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WO2008038492A1 - PROCÉDÉ DE FONCTIONNEMENT ET APPAREIL DE COMMANDE DE FONCTIONNEMENT POUR UN FOUR à FUSION DE GAZÉIFICATION - Google Patents

PROCÉDÉ DE FONCTIONNEMENT ET APPAREIL DE COMMANDE DE FONCTIONNEMENT POUR UN FOUR à FUSION DE GAZÉIFICATION Download PDF

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Publication number
WO2008038492A1
WO2008038492A1 PCT/JP2007/067003 JP2007067003W WO2008038492A1 WO 2008038492 A1 WO2008038492 A1 WO 2008038492A1 JP 2007067003 W JP2007067003 W JP 2007067003W WO 2008038492 A1 WO2008038492 A1 WO 2008038492A1
Authority
WO
WIPO (PCT)
Prior art keywords
melting furnace
waste
gasification
basicity
furnace
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2007/067003
Other languages
English (en)
Japanese (ja)
Inventor
Hiroyuki Hosoda
Koji Minakawa
Tadashi Ito
Hiroo Nikaido
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shinko Pantec Co Ltd
Original Assignee
Kobelco Eco Solutions Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2007050892A external-priority patent/JP2008215665A/ja
Priority claimed from JP2007141664A external-priority patent/JP4966743B2/ja
Application filed by Kobelco Eco Solutions Co Ltd filed Critical Kobelco Eco Solutions Co Ltd
Priority to EP07806476.3A priority Critical patent/EP2068081B1/fr
Priority to PL07806476T priority patent/PL2068081T3/pl
Priority to KR1020097007726A priority patent/KR101107787B1/ko
Priority to ES07806476.3T priority patent/ES2461769T3/es
Priority to KR1020117006198A priority patent/KR20110048557A/ko
Publication of WO2008038492A1 publication Critical patent/WO2008038492A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/006—General arrangement of incineration plant, e.g. flow sheets
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/02—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
    • F23G5/027—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment pyrolising or gasifying stage
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/02—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
    • F23G5/027—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment pyrolising or gasifying stage
    • F23G5/0276—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment pyrolising or gasifying stage using direct heating
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/50—Control or safety arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2202/00—Combustion
    • F23G2202/20—Combustion to temperatures melting waste
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2203/00—Furnace arrangements
    • F23G2203/30—Cyclonic combustion furnace
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2203/00—Furnace arrangements
    • F23G2203/40—Stationary bed furnace
    • F23G2203/403—Stationary bed furnace with substantial cylindrical combustion chamber
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2204/00—Supplementary heating arrangements
    • F23G2204/10—Supplementary heating arrangements using auxiliary fuel
    • F23G2204/103—Supplementary heating arrangements using auxiliary fuel gaseous or liquid fuel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2207/00—Control
    • F23G2207/60—Additives supply
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2900/00—Special features of, or arrangements for incinerators
    • F23G2900/55—Controlling; Monitoring or measuring
    • F23G2900/55011—Detecting the properties of waste to be incinerated, e.g. heating value, density
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J2700/00—Ash removal, handling and treatment means; Ash and slag handling in pulverulent fuel furnaces; Ash removal means for incinerators
    • F23J2700/001—Ash removal, handling and treatment means

Definitions

  • the present invention relates to an operation method and operation control device for a gasification melting furnace for treating waste such as municipal waste and industrial waste, and also relates to slag discharged from the gasification melting furnace.
  • the present invention relates to a method and an apparatus for adjusting basicity.
  • a fluidized bed gasification melting furnace as described in Patent Document 1 is known as a means for treating waste.
  • This fluidized bed type gasification and melting furnace includes a fluidized bed type gasification furnace in which a fluidized bed is formed by the fluidized gas and a subsequent stage melting furnace.
  • the fluidized bed gasifier partially burns the waste introduced into the fluidized bed to generate pyrolysis gas.
  • the melting furnace further burns the pyrolysis gas generated by the fluidized bed gasification furnace to melt ash in the gas to generate slag.
  • an auxiliary burner is installed to maintain the furnace temperature.
  • the temperature in the melting furnace if the temperature in the melting furnace has reached about 1300 ° C, the temperature in the furnace will remain for a while due to self-combustion of unburned components even if the operation of the auxiliary burner is stopped in that state. Kept at high temperature. Therefore, fuel savings and environmental issues (especially CO emissions)
  • the slag is stably discharged from the slag discharge port. In order to keep the bag, it is important to maintain its fluidity. If the slag fluidity continues to decline, this slag may block the slag outlet and hinder continuous operation.
  • the temperature is higher than the melting point, and there is a significant correlation between the melting point and the basicity of the slag. Specifically, when the basicity of the slag exceeds about 0.7, the melting point of the slag increases with the increase. For example, when the basicity of the slag is 1, the melting point of the slag is 1200 It is known to reach up to ° C.
  • the temperature of the discharged slag tends to be 100 to 150 ° C lower than the furnace temperature of the melting furnace, after all, the temperature in the melting furnace is set to 1350 to stabilize the output of the slag. It must be above ° C. Continuing such high-temperature operation over a long period of time is not only necessary for increasing the amount of external fuel to keep the temperature in the furnace, but also incurring an increase in the environmental burden and increasing the running cost. An increase in repair costs can also result.
  • Patent Document 2 proposes that an actual slag basicity is measured by an analyzer.
  • the method disclosed in this document includes a step of analyzing the composition of slag actually discharged from the furnace using a simple fluorescent X-ray analyzer and the like, and a basicity adjusting agent based on the analysis result. Decide the amount to add
  • this method makes it difficult to determine the reliability of analysis results!
  • an analyzer installed outside the equipment as described above is generally used, and therefore analysis by the analyzer must be performed periodically at relatively long intervals. It is difficult to determine whether the analysis results obtained in such a low frequency are worthy of adoption, or whether they should be excluded as specific values that occur suddenly. If you make this mistake, you will not be able to determine the correct amount of basicity adjuster! /.
  • Patent Document 1 Japanese Unexamined Patent Publication No. 2006-29678
  • Patent Document 2 Japanese Patent Laid-Open No. 2001-182924
  • the first invention of this application is to reliably resume good combustion at the time of re-ignition of the burner while performing a highly efficient operation by appropriately stopping the burner of the gasification melting furnace.
  • the purpose is to provide the technology to make this possible.
  • the second invention of this application is to easily perform appropriate basicity adjustment without requiring a special analyzer for analyzing the slag composition when operating the gasification melting furnace.
  • the purpose is to provide technology that makes it possible.
  • the present inventors have repeatedly studied the basicity adjustment described above, and as a result, the calorific value per unit weight of the waste to be input to the gasification melting furnace and the gasification melting It was found that there is a significant correlation between the basicity of slag discharged from the furnace! The use of such correlation makes it possible to quickly and accurately grasp the basicity of actual slag without using a special analyzer.
  • the waste to be charged is thermally decomposed, the ash in the pyrolysis gas generated by the thermal decomposition is melted, and the slag generated by the melting is discharged out of the furnace.
  • a method for adjusting the basicity of the slag is provided. The method includes a step of supplying a basicity adjusting agent for adjusting the basicity of the slag discharged from the slag discharge loca to a position upstream of the slag discharge port, and the gasification melting furnace per unit time.
  • a step of detecting the weight of the waste to be introduced into the gas, a step of detecting a parameter corresponding to the calorific value per unit weight of the waste, and a gas generated in the gasification and melting furnace based on the detected value of the parameter A step of calculating an expected value of basicity of slag, and supply of the basicity adjuster in a direction to bring the basicity of the slag closer to a preset target value of basicity based on the calculated predicted value of basicity Adjusting the amount.
  • the use of the correlation between the parameter corresponding to the calorific value per unit weight of the waste and the basicity of the actual slag can be realized without performing a complicated analysis of the slag composition. It makes it possible to obtain the expected value of basicity of slag. That is, it is possible to calculate the expected value of the basicity based on the detected value of the parameter and the correlation. Based on the expected basicity of the slag, an appropriate amount of basicity adjusting agent is determined.
  • This method is an apparatus for adjusting the basicity of a slag, the slag outlet
  • a basicity adjusting agent supplying means for supplying a basicity adjusting agent for adjusting the basicity of the slag discharged to a position upstream of the slag outlet, and the gasification melting furnace per unit time
  • a waste input amount detecting means for detecting the weight of the waste to be input to the apparatus, a parameter detecting means for detecting a parameter corresponding to the calorific value per unit weight of the waste, and the parameter based on the detected value of the parameter.
  • the basicity expected value calculation means for calculating the basic value of the slag generated in the gasification melting furnace, and based on the predicted basicity value, the basicity is set to a preset basicity target value. This is realized by an apparatus provided with basicity adjusting agent supply amount adjusting means for adjusting the supply amount of the basicity adjusting agent in the approaching direction.
  • FIG. 1 is an overall configuration diagram of a waste treatment facility equipped with a gasification melting furnace according to an embodiment of the first invention of this application.
  • FIG. 2 is a cross-sectional view showing the structure of the gasification melting furnace.
  • FIG. 3 is a cross-sectional view showing an arrangement example of thermometers in the gasification melting furnace.
  • FIG. 4 is a flowchart showing an example of control for determining the timing of re-ignition of the PANA based on the gas oxygen concentration, which is the operation control of the gasification melting furnace.
  • FIG. 5 is a flowchart showing an example of control for determining the timing of re-ignition of the burner based on the top temperature of the gasification melting furnace.
  • FIG. 6 is a diagram showing an example of equipment for performing control for determining the timing of re-ignition of the PANA based on the integrated value of the air supply amount, which is operation control of the gasification melting furnace.
  • FIG. 7 is a flowchart showing an example of control for determining the timing of re-ignition of the burner based on the integrated value of the air supply amount, which is the operation control of the gasification melting furnace.
  • FIG. 8 is a diagram showing an overall configuration of a waste treatment facility according to an embodiment of the second invention of this application.
  • FIG. 9 is a graph showing an example of annual changes in waste heat generation and basicity of slag.
  • FIG. 10 is a graph showing an example of a correlation between waste heat generation and basicity of slag.
  • FIG. 11 is a graph showing an example of setting the basicity regulator supply amount based on the expected basicity of slag.
  • FIG. 1 shows an example of a waste treatment facility equipped with a fluidized bed gasification melting furnace.
  • the present invention can be widely applied to the operation of a gasification melting furnace including a gasification furnace and a melting furnace.
  • the overall configuration of the waste treatment facility where the gasification melting furnace is introduced is not particularly limited.
  • waste as waste is temporarily stored in the waste pit 1 and is put into a hopper 2a of a dust feeder 2 which is a waste feed machine by a turret (not shown).
  • a dust feeder 2 quantitatively supplies the waste to a fluidized bed gasifier 3.
  • the gasification furnace 3 for example, partial combustion is performed under the condition of an air ratio of 0.2 to 0.4, and thermal decomposition is performed in which the temperature of a fluidized bed composed of a sand layer or the like is maintained at 450 ° C to 650 ° C. That is, one-seven fire combustion is performed.
  • Non-combustible material out of the waste thrown in by the dust feeder 2 is extracted from the bottom of the hearth, screw conveyor 5 and vibrating sieve! /, 6 and not shown! /, Through a magnetic separator, non-combustible material, non-ferrous metal , Iron and fluidized sand are separated, and the fluidized sand is returned to the sand layer of the gasifier 3 and reused.
  • the pyrolysis gas generated in the gasification furnace 3 is guided to the melting furnace 4 and further combusted in the melting furnace 4 under the condition of a total air ratio of 1.3, for example.
  • high temperature combustion of about 1300 ° C is performed while a swirling flow is formed.
  • the heat generated by this high-temperature combustion melts the ash in the pyrolysis gas, separates it from the pyrolysis gas as slag, and decomposes harmful substances in the gas such as dioxin.
  • the molten slag is extracted from the bottom of the melting furnace 4 and is carried out by a slag carry-out device 7 including a conveyor, etc., and cooled and collected by a slag cooler 8 below the molten slag.
  • the melting furnace exhaust gas discharged from the swirling flow melting furnace 4 passes through the air heater 9 and the waste heat boiler 10, and the heat in the gas is recovered here.
  • the exhaust gas after the heat recovery is further cooled by the gas cooler 11 and removed by the bag filter 12.
  • the exhaust gas thus purified passes through the induction fan 13, passes through the denitration device 14, and is discharged from the chimney 15.
  • FIG. 2 shows the details of the structure of the gasification melting furnace constituted by the gasification furnace 3 and the melting furnace 4.
  • a dispersion plate 20 having a large number of gas injection ports 22 is provided at the bottom of the gasification furnace 3, and an air box 24 is formed below the dispersion plate 20.
  • fluidized gas is jetted upward from the wind box 24 through the gas injection port 22 of the dispersion plate 20, thereby forming a fluidized bed 26 made of sand particles above the distribution plate 20.
  • an incombustible outlet 28 is provided in the center of the dispersion plate 20. Incombustible material is extracted from the incombustible material outlet 28 and guided to the screw conveyor 5 and the vibrating screen 6.
  • a waste input port 30 connected to the dust feeder 2 is provided, and the same path in the path connecting the waste input port 30 and the dust feeder 2 is provided.
  • a damper 32 is provided to open and close the door!
  • a gasifier temperature raising pan 34 is provided at a height substantially equal to the waste inlet 30. Further above that, a freeboard 36 for secondary combustion is formed, and a pyrolysis gas outlet 38 is provided at the top of the furnace.
  • the pyrolysis gas discharged from the pyrolysis gas outlet 38 is supplied to the upper part of the swirling melting furnace 4.
  • an auxiliary combustion burner 40 is provided downward, and a pyrolysis gas inlet 42 is provided immediately below it.
  • the opening 42 is connected to the thermal decomposition gas outlet 38 of the gasification furnace 3 through a duct 44 which is a pyrolysis gas passage.
  • the panner 40 is used for raising the temperature and maintaining the temperature of the melting furnace 4 (for example, ensuring a temperature state of 1300 ° C. or higher). The operation of this PANA 40 will be described in detail later.
  • a slag outlet 43 is provided at the bottom of the melting furnace 4, and the slag unloading device 7 is connected to the slag outlet 43.
  • the duct 44 is provided with an oxygen concentration meter 45.
  • the oxygen concentration meter 45 detects the concentration of oxygen in the gas flowing in the duct 44, that is, in the gas sent from the gasification furnace 3 to the melting furnace 4.
  • a thermometer 46 for detecting the temperature inside the furnace is provided in the vicinity of the PANANER 40 (in this embodiment, in the vicinity of the top of the swivel melting furnace 4). Being! /
  • the oxygen concentration meter 45 is preferably one having excellent durability. Specifically, for example, a zirconia oximeter is suitable.
  • the thermometer 46 has excellent durability and detection accuracy in a high temperature range. Specifically, a radiation thermometer (especially an infrared radiation thermometer) is suitable.
  • the thermometer 46 is preferably disposed at a position where it can be monitored as stably as possible. For example, if a melting furnace combustion air supply nozzle 48 as shown in FIG. 3 is provided in the vicinity of the pyrolysis gas inlet 42 of the melting furnace 4, the thermometer 46 is connected to the nozzle 48 as shown in the figure. It is preferable to be provided at a position where the inside of the furnace top of the melting furnace 4 can be monitored through the nozzle 48 from the upstream position.
  • thermometer 46 is such that the detection window of the thermometer 46 is blocked by ash or the like in the melting furnace 4 by using the flow of combustion air from the nozzle 48 into the melting furnace 4. It is possible to effectively prevent this from occurring, thereby enabling stable temperature monitoring.
  • thermometer 46 The position where the thermometer 46 is provided can be appropriately set within a region in the vicinity of the panner 40. Specifically, it can be appropriately set within a range close to the burner 40 to such an extent that unburned gas can be burned by ignition of the burner 40.
  • the gasification melting furnace is equipped with a control system 50 as shown in FIG. 2, and the control system 50 receives output signals (detection signals) from the oxygen concentration meter 45 and the thermometer 46. Each is entered.
  • the control system 50 is configured by a computer or the like, and has a panner control unit 52 and a dust supply control unit 54 as its functions.
  • the PANA control unit 52 outputs a command signal for causing the PANANER 40 to stop operation and re-ignite.
  • the dust supply control unit 54 outputs a command signal for causing the dust feeder 2 to be stopped and restarted.
  • step S 1 the dust feeder 2 is driven and the burner 40 of the melting furnace 4 is ignited.
  • the dust feeder 2 feeds waste such as municipal waste into the furnace 3 from the waste inlet 30 of the gasifier 3. This waste is burned for seven times in the fluidized bed 26 in the furnace 3, thereby generating pyrolysis gas.
  • This pyrolysis gas is sent from the pyrolysis gas outlet 38 at the top of the furnace through the duct 44 to the pyrolysis gas inlet 42 of the melting furnace 4, and is introduced into the upper part of the furnace 4 from this inlet 42.
  • the combustible component in the pyrolysis gas burns at a higher temperature, and the heat generated by this combustion is the gas. Melt the ash content in the slag. This slag adheres to the furnace wall and then flows down to the slag outlet 43 at the bottom of the furnace and is led out of the furnace.
  • the furnace top temperature of the melting furnace 4 is maintained at a high temperature by the ignition of the PANA 40. However, if the top temperature of the furnace reaches about 1300 ° C, the furnace temperature can be kept high for a while by self-combustion of unburned components even if the operation of the auxiliary burner is stopped in that state. . Therefore, from the viewpoint of fuel saving and environmental problems (especially C02 emission control), it is desirable to stop the operation of the burner appropriately.
  • control system 50 outputs a panner stop command signal for stopping the operation of the parner 40 when the current operating state matches the preset parner stop condition (step S2). (Step S3).
  • thermometer 46 The state where the furnace top temperature detected by the thermometer 46 is equal to or higher than a preset Pana shutdown temperature (eg, 1100 ° C) is maintained for a predetermined time (eg, 30 minutes) or longer.
  • the determination of the “top temperature” may be performed by confirming an instantaneous value at an appropriate sampling period, or the moving average value of the top temperature within an appropriate time (for example, the predetermined time). May be performed on the basis of When the condition of 1) is set, there is an advantage that the thermometer 46 for confirming the satisfaction of the condition can also be used as a means for timing the stoppage of dust supply and timing for re-igniting the burner, which will be described later. is there.
  • the moving average value of the lower heating value of waste is not less than a preset heating value (for example, 2000 kcal / kg).
  • the “low heat generation amount” of the waste here means the amount of heat held by the dust that is put into the gasification furnace 3 by the dust feeder 2 per unit time, and corresponds to the heat amount of waste. .
  • the amount of heat retained by the dust can be calculated from the heat balance of the waste disposal facility as disclosed in, for example, Japanese Patent Application Laid-Open No. 2004-37049, and is generally located at a position downstream of the bag filter 12. It is calculated based on the exhaust gas flow rate Fe (Nm3 / h) detected by the exhaust gas flow meter installed in the exhaust gas and the exhaust gas temperature Te (° C) detected by the exhaust gas thermometer installed at the same position. It can be considered that it is equal to the exhaust gas heat output Q. Specifically, this exclusion
  • the heat Q (kcal / h) from the gas is expressed by the following equation, where the specific heat of the exhaust gas is cE.
  • the amount of heat brought in by other media for example, air, water, and auxiliary fuel of the PANA 40
  • the amount of heat is preferably added to the calculation of the calorific value. This point is as described in the publication.
  • Pana stop condition either one of the above 1) and 2) may be employed, or both may be employed. That is, the operation of the PANANER 40 may be stopped when at least one of the conditions 1) and 2) is satisfied, or the operation of the PANANER 40 is stopped only when both are satisfied. May be.
  • the Pana stop command signal output in step S3 may be used as it is as a control signal or may be used as a notification signal to the operator.
  • the automatic stop control of the parner 40 can be realized by inputting the paran stop command signal to the actuator of the parner 40.
  • the operator is notified of an appropriate PANA stop timing, and the operator performs the PANA stop timing.
  • the operation of 40 is stopped at an appropriate timing while being manual.
  • the parner 40 may be re-ignited at an appropriate timing. However, if the furnace top temperature falls below the self-ignition ignition temperature of the unburned gas for some reason after the operation of the Pana 40 is stopped, if the PANANER 40 is re-ignited at a temperature below the self-burning ignition temperature, the unburned gas Depending on the concentration, re-ignition of the PANA 40 may cause an explosion.
  • the furnace top temperature detected by the thermometer 46 has dropped to a preset waste charging stop temperature (900 ° C in this embodiment).
  • a dust supply stop command signal for stopping the dust supply by the dust feeder 2 is output (step S5).
  • this dust supply stop command signal can function as a signal for automatically stopping the dust supply by the dust feeder 2 if it is directly input to the drive unit of the dust feeder 2, for example. S can and again If an operation panel or the like is input so as to light its display unit, it can function as a signal that conveys an appropriate supply stop timing to the operator.
  • a dust supply stop command signal may be output immediately at the moment when the furnace top temperature falls to the waste charging stop temperature.
  • the dust supply stop command signal is output when the above operation continues (for example, 2 to 20 seconds).
  • the stoppage of the dust supply as described above increases the concentration of oxygen in the gas discharged from the gasification furnace 3 and sent to the melting furnace 4, and safely reignites the burner 40 in the melting furnace 4.
  • the control system 50 monitors the oxygen concentration in the gas detected by the oximeter 45, and the oxygen concentration of the gas is set in advance to the Pana reignition concentration (burner reignition concentration; this embodiment).
  • a burner re-ignition command signal (Pana re-ignition command signal) is output (step S8).
  • the control system 50 has a predetermined temperature higher than the Pana reignition temperature due to a rise in the furnace top temperature for some reason.
  • the temperature reaches (950 ° C in this embodiment) (YES in step S7), the above-mentioned Pana re-ignition command signal is output.
  • This signal may also be input to the actuator of the PANANER 40 as it is to the PANANER STOP signal and cause the PANANER 40 to be automatically re-ignited, or may be input to the operation panel to allow the operator to properly re-ignite the burner. It may even be a timing display.
  • control system 50 confirms that the dust feeder 2 can be started (YES in step S9), and then outputs a restart command signal to the dust feeder 2 to turn off the dust feeder 2. Reboot (Step S10). This restart may also be performed manually by the operator.
  • FIG. 5 shows another example of operation for ensuring such high safety.
  • the operation up to the PANANER stop command signal output (step S3) is the previous operation. It is equivalent to that shown in Fig. 4.
  • the control system 50 when the furnace top temperature falls to the preset Pana re-ignition temperature (1000 ° C in this embodiment) (YES in Step S11), A signal is output (step S12).
  • the Pana re-ignition temperature reliably prevents the occurrence of abnormal combustion of unburned gas due to the re-ignition when PANA 40 is re-ignited at that temperature, thereby ensuring high safety.
  • the temperature is set to a high level. In general, if the self-ignition temperature of the unburned gas (for example, about 680 ° C in the case of natural gas) is multiplied by a sufficient safety factor and a temperature that has been confirmed to be safe by testing, etc. is adopted. Good.
  • Such operation also prevents excessive cooling in the melting furnace 4 in advance by reigniting the PANANER 40 before the furnace top temperature drops so much after the PANA 40 operation is stopped. In addition to this, it is possible to ensure high safety when re-igniting the PANA.
  • the fail-safe operation is performed when the burner re-ignition command signal is output in step S12 but the operation of the burner 40 is not stopped or the output of the signal itself is disabled. Therefore, the operation shown in FIG. 4 above, that is, the operation of stopping the supply and increasing the oxygen concentration of the gasifier outlet gas may be performed together.
  • the operation control shown in Fig. 4 is a force that determines the timing of re-ignition of the burner based on the gas oxygen concentration after stopping the supply of fuel, as a parameter that directly affects the gas oxygen concentration.
  • the integrated value of the amount of air supplied to the upstream side of the melting furnace 4 after the dust is stopped may be monitored, and the timing of re-ignition of the burner may be determined based on this integrated value. An example of this will be described with reference to FIGS.
  • the facility shown in FIG. 6 includes a blower 60 and a flow meter 62.
  • the blower 60 is for supplying air to the fluidized bed gasification furnace 3, and this air is supplied as fluidized gas into the wind box 24 of the gasification furnace 3, and Is supplied as purge air into the freeboard 36.
  • a pyrolysis gas outlet 38 is provided at the top of the furnace.
  • the flow meter 62 is provided on the outlet side of the blower 60, detects the flow rate of air supplied from the blower 60 to the gasification furnace 3, and outputs a detection signal for the flow rate. This detection signal is input to the control system 50.
  • the control operation of this control system 50 is shown in FIG. In FIG.
  • step S7 the operations (steps S1 to S5) until the dust supply stop command signal is output are the same as the operations performed in the control shown in FIG.
  • the PANA controller 52 integrates the amount of air supplied to the gasifier 3 from the time when the dust supply stops based on the detection signal (step When the integrated value reaches a preset constant value (YES in step S6B), a Pana re-ignition command signal is output (step S8).
  • This control is also performed by supplying air from the blower 60 after the operation of the parner 40 is stopped.
  • the air to be integrated includes all air that is supplied to the upstream side of the melting furnace 4 and can contribute to the increase in the oxygen concentration in the melting furnace 4. Therefore, this air is not limited to that supplied into the gasification furnace 3.
  • this purge gas is supplied to a duct 44 provided between the gasification furnace 3 and the melting furnace 4, this purge gas is also included in the accumulation target.
  • a gasification furnace for gasifying waste to be input and a pyrolysis gas generated in the gasification furnace are introduced and introduced.
  • Method for operating a gasification melting furnace comprising a melting furnace that burns combustible components in the pyrolysis gas and melts ash in the gas, and an auxiliary burner provided in the melting furnace I will provide a.
  • the operation of stopping the operation of the gas generator when the operation state of the gasification melting furnace satisfies a specific condition of stopping the furnace, and the melting furnace in the vicinity of the burner after the operation of the heater is stopped.
  • the position where the "temperature in the melting furnace near the burner” is detected is in the vicinity of the burner and in a region where unburned gas can be burned by reignition of the burner. It is possible to set appropriately.
  • the melting furnace temperature in the vicinity of the burner falls to a preset waste charging stop temperature (for example, self-combustion of unburned gas).
  • a preset waste charging stop temperature for example, self-combustion of unburned gas.
  • the temperature in the melting furnace in the vicinity of the burner is a preset temperature that is higher than the waste charging stop temperature (for example, unburned gas
  • the waste charging stop temperature for example, unburned gas
  • this operation method after the operation of stopping the operation of the burner is performed when the operation state of the gasification melting furnace satisfies a specific condition of stopping the partner, the inside of the melting furnace in the vicinity of the burner is performed.
  • An operation may be performed to re-ignite the PANA when the temperature drops to a preset PANA re-ignition temperature.
  • This method also makes it possible to prevent the re-ignition of the PANA in an excessively low temperature range (for example, a temperature range in which self-ignition of unburned gas is difficult) and to ensure good combustion. .
  • the Pana stop condition can be set as appropriate. However, if the condition for stopping the panner is such that the temperature in the melting furnace in the vicinity of the panner or the moving average value thereof is equal to or higher than the preset temperature at which the panner is stopped, the disposal is performed. Stuffing In order to determine the timing of stopping or the timing of reignition of the burner, it is possible to determine the burner stop condition by using the means for detecting the temperature.
  • a waste input device for inputting the waste into the gasification furnace, and a temperature in the melting furnace in the vicinity of the panner are detected.
  • the gasification melting furnace based on the detection results of the thermometer and the oxygen concentration meter, and the oxygen concentration meter for detecting the oxygen concentration in the gas sent from the gasification furnace to the melting furnace.
  • a control system for controlling operation includes a panner control unit that outputs a panner stop command signal for stopping the operation of the panner when the operation state of the gasification melting furnace satisfies a specific panner stop condition, and the operation of the panner is stopped.
  • the waste input for stopping the input of the waste into the gasifier by the waste input machine is performed.
  • a waste input control unit that outputs a stop command signal, and the panner control unit has an oxygen concentration detected by the oximeter after the waste input by the waste input device is stopped.
  • a PANA re-ignition command signal is output to re-ignite the PANA.
  • the burner control unit is configured such that the temperature in the melting furnace in the vicinity of the panner detected by the thermometer is a preset temperature, and the waste When the temperature rises to a temperature higher than the charging stop temperature, the Pana reignition signal may be output regardless of the oxygen concentration.
  • a waste input device that inputs the waste into the gasification furnace, and a temperature that detects a temperature in the melting furnace in the vicinity of the panner
  • a control system for controlling the operation of the burner based on the detection result of the thermometer, and this control system stops the operation of the gasification melting furnace with a specific
  • a Pana stop signal for stopping the operation of the PANA is output.
  • the temperature is reduced to a preset re-ignition temperature by the thermometer.
  • One that outputs a Pana reignition signal to resume PANA operation is provided.
  • the condition for stopping the panner is that the temperature detected by the thermometer or its moving average value is equal to or higher than the preset panner stop temperature for a predetermined time. It is preferable that the condition is included! /.
  • a panner stop for stopping the operation of the panner when an operation state of the gasification melting furnace satisfies a specific condition for stopping the partner
  • a waste input control unit that outputs a waste input stop command signal for stopping the input of the waste into the gasifier, and the panner control unit includes the waste input by the waste input device.
  • the amount of air detected by the air amount detecting means is integrated from the time when the introduction of the article is stopped, and when the integrated value reaches a predetermined constant value, the operation of the panner is resumed.
  • An apparatus for outputting a banner re-ignition signal is provided.
  • the operation control device described above is generated by a gasification furnace for gasifying the input waste, a waste input machine for inputting the waste into the gasification furnace, and the gasification furnace.
  • An excellent pyrolysis gas is introduced together with a melting furnace that burns combustible components in the introduced pyrolysis gas and melts ash in the gas, and a combustion burner installed in the melting furnace.
  • a gasification melting furnace can be constituted.
  • FIG. 8 shows a waste treatment facility including a gasification melting furnace to which the second invention is applied.
  • This facility includes a gasification melting furnace 110, a waste supply unit 112 for supplying waste as waste to the gasification melting furnace 110, and a gas for treating the gas discharged from the gasification melting furnace 110.
  • a gas processing unit 114 The gas processing unit 114.
  • the waste supply unit 112 includes a waste pit 116, a waste transport device 118, and a dust feeder 120.
  • the garbage pit 116 receives the garbage which is a treatment target to which external equipment force is also carried, and temporarily stores it.
  • the waste transport device 118 includes a crane, and grips the dust in the waste pit 116 and transports it to the dust feeder 120.
  • the dust feeder 120 has a hopper 122 2, and the hopper 122 accepts the waste introduced from the waste transport device 118. This input amount corresponds to the amount of waste input into the gasification melting furnace 110.
  • the feeder 120 has a built-in screw conveyor for conveying garbage, and supplies the garbage charged into the hopper 122 to the gasification melting furnace 110.
  • the gasification melting furnace 110 includes a gasification furnace 124 and a melting furnace 126.
  • the gasification furnace 124 pyrolyzes the waste supplied from the dust feeder 120, thereby generating pyrolysis gas.
  • this gasification furnace 124 for example, a well-known fluidized bed furnace or kiln furnace can be applied as it is.
  • the melting furnace 126 burns combustible components in the pyrolysis gas at a high temperature and melts ash in the gas to generate slag. This slag adheres to the furnace wall of the melting furnace 126, for example.
  • a slag discharge port 128 is provided at the bottom of the melting furnace 126.
  • the slag discharge port 128 is for discharging the slag adhering to the furnace wall and flowing down to the outside of the furnace. Further, in this melting furnace 126, auxiliary fuel is burned by a burner (not shown) as necessary to adjust the temperature in the furnace.
  • the gas processing unit 114 includes a waste heat boiler 130, a temperature reducing tower 132, a dust collector 134, an induction fan 136, and a chimney 138.
  • the waste heat boiler 130 is for recovering heat from the high-temperature exhaust gas emitted from the melting furnace 126. Specifically, the waste heat boiler 130 generates steam using the heat held by the exhaust gas. , It will be discharged.
  • the flow rate of the discharged steam that is, the amount of steam generated per unit time in the waste heat boiler 130 is a parameter corresponding to the amount of heat generated by the waste introduced into the gasification melting furnace 110 per unit time. It becomes.
  • the temperature reducing tower 132 includes a tower main body into which the gas discharged from the waste heat boiler 130 is introduced.
  • a spraying device for spraying cooling water into the tower body, a temperature sensor for detecting the gas temperature at the outlet of the tower body, and the spraying device for keeping the outlet gas temperature detected by the temperature sensor constant.
  • a controller for adjusting the cooling water supply flow rate.
  • the dust collector 134 captures dust and the like in the gas discharged from the temperature reducing tower 132.
  • the gas removed by the dust collector 134 is discharged from the chimney 138 through the induction fan 136.
  • the equipment includes a basicity adjusting device 140.
  • the basicity adjusting device 140 is for adjusting the basicity of the slag discharged from the slag discharge port 128 of the melting furnace 126.
  • the basicity adjusting agent supply device 142, the steam flow meter 144, An input amount output unit 146 and a controller 150 are provided.
  • the basicity adjusting agent supply device 142 is for supplying the basicity adjusting agent into the garbage put into the gasification furnace 124, and is a screw conveyor 147 serving as a conveying means for supplying the basicity adjusting agent. And a motor 148 for rotating the screw conveyor 147.
  • the above basicity adjusting agent is appropriately selected. In this embodiment, it is assumed only when the basicity of the discharged slag is excessively high, and therefore, the basicity adjusting agent is selected from dredged sand (SiO 2) for reducing the basicity of the slag. ! /
  • the steam flow meter 144 measures the exhaust steam flow rate of the waste heat boiler 130, that is, the amount of steam generated per unit time in the waste heat boiler 130.
  • the waste input amount output unit 146 outputs an information signal about the weight of waste input into the gasifier 124 per unit time. Specifically, the waste input amount output unit 146 is attached to the waste transport device 118, calculates a waste transport amount from the weight load applied to the waste transport device 118 and the number of times of transport, and calculates the waste transport amount. This information is provided to the controller 150 as information corresponding to the amount of waste input to the plant.
  • the controller 150 is constituted by a microcomputer or the like, and has a function of performing overall control of the entire facility.
  • the functions for adjusting the basicity of the slag include a basicity expected value calculation unit 152 and a basicity adjusting agent supply amount adjustment unit 154.
  • the basicity expected value calculation unit 152 outputs an information signal about the weight of the waste to be input into the gasifier 124 per unit time, which is output from the waste input amount output unit 146. Based on the steam flow rate measured by the steam flow meter 144, a predicted value of the basicity of the slag discharged from the slag discharge port 128 is calculated. The calculation of the predicted value is based on the step of calculating the heat generation amount of the waste per unit weight based on the input amount of the waste per unit time and the exhaust steam flow rate, and the generation amount of the waste per unit weight. And calculating a predicted value of the basicity.
  • the predicted basicity value calculation unit 152 stores the correlation, and calculates the predicted basicity value based on the relationship and the steam flow rate actually measured by the steam flow meter 144.
  • the average value of the indicated value of the steam flow meter 144 within a specific period is adopted as the value of the exhaust steam flow rate that is the basis for calculating the basicity expected value.
  • the specific period can be set appropriately, and generally 6 to 24 hours is preferable.
  • the basicity adjuster supply amount adjusting unit 154 receives the predicted value of the basicity of the slag calculated by the basicity expected value calculation unit 152 and the garbage input from the waste input amount output unit 146. Based on the information signal about the input amount, the supply amount of the basicity adjusting agent for bringing the basicity close to a preset target value (for example, 0.5) is determined. Then, a control signal is output to the motor 148 of the basicity adjusting agent supply device 142 to control the driving speed so that the determined supply amount can be obtained.
  • a preset target value for example, 0.5
  • waste heat boiler 130 parameters for the amount of generated waste heat (herein, waste heat boiler 130) closely related to the basicity.
  • the predicted basicity value is calculated based on the detected value of the parameter and the relationship. This means that the actual slag basicity Unlike conventional methods in which operation is carried out while actually measuring, the amount of basicity adjusting agent to be supplied can be determined appropriately and quickly with a simple configuration using existing equipment.
  • a cooling water supply flow rate in the temperature-decreasing tower 132 can be selected as a parameter for the waste heat generation amount.
  • the temperature-decreasing tower 132 includes a temperature sensor that detects the gas temperature at the outlet of the tower body, and cooling water generated by the spray device so as to keep the outlet gas temperature detected by the temperature sensor constant. And a controller for adjusting the supply flow rate, the supply flow rate of the cooling water corresponds to the amount of heat generated by the waste introduced into the gasification melting furnace 110 per unit time.
  • the supply position of the basicity adjusting agent is not limited to the inlet side of the gasification furnace 124.
  • This supply position can be arbitrarily set within a region upstream of the slag discharge port 128.
  • the position may be set in a region between the gasification furnace 124 and the melting furnace 126, or in the combustion chamber upstream of the slag discharge port 128 in the melting furnace 126. It may be set.
  • Figure 9 shows the annual trends in waste heat per unit weight (kcal / kg) and basicity of slag in a waste treatment facility. This figure clearly shows that the waste heat generation amount and the basicity change close to each other!
  • Fig. 10 is a graph showing the relationship between the waste heat value and the basicity of the slag obtained by actual measurement for two waste treatment facilities (Equipment A and Facility B). As shown in this figure, in both facilities A and B, a predetermined correlation is established between the amount of generated heat and the basicity of the slag. In both facilities A and B, the gasification melting furnace will be charged. The relationship between the amount of generated heat and the basicity is different between facilities A and B, but the correlation is approximated by a linear function in both facilities A and B. Can be done.
  • the calculation unit 52 is based on a parameter corresponding to the waste heat generation amount (for example, the exhaust steam flow rate of the waste heat boiler 30). It is possible to quickly calculate the expected basic value of slag.
  • the relationship between the expected basicity of the slag and the supply amount of the basicity adjusting agent can be set in advance theoretically or based on simulation. For example, if only adjustment to lower the basicity of slag is assumed, the supply amount of basicity adjusting agent (for example, silica sand) for that purpose (the supply amount corresponding to the input amount of waste per unit time) and the basicity expected value The relationship shown in Fig. 11 should be set. According to this setting, when the basicity prediction value exceeds the target value (for example, 0.5), an amount of basicity adjusting agent corresponding to the excess is supplied.
  • the target value for example, 0.5
  • the second invention of this application is to pyrolyze the waste to be charged, melt the ash in the pyrolysis gas generated by the thermal decomposition, and slag generated by the melting.
  • a method for adjusting the basicity of the slag is provided in operating a gasification melting furnace having a slag discharge port for discharging the slag out of the furnace.
  • the basicity adjusting method includes a step of supplying a basicity adjusting agent for adjusting the basicity of slag discharged from the slag discharge port at a position upstream of the slag discharge port, and per unit time.
  • the basicity of the slag is brought closer to the preset basicity target value. And a step of adjusting the supply amount of the basicity adjusting agent.
  • This basicity adjustment method uses the correlation between the parameter corresponding to the calorific value per unit weight of the waste and the basicity of the actual slag, thereby complicating the slag composition. It is possible to obtain an expected value of the basicity of the actual slag without performing a detailed analysis. In other words, the predicted value of basicity can be calculated based on the detected value of the parameter and the correlation. And based on the expected value of the basicity of the slag, an appropriate addition amount of the basicity adjusting agent is determined.
  • the unit time in the waste heat boiler that generates steam using the heat of the gas discharged from the gasification melting furnace force It is effective to detect the amount of generated steam. This amount of generated steam is easy to detect.
  • the calorific value of waste per unit weight can be accurately calculated. .
  • the parameter and the actual It is effective to include a step of obtaining a relationship with the basicity of the slag by actual measurement, and to calculate the prediction of the basicity of the slag generated in the gasification melting furnace based on this relationship and the detected value of the parameter.
  • an appropriate expected value of the basicity of the slag is quickly calculated based on the relationship between the parameter obtained in advance and the basicity of the actual slag.
  • a basicity adjusting device of a gasification melting furnace for executing such a basicity adjusting method.
  • the apparatus includes a basicity adjusting agent supplying means for supplying a basicity adjusting agent for adjusting the basicity of the slag discharged from the slag discharge outlet to a position upstream of the slag discharge outlet, and per unit time.
  • a waste input amount detecting means for detecting the weight of the waste charged into the gasification melting furnace, a parameter detecting means for detecting a parameter corresponding to a calorific value per unit weight of the waste, and the parameter Based on the detected value, basicity expected value calculation means for calculating the expected value of basicity of the slag generated in the gasification melting furnace, and based on the predicted value of basicity, the basicity is calculated in advance.
  • Basicity adjusting agent supply amount adjusting means for adjusting the supply amount of the basicity adjusting agent in a direction approaching a set target value of the basicity.
  • the parameter detection means of this apparatus for example, it is discharged from the gasification melting furnace. It is preferable to detect the amount of steam generated per unit time in a waste heat boiler that generates steam using the heat of the gas.
  • the basicity expected value calculation means may calculate the waste per unit weight based on the parameter detected by the parameter detection means and the amount of waste input to the gasification melting furnace per unit time. What is necessary is just to calculate the calorific value.
  • the basicity adjusting agent supply amount adjusting means for example, the relationship between the parameter obtained by actual measurement and the basicity of the actual slag is stored, and the stored relationship and the detected value of the parameter It is preferable to determine the supply amount of the basicity adjusting agent based on the above formula.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Gasification And Melting Of Waste (AREA)
  • Incineration Of Waste (AREA)

Abstract

L'invention concerne un procédé de fonctionnement et un appareil de commande de fonctionnement pour un four à fusion de gazéification. [PROBLÈMES] 1. Proposer un fonctionnement à rendement élevé d'un four à fusion de gazéification par l'arrêt d'un brûleur auxiliaire et, en même temps, éviter une combustion anormale d'un gaz non brûlé dans le ré-allumage du brûleur auxiliaire. 2. Faciliter la régulation de la basicité à une valeur correcte sans avoir besoin d'utiliser un analyseur spécial pour une composition de laitier dans le fonctionnement d'un four à fusion de gazéification. [MOYENS POUR RÉSOUDRE LES PROBLÈMES] 1. Dans un four à fusion de gazéification, le fonctionnement d'un brûleur du four à fusion est stoppé lorsque l'état de fonctionnement satisfait une exigence prédéterminée. Ensuite, lorsque la température au voisinage du brûleur est diminuée jusqu'à une température prédéterminée, l'alimentation en déchets à partir d'un dispositif d'alimentation en poussière vers le four de gazéification est stoppée. Ce brûleur est ré-allumé lorsque la concentration en oxygène dans le gaz dans la sortie du four de gazéification est augmentée par arrêt de l'alimentation en déchets du four de gazéification. 2. La basicité du laitier déchargé provenant d'un orifice de décharge de laitier dans un four à fusion est ajustée par la fourniture d'un agent d'ajustement de basicité à partir d'un appareil pour fournir l'agent d'ajustement de basicité. Une corrélation entre un paramètre correspondant à la valeur calorifique des déchets par unité de poids et la basicité de laitier est utilisée pour déterminer la quantité de l'agent d'ajustement de basicité fournie.
PCT/JP2007/067003 2006-09-26 2007-08-31 PROCÉDÉ DE FONCTIONNEMENT ET APPAREIL DE COMMANDE DE FONCTIONNEMENT POUR UN FOUR à FUSION DE GAZÉIFICATION Ceased WO2008038492A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP07806476.3A EP2068081B1 (fr) 2006-09-26 2007-08-31 PROCÉDÉ DE FONCTIONNEMENT ET APPAREIL DE COMMANDE DE FONCTIONNEMENT POUR UN FOUR à FUSION DE GAZÉIFICATION
PL07806476T PL2068081T3 (pl) 2006-09-26 2007-08-31 Sposób działania i urządzenie do kontroli pracy pieca do zgazowania
KR1020097007726A KR101107787B1 (ko) 2006-09-26 2007-08-31 가스화 용해로의 운전방법 및 운전 제어장치
ES07806476.3T ES2461769T3 (es) 2006-09-26 2007-08-31 Método de funcionamiento y aparato de control de funcionamiento para horno de gasificación-fusión
KR1020117006198A KR20110048557A (ko) 2006-09-26 2007-08-31 가스화 용해로의 슬러그 염기도의 조정방법 및 그에 대한 장치

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JP2006260083 2006-09-26
JP2006-260083 2006-09-26
JP2007050892A JP2008215665A (ja) 2007-03-01 2007-03-01 ガス化溶融炉におけるスラグの塩基度の調整方法及び装置
JP2007-050892 2007-03-01
JP2007141664A JP4966743B2 (ja) 2006-09-26 2007-05-29 ガス化溶融炉の運転方法及び運転制御装置
JP2007-141664 2007-05-29

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CN110094725A (zh) * 2019-05-10 2019-08-06 东北电力大学 一种燃煤发电机组超低氮燃烧方法

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FR3009977B1 (fr) * 2013-09-02 2018-07-06 Savoie Dechets Procede de vitrification par gazeification d'une matiere carbonee
JP5826954B1 (ja) * 2015-01-19 2015-12-02 株式会社神鋼環境ソリューション 廃棄物処理システム及びそのシステムにおけるＮＯｘ処理方法
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EP2322855B1 (fr) 2016-04-13
EP2068081A1 (fr) 2009-06-10
KR101107787B1 (ko) 2012-01-20
EP2322855A2 (fr) 2011-05-18
EP2068081B1 (fr) 2014-04-16
EP2322855A3 (fr) 2011-08-31
KR20090057441A (ko) 2009-06-05
PL2068081T3 (pl) 2014-09-30
PL2322855T3 (pl) 2016-09-30
ES2461769T3 (es) 2014-05-21
EP2068081A4 (fr) 2011-05-11

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