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WO1991009142A1 - Systeme de mesure de la consommation de combustible en poudre de charbon pendant l'alimentation dans les tuyeres d'un haut fourneau - Google Patents

Systeme de mesure de la consommation de combustible en poudre de charbon pendant l'alimentation dans les tuyeres d'un haut fourneau Download PDF

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Publication number
WO1991009142A1
WO1991009142A1 PCT/SU1989/000322 SU8900322W WO9109142A1 WO 1991009142 A1 WO1991009142 A1 WO 1991009142A1 SU 8900322 W SU8900322 W SU 8900322W WO 9109142 A1 WO9109142 A1 WO 9109142A1
Authority
WO
WIPO (PCT)
Prior art keywords
люч
между
pressure
fuel
daτchiκ
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/SU1989/000322
Other languages
English (en)
Russian (ru)
Inventor
Oleg Vladimirovich Babak
Vladimir Ivanovich Vasiliev
Viktor Alexandrovich Chernov
Anatoly Ivanovich Ryabenko
Vasily Vasilievich Stepanov
Viktor Nikolaevich Nikiforov
Mikhail Vasilievich Chemikosov
Ivan Grigorievich Gladkikh
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.)
Institut Kibernetiki Imeni Vmglushkova Akademii Nauk Ukrainskoi Ssr
Donetsky Nauchno-Issledovatelsky Institut Chernoi Metallurgii
Original Assignee
Institut Kibernetiki Imeni Vmglushkova Akademii Nauk Ukrainskoi Ssr
Donetsky Nauchno-Issledovatelsky Institut Chernoi Metallurgii
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
Application filed by Institut Kibernetiki Imeni Vmglushkova Akademii Nauk Ukrainskoi Ssr, Donetsky Nauchno-Issledovatelsky Institut Chernoi Metallurgii filed Critical Institut Kibernetiki Imeni Vmglushkova Akademii Nauk Ukrainskoi Ssr
Priority to PCT/SU1989/000322 priority Critical patent/WO1991009142A1/fr
Publication of WO1991009142A1 publication Critical patent/WO1991009142A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B5/00—Making pig-iron in the blast furnace
    • C21B5/001—Injecting additional fuel or reducing agents
    • C21B5/003—Injection of pulverulent coal

Definitions

  • the system is equipped with a primary device - a capacitive 25 sensor, connected to a normal device, and the device is connected to the device.
  • the compact sensor is made in the form of a rotary cutter of a dielectric device, on the outdoor side of the unit is connected to the measuring devices. 0 Installation of a primary converter operating in a disconnected outlet with a flange connection. In order to eliminate the risk of loss of consumption, the consumer must not operate the appliance.
  • the pneumatic model (optionally supplied) is equipped with a pressure regulating device that relieves pressure and pressure.
  • ch ⁇ in ⁇ izv ⁇ ds ⁇ venny ⁇ usl ⁇ - viya ⁇ change ⁇ e ⁇ n ⁇ l ⁇ giches ⁇ i ⁇ ⁇ a ⁇ ame ⁇ v ⁇ n ⁇ li ⁇ uem ⁇ g ⁇ sh ⁇ a ⁇ yleug ⁇ ln ⁇ g ⁇ ⁇ liva n ⁇ si ⁇ nes ⁇ abilny v ⁇ v ⁇ emeni ⁇ a ⁇ a ⁇ e ⁇ , ⁇ chn ⁇ s ⁇ izme ⁇ eniya eg ⁇ ⁇ as ⁇ da ⁇ s ⁇ ae ⁇ sya neud ⁇ vle ⁇ - v ⁇ i ⁇ eln ⁇ y.
  • Both sensors are efficiently executed, as in the above open 25 system, and operate on a capacitive measurement principle.
  • Statistically distributed particles in a hard part of a material cause a change in capacitance when the sensor is cut off.
  • Signals that do not receive signals through the corresponding device and the functional device 30 are used in addition to the device, in this case, the load is lower.
  • the consumer unit is produced before the start of the injection process.
  • the injection process is not taken into account, which significantly reduces the rate of
  • the outlet is - 3 - the buildup of particles of coal fuel, which means that they are used to reduce the concentration. To eliminate this negative effect, the process of blowing the fuel into the furnace and discharging it should be stopped. 5 DISCLOSURE OF THE INVENTION
  • the main task of the invention is to create a system for measuring the fuel consumption, at the same time taking into account the power consumption.
  • sensors that are rated higher than the parameters are correct, so that they are less sensitive to the sensitivity.
  • the same method is also available for use in the fuel injection system. Left - 4 - Indeed, they are not subject to active wear, as this has a place in known systems and before it is removed from the service for maintenance.
  • This functional converter must also be turned off by the first subtracter, and the first by the second subtractor.
  • Such a performance variant makes it possible to increase the accuracy of the flow rate by using an automatic automatic process.
  • the task posed is also solved by the fact that in the system of measuring the consumption of pulverized fuel by blowing it into the dry furnace, it is one from the food
  • the measuring system is optionally equipped with a coal-fired fuel concentration sensor
  • the unit, the control unit for the remote control unit, and with this the sensor for concentrating on the solid fuel circuit, the unit for the operation of the remote control unit is turned off.
  • K ⁇ mu ⁇ a ⁇ zhe ⁇ d- ⁇ lyuchen is ⁇ chni ⁇ ⁇ s ⁇ yann ⁇ g ⁇ nats ⁇ yazheniya and ⁇ y ⁇ shds ⁇ edi- nen K ⁇ e ⁇ v ⁇ mu summa ⁇ u.
  • 7 - a graph of the dependence of the pressure drop in the system of injection of pulverized fuel between the supply of the recirculating fluid and the end of the flow of the fluid resulting in a waste fluid.
  • 8 - a graph of the dependence of the consumption of fuel for the difference in pressure generated by the dust and fuel inlet.
  • the outlet of the functional converter 12 is connected to the output of the sum of 10, in the form of a consumer, the receiver is operated.
  • the output of the total 10 is connected to the device - 7
  • a system with an optional switch and a second switch ⁇ s, 20 includes a voltmeter 27 (as this option-0 is taken for an amg. 2).
  • this system is implemented.
  • izobakennom on ⁇ ig. 5 it contains an additional schema, shows 25 knives in FIG. 3, 36 da ⁇ chi ⁇ pressure vm ⁇ n ⁇ i ⁇ vanny in ⁇ ub ⁇ - ⁇ v ⁇ d 2 ⁇ e ⁇ ed ⁇ i ⁇ aschim ⁇ ez ⁇ vua ⁇ gl I, 37 da ⁇ chzh ⁇ pressure vm ⁇ n ⁇ i ⁇ vanny in ⁇ ntse ⁇ ub ⁇ v ⁇ da 2 y 3 ⁇ u ⁇ m d ⁇ menn ⁇ g ⁇ e- chi 4, two n ⁇ mi ⁇ uyuschi ⁇ us ⁇ ys ⁇ va 38, 39, 40 vychi ⁇ ayuschee us ⁇ ys ⁇ v ⁇ , ⁇ un ⁇ schya ⁇ nalny ⁇ e ⁇ b ⁇ az ⁇ va ⁇ el 41 , in ⁇ 30 the sum of ⁇ 42.
  • the sensors 28 and 37 are connected to the second total of 42, and a different differential method may be used.
  • the output of the 42th aggregate is connected to the third-party device 3 * 6, which is, in its turn, a separate sum of 10.
  • Unprofitable device 41 which may also be _ s .
  • _ ⁇ s ⁇ en Na lyub ⁇ l nelineyn ⁇ m s ⁇ ivlenii, ⁇ ealizuyuschem ⁇ vad ⁇ a ⁇ ichnuyu zavisim ⁇ s ⁇ , ⁇ d ⁇ lyuchen between n ⁇ m ⁇ uyuschim us ⁇ ys ⁇ v ⁇ m s da ⁇ chi ⁇ a 5 ⁇ as ⁇ da ⁇ ans ⁇ i ⁇ uyuscheg ⁇ v ⁇ zdu ⁇ a n vychi ⁇ aschshl us ⁇ ys ⁇ v ⁇ m 40. 5 By ⁇ d vychi ⁇ ayuscheg ⁇ us ⁇ ys ⁇ va 40 ⁇ ds ⁇ ed ⁇ shen ⁇ v ⁇ du ⁇ e ⁇ v ⁇ g ⁇ summa ⁇ a 10.
  • the unit 44 is connected, which, for example, is free of charge, such as zero voltages, which are not connected to the unit.
  • Unit 44 of the unit is connected to the output of the subtracting device 40.
  • ⁇ ⁇ 2 cd is used as a functional converter 12, at the input of which a signal is sent - ** - with a sensor 5, the output is switched off.
  • the output is disconnected from the outlet I. After the passage
  • the output of the supplying unit I is turned off and, at a rate of 35, the modes are achieved, so that at 27, it was zero.
  • the presence of zero will be in that case, when on the second subtractor 19 from the first sum of 10 and the first subtractor 17, the second signals will be sent. This will be carried out for decentive indications of the flue pipe 14 and the measuring system - 12 - Subjects on the basis of the second total of II and sensor 5 of the discharge of the exhaust air.
  • the switch and the switch 20 are switched to the "I" position.
  • the final signal from the second subtractor 19 is excellent, after a block of 21 adjustments, it may be 5 that you can disconnect the amplification factor of the amplified mode, Block 26 of the control of the damper transfers the damper of 24 to the “ ⁇ ” position and the last effect of the regulating signal is excluded from the second
  • Unit 26 of the control can be turned off so that you can turn off the shutter 24 and measure the measurement
  • the indicated mathematical model can be obtained as a result of processing the data from a plan of an active experiment.
  • the system of measuring the discharge may also contain a source of 29 constant voltages, the value of which is 0 .
  • a signal with normalized speeds of 8.9 and a source of 32 continuous voltages is relieved of a total of 10, which also causes a loss of power:
  • FIG. 5 Another embodiment, shown in FIG. 5, the system for measuring the consumption of pulverized coal is working - 14 -
  • the principle is simple for the option depicted in yig. 1,2. With irreplaceable flow of air, it is possible to remove air.
  • pressure ⁇ measurable with sensor 36 will be added up from components: pressure, conditions
  • the 20th constant available for this route is a coefficient that depends on its function.
  • the subtracting device 40 To start the first input of the subtracting device 40, it is removed from the pressure sensor 36 through the normalizing device 39 and the electrical signal is compliant
  • Absorbing device 40 is a conventional amplified amplifier. On the second input, the deductible device is 40 from the sensor 5; - 15 - the cash converter 41, will receive a signal corresponding to ⁇ ⁇ .
  • the functional converter 41 is designed for non-disruptive resistance, which is dependent on the ⁇ ⁇ -ZD ⁇ .
  • the electrical signal will be zero.
  • zero will be the same voltage at the input of block 44 of the control of key 43, which, in turn, assumes nothing, for example, a zero voltage generated by the voltage.
  • the proposed variant of the SISSA system is that the consumption is increased due to the increased consumption due to the non-deteriorating temperature of the device.
  • the invention may have been used by others, in the case of improper operation, it is unacceptable to fail to

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)

Abstract

Un système de mesure de la consommation de combustible en poudre de charbon pendant l'alimentation dans les tuyères d'un haut fourneau, comprend un débitmètre d'air de transport (5) ainsi qu'un indicateur de pression (6) tous deux montés dans une conduite avant le réservoir d'alimentation (1). Un indicateur de pression (7) est monté au bout de la conduite (2) à proximité des tuyères (3) du haut fourneau (4). Le système comprend également des premier et second additionneurs (10), (11), des dispositifs de jaugeage (8), (9), un convertisseur fonctionnel (12) ainsi qu'un dispositif d'affichage (13). Les indicateurs (6), (7) sont connectés au second additionneur (11), lequel est relié, par l'intermédiaire du dispositif de jaugeage (9), au premier additionneur (10). La sortie du premier additionneur (10) est connectée au dispositif d'affichage (13). Le débitmètre (5) est connecté, par l'intermédiaire du dispositif de jaugeage (9) et du convertisseur fonctionnel (12), au premier additionneur (10).
PCT/SU1989/000322 1989-12-18 1989-12-18 Systeme de mesure de la consommation de combustible en poudre de charbon pendant l'alimentation dans les tuyeres d'un haut fourneau Ceased WO1991009142A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/SU1989/000322 WO1991009142A1 (fr) 1989-12-18 1989-12-18 Systeme de mesure de la consommation de combustible en poudre de charbon pendant l'alimentation dans les tuyeres d'un haut fourneau

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/SU1989/000322 WO1991009142A1 (fr) 1989-12-18 1989-12-18 Systeme de mesure de la consommation de combustible en poudre de charbon pendant l'alimentation dans les tuyeres d'un haut fourneau

Publications (1)

Publication Number Publication Date
WO1991009142A1 true WO1991009142A1 (fr) 1991-06-27

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Application Number Title Priority Date Filing Date
PCT/SU1989/000322 Ceased WO1991009142A1 (fr) 1989-12-18 1989-12-18 Systeme de mesure de la consommation de combustible en poudre de charbon pendant l'alimentation dans les tuyeres d'un haut fourneau

Country Status (1)

Country Link
WO (1) WO1991009142A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113088588A (zh) * 2021-04-09 2021-07-09 南京工程学院 大型高炉喷吹系统无人值守全自动自主控制系统及方法
CN113106177A (zh) * 2021-04-09 2021-07-13 南京工程学院 基于差动式大型高炉喷吹系统防堵排堵控制装置及方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4231262A (en) * 1979-03-28 1980-11-04 The Babcock & Wilcox Company System for measuring entrained solid flow
DE3227875A1 (de) * 1981-07-28 1983-04-28 Nippon Kokan K.K. Vorrichtung zur kontinuierlichen messung der durchsatzmenge eines feinmaterials durch ein foerderrohr
GB2124781A (en) * 1982-07-07 1984-02-22 Kloeckner Stahlforschung Measurement of solid particle/gas suspension flow rates
DE3316368A1 (de) * 1983-01-21 1984-07-26 Krupp-Koppers Gmbh, 4300 Essen Verfahren und vorrichtung zur ermittlung und ueberwachung des brennstoff-massenstromes, der bei der partialoxidation (vergasung) von feinkoernigen bis staubfoermigen brennstoffen dem vergaser zugefuehrt wird
EP0178104A1 (fr) * 1984-10-01 1986-04-16 The Babcock & Wilcox Company Débitmètre
FR2585828A1 (fr) * 1985-07-31 1987-02-06 Commissariat Energie Atomique Dispositif et procede de mesure de la fraction volumique occupee par un solide pulverulent en suspension dans une veine fluide

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4231262A (en) * 1979-03-28 1980-11-04 The Babcock & Wilcox Company System for measuring entrained solid flow
DE3227875A1 (de) * 1981-07-28 1983-04-28 Nippon Kokan K.K. Vorrichtung zur kontinuierlichen messung der durchsatzmenge eines feinmaterials durch ein foerderrohr
GB2124781A (en) * 1982-07-07 1984-02-22 Kloeckner Stahlforschung Measurement of solid particle/gas suspension flow rates
DE3316368A1 (de) * 1983-01-21 1984-07-26 Krupp-Koppers Gmbh, 4300 Essen Verfahren und vorrichtung zur ermittlung und ueberwachung des brennstoff-massenstromes, der bei der partialoxidation (vergasung) von feinkoernigen bis staubfoermigen brennstoffen dem vergaser zugefuehrt wird
EP0178104A1 (fr) * 1984-10-01 1986-04-16 The Babcock & Wilcox Company Débitmètre
FR2585828A1 (fr) * 1985-07-31 1987-02-06 Commissariat Energie Atomique Dispositif et procede de mesure de la fraction volumique occupee par un solide pulverulent en suspension dans une veine fluide

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113088588A (zh) * 2021-04-09 2021-07-09 南京工程学院 大型高炉喷吹系统无人值守全自动自主控制系统及方法
CN113106177A (zh) * 2021-04-09 2021-07-13 南京工程学院 基于差动式大型高炉喷吹系统防堵排堵控制装置及方法
CN113106177B (zh) * 2021-04-09 2022-06-17 南京工程学院 基于差动式大型高炉喷吹系统防堵排堵控制装置及方法

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