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WO1995027018A1 - Procede et appareil d'extraction de gaz par decomposition thermique de pneus uses - Google Patents

Procede et appareil d'extraction de gaz par decomposition thermique de pneus uses Download PDF

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Publication number
WO1995027018A1
WO1995027018A1 PCT/KR1995/000028 KR9500028W WO9527018A1 WO 1995027018 A1 WO1995027018 A1 WO 1995027018A1 KR 9500028 W KR9500028 W KR 9500028W WO 9527018 A1 WO9527018 A1 WO 9527018A1
Authority
WO
WIPO (PCT)
Prior art keywords
gas
tank
heat exchanger
oxygen
refrigerant
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/KR1995/000028
Other languages
English (en)
Japanese (ja)
Inventor
Hyeon Hee Lee
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to AU21490/95A priority Critical patent/AU2149095A/en
Publication of WO1995027018A1 publication Critical patent/WO1995027018A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G1/00—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal
    • C10G1/10—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal from rubber or rubber waste
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J1/00—Production of fuel gases by carburetting air or other gases without pyrolysis
    • C10J1/207—Carburetting by pyrolysis of solid carbonaceous material in a fuel bed
    • 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
    • F23G5/08—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating
    • F23G5/12—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating using gaseous or liquid fuel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
    • F23G7/12—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of plastics, e.g. rubber
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2209/00—Specific waste
    • F23G2209/28—Plastics or rubber like materials
    • F23G2209/281—Tyres
    • 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
    • F23G2900/00001—Exhaust gas recirculation

Definitions

  • the present invention relates to the pyrolysis of waste tires, and more specifically, can decompose and extract hydrocarbons and bunker heavy oil generated while the waste tires are pyrolyzed at low temperature in a low vacuum.
  • the present invention also relates to a method and an apparatus for extracting gas by pyrolysis of the waste tire. Background art
  • Waste tires are high molecular weight compounds with a large amount of energy containing isoprene and hydrocarbons belonging to the hydrocarbon congeners, and can be decomposed in air or in the formation. Because it is delayed much, we use a method that mainly treats it by incineration. In other words, waste tires are incinerated, and the waste heat generated at this time is used for thermal power generation or boilers.
  • the present invention can not only be used in the fuel or chemical industry by pyrolyzing waste tires under low atmospheric pressure and with a small amount of fuel, but also can be used for storing and storing hydrocarbons.
  • the purpose of the present invention is to provide a method and an apparatus for gas extraction by pyrolysis of waste tires, which can obtain heavy oil and have no pollution.
  • the present invention provides a desired hydrocarbon group gas by a cracking method for controlling the internal pressure and the thermal decomposition temperature of a tank in which waste tires are laminated. To do so for another purpose.
  • the present invention for achieving such an object is to supply a combustion gas (or heavy oil) and oxygen from the outside, and to provide a predetermined-sized ink tank which is ignited and thermally decomposed.
  • a combustion gas or heavy oil
  • oxygen from the outside
  • a predetermined-sized ink tank which is ignited and thermally decomposed.
  • a large number of waste tires can be laminated inside, and at the bottom of the tank, the inside of the tank is maintained in a vacuum state, and at the same time, ash generated during pyrolysis is discharged to the outside.
  • the gas discharged from the tank pump by the vacuum pump is separated into liquefied bunker heavy oil, water, hydrocarbon group gas and carbon dioxide while passing through a heat exchanger. In this way, the carbon dioxide is thermally decomposed and reduced by being supplied again to the tube located at the upper end in the tank.
  • the space inside the tank which is reduced by waste tires, is reduced. This is to reduce the load on the vacuum pump for the vacuum inside the tank by
  • FIG. 1 is a configuration diagram showing a schematic configuration of the present invention.
  • FIG. 2 is a cross-sectional view showing the structure of the dinner of the present invention.
  • FIG. 3 is a schematic diagram showing the configuration of the ignition device of the present invention.
  • FIG. 4 is a schematic diagram showing the configuration of the heat exchanger of the present invention.
  • FIG. 5 is a perspective view showing a configuration of a sunset according to another embodiment of the present invention.
  • FIG. 6 is a sectional view showing the structure of a sunset according to another embodiment of the present invention.
  • FIG. 7 is a circuit diagram showing the operation of a sunset according to another embodiment of the present invention.
  • FIG. 8 is a cross-sectional view showing a partial configuration of a sunset according to still another embodiment of the present invention.
  • FIG. 1 schematically shows the overall configuration of the present invention.
  • the tank 1 of a predetermined size which receives supply of combustion gas and oxygen from the outside via the supply pipe 2, the internal waste tire is thermally decomposed, and the tank 1 is used.
  • the ash discharge section 3 mounted on the bottom surface, the vacuum is maintained by the vacuum pump 4 and at the same time, the generated ash is discharged to the outside.
  • the gas discharged to the discharge pipe 9a by the pump 9 is supplied to a first heat exchanger 5 using water of a constant temperature, a second heat exchanger 6 for liquefying a single-strength oil, and steam (H).
  • the refrigerant circulating through the second to fourth heat exchangers 6, 7, 8 is returned to the gas storage tank 10 via the vacuum tank 14 and the vacuum pump 15.
  • After being temporarily stored in the refrigerant storage tank 16 it is compressed by the refrigerant liquefaction compressor 17 and passes through the water tank 19 connected to the refrigerant liquefaction heat exchanger 18. It is intended to be supplied by
  • the refrigerant circulating through the second to fourth heat exchangers 6 to 8 is evacuated from the refrigerant liquefaction compressor 17 to a vacuum It was made to pass through tank 14, vacuum pump 15 and refrigerant storage tank 16.
  • the vacuum pressure of the gas passing through the fourth heat exchanger 8 by the vacuum pump 9 is 60 to 360 mmHg, and the liquefaction temperature of the propane gas under this pressure is about -7. 0 ° C or less.
  • the liquefaction temperature of this pronon gas is 170, the following temperatures cannot be made only by a general refrigerant liquefaction compressor 17, so the refrigerant is vacuum tank 14 and vacuum pump 1.
  • the pressure of the refrigerant is made lower than that of the gas to be liquefied by passing through the refrigerant tank 5 and the refrigerant storage tank 16, the vaporization temperature also becomes lower, so that it is generated when the waste tire is decomposed. So that it can liquefy the propane gas with a vacuum of 60 to 360 mmHg when the blown pan gas flows through the tubes of the propane liquefaction heat exchanger.
  • a water-liquid unit 19 which is a refrigerant storage tank, is installed at a lower position, and gaseous refrigerant is injected into the water-liquid unit 19 to cool the refrigerant.
  • the refrigerant in the water-liquid unit 19 is supplied to each of the heat exchangers 6 to 8 at the same time as the liquid is moved upward to the liquefaction heat exchanger 18.
  • Fig. 2 shows the configuration of the tank 1.
  • the fuel gas pipe 21 has a manual valve 22 and an electronic valve 23 and a fuel gas pipe 21.
  • the supply pipe 2 of the oxygen pipe 24 provided with the manual valve 25 and the electronic valve 26 is connected to a torch 27 installed at the lower part of the tank 1 and an upper end of the torch 27. It is ignited by the ignition device 28 formed in the section.
  • an ash filter net 29 is installed above the torch 27, and the waste tire which is cut into an appropriate size on the support rod 30 and is stacked remains after being thermally decomposed. Make sure that the ash falls below the ash filter net 29.
  • An openable / closable bulkhead 32 is installed on the bottom of the tank 1 so that it can be selectively connected to the ash discharge section 3 at the lower end, and a vacuum state is maintained by a vacuum pump 4.
  • An opening / closing valve 33 that can be opened and closed is also provided on the bottom surface of the ash discharge section 3 so that the ash that moves downward through the ash filter net 29 is properly discharged.
  • An oxygen removing torch 31 is installed on the upper part of the partition wall 32, and the tank is maintained in a state where the internal pressure is reduced to a low vacuum of 60 to 360 mm Hg by the vacuum pump 9. By combusting and removing the oxygen remaining inside 1, an explosion due to the combination of the residual oxygen and the gas generated by decomposition of the waste tire is prevented.
  • a lid 11 is provided on the upper surface of the tank 1 so that the waste material can be laminated inside, and the bottom surface of the lid 11 is formed by carbon dioxide injected from the outside.
  • the expanding tube 12 is installed above the inside of tank 1 so that even if the amount of waste tires is reduced due to pyrolysis, the inside of tank 1 is reduced.
  • a pressure gauge 36 is attached to the side wall of the tank 1 to which the safety valve 34 and the valve 35 are attached, and the valve 22 of the oxygen pipe and the valve 25 of the fuel pipe for combustion are operated. Then, the amount of gas decomposed and generated from the inside of the tank is adjusted to maintain the desired internal pressure of tank 1 at the desired low vacuum of 60 to 360 mm Hg. I was able to do it.
  • the oxygen removing torch 31 is ignited and ignited to burn and remove the oxygen inside.
  • the two manual valves 22 and 25 are operated to supply appropriate amounts of combustion gas and oxygen to the torch 27 via the fuel gas pipe 21 and the oxygen pipe 24 of the supply pipe 2. To be ignited by the ignition device 28.
  • the worker can check the sparks on the sample tip 27a separately installed outside and adjust the opening and closing of the fuel gas pipe 21 and the oxygen pipe 24.
  • waste tires are thermally decomposed at temperatures above 600 at atmospheric pressure, but at temperatures of about 250 ° C under low vacuum pressure of 260 nrai Hg. Since it is disassembled, the vacuum pump 9 is operated to maintain the vacuum condition of 260 thigh Hg. This improves the energy efficiency and ensures that the flammable gas generated by pyrolysis can be continuously discharged to the outside, thus ensuring stability.
  • the inside of the ash discharge section 3 was evacuated by the vacuum pump 4 and the partition 32 was opened by a switchgear (not shown). Ensure that the ash is transferred to the ash outlet 3.
  • the ash is discharged while the inside of the tank 1 is kept in a vacuum state by opening the on-off valve 33 at the lower end and discharging the outside to the outside. It is.
  • Fig. 3 shows an ignition device.
  • a pipe 37 of a predetermined length is installed vertically at the end of a torch 27 connected to a plurality of supply pipes 2. Even if the inside of the tank 1 is in a low vacuum state, the sparks are directed upward without spreading laterally, and the current flowing through the igniter: the transformer 38 and the high-pressure transformer 39 Thus, the pressure is increased to 10 V, 1000 V to 15 V, 00 V, and supplied to the tungsten rods 41, 41a via the diode 40. It is designed to be ignited by the resistance heat of the cathode ray generated at the top of Fig. 7.
  • FIG. 4a to 4c show the configuration of the heat exchanger
  • FIG. 4a shows the first heat exchanger 5, which is a hemispherical upper end portion 42 having a gas outlet 43 formed therein and a plurality of upper and lower portions.
  • the main body 44 having a water inlet 46 and a water discharge port 47 formed at the upper and lower ends through which the gas transfer pipe 45 passes, and a hemispherical lower end 48 having a gas inlet 49 formed.
  • the gas that has flowed in through the gas inlets 49 at the lower end 48 through the gas inlets 49 at the upper end 42 through a plurality of gas transfer pipes 45 by being connected in a hermetically sealed manner by a flange. While moving through 43, it was cooled by water at a constant temperature flowing through the water inlet 46 and flowing into the drain 47 through the inside of the main body 44.
  • Fig. 4b shows the second heat exchanger 6 and the third heat exchanger 7 (see Fig. 1) for cooling and liquefying the bunker heavy oil and steam, and the left side where the gas inlet 51 is formed.
  • a lower body 52 filled with a viewer liquid 54 inside a zigzag left and right gas transfer pipe 53 penetrated, and a plurality of irregularities located at the upper end of the lower body 52 Separated by a copper plate 56 provided with a part 57, an upper part 55 of the main body in which a refrigerant gas outlet 58 and a refrigerant liquid inlet 59 are formed
  • a right side portion 60 having a gas outlet 61 and a liquid outlet 62 formed at an upper end and a lower end, and a valve installed at the liquid outlet 62 and getting on and off according to the accumulated liquid amount to open and close a passage. 6 3.
  • the refrigerant in the liquid state flows into the refrigerant liquid inlet 59 of the upper body 55 and becomes a gaseous refrigerant and is discharged to the refrigerant gas discharge port 58, the lower part 52 of the main body divided by the copper plate 56
  • the heat of the view line liquid 54 is transferred and the gas flowing through the gas inlet 51 of the left side 50 in this state passes through the gas transfer pipe 53 formed in a zigzag manner.
  • the heat exchange is performed by the BURAN liquid 54, and the liquefied bunker heavy oil or water collects in the right side 60, and the liquid collected in a certain amount moves the valve 63 upward and moves.
  • the liquid was discharged to the outside through the opened liquid outlet 62.
  • FIG. 4c shows a fourth heat exchanger 8 for cooling and liquefying the pronon gas, which is a hemispherical left portion 64 having a gas inlet 65 formed therein and a plurality of gas transfer pipes 6 on the left and right. 7 with a coolant inlet 68 and a coolant outlet 69 on both sides of the upper part, and a right side 70 with a gas outlet 71 and a liquid outlet 72 formed at the upper and lower ends.
  • the liquid outlet 72 is provided with a valve 73 for opening / closing the passage by getting on / off according to the amount of the accumulated liquid.
  • liquefied propane gas is collected at the right side 70 and then removed through the liquid outlet 72.
  • the lid 11 is opened, and the waste tires are laminated inside the tank 1 using the support rods 30. Then close lid 1 1.
  • the volume of tank 1 increases and the thermal conductivity decreases, so the bottom and both sides of the waste tire are separated. Then, cut it into an appropriate length of about 30 cm and put it on the bottom of tank 1.
  • the torch 31 is ignited by the igniter 28 to ignite. In this way, the residual oxygen inside is completely removed, and at this time, the confirmation of oxygen removal is confirmed by checking the digestion state of the torch 31 through a transparent window (not shown) I do.
  • the temperature of the waste tire portion in contact with the combustion heat generated from the torch 27 becomes about 250 ° C.
  • the internal pressure of the tank 1 becomes lower than 26 Omrn Hg when the vacuum pump 9 in the tank is operated, a certain amount of combustion gas is supplied through the manual valves 22 and 25.
  • the thermal power is reduced by reducing the supply of combustion gas and oxygen by adjusting the manual valves 22 and 25.
  • the amount of oxygen is increased to maintain a high temperature per surface area of the spark under a low vacuum pressure of 110 tg Hg or less, and the size of the spark is increased.
  • the generated gas maintains a vacuum state of 110 awake Hg and combustion heat, and complete combustion is performed. Propane gas and other gasses of heavy fuel oil will not be contained.
  • any gas can be extracted using a cracking method that appropriately controls the temperature by pressure during pyrolysis.
  • the gas discharged from the tank 1 by the vacuum pump 9 is cooled to a constant temperature in the first heat exchanger 5 using water, and again at the second heat exchanger 6 at ⁇ 5 to about ⁇ 10 ° C. When cooled, liquefied bunker heavy oil can be extracted.
  • a vacuum pump with a large capacity is required, but the tank is removed by the waste tire 31 and the tube 12. If the internal volume of 1 is reduced, a smaller capacity vacuum pump 9 can be used.
  • safety valve 34 opens to lower the internal pressure by a certain value, thus reducing safety. Will have.
  • FIG. 5 and 6 show a configuration of a tank according to another embodiment of the present invention, and show a tank for thermally decomposing a tire in which a metal wire is inserted into the tire.
  • a lid 76 is placed on the upper surface of the tank 74 on which the waste tire with the wire inserted is laminated on the upper surface of the support net 75 so as to be opened and closed.
  • An ash collecting section 78 and a wire collecting section 79 are separately formed at the lower end of the inside of the tank 74 provided with an opening / closing plate 77 on the front side by a partition wall 80 to enable separation and collection.
  • the ash At the lower end of the ash collector 7 8, ash remains and only liquid
  • the ash strainer net 81 that passes is installed, and the wire strainer net 82 is installed on it.
  • the wire is wire strainer net.
  • the ash passes through the ash strainer 8 1 before being collected at the ash collection section 7 8.
  • the electromagnet 83 positioned directly above the wire mesh 82 has the projecting portions 84, 84a at both ends inserted into the guides 85, 85a. , 85a are provided with springs 86, 86a, and the electromagnet 83 is bowed to one side of the tank 74.
  • the ends of the ⁇ -loops 89, 89 a pulled out from the roller 87 via a plurality of pulleys 88 are fixed to the projecting portions 84, 84 a of both ends of the electromagnet 83.
  • the pulley 91 which is connected to the evening 90 and rotates with it, causes the electromagnet 83 to reach a position where it contacts the upper stopper 92 of the wire collection unit 79, which is the other side of the tank 74, by the pulley 91. To be able to move.
  • the waste tires stacked on the support net 75 are ignited by the heat generated from the heating wire 94 fixedly installed on one side of the fixed frame 93.
  • the projections 95, 95a on both sides of the fixing frame 93 are formed by springs 97, 97a while being inserted into guides 96, 96a installed parallel to both side surfaces.
  • the hot wire 94 fixed to the fixed frame 93 according to the degree to which the protection frame 98 is thermally decomposed of the waste tire 97 so as to be drawn to one side. are also subtracted by a fixed value to one side.
  • the ends of the mouthpieces 101 and 10la which are pulled out from the mouth collar 99 through a plurality of pulleys 100 are fixed to the projecting portions 95 and 95a of both sides of the fixing frame 93.
  • the fixed frame 93 can be moved to the end of the ash collection unit 78 by the pulley 103 connected to the motor 102 and rotating therewith.
  • the internal gas of the tank 74 is discharged to a supply pipe by a vacuum pump (not shown) connected to one side wall of the tank 74 via a discharge pipe 104, and the heat is discharged. Cracking enables extraction of bunker heavy oil and hydrocarbon gas.
  • the other side wall of the tank 74 is provided with a valve 105 for changing the internal vacuum state to the atmospheric pressure state.
  • the manual switch SW1 is turned on, and the two solenoids SOLI and SOL2 are connected via the contacts P1 and P2 which are respectively turned on by the two relays R1 and R2.
  • the solenoids S0L1 and S0L2 are used to supply power to the two motors 102 and 90, respectively, so that 1 is connected to the pulleys 100, 88, respectively, and the pulleys 103, 9 are driven by the rotational force of the motors 102, 90. 1 and pulleys 100, 8 8 rotate together with pulleys 100, 8 8 Ropes 101, 101 a. 89, 89 a.
  • 89a and 89a are guides 96, 96a, 85, 85a, respectively, and projecting portions 95, 95a, 84, 8
  • the lid 76 is opened, the waste tire in which the wire is inserted is laminated on the support net 75, and the lid 76 is closed.
  • the relay R 3 which is driven by the switch SW 3, turns on the contact P 4 by the vacuum pump mode 106, so that the power is supplied by the relay R 3. So that the internal pressure of the tank 70 becomes a low vacuum pressure state of about 260 Hg--9 o
  • the switch SW4 is turned on so that the power is supplied to the heating wire 94 through the contact P4 which is turned on by the relay R4 so that the heating wire 94 is thermally decomposed. I do.
  • the electromagnet 83 is also pulled by the springs 86 and 86a to a position where it contacts the lower end protruding portion of the protective frame 98, and in this state, the contact switch is turned on. Turn on the switch SW5 so that the power is supplied to the electromagnet 83 through the contact 95, which is turned on by the relay R5.
  • the electromagnet 83 While the ropes 89, 89a are wound as the pulley 88 rotates, the electromagnet 83 is moved to a position in contact with the stopper 92 on the other side, and the limit switch is moved.
  • the switch P6 is turned on, and when the limit switch SW6 is turned on, the contact P6 that is turned off by the relay R6 is supplied to the electromagnet 83.
  • the power supply to the electromagnet 83 is turned off so that the wire attached to the electromagnet 83 collects in the wire collection section 79, and the relay R7 turns off.
  • Contact P7 interrupts the drive of relay R2, and the solenoid SOL2 and motor
  • the power supplied to 90 is cut off, and the electromagnet 83 moves to one side of the tank 74 by the springs 86 and 86a provided inside the guides 85 and 85a.
  • the magnet formed at the lower end of the protective frame 98, the electromagnet 8 3 that has been moved to a position in contact with ° 9-3 1 is turned on, and the power limit switch SW 7 is turned on.
  • normal power is supplied to the electromagnet 83 by the relay R5.
  • the work by the thermal decomposition is continued and the protection frame 98 comes into contact with one side of the tank 74, and the limit switch SW 8 formed on one side is opened.
  • the switch is turned on, the fixed frame 93 moves to the other side in the same manner as when the manual switch SW 1 is turned on, and the wire attached to the electromagnet 83 at the time when the timer operates is turned on. After the wire is collected at the wire collecting portion 79, the wire is brought into contact with the limit switch SW7 of the protection frame 98.
  • FIG. 8 shows still another embodiment of the present invention, and shows an apparatus for thermally decomposing a synthetic resin coated on a wire or the like, omitting the same parts as in FIG.
  • Combustion gas and oxygen are supplied from the outside through tanks 110, 112, 113, 114 into tanks 110, each of which has a vertical perspective window 1 1 1 on the side.
  • Torches 1 15, 1] 6, 1 17 are installed at predetermined intervals above and below, and the ignition and combustion conditions are controlled using the respective valves 118, 119, 120. Make adjustments selectively.
  • Waste wire inside tank 110 is pyrolyzed from top to bottom.
  • a desired low true air pressure state is created, the waste tire is pyrolyzed at a desired temperature, and the waste tire is decomposed.
  • isoprene and butadiene are destroyed (dissociated) by heat and recombined with any gas (pi-pan, ethylene, methane, acetylene, etc.).
  • the desired gas can be obtained by using the cracking method under low vacuum pressure.
  • the pyrolysis temperature is 600 or more under atmospheric pressure, but with the device of the present invention, the energy efficiency is reduced to about 250 ° C. And the heat inside the tank is reduced due to the low vacuum. Is used only for the thermal decomposition of waste tires without being conducted to the surroundings, and all heat at 250 ° C is used as latent heat of vaporization of gas, so the tank must be hot ⁇ safe to use ⁇
  • the pressure inside the tank is controlled by the operation of the vacuum pump and the amount of combustion gas (fuel and gas) injected into the tank, and the amount of flammable gas generated inside the tank is maintained.
  • the internal safety is improved, and the gas is cooled and liquefied through a heat exchanger before passing through a vacuum pump, so that stable work is performed.
  • the volume of the vacuum pump that matches the internal area of the tank and the amount of oxygen and fuel gas injected during combustion are adjusted, and the tank pressure is arbitrarily created to set the thermal decomposition temperature point. By adjusting the pressure, the desired gas can be extracted.
  • the inside of the tank is preheated, even if the supply of combustion gas is interrupted, the gas generated from the inside and oxygen are combined to perform the thermal decomposition, so the fuel consumption is low. It has the advantage that the pyrolysis work can be continued.
  • the present invention is not limited to the above-described pyrolysis of waste tires, but also heats various industrial wastes such as waste electric wires, coated paper and other industrial wastes such as waste electronic components within the spirit and scope of the present invention. Of course, it can be applied to decomposition.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Mechanical Engineering (AREA)
  • Organic Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Environmental & Geological Engineering (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

Procédé et appareil d'extraction de gaz par décomposition thermique de pneus usés, caractérisés en ce que l'on place plusieurs pneus usés superposés dans une cuve de dimensions prédéterminées alimentée depuis l'extérieur en hydrocarbure et en oxygène permettant de mettre feu aux pneus ainsi mis en place et de les brûler, en ce qu'un vide est entretenu à l'intérieur de la cuve et les cendres produites au cours de la combustion sont évacuées de celle-ci, en ce que le gaz évacué de la cuve par une pompe à vide se sépare en fuel lourd liquéfié, en eau, en hydrocarbure et en gaz carbonique lors de son passage dans un échangeur thermique, et en ce que le gaz carbonique traversant l'échangeur thermique et produit dans celui-ci est réintroduit dans un tube extrême supérieur de la cuve de sorte qu'il comble le vide créé à l'intérieur de la cuve à la suite de la décomposition thermique des pneus usés.
PCT/KR1995/000028 1994-03-30 1995-03-30 Procede et appareil d'extraction de gaz par decomposition thermique de pneus uses Ceased WO1995027018A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU21490/95A AU2149095A (en) 1994-03-30 1995-03-30 Method and apparatus for extracting gas from waste tires through thermal decomposition

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR19940006408 1994-03-30
KR1994/6408 1994-03-30
KR1019950005387A KR0155064B1 (ko) 1994-03-30 1995-03-15 폐타이어의 열분해에 의한 가스추출방법 및 장치
KR1995/5387 1995-03-15

Publications (1)

Publication Number Publication Date
WO1995027018A1 true WO1995027018A1 (fr) 1995-10-12

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PCT/KR1995/000028 Ceased WO1995027018A1 (fr) 1994-03-30 1995-03-30 Procede et appareil d'extraction de gaz par decomposition thermique de pneus uses

Country Status (3)

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KR (1) KR0155064B1 (fr)
AU (1) AU2149095A (fr)
WO (1) WO1995027018A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999016848A1 (fr) * 1997-09-29 1999-04-08 Thermex Energy Recovery Corp. Recuperation continue de gaz combustibles a partir de pneumatiques
KR20010078957A (ko) * 2001-05-25 2001-08-22 정정수 유기물(열분해물질)을 액화 가연성gas와 carbon으로양분시키는 공법.
CN102232012A (zh) * 2008-12-01 2011-11-02 全永珉 废旧轮胎的回收方法
JP5016766B2 (ja) * 2000-02-18 2012-09-05 テシ アンビエンテ ソチエタ レスポンサビリタ リミタータ Ｃｈ重合体鎖を含む物質の処理方法及び処理設備
KR102499082B1 (ko) * 2022-11-15 2023-02-14 주식회사 우석이엔씨 합성가스 생산을 위한 열분해·가스화 시스템 및 장치

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100621157B1 (ko) * 2005-12-12 2006-09-19 (주)세일환경 폐 타이어 건류로의 외부공기 차단장치
KR100955591B1 (ko) * 2008-04-02 2010-05-06 대한민국 바이오매스 가스화 장치
KR100914917B1 (ko) * 2008-09-24 2009-08-31 주식회사 에이쓰 폐타이어 재활용 시스템

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999016848A1 (fr) * 1997-09-29 1999-04-08 Thermex Energy Recovery Corp. Recuperation continue de gaz combustibles a partir de pneumatiques
JP5016766B2 (ja) * 2000-02-18 2012-09-05 テシ アンビエンテ ソチエタ レスポンサビリタ リミタータ Ｃｈ重合体鎖を含む物質の処理方法及び処理設備
KR20010078957A (ko) * 2001-05-25 2001-08-22 정정수 유기물(열분해물질)을 액화 가연성gas와 carbon으로양분시키는 공법.
CN102232012A (zh) * 2008-12-01 2011-11-02 全永珉 废旧轮胎的回收方法
KR102499082B1 (ko) * 2022-11-15 2023-02-14 주식회사 우석이엔씨 합성가스 생산을 위한 열분해·가스화 시스템 및 장치

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KR0155064B1 (ko) 1998-11-16
AU2149095A (en) 1995-10-23

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