WO2013125771A1 - Système de pyrolyse de déchets - Google Patents

Système de pyrolyse de déchets Download PDF

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Publication number
WO2013125771A1
WO2013125771A1 PCT/KR2012/009736 KR2012009736W WO2013125771A1 WO 2013125771 A1 WO2013125771 A1 WO 2013125771A1 KR 2012009736 W KR2012009736 W KR 2012009736W WO 2013125771 A1 WO2013125771 A1 WO 2013125771A1
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WO
WIPO (PCT)
Prior art keywords
oil
gas
pyrolysis
waste
exhaust gas
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Application number
PCT/KR2012/009736
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English (en)
Korean (ko)
Inventor
이달은
Original Assignee
Lee Dal-Eun
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Publication date
Application filed by Lee Dal-Eun filed Critical Lee Dal-Eun
Publication of WO2013125771A1 publication Critical patent/WO2013125771A1/fr

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    • 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
    • F23G5/0273—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment pyrolising or gasifying stage using indirect 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
    • B09B5/00—Operations not covered by a single other subclass or by a single other group in this subclass
    • 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
    • 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
    • F23G2201/00—Pretreatment
    • F23G2201/30—Pyrolysing
    • F23G2201/301—Treating pyrogases
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2203/00—Furnace arrangements
    • F23G2203/80—Furnaces with other means for moving the waste through the combustion zone
    • F23G2203/801—Furnaces with other means for moving the waste through the combustion zone using conveyors
    • F23G2203/8013—Screw conveyors
    • 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
    • F23G2900/50205—Waste pre-treatment by pyrolysis, gasification or cracking followed by condensation of gas into combustible oil or fat

Definitions

  • the present invention relates to a waste pyrolysis system in which waste is indirectly heated under an oxygen-free state to be decomposed into gas, oil, and char, and the collected gas and oil are collected (recovered).
  • waste is a generic term for materials that become obsolete. According to the conventional waste management law, 'waste, combustible materials, sludge, waste oil, waste acid, waste alkali, animal carcasses, etc. are not needed for human life or industrial activities.
  • Waste treatment options currently in use include 'reduction', 'recycling', 'recycling', 'landfill' and 'incineration'.
  • waste reduction methods such as weight loss, recycling, and regeneration are not the final waste treatment methods, and only a few parts are wastes, and landfills cause severe soil and water pollution over a long period of time. It is targeted. Therefore, at present, the 'incineration' method is mainly used, which is a method of burning wastes by using a flame.
  • waste treatment by incineration also has various problems. That is, in the case of incineration where the flame is directly applied to the waste, it is practically impossible to burn completely due to various factors such as waste load, density, moisture content, incinerator size and heating temperature, and soot, dust and air pollution due to incomplete combustion. There is a secondary problem that a large amount of pollution emission gas and the like.
  • an indirect heating pyrolysis apparatus for pyrolysis waste in a high temperature and vacuum environment includes a heating furnace 1 in which a heating means 1a is formed, and an inside of the heating furnace 1.
  • a screw shaft 3 having a pyrolysis furnace 2 for pyrolyzing waste, a screw blade 3a for moving waste introduced into the inlet 20a of the pyrolysis furnace 2, and the screw shaft 3 are driven. It is composed of a driving device (4), the waste injected into the pyrolysis furnace (2) is moved by the screw shaft (3) is heated to a high temperature by an indirect heating method, the pyrolysis furnace so that the waste is pyrolyzed in a vacuum environment state The inside of (2) maintains a vacuum state.
  • waste is thermally decomposed in the pyrolysis furnace 2 at high temperature and vacuum to be decomposed into gas, oil, and char, and the decomposed gas and oil are discharged as exhaust gas through the gas outlet 2b.
  • the gas / oil collecting (recovering) device is guided, and the gas and oil are separated and collected (recovering) in the gas / oil collecting (recovering) device, and the remaining char is discharged through the discharge outlet 2c.
  • the conventional waste pyrolysis device (system) has a problem in that it is inconvenient to install and use in a village or region because it is not structurally small form.
  • the present invention has been invented to solve the above problems
  • the present invention is to provide a waste pyrolysis system that can be installed and used in village or regional units.
  • an indirect heating type pyrolysis device equipped with an airtight holding device capable of maintaining the airtight state of the sealing part so that the vacuum state of the pyrolysis furnace is not destroyed, and recovering oil discharged in the form of exhaust gas from the pyrolysis device
  • the present invention aims to provide a waste pyrolysis system comprising a gas / oil collector and an exhaust gas guide device (C) to remove oil and recover oil of a relatively high purity.
  • waste pyrolysis system configured to dry waste (food, various wastes, etc.) by using waste heat discharged from an indirect heating pyrolysis device.
  • Waste pyrolysis system of the present invention which is invented to achieve the above object, in the waste pyrolysis system for heating and pyrolyzing waste, a pyrolysis furnace having a screw shaft installed with a screw shaft inside the heating furnace is formed, the heating means is provided
  • a gas / oil collector (B) for dividing the exhaust gas which is pyrolyzed by the pyrolysis device (A) into a plurality of chambers and separating and collecting gas and oil using a water tank in which cooling water (water) is stored;
  • An exhaust gas guide device (C) for guiding the discharged gas that is pyrolyzed by the pyrolysis device (A) to a gas / oil collector (B); It consists of a waste dryer (D) for drying the waste by using the waste heat discharged from the pyrolysis device (A).
  • the pyrolysis device (A) is provided with an airtight holding device for preventing the airtight destruction due to the change of the length of the screw shaft according to the temperature change
  • the airtight holding device is a spur (Spur) between the screw shaft and the drive device for rotating it
  • a power transmission device comprising a gear is installed, and the power transmission device is installed in a hermetic body for sealing to maintain a vacuum state together with a pyrolysis furnace, in the axial direction from the power transmission device when the screw shaft is stretched due to temperature changes. It is made possible to prevent the destruction of airtight by enabling the movement.
  • an airtight holding device is installed between the screw shaft and the driving device for rotating the same to reduce the temperature change by using a cooling fluid to maintain the airtightness, and a plurality of through holes are formed in the screw blades formed on the screw shaft. do.
  • the gas / oil collector (B), the hermetic collection body is provided with a plurality of diaphragm, the inner space is divided into a gas / oil separation chamber, an oil storage chamber and a water level control chamber, the exhaust gas guide device in the gas / oil separation chamber Water for separating gas and oil in the discharged gas supplied through (C) is stored and an upper tank is opened, and an oil tank divided into the separating tank and the oil separation plate for oil is formed, and gas is stored above.
  • the water level control chamber is formed in the water level control chamber is formed in the water level control chamber is installed in communication with the separation tank to maintain the level of water stored in the separation tank is lower than the top of the oil separation plate for the water level control plate is installed, Includes a gas inlet prevention oil pipe to ensure that only oil collected in the oil bath in the gas / oil separation chamber is transferred to the oil reservoir.
  • Rock consists.
  • the exhaust gas guide device (C) is formed in the form of a cylindrical tube installed on the gas / oil guide pipe for guiding the high-temperature exhaust gas is pyrolyzed by the pyrolysis device (A), the inlet is formed at one end, the other side A guide foreign matter separating body having an outlet formed at the end; A screw shaft for exhaust gas having a screw blade installed in the guide foreign substance separating body; It is configured to include a drive device for the exhaust gas for rotating the screw shaft for the exhaust gas, the exhaust gas is made to move along the screw blades of the screw shaft for the exhaust gas.
  • the exhaust gas guide device (C) is composed of a first chamber in communication with the outlet of the foreign matter separation body, and a second chamber in which a supply pipe is connected to the gas / oil collector and is partitioned from the first chamber.
  • the apparatus further includes a backflow prevention chamber having a communication path provided with a backflow prevention means for preventing backflow of the exhaust gas between the first chamber and the second chamber.
  • Waste pyrolysis system of the present invention made as described above, by using the gas / oil collector (B) using a water tank can recover the oil of relatively high purity, the screw by the airtight holding device installed in the pyrolysis device (A) By minimizing expansion and contraction caused by the temperature change of the shaft, it is possible to prevent destruction of the airtight state, thereby increasing the efficiency of pyrolysis.
  • a plurality of through holes are formed in the screw blades formed on the screw shaft to prevent the compaction of the waste and at the same time move the waste that is pyrolyzed through the plurality of through holes, thereby causing a stirring action to increase the thermal decomposition efficiency.
  • exhaust gas guide device (C) is discharged from the pyrolysis device (A), foreign matter can be removed first before moving to the gas / oil collector (B) it is possible to recover a relatively high purity gas and oil. .
  • the waste dryer (D) using high-temperature waste heat generated and discharged from the pyrolysis device (A) can decay waste, suppress odors, and the like.
  • the first drying in the waste dryer (D) may also solve the problem caused by the moisture contained in the waste.
  • FIG. 1 is a schematic cross-sectional view of an indirect heating type pyrolysis apparatus in use in the prior art.
  • Figure 2 is a schematic diagram of a waste pyrolysis system showing an embodiment of the present invention.
  • Figure 3 is a front cross-sectional schematic view of an embodiment of the pyrolysis apparatus (A) of the indirect heating method in the waste pyrolysis system of the present invention.
  • Figure 4 is a schematic cross-sectional view showing an operating state for the pyrolysis apparatus (A) of the indirect heating method in the waste pyrolysis system of the present invention.
  • FIG. 5 is a cross-sectional schematic view taken along the line a-a of FIG.
  • Figure 6 is a cross-sectional schematic view of the airtight holding device portion in the indirect heating type pyrolysis device (A) showing an embodiment of the present invention.
  • Figure 7 is a front cross-sectional schematic view of an embodiment of the gas / oil collector (B) in the present inventors waste pyrolysis system.
  • Figure 8 is a plan cross-sectional schematic view of an embodiment of the gas / oil collector (B) in the waste pyrolysis system of the present invention.
  • Figure 9 is a partial cross-sectional schematic view of an embodiment of the gas / oil collector (B) in the waste pyrolysis system of the present invention.
  • Figure 10 is a front sectional schematic view of an embodiment of the exhaust gas guide device (C) in the inventors waste pyrolysis system.
  • Figure 11 is a schematic cross-sectional view of the airtight holding device portion in the exhaust gas guide device (C) showing an embodiment of the present invention.
  • heating furnace 11 burner for heating
  • waste is thermally decomposed into a gas, oil, and char by heating in an indirect heating method in a vacuum state, and the waste is configured to separate and collect (recover) the gas and oil discharged by being thermally decomposed and mixed into exhaust gas.
  • Pyrolysis system Pyrolysis system.
  • a pyrolysis furnace having a screw shaft provided with a screw blade is installed inside a heating furnace in which a heating means is formed, and the waste is heated at high temperature and vacuum.
  • An indirect heating type pyrolysis apparatus for pyrolyzing in a state
  • a gas / oil collector for dividing the exhaust gas which is pyrolyzed by the pyrolysis device (A) into a plurality of chambers and separating and collecting gas and oil using a water tank in which cooling water (water) is stored
  • An exhaust gas guide device for guiding the discharged gas that is pyrolyzed by the pyrolysis device (A) to a gas / oil collector (B); It consists of a waste dryer (D) for drying the waste by using the waste heat discharged from the pyrolysis device (A).
  • the pyrolysis device (A) is provided with an airtight holding device for preventing the airtight destruction due to the change of the length of the screw shaft according to the temperature change, the airtight holding device is a spur (Spur) between the screw shaft and the drive device for rotating it
  • a power transmission device comprising a gear is installed, and the power transmission device is installed in a hermetic body for sealing to maintain a vacuum state together with a pyrolysis furnace, in the axial direction from the power transmission device when the screw shaft is stretched due to temperature changes. It is made possible to prevent the destruction of airtightness by enabling the movement.
  • an airtight holding device is installed between the screw shaft and the driving device for rotating the same to reduce the temperature change by using a cooling fluid to maintain the airtightness, and a plurality of through holes are formed in the screw blades formed on the screw shaft. do.
  • the gas / oil collector (B), the hermetic collection body is provided with a plurality of diaphragm, the inner space is divided into a gas / oil separation chamber, an oil storage chamber and a water level control chamber, the exhaust gas guide device in the gas / oil separation chamber Water for separating gas and oil in the discharged gas supplied through (C) is stored and an upper tank is opened, and an oil tank divided into the separating tank and the oil separation plate for oil is formed, and gas is stored above.
  • the water level control chamber is formed in the water level control chamber is formed in the water level control chamber is installed in communication with the separation tank to maintain the level of water stored in the separation tank is lower than the top of the oil separation plate for the water level control plate is installed, Includes a gas inlet prevention oil pipe to ensure that only oil collected in the oil bath in the gas / oil separation chamber is transferred to the oil reservoir.
  • Rock consists.
  • the exhaust gas guide device (C) is formed in the form of a cylindrical tube installed on the gas / oil guide pipe for guiding the high-temperature exhaust gas is pyrolyzed by the pyrolysis device (A), the inlet is formed at one end, the other side A guide foreign matter separating body having an outlet formed at the end; A screw shaft for exhaust gas having a screw blade installed in the guide foreign substance separating body; It is configured to include a drive device for the exhaust gas for rotating the screw shaft for the exhaust gas, the exhaust gas is made to move along the screw blades of the screw shaft for the exhaust gas.
  • the exhaust gas guide device (C) is composed of a first chamber in communication with the outlet of the foreign matter separation body, and a second chamber in which a supply pipe is connected to the gas / oil collector and is partitioned from the first chamber.
  • the apparatus further includes a backflow prevention chamber having a communication path provided with a backflow prevention means for preventing backflow of the exhaust gas between the first chamber and the second chamber.
  • the waste pyrolysis system of the present invention is a pyrolysis apparatus (A) of the indirect heating method for thermally decomposing waste under high temperature and vacuum by heating at a high temperature by an indirect heating method, and the pyrolysis apparatus (A).
  • Gas / oil collector (B) for collecting and discharging gas and oil by using a tank in which cooling water (water) is stored, and exhaust gas discharged by pyrolysis from the pyrolysis apparatus (A)
  • a waste gas guide device (C) for guiding the oil collector (B), and a waste dryer (D) for drying the waste using waste heat discharged from the pyrolysis device (A).
  • the configuration of the pyrolysis device (A) of the indirect heating method is an internal space provided with a heating burner (11) which is a heating means for heating the waste to a high temperature so that pyrolysis can occur large ( It is installed in the heating furnace 10 having the 10a and the inner space 10a inside the heating furnace, and the one end 20 'of the heating burner 11 side is installed to be lower than the other end 20 ".
  • a heating burner (11) which is a heating means for heating the waste to a high temperature so that pyrolysis can occur large
  • a pyrolysis furnace 20 in which a waste inlet 21 and a gas outlet 22 are formed at an upper end of the other end 20 ′′ side, and an outlet outlet 23 is formed at a lower portion thereof, and the pyrolysis furnace 20 ) Is installed inside the screw shaft 30 is formed with a screw shaft 31 for moving the supplied waste to the burner 11 side for heating, and a drive device 40 for rotating the screw shaft 30 forward and reverse rotation. ), And an airtight holding device 50 installed between the screw shaft 30 and the driving device 40.
  • the heating furnace 10 is provided with a conventional heating burner 11 to heat the pyrolysis furnace 20 in an indirect manner, is heat-insulated to prevent the heat is discharged to the outside to reduce the efficiency. .
  • the pyrolysis furnace 20 is to heat the waste by indirect heating in a vacuum state to thermally decompose gas, oil, char, etc., and one end 20 'of the heating burner 11 side has the other end ( 20 ") installed downwards to facilitate the movement of the injected waste burner 11 side, and a sealing cover for injecting waste into the pyrolysis furnace 20 above the other end 20".
  • a waste inlet 21 provided with a 21a and a gas outlet 22 through which the gas and oil generated by the decomposition of the waste are discharged are formed, and a sealing cover for discharging the remaining char to the outside after pyrolysis.
  • An embryo outlet 23 provided with a 23a is formed.
  • the pyrolysis furnace 20 has a cross section of the pyrolysis furnace 20 as shown in FIG. 5 so that the space for avoiding 20a may be formed to move the gas and oil generated by pyrolysis upward as shown in FIG. 3. It is preferably formed in the shape of a child. That is, the cross section is formed in the 'U' shape is installed on the lower screw shaft 30 is formed with a screw blade 31 for moving the waste, so that the avoidance space portion 20a can be formed on the upper side.
  • the first curved portion R1 and the first curved portion R1 and the first portion are formed to prevent the gas and oil from moving through the space for avoiding portion 20a formed on the upper side of the screw shaft 30 in a stagnant state.
  • Two curved portions R2 are formed. Gas and oil are moved by the first curved portion (R1) and the second curved portion (R2) without being stagnant to the gas outlet 22 as shown in FIG.
  • the screw shaft 30 is installed inside the pyrolysis furnace 20 to move the injected waste in the direction of the burner 11 for heating during the pyrolysis process, and after the pyrolysis, the remaining teeth are moved in the direction of the discharge outlet 23 and discharged.
  • one end is rotatably supported at one end 20 'of the pyrolysis furnace 20 on the side of the heating burner 11, and the other end thereof is the other end 20 " of the pyrolysis furnace 20.
  • a support gear 43 is installed at the end after being supported so as to be rotatable in the axial direction to the sealing portion 20-1 formed at the end, and is installed on the rotary shaft 41 of the driving device 40 in the airtight holding device 50.
  • Engages with the prime mover gear 42 that is, the screw shaft 30 is the prime mover 42 provided on the rotary shaft 41 of the drive unit 40 and the follower gear 43 provided at the end.
  • the power transmission device consisting of the drive device 40 is connected to the power transmission is forward or reverse rotation The.
  • the drive gear 42 and the driven gear 43, the power transmission device is preferably formed of a spur gear. This allows the driven gear 43 to move in the axial direction of the screw shaft 30 during expansion and contraction of the screw shaft 30 according to the temperature change.
  • the screw shaft 30 is rotated, and the bearing member P1 for airtightness can be maintained at the same time.
  • a plurality of through holes 32 are formed in the screw blades 31 formed in the screw shaft 30, or the screw blades 31 are formed in a mesh plate to correspond to the plurality of through holes 32. It is also possible to have multiple mesh balls.
  • the plurality of through holes 32 or the plurality of mesh holes formed in the screw blades 31 prevent the waste from being compressed during the pyrolysis process and are pyrolyzed through the plurality of through holes 32 or the plurality of mesh holes. Waste may pass through and cause agitation.
  • the airtight holding device 50 is located between the screw blade 31 and the drive device 40 to prevent the phenomenon that the vacuum state of the pyrolysis furnace 20 is destroyed by deformation by heat, Cooling fluid flow path (51a) is formed so that the cooling fluid can move, the airtight holding body (51) which has an inner space (51b) and is connected to the sealing portion (20-1) of the pyrolysis furnace (20), A motive gear 42 installed on the rotating shaft 41 of the driving device 40 which transmits the rotating force of the driving device 40 located in the inner space 51b of the hermetic body 51 to the screw shaft 30. And a power transmission device composed of a driven gear 43 installed on the screw shaft 30.
  • the hermetic holding body 51 is provided with a cooling fluid flow path 51a through which the cooling fluid moves, thereby preventing the phenomenon of heating at a high temperature, thereby reducing the difference between expansion and contraction due to heat.
  • the retaining body 51 is formed with an inlet and an outlet of the cooling fluid, and the inside is formed in a sealed form so that the vacuum is maintained together with the inside of the pyrolysis furnace 20.
  • the drive device 40 is located outside the airtight body 51, and usually uses an electric motor.
  • the rotary shaft 41 of the drive device 40 is installed in parallel with the screw shaft 30, the inside of the airtight body 51 is supported by the airtight bearing member (P2) so that the vacuum state can be maintained do.
  • the hermetic bearing member P2 has a relatively low internal temperature of the hermetic body 51 due to the cooling fluid flow path 51a and a small change, so that the expansion and contraction of the rotary shaft 41 is small, so that the hermetic state is easy. It will not be destroyed.
  • the gas / oil collecting device B in which oil is collected and recovered (recovered) from the exhaust gas discharged in the hot gas state from the pyrolysis device A, is first plate 112.
  • a plurality of diaphragms 111 which are second plates 113, are installed so that the internal space is guided to the exhaust gas guide device C to separate the high-temperature exhaust gas from the gas and oil
  • a gas / oil separation chamber 120 for storing and temporarily storing oil
  • an oil storage chamber 130 for storing only oil separated from the gas / oil separation chamber 120
  • the gas / oil separation chamber 120 It consists of a hermetic collection body 110 is divided into a water level control chamber 140 for adjusting the water level in the separation tank 150 is installed in.
  • the gas / oil separation chamber 120 is guided to the supply pipe 260 of the exhaust gas guide device (C) to cool the high-temperature exhaust gas supplied by using water to separate the gas and oil, the separated gas Storage and oil is the place of temporary storage.
  • the upper side of the gas / oil separation chamber 120 is stored in the water is stored to separate the high-temperature exhaust gas supplied to the exhaust gas guide device (C) to be supplied to the gas and oil by using water.
  • Separation tank 150 is formed, the oil tank 160 having an upper opening for temporarily storing the oil separated from the separation tank 150 is formed, the gas separated from the separation tank 150 on the upper side
  • the gas outlet 123 is provided with a gas storage space 120a to store the gas, and the valve V is installed to draw the gas stored in the space 120a.
  • the oil reservoir 130 is a place for storing the oil separated from the gas / oil separation chamber 120, the lower side of the oil outlet 131 is provided with a valve (V) is installed to withdraw the stored oil is , The upper side is provided with a vent (air vent) 132 for discharging the gas.
  • V valve
  • air vent air vent
  • the water level control chamber 140 is a place for adjusting the water level of the separation tank 150 of the gas / oil separation chamber 120, the water level control tank 170 is installed with a water level maintenance plate 141, and An auxiliary water tank 171 is formed which is partitioned by the water level maintaining diaphragm 141, and an air vent 142 for discharging the gas is installed at an upper side thereof.
  • the perforated plate 151 is installed in the separation tank 150 so that the exhaust gas supplied from the exhaust gas guide device (C) is spread widely when moving upward, the perforated plate 151 ) May be installed in one stage or in multiple stages.
  • the perforated plate 151 is to prevent the exhaust gas supplied from the exhaust gas guide device (C) to move to the upper side at the same time to spread uniformly to move to the upper side to quickly cool the exhaust gas and at the same time have a large specific gravity Separation can increase the efficiency of sedimentation, it is possible to increase the efficiency of removing the moisture contained in the exhaust gas.
  • the separation tank 150 is in communication with the water level control tank 170 of the water level control chamber 140 by a through hole 113a formed in the lower portion of the second plate 113.
  • the water level maintenance diaphragm 141 formed in the water level control tank 170 is higher than the height of the upper end 121a of the oil separation plate 121 formed in the separation tank 150. Lower the height of the upper end (141a) to have a slight height difference (h), so that the water of the separation tank 150 and the water level control tank 170 to move through each other through the through-hole (113a). As a result, the water level of the separation water tank 150 is maintained by the water level maintaining diaphragm 141 of the water level adjustment water tank 170.
  • the water level of the separation tank 150 may be increased by such moisture, but the water of the separation tank 150 moves through the through hole 113a. , The water moved is beyond the water level maintenance plate (141).
  • the oil tank 160 formed in the gas / oil separation chamber 120 is a place where the oil separated from the separation tank 150 is temporarily stored, and the separation tank 150 and the oil are separated as shown in FIG. 7.
  • the oil is separated into the separation plate 121 and temporarily stored over the oil through the separation plate 121 for oil.
  • the gas separated from the separation tank 150 is filled in the upper space 120a, and the oil is positioned above the separation tank 150 in which water is stored due to the difference in specific gravity.
  • the oil located on the upper side of the separation tank 150 is beyond the separation plate 121 for oil by a swelling phenomenon caused by the exhaust gas supplied to the exhaust gas guide device (C).
  • the oil tank 160 is divided into a first oil tank 16a and a second oil tank 160b by installing the secondary oil separation plate 122 as shown in FIGS. 7 and 8, and the separation plate for the secondary oil.
  • the upper end 122a of the 122 is formed lower than the upper end 121a of the separation plate 121 for oil.
  • the oil temporarily stored in the oil tank 160 is moved to and stored in the oil storage chamber 130 through the gas inlet preventing oil pipe 180.
  • the gas inflow prevention oil pipe 180 allows only the oil temporarily stored in the oil tank 160 to move to the oil storage chamber 130, and the gas in the gas / oil separation chamber 120 flows into the oil storage chamber 130. 7 and 8, the inlet 181 side of the oil tank 160 is higher than the outlet 182 side of the other side of the oil reservoir 130. Is installed to be low, the inlet 181 side is located at a position lower than the oil level of the oil tank (160).
  • the cooling means 190 may be provided with a cooling means 190 to prevent the temperature of the water of the separation tank 150 rises and to prevent the lack of water
  • the cooling means 190 is a pump 191 And a heat exchanger 192, cooling the water in the auxiliary water tank 171 of the water level control chamber 140 and supplying the water to the separation water tank 150 to increase the temperature of the separation water tank 150 and lack of water. Prevent the phenomenon.
  • the temperature of the water in the separation tank 150 may be increased by the high temperature exhaust gas supplied to the exhaust gas guide device C, and the foreign matters such as oil, gas, and moisture may be reduced due to the increase in the water temperature. This is not separated can cause a problem of low separation efficiency.
  • the exhaust gas guide device (C) is configured to guide the gas / oil collecting device (B) for separating and collecting the gas and oil discharge gas discharged by pyrolysis from the pyrolysis device (A) In addition, at the same time to remove the fine particles contained in the exhaust gas to prevent the back flow of the exhaust gas.
  • the exhaust gas guide device (C) is separated from the guide foreign matter formed in the inlet 211 at one end and the outlet 212 formed at the other end to guide the high-temperature exhaust gas is pyrolyzed by the pyrolysis device (A).
  • Body 210 a screw shaft 220 for the exhaust gas is installed in the direction of the center line of the guide foreign matter separating body 210, the screw blade 221 is installed to rotate around the center line, the screw for the exhaust gas
  • the foreign matter separating body 210 for guiding is usually made of a metal pipe of a cylindrical shape, each of the inlet 211 formed in one end and the outlet 212 formed in the other end and the flange portion for easy installation It is formed, it is made in a closed form to maintain the airtight, the horizontal line and the center line of the guide body 210 is formed to be inclined at a predetermined angle ( ⁇ ) so that the outlet 212 side is the inlet 211 side It is preferable to install so that it may be formed higher. This improves the flow of the exhaust gas, and prevents movement along the exhaust gas of the fine particles, and facilitates the discharge of the fine particles.
  • One end of the exhaust gas screw shaft 220 is installed so as to pass through the bottom portion of one side of the foreign matter separation body 210 to rotate the center line, the rotating screw shaft 220 for the exhaust gas to pass through
  • the sealing part 210-1 provided with the bearing (packing) P1 for airtightness is formed so that it may support and maintain an airtight state.
  • the exhaust gas screw shaft 220 is preferably installed to be concentric with the center line of the foreign material separation body 210 is installed to rotate around the center line, both ends of the bearing to act as a bearing or bearing Supported by packing or the like.
  • the screw shaft 220 for the exhaust gas is installed inside the foreign matter separation body 210 to guide the movement of the exhaust gas in a spiral shape by the screw blade 121 to move.
  • the exhaust gas rotates in a spiral shape by the screw blades 221 formed on the screw shaft 220 for the exhaust gas, and the movement distance of the exhaust gas is increased, so that the fine particles in the exhaust gas do not move together with the exhaust gas,
  • the foreign matter separation body 210 is collected.
  • the drive device 230 for the exhaust gas usually uses an electric motor, and the drive device 230 for the exhaust gas includes a screw shaft 220 for the discharge gas when the fine particles collected in the foreign matter separating body 210 are discharged.
  • the configuration to drive (rotate) it is possible to use not only the forward / reverse rotation motor but also the one-way rotation motor.
  • the exhaust gas hermetic holding device 240, the screw shaft 220 for the exhaust gas and the driving device 230 for the exhaust gas so as to prevent the air tightness in the foreign matter separation body 210 is destroyed by the high temperature exhaust gas. Installed between).
  • the exhaust gas hermetic holding device 240 is to be installed on a sealing portion 210-1 formed at one side of the bottom surface of the foreign matter separation body 210 through which one end of the exhaust gas screw shaft 220 is installed.
  • the cooling fluid passage 241a is formed, has an inner space 241b and is connected to the sealing portion 210-1 of the foreign matter separation body 210
  • the hermetic body 241 is formed in a sealed form and the exhaust gas driving device 230 located in the inner space 241b of the hermetic body 241
  • Power consisting of a motive gear 232 installed on the rotary shaft 231 of the drive device for exhaust gas 230 for transmitting the rotational force of the exhaust gas to the screw shaft 220 and a driven gear 233 installed on the screw shaft 220 It consists of a delivery device.
  • the prime mover 232 and the driven gear 233 which are the power transmission device are preferably formed of a spur gear. This allows the driven gear 233 to move in the axial direction of the screw shaft 220 when the expansion and contraction of the screw shaft 220 for exhaust gas according to the temperature change.
  • the rotary shaft 231 of the driving device for exhaust gas 230 is installed in parallel with the screw shaft 220, the bearing member (P2) for hermetic maintenance so that the interior of the hermetic body (241) can be maintained in a vacuum state. Is supported.
  • the hermetic bearing member P2 has a relatively low internal temperature of the hermetic body 241 due to the cooling fluid flow path 241a, and a small change, so that the expansion and contraction of the rotation shaft 241 is small, so that the hermetic state is easy. It will not be destroyed.
  • the backflow prevention chamber 250 is provided with a diaphragm 251 inside the first chamber 250a communicating with the outlet 212 of the foreign matter separation body 210 and a supply pipe connected to the gas / oil collector B.
  • 260 is partitioned into a second chamber 250b, and the diaphragm 251 is provided with a communication path 252 provided with a backflow prevention means 252a made of a check valve or the like to discharge the gas into the first chamber 250a.
  • a backflow prevention means 252a made of a check valve or the like
  • a back flow prevention means 260a made of a check valve or the like is formed at the end of the supply pipe 260.
  • the waste dryer (D) by using the waste heat discharged from the pyrolysis device (A) of the indirect heating method, to prevent the corruption by drying the food or waste supplied to the pyrolysis device (A) and the like. Prevents odor and solves problems caused by moisture.
  • Leachate discharged from the waste dryer (D) may be incinerated by supplying the heating means (11) to the pyrolysis device (A).
  • the waste pyrolysis system of the present invention made as described above may be very widely used by pyrolyzing waste by indirect heating, and collecting gas and oil generated by pyrolysis in high purity.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Wood Science & Technology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

La présente invention concerne un système de pyrolyse de déchets qui chauffe indirectement des déchets dans des conditions exemptes d'oxygène, trie les déchets : gaz, pétrole, produits de carbonisation et analogues, et recueille (récupère) le gaz et l'huile séparés. Selon la présente invention, le système de pyrolyse de déchets qui chauffe et pyrolyse des déchets comprend : un dispositif de pyrolyse à chauffage indirect (a) dans lequel un four à pyrolyse comportant un arbre à vis prévu avec des lames de vis est installé à l'intérieur d'un four de chauffage pourvu d'un moyen de chauffage de manière à pyrolyser les déchets par chauffage indirect à haute température et sous vide ; un collecteur de gaz et d'huile (B) qui recueille le gaz et l'huile séparés du gaz d'échappement pyrolysé par le dispositif de pyrolyse (A) à l'aide d'un réservoir d'eau ayant plusieurs chambres compartimentées, dans lequel un liquide de refroidissement (de l'eau) est stocké, un dispositif de guidage de gaz d'échappement (C) qui guide le gaz d'échappement pyrolysé par le dispositif de pyrolyse (A) et évacué dans le collecteur de gaz et d'huile (B) et un dispositif de séchage de déchets (D) qui sèche les déchets en utilisant la chaleur perdue déchargée par le dispositif de pyrolyse (A).
PCT/KR2012/009736 2012-02-20 2012-11-16 Système de pyrolyse de déchets WO2013125771A1 (fr)

Applications Claiming Priority (2)

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KR10-2012-0016931 2012-02-20
KR1020120016931A KR101202810B1 (ko) 2012-02-20 2012-02-20 폐기물 열분해시스템

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Cited By (1)

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KR101334880B1 (ko) 2013-01-09 2013-12-02 이달은 폐기물 처리시스템 및 그 시스템에 사용되는 배기가스 방지장치
KR101509102B1 (ko) * 2013-07-22 2015-04-07 이달은 폭발방지수단이 구비된 폐기물 열분해시스템
KR101612347B1 (ko) 2015-04-28 2016-04-14 이달은 오일 회수 및 고형물 생성을 위한 열분해장치 및 그 열분해시스템
KR101869333B1 (ko) 2017-02-14 2018-06-21 이달은 열분해기용 정제기
KR101937659B1 (ko) * 2017-07-05 2019-01-14 이달은 비열분해성 물질과 열분해성 물질의 분리가 용이한 폐기물 열분해장치
CN112128767A (zh) * 2020-09-25 2020-12-25 江苏普创热工科技有限公司 一种废旧锂电池热解炉
KR102556254B1 (ko) * 2021-10-25 2023-07-18 유한회사 호원 오일포집을 위한 정제기와 이를 구비한 열분해처리장치

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