CN110566982B - Combustion device for waste gas environment-friendly treatment - Google Patents

Combustion device for waste gas environment-friendly treatment Download PDF

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Publication number
CN110566982B
CN110566982B CN201910959146.1A CN201910959146A CN110566982B CN 110566982 B CN110566982 B CN 110566982B CN 201910959146 A CN201910959146 A CN 201910959146A CN 110566982 B CN110566982 B CN 110566982B
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wall
shell
gas
combustion
pipe
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CN110566982A (en
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郭志斌
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Jiangsu Zhongkuang beilaike Environmental Technology Co., Ltd
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Jiangsu Zhongkuang Beilaike Environmental Technology Co Ltd
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01KSTEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K25/00Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for
    • F01K25/08Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for using special vapours
    • F01K25/14Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for using special vapours using industrial or other waste gases
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01KSTEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K27/00Plants for converting heat or fluid energy into mechanical energy, not otherwise provided for
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23GCREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G7/00Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
    • F23G7/06Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
    • F23G7/061Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating
    • F23G7/065Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating using gaseous or liquid fuel
    • F23G7/066Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating using gaseous or liquid fuel preheating the waste gas by the heat of the combustion, e.g. recuperation type incinerator
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23LSUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
    • F23L5/00Blast-producing apparatus before the fire
    • F23L5/02Arrangements of fans or blowers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23GCREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2204/00Supplementary heating arrangements
    • F23G2204/10Supplementary heating arrangements using auxiliary fuel
    • F23G2204/103Supplementary heating arrangements using auxiliary fuel gaseous or liquid fuel
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23GCREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2209/00Specific waste
    • F23G2209/14Gaseous waste or fumes
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00Combustion technologies with mitigation potential
    • Y02E20/12Heat utilisation in combustion or incineration of waste

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Environmental & Geological Engineering (AREA)
  • Incineration Of Waste (AREA)

Abstract

The invention belongs to the technical field of environment-friendly equipment, in particular to a combustion device for waste gas environment-friendly treatment, and provides a scheme aiming at the problem of insufficient combustion of waste gas. The invention reduces the kinetic energy of the waste gas, improves the burning time of the waste gas, leads the waste gas to be more fully burnt, saves the energy, leads the waste gas to be capable of being heated to the temperature required by burning more quickly when burning, improves the burning effect, leads the waste gas to be capable of contacting more oxygen when burning, and leads the waste gas to be more uniformly and fully burnt.

Description

Combustion device for waste gas environment-friendly treatment
Technical Field
The invention relates to the technical field of environment-friendly equipment, in particular to a combustion device for environment-friendly treatment of waste gas.
Background
The combustion method is a method for converting combustible harmful components in the waste gas into harmless substances or substances which are easy to further treat and recover through thermal oxidation, such as petroleum industry hydrocarbon waste gas absorbing other harmful gases, solvent industry waste gas, organic waste gas generated by municipal waste incineration treatment, almost all malodorous substances (mercaptan, H2S) and the like can be treated by the combustion method.
The thermal combustion method is a method of adding fuel to assist combustion when the concentration of volatile organic compounds in exhaust gas is low, in which purified exhaust gas is used not as fuel but as auxiliary gas for supplying oxygen, and when the content of oxygen in exhaust gas is low, air is added to assist combustion.
The existing waste gas combustion device can not provide enough oxygen when the waste gas is combusted because the waste gas can not be fully contacted with the air, and the combustion effect of the waste gas is poor.
Disclosure of Invention
Based on the technical problem that the waste gas combustion device is insufficient in waste gas combustion, the invention provides a combustion device for waste gas environment-friendly treatment.
The invention provides a combustion device for waste gas environment-friendly treatment, which comprises a combustion cylinder, wherein a support frame is arranged on the inner wall of the side surface of the combustion cylinder, a combustion mechanism is arranged on the outer wall of the side surface of the support frame, the inner wall of the top of the combustion cylinder is connected with an upper air guide pipe through a bearing, the outer wall of the bottom of the upper air guide pipe is provided with an upper connecting shell which is communicated with the upper connecting shell, the outer wall of the bottom of the upper connecting shell is provided with a connecting rod, the outer wall of the bottom of the connecting rod is provided with a lower connecting shell, the outer wall of the bottom of the lower connecting shell is provided with an air outlet mechanism, the outer wall of one side of the upper connecting shell is inserted with a preheating pipe, the other end of the preheating pipe is inserted with the outer wall of the side surface of the.
Preferably, the combustion mechanism includes the gas pipe of connecting in support frame side outer wall through the bail, and the side outer wall of gas pipe opens has a plurality of evenly distributed's gas hole, and the side inner wall that the combustion cylinder is located gas pipe one side is provided with some firearm.
Preferably, the lateral outer wall of the combustion cylinder is provided with an annular air inlet casing, the air inlet end of the gas pipe is inserted into the lateral inner wall of the annular air inlet casing, and the outer wall of one side of the annular air inlet casing is inserted with a gas inlet pipe.
Preferably, the air outlet mechanism comprises a lower air duct which is arranged on the outer wall of the bottom of the lower connecting shell and communicated with the lower connecting shell, an air distribution shell is arranged on the outer wall of the bottom of the lower air duct, four air distribution pipes which are uniformly distributed in an annular shape are inserted into the outer wall of the side surface of the air distribution shell, and air discharge grooves are formed in the outer wall of the bottom of each air distribution pipe.
Preferably, the air supply mechanism comprises an air inlet shell arranged on the inner wall of the bottom of the combustion barrel, a fan shell is arranged on the outer wall of one end of the air inlet shell, a supporting block is arranged on the inner wall of the side face of the fan shell, the inner wall of the side face of the supporting block is connected with a rotating shaft through a bearing, and an air inlet fan is arranged on the outer wall of one side of the rotating shaft.
Preferably, the air supply mechanism includes first air inlet shell, and one side outer wall of first air inlet shell is provided with the energy reduction shell, and the top outer wall of energy reduction shell is provided with the second air inlet shell, and the top outer wall of second air inlet shell is pegged graft and is had the intake pipe.
Preferably, the top outer wall of a combustion cylinder is provided with a top shell, one end of the air inlet pipe is inserted into the top inner wall of the top shell, and the top outer wall of the upper air guide pipe is connected to the top inner wall of the top shell through a bearing.
Preferably, the side inner wall of the energy reduction shell is connected with a connecting shaft through a bearing, the side outer wall of the connecting shaft is provided with an energy reduction fan, and one end of the connecting shaft and one end of the rotating shaft form transmission fit through a bevel gear.
Preferably, a supporting plate is arranged on one side of the outer wall of the top of the combustion cylinder, a motor is arranged on the outer wall of the bottom of the supporting plate, and an output shaft of the motor is in transmission fit with the upper air guide pipe through a belt.
Preferably, the preheating pipe is of a spiral tubular structure.
The beneficial effects of the invention are as follows:
1. through setting up the energy reduction shell, set up the energy reduction shell between first intake pipe and second intake pipe, set up in the energy reduction shell and reduce the energy fan, waste gas can drive when reducing the energy shell and reduce the energy fan and rotate, turns into the kinetic energy of waste gas into the mechanical energy that reduces the energy fan then to reduce the kinetic energy of waste gas, improved the combustion time of waste gas, make the waste gas burning more abundant.
2. Through setting up the connecting axle, when waste gas drives the fan that subtracts to energy and rotates, subtract to energy fan and can drive the fan that admits air through the connecting axle and rotate, admit air the fan and rotate and then can carry out the air blast oxygen suppliment through the shell that admits air to waste gas burning, saved the energy.
3. Through setting up the preheater tube, set up the preheater tube between last air duct and lower air duct, waste gas can preheat by the heat that produces when burning in the preheater tube, and then enables waste gas can be more quick intensification to the required temperature of burning when burning, has improved the combustion effect, and the preheater tube is the spiral tubular structure, can increase the preheating time of waste gas, has improved the effect of preheating.
4. Through setting up the motor, the motor rotation can drive the gas-distributing pipe and rotate, and then enables waste gas and air intensive mixing contact for can contact more oxygen during the waste gas burning, make the waste gas burning more even abundant.
Drawings
FIG. 1 is a schematic view of the overall structure of a combustion apparatus for environmentally friendly treatment of exhaust gas according to the present invention;
FIG. 2 is a partial cross-sectional view of a combustion can of a combustion apparatus for environmentally friendly treatment of exhaust gas according to the present invention;
FIG. 3 is a structural view of a gas distributing pipe of the combustion apparatus for environmental protection treatment of waste gas according to the present invention;
fig. 4 is a schematic view of an internal structure of an energy reduction casing of the combustion device for the environmental protection treatment of waste gas.
In the figure: 1-a combustion cylinder, 2-a gas distribution shell, 3-a lower gas guide tube, 4-a gas distribution tube, 5-a gas hole, 6-a gas tube, 7-a lower connecting shell, 8-a connecting rod, 9-a preheating tube, 10-an upper connecting shell, 11-an upper gas guide tube, 12-an exhaust tube, 13-a top shell, 14-a supporting plate, 15-a motor, 16-a gas inlet tube, 17-an igniter, 18-a supporting frame, 19-an annular gas inlet shell, 20-a gas inlet tube, 21-a second gas inlet shell, 22-an energy reducing shell, 23-a first gas inlet shell, 24-a connecting shaft, 25-a gas inlet fan, 26-a fan shell, 27-a gas inlet shell, 28-an exhaust groove, 29-an energy reducing fan, 30-a rotating shaft and 31-a supporting block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example 1:
referring to fig. 1 to 4, a combustion apparatus for environmental protection treatment of waste gas comprises a combustion cylinder 1, a supporting frame 18 welded to the inner wall of the side of the combustion cylinder 1, and the outer wall of the side surface of the supporting frame 18 is provided with a combustion mechanism, the inner wall of the top part of the combustion cylinder 1 is connected with an upper air duct 11 through a bearing, and the outer wall of the bottom of the upper gas guide tube 11 is welded with an upper connecting shell 10 which is communicated with the outer wall of the bottom of the upper connecting shell 10, the outer wall of the bottom of the upper connecting shell 10 is welded with a connecting rod 8, the outer wall of the bottom of the connecting rod 8 is welded with a lower connecting shell 7, the outer wall of the bottom of the lower connecting shell 7 is provided with a gas outlet mechanism, the outer wall of one side of the upper connecting shell 10 is inserted with, the other end of the preheating pipe 9 is inserted in the outer wall of the side surface of the lower connecting shell 7, the exhaust pipe 12 is inserted in the outer wall of the top of the combustion cylinder 1, and the outer wall of the bottom of the combustion cylinder 1 is provided with an air supply mechanism, and the outer wall of the top of the combustion cylinder 1 is provided with an air supply mechanism.
In the invention, the combustion mechanism comprises a gas pipe 6 connected with the outer wall of the side surface of the support frame 18 through a staple, the outer wall of the side surface of the gas pipe 6 is provided with a plurality of gas holes 5 which are uniformly distributed, and the inner wall of the side surface of the combustion cylinder 1 positioned at one side of the gas pipe 6 is connected with an igniter 17 through a screw.
Wherein, the side outer wall of combustion section of thick bamboo 1 has annular air inlet shell 19 through the screw connection, and the inlet end of gas pipe 6 pegs graft in the side inner wall of annular air inlet shell 19, and one side outer wall of annular air inlet shell 19 pegs graft there is the gas to advance tub 20.
Wherein, the mechanism of giving vent to anger is including welding in the communicating lower air duct 3 of connecting shell 7 with lower of connecting shell 7 outer wall down, and the welding of the bottom outer wall of lower air duct 3 has a gas distribution shell 2, and the side outer wall of gas distribution shell 2 is pegged graft and is had four annular evenly distributed's gas-distributing pipe 4, and the bottom outer wall of gas-distributing pipe 4 has all opened exhaust groove 28.
Wherein, air feed mechanism is including welding in the air inlet shell 27 of 1 bottom inner wall of combustion section of thick bamboo, and the welding of the one end outer wall of air inlet shell 27 has fan shell 26, and the welding of the side inner wall of fan shell 26 has supporting shoe 31, and the side inner wall of supporting shoe 31 is connected with pivot 30 through the bearing, and the welding of one side outer wall of pivot 30 has air inlet fan 25.
Wherein, air feed mechanism includes first air inlet shell 23, and the welding of one side outer wall of first air inlet shell 23 has the shell 22 that subtracts to give energy, and the welding of the top outer wall that subtracts to give energy shell 22 has second air inlet shell 21, and the top outer wall of second air inlet shell 21 is pegged graft and is had intake pipe 16.
Wherein, the welding of the top outer wall of combustion section of thick bamboo 1 has a top shell 13, and the one end of intake pipe 16 is pegged graft in the top inner wall of top shell 13, goes up the top outer wall of air duct 11 and passes through the bearing and connect in the top inner wall of top shell 13.
Wherein, the side inner wall of the energy reducing shell 22 is connected with a connecting shaft 24 through a bearing, the side outer wall of the connecting shaft 24 is welded with an energy reducing fan 29, and one end of the connecting shaft 24 and one end of a rotating shaft 30 form transmission fit through a helical gear.
Wherein, the welding of the top outer wall one side of combustion cylinder 1 has backup pad 14, and there is motor 15 bottom outer wall of backup pad 14 through bolted connection, and the output shaft of motor 15 forms the transmission cooperation with last air duct 11 through the belt.
When the gas supply device is used, gas is externally connected with the gas inlet pipe 20, the gas enters the gas pipe 6 through the annular gas inlet pipe 19 and is sprayed out of the gas hole 5, then the gas is ignited by the igniter 17 to form high-temperature flame, waste gas enters the energy reducing shell 22 through the first gas inlet shell 23 and drives the energy reducing fan 29 to rotate, then the kinetic energy of the waste gas is reduced, the waste gas enters the upper gas guide pipe 11 through the gas inlet pipe 16, then sequentially enters the upper connecting shell 10, the preheating pipe 9, the lower connecting shell 7, the lower gas guide pipe 3 and the gas distribution shell 2, then enters the gas distribution pipe 4 and is discharged through the exhaust groove 28, the energy reducing fan 29 rotates and simultaneously drives the connecting shaft 24 to rotate, further drives the rotating shaft 30 to rotate, thereby driving the gas inlet fan 25 to rotate, the gas inlet fan 25 rotates to draw outside air into the gas inlet shell 27 and mix the waste gas discharged from the exhaust groove 28 to supply oxygen for gas combustion, and simultaneously the motor 15 rotates to drive the gas, and then enable air and waste gas intensive mixing, the mist then can burn when high temperature flame for combustible harmful component oxidative decomposition in the waste gas, then discharge by blast pipe 12 and carry out processing on next step, the high temperature gas after the burning can preheat the waste gas in the preheater tube 9 simultaneously, makes waste gas can heat up to the assigned temperature fast when burning.
Example 2:
referring to fig. 1 and 2, a burner for environment-friendly treatment of exhaust gas has a spiral pipe-shaped structure of a preheating pipe 9 to improve the preheating effect of exhaust gas as compared with example 1.
Compared with the embodiment 1, the preheating pipe 9 with the spiral tubular structure can improve the circulation time of the waste gas in the preheating pipe 9, thereby improving the preheating time and the preheating effect.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (6)

1. A combustion device for waste gas environment-friendly treatment comprises a combustion cylinder (1) and is characterized in that a support frame (18) is arranged on the inner wall of the side face of the combustion cylinder (1), a combustion mechanism is arranged on the outer wall of the side face of the support frame (18), the inner wall of the top of the combustion cylinder (1) is connected with an upper air duct (11) through a bearing, an upper connecting shell (10) communicated with the upper air duct is arranged on the outer wall of the bottom of the upper air duct (11), a connecting rod (8) is arranged on the outer wall of the bottom of the upper connecting shell (10), a lower connecting shell (7) is arranged on the outer wall of the bottom of the connecting rod (8), an air outlet mechanism is arranged on the outer wall of the bottom of the lower connecting shell (7), a preheating pipe (9) is inserted into the outer wall of one side of the upper connecting shell (10), the other end of the preheating pipe (9) is inserted into the outer wall of, an air supply mechanism is arranged on the outer wall of the bottom of the combustion cylinder (1), an air supply mechanism is arranged on the outer wall of the top of the combustion cylinder (1), the air supply mechanism comprises an air inlet shell (27) arranged on the inner wall of the bottom of the combustion cylinder (1), a fan shell (26) is arranged on the outer wall of one end of the air inlet shell (27), a supporting block (31) is arranged on the inner wall of the side surface of the fan shell (26), the inner wall of the side surface of the supporting block (31) is connected with a rotating shaft (30) through a bearing, an air inlet fan (25) is arranged on the outer wall of one side of the rotating shaft (30), the air supply mechanism comprises a first air inlet shell (23), an energy reduction shell (22) is arranged on the outer wall of one side of the first air inlet shell (23), a second air inlet shell (21) is arranged on the outer wall of the top of the energy reduction shell (22), an air inlet pipe, and the one end of intake pipe (16) is pegged graft in the top inner wall of top shell (13), goes up the top outer wall of air duct (11) and passes through the bearing and connect in the top inner wall of top shell (13), the side inner wall of subtracting energy shell (22) is connected with connecting axle (24) through the bearing, and the side outer wall of connecting axle (24) is provided with subtracts energy fan (29), and the one end of connecting axle (24) forms transmission fit through the helical gear with the one end of pivot (30).
2. The combustion device for the environmental protection treatment of waste gas as claimed in claim 1, wherein the combustion mechanism comprises a gas pipe (6) connected to the lateral outer wall of the supporting frame (18) through a staple, the lateral outer wall of the gas pipe (6) is provided with a plurality of gas holes (5) uniformly distributed, and the lateral inner wall of the combustion cylinder (1) on one side of the gas pipe (6) is provided with an igniter (17).
3. The combustion device for the environment-friendly treatment of the waste gas as recited in claim 2, wherein an annular gas inlet casing (19) is arranged on the outer wall of the side surface of the combustion cylinder (1), the gas inlet end of the gas pipe (6) is inserted into the inner wall of the side surface of the annular gas inlet casing (19), and a gas inlet pipe (20) is inserted into the outer wall of one side of the annular gas inlet casing (19).
4. The combustion device for the environment-friendly treatment of the exhaust gas as recited in claim 1, wherein the gas outlet mechanism comprises a lower gas guide tube (3) which is arranged on the outer wall of the bottom of the lower connecting shell (7) and communicated with the lower connecting shell (7), the outer wall of the bottom of the lower gas guide tube (3) is provided with a gas distribution shell (2), the outer wall of the side surface of the gas distribution shell (2) is inserted with four gas distribution tubes (4) which are uniformly distributed in an annular shape, and the outer wall of the bottom of each gas distribution tube (4) is provided with an exhaust groove (28).
5. The combustion device for the environment-friendly treatment of the exhaust gas as recited in claim 1, wherein a supporting plate (14) is arranged on one side of the outer wall of the top of the combustion cylinder (1), a motor (15) is arranged on the outer wall of the bottom of the supporting plate (14), and an output shaft of the motor (15) is in transmission fit with the upper gas guide tube (11) through a belt.
6. The combustion apparatus for environmental protection treatment of exhaust gas according to claim 1, wherein the preheating pipe (9) has a spiral tubular structure.
CN201910959146.1A 2019-10-10 2019-10-10 Combustion device for waste gas environment-friendly treatment Active CN110566982B (en)

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CN110566982B true CN110566982B (en) 2020-11-03

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CN117419347A (en) * 2023-10-19 2024-01-19 江苏大格环境科技有限公司 Waste gas treatment heat accumulating type incinerator and using method thereof

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