CN219414799U - Environment-friendly waste liquid and waste gas incineration device of vulcanized isobutene production system - Google Patents
Environment-friendly waste liquid and waste gas incineration device of vulcanized isobutene production system Download PDFInfo
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Abstract
The utility model provides an environment-friendly incineration device for waste liquid and waste gas of a vulcanized isobutene production system, which comprises: the combustion chamber incinerator comprises a first combustion chamber incinerator body, a second combustion chamber incinerator body and a material slag recovery system, wherein the first combustion chamber incinerator body and the second combustion chamber incinerator body are connected through a flue gas pipeline, and the material slag recovery system is arranged at the bottoms of the first combustion chamber incinerator body and the second combustion chamber incinerator body; the flue gas collection bin is arranged at the discharge port of the material slag recovery system, the flue gas collection bin is connected with the inlet of the induced draft fan, the inlet of the induced draft fan is communicated with the air suction port, and the outlet of the induced draft fan is communicated with a combustion chamber incinerator, so that gas or atomized liquid which is not fully combusted is introduced into the combustion chamber incinerator again for combustion, the problem that waste liquid or waste gas can be discharged into the air through the waste slag recovery system when the waste liquid or waste gas is recovered after being combusted for the first time and the waste slag is recovered is solved.
Description
Technical Field
The application relates to the technical field of waste liquid and waste gas treatment, in particular to a waste liquid and waste gas environment-friendly incineration device for a vulcanized isobutene production system.
Background
The waste liquid and waste gas are produced in the process of producing the sulfur isobutene, wherein the waste liquid mainly comprises salt-containing waste liquid such as polyamine waste liquid, washing waste liquid, alkali boiling waste liquid and the like and polyamine waste liquid, the main components are isobutene condensate, ammonium polysulfide, low sulfur compound, sodium sulfide, sodium hydroxide and the like, and the waste gas is produced by the working sections such as an ammonium polysulfide synthesis working section, a boiling working section, a rectifying working section, an alkali boiling working section, a rectifying working section and the like.
The technical problems of the incineration system existing in the market at present mainly include:
(1) can only treat waste liquid or waste gas independently, causes low incineration efficiency, and is not suitable for treating waste liquid and waste gas of a vulcanized isobutene production system.
(2) After the first combustion, the waste liquid or waste gas can lead to insufficient combustion when the waste residue is recovered, and the waste liquid or waste gas can be discharged into the atmosphere through a residue recovery system.
Because the waste liquid and waste gas components for producing the vulcanized isobutene are complex, the environmental protection incinerator for the waste liquid and waste gas of the vulcanized isobutene production system needs to be designed.
Disclosure of Invention
In order to remove waste gas and waste liquid generated in the production process of the vulcanized isobutene, recycle waste resources and exhaust gas which is not combusted fully, the waste liquid is atomized and combusted together with the waste gas to realize the combined treatment of the waste liquid and the waste gas, and a gas collecting bin communicated with an air supply system is arranged on a waste residue recycling system to send the gas which is not combusted fully into a combustion furnace body again, so that the efficient and environment-friendly treatment of the waste gas and the waste liquid generated in the production process of the vulcanized isobutene is realized. The application is specifically as follows:
an environmental protection incinerator for waste liquid and waste gas of a sulfurized isobutylene production system, comprising:
the combustion chamber incinerator comprises a first combustion chamber incinerator body, a second combustion chamber incinerator body and a material slag recovery system, wherein the first combustion chamber incinerator body and the second combustion chamber incinerator body are connected through a flue gas pipeline, and the material slag recovery system is arranged at the bottoms of the first combustion chamber incinerator body and the second combustion chamber incinerator body;
the flue gas collection bin is arranged at the discharge port of the material slag recovery system and is connected with the inlet of the induced draft fan, the inlet of the induced draft fan is also communicated with the air suction port, and the outlet of the induced draft fan is communicated with a combustion chamber incinerator.
In this application, waste ash or waste residue after a combustion chamber burns burning furnace and two combustion chamber burns burning furnace enter into material sediment recovery system, when waste residue and flying ash enter into a combustion chamber burns burning furnace and two combustion chamber burns burning furnace bottom material sediment recovery system, a part of insufficiently burnt gas or atomized liquid also can enter into material sediment recovery system, causes insufficiently burnt atmospheric pressure or atomized liquid to spill over from material sediment recovery system discharge gate department, for this purpose sets up the flue gas at material sediment recovery system discharge gate department and collects the storehouse, the flue gas is collected the storehouse and is linked to each other with the entry of draught fan, the entry of draught fan still is linked together with the atmospheric suction mouth, the export of draught fan communicates with a combustion chamber burns burning furnace once more to with insufficiently burnt gas or atomized liquid lets in a combustion chamber burns burning furnace again, has solved waste liquid or waste gas and has burnt the waste residue in the time of retrieving, can lead to burning insufficient waste liquid or waste gas to discharge the problem in the atmosphere through waste residue recovery system.
Further, the one-combustion-chamber incinerator includes: a furnace body; the waste liquid atomizing spray gun and the waste gas nozzle are arranged above the furnace body, and the height of the waste gas nozzle is lower than that of the waste liquid atomizing spray gun; the first methanol burner is arranged at the outlets of the waste liquid atomizing spray gun and the waste gas nozzle; a blast port arranged below the furnace body and communicated with the outlet of the induced draft fan; a fire grate arranged below the blast orifice; the first slag outlet is arranged below the fire grate and is positioned at the bottom of the furnace body.
Further, a second methanol burner is arranged above the secondary combustion chamber incinerator, and a second slag hole is arranged at the bottom of the secondary combustion chamber incinerator.
In this application, liquid sprays into a combustion chamber incinerator and is used for burning the organic waste liquid that contains more inorganic salt and low-melting ash content, and its furnace body is built by carbon steel shell and resistant firebrick, insulating brick, and there is the methyl alcohol combustor inside the stove, and the methyl alcohol combustor makes methyl alcohol atomizing at the nozzle blowout, and the waste liquid is with medium pressure steam atomizing, spouts in the furnace body, utilizes the methyl alcohol combustor to burn the decomposition of organic matter in very short time. The waste water containing high concentration organic matter is oxidized and decomposed at high temperature to convert the organic matter into water, carbon dioxide and other harmless matter, and the combustion product is CO 2 、H 2 O、SO 2 Etc. The first combustion chamber incinerator and the second combustion chamber incinerator are adopted for twice incineration, so that hydrogen sulfide, ammonia gas and other sulfur-containing ammonia-containing organic waste gas generated by the isobutene production system can be fully combusted to generate sulfur dioxide, carbon dioxide and nitrogen. After the waste liquid and the waste gas are combusted, the generated waste slag or fly ash is discharged through the furnace discharge and the first slag outlet.
Further, the material slag recovery system comprises a material slag collecting bin for collecting waste slag discharged from the first slag outlet and the second slag outlet and a water seal scraper slag extractor for outputting the material slag in the material slag collecting bin.
The material slag recovery system is arranged below the first combustion chamber incinerator and the second combustion chamber incinerator, the water seal scraper slag extractor is arranged on the material slag recovery system, waste residues in the incineration wastewater of the first combustion chamber incinerator and the second combustion chamber incinerator are rapidly cooled by the water seal scraper slag extractor, and the slag is collected through the water seal scraper slag extractor, so that comprehensive utilization of resources can be achieved.
Further, in order to prevent waste liquid or waste gas brought out of the waste slag from overflowing everywhere in the slag collecting bin, the slag collecting bin is tightly connected with the first slag outlet and the second slag outlet, so that only the discharge outlet of the slag collecting bin is connected with the external atmosphere.
Further, the waste liquid atomizing spray gun is connected with a waste liquid mixing tank, and the waste liquid mixing tank is connected with a washing section and an alkaline boiling section in the production process of the vulcanized isobutene.
Further, the waste gas nozzle is connected with a waste gas buffer tank, and the waste gas buffer tank is connected with a polyamine synthesis section, a water washing section, a distillation section, an alkaline cooking section and a rectification section which are generated in the production process of the vulcanized isobutene.
In the present application, the waste gas in the polyamine synthesis section is a part of ammonia and hydrogen sulfide gas in the polyamine synthesis process of the production of the sulfur isobutylene, and the reaction rate of ammonia and hydrogen sulfide in the polyamine synthesis process is 99%, so that the part of waste gas is ammonia and hydrogen sulfide. The waste gas is led into an incinerator for incineration treatment through a fully-closed negative pressure pipeline.
In the washing process of the production of the vulcanized isobutene, part of vulcanized isobutene gas is generated, and according to the material balance, noncondensable gas C is generated in the washing process 8 H 14 S, S. The waste gas is led into an incinerator for incineration treatment through a fully-closed negative pressure pipeline.
The waste gas in the distillation section is sulfide of noncondensable gas C4 in the distillation process, wherein part of the sulfide isobutene gas is generated in the distillation process of the production of the sulfide isobutene. The waste gas is led into an incinerator for incineration treatment through a fully-closed negative pressure pipeline.
The waste gas in the alkaline cooking section is sulfide which can generate partial sulfide isobutene gas in the alkaline cooking process of the production of sulfide isobutene and can not condense gas C4 in the alkaline cooking process. The waste gas is led into an incinerator for incineration treatment through a fully-closed negative pressure pipeline.
In the rectification process of producing the vulcanized isobutene, part of vulcanized isobutene gas is generated, and noncondensable gas C is generated in the rectification process 8 H 14 S, S. The waste gas is led into an incinerator for incineration treatment through a fully-closed negative pressure pipeline.
The waste liquid in the water washing section comprises ammonia, ammonium sulfide, water, tetrahydrothiophene and the like, and is boiled in alkaliSodium sulfate, sodium carbonate, sodium sulfide and C as components of waste liquid of the stage 8 H 14 S 2 Water, etc.
The beneficial effects of this application lie in:
in this application, waste ash or waste residue after a combustion chamber burns burning furnace and two combustion chamber burns burning furnace enter into material sediment recovery system, when waste residue and flying ash enter into a combustion chamber burns burning furnace and two combustion chamber burns burning furnace bottom material sediment recovery system, a part of insufficiently burnt gas or atomized liquid also can enter into material sediment recovery system, causes insufficiently burnt atmospheric pressure or atomized liquid to spill over from material sediment recovery system discharge gate department, for this purpose sets up the flue gas at material sediment recovery system discharge gate department and collects the storehouse, the flue gas is collected the storehouse and is linked to each other with the entry of draught fan, the entry of draught fan still is linked together with the atmospheric suction mouth, the export of draught fan communicates with a combustion chamber burns burning furnace once more to with insufficiently burnt gas or atomized liquid lets in a combustion chamber burns burning furnace again, has solved waste liquid or waste gas and has burnt the waste residue in the time of retrieving, can lead to burning insufficient waste liquid or waste gas to discharge the problem in the atmosphere through waste residue recovery system.
In the wastewater treatment process, the vulcanized isobutene water washing wastewater and the alkali boiling wastewater are introduced into an incinerator system for incineration treatment, the waste liquid treated by the incineration method is that the waste liquid containing high-concentration organic matters is subjected to oxidative decomposition at high temperature, so that the organic matters are converted into harmless substances such as water, carbon dioxide and the like, and the combustion products are CO 2 、H 2 O、SO 2 And the like, absorbing sulfur dioxide in the incineration flue gas by using a two-stage spray tower, and evacuating residual carbon dioxide and water vapor. The vertical liquid jet incinerator is used for incinerating organic waste liquid containing more inorganic salt and low-melting ash, the incinerator body is built by a carbon steel shell, refractory bricks and insulating bricks, a methanol burner is arranged in the incinerator, methanol and atomized waste liquid are premixed and sprayed in a nozzle, the waste liquid is atomized by medium-pressure steam and sprayed into the incinerator body, and the organic matter is combusted and decomposed in a very short time, so that the decomposition treatment of waste liquid and waste gas of a vulcanized isobutene production system is realized.
Drawings
FIG. 1 is a schematic diagram of an environmental protection incinerator for waste liquid and waste gas of a sulfurized isobutylene production system of the present application;
in the drawings, a combustion chamber incinerator 10; a waste liquid atomizing spray gun 11; an exhaust gas spout 12; a first methanol burner 13; a tuyere 14; a grate 15; a first tap hole 16;
a secondary combustion chamber incinerator 20; a second methanol burner 21; a second tap hole 22;
a slag recovery system 30; a slag collection bin 31; a water seal scraper slag extractor 32;
a flue gas duct 40;
a flue gas collection bin 50;
an induced draft fan 60; an atmosphere absorbing port 61;
a waste liquid mixing tank 70; an exhaust gas buffer tank 80; a polyamine synthesis section 71; a water washing section 72; a distillation section 73; an alkaline cooking section 74; a rectification section 75.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden on the person of ordinary skill in the art based on the embodiments of the present utility model, are intended to be within the scope of the present application.
An environmental protection incinerator for waste liquid and waste gas of a sulfurized isobutylene production system, comprising:
the combustion chamber incinerator 10, the secondary combustion chamber incinerator 20 and the material slag recovery system 30 are connected through a flue gas pipeline 40, and the material slag recovery system 30 is arranged at the bottoms of the combustion chamber incinerator 10 and the secondary combustion chamber incinerator 20; the flue gas collection bin 50 is arranged at the discharge port of the material slag recovery system 30, the flue gas collection bin 50 is connected with the inlet of the induced draft fan 60, the inlet of the induced draft fan 60 is also communicated with the air suction port 61, and the outlet of the induced draft fan 60 is communicated with the combustion chamber incinerator 10.
In this embodiment, when the waste ash or the waste slag after being burned in the first combustion chamber incinerator 10 and the second combustion chamber incinerator 20 enters the slag recovery system 30, and the waste slag and the fly ash enter the slag recovery system 30 at the bottom of the first combustion chamber incinerator 10 and the second combustion chamber incinerator 20, a part of the gas or the atomized liquid which is not fully burned also enters the slag recovery system 30, so that the gas pressure or the atomized liquid which is not fully burned overflows from the discharge port of the slag recovery system 30, for this purpose, a flue gas collecting bin 50 is arranged at the discharge port of the slag recovery system 30, the flue gas collecting bin 50 is connected with the inlet of an induced draft fan 60, the inlet of the induced draft fan 60 is also connected with an air absorbing port 61, and the outlet of the induced fan 60 is connected with the first combustion chamber incinerator 10, so that the gas or the atomized liquid which is not fully burned is again introduced into the first combustion chamber incinerator 10 for burning, and the problem that the waste liquid or the waste gas which is not fully burned is discharged into the atmosphere after the first combustion of the waste slag is recovered through the slag recovery system is solved.
On the basis of the above embodiment, the one-combustion-chamber incinerator 10 includes: a furnace body; a waste liquid atomizing spray gun 11 and a waste gas spray nozzle 12 which are arranged in the upper part of the furnace body, wherein the height of the waste gas spray nozzle 12 is lower than that of the waste liquid atomizing spray gun 11; a first methanol burner 13 disposed at the outlets of the waste liquid atomizing lance 11 and the waste gas spout 12; a tuyere 14 provided in the lower inside of the furnace body and communicated with the outlet of the induced draft fan 60; a grate 15 disposed below the tuyere 14; a first slag outlet 16 arranged below the fire grate and positioned at the bottom of the furnace body. A second methanol burner 21 is arranged above the two-chamber incinerator 20, and a second slag hole 22 is arranged at the bottom of the two-chamber incinerator 20.
The specific implementation process is as follows: the waste liquid of sulfur isobutene is sprayed into a combustion chamber incinerator 10 for incinerating organic waste liquid containing more inorganic salt and ash with low melting point, a furnace body is built by a carbon steel shell, refractory bricks and insulating bricks, a methanol burner 13 is arranged in the furnace, the methanol burner 13 atomizes methanol to be sprayed out of a nozzle, the waste liquid is atomized by medium-pressure steam and sprayed into the furnace body, and the organic matter is combusted and decomposed by the methanol burner 13 in a short time. The vulcanized isobutene wastewater is introduced into a combustion chamber incinerator 10 through a wastewater atomization spray gun 11 for incineration treatment, and the wastewater is treated by the incineration method, namely the wastewater containing high-concentration organic matters is introduced at high temperatureOxidative decomposition to convert organic matter into harmless substances such as water and carbon dioxide, and the combustion product is CO 2 、H 2 O、SO 2 Etc. The first combustion chamber incinerator 10 and the second combustion chamber incinerator 20 are adopted for twice incineration, so that hydrogen sulfide, ammonia gas and other sulfur-containing and ammonia-containing organic waste gas generated by the isobutene production system can be fully combusted to generate sulfur dioxide, carbon dioxide and nitrogen. After the waste liquid and the waste gas are combusted, generated waste residue or fly ash is discharged through the fire grate 15, the first slag hole 16 and the second slag hole 22, and the residual flue gas is discharged through the flue gas discharge hole 23 and then subjected to subsequent ash removal, denitration and desulfurization treatment.
On the basis of the above embodiment, the slag recovery system 30 includes a slag collection bin 31 for collecting the slag discharged from the first slag hole 16 and the second slag hole 22, and a water seal scraper slag extractor 32 for outputting the slag in the slag collection bin 31. The slag collecting bin 31 is closely connected to the first slag notch 16 and the second slag notch 22.
The specific implementation process is as follows: in order to prevent waste liquid or waste gas carried by the waste slag from overflowing around in the slag collecting bin 31, the slag collecting bin 31 is tightly connected with the first slag hole 16 and the second slag hole 22, so that only the discharge hole of the slag collecting bin 31 is connected with the external atmosphere. The material slag recovery system 30 is arranged below the first combustion chamber incinerator 10 and the second combustion chamber incinerator 20, the material slag recovery system 30 is provided with a water seal scraper slag extractor 32, waste slag in waste water burnt by the first combustion chamber incinerator 10 and the second combustion chamber incinerator 20 is rapidly cooled by the water seal scraper slag extractor 32, and the slag is collected by the water seal scraper slag extractor 32, so that comprehensive utilization of resources can be realized.
Further, the waste liquid atomizing spray gun 11 is connected with a waste liquid mixing tank 70, and the waste liquid mixing tank 70 is connected with a washing section 72 and an alkaline boiling section 74 of the production process of the vulcanized isobutene. The waste gas spout 12 is connected with a waste gas buffer tank 80, and the waste gas buffer tank 80 is connected with a polyamine synthesis section 71, a water washing section 72, a distillation section 73, an alkaline boiling section 74 and a rectification section 75 which are generated in the production process of the vulcanized isobutene.
In the present application, the waste gas in the polyamine synthesis section is a part of ammonia and hydrogen sulfide gas in the polyamine synthesis process of the production of the sulfur isobutylene, and the reaction rate of ammonia and hydrogen sulfide in the polyamine synthesis process is 99%, so that the part of waste gas is ammonia and hydrogen sulfide. The waste gas is led into an incinerator for incineration treatment through a fully-closed negative pressure pipeline.
The waste gas in the washing section is partially vulcanized isobutene gas generated in the washing process of the vulcanized isobutene production, and non-condensable gas C8H14S is generated in the washing process according to material balance. The waste gas is led into an incinerator for incineration treatment through a fully-closed negative pressure pipeline. The waste gas in the distillation section is sulfide of noncondensable gas C4 in the distillation process, wherein part of the sulfide isobutene gas is generated in the distillation process of the production of the sulfide isobutene. The waste gas is led into an incinerator for incineration treatment through a fully-closed negative pressure pipeline. The waste gas in the alkaline cooking section is sulfide which can generate partial sulfide isobutene gas in the alkaline cooking process of the production of sulfide isobutene and can not condense gas C4 in the alkaline cooking process. The waste gas is led into an incinerator for incineration treatment through a fully-closed negative pressure pipeline. The waste gas in the rectification section is the partial sulfurized isobutylene gas generated in the rectification process of the sulfurized isobutylene production, and the non-condensable gas C8H14S is generated in the rectification process. The waste gas is led into an incinerator for incineration treatment through a fully-closed negative pressure pipeline. The waste liquid in the water washing section comprises ammonia, ammonium sulfide, water, tetrahydrothiophene and the like, and the waste liquid in the alkaline cooking section comprises sodium sulfate, sodium carbonate, sodium sulfide, C8H14S2, water and the like. The waste liquid generated by the washing section 72 and the alkaline boiling section 74 of the sulfurized isobutylene production process enters the waste liquid mixing tank 70 and enters the combustion chamber incinerator 10 through the pumping system, the waste liquid atomizing spray gun 11 is connected with the waste liquid mixing tank 70, and the waste liquid mixing tank 70 is connected with the combustion chamber incinerator 10 and enters the combustion chamber incinerator 10. The waste gas of the polyamine synthesis section 71, the water washing section 72, the distillation section 73, the alkali boiling section 74 and the rectification section 75 generated in the production process of the sulfur isobutene is introduced into the waste gas buffer tank 80, and the waste gas in the waste gas buffer tank 80 enters the combustion chamber incinerator 10.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced with equivalents; such modifications and substitutions do not depart from the spirit of the technical solutions according to the embodiments of the present utility model.
Claims (7)
1. Waste liquid and waste gas environment-friendly incineration device of vulcanized isobutene production system is characterized by comprising:
the device comprises a first combustion chamber incinerator (10), a second combustion chamber incinerator (20) and a material slag recovery system (30), wherein the first combustion chamber incinerator (10) and the second combustion chamber incinerator (20) are connected through a flue gas pipeline (40), and the material slag recovery system (30) is arranged at the bottoms of the first combustion chamber incinerator (10) and the second combustion chamber incinerator (20);
the flue gas collection bin (50) is arranged at the discharge hole of the material slag recovery system (30), the flue gas collection bin (50) is connected with the inlet of the induced draft fan (60), the inlet of the induced draft fan (60) is also communicated with the atmosphere suction port (61), and the outlet of the induced draft fan (60) is communicated with the combustion chamber incinerator (10).
2. The environmental protection incinerator for waste liquid and waste gas of a sulfurized isobutylene production system according to claim 1, wherein the one-combustion-chamber incinerator (10) comprises:
a furnace body;
a waste liquid atomizing spray gun (11) and a waste gas nozzle (12) are arranged above the furnace body, and the height of the waste gas nozzle (12) is lower than that of the waste liquid atomizing spray gun (11);
a first methanol burner (13) arranged at the outlets of the waste liquid atomizing spray gun (11) and the waste gas nozzle (12);
a blast port (14) arranged below the inside of the furnace body and communicated with the outlet of the induced draft fan (60);
a grate (15) arranged below the tuyere (14);
and a first slag outlet (16) arranged below the fire grate and positioned at the bottom of the furnace body.
3. The environmental protection incinerator for waste liquid and waste gas of the vulcanized isobutene production system according to claim 1, wherein a second methanol burner (21) is arranged above the secondary combustion chamber incinerator (20), and a second slag outlet (22) is arranged at the bottom of the secondary combustion chamber incinerator (20).
4. A waste liquid and waste gas environmental protection incinerator for a vulcanized isobutene production system according to any one of claims 1 to 3, wherein the slag recovery system (30) comprises a slag collection bin (31) for collecting waste slag discharged from the first slag outlet (16) and the second slag outlet (22) and a water seal scraper slag extractor (32) for outputting the slag in the slag collection bin (31).
5. The environmental protection incinerator for waste liquid and waste gas of a vulcanized isobutene production system according to claim 4, wherein the slag collection bin (31) is tightly connected with the first slag outlet (16) and the second slag outlet (22).
6. The environmental protection incinerator for waste liquid and waste gas of a vulcanized isobutene production system as set forth in claim 2, wherein the waste liquid atomization spray gun (11) is connected with a waste liquid mixing tank (70), and the waste liquid mixing tank (70) is connected with a water washing section (72) and an alkali boiling section (74) of the vulcanized isobutene production process.
7. The environmental protection incinerator for waste liquid and waste gas of a vulcanized isobutene production system according to claim 2, wherein the waste gas nozzle (12) is connected with a waste gas buffer tank (80), and the waste gas buffer tank (80) is connected with a polyamine synthesis section (71), a water washing section (72), a distillation section (73), an alkali boiling section (74) and a rectification section (75) which are generated in the vulcanized isobutene production process.
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| CN202320865278.XU CN219414799U (en) | 2023-04-18 | 2023-04-18 | Environment-friendly waste liquid and waste gas incineration device of vulcanized isobutene production system |
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| CN202320865278.XU CN219414799U (en) | 2023-04-18 | 2023-04-18 | Environment-friendly waste liquid and waste gas incineration device of vulcanized isobutene production system |
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