CN212425970U - Organic hazardous waste disposal system - Google Patents
Organic hazardous waste disposal system Download PDFInfo
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- CN212425970U CN212425970U CN201922054954.1U CN201922054954U CN212425970U CN 212425970 U CN212425970 U CN 212425970U CN 201922054954 U CN201922054954 U CN 201922054954U CN 212425970 U CN212425970 U CN 212425970U
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
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- Gasification And Melting Of Waste (AREA)
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Abstract
The utility model discloses an organic danger is useless deals with system, it includes schizolysis gasification system, schizolysis gas incineration disposal system and burns back flue gas processing system, schizolysis gas incineration disposal system connects the rear end at schizolysis gasification system, burn back flue gas processing system and connect the rear end at schizolysis gas incineration disposal system, schizolysis gasification system includes the pyrolysis kiln, combustion chamber and the useless charging device of danger, schizolysis gas incineration disposal system includes that ETO burns burning furnace, high temperature rapid cooling heat exchanger and thermal refrigeration system, burn back flue gas processing system and include the semi-dry gas wash tower, remove dioxin equipment in the dust removal, alkali wash tower and oxidation absorption tower. The utility model has the advantages that: the consumption of fuels such as natural gas and the like is greatly reduced, and the heat balance is realized; the waste heat is fully utilized to achieve the purposes of energy conservation and emission reduction; the solid salt is obtained by gasification in the deacidification tower, so that no wastewater is generated in the whole system; the unorganized volatile gas does not overflow in the storage process; the hazardous waste is treated, and simultaneously, a byproduct of active carbon can be prepared, so that resources are comprehensively utilized.
Description
Technical Field
The utility model relates to an organic danger is useless deals with system belongs to environmental pollution and administers technical field.
Background
With the development of industry, the discharge of dangerous waste in industrial production process is increasing. It is estimated that the worldwide annual production of hazardous waste is 3.3 million tons. Because of the serious pollution and potential serious influence brought by the hazardous waste, the organic hazardous waste is more difficult to treat and is more likely to cause secondary pollution. Dangerous waste treatment such as activated carbon and organic solvent (national dangerous waste record HW 06) of organic solvent, used oil material (national dangerous waste record HW 08), refined (distilled) distillation residue (national dangerous waste record HW 11) and the like is mainly treated by combustion, but the existing treatment process has some defects in the aspects of dioxin control and recovery, for example, in the aspect of dioxin control, a mode of directly and rapidly cooling the smoke temperature from five-six hundred ℃ to below 200 ℃ by adopting high-temperature water spraying is adopted, and the mode causes higher energy consumption of the whole system and wastes a large amount of heat energy and water; the active carbon contained in the organic hazardous waste is not recycled, and needs to be improved urgently.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in providing an organic useless processing system of danger, adopt the mode of high-efficient pipe high temperature chiller, the flue gas sharply reduces to below 200 ℃ through high-efficient heat exchanger and sharply, the air that adopts the entering system cools down, the recovery heat sends back the system of burning to reduce the consumption of fuel such as natural gas by a wide margin, can rely on the decomposition heat maintenance system of self to move under the high temperature even when the organic matter content in the danger is useless is higher, and realize heat balance.
The utility model discloses a following scheme realizes: the utility model provides an organic danger is useless deals with system, its includes pyrolysis gasification system, pyrolysis gas incineration disposal system and burns back flue gas treatment system, pyrolysis gas incineration disposal system connects pyrolysis gas gasification system's rear end, burn back flue gas treatment system and connect pyrolysis gas incineration disposal system's rear end, pyrolysis gasification system includes that pyrolysis kiln, combustion chamber and danger waste throw material device, pyrolysis gas incineration disposal system includes that ETO burns burning furnace, high temperature rapid cooling heat exchanger and thermal refrigeration system, burn back flue gas treatment system and include semi-dry gas wash tower, remove dioxin equipment, alkali wash tower and oxidation absorption tower in the dust removal.
The combustion chamber with the pyrolysis kiln is connected, the useless material device of throwing of danger is connected to the pyrolysis kiln, the combustion chamber passes through combustor burning natural gas, and organic danger is useless to be followed the useless material device of throwing of danger gets into the pyrolysis kiln.
The cracking kiln is connected to the ETO incinerator through a pipeline, the high-temperature quenching heat exchanger comprises a high-temperature section of the high-temperature quenching heat exchanger and a low-temperature section of the high-temperature quenching heat exchanger, the ETO incinerator is connected to the high-temperature section of the high-temperature quenching heat exchanger, the high-temperature section of the high-temperature quenching heat exchanger is connected to the low-temperature section of the high-temperature quenching heat exchanger, and the thermal refrigeration system is connected to the low-temperature section of the high-temperature quenching heat.
The low-temperature section of the high-temperature quenching heat exchanger is connected to the semi-dry type dust removal tower, the semi-dry type dust removal tower is connected to the dust and dioxin removal equipment, the dust and dioxin removal equipment is connected to the alkaline washing tower through an induced draft fan, the alkaline washing tower is connected to the oxidation absorption tower, and the oxidation absorption tower is connected to a chimney.
The useless material device of throwing of danger below is equipped with the drip chamber, and the useless danger of storing the storehouse of organic danger is useless follows the useless material device of throwing of danger gets into the pyrolysis kiln, the below of pyrolysis kiln is equipped with product active carbon cooling arrangement.
The high temperature rapid cooling heat exchanger low temperature section with be equipped with the flue gas draught fan on the pipeline between the semi-dry dusting tower, high temperature rapid cooling heat exchanger low temperature section with connect through the hot water circulation pipeline between the thermal refrigeration system, the useless warehouse of organic danger is connected to through the new trend forced draught blower high temperature rapid cooling heat exchanger high temperature section, high temperature rapid cooling heat exchanger high temperature section is connected to through high temperature air recovery pipeline the pyrolysis kiln.
The semi-dry type dedusting tower is connected to an alkaline liquid pool A through a pipeline, the alkaline washing tower is connected to an alkaline liquid pool B through a circulating pipeline, and the oxidation absorption tower is connected to an oxidation alkaline liquid pool through a circulating pipeline.
The utility model has the advantages that:
1. the utility model relates to an organic danger of useless processing system of organic danger is useless stores up danger in warehouse and is useless after sending to schizolysis gasification system, with all organic matters schizolysis gasification in the schizolysis system, the ETO incinerator that the gaseous entering pyrolysis gas incineration disposal system that gasifies comes out carries out the postcombustion, then enter into high temperature rapid cooling heat exchanger, high-temperature air and low-pressure steam of production, wherein high-temperature air is input to ETO incinerator and schizolysis system as combustion-supporting air and the low-pressure steam is input to the refrigeration system and is produced the refrigerated water and supply the workshop and use, the exhaust flue gas is sent to the half dry gas wash tower among the flue gas disposal system after burning, then get into the dust removal and remove dioxin equipment, the flue gas of getting rid of dust and dioxin is impressed into the alkaline washing tower through the fan, then send to the oxidation absorption tower again, flue gas up to standard;
2. the utility model relates to an organic dangerous useless processing system adopts the mode of high-efficient pipe high temperature chiller, and the flue gas sharply passes through high-efficient heat exchanger and sharply cools down to below 200 ℃, adopts the air that gets into the system to cool down, retrieves the heat and sends back to the system of burning to reduce the consumption of fuel such as natural gas by a wide margin, can rely on the decomposition heat of self to maintain the system and move under high temperature even when the organic matter content in the danger is useless is higher, and realize heat balance, need not extra consumption fuel;
3. the utility model relates to a hot water output from the rear section of a high-temperature quenching heat exchanger of an organic hazardous waste disposal system is matched with a thermal refrigeration system to cool the whole factory building and office, fully utilize waste heat, and ensure the working environment of the whole factory to be comfortable, thereby achieving the purposes of energy conservation and emission reduction;
4. the utility model relates to an organic hazardous waste disposal system jointly uses the deacidification tower, the used solution of oxidation tower is sent to the alkaline washing tower, the used solution of alkaline washing tower is sent to the half-type deacidification tower, gasify in the deacidification tower and obtain solid salt, thereby make the whole system not have the waste water to produce;
5. the combustion air of the organic hazardous waste disposal system comes from a closed storage warehouse, and the unorganized volatile waste gas generated in the warehouse and in the feeding process is sent into the system for burning, so that the unorganized volatile gas in the warehousing process is ensured not to overflow;
6. the utility model relates to an organic hazardous waste disposal system which can prepare the byproduct active carbon while processing hazardous waste, and comprehensively utilize resources;
7. the highest working pressure of the whole system is lower than 50KPa, the working pressure is low, the supervision of a pressure container is not needed, and the system safety is higher.
Drawings
Figure 1 is the utility model discloses a structural schematic diagram of useless processing system of organic danger
In the figure: the system comprises a cracking gasification system 1, a pyrolysis gas incineration treatment system 2, a flue gas treatment system after incineration 3, a cracking kiln 4, a combustion chamber 5, a hazardous waste feeding device 6, an ETO incinerator 7, a thermal refrigeration system 8, a semi-dry type dust removal tower 9, a dioxin removal device 10, an alkaline tower 11, an oxidation absorption tower 12, a burner 13, a high-temperature quenching heat exchanger high-temperature section 14, a high-temperature quenching heat exchanger low-temperature section 15, a draught fan 16, a chimney 17, a settling chamber 18, an organic hazardous waste storage warehouse 19, a product active carbon cooling device 20, a high-temperature air recovery pipeline 21, a fresh air blower 22, an alkali liquor pool A23, an alkali liquor pool A24, an oxidation alkali liquor pool 25 and a flue gas draught fan 26.
Detailed Description
The present invention will be further described with reference to fig. 1, but the scope of the present invention is not limited to the description.
In which like parts are designated by like reference numerals. It is noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component, and the drawings are in greatly simplified form and employ non-precise ratios, merely for the purpose of facilitating and distinctly aiding in the description of the embodiments of the present invention.
In the following description, for purposes of clarity, not all features of an actual implementation are described, well-known functions or constructions are not described in detail since they would obscure the invention with unnecessary detail, it being understood that in the development of any actual embodiment, numerous implementation details must be set forth in order to achieve the developer's specific goals, such as compliance with system-related and business-related constraints, changing from one implementation to another, and it being recognized that such development efforts may be complex and time consuming, but would nevertheless be a routine undertaking for those of ordinary skill in the art.
The utility model provides an organic danger is useless deals with system, it includes schizolysis gasification system 1, pyrolysis gas burns processing system 2 and burns back flue gas processing system 3, pyrolysis gas burns processing system 2 and connects the rear end at schizolysis gasification system 1, burn back flue gas processing system 3 and connect the rear end at pyrolysis gas burning processing system 2, schizolysis gasification system 1 includes pyrolysis kiln 4, combustion chamber 5 and dangerous waste material throw material device 6, pyrolysis gas burns processing system 2 and includes ETO incinerator 7, high temperature rapid cooling heat exchanger and thermal refrigeration system 8, burn back flue gas processing system 3 and include 9 semi-dry gas wash towers, remove the dioxin equipment 10 in the dust removal, alkaline tower 11 and oxidation absorption tower 12.
The cracking kiln 4 is connected to the ETO incinerator 7 through a pipeline, the high-temperature quenching heat exchanger comprises a high-temperature section 14 of the high-temperature quenching heat exchanger and a low-temperature section 15 of the high-temperature quenching heat exchanger, the ETO incinerator 7 is connected to the high-temperature section 14 of the high-temperature quenching heat exchanger, the high-temperature section 14 of the high-temperature quenching heat exchanger is connected to the low-temperature section 15 of the high-temperature quenching heat exchanger, and the thermal refrigeration system 8 is connected to the low-temperature section 15.
The low-temperature section 15 of the high-temperature quenching heat exchanger is connected to a semi-dry type dust removal tower 9, the semi-dry type dust removal tower 9 is connected to a dust and dioxin removal device 10, the dust and dioxin removal device 10 is connected to an alkaline washing tower 11 through an induced draft fan 16, the alkaline washing tower 11 is connected to an oxidation absorption tower 12, and the oxidation absorption tower 12 is connected to a chimney 17.
The below of dangerous useless charging device 6 is equipped with the deposit room 18, and the useless danger that stores up warehouse 19 of organic danger gets into pyrolysis kiln 4 from dangerous useless charging device 6, and the below of pyrolysis kiln 4 is equipped with product active carbon cooling arrangement 20.
A flue gas induced draft fan 26 is arranged on a pipeline between the low-temperature section 15 of the high-temperature quenching heat exchanger and the semi-dry type dust removal tower 9, the low-temperature section 15 of the high-temperature quenching heat exchanger is connected with the thermal refrigeration system 8 through a hot water circulating pipeline 21, the organic hazardous waste storage warehouse 19 is connected to the high-temperature section 14 of the high-temperature quenching heat exchanger through a fresh air blower 22, and the high-temperature section 14 of the high-temperature quenching heat exchanger is connected to the cracking kiln 4 through a high-temperature air recovery pipeline 21.
The semi-dry type dust removal tower 9 is connected to an alkaline liquid pool A23 through a pipeline, the alkaline washing tower 11 is connected to an alkaline liquid pool B24 through a circulating pipeline, and the oxidation absorption tower 12 is connected to an oxidation alkaline liquid pool 25 through a circulating pipeline.
The hazardous waste of an organic hazardous waste storage warehouse 19 enters a cracking gasification system 1, the gas which is analyzed and gasified enters an ETO incinerator 7 in a cracking gas incineration treatment system 2 for secondary combustion, then enters a high-temperature quenching heat exchanger, the generated low-pressure steam is input into a thermal refrigeration system 8, the discharged flue gas is sent to a semi-dry dust removal tower 9 in a flue gas treatment system 3 after incineration, then enters a device 10 for removing dust and dioxin, the flue gas from which dust and dioxin are removed is pressed into an alkaline tower 11 by a fan, is placed in the alkaline tower 11, then is sent to an oxidation absorption tower 12, and the flue gas reaching the standard is discharged in high altitude.
The dangerous useless entering pyrolysis gasification system 1 of useless storage warehouse 19 of organic danger passes through gasification section, schizolysis section, carbonization section, the activation district in pyrolysis kiln 4 in proper order, and the active carbon that the activation was accomplished is sent out to product active carbon cooling arrangement 20 and is cooled off, obtains the crude product of active carbon after the cooling, and the gas that the desorption gasification came out enters into pyrolysis gas incineration processing system 2.
The dust and dioxin removing equipment 10 comprises a bag-type dust remover and a dioxin adsorption device, an activated carbon powder mixer is arranged at the front end of the bag-type dust remover, smoke cooled by a semi-dry dust removal tower 9 is sent to the dioxin adsorption device, then enters the activated carbon powder mixer, is mixed with powdered activated carbon to adsorb dioxin, and is finally sent to the bag-type dust remover to be removed along with dust.
The system is used for adsorbing the activated carbon of an organic solvent and recovering the organic solvent (national dangerous waste record HW 06), waste engine oil materials (national dangerous waste record HW 08) and distillation residues (national dangerous waste record HW 11), organic matters in cracking gasification are incinerated, and finally activated carbon products are recovered. The rated processing capacity of the system per hour is 3 tons per hour; pretreating activated carbon and engine oil adsorbing organic solvent, conveying to a cracking gasification system 1 through a conveyor, heating by adopting natural gas, gradually heating in a cracking kiln 4, firstly passing through a gasification section, heating the material to 200-300 ℃, and volatilizing lower molecular weight organic matters in the material into gas; then passing through a cracking section, heating to 300-500 ℃, and cracking a part of large molecular weight organic matters into small molecular weight gasification; then the materials are heated to 800 ℃ in a carbonization section, the organic matters in the materials are completely carbonized, and the highest temperature is heated to 1300 ℃ in the next step, so that the organic matters are completely decomposed and carbonized; then, the residual carbon is activated by adopting water vapor, carbon dioxide, oxygen and the like through an activation area, so that the carbon is changed into a porous structure; the activated carbon is sent to a product activated carbon cooling device 24 for cooling, a crude activated carbon product is obtained after cooling, then various activated carbon products are obtained after subsequent processing, the activated carbon with the organic matters resolved is gradually cooled, then the activated carbon is sent out of the cracking kiln 4, the regeneration is completed, and about 0.2-0.4 ton of regenerated carbon can be generated by each ton of recovered activated carbon in the process; the gas obtained by resolving and gasifying firstly passes through a cyclone dust collector to remove large particles which can be brought by a fan, and then is sent to an ETO incinerator 7, the resolved gas is treated at the high temperature of 900 plus 1100 ℃, partial air and natural gas are supplemented in the ETO incinerator 7 according to the actual working conditions to maintain the ultra-clean combustion of the incinerator, the content of organic matters in the flue gas after combustion is controlled below 2mg/m, and the extremely low content of the organic matters greatly reduces the rate of dioxin generation when the temperature of the flue gas is reduced; the waste gas discharged from the high-temperature incinerator is sent to a high-temperature quenching heat exchanger, the high-temperature quenching heat exchanger adopts a high-efficiency pipe design, the temperature is sharply reduced to be below 200 ℃ within 0.5s, and the content of organic matters in the smoke is extremely low and the temperature is sharply reduced, so that the formation of dioxin is greatly reduced; the cold fluid side of the high-temperature quenching heat exchanger is mainly water and new air entering the system; the air entering the system is directly preheated to more than 600 ℃, so that the natural gas consumption of the system is greatly reduced, the waste gas amount in the treatment process is reduced, and the energy consumption is greatly reduced; the circulating water part directly obtains low-pressure steam below 50KPa, and then the low-pressure steam is input into a thermal refrigeration system 8 to generate cold water for air conditioning of a whole plant, workshop cooling and the like; the flue gas discharged from the rapid cooling heat exchanger is sent to a semi-dry type deacidification tower 9, acid gas in the process of absorption is removed by adopting alkali liquor, hydrochloric acid, sulfur dioxide, high-valence nitrogen oxides and the like are removed, the alkali liquor atomized and sprayed into the tower is quickly gasified to become particles which fall into the tower bottom to be removed, and the solution of the semi-dry type deacidification tower 9 comes from an oxidation absorption tower and an alkaline washing tower at the rear end, so that the whole system cannot generate waste water; the semi-dry deacidification tower 9 further reduces the temperature of the flue gas, controls the temperature to be about 120 ℃, sends the cooled flue gas to a dioxin adsorption device, mixes powdered activated carbon into the flue gas to adsorb dioxin, and then sends the flue gas to a bag-type dust remover to remove the dioxin along with dust; the flue gas from which the dust is removed is pressed into an alkaline tower 11 through a fan, high-valence nitrogen oxides and sulfur dioxide in the alkaline tower 11 are removed, then the flue gas is sent to an oxidation absorption tower 12, an oxidant is mixed into alkali liquor in the oxidation absorption tower 12, the low-valence nitrogen oxides in the flue gas are completely absorbed, and the flue gas reaches the standard and is discharged at high altitude; fresh air entering the incineration system is drawn from the closed storage warehouse, thereby preventing the waste gas released inorganically from the storage warehouse from spilling over to pollute the environment or to accumulate.
Although the invention has been shown and described in detail with respect to the preferred embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (7)
1. The utility model provides an organic dangerous useless processing system which characterized in that: it includes pyrolysis gasification system (1), pyrolysis gas incineration disposal system (2) and burns back flue gas processing system (3), pyrolysis gas incineration disposal system (2) are connected the rear end of pyrolysis gasification system (1), burn back flue gas processing system (3) and connect the rear end of pyrolysis gas incineration disposal system (2), pyrolysis gasification system (1) includes pyrolysis kiln (4), combustion chamber (5) and dangerous useless feeding device (6), pyrolysis gas incineration disposal system (2) include ETO incinerator (7), high temperature rapid cooling heat exchanger and heat refrigerating system (8), burn back flue gas processing system (3) and include half dry gas wash tower (9), remove dust and remove dioxin equipment (10), caustic wash tower (11) and oxidation absorption tower (12).
2. The organic hazardous waste disposal system of claim 1, wherein: combustor (5) with pyrolysis kiln (4) are connected, danger is useless throws material device (6) and is connected to pyrolysis kiln (4), combustor (5) are through combustor (13) natural gas of burning, and organic danger is useless to be followed danger is useless throws material device (6) and gets into pyrolysis kiln (4).
3. The organic hazardous waste disposal system of claim 2, wherein: the cracking kiln (4) is connected to the ETO incinerator (7) through a pipeline, the high-temperature quenching heat exchanger comprises a high-temperature quenching heat exchanger high-temperature section (14) and a high-temperature quenching heat exchanger low-temperature section (15), the ETO incinerator (7) is connected to the high-temperature quenching heat exchanger high-temperature section (14), the high-temperature quenching heat exchanger high-temperature section (14) is connected to the high-temperature quenching heat exchanger low-temperature section (15), and a thermal refrigeration system (8) is connected to the high-temperature quenching heat exchanger low-temperature section (15).
4. The organic hazardous waste disposal system of claim 3, wherein: high temperature rapid cooling heat exchanger low temperature section (15) are connected to semi-dry gas wash tower (9), semi-dry gas wash tower (9) are connected to remove dust and remove dioxin equipment (10), remove dust and remove dioxin equipment (10) and be connected to through draught fan (16) alkaline washing tower (11), alkaline washing tower (11) are connected to oxidation absorption tower (12), oxidation absorption tower (12) are connected to chimney (17).
5. The organic hazardous waste disposal system of claim 4, wherein: the below of dangerous useless charging device (6) is equipped with deposit room (18), and the useless follow of danger of storage warehouse (19) is useless to organic danger the useless charging device (6) of danger gets into pyrolysis kiln (4), the below of pyrolysis kiln (4) is equipped with product active carbon cooling arrangement (20).
6. The organic hazardous waste disposal system of claim 5, wherein: high temperature rapid cooling heat exchanger low temperature section (15) with be equipped with flue gas draught fan (26) on the pipeline between semi-dry dusting tower (9), high temperature rapid cooling heat exchanger low temperature section (15) with connect through hot water circulation pipeline between heat refrigerating system (8), organic danger is useless stores up storehouse (19) and is connected to through new trend forced draught blower (22) high temperature section (14) of high temperature rapid cooling heat exchanger, high temperature rapid cooling heat exchanger high temperature section (14) are connected to through high temperature air recovery pipeline (21) pyrolysis kiln (4).
7. The organic hazardous waste disposal system of claim 1, wherein: the semi-dry type dust removal tower (9) is connected to an alkaline liquid pool A (23) through a pipeline, the alkaline washing tower (11) is connected to an alkaline liquid pool B (24) through a circulating pipeline, and the oxidation absorption tower (12) is connected to an oxidation alkaline liquid pool (25) through a circulating pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922054954.1U CN212425970U (en) | 2019-11-25 | 2019-11-25 | Organic hazardous waste disposal system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922054954.1U CN212425970U (en) | 2019-11-25 | 2019-11-25 | Organic hazardous waste disposal system |
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| Publication Number | Publication Date |
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| CN212425970U true CN212425970U (en) | 2021-01-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922054954.1U Expired - Fee Related CN212425970U (en) | 2019-11-25 | 2019-11-25 | Organic hazardous waste disposal system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114100318A (en) * | 2021-11-30 | 2022-03-01 | 湖南江冶机电科技股份有限公司 | Waste gas reduction and harmless treatment method in waste lithium battery recovery process |
-
2019
- 2019-11-25 CN CN201922054954.1U patent/CN212425970U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114100318A (en) * | 2021-11-30 | 2022-03-01 | 湖南江冶机电科技股份有限公司 | Waste gas reduction and harmless treatment method in waste lithium battery recovery process |
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Granted publication date: 20210129 Termination date: 20211125 |