CN215352781U - Device for treating waste gas in waste battery crushing process - Google Patents
Device for treating waste gas in waste battery crushing process Download PDFInfo
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- CN215352781U CN215352781U CN202122151173.1U CN202122151173U CN215352781U CN 215352781 U CN215352781 U CN 215352781U CN 202122151173 U CN202122151173 U CN 202122151173U CN 215352781 U CN215352781 U CN 215352781U
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- 239000002912 waste gas Substances 0.000 title claims abstract description 70
- 238000000034 method Methods 0.000 title claims abstract description 19
- 239000010926 waste battery Substances 0.000 title claims abstract description 19
- 230000008569 process Effects 0.000 title claims abstract description 18
- 238000005406 washing Methods 0.000 claims abstract description 70
- 239000003513 alkali Substances 0.000 claims abstract description 63
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 44
- 238000006303 photolysis reaction Methods 0.000 claims abstract description 33
- 230000015843 photosynthesis, light reaction Effects 0.000 claims abstract description 29
- 239000007921 spray Substances 0.000 claims abstract description 28
- 239000007789 gas Substances 0.000 claims abstract description 26
- 239000000428 dust Substances 0.000 claims abstract description 23
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 18
- 238000001179 sorption measurement Methods 0.000 claims abstract description 18
- 239000000843 powder Substances 0.000 claims abstract description 11
- 238000001816 cooling Methods 0.000 claims abstract description 3
- 238000005507 spraying Methods 0.000 claims description 38
- 239000007788 liquid Substances 0.000 claims description 7
- 230000007246 mechanism Effects 0.000 claims description 7
- 238000001914 filtration Methods 0.000 claims description 3
- 238000004332 deodorization Methods 0.000 claims description 2
- 230000001699 photocatalysis Effects 0.000 claims description 2
- 238000007146 photocatalysis Methods 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims description 2
- 229910052799 carbon Inorganic materials 0.000 abstract description 8
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 8
- 229910052744 lithium Inorganic materials 0.000 description 8
- 238000011282 treatment Methods 0.000 description 6
- 238000004064 recycling Methods 0.000 description 4
- 238000005201 scrubbing Methods 0.000 description 4
- 239000002253 acid Substances 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000007774 positive electrode material Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 239000010405 anode material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 241000220317 Rosa Species 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 239000006258 conductive agent Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- QHGJSLXSVXVKHZ-UHFFFAOYSA-N dilithium;dioxido(dioxo)manganese Chemical compound [Li+].[Li+].[O-][Mn]([O-])(=O)=O QHGJSLXSVXVKHZ-UHFFFAOYSA-N 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 238000011369 optimal treatment Methods 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000010815 organic waste Substances 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
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- Treating Waste Gases (AREA)
Abstract
The utility model provides a device for treating waste gas in a waste battery crushing process, which comprises a bag-type dust remover, a workshop water curtain cabinet, a condenser and a washing system, wherein the bag-type dust remover is communicated with a negative pressure adsorption system; the washing system includes the multistage alkali that communicates mutually with condenser end of giving vent to anger, with the UV photolysis tower that multistage alkali sprays the washing tower end of giving vent to anger and communicate mutually and with the active carbon adsorption tower that UV photolysis tower end of giving vent to anger communicates mutually. When the waste gas is treated, black powder mixed in the waste gas is recycled through the bag-type dust collector, and then the waste gas is subjected to primary washing, primary cooling, multi-stage washing, UV photolysis and activated carbon adsorption, so that the waste gas is efficiently treated, and finally the tail gas reaching the standard is discharged into the atmosphere.
Description
Technical Field
The utility model relates to the technical field of waste gas treatment devices, in particular to a device for treating waste gas in a waste battery crushing process.
Background
The waste battery is a used and discarded battery. The lithium ion battery mainly comprises a positive electrode material, a negative electrode material, a diaphragm, a binder, a conductive agent and the like, wherein the positive electrode material mainly comprises lithium cobaltate, lithium manganate, lithium nickelate, lithium iron phosphate, a ternary material and the like. Lithium cobaltate is a typical positive electrode material, is widely used in daily life due to high capacity and strong cycling stability, cobalt and lithium in the lithium cobaltate have high recovery value as rare metal elements, and the battery contains a large amount of noble metals and rare elements, so that the battery is not only harmful to water and soil environments, but also has rich metal resource development value, and is not suitable to be treated as common household garbage, and the optimal treatment mode is recycling. The cyclic resource utilization refers to a recycling process of preparing a valuable product which is the same as or similar to the product performance through reasonable decomposition and recombination of a product after the product is scrapped. The recycling of the battery anode material means that the battery anode material is prepared into a new battery material according to a certain formula after the battery is scrapped through element decomposition.
When the waste lithium battery is used for treating and recycling useful metals (commonly called black powder, such as Fe, Co, Mn and the like), the waste lithium battery needs to be subjected to procedures of crushing, drying and the like, a large amount of waste gas and dust can be generated, the pollution degree to the environment is increased, and meanwhile, the waste lithium battery is not beneficial to the health of surrounding personnel. Because of containing organic gas in the waste gas and can be mingled with the black powder dust that produces when broken, adopt conventional exhaust treatment device on the market will not reach the purpose of collecting black powder to the treatment effect to waste gas is not good. Therefore, it is very important to develop a device for treating waste gas generated in the process of crushing waste batteries.
SUMMERY OF THE UTILITY MODEL
The utility model provides a device for treating waste gas in a waste battery crushing process, which aims to solve the problems in the background technology, collect black powder mixed in the waste gas, efficiently treat the waste gas and avoid the possibility of environmental pollution.
The technical scheme of the utility model is realized as follows:
a device for treating waste gas in the crushing process of waste batteries comprises a bag-type dust collector, a workshop water curtain cabinet, a condenser and a washing system, wherein the bag-type dust collector is communicated with a negative pressure adsorption system and used for removing dust from the waste gas and collecting black powder mixed in the waste gas; the washing system includes that the end intercommunication is given vent to anger with the condenser multistage alkali sprays the scrubbing tower, give vent to anger with multistage alkali sprays the scrubbing tower and give vent to anger the end intercommunication and be arranged in decomposing the UV photolysis tower of organic matter in the waste gas and give vent to anger the end intercommunication with UV photolysis tower and be used for adsorbing filterable active carbon adsorption tower to waste gas.
According to the technical scheme, the multistage alkali spraying washing tower comprises a first-stage alkali spraying washing tower and a second-stage alkali spraying washing tower which is communicated with the air outlet end of the first-stage alkali spraying washing tower and has the same structure with the first-stage alkali spraying washing tower, the air inlet end of the first-stage alkali spraying washing tower is communicated with the air outlet end of a condenser, and the air outlet end of the second-stage alkali spraying washing tower is communicated with the air inlet end of a UV photolysis tower.
According to the further optimized technical scheme, the primary alkali spraying washing tower comprises a washing tower body, wherein an air inlet pipe and an S-shaped air outlet pipe are arranged on the washing tower body, and a fan is arranged on the S-shaped air outlet pipe; the washing tower is internally provided with a spray header for spraying alkali liquor, a filling layer arranged below the spray header and used for fully contacting the sprayed alkali liquor and the waste gas, and a demisting layer arranged above the spray header and used for removing moisture in the waste gas, wherein the spray header is communicated with and provided with a circulating liquid supply mechanism used for collecting the sprayed alkali liquor and providing the alkali liquor for the spray header.
Further optimize technical scheme, circulation supplies liquid mechanism including setting up the circulating water tank at the washing tower internal portion, and circulating water tank's top is provided with the filter, is provided with the inlet tube that is used for providing the clear water on the circulating water tank and is used for adding the medicine feeder of alkali lye to circulating water tank, and circulating water tank is linked together through shower and shower head, is provided with the water pump on the shower.
Further optimizing the technical scheme, still be provided with the pH electrode that inserts to the inside pH value of circulating water tank and is used for detecting alkali lye on the circulating water tank.
According to the technical scheme, the filling layer and the demisting layer are Raschig ring filling layers.
According to the further optimized technical scheme, a filter box is further arranged between the air outlet end of the secondary alkali spraying washing tower and the air inlet end of the UV photolysis tower.
Further optimize technical scheme, the UV photodissociation tower includes the photodissociation tower body and sets up the UV fluorescent tube in the inside of photodissociation tower body.
Further optimizing the technical scheme, the air outlet end of the activated carbon adsorption tower is connected with an exhaust fan.
By adopting the technical scheme, the utility model has the beneficial effects that:
when the waste gas is treated, black powder mixed in the waste gas is recycled through the bag-type dust collector, the waste gas is primarily washed through the workshop water curtain cabinet, the waste gas is cooled through the condenser, organic matters, acid mist and micro dust contained in the waste gas are absorbed and washed in the washing tower through the multi-stage alkali spraying washing tower, then the waste gas enters the UV photolysis tower for photolysis, most organic gas components in the waste gas are further removed, finally the active carbon adsorption tower adsorbs a small amount of organic gas which is difficult to remove in the gas, and finally the tail gas reaching the standard is discharged into the atmosphere, so that the high-efficiency treatment of the waste gas is realized, and the possibility of environmental pollution is avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a primary alkali spray scrubber according to the present invention;
FIG. 3 is a schematic view of the internal structure of the UV photolysis tower according to the present invention;
FIG. 4 is a side view of a UV photolysis tower according to the present invention.
Wherein: 1. the sack cleaner, 2, workshop cascade cabinet, 3, the condenser, 4, one-level alkali sprays the scrubbing tower, 41, the washing tower body, 42, the circulation supplies liquid mechanism, 421, circulation tank, 422, the inlet tube, 423, the filter, 424, the doser, 425, the explosive storage bucket, 426, the shower, 427, the water pump, 43, the shower head, 44, the filling layer, 45, defogging layer, 46, S type outlet duct, 47, the PH electrode, 48, the fan, 5, second grade alkali sprays the scrubbing tower, 6, UV photolysis tower, 61, the photolysis tower body, 62, the UV fluorescent tube, 7, the active carbon adsorption tower, 8, the rose box, 9, the exhaust fan.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A device for treating waste gas in a waste battery crushing process is shown in a combined manner in figures 1 to 4 and comprises a bag-type dust collector 1, a workshop water curtain cabinet 2, a condenser 3 and a washing system.
The bag-type dust collector 1 is communicated with the negative pressure adsorption system and is used for removing dust from the waste gas and collecting black powder mixed in the waste gas. The negative pressure adsorption system comprises a negative pressure fan and a pipeline, and the pipeline is communicated with the exhaust end of the waste battery treatment equipment.
The workshop water curtain cabinet 2 is communicated with the air outlet end of the bag-type dust collector 1 and is used for carrying out primary washing on waste gas.
The condenser 3 is communicated with the air outlet end of the workshop water curtain cabinet 2 and is used for preliminarily cooling waste gas.
The washing system is communicated with the air outlet end of the condenser 3 and is used for carrying out alkali washing, UV photocatalysis and deodorization on the waste gas.
The washing system comprises a multi-stage alkali spray washing tower, a UV photolysis tower 6 and an activated carbon adsorption tower 7.
The multi-stage alkali spraying washing tower is communicated with the gas outlet end of the condenser 3 and is used for adsorbing acid gas in waste gas. The multistage alkali spraying washing tower comprises a first-stage alkali spraying washing tower 4 and a second-stage alkali spraying washing tower 5 which is communicated with the air outlet end of the first-stage alkali spraying washing tower 4 and has the same structure with the first-stage alkali spraying washing tower 4, the air inlet end of the first-stage alkali spraying washing tower 4 is communicated with the air outlet end of the condenser 3, and the air outlet end of the second-stage alkali spraying washing tower 5 is communicated with the air inlet end of the UV photolysis tower 6.
The primary alkali spraying washing tower 4 comprises a washing tower body 41, wherein an air inlet pipe and an S-shaped air outlet pipe 46 are arranged on the washing tower body 41, and a fan 48 is arranged on the S-shaped air outlet pipe 46. The washing tower body 41 is provided with a shower head 43, a packed layer 44, and a defogging layer 45. The spray header 43 is used for spraying the alkali liquor. The packed layer 44 is disposed below the spray header 43 for allowing the sprayed alkali to be sufficiently contacted with the exhaust gas. The defogging layer 45 is disposed above the shower head 43 for removing moisture from the exhaust gas.
The filling layer 44 and the demisting layer 45 are both Raschig ring filling layers.
The spray header 43 is communicated with a circulating liquid supply mechanism 42 for collecting and spraying the alkali liquor and supplying the alkali liquor to the spray header 43. The circulating liquid supply mechanism 42 comprises a circulating water tank 421 arranged inside the washing tower body 41, a filter plate 423 is arranged at the top end of the circulating water tank 421, a water inlet pipe 422 for providing clean water and a chemical adding machine 424 for adding alkali liquor into the circulating water tank 421 are arranged on the circulating water tank 421, the circulating water tank 421 is communicated with the spray header 43 through a spray pipe 426, and a water pump 427 is arranged on the spray pipe 426. The dosing machine 424 is communicated with a medicine storage barrel 425 containing alkali liquor through a pipeline.
The filter plate 423 that sets up is used for filtering the interior large granule thing of tower to avoid blockking up the water pump, played the guard action to the water pump.
The circulating water tank 421 is further provided with a pH electrode 47, and the pH electrode 47 is inserted into the circulating water tank 421 and used for detecting the pH value of the alkali liquor.
The UV photolysis tower 6 is communicated with the gas outlet end of the multi-stage alkali spraying washing tower and is used for decomposing organic gas in waste gas. The UV photolysis tower 6 includes a photolysis tower body 61 and a UV lamp tube 62 disposed inside the photolysis tower body 61.
And a filter box 8 is also arranged between the air outlet end of the secondary alkali spraying washing tower 5 and the air inlet end of the UV photolysis tower 6, and the filter box 8 is used for further filtering the secondary washed gas.
The active carbon adsorption tower 7 is linked together with the end of giving vent to anger of UV photodissociation tower 6 for adsorb and filter waste gas, adsorb the gas that can't degrade to get rid of (containing the organic gas that has the stink), the end of giving vent to anger of active carbon adsorption tower 7 is connected with exhaust fan 9.
When the waste gas is treated, the waste gas discharged from the waste battery crushing device enters the bag-type dust remover 1 through the pipeline under the action of the negative pressure fan, and the bag-type dust remover 1 not only can be used for carrying out dust reduction treatment on dust in the waste gas, but also can be used for collecting black powder in the waste gas, so that the black powder with recovery value in the waste gas is effectively recovered. The waste gas after the bag dust removal enters the workshop water curtain cabinet 2, and the workshop water curtain cabinet 2 is used for carrying out primary washing on the waste gas. The exhaust gas then enters the condenser 3 for temperature reduction.
The waste gas discharged from the gas outlet end of the condenser 3 enters a first-stage alkali spraying washing tower 4, and organic matters, acid mist and micro dust contained in the gas are absorbed and washed in the washing tower through alkali liquor by the washing tower. Then, the waste gas enters a secondary alkali spray washing tower 5 for secondary washing. The waste gas after the secondary washing enters the UV photolysis tower 6, and the UV photolysis tower 6 decomposes organic matters in the waste gas into water and carbon dioxide by utilizing the decomposition effect of ultraviolet light. Most of the organic gas components are removed. A small amount of organic waste gas which is difficult to remove in the waste gas enters an active carbon adsorption tower 7, the active carbon adsorption tower 7 adsorbs a small amount of organic gas contained in the gas, and finally the tail gas reaching the standard is discharged into the atmosphere.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (9)
1. The utility model provides a device for handling waste gas among broken process of old and useless battery which characterized in that: the device comprises a bag-type dust collector (1) which is communicated with a negative pressure adsorption system and is used for removing dust from waste gas and collecting black powder mixed in the waste gas, a workshop water curtain cabinet (2) which is communicated with the gas outlet end of the bag-type dust collector (1) and is used for carrying out primary washing on the waste gas, a condenser (3) which is communicated with the gas outlet end of the workshop water curtain cabinet (2) and is used for carrying out primary cooling on the waste gas, and a washing system which is communicated with the gas outlet end of the condenser (3) and is used for carrying out alkaline washing, UV photocatalysis and deodorization on the waste gas; the washing system comprises a multi-stage alkali spraying washing tower communicated with the air outlet end of the condenser (3), a UV photolysis tower (6) communicated with the air outlet end of the multi-stage alkali spraying washing tower and used for decomposing organic matters in the waste gas, and an activated carbon adsorption tower (7) communicated with the air outlet end of the UV photolysis tower (6) and used for adsorbing and filtering the waste gas.
2. The apparatus for treating waste gas generated in the crushing process of waste batteries according to claim 1, wherein: the multistage alkali spraying washing tower comprises a first-stage alkali spraying washing tower (4) and a second-stage alkali spraying washing tower (5) which is communicated with the air outlet end of the first-stage alkali spraying washing tower (4) and has the same structure with the first-stage alkali spraying washing tower (4), the air inlet end of the first-stage alkali spraying washing tower (4) is communicated with the air outlet end of a condenser (3), and the air outlet end of the second-stage alkali spraying washing tower (5) is communicated with the air inlet end of a UV photolysis tower (6).
3. The apparatus for treating waste gas generated in the crushing process of waste batteries according to claim 2, wherein: the primary alkali spraying washing tower (4) comprises a washing tower body (41), an air inlet pipe and an S-shaped air outlet pipe (46) are arranged on the washing tower body (41), and a fan (48) is arranged on the S-shaped air outlet pipe (46); the washing tower body (41) is internally provided with a spray header (43) for spraying alkali liquor, a filling layer (44) which is arranged below the spray header (43) and is used for fully contacting the spraying alkali liquor with the waste gas and a demisting layer (45) which is arranged above the spray header (43) and is used for removing moisture in the waste gas, wherein the spray header (43) is communicated with a circulating liquid supply mechanism (42) which is used for collecting the sprayed alkali liquor and supplying the alkali liquor to the spray header (43).
4. The apparatus for treating waste gas generated in the crushing process of waste batteries according to claim 3, wherein: the circulating liquid supply mechanism (42) comprises a circulating water tank (421) arranged inside the washing tower body (41), a filter plate (423) is arranged at the top end of the circulating water tank (421), a water inlet pipe (422) used for providing clean water and a chemical dosing machine (424) used for adding alkali liquor into the circulating water tank (421) are arranged on the circulating water tank (421), the circulating water tank (421) is communicated with a spray header (43) through a spray pipe (426), and a water pump (427) is arranged on the spray pipe (426).
5. The apparatus for treating waste gas generated in the crushing process of waste batteries according to claim 4, wherein: and a pH electrode (47) which is inserted into the circulating water tank (421) and is used for detecting the pH value of the alkali liquor is also arranged on the circulating water tank (421).
6. The apparatus for treating waste gas generated in the crushing process of waste batteries according to claim 3, wherein: the filling layer (44) and the demisting layer (45) are Raschig ring filling layers.
7. The apparatus for treating waste gas generated in the crushing process of waste batteries according to claim 2, wherein: and a filter box (8) is also arranged between the air outlet end of the secondary alkali spraying washing tower (5) and the air inlet end of the UV photolysis tower (6).
8. The apparatus for treating waste gas generated in the crushing process of waste batteries according to claim 1, wherein: UV photolysis tower (6) are including photolysis tower body (61) and set up UV fluorescent tube (62) in photolysis tower body (61) inside.
9. The apparatus for treating waste gas generated in the crushing process of waste batteries according to claim 1, wherein: and the air outlet end of the activated carbon adsorption tower (7) is connected with an exhaust fan (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122151173.1U CN215352781U (en) | 2021-09-07 | 2021-09-07 | Device for treating waste gas in waste battery crushing process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122151173.1U CN215352781U (en) | 2021-09-07 | 2021-09-07 | Device for treating waste gas in waste battery crushing process |
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| CN215352781U true CN215352781U (en) | 2021-12-31 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114307483A (en) * | 2022-02-21 | 2022-04-12 | 河北华强科技开发有限公司 | Steam dust removal system |
| CN115554838A (en) * | 2022-10-18 | 2023-01-03 | 山东钢铁集团日照有限公司 | A kind of cold-rolling wastewater peculiar smell treatment method |
| WO2024082652A1 (en) * | 2022-10-21 | 2024-04-25 | 上海第二工业大学 | Tail gas treatment system in crushing and sorting process of scrapped power lithium battery |
-
2021
- 2021-09-07 CN CN202122151173.1U patent/CN215352781U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114307483A (en) * | 2022-02-21 | 2022-04-12 | 河北华强科技开发有限公司 | Steam dust removal system |
| CN115554838A (en) * | 2022-10-18 | 2023-01-03 | 山东钢铁集团日照有限公司 | A kind of cold-rolling wastewater peculiar smell treatment method |
| WO2024082652A1 (en) * | 2022-10-21 | 2024-04-25 | 上海第二工业大学 | Tail gas treatment system in crushing and sorting process of scrapped power lithium battery |
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