CN219784283U - Heat treatment waste gas treatment device - Google Patents
Heat treatment waste gas treatment device Download PDFInfo
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- CN219784283U CN219784283U CN202321118171.5U CN202321118171U CN219784283U CN 219784283 U CN219784283 U CN 219784283U CN 202321118171 U CN202321118171 U CN 202321118171U CN 219784283 U CN219784283 U CN 219784283U
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- box body
- adsorption
- filter screen
- heat treatment
- pipe
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- 239000002912 waste gas Substances 0.000 title claims abstract description 35
- 238000010438 heat treatment Methods 0.000 title claims abstract description 30
- 238000001179 sorption measurement Methods 0.000 claims abstract description 52
- 239000000126 substance Substances 0.000 claims abstract description 30
- 239000007789 gas Substances 0.000 claims abstract description 28
- 238000001914 filtration Methods 0.000 claims abstract description 26
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 25
- 229920000742 Cotton Polymers 0.000 claims abstract description 24
- 239000012528 membrane Substances 0.000 claims abstract description 20
- 239000004810 polytetrafluoroethylene Substances 0.000 claims abstract description 19
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract description 19
- 238000009833 condensation Methods 0.000 claims abstract description 13
- 230000005494 condensation Effects 0.000 claims abstract description 13
- 239000007788 liquid Substances 0.000 claims abstract description 9
- 239000002023 wood Substances 0.000 claims description 10
- 239000002250 absorbent Substances 0.000 claims description 6
- 230000002745 absorbent Effects 0.000 claims description 6
- 238000012423 maintenance Methods 0.000 claims description 6
- 210000001503 joint Anatomy 0.000 claims description 3
- 229910002804 graphite Inorganic materials 0.000 abstract description 9
- 239000010439 graphite Substances 0.000 abstract description 9
- 239000010405 anode material Substances 0.000 abstract description 8
- 239000010815 organic waste Substances 0.000 abstract description 6
- 239000000243 solution Substances 0.000 description 16
- 239000000428 dust Substances 0.000 description 13
- 239000012535 impurity Substances 0.000 description 7
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 6
- 229910052799 carbon Inorganic materials 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 239000003792 electrolyte Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 3
- 150000001805 chlorine compounds Chemical class 0.000 description 3
- 239000004519 grease Substances 0.000 description 3
- 229910001416 lithium ion Inorganic materials 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 150000003568 thioethers Chemical class 0.000 description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- 241000220317 Rosa Species 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 150000002989 phenols Chemical class 0.000 description 2
- 125000005575 polycyclic aromatic hydrocarbon group Chemical group 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000010406 cathode material Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000019633 pungent taste Nutrition 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model discloses a heat treatment waste gas treatment device, which aims to treat organic waste gas generated by heat treatment of clean graphite anode materials, and adopts the technical scheme that: the heat treatment waste gas treatment device comprises a filtering module, an adsorption module and a condensation module which are sequentially connected, wherein the filtering module comprises a filtering box body, an air inlet pipe and an air outlet pipe which are arranged on the filtering box body, and a physical filter screen, a chemical filter screen and a modified PTFE filter membrane are sequentially arranged in the filtering box body along the flowing direction of gas; the adsorption module comprises an adsorption box body and a steam generator, the air outlet pipe is connected with the adsorption box body, an adsorption cotton body is arranged in the adsorption box body, and a connecting pipe is arranged on the adsorption box body; the condensing module comprises a condensing box body pre-stored with a treatment solution, the lower part of the condensing box body is communicated with a connecting pipe, an exhaust pipe is arranged at the top of the condensing box body, and a liquid outlet is arranged at the bottom of the condensing box body, and belongs to the technical field of waste gas treatment.
Description
Technical Field
The utility model belongs to the technical field of waste gas treatment, and particularly relates to a heat treatment waste gas treatment device.
Background
With the development of society, the demand of lithium ion batteries is rapidly increased, and a large number of scrapped lithium ion batteries are inevitably generated. For resource recycling, the scrapped lithium ion batteries need to be treated to recover the graphite anode materials therein.
Electrolyte is reserved on the graphite anode material, fluoride and hydrofluoric acid contained in the electrolyte can interfere or destroy the recovery process, so that the electrolyte needs to be removed in the recovery process; the common removal method is heat treatment, and the graphite anode material is subjected to heat treatment so as to remove electrolyte;
in the heat treatment process of the graphite anode material, high-concentration organic waste gas is generated, the components are complex, the graphite anode material has strong pungent taste, the graphite anode material can seriously pollute the air, and a great threat is generated to the human body, so that the heat treatment waste gas is required to be treated.
Disclosure of Invention
The utility model mainly aims to provide a heat treatment waste gas treatment device which can treat organic waste gas generated by heat treatment of clean graphite anode materials.
According to a first aspect of the present utility model, there is provided a heat treatment exhaust gas treatment apparatus, comprising a filtration module, an adsorption module and a condensation module connected in sequence, wherein the filtration module comprises a filtration box, an air inlet pipe and an air outlet pipe arranged on the filtration box, and a physical filter screen, a chemical filter screen and a modified PTFE filter membrane are sequentially arranged in the filtration box along the flow direction of gas;
the adsorption module comprises an adsorption box body and a steam generator, the air outlet pipe is connected with the adsorption box body, an adsorption cotton body is arranged in the adsorption box body, the steam generator is connected with the adsorption box body through a steam pipe, and a connecting pipe is arranged on the adsorption box body;
the condensing module comprises a condensing box body pre-storing treatment solution, the lower part of the condensing box body is communicated with a connecting pipe, the top of the condensing box body is provided with an exhaust pipe, and the bottom of the condensing box body is provided with a liquid outlet.
In the heat treatment waste gas treatment device, the adsorption cotton body comprises wood dust and active carbon, and the volume ratio of the wood dust to the active carbon is 1:0.5-1.5.
In the above heat treatment exhaust gas treatment device, the absorbent cotton body extends in a horizontal direction, one end of the absorbent box body in the extending direction of the absorbent cotton body is connected with the air outlet pipe, and the connecting pipe is arranged at the other end of the absorbent box body in the extending direction of the absorbent cotton body;
a plurality of gas-distributing pipes are arranged on the steam pipe at intervals along the extending direction of the adsorption cotton body, and the gas-distributing pipes are communicated with the adsorption box body and the steam pipe.
In the heat treatment waste gas treatment device, the bottom of the filtering box body is provided with filter residue openings corresponding to the physical filter screens and the chemical filter screens one by one, and the filter residue openings are detachably provided with collecting bags.
In the above-mentioned heat treatment exhaust gas treatment device, physical filter screen, chemical filter screen and modified PTFE filter membrane are along horizontal direction interval arrangement, be equipped with on the rose box with physical filter screen, chemical filter screen, modified PTFE filter membrane one-to-one maintain the mouth, maintenance mouth is last demountable installation has the apron, physical filter screen, chemical filter screen and modified PTFE filter membrane are all installed in the rose box with demountable mode.
In the above heat treatment waste gas treatment device, an extension tube is arranged in the condensation box body, the extension tube is in an inverted U shape, one end of the extension tube is an open end, and the other end of the extension tube is in butt joint with the connecting tube.
The heat treatment waste gas treatment device further comprises an air pump, wherein an air inflation pipe is arranged at the output end of the air pump, and the air inflation pipe extends into the condensing box body;
the outlet of the inflation tube is positioned below the open end of the extension tube.
One of the above technical solutions of the present utility model has at least one of the following advantages or beneficial effects:
in the utility model, the waste gas generated by heat treatment firstly passes through the filter module, and a physical filter screen, a chemical filter screen and a modified PTFE filter membrane in the filter module can remove particle impurities, dust and grease in the waste gas; the filtered waste gas reaches an adsorption module, the adsorption cotton body consists of wood dust and activated carbon, the wood dust can adsorb volatile organic matters such as organic sulfides, organic chlorides and the like and malodorous substances, and the activated carbon can adsorb benzene, phenols, polycyclic aromatic hydrocarbons and the like; the adsorbed waste gas reaches the condensation module, the treatment solution in the condensation module reacts with the waste gas to further clean the waste gas, and finally the gas discharged from the condensation module is free of dust, low in chemical substance residue and low in orientation molecules, so that the environment is not polluted.
Drawings
The utility model is further described below with reference to the drawings and examples;
FIG. 1 is a schematic view of a first embodiment of the present utility model;
fig. 2 is an exploded view of a filter module according to a first embodiment of the present utility model.
Wherein reference numerals for the respective figures:
1. a filtration module; 11. a filter box; 12. an air inlet pipe; 13. an air outlet pipe; 14. a physical filter screen; 15. a chemical filter screen; 16. a modified PTFE filter membrane; 17. a collection bag; 18. a maintenance port; 19. a cover plate;
2. an adsorption module; 21. an adsorption box body; 22. a steam generator; 23. adsorbing cotton bodies; 24. a steam pipe; 25. a connecting pipe; 26. a gas distribution pipe;
3. a condensing module; 31. a condensing box; 32. an exhaust pipe; 33. a liquid outlet; 34. a liquid adding port; 35. an extension tube; 36. an inflator pump; 37. and (5) an inflation tube.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present utility model and are not to be construed as limiting the present utility model.
The following disclosure provides many different embodiments, or examples, for implementing different aspects of the utility model.
Referring to fig. 1 to 2, in one embodiment of the present utility model, a heat treatment exhaust gas treatment apparatus includes a filter module 1, an adsorption module 2, and a condensation module 3 connected in sequence.
In the embodiment, the filter module 1 comprises a filter box 11, an air inlet pipe 12 and an air outlet pipe 13 which are arranged on the filter box 11, wherein a physical filter screen 14, a chemical filter screen 15 and a modified PTFE filter membrane 16 are sequentially arranged in the filter box 11 along the flowing direction of gas; in general, the air inlet pipe 12 and the air outlet pipe 13 are respectively arranged at two ends of the filtering box 11 in the length direction, the air inlet pipe 12 is connected with external heat treatment equipment, organic waste gas generated by heat treatment of the graphite cathode material is input into the filtering box 11 from the air inlet pipe 12, sequentially passes through the physical filter screen 14, the chemical filter screen 15 and the modified PTFE filter membrane 16, and is then discharged from the air outlet pipe 13;
the particle impurities and dust can be filtered out when the dust passes through the physical filter screen 14; the chemical filter screen 15 is a filter screen which is subjected to chemical treatment and has the function of selectively adsorbing harmful gases, and when the harmful gases pass through the chemical filter screen 15, some organic gases with very low boiling points in the waste gas react with the chemical filter screen 15 to form reaction impurities; the modified PTFE filter membrane 16 is a hydrophilic oleophobic membrane, and can remove grease in the waste gas;
the bottom of the filtering box 11 is provided with filter residue openings corresponding to the physical filter screen 14 and the chemical filter screen 15 one by one, the filter residue openings are detachably provided with the collecting bags 17, and particle impurities, dust and reaction impurities can fall into the collecting bags 17, so that the cleaning is convenient; a corresponding guide slope may be provided on the filter residue port to guide particulate impurities, dust or reaction impurities into the collection bag 17; the collecting bag 17 can be arranged on the slag filtering port in a magic tape or viscose mode, and the sealing is needed to be paid attention to during the installation, so that the exhaust gas is ensured not to leak;
the physical filter screen 14, the chemical filter screen 15 and the modified PTFE filter membrane 16 are arranged at intervals along the horizontal direction, the filter box 11 is provided with maintenance ports 18 which are in one-to-one correspondence with the physical filter screen 14, the chemical filter screen 15 and the modified PTFE filter membrane 16, the maintenance ports 18 are detachably provided with cover plates 19, and the physical filter screen 14, the chemical filter screen 15 and the modified PTFE filter membrane 16 are all detachably arranged in the filter box 11, so that the physical filter screen 14, the chemical filter screen 15 and the modified PTFE filter membrane 16 can be replaced conveniently; in general, the filtering box 11 is provided with a clamping groove, the physical filter screen 14, the chemical filter screen 15 and the modified PTFE filter membrane 16 are embedded into the clamping groove, the push-pull structure similar to a drawer is convenient to assemble and disassemble, the cover plate 19 prevents the filter screen from falling out, the cover plate 19 is generally fixed on the filtering box 11 in a threaded connection manner, and a sealing rubber ring is arranged on one surface of the cover plate 19 facing the filtering box 11, so that waste gas leakage can be avoided.
In the embodiment, the adsorption module 2 comprises an adsorption box body 21 and a steam generator 22, an adsorption cotton body 23 is arranged in the adsorption box body 21, the adsorption cotton body 23 comprises wood dust and active carbon, and the volume ratio of the wood dust to the active carbon is 1:0.5-1.5; the steam generator 22 is connected with the adsorption box body 21 through a steam pipe 24, and a connecting pipe 25 is arranged on the adsorption box body 21;
the adsorption cotton body 23 extends along the horizontal direction, one end of the adsorption box body 21 along the extension direction of the adsorption cotton body 23 is connected with the air outlet pipe 13, and the connecting pipe 25 is arranged at the other end of the adsorption box body 21 along the extension direction of the adsorption cotton body 23;
the filtered waste gas is input into an adsorption box body 21 from an air outlet pipe 13, the adsorption cotton body 23 adsorbs harmful components in the waste gas, wood dust can adsorb volatile organic matters such as organic sulfides, organic chlorides and the like and malodorous substances, activated carbon can adsorb benzene, phenols, polycyclic aromatic hydrocarbons and the like, the waste gas moves along the length direction of the adsorption cotton body 23, the adsorption cotton body 23 fully plays a role, and the waste gas is discharged from a connecting pipe 25;
in the adsorption process, the steam generator 22 continuously generates steam and inputs the steam into the adsorption box 21, so that the degradation of the organic gas can be accelerated; preferably, a plurality of gas-distributing pipes 26 are arranged on the steam pipe 24 at intervals along the extending direction of the absorbent cotton body 23, the gas-distributing pipes 26 are communicated with the absorbent box body 21 and the steam pipe 24, and the arrangement of the gas-distributing pipes 26 can enable the water vapor to rapidly fill the absorbent box body 21;
preferably, the volume ratio of wood chips to activated carbon is 1:1.
In this embodiment, the condensing module 3 includes a condensing box 31 in which a treatment solution is pre-stored, the lower part of the condensing box 31 is communicated with the connecting pipe 25, an exhaust pipe 32 is arranged at the top of the condensing box 31, and a liquid outlet 33 is arranged at the bottom of the condensing box 31; of course, the upper part of the condensing box 31 is provided with a liquid adding port 34;
the absorbed waste gas is input into the condensing box body 31 from the connecting pipe 25, reacts with the treatment solution in the condensing box body 31, further removes harmful substances, and can fully react with the treatment solution when the waste gas goes from bottom to top;
the treatment solution is configured according to the nature of the organic waste gas, in this embodiment, the treatment solution is an alkaline solution, so as to further remove residual organic sulfides, organic chlorides, HF, grease, alkane and the like in the waste gas; based on this, the organic waste gas passing through the filtering module 1, the adsorption module 2 and the condensing module 3 in this order is cleaned, and the gas discharged from the exhaust pipe 32 is dust-free, low in chemical substance residue, low in directional molecule, and does not pollute the environment.
In this embodiment, the extension tube 35 is disposed in the condensation box 31, the extension tube 35 is in an inverted U shape, one end of the extension tube 35 is an open end, the other end of the extension tube 35 is in butt joint with the connection tube 25, most of the extension tube 35 is immersed in the treatment solution, after the waste gas enters the extension tube 35, the waste gas moves upward and then moves downward, is discharged from the extension tube 35 to the lower part of the condensation box 31, moves from the lower part to the upper part of the condensation box 31, and is finally discharged from the exhaust tube 32, and the waste gas fully contacts the treatment solution in the whole process to ensure that the reaction is sufficiently thorough.
In the embodiment, the condensing box further comprises an air pump 36, an air inflation tube 37 is arranged at the output end of the air pump 36, and the air inflation tube 37 extends into the condensing box 31;
the outlet of the inflation tube 37 is located below the open end of the extension tube 35; the air charging pipe charges air into the treatment solution to increase the air flow, so that the waste gas and the treatment solution are mixed more uniformly.
In this embodiment, a transparent window is provided on the condensing box 31 to facilitate viewing of the state of the treatment solution, and when the state of the treatment solution cannot continue to treat the exhaust gas, the treatment solution can be discharged from the liquid discharge port 33 and a new treatment solution is added by the liquid adding port 34.
While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (7)
1. The heat treatment waste gas treatment device is characterized by comprising a filtering module, an adsorption module and a condensation module which are sequentially connected, wherein the filtering module comprises a filtering box body, an air inlet pipe and an air outlet pipe which are arranged on the filtering box body, and a physical filter screen, a chemical filter screen and a modified PTFE filter membrane are sequentially arranged in the filtering box body along the flowing direction of gas;
the adsorption module comprises an adsorption box body and a steam generator, the air outlet pipe is connected with the adsorption box body, an adsorption cotton body is arranged in the adsorption box body, the steam generator is connected with the adsorption box body through a steam pipe, and a connecting pipe is arranged on the adsorption box body;
the condensing module comprises a condensing box body pre-storing treatment solution, the lower part of the condensing box body is communicated with a connecting pipe, the top of the condensing box body is provided with an exhaust pipe, and the bottom of the condensing box body is provided with a liquid outlet.
2. The heat treatment exhaust gas treatment device according to claim 1, wherein the absorbent cotton body comprises wood chips and activated carbon, and the volume ratio of the wood chips to the activated carbon is 1:0.5-1.5.
3. The heat treatment exhaust gas treatment device according to claim 1, wherein the absorbent cotton body extends in a horizontal direction, one end of the absorbent box body in an extending direction of the absorbent cotton body is connected to the air outlet pipe, and the connecting pipe is provided at the other end of the absorbent box body in the extending direction of the absorbent cotton body;
a plurality of gas-distributing pipes are arranged on the steam pipe at intervals along the extending direction of the adsorption cotton body, and the gas-distributing pipes are communicated with the adsorption box body and the steam pipe.
4. The heat treatment waste gas treatment device according to claim 1, wherein the bottom of the filtering box body is provided with filter residue openings corresponding to the physical filter net and the chemical filter net one by one, and the filter residue openings are detachably provided with collecting bags.
5. The heat treatment exhaust gas treatment device according to claim 1 or 4, wherein the physical filter screen, the chemical filter screen and the modified PTFE filter membrane are arranged at intervals in the horizontal direction, maintenance openings corresponding to the physical filter screen, the chemical filter screen and the modified PTFE filter membrane one by one are formed in the filter box body, a cover plate is detachably mounted on the maintenance openings, and the physical filter screen, the chemical filter screen and the modified PTFE filter membrane are detachably mounted in the filter box body.
6. The heat treatment exhaust gas treatment device according to claim 1, wherein an extension tube is arranged in the condensation box body, the extension tube is of an inverted U shape, one end of the extension tube is an open end, and the other end of the extension tube is in butt joint with the connecting tube.
7. The heat treatment exhaust gas treatment device according to claim 6, further comprising an inflator pump, wherein an output end of the inflator pump is provided with an inflation tube, and the inflation tube extends into the condensation box body;
the outlet of the inflation tube is positioned below the open end of the extension tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321118171.5U CN219784283U (en) | 2023-05-09 | 2023-05-09 | Heat treatment waste gas treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321118171.5U CN219784283U (en) | 2023-05-09 | 2023-05-09 | Heat treatment waste gas treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219784283U true CN219784283U (en) | 2023-10-03 |
Family
ID=88155028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321118171.5U Active CN219784283U (en) | 2023-05-09 | 2023-05-09 | Heat treatment waste gas treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219784283U (en) |
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2023
- 2023-05-09 CN CN202321118171.5U patent/CN219784283U/en active Active
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