CN220715313U - Chlorine-containing medium volatile gas recovery processing device - Google Patents
Chlorine-containing medium volatile gas recovery processing device Download PDFInfo
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- CN220715313U CN220715313U CN202222812680.XU CN202222812680U CN220715313U CN 220715313 U CN220715313 U CN 220715313U CN 202222812680 U CN202222812680 U CN 202222812680U CN 220715313 U CN220715313 U CN 220715313U
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- gas
- chlorine
- supercharger
- condenser
- water
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- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 title claims abstract description 41
- 239000000460 chlorine Substances 0.000 title claims abstract description 41
- 229910052801 chlorine Inorganic materials 0.000 title claims abstract description 41
- 238000011084 recovery Methods 0.000 title claims abstract description 17
- 238000012545 processing Methods 0.000 title claims abstract description 12
- 238000001179 sorption measurement Methods 0.000 claims abstract description 47
- 239000012528 membrane Substances 0.000 claims abstract description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 33
- 239000007788 liquid Substances 0.000 claims abstract description 28
- 238000005273 aeration Methods 0.000 claims abstract description 10
- 238000003795 desorption Methods 0.000 claims description 13
- 238000000926 separation method Methods 0.000 claims description 12
- 239000003463 adsorbent Substances 0.000 claims description 4
- 239000002351 wastewater Substances 0.000 claims description 4
- 229920005989 resin Polymers 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 238000004064 recycling Methods 0.000 claims description 2
- 239000002699 waste material Substances 0.000 claims description 2
- 229910001039 duplex stainless steel Inorganic materials 0.000 claims 1
- 239000007789 gas Substances 0.000 description 35
- 238000000034 method Methods 0.000 description 8
- 238000007906 compression Methods 0.000 description 6
- 230000006835 compression Effects 0.000 description 5
- 238000009833 condensation Methods 0.000 description 5
- 230000005494 condensation Effects 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 238000007599 discharging Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 230000008929 regeneration Effects 0.000 description 3
- 238000011069 regeneration method Methods 0.000 description 3
- 238000009835 boiling Methods 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000002346 layers by function Substances 0.000 description 2
- -1 polydimethylsiloxane Polymers 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000009841 combustion method Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000004205 dimethyl polysiloxane Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 239000010954 inorganic particle Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 1
- 239000002952 polymeric resin Substances 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000008234 soft water Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/002—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by condensation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/22—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by diffusion
- B01D53/229—Integrated processes (Diffusion and at least one other process, e.g. adsorption, absorption)
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/40—Further details for adsorption processes and devices
- B01D2259/40083—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption
- B01D2259/40088—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption by heating
- B01D2259/4009—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption by heating using hot gas
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Separation Of Gases By Adsorption (AREA)
Abstract
The utility model provides a chlorine-containing medium volatilized gas recovery processing device, includes booster compressor, gas-liquid separator, water-cooler, precooler etc. the booster compressor links to each other with gas-liquid separator, gas-liquid separator links to each other with the water-cooler, refrigerating system links to each other with one-level condenser, one-level condenser links to each other with the liquid storage pot, precooler, adsorption unit link to each other with the membrane unit respectively, adsorption unit links to each other with the condenser, the condenser links to each other with the condensate storage tank, the condensate storage tank links to each other with oil-water separator, vacuum pump respectively, oil-water separator links to each other with the aeration tank. The utility model not only meets the emission standard, but also has considerable economic value for the recycled chlorine-containing liquid medium.
Description
Technical Field
The utility model relates to the technical field of waste gas recovery and treatment, in particular to a multi-tank adsorption steam desorption recovery treatment device of a chlorine-containing medium volatile gas compression condensation film, in particular to a device for recycling and treating volatile gases of chlorine-containing media.
Background
Chlorine-containing media are widely used in petrochemical industry, medicine and lithium battery diaphragm industry, however, due to the characteristic of low boiling point, the substances are easy to volatilize. The relevant authorities specify that the list of toxic and hazardous atmospheric pollutants list chlorine-containing media as one of the pollutants that require control. Therefore, the key to the problem of volatile pollution is to find a technology for effectively treating and recovering volatile pollutants of chlorine-containing media.
The treatment technology commonly used in China at the present stage mainly comprises an adsorption method, a combustion method, a condensation method, an absorption method and the like. The treatment technology has high public engineering consumption and unsatisfactory recovery effect.
Disclosure of Invention
The utility model aims to design a multi-tank adsorption vapor desorption recovery treatment device of a volatile gas compression condensation film of a chlorine-containing medium, which not only meets the relevant emission standard, but also reduces the consumption of equipment in the public engineering, aiming at the problems of high public engineering consumption and unsatisfactory recovery effect in the existing chlorine-containing medium treatment method.
The technical scheme of the utility model is as follows:
the utility model provides a multi-tank adsorption steam desorption recovery treatment device of a chlorine-containing medium volatile gas compression condensation membrane, which comprises a supercharger, a gas-liquid separator, a water cooler, a precooler, a primary condenser, a refrigerating system, a liquid storage tank, a membrane unit, an adsorption unit, an air pump or a vacuum pump, a secondary condenser, a condensate storage tank, an oil-water separator and an aeration tank, wherein the supercharger is connected with the gas-liquid separator, the gas-liquid separator is connected with the water cooler, the refrigerating system is connected with the primary condenser, the primary condenser is connected with the liquid storage tank, the precooler and the adsorption unit are respectively connected with the membrane unit, the adsorption unit is connected with the secondary condenser, the secondary condenser is connected with the condensate storage tank, the condensate storage tank is respectively connected with the oil-water separator and the vacuum pump, and the oil-water separator is connected with the aeration tank. The precooler, the water cooler, the primary condenser the secondary condenser is a shell-and-tube heat exchanger. The water cooler 3 is provided with a chilled water inlet and a chilled water outlet.
The beneficial effects of the utility model are as follows:
1. compared with a deep cooling process, the refrigerating process with the temperature of more than 0 ℃ is adopted, so that the energy consumption required by refrigeration is reduced.
2. The separation membrane is a special separation membrane for the volatile gas of the chlorine-containing medium, so that the permeation rate of the volatile gas of the chlorine-containing medium is improved, and the separation effect is better.
3. Because the molecular boiling point of the chlorine-containing medium is low and volatile, the corrosion-resistant spray screw booster is adopted as the booster, the isothermal compression is approximate, and the secondary volatilization of the chlorine-containing medium in the compression process is avoided.
4. The resin adsorbent filled in the adsorption tower is easy to desorb and regenerate by steam, and the tail gas emission reaching the standard is better controlled.
5. Because the front-end compression condensation membrane technology recovers most of chlorine-containing media, the loading of the active carbon of the tail-end adsorption unit is reduced, and the usage of steam is reduced.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Detailed Description
The present utility model is further described below with reference to the drawings and examples so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, and thus the scope of the present utility model is more clearly and clearly defined.
As shown in fig. 1.
The utility model provides a chlorine-containing medium volatilized gas recovery processing device, including booster compressor 1, gas-liquid separator 2, water-cooler 3, precooler 4, first order condenser 5, refrigerating system 16, liquid storage tank 6, membrane unit 7, adsorption unit, air pump or vacuum pump 12 (wherein with the better, can better desorption remove the dichloromethane gas that the adsorbent adsorbs, produce the negative pressure, the desorption is better), second grade condenser 11, condensate storage tank 13, oil water separator 14 and aeration tank 15, booster compressor 1's entrance point is linked together with chlorine-containing medium volatilized gas source, booster compressor 1's export links to each other with gas-liquid separator 2's entrance point, gas-liquid separator 2's exit end links to each other with water-cooler 3's entrance point, water-cooler 3's exit end precooler 4's an entrance point links to each other, precooler 4's the other entrance point links to one of entrance point and first order condenser 5's exit point; one outlet end of the precooler 4 is connected with the condenser 5, the other outlet end is connected with the inlet end of the membrane unit 7, the first-stage condenser 5 is cooled by a cooling system 16 to provide a cold source for chlorine-containing gas entering the first-stage condenser, cooled and condensed chlorine-containing liquid is recycled in a liquid storage tank 6, uncondensed chlorine-containing gas returns to the precooler 4 and is discharged into the membrane unit 7 to be separated, the gas separated by the membrane unit 7 enters an adsorption unit, namely, one output end of the membrane unit 7 is communicated with the adsorption unit, chlorine-containing gas which does not pass through the membrane unit 7 returns to an air inlet of the supercharger 1, namely, the other output end of the membrane unit 7 is connected with the air inlet of the supercharger 1; the adsorption unit carries out steam desorption on chlorine-containing gas entering the adsorption unit, the desorbed chlorine-containing gas is discharged after reaching standards, the desorption gas enters a secondary condenser 11 connected with the adsorption unit through a pipeline to be condensed, condensate enters a condensate storage tank 13, uncondensed gas enters an air pump/vacuum pump 12 connected with the secondary condenser 11, and the outlet of the air pump/vacuum pump 12 is connected with the air inlet of the supercharger 1; the output end of the condensate storage tank 13 is connected with the input end of the oil-water separator 14, the waste liquid output end of the oil-water separator 14 is connected with the input end of the aeration tank 15, and the waste water treated by the aeration tank 15 is discharged after reaching the standard. In specific implementation, the supercharger is preferably a single-screw supercharger/double-screw supercharger, the internal impeller is made of stainless steel, desalted water or soft water is required to be supplemented in the supercharging process of the supercharger, circulating liquid and volatile gas of a chlorine-containing medium are compressed simultaneously, the temperature rise of the outlet of the supercharger is less than 15 ℃, and the outlet pressure of the supercharger is not lower than 0.6MPa. The membrane unit can adopt a roll-type separation membrane or a stacked separation membrane, and can be purchased directly from the market, the membrane adopts modified polydimethylsiloxane as a functional layer, and meanwhile, inorganic particles are added into the functional layer to improve the separation effect of the membrane unit on volatile gases of chlorine-containing media. The membrane separation process is continuous, has no heat release and mild conditions, has the advantages of low energy consumption, high safety, strong processing capacity and the like. The precooler 4, the water cooler 3, the primary condenser 5 and the secondary condenser 11 in the utility model all adopt shell-and-tube structures, and the material is stainless steel 316L, so that the utility model has the advantages of corrosion resistance, strong adaptability and large treatment capacity. Refrigerating system in a system generally comprises: a refrigeration compressor, an evaporator, a water-cooled condenser, an electromagnetic valve and the like, the cold energy is indirectly provided by the cold coal in the freezing water tank, and the refrigerant is conveyed to the primary condenser by the water pump. The adsorption unit comprises a first adsorption tower 8, a second adsorption tower 9 and a third adsorption tower 10, resin adsorbents are filled in the adsorption towers, the volatile gas containing chlorine media is adsorbed by the first adsorption tower and the second adsorption tower, the adsorbed volatile gas is discharged after reaching the standard directly, and meanwhile, the third adsorption tower 10 performs steam regeneration and desorption operation, and the three adsorption towers alternately operate through time switching.
The working principle of the utility model is as follows:
the volatile gas containing chlorine medium enters the inlet of the supercharger 1, the supercharger 1 automatically operates and self-adapts the working frequency to balance with the air intake, and the volatile gas passes through the supercharger and the pressure is increased to>0.60MPaG enters a water cooler 3 to a precooler 4 after being separated by a gas-liquid separator 2, noncondensable gas discharged by a primary condenser 5 in the precooler 4 enters a membrane unit 7 after being precooled, the cold capacity of the primary condenser 5 is provided by a refrigerating system 16, a large amount of chlorine-containing media can be condensed in the condensing unit and discharged to a liquid storage tank 6, in the primary condenser 5, the temperature of the primary condenser is 0-2 ℃, the partial pressure of steam of water and the chlorine-containing media is greatly higher than the corresponding partial pressure of saturated steam to be liquefied, most of volatile gas is condensed into liquid to be recovered, noncondensable gas in the primary condenser 5 is taken as a cold source to enter the precooler 4 to be heated by the water cooler 3 for a certain temperature rise and then enters a membrane unit 7, and high-concentration gas which is permeated by membrane separation (through measurement) returns to an inlet of a booster 1 to be subjected to reflux treatment; the gas on the permeable side of the separation membrane enters a high polymer resin adsorption unit through decompression, 3 adsorption towers (a first adsorption tower 8, a second adsorption tower 9 and a third adsorption tower 10) are arranged, the volatile gas containing chlorine media is adsorbed by the first adsorption tower 8 and the second adsorption tower 9, and the adsorbed volatile gas directly reaches the standard and is dischargedAnd (3) putting the third adsorption tower 10 into a steam regeneration desorption operation at the same time, and switching the three towers through time to alternately operate. The volatile gas concentration of the adsorbed chlorine-containing medium is reduced to 30mg/Nm 3 And (3) discharging after reaching the standard. The method comprises the steps of adopting steam to carry out regeneration desorption, cooling desorption gas through a secondary condenser 11, carrying out reflux treatment from an air pump or a vacuum pump 12 to an inlet of the device, cooling regenerated gas through the secondary condenser 11, then entering a condensate storage tank 13, discharging condensate to an oil-water separator 14, discharging waste water in the oil-water separator 14 to an aeration tank 15 for further treatment, and then discharging the waste water reaching the standard.
Finally, it should be noted that: the above examples are only specific embodiments of the present utility model for illustrating the technical solution of the present utility model, but not for limiting the scope of the present utility model, and although the present utility model has been described in detail with reference to the foregoing examples, it will be understood by those skilled in the art that the present utility model is not limited thereto: any person skilled in the art may modify or easily conceive of the technical solution described in the foregoing embodiments, or perform equivalent substitution of some of the technical features, while remaining within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model, and are intended to be included in the scope of the present utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.
The utility model is not related in part to the same as or can be practiced with the prior art.
Claims (7)
1. The utility model provides a chlorine-containing medium volatile gas recovery processing device which characterized in that: the device comprises a supercharger (1), a gas-liquid separator (2), a water cooler (3), a precooler (4), a primary condenser (5), a refrigerating system (16), a liquid storage tank (6), a membrane unit (7), an adsorption unit, an air pump/vacuum pump (12), a secondary condenser (11), a condensate storage tank (13), an oil-water separator (14) and an aeration tank (15), wherein the inlet end of the supercharger (1) is communicated with a volatile gas source containing chlorine medium, the outlet of the supercharger (1) is connected with the inlet end of the gas-liquid separator (2), the outlet end of the gas-liquid separator (2) is connected with the inlet end of the water cooler (3), the outlet end of the water cooler (3) is communicated with one inlet end of the precooler (4), and the other inlet end of the precooler (4) is connected with the outlet end of the primary condenser (5); one outlet end of the precooler (4) is connected with the first-stage condenser (5), the other outlet end is connected with the inlet end of the membrane unit (7), the first-stage condenser (5) is provided with a cold source by a refrigerating system (16) to cool chlorine-containing gas entering the first-stage condenser, cooled and condensed chlorine-containing liquid enters a liquid storage tank (6) for recycling, uncondensed chlorine-containing gas returns to the precooler (4) and is discharged into the membrane unit (7) for separation, the gas separated by the membrane unit (7) enters an adsorption unit, namely, one output end of the membrane unit (7) is communicated with the adsorption unit, chlorine-containing gas which does not pass through the membrane unit (7) returns to the air inlet of the supercharger (1), namely, the other output end of the membrane unit (7) is connected with the air inlet of the supercharger (1); the adsorption unit carries out steam desorption on chlorine-containing gas entering the adsorption unit, the desorbed chlorine-containing gas is discharged after reaching standards, the desorption gas enters a secondary condenser (11) connected with the adsorption unit through a pipeline to be condensed, condensate enters a condensate storage tank (13), uncondensed gas enters an air pump/vacuum pump (12) connected with the secondary condenser (11), and an outlet of the air pump/vacuum pump (12) is connected with an air inlet of a supercharger (1); the output end of the condensate storage tank (13) is connected with the input end of the oil-water separator (14), the waste liquid output end of the oil-water separator (14) is connected with the input end of the aeration tank (15), and the waste water treated by the aeration tank (15) is discharged after reaching the standard.
2. The recovery processing device according to claim 1, wherein: the supercharger is a single-screw supercharger, the outlet pressure of the supercharger is not lower than 0.6MPa, and the supercharger is made of duplex stainless steel/316L.
3. The recovery processing device according to claim 1, wherein: the precooler, the water cooler, the primary condenser and the secondary condenser are shell-and-tube heat exchangers.
4. The recovery processing device according to claim 1, wherein: the membrane unit is a roll-type separation membrane or a stacked separation membrane.
5. The recovery processing device according to claim 1, wherein: the adsorption unit comprises a first adsorption tower, a second adsorption tower and a third adsorption tower, and resin adsorbents are filled in the first adsorption tower, the second adsorption tower and the third adsorption tower.
6. The recovery processing device according to claim 1, wherein: the air pump/vacuum pump (12) and the secondary condenser (11) are respectively connected with the condensate storage tank (13).
7. The recovery processing device according to claim 1, wherein: the water cooler (3) is provided with a chilled water inlet and a chilled water outlet.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222798347 | 2022-10-24 | ||
| CN2022227983478 | 2022-10-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220715313U true CN220715313U (en) | 2024-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222812680.XU Active CN220715313U (en) | 2022-10-24 | 2022-10-25 | Chlorine-containing medium volatile gas recovery processing device |
| CN202211309786.6A Pending CN115430253A (en) | 2022-10-24 | 2022-10-25 | Chlorine-containing medium volatile gas recovery processing device |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211309786.6A Pending CN115430253A (en) | 2022-10-24 | 2022-10-25 | Chlorine-containing medium volatile gas recovery processing device |
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| CN (2) | CN220715313U (en) |
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- 2022-10-25 CN CN202222812680.XU patent/CN220715313U/en active Active
- 2022-10-25 CN CN202211309786.6A patent/CN115430253A/en active Pending
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| CN115430253A (en) | 2022-12-06 |
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