CN214809636U - VOCs tail gas treatment adsorbs desorption condensing equipment - Google Patents
VOCs tail gas treatment adsorbs desorption condensing equipment Download PDFInfo
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- CN214809636U CN214809636U CN202120641006.2U CN202120641006U CN214809636U CN 214809636 U CN214809636 U CN 214809636U CN 202120641006 U CN202120641006 U CN 202120641006U CN 214809636 U CN214809636 U CN 214809636U
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- nitrogen
- activated carbon
- valve
- carbon box
- condenser
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- 238000003795 desorption Methods 0.000 title claims abstract description 29
- 239000012855 volatile organic compound Substances 0.000 title claims abstract description 19
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 186
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 154
- 239000007789 gas Substances 0.000 claims abstract description 48
- 238000001179 sorption measurement Methods 0.000 claims abstract description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 29
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 13
- 229910001873 dinitrogen Inorganic materials 0.000 claims abstract description 12
- 229910052757 nitrogen Inorganic materials 0.000 claims description 87
- 230000005540 biological transmission Effects 0.000 claims description 23
- 238000009833 condensation Methods 0.000 claims description 17
- 230000005494 condensation Effects 0.000 claims description 17
- 239000010865 sewage Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 description 7
- 238000005507 spraying Methods 0.000 description 4
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 3
- 239000003513 alkali Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000006555 catalytic reaction Methods 0.000 description 3
- 239000000460 chlorine Substances 0.000 description 3
- 229910052801 chlorine Inorganic materials 0.000 description 3
- 238000004880 explosion Methods 0.000 description 3
- 238000007539 photo-oxidation reaction Methods 0.000 description 3
- 238000002336 sorption--desorption measurement Methods 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Treating Waste Gases (AREA)
Abstract
The utility model discloses a VOCs tail gas treatment adsorbs desorption condensing equipment, including activated carbon box, nitrogen gas heat exchanger and condenser, the activated carbon adsorption net of three-layer is installed to activated carbon box inside top, nitrogen gas heat exchanger sets up on activated carbon box right side, steam inlet has been seted up to nitrogen gas heat exchanger's left side top, steam outlet has been seted up to nitrogen gas heat exchanger's right side below, the condenser sets up the upper right side at the activated carbon box, the comdenstion water entry has been seted up to the right side below of condenser, comdenstion water export has been seted up to the left side top of condenser, there is the receiving tank below of condenser through honeycomb duct connection. This VOCs tail gas treatment adsorbs desorption condensing equipment is provided with the active carbon adsorption net, and the active carbon adsorption net is provided with the three-layer in the active carbon box, synthesizes the adsorption treatment to the tail gas that the input came in for the gaseous up to standard emission that adsorbs, the treatment effeciency of improvement tail gas, pollution abatement.
Description
Technical Field
The utility model relates to a tail gas treatment technical field specifically is a VOCs tail gas treatment adsorbs desorption condensing equipment.
Background
The prior VOCs tail gas treatment process comprises the following steps: the process comprises the steps of activated carbon adsorption + RTO, activated carbon adsorption + RCO, photo-oxidation catalysis, alkali liquor spraying and the like, organic matters contained in tail gas of RTO and RCO processes are purified thoroughly, photo-oxidation catalysis is low in investment cost and small in occupied area, and alkali liquor spraying has obvious purification effects on acidic gas and water-soluble alcohol substances.
However, the existing process is difficult to treat chlorine-containing organic matters, RTO and RCO may decompose the chlorine-containing organic matters, but chloride ions finally cause great corrosion to equipment, so that the service life of the equipment is short, photo-oxidation catalysis is suitable for low-concentration organic matters, meanwhile, the process has certain potential safety hazard, when the concentration of the organic matters reaches the flash explosion limit, the flash explosion is easy to occur, the spraying process has strong treatment selectivity to the organic matters, and the organic matters which are difficult to dissolve in water cannot be purified, so that the existing tail gas treatment device needs to be improved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a VOCs tail gas treatment adsorbs desorption condensing equipment to solve the corrosion problem of chlorine-containing organic matter to equipment that proposes in the above-mentioned background art, tail gas flash explosion safety problem (nitrogen protection), waste gas becomes the recycle's of waste liquid problem.
In order to achieve the above object, the utility model provides a following technical scheme: a VOCs tail gas treatment adsorption desorption condensing device, which comprises an active carbon box body, a nitrogen heat exchanger and a condenser,
the activated carbon box comprises an air inlet, an air outlet, an air inlet valve, an exhaust valve, an activated carbon adsorption net, support legs, a drain outlet and a control panel, wherein the air inlet is formed in the top of the activated carbon box, the air outlet is formed in the lower portion of the left side of the activated carbon box, the three layers of activated carbon adsorption nets are mounted above the inner portion of the activated carbon box, the support legs are arranged at the bottom of the activated carbon box, the drain outlet is formed in the right side of the bottom of the activated carbon box, and the control panel is arranged at the front end of the activated carbon box;
the nitrogen heat exchanger comprises a steam inlet, a steam outlet, a nitrogen inlet, a nitrogen transmission main pipe, a nitrogen blow-off valve, a steam control valve, a nitrogen transmission auxiliary pipe, a nitrogen transmission branch pipe and an opening, the nitrogen heat exchanger is arranged on the right side of the activated carbon box body, the steam inlet is formed in the upper portion of the left side of the nitrogen heat exchanger, the steam outlet is formed in the lower portion of the right side of the nitrogen heat exchanger, the nitrogen inlet is formed in the bottom of the nitrogen heat exchanger, and the nitrogen transmission main pipe is arranged at the top of the nitrogen heat exchanger;
the condenser, the condenser includes comdenstion water entry, comdenstion water export, pump body interface, condensation control valve, air duct, active carbon box desorption valve, honeycomb duct, receipt jar and solenoid valve, the condenser sets up the upper right side at the active carbon box, the comdenstion water entry has been seted up to the right side below of condenser, the comdenstion water export has been seted up to the left side top of condenser, the top of condenser is provided with pump body interface, pump body interface and outside vacuum pump connection, the left side below of condenser is connected with the top right side of active carbon box through the air duct, the below of condenser has the receipt jar through honeycomb duct connection.
Preferably, the air inlet is provided with an air inlet valve, and the air outlet is provided with an exhaust valve.
Preferably, the steam inlet and the steam outlet are provided with steam control valves, and are connected with an external steam generator.
Preferably, defeated nitrogen is responsible for and is installed nitrogen gas blow-off valve, defeated nitrogen is responsible for the left side and is connected with defeated nitrogen auxiliary pipe, the left side of defeated nitrogen auxiliary pipe is connected with three defeated nitrogen branch pipes, defeated nitrogen branch pipe inserts inside the active carbon box, defeated nitrogen branch pipe is located the below of active carbon adsorption net, defeated nitrogen branch pipe is last to have seted up a plurality of openings.
Preferably, install the condensation control valve on comdenstion water entry and the comdenstion water export, comdenstion water entry and comdenstion water export are connected with outside condensate water tank, install activated carbon box desorption valve on the air duct, install the solenoid valve on the honeycomb duct.
Preferably, the control panel is electrically connected with the air inlet valve, the exhaust valve, the nitrogen heat exchanger, the nitrogen stripping valve, the steam control valve, the condenser, the condensation control valve, the activated carbon box body desorption valve and the electromagnetic valve.
Compared with the prior art, the beneficial effects of the utility model are that: the VOCs tail gas treatment adsorption desorption condensing device,
(1) the tail gas treatment device is provided with the activated carbon adsorption net, three layers of the activated carbon adsorption net are arranged in the activated carbon box, and the input tail gas is comprehensively adsorbed, so that the adsorbed gas is discharged up to the standard, the tail gas treatment efficiency is improved, and the pollution is reduced;
(2) the nitrogen heat exchanger and the condenser are arranged, after the tail gas absorbed by the activated carbon adsorption net reaches a saturated state, the tail gas treatment process is suspended, the corresponding valve is closed, the nitrogen heat exchanger and the condenser are started, the corresponding valve is opened, the saturated activated carbon is subjected to desorption treatment by high-temperature nitrogen, organic gas generated by desorption enters the condenser to be cooled and liquefied, and falls into the receiving tank, so that the organic gas is recycled, and meanwhile, the activated carbon can absorb organic matters in the tail gas again.
Drawings
FIG. 1 is a front view of the cross-sectional structure of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A of the present invention;
fig. 3 is a front view of the activated carbon box of the present invention.
In the figure: 1. the device comprises an activated carbon box body, 101, an air inlet, 102, an air outlet, 103, an air inlet valve, 104, an exhaust valve, 105, an activated carbon adsorption net, 106, a support leg, 107, a sewage outlet, 108, a control panel, 2, a nitrogen heat exchanger, 201, a steam inlet, 202, a steam outlet, 203, a nitrogen inlet, 204, a nitrogen transmission main pipe, 205, a nitrogen blow-off valve, 206, a steam control valve, 207, a nitrogen transmission auxiliary pipe, 208, a nitrogen transmission branch pipe, 209, an opening, 3, a condenser, 301, a condensed water inlet, 302, a condensed water outlet, 303, a pump body interface, 304, a condensation control valve, 305, an air guide pipe, 306, an activated carbon box body desorption valve, 307, a flow guide pipe, 308, a receiving tank, 309 and an electromagnetic valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a VOCs tail gas treatment adsorption desorption condensing device is shown in figures 1 and 3, an activated carbon box body 1 comprises a gas inlet 101, a gas outlet 102, a gas inlet valve 103, an exhaust valve 104, an activated carbon adsorption net 105, support legs 106, a sewage outlet 107 and a control panel 108, the gas inlet 101 is formed in the top of the activated carbon box body 1, the gas outlet 102 is formed in the lower portion of the left side of the activated carbon box body 1, the gas inlet valve 103 is mounted on the gas inlet 101, the exhaust valve 104 is mounted on the gas outlet 102 and is beneficial to controlling tail gas input, the three-layer activated carbon adsorption net 105 is mounted above the inside of the activated carbon box body 1, the support legs 106 are arranged at the bottom of the activated carbon box body 1, the sewage outlet 107 is formed in the right side of the bottom of the activated carbon box body 1, the control panel 108 is arranged at the front end of the activated carbon box body 1, and the control panel 108, the gas inlet valve 103, the exhaust valve 104, the nitrogen heat exchanger 2, the nitrogen blow-off valve 205 and the steam control valve 206, Condenser 3, condensation control valve 304, activated carbon box desorption valve 306 and solenoid valve 309 electric connection, be convenient for open through the component of control panel 108 controlling means and stop, nitrogen gas heat exchanger 2 includes steam inlet 201, steam outlet 202, nitrogen gas inlet 203, defeated nitrogen main pipe 204, nitrogen gas blows off valve 205, steam control valve 206, defeated nitrogen auxiliary pipe 207, defeated nitrogen branch pipe 208 and opening 209, nitrogen gas heat exchanger 2 sets up in activated carbon box 1 right side, steam inlet 201 has been seted up to nitrogen gas heat exchanger 2's left side top, install steam control valve 206 on steam inlet 201 and the steam outlet 202, and steam inlet 201 and steam outlet 202 are connected with outside steam generator, be convenient for control steam's input.
As shown in fig. 1 and 2, a steam outlet 202 is arranged below the right side of the nitrogen heat exchanger 2, a nitrogen inlet 203 is arranged at the bottom of the nitrogen heat exchanger 2, a nitrogen transmission main pipe 204 is arranged at the top of the nitrogen heat exchanger 2, a nitrogen blow-off valve 205 is arranged on the nitrogen transmission main pipe 204, a nitrogen transmission auxiliary pipe 207 is connected to the left side of the nitrogen transmission main pipe 204, three nitrogen transmission branch pipes 208 are connected to the left side of the nitrogen transmission auxiliary pipe 207, the nitrogen transmission branch pipes 208 are inserted into the activated carbon box body 1, the nitrogen transmission branch pipes 208 are positioned below the activated carbon adsorption net 105, a plurality of openings 209 are arranged on the nitrogen transmission branch pipes 208, which are beneficial to controlling the injection of nitrogen, the condenser 3 comprises a condensed water inlet 301, a condensed water outlet 302, a pump body interface 303, a condensation control valve 304, a gas guide pipe 305, an activated carbon box body desorption valve 306, a flow guide pipe 307, a receiving tank 308 and an electromagnetic valve 309, the condenser 3 is arranged above the right side of the activated carbon box body 1, condensate inlet 301 has been seted up to the right side below of condenser 3, condensate outlet 302 has been seted up to the left side top of condenser 3, the top of condenser 3 is provided with pump body interface 303, pump body interface 303 and outside vacuum pump connection, the left side below of condenser 3 is connected with the top right side of active carbon box 1 through air duct 305, the below of condenser 3 is connected with through honeycomb duct 307 and receives jar 308, install condensation control valve 304 on condensate inlet 301 and the condensate outlet 302, condensate inlet 301 and condensate outlet 302 are connected with outside condensate tank, install active carbon box desorption valve 306 on the air duct 305, install solenoid valve 309 on the honeycomb duct 307, be convenient for control the injection and the discharge of comdenstion water.
The working principle is as follows: when the adsorption, desorption and condensation device for treating the VOCs tail gas is used, firstly, the control panel 108 is used for opening the air inlet valve 103 and the air outlet valve 104 on the air inlet 101 and the air outlet 102 of the activated carbon box body 1, the VOCs tail gas after alkali liquor spraying pretreatment is input into the activated carbon box body 1 from the air inlet 101, organic matters in the VOCs tail gas are absorbed by the three-layer activated carbon adsorption net 105, the tail gas after adsorption treatment reaches the standard and is discharged, when the activated carbon adsorption net 105 reaches the saturated state, the air inlet valve 103 and the air outlet valve 104 are closed, the nitrogen heat exchanger 2, the condenser 3, the nitrogen blow-off valve 205, the steam control valve 206, the condensation control valve 304, the activated carbon box body desorption valve 306 and the electromagnetic valve 309 are opened, then the vacuum pump connected with the pump body interface 303 is opened, steam enters the nitrogen heat exchanger 2 from the steam inlet 201 and is discharged from the steam outlet 202, and nitrogen enters the nitrogen heat exchanger 2 from the inlet 203, the nitrogen is heated to a high temperature state under the action of steam, the high temperature nitrogen is transmitted to the nitrogen transmission auxiliary pipe 207 and the nitrogen transmission branch pipe 208 through the nitrogen transmission main pipe 204, and then is injected into the activated carbon box body 1 through the opening 209, the activated carbon adsorption net 105 is subjected to desorption treatment, organic gas generated by desorption enters the condenser 3 through the air guide pipe 305, condensed water enters the condenser 3 through the condensed water inlet 301 and is discharged from the condensed water outlet 302, the organic gas is cooled and liquefied, liquid falls into the receiving tank 308 through the guide pipe 307, the activated carbon adsorption net 105 can be subjected to adsorption treatment again after desorption, the utilization rate of the activated carbon adsorption net 105 is improved, and the content which is not described in detail in the specification belongs to the prior art which is known to a person skilled in the art.
The terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for ease of description, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the scope of the invention.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. The utility model provides a VOCs tail gas treatment adsorbs desorption condensing equipment, includes activated carbon box (1), nitrogen gas heat exchanger (2) and condenser (3), its characterized in that:
the activated carbon box comprises an activated carbon box body (1), wherein the activated carbon box body (1) comprises an air inlet (101), an air outlet (102), an air inlet valve (103), an exhaust valve (104), an activated carbon adsorption net (105), support legs (106), a sewage outlet (107) and a control panel (108), the air inlet (101) is formed in the top of the activated carbon box body (1), the air outlet (102) is formed in the lower portion of the left side of the activated carbon box body (1), the three layers of activated carbon adsorption nets (105) are installed above the inside of the activated carbon box body (1), the support legs (106) are arranged at the bottom of the activated carbon box body (1), the sewage outlet (107) is formed in the right side of the bottom of the activated carbon box body (1), and the control panel (108) is arranged at the front end of the activated carbon box body (1);
the nitrogen heat exchanger (2) comprises a steam inlet (201), a steam outlet (202), a nitrogen inlet (203), a nitrogen transmission main pipe (204), a nitrogen stripping valve (205), a steam control valve (206), a nitrogen transmission auxiliary pipe (207), a nitrogen transmission branch pipe (208) and an opening (209), the nitrogen heat exchanger (2) is arranged on the right side of the activated carbon box body (1), the steam inlet (201) is formed above the left side of the nitrogen heat exchanger (2), the steam outlet (202) is formed below the right side of the nitrogen heat exchanger (2), the nitrogen inlet (203) is formed in the bottom of the nitrogen heat exchanger (2), and the nitrogen transmission main pipe (204) is arranged at the top of the nitrogen heat exchanger (2);
the condenser (3), the condenser (3) comprises a condensed water inlet (301), a condensed water outlet (302), a pump body interface (303), a condensation control valve (304), a gas-guide tube (305), an activated carbon box body desorption valve (306), a flow-guide tube (307), a receiving tank (308) and an electromagnetic valve (309), the condenser (3) is arranged at the upper right part of the activated carbon box body (1), a condensed water inlet (301) is arranged at the lower right part of the condenser (3), a condensed water outlet (302) is arranged at the upper part of the left side of the condenser (3), the top of the condenser (3) is provided with a pump body interface (303), the pump body interface (303) is connected with an external vacuum pump, the lower part of the left side of the condenser (3) is connected with the right side of the top of the activated carbon box body (1) through an air duct (305), the lower part of the condenser (3) is connected with a receiving tank (308) through a guide pipe (307).
2. The adsorption, desorption and condensation device for VOCs tail gas treatment according to claim 1, wherein: an air inlet valve (103) is installed on the air inlet (101), and an exhaust valve (104) is installed on the air outlet (102).
3. The adsorption, desorption and condensation device for VOCs tail gas treatment according to claim 1, wherein: and the steam inlet (201) and the steam outlet (202) are provided with steam control valves (206), and the steam inlet (201) and the steam outlet (202) are connected with an external steam generator.
4. The adsorption, desorption and condensation device for VOCs tail gas treatment according to claim 1, wherein: defeated nitrogen is responsible for (204) and is gone up and install nitrogen gas blow-off valve (205), defeated nitrogen is responsible for (204) left side and is connected with defeated nitrogen auxiliary pipe (207), the left side of defeated nitrogen auxiliary pipe (207) is connected with three defeated nitrogen branch pipes (208), defeated nitrogen branch pipe (208) insert inside active carbon box (1), defeated nitrogen branch pipe (208) are located the below of active carbon adsorption net (105), a plurality of openings (209) have been seted up on defeated nitrogen branch pipe (208).
5. The adsorption, desorption and condensation device for VOCs tail gas treatment according to claim 1, wherein: install condensation control valve (304) on comdenstion water entry (301) and comdenstion water outlet (302), comdenstion water entry (301) and comdenstion water outlet (302) are connected with outside condensate water tank, install activated carbon box desorption valve (306) on air duct (305), install solenoid valve (309) on honeycomb duct (307).
6. The adsorption, desorption and condensation device for VOCs tail gas treatment according to claim 1, wherein: the control panel (108) is electrically connected with the air inlet valve (103), the exhaust valve (104), the nitrogen heat exchanger (2), the nitrogen stripping valve (205), the steam control valve (206), the condenser (3), the condensation control valve (304), the activated carbon box body desorption valve (306) and the electromagnetic valve (309).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120641006.2U CN214809636U (en) | 2021-03-30 | 2021-03-30 | VOCs tail gas treatment adsorbs desorption condensing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120641006.2U CN214809636U (en) | 2021-03-30 | 2021-03-30 | VOCs tail gas treatment adsorbs desorption condensing equipment |
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| Publication Number | Publication Date |
|---|---|
| CN214809636U true CN214809636U (en) | 2021-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120641006.2U Expired - Fee Related CN214809636U (en) | 2021-03-30 | 2021-03-30 | VOCs tail gas treatment adsorbs desorption condensing equipment |
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| CN (1) | CN214809636U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114699877A (en) * | 2022-03-09 | 2022-07-05 | 南京大学环境规划设计研究院集团股份公司 | Device for recovering tetrahydrofuran |
-
2021
- 2021-03-30 CN CN202120641006.2U patent/CN214809636U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114699877A (en) * | 2022-03-09 | 2022-07-05 | 南京大学环境规划设计研究院集团股份公司 | Device for recovering tetrahydrofuran |
| CN114699877B (en) * | 2022-03-09 | 2023-02-14 | 南京大学环境规划设计研究院集团股份公司 | Device for recovering tetrahydrofuran |
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