CN213193115U - Integrated treatment equipment for synthetic pharmaceutical waste gas - Google Patents
Integrated treatment equipment for synthetic pharmaceutical waste gas Download PDFInfo
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- CN213193115U CN213193115U CN202021899980.0U CN202021899980U CN213193115U CN 213193115 U CN213193115 U CN 213193115U CN 202021899980 U CN202021899980 U CN 202021899980U CN 213193115 U CN213193115 U CN 213193115U
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Abstract
The utility model provides a synthetic pharmacy waste gas integration treatment facility. The integrated treatment equipment for the synthetic pharmaceutical waste gas comprises a resin adsorption tower, a desulfurizing tower, two first centrifugal fans, an alkaline washing oxidation tower, a water washing spray tower, a paraffin oil absorption tower, a preconditioner, a biological filter, a centrifugal air dryer, an ozone UV photolysis deodorizer, a reversing valve, an active carbon adsorption mechanism, a second centrifugal fan and a chimney, wherein the alkaline washing oxidation tower, the water washing spray tower, the paraffin oil absorption tower, the preconditioner, the biological filter, the centrifugal air dryer, the ozone UV photolysis deodorizer, the reversing valve, the; and air outlets of the two first centrifugal fans are respectively communicated with the resin adsorption tower and the desulfurization tower through gas transmission pipelines. The utility model provides a synthetic pharmacy waste gas integration treatment facility has that the processing pollutant is with strong points to nature, pollutant application scope is wide, can effectively ensure low concentration waste gas discharge to reach standard, cost low relatively, the management degree of difficulty is little, factor of safety is high advantage.
Description
Technical Field
The utility model relates to a synthetic pharmacy technical field especially relates to a synthetic pharmacy waste gas integration treatment facility.
Background
Pharmaceutical enterprises can generate various waste gases in the production and operation processes, and the waste gas generation source is mainly the waste gas generated in the production processes of stirring, reacting, centrifuging, drying, distilling, fermenting, extracting and other drug production processes; large breath and small breath waste gases generated in the raw material storage tank area; waste gas generated by a sewage treatment station; solid waste, the waste gas that the useless storage area of danger produced.
The existing synthetic pharmaceutical waste gas treatment equipment has certain limitations and disadvantages:
1. the treatment process is single and the process pertinence is not strong: the production of a single pharmaceutical product produces a variety of different pollutants with different characteristics rather than a single pollutant, and it is therefore not feasible to adopt one or more simple processes to meet the exhaust gas treatment standards for a variety of pollutants. Different waste gas components need to be treated by adopting a process with strong pertinence, and good treatment effect can be obtained only by controlling various process conditions of good treatment;
2. the adopted RTO has too high cost, high use cost and high maintenance cost: and more organic waste gas is directly subjected to an RTO process, so that the investment cost is extremely high. Most of the synthetic pharmaceutical waste gas has low organic concentration, especially many pollutant types can remove most pollutants through mature pretreatment processes, the organic concentration entering the RTO furnace after pretreatment is low, and extra fuel (such as natural gas) is needed for combustion supporting, so that the use cost of the system is greatly increased. However, the direct entry to the RTO without the pretreatment may cause the ROT to be damaged, fail and even cause a safety risk. RTOs are therefore not used in most low concentration synthetic pharmaceutical waste gases;
3. the failure of the treatment is caused by the imperfect and inaccurate pretreatment process of the main process (such as ROT, catalytic combustion, catalytic oxidation) of the organic waste gas: most of the main processes for treating organic waste gas need to be correctly performed with effective pretreatment processes to help normal and stable operation, and incorrect pretreatment processes and poor pretreatment processes can cause failure of main treatment companies and even damage to equipment. For example, sulfur dioxide poisons catalysts, corrosive waste gas corrodes system equipment, and the catalytic oxidation and catalytic combustion risks exist when the concentration of certain pollutants is too high or the relative humidity is too high;
4. the activated carbon treatment process has good effect, but has short service life, large hazardous waste treatment capacity and high cost: due to the inherent adsorption characteristics of the activated carbon, the application range of the activated carbon to pollutants is very wide, and the activated carbon is commonly used for treating various organic waste gases, but although an activated carbon treatment system has the advantages of low early investment, wide application range, convenience in use and the like, the activated carbon of the equipment is high in saturation speed and high in regeneration difficulty, and the activated carbon is extremely high in cost for treating hazardous waste and is not suitable for treating pharmaceutical waste gases.
Therefore, there is a need to provide a new integrated treatment device for synthetic pharmaceutical waste gas to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a have that the treatment pollutants is with strong points, pollutant application scope is wide, can effectively ensure low concentration waste gas discharge to reach standard, cost low relatively, the management degree of difficulty is little, factor of safety is high synthesis pharmacy waste gas integration treatment facility.
In order to achieve the above object, the utility model provides a synthetic pharmacy waste gas integration treatment facility includes: the device comprises a resin adsorption tower, a desulfurizing tower, two first centrifugal fans, an alkaline washing oxidation tower, a water washing spray tower, a paraffin oil absorption tower, a pre-conditioner, a biological filter, a centrifugal air dryer, an ozone UV photolysis deodorizer, a reversing valve, an active carbon adsorption mechanism, a second centrifugal fan and a chimney which are sequentially connected through a gas transmission pipeline; the air outlets of the two first centrifugal fans are respectively communicated with the resin adsorption tower and the desulfurization tower through gas transmission pipelines; and the resin adsorption tower and the desulfurization tower are communicated with a waste gas inlet of the alkaline washing oxidation tower.
Preferably, the alkaline washing oxidation tower and the water washing spray tower are all provided with a PH online monitoring system, an audible and visual alarm system and a liquid level monitoring and automatic water supplementing system, the alkaline washing oxidation tower is further provided with a medicament adding mechanism, the medicament adding mechanism comprises a medicament box and a medicament adding pump, the medicament box is connected with the medicament adding pump through a pipeline, the air speed of the empty tower of the water washing spray tower is 0.5-1m/s, and the retention time is 2-5 s.
Preferably, be equipped with circulation spraying system on the preconditioning device, circulation spraying system includes circulating pump, nozzle, support piece, circulating line, be equipped with the packing layer in the preconditioning device, it has the multiaspect clean shot filler to fill in the packing layer, be provided with access door and access cover on the preconditioning device.
Preferably, a filter spraying system is arranged on the biological filter and comprises a spraying pump, a second nozzle, a second supporting piece and a spraying pipeline, an automatic control system is arranged on the filter spraying system and is controlled by the automatic control system, a drainage system is arranged at the bottom of the biological filter, and special high-efficiency combined filler containing multi-level composition is filled in the biological filter.
Preferably, the material of the ozone UV photolysis deodorizer is SUS304 stainless steel.
Preferably, the height of the chimney is 15 m.
Compared with the prior art, the utility model discloses beneficial effect:
the integrated treatment equipment for the waste gas of the synthetic pharmacy provided by the utility model adsorbs and desorbs the waste gas through the resin adsorption tower and the desulfurizing tower, spraying sodium hydroxide lye to the waste gas through an alkaline washing oxidation tower so as to be convenient for reacting with acid gas in the waste gas and effectively removing sulfur dioxide, hydrogen sulfide and other sulfides in the waste gas, according to the pollutant condition of the waste gas, an oxidant-sodium hypochlorite can be added in the alkaline washing oxidation tower in a metered manner, the addition of the oxidant can promote substances in the waste gas, such as acetonitrile, to be decomposed into biochemically degradable substance acetic acid, which is beneficial to the effective decomposition of a back-stage biofilter, through a PH on-line monitoring system, an audible and visual alarm system, a medicament feeding mechanism and a liquid level monitoring and automatic water replenishing system, the method can allow managers to pay attention to the consumption condition of the medicament at any time, ensure the effective dosage conservation of the medicament and ensure the pretreatment effect of the treated waste gas;
removing pollutants with high water solubility carried in the waste gas by a water washing spray tower, washing to remove the water soluble pollutants, and spraying acid liquid to react with alkaline pollutants in the waste gas according to the process change so as to further reduce the concentration of the pollutants in the waste gas;
the paraffin oil absorption tower is used for removing fat-soluble pollutants in the waste gas, so that the concentration of the pollutants in the waste gas is further reduced;
the temperature and the humidity of the waste gas are regulated by the pre-regulator, the multi-surface hollow seasoning in the pre-regulator has the advantages of high heat dissipation performance, small resistance, good water distribution and gas distribution performance and the like, and the multi-surface hollow seasoning serving as an effective buffer can reduce the peak value of high-concentration pollution load and is beneficial to subsequent biological treatment;
the biological filter has the advantages that pollutants in waste gas are decomposed into carbon dioxide, water and other inorganic matters through adsorption, absorption and biodegradation of microorganisms in the biological filter, the biological filler in the biological filter has good permeability and structural stability, compression and acidification of the biological filler can be effectively prevented, an optimal environment for growth of the microorganisms is provided, a filter pool spraying system in the biological filter is controlled by an automatic control system and is sprayed intermittently according to actual conditions, spraying water can cover the whole biological filter pool, no dead angle exists, the filler keeps constant humidity, and an environment beneficial to growth of the microorganisms is created;
the waste gas is dried by a centrifugal air dryer, and the air outlet of the centrifugal air dryer is stable, so that the requirement of the ozone UV photolysis deodorizer on the humidity of the waste gas is met;
the waste gas which is not completely degraded and does not reach the standard due to seasonal variation of biological activity after being treated by a biological filter and is dried by a centrifugal air dryer is treated by an ozone UV photolysis deodorizer, the waste gas is oxidized by generating ozone, and the high-energy high-ozone UV light beam irradiates the waste gas to crack industrial waste gas, degrade and convert the industrial waste gas into low molecular compounds, water and carbon dioxide;
still have to have behind the ozone UV photolysis deodorizer through active carbon adsorption mechanism and adsorb by the gas that does not decompose to make gaseous emission up to standard, and active carbon adsorption device also can play emergency role when other process section equipment trouble, handles up to standard qualified waste gas and discharges up to standard by the chimney.
Drawings
Fig. 1 is a schematic structural diagram of a preferred embodiment of the integrated treatment equipment for the waste gas of the traditional Chinese medicine synthesis pharmacy of the present invention.
In the figure: 1. a resin adsorption tower; 2. a desulfurizing tower; 3. a first centrifugal fan; 4. washing an oxidation tower with alkali; 5. washing the spray tower with water; 6. a paraffin oil absorption tower; 7. a pre-conditioner; 8. a biological filter; 9. a centrifugal air dryer; 10. ozone UV photolysis deodorizer; 11. a diverter valve; 12. an activated carbon adsorption mechanism; 13. a second centrifugal fan; 14. and (4) a chimney.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and embodiments.
Please refer to the drawings, wherein fig. 1 is a schematic structural diagram of a preferred embodiment of the integrated synthetic pharmaceutical waste gas treatment apparatus according to the present invention. Synthetic pharmacy waste gas integration treatment facility includes: the device comprises a resin adsorption tower 1, a desulfurizing tower 2, two first centrifugal fans 3, an alkaline washing oxidation tower 4, a water washing spray tower 5, a paraffin oil absorption tower 6, a preconditioner 7, a biological filter 8, a centrifugal air dryer 9, an ozone UV photolysis deodorizer 10, a reversing valve 11, an active carbon adsorption mechanism 12, a second centrifugal fan 13 and a chimney 14 which are sequentially connected through a gas transmission pipeline; the air outlets of the two first centrifugal fans 3 are respectively communicated with the resin adsorption tower 1 and the desulfurization tower 2 through gas transmission pipelines; the resin adsorption tower 1 and the desulfurization tower 2 are both communicated with a waste gas inlet of the alkaline washing oxidation tower 4.
The alkaline washing oxidation tower 4 with all be provided with PH on-line monitoring system, audible and visual alarm system and liquid level control and automatic water supply system on the washing spray tower 5, still be equipped with medicament on the alkaline washing oxidation tower 4 and throw with the mechanism, medicament is thrown with the mechanism and is thrown with the pump including medicament case, medicament, the medicament case with the pump is thrown with the medicament passes through the pipe connection, the empty tower gas velocity of washing spray tower 5 is 0.5-1m/s, and dwell time is 2-5 s.
Be equipped with circulation spraying system on the preconditioning device 7, circulation spraying system includes circulating pump, nozzle, support piece, circulating line, be equipped with the packing layer in the preconditioning device 7, it has the multiaspect clean shot to pack in the packing layer, be provided with access door and access cover on the preconditioning device 7.
The biological filter 8 is provided with a filter spraying system, the filter spraying system comprises a spraying pump, a second nozzle, a second supporting piece and a spraying pipeline, an automatic control system is arranged on the filter spraying system, the filter spraying system is controlled by the automatic control system, a drainage system is arranged at the bottom of the biological filter 8, and special high-efficiency combined filler containing multi-level composition is filled in the biological filter 8.
The ozone UV photolysis deodorizer 10 is made of SUS304 stainless steel.
The height of the chimney 14 is 15 m.
The utility model provides a synthetic pharmacy waste gas integration treatment facility's theory of operation as follows:
in the treatment equipment, a first centrifugal fan 3 connected with a resin adsorption tower 1 is used for conveying waste gas of a synthetic pharmaceutical production workshop to the resin adsorption tower 1, a first centrifugal fan 3 connected with a desulfurizing tower 2 is used for conveying waste gas of an anaerobic tower of a sewage treatment station to the desulfurizing tower 2, the waste gas respectively adsorbed and desorbed by the resin adsorption tower 1 and the desulfurizing tower 2 enters an alkaline washing oxidation tower 4, spraying sodium hydroxide lye to the waste gas in an alkaline washing oxidation tower 4 so as to be convenient for reacting with organic acid gas and inorganic acid gas in the waste gas and effectively removing sulfur dioxide, hydrogen sulfide, other sulfides and the like in the waste gas, according to the pollutant condition of the waste gas, an oxidant, namely sodium hypochlorite, can be metered and added into the alkaline washing oxidation tower 4, and the addition of the oxidant can promote substances in the waste gas, such as acetonitrile and the like to be decomposed into biochemically degradable substances, namely acetic acid, so that the back-end biofilter 8 can be effectively decomposed;
the pretreated waste gas treated by the alkaline washing oxidation tower 4 enters a water washing spray tower 5, and is continuously washed with pollutants with high water solubility carried in the gas in a spraying mode so as to remove the water-soluble pollutants, and the acid spraying liquid can be sprayed to react with alkaline pollutants in the waste gas when the process changes, so that the concentration of the pollutants in the waste gas is further reduced;
pollutants which cannot be sprayed and washed enter the paraffin oil absorption tower 6 at the rear end, and paraffin oil is used as absorption liquid in the paraffin oil absorption tower 6 according to pollutant components in the waste gas to remove fat-soluble pollutants in the waste gas and further reduce the concentration of the pollutants in the waste gas;
the circulating liquid is sprayed to remove large particle dust in the waste gas, most soluble (water-soluble and fat-soluble) pollutants in the waste gas are removed, after the treatment of the three-stage spraying process, the organic waste gas with strong biodegradability (such as ethyl acetate, tert-butyl alcohol, dihydropyran and other substances, malodorous gas generated by fermentation and VOCS) enters the pre-conditioner 7 before entering the biological filter 8, the temperature and the humidity of the waste gas are obtained through a circulating spraying system of the pre-conditioner 7, and the pre-conditioner 7 is used as an effective buffer, so that the peak value of high-concentration pollution load can be reduced, and the subsequent biological treatment is facilitated;
the waste gas with proper pH value and pretreated by full alkali washing oxidation, water washing spray, paraffin oil absorption and the like at the front section enters a biological filter 8 after humidification and temperature regulation, a special high-efficiency combined filler containing multi-level composition adopted by a biological filler in the biological filter 8 has good permeability and structural stability, can effectively prevent the biological filler from being compressed and acidified and provides the best environment for the growth of microorganisms, a filter pool spray system in the biological filter 8 is controlled by an automatic control system and sprays intermittently according to actual conditions, the spray water can cover the whole biological filter pool without dead angles, so that the filler keeps constant humidity and an environment beneficial to the growth of the microorganisms is created, and the pretreated waste gas is adsorbed, absorbed and biodegraded by the microorganisms attached and grown on a biological bed in the biological filter 8 to decompose pollutants into carbon dioxide, Water and other inorganic materials;
the part of organic waste gas and odor passing through the biological filter 8 still have the possibility that the biodegradation treatment is not thorough and does not reach the standard due to the seasonal change problem of biological activity, so the ozone UV photolysis deodorizer 10 is required to continuously treat the gas treated by the biological filter 8, but the humidity of the waste gas is required to be higher by the ozone UV photolysis deodorizer 10, so the waste gas is dried by the centrifugal air dryer 9 before entering the ozone UV photolysis deodorizer 10, and the gas outlet of the centrifugal air dryer 9 is stable;
waste gas after centrifugal air dryer 9 drying gets into ozone UV photodissociation deodorizer 10, utilizes the oxygen molecule in the high-energy high ozone UV ultraviolet ray beam decomposition air to produce free oxygen, active oxygen promptly, because of the unbalanced positive negative electron that free oxygen carried so need combine with the oxygen molecule, and then produces ozone, and well known ozone has extremely strong oxidation to the organic matter to, high-energy high ozone UV ultraviolet ray beam shines waste gas, and schizolysis industrial waste gas is as: ammonia, trimethylamine, hydrogen sulfide, methylthio hydrogen, methyl mercaptan, methyl sulfide, dimethyl disulfide, carbon disulfide, styrene, sulfides, VOCs, molecular chain structures of benzene, toluene and xylene, so that organic or inorganic high-molecular malodorous compound molecular chains are degraded and converted into low-molecular compounds, water and carbon dioxide under the irradiation of high-energy ultraviolet light beams, and are conveyed to a chimney 14 through a second centrifugal fan 13 and discharged from the chimney 14 after reaching the standard.
The gas which may not be decomposed still exists after passing through the ozone UV photolysis deodorizer 10, the gas is introduced into the activated carbon adsorption mechanism 12 through the reversing valve 11, the gas is discharged up to the standard through the adsorption effect of the activated carbon, and the activated carbon adsorption device can also play an emergency role when other process section equipment fails, and the qualified waste gas after reaching the standard is discharged up to the standard through the chimney 14. The reversing valve 11 is arranged in front of the active device, and does not pass through the active adsorption device when the active adsorption device reaches the standard in the front treatment working section.
Compared with the prior art, the utility model provides a synthetic pharmacy waste gas integration treatment facility has following advantage:
after the adsorption and desorption treatment of the waste gas by the resin adsorption tower 1 and the desulfurization tower 2, sodium hydroxide alkali liquor is sprayed to the waste gas by the alkaline washing oxidation tower 4 so as to be convenient for reacting with acid gas in the waste gas and effectively remove sulfur dioxide, hydrogen sulfide, other sulfides and the like in the waste gas, an oxidant, namely sodium hypochlorite, can be metered and added into the alkaline washing oxidation tower 4 according to the pollutant condition of the waste gas, the addition of the oxidant can promote substances such as acetonitrile and the like in the waste gas to be decomposed into biochemically degradable substance acetic acid, and the effective decomposition of a rear-section biofilter 8 is facilitated, so that managers can pay attention to the medicament consumption condition at any time through a PH online monitoring system, an acousto-optic alarm system, a medicament adding mechanism and a liquid level monitoring and automatic water replenishing system, the effective dosage of the medicament is ensured, and the pretreatment effect of the treated;
removing pollutants with high water solubility carried in the waste gas by a water washing spray tower 5, washing to remove the water soluble pollutants, and spraying acid liquid to react with alkaline pollutants in the waste gas according to the process change so as to further reduce the concentration of the pollutants in the waste gas;
the paraffin oil absorption tower 6 is used for removing fat-soluble pollutants in the waste gas, and the concentration of the pollutants in the waste gas is further reduced;
the temperature and the humidity of the waste gas are regulated by the pre-regulator 7, and the multi-surface hollow seasoning in the pre-regulator 7 has the advantages of high heat dissipation performance, small resistance, good water distribution and gas distribution performance and the like, and can be used as an effective buffer, reduce the peak value of high-concentration pollution load and be beneficial to subsequent biological treatment;
the biological filter 8 has the advantages that pollutants in the waste gas are decomposed into carbon dioxide, water and other inorganic matters through adsorption, absorption and biodegradation of microorganisms in the biological filter 8, the biological filler in the biological filter 8 has good permeability and structural stability and contains a special high-efficiency combined filler with multiple grades, compression and acidification of the biological filler can be effectively prevented, an optimal environment for growth of the microorganisms is provided, a filter pool spraying system in the biological filter 8 is controlled by an automatic control system, intermittent spraying is carried out according to actual conditions, spraying water can cover the whole biological filter pool, no dead angle exists, the filler is enabled to keep constant humidity, and an environment beneficial to growth of the microorganisms is created;
the waste gas is dried by the centrifugal air dryer 9, and the air outlet of the centrifugal air dryer 9 is stable, so that the requirement of the ozone UV photolysis deodorizer 10 on the humidity of the waste gas is met;
the waste gas which is treated by the biological filter 8 and is not degraded thoroughly and does not reach the standard due to seasonal variation of biological activity is treated by the ozone UV photolysis deodorizer 10, the waste gas is dried by the centrifugal air dryer 9, the waste gas is oxidized by generating ozone, and the high-energy high-ozone UV light beam irradiates the waste gas to crack industrial waste gas to be degraded and converted into low molecular compounds, water and carbon dioxide;
the active carbon adsorption mechanism 12 is used for adsorbing gas which may not be decomposed after the ozone UV photolysis deodorizer 10, so that the gas is discharged after reaching the standard, and the active carbon adsorption device can also play an emergency role when other process section equipment fails, and the qualified waste gas after reaching the standard is discharged after reaching the standard through the chimney 14.
Claims (6)
1. An integrated treatment device for synthetic pharmaceutical waste gas, comprising:
the device comprises a resin adsorption tower, a desulfurizing tower, two first centrifugal fans, an alkaline washing oxidation tower, a water washing spray tower, a paraffin oil absorption tower, a pre-conditioner, a biological filter, a centrifugal air dryer, an ozone UV photolysis deodorizer, a reversing valve, an active carbon adsorption mechanism, a second centrifugal fan and a chimney which are sequentially connected through a gas transmission pipeline;
the air outlets of the two first centrifugal fans are respectively communicated with the resin adsorption tower and the desulfurization tower through gas transmission pipelines;
and the resin adsorption tower and the desulfurization tower are communicated with a waste gas inlet of the alkaline washing oxidation tower.
2. The integrated synthetic pharmaceutical waste gas treatment facility of claim 1, wherein: the alkaline washing oxidation tower and all be provided with PH on-line monitoring system, audible and visual alarm system and liquid level control and automatic water supply system on the washing spray tower, still be equipped with medicament on the alkaline washing oxidation tower and throw with the mechanism, medicament is thrown with the mechanism and is thrown with the pump including medicament case, medicament, the medicament case with the medicament is thrown with the pump and is passed through the pipe connection, the empty tower gas velocity of washing spray tower is 0.5-1 m/s.
3. The integrated synthetic pharmaceutical waste gas treatment facility of claim 1, wherein: be equipped with circulation spraying system on the preconditioning device, circulation spraying system includes circulating pump, nozzle, support piece, circulating line, be equipped with the packing layer in the preconditioning device, it has the multiaspect clean shot to pack in the packing layer, be provided with access door and access cover on the preconditioning device.
4. The integrated synthetic pharmaceutical waste gas treatment facility according to any one of claims 1 to 3, wherein: the biological filter is provided with a filter spraying system, the filter spraying system comprises a spraying pump, a second nozzle, a second supporting piece and a spraying pipeline, an automatic control system is arranged on the filter spraying system, the filter spraying system is controlled by the automatic control system, and a drainage system is arranged at the bottom of the biological filter.
5. The integrated synthetic pharmaceutical waste gas treatment facility of claim 4, wherein: the material of the ozone UV photolysis deodorizer is SUS304 stainless steel.
6. The integrated synthetic pharmaceutical waste gas treatment facility of claim 5, wherein: the height of the chimney is 15 m.
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| CN202021899980.0U CN213193115U (en) | 2020-09-03 | 2020-09-03 | Integrated treatment equipment for synthetic pharmaceutical waste gas |
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| CN202021899980.0U CN213193115U (en) | 2020-09-03 | 2020-09-03 | Integrated treatment equipment for synthetic pharmaceutical waste gas |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114191968A (en) * | 2021-12-10 | 2022-03-18 | 桂林南药股份有限公司 | Combined treatment system and method for waste gas generated in chemical pharmaceutical wastewater treatment process |
| CN114748999A (en) * | 2022-05-07 | 2022-07-15 | 富滇环保科技股份有限公司 | Device and method for treating malodorous gas produced by gel in natural rubber industry |
| CN115228271A (en) * | 2022-08-10 | 2022-10-25 | 深圳市环源科技发展有限公司 | Multistage chemical-biological deodorization system that unites |
-
2020
- 2020-09-03 CN CN202021899980.0U patent/CN213193115U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114191968A (en) * | 2021-12-10 | 2022-03-18 | 桂林南药股份有限公司 | Combined treatment system and method for waste gas generated in chemical pharmaceutical wastewater treatment process |
| CN114748999A (en) * | 2022-05-07 | 2022-07-15 | 富滇环保科技股份有限公司 | Device and method for treating malodorous gas produced by gel in natural rubber industry |
| CN115228271A (en) * | 2022-08-10 | 2022-10-25 | 深圳市环源科技发展有限公司 | Multistage chemical-biological deodorization system that unites |
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