CN108993113B - Multi-process combined system and method for treating organic waste gas odor - Google Patents
Multi-process combined system and method for treating organic waste gas odor Download PDFInfo
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- 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
- B01D53/34—Chemical or biological purification of waste gases
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Abstract
The invention discloses a multi-process combined system for treating organic waste gas odor, which comprises the following steps: a pretreatment system and an adsorption degradation system; the pretreatment system consists of a water film dust remover, an induced draft fan, an alkaline washing tower, a spray water pump and a tube bundle dust removal demister; the system comprises a water film dust remover, an induced draft fan, an alkaline washing tower and a tube bundle dust removal demister which are sequentially connected, wherein the alkaline washing tower is also connected with an alkaline liquor pool, the alkaline liquor pool is also connected with a first heat exchanger through a spray water pump, and the first heat exchanger is connected with a comprehensive water pool through a first circulating water pump; the water film dust remover is connected with a second heat exchanger through a second circulating water pump, the water film dust remover is also connected with the second heat exchanger through a filter, and the second heat exchanger is connected with a comprehensive water tank; the adsorption degradation system consists of a resin adsorption device, a UV photo-oxygen catalysis device and an activated carbon adsorption device. The tail gas generated by drying can be purified, the concentration of VOCs is reduced, and the emission is finally up to the standard.
Description
Technical Field
The invention relates to the technical field of waste gas treatment, in particular to a multi-process combined system and a method suitable for treating organic waste gas smell generated by drying of a dryer.
Background
In recent years, the reduction and energy utilization of waste materials with high water content, such as traditional Chinese medicine residues, antibiotic fungi residues and the like, are widely concerned, wherein dehydration and desiccation are important process links of reduction or energy treatment of the waste materials, and generally, extracellular water of the materials is removed to the water content of about 60% by adopting a mechanical filter pressing mode, and then the materials need to be dried by an external heat source to remove more water. However, the volatile organic pollutants VOCs generated in the drying process are various in types, are continuous, durable and variable in components, and have great harm to the surrounding environment and human health.
At present, the methods such as a plasma method, a UV light oxygen method, a combustion method, activated carbon adsorption and the like are adopted in domestic organic waste gas treatment projects. The prior art has the problems of high cost, complex operation, secondary pollution and the like in the treatment of high-temperature high-humidity complex and variable organic waste gas with high concentration, large air quantity, moisture, dust and the like.
The method has the advantages that the proper treatment method is adopted, the content of VOCs, peculiar smell and other harmful components in the waste gas is reduced, the waste gas can be discharged up to the standard, no secondary pollution is generated, the continuous and stable operation of engineering is met, the investment and operation cost are considered, a resource-saving and environment-friendly production and disposal mode is constructed, and the method is an important research subject in the organic waste gas smell treatment process. Therefore, it is necessary to design a method for treating organic waste gas odor to solve the above problems.
Disclosure of Invention
In order to overcome the defects of the prior art, the multi-process combined system and the method for treating the organic waste gas odor are provided, tail gas generated by drying can be purified, the concentration of VOCs is reduced, and the emission reaches the standard finally.
In order to achieve the purpose, the invention adopts the following technical scheme:
a multi-process combined system for treating odor of waste gas generated by drying traditional Chinese medicine residues and antibiotic bacterium residues comprises the following steps: a pretreatment system and an adsorption degradation system;
the pretreatment system consists of a water film dust remover, an induced draft fan, an alkaline washing tower, a spray water pump and a tube bundle dust removal demister; the system comprises a water film dust remover, an induced draft fan, an alkaline washing tower and a tube bundle dust removal demister which are sequentially connected, wherein the alkaline washing tower is also connected with an alkaline liquor pool, the alkaline liquor pool is also connected with a first heat exchanger through a spray water pump, and the first heat exchanger is connected with a comprehensive water pool through a first circulating water pump;
the water film dust remover is connected with a second heat exchanger through a second circulating water pump, the water film dust remover is also connected with the second heat exchanger through a filter, and the second heat exchanger is connected with a comprehensive water tank;
the adsorption degradation system consists of a resin adsorption device, a UV photo-oxygen catalysis device and an active carbon adsorption device;
the resin adsorption device, the UV photo-oxygen catalysis device and the activated carbon adsorption device are sequentially connected, and the resin adsorption device is connected with the tube bundle dust removal demister.
At present, the mature waste gas treatment technologies comprise a condensation method, an absorption method, an incineration method, an adsorption method, a biological treatment method and the like, but because the components of the waste gas dried by the traditional Chinese medicine residues and the antibiotic bacterium residues are complex, and the waste gas is high in temperature and humidity, new impurities are easily generated again by reaction in the treatment process, and the treatment difficulty is high. Therefore, the system researches the composition characteristics of the waste dried waste gas of the traditional Chinese medicine residues and the antibiotic fungi residues and the influence of different treatment processes on the waste gas removal effect, and discovers the following components in a large-scale experiment: the process combination of alkali washing, demisting, resin adsorption, photocatalysis and active carbon adsorption is adopted, so that the contents of VOCs, peculiar smell and other harmful components in the waste gas can be effectively removed, and the waste gas can reach the emission standard.
In some embodiments, one side of the integrated water pool is connected with a cooling tower through a third circulating water pump, and the cooling tower is also directly connected with the integrated water pool.
In some embodiments, the resin adsorption device is formed by connecting two sets of resin adsorption devices in parallel.
In some embodiments, the water scrubber is coupled to a dryer.
In some embodiments, the activated carbon adsorption tank is connected to the exhaust funnel.
The invention also provides a multi-process combined treatment method for treating the odor of the waste drying gas of the traditional Chinese medicine residues and the antibiotic fungi residues, which comprises the following steps:
cooling and dedusting the waste gas by a water film deduster, washing with alkali, and then demisting and dedusting;
carrying out resin adsorption, UV photo-oxygen catalysis and active carbon adsorption on the waste gas subjected to temperature reduction, demisting and dedusting in sequence, and then discharging;
the washing water of the water film dust remover exchanges heat with the water in the comprehensive water pool through a circulating pump and a heat exchanger;
and the waste water discharged by the alkaline tower exchanges heat with water in the comprehensive water pool through the spray pump and the heat exchanger.
The research of the application finds that: the waste gas generated by drying the traditional Chinese medicine residues and the antibiotic fungi residues is acidic, so that the waste gas is firstly subjected to alkaline washing to remove acidic organic gas components; after the alkali washing, the moisture content of the waste gas is large, and the waste gas is not suitable for activated carbon adsorption, so that demisting and dedusting equipment is added in the alkali washing process to effectively reduce the moisture content of the waste gas; meanwhile, conventional activated carbon treatment is replaced by resin adsorption treatment, the characteristics that macroporous resin is stable in physical and chemical properties and is not influenced by inorganic salts and strong ion low molecular compounds are utilized, the waste gas is subjected to primary separation, purification, impurity removal and concentration, the waste gas adsorbed by the resin can be quickly decomposed into water and carbon dioxide under the catalysis of UV photooxidation, and the overall treatment efficiency and removal rate are improved; and meanwhile, the organic matter content adsorbed by the activated carbon is less, so that the service life of the activated carbon can be effectively prolonged.
In some embodiments, the resin is recycled after being blown off and regenerated by steam or hot air at 120-150 ℃ in the working intermittent period.
In some embodiments, the blown off exhaust gas is catalytically decomposed by UV photo-oxygen.
In some embodiments, the waste gas is waste gas generated in a drying process of waste materials such as traditional Chinese medicine residues and antibiotic residues.
In some embodiments, the caustic wash solution employs a basic circulating water having a pH greater than 7.
The invention has the advantages of
(1) The invention can realize the stepwise continuous purification treatment of the industrial organic waste gas with high temperature, high humidity, high concentration and complex and changeable components, and ensure the odor treatment effect.
(2) The preparation method and the required equipment are simple and easy to operate, the technological parameters are convenient to control, and the use cost of raw materials and instrument equipment is low.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.
FIG. 1 is a schematic diagram of the present invention.
The system comprises a dryer 1, a water film dust remover 2, an induced draft fan 3, an alkaline washing tower 4, an alkaline solution pool 5, a spray water pump 6, a tube bundle dust and mist removal device 7, a resin adsorption device 1, 9, a resin adsorption device 2, 10-UV photo-oxygen catalyst, an activated carbon adsorption box 11, an exhaust funnel 12, a circulating water pump 1, 14, a cooling tower 15, a circulating water pump 2, 16, a circulating water pump 3, a heat exchanger 1, a heat exchanger 2, a heat exchanger 20 and a comprehensive water pool 17.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
A multi-process combined system and a method for treating organic waste gas odor comprise the following steps: the system comprises a pretreatment system, an adsorption degradation system and a cooling system;
the pretreatment system comprises a water film dust collector, an induced draft fan, an alkaline washing tower, a spray water pump, a tube bundle dust removal demister and a connecting pipeline;
the adsorption degradation system comprises a resin adsorption device, a UV photo-oxygen catalysis device and an activated carbon adsorption device. The resin adsorption device carries out enrichment adsorption to organic waste gases such as VOCs, peculiar smell component, comprises one with one and prepare two sets of resin adsorption device, and the resin adsorption material of work intermission period device can adopt 120~150 ℃ steam or hot-air to blow off regeneration back circulation and use, and the waste gas of desorption and steam mixture let in UV light oxygen catalytic unit and decompose after the condensation dewatering.
The resin adsorption device is a cylindrical tubular structure adsorption column filled with resin, the resin is spherical solid granular nonpolar macroporous adsorption resin, and the pore diameter of the resin is
The specific surface area is more than or equal to 1000m2/g。
The UV tubes used by the UV photo-oxygen catalysis device are arranged in a matrix form by adopting short-wave-band UV tubes and long-wave-band UV tubes which are distributed in a crossing and spaced mode.
Preferably, the wavelength of the ultraviolet rays generated by the short-wavelength band UV tube is 185nm, and the wavelength of the ultraviolet rays generated by the long-wavelength band UV tube is 254 nm.
The active carbon adsorption device is an adsorption box consisting of a plurality of assembled drawer cabinets filled with active carbon, the active carbon is honeycomb active carbon, the base material of the adsorption box is a cube structure with the size of 100 multiplied by 100mm, the aperture is 2 multiplied by 2mm, the pressure bearing of the front side is more than or equal to 1MPa, the pressure bearing of the side surface is more than or equal to 0.5MPa, the contact time and the contact area of gas and the active carbon can be effectively increased, and the adsorption efficiency is further improved.
The dosage of the macroporous absorption resin, the UV tube and the active carbon is set according to the amount of the waste gas to be treated, the components and the concentration of the waste gas.
The cooling system comprises an alkali liquor pool 5, a comprehensive water pool 20, a cooling tower 14, a heat exchanger 1(18), a heat exchanger 2(19), a circulating water pump 1(13), a circulating water pump 2(15), a circulating water pump 3(17) and the like; wherein the alkaline liquid pool 5 provides alkaline circulating water with pH value more than 7 for the alkaline tower 4, the heat exchanger 1(18) is used for cooling the circulating water of the water film dust collector 2, the heat exchanger 2(19) is used for cooling the circulating water of the alkaline tower 4, the comprehensive water pool 20 provides cooling media for the heat exchanger 1(18) and the heat exchanger 2(19), and the circulating water in the comprehensive water pool 20 is cooled by the cooling tower 14 in a self-circulation manner.
The invention is further illustrated by the following figures and examples, using commercially available analytical reagents for the starting materials used in the practice.
The resin adopted in the embodiment of the application is spherical solid granular nonpolar macroporous adsorption resin with the pore diameter of
The specific surface area is more than or equal to 1000m2/g。
The wavelength of the ultraviolet rays generated by the adopted short-wave band UV tube is 185nm, and the wavelength of the ultraviolet rays generated by the long-wave band UV tube is 254 nm.
The adopted activated carbon adsorption device is an adsorption box consisting of a plurality of assembled drawer cabinets filled with activated carbon, the used activated carbon is honeycomb activated carbon, the base material of the adsorption box is a cube structure with the size of 100 multiplied by 100mm, the aperture is 2 multiplied by 2mm, the pressure bearing of the front side is more than or equal to 1MPa, and the pressure bearing of the side surface is more than or equal to 0.5 MPa.
Example 1
A multi-process combined system and a method for treating organic waste gas smell comprise a pretreatment system, an adsorption degradation system and a cooling system.
A pretreatment system:
waste gas discharged from the traditional Chinese medicine residue dryer is firstly subjected to preliminary temperature reduction and dust removal through a water film dust remover 2 under the action of a draught fan 3, and then enters an alkaline washing tower 4 to enable acidic traditional Chinese medicine residue drying tail gas to be subjected to neutralization reaction with alkaline liquor in the alkaline washing tower 4, so that acidic organic gas components are removed, and low-boiling-point VOCs are dissolved and condensed; then enters the tube bundle dust removal demister 7 for demisting and dedusting.
The pretreatment mainly has the effects of cooling, dehumidifying and dedusting the waste gas, neutralizing acid gas, removing the content of low-boiling-point VOCs and peculiar smell components, and creating favorable working conditions for subsequent treatment processes.
An adsorption degradation system:
the waste gas is sprayed and demisted by alkali liquor, then enters resin adsorption devices 8 and 9, a UV photo-oxygen catalyst 10 and an active carbon adsorption box 11 in sequence for purification treatment, and finally is discharged through an exhaust funnel 12. The resin is mainly used for enriching VOCs and peculiar smell components in the waste gas, and is recycled after being blown off and regenerated by steam after reaching a certain concentration; UV photooxidation degrades VOCs peculiar smell components in the waste gas by using ultraviolet light; the active carbon mainly adsorbs UV photolysis fragments, and the tail gas is ensured to be discharged up to the standard.
A cooling system:
the cooling system comprises water film dedusting circulating water and alkaline washing spray water for cooling.
After being filtered by a filter, the wastewater discharged from the water film dust collector 2 is input into a heat exchanger 1(18) through a circulating pump 2(15) to exchange heat with the water in the comprehensive water pool 20, and the cooled water enters the water film dust collector 2 again for recycling.
The waste water discharged from the alkaline tower 4 enters an alkaline liquid pool 5, enters a shell pass of a heat exchanger 2(19) through a spray pump 6, exchanges heat with water in a tube pass, enters the alkaline tower 4 after being cooled, and sprays dried waste gas to complete the cycle work.
Example 2
A multi-process combined system and a method for treating organic waste gas smell comprise a pretreatment system, an adsorption degradation system and a cooling system.
A pretreatment system:
waste gas discharged from the traditional Chinese medicine residue dryer is firstly subjected to preliminary temperature reduction and dust removal through a water film dust remover 2 under the action of a draught fan 3, and then enters an alkaline washing tower 4 to enable acidic traditional Chinese medicine residue drying tail gas to be subjected to neutralization reaction with alkaline liquor in the alkaline washing tower 4, so that acidic organic gas components are removed, and low-boiling-point VOCs are dissolved and condensed; then enters the tube bundle dust removal demister 7 for demisting and dedusting.
The pretreatment mainly has the effects of cooling, dehumidifying and dedusting the waste gas, neutralizing acid gas, removing the content of low-boiling-point VOCs and peculiar smell components, and creating favorable working conditions for subsequent treatment processes.
An adsorption degradation system:
the waste gas is sprayed and demisted by alkali liquor, then enters resin adsorption devices 8 and 9, a UV photo-oxygen catalyst 10 and an active carbon adsorption box 11 in sequence for purification treatment, and finally is discharged through an exhaust funnel 12. The resin is mainly used for enriching VOCs and peculiar smell components in the waste gas, and is recycled after being blown off and regenerated by steam after reaching a certain concentration; UV photooxidation degrades VOCs peculiar smell components in the waste gas by using ultraviolet light; the active carbon mainly adsorbs UV photolysis fragments, and the tail gas is ensured to be discharged up to the standard.
A cooling system:
the cooling system comprises water film dedusting circulating water and alkaline washing spray water for cooling.
After being filtered by a filter, the wastewater discharged from the water film dust collector 2 is input into a heat exchanger 1(18) through a circulating pump 2(15) to exchange heat with the water in the comprehensive water pool 20, and the cooled water enters the water film dust collector 2 again for recycling.
The waste water discharged from the alkaline tower 4 enters an alkaline liquid pool 5, enters a shell pass of a heat exchanger 2(19) through a spray pump 6, exchanges heat with water in a tube pass, enters the alkaline tower 4 after being cooled, and sprays dried waste gas to complete the cycle work.
One side 20 of the comprehensive water pool is connected with the water inlet of the cooling tower 14 through a circulating water pump 1(13), and the water outlet of the cooling tower 14 is also directly connected with the comprehensive water pool 20.
Example 3
A multi-process combined system and a method for treating organic waste gas smell comprise a pretreatment system, an adsorption degradation system and a cooling system.
A pretreatment system:
waste gas discharged from the traditional Chinese medicine residue dryer is firstly subjected to preliminary temperature reduction and dust removal through a water film dust remover 2 under the action of a draught fan 3, and then enters an alkaline washing tower 4 to enable acidic traditional Chinese medicine residue drying tail gas to be subjected to neutralization reaction with alkaline liquor in the alkaline washing tower 4, so that acidic organic gas components are removed, and low-boiling-point VOCs are dissolved and condensed; then enters the tube bundle dust removal demister 7 for demisting and dedusting.
The pretreatment mainly has the effects of cooling, dehumidifying and dedusting the waste gas, neutralizing acid gas, removing the content of low-boiling-point VOCs and peculiar smell components, and creating favorable working conditions for subsequent treatment processes.
An adsorption degradation system:
the waste gas is sprayed and demisted by alkali liquor, then enters resin adsorption devices 8 and 9, a UV photo-oxygen catalyst 10 and an active carbon adsorption box 11 in sequence for purification treatment, and finally is discharged through an exhaust funnel 12. The resin is mainly used for enriching VOCs and peculiar smell components in the waste gas, and is recycled after being blown off and regenerated by steam after reaching a certain concentration; UV photooxidation degrades VOCs peculiar smell components in the waste gas by using ultraviolet light; the active carbon mainly adsorbs UV photolysis fragments, and the tail gas is ensured to be discharged up to the standard.
A cooling system:
the cooling system comprises water film dedusting circulating water and alkaline washing spray water for cooling.
After being filtered by a filter, the wastewater discharged from the water film dust collector 2 is input into a heat exchanger 1(18) through a circulating pump 2(15) to exchange heat with the water in the comprehensive water pool 20, and the cooled water enters the water film dust collector 2 again for recycling.
The waste water discharged from the alkaline tower 4 enters an alkaline liquid pool 5, enters a shell pass of a heat exchanger 2(19) through a spray pump 6, exchanges heat with water in a tube pass, enters the alkaline tower 4 after being cooled, and sprays dried waste gas to complete the cycle work.
The water dust scrubber 2 is connected with the dryer 1.
Example 4
10000Nm for the apparatus described in example 13The amount of the waste gas is/h, the dried waste gas of the traditional Chinese medicine residue is treated, wherein the amount of the macroporous adsorption resin used by the adsorption and degradation system is 5m340 UV tubes with the wavelength of 185nm, 20 UV tubes with the wavelength of 254nm and 600 pieces of adsorption activated carbon (each piece is a 100 × 100 cube structure with the diameter of 100 × 100mm, the aperture is 2 × 2mm, the pressure bearing on the front side is more than or equal to 1MPa, and the pressure bearing on the side surface is more than or equal to 0.5 MPa).
The traditional Chinese medicine residue dried waste gas mainly comprises sulfide, micromolecular hydrocarbon, alcohol and benzene series with the molecular weight of less than 300, and a small amount of ether and ester compounds, the content of the main components in the waste gas is measured according to environmental detection method standards HJ734-2014 and HJ 38-2017, and the sum of the measured concentrations of all the components is the concentration of VOCs.
Water dust scrubber outlet test data: the temperature of the waste gas is 75-85 ℃, the humidity is 35-50% RH, and the content of the particulate matters is 78mg/m3VOCs concentration 836mg/m3；
Tube bank dust removal defroster export test data: the temperature of the waste gas is 28-35 ℃, the humidity is 5-10% RH, and the content of the particulate matters is 6-9 mg/m3Concentration of VOCs 352mg/m3；
Resin adsorption apparatus outlet test data: VOCs concentration 89mg/m3；
UV photo-oxygen catalytic unit export test data: VOCs concentration 30mg/m3；
Test data of the outlet of the activated carbon adsorption device: VOCs concentration 8mg/m3。
Example 5
The treatment apparatus was the same as that of example 1, except that the UV photo-oxygen catalysis apparatus was located before the resin adsorption apparatus;
wherein, UV light oxygen catalytic unit export test data: VOCs concentration 156mg/m3；
Resin adsorption apparatus outlet test data: VOCs concentration 78mg/m3；
Test data of the outlet of the activated carbon adsorption device: VOCs concentration 21mg/m3。
Example 6
The treatment apparatus was the same as that of example 1 except that the positions of the resin adsorption apparatus and the activated carbon adsorption apparatus were changed;
wherein, the test data of the outlet of the activated carbon adsorption device are as follows: the concentration of VOCs is 141mg/m3。
UV photo-oxygen catalytic unit export test data: VOCs concentration 66mg/m3；
Resin adsorption apparatus outlet test data: VOCs concentration 43mg/m3。
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (9)
1. A multi-process combined system for treating odor of waste gas generated by drying traditional Chinese medicine residues and antibiotic bacterium residues is characterized by comprising the following steps of: a pretreatment system and an adsorption degradation system;
the pretreatment system consists of a water film dust remover, an induced draft fan, an alkaline washing tower, a spray water pump and a tube bundle dust removal demister; the system comprises a water film dust remover, an induced draft fan, an alkaline washing tower and a tube bundle dust removal demister which are sequentially connected, wherein the alkaline washing tower is also connected with an alkaline liquor pool, the alkaline liquor pool is also connected with a first heat exchanger through a spray water pump, and the first heat exchanger is connected with a comprehensive water pool through a first circulating water pump;
the water film dust remover is connected with a second heat exchanger through a second circulating water pump, the water film dust remover is also connected with the second heat exchanger through a filter, and the second heat exchanger is connected with a comprehensive water tank;
the adsorption degradation system consists of a resin adsorption device, a UV photo-oxygen catalysis device and an active carbon adsorption device;
the resin adsorption device, the UV photo-oxidation catalysis device and the activated carbon adsorption device are sequentially connected, and the resin adsorption device is connected with the tube bundle dust removal demister;
the resin adsorption device is formed by connecting two sets of resin adsorption devices in parallel.
2. The system of claim 1, wherein one side of the integrated water pool is connected to a cooling tower by a third circulating water pump, and the cooling tower is also directly connected to the integrated water pool.
3. The system of claim 1, wherein the water dust scrubber is coupled to a dryer.
4. The system of claim 1, wherein the activated carbon adsorption tank is coupled to a chimney.
5. A multi-process combined treatment method for treating odor of waste gas generated by drying traditional Chinese medicine residues and antibiotic bacterium residues is characterized by comprising the following steps of:
cooling and dedusting the waste gas by a water film deduster, washing with alkali, and then demisting and dedusting;
carrying out resin adsorption, UV photo-oxygen catalysis and active carbon adsorption on the demisted and dedusted waste gas in sequence, and then discharging;
cooling water of the water film dust collector exchanges heat with water in the comprehensive water pool through a circulating pump and a heat exchanger;
and the waste water discharged by the alkaline tower exchanges heat with water in the comprehensive water pool through the spray pump and the heat exchanger.
6. The method of claim 5, wherein the resin is recycled after being stripped and regenerated by steam at 120-150 ℃ in the intermittent working period.
7. The method of claim 5, wherein the steam-stripped exhaust gas is catalytically decomposed by UV photooxidation.
8. The method of claim 5, wherein the waste gas is waste gas generated in a process of drying traditional Chinese medicine residues and antibiotic fungi residues.
9. The method of claim 5, wherein the caustic wash employs a basic circulating water having a pH greater than 7.
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| CN110115880B (en) * | 2019-04-06 | 2023-05-30 | 南阳盛易德环保科技有限公司 | Integrated dust removal system suitable for mixing station, and control system and control method thereof |
| CN110665333A (en) * | 2019-11-15 | 2020-01-10 | 江苏国盛华清环保科技有限公司 | Process for treating peculiar smell gas generated by raw rubber drying device |
| CN112915731A (en) * | 2021-01-26 | 2021-06-08 | 天津理工大学 | Calcining furnace tail gas purification treatment device and process |
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| CN116212568A (en) * | 2023-05-04 | 2023-06-06 | 中国电器科学研究院股份有限公司 | Treatment equipment and treatment method for waste gas of battery external fire test |
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| CN103706232A (en) * | 2012-10-04 | 2014-04-09 | 梅州金川医疗废物集中处置有限公司 | Energy-saving waste gas treatment method and apparatus thereof |
| CN106693573A (en) * | 2016-12-01 | 2017-05-24 | 易能环境技术有限公司 | Purifying device and method for spraying industry VOCs exhaust gas |
| CN107376636A (en) * | 2017-07-26 | 2017-11-24 | 广东工业大学 | The method and apparatus of recycling deep oxidation synergistic purification industry VOCs a kind of and application |
| CN108043216A (en) * | 2017-11-12 | 2018-05-18 | 江苏瑞尔隆鼎实业有限公司 | A kind of paint exhaust treatment device and method |
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