CN108211611A - A kind of processing system of spray drying tower tail gas - Google Patents
A kind of processing system of spray drying tower tail gas Download PDFInfo
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- B01D53/32—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by electrical effects other than those provided for in group B01D61/00
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- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/72—Organic compounds not provided for in groups B01D53/48 - B01D53/70, e.g. hydrocarbons
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- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8668—Removing organic compounds not provided for in B01D53/8603 - B01D53/8665
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
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- B01D2259/804—UV light
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F2003/001—Biological treatment of water, waste water, or sewage using granular carriers or supports for the microorganisms
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Abstract
The invention discloses a kind of processing systems of spray drying tower tail gas, the processing system includes cyclone, bag filter, water sprays tower apparatus, heat exchanger, cooling device, moisture separator and heating unit, the spray drying tower tail gas is passed through in cyclone, bag filter is input to by cyclone, enter water spray tower apparatus through bag filter, it is input in heat exchanger after water spray tower apparatus processing, enter cooling device after heat exchanger exchanges heat, it is input to moisture trap after being cooled by cooling device, gas part is back to heat exchanger through air blower and is preheated after moisture trap detaches, heating unit is input to after heat exchanger preheats, spray drying tower is back to after heated device heating.Processing system of the present invention realizes recycling for dyestuff spray drying tower exhaust gas and efficiently using for energy, and pollution of the exhaust gas to environment is greatly decreased；Gas is utilized effectively through heat exchange, energy.
Description
Technical field
The invention belongs to technical field of waste gas treatment, and in particular to a kind of processing system of spray drying tower tail gas.
Background technology
Dye industry is dried dyestuff using heated-air drying tower and powdered finished product dyestuff is made at present, convenient for storage
And transport.Dye drying tower：Mainly air is heated, and into drier headspace distributor, hot-air is equal in the shape of a spiral
Enter hothouse evenly.Feed liquid sprays into imperceptible mist through high speed centrifugal atomization device or high-pressure atomizer at the top of tower body
Liquid pearl can be dried within the extremely short time as finished product with air current contacting.Finished product is continuously by dry tower bottom and whirlwind point
From being exported in device, micronic dust material is collected by pulse bag collector, and exhaust gas is emptied by wind turbine.
This strand is dye drying tower exhaust gas by the exhaust gas that wind turbine empties, and key component is to add in dyestuff postprocessing working procedures
Remaining methyl naphthalene, naphthalene, formaldehyde and other organic pollutions in the dispersant entered.Since drying tower exhaust air air quantity is big, humidity compared with
Height, foul odour is heavier, and difficulty of governance is larger, affects to environment, and there is presently no comparative maturities for locating
The effective ways of drying tower exhaust air are managed, therefore have become that dye industry is extremely urgent to be solved to the processing of dye drying tower exhaust gas
One of the problem of.
Invention content
For the above-mentioned problems in the prior art, the present invention provides a kind of processing system of spray drying tower tail gas.
To achieve the above object, the technical solution used in the present invention is：
A kind of processing system of spray drying tower tail gas, the processing system include cyclone, bag filter, water spray
Tower apparatus, heat exchanger, cooling device, moisture separator and heating unit, the spray drying tower tail gas are passed through in cyclone,
Bag filter is input to by cyclone, enters water spray tower apparatus through bag filter, it is defeated after water spray tower apparatus processing
Enter into heat exchanger, cooling device is entered after heat exchanger exchanges heat, moisture trap is input to after being cooled by cooling device, through gas
Gas part is back to heat exchanger through air blower and is preheated after separator separation, and heating dress is input to after heat exchanger preheats
It puts, spray drying tower is back to after heated device heating.
The key component of the spray drying tower tail gas is remaining in the dispersant added in dyestuff postprocessing working procedures
Methyl naphthalene, naphthalene, formaldehyde, sulfamic acid and other organic pollutions, delivery temperature are 40~60 DEG C, and dust content is 5~20mg/
M3, dimensionless stench is 600~4000.
The processing system further includes exhaust gas decomposer, and it is gentle that pending tail gas is divided into air-flow I after bag filter
Stream II, air-flow I return to spray drying tower after the processing of exhaust gas decomposer through heating devices heat；Air-flow II then enters water and sprays tower
Device enters heat exchanger progress energy conversion, then inputted after further being cooled down by cooling device after water spray tower apparatus processing
Gas-water separation is carried out to moisture trap, gas part is spray-dried after returning to heat exchanger preheating through heating devices heat return
Tower.
Preferably, the flow of air-flow I accounts for the 10~90% of spray drying tower tail gas total flow.Further preferably, air-flow I
Flow account for the 15~50% of spray drying tower tail gas total flow, under the ratio, the treatment effect of tail gas is preferable, and system reaches
Dynamic equilibrium, pollution factor is no longer accumulated and processing cost is relatively low.
Preferably, the exhaust gas decomposer includes sequentially connected water deflector, electrostatic cleaner, gaseous molecular resonance
Processor and ultraviolet ray machine.The exhaust gas decomposer can be resolved into smelly, poisonous gas using the quantum coordination technique that resonates nontoxic
Tasteless gas, and the bacterium in tail gas, the dust in removal tail gas can be killed, treated exhaust gas, dimensionless stench reaches
Less than 200.
The gaseous molecular resonance processor, by high energy electron exciter, generates big with resonance quantum coordination technique
The pollutant measured in active group, with exhaust gas carries out complicated physical-chemical reaction；According to smelly functional group to characteristic wavelength
The feature for generating excitation is absorbed, by regulating and controlling photon energy, you can it is efficient except the molecule that depollutes, by adjustment ultraviolet source,
So that there is selective absorbing to odoriphone, malodoring substance is excited.
Alternatively, the exhaust gas decomposer include sequentially connected filter element, catalytic degradation unit and
Ozone decomposed unit using Ultraviolet and ozonation technology, is treated processing gas with ultraviolet beam and ozone and is carried out
Oxidation reaction is decomposed in collaboration, makes its Degradation and Transformation of malodoring substance into low molecular compound, water and carbon dioxide, then pass through exhaust duct
Road discharge is outdoor, treated exhaust gas, and dimensionless stench reaches less than 300.
The catalytic degradation unit generates ozone using Ultraviolet and ozonation technology and carries out photocatalysis, with to quilt
The exhaust gas of filtering is catalyzed and is degraded；The ozone decomposed unit is used to purify remaining ozone after processing.
Air-flow II enters heat exchanger after water spray tower apparatus processing and carries out energy conversion, then further cold by cooling device
But gas-water separation is carried out afterwards, and low-temperature heat exchange medium of the gas part as heat exchanger is returned after heat exchanger preheats through heating unit
Heating can return to spray drying tower, realize recycling for spray drying tower exhaust gas and efficiently using for energy.
Air-flow II is condensed by water spray tower apparatus processing, organic pollution, and the waste water COD after water spray tower apparatus displacement is dense
Degree is higher, preferably, the processing system further includes biochemistry pool, waste water and air water point after being replaced in the water spray tower apparatus
Enter biochemistry pool after merging from obtained waste water and carry out reuse after biochemical treatment, realize recycling for waste water.
Preferably, the biochemical treatment uses Gas biological filter.
The filler of the biological aerated filter includes coke, activated carbon, bentonite, kaolin, quartz sand, haydite and zeolite
One or more of.
Microorganism includes Hyphomicrobium, xanthomonas, pseudomonas acidovorans, desulphurization sulphur in the biological aerated filter
One or more of bacillus, Thiobacillus thioxidans, wax printing fabric, aerobacteria, bacterium nitrobacter and denitrification bacillus.
Preferably, microorganism is the wastewater environment item after water spray tower apparatus displacement in the biological aerated filter
Culture screens under part, and actual conditions state modulator is 25~35 DEG C of water temperature, pH6~8,2~5g/L of activated sludge concentration,
2.0~4.0mg/L of dissolved oxygen concentration.
Further, in the biological aerated filter, 2.0~4.0mg/L of aeration quantity, 12~48h of system residence time are controlled,
Treatment fluid is made to reach industry water reuse standard, reuse to water spray system.
Compared with prior art, the invention has the advantages that：
(1) two parts processing has been carried out to spray drying tower tail gas, a part returns again to after the processing of exhaust gas decomposer
Spray drying tower, another part are recycled, and using two-part synergistic effect, dirt of the exhaust gas to environment is greatly decreased
Dye；
(2) gas is utilized effectively through the reuse that exchanges heat, energy, and the waste water of generation is through biochemical treatment, regeneration；
(3) deodorization efficiency is up to more than 99% after the processing of exhaust gas decomposer for tail gas, venomous injurant in foul gas
Matter is thoroughly decomposed, and reaches harmless discharge, does not generate secondary pollution, while has the function that high-effective disinfecting is sterilized, deodorization effect
Fruit is more than the odorant pollutant discharge primary standard (GB14554-93) of country, accomplishes to can't smell stink in predetermined distance.
Description of the drawings
Fig. 1 is the schematic diagram of the processing system of spray drying tower tail gas of the present invention.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.
Embodiment 1
As shown in Figure 1, provide a kind of processing system of spray drying tower tail gas, spray drying tower tail gas is from spray drying
Tower 1 comes out, and exhaust temperature is 52 DEG C, dust content 10mg/M3, dimensionless stench is 800.
Tail gas is handled through cyclone 2, bag-type dust collector 3, and the dye product in gas recovery, tail gas is divided into air-flow I
With air-flow II (flow of air-flow I accounts for the 10% of tail gas total flow), air-flow I is after the processing of exhaust gas decomposer 10 through heating unit
8 are heated to 103 DEG C of return spray drying towers 1, the exhaust gas decomposer include sequentially connected water deflector, electrostatic cleaner,
Gaseous molecular resonance processor and ultraviolet ray machine, after processing, dust content does not detect air-flow I, and dimensionless stench is 75.
Air-flow II continues to be sent to water spray tower apparatus 4, further removes the pollutant in removing exhaust gas, and temperature is 43 DEG C, then
30 DEG C are cooled to after 2 grades of heat exchangers 5 carry out energy conversion, then by cooling device 6, is detached after cooling through moisture trap 7
Go out low-temperature heat exchange medium of the gas as heat exchanger 5, by air blower after the preheating of heat exchanger 5, then heated device 8 is heated to
105 DEG C with air-flow I converge return spray drying tower 1, realize dyestuff spray drying tower exhaust gas recycle and energy it is effective
It utilizes, the airflow dust content after converging does not detect, and dimensionless stench is 255.
The Waste Water Centralized replaced after cooling through the isolated waste water of moisture trap 7 and water spray system 4 is pumped simultaneously
To biochemistry pool 9, influent COD 2050mg/L, control water temperature is 30 DEG C, pH=7.0, activated sludge concentration 3.5g/L, dissolving
Oxygen concentration is 3.5mg/L, after being aerated for 24 hours, water outlet COD≤50mg/L, NH3- N≤10mg/L, aniline≤1.0mg/L, reach back
With standard, reuse to water spray tower apparatus 4 uses, and realizes the recycling of waste water.
Embodiment 2
As shown in Figure 1, providing a kind of processing system of spray drying tower tail gas, spray drying tower tail gas is done to from spraying
Dry tower 1 comes out, and exhaust temperature is 60 DEG C, dust content 6mg/M3, dimensionless stench is 1200.
Tail gas is handled through cyclone 2, bag-type dust collector 3, and the dye product in gas recovery, tail gas is divided into air-flow I
With air-flow II (flow of air-flow I accounts for the 35% of tail gas total flow), air-flow I is after the processing of exhaust gas decomposer 10 through heating unit
8 are heated to 100 DEG C of return spray drying towers 1, the exhaust gas decomposer include sequentially connected water deflector, electrostatic cleaner,
Gaseous molecular resonance processor and ultraviolet ray machine, after processing, dust content does not detect air-flow I, and dimensionless stench is 80.
Air-flow II continues to be sent to water spray tower apparatus 4, further removes the pollutant in removing exhaust gas, and temperature is 45 DEG C, then
29 DEG C are cooled to after 2 grades of heat exchangers 5 carry out energy conversion, then by cooling device 6, is detached after cooling through moisture trap 7
Go out low-temperature heat exchange medium of the gas as heat exchanger 5, by air blower after the preheating of heat exchanger 5, then heated device 8 is heated to
101 DEG C with air-flow I converge return spray drying tower 1, realize dyestuff spray drying tower exhaust gas recycle and energy it is effective
It utilizes, the airflow dust content after converging does not detect, and dimensionless stench is 237.
The Waste Water Centralized replaced after cooling through the isolated waste water of moisture trap 7 and water spray system 4 is pumped simultaneously
To biochemistry pool 9, influent COD 2520mg/L, control water temperature is 27 DEG C, pH=7.5, activated sludge concentration 3.3g/L, dissolved oxygen
Concentration 3.0mg/L, after being aerated 22h, water outlet COD≤50mg/L, NH3-N≤10mg/L, aniline≤1.0mg/L reach reuse mark
Standard, then reuse to water spray tower apparatus 4 use, and realize the recycling of waste water.
Embodiment 3
As shown in Figure 1, providing a kind of processing system of spray drying tower tail gas, spray drying tower tail gas is done to from spraying
Dry tower 1 comes out, and exhaust temperature is 46 DEG C, dust content 16mg/M3, dimensionless stench is 3500.
Tail gas is handled through cyclone 2, bag-type dust collector 3, and the dye product in gas recovery, tail gas is divided into air-flow I
With air-flow II (flow of air-flow I accounts for the 60% of tail gas total flow), air-flow I is after the processing of exhaust gas decomposer 10 through heating unit
8 are heated to 103 DEG C of return spray drying towers 1, and it is common that the exhaust gas decomposer includes water deflector, electrostatic cleaner, gaseous molecular
Shake processor and ultraviolet ray machine, and after processing, dust content does not detect air-flow I, and dimensionless stench is 105.
Air-flow II continues to be sent to water spray tower apparatus 4, further removes the pollutant in removing exhaust gas, and temperature is 35 DEG C, then
26 DEG C are cooled to after 2 grades of heat exchangers 5 carry out energy conversion, then by cooling device 6, is detached after cooling through moisture trap 7
Go out low-temperature heat exchange medium of the gas as heat exchanger 5, by air blower after the preheating of heat exchanger 5, then heated device 8 is heated to
104 DEG C with air-flow I converge return spray drying tower 1, realize dyestuff spray drying tower exhaust gas recycle and energy it is effective
It utilizes, the airflow dust content after converging does not detect, and dimensionless stench is 212.
The Waste Water Centralized replaced after cooling through the isolated waste water of moisture trap 7 and water spray system 4 is pumped simultaneously
To biochemistry pool 9, influent COD 2980mg/L, control water temperature is 27 DEG C, pH=7.5, activated sludge concentration 3.6g/L, dissolved oxygen
Concentration 3.7mg/L, after being aerated for 24 hours, water outlet COD≤50mg/L, NH3-N≤10mg/L, aniline≤1.0mg/L reach reuse mark
Standard, then reuse to water spray tower apparatus 4 use, and realize the recycling of waste water.
Embodiment 4
As shown in Figure 1, providing a kind of processing system of spray drying tower tail gas, spray drying tower tail gas is done to from spraying
Dry tower 1 comes out, and exhaust temperature is 60 DEG C, dust content 6mg/M3, dimensionless stench is 1200.
Tail gas is handled through cyclone 2, bag-type dust collector 3, and the dye product in gas recovery, tail gas is divided into air-flow I
With air-flow II (flow of air-flow I accounts for the 35% of tail gas total flow), air-flow I is after the processing of exhaust gas decomposer 10 through heating unit
8 are heated to 100 DEG C of return spray drying towers 1, and the exhaust gas decomposer includes sequentially connected filter element, catalytic degradation list
Member and ozone decomposed unit, after processing, dust content does not detect air-flow I, and dimensionless stench is 110.
Air-flow II continues to be sent to water spray tower apparatus 4, further removes the pollutant in removing exhaust gas, and temperature is 45 DEG C, then
29 DEG C are cooled to after 2 grades of heat exchangers 5 carry out energy conversion, then by cooling device 6, is detached after cooling through moisture trap 7
Go out low-temperature heat exchange medium of the gas as heat exchanger 5, by air blower after the preheating of heat exchanger 5, then heated device 8 is heated to
101 DEG C with air-flow I converge return spray drying tower 1, realize dyestuff spray drying tower exhaust gas recycle and energy it is effective
It utilizes, the airflow dust content after converging does not detect, and dimensionless stench is 252.
The Waste Water Centralized replaced after cooling through the isolated waste water of moisture trap 7 and water spray system 4 is pumped simultaneously
To biochemistry pool 9, influent COD 2550mg/L, control water temperature is 27 DEG C, pH=7.5, activated sludge concentration 3.3g/L, dissolved oxygen
Concentration 3.0mg/L, after being aerated 22h, water outlet COD≤50mg/L, NH3-N≤10mg/L, aniline≤1.0mg/L reach reuse mark
Standard, then reuse to water spray tower apparatus 4 use, and realize the recycling of waste water.
Embodiment 5
As shown in Figure 1, providing a kind of processing system of spray drying tower tail gas, spray drying tower tail gas is done to from spraying
Dry tower 1 comes out, and exhaust temperature is 55 DEG C, dust content 5mg/M3, dimensionless stench is 800.
Tail gas is handled through cyclone 2, bag-type dust collector 3, and the dye product in gas recovery, tail gas continues to be sent to
Water sprays tower apparatus 4, further removes the pollutant in removing exhaust gas, and temperature is 45 DEG C, then carries out energy conversion through 2 grades of heat exchangers 5
Afterwards, then by cooling device 6 32 DEG C are cooled to, isolate gas through moisture trap 7 after cooling and changed as the low temperature of heat exchanger 5
Thermal medium, by air blower after the preheating of heat exchanger 5, then heated device 8 is heated to 101 DEG C of return spray drying towers 1, realizes
Recycling for dyestuff spray drying tower exhaust gas and efficiently using for energy, after processing, airflow dust content does not detect, immeasurable
Guiding principle stench is 390.
The Waste Water Centralized replaced after cooling through the isolated waste water of moisture trap 7 and water spray system 4 is pumped simultaneously
To biochemistry pool 9, influent COD 2120mg/L, control water temperature is 30 DEG C, pH=7.0, activated sludge concentration 3.6g/L, dissolving
Oxygen concentration is 3.2mg/L, after being aerated for 24 hours, water outlet COD≤50mg/L, NH3- N≤10mg/L, aniline≤1.0mg/L, reach back
With standard, reuse to water spray tower apparatus 4 uses, and realizes the recycling of waste water.
Claims (9)
1. a kind of processing system of spray drying tower tail gas, which is characterized in that the processing system includes cyclone, cloth bag removes
Dirt device, water spray tower apparatus, heat exchanger, cooling device, moisture separator and heating unit, the spray drying tower tail gas are passed through rotation
In wind apparatus, bag filter is input to by cyclone, enters water spray tower apparatus through bag filter, sprays tower apparatus through water
It is input in heat exchanger after processing, cooling device is entered after heat exchanger exchanges heat, be input to air water point after being cooled by cooling device
From device, gas part is back to heat exchanger through air blower and is preheated after moisture trap detaches, defeated after heat exchanger preheats
Enter to heating unit, spray drying tower is back to after heated device heating.
2. the processing system of spray drying tower tail gas according to claim 1, which is characterized in that the processing system is also wrapped
Exhaust gas decomposer is included, pending tail gas is divided into air-flow I and air-flow II after bag filter, and air-flow I is through exhaust gas decomposer
After processing spray drying tower is returned to through heating devices heat；Air-flow II then enters water and sprays tower apparatus, after water spray tower apparatus processing
Energy conversion is carried out into heat exchanger, then moisture trap is input to after further being cooled down by cooling device and carries out air water point
From gas part returns and returns to spray drying tower through heating devices heat after heat exchanger preheats.
3. the processing system of spray drying tower tail gas according to claim 2, which is characterized in that the flow of air-flow I accounts for spray
The 10~90% of mist drying tower tail gas total flow.
4. the processing system of spray drying tower tail gas according to claim 2, which is characterized in that the exhaust gas decomposer
Including sequentially connected water deflector, electrostatic cleaner, gaseous molecular resonance processor and ultraviolet ray machine.
5. the processing system of spray drying tower tail gas according to claim 2, which is characterized in that the exhaust gas decomposer
Including sequentially connected filter element, catalytic degradation unit and ozone decomposed unit.
6. the processing system of spray drying tower tail gas according to claim 1, which is characterized in that the processing system is also wrapped
Biochemistry pool is included, the waste water after being replaced in the water spray tower apparatus enters biochemistry pool after merging with the waste water that gas-water separation obtains to carry out
Biochemical treatment.
7. the processing system of spray drying tower tail gas according to claim 6, which is characterized in that the biochemical treatment uses
Gas biological filter.
8. the processing system of spray drying tower tail gas according to claim 7, which is characterized in that the biological aerated filter
Filler include one or more of coke, activated carbon, bentonite, kaolin, quartz sand, haydite and zeolite.
9. the processing system of spray drying tower tail gas according to claim 7, which is characterized in that the biological aerated filter
Middle microorganism includes Hyphomicrobium, xanthomonas, pseudomonas acidovorans, grate sulfur thiobacillus, Thiobacillus thioxidans, wax-like bud
One or more of born of the same parents bacillus, aerobacteria, bacterium nitrobacter and denitrification bacillus.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109126495A (en) * | 2018-07-09 | 2019-01-04 | 山东金朗生物科技有限公司 | A kind of energy saving and environment friendly vitamin B2 drying device |
| CN109308102A (en) * | 2018-09-11 | 2019-02-05 | 郑州航空工业管理学院 | Built-in network Intelligent Information Processing server |
| CN109331597A (en) * | 2018-11-26 | 2019-02-15 | 汕头市联和环保科技有限公司 | Spray tower waste gas purification recovery device |
| CN109621685A (en) * | 2019-01-31 | 2019-04-16 | 滨化集团股份有限公司 | A kind of technique that deep cooling adds carbon fiber adsorption and catalytic combustion processing chlorohydrination tail gas |
| CN111389161A (en) * | 2020-04-20 | 2020-07-10 | 上海红重机械装备有限公司 | Steel structure coating waste gas treatment process |
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| CN102500116A (en) * | 2011-09-29 | 2012-06-20 | 无锡市群征干燥设备有限公司 | High-efficiency energy-saving closed circulatory spray drying method and drying system |
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| CN102500116A (en) * | 2011-09-29 | 2012-06-20 | 无锡市群征干燥设备有限公司 | High-efficiency energy-saving closed circulatory spray drying method and drying system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109126495A (en) * | 2018-07-09 | 2019-01-04 | 山东金朗生物科技有限公司 | A kind of energy saving and environment friendly vitamin B2 drying device |
| CN109308102A (en) * | 2018-09-11 | 2019-02-05 | 郑州航空工业管理学院 | Built-in network Intelligent Information Processing server |
| CN109308102B (en) * | 2018-09-11 | 2020-01-21 | 郑州航空工业管理学院 | Embedded network intelligent information processing server |
| CN109331597A (en) * | 2018-11-26 | 2019-02-15 | 汕头市联和环保科技有限公司 | Spray tower waste gas purification recovery device |
| CN109621685A (en) * | 2019-01-31 | 2019-04-16 | 滨化集团股份有限公司 | A kind of technique that deep cooling adds carbon fiber adsorption and catalytic combustion processing chlorohydrination tail gas |
| CN111389161A (en) * | 2020-04-20 | 2020-07-10 | 上海红重机械装备有限公司 | Steel structure coating waste gas treatment process |
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