CN105032166A - Integrated formaldehyde waste gas treatment device - Google Patents
Integrated formaldehyde waste gas treatment device Download PDFInfo
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- CN105032166A CN105032166A CN201510316467.1A CN201510316467A CN105032166A CN 105032166 A CN105032166 A CN 105032166A CN 201510316467 A CN201510316467 A CN 201510316467A CN 105032166 A CN105032166 A CN 105032166A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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Abstract
The invention discloses an integrated formaldehyde waste gas treatment device. The device successively comprises a waste gas dedusting area, a biological oxidation absorption area, a biosorption area, a demister, an activated carbon adsorption area and an exhaust fan from bottom to top, wherein the waste gas dedusting area is internally provided with a waste gas dedusting module which comprises a deduster, an ash-collecting conical tank, an air inlet pipe and an air distribution pipe, the biological oxidation absorption area is provided with a spraying device, an absorption padding, a spray liquid storing tank and a spray liquid circulating pump, and the cross section of the spray liquid storing tank is round; a spray liquid collecting device is arranged above the spray liquid storing tank, and the biosorption area is provided with an adsorption padding; the spraying device is a spiral spraying device, and the demister is a baffle plate demister or a swirl plate demister.
Description
Technical field
The present invention relates to technical field of atmospheric pollution control, especially a kind of formaldehyde exhaust-gas process integrated apparatus.
Background technology
Formaldehyde has been widely used in the industrial trades such as timber, building materials, chemical industry, medicine, weaving, light industry as a kind of important industrial chemicals.All formaldehyde will be used in synthetic resin, surfactant, plastics, rubber, leather, papermaking, dyestuff, pharmacy, agricultural chemicals, photographic film, explosive, construction material and sterilization, stifling and preservation process.The atmosphere pollution brought in the production of formaldehyde and use procedure has become serious environmental problem, and on China's toxic chemical priority acccess control list, formaldehyde is in second.The carcinogenic result determination formaldehyde appraised through discussion of IARC's PARA FORMALDEHYDE PRILLS(91,95) of the World Health Organization in 2004 is carcinogenic and cause deformed material, be also potential strong mutagen it-, the pollution of formaldehyde more and more causes the concern of field of Environment Protection and society.It is administered is one of the focus and a difficult problem that home and abroad environment resist technology is studied always.
The Treatment process that formaldehyde exhaust-gas pollutes both at home and abroad at present mainly contains adsorption technology, chemical technology, catalytic oxidation technologies, ozone technology, plant absorption technology and membrane separation technique, biological technique method is not almost recycled in value, the purified treatment difficulty purified treatment difficult problem greatly and costly, simultaneously to the low concentration formaldehyde waste gas that the harm of health and ecological environment can not be ignored again solving, and has good development prospect.The most device structure of these technology is complicated, complex operation.
Summary of the invention
The technical problem to be solved in the present invention is: overcome prior art device structure complexity, complex operation, problem that processing cost is higher, provide a kind of formaldehyde exhaust-gas process integrated apparatus, can effectively process various formaldehyde exhaust-gas, and structure is simple, easy to operate.
The technical solution adopted for the present invention to solve the technical problems is: a kind of formaldehyde exhaust-gas process integrated apparatus, is upwards followed successively by waste gas dedusting district, biological oxidation uptake zone, biological adsorption district, demister, charcoal absorption district and exhaust fan from bottom of device.
Described waste gas dedusting district is positioned at the foot of whole device; Be provided with waste gas dedusting assembly in described waste gas dedusting district, described waste gas dedusting assembly comprises the deduster being positioned at middle and upper part, the collection being positioned at bottom ash cone tank, collects grey cone tank and is connected dust collection system by drain valve with pipeline; Middle and lower part, waste gas dedusting district is provided with air inlet pipe and gas distribution pipe.
Concrete, described deduster is deflection plate deduster or overflowing board deduster.
Described biological oxidation uptake zone is provided with off-gas oxidizing absorbent assembly, and described off-gas oxidizing absorbent assembly comprises superposed spray equipment, dry load, the spray liquid that is arranged in bottom store groove and the spray liquid that spray liquid stored groove pumps into the spray liquid circulating pump of spray equipment.Described dry load is inorganic inert filler, inorganic inert filler has that unit volume filler biological amount is large, operating mode is easy to control, energy consumption is low, metabolite can with advantages such as circulated sprinkling are flushed away, and described filler can adopt polyhedron empty ball or other is polyhedron-shaped.
Further, the spray liquid described in the biofilm stage at plant running initial stage is nutrient solution, and the spray liquid that the biofilm stage terminates rear normal operating phase is sodium sulfite solution.
Concrete, the manufacturing process of described nutrient solution is:
(1) after the 10:10:10:2 mixing by volume of the crop material after pulverizing, animal waste, poultry manure, coal ash, in immersion water;
(2), after fermenting 30-60 days, getting supernatant is nutrient solution.
Described biological adsorption district is provided with adsorption stuffing, described adsorption stuffing by dried activated sludge, feces of livestock and poultry, wood chip, active carbon and haydite by volume 1:1:10:5:10 be mixed.
Described top, biological adsorption district is provided with demister, demister is collected by the large drop in gas, and make it to return, and reduces the moisture in gas, its operation principle is that gas enters demister, through a series of bend, discharge from top, and water droplet is due to the effect of its quality and kinetic energy, through racetrack portion, straight line falls, and collides the surface of demister, and is rebounding under Action of Gravity Field.
Described demister top is provided with charcoal absorption district, in described charcoal absorption district, active carbon is set, the advantages such as active carbon requires to have hole prosperity, specific area is large, adsorption rate is fast, friction resistant, resistance to flushing, as the operation through the long period, discovery active carbon becomes sticky, and just need change active carbon in time when gas prompt drop is low.
Concrete, for cylindrical, upper and lower two ends are conical tank body in the middle of described formaldehyde exhaust-gas process integrated apparatus, described tank body offers observation port and examine and replace mouth, tank body volume size can be determined according to the number of pending gas flow, adopts vertical vertical placement.
Clean gas for ease of processing is discharged, and the conical tank body place of described formaldehyde exhaust-gas process integrated apparatus topmost is provided with exhaust fan.
Further and cylindrical tank container matches, and described spray liquid stores the cross section of groove for circular, and spray liquid stores above groove and is provided with spray liquid aggregation apparatus, and the lower end diameter of described spray liquid aggregation apparatus is less than the diameter that spray liquid stores groove topmost.Spray liquid aggregation apparatus can make spray liquid assemble to be back to spray liquid and to store groove.
Further, described off-gas oxidizing absorbent assembly is also furnished with spray liquid adding set and tapping equipment, and described spray liquid adding set comprises spray flow container and agitating device, and spray liquid adding set is communicated with spray liquid circulating pump by pipeline with valve.
Further, described spray equipment is helical form spray equipment; The liquid ejected presents vaporific, and mixing together between water smoke, do not stay dead angle, be conducive to the contact area expanding waste gas and solution, improve absorptivity and assimilation effect.
Further preferred equipment, demister is deflection plate demister or overflowing board demister.
The invention has the beneficial effects as follows, first waste gas enter in waste gas dedusting district, and the dust in waste gas, particle etc. are blocked; Waste gas rises and enters biological oxidation uptake zone, and the microorganism on dry load utilizes nutriment and formaldehyde to carry out self-reproduction, and spray liquid flows into bottom spray liquid and stores in groove, and spray liquid enters spray equipment again by pipeline and circulating pump, recycles; Waste gas continues to rise and contacts with the spray liquid that spray equipment sprays, and formaldehyde is further absorbed and returns to biological oxidation uptake zone with spray liquid; Waste gas rises and enters biological adsorption district, and formaldehyde is by the microorganism adsorption in adsorption stuffing and biochemical reaction occurs; Then gas enter demister, and the drop in gas is here blocked; Then gas enters charcoal absorption district, and the material be mingled with in gas and drop are here blocked and absorb, and so far waste gas is processed into clean gas, realizes qualified discharge; Formaldehyde exhaust-gas process integrated apparatus structure of the present invention is simple, is easy to manufacture, and easy to operate, operating cost is low, effectively can process the various waste gas being rich in formaldehyde.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the structural representation of embodiments of the invention;
Fig. 2 is the process chart of the embodiment of the present invention.
In figure: 1. waste gas dedusting district, 1-1. deduster, 1-2. collection ash cone tank, 1-3. drain valve, 1-4. air inlet pipe, 1-5. gas distribution pipe, 2. biological oxidation uptake zone, 2-1. spray equipment, 2-2. dry load, 2-3. spray liquid stores groove, 2-4. spray liquid circulating pump, 2-5. spray liquid adding set, 2-6. spray liquid aggregation apparatus, 3. biological adsorption district, 3-1. adsorption stuffing, 4. demister, 5. charcoal absorption district, 6. exhaust fan.
Detailed description of the invention
In conjunction with the accompanying drawings, the present invention is further detailed explanation.These accompanying drawings are the schematic diagram of simplification, only basic structure of the present invention are described in a schematic way, and therefore it only shows the formation relevant with the present invention.
Embodiment
Of the present invention a kind of formaldehyde exhaust-gas process integrated apparatus as shown in Figure 1, is upwards followed successively by waste gas dedusting district 1, biological oxidation uptake zone 2, biological adsorption district 3, demister 4, charcoal absorption district 5 and exhaust fan 6 from bottom of device.
Described waste gas dedusting district 1 is positioned at the foot of whole device; Be provided with waste gas dedusting assembly in described waste gas dedusting district 1, described waste gas dedusting assembly comprises the deduster 1-1 being positioned at middle and upper part, the collection being positioned at bottom ash cone tank 1-2, collects grey cone tank 1-2 and is connected dust collection system by drain valve with pipeline; Middle and lower part, waste gas dedusting district is provided with air inlet pipe 1-4 and gas distribution pipe 1-5.
Concrete, described deduster 1-1 is deflection plate deduster or overflowing board deduster.
Described biological oxidation uptake zone 2 is provided with off-gas oxidizing absorbent assembly, and described off-gas oxidizing absorbent assembly comprises superposed spray equipment 2-1, dry load 2-2, be arranged in the spray liquid circulating pump 2-4 that spray liquid that the spray liquid of bottom stores groove 2-3 and spray liquid is stored groove pumps into spray equipment.Described dry load 2-2 is inorganic inert filler, inorganic inert filler has that unit volume filler biological amount is large, operating mode is easy to control, energy consumption is low, metabolite can with advantages such as circulated sprinkling are flushed away, and described dry load 2-2 can adopt polyhedron empty ball or other is polyhedron-shaped.
Further, the spray liquid described in the biofilm stage at plant running initial stage is nutrient solution, and the spray liquid that the biofilm stage terminates rear normal operating phase is sodium sulfite solution.
Concrete, the manufacturing process of described nutrient solution is:
1. after the 10:10:10:2 mixing by volume of the crop material after pulverizing, animal waste, poultry manure, coal ash, in immersion water;
2., after fermenting 30-60 days, getting supernatant is nutrient solution.
Described biological adsorption district 3 is provided with adsorption stuffing 3-1, described adsorption stuffing 3-1 by dried activated sludge, feces of livestock and poultry, wood chip, active carbon and haydite by volume 1:1:10:5:10 be mixed.
Described top, biological adsorption district is provided with demister 4, demister 4 is collected by the large drop in gas, and make it to return, and reduces the moisture in gas, its operation principle is that gas enters demister 4, through a series of bend, discharge from top, and water droplet is due to the effect of its quality and kinetic energy, through racetrack portion, straight line falls, and collides the surface of demister 4, and is rebounding under Action of Gravity Field.
Described demister 4 top is provided with charcoal absorption district 5, in described charcoal absorption district 5, active carbon is set, the advantages such as active carbon requires to have hole prosperity, specific area is large, adsorption rate is fast, friction resistant, resistance to flushing, as the operation through the long period, discovery active carbon becomes sticky, and just need change active carbon in time when gas prompt drop is low.
For cylindrical, upper and lower two ends are conical tank body in the middle of described formaldehyde exhaust-gas process integrated apparatus, described tank body offers observation port and examine and replace mouth, tank body volume size can according to pending gas flow number and determine, adopt vertical vertical placement.
Clean gas for ease of processing is discharged, and the conical tank body place of described formaldehyde exhaust-gas process integrated apparatus topmost is provided with exhaust fan 6.
Further and cylindrical tank container matches, described spray liquid stores the cross section of groove 2-3 for circular, spray liquid stores above groove 2-3 and is provided with spray liquid aggregation apparatus 2-6, and the lower end diameter of described spray liquid aggregation apparatus 2-6 is less than the diameter that spray liquid stores groove 2-3 topmost.Spray liquid aggregation apparatus 2-6 can make spray liquid assemble to be back to spray liquid and to store groove 2-3.
Further, described off-gas oxidizing absorbent assembly is also furnished with spray liquid adding set 2-5 and tapping equipment, described spray liquid adding set 2-5 comprises spray flow container and agitating device, and spray liquid adding set 2-5 is communicated with spray liquid circulating pump 2-4 by pipeline with valve.
Further, described spray equipment 2-1 is helical form spray equipment; The liquid ejected presents vaporific, and mixing together between water smoke, do not stay dead angle, be conducive to the contact area expanding waste gas and liquid, improve absorptivity and assimilation effect.
Further preferred equipment, demister 4 is deflection plate demister.
For ease of overhaul of the equipments and equipment rotation, described formaldehyde exhaust-gas process integrated apparatus has and is arranged in parallel for subsequent use or two covers that simultaneously work each other, the exhaust gas inlet of two cover formaldehyde exhaust-gas process integrated apparatus is all communicated with gas sampling induction system by pipeline with valve, the waste gas outlet of two cover formaldehyde exhaust-gas process integrated apparatus is all communicated with exhaust tube by pipeline with valve, realize switching by valve, also can run by two complete equipments when exhausted air quantity is large simultaneously.
Concrete, first waste gas enters in waste gas dedusting district 1 by air inlet pipe 1-4 and gas distribution pipe 1-5, and the dust in waste gas, particle etc. are blocked; Waste gas rises and enters biological oxidation uptake zone 2, microorganism on dry load 2-2 utilizes nutriment and formaldehyde to carry out self-reproduction, spray liquid flows into bottom spray liquid and stores in groove 2-3, and spray liquid enters spray equipment 2-1 again by pipeline and circulating pump, recycles; Waste gas continues to rise and contacts with the spray liquid that spray equipment 2-1 sprays, and formaldehyde is further absorbed and returns in biological oxidation uptake zone 2 with spray liquid; Waste gas then rises and enters biological adsorption district 3, and formaldehyde is by the microorganism adsorption in adsorption stuffing 3-1 and biochemical reaction occurs; Then gas enter demister 4, and the drop in gas is here blocked; Then gas enters charcoal absorption district 5, and the material be mingled with in gas and drop are here blocked and absorb, and so far waste gas is processed into clean gas, realizes qualified discharge.
With above-mentioned according to desirable embodiment of the present invention for enlightenment, by above-mentioned description, relevant staff in the scope not departing from this invention technological thought, can carry out various change and amendment completely.The technical scope of this invention is not limited to the content on description, must determine its technical scope according to right.
Claims (3)
1. a formaldehyde exhaust-gas process integrated apparatus, is characterized in that: described device comprises waste gas dedusting district (1), biological oxidation uptake zone (2), biological adsorption district (3), demister (4), charcoal absorption district (5) and exhaust fan (6);
Described waste gas dedusting district (1) is positioned at the foot of whole device; Waste gas dedusting assembly is provided with in described waste gas dedusting district (1), described waste gas dedusting assembly comprises superposed deduster (1-1), is positioned at the collection of bottom ash cone tank (1-2), collects grey cone tank (1-2) and is connected dust collection system by drain valve (1-3) with pipeline; Waste gas dedusting district (1) middle and lower part is provided with air inlet pipe (1-4) and gas distribution pipe (1-5);
Described biological oxidation uptake zone (2) is provided with off-gas oxidizing absorbent assembly, and described off-gas oxidizing absorbent assembly comprises superposed spray equipment (2-1), dry load (2-2), the spray liquid that is arranged in bottom store groove (2-3) and the spray liquid that spray liquid stored groove pumps into the spray liquid circulating pump (2-4) of spray equipment; Described dry load (2-2) is inorganic inert filler, inorganic inert filler has that unit volume filler biological amount is large, operating mode is easy to control, energy consumption is low, metabolite can with advantages such as circulated sprinkling are flushed away, and described dry load (2-2) can adopt polyhedron empty ball or other is polyhedron-shaped;
Described biological adsorption district (3) is provided with adsorption stuffing (3-1);
Described biological adsorption district (3) top is provided with demister (4), and described demister top is provided with charcoal absorption district (5); The topmost of described formaldehyde exhaust-gas process integrated apparatus is provided with exhaust fan (6);
Described spray liquid stores the cross section of groove (2-3) for circular, spray liquid stores groove (2-3) top and is provided with spray liquid aggregation apparatus (2-6), and the lower end diameter of described spray liquid aggregation apparatus (2-6) is less than the diameter that spray liquid stores groove (2-3) topmost; Spray liquid aggregation apparatus (2-6) can make spray liquid assemble to be back to spray liquid and to store in groove (2-3);
Described off-gas oxidizing absorbent assembly is furnished with spray liquid adding set (2-5) and tapping equipment, described spray liquid adding set (2-5) comprises spray flow container and agitating device, and spray liquid adding set (2-5) is communicated with spray liquid circulating pump (2-4) by pipeline with valve;
Described demister (4) is deflection plate demister or overflowing board demister;
Described spray equipment (2-1) is helical form spray equipment; The liquid ejected presents vaporific, and mixing together between water smoke;
For cylindrical, upper and lower two ends are conical tank body in the middle of described formaldehyde exhaust-gas process integrated apparatus, described tank body offers observation port and examine and replace mouth, tank body volume size can according to pending gas flow number and determine, adopt vertical vertical placement.
2. a kind of formaldehyde exhaust-gas process integrated apparatus as claimed in claim 1, is characterized in that: described spray liquid is nutrient solution in the biofilm stage at plant running initial stage, and the spray liquid that the biofilm stage terminates rear normal operating phase is sodium sulfite solution;
Concrete, the manufacturing process of described nutrient solution is:
1. after the 10:10:10:2 mixing by volume of the crop material after pulverizing, animal waste, poultry manure, coal ash, in immersion water;
2., after fermenting 30-60 days, getting supernatant is nutrient solution.
3. a kind of formaldehyde exhaust-gas process integrated apparatus as claimed in claim 1, is characterized in that: described adsorption stuffing (3-1) by dried activated sludge, feces of livestock and poultry, wood chip, active carbon and haydite by volume 1:1:10:5:10 be mixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510316467.1A CN105032166A (en) | 2015-06-10 | 2015-06-10 | Integrated formaldehyde waste gas treatment device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510316467.1A CN105032166A (en) | 2015-06-10 | 2015-06-10 | Integrated formaldehyde waste gas treatment device |
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| CN105032166A true CN105032166A (en) | 2015-11-11 |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105642107A (en) * | 2016-04-06 | 2016-06-08 | 程铁柱 | Technology for purifying formaldehyde in air |
| CN105727733A (en) * | 2016-01-27 | 2016-07-06 | 常州大学 | Low-concentration organic exhaust gas fluidization tower |
| CN105771628A (en) * | 2016-04-14 | 2016-07-20 | 广东海源环保科技有限公司 | Biological deodorization packing |
| CN105841237A (en) * | 2016-04-06 | 2016-08-10 | 程铁柱 | Ecologic air purifier |
| CN105854523A (en) * | 2016-05-20 | 2016-08-17 | 黄立维 | Harmful gas treating method and device |
| CN105999917A (en) * | 2016-07-07 | 2016-10-12 | 无锡市昂益达机械有限公司 | Waste gas treatment device |
| CN106582257A (en) * | 2016-12-21 | 2017-04-26 | 上海赛菲环境科技股份有限公司 | Air purifying material and preparation method thereof |
| CN109289398A (en) * | 2018-10-29 | 2019-02-01 | 徐州科聚利鑫机械设备制造有限公司 | A kind of hot galvanizing is eliminated the unusual smell integrative environmentally-friendly equipment with dedusting |
| CN109569252A (en) * | 2019-01-22 | 2019-04-05 | 厦门大学嘉庚学院 | Active formaldehyde absorption and disposition integrated system and its working method |
| CN113041789A (en) * | 2021-03-11 | 2021-06-29 | 黑龙江工业学院 | Formaldehyde removing device |
| CN115445361A (en) * | 2022-09-26 | 2022-12-09 | 浙江艾卡蒙特环保科技有限公司 | Waste gas treatment tower |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101337156A (en) * | 2008-08-11 | 2009-01-07 | 云南师范大学 | Purification treatment method of low concentration formaldehyde waste gas |
| CN102233237A (en) * | 2010-04-30 | 2011-11-09 | 肖春玲 | Method for purifying air through plant-microbe combination |
| CN104437047A (en) * | 2014-10-30 | 2015-03-25 | 常州大学 | Dedusting denitration and desulphurization device |
| CN104492209A (en) * | 2014-11-14 | 2015-04-08 | 常州大学 | Petroleum ether exhaust-gas dedusting and recovery device |
-
2015
- 2015-06-10 CN CN201510316467.1A patent/CN105032166A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101337156A (en) * | 2008-08-11 | 2009-01-07 | 云南师范大学 | Purification treatment method of low concentration formaldehyde waste gas |
| CN102233237A (en) * | 2010-04-30 | 2011-11-09 | 肖春玲 | Method for purifying air through plant-microbe combination |
| CN104437047A (en) * | 2014-10-30 | 2015-03-25 | 常州大学 | Dedusting denitration and desulphurization device |
| CN104492209A (en) * | 2014-11-14 | 2015-04-08 | 常州大学 | Petroleum ether exhaust-gas dedusting and recovery device |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105727733B (en) * | 2016-01-27 | 2018-06-26 | 常州大学 | A kind of low-concentration organic exhaust gas fluidization tower |
| CN105727733A (en) * | 2016-01-27 | 2016-07-06 | 常州大学 | Low-concentration organic exhaust gas fluidization tower |
| CN105841237A (en) * | 2016-04-06 | 2016-08-10 | 程铁柱 | Ecologic air purifier |
| CN105642107A (en) * | 2016-04-06 | 2016-06-08 | 程铁柱 | Technology for purifying formaldehyde in air |
| CN105771628A (en) * | 2016-04-14 | 2016-07-20 | 广东海源环保科技有限公司 | Biological deodorization packing |
| CN105854523A (en) * | 2016-05-20 | 2016-08-17 | 黄立维 | Harmful gas treating method and device |
| CN105999917A (en) * | 2016-07-07 | 2016-10-12 | 无锡市昂益达机械有限公司 | Waste gas treatment device |
| CN106582257A (en) * | 2016-12-21 | 2017-04-26 | 上海赛菲环境科技股份有限公司 | Air purifying material and preparation method thereof |
| CN109289398A (en) * | 2018-10-29 | 2019-02-01 | 徐州科聚利鑫机械设备制造有限公司 | A kind of hot galvanizing is eliminated the unusual smell integrative environmentally-friendly equipment with dedusting |
| CN109569252A (en) * | 2019-01-22 | 2019-04-05 | 厦门大学嘉庚学院 | Active formaldehyde absorption and disposition integrated system and its working method |
| CN109569252B (en) * | 2019-01-22 | 2024-04-12 | 厦门大学嘉庚学院 | Active formaldehyde absorption and disposal integrated system and working method thereof |
| CN113041789A (en) * | 2021-03-11 | 2021-06-29 | 黑龙江工业学院 | Formaldehyde removing device |
| CN115445361A (en) * | 2022-09-26 | 2022-12-09 | 浙江艾卡蒙特环保科技有限公司 | Waste gas treatment tower |
| CN115445361B (en) * | 2022-09-26 | 2024-01-05 | 浙江洁天环保科技有限公司 | Waste gas treatment tower |
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Application publication date: 20151111 |