CN202666671U - Comprehensive treating device for exhaust gas - Google Patents
Comprehensive treating device for exhaust gas Download PDFInfo
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- CN202666671U CN202666671U CN 201220295359 CN201220295359U CN202666671U CN 202666671 U CN202666671 U CN 202666671U CN 201220295359 CN201220295359 CN 201220295359 CN 201220295359 U CN201220295359 U CN 201220295359U CN 202666671 U CN202666671 U CN 202666671U
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Abstract
The utility model discloses a comprehensive treating device for exhaust gas, which is composed of five systems, namely, an exhaust gas collecting discharging system, an exhaust gas oxidizing absorbing-adsorbing system, an exhaust gas alkalizing absorbing-adsorbing system, an ozone generating system and an electric control system, wherein the exhaust gas is absorbed by a fan and enters into the exhaust gas oxidizing absorbing-adsorbing system; after the exhaust gas is oxidized by ozone and adsorbed by active carbon, the exhaust gas enters into the exhaust gas alkalizing absorbing-adsorbing system; and after the exhaust gas is absorbed by alkali liquor and adsorbed by the active carbon, the exhaust gas is discharged from a discharging cylinder. The comprehensive treating device can be used for effectively treating the organic and inorganic exhaust gases containing the components of benzene, toluene, butanone, acetic ether, styrene, hydrogen sulfide, ammonia, methyl mercaptan, sulfur dioxide, dimethyl sulfide, crylic acid, and the like; the comprehensive treating device can also be used for effectively removing dust grains, solving the atmospheric contamination caused by exhaust gas sources, such as a producing workshop, and a sewage biochemical aeration tank, and realizing the standard emission of the exhaust gas; and the purifying performance technical index reaches a national advanced level.
Description
Affiliated technical field
The utility model and a kind of emission-control equipment can process particularly that air quantity is large, concentration is high, the integration unit of complicated industrial waste gas.
Background technology
At present, industrial waste gas can be divided into organic exhaust gas and inorganic waste gases by composition, and the processing method of organic exhaust gas has: condensation absorption method, absorption method, Production by Catalytic Combustion Process, spray process etc.; Inorganic waste gases can adopt the methods such as water-soluble, strong oxidation, acid-base neutralization to process.The waste gas of low concentration uses above method generally can both reach discharging standards, and large to air quantity, concentration is high, the waste gas of complicated component, it is satisfactory that the effect of processing is difficult to.
Summary of the invention
[0003] defective that exists in order to solve existing waste gas processing method, the utility model provides a kind of waste gas Integrated Processing Unit, and it can be large with air quantity, concentration is high, the industrial waste gas of complicated component is processed and reached advanced international level.
The technical scheme that its technical problem that solves the utility model adopts is: this waste gas Integrated Processing Unit comprises electric control system, gas sampling exhaust system, off-gas oxidizing absorption-adsorption system, waste gas alkalization absorption-adsorption system, ozone generation system.Described gas sampling exhaust system comprises preposition blower fan, rearmounted blower fan, aiutage, airduct, flashboard; Described blower fan is anticorrosion centrifugal fan, and material is fiberglass or PP sheet material matter; Described aiutage diameter between D=Ф 500-700mm, height H=20-25 rice, its material can be PP pipeline or carbon steel, when selecting the PP pipeline, protects the carbon steel material protector outward; When being elected to be carbon steel piping, the inwall of cylinder must be with acid proof reinforced plastics coating.Described off-gas oxidizing absorption-adsorption system comprises ozone generating-device, oxidation absorption-adsorption tower, recirculated water spray equipment.Described waste gas alkalization absorption-adsorption system comprises chemicals dosing plant, alkalization absorption-adsorption tower, alkali lye circulating sprayer.Described ozone generation system is intermediate-frequency ozone generator.
Oxidation absorption-adsorption tower profile is cylindrical closed vessel, vertical vertical placement, inner employing multi-ply construction upwards is followed successively by from bottom: ozonation aerated assembly, storage area, recirculated water spray equipment, gas inlet assembly, off-gas oxidizing uptake zone, waste gas adsorption zone, gas storage district, air outlet; Ozonation aerated assembly comprises aeration supervisor, aeration branch pipe, aeration plate, and aeration tube adopts stainless steel, and aeration plate uses corrosion-resistant material; The recirculated water spray equipment comprises water pump, control valve, connecting pipe, and water pump adopts the fluoroplastic pump of explosion-proof electric machine; The gas inlet assembly is provided with flange port, the external preposition blower fan airduct of giving vent to anger, the flange water fender that arranges suitable for reading; The off-gas oxidizing uptake zone is provided with I, II two-stage off-gas treatment section, and every grade sprays three parts by coarse filtration layer, gas liquid reaction layer and waterpower and forms.The coarse filtration layer is corrugated plate packing, and volume is real during installation stacks, and lines staggers between every layer; The gas liquid reaction layer is the hollow ball filler; The waterpower spray nozzle is the helical form type.The waste gas adsorption zone comprises I, II two-stage charcoal absorption district.
Chemicals dosing plant comprises agitator tank, NaOH solution tank NaOH, valve.
Alkalization absorption-adsorption tower is consistent with oxidation absorption tower external form, and internal structure is also roughly the same, and difference is that the storage area, bottom of tower does not have ozonisation gas aerator, only stores alkali lye water.The recirculated water spray changes the alkali lye circulated sprinkling into.
Waste gas absorbs through blower fan and enters oxidation absorption-adsorption system, after ozone oxidation, charcoal absorption, enters alkalization absorption-adsorption system, is discharged by aiutage after alkali liquor absorption and charcoal absorption.
After adopting above scheme, the beneficial effects of the utility model are: the organic and inorganic waste gas that can effectively process compositions such as containing benzene, toluene, butanone, ethyl acetate, styrene, hydrogen sulfide, ammonia, methyl mercaptan, sulfur dioxide, methyl sulfide, acrylic acid, also can effectively remove dust granules, solve the atmosphere pollution that the exhaust gas source such as workshop, sewage biochemical aeration tank cause, realize the waste gas qualified discharge.Sulfuric acid mist waste gas purification rate can reach 93% after using this device, and nitric acid waste gas purification rate can reach 90%, and salt acid mist waste gas purification rate can reach 98%, and the purifying property technical indicator reaches advanced international level.
Below in conjunction with accompanying drawing the utility model is described in further detail.
Description of drawings
Fig. 1 is the utility model process chart.
Fig. 2 is the utility model oxidation absorption-adsorption system profile.
Among Fig. 2: 4. coarse filtration layer, 5. gas liquid reaction layer, 6. waterpower spray district, 7. waste gas adsorption zone, 8. gas storage district, 9. air outlet, 10. ozonation aerated assembly, 11. recirculated water spray equipments.
Fig. 3 is the utility model alkalization absorption-adsorption system profile.
Among Fig. 3: 21. alkali lye storage areas, 26. waste gas adsorption zones, 27. gas storage districts, 28. air outlets, 29. alkali lye circulating sprayers.
The specific embodiment
According to Fig. 1, Fig. 2, shown in Figure 3, a kind of waste gas Integrated Processing Unit of the utility model comprises electric control system, also comprises gas sampling exhaust system, off-gas oxidizing absorption-adsorption system, waste gas alkalization absorption-adsorption system, ozone generation system.
Gas sampling exhaust system described in the utility model comprises preposition blower fan, rearmounted blower fan, aiutage, airduct, flashboard; Described blower fan is anticorrosion centrifugal fan, and material is fiberglass or PP sheet material matter; Described aiutage material is PP pipeline or carbon steel; Described off-gas oxidizing absorption-adsorption system comprises ozone generating-device, oxidation absorption-adsorption tower, recirculated water spray equipment 11; Described waste gas alkalization absorption-adsorption system comprises chemicals dosing plant, alkalization absorption-adsorption tower, alkali lye circulating sprayer 29; Described ozone generation system is intermediate-frequency ozone generator; Described oxidation absorption-adsorption tower profile is cylindrical closed vessel, vertical vertical placement, inner employing multi-ply construction upwards is followed successively by from bottom: ozonation aerated assembly 10, storage area 2, recirculated water spray equipment 11, gas inlet assembly, off-gas oxidizing uptake zone, waste gas adsorption zone 7, gas storage district 8, air outlet 9; Described ozonation aerated assembly 10 comprises aeration supervisor, aeration branch pipe, aeration plate, and aeration tube adopts stainless steel, and aeration plate uses corrosion-resistant material; Described recirculated water spray equipment 11 comprises water pump, control valve, connecting pipe, and water pump adopts the fluoroplastic pump of explosion-proof electric machine; Described gas inlet assembly is provided with flange port, the external preposition blower fan airduct of giving vent to anger, the flange water fender that arranges suitable for reading; Described off-gas oxidizing uptake zone is provided with I, II two-stage off-gas treatment section, distinguishing 6 three parts by coarse filtration floor 4, gas liquid reaction floor 5 and waterpower spray for every grade forms, coarse filtration layer 4 is corrugated plate packing, volume is real during installation stacks, lines staggers between every layer, gas liquid reaction layer 5 is the hollow ball filler, and waterpower spray district 6 shower nozzles are helical form; Described waste gas adsorption zone 7 comprises I, II two-stage charcoal absorption district; Described chemicals dosing plant comprises that agitator tank, NaOH solution tank NaOH, valve form; Described alkalization absorption-adsorption tower profile is cylindrical closed vessel, vertical vertical placement, inner employing multi-ply construction upwards is followed successively by from bottom: alkali lye storage area 21, alkali lye circulating sprayer 29, gas inlet assembly, off-gas oxidizing uptake zone, waste gas adsorption zone 26, gas storage district 27, air outlet 28.
The utility model is comprised of gas sampling exhaust system, off-gas oxidizing absorption-adsorption system, waste gas alkalization absorption-adsorption system, ozone generation system, electric control system five part systems.Wherein the gas sampling exhaust system comprises preposition blower fan, rearmounted blower fan, aiutage, airduct, flashboard etc.; Off-gas oxidizing absorption-adsorption system is comprised of ozone generating-device, oxidation absorption-adsorption tower, recirculated water spray equipment 11 3 parts; Waste gas alkalization absorption-adsorption system mainly is comprised of chemicals dosing plant, alkalization absorption-adsorption tower, alkali lye circulating sprayer 29 3 parts.Waste gas enters off-gas oxidizing absorption-adsorption system through blower fan, after ozone oxidation, charcoal absorption, enters waste gas alkalization absorption-adsorption system, is discharged by aiutage after alkali liquor absorption and charcoal absorption.
1, gas sampling, exhaust system
This system is comprised of preposition blower fan, rearmounted blower fan, aiutage, airduct, flashboard etc.Preposition blower fan and rearmounted blower fan are set, had both solved because of exhaust gas source and carried at a distance the little problem of generation air intake pressure reduction, compensated again the resistance of absorption inner-tower filling material to the gas operation.Be the corrosion of protection sour gas, the blower fan pattern is anticorrosion centrifugal fan, and material is fiberglass or PP sheet material matter, and performance parameter is decided according to the total blast volume of processed waste gas.The diameter of airduct and wall thickness are according to the blower fan model of having finalized the design, the design of exhaust-gas treatment amount.When airduct was installed, straight line connected as much as possible, uses less elbow, to reduce the gas transporting resistance.According to the exhaust-gas treatment amount, the aiutage diameter between D=Ф 500-700mm, height H=20-25 rice, its material can be PP pipeline or carbon steel, when selecting the PP pipeline, protects the carbon steel material protector outward; When being elected to be carbon steel piping, the inwall of cylinder must be with acid proof reinforced plastics coating.
Two flashboards of the utility model design, one is communicated with off-gas oxidizing absorptions-adsorption system, and another connects in line pipeline, makes waste gas directly emptying when treatment system is maintained or overhaul.
2, off-gas oxidizing absorption-adsorption system.This system mainly is comprised of ozone generating-device, oxidation absorption-adsorption tower, recirculated water spray equipment three parts.
The strong oxidizer that uses during exhaust-gas treatment is ozone, for obtaining high concentration (10-15mg/L) ozone, supports the use intermediate-frequency ozone generator, compare with the power frequency generator, the characteristics of intermediate-frequency ozone generator are that ozone concentration is high, and power consumption is few, floor space is little, can realize automatically control.
Oxidation absorption-adsorption tower profile is cylindrical closed vessel, and volume is decided according to the size of gas treatment amount, vertical vertical placement, two phase countercurrent flow.The inner employing of oxidation absorption-adsorption tower multi-ply construction upwards is followed successively by from bottom: ozonation aerated assembly 10, storage area 2, recirculated water spray equipment 11, gas inlet assembly, off-gas oxidizing uptake zone, waste gas adsorption zone 7, gas storage district 8, air outlet 9.
(1) ozonation aerated assembly 10
Formed by aeration supervisor, aeration branch pipe, aeration plate, be installed in the bottom of storage area, be dissolved in the water through the aeration assembly from the ozone gas of ozone generator.Because ozone has extremely strong oxidability, so aeration tube all adopts stainless steel, aeration plate uses corrosion-resistant material, and the specification size of the ozone generator that the diameter of pipeline and the quantity basis of aeration plate are supporting determines.
(2) storage area 2 and recirculated water spray equipment 11
The height of storage area 2 is between 1.2-1.5 rice, and the tower wall is provided with the water level visor, during the interior water content consumption of tower, and the automatic replenishment control of the water yield.When dark or turbidity was higher when colority of water in the tower, it was emptying to open the bottom atmospheric valve, changes clear water.
The utility model is designed to the extracorporal circulatory system form with the recirculated water spray equipment, and the recirculated water spray equipment comprises water pump, control valve, connecting pipe.Water pump is drawn Ozone Water from the bottom, storage area during work, and two spray equipments are evenly delivered in the pump pressurization, control valve is installed in order to control the water yield and hydraulic pressure before pump.The water pump pattern is decided to be the fluoroplastic pump of supporting explosion-proof electric machine, and its overcurrent part all adopts the fluorine alloy mold pressing, processes, have stronger corrosion resistance, mechanical strength high, without the advantage that toxin decomposes, performance parameter is decided according to the specification on absorption tower.Pump housing water sucking mouth and pipeline adopt connecting hose.
(3) gas inlet assembly
Be provided with flange port, the external preposition blower fan airduct of giving vent to anger is for preventing entering airduct from the shower water on top, the flange water fender that arranges suitable for reading.
(4) off-gas oxidizing uptake zone
The utility model is provided with I, II two-stage off-gas treatment section, distinguishes 6 three parts by coarse filtration floor 4, gas liquid reaction floor 5 and waterpower spray for every grade and forms.
Coarse filtration layer 4: main body is corrugated plate packing, and volume is real during installation stacks, the lines that staggers between every layer, and its effect is to change the gas circuit running orbit, under the effect of spray waterpower, the particulate solid in the waste gas drop in the storage area.
Gas liquid reaction layer 5: main body is the hollow ball filler, its effect be the lighter hollow ball filler of proportion under the thrust of gas, make random tumbling motion, prolong the time of contact of gas and spray Ozone Water, can fully carry out the gas-liquid exchange, organic principle is absorbed by the Ozone Water oxidation.
Waterpower spray district 6: the shower nozzle that the utility model is selected is the helical form type, and under the effect of waterpower, the water that ejects presents vaporific, and mixing together between the water smoke, does not stay the dead angle.
(5) the waste gas adsorption zone 7
The utility model design I, II two-stage charcoal absorption district, the characteristics such as the active carbon of selecting has the hole prosperity, specific area is large, intensity is high, adsorption rate is fast, friction resistant, anti-flushing.Through for a long time operation, find that active carbon is sticking such as equipment, gas circuit is not smooth, and the gas prompt drop is low, then should in time change active carbon.
(6) gas storage district 8
Cushion herein through the gas after the processing of this tower, then enter waste gas alkalization-absorption system and be for further processing.
3, waste gas alkalization absorption-adsorption system
This system mainly is comprised of chemicals dosing plant, alkalization absorption-adsorption tower, alkali lye circulating sprayer three parts.
(1) chemicals dosing plant
This device is comprised of agitator tank, NaOH solution tank NaOH, valve etc.Dispose two measuring pumps, two measuring pumps are the using and the reserved, make things convenient for like this user to overhaul, change accessory under non-stop-machine state.
(2) alkalization absorption-adsorption tower
Same set of device alkalization absorption-adsorption tower is consistent with oxidation absorption tower external form, realizes that whole harmonious is attractive in appearance, and internal structure is also roughly the same, and difference is that the storage area, bottom of tower does not have ozonisation gas aerator, only stores alkali lye water.
The NaOH dilution of the alkali lye employing 4%-6% of alkalization in the absorptions-adsorption tower, its formulation ratio are that the exhaust gas concentration according to Subscriber Unit decides.The same with oxidation absorption-adsorption tower, alkalization absorption-adsorption tower two phase countercurrent flow.Gas through peroxidization enters purifying column by tower body below air inlet, under the dynamic action of blower fan, be full of rapidly air inlet section space, then rise to first order packing material absorbing section by flow equalization section equably, on the surface of filler, gas phase middle acid substance and liquid phase neutral and alkali material generation chemical reaction, reaction product matter flows into the bottom hopper with absorption liquid.The waste gas that does not absorb fully continues to rise and enters first order spray section.Absorption liquid sprays at a high speed from uniform nozzle in spray section, forms countless fine mist, fully mixes contacting with gas, continues chemical reaction occurs, and then waste gas rises to the secondary packing section, spray section is carried out and the similar absorption process of the first order.The top of tower body is two sections activated carbon adsorption layers, and folded absorption liquid droplet here is blocked and absorbs in the gas, and pure air after treatment is from airduct lower inflow aiutage about the suction of air-introduced machine of tower body upper end.
(3) the alkali lye circulating sprayer 29
The alkali lye circulating sprayer is identical with oxidation absorption-adsorption tower recirculated water spray equipment 11 structures, just changes the recirculated water spray into alkali lye circulated sprinkling 29.
Claims (8)
1. a waste gas Integrated Processing Unit comprises electric control system, it is characterized in that: also comprise gas sampling exhaust system, off-gas oxidizing absorption-adsorption system, waste gas alkalization absorption-adsorption system, ozone generation system.
2. a kind of waste gas Integrated Processing Unit according to claim 1, it is characterized in that: described gas sampling exhaust system comprises preposition blower fan, rearmounted blower fan, aiutage, airduct, flashboard; Described blower fan is anticorrosion centrifugal fan, and material is fiberglass or PP sheet material matter; Described aiutage material is PP pipeline or carbon steel.
3. a kind of waste gas Integrated Processing Unit according to claim 1, it is characterized in that: described off-gas oxidizing absorption-adsorption system comprises ozone generating-device, oxidation absorption-adsorption tower, recirculated water spray equipment (11).
4. a kind of waste gas Integrated Processing Unit according to claim 1 is characterized in that: described waste gas alkalization absorptions-adsorption system comprises chemicals dosing plant, absorption-adsorption tower, alkali lye circulating sprayer (29) alkalize.
5. a kind of waste gas Integrated Processing Unit according to claim 1, it is characterized in that: described ozone generation system is intermediate-frequency ozone generator.
6. a kind of waste gas Integrated Processing Unit according to claim 3, it is characterized in that: described oxidation absorption-adsorption tower profile is cylindrical closed vessel, vertical vertical placement, inner employing multi-ply construction upwards is followed successively by from bottom: ozonation aerated assembly (10), storage area (2), recirculated water spray equipment (11), gas inlet assembly, off-gas oxidizing uptake zone, waste gas adsorption zone (7), gas storage district (8), air outlet (9); Described ozonation aerated assembly (10) comprises aeration supervisor, aeration branch pipe, aeration plate, and aeration tube adopts stainless steel, and aeration plate uses corrosion-resistant material; Described recirculated water spray equipment (11) comprises water pump, control valve, connecting pipe, and water pump adopts the fluoroplastic pump of explosion-proof electric machine; Described gas inlet assembly is provided with flange port, the external preposition blower fan airduct of giving vent to anger, the flange water fender that arranges suitable for reading; Described off-gas oxidizing uptake zone is provided with I, II two-stage off-gas treatment section, every grade has coarse filtration floor (4), gas liquid reaction floor (5) and waterpower spray district (6) three parts to form, coarse filtration layer (4) is corrugated plate packing, volume is real during installation stacks, lines staggers between every layer, gas liquid reaction layer (5) is the hollow ball filler, and waterpower spray district (6) shower nozzle is helical form; Described waste gas adsorption zone (7) comprises I, II two-stage charcoal absorption district.
7. a kind of waste gas Integrated Processing Unit according to claim 4 is characterized in that: described chemicals dosing plant comprises that agitator tank, NaOH solution tank NaOH, valve form.
8. a kind of waste gas Integrated Processing Unit according to claim 4, it is characterized in that: described alkalization absorption-adsorption tower profile is cylindrical closed vessel, vertical vertical placement, inner employing multi-ply construction upwards is followed successively by from bottom: alkali lye storage area (21), alkali lye circulating sprayer (29), gas inlet assembly, off-gas oxidizing uptake zone, waste gas adsorption zone (26), gas storage district (27), air outlet (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220295359 CN202666671U (en) | 2012-06-22 | 2012-06-22 | Comprehensive treating device for exhaust gas |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220295359 CN202666671U (en) | 2012-06-22 | 2012-06-22 | Comprehensive treating device for exhaust gas |
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| CN202666671U true CN202666671U (en) | 2013-01-16 |
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| CN 201220295359 Expired - Fee Related CN202666671U (en) | 2012-06-22 | 2012-06-22 | Comprehensive treating device for exhaust gas |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102743968A (en) * | 2012-06-22 | 2012-10-24 | 徐旭 | Waste gas integrated treatment device |
| CN103611373A (en) * | 2013-12-02 | 2014-03-05 | 深圳市建筑科学研究院有限公司 | Air filter |
| CN106000038A (en) * | 2016-07-07 | 2016-10-12 | 无锡市昂益达机械有限公司 | Integral waste gas treatment device |
| CN109126416A (en) * | 2017-06-15 | 2019-01-04 | 宝山钢铁股份有限公司 | A kind of waste emulsified mixture deodorizing device |
-
2012
- 2012-06-22 CN CN 201220295359 patent/CN202666671U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102743968A (en) * | 2012-06-22 | 2012-10-24 | 徐旭 | Waste gas integrated treatment device |
| CN103611373A (en) * | 2013-12-02 | 2014-03-05 | 深圳市建筑科学研究院有限公司 | Air filter |
| CN106000038A (en) * | 2016-07-07 | 2016-10-12 | 无锡市昂益达机械有限公司 | Integral waste gas treatment device |
| CN109126416A (en) * | 2017-06-15 | 2019-01-04 | 宝山钢铁股份有限公司 | A kind of waste emulsified mixture deodorizing device |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130116 Termination date: 20130622 |