CN203540330U - Treatment device of odor pollutant waste gas - Google Patents
Treatment device of odor pollutant waste gas Download PDFInfo
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- CN203540330U CN203540330U CN201320431101.5U CN201320431101U CN203540330U CN 203540330 U CN203540330 U CN 203540330U CN 201320431101 U CN201320431101 U CN 201320431101U CN 203540330 U CN203540330 U CN 203540330U
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Abstract
The utility model relates to a waste gas treatment device, and particularly relates to a treatment device of odor pollutant waste gas. The odor pollutant waste gas comprises a gas-collecting hood, a spraying and adsorbing integral device and a UV photolysis catalytic device which are connected through a pipeline and arranged successively, wherein the spraying and adsorbing integral device comprises a spraying device, an activated carbon adsorption layer and a spraying and adsorbing integral case; the spraying device and the activated carbon adsorption layer are successively arranged in the spraying and adsorbing integral case. The treatment device of the odor pollutant waste gas has the beneficial effects that odor pollutant waste gas can be efficiently removed, the adaptability is strong, the treatment capacity is large, secondary pollution is avoided, the equipment investment and operating cost are low, and the volume is small.
Description
Technical field
The utility model relates to emission-control equipment, relates in particular to a kind for the treatment of facility of odorant pollutant waste gas.
Background technology
Along with the high speed development of national economy, the raising of living standards of the people, people are also more and more higher to the requirement of quality of life, and the existence of stink comes into one's own more.Stench is one of 7 kinds of typical public hazards, and the peacefulness that is endangering the healthy of people and life is comfortable.After the pollutants such as dust, sulfur dioxide, nitrogen oxide, people are generally concerned about the problem of preventing and treating of odor pollution, in recent years, many scientific research institutions are all devoted to this research work of problem on the one hand, in order to tackle the threat day by day serious to environmental and human health impacts of odorant pollutant waste gas, find a kind of economy, efficiently odorant pollutant exhaust gas decomposition technology is very urgent.Odorant pollutant refers to that all stimulate olfactory organ to cause the gaseous matter that people are unhappy and damage living environment.In a broad sense, we are referred to as foul gas all odorants that distribute in atmosphere.Foul gas can not only bring the discomfort of people's sense of smell, moves in for a long time in the environment of odor pollution and also can cause the functional diseases such as apocleisis, insomnia, decrease of memory, mood agitation.Odorant pollutant waste gas can be divided into five classes from its composition.The one, sulfur-containing compound, as hydrogen sulfide, thio-alcohol, thioether class etc.; The 2nd, containing nitrogen compound, as ammonia, amine, acid amides, indoles etc.; The 3rd, halogen and derivative thereof, as chlorine, halogenated hydrocarbons etc.; The 4th, hydro carbons, as alkane, alkene, alkynes, aromatic hydrocarbon etc.; The 5th, oxygen containing organic matter, as phenol, alcohol, aldehyde, ketone, organic acid etc.
When selecting odorant pollutant waste gas processing method, need to conscientiously investigate pollution sources, the character of foul gas and consider equipment investment and operating cost, make full use of existence conditions performance and feature in conjunction with each technique, the malodor source of disperseing is preferably sealed and focused on.The processing method of odorant pollutant waste gas mainly contains several classes such as physical deodorization method, chemical deodorizing method, biological odor removal method.
Generally the physical deodorization method of application mainly contains at present: (1) masking method: masking method is actually a kind of method of feeling smelly eliminating.It is according to smell abirritation principle, and the stronger pleasant smell and the foul smell fusion that utilize certain material to send, to shelter foul smell, become smell and accepted by people.(2) dilution diffusion method: dilution diffusion method is mainly applicable to the industry Deodor of emission source in a organized way.(3) absorption method: activated carbon is the most frequently used adsorbent, has the types such as NACF, spheric active carbon, carbon molecular sieve, pressed active carbon plate.
Chemical deodorizing method mainly contains: (1) absorption process: absorption process is to utilize the physicochemical properties of odorant, and water or other solvent are absorbed it, conventionally need to add the oxidants such as potassium permanganate, hypochlorite.(2) combustion method: combustion method is used for the exhaust-gas treatment of VOC, conventional incendiary type has direct burning, catalytic combustion and heat-accumulation combustion at present.(3) Ozonation: ozone is a kind of strong oxidizing property material, can decompose most of odorant exhaustive oxidations, and that therefore aspect sewage treatment plant's odor destruction, applies is many.
Biological odor removal method mainly contains: (1) biofilter: biofilter formula deodorization method cardinal principle is that odorant pollutant waste gas is after the pretreating process such as dust removal humidification or cooling, under pressure effect, rise and pass biologically active packed layer (filter bed) driving, by being bonded to the metabolism of the microorganism on filtrate, being decomposed and getting rid of.(2) bio-trickling filter: the deodorising process of bio-trickling filter method is similar to biological filter process, but the filtrate using is the inert material that nutriment can not be provided, as pottery, plastics, polypropylene pellets, active carbon etc.(3) biosorption process: biosorption process claims again activated sludge process, its principle is that odor pollutant is transferred in activated sludge, utilizes the microorganism in activated sludge to be degraded, and reaches removal object.(4) biological deodorant: biological deodorant is according to microbial deodorization principle exploitation, and it is that the efficient deodorization microorganism screening is fixed on carrier, makes certain formulation, odorant pollutant waste gas by time just reach the effect of deodorizing.Efficient deodorization microbial bacteria provenance is all from sludge sewage or soil.
The means of current international and domestic improvement odorant pollutant waste gas mainly adopt: 1, masking method; 2, dilution diffusion method; 3, absorption method; 4, absorption process; 5, combustion method; 6, Ozonation; 7, biofilter; 8, bio-trickling filter; 9, biosorption process; 10, biological deodorant etc., they exist equipment investment high in varying degrees, and operating cost is high, processes narrow-mindedly, and job insecurity, takes up room large, and treatment effeciency is not high, has secondary pollution etc. problem.
Physical deodorization method mainly contains: (1) masking method: masking method expense is higher, but easy to use, is mainly used in being not suitable for the deodorization of situation and the living facilities of using deodorization device.Because foul smell is sheltered and do not remove by aromatic series deodorant, it not therefore basic deodour method.(2) dilution diffusion method: the deodorizing method that dilution diffusion method neither be basic.Adopt the method cost higher, easily make controlled odorant concentration exceed environmental standard, even expand pollution range.(3) absorption method: because the adsorption capacity of adsorbent is limited, operating cost is high, regeneration difficulty and regenerative process easily cause secondary pollution to environment, and absorption method is mainly used to process the foul smell of low concentration or uses with other process integration.
Chemical deodorizing method mainly contains: (1) absorption process: this method simple cheap, but easily cause secondary pollution.(2) combustion method: combustion method is used for the exhaust-gas treatment of VOC, conventional incendiary type has direct burning, catalytic combustion and heat-accumulation combustion at present.This method is applicable to the odorant pollutant waste gas that concentration is higher, and investment, operating cost is higher.(3) Ozonation: when odorant pollutant exhaust gas concentration is higher, ozone can not be completely oxidized pollutant.In addition, ozone generator energy consumption is very high, and ozone remaining in processing procedure easily causes secondary pollution to environment.
Biological odor removal method is transformed material frowzy tool by the physiological metabolism of microorganism, reaches the object of deodorizing.Microorganism can only utilize deliquescent material in water, and first the odorant pollutant being therefore degraded should be dissolved in the water, then transfers in microbial body, by the metabolic activity of microorganism, is degraded.Biological odor removal method mainly contains: (1) biofilter: the bad control of this method microbial activity, treatment effeciency is difficult to guarantee.(2) bio-trickling filter: this method complicated operation, and need constantly add nutriment, the application of bio-trickling filter is also subject to certain restrictions, thereby the research trend of bio-trickling filter is to improve in operating system and raising system on micro organism quantity.(3) biosorption process: this method also will be improved the dissolubility of odorant pollutant and improve the impact resistance of reactor, the higher removal efficiency of guarantee like this.(4) biological deodorant: the microorganism fungus kind difficulty that screening, efficient, the applicable specific odorant pollutant of domestication are degraded is very large, and the time cycle is very long.
Summary of the invention
In order to solve the problems of the prior art, the utility model provides a kind of can efficiently remove that odorant pollutant waste gas, strong adaptability, treating capacity are large, the treatment facility of non-secondary pollution, equipment investment is little, operating cost is low, equipment volume is little odorant pollutant waste gas.
The utility model provides a kind for the treatment of facility of odorant pollutant waste gas, comprise by pipeline and connect and adsorb integrated apparatus and UV photodissociation catalytic unit according to the tactic gas skirt of precedence, spray, described spray absorption integrated apparatus comprises spray equipment, activated carbon adsorption layer and spray absorption integrated box body, and described spray equipment, activated carbon adsorption layer are set in sequence in described spray absorption integrated box body according to precedence.
As further improvement of the utility model, in the pipeline between described gas skirt, spray absorption integrated apparatus, be provided with by-pass valve control.
As further improvement of the utility model, the discharge gate of described UV photodissociation catalytic unit is connected with centrifugal blower by pipeline, and the discharge gate of described centrifugal blower is connected with discharge drum.
As further improvement of the utility model, between described spray equipment, activated carbon adsorption layer, be provided with the water fender of avoiding water to flow into activated carbon adsorption layer.
As further improvement of the utility model, described spray equipment comprises shower nozzle, the water pump being connected with described shower nozzle and the water tank being connected with described water pump, between described shower nozzle, activated carbon adsorption layer, is provided with packing layer.
As further improvement of the utility model, between described packing layer, activated carbon adsorption layer, be provided with demist layer.
As further improvement of the utility model, described spray absorption integrated box body is provided with the packing layer charging aperture and the packing layer discharging opening that are connected with described packing layer, described spray absorption integrated box body is provided with the demist layer charging aperture and the demist layer discharging opening that are connected with described demist layer, and described spray absorption integrated box body is provided with the activated carbon adsorption layer charging aperture and the activated carbon adsorption layer discharging opening that are connected with described activated carbon adsorption layer.
As further improvement of the utility model, the filler of described packing layer is polyhedron empty ball filler, PP ball filler, Pall ring, any one in Raschig ring filler or its any combination, the filler layering of described packing layer arranges, described demist layer is stratiform ripple demist plate, layered ripple demist plate is plastic corrugated sheet, demist filter screen, demist blinds, any one in carbon steel or its any combination, described activated carbon adsorption layer is granular activated carbon, any one in fibre active carbon or its any combination, described packing layer, demist layer, activated carbon adsorption layer is drawer structure.
As further improvement of the utility model, between the charging aperture of described spray absorption integrated box body, spray equipment, be provided with inlet guide fluid layer, described packing layer is drawer structure, and described demist layer is drawer structure, and described activated carbon adsorption layer is drawer structure.
As further improvement of the utility model, the input flow rate of described spray absorption integrated apparatus is greater than output flow.
As further improvement of the utility model, described spray absorption integrated box body is provided with transparent windows.
As further improvement of the utility model, described UV photodissociation catalytic unit comprises UV photodissociation catalysis casing and is arranged on the UV generating means in described UV photodissociation catalysis casing, in described UV generating means, is provided with UV fluorescent tube.
The utility model also provides a kind of processing method of odorant pollutant waste gas, comprises the following steps:
A, by gas skirt, collect odorant pollutant waste gas;
B, the spray equipment adsorbing in integrated apparatus by spray spray odorant pollutant waste gas, then adsorb the activated carbon adsorption layer absorption odorant pollutant waste gas in integrated apparatus by spray;
C, by UV photodissociation catalytic unit photodissociation catalysis odorant pollutant waste gas.
As further improvement of the utility model, step B comprises following sub-step:
B1, by spray, adsorb the inlet guide fluid layer water conservancy diversion odorant pollutant waste gas in integrated apparatus;
B2, the spray equipment adsorbing in integrated apparatus by spray spray odorant pollutant waste gas;
B3, by spray, adsorb packing layer in integrated apparatus and increase the contact area of water and odorant pollutant waste gas;
B4, the demist layer adsorbing in integrated apparatus by spray are removed the aqueous vapor in odorant pollutant waste gas;
B5, the water fender adsorbing in integrated apparatus by spray prevent that water from flowing into activated carbon adsorption layer;
B6, the activated carbon adsorption layer adsorbing in integrated apparatus by spray adsorb odorant pollutant waste gas.
As further improvement of the utility model, the input flow rate of described spray absorption integrated apparatus is greater than output flow.
The beneficial effects of the utility model are: pass through such scheme, by spray, adsorb the spray equipment spray odorant pollutant waste gas in integrated apparatus, by spray, adsorb the activated carbon adsorption layer absorption odorant pollutant waste gas in integrated apparatus again, first utilize spray equipment to remove the dust granules thing in odorant pollutant waste gas, and reduce the temperature of waste gas, avoid the impact on follow-up charcoal absorption and UV photodissociation catalytic treatment of dust granules thing and high temperature, utilize the liquid mist of spray to absorb odorant pollutant simultaneously, further utilize the odorant pollutant in activated carbon adsorption layer absorption waste gas, this spray absorption integrated apparatus front end is spray equipment, rear end is activated carbon adsorption layer, front end spray equipment belongs to Continuous Contact formula gas-liquid mass transfer (contact) equipment, two phase compositions change along flowing to continuously, wherein, gas phase is continuous phase, liquid phase is decentralized photo, mass transfer apparatus using the filler in spray equipment as gas-liquid two-phase Contact member, increase gas phase, liquid phase contact area, and extend the time of staying, by gas-liquid two-phase close contact, carry out mass transfer, reach dedusting, cooling, remove the object of odorant pollutant, this spray absorption integrated apparatus rear end further utilizes activated carbon adsorption layer to carry out purified treatment to odorant pollutant waste gas, active carbon is a kind of porous carbon containing matter, it has highly developed hole structure, the loose structure of active carbon provides a large amount of surface areas for it, can fully contact with gas, thereby given active carbon peculiar absorption property, make it be very easy to reach the object that absorbs pollutant, as magnetic force, between all molecules, all there is attractive interaction, Just because of this, a large amount of molecule on active carbon hole wall can produce powerful gravitation, thereby reach, harmful material is attracted to the object in aperture, further by UV photodissociation catalytic unit, remaining odorant pollutant in waste gas is carried out to cracking purified treatment again, to guarantee complete qualified discharge, UV photodissociation catalytic unit produces high-intensity ultraviolet odorant pollutant waste gas is irradiated, the molecular chain structure of odorant pollutant fracture under the effect of high-intensity ultraviolet, make macromolecular substances be cracked into small-molecule substance (most of is harmless odorless micromolecular compound), high energy ultraviolet beam simultaneously, make to produce in air a large amount of free electrons, these electronics major parts can be obtained by oxygen, form negative oxygen ion O
3 -, have part negative oxygen ion can lose an electronics and ozonize O
3, meanwhile, high intensity ultraviolet Line beam and photochemical catalyst nano-TiO
2effect produces hydroxyl radical free radical OH, and hydroxyl radical free radical OH is one of oxidant of tool activity, and oxidability, apparently higher than ordinary oxygen agent, is reacted with odorant pollutant, and mineralization degree is higher, O
3, O
3 -, OH isoreactivity oxygen oxidisability is very strong, can oxidation of organic compounds and inorganic matter, to main odorant pollutant: ammonia, trimethylamine, hydrogen sulfide, methyl mercaptan, methyl sulfide, methyl disulfide, carbon disulfide, styrene etc., can there is oxidation reaction, these active oxygens intermediate product that further the part pollutant to escape not processed in gas, part generate carries out complete oxidation purified treatment, thereby makes contaminant molecule finally be degraded to the harmless odorless compound of little molecule or complete oxidation mineralising is CO
2and H
2o, avoided independent employing UV photodissociation to process, there is the intermediate product that part pollutant is escaped and part generates not processed, decompose incomplete halfway defect, have advantages of that resolution process is thorough, purified treatment efficiency is high, reduced the pollution of odorant pollutant waste gas to environment and the harm of health, can efficiently remove odorant pollutant waste gas, strong adaptability, treating capacity are large, non-secondary pollution, equipment investment is little, operating cost is low, equipment volume is little.
Accompanying drawing explanation
Fig. 1 is the structural representation of the treatment facility of a kind of odorant pollutant waste gas of the utility model;
Fig. 2 is the front view of the spray absorption integrated apparatus of the treatment facility of a kind of odorant pollutant waste gas of the utility model;
Fig. 3 is the top view of the spray absorption integrated apparatus of the treatment facility of a kind of odorant pollutant waste gas of the utility model;
Fig. 4 is the structural representation of the UV photodissociation catalytic unit of the treatment facility of a kind of odorant pollutant waste gas of the utility model.
The specific embodiment
Below in conjunction with accompanying drawing explanation and the specific embodiment, the utility model is further illustrated.
Drawing reference numeral in Fig. 1 to Fig. 4 is: gas skirt 1; Pipeline 2; By-pass valve control 3; Spray absorption integrated apparatus 4; Base plate 41; Activated carbon adsorption layer 42; Water fender 43; Demist layer 44; Packing layer 45; Water tank 46; Shower nozzle 47; Inlet guide fluid layer 48; Transparent windows 49; Packing layer charging aperture 410; Demist layer charging aperture 411; Activated carbon adsorption layer charging aperture 412; Packing layer discharging opening 413; Demist layer discharging opening 414; Activated carbon adsorption layer discharging opening 415; UV photodissociation catalytic unit 5; UV photodissociation catalysis casing 51; UV generating means 52; UV fluorescent tube 53; Centrifugal blower 6; Discharge drum 7.
As shown in Figures 1 to 4, a kind for the treatment of facility of odorant pollutant waste gas, comprise by pipeline 2 and connecting and according to the tactic gas skirt 1 of precedence, spray absorption integrated apparatus 4 and UV photodissociation catalytic unit 5, described spray absorption integrated apparatus 4 comprises spray equipment, activated carbon adsorption layer 42 and spray absorption integrated box body, described spray equipment, activated carbon adsorption layer 42 is set in sequence in described spray absorption integrated box body according to precedence, described spray absorption integrated box body is connected with base 41, described base 41 can be preferably tabular, for fixing described spray absorption integrated box body.
As shown in Figure 1, in the pipeline 2 between described gas skirt 1, spray absorption integrated apparatus 4, be provided with by-pass valve control 3, whether described by-pass valve control 3 enters described spray absorption integrated apparatus 4 for controlling odorant pollutant waste gas.
As shown in Figures 1 to 4, the discharge gate of described UV photodissociation catalytic unit 5 is connected with centrifugal blower 6 by pipeline 2, and the discharge gate of described centrifugal blower 6 is connected with discharge drum 7, and described centrifugal blower 6 is for detaching odorant pollutant waste gas.
As shown in Figure 2 to Figure 3, between described spray equipment, activated carbon adsorption layer 42, be provided with the water fender 43 of avoiding water to flow into activated carbon adsorption layer 42, described water fender 43 prevents the liquid of spray equipment from flowing to activated carbon adsorption layer 42, and this way, guarantees that the treatment effect of activated carbon adsorption layer 42 is in optimum state.。
As shown in Figure 2 to Figure 3, described spray equipment comprises shower nozzle 47, the water pump being connected with described shower nozzle 47 and the water tank 46 being connected with described water pump, between described shower nozzle 47, activated carbon adsorption layer 42, be provided with packing layer 45, described water tank 46 is for storing the liquid of spray, described shower nozzle 47 is for by the atomization of liquid, increase gas-liquid contact area, meanwhile, packing layer 45 can further increase contact area and extend the time of staying.
As shown in Figure 2 to Figure 3, between described packing layer 45, activated carbon adsorption layer 42, be provided with demist layer 44.
As shown in Figure 2 to Figure 3, described spray absorption integrated box body is provided with the packing layer charging aperture 410 and the packing layer discharging opening 413 that are connected with described packing layer 45, described spray absorption integrated box body is provided with the demist layer charging aperture 411 and the demist layer discharging opening 414 that are connected with described demist layer 44, and described spray absorption integrated box body is provided with the activated carbon adsorption layer charging aperture 412 and the activated carbon adsorption layer discharging opening 415 that are connected with described activated carbon adsorption layer 42.
As shown in Figure 2 to Figure 3, spray absorption integrated apparatus 4 can be horizontal, also can be vertical.The filler of packing layer 45 can be the ball filler such as polyhedron empty ball, Pall ring, any one in Raschig ring filler or its any combination, the number of plies of packing layer 45 can be according to waste gas tolerance, concentration, composition and increase or reduce, as very large in waste gas tolerance, concentration is higher, the number of plies of packing layer 45 can increase to 2 ~ 3 layers, equally, demist layer 44, the number of plies of activated carbon adsorption layer 42 also can increase and decrease adjusting according to the situation of waste gas, demist layer 44 is general adopts corrugated platings such as (as carbon steel) of plastics or other materials, demist filter screen, the forms such as demist blinds, the filler of activated carbon adsorption layer 42 can adopt granular activated carbon, also can adopt the forms such as fibre active carbon.Packing layer 45, demist layer 44, activated carbon adsorption layer 42 can adopt drawer form to change filler, also can adopt the forms such as charging and discharging mouth to change filler.
As shown in Figure 2 to Figure 3, between the charging aperture of described spray absorption integrated box body, spray equipment, be provided with inlet guide fluid layer 48, inlet guide fluid layer 48 is scalar horn mouth, surrounding has multiple circular channels, and inlet guide fluid layer 48 is preferably entrance guiding plate, and inlet guide fluid layer 48 is conducive to the diverging flow of gas, described packing layer 45 is drawer structure, described demist layer 44 is drawer structure, and described activated carbon adsorption layer 42 is drawer structure, can adopt drawer form to change filler.
As shown in Figures 1 to 4, the input flow rate of described spray absorption integrated apparatus 4 is greater than output flow, be the size of charging aperture of described spray absorption integrated box body in the area of the discharging opening of described spray absorption integrated box body, be conducive to form negative pressure, prevent the inside Leakage Gas out.
As shown in Figure 2 to Figure 3, described spray absorption integrated box body is provided with transparent windows 49, and described transparent windows 49 is selected lucite material, for observing the inner case of spray absorption integrated apparatus 4, in order to overhaul of the equipments.
As shown in Figure 4, described UV photodissociation catalytic unit 5 comprises UV photodissociation catalysis casing 51 and is arranged on the UV generating means 52 in described UV photodissociation catalysis casing 51, in described UV generating means 52, be provided with UV fluorescent tube 53, UV is ultraviolet abbreviation, English full name is ultraviolet, ultraviolet wavelength is: 184.9nm, Fig. 4 is only structural representation, concrete equipment size, the quantity of UV fluorescent tube 53, the number of plies, the number of plies of catalytic purification net is determined according to concrete waste gas actual conditions, as: waste gas tolerance is larger, concentration is higher, by PLC(Programmable Logic Controller, programmable logic controller (PLC)) automatic which floor UV fluorescent tube 53 of opening more, the quantity of every layer of UV fluorescent tube 53 is when design, also can regulate increase and decrease, every layer of corresponding one deck TiO of UV fluorescent tube 53
2catalytic purification net (Titanium Dioxide purifying net).
The utility model also provides a kind of processing method of odorant pollutant waste gas, comprises the following steps:
A, by gas skirt 1 collect and import need odorant pollutant waste gas to be processed;
B, the spray equipment adsorbing in integrated apparatus 4 by spray spray odorant pollutant waste gas, then the activated carbon adsorption layer 42 adsorbing in integrated apparatus 4 by spray adsorbs odorant pollutant waste gas;
C, by UV photodissociation catalytic unit 5 photodissociation catalysis odorant pollutant waste gas.
As further improvement of the utility model, step B comprises following sub-step:
B1, by spray, adsorb the inlet guide fluid layer 48 water conservancy diversion odorant pollutant waste gas in integrated apparatus 4;
B2, the spray equipment adsorbing in integrated apparatus 4 by spray spray odorant pollutant waste gas;
B3, by spray, adsorb packing layer 45 in integrated apparatus 4 and increase the contact area of water and odorant pollutant waste gas;
B4, the demist layer 44 adsorbing in integrated apparatus 4 by spray are removed the aqueous vapor in odorant pollutant waste gas;
B5, the water fender 43 adsorbing in integrated apparatus 4 by spray prevent that water from flowing into activated carbon adsorption layer;
B6, the activated carbon adsorption layer 42 adsorbing in integrated apparatus 4 by spray adsorb odorant pollutant waste gas.
As shown in Figures 1 to 4, the input flow rate of described spray absorption integrated apparatus 4 is greater than output flow.
The one that the utility model provides can efficiently be removed odorant pollutant waste gas, strong adaptability, treating capacity is large, non-secondary pollution, equipment investment is little, operating cost is low, treatment facility and the processing method of the odorant pollutant waste gas that equipment volume is little, by spray, adsorbing integrated apparatus 4 processes odorant pollutant waste gas, first utilize spray equipment to remove the dust granules thing in odorant pollutant waste gas, and reduce the temperature of waste gas, avoid the impact on follow-up charcoal absorption and UV photodissociation catalytic treatment of dust granules thing and high temperature, utilize the liquid mist spraying to absorb odorant pollutant simultaneously, further utilize activated carbon adsorption layer 42 to adsorb the odorant pollutant in waste gas, these spray absorption integrated apparatus 4 front ends are spray equipment, rear end is activated carbon adsorption layer 42, front end spray equipment belongs to Continuous Contact formula gas-liquid mass transfer (contact) equipment, two phase compositions change along flowing to continuously, wherein, gas phase is continuous phase, liquid phase is decentralized photo, mass transfer apparatus using the packing layer 45 in spray equipment as gas-liquid two-phase Contact member, increase gas phase, liquid phase contact area, and extend the time of staying, by gas-liquid two-phase close contact, carry out mass transfer, reach dedusting, cooling, remove the object of odorant pollutant, the rear end of spray equipment is provided with demist layer 44, in order to remove the moisture in waste gas, avoid the impact of moisture on subsequent treatment, spray absorption integrated apparatus 4 rear ends further utilize activated carbon adsorption layer 42 adsorbent equipments to carry out purified treatment to odorant pollutant waste gas, active carbon is a kind of porous carbon containing matter, it has highly developed hole structure, the loose structure of active carbon provides a large amount of surface areas for it, can fully contact with gas, thereby given active carbon peculiar absorption property, make it be very easy to reach the object that absorbs pollutant, as magnetic force, between all molecules, all there is attractive interaction, Just because of this, a large amount of molecule on active carbon hole wall can produce powerful gravitation, thereby reach, harmful material is attracted to the object in aperture.
The utility model further carries out cracking purified treatment by UV photodissociation catalytic unit 5 to remaining odorant pollutant in waste gas, to guarantee complete qualified discharge: the interior UV fluorescent tube 53 of UV photodissociation catalytic unit 5 produces high-intensity ultraviolet odorant pollutant waste gas is irradiated, the molecular chain structure of odorant pollutant fracture under the effect of high-intensity ultraviolet, make macromolecular substances be cracked into small-molecule substance (most of is harmless odorless micromolecular compound), high energy ultraviolet beam simultaneously, make to produce in air a large amount of free electrons, these electronics major parts can be obtained by oxygen, form negative oxygen ion O
3 -, have part negative oxygen ion can lose an electronics and ozonize O
3, meanwhile, high intensity ultraviolet Line beam and photochemical catalyst nano-TiO
2effect produces hydroxyl radical free radical OH, and hydroxyl radical free radical OH is one of oxidant of tool activity, and oxidability, apparently higher than ordinary oxygen agent, is reacted with odorant pollutant, and mineralization degree is higher, O
3, O
3 -, OH isoreactivity oxygen oxidisability is very strong, can oxidation of organic compounds and inorganic matter, to main odorant pollutant: ammonia, trimethylamine, hydrogen sulfide, methyl mercaptan, methyl sulfide, methyl disulfide, carbon disulfide, styrene etc., can there is oxidation reaction, these active oxygens intermediate product that further the part pollutant to escape not processed in gas, part generate carries out complete oxidation purified treatment, thereby makes contaminant molecule finally be degraded to the harmless odorless compound of little molecule or complete oxidation mineralising is CO
2and H
2o, avoided independent employing UV photodissociation to process, there is the intermediate product that part pollutant is escaped and part generates not processed, decompose incomplete halfway defect, treatment facility and the processing method resolution process of a kind of odorant pollutant waste gas that the utility model provides are thorough, purified treatment efficiency is high, has reduced the pollution of odorant pollutant waste gas to environment and the harm of health.
Treatment facility and the processing method of a kind of odorant pollutant waste gas that the utility model provides have the following advantages:
1, equipment can every days 24 continuous throughout the twenty-four hour24, and stable and reliable operation.
2, energy consumption is low, operating cost is low: can be at room temperature and catalyst reaction, without heating, greatly saved the energy, cleaning equipment is without any mechanical action, noiselessness, without personal management and regular maintenance, only need to make regular check on, cleaning equipment energy consumption is low, and cleaning equipment windage is extremely low, be generally less than 600pa, can save a large amount of air draft power consumptions.
3, easy-to-use: during design, can to regulate according to air quantity variation and field condition.
4, waste gas is without pretreatment: odorant pollutant waste gas is without carrying out special pretreatment, as heats etc.
5, occupation area of equipment is little, from heavy and light: be suitable for the special occasions such as characteristics of compact layout, narrow field.
6, be applicable to process the waste gas of various concentration, various air quantity, be particularly suited for processing the gas of scent of and low concentration Wind Volume; Cleaning equipment automation controllable degree is high, adopt PLC automatically to control, can to purification apparatus power output and purification efficiency, carry out auto-control according to odorant pollutant toxic emission composition, concentration, tolerance, as increased or reduce the number of plies of packing layer 45 and thickness, the number of plies and the thickness of activated carbon adsorption layer 42, the quantity that automatically regulates the spouting liquid of shower nozzle 47, automatically opens the high energy UV fluorescent tube 53 of different radicals, both reached waste gas best purification treatment effect, greatly reduce again energy consumption, realize the doulbe-sides' victory of environmental benefit, economic benefit.
7, do not produce radiation.
8, poisonous and harmful substance in the thorough absorption and sorption of energy, cracking, oxidation processes odorant pollutant waste gas, does not produce accessory substance, and catalyst strong adaptability, and the accessory substance producing in the UV photolysis of optionally degrading recycle O simultaneously
3, O
3 -, the pollutant of OH isoreactivity oxygen to the not processed escape of part in gas, the intermediate product of generation carry out complete oxidation purified treatment, thereby make contaminant molecule finally be degraded to the harmless odorless compound of little molecule or complete oxidation mineralising is CO
2and H
2o, after odorant pollutant waste gas purification is processed, gas reaches innoxious high standard discharge completely.
Above content is in conjunction with concrete preferred embodiment further detailed description of the utility model, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, can also make some simple deduction or replace, all should be considered as belonging to protection domain of the present utility model.
Claims (10)
1. the treatment facility of an odorant pollutant waste gas, it is characterized in that: comprise by pipeline and connect and adsorb integrated apparatus and UV photodissociation catalytic unit according to the tactic gas skirt of precedence, spray, described spray absorption integrated apparatus comprises spray equipment, activated carbon adsorption layer and spray absorption integrated box body, and described spray equipment, activated carbon adsorption layer are set in sequence in described spray absorption integrated box body according to precedence.
2. the treatment facility of odorant pollutant waste gas according to claim 1, it is characterized in that: in the pipeline between described gas skirt, spray absorption integrated apparatus, be provided with by-pass valve control, the discharge gate of described UV photodissociation catalytic unit is connected with centrifugal blower by pipeline, and the discharge gate of described centrifugal blower is connected with discharge drum.
3. the treatment facility of odorant pollutant waste gas according to claim 1, is characterized in that: between described spray equipment, activated carbon adsorption layer, be provided with the water fender of avoiding water to flow into activated carbon adsorption layer.
4. the treatment facility of odorant pollutant waste gas according to claim 1, it is characterized in that: described spray equipment comprises shower nozzle, the water pump being connected with described shower nozzle and the water tank being connected with described water pump, between described shower nozzle, activated carbon adsorption layer, is provided with packing layer.
5. the treatment facility of odorant pollutant waste gas according to claim 4, is characterized in that: between described packing layer, activated carbon adsorption layer, be provided with demist layer.
6. the treatment facility of odorant pollutant waste gas according to claim 5, it is characterized in that: described spray absorption integrated box body is provided with the packing layer charging aperture and the packing layer discharging opening that are connected with described packing layer, described spray absorption integrated box body is provided with the demist layer charging aperture and the demist layer discharging opening that are connected with described demist layer, and described spray absorption integrated box body is provided with the activated carbon adsorption layer charging aperture and the activated carbon adsorption layer discharging opening that are connected with described activated carbon adsorption layer.
7. the treatment facility of odorant pollutant waste gas according to claim 5, it is characterized in that: between the charging aperture of described spray absorption integrated box body, spray equipment, be provided with inlet guide fluid layer, described packing layer is drawer structure, described demist layer is drawer structure, and described activated carbon adsorption layer is drawer structure.
8. the treatment facility of odorant pollutant waste gas according to claim 1, is characterized in that: the input flow rate of described spray absorption integrated apparatus is greater than output flow.
9. the treatment facility of odorant pollutant waste gas according to claim 1, is characterized in that: described spray absorption integrated box body is provided with transparent windows.
10. the treatment facility of odorant pollutant waste gas according to claim 1, it is characterized in that: described UV photodissociation catalytic unit comprises UV photodissociation catalysis casing and is arranged on the UV generating means in described UV photodissociation catalysis casing, in described UV generating means, is provided with UV fluorescent tube.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320431101.5U CN203540330U (en) | 2013-07-19 | 2013-07-19 | Treatment device of odor pollutant waste gas |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320431101.5U CN203540330U (en) | 2013-07-19 | 2013-07-19 | Treatment device of odor pollutant waste gas |
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| CN203540330U true CN203540330U (en) | 2014-04-16 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103341318A (en) * | 2013-07-19 | 2013-10-09 | 深圳市科德环保科技有限公司 | Treatment equipment and treatment method for odour pollutant waste gas |
| CN104689712A (en) * | 2015-02-12 | 2015-06-10 | 杨阳 | Tubular modularized waste gas purification treatment device |
| CN106512685A (en) * | 2015-09-14 | 2017-03-22 | 杭州中兵环保股份有限公司 | Rubber exhaust gas purifying device and method |
| CN110270193A (en) * | 2018-03-15 | 2019-09-24 | 苏州迈沃环保工程有限公司 | A kind of VOCs exhaust gas deep-purifying method and system |
| CN115945062A (en) * | 2023-02-08 | 2023-04-11 | 安道麦安邦(江苏)有限公司 | Waste gas treatment method and system in process of producing clethodim emulsifiable concentrate |
-
2013
- 2013-07-19 CN CN201320431101.5U patent/CN203540330U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103341318A (en) * | 2013-07-19 | 2013-10-09 | 深圳市科德环保科技有限公司 | Treatment equipment and treatment method for odour pollutant waste gas |
| CN104689712A (en) * | 2015-02-12 | 2015-06-10 | 杨阳 | Tubular modularized waste gas purification treatment device |
| CN106512685A (en) * | 2015-09-14 | 2017-03-22 | 杭州中兵环保股份有限公司 | Rubber exhaust gas purifying device and method |
| CN110270193A (en) * | 2018-03-15 | 2019-09-24 | 苏州迈沃环保工程有限公司 | A kind of VOCs exhaust gas deep-purifying method and system |
| CN115945062A (en) * | 2023-02-08 | 2023-04-11 | 安道麦安邦(江苏)有限公司 | Waste gas treatment method and system in process of producing clethodim emulsifiable concentrate |
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