CN207270973U - A kind of processing unit of volatile organic contaminant - Google Patents

A kind of processing unit of volatile organic contaminant Download PDF

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Publication number
CN207270973U
CN207270973U CN201721171403.8U CN201721171403U CN207270973U CN 207270973 U CN207270973 U CN 207270973U CN 201721171403 U CN201721171403 U CN 201721171403U CN 207270973 U CN207270973 U CN 207270973U
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air inlet
activated carbon
desorption
spray
volatile organic
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CN201721171403.8U
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唐海江
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SHENZHEN KEDE ENVIRONMENTAL TECHNOLOGY Co Ltd
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SHENZHEN KEDE ENVIRONMENTAL TECHNOLOGY Co Ltd
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Abstract

The utility model provides a kind of processing unit of volatile organic contaminant, including UV coating clouds separation eliminating equipment, spray and cyclone dust removal integrated apparatus, spiral board and integrated fillers spray equipment, dry filter, activated carbon adsorption concentration and catalysis burning desorption and regeneration device and blowdown stack, wherein, the exhaust outlet of the UV coating clouds separation eliminating equipment is connected with the spray with the air inlet of cyclone dust removal integrated apparatus, and the spray is connected with the exhaust outlet of cyclone dust removal integrated apparatus with the spiral board with the air inlet of integrated fillers spray equipment.The beneficial effects of the utility model are:The volatile organic contaminant exhaust gas of energy efficient process paint industry (Wind Volume, low concentration, coating cloud particulate matter are more), Wind Volume, low concentration gas can be converted into high concentration, small air quantity exhaust gas, investment is reduced to reach, save the purposes such as energy consumption, operating cost is low.

Description

A kind of processing unit of volatile organic contaminant
Technical field
It the utility model is related to emission-control equipment, more particularly to a kind of processing unit of volatile organic contaminant.
Background technology
VOCs (volatile organic compounds), that is, volatile organic matter, it refers to a kind of normal The lower saturated vapor pressure of temperature is more than the organic compound that boiling point under 70 Pa, normal pressure is not higher than 260 DEG C.From the perspective of environmentology The gaseous organic substance for being to cause environmental pollution that VOCs refers to.The harm of VOCs mainly has two kinds, and one kind is directly to endanger Evil, meeting stimulating human and animal breath system, cause respiratory disease, and number of types of VOCs has carcinogenic, cause Abnormal, mutagenic effect;Another kind is secondary harm, and VOCs can trigger some photochemical reactions in atmosphere, cause haze with And the disaster such as photochemical fog.
With the continuous development and social progress of China's economy, more and more industrial goods become the required of people's life Product.And during manufactured goods external process, lacquering technologies are a kind of normal methods.However, due to lacquer spraying technique with And relevant raw produce inevitably produces substantial amounts of volatile organic matter during specific processing.Such a dirt If contaminating thing without effective disposal, can be discharged into environment in a manner of uncontrollable discharge can be to natural environment and periphery phase The health of pass personnel causes serious influence.Coating cloud particulate matter, Organic Waste Gas Pollution are mainly produced during paint spraying. Paint is atomized into particulate under high pressure effect, and in spraying, part paint does not reach object being painted surface, is formed with air-flow disperse Coating cloud particulate matter.Diluent (organic solvent) is for diluting paint, achieving the purpose that to paint thing surface smooth and beautiful appearance.It is organic molten Agent is volatile, gradually will evaporate to form organic exhaust gas in spray painting, dry process.For this reason, the research one for VOCs disposal It is directly the hot issue of environmental science, and the scientific research in following one period.But due to its existing material It is relative complex, migration is relatively preferable, therefore at this stage do not have an academia approve with practical application production link Standard method of disposal, adaptability construction is more carried out according to specific pollutant type and its total amount.
The means for administering volatile organic contaminant exhaust gas international and domestic at present mainly use:Condensation method, absorption process, absorption Method, combustion method, bioanalysis etc., they are high there are equipment investment to varying degrees, and operating cost is high, and processing is narrow-minded, work Unstable, occupied space is big, and treatment effeciency is not high, and there are the problems such as secondary pollution etc..
(1)Condensation method, the method are suitable for the exhaust-gas treatment that concentration is high, temperature is low, air quantity is small.But this measure investment is big, energy Consumption is high, operating cost is big, therefore for " triphen " pollution control in spraying operation, does not use this method generally, and lacquer spraying waste gas has There is the features such as air quantity is big, concentration is low, coating cloud is more, before condensation process is entered, it is necessary to design corresponding pretreating process(Remove Coating cloud particulate matter), not so can block condenser.
(2)Absorption process, there are absorption efficiency is high, mist of oil entrainment phenomenon for this method practical application, it is difficult to reaches Discharging standards, and there is secondary pollution, and also lacquer spraying waste gas belongs to organic exhaust gas, and main component is " three Benzene ", general not soluble in water, treatment effeciency is very low.
(3)Absorption method, this method are suitable for the exhaust-gas treatment that concentration is low, pollutant is not required to recycling.Activated carbon hot recycling method It is current using most, industrial most ripe regeneration method of active carbon, high-temperature steam can be used by used activated carbon Impurity is desorbed, and it is recovered original activity, to achieve the purpose that reuse.Lacquer spraying waste gas has that air quantity is big, concentration Low, the features such as coating cloud is more, so individually absorption method technique is not particularly suited for processing lacquer spraying waste gas, if not configuring regeneration dress Put, then activated carbon needs to regularly replace, and operating cost is very high, and must also carry out the pretreatment of coating cloud particulate matter, to prevent coating cloud Grain thing blocks activated carbon.
(4)Combustion method, the method energy consumption is low, purifying rate high (95%~97%), non-secondary pollution, technique simple operations side Just, suitable for high temperature, high concentration, small air quantity VOCs treatment, be not suitable for low concentration, the organic exhaust gas of Wind Volume is controlled Reason, and " triphen " concentration in lacquer spraying waste gas is generally below 300-400mg/m3 or so, belongs to the exhaust gas of Wind Volume, low concentration Type, thus it is all improper using direct combustion method, Production by Catalytic Combustion Process processing, and contain many coating cloud particles in lacquer spraying waste gas Thing, it is necessary to carry out pretreatment, if being directly entered burner, catalyst poisoning can be made and produce the risk of explosion.
(5)Bioanalysis, wherein biofiltration process preferably handle volatile organic compounds (VOCs) large-minded, that concentration is low, Suitable for the occasion that VOCs fluctuation of concentrations are larger;Zinc cation method mainly preferably handles that narrow-minded, concentration is high, readily soluble, biological metabolism The relatively low VOCs of speed;Biological island preferably handles that large-minded, concentration is low, and the VOCs of acid is produced in degradation process, should not be handled Entrance concentration is high and tolerance fluctuates big VOCs.But bioanalysis need to rely on microorganism and degrade to organic matter, and microorganism is to life Dis environment requirement is harsher, harsher to exhaust gas constituents requirement, makes the deactivated component of microorganism when containing in exhaust gas When(Such as the coating cloud particulate matter in lacquer spraying waste gas), this method cannot be used, and lacquer spraying waste gas belongs to Wind Volume, low concentration Types of exhaust gases, therefore during using bioanalysis, occupation area of equipment is big, and investment is high, and needs constantly to provide nutritional agents to microorganism, Operating cost is also very high.
The content of the invention
In order to solve the problems of the prior art, the utility model provides a kind of processing dress of volatile organic contaminant Put, the volatile organic contaminant exhaust gas of energy efficient process paint industry (Wind Volume, low concentration, coating cloud particulate matter are more).
The utility model provides a kind of processing unit of volatile organic contaminant, including UV coating clouds are separated to remove and set Standby, spray and cyclone dust removal integrated apparatus, spiral board and integrated fillers spray equipment, dry filter, activated carbon adsorption Concentration and catalysis burning desorption and regeneration device and blowdown stack, wherein, the exhaust outlet of the UV coating clouds separation eliminating equipment and institute The air inlet that spray is stated with cyclone dust removal integrated apparatus is connected, the spray and the exhaust outlet of cyclone dust removal integrated apparatus with The spiral board is connected with the air inlet of integrated fillers spray equipment, the row of the spiral board and integrated fillers spray equipment Gas port is connected with the air inlet of the dry filter, the exhaust outlet of the dry filter and the activated carbon adsorption concentrate and The air inlet connection of catalysis burning desorption and regeneration device, the row of activated carbon adsorption concentration and catalysis the burning desorption and regeneration device Gas port is connected with the first air inlet of the blowdown stack.
As further improvement of the utility model, the spray and the exhaust outlet of cyclone dust removal integrated apparatus with it is described Preposition wind turbine is connected between the air inlet of spiral board and integrated fillers spray equipment.
As further improvement of the utility model, activated carbon adsorption concentration and catalysis the burning desorption and regeneration device bag Activated carbon tower and catalytic combustion unit are included, the air inlet of the activated carbon tower and the exhaust outlet of the dry filter pass through absorption System pipeline connects, and the activated carbon tower is connected as desorption and regeneration with the catalytic combustion unit by desorption and regeneration system pipeline Circulation closure wind path.
As further improvement of the utility model, the catalytic combustion unit include catalytic combustion device, flow mixing device and Wind turbine is desorbed, the air inlet of the catalytic combustion device is connected with the gas outlet of the activated carbon tower, the catalytic combustion device Exhaust outlet be connected with the air inlet of the flow mixing device, the exhaust outlet of the flow mixing device with it is described desorption wind turbine air inlet connect Connect, the second air inlet with the blowdown stack, the air inlet of activated carbon tower are connected the exhaust outlet of the desorption wind turbine respectively, institute State and be connected with the first normally closed temperature adjustment air-valve between the exhaust outlet of desorption wind turbine and the second air inlet of the blowdown stack.
As further improvement of the utility model, air inlet, the exhaust outlet of the catalytic combustion device are respectively equipped with Two temperature adjustment air-valves.
As further improvement of the utility model, the air inlet of the activated carbon tower, gas outlet are equipped with adsorption system Air-valve and desorption and regeneration system air-valve.
As further improvement of the utility model, the activated carbon tower is connected with nitrogen-making device.
As further improvement of the utility model, the first air inlet of the blowdown stack is equipped with absorption wind turbine.
As further improvement of the utility model, the air inlet of the UV coating clouds separation eliminating equipment is equipped with two commutations Air-valve.
As further improvement of the utility model, the spray includes cyclone dust removal with cyclone dust removal integrated apparatus Device, the cyclone dust collectors are interior to be equipped with spraying layer.
The beneficial effects of the utility model are:Through the above scheme, can efficient process paint industry (Wind Volume, low concentration, Coating cloud particulate matter is more) volatile organic contaminant exhaust gas, Wind Volume, low concentration gas can be converted into high concentration, small wind Exhaust gas is measured, investment is reduced to reach, saves the purposes such as energy consumption, operating cost is low.
Brief description of the drawings
Fig. 1 is a kind of front view of the processing unit of volatile organic contaminant of the utility model.
Fig. 2 is a kind of top view of the processing unit of volatile organic contaminant of the utility model.
Fig. 3 is a kind of side view of the processing unit of volatile organic contaminant of the utility model.
Fig. 4 is a kind of showing for the UV coating clouds separation eliminating equipment of processing unit of volatile organic contaminant of the utility model It is intended to.
Embodiment
The utility model is described in further detail for explanation and embodiment below in conjunction with the accompanying drawings.
As shown in Figure 1 to Figure 3, a kind of processing unit of volatile organic contaminant, including the total electric control box 16 of device, UV coating clouds separation eliminating equipment 24, spray and cyclone dust removal integrated apparatus 1, spiral board and integrated fillers spray equipment 3, do Formula filter 4, activated carbon adsorption concentration and catalysis burning desorption and regeneration device and blowdown stack 13, wherein, the UV coating clouds point Exhaust outlet from eliminating equipment 24 is connected with the spray with the air inlet of cyclone dust removal integrated apparatus 1, the spray and rotation The exhaust outlet of wind dust removal integrated plant 1 is connected with the spiral board with the air inlet of integrated fillers spray equipment 3, the rotation Flowing plate is connected with the exhaust outlet of integrated fillers spray equipment 3 with the air inlet of the dry filter 4, the dry filter The air inlet that 4 exhaust outlet concentrated and be catalyzed burning desorption and regeneration device with the activated carbon adsorption is connected, and the activated carbon is inhaled The exhaust outlet of attached concentration and catalysis burning desorption and regeneration device is by adsorbing the first air inlet of wind turbine 11 and the blowdown stack 13 Mouth connection, activated carbon adsorption concentration and catalysis the burning desorption and regeneration device is to being connected to maintenance platform 5, the dry filter 4 are equipped with door 22.
As shown in Figure 1 to Figure 3, it is described to spray with the exhaust outlet of cyclone dust removal integrated apparatus 1 with the spiral board with filling out Preposition wind turbine 2 is connected between the air inlet of package integral spray equipment 3.
As shown in Figure 1 to Figure 3, activated carbon adsorption concentration and catalysis the burning desorption and regeneration device includes activated carbon tower 6 And catalytic combustion unit, activated carbon adsorption concentration and catalysis burning desorption and regeneration device include two systems wind path, one is to inhale Attached system wind path(Adsorbed state), the other is desorption and regeneration circulation closure wind path(Desorption and regeneration state), such as Fig. 1 to Fig. 3 institutes Show there are three activated carbon towers 6, there are two activated carbon towers 6 to be in adsorbed state, another activated carbon tower 6 is in desorption and regeneration shape State, three 6 cycle alternations of activated carbon tower use, and so on, four, five and above activated carbon tower can be increased to, no matter it is several A activated carbon tower 6, has an activated carbon tower 6 to be in desorption and regeneration state, other activated carbon towers 6 are in adsorbed state, the above Pattern is that adsorption and desorption is carried out at the same time, i.e., online desorption and regeneration, suitable for 24 it is small when continuous production(I.e. continuous spray painting operation, Remain that activated carbon replaces switching between absorption and desorption), also have one mode, adsorption and desorption is not carried out at the same time, i.e., from Line desorption and regeneration, it is shorter suitable for the production time(As one day 8 it is small when, one day spray painting operation 8 it is small when, then can not spray When painting operation, the desorption and regeneration of activated carbon is carried out, an activated carbon tower can be saved at this time, equipment investment is reduced, mitigates The difficulty and reduction floor space of electrical control), the air inlet of the activated carbon tower 6 under adsorbed state, gas outlet(Lacquer spraying waste gas Air inlet, gas outlet), air inlet, gas outlet with the activated carbon tower 6 under desorption and regeneration state(Be desorbed high-temperature gas into Gas port, gas outlet)Can be the same, can also in turn, depending on specific installation space, desorption and regeneration system pipeline and activity How charcoal tower 6 connects, and forms desorption and regeneration circulation closure wind path.The air inlet of the activated carbon tower 6 and the dry filter 4 Exhaust outlet connected by adsorption system pipeline 7, the activated carbon tower 6 and the catalytic combustion unit pass through desorption and regeneration system Pipeline 8 is connected as desorption and regeneration circulation closure wind path, and the activated carbon tower 6 is equipped with door 23.
As shown in Figure 1 to Figure 3, the catalytic combustion unit includes catalytic combustion device 17, flow mixing device 15 and desorption wind turbine 14, the gas outlet of the air inlet of the catalytic combustion device 17 and the activated carbon tower 6(Desorption and regeneration circulation closure wind path)Even Connect, the exhaust outlet of the catalytic combustion device 17 is connected with the air inlet of the flow mixing device 15, the exhaust outlet of the flow mixing device 15 With it is described desorption wind turbine 14 air inlet be connected, it is described be desorbed wind turbine 14 exhaust outlet respectively with the blowdown stack 13 second The air inlet of air inlet, activated carbon tower 6(Desorption and regeneration circulation closure wind path)Connection, the exhaust outlet of the desorption wind turbine 14 and institute State and be connected with the first normally closed temperature adjustment air-valve between the second air inlet of blowdown stack 13, for temperature adjustment, the temperature Adjusting air valve is typically in closed mode, when thermo-field thoery, can automatically open up, high-temperature gas is drained, to ensure safety.
As shown in Figure 1 to Figure 3, air inlet, the exhaust outlet of the catalytic combustion device 17 are respectively equipped with second temperature adjusting Air-valve 18.
As shown in Figure 1 to Figure 3, the air inlet of the activated carbon tower 6, gas outlet are equipped with adsorption system air-valve 9 and desorption Regenerative system air-valve 10.
As shown in Figure 1 to Figure 3, the activated carbon tower 6 is connected with nitrogen-making device 19, and the nitrogen-making device 19 includes nitrogen making machine Group and storage tank, the nitrogen-making device 19 are connected with the electric cabinet 21 of nitrogen making machine group.
As shown in Figure 1, the first air inlet of the blowdown stack 13(That is front end)Equipped with absorption wind turbine 11, the discharge cigarette Chimney 13 is to being connected to detection platform and cat ladder 12.
As shown in Figures 1 to 4, the air inlet of the UV coating clouds separation eliminating equipment 24 is equipped with two commutation air-valves 242.
As shown in Figure 1 to Figure 3, the spray includes cyclone dust collectors with cyclone dust removal integrated apparatus 1, and the whirlwind removes Spraying layer is equipped with dirt device.
A kind of operation principle of the processing unit of volatile organic contaminant provided by the utility model is:
1. exhaust gas is first through UV coating clouds separation eliminating equipment 24, (first order pre-processes), enter back into spray and cyclone dust removal one Makeup puts 1(The second level pre-processes), subsequently into spiral board and integrated fillers spray equipment 3(The third level pre-processes), then into Enter dry filter 4(The fourth stage pre-processes), then enter back into activated carbon adsorption concentration and catalysis burning desorption and regeneration device, place Qualified discharge after reason, and desorption and regeneration is carried out to activated carbon using catalytic combustion device 17 when activated carbon adsorption saturation.
2. exhaust gas initially enters UV coating clouds separation eliminating equipment 24 and carries out first order pretreatment, since lacquer spraying waste gas component is answered It is miscellaneous, UV paints are sprayed sometimes, spray PU paints sometimes, so the air inlet in UV coating clouds separation eliminating equipment 24 sets two commutation air-valves 242(Switch air-valve), as shown in figure 4, using other paint kind of site operation of spraying(Such as PU is painted)In the case of spray station worker without UV coating clouds separation eliminating equipment 24 need to be started, need to only switch two commutation air-valves 242 and arrive by-pass line, exhaust gas can be from UV coating clouds point By-pass line direction from the bottom of eliminating equipment 24 leads directly to gas sampling discharge manifold;The Spray Painter in the case of spraying UV paints The worker of position clicks the start button of UV coating clouds separation eliminating equipment 24, two commutation air-valves 242(Switch air-valve)Can be automatic Off-gas flows are switched to UV centrifugal wheels direction by work by bypassing direction(That is air inlet direction)Centrifugal wheel rotates automatically at the same time, opens Begin to catch the UV coating clouds in gas, subsequent processing device and facility are blocked with uv blocking coating cloud, filler is such as blocked, blocks activated carbon Deng.
UV coating clouds separation eliminating equipment 24 operation principle be:Centrifugal force is produced in the case of centrifugal wheel high-speed rotation, UV coating clouds form tiny " droplet " shape particle again by centrifugal force by the cover of small particles " getting rid of " to centrifugal wheel after being caught by centrifugal wheel On bucket, other paint kind of site operation(Such as PU is painted)In the case of separating eliminating equipment using UV coating clouds centrifugal wheel can only glue dead until damage It is bad.
3. exhaust gas carries out two level pretreatment subsequently into spray and cyclone dust removal integrated apparatus 1, particulate matter is removed, and inhale The water miscible volatile organic contaminant of receiving portions, then enters back into spiral board and carries out three-level with integrated fillers spray equipment 3 Pretreatment, removes the particulate matter of not processed escape, and further absorbs the volatile organic contaminant of part aqueous, Then enter back into dry filter 4 carry out level Four pretreatment, further remove it is not processed, escape particulate matter, to prevent Grain thing blocks activated carbon below, then enters back into activated carbon adsorption concentration and catalysis burning desorption and regeneration equipment, exhaust gas is through work Property charcoal absorption after qualified discharge, and activated carbon is desorbed again using catalytic combustion system when activated carbon adsorption saturation It is raw.
4. when dusty gas tangentially enters spray and cyclone dust removal one with the speed of 12~20 meter per seconds by upper end air inlet After 1 outer barrel is put in makeup, rotary motion is formed, due to the limitation of inside and outside cylinder and head cover, air-flow forms one in period from upper Contour stealth (it belongs to semi-free vortex) under and, solid particle loses since inertia force is largely thrown toward barrel in rotary course Energy is slided along wall, enters storage hopper through mouth under cone(Spray liquid by bottom discharge pipe also through here, being flowed in water tank), finally by Discharge bottom(Due to adding spraying layer, ash discharge form of the utility model to traditional cyclone dust collectors is improved, tradition Cyclone dust collectors are that ash-valve is equipped with the bottom of deduster, and the utility model will spray and cyclone dust removal integrated apparatus 3 Bottom is closed, and sets drainpipe in bottom, and water and particulate matter are drained into inside water tank together by drainpipe)To water Case.The outer rotational gas flow that rotation declines is drawn close in tapered segment with the contraction of circular cone to dust-precipitator center, and swirling eddy enters row Tracheae radius is nearby just begun to ramp up, and forms one inward eddy from bottom to top, also referred to as core flow (it belongs to forced vortex), The most exhaust pipe discharge through upper end afterwards.
5. spiral board is a kind of Wet-type spray absorption cleaning equipment with integrated fillers spray equipment 3, eddy flow is housed in tower Column plate, nozzle, packing layer, demisting layer.Spiral board in integrated fillers spray equipment with having sufficient gas-liquid contact condition.Rotation Flowing plate is that gas-liquid contact is abundant with the advantages of integrated fillers spray equipment 3, and resistance is small, and coating cloud particulate matter removal efficiencies are high, energy It is enough effectively to remove that macromolecular, volatility be low, water miscible volatile organic compounds., can by adding coating cloud flocculant To strengthen the removal ability to coating cloud and organic compound.In spiral board and 3 radial direction blast pipe of integrated fillers spray equipment Equipped with first order spray equipment, gas-liquid is come into full contact with after first order spray equipment, then air-flow by spiral board with filling out The middle and lower part of package integral spray equipment uniformly rises, and sequentially passes through the high density spray washing reaction of two level spray equipment formation Area, exhaust gas produce substantial amounts of liquid foam uniformly across the uniformly distributed moisture film in gas-liquid distribution core apparatus surface, are exhaust gas and recirculated water It is sufficiently mixed and provides huge contact area so that gas-liquid two-phase carries out fully mass transfer and heat transfer, passes through washing and physics Chemical reaction, achievees the purpose that high-effective dust-removing, except coating cloud and taste removal.Put in spiral board and the top of integrated fillers spray equipment 3 There is demisting dehydration device, the exhaust gas after contact absorbs continues to rise in tower, successively by folded plate dehydration device, by not Same velocity gradient control and folded plate to carrying out high-efficiency dehydration containing wet exhaust gas, can substantially reduce useless the efficient absorption of droplet Water capacity in gas, avoids influencing the clean-up effect of equipment for after-treatment since exhaust gas moisture content is high, by the useless of dehydrating demisting Gas is discharged by spiral board and the top of integrated fillers spray equipment 3, and the spiral board number of plies, the spraying layer number of plies, the packing layer number of plies, Number etc. can accordingly be adjusted demisting according to actual conditions layer by layer.
6. present treatment device sets dry filter behind spiral board and integrated fillers spray equipment 3, before activated carbon tower 6 Device 4, loads filter cotton, filter bag, it is therefore intended that level Four purification pretreatment(It is above three-level purification pretreatment)In exhaust gas constituents The solid particulate matters such as the coating clouds such as UV coating clouds, PU or colloidal substance, while stop that water mist enters activated carbon tower 6, with protection activity charcoal The activated carbon loaded in tower 6.The effect that dry filter 4 has dehydration, further dehumidifies at the same time.By the dry filter 4 The coating cloud particle content in exhaust gas can be reduced to below 1mg/m3 later, into equipment for after-treatment after it will not be caused Big influence.Prevent the residual dust in processed gas from entering activated carbon adsorption concentration and catalysis burning desorption and regeneration dress Put, through dry dust removal filtering technique, to ensure the source of the gas cleanliness factor of absorption processing system, dry filter uses two stage treatment, To reduce the activated carbon replacement cycle, equipment operating cost is reduced.Dry filter 4 is also known as filter collector, is by porous Filter medium(Filtrate)Separation catches solid, the purifier of liquid particle in gas.Dusty gas enters dry filter Afterwards, by filter material layer, dust filtering is adhered to the windward side of filtrate, enters lower one for the treatment of process by filtrate leeward escaping gas Or discharge.As dust filtering process constantly carries out, the dust that filter material surface traps is more and more thicker, and the increase of dust layer resistance, works as resistance When power reaches certain value, replacement processing need to be made to filtrate.Filtrate mainly is filter cotton and filter bag etc., or other forms Combination, depending on actual conditions.
7. the exhaust gas after preprocessed, which enters activated carbon adsorption, concentrates and is catalyzed burning desorption and regeneration device.Activated carbon is inhaled Attached concentration and catalysis burning desorption and regeneration device is according to absorption(It is efficient)Burn with catalysis(It is energy saving)Two basic principles are set Meter.Effect of the exhaust gas containing organic matter through wind turbine, through activated carbon adsorption layer, utilizes the big suction of the more micropore specific areas of activated carbon In activated carbon capillary, clean gas is discharged for attached ability good general organic substance absorption;After a period of time, activated carbon reaches saturation During state, stop absorption, organic matter has been concentrated in activated carbon at this time.Catalysis burning is recycled to carry out saturated activity charcoal Desorption and regeneration, puts back into.Heating chamber is set in catalytic combustion device 17, starts heating unit, is circulated into inside, works as heat When source of the gas reaches the boiling point of organic matter, organic matter gasification is evaporated out of activated carbon, is catalytically decomposed into catalyst chamber Water and carbon dioxide, give off energy at the same time.A portion heat is catalyzed burning desorption by gas, gas heat exchange mode to entering Heating by the exhaust gases, another part energy enter back into adsorbent bed desorption, and electric heater unit is stopped substantially at this time, catalysis burning operating Thermal energy is maintained by organic compounds combustion heat release, this cycle of states carries out, until organic matter is completely from activated carbon inside points From, decompose.Activated carbon is regenerated, and organic matter resolves into harmless object discharge.The equipment is continuous using double gas circuits or more gas circuits Work, if two or N number of adsorbent bed are used interchangeably, a catalytic combustor, first by organic exhaust gas activated carbon adsorption, when fast Stop adsorption operations when reaching saturation, then being absorbed organic matter from activated carbon with thermal current makes regenerating active carbon;It is de- The attached organic matter to get off has been concentrated(Concentration improves tens times more originally)And be sent into catalytic combustor be catalytically converted into CO2 and H2O is discharged, and when organic exhaust gas concentration reaches more than 2000mg/m3, organic exhaust gas can be maintained in catalytic bed naturally, without additional Heat, a part of discharge air of tail gas after burning, major part are sent to adsorbent bed, the desorption and regeneration for activated carbon.So may Thermal energy needed for meeting burning and desorption, achievees the purpose that energy saving, and activated carbon after regeneration can be used for adsorb next time;In desorption, Purification run can be carried out with another adsorbent bed, be both suitable for operating continuously, be also suitable for intermittent operation.
8. 6 built-in active carbon layer of activated carbon tower and air distributor, are that whole device master follows with thickening-purification technology organic gas The critical piece of ring, the filling of activated carbon brick type.Exhaust gas enters babinet by being seated in both sides activated carbon adsorption purification, by low suction Attached tower adsorption flow rate improves purification efficiency.Absorption principle:During using porous solid material treatment fluid mixture, in fluid A certain component or some components can be attracted to the surface of solids and concentration is held on, this phenomenon is known as adsorbing.Carrying out gaseous state In pollutant control, processed fluid is gas, is consequently belonging to gas-solid absorption.The gas component adsorbed is known as adsorbate, Porosu solid material is known as adsorbent.
Activated carbon is selected using high-quality anthracite as raw material, shape is cellular, it is mainly characterized in that:With intensity height, ratio Surface area is larger, adsorption capacity is high, adsorption rate is fast, pore structure is flourishing, pore size is between cocoanut active charcoal and wooden work Between property charcoal.
It is in desorption parsing activated carbon 9. catalytic combustion device 17 is the core equipment that organic exhaust gas is finally decomposed to oxidation Thermal energy used provides source during organic matter.The organic exhaust gas of concentration is parsed through heating devices heat built in catalysis burning, then is passed through The action breaks Cheng Shui and carbon dioxide of catalyst, release energy at the same time, energy are replaced by heat-exchange device, for maintained equipment The energy of spontaneous combustion.When catalytic bed temperature reaches 250~300 DEG C, catalysis burning bed starts to react, and is produced using waste gas burning Hot-air recycles, and electrical heating at this time stops, it is not necessary to which external heat, single desorption, general desorption time are left when being 6.5 small The right side, the timing of setting time activated carbon adsorption case, which is automatically switched, to be desorbed, and the ceramic honeycomb body noble metal catalyst of inside filling uses When service life is 8500 small or so.Whole desorption system uses multi-spots temperature control, ensures the stabilization of desorption effect.
10. activated carbon has the function of certain heat absorption, and Self-heat-storage produces spontaneous combustion possibility.Consider to set during system configuration Standby safe and stable operation, configures a nitrogen making machine group, nitrogen making machine group performs desorption program in system according to the volume of adsorption tower After 97% nitrogen injection activated carbon adsorption bed, or equipment operation in activated carbon adsorption bed temperature detecting unit detect it is different Nitrogen is interrupted when often and is injected, injection nitrogen can have the function that fire-retardant, ensure the safe operation of equipment.
11. adsorption system air-valve 9 and desorption and regeneration system air-valve 10 can use pneumatic form, can also use electronic Form, can be installed with homonymy, can also offside installation, specifically depending on installation space.
A kind of processing unit of volatile organic contaminant provided by the utility model has the advantages that:1st, equipment Can daily 24 continuous throughout the twenty-four hour24, and stable and reliable operation.2nd, Wind Volume, low concentration gas are converted into high concentration, small Air quantity exhaust gas, reduces investment, saves the purposes such as energy consumption, operating cost is low to reach:Only warm-up phase needs to heat, once ignition Afterwards, without heating, the energy has greatly been saved, cleaning equipment is without any mechanical action, without personal management and regular maintenance, It need to only inspect periodically, cleaning equipment energy consumption is low, and 3, using new active carbon adsorption material-Alveolate activated carbon, honeycomb briquet There is superior dynamic performance compared with granular.It is particularly well suited for using under Wind Volume.Whole system windage is generally less than 2700pa, can save a large amount of air draft power energy consumptions.4th, it is easy-to-use:During design can according to air quantity change and field condition into Row is adjusted.5th, cleaning equipment automation controllable degree is high, is automatically controlled using PLC, can be discharged according to organic pollution exhaust gas into Point, concentration, tolerance to purification apparatus carry out respective design, such as increase or decrease the number of plies and thickness, the work of spraying filler layer Property charcoal adsorption layer the number of plies and thickness, adjust spouting liquid etc., not only reached exhaust gas best purification treatment effect, but also greatly reduce energy Consumption, realizes the two-win of environmental benefit, economic benefit.6th, radiation is not produced.7th, the device of the utility model can thoroughly be absorbed, inhaled Poisonous and harmful substance in attached, cracking, oxidation processes organic pollution exhaust gas, does not produce accessory substance, and catalyst is adaptable, so that Contaminant molecule is finally degraded to the harmless odorless compound of small molecule or complete oxidation mineralising is CO2 and H2O, organic contamination After the processing of thing waste gas purification, innoxious high standard discharge is fully achieved in gas.8th, adsorbent bed uses drawer type or loading type structure, Convenient filling, be conveniently replaceable.9th, catalytic combustor uses the noble metal catalyst of ceramic honeycomb body, and resistance is small, and activity is high.When having When machine vapour concentration reaches more than 2000mg/m3, spontaneous combustion can be maintained.10th, the active-carbon bed of organic compounds is adsorbed, catalysis can be used Exhaust gas after burning carries out desorption and regeneration, and the gas after desorption send catalytic combustor to be purified again, is not required to external energy, operates Expense is low, and energy-saving effect is notable.11st, whole system is designed to negative-pressure operation pattern, and with gas leakage prevention, equipment is visited equipped with overtemperature Head.12nd, there is back-fire relief dust pelletizing system before and after catalytic combustion system, pressure relief system is equipped with the top of equipment.13rd, it is all provided with inside and outside equipment There is static eliminator, high vacant duct is equipped with lightning arrester.The 14th, Multipoint temperature-control point is set in equipment, while be equipped with automatic alarm system System, works as equipment overtemperature automatic start equipped with overtemperature automatic cooling system.15th, equipment is equipped with wind turbine overload protection, overtemperature prote, prevents Fiery interlock protection.16th, desorption hot-air uses mixed flow new air heat-exchange, and pre- sparkproof enters babinet again.17th, adsorption and desorption mistake 97% nitrogen is injected when overtemperature is met in journey, injecting 97% nitrogen after being desorbed program enters activated carbon adsorption bed, excludes because of activity The security risk that charcoal Self-heat-storage self-sustaining combustion zone comes.During equipment phase down system, nitrogen prophylactic activity charcoal accumulation of heat spontaneous combustion oxygen is filled with Change.
Above content is to combine specific preferred embodiment further detailed description of the utility model, it is impossible to Assert that the specific implementation of the utility model is confined to these explanations.For the ordinary skill of the utility model technical field For personnel, without departing from the concept of the premise utility, some simple deduction or replace can also be made, should all be regarded To belong to the scope of protection of the utility model.

Claims (10)

  1. A kind of 1. processing unit of volatile organic contaminant, it is characterised in that:Including UV coating clouds separation eliminating equipment, spray with Cyclone dust removal integrated apparatus, spiral board and integrated fillers spray equipment, dry filter, activated carbon adsorption concentration and catalysis Burn desorption and regeneration device and blowdown stack, wherein, exhaust outlet and the spray and the rotation of the UV coating clouds separation eliminating equipment The air inlet connection of wind dust removal integrated plant, exhaust outlet and the spiral board of the spray with cyclone dust removal integrated apparatus Be connected with the air inlet of integrated fillers spray equipment, the exhaust outlet of the spiral board and integrated fillers spray equipment with it is described The air inlet connection of dry filter, the exhaust outlet of the dry filter is concentrated with the activated carbon adsorption and catalysis burning is de- The exhaust outlet of the air inlet connection of attached regenerating unit, activated carbon adsorption concentration and catalysis burning desorption and regeneration device with it is described The first air inlet connection of blowdown stack.
  2. 2. the processing unit of volatile organic contaminant according to claim 1, it is characterised in that:The spray and whirlwind It is connected between the exhaust outlet of dust removal integrated plant and the air inlet of the spiral board and integrated fillers spray equipment preposition Wind turbine.
  3. 3. the processing unit of volatile organic contaminant according to claim 1, it is characterised in that:The activated carbon adsorption Concentration and catalysis burning desorption and regeneration device include activated carbon tower and catalytic combustion unit, the air inlet of the activated carbon tower and institute The exhaust outlet for stating dry filter is connected by adsorption system pipeline, and the activated carbon tower passes through de- with the catalytic combustion unit Attached regenerative system pipeline is connected as desorption and regeneration circulation closure wind path.
  4. 4. the processing unit of volatile organic contaminant according to claim 3, it is characterised in that:The catalysis burning is single Member includes catalytic combustion device, flow mixing device and desorption wind turbine, the air inlet of the catalytic combustion device and the activated carbon tower Gas outlet connects, and the exhaust outlet of the catalytic combustion device is connected with the air inlet of the flow mixing device, the exhaust of the flow mixing device Mouth is connected with the air inlet of the desorption wind turbine, exhaust outlet the second air inlet with the blowdown stack respectively of the desorption wind turbine The air inlet connection of mouth, activated carbon tower, connects between the exhaust outlet of the desorption wind turbine and the second air inlet of the blowdown stack It is connected to the first normally closed temperature adjustment air-valve.
  5. 5. the processing unit of volatile organic contaminant according to claim 4, it is characterised in that:The catalysis burning is set Standby air inlet, exhaust outlet are respectively equipped with second temperature adjusting air valve.
  6. 6. the processing unit of volatile organic contaminant according to claim 4, it is characterised in that:The activated carbon tower Air inlet, gas outlet are equipped with adsorption system air-valve and desorption and regeneration system air-valve.
  7. 7. the processing unit of volatile organic contaminant according to claim 4, it is characterised in that:The activated carbon tower connects It is connected to nitrogen-making device.
  8. 8. the processing unit of volatile organic contaminant according to claim 1, it is characterised in that:The blowdown stack First air inlet is equipped with absorption wind turbine.
  9. 9. the processing unit of volatile organic contaminant according to claim 1, it is characterised in that:The UV coating clouds separation The air inlet of eliminating equipment is equipped with two commutation air-valves.
  10. 10. the processing unit of volatile organic contaminant according to claim 1, it is characterised in that:The spray and rotation Wind dust removal integrated plant includes cyclone dust collectors, and spraying layer is equipped with the cyclone dust collectors.
CN201721171403.8U 2017-09-13 2017-09-13 A kind of processing unit of volatile organic contaminant Expired - Fee Related CN207270973U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107511019A (en) * 2017-09-13 2017-12-26 深圳市科德环保科技有限公司 A kind of processing unit of volatile organic contaminant
CN108554103A (en) * 2018-06-27 2018-09-21 康联君 UV photocuring varnish sprays waste gas recovery processing equipment and technique
CN109364599A (en) * 2018-12-20 2019-02-22 南京鑫之鸿环保科技有限公司 A kind of paint spray booth's catalysis burning waste gas treatment process
CN111151094A (en) * 2019-12-31 2020-05-15 四川信邦泰环保科技有限公司 Regeneration and purification method for organic polluted waste gas

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107511019A (en) * 2017-09-13 2017-12-26 深圳市科德环保科技有限公司 A kind of processing unit of volatile organic contaminant
CN108554103A (en) * 2018-06-27 2018-09-21 康联君 UV photocuring varnish sprays waste gas recovery processing equipment and technique
CN108554103B (en) * 2018-06-27 2023-10-31 康联君 UV (ultraviolet) photocuring varnish spraying waste gas recovery treatment equipment and process
CN109364599A (en) * 2018-12-20 2019-02-22 南京鑫之鸿环保科技有限公司 A kind of paint spray booth's catalysis burning waste gas treatment process
CN111151094A (en) * 2019-12-31 2020-05-15 四川信邦泰环保科技有限公司 Regeneration and purification method for organic polluted waste gas

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