CN207413050U - A kind of paint exhaust treatment device - Google Patents
A kind of paint exhaust treatment device Download PDFInfo
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- CN207413050U CN207413050U CN201721134156.4U CN201721134156U CN207413050U CN 207413050 U CN207413050 U CN 207413050U CN 201721134156 U CN201721134156 U CN 201721134156U CN 207413050 U CN207413050 U CN 207413050U
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- activated carbon
- desorption
- carbon adsorption
- pipeline
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Abstract
The utility model is related to a kind of paint exhaust treatment devices.It includes collecting pipe, water curtain cleaning system, deflector means, mineral wool filtration system, photooxidative degradation device, cyclic water tank, booster pump, activated carbon adsorption and desorption system, air-introduced machine, circulating water cooling tower, steam generator, condenser.The utility model is simple to paint waste gas treatment process, and purifying rate is high, and two groups of activated carbons can be run simultaneously, can also isolated operation, effectively processing paint exhaust gas.
Description
Technical field
The utility model is related to paint exhaust-gas treatment field, more particularly, to a kind of paint exhaust treatment device.
Background technology
The exhaust gas that industrial activity generates is one of source for polluting environment.Work post work progress oil paint volatilization of painting is produced
Raw voc（Triphen）Wait VOCs treatments, it is common to use " combustion method " and " active carbon adsorption ".The former is due to cost is excessive
It does not use generally, the latter is one of common method.But it often only rests on projects to start acceptance phase, really use
Greatest difficulty when the exhaust gas such as paint volatilization generates when constructing benzene,toluene,xylene in carry sticky particle secretly.It cannot expire
The various required cleaning ambients of emission-control equipment of foot, such as the activated carbon in activated carbon absorption plant, often by oiliness particle
Adhesion is blocking, and acceleration causes secondary pollution.The row of stealing that economic can not be used continuously and in line present situation are formed, often gives government's environmental protection
Department supervises and the enterprise operation of production and pollution administration causes very big puzzlement.More of the emission-control equipment of the prior art into
Row exhaust-gas treatment, shortcoming consideration in terms of cost, waste gas content is unstable or the big problem of amount, increase activated carbon second adsorption are imitated
Rate, activated carbon is of high cost, and fixed-end forces are costly, and service life is short, and paint exhaust-gas treatment is costly.
Utility model content
The purpose of this utility model is to provide a kind of paint exhaust treatment device, including
A kind of paint exhaust treatment device, including water curtain cleaning system, deflector means, mineral wool filtration system, photooxidation
Change decomposition apparatus, cyclic water tank, booster pump, activated carbon adsorption and desorption system, air-introduced machine, circulating water cooling tower, steam generation
Device, condenser, the booster pump control loop water tank provide water curtain, water curtain cleaning system air outlet and oil to water curtain cleaning system
The collecting pipe air taking port of paint exhaust gas is connected, and the deflector means air inlet passes through pipeline and water curtain cleaning system air outlet phase
Even, the mineral wool filtration system air inlet is connected by pipeline with deflector means air outlet, the photooxidative degradation device
Air inlet is connected by pipeline with mineral wool filtration system air outlet, and the activated carbon adsorption and desorption system air inlet pass through pipe
Road is connected with photooxidation catalytic unit air outlet, and the air-introduced machine is arranged on the air outlet of activated carbon adsorption desorption system, described
Steam generator, condenser are connected respectively with activated carbon adsorption and desorption system, and the circulating water cooling tower is connected with condenser.
Further, the activated carbon adsorption and desorption system mainly include charcoal canister one, control valve, charcoal canister
2nd, recycling bins device is condensed, the charcoal canister one is connected by parallel pipeline with charcoal canister two and passes through control valve to be cut automatically
Adsorption tanks or desorption tank are changed to, the steam generator is connected with parallel pipeline and provided to activated carbon adsorption and desorption system high
For the charcoal canister one or charcoal canister two that are adsorbed to saturation to be desorbed, the condenser connects simultaneously pressure steam with parallel pipeline
The gas for desorbing release and steam mixed liquor by circulating water cooling tower are condensed and are delivered to condensation recycling bins.
A kind of paint waste gas processing method, specific steps include:
（1）Dust clean, exhaust gas collected by collecting pipe after through cycling water curtain cleaning systems, dusting, curing；
（2）Baffling removes water, and the exhaust gas after dusting is removed the moisture carried secretly in exhaust gas by baffle plate；
（3）Mineral wool filters, and exhaust gas further removes moisture and dust remaining in exhaust gas by mineral wool filtration system；
（4）Vacuum ultraviolet light degradation drops the benzene in exhaust gas or hexichol class toxic pollutant under the low pressure close to vacuum
It solves as CO2And H2O；
（5）Activated carbon adsorption, by the exhaust gas utilization activated carbon adsorption dedusting after vacuum-ultraviolet light degradation treatment；
（6）Gas is discharged, and the exhaust gas after activated carbon adsorption dedusting is discharged under air-introduced machine effect from blowdown stack；
（7）Activated carbon is desorbed, and periodically uses steam pressurization, condensation displacement will the charcoal canister that adsorb exhaust gas to saturation
Exhaust gas is desorbed and recycled in activated carbon, while another spare absorbent charcoal adsorption tank is switched to adsorbed state, avoids equipment
It shuts down；Absorbent charcoal adsorption tank-activated carbon desorption two groups of the using and the reserved of tank are used alternatingly, and line can produce, mutually switch online
Absorption or separating process, need not shut down；
（8）Recycling, step is used by the charcoal canister after desorption again（7）Middle absorption exhaust gas.
Further, the step（1）Recirculated water in middle cycling water curtain system also added cationic liquid type coating cloud
Flocculating agent TH602A and cationic lacquer mist coagulant TH602B.
Further, the step（4）Middle vacuum-ultraviolet light degradation condition is：A length of 185 nm of ultraviolet light wave, low-pressure mercury
Lamp 23W.
Further, the step（5）Middle activated carbon selects the activated carbon that iodine number adsorptive value is 900-1000m/g.min,
The activated carbon is water proof type activated carbon.
Further, the step（6）Middle air-introduced machine absorbing quantity is 45000~80000m3/ h, rated power 35KW.
The utility model advantageous effect：
1st, equipment manufacturing costs are low, easy to operate, maintenance is simple, equipment is used in operation without security risk；
2nd, equipment running cost is low, energy consumption also can be very low；
3rd, vacuum-ultraviolet light degradation equipment auxiliary mating accessory year is at low cost, and safety coefficient is high, no burning point risk；
4th, work efficiency is high；Vacuum-ultraviolet light degeneration system can work continuously, and activated carbon adsorption can design two groups（One with one
It is standby）Connection line operation, continuous production need not be shut down, and activated carbon tank body can switch separating process online；
5th, regenerating active carbon is reused, and extends the service life, reduces fixed-end forces cost advantages；
6th, exhaust gas organic matter recycling, for low side make paint or factory other with solvent or diluent machine demand, save production
Cost.
Description of the drawings
Fig. 1 is the paint exhaust treatment device structure diagram of the utility model.
Fig. 2 is the paint exhaust-gas treatment flow figure of the utility model.
Fig. 3 is the flow chart that the utility model is adsorbed and is desorbed.
In figure:1st, water curtain cleaning system；2nd, deflector means；3rd, mineral wool filtration system；4th, photooxidative degradation device；5、
Cyclic water tank；6th, booster pump；7th, activated carbon adsorption and desorption system；71st, safety valve；8th, air-introduced machine；9th, collecting pipe；10th, cigarette
Chimney；11st, condenser；12nd, recycling bins are condensed；13rd, steam generator；14th, circulating water cooling tower；15th, charcoal canister one；16th, it is living
Property canister two.
Specific embodiment
- 3 are please referred to Fig.1, it is clear including collecting pipe 9, water curtain the utility model discloses a kind of paint exhaust treatment device
Wash system 1, deflector means 2, mineral wool filtration system 3, photooxidative degradation device 4, cyclic water tank 5, booster pump 6, activated carbon
Absorption and desorption system 7, air-introduced machine 8, the 6 control loop water tank 5 of booster pump provide continuous water to water curtain cleaning system 1
Curtain, water curtain cleaning system air outlet are connected with painting 9 air taking port of collecting pipe of exhaust gas, and 2 air inlet of deflector means leads to
Piping is connected with 1 air outlet of water curtain cleaning system, and 3 air inlet of mineral wool filtration system passes through pipeline and deflector means
2 air outlets are connected, and 4 air inlet of photooxidation catalytic unit is connected by pipeline with 3 air outlet of mineral wool filtration system, described
Activated carbon adsorption and 7 air inlet of desorption system are connected by pipeline with 4 air outlet of photooxidation catalytic unit, and the air-introduced machine 8 is set
Put the air outlet in activated carbon adsorption desorption system 7.
The activated carbon adsorption and desorption system 7 mainly include charcoal canister 1, control valve, charcoal canister 2 16, cold
Solidifying recycling bins 12, condenser 11, steam generator 13, charcoal canister 1 are arranged at activated carbon adsorption with charcoal canister 2 16
And it is connected in desorption system 7 and by parallel pipeline, charcoal canister 1 and charcoal canister 2 16 is automatically switched by control valve
It is used alternatingly for adsorption tanks or desorption tank, charcoal canister 1 with charcoal canister 2 16, prevents equipment downtime.The steam generation
Device 13 connects charcoal canister 1 or the desorption of charcoal canister 2 16 for providing that high steam will be adsorbed to saturation with parallel pipeline, by
The substance adsorbed in activated carbon is desorbed out, and the condenser 11 connects with parallel pipeline and will desorb the gas and steam of release
Mixed liquor is delivered to condensation recycling bins 12 by the condensation of circulating water cooling tower 14.
The utility model paints exhaust-gas treatment detailed process as shown in Fig. 2, specific steps include：
（1）Wash dedusting：Recirculated water addition liquid cationic lacquer mist coagulant TH602A and sun into cyclic water tank 5
Ionic lacquer mist coagulant TH602B paints special curing agent, is uniformly mixed and by the recirculated water multistage filtering of cleaning, paint
After exhaust gas is collected by collecting pipe 9, into water curtain cleaning system 1,6 control loop water tank 5 of booster pump is to water curtain cleaning system 1
It sprays water and forms curtain and exhaust gas is carried out sufficiently to clean, is cured, dusting；
（2）Baffling removes water, and exhaust gas is delivered to deflector means 2 removes what is carried secretly in exhaust gas by the multiple baffling of baffle plate
Moisture, and enter subsequent processing；
（3）Reach effects of demand to ensure to clean coating cloud bisque, exhaust gas again passes by glass after over cleaning, water removal
Cotton filtration system 3 further removes residual moisture and dust in exhaust gas, into photooxidation catalytic unit 4；
（4）Vacuum ultraviolet light degradation：Exhaust gas is fully degraded into CO2 and H2O in low vacuum, a length of 185nm of ultraviolet light wave.
Degradation principles：Vacuum ultraviolet just under the low pressure close to vacuum, the halide of rare gas or rare gas and generate
185nm ultraviolet wavelengths carry out exhaust gas light radiation, while oxygen and the hydroxyl and ozone of water generation strong oxidizing property in air,
After enhancing the material absorbings ultraviolet radiation power such as the organic matter benzene in exhaust gas, hexichol, triphen, scission of link open loop is decomposed into small
Micel, i.e., by ozone oxidation into carbon dioxide and water, the small organic molecule group not being completely broken down purifies rank into photodissociation
Section by length ultraviolet line scission of link, forms carbon dioxide and the purification of water twin-stage, it is ensured that spraying organic exhaust gas purification up to standard, specifically
Scheme can be found in what in November, 2008 Song Yan dragons et al. were delivered《The Research Literature of vacuum ultraviolet light degradation benzene》；
（5）Activated carbon adsorption and desorption：It after photooxidation catalytic treatment, has at least obtained 80% exhaust gas and has been decomposed, remained
Remaining exhaust gas is handled using activated carbon adsorption and desorption system 7, in the hope of meeting equipment treatment effect qualified discharge purpose；
（6）Air inducing is discharged:Above step carries out in closed channel, and exhaust gas is under the effect of air-introduced machine 8, from collecting pipe
It is discharged into exhaust treatment system equipment, and from 15 meters or more blowdown stacks 10.In order to meet emission request, the outlet of chimney 10
At least 15 meters from bottom surface or more；
（7）Regenerating active carbon is desorbed：Activated carbon passes through the adsorption saturation phase, and periodically carrying out desorption using steam pressurization puts
It changes, is given simultaneously in steam pressurization saturation certain pressure and slowly discharge into condenser 11 and replace, the activated carbon adsorption and de-
Attached system 7 is additionally provided with safety valve 71, prevents air pressure from crossing huge explosion, it is 900-1000m/g that the activated carbon, which selects specific surface area,
Activated carbon；
（8）Organic matter condensation recycling:It is desorbed steam and heat exchange is carried out using condenser 11, condensate liquid is sent to circulating water
Tower 14 is condensed and recycled by recycling bins 12；
Absorption is as shown in Figure 3 with desorption process：Absorbent charcoal adsorption tank 1 is controlled with absorbent charcoal adsorption tank 2 16 by valve
Automatically switch.For example, when one 15 adsorption saturation of absorbent charcoal adsorption tank, valve control is switched it into desorption system, and activated carbon is inhaled
Attached tank 2 16 is switched in adsorption system, and steam generator 13 continuously provides high pressure to absorbent charcoal adsorption tank 1 at this time
Steam makes the gas or liquid that are adsorbed in absorbent charcoal adsorption tank 1 be desorbed out, and at the same time, condenser 11 will be desorbed out
The gas-liquid mixture condensation come, which is sent to circulating water cooling tower 14, to condense and is recycled by recycling bins 12.Water level report is equipped in cyclic water tank 5
Alarm device, priming device and deslagging device.
The utility model is given up to three kinds of varnish, priming paint, colored paint paint gas samplings and using the utility model paint respectively
Flash Gas Compression Skid System is handled, and the concentration of non-methane total hydrocarbons is 69.1mg/m in varnish at collecting pipe 9 in paint exhaust gas3, particulate matter
Concentration is 18.2mg/m3；The concentration of non-methane total hydrocarbons is 14.8mg/m in priming paint at collecting pipe 9 in paint exhaust gas3, particulate matter
Concentration is 17.7mg/m3；The concentration of non-methane total hydrocarbons is 230mg/m in colored paint at collecting pipe 9 in paint exhaust gas3, particulate matter is dense
It spends for 17.6 mg/m3, by using the paint exhaust treatment device of the present invention, waste gas purification rate can reach 80%.
Air containing coating cloud enters gas-water channel after being hit with water curtain, through water curtain, is generated with the water in passage
Strong mixing, then baffling removes water successively, and flow velocity reduces suddenly, and gas-water separation, after air is by baffling water fender, water curtain is clear
It washes system 1 treated in lacquer spraying waste gas also containing a large amount of particulate matters, it, need to will be useless to prevent from blocking consequent activities carbon purifying facility
Gas is further passed through mineral wool filtration system 3 and further removes purification to paint particle object.Mineral wool filtration system 3 is also coating cloud
Felt, resistance paint net, resistance paint cotton, the fluffy felt of glass fibre, paint filter screen, by the continuous monofilament of high intensity, glass fibre composition is in
It is incremented by structure, catch rate is high, coating cloud isolation effect is good；Good compression property can keep its external form constant, then be dropped by photooxidation
4 oxygenolysis of device is solved, is further pumped by air-introduced machine 8 in activated carbon adsorption and desorption system 7；Activated carbon adsorption principle：It adopts
The activated carbon for being 900-1000m/g.min with iodine number adsorptive value, the activated carbon are water proof type activated carbon, pass through physics and chemistry
Method crushes raw material, is sieved, activation of catalyst, rinsing, drying and sieve
The series of processes such as choosing fabricate.Activated carbon has the double grading of physical absorption and chemisorbed, can
Selectively to adsorb the various substances in gas phase, liquid phase, to reach the purpose of decolorizing and refining, disinfecting, deodorizing and decontamination purify.
Active carbon adsorption be exactly by the use of activated carbon as physical absorbent, the harmful substance ingredient generated in electrostatic spray process,
It is concentrated in solid phase surface, so as to obtain the effect of waste gas purification improvement.This adsorption process is in solid phase-gas phase boundary
The physical process that face occurs.
The above is only the preferred embodiment of the present invention, and it does not limit the scope of the patent of the present invention,
Every equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is directly or indirectly transported
Used in other related technical areas, it is equally included in the patent within the scope of the utility model.
Claims (2)
1. a kind of paint exhaust treatment device, it is characterised in that：Including collecting pipe, water curtain cleaning system, deflector means, glass
Glass cotton filtration system, photooxidative degradation device, cyclic water tank, booster pump, activated carbon adsorption and desorption system, air-introduced machine, cycling
Water cooling tower, steam generator, condenser, the booster pump control loop water tank provide water curtain, water curtain to water curtain cleaning system
Cleaning system air outlet is connected with the collecting pipe air taking port of exhaust gas, and the deflector means air inlet is clear with water curtain by pipeline
The system air outlet of washing is connected, and the mineral wool filtration system air inlet is connected by pipeline with deflector means air outlet, described
Photooxidative degradation device air inlet is connected by pipeline with mineral wool filtration system air outlet, the activated carbon adsorption and desorption system
System air inlet is connected by pipeline with photooxidation catalytic unit air outlet, and the air-introduced machine is arranged on activated carbon adsorption desorption system
Air outlet, the steam generator, condenser be connected respectively with activated carbon adsorption and desorption system, the circulating water cooling tower
It is connected with condenser.
2. a kind of paint exhaust treatment device according to claim 1, it is characterised in that：The activated carbon adsorption and desorption
System mainly includes charcoal canister one, control valve, charcoal canister two, condensation recycling bins device, the charcoal canister one and activated carbon
Tank two be connected by parallel pipeline and pass through control valve automatically switches to adsorption tanks or desorption tank, the steam generator with it is in parallel
Pipeline connects and provides high steam to activated carbon adsorption and desorption system for that will be adsorbed to the charcoal canister one of saturation or living
Property canister two desorb, the condenser connected with parallel pipeline and will desorb release gas and steam mixed liquor pass through recirculated water
Cooling tower condenses and is delivered to condensation recycling bins.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721134156.4U CN207413050U (en) | 2017-09-06 | 2017-09-06 | A kind of paint exhaust treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721134156.4U CN207413050U (en) | 2017-09-06 | 2017-09-06 | A kind of paint exhaust treatment device |
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| Publication Number | Publication Date |
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| CN207413050U true CN207413050U (en) | 2018-05-29 |
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ID=62315920
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721134156.4U Active CN207413050U (en) | 2017-09-06 | 2017-09-06 | A kind of paint exhaust treatment device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108744830A (en) * | 2018-07-18 | 2018-11-06 | 昆山佳洪源环境科技有限公司 | A kind of photooxidation catalytic mixing formula exhaust gas waste water treatment system |
| CN109011991A (en) * | 2018-08-31 | 2018-12-18 | 佛山市锐拓环境工程设备有限公司 | A kind of organic exhaust gas adsorption recycling equipment |
| CN111420474A (en) * | 2020-03-16 | 2020-07-17 | 吴竹林 | Novel treatment process for plastic packaging waste gas |
| CN116608456A (en) * | 2023-04-28 | 2023-08-18 | 广东海派节能设备有限公司 | External combustor of energy-saving steam generator |
| CN116608456B (en) * | 2023-04-28 | 2024-04-26 | 广东海派节能设备有限公司 | External combustor of energy-saving steam generator |
-
2017
- 2017-09-06 CN CN201721134156.4U patent/CN207413050U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108744830A (en) * | 2018-07-18 | 2018-11-06 | 昆山佳洪源环境科技有限公司 | A kind of photooxidation catalytic mixing formula exhaust gas waste water treatment system |
| CN109011991A (en) * | 2018-08-31 | 2018-12-18 | 佛山市锐拓环境工程设备有限公司 | A kind of organic exhaust gas adsorption recycling equipment |
| CN111420474A (en) * | 2020-03-16 | 2020-07-17 | 吴竹林 | Novel treatment process for plastic packaging waste gas |
| CN116608456A (en) * | 2023-04-28 | 2023-08-18 | 广东海派节能设备有限公司 | External combustor of energy-saving steam generator |
| CN116608456B (en) * | 2023-04-28 | 2024-04-26 | 广东海派节能设备有限公司 | External combustor of energy-saving steam generator |
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