CN107051137A - Spray emission-control equipment - Google Patents

Spray emission-control equipment Download PDF

Info

Publication number
CN107051137A
CN107051137A CN201710435610.8A CN201710435610A CN107051137A CN 107051137 A CN107051137 A CN 107051137A CN 201710435610 A CN201710435610 A CN 201710435610A CN 107051137 A CN107051137 A CN 107051137A
Authority
CN
China
Prior art keywords
gas
control equipment
exhaust
equipment
plasma
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710435610.8A
Other languages
Chinese (zh)
Inventor
傅太平
张景钦
傅灿煌
兰国星
傅汉文
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhongke Tianlong (xiamen) Environmental Protection Ltd By Share Ltd
Original Assignee
Zhongke Tianlong (xiamen) Environmental Protection Ltd By Share Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhongke Tianlong (xiamen) Environmental Protection Ltd By Share Ltd filed Critical Zhongke Tianlong (xiamen) Environmental Protection Ltd By Share Ltd
Priority to CN201710435610.8A priority Critical patent/CN107051137A/en
Publication of CN107051137A publication Critical patent/CN107051137A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/32Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by electrical effects other than those provided for in group B01D61/00
    • B01D53/323Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by electrical effects other than those provided for in group B01D61/00 by electrostatic effects or by high-voltage electric fields
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D50/00Combinations of methods or devices for separating particles from gases or vapours
    • B01D50/20Combinations of devices covered by groups B01D45/00 and B01D46/00
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/02Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/346Controlling the process
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/46Removing components of defined structure
    • B01D53/66Ozone
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/46Removing components of defined structure
    • B01D53/72Organic compounds not provided for in groups B01D53/48 - B01D53/70, e.g. hydrocarbons
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2257/00Components to be removed
    • B01D2257/70Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
    • B01D2257/708Volatile organic compounds V.O.C.'s
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2257/00Components to be removed
    • B01D2257/90Odorous compounds not provided for in groups B01D2257/00 - B01D2257/708
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2258/00Sources of waste gases
    • B01D2258/02Other waste gases
    • B01D2258/0258Other waste gases from painting equipments or paint drying installations
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2259/00Type of treatment
    • B01D2259/80Employing electric, magnetic, electromagnetic or wave energy, or particle radiation
    • B01D2259/818Employing electrical discharges or the generation of a plasma

Abstract

Present invention spraying emission-control equipment, belong to exhaust-gas treatment field, a kind of specifically related to 4 S auto shop spraying emission-control equipment, the device is by including exhaust-gas treatment main frame, monitoring, instrument, VOC be online, PLC control panels, wherein exhaust-gas treatment host device is to include inlet non return check valve of preventing fires(1), roller dedusting section(2), F4/G8 filter cylinders fillter section (3), plasma for purification section (4), molecular sieve adsorption section (5), centrifugal blower (6), the complete processing equipment of ash bucket (9), pass through PLC controls(7)System operation, monitors the real-time running state of each unit.Efficiently, economic, energy-conservation waste gas pollution control and treatment degraded volatile organic contaminant (VOCs).The system utilizes Low Temperature Plasma Treating VOCs, with the high advantage of applied widely, purification efficiency.

Description

Spray emission-control equipment
Technical field
The invention belongs to VOCs exhaust-gas treatments field, and in particular to a kind of 4 S auto shop sprays emission-control equipment
Background technology
Painting dressing automobiles be can produce in automobile making, a significant process of care and maintenance, coating process it is substantial amounts of useless Gas.4 S auto shop is the main place of vehicle maintenance and maintenance, and 4 S auto shop coating waste gas total amount even more high is in automobile making Process sprays waste gas total amount.The main component of coating waste gas is coating cloud and organic exhaust gas.The main component of organic exhaust gas be triphen, Ester, aldehyde, ketone, ether and other compounds.Coating cloud and organic exhaust gas can cause very big harm to the health of people.
Application refers to metal and nonmetallic surface protective mulch or decorative layer, is that product surface protection and decoration are used Most basic technological means.Coating process can be simply summarized as:Pre-treatment → spraying → drying or solidification.Pre-treatment is general Including oil removing, derusting, passivation (phosphatization) technique.Required for different coatings and to erosion-resisting, oil removing, derusting, phosphatization etc. Processing method will be selected depending on the situation of workpiece raw material.In preceding processing derusting process, sandblasting, ball blast or technique for grinding, Use is selected on demand in the different departments of different industries.With developing rapidly for application techniques, application automated production has significantly Progressive, electrostatic spraying, electrophoretic coating, powder spray technology have obtained application.
According to manufacturing technique for painting dressing, coating waste gas mostlys come from pre-treatment, spraying, drying process, the pollution discharged Thing is mainly:The dust or acid mist produced in pretreatment process, the coating cloud and organic solvent produced during spray painting, is produced during drying and volatilizing Raw organic solvent.Coating cloud mostlys come from the part that solvent based coating disperses in aerial spraying operation, and its composition is with being used Coating it is consistent.Organic solvent mostlys come from solvent, the diluent during coating use, overwhelming majority category volatility row Put, its main pollutant is dimethylbenzene, toluene, benzene, butyl acetate, naphtha etc..The harmful exhaust discharged in application is main Concentrate on painting line, wherein paint spray booth, paint, drying chamber are the main occurring sources of waste gas.
Substantial amounts of paint slag, dust, peculiar smell for being produced when spraying etc., can enter human body by respiratory tract, produce human body The symptoms such as raw dizziness, nausea, also result in aplastic anemia when serious.Spraying waste gas is not only polluted to environment, and right Human body has larger damaging effect, while also destroying the environment on periphery, causes bad influence.For environmental protection, state Emission control of the family to paint industry VOC organic exhaust gas is more and more stricter, and lacquer spraying waste gas needs effectively to be administered and reach ring It can be discharged after guaranteed request.
The processing method of organic exhaust gas (abbreviation VOCs, Volatile Organic Compounds) mainly have absorption process, Active carbon adsorption, combustion method, condensation method, low-temperature plasma method and photocatalytic method.But the selection, processing gas from absorbent are dense Consider in terms of degree, cost, treatment effect, applied to the environment protection treating of 4 S auto shop lacquer spraying waste gas, above method is used alone Shi Jun has certain limitation.The rationalization of various processing methods is combined, and can make up the deficiency of single treatment method presence, more The processing requirement that 4 S auto shop sprays waste gas is met well.
Patent CN202105577U discloses the technique pair of use " filtering bag filtration+catalytic oxidation+plasma method " Spraying waste gas is handled.In the technique, the effect for filtering bag filtration is unsatisfactory, is filtered using the combined padding and drying system developed in recent years Material can preferably solve this problem;The catalyst preparation that catalytic oxidation is used is complicated, expensive;Plasma The ozone of higher concentration can be produced, when being placed in end, undressed ozone discharge is easy to cause secondary pollution into air.
The content of the invention
The characteristics of it is an object of the invention to for 4S shops lacquer spraying waste gas, provides efficient, economic, energy-conservation integrated treatment skill Art, makes up the deficiency that existing treatment technology is used alone, and concrete technical scheme is as follows:
Present treatment system includes that exhaust-gas treatment main frame, monitoring, instrument, VOC be online, PLC control panels, wherein exhaust-gas treatment Host device is to include fire prevention inlet non return check valve (1), roller dedusting section (2), F4/G8 filter cylinders fillter section (3), plasma for purification Section (4), molecular sieve adsorption section (5), centrifugal blower (6), the complete processing equipment of ash bucket (9), automatic running is controlled using PLC, The real time execution shape of each unit is monitored by monitoring system (temperature, flow, pressure sensor), instrument, VOC on-line computing models State, from system engineering ensure constituted processing system be a unification, reasonable, fully unitaryization waste gas pollution control and treatment system System.
Its operation principle is:Pressure fan, exhaust blower start simultaneously during spray painting, and outdoor fresh air is by air inlet by blowing Machine is pulled into paint spray booth, and the suction function that lacquer spraying waste gas passes through exhaust blower sends into the fire prevention one-way check of present treatment system Valve, roller dedusting section (containing reductor), most of coating cloud particle are intercepted at cylinder surface and scrape and settle through roller rotation On ash bucket;The filtering of remaining a small amount of coating cloud particle again by F4/G8 drum filtrations section, obtains more thoroughly removing;Remove The organic exhaust gas of coating cloud particle by the purification of low-temperature plasma clean-up stage, removes majority of organic pollutants again;Organic waste afterwards Gas enters molecular sieve adsorption section, and remaining a small amount of organic pollution is adsorbed by molecular sieve adsorption section;Finally, through filtering, purification, suction Attached gas sends into aiutage high altitude discharge by exhaust blower.VOC concentration is monitored by VOC on-line computing models, so that in real time Monitor the treatment effect of waste gas.
The system, can be very first using the group technology of drum filtration, filter cylinder filtering, low-temperature plasma, molecular sieve etc. The coating cloud particle and volatile organic contaminant produced in painting process is removed well, has reached the effect of the comprehensive regulation.
Technical scheme is as follows:
One kind spraying emission-control equipment, the device includes that exhaust-gas treatment main frame, monitoring, instrument, VOC be online, PLC is automatically controlled Equipment, wherein exhaust-gas treatment host device are to include fire prevention inlet non return check valve (1), roller dedusting section (2), the filtering of F4/G8 filter cylinders Section (3), plasma for purification section (4), molecular sieve adsorption section (5), centrifugal blower (6), the complete processing equipment of ash bucket (9), lead to PLC control (7) system operations are crossed, the real-time running state of each unit is monitored.
Further, waste gas is collected into equipment under the traction of centrifugal blower (6) through piping, unidirectional inverse by fire prevention Only the regulation of valve (1), prevents flue gas from flowing backwards, and prevents spark, protection equipment.
Further, it is that roller dedusting section (2) gets rid of most coating cloud that waste gas, which introduces one-level high-efficiency dust cleaning device, Particulate matter, roller dedusting section (2) also includes the dust in reductor, its main purification gas, it is ensured that the dust in gas contains Amount is less than 20MG/M3, the need for follow-up equipment operation is ensured to greatest extent, while reducing labor intensity.
Further, the fillter section (3) is filtered using filter cylinder, further removes remaining a small amount of coating cloud particle.
Further, the waste gas enters plasma for purification section (4), forms low temperature plasma with high pressure generator, instead The molecule of gas with foreign flavor is bombarded again, the various compositions deactivate, ionize, cracking in waste gas, so as to occur the change of a series of complex Reaction is learned, makes to change into various active particles by the organic exhaust gas molecule such as benzene,toluene,xylene of processing equipment, with air In O2With reference to generation H2O、CO2Deng low molecule innocuous substance, it is purified waste gas.
Further, described plasma for purification section (4) average energy about 8eV.
Further, the molecular sieve adsorption section (5) uses active molecular sieve or VOC molecular sieves.
Further, PLC controls (7) to include programmable controller PLC and Site Detection pick-up instrument, and operating personnel pass through instrument Table testing result monitors processing procedure, adjusts operational factor, controls field apparatus.
Further, set VOC online (8) in the certain altitude of aiutage, sampler is installed in detection mouth, it is acquired The PID detector that gaseous sample enters supporting installation carries out monitoring VOC concentration in real time, so as to monitor exhaust-gas treatment effect, in time Improve exhaust-gas treatment measure.
Beneficial effect:
1st, the traditional processing method such as absorption and sorption of degraded volatile organic contaminant (VOCs), condensation and burning etc., right It is difficult to realize in the VOCs of low concentration, and there is the problem of catalyst is easily inactivated in photocatalytic degradation VOCs.Low-temperature plasma Body technology is the purification techniques according to big flow, middle low-concentration organic exhaust gas feature.Its core is to use low temperature plasma first Generator, which is produced, to be included a large amount of high energy electrons, ion, excited state molecule in the plasma of high concentration, plasma and has The living radical of strong oxidizing property, the energy of these active particles is higher than the bond energy of gas molecule, and they and emission molecule occur Frequently collision is with combining, under electric field action, and emission molecule is in excitation state, when the energy of emission molecule acquisition is more than its point During the combination energy of sub-key energy, the molecular scission of emission molecule directly resolves into simple substance atom or the nothing by single atomic building Evil gas molecule;A large amount of OH, the HO produced simultaneously2, O isoreactivities free radical and the extremely strong O of oxidisability3, can be with harmful gas Body molecule chemically reacts, and ultimately produces harmless products;And during plasma is produced, produced by high-frequency discharge Moment high-energy can just open the chemical bond of some pernicious gas molecules, be allowed to be decomposed into simple substance atom or harmless molecule. The system can not be limited using Low Temperature Plasma Treating VOCs by above-mentioned condition, with applied widely, purification efficiency High advantage.
2nd, the system uses drum filtration, filter cylinder filtering, plasma, the combination of molecular sieve, and can efficiently remove volatility has The major pollutants such as machine thing (VOCs), inorganic matter, hydrogen sulfide, ammonia, thio-alcohol, odor removal efficient is up to more than 95%;Using not Steel material molding of becoming rusty makes, and inoxidizability is strong, has good antiseptic property to acid, alkali gas, wet environment etc..
3rd, gas reaches 3-15 meter per seconds by the speed of reaction zone, that is, reaches good treatment effect.
4. the present invention further uses molecular sieve after plasma, on the one hand volatility can be further removed organic Thing, another aspect plasma can produce a certain amount of ozone in use, by using molecular sieve, it is possible to reduce or it is complete Entirely without ozone discharge.
5th, barrier discharge produces electron energy height, and low-temperature plasma density is big, reaches that conventional plasma technology (put by corona Electricity) 1500 times, almost can be with all foul gas molecular actions.
Brief description of the drawings
1. Fig. 1 is 4 S auto shop spraying exhaust treatment system structural representation.
In figure:Fire prevention inlet non return check valve 1;Roller dedusting section (containing reductor) 2;F4/G8 filter cylinders fillter section 3;Plasma Clean-up stage 4;Molecular sieve adsorption section 5;Centrifugal blower 6;PLC controls 7;VOC online 8;Ash bucket 9;Chimney 10.
Embodiment
The technological process for the present invention that the present invention will be further described below in conjunction with the accompanying drawings.
1. waste gas is under the traction of centrifugal blower 6, it is collected into through piping into equipment, passes through inlet non return check valve 1 of preventing fires Regulation, prevents flue gas from flowing backwards, and prevents spark, protection equipment.
It is that roller dedusting section 2 (containing reductor) gets rid of most paint that 2. waste gas, which introduces one-level high-efficiency dust cleaning device, Mist particulate matter.And the dust in the main purification gas of reductor, it is ensured that the dust content in gas is less than 20MG/M3Hereinafter, The need for ensureing follow-up equipment operation to greatest extent, while reducing labor intensity.
3. waste gas into second patent flour dirt purifier be F4/G8 filter cylinders fillter section 3 by efficient dust-filtering, after guarantee The service condition and service life of continuous cleaning equipment, filter cylinder filter false impulse blowback reduce maintenance cost.
4. waste gas enters plasma for purification section 4, with high pressure generator formation low temperature plasma, peculiar smell gas is bombarded repeatedly The molecule of body, the various compositions deactivate, ionize, cracking in waste gas, so that occur the chemical reaction of a series of complex such as oxidation, Make to change into various active particles by the organic exhaust gas molecule such as benzene,toluene,xylene of processing equipment, with the O in air2Knot Symphysis is into H2O、CO2Deng low molecule innocuous substance, it is purified waste gas.In processing procedure, when organic gas enters plasma During body precursor reactant room, gas is evenly distributed to plasma reaction chamber, and reative cell is divided into modular pipe area, every pipe There is a discharge electrode centre, is independently separated with reative cell.Adjustable high pressure, high voltage conduction to pipe are turned on to reative cell by high-voltage line On tubular wire in son, by electric wire to tube wall produce electric discharge phenomena, once electric discharge, plasma electron just with gas molecule phase Hit, produce Chemical Active nucleic, the function with miniature electrostatic precipitator and dedusting.
5. the non-purified waste gas of fraction, which enters equipment terminal molecular sieve adsorption section 5, carries out further adsorption cleaning, so that Ensure that waste gas is fully cleaned up.
6. most the chimney 10 that acts through through centrifugal blower 6 realizes gas qualified discharge afterwards.
7. constituting PLC controls 7 by the part such as programmable controller PLC and Site Detection pick-up instrument, operating personnel pass through Instrument testing result monitors processing procedure, adjusts operational factor, controls field apparatus.
8. set in the certain altitude of aiutage and sampler, acquired gas sample are installed in VOC online 8, detection mouth The PID detector that product enter supporting installation carries out monitoring VOC concentration in real time, so as to monitor exhaust-gas treatment effect, improves useless in time Gas disposal measure.
9. control the bearing for filtering silk screen roll within 24 hours by reductor, it is synchronous to be equipped with fixed long brush to silk screen The coating cloud and dust of upper retention are cleaned, and the particle debris cleaned is then collected by the ash bucket of lower section, regular people Work is cleaned.
10. whole system is automatically controlled by PLC, uninterrupted circular flow.
Embodiment 1:
In the present embodiment, 4 S auto shop spraying emission-control equipment parameters are:
Design air flow is 20000m3/ h, power is the master of waste gas near 11kW all-glass fibre reinforced plastic blower fan, blast 2000pa Composition is wanted to have benzene, toluene and dimethylbenzene, temperature is normal temperature.
Using one-level dry filter technique, secondary purification is imitated in one-level, one-level efficiently, two grades of dry filter techniques, one-level Just imitate G4, two grades of efficient F5.
By-pass filtration filtering surface Feng Su≤1.5m/s;By-pass filtration initial pressure<70Pa;By-pass filtration being capable of continuous normal work Make 60 days.
Secondary filtration filter efficiency>90% secondary filtration face Feng Su≤1m/s secondary filtrations initial pressure loss<100Pa, Secondary filtration being capable of continuous normal work more than 80 days.
One-level, secondary filtration system clear up the dust being detained using pulse backblowing.
Plasma for purification section 4 average energies about 8eV, the speed of 8,000,000 times to 50,000,000 times per second bombards peculiar smell repeatedly The molecule of gas;
Molecular sieve adsorption section 5 uses VOC molecular sieves;
Remaining design is identical with previous embodiment.Waste gas when source exhaust gas is 4 S auto shop spraying operation.
The content of pollutant such as table 1 before and after exhaust-gas treatment.
The lacquer spraying waste gas of table 1 concentration before and after the processing
Embodiment 2:
In the present embodiment, 4 S auto shop spraying emission-control equipment parameters are:
Design air flow is 20000m3/ h, power is the master of waste gas near 11kW all-glass fibre reinforced plastic blower fan, blast 2000pa Composition is wanted to have benzene, toluene and dimethylbenzene, temperature is normal temperature.
Appearance and size 3000×1200×2400mm
Disposal ability 20000m3/h
Operating voltage 220V
Residence time 6s
General power 13kW
Plasma electrical source power 1kW (adjustable)
Output voltage 20kV (adjustable)
Input voltage 380/220V
Working frequency 20KHz
Plasma electrical source service life More than 1 year
Plasma emission pole Corrosion-resistant stainless steel material
Plasma emission number of poles 1 group
Discharging structure Plate hole formula
Discharge mode Corona
Electric discharge is visual Purple light
Overall material 304 stainless steels
Integral device service life More than 8 years
Flange size DN700
Flanged outlet direction A left side goes out on entering
Import unidirectional stop valve 1 set
Dust by-pass filtration 1 set of dust automatic purification device
Configuration 1 set of reductor, power 0.57kW
Dust secondary filtration Extra large 1 layer of filtering of handkerchief filter cylinder
Configuration Filter cartridge size DN150*200
Dust three-stage filtration 1 layer of dedusting filter cylinder
Configuration Filter cartridge size DN150*200
Pulsed dust-removing device It is a set of
Outlet configuration Active molecular sieve
Detection is online VOC
Sensor Temperature, pressure, flow are each a set of
Air-introduced machine Carbon steel centrifugal blower
Air inducing acc power ZYF-3C-11kw
Control system PLC+ touch-screens
Design efficiency of dust collection > 99%
Design highest purification efficiency 98%
Design average cleanup efficiency 95%
Using one-level dry filter technique, secondary purification is imitated in one-level, one-level efficiently, two grades of dry filter techniques, one-level Just imitate G4, two grades of efficient F5.
By-pass filtration filtering surface Feng Su≤1.5m/s;By-pass filtration initial pressure<70Pa;By-pass filtration being capable of continuous normal work Make 60 days.
Secondary filtration filter efficiency>90% secondary filtration face Feng Su≤1m/s secondary filtrations initial pressure loss<100Pa, Secondary filtration being capable of continuous normal work more than 80 days.
One-level, secondary filtration system clear up the dust being detained using pulse backblowing.
Plasma for purification section 4 average energies about 8eV, the speed of 8,000,000 times to 50,000,000 times per second bombards peculiar smell repeatedly The molecule of gas;
Molecular sieve adsorption section 5 uses active molecular sieve;
Remaining design is identical with previous embodiment.Waste gas when source exhaust gas is 4 S auto shop spraying operation.
The content of pollutant such as table 2 before and after exhaust-gas treatment.
The lacquer spraying waste gas of table 2 concentration before and after the processing

Claims (10)

1. one kind spraying emission-control equipment, it is characterised in that the device exists including exhaust-gas treatment main frame, monitoring, instrument, VOC Line, PLC control panels, wherein exhaust-gas treatment host device are to include inlet non return check valve of preventing fires(1), roller dedusting section(2)、F4/ G8 filter cylinders fillter section (3), plasma for purification section (4), molecular sieve adsorption section (5), centrifugal blower (6), the complete place of ash bucket (9) Equipment is managed, passes through PLC controls(7)System operation, monitors the real-time running state of each unit.
2. spraying emission-control equipment according to claim 1, it is characterised in that waste gas is in centrifugal blower(6)Traction Under, it is collected into through piping into equipment, passes through inlet non return check valve of preventing fires(1)Regulation, prevent flue gas from flowing backwards, prevent spark, protect Protect equipment.
3. spraying emission-control equipment according to claim 1, it is characterised in that waste gas introduces one-level high-efficiency dust cleaning Device is roller dedusting section(2)Get rid of most coating cloud particulate matter, roller dedusting section(2)Reductor is also included, it is led Want the dust in purification gas, it is ensured that the dust content in gas is less than 20MG/M3
4. spraying emission-control equipment according to claim 1, it is characterised in that the fillter section(3)Using filter cylinder mistake Filter, further removes remaining a small amount of coating cloud particle.
5. spraying emission-control equipment according to claim 1, it is characterised in that PLC is controlled(7)Including PLC technology Device PLC and Site Detection pick-up instrument, operating personnel monitor processing procedure by instrument testing result, adjust operational factor, control Field apparatus processed.
6. spraying emission-control equipment according to claim 1, it is characterised in that VOC is set in the certain altitude of aiutage Online(8), detection mouth is interior to install sampler, and the PID detector that acquired gaseous sample enters supporting installation is carried out in real time VOC concentration is monitored, so as to monitor exhaust-gas treatment effect, exhaust-gas treatment measure is improved in time.
7. spraying emission-control equipment according to claim 1, it is characterised in that waste gas enters plasma for purification section (4), with high pressure generator formation low temperature plasma, the molecule of gas with foreign flavor is bombarded repeatedly, is deactivated, ionizes, is cracked waste gas In various compositions, so as to occur the chemical reaction of a series of complex, make to change into by the organic exhaust gas molecule of processing equipment Various active particles, with the O in air2With reference to generation H2O、CO2Deng low molecule innocuous substance, it is purified waste gas.
8. spraying emission-control equipment according to claim 1, it is characterised in that plasma for purification section(4)Average energy About 8eV.
9. spraying emission-control equipment according to claim 1, it is characterised in that molecular sieve adsorption section(5)Using activity point Son sieve or VOC molecular sieves.
10. spraying emission-control equipment according to claim 1, it is characterised in that the device is used for 4S shops vehicle spray painting.
CN201710435610.8A 2017-06-11 2017-06-11 Spray emission-control equipment Pending CN107051137A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710435610.8A CN107051137A (en) 2017-06-11 2017-06-11 Spray emission-control equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710435610.8A CN107051137A (en) 2017-06-11 2017-06-11 Spray emission-control equipment

Publications (1)

Publication Number Publication Date
CN107051137A true CN107051137A (en) 2017-08-18

Family

ID=59595092

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710435610.8A Pending CN107051137A (en) 2017-06-11 2017-06-11 Spray emission-control equipment

Country Status (1)

Country Link
CN (1) CN107051137A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107433132A (en) * 2017-09-06 2017-12-05 哈尔滨工程大学 A kind of boat diesel engine tail gas nitrogen oxide removing means and removal methods
CN110124421A (en) * 2018-02-02 2019-08-16 刘庆军 Air cleaning system and air purification method
WO2019196058A1 (en) * 2018-04-12 2019-10-17 苏州迪维勒普信息科技有限公司 Remote monitoring system for industrial exhaust gas purification
WO2021000621A1 (en) * 2019-07-04 2021-01-07 广东澄宇实业有限公司 Voc waste gas treatment and purification device and baking finish house provided with same

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107433132A (en) * 2017-09-06 2017-12-05 哈尔滨工程大学 A kind of boat diesel engine tail gas nitrogen oxide removing means and removal methods
CN107433132B (en) * 2017-09-06 2020-09-25 哈尔滨工程大学 Device and method for removing nitrogen oxides in tail gas of marine diesel engine
CN110124421A (en) * 2018-02-02 2019-08-16 刘庆军 Air cleaning system and air purification method
WO2019196058A1 (en) * 2018-04-12 2019-10-17 苏州迪维勒普信息科技有限公司 Remote monitoring system for industrial exhaust gas purification
WO2021000621A1 (en) * 2019-07-04 2021-01-07 广东澄宇实业有限公司 Voc waste gas treatment and purification device and baking finish house provided with same

Similar Documents

Publication Publication Date Title
CN107051137A (en) Spray emission-control equipment
CN104764098A (en) Air comprehensive purifying and regulating method and air comprehensive purifying and regulating device
CN203355584U (en) Treatment equipment for volatile organic pollutant waste gas
CN204534846U (en) Air comprehensive purification adjusting device
CN208436600U (en) A kind of bituminous mixing plant exhaust treatment system
JP4642814B2 (en) Exhaust gas deodorization treatment system for paint drying furnace
CN203437005U (en) Spray paint waste gas purifying and treating system
CN202666674U (en) Low-temperature plasma oil-mist lampblack purifier
CN204214007U (en) Cooking fume remover
CN105311931B (en) Industrial VOCs exhaust gas decomposing, purifying processing method and equipment
CN105148693B (en) A kind of oil smoke organic matter purification method
CN208161366U (en) A kind of exhaust treatment system
CN206823493U (en) Spray emission-control equipment
CN203315988U (en) Combined waste gas purifier
CN206094225U (en) Oil fume purification system
CN204841311U (en) Coating cloud processing system
CN109647114B (en) Flue gas treatment system and process for high-polymer waterproof coiled material production line
CN204093281U (en) A kind of VOCs waste gas treatment device
CN104958985A (en) Paint mist treatment system
CN205199268U (en) Industry VOCs waste gas decomposes purifier treatment equipment
CN206082104U (en) Baking finish house waste gas light oxygen catalysis clarification plant
CN106268122B (en) A kind of cold-rolling emulsion device for purifying gas with peculiar smell and method
CN108043216A (en) A kind of paint exhaust treatment device and method
CN212523550U (en) Industrial VOCs waste gas treatment equipment
CN211562505U (en) Air purifying device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
WD01 Invention patent application deemed withdrawn after publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20170818