CN109499329A - A kind of water paint emission-control equipment and technique - Google Patents
A kind of water paint emission-control equipment and technique Download PDFInfo
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- CN109499329A CN109499329A CN201910005664.XA CN201910005664A CN109499329A CN 109499329 A CN109499329 A CN 109499329A CN 201910005664 A CN201910005664 A CN 201910005664A CN 109499329 A CN109499329 A CN 109499329A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/75—Multi-step processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/60—Combinations of devices covered by groups B01D46/00 and B01D47/00
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0258—Other waste gases from painting equipments or paint drying installations
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- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
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- Health & Medical Sciences (AREA)
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- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Treating Waste Gases (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention belongs to waste gas treatment equipment technical fields, in particular to a kind of water paint emission-control equipment, water including passing sequentially through pipeline connection revolves paint mist treatment cabinet, filtration, purification room, photodissociation catalytic purification room, active carbon purifying room, blowdown stack, and the blower of driving exhaust gas flowing is provided between water rotation paint mist treatment cabinet and filtration, purification room；Water curtain and spray equipment are provided in water rotation paint mist treatment cabinet, and water revolves paint mist treatment cabinet treated that exhaust gas further adsorbs the coating cloud particle in exhaust gas through filtering the secondary filter of clean room, and removes the steam in removing exhaust gas；Exhaust gas after removing steam enters photodissociation catalytic purification room, the organic matter for being not readily dissolved in water in exhaust gas is removed by photodissociation, adsorb remaining organic matter and foul gas substance in exhaust gas in active carbon purifying room, it finally handles qualified exhaust gas to be discharged from blowdown stack, the purpose of the present invention is to provide a kind of cleaning effect number, maintains easily the water paint emission-control equipment of cleaning.
Description
Technical field
The invention belongs to waste gas treatment equipment technical field, in particular to a kind of water paint emission-control equipment.
Background technique
Spray painting is a kind of common paint application method, will paint dispersion by spray gun by means of air pressure when use
At uniform and fine droplet, a kind of method for imposing on the surface of coated article is applied, the construction period of spraying is shorter, in short-term energy
The feeding of complete large area, convenient for producing in enormous quantities, and the product surface that spraying process comes out, smooth exquisiteness good hand touch, therefore
It is widely used in industrial production, but paint atomizing in painting process, the paint of atomization are largely attached to product surface, but
Be some paint loss in air, these meetings for having of paint are attached on machine, influence the normal use of machine,
Some meetings influence the health of worker by worker's suction body, thus now most of factory in emission-control equipment,
The gas containing paint exhaust gas is subjected to adsorption treatment by emission-control equipment, common emission-control equipment has eddy flow tower,
Eddy flow tower has the characteristics that operational load and operating flexibility are big, mass-transfer efficiency is high, anti-blocking performance is strong, but common currently on the market
There are still following deficiencies for eddy flow tower: eddy flow tower height degree is mostly higher, it has not been convenient to install and use；And eddy flow tower is only capable of in processing exhaust gas
It is dissolved in the impurity of water, but the foul gas substance in exhaust gas cannot be painted, influences environmental sanitation.
Summary of the invention
In order to overcome the defects of the prior art, the object of the present invention is to provide a kind of cleaning effect number, maintain easily it is clear
The water paint emission-control equipment of reason.
The object of the present invention is achieved like this:
A kind of water paint emission-control equipment, the water including passing sequentially through pipeline connection revolve paint mist treatment cabinet, filtration, purification
Room, photodissociation catalytic purification room, active carbon purifying room, blowdown stack are provided between water rotation paint mist treatment cabinet and filtration, purification room
Drive the blower of exhaust gas flowing；
The water curtain and spray equipment of absorption coating cloud particle are provided in the water rotation paint mist treatment cabinet, water revolves paint mist treatment cabinet
Treated, and exhaust gas further adsorbs the coating cloud particle in exhaust gas through filtering the secondary filter of clean room, and goes in removing exhaust gas
Steam；Exhaust gas after removing steam enters photodissociation catalytic purification room, is removed in exhaust gas by photodissociation and is not readily dissolved in the organic of water
Remaining organic matter and foul gas substance in exhaust gas are adsorbed in object, active carbon purifying room, finally handle qualified exhaust gas from discharge
It is discharged in chimney.
The water rotation paint mist treatment cabinet includes cabinet body and the water curtain plate being fixed in cabinet body, and water curtain plate separates cabinet body
Inlet plenum and reaction chamber are formed, is connected between inlet plenum and reaction chamber by venthole, is provided with effluent trough above inlet plenum,
Medical fluid in effluent trough flows out and forms the water curtain for adsorbing paint on water curtain plate；
Be provided with the spray equipment for spraying medical fluid in the reaction chamber, and for reaction indoor gas flow into
The baffle of row guiding, the baffle tilts down setting in the reaction chamber, and reaction chamber is divided to the airflow channel to form S-shaped,
And the medical fluid sprayed in spray equipment forms water curtain on baffle；The reaction chamber bottom is provided with filtering trough, on baffle
Medical fluid enters in filtering trough through baffle water conservancy diversion.
The filtering trough bottom is provided with return water box, and filtering trough bottom is provided with inclined deflector, filtering trough
In liquid through deflector water conservancy diversion concentrate enter return water box.
The filter cotton of granule foreign and steam in removing exhaust gas is provided in the middle part of the filtration, purification room, filter cotton is in cylinder
Shape, exhaust gas enter filter cotton center, are discharged by filter cotton filtering from filter cotton surrounding.
Several photodissociation units are provided in photodissociation catalytic purification room, photodissociation unit includes being detachably connected with shell
Mounting rack is provided with several fluorescent tubes and the lamp holder with fluorescent tube cooperation on mounting rack.
Photodissociation catalytic purification room side is provided with maintenance door three, and installation photodissociation list is provided in photodissociation catalytic purification room
The sliding seat of member, photodissociation unit and sliding seat pass through fastener to fixation, and when fastener is removed, photodissociation unit and sliding
The opposite sliding of seat, and taken out from maintenance door three.
Photodissociation catalytic purification room includes several photodissociation purifying tanks for combining installation, is passed through between photodissociation purifying tank tight
Firmware is fixedly connected, and several photodissociation units are provided in photodissociation purifying tank.
It is provided with adsorbent chamber in the active carbon purifying room, the filter assemblies for adsorbing exhaust gas are provided in adsorbent chamber,
The filter assemblies include several filter elements, and filter element combines the filter assemblies for forming labyrinth type in adsorbent chamber, and will
Adsorbent chamber is divided into exhaust gas chamber and cleaning chamber.
Active carbon purifying room side is provided with maintenance door four, and mounting base, mounting base are provided in active carbon purifying room
In be provided with resettlement groove for installing filter assemblies, and resettlement groove side is provided with the opening passed through for filter assemblies, filtering
When component installation or maintenance, maintenance door four, filter assemblies sliding opposite with resettlement groove are opened, and pass through opening, from maintenance door four
Middle taking-up.
A kind of water paint waste gas treatment process using water paint emission-control equipment described in claim 1, the processing
Technique carries out as steps described below:
Step 1: medical fluid absorption: being flowed using blower driving exhaust gas, exhaust gas by water curtain and spray, and with water curtain and spray
Medical fluid in leaching comprising lacquer mist coagulant AB agent contacts；
Step 2: filter cotton absorption: the exhaust gas of flowing is by the filtering of filter cotton, and filter cotton is by the granule foreign in exhaust gas
Filtering, and by the water vapor absorption in exhaust gas；
Step 3: photodissociation: exhaust gas is irradiated through UV light source, is converted to organic matter and the foul gas mass degradation in exhaust gas
Low molecular compound, water and carbon dioxide；
Step 4: active carbon filtering: exhaust gas is filtered by activated carbon adsorption, and foul gas substance remaining in exhaust gas is inhaled
It receives；
Step 5: it discharge: is discharged after wasted nickel catalyst is qualified.
The present invention is prominent and beneficial compared with prior art to be had the technical effect that
1, water paint emission-control equipment of the present invention includes water rotation paint mist treatment cabinet, filtration, purification room, photodissociation catalysis
Clean room, active carbon purifying room, water rotation paint mist treatment cabinet remove most of coating cloud particle in removing exhaust gas, and filtration, purification room is then filtered
Remaining fraction coating cloud particle in exhaust gas, and the steam in exhaust gas is removed, photodissociation catalytic purification room will be given up by ultraviolet light
Organic matter and foul gas substance decomposition in gas, and since filtration, purification room is by water vapor absorption, avoid photodissociation catalytic purification
Humidity is excessive in room, to influence the service life of photodissociation catalytic purification room, last exhaust gas passes through the adsorption treatment of active carbon, into
One step by exhaust gas organic matter and foul gas substance remove, active carbon purifying room is arranged finally, avoiding in the structure
The frequent cleaning and maintenance of active carbon purifying room.
2, it is provided with the water curtain and spray equipment of absorption coating cloud particle in water rotation paint mist treatment cabinet of the present invention, passes through water
Curtain and spray equipment make exhaust gas and the abundant reactive absorption of medical fluid, and the reaction chamber bottom is provided with filtering trough, the medicine on baffle
Liquid enters in filtering trough through baffle water conservancy diversion, by filtering trough by the medical filtration in filtering trough, recycles medical fluid
It utilizes；The filtering trough bottom is provided with return water box, and filtering trough bottom is provided with inclined deflector, in filtering trough
Liquid is concentrated through deflector water conservancy diversion enters return water box, and return water box has the characteristic of block steam and drain water, exhaust gas is avoided to pass through filtering trough
Loss influences the processing of exhaust gas.
3, the filter cotton of granule foreign and steam in removing exhaust gas, filtering are provided in the middle part of filtration, purification room of the present invention
Cotton is cylindrical in shape, and exhaust gas enters filter cotton center, is discharged by filter cotton filtering from filter cotton surrounding, which further clears up useless
Coating cloud particle in gas, and the steam generated in water rotation paint mist treatment cabinet is eliminated, avoid steam from entering photodissociation catalytic purification room,
Lead in photodissociation catalytic purification room that humidity is excessive, influences the service life of electric elements in photodissociation catalytic purification room.
4, several photodissociation units are provided in photodissociation catalytic purification of the present invention room, photodissociation unit includes removable with shell
The mounting rack of connection is unloaded, several fluorescent tubes and the lamp holder with fluorescent tube cooperation are provided on mounting rack, which will using mounting rack
Several fluorescent tubes and lamp holder combination facilitate the combination of photodissociation unit to install；Photodissociation catalytic purification room side is provided with maintenance door
Three, the sliding seat of installation photodissociation unit is provided in photodissociation catalytic purification room, photodissociation unit and sliding seat pass through fastener pair
It is fixed, and when fastener is removed, the sliding opposite with sliding seat of photodissociation unit, and taken out from maintenance door three, which is convenient for
The assembling of photodissociation catalytic purification room is repaired, and photodissociation catalytic purification room includes several photodissociation purifying tanks for combining installation, and photodissociation is net
Change and be fixedly connected between cabinet by fastener, several photodissociation units is provided in photodissociation purifying tank, user, which can increase, to add deduct
Lack photodissociation purifying tank to adjust the scale of photodissociation catalytic purification room, is adjusted according to their needs convenient for user.
5, it is provided with adsorbent chamber in active carbon purifying room of the present invention, the mistake for adsorbing exhaust gas is provided in adsorbent chamber
Component is filtered, the filter assemblies include several filter elements, and filter element combines the filtering group for forming labyrinth type in adsorbent chamber
Part, and adsorbent chamber is divided into exhaust gas chamber and cleaning chamber, the filter assemblies of labyrinth type are convenient between increase exhaust gas chamber and cleaning chamber
Filter area, it is user-friendly convenient for reducing the volume of active carbon purifying room；Active carbon purifying room side is provided with
Maintenance door four is provided with mounting base in active carbon purifying room, the resettlement groove for installing filter assemblies is provided in mounting base, and
Resettlement groove side is provided with the opening passed through for filter assemblies and opens maintenance door four, filtering group when filter assemblies are installed or repaired
Part sliding opposite with resettlement groove, and opening is passed through, it is taken out from maintenance door four, which replaces installation filtering group convenient for user
Part, convenient for users to installation maintenance.
6, water paint waste gas treatment process of the present invention includes medical fluid absorption, filter cotton absorption, photodissociation, active carbon filtering
And discharge, the paint particle in exhaust gas is adsorbed completely by medical fluid absorption and filter cotton absorption in the technique, and due to medical fluid
Most paint particle in exhaust gas has been adsorbed, to keep the service life of filter cotton longer, has avoided frequently replacing filter cotton, has been saved
Production cost is saved, and photodissociation and active carbon filtering then can remove the foul gas substance in exhaust gas, by the exhaust gas of photodissociation
Foul gas substance is less, avoids the frequent replacement of active carbon.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the cross-sectional view of water rotation paint mist treatment cabinet in the present invention；
Fig. 3 is the cross-sectional view of filtration, purification room in the present invention；
Fig. 4 is the partial enlarged view of three opening state of maintenance door at A in Fig. 1 of the present invention；
Fig. 5 is the cross-sectional view of active carbon purifying room in the present invention；
Fig. 6 is the structural schematic diagram of mounting base in the present invention；
Fig. 7 is process flow chart of the invention.
Figure label meaning: 1- water revolves paint mist treatment cabinet；2- blower；3- filtration, purification room；4- photodissociation catalytic purification room；5-
Active carbon purifying room；6- water curtain plate；7- blowdown stack；11- maintenance door one；12- perfusion tube；13- infusion pump；31- maintenance door two；
32- filter cotton；41- maintenance door three；42- photodissociation unit；43- sliding seat；44- photodissociation purifying tank；51- maintenance door four；52- sealing
Plate；53- mounting base；54- filter assemblies；61- effluent trough；62- baffle；63- spray equipment；64- deflector；65- filtering trough；
66- return water box；421- mounting rack；422- lamp holder；423- fluorescent tube；431- resettlement groove；432- opening.
Specific embodiment
With specific embodiment, the invention will be further described with reference to the accompanying drawing:
Referring to shown in Fig. 1 to Fig. 7, a kind of water paint emission-control equipment, the water rotation including passing sequentially through pipeline connection is painted
Mist handles cabinet 1, filtration, purification room 3, photodissociation catalytic purification room 4, active carbon purifying room 5, blowdown stack 7, and water revolves paint mist treatment cabinet 1
The blower 2 of driving exhaust gas flowing is provided between filtration, purification room 3；
The water curtain and spray equipment 63 of absorption coating cloud particle are provided in the water rotation paint mist treatment cabinet 1, water revolves at coating cloud
Treated the exhaust gas of cabinet 1 is managed through filtering the secondary filter of clean room 3, further adsorbs the coating cloud particle in exhaust gas, and is removed useless
Steam in gas；Exhaust gas after removing steam enters photodissociation catalytic purification room 4, is removed in exhaust gas by photodissociation and is not readily dissolved in water
Organic matter, active carbon purifying room 5 adsorbs remaining organic matter and foul gas substance in exhaust gas, finally handles qualified exhaust gas
It is discharged from blowdown stack 7.
Heretofore described water rotation paint mist treatment cabinet 1 includes cabinet body and the water curtain plate 6 being fixed in cabinet body, water curtain plate
Cabinet body is separated to form inlet plenum and reaction chamber by 6, is connected between inlet plenum and reaction chamber by venthole, is set above inlet plenum
It is equipped with effluent trough 61, the medical fluid outflow in effluent trough 61 is simultaneously formed on water curtain plate 6 for adsorbing the water curtain painted, preferably described
6 middle part of water curtain plate contacts to form water curtain convenient for the medical fluid in effluent trough 61 to inlet plenum protrusions with water curtain plate 6；
Be provided with the spray equipment 63 for spraying medical fluid in the reaction chamber, be provided on water rotation paint mist treatment cabinet 1 with
The setting of the perfusion tube 12 and infusion pump 13 that spray equipment 63 connects, spray equipment 63 comes into full contact with convenient for exhaust gas with medical fluid, just
It is additionally provided in the cleaning effect for improving exhaust gas, in reaction chamber for flowing the baffle 62 being oriented to, the baffle to gas
62 tilt down setting in the reaction chamber, and reaction chamber is divided to the airflow channel to form S-shaped, and sprayed in spray equipment 63
Medical fluid forms water curtain on baffle 62, which is conducive to that air-flow is made to form eddy flow, and medical fluid forms water curtain on baffle 62, just
In contact of the medical fluid with exhaust gas, the reaction chamber bottom is provided with filtering trough 65, and the medical fluid on baffle 62 is through 62 water conservancy diversion of baffle
Into in filtering trough 65,65 bottom of filtering trough is provided with return water box 66, and 65 bottom of filtering trough is provided with inclined water conservancy diversion
Plate 64, the liquid in filtering trough 65 is concentrated through 64 water conservancy diversion of deflector enters return water box 66, which is conducive to medicine after reaction
The collection of liquid is filtered, and the setting of return water box 66, avoids exhaust gas loss from filtering trough 65, user-friendly, preferably
Water rotation 1 side of paint mist treatment cabinet is provided with maintenance door 1, convenient for users to the cleaning and maintenance to water rotation paint mist treatment cabinet 1.
The filter cotton 32 of granule foreign and steam in removing exhaust gas, filter cotton 32 are provided in the middle part of the filtration, purification room 3
It is cylindrical in shape, exhaust gas enters 32 center of filter cotton, is discharged by the filtering of filter cotton 32 from 32 surrounding of filter cotton, which is conducive to mention
The filter efficiency of high exhaust gas, is preferably provided with maintenance door 2 31 on filtration, purification room 3, user is convenient in the setting of maintenance door 2 31
Replace filter cotton 32.
Several photodissociation units 42 are provided in photodissociation catalytic purification room 4, photodissociation unit 42 includes being detachably connected with shell
Mounting rack 421, the lamp holder 422 that several fluorescent tubes 423 are provided on mounting rack 421 and are cooperated with fluorescent tube 423, which utilizes
Mounting rack 421 combines several fluorescent tubes 423 with lamp holder 422, and the combination of photodissociation unit 42 is facilitated to install；The photodissociation catalytic purification
4 side of room is provided with maintenance door 3 41, and the sliding seat 43 of installation photodissociation unit 42, photodissociation are provided in photodissociation catalytic purification room 4
Unit 42 and sliding seat 43 pass through fastener to fixation, and when fastener is removed, photodissociation unit 42 and sliding seat 43 are opposite
Sliding, and taken out from maintenance door 3 41, which repairs convenient for the assembling of photodissociation catalytic purification room 4.
It is preferred that photodissociation catalytic purification room 4 includes several photodissociation purifying tanks 44 for combining installation, photodissociation purifying tank 44
Between be fixedly connected by fastener, several photodissociation units 42 are provided in photodissociation purifying tank 44, user, which can increase, to add deduct
Lack photodissociation purifying tank 44 to adjust the scale of photodissociation catalytic purification room 4, is adjusted according to their needs convenient for user.
It is provided with adsorbent chamber in the active carbon purifying room 5, the filter assemblies for adsorbing exhaust gas are provided in adsorbent chamber
54, the filter assemblies 54 include several filter elements, and filter element combines the filter assemblies for forming labyrinth type in adsorbent chamber
54, it is provided with wind deflector 52 between filter assemblies 54, adsorbent chamber is divided into exhaust gas chamber and cleaning by wind deflector 52 and filter assemblies 54
Chamber, the filter assemblies 54 of labyrinth type are convenient for increasing exhaust gas chamber and cleaning the filter area between chamber, convenient for reducing active carbon purifying
The volume of room 5, it is user-friendly.
It is preferred that 5 side of active carbon purifying room is provided with maintenance door 4 51, mounting base is provided in active carbon purifying room 5
53, the resettlement groove 431 for installing filter assemblies 54 is provided in mounting base 53, and 431 side of resettlement groove is provided with for filtering
The opening 432 that component 54 passes through opens maintenance door 4 51, filter assemblies 54 and resettlement groove when filter assemblies 54 are installed or repaired
431 opposite slidings, and opening 432 is passed through, it is taken out from maintenance door 4 51, which replaces installation filter assemblies convenient for user
54, convenient for users to installation maintenance.
A kind of water paint waste gas treatment process using above-mentioned water paint emission-control equipment, the treatment process is under
State step progress:
Step 1: medical fluid absorption: driving exhaust gas to flow using blower 2, exhaust gas by water curtain and spray, and with water curtain and spray
Medical fluid in leaching comprising lacquer mist coagulant AB agent contacts；
Step 2: filter cotton absorption: the exhaust gas of flowing is by the filtering of filter cotton 32, and filter cotton 32 is by the particle in exhaust gas
Contaminant filter, and by the water vapor absorption in exhaust gas；
Step 3: photodissociation: exhaust gas is irradiated through UV light source, is converted to organic matter and the foul gas mass degradation in exhaust gas
Low molecular compound, water and carbon dioxide；
Step 4: active carbon filtering: exhaust gas is filtered by activated carbon adsorption, and foul gas substance remaining in exhaust gas is inhaled
It receives；
Step 5: it discharge: is discharged after wasted nickel catalyst is qualified.
The water paint waste gas treatment process includes medical fluid absorption, filter cotton absorption, photodissociation, active carbon filtering and discharges,
The paint particle in exhaust gas is adsorbed by medical fluid absorption and filter cotton absorption completely in the technique, and is given up since medical fluid has adsorbed
Most paint particle in gas avoids frequently replacing filter cotton 32 to keep the service life of filter cotton 32 longer, saves life
Cost is produced, and photodissociation and active carbon filtering then can remove the foul gas substance in exhaust gas, by stench in the exhaust gas of photodissociation
Gaseous matter is less, avoids the frequent replacement of active carbon.
Above-described embodiment is only presently preferred embodiments of the present invention, is not limited the scope of the invention according to this, therefore: it is all according to
The equivalence changes that structure of the invention, shape, principle are done, should all be covered by within protection scope of the present invention.
Claims (10)
1. a kind of water paint emission-control equipment, it is characterised in that: the water including passing sequentially through pipeline connection revolves paint mist treatment cabinet
(1), filtration, purification room (3), photodissociation catalytic purification room (4), active carbon purifying room (5), blowdown stack (7), water revolve paint mist treatment
The blower (2) of driving exhaust gas flowing is provided between cabinet (1) and filtration, purification room (3)；
The water curtain and spray equipment (63) of absorption coating cloud particle are provided in water rotation paint mist treatment cabinet (1), water revolves at coating cloud
Managing cabinet (1) treated, exhaust gas further adsorbs the coating cloud particle in exhaust gas through filtering the secondary filter of clean room (3), and goes
Steam in removing exhaust gas；Exhaust gas after removing steam enters photodissociation catalytic purification room (4), is removed in exhaust gas and is not easy by photodissociation
It is dissolved in the organic matter of water, active carbon purifying room (5) adsorb remaining organic matter and foul gas substance in exhaust gas, and finally processing is closed
The discharge from blowdown stack (7) of the exhaust gas of lattice.
2. a kind of water paint exhaust-gas treatment shaft according to claim 1, it is characterised in that: the water revolves paint mist treatment cabinet
It (1) include cabinet body and the water curtain plate (6) being fixed in cabinet body, cabinet body is separated to form inlet plenum and anti-by water curtain plate (6)
Room is answered, is connected between inlet plenum and reaction chamber by venthole, is provided with effluent trough (61) above inlet plenum, in effluent trough (61)
Medical fluid outflow and on water curtain plate (6) formed for adsorb paint water curtain；
Be provided with the spray equipment (63) for spraying medical fluid in the reaction chamber, and for reaction indoor gas flow into
The baffle (62) of row guiding, the baffle (62) tilts down setting in the reaction chamber, and reaction chamber is divided to the gas to form S-shaped
Circulation road, and the medical fluid sprayed in spray equipment (63) forms water curtain on baffle (62)；The reaction chamber bottom was provided with
Drainage trap (65), the medical fluid on baffle (62) enter in filtering trough (65) through baffle (62) water conservancy diversion.
3. a kind of water paint emission-control equipment according to claim 2, it is characterised in that: filtering trough (65) bottom
Portion is provided with return water box (66), and filtering trough (65) bottom is provided with inclined deflector (64), the liquid in filtering trough (65)
Body is concentrated through deflector (64) water conservancy diversion enters return water box (66).
4. a kind of water paint emission-control equipment according to claim 1, it is characterised in that: the filtration, purification room (3)
Middle part is provided with the filter cotton (32) of granule foreign and steam in removing exhaust gas, and filter cotton (32) is cylindrical in shape, and exhaust gas enters filtering
Cotton (32) center is discharged by filter cotton (32) filtering from filter cotton (32) surrounding.
5. a kind of water paint emission-control equipment according to claim 1, it is characterised in that: photodissociation catalytic purification room
(4) several photodissociation units (42) are provided in, photodissociation unit (42) includes the mounting rack (421) being detachably connected with shell, peace
It shelves and is provided with several fluorescent tubes (423) and the lamp holder (422) with fluorescent tube (423) cooperation on (421).
6. a kind of water paint emission-control equipment according to claim 4, it is characterised in that: photodissociation catalytic purification room
(4) side is provided with maintenance door three (41), and the sliding seat of installation photodissociation unit (42) is provided in photodissociation catalytic purification room (4)
(43), photodissociation unit (42) and sliding seat (43) pass through fastener to fixation, and when fastener is removed, photodissociation unit (42)
It is opposite with sliding seat (43) to slide, and taken out from maintenance door three (41).
7. a kind of water paint emission-control equipment according to claim 5, it is characterised in that: photodissociation catalytic purification room
It (4) include several photodissociation purifying tanks (44) for combining installation, photodissociation purifying tank is fixedly connected between (44) by fastener, light
Several photodissociation units (42) are provided in solution purifying tank (44).
8. a kind of water paint emission-control equipment according to claim 1, it is characterised in that: the active carbon purifying room
(5) it is provided with adsorbent chamber in, the filter assemblies (54) for adsorbing exhaust gas, filter assemblies (54) packet are provided in adsorbent chamber
Several filter elements are included, filter element combines the filter assemblies (54) for forming labyrinth type in adsorbent chamber, and adsorbent chamber is divided into
Exhaust gas chamber and cleaning chamber.
9. a kind of water paint emission-control equipment according to claim 7, it is characterised in that: the active carbon purifying room
(5) side is provided with maintenance door four (51), is provided in active carbon purifying room (5) mounting base (53), setting in mounting base (53)
There is the resettlement groove (431) for installing filter assemblies (54), and resettlement groove (431) side is provided with and passes through for filter assemblies (54)
Opening (432), when filter assemblies (54) installation or maintenance, open maintenance door four (51), filter assemblies (54) and resettlement groove
(431) opposite sliding, and opening (432) is passed through, it is taken out from maintenance door four (51).
10. a kind of water paint waste gas treatment process using water paint emission-control equipment described in claim 1, feature exist
In: the treatment process carries out as steps described below:
Step 1: medical fluid absorption: being flowed using blower (2) driving exhaust gas, exhaust gas by water curtain and spray, and with water curtain and spray
In comprising lacquer mist coagulant AB agent medical fluid contact；
Step 2: filter cotton absorption: the exhaust gas of flowing is by the filtering of filter cotton (32), and filter cotton (32) is by the particle in exhaust gas
Contaminant filter, and by the water vapor absorption in exhaust gas；
Step 3: photodissociation: exhaust gas is irradiated through UV light source, and the foul gas mass degradation in exhaust gas is made to be converted to low molecule chemical combination
Object, water and carbon dioxide；
Step 4: active carbon filtering: exhaust gas is filtered by activated carbon adsorption, by foul gas material absorbing remaining in exhaust gas；
Step 5: it discharge: is discharged after wasted nickel catalyst is qualified.
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Application publication date: 20190322 |