CN108579304A - Paint spray booth's purification system and purification method - Google Patents
Paint spray booth's purification system and purification method Download PDFInfo
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- CN108579304A CN108579304A CN201810671535.XA CN201810671535A CN108579304A CN 108579304 A CN108579304 A CN 108579304A CN 201810671535 A CN201810671535 A CN 201810671535A CN 108579304 A CN108579304 A CN 108579304A
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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
-
- 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
- B01D53/02—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 by adsorption, e.g. preparative gas chromatography
- B01D53/04—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 by adsorption, e.g. preparative gas chromatography with stationary adsorbents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B14/00—Arrangements for collecting, re-using or eliminating excess spraying material
- B05B14/40—Arrangements for collecting, re-using or eliminating excess spraying material for use in spray booths
- B05B14/45—Arrangements for collecting, re-using or eliminating excess spraying material for use in spray booths using cyclone separators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B14/00—Arrangements for collecting, re-using or eliminating excess spraying material
- B05B14/40—Arrangements for collecting, re-using or eliminating excess spraying material for use in spray booths
- B05B14/46—Arrangements for collecting, re-using or eliminating excess spraying material for use in spray booths by washing the air charged with excess material
- B05B14/465—Arrangements for collecting, re-using or eliminating excess spraying material for use in spray booths by washing the air charged with excess material using substantially vertical liquid curtains or wetted walls behind the object to be sprayed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/102—Carbon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/90—Odorous compounds not provided for in groups B01D2257/00 - B01D2257/708
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The invention discloses a kind of paint spray booth's purification system and purification methods, it is related to environment protection treatment field, its key points of the technical solution are that, including Drencher spray booth, there is Drencher spray booth a work table, work table to be equipped with Multi-stage water screen filter, and the bottom of the Drencher spray booth connects a waste water purification system, an oil mist purifying system is connected, is had the technical effect that：The particulate matter generated in painting process will be painted and organic gas has all been carried out at the same time purification, improves the effect of air purification, particulate matter and organic gas damage human body when avoiding spray painting；The waste water generated in painting process will be painted to neutralize and remove by reagent, and nonsense is recycled to mist of oil processing, it is energy saving and environmentally friendly.
Description
Technical field
The present invention relates to environmental protection treatment technical field, more particularly to a kind of paint spray booth's purification system and purification method.
Background technology
Containing various organic solvents such as benzene,toluene,xylenes in paint, to the very harmful of human body hematopoietic function.Wherein
Aromatic compound such as benzene, toluene, styrene etc. can also make human body generate distortion, canceration.In painting process, mist paint particle
It evaporates, is discharged into inside and outside paint spray booth with the organic solvent of paint, ecological environment around can be caused seriously to pollute, it is strong to human body
Health causes damages.
Purification mainly relies on Drencher spray booth at present, and Drencher spray booth is wet processing apparatus.It is water curtain before equipment
Plate is overflow launder above water curtain plate, is Multi-stage water screen filter behind water curtain plate.When spray painting, into paint spray booth coating cloud first
It meets, is washed into water tank with water curtain.Remaining coating cloud is intercepted in water when by Multi-stage water screen filter.
The waste water in water and waste residue are not solved effectively this method after a period of use, equally can secondary dirt
Contaminate environment；And water is extremely limited the absorption of paint particle and organic gas, and treatment effect is bad.
Invention content
The purpose of the present invention is to provide a kind of paint spray booth's purification system, has purification mist of oil and water quality, reduces to ring
The advantages of pollution in border.
The present invention above-mentioned technical purpose technical scheme is that：
There is a work table, work table to be equipped with for a kind of paint spray booth's purification system, including Drencher spray booth, Drencher spray booth
The bottom of Multi-stage water screen filter, the Drencher spray booth connects a waste water purification system, and waste water purification system includes that pipeline connects
The first clarifier-tank, the second clarifier-tank and the third clarifier-tank connect, first clarifier-tank and third clarifier-tank are connected to cascade
Paint spray booth constitutes circulation waterway, and A agent is added in first clarifier-tank, adds B agent in the second clarifier-tank, band in third clarifier-tank
Have the first water pump liquid being delivered in Drencher spray booth；
The top of the Drencher spray booth connects an oil mist purifying system, and oil mist purifying system includes connecting with Drencher spray booth pipeline
The single-stage cascade filter connect and the wind turbine with single-stage cascade filter, single-stage cascade filter are equipped with activated carbon mistake compared with front side
Filtering layer is equipped with glass fiber cotton filter layer compared with rear side.
By using the mist of oil that above-mentioned technical proposal, the indoor paint that paints generate, can be incited somebody to action by Multi-stage water screen filter
Mist of oil is intercepted in water, and brings into the first clarifier-tank, and the A agent in the first clarifier-tank is used to removing to fall and paint in water
Viscosity, sterilizing, decompose paint, and water is made to be detached with paint slag；Paint slag in water is aggregated by the B agent in the second clarifier-tank to suspend
Get up, convenient for salvaging.After purification, the waste water in third clarifier-tank can also recycle；
Gaseous mist of oil is extracted by wind turbine, organic gas and peculiar smell in the activated carbon filter layer filtering exhaust gas in pipeline, so
The a small amount of oil contained in exhaust gas is filtered by single-stage cascade filter afterwards, is filtered finally by the glass fiber cotton filter layer in pipeline useless
Particulate matter in gas reaches in the effluent standard to air that can be discharged, and purifies the mist of oil in painting process.
Further setting：The entrance side of the pipeline of the oil mist purifying system is equipped with centrifugal blower, and centrifugal blower, which is equipped with, to be connected
Pass to the air hose in Drencher spray booth.
By using above-mentioned technical proposal, coating cloud exhaust gas enters centrifugal blower, makes oil mist particles molecule in the impeller disk, on piece
Aggregation is hit, Gas inlet tube is got rid of by centrifugal force.10 μm or more of larger mist of oil particle can be effectively removed, removal rate is up to 90% or more；This
A little larger mist of oil particles are transmitted back to again in Drencher spray booth enters waste water purification system processing by Multi-stage water screen filter.
Further setting：The oil mist purifying system further includes external condensing unit, and condensing unit carries cooling tube, cold
But the inlet/outlet pipe of pipe is connected to front side and the forming circuit of centrifugal blower.
By using above-mentioned technical proposal, coating cloud exhaust gas can be increased the grain size of droplet in flue gas, be facilitated access for by condensation
Centrifugal blower is more advantageous to and is purified to coating cloud exhaust gas.
Further setting：The Drencher spray booth includes mutually independent board room and clean room, Multi-stage water screen filter
Including being set to one or more indoor injection pipe of purification, being placed in indoor second water pump of board, the second water pump and injection pipe pipe
Road connects.
By using above-mentioned technical proposal, independent board room and clean room ensure working region and purify point in region
From being independent of each other.
Further setting：The Multi-stage water screen filter further includes the gas-liquid separation plate being set to below injection pipe, gas-liquid point
Polylith, and interlaced setting between the two boards of neighbouring layer is distributed with along Drencher spray booth short transverse from plate, it is most lower
The gas-liquid separation plate of layer connects a hydrops slot, and hydrops slot is connect with the first clarifier-tank pipeline.
By using above-mentioned technical proposal, multiple gas-liquid separation plates are net by two respectively convenient for preferably detaching mist of oil
The processing of change system.
It is a further object of the present invention to provide a kind of paint spray booth's purification methods, have purification mist of oil and water quality, reduction pair
The advantages of pollution of environment.
The present invention above-mentioned technical purpose technical scheme is that：
A kind of paint spray booth's purification method, including a purification method for effluent and a purifying and recovering system method；
Wherein, purification method for effluent is according to the following steps：（1）In the waste water to clean room for extracting the board room of Drencher spray booth；
（2）Waste water is sprayed from eminence to carrying out gas-liquid separation in the gas-liquid separation plate of lower by injection pipe in clean room；
（3）Waste water is by discharge of pipes to the first clarifier-tank, toward addition A agent in the first clarifier-tank by the way of dropping liquid, inciting somebody to action
The oil of waste water dissolves；
（4）By in the discharge of wastewater in the first clarifier-tank to the second clarifier-tank, toward adding in the second clarifier-tank by the way of dropping liquid
Add B agent, the oil dissolved in waste water is agglomerated and is suspended in the upside of waste water；
（5）By in the discharge of wastewater in the second clarifier-tank to third clarifier-tank, stand；
（6）Waste water extraction in third clarifier-tank is emitted into Drencher spray booth and is recycled；
Purifying and recovering system method is according to the following steps：（a）In the waste water to clean room for extracting the board room of Drencher spray booth；
（b）Waste water is sprayed from eminence to carrying out gas-liquid separation in the gas-liquid separation plate of lower by injection pipe in clean room；
（c）Exhaust gas is extracted by wind turbine, organic gas and peculiar smell in exhaust gas are filtered by the activated carbon filter layer in pipeline；
（d）The a small amount of oil contained in exhaust gas is filtered by single-stage cascade filter；
（e）The particulate matter in exhaust gas is filtered by the glass fiber cotton filter layer in pipeline；
（f）Wind turbine extracts the filtered gas of glass fiber cotton filter layer, is emitted into air.
By using the mist of oil that above-mentioned technical proposal, the indoor paint that paints generate, can be incited somebody to action by Multi-stage water screen filter
Mist of oil is intercepted in water, and brings into the first clarifier-tank, and the A agent in the first clarifier-tank is used to removing to fall and paint in water
Viscosity, sterilizing, decompose paint, and water is made to be detached with paint slag；Paint slag in water is aggregated by the B agent in the second clarifier-tank to suspend
Get up, convenient for salvaging.After purification, the waste water in third clarifier-tank can also recycle；
Gaseous mist of oil is extracted by wind turbine, organic gas and peculiar smell in the activated carbon filter layer filtering exhaust gas in pipeline, so
The a small amount of oil contained in exhaust gas is filtered by single-stage cascade filter afterwards, is filtered finally by the glass fiber cotton filter layer in pipeline useless
Particulate matter in gas reaches in the effluent standard to air that can be discharged, and purifies the mist of oil in painting process.
Further setting：In step（c）Before, centrifugal blower is arranged by the entrance side of the pipeline in oil mist purifying system
Exhaust gas is handled, the larger mist of oil particle of 10 μm of removal or more, and mist of oil particle is emitted into Drencher spray booth again again
Secondary filtering.
By using above-mentioned technical proposal, coating cloud exhaust gas enters centrifugal blower, makes oil mist particles molecule in the impeller disk, on piece
Aggregation is hit, Gas inlet tube is got rid of by centrifugal force.10 μm or more of larger mist of oil particle can be effectively removed, removal rate is up to 90% or more；This
A little larger mist of oil particles are transmitted back to again in Drencher spray booth enters waste water purification system processing by Multi-stage water screen filter.
Further setting：In step（c）Before, the waste gas condensation in pipeline is handled, which is located at centrifugation wind
Before machine processing.
By using above-mentioned technical proposal, coating cloud exhaust gas can be increased the grain size of droplet in flue gas, be facilitated access for by condensation
Centrifugal blower is more advantageous to and is purified to coating cloud exhaust gas.
Further setting：In step（3）And step（4）In, the adding speed of A agent and B agent is to drip for 10~15 seconds 1.
By using above-mentioned technical proposal, adding the process of A agent and B agent can carry out under conditions of relatively slow, work
When, waste water is continuously replenished, and A agent and B agent purify in being continuously replenished into waste water.
Further setting：In step（4）In, it is small that the waste water in the first clarifier-tank after addition A agent need to stand 12 hours~24
When.
It by using above-mentioned technical proposal, purifies, is needed through a timing in being continuously replenished into waste water due to A agent
Between, wait for that waste water reacts completely with reagent.
In conclusion the invention has the advantages that：1, the particulate matter that generates and organic will be painted in painting process
Gas has all been carried out at the same time purification, improves the effect of air purification, and particulate matter and organic gas are to human body when avoiding spray painting
It damages；
2, the waste water generated in painting process will be painted to neutralize and remove by reagent, and nonsense is recycled to mist of oil processing
On, it is energy saving and environmentally friendly.
Description of the drawings
Fig. 1 is the structural schematic diagram of paint spray booth's purification system under the first preferred embodiment；
Fig. 2 is the structural schematic diagram of the Multi-stage water screen filter under the first preferred embodiment；
Fig. 3 is the structural schematic diagram of paint spray booth's purification system under second of preferred embodiment.
In figure, 1, work table；2, clean room；3, board room；4, Drencher spray booth；5, Multi-stage water screen filter；6, it sprays
Penetrate pipe；7, the second water pump；8, the first clarifier-tank；9, the second clarifier-tank；10, third clarifier-tank；11, waste water purification system；12,
One water pump；13, gas-liquid separation plate；14, hydrops slot；15, wind turbine；16, single-stage cascade filter；17, activated carbon filter layer；18、
Centrifugal blower；19, air hose；20, condensing unit；21, oil mist purifying system；22, glass fiber cotton filter layer.
Specific implementation mode
Below in conjunction with attached drawing, invention is further described in detail.
The first preferred embodiment：
A kind of paint spray booth's purification system, as shown in Figure 1, including Drencher spray booth 4, Drencher spray booth 4 has a work table 1,
Work table 1 is equipped with Multi-stage water screen filter 5.Drencher spray booth 4 includes mutually independent board room 3 and clean room 2, multistage
Cascade filter 5 includes one or more injection pipe 6 being set in clean room 2, the second water pump 7 for being placed in board room 3, and second
Water pump 7 is connected with 6 pipeline of injection pipe.
As shown in Figure 1, the bottom of Drencher spray booth 4 connects a waste water purification system 11, waste water purification system 11 includes pipe
The first clarifier-tank 8, the second clarifier-tank 9 and the third clarifier-tank 10 of road connection, A agent, the second clarifier-tank are added in the first clarifier-tank 8
B agent is added in 9, the first clarifier-tank 8 and third clarifier-tank 10 are connected to Drencher spray booth 4 and constitute circulation waterway, third purification
With liquid is delivered to the first water pump 12 in Drencher spray booth 4 in pond 10, the first clarifier-tank 8 is then located at eminence, by waste water
It is emitted into the first clarifier-tank 8.
With the elecrtonegativity that must be in waste water, after being contacted with A agent, viscosity is lost after electric charge transfer, forms unstable sound
Fine particle, reach the decomposition to waste water；After adding B not, B agent is by its A agent strong adsorption, since B agent is that long-chain is netted
Macromolecular structure forms it into larger particles and floating situation is presented, is separated from water, to purify water.
After the operation purification of waste water purification system 11, the phenomenon for overcoming circulation fluid system liquid tacky can effectively remove coating cloud
Viscosity, the paint solution being deposited in waste water can agglomerate and swim on liquid level, periodically be discharged, and be not in that system jams are existing
As.
As shown in Fig. 2, Multi-stage water screen filter 5 further includes the gas-liquid separation plate 13 for being set to 6 lower section of injection pipe, gas-liquid separation
Polylith, and interlaced setting between the two boards of neighbouring layer is distributed with along 4 short transverse of Drencher spray booth in plate 13, most lower
The gas-liquid separation plate 13 of layer connects a hydrops slot 14, and hydrops slot 14 is connect with 8 pipeline of the first clarifier-tank.
As shown in Figure 1, Drencher spray booth 4 top connect an oil mist purifying system 21, oil mist purifying system 21 include with
The single-stage cascade filter 16 of 4 pipeline of Drencher spray booth connection and the wind turbine 15 with single-stage cascade filter 16, single-stage cascade mistake
Filter 16 is equipped with activated carbon filter layer 17 compared with front side, and glass fiber cotton filter layer 22 is equipped with compared with rear side.After gas-liquid separation plate 13 detaches
Mist of oil, extracted by wind turbine 15.
Active charcoal filter layer 17 in pipeline, since there is lack of equilibrium and end are full on the surface of activated carbon filter layer 17
Therefore the molecular attraction or chemical bond force of sum when this surface of solids is contacted with gas, can attract gas molecule, keep its dense
Coalescence is maintained at the surface of solids, using the adsorption capacity of the surface of solids, exhaust gas is made to connect with the porous solid substance of large surface
It touches, the pollutant absorption in exhaust gas on the surface, makes it be detached with admixture of gas, achievees the purpose that purification gas.
After purification gas, a small amount of oil contained in exhaust gas is filtered by single-stage cascade filter 16, and by pipeline
Glass fiber cotton filter layer 22 filter exhaust gas in particulate matter, reach the standard that can be emitted into completely in air.
Another preferred embodiment：Difference lies in as shown in figure 3, oil mist purifying system with the first embodiment
The entrance side of 21 pipeline is equipped with centrifugal blower 18, and centrifugal blower 18 is equipped with the air hose 19 being connected in Drencher spray booth 4.
Oil mist purifying system 21 further includes external condensing unit 20, and condensing unit 20 carries cooling tube, cooling tube into
Outlet pipe is connected to the front side of centrifugal blower 18 and forming circuit, cooling device for the pipeline of 18 leading portion of centrifugal blower exhaust gas into
Row cooling, coating cloud exhaust gas can increase the grain size of droplet in flue gas, the colloidal attitude particle coacervation to collide is at grain size by condensation
Big liquid particles facilitate access for centrifugal blower 18, and coating cloud exhaust gas enters centrifugal blower 18, makes oil mist particles molecule in impeller
Disk, on piece hit aggregation, and Gas inlet tube 19 is got rid of by centrifugal force.10 μm or more of larger mist of oil particle can be effectively removed, removal rate reaches
90% or more；These larger mist of oil particles are transmitted back to again in Drencher spray booth 4 enters waste water by Multi-stage water screen filter 5
The processing of purification system 11.
To realize that above-mentioned another preferred embodiment obtains following purification method.
A kind of paint spray booth's purification method, including a purification method for effluent and a purifying and recovering system method.
Wherein, purification method for effluent is according to the following steps：（1）The waste water for extracting the board room 3 of Drencher spray booth 4 extremely purifies
In room 2；
（2）Waste water is sprayed from eminence to the 13 enterprising promoting the circulation of qi liquid of gas-liquid separation plate point of lower by injection pipe 6 in clean room 2
From；
（3）Waste water is by discharge of pipes to the first clarifier-tank 8, toward the 8 inner addition A agent of the first clarifier-tank by the way of dropping liquid,
The oil of waste water is dissolved；
（4）By in the discharge of wastewater in the first clarifier-tank 8 to the second clarifier-tank 9, toward in the second clarifier-tank 9 by the way of dropping liquid
B agent is added, the oil dissolved in waste water is agglomerated and is suspended in the upside of waste water；
（5）By in the discharge of wastewater to third clarifier-tank 10 in the second clarifier-tank 9, stand；
（6）Waste water extraction in third clarifier-tank 10 is emitted into Drencher spray booth 4 and is recycled；
Purifying and recovering system method is according to the following steps：（a）In the waste water to clean room 2 for extracting the board room 3 of Drencher spray booth 4；
（b）Waste water is sprayed from eminence to the 13 enterprising promoting the circulation of qi liquid of gas-liquid separation plate point of lower by injection pipe 6 in clean room 2
From；
（c）Exhaust gas is extracted by wind turbine 15, organic gas and peculiar smell in exhaust gas are filtered by the activated carbon filter layer 17 in pipeline；
（d）The a small amount of oil contained in exhaust gas is filtered by single-stage cascade filter 16；
（e）The particulate matter in exhaust gas is filtered by the glass fiber cotton filter layer 22 in pipeline；
（f）Wind turbine 15 extracts 22 filtered gas of glass fiber cotton filter layer, is emitted into air.
In step（c）Before, centrifugal blower 18 is arranged to exhaust gas by the entrance side of the pipeline in oil mist purifying system 21
It is handled, the larger mist of oil particle of 10 μm of removal or more, and mist of oil particle is emitted into the mistake again of Drencher spray booth 4 again
Filter.
In step（c）Before, the waste gas condensation in pipeline is handled, which is located at 18 processing of centrifugal blower
Before.
In step（3）And step（4）In, the adding speed of A agent and B agent is to drip for 10~15 seconds 1
In step（4）In, the waste water in the first clarifier-tank 8 after addition A agent need to stand 12 hours~24 hours.
The above embodiments are only explanation of the invention, are not limitation of the present invention, people in the art
Member can as needed make the present embodiment the modification of not creative contribution after reading this specification, but as long as at this
It is all protected by Patent Law in the right of invention.
Claims (10)
1. a kind of paint spray booth's purification system, including Drencher spray booth (4), Drencher spray booth (4) has a work table (1), work
Make board (1) and be equipped with Multi-stage water screen filter (5), it is characterised in that：The bottom of the Drencher spray booth (4) connects a waste water
Purification system (11), waste water purification system (11) include the first clarifier-tank (8), the second clarifier-tank (9) and the third of pipeline connection
Clarifier-tank (10), first clarifier-tank (8) and third clarifier-tank (10) are connected to Drencher spray booth (4) and constitute recirculated water
Road, first clarifier-tank (8) is middle to add A agent, and B agent is added in the second clarifier-tank (9), is carried liquid in third clarifier-tank (10)
Body is delivered to the first water pump (12) in Drencher spray booth (4)；
The top of the Drencher spray booth (4) connects an oil mist purifying system (21), and oil mist purifying system (21) includes and cascade
The single-stage cascade filter (16) of paint spray booth (4) pipeline connection and the wind turbine (15) with single-stage cascade filter (16), single-stage water
Curtain filter (16) is equipped with activated carbon filter layer (17) compared with front side, and glass fiber cotton filter layer (22) is equipped with compared with rear side.
2. paint spray booth's purification system according to claim 1, it is characterised in that：The pipeline of the oil mist purifying system (21)
Entrance side be equipped with centrifugal blower (18), centrifugal blower (18), which is equipped with, is connected to air hose (19) in Drencher spray booth (4).
3. paint spray booth's purification system according to claim 2, it is characterised in that：The oil mist purifying system (21) further includes
External condensing unit (20), condensing unit (20) carry cooling tube, and the inlet/outlet pipe of cooling tube is connected to centrifugal blower (18)
Front side and forming circuit.
4. paint spray booth's purification system according to claim 1, it is characterised in that：The Drencher spray booth (4) includes mutual
Independent board room (3) and clean room (2), Multi-stage water screen filter (5) include one or more spray being set in clean room (2)
The second water pump (7) penetrated pipe (6), be placed in board room (3), the second water pump (7) are connected with injection pipe (6) pipeline.
5. paint spray booth's purification system according to claim 4, it is characterised in that：The Multi-stage water screen filter (5) is also wrapped
The gas-liquid separation plate (13) below injection pipe (6) is included, gas-liquid separation plate (13) is distributed along Drencher spray booth (4) short transverse
There are polylith, and interlaced setting between the two boards of neighbouring layer, undermost gas-liquid separation plate (13) to connect a product
Liquid bath (14), hydrops slot (14) are connect with the first clarifier-tank (8) pipeline.
6. a kind of paint spray booth's purification method, it is characterised in that：Including a purification method for effluent and a purifying and recovering system method；
Wherein, purification method for effluent is according to the following steps：（1）The waste water for extracting the board room (3) of Drencher spray booth (4) extremely purifies
In room (2)；
（2）By injection pipe (6) waste water sprayed from eminence in clean room (2) to carrying out in the gas-liquid separation plate (13) of lower
Gas-liquid separation；
（3）Waste water toward the first clarifier-tank (8) is inner by the way that in discharge of pipes to the first clarifier-tank (8), A is added by the way of dropping liquid
The oil of waste water is dissolved in agent；
（4）By in the discharge of wastewater in the first clarifier-tank (8) to the second clarifier-tank (9), purified toward second by the way of dropping liquid
The inner addition B agent in pond (9), the oil dissolved in waste water is agglomerated and is suspended in the upside of waste water；
（5）By in the discharge of wastewater in the second clarifier-tank (9) to third clarifier-tank (10), stand；
（6）Waste water extraction in third clarifier-tank (10) is emitted into Drencher spray booth (4) and is recycled；
Purifying and recovering system method is according to the following steps：（a）The waste water of the board room (3) of Drencher spray booth (4) is extracted to clean room (2)
In；
（b）By injection pipe (6) waste water sprayed from eminence in clean room (2) to carrying out in the gas-liquid separation plate (13) of lower
Gas-liquid separation；
（c）Extract exhaust gas by wind turbine (15), by activated carbon filter layer (17) in pipeline filter in exhaust gas organic gas and
Peculiar smell；
（d）The a small amount of oil contained in exhaust gas is filtered by single-stage cascade filter (16)；
（e）The particulate matter in exhaust gas is filtered by the glass fiber cotton filter layer (22) in pipeline；
（f）Wind turbine (15) extracts glass fiber cotton filter layer (22) filtered gas, is emitted into air.
7. paint spray booth's purification method according to claim 6, it is characterised in that：In step（c）Before, by net in mist of oil
The entrance side setting centrifugal blower (18) of the pipeline of change system (21) handles exhaust gas, the larger mist of oil of 10 μm of removal or more
Particle, and mist of oil particle is emitted into Drencher spray booth (4) again and is filtered again.
8. paint spray booth's purification method according to claim 7, it is characterised in that：In step（c）Before, to useless in pipeline
Gas condensation process, the condensing steps are located at before centrifugal blower (18) processing.
9. paint spray booth's purification method according to claim 6, it is characterised in that：In step（3）And step（4）In, A agent and
The adding speed of B agent is to drip for 10~15 seconds 1.
10. paint spray booth's purification method according to claim 6, it is characterised in that：In step（4）In, the first clarifier-tank (8)
Waste water after interior addition A agent need to stand 12 hours~24 hours.
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