CN207401353U - A kind of spray painting and drying tunnel waste gas treatment equipment - Google Patents

A kind of spray painting and drying tunnel waste gas treatment equipment Download PDF

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Publication number
CN207401353U
CN207401353U CN201721200507.7U CN201721200507U CN207401353U CN 207401353 U CN207401353 U CN 207401353U CN 201721200507 U CN201721200507 U CN 201721200507U CN 207401353 U CN207401353 U CN 207401353U
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CN
China
Prior art keywords
spray
filter
waste gas
water
gas treatment
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Expired - Fee Related
Application number
CN201721200507.7U
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Chinese (zh)
Inventor
冯兰松
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Zhejiang Green Clean Environmental Technology Co Ltd
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Zhejiang Green Clean Environmental Technology Co Ltd
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Priority to CN201721200507.7U priority Critical patent/CN207401353U/en
Application granted granted Critical
Publication of CN207401353U publication Critical patent/CN207401353U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides a kind of spray painting and drying tunnel waste gas treatment equipment, belongs to technical field of waste gas treatment.It, which solves existing spray column, needs to consume substantial amounts of water resource and electric energy, make exhaust gas processing high energy consumption, it is of high cost, do not save, not environmentally the problems such as.The utility model include spray column, demister, photooxidation purifier, arranged on the pressure fan of processing equipment forepart and the exhaust blower of afterbody, the first filter device is equipped between exhaust gas inlet port and spray column, the second filter device is equipped between spray column and demister, water circle device is connected with below the spray column, the water circle device includes multistage lautertuns, recirculated water conveyance conduit and the water pump being connected.The utility model has the advantage of by the water circle device set below spray column and the first filter device being respectively arranged on before and after spray column, the second filter device, make waste gas treatment equipment using more environmentally-friendly saving, it is more preferable to the clean-up effect of exhaust gas.

Description

A kind of spray painting and drying tunnel waste gas treatment equipment
Technical field
The utility model belongs to technical field of waste gas treatment, is related to a kind of waste gas treatment equipment, more particularly to a kind of spray painting With the processing equipment of drying tunnel exhaust gas.
Background technology
In industrial production, some products need to carry out spray treatment, spray and drying course in the paint slag that can generate and Exhaust gas containing organic pollution (VOC) causes certain pollution to plant area and ambient enviroment.According to related environmental requirement, need VOC is effectively treated, reaches the discharge standard of national regulation, farthest reduces the influence to ambient enviroment.
A kind of lacquer spraying waste gas processing equipment and its treatment process of the prior art, it include spray column, de- mist resistant filter, Active carbon adsorber, catalytic combustion system, air inlet, cyclic water tank, air-introduced machine;Recirculated water is connected on the spray column Case, spray column are connected by air-introduced machine with de- mist resistant filter, and de- mist resistant filter is connected with active carbon adsorber, active carbon adsorber Both ends be connected with catalytic combustion system;The side wall of the spray column is provided with air inlet.
The shortcomings that prior art is:Spray column in existing waste gas treatment equipment needs a large amount of water passing through spraying system Vaporific (or droplet) is formed, is contacted with the exhaust gas of reverse flow in tower body, the pollutant in gas is transmitted to liquid In, then clean gas separated with contaminated liquids, it thus needs to consume substantial amounts of water resource and electric energy, makes the place of exhaust gas Reason high energy consumption, it is of high cost, do not save, not environmentally.
Utility model content
The purpose of this utility model is for present in a kind of existing lacquer spraying waste gas processing equipment and its treatment process The above problem, and propose it is a kind of can realize that spray column is recycled with water, the spray painting of environmental protection and saving and drying tunnel exhaust-gas treatment are set It is standby.
The purpose of this utility model can be realized by following technical proposal:
A kind of spray painting and drying tunnel waste gas treatment equipment, successively including spray column, demister, photooxidation purifier, be arranged on The pressure fan of processing equipment forepart and the exhaust blower of afterbody, which is characterized in that the is equipped between exhaust gas inlet port and spray column One filter device, is equipped with the second filter device between spray column and demister, and being connected with water below the spray column follows Loop device, the water circle device include multistage lautertuns, recirculated water conveyance conduit and the water pump being connected, spray column bottom Equipped with discharge outlet, for chopped-off head lautertuns with discharge outlet with connecting, tail grade lautertuns is equipped with circulating water outlet, water pump one end and recirculated water Outlet, the other end are connected with recirculated water conveyance conduit, and recirculated water conveyance conduit end is connected to the inside on spray column top Spray water sending device.
In above-mentioned a kind of spray painting and drying tunnel waste gas treatment equipment, first filter device includes the first babinet and sets Filter residue recycling and processing device in the bottom of the first babinet, first babinet are interior equipped with the first several vertical and parallel filtering Layer, first filter layer include the first parallel filter screen of two panels and the granular filler between the first filter screen.
In above-mentioned a kind of spray painting and drying tunnel waste gas treatment equipment, the spray column is divided into multi-stage spray area, per adjacent The second filter layer is equipped between two spraying zones, the second filter layer includes the second parallel filter screen of two panels and arranged on the second filtering Absorption filler material between net, the spray water sending device are included on the several sparge pipes sprayed on inner wall of tower, sparge pipe It is equipped at intervals with several spray heads.
In above-mentioned a kind of spray painting and drying tunnel waste gas treatment equipment, the water circle device includes multi-stage filtration purifying Area, the 3rd filter layer is equipped between adjacent Liang Ge filtration, purifications area, and the 3rd filter layer includes the 3rd parallel filter screen of two panels And the decontamination particle between the 3rd filter screen.
In above-mentioned a kind of spray painting and drying tunnel waste gas treatment equipment, second filter device includes the second babinet and sets The turnover grid groove in the second babinet, the grid groove is in the form of annular discs and is vertically disposed in the second babinet, The distance between two neighboring grid groove is more than the radius of grid groove, is equipped with activated carbon in the grid groove, grid groove is opposite Both ends be equipped with overturning button, the overturning button is connected fixation with second case in vivo grid groove through the second babinet is outer, described the Two babinet upper ends be equipped with activated carbon input port, the second babinet lower end be equipped with activated carbon outlet, and the second tank floor be to The inclined latticed inclined surface of activated carbon outlet.
In above-mentioned a kind of spray painting and drying tunnel waste gas treatment equipment, the demister includes demisting housing, in demisting Curved baffle, gas whirling device and activated carbon adsorption unit are equipped in housing successively, demisting housing tip is equipped with exhaust outlet, bottom End is equipped with air inlet and liquid level regulation device, and curved baffle is arranged at air inlet, and bottom is equipped with absorbable in demisting housing Or the solvent of dissolving coating cloud.
In above-mentioned a kind of spray painting and drying tunnel waste gas treatment equipment, the photooxidation purifier includes ultraviolet light generator And catalytic unit, the ultraviolet light generator include controller, ballast and ultraviolet tube, the catalytic unit is bag The aluminium base TiO2 nets being trapped among outside ultraviolet tube.
Compared with prior art, the utility model by the water circle device that is set below spray column and is respectively arranged on The first filter device, the second filter device before and after spray column make waste gas treatment equipment using more environmentally-friendly saving, to exhaust gas Clean-up effect is more preferable.
Description of the drawings
Fig. 1 is waste gas treatment equipment flow chart.
Fig. 2 is the second filter device internal structure schematic diagram.
In figure, 1, spray column;2nd, demister;3rd, photooxidation purifier;4th, pressure fan;5th, exhaust blower;6th, the first filtering Device;7th, the second filter device;8th, water circle device;9th, lautertuns;10th, recirculated water conveyance conduit;11st, water pump;12nd, draining Mouthful;13rd, circulating water outlet;14th, the first filter layer;15th, the second filter layer;16th, the 3rd filter layer;17th, sparge pipe;18th, spray Head;19th, grid groove;20th, gas whirling device;21st, activated carbon adsorption unit;22nd, button is overturn;23rd, activated carbon input port; 24、 Activated carbon outlet;25th, inclined surface;
Specific embodiment
It is specific embodiment of the utility model and with reference to attached drawing below, the technical solution of the utility model is made further Description, but the utility model is not limited to these embodiments.
As shown in Figure 1, a kind of spray painting and drying tunnel waste gas treatment equipment, exhaust gas by pressure fan 4 and exhaust blower 5 blow according to It is secondary by the first filter device 6, spray column 1, the second filter device 7, demister 2 and photooxidation purifier 3 are handled most It is discharged afterwards from effluent standard mouth.
As shown in Figure 1,1 lower section of spray column is connected with water circle device 8, the water circle device 8 includes multistage Lautertuns 9, recirculated water conveyance conduit 10 and water pump 11, by multistage filtering slot 9 by used sewage in spray column 1 by Grade carries out filtration, purification, and by water pump 11 clear water after filtering is transported to from recirculated water conveyance conduit 10 in spray column 1 into Row water recycles, and the water of recycling makes the more environmentally-friendly saving of the use of waste gas treatment equipment, and to prevent because of recirculated water It is bad to the treatment effect of exhaust gas, the first filter device 6 and the second filter device 7 are respectively equipped with before and after spray column 1, by more The filtration treatment of a equipment does not interfere with the treatment effect of exhaust gas.
As shown in Figure 1, the water circle device 8 includes multi-stage filtration purifying area, between adjacent Liang Ge filtration, purifications area Equipped with the 3rd filter layer 16, the 3rd filter layer 16 includes the 3rd parallel filter screen of two panels and removing between the 3rd filter screen Dirty particle in the present embodiment, is divided into three-stage filtration purifying area, used sewage step by step by three-stage filtration purifying area, 1 bottom of spray column is equipped with discharge outlet 12, and for chopped-off head lautertuns 9 with discharge outlet 12 with connecting, tail grade lautertuns 9 is equipped with circulating water outlet 13,11 one end of water pump is connected with circulating water outlet 13, and the other end is connected with recirculated water conveyance conduit 10, recirculated water conveyance conduit 10 End is connected to the inside spray water sending device on 1 top of spray column, recycles water by the water circle device 8, saves ring It protects.
As shown in Figure 1, first filter device 6 includes the first babinet and the filter residue arranged on the bottom of the first babinet recycles Processing unit, first babinet is interior to be equipped with the first several vertical and parallel filter layer 14, and first filter layer 14 includes The first parallel filter screen of two panels and the granular filler between the first filter screen, the first filter device 6 pass through the first filtering The impurity such as dust, iron filings particle in the tentatively filtering exhaust gas of layer 14, prevent granule foreign from entering in spray column 1.
As shown in Figure 1, the spray column 1 divides for multi-stage spray area, per two neighboring spraying zone between be equipped with the second filtering Layer 15, the second filter layer 15 include the second parallel filter screen of two panels and the absorption filler material between the second filter screen, on Stating spray water sending device includes the several sparge pipes 17 being arranged on 1 inner wall of spray column, several sprays are equipped at intervals on sparge pipe 17 Pollutant in gas is transmitted in liquid, is then incited somebody to action again clear using the contact between gas and liquid by leaching first 18, spray column 1 Clean gas is separated with contaminated liquids, achievees the purpose that purify air, exhaust gas uses gas-liquid conversed absorption side via scrubbing tower Formula processing, i.e., liquid from tower top downwards with vaporific (or droplet) spray and under, exhaust gas then from bottom of towe to tower top flowing (inversely Stream) achieve the purpose that gas-liquid contact, this processing mode can cool down exhaust gas, removal particle and purification gas.
As shown in Fig. 2, second filter device 7 includes the second babinet and the turnover grid groove in the second babinet 19, the grid groove 19 is in the form of annular discs and is vertically disposed in the second babinet, between two neighboring grid groove 19 Distance is more than the radius of grid groove 19, and activated carbon is equipped in the grid groove 19, and the opposite both ends of grid groove 19 are equipped with overturning Button 22, the overturning button 22 passes through is connected fixation with second case in vivo grid groove 19 outside the second babinet, on second babinet End is equipped with activated carbon input port 23, and the second babinet lower end is equipped with activated carbon outlet 24, and the second tank floor is to activity Activated carbon is laid on the grid of the top from activated carbon input port 23 by the inclined latticed inclined surface 25 of charcoal outlet 24 It on slot 19, rotates rotation button 22 and overturns the grid groove 19, activated carbon overturning is made to drop in next grid groove 19, is overturn one by one Activated carbon is laid in grid groove 19 by grid groove 19 successively from top to bottom, when needing replacing activated carbon, rotates rotation button 22 Activated carbon in the grid groove 19 of the top is turned in next grid groove 19, one by one overturn grid groove 19 by activated carbon from Top to bottm is dropped to successively on the latticed inclined surface 25 of bottom, because inclined inclined surface 25 makes activated carbon be discharged from activated carbon Discharge is slid in mouth 24, when or else needing replacing activated carbon, activated carbon input port 23 and activated carbon outlet 24 pass through baffle Closure, latticed inclined surface 25 enable exhaust gas from inclined surface 25 by being filtered, and are not influencing the effect of the filtering to exhaust gas On the basis of fruit, replacement activated carbon is simple to operate, time saving and energy saving.
As shown in Figure 1, the demister 2 includes demisting housing, curved baffle, gas are equipped with successively in demisting housing Swirl-flow devices 20 and activated carbon adsorption unit 21, demisting housing tip are equipped with exhaust outlet, and activated carbon adsorption unit 21 is close to exhaust Mouth is set, and bottom is equipped with air inlet and liquid level regulation device, and curved baffle is arranged at air inlet, in curved baffle and activated carbon At least provided with two gas whirling devices 20 between adsorbent equipment 21, bottom is equipped with absorbable or dissolving coating cloud in demisting housing Solvent.Exhaust gas is entered from air inlet in demister 2 by being arranged under the blower negative pressure effect of waste gas treatment equipment afterbody, first The coating cloud in exhaust gas and fine dust are settled first with curved baffle, and utilize the solvent (such as machine oil) of demisting housing bottom Infiltration and absorbing reaction are in contact, solvent level is adjusted by liquid level regulation device, while realizes the adjusting control reaction time, it is curved Treated that gas continues to rise for bent baffle, passes through gas whirling device 20 and removes remaining oil droplet in gas using cyclonic action With coating cloud dust, to make exhaust-gas treatment better, in the present embodiment, gas whirling device 20 revolves there are two setting through gas Flowing device 20, treated that gas ascends into activated carbon adsorption unit 21, utilizes the absorption property removal VOC that activated carbon is excellent.
As shown in Figure 1, the photooxidation purifier includes ultraviolet light generator and catalytic unit, ultraviolet light hair Raw device includes controller, ballast and ultraviolet tube, and the catalytic unit is aluminium base TiO2 nets, is enclosed in ultraviolet tube Outside, photochemical catalytic oxidation area lower part is equipped with exhaust inlet pipe and exhaust gas gas distribution pipe, and the ultraviolet tube is high intensity, high ozone Ultraviolet tube.Light aluminium base TiO2 nets are irradiated by ultraviolet light, are allowed to generate energetic charges-electron hole pair, and Under the participation of the substances such as aerial water, oxygen, the volatile organic compounds for being attached to aluminium base TiO2 net surfaces is made to be changed into two The process of carbonoxide, water and other inorganic molecules substances, so as to be nontoxic and pollution-free net gas by exhaust gas conversion.
During equipment use, the impurity such as the preliminary filtering particle of lacquer spraying waste gas through the first filter device 6 enter spray It drenches tower 1 and removes paint particle adhesive aggregation object, by the water circle device 8 for being arranged on 1 lower section of spray column the use of spray column 1 is made more to save Environmental protection, the exhaust gas from spray column 1 out enter back into the second filter device 7 and carry out secondary filter, made by the second filter device 7 It replaces activated carbon and is more convenient practicality, the exhaust gas after filtering enters back into de- mist device 2 moisture removal and tiny paint adhesive aggregation Exhaust gas conversion through de- mist device 2 treated exhaust gas recycles photooxidation purifier 3 is afterwards most nontoxic and pollution-free net by object Gas, through present treatment device, treated that gas reaches《Discharge standard of air pollutants》(GB16297-1997) two level is discharged It is discharged after standard by exhaust outlet.
It should be understood that in claims, specification in the utility model, all " including ... " should be understood as out The meaning of formula is put, that is, its meaning is equal to " at least containing ... ", and should not be construed as enclosed meaning, is i.e. its meaning It should not be construed " only including ... ".
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute Described specific embodiment can be done various modifications or additions or using similar by belonging to those skilled in the art Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.

Claims (7)

1. a kind of spray painting and drying tunnel waste gas treatment equipment, successively including spray column (1), demister (2), photooxidation purifier (3), arranged on the pressure fan (4) of processing equipment forepart and the exhaust blower (5) of afterbody, which is characterized in that in exhaust gas inlet port and spray It drenches between tower (1) equipped with the first filter device (6), the second filter device is equipped between spray column (1) and demister (2) (7), water circle device (8) is connected with below the spray column (1), the water circle device (8) includes what multistage was connected Lautertuns (9), recirculated water conveyance conduit (10) and water pump (11), spray column (1) bottom are equipped with discharge outlet (12), chopped-off head filtering For slot (9) with discharge outlet (12) with connecting, tail grade lautertuns (9) is equipped with circulating water outlet (13), water pump (11) one end and recirculated water (13) connection is exported, the other end is connected with recirculated water conveyance conduit (10), and recirculated water conveyance conduit (10) end is connected to spray The inside spray water sending device on tower (1) top.
2. a kind of spray painting according to claim 1 and drying tunnel waste gas treatment equipment, which is characterized in that the first filtering dress Putting (6) includes the first babinet and the filter residue recycling and processing device arranged on the bottom of the first babinet, if being equipped in first babinet Dry vertical and parallel the first filter layer (14), first filter layer (14) include the first parallel filter screen of two panels and are arranged on Granular filler between first filter screen.
3. a kind of spray painting according to claim 1 or 2 and drying tunnel waste gas treatment equipment, which is characterized in that the spray column (1) it is divided into multi-stage spray area, the second filter layer (15) is equipped between every two neighboring spraying zone, the second filter layer (15) includes two The second parallel filter screen of piece and the absorption filler material between the second filter screen, the spray water sending device include being arranged on spray Several sparge pipes (17) on tower (1) inner wall are drenched, several spray heads (18) are equipped at intervals on sparge pipe (17).
4. a kind of spray painting according to claim 1 and drying tunnel waste gas treatment equipment, which is characterized in that the water circle device (8) include multi-stage filtration purifying area, the 3rd filter layer (16), the 3rd filter layer being equipped between adjacent Liang Ge filtration, purifications area (16) the 3rd parallel filter screen of two panels and the decontamination particle between the 3rd filter screen are included.
5. a kind of spray painting according to claim 1 and drying tunnel waste gas treatment equipment, which is characterized in that the second filtering dress Putting (7) includes the second babinet and the turnover grid groove (19) in the second babinet, and the grid groove (19) is in the form of annular discs and edge Vertical direction is disposed in the second babinet, and the distance between two neighboring grid groove (19) is more than the half of grid groove (19) Footpath, activated carbon is equipped on the grid groove (19), and the opposite both ends of grid groove (19) are equipped with overturning button (22), the overturning button (22) fixation is connected with second case in vivo grid groove (19) through the second babinet is outer, the second babinet upper end is equipped with activated carbon Input port (23), the second babinet lower end is equipped with activated carbon outlet (24), and the second tank floor is to activated carbon outlet (24) inclined latticed inclined surface (25).
6. a kind of spray painting according to claim 1 and drying tunnel waste gas treatment equipment, which is characterized in that the demister (2) include demisting housing, be equipped with curved baffle, gas whirling device (20) and activated carbon adsorption unit successively in demisting housing (21), demisting housing tip is equipped with exhaust outlet, and bottom is equipped with air inlet and liquid level regulation device, and curved baffle is arranged on air inlet Place, bottom is equipped with absorbable or dissolving coating cloud solvent in demisting housing.
7. a kind of spray painting according to claim 1 and drying tunnel waste gas treatment equipment, which is characterized in that the photooxidation purification dress Putting (3) includes ultraviolet light generator and catalytic unit, and the ultraviolet light generator includes controller, ballast and ultraviolet lamp Pipe, the catalytic unit is the aluminium base TiO2 nets being enclosed in outside ultraviolet tube.
CN201721200507.7U 2017-09-19 2017-09-19 A kind of spray painting and drying tunnel waste gas treatment equipment Expired - Fee Related CN207401353U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721200507.7U CN207401353U (en) 2017-09-19 2017-09-19 A kind of spray painting and drying tunnel waste gas treatment equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721200507.7U CN207401353U (en) 2017-09-19 2017-09-19 A kind of spray painting and drying tunnel waste gas treatment equipment

Publications (1)

Publication Number Publication Date
CN207401353U true CN207401353U (en) 2018-05-25

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CN201721200507.7U Expired - Fee Related CN207401353U (en) 2017-09-19 2017-09-19 A kind of spray painting and drying tunnel waste gas treatment equipment

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108905460A (en) * 2018-06-12 2018-11-30 张福旺 A kind of purification device and purification method of painting workshop exhaust-gas treatment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108905460A (en) * 2018-06-12 2018-11-30 张福旺 A kind of purification device and purification method of painting workshop exhaust-gas treatment

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GR01 Patent grant
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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180525

Termination date: 20200919