CN103752122B - Paint gas oxidation rinsing tower apparatus - Google Patents
Paint gas oxidation rinsing tower apparatus Download PDFInfo
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- CN103752122B CN103752122B CN201410047808.5A CN201410047808A CN103752122B CN 103752122 B CN103752122 B CN 103752122B CN 201410047808 A CN201410047808 A CN 201410047808A CN 103752122 B CN103752122 B CN 103752122B
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- shower
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- washing chamber
- paint
- paint gas
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Abstract
The invention discloses a kind of paint gas oxidation rinsing tower apparatus, wherein, comprise: washing chamber (1), it has the entrance receiving the paint gas produced from paint spraying, in described washing chamber, the operating path of paint gas is provided with multiple baffle plate, paint gas, through arrival washing chamber, the gap outlet between baffle plate, is provided with the first shower in described washing chamber, broken glutinous agent is ejected in washing chamber under the pumping of the first water pump from the first shower; Oxidizing chamber (2), is wherein provided with the second shower, and oxidant is ejected in oxidizing chamber under the pumping of the second water pump from the second shower, and the pass-through entry of the outlet of described washing chamber and oxidizing chamber; Except hydroecium (3), be wherein provided with except water packing, and oxidizing chamber outlet and the pass-through entry except hydroecium, except hydroecium also has air outlet.Compared to prior art, structure of the present invention is simple, and maintaining is easy, effectively can catch coating cloud and remove stink, effectively can extend the service life of activated carbon tower, reducing Dynamic System cost.
Description
Technical field
The present invention relates to a kind of waste gas processing method and device, be specially a kind of oxidation rinsing tower apparatus being applicable to process spraying industry paint gas.
Background technology
Spray-painting plant can produce coating cloud, Organic Waste Gas Pollution in spraying process.And coating cloud is very easily atomized into particulate under High Pressure, if unprocessed, activated carbon capillary will be blocked very soon, active carbon was lost efficacy.Organic solvent in coating cloud---benzene,toluene,xylenes etc., belong to strong toxic solvents, evaporate in air during operation, and workman, after breathing and sucking, can cause acute and slow poisoning, mainly cause the harm of central nervous system and hemopoietic system.The purification of current coating cloud mainly uses wet washing, there is following shortcoming: containing a large amount of coating cloud and organic solvent in waste gas, have foul odour, severe contamination environment; In waste gas, a large amount of coating cloud easily causes the filler in scrubbing tower to block, and adds maintenance difficulties; In waste gas, solvent (toluene, dimethylbenzene etc.) is not soluble in water, charcoal absorption be leaned on to remove, but the coating cloud that cannot remove completely can block active carbon, reduces the life-span of active carbon, increases replacement frequency.
For the weak point of current common process spraying exhaust device, the present invention devises a kind of novel paint gas oxidation rinsing tower apparatus.
Summary of the invention
A kind of gas oxidation rinsing tower apparatus that paints provided by the invention can remove coating cloud in spraying waste gas and organic solvent effectively, plays greatest benefit and also reduces enterprise's production run cost.Described paint gas oxidation rinsing tower apparatus, comprising:
Washing chamber 1, it has the entrance receiving the paint gas produced from paint spraying, in described washing chamber 1, the operating path of paint gas is provided with multiple baffle plate, paint gas exports through the arrival washing chamber, gap 1 between baffle plate, be provided with the first shower in described washing chamber 1, broken glutinous agent is ejected in washing chamber 1 under the pumping of the first water pump from the first shower;
Oxidizing chamber 2, is wherein provided with the second shower, and oxidant is ejected in oxidizing chamber 2 under the pumping of the second water pump from the second shower, and described washing chamber 1 exports the pass-through entry with oxidizing chamber 2;
Except hydroecium 3, be wherein provided with the packing layer that dewaters, and oxidizing chamber 2 exports and removes hydroecium 3 pass-through entry, except hydroecium 3 also has air outlet.
Preferably, described paint gas oxidation rinsing tower apparatus, wherein, the described air outlet except hydroecium 3 leads to adsorption chamber, is provided with charcoal absorption filler in described adsorption chamber.
Preferably, described paint gas oxidation rinsing tower apparatus, wherein, baffle plate in described washing chamber 1 comprises multiple first baffle plates from the top of washing chamber 1 inwall to downward-extension, multiple second baffle is upwards extended with the below from washing chamber 1 inwall, first baffle plate and second baffle are arranged in pairs, and between the first baffle plate and second baffle, leave paint entraining air stream passage.Described baffle plate can tackle the coating cloud of larger particles effectively, makes it assemble and settles down.
Preferably, described paint gas oxidation rinsing tower apparatus, wherein, described first shower is provided with multiple nozzle, described nozzle is evenly distributed on the first shower pipeline of exporting from washing chamber 1 entrance to washing chamber 1, increase the broken contact surface sticking agent and coating cloud in the spray liquid of described first shower sprinkling, make the larger possible effective gathering sedimentation of coating cloud.
Preferably, described paint gas oxidation rinsing tower apparatus, wherein, described first water pump is arranged on the outside of described washing chamber 1, and be connected with described first shower by pipeline, to the first shower water filling, the part place of described first shower between nozzle and water pump is provided with the first medicament entrance, and described broken glutinous agent joins the water of injection first shower by the first medicament entrance.
Preferably, described paint gas oxidation rinsing tower apparatus, wherein, be provided with porous aggregate in described oxidizing chamber 2, oxidant sprays in described porous aggregate, and the paint gas poured into from the entrance of oxidizing chamber 2 is through the porous aggregate through spray.
Preferably, described paint gas oxidation rinsing tower apparatus, wherein, described second water pump is arranged on the outside of described oxidizing chamber 2, and be connected with described second shower by pipeline, to the second shower water filling, the part place of described second shower between shower nozzle and water pump is provided with the second medicament entrance, and described oxidant joins the water of injection second shower by the second medicament entrance.
Preferably, described paint gas oxidation rinsing tower apparatus, wherein, the second shower between described second medicament entrance and shower nozzle is provided with the first opening, first opening part is provided with ultraviolet lamp tube, ultraviolet synergy is carried out to the water filling adding oxidant, excites the oxidability of oxidant, increase the reaction efficiency of oxidant in the spray liquid that in waste gas, organic solvent and described second shower spray.
Preferably, described paint gas oxidation rinsing tower apparatus, wherein, the second shower between described ultraviolet current potential case and shower nozzle is provided with the second opening, second opening part is provided with ORP electrode, the oxidation-reduction potential that the water filling that Real-Time Monitoring adds oxidant is reacted with organic solvent in paint gas, by the addition of controlled oxidization agent, makes it remain in the scope of 300-500mv.
Compared with prior art, one paint gas oxidation rinsing tower apparatus provided by the invention, utilizes this device can produce following beneficial effect: 1) effectively to catch coating cloud in waste gas, reduces the cleaning frequency of scrubbing tower; 2) can organic solvent in oxidation gaseous effluent effectively, not only reduce the peculiar smell of spray room Exhaust Gas, purified environmental quality, improve activated carbon tower service life, and reduce device power consumption.Apparatus structure in the present invention is simple, easy for installation, and treatment effect is good, and maintenance is simple, is easy to manipulation.
Accompanying drawing explanation
Fig. 1 is paint gas oxidation rinsing tower apparatus schematic diagram of the present invention.
Tu Zhong 1. washing chamber; 2. oxidizing chamber; 3. except hydroecium; 4. automatic discharge circulating water chennel
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further detail, can implement according to this with reference to description word to make those skilled in the art.
With reference to Fig. 1, the invention provides a kind of paint gas oxidation rinsing tower apparatus, comprise, from top to bottom, comprise deaerating chamber 3, oxidizing chamber 2, washing chamber 1 and automatic discharge circulating water chennel 4 successively.
Washing chamber 1, for empty capsid structure, inside be provided with multiple baffle plate and the first shower water pipeline, described baffle plate comprises multiple first baffle plates from the top of washing chamber 1 inwall to downward-extension, multiple second baffle is upwards extended with the below from washing chamber 1 inwall, first baffle plate and second baffle are arranged in pairs, and between the first baffle plate and second baffle, leave paint entraining air stream passage.Paint gas to be entered by described washing chamber 1 air inlet, through the gap between baffle plate, and in the spray liquid of the first shower ejection under broken glutinous agent effect, paint gas is abolished stickiness gathering and is deposited at the bottom of tower, and the waste gas after purification arrives washing chamber 1 and exports.In addition, described first shower is connected with the first water pump by pipeline, and described first water pump is connected with described circulating water chennel, and described first water pump is to the first shower water filling.
Oxidizing chamber 2, for empty capsid structure, porous aggregate layer and the second shower is had in it, the air inlet of described oxidizing chamber 2 is communicated with the gas outlet of described washing chamber 1, and the spray liquid of described second shower ejection is sprayed on porous aggregate layer, and waste gas enters from air inlet, through porous aggregate layer, oxidant effect on organic solvent in waste gas and porous aggregate layer in spray liquid, removing organic solvent, waste gas arrives the gas outlet of oxidizing chamber 2.In addition, described second shower is connected with the second water pump by pipeline, and described second water pump is connected with described circulating water chennel, and described second water pump is to the second shower water filling.
Except hydroecium 3, be provided with porous in it except water packing, and oxidizing chamber 2 outlet is communicated with, except hydroecium 3 also has air outlet with the entrance except hydroecium 3; The described air outlet except hydroecium 3 leads to adsorption chamber, is provided with charcoal absorption filler in described adsorption chamber.
Automatic discharge circulating water chennel 4, is provided with overfall, can realize automatic discharge;
The medicament added in first shower in washing chamber 1 is special broken glutinous agent, and coating cloud stickiness can be abolished by broken glutinous agent effectively, reduces coating cloud adhering device and occluding device, maintains easily, reduce the cleaning frequency of scrubbing tower.
Washing chamber 1 and oxidizing chamber 2 connectivity part are provided with the catch basin that has baffle plate, store oxidizing chamber 2 and to condense the water of backflow containing oxidant and the primary oxidation waste gas by catch basin.
The medicament added in second shower in oxidizing chamber 2 is oxidant.Oxidant and the organic solvent generation redox reaction passed through in oxidizing chamber 2 waste gas, and UV electronic box and electrode is provided with on the second shower end.Described UV electronic box can have the effect of ultraviolet synergy to the oxidant added in the second shower, excite the reactivity of oxidant; Described motor can monitor the oxidation-reduction potential that in the water filling and paint gas adding oxidant, organic solvent reacts, by the addition of controlled oxidization agent, it is made to remain in the scope of 300-500mv, the organic solvent in waste gas can be removed well, and can stink be reduced, activated carbon tower service life can also be extended.
Specific embodiment
1) spraying waste gas enters in washing chamber 1 from air inlet, through the interception of multiple baffle plate, and under the effect of broken glutinous agent in spray liquid, coating cloud particle aggregation larger in waste gas is deposited in bottom paint gas oxidation rinsing tower apparatus, enter in automatic discharge circulating water pool 4, special broken glutinous agent in the spray liquid that first shower sprays, atomization forms moisture film layer by layer, catch the fine particle (as paint particle, toluene particle, dimethylbenzene particle) in waste gas, abolish the stickiness of particle, assemble and form bulky grain sedimentation, solid and gas is separated, and gas is purified.
2) waste gas purified enters oxidizing chamber 2 from the connection pore of centre, and before entering oxidizing chamber 2, waste gas contacts containing oxidant catch basin with connectivity part, carries out primary oxidation reactor.
3) waste gas through primary oxidation enters oxidizing chamber 2, and the oxidant in the spray liquid of the second shower ejection and the organic solvent generation oxidation reaction in waste gas, remove organic solvent.
4) enter except hydroecium 3 through snperoxiaized waste gas, through porous adsorption stuffing layer, remove the moisture in gas, discharge paint gas oxidation rinsing tower apparatus.
Although embodiment of the present invention are open as above, but it is not restricted to listed in description and embodiment utilization, it can be applied to various applicable the field of the invention completely, for those skilled in the art, can easily realize other amendment, therefore do not deviating under the universal that claim and equivalency range limit, the present invention is not limited to specific details and illustrates here and the legend described.
Claims (9)
1. paint a gas oxidation rinsing tower apparatus, it is characterized in that, comprising:
Washing chamber (1), it has the entrance receiving the paint gas produced from paint spraying, in described washing chamber, the operating path of paint gas is provided with multiple baffle plate, paint gas is through arrival washing chamber, the gap outlet between baffle plate, be provided with the first shower in described washing chamber, broken glutinous agent is ejected in washing chamber (1) under the pumping of the first water pump from the first shower;
Oxidizing chamber (2), wherein be provided with the second shower, oxidant is ejected in oxidizing chamber under the pumping of the second water pump from the second shower, and the pass-through entry of described washing chamber (1) outlet and oxidizing chamber (2), described second shower end is provided with ORP electrode, described ORP electrode is used for the oxidation-reduction potential in Real-Time Monitoring shower water, by the addition of controlled oxidization agent, makes described oxidation-reduction potential remain in the scope of 300-500mv;
Except hydroecium (3), be wherein provided with except water packing, and oxidizing chamber (2) outlet and the pass-through entry except hydroecium (3), except hydroecium (3) also has air outlet.
2. paint gas oxidation rinsing tower apparatus as claimed in claim 1, it is characterized in that, the described air outlet except hydroecium (3) leads to adsorption chamber, is provided with charcoal absorption filler in described adsorption chamber.
3. paint gas oxidation rinsing tower apparatus as claimed in claim 1, it is characterized in that, baffle plate in described washing chamber (1) comprises multiple first baffle plates from the top of washing chamber's inwall to downward-extension, multiple second baffle is upwards extended with the below from washing chamber (1) inwall, first baffle plate and second baffle are arranged in pairs, and between the first baffle plate and second baffle, leave paint entraining air stream passage.
4. paint gas oxidation rinsing tower apparatus as claimed in claim 3, it is characterized in that, described first shower is provided with multiple nozzle, and described nozzle is evenly distributed on the first shower pipeline of exporting from washing chamber (1) entrance to washing chamber (1).
5. paint gas oxidation rinsing tower apparatus as claimed in claim 4, it is characterized in that, described first water pump is arranged on the outside of described washing chamber (1), and be connected with described first shower by pipeline, to the first shower water filling, the part place of described first shower between nozzle and water pump is provided with the first medicament entrance, and described broken glutinous agent is joined in the water of the first shower by the first medicament entrance.
6. paint gas oxidation rinsing tower apparatus as claimed in claim 5, it is characterized in that, described oxidizing chamber is provided with porous aggregate in (2), and oxidant sprays on described porous aggregate, and the paint gas poured into from the entrance of oxidizing chamber (2) is through the porous aggregate through spraying liquid.
7. paint gas oxidation rinsing tower apparatus as claimed in claim 6, it is characterized in that, described second shower extends two different shower nozzles of height in oxidizing chamber (2).
8. paint gas oxidation rinsing tower apparatus as claimed in claim 7, it is characterized in that, it is outside that described second water pump is arranged on described oxidizing chamber (2), and be connected with described second shower by pipeline, to the second shower water filling, the part place of described second shower between shower nozzle and water pump is provided with the second medicament entrance, and described oxidant is joined in the water of the second shower by the second medicament entrance.
9. paint gas oxidation rinsing tower apparatus as claimed in claim 8, it is characterized in that, the second shower between described second medicament entrance and shower nozzle arranges the first opening, and the first opening part is provided with ultraviolet lamp tube, carries out ultraviolet synergy to the shower water adding oxidant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410047808.5A CN103752122B (en) | 2014-02-11 | 2014-02-11 | Paint gas oxidation rinsing tower apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410047808.5A CN103752122B (en) | 2014-02-11 | 2014-02-11 | Paint gas oxidation rinsing tower apparatus |
Publications (2)
| Publication Number | Publication Date |
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| CN103752122A CN103752122A (en) | 2014-04-30 |
| CN103752122B true CN103752122B (en) | 2015-11-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410047808.5A Expired - Fee Related CN103752122B (en) | 2014-02-11 | 2014-02-11 | Paint gas oxidation rinsing tower apparatus |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108465356A (en) * | 2017-12-25 | 2018-08-31 | 襄阳光瑞汽车零部件有限公司 | Spray exhaust treatment system |
| CN108854398A (en) * | 2018-07-24 | 2018-11-23 | 苏州水木康桥环境工程技术有限公司 | A kind of photolytic activity carbon purifying device |
| CN109821377A (en) * | 2019-03-18 | 2019-05-31 | 南京蓝胜环保科技有限公司 | A kind of NOx, HF, HCl, caustic soda mist and inertia tail gas absorption processing unit and technique |
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| CN202427304U (en) * | 2011-12-07 | 2012-09-12 | 东莞市华纬涂装设备有限公司 | Integrated treatment tank for coating exhaust |
| CN102755818A (en) * | 2011-04-26 | 2012-10-31 | 深圳市鼎盛达模具发展有限公司 | UV spray painting waste gas purification system and method |
| CN102772972A (en) * | 2012-07-19 | 2012-11-14 | 葫芦岛市滨海宇通自动化控制有限公司 | Paint mist purification treatment device |
| CN102784550A (en) * | 2012-08-28 | 2012-11-21 | 孙金魁 | System for treatment of spraying organic waste gas by circulating liquid curtain |
| US20130061969A1 (en) * | 2011-09-13 | 2013-03-14 | Tokyo Electron Limited | Exhaust trap |
| CN203017880U (en) * | 2012-08-28 | 2013-06-26 | 孙金魁 | Circulating liquid curtain vapor phase oxidation process waste gas treatment system |
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2014
- 2014-02-11 CN CN201410047808.5A patent/CN103752122B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102755818A (en) * | 2011-04-26 | 2012-10-31 | 深圳市鼎盛达模具发展有限公司 | UV spray painting waste gas purification system and method |
| US20130061969A1 (en) * | 2011-09-13 | 2013-03-14 | Tokyo Electron Limited | Exhaust trap |
| CN202427304U (en) * | 2011-12-07 | 2012-09-12 | 东莞市华纬涂装设备有限公司 | Integrated treatment tank for coating exhaust |
| CN102772972A (en) * | 2012-07-19 | 2012-11-14 | 葫芦岛市滨海宇通自动化控制有限公司 | Paint mist purification treatment device |
| CN102784550A (en) * | 2012-08-28 | 2012-11-21 | 孙金魁 | System for treatment of spraying organic waste gas by circulating liquid curtain |
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| CN103752122A (en) | 2014-04-30 |
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Granted publication date: 20151111 Termination date: 20160211 |
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