CN206121477U - Waste gas low -temperature plasma treatment system of spraying paint - Google Patents
Waste gas low -temperature plasma treatment system of spraying paint Download PDFInfo
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- CN206121477U CN206121477U CN201621151160.7U CN201621151160U CN206121477U CN 206121477 U CN206121477 U CN 206121477U CN 201621151160 U CN201621151160 U CN 201621151160U CN 206121477 U CN206121477 U CN 206121477U
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- waste gas
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Abstract
The utility model discloses a waste gas low -temperature plasma treatment system of spraying paint, its technical scheme main points include gas collecting channel, dry filter, low -temperature plasma treatment ware, alkali lye spray column, centrifugal fan and exhaust duct in proper order, dry filter has waste gas import and exhaust outlet, the wind -collecting cover be used for collecting spray paint waste gas and through the tuber pipe with dry filter's waste gas import links to each other, the low -temperature plasma treatment ware is connected respectively in dry filter's exhaust outlet and alkali lye spray column, and wherein centrifugal fan's air inlet end links to each other with the alkali lye spray column, and centrifugal fan's air -out end links to each other with exhaust duct. Painting system treatment process economical and practical and purification efficiency that this system handled are high.
Description
Technical field
This utility model is related to exhaust treatment system, more particularly to a kind of lacquer spraying waste gas low-temperature plasma processing system.
Background technology
In existing spray painting factory, organic exhaust gas, the master of its organic exhaust gas major pollutants in product painting process, can be produced
Composition is wanted for dust granules thing, benzene,toluene,xylene, NMHC class harmful substance, the waste gas produced if do not processed,
Can affect surrounding air environment quality, and human body respiration or direct effect human body can be passed through, respiratory system, blood to human body,
Cardiopulmonary, liver, mucosa, nerve etc. are damaged, and also can directly be injured people by skin, and are equipped with existing spray painting factory
Exhaust equipment, although can effectively reduce the stop of waste gas in workshop, but waste gas can not effectively be processed, therefore have one
Fixed improvements.
Utility model content
In view of the shortcomings of the prior art, the purpose of this utility model is to provide a kind of lacquer spraying waste gas low-temperature plasma
Processing system, with the characteristic that handling process is economical and practical, purification efficiency is high.
Above-mentioned technical purpose of the present utility model technical scheme is that：
A kind of lacquer spraying waste gas low-temperature plasma processing system, successively including gas skirt, dry filter, low-temperature plasma at
Reason device, alkali liquor spray column, centrifugal blower and discharge duct；
The dry filter has exhaust gas inlet and waste gas outlet, and the gas skirt is used to collect lacquer spraying waste gas and pass through
Airduct is connected with the exhaust gas inlet of the dry filter, and the low-temperature plasma processor is connected to the waste gas of dry filter
Outlet and alkali liquor spray column between, wherein the air intake of centrifugal blower is connected with alkali liquor spray column, the outlet air end of centrifugal blower and
Discharge duct is connected.
By above-mentioned technical proposal, lacquer spraying waste gas are transported to dry filter by airduct after being collected by gas skirt
In, first, suspend through the dust granules in dry filter filtration lacquer spraying waste gas and in there are lacquer spraying waste gas, compare
More delicate paint granule, the preliminary filtration that dry filter is carried out；Secondly, Jing after preliminary filtration, using low-temperature plasma process
Pollutant effect in high energy electron, free radical isoreactivity particle and waste gas in device, makes contaminant molecule in the extremely short time
Inside decompose, be ultimately converted to the materials such as CO2 and H2O, carry out the second step high efficiency filter of waste gas；Then, sprayed by alkali liquor
Tower is drenched for finally being absorbed to waste gas, high-altitude is carried out by centrifugal blower Jing discharge ducts after reaching the requirement for meeting discharge
Discharge, the paint spraying system handling process that the system is processed is economical and practical, and purification efficiency is high.
Preferably, the alkali liquor spray column includes tower body, is sequentially provided with circulating water pool from the bottom to top, enters inside the tower body
QI KOU, the first packing layer, the first spraying layer, the second packing layer, the second spraying layer, gas-liquid separator and gas outlet；
First spraying layer, the second spraying layer pass through pipeline and feeding spraying pump is connected with circulating water pool, the air inlet
It is connected with low-temperature plasma processor, the gas outlet is connected with the air intake of centrifugal blower.
By above-mentioned technical proposal, the spray liquid of spray column is alkali liquor, and alkali liquor is not only with pollutant in absorption waste gas
Purpose, and the purpose of cooling can be played to waste gas, reduce the granule density in waste gas；And pass through the first spraying layer and the second spray
The multilamellar drenched after layer absorbs, good absorbing effect；By the blood circulation constituted with feeding spraying pump and circulating water pool, spray liquid with
It is flowed in circulating water pool after the waste gas reaction of inverse punching, to meet the recycling of spray liquid, more energy-saving and environmental protection, control enterprise
The expenditure cost of industry.
Preferably, first packing layer, the second packing layer adopt plastic honeycomb shape filler, plastic corrugated sheet filler, work
Property Carbon fibe filler or porous silica gel filler.
By above-mentioned technical proposal, when spray liquid is attached on filler with the pollutant in waste gas, existed by alkali liquor
The alkali liquor film energy active adsorption residual formed on first packing layer and the second packing layer pollutant in the offgas, to ensure waste gas
The standard of discharge.
Preferably, the dry filter includes housing and insertion and the filter element in housing.
By above-mentioned technical proposal, by filter element of the insertion in housing, filter element is pacified in the housing and is torn open
It is convenient, when a large amount of adsorption of dust granules of filter element are dirty, changed in time, it is ensured that dry filter is to dust in waste gas
The adsorption effect of granule.
Preferably, the housing is made up of transparent plastic material.
By above-mentioned technical proposal, when the filter element adsorption of dust granule in the housing is dirty, the housing of transparent plastic
Only by naked eyes just it is observed that the pollution level of filter element, facilitates staff to change to which in time.
Preferably, the filter element adopts filter paper or non-weaving cloth.
By the filter element of above-mentioned technical proposal, filter paper and non-weaving cloth construction, not only meet to dust in waste gas
The filter effect of granule, and cost is relatively low, it is easy to and the later stage is changed and safeguards.
Description of the drawings
System structure diagrams of the Fig. 1 for embodiment；
Structural representations of the Fig. 2 for alkali liquor spray column.
Reference：1st, gas skirt；2nd, dry filter；201st, housing；202nd, filter element；
3rd, low-temperature plasma processor；
4th, alkali liquor spray column；401st, tower body；402nd, circulating water pool；403rd, air inlet；404th, the first packing layer；405th, first
Spraying layer；406th, the second packing layer；407th, the second spraying layer；408th, gas-liquid separator；409th, gas outlet；
5th, centrifugal blower；6th, discharge duct；7th, exhaust gas inlet；8th, waste gas outlet；9th, airduct；10th, pipeline；11st, shower water
Pump.
Specific embodiment
This utility model is described in further detail below in conjunction with accompanying drawing.
A kind of lacquer spraying waste gas low-temperature plasma processing system, as shown in figure 1, successively include gas skirt 1, dry filter 2,
Low-temperature plasma processor 3, alkali liquor spray column 4, centrifugal blower 5 and discharge duct 6.
Gas skirt 1 is arranged in workshop for the lacquer spraying waste gas collected, draw in workshop, and gas skirt 1 is overall
In bucket type, at utmost to collect lacquer spraying waste gas, the absorption of 1 lacquer spraying waste gas of gas skirt be by centrifugal blower 5 power is provided come
Draw；Wherein dry filter 2 has exhaust gas inlet 7 and waste gas outlet 8, as workshop has one from the processing system
Fixed distance, so as to gas skirt 1 will be connected with the exhaust gas inlet 7 of dry filter 2 by airduct 9, lacquer spraying waste gas are through dry type
Filter 2 is tentatively filtered, mainly filter the dust granules in lacquer spraying waste gas and suspend in there are lacquer spraying waste gas,
The fine and closely woven paint granule of comparison.
Dry filter 2 includes housing 201 and insertion and the filter element 202 in housing 201 so that filter
Component 202 is convenient to assemble and disassemble, and filter element 202 is easily changed after contaminated.
Filter element 202 mainly adopts filter paper or non-weaving cloth.In one embodiment, filter element made by filter paper
202, its filter paper is made using the micropore filter paper of Jing resin treatment, filter paper porous, loose, in housing 201 in folded state with
Farthest filtered, and which is had certain mechanical strength and water-resistance.
Wherein, housing 201 is made up of transparent plastics material, and staff can pass through the dirt of macroscopy filter element 202
Dye degree, after filter element 202 adsorbs excessive dust granules and paint granule, reaches the saturation of absorption, filter element
Produce large-area pollutant easily to observe by the naked eye on 202 filter paper or non-weaving cloth, to facilitate staff timely
Which is changed, it is ensured that the filter effect of dry filter 2.
Tentatively filter in lacquer spraying waste gas Jing, discharge from the waste gas outlet 8 of dry filter 2 after leaching dust granules therein
After enter in low-temperature plasma processor 3, low-temperature plasma processor 3 is accordingly connected with dry filter 2 by airduct 9,
Second step high efficiency filter is carried out to the lacquer spraying waste gas after preliminary filtration in low-temperature plasma processor 3.
Low temperature plasma is the 4th state of material after solid-state, liquid, gaseous state, when applied voltage reaches putting for gas
During piezoelectric voltage, gas is breakdown, produces including the mixture including electronics, various ions, atom and free radical.In discharge process
Although electron temperature is very high, heavy particle temperature is very low, and whole system is presented low temperature state, therefore becomes low temperature plasma.
Low-temperature plasma degradation pollutant in low-temperature plasma processor 3 are using these high energy electrons, free radical isoreactivity grain
Pollutant effect in son and waste gas, makes contaminant molecule（Benzene,toluene,xylene）Decompose within the extremely short time, and
There are follow-up various reactions to reach the purpose of degradation of contaminant；The DDBD plasmas included in low-temperature plasma processor 3
Precursor reactant area, rich in high material, such as high energy electron, ion, free radical and excited state molecule etc., the polluter in waste gas
The material that can have higher-energy with these reacts, and makes polluter decompose within the extreme time, and occurs follow-up
Various reactions reaching the purpose of degradation of contaminant；Compared with the non-thermal plasma trap produced with traditional corona discharge,
DDBD plasma technology power-discharging densities are 1500 times of corona discharge.
With reference to shown in Fig. 1 and Fig. 2, in lacquer spraying waste gas Jing after low-temperature plasma processor 3 degrades Organic Pollution therein
Coupled alkali liquor spray column 4 will be passed through, alkali liquor spray column 4 has tower body 401, set successively inside tower body 401 from the bottom to top
There are circulating water pool 402, air inlet 403, the first packing layer 404, the first spraying layer 405, the second packing layer 406, the second spraying layer
407th, gas-liquid separator 408 and gas outlet 409；First spraying layer 405, the second spraying layer 407 pass through pipeline 10 and feeding spraying pump
11 are connected with circulating water pool 402, and air inlet 403 is connected with low-temperature plasma processor 3 by airduct 9, and gas outlet 409 passes through wind
Pipe 9 is connected with the air intake of centrifugal blower 5.First packing layer 404, the second packing layer 406 adopt plastic honeycomb shape filler, plastics
Corrugated plate packing, NACF filler or porous silica gel filler.
Lacquer spraying waste gas are entered from air inlet 403, by the filtration of the first packing layer 404, the spray liquid of the first spraying layer 405
Carry out gas-liquid two-phase and be fully contacted absorption, the filtration of the second packing layer 406, the spray liquid of the second spraying layer 407 carry out gas-liquid two
By discharging from gas outlet 409 after gas-liquid separator 408 absorption is fully contacted mutually after, and high idle discharge is carried out by discharge duct 6
Put；As lacquer spraying waste gas are that the offer power air inlet 403 from below of Jing centrifugal blowers 5 is entered, vertically upward with the first spray
The spray liquid of the 405, second spraying layer 407 of layer plays neutralization reaction in the first packing layer 404 and the second packing layer 406, makes waste gas
Concentration is reduced；The spray liquid and lacquer spraying waste gas of reverse contact, both haptoreaction effects are more preferable.
Spray liquid in the circulating water pool 402 of bottom of towe Jing after the pressurization of feeding spraying pump 11, respectively in the first spraying layer 405 and the
Two spraying layers 407 spray and under, it is last be flowed into circulating water pool 402 again in recycle, can effectively save enterprise expenditure into
This.
The above is only exemplary embodiment of the present utility model, not for restriction protection model of the present utility model
Enclose, protection domain of the present utility model is determined by appended claim.
Claims (6)
1. a kind of lacquer spraying waste gas low-temperature plasma processing system, is characterized in that：Include gas skirt (1), dry filter successively
(2), low-temperature plasma processor (3), alkali liquor spray column (4), centrifugal blower (5) and discharge duct (6)；
With exhaust gas inlet (7) and waste gas outlet (8), the gas skirt is used to collect lacquer spraying waste gas the dry filter (2)
And be connected with the exhaust gas inlet (7) of the dry filter (2) by airduct (9), low-temperature plasma processor (3) connection
Between the waste gas outlet (8) and alkali liquor spray column (4) of dry filter (2), the wherein air intake and alkali liquor of centrifugal blower (5)
Spray column (4) is connected, and the outlet air end of centrifugal blower (5) is connected with discharge duct (6).
2. lacquer spraying waste gas low-temperature plasma processing system according to claim 1, is characterized in that：The alkali liquor spray column
(4) including tower body (401), be sequentially provided with inside the tower body (401) from the bottom to top circulating water pool (402), air inlet (403),
First packing layer (404), the first spraying layer (405), the second packing layer (406), the second spraying layer (407), gas-liquid separator
And gas outlet (409) (408)；
First spraying layer (405), the second spraying layer (407) are by pipeline (10) and feeding spraying pump (11) and circulating water pool
(402) it is connected, the air inlet (403) is connected with low-temperature plasma processor (3), the gas outlet (409) and centrifugal blower
(5) air intake is connected.
3. lacquer spraying waste gas low-temperature plasma processing system according to claim 2, is characterized in that：First packing layer
(404), the second packing layer (406) is using plastic honeycomb shape filler, plastic corrugated sheet filler, NACF filler or microporous silicon
Glue filler.
4. lacquer spraying waste gas low-temperature plasma processing system according to claim 1, is characterized in that：The dry filter
(2) including housing (201), and insertion and be arranged on housing (201) in filter element (202).
5. lacquer spraying waste gas low-temperature plasma processing system according to claim 4, is characterized in that：The housing (201) by
Transparent plastic material is made.
6. lacquer spraying waste gas low-temperature plasma processing system according to claim 4, is characterized in that：The filter element
(202) using filter paper or non-weaving cloth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621151160.7U CN206121477U (en) | 2016-10-22 | 2016-10-22 | Waste gas low -temperature plasma treatment system of spraying paint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621151160.7U CN206121477U (en) | 2016-10-22 | 2016-10-22 | Waste gas low -temperature plasma treatment system of spraying paint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206121477U true CN206121477U (en) | 2017-04-26 |
Family
ID=58576542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621151160.7U Active CN206121477U (en) | 2016-10-22 | 2016-10-22 | Waste gas low -temperature plasma treatment system of spraying paint |
Country Status (1)
| Country | Link |
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| CN (1) | CN206121477U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107198950A (en) * | 2017-07-17 | 2017-09-26 | 广州和理新金属科技有限公司 | Flue gas handles environment friendly system |
| CN107661687A (en) * | 2017-11-08 | 2018-02-06 | 福建省骏旗机械工贸有限公司 | A kind of industrial tail gas processing unit |
| CN108514794A (en) * | 2018-04-25 | 2018-09-11 | 绍兴精功环境科技有限公司 | A kind of lacquer spraying waste gas processing equipment and its treatment process |
| CN108607307A (en) * | 2018-05-30 | 2018-10-02 | 无锡艾瑞龙环保科技有限公司 | A kind of novel waste and old plastic granulating emission-control equipment |
| CN109173573A (en) * | 2017-06-30 | 2019-01-11 | 王锦林 | A kind of energy-saving air purification device |
| CN109622552A (en) * | 2018-12-30 | 2019-04-16 | 东莞市达威环保工程有限公司 | A kind of injection molding machine organic waste gas treatment method |
| CN110270570A (en) * | 2018-03-14 | 2019-09-24 | 上海强精金属制品有限公司 | A kind of spraying waste gas recovery utilizes system |
| CN113317207A (en) * | 2021-05-22 | 2021-08-31 | 章国忠 | Sick livestock isolation room that animal doctor's inspection was used |
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2016
- 2016-10-22 CN CN201621151160.7U patent/CN206121477U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109173573A (en) * | 2017-06-30 | 2019-01-11 | 王锦林 | A kind of energy-saving air purification device |
| CN107198950A (en) * | 2017-07-17 | 2017-09-26 | 广州和理新金属科技有限公司 | Flue gas handles environment friendly system |
| CN107661687A (en) * | 2017-11-08 | 2018-02-06 | 福建省骏旗机械工贸有限公司 | A kind of industrial tail gas processing unit |
| CN110270570A (en) * | 2018-03-14 | 2019-09-24 | 上海强精金属制品有限公司 | A kind of spraying waste gas recovery utilizes system |
| CN108514794A (en) * | 2018-04-25 | 2018-09-11 | 绍兴精功环境科技有限公司 | A kind of lacquer spraying waste gas processing equipment and its treatment process |
| CN108514794B (en) * | 2018-04-25 | 2020-04-24 | 中山市典格家居用品有限公司 | Paint spraying waste gas treatment equipment and treatment process thereof |
| CN108607307A (en) * | 2018-05-30 | 2018-10-02 | 无锡艾瑞龙环保科技有限公司 | A kind of novel waste and old plastic granulating emission-control equipment |
| CN109622552A (en) * | 2018-12-30 | 2019-04-16 | 东莞市达威环保工程有限公司 | A kind of injection molding machine organic waste gas treatment method |
| CN113317207A (en) * | 2021-05-22 | 2021-08-31 | 章国忠 | Sick livestock isolation room that animal doctor's inspection was used |
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