CN205867917U - Spray paint waste gas treatment system - Google Patents
Spray paint waste gas treatment system Download PDFInfo
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- CN205867917U CN205867917U CN201620813850.8U CN201620813850U CN205867917U CN 205867917 U CN205867917 U CN 205867917U CN 201620813850 U CN201620813850 U CN 201620813850U CN 205867917 U CN205867917 U CN 205867917U
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- pipeline
- valve
- desorption
- plate
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Abstract
The utility model relates to an organic waste gas treatment facility specifically is a spray paint waste gas treatment system, include the exhaust gas source that sprays paint, dry filter, adsorption tank, main exhaust fan and the chimney that concatenate in proper order on the pipeline, the pipeline section of the pipeline of adsorption tank's air inlet position department communicates through a bypass pipe with the pipeline section of the pipeline of adsorption tank's gas outlet position department, has set gradually desorption catalytic burner, desorption fan, mixed flow heat exchanger on the bypass pipe, is provided with the nitrogen gas jar at desorption catalytic burner inlet end, desorption catalytic burner's last cavity passes through connecting pipe II and atmosphere switch -on, is provided with the air admission valve on this connecting pipe II, the mixed flow heat exchanger passes through connecting pipe III and atmosphere switch -on, is provided with governing valve and mixed flow fan on this connecting pipe III. The utility model discloses because structure and the advantage that has are: the waste gas dust content, adsorption tank life, use have been prolonged cost is reduced with improved the safety in utilization.
Description
Technical field
This utility model relates to organic waste gas treatment equipment, especially a kind of reduction exhaust gas and dust content, prolongation adsorption box
Service life, reduction use cost and the lacquer spraying waste gas processing system of raising safety in utilization.
Background technology
The lacquer spraying waste gas of prior art processes to be usually and first uses washing, then adsorbs, the equipment required for this type of technique
It is typically all water scrubber and adsorption box, adsorption box arranges activated carbon, the most external flue, finally drains into air.At class formation
When processing lacquer spraying waste gas, due to the non-organic exhaust gas of lacquer spraying waste gas, in waste gas during organic granular too high levels, pipe interior wind speed
May produce electrostatic time too high to ignite pipeline internal gas, safety is low；Meanwhile, the adsorption box area of passage one of prior art
Fixed, need diameter very big when processing the waste gas of Wind Volume, cause floor space very big, equipment volume is huge, causes great sky
Between waste, and manufacturing cost is high.Adsorbent equipment with activated carbon as medium, after using certain time, activated carbon will reach full
And state, activated carbon now cannot adsorb the pollutant in organic exhaust gas, if changing not in time, whole system is at losing
Effect state, waste gas discharge can not be up to standard, can cause atmospheric pollution, and enterprise faces the risk of legal responsibility and social responsibility.Tool
During body uses, the activated carbon in adsorption box reaches to adsorb maximum critical value in use for some time, loses adsorption function,
No longer having adsorptivity, then when not changing activated carbon again, draining into the content of organic dust in the tail gas of air will be higher, or
Person is the most up to standard.Accordingly, it would be desirable to change the activated carbon in adsorption box in time so that use cost is higher, usually 2 to 3
Being accomplished by changing activated carbon the moon, and adsorption box is to raise and adsorption function reduction with temperature, this is accomplished by pending high temperature
Organic exhaust gas is lowered the temperature.Water scrubber Water spray adsorption efficiency is low, also results in the pollution of water resource, and follow-up needs increases waste water process dress
Putting, operating cost increases.
Utility model content
The purpose of this utility model is to provide a kind of lacquer spraying waste gas processing system optimizing water distribution and improving biochemical effects.
Employed technical scheme comprise that such for achieving the above object, i.e. a kind of lacquer spraying waste gas processing system；Its feature
Be: be included in be sequentially connected in series on pipeline lacquer spraying waste gas source, fire resisting damper, dry filter, absorption intake valve, adsorption box, suction
Attached air outlet valve, main exhaust fan and chimney；
The pipe of the pipeline of the pipeline section of the pipeline of the air inlet position of described adsorption box and the position, gas outlet of adsorption box
Section is connected by a bypass pipe, and the bypass pipe between the air inlet position of the position, gas outlet of adsorption box to adsorption box depends on
Secondary being provided with is desorbed air outlet valve, desorption catalyzing burner, desorption blower fan, mixed flow heat exchanger, desorption intake valve；
The inlet end of described desorption air outlet valve is connected with nitrogen pot by connecting tube I, this connecting tube I is provided with nitrogen and subtracts
Pressure valve；
The upper chamber of described desorption catalyzing burner is connected with air by connecting tube II, this connecting tube II is arranged free
Gas intake valve；
Described mixed flow heat exchanger is connected with air by connecting tube III, and this connecting tube III is provided with regulation valve and mixed flow wind
Machine；
Described dry filter includes again closed casing, and the pipeline air inlet in dry filter position passes closed
The top cover of casing, pipeline passes the back side wall body of closed casing in the gas outlet of dry filter position；At closed casing
In the both sides of gas outlet of pipeline be respectively arranged with two blocks of web plates, be provided with filter paper layers and filtration between described two blocks of web plates
Cotton layer, filter paper layers is near the sidewall of closed casing, and filter cotton layer is near the pipeline section of the pipeline being positioned in closed casing
Outer wall；The top of described web plate is fixed as one by sealing plate, and the bottom of web plate is fixed on the base plate inner panel of closed casing
On face；Described sealing plate, the inner chamber of closed casing separates by filter paper layers, the base plate one of filter cotton layer and closed casing
Being two independent chambers, these two independent chambers are inlet chamber and outlet chamber；
Described adsorption box includes again casing, is positioned at air inlet and the gas outlet of tank ends；The inner chamber of casing is arranged
Having the installation dividing plate with through hole, this installation dividing plate, near air inlet, is provided with two-layer active carbon layer at lead to the hole site, and this is lived
Property layer of charcoal between two blocks of web plates, one end of described web plate be fixed on installation dividing plate on, the other end of described web plate is fixed on
On sealing plate I, the inner chamber of casing is divided at least two independence with sealing plate I one by described installation dividing plate, active carbon layer
Adsorbent chamber；It is provided with at least one maintenance blind hole on described cabinet exterior, this maintenance blind hole has been bolted blind plate；
Described desorption catalyzing burner includes again containment housing, and a sidewall of containment housing is provided with door able to turn on or off,
The inner chamber of containment housing is divided into the dividing plate of upper and lower two chambers, upper chamber is provided with platinum titanium battery lead plate, is arranged on down
Heat exchanger in chamber, the air inlet of heat exchanger connects with upper chamber；Described containment housing is outside equipped with is wrapped up
Asbestos heat-insulation layer, is outside equipped with airtight outer container at asbestos heat-insulation layer, the containment housing wrapped up by asbestos heat-insulation layer be positioned at airtight outside
In the inner chamber of case, a sidewall of airtight outer container is provided with door able to turn on or off；The gas outlet of described upper chamber and heat exchanger is equal
Connect with bypass pipe.
This utility model has the advantage, that due to said structure and reduces exhaust gas and dust content, extends adsorption box
In service life, reduce use cost and improve safety in utilization.
Accompanying drawing explanation
This utility model can be further illustrated by the nonlimiting examples that accompanying drawing is given.
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of this utility model dry filter.
Fig. 3 is the sectional structure schematic diagram of this utility model dry filter.
Fig. 4 is the structural representation of this utility model adsorption box.
Fig. 5 is the structural representation in this utility model adsorption box left view direction.
Fig. 6 is the broken section structural representation of this utility model adsorption box.
Fig. 7 is this utility model adsorption box structural representation of broken section when having four layers of active carbon layer embodiment.
Fig. 8 is the structural representation of this utility model desorption catalyzing burner.
Detailed description of the invention
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings:
See accompanying drawing 1 to 8, the lacquer spraying waste gas processing system in figure；Wherein: be included in spraying paint of being sequentially connected in series on pipeline 1
Exhaust gas source 2, fire resisting damper 3, dry filter 4, absorption intake valve 5, adsorption box 6, absorb air valve 7, main exhaust fan 8 and chimney 9；
The pipeline section of the pipeline 1 of the air inlet position of described adsorption box 6 and the pipeline 1 of the position, gas outlet of adsorption box 6
Pipeline section connected by a bypass pipe 10, the side between the air inlet position of the position, gas outlet of adsorption box 6 to adsorption box 6
Desorption air outlet valve 11, desorption catalyzing burner 12, desorption blower fan 13, mixed flow heat exchanger 14, desorption it is disposed with on siphunculus 10
Intake valve 15；
The inlet end of described desorption air outlet valve 11 is connected with nitrogen pot 17 by connecting tube I 16, and this connecting tube I 16 is arranged
There is nitrogen air relief valve 18；
The upper chamber 1203 of described desorption catalyzing burner 12 is connected with air by connecting tube II 19, in this connecting tube II
It is provided with air inlet valve 20；
Described mixed flow heat exchanger 14 is connected with air by connecting tube III 21, and this connecting tube III 21 is provided with regulation valve 22
With flow-mixing blower fan 23；
Described dry filter 4 includes that again closed casing 401, the pipeline 1 air inlet in dry filter position 4 pass
The top cover 402 of closed casing 401, pipeline 1 passes the back side of closed casing 401 in the gas outlet of dry filter 4 position
Wall body 403；The both sides of the gas outlet of the pipeline in closed casing are respectively arranged with two blocks of web plates 404, described two blocks of web plates
Being provided with filter paper layers 405 and filter cotton layer 406 between 404, filter paper layers 405 is near the sidewall of closed casing, filter cotton
Layer 406 is near the outer wall of the pipeline section of the pipeline being positioned in closed casing；The top of described web plate 404 is solid by sealing plate 407
Being set to one, the bottom of web plate 404 is fixed on the base plate inner plate surface of closed casing；Described sealing plate 407, filter paper layers
405, the inner chamber of closed casing is integrally divided into two independent chambers with the base plate of closed casing by filter cotton layer 406,
These two independent chambers are inlet chamber 408 and outlet chamber 409；
Described adsorption box 6 includes again casing 601, is positioned at air inlet 602 and the gas outlet 603[air inlet at casing 601 two ends
602 connect with gas outlet 603 and pipeline 1]；The installation dividing plate 605 with through hole 604, this peace it is provided with in the inner chamber of casing
Dress dividing plate 605 is near air inlet 602, and being provided with two-layer active carbon layer 606[active carbon layer 606 in through hole 604 position can also
It is four layers], this active carbon layer 606 is between two blocks of web plates, and one end of described web plate is fixed on installation dividing plate 605, described
The other end of web plate is fixed on sealing plate I 607, and described installation dividing plate 605, active carbon layer 606 will with sealing plate I 607 one
The inner chamber of casing is divided into the adsorbent chamber of at least two independence；At least one maintenance blind hole 608 it is provided with on described cabinet exterior,
It has been bolted blind plate 609 in this maintenance blind hole 608；
Described desorption catalyzing burner 12 includes again containment housing 1201, and a sidewall of containment housing 1201 is provided with can
The door opened and closed, is divided into the inner chamber of containment housing 1201 dividing plate 1202 of upper and lower two chambers, is provided with in upper chamber 1203
Platinum titanium battery lead plate 1204, the heat exchanger 1206 being arranged in lower chambers 1205, the air inlet of heat exchanger 1206 and epicoele
Room 1203 connects；Described containment housing 1201 is outside equipped with the asbestos heat-insulation layer 1207 wrapped up, at asbestos heat-insulation layer 1207
Being outside equipped with airtight outer container 1208, the containment housing wrapped up by asbestos heat-insulation layer 1207 is positioned in the inner chamber of airtight outer container, airtight
It is provided with door able to turn on or off on one sidewall of outer container 1208；The gas outlet of described upper chamber 1203 and heat exchanger 1206 is all with other
Siphunculus 10 connects.In this embodiment, each control parts are connected with the switch board in control room with PLC control sheet.
For ensureing that the Wind Volume that is carried out continuously and tackles of absorption uses the demand of load, and ensure the safety used
Property, in above-described embodiment, preferably: described adsorption box 6 is two, these two adsorption boxes 6 be arranged on side by side dry filter 4 with
Between main exhaust fan 8；Corresponding described absorption intake valve 5, absorb air valve 7, desorption air outlet valve 11, desorption intake valve 15 and nitrogen
Gas air relief valve 18 is two.
For reducing unnecessary energy consumption, if the waste gas after fully burning in desorption catalyzing burner can reach discharge
Standard, in above-described embodiment, preferably: have one connecting on the bypass pipe 10 of position, mixed flow heat exchanger 14 gas outlet
Connecting tube IV 25, this connecting tube IV 25 is provided with control valve 26, and the end of described connecting tube IV 25 connects with chimney 9.
In above-described embodiment, under the traction of rearmounted main exhaust fan 8, the organic exhaust gas after removing dust, through adsorption box 6, is used
Harmful gas in waste gas is trapped in adsorption box 6 in active carbon layer 606 by Physical, qualified discharge；Inhale in adsorption box 6 work
While attached, by the function of the heat energy decomposing organic matter that desorption catalyzing burner 12 produces, carry out adsorbing saturated activated carbon
Desorption by heating works, and by the Organic substance parsed, by chemical reaction, [Organic substance produces with precious metal palladium, platinum at a certain temperature
Oxidation reaction, resolves into carbon dioxide, water and heat energy.I.e. on platinum titanium battery lead plate 1204, ceramic catalytic pipe outer wall can be metal
Palladium, platinum, titanium etc.].
Use process is as follows:
1, in gas containing Organic substance composition too high time, electrostatic may be produced when the internal wind speed of pipeline 1 is too high and ignite pipeline
Internal gas, uses low wind speed (absorption pipeline 10m/ s, i.e. pipeline 1 during design；Desorption pipeline 10m/s, i.e. bypass pipe 10.)；
Use high quality carbon steel plate (cold drawing) as all conduit components main material when manufacturing selection, reduce rubbing between gas and inner-walls of duct
Wipe.
2, in desorption catalyzing burner 12, desorption uses hot-air to resolve gasification Organic substance, resolves high-concentration organic waste gas and exists
Low-temperature decomposition under the effect of catalyst, generates non-harmful carbon dioxide, water and heat energy；Heat energy passes through mixed flow heat exchanger (gas, gas
Heat exchange) heating fresh air, enter activated carbon in adsorption box 6 and realize cycles, economized desorption work, desorption gas flow temperature is by peace
Be contained in the temperature controller on bypass pipe 10 monitor in real time feed back to have PLC control sheet switch board, have PLC control sheet control
Cabinet regulation valve 22 and or the aperture acquisition air intake size of air inlet valve 20.
3, after gas is desorbed end cooling in desorption catalyzing burner 12, the absorption intake valve 5 at adsorption box 6 two ends is closed
With absorb air valve 7 nitrogen injection pressurize, reduce activated carbon be positioned at the oxygen content in casing 601, be i.e. substantially reduced activated carbon and
The danger of fire；Finally, when temperature is the most too high, system autostop is also reported to the police.This equipment arranges two adsorption boxes 6, processes
Air quantity is 18000m/h, uses and adsorbs off-line desorption for two casees simultaneously, and off-line resolves PROCESS FOR TREATMENT；Desorption catalyzing burner 12
VOC-CH-200 type catalytic burner can also be used；Pretreatment is equipped with dry filter, processes air quantity 36000m/h.Necessary
Shi Peiyou nitrogen making machine.
In above-described embodiment, described each parts all use market products.
Obviously, above-mentioned all embodiments are a part of embodiment of the present utility model rather than whole embodiments.Based on
Embodiment described in the utility model, those skilled in the art obtained under not making creative work premise all other
Embodiment, broadly falls into the category of this utility model protection.
In sum, due to said structure, reduce exhaust gas and dust content, extend adsorption box service life, reduce
Use cost and improve safety in utilization.
Claims (3)
1. a lacquer spraying waste gas processing system；It is characterized in that: be included in lacquer spraying waste gas source, the fire prevention being sequentially connected in series on pipeline
Valve, dry filter, absorption intake valve, adsorption box, absorb air valve, main exhaust fan and chimney；
The pipeline section of the pipeline of the air inlet position of described adsorption box leads to the pipeline section of the pipeline of the position, gas outlet of adsorption box
Cross a bypass pipe connection, the bypass pipe between the air inlet position of the position, gas outlet of adsorption box to adsorption box sets successively
It is equipped with desorption air outlet valve, desorption catalyzing burner, desorption blower fan, mixed flow heat exchanger, desorption intake valve；
The inlet end of described desorption air outlet valve is connected with nitrogen pot by connecting tube I, and this connecting tube I is provided with nitrogen decompression
Valve；
The upper chamber of described desorption catalyzing burner is connected with air by connecting tube II, this connecting tube II is provided with air and enters
Air valve；
Described mixed flow heat exchanger is connected with air by connecting tube III, and this connecting tube III is provided with regulation valve and flow-mixing blower fan；
Described dry filter includes again closed casing, and the pipeline air inlet in dry filter position passes closed casing
Top cover, pipeline in the gas outlet of dry filter position through the back side wall body of closed casing；In closed casing
The both sides of the gas outlet of pipeline are respectively arranged with two blocks of web plates, are provided with filter paper layers and filter cotton between described two blocks of web plates
Layer, filter paper layers is near the sidewall of closed casing, and filter cotton layer is near being positioned at outside the pipeline section of the pipeline in closed casing
Wall；The top of described web plate is fixed as one by sealing plate, and the bottom of web plate is fixed on the base plate inner plate surface of closed casing
On；Described sealing plate, the inner chamber of closed casing is divided into by filter paper layers, the base plate one of filter cotton layer and closed casing
Two independent chambers, these two independent chambers are inlet chamber and outlet chamber；
Described adsorption box includes again casing, is positioned at air inlet and the gas outlet of tank ends；Tool it is provided with in the inner chamber of casing
Having the installation dividing plate of through hole, this installation dividing plate, near air inlet, is provided with two-layer active carbon layer at lead to the hole site, this activated carbon
Layer is between two blocks of web plates, and one end of described web plate is fixed on installation dividing plate, and the other end of described web plate is fixed on sealing
On plate I, the inner chamber of casing is divided into the absorption of at least two independence by described installation dividing plate, active carbon layer and sealing plate I one
Chamber；It is provided with at least one maintenance blind hole on described cabinet exterior, this maintenance blind hole has been bolted blind plate；
Described desorption catalyzing burner includes again containment housing, a sidewall of containment housing is provided with door able to turn on or off, by close
The inner chamber closing casing is divided into the dividing plate of upper and lower two chambers, is provided with platinum titanium battery lead plate, is arranged on lower chambers in upper chamber
In heat exchanger, the air inlet of heat exchanger connects with upper chamber；Described containment housing is outside equipped with the asbestos wrapped up
Heat-insulation layer, is outside equipped with airtight outer container at asbestos heat-insulation layer, and the containment housing wrapped up by asbestos heat-insulation layer is positioned at airtight outer container
In inner chamber, a sidewall of airtight outer container is provided with door able to turn on or off；The gas outlet of described upper chamber and heat exchanger is all with other
Siphunculus connects.
Lacquer spraying waste gas processing system the most according to claim 1, it is characterised in that: described adsorption box is two, these two
Adsorption box is arranged between dry filter and main exhaust fan side by side；Corresponding described absorption intake valve, absorb air valve, desorption
Air outlet valve, desorption intake valve and nitrogen air relief valve are two.
Lacquer spraying waste gas processing system the most according to claim 1, it is characterised in that: near position, mixed flow heat exchanger gas outlet
Connect on the bypass pipe at the place of putting and have a connecting tube IV, this connecting tube IV is provided with control valve, the end of described connecting tube IV
Connect with chimney.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620813850.8U CN205867917U (en) | 2016-07-30 | 2016-07-30 | Spray paint waste gas treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620813850.8U CN205867917U (en) | 2016-07-30 | 2016-07-30 | Spray paint waste gas treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205867917U true CN205867917U (en) | 2017-01-11 |
Family
ID=57700310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620813850.8U Expired - Fee Related CN205867917U (en) | 2016-07-30 | 2016-07-30 | Spray paint waste gas treatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205867917U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106076062A (en) * | 2016-07-30 | 2016-11-09 | 重庆中标环保集团有限公司 | Lacquer spraying waste gas processing system |
| CN108176223A (en) * | 2017-12-30 | 2018-06-19 | 江苏永益环保科技有限公司 | Paint booth organic waste gas catalytic combustion processing system |
-
2016
- 2016-07-30 CN CN201620813850.8U patent/CN205867917U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106076062A (en) * | 2016-07-30 | 2016-11-09 | 重庆中标环保集团有限公司 | Lacquer spraying waste gas processing system |
| CN108176223A (en) * | 2017-12-30 | 2018-06-19 | 江苏永益环保科技有限公司 | Paint booth organic waste gas catalytic combustion processing system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170111 Termination date: 20170730 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |