CN206008410U - Spray paint waste gas purification device - Google Patents
Spray paint waste gas purification device Download PDFInfo
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- CN206008410U CN206008410U CN201620284314.3U CN201620284314U CN206008410U CN 206008410 U CN206008410 U CN 206008410U CN 201620284314 U CN201620284314 U CN 201620284314U CN 206008410 U CN206008410 U CN 206008410U
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Abstract
The utility model discloses a kind of spray paint waste gas purification device, including adsorption zone and pyrolysis zone, collecting pipe is connected in the adsorption zone, discharge tube and admission line, the lacquer spraying waste gas that collects are sent into the adsorption zone by the collecting pipe, discharge from the discharge tube after adsorption cleaning process, the admission line introduces hot-air and carries out desorbing process to the adsorption zone, and air is entered after described for the feeding of the hot-air containing volatile organic matter pyrolysis zone is carried out thermal decomposition process, the first valve is provided with the collecting pipe, the second valve is provided with the discharge tube, the 3rd valve is provided with the admission line, the 4th valve is provided between the adsorption zone and pyrolysis zone.Its remarkable result is：Simple structure, easy to operate, using subregion desorbing and electrical heating isolation, investment and operating cost is significantly reduced, industrial undertaking's economical and environmentally friendly pressure is effectively alleviated.
Description
Technical field
This utility model is related to atmospheric environment protection field, specifically, is a kind of spray paint waste gas purification device.
Background technology
With environmental requirement and the raising year by year of Environmental Inputs, the improvement of atmosphere quality is but obvious, various places haze
Frequency is existing.After SO2, NOx and dust etc. become control object, volatile organic matter (VOCs) has also been included into atmosphere pollution control
Category processed.Mainly active charcoal adsorbs VOCs treatment technologies, condensation is reclaimed, Adsorption Concentration+oxidizing fire (heat-accumulation combustion RTO, heat
Recovery type heating power burns TNV or heat accumulating type catalysis RCO), low-temperature plasma, photocatalysis and bioanalysises etc., wherein Adsorption Concentration+oxygen
It is to process Wind Volume, the common technology of low concentration VOCs to change burning.
One of the characteristics of lacquer spraying waste gas is exactly Wind Volume and low concentration VOCs.And in existing treatment technology, Adsorption Concentration+
It is that the requirement to operation and maintenance is higher that oxidative combustion processes the problem of lacquer spraying waste gas presence, invests and operation and maintenance cost
High；Heat-accumulation combustion RTO and heat reclamation type heating power burning TNV are generally required and are used combustion gas, Combustion System is had high demands, can also be produced
Secondary pollution；Heat accumulating type catalysis RCO needs the catalyst using expensive and easy in inactivation.
Accordingly, it would be desirable to develop for lacquer spraying waste gas investment and operating cost low, VOCs purification techniques easy to operate,
Reduce the economical and environmentally friendly pressure of industrial undertaking.
Content of the invention
For the deficiencies in the prior art, the purpose of this utility model is to provide a kind of spray paint waste gas purification device, the device
Using subregion desorbing and electrical heating isolation, easy to operate, investment and operating cost can be greatly reduced, effectively alleviates industry
Business economic and environmental protection pressure.
For reaching above-mentioned purpose, the technical solution adopted in the utility model is as follows：
A kind of spray paint waste gas purification device, which it is critical only that：Including adsorption zone and pyrolysis zone, distinguish in the adsorption zone
Collecting pipe, discharge tube and admission line is connected with, including adsorption zone and pyrolysis zone, is connected in the adsorption zone respectively
There are collecting pipe, discharge tube and admission line, wherein, the import of the collecting pipe and admission line and the adsorption zone
It is connected, the outlet in the adsorption zone connects the discharge tube, and the adsorption zone is also connected with the pyrolysis zone, the heat
Discharge the air after thermal decomposition process in resolver.
When using, lacquer spraying waste gas enter the absorption of purifier after collection, pretreatment to this device by collecting pipe
Area, the waste gas for being adsorbed afterwards purifying directly are discharged by discharge tube；The hot-air for being preheating to uniform temperature enters adsorption zone
Adsorbed VOCs desorbings are got off, and pyrolysis zone are flowed into hot-air, by pyrolysis zone is heated to uniform temperature,
VOCs is pyrolyzed as CO2, water etc., is then drained in air.By thermal decomposition manner, effectively lacquer spraying waste gas can be carried out only
Change is processed, and burns TNV methods compared to traditional Adsorption Concentration+oxidative combustion and heat-accumulation combustion RTO and heat reclamation type heating power,
Requirement to operation and maintenance is relatively low, and investment and operation and maintenance cost are few；Combustion gas will not be used, low to Combustion System requirement, also
Avoid generation secondary pollution.
Further, the first valve is provided with the collecting pipe, be provided with the second valve on the discharge tube
Door, is provided with the 3rd valve on the admission line, is provided with the 4th valve between the adsorption zone and pyrolysis zone.
By aforementioned four valve, effectively easily the workflow of adsorption zone and pyrolysis zone can be controlled
System.
Further, the pyrolysis zone ensures the temperature needed for thermal decomposition process using Electric heating.
Using electrical heating, compared to traditional Adsorption Concentration+oxidative combustion and heat-accumulation combustion RTO and heat reclamation type heat
Power burns TNV methods, and the requirement to operation and maintenance is relatively low, and investment and operation and maintenance cost are few；Combustion gas will not be used, to burning control
System requires low, it is thus also avoided that produce secondary pollution.
Further, the adsorbate for adopting in the adsorption zone can be granular active carbon, particulate molecular sieve, activated carbon
One or more combination in fiber, Alveolate activated carbon, cellular molecular sieve.
Remarkable result of the present utility model is：Simple structure, easy to operate, using subregion desorbing and electrical heating decomposition side
Formula, significantly reduces investment and operating cost, effectively alleviates industrial undertaking's economical and environmentally friendly pressure.
Description of the drawings
Fig. 1 is structural representation of the present utility model.
Specific embodiment
Below in conjunction with the accompanying drawings specific embodiment of the present utility model and operation principle are described in further detail.
As shown in figure 1, a kind of spray paint waste gas purification device, including adsorption zone 1 and pyrolysis zone 2,1 point of the adsorption zone
Be not connected with collecting pipe 3, discharge tube 4 and admission line 5, wherein, the collecting pipe 3 and admission line 5 with described
The import of adsorption zone 1 is connected, and the outlet in the adsorption zone 1 connects the discharge tube 4, the adsorption zone 1 also with the heat
Resolver 2 connects, and the air after thermal decomposition process is discharged in the pyrolysis zone 2；
The first valve 6 is provided with the collecting pipe 3, is provided with the second valve 7 on the discharge tube 4,
The 3rd valve 8 is provided with the admission line 5, is provided with the 4th valve 9 between the adsorption zone 1 and pyrolysis zone 2.
The pyrolysis zone 2 ensures the temperature needed for thermal decomposition process using Electric heating.
In this example, the desorbing of the adsorption zone 1 is processed and adopts subregion desorption mode, adsorption zone can be divided equally 5 when implementing
～11 deciles, the hot air outlet size after preheating are consistent with each partitions sizes, each subregion desorption time about 5 minutes, per
Individual subregion after desorbing once, is repeating desorbing successively according to needs successively.
In this example, the adsorbate adopted in the adsorption zone 1 is for granular active carbon, particulate molecular sieve, active carbon fibre
One or more in dimension, Alveolate activated carbon, cellular molecular sieve is combined, and is preferably cellular activated carbon in this example, then phase
Answer, enter the temperature of adsorption zone hot-air<120 DEG C, hot air temperature in pyrolysis zone<1000 DEG C, it is discharged into the gas of air
Temperature<60℃.
The use flow process of this device is as follows：
Step 1：Adsorption cleaning；As shown in figure 1, open setting on first valve 6 and discharge tube 4 of the setting of collecting pipe 3
The second valve 7 that puts, and the 3rd valve 8 that closes on admission line 5, and the closed between adsorption zone 1 and pyrolysis zone 2
Four valves 9, lacquer spraying waste gas enter the adsorption zone 1 of this device after collection, pretreatment, and the waste gas for being adsorbed purifying passes through delivery pipe
4 direct discharge of road；
Step 2：Subregion desorbing；Referring to Fig. 1, the first valve 6 and the second valve 7 is closed, open the 3rd valve 8 and the 4th valve
Door 9, preheated after hot-air enter adsorption zone 1, adsorbed VOCs desorbings are got off, and flow into thermal decomposition with hot-air
Area；
Step 3：Electrical heating is decomposed；Being desorbed the VOCs for getting off and pyrolysis zone 2 being entered with hot-air, VOCs is warm after being heated
Solve as CO2, water etc., finally, hot-air is entered in air.
Claims (4)
1. a kind of spray paint waste gas purification device, it is characterised in that：Including adsorption zone (1) and pyrolysis zone (2), in the adsorption zone
(1) collecting pipe (3), discharge tube (4) and admission line (5) are connected to, wherein, collecting pipe (3) with enter
Feed channel (5) is connected with the import of the adsorption zone (1), and the outlet in the adsorption zone (1) connects discharge tube (4),
Adsorption zone (1) is also connected with the pyrolysis zone (2), and described pyrolysis zone (2) discharge the air after thermal decomposition process.
2. spray paint waste gas purification device according to claim 1, it is characterised in that：In the upper setting of the collecting pipe (3)
There is the first valve (6), the second valve (7) is provided with the discharge tube (4), be provided with the admission line (5)
3rd valve (8), is provided with the 4th valve (9) between the adsorption zone (1) and pyrolysis zone (2).
3. spray paint waste gas purification device according to claim 1 and 2, it is characterised in that：Described pyrolysis zone (2) are using electricity
Mode of heating ensures the temperature needed for thermal decomposition process.
4. spray paint waste gas purification device according to claim 3, it is characterised in that：The suction adopted in adsorption zone (1)
Attached matter can be in granular active carbon, particulate molecular sieve, NACF, Alveolate activated carbon, cellular molecular sieve
Plant or multiple combination.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620284314.3U CN206008410U (en) | 2016-04-07 | 2016-04-07 | Spray paint waste gas purification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620284314.3U CN206008410U (en) | 2016-04-07 | 2016-04-07 | Spray paint waste gas purification device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206008410U true CN206008410U (en) | 2017-03-15 |
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ID=58241884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620284314.3U Active CN206008410U (en) | 2016-04-07 | 2016-04-07 | Spray paint waste gas purification device |
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| CN (1) | CN206008410U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110801706A (en) * | 2019-10-12 | 2020-02-18 | 武汉旭日华环保科技股份有限公司 | Distributed processing device and method for volatile organic compounds |
-
2016
- 2016-04-07 CN CN201620284314.3U patent/CN206008410U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110801706A (en) * | 2019-10-12 | 2020-02-18 | 武汉旭日华环保科技股份有限公司 | Distributed processing device and method for volatile organic compounds |
| CN110801706B (en) * | 2019-10-12 | 2022-05-24 | 武汉旭日华环保科技股份有限公司 | Distributed processing device and method for volatile organic compounds |
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| GR01 | Patent grant |