CN206008366U - Spray paint exhaust gas purification equipment - Google Patents
Spray paint exhaust gas purification equipment Download PDFInfo
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- CN206008366U CN206008366U CN201620284146.8U CN201620284146U CN206008366U CN 206008366 U CN206008366 U CN 206008366U CN 201620284146 U CN201620284146 U CN 201620284146U CN 206008366 U CN206008366 U CN 206008366U
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- heat recovery
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Abstract
The utility model discloses a kind of spray paint exhaust gas purification equipment, it is provided with adsorption zone, first heat recovery and pyrolysis zone, collecting pipe is connected on the adsorption zone, discharge tube and admission line, the adsorption zone is connected with the first import of the first heat recovery also by pipeline, the first outlet of first heat recovery is connected with its second import behind the pyrolysis zone, the second outlet of first heat recovery discharges the air after thermal decomposition, the second heat recovery is also associated between the second outlet of first heat recovery and air, the second outlet of second heat recovery is connected with the admission line through preheating 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 technical field, specifically, is a kind of spray paint exhaust gas purification equipment.
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 exhaust gas purification equipment, the equipment
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 exhaust gas purification equipment, which it is critical only that：It is provided with adsorption zone, the first heat recovery and thermal decomposition
Area, is connected to collecting pipe, discharge tube and admission line on the adsorption zone, the adsorption zone also by pipeline with
The first import connection of the first heat recovery, the first outlet of first heat recovery behind the pyrolysis zone with its
Two imports connect, and the second outlet of first heat recovery discharges the air after thermal decomposition.
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 sent to after being heated with the first heat recovery of hot-air inflow,
Afterwards by pyrolysis zone is heated to uniform temperature, VOCs is pyrolyzed as CO2, water etc., then through the first heat recovery
Enter in air after carrying out heat recovery.This equipment effectively can be carried out lacquer spraying waste gas at purification by thermal decomposition manner
Reason, burns TNV methods compared to traditional Adsorption Concentration+oxidative combustion and heat-accumulation combustion RTO and heat reclamation type heating power, to behaviour
The requirement that makees and safeguard 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；The heat that thermal decomposition is produced can be fully reclaimed, energy-conservation is realized and is reduced operating cost.
Further, it is also associated with the second heat between the second outlet of first heat recovery and air to return
Area is received, the first import of second heat recovery is connected with the second outlet of first heat recovery, second heat
Waste gas after the first outlet discharge recuperation of heat of recovery area, the second import suction air of second heat recovery are described
The second outlet of the second heat recovery is connected with the admission line through preheating zone.
The heat that thermal decomposition is produced can more fully be reclaimed by above-mentioned second heat recovery, energy-conservation and drop is realized
Low operating cost, while avoid thermal 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 between the adsorption zone and the first heat recovery
Valve.
By aforementioned four valve, can be effectively and convenient to adsorption zone, preheating zone and the first heat recovery
Working condition is controlled.
Further, the adsorbate for adopting in the adsorption zone is for granular active carbon, particulate molecular sieve, active carbon fibre
One or more combination in dimension, Alveolate activated carbon, cellular molecular sieve.
Further, the pyrolysis zone and the first heat recovery are ensured needed for thermal decomposition process using Electric heating
Temperature.
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 decomposition temperature of the pyrolysis zone is 600 DEG C～1000 DEG C, preheating of air in the preheating zone
Temperature is 50 DEG C～200 DEG C, and the temperature of first heat recovery delivery air is less than 200 DEG C, second heat recovery
The temperature of area's discharge air is less than 60 DEG C.
Remarkable result of the present utility model is：Simple structure, easy to operate, using subregion desorbing and electrical heating decomposition side
Formula, burns TNV methods compared to traditional Adsorption Concentration+oxidative combustion and heat-accumulation combustion RTO and heat reclamation type heating power, to behaviour
The requirement that makees and safeguard is relatively low, has sufficiently reclaimed the heat that thermal decomposition is produced, and significantly reduces investment and operating cost；No
Combustion gas can be used, Combustion System is required low, it is thus also avoided that produce secondary pollution, effectively alleviate industrial undertaking economical and environmentally friendly
Pressure.
Description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the schematic diagram of the subregion desorbing.
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 exhaust gas purification equipment, is provided with adsorption zone 1, the first heat recovery 2 and heat point
Solution area 3, is connected to collecting pipe 4, discharge tube 5 and admission line 6 on the adsorption zone 1, and the adsorption zone 1 also leads to
Piping is connected with the first import of the first heat recovery 2, and the first outlet of first heat recovery 2 is through the thermal decomposition
It is connected with its second import behind area 3, the second outlet of first heat recovery 2 discharges the air after recuperation of heat；Institute
State and between the second outlet of the first heat recovery 2 and air, be also associated with the second heat recovery 7, second heat recovery
7 the first import is connected with the second outlet of first heat recovery 2, the first outlet row of second heat recovery 7
Waste gas after heat release recovery, the second import suction air of second heat recovery 7, second heat recovery 7
Second outlet is connected with the admission line 6 through preheating zone 8.
It can further be seen from figure 1 that the first valve 9 is provided with the collecting pipe 4, on the discharge tube 5
The second valve 10 is provided with, the 3rd valve 11 is provided with the admission line 6, return in the adsorption zone 1 and the first heat
Receive the 4th valve 12 is provided between area 2.
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℃.
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 once successively.
In order to reduce secondary pollution, preferably, the pyrolysis zone 3 and the first heat recovery 2 adopt electrical heating side
Formula ensures the temperature needed for thermal decomposition process.
When being embodied as, the decomposition temperature of the pyrolysis zone 3 is 600 DEG C～1000 DEG C, air in the preheating zone 8
Preheating temperature is 50 DEG C～120 DEG C, and the temperature of 2 delivery air of the first heat recovery is less than 200 DEG C, second heat
The temperature of the discharge of recovery area 7 air is less than 60 DEG C.
In the specific implementation, if the temperature of the air from the second heat recovery 7 out is not up to 1 desorbing institute of adsorption zone
During the temperature of needs, preheating zone 8 is auto-power on be heated to temperature required；If from the first heat recovery 2 out contain VOCs
Hot air temperature when failing to reach the temperature required for thermal decomposition, can arrange in pyrolysis zone 3 electrical heating area auto-power on plus
Heat is to temperature required.
In summary, the using method of this equipment is as follows：
Step 1：Adsorption cleaning, that is, open the first valve 9 and the second valve 10, closes the 3rd valve 11 and the 4th valve
12, lacquer spraying waste gas enter the adsorption zone 1 by collecting pipe 4 after collection, pretreatment, are adsorbed the waste gas for purifying by row
Put pipeline 5 to be discharged；
Step 2：Desorbing is processed, that is, close the first valve 9 and the second valve 10, opens the 3rd valve 11 and the 4th valve
12, the hot-air after preheated area 8 preheats enters the adsorption zone 1, and adsorbed VOCs desorbings are got off, and with stream of hot air
Enter first heat recovery 2；
Step 3：Electrical heating decompose, i.e., the hot-air that the adsorption zone 1 is exported by described first heat recovery 2 carry out plus
Heat, is then fed into pyrolysis zone 3, and VOCs is pyrolyzed as CO2, water etc.；And by thermal decomposition after hot-air be sequentially sent to described
First heat recovery 2 and the second heat recovery 7；
Step 4：Heat recovery, that is, the hot-air after thermally decomposing carry out heat recovery in the first heat recovery 2, are used in combination
In heating containing the hot-air for being desorbed VOCs, the hot-air of the output of the first heat recovery 2 is returned in the second heat
Receiving carries out heat recovery and heats air for 1 desorbing of adsorption zone in area 7.
Claims (6)
1. a kind of spray paint exhaust gas purification equipment, it is characterised in that：It is provided with adsorption zone (1), the first heat recovery (2) and heat
Resolver (3), is connected to collecting pipe (4), discharge tube (5) and admission line (6), institute on the adsorption zone (1)
State adsorption zone (1) to be connected with first import of the first heat recovery (2) also by pipeline, first heat recovery (2)
First outlet is connected with its second import after the pyrolysis zone (3), the second outlet row of the first heat recovery (2)
The air gone out after recuperation of heat.
2. spray paint exhaust gas purification equipment according to claim 1, it is characterised in that：In the first heat recovery (2)
Second outlet and air between be also associated with the second heat recovery (7), the first import of second heat recovery (7) with
The second outlet connection of the first heat recovery (2), after the first outlet discharge recuperation of heat of second heat recovery (7)
Waste gas, the second import suction air of the second heat recovery (7), the second heat recovery (7) second go out
Mouth is connected with the admission line (6) through preheating zone (8).
3. spray paint exhaust gas purification equipment according to claim 1 and 2, it is characterised in that：Set on the collecting pipe (4)
The first valve (9) is equipped with, the second valve (10) is provided with the discharge tube (5), in the upper setting of the admission line (6)
There is the 3rd valve (11), the 4th valve (12) is provided between the adsorption zone (1) and the first heat recovery (2).
4. spray paint exhaust gas purification equipment according to claim 1, it is characterised in that：The suction adopted in adsorption zone (1)
Attached matter is granular active carbon, particulate molecular sieve, NACF, Alveolate activated carbon, the one kind in cellular molecular sieve
Or multiple combination.
5. spray paint exhaust gas purification equipment according to claim 1 and 2, it is characterised in that：Pyrolysis zone (3) and first
Heat recovery (2) ensures the temperature needed for thermal decomposition process using Electric heating.
6. spray paint exhaust gas purification equipment according to claim 2, it is characterised in that：The decomposition temperature of pyrolysis zone (3)
Spend for 600 DEG C～1000 DEG C, in preheating zone (8), the preheating temperature of air is 50 DEG C～200 DEG C, first heat recovery
The temperature of area (2) delivery air is less than 200 DEG C, and the temperature of described second heat recovery (7) discharge air is less than 60 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620284146.8U CN206008366U (en) | 2016-04-07 | 2016-04-07 | Spray paint exhaust gas purification equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620284146.8U CN206008366U (en) | 2016-04-07 | 2016-04-07 | Spray paint exhaust gas purification equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206008366U true CN206008366U (en) | 2017-03-15 |
Family
ID=58240982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620284146.8U Active CN206008366U (en) | 2016-04-07 | 2016-04-07 | Spray paint exhaust gas purification equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206008366U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105709562A (en) * | 2016-04-07 | 2016-06-29 | 重庆纽贝环保科技有限公司 | Continuous purification treatment system for paint spraying waste gas and purification method adopting continuous purification treatment system |
| CN105771541A (en) * | 2016-04-07 | 2016-07-20 | 重庆纽贝环保科技有限公司 | Spraying waste gas purification system and purification method thereof |
-
2016
- 2016-04-07 CN CN201620284146.8U patent/CN206008366U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105709562A (en) * | 2016-04-07 | 2016-06-29 | 重庆纽贝环保科技有限公司 | Continuous purification treatment system for paint spraying waste gas and purification method adopting continuous purification treatment system |
| CN105771541A (en) * | 2016-04-07 | 2016-07-20 | 重庆纽贝环保科技有限公司 | Spraying waste gas purification system and purification method thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |