CN209333471U - Coating material production VOCs exhaust treatment system - Google Patents
Coating material production VOCs exhaust treatment system Download PDFInfo
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- CN209333471U CN209333471U CN201822147286.2U CN201822147286U CN209333471U CN 209333471 U CN209333471 U CN 209333471U CN 201822147286 U CN201822147286 U CN 201822147286U CN 209333471 U CN209333471 U CN 209333471U
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Abstract
The utility model relates to a kind of coating material production VOCs exhaust treatment systems, including activated carbon adsorption dosage form concentration runner, absorption blower, desorption blower, first-class heat exchanger, secondary heat exchanger, catalytic combustion system and chimney；And enter pipe by the way that fresh wind is arranged, improve the flexibility handled when reply exhaust gas VOCs content increases；It is bypassed by setting cooling wind, the temperature into the desorption gas in desorption area can be adjusted in real time, make that efficient, stable progress is desorbed；The flexibility of recuperation of heat is enhanced by the way that exhaust gas bleeder is arranged.Compared with prior art, the utility model is with high-efficient, flexibility is good, low power consumption and other advantages.
Description
Technical field
The utility model relates to exhaust gas treatment technologies, more particularly, to a kind of coating material production VOCs exhaust treatment system.
Background technique
In China, VOCs (volatile organic compounds) volatile organic matter refers to be saturated under room temperature and steam
Vapour pressure is greater than that 133.32Pa, boiling point or any at normal temperatures and pressures can be waved in 50~260 DEG C of organic compounds below under normal pressure
The organic solid or liquid of hair.VOCs not only has a direct impact human health and ecological environment etc., can also be by participating in atmosphere
Photochemical reaction generates secondary pollution, such as our ozone and Peroxyacetyl nitrate, Organic aerosol for frequently referring to
Deng being to lead to one of important as precursors object of air pollution.Therefore, country is made that stringent regulation limits to the discharge of VOCs.
On April 14th, 2017, Environmental Protection Department have been issued " coating, ink and adhesive industrial air pollution object discharge standard " and (have been solicited
Opinion original text), " volatile organic matter uncontrollable discharge control standard " (exposure draft) two state environment protecting standard opinions,
Define the stringent standard of comparison, it is intended that reduce VOCs discharge.
And a variety of organic solvents are used in the production process of coating, 3~5% are generally lost, this can generate and arrange
The VOCs exhaust gas of amplification quantity will necessarily affect greatly environment if be directly discharged in atmosphere without processing.
Utility model content
The purpose of this utility model is exactly to provide a kind of coating material production to overcome the problems of the above-mentioned prior art
With VOCs exhaust treatment system.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of coating material production VOs exhaust treatment system, including it is activated carbon adsorption dosage form concentration runner, absorption blower, de-
Attached blower, first-class heat exchanger, secondary heat exchanger, catalytic combustion system and chimney, the concentration runner division have adsorption zone, take off
Attached area and cooling zone；The input terminal of the absorption blower is connected with that exhaust gas enters pipe and fresh wind enters pipe, adsorbs blower
Output end is successively connect with the adsorption zone of concentration runner and chimney by the first branch, adsorbs the output end of blower by second
Road successively with the cooling zone of concentration runner, the warming pipeline of first-class heat exchanger, concentration runner desorption area, desorption blower and two
The warming pipeline of grade heat exchanger and the input terminal of catalytic combustion system connect, and the output end of catalytic combustion system is discharged by exhaust gas
Pipe is successively connect by the cooling pipeline of first-class heat exchanger and secondary heat exchanger with chimney；In second branch, concentration runner
Cooling wind bypass is connected between the output end of cooling zone and the input terminal that area is desorbed.
Preferably, the exhaust gas enters pipe and fresh wind enters and is equipped with control valve on pipe.
Preferably, the exhaust gas, which enters on pipe, is also connected with exhaust gas dump pipe, the exhaust gas dump pipe
It is equipped with control valve.
Preferably, second of the input terminal of the output end and desorption area of the cooling zone of cooling wind bypass and concentration runner
Road is equipped with control valve.
Preferably, the output end of the catalytic combustion system also passes through exhaust gas bleeder and directly connect with chimney.
Preferably, the exhaust gas bleeder is equipped with control valve.
Preferably, which further includes the pressure transmitter for being respectively arranged at absorption blower and blower being desorbed.
The working principle of the utility model is:
VOCs exhaust gas (generally to pass through filtration treatment) is sent by absorption blower to the adsorption zone of concentration runner, adsorbent rotor
It is driven by motor by belt, is slowly rotated with certain speed, the organic gas of low concentration, which is sent by absorption blower to runner, to be inhaled
It attached dose, is purified by the honeycomb hole of adsorbent, purified gas is discharged from the honeycomb hole other end.It is continuous with absorption
It carries out, the part of absorption close to saturation is transferred to desorption area in runner adsorbent, and the hot-air purged from opposite direction is (after cooling
The heat that warm air is generated using first-class heat exchanger recycling catalytic combustion system burning, forms hot-air) desorption desorption, under desorption
The VOCs come is handled after secondary heat exchanger heats into catalytic combustion system, and (secondary heat exchanger utilizes catalysis burning dress
It sets the heat that burning generates and the air after desorption is heated to high temperature, to carry out catalyst combustion reaction, catalytic combustion system is also wanted
It is passed through air and combustion-supporting material), the part that runner adsorbent is reproduced enters cooling zone after cooling, and is transferred to adsorption zone again
Secondary carry out adsorption operations.Runner adsorbent experiencings adsorption-desorption-cooling repetitive process.
Compared with prior art, the utility model has the following beneficial effects:
(1) the utility model enters pipe by the way that fresh wind is arranged, and enters pipe in exhaust gas and fresh wind enters on pipe and is all provided with
There is control valve, when exhaust gas VOCs content increases suddenly, the exhaust gas flow of system can be entered by reducing, while being passed through fresh
Air cooperates with runner rotational speed regulation, can guarantee by adsorption zone to be lowered into the VOCs content of the exhaust gas of runner adsorption zone
The VOCs content for the gas being discharged after absorption reaches requirement, adjusts runner revolving speed compared to independent, adjusts more flexible, Er Qieneng
Enough adapt to the exhaust gas of VOCs too high levels.Although system effectiveness relative reduction can be made by being passed through fresh air, compared to discharge
Gas not up to standard, the reduction of this efficiency is can be received.
(2) the utility model uses active carbon type adsorbent, and low energy consumption, and due to de- when acticarbon uses
Enclosure temperature is lower (about 120 DEG C), if the temperature of desorption gas is too high, it is unfavorable to will cause to active carbon, and the utility model is by setting
Cooling wind bypass is set, and control valve is set, the temperature for entering the desorption gas in desorption area can be adjusted in real time, makes desorption efficiently, surely
Fixed progress.
(3) two-stage exchanges heat, and adds using catalysis combustion heat release to desorption gas and into the gas of catalytic combustion system
Heat increases the efficiency of energy utilization, and the utility model further enhances the spirit of recuperation of heat using exhaust gas bleeder
Activity.
Detailed description of the invention
Fig. 1 is the schematic diagram of the coating material production VOCs exhaust treatment system of the utility model；
In figure, 1 is concentration runner, and 2 be absorption blower, and 3 be desorption blower, and 4 be first-class heat exchanger, and 5 be secondary heat exchanger,
6 be catalytic combustion system, and 7 be chimney, and 8 enter pipe for exhaust gas, and 9 enter pipe for fresh wind, and 10 be the first branch, and 11 be second
Branch, 12 bypass for cooling wind, and 13 be exhaust pipe, and 14 be exhaust gas bleeder, and 15 be exhaust gas dump pipe, and 16 be control
Valve processed, 17 be pressure transmitter, and A is adsorption zone, and B is desorption area, and C is cooling zone.
Specific embodiment
The utility model is described in detail in the following with reference to the drawings and specific embodiments.
Embodiment 1
A kind of coating material production VOCs exhaust treatment system, as shown in Figure 1, include activated carbon adsorption dosage form concentration runner 1,
Absorption blower 2, desorption blower 3, first-class heat exchanger 4, secondary heat exchanger 5, catalytic combustion system 6 and chimney 7, concentration runner 1 are drawn
Dividing has adsorption zone A, desorption area B and cooling zone C；The input terminal of absorption blower 2 is connected with that exhaust gas enters pipe 8 and fresh wind enters pipe
9, the output end of absorption blower 2 is successively connect with the adsorption zone A of concentration runner 1 and chimney 7 by the first branch 10, adsorbs wind
The output end of machine 2 by second branch 11 successively with the cooling zone C of concentration runner 1, first-class heat exchanger 4 warming pipeline, concentration
The warming pipeline of the desorption area C of runner 1, desorption blower 3 and secondary heat exchanger 5 are connect with the input terminal of catalytic combustion system 6,
The output end of catalytic combustion system 6 passes through the successively cooling pipe Jing Guo first-class heat exchanger 4 and secondary heat exchanger 5 of exhaust pipe 13
Road is connect with chimney 7；In second branch 11, between the output end of the cooling zone B of concentration runner 1 and the input terminal of desorption area C
It is connected with cooling wind bypass 12.
VOCs exhaust gas (generally to pass through filtration treatment) is sent by absorption blower to the adsorption zone of concentration runner, adsorbent rotor
It is driven by motor by belt, is slowly rotated with certain speed, the organic gas of low concentration, which is sent by absorption blower to runner, to be inhaled
It attached dose, is purified by the honeycomb hole of adsorbent, purified gas is discharged from the honeycomb hole other end.It is continuous with absorption
It carries out, the part of absorption close to saturation is transferred to desorption area in runner adsorbent, and the hot-air purged from opposite direction is (after cooling
The heat that warm air is generated using first-class heat exchanger recycling catalytic combustion system burning, forms hot-air) desorption desorption, under desorption
The VOCs come is handled after secondary heat exchanger heats into catalytic combustion system, and (secondary heat exchanger utilizes catalysis burning dress
It sets the heat that burning generates and the air after desorption is heated to high temperature, to carry out catalyst combustion reaction, catalytic combustion system is also wanted
It is passed through air and combustion-supporting material), the part that runner adsorbent is reproduced enters cooling zone after cooling, and is transferred to adsorption zone again
Secondary carry out adsorption operations.Runner adsorbent experiencings adsorption-desorption-cooling repetitive process.
Preferred exhaust gas, which enters on pipe 8, in the present embodiment is also connected with exhaust gas dump pipe 15, exhaust gas dump pipe 15
It is equipped with control valve 16.Exhaust gas dump pipe 15 is used to carry out dump to exhaust gas in the system failure, or exhaust gas is drawn
Enter other VOCs processing systems.
Preferred exhaust gas enters pipe 8 in the present embodiment and fresh wind enters on pipe 9 and is equipped with control valve 16.It is fresh by being arranged
Wind enters pipe 9, and enters pipe 8 in exhaust gas and fresh wind enters on pipe 9 and is equipped with control valve 16, increases suddenly in exhaust gas VOCs content
Gao Shi can enter the exhaust gas flow of system by reducing, while be passed through fresh air, to be lowered into the exhaust gas of adsorption zone A
VOCs content, cooperate and can guarantee that the VOCs content of gas being discharged after adsorption zone A absorption reaches with runner rotational speed regulation
It is required that adjusting runner revolving speed compared to independent, adjusting is more flexible, and can adapt to the exhaust gas of VOCs too high levels.It is passed through
Although fresh air can make system effectiveness relative reduction, compared to gas not up to standard is discharged, the reduction of this efficiency is can
With received.
The output end of the cooling zone B of preferred cooling wind bypass 12 and concentration runner 1 is with desorption area C's in the present embodiment
Control valve 16 is equipped in the second branch 11 of input terminal.Using active carbon type adsorbent, low energy consumption, and since active carbon is inhaled
Desorption temperature when attached dose of use is lower (about 120 DEG C), if the temperature of desorption gas is too high, it is unfavorable to will cause to active carbon, this
Utility model bypasses 12 by setting cooling wind, and control valve 16 is arranged, and can adjust in real time into the desorption gas in desorption area
Temperature makes that efficient, stable progress is desorbed.
The output end of preferred catalytic burner 6 also passes through exhaust gas bleeder 14 and directly connects with chimney 7 in the present embodiment
It connects, exhaust gas bleeder 14 is equipped with control valve.The flexibility of recuperation of heat is enhanced by above-mentioned setting.
The present embodiment preferably system further includes the pressure transmitter 17 for being respectively arranged at absorption blower 2 and blower 3 being desorbed.
The above-mentioned description to embodiment be intended to facilitate those of ordinary skill in the art to understand and use it is practical new
Type.Person skilled in the art obviously easily can make various modifications to these embodiments, and described herein
General Principle is applied in other embodiments without having to go through creative labor.Therefore, the utility model is not limited to above-mentioned reality
Example is applied, those skilled in the art's announcement according to the present utility model does not depart from the improvement and repair that the utility model scope is made
Changing should all be within the protection scope of the utility model.
Claims (7)
1. a kind of coating material production VOCs exhaust treatment system, including activated carbon adsorption dosage form concentration runner (1), absorption blower
(2), blower (3), first-class heat exchanger (4), secondary heat exchanger (5), catalytic combustion system (6) and chimney (7) is desorbed, described is dense
Contracting runner (1) division has adsorption zone (A), desorption area (B) and cooling zone (C)；It is characterized in that, the absorption blower (2)
Input terminal is connected with that exhaust gas enters pipe (8) and fresh wind enters pipe (9), and the output end of absorption blower (2) passes through the first branch
(10) it is successively connect with the adsorption zone (A) of concentration runner (1) and chimney (7), the output end of absorption blower (2) passes through second branch
(11) the successively desorption area with the cooling zone (C) of concentration runner (1), the warming pipeline of first-class heat exchanger (4), concentration runner (1)
(C), blower (3) are desorbed and the warming pipeline of secondary heat exchanger (5) is connect with the input terminal of catalytic combustion system (6), are catalyzed
The output end of burner (6) successively passes through the drop of first-class heat exchanger (4) and secondary heat exchanger (5) by exhaust pipe (13)
Warm pipeline is connect with chimney (7)；On second branch (11), the output end of the cooling zone (B) of concentration runner (1) and desorption area
(C) cooling wind bypass (12) is connected between input terminal.
2. coating material production according to claim 1 VOCs exhaust treatment system, which is characterized in that the exhaust gas enters
Pipe (8) and fresh wind, which enter on pipe (9), is equipped with control valve (16).
3. coating material production according to claim 1 VOCs exhaust treatment system, which is characterized in that the exhaust gas enters
Exhaust gas dump pipe (15) is also connected on pipe (8), the exhaust gas dump pipe (15) is equipped with control valve (16).
4. coating material production according to claim 1 VOCs exhaust treatment system, which is characterized in that cooling wind bypasses (12)
And control is equipped in the output end of the cooling zone (B) of concentration runner (1) and the second branch (11) of the input terminal of desorption area (C)
Valve (16) processed.
5. coating material production according to claim 1 VOCs exhaust treatment system, which is characterized in that the catalysis burning
The output end of device (6) also passes through exhaust gas bleeder (14) and directly connect with chimney (7).
6. coating material production according to claim 5 VOCs exhaust treatment system, which is characterized in that the exhaust gas discharge
Branch pipe (14) is equipped with control valve.
7. coating material production according to claim 1 VOCs exhaust treatment system, which is characterized in that the system further includes point
It is not set to absorption blower (2) and the pressure transmitter (17) of blower (3) is desorbed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822147286.2U CN209333471U (en) | 2018-12-20 | 2018-12-20 | Coating material production VOCs exhaust treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822147286.2U CN209333471U (en) | 2018-12-20 | 2018-12-20 | Coating material production VOCs exhaust treatment system |
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| Publication Number | Publication Date |
|---|---|
| CN209333471U true CN209333471U (en) | 2019-09-03 |
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ID=67758009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822147286.2U Active CN209333471U (en) | 2018-12-20 | 2018-12-20 | Coating material production VOCs exhaust treatment system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112452314A (en) * | 2020-12-14 | 2021-03-09 | 江苏省环境工程技术有限公司 | In-situ treatment device and method for waste activated carbon after VOCs adsorption |
| CN114377517A (en) * | 2021-11-22 | 2022-04-22 | 同济大学 | Coating waste gas purification system and method based on functional mesoporous silica rotating wheel |
-
2018
- 2018-12-20 CN CN201822147286.2U patent/CN209333471U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112452314A (en) * | 2020-12-14 | 2021-03-09 | 江苏省环境工程技术有限公司 | In-situ treatment device and method for waste activated carbon after VOCs adsorption |
| CN114377517A (en) * | 2021-11-22 | 2022-04-22 | 同济大学 | Coating waste gas purification system and method based on functional mesoporous silica rotating wheel |
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Address after: Room 12160, building 21 (22), 1692 Xinghu Avenue, Nantong Economic and Technological Development Zone, Jiangsu Province Patentee after: MEGA P&C (NANTONG) Co.,Ltd. Patentee after: Maijiaxincai new material technology (Shanghai) Co.,Ltd. Address before: Room 12160, building 21 (22), 1692 Xinghu Avenue, Nantong Economic and Technological Development Zone, Jiangsu Province Patentee before: MEGA P&C (NANTONG) Co.,Ltd. Patentee before: MEGA COATINGS Co.,Ltd. |