CN206682961U - Concentration and purifier for organic exhaust gas - Google Patents
Concentration and purifier for organic exhaust gas Download PDFInfo
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- CN206682961U CN206682961U CN201720507313.5U CN201720507313U CN206682961U CN 206682961 U CN206682961 U CN 206682961U CN 201720507313 U CN201720507313 U CN 201720507313U CN 206682961 U CN206682961 U CN 206682961U
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- gas
- closed loop
- loop circulation
- air path
- concentration
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- Incineration Of Waste (AREA)
Abstract
The utility model provides a kind of concentration for being used for organic exhaust gas (VOC) and purifier, belongs to air environment protection treating technical field.It solves the high problem of the big VOCs treatment cost of air quantity.It includes gas recovery system and gas CIU, and gas recovery system includes blast pipe, closed loop circulation air path, distributing backwind tube, fresh air air collecting pipe and the ventilation power-equipment connected with exhaust air chamber；The fume pipe that gas CIU includes incinerator, the gas in closed loop circulation air path is introduced to the induced duct of incinerator and connected with incinerator, the heat exchanger tube connected with fume pipe is provided with closed loop circulation air path, is connected after the outlet side stretching closed loop circulation air path of heat exchanger tube with an aiutage.The concentration of organic exhaust gas can be realized by the present apparatus, improves production technology, reduces waste gas discharge, lifts waste gas calorific value, reduce processing cost, while saves energy consumption, creates energy reuse value.
Description
Technical field
The utility model belongs to air environment protection treating technical field, is related to a kind of concentration and purifier, particularly one kind
Concentration and purifier for organic exhaust gas (VOC).
Background technology
VOC (VOCs, Volat i le Organic Compounds) be petrochemical industry, pharmacy,
One of common pollutant of the industrial processes such as printing, spray painting and motor vehicles discharge.With industrial expansion, VOCs rows
It is high-volume growing day by day, have the characteristics that scope is wide, discharge capacity is big, it is administered as one of focus of current international environment, phase
It is also increasingly strict to close environmental legislation.
Organic exhaust gas is usually present that inflammable, explosive, poisonous and harmful, not soluble in water, to be dissolved in organic solvent, intractability big
The characteristics of.In VOCs treatment generally using organic exhaust gas active-carbon adsorption treatment method, Production by Catalytic Combustion Process, catalysis oxygen
A variety of principles such as change method, acid-base neutralization method, plasma method.Relatively good organic waste gas treatment method is catalyzing, oxidizing and purifying system
System, design of Treatment of Waste Gas is careful, purification filtering waste gas layer by layer, but the purification system of VOC of the prior art
System is mostly complicated, and catalytic efficiency is low, and exhaust-gas treatment is not clean, easily causes environmental pollution etc..Therefore, some existing enterprises
Processing mode to organic compound is burning, and the VOCs in press oven is transported in incinerator, VOCs is carried out high
Warm burning disposal, free of contamination gas is discharged by fume emission cylinder after burning, but this burning disposal mode is in conveying VOCs
During can cause VOCs thermal loss, so as to cause the energy consumption of baking oven to increase；For the big VOCs treatment of air quantity into
This is then higher.
The content of the invention
The purpose of this utility model is above mentioned problem be present for existing technology, it is proposed that a kind of achievable organic exhaust gas
Concentration, the concentration for organic exhaust gas (VOC) of energy consumption and purifier reduced by heat exchange.
The purpose of this utility model can be realized by following technical proposal：
This is used for the concentration of organic exhaust gas (VOC) and purifier, including gas recovery system and gas CIU, institute
The gas recovery system stated includes and the blast pipe of exhaust air chamber connection, the closed loop circulation air path, the Ruo Ganshe that are connected with blast pipe
Set in the distributing backwind tube on closed loop circulation air path, the fresh air air collecting pipe on closed loop circulation air path and ventilation power
Standby, the other end of the distributing backwind tube connects with exhaust air chamber, it is characterised in that described gas CIU includes burning
Stove, the induced duct that the gas in closed loop circulation air path is introduced to incinerator and the fume pipe connected with incinerator, it is described
The heat exchanger tube connected with fume pipe is provided with closed loop circulation air path, closed loop circulation air path is stretched out in the outlet side of the heat exchanger tube
Connected afterwards with an aiutage.
In the above-mentioned concentration for organic exhaust gas (VOC) and purifier, described power-equipment is included located at closing
Circulating fan on ring type circulation air path, the air-introduced machine between distributing backwind tube and exhaust air chamber and located at incinerator and cigarette
Blower fan between tracheae.Gas circulates in closed loop circulation air path in the presence of circulating fan, and portion gas is dispersed through formula
Backwind tube enters exhaust air chamber, and portion gas is entered in incinerator through induced duct in the presence of blower fan and burned, carried after burning
The gas of heat is entered in heat exchanger tube by fume pipe, is finally discharged by aiutage.In the process by control blast with
Air quantity, adjustment exhausting amount (gas flow of blast pipe), return air amount (gas flow of distributing backwind tube) and benefit resh air requirement are (new
Elegance tracheae) between ratio, be allowed to balance, system reaches stable state.
Under poised state, the gas of fraction high concentration is separated into incinerator in the presence of extension set,
Under thermal oxide catalytic action, organic principle is degraded to CO2And H2O, eliminate pollution.Because gas heating value is high, incinerator will produce
Raw surplus heat, the heat enter in heat exchanger tube with fume pipe, and heat is back to use production link, can reduce the energy of production link
Consumption.
In the above-mentioned concentration for organic exhaust gas (VOC) and purifier, described closed loop circulation air path passes through
Straight tube is connected with aiutage, and described straight tube is provided with valve one.
In the above-mentioned concentration for organic exhaust gas (VOC) and purifier, the outlet side of the heat exchanger tube, which is stretched out, to be closed
Part outside ring type circulation air path is provided with flue gas branch pipe, and flue gas branch pipe connects with closed loop circulation air path, described flue gas branch
Pipe is provided with valve two.
In the above-mentioned concentration for organic exhaust gas (VOC) and purifier, described fresh air air collecting pipe is provided with valve
Door three.
Compared with prior art, this, which is used for the concentration of organic exhaust gas (VOC) and purifier, has advantages below：It is not only
Waste gas pollution control and treatment problem can be efficiently solved, the purpose of energy-saving and emission-reduction can also be can reach, can be realized by the present apparatus organic
The concentration of waste gas, improve production technology, reduce waste gas discharge, lift waste gas calorific value, reduce processing cost, while save production energy
Consumption, create energy reuse value.
Brief description of the drawings
Fig. 1 is the structural representation of preferred embodiment provided by the utility model.
In figure, 1, exhaust air chamber；2nd, blast pipe；3rd, closed loop circulation air path；4th, distributing backwind tube；5th, fresh air air collecting pipe；
6th, incinerator；7th, induced duct；8th, fume pipe；9th, heat exchanger tube；10th, aiutage；11st, circulating fan；12nd, air-introduced machine；13rd, blower fan；
14th, straight tube；15th, valve one；16th, flue gas branch pipe；17th, valve two；18th, valve three.
Embodiment
It is specific embodiment of the utility model and with reference to accompanying drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these embodiments.
As shown in Figure 1 concentration and purifier for organic exhaust gas (VOC), including gas recovery system are burnt with gas
Burning system, gas recovery system include with exhaust air chamber 1 connect blast pipe 2, be connected with blast pipe 2 closed loop circulation air path 3,
Some distributing backwind tubes 4 on closed loop circulation air path 3, the and of fresh air air collecting pipe 5 on closed loop circulation air path 3
Ventilation power-equipment, the other end of distributing backwind tube 4 connect with exhaust air chamber 1.
As shown in figure 1, gas CIU includes incinerator 6, the gas in closed loop circulation air path 3 is introduced into burning
The induced duct 7 of stove 6 and the fume pipe 8 connected with incinerator 6, the heat exchange connected with fume pipe 8 is provided with closed loop circulation air path 3
Pipe 9, the outlet side of heat exchanger tube 9 connect after stretching out closed loop circulation air path 3 with an aiutage 10.
In the present embodiment, power-equipment returns including the circulating fan 11 on closed loop circulation air path 3, located at distributing
Air-introduced machine 12 between airduct 4 and exhaust air chamber 1 and the blower fan between incinerator 6 and fume pipe 8 13.In circulating fan 11
The lower gas of effect circulates in closed loop circulation air path 3, and portion gas is dispersed through formula backwind tube 4 and enters exhaust air chamber 1, portion gas
Enter in incinerator 6 and burn through induced duct 7 in the presence of blower fan 13, the gas with heat passes through fume pipe 8 after burning
Enter in heat exchanger tube 9, finally discharged by aiutage 10.In the process by controlling blast and air quantity, exhausting amount is adjusted
(gas flow of blast pipe 2), return air amount (gas flow of distributing backwind tube 4) and mend resh air requirement (fresh air air collecting pipe 5) it
Between ratio, be allowed to balance, system reaches stable state.
Under poised state, the gas of fraction high concentration is separated in the presence of extension set into incinerator 6,
Under thermal oxide catalytic action, organic principle is degraded to CO2 and H2O, eliminate pollution.Because gas heating value is high, incinerator 6 will
Surplus heat is produced, the heat enters in heat exchanger tube 9 with fume pipe 8, and heat is back to use production link, can reduce production link
Energy consumption.
As shown in figure 1, closed loop circulation air path 3 is connected by straight tube 14 with aiutage 10, straight tube 14 is provided with valve one
15.As shown in figure 1, the part that the outlet side of heat exchanger tube 9 is stretched out outside closed loop circulation air path 3 is provided with flue gas branch pipe 16, flue gas
Branch pipe 16 connects with closed loop circulation air path 3, and flue gas branch pipe 16 is provided with valve 2 17.As shown in Fig. 1, fresh air air collecting pipe 5
It is provided with valve 3 18.
If circulating fan design discharge is 13500m3/h according to 18000m3/h, return air amount, flue gas draft capacity is
4500m3/h, the exhaust air rate so discharged by fume pipe is also 4500m3/h, so as to realize the circularly purifying to VOCS.
Theoretical calculation is according to as follows：
Blast circulation concentration theoretical calculation
Form explanation：
(1) precondition：Air quantity is constant；Constant concentration；Each cycle concentration volatile quantity is constant.Fresh air is considered as air；
(2) resh air requirement 20% is mended in design, and reuse air quantity 80%, cycles of concentration is 1 ÷ 20%=5；
(3) initial cycle concentration is C0, and the exhaust gas concentration of n-th circulation is：CN=C0+C (N-1) * 80%；
(4) calculated according to formula, can be inferred that 13h circulation, waste gas VOC concentration has reached aimed concn
95%, VOC calorific value significantly raise.20h system convergence poised states.
Specific embodiment described herein is only to the utility model spirit explanation for example.The utility model institute
Category those skilled in the art can make various modifications or supplement to described specific embodiment or using similar
Mode substitute, but without departing from spirit of the present utility model or surmount scope defined in appended claims.
Claims (5)
1. one kind is used for concentration and the purifier of organic exhaust gas (VOC), including gas recovery system and gas CIU, institute
The gas recovery system stated includes and the blast pipe (2) of exhaust air chamber (1) connection, the closed loop circulated air being connected with blast pipe (2)
Road (3), some distributing backwind tubes (4) on the closed loop circulation air path (3), on closed loop circulation air path (3)
Fresh air air collecting pipe (5) and ventilation power-equipment, the other end of the distributing backwind tube (4) connect with exhaust air chamber (1), its feature
It is, described gas CIU includes incinerator (6), the gas in closed loop circulation air path (3) is introduced into incinerator
(6) induced duct (7) and the fume pipe (8) connected with incinerator (6), are provided with described closed loop circulation air path (3) and cigarette
The heat exchanger tube (9) of tracheae (8) connection, the outlet side of the heat exchanger tube (9) stretch out closed loop circulation air path (3) afterwards with an aiutage
(10) connect.
2. the concentration and purifier according to claim 1 for organic exhaust gas (VOC), it is characterised in that described
Power-equipment includes circulating fan (11) on the closed loop circulation air path (3), located at distributing backwind tube (4) and exhaust air chamber
(1) air-introduced machine (12) between and the blower fan (13) between incinerator (6) and fume pipe (8).
3. the concentration and purifier according to claim 1 or 2 for organic exhaust gas (VOC), it is characterised in that described
Closed loop circulation air path (3) be connected by straight tube (14) with aiutage (10), described straight tube (14) is provided with valve one
(15)。
4. the concentration and purifier according to claim 1 or 2 for organic exhaust gas (VOC), it is characterised in that described
The outlet side of heat exchanger tube (9) stretches out the part of closed loop circulation air path (3) outside and is provided with flue gas branch pipe (16), flue gas branch pipe (16)
Connected with closed loop circulation air path (3), described flue gas branch pipe (16) is provided with valve two (17).
5. the concentration and purifier according to claim 1 or 2 for organic exhaust gas (VOC), it is characterised in that described
Fresh air air collecting pipe (5) be provided with valve three (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720507313.5U CN206682961U (en) | 2017-05-09 | 2017-05-09 | Concentration and purifier for organic exhaust gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720507313.5U CN206682961U (en) | 2017-05-09 | 2017-05-09 | Concentration and purifier for organic exhaust gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206682961U true CN206682961U (en) | 2017-11-28 |
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ID=60406505
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720507313.5U Expired - Fee Related CN206682961U (en) | 2017-05-09 | 2017-05-09 | Concentration and purifier for organic exhaust gas |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110102144A (en) * | 2019-06-11 | 2019-08-09 | 广东环葆嘉节能科技有限公司 | A kind of VOCs treatment integrated system |
-
2017
- 2017-05-09 CN CN201720507313.5U patent/CN206682961U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110102144A (en) * | 2019-06-11 | 2019-08-09 | 广东环葆嘉节能科技有限公司 | A kind of VOCs treatment integrated system |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171128 |
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| CF01 | Termination of patent right due to non-payment of annual fee |