CN204380483U - A kind of gas treatment equipment - Google Patents
A kind of gas treatment equipment Download PDFInfo
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- CN204380483U CN204380483U CN201420868896.0U CN201420868896U CN204380483U CN 204380483 U CN204380483 U CN 204380483U CN 201420868896 U CN201420868896 U CN 201420868896U CN 204380483 U CN204380483 U CN 204380483U
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- desorption
- treatment equipment
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Abstract
The utility model relates to a kind of gas treatment equipment, comprises absorbing unit, and described absorbing unit connects the first air inlet; Desorption unit, described desorption unit connects the second air inlet; Recovery unit; Described gas treatment equipment comprises further: dry cooling unit, described dry cooling unit connects the 3rd air inlet, surrounding air drying fan action, dry wind filter is entered from the 3rd air inlet, after enter described desorption unit drying cooling, carry away the organic matter that in desorption unit, high-temperature steam and adsorbent duct, absorber dead angle etc. remain secretly, dry cold gas to be lowered the temperature condensation by surface cooler, outlet is divided into two-way, one tunnel is expelled to the layering of layering groove, another road is expelled to described first air inlet, with pending gas and vapor permeation adsorption cleaning again.The utility model has the advantages such as tail gas is up to standard, desorption thorough, continuous and steady operation.
Description
Technical field
The utility model relates to waste gas pollution control and treatment and reclaims field, particularly a kind of steam desorption gas treating apparatus.
Background technology
The adsorption cleaning treatment technology of organic exhaust gas has developing history for many years, wherein steam desorption technology is because of its excellent desorption effect, lower investment and energy consumption, easily public work source, approved widely and use, but in use there is following shortcoming in steam desorption technology:
(1) for steam desorption technology, after desorption, absorber temperature is at about 100 DEG C, a large amount of steam is full of in absorber, carrying out in dry temperature-fall period, Wind Volume dry gas can, by residue vapor blowout in absorber, cause producing large quantity of fluid and white smoke in discharge duct and chimney, affects exhaust chimney service life on the one hand, the white mist of emission gases curls up on the other hand, affects environmental quality.
(2) any adsorbent is in desorption process, organic matter can not get off by 100% complete desorption, partial organic substances remains in adsorbent duct and absorber dead angle place, and the dry cooling process after desorption, reverse blow absorber, make discharge gas carry organic matter secretly and enter air, cause dry initial stage exhaust not up to standard.
Utility model content
In order to solve the deficiency in above-mentioned prior art, the utility model provides that a kind of tail gas is up to standard, desorption thoroughly, the gas treatment equipment of continous-stable.
The purpose of this utility model is achieved through the following technical solutions:
A kind of gas treatment equipment, comprising:
Absorbing unit, described absorbing unit connects the first air inlet;
Desorption unit, described desorption unit connects the second air inlet;
Recovery unit;
Described gas treatment equipment comprises further:
Dry cooling unit, described dry cooling unit connects the 3rd air inlet, surrounding air drying fan action, dry wind filter is entered from the 3rd air inlet, after enter described desorption unit drying cooling, carry away the organic matter that high-temperature steam in desorption unit and adsorbent duct, absorber dead angle are residual secretly, dry cold gas to be lowered the temperature condensation by surface cooler, outlet is divided into two-way, one tunnel is expelled to the layering of layering groove, another road is expelled to described first air inlet, with pending gas and vapor permeation adsorption cleaning again.
Further, the absorber of described absorbing unit is at least two.
Preferably, described absorber is two.
Further, the surface cooler outlet of described dry cooling unit arranges liquid seal device, prevents uncooled organic gas in surface cooler from entering layering groove and condenser.
Preferably, described liquid seal device is U-tube fluid-tight.
Further, described first air inlet arranges pressure transmitter, and ventilating fan regulates operating frequency automatically.
Compared with prior art, the beneficial effect that the utility model has is:
1, tail gas is up to standard
Dry cooling procedure gas does not directly discharge, but is introduced into surface cooler and cools to less than 40 DEG C, and steam is condensed and enters layering groove and carries out water-oil separating, and cooled gas returns the first air inlet and pending gas and vapor permeation, again discharges after absorption.
2, desorption is thorough
After steam desorption, pass into dry air, can take away a large amount of steam in absorber, take away the organic matter that adsorbent duct in absorbing unit, absorber dead angle are residual, desorption is more thorough simultaneously.
3, continous-stable
First air inlet arranges pressure transmitter, ventilating fan adopts the variable frequency adjustment stablizing admission pressure, energy adaptive device returns the rotational speed regulation of the different air quantity of adsorption process at normal air inlet and dry wind, avoid causing fluctuation to front end airflow pressure, ensures that gas treatment equipment is continuous, stable operation.
Accompanying drawing explanation
Fig. 1 is the gas treatment equipment structural representation of embodiment 2;
Detailed description of the invention
Embodiment 1
A kind of gas treatment equipment, comprising:
Absorbing unit, described absorbing unit connects the first air inlet;
Desorption unit, described desorption unit connects the second air inlet;
Recovery unit;
Described gas treatment equipment comprises further:
Dry cooling unit, described dry cooling unit connects the 3rd air inlet, surrounding air drying fan action, dry wind filter is entered from the 3rd air inlet, after enter described desorption unit drying cooling, carry away the organic matter that high-temperature steam in desorption unit and adsorbent duct, absorber dead angle are residual secretly, dry cold gas to be lowered the temperature condensation by surface cooler, outlet is divided into two-way, one tunnel is expelled to the layering of layering groove, another road is expelled to described first air inlet, with pending gas and vapor permeation adsorption cleaning again.
Further, described dry cold gas, after described surface cooler cooling condensation, reduces to less than 40 DEG C.
Further, after described absorber drying cooling, in absorber, temperature is down to environment temperature.
Further, the absorber of described absorbing unit is at least two.
Preferably, described absorber is two.
Further, the surface cooler outlet of described dry cooling unit arranges liquid seal device, prevents uncooled organic gas in surface cooler from entering layering groove and condenser.
Further, described surface cooler discharge opeing is highly greater than layering groove feed liquor height.
Preferably, described liquid seal device is U-tube fluid-tight.
Further, described U-tube height liquid seal should be enough to the pressure differential offsetting surface cooler and layering groove.
Preferably, described U-tube height liquid seal >=500mm.
In general, surface cooler and condenser are when onesize, and the large order of magnitude of contact area of the contact area rate condenser of surface cooler, is more suitable for condensation and the cooling of gas.Surface cooler can by a large amount of steam of blowing out from described absorber and a small amount of organic gas condensing, and the most of organic gas carried in steam is then discharged from the outlet of surface cooler.On described surface cooler export pipeline, U-tube fluid-tight is set, the generation of the phenomenon that prevents from collaborating.
Further, described first air inlet arranges pressure transmitter, and ventilating fan regulates operating frequency automatically.
Described first air inlet pipeline arranges pressure transmitter, and ventilating fan arranges variable frequency adjustment, returns the rotational speed regulation of the different air quantity of adsorption process with adaptive device at normal air inlet and dry wind, avoids causing fluctuation to front end airflow pressure.When described drying air fan does not start, described ventilating fan frequency reduces, and rotating speed slows down, and air output mates with air inlet wind; When described drying air fan starts, described ventilating fan frequency raises, faster rotational speed, and air output strengthens, and ensures that the first air inlet manifold pressure maintains tiny structure stable state, makes total air inlet and dry wind be admitted to absorber absorption all completely.
Preferably, described first air inlet manifold pressure controls at-50 ~-100Pa.
Compared with prior art, the beneficial effect that has of the utility model:
1, tail gas is up to standard: dry cooled gas does not directly discharge, but and the pending gas and vapor permeation of the first air inlet discharge after absorbing unit absorption again.
2, desorption is thorough: after steam desorption, and pass into the organic matter that dry air takes away adsorbent duct in absorbing unit, absorber dead angle remains, desorption is more thorough.
3, continous-stable: the first air inlet arranges pressure transmitter, ventilating fan adopts the variable frequency adjustment stablizing admission pressure, ensures that gas treatment equipment is continuous, stable operation.
Embodiment 2
The present embodiment is the application examples of embodiment 1.
Refer to Fig. 1, the present embodiment provides a kind of gas treatment equipment, comprising: ventilating fan 1, absorber 21, absorber 22, dry wind filter 3, drying air fan 4, surface cooler 5, condenser 6 and layering groove 7.
Under the effect of ventilating fan 1, pending organic exhaust gas enters described absorber 21, absorber 22 from the first air inlet A, and after absorption, absorption after-purification gas is disposed to air; Steam enters described absorber 21 from the second air inlet B, absorber 22 carries out desorption, desorption gas enters condenser 6 condensation, lime set enters layering groove 7 and carries out petroleum vapor recovery, and uncondensed gas is got back to the first air inlet A and mixed adsorption cleaning again with pending organic exhaust gas.
Steam desorption terminates, and in described absorber 21, absorber 22, temperature reaches 100 DEG C, and remains steam and non-desorption organic gas at adsorbent bed, absorber dead angle.Therefore, start dry cooling unit: surrounding air drying blower fan 4 acts on, dry wind filter 3 is entered from the 3rd air inlet C, after enter described absorber 21, absorber 22 drying cooling, take away the organic matter that adsorbent duct, absorber dead angle are residual, dry cold gas to be lowered the temperature condensation by surface cooler 5, and temperature reduces to 40 DEG C.Surface cooler 5 outlet is divided into two-way, and lime set is expelled to layering groove 7 through U-shaped pipe liquid seal device and carries out water-oil separating, and fixed gas is got back to described first air inlet A and mixed adsorption cleaning again with pending organic exhaust gas.
Further, described surface cooler leakage fluid dram arranges U-tube liquid seal device.
Preferably, described U-tube height liquid seal is 500mm.
Further, described first air inlet A arranges pressure transmitter, and ventilating fan 1 regulates operating frequency automatically, and described first air inlet A manifold pressure controls the micro-vacuum state between-50 ~-100Pa.
Above-mentioned embodiment should not be construed as the restriction to the utility model protection domain.Key of the present utility model is: comprise dry cooling unit further after steam desorption, and dry cold gas is cooled Posterior circle adsorption cleaning by thorough desorption simultaneously again, ensures that tail gas whole process is up to standard.When not departing from the utility model spirit, all should fall within protection domain of the present utility model the bright any type of change made of utility model.
Claims (5)
1. a gas treatment equipment, comprising:
Absorbing unit, described absorbing unit connects the first air inlet;
Desorption unit, described desorption unit connects the second air inlet;
Recovery unit;
It is characterized in that: described gas treatment equipment comprises further:
Dry cooling unit, described dry cooling unit connects the 3rd air inlet, surrounding air drying fan action, dry wind filter is entered from the 3rd air inlet, after enter described desorption unit drying cooling, carry away the organic matter that high-temperature steam in desorption unit and adsorbent duct, absorber dead angle are residual secretly, dry cold gas to be lowered the temperature condensation by surface cooler, outlet is divided into two-way, one tunnel is expelled to the layering of layering groove, another road is expelled to described first air inlet, with pending gas and vapor permeation adsorption cleaning again.
2. gas treatment equipment according to claim 1, is characterized in that: the absorber of described absorbing unit is at least 2.
3. gas treatment equipment according to claim 1, is characterized in that: the surface cooler outlet of described dry cooling unit arranges liquid seal device further, prevents uncondensed gas in surface cooler from entering layering groove and condenser.
4. gas treatment equipment according to claim 3, is characterized in that: described liquid seal device is U-tube fluid-tight.
5. gas treatment equipment according to claim 1, is characterized in that: described first air inlet arranges pressure transmitter, and ventilating fan regulates operating frequency automatically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420868896.0U CN204380483U (en) | 2014-12-31 | 2014-12-31 | A kind of gas treatment equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420868896.0U CN204380483U (en) | 2014-12-31 | 2014-12-31 | A kind of gas treatment equipment |
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| Publication Number | Publication Date |
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| CN204380483U true CN204380483U (en) | 2015-06-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420868896.0U Active CN204380483U (en) | 2014-12-31 | 2014-12-31 | A kind of gas treatment equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109331609A (en) * | 2018-11-12 | 2019-02-15 | 张家港绿色三星净化科技股份有限公司 | Molecular Adsorption separator |
| CN114931838A (en) * | 2022-03-29 | 2022-08-23 | 扬州海通电子科技有限公司 | Adsorption condensation recovery system and method |
-
2014
- 2014-12-31 CN CN201420868896.0U patent/CN204380483U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109331609A (en) * | 2018-11-12 | 2019-02-15 | 张家港绿色三星净化科技股份有限公司 | Molecular Adsorption separator |
| CN114931838A (en) * | 2022-03-29 | 2022-08-23 | 扬州海通电子科技有限公司 | Adsorption condensation recovery system and method |
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