CN207745678U - A kind of skid-mounted type strengthens the device of absorption process improvement organic exhaust gas containing VOC - Google Patents
A kind of skid-mounted type strengthens the device of absorption process improvement organic exhaust gas containing VOC Download PDFInfo
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- CN207745678U CN207745678U CN201720988177.6U CN201720988177U CN207745678U CN 207745678 U CN207745678 U CN 207745678U CN 201720988177 U CN201720988177 U CN 201720988177U CN 207745678 U CN207745678 U CN 207745678U
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- Prior art keywords
- absorption
- mixing tube
- skid
- voc
- exhaust gas
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- 238000010521 absorption reaction Methods 0.000 title claims abstract description 48
- 238000000034 method Methods 0.000 title claims abstract description 23
- 230000008569 process Effects 0.000 title claims abstract description 20
- 230000006872 improvement Effects 0.000 title abstract description 4
- 239000006096 absorbing agent Substances 0.000 claims abstract description 15
- 238000003795 desorption Methods 0.000 claims abstract description 8
- 239000007788 liquid Substances 0.000 claims description 38
- 238000002156 mixing Methods 0.000 claims description 28
- 238000011069 regeneration method Methods 0.000 claims description 15
- 230000008929 regeneration Effects 0.000 claims description 14
- 238000009835 boiling Methods 0.000 claims description 6
- 230000008676 import Effects 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 3
- 230000003068 static effect Effects 0.000 claims description 3
- 239000005416 organic matter Substances 0.000 abstract description 12
- 239000003960 organic solvent Substances 0.000 abstract description 4
- 239000002250 absorbent Substances 0.000 abstract description 3
- 230000002745 absorbent Effects 0.000 abstract description 3
- 238000010494 dissociation reaction Methods 0.000 abstract description 2
- 230000005593 dissociations Effects 0.000 abstract description 2
- 239000000686 essence Substances 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 50
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 6
- 238000011084 recovery Methods 0.000 description 6
- 238000004064 recycling Methods 0.000 description 6
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical group CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- NNBZCPXTIHJBJL-UHFFFAOYSA-N decalin Chemical compound C1CCCC2CCCCC21 NNBZCPXTIHJBJL-UHFFFAOYSA-N 0.000 description 4
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 239000002440 industrial waste Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 239000003463 adsorbent Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- QGJOPFRUJISHPQ-NJFSPNSNSA-N carbon disulfide-14c Chemical compound S=[14C]=S QGJOPFRUJISHPQ-NJFSPNSNSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 235000019441 ethanol Nutrition 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000008096 xylene Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005338 heat storage Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 210000002381 plasma Anatomy 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000012855 volatile organic compound Substances 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Treating Waste Gases (AREA)
Abstract
A kind of skid-mounted type strengthens the device of absorption process improvement organic exhaust gas containing VOC, is made of micro- absorption pretreatment unit, absorptive unit, desorption unit, including miniature absorber, absorption tower, desorption tower.Micro- absorptive unit realizes VOC pre-absorption by miniature absorber；Absorptive unit realizes that VOC essences are de-, and desorption unit realizes VOC dissociation, and regenerates organic solvent return and recycle.Skid-mounted type, which strengthens absorption plant, can fully absorb the organic solvent in the exhaust gas containing volatile organic matter using absorbent, and absorbent recycles, and absorptivity is high, while considering the emptying problem of fixed gas, and operating cost is low, and operation and maintenance are convenient, greenism.
Description
Technical field
The utility model is related to a kind of skid-mounted types to strengthen the device that absorption process administers the organic exhaust gas containing VOC, belong to chemical industry ring
Guarantor field is related in the fields such as coal chemical industry, oil refining, petrochemical industry, fine chemistry industry, pharmacy, printing, coating, ink containing acetone, first
The one or more volatility organic tail gas such as alcohol, ethyl alcohol, carbon tetrachloride, carbon disulfide, benzene,toluene,xylene, decahydronaphthalene
Recovery Purifying utilizes.
Background technology
The emission control of volatile organic matter (volatile organic compound) is that one of environmental protection is important
Engineering, environment protection treating are divided into front end Treatment process and end-of-pipe control technology, and it is optimal path that front end, which is administered, that is, does not have to or gradually subtract
The usage amount of few volatile organic matter (VOC)；Under the overall situation that front end Treatment process cannot fully meet environmental requirement, in mesh
Before, end-of-pipe control technology is beneficial complement.In terms of end-of-pipe control, there are three types of ways relatively common at present, first, recycling
Technique, the means mainly used are condensation, absorption-pressure swing regeneration, absorption-hot wind regeneration, absorption-steam regeneration, absorption-chemistry
Regeneration；Second is that the treatment process based on absorption, the scheme of use includes adsorbing-melting down regeneration, absorption-discarding (dangerous waste)；The
Three kinds of methods be destroy based on scheme, mainly adopt the technology that, TO directly burns, RTO heat-accumulation combustions, RCO heat-storage catalytics
Burning, the collaboration of SQU resonance quantum, JETI jet streams ion, ACP atmosphere pressure glow discharge plasmas etc..
Adsorption treatment is generally industrially used to the processing of exhaust gas at present, patent CN 203291683U, which disclose one kind, to be had
Machine waste gas treatment device needs to regularly replace adsorbent although the device manufacturing is at low cost.Patent CN02137836.3 is public
A kind of recovery technology of volatile organic matter in mixed gas is opened, it is proposed that " compression, " film cascades film point for condensation separation recycling-
From recycling "-comprehensive recycling process the technology of " recycling of adsorbent adsorbing separation ", industrial implementation process shows to make in mixed gas
99% or more of volatile organic matter is recycled.
In view of the defect containing volatile organic matter (VOC) industrial waste gas environment protection treating demand and existing recovery process equipment,
To applicability and versatile, economic benefit is excellent, and Wind Volume, low concentration is especially suitble to contain volatile organic matter (VOC) work
The method and device research of industry exhaust gas environment protection treating recycling becomes the hot spot of industry research.Therefore, it is necessary to a kind of more efficient sections
The processing mode of energy is used for handling industrial waste gas, removes the volatile organic matter in exhaust gas, and recycle as possible, becomes current
The emphasis research direction of the environment protection treating of industrial waste gas containing VOC urgently to be resolved hurrily.
Invention content
In order to achieve the above object, the utility model takes technical solution below：A kind of skid-mounted type reinforcing absorption ruling by law
The device for managing the organic exhaust gas containing VOC, is made of micro- absorption pretreatment unit, absorptive unit, desorption unit, including miniature absorption
Device, absorption tower, desorption tower.Micro- absorptive unit realizes VOC pre-absorption by miniature absorber；Absorptive unit realizes VOC essences
It is de-, and desorption unit realizes VOC dissociation, and regenerate organic solvent return and recycle.
A kind of skid-mounted type strengthens absorption process and administers the device of the organic exhaust gas containing VOC to realize, including mixing tube
(1), separator (2), miniature absorber (5), absorption tower (6), desorber (7), poor rich liquid heat exchanger (10), lean solution cooler
(11), the main static equipment of regeneration boiling device (12), rich solution pump (13), lean pump (14) and dynamic equipment composition.
The miniature absorber (5) is located at the gas access of absorption tower (6), its main feature is that, including it is vertically arranged
The top of mixing tube (1) and separator (2), mixing tube (1) is equipped with unstripped gas entrance, is equipped in mixing tube (1) opening up
Atomizer (4), atomizer (4) are connected by inlet tube (3) with the lean pump (14) of mixing tube (1) outside is located at, mixing tube (1)
Bottom is equipped with gas liquid outlet, and gas liquid outlet connects with the gas-liquid import being located at the top of separator (2).
Absorption tower (6) bottom and desorber (7) passes through rich solution pump (13), poor rich liquid heat exchanger (10) and pipeline phase
Even, desorber (7) bottom and absorption tower (6) top pass through lean pump (14), poor rich liquid heat exchanger (10), lean solution cooler (11)
And pipeline is connected, and is connected with decontaminating separator (8) by pipeline at the top of absorption tower (6), by pipeline and again at the top of desorber (7)
Raw separator (9) is connected.
The miniature absorber (5) includes vertically arranged mixing tube (1) and separator (2).
The atomizer (4) is arranged at least provided with three along the axis interval of mixing tube (1).
Exhaust gas containing volatile organic matter be related to coal chemical industry, oil refining, petrochemical industry, fine chemistry industry, pharmacy, printing, coating,
In the fields such as ink containing acetone, methanol, ethyl alcohol, carbon tetrachloride, carbon disulfide, benzene,toluene,xylene, decahydronaphthalene etc. it is a kind of or
The Recovery Purifying of a variety of volatility organic tail gas of person utilizes.
The operational process of device is as follows in the present embodiment：Unstripped gas containing VOC enters miniature absorber (5), first from upper and
Lower to enter in mixing tube (1), absorbing liquid through inlet tube (3), is atomized upwards by lean pump (14) under the action of atomizer (4),
It inversely clashes with unstripped gas, fully emulsified mixing, mixing tube (1) bottom is equipped with gas liquid outlet, gas liquid outlet and is located at separator
(2) the gas-liquid import at the top of connects, and the two-phase after absorption carries out two-phase by special separator (2) and is completely separated afterwards, separator
(2) bottom is equipped with gas vent, and the gas after reaction is delivered in absorption tower (6).
It is contacted with top-down absorbing liquid during gas flows up in tower, the volatile organic matter in air-flow
VOC is absorbed, and by being located at the demister at the top of absorption tower (6), is left purified gas separating device (8) from tower top and is separated folder
The mist of band becomes purified gas qualified discharge.
The rich solution for absorbing VOC is flowed out from absorption tower (6) bottom, is entered in poor rich liquid heat exchanger (10) via rich solution pump (13)
It exchanges heat with lean solution, after recovery section heat, enters from desorber (7) top, with tower bottom steam boiling device from bottom to top
(12) the stripping vapor counter current contacting generated, desorbs VOC gas therein.Regeneration gas warp at the top of from desorber (7) out
Rear process is gone after moisture trap (9) recycling condensate liquid.
The preferable absorbing liquid of regeneration (lean solution) come out from desorber (7) bottom enters rich or poor through lean pump (14) pressurization
Liquid heat exchanger (10) exchanges heat with rich solution, after being then fed into lean solution cooler (11) cooling, finally enters and is followed at the top of absorption tower (6)
Ring utilizes.
The advantages of the utility model：A kind of skid-mounted type strengthens the device utilization absorption of absorption process improvement organic exhaust gas containing VOC
Agent can fully absorb the organic solvent in the exhaust gas containing volatile organic matter, and absorbent recycles, and absorptivity is high, considers simultaneously
The emptying problem of fixed gas, operating cost is low, and operation and maintenance are convenient, greenism.
Description of the drawings
Fig. 1 is the device that a kind of skid-mounted type strengthens that absorption process administers the organic exhaust gas containing VOC.
In Fig. 1, (1)-mixing tube, (2)-separator, (3)-inlet tube, (4)-atomizer, (5)-miniature absorber, (6)-
Absorption tower, (7)-desorber, (8)-decontaminating separator, (9)-regeneration separators, (10)-poor rich liquid heat exchanger, (11)-lean solution are cold
But device, (12)-regenerate boiling device, (13)-rich solution pump, (14)-lean pump.
Specific implementation mode
The content of the utility model is described in further details with reference to Fig. 1 and specific embodiment.
Embodiment：
As shown in Figure 1, the present invention implement by a kind of skid-mounted type strengthen absorption process administer the organic exhaust gas containing VOC device come
It realizes, including mixing tube (1), separator (2), miniature absorber (5), absorption tower (6), desorber (7), poor rich liquid heat exchanger
(10), lean solution cooler (11), regeneration boiling device (12), rich solution pump (13), the main static equipment of lean pump (14) and dynamic equipment group
At.
Miniature absorber (5) is located at the gas access of absorption tower (6), its main feature is that, including vertically arranged mixing tube
(1) it is equipped with unstripped gas entrance, opening up atomizer is equipped in mixing tube (1) with separator (2), the top of mixing tube (1)
(4), atomizer (4) is connected by inlet tube (3) with the lean pump (14) of mixing tube (1) outside is located at, the bottom of mixing tube (1)
Equipped with gas liquid outlet, gas liquid outlet connects with the gas-liquid import being located at the top of separator (2).
Absorption tower (6) bottom is connected with desorber (7) by rich solution pump (13), poor rich liquid heat exchanger (10) and pipeline, solution
It inhales tower (7) bottom and absorption tower (6) top and passes through lean pump (14), poor rich liquid heat exchanger (10), lean solution cooler (11) and pipe
Road is connected, and is connected with decontaminating separator (8) by pipeline at the top of absorption tower (6), passes through pipeline and regeneration at the top of desorber (7)
Separator (9) is connected.
The operational process of device is as follows in the present embodiment：
When startup, unstripped gas containing VOC enters miniature absorber, enters in mixing tube from top to bottom first, absorbing liquid is by poor
Liquid pump is atomized through inlet tube under the action of atomizer upwards, is inversely clashed with unstripped gas, fully emulsified mixing, mixing tube bottom
Portion is equipped with gas liquid outlet, and gas liquid outlet connects with the gas-liquid import being located at the top of separator, and the two-phase after absorption passes through special point
It is completely separated from two-phase is carried out after device, the bottom of separator is equipped with gas vent, and the gas after reaction is delivered in absorption tower.
It being contacted with top-down absorbing liquid during gas flows up in tower, the volatile organic matter VOC in air-flow is absorbed,
By the demister at the top of absorption tower, the mist that purified gas separating device separates entrainment is left from tower top, becomes purification
Gas qualified discharge.Absorb VOC rich solution, go out from absorber column bottoms stream, via rich solution pump enter in poor rich liquid heat exchanger with lean solution into
Row exchanges heat, and after recovery section heat, enters from desorber top, is steamed with the air lift that tower bottom steam boiling device from bottom to top generates
Vapour counter current contacting desorbs VOC gas therein.Regeneration gas at the top of from desorber out recycles condensate liquid through moisture trap
After go rear process.The preferable absorbing liquid of regeneration (lean solution) come out from desorption tower bottom, pressurizes through lean pump and is changed into rich or poor liquid
Hot device exchanges heat with rich solution, after being then fed into lean solution cooler cooling, finally enters and is recycled at the top of absorption tower.
Claims (3)
1. a kind of skid-mounted type strengthens the device that absorption process administers the organic exhaust gas containing VOC, it is characterised in that：It is pre-processed by micro- absorption single
Member, absorptive unit, desorption unit composition, by including mixing tube (1), separator (2), miniature absorber (5), absorption tower (6), solution
Inhale tower (7), poor rich liquid heat exchanger (10), lean solution cooler (11), regeneration boiling device (12), rich solution pump (13), lean pump (14)
Main static equipment and dynamic equipment composition；Miniature absorber (5) is located at the gas access of absorption tower (6), its main feature is that, including it is perpendicular
To the mixing tube (1) and separator (2) of setting, the top of mixing tube (1) is equipped with unstripped gas entrance, is equipped with and opens in mixing tube (1)
The atomizer (4) of mouth upward, atomizer (4) are connected by inlet tube (3) with the lean pump (14) of mixing tube (1) outside is located at, and are mixed
The bottom for closing pipe (1) is equipped with gas liquid outlet, and gas liquid outlet connects with the gas-liquid import being located at the top of separator (2)；Absorption tower (6)
Bottom is connected with desorber (7) by rich solution pump (13), poor rich liquid heat exchanger (10) and pipeline, desorber (7) bottom and absorption
Tower (6) top is connected by lean pump (14), poor rich liquid heat exchanger (10), lean solution cooler (11) and pipeline, absorption tower (6) top
Portion is connected by pipeline with decontaminating separator (8), is connected with regeneration separators (9) by pipeline at the top of desorber (7).
2. a kind of skid-mounted type according to claim 1 strengthens the device that absorption process administers the organic exhaust gas containing VOC, feature exists
In：Miniature absorber (5) includes vertically arranged mixing tube (1) and separator (2).
3. a kind of skid-mounted type according to claim 1 strengthens the device that absorption process administers the organic exhaust gas containing VOC, feature exists
In：Atomizer (4) is arranged at least provided with three along the axis interval of mixing tube (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720988177.6U CN207745678U (en) | 2017-07-21 | 2017-07-21 | A kind of skid-mounted type strengthens the device of absorption process improvement organic exhaust gas containing VOC |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720988177.6U CN207745678U (en) | 2017-07-21 | 2017-07-21 | A kind of skid-mounted type strengthens the device of absorption process improvement organic exhaust gas containing VOC |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207745678U true CN207745678U (en) | 2018-08-21 |
Family
ID=63146792
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720988177.6U Expired - Fee Related CN207745678U (en) | 2017-07-21 | 2017-07-21 | A kind of skid-mounted type strengthens the device of absorption process improvement organic exhaust gas containing VOC |
Country Status (1)
| Country | Link |
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| CN (1) | CN207745678U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110090531A (en) * | 2019-05-22 | 2019-08-06 | 中国石油集团东北炼化工程有限公司锦州设计院 | A kind of efficient refinery's organic waste gas treatment device containing benzene and processing method |
| CN114515497A (en) * | 2020-11-19 | 2022-05-20 | 中国石油化工股份有限公司 | Treatment system and treatment method for divinylbenzene production tail gas |
-
2017
- 2017-07-21 CN CN201720988177.6U patent/CN207745678U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110090531A (en) * | 2019-05-22 | 2019-08-06 | 中国石油集团东北炼化工程有限公司锦州设计院 | A kind of efficient refinery's organic waste gas treatment device containing benzene and processing method |
| CN114515497A (en) * | 2020-11-19 | 2022-05-20 | 中国石油化工股份有限公司 | Treatment system and treatment method for divinylbenzene production tail gas |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20180821 |