CN104368220A - Novel efficient organic waste gas adsorption tower - Google Patents
Novel efficient organic waste gas adsorption tower Download PDFInfo
- Publication number
- CN104368220A CN104368220A CN201410212998.1A CN201410212998A CN104368220A CN 104368220 A CN104368220 A CN 104368220A CN 201410212998 A CN201410212998 A CN 201410212998A CN 104368220 A CN104368220 A CN 104368220A
- Authority
- CN
- China
- Prior art keywords
- adsorption tower
- adsorbent
- adsorption
- tower
- diameter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000001179 sorption measurement Methods 0.000 title claims abstract description 119
- 239000007789 gas Substances 0.000 title abstract 4
- 239000010815 organic waste Substances 0.000 title abstract 2
- 239000003463 adsorbent Substances 0.000 claims abstract description 53
- 238000011049 filling Methods 0.000 claims abstract description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 19
- 230000008676 import Effects 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 13
- 239000000919 ceramic Substances 0.000 claims description 12
- 229910052799 carbon Inorganic materials 0.000 claims description 11
- 239000008246 gaseous mixture Substances 0.000 claims description 10
- 238000010521 absorption reaction Methods 0.000 claims description 9
- 239000000523 sample Substances 0.000 claims description 8
- 230000004907 flux Effects 0.000 claims description 7
- 238000005070 sampling Methods 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 240000007594 Oryza sativa Species 0.000 claims description 2
- 235000007164 Oryza sativa Nutrition 0.000 claims description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 2
- 239000010903 husk Substances 0.000 claims description 2
- 235000009566 rice Nutrition 0.000 claims description 2
- 239000000741 silica gel Substances 0.000 claims description 2
- 229910002027 silica gel Inorganic materials 0.000 claims description 2
- 238000003795 desorption Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 230000008929 regeneration Effects 0.000 description 3
- 238000011069 regeneration method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000012855 volatile organic compound Substances 0.000 description 2
- 230000000274 adsorptive effect Effects 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 150000001299 aldehydes Chemical class 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 230000005713 exacerbation Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000003348 petrochemical agent Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002594 sorbent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Separation Of Gases By Adsorption (AREA)
Abstract
The invention provides a novel efficient organic waste gas adsorption tower. The novel adsorption tower with multiple layers of porous baffle sieves is provided aiming at the disadvantage that a powdery adsorbent is difficult for filling in the adsorption tower as well as considering the purpose of reducing the flowing resistance of exhaust gas. The adsorption tower is capable of guaranteeing that the adsorbent and the mixed gas have enough stay time and contact area, also is convenient for replacing of the adsorbent, and also is capable of timely dissipating adsorption heat and finally improving the adsorption performance of the adsorbent and the safety of the whole system.
Description
Technical field
The invention belongs to organic exhaust gas recycling and administration technical field, particularly relate to a kind of new and effective organic exhaust gas adsorption tower.
Background technology
Along with organic synthesis industry and the developing rapidly of petrochemical industry, the various fields such as oil, chemical industry, coating, traffic, electronics is when producing, selling and uying various oil product, petrochemicals, often give off a large amount of volatile organic matter (VOCs), mainly comprise alkanes, alcohols, ethers, aromatic hydrocarbons, aldehydes, ester class and organic halogen system derivative etc.The living environment of the existence of these organic exhaust gas not only severe exacerbation people, works the mischief to health and ecological environment, but also can bring the serious wasting of resources and potential safety hazard.In recent years, along with domestic, the international increasingly stringent to exhaust of oil standard, the recycling of organic exhaust gas is more and more subject to the attention of countries in the world, is the emphasis problem that environmental worker studies to their Environmental capacity always.Absorption method is exactly common a kind of recovery method.
The factor affecting adsorption effect mainly comprises: the structure of (1) adsorption tower.Consider the feature of VOCs adsorbing separation, the design of adsorption tower should possess: 1. enough gas section and the time of staying excessively; 2. good air flow method; 3. effectively can control and regulate adsorption operations temperature; 4. be easy to change adsorbent etc.; (2) performance of the adsorbent.General Requirements adsorbent has larger specific area and equilibrium adsorption capacity; There is good adsorptive selectivity; There is certain mechanical strength and wearability; Stable performance, lower bed pressure drop, specific heat is large, and heat transfer coefficient is large, and electrical conductivity is high; Long service life etc.; (3) desorption and regeneration technique.Consider the economy that desorption technique runs and feasibility.
Retrieved domestic and foreign databases according to the technology of the present invention feature, find about the report of adsorption tower structure and patent many.Such as, Chinese patent CN 102808165 A proposes to adopt screen pack to filter dust granules in the mist that adsorption tanks give off, to avoid the infringement of pump, improves the service life of vavuum pump; Chinese patent CN 202376888 U adopts horizontal adsorption tanks to increase the adsorption area of adsorbent bed; Chinese patent CN 102120121 proposes to strengthen heat radiation by foam metal, thus effectively solves the temperature drop problem in adsorption tower in problem of temperature rise and desorption device; What Chinese patent CN 102371105 A described is a kind of rotary adsorption tower, by the rotary type adsorption tower utilizing heating using microwave and the integrated desorption technique of vacuum to realize oil gas absorption recovery.But for These powdered adsorbents, there is not yet the adsorption tower to increase organic exhaust gas and adsorbent contact time published.
Summary of the invention
The object of the invention is to provide a kind of new and effective organic exhaust gas adsorption tower.In adsorption tower, fill very difficult inferior position for These powdered adsorbents, consider the flow resistance reducing organic exhaust gas simultaneously, the present invention proposes a kind of novel organic exhaust gas adsorption tower with several layers of perforated baffle sieve.This adsorption tower not only can ensure that adsorbent and scene are carried out gas and possessed enough time of staying and contact area, and be convenient to the replacing of adsorbent, heat of adsorption simultaneously in adsorption tower can also be distributed in time, the final raising absorption property of adsorbent and the security of whole system.
Technical scheme of the present invention is as follows:
(1) a kind of new and effective organic exhaust gas adsorption tower described in comprises: adsorption tower top cover, adsorption tower main body and adsorption tower bottom, be bolted between them.Adsorption tower top cover is provided with exhaust outlet, adsorbent import.Arrange several layers of perforated baffle sieve in adsorption tower main body, the aperture of baffle plate sieve is greater than the particle diameter of powder sorbent.Adsorption tower main body also arranges temp probe and self-priming mixed gas sampling mouth along adsorption tower short transverse.Adsorption tower lower body part is provided with combi inlet port.Adsorption tower bottom is provided with adsorbent outlet.
Further, the feature of described adsorption tower structure is that its tower diameter is 0.4 ~ 2 m, and tower height overall is 1 ~ 4 m, and the diameter of adsorbent import and adsorbent outlet is 01 ~ 0.4 m, diameter 0.05 ~ 0.3 m of combi inlet port and exhaust outlet.
Further, described combi inlet port, it is provided with a swash plate, angle α=35 ~ 40 ° of this swash plate and adsorption tower wall in import department (tower is inner), and swash plate length is 1.2 ~ 1.35 times of this import bore.
Further, several layers of described perforated baffle sieve, its plate thickness is 4 mm ~ 6 mm, and distance between plates is generally 10 cm ~ 20 cm, and its aperture is 3 ~ 5 times of These powdered adsorbents diameter; The quantity of perforated baffle sieve is determined according to the size of adsorption tower, is generally 6 ~ 12 pieces.
Further, described exhaust outlet, is provided with porous ceramic plate bottom it, and its diameter is 0.15 ~ 0.8m.The ventilative flux of ceramic wafer should be exhaust outlet and to breathe freely 1.5 ~ 2 times of flux, and the aperture of ceramic wafer is 1/3 ~ 1/5 of These powdered adsorbents minimum diameter.
Further, along adsorption tower short transverse in described adsorption tower main body, 3 temp probes and 3 self-priming mixed gas sampling mouths are evenly arranged.
Further, described adsorbent is These powdered adsorbents, comprising: silica gel, dento liva activated carbon, rice husk activated carbon, mesoporous organosilicon hollow ball etc., its particle diameter is 0.1 mm ~ 0.5 mm, and its bulk density is 600 kg/m
3~ 900 kg/m
3.
(2) adsorption method of a kind of new and effective organic exhaust gas adsorption tower described in is:
Gas is carried out (when entrucking oil filling riser is to rail tank car or automobile oil truck airtight charge of oil in scene, or gasoline tanker to buried tank emptying time, the gaseous mixture of the oil gas that oil truck or buried tank give off and air) enter gas gathering line, enter adsorption tower from the combi inlet port bottom adsorption tower, this gaseous mixture flows from bottom to top in tower.Meanwhile, the powdered active carbon after desorption and regeneration, through adsorbent conveying equipment, enters adsorption tower from the adsorbent import of adsorption tower top cover, and is sieved by perforated baffle and evenly spread down.Like this, counter current contacting is achieved between gaseous mixture and powdered active carbon, oil gas wherein adsorb by powdered active carbon, powdered active carbon after absorption flows out from the adsorbent outlet of adsorption tower bottom, then by further desorb process, and not by the tail gas (air) that adsorbs by the porous ceramic plate on adsorption tower top cover and exhaust outlet, enter tail gas blow-down pipe and enter air.
Technique effect of the present invention is:
(1) the present invention adopts the adsorption tower of special construction, solves the key technical problem that These powdered adsorbents is difficult to carry out absorption and desorption and regeneration.
(2) adsorption tower adopts perforated baffle sieve, both can be used as the supporter of adsorbent, to ensure that These powdered adsorbents and gaseous mixture possess enough time of staying and contact area, adsorbent can be allowed again from wherein passing through, to realize adsorbent in the top-down proper flow of adsorption tower, thus the heat of adsorption in guarantee adsorption tanks is distributed in time, the final raising absorption property of adsorbent and the security of whole system.
(3) adopt porous ceramic plate bottom the exhaust outlet of adsorption tower top cover, it has special loose structure, and permeation flux is high, and air can be allowed to pass through, and does not allow again adsorbent from wherein passing through, thus reaches the effect of exhaust resist.
(4) adsorption tower main body is provided with 3 temp probes and 3 self-priming mixed gas sampling mouths, be used for temperature and concentration data in online acquisition adsorption tower main body, thus system can, according to the temperature data of organic exhaust gas concentration value or adsorption tower inside, realize automatically changing adsorbent.
Accompanying drawing explanation
Fig. 1 is adsorption tower internal structure schematic diagram of the present invention.
Reference numeral lists as follows:
1,12,15,20-bolt, 2,3,4,8,9-perforated baffle sieve, 5,6, the self-priming concentration air hatch of 7-, 10-combi inlet port, 11-combi inlet port baffle plate, 13-adsorbent outlet, 14-adsorption tower bottom, 16,17,18-temp probe, 19-adsorption tower main body, 21-adsorption tower top cover, the import of 22-adsorbent, 23-exhaust outlet, 24-porous ceramic plate.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiments of the invention are described further.Fig. 1 is adsorption tower internal structure schematic diagram of the present invention.
When scene come gas (when entrucking oil filling riser is to rail tank car or automobile oil truck airtight charge of oil, or gasoline tanker to buried tank emptying time, the gaseous mixture of the oil gas that oil truck or buried tank give off and air) flow is 100 m
3during/h, absorption recycling can be carried out by new and effective organic exhaust gas adsorption tower of the present invention to this oil gas.
(1) a kind of new and effective organic exhaust gas adsorption tower described in, as shown in Figure 1, comprising: adsorption tower top cover 21, adsorption tower main body 19 and adsorption tower bottom 14, and it is respectively connected with 15,12 by bolt 1,20 between composition; Adsorption tower top cover 21 is provided with exhaust outlet 23 and adsorbent import 22; Temp probe 16,17,18 and self-priming concentration air hatch 5,6,7 is provided with in adsorption tower; Described adsorption tower lower body part is provided with combi inlet port 10, and adsorption tower bottom 14 is provided with adsorbent outlet 13.
Further, the feature of described adsorption tower structure is that its tower diameter is 0.6 m, and tower height overall is 1.2 m, and the diameter of adsorbent import 22 and adsorbent outlet 13 is 0.15 m, diameter 0.08 m of combi inlet port 10, and the diameter of exhaust outlet 23 is 0.08 m.
Further, combi inlet port 10 place (tower is inner) bottom described adsorption tower is provided with a baffle plate 11, the angle of this baffle plate 11 and adsorption tower wall
α=35 °, swash plate length is 1.2 times of this import bore;
Further, the thickness of the perforated baffle sieve 2,3,4,8,9 of described adsorption tower inside is 4 mm, and distance between plates is 0.1 m, and plate number is 6 pieces, and the aperture of perforated baffle sieve is 0.6 mm.
Further, described exhaust outlet, is provided with porous ceramic plate 24 bottom it, and its diameter is 0.2 mm.The ventilative flux of ceramic wafer should be exhaust outlet and to breathe freely 1.5 ~ 2 times of flux, and the aperture of ceramic wafer is 0.05mm.
Further, along adsorption tower short transverse in described adsorption tower main body 19,3 temp probe 16-18 and 3 self-priming mixed gas sampling mouths 5,6,7 have been evenly arranged.
Further, the adsorbent adopted in described adsorption tower is characterised in that diameter is the powdered active carbon of (0.2 ± 0.02) mm, and bulk density is 700 kg/m
3.
(2) adsorption method of a kind of new and effective organic exhaust gas adsorption tower described in is:
Gas is carried out (when entrucking oil filling riser is to rail tank car or automobile oil truck airtight charge of oil in scene, or gasoline tanker to buried tank emptying time, the gaseous mixture of the oil gas that oil truck or buried tank give off and air) enter adsorption tower from the combi inlet port 10 bottom adsorption tower, this gaseous mixture flows from bottom to top in tower.Meanwhile, powdered active carbon, through adsorbent conveying equipment, enters adsorption tower from the adsorbent import 22 of adsorption tower top cover 21, and is evenly spread down by perforated baffle sieve 2,3,4,8,9.Like this, counter current contacting is achieved between gaseous mixture and powdered active carbon, oil gas wherein adsorb by powdered active carbon, powdered active carbon after absorption flows out from the adsorbent outlet 13 of adsorption tower bottom 14, then by further desorb process, air is not entered by the tail gas (air) adsorbed by the porous ceramic plate 24 on adsorption tower top cover 14 and exhaust outlet 23.
Claims (8)
1. a new and effective organic exhaust gas adsorption tower, it is characterized in that: comprise adsorption tower top cover (21), adsorption tower main body (19) and adsorption tower bottom (14), adsorption tower top cover (21) is provided with exhaust outlet (23), adsorbent import (22), several layers of perforated baffle sieve (2 are arranged in adsorption tower main body (19), 3, 4, 8, 9), adsorption tower main body (19) arranges 3 temp probes (16 along adsorption tower short transverse, 17, 18) and 3 self-priming mixed gas sampling mouths (5, 6, 7), adsorption tower lower body part is provided with combi inlet port (10), adsorption tower bottom (14) is provided with adsorbent outlet (13).
2. adsorption tower according to claim 1, it is characterized in that: tower diameter is 0.4 ~ 2 m, tower height overall is 1 ~ 4 m, and the diameter of adsorbent import (22) and adsorbent outlet (13) is 01 ~ 0.4 m, diameter 0.05 ~ 0.3 m of combi inlet port (10) and exhaust outlet (23).
3. adsorption tower according to claim 1, it is characterized in that: the combi inlet port (10) of adsorption tower lower body part is provided with a swash plate (11) in import department (tower is inner), angle α=35 ~ 40 ° of this swash plate (11) and adsorption tower wall, swash plate (11) length is 1.2 ~ 1.35 times of this import (10) bore.
4. adsorption tower according to claim 1, it is characterized in that: in adsorption tower main body (19), arrange several layers of perforated baffle sieve (2,3,4,8,9), its plate thickness is generally 4 mm ~ 6 mm, distance between plates is 10 cm ~ 20 cm, its aperture is 3 ~ 5 times of These powdered adsorbents diameter, the quantity of perforated baffle sieve (2,3,4,8,9) is determined according to the size of adsorption tower, is generally 6 ~ 12 pieces.
5. adsorption tower according to claim 1, it is characterized in that: exhaust outlet (23) bottom on adsorption tower top cover (21) is provided with porous ceramic plate (24), its ventilative flux should be 1.5 ~ 2 times of the ventilative flux of exhaust outlet (23), and its aperture is 1/3 ~ 1/5 of These powdered adsorbents minimum diameter.
6. adsorption tower according to claim 1, is characterized in that: along adsorption tower short transverse in adsorption tower main body (19), has been evenly arranged 3 temp probes (16,17,18) and 3 self-priming mixed gas sampling mouths (5,6,7).
7. adsorbent according to claim 2, is characterized in that: comprise silica gel, dento liva activated carbon, rice husk activated carbon, mesoporous organosilicon hollow ball etc., its particle diameter is 0.1 mm ~ 0.5 mm, and its bulk density is 600 kg/m
3~ 900 kg/m
3.
8. the adsorption method of a new and effective organic exhaust gas adsorption tower is: gas is carried out (when entrucking oil filling riser is to rail tank car or automobile oil truck airtight charge of oil in scene, or gasoline tanker to buried tank emptying time, the gaseous mixture of the oil gas that oil truck or buried tank give off and air) enter adsorption tower from the combi inlet port (10) of adsorption tower lower body part, this gaseous mixture flows from bottom to top in tower, simultaneously, powdered active carbon is through adsorbent conveying equipment, adsorption tower is entered from the adsorbent import (22) of adsorption tower top cover (21), and by perforated baffle sieve (2, 3, 4, 8, 9) evenly spread down, powdered active carbon after absorption flows out from the adsorbent outlet (13) of adsorption tower bottom (14), then by further desorb process, do not entered air by the tail gas (air) adsorbed by the porous ceramic plate (24) on adsorption tower top cover (14) and exhaust outlet (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410212998.1A CN104368220B (en) | 2014-05-20 | 2014-05-20 | A kind of organic exhaust gas adsorption tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410212998.1A CN104368220B (en) | 2014-05-20 | 2014-05-20 | A kind of organic exhaust gas adsorption tower |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104368220A true CN104368220A (en) | 2015-02-25 |
| CN104368220B CN104368220B (en) | 2016-08-17 |
Family
ID=52547566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410212998.1A Expired - Fee Related CN104368220B (en) | 2014-05-20 | 2014-05-20 | A kind of organic exhaust gas adsorption tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104368220B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109406332A (en) * | 2018-12-14 | 2019-03-01 | 常州大学 | A kind of oil gas absorption tower packing sampler and sampling method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3593650B2 (en) * | 2000-02-22 | 2004-11-24 | 東亞合成株式会社 | Vertical fixed bed adsorption tower |
| CN1676197A (en) * | 2005-01-04 | 2005-10-05 | 华南理工大学 | Active carbon fiber fixed bed continuous adsorption and desorption apparatus |
| CN202044872U (en) * | 2011-04-20 | 2011-11-23 | 镇江市万源电子有限公司 | Multifunctional waste gas purification tower |
| WO2011155058A1 (en) * | 2010-06-11 | 2011-12-15 | エネルギープロダクト株式会社 | Gas-separating apparatus |
| CN202860363U (en) * | 2012-10-12 | 2013-04-10 | 山东润银生物化工股份有限公司 | Synthetic ammonia vent gas purification adsorption tower |
| WO2013191098A1 (en) * | 2012-06-19 | 2013-12-27 | 東京瓦斯株式会社 | Gas separation device |
-
2014
- 2014-05-20 CN CN201410212998.1A patent/CN104368220B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3593650B2 (en) * | 2000-02-22 | 2004-11-24 | 東亞合成株式会社 | Vertical fixed bed adsorption tower |
| CN1676197A (en) * | 2005-01-04 | 2005-10-05 | 华南理工大学 | Active carbon fiber fixed bed continuous adsorption and desorption apparatus |
| WO2011155058A1 (en) * | 2010-06-11 | 2011-12-15 | エネルギープロダクト株式会社 | Gas-separating apparatus |
| CN202044872U (en) * | 2011-04-20 | 2011-11-23 | 镇江市万源电子有限公司 | Multifunctional waste gas purification tower |
| WO2013191098A1 (en) * | 2012-06-19 | 2013-12-27 | 東京瓦斯株式会社 | Gas separation device |
| CN202860363U (en) * | 2012-10-12 | 2013-04-10 | 山东润银生物化工股份有限公司 | Synthetic ammonia vent gas purification adsorption tower |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109406332A (en) * | 2018-12-14 | 2019-03-01 | 常州大学 | A kind of oil gas absorption tower packing sampler and sampling method |
| CN109406332B (en) * | 2018-12-14 | 2021-03-23 | 常州大学 | Oil gas adsorption tower filler sampling device and sampling method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104368220B (en) | 2016-08-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105854508B (en) | A kind of combined type VOCs purification recovery devices | |
| CN102772981A (en) | Device for continuously adsorbing and desorbing organic waste gas by using active carbon | |
| CN102120121B (en) | Oil gas adsorber | |
| CN103079997A (en) | Recovery of xe and other high value compounds | |
| CN202212089U (en) | Device for processing high-concentration large-volume organic gas | |
| CN205252827U (en) | Particulate matter active carbon absorption tower | |
| CN203577580U (en) | Activated carbon adsorption recovery device taking nitrogen as desorption medium | |
| CN102266703A (en) | Environment-friendly device for recycling and treating solvents in tail gas | |
| CN206315630U (en) | A kind of VOCs improvement absorber | |
| CN207420680U (en) | A kind of automobile emission gas analyzer emission-control equipment | |
| CN104368220A (en) | Novel efficient organic waste gas adsorption tower | |
| CN104875984B (en) | storage tank gas phase connection method | |
| CN107970747A (en) | Can remote monitoring oil gas automation recovery system | |
| CN205182467U (en) | Novel high -efficient adsorber of gaseous phase mercury | |
| CN105861026A (en) | Residual oily gas recycling and treatment device and treatment method | |
| CN104815614B (en) | The preparation method of activated carbon containing iron and the condition and device that toluene is adsorbed with it | |
| CN205109321U (en) | Hot type fibrous filter component is mixed to coil pipe | |
| CN105621363A (en) | Device and method for preparing oxygen and nitrogen | |
| CN104826451A (en) | Novel absorber | |
| CN102921296B (en) | Integrated oil gas recovery purification device | |
| CN202155134U (en) | Environment-friendly device for recovering and treating solvents in tail gas | |
| CN205586735U (en) | Modular VOCs purification recovery | |
| CN203244917U (en) | Integrated oil gas recovery and purification device | |
| CN204601949U (en) | A kind of organic waste-gas purification absorbing recovery device | |
| CN209322468U (en) | A kind of gas station oil gas recyclable device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160817 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |