CN103920364A - Gas separation adsorption tower - Google Patents
Gas separation adsorption tower Download PDFInfo
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- CN103920364A CN103920364A CN201410168339.2A CN201410168339A CN103920364A CN 103920364 A CN103920364 A CN 103920364A CN 201410168339 A CN201410168339 A CN 201410168339A CN 103920364 A CN103920364 A CN 103920364A
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- gas
- sieve
- gas separation
- distributor
- distribution layer
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Abstract
The invention discloses a gas separation device, and particularly relates to a pressurizing adsorption and vacuum desorption gas separation oxygen generation device. The gas separation adsorption tower comprises a tower barrel, a gas inlet and a gas outlet, and is characterized in that the tower barrel is provided with a primary distributor and a secondary distributor, and the two distributors can adequately purify the gas. The primary distributor is provided with a loading screening hole and a discharging screening hole so as to conveniently replace an adsorbent. The primary distributor is provided with a primary gas flow distribution layer, and the secondary distributor is provided with a secondary gas flow distribution layer. By adopting the gas separation adsorption tower, the defects of the existing gas separation technology that the gas entering the gas flow distributor is nonuniform, the adsorbent cannot be replaced, and the like can be overcome, the inlet gas flow is uniform to distribute, the gas distribution space of an adsorber is reduced, the utilization rate of the adsorbent is increased, the adsorption performance is improved, the energy consumption is reduced, and the service life is prolonged.
Description
Technical field
The present invention relates to gas separation equipment field, particularly the separated oxygen generating plant of a kind of pressurization absorption vacuum desorption gas.
Background technology
Existing gas separation mostly adopts packed tower, in tower, fills adsorbent, adsorbs vacuum desorption make gas separated by pressurization, makes the gas of the needs such as oxygen.Because distributor arranges unreasonablely, in tower, usually there is dead space, absorption property is very low.Moreover existing mostly to adopt activated alumina be adsorbent, aluminium oxide intussusception moisture content, within general about 3 years, need to change, and adsorption tower does not arrange and puts sieve mouthful at present, is provided with again isolation or the electrostatic layers that disappear such as palm fibre pad, woven wire simultaneously, cannot change adsorbent.CN202683030U file discloses a kind of pressure change adsorption type gas knockout tower, adopt inside and outside double-deck distributor guiding air-flow to distribute, its defect is that air-flow is from inner core to urceolus, under the condition of strong gas pressure, there is dead space in urceolus bottom, adsorbent cannot make full use of.CN202555140U file discloses a kind of adsorption tower, and for methane extractive technique, it is outstanding antistatic setting mainly, also exists distribution of gas inhomogeneous, and cannot change the problems such as adsorbent.
Summary of the invention
The object of the invention is to solve in above-mentioned existing gas separation air distributor air inlet inhomogeneous, cannot change the defects such as adsorbent, provide a kind of charge air flow to be uniformly distributed, reduce the gas allocation space of absorber simultaneously, improve the utilization rate of adsorbent, improve absorption property, reduce energy consumption, the gas separation absorbing tower increasing the service life.
Above-mentioned technical problem of the present invention is mainly solved by following technical proposals:
The present invention includes tower cylinder, air inlet, gas outlet, it is characterized in that: described tower cylinder is provided with first order distributor, two groups of distributors of second level distributor, two groups of distributors are purifying gas fully.Described first order distributor is provided with dress sieve mouth, puts sieve mouthful, for changing adsorbent, provides convenience.Described first order distributor is provided with first order air-flow distribution layer, and described second level distributor is provided with second level air-flow distribution layer.
Further, described first order air-flow distribution layer, second level air-flow distribution layer are fixedly connected with described tower cylinder, can weld or close fit.Between described first order air-flow distribution layer and second level air-flow distribution layer, fill first order adsorbent, second level adsorbent is filled in air-flow distribution layer top in the described second level.Two groups of adsorbents are different product, multiple effect.
As preferably, described first order adsorbent is molecular sieve, and described second level adsorbent is activated alumina, is that fully absorption provides condition.
Further, described first order air-flow distribution layer is provided with sieve plate, and sieve plate below is provided with brace rod, and sieve plate top is provided with isolating pad and woven wire.Described sieve plate is provided with sieve aperture, and several sieve apertures are distributed on sieve plate.As preferably, sieve aperture is irregular distribution.
The same, described second level air-flow distribution layer is provided with sieve plate, and sieve plate below is provided with brace rod, and sieve plate top is provided with isolating pad and woven wire.Described sieve plate is provided with sieve aperture, and several sieve apertures are distributed on sieve plate.As preferably, sieve aperture is irregular distribution.
Concrete, because molecular sieve, aluminium oxide are mostly tiny solid or body of powder, isolating pad and woven wire play certain isolation effect, and woven wire has also played the effect of eliminating static.
As preferably, woven wire is steel wire, and economy and anti-static effect are good.
As preferably, isolating pad is palm fibre pad, and economy and isolation effect are good.
Further, according to technological process needs, the commutative position in described air inlet and gas outlet, to reach optimum efficiency.
Further, first order gas distribution layers is annular plane structure, and second level gas distribution layers is concave evagination peviform structure, and gas enters in tower and distributes rationally evenly, improves molecular sieve adsorption performance.
The invention has the beneficial effects as follows: adopt multistage gas distributor, reduce gas allocation space in absorber, the utilization rate that improves adsorbent reaches 99%, improves the absorption property of adsorbent, improve gas separation coefficient and reach 2.2%.Moreover every grade of distributor configures different adsorbents, as activated alumina and molecular sieve, improve divided gas flow purity.Finally, be equipped with dress sieve mouthful and put sieve mouthful, being convenient for changing the adsorbents such as aluminium oxide, guaranteeing operating efficiency and extend adsorption tower service life.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention
Fig. 2 is icon 42 cutaway views in Fig. 1 of the present invention
Fig. 3 is icon 52 cutaway views in Fig. 1 of the present invention
Fig. 4 is icon 42 partial top view in Fig. 1 of the present invention
Fig. 5 is icon 52 partial top view in Fig. 1 of the present invention
Fig. 6 the present invention relates to air-flow patterns
In figure: 1. tower cylinder, 2. air inlet, 3. gas outlet, 4. first order distributor, 41. first order adsorbents, 42 first order air-flow distribution layers, 421 isolating pad, 422. woven wires, 423. sieve plates, 424. brace rods, 425. sieve apertures, 5. second level distributor, 51. second level adsorbents, 52. second level air-flow distribution layers, 521 isolating pad, 522. woven wires, 523. sieve plates, 524. brace rods, 525. sieve apertures, 6. dress sieves mouth, and 7 put sieve mouthful.
The specific embodiment
Below by embodiment, and by reference to the accompanying drawings, technical scheme of the present invention is described in further detail.
Embodiment: as Fig. 1, the present invention includes tower cylinder (1), air inlet (2), gas outlet (3), tower cylinder is formed by upper tower cylinder, lower tower cylinder and stack shell precision welding, and upper tower cylinder sets out gas port, and lower tower cylinder is established air inlet.Described tower cylinder (1) is provided with (5) two groups of first order distributor (4), second level distributors, described first order distributor (4) is provided with dress sieve mouthful (6), puts sieve mouthful (7), described first order distributor (4) is provided with first order air-flow distribution layer (42), and described second level distributor (5) is provided with second level air-flow distribution layer (52).
Described first order air-flow distribution layer (42), second level air-flow distribution layer (52) are fixedly connected with described tower cylinder (1), can weld or accurate assembling.Between described first order air-flow distribution layer (42) and second level air-flow distribution layer (52), fill first order adsorbent (41), second level adsorbent (51) is filled in described second level air-flow distribution layer (52) top.This embodiment, first order adsorbent (41) is molecular sieve, second level adsorbent (51) is aluminium oxide.
As Fig. 2,3,4,5, described first order air-flow distribution layer (42) is provided with sieve plate (423), and sieve plate (423) below is provided with brace rod (424), and brace rod (424) plays the effect of supporting whole first order distributor (4).Sieve plate (423) top is provided with isolating pad (421) and woven wire (422).Described sieve plate (423) is provided with sieve aperture (425), and several sieve apertures (425) are distributed on sieve plate (423).As preferably, the present embodiment sieve aperture (425) is random distribution.
The same, described second level air-flow distribution layer (52) is provided with sieve plate (523), and sieve plate (523) below is provided with brace rod (524), and brace rod (524) plays the effect of supporting whole second level distributor (5).Sieve plate (523) top is provided with isolating pad (521) and woven wire (522).Described sieve plate (523) is provided with sieve aperture (525), and several sieve apertures (525) are distributed on sieve plate (523).As preferably, the present embodiment sieve aperture (525) is random distribution.
Isolating pad described in this embodiment (521) is palm fibre pad, and described woven wire (522) is steel wire.Because most of adsorbents such as molecular sieve and aluminium oxide are tiny solid or powder, palm fibre pad has played good isolation effect with steel wire, and steel wire also has good anti-static effect, and both economical and practical.
Described in this embodiment, first order gas distribution layers (42) is annular plane structure, and second level gas distribution layers (52) is concave evagination peviform structure, and gas enters in tower and distributes rationally evenly, improves molecular sieve adsorption performance.
Operation principle of the present invention is:
As Fig. 6, gas enters in tower from air inlet, through first order distributor, by activated alumina, it is adsorbed, second level gas distribution layers is concave evagination peviform structure, and air-flow multi-angle remission and dispersing in this structure, effectively changes speed and the direction of air-flow, give full play to absorption property, realize in tower without dead angle object.In air-flow enters second level distributor, then by molecular sieve to its second adsorption, improve to greatest extent gas purity, improve adsorption tower operating efficiency and service behaviour.
The present embodiment is the embodiment of example of the present invention; for those skilled in the art; the invention discloses on the basis of application process and principle; be easy to make various types of improvement or distortion; and be not limited only to the described structure of the above-mentioned specific embodiment of the present invention, therefore previously described mode is preferred version, and does not have restrictive meaning; every equivalence of doing according to the present invention changes and revises, and all should be protected by the scope of the claims in the present invention book.
Claims (8)
1. a gas separation absorbing tower, comprise tower cylinder (1), air inlet (2), gas outlet (3), it is characterized in that: described tower cylinder (1) is provided with (5) two groups of first order distributor (4), second level distributors, described first order distributor (4) is provided with dress sieve mouthful (6), puts sieve mouthful (7), described first order distributor (4) is provided with first order air-flow distribution layer (42), and described second level distributor (5) is provided with second level air-flow distribution layer (52).
2. a kind of gas separation absorbing tower according to claim 1, it is characterized in that: described first order air-flow distribution layer (42), second level air-flow distribution layer (52) are fixedly connected with described tower cylinder (1), between described first order air-flow distribution layer (42) and second level air-flow distribution layer (52), fill first order adsorbent (41), second level adsorbent (51) is filled in described second level air-flow distribution layer (52) top.
3. a kind of gas separation absorbing tower according to claim 2, is characterized in that: described first order adsorbent (41) is molecular sieve, and described second level adsorbent (51) is aluminium oxide.
4. a kind of gas separation absorbing tower according to claim 1, it is characterized in that: described first order air-flow distribution layer (42) is provided with sieve plate (423), sieve plate (423) below is provided with brace rod (424), and sieve plate (423) top is provided with isolating pad (421) and woven wire (422).
5. a kind of gas separation absorbing tower according to claim 4, is characterized in that: described sieve plate (423) is provided with sieve aperture (425), and several sieve apertures (425) are distributed on sieve plate (423).
6. a kind of gas separation absorbing tower according to claim 1, it is characterized in that: described second level air-flow distribution layer (52) is provided with sieve plate (523), sieve plate (523) below is provided with brace rod (524), and sieve plate (523) top is provided with isolating pad (521) and woven wire (522).
7. a kind of gas separation absorbing tower according to claim 6, is characterized in that: described sieve plate (523) is provided with sieve aperture (525), and several sieve apertures (525) are distributed on sieve plate (523).
8. according to a kind of gas separation absorbing tower described in claim 4 or 6, it is characterized in that: described isolating pad (521) is palm fibre pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410168339.2A CN103920364A (en) | 2014-04-24 | 2014-04-24 | Gas separation adsorption tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410168339.2A CN103920364A (en) | 2014-04-24 | 2014-04-24 | Gas separation adsorption tower |
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| Publication Number | Publication Date |
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| CN103920364A true CN103920364A (en) | 2014-07-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410168339.2A Pending CN103920364A (en) | 2014-04-24 | 2014-04-24 | Gas separation adsorption tower |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107823977A (en) * | 2017-08-29 | 2018-03-23 | 广东粤电靖海发电有限公司 | Bubble distributing air filtration unit for power plant water manufacturing system sweet-water tank |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1661596A2 (en) * | 2003-08-26 | 2006-05-31 | Teijin Pharma Limited | Oxygen-concentrating device |
| CN201644098U (en) * | 2010-03-17 | 2010-11-24 | 西原环保工程(上海)有限公司 | Active carbon deodorization device |
| CN203061023U (en) * | 2012-11-02 | 2013-07-17 | 江苏航天惠利特环保科技有限公司 | Multilayer filling adsorption tank |
| CN203790801U (en) * | 2014-04-24 | 2014-08-27 | 赣州川汇气体设备制造有限公司 | Gas separation adsorption tower |
-
2014
- 2014-04-24 CN CN201410168339.2A patent/CN103920364A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1661596A2 (en) * | 2003-08-26 | 2006-05-31 | Teijin Pharma Limited | Oxygen-concentrating device |
| CN201644098U (en) * | 2010-03-17 | 2010-11-24 | 西原环保工程(上海)有限公司 | Active carbon deodorization device |
| CN203061023U (en) * | 2012-11-02 | 2013-07-17 | 江苏航天惠利特环保科技有限公司 | Multilayer filling adsorption tank |
| CN203790801U (en) * | 2014-04-24 | 2014-08-27 | 赣州川汇气体设备制造有限公司 | Gas separation adsorption tower |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107823977A (en) * | 2017-08-29 | 2018-03-23 | 广东粤电靖海发电有限公司 | Bubble distributing air filtration unit for power plant water manufacturing system sweet-water tank |
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Application publication date: 20140716 |