CN104368222A - PSA (Pressure Swing Adsorption) equipment and molecular sieve compaction and sealing structure thereof - Google Patents
PSA (Pressure Swing Adsorption) equipment and molecular sieve compaction and sealing structure thereof Download PDFInfo
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- CN104368222A CN104368222A CN201410641419.5A CN201410641419A CN104368222A CN 104368222 A CN104368222 A CN 104368222A CN 201410641419 A CN201410641419 A CN 201410641419A CN 104368222 A CN104368222 A CN 104368222A
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- molecular sieve
- variable
- adsorption equipment
- ring
- pressure adsorption
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Abstract
The embodiments of the invention provide PSA (Pressure Swing Adsorption) equipment and a molecular sieve compaction and sealing structure thereof. According to the molecular sieve compaction and sealing structure of the PSA equipment, a molecular sieve is arranged in the internal chamber of the PSA equipment, and a filter mesh is arranged on the molecular sieve; at least one hole which is used for enabling a gas generating pipe to pass through is formed in the molecular sieve, and a gasket which is used for sealing a gap between the gas generating pipe of the molecular sieve and the corresponding hole is arranged at the corresponding hole and sleeves the gas generating pipe; the molecular sieve compaction and sealing structure further comprises a fixing mechanism which is used for fixing the gasket, the fixing mechanism comprises a pressing plate and a pressing ring, the pressing ring and the pressing plate are fixed together, the pressing ring sleeves the external wall of the gasket, and the pressing plate is arranged at the top of the gasket; the outside diameter of the fixing mechanism is smaller than the inside diameter of the internal chamber, and an elastic sealing ring is arranged at the edge of the fixing mechanism, so that the outer periphery of the fixing mechanism and the internal chamber are gastight; the fixing mechanism is further provided with a spring, one end of the spring is fixed on the PSA equipment, and the other end of the spring is fixed on the fixing mechanism, so that the fixing mechanism is pressed to the gasket.
Description
Technical field
the present invention relates to a kind of oxygen generating plant technical field, especially relate to a kind of variable-pressure adsorption equipment molecular sieve compressing hermetically-sealed construction, variable-pressure adsorption equipment.
Background technology
the variable-pressure adsorption equipment (PSA) that oxygen of the prior art, nitrogen processed adopt mostly or vacuum desorption pressure-variable adsorption (VPSA).Wherein the PSA of extensive use can cause when oxygen or nitrogen processed that air pressure in equipment rises sharply, air-flow sharply spreads, therefore be easy to cause inner molecular sieve of filling to be subjected to displacement, molecular sieve and sieve particle will be caused like this to enter pipeline, valve, cause parts damages.And once reveal too much, equipment will be caused normally to run, and therefore existing PSA cannot long time continuous working.
Summary of the invention
can operationally there is molecular sieve displacement for current variable-pressure adsorption equipment and cause parts damages and the problem that cannot work long hours continuously, proposing a kind of variable-pressure adsorption equipment molecular sieve compressing hermetically-sealed construction, variable-pressure adsorption equipment.
to achieve these goals, embodiments provide a kind of variable-pressure adsorption equipment molecular sieve compressing hermetically-sealed construction, wherein said molecular sieve is arranged in variable-pressure adsorption equipment inner chamber, and described molecular sieve is provided with screen pack; Described molecular sieve is provided with at least one hole for making generating tube pass, and described hole place is provided with the packing ring for described molecular sieve being sealed the gap between described generating tube and hole, and described gasket sleeve is connected on described generating tube; Also comprise the fixed mechanism for fixing described packing ring, described fixed mechanism comprises pressing plate, pressure ring, and wherein said pressure ring and pressing plate are fixed together, and described pressure ring is socketed on described packing ring outer wall, and described pressing plate is arranged on described bead top; The external diameter of described fixed mechanism is less than the internal diameter of described inner chamber, and described fixed mechanism edge is provided with elastic seal ring to make hermetic seal between the periphery of described fixed mechanism and described inner chamber; Described fixed mechanism is also provided with spring, and described spring one end is fixed on variable-pressure adsorption equipment and the other end is fixed on described fixed mechanism so that described fixed mechanism is pressed to described packing ring.
wherein, described packing ring is coconut palm pad.
wherein, described pressure ring, pressing plate, elastic seal ring are provided with suitable connecting hole to be fixed by pulling rivet or bolt, and described spring is fixed on described pulling rivet or bolt.
wherein, the edge of described elastic seal ring is provided with the flange that cross section is annular.
wherein, described elastic seal ring is fixed between described pressure ring and pressing plate.
wherein, described elastic seal ring is that rubber is made.
meanwhile, the embodiment of the present invention also proposed a kind of variable-pressure adsorption equipment, comprises apparatus body, and described apparatus body is provided with inner chamber, is provided with the variable-pressure adsorption equipment molecular sieve compressing hermetically-sealed construction as described in front any one in described inner chamber
technical scheme of the present invention has following advantage:
such scheme proposes a kind of variable-pressure adsorption equipment molecular sieve compressing hermetically-sealed construction, variable-pressure adsorption equipment, and existing variable-pressure adsorption equipment of comparing can go the stop of saving coconut palm pad to pass through comparatively fast to make air-flow, and impact less to pressing plate, pressing plate displacement is slight.Pressing plate surrounding utilizes elastic rubber strip laminating tank skin simultaneously, and the gap between sealing clamp and tank skin, molecular sieve cannot be revealed.。
Accompanying drawing explanation
by the description carried out a preferred embodiment of the present invention below in conjunction with accompanying drawing, technical scheme of the present invention and technique effect thereof will become clearly, and more should be readily appreciated that.Wherein:
fig. 1 is the sectional structure schematic diagram of the embodiment of the present invention;
description of reference numerals
1: pressure ring;
2: elastic seal ring;
3: pressing plate;
4: pulling rivet or bolt;
5: spring;
6: packing ring;
7: screen pack;
8: generating tube.
Detailed description of the invention
below with reference to appended accompanying drawing, a preferred embodiment of the present invention is described.
be further described below in conjunction with accompanying drawing 1 pair of embodiment of the present invention.
to achieve these goals, embodiments provide a kind of variable-pressure adsorption equipment molecular sieve compressing hermetically-sealed construction, wherein said molecular sieve is arranged in variable-pressure adsorption equipment inner chamber the embodiment of the present invention, and described molecular sieve is provided with screen pack 7; Described molecular sieve is provided with at least one hole passed for making generating tube 8, and described hole place is provided with the packing ring 6 for described molecular sieve being sealed the gap between described generating tube 8 and hole, and described packing ring 6 is socketed on described generating tube 8; Also comprise the fixed mechanism for fixing described packing ring 6, described fixed mechanism comprises pressing plate 3, pressure ring 1, and wherein said pressure ring 1 and pressing plate 3 are fixed together, and described pressure ring 1 is socketed on described packing ring 6 outer wall, and described pressing plate 3 is arranged on described packing ring 6 top; The external diameter of described fixed mechanism is less than the internal diameter of described inner chamber, and described fixed mechanism edge is provided with elastic seal ring 2 to make hermetic seal between the periphery of described fixed mechanism and described inner chamber; Described fixed mechanism is also provided with spring 5, and described spring 5 one end is fixed on variable-pressure adsorption equipment and the other end is fixed on described fixed mechanism so that described fixed mechanism is pressed to described packing ring 6.Described packing ring 6 is coconut palm pad.Described pressure ring 1, pressing plate 3, elastic seal ring 2 are provided with suitable connecting hole to be fixed by pulling rivet or bolt, and described spring 5 is fixed on described pulling rivet or bolt 4.The edge of described elastic seal ring 2 is provided with the flange that cross section is annular.Described elastic seal ring 2 is fixed between described pressure ring 1 and pressing plate 3.Described elastic seal ring 2 is made for rubber.Wherein, the internal diameter that the external diameter of molecular sieve is greater than described inner chamber is fixed in described inner chamber to make described molecular sieve interference fit.
wherein, described race diameter and tank skin gap 5mm.And the integral diameter being assembled with the pressing plate 3 after elastic seal ring 2 5mm larger than tank skin.Wherein molecular sieve is laid the race diameter 50mm larger than tank skin after stainless steel cloth.
when assembling, first cutting pressing plate 3, making its race diameter and tank skin gap 5mm; Then elastic seal ring 2 is coiled on pressing plate 3, make its race diameter 5mm larger than tank skin.Then pressure ring 1 is placed inside elastic seal ring 2; Pressure ring 1, elastic seal ring 2, pressing plate 3 are together punched, and fix with pulling rivet.Stainless steel cloth laid by adsorption tower molecular sieve, makes its race diameter 50mm larger than tank skin.Coconut palm pad is laid at generating tube 8 place, stainless steel cloth center.Mounted pressure ring 1, pressing plate 3, elastic seal ring 2 are put into adsorption tower, is pressed onto on stainless steel cloth and coconut palm pad.Place spring 5 and seal adsorption tanks vessel flange.
for person of ordinary skill in the field, along with the development of technology, the present invention's design can realize by different way.Embodiments of the present invention are not limited in embodiment described above, and can change within the scope of the claims.
Claims (8)
1. a variable-pressure adsorption equipment molecular sieve compressing hermetically-sealed construction, is characterized in that, described molecular sieve is arranged in variable-pressure adsorption equipment inner chamber, and described molecular sieve is provided with screen pack; Described molecular sieve is provided with at least one hole for making generating tube pass, and described hole place is provided with the packing ring for described molecular sieve being sealed the gap between described generating tube and hole, and described gasket sleeve is connected on described generating tube; Also comprise the fixed mechanism for fixing described packing ring, described fixed mechanism comprises pressing plate, pressure ring, and wherein said pressure ring and pressing plate are fixed together, and described pressure ring is socketed on described packing ring outer wall, and described pressing plate is arranged on described bead top; The external diameter of described fixed mechanism is less than the internal diameter of described inner chamber, and described fixed mechanism edge is provided with elastic seal ring to make hermetic seal between the periphery of described fixed mechanism and described inner chamber; Described fixed mechanism is also provided with spring, and described spring one end is fixed on variable-pressure adsorption equipment and the other end is fixed on described fixed mechanism so that described fixed mechanism is pressed to described packing ring.
2. variable-pressure adsorption equipment molecular sieve compressing hermetically-sealed construction according to claim 1, is characterized in that, described packing ring is coconut palm pad.
3. variable-pressure adsorption equipment molecular sieve compressing hermetically-sealed construction according to claim 1, it is characterized in that, described pressure ring, pressing plate, elastic seal ring are provided with suitable connecting hole to be fixed by pulling rivet or bolt, and described spring is fixed on described pulling rivet or bolt.
4. variable-pressure adsorption equipment molecular sieve compressing hermetically-sealed construction according to claim 1, is characterized in that, the edge of described elastic seal ring is provided with the flange that cross section is annular.
5. variable-pressure adsorption equipment molecular sieve compressing hermetically-sealed construction according to claim 1, it is characterized in that, described elastic seal ring is fixed between described pressure ring and pressing plate.
6. variable-pressure adsorption equipment molecular sieve compressing hermetically-sealed construction according to claim 1, is characterized in that, described elastic seal ring is that rubber is made.
7. according to variable-pressure adsorption equipment molecular sieve compressing hermetically-sealed construction according to claim 1, it is characterized in that, the internal diameter that the external diameter of molecular sieve is greater than described inner chamber is fixed in described inner chamber to make described molecular sieve interference fit.
8. kind of variable-pressure adsorption equipment, comprises apparatus body, and described apparatus body is provided with inner chamber, it is characterized in that, is provided with the variable-pressure adsorption equipment molecular sieve compressing hermetically-sealed construction as described in claim 1-7 mono-in described inner chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410641419.5A CN104368222B (en) | 2014-11-14 | 2014-11-14 | Variable-pressure adsorption equipment molecular sieve compressing seals structure, variable-pressure adsorption equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410641419.5A CN104368222B (en) | 2014-11-14 | 2014-11-14 | Variable-pressure adsorption equipment molecular sieve compressing seals structure, variable-pressure adsorption equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104368222A true CN104368222A (en) | 2015-02-25 |
| CN104368222B CN104368222B (en) | 2016-08-17 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5354361A (en) * | 1993-05-28 | 1994-10-11 | Litton Industries, Inc. | Energy recovering pressure balance scheme for a combination pressure swing absorber with a boost compressor |
| US5827358A (en) * | 1996-11-08 | 1998-10-27 | Impact Mst, Incorporation | Rapid cycle pressure swing adsorption oxygen concentration method and apparatus |
| CN2868393Y (en) * | 2005-12-29 | 2007-02-14 | 杭州正大空分设备制造有限公司 | Self-operated filler compacting device |
| CN101992002A (en) * | 2009-08-11 | 2011-03-30 | 张文波 | Novel absorption tower |
| CN103157343A (en) * | 2013-03-28 | 2013-06-19 | 张家港市江南利玛特设备制造有限公司 | Molecular sieve adsorber |
| CN204219996U (en) * | 2014-11-14 | 2015-03-25 | 北京中成航宇空分设备有限公司 | Variable-pressure adsorption equipment molecular sieve compressing hermetically-sealed construction, variable-pressure adsorption equipment |
-
2014
- 2014-11-14 CN CN201410641419.5A patent/CN104368222B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5354361A (en) * | 1993-05-28 | 1994-10-11 | Litton Industries, Inc. | Energy recovering pressure balance scheme for a combination pressure swing absorber with a boost compressor |
| US5827358A (en) * | 1996-11-08 | 1998-10-27 | Impact Mst, Incorporation | Rapid cycle pressure swing adsorption oxygen concentration method and apparatus |
| CN2868393Y (en) * | 2005-12-29 | 2007-02-14 | 杭州正大空分设备制造有限公司 | Self-operated filler compacting device |
| CN101992002A (en) * | 2009-08-11 | 2011-03-30 | 张文波 | Novel absorption tower |
| CN103157343A (en) * | 2013-03-28 | 2013-06-19 | 张家港市江南利玛特设备制造有限公司 | Molecular sieve adsorber |
| CN204219996U (en) * | 2014-11-14 | 2015-03-25 | 北京中成航宇空分设备有限公司 | Variable-pressure adsorption equipment molecular sieve compressing hermetically-sealed construction, variable-pressure adsorption equipment |
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|---|---|
| CN104368222B (en) | 2016-08-17 |
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Address after: Room 516, Building 7, Yard 27, Nanbinhe Road, Xicheng District, Beijing 100055 Patentee after: Beijing Zhongcheng Aerospace Technology Co.,Ltd. Address before: Room 516, Building 7, Yard 27, Nanbinhe Road, Xicheng District, Beijing 100055 Patentee before: CAN GAS SYSTEMS CO.,LTD. |
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