CN203212325U - Molecular sieve desorption and regeneration structure for VPSA (vacuum pressure swing adsorption) oxygen generating device - Google Patents
Molecular sieve desorption and regeneration structure for VPSA (vacuum pressure swing adsorption) oxygen generating device Download PDFInfo
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- CN203212325U CN203212325U CN 201320182254 CN201320182254U CN203212325U CN 203212325 U CN203212325 U CN 203212325U CN 201320182254 CN201320182254 CN 201320182254 CN 201320182254 U CN201320182254 U CN 201320182254U CN 203212325 U CN203212325 U CN 203212325U
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Abstract
The utility model discloses an oxygen generating device, and provides a molecular sieve desorption and regeneration structure for a VPSA (vacuum pressure swing adsorption) oxygen generating device, which saves the manufacture cost, can reduce the fault rate of a noise silencer and can prolong the service life of the noise silencer, aiming to solve the technical problems of high fault rate, short service life and the like of the noise silencer on the VPSA oxygen generating device in the prior art. The molecular sieve desorption and regeneration structure for the VPSA oxygen generating device comprises a left adsorption tower and a right adsorption tower which are arranged in parallel, wherein the air intake ends of the two adsorption towers are respectively connected with an air exhaust port of an air blower through an air intake valve and are respectively connected with an air intake port of a vacuum pump through an air suction valve; the air exhaust ends of the two adsorption towers are respectively connected with an air inlet of an oxygen storage tank through an air exhaust valve; an overload air intake and exhaust pipeline is arranged between the air exhaust port of the air blower and the air intake port of the vacuum pump, and is communicated with atmosphere through the noise silencer.
Description
Technical field
The utility model relates to a kind of oxygen generating plant, relates in particular to a kind of sound damper failure rate that reduces, the molecular sieve desorption and regeneration structure on the VPSA oxygen generating plant of being used for that prolongs sound damper work-ing life.
Background technology
On existing VPSA oxygenerator, generally on the outlet conduit of the import of vacuum pump and gas blower, a sound damper is installed to reduce the suction and discharge noise respectively, but owing to contain certain dust and particulate matter in the pressurized air, therefore cause the failure rate of two sound dampers obviously to improve.
Chinese patent discloses a kind of high density family expenses molecular sieve oxygen generation machine (CN202322372U), it is to be in series successively by dewatering unit, inhalation device and suction carbon device, and described inhalation device includes two carbonaceous molecular sieve adsorption columns that are in parallel, first gas tank, first vacuum pump; Described suction carbon device includes two oxygen molecular sieve adsorption columns that are in parallel, second gas tank, second vacuum pump.This device is to remove nitrogen and argon gas with carbonaceous molecular sieve preferentially adsorbed oxygen, remove residual nitrogen with oxygen molecular sieve, and pass through Vacuum Pressure Swing Adsorption, but the import of the vacuum pump in this structure and the outlet of gas blower all do not arrange sound damper, therefore its suction and discharge noise is big, influences the comfort of oxygenerator.
Summary of the invention
The utility model has mainly provided a kind of saving manufacturing cost, and can reduce the sound damper failure rate, the molecular sieve desorption and regeneration structure on the VPSA oxygen generating plant of being used for that prolongs sound damper work-ing life, solved the sound damper failure rate height on the VPSA oxygenerator that exists in the prior art, the technical problem that work-ing life is short etc.
Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals: a kind of for the molecular sieve desorption and regeneration structure on the VPSA oxygen generating plant, comprise the left adsorption tower and the right adsorption tower that are arranged in parallel, the inlet end of two adsorption towers links to each other with the venting port of gas blower and links to each other with the inlet mouth of vacuum pump by sniff valve respectively by intake valve respectively, exhaust side links to each other with the inlet mouth of oxygen storage tank by vent valve respectively, be provided with overload intake and exhaust pipeline between the inlet mouth of the venting port of described gas blower and vacuum pump, overload intake and exhaust pipeline is connected with atmosphere by sound damper.The outlet of the import of vacuum pump and gas blower is connected on the same sound damper jointly, namely reduced by a sound damper, not only saved manufacturing cost, and suction and discharge are used alternatingly, the failure rate of sound damper is obviously reduced. prolong the work-ing life of sound damper, and provide reliable guarantee for the normal operation of whole plant.
As preferably, between the inlet end of described left adsorption tower and right adsorption tower, be parallel with admission passage and exhaust line, the venting port of gas blower is communicated with the middle part at admission passage, intake valve is symmetrically set in the both sides at admission passage middle part, the inlet mouth of vacuum pump is communicated with at the middle part of exhaust line, and sniff valve is symmetrically set in the both sides at exhaust line middle part.Gas blower and vacuum pump are connected on admission passage and the exhaust line, and pipeline is laid clear and rational, is convenient to installation and the maintenance of whole plant.
As preferably, described intake valve, sniff valve and vent valve are pneumavalve.Pneumavalve can be controlled break-make automatically by the operating gaseous tension of equipment, makes the safe and reliable operation of whole plant.
As preferably, the pipeline between the inlet mouth of the pipeline between the venting port of described sound damper and gas blower and sound damper and vacuum pump is respectively equipped with pneumavalve.Pneumavalve can be controlled break-make automatically by the pressure of left and right adsorption tower, avoids the pressure in the left and right adsorption tower excessive or too small.
As preferably, be in series with watercooler at the pipeline of the venting port correspondence of described gas blower.Watercooler can reduce gas blower expellant gas temperature, is beneficial to the normal operation of oxygen generating plant.
Therefore, of the present utility model have following advantage for the molecular sieve desorption and regeneration structure on the VPSA oxygen generating plant: vacuum pump and gas blower share a sound damper, not only saved manufacturing cost, and can reduce the failure rate of sound damper, prolong the work-ing life of sound damper, for the normal operation of whole plant provides reliable guarantee; Pneumavalve can be controlled break-make automatically by the operating gaseous tension of equipment, makes the safe and reliable operation of whole plant.
Description of drawings:
Fig. 1 is the structural representation that the utility model is used for the molecular sieve desorption and regeneration structure on the VPSA oxygen generating plant.
Embodiment:
Below by embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment:
As shown in Figure 1, of the present utility model a kind of for the molecular sieve desorption and regeneration structure on the VPSA oxygen generating plant, comprise the left adsorption tower 1 and the right adsorption tower 2 that are arranged in parallel, an admission passage 12 and an exhaust line 13 are being connected in parallel between the inlet end of two adsorption towers, the middle part of admission passage 12 is being communicated with the venting port of gas blower 4, in order to reduce the exhaust temperature of gas blower 4, at the venting port of gas blower 4 watercooler 15 of having connected, the middle part of exhaust line 13 is being communicated with the inlet mouth of vacuum pump 7, and symmetry has been installed an intake valve 3 on the admission passage 12 of gas blower 4 venting port both sides correspondences, symmetry has been installed a sniff valve 6 on the exhaust line 13 of vacuum pump 7 inlet mouth both sides correspondences, the exhaust side of two adsorption towers is connected with the inlet mouth of oxygen storage tank 9 by a vent valve 8 respectively, intake valve 3 wherein, sniff valve 6 and vent valve 8 are pneumavalve, between the inlet mouth of the venting port of gas blower 4 and vacuum pump 7, be communicated with an overload intake and exhaust pipeline 10, overload intake and exhaust pipeline 10 is connected with atmosphere by sound damper 11, on the overload intake and exhaust pipeline 10 between the inlet mouth of the overload intake and exhaust pipeline 10 between the venting port of described sound damper 11 and gas blower 4 and sound damper 11 and vacuum pump 7, a pneumavalve 14 has been installed respectively
During use, with left adsorption tower 1 oxygen processed, right adsorption tower 2 is regenerated as example, the pressurized air that gas blower 4 venting ports are discharged is through watercooler 15, again through admission passage 12, intake valve 3 enters left adsorption tower 1 oxygen processed, vacuum pump 7 is through exhaust line 13 simultaneously, sniff valve 6 is absorbed adsorbed gas on the right adsorption tower 2 interior molecular sieves, make regenerating molecular sieve in the right adsorption tower 2, when the pressure in the left adsorption tower 1 rises to set(ting)value, or the pressure in the right adsorption tower 2 are when dropping to set(ting)value, pneumavalve 14 on the overload intake and exhaust pipeline 10 is opened, the unnecessary gas that gas blower 4 venting ports are discharged is discharged to atmosphere through sound damper 11, or vacuum pump 7 is through the straight-through atmosphere of sound damper 11, and vice versa.
Specific embodiment described herein only is that design of the present utility model is illustrated.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Claims (5)
1. molecular sieve desorption and regeneration structure that is used on the VPSA oxygen generating plant, comprise the left adsorption tower (1) and the right adsorption tower (2) that are arranged in parallel, the inlet end of two adsorption towers links to each other with the venting port of gas blower (4) and links to each other by the inlet mouth of sniff valve (6) with vacuum pump (7) respectively by intake valve (3) respectively, exhaust side links to each other with the inlet mouth of oxygen storage tank (9) by vent valve (8) respectively, it is characterized in that: be provided with overload intake and exhaust pipelines (10) between the inlet mouth of the venting port of described gas blower (4) and vacuum pump (7), overload intake and exhaust pipelines (10) are connected with atmosphere by sound damper (11).
2. according to claim 1 for the molecular sieve desorption and regeneration structure on the VPSA oxygen generating plant, it is characterized in that: between the inlet end of described left adsorption tower (1) and right adsorption tower (2), be parallel with admission passage (12) and exhaust line (13), the venting port of gas blower (4) is communicated with the middle part in admission passage (12), intake valve (3) is symmetrically set in the both sides at admission passage (12) middle part, the inlet mouth of vacuum pump (7) is communicated with at the middle part of exhaust line (13), and sniff valve (6) is symmetrically set in the both sides at exhaust line (13) middle part.
3. according to claim 1 and 2 for the molecular sieve desorption and regeneration structure on the VPSA oxygen generating plant, it is characterized in that: described intake valve (3), sniff valve (6) and vent valve (8) are pneumavalve.
4. according to claim 1 and 2 for the molecular sieve desorption and regeneration structure on the VPSA oxygen generating plant, it is characterized in that: the pipeline between the inlet mouth of the pipeline between the venting port of described sound damper (11) and gas blower (4) and sound damper (11) and vacuum pump (7) is respectively equipped with pneumavalve (14).
5. according to claim 1 and 2 for the molecular sieve desorption and regeneration structure on the VPSA oxygen generating plant, it is characterized in that: the pipeline in the venting port correspondence of described gas blower (4) is in series with watercooler (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320182254 CN203212325U (en) | 2013-04-12 | 2013-04-12 | Molecular sieve desorption and regeneration structure for VPSA (vacuum pressure swing adsorption) oxygen generating device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320182254 CN203212325U (en) | 2013-04-12 | 2013-04-12 | Molecular sieve desorption and regeneration structure for VPSA (vacuum pressure swing adsorption) oxygen generating device |
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| CN203212325U true CN203212325U (en) | 2013-09-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201320182254 Expired - Fee Related CN203212325U (en) | 2013-04-12 | 2013-04-12 | Molecular sieve desorption and regeneration structure for VPSA (vacuum pressure swing adsorption) oxygen generating device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104089384A (en) * | 2014-07-15 | 2014-10-08 | 江苏新誉空调系统有限公司 | Railway train air-conditioning system with oxygen supply frequency conversion function |
| CN106241744A (en) * | 2016-07-26 | 2016-12-21 | 成都华西堂环保科技有限公司 | A kind of low energy consumption multitower VPSA oxygen technique |
| CN106267950A (en) * | 2015-05-13 | 2017-01-04 | 中国石油化工股份有限公司 | A kind of rotary flashing drying equipment and drying means |
| CN108317071A (en) * | 2018-03-27 | 2018-07-24 | 常熟市天银机电股份有限公司 | The combined type air-breathing muffler of refrigeration compressor |
| CN108751134A (en) * | 2018-06-28 | 2018-11-06 | 太仓永固精密制件有限公司 | A kind of mute oxygenerator |
-
2013
- 2013-04-12 CN CN 201320182254 patent/CN203212325U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104089384A (en) * | 2014-07-15 | 2014-10-08 | 江苏新誉空调系统有限公司 | Railway train air-conditioning system with oxygen supply frequency conversion function |
| CN106267950A (en) * | 2015-05-13 | 2017-01-04 | 中国石油化工股份有限公司 | A kind of rotary flashing drying equipment and drying means |
| CN106267950B (en) * | 2015-05-13 | 2018-12-21 | 中国石油化工股份有限公司 | A kind of rotary flashing drying equipment and drying means |
| CN106241744A (en) * | 2016-07-26 | 2016-12-21 | 成都华西堂环保科技有限公司 | A kind of low energy consumption multitower VPSA oxygen technique |
| CN108317071A (en) * | 2018-03-27 | 2018-07-24 | 常熟市天银机电股份有限公司 | The combined type air-breathing muffler of refrigeration compressor |
| CN108317071B (en) * | 2018-03-27 | 2024-01-23 | 常熟市天银机电股份有限公司 | Combined suction and exhaust muffler for refrigeration compressor |
| CN108751134A (en) * | 2018-06-28 | 2018-11-06 | 太仓永固精密制件有限公司 | A kind of mute oxygenerator |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130925 Termination date: 20160412 |