CN202166277U - Novel medical oxygenerator - Google Patents
Novel medical oxygenerator Download PDFInfo
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- CN202166277U CN202166277U CN2011201876965U CN201120187696U CN202166277U CN 202166277 U CN202166277 U CN 202166277U CN 2011201876965 U CN2011201876965 U CN 2011201876965U CN 201120187696 U CN201120187696 U CN 201120187696U CN 202166277 U CN202166277 U CN 202166277U
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Abstract
The utility model discloses a novel medical oxygenerator which comprises an air compressor, a pre-cooling unit, a purification system, a heat exchanger, an expander and a rectifying tower sequentially connected through pipes and pipe control valves, wherein the purification system, the expander and the rectifying tower respectively penetrate through the heat exchanger and articulated with each other through pipes and pipe control valves, and an oxygen balancer is connected to one port on the lower portion of the rectifying tower through a pipe and a pipe control valve. One port of the oxygen balancer is communicated with a user terminal through a pipe and a pipe control valve, and one port of the purification system is communicated with atmosphere through a pipe and a pipe control valve. On-site preparation of oxygen is enabled by separation of air through heat exchange, rectification and return flow expansion under a low temperature, and oxygen prepared is high in purity. The novel medical oxygenerator solves the problem that oxygen prepared by a conventional oxygenerator is low in purity and does not meet the new standard prescribed in GB8982-1998 Medical Oxygen and Chinese Pharmacopeia.
Description
Technical field
The utility model relates to a kind of oxygen generating plant, relates in particular to a kind of medical oxygen generator.
Background technology
Existing medical institutions oxygen supply usual way is: 1. medical institutions directly buy oxygen from oxygen production enterprise, oxygen cylinder group bus-bar central gas supply or use separately; 2. medical institutions directly buy liquid oxygen from oxygen production enterprise, and liquid oxygen passes through from pressure charging system, carburetion system, voltage-regulating system concentrated oxygen supply; 3. molecular sieve adsorption system oxygen.But the medical oxygen of employing method 1.2 can not be produced oxygen in the scene, and is with high costs, and transportation, storage, use all bring inconvenience to the user; The medical oxygen purity of employing method 3 is not high, and theoretic purity peak also is merely 95.7%, can not satisfy GB8982-1998 " medical oxygen " and " up-to-date standard in the Chinese pharmacopoeia.
Chinese patent notification number CN201664570U; December 8 2010 day for announcing; A kind of medical oxygen generator is disclosed; Comprise the air compressor machine that is communicated with successively through pipeline and pipeline control valve, trunk line filter, cooling driers, air cushioning jar, tertiary filter, two and identical adsorption tower, oxygen surge tank and the switch board of the structure that connects and the oxygen container that is communicated with successively through pipeline and pipeline control valve, ultimate filter; Trunk line bottom between said cooling driers and air cushioning jar is passed through tube connector, is communicated with the water content detection control device through choke valve, and said switch board directly is communicated with through pipeline with said oxygen container.In said adsorption tower, be provided with molecular sieve pressurize stabilising arrangement.
Chinese patent notification number CN2564235Y on August 6 2003 day for announcing, discloses a kind of medical molecular sieve oxygen generation machine; By alternately absorption, the desorb of A tower, B tower; Realize continuous oxygen generation, interconnect through plurality of conduits and valve between A, the B tower that wherein the A tower is provided with A tower air inlet and A tower oxygen generating port; The B tower is provided with B tower air inlet and B tower oxygen generating port, and above-mentioned air inlet and oxygen generating port all are arranged on the bottom of A, B tower.This device has following characteristics: adopt air inlet/outlet all in the structure of adsorption tower bottom, adsorption effect obviously improves, and handles tolerance and significantly improves; Topology layout is tending towards rationally, and product is more elegant in appearance, selects electromagnetism-gas-driving valve for use, good reliability, and antijamming capability is strong, and fault rate is low, and noise is little.
Chinese patent notification number CN2687100Y; March 23 2005 day for announcing; Disclose a kind of medical oxygen generator, it is made up of housing, compressor, air cleaner, combination valve, two molecular sieve adsorption tubes, oxygen surge tank and humidification bottles, and compressor is positioned at the bottom of housing one end; Above being positioned at, compressor inlet is connected with air cleaner above it; The outlet of compressor top is connected with the combination valve that is positioned at compressor top, and combination valve connects the upper inlet of left and right two the molecular sieve adsorption tubes that are positioned at the housing other end respectively, and two molecular sieve adsorption tube lower part outlets are connected with the lower inlet of the oxygen surge tank that is positioned at two molecular sieve adsorption tubes centres; The outlet of oxygen surge tank upper end connects the air inlet of humidification bottle upper end, and the gas outlet of humidification bottle upper end connects the oxygen delivery outlet of hull outside.
Above-mentioned medical oxygen generator all adopts method 3 to make oxygen; The medical oxygen generator of employing method 3 system oxygen; The medical oxygen purity of making is not high, and theoretic purity peak also is merely 95.7%, can not satisfy GB8982-1998 " medical oxygen " and " up-to-date standard in the Chinese pharmacopoeia.
Summary of the invention
The purpose of the utility model is to provide a kind of medical oxygen generator of producing oxygen through separation of air; It is not high to have solved the medical oxygen purity that existing medical oxygen generator makes; Theoretic purity peak also is merely 95.7%, can not satisfy GB8982-1998 " medical oxygen " and " problem of up-to-date standard in the Chinese pharmacopoeia.
For solving the problems of the technologies described above, the utility model adopts following technical scheme:
A kind of new medical oxygenerator; Comprise the air compressor, precooling unit, purifying cleaning system, heat exchanger, decompressor and the rectifying column that are communicated with successively through pipeline and pipeline control valve; Said purifying cleaning system, decompressor and rectifying column pass heat exchanger respectively through pipeline and the mutual articulating of pipeline control valve; One port of said rectifying column bottom is connected with the oxygen balance device through pipeline and pipeline control valve; One port of oxygen balance device is communicated with user side through pipeline and pipeline control valve, and the purifying cleaning system has a port to be communicated with atmosphere through pipeline and pipeline control valve.Air is through compressor compresses; Precooling unit cooling and the air of in the purifying cleaning system, removing objectionable impurities are cooled to get into rectifying column behind the partial liquefaction through heat exchanger, in tower, separate into oxygen, the nitrogen product of various states of matters; Getting into decompressor after the dirty nitrogen process heat exchanger heat exchange of backflowing expands; The back air that expands is got rid of ice chest after through the heat exchanger heat exchange as the purification system source of the gas of regenerating, and redundance is discharged atmosphere, thereby the utility model adopts heat exchange, rectifying, stream backed expansion to come separation of air to produce oxygen down through low temperature; The oxygen purity produced is high, satisfies GB8982-1998 " medical oxygen " and " up-to-date standard in the Chinese pharmacopoeia.
As preferably, a port of said rectifying column bottom is connected with low-temperature (low temperature) vessel through pipeline and pipeline control valve.Through extracting liquid oxygen out to low-temperature (low temperature) vessel, as subsequent use oxygen source or other purposes from rectifier bottoms.
As preferably, a port of said rectifying column bottom is connected with liquid oxygen pump through pipeline and pipeline control valve, and liquid oxygen pump passes the oxygen heat exchanger through pipeline and pipeline control valve and is communicated with user side.Extract liquid oxygen out from rectifier bottoms and after liquid oxygen pump pressurizes the re-heat of laggard oxygen heat exchanger, see ice chest off, convenient deposit supplies the user directly to use.
As preferably; Said rectifying column adopts single rectification column; Comprise condenser/evaporator and Shang Ta; The purifying cleaning system is passed heat exchanger and is communicated with condenser/evaporator through pipeline and pipeline control valve, and condenser/evaporator is communicated with through pipeline and pipeline control valve goes up tower, and last tower is communicated with decompressor through pipeline and pipeline control valve.In air separation process, dirty nitrogen expands at low temperatures, and externally work done for rectifying column provides cold, makes things convenient for the rectifying column self-energy to be fully utilized, and realizes the recycle of energy.
The beneficial effect of the utility model is: thus the utility model adopts heat exchange, rectifying, stream backed expansion to come separation of air to produce oxygen down through low temperature, can produce oxygen in the scene, and the oxygen purity of producing is high; Oxygen source is reliable; The high-quality height of product, the cost of unit product significantly descends, but the cost performance of optimizing equipment; Floor space is little, and operation and maintenance are simple.
Description of drawings
Fig. 1 is the structural representation of first embodiment of the medical oxygen generator of the utility model;
Fig. 2 is the structural representation of second embodiment of the medical oxygen generator of the utility model;
Fig. 3 is the structural representation of the 3rd embodiment of the medical oxygen generator of the utility model.
Among the figure: 1-air compressor, 2-precooling unit, 3-purifying cleaning system, 4-heat exchanger, 5-decompressor, 6-condenser/evaporator, the last tower of 7-, 8-oxygen balance device, 9-low-temperature (low temperature) vessel, 10-liquid oxygen pump, 11-oxygen heat exchanger.
The specific embodiment
Pass through specific embodiment below, and combine accompanying drawing, the technical scheme of the utility model is done further to specifically describe:
Embodiment 1: shown in accompanying drawing 1, a kind of new medical oxygenerator comprises air compressor 1, precooling unit 2, purifying cleaning system 3, heat exchanger 4, decompressor 5, condenser/evaporator 6, goes up tower 7 and oxygen balance device 8.The air compressor 1, precooling unit 2, purifying cleaning system 3, heat exchanger 4, decompressor 5 and the rectifying column that are communicated with successively through pipeline and pipeline control valve; Purifying cleaning system 3, decompressor 5 and rectifying column pass heat exchanger 4 respectively through pipeline and the mutual articulating of pipeline control valve; One port of rectifying column bottom is connected with oxygen balance device 8 through pipeline and pipeline control valve; One port of oxygen balance device 8 is communicated with user side through pipeline and pipeline control valve, and purifying cleaning system 3 has a port to be communicated with atmosphere through pipeline and pipeline control valve.
Air is through compressor 1 compression, and 2 coolings of precooling unit and the air of in purifying cleaning system 3, removing objectionable impurities are cooled to get into rectifying column behind the partial liquefaction through heat exchanger 4; Rectifying column adopts single rectification column; Comprise condenser/evaporator 6 and last tower 7, in tower, separate into oxygen, the nitrogen product of various states of matters, get into decompressor 5 after dirty nitrogen process heat exchanger 4 heat exchange of backflowing and expand; The back air that expands is got rid of ice chest after through heat exchanger 4 heat exchange as the purification system source of the gas of regenerating, redundance emptying.Product oxygen is extracted out from the rectifying column bottom, sends into oxygen balance device 8 to user side through extracting ice chest after heat exchanger 4 re-heats out.
Embodiment 2: shown in accompanying drawing 2, a kind of new medical oxygenerator comprises air compressor 1, precooling unit 2, purifying cleaning system 3, heat exchanger 4, decompressor 5, condenser/evaporator 6, goes up tower 7, oxygen balance device 8 and low-temperature (low temperature) vessel 9.The air compressor 1, precooling unit 2, purifying cleaning system 3, heat exchanger 4, decompressor 5 and the rectifying column that are communicated with successively through pipeline and pipeline control valve; Purifying cleaning system 3, decompressor 5 and rectifying column pass heat exchanger 4 respectively through pipeline and the mutual articulating of pipeline control valve; One port of rectifying column bottom is connected with oxygen balance device 8 through pipeline and pipeline control valve; One port of oxygen balance device 8 is communicated with user side through pipeline and pipeline control valve; Purifying cleaning system 3 has a port to be communicated with atmosphere through pipeline and pipeline control valve, and a port of rectifying column bottom is connected with low-temperature (low temperature) vessel 9 through pipeline and pipeline control valve.
Air is through compressor 1 compression, and 2 coolings of precooling unit and the air of in purifying cleaning system 3, removing objectionable impurities are cooled to get into rectifying column behind the partial liquefaction through heat exchanger 4; Rectifying column adopts single rectification column; Comprise condenser/evaporator 6 and last tower 7, in tower, separate into oxygen, the nitrogen product of various states of matters, get into decompressor 5 after dirty nitrogen process heat exchanger 4 heat exchange of backflowing and expand; The back air that expands is got rid of ice chest after through heat exchanger 4 heat exchange as the purification system source of the gas of regenerating, redundance emptying.Product oxygen is extracted out from the rectifying column bottom, sends into oxygen balance device 8 to user side through extracting ice chest after heat exchanger 4 re-heats out.Extract liquid oxygen to low-temperature (low temperature) vessel 9 out from rectifier bottoms, as subsequent use oxygen source or other purposes.
Embodiment 3: shown in accompanying drawing 3, a kind of new medical oxygenerator comprises air compressor 1, precooling unit 2, purifying cleaning system 3, heat exchanger 4, decompressor 5, condenser/evaporator 6, goes up tower 7, oxygen balance device 8, liquid oxygen pump 10 and oxygen heat exchanger 11.The air compressor 1, precooling unit 2, purifying cleaning system 3, heat exchanger 4, decompressor 5 and the rectifying column that are communicated with successively through pipeline and pipeline control valve; Purifying cleaning system 3, decompressor 5 and rectifying column pass heat exchanger 4 respectively through pipeline and the mutual articulating of pipeline control valve; One port of rectifying column bottom is connected with oxygen balance device 8 through pipeline and pipeline control valve; One port of oxygen balance device 8 is communicated with user side through pipeline and pipeline control valve; Purifying cleaning system 3 has a port to be communicated with atmosphere through pipeline and pipeline control valve; One port of rectifying column bottom is connected with liquid oxygen pump 10 through pipeline and pipeline control valve, and liquid oxygen pump 10 passes oxygen heat exchanger 11 through pipeline and pipeline control valve and is communicated with user side.
Air is through compressor 1 compression, and 2 coolings of precooling unit and the air of in purifying cleaning system 3, removing objectionable impurities are cooled to get into rectifying column behind the partial liquefaction through heat exchanger 4; Rectifying column adopts single rectification column; Comprise condenser/evaporator 6 and last tower 7, in tower, separate into oxygen, the nitrogen product of various states of matters, get into decompressor 5 after dirty nitrogen process heat exchanger 4 heat exchange of backflowing and expand; The back air that expands is got rid of ice chest after through heat exchanger 4 heat exchange as the purification system source of the gas of regenerating, redundance emptying.Product oxygen is extracted out from the rectifying column bottom, sends into oxygen balance device 8 to user side through extracting ice chest after heat exchanger 4 re-heats out.Extract liquid oxygen out from rectifier bottoms and after laggard oxygen heat exchanger 10 re-heats of liquid oxygen pump 9 pressurizations, see ice chest off.
Above-described embodiment is a kind of preferable scheme of the utility model, is not the utility model is done any pro forma restriction, under the prerequisite that does not exceed the technical scheme that claim puts down in writing, also has other variant and remodeling.
Claims (3)
1. new medical oxygenerator; It is characterized in that; Said new medical oxygenerator comprises air compressor (1), precooling unit (2), purifying cleaning system (3), heat exchanger (4), decompressor (5) and the rectifying column that is communicated with successively through pipeline and pipeline control valve; Said purifying cleaning system (3), decompressor (5) and rectifying column pass heat exchanger (4) respectively through pipeline and the mutual articulating of pipeline control valve; One port of said rectifying column bottom is connected with oxygen balance device (8) through pipeline and pipeline control valve; One port of oxygen balance device (8) is communicated with user side through pipeline and pipeline control valve, and purifying cleaning system (3) has a port to be communicated with atmosphere through pipeline and pipeline control valve.
2. new medical oxygenerator according to claim 1 is characterized in that, a port of said rectifying column bottom is connected with low-temperature (low temperature) vessel (9) through pipeline and pipeline control valve.
3. new medical oxygenerator according to claim 1; It is characterized in that; One port of said rectifying column bottom is connected with liquid oxygen pump (10) through pipeline and pipeline control valve, and liquid oxygen pump (10) passes oxygen heat exchanger (11) through pipeline and pipeline control valve and is communicated with user side.
4.According to claim 1 or 2 or 3 described new medical oxygenerators; It is characterized in that; Said rectifying column adopts single rectification column, comprises condenser/evaporator (6) and last tower (7), and purifying cleaning system (3) is passed heat exchanger (4) and is communicated with condenser/evaporator (6) through pipeline and pipeline control valve; Condenser/evaporator (6) is communicated with through pipeline and pipeline control valve goes up tower (7), and last tower (7) is communicated with decompressor (5) through pipeline and pipeline control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201876965U CN202166277U (en) | 2011-06-07 | 2011-06-07 | Novel medical oxygenerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201876965U CN202166277U (en) | 2011-06-07 | 2011-06-07 | Novel medical oxygenerator |
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| Publication Number | Publication Date |
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| CN202166277U true CN202166277U (en) | 2012-03-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201876965U Expired - Fee Related CN202166277U (en) | 2011-06-07 | 2011-06-07 | Novel medical oxygenerator |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102249196A (en) * | 2011-06-07 | 2011-11-23 | 杭州优埃基空分设备有限公司 | Novel medical oxygen generator |
| CN111928575A (en) * | 2020-08-10 | 2020-11-13 | 广东汇兴空气液化有限公司 | Medical oxygen preparation method |
-
2011
- 2011-06-07 CN CN2011201876965U patent/CN202166277U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102249196A (en) * | 2011-06-07 | 2011-11-23 | 杭州优埃基空分设备有限公司 | Novel medical oxygen generator |
| CN111928575A (en) * | 2020-08-10 | 2020-11-13 | 广东汇兴空气液化有限公司 | Medical oxygen preparation method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120314 Termination date: 20140607 |