CN202387352U - Small intelligent oxygen generating and pressing integrated machine - Google Patents
Small intelligent oxygen generating and pressing integrated machine Download PDFInfo
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- CN202387352U CN202387352U CN2011205243054U CN201120524305U CN202387352U CN 202387352 U CN202387352 U CN 202387352U CN 2011205243054 U CN2011205243054 U CN 2011205243054U CN 201120524305 U CN201120524305 U CN 201120524305U CN 202387352 U CN202387352 U CN 202387352U
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Abstract
The utility model discloses a small intelligent oxygen generating and pressing integrated machine, which comprises a shell. An oxygen generating unit, an oxygen pressing unit and an oxygen supplying unit respectively controlled by a control system are arranged in the shell, the control system is provided with a single chip microcomputer or a programmable controller, the oxygen generating unit comprises an air filter, an air dryer, an air compressor, a radiator, an adsorption tower and an oxygen storage tank which are sequentially connected through a pipeline, the oxygen supplying unit comprises an oxygen absorption flow regulating valve and a humidifying bottle which are sequentially connected through a pipeline, and the oxygen pressing unit comprises an oxygen pressing flow regulating valve, a buffer tank, a tertiary oxygen compressor, a one-way valve and an oxygen bottle which are sequentially connected through a pipeline. By means of mechanical-electrical integrated design, the small intelligent oxygen generating and pressing integrated machine simultaneously has oxygen generating and pressing functions, organically combines oxygen generating and oxygen pressing and improves system integration.
Description
Technical field
The utility model relates to oxygen preparing technical field and oxygen pressurization Canning Technique field, but relate in particular to adopt pressure swing adsorption technique preparation oxygen supply treat oxygen for health care and through multi-stage compression to the oxygen Canning Technique field of pressurizeing.
Background technology
In recent years, along with growth in the living standard, people pay close attention to healthy more, and wherein oxygen therapy and oxygen keep healthy, and conduct is built up health, prophylactic a kind of new method is accepted just gradually.This emerging industry of small-sized oxygenerator is also quietly risen thereupon, and has shown staggering growth trend.At present; Small-sized oxygenerator has been widely used in the partner treatment of diseases such as angiocardiopathy, cranial vascular disease, respiratory disease, altitude sickness and altitude sickness, disease of old people, childrens respiratory tract infection disease, sleep property hypoxemia and gas poisoning anoxic; Be applicable to places such as family, hospital, sanatorium, cadre's sanitarium, cosmetology and health center, sentry post, plateau, athletic training center; Except that anoxic patient oxygen therapy, also become the partner that wide brain worker, sportsman, the elderly, pregnant woman, children etc. carry out mentality and antisecosis, supplemental treatment and physiological hygiene.
At present, in most of small towns of China and outlying district, because the system oxygen of conventional oxygen station presses oxygen equipment huge; Investment is big, and is with high content of technology, complicated operation; Environmental requirement is strict, adds the restriction that receives geographical position and transportation condition, and there is shortage problem in oxygen supply.Though small-sized oxygenerator is promoted the use of in some area, the oxygen of producing can only can not fill bottle and store with using with system; Use receives a lot of restrictions; And, receiving the influence of many factors, collection produces oxygen does not have exploitation with the small-sized oxygen machine of neutralizing of pressing the oxygen one in China; Making does not have the area at large-scale oxygen station and unit oxygen to fill the bottle difficulty, and having had a strong impact on needs oxygen unit and the individual oxygen demand of using.Chinese patent 200620082260.9 has been introduced a kind of small-sized oxygenerator, and this oxygenerator adopts molecular sieve pressure swing adsorption technique to prepare oxygen rich gas, can only prepare oxygen rich gas, is oxygen generation system independently, can not pressurize to the oxygen of preparation and fill bottle.Chinese patent 200820087034.9 has been introduced a kind of oxygen compressor that adopts oxygen collecting device, belongs to the large-scale oxygen device of independently pressing, and do not have the oxygen source promptly can't work, and volume is big, is not suitable for small-sized the integrated of oxygen all-in-one of neutralizing.
The utility model content
The utility model technical issues that need to address will provide a kind of mini-plant exactly, can carry out the preparation of oxygen and the pressurization filling of oxygen simultaneously, and possess the function that system oxygen, oxygen uptake and pressure oxygen carry out simultaneously.
The small-sized system oxygen of the utility model is pressed the oxygen all-in-one, comprises housing, and system oxygen unit, pressure oxygen unit and the oxygen controlled respectively by the control system are set in the housing; Said control system's employing single-chip microcomputer or programmable controller;
Said system oxygen unit comprises air cleaner, air dryer, air compressor, radiator, adsorption tower and the oxygen container that is connected successively by pipeline; The two-position five-way valve and the adsorption tower that are positioned at the adsorption tower top integrate; The denitrogen silencer is installed in the denitrogen mouth lower end of adsorption tower; Pressure regulator valve is installed in the outlet side of oxygen container, and the back segment pipeline of pressure regulator valve is installed oxygen concentration sensor and oxygen flow sensor;
Said oxygen is made up of oxygen oxygen uptake flow control valve and humidification bottle that pipeline connects successively;
Said pressure oxygen unit comprises pressure oxygen flow control valve, surge tank, three grades of oxygen compressors, check valve and the oxygen cylinders that connected successively by pipeline, between three grades of oxygen compressors and the check valve pressure sensor is set;
The back segment pipeline of oxygen flow sensor is through triple valve difference oxygen oxygen uptake flow control valve and pressure oxygen flow control valve.
Said air compressor blimp both sides are provided with air cleaner, and the filter lower end is provided with air dryer, and radiator is positioned at the front side of air compressor blimp, and oxygen container is positioned at the right side of radiator, and adsorption tower is positioned at the right side of air compressor.Said air compressor adopts no oily piston compressor.Said adsorption tower adopts Double-Tower Structure or multi-tower structure.Said three grades of oxygen compressors outside is provided with blimp, and three grades of oxygen compressors adopt three grades not have oily piston type compressed.
Pressure swing adsorption technique is adopted in the oxygen preparation, from air, produces.Air is removed redundant moisture through drier, because airborne moisture can impact the separating effect and the service life of molecular sieve then through the airborne solid particle of air cleaner filtering.Dried air is after compressor compresses is pressurized to certain pressure; Through carrying out nitrogen adsorption in the two-position five-way valve entering adsorption tower; Adsorption tower is two towers or multi-tower structure, and the interior change through pressure of adsorption tower hockets, and pressurization is adsorbed and the decompression desorb, to guarantee that oxygen produces continually and steadily.In order to improve oxygen concentration, in absorption and desorption process, designed pressure equalizing, its process realizes through the folding of by-pass valve control.The oxygen that transformation absorption produces, a part is through just carrying out blowback at the adsorption tower of desorb to another after the flow-limiting valve current limliting, and another part gets into air accumulator after through check valve.The nitrogen that desorbs is then discharged through by-pass valve control, in order to eliminate the noise that produces in the denitrogen process, has disposed the denitrogen silencer at the denitrogen mouth.After the oxygen of system oxygen unit preparation cushions through the oxygen container deposit; Can after flowmeter and humidification bottle humidifying, the confession personnel smoke; Also can directly press the oxygen unit to compress and fill bottle, also can for directly smoking and press oxygen to fill bottle oxygen be provided simultaneously through the entering of oxygen surge tank.
For pressing the oxygen unit, disposed the oxygen surge tank, the influence that the discontinuous air inlet of compressor causes the oxygen uptake interface when pressing oxygen to reduce at the inlet end of oxygen compressor.Three grades of piston types of oxygen compressor employing do not have oil pressure and contract, and outlet pressure can reach more than the 13MPa, has disposed check valve in the gas outlet of compressor, the backflow of oxygen when preventing to press oxygen.Configuration effort pressure is flexible pipe or the hard tube of 20MPa behind check valve, and pipe joint is the internal thread of M14*1.5, and this screw thread is pressed the oxygen interface for the standard small oxygen cylinder, can conveniently carry out oxygenation to the plurality of specifications oxygen cylinder.
Intelligent automatic control system's employing single-chip microcomputer or programmable controller (PLC) design; This control system is except that the process recycle streams process control of accomplishing oxygen generation system; Also be designed with multinomial alarm detection function, like low pressure alarming, alarm for high voltage, power alarm, switching overtime warning, hypoxemia warning and oxygen concentration indication supervisor.Be provided with oxygen concentration sensor and flow sensor in system exit, oxygen unit, so that monitor in real time to producing oxygen condition and process.When the operation of system oxygen unit, display screen quantitatively shows oxygen density value, when oxygen concentration is lower than setting value, and system's sound and light alarm.Pressing oxygen outlet place, oxygen unit that pressure sensor is set, can when pressing oxygen pressure to reach setting value, press oxygen unit acousto-optic hint, and stop to press the oxygen program automatically pressing oxygen and filling bottle pressure and monitor in real time.The design of failure warning system, the system that can in time the send signal when undesired that turns round is so that timely shutdown maintenance avoids long-time abnormal running to cause the damage of equipment component.In addition, also be designed with functions such as timing and LED demonstration.
The utility model has been realized system oxygen and the combination of pressing the oxygen function, has that technology is reasonable, automaticity is high, little in light weight, the advantage that is easy to carry etc. of easy to use, volume.
1, neutralizes the oxygen all-in-one through the small intelligentization of Electromechanical Design, have system oxygen simultaneously and press the oxygen function, realized system oxygen and the combination of pressing oxygen, improved the integrated level of system.
2, be raw material and the system oxygen unit through the pressure swing adsorption technique principle design with the air, can prepare continuously whenever and wherever possible and directly use and pressurize and fill the oxygen of bottle, widened the scope of application of oxygenerator.
3, through the pressure oxygen unit of three grades of Piston Compression technological designs, the oxygen that system oxygen unit is produced fills bottle through pressurizeing, be stored in oxygen in the oxygen cylinder, can use oxygen whenever and wherever possible.
4, the design of oxygen interface is pressed in standardization, is convenient to the can of different size oxygen cylinder.
5, intelligent control system has been realized the control system integration of system oxygen and pressure oxygen, has plurality of operating modes and monitoring running state function, has improved automatization level, has guaranteed to neutralize the security and the reliability of oxygen all-in-one operation.
6, the structural design of miniaturization makes that to neutralize oxygen all-in-one volume little, in light weight, portably uses conveniently.
Description of drawings
Fig. 1 is the process structure sketch map of the utility model;
Fig. 2 is that the master of the utility model looks sketch map;
Fig. 3 is that sketch map is looked on the left side of the utility model;
Fig. 4 is that sketch map is looked on the right side that the utility model removes behind the compressor blimp.
Label among the figure: 1, air cleaner, 2, air dryer, 3, air compressor, 4, radiator, 5, two-position five-way valve; 6, denitrogen silencer, 7, adsorption tower, 8, check valve, 9, oxygen container, 10, pressure regulator valve; 11, oxygen concentration sensor, 12, flow sensor, 13, flowmeter, 14, triple valve, 15, the oxygen uptake flow control valve; 16, humidification bottle, 17, press the oxygen flow control valve, 18, surge tank, 19, three grades of oxygen compressors; 20, pressure sensor, 21, check valve, 22, oxygen cylinder, 23, control cabinet.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is done further detailed description.
It is as shown in Figure 1 that small intelligentization is neutralized the process structure of oxygen all-in-one; Air is filtered by the air cleaner 1 that is arranged on system oxygen cell compression machine blimp both sides; After removing particle, through being arranged on air dryer 2 dryings of filter lower end and air compressor blimp both sides, to remove airborne moisture; The air compressor 3 of dried air in connecting pipeline to blimp; Air compressor 3 adopts no oily piston compressor, is compressed to certain pressure to air pressurized, separates so that carry out oxygen nitrogen.In the air compression process, air themperature can raise, and raises to the influence of molecular sieve adsorption separating effect in order to reduce air themperature, and compressed air carries out radiating and cooling through radiator 4.Radiator 4 adopts aluminum alloy materials to make, and utilizes the aluminium alloy good heat-conducting, quickens heat radiation through increasing with the contact area of air, and radiator 4 is positioned at the outside of air compressor blimp.Compressed air through cooling gets into adsorption tower 7, in adsorption tower 7, carries out nitrogen adsorption and desorb, and adsorption tower 7 is the core component of omnibus control system, can adopt the design of Double-Tower Structure or multi-tower structure.The adsorption process of in adsorption tower 7, carrying out will experience absorption, go out processes such as oxygen is all pressed, desorb denitrogen, blowback; The conversion of gas circuit is to realize through integrated two-position five-way valve 5 in this process; Two-position five-way valve 5 integrates with adsorption tower 7, is positioned at adsorption tower 7 tops.The oxygen that air carries out producing after oxygen nitrogen separates in adsorption tower 7 gets into oxygen containers 9 through check valve 8 controls, and oxygen container 9 also integrates with adsorption tower 7, is positioned at the bottom of adsorption tower 7.The nitrogen of adsorption tower 7 depressurization desorptions is discharged through the denitrogen mouth, in the nitrogen discharge process, has disposed denitrogen silencer 6 in order to reduce noise in the lower end of denitrogen mouth.Because the oxygen pressure that adsorption tower produces is higher, in order to keep the stability of oxygen uptake and pressure oxygen oxygen supply, disposed pressure regulator valve 10 simultaneously in the outlet side of oxygen container 9.
For carrying out running status and monitor in real time to neutralizing the oxygen all-in-one, in the backend arrangement of pressure regulator valve 10 oxygen concentration sensor 11 and oxygen flow sensor 12, sensor all is fixed on the air compressor blimp.Oxygen is split into two flow directions through triple valve 14, and one the tunnel supplies direct oxygen uptake to use, and the bottle use is filled in the pressurization of one tunnel voltage supply oxygen unit, and two-way can use separately, also can open simultaneously.The oxygen that supplies to breathe usefulness can carry out Flow-rate adjustment through oxygen uptake flow control valve 15, and oxygen uptake flow control valve 15 is arranged on the panel.Flowmeter 13 can carry out flow monitoring and show in real time the oxygen that produces the generation of oxygen unit with oxygen flow sensor 12.Because the oxygen of system oxygen unit preparation has passed through dried in early stage, handle so before smoking, will carry out humidifying through humidification bottle 16.Flowmeter 13 is installed on the front panel with humidification bottle 16.
Need oxygen that pressurization fills bottle get into press the oxygen unit before, to press oxygen flow regulate through 17 pairs in overvoltage oxygen flow control valve earlier, to guarantee directly to smoke the supply of oxygen.Since the periodic air inlet of oxygen compression unit meeting cause oxygen pressure than great fluctuation process, therefore, before oxygen compression, be equipped with oxygen compression unit air inlet surge tank 18.Oxygen after surge tank 18 bufferings gets into three grades of oxygen compressors 19; Three grades of oxygen compressors 19 are the cores of pressing the oxygen unit; Adopting three grades, not have oil piston type compressed, through three grades of compressions after, exports oxygen pressure and can reach more than the 13MPa, between three grades of oxygen compressors 19 and the check valve 21 pressure sensor 20 is set; Through pressing the oxygen outlet to be connected with oxygen cylinder 22, directly carry out oxygenation with check valve 21.Three grades of oxygen compressor 19 installation sites are parallel with system oxygen unit, are provided with blimp in the outside of three grades of oxygen compressors 19, to reduce system noise.When oxygenation pressure reached setting value in the oxygen cylinder, the oxygenation process can stop automatically.All control systems are installed in the control cabinet 23.
Embodiment 1: oxygen uptake and pressure oxygen is running status simultaneously.Each unit connection state of check system, energized selects the system oxygen of automatic control system to press the oxygen functional mode.At first startup system oxygen unit, the oxygen that system oxygen unit produces is divided into two-way through triple valve, and one the tunnel supplies direct oxygen uptake usefulness, and one tunnel entering pressure oxygen unit pressurizes and fills bottle.Regulate and produce oxygen flow and oxygen uptake flow, the oxygen unit is pressed in startup then, smokes unnecessary oxygen and gets into pressure oxygen unit automatically, and oxygen uptake this moment is carried out with pressure oxygen simultaneously.Controlling display system can show system oxygen in real time and press important technological parameters such as oxygen operation duty and oxygen flow, oxygen concentration, pressure oxygen pressure and pressure oxygen flow.If oxygen cylinder oxygenation pressure reaches setting value, system's acousto-optic indication press the oxygen unit out of service automatically, and system oxygen unit still continues operation, does not influence the supply that directly smokes oxygen; If oxygen cylinder oxygenation pressure do not reach setting value, because the oxygen uptake flow increases or other reasons can not guarantee to press the oxygen supply time, but also manual-lock is pressed the oxygen unit; If break down in the running, system is out of service automatically.Oxygen uptake and pressure oxygen is the important technological parameters of runtime system simultaneously: the product oxygen flow is 6-10L/min, and oxygen concentration is 90-93%, and the pressure oxygen flow is 2-5L/min, presses oxygen pressure 0-13MPa.
Embodiment 2: press the oxygen running status.Each unit connection state of check system, energized selects the system oxygen of automatic control system to press the oxygen functional mode; Directly start and press the oxygen unit; System oxygen unit and pressure oxygen unit start simultaneously, and the oxygen unit is pressed in all automatic entering of the oxygen that system oxygen unit produces, and are pressure oxygen running status this moment.Controlling display system can show system oxygen in real time and press important technological parameters such as oxygen operation duty and oxygen flow, oxygen concentration, pressure oxygen pressure and pressure oxygen flow.If oxygen cylinder oxygenation pressure reaches setting value, system's acousto-optic indication presses oxygen and system oxygen unit all out of service automatically; Pressure does not reach setting value if oxygen cylinder is pressed oxygen, but also manual-lock whole system; If break down in the running, system is out of service automatically.The important technological parameters of system when pressing the oxygen running status: the product oxygen flow is 2-5L/min, and oxygen concentration is 90-95%, and the pressure oxygen flow is 2-5L/min, presses oxygen pressure 0-13MPa.
Embodiment 3: produce the oxygen running status.Each unit connection state of check system, energized, the oxygen separating function pattern of selection automatic control system directly starts system oxygen unit, and press the oxygen unit not move this moment, and the oxygen that produces the generation of oxygen unit all is used for directly smoking, and is to produce the oxygen running status.But important technological parameters such as control display system real-time display system duty and oxygen flow, oxygen concentration, pressure oxygen pressure and pressure oxygen flow.When not needing oxygen uptake, the manual-lock whole system gets final product.If break down in the running, system is out of service automatically.The important technological parameters of system during the oxygen uptake running status: the product oxygen flow is 3-10L/min, and oxygen concentration is 90-95%.
Claims (5)
1. a small intelligentization is neutralized the oxygen all-in-one, comprises housing, it is characterized in that, system oxygen unit, pressure oxygen unit and the oxygen controlled respectively by the control system are set in the housing; Said control system's employing single-chip microcomputer or programmable controller;
Said system oxygen unit comprises air cleaner, air dryer, air compressor, radiator, adsorption tower and the oxygen container that is connected successively by pipeline; The two-position five-way valve and the adsorption tower that are positioned at the adsorption tower top integrate; The denitrogen silencer is installed in the denitrogen mouth lower end of adsorption tower; Pressure regulator valve is installed in the outlet side of oxygen container, and the back segment pipeline of pressure regulator valve is installed oxygen concentration sensor and oxygen flow sensor;
Said oxygen is made up of oxygen oxygen uptake flow control valve and humidification bottle that pipeline connects successively;
Said pressure oxygen unit comprises pressure oxygen flow control valve, surge tank, three grades of oxygen compressors, check valve and the oxygen cylinders that connected successively by pipeline, between three grades of oxygen compressors and the check valve pressure sensor is set;
The back segment pipeline of oxygen flow sensor is through triple valve difference oxygen oxygen uptake flow control valve and pressure oxygen flow control valve.
2. small intelligentization according to claim 1 is neutralized the oxygen all-in-one; It is characterized in that; Said air compressor blimp both sides are provided with air cleaner, and the filter lower end is provided with air dryer, and radiator is positioned at the front side of air compressor blimp; Oxygen container is positioned at the right side of radiator, and adsorption tower is positioned at the right side of air compressor.
3. small intelligentization according to claim 1 is neutralized the oxygen all-in-one, it is characterized in that, said air compressor adopts no oily piston compressor.
4. small intelligentization according to claim 1 is neutralized the oxygen all-in-one, it is characterized in that, said adsorption tower adopts Double-Tower Structure or multi-tower structure.
5. small intelligentization according to claim 1 is neutralized the oxygen all-in-one, it is characterized in that, said three grades of oxygen compressors outside is provided with blimp, and three grades of oxygen compressors adopt three grades not have oily piston type compressed.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011205243054U CN202387352U (en) | 2011-12-15 | 2011-12-15 | Small intelligent oxygen generating and pressing integrated machine |
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| CN2011205243054U CN202387352U (en) | 2011-12-15 | 2011-12-15 | Small intelligent oxygen generating and pressing integrated machine |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102515111A (en) * | 2011-12-15 | 2012-06-27 | 中国人民解放军军事医学科学院卫生装备研究所 | Small intelligentized machine integrating with oxygen production and oxygen compression |
| CN103112829A (en) * | 2013-03-01 | 2013-05-22 | 丹阳市巨贸康健器材有限公司 | Energy-saving control system of molecular sieve oxygenerator |
| CN103638584A (en) * | 2013-11-22 | 2014-03-19 | 中国人民解放军军事医学科学院卫生装备研究所 | Oxygen producing truck |
| CN106044717A (en) * | 2016-05-30 | 2016-10-26 | 杭州盛大高科技机电有限公司 | Oxygen generator with parallel low-pressure oxygen generation modules |
| CN106044718A (en) * | 2016-08-05 | 2016-10-26 | 广州鼎云专用设备生产有限责任公司 | Intelligent integrated medical center oxygen production system |
| CN109847534A (en) * | 2019-03-29 | 2019-06-07 | 北京航空航天大学 | A kind of pure air compression set |
| CN111239337A (en) * | 2020-01-17 | 2020-06-05 | 安徽建筑大学 | Oxygen-enriched air oxygen concentration detection structure for airborne separator |
| CN111821808B (en) * | 2020-07-17 | 2021-02-05 | 盖斯伊科技(苏州)有限公司 | Modular oxygen separation equipment |
| CN112832562A (en) * | 2021-03-03 | 2021-05-25 | 中国人民解放军空军军医大学 | High-temperature oxygen production and supply square cabin |
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2011
- 2011-12-15 CN CN2011205243054U patent/CN202387352U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102515111A (en) * | 2011-12-15 | 2012-06-27 | 中国人民解放军军事医学科学院卫生装备研究所 | Small intelligentized machine integrating with oxygen production and oxygen compression |
| CN103112829A (en) * | 2013-03-01 | 2013-05-22 | 丹阳市巨贸康健器材有限公司 | Energy-saving control system of molecular sieve oxygenerator |
| CN103112829B (en) * | 2013-03-01 | 2015-06-17 | 丹阳市巨贸康健器材有限公司 | Energy-saving control system of molecular sieve oxygenerator |
| CN103638584A (en) * | 2013-11-22 | 2014-03-19 | 中国人民解放军军事医学科学院卫生装备研究所 | Oxygen producing truck |
| CN103638584B (en) * | 2013-11-22 | 2015-12-30 | 中国人民解放军军事医学科学院卫生装备研究所 | Oxygen producing truck |
| CN106044717A (en) * | 2016-05-30 | 2016-10-26 | 杭州盛大高科技机电有限公司 | Oxygen generator with parallel low-pressure oxygen generation modules |
| CN106044718A (en) * | 2016-08-05 | 2016-10-26 | 广州鼎云专用设备生产有限责任公司 | Intelligent integrated medical center oxygen production system |
| CN109847534A (en) * | 2019-03-29 | 2019-06-07 | 北京航空航天大学 | A kind of pure air compression set |
| CN111239337A (en) * | 2020-01-17 | 2020-06-05 | 安徽建筑大学 | Oxygen-enriched air oxygen concentration detection structure for airborne separator |
| CN111239337B (en) * | 2020-01-17 | 2020-11-13 | 安徽建筑大学 | Oxygen-enriched air oxygen concentration detection structure for airborne separator |
| CN111821808B (en) * | 2020-07-17 | 2021-02-05 | 盖斯伊科技(苏州)有限公司 | Modular oxygen separation equipment |
| CN112832562A (en) * | 2021-03-03 | 2021-05-25 | 中国人民解放军空军军医大学 | High-temperature oxygen production and supply square cabin |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120822 Termination date: 20141215 |
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| EXPY | Termination of patent right or utility model |