CN1385232A - Radial air inlet type turbulence intelligent adjustable adsorption type oxygen enriching device - Google Patents
Radial air inlet type turbulence intelligent adjustable adsorption type oxygen enriching device Download PDFInfo
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- CN1385232A CN1385232A CN 02114463 CN02114463A CN1385232A CN 1385232 A CN1385232 A CN 1385232A CN 02114463 CN02114463 CN 02114463 CN 02114463 A CN02114463 A CN 02114463A CN 1385232 A CN1385232 A CN 1385232A
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Abstract
The present invention adopts radial air admission turbulence-like structure, mixed adsorbent technology and intelligent special-purpose computer programmable controller for dynamic analog pressure swing adsorption circulation process, and designs the radial air admission turbulence-like adsorption tower structure form according to the requirements, and can improve the non-uniform air flow whose flow rate distribution is parabolic and make it into uniform air flow whose flow rate distribution is log curve from so as to make air flow distribution more reasonable and more stable. Said computer programmable controller can dynamically and intelligently regulate oxygen purity, and can make its purity be greater than or equal to 25%. Said invented equipment can be operated at normal temp. and low-pressure, can be moved, after it is started for 10 min.
Description
One, technical field
The invention belongs to the operation technique field, further relate to the multipurpose small oxygen-enriching device of the adjustable pressure change adsorption type air separation of a kind of radial air inlet class turbulence intelligent.
Two, background technology
Used oxygen-enriching device has following deficiency at present:
1. present hospital, household oxygen is low temperature process production, adopts gas cylinder to transport, or the supply of liquid gas tank, uses uneconomically, inconvenient, dangerous, especially can't carry out oxygen supply to hospital from far-off regions, brings a lot of difficulties;
2. existing oxygen-enriching device sorption cycle process is a fixed relationship;
3. adsorbent is the single particle shape, and adsorption capacity is low;
4. existing oxygen-enriching device adopts axial admission, and the running instability can't satisfy product requirement;
5. the breed requirement that existing aquaculture adopts air pump make-up gas oxygenation (purity is 21%) not reach the oxygen rich gas high-efficiency high-quality;
6. the air-flow distributor structure in the original oxygen-enriching device adsorption column is single, and air-flow is that parabolic distribution is inhomogeneous, behind the long-play, can't guarantee the product purity requirement.
Three, summary of the invention
The objective of the invention is to overcome the shortcoming of above-mentioned prior art, a kind of constant product quality, reliable operation are provided, simple in structure, cost is low, the radial air inlet type turbulence intelligent adjustable adsorption type oxygen-enriching device that energy consumption is little.
The technical solution used in the present invention is in order to achieve the above object: it comprises screw compressor group and oxygen tank, the exhaust outlet of screw compressor group connects the air inlet of separator through pipeline, the port of export of separator connects the arrival end of gas tank through pipeline, the port of export of gas tank is taken over the arrival end of filter through pipeline, the port of export of filter connects the arrival end of cooling driers through pipeline, the port of export of cooling driers connects the arrival end of high efficiency particulate air filter through pipeline, the port of export of high efficiency particulate air filter connects the arrival end of pressure regulator valve through pipeline, the port of export of pressure regulator valve connects control valve through pipeline, control valve is connected on the centre of two magnetic valves through pipeline, the exhaust end of two magnetic valves links to each other with the air inlet of two adsorption column bottoms respectively through pipeline, and link to each other with other inlet end of two magnetic valves respectively through pipeline, the gas outlet on the top of two adsorption columns connects the air inlet of two check valves respectively through pipeline, and link to each other with the exhaust outlet of two magnetic valves, the air inlet that connects pressure regulator valve in the middle of the exhaust outlet of two check valves through pipeline, the check valve inlet end links to each other with the port of export of pressure regulator valve through pipeline, connect control valve through pipeline in the middle of the air inlet of two magnetic valves, control valve connects the entrance point of another check valve through pipeline, the air inlet of oxygen tank connects the port of export of check valve through pipeline, the port of export of oxygen tank connects oxygen purity analyzer and flowmeter through pipeline, the port of export of flowmeter is taken over filter, be characterized in, adsorption column air inlet and gas outlet be radial air inlet mouth and gas outlet radially, the two ends up and down of adsorption column are symmetrically arranged with through last, lower flange be fixed in the adsorption column on, the conical air-flow distributor of following aperture class turbulent flow, upper flange plate is provided with the adsorbent inlet that is used to fill adsorbent.
Another characteristics of the present invention are: the adsorbent of filling in the adsorption column is a 5A mixed type adsorbent of molecular sieve, its particle diameter mixing ratio dp/Dp=0.2-0.5; The magnetic valve group is the 2/2-way valve, and wherein two pairs of magnetic valves are connected on two adsorption column bottom radial air inlet mouths, and another is connected on the radially gas outlet at two adsorption column tops to magnetic valve; Two check valves are connected in series on the radially gas outlet of two adsorption columns; The magnetic valve group links to each other with six binding posts of computer Programmable Logic Controller through lead respectively; Be connected with muffler through pipeline between two magnetic valves of the bottom of two adsorption columns.
The present invention has not only disclosed in essence in the laminar condition downstream from theory and has been distributed as the parabola inhomogeneities is brought fluctuation of service to oxygen-enriching device basic reason, and designed the radial air inlet mode that can be used for omnibus control system, make the air-flow that enters adsorption column can produce a kind of rotating flow effect, and up and down adopt the air-flow distributor of symmetrical aperture class turbulent flow conical structure in two ends at adsorption column, make the air-flow velocity distributional class like being the even distribution character of logarithmic curve shape, it is about 1/3 that the loading of adsorbent is reduced, and totle drilling cost reduces 30%--50%.Further verified the reasonability of this conclusion and device by experimental study for many years and device actual motion, from having overcome the difficult problem of transformation absorption oxygen-enriching device unstable product quality in service in the past in essence.By the computer Programmable Logic Controller omnibus control system is operated in the zone of absorption mass transfer the best all the time, further guaranteed the high-quality of product.Have fast at needs and carry out the function that oxygen uptake, oxygenation, anaerobic environment provide oxygen, be particularly useful for hospital middle-size and small-size and from far-off regions oxygen supply and concentrated oxygen supply, the history of the no medical oxygen in remote districts that is through with.
Adopt the present invention that the output of oxygen and purity are regulated at any time; As medical oxygen uptake purity 〉=90%, air-conditioned room delivery of supplemental oxygen purity 〉=50%, the requirement of aquaculture oxygen purity 〉=25%.
Four, description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the structural representation of adsorption column 9 of the present invention.
Five, the specific embodiment
Referring to Fig. 1, the present invention includes screw compressor group 1, separator 2, gas tank 3, filter 4, cooling driers 5, high efficiency particulate air filter 6,7,8, two adsorption columns 9 of pressure regulator valve, magnetic valve group 17, check valve group 18, computer programmable controller 19, control valve group 16, pressure regulator valve 11, oxygen tank 12, purity analysis instrument 13, flowmeter 14, filter 15 connects and composes successively.The exhaust outlet of screw compressor unit 1 connects separator 2 air inlets through pipeline, the arrival end of gas tank 3 connects separator 2 ports of export through pipeline, filter 4 arrival ends connect gas tank 3 ports of export through pipeline, the arrival end of cooling driers 5 is taken over filter 4 ports of export through pipeline, high efficiency particulate air filter 6,7 arrival end connects cooling driers 5 ports of export through pipeline, high efficiency particulate air filter 6,7 ports of export connect pressure regulator valve 8 arrival ends through pipeline, two adsorption column 9 bottom radial air inlet mouths 22 meet two magnetic valve 17-1 respectively through pipeline, the exhaust end of 17-2 also meets in addition two magnetic valve 17-3 respectively through pipeline, the inlet end of 17-4, two adsorption column 9 tops radially exhaust outlet 23 connect check valve 18-1 respectively through pipeline, the air inlet of 18-2 and two magnetic valve 17-5, the 17-6 exhaust outlet, each magnetic valve connects six binding posts of computer Programmable Logic Controller 19 respectively, check valve 18-1, connect a pressure regulator valve 11 through pipeline in the middle of the exhaust outlet of 18-2, the entrance point of check valve 18-3 connects pressure regulator valve 11 through pipeline, two magnetic valve 17-5, connect a control valve 16-2 and connect check valve 18-3 air inlet through pipeline in the middle of the air inlet of 17-6 through pipeline, the check valve 18-3 port of export connects oxygen tank 12 arrival ends through pipeline, flowmeter 14 air inlets connect oxygen tank 12 ports of export through pipeline, filter 15 arrival ends are through pipeline connection traffic meter 14 gas outlets, oxygen purity analyzer 13 air inlets are connected the centre of flowmeter 14 and oxygen tank 12 through pipeline, and product oxygen is discharged through filter 15.
Referring to Fig. 2, the bottom of adsorption column 9 of the present invention and top are respectively arranged with radial air inlet mouth 22 and gas outlet 23 radially, the two ends up and down of adsorption column 9 are symmetrically arranged with through ring flange 24,25 and are fixed on the conical air-flow distributor 20,21 of aperture class turbulent flow on the adsorption column 9, ring flange 24 is provided with the adsorbent inlet 26 of filling adsorbent, adsorbent is a 5A mixed type adsorbent of molecular sieve, its particle diameter mixing ratio dp/Dp=0.2～0.5.
Power is for after the screw compressor group 1 of 〉=2KW is compressed to 0.5～1.1Mpa with inhaled air, send into separator 2 through pipeline and carry out water-oil separating, air-flow after the separation enters gas tank 3 stabilizing gas flows, and remove moisture content and impurity behind the process filter 4, entering cooling driers 5 gas temperatures drops to about 2 ℃, further remove moisture content, gas is through filter 6,7 reach gas breathes standard, regulate through pressure regulator valve 8, with stable gas pressure at 0.3～0.55Mpa, gas enters the magnetic valve group by computer Programmable Logic Controller 19 control circulation adsorption processes, and the sorption cycle time is 〉=25 seconds (single-column).The magnetic valve group is 6 2/2-way valves, air inlet is four magnetic valve 17-1 in parallel, 17-2,17-3,17-4, be arranged above and below, wherein following two magnetic valve 17-1,17-2 is the desorb air bleeding valve, by muffler 10 combustion gas, air-flow enters two cylindrical adsorption columns 9 by radial air inlet mouth 22 respectively, through pyramid type air-flow distributor 20,21 evenly distribute, fill mixed type 5A adsorbent of molecular sieve in the post, particle compares dp/Dp=0.2-0.5, the transformation absorption that air circulates, the normal pressure desorb, desorption gas is by magnetic valve 17-1, enter atmosphere after the 17-2 noise reduction.The radially flushing of two magnetic valve 17-5 of exhaust outlet 22, the cyclic process of 17-6 dynamic adjustments on two adsorption column 9 tops, equal amounts of calming the anger, product oxygen enters oxygen tank 12 after check valve 18-1,18-2 pressure regulation, oxygen purity 〉=25% can be provided, and pressure is 0.15～0.4Mpa, and tolerance is 〉=1Nm
3The oxygen rich gas product of the different purposes of/h.
The present invention adopts the computer Programmable Logic Controller, can carry out the dynamic analog adjusting of sorption cycle process according to product requirement, can work out circulation absorption control program at the scene, make and adsorb the adsorption process that remains in the best steady flow zone, the design of the conical air-flow distributor of aperture class turbulent flow of symmetry, the similar logarithmic curve of air-flow is evenly flowed, adopt mixed type adsorbent technology, guarantee the quality of required oxygen, realize oxygen output 〉=1Nm3/h, purity 〉=30%, and the oxygen of hospital's oxygen purity 〉=90%.The normal temperature low pressure operation, this device is removable, can install concentratedly, noise is low, and energy consumption is little, and is pollution-free, be useful for small-middle hospital, especially medical institutions from far-off regions reach luxurious hotel for using oxygen, and the air-conditioned room of meeting room replenishes oxygen enrichment, and high source anoxic environment, aquaculture improves the efficient aquaculture of water oxygen gas content, sewage disposal, environment such as combustion supporting technology.
Claims (6)
1, a kind of radial air inlet type turbulence intelligent adjustable adsorption type oxygen-enriching device, comprise screw compressor group 1 and oxygen tank 12, the exhaust outlet of screw compressor group 1 connects the air inlet of separator 2 through pipeline, the port of export of separator 2 connects the arrival end of gas tank 3 through pipeline, the port of export of gas tank 3 is taken over the arrival end of filter 4 through pipeline, the port of export of filter 4 connects the arrival end of cooling driers 5 through pipeline, the port of export of cooling driers 5 connects high efficiency particulate air filter 6 through pipeline, 7 arrival end, high efficiency particulate air filter 6,7 ports of export connect the arrival end of pressure regulator valve 8 through pipeline, the port of export of pressure regulator valve 8 meets control valve 16-1 through pipeline, control valve 16-1 is connected on two magnetic valve 17-3 through pipeline, the centre of 17-4, magnetic valve 17-1, the exhaust end of 17-2 links to each other with the air inlet 22 of two adsorption column 9 bottoms respectively through pipeline, and through pipeline respectively with other two magnetic valve 17-3, the inlet end of 17-4 links to each other, the gas outlet 23 on the top of two adsorption columns 9 connects two check valve 18-1 respectively through pipeline, the air inlet of 18-2, and with magnetic valve 17-5, the exhaust outlet of 17-6 links to each other, two check valve 18-1, the air inlet that connects pressure regulator valve 11 in the middle of the exhaust outlet of 18-2 through pipeline, check valve 18-3 entrance point links to each other through the port of export of pipeline with pressure regulator valve 11, two magnetic valve 17-5, connect control valve 16-2 through pipeline in the middle of the air inlet of 17-6, control valve 16-2 connects the entrance point of check valve 18-3 through pipeline, the air inlet of oxygen tank 12 connects the port of export of check valve 18-3 through pipeline, the port of export of oxygen tank 12 connects oxygen purity analyzer 13 and flowmeter 14 through pipeline, the port of export of flowmeter 14 is taken over filter 15, it is characterized in that: said adsorption column 9 air inlet 22 and gas outlet 23 be radial air inlet mouth and gas outlet radially, the two ends up and down of adsorption column 9 are symmetrically arranged with through ring flange 24,25 are fixed on the conical air-flow distributor 20 of aperture class turbulent flow in the adsorption column 9,21, ring flange 24 is provided with the adsorbent inlet 26 that is used to fill adsorbent.
2, radial air inlet type turbulence intelligent adjustable adsorption type oxygen-enriching device according to claim 1 is characterized in that: the adsorbent of filling in the said adsorption column 9 is a 5A mixed type adsorbent of molecular sieve, its particle diameter mixing ratio dp/Dp=0.2-0.5.
3, radial air inlet type turbulence intelligent adjustable adsorption type oxygen-enriching device according to claim 1, it is characterized in that: said magnetic valve 17-1,17-2,17-3,17-4,17-5,17-6 are the 2/2-way valve, magnetic valve 17-1,17-2,17-3,17-4 are connected on two adsorption columns, the 9 bottom radial air inlet mouths 22, and 17-5,17-6 are connected on the radially gas outlet 23 at two adsorption column 9 tops.
4, radial air inlet type turbulence intelligent adjustable adsorption type oxygen-enriching device according to claim 1 is characterized in that: said check valve 18-1,18-2 are connected in series on the radially gas outlet 23 of two adsorption columns 9.
5, radial air inlet type turbulence intelligent adjustable adsorption type oxygen-enriching device according to claim 1 is characterized in that: said magnetic valve 17-1,17-2,17-3,17-4,17-5,17-6 link to each other with six binding posts of computer Programmable Logic Controller 19 through lead respectively.
6, radial air inlet type turbulence intelligent adjustable adsorption type oxygen-enriching device according to claim 1 is characterized in that: be connected with muffler 10 through pipeline between the bottom magnetic valve 17-1 of said two adsorption columns 9 and the 17-2.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02114463 CN1385232A (en) | 2002-03-08 | 2002-03-08 | Radial air inlet type turbulence intelligent adjustable adsorption type oxygen enriching device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02114463 CN1385232A (en) | 2002-03-08 | 2002-03-08 | Radial air inlet type turbulence intelligent adjustable adsorption type oxygen enriching device |
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| CN1385232A true CN1385232A (en) | 2002-12-18 |
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| CN 02114463 Pending CN1385232A (en) | 2002-03-08 | 2002-03-08 | Radial air inlet type turbulence intelligent adjustable adsorption type oxygen enriching device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100402954C (en) * | 2006-11-14 | 2008-07-16 | 杭州杭氧股份有限公司 | Airflow rectangular distribution device in horizontal adsorber |
| CN104307082A (en) * | 2014-11-17 | 2015-01-28 | 北京中成航宇空分设备有限公司 | Uninterrupted oxygen system |
| CN109647131A (en) * | 2019-02-27 | 2019-04-19 | 大连大学 | A kind of device of pulse jet pressure swing adsorption purge gas |
-
2002
- 2002-03-08 CN CN 02114463 patent/CN1385232A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100402954C (en) * | 2006-11-14 | 2008-07-16 | 杭州杭氧股份有限公司 | Airflow rectangular distribution device in horizontal adsorber |
| CN104307082A (en) * | 2014-11-17 | 2015-01-28 | 北京中成航宇空分设备有限公司 | Uninterrupted oxygen system |
| CN109647131A (en) * | 2019-02-27 | 2019-04-19 | 大连大学 | A kind of device of pulse jet pressure swing adsorption purge gas |
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