CN201850137U - Molecular sieve pressure-swing-adsorption oxygen generator with double oxygen storage tanks - Google Patents

Molecular sieve pressure-swing-adsorption oxygen generator with double oxygen storage tanks Download PDF

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Publication number
CN201850137U
CN201850137U CN2010202989449U CN201020298944U CN201850137U CN 201850137 U CN201850137 U CN 201850137U CN 2010202989449 U CN2010202989449 U CN 2010202989449U CN 201020298944 U CN201020298944 U CN 201020298944U CN 201850137 U CN201850137 U CN 201850137U
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valve
oxygen
molecular sieve
check valve
solenoid operated
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CN2010202989449U
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马林
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周纪昌
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Abstract

A molecular sieve pressure-swing-adsorption oxygen generator with double oxygen storage tanks comprises an air compressor which is connected with a first check valve; the first check valve is connected with a first solenoid directional valve and a second solenoid directional valve respectively; the first solenoid directional valve and the second solenoid directional valve are respectively connected with a first molecular sieve absorber and a second molecular sieve absorber; the first molecular sieve absorber is connected with a first throttling valve and a second throttling valve respectively; the first throttling valve is connected with a second check valve; the second check valve is connected with a fourth throttling valve; the second molecular sieve absorber is connected with a third throttling valve and a fourth throttling valve respectively; the third throttling valve is connected with a fifth check valve; the fifth check valve is connected with the second throttling valve; the first solenoid directional valve and the second solenoid directional valve are connected with each other and are connected with an exhaust port; the second check valve is connected with a first oxygen storage tank through a third check valve; the second throttling valve is connected with a second oxygen storage tank through a fourth check valve; the fifth check valve and the fourth check valve are connected with the second oxygen storage tank; the fourth throttling valve is connected with the first oxygen storage tank through the third check valve; and the first oxygen storage tank and the second oxygen storage tank are connected with an oxygen outlet through a third solenoid directional valve.

Description

Two oxygen holder molecular sieve pressure swing adsorption oxygens
Technical field
The utility model relates to a kind of pair of oxygen holder molecular sieve pressure swing adsorption oxygen, belongs to the medical health apparatus field.
Background technology
The kind of existing oxygen machine is many, wherein a kind of is the molecular sieve pressure swing adsorption oxygen, its system oxygen principle is to be raw material with the air, with the zeolite molecular sieve is sorbent material, the amount of absorption nitrogen increases when utilizing the pressurization of zeolite powder molecular sieve, the characteristic that the amount of absorption nitrogen reduces during decompression forms the Rapid Cycle process of pressurization absorption, decompression desorb, airborne oxygen, oxide gas are separated and produces oxygen.Adsorbed gas and release gas are two antipodal processes, can circulate and carry out, and produce the oxygen (oxygen level is greater than 90%) of high density continuously.The primary structure of this oxygen machine comprises: air filter, air compressor, check valve, reversing valve, two molecular sieve adsorbers, throttling valve, oxygen holder, throttling valve etc., air enters into total system by the suction port of compressor, effect by compressor makes the pressure of air compare raising 2-3 doubly, one of them molecular sieve adsorber of compressed air admission, here, airborne nitrogen is adsorbed, the flow direction of airflow is guided by solenoid operated directional valve, the oxygen of concentrating flows out molecular sieve adsorber, through a pressure-reduction outlet, here, oxygen is divided into two portions, and a part enters oxygen holder and can directly use by variable valve, and another part then turns to another pressure-reduction outlet and enters another molecular sieve adsorber and cleans, this adsorber links to each other with atmosphere by solenoid operated directional valve, can discharge other gas.Above-mentioned working cycle every 5-10 second will inverted running once, so each molecular sieve adsorber will take turns air-breathing and exhaust.But the shortcoming of its existence is: this structure generally needs bigger volume, could guarantee certain oxygen flow, and internal structure is looser, is connected with tracheae between each components and parts, moves extremely inconvenient.Particularly have only an oxygen holder, the air-flow instability that its air-flow periodical change is brought, equipment power dissipation is big, and it is low to produce oxygen efficiency.
Summary of the invention
The purpose of this utility model is in order to overcome the shortcoming of prior art, a kind of machine volume that reduces to be provided, reduce equipment power dissipation and use cost, improving the product oxygen efficiency, two oxygen holder molecular sieve pressure swing adsorption oxygens of air feed steady air current.
The technical scheme of the two oxygen holder molecular sieve pressure swing adsorption oxygens of the utility model is: comprise air compressor, air compressor connects first check valve, first check valve connects first solenoid operated directional valve and second solenoid operated directional valve respectively, first solenoid operated directional valve connects first molecular sieve adsorber, second solenoid operated directional valve connects second molecular sieve adsorber, first molecular sieve adsorber connects the first throttle valve and second throttling valve respectively, the first throttle valve connects second check valve, and second check valve connects the 4th throttling valve; Second molecular sieve adsorber connects the 3rd throttling valve and the 4th throttling valve respectively, and the 3rd throttling valve connects the 5th check valve, and the 5th check valve connects second throttling valve; Described first solenoid operated directional valve and second solenoid operated directional valve are interconnection, and connect venting port, it is characterized in that described second check valve connects first oxygen holder through the 3rd check valve, and second throttling valve connects second oxygen holder through the 4th check valve; The 5th check valve is connected second oxygen holder with the 4th check valve, and the 4th throttling valve connects first oxygen holder through the 3rd check valve; Described first oxygen holder is connected oxygen exhaust with second oxygen holder through the 3rd solenoid operated directional valve.
Of the present utility model pair of oxygen holder molecular sieve pressure swing adsorption oxygen, the production process of oxygen is: air is delivered to first solenoid operated directional valve through air compressor and flows to first molecular sieve adsorber and pressurization, airborne nitrogen is by molecular sieve adsorption, the oxygen of high density flows out from first molecular sieve adsorber, and part of oxygen enters second oxygen holder through second throttling and the 4th check valve; Another part oxygen is further divided into two-way behind the first throttle valve and second check valve, one the tunnel enters second molecular sieve adsorber through the 4th throttling valve cleans, second molecular sieve adsorption is communicated with venting port and carries out exhaust, the second molecular sieve adsorber internal pressure descends and carries out desorb, and nitrogen is discharged from venting port through second solenoid operated directional valve; Another road oxygen backs down the 3rd check valve, enters first oxygen holder.The oxygen that enters first oxygen holder and second oxygen holder is connected the oxygen exhaust oxygen supply through the 3rd solenoid operated directional valve.This working cycle periodic reverse operation at set intervals keeps a molecular sieve adsorber pressurization, and another molecular sieve adsorber desorb goes round and begins again.This programme adopts two oxygen holders, and the high-concentration oxygen that is filled in first oxygen holder and second oxygen holder makes the oxygen flow and the pressure-stabilisation of output through the 3rd solenoid operated directional valve control oxygen supply in turn, improves the oxygen rate of producing.Compare with existing oxygen machine, produce the oxygen rate and improve, satisfying the volume that dwindles molecular sieve adsorber under the prerequisite of equal flow, can reduce the discharge capacity of air compressor simultaneously, make the air compressor miniaturization.
Of the present utility model pair of oxygen holder molecular sieve pressure swing adsorption oxygen, described first solenoid operated directional valve and second solenoid operated directional valve are made one becomes the five-way solenoid operated directional valve, first check valve connects the five-way solenoid operated directional valve, the five-way solenoid operated directional valve connects first molecular sieve adsorber and second molecular sieve adsorber and venting port respectively, and its effect is identical with second solenoid operated directional valve with first solenoid operated directional valve.Described the 5th check valve connects the 3rd check valve through adjustable throttling, is used for the pressure of balance first gas holder and second gas holder and does the air-flow compensation.Be equipped with air filter in the described air compressor, air filter at first filters air, makes that dust does not enter in the molecular sieve adsorber in the air, guarantees the oxygen supply cleaning.
Of the present utility model pair of oxygen holder molecular sieve pressure swing adsorption oxygen, its concrete its whole structure comprises air compressor, air compressor has left end cap and right end cap, first molecular sieve adsorber is installed on the left end cap, second molecular sieve adsorber is installed on the right end cap, first loam cake and second loam cake are arranged respectively on first molecular sieve adsorber and second molecular sieve adsorber, it is characterized in that all being equipped with in described left end cap and the right end cap first check valve, first contiguous block is installed between left end cap and the right end cap, first solenoid operated directional valve and second solenoid operated directional valve are installed in first contiguous block, second check valve is installed in described first loam cake, the first throttle valve and second throttling valve, the 5th check valve is installed in described second loam cake, the 3rd throttling valve and the 4th throttling valve, second contiguous block is installed between first loam cake and second loam cake, in second contiguous block adjustable throttling is installed, connect first oxygen holder and second oxygen holder under second contiguous block respectively, first oxygen holder and second oxygen holder have first oxygen holder lid and second oxygen holder lid respectively, in first oxygen holder lid the 3rd check valve is installed, in second oxygen holder lid the 4th check valve is installed, be connected the oxygen permanent seat under first oxygen holder and second oxygen holder, go out the 3rd solenoid operated directional valve and oxygen exhaust are installed in the oxygen permanent seat.The pipeline of this oxygen machine adopts hides design, all pipelines before the molecular sieve adsorber are incorporated on the air compressor and first contiguous block, molecular sieve adsorber to the pipeline between the oxygen holder, check valve, throttling valve is incorporated on the molecular sieve adsorber end cap and second contiguous block, make its whole structure compactness, to reach the purpose of reduced volume, conveniently moving, easy to use.
Description of drawings
Fig. 1 is the two oxygen holder molecular sieve pressure swing adsorption oxygen fundamental diagrams of the utility model;
Fig. 2 is that first solenoid operated directional valve of the present utility model and second solenoid operated directional valve are made one and become the five-way solenoid operated directional valve, and connects first molecular sieve adsorber and second molecular sieve adsorber and venting port fundamental diagram respectively;
Fig. 3 is the two oxygen holder molecular sieve pressure swing adsorption oxygen structural representations of the utility model;
Fig. 4 is the two oxygen holder molecular sieve pressure swing adsorption oxygen schematic perspective views of the utility model.
Embodiment
The utility model relates to a kind of pair of oxygen holder molecular sieve pressure swing adsorption oxygen, as Fig. 1-shown in Figure 4, comprise air compressor 19, air compressor 19 connects first check valve 1, first check valve 1 connects first solenoid operated directional valve 2 and second solenoid operated directional valve 18 respectively, first solenoid operated directional valve 2 connects first molecular sieve adsorber 3, second solenoid operated directional valve 18 connects second molecular sieve adsorber 4, first molecular sieve adsorber 3 connects the first throttle valve 5 and second throttling valve 6 respectively, first throttle valve 5 connects second check valve, 7, the second check valves 7 and connects the 4th throttling valve 10; Second molecular sieve adsorber 4 connects the 3rd throttling valve 8 respectively and the 4th throttling valve 10, the three throttling valve 8 connect the 5th check valve 9, the five check valves 9 connections second throttling valve 6; Described first solenoid operated directional valve 2 and second solenoid operated directional valve 18 are interconnection, and connection venting port 17, it is characterized in that described second check valve 7 is connected first oxygen holder, 15, the second throttling valve 6 and connects second oxygen holder 14 through the 4th check valve 12 with the 3rd check valve 13; The 5th check valve 9 is connected second oxygen holder, 14, the four throttling valve 10 and connects first oxygen holder 15 through the 3rd check valve 13 with the 4th check valve 12; Described first oxygen holder 15 is connected oxygen exhaust 21 with second oxygen holder 14 through the 3rd solenoid operated directional valve 16.The production process of oxygen is: air is delivered to first solenoid operated directional valve 2 through air compressor 19 and flows to first molecular sieve adsorber 3 and pressurization, airborne nitrogen is by molecular sieve adsorption, the oxygen of high density flows out from first molecular sieve adsorber 3, and part of oxygen enters second oxygen holder 14 through second throttling valve 6 and the 4th check valve 12; Another part oxygen is further divided into two-way behind the first throttle valve 5 and second check valve 7, one the tunnel enters second molecular sieve adsorber 4 through the 4th throttling valve 10 cleans, second molecular sieve adsorber 4 is communicated with venting port 17 and carries out exhaust, second molecular sieve adsorber, 4 internal pressures descend and carry out desorb, and nitrogen is discharged from venting port 17 through second solenoid operated directional valve 18; Another road oxygen backs down the 3rd check valve 13, enters first oxygen holder 15.The oxygen that enters first oxygen holder 15 and second oxygen holder 14 is connected the oxygen exhaust oxygen supply through the 3rd solenoid operated directional valve 16.This working cycle periodic reverse operation at set intervals keeps a molecular sieve adsorber pressurization, and another molecular sieve adsorber desorb goes round and begins again.This programme adopts two oxygen holders, and the high-concentration oxygen that is filled in first oxygen holder and second oxygen holder makes the oxygen flow and the pressure-stabilisation of output through the 16 control oxygen supplys in turn of the 3rd solenoid operated directional valve, improves the oxygen rate of producing.Compare with existing oxygen machine, produce the oxygen rate and improve, satisfying the volume that dwindles molecular sieve adsorber under the prerequisite of equal flow, can reduce the discharge capacity of air compressor simultaneously, make the air compressor miniaturization.Described first solenoid operated directional valve 2 and second solenoid operated directional valve 18 are made one becomes five-way solenoid operated directional valve 23, first check valve 1 can connect a five-way solenoid operated directional valve 23, five-way solenoid operated directional valve 23 connects first molecular sieve adsorber 3 and second molecular sieve adsorber 4 and venting port 17 respectively, and its effect is identical with second solenoid operated directional valve with first solenoid operated directional valve.Described the 5th check valve 9 connects the 3rd check valve 13 through adjustable throttling 11, is used for the pressure of balance first gas holder and second gas holder and does the air-flow compensation.Be equipped with air filter 20 in the described air compressor 19, air filter at first filters air, makes that dust does not enter in the molecular sieve adsorber in the air, guarantees the oxygen supply cleaning.
Of the present utility model pair of oxygen holder molecular sieve pressure swing adsorption oxygen, its concrete its whole structure comprises air compressor 19, air compressor 19 has left end cap 191 and right end cap 192, first molecular sieve adsorber 3 is installed on the left end cap 191, second molecular sieve adsorber 4 is installed on the right end cap 192, first loam cake 31 and second loam cake 41 are arranged respectively on first molecular sieve adsorber 3 and second molecular sieve adsorber 4, it is characterized in that all being equipped with in described left end cap 191 and the right end cap 192 first check valve 1, first contiguous block 01 is installed between left end cap 191 and the right end cap 192, first solenoid operated directional valve and second solenoid operated directional valve are installed in first contiguous block 01, second check valve is installed in described first loam cake 31, the first throttle valve and second throttling valve, the 5th check valve is installed in described second loam cake 41, the 3rd throttling valve and the 4th throttling valve, second contiguous block 02 is installed between first loam cake 31 and second loam cake 41, in second contiguous block adjustable throttling is installed, second contiguous block connects first oxygen holder 15 and second oxygen holder 14 for 02 time respectively, first oxygen holder 15 and second oxygen holder 14 have first oxygen holder lid, 151 and second oxygen holder lid 141 respectively, in first oxygen holder lid 151 the 3rd check valve is installed, in second oxygen holder lid 141 the 4th check valve is installed, first oxygen holder 15 is connected oxygen permanent seat 03 14 times with second oxygen holder, goes out the 3rd solenoid operated directional valve and oxygen exhaust are installed in the oxygen permanent seat 03.The pipeline of this oxygen machine adopts hides design, all pipelines before the molecular sieve adsorber are incorporated on the air compressor and first contiguous block, molecular sieve adsorber to the pipeline between the oxygen holder, check valve, throttling valve is incorporated on the molecular sieve adsorber end cap and second contiguous block, make its whole structure compactness, to reach the purpose of reduced volume, conveniently moving, easy to use.

Claims (5)

1. two oxygen holder molecular sieve pressure swing adsorption oxygens, comprise air compressor (19), air compressor (19) connects first check valve (1), first check valve (1) connects first solenoid operated directional valve (2) and second solenoid operated directional valve (18) respectively, first solenoid operated directional valve (2) connects first molecular sieve adsorber (3), second solenoid operated directional valve (18) connects second molecular sieve adsorber (4), first molecular sieve adsorber (3) connects first throttle valve (5) and second throttling valve (6) respectively, first throttle valve (5) connects second check valve (7), and second check valve (7) connects the 4th throttling valve (10); Second molecular sieve adsorber (4) connects the 3rd throttling valve (8) and the 4th throttling valve (10) respectively, and the 3rd throttling valve (8) connects the 5th check valve (9), and the 5th check valve (9) connects second throttling valve (6); Described first solenoid operated directional valve (2) is interconnection with second solenoid operated directional valve (18), and connection venting port (17), it is characterized in that described second check valve (7) connects first oxygen holder (15) through the 3rd check valve (13), second throttling valve (6) connects second oxygen holder (14) through the 4th check valve (12); The 5th check valve (9) is connected second oxygen holder (14) with the 4th check valve (12), and the 4th throttling valve (10) connects first oxygen holder (15) through the 3rd check valve (13); Described first oxygen holder (15) is connected oxygen exhaust (21) with second oxygen holder (14) through the 3rd solenoid operated directional valve (16).
2. as claimed in claim 1 pair of oxygen holder molecular sieve pressure swing adsorption oxygen, it is characterized in that described first solenoid operated directional valve (2) and second solenoid operated directional valve (18) make one and become five-way solenoid operated directional valve (23), first check valve (1) connects five-way solenoid operated directional valve (23), and five-way solenoid operated directional valve (23) connects first molecular sieve adsorber (3) and second molecular sieve adsorber (4) and venting port (17) respectively.
3. as claimed in claim 1 pair of oxygen holder molecular sieve pressure swing adsorption oxygen is characterized in that described the 5th check valve (9) connects the 3rd check valve (13) through adjustable throttling (11).
4. as claimed in claim 1 pair of oxygen holder molecular sieve pressure swing adsorption oxygen is characterized in that being equipped with in the described air compressor (19) air filter (20).
5. two oxygen holder molecular sieve pressure swing adsorption oxygens, comprise air compressor (19), air compressor (19) has left end cap (191) and right end cap (192), left end cap (191) is gone up first molecular sieve adsorber (3) is installed, right end cap (192) is gone up second molecular sieve adsorber (4) is installed, first loam cake (31) and second loam cake (41) are arranged respectively on first molecular sieve adsorber (3) and second molecular sieve adsorber (4), it is characterized in that all being equipped with first check valve (1) in described left end cap (191) and the right end cap (192), first contiguous block (01) is installed between left end cap (191) and the right end cap (192), first solenoid operated directional valve and second solenoid operated directional valve are installed in first contiguous block (01), second check valve is installed in described first loam cake (31), the first throttle valve and second throttling valve, the 5th check valve is installed in described second loam cake (41), the 3rd throttling valve and the 4th throttling valve, second contiguous block (02) is installed between first loam cake (31) and second loam cake (41), in second contiguous block adjustable throttling is installed, connect first oxygen holder (15) and second oxygen holder (14) under second contiguous block (02) respectively, first oxygen holder (15) and second oxygen holder (14) have first oxygen holder lid (151) and second oxygen holder lid (141) respectively, the 3rd check valve is installed in first oxygen holder lid (151), the 4th check valve is installed in second oxygen holder lid (141), be connected oxygen permanent seat (03) under first oxygen holder (15) and second oxygen holder (14), go out the 3rd solenoid operated directional valve (16) and oxygen exhaust are installed in the oxygen permanent seat (03).
CN2010202989449U 2010-08-17 2010-08-17 Molecular sieve pressure-swing-adsorption oxygen generator with double oxygen storage tanks Expired - Fee Related CN201850137U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102372263A (en) * 2010-08-17 2012-03-14 周纪昌 Molecular sieve pressure-swing adsorption oxygenerator with double oxygen storage tank
CN102923667A (en) * 2012-11-08 2013-02-13 上海康盟保健用品有限公司 Air purifying and fresh air oxygen supplying oxygenerator
CN106422650A (en) * 2016-09-20 2017-02-22 深圳市宸瀞环境科技有限公司 Physical air purification method and device
CN111807328A (en) * 2020-07-23 2020-10-23 中国航空工业集团公司上海航空测控技术研究所 Molecular sieve oxygen making mechanism of portable oxygenerator

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102372263A (en) * 2010-08-17 2012-03-14 周纪昌 Molecular sieve pressure-swing adsorption oxygenerator with double oxygen storage tank
CN102923667A (en) * 2012-11-08 2013-02-13 上海康盟保健用品有限公司 Air purifying and fresh air oxygen supplying oxygenerator
CN106422650A (en) * 2016-09-20 2017-02-22 深圳市宸瀞环境科技有限公司 Physical air purification method and device
CN111807328A (en) * 2020-07-23 2020-10-23 中国航空工业集团公司上海航空测控技术研究所 Molecular sieve oxygen making mechanism of portable oxygenerator

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Granted publication date: 20110601

Termination date: 20180817