Modularized pressure swing adsorption oxygen production device

Abstract

The utility model discloses a modularized pressure swing adsorption oxygen generation device which comprises an oxygen generation tank, an air inlet mechanism arranged on one side of the oxygen generation tank, an auxiliary mechanism mounted on the surface of the oxygen generation tank, a collecting mechanism arranged on one side of the oxygen generation tank, and a detection mechanism mounted below the oxygen generation tank. According to the oxygen generation device, air entering the oxygen generation tank can be subjected to auxiliary filtering treatment, the cleanliness of the air is improved, a filtering part can be subjected to auxiliary cleaning, the situation that the filtering part is blocked or unsmooth in air inflow due to filtered impurities is reduced, meanwhile, the oxygen generation tank is provided with a detection mechanism, oxygen is conveniently detected, and the oxygen generation efficiency is improved. When the detected purity is not enough, auxiliary filtering and purifying treatment can be carried out, the oxygen production purity can be improved, an auxiliary mechanism is arranged on the oxygen production tank, auxiliary cooling and heat dissipation treatment can be conveniently carried out on conveyed oxygen production gas, oxygen production treatment can be better carried out, and meanwhile, a collecting mechanism is arranged on the oxygen production tank; other gases generated during oxygen production can be conveniently collected.

Description

Technical Field

[0001] The utility model relates to the technical field of oxygen production devices, in particular to a modular pressure swing adsorption oxygen production device. Background Art

[0002] The modular pressure swing adsorption oxygen generator is an efficient and environmentally friendly gas separation device. It is based on the principle of physical adsorption and achieves oxygen separation and purification through the different adsorption properties of specific adsorbents (such as zeolite molecular sieves) under pressure swing conditions.

[0003] However, the modular pressure swing adsorption oxygen generator cannot assist in cleaning the components at the air intake during actual use, causing the air intake components at the air intake to be blocked by filtered impurities or causing air intake to be blocked, thus affecting the oxygen production effect. At the same time, the modular pressure swing adsorption oxygen generator cannot filter or purify oxygen of low purity during testing. Utility Model Content

[0004] In response to the problems in the related art, the present invention proposes a modular pressure swing adsorption oxygen production device to overcome the above technical problems existing in the existing related art.

[0005] To this end, the specific technical solutions adopted in this utility model are as follows:

[0006] A modular pressure swing adsorption oxygen generator comprises an oxygen generator, an air intake mechanism is provided on one side of the oxygen generator, the air intake mechanism comprises an air intake pipe provided on one side of the oxygen generator, a control valve is installed at one end of the air intake pipe, an air compressor is connected to an air intake end of the air compressor, a filter element is installed on the inner wall of the filter box, an air intake groove is provided on one side of the filter box, a filter screen is installed on the inner wall of the air intake groove, a cleaning brush contacts one side of the filter screen, an electric telescopic rod is fixedly connected above the cleaning brush, the electric telescopic rod is connected to the filter box, and an auxiliary mechanism is installed on the surface of the oxygen generator;

[0007] A collection mechanism is provided on one side of the oxygen generator tank, and a detection mechanism is installed below the oxygen generator tank. The detection mechanism includes a control valve 2 installed below the oxygen generator tank, one end of the control valve 2 is connected to a detection cylinder through a connecting pipe 1, a detector is provided on the detection cylinder, and a plurality of control valves 3 are provided on the detection cylinder, one end of one of the control valves 3 is connected to the gas transmission pipe 1, and one end of another control valve 3 is connected to the filter cartridge;

[0008] A molecular sieve 2 is installed on the inner wall of the filter cartridge, a delivery pump 2 is provided on one side of the filter cartridge, one end of the delivery pump 2 is connected to a gas pipe 2, one end of the gas pipe 2 is provided with a control valve 4, one end of the control valve 4 is connected to the gas pipe 1, one end of the gas pipe 1 is connected to a flow meter, one end of the flow meter is connected to a humidification water tank through a connecting pipe 2, one side of the humidification water tank is connected to an oxygen compressor through a connecting pipe 3, and the oxygen compressor is connected to an oxygen tank through a connecting pipe 4.

[0009] Furthermore, the auxiliary mechanism includes a heat-insulating cover mounted on the surface of the oxygen generator, on which cooling plates are arranged at equal distances, and one side of the cooling plate is penetrated by a semiconductor refrigeration sheet.

[0010] Furthermore, the collection mechanism includes a collection pipe running through the oxygen generator, one end of the collection pipe is connected to a separation valve, one end of the separation valve is connected to a delivery pump 1 through a connecting pipe 5, and one end of the delivery pump 1 is connected to the collection tank.

[0011] Furthermore, a maintenance port is provided above the oxygen generator, and a shielding cover is installed on the inner wall of the maintenance port. A sealing gasket is provided on the shielding cover, and the sealing gasket is in contact with the maintenance port.

[0012] Furthermore, a plurality of connecting plates are provided on the shielding cover, and an electric telescopic rod 2 is installed below the connecting plate. One end of the electric telescopic rod 2 is connected to a mounting plate, and the mounting plate is fixedly connected to the surface of the oxygen generator tank.

[0013] Furthermore, a limiting seat is fixedly connected to the inner wall of the oxygen production tank, a plurality of limiting holes are opened on the limiting seat, the inner wall of the limiting holes is connected to a limiting frame, a molecular sieve plate 1 is installed on the inner wall of the limiting frame, and the upper part of the limiting frame is fixedly connected to the shielding cover.

[0014] Furthermore, the inner wall of the oxygen production tank is provided with a flow balancing screen plate, and the flow balancing screen plate is adapted to the inner wall of the oxygen production tank.

[0015] Beneficial effects of the utility model:

[0016] (1) The air intake mechanism installed in the oxygen concentrator can not only assist in filtering the incoming air to improve the cleanliness of the air, but also assist in cleaning the filter part to reduce the blockage or air intake obstruction caused by the impurities filtered in the filter part. At the same time, the detection mechanism installed in the oxygen concentrator is convenient for detecting oxygen. When the detection purity is not enough, it is assisted in filtering and purifying the oxygen, which is beneficial to improve the purity of the oxygen.

[0017] (2) The auxiliary mechanism provided in the oxygen production tank facilitates auxiliary cooling and heat dissipation of the transported oxygen production gas, which is conducive to better oxygen production. At the same time, the collection mechanism provided in the oxygen production tank facilitates the collection of other gases generated during oxygen production, thereby improving utilization. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0019] Figure 1 This is a schematic diagram of the structure of a modular pressure swing adsorption oxygen production device according to an embodiment of the present invention. Figure 1 ;

[0020] Figure 2 This is a schematic diagram of the structure of a modular pressure swing adsorption oxygen production device according to an embodiment of the present invention. Figure 2 ;

[0021] Figure 3 This is a schematic diagram of the air intake mechanism of a modular pressure swing adsorption oxygen generator according to an embodiment of the present invention. Figure 1 ;

[0022] Figure 4 This is a schematic diagram of the air intake mechanism of a modular pressure swing adsorption oxygen generator according to an embodiment of the present invention. Figure 2 ;

[0023] Figure 5 This is a schematic structural diagram of the auxiliary mechanism and collection mechanism of a modular pressure swing adsorption oxygen generator according to an embodiment of the present utility model;

[0024] Figure 6 This is a schematic structural diagram of a restriction seat and a restriction frame of a modular pressure swing adsorption oxygen generator according to an embodiment of the present utility model;

[0025] Figure 7 The figure is a schematic structural diagram of a detection mechanism of a modular pressure swing adsorption oxygen generator according to an embodiment of the present invention.

[0026] Reference numerals:

[0027] 1. Oxygen generator; 2. Air intake mechanism; 201. Air intake pipe; 202. Control valve 1; 203. Air compressor; 205. Filter box; 206. Filter element; 207. Filter screen; 208. Cleaning brush; 209. Electric telescopic rod 1; 3. Auxiliary mechanism; 301. Insulation cover; 302. Cooling plate; 303. Semiconductor refrigeration plate; 4. Collection mechanism; 401. Collection pipe; 402. Separation valve; 403. Delivery pump 1; 404. Collection tank; 5. Detection mechanism; 501. Control valve 2; 50 2. Detection cylinder; 503. Detector; 504. Control valve three; 505. Gas pipe one; 506. Filter cartridge; 507. Molecular sieve two; 508. Delivery pump two; 509. Gas pipe two; 510. Control valve four; 511. Flow meter; 512. Humidification water tank; 513. Oxygen compressor; 514. Oxygen tank; 6. Shielding cover; 7. Sealing gasket; 8. Connecting plate; 9. Electric telescopic rod two; 10. Mounting plate; 11. Limit seat; 12. Limit rack; 13. Molecular sieve plate one; 14. Flow-equalizing screen plate. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0029] Example 1:

[0030] See also Figure 1-Figure 5A modular pressure swing adsorption oxygen generator comprises an oxygen generator 1, an air intake mechanism 2 is provided on one side of the oxygen generator 1, the air intake mechanism 2 comprises an air intake pipe 201 provided on one side of the oxygen generator 1, a control valve 202 is installed at one end of the air intake pipe 201, an air compressor 203 is connected to one end of the air compressor 203, a filter box 205 is connected to the air intake end of the air compressor 203, a filter element 206 is installed on the inner wall of the filter box 205, an air intake groove is opened on one side of the filter box 205, a filter screen plate 207 is installed on the inner wall of the air intake groove, a cleaning brush 208 is in contact with one side of the filter screen plate 207, and the cleaning brush 208 is in contact with the cleaning brush 208. 08 is an existing conventional cleaning brush structure, such as including a brush head, and a plurality of cleaning bristles are arranged on the brush head, so it is not described or drawn in detail. When actually used, the cleaning brush 208 is connected to an adsorption hose and an adsorption pump (an existing adsorption pump) for adsorbing the cleaned impurities. An electric telescopic rod 209 is fixedly connected to the top of the cleaning brush 208, and the electric telescopic rod 209 is connected to the filter box 205. An opening 1 is opened above the filter box 205, and a maintenance cover is hinged on the inner wall of the opening 1. One side of the maintenance cover is fixedly connected to one side of the filter box 205 with a fixed lock buckle to facilitate the subsequent replacement of the filter element 206;

[0031] An auxiliary mechanism 3 is installed on the surface of the oxygen generator 1, and the auxiliary mechanism 3 includes a heat preservation cover 301 installed on the surface of the oxygen generator 1. When in actual use, a coolant is placed on the inner wall of the heat preservation cover 301. The coolant contacts the surface of the oxygen generator 1 and is used to assist in heat dissipation of the heat generated by the transported oxygen. When in actual use, a circulation pump (existing circulation pump) is provided on the heat preservation cover 301. One end of the circulation pump is connected to the coolant storage tank (existing coolant storage tank) through a circulation pipe. A filling pipe (existing filling pipe structure) passes through the coolant storage tank and the humidifying water tank 512. A sealing cover (existing sealing cover structure) is installed on one end of the filling pipe. Equally spaced cooling plates 302 are provided on the heat preservation cover 301. A semiconductor refrigeration sheet 303 passes through one side of the cooling plate 302 for cooling the coolant. The cooling end of the semiconductor refrigeration sheet 303 is located inside the cooling plate 302, and the heating end of the semiconductor refrigeration sheet 303 is located outside the cooling plate 302.

[0032] A maintenance port is opened above the oxygen concentrator 1, and a shielding cover 6 is installed on the inner wall of the maintenance port. A sealing gasket 7 is provided on the shielding cover 6, and the sealing gasket 7 contacts the maintenance port. A plurality of connecting plates 8 are provided on the shielding cover 6, and the number of connecting plates 8 is two. An electric telescopic rod 2 9 is installed below the connecting plate 8, and one end of the electric telescopic rod 2 9 is connected to a mounting plate 10. The mounting plate 10 is fixedly connected to the surface of the oxygen concentrator 1, and a limiting seat 11 is fixedly connected to the inner wall of the oxygen concentrator 1. A plurality of limiting holes are opened on the limiting seat 11, and the number of limiting holes is four. The inner wall of the limiting hole is connected to a limiting frame 12, and a molecular sieve plate 13 is installed on the inner wall of the limiting frame 12. The upper part of the limiting frame 12 is fixedly connected to the shielding cover 6, and the inner wall of the oxygen concentrator 1 is provided with a flow balancing screen plate 14, which is adapted to the inner wall of the oxygen concentrator 1. A plurality of support columns are provided below the oxygen concentrator 1, and the number of support columns is three.

[0033] Example 2:

[0034] See also Figure 1-Figure 7 A modular pressure swing adsorption oxygen generator is provided. A collecting mechanism 4 is provided on one side of the oxygen generator 1. The collecting mechanism 4 includes a collecting pipe 401 passing through the oxygen generator 1. One end of the collecting pipe 401 is connected to a separating valve 402. One end of the separating valve 402 is connected to a delivery pump 1 403 through a connecting pipe 5. One end of the delivery pump 1 403 is connected to a collecting tank 404.

[0035] A detection mechanism 5 is installed below the oxygen generator 1. The detection mechanism 5 includes a second control valve 501 installed below the oxygen generator 1. One end of the second control valve 501 is connected to a detection cylinder 502 via a connecting pipe 1. A detector 503 is installed on the detection cylinder 502 for detecting the purity of oxygen. The detector 503 is an existing conventional oxygen purity detector. A plurality of third control valves 504 are installed on the detection cylinder 502. One end of one of the third control valves 504 is connected to a gas supply pipe 1 505, and one end of another of the third control valves 504 is connected to a filter cartridge 506.

[0036] The filter cartridge 506 consists of a cylinder and a filter frame. The inner wall of the filter frame contacts the molecular sieve 2 507, and the filter frame is threadedly connected to the inner wall of the cylinder. The top of the filter frame is connected to the control valve 3 504. The inner wall of the filter cartridge 506 is installed with the molecular sieve 2 507. A delivery pump 2 508 is provided on one side of the filter cartridge 506. One end of the delivery pump 2 508 is connected to the gas transmission pipe 2 509. One end of the gas transmission pipe 2 509 is provided with a control valve 4 510. One end of the control valve 4 510 is connected to the gas transmission pipe 1 505. One end of the gas transmission pipe 1 505 is connected to a flow meter 511. One end of the flow meter 511 is connected to the humidification water tank 512 through the connecting pipe 2. One side of the humidification water tank 512 is connected to the oxygen compressor 513 through the connecting pipe 3. The oxygen compressor 513 is connected to the oxygen tank 514 through the connecting pipe 4.

[0037] The oxygen compressor 513, the flow meter 511, the control valve four 510, the delivery pump two 508, the control valve three 504, the detector 503, the control valve two 501, the delivery pump one 403, the separation valve 402, the electric telescopic rod two 9, the semiconductor refrigeration plate 303, the electric telescopic rod one 209, and the control valve one 202 are electrically connected to the controller during actual use. The controller, the oxygen compressor 513, the flow meter 511, the control valve four 510, the delivery pump two 508, the control valve three 504, the detector 503, the control valve two 501, the delivery pump one 403, the separation valve 402, the electric telescopic rod two 9, the semiconductor refrigeration plate 303, the electric telescopic rod one 209, and the control valve one 202 are electrically connected to an external power supply.

[0038] In summary, with the help of the above technical solution of the utility model, when in use, the air intake pipe 201, the control valve 202 and the air compressor 203 cooperate with each other to facilitate the delivery of external air to the filter plate 207 and the filter element 206 for filtering. When cleaning is required, the electric telescopic rod 209 drives the cleaning brush 208 to move up and down on the filter plate 207, which is convenient for cleaning the filter plate 207, reducing the blockage or air intake obstruction caused by the filtered impurities in the filter part, and the filtered and compressed gas enters the oxygen concentrator 1 through the cooling plate 30 2 cooperates with the semiconductor refrigeration sheet 303, and the edge cools the coolant placed on the heat preservation cover 301, which is convenient for cooling the filtered and compressed gas. Then, the oxygen is separated from other gases through the separation valve 402. The separated other gases pass through the collection pipe 401, the separation valve 402, and the delivery pump 403 to cooperate with each other, so as to be convenient for being delivered to the collection tank 404 for collection. The oxygen passes through the molecular sieve plate 13 and the flow-averaging screen plate 14 provided on the limiting frame 12 to cooperate with each other, so as to improve the purity of the oxygen. After purification, it passes through the control valve 2 501 and the detection cylinder 502, The detectors 503 cooperate with each other to facilitate the detection of oxygen purity. The qualified oxygen is sequentially transported through one of the control valves 3 504 to the gas pipe 1 505, the flow meter 511, the humidification water tank 512, and the oxygen compressor 513 for flow, humidification, compression, and then transported to the oxygen tank 514 for storage. The unqualified oxygen is sequentially transported through another control valve 3 504 to the filter cartridge 506, the molecular sieve 2 507, the delivery pump 2 508, the gas pipe 2 509, and the control valve 4 510 for filtration and purification, and then passes through the gas pipe 1 505 and the flow meter 511 again. , humidification water tank 512, oxygen compressor 513 for flow, humidification, compression and transport to oxygen tank 514 for storage. When the filter element 206, molecular sieve plate 13 and molecular sieve 2 507 need to be maintained, the filter element 206 can be maintained through the maintenance cover and fixed lock provided in the filter box 205. The electric telescopic rod 29 provided through the mounting plate 10 drives one end of the connecting plate 8 provided in the shielding cover 6 to facilitate lifting the limiting frame 12 provided in the shielding cover 6, so as to facilitate maintenance of the molecular sieve plate 13, and take out the filter frame from the filter cartridge 506 to facilitate maintenance of the molecular sieve 2 507.

[0039] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A modular pressure swing adsorption oxygen production device, characterized in that: The invention comprises an oxygen production tank (1), an air intake mechanism (2) is provided on one side of the oxygen production tank (1), the air intake mechanism (2) comprises an air intake pipe (201) provided on one side of the oxygen production tank (1), a control valve (202) is installed at one end of the air intake pipe (201), an air compressor (203) is connected to one end of the control valve (202), a filter box (205) is connected to the air intake end of the air compressor (203), and the inner wall of the filter box (205) is provided with a filter box (205). A filter element (206) is installed, an air inlet groove is opened on one side of the filter box (205), a filter screen plate (207) is installed on the inner wall of the air inlet groove, a cleaning brush (208) is in contact with one side of the filter screen plate (207), an electric telescopic rod (209) is fixedly connected above the cleaning brush (208), and the electric telescopic rod (209) is connected to the filter box (205), and an auxiliary mechanism (3) is installed on the surface of the oxygen generator (1); A collecting mechanism (4) is provided on one side of the oxygen production tank (1), and a detection mechanism (5) is installed below the oxygen production tank (1). The detection mechanism (5) includes a control valve 2 (501) installed below the oxygen production tank (1), one end of the control valve 2 (501) is connected to a detection cylinder (502) through a connecting pipe 1, a detector (503) is provided on the detection cylinder (502), and a plurality of control valves 3 (504) are provided on the detection cylinder (502), one end of one of the control valves 3 (504) is connected to an air supply pipe 1 (505), and one end of another of the control valves 3 (504) is connected to a filter cylinder (506); A molecular sieve 2 (507) is installed on the inner wall of the filter cartridge (506), and a delivery pump 2 (508) is provided on one side of the filter cartridge (506). One end of the delivery pump 2 (508) is connected to a gas pipe 2 (509), and one end of the gas pipe 2 (509) is provided with a control valve 4 (510). One end of the control valve 4 (510) is connected to the gas pipe 1 (505), and one end of the gas pipe 1 (505) is connected to a flow meter (511), and one end of the flow meter (511) is connected to a humidification water tank (512) through a connecting pipe 2. One side of the humidification water tank (512) is connected to an oxygen compressor (513) through a connecting pipe 3, and the oxygen compressor (513) is connected to an oxygen tank (514) through a connecting pipe 4.

2. A modular pressure swing adsorption oxygen production device according to claim 1, characterized in that: The auxiliary mechanism (3) comprises a heat-insulating cover (301) mounted on the surface of the oxygen-generating tank (1), wherein cooling plates (302) distributed at equal distances are provided on the heat-insulating cover (301), and a semiconductor refrigeration plate (303) is passed through one side of the cooling plate (302).

3. A modular pressure swing adsorption oxygen production device according to claim 2, characterized in that: The collecting mechanism (4) comprises a collecting pipe (401) passing through the oxygen production tank (1), one end of the collecting pipe (401) is connected to a separation valve (402), one end of the separation valve (402) is connected to a delivery pump (403) via a connecting pipe (5), and one end of the delivery pump (403) is connected to a collecting tank (404).

4. A modular pressure swing adsorption oxygen production device according to claim 1, characterized in that: A maintenance port is opened above the oxygen production tank (1), and a shielding cover (6) is installed on the inner wall of the maintenance port. A sealing gasket (7) is provided on the shielding cover (6), and the sealing gasket (7) is in contact with the maintenance port.

5. A modular pressure swing adsorption oxygen production device according to claim 4, characterized in that: The shielding cover (6) is provided with a plurality of connecting plates (8), and a second electric telescopic rod (9) is installed below the connecting plate (8). One end of the second electric telescopic rod (9) is connected to a mounting plate (10), and the mounting plate (10) is fixedly connected to the surface of the oxygen generator (1).

6. A modular pressure swing adsorption oxygen production device according to claim 4, characterized in that: The inner wall of the oxygen production tank (1) is fixedly connected to a limiting seat (11), a plurality of limiting holes are opened on the limiting seat (11), the inner wall of the limiting holes is connected to a limiting frame (12), the inner wall of the limiting frame (12) is installed with a molecular sieve plate (13), and the upper part of the limiting frame (12) is fixedly connected to the shielding cover (6).

7. The modular pressure swing adsorption oxygen production device according to claim 1, characterized in that: The inner wall of the oxygen production tank (1) is provided with a flow-equalizing screen plate (14), and the flow-equalizing screen plate (14) is adapted to the inner wall of the oxygen production tank (1).

Images