CN218608727U - Pressure swing adsorption type oxygen generating device - Google Patents
Pressure swing adsorption type oxygen generating device Download PDFInfo
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- CN218608727U CN218608727U CN202222352781.3U CN202222352781U CN218608727U CN 218608727 U CN218608727 U CN 218608727U CN 202222352781 U CN202222352781 U CN 202222352781U CN 218608727 U CN218608727 U CN 218608727U
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- molecular sieve
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Abstract
The utility model provides a pressure swing adsorption type oxygen generating device, which comprises a molecular sieve body, a two-position four-way solenoid valve, a water-mist separator, a condenser, an oil-free air compressor, a flow controller, a one-way valve and an air storage tank; the molecular sieve body is three, every the gas outlet of two-position four-way solenoid valve is connected respectively to the inlet end of molecular sieve body, and is three the gas outlet of water smoke separator is connected to two-position four-way solenoid valve's air inlet after parallelly connected, water smoke separator's air inlet passes through the condenser and is connected with oil-free air compressor. The utility model discloses can produce the oxygen of higher pressure according to the demand volume, practice thrift the air compressor machine energy, improve molecular sieve working life.
Description
Technical Field
The utility model relates to a gaseous manufacture equipment technical field specifically is a pressure swing adsorption formula oxygenerator.
Background
The oxygen generator is widely applied to industries such as medical treatment, aquaculture and the like. Mainly comprises three modes of chemical oxygen generation, cryogenic oxygen generation and pressure swing adsorption oxygen generation. The small oxygen generator mostly adopts pressure swing adsorption type oxygen generation. The pressure swing adsorption type oxygen generator is characterized by that under the condition of normal temp. and pressure environment, the nitrogen quantity in the air adsorbed by special-purpose molecular sieve for oxygen generation under the condition of pressurization and normal pressure is different, and the air is circularly adsorbed by pressurization and depressurization in the molecular sieve bed so as to obtain the oxygen whose purity is greater than 90%. Oxygen generators made on the basis of this principle have an efficient and optimum operating state, and deviations from this operating state result in a drastic increase in the energy consumption per unit of production. In addition, molecular sieves have a specific operating pressure, and an excessively high operating pressure causes a significant reduction in the life of the molecular sieve, thereby resulting in a lower oxygen output pressure, but in practice it is often necessary to use a higher pressure.
SUMMERY OF THE UTILITY MODEL
The utility model provides a pressure swing adsorption formula oxygenerator, the problem of proposition in the background art has been solved to the not enough of prior art.
A pressure swing adsorption type oxygen generation device comprises a molecular sieve body, a two-position four-way electromagnetic valve, a water mist separator, a condenser, an oil-free air compressor, a restrictor, a one-way valve and an air storage tank;
the molecular sieve comprises three molecular sieve bodies, the three molecular sieve bodies are arranged in parallel, the air inlet end of each molecular sieve body is connected with the air outlet of a two-position four-way electromagnetic valve, the air inlets of the three two-position four-way electromagnetic valves are connected in parallel and then connected with the air outlet of a water mist separator, and the air inlet of the water mist separator is connected with an oil-free air compressor through a condenser;
the air outlet of each molecular sieve body is connected with a restrictor and a one-way valve in sequence and then is connected with the air inlet of an air storage tank, the air outlets of the three molecular sieve bodies between the one-way valve and the restrictor are also connected with each other through the restrictor, and the air outlet of the air storage tank is connected with the air inlet of an oil-free air compressor through a regulating valve;
the molecular sieve body comprises an integrated aluminum pipe, an upper end cover and a lower end cover, the upper end cover is arranged at the upper end of the integrated aluminum pipe, the lower end of the integrated aluminum pipe is provided with the lower end cover, the upper end cover is provided with an air suction port in an integrated manner, the lower end cover is provided with an air outlet in an integrated manner, a cavity is arranged inside the integrated aluminum pipe, and the cavity is sequentially provided with a molecular sieve pipe spring, an air inlet spacer, alumina filling particles, an air-permeable spacer, molecular sieve filling particles and an air outlet spacer from top to bottom.
Further, the material that the upper end cover adopted is PA and glass fiber mixed material, and PC and glass fiber's proportion is: PA and glass fiber.
Further, the material that the lower end cover adopted is the material that PA and glass fiber mix, and PC and the glass fiber's proportion is: PA and glass fiber.
Furthermore, the integrated aluminum pipe, the upper end cover and the lower end cover are respectively of an integrally formed structure.
The utility model discloses be equipped with following beneficial effect: the utility model discloses can produce the oxygen of higher pressure according to the demand volume, practice thrift the air compressor machine energy, maintain the normal operating condition of molecular sieve body, improve the molecular sieve body life-span.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic diagram of the molecular sieve structure of the present invention.
The device comprises a molecular sieve body 1, an integrated aluminum pipe 2, an upper end cover 3, a lower end cover 4, an air suction port 5, an air outlet 6, a molecular sieve pipe spring 7, an air inlet spacer 8, an alumina filling particle 9, an air permeable spacer 10, a molecular sieve filling particle 11, an air outlet spacer 12, a regulating valve 13, a two-position four-way electromagnetic valve 14, a water mist separator 15, a condenser 16, an oil-free air compressor 17, an oil-free air compressor 18, a throttle 19, a one-way valve 20 and an air storage tank.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-2, a pressure swing adsorption type oxygen generation device comprises a molecular sieve body 1, a two-position four-way electromagnetic valve 14, a water mist separator 15, a condenser 16, an oil-free air compressor 17, a restrictor 18, a one-way valve 19 and an air storage tank 20;
the number of the molecular sieve bodies 1 is three, the three molecular sieve bodies 1 are arranged in parallel, the air inlet end of each molecular sieve body 1 is connected with the air outlet of a two-position four-way electromagnetic valve 14, the air inlets of the three two-position four-way electromagnetic valves 14 are connected in parallel and then connected with the air outlet of a water mist separator 15, and the air inlet of the water mist separator 15 is connected with an oil-free air compressor 17 through a condenser 16;
the air outlet of each molecular sieve body 1 is connected with a restrictor 18 and a one-way valve 19 in sequence and then is connected with the air inlet of an air storage tank 20, the air outlets of the three air outlets of the molecular sieve bodies 1 between the one-way valve 19 and the restrictor 18 are also connected with each other through the restrictor 18, and the air outlet of the air storage tank 20 is connected with the air inlet of an oil-free air compressor 17 through a regulating valve 13;
the molecular sieve body 1 comprises an integrated aluminum pipe 2, an upper end cover 3 and a lower end cover 4, the upper end cover 3 is arranged at the upper end of the integrated aluminum pipe 2, the lower end of the integrated aluminum pipe 2 is provided with the lower end cover 4, the upper end cover 3 is provided with an air suction port 5 in an integrated manner, the lower end cover 4 is provided with an air outlet 6 in an integrated manner, a cavity is arranged inside the integrated aluminum pipe 2, and the cavity is sequentially provided with a molecular sieve pipe spring 7, an air inlet spacer 8, alumina filling particles 9, an air-permeable spacer 10, molecular sieve filling particles 11 and an air outlet spacer 12 from top to bottom.
Specifically, the material that upper end cover 3 adopted is the material that PA66 and glass fiber mix, and PC and the glass fiber's proportion is: 70% of PA66 and 30% of glass fiber.
Specifically, the lower end cover 4 is made of a material mixed by PA66 and glass fibers, and the ratio of PC to the glass fibers is as follows: 70% of PA66 and 30% of glass fiber.
Specifically, the integrated aluminum pipe 2, the upper end cover 3 and the lower end cover 4 are respectively of an integrally formed structure.
The working steps are as follows: when the air-water separator works, an oil-free air compressor pressurizes air, the pressurized air is cooled through a condenser and enters a water mist separator, water mist in the air is separated out through the water mist separator, the dried air enters a two-position four-way electromagnetic valve, the two-position four-way electromagnetic valve respectively leads the air into a molecular sieve body in turn according to a control signal of an electric control circuit, and the air passes through the molecular sieve body and then flows into an air storage tank through three interconnected throttlers, wherein most of the air flows into the air storage tank through a one-way valve; and a small part is backwashed through the restrictor and communicated with the other molecular sieve body. Most of the oxygen flows into the gas storage tank through the one-way valve to be product oxygen, the product oxygen is output outwards through the regulating valve so as to ensure the concentration of the product oxygen, and the oxygen output pressure is increased to be more than or equal to 0.4MPa through the oilless air compressor and is output to the outside.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (2)
1. A pressure swing adsorption type oxygen generating device is characterized in that: comprises a molecular sieve body (1), a two-position four-way electromagnetic valve (14), a water mist separator (15), a condenser (16), an oil-free air compressor (17), a restrictor (18), a one-way valve (19) and an air storage tank (20);
the device comprises three molecular sieve bodies (1), wherein the three molecular sieve bodies (1) are arranged in parallel, the air inlet end of each molecular sieve body (1) is connected with the air outlet of a two-position four-way electromagnetic valve (14), the air inlets of the three two-position four-way electromagnetic valves (14) are connected in parallel and then connected with the air outlet of a water mist separator (15), and the air inlet of the water mist separator (15) is connected with an oil-free air compressor (17) through a condenser (16);
the air outlet of each molecular sieve body (1) is connected with a throttle (18) and a one-way valve (19) in sequence and then is connected with the air inlet of an air storage tank (20), the air outlets of the three molecular sieve bodies (1) between the one-way valve (19) and the throttle (18) are also connected with each other through the throttle (18), and the air outlet of the air storage tank (20) is connected with the air inlet of an oil-free air compressor (17) through a regulating valve (13);
the molecular sieve body (1) comprises an integrated aluminum pipe (2), an upper end cover (3) and a lower end cover (4), the upper end cover (3) is arranged at the upper end of the integrated aluminum pipe (2), the lower end of the integrated aluminum pipe (2) is provided with the lower end cover (4), the upper end cover (3) is provided with an air suction port (5) in an integrated mode, the lower end cover (4) is provided with an air outlet (6) in an integrated mode, a cavity is arranged inside the integrated aluminum pipe (2), and the cavity is sequentially provided with a molecular sieve pipe spring (7), an air inlet spacer (8), alumina filling particles (9), an air permeable spacer (10), molecular sieve filling particles (11) and an air outlet spacer (12) from top to bottom.
2. The pressure swing adsorption oxygen generation plant of claim 1, wherein: the integrated aluminum pipe (2), the upper end cover (3) and the lower end cover (4) are respectively of an integrally formed structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222352781.3U CN218608727U (en) | 2022-09-05 | 2022-09-05 | Pressure swing adsorption type oxygen generating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222352781.3U CN218608727U (en) | 2022-09-05 | 2022-09-05 | Pressure swing adsorption type oxygen generating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218608727U true CN218608727U (en) | 2023-03-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222352781.3U Active CN218608727U (en) | 2022-09-05 | 2022-09-05 | Pressure swing adsorption type oxygen generating device |
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| Country | Link |
|---|---|
| CN (1) | CN218608727U (en) |
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2022
- 2022-09-05 CN CN202222352781.3U patent/CN218608727U/en active Active
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