CN214570740U

CN214570740U - High-integration-degree oxygen generator

Info

Publication number: CN214570740U
Application number: CN202120532788.6U
Authority: CN
Inventors: 邱林; 冯勇华; 寇艳青
Original assignee: Hubei Yjt Technology Co ltd
Current assignee: Hubei Yjt Technology Co ltd
Priority date: 2021-03-15
Filing date: 2021-03-15
Publication date: 2021-11-02
Anticipated expiration: 2031-03-15

Abstract

A high integration oxygen generator comprises an upper cover, a screen drum and a lower cover which are sequentially and hermetically connected from top to bottom, wherein the upper cover is provided with an oxygen output nozzle for outputting oxygen after pressure reduction and a pressure regulating valve integrated with the upper cover, and the middle area of the upper cover is hermetically provided with an integrated two-position five-way air guide control valve; the lower cover is used as one part of the shell of the oxygen generator, and the nitrogen bin seat on the lower cover is distributed with nitrogen discharging holes which are communicated with the inside and the outside. The utility model discloses utilize the space that the air guide control valve vacates to fuse the relief pressure valve to the upper cover in, holistic integrated level and modularization are used and are further improved. Set up the nitrogen discharging port in the lower cover as the partly of oxygenerator casing, directly discharge the atmosphere with the nitrogen gas in nitrogen storehouse not through the casing is inside, also directly discharge the atmosphere with the heat that nitrogen gas carried simultaneously, reduced the gathering of nitrogen gas and heat in the casing, also improved the air collection quality of compressor.

Description

High-integration-degree oxygen generator

Technical Field

The utility model relates to an oxygen generation technology, in particular to a high-integration oxygen generator.

Background

The existing pressure swing adsorption type molecular sieve oxygen generator has the disadvantages that the structure of a gas path switching part used for improving the flow is complex, not only are parts multiple and the assembly complex, but also the space occupied by the upper cover of the adsorption tower is large, the traditional structure is difficult to further simplify, the oxygen generator can be used only through a pressure reducing valve after being output by high-pressure oxygen, and potential safety hazards can be brought if the oxygen generator is not connected properly.

On the other hand, the nitrogen outlet of current oxygenerator sets up in the lower part in sieve bucket nitrogen storehouse, because the outside of the sieve bucket that produces the oxygenerator still is equipped with the outside casing of finished product oxygenerator, lead to exhaust nitrogen gas still to gather in the casing of machine, the produced heat of valve body operation also concentrates on in the casing along with exhaust nitrogen gas, the compressor that absorbs the air simultaneously also installs in the casing outside the sieve bucket, lead to the air majority that the oxygenerator gathered to come from the gas that exhausts, make the inspiratory air oxygen content of system decline, and the heat obtains the gathering and is difficult to give off, the rising of temperature is unfavorable for the life of valve body.

Disclosure of Invention

The utility model aims to solve the technical problem that a high integration oxygenerator is provided, solve above-mentioned problem, be integrated as an organic whole with relief pressure valve and adsorption tower upper cover, directly discharge the atmosphere with exhaust nitrogen gas simultaneously, avoid nitrogen gas and heat to gather in oxygenerator's casing.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the high-integration oxygen generator comprises an upper cover, a screen drum and a lower cover which are sequentially and hermetically connected from top to bottom, and is characterized in that the upper cover is provided with an oxygen output nozzle for outputting oxygen after pressure reduction, a compression nozzle for connecting the output end of an air compressor and a pressure regulating valve integrated with the upper cover, and the middle area of the upper cover is hermetically provided with an integrated two-position five-way air guide control valve;

the sieve cylinder is vertically divided into a high-pressure oxygen chamber, a nitrogen chamber and a pair of nitrogen-oxygen separation chambers, the upper and lower ports of the pair of nitrogen-oxygen separation chambers are respectively connected with the separation chamber interfaces of the upper cover and the lower cover in a sealing way, the upper and lower ports of the nitrogen chamber are respectively connected with the nitrogen chamber seats of the upper cover and the lower cover in a sealing way, and the upper and lower ports of the high-pressure oxygen chamber are respectively connected with the oxygen chamber seats of the upper cover and the lower cover in a sealing way;

the lower cover is used as a part of the shell of the oxygen generator, and the nitrogen bin seat on the lower cover is distributed with nitrogen discharge holes which are communicated inside and outside.

Further, the nitrogen discharge hole is the only channel for directly communicating the nitrogen bin with the outside.

The two-position five-way air guide control valve is an integrated modular component, and a pair of electromagnetic valves, a pair of air path switching valves controlled by the electromagnetic valves and air paths butted with a pair of oxygen bin openings, a pair of nitrogen bin openings and an air inlet are intensively arranged in the modular component.

The middle area of the upper cover is provided with a pair of oxygen bin openings, a pair of nitrogen bin openings and an air inlet which are symmetrically arranged, the pair of oxygen bin openings are communicated with the separation bin interfaces of the upper cover through a channel in the upper cover, the pair of nitrogen bin openings are communicated with the nitrogen bin seat of the upper cover through a channel in the upper cover, and the air inlet is communicated with the compression air nozzle through a channel in the upper cover.

The lower cover output air passage communicated with the oxygen chamber seat of the lower cover is arranged in the separation chamber interface in the lower cover, the air inlet valve frame used for being connected with the air inlet valve is arranged in the oxygen chamber seat of the lower cover, and the high-pressure oxygen passing through the lower cover output air passage enters the high-pressure oxygen chamber through the air inlet valve.

The pressure regulating valve is arranged in the oxygen bin seat of the upper cover.

The utility model relates to a two tower pressure swing adsorption formula oxygenerator improve the application of structure integrated level, from the independent preparation of the integration of the air guide control valve that utilizes the diaphragm technique, to the space that utilizes the air guide control valve to vacate fuse the upper cover with the relief pressure valve in, holistic integrated level and modularization are used and are further improved.

The utility model discloses set up the nitrogen discharging port in the lower cover as oxygenerator casing part, directly discharge the atmosphere with the nitrogen gas in nitrogen storehouse through inside not the casing, also directly discharge the atmosphere with the heat that nitrogen gas carried simultaneously, reduced the gathering of nitrogen gas and heat in the casing, also improved the air acquisition quality of compressor.

Drawings

FIG. 1 is an exploded view of the overall structure of the present invention;

fig. 2 is a perspective view of the bottom structure of the upper cover.

In the figure: 1-two-position five-way air guide control valve, 2-pressure regulating valve, 3-control valve interface, 4-upper cover, 5-screen cylinder, 6-oxygen bin seat, 7-oxygen inlet, 8-lower cover, 9-air inlet valve frame, 10-nitrogen discharge hole, 11-nitrogen bin seat, 12-lower cover output air channel, 13-nitrogen bin, 14-high pressure oxygen bin, 15-nitrogen-oxygen separation bin, 16-compression air nozzle, 17-oxygen output nozzle, 18-nitrogen bin port, 19-oxygen bin port, 20-air inlet and 21-separation bin interface.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples, and it is to be understood that the described examples are only some of the examples and are not all examples of the present invention. 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.

In the description of the present invention, it should be noted that the positional relationships indicated by the terms "center", "upper", "lower", "vertical", "inner" or "outer" and the like are positional or positional relationships based on the application state or the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or may be connected internally to the elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1, the present invention provides an embodiment: a high integration oxygenerator, including upper cover 4, a sieve section of thick bamboo 5 and the lower cover 8 of from top to bottom sealing connection in proper order, be equipped with on upper cover 4 and be used for the oxygen output mouth 17 of oxygen output after the decompression, be used for connecting the compression air cock 16 of air compressor output, with the air-vent valve 2 that the upper cover fuses into an organic whole, the high-pressure oxygen that oxygen output mouth 17's gas circuit backing stage has separated the oxygenerator has passed through air-vent valve 2 and decompressed promptly, and air-vent valve 2 is not installed as an independent part, but regard as part of air-vent valve with partial upper cover, the air-vent valve fuses into in the upper cover. The structure of the pressure reducing valve is detailed in the other patent 'the upper cover of the high-integration oxygenerator adsorption tower' simultaneously applied by the applicant of the utility model.

The middle area of the upper cover, namely the range of the control valve interface 3 in fig. 1, is hermetically provided with an integrated two-position five-way air guide control valve 1; two-position five-way air guide control valve 1 is the gas circuit distribution control core of upper cover, and the air guide control valve has concentrated the main function of adsorption tower upper cover among the prior art the utility model discloses in, integrated the control valve part is a modular part, has set up the relief pressure valve with the space vacated after the space reduces as far as possible to the application of oxygenerator has been simplified, no longer need connect the relief pressure valve by oneself in the use of oxygenerator.

The two-position five-way air guide control valve is an integrated modular component, and a pair of electromagnetic valves, a pair of air path switching valves controlled by the electromagnetic valves and air paths in butt joint with a pair of oxygen bin openings 19, a pair of nitrogen bin openings 18 and an air inlet 20 are intensively arranged in the modular component. And controlling the flow of the compressed gas turbine to enter the molecular sieve cylinders on two sides to separate oxygen, and discharging the separated nitrogen into the nitrogen bin by the valve body on the other side when the compressed gas enters the nitrogen-oxygen separation bin 15 by the valve body on one side. The middle area of the upper cover 4 is provided with a pair of oxygen bin openings 19, a pair of nitrogen bin openings 18 and an air inlet 20 which are symmetrically arranged, the pair of oxygen bin openings 19 are communicated with a separation bin connector 21 of the upper cover through a channel in the upper cover, the pair of nitrogen bin openings 18 are communicated with a nitrogen bin seat 11 of the upper cover through a channel in the upper cover, and the air inlet 20 is communicated with a compression air nozzle 16 through a channel in the upper cover. And the control valve body is integrated in the two-position five-way air guide control valve 1. The specific two-position five-way air guide control valve structure is described in detail in another patent 'a transversely installed diaphragm air guide valve' simultaneously applied by the applicant of the present invention.

The integrative vertical partition of sieve section of thick bamboo 5 has hyperbaric oxygen storehouse 14, nitrogen storehouse 13 and a pair of nitrogen oxygen separation storehouse 15, and nitrogen oxygen separation storehouse 15's effect is built-in molecular sieve, separates out the oxygen in the air that will pass through, and other gases that nitrogen gas is main are stayed the upper portion in nitrogen oxygen separation storehouse 15. The upper and lower ports of the nitrogen-oxygen separation chamber 15 are respectively connected with the separation chamber ports 21 of the upper cover 4 and the lower cover 8 in a sealing way, and the separated oxygen is injected into the hyperbaric oxygen chamber 14 from the channel of the lower cover 8. A lower cover output air passage 12 communicated with an oxygen chamber seat 6 of the lower cover is arranged in a separation chamber interface 21 in the lower cover 8 and enters the lower cover 8 through an oxygen inlet 7 of the oxygen chamber seat 6, an air inlet valve frame 9 used for being connected with an air inlet valve is arranged in the oxygen chamber seat 6 of the lower cover, and high-pressure oxygen passing through the lower cover output air passage 12 enters a high-pressure oxygen chamber 14 through the air inlet valve. The air inlet valve is a one-way valve which can only flow to the hyperbaric oxygen chamber 14, and the produced oxygen can enter the hyperbaric oxygen chamber 14 because the air pressure in the nitrogen-oxygen separation chamber 15 during oxygen production is higher. The upper and lower ports of the high-pressure oxygen chamber 14 are respectively connected with the oxygen chamber seat 6 of the upper cover 4 and the lower cover 8 in a sealing way; the pressure regulating valve 2 is arranged in an oxygen bin seat 6 of the upper cover. The oxygen in the high-pressure oxygen chamber 14 is decompressed by the pressure regulating valve 2 in the oxygen chamber seat 6 at the top and then is output through the oxygen output nozzle 17.

The upper and lower ports of the nitrogen bin 13 are respectively connected with the nitrogen bin seats 11 of the upper cover 4 and the lower cover 8 in a sealing manner, nitrogen in the nitrogen bin 13 comes from an upper port of the nitrogen-oxygen separation bin 15 separated above the molecular sieve in the nitrogen-oxygen separation bin 15, the nitrogen is led into the nitrogen bin 13 through a valve switch in the two-position five-way air guide control valve 1, and the nitrogen bin seats 11 on the lower cover are distributed with nitrogen discharge holes 10 which are communicated inside and outside. The lower cover 8 is used as a part of the casing of the oxygen generator, and the nitrogen in the nitrogen bin 13 is directly discharged to the atmosphere without escaping through the casing of the oxygen generator through the side wall of the sieve barrel. Because the periodic pressure in nitrogen storehouse 13, nitrogen gas is let out fast, will set up the sound absorption cotton that gives sound insulation and fall the noise in nitrogen storehouse 13 usually, will let out the noise absorption of pressure. While the heat carried by the nitrogen gas is also discharged from the nitrogen discharge hole 10. Because the nitrogen discharging hole 10 is the only channel of the nitrogen bin 13 directly communicating with the outside, the separated waste gas such as nitrogen gas is directly discharged from the nitrogen discharging hole 10 and is not retained in the shell of the oxygenerator.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications, substitutions, improvements and the like can be made to the technical solutions described in the foregoing embodiments or to some technical features of the technical solutions.

Claims

1. A high integration oxygen generator comprises an upper cover (4), a screen drum (5) and a lower cover (8) which are sequentially and hermetically connected from top to bottom, and is characterized in that the upper cover (4) is provided with an oxygen output nozzle (17) for outputting oxygen after pressure reduction, a compression air nozzle (16) for connecting the output end of an air compressor, and a pressure regulating valve (2) integrated with the upper cover, and the middle area is hermetically provided with an integrated two-position five-way air guide control valve (1);

the sieve cylinder (5) is vertically and integrally divided into a high-pressure oxygen chamber (14), a nitrogen chamber (13) and a pair of nitrogen-oxygen separation chambers (15), the upper end port and the lower end port of each nitrogen-oxygen separation chamber (15) are respectively in sealing connection with the separation chamber interfaces (21) of the upper cover (4) and the lower cover (8), the upper end port and the lower end port of each nitrogen chamber (13) are respectively in sealing connection with the nitrogen chamber seats (11) of the upper cover (4) and the lower cover (8), and the upper end port and the lower end port of each high-pressure oxygen chamber (14) are respectively in sealing connection with the oxygen chamber seats (6) of the upper cover (4) and the lower cover (8);

the lower cover (8) is used as a part of the shell of the oxygen generator, and the nitrogen bin seat (11) on the lower cover is distributed with nitrogen discharging holes (10) which are communicated with the inside and the outside.

2. The high-integration oxygen generator according to claim 1, wherein: the nitrogen discharge hole (10) is the only channel for directly communicating the nitrogen bin (13) with the outside.

3. The high-integration oxygen generator according to claim 1, wherein: the two-position five-way air guide control valve is an integrated modular component, and a pair of electromagnetic valves, a pair of air path switching valves controlled by the electromagnetic valves and air paths butted with a pair of oxygen bin openings (19), a pair of nitrogen bin openings (18) and an air inlet (20) are intensively arranged in the modular component.

4. The high-integration oxygen generator according to claim 3, wherein: the middle area of the upper cover (4) is provided with a pair of oxygen bin openings (19), a pair of nitrogen bin openings (18) and an air inlet (20), wherein the oxygen bin openings (19) are symmetrically arranged and communicated with a separation bin interface (21) of the upper cover through a channel in the upper cover, the nitrogen bin openings (18) are communicated with a nitrogen bin seat (11) of the upper cover through a channel in the upper cover, and the air inlet (20) is communicated with a compression air nozzle (16) through a channel in the upper cover.

5. The high-integration oxygen generator according to claim 1, wherein: a lower cover output air passage (12) communicated with an oxygen chamber seat (6) of the lower cover is arranged in a separation chamber interface (21) in the lower cover (8), an air inlet valve frame (9) used for connecting an air inlet valve is arranged in the oxygen chamber seat (6) of the lower cover, and high-pressure oxygen passing through the lower cover output air passage (12) enters a high-pressure oxygen chamber (14) through the air inlet valve.

6. The high-integration oxygen generator according to claim 1, wherein: the pressure regulating valve (2) is arranged in an oxygen bin seat (6) of the upper cover.