CN213537273U

CN213537273U - Low-oxygen oxygenerator

Info

Publication number: CN213537273U
Application number: CN202022532842.5U
Authority: CN
Inventors: 张立武; 刘一兵; 刘翠萍
Original assignee: Huizhou Miafi Electric Appliance Co ltd
Current assignee: Huizhou Miafi Electric Appliance Co ltd
Priority date: 2020-11-05
Filing date: 2020-11-05
Publication date: 2021-06-25
Anticipated expiration: 2030-11-05

Abstract

The utility model relates to a low-oxygen generator, which comprises a compressor, wherein one path of air inlet of the compressor is communicated with the outside, the other path is communicated with low-oxygen air, the compressor is connected with a separating valve through an air outlet pipeline, the separating valve is respectively connected with an A adsorption tower and a B adsorption tower, the other side of the A adsorption tower and the B adsorption tower is provided with a lower cover, the lower cover is provided with a first A air limiting hole and a first B air limiting hole, the first A air limiting hole and the first B air limiting hole are communicated with an oxygen outlet, a total exhaust hole of the separating valve is sequentially connected with a low-oxygen gas storage tank, a filter, a flowmeter and a low-oxygen outlet, the total exhaust hole is also connected with the air inlet of the compressor through the air inlet gas storage tank, oxygen in the air is extracted through multiple cycles by utilizing PSA oxygen generation, the concentration of the low-oxygen air or nitrogen gas can, the high-concentration oxygen can be produced while the low-concentration oxygen or the high-concentration nitrogen can be produced, so that the production efficiency can be improved.

Description

Low-oxygen oxygenerator

Technical Field

The utility model relates to an oxygen generating equipment technical field especially relates to a hypoxemia oxygenerator.

Background

Plateau training and hypoxia environment tests are usually required to be carried out at high altitude and in places without human smoke, so that the plateau training and the hypoxia environment tests are difficult to operate in space and time, high in cost and difficult to complete or achieve the aim of a general mechanism; the low-oxygen air can achieve the purpose of plateau training in a similar plateau environment, is particularly convenient, can be used by slightly adjusting a field, and is popular with numerous coaches, schools and testing institutions.

SUMMERY OF THE UTILITY MODEL

In view of this, it is necessary to provide a low-oxygen generator in order to solve the problem of high production cost of low-concentration oxygen.

A low-oxygen generator comprises a compressor, wherein an air inlet of the compressor is communicated with the outside through a one-way valve, an air outlet of the compressor is connected with an air inlet pipeline, the air inlet pipeline is connected with a separating valve, the separating valve is provided with a first output pipe and a second output pipe, a first electromagnetic valve A valve and a first electromagnetic valve B valve which are used for controlling the communication and disconnection of the air inlet pipeline and the first output pipe and the second output pipe are arranged in the separating valve, the first output pipe and the second output pipe are respectively connected with an A adsorption tower and a B adsorption tower, the other side of the A adsorption tower and the B adsorption tower is provided with a lower cover, the lower cover is provided with a first A air limiting hole communicated with the A adsorption tower and a first B air limiting hole communicated with the B adsorption tower, and the first A air limiting hole and the first B air limiting hole are communicated with an oxygen,

the total exhaust hole of the exhaust hole connection separating valve of the first electromagnetic valve A valve and the first electromagnetic valve B valve is connected with the low-oxygen gas storage tank, the filter, the flowmeter and the low-oxygen outlet in sequence, and the total exhaust hole is connected with the air inlet of the compressor through the air inlet gas storage tank.

In one embodiment, the oxygen outlet is connected with a concentration regulating valve.

In one embodiment, the adsorption tower A comprises an upper cover, an aluminum pipe and a lower cover, wherein a spring, a first filter, first filter paper, a molecular sieve, second filter paper and a second filter are sequentially arranged between the upper cover and the lower cover in the aluminum pipe.

In one embodiment, the lower cover is provided with a communication groove, the communication groove is communicated with the first A gas limiting hole and the first B gas limiting hole, and the communication groove is also communicated with the oxygen outlet.

Above-mentioned hypoxemia oxygenerator, utilize PSA system oxygen principle to extract the oxygen in with the air through manifold cycles, at this moment, the air that contains low concentration oxygen can be stayed to the combustion gas, through the volume of the nitrogen-rich gas of regulation entering circulation and the proportion of entering air, and the oxygen volume of extracting, can reach the purpose of adjusting the concentration of hypoxemia air, whole process is very convenient, can make low concentration oxygen when making high concentration nitrogen gas, high concentration nitrogen gas and low concentration oxygen are discharged from the passageway of difference, can improve the productivity effect like this, and increase the use scene of equipment.

Drawings

FIG. 1 is a schematic diagram of the low oxygen generator of the present invention;

the system comprises a check valve 1, a compressor 2, a nitrogen gas storage tank 3, a nitrogen gas storage tank 4, a flowmeter 5, a filter 6, a low-oxygen gas storage tank 7, a separating valve 8, a total exhaust hole 9, a first electromagnetic valve A valve 10, a first electromagnetic valve B valve 11, an A adsorption tower 12, a B adsorption tower 13, a first A gas limiting hole 14, a first B gas limiting hole 15, an oxygen outlet 16, a low-oxygen outlet 17 and a concentration regulating valve.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly on" another element, there are no intervening elements present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

At the moment, PSA oxygen generation is formed between the adsorption tower A and the adsorption tower B, after passing through the adsorption tower A and the adsorption tower B, moisture, carbon dioxide and a small amount of other gas components in the air are separated, and nitrogen is adsorbed, so that high-concentration oxygen can flow out from the oxygen outlet, when the adsorption tower A and the adsorption tower B are adsorbed to a certain extent, the adsorbent therein will reach a saturated state, at which point it is emptied through the separator valve, the adsorbed moisture, carbon dioxide, nitrogen and small amounts of other gaseous components are discharged at the main vent of the separator valve, of course, the mixed gas discharged at this time also contains a certain amount of oxygen, so that the mixed gas discharged from the main exhaust hole can meet the requirement of low-concentration oxygen, and in the whole production process, the nitrogen with high concentration and the oxygen with low concentration can be obtained, and the use benefit of the equipment is improved.

In the low-oxygen generator related to the present application, since the obtained mixed gas has a high nitrogen content and a low oxygen content, the apparatus related to the present application can be used as a low-oxygen production apparatus for preparing a mixed gas having a low oxygen concentration, and can also be used as a high-concentration nitrogen apparatus for preparing a mixed gas having a high nitrogen concentration. Therefore, for the application, the whole equipment is called a low-oxygen generator and can also be called a nitrogen generator.

In order to control the oxygen discharged from the oxygen outlet, in this embodiment, the oxygen outlet is connected to a concentration regulating valve, and in this case, the concentration regulating valve is a flow regulating valve, and can regulate the oxygen discharged from the oxygen outlet so as to control the concentration of the discharged oxygen, and at the same time, can also control the internal oxygen concentration.

Specifically, in this embodiment, for the a adsorption tower and the B adsorption tower, PSA oxygen generation is formed therebetween, and the structures adopted by both are the same, specifically, the a adsorption tower includes an upper cover, an aluminum pipe, and a lower cover, a spring, a first filter paper, a molecular sieve, a second filter paper, and a second filter are sequentially arranged between the upper cover and the lower cover in the aluminum pipe, and the specific structures of the adsorption towers (the a adsorption tower and the B adsorption tower) adopt technical solutions in the prior art, and therefore, detailed description is not provided herein.

For the intercommunication between A adsorption tower and the B adsorption tower, in this embodiment, be equipped with the intercommunication groove on the lower cover, the intercommunication groove is with first A limit gas pocket and first B limit gas pocket intercommunication, the intercommunication groove still communicates with the oxygen export, and at this moment, the intercommunication groove that is equipped with through the lower cover is with first A limit gas pocket and first B limit gas pocket intercommunication to filter tower and B filter tower intercommunication, like this, overall structure is simple.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A low-oxygen generator is characterized by comprising a compressor, wherein an air inlet of the compressor is communicated with the outside through a one-way valve, an air outlet of the compressor is connected with an air inlet pipeline, the air inlet pipeline is connected with a separating valve, the separating valve is provided with a first output pipe and a second output pipe, a first electromagnetic valve A valve and a first electromagnetic valve B valve which are used for controlling the air inlet pipeline to be communicated with and disconnected from the first output pipe and the second output pipe are arranged in the separating valve, the first output pipe and the second output pipe are respectively connected with an A adsorption tower and a B adsorption tower, the other sides of the A adsorption tower and the B adsorption tower are provided with lower covers, the lower covers are provided with a first A gas limiting hole communicated with the A adsorption tower and a first B gas limiting hole communicated with the B adsorption tower, the first A gas limiting hole and the first B gas limiting hole are communicated with an oxygen outlet,

2. A hypoxic oxygen generator as claimed in claim 1, wherein the oxygen outlet is connected to a concentration regulating valve.

3. The hypoxia oxygen generator according to claim 1, wherein the adsorption tower A comprises an upper cover, an aluminum pipe and a lower cover, and a spring, a first filter paper, a molecular sieve, a second filter paper and a second filter are sequentially arranged between the upper cover and the lower cover in the aluminum pipe.

4. A hypoxia oxygen generator according to claim 1, wherein the lower cover is provided with a communicating groove, the communicating groove is communicated with the first a gas limiting hole and the first B gas limiting hole, and the communicating groove is further communicated with the oxygen outlet.