CN215974958U - Oxygen-nitrogen separation device and oxygenerator - Google Patents
Oxygen-nitrogen separation device and oxygenerator Download PDFInfo
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- CN215974958U CN215974958U CN202121044799.6U CN202121044799U CN215974958U CN 215974958 U CN215974958 U CN 215974958U CN 202121044799 U CN202121044799 U CN 202121044799U CN 215974958 U CN215974958 U CN 215974958U
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Abstract
The utility model relates to an oxygen-nitrogen separation device and an oxygen generator, belonging to the technical field of oxygen generation, and comprising an adsorption component, a nitrogen separation component and a nitrogen generator, wherein the adsorption component is used for adsorbing nitrogen in oxygen; and the back flushing component is connected with the adsorption component and is used for back flushing the adsorption component. The embedded back-blowing oxygen storage tank is arranged to provide a close-range sufficient oxygen source for back blowing, so that the back blowing is more sufficient, the prepared oxygen concentration is higher, and the service life of the molecular sieve is longer.
Description
Technical Field
The utility model relates to the technical field of oxygen generation, in particular to an oxygen-nitrogen separation device and an oxygen generator.
Background
The oxygen generation is realized by adopting the adsorption performance of a molecular sieve and taking a large-discharge oil-free compressor as power through a physical principle to separate nitrogen and oxygen in air, and finally high-concentration oxygen is obtained.
The oxygen-nitrogen separation system of the small-sized oxygen generator is mostly designed by separating the whole separation system, most of the oxygen-nitrogen separation system does not contain a back-flushing system, and even if a back-flushing system exists individually, a flow one-way valve is also needed.
The separate design and application of the oxygen-nitrogen separation system of the existing small-sized oxygen generator can cause excessive components, excessive conduit connection, complex assembly and more fault points; and the back-blowing system is not available or is not scientifically designed, and the back-blowing system is provided with a flow check valve, so that the back-blowing is not thorough, the oxygen concentration produced as a result is not high, and the service life of the molecular sieve is not long.
SUMMERY OF THE UTILITY MODEL
The present invention aims to provide an oxygen-nitrogen separation device and an oxygen generator, so as to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme:
an oxygen-nitrogen separation device comprising:
the adsorption component is used for adsorbing nitrogen in oxygen;
and the back flushing component is connected with the adsorption component and is used for back flushing the adsorption component.
As a further aspect of the present invention, the adsorption module includes:
the adsorption piece is used for adsorbing nitrogen in oxygen;
and the filtering parts are arranged at two ends of the adsorption part and used for filtering the gas passing through the adsorption part.
As a further aspect of the present invention, the adsorption member includes:
one end of the first adsorption tower is provided with a first air inlet, and the other end of the first adsorption tower is provided with a first air outlet;
the second adsorption tower is connected with the first adsorption tower in parallel, one end of the second adsorption tower is provided with a second air inlet, and the other end of the second adsorption tower is provided with a second air outlet;
molecular sieves arranged in the first adsorption tower and the second adsorption tower;
the lower cover plate is arranged at one end of the first adsorption tower and used for connecting and fixing the first adsorption tower and the second adsorption tower;
and the upper cover plate is arranged at one end of the lower cover plate far away from the first adsorption tower and is used for fixedly connecting the first adsorption tower and the second adsorption tower.
As still further aspect of the present invention, the filter member includes:
the first filtering unit is arranged at one end of the first adsorption tower and one end of the second adsorption tower; and
and the second filtering unit is arranged at one end of the first adsorption tower and one end of the second adsorption tower, which is far away from the first filtering unit.
As a still further aspect of the present invention, the first filter unit includes:
the lower bracket is fixedly arranged in the first adsorption tower and the second adsorption tower;
and the first non-woven cloth is arranged on the lower bracket and is used for filtering the entering gas.
As a still further aspect of the present invention, the second filter unit includes:
the upper bracket is slidably arranged in the first adsorption tower and the second adsorption tower;
the second non-woven fabric is arranged on the upper bracket and is used for filtering the entering gas;
and one end of the spring is connected with the upper bracket, and the other end of the spring is connected with the upper cover plate.
As a further technical solution of the present invention, the back flushing assembly includes:
the back flushing unit is arranged on the lower cover plate and is used for communicating the first adsorption tower with the second adsorption tower;
an oxygen storage unit;
and one end of the connecting unit is connected with the back blowing unit, and the other end of the connecting unit is connected with the oxygen storage unit.
An oxygen generator comprises a machine body, wherein the oxygen-nitrogen separation device is arranged in the machine body.
Compared with the prior art, the utility model has the beneficial effects that: through setting up embedded blowback oxygen storage tank, for the blowback provides closely sufficient oxygen source, make the blowback more abundant, the oxygen concentration of making is higher, molecular sieve life is longer.
Drawings
FIG. 1 is a front sectional view of an oxygen-nitrogen separation apparatus;
FIG. 2 is a side sectional view of the oxygen-nitrogen separation apparatus.
In the figure: 1-section bar, 2-first non-woven fabric, 3-lower support, 4-first sealing ring, 5-flow throttle valve, 6-lower cover plate, 7-first screw, 8-molecular sieve, 9-second non-woven fabric, 10-upper support, 11-spring, 12-second sealing ring, 13-upper cover plate, 14-second screw, 15-third sealing ring, 16-embedded back-blowing oxygen storage tank, 17-third screw, 18-silica gel tube, 19-oxygen storage tank lower cover, 20-fourth sealing ring, 21-oxygen storage tank main body, A-first adsorption tower, B-second adsorption tower, C-first air inlet, D-second air inlet, E-first air outlet, F-second air outlet, G-air cavity, G-second air inlet, C-second air inlet, E-first air outlet, F-second air outlet, C-air cavity, C-second air inlet, E-second air outlet, C-air cavity, C-second air cavity, C-second air cavity, and C-second air cavity, H-a third air inlet and I-a third air outlet.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
The embodiment of the present invention is realized in such a manner that the oxygen-nitrogen separation apparatus shown in fig. 1 includes:
the adsorption component is used for adsorbing nitrogen in oxygen;
and the back flushing component is connected with the adsorption component and is used for back flushing the adsorption component.
This embodiment is when practical application, handles gaseous through the adsorption component, adsorbs nitrogen gas in the oxygen, and the oxygen deposit that obtains is in the back flush subassembly for deposit and back flush use, make the blowback more thorough, thereby improved adsorption component's life.
As shown in fig. 1, as a preferred embodiment of the present invention, the adsorption assembly includes:
the adsorption piece is used for adsorbing nitrogen in oxygen;
and the filtering parts are arranged at two ends of the adsorption part and used for filtering the gas passing through the adsorption part.
In the condition of this embodiment, filter the gas that gets into the adsorption component through filtering, avoid influencing adsorption effect, guarantee that the adsorption component can stably adsorb nitrogen gas.
As shown in fig. 1 and 2, as another preferred embodiment of the present invention, the adsorbing member includes:
one end of the first adsorption tower A is provided with a first air inlet C, and the other end of the first adsorption tower A is provided with a first air outlet E;
the second adsorption tower B is connected with the first adsorption tower A in parallel, one end of the second adsorption tower B is provided with a second air inlet D, and the other end of the second adsorption tower B is provided with a second air outlet F;
the molecular sieve 8 is arranged in the first adsorption tower A and the second adsorption tower B;
the lower cover plate 6 is arranged at one end of the first adsorption tower A and is used for connecting and fixing the first adsorption tower A and the second adsorption tower B;
and the upper cover plate 13 is arranged at one end of the lower cover plate 6 far away from the first adsorption tower A and is used for connecting and fixing the first adsorption tower A and the second adsorption tower B.
In one case of this embodiment, the first adsorption tower a and the second adsorption tower B are both made of a section bar 11, preferably made of aluminum, and in order to improve connection sealing performance, a first sealing ring 4 and a second sealing ring 12 are respectively arranged at two ends of the first adsorption tower a and the second adsorption tower B, the first sealing ring 4 is arranged between the first adsorption tower a and the second adsorption tower B and the lower cover plate 6 and is fixedly connected through a first screw 7, and the second sealing ring 12 is arranged between the first adsorption tower a and the second adsorption tower B and the upper cover plate 13 and is fixedly connected through a second screw 14; the first adsorption tower A and the second adsorption tower B are fixed in parallel through the matching of the lower cover plate 6 and the upper cover plate 13, and when oxygen and nitrogen separation is normally carried out, high-pressure air from a compressor flows into the first adsorption tower A and the second adsorption tower B in different time periods after the direction is switched by the reversing rotary valve; in the first half of the process, high-pressure air flows into the first adsorption tower A from the first air inlet C, after the molecular sieve 8 in the first adsorption tower A fully adsorbs nitrogen, high-concentration oxygen flows out from the first air outlet E and enters the backwashing component, part of oxygen in the backwashing component reversely flows into the second adsorption tower B from the second air outlet F, the molecular sieve 8 in the second adsorption tower B is subjected to backwashing, and the nitrogen adsorbed in the molecular sieve 8 in the second adsorption tower B is discharged from the second air inlet D until the first half of adsorption, desorption and backwashing are completed; in the second half of the process, high-pressure air flows into the second adsorption tower B from the second air inlet D, after the molecular sieve 8 in the second adsorption tower fully adsorbs nitrogen, high-concentration oxygen flows out from the second air outlet F and enters the backwashing component, part of oxygen in the backwashing component reversely flows into the first adsorption tower A from the first air outlet E, the molecular sieve 8 in the first adsorption tower A is subjected to backwashing cleaning, the nitrogen adsorbed in the molecular sieve 8 in the first adsorption tower A is discharged from the first air inlet C, and the adsorption, desorption and backwashing in the second half are completed.
As another preferred embodiment of the present invention, as shown in fig. 1, the filter member includes:
a first filtering unit arranged at one end of the first adsorption tower A and one end of the second adsorption tower B; and
and the second filtering unit is arranged at one end of the first adsorption tower A and the second adsorption tower B far away from the first filtering unit.
In one case of this embodiment, that is, the first filtering unit and the second filtering unit are respectively disposed at two ends of the first adsorption tower a and the second adsorption tower B to respectively filter the entering gas from two ends, so as to ensure efficient and stable operation of separation and backwashing.
As shown in fig. 1, as another preferred embodiment of this embodiment, the first filter unit includes:
the lower bracket 3 is fixedly arranged in the first adsorption tower A and the second adsorption tower B;
and a first non-woven fabric 2 installed on the lower frame 3 for filtering the gas introduced.
In the one kind of the embodiment, fix first non-woven fabrics 2 through lower carriage 3, guarantee that first non-woven fabrics 2 can stably filter, make things convenient for whole taking off to maintain.
As shown in fig. 1, as another preferred embodiment of this embodiment, the second filtering unit includes:
an upper frame 10 slidably mounted in the first adsorption tower a and the second adsorption tower B;
a second non-woven fabric 9 mounted on the upper frame 10 for filtering the gas introduced;
and one end of the spring 11 is connected with the upper bracket 10, and the other end of the spring is connected with the upper cover plate 13.
In the one aspect of this embodiment, fix second non-woven fabrics 9 through upper bracket 10, guarantee that second non-woven fabrics 9 can stably filter, spring 11's setting can cushion, and the convenience is maintained the change to whole.
As shown in fig. 1 and 2, as another preferred embodiment of this embodiment, the back flushing assembly includes:
the back flushing unit is arranged on the lower cover plate 6 and is used for communicating the first adsorption tower A with the second adsorption tower B;
an oxygen storage unit;
and one end of the connecting unit is connected with the back blowing unit, and the other end of the connecting unit is connected with the oxygen storage unit.
In one aspect of this embodiment, the back flushing unit may be an embedded back flushing oxygen storage tank 16 as shown in fig. 1, which communicates the first adsorption tower a and the second adsorption tower B through the first air outlet E and the second air outlet F, in order to ensure the back flushing effect, flow throttle valves 5 are installed in both the first air outlet E and the second air outlet F, and in order to ensure the connection tightness, a third sealing ring 15 is installed between the embedded back flushing oxygen storage tank 16 and the lower cover plate 6, and is connected and fixed through a third screw 17; the oxygen storage unit can be an oxygen storage tank main body 21, for convenient maintenance, an oxygen storage tank lower cover 19 is fixedly arranged at the bottom of the oxygen storage tank main body 21, the oxygen storage tank lower cover 19 is connected with the oxygen storage tank main body 21 through a fourth sealing ring 20, and a third air outlet I is arranged at the upper end of the oxygen storage tank main body 21; the connecting unit can be a silicone tube 18, an air cavity G is formed in the connecting unit, one end of the air cavity G is communicated with the oxygen storage tank main body 21, the other end of the air cavity G is communicated with a third air inlet H on the lower cover 19 of the oxygen storage tank, high-concentration oxygen flows out of a first air outlet E and enters an embedded back-blowing oxygen storage tank 16 during the first half-way adsorption, desorption and back-blowing, a part of oxygen flows into the oxygen storage tank main body 21 through the air cavity G, a part of oxygen reversely flows into a second adsorption tower B from a second air outlet F, and back-blowing cleaning is carried out on the molecular sieve 8 in the second adsorption tower B, so that nitrogen adsorbed in the molecular sieve 8 in the second adsorption tower B is discharged from the second air inlet D; during the next half of adsorption, desorption and back flushing, high-concentration oxygen flows out of the second air outlet F and enters the embedded back flushing oxygen storage tank 16, a part of oxygen flows into the oxygen storage tank main body 21 through the air cavity G, a part of oxygen reversely flows into the first adsorption tower A from the second air outlet F, the molecular sieve 8 in the first adsorption tower A is subjected to back flushing cleaning, and nitrogen adsorbed in the molecular sieve 8 in the first adsorption tower A is discharged from the first air inlet C; according to the whole oxygen making process, the embedded back-blowing oxygen storage tank 16 provides a short-distance sufficient oxygen source for back-blowing, so that the back-blowing effect is optimal.
The embodiment provides an oxygen generator, which comprises a machine body, wherein the oxygen-nitrogen separation device is installed in the machine body, and the service life of an adsorption assembly is prolonged through the oxygen-nitrogen separation device, so that the service life of the oxygen generator is prolonged.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. An oxygen-nitrogen separation apparatus, comprising:
the adsorption component is used for adsorbing nitrogen in oxygen;
the backwashing component is connected with the adsorption component and is used for backwashing the adsorption component;
the adsorption assembly includes:
the adsorption piece is used for adsorbing nitrogen in oxygen;
the filtering pieces are arranged at two ends of the adsorption piece and are used for filtering the gas passing through the adsorption piece;
the adsorption member includes:
one end of the first adsorption tower is provided with a first air inlet, and the other end of the first adsorption tower is provided with a first air outlet;
the second adsorption tower is connected with the first adsorption tower in parallel, one end of the second adsorption tower is provided with a second air inlet, and the other end of the second adsorption tower is provided with a second air outlet;
molecular sieves arranged in the first adsorption tower and the second adsorption tower;
the lower cover plate is arranged at one end of the first adsorption tower and used for connecting and fixing the first adsorption tower and the second adsorption tower;
the upper cover plate is arranged at one end, far away from the lower cover plate, of the first adsorption tower and is used for fixedly connecting the first adsorption tower with the second adsorption tower;
the back flushing assembly comprises:
the back flushing unit is arranged on the lower cover plate and is used for communicating the first adsorption tower with the second adsorption tower;
an oxygen storage unit;
and one end of the connecting unit is connected with the back blowing unit, and the other end of the connecting unit is connected with the oxygen storage unit.
2. The oxygen-nitrogen separation device according to claim 1, wherein the filter member includes:
the first filtering unit is arranged at one end of the first adsorption tower and one end of the second adsorption tower; and
and the second filtering unit is arranged at one end of the first adsorption tower and one end of the second adsorption tower, which is far away from the first filtering unit.
3. The oxygen-nitrogen separation device according to claim 2, wherein the first filter unit includes:
the lower bracket is fixedly arranged in the first adsorption tower and the second adsorption tower;
and the first non-woven cloth is arranged on the lower bracket and is used for filtering the entering gas.
4. The oxygen-nitrogen separation device according to claim 2, wherein the second filter unit includes:
the upper bracket is slidably arranged in the first adsorption tower and the second adsorption tower;
the second non-woven fabric is arranged on the upper bracket and is used for filtering the entering gas;
and one end of the spring is connected with the upper bracket, and the other end of the spring is connected with the upper cover plate.
5. An oxygen generator comprising a body, wherein the oxygen-nitrogen separation device according to any one of claims 1 to 4 is installed in the body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121044799.6U CN215974958U (en) | 2021-05-17 | 2021-05-17 | Oxygen-nitrogen separation device and oxygenerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121044799.6U CN215974958U (en) | 2021-05-17 | 2021-05-17 | Oxygen-nitrogen separation device and oxygenerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215974958U true CN215974958U (en) | 2022-03-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121044799.6U Active CN215974958U (en) | 2021-05-17 | 2021-05-17 | Oxygen-nitrogen separation device and oxygenerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215974958U (en) |
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2021
- 2021-05-17 CN CN202121044799.6U patent/CN215974958U/en active Active
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