CN212864135U - Molecular sieve adsorption oxygen generation assembly - Google Patents
Molecular sieve adsorption oxygen generation assembly Download PDFInfo
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- CN212864135U CN212864135U CN202021461360.9U CN202021461360U CN212864135U CN 212864135 U CN212864135 U CN 212864135U CN 202021461360 U CN202021461360 U CN 202021461360U CN 212864135 U CN212864135 U CN 212864135U
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- molecular sieve
- sieve adsorption
- adsorption tower
- valve
- pressure equalizing
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- 238000001179 sorption measurement Methods 0.000 title claims abstract description 145
- 239000002808 molecular sieve Substances 0.000 title claims abstract description 137
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 title claims abstract description 137
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 33
- 239000001301 oxygen Substances 0.000 title claims abstract description 33
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 33
- 230000003584 silencer Effects 0.000 claims description 8
- 239000007789 gas Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 10
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 9
- 238000003795 desorption Methods 0.000 abstract description 3
- 238000010521 absorption reaction Methods 0.000 abstract description 2
- 230000002026 carminative effect Effects 0.000 abstract description 2
- 229910001873 dinitrogen Inorganic materials 0.000 abstract description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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- Separation Of Gases By Adsorption (AREA)
Abstract
The utility model discloses a molecular sieve adsorbs system oxygen subassembly, including molecular sieve adsorption tower, admission valve, discharge valve and pressure equalizing valve, the molecular sieve adsorption tower is provided with threely, and is the molecular sieve adsorption tower A, molecular sieve adsorption tower B and the molecular sieve adsorption tower C that set up side by side respectively, and the below of molecular sieve adsorption tower is provided with intake pipe and blast pipe. The utility model has the advantages that: through setting up three molecular sieve adsorption towers to there is the admission valve with intake-tube connection respectively, is connected with discharge valve with the blast pipe, is connected with the pressure equalizing valve between the adsorption tower, makes three adsorption towers can accomplish absorption, desorption, carminative working process in turn, in addition, is connected with the exhaust muffler through the exhaust end at the blast pipe, makes during exhaust rich nitrogen gas discharges the air through the exhaust muffler, and can reduce the noise that produces when exhausting.
Description
Technical Field
The utility model relates to an oxygen generation subassembly specifically is a molecular sieve adsorbs oxygen generation subassembly belongs to medical oxygen system equipment technical field.
Background
The oxygen-making raw material of the medical oxygen generator is air, the air is filtered and then enters a compressor for compression, the compressed high-pressure air is cooled and then enters an adsorption tower for adsorption and separation, a molecular sieve is arranged in the adsorption tower, nitrogen and carbon dioxide in the adsorption tower can be adsorbed by the molecular sieve, and the gas flowing out of the adsorption tower is oxygen with higher purity and can be used as medical oxygen.
The molecular sieve is adopted to perform adsorption oxygen generation, which is the key of an oxygen generator, and for the existing oxygen generation assembly, one molecular sieve adsorption tower is usually only provided with two molecular sieve adsorption towers, the oxygen generation rate is relatively low, and the nitrogen-rich gas generated in the oxygen generation process needs to be discharged into the air, while the existing discharge mode is direct discharge and can not process the noise generated during the exhaust.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a molecular sieve adsorbs system oxygen subassembly in order to solve above-mentioned problem.
The utility model discloses a following technical scheme realizes above-mentioned purpose: a molecular sieve adsorption oxygen generation assembly comprises three molecular sieve adsorption towers, an air inlet valve, an air outlet valve and a pressure equalizing valve, wherein the molecular sieve adsorption towers are respectively a molecular sieve adsorption tower A, a molecular sieve adsorption tower B and a molecular sieve adsorption tower C which are arranged side by side, an air inlet pipe and an air outlet pipe are arranged below the molecular sieve adsorption towers, the air inlet pipe is communicated with an air inlet arranged at the bottom end of the molecular sieve adsorption tower through a communicating pipe, the air inlet pipe is arranged on the communicating pipe between the air inlet arranged at the bottom end of the air inlet pipe and the bottom end of the molecular sieve adsorption tower, the air inlet valve is arranged on the communicating pipe between the air inlet arranged at the bottom end of the air inlet pipe and the bottom end of the molecular sieve adsorption tower, the air outlet valve is arranged on the communicating pipe between the air inlet arranged at the bottom end of the air outlet pipe and the bottom end of the molecular sieve adsorption tower, a pressure equalizing port is arranged on, the pressure equalizing port between the molecular sieve adsorption tower B and the molecular sieve adsorption tower C is communicated through a communicating pipe, the pressure equalizing port between the molecular sieve adsorption tower A and the molecular sieve adsorption tower C is communicated through a communicating pipe, and a pressure equalizing valve is installed on the communicating pipe between the pressure equalizing ports.
As a further aspect of the present invention: the admission valve includes admission valve A, admission valve B and admission valve C, just admission valve A connects between molecular sieve adsorption tower A and intake pipe, admission valve B connects between molecular sieve adsorption tower B and intake pipe, admission valve C connects between molecular sieve adsorption tower C and intake pipe.
As a further aspect of the present invention: discharge valve includes discharge valve A, discharge valve B and discharge valve C, just discharge valve A connects between molecular sieve adsorption tower A and blast pipe, discharge valve B connects between molecular sieve adsorption tower B and blast pipe, discharge valve C connects between molecular sieve adsorption tower C and blast pipe.
As a further aspect of the present invention: the pressure equalizing valve comprises a pressure equalizing valve A, a pressure equalizing valve B and a pressure equalizing valve C, the pressure equalizing valve A is connected to a communicating pipe between the molecular sieve adsorption tower A and the molecular sieve adsorption tower B, the pressure equalizing valve B is connected to a communicating pipe between the molecular sieve adsorption tower B and the molecular sieve adsorption tower C, and the pressure equalizing valve C is connected to a communicating pipe between the molecular sieve adsorption tower A and the molecular sieve adsorption tower C.
As a further aspect of the present invention: the exhaust end of the exhaust pipe is connected with an exhaust silencer, and the air outlet end of the exhaust silencer is connected with an exhaust joint.
As a further aspect of the present invention: and the top end of the molecular sieve adsorption tower is provided with an oxygen delivery joint.
The utility model has the advantages that: the molecular sieve adsorption oxygen generation assembly has reasonable design: through setting up three molecular sieve adsorption towers to there is the admission valve with intake-tube connection respectively, is connected with discharge valve with the blast pipe, is connected with the pressure equalizing valve between the adsorption tower, makes three adsorption towers can accomplish absorption, desorption, carminative working process in turn, in addition, is connected with the exhaust muffler through the exhaust end at the blast pipe, makes during exhaust rich nitrogen gas discharges the air through the exhaust muffler, and can reduce the noise that produces when exhausting.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1. molecular sieve adsorption towers A, 2, molecular sieve adsorption towers B, 3, molecular sieve adsorption towers C, 4, air inlet pipes, 5, air inlet valves A, 6, air inlet valves B, 7, air inlet valves C, 8, exhaust pipes, 9, exhaust valves A, 10, exhaust valves B, 11, exhaust valves C, 12, exhaust silencers, 13, exhaust connectors, 14, pressure equalizing ports, 15, communicating pipes, 16, pressure equalizing valves A, 17, pressure equalizing valves B, 18, pressure equalizing valves C and 19 and oxygen delivery connectors.
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.
Referring to fig. 1, a molecular sieve adsorption oxygen generation assembly comprises three molecular sieve adsorption towers, an air inlet valve, an air outlet valve and a pressure equalizing valve, wherein the molecular sieve adsorption towers are respectively a molecular sieve adsorption tower a1, a molecular sieve adsorption tower B2 and a molecular sieve adsorption tower C3 which are arranged side by side, an air inlet pipe 4 and an air outlet pipe 8 are arranged below the molecular sieve adsorption towers, the air inlet pipe 4 is communicated with an air inlet arranged at the bottom end of the molecular sieve adsorption tower through a communicating pipe 15, the air inlet pipe 15 arranged between the air inlet arranged at the bottom end of the molecular sieve adsorption tower and the air inlet arranged at the bottom end of the air inlet pipe 4 is provided with the air inlet valve, the air outlet pipe 8 is communicated with the air inlet arranged at the bottom end of the molecular sieve adsorption tower through another communicating pipe 15, the air outlet valve is arranged on the communicating pipe 15 arranged between the air inlet arranged at the bottom end of the air outlet, the pressure equalizing port 14 between the molecular sieve adsorption tower A1 and the molecular sieve adsorption tower B2 is communicated through a communicating pipe 15, the pressure equalizing port 14 between the molecular sieve adsorption tower B2 and the molecular sieve adsorption tower C3 is communicated through a communicating pipe 15, the pressure equalizing port 14 between the molecular sieve adsorption tower A1 and the molecular sieve adsorption tower C3 is communicated through a communicating pipe 15, and a pressure equalizing valve is installed on the communicating pipe 15 between the pressure equalizing ports 14.
Further, in the embodiment of the present invention, the air inlet valve includes an air inlet valve a5, an air inlet valve B6, and an air inlet valve C7, and the air inlet valve a5 is connected between the molecular sieve adsorption tower a1 and the air inlet pipe 4, the air inlet valve B6 is connected between the molecular sieve adsorption tower B2 and the air inlet pipe 4, and the air inlet valve C7 is connected between the molecular sieve adsorption tower C3 and the air inlet pipe 4, so as to control whether the molecular sieve adsorption tower is air-intake or not.
Further, in the embodiment of the present invention, the exhaust valve includes an exhaust valve a9, an exhaust valve B10 and an exhaust valve C11, and the exhaust valve a9 is connected between the molecular sieve adsorption tower a1 and the exhaust pipe 8, the exhaust valve B10 is connected between the molecular sieve adsorption tower B2 and the exhaust pipe 8, and the exhaust valve C11 is connected between the molecular sieve adsorption tower C3 and the exhaust pipe 8, so as to control whether the molecular sieve adsorption tower exhausts or not.
Further, in the embodiment of the utility model, the pressure equalizing valve includes pressure equalizing valve A16, pressure equalizing valve B17 and pressure equalizing valve C18, just pressure equalizing valve A16 is connected on communicating pipe 15 between molecular sieve adsorption tower A1 and molecular sieve adsorption tower B2, pressure equalizing valve B17 is connected on communicating pipe 15 between molecular sieve adsorption tower B2 and molecular sieve adsorption tower C3, pressure equalizing valve C18 is connected on communicating pipe 15 between molecular sieve adsorption tower A1 and molecular sieve adsorption tower C3, can form the conveying that the pressure differential realized the air current between two towers, pressurizes in turn and adsorbs and decompress the regeneration to obtain the continuous oxygen stream of contact.
Further, in the embodiment of the present invention, the exhaust end of the exhaust pipe 8 is connected to an exhaust silencer 12, and the exhaust end of the exhaust silencer 12 is connected to an exhaust joint 13, so that the exhausted nitrogen-rich gas is discharged to the air through the exhaust silencer 12, and the noise generated during the exhaust can be reduced.
Further, in the embodiment of the present invention, the top end of the molecular sieve adsorption tower is provided with an oxygen delivery joint 19, which can be connected with the next link to output oxygen.
The working principle is as follows: when the molecular sieve adsorption oxygen generation assembly is used, the working processes of adsorption, desorption and exhaust are alternately completed by three adsorption towers by adopting a pressure swing adsorption principle, the working process of a molecular sieve adsorption tower A1, the working process of a molecular sieve adsorption tower B2, the working process of a molecular sieve adsorption tower C3 and the working process of each adsorption tower are composed of four steps, and the working process of the molecular sieve adsorption tower A1 is taken as an example.
Step 1: the molecular sieve adsorption tower A1 is fed with air, the molecular sieve adsorption tower C3 is exhausted, and at the moment, the pressure of the molecular sieve adsorption tower A1 and the pressure of the molecular sieve adsorption tower B2 are equalized by opening an air inlet valve A5, an air outlet valve C11 and a pressure equalizing valve A16;
step 2: the molecular sieve adsorption tower A1 is fed with air, the molecular sieve adsorption tower C3 is exhausted, at the moment, an air inlet valve A5, an air outlet valve C11 and a pressure equalizing valve B17 are opened, and the molecular sieve adsorption tower B2 and the molecular sieve adsorption tower C3 are equalized with pressure;
and step 3: the molecular sieve adsorption tower A1 is fed with air, an air inlet valve A5 and a pressure equalizing valve B17 are opened at the moment, and the molecular sieve adsorption tower B2 and the molecular sieve adsorption tower C3 are subjected to pressure equalizing and equalizing;
and 4, step 4: the molecular sieve adsorption tower A1 is fed with air, the molecular sieve adsorption tower B2 is exhausted, at the moment, an air inlet valve A5, an air outlet valve B10 and a pressure equalizing valve C18 are opened, and the molecular sieve adsorption tower A1 and the molecular sieve adsorption tower C3 are pressure equalized;
the oxygen produced by the three towers is output to the next link through a top oxygen transmission joint 19, and the exhausted nitrogen-rich gas is exhausted to the air through an exhaust silencer 12.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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 (6)
1. The molecular sieve adsorption oxygen generation assembly comprises a molecular sieve adsorption tower, an air inlet valve, an exhaust valve and a pressure equalizing valve, and is characterized in that the molecular sieve adsorption tower is provided with three molecular sieve adsorption towers, namely a molecular sieve adsorption tower A (1), a molecular sieve adsorption tower B (2) and a molecular sieve adsorption tower C (3) which are arranged side by side, an air inlet pipe (4) and an exhaust pipe (8) are arranged below the molecular sieve adsorption tower, the air inlet pipe (4) is communicated with an air inlet formed at the bottom end of the molecular sieve adsorption tower through a communicating pipe (15), the air inlet valve is arranged on the communicating pipe (15) between the air inlets formed at the bottom ends of the air inlet pipe (4) and the molecular sieve adsorption tower, the exhaust pipe (8) is communicated with the air inlet formed at the bottom end of the molecular sieve adsorption tower through another communicating pipe (15), and the exhaust valve is arranged on the communicating pipe (15) between the air inlets formed at the bottom ends, the pressure equalizing device is characterized in that a pressure equalizing port (14) is formed in a tower body of the molecular sieve adsorption tower, the pressure equalizing port (14) between the molecular sieve adsorption tower A (1) and the molecular sieve adsorption tower B (2) is communicated through a communicating pipe (15), the pressure equalizing port (14) between the molecular sieve adsorption tower B (2) and the molecular sieve adsorption tower C (3) is communicated through the communicating pipe (15), the pressure equalizing port (14) between the molecular sieve adsorption tower A (1) and the molecular sieve adsorption tower C (3) is communicated through the communicating pipe (15), and a pressure equalizing valve is installed on the communicating pipe (15) between the pressure equalizing ports (14).
2. The molecular sieve adsorption oxygen generation assembly of claim 1, wherein the air intake valve comprises an air intake valve A (5), an air intake valve B (6) and an air intake valve C (7), and the air intake valve A (5) is connected between the molecular sieve adsorption tower A (1) and the air intake pipe (4), the air intake valve B (6) is connected between the molecular sieve adsorption tower B (2) and the air intake pipe (4), and the air intake valve C (7) is connected between the molecular sieve adsorption tower C (3) and the air intake pipe (4).
3. The molecular sieve adsorption oxygen generation assembly of claim 1, wherein the vent valve comprises a vent valve A (9), a vent valve B (10) and a vent valve C (11), and the vent valve A (9) is connected between the molecular sieve adsorption tower A (1) and the vent pipe (8), the vent valve B (10) is connected between the molecular sieve adsorption tower B (2) and the vent pipe (8), and the vent valve C (11) is connected between the molecular sieve adsorption tower C (3) and the vent pipe (8).
4. The molecular sieve adsorption oxygen generation assembly of claim 1, wherein the pressure equalizing valve comprises a pressure equalizing valve A (16), a pressure equalizing valve B (17) and a pressure equalizing valve C (18), and the pressure equalizing valve A (16) is connected to a communicating pipe (15) between the molecular sieve adsorption tower A (1) and the molecular sieve adsorption tower B (2), the pressure equalizing valve B (17) is connected to a communicating pipe (15) between the molecular sieve adsorption tower B (2) and the molecular sieve adsorption tower C (3), and the pressure equalizing valve C (18) is connected to a communicating pipe (15) between the molecular sieve adsorption tower A (1) and the molecular sieve adsorption tower C (3).
5. The molecular sieve adsorption oxygen generation assembly of claim 1, wherein the exhaust end of the exhaust pipe (8) is connected with an exhaust silencer (12), and the gas outlet end of the exhaust silencer (12) is connected with an exhaust joint (13).
6. The molecular sieve adsorption oxygen generation assembly of claim 1, wherein the top end of the molecular sieve adsorption column is provided with an oxygen delivery joint (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021461360.9U CN212864135U (en) | 2020-07-22 | 2020-07-22 | Molecular sieve adsorption oxygen generation assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021461360.9U CN212864135U (en) | 2020-07-22 | 2020-07-22 | Molecular sieve adsorption oxygen generation assembly |
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| Publication Number | Publication Date |
|---|---|
| CN212864135U true CN212864135U (en) | 2021-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021461360.9U Active CN212864135U (en) | 2020-07-22 | 2020-07-22 | Molecular sieve adsorption oxygen generation assembly |
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| CN (1) | CN212864135U (en) |
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- 2020-07-22 CN CN202021461360.9U patent/CN212864135U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A molecular sieve adsorption oxygen production component Effective date of registration: 20230602 Granted publication date: 20210402 Pledgee: Bank of China Limited Beihai branch Pledgor: GUANGXI XINYU RUILIN MEDICAL TECHNOLOGY Co.,Ltd. Registration number: Y2023450000083 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20210402 Pledgee: Bank of China Limited Beihai branch Pledgor: GUANGXI XINYU RUILIN MEDICAL TECHNOLOGY Co.,Ltd. Registration number: Y2023450000083 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A molecular sieve adsorption oxygen production component Granted publication date: 20210402 Pledgee: Bank of China Limited Beihai branch Pledgor: GUANGXI XINYU RUILIN MEDICAL TECHNOLOGY Co.,Ltd. Registration number: Y2024450000042 |