CN111170281A - Oxygen generation system - Google Patents
Oxygen generation system Download PDFInfo
- Publication number
- CN111170281A CN111170281A CN202010147171.2A CN202010147171A CN111170281A CN 111170281 A CN111170281 A CN 111170281A CN 202010147171 A CN202010147171 A CN 202010147171A CN 111170281 A CN111170281 A CN 111170281A
- Authority
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- China
- Prior art keywords
- cover plate
- generation system
- oxygen generation
- upper cover
- fixedly connected
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 60
- 239000001301 oxygen Substances 0.000 title claims abstract description 60
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 60
- 239000002808 molecular sieve Substances 0.000 claims abstract description 39
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims abstract description 39
- 238000007789 sealing Methods 0.000 claims description 60
- 239000007789 gas Substances 0.000 claims description 9
- 230000001105 regulatory effect Effects 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 2
- 229910052782 aluminium Inorganic materials 0.000 abstract description 2
- 239000003570 air Substances 0.000 description 20
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 14
- 229910052757 nitrogen Inorganic materials 0.000 description 7
- 238000001179 sorption measurement Methods 0.000 description 6
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 5
- 235000017491 Bambusa tulda Nutrition 0.000 description 5
- 241001330002 Bambuseae Species 0.000 description 5
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 5
- 239000011425 bamboo Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 239000002156 adsorbate Substances 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B13/00—Oxygen; Ozone; Oxides or hydroxides in general
- C01B13/02—Preparation of oxygen
- C01B13/0229—Purification or separation processes
- C01B13/0248—Physical processing only
- C01B13/0259—Physical processing only by adsorption on solids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
- B01D53/047—Pressure swing adsorption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
- B01D53/047—Pressure swing adsorption
- B01D53/053—Pressure swing adsorption with storage or buffer vessel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/106—Silica or silicates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/116—Molecular sieves other than zeolites
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2210/00—Purification or separation of specific gases
- C01B2210/0043—Impurity removed
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2210/00—Purification or separation of specific gases
- C01B2210/0043—Impurity removed
- C01B2210/0046—Nitrogen
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2210/00—Purification or separation of specific gases
- C01B2210/0043—Impurity removed
- C01B2210/0051—Carbon dioxide
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P30/00—Technologies relating to oil refining and petrochemical industry
Landscapes
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Separation Of Gases By Adsorption (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
The invention discloses an oxygen generation system which comprises a combination valve, at least one molecular sieve and an oxygen storage tank, wherein the combination valve is fixedly connected with the molecular sieve, one surface of the combination valve, which is back to the molecular sieve, is provided with an air inlet and an air outlet, and one surface of the combination valve, which is facing to the molecular sieve, is provided with an A port and a B port; the molecular sieve comprises an upper cover plate, a sieve barrel fixedly connected with the upper cover plate and a lower cover plate fixedly connected with the sieve barrel, wherein a first hole communicated with the port A and a second hole communicated with the port B are formed in the upper cover plate. The oxygen generation system provided by the invention cancels the structure that the combination valve and the upper cover plate in the existing oxygen generation system are connected with the aluminum pipe through the quick connector, eliminates the hidden danger of air leakage, and greatly improves the stability of the whole oxygen generation system.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to an oxygen generation system.
Background
The oxygen generating system is also called as a molecular sieve Pressure Swing Adsorption (PSA) oxygen generating system, which takes molecular sieve (molecular sieve) as an adsorbent, takes ambient air as a raw material through a Pressure Swing Adsorption (PSA), and forms a rapid cycle process of pressure adsorption and pressure reduction desorption by utilizing the characteristics that the adsorption capacity of the molecular sieve for nitrogen (adsorbate) in the air is increased and the adsorption capacity for nitrogen in the air is reduced when the molecular sieve is pressurized and the adsorption capacity for nitrogen in the air is reduced under the conditions of normal temperature and low pressure, so that oxygen and nitrogen in the air are separated, carbon dioxide, gaseous acid, other gaseous oxides and the like in the air belong to substances with strong molecular polarity, and the oxygen generated by the molecular sieve hardly passes through the molecular sieve, so that the purity of the oxygen reaches more than 93% v/v.
The scheme of the existing oxygen generation system comprises a pneumatic combination valve and an oxygen generation assembly, the pneumatic combination valve and the oxygen generation assembly are connected through a quick connector, the whole machine aging test on the oxygen generation system is found, the air leakage problem exists in the quick connector between the pneumatic combination valve and the oxygen generation assembly, and the whole machine oxygen generation performance is greatly reduced.
Disclosure of Invention
The technical problem to be solved by the invention is to provide an oxygen generation system, which eliminates the hidden air leakage problem of a quick connector connecting structure in the existing oxygen generation system scheme and improves the oxygen generation stability of the whole oxygen generation system.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
the invention provides an oxygen generation system which comprises a combination valve, at least one molecular sieve and an oxygen storage tank, wherein the combination valve is fixedly connected with the molecular sieve, one surface of the combination valve, which is back to the molecular sieve, is provided with an air inlet and an air outlet, and one surface of the combination valve, which is facing to the molecular sieve, is provided with an A port and a B port; the molecular sieve comprises an upper cover plate, a sieve barrel fixedly connected with the upper cover plate and a lower cover plate fixedly connected with the sieve barrel, wherein a first hole communicated with the opening A and a second hole communicated with the opening B are formed in the upper cover plate, a first sealing ring is arranged on the periphery of the first hole, a second sealing ring is arranged on the periphery of the second hole, the opening A passes through the first sealing ring and is fixedly connected with the first hole in a sealing manner, the opening B passes through the second sealing ring and is fixedly connected with the second hole in a sealing manner, and the oxygen storage tank and the lower cover plate are fixedly connected.
Furthermore, a first ring groove used for containing the first sealing ring is formed in the periphery of the first hole, and a second ring groove used for containing the second sealing ring is formed in the periphery of the second hole.
Further, a connecting strip is arranged between the first sealing ring and the second sealing ring, and the first sealing ring is fixedly connected with the second sealing ring through the connecting strip.
Furthermore, a groove for accommodating the connecting strip is formed in the upper cover.
Further, first sealing washer, connecting strip and second sealing washer integrated into one piece.
Furthermore, one surface of the upper cover plate, which is back to the screen drum, is provided with a plurality of groove structures.
Furthermore, the upper cover plate and the one side of a sieve section of thick bamboo fixed connection offer with a sieve section of thick bamboo upper end mouth complex sealed draw-in groove, sealed draw-in groove including be used for with sieve section of thick bamboo outer wall matched with recess, be used for fixed sieve section of thick bamboo in the arc structure of sieve core and with the communicating gas passage of a sieve section of thick bamboo, the arc structure is located recess inner zone, gas passage follows upper cover plate length direction extends.
Further, the groove comprises a groove outer wall, a groove bottom plate and a groove inner wall, and the height of the groove outer wall is larger than that of the groove inner wall.
Further, the number of the molecular sieves is 2, and the molecular sieves comprise a first sieve cylinder and a second sieve cylinder, wherein the first sieve cylinder and the second sieve cylinder are symmetrically arranged along the central line of the upper cover plate.
Further, the oxygen storage tank is located between the first sieve cylinder and the second sieve cylinder, and a pressure regulating valve is arranged at the upper end of the oxygen storage tank.
Compared with the prior art, the technical scheme of the invention has the following advantages and beneficial effects: the invention provides an oxygen generation system which comprises a combination valve, at least one molecular sieve and an oxygen storage tank, wherein the combination valve is fixedly connected with the molecular sieve, one surface of the combination valve, which is back to the molecular sieve, is provided with an air inlet and an air outlet, and one surface of the combination valve, which is facing to the molecular sieve, is provided with an A port and a B port; the molecular sieve comprises an upper cover plate, a sieve barrel fixedly connected with the upper cover plate and a lower cover plate fixedly connected with the sieve barrel, wherein a first hole communicated with the opening A and a second hole communicated with the opening B are formed in the upper cover plate, a first sealing ring is arranged on the periphery of the first hole, a second sealing ring is arranged on the periphery of the second hole, the opening A passes through the first sealing ring and is fixedly connected with the first hole in a sealing manner, the opening B passes through the second sealing ring and is fixedly connected with the second hole in a sealing manner, and the oxygen storage tank and the lower cover plate are fixedly connected. The oxygen generation system provided by the invention cancels the structure that the combination valve and the upper cover plate in the existing oxygen generation system are connected with the aluminum pipe through the quick connector, eliminates the hidden danger of air leakage, and greatly improves the stability of the whole oxygen generation system.
Drawings
FIG. 1 is a schematic front view of an oxygen generation system in an embodiment;
FIG. 2 is a left side view of FIG. 1;
FIG. 3 is a schematic perspective view of a combination valve according to an embodiment;
FIG. 4 is another perspective view of the combination valve of the embodiment;
FIG. 5 is a schematic perspective view of the molecular sieve in the example;
FIG. 6 is an enlarged view of a portion of FIG. 5 at A;
FIG. 7 is a schematic bottom view of the upper cover plate of the embodiment;
fig. 8 is a schematic front view of an upper cover plate in the embodiment.
In the figure: 1-a combination valve; 11-an air inlet; 12-an exhaust port; 13-A port; port 14-B; 2-a molecular sieve; 21-upper cover plate; 211 — a first hole; 212-a second aperture; 22-a screen cylinder; 221-a first screen cylinder; 222-a second screen cylinder; 23-a lower cover plate; 24-a first sealing ring; 241-first ring groove; 25-a second seal ring; 251-a second ring groove; 26-a connecting strip; 261-a first groove; 28-sealing the clamping groove; 281-second recess; 282-arc configuration; 283-a gas channel; 3-an oxygen storage tank; 31-a pressure regulating valve; 4-the outer wall of the groove; 5-a groove bottom plate; 6-inner wall of groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the terms "comprises" and "comprising," and any variations thereof, in the description and claims of the present invention and the above-described drawings, are intended to cover a non-exclusive inclusion, such that a process, method, apparatus, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly. To maintain the following description of the embodiments of the present invention clear and concise, a detailed description of known functions and known components of the invention have been omitted.
Examples
As shown in fig. 1-8, this embodiment provides an oxygen generation system, which includes a combination valve 1, a molecular sieve 2 and an oxygen storage tank 3, wherein the combination valve 1 is fixedly connected to the molecular sieve 2 (in this embodiment, fixedly connected to a screw hole), an air inlet 11 and an air outlet 12 are disposed on a side of the combination valve 1 facing away from the molecular sieve 2, the air inlet 11 is used for inputting air into the combination valve 1, and the air outlet 12 is used for discharging nitrogen from the combination valve 1; one surface of the combination valve 1 facing the molecular sieve 2 is provided with an A port 13 and a B port 14, and the A port 13 and the B port 14 are used for inputting air into the molecular sieve 2 and discharging nitrogen; the molecular sieve 2 comprises an upper cover plate 21, a sieve cylinder 22 fixedly connected with the upper cover plate 21 and a lower cover plate 23 fixedly connected with the sieve cylinder 22, the upper cover plate 21 is provided with a first hole 211 communicated with the port A13 and a second hole 212 communicated with the port B14, and the first hole 211 and the second hole 212 are used for inputting air in the combination valve 1 into the molecular sieve 2 and outputting nitrogen fed back from the molecular sieve 2 to the combination valve 1; a first sealing ring 24 is arranged on the periphery of the first hole 211, a second sealing ring 25 is arranged on the periphery of the second hole 212, and the first sealing ring 24 and the second sealing ring 25 are respectively used for sealing the joints between the port A13 and the first hole 211 and between the port B14 and the second hole 212; the port a 13 is fixedly connected with the first hole 211 in a sealing manner through the first sealing ring 24, the port B14 is fixedly connected with the second hole 212 in a sealing manner through the second sealing ring 25, and the oxygen storage tank 3 is fixedly connected with the lower cover plate 23.
In order to facilitate the installation and fixation of the sealing ring, in one embodiment, the first hole 211 has a first ring groove 241 for accommodating the first sealing ring 24, and the second hole 212 has a second ring groove 251 for accommodating the second sealing ring 25.
A plurality of independent sealing rings are easy to lose in the storage or installation process, in one embodiment, a connecting strip 26 is arranged between the first sealing ring 24 and the second sealing ring 25, the first sealing ring 24 and the second sealing ring 25 are fixedly connected through the connecting strip 26, and the two sealing rings are connected into a whole, so that the possibility of losing the sealing rings is effectively reduced, and meanwhile, the installation efficiency of the sealing rings is greatly improved.
To facilitate the installation of the connecting bar 26, in one embodiment, the upper cover 21 is opened with a first groove 261 for accommodating the connecting bar 26.
In order to increase the service life of the sealing ring, in one embodiment, the first sealing ring 24, the connecting strip 26 and the second sealing ring 25 are integrally formed.
In order to further reduce the production cost, save the material and reduce the overall quality of the oxygen production system, in one embodiment, the side of the upper cover plate 21 facing away from the screen cylinder 22 is provided with a plurality of groove structures 27.
In one embodiment, a sealing slot 28 matched with an upper port of the screen drum 22 is formed in one side of the upper cover plate 21 fixedly connected with the screen drum 22, the sealing slot 28 facilitates the fixed connection between the screen drum 22 and the upper cover plate 21, the sealing slot 28 includes a second groove 281 matched with an outer wall of the screen drum 22, an arc-shaped structure 282 used for fixing a screen core in the screen drum 22, and a gas channel 283 communicated with the screen drum 22, the arc-shaped structure 282 is located in an inner region of the second groove, the gas channel 283 is located in the inner region of the second groove, and the gas channel 283 extends along the length direction of the upper cover plate 21.
In one embodiment, the second groove 281 comprises a groove outer wall 1, a groove bottom plate 2 and a groove inner wall 3, and the height of the groove outer wall 1 is greater than that of the groove inner wall 3.
In one embodiment, the number of the screen cylinders 22 is 2, and the screen cylinders include a first screen cylinder 221 and a second screen cylinder 222, and the first screen cylinder 221 and the second screen cylinder 222 are symmetrically arranged along a center line of the upper cover plate 21.
In one embodiment, the oxygen storage tank 3 is located between the first sieve cylinder 221 and the second sieve cylinder 222, and a pressure regulating valve 31 is disposed at an upper end of the oxygen storage tank 3. The pressure regulating valve 31 is arranged, so that the oxygen pressure in the oxygen storage tank 3 can be regulated in real time, and the oxygen storage amount in the oxygen storage tank 3 can be conveniently controlled.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. An oxygen generation system comprises a combination valve, at least one molecular sieve and an oxygen storage tank, wherein the combination valve is fixedly connected with the molecular sieve; the molecular sieve comprises an upper cover plate, a sieve barrel fixedly connected with the upper cover plate and a lower cover plate fixedly connected with the sieve barrel, wherein a first hole communicated with the opening A and a second hole communicated with the opening B are formed in the upper cover plate, a first sealing ring is arranged on the periphery of the first hole, a second sealing ring is arranged on the periphery of the second hole, the opening A passes through the first sealing ring and is fixedly connected with the first hole in a sealing manner, the opening B passes through the second sealing ring and is fixedly connected with the second hole in a sealing manner, and the oxygen storage tank and the lower cover plate are fixedly connected.
2. The oxygen generation system as recited in claim 1, wherein the first hole defines a first groove about an outer periphery thereof for receiving the first seal ring, and the second hole defines a second groove about an outer periphery thereof for receiving the second seal ring.
3. The oxygen generation system as recited in claim 2, wherein a connecting strip is disposed between the first sealing ring and the second sealing ring, and the first sealing ring and the second sealing ring are fixedly connected by the connecting strip.
4. The oxygen generation system as recited in claim 3, wherein the upper cover defines a recess for receiving the connecting bar.
5. The oxygen generation system of claim 4, wherein the first seal ring, the connecting strip, and the second seal ring are integrally formed.
6. The oxygen generation system as recited in claim 1, wherein a plurality of groove structures are formed on a surface of the upper cover plate facing away from the screen cylinder.
7. The oxygen generation system as recited in claim 1, wherein a sealing slot matched with the upper port of the screen cylinder is formed in one surface of the upper cover plate fixedly connected with the screen cylinder, the sealing slot comprises a groove matched with the outer wall of the screen cylinder, an arc-shaped structure used for fixing the screen core in the screen cylinder and a gas channel communicated with the screen cylinder, the arc-shaped structure is located in the inner area of the groove, the gas channel is located in the inner area of the groove, and the gas channel extends along the length direction of the upper cover plate.
8. The oxygen generation system as set forth in claim 7 wherein the groove comprises an outer groove wall, a bottom groove wall, and an inner groove wall, the outer groove wall having a height greater than the height of the inner groove wall.
9. The oxygen generation system as set forth in claim 1, wherein the number of the molecular sieves is 2, and the molecular sieves include a first sieve cylinder and a second sieve cylinder, and the first sieve cylinder and the second sieve cylinder are symmetrically arranged along a center line of the upper cover plate.
10. The oxygen generation system as recited in claim 9, wherein the oxygen storage tank is located between the first screen cylinder and the second screen cylinder, and a pressure regulating valve is disposed at an upper end of the oxygen storage tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010147171.2A CN111170281A (en) | 2020-03-05 | 2020-03-05 | Oxygen generation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010147171.2A CN111170281A (en) | 2020-03-05 | 2020-03-05 | Oxygen generation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111170281A true CN111170281A (en) | 2020-05-19 |
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ID=70625193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010147171.2A Pending CN111170281A (en) | 2020-03-05 | 2020-03-05 | Oxygen generation system |
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| Country | Link |
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| CN (1) | CN111170281A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011091629A1 (en) * | 2010-01-26 | 2011-08-04 | 中山荣杰医疗器材工业有限公司 | Oxygen generator |
| CN213475421U (en) * | 2020-03-05 | 2021-06-18 | 柯尔(苏州)医疗科技有限公司 | Oxygen generation system |
-
2020
- 2020-03-05 CN CN202010147171.2A patent/CN111170281A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011091629A1 (en) * | 2010-01-26 | 2011-08-04 | 中山荣杰医疗器材工业有限公司 | Oxygen generator |
| CN213475421U (en) * | 2020-03-05 | 2021-06-18 | 柯尔(苏州)医疗科技有限公司 | Oxygen generation system |
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