CN216336608U - Molecular sieve module of medical molecular sieve oxygen generator - Google Patents
Molecular sieve module of medical molecular sieve oxygen generator Download PDFInfo
- Publication number
- CN216336608U CN216336608U CN202123115500.4U CN202123115500U CN216336608U CN 216336608 U CN216336608 U CN 216336608U CN 202123115500 U CN202123115500 U CN 202123115500U CN 216336608 U CN216336608 U CN 216336608U
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- Prior art keywords
- molecular sieve
- frame
- threaded connection
- oxygen generator
- threaded seat
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- 239000002808 molecular sieve Substances 0.000 title claims abstract description 63
- 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 63
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 29
- 239000001301 oxygen Substances 0.000 title claims abstract description 29
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 29
- 238000001914 filtration Methods 0.000 claims abstract description 26
- 239000007789 gas Substances 0.000 claims abstract description 9
- 238000000926 separation method Methods 0.000 claims description 10
- 239000003463 adsorbent Substances 0.000 abstract description 26
- 238000001179 sorption measurement Methods 0.000 abstract description 7
- 238000012423 maintenance Methods 0.000 abstract description 4
- 239000002245 particle Substances 0.000 abstract description 3
- 230000003116 impacting effect Effects 0.000 abstract 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 12
- 230000007246 mechanism Effects 0.000 description 5
- 229910052757 nitrogen Inorganic materials 0.000 description 5
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 4
- 229910001882 dioxygen Inorganic materials 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 241001233242 Lontra Species 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910001873 dinitrogen Inorganic materials 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000008261 resistance mechanism Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Images
Landscapes
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Oxygen, Ozone, And Oxides In General (AREA)
- Separation Of Gases By Adsorption (AREA)
Abstract
The utility model discloses a molecular sieve module of a medical molecular sieve oxygen generator, which comprises a valve body and a sieve body, wherein the sieve body comprises a cylinder body, a top cover, a first threaded seat, a second threaded seat, a first screen frame, a first filtering frame, a support ring, a second filtering frame, a second screen frame, a connecting pipe, a gas guide cone, a hemispherical support, a net bag and a bottom cover, the first threaded seat and the second threaded seat are sequentially arranged on the lower side of the top cover from top to bottom, the outer diameter of the first threaded seat is in threaded connection with the inner diameter of a top port of the cylinder body, and the inner diameter of a bottom port of the cylinder body is in threaded connection with the bottom cover. According to the utility model, the air guide cone can prevent air from directly impacting the adsorbent, so that the service life of the adsorbent is reduced, the bottom of the adsorbent particle is in a concave state due to the hemispherical support, the contact area with air is increased, the support ring can perform gradient adsorption work when in a non-porous mode, and the structures are connected through threads, so that the use and internal maintenance are facilitated.
Description
Technical Field
The utility model relates to the technical field of molecular sieves, in particular to a molecular sieve module of a medical molecular sieve oxygen generator.
Background
The molecular sieve type oxygen generator is a device for extracting oxygen from air based on pressure swing adsorption technology, and is characterized by that it utilizes molecular sieve physical adsorption and desorption technology to fill molecular sieve in the oxygen generator, and can adsorb nitrogen gas in the air when it is pressurized, then the residual unabsorbed oxygen gas can be collected, and after the oxygen gas is purified, the high-purity oxygen gas can be obtained.
Chinese patent document CN213556203U discloses a molecular sieve tower, includes the molecular sieve tower main part of constituteing by last tower body and lower tower body, be equipped with the packing chamber in the molecular sieve tower main part, it has first molecular sieve layer, second molecular sieve layer and third molecular sieve layer that has microporous structure to fill from the top down in proper order to fill the intracavity, the top of going up the tower body is equipped with the outlet duct, the bottom of tower body is equipped with the intake pipe down, the inner chamber of tower body is equipped with and covers the intake pipe air inlet and for cylindric slow flow cover down, the week side of slow flow cover is equipped with the venthole of tower body inside wall down in the orientation, the top of slow flow cover is equipped with molecular sieve positioning mechanism, molecular sieve positioning mechanism includes the location otter board that contradicts with third molecular sieve layer bottom end face, be equipped with a plurality of pressure spring between otter board location and the top of slow flow cover. The utility model effectively avoids direct impact on the gas molecular sieve layer, so that the molecular sieve layer is pulverized and the screening effect is reduced, but the patent has the defects that the impact resistance mechanism is too complex, the long-time use in a high-pressure environment is not facilitated, the structural optimization degree is insufficient, the internal maintenance is not facilitated, the work mechanism is inconvenient to convert, and the replacement of the adsorbent is not convenient enough.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art and provides a molecular sieve module of a medical molecular sieve oxygen generator.
In order to achieve the purpose, the utility model adopts the following technical scheme: a molecular sieve module of a medical molecular sieve oxygenerator comprises a valve body and a sieve body, wherein the sieve body comprises a cylinder body, a top cover, a first thread seat, a second thread seat, a first net frame, a first filtering frame, a support ring, a second filtering frame, a second net frame, a connecting pipe, an air guide cone, a hemisphere support, a net bag and a bottom cover, the first thread seat and the second thread seat are sequentially arranged on the lower side of the top cover from top to bottom, the outer diameter of the first thread seat is in threaded connection with the inner diameter of the top port of the cylinder body, the bottom cover is in threaded connection with the inner diameter of the bottom end of the opening of the cylinder body, the outer diameter of the second thread seat is in threaded connection with the inner diameter of the top port of the first filtering frame, the support ring is in threaded connection with the lower side of the outer diameter of the first filtering frame, the inner diameter of the first filtering frame is in threaded connection with the second filtering frame, the lower side of the second filtering frame is in threaded connection with the connecting pipe, the bottom end of the connecting pipe is fixedly connected with a circle of the edge of the top of the air guide cone, the valve body comprises a first three-way electromagnetic valve and a second three-way electromagnetic valve, and the left side and the right side of the top port of the top cover air hole are fixedly connected with the second three-way electromagnetic valve.
As a further description of the above technical solution:
the top cap bottom middle part fixedly connected with first net frame, be provided with between the skeleton of first net frame and separate the net.
As a further description of the above technical solution:
the inside a week of support ring evenly is provided with the through-hole, the support ring external diameter equals with the barrel internal diameter.
As a further description of the above technical solution:
the top port of the second filter frame is in threaded connection with a second screen frame, and a separation screen is arranged between the frameworks of the second screen frame.
As a further description of the above technical solution:
be provided with between the skeleton of first filter frame and separate the net, be provided with between the skeleton of second filter frame and separate the net.
As a further description of the above technical solution:
the middle part of the top end of the air guide cone is fixedly connected with a hemispherical support.
As a further description of the above technical solution:
and two air outlets of the first three-way electromagnetic valve are respectively connected with bottom end ports of the air holes of the bottom covers at the left side and the right side through guide pipes.
The utility model has the following beneficial effects:
1. according to the utility model, firstly, compressed air is dispersed to the periphery under the action of the tip of the bottom of the air guide cone, so that direct impact on an adsorbent in the second filter frame is avoided, the service life of the adsorbent is reduced, one part of the dispersed air enters the second filter frame through the net bag, and the net bag is supported by the hemisphere, so that the bottom of the adsorbent particle is in a concave state, the contact area with air is increased, the other part of the dispersed air directly enters the first filter frame through the support ring, and multiple parts are adsorbed simultaneously, so that the oxygen generation efficiency is improved.
2. In the utility model, the support ring can also adopt a non-porous mode, two cavities can be formed at the upper side and the lower side in the barrel body at the moment, the two cavities can only be communicated through the second net frame, different adsorbents are filled in the filtering frames at the upper side and the lower side, a required echelon adsorption working mechanism can be carried out, the molecular sieves at the two sides alternately carry out an oxygen generation process, the working efficiency is improved, and meanwhile, the structures are connected together in a threaded mode, the effect of conveniently replacing the adsorbents in the filtering frames can be achieved, and the use and the internal maintenance are convenient.
Drawings
Fig. 1 is a schematic diagram of a screen body composition of a molecular sieve module of a medical molecular sieve oxygen generator provided by the utility model;
fig. 2 is a schematic view of a connection state of a molecular sieve module of a medical molecular sieve oxygen generator according to the present invention;
FIG. 3 is a cross-sectional view of a molecular sieve module of a medical molecular sieve oxygen generator according to the present invention;
fig. 4 is a schematic top cover diagram of a molecular sieve module of a medical molecular sieve oxygen generator according to the present invention;
FIG. 5 is a schematic view of a support ring of a molecular sieve module of a medical molecular sieve oxygen generator according to the present invention;
fig. 6 is a schematic view of a second filtering frame of the molecular sieve module of the medical molecular sieve oxygen generator according to the present invention;
FIG. 7 is a schematic view of an air guide cone of a molecular sieve module of a medical molecular sieve oxygenator according to the present invention;
fig. 8 is a schematic view of a string bag of a molecular sieve module of a medical molecular sieve oxygen generator provided by the utility model.
Illustration of the drawings:
1. a first three-way solenoid valve; 2. a second three-way solenoid valve; 3. a barrel; 4. a top cover; 5. a first threaded seat; 6. a second threaded seat; 7. a first frame; 8. a first filter frame; 9. a support ring; 10. a second filter frame; 11. a second frame; 12. a connecting pipe; 13. a gas guiding cone; 14. supporting a hemisphere; 15. a net bag; 16. a bottom cover; 17. a valve body; 18. a screen body.
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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-8, one embodiment of the present invention is provided: a molecular sieve module of a medical molecular sieve oxygenerator comprises a valve body 17 and a sieve body 18, wherein the sieve body 18 comprises a cylinder 3, a top cover 4, a first threaded seat 5, a second threaded seat 6, a first net frame 7, a first filtering frame 8, a support ring 9, a second filtering frame 10, a second net frame 11, a connecting pipe 12, a gas guide cone 13, a hemispherical support 14, a net bag 15 and a bottom cover 16, the first threaded seat 5 and the second threaded seat 6 are sequentially arranged on the lower side of the top cover 4 from top to bottom, the outer diameter of the first threaded seat 5 is in threaded connection with the inner diameter of the top port of the cylinder 3, the inner diameter of the bottom port of the cylinder 3 is in threaded connection with the bottom cover 16, the outer diameter of the second threaded seat 6 is in threaded connection with the inner diameter of the top port of the first filtering frame 8, required adsorption bodies are filled in the first filtering frame 8, the lower side of the outer diameter of the first filtering frame 8 is in threaded connection with the support ring 9 for stabilizing the structures of the adsorption bodies filled, first 8 internal diameter downside threaded connection of filter frame have the second filter frame 10, the second filters frame 10 and also is used for filling required adsorbent, second filter frame 10 downside threaded connection has connecting pipe 12, connecting pipe 12 bottom port fixed connection is in the a week at 13 top edges of air guide awl, be provided with string bag 15 between 13 top of air guide awl and the second filter frame 10 bottom, string bag 15 is used for the shutoff second to filter frame 10, it has the gas permeability simultaneously, each structure links together through the screw thread mode, can play the effect of convenient dismouting, convenient use and inside maintenance, valve body 17 includes first three way solenoid valve 1 and second three way solenoid valve 2, the equal fixedly connected with second three way solenoid valve 2 in top port of the 4 gas pockets of left and right sides top cap, second three way solenoid valve 2 is used for connecting the oxygen gas collection tank in low reaches and is used for arranging nitrogen.
The middle part of the bottom end of the top cover 4 is fixedly connected with a first net frame 7, a separation net is arranged between the frameworks of the first net frame 7, the first net frame 7 is used for sealing a first filter frame 8, through holes are uniformly arranged on the periphery inside a support ring 9, the outer diameter of the support ring 9 is equal to the inner diameter of the barrel 3, scattered air directly enters an adsorbent inside the first filter frame 8 through the through holes of the support ring 9, a plurality of parts simultaneously adsorb nitrogen and other components in the air, the oxygen production efficiency is improved, in addition, the support ring 9 can also adopt a non-porous mode, different adsorbents can be filled in the filter frames at the upper side and the lower side so as to carry out required echelon adsorption work, a second net frame 11 is in threaded connection with the top end opening of the second filter frame 10, the separation net is arranged between the frameworks of the second net frame 11, the separation net is arranged between the frameworks of the first filter frame 8, and the separation net is arranged between the frameworks of the second filter frame 10, the separation net can avoid the adsorbent to reveal, can make the air freely come in and go out simultaneously, and the air guide awl 13 top middle part fixedly connected with hemisphere supports 14, and string bag 15 is under the supporting role of hemisphere support 14 for the inside adsorbent granule bottom of filling of second filter frame 10 presents the indent state, has increaseed the area of contact of this part adsorbent and air, and two gas outlets of first three way solenoid valve 1 are respectively through the bottom mouth of pipe connection in the 16 gas pockets of left and right sides bottom.
The working principle is as follows: the space inside the first filter frame 8 and outside the first net frame 7 is filled with required adsorbents, the space inside the second filter frame 10 is also filled with required adsorbents, compressed air can be conveyed to the insides of the cylinders 3 at two sides through the first three-way electromagnetic valve 1, a relatively high-pressure environment is formed inside the cylinders 3, so that the adsorbents can adsorb nitrogen and other components in the air, the tip ends of the bottoms of the air guide cones 13 are close to the top ports of the air holes inside the bottom cover 16, so that the compressed air which quickly passes through the air holes is scattered to the surroundings under the action of the air guide cones 13, the adsorbents inside the second filter frame 10 are prevented from being directly impacted, the service life of the adsorbents is shortened, part of the scattered air passes through the openings at the periphery of the air guide cones 13 and enters the adsorbents inside the second filter frame 10 through the net bags 15, nitrogen and oxygen are removed, and the net bags 15 are supported by the hemispherical supports 14, the bottom of the adsorbent particles filled in the second filter frame 10 is concave, the contact area between the adsorbent and the air is increased, the other scattered air directly enters the adsorbent in the first filter frame 8 through the support ring 9, and a plurality of parts simultaneously adsorb nitrogen and other components in the air, so that the oxygen production efficiency is improved, the finally remained oxygen passes through the air holes of the first net frame 7 and the top cover 4, and then is discharged downstream by using the second three-way electromagnetic valve 2, after the adsorbent on one side is saturated, the air inlet of the molecular sieve on the side is controlled to be closed by using the first three-way electromagnetic valve 1 on the upstream, meanwhile, the oxygen outlet of the molecular sieve on the side is controlled to be closed by using the second three-way electromagnetic valve 2 on the downstream, and the other air outlet of the second three-way electromagnetic valve 2 is opened, so that the air pressure in the cylinder 3 on the side is reduced, and the adsorbent in the cylinder is reduced due to air pressure, and adsorbed nitrogen gas and the like are automatically discharged, and the molecular sieves on the two sides can alternately perform an oxygen generation process through the operation mechanism, so that the working efficiency is improved.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.
Claims (7)
1. The utility model provides a molecular sieve module of medical molecular sieve oxygenerator, includes valve body (17) and screen frame (18), its characterized in that: the screen body (18) comprises a cylinder body (3), a top cover (4), a first threaded seat (5), a second threaded seat (6), a first screen frame (7), a first filtering frame (8), a support ring (9), a second filtering frame (10), a second screen frame (11), a connecting pipe (12), an air guide cone (13), a hemispherical support (14), a net bag (15) and a bottom cover (16), wherein the first threaded seat (5) and the second threaded seat (6) are sequentially arranged on the lower side of the top cover (4) from top to bottom, the outer diameter of the first threaded seat (5) is in threaded connection with the inner diameter of the top port of the cylinder body (3), the bottom cover (16) is in threaded connection with the inner diameter of the bottom port of the cylinder body (3), the outer diameter of the second threaded seat (6) is in threaded connection with the inner diameter of the top port of the first filtering frame (8), the outer diameter of the first filtering frame (8) is in threaded connection with the support ring (9), first filtration frame (8) internal diameter downside threaded connection has the second to filter frame (10), second filtration frame (10) downside threaded connection has connecting pipe (12), a week at air guide awl (13) top edge is connected to connecting pipe (12) bottom mouth fixed connection, be provided with string bag (15) between air guide awl (13) top and second filtration frame (10) bottom, valve body (17) include first three way solenoid valve (1) and second three way solenoid valve (2), the left and right sides the equal fixedly connected with second three way solenoid valve (2) of top port of top cap (4) gas pocket.
2. The molecular sieve module of a medical molecular sieve oxygen generator according to claim 1, characterized in that: the middle part of the bottom end of the top cover (4) is fixedly connected with a first net frame (7), and a separation net is arranged between the frameworks of the first net frame (7).
3. The molecular sieve module of a medical molecular sieve oxygen generator according to claim 1, characterized in that: the support ring (9) inside a week is evenly provided with the through-hole, support ring (9) external diameter equals with barrel (3) internal diameter.
4. The molecular sieve module of a medical molecular sieve oxygen generator according to claim 1, characterized in that: the top end opening of the second filter frame (10) is in threaded connection with a second screen frame (11), and a separation screen is arranged between the frameworks of the second screen frame (11).
5. The molecular sieve module of a medical molecular sieve oxygen generator according to claim 1, characterized in that: a separation net is arranged between the frameworks of the first filtering frame (8), and a separation net is arranged between the frameworks of the second filtering frame (10).
6. The molecular sieve module of a medical molecular sieve oxygen generator according to claim 1, characterized in that: and the middle part of the top end of the air guide cone (13) is fixedly connected with a hemispherical support (14).
7. The molecular sieve module of a medical molecular sieve oxygen generator according to claim 1, characterized in that: two air outlets of the first three-way electromagnetic valve (1) are respectively connected with bottom end openings of air holes of the left bottom cover (16) and the right bottom cover (16) through guide pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123115500.4U CN216336608U (en) | 2021-12-01 | 2021-12-01 | Molecular sieve module of medical molecular sieve oxygen generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123115500.4U CN216336608U (en) | 2021-12-01 | 2021-12-01 | Molecular sieve module of medical molecular sieve oxygen generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216336608U true CN216336608U (en) | 2022-04-19 |
Family
ID=81164619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123115500.4U Expired - Fee Related CN216336608U (en) | 2021-12-01 | 2021-12-01 | Molecular sieve module of medical molecular sieve oxygen generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216336608U (en) |
-
2021
- 2021-12-01 CN CN202123115500.4U patent/CN216336608U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220419 |