CN220758601U - Air flow distributor of vacuum pressure swing adsorption nitrogen making equipment - Google Patents
Air flow distributor of vacuum pressure swing adsorption nitrogen making equipment Download PDFInfo
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- CN220758601U CN220758601U CN202322388743.8U CN202322388743U CN220758601U CN 220758601 U CN220758601 U CN 220758601U CN 202322388743 U CN202322388743 U CN 202322388743U CN 220758601 U CN220758601 U CN 220758601U
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- China
- Prior art keywords
- air
- equalizing plate
- shell
- flow equalizing
- vacuum pressure
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims abstract description 64
- 229910052757 nitrogen Inorganic materials 0.000 title claims abstract description 32
- 238000001179 sorption measurement Methods 0.000 title claims abstract description 23
- 238000009423 ventilation Methods 0.000 claims abstract description 20
- 239000007789 gas Substances 0.000 claims abstract description 11
- 238000005452 bending Methods 0.000 claims abstract description 7
- 238000007789 sealing Methods 0.000 claims description 7
- 229920000742 Cotton Polymers 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000011257 shell material Substances 0.000 abstract description 34
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 21
- 229910052799 carbon Inorganic materials 0.000 abstract description 21
- 239000002808 molecular sieve Substances 0.000 abstract description 21
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 abstract description 21
- 230000000694 effects Effects 0.000 abstract description 14
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 235000013162 Cocos nucifera Nutrition 0.000 abstract description 6
- 244000060011 Cocos nucifera Species 0.000 abstract description 6
- 238000009826 distribution Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 241001233242 Lontra Species 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012535 impurity Substances 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
- 238000009740 moulding (composite fabrication) Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
The utility model belongs to the technical field of nitrogen making equipment, in particular to an air flow distributor of vacuum pressure swing adsorption nitrogen making equipment, which comprises a shell; a first flow equalizing plate is arranged in the shell; a second flow equalizing plate is arranged below the first flow equalizing plate; a plurality of first ventilation holes are formed in the first flow equalizing plate; the second flow equalizing plate is provided with second air holes corresponding to the first air holes one by one corresponding to the outer sides of the first air holes; meanwhile, when the air flow passes through the inside of the bending pipe, the pipeline is bent, so that the gas circulation speed is slowed down, the gas is fully contacted with the carbon molecular sieve, the good adsorption effect is achieved, the nitrogen production efficiency is improved, the structure improves the service life compared with the original coconut shell material, and the problems that in the prior art, the periphery of the carbon molecular sieve cannot adsorb the air flow to produce nitrogen, the working efficiency is reduced and the service life is shorter are solved.
Description
Technical Field
The utility model belongs to the technical field of nitrogen production equipment, and particularly relates to an air flow distributor of vacuum pressure swing adsorption nitrogen production equipment.
Background
The vacuum pressure swing adsorption nitrogen making machine is one equipment for preparing high purity nitrogen through pressure swing adsorption of air at normal temperature with high quality carbon molecular sieve as adsorbent.
The traditional vacuum pressure swing adsorption nitrogen making machine comprises an air inlet pipe, an air outlet pipe, a carbon molecular sieve and an air flow distributor, wherein the air inlet pipe is connected with the upper end of the air flow distributor, the air outlet pipe is connected with the lower end of the air flow distributor, the carbon molecular sieve is arranged in the air outlet pipe, and the air flow is uniformly dispersed and output through the air flow distributor, so that the carbon molecular sieve can fully absorb oxygen to achieve a better nitrogen making effect.
In the prior art, the air flow distributor is usually prefabricated by adopting coconut shells as raw materials, and can achieve the effect of air flow distribution after cutting, extrusion and forming, but the air flow distribution mode can not completely disperse and discharge air flow in the air inlet pipe into the air outlet pipe, and is mostly concentrated in the middle part of the air outlet pipe, and the periphery of the carbon molecular sieve can not adsorb the air flow to produce nitrogen, so that the working efficiency is reduced, and the service life is shorter.
Therefore, a gas flow distributor of vacuum pressure swing adsorption nitrogen making equipment is provided for the problems.
Disclosure of Invention
In order to overcome the defects in the prior art and solve the problems, the air flow distributor of the vacuum pressure swing adsorption nitrogen production equipment is provided.
The technical scheme adopted for solving the technical problems is as follows: the utility model relates to an air flow distributor of vacuum pressure swing adsorption nitrogen making equipment, which comprises a shell; a first flow equalizing plate is arranged in the shell; a second flow equalizing plate is arranged below the first flow equalizing plate; a plurality of first ventilation holes are formed in the first flow equalizing plate; the second flow equalizing plate is provided with second air holes corresponding to the first air holes one by one corresponding to the outer sides of the first air holes; a communicated bent pipe is fixedly connected between the first ventilation hole and the second ventilation hole corresponding to the first ventilation hole; and a third air hole is formed in the middle of the first flow equalizing plate.
Preferably, a communicated air cavity shell is fixedly connected between the first flow equalizing plate and the second flow equalizing plate; a bracket is fixedly connected in the air cavity shell in an up-down corresponding manner; the support is rotationally connected with fan blades.
Preferably, a filter screen is arranged in the shell corresponding to the lower part of the second flow equalizing plate; and filter cotton is arranged below the filter screen.
Preferably, the inner walls of the upper side and the lower side of the shell are provided with threads; an air inlet pipe is fixedly connected above the shell through threads; an air outlet pipe is fixedly connected below the shell through threads.
Preferably, sealing rings are fixedly connected at the ports of the air inlet pipe and the air outlet pipe, and the sealing rings are made of rubber.
Preferably, the filter screen is made of stainless steel wire mesh, and the filter screen is overlapped in a staggered way to be in a breathable plate shape.
The utility model has the beneficial effects that:
the utility model provides an air flow distributor of vacuum pressure swing adsorption nitrogen making equipment, which is characterized in that through the matching of a first flow equalizing plate, a second flow equalizing plate and a bent pipe, air flow firstly enters the inside of a shell from the upper part of the shell and then enters the lower part of the shell from a third air hole, in the process, the air flow is uniformly distributed to the lower part of the shell from the upper part of the shell under the mutual matching of the first air hole, the second air hole and the bent pipe, so that the aim of uniformly distributing the air flow is fulfilled, the effect of completely contacting a carbon molecular sieve with the air flow is realized, meanwhile, when the air flow passes through the inside of the bent pipe, the air flow is bent, the air circulation speed is slowed down, the air is fully contacted with the carbon molecular sieve, the good adsorption effect is realized, the nitrogen making efficiency is improved, compared with the original coconut shell material, the service life is prolonged, and the problems that in the prior art, the periphery of the carbon molecular sieve cannot adsorb the air flow to make nitrogen, the working efficiency is reduced, and the service life is shorter are solved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:
FIG. 1 is a perspective view of the present utility model;
FIG. 2 is a cross-sectional perspective view of the present utility model;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
fig. 4 is a top perspective view of a first flow straightener in the present utility model;
fig. 5 is a perspective view of a second flow equalization plate in accordance with the present utility model;
legend description:
1. a housing; 2. a first flow equalizing plate; 3. a second flow equalizing plate; 4. a first ventilation hole; 5. a second ventilation hole; 6. bending the pipe; 7. an air inlet pipe; 8. an air outlet pipe; 9. a third vent; 10. an air cavity case; 11. a bracket; 12. a fan blade; 13. a filter screen; 14. filtering cotton; 15. a seal ring; 16. and (5) screw threads.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Specific examples are given below.
Referring to fig. 1-5, the utility model provides a gas flow distributor of vacuum pressure swing adsorption nitrogen making equipment, which comprises a shell 1; a first flow equalizing plate 2 is arranged in the shell 1; a second flow equalizing plate 3 is arranged below the first flow equalizing plate 2; a plurality of first ventilation holes 4 are formed in the first flow equalizing plate 2; the second flow equalizing plate 3 is provided with second air holes 5 which are in one-to-one correspondence with the first air holes 4 corresponding to the outer sides of the first air holes 4; a bending pipe 6 communicated with the first ventilation holes 4 and the second ventilation holes 5 corresponding to each other is fixedly connected between the first ventilation holes 4 and the second ventilation holes 5; a third ventilation hole 9 is formed in the middle of the first flow equalizing plate 2.
During operation, in the prior art, the air flow distributor is usually prefabricated by adopting coconut shells as raw materials, and the effect of distributing air flow can be achieved after cutting and extrusion molding, but the air flow distribution mode cannot completely disperse and discharge air flow in the air inlet pipe 7 into the air outlet pipe 8, most of the air flow is concentrated in the middle part of the air outlet pipe, and the periphery of the carbon molecular sieve cannot adsorb the air flow to produce nitrogen, so that the working efficiency is reduced, and the service life is shorter; according to the utility model, the shell 1 is designed, air flow firstly enters the shell 1 from the upper part of the shell 1 and then enters the lower part of the shell 1 from the third air holes 9, in the process, the air flow is uniformly distributed to the lower part of the shell 1 from the upper part of the shell 1 under the mutual matching of the first air holes 4, the second air holes 5 and the bending pipes 6, so that the aim of uniformly distributing the air flow is fulfilled, the effect of completely contacting the carbon molecular sieve with the air flow is realized, and meanwhile, when the air flow passes through the inside of the bending pipes 6, the air flow speed is slowed down due to the fact that the pipeline is bent, the air is fully contacted with the carbon molecular sieve, the good adsorption effect is achieved, the nitrogen production efficiency is improved, and compared with the original coconut shell material, the service life is prolonged, and the problems that in the prior art, the periphery of the carbon molecular sieve cannot adsorb the air flow to produce nitrogen, the working efficiency is reduced, and the service life is shorter are solved.
Further, as shown in fig. 2 and fig. 5, a communicated air cavity shell 10 is fixedly connected between the first flow equalizing plate 2 and the second flow equalizing plate 3; a bracket 11 is fixedly connected in the air cavity shell 10 correspondingly up and down; the bracket 11 is rotatably connected with a fan blade 12.
When the air flow in the middle directly enters the lower part of the shell 1 from the upper part of the shell 1, the air flow drives the fan blades 12 to rotate, the fan blades 12 provide a certain buffer effect for the air flow directly passing through the middle, the circulation speed of the middle air flow is forced to be reduced, the air flow is fully contacted with the carbon molecular sieve, and the adsorption effect of the carbon molecular sieve on the middle air flow is enhanced.
Further, as shown in fig. 2 and fig. 3, a filter screen 13 is disposed in the housing 1 corresponding to the lower portion of the second flow equalizing plate 3; and filter cotton 14 is arranged below the filter screen 13.
During operation, the filter screen 13 further distributes the air flow, and simultaneously adsorbs and removes impurities in the air flow, so that the nitrogen production quality of the carbon molecular sieve is enhanced, and the use effect of the carbon molecular sieve is improved by adsorbing water molecules in the air flow through the filter cotton 14.
Further, as shown in fig. 2, threads 16 are formed on the inner walls of the upper side and the lower side of the housing 1; an air inlet pipe 7 is fixedly connected above the shell 1 through threads 16; an air outlet pipe 8 is fixedly connected below the shell 1 through threads 16.
During operation, the filter screen 13 and the filter cotton 14 are conveniently replaced and maintained through the connection of the threads 16 with the air inlet pipe 7 and the air outlet pipe 8 and convenient disassembly.
Further, as shown in fig. 2 and 3, the ports of the air inlet pipe 7 and the air outlet pipe 8 are fixedly connected with sealing rings 15, and the sealing rings 15 are made of rubber.
In operation, the air tightness inside the shell 1 is increased by the sealing ring 15 made of rubber materials, and the air flow is prevented from overflowing.
Further, as shown in fig. 3, the filter screen 13 is made of stainless steel wire mesh, and the filter screens 13 are stacked in a staggered manner to form a ventilation plate.
During operation, through crisscross superimposed stainless steel wire otter board, when conveniently changing, better to air current distribution's effect, life is stronger, repeatedly usable, the practicality is better.
Working principle: the air current gets into inside the casing 1 from casing 1 at first, then get into the casing 1 below from third bleeder vent 9, in this process, there is the air current in addition under the mutually supporting of first bleeder vent 4, second bleeder vent 5 and bend pipe 6, evenly distributed reaches the purpose with air current evenly distributed from casing 1 top to casing 1 below, realize the effect that carbon molecular sieve contacted with the air current completely, when the air current was in the inside of bend pipe 6 through simultaneously, because the pipeline is the form of bending, gas circulation speed has been slowed down, can make gas fully contact with carbon molecular sieve, reach good adsorption effect, nitrogen production efficiency has been improved, and this kind of structure has improved life compared with original coconut shell material, in the prior art, the periphery of carbon molecular sieve can not adsorb nitrogen production to the air current, result in work efficiency reduction, life is shorter problem.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.
Claims (6)
1. The utility model provides a vacuum pressure swing adsorption nitrogen making equipment air current distributor which characterized in that: comprises a shell (1); a first flow equalizing plate (2) is arranged in the shell (1); a second flow equalizing plate (3) is arranged below the first flow equalizing plate (2); a plurality of first ventilation holes (4) are formed in the first flow equalizing plate (2); the second flow equalizing plate (3) is provided with second air holes (5) corresponding to the first air holes (4) one by one corresponding to the outer sides of the first air holes (4); a bending pipe (6) communicated with the first ventilation holes (4) and the second ventilation holes (5) corresponding to each other is fixedly connected between the first ventilation holes and the second ventilation holes; a third ventilation hole (9) is formed in the middle of the first flow equalizing plate (2).
2. A vacuum pressure swing adsorption nitrogen plant gas flow distributor according to claim 1, wherein: an air cavity shell (10) is fixedly connected between the first flow equalizing plate (2) and the second flow equalizing plate (3); a bracket (11) is fixedly connected in the air cavity shell (10) correspondingly up and down; the bracket (11) is rotationally connected with a fan blade (12).
3. A vacuum pressure swing adsorption nitrogen plant gas flow distributor according to claim 2, wherein: a filter screen (13) is arranged in the shell (1) corresponding to the lower part of the second flow equalizing plate (3); and filter cotton (14) is arranged below the filter screen (13).
4. A vacuum pressure swing adsorption nitrogen plant gas flow distributor according to claim 3, wherein: threads (16) are formed on the inner walls of the upper side and the lower side of the shell (1); an air inlet pipe (7) is fixedly connected above the shell (1) through threads (16); an air outlet pipe (8) is fixedly connected below the shell (1) through threads (16).
5. The gas flow distributor of vacuum pressure swing adsorption nitrogen making equipment according to claim 4, wherein: the port of the air inlet pipe (7) and the port of the air outlet pipe (8) are fixedly connected with sealing rings (15), and the sealing rings (15) are made of rubber.
6. A vacuum pressure swing adsorption nitrogen plant gas flow distributor according to claim 5, wherein: the filter screen (13) is made of stainless steel wire mesh, and the filter screen (13) is overlapped in a staggered way to be in a breathable plate shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322388743.8U CN220758601U (en) | 2023-09-04 | 2023-09-04 | Air flow distributor of vacuum pressure swing adsorption nitrogen making equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322388743.8U CN220758601U (en) | 2023-09-04 | 2023-09-04 | Air flow distributor of vacuum pressure swing adsorption nitrogen making equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220758601U true CN220758601U (en) | 2024-04-12 |
Family
ID=90598864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322388743.8U Active CN220758601U (en) | 2023-09-04 | 2023-09-04 | Air flow distributor of vacuum pressure swing adsorption nitrogen making equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220758601U (en) |
-
2023
- 2023-09-04 CN CN202322388743.8U patent/CN220758601U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |