CN219462879U - Air purification device for pressure swing adsorption nitrogen making device - Google Patents
Air purification device for pressure swing adsorption nitrogen making device Download PDFInfo
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- CN219462879U CN219462879U CN202320689975.4U CN202320689975U CN219462879U CN 219462879 U CN219462879 U CN 219462879U CN 202320689975 U CN202320689975 U CN 202320689975U CN 219462879 U CN219462879 U CN 219462879U
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- filter
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- air
- swing adsorption
- pressure swing
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- 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
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Abstract
The utility model discloses an air purification device for a pressure swing adsorption nitrogen production device, which comprises an air compression assembly, a first communication cylinder, a second communication cylinder and a plurality of filtering assemblies, wherein the first communication cylinder is communicated with an air outlet end of the air compression assembly; the second communicating cylinder is provided with an air outlet hole communicated with the inside; the filter assembly comprises a fixed pipe, a sealing ball, a flexible pipe, a filter element, a pushing element and a one-way valve, wherein the fixed pipe is communicated with the first communication cylinder, a conical hole communicated with the first communication cylinder is formed in the fixed pipe, the sealing ball is arranged in the conical hole and can seal the conical hole under the pushing of air flow, one end of the flexible pipe is detachably connected with the fixed pipe, the other end of the flexible pipe is communicated with the second communication cylinder, the filter element is detachably arranged in the fixed pipe, and the pushing element is connected with the filter element and is used for relieving the sealing of the conical hole; the one-way valve is mounted to the flexible tube. The utility model can replace the filter element without stopping.
Description
Technical Field
The utility model relates to the technical field of pressure swing adsorption nitrogen production, in particular to an air purifying device for a pressure swing adsorption nitrogen production device.
Background
The pressure swing adsorption nitrogen making machine adopts carbon molecular sieve to separate different molecular adsorption performance to separate gas mixture, and adopts filtered air as material.
The utility model discloses a pressure swing adsorption nitrogen making device uses air purification device for device, it includes the support frame, the upside fixedly connected with air compressor machine of support frame, the output fixedly connected with compression pipe of air compressor machine, and the other end fixedly connected with cyclone of compression pipe, cyclone's the other end is connected with the output tube, and the other end of output tube is connected with the gas holder with support frame fixed connection, one side of gas holder is connected with the outlet duct, and the other end of outlet duct is connected with the gas dispersion pipe, the outside fixedly connected with rose box of gas dispersion pipe.
The cyclone separator and the filter material in the filter box are used for filtering air, the filter material in the filter box needs to be replaced after being used for a period of time, and the whole air purifying device is required to be stopped at the moment so as to replace the filter material in the filter box, and the whole equipment is required to be stopped when the filter material is replaced.
Disclosure of Invention
In view of the above, it is necessary to provide an air purifying device for a pressure swing adsorption nitrogen making device, which solves the technical problem that the whole equipment needs to be stopped when the filter material is replaced in the prior art.
In order to achieve the technical purpose, the technical scheme of the utility model provides an air purifying device for a pressure swing adsorption nitrogen making device, which comprises the following components:
an air compression assembly;
the first communication cylinder is communicated with the air outlet end of the air compression assembly;
the second communication cylinder is provided with an air outlet hole communicated with the inside;
the filter assembly comprises a fixed pipe, a sealing ball, a flexible pipe, a filter element, a pushing element and a one-way valve, wherein the fixed pipe is communicated with the first communicating cylinder, a conical hole communicated with the first communicating cylinder is formed in the fixed pipe, the sealing ball is arranged in the conical hole and can seal the conical hole under the pushing of air flow, one end of the flexible pipe is detachably connected with the fixed pipe, the other end of the flexible pipe is communicated with the second communicating cylinder, the filter element is detachably arranged in the fixed pipe, and the pushing element is connected with the filter element and is used for relieving the sealing of the conical hole; the one-way valve is arranged on the flexible pipe and used for controlling one-way conduction of the flexible pipe from the fixed pipe to the second communication cylinder.
In one embodiment, the tapered bore has an inner diameter that gradually decreases in a direction away from the first communication cylinder.
In one embodiment, the outer wall of the end, far away from the first communication cylinder, of the fixed pipe is provided with an external thread along the axial direction, and the filter assembly further comprises a connecting piece, wherein the connecting piece is rotatably connected with the flexible pipe and is in threaded connection with the fixed pipe.
In one embodiment, the connecting piece comprises a connecting cylinder, the inner wall of the connecting cylinder is provided with internal threads, and the connecting cylinder is rotatably connected with the flexible pipe and is in threaded connection with the fixed pipe.
In one embodiment, the filter assembly further comprises a first stop collar connected to an end of the flexible tube adjacent to the fixed tube; the connecting cylinder is rotatably sleeved on the first limiting ring, the connecting piece further comprises a second limiting ring, the second limiting ring is arranged on one side, away from the fixed pipe, of the connecting cylinder, and the inner diameter of the second limiting ring is smaller than the outer diameter of the first limiting ring.
In one embodiment, the filter element comprises a filter cartridge, a filter packing layer and a third limiting ring, the filter cartridge is slidably inserted in the fixed pipe and provided with a through hole for air flow to flow through, the filter packing layer is internally arranged in the filter cartridge, the third limiting ring is fixedly sleeved in the filter cartridge, and the inner diameter of the third limiting ring is larger than the outer diameter of the fixed pipe and smaller than the inner diameter of the connecting cylinder.
In one embodiment, the filter element further includes a first sealing ring sleeved on the filter cartridge and disposed at one end of the third limiting ring near the fixed tube, and an outer diameter of the first sealing ring is larger than an inner diameter of the fixed tube.
In one embodiment, the filter element further comprises a second sealing ring, the second sealing ring is disposed on one side, away from the fixed pipe, of the third limiting ring, and the outer diameter of the second sealing ring is larger than the inner diameters of the third limiting ring and the first limiting ring.
In one embodiment, the filter element further comprises a plurality of limiting parts, wherein the limiting parts are connected to the outer wall of the filter cartridge and are arranged at intervals along the outer wall of the filter cartridge.
In one embodiment, the filter assembly further includes a fourth limiting ring, the fourth limiting ring is disposed in the fixing tube, coaxially disposed with the tapered hole, disposed on a side of the sealing ball, which is close to the first communicating tube, and an inner diameter of the fourth limiting ring is smaller than an outer diameter of the sealing ball.
Compared with the prior art, the utility model has the beneficial effects that: when the air needs to be purified, the air compression assembly pumps air into the first communication cylinder, the air sequentially passes through the first communication cylinder, the fixed pipe, the filter element, the flexible pipe and the one-way valve to enter the second communication cylinder, and the air is filtered by the filter element when passing through the filter element so as to remove impurities such as dust in the air.
When the filter element needs to be replaced, the flexible pipe is detached from the fixed pipe, the filter element is detached from the fixed pipe, the pushing element is driven to be separated from the conical hole when the filter element is detached, the sealing ball is pushed by the air flow to plug the conical hole, the air flow can be prevented from flowing outwards through the fixed pipe, the air in the second communicating cylinder can be prevented from entering the flexible pipe and is discharged from the flexible pipe through the one-way valve, the filter element can be replaced at the moment, and the filter elements in the filter element are replaced one by one due to the fact that the number of the filter elements is multiple, the influence on equipment purifying air is avoided, and the filter element can be replaced without stopping the equipment; when the filter piece enters the process of the fixed pipe, the pushing piece is driven to enter the conical hole, so that the pushing piece is inserted into the conical hole and pushes the sealing ball to be separated from the conical hole.
Drawings
FIG. 1 is a three-dimensional schematic view of an air cleaning apparatus for a pressure swing adsorption nitrogen making apparatus according to an embodiment of the present utility model;
FIG. 2 is a schematic three-dimensional view of a first communicating tube, a second communicating tube and a filter assembly in an air purifying device for a pressure swing adsorption nitrogen generating apparatus according to an embodiment of the present utility model;
FIG. 3 is a schematic view showing the structure of a first communicating tube and a filter assembly in an air purifying apparatus for a pressure swing adsorption nitrogen generating apparatus according to an embodiment of the present utility model;
fig. 4 is an enlarged partial schematic view at a in fig. 3.
Reference numerals illustrate:
an air compression assembly 1;
a first communicating tube 2;
a second communicating tube 3;
a filter assembly 4;
a fixed tube 41;
a tapered hole 41a;
a sealing ball 42;
a flexible tube 43;
a filter 44;
a filter cartridge 441;
a filter packing layer 442;
a third stop collar 443;
a first seal ring 444;
a second seal ring 445;
a plurality of limit portions 446;
an end cap 447;
a pusher 45;
a one-way valve 46;
a connecting member 47;
a connecting tube 471;
a second stop collar 472;
a first stop collar 48;
a fourth stop collar 49;
a dehumidifier 5.
Detailed Description
Preferred embodiments of the present utility model will now be described in detail with reference to the accompanying drawings, which form a part hereof, and together with the description serve to explain the principles of the utility model, and are not intended to limit the scope of the utility model.
As shown in fig. 1 to 4, the present utility model provides an air purifying device for a pressure swing adsorption nitrogen generating device, which comprises an air compressing assembly 1, a first communicating tube 2, a second communicating tube 3 and a plurality of filtering assemblies 4, wherein the first communicating tube 2 is communicated with an air outlet end of the air compressing assembly 1; the second communication cylinder 3 is provided with an air outlet hole communicated with the inside; the filter assembly 4 comprises a fixed pipe 41, a sealing ball 42, a flexible pipe 43, a filter element 44, a pushing element 45 and a one-way valve 46, wherein the fixed pipe 41 is communicated with the first communicating cylinder 2, a conical hole 41a communicated with the first communicating cylinder 2 is formed in the fixed pipe 41, the sealing ball 42 is arranged in the conical hole 41a and can seal the conical hole 41a under the pushing of air flow, one end of the flexible pipe 43 is detachably connected with the fixed pipe 41, the other end of the flexible pipe 43 is communicated with the second communicating cylinder 3, the filter element 44 is detachably arranged in the flexible pipe 43, and the pushing element 45 is connected with the filter element 44 and is used for removing the sealing of the conical hole 41a; a check valve 46 is mounted to the flexible tube 43 for controlling one-way conduction of the flexible tube 43 from the fixed tube 41 to the second communication tube 3. It should be appreciated that the air compression assembly 1 may be a blower, air compressor, or the like; the material of the sealing ball 42 may be plastic, rubber, or the like.
When air needs to be purified, the air compression assembly 1 pumps air into the first communication cylinder 2, the air sequentially passes through the first communication cylinder 2, the fixed pipe 41, the filter element 44, the flexible pipe 43 and the one-way valve 46 to enter the second communication cylinder 3, and the air is filtered by the filter element 44 when passing through the filter element 44 so as to remove impurities such as dust in the air.
When the filter element 44 needs to be replaced, the flexible pipe 43 is detached from the fixed pipe 41, the filter element 44 is detached from the fixed pipe 41, the pushing element 45 is driven to be separated from the conical hole 41a while the filter element 44 is detached, at the moment, the sealing ball 42 is pushed by the air flow to seal the conical hole 41a, the air flow can be prevented from flowing outwards through the fixed pipe 41, the air in the second communication cylinder 3 can be prevented from entering the flexible pipe 43 and is discharged from the flexible pipe 43 by arranging the one-way valve 46, the filter element 44 can be replaced at the moment, and the filter elements 44 in the filter element 4 are replaced one by one due to the fact that the number of the filter elements 4 is multiple, the air purification of equipment cannot be influenced, and the filter element 44 can be replaced without stopping the equipment; when the filter member 44 enters the fixing tube 41, the pushing member 45 is driven to enter the tapered hole 41a, so that the pushing member 45 is inserted into the tapered hole 41a and pushes the sealing ball 42 to be separated from the tapered hole 41a.
In one embodiment, the tapered hole 41a gradually decreases in inner diameter in a direction away from the first communication cylinder 2.
With the above arrangement, the sealing ball 42 is moved in a direction away from the first communicating tube 2 by the pushing of the air flow until the sealing ball 42 blocks the tapered hole 41a, at which time the air flow in the first communicating tube 2 cannot be discharged outside through the fixed tube 41.
In one embodiment, the outer wall of the end of the fixed tube 41 away from the first communicating tube 2 is provided with external threads along the axial direction, and the filter assembly 4 further includes a connecting member 47, where the connecting member 47 is rotatably connected to the flexible tube 43 and is in threaded connection with the fixed tube 41.
When the detachable connection between the flexible tube 43 and the fixed tube 41 is required, the connecting piece 47 is in threaded connection with the fixed tube 41, and the connecting piece 47 can not drive the fixed tube 41 to rotate due to the rotatable connection between the connecting piece 47 and the flexible tube 43 and the rotation of the connecting piece 47 in the threaded connection process of the connecting piece 47 and the fixed tube 41.
In one embodiment, the connector 47 includes a coupling barrel 471, the inner wall of the coupling barrel 471 being internally threaded, the coupling barrel 471 being rotatably coupled to the flexible tube 43 and threadably coupled to the stationary tube 41. It should be appreciated that the coupling tube 471 may be rotatably sleeved over the flexible tube 43 or rotatably coupled to the coupling tube 471 by bearings or the like.
When it is necessary to connect the flexible tube 43 to the fixed tube 41, the connection tube 471 is screwed to the fixed tube 41, and the flexible tube 43 is connected to the fixed tube 41.
In one embodiment, the filter assembly 4 further includes a first stop collar 48, the first stop collar 48 being connected to an end of the flexible tube 43 adjacent the fixed tube 41; the connecting tube 471 is rotatably sleeved on the first limiting ring 48, the connecting piece 47 further comprises a second limiting ring 472, the second limiting ring 472 is arranged on one side of the connecting tube 471 away from the fixed tube 41, and the inner diameter of the second limiting ring 472 is smaller than the outer diameter of the first limiting ring 48.
Through rotationally sleeving the connecting tube 471 on the first limiting ring 48, the connecting tube 471 is rotationally connected with the flexible pipe 43, and through arranging the second limiting ring 472 on the connecting tube 471, the inner diameter of the second limiting ring 472 is smaller than the outer diameter of the first limiting ring 48, so that the connecting tube 471 can be prevented from being separated from the flexible pipe 43.
In one embodiment, the filter element 44 includes a filter cylinder 441, a filter packing layer 442 and a third limiting ring 443, wherein the filter cylinder 441 is slidably inserted into the fixed tube 41 and has a through hole for air flow, the filter packing layer 442 is disposed in the filter cylinder 441, the third limiting ring 443 is fixedly sleeved on the filter cylinder 441, and the inner diameter of the third limiting ring 443 is larger than the outer diameter of the fixed tube 41 and smaller than the inner diameter of the connecting tube 471.
In order to realize the detachable connection of the filter element 44 and the fixed tube 41, the filter cartridge 441 is inserted into the fixed tube 41, the filter cartridge 441 can be prevented from completely sliding into the fixed tube 41 due to the limitation of the third limiting ring 443, and in the process of the connecting tube 471 being in threaded connection with the fixed tube 41, the second limiting ring 472 and the first limiting ring 48 tightly press the third limiting ring 443 onto the fixed tube 41, so that the detachable connection of the filter element 44 and the fixed tube 41 is realized, and in addition, the third limiting ring 443 is attached to the fixed tube 41 and connected with the fixed tube 41, so that air entering the fixed tube 41 can enter the flexible tube 43 only through the filter cartridge 441.
In one embodiment, the peripheral wall of the filter cylinder 441 is provided with a plurality of filter holes, an end of the filter cylinder 441 far away from the first communication cylinder 2 is provided with external threads, the filter member 44 further comprises an end cap 447, the end cap 447 is provided with the filter holes, and the inner wall of the end cap 447 is provided with internal threads and is in threaded connection with the filter cylinder 441.
It should be appreciated that the filter packing layer 442 can be a filter cartridge, activated carbon, or the like.
It should be understood that the pushing member 45 may be a rod body, a block body, or the like disposed in the axial direction of the filter cartridge 441, and that the outer diameter of the pushing member 45 is smaller than the inner diameter of the tapered hole 41a.
In one embodiment, the filter member 44 further includes a first sealing ring 444, where the first sealing ring 444 is sleeved on the filter cylinder 441 and is disposed at an end of the third limiting ring 443 near the fixed tube 41, and an outer diameter of the first sealing ring 444 is larger than an inner diameter of the fixed tube 41.
By providing the first seal ring 444, the gap between the third limit ring 443 and the fixed pipe 41 can be sealed, and air in the fixed pipe 41 is prevented from overflowing outwards through the gap between the third limit ring 443 and the fixed pipe 41.
In one embodiment, the filter member 44 further includes a second seal ring 445, the second seal ring 445 being disposed on a side of the third stop ring 443 remote from the fixed tube 41, the second seal ring 445 having an outer diameter greater than inner diameters of the third stop ring 443 and the first stop ring 48.
By providing the second seal ring 445, the gap between the third stopper 443 and the first stopper 48 can be sealed, and the air that enters the flexible pipe 43 can be prevented from leaking out through the gap between the third stopper 443 and the first stopper 48.
In one embodiment, the filter member 44 further includes a plurality of limiting portions 446, and the limiting portions 446 are connected to the outer wall of the filter cartridge 441 and are spaced apart along the outer wall of the filter cartridge 441. It should be appreciated that the plurality of limiting portions 446 are segments disposed along the circumferential direction of the filter cartridge 441, and the corners of the side of the limiting portions 446 facing away from the filter cartridge 441 are rounded.
By providing the plurality of restriction portions 446, the presence of the plurality of restriction portions 446 can maintain the coaxial alignment of the filter cartridge 441 with the fixed tube 41, and prevent the third restriction ring 443 from being misaligned with the fixed tube 41 due to the deviation of the axis of the filter cartridge 441 from the axis of the fixed tube 41.
In one embodiment, the filter assembly 4 further includes a fourth limiting ring 49, wherein the fourth limiting ring 49 is disposed in the fixed tube 41, coaxially disposed with the tapered hole 41a, and disposed on a side of the sealing ball 42 near the first communicating tube 2, and an inner diameter of the fourth limiting ring 49 is smaller than an outer diameter of the sealing ball 42.
By providing the fourth stopper 49, the sealing ball 42 can be prevented from sliding into the first communicating tube 2 through the fixed tube 41 under the action of gravity under the restriction of the fourth stopper 49, and the restricted movable range of the sealing ball 42 can be prevented.
In one embodiment, the air purifying device for the pressure swing adsorption nitrogen making device further comprises a dehumidifier 5, wherein the air inlet end of the dehumidifier 5 is communicated with the air outlet end of the second communicating tube 3, the air outlet end of the dehumidifier 5 is communicated with the air inlet end of a pressure swing adsorption nitrogen making machine (not shown in the figure), and the dehumidifier 5 is used for removing moisture in the air entering the pressure swing adsorption nitrogen making machine.
The present utility model is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present utility model are intended to be included in the scope of the present utility model.
Claims (10)
1. An air purification device for a pressure swing adsorption nitrogen making device, comprising:
an air compression assembly;
the first communication cylinder is communicated with the air outlet end of the air compression assembly;
the second communication cylinder is provided with an air outlet hole communicated with the inside;
the filter assembly comprises a fixed pipe, a sealing ball, a flexible pipe, a filter element, a pushing element and a one-way valve, wherein the fixed pipe is communicated with the first communicating cylinder, a conical hole communicated with the first communicating cylinder is formed in the fixed pipe, the sealing ball is arranged in the conical hole and can seal the conical hole under the pushing of air flow, one end of the flexible pipe is detachably connected with the fixed pipe, the other end of the flexible pipe is communicated with the second communicating cylinder, the filter element is detachably arranged in the fixed pipe, and the pushing element is connected with the filter element and is used for relieving the sealing of the conical hole; the one-way valve is arranged on the flexible pipe and used for controlling one-way conduction of the flexible pipe from the fixed pipe to the second communication cylinder.
2. The air cleaning apparatus for a pressure swing adsorption nitrogen generating apparatus according to claim 1, wherein said tapered hole gradually decreases in inner diameter in a direction away from said first communicating tube.
3. The air cleaning device for a pressure swing adsorption nitrogen generator according to claim 1, wherein the outer wall of the end of the fixed tube remote from the first communicating tube is provided with an external thread in the axial direction, and the filter assembly further comprises a connecting member rotatably connected to the flexible tube and screwed to the fixed tube.
4. The air purification device for a pressure swing adsorption nitrogen generator according to claim 3, wherein the connecting member comprises a connecting tube, an inner wall of the connecting tube is provided with an inner thread, and the connecting tube is rotatably connected with the flexible tube and is in threaded connection with the fixed tube.
5. The air cleaning device for a pressure swing adsorption nitrogen generator of claim 4, wherein said filter assembly further comprises a first stop collar, said first stop collar being connected to an end of said flexible tube adjacent said fixed tube; the connecting cylinder is rotatably sleeved on the first limiting ring, the connecting piece further comprises a second limiting ring, the second limiting ring is arranged on one side, away from the fixed pipe, of the connecting cylinder, and the inner diameter of the second limiting ring is smaller than the outer diameter of the first limiting ring.
6. The air purification device for the pressure swing adsorption nitrogen making device according to claim 5, wherein the filter element comprises a filter cartridge, a filter packing layer and a third limiting ring, the filter cartridge is slidably inserted in the fixed pipe and is provided with a through hole through which air flows, the filter packing layer is internally arranged in the filter cartridge, the third limiting ring is fixedly sleeved in the filter cartridge, and the inner diameter of the third limiting ring is larger than the outer diameter of the fixed pipe and smaller than the inner diameter of the connecting cylinder.
7. The air purification device for a pressure swing adsorption nitrogen making device according to claim 6, wherein the filter further comprises a first sealing ring, the first sealing ring is sleeved on the filter cartridge and is arranged at one end of the third limiting ring, which is close to the fixed pipe, and the outer diameter of the first sealing ring is larger than the inner diameter of the fixed pipe.
8. The air cleaning device for a pressure swing adsorption nitrogen generator of claim 6, wherein said filter further comprises a second seal ring disposed on a side of said third stop collar remote from said fixed tube, said second seal ring having an outer diameter greater than inner diameters of said third stop collar and said first stop collar.
9. The air cleaning device for a pressure swing adsorption nitrogen generator of claim 6, wherein said filter further comprises a plurality of limiting portions, said plurality of limiting portions being connected to and spaced along an outer wall of said filter cartridge.
10. The air cleaner for a pressure swing adsorption nitrogen generator of claim 1, wherein the filter assembly further comprises a fourth stop collar disposed within the fixed tube and coaxially disposed with the tapered bore and disposed on a side of the sealing ball adjacent the first communication tube, the fourth stop collar having an inner diameter smaller than an outer diameter of the sealing ball.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320689975.4U CN219462879U (en) | 2023-03-31 | 2023-03-31 | Air purification device for pressure swing adsorption nitrogen making device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320689975.4U CN219462879U (en) | 2023-03-31 | 2023-03-31 | Air purification device for pressure swing adsorption nitrogen making device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219462879U true CN219462879U (en) | 2023-08-04 |
Family
ID=87467622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320689975.4U Active CN219462879U (en) | 2023-03-31 | 2023-03-31 | Air purification device for pressure swing adsorption nitrogen making device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219462879U (en) |
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2023
- 2023-03-31 CN CN202320689975.4U patent/CN219462879U/en active Active
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