CN217092801U

CN217092801U - Adsorption tower with detachable compression assembly

Info

Publication number: CN217092801U
Application number: CN202221039768.6U
Authority: CN
Inventors: 赵冲
Original assignee: Hangzhou Shengda Mechanical & Electrical Hi Tech Co ltd
Current assignee: Hangzhou Shengda Mechanical & Electrical Hi Tech Co ltd
Priority date: 2022-04-28
Filing date: 2022-04-28
Publication date: 2022-08-02
Anticipated expiration: 2032-04-28

Abstract

The utility model relates to a take detachable adsorption tower that compresses tightly subassembly. The existing adsorption tower is troublesome to disassemble, assemble and maintain. The utility model discloses a tower body of lid and the subassembly that compresses tightly of setting at the lid middle part are taken at the top, and filling molecular sieve is contradicted by compressing tightly the subassembly and is compressed tightly in the tower body, the lid middle part is equipped with the vertical pipe fitting that link up, it installs to compress tightly subassembly detachably in the pipe fitting to make the pipe fitting inner chamber can form access way after the dismantlement compresses tightly the subassembly. Set up the pipe fitting that can supply to compress tightly the subassembly dismouting in lid middle part for the tower body accessible is dismantled and is compressed tightly the subassembly and realize overhauing maintaining compressing tightly subassembly or molecular sieve, need not to use hoisting equipment to dismantle the lid, has reduced the dismouting and has maintained degree of difficulty and cost, promotes to use and experiences.

Description

Adsorption tower with detachable compression assembly

Technical Field

The utility model relates to a gaseous preparation field, concretely relates to adsorption tower.

Background

The existing adsorption tower for preparing gas comprises a tower body and a molecular sieve arranged in the tower body, and the air is separated and purified by utilizing the characteristic that the molecular sieve adsorbs specific gas under specific pressure. The top of the tower body is provided with a detachable cover body, and in order to reduce the friction and pulverization phenomenon of the molecular sieve in the using process, a pressing component for pressing the molecular sieve is arranged on the cover body, so that the friction of the molecular sieve in relative movement is reduced in a pressed state, and the service life of the molecular sieve is effectively prolonged. However, the existing compressing assembly has a complex structure, and when the compressing assembly or the molecular sieve needs to be maintained, the heavy cover body needs to be detached from the tower body under the assistance of hoisting equipment, so that the difficulty in dismounting and maintenance is increased, the maintenance cost is increased, and the use experience is influenced.

SUMMERY OF THE UTILITY MODEL

In order to solve the not enough of prior art, the utility model provides a band compression assembly's adsorption tower compresses tightly the subassembly through setting up detachable at the lid middle part and forms access passage, reduces the dismouting and maintains the degree of difficulty and cost, promotes to use and experiences.

The utility model discloses a following mode realizes: the utility model provides an area compresses tightly adsorption tower of subassembly, includes the tower body of lid and the subassembly that compresses tightly of setting at the lid middle part in the top area, filling molecular sieve is contradicted by compressing tightly the subassembly and is compressed tightly in the tower body, the lid middle part is equipped with the vertical pipe fitting that link up, it installs to compress tightly subassembly detachably in the pipe fitting to make the pipe fitting inner chamber can form the maintenance passageway after dismantling and compressing tightly the subassembly. Set up the pipe fitting that can supply to compress tightly the subassembly dismouting in lid middle part for the tower body accessible is dismantled and is compressed tightly the subassembly and realize overhauing maintaining compressing tightly subassembly or molecular sieve, need not to use hoisting equipment to dismantle the lid, has reduced the dismouting and has maintained degree of difficulty and cost, promotes to use and experiences.

Preferably, the compressing assembly comprises a pressing plate which is inserted into the pipe in a liftable mode and a closing plate which is detachably and fixedly connected to the upper end port of the pipe, the inner cavity of the pipe is located in a section between the pressing plate and the closing plate to form a compressing cavity, and the compressing cavity receives outside high-pressure air to drive the pressing plate to move downwards and abut against the molecular sieve in the compressing tower body. The clamp plate and the seal plate are detachably mounted on the pipe fitting, so that the effect of compressing the molecular sieve can be achieved, the pipe fitting can form an overhaul channel after the seal plate and the clamp plate are dismounted, and the tower body is conveniently overhauled and maintained.

Preferably, the periphery of the upper port of the pipe fitting is provided with a flange ring, and the sealing plate completely covers the upper port of the pipe fitting from top to bottom and is in threaded connection and locking with the flange ring through the periphery. The shrouding passes through the fastener rigid coupling on the flange ring, has both ensured that the shrouding can seal the up end mouth of shutoff pipe fitting, ensures to compress tightly the chamber and seals, and still the person of facilitating the use dismantles and bare-handed removal from the shrouding that weight is lighter, conveniently maintains the assembly.

Preferably, be equipped with the through-hole that a plurality of circumference equidistance branch was put on the flange ring, the periphery of shrouding be equipped with the perforation that the through-hole corresponds one by one, the fastener passes through perforation and through-hole and locks with the nut spiro union, both guaranteed shrouding and flange ring sealing connection through setting up a plurality of fasteners, still utilize shorter flange ring girth to reduce the fastener and set up quantity, and then shorten when dismantling, make things convenient for the dismouting to maintain.

Preferably, the diameter of the flange ring is smaller than the diameter of the outer edge of the cover body. Reduce the through-hole through reducing flange ring diameter and set up quantity, and then make things convenient for the dismouting through reducing fastener quantity.

Preferably, the middle part of the sealing plate is provided with an inflation tube for filling high-pressure air into the compaction cavity, and the inflation tube is provided with a one-way valve for limiting the leakage of the high-pressure air in the compaction cavity through the inflation tube. The gas tube receives external high-pressure air and fills to compressing tightly the intracavity for compress tightly the intracavity air pressure and rise and push the tight molecular sieve of conflict of clamp plate, prevent that the molecular sieve from taking place the condition of pulverization because of the looks mutual friction, extension molecular sieve life. The check valve can prevent to compress tightly the intracavity atmospheric pressure and keep at the highest numerical value for external air supply can be aerifyd to compressing tightly the chamber intermittently, reduces and to the long requirement of time of external air supply's air feed.

Preferably, the periphery profile of the pressing plate is matched with the radial section profile of the inner side wall of the pipe fitting, a sealing ring is arranged on the outer side wall of the pressing plate, and the sealing ring seals a gap between the outer side wall of the pressing plate and the inner side wall of the pipe fitting, so that the pressing plate can lift along the axis of the pipe fitting in a horizontal posture. The pressing plate can move downwards when the air pressure in the pressing cavity rises, and plays a role in pressing the molecular sieve. The sealing ring can effectively block a gap between the pressing plate and the inner side wall of the pipe fitting, high-pressure air in the pressing cavity is prevented from entering the tower body, and the pressing force of the pressing plate on the molecular sieve is ensured.

Preferably, the number of the sealing rings is at least two, the sealing rings are arranged in a height staggered mode, and the sealing effect is improved by arranging the plurality of sealing rings.

Preferably, the outer side wall of the pressure plate is provided with an annular embedding groove for embedding the inner edge of the sealing ring. The inner edge of the sealing ring is embedded in the embedding groove, so that the sealing ring is limited, the sealing ring is prevented from being separated from the outer side wall of the pressing plate, and the sealing performance can be improved by increasing the contact area between the sealing ring and the pressing plate.

Preferably, the top surface of the pressure plate is provided with a handle, and the handle forms a force application point for lifting, taking, dismounting and mounting the pressure plate. The user is through carrying the clamp plate by the handle, makes things convenient for dismouting clamp plate.

Preferably, a guide assembly is arranged between the pressure plate and the sealing plate, the guide assembly comprises a guide pipe and a guide rod which are coaxially arranged along the lifting direction of the pressure plate, and the guide rod is inserted into the guide pipe and guides the pressure plate to lift along a preset path. The guide assembly is used for guiding the pressing plate to ascend and descend along a preset path in a horizontal posture, so that the pressing plate can be ensured to stably compress the molecular sieve, the outer side wall of the pressing plate can be always tightly attached to the inner side wall of the pipe fitting, and the tightness of the compression cavity is ensured.

Preferably, the guide assemblies are at least three groups and are distributed at equal intervals along the circumferential direction of the pressing plate. The guide precision is improved by arranging a plurality of groups of guide assemblies, and the pressing plate is ensured to lift along a preset path in a horizontal posture.

The utility model has the advantages that: set up the pipe fitting that can supply to compress tightly the subassembly dismouting in lid middle part for the tower body accessible is dismantled and is compressed tightly the subassembly and realize overhauing maintaining compressing tightly subassembly or molecular sieve, need not to use hoisting equipment to dismantle the lid, has reduced the dismouting and has maintained degree of difficulty and cost, promotes to use and experiences.

Drawings

FIG. 1 is a schematic perspective view of a partial cross-sectional structure of the adsorption column;

FIG. 2 is a schematic view of a partial cross-sectional structure of the adsorption column;

FIG. 3 is a schematic structural view of the adsorption tower;

in the figure: 1. the tower body, 2, a cover body, 3, a pipe fitting, 4, a pressing plate, 5, a sealing plate, 6, an inflation pipe, 7, a sealing ring, 8, an embedded groove, 9, a guide rod, 10, a guide pipe, 11, a flange ring, 12 and a handle.

Detailed Description

The essential features of the invention will be further explained below with reference to the drawings and the detailed description of the invention.

As shown in fig. 1, 2 and 3, the adsorption tower with the compressing assembly is composed of a tower body 1 with a cover body 2 at the top and a compressing assembly arranged in the middle of the cover body 2, wherein a molecular sieve is filled in the tower body 1 and is pressed by the compressing assembly in an abutting mode, a vertical through pipe fitting 3 is arranged in the middle of the cover body 2, and the compressing assembly is detachably arranged in the pipe fitting 3, so that an inner cavity of the pipe fitting 3 can form an overhaul channel after the compressing assembly is detached. Set up the pipe fitting 3 that can supply to compress tightly the subassembly dismouting in lid 2 middle part for 1 accessible dismantlement of tower body compresses tightly the subassembly and realizes overhauing maintaining compressing tightly subassembly or molecular sieve, need not to use hoisting equipment to dismantle lid 2, has reduced the dismouting and has maintained degree of difficulty and cost, promotes to use and experiences.

In practical operation, the compressing assembly comprises a pressing plate 4 inserted into the pipe 3 in a liftable manner and a closing plate 5 detachably and fixedly connected to an upper end port of the pipe 3, a compressing cavity is formed in a section of an inner cavity of the pipe 3 located between the pressing plate 4 and the closing plate 5, and the compressing cavity receives external high-pressure air to drive the pressing plate 4 to move downwards and press against the molecular sieve in the tower body 1. When the adsorption tower is assembled, firstly, the cover body 2 is covered on the top of the tower body 1, the periphery of the cover body 2 is in threaded connection and locking with the tower body 1 through a fastening piece, and an overhaul channel is formed in a pipe fitting 3 of the cover body 2; then, filling a molecular sieve into the inner cavity of the tower body 1 through the overhaul channel, so that the molecular sieve is filled into the lower port of the pipe fitting 3; then, inserting the pressing plate 4 sleeved with the sealing ring 7 into the pipe fitting 3 by grasping the handle, so that the outer side wall of the pressing plate 4 is in sealing fit with the inner side wall of the pipe fitting 3 through the sealing ring 7; finally, the closing plate 5 is closed onto the upper port of the pipe 3 from top to bottom, the guide rods 9 being inserted in the corresponding guide tubes, the closing plate 5 being superimposed peripherally in alignment with the flange ring 11 and being fastened by means of fasteners.

After being installed in place, the pipe 3 is positioned in the area between the closing plate 5 and the pressing plate 4 to form a pressing cavity. When the device is used, the inflation tube 6 receives external high-pressure air and conveys the air into the compaction cavity, the air pressure in the compaction cavity rises and pushes the pressing plate 4 to downwards compact the molecular sieve, so that the molecular sieve is compacted and fixed, and the friction pulverization is prevented.

In actual operation, the middle part of the sealing plate 5 is provided with an inflation tube 6 for filling high-pressure air into the compression cavity, and the inflation tube 6 is provided with a one-way valve to limit the leakage of the high-pressure air in the compression cavity through the inflation tube 6. When the device is used, the inflation tube 6 receives external high-pressure air and conveys the air to the compaction cavity, the one-way valve can prevent the high-pressure air in the compaction cavity from being discharged outwards, the inflation tube 6 can convey the high-pressure air to the compaction cavity intermittently, the air pressure in the compaction cavity is always kept at a high vertical position, and the molecular sieve is continuously pressurized.

In actual operation, the top surface of the pressing plate 4 is provided with a handle 12, and the handle 12 forms an acting point for lifting, taking, dismounting and mounting the pressing plate 4. When the subassembly that compresses tightly is dismantled to needs, earlier come to detach shrouding 5 from pipe fitting 3 through dismantling the fastener, later, pull handle 12 through carrying and pull away clamp plate 4 from pipe fitting 3 for 1 inner chamber of tower body is through the access way in the pipe fitting 3 and the exterior space leads to.

In practical operation, the periphery of the upper port of the pipe fitting 3 is provided with a flange ring 11, and the sealing plate 5 completely covers the upper port of the pipe fitting 3 from top to bottom and is screwed and locked with the flange ring 11 through the periphery. Through

flange ring

11 and 5 peripheral laminating sealss of shrouding, ensure to compress tightly that intracavity highly-compressed air can not take place to leak, ensure to compress tightly the chamber and can order about clamp plate 4 throughout and contradict and compress tightly the molecular sieve. In addition, the diameter of flange ring 11 is less than the diameter of lid 2 outer fringe for demolish the fastener quantity that 5 required dismantlements of shrouding are less than demolish the fastener quantity that 2 required dismantlements of lid, effectively reduce the time of dismantling the fastener, still conveniently carry take weight lighter shrouding 5, conveniently dismantle the maintenance.

In actual operation, be equipped with the through-hole that a plurality of circumference equidistance branch was put on the flange ring 11, the periphery of shrouding 5 be equipped with the perforation that the through-hole corresponds one by one, the fastener passes through perforation and through-hole and locks with the nut spiro union, both ensures that 11 top surfaces of flange ring can closely laminate with 5 bottom surface peripheries of shrouding, can also shorten when the dismouting through reasonable control fastener quantity.

In this embodiment, the peripheral profile of the pressing plate 4 is matched with the radial cross-sectional profile of the inner side wall of the pipe fitting 3, the outer side wall of the pressing plate 4 is provided with a sealing ring 7, and the sealing ring 7 seals a gap between the outer side wall of the pressing plate 4 and the inner side wall of the pipe fitting 3, so that the pressing plate 4 can lift along the axis of the pipe fitting 3 in a horizontal posture. And an annular caulking groove 8 for embedding the inner edge of the sealing ring 7 is formed in the outer side wall of the pressing plate 4. The outer edge of the sealing ring 7 is tightly attached to the inner side wall of the pipe fitting 3, and the inner edge of the sealing ring is tightly attached to the groove wall of the caulking groove 8, so that the sealing ring 7 can be synchronously lifted along with the pressing plate 4, and the sealing effect of the sealing ring 7 is effectively improved.

In this embodiment, there are at least two sealing rings 7, and the sealing rings 7 are arranged in a height-staggered manner, and preferably three sealing rings 7 are provided to ensure the sealing connection between the pressure plate 4 and the inner side wall of the pipe 3.

In this embodiment, a guide assembly is disposed between the pressing plate 4 and the sealing plate 5, the guide assembly includes a guide tube 10 and a guide rod 9 coaxially disposed along a lifting direction of the pressing plate 4, and the guide rod 9 is inserted into the guide tube 10 and guides the pressing plate 4 to lift along a predetermined path. The guide assembly can be a set of, sets up in 4 middle parts of clamp plate, the guide assembly can be two sets of, three groups, and distributes along 4 periphery circumference equidistance of clamp plate, all should regard as the utility model discloses a specific embodiment.

Claims

1. The utility model provides a take detachable adsorption tower who compresses tightly subassembly, includes tower body (1) of top area lid (2) and sets up the subassembly that compresses tightly at lid (2) middle part, and filling molecular sieve is contradicted by compressing tightly the subassembly and is compressed tightly its characterized in that in tower body (1), lid (2) middle part is equipped with vertical pipe fitting (3) that link up, it installs to compress tightly subassembly detachably in pipe fitting (3) to make pipe fitting (3) inner chamber can compress tightly the formation access way behind the subassembly in the dismantlement.

2. The adsorption tower with the detachable compression assembly as claimed in claim 1, wherein the compression assembly comprises a compression plate (4) inserted into the pipe (3) in a lifting manner and a closing plate (5) detachably and fixedly connected to the upper end of the pipe (3), the section of the inner cavity of the pipe (3) between the compression plate (4) and the closing plate (5) forms a compression cavity, and the compression cavity receives external high-pressure air to drive the compression plate (4) to move downwards and press against the molecular sieve in the tower body (1).

3. The adsorption tower with the detachable compression assembly as claimed in claim 2, wherein a flange ring (11) is provided around the circumference of the upper port of the pipe (3), and the closing plate (5) completely covers the upper port of the pipe (3) from top to bottom and is screwed and locked with the flange ring (11) through the circumference.

4. The adsorption tower with the detachable compression assembly as claimed in claim 3, wherein the flange ring (11) is provided with a plurality of through holes which are circumferentially and equidistantly arranged, the periphery of the sealing plate (5) is provided with through holes which correspond to the through holes one by one, and the fastening member passes through the through holes and is screwed and locked with the nut; or the diameter of the flange ring (11) is smaller than that of the outer edge of the cover body (2).

5. The adsorption tower with the detachable compression assembly as claimed in claim 2, wherein an inflation tube (6) for filling high pressure air into the compression cavity is disposed in the middle of the sealing plate (5), and a check valve is disposed on the inflation tube (6) to limit the leakage of high pressure air in the compression cavity through the inflation tube (6).

6. The adsorption tower with the detachable compression assembly as claimed in any one of claims 2 to 5, wherein the peripheral profile of the pressure plate (4) matches the radial cross-sectional profile of the inner side wall of the pipe (3), the outer side wall of the pressure plate (4) is provided with a sealing ring (7), and the sealing ring (7) seals a gap between the outer side wall of the pressure plate (4) and the inner side wall of the pipe (3), so that the pressure plate (4) can be lifted along the axis of the pipe (3) in a horizontal posture.

7. The adsorption tower with the detachable compression assembly as claimed in claim 6, wherein the number of the sealing rings (7) is at least two, and the sealing rings are arranged in a height-staggered manner; or an annular embedding groove (8) for embedding the inner edge of the sealing ring (7) is formed in the outer side wall of the pressure plate (4).

8. The adsorption tower with the detachable compression assembly as claimed in claim 2, wherein a handle (12) is provided on the top surface of the pressure plate (4), and the handle (12) forms a force point for lifting and taking the pressure plate (4).

9. The adsorption tower with the detachable pressing assembly according to any one of claims 2 to 5, wherein a guide assembly is disposed between the pressing plate (4) and the closing plate (5), the guide assembly comprises a guide tube (10) and a guide rod (9) coaxially disposed along a lifting direction of the pressing plate (4), and the guide rod (9) is inserted into the guide tube (10) and guides the pressing plate (4) to lift along a predetermined path.

10. The adsorption tower with a detachable pressing assembly according to claim 9, wherein the guiding assemblies are at least three groups and are circumferentially and equidistantly distributed along the circumference of the pressing plate (4).