CN212818640U

CN212818640U - Air filter pipe for molecular sieve adsorber of air separation device

Info

Publication number: CN212818640U
Application number: CN202020534608.3U
Authority: CN
Inventors: 李清波; 李国中
Original assignee: Henan Jindadi Chemical Industry Co Ltd
Current assignee: Henan Jindadi Chemical Industry Co Ltd
Priority date: 2020-04-13
Filing date: 2020-04-13
Publication date: 2021-03-30
Anticipated expiration: 2030-04-13

Abstract

The utility model relates to an air filter tube for molecular sieve adsorber of air separation plant, including a pipe body, the bottom intercommunication of body has the gathering cover, the bottom swing joint of gathering cover has the seal cover, the air inlet duct has all been seted up to body side surface left and right sides downside. The utility model discloses an improvement to the body, the air from bottom to top through first filter screen, second filter screen and third filter screen, first filter screen, second filter screen and third filter screen can shunt the processing with the air, can be with reducing first filter screen, the problem of jam appears in second filter screen and third filter screen, and the dust easily falls in the bottom of body inner chamber, when inside dust is more, press down the dead lever, the dead lever can drive first scraping ring, the second scraping ring, third scraping ring and circular scraper blade downstream, can strike off first filter screen in the removal, the dust on second filter screen and third filter screen inner wall and the outer wall is struck off, need not to divide the operation like this, and is simple and convenient, the process of clearance dust is quick.

Description

Air filter pipe for molecular sieve adsorber of air separation device

Technical Field

The utility model relates to an air filter tube technical field for air separation plant's molecular sieve adsorber specifically is an air filter tube for air separation plant's molecular sieve adsorber.

Background

The air separation device in the chemical internal compression process is characterized in that purified air passes through a molecular sieve adsorber, the temperature is raised to 20 ℃, and then the purified air is divided into three paths: firstly, one path of air exchanges heat with return gas (polluted nitrogen and crude argon) in a low-pressure main heat exchanger to reach the temperature close to air liquefaction temperature of about-171 ℃, and then enters a lower tower for rectification; and pumping the second path of air out of the air pipeline behind the molecular sieve purification system to be used as air of a user factory. Thirdly, the third path of air enters a booster air compressor for boosting, and the compressed air is divided into three parts.

The front end of the molecular sieve adsorber is provided with an air purification pipeline, and dust in the air is mainly subjected to purification treatment, but the air filtration pipeline has the defect in use, namely when the dust in the air is more, the pipeline needs to be split, and the dust removal operation is performed on an internal filter element, so that the operation is troublesome, and the efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model provides an air filter tube for molecular sieve adsorber of air separation plant, the problem of proposing in the background art has been solved to the not enough of prior art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an air filter tube for molecular sieve adsorber of air separation plant, includes the body, the bottom intercommunication of body has the gathering cover, the bottom swing joint of gathering cover has the seal cover, the air inlet duct has all been seted up to the downside of the body side surface left and right sides, the upside of the body side surface left and right sides has all been seted up out the air duct, go out the air duct with outlet duct and intake pipe are cup jointed respectively in the air inlet duct, fixed cover has been cup jointed in the body, fixed cover has cup jointed first filter screen, cup jointed the second filter screen in the first filter screen, cup jointed the third filter screen in the second filter screen, the body top is inlayed and is had the sealing ring, the dead lever has been cup jointed in the sealing ring, the bottom fixedly connected with horizontal pole of dead lever, the bottom fixedly connected with a plurality of branches of horizontal pole side surface, it is a, The scraper comprises a second scraping ring, a third scraping ring and a circular scraper, wherein the outer wall of the circular scraper is in contact with the inner wall of the third filter screen.

An air filter tube for air separation plant's molecular sieve adsorber, preferred, the top fixedly connected with screw thread ring of gathering cover, screw thread ring threaded connection be in the below of body inner chamber, seal cover threaded connection be in on the thread groove that gathering cover bottom was seted up.

An air filter pipe for molecular sieve adsorber of air separation plant, preferred, the inner wall of first scraping ring with the outer wall contact of first filter screen, the outer wall overlap joint of first scraping ring in on the inner wall of fixed cover.

An air filter pipe for molecular sieve adsorber of air separation plant, preferred, the inner wall of second scraping ring with the outer wall overlap joint of second filter screen, the outer wall of second scraping ring with the inner wall overlap joint of first filter screen.

An air filter pipe for molecular sieve adsorber of air separation plant, preferred, the inner wall of third scraping ring with the outer wall contact of third filter screen, the third scraping ring outer wall with the inner wall contact of second filter screen.

If an air filter tube for molecular sieve adsorber of air separation plant, preferred, the horizontal handle of top fixedly connected with of dead lever, the separation net has been cup jointed to the top of fixed cover inner chamber, just the bottom of branch runs through the separation net.

The utility model provides an air filter tube for molecular sieve adsorber of air separation plant. The method has the following beneficial effects:

the utility model improves the tube body, because the outside air passes through the fixed sleeve in the tube body from the air inlet pipe and then enters the molecular sieve absorber from the air outlet pipe, therefore, the air passes through the first filter screen, the second filter screen and the third filter screen from bottom to top, the first filter screen, the second filter screen and the third filter screen can carry out shunting treatment on the air, the problem of blockage of the first filter screen, the second filter screen and the third filter screen can be reduced in a mode of flowing from bottom to top, and the dust easily falls in the bottom of body inner chamber, and when inside dust was more, the dead lever was pressed down, and the dead lever can drive first scraping ring, second scraping ring, third scraping ring and circular scraper blade downstream, can strike off the dust on first filter screen, second filter screen and third filter screen inner wall and the outer wall in the removal, need not to carry out the partition operation like this, and is simple and convenient, and the process of clearance dust is quick.

Drawings

FIG. 1 is a schematic view of the present invention;

fig. 2 is a front sectional view of the present invention.

In the figure: the device comprises a pipe body 1, a gathering sleeve 2, a thread ring 3, a sealing sleeve 4, an air inlet groove 5, an air outlet groove 6, an air inlet pipe 7, an air outlet pipe 8, a fixing sleeve 9, a first scraping ring 10, a first filter screen 11, a second scraping ring 12, a second filter screen 13, a third scraping ring 14, a circular scraper 15, a third filter screen 16, a separating screen 17, a sealing ring 18, a fixing rod 19, a cross rod 20 and a support rod 21.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-2, the utility model provides a technical solution: an air filter tube for a molecular sieve adsorber of an air separation device comprises a tube body 1, wherein the bottom of the tube body 1 is communicated with a gathering sleeve 2, the bottom of the gathering sleeve 2 is movably connected with a sealing sleeve 4, air inlet grooves 5 are formed in the lower sides of the left side and the right side of the side surface of the tube body 1, air outlet grooves 6 are formed in the upper sides of the left side and the right side of the side surface of the tube body 1, an air outlet pipe 8 and an air inlet pipe 7 are sleeved in the air outlet grooves 6 and the air inlet grooves 5 respectively, a fixing sleeve 9 is sleeved in the tube body 1, a first filter screen 11 is sleeved in the fixing sleeve 9, a second filter screen 13 is sleeved in the first filter screen 11, a third filter screen 16 is sleeved in the second filter screen 13, a sealing ring 18 is inlaid in the top of the tube body 1, a fixing rod 19 is sleeved in the sealing ring 18, the bottom end, A second scraper ring 12, a third scraper ring 14 and a circular scraper 15, the outer wall of the circular scraper 15 being in contact with the inner wall of a third screen 16.

Because the external air passes through the fixed sleeve 9 in the pipe body 1 from the air inlet pipe 7 and then enters the molecular sieve adsorber from the air outlet pipe 8, the air passes through the first filter screen 11, the second filter screen 13 and the third filter screen 16 from bottom to top, the first filter screen 11, the second filter screen 13 and the third filter screen 16 can divide the air, the problem of blockage of the first filter screen 11, the second filter screen 13 and the third filter screen 16 can be reduced in a mode of circulation from bottom to top, and the dust is easy to fall at the bottom of the inner cavity of the pipe body, when the dust in the inner part is more, the fixing rod is pressed downwards, the fixing rod can drive the first scraping ring 10, the second scraping ring 12, the third scraping ring 14 and the circular scraping plate 15 to move downwards, the dust on the inner wall and the outer wall of the first filter screen 11, the second filter screen 13 and the third filter screen 16 can be scraped in the movement, so that the splitting operation is not needed, the operation is simple, the process of cleaning up the dust is fast.

In order to guarantee that can be quick with the inside dust discharge body 1 of body, the top fixedly connected with threaded ring 3 of gathering cover 2, 3 threaded connection of threaded ring are in the below of 1 inner chamber of body, and 4 threaded connection of seal cover are on the thread groove that 2 bottoms of gathering set were seted up, rotate gathering cover 2, and threaded ring 3 can be dismantled from body 1.

Specifically, the inner wall of the first scraping ring 10 is in contact with the outer wall of the first screen 11, and the outer wall of the first scraping ring 10 is overlapped on the inner wall of the fixing sleeve 9. The inner wall of the second scraper ring 12 is overlapped with the outer wall of the second screen 13, and the outer wall of the second scraper ring 12 is overlapped with the inner wall of the first screen 11. The inner wall of the third scraper ring 14 is in contact with the outer wall of the third screen 16, and the outer wall of the third scraper ring 14 is in contact with the inner wall of the second screen 13. The first scraping ring 10, the second scraping ring 12, the third scraping ring 14 and the circular scraping plate 15 are all provided with vent holes for empty circulation.

Specifically, the top end of the fixing rod 19 is fixedly connected with a transverse handle, the separation net 17 is sleeved above the inner cavity of the fixing sleeve 9, and the bottom end of the supporting rod 21 penetrates through the separation net 17.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a reference structure" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an air filter tube for air separation plant's molecular sieve adsorber, includes body (1), its characterized in that: the bottom of body (1) intercommunication has gathering cover (2), the bottom swing joint of gathering cover (2) has seal cover (4), inlet duct (5) have all been seted up to the downside of body (1) side surface left and right sides, go out air duct (6) have all been seted up to the upside of body (1) side surface left and right sides, go out air duct (6) with cup joint outlet duct (8) and intake pipe (7) respectively in inlet duct (5), fixed cover (9) has been cup jointed in body (1), first filter screen (11) has been cup jointed in fixed cover (9), second filter screen (13) has been cup jointed in first filter screen (11), third filter screen (16) has been cup jointed in second filter screen (13), body (1) top is inlayed and is had sealing ring (18), dead lever (19) has been cup jointed in sealing ring (18), the bottom fixedly connected with horizontal pole (20) of dead lever (19), the bottom fixedly connected with a plurality of branches (21) of horizontal pole (20) side surface, it is a plurality of the first ring (10), second scraper ring (12), third scraper ring (14) and circular scraper blade (15) of scraping of bottom fixedly connected with of branch (21), the outer wall of circular scraper blade (15) with the inner wall contact of third filter screen (16).

2. The air filter tube for the molecular sieve adsorber of the air separation plant according to claim 1, characterized in that: the top of the gathering sleeve (2) is fixedly connected with a threaded ring (3), the threaded ring (3) is in threaded connection with the lower portion of the inner cavity of the pipe body (1), and the sealing sleeve (4) is in threaded connection with a threaded groove formed in the bottom end of the gathering sleeve (2).

3. The air filter tube for the molecular sieve adsorber of the air separation plant according to claim 1, characterized in that: the inner wall of the first scraping ring (10) is in contact with the outer wall of the first filter screen (11), and the outer wall of the first scraping ring (10) is lapped on the inner wall of the fixed sleeve (9).

4. The air filter tube for the molecular sieve adsorber of the air separation plant according to claim 1, characterized in that: the inner wall of the second scraping ring (12) is in lap joint with the outer wall of the second filter screen (13), and the outer wall of the second scraping ring (12) is in lap joint with the inner wall of the first filter screen (11).

5. The air filter tube for the molecular sieve adsorber of the air separation plant according to claim 1, characterized in that: the inner wall of the third scraping ring (14) is in contact with the outer wall of the third filter screen (16), and the outer wall of the third scraping ring (14) is in contact with the inner wall of the second filter screen (13).

6. The air filter tube for the molecular sieve adsorber of the air separation plant according to claim 1, characterized in that: the top fixedly connected with horizontal handle of dead lever (19), separation net (17) has been cup jointed to the top of fixed cover (9) inner chamber, just the bottom of branch (21) runs through separation net (17).