CN217463560U

CN217463560U - Air inlet pipe with dust removal structure for air separation equipment

Info

Publication number: CN217463560U
Application number: CN202220496492.8U
Authority: CN
Inventors: 祝甜甜; 祝玉婷; 邱灿辉
Original assignee: Lichuan Hongda Gas Co ltd
Current assignee: Lichuan Hongda Gas Co ltd
Priority date: 2022-03-07
Filing date: 2022-03-07
Publication date: 2022-09-20
Anticipated expiration: 2032-03-07

Abstract

The utility model discloses an air inlet pipe with a dust removing structure for air separation equipment, which comprises an air inlet pipe main body and a main pipeline, wherein the main pipeline is arranged on the right side of the air inlet pipe main body and is used for gas transmission; further comprising: the side of the protruding part is provided with a filter screen, and the side of the filter screen and the protruding part are mutually connected through a positioning bolt; the limiting sleeve is fixedly arranged at the right end of the air inlet pipe main body, a positioning block is arranged on the outer side of the limiting sleeve, and a clamping column is fixed on the side of the positioning block; the guide screw is installed in the middle of the clamping column through a bearing, and the end of the guide screw is connected with an extrusion column. This air inlet pipe for air separation equipment with dust removal structure can conveniently carry out the filtering to the dust in the gas at the in-process that uses, can improve leakproofness and stability behind the pipe connection simultaneously, avoids the phenomenon that gas appearance leaked.

Description

Air inlet pipe with dust removal structure for air separation equipment

Technical Field

The utility model relates to a relevant technical field of air separation equipment specifically is an air inlet pipe for air separation equipment with dust removal structure.

Background

Air separation plants are generally plants which use air as a raw material, convert the air into liquid by means of deep refrigeration in a compression cycle, and then separate and produce corresponding inert gases such as oxygen and nitrogen from the liquid air by means of rectification, and in air separation plants, an air inlet pipe is an important pipe for conveying the gas.

However, the conventional intake pipe has the following problems:

the impurity and the dust of current intake pipe in the in-process that uses are not convenient for in gas carry out the filtering, and the intake pipe is when being connected with other trunk lines simultaneously, is not convenient for play good sealed and spacing fixed action to lead to the pipeline to connect not hard up back easily, gaseous through connecting the gap and then the phenomenon that appears gas leakage.

We have proposed an air intake duct for an air separation plant having a dust removing structure so as to solve the problems set forth in the above.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an intake pipe for air separation equipment with dust removal structure to solve the in-process that present intake pipe was being used on the existing market that above-mentioned background art provided is not convenient for carry out the filtering to impurity and dust in the gas, the intake pipe is when being connected with other trunk lines simultaneously, be not convenient for play good sealed and spacing fixed action, thereby lead to the pipeline to connect not hard up back easily, gaseous through connecting gap and then the problem of the phenomenon that appears gas leakage.

In order to achieve the above object, the utility model provides a following technical scheme: an air inlet pipe with a dust removal structure for air separation equipment comprises an air inlet pipe main body and a main pipeline, wherein the main pipeline is installed on the right side of the air inlet pipe main body and used for gas transmission;

further comprising:

the side of the protruding part is provided with a filter screen, and the side of the filter screen and the protruding part are mutually connected through a positioning bolt;

the limiting sleeve is fixedly arranged at the right end of the air inlet pipe main body, a positioning block is arranged on the outer side of the limiting sleeve, and a clamping column is fixed on the side of the positioning block;

the guide screw is arranged in the middle of the clamping column through a bearing, and the end part of the guide screw is connected with an extrusion column;

the main air bag is arranged in the positioning block, the main air bag and the sealing air bag are connected with each other through a guide tube, a drainage tube is arranged on the side of the main air bag, and the end part of the drainage tube extends into the inner side of the part of the upper end part and the lower end part of the positioning block extending towards the right side;

the pushing block is arranged on the side of the drainage tube, the pushing block and the inner wall of the part, extending to the right side, of the upper end part and the lower end part of the positioning block are mutually connected through a built-in spring for providing resetting elasticity, and a groove is formed in the pushing block;

the upper end of the vertical rod is arranged on the inner side of the groove in the pushing block, the lower end of the vertical rod extends into the limiting sleeve, and the outer side of the vertical rod is sleeved with a return spring.

Preferably, the filter screen and the bulge are mutually attached, the bulge is uniformly distributed in the air inlet pipe main body, and the filter screen and the bulge are fixedly connected through a positioning bolt.

Through adopting above-mentioned technical scheme, thereby positioning bolt's setting can guarantee the stability of being connected between filter screen and the bulge, utilizes the setting of filter screen to carry out the filtering to impurity and dust in the air simultaneously.

Preferably, threaded connection is adopted between the guide screw and the extrusion column, and a sliding connection structure is formed between the extrusion column and the clamping column.

Through adopting above-mentioned technical scheme, thereby utilize lead screw's rotation can make the extrusion post carry out synchronous movement in the inside of joint post.

Preferably, the cross section of the lower end of the extrusion column is rectangular, and the extrusion column can extrude the main air bag made of rubber elastic materials.

Through adopting above-mentioned technical scheme, thereby can avoid it to follow lead screw and carry out synchronous revolution through the rectangle structure of extrusion post, utilize the removal of extrusion post to conveniently extrude the main gasbag simultaneously.

Preferably, the sealing airbag is arranged outside a joint of the main pipe and the air inlet pipe body, and the sealing airbag and the main airbag are communicated with each other through a guide pipe.

Through adopting above-mentioned technical scheme, thereby utilize the pressurized of main gasbag to make its inside gas of its entering to sealed gasbag inside through the guide tube, thereby can seal its junction through the inflation of sealed gasbag simultaneously.

Preferably, the outer ends of the grooves and the vertical rods on the propelling blocks are attached to each other, and the attaching surfaces between the grooves and the outer ends of the vertical rods are arranged to be oblique edges.

Through adopting above-mentioned technical scheme, the propulsion piece can push the montant through the recess on it after removing.

Compared with the prior art, the beneficial effects of the utility model are that: the air inlet pipe for the air separation equipment with the dust removal structure can conveniently filter dust in gas in the using process, and meanwhile, the sealing property and the stability after pipeline connection can be improved, and the phenomenon of gas leakage is avoided;

1. the air inlet pipe is provided with the filter screen, the filter screen is arranged in the air inlet pipe main body, so that a certain filtering effect can be achieved on gas sucked by the air inlet pipe main body, meanwhile, the extrusion column can move due to the rotation of the guide screw, the main air bag can be extruded due to the movement of the extrusion column, and the gas in the main air bag can enter the sealing air bag through the guide pipe due to the pressure of the main air bag, so that the sealing air bag is expanded, the joint of the air inlet pipe main body and the main pipeline is sealed, and the phenomenon of leakage when the gas is conveyed is avoided;

2. be provided with the montant, when the compression leg extrudees main gasbag, its inside partial gas passes through the drainage tube and outwards discharges, thereby utilize the drainage tube can promote to impel the piece and remove, thereby can push the promotion to the montant through the removal of impelling the piece and recess on it from this, thereby can press from both sides tightly the trunk line to the inboard removal of stop collar through the montant, avoid trunk line and intake pipe main part to appear not hard up phenomenon after connecting from this, guarantee the stability after trunk line and the connection of intake pipe main part.

Drawings

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

FIG. 2 is a schematic cross-sectional view of the clamp post and the extrusion post of the present invention;

FIG. 3 is a schematic side sectional view of the positioning block and the sealing airbag of the present invention;

FIG. 4 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

fig. 5 is the side-cut structure schematic diagram of the stop collar and the vertical rod of the utility model.

In the figure: 1. an air inlet pipe main body; 2. a projection; 3. a filter screen; 4. positioning the bolt; 5. a limiting sleeve; 6. a main pipeline; 7. positioning blocks; 8. a clamping column; 9. a lead screw; 10. extruding the column; 11. a main airbag; 12. a guide tube; 13. sealing the air bag; 14. a drainage tube; 15. a propulsion block; 16. a groove; 17. a built-in spring; 18. a vertical rod; 19. a return spring.

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.

Referring to fig. 1-5, the present invention provides a technical solution: an air inlet pipe with a dust removal structure for air separation equipment comprises an air inlet pipe main body 1 and a main pipeline 6, wherein the main pipeline 6 is installed on the right side of the air inlet pipe main body 1 and used for gas transmission; further comprising: the air inlet pipe comprises a protruding part 2 arranged on the inner side of an air inlet pipe main body 1, a filter screen 3 is arranged on the side of the protruding part 2, and the side of the filter screen 3 is connected with the protruding part 2 through a positioning bolt 4; the limiting sleeve 5 is fixedly arranged at the right end of the air inlet pipe main body 1, a positioning block 7 is arranged on the outer side of the limiting sleeve 5, and a clamping column 8 is fixed on the side of the positioning block 7; the guide screw 9 is installed in the middle of the clamping column 8 through a bearing, and the end part of the guide screw 9 is connected with an extrusion column 10; a main airbag 11 installed inside the positioning block 7, the main airbag 11 and the sealing airbag 13 being connected to each other through a guide tube 12, a drainage tube 14 being installed at an edge side of the main airbag 11, an end of the drainage tube 14 extending to an inner side of a portion of the positioning block 7 where upper and lower ends extend to the right side; laminating each other between filter screen 3 and the bulge 2, and bulge 2 is at the inside evenly distributed of intake pipe main part 1 to through positioning bolt 4 fixed connection between filter screen 3 and the bulge 2. The guide screw 9 is in threaded connection with the extrusion column 10, and a sliding connection structure is formed between the extrusion column 10 and the clamping column 8. The cross section of the lower end of the extrusion column 10 is rectangular, and the extrusion column 10 can extrude the main air bag 11 made of rubber elastic material. The seal airbag 13 is disposed outside the joint of the air intake pipe main body 1 and the main pipe 6, and the seal airbag 13 and the main airbag 11 communicate with each other through the guide tube 12.

As shown in fig. 1 to 3, when the air inlet pipe main body 1 is butt-jointed with the main pipe 6, the main pipe 6 is inserted into the stop collar 5 on the air inlet pipe main body 1, and then the lead screw 9 is rotated, the rotation of the lead screw 9 can make the extrusion column 10 of the threaded connection move, the main air bag 11 can be extruded by the movement of the extrusion column 10, at the moment, partial air in the main air bag 11 enters the sealing air bag 13 through the guide pipe 12, at the moment, the sealing air bag 13 can seal the joint of the air inlet pipe main body 1 and the main pipeline 6 after being expanded, the sealing performance when the air inlet pipe main body 1 is connected with the main pipeline 6 is ensured, simultaneously 1 internally mounted of intake pipe main part has filter screen 3, thereby can carry out the filtering to impurity and dust in its gas when conveying gas through 1 inside filter screen 3 of intake pipe main part, and then guarantee gaseous cleanliness factor with this.

The pushing block 15 is arranged at the side of the drainage tube 14, the pushing block 15 and the inner wall of the part of the positioning block 7, which extends to the right side from the upper end part and the lower end part, are connected with each other through an internal spring 17 for providing resetting elasticity, and a groove 16 is formed in the pushing block 15; the upper end of the vertical rod 18 is arranged on the inner side of the groove 16 on the pushing block 15, the lower end of the vertical rod 18 extends into the limiting sleeve 5, and the outer side of the vertical rod 18 is sleeved with a return spring 19. The groove 16 on the pushing block 15 and the outer end of the vertical rod 18 are attached to each other, and the attaching surface between the groove 16 and the outer end of the vertical rod 18 is set to be a bevel edge.

As shown in fig. 1 and fig. 3-5, when the main airbag 11 is squeezed, part of the gas inside the main airbag escapes through the drainage tube 14, when the gas inside the extending part on the right side of the upper end and the lower end of the positioning block 7 increases, the pushing block 15 can be pushed to move, the pushing block 15 can be moved to squeeze the vertical rod 18 through the groove 16 on the vertical rod, the main pipeline 6 can be clamped and limited through the movement of the vertical rod 18, and the stability of the main pipeline 6 when being connected with the air inlet pipe main body 1 is ensured.

The working principle is as follows: when using the air intake duct for an air separation plant having a dust removing structure, first, as shown in fig. 1 to 5, the rotation of the lead screw 9 causes the extrusion column 10 to be screwed and extrude the main bag 11, part of the gas in the main bag 11 enters the sealed bag 13 through the guide tube 12 and inflates the sealed bag, the expansion through sealed gasbag 13 and then can seal the junction of intake pipe main part 1 and trunk line 6, thereby utilize intake pipe main part 1 internally mounted's filter screen 3 can filter impurity and dust in its gas when carrying gas, the inside partial gas of main gasbag 11 can promote propulsion piece 15 and remove, utilize propulsion piece 15's removal and then can extrude the promotion through recess 16 on it to montant 18, from this through the removal of montant 18 can press from both sides tight spacing to trunk line 6.

Those not described in detail in this specification are well within the skill of the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. An air inlet pipe with a dust removal structure for air separation equipment comprises an air inlet pipe main body (1) and a main pipeline (6), wherein the main pipeline (6) is installed on the right side of the air inlet pipe main body (1) and is used for gas transmission;

it is characterized by also comprising:

the air inlet pipe comprises a protruding part (2) arranged on the inner side of an air inlet pipe main body (1), a filter screen (3) is installed on the side of the protruding part (2), and the side of the filter screen (3) is connected with the protruding part (2) through a positioning bolt (4);

the limiting sleeve (5) is fixedly installed at the right end of the air inlet pipe main body (1), a positioning block (7) is installed on the outer side of the limiting sleeve (5), and a clamping column (8) is fixed on the side of the positioning block (7);

the guide screw (9) is installed in the middle of the clamping column (8) through a bearing, and the end part of the guide screw (9) is connected with an extrusion column (10);

the main air bag (11) is installed inside the positioning block (7), the main air bag (11) and the sealing air bag (13) are connected with each other through a guide pipe (12), a drainage pipe (14) is installed on the side of the main air bag (11), and the end part of the drainage pipe (14) extends into the inner side of the part, extending to the right side, of the upper end part and the lower end part of the positioning block (7);

the propelling block (15) is arranged on the side of the drainage tube (14), the propelling block (15) and the inner wall of the part, extending towards the right side, of the upper end part and the lower end part of the positioning block (7) are mutually connected through a built-in spring (17) for providing resetting elasticity, and a groove (16) is formed in the propelling block (15);

the upper end of the vertical rod (18) is arranged on the inner side of the groove (16) in the propelling block (15), the lower end of the vertical rod (18) extends into the limiting sleeve (5), and the outer side of the vertical rod (18) is sleeved with a return spring (19).

2. The air intake duct for an air separation plant having a dust removing structure according to claim 1, characterized in that: the filter screen (3) and the protruding portion (2) are mutually attached, the protruding portion (2) is uniformly distributed in the air inlet pipe main body (1), and the filter screen (3) and the protruding portion (2) are fixedly connected through a positioning bolt (4).

3. The air intake pipe for air separation equipment having a dust removal structure according to claim 1, characterized in that: the guide screw (9) is in threaded connection with the extrusion column (10), and a sliding connection structure is formed between the extrusion column (10) and the clamping column (8).

4. The air intake duct for air separation equipment having a dust removal structure according to claim 3, characterized in that: the cross section of the lower end of the extrusion column (10) is rectangular, and the extrusion column (10) can extrude the main air bag (11) made of rubber elastic materials.

5. The air intake pipe for air separation equipment having a dust removal structure according to claim 1, characterized in that: the sealing air bag (13) is arranged on the outer side of a joint of the air inlet pipe main body (1) and the main pipeline (6), and the sealing air bag (13) and the main air bag (11) are communicated with each other through the guide pipe (12).

6. The air intake duct for an air separation plant having a dust removing structure according to claim 1, characterized in that: the outer ends of the groove (16) and the vertical rod (18) on the pushing block (15) are mutually attached, and the attaching surface between the outer ends of the groove (16) and the vertical rod (18) is set to be a bevel edge.