CN210319046U

CN210319046U - Pipe blocking device for repairing boiler pipe wall

Info

Publication number: CN210319046U
Application number: CN201920917418.7U
Authority: CN
Inventors: 温志刚; 罗阁
Original assignee: Tongling Wanda Engineering Technology Co ltd
Current assignee: Tongling Wanda Engineering Technology Co ltd
Priority date: 2019-06-18
Filing date: 2019-06-18
Publication date: 2020-04-14
Anticipated expiration: 2029-06-18

Abstract

The utility model relates to a boiler pipe wall repair stifled pipe device, including plugging mechanism, plugging mechanism includes baffle, inflation district, gasbag and branch pipe, the baffle interval distribution from top to bottom, and adjacent fixed connection gasbag between the baffle, the gasbag with adjacent the region between the baffle is the inflation district, the center department of each baffle has run through the branch pipe, perpendicular fixed connection between baffle and the branch pipe, the branch pipe with the inflation district relative position department has seted up the exhaust hole, the outer tip of branch pipe is equipped with first joint, first joint assembly connection inflation mechanism; the pipe blocking device for repairing the pipe wall of the boiler can continuously inflate and pressurize the air bag through the inflation mechanism, so that the air bag continuously expands until the air bag is attached to the pipe wall, the blocking requirements of pipelines with different diameters are met, and the application range is wide.

Description

Pipe blocking device for repairing boiler pipe wall

Technical Field

The utility model relates to a stifled pipe device is repaired to boiler pipe wall belongs to boiler maintenance technical field.

Background

The boiler is an energy conversion device, the energy input to the boiler comprises chemical energy and electric energy in fuel, and the boiler outputs steam, high-temperature water or an organic heat carrier with certain heat energy;

various problems often occur after the boiler is used for a period of time, and at the moment, the boiler needs to be shut down and is checked and maintained by professional maintenance personnel;

during maintenance, in order to prevent flue gas in an exhaust pipeline from flowing back and residual liquid in a liquid inlet pipeline from being discharged into a pipeline, a pipe sealing device is required to be used for sealing each pipeline, however, the existing sealing device is only a simple round wood plate, so that the sealing performance is poor, the round wood plate is easy to damage and damp, and the service life is limited; each pipe corresponds to a circular plate with a fixed diameter, and once the pipe is damaged, the pipe needs to be manufactured again, so that the application range is limited.

SUMMERY OF THE UTILITY MODEL

The utility model provides a stifled pipe device is repaired to boiler pipe wall to the not enough of prior art existence, and concrete technical scheme is as follows:

the utility model provides a stifled pipe device is repaired to boiler pipe wall, includes shutoff mechanism, shutoff mechanism includes baffle, inflation district, gasbag and branch pipe, the baffle is from top to bottom interval distribution, and is adjacent fixed connection gasbag between the baffle, the gasbag with adjacent region between the baffle is the inflation district, each the center department of baffle runs through there the branch pipe, the baffle with perpendicular fixed connection between the branch pipe, the branch pipe with inflation district relative position department has seted up the exhaust hole, the outer tip of branch pipe is equipped with first joint, first joint assembly connection inflation mechanism.

Preferably, the expansion direction of the balloon is parallel to the partition.

Preferably, the outer wall of gasbag distributes and has the sealing ring of protruding structure, the sealing ring distributes from top to bottom has many, each the diameter homogeneous phase of sealing ring.

Preferably, the baffle includes first plate body, second plate body, third plate body and fourth plate body, the equidistance distributes between first plate body, second plate body, third plate body and the fourth plate body, the structure is the same between first plate body, second plate body, third plate body and the fourth plate body, the branch pipe is fixed in proper order and runs through in fourth plate body, third plate body and second plate body, the top of branch pipe is located the bottom surface of first plate body.

Preferably, the bottom surface of the fourth plate body is provided with a handle, and the handle is in an inverted U shape.

Preferably, the first joint is attached to the bottom surface of the fourth plate body, and a through hole is formed in the position, opposite to the first joint, of the handle.

Preferably, the inflation mechanism comprises an inflation pump, a hose and a second joint, the second joint is connected with the first joint in a clamping manner, and the inflation pump is communicated to the second joint through the hose.

The utility model has the advantages that: the air bag can be continuously inflated and pressurized through the inflation mechanism, so that the air bag is continuously expanded until the air bag is attached to the pipe wall, the plugging requirements of pipelines with different diameters are met, the application range is wide, the sealing effect of the air bag expansion plugging mode is better, and the attachment gap can be effectively eliminated; the plugging device is not influenced by the external environment and has long service life.

Drawings

FIG. 1 is a schematic view of the connection structure of a boiler and a plugging device according to the present invention;

fig. 2 is a schematic view of the overall structure of the plugging device of the present invention;

fig. 3 is an enlarged schematic view of the structure at a of the present invention;

fig. 4 is a schematic view of the connection structure of the joint and the inflation mechanism of the present invention.

Reference numerals: 1. the gas filling device comprises a furnace body, 11, a first exhaust pipe, 12, a second exhaust pipe, 13, a liquid inlet pipe, 2, a plugging mechanism, 21, a first plate body, 22, a second plate body, 23, a third plate body, 24, a fourth plate body, 25, an inflation area, 26, an air bag, 251, a sealing ring, 27, a branch pipe, 271, an exhaust hole, 272, a first joint, 28, a handle, 3, an inflation mechanism, 31, an air filling pump, 32, a hose, 33 and a second joint.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

A pipe blocking device for repairing a pipe wall of a boiler comprises a blocking mechanism 2, wherein the blocking mechanism 2 comprises partition plates, an inflation area 25, air bags 26 and branch pipes 27, the partition plates are distributed at intervals from top to bottom, the air bags 26 are fixedly connected between the adjacent partition plates, and the partition plates are supporting and limiting structures of the air bags 26 and used for ensuring that the air bags 26 can only expand towards two sides;

the area between the air bag 26 and the adjacent partition plates is an inflation area 25, the branch pipe 27 penetrates through the center of each partition plate, the partition plates are vertically and fixedly connected with the branch pipes 27, the positions of the branch pipes 27, which are opposite to the inflation area 25, are provided with air vents 271, air discharged from the air vents 271 can enter the inflation area 25, so that the air bag 26 is inflated, the air vents 271 and the inflation area 27 are arranged in a one-to-one correspondence manner, air blowby is avoided, and the inflation size of each air bag 26 is ensured to be the same;

the outer end part of the branch pipe 27 is provided with a first joint 272, and the first joint 272 is assembled and connected with the inflating mechanism 3; the inflation mechanism 3 is configured to inflate the pressurized gas into the airbag 26.

As a modification of the above technical solution, the expansion direction of the balloon 26 is parallel to the partition; the expansion in the parallel direction can ensure the joint effect of the air bag 26 and the pipe wall, and improve the sealing performance.

As an improvement of the above technical solution, a plurality of sealing rings 261 with a convex structure are distributed on the outer wall of the air bag 26, and the diameters of the sealing rings 261 are the same; the sealing ring 261 can further improve the laminating sealing performance of gasbag 26 and pipe wall for when gasbag 26 expands to laminating with the pipe wall, each sealing ring 261 can receive pressure and contract, thereby further improvement sealing performance and frictional force avoid the shutoff equipment slippage.

As an improvement of the above technical solution, the partition board includes a first board body 21, a second board body 22, a third board body 23 and a fourth board body 24, the first board body 21, the second board body 22, the third board body 23 and the fourth board body 24 are distributed at equal intervals, the first board body 21, the second board body 22, the third board body 23 and the fourth board body 24 have the same structure, the branch pipes 27 are sequentially fixed to penetrate through the fourth board body 24, the third board body 23 and the second board body 22, and the top ends of the branch pipes 27 are arranged on the bottom surface of the first board body 21; be equipped with three air bags 26 of group between the four plate bodies that set up from top to bottom, can improve sealed effect and with the laminating area of pipe wall through three air bags 26 of group for plugging device is more firm.

As an improvement of the above technical solution, a handle 28 is disposed on the bottom surface of the fourth plate 24, and the handle 28 is in an inverted U shape; handle 28 is provided to facilitate the holding of the device by the worker and to facilitate installation.

As a modification of the above technical solution, the first joint 272 is attached to the bottom surface of the fourth plate 24, and a through hole is formed at a position of the handle 28 opposite to the first joint 272; the inflation head may be connected to the first connector 272 through the through hole.

As an improvement of the above technical solution, the inflation mechanism 3 includes an inflation pump 31, a hose 32, and a second joint 33, the second joint 33 is engaged with the first joint 272, and the inflation pump 31 is communicated with the second joint 33 through the hose 32; high-pressure gas can be rapidly provided through the air adding pump 31, so that the air bag 26 is rapidly expanded to a proper position, and the plugging efficiency is improved.

As shown in fig. 1, fig. 1 is a schematic view of a connection structure of a boiler and a plugging device according to the present invention;

the boiler is horizontally placed, a first exhaust pipe 11 and a second exhaust pipe 12 are arranged at the top of the boiler, a liquid inlet pipe 13 is arranged on the side wall of the boiler, and when the boiler is maintained, in order to prevent smoke in an exhaust pipeline from flowing back, residual smoke in the liquid inlet pipeline enters the boiler, a blocking device can be arranged in the exhaust pipe and the liquid inlet pipe; the size of the plugging mechanism 2 can be adjusted within a certain range, so that the plugging requirements of the exhaust pipe and the liquid inlet pipe are met, and the service life is long.

As shown in fig. 2, fig. 2 is a schematic view of the overall structure of the plugging device of the present invention;

the interval is equipped with four plate bodies that the structure is the same from top to bottom in parallel, is equipped with gasbag 26 between two adjacent plate bodies, and gasbag 26 is total three groups, and the inside of every gasbag 26 is inflatable region 25, and branch pipe 27 is fixed to run through in the center department of each plate body, and branch pipe 27 and plate body seamless connection have seted up exhaust hole 271 with inflatable region 25 opposite position department of the outer wall of branch pipe 27, and the bottom of branch pipe 27 is the first joint 272 of admitting air.

As shown in fig. 3, fig. 3 is an enlarged schematic structural diagram of a position a shown in the present invention;

the outer wall of every gasbag 26 all is equipped with five sealing rings 251, and sealing ring 251 distributes about the horizontal central line symmetry of gasbag 26, and the outer tip parallel and level of sealing ring 251, sealing ring 251 are the rubber material, and outer wall distributes and has coarse grain, can improve the frictional force of binding face.

When the utility model is implemented, before maintenance, each pipeline is plugged, a worker holds the handle 28, then the whole device is plugged into the pipeline, and the device is adjusted to be vertical to the pipeline;

the second joint penetrates through a through hole in the center of the handle 28 and is clamped with the first joint 272, then the air charging pump 31 is started, high-pressure air enters the branch pipe 27 through the first joint 272 and then is shunted to the corresponding air charging area 25 through the air discharging hole 271, the high-pressure air is continuously gathered in the air charging area 25, the air bag 26 outside the air charging area 25 is continuously expanded towards two sides, and the sealing ring 261 moves outwards along with the air bag 26 in the expansion process; when the gas bag is expanded to a certain degree, the sealing ring 261 is firstly contacted with the tube wall, then the gas bag 26 is continuously expanded, the sealing ring 261 is compressed and contracted, and when the outer wall of the gas bag 26 is tightly attached to the tube wall, gas filling can be stopped; at this time, each air bag 26 can form a multi-layer blocking structure for the pipeline, and the blocking device can be firmly arranged in the pipeline under the action of the friction force of the sealing ring 261, the air bag 26 and the pipeline wall.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a stifled pipe device is repaired to boiler pipe wall which characterized in that: including shutoff mechanism (2), shutoff mechanism (2) are including baffle, inflatable region (25), gasbag (26) and branch pipe (27), the baffle from top to bottom interval distribution, and are adjacent fixed connection gasbag (26) between the baffle, gasbag (26) and adjacent region between the baffle is inflatable region (25), each the center department of baffle runs through branch pipe (27), the baffle with perpendicular fixed connection between branch pipe (27), branch pipe (27) with exhaust hole (271) have been seted up to inflatable region (25) relative position department, the outer tip of branch pipe (27) is equipped with first joint (272), first joint (272) assembly connection inflatable mechanism (3).

2. The boiler tube wall repairing and plugging device according to claim 1, wherein: the expansion direction of the balloon (26) is parallel to the partition.

3. The boiler tube wall repairing and pipe plugging device according to claim 2, wherein: the outer wall of gasbag (26) distributes and has sealing ring (261) of protruding structure, sealing ring (261) distributes from top to bottom has many, each the diameter homogeneous phase of sealing ring (261).

4. The boiler tube wall repairing and plugging device according to claim 3, wherein: the baffle includes first plate body (21), second plate body (22), third plate body (23) and fourth plate body (24), the equidistance distributes between first plate body (21), second plate body (22), third plate body (23) and fourth plate body (24), the structure is the same between first plate body (21), second plate body (22), third plate body (23) and the fourth plate body (24), branch pipe (27) are fixed in proper order and run through in fourth plate body (24), third plate body (23) and second plate body (22), the top of branch pipe (27) is located the bottom surface of first plate body (21).

5. The boiler tube wall repairing and pipe plugging device according to claim 4, wherein: the bottom surface of the fourth plate body (24) is provided with a handle (28), and the handle (28) is in an inverted U shape.

6. The boiler tube wall repairing and plugging device according to claim 5, wherein: the first joint (272) is attached to the bottom surface of the fourth plate body (24), and a through hole is formed in the position, opposite to the first joint (272), of the handle (28).

7. The boiler tube wall repairing and pipe plugging device according to any one of claims 1 to 6, wherein: the inflation mechanism (3) comprises an inflation pump (31), a hose (32) and a second joint (33), the second joint (33) is connected with the first joint (272) in a clamping mode, and the inflation pump (31) is communicated to the second joint (33) through the hose (32).