CN210371995U

CN210371995U - Sealing structure of coal mill

Info

Publication number: CN210371995U
Application number: CN201921263592.0U
Authority: CN
Inventors: 潘宁
Original assignee: Hebei Wuyi Machinery Manufacturing Co ltd
Current assignee: Hebei Wuyi Machinery Manufacturing Co ltd
Priority date: 2019-08-06
Filing date: 2019-08-06
Publication date: 2020-04-21
Anticipated expiration: 2029-08-06

Abstract

The utility model discloses a seal structure of coal pulverizer, including the coal pulverizer body, a side surface of coal pulverizer body is equipped with the collecting box, is equipped with the sealed pad of third in the lateral wall of collecting box, and the sealed inboard joint that fills up of third has the fixture block, is equipped with the screw hole in the fixture block, and threaded hole installs the screw thread handle. The handle that sets up with support the pushing block, the inlet pipe department fixed mounting seal structure of current coal pulverizer has been solved, the buggy easily leaks from the gap between feeding device and the feeding pipe inner wall during reinforced, inconvenient operating personnel carries out the problem of reinforced, the screw thread handle of setting, fixture block and third are sealed to fill up, the door body that collecting box one side of having solved current coal pulverizer was equipped with does not have seal structure, the buggy leaks from the gap department of the door body easily, cause the production environment dust seriously to exceed standard, crisis staff's physical and mental health's problem.

Description

Sealing structure of coal mill

Technical Field

The utility model relates to a coal pulverizer technical field specifically is a seal structure of coal pulverizer.

Background

The coal mill is a machine for crushing and grinding coal blocks into coal powder, which is an important auxiliary device of a coal powder furnace, the coal grinding process is a process of crushing coal and increasing the surface area of the coal, new surface area needs to be increased, the binding force between solid molecules needs to be overcome, so energy consumption is needed, the coal is ground into the coal powder in the coal mill, the coal powder is mainly crushed, smashed and ground, a sealing structure is fixedly arranged at a feeding pipe of the existing coal mill, when the feeding is needed from the feeding pipe, the feeding is needed after the sealing structure is disassembled, the coal powder is easy to leak out from a gap between a feeding device and the inner wall of the feeding pipe during the feeding, the feeding is inconvenient for operators to feed, a collecting box is arranged at one side of a screening device of the existing coal mill, a door body arranged at one side of the collecting box is not provided with a sealing structure, the coal powder is easy to leak out from the gap of the door, the health of the crisis staff.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a seal structure of coal pulverizer to solve the inlet pipe of current coal pulverizer and locate fixed mounting seal structure, when needs are reinforced from the inlet pipe, need dismantle reinforced behind the seal structure, the buggy easily leaks from the gap between feeding device and the feed tube inner wall during reinforced, inconvenient operating personnel carries out reinforced problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a seal structure of coal pulverizer, includes the coal pulverizer body, a side surface of coal pulverizer body is equipped with the collecting box, be equipped with the sealed pad of third in the lateral wall of collecting box, the inboard joint that the sealed pad of third has the fixture block, be equipped with the screw hole in the fixture block, threaded hole installs the screw thread handle.

Preferably, a second thread groove is formed in the side wall of the collecting box and in threaded connection with the threaded handle, and a pull ring is welded on the surface of one side of the clamping block.

Preferably, the upper end surface of coal pulverizer body is equipped with the inlet pipe, and the fixed block has all been welded on the both sides surface of inlet pipe, is equipped with the cavity in the fixed block, is equipped with first sealed the pad in the cavity, and the handle has been cup jointed to the inboard of first sealed pad.

Preferably, a threaded rod is welded on the surface of one side of the handle, a first thread groove is formed in the fixing block, and the first thread groove is in threaded connection with the threaded rod.

Preferably, the surface of the other side of the threaded rod is provided with a pushing block, and a rubber layer is arranged in the pushing block.

Preferably, the inner wall of inlet pipe is equipped with the slot, is equipped with the sealed pad of second in the slot, and the sealed pad of second cup joints with supporting the pushing away piece.

Compared with the prior art, the beneficial effects of the utility model are that: this seal structure of coal pulverizer, through the handle with support the pushing block, when reinforced from the inlet pipe, the buggy can not leak from the gap between feeding device and the feeding tube inner wall, make things convenient for operating personnel to feed in raw material, through the screw thread handle, the sealed pad of fixture block and third, make the buggy can not leak from the gap of the door body, can not cause the production environment dust seriously to exceed standard, can not crisis staff physical and mental health, and just the big coal cinder of sorting in the collecting box is taken out the coal-grinding again to the same convenience.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a sectional view of a portion of the collection box of the present invention;

FIG. 3 is a front cross-sectional view of the feed tube of the present invention;

fig. 4 is a top view of the feed tube of the present invention;

fig. 5 is a top cross-sectional view of the feed tube of the present invention.

In the figure: 1. a fixed block; 2. a feed pipe; 3. a coal mill body; 4. a collection box; 5. a threaded handle; 6. a clamping block; 7. a pull ring; 8. a handle; 9. a threaded rod; 10. a first gasket; 11. a slot; 12. pushing the block; 13. a second gasket; 14. a first thread groove; 15. a cavity; 16. a second thread groove; 17. a threaded hole; 18. a rubber layer; 19. and a third gasket.

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 and fig. 2, the present invention provides a technical solution: a sealing structure of a coal mill comprises a coal mill body 3, a collecting box 4 is fixedly connected to one side surface of the coal mill body 3 through bolts and nuts, a third sealing gasket 19 is arranged in the side wall of the collecting box 4, a through hole is formed in one side of the collecting box 4, the third sealing gasket 19 is bonded in the through hole, a clamping block 6 is clamped on the inner side of the third sealing gasket 19, the clamping block 6 is a stainless steel cuboid, a threaded hole 17 is formed in the clamping block 6, a threaded handle 5 is connected to the threaded hole 17 in a threaded manner, a second threaded groove 16 is formed in the side wall of the collecting box 4, the second threaded groove 16 is connected with the threaded handle 5 in a threaded manner, a, the clamping block 6 is tightly connected with the collecting box 4 through the third sealing gasket 19, and the threaded handle 5 is inserted into the second threaded groove 16 on the surface of the collecting box 4 through the threaded hole 17 by rotating the threaded handle 5, so that the clamping block 6 is fixed with the collecting box 4.

Referring to fig. 1, 3, 4 and 5, the upper end surface of a coal mill body 3 is fixedly connected with a feed pipe 2 through bolts and nuts, fixed blocks 1 are welded on the two side surfaces of the feed pipe 2, the fixed blocks 1 are rectangular steel bodies, a cavity 15 is arranged in each fixed block 1, a first sealing gasket 10 is arranged in each cavity 15, the fixed blocks 1 are tightly connected with a handle 8 through the first sealing gaskets 10, the inner sides of the first sealing gaskets 10 are fixedly sleeved with the handle 8, the handle 8 is an i-shaped handle with the upper end and the lower end both being cylindrical, a threaded rod 9 is welded on one side surface of the handle 8, a first threaded groove 14 is arranged in each fixed block 1, the first threaded groove 14 is in threaded connection with the threaded rod 9, the other side surface of the threaded rod 9 is rotatably connected with a pushing block 12 through a bearing, the pushing block 12 is an arc-shaped block, a rubber layer, the rubber layer 18 is a natural rubber material, the material has good elasticity, high strength and good comprehensive performance, the inner wall of the inlet pipe 2 is provided with a slot 11, a second sealing gasket 13 is arranged in the slot 11, the upper end and the lower end of the second sealing gasket 13 are both provided with through holes, the through holes are the same as the size of the rubber layer 18, the second sealing gasket 13 is fixedly sleeved with the pushing block 12, the pushing block 12 is tightly connected with the slot 11 through the second sealing gasket 13, the first sealing gasket 10, the second sealing gasket 13 and the third sealing gasket 19 are both annular rubber gaskets, the first sealing gasket 10, the second sealing gasket 13 and the third sealing gasket 19 are both made of nitrile rubber, the rubber made of the material has air tightness and excellent bonding performance, and the handle 8 drives the pushing block 12 to abut against a feeding device located between the two abutting blocks through a threaded rod 9 by rotating the handle 8.

The utility model discloses when concrete implementation: before use, the clamping block 6 is inserted into the side wall of the collecting box 4, then the threaded handle 5 is rotated, the threaded handle 5 is inserted into the second threaded groove 16 on the surface of the collecting box 4 through the threaded hole 17, the clamping block 6 is fixed with the collecting box 4, the clamping block 6 is tightly connected with the collecting box 4 through the third sealing gasket 19, coal dust cannot leak from the joint of the clamping block 6 and the collecting box 4, dust in a production environment cannot seriously exceed the standard, and the physical and mental health of workers cannot be threatened, when an operator needs to feed the material from a feeding pipe, a feeding device is placed between the two pushing blocks 12, the handle 8 is rotated, the handle 8 drives the pushing block 12 to move in the first threaded groove 14 through the threaded rod 9, the pushing block 12 drives the rubber layer 18 to tightly push the feeding device, at the moment, the first sealing gasket 10 is clamped in the cavity 15, the second sealing gasket 13 is arranged in the slot 11, and the coal dust cannot leak through the, make the buggy can not leak from the gap between 2 inner walls of feeding device and filling tube, make things convenient for operating personnel to feed in raw material, use the completion after, reverse rotation screw thread handle 5 makes screw thread handle 5 break away from fixture block 6, and pulling pull ring 7 makes fixture block 6 break away from collecting box 4 and the sealed 19 of third, conveniently takes out the big coal cinder of sorting in the collecting box 4 and grinds the coal once more.

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 a seal structure of coal pulverizer, includes coal pulverizer body (3), its characterized in that: the coal mill is characterized in that a collecting box (4) is arranged on the surface of one side of the coal mill body (3), a third sealing gasket (19) is arranged in the side wall of the collecting box (4), a clamping block (6) is clamped on the inner side of the third sealing gasket (19), a threaded hole (17) is formed in the clamping block (6), and a threaded handle (5) is installed in the threaded hole (17).

2. The sealing structure of a coal pulverizer as defined in claim 1, wherein: a second thread groove (16) is formed in the side wall of the collecting box (4), the second thread groove (16) is in threaded connection with the threaded handle (5), and a pull ring (7) is welded on the surface of one side of the clamping block (6).

3. The sealing structure of a coal pulverizer as defined in claim 1, wherein: the coal pulverizer comprises a coal pulverizer body (3), and is characterized in that an inlet pipe (2) is arranged on the upper end surface of the coal pulverizer body (3), fixed blocks (1) are welded on the surfaces of the two sides of the inlet pipe (2), a cavity (15) is arranged in each fixed block (1), a first sealing gasket (10) is arranged in each cavity (15), and a handle (8) is sleeved on the inner side of each first sealing gasket (10).

4. The sealing structure of a coal pulverizer as defined in claim 3, wherein: one side surface welding of handle (8) has threaded rod (9), be equipped with first thread groove (14) in fixed block (1), first thread groove (14) and threaded rod (9) threaded connection.

5. The sealing structure of the coal mill according to claim 4, wherein: and the surface of the other side of the threaded rod (9) is provided with a pushing block (12), and a rubber layer (18) is arranged in the pushing block (12).

6. The sealing structure of a coal pulverizer as defined in claim 3, wherein: the inner wall of inlet pipe (2) is equipped with slot (11), is equipped with the sealed pad of second (13) in slot (11), and the sealed pad of second (13) cup joints with supporting pushing block (12).