CN220204718U - Leakage-proof device for stone coal positive-pressure slag discharge pipeline of coal mill - Google Patents
Leakage-proof device for stone coal positive-pressure slag discharge pipeline of coal mill Download PDFInfo
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- CN220204718U CN220204718U CN202321634177.8U CN202321634177U CN220204718U CN 220204718 U CN220204718 U CN 220204718U CN 202321634177 U CN202321634177 U CN 202321634177U CN 220204718 U CN220204718 U CN 220204718U
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- slag discharging
- plate
- coal
- wear
- flange
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- 239000002893 slag Substances 0.000 title claims abstract description 58
- 239000003245 coal Substances 0.000 title claims abstract description 42
- 239000004575 stone Substances 0.000 title claims abstract description 10
- 238000007599 discharging Methods 0.000 claims abstract description 52
- 238000007789 sealing Methods 0.000 claims abstract description 31
- 239000013049 sediment Substances 0.000 claims description 10
- 239000002699 waste material Substances 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 6
- 238000005299 abrasion Methods 0.000 description 5
- 230000002035 prolonged effect Effects 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000003818 cinder Substances 0.000 description 1
- 230000009975 flexible effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
Landscapes
- Crushing And Grinding (AREA)
Abstract
A stone coal positive pressure slag discharging pipeline leakage-proof device of a coal mill relates to the field of leakage-proof devices, and comprises: the slag discharging system comprises a slag discharging door, a sealing pipe body and a gate plate assembly, wherein the gate plate assembly is slidably connected inside the slag discharging door and the sealing pipe body, a piston block and a piston rod are connected to the outer end of the gate plate assembly, an air cylinder is connected to the outer end of the piston rod, the gate plate assembly comprises a plate body, a plate cavity and a wear-resisting block, the wear-resisting block is slidably connected in the plate cavity, and a high-pressure spring is arranged between the wear-resisting blocks. The utility model solves the problems of part waste and short service life caused by that the slag-discharging and leakage-preventing device of the coal mill in the prior art can only be integrally disassembled and replaced after the gate valve is worn.
Description
Technical Field
The utility model relates to the technical field of leakage-proof devices, in particular to a leakage-proof device for a pebble coal positive-pressure slag discharge pipeline of a coal mill.
Background
The coal mill is including stone coal slag discharging door, and the coal mill can be through stone coal slag discharging door discharge of impurity such as stone in the coal cinder, iron plate in the in-process of grinding, through retrieving, prior art (application number: CN 202123070933.2), the article is recorded "a coal mill stone coal slag discharging system leak protection device, including slag discharging door and cylinder, the inside picture peg valve that peg graft of slag discharging door, the cylinder includes piston rod and cylinder body, close connected with the sealed cabin between slag discharging door and the cylinder, the valve hole that supplies the picture peg valve to pass is offered to the one end that the sealed cabin is close to the slag discharging door, piston rod one end passes the sealed cabin and is connected with the picture peg valve, the one end of picture peg valve orientation cylinder is connected with the spacing connecting rod, the spacing connecting rod sets up along the length direction of piston rod, and the one end that the picture peg valve was kept away from to the spacing connecting rod is worn out the sealed cabin setting, the one end that the sealed cabin was worn out to the spacing connecting rod is connected with the stopper, sealed cabin lateral wall is provided with the limit switch that matches with the stopper. The slag discharging door has the characteristics of reasonable design and ingenious structure, and has more remarkable leakage prevention effect. "
However, the slag-discharging and leakage-preventing device of the coal mill in the prior art still has some defects although realizing the effect of preventing air leakage and slag leakage: firstly, the gate valve that the device relates to is reciprocally inserted into the slag discharging door, and because of more frequent movement, abrasion is caused between the gate valve and the slag discharging door, and after the metal material is abraded, the original sliding sealing gap is enlarged, so that the wind-proof slag-proof effect cannot be achieved, and secondly, the worn gate plate part can only be replaced after being integrally disassembled with the outer sealing cabin, so that the part is wasted.
Disclosure of Invention
In order to overcome the defects existing in the prior art, the utility model provides a positive pressure slag discharging pipeline leakage-proof device for stone coal of a coal mill, so as to solve the problems that the slag discharging leakage-proof device for the coal mill in the prior art can only be detached and replaced integrally after a gate valve is worn, and parts are wasted and the service life is short.
In order to achieve the above purpose, the utility model provides a coal pulverizer pebble coal malleation arranges sediment pipeline leak protection device, includes: the slag discharging system comprises a slag discharging door, a sealing pipe body and a gate plate assembly, wherein the gate plate assembly is slidably connected inside the slag discharging door and the sealing pipe body, a piston block and a piston rod are connected to the outer end of the gate plate assembly, an air cylinder is connected to the outer end of the piston rod, the gate plate assembly comprises a plate body, a plate cavity and a wear-resisting block, the wear-resisting block is slidably connected in the plate cavity, and a high-pressure spring is arranged between the wear-resisting blocks.
Further, the outer end of the slag discharging door is provided with a first flange, one end of the sealing pipe body opposite to the slag discharging door is provided with a second flange, the first flange and the second flange are connected through bolts, and a sealing gasket is arranged between the first flange and the second flange.
Further, the inner pipe wall of the sealing pipe body is provided with a front sensor and a rear sensor, the piston block is positioned between the front sensor and the rear sensor, and the piston block is connected with the inner pipe wall of the sealing pipe body in a sliding manner.
Further, the outer end of the sealing tube body is fixed with a fixed plate, the air cylinder is arranged on the outer end face of the fixed plate, and the piston rod slides through the fixed plate.
Further, the plate cavity is formed in the plate body, a guide groove is formed in the outer rear cavity wall of the plate cavity, and a sliding block is connected in the guide groove in a sliding mode.
Furthermore, the inner side end surface of the wear-resistant block is fixed with a sliding plate, the thickness of the sliding plate is the same as that of the wear-resistant block, and the outer end of the sliding block in the guide groove is fixed on one surface of the sliding plate, which is close to the plate cavity.
Further, the mounting seat is fixed on the end face of one side opposite to the sliding plate, the positioning groove is formed in the end face of one side opposite to the upper mounting seat and the lower mounting seat, and two ends of the high-pressure spring are clamped in the positioning groove.
The utility model has the advantages that,
utilize sediment door and the sealed tube that sediment system included to and the inside flashboard subassembly of sealed tube for be convenient for through cylinder, piston rod, piston piece drive flashboard subassembly flexible activity realization frequent switching action in sediment door, utilize flashboard body, plate chamber, slide, spring and the antifriction plate that flashboard subassembly includes, make prolonged with the wearing and tearing consumption time between the sediment door, and then prolonged life, and the wearing and tearing of antifriction plate can be through slide and the effect of spring outwards export the surplus continuously, make it remain throughout with the sealed contact of sediment door, realize the leak protection effect to sediment door.
Drawings
Fig. 1 is a schematic overall structure of an embodiment of the present utility model.
Fig. 2 is a schematic structural diagram of a slag discharging system according to an embodiment of the present utility model.
Fig. 3 is a schematic diagram of a structure a in fig. 2 according to an embodiment of the present utility model.
Fig. 4 is a schematic cross-sectional view of a shutter assembly according to an embodiment of the present utility model.
In the figure: 1. an apparatus main body; 2. a slag discharging system; 21. a slag discharging door; 211. a first flange; 22. sealing the pipe body; 221. a second flange; 23. a front sensor; 24. a rear inductor; 25. a fixing plate; 26. a flashboard assembly; 261. a plate body; 262. a plate cavity; 263. a wear block; 264. a slide plate; 265. a mounting base; 266. a high-pressure spring; 267. a guide groove; 27. a piston block; 28. a piston rod; 29. a cylinder; 3. and a sealing gasket.
Description of the embodiments
Referring to fig. 1 to 4, the utility model provides a leakage-proof device for a positive pressure slag discharge pipeline of stone coal of a coal mill, which comprises: an equipment main body 1 and a slag discharging system 2.
Specifically, the slag discharging system 2 includes a slag discharging door 21, a sealing pipe body 22 and a gate plate assembly 26, wherein the gate plate assembly 26 is slidably connected inside the slag discharging door 21 and the sealing pipe body 22, the outer end of the gate plate assembly 26 is connected with a piston block 27 and a piston rod 28, the outer end of the piston rod 28 is connected with a cylinder 29, the gate plate assembly 26 includes a plate body 261, a plate cavity 262 and a wear-resistant block 263, the wear-resistant block 263 is slidably connected in the plate cavity 262, and a high-pressure spring 266 is arranged between the wear-resistant blocks 263.
In the embodiment, the equipment main body 1 is set as coal mill equipment, the slag discharging system 2 is a slag discharging pipeline system of the coal mill, and the shell of the equipment main body 1 is provided with a controller.
In this embodiment, the plate cavity 262 is formed at one end of the plate 261 near the slag discharging door 21, and the solid part of the plate 261 is always located in the sealing tube 22.
In this embodiment, the plate chamber 262 is a notch opened up and down so that the wear block 263 is in sliding contact with the slag discharging door 21 in an initial state.
The slag discharging door 21 is provided with a first flange 211 at the outer end, a second flange 221 at the opposite end of the sealing tube 22, and the first flange 211 and the second flange 221 are connected by bolts, and a sealing gasket 3 is provided between the first flange 211 and the second flange 221.
As a preferred embodiment, the slag discharging door 21 and the sealing tube body 22 are conveniently connected in a sealing manner by providing the first flange 211 and the second flange 221 and the sealing gasket 3.
The inner tube wall of the sealing tube body 22 is provided with a front sensor 23 and a rear sensor 24, a piston block 27 is arranged between the front sensor 23 and the rear sensor 24, the piston block 27 is connected with the inner tube wall of the sealing tube body 22 in a sliding manner, a fixing plate 25 is fixed at the outer end of the sealing tube body 22, a cylinder 29 is arranged on the outer end face of the fixing plate 25, and a piston rod 28 slides through the fixing plate 25.
As a preferred embodiment, the front sensor 23 and the rear sensor 24 are electrically connected with the controller of the casing of the apparatus main body 1 through the wires penetrating the sealing tube 22, so that the piston block 27 can perform reverse operation after moving to the sensor position, and the reciprocating motion is realized, and meanwhile, the wear-resisting block 263 is not separated from the slag discharge door 21 all the time in the process of opening or closing the slag discharge door 21 by the plate body 261, and the 261 does not generate motion friction with the slag discharge door 21 all the time.
The plate cavity 262 is arranged inside the plate body 261, the guide groove 267 is arranged on the outer rear cavity wall of the plate cavity 262, the sliding block is connected inside the guide groove 267 in a sliding manner, the sliding plate 264 is fixed on the inner side end face of the abrasion-resistant block 263, the thickness of the sliding plate 264 is the same as that of the abrasion-resistant block 263, the outer end of the sliding block in the guide groove 267 is fixed on one face of the sliding plate 264, the mounting seat 265 is fixed on the opposite side end face of the sliding plate 264, the positioning groove is arranged on the opposite side end face of the upper mounting seat 265 and the lower mounting seat 265, and the two ends of the high-pressure spring 266 are clamped in the positioning groove.
In this embodiment, the wear-resistant block 263 is made of tungsten steel, so as to reduce the abrasion consumption of the material due to friction.
As a preferred embodiment, the stability of the movement of the sled 264 is facilitated by the provision of a slider and guide channel 267.
When the slag discharging door is used, the flashboard assembly is driven by the air cylinder, the piston rod and the piston block to stretch out and draw back in the slag discharging door to realize frequent opening and closing actions, and the plate body, the plate cavity, the sliding plate, the spring and the wear-resisting plate which are included by the flashboard assembly are utilized, so that the abrasion consumption time between the flashboard assembly and the slag discharging door is prolonged, the service life is prolonged, the wear of the wear-resisting plate can continuously and outwards output allowance through the action of the sliding plate and the spring, the wear-resisting plate is always kept in sealing contact with the slag discharging door, and the leakage-proof effect on the slag discharging door is realized.
The leakage-proof device for the positive pressure slag discharging pipeline of the coal mill disclosed by the utility model can effectively solve the problems that the leakage-proof device for the slag discharging of the coal mill in the prior art can only be detached and replaced integrally after the gate valve is worn, so that parts are wasted and the service life is short.
Claims (7)
1. A coal mill stone coal malleation arranges sediment pipeline leak protection device includes: equipment main part (1) and slag discharging system (2), its characterized in that: slag discharging system (2) are including sediment door (21), sealed body (22) and flashboard subassembly (26), and flashboard subassembly (26) sliding connection is inside sediment door (21) and sealed body (22), and flashboard subassembly (26) outer end is connected with piston block (27) and piston rod (28), and piston rod (28) outer end is connected with cylinder (29), flashboard subassembly (26) include plate body (261), plate chamber (262) and wear-resisting piece (263) to wear-resisting piece (263) sliding connection is in plate chamber (262), and is equipped with high-pressure spring (266) between wear-resisting piece (263).
2. The positive pressure slag discharging pipeline leakage preventing device for pebble coal of the coal mill according to claim 1, wherein a first flange (211) is arranged at the outer end of the slag discharging door (21), a second flange (221) is arranged at one end of the sealing tube body (22) opposite to the first flange, the first flange (211) and the second flange (221) are connected through bolts, and a sealing gasket (3) is arranged between the first flange (211) and the second flange (221).
3. The positive pressure slag discharging pipeline leakage preventing device for pebble coal of a coal mill according to claim 1, wherein the inner pipe wall of the sealing pipe body (22) is provided with a front sensor (23) and a rear sensor (24), the piston block (27) is located between the front sensor (23) and the rear sensor (24), and the piston block (27) is slidably connected to the inner pipe wall of the sealing pipe body (22).
4. The positive pressure slag discharging pipeline leakage preventing device for pebble coal of a coal mill according to claim 1, wherein a fixing plate (25) is fixed to the outer end of the sealing pipe body (22), a cylinder (29) is mounted on the outer end face of the fixing plate (25), and a piston rod (28) slides through the fixing plate (25).
5. The positive pressure slag discharging pipeline leakage preventing device for pebble coal of the coal mill according to claim 1, wherein the plate cavity (262) is formed inside the plate body (261), a guide groove (267) is formed in the outer rear cavity wall of the plate cavity (262), and a sliding block is slidably connected inside the guide groove (267).
6. The positive pressure slag discharging pipeline leakage preventing device for pebble coal of the coal mill according to claim 1, wherein a sliding plate (264) is fixed on the inner side end face of the wear-resistant block (263), the thickness of the sliding plate (264) is the same as that of the wear-resistant block (263), and the outer end of the sliding block in the guide groove (267) is fixed on one face of the sliding plate (264) which is abutted against the plate cavity (262).
7. The positive pressure slag discharging pipeline leakage preventing device for the pebble coal of the coal mill according to claim 6, wherein the end faces of one side opposite to the sliding plate (264) are fixedly provided with mounting seats (265), the end faces of one side opposite to the upper mounting seat and the lower mounting seat (265) are provided with positioning grooves, and two ends of the high-pressure spring (266) are clamped in the positioning grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321634177.8U CN220204718U (en) | 2023-06-26 | 2023-06-26 | Leakage-proof device for stone coal positive-pressure slag discharge pipeline of coal mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321634177.8U CN220204718U (en) | 2023-06-26 | 2023-06-26 | Leakage-proof device for stone coal positive-pressure slag discharge pipeline of coal mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220204718U true CN220204718U (en) | 2023-12-19 |
Family
ID=89146853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321634177.8U Active CN220204718U (en) | 2023-06-26 | 2023-06-26 | Leakage-proof device for stone coal positive-pressure slag discharge pipeline of coal mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220204718U (en) |
-
2023
- 2023-06-26 CN CN202321634177.8U patent/CN220204718U/en active Active
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