CN209959909U - Spile door applied to inlet and outlet air duct of coal mill - Google Patents
Spile door applied to inlet and outlet air duct of coal mill Download PDFInfo
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- CN209959909U CN209959909U CN201920779581.1U CN201920779581U CN209959909U CN 209959909 U CN209959909 U CN 209959909U CN 201920779581 U CN201920779581 U CN 201920779581U CN 209959909 U CN209959909 U CN 209959909U
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Abstract
The utility model belongs to the technical field of medium flow control application such as wind powder, flue gas specifically discloses be applied to coal pulverizer and import and export the picture peg door in wind channel and include rectangular frame, first rectangle flange board, second rectangle flange board, air guide through groove, sealed baffle guide slot, sealed pad, cylinder mount pad, cylinder engaging lug seat through-hole, a set of sealed baffle connection ear board, sealed baffle engaging lug board through-hole, screw rod, nut and closing plate. The utility model discloses be applied to the coal pulverizer and import and export the picture peg door in wind channel's beneficial effect lies in: the plug board door is installed in an inlet and outlet air duct of the coal mill, so that accurate, stable and efficient opening/closing actions can be realized, and the production efficiency and the safety factor of production operation are improved.
Description
Technical Field
The utility model belongs to the technical field of medium flow regulation such as wind powder, flue gas is used, concretely relates to is applied to the picture peg door in coal pulverizer exit wind channel.
Background
The flashboard door is a valve with a flashboard and a valve seat which are always in close contact and sealed. The electric gate valve is characterized in that the opening and closing part is a gate plate, the movement direction of the gate plate is perpendicular to the fluid direction, the electric gate valve can only be opened and closed completely and cannot be adjusted and throttled, the gate plate is provided with two sealing surfaces, and the two sealing surfaces of the most common mode gate valve form a wedge shape and a wedge angle which are different along with the valve parameters. The Gate (Slide Plate Gate) is also called Gate valve, spiral Gate valve, and Gate valve. And (3) classifying the inserting plate door: electric board-inserting door, manual board-inserting door and pneumatic board-inserting door.
The coal mill spile door is an important auxiliary device of a boiler, and is arranged in the occasions needing to be cut off and isolated, such as an inlet and outlet air duct of the coal mill, on a cold air duct and a hot air duct of the boiler in a thermal power plant, and the spile door is required to finish accurate, stable and efficient opening/closing actions so as to realize safe production operation. The phenomenon (transmission structure) of fracture, deformation easily appears after the long-term use in current picture peg door, can't accomplish accurate, stable and efficient and open/close the action, has increased production operation potential safety hazard, and unreasonable structural design simultaneously, inconvenient assembly, dismantlement and maintenance, and maintenance cost height, and this is present to wait to solve urgently.
Therefore, based on the above problem, the utility model provides a be applied to the coal pulverizer and import and export the picture peg door in wind channel.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: the utility model aims at providing a be applied to the picture peg door that the wind channel was imported and exported to the coal pulverizer, its overall structure reasonable in design, the assembly of being convenient for, dismantlement and maintenance, the picture peg door is installed in the wind channel is imported and exported to the coal pulverizer, can realize accurate, stable and the efficient open/close action, has improved the factor of safety of production efficiency and production operation.
The technical scheme is as follows: the utility model provides a plug board door applied to an inlet and outlet air duct of a coal mill, which comprises a rectangular frame, a first rectangular flange board, a second rectangular flange board, an air guide through groove arranged in one end of the rectangular frame, a sealing baffle plate arranged on the inner wall of the rectangular frame, a sealing baffle plate guide groove arranged on the inner wall of one end of the rectangular frame and matched with the air guide through groove, a sealing gasket arranged in the sealing baffle plate guide groove, a cylinder mounting seat arranged at one end of the rectangular frame, a cylinder arranged on the cylinder mounting seat, a cylinder connecting lug seat arranged at one end of the cylinder, a cylinder connecting lug seat through hole arranged in the cylinder connecting lug seat, a group of sealing baffle plate connecting lug plates connected with the cylinder connecting lug seat, the cylinder connecting lug seat through hole, and a sealing baffle plate connecting lug plate through hole arranged in the group of sealing baffle plate connecting lug plates, the sealing device comprises a cylinder connecting lug seat, a sealing partition plate connecting lug plate, a screw rod, a nut and a sealing plate, wherein the screw rod and the nut are connected with the cylinder connecting lug seat and the sealing partition plate connecting lug plate through holes, and the sealing plate is connected with a group of sealing partition plate connecting lug plates and is matched with the sealing partition plate, a sealing partition plate guide groove and a sealing gasket for use.
This technical scheme, be applied to the picture peg door that the wind channel was imported and exported to the coal pulverizer, still including setting up the bar in the rectangular frame both sides and lead to the groove, and set up at closing plate both sides outer wall and with the limiting plate that the groove matched with and use, and set up the limiting plate through-hole in the limiting plate, and run through limiting plate through-hole and carry out spacing stop screw, stop nut to the limiting plate.
According to the technical scheme, the sealing gasket is of a flexible structure.
Compared with the prior art, the utility model discloses be applied to the coal pulverizer and import and export the picture peg door in wind channel's beneficial effect lies in: the plug board door is installed in an inlet and outlet air duct of the coal mill, so that accurate, stable and efficient opening/closing actions can be realized, and the production efficiency and the safety factor of production operation are improved.
Drawings
Fig. 1 is a schematic top view of a gate of the insertion plate applied to an inlet/outlet duct of a coal mill according to the present invention;
FIG. 2 is a schematic cross-sectional view of the rectangular frame, the sealing partition guide groove, the sealing gasket and the sealing plate of the plug board door applied to the inlet and outlet air duct of the coal mill of the present invention;
fig. 3 is a schematic cross-sectional structural view of a sealing plate, a set of sealing partition plate connecting lug plates, a cylinder connecting lug seat through hole, a cylinder connecting lug seat and the like of a plug plate door applied to an inlet and outlet air duct of a coal mill according to the present invention;
fig. 4 is the utility model discloses a be applied to the coal pulverizer and import and export the structure sketch map of the picture peg door in wind channel, first rectangle flange board, second rectangle flange board, closing plate, the logical groove of bar, limiting plate through-hole, stop screw, stop nut etc..
Detailed Description
The invention will be further elucidated with reference to the drawings and the specific embodiments.
Examples
The gate for a coal mill inlet/outlet duct, as shown in fig. 1, 2, 3 and 4, comprises a rectangular frame 1, a first rectangular flange plate 2 and a second rectangular flange plate 3 disposed on the rectangular frame 1, an air guide channel 4 disposed in one end of the rectangular frame 1, a sealing partition 20 disposed on the inner wall of the rectangular frame 1, a sealing partition guide groove 5 disposed on the inner wall of one end of the rectangular frame 1 and used in cooperation with the air guide channel 4, a sealing gasket 6 disposed in the sealing partition guide groove 5, a cylinder mounting seat 14 disposed at one end of the rectangular frame 1, a cylinder 10 disposed on the cylinder mounting seat 14, a cylinder connecting lug seat 21 disposed at one end of the cylinder 10, a cylinder connecting lug seat through hole 9 disposed in the cylinder connecting lug seat 21, and a set of sealing partition connecting lug plates 8 connected to the cylinder connecting lug seat 21 and the cylinder connecting lug seat through hole 9, and a sealing baffle connecting lug plate through hole 9 arranged in the group of sealing baffle connecting lug plates 8, a screw rod 12 and a nut 13 which are connected with the cylinder connecting lug seat 21 and the sealing baffle connecting lug plate through hole 9, and a sealing plate 7 which is connected with the group of sealing baffle connecting lug plates 8 and is matched with the sealing baffle 20, the sealing baffle guide groove 5 and the sealing gasket 6 for use.
Further preferred, be applied to the picture peg door in coal pulverizer import and export wind channel, still including setting up the bar in rectangular frame 1 both sides and leading to groove 22, and set up at closing plate 7 both sides outer wall and with the limiting plate 16 that the groove 22 matched with and use, and set up limiting plate through-hole 17 in limiting plate 16, and run through limiting plate through-hole 17 and carry out spacing stop screw 18, stop nut 19 to limiting plate 16, and sealed 6 is the flexible construction, when guaranteeing sealed operation, closing plate 7 is the interior motion (the phenomenon of not rocking) of the groove 22 in the bar, realizes accurate and stable sealed action, improves sealed gas tightness.
The plug board door of wind channel is imported and exported in being applied to coal pulverizer of this structure, cylinder 10 still can set up hollow structure with the rectangle frame 1 other end that cooperatees and use, and cylinder 10 linkage closing plate 7 moves in inside, the both sides of closing plate 7 are provided with the wearing layer (high temperature resistant) that sealed partition 20 cooperateed and use respectively, prolong closing plate 7's life, and improve and the sealed gas tightness between the sealed partition 20.
The plug board door applied to the coal mill inlet and outlet air duct has the advantages of reliable sealing operation, flexible opening and closing and tight sealing, solves the problems of untight closing and overlong closing time of the traditional plug board door, and has the characteristics of adjustment, isolation and sharing, flexible adjustment and no jamming.
The structure of the spile door applied to the coal mill inlet and outlet air duct is characterized in that the sealing plate 7 is pushed by the control cylinder 10 to move towards one side in the rectangular frame 1 to seal the air guide through groove 4 to complete the sealing action,
the spile door applied to the coal mill inlet and outlet air duct has the highest working temperature of less than or equal to 600 ℃, the total-closed air leakage rate of less than 0.1 percent, and is suitable for cold and hot air pipelines containing powder.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications can be made without departing from the principle of the present invention, and these modifications should also be regarded as the protection scope of the present invention.
Claims (3)
1. Be applied to picture peg door in coal pulverizer import and export wind channel, its characterized in that: including rectangular frame (1), and first rectangular flange board (2) of setting on rectangular frame (1), second rectangular flange board (3), and air guide through groove (4) of setting in rectangular frame (1) one end, and set up sealed bulkhead (20) at rectangular frame (1) inner wall, and set up sealed bulkhead guide slot (5) that cooperate and use at rectangular frame (1) one end inner wall and with air guide through groove (4), and set up sealed pad (6) in sealed bulkhead guide slot (5), and cylinder mount pad (14) of setting in rectangular frame (1) one end, and cylinder (10) of setting on cylinder mount pad (14), and cylinder connection lug seat (21) of setting in cylinder (10) one end, and cylinder connection lug seat through-hole (9) of setting in cylinder connection lug seat (21), and with cylinder connection lug seat (21), The sealing device comprises a group of sealing partition plate connecting lug plates (8) connected with a cylinder connecting lug seat through hole (9), sealing partition plate connecting lug plate through holes (9) arranged in the group of sealing partition plate connecting lug plates (8), a screw rod (12) and a nut (13) which are connected with the cylinder connecting lug seat (21) and the sealing partition plate connecting lug plate through hole (9), and a sealing plate (7) which is connected with the group of sealing partition plate connecting lug plates (8) and is matched with the sealing partition plate (20), a sealing partition plate guide groove (5) and a sealing gasket (6) for use.
2. The spile door applied to the inlet and outlet air duct of the coal mill as claimed in claim 1, wherein: be applied to picture peg door in coal pulverizer import and export wind channel, still including setting up bar logical groove (22) in rectangular frame (1) both sides, and set up at closing plate (7) both sides outer wall and with bar logical groove (22) limiting plate (16) that cooperate and use, and set up limiting plate through-hole (17) in limiting plate (16), and run through limiting plate through-hole (17) and carry out spacing stop screw (18), stop nut (19) to limiting plate (16).
3. The spile door applied to the inlet and outlet air duct of the coal mill as claimed in claim 1, wherein: the sealing gasket (6) is of a flexible structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920779581.1U CN209959909U (en) | 2019-05-28 | 2019-05-28 | Spile door applied to inlet and outlet air duct of coal mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920779581.1U CN209959909U (en) | 2019-05-28 | 2019-05-28 | Spile door applied to inlet and outlet air duct of coal mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209959909U true CN209959909U (en) | 2020-01-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920779581.1U Active CN209959909U (en) | 2019-05-28 | 2019-05-28 | Spile door applied to inlet and outlet air duct of coal mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209959909U (en) |
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2019
- 2019-05-28 CN CN201920779581.1U patent/CN209959909U/en active Active
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