CN214916567U - Coal drying and grinding device for thermal power plant - Google Patents
Coal drying and grinding device for thermal power plant Download PDFInfo
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- CN214916567U CN214916567U CN202120887291.6U CN202120887291U CN214916567U CN 214916567 U CN214916567 U CN 214916567U CN 202120887291 U CN202120887291 U CN 202120887291U CN 214916567 U CN214916567 U CN 214916567U
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Abstract
The utility model provides a coal drying and grinding device for thermal power plant, which comprises a main body, the bottom four corners welding of main part has the landing leg, one side at the top of main part is provided with the feed inlet, the central point department of the top of main part fixedly mounted with driving motor, there is the dwang through shaft coupling fixed mounting on driving motor's the output shaft, fixedly mounted with spiral crushing oar on the dwang, the bottom fixed mounting of spiral crushing oar has the abrasive disc, this coal drying and grinding device for thermal power plant carries out the secondary crushing and grinding to coal through spiral crushing oar, crushing tooth and abrasive disc, can carry out the intensive grinding to coal, improves coal grinding efficiency, conveniently dries coal through electric heating wire and drying device, improves the drying efficiency of buggy, can prevent simultaneously that the buggy from gluing in the main part, drives drying device through the dwang and can prevent that the buggy from subsiding, the inside of main part is conveniently cleared up through high temperature resistant brush.
Description
Technical Field
The utility model relates to a thermal power generation technical field specifically is a coal stoving grinder is used in thermal power plant.
Background
Thermal power factory is the mill with the combustible material as fuel production electric energy, the fuel burning heats water, produce steam, steam pressure promotes the steam turbine rotation, the steam turbine drives the generator and generates electricity, coal volume is great among the prior art, contain moisture, can not fully burn, cause the wasting of resources easily, the insufficient burning of coal can also produce carbon monoxide, in order to improve fuel combustion efficiency, need grind coal and dry and make the buggy, current coal is dried and grinder is when smashing coal, the buggy glues in grinder's inside easily, be difficult to clear up, and smash and grind incompletely, crushing efficiency is lower.
Therefore, the utility model provides a coal stoving grinder is used in thermal power plant.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a coal grinding device that dries for thermal power plant to solve the problem that proposes in the above-mentioned background art, the utility model discloses a carry out the regrinding to coal and grind, can fully grind coal, improve coal grinding efficiency, conveniently dry convenient to use to coal through electric heating wire and drying device.
In order to achieve the above purpose, the present invention is realized by the following technical solution: a coal drying and grinding device for a thermal power plant comprises a main body, supporting legs are welded at four corners of the bottom of the main body, a feed inlet is formed in one side of the top of the main body, a driving motor is fixedly installed at the central position of the top of the main body, a rotating rod is fixedly installed on an output shaft of the driving motor through a coupler, a spiral crushing paddle is fixedly installed on the rotating rod, a grinding disc is fixedly installed at the bottom of the spiral crushing paddle, crushing teeth are fixedly installed on the inner wall of the main body in a welding mode, electric heating wires are fixedly installed inside the crushing teeth, a drying device is fixedly installed at the bottom of the rotating rod, two ends of the drying device are movably installed inside the main body through sliding blocks, an air inlet is formed in the central position of the bottom of the main body, and the bottom of the drying device is movably connected with the top of the air inlet through a sealing structure, one side of the air inlet is provided with a sewage discharge outlet, the other side of the main body is fixedly provided with an air extracting device, and one side of the air extracting device is provided with a discharge outlet.
As a preferred embodiment of the present invention, the bottom of the supporting leg is provided with a non-slip mat.
As a preferred embodiment of the present invention, a vertical pipe is disposed at the top of the drying device.
As a preferred embodiment of the present invention, the bottom bilateral symmetry of the drying device is fixedly installed with a high temperature resistant brush, which is in contact with the bottom of the inner side of the main body.
As a preferred embodiment of the present invention, the top of the grinding plate and the inner wall of the main body are provided with a projection.
As a preferred embodiment of the present invention, one side of the main body is provided with a switch set through screw fixing, and the switch set is electrically connected with the driving motor, the air extractor and the electric heating wire through electric wires.
The utility model has the advantages that: the utility model relates to a thermal power plant is with coal grinding device of drying passes through the broken oar of spiral, broken tooth and abrasive disc carry out the regrinding to coal and grind, can fully grind coal, improve coal grinding efficiency, conveniently dry coal through electric heating wire and drying device, improve the drying efficiency of buggy, can prevent simultaneously that the buggy from gluing in the inside of main part, drive drying device through the dwang and can prevent that the buggy from subsiding, conveniently clear up the inside of main part through high temperature resistant brush.
Drawings
FIG. 1 is a structural diagram of a coal drying and grinding device for a thermal power plant of the present invention;
FIG. 2 is a sectional view of a coal drying and grinding device for a thermal power plant of the present invention;
FIG. 3 is an enlarged view of the position A in FIG. 2 of the coal drying and grinding device for thermal power plants of the present invention;
in the figure: 1. a main body; 2. a feed inlet; 3. a drive motor; 4. an air extraction device; 5. a discharge port; 6. a support leg; 7. rotating the rod; 8. a spiral crushing paddle; 9. crushing teeth; 10. a grinding disk; 11. a drying device; 12. a high temperature resistant brush; 13. a switch group; 14. a sewage draining outlet; 15. an air inlet; 16. an electric heating wire; 17. and (4) a bump.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
Referring to fig. 1 to 3, the present invention provides a technical solution: a coal drying and grinding device for a thermal power plant comprises a main body 1, supporting legs 6 are welded at four corners of the bottom of the main body 1, a feed inlet 2 is formed in one side of the top of the main body 1, a driving motor 3 is fixedly installed at the central position of the top of the main body 1, a rotating rod 7 is fixedly installed on an output shaft of the driving motor 3 through a coupler, a spiral crushing paddle 8 is fixedly installed on the rotating rod 7, a grinding disc 10 is fixedly installed at the bottom of the spiral crushing paddle 8, crushing teeth 9 are fixedly installed on the inner wall of the main body 1 in a welding mode, electric heating wires 16 are fixedly installed inside the crushing teeth 9, a drying device 11 is fixedly installed at the bottom of the rotating rod 7, two ends of the drying device 11 are movably installed inside the main body 1 through sliders, and an air inlet 15 is formed in the central position of the bottom of the main body 1, the bottom of drying device 11 passes through seal structure and the top activity of air inlet 15 links to each other, one side of air inlet 15 is provided with drain 14, the opposite side fixed mounting of main part 1 has air exhaust device 4, one side of air exhaust device 4 is provided with discharge gate 5, can move back coal and fully grind, improves coal and grinds and drying efficiency.
As a preferred embodiment of the present invention, the bottom of the supporting leg 6 is provided with a non-slip pad, which can improve the stability of the device.
As an optimized embodiment of the utility model, the top of drying device 11 is provided with the standpipe, conveniently dries the buggy.
As a preferred embodiment of the present invention, the bottom bilateral symmetry fixed mounting of the drying device 11 has the high temperature resistant brush 12, the bottom contact of the high temperature resistant brush 12 and the inner side of the main body 1 can clear the bottom of the inner side of the main body 1, and the pulverized coal is prevented from settling.
As a preferred embodiment of the present invention, the top of the grinding plate 10 and the inner wall of the main body 1 are provided with a projection 17, which facilitates the sufficient grinding of coal.
As an optimal implementation manner of the utility model, there is a switch group 13 one side of main part 1 through screw fixed mounting, switch group 13 passes through the electric wire and links to each other with driving motor 3, air exhaust device 4 and 16 electrical properties of electric heating wire, conveniently smashes, grinds and dries coal.
When the coal drying and grinding device for the thermal power plant is used, the device is placed at a proper place through the supporting legs 6, the switch group 13 is electrically connected with an external power supply through electric wires, the driving motor 3 and the electric heating wire 16 are started through the switch group 13, the output shaft of the driving motor 3 drives the rotating rod 7, the rotating rod 7 drives the spiral crushing paddle 8, the grinding disc 10 and the drying device 11 to rotate, the electric heating wire 16 heats the crushing teeth 9, hot air is introduced into the drying device 11 through the air inlet 15 to heat the drying device 11 and the inside of the main body 1, coal is added into the main body 1 through the feed inlet 2, the coal is crushed into small particles under the action of the spiral crushing paddle 8 and the crushing teeth 9, the small particles of the coal fall on the top of the disc grinding disc 10, the coal is ground into coal powder through the action of the grinding disc 10 and the convex blocks 17, and the coal powder falls on the bottom of the inner side of the main body 1, the pulverized coal floats in the main body 1 under the stirring of the drying device 11 to dry the pulverized coal, meanwhile, the drying device 11 drives the high-temperature resistant brush 12 to clean the bottom of the inner side of the main body 1, the air extractor 4 is started to extract the pulverized coal, the pulverized coal is discharged and collected to a proper place through the discharge hole 5 to be processed next time, some large impurities and particles in the coal can be accumulated at the bottom of the inner side of the main body 1, after the coal is crushed, the impurities are discharged through the sewage discharge port 14, the coal drying and grinding device for the thermal power plant can carry out secondary crushing and grinding on the coal through the spiral crushing paddle 8, the crushing teeth 9 and the grinding disc 10, the coal can be fully ground, the coal grinding efficiency is improved, the coal is conveniently dried through the electric heating wire 16 and the drying device 11, the drying efficiency of the pulverized coal is improved, and meanwhile, the pulverized coal can be prevented from being stuck in the main body 1, drive drying device 11 through dwang 7 and can prevent that the buggy from subsiding, conveniently clear up the inside of main part 1 through high temperature resistant brush 12.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. The utility model provides a coal stoving grinder for thermal power plant, includes main part (1), its characterized in that, the bottom four corners welding of main part (1) has landing leg (6), one side at the top of main part (1) is provided with feed inlet (2), the central point at the top of main part (1) puts department fixed mounting has driving motor (3), there is dwang (7) through shaft coupling fixed mounting on the output shaft of driving motor (3), fixed mounting has broken oar (8) of spiral on dwang (7), the bottom fixed mounting of broken oar (8) of spiral has abrasive disc (10), with welded mode fixed mounting broken tooth (9) on main part (1) inner wall, the inside fixed mounting of broken tooth (9) has electric heating wire (16), the bottom fixed mounting of dwang (7) has drying device (11), the utility model discloses a drying device, including main part (1), slider movable mounting, central point of the bottom of main part (1) puts the department and is provided with air inlet (15), the top activity that seal structure and air inlet (15) were passed through to the bottom of drying device (11) links to each other, one side of air inlet (15) is provided with drain (14), the opposite side fixed mounting of main part (1) has air exhaust device (4), one side of air exhaust device (4) is provided with discharge gate (5).
2. The coal drying and grinding device for the thermal power plant according to claim 1, characterized in that: and the bottoms of the supporting legs (6) are provided with anti-skid pads.
3. The coal drying and grinding device for the thermal power plant according to claim 1, characterized in that: and a vertical pipe is arranged at the top of the drying device (11).
4. The coal drying and grinding device for the thermal power plant according to claim 1, characterized in that: the bottom of the drying device (11) is symmetrically and fixedly provided with high-temperature resistant brushes (12) at two sides, and the high-temperature resistant brushes (12) are in contact with the bottom of the inner side of the main body (1).
5. The coal drying and grinding device for the thermal power plant according to claim 1, characterized in that: the top of the grinding disc (10) and the inner wall of the main body (1) are provided with convex blocks (17).
6. The coal drying and grinding device for the thermal power plant according to claim 1, characterized in that: one side of the main body (1) is fixedly provided with a switch group (13) through a screw, and the switch group (13) is electrically connected with the driving motor (3), the air extracting device (4) and the electric heating wire (16) through electric wires.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120887291.6U CN214916567U (en) | 2021-04-27 | 2021-04-27 | Coal drying and grinding device for thermal power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120887291.6U CN214916567U (en) | 2021-04-27 | 2021-04-27 | Coal drying and grinding device for thermal power plant |
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| CN214916567U true CN214916567U (en) | 2021-11-30 |
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| CN202120887291.6U Active CN214916567U (en) | 2021-04-27 | 2021-04-27 | Coal drying and grinding device for thermal power plant |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115430684A (en) * | 2022-10-17 | 2022-12-06 | 安徽碧深高纤有限公司 | Recovery unit of cellosilk |
-
2021
- 2021-04-27 CN CN202120887291.6U patent/CN214916567U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115430684A (en) * | 2022-10-17 | 2022-12-06 | 安徽碧深高纤有限公司 | Recovery unit of cellosilk |
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