CN214159973U - Coal grinding device for thermal power plant - Google Patents
Coal grinding device for thermal power plant Download PDFInfo
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- CN214159973U CN214159973U CN202022762232.4U CN202022762232U CN214159973U CN 214159973 U CN214159973 U CN 214159973U CN 202022762232 U CN202022762232 U CN 202022762232U CN 214159973 U CN214159973 U CN 214159973U
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- coal grinding
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Abstract
The utility model relates to a thermal power plant equipment technical field just discloses a coal grinding device for thermal power plant, including coal grinding device body, coal grinding device body bottom is equipped with placer, support column, places board and shock pad, coal grinding device body outside is including the cylinder, puts into mouth, tuber pipe, preheating device and fan, inside coal crushing device, stripper plate, recess, guide board, gear, servo motor and the conveyer belt of being equipped with of coal grinding device body. This a coal grinding device for thermal power plant, through cylinder bottom fixedly connected with carriage release lever and stripper plate, make its cylinder promote the stripper plate, smash its too big coal, the gear of being convenient for smashes the coal of its undersize, the beneficial effect of being convenient for smash too big coal has been reached, smash its coal through inside cylinder and the servo motor of passing through of coal grinding device body, it is convenient for to make its internal structure simplify, the beneficial effect of being convenient for inspect and maintain the coal pulverizer has been reached.
Description
Technical Field
The utility model relates to a thermal power plant equipment technical field specifically is a coal grinding device for thermal power plant.
Background
The coal mill is the main equipment of a coal powder preparation system of a thermal power station. The steel ball coal mill is used for drying coal blocks, crushing the coal blocks through steel balls and lining plates in a cylinder body on the steel ball coal mill, grinding the coal blocks into coal powder for supplying to a boiler for combustion, and in order to improve the burning rate and ignition performance of the coal powder in the boiler of a coal-fired power station, the coal mill is generally used for grinding raw coal into the coal powder and sending the coal powder into a hearth through a pipeline for combustion. In the process of feeding raw coal into a hearth after being ground by a coal mill, two modes are adopted: firstly, a direct-fired pulverizing system, namely, coal is directly fed into a hearth for combustion through a pipeline after being ground by a coal mill; and the middle storage bin type powder making system is characterized in that the coal is ground by a coal mill and then is sent into a storage bin through a pipeline, and the coal enters the pipeline through a powder feeder at the lower part of the storage bin and then is sent into a hearth for combustion.
But the existing coal mill can not better crush the oversize coal, so that the normal operation of the coal mill body is not conveniently influenced when the coal is oversize, and the manual labor is increased when the inspection and maintenance of most coal mills are excessively complicated in structure.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a not enough to prior art, the utility model provides a coal grinding device for thermal power plant possesses the oversize coal of being convenient for and simple structure is convenient for maintain advantages such as inspection, has solved above-mentioned technical problem.
(II) technical scheme
In order to achieve the above object, the utility model provides a following technical scheme: a coal grinding device for a thermal power plant comprises a coal grinding device body, wherein a placing device, a supporting column, a placing plate and a shock pad are arranged at the bottom of the coal grinding device body;
the coal grinding device body comprises an air cylinder, an inlet, an air pipe, a preheating device and a fan outside;
the coal grinding device body is internally provided with a coal crushing device, a moving rod, an extrusion plate, a groove, a guide plate, a gear, a servo motor and a conveyor belt;
the placing device comprises a plurality of supporting columns, a placing plate is fixedly connected to the tops of the supporting columns, and shock pads are fixedly connected to the tops of the placing plate.
Through the technical scheme, the coal grinding device body is placed and fixed through the placing device, the coal grinding device body is fixed through the supporting columns, the coal grinding device body is placed through the placing plate, the damping pad is located between the coal grinding device body and the placing plate, vibration generated when the coal grinding device body operates is reduced, and the pressure is reduced, so that the hard contact between the coal grinding device body and the placing plate is reduced, and loss is reduced.
The coal grinding device comprises a coal grinding device body, and is characterized in that the top of the coal grinding device body is fixedly connected with an air cylinder, one side of the bottom of the air cylinder is fixedly connected with a moving rod, one side of the coal grinding device body is fixedly provided with an inlet, the other side of the coal grinding device body is fixedly provided with an air pipe, one end of the air pipe is provided with a preheating device, and the other end of the air pipe is provided with a fan;
through the technical scheme, be equipped with the cylinder through coal grinding device body top, utilize the cylinder to promote the carriage release lever, make its carriage release lever remove, put into the mouth through fixed being equipped with in coal grinding device body one side, the mouth is put into to the utilization inside putting into the coal grinding device body with its coal, guide out coal grinding device body with its buggy through the tuber pipe, heat its coal through preheating device, the better burning of being convenient for blows off its buggy through the tuber pipe through the fan.
The coal crushing device comprises a moving rod, a squeezing plate is fixedly connected to one side of the bottom of the moving rod, a plurality of grooves are formed in two sides of the bottom of the squeezing plate, the top of the squeezing plate is an inclined plane, a guide plate is fixedly connected to two sides of the inner wall of the coal grinding device body, two gears are arranged at the lower end of the guide plate, the teeth between the gears move in an engaged mode to rotate, a servo motor is fixedly connected to one side of each gear, and a conveying belt is arranged at the bottom of each gear.
Through the technical scheme, be equipped with the stripper plate through the carriage release lever bottom, utilize the stripper plate to remove to extrude its coal, be equipped with the recess through the stripper plate bottom, utilize the recess to make its recess and the apical circle of gear tooth carry out the phase-match, make its gear slide along the recess is inside, extrude and smash its coal, guide its coal to between the gear through the guide board, utilize the gear to carry out opposite antiport, make its coal receive the extrusion on the gear and make it smash, rotate through a gear of servo motor drive, make it extrude the smashing to the coal, convey its coal by the smashing through the conveyer belt, make it convey tuber pipe one end and make it blow off inside the coal grinding device body.
Compared with the prior art, the utility model provides a coal grinding device for thermal power plant possesses following beneficial effect:
1. this a coal grinding device for thermal power plant through cylinder bottom fixedly connected with carriage release lever and stripper plate, makes its cylinder promote the stripper plate, smashes its too big coal, and the gear of being convenient for smashes its coal of undersize, has reached the beneficial effect of being convenient for smash too big coal.
2. This a coal grinding device for thermal power plant carries out through inside cylinder and the servo motor of coal grinding device body and smashes its coal, makes its internal structure simplification be convenient for the staff and inspects and maintains, has reached the beneficial effect of being convenient for inspect and maintain the coal pulverizer.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a schematic side view of the structure of the present invention;
fig. 3 is a schematic view of the structure extrusion plate of the present invention.
Wherein: 1. a coal grinding device body; 2. a placement device; 201. a support pillar; 202. placing the plate; 203. A shock pad; 3. a cylinder; 4. placing in an inlet; 5. an air duct; 6. a preheating device; 7. a fan; 8. a coal crushing device; 801. a travel bar; 802. a pressing plate; 803. a groove; 804. a guide plate; 805. a gear; 806. a servo motor; 807. and (4) a conveyor belt.
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. 1-3, a coal grinding device for a thermal power plant comprises a coal grinding device body 1, wherein a placing device 2, a supporting column 201, a placing plate 202 and a shock pad 203 are arranged at the bottom of the coal grinding device body 1;
the coal grinding device body 1 comprises an air cylinder 3, a discharge port 4, an air pipe 5, a preheating device 6 and a fan 7 outside;
the coal grinding device body 1 is internally provided with a coal crushing device 8, a moving rod 801, an extrusion plate 802, a groove 803, a guide plate 804, a gear 805, a servo motor 806 and a conveyor belt 807;
the placing device 2 comprises a plurality of supporting columns 201, a placing plate 202 is fixedly connected to the tops of the supporting columns 201, and a shock pad 203 is fixedly connected to the top of the placing plate 202, so that the coal grinding device body 1 is placed and fixed through the placing device 2, the coal grinding device body 1 is fixed through the supporting columns 201, the coal grinding device body 1 is placed through the placing plate 202, the shock pad 203 is located between the coal grinding device body 1 and the placing plate 202, vibration generated during operation of the coal grinding device body 1 is reduced, pressure reduction is performed on the coal grinding device body, and hard contact between the coal grinding device body 1 and the placing plate 202 is reduced to reduce loss;
the coal grinding device has the advantages that the cylinder 3 is arranged at the top of the coal grinding device body 1, the moving rod 801 is fixedly connected to one side of the bottom of the cylinder 3, the moving rod 4 is fixedly arranged at one side of the coal grinding device body 1, the air pipe 5 is fixedly arranged at the other side of the coal grinding device body 1, the preheating device 6 is arranged at one end of the air pipe 5, and the fan 7 is arranged at the other end of the air pipe 5;
the coal crushing device 8 comprises a moving rod 801, an extrusion plate 802 is fixedly connected to one side of the bottom of the moving rod 801, a plurality of grooves 803 are formed in two sides of the bottom of the extrusion plate 802, the top of the extrusion plate 802 is an inclined surface, guide plates 804 are fixedly connected to two sides of the inner wall of the coal grinding device body 1, two gears 805 are arranged at the lower ends of the guide plates 804, teeth between the two gears 805 are in meshing rotation, a servo motor 806 is fixedly connected to one side of each gear 805, a conveying belt 807 is arranged at the bottom of each gear 805, the advantages that the extrusion plate 802 is arranged at the bottom of the moving rod 801, coal is extruded by the movement of the extrusion plate 802, the grooves 803 are formed in the bottom of the extrusion plate 802, the grooves 803 are matched with addendum circles of the gears 805 by the grooves 803, the gears 805 slide along the insides of the grooves 803, the coal is extruded and crushed, and the coal is guided to the positions between the gears 805 by the guide plates 804, the coal is crushed by being pressed on the gear 805 by the reverse rotation of the gear 805, and the crushed coal is pressed and crushed by rotating one gear 805 by the servo motor 806, and is transferred to one end of the air duct 5 by the conveyor belt 807 and blown out of the coal grinding apparatus main body 1.
When the coal grinding device is used, the coal grinding device body 1 comprises the placing device 2, the coal grinding device body 1 is placed by the placing device 2, the coal grinding device body 1 is subjected to shock absorption protection to a certain degree to prevent abrasion through the supporting columns 201, the placing plate 202 and the shock absorption pads 203, the moving rod 801 and the extrusion plate 802 are pushed by the air cylinder 3 to crush oversized coal, the coal is movably connected with the gear 805 through the grooves 803 and is extruded, the coal is guided into the gear 805 through the guide plate 804, the gear 805 is driven to rotate through the servo motor 806, the crushed coal is conveyed into the air pipe 5 through the conveying belt 807, carbon powder of the crushed coal is heated through the preheating device 6, and the carbon powder of the crushed coal is blown out of the coal grinding device body 1 through the fan 7.
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)
1. The utility model provides a coal grinding device for thermal power plant, includes coal grinding device body (1), its characterized in that: the bottom of the coal grinding device body (1) is provided with a placing device (2), a supporting column (201), a placing plate (202) and a shock pad (203);
the coal grinding device body (1) is externally provided with a cylinder (3), an inlet (4), an air pipe (5), a preheating device (6) and a fan (7);
the coal grinding device comprises a coal grinding device body (1), wherein a coal crushing device (8), a moving rod (801), an extrusion plate (802), a groove (803), a guide plate (804), a gear (805), a servo motor (806) and a conveyor belt (807) are arranged in the coal grinding device body;
the placing device (2) comprises a plurality of supporting columns (201), a placing plate (202) is fixedly connected to the tops of the supporting columns (201), and a shock pad (203) is fixedly connected to the top of the placing plate (202);
the coal grinding device comprises a coal grinding device body (1), and is characterized in that the top of the coal grinding device body (1) is fixedly connected with an air cylinder (3), one side of the bottom of the air cylinder (3) is fixedly connected with a moving rod (801), one side of the coal grinding device body (1) is fixedly provided with an inlet (4), the other side of the coal grinding device body (1) is fixedly provided with an air pipe (5), one end of the air pipe (5) is provided with a preheating device (6), and the other end of the air pipe (5) is provided with a fan (7);
broken coal device (8) is including carriage release lever (801), one side fixedly connected with stripper plate (802) in carriage release lever (801) bottom, stripper plate (802) bottom both sides are equipped with a plurality of recesses (803), stripper plate (802) top is the inclined plane, coal grinding device body (1) inner wall both sides fixedly connected with guide board (804), and the lower one end of guide board (804) is equipped with two gears (805), two the interlock rotation is moved in the tooth between gear (805), gear (805) one side fixedly connected with servo motor (806), gear (805) bottom is equipped with conveyer belt (807).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022762232.4U CN214159973U (en) | 2020-11-25 | 2020-11-25 | Coal grinding device for thermal power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022762232.4U CN214159973U (en) | 2020-11-25 | 2020-11-25 | Coal grinding device for thermal power plant |
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| CN214159973U true CN214159973U (en) | 2021-09-10 |
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| CN202022762232.4U Active CN214159973U (en) | 2020-11-25 | 2020-11-25 | Coal grinding device for thermal power plant |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114160237A (en) * | 2021-12-07 | 2022-03-11 | 江南造船(集团)有限责任公司 | Waste crusher in ship cabin |
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2020
- 2020-11-25 CN CN202022762232.4U patent/CN214159973U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114160237A (en) * | 2021-12-07 | 2022-03-11 | 江南造船(集团)有限责任公司 | Waste crusher in ship cabin |
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