CN217249615U - Coal mill capable of ventilating and drying for processing burnt coal powder - Google Patents
Coal mill capable of ventilating and drying for processing burnt coal powder Download PDFInfo
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- CN217249615U CN217249615U CN202220464437.0U CN202220464437U CN217249615U CN 217249615 U CN217249615 U CN 217249615U CN 202220464437 U CN202220464437 U CN 202220464437U CN 217249615 U CN217249615 U CN 217249615U
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Abstract
The utility model discloses a but coal pulverizer is used in processing of coal powder that burns of through-air drying, including casing and fixed mill, be provided with first conveyor and second conveyor in the casing, and the casing top has seted up the drain hole, first conveyor and second conveyor's top all is provided with the support frame, and is provided with exhaust fan and heating wire on the support frame, fixed mill sets up in the casing, and fixed mill bottom is connected with the mount. This but coal pulverizer is used in pulverized coal processing of burning into of through-air drying, be provided with exhaust fan and heating wire, the heating wire can blow the wind of the coal cinder to first conveyor and second conveyor to the exhaust fan and heat and make its dry, thereby be convenient for prevent to influence the crocus quality because of the coal cinder is moist, can make the coal cinder grind through falling into between fixed mill and the rotatory mill that the feed inlet is even under first conveyor and second conveyor's transport effect simultaneously, and then be convenient for prevent that it from breaking down because of once throwing the material is too much.
Description
Technical Field
The utility model relates to a coal pulverizer technical field specifically is a but coal pulverizer is used in processing of coal dust is fired to ventilation drying.
Background
A coal mill is a machine for crushing and grinding coal into pulverized coal, and through mass search, it is found that a typical coal mill in the prior art, such as publication No. CN212237517U, has an air-powder homogenizing function, and the coal mill is connected to a boiler by a pulverized coal pipe, and includes: the coal pulverizer comprises a coal pulverizer shell, wherein the top of the coal pulverizer shell is connected with a pulverized coal pipeline, and a primary air pipe is also arranged on the side wall of the bottom of the coal pulverizer shell; the material powder conveying assembly is communicated with the coal mill shell; the material powder grinding assembly is rotatably connected to the bottom of the coal mill shell; the material powder homogenizing assembly comprises a driving mechanism and a homogenizing rotor, the driving mechanism drives the homogenizing rotor to rotate and be sleeved on the material powder conveying assembly, and an air inlet and an air outlet are formed in the bottom and the side wall of the homogenizing rotor respectively; and one end of the central air inlet assembly is communicated with the primary air pipe, and the other end of the central air inlet assembly is inserted into the shell of the coal mill and communicated with the material powder conveying assembly. The wind-powder homogenizing device is mainly characterized by reasonable structural design, good wind-powder homogenizing effect and effective reduction of wind-powder deviation in the coal-powder pipeline.
In summary, the grinding quality of the existing coal mill is easily affected due to the fact that the raw materials are too humid, and the existing coal mill is mostly simple in structure, so that the phenomenon of incomplete grinding is easily caused.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a but coal pulverizer is used in pulverized coal processing of firing of through-air drying to solve the current coal pulverizer who provides among the above-mentioned background art and influence its grinding quality because of the raw materials is too moist easily, and the most simple structure of current coal pulverizer, thereby appear grinding incomplete problem easily.
In order to achieve the above object, the utility model provides a following technical scheme: a coal mill for processing fired coal dust capable of being dried by ventilation, which comprises a shell and a fixed grinding disc,
a first conveying device and a second conveying device are arranged in the shell, a discharge hole is formed in the top of the shell, supporting frames are arranged above the first conveying device and the second conveying device, and an exhaust fan and a heating wire are arranged on the supporting frames;
the fixed grinding disc is arranged in the shell, the bottom of the fixed grinding disc is connected with the fixed frame, the shell is provided with the rotary grinding disc, one side of the fixed frame is provided with the nozzle, the nozzle is connected with the air pump through a pipeline, and one side of the fixed frame is connected with the separator through a ventilation channel.
Preferably, the conveying directions of the first conveying device and the second conveying device are opposite;
through adopting above-mentioned technical scheme, be convenient for prolong the drying time that the coal cinder was accepted through first conveyor and second conveyor to be convenient for improve the drying effect of device.
Preferably, the exhaust fan and the heating wires are distributed on the support frame in a rectangular array shape, and the heating wires are arranged below the exhaust fan;
by adopting the technical scheme, the heating range of the device is convenient to expand.
Preferably, the rotary grinding disc is correspondingly arranged below the fixed grinding disc, and a feed inlet is formed in the center of the fixed grinding disc;
through adopting above-mentioned technical scheme, be convenient for utilize rotatory mill to grind the coal cinder that falls into between fixed mill and the rotatory mill through the feed inlet.
Preferably, the rotary grinding disc is connected with the output end of the motor, the motor is connected with the side wall of the shell through the fixing plate, and the upper surface of the rotary grinding disc is in a convex shape with a high middle and two low sides;
through adopting above-mentioned technical scheme, be convenient for progressively grind the coal cinder to be convenient for improve the rationality of device structure.
Preferably, the separator is arranged in the shell, the bottom of the separator is connected with a discharge pipe, and the other end of the discharge pipe and the left end of the second conveying device are both arranged above the feeding hole;
by adopting the technical scheme, unqualified coal dust and coal blocks after separation can be conveniently ground.
Compared with the prior art, the beneficial effects of the utility model are that: the coal mill for processing the fired coal powder capable of being dried by ventilation,
(1) the coal grinding device is provided with an exhaust fan and an electric heating wire, the electric heating wire can heat air blown to coal blocks on the first conveying device and the second conveying device by the exhaust fan, so that the hot air can dry the coal blocks, the influence on the grinding quality of the device due to the moisture of the coal blocks is prevented, meanwhile, the coal blocks can uniformly fall between the fixed grinding disc and the rotary grinding disc through the feed inlet under the conveying action of the first conveying device and the second conveying device for crushing and grinding, and the failure caused by excessive feeding at one time is prevented;
(2) be provided with the air pump, the air pump can blow in the separator with the buggy after the grinding through ventilation channel to can utilize the separator to filter the buggy, simultaneously under the transport effect of arranging the material pipe, the buggy that does not grind completely will get back to and grind again between fixed mill and the rotatory mill, thereby be convenient for improve the homogeneity of device crocus.
Drawings
FIG. 1 is a schematic view of the main sectional structure of the present invention;
FIG. 2 is a schematic top view of the cross-sectional structure of the present invention;
fig. 3 is an enlarged schematic view of a portion a in fig. 1 according to the present invention.
In the figure: 1. the device comprises a shell, 2, a first conveying device, 3, a second conveying device, 4, a supporting frame, 5, an exhaust fan, 6, an electric heating wire, 7, a fixed grinding disc, 8, a rotary grinding disc, 9, a motor, 10, a feeding hole, 11, a nozzle, 12, an air pump, 13, a ventilation channel, 14, a fixing frame, 15, a separator, 16 and a discharging hole.
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 efforts all belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a coal mill for processing pulverized coal fired by ventilation drying is disclosed, as shown in figures 1 and 2, a first conveying device 2 and a second conveying device 3 are arranged in a shell 1, a discharge hole 16 is formed in the top of the shell 1, the conveying directions of the first conveying device 2 and the second conveying device 3 are opposite, a worker can place coal blocks on the first conveying device 2 through the discharge hole 16, so that the coal blocks are prevented from accidentally falling from the edge during air drying, the first conveying device 2 drives the coal blocks to move rightwards until the coal blocks fall onto the second conveying device 3, the second conveying device 3 drives the coal blocks to move leftwards to a feed port 10, and accordingly the coal blocks can enter a space between a rotary grinding disc 8 and a fixed grinding disc 7 through the feed port 10 to be ground.
As shown in fig. 1, 2 and 3, a support frame 4 is arranged above the first conveying device 2 and the second conveying device 3, an exhaust fan 5 and heating wires 6 are arranged on the support frame 4, the exhaust fan 5 and the heating wires 6 are distributed on the support frame 4 in a rectangular array shape, the heating wires 6 are arranged below the exhaust fan 5, the exhaust fan 5 can blow coal blocks on the first conveying device 2 and the second conveying device 3, the coal blocks are made to be dry, and meanwhile, the heating wires 6 are convenient for heating air exhausted to the coal blocks, so that the heating efficiency of the coal blocks is improved.
As shown in fig. 1, the fixed grinding disc 7 is arranged in the casing 1, the bottom of the fixed grinding disc 7 is connected with the fixed frame 14, the casing 1 is provided with the rotary grinding disc 8, the rotary grinding disc 8 is correspondingly arranged below the fixed grinding disc 7, the central position of the fixed grinding disc 7 is provided with the feed inlet 10, and the motor 9 drives the rotary grinding disc 8 to rotate, so that coal briquettes between the rotary grinding disc 8 and the fixed grinding disc 7 can be ground.
As shown in fig. 1, the output end of the rotary millstone 8 is connected with the output end of the motor 9, and the motor 9 is connected with the side wall of the shell 1 through the fixing plate, the upper surface of the rotary millstone 8 is in a convex shape with high middle and low two sides, the coal briquette moves to the edge of the rotary millstone 8 under the action of centrifugal force, thereby gradually grinding the coal briquette, one side of the fixing frame 14 is provided with the nozzle 11, the nozzle 11 is connected with the air pump 12 through a pipeline, and one side of the fixing frame 14 is connected with the separator 15 through the ventilation channel 13.
As shown in fig. 1 and 2, the separator 15 is arranged in the casing 1, the bottom of the separator 15 is connected with a discharging pipe, qualified coal powder separated by the separator 15 is discharged to the inside of an external storage device for storage, unqualified coal powder is discharged into the feed inlet 10 through the discharging pipe, so that the rotating grinding disc 8 and the fixed grinding disc 7 can be utilized for secondary grinding, and the other end of the discharging pipe and the left end of the second conveying device 3 are both arranged above the feed inlet 10, thereby facilitating the coal blocks on the second conveying device 3 to fall into the feed inlet 10.
When in use, the first conveying device 2 drives the coal blocks to move rightwards, the coal blocks moving to the right side fall onto the second conveying device 3, the second conveying device 3 drives the coal blocks to move to the feed port 10 for uniform blanking, meanwhile, under the matching action of the exhaust fan 5 and the electric heating wire 6, hot air is continuously blown to the first conveying device 2 and the second conveying device 3 for ventilation and drying, then the motor 9 drives the rotary millstone 8 to rotate to grind the coal blocks falling between the rotary millstone 8 and the fixed millstone 7 through the feed inlet 10 in a rotating way, the pulverized coal generated by grinding falls into the support frame 4, meanwhile, under the action of the air pump 12, the nozzle 11 blows out air flow to drive the pulverized coal to move upwards to the separator 15 through the ventilation channel 13, and unqualified pulverized coal separated by the separator 15 is discharged to the rotary grinding disc 8 through the feed port 10 to be ground again.
The terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for ease of description, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the scope of the invention.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. The utility model provides a but coal pulverizer is used in processing of ventilation drying's burnt buggy, includes casing (1) and fixed mill (7), its characterized in that:
a first conveying device (2) and a second conveying device (3) are arranged in the shell (1), a discharge hole (16) is formed in the top of the shell (1), supporting frames (4) are arranged above the first conveying device (2) and the second conveying device (3), and an exhaust fan (5) and an electric heating wire (6) are arranged on the supporting frames (4);
the grinding disc fixing device is characterized in that the fixed grinding disc (7) is arranged in the shell (1), the bottom of the fixed grinding disc (7) is connected with a fixing frame (14), the shell (1) is provided with a rotary grinding disc (8), one side of the fixing frame (14) is provided with a nozzle (11), the nozzle (11) is connected with an air pump (12) through a pipeline, and one side of the fixing frame (14) is connected with a separator (15) through a ventilation channel (13).
2. The coal mill for processing the pulverized coal fired which can be dried by ventilation according to claim 1, characterized in that: the conveying directions of the first conveying device (2) and the second conveying device (3) are opposite.
3. The coal mill for processing the pulverized coal fired which can be dried by ventilation according to claim 1, characterized in that: exhaust fan (5) and heating wire (6) are rectangle array form and distribute on support frame (4), and heating wire (6) set up the below at exhaust fan (5).
4. The coal mill for processing the pulverized coal fired which can be dried by ventilation according to claim 1, characterized in that: the rotary grinding disc (8) is correspondingly arranged below the fixed grinding disc (7), and a feed inlet (10) is formed in the center of the fixed grinding disc (7).
5. The coal mill for processing the pulverized coal fired which can be dried by ventilation according to claim 1, characterized in that: the rotary grinding disc (8) is connected with the output end of the motor (9), the motor (9) is connected with the side wall of the shell (1) through the fixing plate, and meanwhile, the upper surface of the rotary grinding disc (8) is in a convex shape with a high middle and two low sides.
6. The coal mill for processing the pulverized coal fired by ventilation drying as claimed in claim 1, wherein: separator (15) set up in casing (1), and the bottom of separator (15) is connected with row material pipe, and the other end of arranging the material pipe simultaneously and the left end of second conveyor (3) all set up the top at feed inlet (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220464437.0U CN217249615U (en) | 2022-03-03 | 2022-03-03 | Coal mill capable of ventilating and drying for processing burnt coal powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220464437.0U CN217249615U (en) | 2022-03-03 | 2022-03-03 | Coal mill capable of ventilating and drying for processing burnt coal powder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217249615U true CN217249615U (en) | 2022-08-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220464437.0U Active CN217249615U (en) | 2022-03-03 | 2022-03-03 | Coal mill capable of ventilating and drying for processing burnt coal powder |
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| CN (1) | CN217249615U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117753515A (en) * | 2024-02-22 | 2024-03-26 | 航天氢能新乡气体有限公司 | Automatic coal mill of coal cinder |
-
2022
- 2022-03-03 CN CN202220464437.0U patent/CN217249615U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117753515A (en) * | 2024-02-22 | 2024-03-26 | 航天氢能新乡气体有限公司 | Automatic coal mill of coal cinder |
| CN117753515B (en) * | 2024-02-22 | 2024-04-30 | 航天氢能新乡气体有限公司 | Automatic coal mill of coal cinder |
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