A pulverizing device for low-rank coal modification

Abstract

The present invention discloses a pulverizing device for modifying low-rank coal, and relates to the technical field of coal processing equipment. The device body is provided with a feeding channel, a feeding port is provided at the top of the feeding channel, a pulverizing device is installed at the bottom of the feeding port, a bottom bracket is provided at the bottom of the feeding channel, a stirring device is provided at one end of the bottom bracket, a track is provided between the feeding channel and the bottom bracket, a mobile conveying device is installed on the track, a fixed plow-type discharger is installed on the mobile conveying device, a bracket is provided at one end of the track, and a shaking feeder is installed at the bottom end of the fixed plow-type discharger. In the present invention, coal enters the feeding channel through the feeding port, passes through the pulverizing device in the feeding channel, is pulverized, and directly inputs the coal that meets the specifications into the mobile conveying device through the vibrating screen in the feeding channel, and is then discharged by the fixed plow-type discharger and the shaking feeder, with a high degree of automation throughout the process.

Description

Technical Field

[0001] The present invention relates to the technical field of coal processing equipment, and in particular to a pulverizing device for modifying low-rank coal. Background Art

[0002] my country's energy storage structure is characterized by more coal and less oil, of which low-quality low-grade coal accounts for about 45%. Due to its poor thermal stability, low ignition point, strong reactivity, easy oxidation and spontaneous combustion, and easy cracking and powdering after drying, its processing and application are subject to certain restrictions. At present, coal crushers only have a single crushing function, which is not convenient for loading and discharging, has low work efficiency, and does not have the function of adding catalysts. Summary of the Invention

[0003] The purpose of the present invention is to provide a crushing device for low-rank coal modification, which has the advantage of improving work efficiency and solves the problem that the coal crusher has only a single crushing function, is inconvenient for loading and discharging, has low work efficiency, and does not have the function of adding catalyst.

[0004] In order to solve the above technical problems, the present invention provides the following technical solutions: a crushing device for low-rank coal modification, wherein a feeding channel is provided on the device body, a feeding port is provided at the top of the feeding channel, a crushing device is installed at the bottom of the feeding port, a bottom bracket is provided at the bottom of the feeding channel, a stirring device is provided at one end of the bottom bracket, a track is provided between the feeding channel and the bottom bracket, a mobile conveying device is installed on the track, a fixed plow-type discharger is installed on the mobile conveying device, a bracket is provided at one end of the track, a shaking feeder is installed at the bottom end of the fixed plow-type discharger, a driving motor is installed at the top of the stirring device, and a stirring device is provided at the bottom end of the driving motor. There is a driving shaft, which is provided with a stirring blade, a feeding port is provided on one side of the driving shaft, a high-pressure pump is provided on the other side of the driving motor, a delivery pipe is provided on the top of the high-pressure pump, the delivery pipe is located in the built-in cavity, a surrounding pipe is provided on the top of the delivery pipe, a spray head is provided at the bottom end of the surrounding pipe, a plurality of solenoid valves are installed on one side of the delivery pipe, a horizontal spray head is provided at one end of the solenoid valve, a vibrating screen is installed on the top of the mobile conveying device, a vibrating motor is provided at the bottom end of the vibrating screen, a mounting plate is provided at the bottom end of the vibrating motor, a transmission spring is provided on the top of the transmission spring, a limiting block is provided at the top of the transmission spring, and a closed door is provided on one side of the discharge channel.

[0005] Furthermore, a first stirring motor and a second stirring motor are provided on one side of the pulverizing device, and a stirring shaft is provided at one end of the first stirring motor and the second stirring motor, and a pulverizing blade is provided on the stirring shaft.

[0006] By adopting the above technical solution, the coal material entering the discharge port can be easily crushed by the crushing blade in the crushing device.

[0007] Furthermore, the driving motor is connected to the stirring blade via the driving shaft, and the high-pressure pump is connected to the surrounding pipe via the delivery pipe.

[0008] By adopting the above technical solution, the drive shaft and the stirring blades are driven by the drive motor, so that the catalyst and the solution in the stirring device are stirred evenly, and the solution is transported to the delivery pipe and the surrounding pipe by the high-pressure pump.

[0009] Furthermore, the bottom end of the vibration motor is fixedly connected to the inner wall of the feeding channel through the mounting plate, the top end of the vibration motor is connected to the vibration screen, and the vibration screen is connected to the limit block through the transmission spring.

[0010] By adopting the above technical solution, it is easy to screen qualified coal materials.

[0011] Furthermore, the surrounding tube is located at the top of the pulverizing device.

[0012] By adopting the above technical solution, it is convenient to spray the coal in the feeding channel.

[0013] Furthermore, the mobile conveying device is connected to the rail.

[0014] By adopting the above technical solution, it is easy to move the mobile conveying device.

[0015] Compared with the existing technology, this device has the following beneficial effects:

[0016] 1. In the present invention, the coal enters the discharge channel through the feed port, passes through the crushing device in the discharge channel to be crushed, and directly passes through the vibrating screen in the discharge channel to input the coal that meets the specifications into the mobile conveying device, and then is discharged by the fixed plow type discharger and the shaking feeder. The whole process has a high degree of automation, which is conducive to improving work efficiency.

[0017] 2. In the present invention, the catalyst and the solution are stirred evenly by a stirring device, and the solution is transported to the surrounding pipe through a conveying pipe, wherein the uncrushed coal is sprayed by a spray head, and then the crushed coal in the feeding channel is sprayed by a horizontal spray head, so as to fully spray the coal and facilitate the modification of the coal.

[0018] 3. In the present invention, unqualified coal on the vibrating screen can be easily cleaned by opening the closed door. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the present invention;

[0020] Figure 2 This is a schematic diagram of the connection structure of the pulverizing device of the present invention;

[0021] Figure 3 This is a schematic structural diagram of location A of the present invention;

[0022] Figure 4 This is a schematic diagram of the connection structure at B of the present invention;

[0023] Figure 5 This is a schematic diagram of the connection structure at point C of the present invention.

[0024] In the figure: 1 - device body, 2 - feed inlet, 3 - crushing device, 4 - discharge channel, 5 - fixed plow-type discharger, 6 - track, 7 - bracket, 8 - shaking feeder, 9 - bottom bracket, 10 - drive shaft, 11 - stirring blade, 12 - stirring device, 13 - feeding inlet, 14 - drive motor, 15 - high-pressure pump, 16 - internal chamber, 17 - conveying pipe, 18 - first stirring motor, 19 - second stirring motor, 20 - stirring shaft, 21 - crushing blade, 22 - surrounding pipe, 23 - spray head, 24 - closing door, 25 - limit block, 26 - transmission spring, 27 - vibration motor, 28 - mounting plate, 29 - vibrating screen, 30 - horizontal spray head; 31 - solenoid valve. 32 - mobile conveying device. DETAILED DESCRIPTION

[0025] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0026] See also Figure 1-5The present invention provides a technical solution: a pulverizing device for modifying low-rank coal, comprising a device body 1, a feeding channel 4 is provided on the device body 1, a feeding port 2 is provided at the top of the feeding channel 4, a pulverizing device 3 is installed at the bottom of the feeding port 2, a bottom bracket 9 is provided at the bottom of the feeding channel 4, a stirring device 12 is provided at one end of the bottom bracket 9, a track 6 is provided between the feeding channel 4 and the bottom bracket 9, a mobile conveying device 32 is installed on the track 6, a fixed plow-type discharger 5 is installed on the mobile conveying device 32, a bracket 7 is provided at one end of the track 6, a shaking feeder 8 is installed at the bottom end of the fixed plow-type discharger 5, a driving motor 14 is installed at the top of the stirring device 12, a driving shaft 10 is provided at the bottom end of the driving motor 14, and a stirring device 12 is provided on the driving shaft 10. A stirring blade 11 is provided, a feeding port 13 is provided on one side of the driving shaft 10, a high-pressure pump 15 is provided on the other side of the driving motor 14, a delivery pipe 17 is provided at the top of the high-pressure pump 15, the delivery pipe 17 is located in the built-in cavity 16, a surrounding pipe 22 is provided at the top of the delivery pipe 17, a spray head 23 is provided at the bottom end of the surrounding pipe 22, a plurality of solenoid valves 31 are installed on one side of the delivery pipe 17, a horizontal spray head 30 is provided at one end of the solenoid valve 31, a vibrating screen 29 is installed on the top of the mobile conveying device 32, a vibrating motor 27 is provided at the bottom end of the vibrating screen 29, a mounting plate 28 is provided at the bottom end of the vibrating motor 27, a transmission spring 26 is provided on the top of the transmission spring 26, a limiting block 25 is provided at the top of the transmission spring 26, and a closed door 24 is provided on one side of the discharge channel 4.

[0027] A first stirring motor 18 and a second stirring motor 19 are provided on one side of the pulverizing device 3 . A stirring shaft 20 is provided at one end of the first stirring motor 18 and the second stirring motor 19 . A pulverizing blade 21 is provided on the stirring shaft 20 .

[0028] The driving motor 14 is connected to the stirring blade 11 via the driving shaft 10 , and the high-pressure pump 15 is connected to the surrounding pipe 22 via the delivery pipe 17 .

[0029] The bottom end of the vibration motor 27 is fixedly connected to the inner wall of the feeding channel 4 through the mounting plate 28 , and the top end of the vibration motor 27 is connected to the vibration screen 29 , and the vibration screen 29 is connected to the limit block 25 through the transmission spring 26 .

[0030] The surrounding pipe 22 is located at the top end of the comminution device 3 .

[0031] The mobile conveying device 32 is connected to the rails 6 .

[0032] The fixed plough-type discharger 8 of the present invention has the same structure as the existing plough-type discharger, and the shaking feeder 8 has the same structure as the existing shaking feeder.

[0033] During use, the coal first passes through the feed port 2, and the first stirring motor 18 and the second stirring motor 19 drive the stirring shaft 21 and the crushing blade 21 to crush the coal. At the same time, an appropriate amount of solution and catalyst are injected into the stirring device 12 through the feeding port 13, and the drive motor 14 drives the drive shaft 10 and the stirring blade 11 to stir the solution and catalyst evenly. Then, the high-pressure pump 15 pumps the solution into the conveying pipe 17 and the surrounding pipe 22, and the spray head 23 sprays the uncrushed coal. Then, the horizontal spray head 30 sprays the crushed coal in the discharge channel 4 to fully spray the coal. Then, the vibration motor 27 and the transmission spring 26 drive the vibrating screen 29 to vibrate, so that the coal that meets the requirements of the vibrating screen 29 enters the mobile conveying device 32, and is transported by the mobile conveying device 32 to the fixed plow-type discharger 5 and introduced into the shaking feeder 8. The closed door 24 is opened to facilitate the cleaning of unqualified coal on the vibrating screen 29.

[0034] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A pulverizing device for modifying low-rank coal, comprising a device body (1), characterized in that: The device body (1) is provided with a feeding channel (4), a feeding port (2) is provided at the top of the feeding channel (4), a crushing device (3) is installed at the bottom of the feeding port (2), a bottom bracket (9) is provided at the bottom of the feeding channel (4), a stirring device (12) is provided at one end of the bottom bracket (9), a track (6) is provided between the feeding channel (4) and the bottom bracket (9), and a movable conveying device ( 32), a fixed plow type discharger (5) is installed on the mobile conveying device (32), a bracket (7) is provided at one end of the track (6), a shaking feeder (8) is installed at the bottom end of the fixed plow type discharger (5), a driving motor (14) is installed at the top end of the stirring device (12), a driving shaft (10) is provided at the bottom end of the driving motor (14), a stirring blade (11) is provided on the driving shaft (10), and a stirring blade (11) is provided on the driving shaft (10). A feeding port (13) is provided on one side, a high-pressure pump (15) is provided on the other side of the driving motor (14), a delivery pipe (17) is provided at the top end of the high-pressure pump (15), the delivery pipe (17) is located in the built-in cavity (16), a surrounding pipe (22) is provided at the top end of the delivery pipe (17), a spray head (23) is provided at the bottom end of the surrounding pipe (22), and a plurality of electromagnetic valves (31) are installed on one side of the delivery pipe (17), the electromagnetic valves (31) A transverse spray head (30) is provided at one end of the movable conveying device (32), a vibrating screen (29) is installed on the top of the vibrating screen (29), a vibrating motor (27) is provided at the bottom end of the vibrating motor (27), a mounting plate (28) is provided at the bottom end of the vibrating motor (27), a transmission spring (26) is provided at the top end of the transmission spring (26), a limiting block (25) is provided at the top end of the transmission spring (26), and a closed door (24) is provided on one side of the discharge channel (4); A first stirring motor (18) and a second stirring motor (19) are provided on one side of the pulverizing device (3); a stirring shaft (20) is provided at one end of the first stirring motor (18) and the second stirring motor (19); and a pulverizing blade (21) is provided on the stirring shaft (20); The driving motor (14) is connected to the stirring blade (11) via the driving shaft (10), and the high-pressure pump (15) is connected to the surrounding pipe (22) via the delivery pipe (17); The bottom end of the vibration motor (27) is fixedly connected to the inner wall of the feeding channel (4) through the mounting plate (28), the top end of the vibration motor (27) is connected to the vibration screen (29), and the vibration screen (29) is connected to the limit block (25) through the transmission spring (26); The surrounding tube (22) is located at the top end of the pulverizing device (3); The movable conveying device (32) is connected to the rail (6).

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