CN216322474U

CN216322474U - Improved vertical mill device for pulverized coal preparation system

Info

Publication number: CN216322474U
Application number: CN202122318025.4U
Authority: CN
Inventors: 佘节平; 徐从俊; 赵云峰; 凤君; 胡亚峰; 杜鹏程
Original assignee: Anhui Tongling Conch Cement Co Ltd
Current assignee: Anhui Tongling Conch Cement Co Ltd
Priority date: 2021-09-24
Filing date: 2021-09-24
Publication date: 2022-04-19
Anticipated expiration: 2031-09-24

Abstract

The utility model discloses an improved vertical mill device for a pulverized coal preparation system, which comprises an outer shell, a crushing chamber, a speed reducer and a bottom plate, wherein the outer shell is fixed in the middle of the surface of the bottom plate, the crushing chamber is fixed in the middle of the inner part of the outer shell, a roller is oppositely and rotatably installed in the crushing chamber, one end of the roller is connected to the output end of a second driving motor, the second driving motor is fixed in the middle of the outer front surface of the outer shell, the speed reducer is fixed in the middle of the inner bottom end of the outer shell, one side of the speed reducer is rotatably connected with a first driving motor, the first driving motor is fixed at one end of the surface of the bottom plate, a grinding disc is rotatably installed on the top surface of the speed reducer, grinding rollers are arranged on two sides of the surface of the grinding disc, and the grinding rollers are rotatably installed on two sides of the inner part of the outer shell through rotating shafts. The utility model has two crushing processes, can carry out primary crushing processing and secondary grinding processing on large-particle coal blocks, reduces the abrasion degree of the grinding roller and prolongs the service life of the grinding roller.

Description

Improved vertical mill device for pulverized coal preparation system

Technical Field

The utility model relates to the technical field of vertical mills, in particular to an improved vertical mill device for a pulverized coal preparation system.

Background

The vertical mill is an ideal large-scale grinding device and is widely applied to the industries of cement, electric power, metallurgy, chemical industry, non-metal ore and the like. It integrates crushing, drying, grinding and grading conveying into a whole, has high production efficiency, and can grind blocky, granular and powdery raw materials into required powdery materials.

Traditional vertical mill adopts directly to grind through the grinding roller and presses large granule coal cinder, and the direct grinding of large granule coal cinder presses time long, and it is poor to go out the powder effect, has also increased the wearing and tearing frequency of grinding roller simultaneously.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an improved vertical mill device for a pulverized coal preparation system, which has the advantages of two crushing processing procedures, capability of primarily crushing and processing large-particle coal briquettes, reduction of the abrasion degree of a grinding roller and prolongation of the service life, and solves the problems of long direct grinding time and poor powder discharging effect of the conventional large-particle coal briquettes and increase of the abrasion frequency of the grinding roller.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a buggy preparation system is with improved generation immediately grinding device, includes the shell body, smashes room, speed reducer and bottom plate, be fixed with the shell body in the middle of the surface of bottom plate, be fixed with in the middle of the inside of shell body and smash the room, smash the inside subtend rotation of room and install the roller, the one end of roller is connected to second driving motor's output, and second driving motor fixes in the middle of the outside front surface of shell body, be fixed with the speed reducer in the middle of the inside bottom of shell body, the top surface of speed reducer rotates installs the mill, and the surperficial both sides of mill are equipped with the grinding roller, and the grinding roller rotates through the pivot and installs the inside both sides at the shell body.

Preferably, one side of the speed reducer is rotatably connected with a first driving motor, and the first driving motor is fixed at one end of the surface of the bottom plate.

Preferably, the air holes are formed in two sides of the bottom end of the outer shell, and the second pipeline is installed inside the air holes in a connected mode.

Preferably, the two sides of the outer part of the crushing chamber are provided with channels, and the channels are arranged on the two sides of the middle of the inner part of the outer shell.

Preferably, a powder concentrator is fixed at the top end of the inner part of the outer shell, and a discharge hole is formed in the middle of the top surface of the outer part of the outer shell.

Preferably, the outside top of smashing the room is connected and is installed first pipeline, and the one end of first pipeline is fixed with into the hopper, and goes into the hopper and pass through the clamp and fix on the outside one side top of shell body.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the roller and the second driving motor are matched, so that the coal material entering the crushing chamber can be subjected to preliminary crushing, the effect of preliminary crushing of the large coal material is achieved, and the coal material to be processed can enter the crushing chamber through the feeding hopper and the first pipeline, so that the effect of gathering and conveying is achieved.

2. According to the utility model, the grinding disc can rotate through the matching of the first driving motor and the speed reducer, so that the effect of power output is achieved, and through the matching of the grinding roller and the grinding disc, the coal material which is primarily ground in the grinding chamber can be subjected to secondary grinding, so that the effect of rotary grinding is achieved.

3. According to the utility model, through the matching of the air holes and the second pipeline, the gas output by the gas supply equipment can be blown into the inner part of the outer shell, so that the effect of conveying and blowing the pulverized coal on the surface of the grinding disc is achieved.

Drawings

FIG. 1 is a schematic diagram of the internal structure of the present invention in a front view;

fig. 2 is a schematic view of a front view of the present invention.

In the figure: 1. a discharge port; 2. an outer housing; 3. clamping a hoop; 4. feeding into a hopper; 5. selecting a powder machine; 6. a first conduit; 7. a crushing chamber; 8. a roller; 9. grinding the roller; 10. air holes; 11. a grinding disc; 12. a speed reducer; 13. a base plate; 14. a first drive motor; 15. a second conduit; 16. a rotating shaft; 17. a channel; 18. a second drive motor.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 2, the present invention provides a technical solution of an improved vertical mill device for a pulverized coal preparation system: an improved vertical mill device for a pulverized coal preparation system comprises an outer shell 2, a crushing chamber 7, a speed reducer 12 and a bottom plate 13, wherein the outer shell 2 is fixed in the middle of the surface of the bottom plate 13, the crushing chamber 7 is fixed in the middle of the inner part of the outer shell 2, passages 17 are arranged on two sides of the outer part of the crushing chamber 7 and are arranged on two sides of the inner part of the outer shell 2, rollers 8 are oppositely and rotatably arranged in the crushing chamber 7, one end of each roller 8 is connected to the output end of a second driving motor 18, the second driving motor 18 is fixed in the middle of the front surface of the outer part of the outer shell 2, through the matching of the rollers 8 and the second driving motor 18, coal materials entering the crushing chamber 7 can be preliminarily crushed, the effect of preliminarily crushing large coal materials is achieved, a first pipeline 6 is connected and installed at the top end of the outer part of the crushing chamber 7, an air locking valve is fixed in the first pipeline 6, prevent that the gaseous buggy that takes 11 surfaces of mill of second pipeline 15 to blow off through smashing room 7 and first pipeline 6 and discharge, the one end of first pipeline 6 is fixed with into hopper 4, through the cooperation of going into hopper 4 and first pipeline 6, makes the coal material of treating processing can enter into through here and smash room 7 in, has reached the effect of gathering transmission, and goes into hopper 4 and fix on one side top of the outside of shell body 2 through clamp 3.

A speed reducer 12 is fixed in the middle of the bottom end inside the outer shell 2, one side of the speed reducer 12 is rotatably connected with a first driving motor 14, the first driving motor 14 is fixed at one end of the surface of a bottom plate 13, through the cooperation of the first driving motor 14 and the speed reducer 12, a grinding disc 11 can rotate, the effect of power output is achieved, a grinding disc 11 is rotatably installed on the top surface of the speed reducer 12, grinding rollers 9 are arranged on two sides of the surface of the grinding disc 11, through the cooperation of the grinding rollers 9 and the grinding disc 11, the preliminarily ground coal material in the grinding chamber 7 can be subjected to secondary grinding, the effect of rotary grinding is achieved, the grinding rollers 9 are rotatably installed on two sides inside the outer shell 2 through a rotating shaft 16, air holes 10 are formed in two sides of the bottom end inside the outer shell 2, a second pipeline 15 is installed inside the air holes 10 in a connecting mode, through the cooperation of the air holes 10 and the second pipeline 15, and the air output by the air supply device can be blown into the inside of the outer shell 2, the effect of conveying and blowing up the pulverized coal on the surface of the grinding disc 11 is achieved, the powder concentrator 5 is fixed at the top end inside the outer shell 2, and the discharge hole 1 is formed in the middle of the top surface outside the outer shell 2.

The working principle is as follows: before the coal mill is used, a worker is required to supply power to the external power supply, then the worker conveys coal materials to the inside of the feeding hopper 4 through equipment such as a lifter, the coal materials enter the inside of the first pipeline 6 through the feeding hopper 4, the coal materials are conveyed to the crushing chamber 7 through the first pipeline 6, at the moment, the second driving motor 18 rotates the rollers 8 with the output ends fixedly connected, the two rollers 8 start to rotate oppositely, the coal materials conveyed to the inside of the crushing chamber 7 are subjected to primary crushing, the coal materials after the primary crushing fall onto the surface of the grinding disc 11, at the moment, the first driving motor 14 rotates the speed reducer 12 with the output ends connected, the grinding disc 11 is driven to rotate by the speed reducer 12, the rotating grinding disc 11 drives the coal materials on the surface to rotate, so that the grinding roller 9 arranged on the surface of the grinding disc 11 can crush the coal materials on the surface of the grinding disc 11, after the coal materials are crushed into powder, the worker opens the gas supply equipment to blow the surface of the grinding disc 11 through the second pipeline 15, the gas can bring the coal powder on the surface of the grinding disc 11 to enter the powder selecting machine 5 through the channel 17, the powder selecting machine 5 performs powder selecting processing, and finally the coal powder is discharged through the discharge hole 1.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a buggy preparation system is with improved generation vertical milling device, includes shell body (2), smashes room (7), speed reducer (12) and bottom plate (13), its characterized in that: the middle outer shell (2) that is fixed with in the middle of the surface of bottom plate (13), the middle crushing room (7) that is fixed with in the inside of outer shell (2), the inside opposite direction of crushing room (7) is rotated and is installed roller (8), and the one end of roller (8) is connected to the output of second driving motor (18), and second driving motor (18) are fixed in the middle of the outside front surface of outer shell (2), be fixed with speed reducer (12) in the middle of the inside bottom of outer shell (2), the top surface of speed reducer (12) is rotated and is installed mill (11), and the surperficial both sides of mill (11) are equipped with grinding roller (9), and grinding roller (9) rotate through pivot (16) and install the inside both sides in outer shell (2).

2. The improved vertical mill device for the pulverized coal preparation system according to claim 1, characterized in that: one side of the speed reducer (12) is rotatably connected with a first driving motor (14), and the first driving motor (14) is fixed at one end of the surface of the bottom plate (13).

3. The improved vertical mill device for the pulverized coal preparation system according to claim 1, characterized in that: air holes (10) are formed in two sides of the bottom end of the outer shell (2), and second pipelines (15) are connected and installed inside the air holes (10).

4. The improved vertical mill device for the pulverized coal preparation system according to claim 1, characterized in that: the outside both sides of smashing room (7) are equipped with passageway (17), and passageway (17) set up in the middle both sides of the inside of shell body (2).

5. The improved vertical mill device for the pulverized coal preparation system according to claim 1, characterized in that: the inside top of shell body (2) is fixed with selection powder machine (5), is equipped with discharge gate (1) in the middle of the outside top surface of shell body (2).

6. The improved vertical mill device for the pulverized coal preparation system according to claim 1, characterized in that: smash the outside top connection of room (7) and install first pipeline (6), the one end of first pipeline (6) is fixed with into hopper (4), and goes into hopper (4) and fix on the outside one side top of shell body (2) through clamp (3).