CN220143484U

CN220143484U - Fineness grinding device for coal powder of coal mill

Info

Publication number: CN220143484U
Application number: CN202321347173.1U
Authority: CN
Inventors: 蒋建东; 刘英圳; 刘耀月; 牛性平
Original assignee: Yingde Conch Cement Co ltd
Current assignee: Yingde Conch Cement Co ltd
Priority date: 2023-05-30
Filing date: 2023-05-30
Publication date: 2023-12-08
Anticipated expiration: 2033-05-30

Abstract

The utility model relates to the technical field of grinding equipment, in particular to a coal grinding powder fineness grinding device which comprises a main body box and a screen, wherein a feeding pipe is arranged at the upper end of the main body box, a first grinding wheel is rotatably arranged in the main body box, symmetrically distributed hydraulic equipment is arranged at the side end of the main body box, a grinding plate block is arranged in the main body box by extending a hydraulic rod of the hydraulic equipment, symmetrically distributed mounting plates are arranged at the side ends of the grinding plate block, second grinding wheels are rotatably arranged between the mounting plates, four second grinding wheels are arranged, a supporting plate is arranged on the inner wall of the main body box, a spring is arranged at the upper end of the supporting plate, the screen is arranged at the upper end of the spring, the screen comprises a mounting frame and a screen leakage structure, vibrating equipment is arranged at the lower end of the screen, and a discharge hole is formed in the side end of the main body box, and the screen extends into the discharge hole. The utility model has the advantages of adjusting the grinding structure and ensuring the grinding fineness of the pulverized coal.

Description

Fineness grinding device for coal powder of coal mill

Technical Field

The utility model relates to the technical field of grinding equipment, in particular to a coal grinding device for fineness of coal powder.

Background

The cement industry is an important basic raw material industry for the economic development of national economy in China, and the product is widely applied to civil construction, water conservancy, national defense and other projects, and plays an important role in improving folk life and promoting national economic construction and national defense safety. In the cement production process, energy sources such as electricity consumption, coal and the like are needed. The cement production enterprises in China are numerous, and the energy consumption level and the carbon emission level of the production are greatly different due to different development stages of different cement enterprises, so that the energy-saving carbon reduction transformation and upgrading potential is great.

The grinding structure of the existing coal grinding coal powder fineness grinding device does not have an adjusting function, and the grinding structure is worn in long-term use, so that the grinding fineness of the coal powder can be influenced, and inconvenience is caused to the grinding work of the coal powder.

Disclosure of Invention

The utility model aims to provide a coal grinding pulverized coal fineness grinding device which has the advantages of being capable of adjusting a grinding structure and guaranteeing pulverized coal grinding fineness, and solves the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a coal mill buggy fineness grinder, includes main part case and screen cloth, the inlet pipe is installed to the upper end of main part case, first grinding wheel is installed to main part incasement rotation, and the hydraulic equipment who is symmetric distribution is installed to the side of main part case, hydraulic equipment's hydraulic stem extends to main part incasement and installs the lapping plate, and the mounting panel that is symmetric distribution is installed to the side of lapping plate, rotate between the mounting panel and install the second grinding wheel, the second grinding wheel sets up four, the backup pad is installed to main part incasement wall, and the spring is installed to the upper end of backup pad, the upper end at the spring is installed to the screen cloth, and the screen cloth is including installing frame and drain structure, and vibration equipment is installed to the lower extreme of screen cloth, the discharge gate has been seted up to the side of main part case, and the screen cloth extends to in the discharge gate.

Preferably, the supporting legs are mounted on the lower end face of the main body box, four supporting legs are arranged in total, and the four supporting legs are distributed in an array mode relative to the main body box. The main body box can be supported by the supporting legs.

Preferably, a first driving box is arranged at the rear end of the main body box, driving equipment is arranged in the first driving box, and a main shaft of the driving equipment is connected with the axle center of the first grinding wheel. The first grinding wheel can be rotated by the driving device in the first driving box.

Preferably, a second driving box is installed at the side end of the mounting plate, driving equipment is arranged in the second driving box, and a main shaft of the driving equipment is connected with the axle center of the second grinding wheel. The second grinding wheel can be rotated by the driving device in the second driving box.

Preferably, a second discharging pipe is arranged on the lower end face of the main body box, and the second discharging pipe is communicated with the inside of the main body box. The second discharging pipe is used for discharging screened qualified coal dust.

Preferably, a first discharging pipe is arranged at the position of the discharging hole on the side end face of the main body box. The first discharging pipe is used for discharging pulverized coal with unqualified screening fineness.

Compared with the prior art, the utility model has the following beneficial effects: during use, the first grinding wheel and the second grinding wheel grind coal dust, the second grinding wheel can be made to approach to or separate from the first grinding wheel through hydraulic equipment, the grinding fineness of the coal dust can be adjusted, when the grinding wheel is worn in long-term use, the second grinding wheel is made to approach to the first grinding wheel, the distance between the second grinding wheel and the first grinding wheel is smaller, the grinding fineness of the coal dust can be made to be higher, and the grinding fineness of the coal dust is guaranteed.

Drawings

FIG. 1 is a schematic cross-sectional view of the present utility model;

FIG. 2 is a schematic cross-sectional view of the present utility model in plan view;

fig. 3 is a schematic elevational view of the present utility model.

Reference numerals and names in the drawings are as follows:

1. a feed pipe; 2. grinding the plate; 3. a hydraulic device; 4. a main body box; 5. a first discharge pipe; 6. a support plate; 7. support legs; 8. a vibrating device; 9. a second discharge pipe; 10. a spring; 11. a screen; 12. a mounting plate; 13. a second grinding wheel; 14. a first grinding wheel; 15. a first drive box; 16. and a second drive box.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1 to 3, an embodiment of the present utility model provides: the utility model discloses a coal grinding powder fineness grinding device, which comprises a main body box 4 and a screen 11, wherein supporting legs 7 are arranged on the lower end face of the main body box 4, four supporting legs 7 are distributed in an array mode relative to the main body box 4, a feeding pipe 1 is arranged at the upper end of the main body box 4, a first grinding wheel 14 is rotatably arranged in the main body box 4, a first driving box 15 is arranged at the rear end of the main body box 4, driving equipment is arranged in the first driving box 15, a main shaft of the driving equipment is connected with the axle center of the first grinding wheel 14, hydraulic equipment 3 which is symmetrically distributed is arranged at the side end of the main body box 4, a grinding plate 2 is arranged in the main body box 4 through a hydraulic rod of the hydraulic equipment 3, a mounting plate 12 which is symmetrically distributed is arranged at the side end of the grinding plate 2, a second grinding wheel 13 is rotatably arranged between the mounting plates 12, a second driving box 16 is arranged at the side end of the mounting plate 12, driving equipment is arranged in the second driving box 16, the main shaft of the driving equipment is connected with the second grinding wheel 13 through the axle center of the driving equipment, and the driving equipment 3 is not needed in the driving equipment in the second grinding box 13 or the conventional driving equipment which is well known to be carried out by a person in the field or the ordinary skill of the art, and the driving equipment is well known in the field or the field of the art, and the driving equipment is needed.

In this embodiment, before use, the second grinding wheel 13 can be moved closer to or away from the first grinding wheel 14 by the hydraulic device 3, the grinding fineness of the pulverized coal can be adjusted, during operation, the first grinding wheel 14 and the second grinding wheel 13 can be rotated by the driving device in the first driving box 15 and the driving device in the second driving box 16, and the pulverized coal can be fed into the main body box 4 from the feeding pipe 1, and can be ground by the first grinding wheel 14 and the second grinding wheel 13.

Example two

Referring to fig. 1 to 3, an embodiment of the present utility model provides: compared with the first embodiment, the present embodiment further includes: the backup pad 6 is installed to main part case 4 inner wall, and spring 10 is installed to backup pad 6's upper end, screen cloth 11 is installed in spring 10's upper end, and screen cloth 11 is including installing frame and leaking net structure, and vibratory equipment 8 is installed to screen cloth 11's lower extreme, the discharge gate has been seted up to main part case 4's side, and screen cloth 11 extends to in the discharge gate, the side end face of main part case 4 is located discharge gate department and installs first discharging pipe 5, second discharging pipe 9 is installed to main part case 4's lower terminal surface, and second discharging pipe 9 communicates with main part case 4.

In this embodiment, the pulverized coal that grinds drops to screen cloth 11, and cooperation spring 10 can make screen cloth 11 produce the vibration through vibration equipment 8 work, makes screen cloth 11 can screen the pulverized coal, and the fine qualified pulverized coal can be discharged from second discharging pipe 9, and the fine unqualified pulverized coal of screening can be discharged from first discharging pipe 5, can conveniently add the fine unqualified pulverized coal again and grind again.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a coal mill buggy fineness grinder, includes main part case (4) and screen cloth (11), its characterized in that: the utility model provides a grinding device for grinding stone, including main part case (4), inlet pipe (1) is installed to the upper end of main part case (4), first grinding wheel (14) is installed in main part case (4) internal rotation, and hydraulic equipment (3) that are symmetric distribution are installed to the side end of main part case (4), install grinding stone block (2) in main part case (3) the hydraulic stem, install mounting panel (12) that are symmetric distribution grinding stone block (2) the side end, rotate between mounting panel (12) and install second grinding wheel (13), second grinding wheel (13) set up four, backup pad (6) are installed to main part case (4) inner wall, spring (10) are installed to the upper end of backup pad (6), install the upper end at spring (10) screen cloth (11), and screen cloth (11) are including installing frame and drain structure, vibration equipment (8) are installed to the lower extreme of screen cloth (11), the discharge gate has been seted up to the side end of main part case (4), screen cloth (11) extend to in the discharge gate.

2. The pulverized coal fineness grinding device for coal grinding according to claim 1, wherein: the lower end face of the main body box (4) is provided with four supporting legs (7), and the four supporting legs (7) are distributed in an array mode relative to the main body box (4).

3. The pulverized coal fineness grinding device for coal grinding according to claim 1, wherein: the rear end of the main body box (4) is provided with a first driving box (15), driving equipment is arranged in the first driving box (15), and a main shaft of the driving equipment is connected with the axle center of the first grinding wheel (14).

4. The pulverized coal fineness grinding device for coal grinding according to claim 1, wherein: the side end of the mounting plate (12) is provided with a second driving box (16), driving equipment is arranged in the second driving box (16), and a main shaft of the driving equipment is connected with the axle center of the second grinding wheel (13).

5. The pulverized coal fineness grinding device for coal grinding according to claim 1, wherein: the lower end face of the main body box (4) is provided with a second discharging pipe (9), and the second discharging pipe (9) is communicated with the inside of the main body box (4).

6. The pulverized coal fineness grinding device for coal grinding according to claim 1, wherein: the side end face of the main body box (4) is positioned at the discharge hole and is provided with a first discharge pipe (5).