Intelligent dry separation system for raw coal
By designing an intelligent dry coal separation system, intelligent dry separation of raw coal was achieved, solving the problem of needing to transport fine coal externally, improving the yield of clean coal and the separation accuracy, reducing transportation costs and manpower requirements, and improving the working environment.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- TAIYUAN ZHENGYUE ENG DESIGN COMPONY LTD
- Filing Date
- 2025-05-30
- Publication Date
- 2026-05-01
AI Technical Summary
The fine coal from existing coal preparation plants needs to be transported to subsequent coal preparation plants for dry separation, resulting in low efficiency and waste of resources.
Design a raw coal intelligent dry separation system, including a raw coal bunker, roller screen, crusher, linear screen, intelligent dry separator and air supply mechanism, to realize intelligent dry separation of raw coal and separation of gangue. The photoelectric intelligent dry separator does not require water, reducing transportation costs and manpower requirements.
It can improve the yield and sorting accuracy of clean coal, reduce the ash content of lump coal, save energy and manpower, improve the working environment, and improve production efficiency and product quality.
Smart Images

Figure CN224181391U_ABST
Abstract
Description
Intelligent dry coal separation system Technical Field
[0001] This utility model relates to the field of coal preparation technology, and in particular to an intelligent dry coal preparation system. Background Technology
[0002] In existing coal preparation plants, the fine coal produced in the gangue preparation tower is stored in the product silo and then transported to subsequent coal preparation plants for dry separation. Therefore, we provide an intelligent dry separation system for raw coal. Summary of the Invention
[0003] Therefore, the purpose of this utility model is to provide an intelligent dry coal separation system to solve the problems mentioned in the background art.
[0004] To achieve the above objectives, the following technical solution is adopted:
[0005] The raw coal intelligent dry separation system includes a raw coal bin, which is connected to a raw coal roller screen via a belt conveyor. The raw coal roller screen is connected to a fine coal roller screen and a raw coal crusher. The raw coal roller screen is connected to the raw coal crusher via a manual selection belt conveyor. The fine coal roller screen is connected to a mixed coal bin belt conveyor via a fine coal transfer belt conveyor. The mixed coal bin belt conveyor is connected to the mixed coal bin via a mixed coal bin distribution belt conveyor.
[0006] The fine coal roller screen and the raw coal crusher are connected to the linear screen. The linear screen is connected to the fine coal transfer belt conveyor and the intelligent dry separator. The intelligent dry separator is connected to the gangue crusher. The gangue crusher is connected to the gangue bin via the gangue bucket elevator.
[0007] As a further improvement of this utility model, the raw coal crusher is connected to the belt conveyor of the coal mixing silo.
[0008] As a further improvement of this utility model, the raw coal bunker is connected to the main shaft opening via a raw coal bunker belt conveyor.
[0009] As a further improvement of this utility model, the raw coal crusher is connected to the linear screen via a raw coal transfer belt conveyor.
[0010] As a further improvement of this utility model, the gangue crusher is connected to the gangue bucket elevator, and the gangue bucket elevator is connected to the gangue bin via a gangue bin belt conveyor.
[0011] As a further improvement of this utility model, a self-unloading iron remover is installed on the belt conveyor.
[0012] As a further improvement of this utility model, it also includes an air supply mechanism, which includes an air compressor connected to two air storage tanks. One air storage tank supplies air to the point of use, and the other air storage tank is connected to a refrigerated dryer. The refrigerated dryer is connected to another air storage tank, which supplies air to the point of use.
[0013] The beneficial effects of this utility model are:
[0014] In terms of energy conservation and environmental protection, the intelligent dry separation of raw coal reduces the amount of gangue in the clean coal, increases the clean coal yield, maximizes the clean coal yield, and improves the quality of the clean coal. The photoelectric intelligent dry separation machine does not require water, has low installed power, greatly saves manpower, and improves production efficiency.
[0015] The adoption of an intelligent dry separation system improves separation accuracy, reduces ash content in lump coal, enhances product quality, reduces transportation costs, and simultaneously reduces labor intensity and improves the working environment. Attached Figure Description
[0016] The accompanying drawings, which form part of this application, are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an undue limitation of the present invention. In the drawings:
[0017] Figure 1 is a schematic diagram of the structure of this utility model;
[0018] Figure 2 is a schematic diagram of the air supply mechanism in this utility model. Detailed Implementation
[0019] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.
[0020] To enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present application, and not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort should fall within the scope of protection of the present application.
[0021] Please refer to Figure 1-2. The intelligent dry coal separation system includes a raw coal bin 1, which is connected to the main shaft opening via a raw coal bin belt conveyor 2. Raw coal is transported from the main shaft opening to the raw coal bin 1. The raw coal bin 1 is then transported to the raw coal roller screen 4 via a belt conveyor 3 for screening. A self-unloading iron remover 5 is installed on the belt conveyor 3 for iron removal. The raw coal roller screen 4 is connected to the fine coal roller screen 6 and the raw coal crusher 7. The raw coal crusher 7 is connected to the linear screen 9 via a raw coal transfer belt conveyor 8. The raw coal roller screen 4 is connected to the raw coal crusher 7 via a manual selection belt conveyor 19. The fine coal roller screen 6 is connected to the mixed coal bin belt conveyor 18 via a fine coal transfer belt conveyor 10. The mixed coal bin belt conveyor 18 is connected to the mixed coal bin 12 via a mixed coal bin distribution belt conveyor 11.
[0022] The fine coal roller screen 6 and the raw coal crusher 7 are connected to the linear screen 9. The linear screen 9 is connected to the fine coal transfer belt conveyor 10 and the intelligent dry separator 12. The intelligent dry separator 12 is a coal photoelectric intelligent dry separator. The intelligent dry separator 12 is connected to the gangue crusher 13 to crush the screened gangue. The gangue crusher 13 is connected to the gangue bucket elevator 14. The gangue bucket elevator 14 is connected to the gangue bin 16 through the gangue bin belt conveyor 15. The gangue bucket elevator 14 lifts the gangue crushed by the gangue crusher 13 into the gangue bin 16.
[0023] The raw coal intelligent dry separation system also includes an air supply mechanism 17, which includes an air compressor 171. The air compressor 171 is connected to two air storage tanks 172. One of the air storage tanks 172 supplies air to the air-using points, and the other air storage tank 172 is connected to a refrigerated dryer 173. The refrigerated dryer 173 is connected to an air storage tank 174, which supplies air to the air-using points.
[0024] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.
Claims
1. A raw coal intelligent dry separation system, including a raw coal bin, characterized in that, The raw coal bunker is connected to the raw coal roller screen via a belt conveyor. The raw coal roller screen is connected to the fine coal roller screen and the raw coal crusher. The raw coal roller screen is connected to the raw coal crusher via a manual sorting belt conveyor. The fine coal roller screen is connected to the mixed coal bunker belt conveyor via a fine coal transfer belt conveyor. The mixed coal bunker belt conveyor is connected to the mixed coal bunker via a mixed coal distribution belt conveyor. The fine coal roller screen and the raw coal crusher are connected to a linear screen. The linear screen is connected to the fine coal transfer belt conveyor and the intelligent dry separator. The intelligent dry separator is connected to the gangue crusher. The gangue crusher is connected to the gangue bunker via a gangue bucket elevator.
2. The intelligent dry coal separation system according to claim 1, characterized in that, The raw coal crusher is connected to the belt conveyor of the coal mixing silo.
3. The intelligent dry coal separation system according to claim 1, characterized in that, The raw coal bunker is connected to the main shaft opening via a raw coal bunker belt conveyor.
4. The intelligent dry coal separation system according to claim 1, characterized in that, The raw coal crusher is connected to the linear screen via a raw coal transfer belt conveyor.
5. The intelligent dry coal separation system according to claim 1, characterized in that, The gangue crusher is connected to the gangue bucket elevator, and the gangue bucket elevator is connected to the gangue bin via a gangue bin belt conveyor.
6. The intelligent dry coal separation system according to claim 1, characterized in that, The belt conveyor is equipped with a self-unloading iron remover.
7. The intelligent dry coal separation system according to claim 1, characterized in that, It also includes an air supply mechanism, which includes an air compressor connected to two air storage tanks. One of the air storage tanks supplies air to the point of use, and the other air storage tank is connected to a refrigerated dryer. The refrigerated dryer is connected to another air storage tank, which supplies air to the point of use.