Views: 0 Author: Site Editor Publish Time: 2022-09-27 Origin: Site
1. The coal scuff at the tail of the belt conveyor is always in contact with the running belt. During operation, sliding friction between the two causes severe wear on one-third and two-thirds of the belt, which makes the belt reach the scrapping standard in advance and reduces the service life of the belt. At the same time, it also causes frequent replacement of the coal baffle and a large amount of material consumption.
2. When the feeding of the tail chute of the belt conveyor is not in the center of the belt, the overall deviation of the belt conveyor is often caused, which brings great hidden danger to the safety production and the safe operation of the equipment. Due to the large outlet of the chute at the tail of the machine and the different source directions of the materials above the chute, the materials will be left or right, which will cause the overall deviation of the belt and make the equipment operate in an unsafe state. In this case, the deflection adjusting idler cannot be used for adjustment. The common method is to weld the deflector at the chute outlet, and the welding deflector requires repeated tests of observation, welding, re observation, and re welding to weld the appropriate deflector.
3. When the belt conveyor stops running due to production accidents, there will be silted coal at the tail of the machine. When the problem is solved and the machine starts again, the silted coal in the tail chute and the coal baffle will cause a huge friction resistance between the coal baffle and the belt. This friction resistance exceeds the load of the equipment, thus causing the equipment to fail to start normally. When the equipment at this level stops suddenly while the superior equipment is still running, it will cause silting coal in the tail chute and coal baffle of the equipment at this level. As the pressure generated by the silted coal in the chute is relatively large, the whole pressure is pressed on the coal baffle and the tail belt, which makes the friction between them larger. In addition, the load on the belt will greatly exceed the load of the motor under normal circumstances, resulting in the inability to start the car or the phenomenon of motor protection power loss. If the work frequency of the post is heavy, the motor or electrical appliance will be burned, which further aggravates the accident.
4. Wear of coal baffle and deviation of belt will cause coal scattering at the chute at the tail of the machine, which may affect the site health, or cause belt tearing and accidents. As the belt contacts with the trough idler and presents a bending state, its vertical projection width is only 1070mm, and there will be no coal scattering under the condition that the coal retaining skin is intact. When the coal apron is seriously worn and damaged to a certain extent, when the belt deviation reaches the edge of the idler, the coal will be scattered from the worn part of the coal apron, and the coal stacked on both sides of the belt conveyor or on the lower belt will be taken to the tail drum, causing belt deviation, which will lead to a major production accident.
Recently, the Jining High-tech Zone General Trade Union and the Human Resources Department of Jining High-tech Zone jointly announced the 2024 'High-tech Craftsman' list. Li Zhenbo, General Manager of Information Technology at China Coal Group and General Manager of Zhongyun Group, was awarded the title of 'High-tech Craftsman' for his outstanding contributions and innovative spirit.
On September 30th, China Coal Group held a grand cultural performance to celebrate the 75th anniversary of the founding of the People's Republic of China with the theme of 'Forging Ahead to Celebrate the Birthday of the People's Republic of China' in the conference center. The chairman of China Coal Group, Mr. Qiu Qing, the general manager of China Coal Group, Mr. Han Yong, and all the members of the leadership team of China Coal Group attended the event and witnessed the grand celebration together with more than 1,000 employees on the spot. The cultural performance was conducted in the way of 'on-site + webcast', aiming to show the spirit of the cadres and workers of China Coal Group and express the love and blessing to the great motherland through colorful cultural programs.
On September 29th, in this season of autumn and fruitfulness, China Coal Group, full of joy and pride, participated in the ‘Harvest Celebration and National Day’, which was jointly organized by Jining Hi-Tech District Federation of Trade Unions and Jiezhuang Street to welcome the 75th anniversary of the founding of New China and the Farmer's Harvest Festival.
