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| Discussion on technology of paste filling transporting control system in coal mine |
| Yang Lijie1, Niu Qingna2,Zhu tao1,Zhang yongshuo1 |
| 1. College of Mechanical and Equipment Engineering, Hebei University of Engineering, Handan 056038; 2. Kexin College, Hebei University of Engineering, Handan 056038, China |
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Abstract The paste filling technology in coal mine is to transport the paste materials of the high mass concentration to underground with the pump or the dead weight. Paste filling and transporting control system is one of the important systems of paste filling in coal mine. The paper discusses some key technologies of the control system involved in this paper. The developing process of paste filling technology, and the main features of paste filling are expounded in this paper. On the basis of this, the key technologies in the paste filling transporting control system are expounded, namely: the filling pump, the paste filling materials, the accuracy of the paste weighing ratio, the paste flow on-line detection, etc.. The realization of the key technology of paste filling transporting control system is beneficial to improve the level of coal mine filling technology in our country, improve the intelligent control of system, improve the filling quality, and improve the efficiency of paste delivery.
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