本项技术的特点如下:(1)泥浆泵挖深垫浅复垦采煤沉(塌)陷地新工艺现行的泥浆泵复垦技术存在诸多问题,我们已提出了一个新工艺,在可操作性的几个关键工艺方面正在深入探讨,可望有新的突破,对提高复垦功效和复垦土地生产力有重要作用。(2)无污染充填复垦新技术。用煤矸石和粉煤灰 The characteristics of this technology are as follows: (1) Mud pump deep excavation pad shallow reclamation mining Shen (collapse) sinking new technology The existing mud pump reclamation technology has many problems, we have proposed a new process, Several key aspects of sex are being explored in depth and new breakthroughs are expected to play an important role in improving the efficiency of reclamation and in reclaiming land productivity. (2) new technology of non-polluting filling reclamation. With coal gangue and fly ash