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  • Gangue Grouting Filling - China

    price: contact company for price

    Process introduction

    Gangue grouting filling process generally refers to that the

    mixed cementing material slurry is conveyed to the worked-

    out section after filling the worked-out section with

    gangue, to make the material slurry gradually penetrate the

    whole coal gangue filling body by using its good fluidity,

    thereby forming good cementing strength.

    Our company designed and constructed the filling system for

    Shandong Xinwen Mining Group Zhaizhen Coal Mine, which aims

    to effectively control surface subsidence and liberate the

    unexploited coal resources under industrial plaza.

    Meanwhile, it can solve the safety, environment, land use

    and other problems of gangue hill.

    This technology has won national scientific and

    technological progress second award and provincial

    departmental scientific and technological progress first

    award.

    Technical innovation:

    Gangue grouting filling technology can achieve that the

    gangue or waste rock is not risen out of the mineshaft by

    carrying out underground filling. Besides, it is designed

    and equipped with filling tamping hydraulic support.

    Adopting the new alkali-activated material can effectively

    improve the fluidity and stability of material slurry.

    Reasonable slurrying process can effectively enhance the

    permeability of material slurry.

    Adopting the new-type precipitator underground can

    effectively reduce the amount of dust underground and

    improve the mineshaft environment.


    Company Contact:


    • Phone: 8653168658705

    • Address: Building A 806, Yinhe Plaza, High-teach Zone,, Jinan, China

    • Email: Email


    Published date: August 29, 2013 -

    • Business Description: Shandong Huifa Mining Technology Co.,Ltd, an alliance unit of Province

      Ministry Co constructing State Key Laboratory, specializes in the

      design, manufacturing and general contracting mine filling exploitation,

      tailing dry drainage and mine environmental governance projects.

      The company headquarter is located in Jinan High tech Zone, consists of two manufacturing bases covering an area of about 27000 square meters. Of which, one is located in Weifang Linqu Economic Development Zone, the other is located in Dezhou Liyi County Economic Development Zone. The company has six standardized mechanical workshops, and is equipped with large CNC machining centers and other advanced equipments. Now there are 500 employees in the company, of which 5 people have doctor s degree, 25 people have master s degree, people with bachelor s degree or above account for 70%. In 2012, our company passed the ISO9001 international standard certification, and was awarded as High tech Enterprise of Shandong Province. The company has totally applied for more than 80 items of mine filling technology and process patents, including over 20 items of invention patents.

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