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  • Full Tail Sand Dry Discharge Cementing Filling Process - China

    price: contact company for price

    Process introduction:

    Full tail sand dry-discharge cementing

    filling process refers to that after cyclone

    classification and thickening, the full sand

    with a certain concentration will be dry-

    discharged to dry stockyard as aggregate, and

    then be mixed with cementation material to

    prepare filling slurry for conveying to

    underground. Cementing filling deep hole

    mining method, designed by our company for

    Shandong Zibo Jinding Ore Mining Co., Ltd

    Wangwangzhuang Iron Mine, takes the full tail

    sand of Jinling iron mine tailing storage as

    filling material, the cementation powder

    produced by our company with independent

    intellectual property rights as the cementing

    material. The full sand will be conveyed by

    belt conveyor and metered by electronic belt

    scale, while the cementation powder will be

    stored in material silo, conveyed and

    proportioned by screw conveyor and screw

    metering scale. The filling system adopts

    two-stage stirring composed by double-shaft

    stirrer and high-efficient activation

    stirrer. The prepared filling slurry will

    flow naturally to the filling area through

    filling drilling and laying pipeline.

    Technical innovation:

    In order to make pipeline conveying

    convenient, reduce pipeline flow resistance

    and improve slurry suspension property, the

    full tail sand dry-discharge cementing

    filling process will select reasonable

    concentration and grain size distribution.

    Two- stage stirring slurrying composed by

    double-shaft stirrer and high-efficient

    activation stirrer can break the flocculent

    structure in slurry, improve the activation

    property, and make the slurry possess good

    liquidity and relatively low segregation


    It solves the problem of selecting reasonable

    concentration for filling slurry by making

    full use of our two-phase flow loop lab.

    It adopts the new-type cementing filling

    material with self-developed and independent

    intellectual property. Under the same

    strength requirement, the amount of cementing

    material is 2/3 of that of cement, which can

    reduce the filling cost.

    Central control system adopts WinCC

    human-computer interface, which can carry out

    remote commissioning and system maintenance

    through network.

    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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