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    Pastes selection of raw materials and raw material ratio is how
    2014-09-30 19:23:37

    Shandong wins Asian machinery specializing in the production of various types of brick, brick machine, brick machine, hollow brick, brick pavement and other equipment of the old brick factory.
    Unburned material selection is kind of how? Here I will briefly explain:
         1, clay, should contain a certain amount of loose particles, in order to facilitate mixed cement. Less sand clay, can be equipped with sand in the soil. Less sand and hard clay, after adding sand to be milled.
         2, cement, mixed with 10% of the 425 # ordinary portland cement, can improve the strength and water resistance of brick, not crack after flooding. Otherwise, there will be general brick cracking phenomenon.
         3, water: an appropriate amount of water, the strength of the brick is high. Forming less water, the difference between the strength of the brick, the material in the mold resistance is large, single-sided pressure, brick underside not dense; forming more water, the bottom surface of moist, easy to damage when the mold. When the sand moisture content of 3-5%, water consumption by 10 percent during molding is appropriate. If the raw sand too much, then dropped to 8 percent.
    About unburned ratio of raw materials, made ​​reference value for the user:
    1, fly ash bricks: 30% ash, slag 30%, stone nitrate 30%, 8-10% cement, rock sand fine 0.2%. (100kg / cm2 plus 8% of cement, 150kg / cm2 plus 10% of cement)
    2, Stone Glass tiles: powder 60%, stone nitrate 3%, 8-10% cement, lime 3%, ash 0.2%.
    3, river sand bricks: ① 60% sand, stone powder 30%, 10-15% of cement, mortar treasure 0.5%. ② Asher Wang 0.2%, 0.2% early strength agent, potassium chloride 0.2%. (Choose one)
    4, shale brick (crushed): Shale 90%, 8-10% cement, rock sand 0.2%, potassium chloride 0.2%
    5, gold iron ore: iron ore 60% ​​gold, stone powder 30%, 10-15% of cement, fine sand rock 0.2%, 0.2% potassium chloride, early strength agent 0.2%.
    6, high-volume fly ash bricks: 60% fly ash, slag 30%, 8-10% cement, rock sand fine 0.2%, 0.2% early strength agent.
           Shandong Sheng Machinery Co., Ltd has been committed cement products machinery research and development, production and sales, with advanced equipment, professional and technical skills, and two decades of practical experience, the company has always been at the forefront of research and development center block making machine market development , concerned about the advanced technology at home and abroad, to develop products for the investment needs of different users, there are block making machine, hydraulic tile machine, cement pipe machine, blender, suspended roller machine, wire rod machine equipment. Currently has 19 branch offices and six foreign countries (Nigeria, Tanzania, Algeria, Kenya, Mozambique, Ethiopia) and exported more than 100 countries and regions.


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