Deep well pump selection method

Selection of Deep Well Pumps (1) Select a multi-stage submersible pump based on the maximum allowable extraction volume of the source well. The pump's pumping volume must be consistent with the actual water inflow in the well. The pumping capacity must be equal to or slightly less than

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Beijing CBD Core District Z6 Land Project

Project Name: Beijing CBD Core Zone Z6 Land Project (2011-2012) Area: Beijing Progress: Construction Preparation Period: 2011-2012 Major equipment: cranes, fire-fighting facilities, security facilities, water supply and drainage facilities, electrical facilities, ventilation facilities, and lighti

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Working principle and performance of roller crusher

There are two basic types of roller crushers : two-roller and single-roller. The working mechanism of the two-roller crusher is two cylindrical rollers, as shown in the figure below. The roller 2 is supported by a fixed bearing 4, and the roller 1 is supported by a movable bearing 5. The rotation

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Talc mineral raw material characteristics

Talc is a layered structure with an aqueous magnesium silicate mineral matter, chemical formula Mg 3 [Si 4 O 10] (OH) 2, an oxide expressed as 3MgO • 4SiO 2 • H 2 O. Because of its soft texture, it has a strong sense of slippery and gets its name. Talc has high electrical insulation, hea

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Stirring leaching

Stirring cyanide leaching is commonly used to treat materials less than 0.3 mm. It has the advantages of short leaching time, small plant area, high mechanization and high recovery rate of gold . Since the pulp is leached under stirring conditions, the concentration of oxygen in the solution is hig

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Mercury mixing process (2)

Usually added in an amount of mercury 9 times amount of gold-containing material, but with the grinding particle size and gold content (Table 4). Mercury can be added to the amalgamation cartridge at the same time as the material, but practice has shown that adding mercury to the cartridge after gr

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