In order to ensure the safe production of mines, according to the “Provisions for Strengthening Gas Emission Management†(Trial) of the “One Pass Three Prevention Document Collection†of our mine, the following routine gas emission measures are formulated, and all participant ...more...
1) When using pneumatic rock drill, rock drill requires air inlet drying air, 500 kPa pressure should be maintained, but shall not be less than 400kPa; the required clean soft water, when forced to use an acidic or alkaline water, drilling machines work should be finished Inject some lubricant immed ...more...
Fluorite is often associated with quartz , calcite , barite and sulfide ore. Flotation is widely used at home and abroad to enrich fluorite. Especially, high-purity fluorite powder is used for flotation. For the quartz-fluorite type ore, a rough grinding process, coarse concentrate regrind, and mult ...more...
Brief Analysis of the Structure Characteristics and Working …
Vacuum butterfly valve features: 1. It is designed and manufactured by adopting the new structure of medium-line disc and short-structure steel plate welding. It is compact in structure, light in weight, easy to install, small in flow resistance and large in circulation. It avoids the influence of ...more...
How is the cyanide-containing tailings pulp treated harmless…
At present, there are more than 400 gold mines produced by the whole mud cyanide gold extraction process in China. If the cyanide tailings slurry is changed from the traditional method such as alkali chloride method into gold ore, the cyanide reduction and wastewater treatment technology and demons ...more...
·Guangzhou Honda Automobile Co., Ltd. recalled some importe…
Recently, Guangqi Honda Automobile Co., Ltd. filed a recall plan with the AQSIQ, and will recall part of the imported 2013 Honda produced from April 5, 2012 to March 1, 2013 Fit hybrid car. According to the company's statistics, there are 50 vehicles in mainland China. The airbags in front of ...more...
Multi-provincial Ethanol Gasoline Launched to Promote Tradit…
The full promotion of ethanol gasoline kicked off. Since September, the fifteen ministries and commissions of the Development and Reform Commission issued the "Implementation Plan for Expanding the Biofuel Ethanol Production and Promoting the Use of Vehicle-Used Gasoline," Tianjin and S ...more...