1. Hillside open pit mine: Above the closed-loop mining boundary, it is a hillside open pit mine. 2. Sag open pit mine: Below the closed-loop mining boundary, it is a hollow open pit mine. 3. Closed circle: The closed curve formed by the upper boundary of open-pit mining at the same elevation. 4
Read moreThe basis for selecting the hydrocyclone is: 1 the volume of slurry required to be treated Q (m3/h); 2 the graded particle size (or the maximum size of the overflow) d (mm). First, the diameter D of the cyclone is determined based on Q and d. Generally, when the overflow is relatively thick and the
Read moreThe method of extracting vanadium from vanadium and titanium ore magnet can be summarized into two: Fire by indirect vanadium is vanadium or vanadium iron ore slag, wet vanadium is vanadium iron ore directly. At present, China mainly uses indirect vanadium extraction. Vanadium extraction process b
Read moreThe State Council recently issued the "Soil Pollution Prevention Action Plan" as the action plan for the prevention and control of soil pollution in the current and future period. On May 28th, the “mineral environment restoration technology applied to the capital operation modeâ€
Read moreIs an oxide of vanadium pentoxide, and more alkaline than acidic, soluble in alkali to generate vanadate, dissolved in a strong acid or a vanadyl ion, VO VO3 +. Orange or brick red solid. Odorless, odorless, and toxic. Slightly soluble in water to form a light yellow acidic solution. Vanadium pento
Read moreVanadium from vanadium and titanium magnet magmatic ore, concentrate vanadium and titanium vanadium extraction fire smelting method and a wet method using two kinds. The fire method is to indirectly extract vanadium from vanadium-titanium concentrate or vanadium slag, and the wet method directly ex
Read moreKunming Yunnei Power Co., Ltd. (hereinafter referred to as “Yunnet Powerâ€) is a 2018 partner meeting with the theme of “convergence of brand strength and “gold medal†power†held in Chongqing. The major domestic automakers and industry experts attended the
Read moreOn December 7, the joint venture signing ceremony of Hudong Weishi Valve (Shanghai) Co., Ltd., which was established by Hudong Valve, Norwegian Visa and China Merchants Haitong, was held at Donghua Building. The three parties will integrate their respective technologies, manufacturing, management, m
Read moreThe beneficiation method of molybdenum ore is mainly flotation, and the recovered molybdenum mineral is molybdenite. Sometimes in order to improve the quality of molybdenum concentrate, remove impurities, and then carry out chemical beneficiation of molybdenum concentrate. The molybdenite crystal
Read moreAccording to the new GB7258 "Technical Conditions for the Safe Operation of Motor Vehicles", all semi-trailer brakes should be equipped with an automatic adjustment device for the braking gap since January 1, 2018. The old drivers have introduced new policies and regulations. Accord
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