Self-grinding mills are characterized by simplified crushing processes, investment savings (both infrastructure and equipment investments), and faster construction. In addition, the self-grinding production cost is also low, so the self-grinding technology has been widely used abroad. The advantag

Multi ocean manganese nodules metal iron-based amorphous or microcrystalline composite oxide ores, mainly iron-rich δ-MnO 2 (also known as ferrous vernadite) and non-crystalline FeOOH · xH 2 O. The average grades of nickel , cobalt , copper and manganese in nodules are 1.30%, 0.22%, 1.00%, 25

Technical Transformation of Working Liquid and Cooling Water of Power Plant Vacuum Pump Core Tips: Technical transformation of power plant vacuum pump working fluid and cooling water Yang Shunfeng, Li Bin 2, Yang Yong 3 (1. Jiangsu Xu Mine Comprehensive Utilization Power Generation Co., Ltd., Xuz

Revo FR480E excavator, as one representative of Loeb Heavy Industries' large-tonnage excavator, is another fruit of Lovol Heavy Industry's global R&D system. The Revo FR480E excavator is based on the Revo Engineering Machinery Japan R&D Center, which is led by a Japanese expert as a

The metal tube floater flowmeter is the most common type of flowmeter in industrial production. It is a kind of flowmeter suitable for small-diameter and low-velocity medium flow measurement within DN200. It has reliable operation, low maintenance and long service life. It does not require high str

According to a Reuters report on May 19, the German automaker BMW Group said it has invested a total of 1 billion euros (about 7.7 billion yuan) in two Chinese factories over the past three years to upgrade the production line. Once the upgrade plan is completed, BMW's annual production in Chin

Jiangxi Copper Industry Company under the mountain of silver lead zinc mine tailings can be produced every year about 500 000 t, second only to the content of the tailings sericite quartz, which lead-zinc tailings, sulfur, copper tailings, tailings pond in The content is 33%, 34% and 29%, respectiv

There are two types of mine drainage: self-flow drainage and lift-up drainage. The flat-flow self-flowing drainage is economical and reliable, and the water drains the water to the ground. The section of the ditch is inverted trapezoid, the effective area depends on the flow of water, generally 0.

With the disclosure of the company's annual report on lithium batteries and related industry chains in 2016, the results of the companies have been outstanding last year. China is already the world's largest consumer of new energy vehicles. In the future, will lithium battery technology pre

Recently, Siemens announced that it has combined its expertise in the acquisition of Dresser-Rand and Rolls-Royce's business unit to introduce the latest gas turbine in its gas turbine portfolio, the SGT-A35 RB aero-engineering gas turbine. According to Siemens, the aero-derivative gas turbine

[Chinese instrument network meter patent] creative limit, instrumentation invention. Today we introduced a national patent for invention, a kind of antifreeze and antifreeze smart water meter. The patent was applied by Jiangsu Guoneng Instrument Technology Co., Ltd., and it was authorized to be anno

The buoy level gauge consists of five parts: buoy, connecting wire, guide pulley, weight pointer, and display scale. It is suitable for low-cost liquid level measurement of flat bottom cone cover and dome container for tanks, tanks, oil fields, oil depots, etc. stored in corrosive m