Quartz powder is also called silica powder. As a type of basic industrial raw material, high-quality quartz powder has wide application in glass, glass fiber, ceramics and refractory, metallurgy, construction, chemistry, casting, grinding material, electron and optical fiber industry.
It is a difficult process to process the quartz to high-quality quartz powder and the main equipment for grinding quartz in domestic market is vertical roller mill and rod mill. When Raymond mill is used, the output is about 1th, and the efficiency is low, the energy consumption is high and the production granularity cannot be easily controlled. In addition, the wear-resistant material that Raymond mill uses is high manganese steel which has weak magnetism, so that the mechanical iron cannot be easily removed. When using rod mill, the production indexes are no better than that of Raymond mill. With the increase of powder fineness, the iron content will also increase. How to greatly improve the grinding production capacity of quartz powder and reduce the iron content in it at the same time becomes a technical problem that must solved for the large scale production of quartz powders.
Vertical mill is a highly efficient and energy-saving machine with the functions of both drying and grinding researched and developed on the basis of widely absorbing foreign advanced technologies and combining with the application experience of vertical grinding mill in domestic and foreign market. It is integrated with tertiary crushing, drying, powder grinding, powder separation and conveying and has the advantages of high powder grinding efficiency, low energy consumption, big drying ability, easy control of the product fineness and simple production process. In addition, the output is 10-12th, the mechanical iron containing in the final products is easy to be removed and the iron content and the main technical and economic indexes can meet the customers demands. Business > Business ManagementIsaac Mildemberg | Isaac Mildemberg: Get Valuable Business for Business Related Problems from Isaac Mildemberg
Posted by joseeliyo1232 in Business on March 6th, 2017
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TURIN， Italy， Nov. 28 (Xinhua) -- A Chinese movie won the 34th edition of the Turin Film Festival for an annual award here.
According to local media on Monday， the jury awarded "Best Movie" and "Best Screenplay" to The Donor by Qiwu Zang (China， 2016).
This year the competition presented 15 films from Argentina， Austria， Belgium， Cambodia， Canada， Chile， China， France， Germany， Italy， Mexico， Serbia， Britain and the United States. The main competitive section of the festival， running from Nov. 18 to 26， was reserved for directors' first， second or third films.
According to the jury， The Donor won for best movie because it was a film "so beautifully observed in such rigorous poetic means -- in storytelling， direction， performance and understanding in the world we try and live in."
"We think we have found a new voice in Chinese cinema that we will all be enriched by，" the jury wrote.
The jury was chaired by cinematographer Ed Lachman United States and was comprised of Canadian author and director Don McKellar， General Manager of German Films Service Mariette Rissenbeek， Romanian director Adrian Sitaru， and Israeli actress Hadas Yaron.
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