1. What is the principle of the selection of the spiral concentrator ?
The spiral concentrator is made up of 4-6 turns of spiral chutes. It is surrounded by a rubber tire with a cast iron or grooves, groove ceramics p…
According to a report from Czech Republic Agency of Communications in Prague, the Czech HiLASE Laser Center recently announced that a research team at the center has discovered a method of using a laser to quickly and accurately establish a regular structure on a m…
In the coal mud flotation process, the factors affecting their buoyancy is extremely complex, both containing floating characteristic slime itself, and also that affect the flotation process a variety of process conditions. In order to obtain better technica…
Abstract This paper analyzes the relationship between fan coil unit, indoor heat and humidity ratio and fresh air. It is pointed out that the conventional design method is difficult to obtain satisfactory results in the actual design, and a fan coil plus fresh air system is proposed. Desi…
Recently, Qinghai has built the nation’s first air-based solar-thermal solar enthalpy drying system, which reduces the drying cost of thorium from about two yuan per catty to about five cents per kilos, and realizes a major change in thorium drying technology. …
Fluorocarbon ore is a rare earth fluorocarbonate mineral (RFCO3 or R:(CO3)3RF3). These mineral deposits are found in Zaire, Malagasy, Uganda, Burundi, and the United States. Table 1 lists the chemical compositions of several fluorocarbon ore. As a mineral raw material for extracting rare ea…