High-pressure milling machine is the first choice for domestic enterprises, and it is an innovative business opportunity for processing industry

At present, large-scale mills that are used in China are vertical mills. Such mills can realize precise grinding and produce a large amount of products. They are the first choice for large-scale submerged operations at home and abroad.

Coal is China's most important energy component. It is much higher than oil, natural gas, hydropower, and nuclear power. The overpressure trapezoidal milling machine produced by Liming Heavy Industry and the updated version of the European version of the overpressure trapezoidal milling machine have basically replaced the traditional ball mill. With the advent of Dawn Heavy Industry's large vertical mills, it also brought new business opportunities to the coal grinding industry and other areas with a large demand.

The vertical mill itself has strict requirements on the material requirements and operating environment, and is not suitable for the use of small and medium-sized enterprises. Raising the fuel quality and the degree of combustion of thermal power plants is not only a need to increase the economic efficiency of thermal power plants, but also a need to reduce pollutant emissions from thermal power plants and protect the ecological environment. From the grinding form of the grinding roller ring to the design of the supercharging system, it all embodies a higher level technology concept. This is mainly determined by China's primary energy structure. Coal-rich, oil-short, and low-gas are the characteristics of China's resources.

High-pressure roller mill, according to the first generation of high-pressure mill products improved from Raymond Mill, the increased high-pressure springs improve the grinding fineness and enhance the grinding under the condition of ensuring the stability of equipment operation. s efficiency. Therefore, the use of appropriate Liming Heavy Industry mill equipment to deal with the burning of coal mining equipment, not only can greatly improve the coal utilization rate but also has great advantages in many aspects such as energy saving, environmental protection, economic benefits and so on. The ladder mill is also based on the improved working principle of Raymond Mill. However, in the course of R&D, the use performance of the over-high pressure suspending mill was learned.

Electrowinning Gold

The equipment is new complete equipment used in gold trade to recover gold from the gold-carrying carbon. It is suitable for desorption and electrolysis of gold-carrying carbon with different grades. The desorption is an intermixture of 1~2% sodium cyanide and 1~4% sodium hydroxide. The desorption solution is pumped to the heater by circulating pump and heated to the desired temperature. Then the solution flows downward to the bottom of desorption column, through the gold-carrying carbon in the column and upward to the top of it. During flowing, the solution strip gold from the carbon (at this stage the solution containing gold is called as pregnant solution). The pregnant solution runs out from the top of the column and into the electrolytic cell. In cell, the gold in the solution is electrically deposited in the steel wool of the cathode frame, and the rest (called as lean solution) flows back to desorption solution cell and recycled.

The gold mud containing rich gold and silver is taken out of desorption cell and transported to the separation section.

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Changchun Gold Research Institute Co.LTD , https://www.changchungoldresearch.com