China's mercury mine mining examples

Mercury has surface and underground mining in two ways. China is mainly underground mining. At present, it is mainly used to mine shallow deposits, and there are many projects that are jointly developed by Pingshuo, inclined wells and blind and inclined wells. The use of formal shaft of the mine, o

Nickel environmental protection

For nickel ore, strengthening comprehensive recycling and improving the utilization of “three wastes” are important measures to reduce environmental pollution and protect the environment. With the main source of nickel - Jinchuan copper-nickel mine, for example. According to incomplete

Development Trends of Various Food Dryers in China

Dry food is a necessary measure to improve food storage and shelf life. The performance of the dryer directly affects the quality and value of dried food. In recent years, China has developed a variety of multi-functional, high-efficiency, low-energy, and adaptable dryers. Vegetable drying equipme

Design of Resistance Grain Moisture Analyzer

The traditional direct moisture measurement method has a long period, and it is difficult to meet the requirements of modern production for speed and continuity. The non-electricity electricity measurement method is a more efficient moisture measurement method than the direct method, and i