Hello world!
Mine dust damage and preventive measures
In the process of mine production, a large amount of fine dust containing free silica is generated, and the miners inhale these dusts to cause lung disease and get lung cancer. The factors that cause silicosis in the mine are: 1 Dust weight concentration (mg/m3); 2 dust dispersion, less than 5μ ....
Hello world!
How to prevent coal from spontaneous combustion?
Spontaneous coal must have three conditions: the spontaneous combustion tendency of coal itself; continuously supplying a suitable amount of air; and poor heat dissipation, heat can be produced by oxidation of coal accumulation. Coal itself has a tendency to spontaneous combustion, that is, it has ....
Hello world!
Cable fever analysis
Cable fever analysis When the power cable passes certain load current, it will heat up. With the increase of load current, the temperature of the cable surface will be higher. If it is not handled in time, the consequences can be imagined. Such as: polyvinyl chloride (PVC) cable is based on the c ....
Hello world!
Coal preparation and coal
1 power plant is the largest user of coal China's power plants are mainly coal-fired power plants, and about 80% of the power generation comes from thermal power. According to the development plan of China's power industry, at least in the first 20 years of the 21st century, it will mainta ....