2022-11-19
2023-05-08Scales graphite is a natural graphite. It is usually a thin piece or scale form. It has a strong adaptability to high temperature and has a strong heat shock resistance. The scale of the scale is added to the production of many products, which enhances the product's ability to work at high temperature. Today, the editor will explain the adaptability of the scale graphite to temperature:Scales graphite has very good high temperature resistance and is one of the high -temperature resistance materials. When higher than 2000 degrees, the general material will appear in a melting state, or it has become a gas, and even some difficult melting metals will lose strength at about 2500 degrees. 3600 degrees, but the scale graphite will not melt at this temperature. The melting point is 3850 degrees.If several high -temperature -resistant materials are placed at 7000 degrees of ultra -high temperature arc for 10 seconds, the losses of scales graphite are extremely small. According to the weight
2023-05-08Scale graphite has strong heat resistance and good corrosion resistance. It is the main carbon raw material used by carbon -resistant refractory materials, but it will have an oxidation reaction with oxygen at high temperature at high temperature. The following editor introduces the factors that affect the oxidation of scales. The specifics are as follows:1. Carbon oxidation responseHeating graphite in the air, carbon can be directly oxidized by O2 to CO and CO2. When carbon oxidation, CO and CO2 hybrid gases are generated. At low temperatures, it is mainly to balance CO2 and solid graphite. Solid graphite balance. At more than 1000 ° C, almost all of the mixed gas is CO. The oxidation response speed of graphite decreases with the total pressure of the system, but it increases with the rise of temperature.2. The effect of granularity on oxidation temperatureWith the increase of granularity, the temperature of the graphite's significant oxidation starts and the temperature of the oxida
2023-05-09Floating method is a type of energy consumption and reagent consumption in traditional mineral purification methods. This is the advantage of the floating method to purify graphite. However, the use of floating selection and purifying graphite can only achieve limited graphite taste. For scales graphite, multi -level grinding not only can not completely dissolve the monomer, but it is not conducive to protecting large huge graphite. Therefore It is not economical and unscientific. To obtain high carbon graphite with a carbon content of more than 99%, graphite must be purified by chemical methods.(1) Alkaline purification method. The carbon content purified by alkalinic acid method can reach more than 99%, which has the characteristics of less one -time investment, high product quality, and strong process adaptability. It also has the advantages of conventional equipment and strong versatility.(2) hydrogen fluoric acid method. The main advantage of the hydrofluoric acid method is that
2023-05-09Scale graphite has many functions. Today, the editor focuses on the lubrication effect of scales graphite. As a lubricant, scales graphite is mainly distributed in water, oil or other media to form stable colloidal substances. It can be directly applied to parts that need to be lubricated. Combined with lubricant.The use of scales graphite as a lubricant has the following effects: After using scales graphite powder lubricants in various mechanical operating components, it can reduce friction, fever, burns, etc., and extend the service life of the machine; reduce the loss of friction power and improve work efficiency; Save lubricating oil consumption, many of which can be reduced to about 60%; improve the surface quality of processing parts, and extend the service life of processing parts and appliances; reduce mechanical failures and noise during the operation, and save maintenance costs; add boilers, add boilers, add boilers, add boilers, add boilers, add boilers, add boilers, add bo
2023-05-08With the rapid development of the world industry, scales graphite has been regarded as one of the important industrial mineral raw materials at home and abroad. Especially in recent years, with the development of science and technology, the processing technology of scales graphite products has exerted important in all walks of life. effect. Similarly, the processing technology of graphite products is gradually mature. During the processing of scales graphite products, the exhaust gas discharged from the roasting stove contains asphalt caramel. healthy. These exhaust gas governance methods are mainly used at home and abroad, mainly using electrical capture, drying and incineration method. The following editors explain the method of explaining scales graphite exhaust gas treatment as follows:1. Electric catcher: Use high voltage electrostatic target to apply a high DC voltage between the precipitated electrodes to discharge the negative electrode, allow the flue gas to be separated, and
2023-05-05Graphite powder is a wear -resistant material, and its self -lubrication performance is its most important feature. Graphn powder has a good self -lubrication performance due to its special layer -shaped crystal structure. The following are the analysis of the reasons for the self -lubricating property of graphite powder:The carbon atoms in graphite lattles are arranged in hexagonal on different planes. The distance between the carbon atoms in the same plane layer is 1.42 meters, and the distance between the carbon atom of each plane layer is 3.35. They are staggered along the same direction, repeat the position of the first plane in the third plane, the fourth plane repeats the position of the second plane, and so on. In each plane layer, because the carbon atoms are relatively tight, the binding forces between them are relatively large, and the carbon atom between layers and layers is far from each other, which is easy to separate and relatively slide. This is the main reason why gr
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