How does the common light burning powder come into being?

How does light burning powder come into being

The main uses of light magnesium oxide are used in the production of rubber products and neoprene adhesives. In the manufacture of rubber products, light burnt powder plays the role of acid absorbent and accelerator, while in the production of chloroprene adhesives, magnesium oxide plays the role of vulcanization cross-linking, anti-coke agent and resin chelating.

Magnesium oxide is also used in the manufacture of ceramics and enamels. It plays a role in reducing sintering temperature and is used as filler in the manufacture of grinding wheels and paints. In addition, it is also used in medicine, food processing, agriculture, electronic industry, insulation material industry and so on.

The calcination of magnesite at 750 to 1100 high temperatures is called "light burning". The products obtained are called light burning magnesia powder, which is abbreviated as light burning powder. The main uses of light burning powder are as building materials for insulation and sound insulation, as well as for making cementitious materials. It can also be used as raw materials for making ceramics.

Because the tank body of the biogas tank of light-burning powder has long-term contact with water, the requirement of water resistance of the product is special, and it also needs good stability.Using high content of light-burning magnesia powder, for example, 88% content of light-burning magnesia powder.Selecting the ore with special low amount of caustic soda in the selection of ore can control the amount of caustic soda of the finished product.In addition, controlling caustic soda can improve the product. Water resistance.

The light burning powder used in the biogas tank must have 4-7 hours of solidification time. The biogas tank has strict requirements on the solidification speed of light burning magnesia powder. If it is too fast, the stability is poor. If it is too slow, the tank will easily deform.

88% light-burned magnesia powder, that is, sub-90% light-burned magnesia powder, has good water resistance. And Zheng 90 powder is afraid of burning products too ripe, that is, overburning is not good.

The quality and composition of light burning powder used in magnesite industry today are not only different from different manufacturers, but also different batches of the same manufacturer or even the same batch of products. The quality of magnesium oxychloride products produced by the same manufacturer is very unstable, especially if the content of light burning powder is not continuously detected, the excess or insufficiency of coagulation coordinator MgCI2 will certainly result. It will inevitably lead to brine return and frost spread of magnesium oxychloride products. Therefore, the quality stability of light burning powder is the key to affect the quality of magnesium oxychloride products, and also the bottleneck of the development of magnesite industry.

Pre-homogenization of light-burning powder is an important means to stabilize the composition and quality of light-burning powder.