Gypsum is a widely used mineral in the construction industry, particularly in the production of gypsum boards, plaster, and other building materials. One of the key processes involved in the production of these materials is the grinding of gypsum into a fine powder. In this article, we will explore the process of gypsum powder production grinding machine, including the equipment involved and the steps involved in the process.
Equipment Used in Gypsum Powder Production Grinding Machine
The grinding machine used in gypsum powder production is called a gypsum grinding mill. This grinding mill can process gypsum into different sizes, ranging from coarse powder to ultrafine powder. The different types of gypsum grinding mills available include ball mill, hammer mill, Raymond mill, vertical mill, trapezium mill, and ultrafine mill.
The ball mill is a traditional grinding mill that is widely used in the industry. It is suitable for grinding materials with Mohs hardness below 9.3 and moisture content below 6%. The hammer mill is another traditional grinding mill that is commonly used in the industry. It is suitable for grinding materials with a maximum particle size of 50mm and moisture content below 15%.
The Raymond mill is a new type of grinding mill that is widely used in the industry. It is suitable for grinding materials with Mohs hardness below 9.3 and moisture content below 6%. The vertical mill is a new type of grinding mill that is widely used in the industry. It is suitable for grinding materials with a maximum particle size of 30mm and moisture content below 10%.
The trapezium mill is another new type of grinding mill that is widely used in the industry. It is suitable for grinding materials with a maximum particle size of 35mm and moisture content below 6%. The ultrafine mill is a new type of grinding mill that is commonly used in the industry. It is suitable for grinding materials with a maximum particle size of 20mm and moisture content below 6%.
Steps Involved in Gypsum Powder Production Grinding Machine
The process of grinding gypsum into a fine powder involves several steps. These steps are:
Step 1: Crushing
The first step in the process is to crush the raw gypsum into small particles. This is typically done using a jaw crusher or a hammer mill.
Step 2: Grinding
Once the gypsum has been crushed, it is then ground into a fine powder using the grinding machine. The type of grinding machine used will depend on the specific requirements of the end product.
Step 3: Calcination
The ground gypsum powder is then sent to a calcination kettle where it is heated to a temperature of around 160 degrees Celsius. This process helps to remove any remaining water from the gypsum and also changes its chemical composition.
Step 4: Grinding Again
Once the gypsum has been calcined, it is then ground again into a fine powder using the same grinding machine used in step 2. This step is crucial as it ensures that the final product has the desired particle size and consistency.
Step 5: Packaging
The final step in the process is to package the gypsum powder into bags or containers. The packaging must be airtight to ensure that the gypsum powder remains dry and free from moisture.
Gypsum powder production grinding machine is an important process in the production of gypsum-based building materials. The equipment used in this process includes various types of grinding mills, each of which is suitable for different requirements. The steps involved in the process include crushing, grinding, calcination, grinding again, and packaging. By following these steps, it is possible to produce high-quality gypsum powder that meets the specific requirements of the end product.