VSI impact sand making machine manual crushing and sand selection equipment

A Vertical Shaft Impact (VSI) sand making machine is a type of equipment used for manufacturing artificial sand. It operates on the principle of impact crushing, where the rock is passed through a high-speed rotor with vanes or hammers that crush the material into smaller particles. The VSI machine is highly effective in producing a uniform particle size and is widely used in the construction industry for making high-quality sand.

The manual crushing and sand selection process using a VSI impact sand making machine typically involves the following steps:

1. **Feeding:** The raw material, such as diabase or other hard rock, is feed into the VSI machine. It is important to feed the material in a controlled manner to ensure even distribution and to prevent overloading.

2. **Crushing:** As the material enters the machine, it is drawn towards the center and impacts against the rotating rotor. The rotor throws the material against the fixed liners on the inner wall of the machine, causing it to break into smaller pieces. The speed of the rotor and the angle of the impact plates determine the particle size of the final product.

3. **Sand Selection:** After the initial impact, the material is passed through a screen or a series of screens to separate the sand from the larger particles. The screen mesh size determines the particle size of the sand. The fine sand passes through the mesh, while the larger particles are either recirculated back into the machine for further crushing or removed as waste.

4. **Discharge:** The crushed and selected sand is then discharged from the machine and collected for further use or sale.

To ensure the efficient operation of the VSI impact sand making machine and to achieve the desired particle size, it is important to follow the manufacturer's recommendations for operation and maintenance. This includes:

- Regular inspection and replacement of wear parts such as hammers, anvils, and screens.

- Proper adjustment of the rotor speed and the angle of the impact plates to optimize particle size.

- Monitoring the feed rate and the amount of water added, if necessary, to control dust and reduce the wear on the machine.

- Regular cleaning and maintenance to ensure the machine is free from debris and operating at peak efficiency.

The manual crushing and sand selection process using a VSI impact sand making machine requires skilled operators who can monitor and adjust the machine's settings to produce the highest quality sand possible. Proper training and adherence to safety protocols are also essential to prevent accidents and ensure the safety of the workforce.