Should the 01 fine sand recycling machine be used in conjunction with a sand washing machine?

Answer: In the sand and gravel production line, the fine sand recovery machine is mainly used after the sand washing machine (used in conjunction with the sand washing machine) to recover a large amount of fine sand lost by the sand washing machine in the traditional sand making industry (up to 20% or more in severe cases), improving economic benefits while reducing the cost of tailings processing and the pollution and damage caused by the loss of fine sand to the environment.

What are the structural components of the 02 fine sand recycling machine? What is the main function?

Answer: The fine sand recycling machine mainly consists of a washing tank, mortar pump, motor, cyclone, vibrating screen, return bin, etc. When used in sand and gravel factories, its main function is to wash sand and separate sediment, so it is also called a fine sand dewatering machine, sediment separator, or sediment extraction machine; When used in a beneficiation plant, its main function is tailings recovery, so it is also called a tailings recovery machine.

What is the difference between the 03 dehydration type fine sand recovery machine and a regular fine sand recovery machine?

Answer: The dehydration type fine sand recycling machine has both dehydration and recovery functions. It performs secondary cleaning and dehydration operations on the finished sand washed out by the sand washing machine, and fine sand recycling operations on the wastewater discharged from the sand washing machine.

Dehydration operation area: composed of vibration motor and dehydration screen; The finished sand from the sand washing machine is directly fed into the dewatering screen for secondary cleaning, grading, and dewatering.

Recycling operation area: composed of vacuum high-pressure pump, motor, separator, return water tank, and cleaning box; The wastewater (also known as mud or sand water mixture) discharged from the sand washing machine enters the cleaning tank and is transported to the separator by a vacuum high-pressure pump for sediment separation and extraction of fine sand. The fine sand is then sent to the dewatering screen through the sand settling nozzle for dehydration, while other impurities are discharged from the return water tank through the overflow port of the separator.

What are the main differences between the 04 fine sand recycling machine and the sand washing and recycling integrated machine?

Answer: Simply put, the sand washing and recycling machine is divided into two parts: the sand washing part and the fine sand recovery part. The two main components are the impeller sand washing machine and the fine sand recovery machine (a general fine sand recovery machine or a dewatering type fine sand recovery machine, which can also be equipped with multiple dewatering screens according to sand production requirements), making it easy to distinguish.

What is the reason for the sudden decrease in recycling volume during use?

Answer: If there is a significant decrease in the amount of fine sand recovered or a small amount of sand leakage, check if the screen mesh is damaged or if the bolts fixing the screen mesh are loose. In the face of this situation, its solution is to replace the screen or tighten the bolts. When the screen wear is too severe, it can lead to the occurrence of mesh breakage, resulting in a decrease in recycling efficiency. Therefore, it is necessary to regularly inspect the screen and replace it in a timely manner after wear.

What other methods can prevent the loss of fine sand besides using a fine sand recycling machine?

Answer: Fine sand recovery can also be achieved by using multi-stage sedimentation tanks, equipped with dewatering screens, adding chemical agents, and configuring integrated sand washing and recovery machines. When configuring the sand washing and recycling integrated machine, there is no need to add a separate sand washing machine.

What should I do if the frame of the fine sand recycling machine vibrates and makes noise after using it for a period of time?

Answer: Rack vibration may be caused by loose bolts on the connecting frame or loose bolts on the bearing seat. The troubleshooting method is to tighten the bolts and conduct a careful inspection. The occurrence of noise may be caused by changes in gear spacing due to gears. Generally, sufficient lubricating grease should be added, and the foundation bolts of the reducer should be adjusted and tightened. In addition, bearing damage and screen slide breakage can also generate noise, in which case the bearing or screen slide needs to be replaced.

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