Machine sand cleaning and recycling

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Machine sand cleaning and recycling

Machine sand cleaning and recycling, use fine sand recovery machine or integrated sand cleaning and recycling machine?

A friend recently inquired about the two equipments of sand washing and recycling machine and fine sand recycling machine. They are often used in the cleaning and recycling stage of machine sand. It sounds like a little type when you listen to it, but you can see that the two are closer. difference.

The sand washing and recycling machine is composed of a separator, a dewatering screen, an impeller separator, a reducer, a slag paddle pump, a cleaning box, a sand dredger and other components. It has the dual functions of a sand washing machine and a recycling machine.

The fine sand recovery machine is mainly composed of a washing tank, a mortar pump, a motor, a cyclone, a linear vibrating screen, and a return box. When used in a sand and gravel plant, the main role is to wash sand and separate the sand, so it is also called fine sand dewatering machine, sediment separator, and sediment extractor. When used in a ore dressing plant, the main role is tailings recovery, so it is also called tailing. Mine recycling machine.

The sand and water mixture of the sand washing and recycling machine enters the washing box, is separated by the impeller separator, and then enters the lower dewatering screen for dewatering treatment. Wastewater from the cleaning tank (containing a large amount of fine sand, mud paddles, dust and other impurities) is transported to the separator by a slag paddle pump, and then the fine sand concentrated by centrifugation and classification is discharged into the upper layer of the dewatering screen through the sand settling nozzle. Wastewater, mud, dust, impurities, etc. in the cleaning tank are discharged into the high-level return water tank through the overflow of the separator, and then discharged into the upper layer of coarse sand and the lower layer of fine sand, or mixed with coarse and fine sand.

When the fine sand recovery system is in operation, the mortar pump and cement mixture are sent to the cyclone, which is centrifuged and classified by the cyclone. The concentrated fine sand is supplied to the vibration dewatering screen through the discharge box, and dewatered by the vibration dewatering screen. The fine sand is output before the screen. A small amount of fine sand is returned from the return box to the washing tank. When the liquid level of the washing tank is too high, it is discharged through the overflow pipe. The fineness modulus can be adjusted by changing the speed of the centrifugal pump, changing the concentration of the mortar, adjusting the amount of overflow water, and replacing the sand nozzle to complete the three functions of cleaning, dehydration and classification.

In the sand and gravel production line, the fine sand recovery machine is mainly used after the sand washing machine (used 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% when the loss is serious) At the same time as improving economic benefits, it reduces the cost of tailings disposal and the pollution and damage caused by the loss of fine sand to the environment.

The sand washing and recycling machine does not need to be equipped with a sand washing machine. It has its own sand washing equipment, and can be equipped with a two-wheel or single-wheel sand washing machine as required.

In short, the sand washing and recycling machine is mainly divided into sand washing parts and fine sand recycling parts. There are two major components: impeller sand washing machine + fine sand recycling machine (general fine sand recycling machine or dewatering type fine sand recycling machine, (Multi-layer dewatering screens can also be configured according to the sand production requirements), which is easier to understand. Now you should distinguish between these two types of equipment. If you have any other questions, please leave a message to tell the editor.

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