Roller used for separating sand and stone

Abstract

The invention discloses a roller used for separating sand and stone. The roller comprises a cylinder body, wherein a rotating shaft is arranged in the center of the cylinder body in the axial direction, a supporting part is arranged on the rotating shaft and connected with the inner wall of the cylinder body, and a discharging device with the interior lower than the exterior is arranged at one end of the cylinder body. Spiral blades are arranged on the inner wall of the cylinder body, and the discharging device is located at the tail ends of the spiral blades and comprises two material guiding grooves which are connected with the ends of the spiral blades and an end sealing plate of the cylinder body and symmetrical about the center. The cylinder body is driven to rotate by the rotating shaft, the spiral blades on the inner wall of the cylinder body rotate along with the rotating shaft so that materials are driven to move to the discharging device, sand in the sand and stone mixed material falls off from holes of a screen of the roller, stone material moves to the high end of the cylinder body along the spiral blades and finally is guided out of the discharging device, the process for separating the sand and the stone is prolonged, wash water is reduced, the sand and stone separating utilization rate is improved, and environmental protection and energy conservation are achieved. In use, the roller is obliquely installed with the end of the discharging device high, the mixed material enters from the low end of the roller, and a driving device is connected to the end, close to the discharging device, of the rotating shaft.

Description

technical field [0001] The invention relates to a drum, in particular to a drum used for separating sand and gravel. Background technique [0002] With the increasing demand for ready-made concrete in the construction market, the production of ready-made concrete has become the main building material industry in cities. Compared with the concrete prepared on site, ready-made concrete is of uniform quality, easy to use and does not require builders to purchase additional mixing equipment. Concrete transport vehicles load concrete at the discharge port of the concrete mixing building and transport the concrete to various construction sites. The mixing equipment and concrete transport vehicles have certain discharge residues. In order to prevent the residual concrete from solidifying in the equipment and keep the equipment clean, Rinse with plenty of water. The water used for cleaning contains a large amount of insoluble matter such as cement, sand and gravel, which are raw ma...

AI Technical Summary

Problems solved by technology

The water used for cleaning contains a large amount of insoluble matter such as cement, sand and gravel, which are raw materials for construction. If it is discharged into the river without any treatment, it will cause serious pollution, and at the same time waste a large amount of tap water and concrete materials; if the remaining concrete materials after use are Discarding directly is not only a waste of resources, but also not conducive to environmental protection

The current sand and gravel separation and recovery equipment has the defects of incomplete separation and low recycling rate

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