Sand screening device for bridge construction

Abstract

The invention discloses a sand screening device for bridge construction, and relates to the technical field of construction machinery. The sand screening device comprises a screening box, wherein a horizontal frame is arranged in the screening box, a conveying belt is rotationally arranged on the horizontal frame, a drying mechanism which vertically corresponds to the conveying belt is fixed at the inner top of the screening box, a servo motor II is fixedly arranged outside the screening box, and an excitation mechanism which is in transmission connection with a sieve plate is connected with the servo motor II in a driven mode. According to the sand screening device, before sand is screened, a sand fetching tank is driven by the conveying belt to repeatedly turn over the sand, so that the sand is more dispersed; meanwhile, an air injection disc in the drying mechanism is used for carrying out hot air drying on the sand dispersed on the conveying belt, so that the volatilization of water is promoted, the fluidity and the dispersion degree of the sand are higher, the screening efficiency is obviously improved, the excitation mechanism can achieve the up-and-down vibration effect of the sieve plate, it is guaranteed that the fine sand can be accelerated to pass through the sieve plate, and sand screening is more sufficient.

Description

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AI Technical Summary

Benefits of technology

This technology improves the quality control for fine-grained materials like silica gel powder during manufacture processes. It allows for better distribution over multiple layers of material before it reaches its final destination or use after being shipped out from production facilities. By repeating turning the sand back many times while heating it at high temperatures, this process helps evaporating any remaining moisture content without damaging them. Additionally, there'll be an improvement in the separation performance when driving the sand towards another direction called perpendicularly (up/down). Overall, these technical improvements help improve the overall productivity and purification capabilities of the resulting products.

Problems solved by technology

This patented describes an apparatus for efficiently separating out small particles from larger solid materials such as gravels during construction projects. However, this problem has been solved by providing a special type of equipment with screens made up of inclined bars arranged perpendicular to each other along its length. These screens help prevent blockages caused by these smaller solids while still allowing them through properly.

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