Fine sand roller screening machine and control system thereof

Abstract

The invention discloses a fine sand drum screening machine and a control system thereof. The fine sand drum screening machine comprises a screening mechanism, a drying mechanism and an anti-blocking mechanism which are arranged in a machine shell. The drying mechanism is used for heating and drying gravel screened in the screening mechanism. The anti-blocking mechanism prevents the gravel from adhering to the screening mechanism. The screening mechanism comprises a polygonal drum screen and a first driving device for driving the polygonal drum screen to rotate in the machine shell. The polygonal drum screen comprises a polygonal supporting frame and a plurality of window type meshes detachably connected with the polygonal supporting frame. According to the fine sand drum screening machine and the control system thereof, a traditional round drum screen is changed into an eight-corner or twelve-corner drum screen, and the problem that a screen is blocked by sand is solved; the whole screen is of a sheet-shaped window type structure and is convenient to replace and maintain; the control system controls the device to operate and monitors the temperature and humidity conditions of sand screened in the drum screen so as to conduct temperature-adjusted drying on the sand; and the anti-blocking mechanism further prevent the screen from being blocked, and the screening quality of the sand is effectively guaranteed.

Description

technical field [0001] The invention belongs to the technical field of drum screening machines, in particular to a fine sand drum screening machine and a control system thereof. Background technique [0002] At present, the traditional trommel screens on the market can only be used for the screening of coarse sand, and are useless for the screening of fine sand, especially for the screening of large-capacity fine sand. When rotating, the sand clings to the screen under the action of centrifugal force, which is very easy to block the screen, and the screening efficiency is low. At the same time, the screen and the screen frame are mostly a fixed structure, which makes it inconvenient to replace when damaged later. , and the drum screening machine in the prior art is not equipped with a device that can identify the situation of sand and gravel, which is not convenient for improving the screening quality of sand and gravel. Contents of the invention [0003] Purpose of the i...

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Problems solved by technology

[0002] At present, the traditional trommel screens on the market can only be used for the screening of coarse sand, and are useless for the screening of fine sand, especially for the screening of large-capacity fine sand. When rotating, the sand clings to the screen under the action of centrifugal force, which is very easy to block the screen, and the screening efficiency is low. At the same time, the screen and the screen frame are mostly a fixed structure, which makes it inconvenient to replace when damaged later. , and the drum screening machine in the prior art is not equipped with a device that can identify the condition of sand and gravel, which is not convenient to improve the screening quality of sand and gravel

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