Dust fall device for open pit coal mine

Abstract

The invention discloses a dust fall device for an open pit coal mine. The dust fall device for the open pit coal mine comprises a base, a telescopic assembly, a pipeline and an air draft assembly, wherein a supporting cylinder is arranged on the base, and a connecting cylinder is arranged between the supporting cylinder and a movable cylinder and used for connecting the supporting cylinder and the movable cylinder, the movable cylinder can move between a first position and a second position in the length direction of the movable cylinder, the connecting cylinder comprises an upper cylinder section and a lower cylinder section, the upper cylinder section and the lower cylinder section are connected in a pivoted mode, a first through hole is formed in the peripheral face of the supporting cylinder, a second through hole is formed in the peripheral face of the movable cylinder, the pipeline is arranged in the telescopic assembly, a spray head assembly is connected with the movable cylinder in a pivoted mode, the spray head assembly communicates with the liquid outlet end of the pipeline, and the air draft assembly is arranged above the movable cylinder. According to the dust fall device, dust fall operation can be carried out in multiple directions, the spraying angle is adjusted through the spraying head assembly, and the dust falling effect of the dust fall device is improved.

Description

technical field [0001] The invention relates to the field of coal mine dust suppression equipment, in particular to a dust suppression device for open pit coal mines. Background technique [0002] Coal mines are areas where human beings mine coal resources in coal-rich mining areas. They are generally divided into underground coal mines and open-pit coal mines. When mining in coal mines, a large amount of dust will be generated. The dust contains many substances that are harmful to human health. Workers breathe Inhalation of harmful substances such as dust into the human body has seriously affected the health of workers. [0003] In the related technology, the volume of the dust suppression equipment is fixed, and the dust suppression effect of the smaller dust suppression equipment is poor, and the larger equipment occupies a large area and is not easy to transport. The speed is slow, so that the time for dust reduction is increased, resulting in low dust reduction efficie...

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Problems solved by technology

[0003] In related technologies, the volume of the dust suppression equipment is fixed, and the dust suppression effect of the smaller dust suppression equipment is poor, while the larger equipment occupies a large area and is not easy to transport. The speed is slow, so that the time of dust reduction will increase, resulting in low dust reduction efficiency, and it is difficult to adjust the angle of the nozzle, which will affect the use effect of dust reduction equipment.

In addition, most of the dust suppression equipment is directly used for dust suppression through water, and cannot be used in spaces where water cannot be used, which is inconvenient to use and has a single function

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