Novel tunnel smoke and dust removal system device

Abstract

The invention discloses a novel tunnel smoke and dust removal system device. The novel tunnel smoke and dust removal system device comprises a blowing-in mechanism, an air draft mechanism, a dust removal mechanism and an after-damp diffusion preventing mechanism. The dust removal mechanism comprises at least one automatic spraying device, and the automatic spraying device is arranged at a tunnel face. The after-damp diffusion preventing mechanism is located at a tunnel mouth and includes an isolation device. According to the novel tunnel smoke and dust removal system device, the design is reasonable, on-site equipment can be fully used, the blowing-in mechanism is matched with the air draft mechanism, the circulation of air in the tunnel is facilitated, exhaust gas can be discharged outwards in time, fresh air can enter into the tunnel, and the air quality in the tunnel is maintained; and the automatic spraying device is additionally arranged, the after-damp produced after blasting isprevented from diffusing into the air outside the tunnel, the after-damp and harmful gas particles are adsorbed and combined, and then settle to the ground, so that the dust removal rate is further improved.

Description

technical field [0001] The invention relates to the technical field of tunnel construction, in particular to a novel tunnel smoke exhaust and dust removal system device. Background technique [0002] During tunnel construction, the control of gun smoke and exhaust gas is particularly important, which will directly affect the overall construction process of the tunnel. For the control of the concentration of gun smoke, the current methods of dust reduction in tunnels mainly adopt the ventilation method of pressing in, and some of them use dust suppression vehicles or fog cannons to reduce dust. The disadvantage of these methods is that it is difficult to control the flow of gun smoke, and it is easy to spread in the tunnel, which affects the working environment and seriously affects the health of workers, and it is difficult to achieve the desired effect. At present, most domestic tunnels use fans to press-in the tunnel to reduce dust. After the tunnel is excavated, the air ...

AI Technical Summary

Problems solved by technology

Although the above tunnel ventilation and dust reduction methods are very practical, they all have shortcomings to varying degrees, which are mainly reflected in the following: during the smoke exhaust process, the smoke is discharged along the entire tunnel to the tunnel entrance, causing secondary pollution of the entire tunnel smoke exhaust; ventilation and dust reduction only It can guarantee unilateral air quality; if it is not operated in time, it will easily cause environmental pollution in the cave

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