Multistage combined tunnel dust removal system and dust removal method thereof

Abstract

The invention discloses a multi-stage combined tunnel dust removal system and a dust removal method thereof. The dust removal system comprises a first-stage dust removal device, a second-stage dust removal device, a third-stage dust removal device, a sedimentation filter tank and a water storage device, the first-stage dust removal device comprises a first-stage dust removal outer barrel, an air inlet barrel and a rotary dust removal mechanism; an air inlet grid is arranged at an inlet of the air inlet barrel; the rotary dust removal mechanism comprises a first-stage dust removal inner barrel,a turbofan, a water mist spraying mechanism and a rotary power transmission mechanism; the second-stage dust removal device comprises a second-stage dust removal cylinder, a U-shaped pipe and a tubenest type condenser; the three-stage dust removal device comprises a three-stage dust removal cylinder, a corona electrode, a filter bag type dust remover and a rectification power supply, the filterbag type dust remover comprises a dust removal framework and a dust removal filter bag, a blowback pipe is arranged in the three-stage dust removal cylinder, and a plurality of pulse blowback valves are arranged on the blowback pipe. The dust removal system is novel and reasonable in design, convenient to implement, capable of efficiently removing dust generated in tunnel construction and reducingharm to human beings, high in practicability, good in using effect and convenient to popularize and use.

Description

technical field [0001] The invention belongs to the technical field of tunnel engineering, and in particular relates to a multi-stage combined tunnel dust removal system and a dust removal method thereof. Background technique [0002] my country has become the country with the largest number of tunnels and the total mileage of tunnels. However, a large amount of free silica dust will be generated in the construction of trackless transport drilling and blasting tunnels, especially in the four processes of drilling, blasting, shotcrete and ballasting. The dust concentration is higher. Long-term inhalation of dust can easily cause pneumoconiosis. Therefore, in order to protect the health of tunnel construction workers and reduce the occurrence of pneumoconiosis, developing tunnel construction dust control technology has become an urgent priority. [0003] Kang Zhuangsu and others published the paper "Analysis of Ventilation Spray Dust Removal System in Tunnel Construction" in ...

AI Technical Summary

Problems solved by technology

However, in the prior art, there is still a lack of dust removal systems and methods for tunnel construction with dust removal effects that meet actual needs.

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