Smoke elimination and dust settlement construction method for long and large tunnel and dust settlement station used in construction method

Abstract

The invention discloses a smoke elimination and dust settlement construction method for a long and large tunnel and a dust settlement station used in the construction method. The smoke elimination and dust settlement construction method comprises the following steps of: moving an excavation trolley away; starting the dust settlement station at the front end of the excavation trolley; blasting; ventilating; starting the dust settlement station in a hole formation section; inspecting smoke elimination and dust settlement effects in a hole; stopping the dust settlement station; and flushing a road surface in the hole of the tunnel. In the dust settlement station, spray pipes (7) are arranged on pipe supports (1); mist exhaust holes (6) are formed in the spray pipes (7); the spray pipes (7) are connected with high-pressure air pipes (2) and high-pressure water pipes (3); gate valves (4) are arranged on the high-pressure air pipes (2) and the high-pressure water pipe (3); and drain plugs (5) are arranged on the spray pipes (7). The method and the station have the obvious effects of improving dust settlement efficiency, improving a construction environment in the hole, saving construction cycle time, saving engineering construction cost and the like; and a smoke elimination and dust settlement system is easy to manufacture, is convenient to operate, has obvious integral advantages and solves the technical problems of smoke elimination and dust settlement of the long and large tunnel.

Description

technical field [0001] The invention relates to a construction method for eliminating smoke and reducing dust in a long tunnel and a used dust reducing station. Background technique [0002] In the process of tunnel construction, a large amount of harmful gas and dust produced by blasting excavation, ballasting transportation, sprayed concrete support, etc. not only directly endanger the physical and mental health of construction workers, but also affect labor efficiency and restrict construction progress. Therefore, solving the smoke and dust hazards in tunnels has become an important issue that cannot be ignored in tunnel construction. Timely, efficient, and economical removal of harmful gases and dust in the cave not only reflects the humanistic work concept of green environmental protection, but also effectively improves work efficiency and speeds up the construction progress. [0003] In traditional construction methods, the basic measures for smoke and dust reduction ...

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a long tunnel smoke elimination and dust reduction construction method and the dust suppression station used therein, so as to improve the construction operation environment and overcome the difficulty of ventilation and high economic cost of long tunnels in the prior art. insufficient

Images