Vortex negative pressure injection spraying dust control device

Vortex negative pressure injection spraying dust control device

The utility model discloses a vortex negative pressure injection spraying dust control device which comprises a negative pressure injection assembly and a vortex entrainment assembly which are arranged front and back. The negative pressure injection assembly comprises a nozzle, a spray pipe and a pa...

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Hauptverfasser: YU XIN, HOU QINGLIANG, YANG ZIYU, LI JINGGUO, BAI BAOLEI, LYU KUAN, YU HAILI, XIA JINGWEI, XIDU RIGU, LI JIANYING, LI CUNJIN, LI HAICHAO
Format: Patent
Sprache:chi ; eng
Schlagworte:
EARTH DRILLING
FIXED CONSTRUCTIONS
MINING
SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS
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creator YU XIN
HOU QINGLIANG
YANG ZIYU
LI JINGGUO
BAI BAOLEI
LYU KUAN
YU HAILI
XIA JINGWEI
XIDU RIGU
LI JIANYING
LI CUNJIN
LI HAICHAO
description The utility model discloses a vortex negative pressure injection spraying dust control device which comprises a negative pressure injection assembly and a vortex entrainment assembly which are arranged front and back. The negative pressure injection assembly comprises a nozzle, a spray pipe and a partition plate. The partition plate comprises a mounting inner circle, a mounting outer ring and a middle ring provided with a communicating hole; the front end face of the mounting outer ring is connected with a coaxial spray pipe; a nozzle connected with a water pipe is arranged at the axis of the front end surface of the mounting inner circle; the vortex entrainment assembly comprises a plurality of air supply stand columns and a plurality of draught fans. A plurality of air supply stand columns are circumferentially and uniformly distributed around the axis of the mounting outer ring and are welded on the rear end face of the mounting outer ring, and the air supply stand columns form a vortex entrainment area co
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subjects EARTH DRILLING
FIXED CONSTRUCTIONS
MINING
SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS
title Vortex negative pressure injection spraying dust control device
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