Automatic dust suppression device of ZPG127 type mine coal mining machine

一、概述

One, overview
    Automatic dust suppression device of ZPG127 type mine coal mining machine, is the dust removal device based on Intelligent miner efficient automatic spray development process characteristics of coal mining working surface coal mining machine. Transmitter in the coal mining machine device, when the shearer began cutting coal, device according to the mobile position determination of shearer transmitter signal (i.e. dust source position) to control the coal mining machine, roller and the lower airflow is electromagnetic valve open dust high pressure spray, so as to realize the mining coal working surface spray dust, improving occupational health conditions of working face.
Two, device.
    Device FBG127 flameproof infrared transmitter, KXBG127 flameproof infrared receiver, FYF5 remote control transmitter, power cable, communication cable, the water supply pipe (hose), nozzle and other necessary equipment.
Three, work principle
    Infrared transmitter in the coal mining machine, moving with the coal mining machine, the receiver detects the infrared signal transmitter, confirm the shearer position and its connected with the control box control is associated with other control box control device, according to set procedures and parameters, the electromagnetic valve is opened with the by the control box, implementation of spray dust and delay function.
Four, model names and types
    1 model description
    2 explosion-proof type and explosion-proof mark
    Mine explosion-proof type explosion-proof type:
    Explosion-proof symbol: Exd 1
Five, environmental conditions
    The 1 device should be able to work normally in the environment:
    A) working temperature: 0 ℃ ~40 ℃
    B) with temperature: -40 ℃ ~+60 ℃
    C)Relative humidity: ≤ 95%
    d)Atmospheric pressure: 86kPa~110kPa
    E) with coal mine methane mixture and coal dust explosion hazard
    2 storage temperature: -40 ℃ ~+60 ℃
    Six, the main technical indexes
    The 1 control box input voltage: 127VAC
    2 voltage fluctuation range: the standard 80%~120% value
    3 control performance:
    The infrared signal transmitter receiver detects sequential move back, open the battery valve, execution of spray dust and delay function. Spray delay time, if the transmitter is still in the position, the delay time of repeated spray spray.
4 spray delay time: (1~999) s, the time delay error is ± 3S set.
    To adapt to the pressure range of 5 means: (0.2~10) MPa. Battery valve in this pressure range, Kai, Guan Ziru, after the closure of the cut-off time ≤ 10s.