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公司简介

LWY-30型拉法尔瓦斯诱导器


LWY-30型拉阀尔瓦斯诱导器

概述

随着煤层开采深度不断增加,煤层瓦斯含量增大;同时回采工作面实现了采煤机械化,产生了大量高产高效工作面。回采时,局部瓦斯积聚日趋明显,工作面瓦斯浓度明显增大,尤其天气气温增高时,瓦斯涌出量不断增加,井下瓦斯变化异常,使一部分原来工作面瓦斯不大的矿井,也出现了上隅角瓦斯积聚超限,严重影响安全生产及回采效率,给安全生产带来很大的隐患。我公司经大量实验,制造出LWY-30型拉阀尔瓦斯诱导器,有效地解决了局部瓦斯积聚安全隐患,不仅保证了工作面安全生产,还大大提高了回采率,并且改善了质量标准化水平。

 

LWY-30型拉阀尔瓦斯诱导器济宁同旭机电设备有限公司推出的处理煤矿井下瓦斯聚集的专用产品,它采用压缩空气作动力,不带电工作,无摩擦火花,安全,可靠。配合精密甲烷传感器,引入自动控制系统,实现自动控制功能,当瓦斯超限后自动启动稀释器,降低瓦斯浓度,报警解除后停止工作。还实现了数据上传功能,实时对瓦斯浓度进行监控。

 

工作原理
     LWY-30型拉阀尔瓦斯诱导器在壳体内设有粗、细端分别为空气口的拉阀尔管,沿拉阀尔管细端的外侧设有环形气室,该环形气室经环形缝隙及压缩气体入口分别与拉阀尔管的内腔及外部压缩气源相通。利用负压诱导效应,以压缩空气作为动力,压缩空气进入一个径向的环形空间,而这个特殊的设计环形空间能使压缩空气得到膨胀,同时使流速提高。所以,在此作用下可产生负压而进入设备的空腔。这样,使压缩空气和诱导吸进的气体混合之后在增压管内扩散,然后以高速喷射出去。诱导进入的气体可以达到超过25倍的压缩空气体积。由负压而产生的高速气流轨迹是以层状状态流动。可以向高瓦斯区域吹入空气,以达到稀释的目的,避免了用电所带来的诸多问题,消除了安全引患。

 

适用环境:

适用于回风隅角、独头巷道、高冒区等局部瓦斯积聚点

 

产品特点
    1、制造工艺采用铸造成型,精密数控机械加工,它采用压缩空气作动力,不带电工作,无摩擦火花,产品强度高、效率高,使用安全可靠;
    2、外壳采用不锈钢,内件进行了表面氧化处理,设置了清理口能清除环缝堵塞,从而保证了产品美观、耐腐蚀和有效使用寿命;
    3、进气和出气端装有消音器,环境噪音小,安装使用方便。

4设计合理、结构简单,引射效率可达到25倍以上

5实现自动控制功能,操作方便。

技术参数


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