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Air Membrane Technology Upgrades the Construction of Enclosed Coal Yards

Date: 2022-03-31 Author: 科琦气膜

  目前,在环境风暴不断的背景下,污染控制是否达标关系到企业的持续生存和发展,矿区露天煤场的环境敏感区是我们迫切需要解决的问题。因此,许多煤矿企业选择露天煤场采用气膜密闭管理,以确保煤场环境保护达标。

  空气膜是一种空气支撑膜结构。它是随着新材料、新技术的发展而出现的一种新的建筑形式。它使用建筑纤维膜材料作为“外壳”,

  通过自动增压和新风系统支撑建筑“外壳”,形成建筑空间的建筑形式。将气膜技术应用于煤场建设中,可以更好地满足封闭式煤场的环保要求。空气膜煤场是将空气注入聚合物复合膜材料形成的受限空间,并保持一定的室内外空气压差,使膜表面张紧以保证刚度、保持形状和抵抗外部荷载的一种结构形式。在被锚定和充气之后,

  采用合适的钢索结构,使之成为一座封闭的、抗风、抗冻、抗雨、抗雪的煤炭储运建筑。

  气膜煤场的膜材接头采用专用高频焊机焊接,不会产生泄漏。进入煤场的人行出入口、车辆出入口和紧急出口均采用空气自锁或双层联锁门,以尽量减少人员和车辆造成的空气泄漏。煤场充气设备采用PLC自动控制程序,具有工频和变频两种状态。可根据外部条件随时切换,

  这降低了能源消耗。气膜内外压差保持在250-500pa的正压,主要通过差压排气口多叶调节阀的开启来调节,同时通过改变变频风机的运行频率来自动实现。超压排气口外设有导风装置,以改变空气膜中的排气方向。采用冲击水浴原理,有效去除排气中的粉尘,防止二次污染的形成。

  气膜煤场的总体控制系统包括:模块控制系统,

  室内外环境监测系统、温度控制系统、能耗控制系统、压力控制系统、新风循环系统、备用能源系统等。

  室内外通用监控系统可对室外温度、湿度、风力、降水、车辆出入、室外安全等进行监控;室内监测可以全面控制室内温度、温度、风量、光照、煤表面温度和内部温度的测量。根据煤炭储运的相关特点,

  专门安装瓦斯监测系统和煤尘浓度监测系统,自动调节通风量,确保煤场绝对安全。


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