沈阳金红叶厂房通风系统操作使用说明书XXXX-2-15(审改)VIP免费

第1页共18页编号：时间：2021年x月x日书山有路勤为径，学海无涯苦作舟页码：第1页共18页金红叶纸业（沈阳）有限公司12万吨生活用纸项目造纸车间湿部吊顶、岗位送风系统使用说明书第2页共18页第1页共18页编号：时间：2021年x月x日书山有路勤为径，学海无涯苦作舟页码：第2页共18页目录一、概述············································································1二、设备安装、使用与维护····················································31、气-水热回收装置····························································32、板式换热器装置·····························································53、送风柜机······································································54、密闭定压膨胀罐····························································65、纸机湿部吊顶································································7三、热水循环系统的控制与调试··············································7四、系统控制逻辑说明·························································10五、系统操作步骤·······························································11六、特别注意事项·······························································13第3页共18页第2页共18页编号：时间：2021年x月x日书山有路勤为径，学海无涯苦作舟页码：第3页共18页一、概述本系统用于纸机湿部、卷纸部的岗位送风及湿部吊顶送风。夏季时岗位送自然风，冬季时岗位送热风，纸机湿部吊顶全年送热风。本系统主要设备有：1、热水加热系统：气-水热回收及板式换热器等；2、热水循环系统：循环水泵、密闭定压膨胀罐、水管路等；3、岗位送风系统：送风柜机、送风风管；4、湿部吊顶及送风系统。送风热源为经换热器加热后的热水。本系统换热器设置有气-水热回收与汽-水板式换热器。冬季岗位送风热媒由气-水热回收及板式换热器提供热水，夏季时气-水热回收只回收少量的高温尾气，大部分高温尾气从旁通管路排入大气。仅在出现气-水热回收出口第4页共18页第3页共18页编号：时间：2021年x月x日书山有路勤为径，学海无涯苦作舟页码：第4页共18页水温达不到设定值时才启用汽-水板式换热器为各送风柜机的换热器组提供热媒。纸机正常生产时，通常夏季停用板式换热器。经一级气-气热回收后的高温尾气通过二级气-水热回收装置的换热管内与循环热水间接传热后，使水温从700C升温到850C，再由板式换热器将循环水加热使水温从850C升高到950C.升温后的热水经管网系统泵送分配到各柜机内的铜管铝翘片加热器内，使新风温升符合吊顶送风的温度要求及冬季岗位送风温度要求。当气-水热回收装置的循环热水的出水温度超过设定温度或冬季送风岗位的风温较高时，系统将自动调节板式换热器的蒸汽用量或直至关闭板式换热器系统，当关闭板式换热器加热系统后，水温或风温仍得不到有效控制时，必须手动调节减少进入气-水热回收换热段的高温尾气量，通过调节气-水热回收旁通排风管路的调节风阀，使过量部分（现场依具体实际确定）的高温尾气经旁通排风管排进大气中。当冬季岗位送风温度明显偏低时，需启用汽-水板式换热器将循环第5页共18页...