<p align="center" style="WORD-BREAK: break-all; TEXT-ALIGN: center;"><b><span style="FONT-SIZE: 10.5pt; COLOR: black;"><font face="宋体"><font size="5">调节系统<span lang="EN-US"><p></p></span></font></font></span></b></p><p style="WORD-BREAK: break-all;"><span style="FONT-SIZE: 10.5pt; COLOR: black;"><font face="宋体"><font size="5">一<span lang="EN-US">. </span>用途和功能特点<span lang="EN-US"><p></p></span></font></font></span></p><p style="WORD-BREAK: break-all;"><font face="宋体"><font size="5"><span lang="EN-US" style="FONT-SIZE: 10.5pt; COLOR: black;"> </span><span style="FONT-SIZE: 10.5pt; COLOR: black;">用途:本装置调节系统是我公司采用当代先进技术自行开发设计的控制系统,采用目前世界上最先进的集散型(<span lang="EN-US">DCS</span>)控制系统,世界上先进可靠的三菱<span lang="EN-US">LC</span>控制器,应用机电一体化技术和容错技术,创造性地解决了电厂发电机定、转子铜线圈腐蚀的关键性技术难点有效防止沉淀物的形成,实现了迅速直观的实时监控,做到分区域及优先级的控制和报警管理。同时应用人机界面技术,编辑、显示和控制画面,使各测量参数如电导率、<span lang="EN-US">pH</span>值直观显示于画面上,便于统计资料,警报讯息等,使整个控制系统上档次,上台阶,达到较高的水准<span lang="EN-US">,</span>本装置主要用于电厂发电机内冷水优化水质控制,同时满足国家标准<span lang="EN-US">GB</span>对发电机内冷水电导率、<span lang="EN-US">pH</span>值、含铜量的要求,使发电机铜腐蚀极限降到最底。<span lang="EN-US"><p></p></span></span></font></font></p><p style="WORD-BREAK: break-all;"><font face="宋体"><font size="5"><span lang="EN-US" style="FONT-SIZE: 10.5pt; COLOR: black;"> </span><span style="FONT-SIZE: 10.5pt; COLOR: black;">功能特点:<span lang="EN-US"><p></p></span></span></font></font></p><p style="WORD-BREAK: break-all;"><font face="宋体"><font size="5"><span lang="EN-US" style="FONT-SIZE: 10.5pt; COLOR: black;">l </span><span style="FONT-SIZE: 10.5pt; COLOR: black;">计量泵控制<span lang="EN-US">:<p></p></span></span></font></font></p><p style="WORD-BREAK: break-all;"><font face="宋体"><font size="5"><span lang="EN-US" style="FONT-SIZE: 10.5pt; COLOR: black;">1. </span><span style="FONT-SIZE: 10.5pt; COLOR: black;">冲程长度在<span lang="EN-US">0</span>—<span lang="EN-US">100%</span>范围内连续可调节。<span lang="EN-US"><p></p></span></span></font></font></p><p style="WORD-BREAK: break-all;"><font face="宋体"><font size="5"><span lang="EN-US" style="FONT-SIZE: 10.5pt; COLOR: black;">2. </span><span style="FONT-SIZE: 10.5pt; COLOR: black;">冲程频率可在面板设定,并能在<span lang="EN-US">LCD</span>上显示。<span lang="EN-US"><p></p></span></span></font></font></p><p style="WORD-BREAK: break-all;"><font face="宋体"><font size="5"><span lang="EN-US" style="FONT-SIZE: 10.5pt; COLOR: black;">3. </span><span style="FONT-SIZE: 10.5pt; COLOR: black;">流量可以冲程频率<span lang="EN-US">L/h</span>单位显示。<span lang="EN-US"><p></p></span></span></font></font></p><p style="WORD-BREAK: break-all;"><font face="宋体"><font size="5"><span lang="EN-US" style="FONT-SIZE: 10.5pt; COLOR: black;">4. </span><span style="FONT-SIZE: 10.5pt; COLOR: black;">输出压力可通过编程设定。<span lang="EN-US"><p></p></span></span></font></font></p><p style="WORD-BREAK: break-all;"><font face="宋体"><font size="5"><span lang="EN-US" style="FONT-SIZE: 10.5pt; COLOR: black;">5. </span><span style="FONT-SIZE: 10.5pt; COLOR: black;">带有流量监测输入功能,可校正冲程计数器。<span lang="EN-US"><p></p></span></span></font></font></p><p style="WORD-BREAK: break-all;"><font face="宋体"><font size="5"><span lang="EN-US" style="FONT-SIZE: 10.5pt; COLOR: black;">6. </span><span style="FONT-SIZE: 10.5pt; COLOR: black;">通过无压触点或<span lang="EN-US">0/4-20mA</span>信号均可实现外部控制。<span lang="EN-US"><p></p></span></span></font></font></p><p style="WORD-BREAK: break-all;"><font face="宋体"><font size="5"><span lang="EN-US" style="FONT-SIZE: 10.5pt; COLOR: black;">7. </span><span style="FONT-SIZE: 10.5pt; COLOR: black;">带液位开关接口<span lang="EN-US"><p></p></span></span></font></font></p><p style="WORD-BREAK: break-all;"><font face="宋体"><font size="5"><span lang="EN-US" style="FONT-SIZE: 10.5pt; COLOR: black;">l </span><span style="FONT-SIZE: 10.5pt; COLOR: black;">自动及手动的顺序控制由可编程序控制器实现。<span lang="EN-US"><p></p></span></span></font></font></p><p style="WORD-BREAK: break-all;"><font face="宋体"><font size="5"><span lang="EN-US" style="FONT-SIZE: 10.5pt; COLOR: black;">l </span><span style="FONT-SIZE: 10.5pt; COLOR: black;">本地控制是由操纵者在人机界面上实现。<span lang="EN-US"><p></p></span></span></font></font></p><p style="WORD-BREAK: break-all;"><font face="宋体"><font size="5"><span lang="EN-US" style="FONT-SIZE: 10.5pt; COLOR: black;">l </span><span style="FONT-SIZE: 10.5pt; COLOR: black;">远方控制是由主控室通过<span lang="EN-US">rofibus DP</span>数据总线接口来实现。<span lang="EN-US"><p></p></span></span></font></font></p><p style="WORD-BREAK: break-all;"><font face="宋体"><font size="5"><span lang="EN-US" style="FONT-SIZE: 10.5pt; COLOR: black;">l </span><span style="FONT-SIZE: 10.5pt; COLOR: black;">故障保护<span lang="EN-US">: </span>电导率高,<span lang="EN-US">pH</span>值低。<span lang="EN-US"><p></p></span></span></font></font></p><p style="WORD-BREAK: break-all;"><font face="宋体"><font size="5"><span lang="EN-US" style="FONT-SIZE: 10.5pt; COLOR: black;">l </span><span style="FONT-SIZE: 10.5pt; COLOR: black;">两路稳压电源输出。<span lang="EN-US"><p></p></span></span></font></font></p><p style="WORD-BREAK: break-all;"><font face="宋体"><font size="5"><span lang="EN-US" style="FONT-SIZE: 10.5pt; COLOR: black;">l </span><span style="FONT-SIZE: 10.5pt; COLOR: black;">配置通讯及输出接口<span lang="EN-US">:<p></p></span></span></font></font></p><p style="WORD-BREAK: break-all;"><span style="FONT-SIZE: 10.5pt; COLOR: black;"><font face="宋体"><font size="5">通讯处理器可提供各种不同的<span lang="EN-US">ROFIBUS</span>总线系统通讯服务:<span lang="EN-US"><p></p></span></font></font></span></p><p style="WORD-BREAK: break-all;"><font face="宋体"><font size="5"><span lang="EN-US" style="FONT-SIZE: 10.5pt; COLOR: black;">ROFIBUS</span><span style="FONT-SIZE: 10.5pt; COLOR: black;">—<span lang="EN-US">DP</span>(符合<span lang="EN-US">EN501720</span>,主或从站)<span lang="EN-US"><p></p></span></span></font></font></p><p style="WORD-BREAK: break-all;"><font face="宋体"><font size="5"><span lang="EN-US" style="FONT-SIZE: 10.5pt; COLOR: black;">ROFIBUS</span><span style="FONT-SIZE: 10.5pt; COLOR: black;">—<span lang="EN-US">DP</span>从站可以实现<span lang="EN-US">LC</span>与其它<span lang="EN-US">ROFIBUS</span>主站间传输数据。<span lang="EN-US"><p></p></span></span></font></font></p><p style="WORD-BREAK: break-all;"><font face="宋体"><font size="5"><span lang="EN-US" style="FONT-SIZE: 10.5pt; COLOR: black;">l </span><span style="FONT-SIZE: 10.5pt; COLOR: black;">配置人机界面从而取代传统控制面板,可节省<span lang="EN-US">LC</span>的<span lang="EN-US">I/O</span>模组,按钮开关,数字设定,指示灯等且能随时显示重要讯息,以利于操作人员正确掌握设备状况和避免错误,利于维修。每一画面可由文字,图形以及指定的<span lang="EN-US">LC</span>资料组成,可依需要编辑出各种画面,用以显示设备状态,操作指示,参数设定,动作流程,统计资料,警报讯息,简易报表。<span lang="EN-US"><p></p></span></span></font></font></p><p style="WORD-BREAK: break-all;"><span style="FONT-SIZE: 10.5pt; COLOR: black;"><font face="宋体"><font size="5">二<span lang="EN-US">. </span>功能说明<b><span lang="EN-US"><p></p></span></b></font></font></span></p><p style="WORD-BREAK: break-all;"><font face="宋体"><font size="5"><span lang="EN-US" style="FONT-SIZE: 10.5pt; COLOR: black;">1. </span><span style="FONT-SIZE: 10.5pt; COLOR: black;">计量泵控制<span lang="EN-US"><p></p></span></span></font></font></p><p style="WORD-BREAK: break-all;"><span style="FONT-SIZE: 10.5pt; COLOR: black;"><font face="宋体"><font size="5">功能:将电导率检测信号和<span lang="EN-US">H</span>值或电导率仪检测信号送来的模拟信号经模<span lang="EN-US">/</span>数变换后输入到可编程控制器,操作员按实际所需流量或压力设定参数转换为线性对应的数据寄存器数字值。<span lang="EN-US"><p></p></span></font></font></span></p><p style="WORD-BREAK: break-all;"><span style="FONT-SIZE: 10.5pt; COLOR: black;"><font face="宋体"><font size="5">计量泵控制信号由编程控制器两通道<span lang="EN-US">D/A</span>模块根据逻辑运算输出<span lang="EN-US">0</span>—<span lang="EN-US">20mA</span>控制信号控制计量泵工作到预定位置。<span lang="EN-US"><p></p></span></font></font></span></p><p style="WORD-BREAK: break-all;"><font face="宋体"><font size="5"><span lang="EN-US" style="FONT-SIZE: 10.5pt; COLOR: black;">2. PH</span><span style="FONT-SIZE: 10.5pt; COLOR: black;">传感器(探头式)<span lang="EN-US"><p></p></span></span></font></font></p><p style="WORD-BREAK: break-all;"><font face="宋体"><font size="5"><span lang="EN-US" style="FONT-SIZE: 10.5pt; COLOR: black;">3. </span><span style="FONT-SIZE: 10.5pt; COLOR: black;">电导变送器<span lang="EN-US"><p></p></span></span></font></font></p><p style="WORD-BREAK: break-all;"><font face="宋体"><font size="5"><span lang="EN-US" style="FONT-SIZE: 10.5pt; COLOR: black;">4. </span><span style="FONT-SIZE: 10.5pt; COLOR: black;">报警保护等。<span lang="EN-US"><p></p></span></span></font></font></p> |