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style="text-indent:2em;">如果使用水作為冷卻介質(zhì)，水的出口溫度應控制在38°C以下，得超過(guò)45°C。當水溫高于38°C時(shí)，微生物的繁殖會(huì )明顯加速，腐蝕性成分的分解也會(huì )加速，導致管道的腐蝕穿孔。同時(shí)，碳酸氫鈣和碳酸氫鎂溶解在水中。</p><p style="text-indent: 2em;">如何檢測管殼式換熱器的日常溫度？在分解過(guò)程中形成沉淀物，導致?lián)Q熱器結垢越來(lái)越嚴重，進(jìn)一步影響設備的換熱性能。傳熱系數可通過(guò)測量和記錄溫度來(lái)計算。傳熱效率主要是指設備的傳熱系數。傳熱系數的降低意味著(zhù)換熱器效率的降低。定期檢查和測量換熱器兩種介質(zhì)的進(jìn)出口溫度和流量，計算各段的傳熱系數，并做好相關(guān)記錄。當傳熱系數過(guò)低，不能滿(mǎn)足設備的需要時(shí)，需要采用機械清洗或化學(xué)清洗的方法處理設備，提高傳熱系數，以滿(mǎn)足和保持工藝操作的需要。</p> </div> <div id="ntzhn95" class="fenye-cont mt20"> <span>上一篇：<a href="/art/zxdt97.html">安徽換熱器怎么清洗換熱器清洗方法</a></span> <span>下一篇：<a href="/art/cjwt99.html">板式換熱器清洗廠(chǎng)家介紹板式換熱器結垢的清洗方式</a></span> </div> <div id="3pxfzh5" class="biaoqian mt30"> <b>標簽:</b> </div> <div id="lpptzt5" class="textInfo mt20"> <h3>【推薦閱讀→】</h3> <ul> </ul> </div> <div id="xd9tbhl" class="proContent-wrap mt20"> <div id="j91tjjt" class="t1">相關(guān)產(chǎn)品</div> <div id="nvbzr5x" class="main-proList layui-clear"> <ul class="layui-row 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.kefu-left {background:#4499EE;} /* 風(fēng)格1 */ .kefu-backtop a {background:#4499EE;} /* 風(fēng)格2 */ .suspension .a {background-color:#4499EE;} .suspension .a.active, .suspension .a:hover {background:#4499EE;} </style>  <div id="jjttvbf" class="suspension layui-hide-xs"> <div id="lrxx5zf" class="suspension-box"> <a href="#" class="a a-service"><i class="i"></i></a> <a href="javascript:;" class="a a-service-phone "><i class="i"></i></a> <a href="javascript:;" class="a a-qrcode"><i class="i"></i></a> <a href="javascript:;" class="a a-top" style="display: block;"><i class="i"></i></a> <div id="nz5tv5d" class="d d-service" style="display: none;"> <i class="arrow"></i> <div id="xb1jp5b" class="inner-box"> </div> </div> <div id="tzbf5dn" class="d d-service-phone" style="display: none;"> <i class="arrow"></i> <div id="rdz5zff" class="inner-box"> <div id="ltpt5pt" class="d-service-item layui-clear"> <p>聯(lián)系人：柴義柱</p> <p>固話(huà)：</p> <p>手機：13966658525</p> </div> </div> </div> <div id="fj9zdjp" class="d d-qrcode" style="display: none;"> <i class="arrow"></i> <div id="hpjrxhr" class="inner-box"> <div id="vfjpxdh" class="qrcode-img"><img src="" width="120" height="120" alt=""></div> <p>微信公眾號</p> </div> </div> </div> </div>   <style> .chat1 { position: fixed; bottom: 0; right: 60px; z-index: 9999999; padding: 0 20px; height: 40px; background: #007AFF; color: #fff; text-align: center; line-height: 40px; font-size: 17px; width: 180px; cursor: pointer; } .chat1 i { font-size: 24px; margin-right: 10px; } .chat2 { position: fixed; bottom: 0; right: 60px; z-index: 9999999; box-shadow: rgba(0, 0, 0, 0.16) 0 5px 40px; width: 330px; height: 480px; border-radius: 8px; background: #fff; display: none; } .chat2-title { display: flex; justify-content: space-between; align-items: center; background: #007AFF; height: 60px; line-height: 60px; border-radius: 8px 8px 0 0; padding: 0 15px; color: #fff; } .chat2-title .avatar { display: flex; align-items: center; } .chat2-title .avatar p { font-size: 18px; margin-left: 10px; } .chat2-title .avatar img { width: 40px; height: 40px; border-radius: 100%; } .chat2-text { height: 290px; overflow-y: auto; padding: 15px; position: relative; } .chatText-left { margin: 5px 0; } .chat2-text p { color: #999; } .chat2-text .chatText-desc { border: 1px solid #e1e1e1; border-radius: 3px; padding: 10px; font-size: 13px; line-height: 1.2; display: inline-block; } .chatText-right { margin: 5px 0; text-align: right; } .chat-textarea { border-top: 1px solid #e1e1e1; } .chat-textarea textarea { border: none; width: 100%; padding: 5px; height: 50px; color: #888; font-family: "宋體"; box-sizing: border-box; } .chat-click { float: right; cursor: pointer; } .chat-click span { width: 62px; height: 32px; background: #007AFF; color: #fff; text-align: center; line-height: 32px; display: block; border-radius: 4px; margin: 0 10px 10px 0; } .chatText-right .chatText-desc { background: #007AFF; color: #fff; border: 1px solid #007AFF; } @media only screen and (min-width: 320px) and (max-width: 640px){ .chat1{right:10px;width:24px;height:24px;bottom:1.15rem;border-radius:100%;padding:5px;line-height: 26px;} .chat2{width:100%;height:100vh;right:0;border-radius: 0;} .chat-textarea textarea{height: 120px} } </style> <script> //在線(xiàn)懸浮框 $(".chat1").click(function () { $(".chat2").slideDown(100); $(".chat1").hide(); }); $(".chat2 .chat2-down").click(function () { $(".chat2").slideUp(100); $(".chat1").show(100); }); //調取所有的聊天記錄 $(document).ready(function () { getMsgNum(); }); //請求指定的接口，獲取當前用戶(hù)的所有聊天記錄 function getMsgNum() { $.ajax({ url: "/api/msg/get_meassage.html", type: 'get', dataType: 'json', success: function (data) { var obj = data.data; //判斷回調的數據是否為空，為空的，則data字段不存在，obj為undefined if (obj !== undefined) { $.each(obj, function (name, value) { //用戶(hù)發(fā)送過(guò)的聊天內容 $('#message_list').append('<div id="9lpzflh" class="chatText-right"><p>' + this.send_time + '</p><div id="z5hrj5x" class="chatText-desc">' + this.send_content + '</div></div>'); //客服回復的內容 if (this.reply_time != null && this.reply_content != null) { $('#message_list').append('<div id="lffrpxd" class="chatText-left"><p>' + this.reply_time + '</p><div id="n5jnvxf" class="chatText-desc">' + this.reply_content + '</div></div>'); } }); } } }); } //回車(chē)觸發(fā)點(diǎn)擊事件，提交聊天記錄 $(document).keyup(function (event) { if (event.keyCode == 13) { sendcontent(); } }); //發(fā)送留言信息 function sendcontent() { //獲取發(fā)送的內容 let send_content = $("#askContent").val().replace(/[\n\r]/g, '<br>'); //發(fā)送內容不為空時(shí)執行發(fā)送請求 if (send_content != "") { //生成隨機數 let num = parseInt(Math.random() * 1000); let sender = `user${num}`; //發(fā)送后清空輸入框 document.getElementById("askContent").value = ""; $.ajax({ url: "/api/msg/sendMessage.html", type: 'post', dataType: 'json', data: { "send_content": send_content, "sender": sender }, success: function (data) { //實(shí)時(shí)追加用戶(hù)發(fā)送的每一條記錄 $('#message_list').append('<div id="p5p5bhl" class="chatText-right"><p>' + data.data[0].send_time + '</p><div id="x5prt5z" class="chatText-desc">' + data.data[0].send_content + '</div></div>'); //延遲回復指定的客服信息 let timeId = setTimeout(function () { $('#message_list').append('<div id="9h1nvbd" class="chatText-left"><p>' + data.data[0].reply_time + '</p><div id="9hrvbhn" class="chatText-desc">' + data.data[0].reply_content + '</div></div>'); }, 5000); } }); } } //時(shí)間戳轉化成具體的日期2020-08-12 09:15:00 function timestampToTime(timestamp) { var date = new Date();//時(shí)間戳為10位需*1000，時(shí)間戳為13位的話(huà)不需乘1000 var Y = date.getFullYear() + '-'; var M = (date.getMonth() + 1 < 10 ? '0' + (date.getMonth() + 1) : date.getMonth() + 1) + '-'; var D = (date.getDate() < 10 ? '0' + date.getDate() : date.getDate()) + ' '; var h = (date.getHours() < 10 ? '0' + date.getHours() : date.getHours()) + ':'; var m = (date.getMinutes() < 10 ? '0' + date.getMinutes() : date.getMinutes()) + ':'; var s = (date.getSeconds() < 10 ? '0' + date.getSeconds() : date.getSeconds()); strDate = Y + M + D + h + m + s; return strDate; } </script>