<p><strong><span style="font-weight: normal; font-size: 10pt; font-family: 宋體; mso-bidi-font-size: 12.0pt; mso-font-kerning: 0pt; mso-bidi-font-weight: bold">&nbsp;&nbsp; 在冷卻水系統(tǒng)中采用閉塔的好處在于對主設(shè)備而言，不會因為形成水垢、生物污泥而增加熱阻、減小通流面積甚至堵塞換熱器和過濾器，導(dǎo)致?lián)Q熱效率降低，也不會因為換熱表面的金屬長期處于高溫熱負荷狀態(tài)，導(dǎo)致金屬疲勞，以及垢下腐蝕導(dǎo)致設(shè)備穿孔泄漏等，有利于延長設(shè)備的使用壽命。特別是隨著技術(shù)的發(fā)展，主設(shè)備越來越多采用緊湊式換熱器，從而對冷卻水質(zhì)的要求越來越高，閉塔的使用也越來越廣泛。<br /> <br /> <strong><span style="font-size: 12pt; color: #333333; font-family: 宋體; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">原理</span></strong><strong><span lang="EN-US" style="font-size: 12pt; color: #333333; font-family: Verdana"><o:p></o:p></span></strong></span></strong></p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt; text-align: left; mso-pagination: widow-orphan" align="left"><span style="font-size: 10pt; color: #333333; font-family: 宋體; mso-font-kerning: 0pt; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana; mso-bidi-font-family: 宋體">循環(huán)水系統(tǒng)分為：</span><span lang="EN-US" style="font-size: 10pt; color: #333333; font-family: Verdana; mso-font-kerning: 0pt; mso-bidi-font-family: 宋體"><o:p></o:p></span></p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt; text-align: left; mso-pagination: widow-orphan" align="left"><span lang="EN-US" style="font-size: 10pt; color: #333333; font-family: Verdana; mso-font-kerning: 0pt; mso-bidi-font-family: 宋體">1.</span><span style="font-size: 10pt; color: #333333; font-family: 宋體; mso-font-kerning: 0pt; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana; mso-bidi-font-family: 宋體">內(nèi)循環(huán)水系統(tǒng)（盤管內(nèi)的被冷卻水循環(huán)系統(tǒng)）</span><span lang="EN-US" style="font-size: 10pt; color: #333333; font-family: Verdana; mso-font-kerning: 0pt; mso-bidi-font-family: 宋體"><o:p></o:p></span></p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt; text-align: left; mso-pagination: widow-orphan" align="left"><span lang="EN-US" style="font-size: 10pt; color: #333333; font-family: Verdana; mso-font-kerning: 0pt; mso-bidi-font-family: 宋體">2.</span><span style="font-size: 10pt; color: #333333; font-family: 宋體; mso-font-kerning: 0pt; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana; mso-bidi-font-family: 宋體">外循環(huán)水系統(tǒng)</span><span lang="EN-US" style="font-size: 10pt; color: #333333; font-family: Verdana; mso-font-kerning: 0pt; mso-bidi-font-family: 宋體">(</span><span style="font-size: 10pt; color: #333333; font-family: 宋體; mso-font-kerning: 0pt; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana; mso-bidi-font-family: 宋體">外部噴淋水通過與盤管和填料接觸換熱達到冷卻盤管內(nèi)部循環(huán)水的目的</span><span lang="EN-US" style="font-size: 10pt; color: #333333; font-family: Verdana; mso-font-kerning: 0pt; mso-bidi-font-family: 宋體">)<o:p></o:p></span></p> <p class="MsoNormal" style="margin: 0cm 0cm 0pt; text-align: left; mso-pagination: widow-orphan" align="left"><span style="font-size: 10pt; color: #333333; font-family: 宋體; mso-font-kerning: 0pt; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana; mso-bidi-font-family: 宋體">內(nèi)循環(huán)被冷卻水通過盤管與管外噴淋水和空氣進行熱質(zhì)交換，避免了被冷卻水與空氣直接接觸而導(dǎo)致的水質(zhì)污染。由于管外有通過</span><span lang="EN-US" style="font-size: 10pt; color: #333333; font-family: Verdana; mso-font-kerning: 0pt; mso-bidi-font-family: 宋體">PVC</span><span style="font-size: 10pt; color: #333333; font-family: 宋體; mso-font-kerning: 0pt; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana; mso-bidi-font-family: 宋體">填料預(yù)冷卻的噴淋水，其換熱效果明顯優(yōu)于空冷器</span><span lang="EN-US" style="font-size: 10pt; color: #333333; font-family: Verdana; mso-font-kerning: 0pt; mso-bidi-font-family: 宋體"><o:p></o:p></span></p>