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ZFYR余熱回收節能器
mso-bidi-font-family:宋體;color:#747474;mso-font-kerning:0pt">一、余熱回收節能器概述
mso-fareast-font-family:宋體;mso-bidi-font-family:宋體;color:#747474;mso-font-kerning: 0pt"> mso-hansi-font-family:"mso-bidi-font-family:宋體;color:#747474; mso-font-kerning:0pt">煙氣是一般耗能設備浪費能量的主要途徑,比如鍋爐排煙耗能大約在 宋體;mso-bidi-font-family:宋體;color:#747474;mso-font-kerning:0pt">15% mso-hansi-font-family:"mso-bidi-font-family:宋體;color:#747474; mso-font-kerning:0pt">,而其他設備比如印染行業的定型機、烘干機以及窯爐等主要耗能都是通過煙氣排放。煙氣余熱回收主要是通過某種換熱方式將煙氣攜帶的熱量轉換成可以利用的熱量。主要的余熱回收的方式有:煙氣余熱回收熱水,煙氣余熱回收空氣。這里重點介紹煙氣余熱回收熱水。
mso-fareast-font-family:宋體;mso-bidi-font-family:宋體;color:#747474;mso-font-kerning: 0pt"> mso-hansi-font-family:"mso-bidi-font-family:宋體;color:#747474; mso-font-kerning:0pt">煙氣余熱回收熱水換熱器里面的換熱原件為高頻焊翅片管,通過高頻電阻焊接的翅片管降低了傳熱熱阻,耐高溫。為了防止堵灰和腐蝕,余熱回收器出口煙氣溫度一般控制在露點以上,即燃油、燃煤鍋爐排煙溫度 mso-fareast-font-family:宋體;mso-bidi-font-family:宋體;color:#747474;mso-font-kerning: 0pt">≮130℃ 宋體;color:#747474;mso-font-kerning:0pt">,燃氣鍋爐排煙溫度 宋體;mso-bidi-font-family:宋體;color:#747474;mso-font-kerning:0pt">≮100℃ mso-hansi-font-family:"mso-bidi-font-family:宋體;color:#747474; mso-font-kerning:0pt">,節約燃料 宋體;color:#747474;mso-font-kerning:0pt">4-18% "mso-bidi-font-family:宋體;color:#747474;mso-font-kerning:0pt">。
mso-bidi-font-family:宋體;color:#747474;mso-font-kerning:0pt">二、余熱回收節能器特點
mso-fareast-font-family:宋體;mso-bidi-font-family:宋體;color:#747474;mso-font-kerning: 0pt">a mso-font-kerning:0pt">、傳熱性能高。尤其對氣 宋體;color:#747474;mso-font-kerning:0pt">- "mso-bidi-font-family:宋體;color:#747474;mso-font-kerning:0pt">水余熱回收換熱器,更能顯示出它的優點。
mso-fareast-font-family:宋體;mso-bidi-font-family:宋體;color:#747474;mso-font-kerning: 0pt">b mso-font-kerning:0pt">、傳熱平均溫差大。冷、熱流體的通道布置方便,流向可以布置成單純的逆流形式。
mso-fareast-font-family:宋體;mso-bidi-font-family:宋體;color:#747474;mso-font-kerning: 0pt">c mso-font-kerning:0pt">、結構緊湊。由于管外加了翅片增大了散熱面積,每根換熱管的傳熱能力也大,可以用較少換熱管數目保證熱量的傳遞。
mso-fareast-font-family:宋體;mso-bidi-font-family:宋體;color:#747474;mso-font-kerning: 0pt">d mso-font-kerning:0pt">、布置靈活。換熱管可以作為通用的傳熱元件,用改變換熱管根數的方法任意組合。
mso-font-kerning:0pt">三、余熱回收節能器外形結構尺寸圖