一、用途 板式換熱器是由傳熱板片、密封膠墊、框架和夾緊螺栓等主要零部件組成。傳熱板片四個(gè)角形有角孔，鑲貼有密封膠墊的傳熱板片安裝在固定夾緊板和活動(dòng)夾緊板之間的柜架上，用夾緊螺栓夾緊，密封膠墊按著人為設(shè)計(jì)的流程形式將各傳熱板片密封聯(lián)結(jié)，形成迷宮式的介質(zhì)流道，兩種換熱介質(zhì)在相鄰的流道內(nèi)互相逆流，進(jìn)行充分的熱交換。傳熱板片波紋為人字形相鄰板片具有反方向的人字形溝槽，溝槽的交叉點(diǎn)相互支撐形式接觸點(diǎn)，介質(zhì)流動(dòng)時(shí)形成湍流，獲得到很高的傳熱效率。 三、技術(shù)規(guī)格 型號(hào) 2LQFW、2LQFL、 2LQF6W 2LQF1W、 2LQF1L 2LQGW 2LQF4W 4LQF3W 2LQG2W 換熱面積/m2 0.5～16 19～290 0.22～11.45 0.5～14 1.3～5.3 0.2～4.25 傳熱系數(shù)/（W/(m2·K)) 348～407 348～407 348～407 290～638 523～580 348～407 設(shè)計(jì)溫度/℃ 100 120 120 100 80 100 工作介質(zhì)壓力/MPa 1.6 1.0 1.6 1.6 1.6 1.0 冷卻介質(zhì)壓力/MPa 0.8 0.5 1.0 0.8 0.4 0.5 油側(cè)壓力降/MPa ＜0.1 ＜0.1 ＜0.1 ＜0.1 - ＜0.1 介質(zhì)粘度/(mm2/s) 10～326 10～326 10～326 10～325 10～50 10～325 生產(chǎn)廠 四平市興中液壓件廠 型號(hào) 特 點(diǎn) 及 用 途 2LQFW 浮頭式結(jié)構(gòu)，臥式安裝，管束可在殼體內(nèi)自由伸縮、并可抽出，*適用于介質(zhì)溫度較高或溫差較大場(chǎng)合，清洗、維修方便 2LQFL 浮頭式結(jié)構(gòu)，立式安裝，管束可在殼體內(nèi)自由伸縮、并可抽出，便于維修保養(yǎng)，適用于介質(zhì)溫度較高或溫差較大的場(chǎng)合 2LQF6W 浮頭式結(jié)構(gòu)，臥式安裝，管束可在殼體內(nèi)自由伸縮、并可抽出，*適用于介質(zhì)溫度較高或溫差較大場(chǎng)合，清洗、維修方便 2LQF1W 浮頭臥式結(jié)構(gòu)，管束伸縮不受殼體約束，清洗方便，適應(yīng)性強(qiáng)，適用于介質(zhì)溫度較高或溫差較大的場(chǎng)合 2LQF1L 浮頭結(jié)構(gòu)，立式安裝，管束可推出，便于清洗、適應(yīng)性強(qiáng)，適用于介質(zhì)溫度較高或溫差較大的場(chǎng)合 2LQGW 固定管板式結(jié)構(gòu)，換熱管為黃銅，膨脹系數(shù)相同。用于介質(zhì)溫度較高或溫差較大及需耐腐蝕的場(chǎng)合 2LQG2W
固定管板式結(jié)構(gòu)，換熱管為黃銅，其余均為鋼結(jié)構(gòu)，熱效率高，適用于換熱面積較小的場(chǎng)合 4LQF3W 雙重管間翅片式結(jié)構(gòu)，結(jié)構(gòu)緊湊先進(jìn)，冷卻效能高、體積小、重量輕、水阻小，為高效能冷卻器。適用于系統(tǒng)布置要求緊湊的場(chǎng)合（德國(guó)引進(jìn)產(chǎn)品） 4LQF4W 螺紋管冷卻器、浮頭式、熱膨脹管束在殼體內(nèi)可自由伸縮，傳熱系數(shù)高、體積小、重量輕，維修方便
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