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板式換熱器

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耐酸堿換熱器

墊片式板式換熱器

墊片式板式換熱器

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集中供熱板式換熱器

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集中供熱板式換熱器

集中供熱板式換熱器

集中供熱板式換熱器具有高換熱效率，占地面積小，重量輕，安裝拆卸方便，板片種類(lèi)多，污垢系數小等特點(diǎn)，所以，集中供熱板式換熱器在市場(chǎng)上得到廣泛應用。

換熱器是集中供熱板式換熱器中的核心部件，且在實(shí)際應用中，二次網(wǎng)循環(huán)水水質(zhì)硬度不達標，懸浮物高，氯腐蝕或氧腐蝕等問(wèn)題將造成換熱器板結垢，堵塞，腐蝕或穿孔現象，甚至會(huì )影響到換熱器正常功能的發(fā)揮，給企業(yè)造成巨大的經(jīng)濟損失。

在集中供熱系統中，熱網(wǎng)循環(huán)水主要為自來(lái)水和深井水，硬度較大，當水達到沸點(diǎn)時(shí)會(huì )在管網(wǎng)中產(chǎn)生沉淀物，由于板式換熱器流通界面較小，板間流速也就較低，沉淀物容易在熱側形成水垢或在循環(huán)水中懸浮，進(jìn)而沉積在換熱器表面，形成二次水垢，影響水質(zhì)，并造成換熱器結垢堵塞。由于污垢層的導熱系數很低，增加傳熱熱阻，在一定程度上降低了換熱器的傳熱效率；當板式換熱器表面有結垢層形成時(shí)，將會(huì )降低設備流通面積，增加流體流過(guò)設備的阻力，進(jìn)而消耗更多泵功率，帶來(lái)不必要的成本浪費。

雖然，集中供熱板式換熱器的板片由不銹鋼制成，具有耐腐蝕性，但若水中的氯離子含量較高就會(huì )對其造成腐蝕；水和氧也是換熱器板片受腐蝕的必要條件，若腐蝕是在整個(gè)金屬表面均勻地進(jìn)行，腐蝕速度就不會(huì )加快，帶來(lái)的危害性也不會(huì )太大，而若腐蝕集中在金屬表面的某些部位，腐蝕速度就會(huì )加快，容易出現銹穿現象，危害性很大，不僅會(huì )降低設備工作效率，還會(huì )縮短使用壽命，增加維修成本。

相關(guān)產(chǎn)品

采暖板式換熱器

集中供熱板式換熱器

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文章來(lái)源：http://www.middlecloud.com.cn（安陽(yáng)市騰瑞節能設備有限公司）
信息來(lái)源：http://www.middlecloud.com.cn/product755485.html
發(fā)布時(shí)間：2021/8/2 15:40:35
相關(guān)標簽：集中供熱板式換熱器,采暖板式換熱器,
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