廣西中央空調(diào)循環(huán)水處理設(shè)備★廣東中央空調(diào)的循環(huán)水設(shè)備【給力2012】
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Central air-conditioning circulating water treatment equipment - central air-conditioning circulating water system includes cooling water system and refrigeration ( heating ) water system in two parts, in which the cooling water system for the open cycle system, and refrigeration ( heating ) water system for closed cycle system. Although the central air conditioning water system of the two segments each have a characteristic, but the same problems exist: they are using water as working medium, in external conditions ( such as temperature, velocity, concentration ) change, water quality is not stable state, scaling, corrosion can occur, such as biological slime phenomena, such as not appropriate water treatment, it will cause the blockage of the pipe, corrosion leakage, low heat exchange efficiency and a series of problems, affect the normal operation of central air conditioning system.
一、廣西中央空調(diào)循環(huán)水處理設(shè)備系統(tǒng)存在的問題
在中央空調(diào)的循環(huán)水系統(tǒng)中由于水質(zhì)不穩(wěn)定而易引起系統(tǒng)結(jié)垢、腐蝕、生物粘泥及菌藻滋生等不良后果。
1 腐蝕
A.碳鋼材質(zhì)與水中的氧氣作用而發(fā)生腐蝕,其反應(yīng)如下:
Fe + O2 + H2O Fe(OH)3↓
B. Harmful ion induced corrosion
Central air conditioning circulating water in the condensation process, various salts concentration increased, while Cl and SO4ions concentration, will cause the metal surface protective film corrosion resistance reducing. Particularly the Cl ion radius is small
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