采暖系統(tǒng)的蒸汽耗量可按以下方式計算。">

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常見問題

匯總客戶的常見鍋爐故障問題、鍋爐設(shè)備維修保養(yǎng)問題，旨在為客戶提供切實的技術(shù)指導

熱水供熱系統(tǒng)循環(huán)水流量計算公式

2017-02-13

G=[Q/c(tg-th)]×3600=0.86Q/(tg-th)

式中：G - 計算水流量，kg/h

Q - 熱用戶設(shè)計熱負荷，W

c - 水的比熱，c=4187J/ kgo℃

tg﹑th－設(shè)計供回水溫度，℃

一般情況下，按每平方米建筑面積2～2.5 kg/h估算。對汽動換熱機組，由于供回水溫差設(shè)計上按20℃計算，故水量常取2.5 kg/h。

采暖系統(tǒng)的蒸汽耗量可按下式計算：

G=3.6Q/r+⊿h

式中：G-蒸汽設(shè)計流量，kg/h

Q-供熱系統(tǒng)熱負荷，W

r-蒸汽的汽化潛熱，KJ/kg

⊿h-凝結(jié)水由飽和狀態(tài)到排放時的焓差，KJ/kg

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