采暖热负荷怎么计算?

是一个开间地暖只铺设一半,热负荷是算整个房间呢,还是?
2024-12-16 15:24:21
推荐回答(4个)
回答1:

公式如下:
Qnp=Qn(tn-tp)/( tn-twn) (2.2.1-1)式中Qnp—采暖平均热负荷,KW;
Qn —采暖设计热负荷,kw;
tn—室内设计温度,°C,可取18°C;
tp—采暖期室外平均温度,°C;
twn—采暖室外计算温度,°C。

一般房屋的门窗,墙壁冬季都会散热,热量损失多少,就要补偿多少,否则室温就会下降。
保温状况一般的情况下,即房屋不存在特殊保温层、门窗关闭状况一般、室内空气流动一般:
东北地区:每平方米装机容量80~120W
华北地区:每平方米装机容量60~100W
平均热负荷系数是一年或一个供暖期内平均热负荷与最大热负荷之比

回答2:

是民用建筑吗,虽然只是铺设一半,但仍属于全面采暖的范畴,按整个房间的热负荷计算。局部供暖一般用在工业场所比较多,按地暖规范乘以一定的系数。

回答3:

热负荷是针对于维护结构的,也就是最小单元是房间

回答4:

1、饱和蒸汽温度 95/70℃有误,应为194℃;
2、如果估算的蒸汽量的最大值是0.2t/h 平均0.171;则凝结回水的最大值和平均值 也是 0.2t/h 平均0.17

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