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地源热泵的设计步骤

地源热泵的设计步骤

发布日期:2018-04-09 作者:地源热泵公司 点击:

1、建筑物冷热负荷及冬夏季地下换热量计算

1. Calculation of building cooling and heating load and underground heat exchange in winter and summer

建筑物冷热负荷计算与常规空调系统冷热负荷计算方法相同,可参考有关空调系统设计手册。冬夏季地下换热量分别是指夏季向土壤排放的热量和冬季从土壤吸收的热量。

The calculation of building cooling and heating load is the same as that of the conventional air conditioning system, which can be referred to the design manual of air conditioning system. The winter and summer underground heat exchange refers to the amount of heat released to the soil in summer and the amount of heat absorbed from the soil in winter.

一般地,水源热泵机组的产品样本中都给出不同进出水温度下的制冷量、制热量以及制冷系数、供热系数,计算时应从样本中选用设计工况下的COP1、COP2。若样本中无所需的设计工况,可以采用插值法计算。

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Generally, the refrigerating capacity, heating capacity, refrigerating coefficient and heating coefficient of the water source heat pump units are given at different inlet and outlet water temperatures, and the COP1 and COP2 should be selected from the sample under the design conditions. If there is no required design condition in the sample, the interpolation method can be used.

2、地下热交换器设计

2. Design of underground heat exchanger

这部分是土壤源热泵系统设计的核心内容,主要包括地下热交换器形式及管材选择,管径、管长及竖井数目、间距确定,管道阻力计算及水泵选型等。

This part is the core content of the soil source heat pump system design, mainly including the selection of underground heat exchanger and pipes, diameter, number, length and shaft spacing, pipeline resistance calculation and pump selection etc..

地源热泵设计时大致可以遵循以下原则:

Ground source heat pump design can generally follow the following principles:

首先考虑采用比较经济的水平埋管方式;相反,若建筑物周围可利用地表面积有限,应采用竖直U型埋管方式。采用串联、并联方式连接埋管,但并联方式采用小管径,初投资及运行费用均较低,所以在实际工程中常用,且为了保持各并联环路之间阻力平衡,最好设计成同程式。

First, the horizontal buried pipe mode is considered; on the contrary, if the surface area is limited, the vertical U buried pipe mode should be adopted. The buried pipe is connected in series and parallel way, but the small diameter is adopted in parallel way, the initial investment and operation cost are low, so it is commonly used in practical engineering, and in order to keep the resistance balance between the parallel loops, it is best to design the same program.

以上就是今天的介绍,如果您想了解我公司产品的更多信息,欢迎您电话咨询,我们定会为您提供详细的产品信息。

The above is today's introduction, if you want to know more about our company's products, you are welcome to telephone consultation, we will provide you with detailed product information.


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关键词:地源热泵工程,地源热泵公司,地源热泵施工

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