Enclosed ground source heat pump system successfully applied
Recently, the first domestic development of ground source heat pump heating and air conditioning system in Beijing Zhongguancun Shangdi Information Development Zone Software Park run successfully. The demonstration project construction area of ​​28600m2, heating and air conditioning area of ​​21000m2, demonstration project design load of 2800kw, according to different applicable objects and applications for functional optimization. The project was formally constructed in July 2004 and entered the commissioning phase in January 2005. The project is equipped with 15 sets of small heat pump units of different sizes, providing warm air or cold air and domestic hot water directly to the indoor. The outdoor use of buried pipes and the optimized design increase the heat exchange area and save outdoor land to 1 square meter Outdoor area for indoor 8. Square meters of heating area. The project helps to apply enclosed ground source heat pumps to large public buildings and is especially suitable for areas that lack groundwater resources and that do not allow use of groundwater and provide urban use of superficial energy to reduce energy consumption in urban buildings and improve urban air quality New way. The system demonstration and design by the University of Missouri Dr. Xu Yusheng and Beijing Energy Conservation and Environmental Protection Service Center completed, construction of underground heat transfer system from the integrated air-conditioning Co., Ltd. SST (Ningbo) completed.
Plastic Injection Mold is an assembly of parts containing within it an impression into which plastic material is injected and cooled. It's the impression which gives the moulding its form. The impression may, therefore, be defined as that part of the mould which imparts shape to the moulding.
The impression is formed by two mould members:
Cavity and core plates: This is illustrated for a simple container, the basic mould, in this case, consists of two plates. Into one plate is sunk the cavity which shapes the outside form of the moulding and is therefore known as the cavity plate.
Similarly, the core which projects from the core plate forms the inside shape of the moulding. When the mould is closed, the two plates come together forming a space between the cavity and core which is the impression.
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Enclosed ground source heat pump system uses a closed buried underground circulation pipeline, the use of water pipes within the pipeline to extract or release soil heat or cold.