水源热泵空调系统的研究..doc

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水源热泵空调系统的研究.

摘要:水源热泵是以水为热源的可进行制冷/制热循环的一种热泵型水/空气空调装置,它在制热时以水为热源而在制冷时以水为排热源。水源热泵空调系统是由末端(室内空气处理末端)系统,水源中央空调主机(又称为水源热泵)系统和水源水系统三部分组成。 水源热泵机组以水为载体,冬季采集来自水的低品位热能,借助热泵系统,通过消耗部分电能,将所取得的能量供给室内取暖;在夏季把室内的热量取出,释放到水中,以达到夏季空调的目的。该机组具有设计标准、工况优良、操作简便、安全可靠等优点。 水源热泵作为一种用地下恒温水源代替冷却塔的高效节能空调,在实际应用中,还应充分考虑主机、冷冻水泵和冷却水泵等消耗能量最大的设备的节能问题。本文重点阐述了水源热泵系统中冷冻水和冷却水系统的变频节能原理、闭环节能控制方案和对控制系统的设计。实践证明,此控制系统实现了对水源热泵系统从电路到水路的最高效率控制。 Abstract: Water heat pump is based on water as the heat source for heating / cooling cycle of a heat pump type water / air air-conditioning apparatus, it to water as a heat source in the heating in the cooling water as the exhaust heat source. Water source heat pump air-conditioning system by the end of the (indoor air treatment end) system, water, central air-conditioning host (also known as water source heat pump) systems and source water system consists of three parts. Water heat pump with water as the carrier, and winter low-grade thermal energy collected from the water by means of a heat pump system, consume some energy, the energy supplied to the indoor heating; indoor heat out in the summer, released into the water, in order to achieve the summerthe purpose of the air-conditioned. The unit has a design standards, excellent working conditions, easy operation, safe and reliable. Water source heat pump as a heated underground water instead of cooling tower energy efficient air conditioning, in practical applications, but also give full consideration to the host, chilled water pumps and cooling water pumps consume energy equipment energy-saving. This paper focuses on the principle of variable frequency energy of the water source heat pump air-conditioning systems, chilled water and cooling water systems, closed-loop energy-saving control programs and control system design. Practice has proved that this control system for the control of the waterway from the circuit to the water source heat pump system for maximum efficiency. Key words: Water Source Heat Pump;Frequency energy-s

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