Water source heat pump

Abstract

The invention provides a water source heat pump. The water source heat pump is characterized by comprising a high-temperature wastewater evaporator, a low-temperature wastewater evaporator, a steam ejector, a condenser, a pump, a valve and a plurality of pipelines; the high-temperature wastewater evaporator is a horizontal shell-and-tube heat exchanger, the high-temperature waste hot water at thetemperature of 80-90 DEG C flows and releases heat in the pipe, a heat pump medium freon is arranged outside the heat exchange pipe, the freon is heated and evaporated and flows out through a steam outlet; the low-temperature wastewater evaporator is a horizontal shell-and-tube heat exchanger, low-temperature waste hot water at 30-40 DEG C is arranged in the heat exchange tube, the heat pump medium freon outside the tube is heated and evaporated, and generated steam flows out of the steam outlet; freon steam flowing out of the high-temperature wastewater evaporator enters the steam ejector toserve as driving steam, through an ejector nozzle, freon steam of the low-temperature wastewater evaporator is ejected, and the freon steam of the high-temperature wastewater evaporator and the freonsteam of the low-temperature wastewater evaporator are mixed and boosted and then enter the condenser; and the freon steam in the condenser is condensed and released to feed circulating water, and thecirculating water flows out to a heat consumer after being heated.

Description

technical field [0001] The invention relates to heat pump technology, in particular to a water source heat pump. Background technique [0002] Utilizing the waste hot water discharged from cities, especially the waste hot water discharged from iron and steel and chemical enterprises, as a heat source to heat buildings can directly reduce the consumption of other traditional energy sources, and at the same time achieve the purpose of waste utilization, which is a resource recycling and development cycle. An important measure for the economy, the construction of a conservation-minded society, and a friendly environment. [0003] The water source heat pump relies on the physical state cycle change of the refrigerant inside the heat pump unit, absorbs heat from the waste hot water in winter, and supplies heat to the building after the heat pump unit heats up. [0004] Advantages of water source heat pump: [0005] 1. The water source heat pump unit uses the waste water source ...

AI Technical Summary

Problems solved by technology

[0010] At present, water source heat pumps have been generally recognized by the society. There are more and more new water source heat pump projects in various places, but a new problem has emerged: the one-time investment of water source heat pumps is relatively high, and the power consumption of equipment is relatively large, which greatly limits water source heat pumps. further promotion of

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