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Heat Pump Is A Low Temperature Waste Heat Utilization Of Energy-saving Technologies Nov 03, 2017

A heat pump is a device that uses high heat to flow from a lower heat source to a higher heat source. At present, the heat pump technology mainly used in China is divided into low-level heat sources: heat pumps of water sources (seawater, sewage, groundwater, surface water, etc.), heat pumps of ground sources (including soil and groundwater), and air source heat pumps. Heat pump can extract heat from the low-temperature heat source for heating. Heat pump heat is much greater than the mechanical energy it consumes, so that heat pump technology is a low temperature waste heat utilization of energy-saving technologies.

China's heat pump technology is divided into three categories: water source heat pump, ground source heat pump, and air source heat pump.

Water source heat pump is the use of the Earth's water storage of solar energy resources as a cold, heat, air conditioning technology conversion. As the heating source of winter heat pump and summer air conditioner respectively, the water body takes the heat in buildings into the water and releases it to the water body in summer. Because of the low temperature of the water source, the water can be efficiently taken away to reach the summer The purpose of indoor cooling to buildings; and in winter, is through the water source heat pump units, from the water source, "extract" heat, sent to the building heating.

Ground source heat pump is the use of shallow surface water (such as groundwater, rivers and lakes) and the ground source of solar and geothermal energy absorption, and the principle of heat pump, both heating and cooling of energy efficient air-conditioning system. In winter, respectively, as a heat pump heat source and the summer cold source of cooling, that is, in winter, the heat in the ground to take out to increase the temperature, the supply of indoor heating; Summer, the indoor heat taken out to release Earth can go.

Air source heat pump, also known as air source heat pump water heater. Air source heat pump technology is based on the reverse Carnot cycle principle to establish an energy saving, environmental heating technology. Air source heat pump system through the natural energy (air heat storage) access to low-temperature heat source, the system after high-temperature heat integration into a high-temperature heat source, used to take (warm) or supply hot water, the entire system heat collection efficiency is very high.

Heat pump technology common application areas:

Swimming pool thermostat is the use of electric heat pump temperature system, drawing from the ambient air heat, driven by electric energy, the use of compressor work and Unreal systems continue to absorb heat from the air and released into the water, in order to achieve the pool water from the low temperature to the specified heat Water temperature and maintain the purpose of temperature.

Due to the large amount of water and gas generated by the heated indoor swimming pool and its corrosiveness, there is a certain amount of damage to the metal and the building in the swimming pool. People in the environment may feel uncomfortable and may endanger human health. Therefore, air Dehumidify and maintain relative humidity. In addition, the equipment can also provide indoor air-conditioning refrigeration without thermostatic heating season to achieve the functions of thermostat, dehumidification and refrigeration. They are collectively referred to as the three-in-one heat pump system or the constant temperature and humidity swimming pool equipment.

Heat pump water heater in swimming pool.

Swimming pool heat loss (villa pool design pay particular attention)

Swimming pool outdoor open-air swimming pool (field) and the indoor heated swimming pool (Museum) two categories. From the nature of the use of swimming pool, swimming pool, training pool, diving pool, children play pool, etc .; from the nature of the business, there are public swimming pool, commercial hotel swimming pool, there are private villas and other residential swimming pool. However, no matter what kind of swimming pool, there is a requirement to maintain a constant temperature of the water, and the temperature of the water varies depending on the nature of use. Swimming pool heat loss in the following areas: (especially in the villa swimming pool equipment in the conduction)

1) Pool Water is constantly losing heat due to water surface evaporation, water surface conduction, pool bottom and pool wall conduction.

2) As people swim in the swimming pool, a part of the water will be lost and must be continuously replenished. However, the supplementary water needs heating and needs to be supplemented with some heat.

3) In addition, the entire pool of equipment and piping is also constantly emitting heat to the surrounding environment.

Some of these losses of heat, we need to continue to supplement, in order to maintain a certain temperature of water. These heat losses, combined with the heat loads of swimming pools and showers, can be referred to as recurrent heat loads.

In addition, there is also a one-time water temperature pool replacement of all new requirements. In order to clean, disinfection requirements, in a certain period of time, all the water required to empty the pool, re-enter the warm water. If the supplementary water is cold water (water temperature at 5-15 ℃), then the heat required to heat the entire pool of water is a one-time impact load.