Shenzhen active solar house
Active solar house generally consists of heat collector, heat transfer fluid, Qiang heat exchanger, control system and auxiliary energy system appropriate. It requires heat exchanger, water pump and fan and other equipment, power supply is indispensable, so the higher cost of the solar house. But the room temperature can actively control, use is also very suitable. In some developed countries, has built the active solar house many kinds of. For example, penetrating leaf sun real Japanese built in 1956 has been in operation for nearly 30 years. The building as a private residence, construction area of 223m2, the collector for aluminum tube plate, collector area of 98m2 mining GA or cooling, heat collector 33m2 hot water, heat pump system is equipped with two tank. When heating, solar thermal collector is 5 - 25 ℃, through a circulating liquid is transferred to the cryogenic vessel, the heat pump heating up to 42 DEG C, the well is piped to the high temperature storage box; cooling, heat pump with high temperature storage box in the water as cooling medium, and the cooling of the water stored in low temperature storage box. Pump power 2.2kw. Pu heat capacity for 10m3 high temperature, low temperature for 4m3.
Because solar radiation by weather painted pottery, to ensure stable and indoor heating, but heating water in heating at the same time, so the larger residential and office buildings are also equipped with auxiliary water heating pot support. From the solar collector hot water first sent to the bitter hot tank, the valve will heat storage tank and boiler water mixing, and then sent to the indoor air unit for room heating (see group 2.8). This kind of solar house year-round water heating. In addition to active solar house above water heating, heating, and water heating, heating the hot air and hot air heating room real hot, hot sun. The former is characteristic of hot water collection, and then hot water to heat the air, then warm air to the room; the latter is the adoption of solar air collector. Hot air heating shortcomings to send Feng machine noise, high power consumption. |
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