Trace to Its Source: Heat Pump Industrial Development History of the World

the 70s of the 20th century, heat pump industry hasthrough the expansion valve back to the evaporator
entered a golden era, the world's research on theand then evaporated, and so the cycle.
heat very great importance, such as the InternationalAir source heat pump heat transfer working fluid is a
Energy Agency and the European Community, havespecial material, atmospheric pressure and the boiling
developed a large-scale heat pump development plan,point of minus 40 ?, freezing point of minus 100 ?
emerging new technologies, heat pump, heat pumpbelow, the substance is a liquid when cold, but it is
uses also continuous development, is widely used ineasy to evaporate into the air, and vice versa. In
air conditioning and industrial fields, in energyactual operation, the air source heat pumps
conservation and environmental protection plays arefrigerant evaporation heat transfer limit of
significant role.temperature is about 20 ?, 5 ?, therefore such a low
Relative world heat pump development, China startedenvironmental temperature on the temperature is
research on heat pump is about 20-30 years later."hot", even the temperature of snow, for example, 0
After the founding of new China, with the arrival of a? By contrast is hot, so heat can exchange some.
new wave of industrial construction, heat pumpFifth-generation heating system heat pump
technology was introduced to China. The 21sttechnology and the environment 1824 French
century, as rapid urbanization in coastal areas ofscientists Kano (Sadikarnot) released Carnot cycle
China, per capita GDP growth, the 2008 Beijingtheory, the origin of a heat pump technology.
Olympic Games and 2010 Shanghai World Expo and1850, British scientist Kelvin (L. Kelvin) proposed
other factors driving the development of the Chinesereverse Carnot cycle heat pump for heating ideas.
air conditioner market and promote the heat pump isPump theory originated in the early nineteenth
widely applied in China, rapid development of heatcentury French scientist Sadi. Carnot (Sadikarnot),
pump, heat pump technology of innovation.Kano in 1824 for the first time we propose "Carnot
Pump started from the beginning of 2001, after fivecycle" theory, 30 years later, British scientists Kelvin
years of cultivation, China began to import on heat(L. Kelvin) in made early in 1850: Frozen device can be
pump industry into growth stage. The rapidused to heating, followed by many scientists and
development of heat pump sector, on the one handengineers conducted extensive research on the heat
due to tight energy saving heat pump makes morepump to study the continuous 80 years.
and more obvious advantages, on the other hand1912 Zurich, Switzerland, in order to successfully install
joined forces with multi-drive industry has a lot ofa water pump device as a low heat for heating,
technological innovation.which is the early source heat pump system, is the
Air Source Heat Pumpworld's first set of heat pump system. Heat Pump
Air source heat pump in operation, the evaporatorindustry in the 20th century, the 40's to early 50's
heat from the air in the environment, to draw heatrapid development, domestic and industrial buildings
to evaporation refrigerant, refrigerant vaporuse heat pumps on the market for heat pumps,
compressed by the compressor pressure andpump into the early stages of development.
temperature rise, high temperature steam in theThe 21st century, with the "energy crisis" there, fuel
water storage tank through a permanent bond theprices suddenly rise, improved its efficiency heat
outer surface of the special circular tube condenserpump developed low temperature heat recovery,
condensing into liquid, releasing heat transfer to theenergy saving features of new stage of history,
air source heat pump water storage tank in thebecome the most valuable new energy technologies .
water. After the refrigerant condensing heat transfer