Reach the earth superficial sun radiation energy 5.57 ×1018 MJ, equivalent to 190,000 billion tons of standard coal every year, Whole world one energy-consuming 1.56 ×104 of total amount at present about. Solar energy inexhaustible, have clean and safe needing exploit and transport merit. If can utilize solar energy to be refrigerated , undoubtedly very attractive. But the research that the solar energy refrigerates is still not so good as the system of heating far at present. Its main reason is that technology and cost are expected too much.
Identical total trend of present energy and environmental coordinated development of merit of absorbing type refrigeration. Solid person who absorb refrigeration can adopt solar energy or remaining energy low grade heat source as heat source of urging, Whether not only it alleviate supply and the energy crisis not tense of electric power ,but also can effective use grade heat source not low a large number of. In addition person who absorb refrigeration adopt the CFC refrigeration pharmaceutical , there is no CFCS issue, There is no greenhouse effects function , it is a kind of environment friendly refrigeration way. Since middle period of the seventies of the 20th century, person who absorb refrigeration been paid attention to being studied and deepened constantly.
Compared with compressing type refrigeration system of vapour, person who absorb refrigeration have structure to be simple, Lump-sum investment little, low to operate expenses, have long performance life, Have noise , have environmental pollution , can utilize low grade heat source,etc. a series of merits effectively; Compared with absorbing type refrigeration system, person who absorb refrigeration system have crystallization and fractional distillation question , Can use for and shake , incline crown of the head or occasion of rotating etc.
Two bed continuous type person who absorb refrigeration system made up of two parts mainly. The first part Including wave piece absorb bed, heater and cooler, like compressor of traditional refrigeration. Solve and suck attitude bed discharge high-temperature refrigeration pharmaceutical vapour of high pressure to condenser, absorb attitude bed absorb low temperature low-voltage vapour in the evaporimeter, Make the pharmaceutical vapour of refrigeration evaporate refrigeration constantly. So person who absorb refrigeration core that system design three absorb bed, performance quality of it influence whole function of system directly. Second part Including condenser, flow regulating valve and evaporimeter, on ordinary refrigeration being system similar . Suck attitude bed solve and suck high-temperature refrigeration pharmaceutical vapour of high pressure that come out among condenser the condensation solving, Through flow regulating valve, turn low temperature low-voltage liquid into , enter evaporimeter evaporate refrigeration, Absorb refrigeration pharmaceutical vapour of evaporation attitude bed absorb again.
Circulation power that system work offer by heat source, to absorb hot condensation in condenser arrange hot to releases or recycled to the environment cooler, The cold amount is exported from the evaporimeter .
Solid absorb refrigeration system and other refrigeration system distinguish to some extent, according to characteristic of refrigeration of absorbing etc., Should do and consider especially when design with some part , absorb heat transfer of bed spread quality strengthen, Evaporimeter low to evaporate pressure quiet to press to evaporate influence of temperature,etc..