Diffusion absorption refrigeration apparatus and refrigeration method
A technology of absorption refrigeration and equipment, which is applied in the direction of refrigerators, refrigeration components, adsorption machines, etc., and can solve problems such as difficult maintenance of the system, failure to obtain low temperature, danger, etc.
Active Publication Date: 2020-08-28
LG ELECTRONICS INC +1
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Problems solved by technology
[0007] First of all, the problem with diffusion absorption refrigeration systems because of the natural convection cooling method is that the cooling capacity is limited compared to other refrigerators that use the forced convection method
[0008] For example, existing ammonia (NH 3 ) and water diffusion absorption refrigeration require separate pretreatment equipment
In addition, although ammonia gas is environmentally friendly, ammonia gas is toxic and explosive, and thus dangerous when leaked. For this reason, ammonia gas is regulated by the High Pressure Gas Safety Management Law, and therefore, there is a problem that it is difficult to use ammonia gas For general household use
[0009] As another example, the water / lithium bromide system is highly corrosive, and low temperatures below 0°C cannot be obtained, so it is impossible to apply the water / lithium bromide system to the freezing / cooling system
In addition, because the water / lithium bromide system is driven under vacuum, it is difficult to maintain the system in case of equipment damage, making it difficult to apply the water / lithium bromide system to general household use
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[0034]Hereinafter, specific embodiments of the present invention will be described in detail with reference to the accompanying drawings. For those of ordinary skill in the art, understanding the spirit of the present invention can easily propose other implementations included in the scope of the same inventive concept through addition, change, deletion, addition, etc. of constituent elements, but these implementations can also fall into Into the scope of the inventive idea of the present invention.
[0035] figure 1 is a configuration diagram of a diffusion-absorption refrigeration device according to an embodiment, and figure 2 is a view showing each operation medium more specifically.
[0036] refer to figure 1 and figure 2 , the diffusion-absorption refrigeration apparatus according to the embodiment includes: a generator 200 for generating refrigerant bubbles including refrigerant gas; a bubble pump 300 for pushing up a dilute solution together by using refrigeran...
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A diffusion absorption refrigeration apparatus according to the present invention includes: a generator; a bubble pump; a gas-liquid separator; a condenser; a gas branch pipe; an evaporator; an absorber; a gas heat exchanger; a storage tank; and a solution heat exchanger, in which a single material of trans-1,3,3,3-tetrafluoropropene (R-1234ze(E)) and 2,3,3,3-tetrafluoropropene (R-1234yf), which have a low global warming potential (GWP), or a mixture thereof at a predetermined ratio is used as a refrigerant. According to the present invention, the stability is high, and a low GWP can be achieved.
Description
technical field [0001] The invention relates to a diffusion-absorption refrigeration device and a refrigeration method. [0002] The invention relates to a diffusion-absorption refrigeration device and a refrigeration method capable of using a refrigerant with a low global warming potential (GWP). Background technique [0003] Because diffusion-absorption refrigeration (DAR) systems use bubble pumps rather than compressors, the systems do not have the noise and vibrations caused by mechanical drives and have therefore been used in hotel rooms or offices where extra quiet is required. [0004] Diffusion-absorption refrigeration systems do not require separate pressure control equipment and are highly durable and reliable because the internal pressure is maintained constant. Furthermore, the advantage of the diffusion absorption refrigeration system is that due to these characteristics, the system has lower maintenance cost and lower initial investment cost as compared to oth...
Claims
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IPC IPC(8): F25B15/02C09K5/04
CPCF25B15/10C09K5/047Y02B30/62Y02A30/27Y02P20/10F25B15/025C09K5/045F25B2400/121
Inventor 南贤植尹德铉李成燮李将石郑清愚强容泰郑韩率
Owner LG ELECTRONICS INC