Lithium bromide aqueous solution used for refrigerating machine
A technology of lithium bromide and aqueous solution, which is applied in the direction of heat exchange materials, chemical instruments and methods, can solve the problems of flow pattern changes and unprepared conclusions about the strengthening mechanism, and is suitable for popularization and application, simple configuration, and convenient preparation Effect
Inactive Publication Date: 2014-01-22
昆山市周市溴化锂溶液厂
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However, they did not provide an explanation for these phenomena, but only speculated that the reinforcement mechanism may change over time
[0005] It can be seen that the research on additives in the prior art is only at the initial stage, and there is no conclusion about the phenomenon of flow pattern change and the strengthening mechanism.
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Embodiment 1
[0016] See attached figure 1 As shown, a lithium bromide aqueous solution for refrigerators includes lithium bromide aqueous solution and isooctyl alcohol; the mass concentration of the lithium bromide solution is 56 to 58wt%, and the content of the isooctyl alcohol in the lithium bromide solution is 51mg / Kg.
[0017] Adopt existing lithium bromide absorption refrigerator, adopt conventional lithium bromide solution (do not contain additive), and the lithium bromide aqueous solution of this embodiment, test its cooling capacity respectively, the result is as follows figure 1 shown.
[0018] It can be seen from the figure that when no additives are used, the concentration of the solution increases from 47.88% to 58%, and the cooling capacity increases from 0.13kW to 0.272kw, and then decreases to 0.255kw; the concentration corresponding to the highest cooling capacity ranges from 56% to 58%. When additives are used, the concentration of the solution rises from 50.94% to 58%, t...
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The invention discloses a lithium bromide aqueous solution used for a refrigerating machine. The lithium bromide aqueous solution used for a refrigerating machine comprises a lithium bromide aqueous solution and isooctanol. The mass concentration of the lithium bromide aqueous solution is 56-58wt%. The content of isooctanol in the lithium bromide aqueous solution is 46-55mg / Kg. The invention develops a new additive which suitable for a lithium bromide aqueous solution of a refrigerating machine and a corresponding lithium bromide aqueous solution. An appropriate amount of isooctanol is added in the lithium bromide aqueous solution. Proved by experiments, compared to existing lithium bromide aqueous solution, the lithium bromide aqueous solution containing the additive has an average amplification of 27.2% in refrigerating capacity, and achieves unexpected effects.
Description
technical field [0001] The invention relates to a lithium bromide aqueous solution used in refrigerators. Background technique [0002] After the industrial process, the excess heat will be discharged into the surrounding environment as waste, causing great waste and thermal pollution to the environment. Lithium bromide absorption refrigeration technology has been widely concerned and applied for its characteristics of environmental protection of refrigerant and ability to utilize industrial waste heat. The application of absorption refrigerators can limit the use of HCFCs that cause ozone layer depletion, so they are sustainable; although absorption refrigerators have advantages in environmental protection and energy saving, absorption refrigerators have the disadvantages of large volume and troublesome maintenance. and other shortcomings; therefore, in order to promote the use and promotion of absorption refrigerators, improving the performance and reducing costs of absor...
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IPC IPC(8): C09K5/04
Inventor 吴冬琪
Owner 昆山市周市溴化锂溶液厂