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Absorber

An absorber and absorbing liquid technology, applied in the field of absorbers, can solve problems such as low absorption efficiency, and achieve the effects of improved absorption efficiency, good handling, and reduced heat transmission rate

Inactive Publication Date: 2010-10-06
SANYO ELECTRIC CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0015] However, the absorption efficiency of these existing absorber heat exchangers is low, and there is room for improvement

Method used

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Examples

Experimental program
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Effect test

Embodiment 1

[0086] in possession of figure 1 The structure of the heat pipe shown in the absorber image 3 Among them, the finned heat pipes are used as the 70% of the heat pipes located in the upper part of the full heat pipe in the absorber 5, and the bare heat pipes are used as the remaining 30% of the heat pipes below, which will circulate in the cooling water pipe 23. The temperature of the cooling water is set at 32°C at the inlet of the absorber and at the outlet of the condenser at 37.5°C, and the temperature of the cold and hot water circulated by the hot and cold water pump 22 to the unillustrated cooling / heating load is set at the temperature returned from the load The temperature at the outlet of the evaporator 4 was 12°C and the outlet temperature from the evaporator 4 was 7°C, and the cooling operation was performed. As a result, the result was the same as the case where all the heat transfer tubes installed in the absorber 5 as a comparative example were all bare heat trans...

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Abstract

The invention provides an absorber of an absorptive hot and cold water machine, which has simple and novel structure to improve the absorption efficiency and reduce the cost of an absorptive heat exchanger. The absorber has a thick absorption liquid distributing device for distributing the thick absorption liquid and an absorber type heat exchanger which is arranged under the thick absorption liquid distributing device and has a plurality of heat conducting pipes connected with cooled water pipes for driving the cooled water to circulate from the down direction to the up direction and distributing the thick adsorption liquid from the thick adsorption liquid distributing device to the outer surface of the pipe; when using a fin heat conducting pipe and a naked heat conducting pipe as the heat conducting pipe, a heat passing percent K equal in parts is calculated by following formula; the fin heat pipe is arranged on the upper layer side of the part; and the naked heat conducting pipe is arranged on the lower layer side of the part. K=Q / (AXDeltaT)(kcal / m2.DEG C.hr), wherein Q is a heat exchange capacity of the cooled water flowing in a heat conducting pipe; A is the heat conduction area of the heat conducting pipe; and Delta T is the logarithm average temperature difference of a temperature at inlet / outlet of the cooled water flowing in the heat conducting pipe and the temperature at inlet / outlet of a thick absorption liquid distributed to the outer surface of the heat conducting pipe.

Description

technical field [0001] The present invention relates to an absorber for an absorption chiller and hot water machine, and more specifically, to an absorber for an absorption chiller and hot water machine that selectively supplies cold water for cooling such as cooling and hot water for heating such as heating . Background technique [0002] image 3 An example of a conventional dual-effect absorption chiller that circulates cold water or hot water to a load is shown (see Patent Documents 1 and 2). Water was used as the refrigerant, and lithium bromide (LiBr) aqueous solution was used as the absorbing liquid. [0003] image 3 Among them, 1 is a high-temperature regenerator with gas burner 1B, 2 is a low-temperature regenerator, 3 is a condenser, 4 is an evaporator, 5 is an absorber, 6 is a low-temperature heat exchanger, 7 is a high-temperature heat exchanger, 8 11 to 11 is an absorption liquid pipe, 13 is an absorption liquid pump, 14 to 18 are refrigerant pipes, 19 is a r...

Claims

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Application Information

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IPC IPC(8): F25B37/00
CPCY02B30/62Y02A30/27
Inventor 田中洋介
Owner SANYO ELECTRIC CO LTD
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