Pressure-boosting absorptive-type auto-cascade absorption refrigeration circulating system
A circulatory system, self-cascading technology, applied in refrigerators, refrigeration and liquefaction, adsorption machines, etc., can solve the problem of low absorption pressure of absorbers, and achieve the effect of simplifying structure, stable operation and improving refrigeration coefficient
Inactive Publication Date: 2009-12-16
HENAN UNIV OF SCI & TECH
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[0003] The purpose of the present invention is to provide a self-cascading absorption refrigeration cycle system of pressurized absorption type to solve the problem of low absorption pressure of the absorber in the prior art
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[0010] exist figure 1 Among them, a pressurized absorption type self-cascade absorption refrigeration cycle system, the solution outlet of the rectification part 2 is connected with the evaporator 1, the dilute solution outlet of the evaporator 1 is connected with the dilute solution inlet of the solution heat exchanger 12, and the solution heat exchange The dilute solution outlet of the device 12 is connected with the inlet of the condensing ejector 13, and the outlet of the condensing ejector 13 is connected with the inlet of the solution pump 15 through the absorber 14, and the outlet of the solution pump 15 is two-way, and one of them enters the first heat exchanger 3 Cool the mixed steam in the rectification unit 2, the outlet of the first heat exchanger 3 is connected with the outlet of the dilute solution of the solution heat exchanger 12 and then connected with the inlet of the condensing injector 13, and the other channel is connected with the concentrated solution of ...
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The invention discloses a pressure-boosting absorptive-type auto-cascade absorption refrigeration circulating system, which comprises a generator, a rectifying component, a first heat exchanger, a solution heat exchanger, a condensation injector and an evaporating unit. The condensation injector is arranged between the solution heat exchanger and an absorber. An inlet of the condensation injector is connected with a dilute solution outlet of the solution heat exchanger. An outlet of the condensation injector is connected with an inlet of the absorber. An injection guiding inlet of the condensation injector is connected with a reflux opening of the evaporating unit. The pressure-boosting absorptive-type auto-cascade absorption refrigeration circulating system reclaims the throttling loss of the solution. Therefore, the working pressure of the absorber is increased and the refrigeration coefficient of the system is improved. The refrigeration temperature which is lower than that of the prior auto-cascade absorption refrigeration circulating system can be obtained. The system also has advantages of low refrigeration temperature, stable operation and high efficiency, is suitable for places having a rich low-temperature heat source and needing low-temperature deep refrigeration, and has wide application prospect.
Description
technical field [0001] The invention relates to a pressurized absorption type self-cascading absorption refrigeration cycle system, which belongs to the technical field of low temperature refrigeration. Background technique [0002] The self-cascading absorption refrigeration cycle applies the self-cascading refrigeration cycle theory to the absorption refrigeration cycle, which is driven by thermal energy, consumes less mechanical energy, and can obtain lower refrigeration temperatures. However, the absorption effect of the absorber in the existing self-cascading absorption refrigeration cycle system is limited by the evaporation pressure of the evaporator. In order to obtain a lower evaporation temperature, the absorption pressure of the absorber is lower as a result, and the absorption effect of the absorber must be poor. As a result, the refrigeration efficiency of the system is low. As the refrigeration temperature further decreases, the absorption effect of the absorbe...
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CPCY02B30/62Y02A30/27
Inventor 王林谈莹莹郭永辉马爱华周西文任秀宏王雨崔晓龙
Owner HENAN UNIV OF SCI & TECH