Composite generation first-class absorption heat pump

Abstract

The invention provides a composite generation first-class absorption heat pump, and belongs to the technical field of refrigeration and heat pumps. The composite generation first-class absorption heat pump is formed in a way that a second absorber is communicated with a first absorber through a second solution pump and a solution heat exchanger; a first absorber is communicated with a second generator through a solution throttling valve; the second generator is communicated with a first generator through a first solution pump; the first generator is communicated with a steam separation chamber through a second solution throttling valve and the first absorber; the steam separation chamber is communicated with the second absorber through the solution heat exchanger; the first generator is communicated with the first absorber; the steam separation chamber is communicated with a condenser; the second generator is communicated with a second condenser; a condenser is communicated with an evaporator through a throttling valve; the second condenser is communicated with the evaporator through a second throttling valve; the evaporator is communicated with the second absorber; the first generator and the second generator are communicated with a drive heat medium pipeline; the second absorber, the condenser and the second condenser are communicated with a heated medium pipeline; the evaporator is communicated with an afterheat medium pipeline to form.

Description

Technical field: [0001] The invention belongs to the technical field of low-temperature waste heat utilization and heat pump / refrigeration. Background technique: [0002] The first type of absorption heat pump uses the temperature difference between the driving heat medium and the heated medium as the driving force. When the driving temperature difference is large, a double-effect or multi-effect process should be used to fully utilize the driving heat; any heat transfer link The waste of temperature difference will reduce the utilization rate of heat energy. Only by making full use of the temperature difference can a reasonable thermodynamic perfection be guaranteed. [0003] When the temperature range of the heated medium is wide, especially when the driving heat medium is used to provide sensible heat, the temperature difference between the high-temperature exothermic part and the low-temperature exothermic part of the driving heat medium and the heated medium is differen...

AI Technical Summary

Problems solved by technology

At this time, if the solution generation process is completed by a single-effect process, the temperature difference is not fully utilized, and the performance index of the cycle is not ideal; if the solution generation process is completed by a classic double-effect process, it is required to have a gap between the driving heat medium and the heated medium. Sufficient temperature difference, which requires a new circulation process to compensate

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