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Compound class II absorption heat pump on single-stage basis

An absorption heat pump, based on the technology, applied in the field of low-temperature waste heat utilization heat pump, can solve the problems such as large difference in performance index

Active Publication Date: 2010-12-29
李华玉
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

From the point of view of the performance index, although the working parameters of the single-stage and single-generator two-stage are adjacent, the performance index between the two is quite different.

Method used

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  • Compound class II absorption heat pump on single-stage basis
  • Compound class II absorption heat pump on single-stage basis
  • Compound class II absorption heat pump on single-stage basis

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0030] The present invention will be described in detail below in conjunction with the accompanying drawings and examples.

[0031] First of all, it needs to be explained that the single-stage second-type absorption heat pump and the regenerative single-stage second-type absorption heat pump are existing heat pump units, and their structure and process are public technologies in the field; therefore, in the following example, The structure and process of the single-generator two-stage and regenerative single-generator two-stage second-type absorption heat pumps formed after newly added components will be described in detail.

[0032] figure 1 As shown, the compound second type of absorption heat pump with a single generator and two-stage flow process on a single-stage basis is realized in this way:

[0033]① Structurally, generator 1, condenser 2, evaporator 3, absorber 4, solution pump 5, refrigerant liquid pump 6 and solution heat exchanger 7 form a single-stage absorption ...

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PUM

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Abstract

The invention relates to a compound class II absorption heat pump on a single-stage basis, belonging to the technical field of heat pumps. In a single-stage heat pump comprising a generator, a condenser, an evaporator, an absorber, a solution pump, a cryogen liquid pump and a solution heat exchanger, a generator, an absorber, an absorber-evaporator, a solution pump, a cryogen liquid pump or a throttle valve, a solution heat exchanger and a second solution heat exchanger are additionally arranged, wherein the evaporator is communicated with the new absorber-evaporator through a cryogen steam channel; the new generator is communicated with the condenser through a cryogen steam channel, communicated with the outside through a waste heat medium pipeline and communicated with the new absorber through the new solution pump and the two new solution heat exchangers; the new absorber is also communicated with the new absorber-evaporator through the second solution heat exchanger; the new absorber-evaporator is also communicated with the new generator through the new solution heat exchangers; the absorber-evaporator is communicated with the new absorber through the cryogen steam channel after the condenser is communicated with the new absorber-evaporator through the new cryogen liquid pump; and the new absorber is also communicated with the outside through a heated medium pipeline to obtain the compound class II absorption heat pump on the single-stage basis.

Description

Technical field: [0001] The invention belongs to the technical field of low-temperature waste heat utilization heat pumps. Background technique: [0002] In heat pump applications, the most critical issue is how to increase the utilization rate of waste heat—for the first type of absorption heat pump, improving the utilization rate of waste heat means reducing the input driving heat load on the premise of meeting the needs of heat users. For the second type of absorption heat pump, improving the utilization rate of waste heat means that a certain amount of waste heat resources can provide heat users with more effective heat load. [0003] For the second type of absorption heat pump, compared with the single-generator two-stage unit, the single-stage unit has a lower heating temperature but a higher performance index, and it can increase the waste heat when the temperature demanded by the heat user is relatively low. Utilization rate; the heating temperature of the single-ge...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F25B30/04
CPCY02B30/625Y02B30/52Y02B30/62Y02B30/123Y02A30/27Y02A30/274
Inventor 李华玉
Owner 李华玉