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Multi-stage flash generating type heat source tower heat pump system and multi-stage regeneration method

A heat source tower heat pump, flash regeneration technology, applied in the field of air conditioning and refrigeration, can solve the problem of non-condensable gas degassing, high-temperature heat source driving heat reuse, etc.

Active Publication Date: 2015-01-07
河南昊立智能科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The technical problem to be solved by the present invention is to provide a multi-stage flash regeneration heat source tower heat pump system to solve the non-condensable gas degassing problem and the heat reuse problem when the high-temperature heat source is driven in the existing boiling regeneration system

Method used

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  • Multi-stage flash generating type heat source tower heat pump system and multi-stage regeneration method
  • Multi-stage flash generating type heat source tower heat pump system and multi-stage regeneration method
  • Multi-stage flash generating type heat source tower heat pump system and multi-stage regeneration method

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Experimental program
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Embodiment 1

[0022] Embodiment 1, figure 1 A heat source tower heat pump system with multi-stage flash regeneration is given: it includes a working subsystem and a regeneration subsystem.

[0023] The working subsystem includes closed heat source tower 1, heat source tower circulation pump 14, bypass regulating valve 20, heat pump unit 6, organic organic solution circulation pump 19, inlet regulating valve 23, condenser bypass regulating valve 24, return water regulating valve 37 and a water supply regulating valve 38; the regenerative subsystem includes the fourth effect heat exchange chamber 2, the third effect heat exchange chamber 3, the second effect heat exchange chamber 4, the first effect heat exchange chamber 5, the condensation water heat exchanger 7, Condenser 8, solution heat exchanger 9, first heat exchanger 10, condensation degassing chamber 11, second heat exchanger 12, degassing chamber 13, outlet solution booster pump 15, condensed water pump 16, first effect exchanger Ho...

Embodiment 1

[0077] The calculation parameters of implementation example 1 are shown in Table 1 (for 1 kg of water vapor absorbed by the heat source tower heat pump system from the air), the system is in the regeneration mode under winter working conditions, and the design conditions are: ambient temperature 0 ° C, calcium chloride is used as the antifreeze solution solution, the mass concentration is 20%, the freezing point of antifreeze solution is -20°C, the temperature of hot water inlet and outlet is 45 / 40°C, 4-effect regeneration is adopted, the heat transfer temperature difference between effects is 3°C, and the minimum pressure of the system is 863.6pa (absolute pressure), the maximum pressure is the pressure of the first effect heat exchange chamber 4433pa, the exhausted steam in the degassing chamber accounts for 0.5% of the liquid intake, the condensing water temperature in the condensing and degassing chamber is 27°C, the condensation rate is 98.3%, and the vacuum pump in the con...

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Abstract

The invention discloses a multi-stage flash generating type heat source tower heat pump system and a multi-stage regeneration method. The system comprises an external heat exchange system, a working subsystem in which organic solution is contained, and a regeneration subsystem in which circulating solution is contained; the working subsystem comprises a closed heat source tower, a heat source tower circulating pump, a bypass regulating valve, a heat pump set, an organic solution circulating pump, an inlet regulating valve, a condenser bypass regulating valve, a water returning regulating valve and a water supply regulating valve; the regeneration subsystem comprises a first-effect heat exchanging chamber, a second-effect heat exchanging chamber, a third-effect heat exchanging chamber, a fourth-effect heat exchanging chamber, a condensed water and solution heat exchanger, a condenser, a first heat exchanger, a second heat exchanger, a condensing degassing chamber, a degassing chamber, a first-effect dredging regulating valve, a second-effect dredging regulating valve, a third-effect dredging regulating valve, a fourth-effect dredging regulating valve, a first dissolved solution outlet regulating valve, a second dissolved solution outlet regulating valve, a third dissolved solution outlet regulating valve, a first-effect water supply regulating valve, a concentrated solution regulating valve, a dilute solution regulating valve, a condenser regulating valve, a condensing degassing chamber dredging regulating valve, a first-effect hot water regulating valve, a degassing chamber regulating valve, a degassing chamber hot water regulating valve, a pressure switch and a pump.

Description

technical field [0001] The invention relates to the field of air conditioning and refrigeration, in particular to a multi-stage flash regeneration heat source tower heat pump system and a multi-stage regeneration method. Background technique [0002] When the air source heat pump is used in winter, it is easy to produce frosting problems; and the heat source tower heat pump can effectively solve the problem of frosting that is easy to occur in winter. It is suitable for use in winter and summer, and has a good Therefore, in recent years, there have been more and more researches and applications on heat source tower heat pump systems. [0003] Currently, a major problem in heat source tower heat pumps is the regeneration of antifreeze solutions. When the heat source tower is used in winter, the antifreeze solution will absorb water vapor in the air, and the latent heat transferred by the condensation of water vapor is usually less than 30% of the heat absorbed by the antifre...

Claims

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Application Information

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IPC IPC(8): F25B29/00F25B41/04F25B41/20
CPCF25B29/006F25B41/20
Inventor 王厉骆菁菁
Owner 河南昊立智能科技有限公司
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