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Ejecting evaporative cooling type air-cooled heat pump unit

An air-cooled heat pump and cooling technology, applied in refrigerators, compressors, mechanical equipment, etc., can solve the problems of high energy consumption, large volume and high manufacturing cost of evaporative cooling and heat pump units, and achieve better cooling effect and reduce The volume of the unit, the effect of reducing the flying water

Pending Publication Date: 2021-09-21
HANRUN UNITED HIGH TECH DEV BEIJING CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] This application aims to solve the problems of the existing evaporative cooling and heat pump units, such as high energy consumption, large volume, high manufacturing cost, serious heating attenuation, and water splashing and drifting in the evaporative cooling environment of the unit.

Method used

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  • Ejecting evaporative cooling type air-cooled heat pump unit
  • Ejecting evaporative cooling type air-cooled heat pump unit
  • Ejecting evaporative cooling type air-cooled heat pump unit

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0096] Such as Figure 16 Shown: Air-cooled ejector cooling mode:

[0097] Refrigerant circulation system: the first four-way valve Q1ob and ai terminals are connected; the second four-way valve Q2ob and ai are connected; the sixth three-way valve T6ao is connected; the third four-way valve Q3oa and bi are connected; The fourteenth two-way valve L14 is closed; the thirteenth two-way valve L13 is opened.

[0098] In the high-pressure refrigerant circuit of the refrigerant cycle, the refrigerant flows through the steam injection port of the compressor 11, the first valve port o and the fourth valve port b of the first four-way valve Q1, and the first valve port o of the second four-way valve Q2. and the fourth valve port b, the air source heat exchanger 22, the second valve port a and the first valve port o of the sixth three-way valve T6 of the rectification module, the first valve port o and the first valve port o of the third four-way valve Q3 Three valve ports a, the thirt...

Embodiment 2

[0113] refer to Figure 19 , air source heat pump conventional heating mode:

[0114] Refrigerant circulation system: the first four-way valve Q1ob and ai are connected; the second four-way valve Q2oa and bi are connected; the third four-way valve Q3ia and bo are connected; the sixth three-way valve T6ao is connected; The thirteenth two-way valve L13 is closed, and the fourteenth two-way valve L14 is opened.

[0115] Refrigerant circulation path: The refrigerant flows through the steam injection port of the compressor 11, the first valve port o and the fourth valve port b of the first four-way valve Q1, the first valve port o and the third valve of the second four-way valve Q2 port a, indoor heat exchanger 41, the second valve port i and third valve port a of the third four-way valve Q3 of the rectification module, the fourteenth two-way valve L14 of the injection module, and the gas-liquid separator 32 The second inlet of the refrigerant, the gaseous refrigerant through the...

Embodiment 3

[0122] refer to Figure 20 , air-cooled heat pump injection heating mode:

[0123] Refrigerant circulation system: the first four-way valve Q1ob and ai are connected; the second four-way valve Q2oa and bi are connected; the third four-way valve Q3ia and bo are connected; the sixth three-way valve T6ao is connected; The thirteenth two-way valve L13 is opened, and the fourteenth two-way valve L14 is closed.

[0124] In the high-pressure refrigerant circuit of the refrigerant cycle, the refrigerant flows through the steam injection port of the compressor 11, the first valve port o and the fourth valve port b of the first four-way valve Q1, and the first valve port o and the second three-way valve Q1. The third valve port a, the indoor heat exchanger 41, the second valve port i and the third valve port a of the third four-way valve Q3 of the rectification module, the thirteenth two-way valve L13 of the injection module, and the injector 31 air inlet, injection port, the first re...

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Abstract

The invention discloses an ejecting evaporative cooling type air-cooled heat pump unit. The unit comprises a refrigerant pump push module, a rectification module, a cold and heat source heat exchanger module, an ejection module and a use side module. According to the unit, an evaporation-cooled refrigeration main machine and a cooling tower are highly integrated, an air-cooled heat exchanger is additionally arranged in an evaporation-cooled unit by taking an air-cooled heat pump module unit as a template, and a brand new machine type, specifically, an air-cooled and evaporation-cooling integrated multi-source cold and hot water module unit integrating the air-cooled heat pump unit and a water-cooled unit, is created. According to the unit, small modularization of a traditional water cooling unit is achieved, meanwhile, the heating function of an air-cooled heat pump of an evaporation cooling unit is expanded, meanwhile, the mechanical efficiency of the heat pump is greatly improved through the air injection ejection technology, and miniaturization of a large unit, integration of freezing and cooling, integration of air cooling and evaporation cooling, diversification of cold sources and heat sources, high efficiency of refrigeration and heating and convenience in installation, operation and maintenance can be achieved.

Description

technical field [0001] The invention relates to the field of heat exchangers, in particular to an ejection evaporative cooling type air-cooled heat pump unit. Background technique [0002] The existing evaporative cooling and heat pump units use water as the cooling medium for refrigeration, and the use of latent heat of water plus sensible heat exchange can make the refrigerant obtain a lower condensation temperature than water cooling, especially air cooling, so it has higher cooling efficiency; When it is hot, air is used as the heat source, which avoids the problem of low heating efficiency or no heating at all for water-cooled units, including evaporative cooling units. [0003] However, because the existing evaporative cooling and heat pump units are co-operated with the cold source heat exchanger (ie, the evaporative cooling heat exchanger) and the heat source heat exchanger (ie, the air-cooled heat exchanger), not only the size of the existing unit is large, but also...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F25B13/00F25B41/20F25B41/31F25B41/40
CPCF25B13/00F25B41/20F25B41/31F25B41/40F25B2313/027
Inventor 李国斌李一杰耿坤黄粟
Owner HANRUN UNITED HIGH TECH DEV BEIJING CO LTD
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