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Double-jet refrigerating system

A refrigeration system and ejector technology, applied in refrigerators, refrigeration components, refrigeration and liquefaction, etc., can solve the problems of poor economy, low refrigeration coefficient, small space occupation, etc., and achieve the goal of increasing pressure, reducing moving parts, and saving electric energy Effect

Inactive Publication Date: 2010-09-01
DALIAN UNIV OF TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The traditional single-jet refrigeration system has a compact structure, takes up little space, and can use low-temperature heat sources such as solar energy or factory production waste heat; but the defects of low refrigeration coefficient and poor economy limit its further promotion and development

Method used

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Embodiment Construction

[0012] The specific embodiments of the present invention will be described in detail below in conjunction with the technical solutions and accompanying drawings.

[0013] A steam-liquid ejector 2 is added to the traditional single-jet refrigeration system, and the working steam at the outlet of the generator 4 is divided into two paths, which are respectively connected to the working steam inlet port of the steam-vapor ejector 5 and the working steam of the vapor-liquid ejector 2. Steam inlet port connection. The outlet end of the condenser 7 is connected to the expansion valve 8 and the injection port of the vapor-liquid injector 2 in two ways. The outlet of the evaporator 6 is connected with the injection port of the steam-steam injector 5 through a pipeline. The outlet fluid of the vapor-liquid injector 2 flows back to the generator 4 through the pipeline.

[0014] The driving heat source of the present invention comes from the hot water produced by the hot water preparat...

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Abstract

The invention discloses a double-jet refrigerating system, belonging to the technical filed of energy and refrigeration. The system is characterized by replacing a mechanical pump with a steam-liquid injector on the basis of a traditional single jet refrigerating system. The outlet end of a generator 4 is respectively connected with the working steam inlet end of a steam-steam injector 5 and the working steam inlet end of the steam-liquid injector 2 through pipelines. The outlet end of a condenser 7 is divided into two paths to respectively connect with an expansion valve 8 and the injection port of the steam-liquid injector 2. The outlet of an evaporator 6 is connected with the injection port of the steam-steam injector 5. The fluid at the outlet of the steam-liquid injector 2 flows back to the generator 4 through pipelines. The invention has the effects and benefits of reducing moving parts, avoiding the cavitation corrosion problem of the mechanical pump and saving electric energy.

Description

technical field [0001] The invention belongs to the fields of energy technology and refrigeration technology, in particular to a double-jet refrigeration system capable of fully utilizing solar energy or production waste heat of factories. Background technique [0002] At present, known refrigeration systems mainly include lithium bromide absorption refrigeration, air refrigeration, vapor compression refrigeration and traditional single-stage injection refrigeration and other refrigeration systems. These systems have been widely used in daily production and life, but there are certain drawbacks and deficiencies. Lithium bromide absorption refrigeration system can be applied to waste heat recovery to achieve energy saving; however, lithium bromide solution has a corrosive effect on pipelines in the presence of air, so regular vacuum maintenance of the system is required, and cooling water and chilled water pipelines should be cleaned in time to prevent Line blocked. Air ref...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F25B23/00F25B27/02F25B41/00
CPCY02A30/274
Inventor 张博梁家鼎沈胜强
Owner DALIAN UNIV OF TECH
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