Heat shock flash evaporation circulation rising film heat exchange test system and test method

By designing a thermal flash evaporation circulating rising film heat transfer test system, integrating a measurement and control system and high-speed camera equipment, the problem of existing technologies being unable to adapt to thermal flash evaporation circulating rising film testing was solved. This enabled accurate parameter acquisition and model building, supporting the study of technical mechanisms and equipment optimization.

CN122108662AActive Publication Date: 2026-05-29TIANJIN LEKE ENERGY SAVING TECH CO LTD +1
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Patent Information

Application Number
CN202610570396.6
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-04-28
Publication Date
2026-05-29
Estimated Expiration
2046-04-28

AI Technical Summary

Technical Problem

Existing technologies lack dedicated testing systems for thermal flash evaporation circulating rising film heat transfer, making it impossible to acquire accurate experimental data and meet the performance testing requirements of thermal flash evaporation circulating rising film technology.

Method used

A thermally stimulated flash evaporation circulating rising film heat exchange test system was designed, including heat exchange tubes, vapor-liquid separator, condenser, metering tank, vacuum pump, liquid storage tank, thermally stimulated heater, throttling valve, measurement and control system, and high-speed camera. Through cold model testing, thermally stimulated flash evaporation rising film testing, and system performance testing, the integrated measurement and control system and high-speed camera equipment realize the full-process testing of vapor-liquid ratio control, superheated water flash evaporation, and in-tube throttling.

Benefits of technology

It achieves precise acquisition of multi-dimensional parameters, records the evolution of flow patterns inside the pipe, verifies the promoting effect of thermal flash evaporation on the formation of circulating rising film, determines key parameters, and constructs a mathematical model, providing precise experimental testing support for the mechanism research and equipment design optimization of thermal flash evaporation circulating rising film heat exchange technology.

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Abstract

The invention relates to a heat shock flash evaporation circulation rising film heat exchange test system which comprises a heat exchange tube, a vapor-liquid separator, a condenser, a metering barrel, a vacuum pump, a liquid storage tank, a heat shock heater, a throttling valve, a measurement and control system and a high-speed camera. A secondary steam outlet of the steam-liquid separator is communicated with a heat medium side inlet of the condenser, a heat medium side outlet of the condenser is respectively communicated with the metering barrel and the liquid storage tank, a concentrated solution outlet of the steam-liquid separator is communicated with the liquid storage tank, an outlet of the metering barrel is communicated with the liquid storage tank, and the vacuum pump is communicated with the liquid storage tank. The liquid storage tank is communicated with the heat shock heater, the heat shock heater is communicated with the heat exchange tube, and the throttle valve is arranged between the heat shock heater and the heat exchange tube; and the high-speed camera is arranged on one side of the heat exchange tube. According to the invention, the experimental test of the heat shock flash evaporation circulation rising film heat exchange technology can be realized, and support is provided for mechanism research and equipment optimization of the heat shock flash evaporation circulation rising film heat exchange technology.
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