A high-temperature working fluid heat transfer test system and method using heat-conducting oil as the thermal fluid
A high-temperature working fluid and heat exchanger test technology, applied in nuclear engineering, greenhouse gas reduction, nuclear reactor monitoring, etc., can solve problems such as poor fluidity, easy solidification, and inapplicability
Inactive Publication Date: 2017-06-20
XI AN JIAOTONG UNIV +1
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Problems solved by technology
However, high-temperature molten salt has poor fluidity and immature physical parameters. It has poor fluidity and is easy to solidify at a temperature of 280°C. It is not suitable for heat transfer tests at temperatures below 300°C.
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[0035] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0036] Such as figure 1 As shown, a high-temperature working medium heat exchange test system using heat transfer oil as a thermal fluid in the present invention includes a circuit connected in series with the side channel of the shell 101 of the heat exchanger test piece 10 to provide high-temperature test working medium for the test, The high-temperature heat transfer oil secondary circuit that provides the heat source for the test is connected in series with the inlet and outlet header tank 103 of the heat exchanger test piece 10, and the high-temperature heat transfer oil secondary circuit that provides the heat source for the test is connected in series with the cold fluid side of the heat exchanger. The third circuit of the cold well that cools the secondary circuit of high-temperature heat transfer oil.
[0037] Such as figu...
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A high-temperature working medium heat exchange test system and method using heat-conducting oil as the thermal fluid, the system includes a primary circuit that provides high-temperature test working medium for the test, and a heat-exchange The high-temperature heat transfer oil secondary circuit that provides heat source for the test is connected in series with the inlet and outlet header tanks of the test piece, and the cooling high-temperature heat transfer oil secondary circuit that is connected in series with the cold fluid side of the heat exchanger of the high-temperature heat transfer oil secondary circuit that provides heat source for the test The cold well three circuits of the circuit; the present invention also discloses the test method; the present invention can meet the requirement of heat exchange of high-temperature working medium flowing in the heat exchanger equipment, especially the shell-and-tube heat exchanger, in the field of thermal hydraulic verification test of nuclear reactor engineering. It has the advantages of simple structure, convenient operation, easy and precise control of temperature and flow, low pressure heating system, safety and economy, and applicable temperature above 200°C and below 350°C.
Description
technical field [0001] The invention relates to a test method and system for heat transfer characteristics of high-temperature working fluid flowing in reactor system equipment in the technical field of nuclear reactor engineering thermal-hydraulic verification test research, in particular to a high-temperature working fluid exchange using heat-conducting oil as a thermal fluid. Thermal testing system and method. Background technique [0002] In the steam generator and the steam-water separation reheater of the nuclear reactor system, the working medium inside and outside the tube is under high temperature conditions. Around 280°C. In order to meet the increasing safety and reliability requirements of nuclear power system equipment, the verification test level of nuclear reactor thermal hydraulic system equipment also needs to be guaranteed and improved accordingly. In order to study the flow and heat transfer characteristics of the high-temperature working fluid outside t...
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IPC IPC(8): G21C17/00G21C17/022
CPCG21C17/00G21C17/022Y02E30/30
Inventor 田文喜蔚江涛苏光辉秋穗正刘镝郑美银张魁刘亚庆
Owner XI AN JIAOTONG UNIV