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Measuring method for high-pressure heater heat exchange pipe scour-corrosion experiment

A high-pressure heater, scouring corrosion technology, used in measuring devices, weather resistance/light resistance/corrosion resistance, instruments, etc., can solve the problems of scouring corrosion experiments that have not been officially reported, and shorten the scouring corrosion time, improve the experimental efficiency, The effect of reducing the cost of experiments

Active Publication Date: 2010-11-24
SHANGHAI ELECTRIC POWER GENERATION EQUIPMENT CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Although this study has a further understanding of the erosion corrosion process, and discussed the influence rules and hazards of erosion corrosion, however, domestic and foreign studies on the erosion corrosion experiments of high-pressure heater heat exchange tubes under the conditions of water medium, high temperature and high pressure No official report

Method used

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  • Measuring method for high-pressure heater heat exchange pipe scour-corrosion experiment
  • Measuring method for high-pressure heater heat exchange pipe scour-corrosion experiment
  • Measuring method for high-pressure heater heat exchange pipe scour-corrosion experiment

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Abstract

This invention relates to one high pressure heat exchanger flushing erosion testament measurement method, which is characterized by the measurement in water medium, high speed and temperature and pressure. The method comprises the following steps: firstly flushing testament point selection with speed at 1.9-4.5m / s and temperature as 180-300DEG C and pressure as 2-6MPa, pH value as 7-9.5; Measuring flushing specimen for erosion, surface film, micro organization, flushing front and back different part stress status and rough degree.

Description

Measurement method for erosion corrosion test of high pressure heater heat exchange tube technical field The invention relates to a measurement method for the erosion corrosion test of a high-pressure heater heat exchange tube, in particular to a measurement method for the erosion corrosion experiment of a high-pressure heater heat exchange tube under high temperature and high pressure conditions, which can be used in the field of nuclear power and thermoelectric equipment manufacturing . Background technique Erosion corrosion is a kind of local corrosion with great harm. It is much more serious than simple corrosion and simple mechanical wear. When equipment is subjected to erosion corrosion, it will accelerate the damage of equipment, and the service life of equipment will be greatly shortened. With the increasing investment in the construction of nuclear power plants and thermal power plants at home and abroad, the research on related equipment of nuclear power plants ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N17/00G01N3/56
Inventor 蒋丹刘志祥尹忠慰牛序娟赵建才何克强胡仁海
Owner SHANGHAI ELECTRIC POWER GENERATION EQUIPMENT CO LTD
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