High-temperature steam oxidation test device

A technology of oxidation test and high-temperature steam, which is applied in the direction of measuring devices, instruments, scientific instruments, etc., can solve the problems of inapplicability of anti-oxidation methods and few means of oxide peeling

Pending Publication Date: 2019-08-16
THERMAL POWER TECH RES INST OF CHINA DATANG CORP SCI & TECH RES INST
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Problems solved by technology

[0005] At present, there are relatively many studies on the oxidation mechanism of pipelines at home and abroad, and there are also many studies on methods to improve the oxidation resistance of pipeline materials, but

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Embodiment Construction

[0023] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0024] see Figure 1-2 , the present invention provides a technical solution: a high-temperature steam oxidation test device, comprising a deoxygenated water tank 1, a feed water tank 2, an evaporator 3, an electric furnace 4, a condenser 5, a circulating water tank 6, a water pump 14, a metering pump 21, a circulation Water pump 27 and several valves 17 and pipeline, the upper end of described oxygen-removing water tank 1 communicates with vacuum pump 8 and vacuum...

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Abstract

The invention discloses a high-temperature steam oxidation test device in the technical field of oxidation test devices, and the high-temperature steam oxidation test device comprises a deoxygenationwater tank, a water supply tank, an evaporator, an electric furnace, a condenser, a circulating water tank, a water pump, a metering pump, a circulating water pump, a plurality of valves and pipelines, wherein the upper end of the deoxygenation water tank is also connected with a water replenishing port through the pipelines and the valves arranged on the pipelines; a deoxygenation pipe is arranged in the evaporator; a test bin is arranged in the electric furnace; a plurality of samples subjected to different treatment processes are placed in the electric furnace of the high-temperature steamoxidation test device; and data of oxidation tests at different temperatures are obtained by changing the test temperature. According to the oxidation test results of the samples treated by differentprocesses under the same parameter condition, the oxidation resistance of the materials can be compared, the difference of different surface treatment processes of each pressure-bearing parts of the samples on the oxidation resistance can be analyzed, the process for changing the oxidation resistance of each sample is provided, and the process can be practically realized in engineering.

Description

technical field [0001] The invention relates to the technical field of oxidation test devices, in particular to a high-temperature steam oxidation test device for simulating the service state of steam circulation components in a thermal power plant. Background technique [0002] In view of my country's current resource status and the fact that coal occupies a very important proportion in the energy production and consumption structure, high-efficiency, high-parameter supercritical (SC) and ultra-supercritical (USC) thermal power units are the main direction of thermal power development. Supercritical ( SC) and ultra-supercritical (USC) coal-fired power generation technologies are relatively mature and widely used clean combustion technologies in the world. In view of the current level of thermal power generation technology in the world, continuous improvement of unit steam parameters is the main way to improve the efficiency of thermal power plants, that is, increasing steam ...

Claims

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Application Information

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IPC IPC(8): G01N17/00
CPCG01N17/00
Inventor 张新马志宝张坤高大伟刘永超
Owner THERMAL POWER TECH RES INST OF CHINA DATANG CORP SCI & TECH RES INST
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