Device for high-temperature sulfidation attack experiment of material
A high-temperature vulcanization and corrosion test technology, applied in measurement devices, analytical materials, weather resistance/light resistance/corrosion resistance, etc., can solve the problems of high production cost, complicated equipment, inability to compare multiple samples, and achieve convenient operation. , low cost and simple structure
Inactive Publication Date: 2010-07-21
CENT SOUTH UNIV
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Problems solved by technology
However, the equipment is complicated, the production cost is high, and only one sample can be measured at a time, and the comparison of multiple samples in the same environment cannot be realized, especially for some pure metals that are sensitive to the sulfide environment, such as pure nickel, etc.
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[0016] The present invention is described in detail below in conjunction with accompanying drawing.
[0017] refer to figure 1 The stainless steel container 1 with the cover plate 2 is provided with a stainless steel bracket 10, a stainless steel heat insulation layer 11 is placed on the top of the stainless steel bracket 10, and a stainless steel tube for hanging samples is arranged below the stainless steel heat insulation layer 11 on the stainless steel bracket 10. Wire hook 17, a certain quality of elemental sulfur 9 is placed at the bottom of the stainless steel container 1, in order to ensure the tightness of the container, there is a leather gasket coated with vacuum grease between the cover plate 2 and the stainless steel container 1, and the stainless steel container 1 passes through the rubber pipe 16 links to each other with argon gas bottle 15 and vacuum pump 12, is provided with buffer bag 14 on the outlet pipeline of argon gas bottle 15, and the outlet of vacuum ...
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The invention discloses a device for the high-temperature sulfidation attack experiment of materials. A support is arranged in a container with a cover plate (2). Fine wire hooks used for hanging samples are arranged on the support. A certain amount of elemental sulfur (9) is placed at the bottom end of the container. The container is connected with a vacuum system and an argon inflation system. A heating system is arranged in a heating way corresponding to the fine wire hooks arranged in the container and used for hanging samples. One another heating system is arranged in a heating way corresponding to the elemental sulfur (9) placed at the bottom end of the container. The invention has the advantages that the structure is simple, the manufacturing cost is low, the operation is simple, the experiment can be conducted to a plurality of samples, the sulfur pressure can be freely controlled and the device is suitable for sulfidation experiments in the elemental sulfur atmosphere below 1000 DEG C.
Description
technical field [0001] The invention relates to a device for testing the corrosion resistance of materials, in particular to a high-temperature sulfide corrosion test device for materials. Background technique [0002] High-temperature vulcanization of metal materials generally occurs in equipment that uses fossil fuels and energy conversion, involving modern industries such as aviation, petrochemicals, thermal power generation, and coal gasification. The high-temperature vulcanization rate of metal is much faster than its oxidation rate, which is very harmful. [0003] In order to study the high-temperature vulcanization mechanism of metals, it is necessary to measure the corrosion kinetics of metals in a high-temperature sulfur atmosphere in a specific vulcanization experimental device. There are generally two types of high-temperature sulfur environments realized in experimental devices, one is the volatilization of solid elemental sulfur, and the sulfur pressure can be ...
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IPC IPC(8): G01N17/00
Inventor 刘志坚王辉黄海锋
Owner CENT SOUTH UNIV