| Ni45Cr17Al镍基合金在焚硫炉测温装置上的应用 |
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| 引用本文： | 杨海东.Ni45Cr17Al镍基合金在焚硫炉测温装置上的应用[J].硫酸工业,2014(3):57-60. |
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| 作者姓名： | 杨海东 |
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| 作者单位： | 威顿达州化工有限责任公司,四川达州635000 |
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| 摘 要： | 主要介绍了硫磺制酸中几种焚硫炉测温热电偶的材质及使用情况,分析了热电偶易发生故障的原因。通过对几种材料的应用实践,选用镍基高温变形合金材料(Ni45Cr17Al)作保护套管,很好地解决了焚硫炉测温热电偶易坏问题。该热电偶可准确测量焚硫炉温度,为装置长周期稳定运行提供了保障。
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| 关 键 词： | 焚硫炉 热电偶 高温 腐蚀 镍基合金 应用 |
Application of Ni-based alloy Ni45Cr17Al in temperature detection devices for sulphur furnace |
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| YANG Haidong.Application of Ni-based alloy Ni45Cr17Al in temperature detection devices for sulphur furnace[J].Sulphuric Acid Industry,2014(3):57-60. |
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| Authors: | YANG Haidong |
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| Affiliation: | YANG Haidong (Wylton Dazhou Chemical Co., Ltd. ,Dazhou, Sichuan,635000, China) |
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| Abstract: | Materials and service conditions of several kinds of temperature thermocouples for sulphur furnace in sulphur-burning sulphuric acid production are described, and reasons of failure in thermocouples are analyzed. Through application and practice of several materials, high temperature deformation Ni-based alloy（Ni45Cr17A1） was applied to protective casing pipe, thus avoiding breakdown of temperature thermocouples for sulphur furnace. Accurately measuring temperature in sulphur furnace, temperature detection devices ensured plants run long-term steadily. |
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| Keywords: | sulphur furnace thermocouple high temperature corrosion Ni-based alloy application |
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