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高温熔盐压力变送器设计与热仿真分析

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压力变送器是工业应用中最为常用的一种压力传感器,广泛用于流量、液位和压力的测量.目前国内外耐高温的远传压力变送器极端工作温度条件为370℃,耐高温熔盐压力变送器测量介质是熔点为580℃的具有一定腐蚀性的NaCl熔盐,传统的远传式高温压力变送器在耐高温方面不能满足测量要求.本高温熔盐压力变送器在传统远传式压力变送器的基础上,进行结构优化设计,包括变送器本体设计和远传装置设计,以及电路可靠性设计,利用热仿真分析验证此方案设计的可行性.经过仿真分析,验证本方案结构设计可行,达到了较好的耐热和散热效果,可应用于高温熔盐的压力测量.
Design and thermal simulation analysis of high temperature molten salt pressure transmitter
Pressure transmitters are one of the most commonly used pressure sensors in industrial ap-plications and are widely used for flow,level,and pressure measurements.At present,the extreme work-ing temperature condition of the high-temperature resistant remote pressure transmitter at home and abroad is 370℃,and the measurement medium of the high-temperature molten salt pressure transmitter is NaCl molten salt with a certain corrosiveness with a melting point of 580℃.On the basis of the tradi-tional remote pressure transmitter,the structure of this high-temperature molten salt pressure transmitter is optimized,including the design of the transmitter body and the design of the remote transmission de-vice,as well as the circuit reliability design,and the feasibility of the design of this scheme is verified by thermal simulation analysis.Through simulation analysis,it is verified that the structural design of the scheme is feasible,and the heat resistance and heat dissipation effects are good,and it can be applied to the pressure measurement of high-temperature molten salt.

high-temperature molten saltpressure transmitterssensorremote transmission de-vicethermal simulation analysis

秦军、马艳平、孔祥剑、杨梅

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西仪股份有限公司,陕西 西安 710082

高温熔盐 压力变送器 传感器 远传装置 热仿真分析

2024

工业仪表与自动化装置
陕西鼓风机(集团)有限公司

工业仪表与自动化装置

CSTPCD
影响因子:0.393
ISSN:1000-0682
年,卷(期):2024.(6)