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AN ALL WORKING CONDITION CONTINUOUSLY MEASURING LIQUID LEVEL METER FOR A STEAM DRUM OF A BOIL AND THE LIQUID LEVEL COMPUTING METHOD THEREOF.
AN ALL WORKING CONDITION CONTINUOUSLY MEASURING LIQUID LEVEL METER FOR A STEAM DRUM OF A BOIL AND THE LIQUID LEVEL COMPUTING METHOD THEREOF.
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机译:在所有工作条件下连续测量锅炉蒸汽桶的液位计的方法及其液位计算方法。
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摘要
A type of liquid level gauge for continuous measurement of a boiler steam drum under all conditions and its method for calculation of liquid level, the liquid level gauge includes a metal measurement tube and a transmitter. The steam-side pipe connected to the steam drum is fitted on the upper part of the metal measurement tube and the water-side pipe connected to the steam drum is fitted on the lower part of the metal measurement tube, an insulated jacket pipe is provided inside the metal measurement tube and a 1# probe, a 2# probe, and a 3# probe are mounted from bottom to top inside the insulated jacket pipe. The respective probes are mutually insulated and not conducted. The three probes are respectively connected with the transmitter through lead wires of the probes. This liquid level gauge is able to monitor the water and steam dielectric constants in a real-time manner, and the liquid level values can be outputted accurately in a continuous way with the liquid level gauge for a boiler steam drum designed according to this invention in all cases, no matter if the boiler is under the startup, shutdown, or joint discharge status, etc, thus to achieve the function for a continuous measurement of liquid level under all conditions.
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