Method for measuring steam-water mismatching amount of steam generator
A technology of a steam generator and a measurement method, which is applied to a mass flow measurement device, an indirect mass flowmeter, etc., can solve the problems of false triggering of equipment action, large deviation of steam flow of the steam generator, deviation of the misfit amount of soda and water, etc. Measurement error, avoid inaccurate flow measurement, the effect of less measurement parameters
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[0026] The measurement method will be described in detail below in conjunction with specific embodiments.
[0027] A method for measuring the steam-water mismatch of a steam generator, comprising the following steps:
[0028] (1) Measure the temperature T of the feed water entering the steam generator FW and feed water flow m FWM , get the actual flow rate m FW .
[0029] Measuring the feed water flow m with an orifice flowmeter FWM , read the actual feed water temperature T from the temperature meter FW . Calculate the actual feed water flow m according to the formula such as (1) FW .
[0030] but m FW = m FWM c ρ 2 T FW 2 + c ρ 1 T FW + ...
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