Chemical apparatus and process disinfecting – deodorizing – preser – Analyzer – structured indicator – or manipulative laboratory... – Automatic analytical monitor and control of industrial process
Patent
1991-03-11
1993-03-02
Housel, James C.
Chemical apparatus and process disinfecting, deodorizing, preser
Analyzer, structured indicator, or manipulative laboratory...
Automatic analytical monitor and control of industrial process
422111, 7386104, 429 22, G01N 2566
Patent
active
051907267
ABSTRACT:
An apparatus for measuring the flow rate of water vapor in a process gas including steam includes a sample system having a dew point meter and a pressure meter, and an inert gas supply device for mixing an inert gas with a process gas in the sample system. The process gas comprises a first gas, such as natural gas, and steam. A partial pressure calculating unit calculates the partial pressure of the water vapor contained in the gas mixture on the basis of the dew point of the mixture measured by the dew point meter and the pressure measured by the pressure meter. A flow rate calculating unit calculates the flow rate of the steam contained in the process gas on the basis of the water vapor partial pressure, the inert gas flow rate, and the flow rate of the first gas in the process gas.
REFERENCES:
patent: 3585078 (1971-06-01), Sederquist
patent: 3898882 (1975-08-01), Prokopius
patent: 3961986 (1976-06-01), Waldman
patent: 4722873 (1988-02-01), Matsumura
patent: 4759637 (1988-07-01), Baillie
patent: 4843867 (1989-07-01), Cummings
patent: 4946288 (1990-08-01), Siska et al.
MBW Dew-point Measuring Instrument DP4-D-B/C, Oct. 1985 "Process Keisoku Seigyo Binnran", Nikkan Kogyo Shinbunsha, Nov. 25, 1970.
Matsumoto Shuichi
Sasaki Akira
Shinoki Toshio
Housel James C.
Ludlow Jan M.
Mitsubishi Denki & Kabushiki Kaisha
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