Method and apparatus for temperature control in a reactor vessel
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United States of America Patent
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Apr 26, 2016
Grant Date -
Jun 16, 2011
app pub date -
Jan 19, 2011
filing date -
Jul 24, 2008
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A method and apparatus for controlling a temperature within a reactor vessel such as an autoclave operating at elevated temperature and pressure. The apparatus includes a preheating vessel for preheating a feed material such as an aqueous slurry. The preheating vessel forms part of a preheating control system providing the primary means of temperature control within the reactor vessel. The apparatus also comprises secondary means for heating and cooling the reactor. Feed material temperature is increased or decreased by the preheating control system, based on the reactor temperature. Where the preheating control system is at or near its capacity for heating or cooling, the secondary heating or cooling means is activated to bring the reactor temperature within an optimum range.
First Claim
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International Classification(s)
- C22B:PRODUCTION OR REFINING OF METALS
- F24J:PRODUCTION OR USE OF HEAT NOT OTHERWISE PROVIDED F....
- F27B:FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPE....
- G05D:SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC....
- F27D:DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, ....
- C01G:COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLAS....
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