Gas purification device
AssigneeMitsubishi Heavy Industries Engineering, Ltd.
InventorsKaori Yoshida, Rikio Kan, Seiji Kakesako
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Abstract
A gas purification device includes: a converter packed with a catalyst for hydrolyzing both carbonyl sulfide and hydrogen cyanide; an upstream heat exchanger for heat exchange between a gas to be introduced into the converter and a cooling fluid for cooling the gas; a reaction-temperature estimation member for estimating a reaction temperature inside the converter; and a flow-rate adjustment member for adjusting a flow rate of the cooling fluid flowing into the upstream heat exchanger based on an estimated value of the reaction-temperature estimation member to control the reaction temperature.
Claims7
A gas purification device comprising:
- a converter packed with a catalyst for hydrolyzing both carbonyl sulfide and hydrogen cyanide;
- an upstream heat exchanger for heat exchange between a gas to be introduced into the converter and a cooling fluid for cooling the gas;
- a reaction-temperature estimation member for estimating a reaction temperature inside the converter;
- and
- a flow-rate adjustment member for adjusting a flow rate of the cooling fluid flowing into the upstream heat exchanger based on an estimated value of the reaction-temperature estimation member to control the reaction temperature,
- wherein, if a concentration of one of carbonyl sulfide or hydrogen cyanide in the gas increases, the flow-rate adjustment member controls the reaction temperature so as to accelerate hydrolysis reaction of the one of carbonyl sulfide or hydrogen cyanide in the gas having the increased concentration.
Dependencies are inferred from the claim text.