GAS TREATMENT SYSTEM
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United States of America Patent
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Issued Date -
Jun 13, 2024
app pub date -
Apr 22, 2022
filing date -
Apr 28, 2021
priority date (Note) -
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Abstract
A gas treatment system includes: a main exhaust line for guiding exhaust gas to a detoxification apparatus; a bypass line for guiding the exhaust gas to an emergency detoxification apparatus; an upstream exhaust line; and a three-way valve capable of switching a flow of the exhaust gas from the upstream exhaust line to the main exhaust line or the bypass line, in which the bypass line includes: a gate valve; a gas introduction pipe through which a second gas is introduced; and a pressure gauge configured to detect pressure. When the three-way valve discharges gas to the main exhaust line, in a state where the second gas has been introduced into a closed flow path C between the gate valve and the three-way valve from the gas introduction pipe, internal leakage in the three-way valve is detectable using change in the pressure detected by the pressure gauge.
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