A gas-analyzing system for analyzing a gas component, including an analyzing apparatus which comprises: a collecting nozzle configured to collect a to-be-analyzed gas; a liquid collecting unit configured to collect a liquid component contained in the to-be-analyzed gas collected by the collecting nozzle and to allow the to-be-analyzed gas to pass therethrough, wherein the liquid collecting unit includes a separating and collecting unit configured to separate the liquid component contained in the to-be-analyzed gas and to allow the to-be-analyzed gas to pass therethrough, and wherein the collecting nozzle has an injection opening configured to inject the to-be-analyzed gas toward the liquid collecting unit ; a liquid discharging unit including a discharge pipe configured to discharge the liquid component collected by the liquid collecting unit ; and an analyzing unit configured to analyze a gas component of the to-be-analyzed gas that has passed through the liquid collecting unit ; wherein the gas-analyzing system further includes a flue ; characterized in that the separating and collecting unit includes a separating plate opposing the injection opening of the collecting nozzle , wherein the separating plate includes a plate-like portion positioned so as to oppose the injection opening and a gas flow hole surrounding the plate-like portion ; the liquid collecting unit further includes a collecting case enclosing therein the separating and collecting unit and the injection opening of the collecting nozzle , wherein the discharge pipe is configured to discharge the liquid component outside the collecting case ; and wherein the collecting nozzle of the analyzing apparatus is configured to collect the to-be-analyzed gas passing through the flue , and wherein the discharge pipe of the analyzing apparatus is configured to discharge the liquid component into the flue . a collecting nozzle configured to collect a to-be-analyzed gas; a liquid collecting unit configured to collect a liquid component contained in the to-be-analyzed gas collected by the collecting nozzle and to allow the to-be-analyzed gas to pass therethrough, wherein the liquid collecting unit includes a separating and collecting unit configured to separate the liquid component contained in the to-be-analyzed gas and to allow the to-be-analyzed gas to pass therethrough, and wherein the collecting nozzle has an injection opening configured to inject the to-be-analyzed gas toward the liquid collecting unit ; a liquid discharging unit including a discharge pipe configured to discharge the liquid component collected by the liquid collecting unit ; and an analyzing unit configured to analyze a gas component of the to-be-analyzed gas that has passed through the liquid collecting unit ; wherein the gas-analyzing system further includes a flue ; the separating and collecting unit includes a separating plate opposing the injection opening of the collecting nozzle , wherein the separating plate includes a plate-like portion positioned so as to oppose the injection opening and a gas flow hole surrounding the plate-like portion ; the liquid collecting unit further includes a collecting case enclosing therein the separating and collecting unit and the injection opening of the collecting nozzle , wherein the discharge pipe is configured to discharge the liquid component outside the collecting case ; and wherein the collecting nozzle of the analyzing apparatus is configured to collect the to-be-analyzed gas passing through the flue , and wherein the discharge pipe of the analyzing apparatus is configured to discharge the liquid component into the flue . <EOS>