To suppress damage caused by back-fire and deposition of a sulfur content.SOLUTION: An exhaust heat recovery system 40 includes a funnel forming a flow channel through which an exhaust gas is circulated, a second-stage heat exchanger 43 disposed in the flow channel, a third-stage heat exchanger 44 disposed at a downstream side in an exhaust gas flowing direction with respect to the second-stage heat exchanger 43 in the flow channel, a low-pressure line 52 connectable with the second-stage heat exchanger 43 and the third-stage heat exchanger 44 so that prescribed flow is constantly circulated, a water supply line 53 connectable with the third-stage heat exchanger 44, and a switch portion 60 for switching a connection state of the low-pressure line 52 and the water supply line 53 between a first state in which the low-pressure line 52 is connected to the second-stage heat exchanger 43 and the water supply line 53 is connected to the third-stage heat exchanger 44, and a second state in which the low-pressure line 52 is connected with the second-stage heat exchanger 43 and the third-stage heat exchanger 44.SELECTED DRAWING: Figure 3

    【課題】バックファイヤや硫黄分の析出による損傷を抑える。【解決手段】排熱回収システム40は、排ガスが流通する流路を形成するファンネルと、流路内に設けられた第2段熱交換器43と、流路内における第2段熱交換器43よりも排ガスの流れ方向下流側に設けられた第3段熱交換器44と、第2段熱交換器43と第3段熱交換器44とに接続可能とされ、所定の流量が定常的に流通する低圧ライン52と、第3段熱交換器44に接続可能とされた給水ライン53と、低圧ライン52が第2段熱交換器43に接続されるとともに給水ライン53が第3段熱交換器44に接続された第1状態と、低圧ライン52を第2段熱交換器43と第3段熱交換器44とに接続した第2状態との間で低圧ライン52及び給水ライン53の接続状態を切り替える切替部60と、を備える。【選択図】図3


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    Titel :

    EXHAUST HEAT RECOVERY SYSTEM, AND SHIP


    Weitere Titelangaben:

    排熱回収システム、船舶


    Beteiligte:
    KUWAHATA KAZUSHI (Autor:in) / KUROEDA SHINYA (Autor:in) / YAMADA DAISUKE (Autor:in)

    Erscheinungsdatum :

    2019-12-19


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    F01N GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL , Schalldämpfer oder Auspuffvorrichtungen für Gase von Kraft- und Arbeitsmaschinen oder von Kraftmaschinen allgemein / B63H Schiffsantrieb oder Steuerung der Schiffe , MARINE PROPULSION OR STEERING / F01K STEAM ENGINE PLANTS , Dampfkraftanlagen / F28F Einzelheiten von Wärmetauschern oder Wärmeübertragungsvorrichtungen für allgemeine Verwendung , DETAILS OF HEAT-EXCHANGE OR HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION



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