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    • 1. 发明申请
    • SILICA INHIBITION AND BLOWDOWN EVAPORATION (SIBE) PROCESS
    • 二氧化硅抑制和喷雾蒸发(SIBE)工艺
    • WO2009071981A2
    • 2009-06-11
    • PCT/IB2008/003335
    • 2008-10-14
    • TOTAL S.A.PEDENAUD, PierreMICHAUD, Philippe
    • PEDENAUD, PierreMICHAUD, Philippe
    • F22D11/006C02F1/42C02F5/145C02F2103/023C02F2103/10
    • The invention relates to a method for producing steam comprising: - providing feedwater containing silica; - supplying the feedwater to a boiler; - generating steam and a liquid blowdown in the boiler; - adding an inhibitor of silica deposition to the feedwater prior to supplying the feedwater to the boiler; - treating at least part of the liquid blowdown to produce a diluent water stream; - adding at least part of the diluent water stream to the feedwater before it is supplied to the boiler; - wherein the silica content of the diluent water stream is below the silica content of the feedwater to which it is added. The invention also relates to an installation adapted for implementing this method as well as to a method for extracting hydrocarbons from a subterranean formation making use of this method.
    • 本发明涉及一种生产蒸汽的方法,包括: - 提供含二氧化硅的给水; - 将给水供应给锅炉; - 在锅炉中产生蒸汽和液体排污; - 在将给水供应给锅炉之前,将二氧化硅沉积抑制剂加入给水中; - 处理至少部分液体排污以产生稀释剂水流; - 在供给到锅炉之前,将至少部分稀释水流加入给水中; - 其中稀释剂水流的二氧化硅含量低于其加入的给水的二氧化硅含量。 本发明还涉及一种适于实施该方法的装置以及利用该方法从地层中提取碳氢化合物的方法。