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    • 4. 发明授权
    • Method for cleaning a steam generator
    • 清洁蒸汽发生器的方法
    • US4769085A
    • 1988-09-06
    • US925176
    • 1986-10-31
    • Johannes Booij
    • Johannes Booij
    • B08B3/02B08B9/053F22B37/48F28G15/04B08B5/04
    • F28G15/04B08B3/02F22B37/483
    • Through two accesses lying substantially opposite one another, above the bottom of the steam generator, a high-pressure lance carrying at its end a spray head, is brought between bundle portions of a U-shaped pipe bundle. The two lances are simultaneously intermittently shifted and between the shiftings, when the spray heads may spray between the rows of the pipe bundle, the heads are swung to-and-fro over 180.degree.. At least during said swinging, liquid is sprayed through said heads under a pressure higher than 170 bars and with a total flow rate for the two spray heads of more than 150 liters per minute. The used liquid is sucked away from the bottom with a total sucking capacity which is markedly higher than said flow rate.
    • 通过在蒸汽发生器底部之上大致相对的两个通道,在其端部承载有喷头的高压喷枪被带到U形管束的束部之间。 两个喷枪同时间歇地移动,并且在移动之间,当喷头可能在管束的行之间喷射时,头部在180度上摆动。 至少在所述摆动期间,液体在高于170巴的压力下喷射通过所述头部,并且两个喷头的总流速为每分钟超过150升。 所使用的液体从底部吸出,总吸油量明显高于所述流速。
    • 5. 发明授权
    • Method for cleaning with high pressure an evaporator and device used
thereby
    • 用于高压清洗蒸发器的方法和由此使用的装置
    • US4756769A
    • 1988-07-12
    • US4245
    • 1987-01-05
    • Johannes Booij
    • Johannes Booij
    • B01D1/30B08B9/093B08B9/00
    • B01D1/30B08B9/0936
    • The spaces into which the vessel is divided by means of horizontal perforated partions are successively cleaned from top to bottom. Firstly the uppermost space is cleaned: the cover of the access to the space is removed, through the access a high-pressure lance is equipped with a spray head comprising a body rotatable about the lance axis and spray arms rotatably mounted on said body and liquid is sprayed with a pressure lying between 35 and 50 MPa. Then the middle space is cleaned: the cover of the access to the space is removed, through the access a high-pressure lance is equipped with a fixed spray head provided with spray openings directed in various directions and liquid is sprayed with a pressure lying between 50 to 70 MPa. Finally the lowermost space is cleaned in the same way as the uppermost space. The cleaning liquid is discharged through the outlet in the vessel bottom.
    • 通过水平穿孔部分将容器分开的空间从上到下连续地清洁。 首先清洁最上面的空间:去除对空间的通路的盖子,通过通道,高压喷枪配备有喷头,喷头包括可围绕喷枪轴线旋转的主体和可旋转地安装在所述主体和液体上的喷射臂 在35至50MPa之间的压力下喷雾。 然后中间空间被清洁:取出空间的通道的盖子通过高压喷枪配备有固定的喷头,其具有指向各个方向的喷射开口,液体喷射在压力介于 50〜70MPa。 最后,最上面的空间以与最上面的空间相同的方式进行清洁。 清洗液通过容器底部的出口排出。
    • 6. 发明授权
    • Method for cleaning a steam generator
    • 清洁蒸汽发生器的方法
    • US4620881A
    • 1986-11-04
    • US609802
    • 1984-05-14
    • Johannes Booij
    • Johannes Booij
    • B08B3/02B08B9/023F22B37/48F28G15/04B08B5/04
    • F28G15/04B08B3/02F22B37/483
    • Through two accesses lying substantially opposite one another, above the bottom of the steam generator, a high-pressure lance carrying at its end a spray head, is brought between the pipes of the pipe bundle. The two lances are simultaneously intermittently shifted inwards or outwards and between the shiftings, when the spray heads may spray between the rows of the pipe bundle, the lances are swung to-and-fro over 180.degree.. At least during said swinging, liquid is sprayed through said heads under a pressure higher than 200 bars and with a total flow rate for the two spray heads of more than 200 liters per minute. The used liquid is sucked away from the bottom with a total sucking capacity which is markedly higher than said flow rate.
    • 通过两个彼此相对的通道,位于蒸汽发生器底部的上方,在管束的管道之间带有一个高压喷枪,其端部带有喷头。 两个喷枪同时间断地向内或向外移动,并且在喷头之间可能在管束排之间喷洒时,喷枪在180度左右摆动。 至少在所述摆动期间,液体在高于200巴的压力下喷射通过所述头部,并且两个喷头的总流速大于每分钟200升。 所使用的液体从底部吸出,总吸油量明显高于所述流速。