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201 条记录 (耗时 0.012 秒)

    Method for removing sludge and deposits from the interior of a heat exchanger vessel
    112.
    发明公开
    Method for removing sludge and deposits from the interior of a heat exchanger vessel 失效
    用于从热交换器容器的内部除去污泥和存款方法。

    公开(公告)号：EP0484042A1

    公开(公告)日：1992-05-06

    申请号：EP91309816.6

    申请日：1991-10-23

    申请人： WESTINGHOUSE ELECTRIC CORPORATION

    发明人： Baum, Allen Jay ,  King, William Edward ,  Auld, Gregg Daniel

    IPC分类号： F22B37/48 ,  F28G7/00 ,  F28G9/00

    CPC分类号： F22B37/483

    摘要： Method for removing sludge and deposits (32) from the interior of a heat exchanger vessel (1). The method includes the steps of filling the interior of the secondary side (5) of the heat exchanger vessel (1) with an aqueous solution of a cleaning agent formed from at least one of the group consisting of surfactants, dispersants, thixotropes and flotation agents, recirculating the aqueous solution within the secondary side (5) while simultaneously filtering it to remove sludge and deposits (32) entrained within the solution, and draining the aqueous solution from the secondary side (5) while continuously introducing a succession of pressurized pulses of gas into the solution during the filling, recirculation and draining steps in order to create shock waves in the solution which loosen and fluidize sludge and deposits (32) present within the secondary side (5).

    摘要翻译： 用于去除从热交换器容器（1）的内部的污泥和沉积物（32）的方法。 该方法包括：填充所述次级侧的内部的步骤（5）的热交换器容器（1）用在清洁剂的wässrige溶液选自表面活性剂，分散剂，触变和浮选剂中的至少一种形成的 中，再循环的次级侧中的wässrige溶液（5）的同时，将其过滤以去除污泥和沉积物（32）在溶液中夹带，并排出从次级侧（5），同时连续引入的加压脉冲的相继wässrige溶液 为了创造一个松开和流化的污泥和沉积物（32）的次级侧中存在的溶液冲击波气体进入填充期间该溶液中，排水和再循环步骤（5）。

    System and method for loosening and removing sludge and debris from the interior of a vessel of a heat exchanger
    113.
    发明公开
    System and method for loosening and removing sludge and debris from the interior of a vessel of a heat exchanger 失效
    用于冷却和去除热交换器的容器内部的污泥和脱落物的系统和方法

    公开(公告)号：EP0435486A3

    公开(公告)日：1991-11-27

    申请号：EP90313255.3

    申请日：1990-12-06

    申请人： WESTINGHOUSE ELECTRIC CORPORATION

    发明人： Franklin, Richard Dale ,  Murray, David Edward ,  Auld, Gregg Daniel

    IPC分类号： F22B37/48 ,  F28G7/00

    CPC分类号： F28G7/00 ,  F22B37/483

    摘要： A system (70) and a method for removing sludge and debris from the interior of the secondary side (5) of a nuclear steam generator (1). The method comprises the steps of introducing a sufficient amount of water in the secondary side (5) to submerge at least the tubesheet (7), generating a succession of shock waves in the water by means of pulses of pressurized gas to create shock waves that loosen the sludge and debris, and vertically flushing the interior of the secondary side (5) by suctioning water off from the bottom portion of the steam generator (1) while simultaneously forcefully spraying water from the top portion of the generator (1) over the bundle (20) of heat exchanger tubes (22) in order to remove the sludge and debris loosened by the shock waves. To conserve the water used in the flushing operation, the water that is suctioned off from the bottom portion of the steam generator (1) is filtered and deionized and reintroduced through hoses (128a, 128b) at the top portion of the generator (1) which forcefully directs water downwardly through the bundle (20) of heat exchanger tubes (22) and against the tubesheet (7). The invention greatly enhances the effectiveness of pressure pulse, water slap and water cannon cleaning methods in the secondary sides (5) of nuclear steam generators (1).

    Low-frequency sound generator
    116.
    发明公开
    Low-frequency sound generator 失效
    低频声音发生器。

    公开(公告)号：EP0006833A2

    公开(公告)日：1980-01-09

    申请号：EP79850062.5

    申请日：1979-06-26

    申请人： MATS OLSSON KONSULT AB

    发明人： Sandström, Roland ,  Olsson, Mats Anders

    IPC分类号： G10K9/04 ,  F28G7/00

    CPC分类号： B06B1/20 ,  G10K9/04

    摘要： A low-frequency sound generator for generating intense sound.
    It comprises a resonator (10). Pressurized gas is supplied to the resonator as pulses through a feeder (13). The sound generator comprises means for positive feedback of the sound pressure in the resonator to the feeder at a predetermined resonance frequency of the resonator but not at other frequencies.

    SYSTEM FOR CLEANING OF HEAT-TRANSFER SURFACES
    117.
    发明公开
    SYSTEM FOR CLEANING OF HEAT-TRANSFER SURFACES 审中-公开

    公开(公告)号：EP4249842A1

    公开(公告)日：2023-09-27

    申请号：EP22397506.1

    申请日：2022-12-07

    申请人： Kamwest Solutions Oy Ab

    发明人： WESTERLUND, Kurt ,  LINDQVIST, Bengt

    IPC分类号： F28G7/00 ,  B08B7/02 ,  B08B9/023 ,  F28F13/10

    摘要： System for cleaning a heat-transfer surface from solid depositions, and the use of water hammering for cleaning of heat-transfer surfaces. The system comprises a source of incompressible fluid adapted to provide a flow of the fluid at a pressure; and a flow channel having an inlet and an outlet. The channel comprises a pipe which endures the pressure of the fluid and which is rigidly connected to the heat-transfer surface and mounted for vibrating movement. A valve communicates with the outlet of the flow channel. By closing the valve, the flow of fluid through the channel will be reduced or even prevented thus creating a pressure impulse, also known as water hammering, for vibrating the pipe and for thereby achieving removal of solid depositions from the heat-transfer surfaces which are rigidly connected to the pipes.