TREATING LIQUIDS IN FILTERS
    3.
    发明申请
    TREATING LIQUIDS IN FILTERS 审中-公开
    在过滤器中处理液体

    公开(公告)号:WO1991008817A1

    公开(公告)日:1991-06-27

    申请号:PCT/GB1990001984

    申请日:1990-12-19

    Abstract: A liquid treatment tank (1) with a liquid inlet (2) contains a layer of components (4) having buoyancy in the liquid. During treatment the liquid is directed so that it premeates through the layer. During treatment the layer is stabilised by restricting the buoyancy of the layer in the liquid. This may be done by maintaining the level of the liquid below the surface of the layer with the outlet stand pipe (7). The layer filters the liquid of particles alone, or together with soluble material. When the apparatus is to be serviced for removal of particles from the layer the buoyancy of the layer is released. This provides for loosening of the components and the particles can be freed from the interstitial spaces of the layer. The particles are released to a position below the layer and may be discharged from the tank. The invention can for example be applied to the mechanical and biological filtration of impurities from waste water.

    METHOD OF SEPARATING SOLIDS FROM LIQUIDS AND/OR SEPARATING EMULSIONS
    4.
    发明申请
    METHOD OF SEPARATING SOLIDS FROM LIQUIDS AND/OR SEPARATING EMULSIONS 审中-公开
    方法进行固液分离和/或破乳

    公开(公告)号:WO1996028233A1

    公开(公告)日:1996-09-19

    申请号:PCT/EP1996001112

    申请日:1996-03-14

    Abstract: The invention concerns a method of separating solids from liquids for use with liquids containing solid components (for example, for filtering effluent) and/or for separating emulsions such as oil-water emulsions. It is proposed that a filter layer (3) consisting of thin, film-like filter particles should be used. These filter particles can be retained by sieve floors (4), thereby permitting the use of non-standard regeneration techniques such as very rapidly siphoning off the liquid enriched with the solids and/or emulsified droplets, drawing it rapidly through a drainage pipe (5), and increasing the pressure in the gas chamber of the filter.

    Abstract translation: 本发明涉及一种方法,用于液体含有固体的,例如在固 - 液分离 用于废水的过滤,和/或用于断裂乳剂,例如 的油 - 水乳液。 它提出使用由薄片状过滤颗粒的过滤层(3)。 这些过滤颗粒可以通过多孔板(4)的装置被保留。 富集与在过滤器的气体空间压力固体和/或抽吸液体,快速过滤的乳化液滴通过排水配管(5)和增加的不寻常的特征如Regeneriertechniken突然通缩是可能的。

    Filtering apparatus
    6.
    发明授权
    Filtering apparatus 失效
    过滤装置

    公开(公告)号:US5368730A

    公开(公告)日:1994-11-29

    申请号:US541444

    申请日:1990-06-22

    CPC classification number: B01D24/165 B01D2201/14

    Abstract: The present invention relates to a filtering apparatus and the method of washing such an apparatus. The filtering apparatus with an upward flow of a fluid to be treated in an enclosure (7) closed at least at one end (15) and containing a fixed floating bed of filtering particles (16) of a density less than that of the fluid to be treated, is characterized in that the pipe (3) for discharging the filtered materials in suspension has the form of a lyre with vent (5) and dimensions allowing the column of fluid contained in the enclosure to be emptied at a speed higher than the minimum fluidization speed, the filtering particles having a characteristic mass per unit volume between 5 kg/m.sup.3 and 500 kg/m.sup.3 and a pipe (1) for intake of the fluid to be treated is disposed in a zone at the lower end of the enclosure situated below the lower level of the fixed floating bed and above the upper level (30) of the waste discharge pipe (3).

    Abstract translation: 本发明涉及一种过滤装置及其洗涤方法。 具有在外壳(7)中要处理的流体向上流动的过滤装置至少在一端(15)处封闭,并且包含密度小于流体密度的过滤颗粒(16)的固定浮床, 被处理的特征在于,用于排出悬浮液中的过滤材料的管道(3)具有通气孔(5)的形式,并且允许包含在外壳中的流体柱以高于 最小流化速度,每单位体积的特征质量在5kg / m 3和500kg / m 3之间的过滤颗粒和用于吸入待处理流体的管(1)设置在位于外壳的下端的区域中 在固定浮床的下部和排泄管(3)的上部(30)的上方。

    Filtration system
    7.
    发明授权
    Filtration system 失效
    过滤系统

    公开(公告)号:US5122287A

    公开(公告)日:1992-06-16

    申请号:US604823

    申请日:1990-10-26

    Inventor: Andrew K. Hsiung

    CPC classification number: B01D24/007 B01D2201/14 B01D2201/188

    Abstract: The filtration system provides a long horizontal flow path through buoyant filter media. The filter media is contained in a vessel and the relationship between the water level in the vessel and the amount of filter media is such that the media extends completely across the horizontal flow path of the water during the filtration mode of operation. The system is configured so that the buoyant media volume expands during a cleansing mode of operation.

    Abstract translation: 过滤系统通过浮力过滤介质提供长的水平流动路径。 过滤介质包含在容器中,并且容器中的水位与过滤介质的量之间的关系使得介质在过滤操作模式期间完全延伸穿过水的水平流动路径。 该系统被配置为使得在清洁操作模式期间浮力介质体积膨胀。

    Apparatus for separating solid and liquid
    8.
    发明授权
    Apparatus for separating solid and liquid 失效
    用于分离固体和液体的装置

    公开(公告)号:US4246118A

    公开(公告)日:1981-01-20

    申请号:US804166

    申请日:1977-06-06

    CPC classification number: B01D36/04 B01D24/16 B01D2201/14

    Abstract: An apparatus for separating suspended solids from a liquid includes a tank, a floating bed of granular filter material held at the upper portion of the tank at the time of filtration, a feed pipe for feeding the liquid at a position between a filtering section and a sedimenting section, a hollow member or members which are arranged within the tank at a position below the position of the filter bed but above the position of the feed pipe, an air supply pipe which blows air up through the hollow member or members, thereby creating a turbulence required for effective backwashing, an arrangement for bringing the filter bed down to a position where the lowermost surface of the filter bed is held below a position substantially flush with the top end of the hollow member or members, a means for discharging a filtrate from the tank which is arranged in the top portion thereof, and a means for discharging a deposit of the suspended solids from the tank, which is equipped at the bottom portion thereof. The backwashing is carried out when the filter bed comes down to a desired level by blowing air from the air supply pipe through the hollow portion of the hollow member or members, thereby creating a turbulence in the filter bed and consequently removing the suspended solids entrapped in the interstices between the filter material particles. The water rinsing may be coupled with the air blowing.

    Abstract translation: 用于从液体中分离悬浮固体的装置包括:罐,在过滤时保持在罐上部的颗粒过滤材料的浮床,用于将过滤部分和过滤部分之间的位置供给液体的进料管 沉积部分,中空部件或者部件,其布置在罐内位于过滤床位置下方但位于进料管位置之上的位置;空气供应管,其将空气吹过中空部件,从而产生 用于有效反冲洗所需的湍流,将过滤床降低到过滤床的最下表面的位置保持在与中空构件的顶端基本齐平的位置的位置的布置,用于排出滤液的装置 从设置在其顶部的罐中,以及用于排出悬浮固体从罐的沉积物的装置,其装配在底部t 这里。 当通过从空气供应管中吹出空气通过中空构件的中空部分而将过滤床降到所需的水平时进行反冲洗,从而在过滤床中产生湍流,从而除去夹带在中空部件中的悬浮固体 过滤材料颗粒之间的间隙。 水冲洗可与吹气相结合。

    Single chamber filter vessel
    10.
    发明授权
    Single chamber filter vessel 失效
    单室过滤容器

    公开(公告)号:US4885083A

    公开(公告)日:1989-12-05

    申请号:US240395

    申请日:1988-08-29

    Applicant: James V. Banks

    Inventor: James V. Banks

    CPC classification number: B01D24/165 B01D2201/14

    Abstract: A single chamber filter module containing a buoyant bed of filter particles through which the fluid to be filtered is passed in an upward direction through the bed so that the solids become trapped within the bed. The filtrate is withdrawn from the upper end of the module. Periodically, the filter bed is rehabbed by dispersing the bed, washing the entrapped solids from the particles and discharging the solids from the lower end of the module.

    Abstract translation: 单室过滤器模块包含过滤器颗粒的浮力床,待过滤的流体通过该过滤器颗粒沿向上的方向通过床,使得固体被捕获在床内。 滤液从模块的上端排出。 定期地,通过分散床来净化滤床,从颗粒中洗涤捕获的固体并从模块的下端排出固体。

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