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    • 1. 发明公开
    • A method and device for cleaning non-fixed media filters
    • Verfahren und Vorrichtung zum Reinigen von nichtfixierten Medienfiltern
    • EP2397208A2
    • 2011-12-21
    • EP11181600.5
    • 2007-02-09
    • Exterran Holdings, Inc.
    • Lee, Douglas W.Tyrie, ColinBateman, William
    • B01D24/42B01D24/46
    • B01D24/14B01D24/4631B01D2201/087
    • A method and apparatus are presented for rejuvenating a bed of granular filter medium that has accumulated contaminants during filtration of a liquid stream. The method first includes the step of establishing a small volumetric flow of clean filtrate in reverse flow. Then the filter medium is agitated to break-up contaminants that have become agglomerated on the surface of or within the interstitial spaces of the filter medium. The agitating step is accomplished by exposing the liquid-full filter medium to a jetting stream comprised mostly of a gas mixed with a clean liquid. The jetting stream is dispersed throughout the filter medium through a plurality of radial nozzles located within the filter bed.; The radial nozzles disperse the gas within the liquid and filter medium causing sufficient turbulence and agitation of the filter medium granules to liberate the trapped contaminants without the need for high liquid flow rates. The number of nozzles and their placement within the filter bed are varied depending on factors such as size and shape of the filter vessel and the type of filter media being cleaned. The amount of water and gas flowing through the nozzles is also adjusted to provide substantially uniform cleaning of the entire bed. This method results in lower volumes of clean filtrate being consumed in the backwash cycle and the associated storage and recycle of that liquid back into the process.; The radial nozzles are each comprised of two horizontal and parallel circular disks spaced apart to create a cylindrical void through which the pressurized gas and liquid jetting stream flows. The apparatus presented comprises a singular filter vessel and a plurality of filter chambers within a common filter vessel each containing granular filter medium and a plurality of radial nozzles disposed with the medium for dispersing the jetting stream throughout during the cleaning and rejuvenation steps of a filtering process.
    • 提出了一种方法和装置,用于在过滤液体流期间积聚污染物的颗粒过滤介质床。 该方法首先包括在反向流中建立清洁滤液的小体积流量的步骤。 然后搅拌过滤介质以分解在过滤介质的间隙空间的表面上或内部的已经凝聚的污染物。 搅拌步骤通过将液体完全过滤介质暴露于主要由与清洁液体混合的气体的喷射流来实现。 喷射流通过位于过滤床内的多个径向喷嘴分散在整个过滤介质中; 径向喷嘴将气体分散在液体和过滤介质中,导致过滤介质颗粒充分的湍流和搅动,以释放捕获的污染物,而不需要高液体流速。 喷嘴数量及其在滤床内的布置根据诸如过滤容器的尺寸和形状以及要清洁的过滤介质的类型等因素而变化。 流经喷嘴的水和气体的量也被调节以提供对整个床的基本均匀的清洁。 这种方法导致在反冲洗循环中消耗的清洁滤液的体积较少,并且该液体相关的储存和再循环回到该方法中。 径向喷嘴各自包括两个水平和平行的圆盘,间隔开以形成圆柱形空隙,加压气体和液体喷射流通过其流动。 所提供的装置包括单个过滤器容器和在公共过滤容器内的多个过滤室,每个过滤器容器包含颗粒过滤介质和多个径向喷嘴,所述多个径向喷嘴设置有用于在过滤过程的清洁和再生步骤期间将喷射流分散在整个介质中 。
    • 3. 发明授权
    • A method and device for cleaning non-fixed media filters
    • 用于清洗非固定介质过滤器的方法和装置
    • EP2397208B1
    • 2014-07-30
    • EP11181600.5
    • 2007-02-09
    • Exterran Holdings, Inc.
    • Lee, Douglas W.Tyrie, ColinBateman, William
    • B01D24/42B01D24/46
    • B01D24/14B01D24/4631B01D2201/087
    • A method and apparatus are presented for rejuvenating a bed of granular filter medium that has accumulated contaminants during filtration of a liquid stream. The method first includes the step of establishing a small volumetric flow of clean filtrate in reverse flow. Then the filter medium is agitated to break-up contaminants that have become agglomerated on the surface of or within the interstitial spaces of the filter medium. The agitating step is accomplished by exposing the liquid-full filter medium to a jetting stream comprised mostly of a gas mixed with a clean liquid. The jetting stream is dispersed throughout the filter medium through a plurality of radial nozzles located within the filter bed.; The radial nozzles disperse the gas within the liquid and filter medium causing sufficient turbulence and agitation of the filter medium granules to liberate the trapped contaminants without the need for high liquid flow rates. The number of nozzles and their placement within the filter bed are varied depending on factors such as size and shape of the filter vessel and the type of filter media being cleaned. The amount of water and gas flowing through the nozzles is also adjusted to provide substantially uniform cleaning of the entire bed. This method results in lower volumes of clean filtrate being consumed in the backwash cycle and the associated storage and recycle of that liquid back into the process.; The radial nozzles are each comprised of two horizontal and parallel circular disks spaced apart to create a cylindrical void through which the pressurized gas and liquid jetting stream flows. The apparatus presented comprises a singular filter vessel and a plurality of filter chambers within a common filter vessel each containing granular filter medium and a plurality of radial nozzles disposed with the medium for dispersing the jetting stream throughout during the cleaning and rejuvenation steps of a filtering process.
    • 4. 发明公开
    • A METHOD AND DEVICE FOR CLEANING NON-FIXED MEDIA FILTERS
    • 方法和装置与媒体地段清洗过滤器
    • EP2175953A2
    • 2010-04-21
    • EP07750351.4
    • 2007-02-09
    • Exterran Holdings, Inc.
    • LEE, Douglas, W.TYRIE, ColinBATEMAN, William
    • B01D24/42B01D24/46
    • B01D24/14B01D24/4631B01D2201/087
    • A method and apparatus are presented for rejuvenating a bed of granular filter medium that has accumulated contaminants during filtration of a liquid stream. The method first includes the step of establishing a small volumetric flow of clean filtrate in reverse flow. Then the filter medium is agitated to break-up contaminants that have become agglomerated on the surface of or within the interstitial spaces of the filter medium. The agitating step is accomplished by exposing the liquid-full filter medium to a jetting stream comprised mostly of a gas mixed with a clean liquid. The jetting stream is dispersed throughout the filter medium through a plurality of radial nozzles located within the filter bed.; The radial nozzles disperse the gas within the liquid and filter medium causing sufficient turbulence and agitation of the filter medium granules to liberate the trapped contaminants without the need for high liquid flow rates. The number of nozzles and their placement within the filter bed are varied depending on factors such as size and shape of the filter vessel and the type of filter media being cleaned. The amount of water and gas flowing through the nozzles is also adjusted to provide substantially uniform cleaning of the entire bed. This method results in lower volumes of clean filtrate being consumed in the backwash cycle and the associated storage and recycle of that liquid back into the process.; The radial nozzles are each comprised of two horizontal and parallel circular disks spaced apart to create a cylindrical void through which the pressurized gas and liquid jetting stream flows. The apparatus presented comprises a singular filter vessel and a plurality of filter chambers within a common filter vessel each containing granular filter medium and a plurality of radial nozzles disposed with the medium for dispersing the jetting stream throughout during the cleaning and rejuvenation steps of a filtering process.
    • 5. 发明授权
    • A METHOD AND DEVICE FOR CLEANING NON-FIXED MEDIA FILTERS
    • VERFAHREN UND VORRICHTUNG ZUR REINIGUNG VON FILTERN MIT LOSEN MEDIEN
    • EP2175953B1
    • 2014-12-10
    • EP07750351.4
    • 2007-02-09
    • Exterran Holdings, Inc.
    • LEE, Douglas, W.TYRIE, ColinBATEMAN, William
    • B01D24/42B01D24/46
    • B01D24/14B01D24/4631B01D2201/087
    • A method and apparatus are presented for rejuvenating a bed of granular filter medium that has accumulated contaminants during filtration of a liquid stream. The method first includes the step of establishing a small volumetric flow of clean filtrate in reverse flow. Then the filter medium is agitated to break-up contaminants that have become agglomerated on the surface of or within the interstitial spaces of the filter medium. The agitating step is accomplished by exposing the liquid-full filter medium to a jetting stream comprised mostly of a gas mixed with a clean liquid. The jetting stream is dispersed throughout the filter medium through a plurality of radial nozzles located within the filter bed.; The radial nozzles disperse the gas within the liquid and filter medium causing sufficient turbulence and agitation of the filter medium granules to liberate the trapped contaminants without the need for high liquid flow rates. The number of nozzles and their placement within the filter bed are varied depending on factors such as size and shape of the filter vessel and the type of filter media being cleaned. The amount of water and gas flowing through the nozzles is also adjusted to provide substantially uniform cleaning of the entire bed. This method results in lower volumes of clean filtrate being consumed in the backwash cycle and the associated storage and recycle of that liquid back into the process.; The radial nozzles are each comprised of two horizontal and parallel circular disks spaced apart to create a cylindrical void through which the pressurized gas and liquid jetting stream flows. The apparatus presented comprises a singular filter vessel and a plurality of filter chambers within a common filter vessel each containing granular filter medium and a plurality of radial nozzles disposed with the medium for dispersing the jetting stream throughout during the cleaning and rejuvenation steps of a filtering process.
    • 提出了一种方法和装置,用于在过滤液体流期间积聚污染物的颗粒过滤介质床。 该方法首先包括在反向流中建立清洁滤液的小体积流量的步骤。 然后搅拌过滤介质以分解在过滤介质的间隙空间的表面上或内部的已经凝聚的污染物。 搅拌步骤通过将液体完全过滤介质暴露于主要由与清洁液体混合的气体的喷射流来实现。 喷射流通过位于过滤床内的多个径向喷嘴分散在整个过滤介质中; 径向喷嘴将气体分散在液体和过滤介质中,导致过滤介质颗粒充分的湍流和搅动,以释放捕获的污染物,而不需要高液体流速。 喷嘴数量及其在滤床内的布置根据诸如过滤容器的尺寸和形状以及要清洁的过滤介质的类型等因素而变化。 流经喷嘴的水和气体的量也被调节以提供对整个床的基本均匀的清洁。 这种方法导致在反冲洗循环中消耗的清洁滤液的体积较少,并且该液体相关的储存和再循环回到该方法中。 径向喷嘴各自包括两个水平和平行的圆盘,间隔开以形成圆柱形空隙,加压气体和液体喷射流通过其流动。 所提供的装置包括单个过滤器容器和在公共过滤容器内的多个过滤室,每个过滤器容器包含颗粒过滤介质和多个径向喷嘴,所述多个径向喷嘴设置有用于在过滤过程的清洁和再生步骤期间将喷射流分散在整个介质中 。
    • 6. 发明公开
    • A method and device for cleaning non-fixed media filters
    • 用于清洗非固定介质过滤器的方法和装置
    • EP2397208A3
    • 2012-04-18
    • EP11181600.5
    • 2007-02-09
    • Exterran Holdings, Inc.
    • Lee, Douglas W.Tyrie, ColinBateman, William
    • B01D24/42B01D24/46
    • B01D24/14B01D24/4631B01D2201/087
    • A method and apparatus are presented for rejuvenating a bed of granular filter medium that has accumulated contaminants during filtration of a liquid stream. The method first includes the step of establishing a small volumetric flow of clean filtrate in reverse flow. Then the filter medium is agitated to break-up contaminants that have become agglomerated on the surface of or within the interstitial spaces of the filter medium. The agitating step is accomplished by exposing the liquid-full filter medium to a jetting stream comprised mostly of a gas mixed with a clean liquid. The jetting stream is dispersed throughout the filter medium through a plurality of radial nozzles located within the filter bed.; The radial nozzles disperse the gas within the liquid and filter medium causing sufficient turbulence and agitation of the filter medium granules to liberate the trapped contaminants without the need for high liquid flow rates. The number of nozzles and their placement within the filter bed are varied depending on factors such as size and shape of the filter vessel and the type of filter media being cleaned. The amount of water and gas flowing through the nozzles is also adjusted to provide substantially uniform cleaning of the entire bed. This method results in lower volumes of clean filtrate being consumed in the backwash cycle and the associated storage and recycle of that liquid back into the process.; The radial nozzles are each comprised of two horizontal and parallel circular disks spaced apart to create a cylindrical void through which the pressurized gas and liquid jetting stream flows. The apparatus presented comprises a singular filter vessel and a plurality of filter chambers within a common filter vessel each containing granular filter medium and a plurality of radial nozzles disposed with the medium for dispersing the jetting stream throughout during the cleaning and rejuvenation steps of a filtering process.
    • 7. 发明公开
    • A METHOD AND DEVICE FOR CLEANING NON-FIXED MEDIA FILTERS
    • VERFAHREN UND VORRICHTUNG ZUR REINIGUNG VON NICHT BEFESTIGTEN MEDIENFILTERN
    • EP2175953A4
    • 2010-06-23
    • EP07750351
    • 2007-02-09
    • EXTERRAN HOLDINGS INC
    • LEE DOUGLAS WTYRIE COLINBATEMAN WILLIAM
    • B01D24/42B01D24/46
    • B01D24/14B01D24/4631B01D2201/087
    • A method and apparatus are presented for rejuvenating a bed of granular filter medium that has accumulated contaminants during filtration of a liquid stream. The method first includes the step of establishing a small volumetric flow of clean filtrate in reverse flow. Then the filter medium is agitated to break-up contaminants that have become agglomerated on the surface of or within the interstitial spaces of the filter medium. The agitating step is accomplished by exposing the liquid-full filter medium to a jetting stream comprised mostly of a gas mixed with a clean liquid. The jetting stream is dispersed throughout the filter medium through a plurality of radial nozzles located within the filter bed.; The radial nozzles disperse the gas within the liquid and filter medium causing sufficient turbulence and agitation of the filter medium granules to liberate the trapped contaminants without the need for high liquid flow rates. The number of nozzles and their placement within the filter bed are varied depending on factors such as size and shape of the filter vessel and the type of filter media being cleaned. The amount of water and gas flowing through the nozzles is also adjusted to provide substantially uniform cleaning of the entire bed. This method results in lower volumes of clean filtrate being consumed in the backwash cycle and the associated storage and recycle of that liquid back into the process.; The radial nozzles are each comprised of two horizontal and parallel circular disks spaced apart to create a cylindrical void through which the pressurized gas and liquid jetting stream flows. The apparatus presented comprises a singular filter vessel and a plurality of filter chambers within a common filter vessel each containing granular filter medium and a plurality of radial nozzles disposed with the medium for dispersing the jetting stream throughout during the cleaning and rejuvenation steps of a filtering process.
    • 提出了一种方法和装置,用于在过滤液体流期间积聚污染物的颗粒过滤介质床。 该方法首先包括在反向流中建立清洁滤液的小体积流量的步骤。 然后搅拌过滤介质以分解在过滤介质的间隙空间的表面上或内部的已经凝聚的污染物。 搅拌步骤通过将液体完全过滤介质暴露于主要由与清洁液体混合的气体的喷射流来实现。 喷射流通过位于过滤床内的多个径向喷嘴分散在整个过滤介质中; 径向喷嘴将气体分散在液体和过滤介质中,导致过滤介质颗粒充分的湍流和搅动,以释放捕获的污染物,而不需要高液体流速。 喷嘴数量及其在滤床内的布置根据诸如过滤容器的尺寸和形状以及要清洁的过滤介质的类型等因素而变化。 流经喷嘴的水和气体的量也被调节以提供对整个床的基本均匀的清洁。 这种方法导致在反冲洗循环中消耗的清洁滤液的体积较少,并且该液体相关的储存和再循环回到该方法中。 径向喷嘴各自包括两个水平和平行的圆盘,间隔开以形成圆柱形空隙,加压气体和液体喷射流通过其流动。 所提供的装置包括单个过滤器容器和在公共过滤容器内的多个过滤室,每个过滤器容器包含颗粒过滤介质和多个径向喷嘴,所述多个径向喷嘴设置有用于在过滤过程的清洁和再生步骤期间将喷射流分散在整个介质中 。