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WO2017118445A1 - 一种复合滤芯 - Google Patents

一种复合滤芯 Download PDF

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Publication number
WO2017118445A1
WO2017118445A1 PCT/CN2017/075413 CN2017075413W WO2017118445A1 WO 2017118445 A1 WO2017118445 A1 WO 2017118445A1 CN 2017075413 W CN2017075413 W CN 2017075413W WO 2017118445 A1 WO2017118445 A1 WO 2017118445A1
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Prior art keywords
filter element
water
filter
water outlet
outer casing
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English (en)
French (fr)
Inventor
陈小平
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Foshan Viomi Electrical Technology Co Ltd
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Foshan Viomi Electrical Technology Co Ltd
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Priority to EP17735883.5A priority Critical patent/EP3400998A4/en
Priority to US16/066,741 priority patent/US11148077B2/en
Publication of WO2017118445A1 publication Critical patent/WO2017118445A1/zh
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
    • B01D29/13—Supported filter elements
    • B01D29/15—Supported filter elements arranged for inward flow filtration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
    • B01D29/13—Supported filter elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
    • B01D29/31—Self-supporting filtering elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
    • B01D29/31—Self-supporting filtering elements
    • B01D29/33—Self-supporting filtering elements arranged for inward flow filtration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
    • B01D29/52—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in parallel connection
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
    • B01D29/52—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in parallel connection
    • B01D29/54—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in parallel connection arranged concentrically or coaxially
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
    • B01D29/56—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
    • B01D29/58—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection arranged concentrically or coaxially
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
    • B01D35/30—Filter housing constructions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
    • B01D35/30—Filter housing constructions
    • B01D35/301—Constructions of two or more housings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
    • B01D39/18—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being cellulose or derivatives thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B01D39/20—Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires
    • B01D39/2055—Carbonaceous material
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/29—Filter cartridge constructions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/29—Filter cartridge constructions
    • B01D2201/291—End caps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/29—Filter cartridge constructions
    • B01D2201/291—End caps
    • B01D2201/298—End caps common to at least two filtering elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/30—Filter housing constructions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/31—Other construction details
    • B01D2201/316—Standpipes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/34—Seals or gaskets for filtering elements
    • B01D2201/347—Radial sealings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/40—Special measures for connecting different parts of the filter
    • B01D2201/4015—Bayonet connecting means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/46—Several filtrate discharge conduits each connected to one filter element or group of filter elements
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00—Apparatus for treatment of water, waste water or sewage
    • C02F2201/002—Construction details of the apparatus
    • C02F2201/006—Cartridges

Definitions

  • a composite filter element comprises a filter body provided with at least two sets of filter devices, wherein each set of filter devices is respectively provided with support members for fixing the sets, and each set of filter devices is arranged in a straight line and relatively fixed.
  • This composite filter can connect different filter devices according to the user's needs to form a composite filter with multiple filtering functions.
  • the same end of the filter body is respectively provided with a water inlet and a water outlet corresponding to the water inlet chamber and the water outlet chamber of each set of filtering devices, so as to facilitate the installation of the filter element body.
  • FIG. 1 is a schematic exploded view of an embodiment of the present invention.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Geology (AREA)
  • Water Treatment By Sorption (AREA)
  • Filtration Of Liquid (AREA)

Abstract

一种复合滤芯，包括设有两套过滤装置（20，10）的滤芯本体，各套滤芯装置（20，10）分别设有将其固定的支撑部件，各套过滤装置（20，10）呈直线排布、并相对固定。各套过滤装置分别设有独立的外壳（5，3）、过滤模块（7，2）和滤水通道，过滤模块（7，2）和滤水通道设置在外壳内（5，3），滤水通道依次包括进水腔（75，25）和出水腔，进水腔（75，25）和出水腔之间通过相应的过滤模块（7，2）连通。

Description

一种复合滤芯 技术领域
本发明涉及一种复合滤芯。
背景技术
目前的复合滤芯只有一个外壳，外壳内通过设置多种的过滤物质，即形成复合滤芯，这些复合滤芯只有一组进出水口，如果需要多条水路的水质分别进行过滤，则需要安装多个复合滤芯，造成诸多不便。还有，目前的复合滤芯的进水口和出水口分别位于滤芯两端，导致水路连接错乱。
发明内容
本发明的目的在于克服上述现有技术存在的不足，而提供一种结构简单、合理，安装方便、至少具有两种过滤功能的复合滤芯。
本发明的目的是这样实现的：
一种复合滤芯，包括设有至少两套过滤装置的滤芯本体，其特征是，各套过滤装置均分别设有将其固定的支撑部件，各套过滤装置呈直线排布、并相对固定。此款复合滤芯可以根据用户的需求，将不同功能的过滤装置接驳在一起，即可形成具有多种过滤功能的复合滤芯。
本发明的目的还可以采用以下技术措施解决：
作为更具体的方案，所述各套过滤装置分别设有独立的外壳、过滤模块和滤水通道，过滤模块和滤水通道设置在外壳内，滤水通道依次包括进水腔和出水腔，进水腔和出水腔之间通过其相应的过滤模块连通。由于具有至少两条滤水通道，所以，可以与多条水路连接。
所述过滤模块包括由筒状滤芯和设置在筒状滤芯两端的端盖构成，过滤模块外周与外壳内壁之间形成所述进水腔，筒状滤芯的内腔为所述出水腔。
所述滤芯本体的同一端分别对应各套过滤装置的进水腔和出水腔设有进水口和出水口，以便于滤芯本体的安装。
作为更进一步的方案，所述滤芯本体设有两套过滤装置，两套过滤装置分别为第一过滤装置和第二过滤装置，第一过滤装置内设有第一进水腔和第一出水腔，第一过滤装置外的一端设有第一进水口、第一出水口、第二进水口和第二出水口，第一过滤装置外的另一端与第二过滤装置的一端连接，第二过滤装置的另一端与滤芯盖密封连接；第二过滤装置内设有第二进水腔和第二出水腔，第二进水腔和第二出水腔通过导流管分别与第二进水口和第二出水口连通。
所述第一过滤装置包括第一外壳和第一过滤模块，第一外壳一端设有所述第一进水口、第一出水口、第二进水口和第二出水口，第一外壳另一端敞开；第一过滤模块设置在第一外壳内，第一过滤模块包括第一筒状滤芯以及设置在第一筒状滤芯两端第一端盖、第二端盖，第一筒状滤芯外周与第一外壳内壁之间形成所述第一进水腔，第一筒状滤芯内腔为第一出水腔；所述第二过滤装置包括第二外壳和第二过滤模块，第二外壳一端设有底板、 并与第一外壳的敞开端密封连接，第二外壳另一端敞开、并与所述滤芯盖密封连接；第二过滤模块设置在第二外壳内，第二过滤模块包括第二筒状滤芯以及设置在第二筒状滤芯两端第三端盖、第四端盖，第二筒状滤芯外周与第二外壳内壁之间形成所述第二进水腔，第二筒状滤芯内腔为第二出水腔；所述导流管内设有进水通道和出水通道，导流管穿过所述第一出水腔，进水通道两端分别与第二进水口和第二进水腔连通，出水通道两端分别与第二出水口和第二出水腔连通。
所述第一筒状滤芯由内外两层构成，其内层为第一碳棒滤层，外层为初过滤层。
所述第二筒状滤芯为碳棒滤芯。
所述第一端盖位于靠近所述第一外壳一端处，第一端盖表面对应第一筒状滤芯的内腔设有第一套管，导流管穿过第一套管，第一套管与第一筒状滤芯的内腔之间形成有第一过流间隙，第一套管与导流管之间形成第二过流间隙，第一过流间隙和第二过流间隙共同构成所述第一出水腔。
所述第三端盖靠近第一过滤装置处，第三端盖表面对应第二筒状滤芯的内腔设有第二套管，第二套管与第二筒状滤芯的内腔之间形成有第三过流间隙，第二套管内形成有过流通道，第三过流间隙和过流通道共同构成所述第二出水腔。
本发明的有益效果如下：
(1)此款复合滤芯可以根据用户的需求，将不同功能的过滤装置接驳在一起，即可形成具有多种过滤功能的复合滤芯；
(2)此款复合滤芯的各套过滤装置均独立设有滤水通道，各滤水通道可以分别与不同的水路连接，避免现有技术中多条水路分别需要过滤时，每条水路均安装滤芯的不良现象，同时也能节省空间体积；
(3)此款复合滤芯中每条滤水通道的进水口和出水口均位于滤芯本体的一端，使得与之连接的水路排布在复合滤芯一端处即可，水路布置更合理、清晰。
附图说明
图1为本发明一实施例分解结构示意图。
图2为本发明主视结构示意图。
图3为图2的仰视及放大结构示意图。
图4为图3的A-A剖视结构示意图(附一水流走向)。
图5为图3的A-A剖视结构示意图(附另一水流走向)。
具体实施方式
下面结合附图及实施例对本发明作进一步描述：
参见图1至图4所示，一种复合滤芯，包括设有两套过滤装置的滤芯本体，两套过滤装置分别为第一过滤装置20和第二过滤装置10，第一过滤装置20内设有第一进水腔75和第一出水腔，第一过滤装置外的一端设有第一进水口55、第一出水口52、第二进水口53和第二出水口54，第一过滤装置20外的另一端与第二过滤装置10的一端连接，第二过滤装置10的另一端与滤芯盖1密封连接；第二过滤装置10内设有第二进水腔25和第二出水腔，第二进水腔25和第二出水腔通过导流管6分别与第二进水口53和第二出水口54连通。其中，第一进水腔75 的水流方向见图4中J1箭头(实线箭头)所示，第一出水腔的水流方向见图4中C1箭头(虚线箭头)所示；第二进水腔25的水流方向见图5中J2箭头(实线箭头)所示，第二出水腔的水流方向见图5中C2箭头(虚线箭头)所示。
所述第一过滤装置20包括第一外壳5和第一过滤模块7，第一外壳5一端设有所述第一进水口55、第一出水口52、第二进水口53和第二出水口54，另一端敞开；第一过滤模块7设置在第一外壳5内，第一过滤模块7包括第一筒状滤芯以及设置在第一筒状滤芯两端第一端盖71、第二端盖74，第一筒状滤芯外周与第一外壳5内壁之间形成所述第一进水腔75，第一筒状滤芯内腔为第一出水腔。所述第一筒状滤芯由内外两层构成，其内层为第一碳棒滤层72，外层为初过滤层73(初过滤层73可以为PP棉)。所述第一端盖71位于靠近所述第一外壳5一端处，第一端盖71表面对应第一筒状滤芯的内腔设有第一套管78，导流管6穿过第一套管78，第一套管78与第一筒状滤芯的内腔之间形成有第一过流间隙76，第一套管78与导流管6之间形成第二过流间隙77，第一过流间隙76和第二过流间隙77共同构成所述第一出水腔。
所述第二过滤装置10包括第二外壳3和第二过滤模块2，第二外壳3一端设有底板31、并与第一外壳5的敞开端密封连接，另一端敞开、并与所述滤芯盖1密封连接；第二过滤模块2设置在第二外壳3内，第二过滤模块2包括第二筒状滤芯22以及设置在第二筒状滤芯22两端第三端盖24、第四端盖21，第二筒状滤芯22外周与第二外壳3内壁之间形成所述第二进水腔25，第二筒状滤芯22内腔为第二出水腔。所述导流管6内设有进水通道62和出水通道61，导流管6穿过所述第一出水腔，进水通道62两端分别与第二进水口53和第二进水腔25连通，出水通道61两端分别与第二出水口54和第二出水腔连通。所述第二筒状滤芯22为碳棒滤芯。所述第三端盖24靠近第一过滤装置20处，第三端盖24表面对应第二筒状滤芯22的内腔设有第二套管23，第二套管23与第二筒状滤芯22的内腔之间形成有第三过流间隙26，第二套管23内形成有过流通道27，第三过流间隙26和过流通道27共同构成所述第二出水腔。
所述滤芯盖1顶部设有把手11，所述第一外壳5一端还设有盖板4，盖板4设有定位槽41，盖板4还对应所述第一进水口55、第一出水口52、第二进水口53和第二出水口54分别设有孔位，所述第一外壳5一端外周设有凸扣51。

Claims (10)

  1. 一种复合滤芯，包括设有至少两套过滤装置的滤芯本体，其特征是，各套过滤装置均分别设有将其固定的支撑部件，各套过滤装置呈直线排布、并相对固定。
  2. 根据权利要求1所述复合滤芯，其特征是，所述各套过滤装置分别设有独立的外壳、过滤模块和滤水通道，过滤模块和滤水通道设置在外壳内，滤水通道依次包括进水腔和出水腔，进水腔和出水腔之间通过其相应的过滤模块连通。
  3. 根据权利要求2所述复合滤芯，其特征是，所述过滤模块包括由筒状滤芯和设置在筒状滤芯两端的端盖构成，过滤模块外周与外壳内壁之间形成所述进水腔，筒状滤芯的内腔为所述出水腔。
  4. 根据权利要求2或3所述复合滤芯，其特征是，所述滤芯本体的同一端分别对应各套过滤装置的进水腔和出水腔设有进水口和出水口。
  5. 根据权利要求1所述复合滤芯，其特征是，所述滤芯本体设有两套过滤装置，两套过滤装置分别为第一过滤装置(20)和第二过滤装置(10)，第一过滤装置(20)内设有第一进水腔(75)和第一出水腔，第一过滤装置外的一端设有第一进水口(55)、第一出水口(52)、第二进水口(53)和第二出水口(54)，第一过滤装置(20)外的另一端与第二过滤装置(10)的一端连接，第二过滤装置(10)的另一端与滤芯盖(1)密封连接；第二过滤装置(10)内设有第二进水腔(25)和第二出水腔，第二进水腔(25)和第二出水腔通过导流管(6)分别与第二进水口(53)和第二出水口(54)连通。
  6. 根据权利要求5所述复合滤芯，其特征是，所述第一过滤装置(20)包括第一外壳(5)和第一过滤模块(7)，第一外壳(5)一端设有所述第一进水口(55)、第一出水口(52)、第二进水口(53)和第二出水口(54)，第一外壳(5)另一端敞开；第一过滤模块(7)设置在第一外壳(5)内，第一过滤模块(7)包括第一筒状滤芯以及设置在第一筒状滤芯两端第一端盖(71)、第二端盖(74)，第一筒状滤芯外周与第一外壳(5)内壁之间形成所述第一进水腔(75)，第一筒状滤芯内腔为第一出水腔；
    所述第二过滤装置(10)包括第二外壳(3)和第二过滤模块(2)，第二外壳(3)一端设有底板(31)、并与第一外壳(5)的敞开端密封连接，第二外壳(3)另一端敞开、并与所述滤芯盖(1)密封连接；第二过滤模块(2)设置在第二外壳(3)内，第二过滤模块(2)包括第二筒状滤芯(22)以及设置在第二筒状滤芯(22)两端第三端盖(24)、第四端盖(21)，第二筒状滤芯(22)外周与第二外壳(3)内壁之间形成所述第二进水腔(25)，第二筒状滤芯(22)内腔为第二出水腔；
    所述导流管(6)内设有进水通道(62)和出水通道(61)，导流管(6)穿过所述第一出水腔，进水通道(62)两端分别与第二进水口(53)和第二进水腔(25)连通，出水通道(61)两端分别与第二出水口(54)和第二出水腔连通。
  7. 根据权利要求6所述复合滤芯，其特征是，所述第一筒状滤芯由内外两层构成，其内层为第一碳棒滤层(72)，外层为初过滤层(73)。
  8. 根据权利要求6所述复合滤芯，其特征是，所述第二筒状滤芯(22)为碳棒滤芯。
  9. 根据权利要求6所述复合滤芯，其特征是，所述第一端盖(71)位于靠近所述第一外壳(5)一端处，第一端盖(71)表面对应第一筒状滤芯的内腔设有第一套管(78)，导流管(6)穿过第一套管(78)，第一套管(78)与第一筒状滤芯的内腔之间形成有第一过流间隙(76)，第一套管(78)与导流管(6)之间形成第二过流间隙(77)，第一过流间隙(76)和第二过流间隙 (77)共同构成所述第一出水腔。
  10. 根据权利要求6所述复合滤芯，其特征是，所述第三端盖(24)靠近第一过滤装置(20)处，第三端盖(24)表面对应第二筒状滤芯(22)的内腔设有第二套管(23)，第二套管(23)与第二筒状滤芯(22)的内腔之间形成有第三过流间隙(26)，第二套管(23)内形成有过流通道(27)，第三过流间隙(26)和过流通道(27)共同构成所述第二出水腔。
PCT/CN2017/075413 2016-01-04 2017-03-02 一种复合滤芯 Ceased WO2017118445A1 (zh)

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