CN104321120A - 供暖系统用旋流式分离装置 - Google Patents

供暖系统用旋流式分离装置 Download PDF

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CN104321120A
CN104321120A CN201380026510.XA CN201380026510A CN104321120A CN 104321120 A CN104321120 A CN 104321120A CN 201380026510 A CN201380026510 A CN 201380026510A CN 104321120 A CN104321120 A CN 104321120A
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C·阿迪
S·唐尼
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Adey Holdings 2008 Ltd
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    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/26—Separation of sediment aided by centrifugal force or centripetal force
    • B01D21/265—Separation of sediment aided by centrifugal force or centripetal force by using a vortex inducer or vortex guide, e.g. coil
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
    • B04C3/00—Apparatus in which the axial direction of the vortex flow following a screw-thread type line remains unchanged ; Devices in which one of the two discharge ducts returns centrally through the vortex chamber, a reverse-flow vortex being prevented by bulkheads in the central discharge duct
    • B04C3/06—Construction of inlets or outlets to the vortex chamber
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • F24D19/00—Details
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    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
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    • B01D21/26—Separation of sediment aided by centrifugal force or centripetal force
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    • B01D2247/00—Details relating to the separation of dispersed particles from gases, air or vapours by liquid as separating agent
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    • B—PERFORMING OPERATIONS; TRANSPORTING
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Abstract

一种用于去除流体中悬浮颗粒物的分离装置(10)，包括：外壳(12)，所述外壳具有使流体进出所述外壳的第一和第二端口(96)，第一和第二端口位于同一垂直线上；和至少一个用于分离流体中固体颗粒物的分离室。

Description

供暖系统用旋流式分离装置
技术领域
本发明涉及一种适用于从流体中分离颗粒物的分离装置，尤其涉及但又并非仅限于一种液体循环式供暖系统用分离装置。
背景技术
在典型的供暖系统中，利用水泵使水通过若干暖气片，可能为热水箱中的换热器，和锅炉循环流通。在循环流通过程中，从暖气片和管道内部脱落的固体颗粒物(如氧化铁)会悬浮在水中。固体颗粒物还可以是最初供应给系统的水中存在的污染物，且水会被形成该系统一部分的开式膨胀水箱中的污垢所污染。如果这些固体颗粒物沉积在锅炉或水泵中会导致系统故障，且会因限制水流和阻塞暖气片而降低供暖系统的效率。因此，应尽可能持续清洁供暖系统中的水，以去除固体颗粒物。
众所周知，已有多种用于去除水流中悬浮颗粒物的设备。通常这些设备包括用于吸引含铁颗粒物的磁体，且还可包括用于去除非磁性颗粒物的机械分离装置。非磁性颗粒物可通过让一部分水流经设有阻塞装置的分离室而减缓水流速度的方式去除。之后，颗粒物将脱离悬浮状态并落入腔室中，落入腔室中的颗粒物可在年度保养中轻易去除。由于仅仅减缓了部分水流速度，因此，加热回路中的整体流速并未大幅降低。该申请人的共同待批申请GB2486173和GB2486172中公开了这种类型的设备。
这些现有的设备通常由圆柱形外壳、沿外壳内纵轴设置的磁体和设在外壳下端的机械分离室组成。外壳侧壁上设有入口和出口，入口和出口通常采用一个在上、一个在下的设置。入口和出口配置为使外壳内的水产生漩涡。为了达成该目的，入口和出口通常与圆柱形外壳相切或基本相切。入口和出口设置在圆柱形外壳的不同切线上，从而当圆柱形外壳安装在垂直位置上且外壳纵轴在垂直线上时，入口和出口在垂直和水平方向上都相互偏离。在使用中，进入流体将立即与外壳曲壁的内表面相接触，且沿圆柱中心方向承受一个与所述表面垂直的力。因此，外壳中的流体大体上处于循环流动状态。
由于需要安装的设备内空间非常狭小，尤其是如果对现有设备进行改造，切向入口和出口端口可能给安装人员造成不利的限制。这种设备通常需要铺设直线型立管，因此，为了容纳在垂直和水平方向上偏离的切向端口，安装人员将需要安装直角接头和水平管段。在某些情况下，根本不可能安装具有切向或基本切向入口的容量适合的设备。
本发明的目的是提供一种减少或基本避免上述问题的分离装置。
发明内容
根据本发明，提供有一种用于去除流体中悬浮颗粒物的分离装置，其包括：
外壳，该外壳具有中心纵轴，以及使流体进出外壳的第一和第二端口；和
至少一个用于分离流体中固体颗粒物的分离室，第一和第二端口居中设置在一轴线上且从外壳垂直延伸出来，所述轴线与外壳的中心纵轴平行，至少在第一和第二端口的其中一个中或附近设置至少一个导流板，用于引导流体围绕中心纵轴圆周流动。
分离室可基本上占据外壳的整个内部，且可包括用于从流体中移除磁性颗粒物的磁体。可进一步设置其它分离室。例如，可在外壳顶端和/或底端安装非磁性分离室。
布置在垂直直线上的端口易于与加热回路适配。可去除一段加热回路的供水管或回水管，且供水管或回水管的开口端通过直角接头连接至该装置的第一和第二端口。由于第一和第二端口位于同一垂直线上，因此，无需额外铺设管道，且在入口端口和出口端口均只需要一个直角接头。
通过延长特定部分流体在外壳内停留的时间，流体循环流动能够使磁性和非磁性颗粒物实现有效分离，而大体上不会影响加热回路中的流体动力，例如，通过降低入口和出口之间的流体压力。
第一和第二导流板可靠近第一和第二端口设置。
在两个端口上都安装导流板可使其中任一个被用作入口，从而给安装人员在安装设备时提供更多灵活性。
一个或多个导流板可与垂直方向成一定角度。一个或多个导流板呈角度设置，以将流体导向最靠近端口的外壳的一端，其中，导向板设置于该端口附近。呈角度设置的导流板不仅使流体转向形成漩涡，而且还将其导向设置于外壳端部处的分离室。这改进了分离效果。
一个或多个导流板可模制在外壳中。
外壳可具有弯曲表面，且可大体上呈圆柱形。
至少一个端口可以是圆形的，且导流板靠近该圆形端口设置，导流板的范围大致为该端口直径的四分之一。
附图说明
为了更好地理解本发明，且更清晰地呈现其实施方式，现通过示例结合附图对其进行说明，其中：
图1所示为根据本发明的一种分离装置的透视图；
图2所示为图1中的分离装置的前视图；
图3所示为图1中的分离装置的剖视透视图。
具体实施方式
参照图1-3，一种用于分离悬浮在流体中的颗粒物的分离装置，整体用10表示。该分离装置设有外壳12，外壳12包括主体部分14和可拆卸的封盖部分16。该主体部分大体上是上端开口的圆柱形壳体，即，该主体部分14包括底板15和壁17。该主体部分14的壁17的上端由公螺纹18和该公螺纹正下方的圆周边缘20形成。
封盖部分16为螺旋帽盖的形式，包括圆平面顶板26和延伸到该顶板下方的圆周壁28。壁28的内表面上形成有与外壳主体部分14的壁17上端的公螺纹18配合的螺纹22。在封盖部分16的壁28外的四周间隔均匀地设置有多个凹槽24，用于协助用户紧握封盖部分16以有效地闭合和移开。
封盖部分16的顶板26的底面边缘四周设有凹槽30。凹槽30中设有橡胶O型圈32，约一半高度的O型圈32延伸到顶板26的底面下。当将封盖部分36螺纹连接到外壳12的主体部分14上时，O型圈32压缩在封盖部分16的顶板26与外壳主体部分14的壁17的上缘之间，形成水密封。
入口和出口当作第一和第二空心圆柱形承窝96设置在外壳体14的壁17上，各自垂直于圆柱形主体的同一切线延伸，也就是说，承窝从外壳14的壁向外延伸，且在外壳12的直径上相互平行。承窝96中设有John Guest Speedfit(RTM)接头98，以便于容易地与加热回路适配。
由于当设备安装时入口和出口将处于同一垂直直线上，所以在相同直径上的平行出入口承窝96能够容易与加热回路匹配。
最佳如图2所示，导流板100设置于圆柱形外壳12中的各承窝96内。导流板100阻塞各承窝96的一部分，引导入口的流体流向一侧并在外壳12内形成旋流。从垂直方向，导流板100的边缘呈10度左右的角，以便使水在水平方向以及垂直方向上轻微转向。在两个承窝96中都设置导流板100可使其中任一个被用作入口。导流板100模制为外壳12的一部分。
外壳12的封盖部分16的顶板26上设置有排放阀104。排放阀可用于加注抑制剂，如申请人的已授权专利EP1626809中所述。EP1626809的说明书通过引用并入本文。
外壳内设置有可拆卸的镶件102，镶件102包括磁体隔套和用于分离流体中的非磁性颗粒物的分离室。有关该可拆卸镶件102的说明可参见申请人的共同未授权申请GB2486172，且其说明书通过引用并入本文。
导流板100形成水旋流，这对于有效地进行磁性和非磁性分离是必要的。这通过位于同一直线上而非水平偏移的切向入口和出口端口实现，提供使安装人员更易于安装的设备。
上述实施例仅做示例之用，在不脱离所附权利要求限定的发明范围的前提下，各种变更和修改对于本领域的技术人员来说是显而易见的。

Claims (10)

1.一种用于去除流体中悬浮颗粒物的分离装置，包括：
外壳，所述外壳具有中心纵轴，和使流体进出所述外壳的第一和第二端口；以及
至少一个用于分离流体中固体颗粒物的分离室；
所述第一和第二端口居中设置在轴线上并从外壳垂直延伸出来，所述轴线与外壳的中心纵轴平行，以及至少一个导流板，设置在第一和第二端口至少其中一个中或附近，用于引导流体围绕中心纵轴圆周流动。
2.根据权利要求1所述的分离装置，其特征在于，第一和第二导流板分别设置于第一和第二端口附近。
3.根据权利要求1或2所述的分离装置，其特征在于，至少一个导流板与垂直方向成一角度。
4.根据权利要求3所述的分离装置，其特征在于，至少其中一个端口具有成一角度的导流板，以将流体导向最靠近该端口的外壳的一端。
5.根据权利要求1-4中任一项所述的分离装置，其特征在于，至少一个导流板模制在所述外壳内。
6.根据上述权利要求中任一项所述的分离装置，其特征在于，至少一个端口是圆形的。
7.根据权利要求6所述的分离装置，其特征在于，至少一个导流板的范围大致为相邻端口直径的四分之一。
8.根据上述权利要求中任一项所述的分离装置，其特征在于，所述外壳具有弯曲表面。
9.根据权利要求8所述的分离装置，其特征在于，所述外壳大体上呈圆柱形。
10.一种分离装置，大体上如本文中参照附图1-3所述，且如附图1-3所示。
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