CN101122287A - 用于偏心螺杆泵的进给螺杆 - Google Patents
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/08—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C18/12—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
- F04C18/14—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
- F04C18/16—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2/00—Rotary-piston machines or pumps
- F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C2/10—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member
- F04C2/107—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member with helical teeth
- F04C2/1071—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member with helical teeth the inner and outer member having a different number of threads and one of the two being made of elastic materials, e.g. Moineau type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B19/00—Machines or pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B1/00 - F04B17/00
- F04B19/08—Scoop devices
- F04B19/12—Scoop devices of helical or screw-type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C11/00—Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations
- F04C11/005—Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations of dissimilar working principle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C13/00—Adaptations of machines or pumps for special use, e.g. for extremely high pressures
- F04C13/001—Pumps for particular liquids
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
- F04C15/0057—Driving elements, brakes, couplings, transmission specially adapted for machines or pumps
- F04C15/0061—Means for transmitting movement from the prime mover to driven parts of the pump, e.g. clutches, couplings, transmissions
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2/00—Rotary-piston machines or pumps
- F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C2/10—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member
- F04C2/107—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member with helical teeth
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/60—Shafts
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- Engineering & Computer Science (AREA)
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- General Engineering & Computer Science (AREA)
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Abstract
本发明涉及一种用于离心螺杆泵的进给螺杆,为避免介质的桥接阻塞和最优化驱动功率,进给螺杆具有一螺旋,所属螺旋在轴区域内具有若干孔口和辐板。
Description
技术领域
本发明涉及一种带有进给螺杆的偏心螺杆泵,所述进给螺杆将中等到高度的粘性介质供应给螺杆转子的抽吸区域。
背景技术
DE 10160335A1示出了关于这一方面的一个偏心螺杆泵,其中进给螺杆被装配到泵壳中泵转子之前。该螺杆通过它的整个内部轮廓与螺杆芯相连。
DE 10118071A1示出了一偏心螺杆泵,绕该偏心螺杆泵的联接杆装配了一空心螺杆。该空心螺杆与驱动器侧上的圆盘片相联接。在螺杆转子的抽吸侧区域内的另一端,则不联接到一个接合点或上述联接杆。
使用根据DE 1277819所述的混合器,使干燥物质与液体混合,并随后用泵传送。为此目的,一混合用螺杆位于贮存容器的区域内,混合用螺杆在一侧与转子相连,在另一侧则与螺杆泵相连。液体进入贮存容器和泵之间的螺旋区域。进给螺杆是由螺旋带组成,所述螺旋带仅通过四个支撑物紧固到搅拌轴一端。
一个混合及进给装置又如DE 4318177中所示。干燥物质通过送料斗进入混合用螺杆的区域。紧随混合操作之后,混合物通过螺杆泵向上运输。混合用螺杆本身是由带有整体螺旋的区域、和带有叶片及辐网状混合器件的区域所构成。
每个泵都按照确定了的输出比率设计。为此,在抽吸侧上必须有足够的介质可供泵利用。布置在实际螺旋的或是在偏心螺杆泵处的上游的进给螺杆,因此能传送泵流量的数倍容量。由于这一点,在抽吸区域中的所谓的填充空间内,产生了填背效应,所述填背效应与螺杆之上的送料斗内介质形成桥接的危险相关联。由于该填充效应,必须使得有显著大于必需量的驱动功率有效可用。
发明内容
本发明的目的在于使进给螺杆的稳定性适应所需的输出,同时即使在使用不同介质的情况下保持驱动功率恒定的为低。
这一目的通过权利要求1的特征得以解决。根据本发明的进给螺杆的进一步发展由附属权利要求的特征示出。
在泵转子与驱动器之间的相应进给螺杆的设计,已示出本领域已知的装置仅仅根据本发明解决目标的部分问题。
根据本发明,通常的实施例涉及具有至少两个孔口的进给螺杆,其中形成在这些孔间的辐板与它们的螺旋根部相连,联到联接杆。根据产品具有何种粘度,可能可行的是将孔口的数量增加到至少四个,以便利介质的回流、并确保更多同质的混合物通过。通过这样,介质的桥接现象已被消解在泵的抽吸侧末端上。
经由本发明所述的孔口,对比本领域传送装置并根据介质状况设计的低损耗驱动能源能得以安装。
为了在联接件(接合点)的区域内也获取本发明所述的优点,所述螺杆在用作联接杆的管具有与螺杆相连的若干条形管段的区域外延伸。如果管段的数目对应于孔口的数目,则有用于紧固它们的相应数量的辐板可用。
由于对介质的回流而言,不仅孔口的数量,还有它们的面积,都有生要作用,则按照根据本发明的改造方案,将孔口的尺寸选定为介于螺旋头部高度的30%到70%之间。采用低粘性物质,孔口的高度能在螺距的高度的20%至60%的范围内选取。
如实施例中所示,由于同质的回行进给和螺杆的均匀负载,孔口的宽度将对应于辐板的宽度。采用高粘性介质,回流可能性必定理所当然地有所改进,其中孔口的宽度大于辐板的宽度。采用低粘性物质,形成桥接的危险相对较低,从而使得此处辐板的宽度能大于孔口的宽度。
为改进回流并由此减少滞止效应,能对沿着联接杆的流动加以改进在于:辐板有倾斜,且因此产生了与螺杆行程相反的流动方向。
取决于螺杆所需的设计,辐板能在每个螺旋开始从30°到120°地彼此偏移。为了使进给螺杆穿过联接杆相对于其整个长度稳定,管段的长度适合进给螺杆的行程。
能够将进给螺杆更容易地附接到联接杆在于:进给螺杆包括多个零件,这些零件在大多数所采用的焊接操作中能得到更好的处理。
下面通过若干实施例对本发明进行示例性说明。
附图说明
图1是进给螺杆的侧面视图;
图2是进给螺杆的三维视图;
图3是进给螺杆的横截面;
图4是在两端都带有接合部分的进给螺杆。
图5是根据图4的进给螺杆的侧面视图。
图6是进给螺杆的横截面。
图7是带有6个孔口的螺杆横截面。
图8是带有4个孔口的螺杆横截面。
图9是从联接杆起具有不同孔口距离的螺杆横截面。
具体实施方式
图1示出了带有螺管12的进给螺杆10的设计可能性。螺旋14焊接到螺管12的圆周表面上。在螺管12的两端16,18上,设置了用于紧固螺旋14的管段20。每个管段20终止于螺旋14在轴向上终止的点处。在管元件20的区域内,未示出的接合处的联接件22被设置在两端。螺旋14是由平的带状材料制成。
螺旋14的设计可以从图2中更清晰地看出。由透视图显而易见的是,螺旋14带有孔口24及辐板26。辐板26的每个螺旋根部34与管段20或联接杆32相联,例如通过焊接操作。当介质在轴向紧沿着螺管穿过进给螺杆的孔口,从转子区域流回泵入口时,带端面28的螺旋14在朝着泵转子的方向上输送介质。通过未完全示出、并紧固到联接件22的连接装置,泵转子与进给螺杆成紧密接触。
图3示出了用于高粘度介质的进给螺杆的孔口24和辐板26的实施例和结构。此处,孔口24的大的自由区域使介质具备了非常良好的回流可能性,以便使填充空间中的停滞压力适合泵输出。因此,防止了介质的脱水和架桥现象的增加趋势,并避免了不希望的高驱动功率。
根据本示意性实施例,孔口24比辐板26更宽。在每种情况下,孔口的中部位于中垂线上,并因此相对彼此偏移90°,这就在每个螺距中生成了4个孔口24及4个辐板26。孔口的高度对应于螺旋高度的大约50%。
在图4和图5中也示出了一个进给螺杆10。此处,联接杆32被设置为驱动部件。螺旋14在接合部件30间的区域内被焊接到联接杆32上,如所有其它实施例中,螺旋14由若干单独的螺旋节构成。螺旋14的这个实施例例如被运用到低粘度介质。通过与孔口24的面积相比的大表面积28,更多介质进入转子区域,而同时较小尺寸的孔口防止需要增加驱动功率。
图4和图5中示出的孔口24的安排、及进给螺杆10的各孔口24的尺寸在图6中示出。每个螺距中,在螺旋14内设置3个彼此偏移120°的孔口。
另外实施例的用于一圈的螺旋设计在图7、8、9中示出。
图7示出了6个孔口24和辐板26的均匀分布。孔口的高度HD较之螺旋14的高度HS为其50%。孔口的宽度BD对应于辐板宽度BS。
在图8中,螺旋14具有4个孔口24和4个辐板26,同时孔口宽度BD大于辐板宽度BS。孔口高度HD是螺旋14高度HS的50%。
图9中的点划线示出了关于孔口高度HD对于螺旋14的高度HS的不同尺寸关系,同时3个孔口24按120°的间隔示出。
Claims (14)
1.一种带有偏心旋转转子的偏心螺杆泵,所述转子在具有另外的螺旋开始的定子中旋转,其中转子通过一联接杆与一驱动器相联,且联接杆被进给螺杆所包围,其特征在于:
进给螺杆(10)具有一个螺旋(14),该螺旋(14)在每个螺距中具有至少2个孔口(24),且形成于这些孔口(24)间的辐板(26)与联接杆连接。
2.如权利要求1所述的偏心螺杆泵,其特征在于,在每个螺距中至少有4个孔口。
3.如权利要求1或2所述的偏心螺杆泵,其特征在于,联接杆具有一螺管,在平行于进给螺杆(10)纵轴的一端处条形管段(20)设置在螺管上,所述条形管段(20)与螺旋(14)相连。
4.如权利要求3所述的偏心螺杆泵,其特征在于,管段(20)的数量对应于孔口(24)的数量。
5.如权利要求1,2或4中任一项所述的偏心螺杆泵,其特征在于,孔口(24)的高度(HD)对应于螺旋(14)的高度(HS)的30%至70%。
6.如权利要求5所述的偏心螺杆泵,其特征在于,孔口(24)的高度(HD)对应于螺旋(14)的高度(HS)的20%至60%。
7.如权利要求3或4所述的偏心螺杆泵,其特征在于,管段(20)在操作状态中覆盖接合元件(30)。
8.如权利要求1至7中任一项所述的偏心螺杆泵,其特征在于,孔口(24)的宽度(BD)对应于与联接杆相连的辐板(26)的宽度(BS)。
9.如权利要求1至7中任一项所述的偏心螺杆泵,其特征在于,孔口(24)的宽度(BD)大于辐板(26)的宽度(BS)。
10.如权利要求1至8中任一项所述的偏心螺杆泵,其特征在于,辐板(24)的宽度(BS)大于孔口(26)的宽度(BD)。
11.如权利要求1至10中任一项所述的偏心螺杆泵,其特征在于,辐板(26)具有与螺杆行程相反的倾斜。
12.如权利要求1至11中任一项所述的偏心螺杆泵,其特征在于,辐板(26)按30°到120°彼此偏移。
13.如权利要求7所述的偏心螺杆泵,其特征在于,管段(20)的长度适合螺旋(14)的行程。
14.如权利要求1至13中任一项所述的偏心螺杆泵,其特征在于,螺旋(14)由多个部分构成。
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DE102006036243A DE102006036243A1 (de) | 2006-08-03 | 2006-08-03 | Förderschnecke für Exzenterschneckenpumpe |
DE102006036243.8 | 2006-08-03 |
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EP (1) | EP1884660A1 (zh) |
JP (1) | JP2008038907A (zh) |
KR (1) | KR20080012769A (zh) |
CN (1) | CN101122287A (zh) |
AU (1) | AU2007203551A1 (zh) |
BR (1) | BRPI0703164A (zh) |
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CN108373929A (zh) * | 2018-05-07 | 2018-08-07 | 青岛科技大学 | 一种废橡胶或废塑料的裂解残渣连续输出装置和方法 |
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DE102009024088A1 (de) | 2009-06-06 | 2010-12-09 | Zeus Gmbh | Reifenfüllmasse, Verfahren zur Herstellung einer Reifenfüllung und Vorrichtung zur Durchführung des Verfahrens |
KR101035078B1 (ko) * | 2011-01-14 | 2011-05-19 | 주식회사 유성엔지니어링 | 스크류 펌프 |
US10087758B2 (en) | 2013-06-05 | 2018-10-02 | Rotoliptic Technologies Incorporated | Rotary machine |
US10436068B2 (en) * | 2016-02-12 | 2019-10-08 | General Electric Company | Flowpath contouring |
WO2020051690A1 (en) * | 2018-09-11 | 2020-03-19 | Rotoliptic Technologies Incorporated | Helical trochoidal rotary machines |
USD927968S1 (en) * | 2019-03-28 | 2021-08-17 | Ojjo, Inc. | Screw anchor |
US11815094B2 (en) | 2020-03-10 | 2023-11-14 | Rotoliptic Technologies Incorporated | Fixed-eccentricity helical trochoidal rotary machines |
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US3271081A (en) * | 1964-09-28 | 1966-09-06 | Phillips Petroleum Co | Apparatus and process for pumping slurry |
DE1244723B (de) * | 1965-05-12 | 1967-07-20 | Karl Schlecht Dipl Ing | Vorrichtung zum kontinuierlichen Mischen von trockenem Gut mit einer Fluessigkeit |
DE1277819B (de) * | 1965-05-12 | 1968-09-19 | Karl Schlecht Dipl Ing | Vorrichtung zum kontinuierlichen Mischen von pulverfoermigem bis feinkoernigem Schuettgut |
US4134736A (en) * | 1978-02-22 | 1979-01-16 | E. I. Du Pont De Nemours And Company | Steam-polymer separation apparatus |
JPS58192814U (ja) * | 1982-06-15 | 1983-12-22 | 株式会社神戸製鋼所 | スクリユ−羽根の構造 |
SE435951B (sv) * | 1983-03-14 | 1984-10-29 | Sunds Defibrator | Centrifugalpump med skruvmatare for pumpning av massa med hog koncentration |
JPH0748587Y2 (ja) * | 1988-07-12 | 1995-11-08 | 兵神装備株式会社 | 粉体移送装置 |
DE4121717C2 (de) * | 1991-06-07 | 1995-01-26 | Allweiler Ag | Schneckenpumpe, insbesondere Exzenterschneckenpumpe |
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DE4442060C1 (de) * | 1994-11-25 | 1996-03-14 | Netzsch Mohnopumpen Gmbh | Exzenterschneckenpumpe, insbesondere zum Fördern von Medien mit hoher Viskosität oder hohem Feststoffgehalt |
DE10118071C2 (de) * | 2001-04-11 | 2003-05-28 | Seepex Seeberger Gmbh & Co | Exzenter-Schneckenpumpe |
DE10160335B4 (de) * | 2001-12-07 | 2006-02-02 | Ksb Aktiengesellschaft | Zuführvorrichtung für eine Exzenterschneckenpumpe |
-
2006
- 2006-08-03 DE DE102006036243A patent/DE102006036243A1/de not_active Withdrawn
-
2007
- 2007-06-30 EP EP07012876A patent/EP1884660A1/de not_active Withdrawn
- 2007-07-26 CA CA002595015A patent/CA2595015A1/en not_active Abandoned
- 2007-07-30 AU AU2007203551A patent/AU2007203551A1/en not_active Abandoned
- 2007-08-01 KR KR1020070077339A patent/KR20080012769A/ko not_active Application Discontinuation
- 2007-08-01 JP JP2007200610A patent/JP2008038907A/ja active Pending
- 2007-08-02 US US11/832,880 patent/US20080031758A1/en not_active Abandoned
- 2007-08-02 BR BRPI0703164-5A patent/BRPI0703164A/pt not_active IP Right Cessation
- 2007-08-03 CN CNA2007101399235A patent/CN101122287A/zh active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108373929A (zh) * | 2018-05-07 | 2018-08-07 | 青岛科技大学 | 一种废橡胶或废塑料的裂解残渣连续输出装置和方法 |
Also Published As
Publication number | Publication date |
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US20080031758A1 (en) | 2008-02-07 |
EP1884660A1 (de) | 2008-02-06 |
DE102006036243A1 (de) | 2008-02-14 |
BRPI0703164A (pt) | 2008-03-25 |
CA2595015A1 (en) | 2008-02-03 |
JP2008038907A (ja) | 2008-02-21 |
KR20080012769A (ko) | 2008-02-12 |
AU2007203551A1 (en) | 2008-02-21 |
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