CN101291738B - 过滤部件 - Google Patents
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Abstract
本发明通过采用例如金属、陶瓷等单一材料,提供非常卫生的具有可洗结构的穿孔部件,该穿孔部件尤其适于食品加工用的过滤元件和喷嘴。该穿孔部件获得了以下优点:能够减少制造穿孔部件的步骤;减少外来微粒积聚的位置;不需要附加的增强件;由于不包含焊接步骤,制造步骤几乎不会引起应力、裂纹等。结果,能够获得具有高精度和高质量的穿孔部件。该穿孔部件以如下方式形成:在由单一材料制成的被加工体(W)的希望位置上形成凹槽(1);在凹槽(1)中穿设多个通孔(2);除了凹槽(2)之外,用作被加工体的强度保持部分的其余部分(3)形成为一体结构。
Description
技术领域
本发明涉及用作过滤元件的过滤部件,用在处理各种流体(例如气体或液体)的固-液、固-固、固-气分离装置等中。
背景技术
例如,现有的这种穿孔部件以如下方式形成。
(1)在制造三维过滤元件的情况下,通常,作为第一步骤而将平板穿孔,然后将穿孔的平板形成为三维过滤元件。考虑到穿孔平板的可加工性或精确性,要在平板上穿设的孔直径越小,平板的厚度越薄。
(2)已公开了一种涉及用于串联过滤的多层复合过滤元件的发明(例如专利文献1)。该过滤元件具有供待过滤的介质流入和流出的流入侧和流出侧。该过滤元件包括至少两个过滤层,这些过滤层在它们的整个表面范围内限定的点和/或面处结合在一起。且至少一种过滤材料分别布置在流入侧和流出侧。
专利文献1:日本特表2005-512781
在(1)的情况下,通常三维过滤元件通过以下的连续步骤制造:将平板穿孔从而在其上获得通孔;将穿孔的平板形成为圆柱形或三维被加工体;焊接被加工体上的接缝且将增强构件焊接到已焊接的被加工体上。由于上述机械加工步骤和焊接步骤,在制成的部件上会产生应力,从而需要用于去除所述应力的附加步骤。结果,会损害制成的部件的精度且制造成本增加。
在(2)的情况下,过滤元件由过滤用绒头织物(filter fleece)和过滤用布构成且用于汽车的油过滤器、空气过滤器和燃料过滤器等,从而未考虑过滤元件的可洗性和卫生措施。
本发明是考虑到上述问题而做成的,目的在于提供一种尤其适合于食品加工用过滤元件和喷嘴的卫生且具有可洗结构的过滤部件,其中通过采用单一材料,获得了以下优点:能够减少制造过滤部件的步骤;减少外来微粒积聚的位置;不需要附加的增强件;由于不包含焊接步骤,制造步骤几乎不引起应力、裂纹等,结果能够获得具有高精度和高质量的制品。
发明内容
上述问题通过如下详述的过滤部件解决。
(1)一种过滤部件,包括具有厚度并由单一材料制成的被加工体,其特征在于:在所述被加工体的希望位置平行地形成有具有预定深度和底部厚度的多个凹槽,保持以下关系:被加工体的所述厚度=凹槽的深度+凹槽的底部厚度;在所述凹槽中穿设有多个通孔;除了所述凹槽之外,用作被加工体的强度保持部分的、具有厚度的其余部分形成为一体结构。
(2)根据(1)所述的过滤部件,其中:所述凹槽形成为长的直凹槽、不连续的直凹槽、螺旋形凹槽或环形凹槽,且具有希望的截面,例如直的截面或倾斜的截面。
(3)根据(1)所述的过滤部件,其中:所述通孔具有圆形、椭圆形、矩形或狭长形截面且用作液体的过滤器。
(4)根据(1)所述的过滤部件,其中:所述通孔具有从其进口到其出口的直孔,或从其宽进口到其窄出口的锥形孔。
(5)根据(1)所述的过滤部件,其中:所述过滤部件的表面的硬度高于所述过滤部件的其余部分。
本发明通过采用例如金属、陶瓷等单一材料,能够提供非常卫生的具有可洗结构的过滤部件,该过滤部件适于处理包括气体、固体或液体在内的任何流体,还尤其适于食品加工用的过滤元件,能够获得以下优点:能够减少制造过滤部件的步骤;减少外来微粒积聚的位置;不需要附加的增强件;由于不包含焊接步骤,制造步骤几乎不会引起应力、裂纹等,结果能够获得具有高精度和高质量的制品。
附图说明
图1是说明实施例1中的主要部分的结构的图。(a)是俯视图,(b)是侧视截面图,(c)是局部放大图,且(d)是通孔的截面图。
图2是说明实施例2中的主要部分的结构的图。(a)是俯视图,(b)是侧视截面图,(c)是局部放大图,且(d)是通孔的截面图。
图3是说明实施例3中的主要部分的结构的图。(a)是俯视图,(b)是侧视截面图。
具体实施方式
下面,参见附图说明过滤部件的优选实施例。
实施例1
参见图1说明实施例1。
图1是在用于加工例如蔬菜汁、水果汁等食品的过滤元件中采用的制成部件的图。凹槽1形成在具有厚度t并由单一材料制成的被加工体W(即,筒形体5)的希望位置(在本实施例中,为筒形体5的外表面)。在凹槽中穿设多个连续的通孔2。除了凹槽1之外,被加工体W的其余部分3具有强度保持功能,且总体上被加工体形成为一体结构。附图标记ф指的是筒形体5的外表面的直径。
作为用于被加工体W的单一材料,例如采用由钢、不锈钢、铝等各种金属制成的拉制管。单一材料被机加工成,凹槽1以预定间距p平行于纵向形成在筒形体5的外表面上,形成距筒形体5的内表面厚度为t1的底部。通孔2穿设在凹槽中,从而通孔2的长度对应于底部的厚度t1。如图1(d)所示,通孔2为从其开口F1到开口F2的直孔7。待处理的液体从Fi通过通孔2流到Fo。
如图1所示,作为被加工体W的筒形体5构成为具有凹部也就是具有预定长度和深度d1的凹槽1的一体结构穿孔部件。凹槽1的底部厚度为t1。除了凹槽1之外的其余部分3也就是筒形体5的两端以及相邻凹槽之间的部分具有厚度t。管状被加工体被切成具有预定长度的筒形体5。筒形体被机加工而获得具有长度L1、深度d1和底部厚度t1的凹槽。用作通孔2的直孔7通过机加工处理、激光辐射处理、锻造处理、以及例如水等高压液体的施用而在凹槽中穿设。
通过使用穿孔部件作为过滤元件,外来微粒积聚的位置减少,所以在液体通过过滤元件之后,仅仅是残渣剩留在过滤元件的预定位置上,即使是含有水果皮或小金属片的液体也是如此。残渣可通过用刮具刮擦筒形体5的精加工过的外表面来清除。
实施例2
如图2所示,实施例2的结构几乎与实施例1相同,除了通孔2的形状之外。在此,锥形孔8形成为通孔2,而在实施例1中,直孔7形成为通孔2。
如图2(d)所示,当待处理的液体从Fi流到Fo时,液体通过从宽的开口F1到窄的开口F2的锥形通道。形成在具有厚度t1的凹槽底部上的锥形孔由锥形部分8a和直的部分8b构成。附图标记L2指的是凹槽1的长度。在图2(d)中,流动方向图示为从Fi到Fo,但流动方向可以相反。
通孔的截面形状并不限于实施例1和实施例2的形状,截面可以形成为希望的形状,例如弧形。
由于其他特征与实施例1相同,故省略进一步的说明。
实施例3
如图3所示,在实施例3中,凹槽10形成在筒形体5的内表面上,而在实施例1和2中,凹槽1形成在筒形体5的外表面上。在图3中,通孔2图示为直孔7,但通孔可以形成为锥形孔8。
凹槽10的底部厚度为t2。凹槽10的深度和长度分别为d2和L3。
在用于食品加工或流体处理的过滤器所采用的过滤部件中,狭缝可以取代通孔形成在凹槽上。
凹槽的形状并不限于上述实施例的形状,只要满足希望的要求,可以随意地采用直线形、波形、Z字形、螺旋形凹槽等,同时凹槽的截面形状可以形成为希望的形状,例如直的形状、倾斜的形状等。
可以采用希望的机加工方法,例如锻造、铸造、切割、研磨、放电加工。
尤其是在选择金属被加工体的情形下,如果需要提高金属的表面硬度,可以容易地采用热处理、化学处理等。例如,当由不锈钢被加工体W形成的制成部件放置在具有氮气氛围的炉中时,在制成部件的表面上局部形成氮化铬层,从而氮化的部分得到增强。
Claims (5)
1.一种过滤部件,包括具有厚度并由单一材料制成的被加工体,其特征在于:
在所述被加工体的希望位置平行地形成有具有预定深度和底部厚度的多个凹槽,保持以下关系:被加工体的所述厚度=凹槽的深度+凹槽的底部厚度;
在所述凹槽中穿设有多个通孔;
除了所述凹槽之外,用作被加工体的强度保持部分的、具有所述厚度的其余部分形成为一体结构。
2.根据权利要求1所述的过滤部件,其特征在于:
所述凹槽形成为长的直凹槽、不连续的直凹槽、螺旋形凹槽或环形凹槽,且具有直的截面或倾斜的截面的希望截面。
3.根据权利要求1所述的过滤部件,其特征在于:
所述通孔具有圆形、椭圆形、矩形或狭长形截面且用作液体的过滤器。
4.根据权利要求1所述的过滤部件,其特征在于:
所述通孔具有从其进口到其出口的直孔,或从其宽进口到其窄出口的锥形孔。
5.根据权利要求1所述的过滤部件,其特征在于:
所述过滤部件的表面的硬度高于所述过滤部件的其余部分。
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Application Number | Priority Date | Filing Date | Title |
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JP304075/2005 | 2005-10-19 | ||
JP2005304075 | 2005-10-19 | ||
PCT/JP2006/316171 WO2007046185A1 (ja) | 2005-10-19 | 2006-08-17 | 孔明き加工部材 |
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CN101291738A CN101291738A (zh) | 2008-10-22 |
CN101291738B true CN101291738B (zh) | 2011-03-09 |
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JP (1) | JP4184422B2 (zh) |
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WO (1) | WO2007046185A1 (zh) |
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JP4701271B2 (ja) * | 2008-07-17 | 2011-06-15 | 日本ピラー工業株式会社 | 管継手用インナーリング、管継手、インナーリング製造方法 |
JP5186329B2 (ja) * | 2008-10-02 | 2013-04-17 | 日本ピラー工業株式会社 | 管継手用継手本体、管継手、継手本体製造方法 |
JP5640347B2 (ja) * | 2009-09-16 | 2014-12-17 | 三菱レイヨン株式会社 | 浄水器 |
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US8636034B2 (en) * | 2011-08-31 | 2014-01-28 | Plitek, L.L.C. | Oil-less and wetted pressure relief valves having an integrated filter |
US9187229B2 (en) | 2011-08-31 | 2015-11-17 | Plitek, L.L.C. | Oil-less pressure relief valves |
US8783292B2 (en) | 2011-08-31 | 2014-07-22 | Plitek, L.L.C. | Oil-less pressure relief valves |
WO2013090441A1 (en) * | 2011-12-14 | 2013-06-20 | Havel Michael Joseph | Filter support member |
EP2745909A1 (de) * | 2012-12-20 | 2014-06-25 | Siemens Aktiengesellschaft | Dampfsieb |
CN104436817A (zh) * | 2013-09-17 | 2015-03-25 | 贵阳铝镁设计研究院有限公司 | 一种用于腐蚀环境下的树脂过滤器 |
KR101763916B1 (ko) * | 2016-01-27 | 2017-08-01 | 주식회사 에이런 | 막힘이 없는 금속필터 및 이 금속필터를 내장한 영구필터조립체 |
US10358275B1 (en) | 2017-06-16 | 2019-07-23 | Plitek, L.L.C. | Pressure relief valve with a plural-part dry strap |
DE102018130809A1 (de) * | 2018-12-04 | 2020-06-04 | Dürr Systems Ag | Auffangvorrichtung für Spülmedien eines Zerstäubers |
US11352183B2 (en) | 2020-03-05 | 2022-06-07 | Plitek, L.L.C. | Pressure relief valve with wetting fluid reservoirs |
JP7190223B1 (ja) | 2021-06-24 | 2022-12-15 | 株式会社シュトルツ | 粉取機 |
JP7207773B1 (ja) | 2021-06-24 | 2023-01-18 | 株式会社シュトルツ | 粉取機 |
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JPH11347427A (ja) * | 1998-06-11 | 1999-12-21 | Sumitomo Metal Mining Co Ltd | 精米機フィルター |
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- 2006-08-17 CN CN200680038666XA patent/CN101291738B/zh not_active Expired - Fee Related
- 2006-08-17 WO PCT/JP2006/316171 patent/WO2007046185A1/ja active Search and Examination
- 2006-08-17 JP JP2007540893A patent/JP4184422B2/ja active Active
- 2006-08-17 US US12/083,113 patent/US20090145841A1/en not_active Abandoned
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CN1011483B (zh) * | 1987-04-22 | 1991-02-06 | 株式会社荒井铁工所 | 筒形的过滤和分离元件 |
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Also Published As
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WO2007046185A1 (ja) | 2007-04-26 |
CN101291738A (zh) | 2008-10-22 |
JPWO2007046185A1 (ja) | 2009-04-23 |
JP4184422B2 (ja) | 2008-11-19 |
US20090145841A1 (en) | 2009-06-11 |
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