CN104602884B - 制造分离栅的方法及分离栅 - Google Patents
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Abstract
用于制造在湿法冶金液‑液溶剂萃取沉降槽中使用的分离栅(1)的方法,该分离栅由聚合树脂制成。该分离栅(1)通过滚塑制造为壳状一体件。该分离栅(1)是滚塑的壳状一体件。
Description
技术领域
本申请涉及制造在湿法冶金液-液溶剂萃取沉降槽中使用的分离栅的方法。另外,本发明涉及分离栅。
背景技术
分离栅在湿法冶金液-液溶剂萃取沉降槽中使用以增强分散体的聚结。在申请人研发的技术(用于竖直平滑流的架)中,分离栅是所谓的栅(分散体排放门栅)(例如在文献US7517461中被公开)。
在现有技术中,分离栅典型地通过手工层压而通常由纤维增强塑料复合物(FRP)制成。通过手工层压制成的栅有很多缺点。手工层压使与流体流接触的栅的表面粗糙并且边缘尖锐,导致在流中形成漩涡和死区。尖锐的边缘导致不期望的涡流、喷流和射流。这导致在流型上有水垢堆积并且栅捕获脏物。栅的清洁是耗时和麻烦的。在粗糙表面和栅的尖锐边缘上的流体流也导致静电带电,静电带电可导致点燃沉降槽中的易燃气氛。如果在静电放电中释放充分的静电能,就会点燃从基于碳氢化合物的溶剂释放的挥发性有机物(VOC)。作为栅的制造方法,手工层压是缓慢、高成本的且有工艺差的弱点。在手工层压时,气泡也容易保持在该结构内,使栅结构弱化。
发明目的
本发明的目的是消除上述缺点。
特别是,本发明的目的是提供制造分离栅的方法和栅,能使栅的制造成本明显降低。
本发明的另外目的是提供制造分离栅的方法和栅,能在流接触栅表面时使在流中局部产生的不期望的漩涡、涡流、死区、喷流和射流最小化。
本发明的另外目的是提供制造分离栅的方法和分离栅,能使栅中堆积水垢和捕获脏物最少化,因此也使维护所需的时间最少。
本发明的另外目的是提供制造分离栅的方法和栅,能使溶剂的静电带电和VOC释放最小化,因此防止在溶剂萃取设备中着火。
发明内容
根据本发明的第一方面,本申请提供用于制造在湿法冶金液-液溶剂萃取沉降槽中使用的分离栅的方法。在该方法中,栅由聚合树脂材料制成。根据本发明,栅通过滚塑制造为壳状一体件。
根据第二方面,本发明提供用于在湿法冶金液-液溶剂萃取沉降槽中使用的分离栅,该分离栅由聚合树脂材料制成。根据本发明,栅为滚塑的壳状一体件。
滚塑是一种已被确立的批量生产方法,比手工层压经济得多。在滚塑中,制造是在模具中进行的。模具的表面能制造得非常平滑,并且所有的边缘能被倒圆,以便栅具有类似特点。因此,接触溶剂流的平滑表面和倒圆边缘在流接触分离栅的表面时能够使在流中局部产生的不期望的漩涡、涡流、死区、喷流和射流最小化。在栅中堆积的水垢和捕获的脏物以及维护所需的时间也被最小化。溶剂的VOC释放和静电带电最小化,因此使溶剂萃取设备中着火的风险最小化。
在本方法的一个实施例中,该方法包括:制造由两个半模制成的模具,这两个半模包括第一半模和第二半模,所述两个半模具有壁、该壁的内表面对应于栅的轮廓;把模具支撑成能够围绕两个垂直的轴线旋转;将聚合树脂材料粉末的料注入第一半模内;将第二半模安装在第一半模上以闭合模具;使模具围绕两个垂直的轴线旋转;在模具围绕两个垂直的轴线旋转的同时加热模具,以熔化聚合树脂材料并将其分散并粘在模具的壁上作为具有基本均匀的厚度并形成栅的层;停止加热模具;冷却模具;通过使两个半模分开来打开模具并从模具移出栅;并且,如果需要,则对栅进行精整。
在栅的一个实施例中,栅具有大体平面矩形壳体的形状,该壳体具有中空内部空间。
在栅的一个实施例中,栅包括竖直前壁、竖直后壁、两个竖直侧壁、顶壁和底壁。“前”和“后”涉及栅安装在沉降槽中时栅相对于溶剂流方向的取向。前壁是面对流的壁,后壁是其后的壁。
在栅的一个实施例中,前壁包括:入口开口,其定位在前壁的下部,在操作中,所述入口开口适于接纳分散体的流,该分散体的流进入前壁和后壁之间的内部空间;和出口开口,其定位在后壁处、相对于所述入口开口处于较高高度处,以便在操作中分散体受迫在前壁和后壁之间的内部空间中竖直流动并通过所述出口开口流出。
在栅的一个实施例中,栅包括贯穿通道,所述贯穿通道在栅的上部在高于出口开口的高度处延伸穿过栅。
在栅的一个实施例中,前壁和后壁中的至少一个包括朝向外的凸起,所述凸起沿栅的宽度水平延伸,因此该凸起在栅的面向内部空间的内表面处形成互补凹部。
在栅的一个实施例中,聚合树脂材料包括碳纤维。添加碳纤维来增强结构并减少静电带电。
附图说明
被包含以提供对本发明的进一步理解并组成说明书的一部分的附图图示出本发明的实施例并与说明一起帮助解释本发明的原理。在附图中:
图1至5示出根据本发明的一个实施例的分离栅的滚塑步骤,
图6示出从前侧和从斜上方观察的本发明的一个实施例的分离栅的轴测图,
图7示出从后侧和斜上方观察的图6的分离栅的轴测图,以及
图8是图6的VIII-VIII截面图。
具体实施方式
在用于制造在湿法冶金液-液溶剂萃取沉降槽中使用的分离栅1的方法中,栅1借助滚塑制造为壳状一体件。
制成由两个半模21,22构成的模具2,这两个半模包括第一半模21和第二半模22。半模21,22具有壁,该壁的内表面对应于栅1的轮廓。优选地,半模21,22由金属板制成,因此半模具有有良好导热性的薄金属壁。
如图1中所示的,模具2被支撑在旋转成型机中,以便模具围绕两个垂直的轴线旋转。将聚合树脂材料粉末3的料注入第一半模21内。聚合树脂材料粉末3可包括合适的添加剂,例如碳纤维。
如图1中所示的,将第二半模22安装在第一半模21上以闭合模具2。
如图3中所示的,模具2被放置在炉中,其中模具2在其围绕两个垂直轴线旋转的同时被加热。热熔化聚合树脂材料。由于旋转运动,熔化的聚合树脂材料分散并粘在模具2的壁上作为具有基本均匀的厚度并形成栅1的层。
如图4中所示的,在加热之后,模具2被放置在冷却站内,其中模具2借助喷洒冷却流体被冷却。
如图5中所示的,在冷却之后,通过使半模21,22彼此分开来打开模具2。栅1从模具移出。
最后,如所需要的,精整例如机加工可在栅1上进行。
图6至8示出在湿法冶金液-液溶剂萃取沉降槽中使用的分离栅1,该分离栅由聚合树脂材料制成。
栅1是滚塑的壳状一体件,该一体件具有大体平面矩形壳体的形状,所述壳体具有中空内部空间4。栅1包括竖直前壁5、竖直后壁6、两个竖直侧壁7,8、顶壁9和底壁10。
前壁5包括入口开口11。入口开口11定位在前壁5的下部处。在操作中,入口开口11接纳分散体流,分散体流进入前壁5和后壁6之间的内部空间4,并且受迫向上流到出口开口12,该出口开口位于后壁6处、处于相对于入口开口11较高的高度处。在操作中,分散体从内部空间经过所述出口开口12排出。
在栅1的上部,在高于出口开口12的高度处,栅1包括延伸穿过栅的贯穿通道13。
前壁5和后壁6都包括沿栅1的宽度水平延伸的朝向外的凸起14。凸起14在栅的面向内部空间4的内表面处形成互补凹部15。在操作中,这些凹部15增强了分散体的聚结。
对于本领域技术人员来说显然的是随着技术的进步本发明的基本思想可以多种方式实现。因而本发明及其实施例不限于上述实例;相反,它们可在权利要求的范围内变化。
Claims (8)
1.一种用于制造在湿法冶金液-液溶剂萃取沉降槽中使用的分离栅(1)的方法,在该方法中,分离栅由聚合树脂材料制成,其特征在于,通过滚塑来把分离栅(1)制造为壳状一体件,分离栅包括竖直前壁(5)和竖直后壁(6),前壁(5)和后壁(6)中的至少一个包括朝向外的凸起(14),所述凸起沿分离栅(1)的宽度水平延伸,因此所述凸起在分离栅的面向内部空间(4)的内表面处形成互补凹部(15)。
2.根据权利要求1所述的方法,其特征在于,所述方法包括:
-制造由两个半模(21,22)构成的模具(2),这两个半模包括第一半模(21)和第二半模(22),所述两个半模具有壁,所述壁的内表面对应于分离栅(1)的轮廓,
-把模具(2)支撑成能够围绕两个垂直的轴线旋转,
-将聚合树脂材料粉末(3)的料注入第一半模(21)内,
-将第二半模(22)安装在第一半模(21)上以闭合模具(2),
-使模具(2)围绕两个垂直的轴线旋转,
-在模具围绕两个垂直的轴线旋转的同时加热模具(2),以熔化聚合树脂材料并将其分散和粘在模具的壁上作为具有基本均匀的厚度和形成所述分离栅的层,
-停止加热模具(2),
-冷却模具(2),
-通过使两个半模(21,22)分开来打开模具(2),并从模具移出分离栅(1),并且
-如果需要,则对所述分离栅(1)进行精整。
3.一种在湿法冶金液-液溶剂萃取沉降槽中使用的分离栅(1),所述分离栅由聚合树脂材料制成,其特征在于,所述分离栅(1)是滚塑的壳状一体件,分离栅包括竖直前壁(5)和竖直后壁(6),前壁(5)和后壁(6)中的至少一个包括朝向外的凸起(14),所述凸起沿分离栅(1)的宽度水平延伸,因此所述凸起在分离栅的面向内部空间(4)的内表面处形成互补凹部(15)。
4.根据权利要求3所述的分离栅,其特征在于,所述分离栅(1)具有大体平面矩形壳体的形状,所述壳体具有中空的内部空间(4)。
5.根据权利要求4所述的分离栅,其特征在于,分离栅(1)包括竖直前壁(5)、竖直后壁(6)、两个竖直侧壁(7,8)、顶壁(9)和底壁(10)。
6.根据权利要求5所述的分离栅,其特征在于,前壁(5)包括
-入口开口(11),其定位在前壁的下部,在操作中,入口开口适于接纳分散体的流,所述分散体的流进入前壁(5)和后壁(6)之间的内部空间(4),和
-出口开口(12),其定位在后壁(6)处、相对于所述入口开口(11)处于较高高度处,以便在操作中分散体受迫在前壁和后壁之间的内部空间(4)中竖直流动并通过所述出口开口(12)流出。
7.根据权利要求6所述的分离栅,其特征在于,分离栅(1)包括贯穿通道(13),所述贯穿通道在所述分离栅的上部在高于出口开口(12)的高度处延伸穿过分离栅。
8.根据权利要求6至7中任一项所述的分离栅,其特征在于,聚合树脂材料包括碳纤维。
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FI20125716 | 2012-06-26 | ||
FI20125716A FI124030B (en) | 2012-06-26 | 2012-06-26 | Process for producing a separating element and separating element |
PCT/FI2013/050636 WO2014001618A1 (en) | 2012-06-26 | 2013-06-12 | Method of manufacturing a separation fence and separation fence |
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CN104602884A CN104602884A (zh) | 2015-05-06 |
CN104602884B true CN104602884B (zh) | 2017-06-13 |
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CN201380034067.0A Active CN104602884B (zh) | 2012-06-26 | 2013-06-12 | 制造分离栅的方法及分离栅 |
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US (1) | US9770847B2 (zh) |
EP (1) | EP2872306B1 (zh) |
CN (1) | CN104602884B (zh) |
AP (1) | AP4047A (zh) |
AU (1) | AU2013283122B2 (zh) |
BR (1) | BR112014032057B8 (zh) |
CA (1) | CA2875903C (zh) |
CL (1) | CL2014003488A1 (zh) |
EA (1) | EA028007B1 (zh) |
ES (1) | ES2642373T3 (zh) |
FI (1) | FI124030B (zh) |
IN (1) | IN2014KN02876A (zh) |
MX (1) | MX357436B (zh) |
PE (1) | PE20150309A1 (zh) |
PT (1) | PT2872306T (zh) |
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Families Citing this family (7)
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FI124674B (en) | 2012-06-26 | 2014-11-28 | Outotec Oyj | Solvent extraction procedure and solvent extraction basin |
FI123835B (en) | 2012-06-26 | 2013-11-15 | Outotec Oyj | Arrangement for a pool for solvent extraction |
FI123803B (en) | 2012-06-26 | 2013-10-31 | Outotec Oyj | Process for preparing a solvent extraction pool and solvent extraction pool |
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FI124030B (en) | 2012-06-26 | 2014-02-14 | Outotec Oyj | Process for producing a separating element and separating element |
CN110819796A (zh) * | 2019-11-18 | 2020-02-21 | 金川集团股份有限公司 | 一种萃取箱用旋转格栅装置 |
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Also Published As
Publication number | Publication date |
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BR112014032057A2 (pt) | 2017-08-08 |
CN104602884A (zh) | 2015-05-06 |
AP2014008153A0 (en) | 2014-12-31 |
BR112014032057B1 (pt) | 2021-09-14 |
EP2872306A1 (en) | 2015-05-20 |
PE20150309A1 (es) | 2015-03-03 |
EA028007B1 (ru) | 2017-09-29 |
CL2014003488A1 (es) | 2015-04-24 |
PT2872306T (pt) | 2017-10-16 |
CA2875903A1 (en) | 2014-01-03 |
ES2642373T3 (es) | 2017-11-16 |
FI20125716A (fi) | 2013-12-27 |
EA201590077A1 (ru) | 2015-06-30 |
US20150151460A1 (en) | 2015-06-04 |
EP2872306B1 (en) | 2017-08-09 |
FI124030B (en) | 2014-02-14 |
AU2013283122B2 (en) | 2016-02-25 |
MX2014015965A (es) | 2015-03-20 |
ZA201500536B (en) | 2016-08-31 |
AP4047A (en) | 2017-02-28 |
US9770847B2 (en) | 2017-09-26 |
AU2013283122A1 (en) | 2015-01-22 |
EP2872306A4 (en) | 2016-04-20 |
CA2875903C (en) | 2017-08-15 |
BR112014032057B8 (pt) | 2023-02-07 |
WO2014001618A1 (en) | 2014-01-03 |
MX357436B (es) | 2018-07-09 |
IN2014KN02876A (zh) | 2015-05-08 |
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