CN107206396A - 实体转鼓式离心机 - Google Patents
实体转鼓式离心机 Download PDFInfo
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B1/00—Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles
- B04B1/20—Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles discharging solid particles from the bowl by a conveying screw coaxial with the bowl axis and rotating relatively to the bowl
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- B—PERFORMING OPERATIONS; TRANSPORTING
- 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
- B01D21/262—Separation of sediment aided by centrifugal force or centripetal force by using a centrifuge
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B1/00—Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles
- B04B1/04—Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles with inserted separating walls
- B04B1/08—Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles with inserted separating walls of conical shape
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B11/00—Feeding, charging, or discharging bowls
- B04B11/02—Continuous feeding or discharging; Control arrangements therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B7/00—Elements of centrifuges
- B04B7/08—Rotary bowls
- B04B7/10—Bowls for shaping solids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B1/00—Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles
- B04B1/20—Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles discharging solid particles from the bowl by a conveying screw coaxial with the bowl axis and rotating relatively to the bowl
- B04B2001/2041—Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles discharging solid particles from the bowl by a conveying screw coaxial with the bowl axis and rotating relatively to the bowl with baffles, plates, vanes or discs attached to the conveying screw
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B1/00—Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles
- B04B1/20—Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles discharging solid particles from the bowl by a conveying screw coaxial with the bowl axis and rotating relatively to the bowl
- B04B2001/2058—Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles discharging solid particles from the bowl by a conveying screw coaxial with the bowl axis and rotating relatively to the bowl with ribbon-type screw conveyor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B1/00—Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles
- B04B1/20—Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles discharging solid particles from the bowl by a conveying screw coaxial with the bowl axis and rotating relatively to the bowl
- B04B2001/2066—Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles discharging solid particles from the bowl by a conveying screw coaxial with the bowl axis and rotating relatively to the bowl with additional disc stacks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B1/00—Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles
- B04B1/20—Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles discharging solid particles from the bowl by a conveying screw coaxial with the bowl axis and rotating relatively to the bowl
- B04B2001/2083—Configuration of liquid outlets
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Centrifugal Separators (AREA)
Abstract
本发明涉及一种实体转鼓式离心机,该实体转鼓式离心机具有水平伸长的、中空的、可旋转的实体壁转鼓(2)和被可旋转地安装在所述转鼓内侧并且大致在其整个长度上延伸的可旋转的螺旋输送器,该转鼓具有入口和出口,该输送器具有轴(6)和螺旋螺杆部(7)。其主要的特征在于,在轴上安装有多个截锥形碟片(24),其中碟片被螺旋螺杆部直接地围绕。利用这种设计,能够增加沉降器容量并且减少聚合物消耗。另外通过在较低的旋转速度(较低的g力)下获得与传统的倾析器相同的性能,能够减少功率消耗。
Description
技术领域
本发明涉及一种实体转鼓式离心机,该实体转鼓式离心机具有水平伸长的、中空的、可旋转的实体壁转鼓和被可旋转地安装在所述转鼓内侧并且大致在其整个长度上延伸的可旋转的螺旋输送器,该转鼓具有入口和出口,该输送器具有轴和螺旋螺杆部。
背景技术
对于不同的应用,比如例如淤泥应用中,实体转鼓式离心机被用于从液体中分离固体。大多数实体转鼓式离心机都包括伸长的输送器螺杆,其具有轴并且被连续的螺棱围绕。要被分离的悬浮液通过通常呈入口管的形式的入口来供给,该入口管与离心机的旋转轴线同轴地延伸。旋转槽(scroll)能够是逆流式设计,其中固体和液体在转鼓内侧沿相反的方向移动。在这种情形下,供给室远离液体出口,大约在输送器的中央部分中。另一种类型的旋转槽输送器能够是并流式设计,其中液体和固体在转鼓内侧沿相同的方向移动。在这种情形下,供给室靠近液体排出部,但是混合物不能绕过该处理。其随着固体朝向倾析器的锥形部分移动,直到其到达当其溢出到被固定在旋转槽本体上的管中时的点为止,然后其往回移动到液体排出部(见图2)。在US5310399中示出了沉降式离心机,其中在螺杆的绕圈之间,安装有平行于该绕圈延伸的多个螺旋翼片。在这种布置中,固体颗粒倾向于堵塞翼片之间的间隙,并且因此降低离心机的操作容量和分离精确性。在该专利中,旋转槽是逆流式设计。
发明内容
因此,本发明的目的在于,提供一种用于各种应用而不会堵塞的实体转鼓式离心机,该沉降式离心机还能够以高分离精确性、大量供给和降低的能量消耗的方式来分离泥浆或淤泥。
因此,本发明的特征在于,在轴上安装有多个截锥形碟片,其中碟片被螺旋螺杆部直接围绕,而在其之间没有任何分离壁。这允许具有碟片和螺棱的轴易于制造,并且使得朝向固体出口在转鼓的内表面上输送最干的滤饼成为可能。碟片能够相对于旋转轴线具有可变的角度。本发明的另外的实施例的特征在于,碟片的直径沿着轴的长度变化。利用这种特征,分离能够被调节到供给的固体含量。进一步地考虑了在操作期间在机器内侧所沉积的固体的层。因此,即使具有高的固体含量,也不会存在阻塞。
本发明的另一个实施例的特征在于,在碟片之间的距离沿着轴的长度变化。利用在碟片之间不同的间隙,能够考虑固体负载以及机器中的混合物的局部浓度。此外,能够避免在碟片之间的阻塞。
本发明的改进的实施例的特征在于,靠近(液体)出口,碟片的直径逐渐地增加并且在碟片之间的距离逐渐地减少。这改进了离心机内侧的沉降和净化时间。
本发明的有利改进的特征在于,碟片的至少一部分具有开口,其中开口可以具有孔或窗的形式,该孔或窗具有不同的形状以及一致的分布或者不一致的分布。通过这种开口或孔,在降低颗粒再次悬浮的风险的同时改进了沉降。所以,混合物在没有滞流(死区)的情形下被迫在碟片之间待更长的时间,以便改进沉降和净化时间。在一致的分布中,碟片的开口都在平行于旋转轴线的轴线上。在不一致的分布中,混合物将在碟片之间待更长的时间,这改进了沉降。这些截锥形的碟片能够以并流式和逆流式设计被安装在旋转槽上。
附图说明
现在通过下列附图中的示例来解释本发明,其中:
图1示出了现有技术的沉降式离心机,
图2示出了根据本发明的实体转鼓式离心机的实施例,
图3示出了具有不同的在碟片之间的距离的旋转槽的一部分,
图4示出了具有不同间隙和不同直径的本发明的实施例,
图5示出了具有在碟片中的孔的一致分布的本发明的实施例,
图6示出了具有在碟片中的孔的不一致分布的本发明的实施例。
具体实施方式
图1中的根据现有技术的沉降式离心机1由水平的、轴向对称的转鼓2组成,该转鼓具有圆筒形部分3和锥形部分4。转鼓2包括伸长的输送器螺杆5,输送器螺杆5具有中央本体部或轴6并且由连续的螺棱7围绕。转鼓2在其端部处分别由轴承8和9可旋转地支撑,并且经由齿轮10被驱动,从而以公知的方式确保转鼓2和输送器5在操作中相对于彼此旋转。
通过入口11来供给要被分离的悬浮液,该入口11呈入口管12的形式并且与离心机的旋转轴线同轴地延伸穿过轴6中所提供的中央通道13。管12在横向的径向通道14中终止,该通道14排出到离心机的分离空间15中。操作中的液位线由虚线16和实线17来示意。在空间15中分离之后,固体通过孔口18被排出,而液体通过转鼓的端部处的孔19被排出。
输送器5被构造成具有封闭的腔体20和21的中空体。另外,径向支撑轴承22设有适于与轴6上的圆形轴环23的径向内表面协作的径向外表面。
图2中示出了根据本发明的实体转鼓式离心机1。相似的部件具有与图1中相同的附图标记。该沉降式离心机1也具有转鼓2,该转鼓2具有圆筒形部分3和锥形部分4。该沉降式离心机1还具有螺棱7(具有并流式设计),然而该螺棱7在转鼓2的圆筒形部分3的内表面处或多或少地刮擦。多个碟片24被直接安装在轴6上,所述碟片在这里被示出为锥形碟片。这些碟片被螺棱7直接地围绕,而在其之间没有任何的分离壁。为了允许液体(在大多数情形中是水)被分离和排出,提供了中央通道13。在外部的径向通道14处,液体和固体颗粒的混合物在向锥形部分4的方向上被输送,在锥形部分4处,分离的固体被排出。固体颗粒由于重力而被输送到转鼓2的外径,而液相由于转鼓的中心中的溢出而被恢复。通过大量锥形设计的碟片24,表面将关于转鼓2的轴线倾斜。因此,液体仅仅流动穿过小的颗粒层。另外,颗粒的沉降速度被增加,这导致较短的净化时间。所以,倾析器容量能够被增加并且减少必要的聚合物消耗。与高转鼓速度的传统倾析器相比,另外的选择将是通过以较低的速度而保持相同的性能来运行沉降式离心机来节省能量。
图3示出了轴6的一部分。该部分绕整个转鼓的旋转轴线25旋转。在轴6的外侧处,存在中央通道13,而在离轴6的一定距离处,存在径向通道14,在该径向通道14处,液体固体混合物被引入,并且在主要地通过重力来分离之后,固体被螺棱7输送到锥形部分。在轴上安装有多个碟片24,在所述碟片之间发生液体和固体的分离。
在图4中示出了具有不同的碟片直径和在碟片24之间的不同间隙的设计(具有逆流式设计的螺旋槽)。这里,碟片24的数目和直径靠近液体出口逐渐地增加。利用这种设计,能够利用倾析器来管理中级和高级负载。
图5示出了本发明的另一个实施例。这里,碟片24具有孔26,其中分布是一致的,即,孔26处于相同的轴线上。通过这种孔,在碟片24之间的流动能够被改进,特别是对于增稠应用。取代孔,还可以使用具有不同形状的呈窗的形式的开口。而且,对于液体这会有较小的紊流,这将减少倾析器内侧的固体的再次悬浮。
图6示出了碟片24中的孔26的不同布置。这里,存在孔26的不一致分布。通过该措施,在碟片之间的流动时间将被延长了,并且因此获得了更好的沉降。
Claims (9)
1.一种实体转鼓式离心机,所述实体转鼓式离心机具有水平伸长的、中空的、可旋转的实体壁转鼓,和可旋转的螺旋输送器,所述螺旋输送器被可旋转地安装在所述转鼓内部并且大致在其整个长度上延伸,所述转鼓具有入口和出口,所述螺旋输送器具有轴和螺旋螺杆部,其特征在于,在所述轴上安装有多个截锥形碟片,其中所述碟片被所述螺旋螺杆部直接地围绕。
2.根据权利要求1所述的实体转鼓式离心机,其特征在于,所述轴的仅一部分被覆盖有碟片。
3.根据权利要求1或2所述的实体转鼓式离心机,其特征在于,所述碟片的直径沿着所述轴的长度变化。
4.根据权利要求1至3中的任一项所述的实体转鼓式离心机,其特征在于,所述碟片之间的距离沿着所述轴的长度变化。
5.根据权利要求3或4所述的实体转鼓式离心机,其特征在于,靠近所述(液体)出口,所述碟片的直径逐渐地增加并且所述碟片之间的距离逐渐地减少。
6.根据权利要求1至5中的任一项所述的实体转鼓式离心机,其特征在于,所述碟片的至少一部分具有开口。
7.根据权利要求6所述的实体转鼓式离心机,其特征在于,所述开口具有带有不同形状的孔或窗的形式。
8.根据权利要求6或7所述的实体转鼓式离心机,其特征在于,所述开口具有一致分布。
9.根据权利要求6或7所述的实体转鼓式离心机,其特征在于,所述开口具有不一致分布。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP15153152.2A EP3050629A1 (en) | 2015-01-30 | 2015-01-30 | Solid bowl centrifuge |
| EP15153152.2 | 2015-01-30 | ||
| PCT/EP2016/051440 WO2016120202A1 (en) | 2015-01-30 | 2016-01-25 | Solid bowl centrifuge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107206396A true CN107206396A (zh) | 2017-09-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201680007211.5A Pending CN107206396A (zh) | 2015-01-30 | 2016-01-25 | 实体转鼓式离心机 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20180001329A1 (zh) |
| EP (1) | EP3050629A1 (zh) |
| JP (1) | JP2018503510A (zh) |
| CN (1) | CN107206396A (zh) |
| CA (1) | CA2974459A1 (zh) |
| WO (1) | WO2016120202A1 (zh) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107694768A (zh) * | 2017-10-26 | 2018-02-16 | 江苏赛德力制药机械制造有限公司 | 卧式螺旋沉降碟片离心机 |
| CN112188932A (zh) * | 2018-05-25 | 2021-01-05 | 利乐拉瓦尔集团及财务有限公司 | 离心分离器 |
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| EP3050629A1 (en) * | 2015-01-30 | 2016-08-03 | Andritz S.A.S. | Solid bowl centrifuge |
| CN106964497A (zh) * | 2017-05-26 | 2017-07-21 | 安徽普源分离机械制造有限公司 | 一种分离彻底的卧式螺旋自动卸料沉降离心机 |
| SG11202002031TA (en) * | 2017-09-15 | 2020-04-29 | Ymir Tech Ehf | Integrated waste conversion system and method |
| GB2572331B (en) | 2018-03-26 | 2022-03-09 | Gm Innovations Ltd | An apparatus for separating components of a fluid stream |
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- 2016-01-25 JP JP2017537222A patent/JP2018503510A/ja not_active Withdrawn
- 2016-01-25 CA CA2974459A patent/CA2974459A1/en not_active Abandoned
- 2016-01-25 US US15/546,313 patent/US20180001329A1/en not_active Abandoned
- 2016-01-25 WO PCT/EP2016/051440 patent/WO2016120202A1/en not_active Ceased
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107694768A (zh) * | 2017-10-26 | 2018-02-16 | 江苏赛德力制药机械制造有限公司 | 卧式螺旋沉降碟片离心机 |
| CN107694768B (zh) * | 2017-10-26 | 2023-11-14 | 江苏赛德力制药机械制造有限公司 | 卧式螺旋沉降碟片离心机 |
| CN112188932A (zh) * | 2018-05-25 | 2021-01-05 | 利乐拉瓦尔集团及财务有限公司 | 离心分离器 |
Also Published As
| Publication number | Publication date |
|---|---|
| US20180001329A1 (en) | 2018-01-04 |
| EP3050629A1 (en) | 2016-08-03 |
| JP2018503510A (ja) | 2018-02-08 |
| CA2974459A1 (en) | 2016-08-04 |
| WO2016120202A1 (en) | 2016-08-04 |
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Application publication date: 20170926 |