EP3441144B1 - Séparateur de broyage du type à agitation et dispositif de broyage - Google Patents

Séparateur de broyage du type à agitation et dispositif de broyage Download PDF

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Publication number
EP3441144B1
EP3441144B1 EP16901222.6A EP16901222A EP3441144B1 EP 3441144 B1 EP3441144 B1 EP 3441144B1 EP 16901222 A EP16901222 A EP 16901222A EP 3441144 B1 EP3441144 B1 EP 3441144B1
Authority
EP
European Patent Office
Prior art keywords
separation
separator
hole
grinding device
spiral
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP16901222.6A
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German (de)
English (en)
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EP3441144A1 (fr
EP3441144A4 (fr
Inventor
Tianyi ZHAN
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Boyee (shenzhen) Industrial Technology Co Ltd
Original Assignee
Boyee (shenzhen) Industrial Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by Boyee (shenzhen) Industrial Technology Co Ltd filed Critical Boyee (shenzhen) Industrial Technology Co Ltd
Priority to HUE16901222A priority Critical patent/HUE064931T2/hu
Publication of EP3441144A1 publication Critical patent/EP3441144A1/fr
Publication of EP3441144A4 publication Critical patent/EP3441144A4/fr
Application granted granted Critical
Publication of EP3441144B1 publication Critical patent/EP3441144B1/fr
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
    • B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
    • B02C17/16—Mills in which a fixed container houses stirring means tumbling the charge
    • B02C17/161—Arrangements for separating milling media and ground material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
    • B02C17/18—Details
    • B02C17/183—Feeding or discharging devices
    • B02C17/1835—Discharging devices combined with sorting or separating of material

Definitions

  • the invention relates to the technical field of grinding, in particular to a grinding device comprising a stirring-type grinding separator.
  • Document EP 2 857 105 A1 relates to a filtering centrifuge of the field of solid-liquid separation, the centrifuge including a screw discharger.
  • An example of a grinding device comprising a separator is disclosed in EP 2036613 A2 .
  • the main technical issue to be settled by the invention is to provide a grinding device comprising a stirring-type grinding separator.
  • the stirring-type grinding separator can layer materials in the separator according to particle sizes, so that material accumulation around the separator is avoided, thus, improving the separation efficiency.
  • the invention provides a grinding device.
  • the grinding device comprises a stirring-type grinding separator.
  • the stirring-type grinding separator comprises a separation cover and a separation impeller coaxial with the separation cover.
  • a spiral separator is disposed in the separation cover and has an end connected with the separation impeller and an end matched with a through hole in the separation cover.
  • a plurality of blades are evenly distributed on an edge of the separation impeller, and a channel is formed between every two adjacent blades.
  • the spiral separator is conical and has a small end located inside the separation cover.
  • the spiral separation groove is formed in the outer surface of the conical spiral separator and has two ends respectively communicated with a feeding channel of the separation impeller and the through hole.
  • the number of the blades is 3-12.
  • gaps allowing media to move therein are formed between the blades and the outer surface of the spiral separator.
  • the separation impeller and the separation cover are cylindrical.
  • the separation cover is provided with a separation cavity matched with the spiral separator.
  • the through hole is formed in the outer end face of the separation cover and is communicated with the separation cavity.
  • An annular step is disposed around the through hole.
  • section of the spiral groove can be square, trapezoidal, semi-circular or C-shaped.
  • the spiral separator is provided with a fixing hole to be connected with a separation rotating shaft.
  • the separation rotating shaft comprises discharging channel shaft and a solid shaft, wherein the discharging channel shaft is provided with a blind hole, the solid shaft is located in the fixing hole, the discharging channel hole is located outside the separation cover, and the blind hole of the discharging channel shaft is provided with at least one guide hole through which the blind hole is communicated with the separation cavity or the spiral groove.
  • the included angle between the two guide holes is 30°-60°.
  • the separation cavity is conical and has a small-area end located on the inner side of the separation cover.
  • through hole communicates with the conical separation cavity.
  • a plurality of blades are evenly distributed on the edge of the separation impeller, and a channel is formed between every two adjacent blades.
  • the number of the blades is 3-12.
  • the separation impeller and the separation cover are cylindrical.
  • the spiral separator is provided with a fixing hole to be connected with a separation rotating shaft.
  • the separation rotating shaft comprises a discharging channel shaft and a solid shaft, wherein the discharging channel shaft is provided with a blind hole and located outside the separation cover, and the solid shaft is located in the fixing hole.
  • the blind hole of the discharging channel shaft is provided with at least one guide hole through which the blind hole and the separation cavity or the spiral groove are communicated.
  • the included angle between the two guide holes is 30°-60°.
  • section of the spiral groove can be square, trapezoidal, semi-circular or C-shaped.
  • the through hole is formed in the outer end face of the separation cover and is communicated with the separation cavity.
  • An annular step is disposed around the through hole.
  • the grinding separator comprises the separation cover and the separation impeller coaxial with the separation cover.
  • the spiral separator is disposed in the separation cover and has an end connected with the separation impeller and an end matched with the through hole in the separation cover.
  • the separation rotating shaft is driven by a motor to rotate at a high speed, a negative pressure is formed in the separation cover under the effect of the separation impeller, and materials enter the spiral groove via the channels between the blades and are distributed, under the effect of a centrifugal force generated by the spiral separator, by mass or by diameter in a manner that the mass of the materials is gradually decreased from the bottom to the end of the spiral groove, that is to say, small-mass or small-diameter materials are located at the end of the spiral groove, large-mass or large-diameter materials are located at the bottom of the spiral groove; and at the same time, the materials are pushed to move towards the discharging channel from the spiral groove, and when transferred to an outlet of a separation channel under the effect of the spiral groove, the materials
  • the invention provides one embodiment of a grinding device comprising a stirring-type grinding separator.
  • the stirring-type grinding separator comprises a separation cover 1 and a separation impeller 2 coaxial with the separation cover 1.
  • a spiral separator 3 is disposed in the separation cover 1 and has an end connected with the separation impeller 2 and an end matched with a through hole 10 in the separation cover 1.
  • the separation impeller 2 is cylindrical, and the separation cover 1 is also cylindrical.
  • a plurality of blades 22 are evenly distributed on an edge of the separation impeller 2.
  • a channel 21 is disposed between every two adjacent blades 22.
  • the number of the blades 22 can be 3-12 as needed, and the invention has no limitation in this regard.
  • Gaps 23 allowing media to move therein are formed between the blades 22 and the outer surface of the bottom of the spiral separator 3. Materials can smoothly enter a spiral groove 32 on the spiral separator 3 via the gaps 23.
  • the spiral groove 32 spirally rises to the end of the spiral separator 3 from the bottom of the outer surface of the separator 3, and the spiral angle of the spiral groove 32 is at least 360°.
  • the separation cover 1 is provided with a cavity used for accommodating the spiral separator 3.
  • the spiral groove 32 forms an airtight channel; in the separation process, materials move along the airtight channel formed between the spiral groove 32 and the cavity of the separation cover, and the situation that materials directly enter two adjacent spiral sections of the spiral grooves 32, and consequentially, materials with large size differences are gathered at the same position, and the separation effect is affected is avoided.
  • An end face, matched with a separation rotating shaft 4, of the separation cover 1 is provided with the through hole 10 communicated with the cavity.
  • the through hole 10 is communicated with an opening of the spiral groove 32.
  • An annular step 11 is disposed around the through hole 10. Materials can leave a separation cavity (not shown) and enter a discharging channel to be discharged via the through hole 10.
  • the annular step 11 is structurally matched with the separation rotating shaft 4, so that the airtightness between the separation rotating shaft 4 and the separation cover 1 is improved.
  • the spiral separator 3 is provided with a fixing hole 30 to be connected with the separation rotating shaft 4.
  • the separation rotating shaft 4 comprises a hollow shaft 40 and a solid shaft 41, wherein the hollow shaft 40 is provided with a blind hole 43 and located outside the separation cover 1, and the solid shaft 41 is located in the fixing hole 30.
  • the separation impeller 2, the spiral separator 3 and the separation cover 1 can be fixed together through the separation rotating shaft 4.
  • the blind hole 43 serves as one part of a discharging channel and has an end face provided with two guide holes 42 through which the blind hole 43 and the separation cavity are communicated.
  • the guide holes 42 preferably correspond to the spiral groove 32 in position so that materials can enter the discharging channel more smoothly.
  • the included angle between the two guide holes 42 is 30°-60°.
  • the spiral groove 32 spirally rises so that materials can be separated by mass or diameter from outside to inside in the separation process. Meanwhile, the spiral groove is a slope so that materials can be pushed towards the discharging channel more easily in the separation process, and thus, the separation and discharging efficiency is improved.
  • the separation rotating shaft 4 is driven by a motor to rotate at a high speed, a negative pressure is formed in the separation cover 1 under the effect of the separation impeller 2, and materials enter the spiral groove 32 via the channels 21 between the blades 22 and are distributed, under the effect of a centrifugal force generated by the spiral separator 3, by mass or diameter in a manner that the mass of the materials is gradually decreased from the bottom to the end of the spiral groove, that is to say, small-mass or small-diameter materials are located at the end of the spiral groove, and large-mass or large-diameter materials are located at the bottom of the spiral groove; and at the same time, the materials are pushed to move towards the discharging channel from the spiral groove, and when transferred to an outlet of a separation channel under the effect of the spiral groove, the materials are separated and discharged.
  • An escape hole can be formed at a proper position of the separation cover 1 as needed and is located on the spiral groove 32. Large-mass or large-diameter materials entering the spiral groove 32 can be released through the escape hole, and thus, the separation effect is improved.
  • the invention has no special limitation on the structure of the spiral groove 32, and the section of the spiral groove 32 can be square, trapezoidal, semicircular or C-shaped.
  • the spiral groove 32 is preferably of a semicircular or C-shaped structure.
  • the invention further provides a second embodiment of the grinding device on the basis of the first embodiment.
  • the section, along the central axis, of the spiral separator 3 is in an inverted cone shape, that is to say, the spiral separator 3 has a conical top at the end connected with the separation impeller 2 and a conical bottom at the end matched with the separation rotating shaft 4.
  • the cavity in the separation cover matched with the spiral separator 3 in such shape is structurally matched with the spiral separator 3, and after the cavity is matched with the spiral separator 3, the separation groove 32 forms an airtight pipeline structure with two ends respectively connected with one of the channels 21 between the blades 22 and one of the guide holes 42.
  • the second embodiment is identical with the first embodiment in other structural aspects and the working principle and thus will not be described again.
  • the invention further provides a third embodiment of the grinding device on the basis of the first embodiment.
  • the section, along the central axis, of the spiral separator 3 is cylindrical, that is to say, the spiral separator 3 has a conical top at the end connected with the separation impeller 2 and a conical bottom at the end matched with the separation rotating shaft 4.
  • the cavity in the separation cover matched with the spiral separator 2 in such shape is structurally matched with the spiral separator 3, and after the cavity is matched with the spiral separator 3, the separation groove 32 forms an airtight pipeline structure with two ends respectively connected with one of the channels 21 between the blades 22 and one end of the guide holes 42.
  • the third embodiment is identical with the first embodiment in other structural aspects and the working principle and thus will not be described again.
  • the invention further includes an embodiment of a stirring-type grinding separator.
  • the grinding separator comprises a separation impeller and a separation cover.
  • a conical separation cavity is formed in the separation cover and has an open end matched with the separation impeller.
  • the side wall of the separation cavity is provided with a spiral separation groove or a spiral separation step from outside to inside.
  • the separation cavity of the separation cover is conical and has a small-area end located inside the separation cavity.
  • a plurality of blades 22 are evenly distributed on an edge of the separation impeller 2.
  • a channel 21 is formed between every two adjacent blades 22.
  • the number of the blades 22 can be 3-12 as needed, and the invention has no limitation in this regard. Gaps allowing media to move therein are formed between the blades 22 and the outer surface of a spiral separator 3, and materials can smoothly enter the spiral groove 32 on the spiral separator 3 via the gaps.
  • the separation impeller 2 is cylindrical, and the separation cover is also cylindrical.
  • the spiral groove 32 spirally rises from the bottom to the end of the spiral separator 2, and the spiral angle of the spiral groove 32 is at least 360°.
  • An end face, matched with a separation rotating shaft 4, of the separation cover 1 is provided with a through hole 10 communicated with the cavity.
  • An annular step 11 is disposed around the through hole 10. Materials can leave the separation cavity (not shown) and enter a discharging channel to be discharged via the through hole 10.
  • the annular step 11 is structurally matched with the separation rotating shaft 4, and thus, the airtightness between the separation rotating shaft 4 and the separation cover 1 is improved.
  • the spiral separator 3 is provided with a fixing hole 30 to be connected with the separation rotating shaft 4.
  • the separation rotating shaft 4 comprises a hollow shaft 40 and a solid shaft 41, wherein the hollow shaft 40 is provided with a blind hole 43 and located outside the separation cover 1, and the solid shaft 41 is located in the fixing hole 30.
  • the separation impeller 2, the spiral separator 3 and the separation cover 1 can be fixed together through the separation rotating shaft 4.
  • the blind hole 43 serves as one part of the discharging channel and has an end face provided with two guide holes 42 through which the blind hole 43 and the separation cavity are communicated.
  • the guide holes 42 preferably correspond to the spiral groove 32 in position so that materials can enter the discharging channel more smoothly.
  • the included angle between the two guide holes 42 is 30°-60°.
  • the spiral groove 32 spirally rises so that materials can be separated, by mass or diameter, from outside to inside in the separation process. Meanwhile, the spiral groove is a slope so that materials can be pushed towards the discharging channel more easily in the separation process, and thus, the separation and discharging efficiency is improved.

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Centrifugal Separators (AREA)
  • Crushing And Grinding (AREA)

Claims (11)

  1. Dispositif de broyage, comprenant un séparateur broyeur de type mélangeur, le séparateur broyeur de type mélangeur comprenant un capot de séparation (1) et une turbine de séparation (2) coaxiale avec le capot de séparation, et un séparateur en spirale (3) étant disposé dans le capot de séparation et ayant une extrémité connectée à la turbine de séparation et une extrémité correspondant à un trou traversant (10) du capot de séparation.
  2. Dispositif de broyage selon la revendication 1, dans lequel une pluralité de lames (22) sont réparties régulièrement sur un bord de la turbine de séparation, et un canal (21) est formé entre deux lames adjacentes parmi lesdites lames.
  3. Dispositif de broyage selon l'une quelconque des revendications 1 et 2, dans lequel le séparateur en spirale est conique et a une petite extrémité située à l'intérieur du capot de séparation, et une gorge en spirale (32) est formée dans une surface extérieure du séparateur en spirale conique et a deux extrémités respectivement en communication avec un canal d'alimentation de la turbine de séparation et le trou traversant.
  4. Dispositif de broyage selon la revendication 2, dans lequel des intervalles (23) permettant à des fluides de circuler dedans sont pratiqués entre les lames et une surface extérieure du séparateur en spirale.
  5. Dispositif de broyage selon la revendication 3, dans lequel le séparateur en spirale est pourvu d'un trou de fixation (30) et connecté à un arbre rotatif de séparation (4) dans le trou de fixation, l'arbre rotatif de séparation comprenant un arbre creux (40) et un arbre solide (41), l'arbre creux étant pourvu d'un trou borgne (43) et situé à l'extérieur du capot de séparation, l'arbre solide étant situé dans le trou de fixation, et le trou borgne de l'arbre creux étant pourvu d'au moins un trou de guidage (42) à travers lequel le trou borgne et la gorge en spirale sont en communication.
  6. Dispositif de broyage selon la revendication 5, dans lequel le capot de séparation est pourvu d'une cavité de séparation correspondant au séparateur en spirale, le trou borgne est formé dans une face terminale extérieure du capot de séparation et est en communication avec la cavité de séparation, et une marche annulaire (11) est disposée autour du trou traversant.
  7. Dispositif de broyage selon la revendication 5, dans lequel le nombre de trous de guidage est de 2, un angle inclus entre les deux trous de guidage étant de 30° à 60°.
  8. Dispositif de broyage selon la revendication 2, dans lequel le nombre de lames est de 3 à 12.
  9. Dispositif de broyage selon la revendication 1, dans lequel la turbine de séparation et le capot de séparation sont cylindriques.
  10. Dispositif de broyage selon la revendication 6, dans lequel la cavité de séparation est conique et porte une extrémité de petite superficie située sur une face intérieure du capot de séparation.
  11. Dispositif de broyage selon la revendication 10, dans lequel le trou traversant communique avec la cavité de séparation conique.
EP16901222.6A 2016-05-09 2016-05-09 Séparateur de broyage du type à agitation et dispositif de broyage Active EP3441144B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
HUE16901222A HUE064931T2 (hu) 2016-05-09 2016-05-09 Keverõ-õrlõszeparátor és õrlõberendezés

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2016/081468 WO2017193267A1 (fr) 2016-05-09 2016-05-09 Séparateur de broyage du type à agitation et dispositif de broyage

Publications (3)

Publication Number Publication Date
EP3441144A1 EP3441144A1 (fr) 2019-02-13
EP3441144A4 EP3441144A4 (fr) 2019-05-08
EP3441144B1 true EP3441144B1 (fr) 2023-10-11

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EP16901222.6A Active EP3441144B1 (fr) 2016-05-09 2016-05-09 Séparateur de broyage du type à agitation et dispositif de broyage

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EP (1) EP3441144B1 (fr)
ES (1) ES2963544T3 (fr)
HU (1) HUE064931T2 (fr)
WO (1) WO2017193267A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110694750A (zh) * 2019-10-22 2020-01-17 上海琥崧智能科技股份有限公司 一种螺旋出料的卧式砂磨机及螺旋出料方法
CN113546731A (zh) * 2021-07-20 2021-10-26 东莞市华汇精密机械有限公司 一种新型纳米砂磨机

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6039426B2 (ja) * 1977-01-08 1985-09-05 株式会社クボタ 遠心脱水機
US5667681A (en) * 1996-04-03 1997-09-16 Elgin National Industries, Inc. Flight tip extensions for centrifugal separator
DE102007043670A1 (de) * 2007-09-13 2009-04-02 Netzsch-Feinmahltechnik Gmbh Rührwerkskugelmühle
CN201579117U (zh) * 2010-01-21 2010-09-15 江西电化中达化工有限公司 一种变频离心机
DE102010053484A1 (de) * 2010-12-04 2012-06-06 Netzsch-Feinmahltechnik Gmbh Dynamisches Element für die Trenneinrichtung einer Rührwerkskugelmühle
CN103447168B (zh) * 2012-05-31 2015-09-09 沧州市华油飞达固控设备有限公司 螺旋卸料过滤离心机的螺旋卸料器
CN203494623U (zh) * 2013-04-27 2014-03-26 占天义 研磨分离器
CN205868517U (zh) * 2016-05-09 2017-01-11 占天义 搅拌式研磨分离装置及研磨装置
CN105880001B (zh) * 2016-05-09 2023-07-04 博亿(深圳)工业科技有限公司 搅拌式研磨分离器、研磨分离装置及研磨装置

Also Published As

Publication number Publication date
EP3441144A1 (fr) 2019-02-13
HUE064931T2 (hu) 2024-04-28
EP3441144A4 (fr) 2019-05-08
ES2963544T3 (es) 2024-03-27
WO2017193267A1 (fr) 2017-11-16

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