WO2020042679A1 - Broyeur de ciment à cylindres vertical, à plusieurs cylindres, ayant des cylindres de broyage alternativement au repos - Google Patents

Broyeur de ciment à cylindres vertical, à plusieurs cylindres, ayant des cylindres de broyage alternativement au repos Download PDF

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Publication number
WO2020042679A1
WO2020042679A1 PCT/CN2019/087902 CN2019087902W WO2020042679A1 WO 2020042679 A1 WO2020042679 A1 WO 2020042679A1 CN 2019087902 W CN2019087902 W CN 2019087902W WO 2020042679 A1 WO2020042679 A1 WO 2020042679A1
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WO
WIPO (PCT)
Prior art keywords
roller
grinding
swing
cement vertical
grinding roller
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.)
Ceased
Application number
PCT/CN2019/087902
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English (en)
Chinese (zh)
Inventor
王泽�
丁同华
丁浩
丁业
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.)
Jiangsu Pengfei Group Co Ltd
Original Assignee
Jiangsu Pengfei Group 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.)
Filing date
Publication date
Application filed by Jiangsu Pengfei Group Co Ltd filed Critical Jiangsu Pengfei Group Co Ltd
Publication of WO2020042679A1 publication Critical patent/WO2020042679A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • B02C15/00—Disintegrating by milling members in the form of rollers or balls co-operating with rings or discs
    • B02C15/06—Mills with rollers forced against the interior of a rotary ring, e.g. under spring action
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C15/00—Disintegrating by milling members in the form of rollers or balls co-operating with rings or discs
    • B02C15/004—Shape or construction of rollers or balls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C15/00—Disintegrating by milling members in the form of rollers or balls co-operating with rings or discs
    • B02C15/007—Mills with rollers pressed against a rotary horizontal disc
    • 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

Definitions

  • the present invention relates to a vertical roller mill, and in particular to a multi-roller cement vertical roller mill which is reserved for each other.
  • roller vertical mills are widely used in the cement industry.
  • the reason why roller vertical mills are widely recognized is mainly because of their working principles, grinding
  • the mechanism, equipment structure, and system processability all have their unique advantages.
  • the process system is simple and easy to control. It can make extensive use of the exhaust gas from the preheater kiln, and save energy consumption, high milling efficiency, and ball milling. Compared with the system, it has a small footprint, simple process system, low capital investment, low energy consumption, low metal consumption, and low noise. Both the system and the stand-alone machine have a smaller weight than the ball mill, which can save a lot of metal materials.
  • roller mills have been widely used in domestic and foreign cement production.
  • the technical problem to be solved by the present invention is to provide a multi-roller cement vertical roller mill which is reserved for each other to solve the above technical problems.
  • the specific technical solution is as follows: Provide a multi-roller cement vertical roller mill which is used for each other.
  • the multi-roller cement vertical roller mills which are reserved for each other include grinding discs for placing materials; multiple grinding roller groups are arranged above the grinding discs, and the number of grinding rollers of each grinding roller group is two , Symmetrically arranged on both sides of the grinding disc; a plurality of swinging mechanisms, which are respectively connected to the respective grinding rollers, and each swinging mechanism is used to control the corresponding grinding rollers to swing and grind;
  • one of the plurality of grinding roller groups is controlled by a plurality of swinging mechanisms to swing the grinding material, and the other grinding roller groups are not operated.
  • a base frame is further provided, which is arranged around the grinding disc, and the swing mechanism is arranged on the base frame.
  • the swing mechanism further includes a swing arm and a swing oil cylinder.
  • the swing oil cylinder is arranged on the chassis, and the swing oil cylinder is connected to the corresponding grinding roller through the swing arm.
  • the swing mechanism further includes a pin, and the swing arm and the swing oil cylinder are hinged through the pin.
  • the number of the grinding roller groups is two, and one of the grinding roller groups includes a first grinding roller and a third grinding roller, and the other grinding roller group includes a second grinding roller and a fourth grinding roller, The first grinding roller, the second grinding roller, the third grinding roller, and the fourth grinding roller are evenly spaced around the grinding disc.
  • the multi-roller cement vertical roller mills which are reserved for each other further include a middle shell, a plurality of bridge plates, and a bearing seat provided on each bridge plate.
  • the middle shell is disposed above the chassis and The cover is arranged on the grinding disc.
  • One end of each grinding roller passes through the middle casing and is located in the middle casing.
  • the other end of each grinding roller is disposed outside the middle casing and connected to the swing arm, and the swing arm is provided on the bearing seat.
  • the multi-roller cement vertical roller mills which are reserved for each other further include a sealing plate, which is detachably disposed at a position corresponding to each of the rollers passing through the middle casing and connected to each of the rollers, for Seal the middle case.
  • a ring plate protruding outward is also provided at the top of the middle shell, and the ring plate is used for winding and supporting the pipes of the multi-roller cement vertical roller mill which are reserved for each other.
  • the ring plate is also provided with a plurality of clamps for fixing the pipes of the multi-roller cement vertical roller mill which are reserved for each other.
  • the multi-roller cement vertical roller mills that are backed up to each other further include a sealing cover plate, which is arranged on the middle casing and corresponds to the position of each grinding roller.
  • the present invention has the following advantages:
  • the multi-roller cement vertical roller mill of the present invention is arranged with multiple grinding roller groups on a grinding disc. When one of the grinding roller groups is in operation, the remaining grinding roller groups can be directly repaired or disassembled and cleaned and cleaned.
  • the mutually-reserved multi-roller cement vertical roller mill has a long maintenance cycle and a long service life, which improves the overall working efficiency of the cement vertical mill, saves time and costs, and can create more efficiency. .
  • FIG. 1 is a schematic structural diagram of a multi-roller cement vertical roller mill that is reserved for each other according to an embodiment of the present invention.
  • FIG. 2 is a schematic front view of two grinding roller groups according to an embodiment of the present invention.
  • FIG. 3 is a schematic top view of two grinding roller groups according to an embodiment of the present invention.
  • a multi-roller cement vertical roller mill 20 is used for grinding materials.
  • the multi-roller cement vertical roller mill is used for grinding materials.
  • the machine 20 includes a grinding disc 5, a plurality of grinding roller groups 17, a plurality of swinging mechanisms 19, and a hydraulic control device 6, wherein:
  • the grinding disc 5 is used for placing materials, which is mainly used to provide rigid support for the material, and can enable multiple grinding roller groups 17 to grind the material on the grinding disc 5.
  • a plurality of grinding roller groups 17 are arranged above the grinding disc 5.
  • the number of grinding rollers of each grinding roller group 17 is two, which are symmetrically arranged on both sides of the grinding disc 5, and the two symmetrical grinding rollers swing and grind the cement material together, while the remaining grinding The roller does not work.
  • the number of the grinding roller groups 17 of the present invention may be two, three, or three or more.
  • the number of the grinding roller groups 17 is three or more, multiple The spaced-apart grinding roller groups 17 are divided into two groups and controlled at the same time, or two adjacent grinding roller groups 17 can be controlled to work together to ensure that the grinding roller groups 17 are available for backup.
  • the cement material obtained by this control method Uniformity is also good.
  • the number of the grinding roller groups 17 is two, and one of the grinding roller groups 17 includes a first grinding roller 1 and a third grinding roller 3, and the other grinding roller group 17 Including the second grinding roller 2 and the fourth grinding roller 4, the first grinding roller 1, the second grinding roller 2, the third grinding roller 3, and the fourth grinding roller 4 are evenly arranged around the grinding disc 5, and the first grinding roller 1 and the third grinding roller 3 are controlled by the hydraulic control device 6 to swing the grinding cement material together, and the second grinding roller 2 and the fourth grinding roller 4 are also controlled by the hydraulic control device 6 to swing the grinding cement material together.
  • These two control methods Alternately, it can also be controlled individually.
  • the specific implementation method is to connect the first grinding roller 1 and the third grinding roller 3 to the hydraulic control device 6 through a control valve, and to connect the second grinding roller 2 and the fourth grinding roller 4 to the hydraulic control device 6 through another control valve. These two control valves are connected in parallel to the hydraulic control device 6 for control. This control method can better ensure that two sets of symmetrical grinding rollers work well at the same time, with high work efficiency and uniform cement powder.
  • each grinding roller can also be individually connected to the hydraulic control device 6 using a control valve.
  • Using the hydraulic control device 6 can independently control each grinding roller.
  • One of the benefits of this embodiment is that the grinding Each roller can be individually maintained and controlled during maintenance, but the control is relatively simple. However, this method requires relatively many parts and the system is more complicated. There will be a certain asynchronous grinding phenomenon during control. The obtained cement powder particles The uniformity is relatively poor. At the same time, the first grinding roller and the second grinding roller do not work at the same time, which can ensure that the entire vertical grinding works longer, and maintenance and adjustment are more convenient.
  • a plurality of swing mechanisms 19 are correspondingly connected to the respective grinding rollers. Each swing mechanism 19 is used to control the corresponding grinding roller to swing and grind. Please refer to FIG. 2.
  • the swing mechanism 19 disclosed in this embodiment further includes a swing arm 11 and a swing cylinder. 7.
  • the swing oil cylinder 7 is arranged on the chassis, and the swing oil cylinder 7 is connected to the corresponding grinding roller through the swing arm 11.
  • the swing mechanism 19 further disclosed in this embodiment further includes a pin shaft 18, and the swing arm 11 and the swing oil cylinder 7 are hinged through the pin shaft 18, but the swing mechanism 19 disclosed in this embodiment is not limited.
  • the pressing structure of the grinding roller set 17 of the present invention is different from the existing pressing structure. Please refer to FIG. 1.
  • the present invention uses the rodless cavity of the swing cylinder 7 to swing the arm 11 upward, and uses the reaction force of the swing arm 11 to The clinker is further ground on a grinding roller.
  • F (pressure) P (pressure) x S (area)
  • the present invention uses the area of a rodless cavity to be larger than the area of a rod cavity.
  • the swing arm 11 transmits torque to pressurize the grinding roller.
  • FIG. 1 and FIG. 2 further includes a chassis 9.
  • the chassis 9 is disposed around the grinding plate 5, and the swing mechanism 19 is disposed on the chassis 9.
  • the chassis 9 is mainly used for swinging.
  • the mechanism 19 provides rigid support and forms a sealed space with the middle case.
  • the hydraulic control device 6 is connected to a plurality of swing mechanisms 19, please refer to FIG. 1.
  • the hydraulic control device 6 can selectively control one of the plurality of grinding roller groups 17 to swing and grind through the plurality of swing mechanisms 19. Material, and the remaining grinding roller group 17 is not working.
  • the swing cylinder 7 of each grinding roller disclosed in this embodiment is independently connected to the hydraulic control device 6, and the hydraulic control device 6 controls the grinding roller to oscillate and grind the cement material together with its corresponding grinding roller, while the other grinding rollers do not work.
  • the multi-roller cement vertical roller mill 20 which is reserved for each other further includes a middle casing 10, a plurality of bridge plates 12, and bearings provided on each bridge plate 12.
  • the seat 13 and the middle casing 10 are disposed above the chassis 9 and are disposed on the grinding disc 5.
  • One end of each grinding roller passes through the middle casing 10 and is located in the middle casing 10, and the other end of each grinding roller is disposed on the middle casing 10.
  • the outside is connected to the swing arm 11, and the swing arm 11 is disposed on the bearing seat 13.
  • the multi-roller cement vertical roller mill 20 which is reserved for each other further includes a sealing plate 8, which is detachably disposed at a position corresponding to each of the rollers passing through the middle casing 10. It is connected with each grinding roller, and the middle casing 10 is provided with a connection hole corresponding to the sealing plate 8. When the sealing plate 8 is placed in the corresponding connection hole, the middle casing 10 is sealed.
  • the multi-roller cement vertical roller mill 20 which is reserved for each other, further includes a sealing cover plate 14, which is disposed on the middle casing 10 and positions with each of the rollers.
  • a sealing cover plate 14 which is disposed on the middle casing 10 and positions with each of the rollers.
  • the next pair of opposite grinding rollers are disassembled for maintenance, and the removed grinding roller is sealed with a sealing cover plate 14, and the connection of the detachable sealing plate 8 is used directly when blocking.
  • the holes can be used, and the entire implementation process is relatively simple, easy to operate, and does not affect the normal work of the vertical mill.
  • a ring plate 15 protruding outward is also provided at the top of the middle casing 10.
  • the ring plate 15 is used for a multi-roller cement vertical roller mill 20 which is reserved for each other.
  • the winding and support of the pipe can well arrange the grinding roller pipe, so that the design of the entire vertical mill is simple and takes up less space.
  • the ring plate 15 is further provided with a plurality of clamps 16 for fixing the pipes 71 of the multi-roller cement vertical roller mill 20 to each other to prevent the pipes 71 from loosening or slipping.

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

Abstract

L'invention concerne un broyeur de ciment à cylindres (20) vertical, à cylindres multiples, ayant des cylindres de broyage alternativement au repos, étant utilisé pour broyer des matériaux, et comprenant : un disque de broyage (5) pour placer des matériaux; une pluralité de groupes de cylindres de broyage (17) disposés au-dessus du disque de broyage (5), chaque groupe de cylindres de broyage (17) ayant deux cylindres de broyage (1-4) disposés symétriquement sur deux côtés du disque de broyage (5); une pluralité de mécanismes de pivotement (19) reliés respectivement aux cylindres de broyage (1-4), et chaque mécanisme de pivotement (19) étant utilisé pour commander l'orientation de broyage du cylindre de broyage correspondant (1-4); et un dispositif de commande hydraulique (6) relié à la pluralité de mécanismes de pivotement (19), le dispositif de commande hydraulique (6) étant apte à commander sélectivement un groupe de cylindres de broyage (17) parmi la pluralité de groupes de cylindres de broyage (17) pour l'orienter vers les matériaux à broyer au moyen de la pluralité de mécanismes de pivotement (19), tandis que les groupes de cylindres de broyage (17) restants ne fonctionnent pas de manière à être entretenus ou nettoyés.
PCT/CN2019/087902 2018-08-31 2019-05-22 Broyeur de ciment à cylindres vertical, à plusieurs cylindres, ayant des cylindres de broyage alternativement au repos Ceased WO2020042679A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201811010397.7A CN109127005B (zh) 2018-08-31 2018-08-31 互相备用的多辊水泥立式辊磨机
CN201811010397.7 2018-08-31

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Publication Number Publication Date
WO2020042679A1 true WO2020042679A1 (fr) 2020-03-05

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CN (1) CN109127005B (fr)
WO (1) WO2020042679A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102020115873A1 (de) 2020-06-16 2021-12-16 Hans-Jörg Fischer Verfahren und Anlage für Betonaufbereitung

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109127005B (zh) * 2018-08-31 2021-06-29 江苏鹏飞集团股份有限公司 互相备用的多辊水泥立式辊磨机

Citations (7)

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US3822829A (en) * 1971-06-11 1974-07-09 L Werner Roller mill of the edge runner type
CN1119130A (zh) * 1994-07-22 1996-03-27 宇部兴产株式会社 一种立式滚压机
DE19702854A1 (de) * 1997-01-27 1998-07-30 Krupp Polysius Ag Verfahren und Rollenmühle zur Zerkleinerung von Mahlgut
US6021968A (en) * 1996-02-01 2000-02-08 Loesche Gmbh Roller mill
CN1878612A (zh) * 2003-09-12 2006-12-13 勒舍有限公司 用于轧辊研磨磨机的安全系统和用于水泥生产的方法
CN102348509A (zh) * 2009-03-19 2012-02-08 勒舍有限公司 用于辊式碾磨机的液压阵列
CN109127005A (zh) * 2018-08-31 2019-01-04 江苏鹏飞集团股份有限公司 互相备用的多辊水泥立式辊磨机

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GB1123099A (en) * 1966-05-05 1968-08-14 Babcock & Wilcox Ltd Improvement in pulverizing mills
CN101332442A (zh) * 2007-06-28 2008-12-31 中信重工机械股份有限公司 一种立式辊磨机磨辊加压装置
CN201263987Y (zh) * 2008-09-27 2009-07-01 济南重工股份有限公司 立式辊磨机省力装置
CN202143851U (zh) * 2011-06-22 2012-02-15 北京电力设备总厂 一种主辅辊组互为备用的立磨
CN102600934B (zh) * 2012-03-23 2014-04-09 长春发电设备总厂 中速轮式磨煤机磨辊检修翻出装置
CN202933747U (zh) * 2012-08-14 2013-05-15 扬州中材机器制造有限公司 一种立式辊磨机用高效粉磨机构
CN206454730U (zh) * 2016-12-22 2017-09-01 北方重工集团有限公司 一种四辊生料立式磨机

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3822829A (en) * 1971-06-11 1974-07-09 L Werner Roller mill of the edge runner type
CN1119130A (zh) * 1994-07-22 1996-03-27 宇部兴产株式会社 一种立式滚压机
US6021968A (en) * 1996-02-01 2000-02-08 Loesche Gmbh Roller mill
DE19702854A1 (de) * 1997-01-27 1998-07-30 Krupp Polysius Ag Verfahren und Rollenmühle zur Zerkleinerung von Mahlgut
CN1878612A (zh) * 2003-09-12 2006-12-13 勒舍有限公司 用于轧辊研磨磨机的安全系统和用于水泥生产的方法
CN102348509A (zh) * 2009-03-19 2012-02-08 勒舍有限公司 用于辊式碾磨机的液压阵列
CN109127005A (zh) * 2018-08-31 2019-01-04 江苏鹏飞集团股份有限公司 互相备用的多辊水泥立式辊磨机

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102020115873A1 (de) 2020-06-16 2021-12-16 Hans-Jörg Fischer Verfahren und Anlage für Betonaufbereitung
WO2021254902A1 (fr) 2020-06-16 2021-12-23 Fischer Hans Joerg Procédé et installation de préparation de béton

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CN109127005B (zh) 2021-06-29

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