CN109127005B - Mutual standby multi-roll cement vertical roller mill - Google Patents

Mutual standby multi-roll cement vertical roller mill Download PDF

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Publication number
CN109127005B
CN109127005B CN201811010397.7A CN201811010397A CN109127005B CN 109127005 B CN109127005 B CN 109127005B CN 201811010397 A CN201811010397 A CN 201811010397A CN 109127005 B CN109127005 B CN 109127005B
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China
Prior art keywords
grinding
roller
roll
swing
grinding roller
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CN201811010397.7A
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CN109127005A (en
Inventor
王泽�
丁同华
李刚
王荣
丁浩
储生
丁业
陈俊
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Jiangsu Pengfei Group Co Ltd
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Jiangsu Pengfei Group Co Ltd
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Priority to CN201811010397.7A priority Critical patent/CN109127005B/en
Publication of CN109127005A publication Critical patent/CN109127005A/en
Priority to PCT/CN2019/087902 priority patent/WO2020042679A1/en
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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

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

Abstract

The invention relates to a mutually spare multi-roll cement vertical roller mill which is used for grinding materials, wherein the mutually spare multi-roll cement vertical roller mill comprises a grinding disc for placing the materials; the grinding roll sets are arranged above the grinding disc, and the number of the grinding rolls of each grinding roll set is two, and the grinding rolls are symmetrically arranged on two sides of the grinding disc; the plurality of swing mechanisms are respectively and correspondingly connected with the grinding rollers, and each swing mechanism is used for controlling the corresponding grinding roller to swing and grind; and the hydraulic control device is connected with the plurality of swing mechanisms, selectively controls one grinding roller set in the plurality of grinding roller sets to swing and grind the material through the plurality of swing mechanisms, and the rest grinding roller sets do not work. According to the mutually spare multi-roller cement vertical roller mill, the grinding disc is provided with the plurality of grinding roller sets, and when one grinding roller set works, the other grinding roller sets can be directly maintained or disassembled for cleaning and cleaning.

Description

Mutual standby multi-roll cement vertical roller mill
Technical Field
The invention relates to a vertical roller mill, in particular to a multi-roller cement vertical roller mill which is mutually standby.
Background
With the continuous development of cement production technology and the increasing size of cement industry, the roller type vertical mill is widely applied to the cement industry and becomes a trend, and the roller type vertical mill is generally accepted by people mainly because the roller type vertical mill has unique advantages in the aspects of working principle, grinding mechanism, equipment structure, system manufacturability and the like; such as: the process system is simple and convenient to control, can greatly utilize the kiln tail waste gas of the preheater kiln, saves energy consumption, has high grinding efficiency, has small floor area, simple process system, low capital investment, low energy consumption, low metal consumption and low noise compared with a ball milling system, has small weight compared with a ball mill in both a system and a single machine, and can save a large amount of metal materials. In recent years, roller mills have been widely used in domestic and foreign cement production.
However, most of the vertical roller mills in the prior art are leishmanization mill pressurizing type vertical mills, namely, the grinding rollers are pressurized by a hydraulic cylinder tensioning device arranged in the upright posts, and the structure not only occupies large area and has heavy weight, but also is inconvenient for installation and maintenance of the hydraulic cylinders.
Disclosure of Invention
The invention aims to solve the technical problem of providing a multi-roll cement vertical roller mill which is mutually standby so as to solve the technical problem, and the specific technical scheme is as follows: providing a mutually spare multi-roll cement vertical roller mill for grinding materials, wherein the mutually spare multi-roll cement vertical roller mill comprises a grinding disc for placing the materials; the grinding roll sets are arranged above the grinding disc, and the number of the grinding rolls of each grinding roll set is two, and the grinding rolls are symmetrically arranged on two sides of the grinding disc; the plurality of swing mechanisms are respectively and correspondingly connected with the grinding rollers, and each swing mechanism is used for controlling the corresponding grinding roller to swing and grind; and the hydraulic control device is connected with the plurality of swing mechanisms, selectively controls one grinding roller set in the plurality of grinding roller sets to swing and grind the material through the plurality of swing mechanisms, and the rest grinding roller sets do not work.
In a possible design, the grinding disc grinding machine further comprises a bottom frame arranged around the grinding disc, and the swinging mechanism is arranged on the bottom frame.
In one possible design, the swing mechanism further comprises a swing arm and a swing oil cylinder, the swing oil cylinder is arranged on the bottom frame, and the swing oil cylinder is connected with the corresponding grinding roller through the swing arm.
In a possible design, the swing mechanism further comprises a pin shaft, and the swing arm is hinged with the swing oil cylinder through the pin shaft.
In a possible design, the number of grinding roller group is two, and one of them grinding roller group includes first grinding roller and third grinding roller, and another grinding roller group includes second grinding roller and fourth grinding roller, and first grinding roller, second grinding roller, third grinding roller and fourth grinding roller are that the interval evenly sets up around the mill.
In a possible design, the mutually standby multi-roller cement vertical roller mill further comprises a middle shell, a plurality of bridge plates and a bearing seat arranged on each bridge plate, wherein the middle shell is arranged above the underframe and covers the grinding disc, one end of each grinding roller penetrates through the middle shell and is positioned in the middle shell, the other end of each grinding roller is arranged outside the middle shell and is connected with a swing arm, and the swing arm is arranged on the bearing seat.
In one possible embodiment, the multiple-roll cement vertical roller mill, which is in stand-by with each other, further comprises a sealing plate, which is detachably arranged at a position corresponding to the respective grinding roller penetrating through the middle housing and is connected to the respective grinding roller, for sealing the middle housing.
In one possible design, the top position of the middle shell is also provided with an outwardly protruding ring plate for the winding and support of the pipes of the multi-roll cement vertical roller mill standing on top of each other.
In one possible design, the ring plate is also provided with a plurality of clamps for fixing the tubes of the multiple-roll cement vertical roller mill standing by each other.
In one possible embodiment, the multiple-roller cement vertical roller mill, which is arranged on a stand-by basis, further comprises a sealing cover plate, which is arranged on the middle housing and corresponds to the position of the respective grinding roller.
Compared with the prior art, the invention has the advantages that:
1. according to the mutually spare multi-roller cement vertical roller mill, the grinding disc is provided with the plurality of grinding roller sets, and when one grinding roller set works, the rest grinding roller sets can be directly maintained or disassembled for cleaning and cleaning;
2. the mutual standby multi-roller cement vertical roller mill has the advantages that the interval work control mode of the plurality of roller sets is matched with the plurality of roller sets, particularly the two roller sets are mutually switched and standby, and the whole service life of the grinding rollers is long;
3. the mutually spare multi-roll cement vertical roller mill has long maintenance period and long service life, improves the overall working efficiency of the cement vertical mill, saves time cost and can create more efficiency.
Drawings
The invention is further illustrated by means of the attached drawings, the content of which is not in any way limitative of the invention.
Fig. 1 is a schematic view of the structure of a multi-roll cement vertical roller mill which is prepared for each other according to an embodiment of the present invention.
Fig. 2 is a schematic front view of two roll sets according to an embodiment of the present invention.
Figure 3 is a schematic top view of two roll sets according to one embodiment of the invention.
Detailed Description
As shown in fig. 1, in an embodiment of the present invention, a mutually spare multiple roll cement vertical roller mill 20 for grinding a material is disclosed, wherein the mutually spare multiple roll cement vertical roller mill 20 includes a grinding disc 5, a plurality of grinding roll groups 17, a plurality of swing mechanisms 19, and a hydraulic control device 6, wherein:
the grinding disc 5 is used for placing materials, is mainly used for providing rigid support for the materials, and enables a plurality of grinding roller groups 17 to grind the materials on the grinding disc 5; there may be no particular requirement for the choice of the grating disc 5 in the present invention, as is conventional in the art.
A plurality of grinding roller sets 17 set up in mill 5 top, and the grinding roller quantity of every grinding roller set 17 is two, and the symmetry sets up in mill 5 both sides, and the grinding roller of two symmetries together swings the grinding cement material, and other grinding rollers are out of work simultaneously.
In a preferred embodiment, the number of the grinding roller sets 17 can be two, three or more than three, when the number of the grinding roller sets 17 is three or more than three, a plurality of grinding roller sets 17 arranged at intervals can be divided into two groups to work and simultaneously controlled, two adjacent grinding roller sets 17 can also be controlled to work together, the grinding roller sets 17 are ensured to be reserved, and the cement material obtained by the control mode is uniform and good.
In a preferred embodiment, please refer to fig. 3, the number of the grinding roller sets 17 is two, and one grinding roller set 17 comprises a first grinding roller 1 and a third grinding roller 3, and the other grinding roller set 17 comprises a second grinding roller 2 and a fourth grinding roller 4, wherein the first grinding roller 1, the second grinding roller 2, the third grinding roller 3 and the fourth grinding roller 4 are uniformly arranged around the grinding disc 5 at intervals, and the first grinding roller 1 and the third grinding roller 3 are controlled by a hydraulic control device 6 to swing together to grind the cement material, and the second grinding roller 2 and the fourth grinding roller 4 are also controlled by the hydraulic control device 6 to swing together to grind the cement material, and the two control modes are alternatively performed or can be performed independently.
The specific realization method is that the first grinding roller 1 and the third grinding roller 3 are connected with the hydraulic control device 6 through one control valve, the second grinding roller 2 and the fourth grinding roller 4 are connected with the hydraulic control device 6 through another control valve, and the two control valves are connected in parallel with the hydraulic control device 6 to realize control.
When the control mode is implemented, each grinding roller can be connected to the hydraulic control device 6 through one control valve independently, and each grinding roller can be controlled independently through the hydraulic control device 6. Meanwhile, the first grinding roller and the second grinding roller do not work simultaneously, so that the working time of the whole vertical mill is longer, and the maintenance and the adjustment are more convenient.
Referring to fig. 2, the swing mechanism 19 disclosed in this embodiment further includes a swing arm 11 and a swing cylinder 7, the swing cylinder 7 is disposed on the base frame, and the swing 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 18, and the swing arm 11 is hinged to the swing cylinder 7 through the pin 18, but the swing mechanism 19 disclosed in this embodiment is not limited.
The pressurizing structure of the grinding roller set 17 of the invention is different from the prior pressurizing structure, and as shown in figure 1, the invention utilizes the rodless cavity of the swing oil cylinder 7 to push the swing arm 11 upwards, and utilizes the reaction force of the swing arm 11 to grind cement clinker on the grinding roller. According to the principle that the pressure is larger when the pressure intensity is larger than the area of the rodless cavity, the lever principle is reasonably utilized, and the swing arm 11 transmits torque to pressurize the grinding roller.
In a preferred embodiment, please refer to fig. 1 and 2, further comprising a bottom frame 9, wherein the bottom frame 9 is disposed around the grinding disc 5, the swing mechanism 19 is disposed on the bottom frame 9, and the bottom frame 9 is mainly used for providing a rigid support for the swing mechanism 19 and forming a sealed space with the middle housing.
The hydraulic control device 6 is connected to the plurality of swing mechanisms 19, as shown in fig. 1, the hydraulic control device 6 can selectively control one of the grinding roller sets 17 of the plurality of grinding roller sets 17 to swing for grinding the material through the plurality of swing mechanisms 19, and the rest of the grinding roller sets 17 do not work. The swing oil cylinder 7 of each grinding roller disclosed in the embodiment is independently connected to the hydraulic control device 6, the hydraulic control device 6 controls the grinding rollers to swing together with the symmetrical grinding rollers to grind cement materials, and meanwhile, the rest grinding rollers do not work.
In a preferred embodiment, referring again to fig. 1, the multiple roll cement vertical roller mill 20, which is ready for use, further comprises a middle housing 10, a plurality of bridge plates 12 and a bearing seat 13 arranged on each bridge plate 12, wherein the middle housing 10 is arranged above the underframe 9 and covers the grinding disc 5, one end of each grinding roll passes through the middle housing 10 and is positioned in the middle housing 10, the other end of each grinding roll is arranged outside the middle housing 10 and is connected with a swing arm 11, and the swing arm 11 is arranged on the bearing seat 13.
In a preferred embodiment, referring to fig. 1, the multi-roll cement vertical roller mill 20, which is prepared for each other, further comprises a sealing plate 8 detachably disposed at a position corresponding to each grinding roller passing through the middle housing 10 and connected to each grinding roller, and the middle housing 10 is provided with a connecting hole corresponding to the sealing plate 8, and the middle housing 10 is sealed when the sealing plate 8 is placed in the corresponding connecting hole.
In another preferred embodiment, referring to fig. 1 again, the multi-roll cement vertical roller mill 20 for mutual standby further comprises a sealing cover plate 14, which is arranged on the middle shell 10 and corresponds to the position of each grinding roll, when the grinding roll needs to be maintained, a pair of opposite grinding rolls are disassembled for maintenance, the disassembled grinding roll is plugged by using the sealing cover plate 14, and the connecting hole of the detachable sealing plate 8 is directly used for plugging.
In a preferred embodiment, as shown in fig. 1, the top of the middle housing 10 is further provided with an outwardly protruding ring plate 15, and the ring plate 15 is used for winding and supporting the pipes of the multi-roll cement vertical roller mill 20 which are spare to each other, so that the grinding roller pipes can be well arranged, and the design of the whole vertical mill is simple and the occupied space is small. In another preferred embodiment, a plurality of clips 16 are further provided on the ring plate 15 for fixing the pipes 71 of the multi-roll cement vertical roller mill 20 in standby with each other to prevent the pipes 71 from loosening or slipping off.
The foregoing description shows and describes several preferred embodiments of the invention, but as aforementioned, it is to be understood that the invention is not limited to the forms disclosed herein, but is not to be construed as excluding other embodiments and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (4)

1. A multi-roll cement vertical roller mill standing by each other for grinding a material, characterized in that the multi-roll cement vertical roller mill standing by each other comprises:
the grinding disc is used for placing the materials;
the grinding roll groups are arranged above the grinding disc, and the number of the grinding rolls of each grinding roll group is two, and the grinding rolls are symmetrically arranged on two sides of the grinding disc;
the plurality of swing mechanisms are respectively and correspondingly connected with the grinding rollers, and each swing mechanism is used for controlling the corresponding grinding roller to swing and grind; and
the hydraulic control device is connected with the plurality of swinging mechanisms, the hydraulic control device can selectively control one of the grinding roller sets in the plurality of grinding roller sets to swing and grind the material through the plurality of swinging mechanisms, and the rest of the grinding roller sets do not work;
the grinding disc comprises a grinding disc, a swinging mechanism, a swinging oil cylinder, a grinding roller, a grinding disc and a grinding disc, wherein the grinding disc is arranged on the grinding disc;
the grinding device is characterized by further comprising a middle shell, a plurality of bridge plates and bearing seats arranged on each bridge plate, wherein the middle shell is arranged above the underframe and covers the grinding disc, one end of each grinding roller penetrates through the middle shell and is positioned in the middle shell, the other end of each grinding roller is arranged on the outer side of the middle shell and is connected with the swing arm, and the swing arm is arranged on the bearing seats;
the sealing plates are detachably arranged at positions corresponding to the grinding rollers penetrating through the middle shell, are connected with the grinding rollers and are used for sealing the middle shell;
the top of the middle shell is also provided with an outward-protruding ring plate, and the ring plate is used for winding and supporting the pipelines of the mutually standby multi-roll cement vertical roller mill;
the grinding roll sealing device further comprises a sealing cover plate which is arranged on the middle shell and corresponds to the position of each grinding roll.
2. The vertical multi-roll cement roller mill ready for use according to claim 1, wherein the swing mechanism further comprises a pin, and the swing arm and the swing cylinder are hinged by the pin.
3. The multiple roll cement vertical roller mill of claim 1, characterized in that the number of the roller sets is two, and one of the roller sets comprises a first grinding roller and a third grinding roller, and the other roller set comprises a second grinding roller and a fourth grinding roller, and the first grinding roller, the second grinding roller, the third grinding roller and the fourth grinding roller are arranged around the grinding disc at equal intervals.
4. The vertical roller cement mill stand-by for each other according to claim 1, characterized in that a plurality of clips for fixing the pipes of the vertical roller cement mill stand-by for each other are further provided on the ring plate.
CN201811010397.7A 2018-08-31 2018-08-31 Mutual standby multi-roll cement vertical roller mill Active CN109127005B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201811010397.7A CN109127005B (en) 2018-08-31 2018-08-31 Mutual standby multi-roll cement vertical roller mill
PCT/CN2019/087902 WO2020042679A1 (en) 2018-08-31 2019-05-22 Multi-roller vertical cement roller mill having alternately standby grinding rollers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811010397.7A CN109127005B (en) 2018-08-31 2018-08-31 Mutual standby multi-roll cement vertical roller mill

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CN109127005A CN109127005A (en) 2019-01-04
CN109127005B true CN109127005B (en) 2021-06-29

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109127005B (en) * 2018-08-31 2021-06-29 江苏鹏飞集团股份有限公司 Mutual standby multi-roll cement vertical roller mill
DE102020115873A1 (en) 2020-06-16 2021-12-16 Hans-Jörg Fischer Process and plant for concrete preparation

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1607447A1 (en) * 1966-05-05 1969-08-07 Babcok & Wilcox Ltd Ball or roller mill
CN101332442A (en) * 2007-06-28 2008-12-31 中信重工机械股份有限公司 Vertical roll grinder grinding roll voltage-applying mechanism
CN201263987Y (en) * 2008-09-27 2009-07-01 济南重工股份有限公司 Labor saving device of vertical roll grinder
CN202143851U (en) * 2011-06-22 2012-02-15 北京电力设备总厂 Vertical mill with mutually standby main and auxiliary roller sets
CN102600934A (en) * 2012-03-23 2012-07-25 长春发电设备总厂 Turning-out device for maintenance of milling roller of medium-speed wheeled coal mill
CN202933747U (en) * 2012-08-14 2013-05-15 扬州中材机器制造有限公司 Efficient grinding mechanism for vertical roller mill
CN206454730U (en) * 2016-12-22 2017-09-01 北方重工集团有限公司 A kind of four-roller raw material vertical grinding machine

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2128929C3 (en) * 1971-06-11 1974-06-27 Loesche Hartzerkleinerungs- Und Zementmaschinen Kg, 4000 Duesseldorf Roller mill
CN1034914C (en) * 1994-07-22 1997-05-21 宇部兴产株式会社 A vertical type roller mill
DE19603655A1 (en) * 1996-02-01 1997-08-07 Loesche Gmbh Roller mill
DE19702854A1 (en) * 1997-01-27 1998-07-30 Krupp Polysius Ag Vertical axis mill for grinding mineral materials
DE10343218B4 (en) * 2003-09-12 2006-05-04 Loesche Gmbh Safety system for a roller grinding mill guarantees the constant availability of four grinding rollers by an arrangement of more than four grinding rollers
DE202009004025U1 (en) * 2009-03-19 2010-08-12 Loesche Gmbh Hydraulic arrangement for roller mill
CN109127005B (en) * 2018-08-31 2021-06-29 江苏鹏飞集团股份有限公司 Mutual standby multi-roll cement vertical roller mill

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1607447A1 (en) * 1966-05-05 1969-08-07 Babcok & Wilcox Ltd Ball or roller mill
CN101332442A (en) * 2007-06-28 2008-12-31 中信重工机械股份有限公司 Vertical roll grinder grinding roll voltage-applying mechanism
CN201263987Y (en) * 2008-09-27 2009-07-01 济南重工股份有限公司 Labor saving device of vertical roll grinder
CN202143851U (en) * 2011-06-22 2012-02-15 北京电力设备总厂 Vertical mill with mutually standby main and auxiliary roller sets
CN102600934A (en) * 2012-03-23 2012-07-25 长春发电设备总厂 Turning-out device for maintenance of milling roller of medium-speed wheeled coal mill
CN202933747U (en) * 2012-08-14 2013-05-15 扬州中材机器制造有限公司 Efficient grinding mechanism for vertical roller mill
CN206454730U (en) * 2016-12-22 2017-09-01 北方重工集团有限公司 A kind of four-roller raw material vertical grinding machine

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CN109127005A (en) 2019-01-04

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