WO2009067936A1 - Dispositif de broyage d'un broyeur vertical - Google Patents

Dispositif de broyage d'un broyeur vertical Download PDF

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Publication number
WO2009067936A1
WO2009067936A1 PCT/CN2008/073076 CN2008073076W WO2009067936A1 WO 2009067936 A1 WO2009067936 A1 WO 2009067936A1 CN 2008073076 W CN2008073076 W CN 2008073076W WO 2009067936 A1 WO2009067936 A1 WO 2009067936A1
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WO
WIPO (PCT)
Prior art keywords
grinding
vertical
cylinder
roller
scraping device
Prior art date
Application number
PCT/CN2008/073076
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English (en)
French (fr)
Inventor
Zhigang Hao
Original Assignee
Zhigang Hao
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 Zhigang Hao filed Critical Zhigang Hao
Priority to CA2719966A priority Critical patent/CA2719966A1/en
Priority to US12/809,543 priority patent/US8157196B2/en
Priority to AU2008329406A priority patent/AU2008329406B2/en
Priority to RU2010125195/13A priority patent/RU2484902C2/ru
Priority to EP08853914A priority patent/EP2228133A1/en
Publication of WO2009067936A1 publication Critical patent/WO2009067936A1/zh

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Classifications

    • 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

Definitions

  • the invention relates to a material pulverizing device, in particular to an improvement of a grinding mechanism of a vertical mill.
  • a vertical mill is described on page 407 of the "China Mineral Processing Equipment Handbook” published by Science Press in 2006.
  • the grinding mechanism of the vertical mill is shown in Figure 1, including the drive unit and the vertical unit driven by the drive unit.
  • Grinding cylinder 2' and grinding roller 3', pressing device 4' acting on grinding roller 3', vertical grinding cylinder 2' is located in the body box 5', the roller surface of the grinding roller and the grinding of the vertical grinding cylinder liner
  • the surface 6' constitutes a running-in surface
  • the material enters the vertical grinding cylinder through the feeding port 7'
  • the driving device drives the vertical grinding cylinder to rotate, the grinding roller rotates, and the material entering the running-in surface is ground, and the ground material is in the vertical state.
  • the vertical grinding cylinder is thrown by the centrifugal force of the rotating cylinder 2', and the finely divided material is discharged through the airflow rising from the lower portion, and the unbreakable material such as iron is discharged from the slag opening 8' of the lower portion of the body box.
  • the disadvantage of the grinding mechanism is that, since the vertical grinding cylinder 2' is a bowl-like structure, the angle between the grinding surface 6' of the grinding cylinder liner and the vertical line is large (i.e., relatively flat), resulting in the material being ground.
  • the centrifugal force is discharged out of the grinding cylinder at a relatively high speed and cannot be controlled, but is freely discharged, especially when the vertical grinding cylinder 2' has a large centrifugal force generated when rotating at a high speed, and the material is located in the grinding and grinding surface for a short time, resulting in materials.
  • the number of times of grinding and grinding is small, therefore, the grinding production efficiency is low, and the energy consumption is high; when the material to be ground is too much water, since there is no scraping device, the material may adhere to the vertical grinding cylinder to form a massive layer. Will further affect production.
  • the present invention provides a grinding mechanism for a vertical mill which increases the chances of material being ground and the number of times of grinding, thereby improving grinding efficiency and reducing energy consumption.
  • the technical solution for achieving the object of the present invention is as shown in Fig. 2.
  • the present invention comprises a driving device 1 and a vertical grinding cylinder 2 and a grinding roller 3 driven by the driving device, and a pressing device 4 acting on the grinding roller 3, the roller surface of the grinding roller and
  • the grinding surface 6 of the vertical grinding cylinder lining constitutes a running-in surface, and the angle of the grinding surface 6 of the vertical grinding cylinder 2 and the vertical line is 40° to -5°, and a scraping device 9 is further provided.
  • the material enters the vertical grinding drum through the feeding port 7, the driving device drives the vertical grinding cylinder to rotate, the grinding roller rotates, and the material entering the grinding surface is ground, and the scraping device 9 performs the material to be ground. Loose, diversion, under the action of the rotating centrifugal force of the grinding cylinder and the guide material, the ground material is discharged from the upper part of the vertical grinding cylinder, and then discharged from the machine outside the discharge port 10.
  • the abrasive material can be prevented from being quickly discharged. Grinding the cylinder to make the material adhere to the inner wall of the grinding cylinder under the action of centrifugal force, prolonging the process of grinding the material and increasing the number of times the material is ground. Therefore, the material has high crushing and grinding efficiency, high output and fineness, and at the same time Reduce power consumption.
  • the vertical grinding cylinder can be operated at a high speed to make the material crushing and grinding efficiency. Higher, finer, more productive, and lower power consumption.
  • the material after grinding can be forcedly loosened and Discharge material, which satisfies the discharge of the material from the upper part of the vertical grinding cylinder, thus expanding the range of vertical grinding and pulverizing grinding materials, and capable of pulverizing and grinding.
  • the background technology cannot or is difficult to pulverize the ground materials, such as materials with viscous materials and large moisture content. Grinding and grinding, as well as wet grinding (such as adding water to the material for grinding).
  • the abrasive material can be prevented from adhering to the vertical grinding cylinder and form a massive layer, and the vibration generated during the operation of the grinding machine can be reduced.
  • Figure 1 is a cross-sectional view showing the structure of a grinding mechanism of the background art
  • FIG. 2 is a cross-sectional view showing a first embodiment of the grinding mechanism of the present invention, and is taken as an abstract drawing;
  • FIG. 3 is a structural view of the vertical grinding cylinder of the present invention.
  • Figure 4 is a second structural view of the vertical grinding cylinder of the present invention.
  • Figure 5 is a third structural view of the vertical grinding cylinder of the present invention.
  • Figure 6 is a structural view of the scraping device of the present invention.
  • Figure 7 is a second structural view of the scraping device of the present invention.
  • Figure 8 is a cross-sectional view showing a second embodiment of the grinding mechanism of the present invention.
  • Figure 9 is a schematic view showing the structure of the grinding mechanism of the present invention applied to a vertical grinder.
  • FIG. 1 A first embodiment of the grinding mechanism of the present invention is shown in FIG.
  • the invention comprises a driving device 1 and a vertical grinding cylinder 2 driven by the driving device, and a grinding roller 3 and a pressing device 4 acting on the grinding roller 3, the roller surface of the grinding roller and the grinding surface of the vertical grinding cylinder liner 6 constituting a running-in surface, the vertical grinding cylinder is closed at the bottom and the opening is upward, and the angle between the grinding surface 6 of the vertical grinding cylinder and the vertical line is 40° ⁇ -5°, and the scraping material is also provided.
  • Device 9 A first embodiment of the grinding mechanism of the present invention is shown in FIG.
  • the invention comprises a driving device 1 and a vertical grinding cylinder 2 driven by the driving device, and a grinding roller 3 and a pressing device 4 acting on the grinding roller 3, the roller surface of the grinding roller and the grinding surface of the vertical grinding cylinder liner 6 constituting a running-in surface, the vertical grinding cylinder is closed at the bottom and the opening is upward, and the angle between the grinding surface
  • the angle between 40 ° and -5 ° can control the material to be discharged from the vertical grinding cylinder, so that the material is tightly attached to the inner wall of the vertical grinding cylinder under the centrifugal force of the vertical grinding cylinder, prolonging the process of grinding the material.
  • one end of the scraping device 9 is mounted on the side of the body box 5, or is mounted on the top surface of the body box 5, and can also be mounted on other racks outside the body box 5, scraping
  • the other end of the device 9, that is, the scraping end projects into the vertical grinding cylinder 2; the scraping device 9 can loosen and guide the material adhering to the inner wall of the vertical grinding cylinder, and drive the ground material toward the vertical grinding machine.
  • the open upper portion of the cylinder flows until the vertical mill is discharged.
  • a retaining ring 11 is arranged along the open edge of the vertical grinding cylinder 2, and the retaining ring 11 shown in FIG.
  • the high-speed operation makes the material crushing and grinding more efficient, finer in fineness, larger in output and lower in power consumption.
  • Figure 3, Figure 4, and Figure 5 show three cases of the angle between the grinding surface 6 and the vertical line of the vertical grinding cylinder liner.
  • the angle of the grinding surface 6 of the vertical mill liner shown in Figure 3 is 40° from the vertical line.
  • the angle of the grinding surface 6 of the vertical mill liner shown in Figure 4 is -5° from the vertical line.
  • the angle of the grinding surface 6 of the vertical drum liner shown in Fig. 5 is 5° from the vertical line.
  • Figures 6 and 7 show two configurations of the scraping device 9.
  • Fig. 6 shows a scraping device with a serrated shape 12
  • Fig. 7 shows a scraping device with a baffle 13
  • a scraping device with a serrated 12 is suitable for 5.
  • Figure 8 is a cross-sectional view showing a second embodiment of the grinding mechanism of the present invention, wherein the vertical grinding cylinder is cylindrical, and the grinding surface 6 of the vertical grinding cylinder liner is vertically 90°, and the scraping material with the deflector 13 is used.
  • the device, the ground material is discharged from the vertical grinding cylinder and then discharged through the discharge port 10.
  • FIG 9 is a schematic view showing the structure of the grinding mechanism of the present invention applied to a vertical grinding machine.
  • the scraping device 9 can be a scraping device with a serrated shape 12 or a scraping device with a baffle 13, as shown in Figure 9.
  • the retaining ring 11 is a ring-shaped retaining ring.
  • the material enters the vertical grinding cylinder through the feeding port 7, and is discharged to the vertical grinding cylinder after being ground.
  • the pressurized air enters through the air inlet 14, and the fine powder is discharged from the outlet 16 through the cyclone separator 15, which is thick.
  • the granules and impurities are discharged from the slag outlet 17.
  • the grinding mechanism of the present invention has other modified structures in addition to the above, and any deformed structure based on the technical solution of the present invention belongs to the protection scope of the present invention.

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Crushing And Grinding (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)

Description

立式磨机的研磨机构
技术领域
本发明涉及物料粉碎设备， 具体涉及一种立式磨机的研磨机构改进。
背景技术
2006年科学出版社出版的《中国选矿设备手册》第 407页记载了一种立式磨机， 该 立式磨机的研磨机构参见图 1， 包括驱动装置 Γ和由该驱动装置驱动的立式磨筒 2'及磨 辊 3'、 作用于磨辊 3'的加压装置 4'， 立式磨筒 2'位于机体箱 5'内， 磨辊的辊面与立式磨 筒内衬的磨面 6'构成磨合面， 物料经进料口 7'进入立式磨筒， 驱动装置驱动立式磨筒转 动， 磨辊自转， 对进入磨合面的物料进行研磨， 经研磨后的物料在立式磨筒 2'转动的离 心力作用下抛出立式磨筒， 经研磨后的细粒物料通过从下部上升的气流排出， 杂铁等不 可破碎物从机体箱下部的出渣口 8'排出。 该研磨机构存在的不足是， 由于其立式磨筒 2' 为碗状结构， 磨筒内衬的磨面 6'与垂直线的夹角较大 （即较平坦）， 致使经研磨的物料 因离心力作用被排出磨筒的速度较快而不能被控制， 而处自由排出状态， 尤其是立式磨 筒 2'较高速转动时所产生的离心力大， 物料位于磨磨合面的时间短， 造成物料被粉碎研 磨的次数少， 因此， 研磨生产效率低， 同时能耗高； 当被研磨物料水分太多时， 由于没 有刮料装置， 物料有可能粘附在立式磨筒上结成块状层， 会进一步影响产量。
发明内容
为克服现有研磨机构所存在的不足， 本发明提供一种立式磨机的研磨机构， 本研磨 机构可增加物料被研磨的机会和被研磨的次数， 从而提高研磨效率低和降低能耗。
实现本发明目的技术方案参见图 2， 本发明包括驱动装置 1和由该驱动装置驱动的 立式磨筒 2及磨辊 3、作用于磨辊 3的加压装置 4，磨辊的辊面与立式磨筒内衬的磨面 6 构成磨合面， 立式磨筒 2内衬的磨面 6与垂直线的夹角为 40°~-5°， 还设有刮料装置 9。 如图 2所示， 物料经进料口 7进入立式磨筒， 驱动装置驱动立式磨筒转动， 磨辊自转， 对进入磨合面的物料进行研磨， 刮料装置 9对被研磨的物料进行疏松、 导流， 在磨筒旋 转离心力和导料的作用下， 经研磨的物料由立式磨筒的上部敞口排出， 再由出料口 10 排出机外。
与背景技术比， 本发明的技术效果是：
1、 由于磨筒内衬的磨面 6与垂直线的夹角为 40° 5°， 可阻止研磨的物料快速排出 磨筒， 使物料在离心力的作用下紧贴在磨筒的内壁上， 延长物料被研磨的过程， 增加物 料被研磨的次数， 因此， 物料的粉碎研磨效率高， 产量高， 细度好， 同时降低功耗。
2、 由于磨筒内衬的磨面 6与垂直线的夹角为 40° 5°， 可阻止研磨的物料快速排出 磨筒， 因此立式磨筒可采用高速运转， 使物料的粉碎、 研磨效率更高， 细度更细， 产量 更大， 功耗更低。
3、 由于设置了对研磨物料进行疏松、 导流的刮料装置， 在立式磨筒磨面与垂直线 的夹角为 40° 5°的情况下， 对研磨后的物料可进行强制疏松和排料， 满足物料由立式 磨筒上部的敞口排出， 因此可扩大立式磨粉碎研磨物料的范围， 能够粉碎研磨背景技术 不能或难以粉碎研磨的物料， 比如对粘性物料、 水分大的物料的粉碎研磨， 以及进行湿 磨 （如物料中加水进行磨碎） 等。
4、 由于设置了对研磨物料进行疏松、 导流的刮料装置， 可防止研磨物料粘附在立 式磨筒上结成块状层， 并减少磨机运转时产生振动。
下面结合附图和具体实施方式对本发明进一步说明。
附图说明
图 1为展示背景技术研磨机构的结构剖视图；
图 2为本发明研磨机构的第一种实施结构的剖视图， 并确定为摘要附图； 图 3为本发明的立式磨筒的一种结构图；
图 4为本发明的立式磨筒的第二种结构图；
图 5为本发明的立式磨筒的第三种结构图；
图 6为本发明的刮料装置的一种结构图；
图 7为本发明的刮料装置的第二种结构图；
图 8为本发明研磨机构的第二种实施结构的剖视图；
图 9为本发明研磨机构应用于立式研磨机中的一种结构示意图。
具体实施方式
本发明研磨机构的第一种实施结构参见图 2。 本发明包括驱动装置 1和由该驱动装 置驱动的立式磨筒 2， 以及磨辊 3和作用于磨辊 3的加压装置 4， 磨辊的辊面与立式磨 筒内衬的磨面 6构成磨合面， 所述的立式磨筒为底部封闭、 敞口朝上， 立式磨筒内衬的 磨面 6与垂直线的夹角为 40°~-5°， 还设有刮料装置 9。立式磨筒内衬的磨面 6与垂直线 的夹角为 40°~-5°可控制被研磨物料排出立式磨筒， 使物料在立式磨筒旋转离心力的作 用下紧贴在立式磨筒的内壁上， 延长物料被研磨的过程， 增加物料被研磨的次数； 刮料 装置 9的一端装在机体箱 5上的侧面， 或装在机体箱 5上的顶面， 也可装在机体箱 5外 部的其它机架上， 刮料装置 9的另一端即刮料端伸入到立式磨筒 2内； 刮料装置 9可对 紧贴在立式磨筒内壁上的物料进行疏松、 导流， 驱使研磨的物料朝向立式磨筒上部的敞 口流动， 直至排出立式磨筒。 此外， 在立式磨筒 2的敞口沿设有挡圈 11， 图 2所示的挡 圈 11为盘状式的挡圈 11， 以进一步阻止被研磨物料自由排出， 满足立式磨筒可采用高 速运转， 使物料的粉碎、 研磨效率更高， 细度更细， 产量更大， 功耗更低。
图 3、 图 4、 图 5分别展示了立式磨筒内衬的磨面 6与垂直线夹角的三种情形。 图 3 所示的立式磨筒内衬的磨面 6与垂直线夹角为 40°， 图 4所示的立式磨筒内衬的磨面 6 与垂直线夹角为 -5°， 图 5所示的立式磨筒内衬的磨面 6与垂直线夹角为 5°。
图 6、 图 7展示了刮料装置 9的两种结构。 图 6所示的为带疏齿形 12的刮料装置， 图 7所示的为带导流板 13的刮料装置， 带疏齿形 12的刮料装置宜用于 5。 (不含 5。) 至 40°的立式磨筒 2， 带疏齿形 12的刮料装置对被研磨物料进行疏松， 物料由旋转的立 式磨筒上部敞口排出； 带导流板 13的刮料装置可用于 -5°至 5°的立式磨筒， 即对被研磨 物料进行疏松和强制排料， 驱动被研磨物料流向立式磨筒的敞口； 立式磨筒内衬的磨面 6与垂直线的夹角为大于 5°~40°的刮料装置 9同样可为带导料板 13的刮料装置。
图 8为本发明研磨机构的第二种实施结构的剖视图， 立式磨筒为圆筒形， 立式磨筒 内衬的磨面 6为垂直的 90°， 采用带导流板 13的刮料装置， 经研磨后的物料由立式磨筒 排出后再经出料口 10排出。
图 9为本发明研磨机构应用于立式研磨机中的一种结构示意图，刮料装置 9可为带 疏齿形 12的刮料装置或带导流板 13的刮料装置， 图 9所示的挡圈 11为圆环式的挡圈。 如图 9所示， 物料经进料口 7进入立式磨筒研磨， 经研磨后排出立式磨筒， 压力空气由 进风口 14进入， 细粉经旋风式分离器 15由出口 16排出， 粗粒、 杂物则由出渣口 17排 出。
本发明研磨机构除上述外， 还有其他变形结构， 凡在本发明技术方案基础上的任何 变形结构， 均属于本发明的保护范围。

Claims

权 利 要 求
1、 立式磨机的研磨机构， 有驱动装置 （1 ) 和由该驱动装置驱动的立式磨筒 （2) 及磨辊（3 )、 作用于磨辊（3 ) 的加压装置（4)， 磨辊的辊面与立式磨筒内衬的磨面（6) 构成磨合面， 其特征是立式磨筒内衬的磨面 （6) 与垂直线的夹角为 40°~-5°， 设有刮料 装置 （9)。
2、 根据权利要求 1的立式磨机的研磨机构， 其特征是立式磨筒内衬的磨面 （6) 与 垂直线的夹角为 -5°~5°的刮料装置 （9) 为带导流板 （13 ) 的刮料装置。
3、 根据权利要求 1的立式磨机的研磨机构， 其特征是立式磨筒内衬的磨面 （6) 与 垂直线的夹角为 5°~40°的刮料装置（9)为带带疏齿形（12)的刮料装置或带导流板（13 ) 的刮料装置。
4、 根据权利要求 1~3的任一种立式磨机的研磨机构， 其特征是立式磨筒（2) 的敞 口沿设有挡圈 （11 )。
PCT/CN2008/073076 2007-11-20 2008-11-14 Dispositif de broyage d'un broyeur vertical WO2009067936A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CA2719966A CA2719966A1 (en) 2007-11-20 2008-11-14 Grinding device of vertical grinder
US12/809,543 US8157196B2 (en) 2007-11-20 2008-11-14 Grinding device of vertical grinder
AU2008329406A AU2008329406B2 (en) 2007-11-20 2008-11-14 Grinding device of vertical grinder
RU2010125195/13A RU2484902C2 (ru) 2007-11-20 2008-11-14 Измельчающее устройство вертикальной дробилки
EP08853914A EP2228133A1 (en) 2007-11-20 2008-11-14 Grinding device of vertical grinder

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200710036167.3 2007-11-20
CN2007100361673A CN101161346B (zh) 2007-11-20 2007-11-20 立式磨机的研磨机构

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US (1) US8157196B2 (zh)
EP (1) EP2228133A1 (zh)
KR (1) KR20100112557A (zh)
CN (1) CN101161346B (zh)
AU (1) AU2008329406B2 (zh)
CA (1) CA2719966A1 (zh)
RU (1) RU2484902C2 (zh)
WO (1) WO2009067936A1 (zh)
ZA (1) ZA201004341B (zh)

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Publication number Priority date Publication date Assignee Title
CN101161346B (zh) * 2007-11-20 2011-04-20 郝志刚 立式磨机的研磨机构
CN102302968B (zh) * 2011-07-06 2013-04-24 郝志刚 立式磨机及其刮板装置的安装机构
CN102259044B (zh) * 2011-07-06 2013-04-24 郝志刚 立式磨机的刮板保护机构
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CN102784694B (zh) * 2012-08-16 2015-05-20 郝志刚 立式磨机
CN104998725A (zh) * 2015-08-04 2015-10-28 中材（天津）粉体技术装备有限公司 立式辊磨磨盘料层稳定装置和立式辊磨
RU2641012C1 (ru) * 2017-02-06 2018-01-15 Федеральное государственное бюджетное образовательное учреждение высшего образования "Тамбовский государственный технический университет" (ФГБОУ ВО "ТГТУ") Меланжер для тонкого измельчения и перемешивания кондитерских масс
CN108067329A (zh) * 2017-12-14 2018-05-25 成都建筑材料工业设计研究院有限公司 磨盘料床集料消除装置
CN108284066B (zh) * 2018-01-24 2021-03-23 张翔宇 一种土木工程用分类碎沙筛沙机
CN108325686B (zh) * 2018-05-03 2019-09-10 中山市天天动物保健科技有限公司 一种中药研磨装置
CN111437932A (zh) * 2020-03-24 2020-07-24 福建工程学院 一种干式低速药粉研磨装置
CN112337578A (zh) * 2020-10-21 2021-02-09 天津水泥工业设计研究院有限公司 一种盆式高压辊磨及基于盆式高压辊磨的粉状物料研磨方法
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