WO2006026895A1 - Separateur de poudres avec vannes en v - Google Patents

Separateur de poudres avec vannes en v Download PDF

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Publication number
WO2006026895A1
WO2006026895A1 PCT/CN2004/001072 CN2004001072W WO2006026895A1 WO 2006026895 A1 WO2006026895 A1 WO 2006026895A1 CN 2004001072 W CN2004001072 W CN 2004001072W WO 2006026895 A1 WO2006026895 A1 WO 2006026895A1
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WO
WIPO (PCT)
Prior art keywords
cascade
rotor
shaped
classifier according
shaped cascade
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/CN2004/001072
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English (en)
Chinese (zh)
Inventor
Yamin He
Yong Wei
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Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of WO2006026895A1 publication Critical patent/WO2006026895A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B4/00—Separating solids from solids by subjecting their mixture to gas currents
    • B07B4/02—Separating solids from solids by subjecting their mixture to gas currents while the mixtures fall

Definitions

  • the invention relates to a cement material sorting device, which is a precision and high efficiency V-shaped cascade powder sorting machine which cooperates with a roller press to break up, classify and dry the cake.
  • the roller compacting system combined with the roller press and the classifier is a highly efficient and energy-saving grinding system. It has a very broad application prospect in the cement production industry.
  • the main obstacle affecting the use of the roller press is the roller of the roller press.
  • the pressed cake is relatively dense and cannot be directly sorted by a general classifier. It must be broken up before the finished fine powder can be sorted.
  • the cement raw material and the slag as a mixed material generally contain heavier moisture and must be dried. , and the roller press itself does not have a drying function.
  • the existing roller compaction grinding system is generally equipped with a DAG breaking classifier to complete the breaking and classification of the cake.
  • the existing V-shaped classifier can break up, classify and dry the cake, and has a small volume and high output, but has the following defects:
  • the fine powder has a wide particle size distribution, and some coarse particles are mixed into the finished product
  • the "V” shaped cascade is inclined outwardly from the left and right cascades to form a "V" shape, and each pair of “V” shaped cascades is a first "V” shaped cascade group, the entire "V”
  • the "blade cascade” is formed by stacking a plurality of stages of "V” shaped cascades at a certain interval, and a gap between each two stacked cascades forms a vented cascade passage.
  • the material passage is formed by a gap in the middle of each of the "V” shaped cascade plates that pass through the "V" shaped cascade.
  • the "V" shaped cascade is inclined toward the side of the air inlet to form a diagonal ladder shape, and the inclination of the connection of the feed port and the discharge port is adapted to the material passage.
  • the "V"-shaped cypress cypress is a sorting zone on the other side of the air inlet, that is, the side of the air outlet, and the air outlet is located at the upper part of the primary sorting zone.
  • a secondary sorting zone is disposed between the primary sorting zone and the air outlet, and a diversion scroll is disposed outside the zone, and a rotor driven by the driving device is disposed inside, and the non-driving side of the rotor has an opening communicating with the air outlet.
  • a second sorting baffle for introducing a gas flow into the flow guiding shell is disposed between the left side of the primary sorting zone and the rotor returning surface of the secondary sorting zone.
  • the rotor is provided with blades for the rotor to have a turbine function, adjacent blades constitute a rotor cascade passage, the rotor is driven to rotate by the driving device, and the fine powder flows into the air outlet from the rotor cascade passage into the rotor.
  • the upper portion of the rotor is provided with a plurality of wind guide vanes in the circumferential direction of the rotor.
  • the invention realizes the function of breaking, grading and drying of the cake, has a compact structure, is multi-purpose for one machine, and has large processing capacity.
  • the new V-blade classifier expands the range of use of the roller-grinding system, provides more options for the process, and simplifies the system and makes the operating parameters more reasonable. In particular, it has the following beneficial effects: 1. Due to the use of the secondary coarse powder return pipe, the secondary coarse powder is directly sent to the open ball mill for fine grinding, so that the system is very compact and compact, and the negative pressure of the dust collecting fan is lower than 4Kpa.
  • the system has low power consumption; if the secondary coarse powder does not need to be taken out separately, it can be fed from the outside of the casing to the return port through the secondary coarse powder return pipe and mixed with the primary coarse powder, and then rolled into the roller press again to avoid circulation inside the material.
  • the air volume adjusting plate on the air inlet side of the cascade grid. Rotating the adjusting plate angle can change the air inlet area of the channel to adjust the air volume flowing through the cascade channel. According to the air volume of the classifier, the feeding amount and the characteristics of the cake To adjust the wind speed distribution of each cascade to achieve the best sorting effect, so as not to meet different working conditions.
  • the middle and upper cascades can be opened appropriately.
  • the opening degree of the adjusting plate is such that most of the cascades from bottom to top maintain a high wind speed to enhance the stripping capacity of the entire classifier; when the amount of powder selected is insufficient, the stripping capacity is low due to the low wind speed of the cascade, which can be reduced.
  • the opening degree of the upper cascade of the adjustment plate allows the airflow to pass mainly from the middle and lower cascades at a relatively fast speed, and still maintains a strong material carrying capacity.
  • the guide vane disposed on the upper part of the rotor changes the direction of the dusty airflow at the edge of the rotor to make it outwardly biased, it also changes the particle speed and the magnitude and direction of the force, so that the particle size of the upper part of the rotor and the lower part of the rotor are basically In the same way, there is almost no coarse particles in the finished fine powder.
  • Figure 1 is a schematic cross-sectional structural view of the present invention
  • FIG. 2 is an enlarged view of the portion I shown in Figure 1;
  • Figure 3 is an enlarged view of II shown in Figure 1;
  • FIG. 5 is a schematic cross-sectional view of the left side of the present invention.
  • Figure 6 is a schematic top plan view of the present invention.
  • Figure 7 is a schematic view showing the application of the secondary coarse powder return pipe in the rolling semi-finished powder open flow system according to the present invention.
  • Figure 8 is a schematic view of the present invention using a secondary coarse powder return pipe to simplify the system of Figure 7. detailed description
  • the material particles above a certain particle size are dropped into the discharge port to become a coarse powder, and the particles below the characteristic particle size are selected. Brought into the secondary sorting zone, the cage rotor rotated counterclockwise for secondary sorting. After the fine powder enters the rotor with the airflow, it is discharged by the air outlet and collected by the dust collector as the finished product.
  • the cage rotor is driven by the motor through the reducer Dynamically, the frequency of the motor is adjusted by the variable frequency speed regulation method, thereby changing the rotation speed of the cage rotor, and the fineness of the finished product can be conveniently controlled.
  • a multi-stage "V" shaped cascade 6 having a function of breaking up the cake under the action of the wind is disposed between the inlet 4 and the discharge opening 5 in the casing
  • "V" shaped cascade 6 is a material passage 10 which penetrates with the feed port 4 and the discharge port 5, and the air inlet 2 (right side of the figure) provided on the body 1 communicates with the material passage 10 of the "V" shaped cascade 6.
  • the specific structure of the "V" cascade shown in Figure 1 is described below:
  • the "V” shaped cascade 6 is formed by a “V” shape of each of the left and right cascades, and each pair constitutes a “V” shaped cascade.
  • the "V" shaped cascade grid set, the entire “V” shaped cascade is composed of a plurality of stages of "V” shaped cascades stacked at a certain interval, and the gap between each two stacked cascades is formed.
  • the material passage 10 is formed by a gap in the middle of each of the "V” shaped cascade plates that pass through the "V" shaped cascade 6 .
  • the "V” shaped cascade 6 is inclined toward the side of the air inlet 2 to form a diagonal ladder shape, and the inclination of the connection of the inlet port 4 and the outlet port 5 is adapted to the material passage 10.
  • the "V" shaped cascade 6 is a primary sorting zone 11 with respect to the other side of the air inlet 2, that is, the side of the air outlet direction.
  • the air outlet 3 is provided on the non-driving side of the rotor 7, as shown in Fig. 2.
  • An air volume adjusting plate 15 for moving the air inlet area of the cascade channel 9 is installed on the air inlet side of the plurality of blade grids, as shown in FIG. Rotating the adjustment plate angle can adjust the amount of air flowing through the cascade channel 9 to meet different working conditions.
  • the opening degree of the adjustment plate 15 of the large middle and upper cascades can be appropriately opened, so that most of the cascades from bottom to top maintain a high wind speed to enhance the capacity of the entire classifier;
  • the opening capacity of the adjusting plate 15 of the middle and upper cascades can be reduced due to the poor conveying capacity due to the low wind speed of the cascade, so that the airflow mainly passes through the middle and lower cascades at a relatively fast speed, and still maintains a strong strip. ability.
  • the rotating shaft of the air volume adjusting plate 15 protrudes outside the casing, and one end of the rotating shaft is provided with a rocker arm to rotate and position the adjusting plate.
  • the secondary sorting zone 12 is operated by the centrifugal centrifugal sorting principle, as shown in Fig. 1, Fig. 3, and Fig.
  • the rotor 7 is provided with blades 16 for causing the rotor to have a turbine function.
  • the adjacent blades constitute a rotor cascade passage, and the rotor 7 is driven to rotate by the driving device 8, and the dust-containing gas flows from the rotor cascade passage into the rotor and flows to the air outlet 3.
  • the suspended material particles move with the airflow, they are mainly subjected to the downward gravity G, the air resistance R along the flow line direction, and the centrifugal force C along the normal direction of the particle motion trajectory. Whether the particles can be selected depends on their initial velocity u. And the magnitude and direction of the forces G, R, C.

Landscapes

  • Combined Means For Separation Of Solids (AREA)

Abstract

L'invention concerne un séparateur de poudres avec vannes en V comprenant une hotte (1), une ouverture d'admission (4), une ouverture de décharge (5), une sortie d'air (3) et une entrée d'air (2). Des couches multiples de vannes en V conçues pour disperser les pains de matériaux sont disposées dans la hotte (1) entre les ouvertures d'admission (4) et de décharge (5). Un conduit allant de l'ouverture d'admission (4) à l'ouverture de décharge (5)est monté entre les vannes en V. L'entrée d'air (2) de la hotte (1) communique avec le conduit. Des déflecteurs réglable (15) agissant sur la surface d'admission d'air du conduit sont reliés aux vannes en V sur le côté admission. Un conduit de retour secondaire pour poudre grossière, qui peut être raccordé au bas des vannes en V dans la hotte ou dans l'ouverture d'admission d'un broyeur à boulets, est monté à l'extérieur de la hotte.
PCT/CN2004/001072 2004-09-07 2004-09-21 Separateur de poudres avec vannes en v Ceased WO2006026895A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CNU2004200611261U CN2756331Y (zh) 2004-09-07 2004-09-07 V形叶栅选粉机
CN200420061126.1 2004-09-07

Publications (1)

Publication Number Publication Date
WO2006026895A1 true WO2006026895A1 (fr) 2006-03-16

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Application Number Title Priority Date Filing Date
PCT/CN2004/001072 Ceased WO2006026895A1 (fr) 2004-09-07 2004-09-21 Separateur de poudres avec vannes en v

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CN (1) CN2756331Y (fr)
WO (1) WO2006026895A1 (fr)

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105961654A (zh) * 2016-06-30 2016-09-28 贵州四季春茶业有限责任公司 一种苦丁茶加工设备
CN106944238A (zh) * 2017-04-13 2017-07-14 江门市中建科技开发有限公司 一种选粉器的进气装置
CN107617502A (zh) * 2017-11-02 2018-01-23 江苏吉能达环境能源科技有限公司 多级粉磨超细粉生产设备
CN107694935A (zh) * 2017-11-04 2018-02-16 江苏吉能达环境能源科技有限公司 一种v型高效选粉机
CN107694934A (zh) * 2017-11-04 2018-02-16 江苏吉能达环境能源科技有限公司 一种v型选粉机
CN109046558A (zh) * 2018-09-07 2018-12-21 天津水泥工业设计研究院有限公司 一种水泥辊压机终粉磨系统及工作方法
CN109127407A (zh) * 2018-10-10 2019-01-04 广西三威林产工业有限公司 砂光粉尘筛选装置
CN109332010A (zh) * 2018-09-07 2019-02-15 天津水泥工业设计研究院有限公司 多转子动态选粉机、选粉方法及应用
CN109675804A (zh) * 2018-12-25 2019-04-26 湘潭玉峰新材料科技有限公司 一种用于钢渣砂生产的风选装置
CN109926162A (zh) * 2019-04-27 2019-06-25 南京凯盛国际工程有限公司 一种侧进风带内置组合高效选粉的新型立式磨机
CN110732382A (zh) * 2019-11-26 2020-01-31 天津水泥工业设计研究院有限公司 一种机制砂立磨及其生产工艺系统
CN110841912A (zh) * 2019-12-14 2020-02-28 江苏吉能达环境能源科技有限公司 一种超细粉分级机
CN111570064A (zh) * 2020-05-29 2020-08-25 中钢天源股份有限公司 一种细粒级干法制粉系统及其制粉工艺
CN112934695A (zh) * 2021-04-29 2021-06-11 山东长江粮油仓储机械有限公司 百叶式吸风分离器
CN116020742A (zh) * 2023-02-07 2023-04-28 中国铁建重工集团股份有限公司 多通道选粉设备
CN117380543A (zh) * 2023-11-09 2024-01-12 四川德胜集团水泥有限公司 一种水泥自动选粉装置
CN118371430A (zh) * 2024-05-12 2024-07-23 江苏羚羊新材料科技有限公司 一种新型超细粉选粉机

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CN100408206C (zh) * 2006-07-31 2008-08-06 何亚民 水泥生料制备方法及其实施设备
CN101767093A (zh) * 2010-03-15 2010-07-07 天津水泥工业设计研究院有限公司 集打散、烘干和分级功能为一体的选粉机
CN102240588B (zh) * 2011-05-19 2013-12-18 成都利君实业股份有限公司 一种磁铁矿干磨干选方法
CN102580923A (zh) * 2012-02-22 2012-07-18 成都利君实业股份有限公司 多级串联一体化v形选粉机
CN104259103B (zh) * 2014-09-23 2016-08-17 石河子开发区天佐种子机械有限责任公司 导风装置、带有导风装置的筛板以及清选机
CN104438088B (zh) * 2014-10-31 2017-01-25 中联重科股份有限公司 物料分散除尘装置和方法及其进风结构，空气振动筛
CN107350162A (zh) * 2017-08-25 2017-11-17 长沙深湘通用机器有限公司 多产品多级分级机
CN107309174A (zh) * 2017-08-25 2017-11-03 长沙深湘通用机器有限公司 分选装置
CN111375543A (zh) * 2018-12-28 2020-07-07 成都利君实业股份有限公司 V型选粉机
CN111215220A (zh) * 2019-11-26 2020-06-02 天津水泥工业设计研究院有限公司 一种生产多产品机制砂的生产工艺系统
CN111495560B (zh) * 2020-06-03 2024-11-15 南京工业大学 一种静态双分级选粉机及半终预粉磨系统
CN111854335A (zh) * 2020-07-30 2020-10-30 李国安 一种悬浮式粉体烘干机
CN114345454A (zh) * 2021-12-01 2022-04-15 中材（天津）粉体技术装备有限公司 一种高效低阻型立式辊磨机
CN118320899B (zh) * 2024-04-30 2026-01-30 天津水泥工业设计研究院有限公司 一种对辊挤压风力分级一体机

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CN2489884Y (zh) * 2001-05-25 2002-05-08 郝辉 静态选粉机
CN2597105Y (zh) * 2003-01-13 2004-01-07 何亚民 V形选粉机

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US4618415A (en) * 1984-08-31 1986-10-21 Amf Incorporated Tobacco separator
US5392998A (en) * 1992-07-18 1995-02-28 Kloeckner-Humboldt-Deutz Ag Sifter for sifting granular material and grinding system with insertion of such a sifter
CN2489884Y (zh) * 2001-05-25 2002-05-08 郝辉 静态选粉机
CN2597105Y (zh) * 2003-01-13 2004-01-07 何亚民 V形选粉机

Cited By (22)

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Publication number Priority date Publication date Assignee Title
CN105961654A (zh) * 2016-06-30 2016-09-28 贵州四季春茶业有限责任公司 一种苦丁茶加工设备
CN106944238A (zh) * 2017-04-13 2017-07-14 江门市中建科技开发有限公司 一种选粉器的进气装置
CN107617502A (zh) * 2017-11-02 2018-01-23 江苏吉能达环境能源科技有限公司 多级粉磨超细粉生产设备
CN107617502B (zh) * 2017-11-02 2023-10-24 江苏吉能达环境能源科技有限公司 多级粉磨超细粉生产设备
CN107694935A (zh) * 2017-11-04 2018-02-16 江苏吉能达环境能源科技有限公司 一种v型高效选粉机
CN107694934A (zh) * 2017-11-04 2018-02-16 江苏吉能达环境能源科技有限公司 一种v型选粉机
CN109046558B (zh) * 2018-09-07 2023-08-25 天津水泥工业设计研究院有限公司 一种水泥辊压机终粉磨系统及工作方法
CN109332010A (zh) * 2018-09-07 2019-02-15 天津水泥工业设计研究院有限公司 多转子动态选粉机、选粉方法及应用
CN109332010B (zh) * 2018-09-07 2024-04-30 天津水泥工业设计研究院有限公司 多转子动态选粉机、选粉方法及应用
CN109046558A (zh) * 2018-09-07 2018-12-21 天津水泥工业设计研究院有限公司 一种水泥辊压机终粉磨系统及工作方法
CN109127407A (zh) * 2018-10-10 2019-01-04 广西三威林产工业有限公司 砂光粉尘筛选装置
CN109675804A (zh) * 2018-12-25 2019-04-26 湘潭玉峰新材料科技有限公司 一种用于钢渣砂生产的风选装置
CN109675804B (zh) * 2018-12-25 2023-11-10 湘潭鑫达新材料科技有限公司 一种用于钢渣砂生产的风选装置
CN109926162A (zh) * 2019-04-27 2019-06-25 南京凯盛国际工程有限公司 一种侧进风带内置组合高效选粉的新型立式磨机
CN110732382A (zh) * 2019-11-26 2020-01-31 天津水泥工业设计研究院有限公司 一种机制砂立磨及其生产工艺系统
CN110841912A (zh) * 2019-12-14 2020-02-28 江苏吉能达环境能源科技有限公司 一种超细粉分级机
CN111570064A (zh) * 2020-05-29 2020-08-25 中钢天源股份有限公司 一种细粒级干法制粉系统及其制粉工艺
CN111570064B (zh) * 2020-05-29 2024-01-26 中钢天源股份有限公司 一种2mm细粒级干法制粉系统及其制粉工艺
CN112934695A (zh) * 2021-04-29 2021-06-11 山东长江粮油仓储机械有限公司 百叶式吸风分离器
CN116020742A (zh) * 2023-02-07 2023-04-28 中国铁建重工集团股份有限公司 多通道选粉设备
CN117380543A (zh) * 2023-11-09 2024-01-12 四川德胜集团水泥有限公司 一种水泥自动选粉装置
CN118371430A (zh) * 2024-05-12 2024-07-23 江苏羚羊新材料科技有限公司 一种新型超细粉选粉机

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