WO2020037832A1 - 一种超细粉体分选机 - Google Patents

一种超细粉体分选机 Download PDF

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Publication number
WO2020037832A1
WO2020037832A1 PCT/CN2018/113841 CN2018113841W WO2020037832A1 WO 2020037832 A1 WO2020037832 A1 WO 2020037832A1 CN 2018113841 W CN2018113841 W CN 2018113841W WO 2020037832 A1 WO2020037832 A1 WO 2020037832A1
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Prior art keywords
port
sorting machine
powder
fine powder
coarse powder
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PCT/CN2018/113841
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English (en)
French (fr)
Inventor
吕海峰
曹海宁
白志忠
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江苏吉能达环境能源科技有限公司
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Publication of WO2020037832A1 publication Critical patent/WO2020037832A1/zh

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
    • B04C9/00—Combinations with other devices, e.g. fans, expansion chambers, diffusors, water locks
    • 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
    • B07B11/00—Arrangement of accessories in apparatus for separating solids from solids using gas currents
    • 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
    • B07B11/00—Arrangement of accessories in apparatus for separating solids from solids using gas currents
    • B07B11/06—Feeding or discharging arrangements
    • 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
    • B07B7/00—Selective separation of solid materials carried by, or dispersed in, gas currents
    • B07B7/08—Selective separation of solid materials carried by, or dispersed in, gas currents using centrifugal force
    • B07B7/086—Selective separation of solid materials carried by, or dispersed in, gas currents using centrifugal force generated by the winding course of the gas stream

Definitions

  • the utility model relates to a sorting machine, in particular to an ultra-fine powder sorting machine, and belongs to the technical field of mechanical applications.
  • the JND-CX series of ultra-fine powder sorting machine is the latest research and development of Jiangsu Jinengda Environmental Energy Technology Co., Ltd. on the basis of drawing on the most advanced ultra-fine powder classification principles in the world and combining with many powder engineering research institutes. product.
  • the structure of the separator uses double-side feed, lower air inlet, and independent operation of upper and lower drives. It integrates three-dimensional eddy current dispersion, plane eddy current classification, gravity sedimentation classification, centrifugal sedimentation classification and other methods, making the classifier with high classification efficiency.
  • the specific surface area is easy to adjust in the range of 600m2 / kg ⁇ 1000m2 / kg; the system configuration is simplified, and the energy saving effect is significant.
  • This product is suitable for the grinding system of cement raw materials, cement clinker, slag and other materials. It is also suitable for ultrafine powder production units such as desulfurized calcium-based powder, kaolin, titanium dioxide, slag fine powder, ultrafine fly ash and other materials. Therefore, an ultra-fine powder sorting machine will definitely have a good market prospect.
  • the technical problem to be solved by the utility model is to overcome the defects of the prior art and provide an ultra-fine powder sorting machine, which is convenient to use and saves a lot of costs.
  • the present invention provides the following technical solutions:
  • the utility model provides an ultra-fine powder sorting machine, which includes an upper drive, which is provided with air outlets on both sides of the upper drive, and a combined cyclone collector is arranged at the bottom of the outlet, and the bottom of the combined cyclone collector
  • a fine powder collecting cone is provided, a cage rotor is provided on the upper driving bottom, an arc-shaped guide blade is provided on one side of the cage-shaped rotor, and a feed inlet is provided on one side of the arc-shaped guide blade, the cage-shaped
  • the bottom of the rotor is provided with a medium coarse powder port, and a three-dimensional dispersed material distribution pan is provided on one side of the medium coarse powder port, and a cold air port is provided on the bottom of the three-dimensional dispersed powder pan, and an air inlet is provided on one side of the cold air port.
  • a coarse powder port is provided on one side of the air inlet, and a lower drive is provided on one side of the coarse powder port.
  • the air outlet and the combined cyclone collector are connected by a screw nut.
  • the upper drive, the lower drive, and the arc-shaped guide blades, the three-dimensional dispersion spreader tray, the combined cyclone collector, and the fine powder collection cone Connected by connecting shaft.
  • the fine powder collecting cone and the combined cyclone collector are connected by a screw nut.
  • the utility model has the advantages of simple structure, low cost and strong practicability.
  • the classification principle is advanced.
  • the structural design is relatively unique. It uses double-sided feeding, a new three-dimensional spreading disc and a new cage rotor, which are driven independently, and the lower air inlet method. It integrates three-dimensional eddy current dispersion, plane eddy current classification, gravity sedimentation classification, centrifugal sedimentation classification, etc. The principle of grading realizes multi-stage separation.
  • the rotation speed of the cage rotor and the rotation speed of the three-dimensional dispersion spreader are independently adjusted and the air volume is adjusted by frequency.
  • Fineness control is convenient.
  • the rotating cage of the powder separator and the material distribution of the powder separator adopt frequency conversion speed control, and the fan also adopts frequency conversion speed control. As long as the rotation speed of the basket and the spreading disc and the fan air volume are controlled, fineness control can be easily implemented. Wide adjustment range, convenient fineness adjustment, sensitive and reliable, 4. Large energy saving range.
  • the whole equipment is designed with CFD flow field analysis and digital simulation, and the system uses a streamlined design, which makes the system resistance significantly reduced, the energy saving effect is very obvious, and 5, the powder selection and classification efficiency is high.
  • the three-dimensional dispersing and spreading disc of the classifier is independently driven and feeds on both sides. When the incoming material passes through the spreading disc, the material is vortex dispersed, so that the agglomerated particles adsorbed by static electricity are fully dispersed and dispersed due to the vortex. As the airflow passes through the arc-shaped guide blades, it goes into the basket of the classifier for accurate classification. 6. Improves the quality of the finished product.
  • the specific surface area of the finished product can be adjusted from 600 m2 / kg to 1000 m2 / kg, and 7, the service life is long.
  • Wear-resistant parts such as classifying discs, cyclone snail angles, guide vanes, rotor classifying blades, rotor air-locking blades, coarse powder cones and other wear-resistant parts are treated with a new type of wear-resistant alloy plate as the liner of the classifier. Greatly reduced and effectively prolonged the service life of the equipment.
  • the bearing cooling under the powder separator adopts a double seal structure of air seal and skeleton oil seal, which effectively solves the two major problems of lubricating oil leakage and bearing ash, which is practical and effective. It prolongs the service life of the lower bearing, saves a lot of costs, is simple and convenient to use, has good economic and social benefits, and is suitable for popularization.
  • Figure 1 is a schematic diagram of the subjective structure of the present invention
  • the utility model provides an ultra-fine powder sorting machine, which includes an upper drive 5, an air outlet 11 is provided on both sides of the upper drive 5, and a combination is provided at the bottom of the air outlet 11.
  • Type cyclone collector 10 the combined cyclone collector 10 is provided with a fine powder collection cone 12 at the bottom, the upper drive 5 is provided with a cage rotor 4 at the bottom, and one side of the cage rotor 4 is provided with an arc-shaped guide blade 3, a feed port 1 is provided on one side of the arc-shaped guide blade 3, a medium coarse powder port 8 is provided on the bottom of the cage rotor 4, and a three-dimensional dispersion spreading disc 2 is provided on one side of the medium coarse powder port 8 A cold air vent 13 is provided at the bottom of the three-dimensional dispersing and spreading tray 2.
  • An air inlet 7 is provided on one side of the cold air outlet 13.
  • a coarse powder port 9 is provided on one side of the air inlet 7.
  • Side is provided with a lower drive 6.
  • the air outlet 11 and the combined cyclone collector 10 are connected by screws and nuts, the upper drive 5 and the lower drive 6 It is connected to the arc-shaped guide blades 3, the three-dimensional dispersion spreading disc 2, the combined cyclone collector 10, and the fine powder collecting cone 12 through a connecting shaft, and the fine powder collecting cone 12 and the The combined cyclone collector 10 is connected by a screw nut.
  • the utility model When in use, the utility model is made into a superfine powder by a superfine powder ball mill, which is fed from the feed openings on both sides of the machine casing using a conveying device, the superfine powder enters the three-dimensional dispersion area, and the airflow is from the bottom air inlet 7 Entering, under the action of the three-dimensional dispersion and spreading disc 2, the high-speed rotating three-dimensional distribution and spread disc 2 disperses the ultrafine powder, and the high-speed air flow coming from the air inlet 7 generates a local vortex in the three-dimensional dispersion area, and disperses the material. Some of the coarse particles in the dispersed ultrafine powder are thrown to the cylinder wall by the effect of inertial centrifugal force.
  • the fast-rotating cage rotor 4 forms a strong and stable plane eddy current, which causes the medium coarse powder in the ultrafine powder to be thrown to the vertical guide blades under the action of centrifugal force and loses kinetic energy and falls into the medium coarse powder cone. , Through the medium coarse powder tube back to the mill.
  • the qualified ultrafine powder passes through the cage rotor 4 and enters the interior of the caged rotor 4 and enters the combined cyclone separator 10 with the airflow.
  • the ultrafine powder is collected by the fine powder collection cone 12 and the airflow passes through the air outlet 11 and returns to the fan.

Landscapes

  • Cyclones (AREA)
  • Combined Means For Separation Of Solids (AREA)

Abstract

一种超细粉体分选机，包括上部驱动(5)，所述上部驱动(5)两侧设置有出风口(11)，所述出风口(11)底部设置有组合式旋风收集器(10)，所述组合式旋风收集器(10)底部设置有细粉收集锥(12)，所述上部驱动(5)底部设置有笼形转子(4)，所述笼形转子(4)一侧设置有弧形导向叶片(3)，所述弧形导向叶片(3)一侧设置有进料口(1)，所述笼形转子(4)底部设置有中粗粉口(8)，所述中粗粉口(8)一侧设置有立体分散撒料盘(2)，所述立体分散撒料盘(2)底部设置有冷风口(13)，所述冷风口(13)一侧设置有进风口(7)，所述进风口(7)一侧设置有粗粉口(9)，所述粗粉口(9)一侧设置有下部驱动(6)；该种超细粉体分选机通过各个部件的协同作用，提高了分选机的工作效率，节约了大量成本，适合推广使用。

Description

一种超细粉体分选机 技术领域
本实用新型涉及一种分选机，特别涉及一种超细粉体分选机，属于机械应用技术领域。
 背景技术
JND-CX系列超细粉体分选机是江苏吉能达环境能源科技有限公司在借鉴国际最先进的超细粉体分级原理的基础上，联合多家粉体工程科研院所最新研制开发的产品。该分选机结构上采用双侧进料、下部进风，上下双驱独立运行，整合了立体涡流分散、平面涡流分级、重力沉降分级、离心沉降分级等方式，使该选粉机分级效率高、比表面积在600m²/kg～1000m²/kg范围调节方便；简化了***配置，节能效果显著。该产品适用于水泥生料、水泥熟料、矿渣等物料的粉磨***中，也适用于脱硫钙基粉体、高岭土、钛白粉、矿渣微粉、超细粉煤灰等超细粉体生产单位，因此，一种超细粉体分选机必将拥有良好的市场前景。
 技术问题
本实用新型要解决的技术问题是克服现有技术的缺陷，提供一种超细粉体分选机，使用方便，节约了大量的成本。
 技术解决方案
为了解决上述技术问题，本实用新型提供了如下的技术方案：
本实用新型提供一种超细粉体分选机，包括上部驱动，所述上部驱动两侧设置有出风口，所述出风口底部设置有组合式旋风收集器，所述组合式旋风收集器底部设置有细粉收集锥，所述上部驱动底部设置有笼形转子，所述笼形转子一侧设置有弧形导向叶片，所述弧形导向叶片一侧设置有进料口，所述笼形转子底部设置有中粗粉口，所述中粗粉口一侧设置有立体分散撒料盘，所述立体分散撒料盘底部设置有冷风口，所述冷风口一侧设置有进风口，所述进风口一侧设置有粗粉口，所述粗粉口一侧设置有下部驱动。
    作为本实用新型的一种优选技术方案，所述出风口与所述组合式旋风收集器通过螺丝螺母相连接。
作为本实用新型的一种优选技术方案，所述上部驱动、所述下部驱动与所述弧形导向叶片、所述立体分散撒料盘、所述组合式旋风收集器、所述细粉收集锥通过连接轴相连接。
作为本实用新型的一种优选技术方案，所述细粉收集锥与所述组合式旋风收集器通过螺丝螺母相连接。
 有益效果
本实用新型的结构简单，造价低廉，且实用性强，1、分级原理先进。结构设计较为独特，改用双侧进料、新型立体撒料盘和新型笼形转子各自独立驱动、下部进风方式等，整合了立体涡流分散、平面涡流分级、重力沉降分级、离心沉降分级等分级原理，实现了多级分离，2、适应能力强。笼形转子转速与立体分散撒料盘转速各自独立调节以及风量变频调节，可适应钙基脱硫粉体、超细高岭土、钛白粉、矿渣微粉、超细粉煤灰、水泥等不同密度、不同细度要求的粉体的加工过程。既可作为闭路粉磨***附属设备，也可作为粉煤灰等超细粉体的直接分级处理设备，3、细度控制便捷。选粉机转笼与选粉机撒料各自采用变频调速控制，风机也采用变频调速控制，只要控制转笼与撒料盘的转速和风机风量，就可很方便的实现细度控制，调节范围宽，细度调节方便、灵敏可靠，4、节能幅度大。整个设备设计时采用CFD流场分析数字模拟，***采用流线形设计，使得***阻力显著减小，节能效果十分明显，5、选粉分级效率高。选粉机立体分散撒料盘独立驱动，双侧进料，来料在经过撒料盘时，物料涡流分散，使由静电吸附的团状颗粒由于涡流充分分散及打散。随气流通过弧形导向叶片，进去选粉机转笼，进行精准分级，6、提高成品质量。成品比表面积可达600 m2/kg-1000 m2/kg可调，7、使用寿命长。分级撒料盘、旋风筒蜗牛角、导向叶片、转子分级叶片、转子锁风叶片、粗粉锥等易磨损部件进行抗磨工艺处理，采用新型耐磨合金板作分级机内衬，其磨损率大大降低，有效地延长了设备的使用寿命，8、选粉机下轴承冷却采用气密封与骨架油封的双密封圈结构，有效地解决了润滑油泄漏和轴承进灰两项重大问题，切实有效的延长了下轴承使用寿命，节约了大量的成本，使用简单方便，有良好的经济效益和社会效益，适合推广使用。
 附图说明
附图用来提供对本实用新型的进一步理解，并且构成说明书的一部分，与本实用新型的实施例一起用于解释本实用新型，并不构成对本实用新型的限制。在附图中：
图1是本实用新型的主观结构示意图；
图中：1、进料口；2、立体分散撒料盘；3、弧形导向叶片；4、笼形转子；5、上部驱动；6、下部驱动；7、进风口；8、中粗粉口；9、粗粉口；10、组合式旋风收集器；11、出风口；12、细粉收集锥；13、冷风口。
 本发明的最佳实施方式
以下结合附图对本实用新型的优选实施例进行说明，应当理解，此处所描述的优选实施例仅用于说明和解释本实用新型，并不用于限定本实用新型。
    实施例：如图1所示，本实用新型提供一种超细粉体分选机，包括上部驱动5，所述上部驱动5两侧设置有出风口11，所述出风口11底部设置有组合式旋风收集器10，所述组合式旋风收集器10底部设置有细粉收集锥12，所述上部驱动5底部设置有笼形转子4，所述笼形转子4一侧设置有弧形导向叶片3，所述弧形导向叶片3一侧设置有进料口1，所述笼形转子4底部设置有中粗粉口8，所述中粗粉口8一侧设置有立体分散撒料盘2，所述立体分散撒料盘2底部设置有冷风口13，所述冷风口13一侧设置有进风口7，所述进风口7一侧设置有粗粉口9，所述粗粉口9一侧设置有下部驱动6。
为了使该种超细粉体分选机，使用方便，工作效率高，所述出风口11与所述组合式旋风收集器10通过螺丝螺母相连接，所述上部驱动5、所述下部驱动6与所述弧形导向叶片3、所述立体分散撒料盘2、所述组合式旋风收集器10、所述细粉收集锥12通过连接轴相连接，所述细粉收集锥12与所述组合式旋风收集器10通过螺丝螺母相连接。
本实用新型在使用时，通过超细粉球磨机制成超细粉体，使用输送设备从本机壳体两侧进料口喂入，超细粉体进入立体分散区域，气流由底部进风口7进入，在立体分散撒料盘2的作用下，高速旋转的立体分撒料盘2将超细粉体分散，从进风口7进来的高速气流在立体分散区域产生局部涡流，将物料打散，分散后的超细粉体中的部分粗颗粒受到惯性离心力的作用被甩到筒壁，碰撞后失去动能沿内壁面滑下，落到粗粉收料装置，回磨机，其余的超细粉体随旋转的高速气流进入一次分选区域，经过环向叶片的作用区时，在环向叶片的撞击下，又一部分粗粉颗粒被抛到筒壁，碰撞后失去动能沿内壁面滑下，落到粗粉收料装置排出，回磨机，超细粉体中的中粗粉和细粉通过环向叶片后，继续上升穿过立式弧形导向叶片3进入二级分选区域，超细粉体随高速气流在高速旋转的笼形转子4形成强烈而稳定的平面涡流作用下，使超细粉体中的中粗粉在离心力的作用下被抛向立式导向叶片后失去动能，落到中粗粉锥中，通过中粗粉管排出回磨机。符合要求的超细粉穿过笼形转子4进入其内部，随气流进入组合式旋风分离器10，超细粉由细粉收集锥12收集，气流通过出风口11，返回风机。
最后应说明的是：以上所述仅为本实用新型的优选实施例而已，并不用于限制本实用新型，尽管参照前述实施例对本实用新型进行了详细的说明，对于本领域的技术人员来说，其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换。凡在本实用新型的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本实用新型的保护范围之内。
 

Claims (4)

  1. 一种超细粉体分选机，包括上部驱动（5），其特征在于，所述上部驱动（5）两侧设置有出风口（11），所述出风口（11）底部设置有组合式旋风收集器（10），所述组合式旋风收集器（10）底部设置有细粉收集锥（12），所述上部驱动（5）底部设置有笼形转子（4），所述笼形转子（4）一侧设置有弧形导向叶片（3），所述弧形导向叶片（3）一侧设置有进料口（1），所述笼形转子（4）底部设置有中粗粉口（8），所述中粗粉口（8）一侧设置有立体分散撒料盘（2），所述立体分散撒料盘（2）底部设置有冷风口（13），所述冷风口（13）一侧设置有进风口（7），所述进风口（7）一侧设置有粗粉口（9），所述粗粉口（9）一侧设置有下部驱动（6）。
  2. 根据权利要求1所述的一种超细粉体分选机，其特征在于，所述出风口（11）与所述组合式旋风收集器（10）通过螺丝螺母相连接。
  3. 根据权利要求1所述的一种超细粉体分选机，其特征在于，所述上部驱动（5）、所述下部驱动（6）与所述弧形导向叶片（3）、所述立体分散撒料盘（2）、所述组合式旋风收集器（10）、所述细粉收集锥（12）通过连接轴相连接。
  4. 根据权利要求1所述的一种超细粉体分选机，其特征在于，所述细粉收集锥（12）与所述组合式旋风收集器（10）通过螺丝螺母相连接。
     
PCT/CN2018/113841 2018-08-21 2018-11-02 一种超细粉体分选机 WO2020037832A1 (zh)

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CN110743792A (zh) * 2019-10-25 2020-02-04 江苏吉能达环境能源科技有限公司 一种高分散涡流选粉机
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