WO2020037832A1

WO2020037832A1 - Ultrafine powder sorting machine

Info

Publication number: WO2020037832A1
Application number: PCT/CN2018/113841
Authority: WO
Inventors: 吕海峰; 曹海宁; 白志忠
Original assignee: 江苏吉能达环境能源科技有限公司
Priority date: 2018-08-21
Filing date: 2018-11-02
Publication date: 2020-02-27
Also published as: CN208824991U

Abstract

Provided is an ultrafine powder sorting machine, comprising an upper drive (5), wherein air outlets (11) are provided at two sides of the upper drive (5); the bottom of the air outlet (11) is provided with a combined cyclone collector (10), and the bottom of the combined cyclone collector (10) is provided with a fine powder collection cone (12); the bottom of the upper drive (5) is provided with a cage-shaped rotor (4), one side of the cage-shaped rotor (4) is provided with an arc-shaped guide blade (3), and one side of the arc-shaped guide blade (3) is provided with a feeding port (1); the bottom of the cage-shaped rotor (4) is provided with a medium coarse powder port (8), and one side of the medium coarse powder port (8) is provided with a solid dispersing material scattering plate (2); the bottom of the solid dispersing material scattering plate (2) is provided with a cold air port (13), and one side of the cold air port (13) is provided with an air inlet (7); and one side of the air inlet (7) is provided with a coarse powder port (9), and one side of the coarse powder port (9) is provided with a lower drive (6). By means of the coordinated effect of various components of the ultrafine powder sorting machine, the working efficiency of the sorting machine is improved, and massive savings are achieved, and the sorting machine is suitable for popularization and use.

Description

Superfine powder sorting machine

Technical field

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.

Background technique

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.

technical problem

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.

Technical solutions

In order to solve the above technical problems, 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.

As a preferred technical solution of the present utility model, the air outlet and the combined cyclone collector are connected by a screw nut.

As a preferred technical solution of the present utility model, 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.

As a preferred technical solution of the present utility model, the fine powder collecting cone and the combined cyclone collector are connected by a screw nut.

Beneficial effect

The utility model has the advantages of simple structure, low cost and strong practicability. 1. 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. 2. Strong adaptability. 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. It can adapt to calcium-based desulfurized powder, ultra-fine kaolin, titanium dioxide, slag fine powder, ultra-fine fly ash, cement and other different densities and fine Degree required powder processing. It can be used as auxiliary equipment of closed-circuit grinding system, and can also be used as direct classification processing equipment for ultra-fine powder such as fly ash. 3. 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. 8. 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.

BRIEF DESCRIPTION OF THE DRAWINGS

The drawings are used to provide a further understanding of the present invention, and constitute a part of the description. They are used to explain the present invention together with the embodiments of the present invention, and do not constitute a limitation on the present invention. In the drawings:

Figure 1 is a schematic diagram of the subjective structure of the present invention;

In the picture: 1. Feed inlet; 2. Three-dimensional dispersing spreading disc; 3. Arc guide vanes; 4. Cage rotor; 5. Upper drive; 6. Lower drive; 7. Air inlet; 8. Medium coarse powder Port; 9, coarse powder port; 10, combined cyclone collector; 11, air outlet; 12, fine powder collection cone; 13, cold air port.

Best Mode of the Invention

The following describes preferred embodiments of the present invention with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention and are not intended to limit the present invention.

Example: As shown in FIG. 1, 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.

In order to make this kind of ultra-fine powder sorting machine easy to use and work efficiently, 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.

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. After the collision, they lose kinetic energy and slide down the inner wall surface. They fall to the coarse powder receiving device, back to the mill, and the rest of the ultrafine powder. The body enters a sorting area with the rotating high-speed airflow. When passing through the action area of the hoop blade, under the impact of the hoop blade, another part of the coarse powder particles are thrown to the cylinder wall, and after the collision, it loses kinetic energy and slides down the inner wall surface. After falling to the coarse powder receiving device for discharge, back to the mill, the medium coarse powder and fine powder in the ultrafine powder pass through the annular blades, and then continue to rise through the vertical curved guide blades 3 to enter the secondary sorting area. Fine powder with high-speed airflow 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.

Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that , It can still modify the technical solutions described in the foregoing embodiments, or equivalently replace some of the technical features. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.

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Claims

An ultrafine powder sorting machine includes an upper drive (5), which is characterized in that air outlets (11) are provided on both sides of the upper drive (5), and a combined type is provided at the bottom of the air outlet (11) Cyclone collector (10), the combined cyclone collector (10) is provided with a fine powder collection cone (12) at the bottom, and the upper drive (5) is provided with a cage rotor (4) at the bottom, the cage rotor (4) One side is provided with an arc-shaped guide blade (3), one side of the arc-shaped guide blade (3) is provided with a feeding port (1), and the cage rotor (4) is provided with a medium coarse powder port at the bottom (8) A three-dimensional dispersing spreading pan (2) is provided on one side of the medium coarse powder opening (8), and a cold air vent (13) is provided at the bottom of the three-dimensional dispersing spreading pan (2). 13) An air inlet (7) is provided on one side, a coarse powder port (9) is provided on one side of the air inlet (7), and a lower drive (6) is provided on one side of the coarse powder port (9).
The ultra-fine powder sorting machine according to claim 1, characterized in that the air outlet (11) and the combined cyclone collector (10) are connected by screws and nuts.
The ultra-fine powder sorting machine according to claim 1, characterized in that the upper drive (5), the lower drive (6), the curved guide vanes (3), and the three-dimensional The dispersing and spreading disc (2), the combined cyclone collector (10), and the fine powder collecting cone (12) are connected by a connecting shaft.
The ultra-fine powder sorting machine according to claim 1, characterized in that the fine powder collecting cone (12) and the combined cyclone collector (10) are connected by a screw nut.

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