CN224087336U - A high-efficiency dynamic air classifier - Google Patents

Abstract

This utility model relates to the technical field of powder classification equipment, specifically disclosing a high-efficiency dynamic powder classifier, comprising: a cylinder; a coarse powder discharge pipe at the bottom of the cylinder; a bucket-shaped baffle in the middle of the cylinder; a motor 1 vertically mounted in the lower part of the cylinder, the output end of which is connected to a rotating shaft 1; a fan blade at the lower end of the rotating shaft 1; a crushing blade at the upper end of the rotating shaft 1; a second motor 2 mounted at the top of the cylinder, its output end facing downwards and connected to another rotating shaft 2; a cage-shaped screening cylinder mounted on the rotating shaft 2; several air outlet pipes evenly distributed on the upper side wall of the cylinder, the other end of which is connected to a first cyclone dust collector; the air outlets at the top of the first cyclone dust collectors are connected to the air inlets of a second cyclone dust collector via pipes; a feed hopper is located on the outer side wall of the cylinder, the lower end of which is connected to a feed pipe. This utility model can classify powders into four finenesses, resulting in finer screening and better classification effect.

Description

Graded high-efficiency dynamic powder selecting machine

Technical Field

The utility model relates to the technical field of powder selecting equipment, in particular to a grading high-efficiency dynamic powder selecting machine.

Background

The powder separator is a device for separating granular materials according to the size of the particles. It plays a vital role in numerous industrial fields such as cement production, mineral processing, chemical industry, etc. The main function of the method is to select qualified fine powder in the ground mixed material as a finished product, and return the coarse powder to grinding equipment for grinding again, so that the efficiency of a grinding system is effectively improved, the quality of the product is improved, and the energy consumption is reduced.

Chinese patent CN203091279U discloses a novel efficient powder concentrator, which comprises a driving device, a dynamic powder concentrator, a feed inlet, a classifying screen, an air inlet, a slag spouting port, a coarse powder outlet, a shell and a finished product outlet. The dynamic powder selecting machine is arranged at the upper part of the inside of the shell and is connected with a driving device arranged outside the shell, the finished product outlet is arranged above the dynamic powder selecting machine, and the lower part of the dynamic powder selecting machine is connected with the coarse powder outlet. The classifying screen is cone-disc-shaped, is arranged at the lower part of the inside of the shell, and the feed inlet is arranged right above the classifying screen through the shell, and is provided with an air inlet below the classifying screen and is connected with the slag outlet. The classifying screen is driven by a motor and can rotate at a constant speed along the central line. The taper angle of the classifying screen can be adjusted.

The technical scheme can only carry out two-stage powder selection, has low refinement degree, increases the burden of retreatment and reduces the production efficiency.

Disclosure of utility model

In order to solve the problems, the utility model adopts the following technical scheme.

The utility model provides a hierarchical high-efficient developments selection powder machine, which comprises a barrel, the barrel bottom is provided with the coarse powder discharging pipe, the middle part of barrel is provided with the bucket shape fender dish, be provided with the ascending passageway between bucket shape fender dish and the barrel, bucket shape fender dish bottom is provided with well coarse powder discharging pipe, the vertical motor that is provided with in the barrel lower part, the output of motor one is connected with pivot one, the lower extreme of pivot one is provided with the fan blade, the upper end of pivot one is provided with crushing leaf, the top of barrel is provided with motor two, the output of motor two sets up down and is connected with pivot two, be provided with cage type screening barrel in the pivot two, barrel upper portion lateral wall equipartition is provided with a plurality of tuber pipes, the tuber pipe other end is connected with first cyclone, the bottom of first cyclone is connected with well fine powder discharging pipe, the air outlet at a plurality of first cyclone tops is connected with the air intake of second cyclone through the pipeline, the bottom of second cyclone is connected with the superfine powder discharging pipe, the barrel lateral wall outside is provided with the feeder hopper, the lower extreme of feeder hopper is connected with the inlet pipe, the other end of feeder pipe communicates to fan blade top.

Preferably, a wind shielding cylinder is arranged in the cylinder body, the wind shielding cylinder is fixed between the bucket-shaped baffle disc and the bottom of the cylinder body through a mounting bracket, and a blanking channel is arranged between the wind shielding cylinder and the cylinder body.

Preferably, the first rotating shaft is further provided with a crushing mechanism, the crushing mechanism comprises a disc body, a plurality of vertical rods are uniformly distributed on the upper portion of the disc body, and the crushing mechanism is located below the feeding pipe.

Preferably, the tray body is of an inverted cone structure.

Preferably, a plurality of edges are arranged on the outer side of the vertical rod.

Preferably, the bottom of the cylinder body is connected with a supporting frame.

Compared with the prior art, the utility model has the following beneficial effects:

The utility model can classify the powder with four fineness, the screening is finer, the classifying effect is better, the subsequent reprocessing is more targeted, and the working efficiency is improved.

Drawings

FIG. 1 is a schematic cross-sectional view of the overall structure of the present utility model;

fig. 2 is a schematic diagram of the structure at a in fig. 1.

In the figure, 1, a cylinder, 2, a coarse powder discharging pipe, 3, a bucket-shaped baffle disc, 4, an ascending channel, 5, a motor I, 6, a rotating shaft I, 7, a fan blade, 8, a crushing blade, 9, a motor II, 10, a rotating shaft II, 11, a cage-type screening cylinder, 12, an air outlet pipe, 13, a first cyclone dust collector, 14, a middle fine powder discharging pipe, 15, a second cyclone dust collector, 16, a superfine powder discharging pipe, 17, a feed hopper, 18, a feed pipe, 19, a wind shielding cylinder, 20, a blanking channel, 21, a crushing mechanism, 21-1, a disc body, 22-2, a vertical rod, 22 and a middle coarse powder discharging pipe.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making any inventive effort based on the embodiments of the present utility model are within the scope of the present utility model.

In the description of the present utility model, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "inner", "outer", "top/bottom", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly, and include, for example, "connected to," whether fixedly connected to, detachably connected to, or integrally connected to, mechanically connected to, electrically connected to, directly connected to, indirectly connected to, and in communication with each other via an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Examples

As shown in fig. 1-2, in this embodiment, a classification efficient dynamic powder separator comprises a barrel 1, a coarse powder discharging pipe 2 is arranged at the bottom of the barrel 1, a bucket-shaped baffle plate 3 is arranged in the middle of the barrel 1, an ascending channel 4 is arranged between the bucket-shaped baffle plate 3 and the barrel 1, a middling discharging pipe 22 is arranged at the bottom of the bucket-shaped baffle plate 3, a motor I5 is vertically arranged at the lower part in the barrel 1, the output end of the motor I5 is connected with a rotating shaft I6, a fan blade 7 is arranged at the lower end of the rotating shaft I6, a crushing blade 8 is arranged at the upper end of the rotating shaft I6, a motor II 9 is arranged at the top end of the barrel 1, a rotating shaft II 10 is downwards arranged and connected with the output end of the motor II, a cage-shaped screening barrel 11 is arranged on the rotating shaft II, two air outlet pipes 12 are symmetrically arranged on the side walls of the upper part of the barrel 1, the other ends of the air outlet pipes 12 are connected with first cyclone dust collectors 13, the bottoms of the first cyclone dust collectors 13 are connected with middling discharging pipes 14, air outlets at the tops of the first cyclone dust collectors 13 are connected with second cyclone dust collectors 15 through pipelines, the air inlets 17 are connected with the second cyclone dust collectors 15, the air inlets 17 are connected with the other ends of the air inlets 17, and the air inlets 17 are connected with the outer sides of the feeding pipes 17, and the feeding pipes 17 are connected with the feeding pipes 18, and the feeding pipes are connected with the feeding pipes 18.

In order to ensure that a part of coarse powder is not influenced by the upward air flow in the falling process, in the embodiment, an air blocking cylinder 19 is arranged in the cylinder 1, the air blocking cylinder 19 is fixed between the bucket-shaped baffle disc 3 and the bottom of the cylinder 1 through a mounting bracket, and a blanking channel 20 is arranged between the air blocking cylinder 19 and the cylinder 1.

In order to prevent the powder from caking and affecting the powder selecting effect, in the embodiment, a crushing mechanism 21 is further arranged on the first rotating shaft 6, the crushing mechanism 21 comprises a disc body 21-1, a plurality of vertical rods 21-2 are uniformly distributed on the upper portion of the disc body 21-1, and the crushing mechanism 21 is positioned below the feeding pipe 18.

In order to prevent powder from accumulating on the tray 21-1, in this embodiment, the tray 21-1 has an inverted cone structure.

In order to improve the scattering and crushing effect of the blanking, in this embodiment, a plurality of edges are provided on the outer side of the vertical rod 21-2.

In the embodiment, a supporting frame is connected with the bottom of the cylinder body 1.

The working principle and the beneficial effects of the technical scheme are as follows:

When the cyclone dust collector is used, firstly, the motor I5 and the motor II 9 are opened, then powder to be screened is delivered into the feed hopper 17, after the raw materials are output from the lower end of the feed pipe 18, under the action of ascending air flow blown out by the fan I, a part of raw materials with smaller particles move upwards, a part of raw materials with larger particles and agglomerated raw materials move downwards under the action of gravity and collide with the crushing mechanism 21, the agglomerated raw materials are crushed after colliding with the crushing mechanism 21, the smaller particles move upwards, the larger particles continue to move downwards and finally are output from the coarse powder discharge pipe 2, firstly, the crushed leaves 8 collide with the raw materials, after further crushing, move upwards along the hopper-shaped baffle disc 3, some larger particles move upwards along with the smaller upward wind force, so as to enter the blanking channel 20, finally, the raw materials are output from the coarse powder discharge pipe 2, the other part of the raw materials enter the upper part of the hopper-shaped baffle disc 3, the raw materials fall into the hopper-shaped baffle disc 3 under the blocking action of the cage-shaped screening barrel 11, finally, the other part of the raw materials enter the cage-shaped screening barrel 11 and continue to move upwards, the first cyclone dust collector 13 and the second cyclone dust collector 16 enter the cyclone dust collector, and finally the fine powder collector 16 enter the cyclone dust collector and finally, and the fine powder collector 16 enter the cyclone dust collector and finally, the fine powder collector is output from the cyclone dust collector.

Compared with the prior art, the powder classifying device can classify the powder with four fineness, the screening is finer, the classifying effect is better, the subsequent reprocessing is more targeted, and the working efficiency is improved.

The above is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present utility model, and the technical solution and the improvement thereof are all covered by the protection scope of the present utility model.

Claims (6)

1. The utility model provides a hierarchical high-efficient dynamic powder concentrator, a serial communication port, including, barrel (1) bottom is provided with coarse powder discharging pipe (2), the middle part of barrel (1) is provided with bucket shape fender dish (3), be provided with ascending passageway (4) between bucket shape fender dish (3) and barrel (1), bucket shape fender dish (3) bottom is provided with middling discharging pipe (22), the vertical motor first (5) that is provided with in lower part in barrel (1), the output of motor first (5) is connected with pivot first (6), the lower extreme of pivot first (6) is provided with fan blade (7), the upper end of pivot is provided with crushing leaf (8), the top of barrel (1) is provided with motor second (9), the output of motor second (9) sets up and is connected with pivot second (10), be provided with cage type screening barrel (11) on pivot second (10), barrel (1) upper portion lateral wall equipartition is provided with a plurality of air-out pipe (12), the other end is connected with first cyclone (13), the bottom of first cyclone (13) is connected with in cyclone (14) and cyclone (15) is connected with the cyclone (15) of a plurality of fine dust collector, the top of cyclone (15) is connected with the cyclone (15) through the air inlet of a plurality of cyclone (16), the outside of the side wall of the barrel body (1) is provided with a feed hopper (17), the lower end of the feed hopper (17) is connected with a feed pipe (18), and the other end of the feed pipe (18) is communicated to the upper part of the fan blade (7).

2. The grading high-efficiency dynamic powder concentrator according to claim 1, wherein a wind shielding cylinder (19) is arranged in the cylinder (1), the wind shielding cylinder (19) is fixed between the bucket-shaped baffle disc (3) and the bottom of the cylinder (1) through a mounting bracket, and a blanking channel (20) is arranged between the wind shielding cylinder (19) and the cylinder (1).

3. The grading high-efficiency dynamic powder concentrator according to claim 1, wherein the first rotating shaft (6) is further provided with a crushing mechanism (21), the crushing mechanism (21) comprises a disc body (21-1), a plurality of vertical rods (21-2) are uniformly distributed on the upper portion of the disc body (21-1), and the crushing mechanism (21) is located below the feeding pipe (18).

4. A classification and high efficiency dynamic powder concentrator as claimed in claim 3, wherein the disc (21-1) is of inverted conical configuration.

5. A classification efficient dynamic powder concentrator according to claim 3, characterized in that the outside of the vertical rod (21-2) is provided with a number of edges.

6. The grading high-efficiency dynamic powder concentrator according to claim 1, wherein a supporting frame is arranged at the bottom of the cylinder (1) in a connecting manner.