CN109351458B - Vertical pulverizer with multiple classifying units - Google Patents
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- CN109351458B CN109351458B CN201811450078.8A CN201811450078A CN109351458B CN 109351458 B CN109351458 B CN 109351458B CN 201811450078 A CN201811450078 A CN 201811450078A CN 109351458 B CN109351458 B CN 109351458B
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- 239000000463 material Substances 0.000 abstract description 29
- 238000012545 processing Methods 0.000 abstract description 9
- 238000005192 partition Methods 0.000 description 9
- 238000012216 screening Methods 0.000 description 7
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Abstract
The invention relates to the technical field of material crushing and classifying processing, in particular to a vertical crusher with multiple classifying units, which comprises a crusher body, a crushing mechanism, a rotary driving mechanism and a classifying mechanism, wherein the crushing mechanism is arranged in an inner cavity of the crusher body, the rotary driving mechanism is used for driving the crushing mechanism to rotate, the classifying mechanism is arranged on a top cover of the crusher body, the classifying mechanism comprises multiple classifying units and multiple discharging pipes, the multiple discharging pipes are uniformly distributed on the top cover of the crusher body and are respectively and hermetically connected with the multiple discharging holes, the classifying units are arranged at the positions of the discharging holes, the classifying units comprise a driving motor and classifying wheels, the driving motor is positioned right above the classifying wheels, a power output shaft of the driving motor passes through the discharging pipes and is fixedly connected with the classifying wheels, and the classifying wheels are positioned below the discharging holes. The invention has the advantages of high grading efficiency of the powder and high fineness precision of the produced powder.
Description
Technical Field
The invention relates to the technical field of material crushing and classifying processing, in particular to a vertical crusher with multiple classifying units.
Background
At present, the pulverizer is used for processing materials with higher hardness, such as barite, wollastonite, quartz, feldspar and the like, and the Mohs hardness of the materials is generally about 5.5 level, so that the materials are harder and difficult to grind. The processing raw materials of the pulverizer drop to a pulverizing mechanism (ring roller mill or impact mill) from a feed inlet, are pulverized by a hammer head or along a grinding wheel, and then reach a classifier under the driving of air flow, so that powder is screened.
In a material processing pulverizer, a classifier is a very critical structure for preparing ultrafine powder, and powder with specific particle size distribution can be processed through the classifier. With the progress of technology, the particle size and particle size distribution of the powder in each industry gradually develop to be finer and narrower, so that the classification equipment has higher performance requirements.
Most of traditional crushers are single grading units, and along with the improvement of powder demand, equipment is enlarged, meanwhile, the diameter of a single grading wheel is continuously increased, the rotation speed is relatively difficult to improve, and high-yield, high-efficiency and high-precision production of superfine powder cannot be met. Therefore, manufacturers at home and abroad develop a horizontal multi-head classifier based on the above problems. However, as the horizontal multi-head classifier is used for a long time, the force of the classifying wheels of the horizontal multi-head classifier is unbalanced, the material is unevenly acted by air flow, the air flow among the classifying wheels is mutually interfered, and the problem of adverse effect on the classifying efficiency and the classifying effect of the powder is gradually highlighted.
Disclosure of Invention
Therefore, it is necessary to provide a vertical pulverizer with multiple classifying units to solve the problems of unbalanced stress of classifying wheels, low production efficiency and low precision of the pulverizer in the prior art.
In order to achieve the above object, the present inventors provide a vertical pulverizer with multiple classification units, the vertical pulverizer includes a machine body, a pulverizing mechanism, a rotary driving mechanism and a classification mechanism, the pulverizing mechanism is disposed in an inner cavity of the machine body, the rotary driving mechanism is used for driving the pulverizing mechanism to rotate, the classification mechanism is disposed on a top cover of the machine body, the classification mechanism includes multiple classification units and multiple discharging pipes, multiple discharging holes are uniformly distributed on the top cover of the machine body, the multiple discharging pipes are respectively and hermetically connected with the multiple discharging holes, the classification units are disposed at the discharging holes, the classification units include a driving motor and a classification wheel, the driving motor is located right above the classification wheel, a power output shaft of the driving motor passes through the discharging pipes and is fixedly connected with the classification wheel, the classification wheel is located below the discharging holes, powder is alternately discharged to the discharging holes, and the classification wheel is located above the pulverizing mechanism.
As a preferable structure of the invention, the machine body comprises a base, a classifying cylinder and a crushing cylinder, wherein the crushing cylinder is arranged on the base, the classifying cylinder is positioned above the crushing cylinder, the discharge port is arranged on a top cover of the classifying cylinder, the classifying wheel is positioned in an inner cavity of the classifying cylinder, and the crushing mechanism is positioned in the inner cavity of the crushing cylinder.
As a preferable structure of the invention, the vertical crusher further comprises a flow guiding mechanism, the flow guiding mechanism is arranged in the classifying cylinder, the top end of the flow guiding mechanism is fixedly connected with the top cover of the classifying cylinder, and the classifying wheel of the classifying unit is positioned between the side wall of the classifying cylinder and the flow guiding mechanism.
As a preferable structure of the invention, the diversion mechanism is a diversion cone, the diversion cone is arranged at the center of the top cover of the machine body, and the larger end of the diversion cone is fixedly connected with the top cover of the classifying cylinder.
As a preferable structure of the invention, the vertical crusher further comprises a diversion cone, the diversion cone is arranged in the crushing cylinder, the diversion cone is positioned below the diversion mechanism, the diversion cone is of a hollow structure, and a larger opening of the diversion cone is close to the diversion mechanism.
As a preferable structure of the invention, the vertical crusher further comprises a feeding mechanism, wherein the feeding mechanism is a spiral feeding assembly, the spiral feeding assembly comprises a hopper and a spiral feeder, the spiral feeder is communicated with the bottom of the hopper, and a feeding port of the spiral feeder is communicated with an inner cavity of the split cone through the side wall of the split cone.
As a preferable structure of the present invention, the classifying cylinder is detachably connected to the pulverizing cylinder.
As a preferable configuration of the present invention, the vertical crusher further includes partition plates provided between adjacent ones of the classifying wheels, the partition plates dividing the classifying tube into a plurality of classifying chambers.
As a preferable structure of the invention, the vertical crusher further comprises a collecting pipe, wherein the collecting pipe is arranged at the center of the top cover of the crusher body, and the discharging pipe orifices of the discharging pipes are communicated with the collecting pipe.
As a preferable structure of the invention, the crushing mechanism is a ring roller mill, a vertical mill or an impact mill.
Compared with the prior art, the technical scheme has the following advantages: the invention relates to a vertical crusher with multiple classifying units, wherein a plurality of classifying units and a plurality of discharging pipes are arranged in the crusher, materials enter a crusher body, the materials are crushed into powder by a crushing mechanism, the powder moves to classifying wheels of the classifying units under the driving of air flow, a driving motor of each classifying unit drives the classifying wheels to rotate, the powder is subjected to fineness screening, and the powder with the fineness meeting the requirement passes through the classifying wheels and passes through a discharging hole on a top cover of the crusher body and is discharged through the discharging pipes. The invention sets the classifying units into a vertical structure, the force is more uniform and stable when the driving motor drives the classifying wheel to rotate, the classifying wheel is uniformly and symmetrically acted by material air flow, the mechanical failure rate is low, the classifying precision and classifying efficiency of powder can be improved, a plurality of classifying units are used for replacing the single classifying unit structure of the traditional large-diameter classifying wheel, the rotating speed of the small-diameter classifying wheel of the multi-classifying unit can be improved while the high yield of the pulverizer is ensured, so that the classifying precision of the powder of the device is improved, and in addition, the device can control the classifying wheel to have different rotating speeds through the driving motor, so that the powder with various fineness can be selected and collected simultaneously.
Drawings
FIG. 1 is a schematic perspective view of an embodiment of a vertical pulverizer with multiple classification units according to the present invention;
FIG. 2 is a schematic top view of an embodiment of a vertical pulverizer with multiple classification units according to the present invention;
FIG. 3 is a schematic perspective view of a classifying mechanism in a vertical pulverizer with multiple classifying units according to the present invention;
FIG. 4 is a schematic top view of a classification mechanism in a vertical pulverizer with multiple classification units according to the invention;
FIG. 5 is a schematic perspective view of a classifying mechanism in a vertical pulverizer with multiple classifying units according to the present invention;
FIG. 6 is a schematic bottom view of a classification mechanism in a vertical pulverizer with multiple classification units according to the invention;
FIG. 7 is a schematic view in partial cross-section along direction D-D in FIG. 6;
FIG. 8 is a schematic perspective view of another embodiment of a classification mechanism in a vertical pulverizer with multiple classification units according to the invention;
fig. 9 is a top view of another embodiment of a classification mechanism in a vertical pulverizer with multiple classification units according to the invention.
Reference numerals illustrate:
100. A body;
110. a base; 111. An air inlet;
120. A classifying cylinder; 121. A discharge port;
130. a crushing cylinder; 131. An access cover;
200; a rotary driving mechanism; 210. a rotary drive motor;
300. A classification mechanism;
310. a classifying unit; 311. a driving motor; 312. a classification wheel; 313. a bearing seat;
320. A discharge pipe;
400. a diversion mechanism;
500. a split cone;
600. A screw feed assembly; 610. a hopper; 620. a screw feeder;
700. A partition plate;
800. A classifying chamber;
900. And a collecting pipe.
Detailed Description
In order to describe the technical content, constructional features, achieved objects and effects of the technical solution in detail, the following description is made in connection with the specific embodiments in conjunction with the accompanying drawings.
Referring to fig. 1 and 9, the present invention provides a vertical pulverizer with multiple classification units, where the vertical pulverizer includes a machine body 100, a pulverizing mechanism (not shown), a rotary driving mechanism 200 and a classification mechanism 300, where the pulverizing mechanism is disposed in an inner cavity of the machine body 100, the rotary driving mechanism 200 is used to drive the pulverizing mechanism to rotate, the classification mechanism 300 is disposed on a top cover of the machine body 100, the classification mechanism 300 includes multiple classification units 310 and multiple discharge pipes 320, multiple discharge holes 121 are uniformly distributed on the top cover of the machine body 100, the multiple discharge pipes 320 are respectively connected with the multiple discharge holes 121 in a sealing manner, the classification units 310 are disposed at the discharge holes 121, the classification units 310 include a driving motor 311 and a classification wheel 312, the driving motor 311 is located right above the classification wheel 312, a power output shaft of the driving motor 311 is fixedly connected with the classification wheel 312 through the discharge pipes 320, the classification wheel 312 is located below the discharge holes 121, and the powder flows to the discharge holes 121 via the classification wheel 312, and the classification wheel 312 is located above the pulverizing mechanism. The vertical crusher is used for crushing and processing hard materials to obtain powder meeting the fineness requirement, wherein the hard materials comprise barite, wollastonite, quartz and the like. The vertical crusher can be suitable for production work of powder fineness of different specifications, and preferably, the vertical crusher is used for producing ultrafine powder, and has higher processing efficiency and high product precision. In the field of material crushing, powder with 2500-3000 mesh size may be named superfine powder. The vertical crusher comprises a crusher body 100, a crushing mechanism, a rotary driving mechanism 200 and a classifying mechanism 300, wherein the crusher body 100 is used as a main body structure of the crusher and is used for bearing and installing the crushing mechanism, the classifying mechanism 300, a feeding mechanism and other constituent structures. The crushing mechanism is specifically used as a crushing structure of materials, and the materials are impacted and crushed or ground and crushed into powder. The rotary driving mechanism 200 is used for driving the crushing mechanism to rotate, so that impact or grinding of materials is realized. Specifically, the rotary driving mechanism 200 includes a rotary driving motor 210, a rotating shaft and a transmission mechanism, where the rotary driving motor 210 drives the rotating shaft to rotate through the transmission mechanism, and further drives the crushing mechanism sleeved on the rotating shaft to rotate. The classifying mechanism 300 is used for screening whether the powder after the hard material is crushed is qualified, the qualified powder is discharged into a powder finished product through a gap of the classifying wheel 312 via the discharge hole 121, and the powder with insufficient fineness is hit by the classifying wheel 312 and falls onto the crushing mechanism again for continuous crushing.
As shown in fig. 3 to 9, in particular, the classifying mechanism 300 includes a plurality of classifying units 310 and a plurality of discharge pipes 320. The classifying unit 310 specifically serves as a powder screening and classifying mechanism 300 in the device, specifically, the classifying unit 310 includes a driving motor 311 and a classifying wheel 312, and the driving motor 311 serves as a power supply mechanism of the classifying unit 310 to drive the classifying wheel 312 to rotate; the classifying wheel 312 is used for screening the fineness of the powder, the rotating speed of the classifying wheel 312 is controlled by the driving motor 311, the powder with different fineness can be screened, and the higher the rotating speed of the classifying wheel 312 is, the higher the fineness of the powder can be through the classifying wheel 312. The discharge port 121 is not only used as a qualified powder discharge port, but also is a mounting hole of the grading unit 310, the driving motor 311 is arranged above the discharge port 121, and a power output shaft of the driving motor 311 sequentially passes through the discharge pipe 320 and the discharge port 121 and is fixed with the grading wheel 312 arranged in the machine body 100. Preferably, the driving motor 311 is a variable frequency motor, and the variable frequency motor has simple speed regulation and is relatively energy-saving. The discharge pipe 320 is used as a discharge structure of each classification unit 310 and is used for conveying the powder screened by the classification wheel 312 to the outside of the device for collection.
In actual use, the operator starts the driving motor 311 of the rotary driving mechanism 200 to drive the crushing mechanism to rotate, meanwhile, the material to be crushed is added into the crushing cavity of the vertical crusher, and starts the driving motor 311 to drive the classifying wheel 312 to rotate, so that the hard material falls down to the crushing mechanism and is crushed into powder, preferably, a wind energy supply device such as a blower is arranged outside the crusher, air is introduced into the inner cavity of the crusher 100 through the air inlet 111 arranged on the crusher 100, then the crushed powder of the hard material moves to the classifying wheel 312 of each classifying unit 310 under the driving of the air, each classifying wheel 312 performs fineness screening classification, the powder meeting the fineness screening requirement of the classifying wheel 312 passes through the discharging hole 121 on the top cover of the crusher 100 and the discharging pipe 320 in sealing connection with the discharging hole 121 sequentially, and the powder not meeting the fineness requirement of the classifying wheel 312 is thrown down and is crushed again through the crushing mechanism of the crusher. In the embodiment shown in fig. 1 to 4, when the rotation speeds of the driving motors 311 drive the classifying wheels 312 are consistent, the fineness of the powder screened by the classifying wheels 312 is consistent, and at this time, the powder can be collected by a plurality of discharging pipes 320 and enter the collecting device respectively, and can also be arranged in an additional collecting pipe 900, and the discharging pipe 320 openings of the plurality of discharging pipes 320 are communicated with the collecting pipe 900, so that qualified powder enters the collecting pipe 900 to be collected uniformly, the pipeline layout is simplified, and the device can be used for classifying the powder with the same fineness, and has high classifying efficiency and high powder yield. In the embodiment shown in fig. 8 and 9, when the rotation speeds of the classifying wheels 312 of the classifying units 310 driven by the driving motor 311 are not completely consistent, the vertical pulverizer of the invention can be used for powder with different fineness specifications, and the universality of the device is stronger due to different fineness specifications of the powder of the classifying wheels 312 with different rotation speeds; preferably, the discharging pipe 320 is a discharging bent pipe, and the opening of the discharging pipe 320 of the discharging bent pipe faces the direction away from the classifying barrel 120, so that the opening of the discharging pipe 320 faces different directions respectively, and the discharging pipe is convenient to be matched with a collecting pipeline outside the equipment. In addition, the crushing mechanism of the vertical crusher is provided with a plurality of independently working classifying units 310, so that the operation of other classifying units 310 is not influenced even when one or some classifying units 310 are damaged and cannot normally work, and the device has stronger practicability. In addition, in the scheme, the grading unit 310 is of a vertical structure, so that the stress is uniform and stable when the driving motor 311 drives the grading wheel 312 to rotate, the material airflow acts uniformly and symmetrically, the mechanical failure rate is low, the grading precision of powder is high, and the efficiency is high, so that the powder production efficiency and the production precision of the pulverizer are further improved.
Referring to fig. 1, as a preferred embodiment of the present invention, the machine body 100 includes a base 110, a classifying cylinder 120 and a pulverizing cylinder 130, the pulverizing cylinder 130 is disposed on the base 110, the classifying cylinder 120 is located above the pulverizing cylinder 130, the discharge port 121 is formed on a top cover of the classifying cylinder 120, the classifying wheel 312 is located in an inner cavity of the classifying cylinder 120, and the pulverizing mechanism is located in an inner cavity of the pulverizing cylinder 130. Preferably, the base 110 is made of stainless steel, the base 110 is often in contact with the ground, rust and corrosion are easy to occur due to humidity, and the stainless steel is hard and corrosion-resistant, so that the problem can be well solved. Specifically, the air inlet 111 may be formed on the base 110, and the air inlet 111 is communicated with the pulverizing cavity in the pulverizing cylinder 130, and is used for introducing air into the pulverizing cavity. The classifying cylinder 120 is provided with a classifying cavity, and the pulverizing mechanism sends the powder after the material is pulverized into the classifying cavity, and the material is screened in the classifying cavity. In some preferred embodiments, the classifying cylinder 120 is detachably connected to the pulverizing cylinder 130, and the classifying mechanism 300 can be easily disassembled for maintenance or replacement. Preferably, the crushing cylinder 130 is further provided with an access hole, the access hole is used for overhauling and maintaining the crushing mechanism, the access hole is provided with an access cover 131, and the access hole is required to be sealed when the crusher performs crushing work.
Referring to fig. 1, 5,6 and 7, the vertical pulverizer further includes a guiding mechanism 400, the guiding mechanism 400 is disposed in the classifying cylinder 120, the top end of the guiding mechanism 400 is fixedly connected to the top cover of the classifying cylinder 120, and the classifying wheel 312 of the classifying unit 310 is located between the sidewall of the classifying cylinder 120 and the guiding mechanism 400. The guiding mechanism 400 is used for guiding the powder which is not screened by the classifying wheel 312 of the classifying unit 310 to flow, on one hand, the unqualified powder is guided to the crushing mechanism to facilitate the crushing mechanism to crush the powder further, so that the powder meets the processing requirement of operators, on the other hand, the powder movement blocking effect can be achieved to a certain extent, and the unqualified powder is prevented from being rapidly moved to the classifying wheel 312 of the other classifying unit 310 to be screened, so that unnecessary repeated screening is performed. The top end of the flow guiding mechanism 400 is fixedly connected with the top cover of the classifying cylinder 120, so that powder is prevented from entering the flow guiding mechanism 400. Specifically, the flow guiding mechanism 400 may be a flow guiding cylinder or a flow guiding cone. Preferably, the guiding mechanism 400 is a guiding cone, the guiding cone is disposed at the center of the classifying cylinder 120, and the larger end of the guiding cone is fixedly connected with the top cover of the classifying cylinder 120. The guide cone is arranged at the center of the classifying cavity of the classifying cylinder 120, so that the intermediate guide of unqualified powder with the fineness is facilitated, and the unqualified powder can be better guided to a crushing mechanism of the crusher to be crushed again, so that the processing and classifying efficiency of the qualified powder is further improved.
In the embodiment shown in fig. 1, the vertical pulverizer further includes a diversion cone 500, where the diversion cone 500 is disposed in the pulverizing cylinder 130, and the diversion cone 500 is located below the diversion mechanism 400, and the diversion cone 500 is of a hollow structure, and a larger opening of the diversion cone 500 is close to the diversion mechanism 400. The flow splitting cone 500 mainly plays a role in splitting powder, and prevents air flow from influencing falling off unqualified powder. Specifically, the powder that is unqualified at the position where the powder moves to the classifying unit 310 is beaten down by the classifying wheel 312 and falls down onto the pulverizing mechanism again, while the powder pulverized by the pulverizing mechanism moves towards the classifying unit 310 above along with the airflow continuously, if the powder that is unqualified and rises along with the airflow is not separated by the split cone 500, the rising gas will affect the falling of the unqualified powder, and the design of the split cone 500 solves the above problem to a great extent.
Referring to fig. 1, as a preferred embodiment of the present invention, the vertical crusher further comprises a feeding mechanism, the feeding mechanism is a screw feeding assembly 600, the screw feeding assembly 600 comprises a hopper 610 and a screw feeder 620, the screw feeder 620 is communicated with the bottom of the hopper 610, and a feeding port of the screw feeder 620 is communicated with the inner cavity of the split cone 500 through the side wall of the split cone 500. The material is conveyed by the screw feeder 620, and the feeding is uniform and efficient. In this embodiment, the feeding port of the screw feeder 620 extends into the diverter cone 500, and the material fed by the screw feeder 620 directly falls onto the pulverizing mechanism from the diverter cone 500, so that the influence of air flow on the discharging when the material directly falls onto the pulverizing mechanism can be prevented. Preferably, the crushing mechanism is a ring roller mill, a vertical mill or an impact mill, the ring roller mill is used for crushing materials through grinding, the impact mill is used for crushing the materials through impact generated by rotating a hammer head through a crushing disc, the improvement of the crushing mechanism is not involved in the invention, and the used crushing mechanism is an existing component, so that other existing mechanisms which can be used for crushing the materials can be used for the vertical crusher.
In the embodiment shown in fig. 3 to 9, the vertical crusher further includes a partition plate 700, and each partition plate 700 is disposed between adjacent ones of the classifying wheels 312, and the partition plate 700 divides the classifying cylinder 120 into a plurality of classifying chambers 800. In this embodiment, the partition plate 700 divides the classifying cavity of the classifying cylinder 120 into a plurality of relatively independent classifying chambers 800, and the classifying wheels 312 of the classifying units 310 are respectively located in different classifying chambers 800, so that each classifying unit 310 can completely work independently of the other, the airflows generated by rotation and stirring of each classifying wheel 312 do not interfere with each other, and the classifying efficiency of the powder is higher. In a specific embodiment, when the flow guiding mechanism 400 is disposed in the classifying cylinder 120, the partition plate 700 cooperates with the flow guiding mechanism 400 to divide the classifying cavity of the classifying cylinder 120 into the independent classifying chambers 800. In another embodiment, when the flow guide mechanism 400 is not provided in the classifying cylinder 120, the classifying cylinder 120 is divided into a plurality of independent classifying chambers 800 by the plurality of partition plates 700 cooperating with each other.
In some specific embodiments, the classifying unit 310 further includes a bearing block 313, the bearing block 313 is fixed on the classifying cylinder 120, and the power output shaft of the driving motor 311 is fixedly connected with the classifying wheel 312 through the bearing block 313. The provision of the bearing housing 313 facilitates a better seal between the classifying wheel 312 and the top cover of the classifying cylinder 120 so that powder must pass through the classifying wheel 312 before passing through the discharge port 121. Preferably, an annular chute is disposed on the lower end surface of the bearing block 313, and the classifying wheel 312 is partially disposed in the annular chute and can rotate along the annular chute, so that the classifying wheel 312 rotates more stably.
It should be noted that, although the foregoing embodiments have been described herein, the scope of the present invention is not limited thereby. Therefore, based on the innovative concepts of the present invention, alterations and modifications to the embodiments described herein, or equivalent structures or equivalent flow transformations made by the present description and drawings, apply the above technical solutions directly or indirectly to other relevant technical fields, all of which are included in the scope of protection of the present patent.
Claims (6)
1. The vertical crusher is characterized by comprising a crusher body, a crushing mechanism, a rotary driving mechanism and a grading mechanism, wherein the crushing mechanism is arranged in an inner cavity of the crusher body, the rotary driving mechanism is used for driving the crushing mechanism to rotate, the grading mechanism is arranged on a top cover of the crusher body and comprises a plurality of grading units and a plurality of discharging pipes, the plurality of discharging pipes are uniformly distributed on the top cover of the crusher body and are respectively and hermetically connected with the plurality of discharging pipes, the grading units are arranged at the positions of the discharging holes, each grading unit comprises a driving motor and a grading wheel, the driving motor is positioned right above the grading wheel, a power output shaft of the driving motor penetrates through the discharging pipes and is fixedly connected with the grading wheel, the grading wheel is positioned below the discharging holes, powder is discharged to the discharging holes through grading, and the grading wheel is positioned above the crushing mechanism;
the machine body comprises a base, a classifying cylinder and a crushing cylinder, wherein the crushing cylinder is arranged on the base, and the classifying cylinder is positioned above the crushing cylinder;
The vertical crusher further comprises a flow guiding mechanism, the flow guiding mechanism is arranged in the classifying cylinder, the top end of the flow guiding mechanism is fixedly connected with the top cover of the classifying cylinder, and a classifying wheel of the classifying unit is positioned between the side wall of the classifying cylinder and the flow guiding mechanism;
the guide mechanism is a guide cone, the guide cone is arranged at the center of the top cover of the machine body, and the larger end of the guide cone is fixedly connected with the top cover of the classifying cylinder;
The vertical crusher further comprises separation plates, the separation plates are arranged between every two adjacent classification wheels, and the separation plates divide the classification cylinder into a plurality of classification chambers.
2. The vertical pulverizer with multiple classification units according to claim 1, wherein the discharge port is formed in a top cover of the classification cylinder, the classification wheel is located in an inner cavity of the classification cylinder, and the pulverizing mechanism is located in the inner cavity of the pulverizing cylinder;
The vertical crusher further comprises a collecting pipe, the collecting pipe is arranged at the center of the top cover of the crusher body, and discharging pipe orifices of the discharging pipes are communicated with the collecting pipe.
3. The vertical crusher with multiple classifying units according to claim 1, further comprising a flow dividing cone, wherein the flow dividing cone is arranged in the crushing cylinder and is positioned below the flow guiding mechanism, the flow dividing cone is of a hollow structure, and a larger opening of the flow dividing cone is close to the flow guiding mechanism.
4. A vertical mill having multiple classification units according to claim 3, further comprising a feed mechanism, the feed mechanism being a screw feed assembly comprising a hopper and a screw feeder, the screw feeder being in communication with the bottom of the hopper, the feed inlet of the screw feeder being in communication with the diverter cone cavity through the side wall of the diverter cone.
5. The vertical shredder with multiple classification unit according to claim 1, wherein the classification drum is removably connected to the shredder drum.
6. The vertical pulverizer of claim 1, wherein the pulverizing mechanism is a ring roller mill, a vertical mill, or an impact mill.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811450078.8A CN109351458B (en) | 2018-11-30 | Vertical pulverizer with multiple classifying units |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811450078.8A CN109351458B (en) | 2018-11-30 | Vertical pulverizer with multiple classifying units |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109351458A CN109351458A (en) | 2019-02-19 |
| CN109351458B true CN109351458B (en) | 2024-05-31 |
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