CN214320426U - a crushing device - Google Patents
a crushing device Download PDFInfo
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- CN214320426U CN214320426U CN202022786670.4U CN202022786670U CN214320426U CN 214320426 U CN214320426 U CN 214320426U CN 202022786670 U CN202022786670 U CN 202022786670U CN 214320426 U CN214320426 U CN 214320426U
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- pulverizer
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Abstract
本实用新型提供了一种粉碎设备，包括依次相连通的立式粉碎机、气流分级机构和引风机；所述立式粉碎机包括粉碎机壳体，粉碎机上盖、用于支撑所述粉碎机壳体的固定支架、上传动系统和下传动系统；所述上传动系统包括与所述粉碎机上盖垂直设置的上传动主轴，所述上传动主轴的伸入所述粉碎机壳体的一端套设有上分料转盘；所述下传动系统包括与所述粉碎机下盖垂直设置的下传动主轴，所述下传动主轴的伸入所述粉碎机壳体的一端套设有下分料转盘。本实用新型中的立式粉碎机中两部分的物料运动方向相反，能加大物料之间的撞击强度，提高粉碎细度和效率。
The utility model provides a pulverizing device, which comprises a vertical pulverizer, an airflow classification mechanism and an induced draft fan that are connected in sequence; the vertical pulverizer comprises a pulverizer shell, and a pulverizer upper cover for supporting the pulverizer The fixed bracket of the casing, the upper transmission system and the lower transmission system; the upper transmission system includes an upper transmission main shaft vertically arranged with the upper cover of the pulverizer, and one end of the upper transmission main shaft extending into the pulverizer casing is sleeved An upper material distribution turntable is provided; the lower transmission system includes a lower transmission main shaft vertically arranged with the lower cover of the pulverizer, and a lower material distribution turntable is sleeved at one end of the lower transmission main shaft extending into the pulverizer shell . In the vertical pulverizer of the utility model, the moving directions of the two parts of the materials are opposite, which can increase the impact strength between the materials and improve the fineness and efficiency of pulverization.
Description
Technical Field
The utility model belongs to the technical field of the powder preparation, especially, relate to a crushing apparatus.
Background
The iron-silicon-aluminum soft magnetic alloy particles with the particle size of 2-10mm are continuously crushed into powder with the particle size of less than 0.1mm, at present, a large roller ball mill, a horizontal ball mill or an improved vertical wet ball mill which is mostly used for crushing ores is adopted, the first two ball mills are used for achieving the purpose of crushing by driving steel balls in a cylinder to move through the rotation of the cylinder, nitrogen can be used as protective atmosphere for ensuring that the powder is not oxidized, but the roller ball mill cannot arrange a cooling jacket outside the cylinder, continuous production can not be easily caused due to overhigh temperature during ball milling crushing, and the ball milling process has the disadvantages of high noise, low production efficiency and high power consumption. The vertical wet ball mill adopts an organic solvent as a ball milling medium, overcomes the defects of the vertical wet ball mill, but consumes the organic solvent to increase the production cost, and causes air pollution after the organic solvent is volatilized in the ball milling process.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a crushing apparatus and preparation technology of alloy powder, the utility model provides a crushing apparatus low energy consumption, low noise and crushing efficient.
The utility model provides a crushing device, which comprises a vertical crusher, an air flow grading mechanism and an induced draft fan which are communicated in sequence;
the vertical crusher comprises a crusher shell, a crusher upper cover, a rack for supporting the crusher shell, an upper transmission system and a lower transmission system; the bottom of the shell of the pulverizer is provided with a conical material receiving barrel, and an outlet of the conical material receiving barrel is communicated with an inlet of the airflow grading mechanism;
the upper transmission system comprises an upper transmission main shaft which is perpendicular to the upper cover of the crusher, one end of the upper transmission main shaft, which extends into the crusher shell, is sleeved with an upper distribution turntable, and the top of the upper distribution turntable is a conical inclined plane;
the lower transmission system comprises a lower transmission main shaft, a lower material distribution rotary table is sleeved at one end, extending into the shell of the pulverizer, of the lower transmission main shaft, and the top of the lower material distribution rotary table is a conical inclined plane.
Preferably, one end of the upper transmission main shaft extending out of the crusher shell is connected with an upper transmission device and an upper motor;
one end of the lower transmission main shaft, which extends out of the shell of the pulverizer, is connected with a lower transmission device and a lower motor.
Preferably, the upper cover of the pulverizer is provided with a feed inlet, and the feed inlet is communicated with the feeding bin.
Preferably, the bottom of the upper cover of the pulverizer is provided with a wear-resistant lining plate.
Preferably, wear-resistant ribs distributed along the radial direction are arranged on the conical inclined plane at the top of the lower material distribution turntable.
Preferably, the air flow grading structure comprises a separator with a grading impeller and a bag-type dust collector which are communicated in sequence;
the feed opening of separator is connected with spiral material loading machine, spiral material loading machine is used for promoting the back reaction with unqualified granule vertical pulverizer.
The utility model provides a crushing device, which comprises a vertical crusher, an air flow grading mechanism and an induced draft fan which are communicated in sequence; the vertical crusher comprises a crusher shell, a crusher upper cover, a fixed support for supporting the crusher shell, an upper transmission system and a lower transmission system; the bottom of the shell of the pulverizer is provided with a conical material receiving barrel, and an outlet of the conical material receiving barrel is communicated with an inlet of the airflow grading mechanism; the upper transmission system comprises an upper transmission main shaft which is perpendicular to the upper cover of the crusher, one end of the upper transmission main shaft, which extends into the crusher shell, is sleeved with an upper distribution turntable, and the top of the upper distribution turntable is a conical inclined plane; the lower transmission system comprises a lower transmission main shaft which is perpendicular to the lower cover of the pulverizer, one end, extending into the pulverizer shell, of the lower transmission main shaft is sleeved with a lower material distribution turntable, and the top of the lower material distribution turntable is a conical inclined plane. The utility model provides a vertical pulverizer is provided with upper and lower two reverse rotation's branch charging trays, and the material thrown out by the upper distribution carousel falls along clockwise air current or anticlockwise air current, and the material thrown out by the lower distribution carousel at a high speed is thrown along anticlockwise air current or clockwise air current, and the material motion opposite direction of two parts can increase the impact strength between the material, improves crushing fineness and efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic structural view of the crushing apparatus of the present invention;
the device comprises a vertical crusher (a), an air flow grading mechanism (b), an induced draft fan (c), a separator (b1) with a grading impeller, a bag-type dust collector (b2) and a spiral feeding machine (b 3);
FIG. 2 is a schematic structural view of the vertical crusher of the present invention;
the automatic feeding device comprises a rack (1), an upper transmission device (2), an upper transmission main shaft (3), an upper motor (4), a crusher upper cover (5), a wear-resistant lining plate (6), a feeding hole (7), an upper distribution turntable (8), a crusher shell (9), a lower transmission device (10), a lower motor (11), a lower transmission main shaft (12), a lower distribution turntable (13), a fixed support (14), a feeding hole (15), a conical material receiving barrel (16) and a feeding bin (17);
fig. 3 is a top view of the middle fixing bracket of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a crushing device, which comprises a vertical crusher, an air flow grading mechanism and an induced draft fan which are communicated in sequence;
the vertical crusher comprises a crusher shell, a crusher upper cover, a fixed support for supporting the crusher shell, an upper transmission system and a lower transmission system; the bottom of the shell of the pulverizer is provided with a conical material receiving barrel, and an outlet of the conical material receiving barrel is communicated with an inlet of the airflow grading mechanism;
the upper transmission system comprises an upper transmission main shaft which is perpendicular to the upper cover of the crusher, one end of the upper transmission main shaft, which extends into the crusher shell, is sleeved with an upper distribution turntable, and the top of the upper distribution turntable is a conical inclined plane;
the lower transmission system comprises a lower transmission main shaft which is perpendicular to the lower cover of the pulverizer, one end, extending into the pulverizer shell, of the lower transmission main shaft is sleeved with a lower material distribution turntable, and the top of the lower material distribution turntable is a conical inclined plane.
The utility model discloses in "intercommunication" between two devices can be two devices direct intercommunication, also can be indirect intercommunication, the technical personnel in the field can increase between the device of two intercommunications and set up other devices promptly according to actual demand, be the state that two devices of this intercommunication formed "indirect intercommunication".
The utility model discloses in, vertical rubbing crusher includes rubbing crusher casing (9), rubbing crusher upper cover (5), is used for supporting rubbing crusher casing's fixed bolster (1), last transmission and lower transmission.
In the utility model, the center of the upper cover of the crusher is provided with a hole, and the upper transmission main shaft is vertically inserted into the hole, the upper cover of the crusher is fastened and connected with the fixed bracket by using a screw, the upper cover of the crusher and the crusher shell form a shell inner cavity, one end of the upper transmission main shaft extends into the shell inner cavity, and the one end is sleeved with an upper distributing turntable; the other end of the upper transmission main shaft extends out of the inner cavity of the shell, and one end of the upper transmission main shaft outside the inner cavity of the shell is connected with an upper transmission device and an upper motor which are used for providing power for the rotation of the upper transmission main shaft.
Preferably, the bottom of rubbing crusher upper cover is provided with wear-resisting welt, is used for preventing the granule wearing and tearing upper cover of throwing up, the utility model discloses will go up transmission, wear-resisting welt and the rubbing crusher upper cover uses the screw fastening.
The utility model discloses in, still be provided with a plurality of feed inlet on the rubbing crusher upper cover, be provided with the feeding storehouse on the feed inlet for put in and need kibbling material.
The utility model discloses in, the top of material carousel is divided to the top is the toper inclined plane.
The utility model discloses in, the bottom of rubbing crusher casing is provided with the fixed bolster, the fixed bolster is used for fixed underdrive system, underdrive system include with the underdrive main shaft that the fixed bolster set up perpendicularly, the income of underdrive main shaft a pot head in the casing inner chamber is equipped with down divides the material carousel, stretching out of underdrive main shaft the one end of casing inner chamber is connected with underdrive and lower motor, be used for doing the underdrive main shaft provides rotatory power.
The utility model discloses in, the screw fastening is used with the fixed bolster to lower transmission, and the screw fastening is used with the frame to the fixed bolster. The lower material distributing turntable is sleeved on the lower transmission main shaft and is fastened by screws, and the fixed support is provided with a material passing hole.
Preferably, the top of the lower material distribution turntable is a conical inclined plane, and wear-resistant ribs are preferably arranged on the conical inclined plane of the lower material distribution turntable so as to improve centrifugal acting force and crushing effect. Wear-resisting rib is followed conical surface generating line direction is radial setting promptly, the utility model discloses it is right the quantity of wear-resisting rib does not have special restriction, can select according to required crushing effect.
The utility model discloses in, the bottom of rubbing crusher casing is connected with toper receiving bucket, and the material after smashing passes through material mouth on the fixed bolster gets into inside the toper receiving bucket, through the bottom export of toper receiving bucket is carried to the air current grading mechanism.
The utility model provides an air current grading mechanism is including the separator and the sack cleaner that have hierarchical impeller that communicate in proper order, the bottom of separator is provided with the feed inlet, with the bottom export of toper receiving vessel is linked together, and simultaneously, the bottom of separator still is connected with spiral material loading machine, spiral material loading machine's export with vertical crusher's feed inlet is linked together for promote the transport back vertical crusher with unqualified material and smash once more.
The utility model discloses in, the sack cleaner with the draught fan is linked together, the draught fan be used for doing the air current grading mechanism provides negative pressure air current power. And the bottom outlet of the bag-type dust collector is a finished product discharge hole.
Based on above-mentioned crushing apparatus, the utility model also provides a preparation technology of alloy powder, including following step:
A) putting the alloy material into a vertical crusher of the crushing equipment, and reversely rotating an upper material distribution turntable and a lower material distribution turntable to crush the alloy material to obtain a primary crushed material;
B) and the primarily crushed materials enter an airflow grading mechanism for grading, and the materials with unqualified granularity are lifted by a spiral feeding machine and then return to the vertical crusher for crushing again until all the materials meet the granularity requirement.
The utility model discloses in, the preferred sendust magnetically soft alloy granule of alloy material, sendust magnetically soft alloy granule's particle diameter is preferred 2 ~ 10 mm.
The utility model discloses in, the preferred 5 ~ 50kg/min of feeding rate of alloy material is specific, in the embodiment of the utility model, can be 10 ~ 20kg/min, 15 ~ 25kg/min or 20 ~ 30 kg/min.
In the utility model, the rotating speed of the upper distributing material rotating disc is preferably 3500-6000 rpm, such as 3000-4500 rpm or 5000-5800 rpm;
the rotating speed of the lower distributing rotary disc is preferably 3500-6000 revolutions/min, such as 3000-4500 revolutions/min or 5000-5800 revolutions/min;
the upper distributing turntable and the lower distributing turntable in the utility model rotate in opposite directions, namely, when the upper distributing turntable rotates clockwise, the lower distributing turntable rotates anticlockwise; when the upper distributing turntable rotates anticlockwise, the lower distributing turntable rotates clockwise.
Specifically, the utility model provides a crushing apparatus work flow as follows:
alloy particle materials (with the particle size of about 2 mm) are fed from a feed inlet of crushing equipment, the feed inlet is positioned above the top surface of an upper distribution turntable, the materials entering from the feed inlet directly fall onto the upper distribution turntable rotating clockwise at 4000-6000 rpm, the top side of the upper distribution turntable is a conical inclined surface, the materials are thrown out by the upper distribution turntable at a high speed in the circumferential direction under the action of centrifugal force, the materials impact on a wear-resistant lining plate and then rebound on a crushing shell, then rebound on the lower distribution turntable, the lower distribution turntable rotates anticlockwise at 4000-6000 rpm, the top side of the lower distribution turntable is a conical inclined surface, the materials are thrown out by the lower turntable at a high speed in the inclined direction under the action of the inclined surface at the top side of the lower distribution turntable (a plurality of radial wear-resistant ribs (13-1) are distributed along the circumferential direction of the inclined surface at the top side of the lower distribution turntable), and the falling materials thrown out by the upper distribution turntable and the lower distribution turntable at a high speed are mutually and in a high speed in a crushing bin The materials are crushed into fine powder under the action of impact force, the mutual impact among the materials realizes the crushing to the particle size of less than 0.15mm, the materials thrown by the upper material-distributing turntable fall along a clockwise airflow, the materials thrown by the lower material-distributing turntable at high speed are thrown along an anticlockwise airflow, the moving directions of the materials of the two parts are opposite, the impact strength among the materials can be enhanced, and the crushing fineness and the crushing efficiency are improved.
Under the effect of draught fan, can form the negative pressure air current at the discharge gate of the material barrel is received to the toper, smash the material after smashing in the storehouse and pass the material mouth of crossing on the fixed bolster under the negative pressure air current effect, receive the discharge gate of material barrel from the toper and be the suction by the negative pressure, the material after smashing gets into and carries out the grading in the air current grading mechanism, the material that the granularity is up to standard just directly discharges the material, and the still great material of granularity then returns after spiral feeding machine promotes and carries and smashes the operation once more in the vertical crusher, so circulate, until whole materials reach the granularity requirement.
The discharge port of the conical material receiving cylinder is connected with the airflow grading mechanism, coarse powder with large particle size is blocked by the grading impeller under the action of gravity and then enters the discharge port of the airflow grading mechanism, the coarse powder is lifted by the spiral feeding machine and then returns to the vertical crusher, and fine powder with small particle size enters the finished product discharge port at the rear end of the airflow grading mechanism through the grading impeller to be collected.
The following examples all employ the crushing apparatus of the structure shown in FIGS. 1 to 3.
Example 1:
coarse particles of Fe-Si-Al soft magnetic alloy which are smaller than 10mm are put into a feeding bin (17).
The upper motor (4) and the lower motor (11) are started to lead the upper and lower material-distributing turntables to rotate reversely, and the rotating speed is 3500 and 6000 revolutions per minute.
And opening all the valves of the material inlet and the material outlet, and starting the spiral feeding machine (b3), the air flow grading mechanism and the induced draft fan.
The granular material is fed into the pulverizer from the feed inlet (7) at a flow rate of 10-20 kg/min.
Adjusting the frequency of the air flow grading mechanism to be 20-30Hz, and enabling fine powder with the particle size of less than 0.15mm (100 meshes) to enter a cloth bag collector (3) through a grading impeller of the separator and then enter a finished product discharge hole.
Meanwhile, coarse powder with the particle size larger than 0.15mm is returned to the feed inlet of the pulverizer by a spiral feeding machine for circulating pulverization.
The processing parameters and test data are shown in table 1:
table 1 parameters of the comminution process of example 1
Example 2
Coarse particles of Fe-Si-Al soft magnetic alloy which are smaller than 6mm are put into a feeding bin (17).
The upper motor (4) and the lower motor (11) are started to make the upper and lower material-separating turntables rotate reversely, and the rotating speed is 3000 plus 4500 rpm.
And opening all the valves of the material inlet and the material outlet, and starting the spiral feeding machine (b3), the air flow grading mechanism and the induced draft fan.
The particulate material is fed into the pulverizer at a flow rate of 15-25 kg/min from the feed inlet (7).
Adjusting the frequency of an air flow grading mechanism to 25-40Hz, and allowing fine powder with the particle size of less than 0.10mm (100 meshes) to enter a cloth bag collector (3) through a grading impeller of a separator and then enter a finished product discharge hole.
Meanwhile, coarse powder with the particle size larger than 0.1mm is returned to the feed inlet of the pulverizer by a spiral feeding machine for circulating pulverization.
The processing parameters and test data are shown in table 2:
table 2 parameters of the comminution process of example 2
Example 3
Coarse particles of Fe-Si-Al soft magnetic alloy which are smaller than 2mm are put into a feeding bin (17).
The upper motor (4) and the lower motor (11) are started to make the upper and lower material distributing turntables rotate reversely, and the rotating speed is 5000-.
And opening all the valves of the material inlet and the material outlet, and starting the spiral feeding machine (b3), the air flow grading mechanism and the induced draft fan.
The particulate material is fed into the pulverizer at a flow rate of 20-30 kg/min from the feed inlet (7).
Adjusting the frequency of an air flow grading mechanism to be 30-50Hz, and enabling fine powder with the particle size of less than 0.075mm (100 meshes) to enter a cloth bag collector (3) through a grading impeller of a separator and then enter a finished product discharge hole.
Meanwhile, coarse powder with the particle size larger than 0.075mm is returned to the feed inlet of the pulverizer by the spiral feeding machine for circulating pulverization.
The processing parameters and test data are shown in table 3:
table 3 crushing process parameters of example 3
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022786670.4U CN214320426U (en) | 2020-11-26 | 2020-11-26 | a crushing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022786670.4U CN214320426U (en) | 2020-11-26 | 2020-11-26 | a crushing device |
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| Publication Number | Publication Date |
|---|---|
| CN214320426U true CN214320426U (en) | 2021-10-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022786670.4U Expired - Fee Related CN214320426U (en) | 2020-11-26 | 2020-11-26 | a crushing device |
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| Country | Link |
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| CN (1) | CN214320426U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112473960A (en) * | 2020-11-26 | 2021-03-12 | 成都慧磁电子材料有限公司 | Crushing equipment and preparation process of alloy powder |
| CN119633994A (en) * | 2024-12-16 | 2025-03-18 | 航天长征化学工程股份有限公司 | A device and method for pulverizing biomass materials |
-
2020
- 2020-11-26 CN CN202022786670.4U patent/CN214320426U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112473960A (en) * | 2020-11-26 | 2021-03-12 | 成都慧磁电子材料有限公司 | Crushing equipment and preparation process of alloy powder |
| CN119633994A (en) * | 2024-12-16 | 2025-03-18 | 航天长征化学工程股份有限公司 | A device and method for pulverizing biomass materials |
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