CN117839790A - Device and method for crushing and screening powder - Google Patents
Device and method for crushing and screening powder Download PDFInfo
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- CN117839790A CN117839790A CN202410263128.0A CN202410263128A CN117839790A CN 117839790 A CN117839790 A CN 117839790A CN 202410263128 A CN202410263128 A CN 202410263128A CN 117839790 A CN117839790 A CN 117839790A
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- pressing plate
- powder
- crushing
- screening
- crushed
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- 239000000843 powder Substances 0.000 title claims abstract description 67
- 238000012216 screening Methods 0.000 title claims abstract description 46
- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000003825 pressing Methods 0.000 claims abstract description 63
- 239000000463 material Substances 0.000 claims abstract description 16
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 238000007873 sieving Methods 0.000 claims description 9
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 4
- 239000004744 fabric Substances 0.000 claims 2
- 238000001125 extrusion Methods 0.000 abstract description 4
- 238000002360 preparation method Methods 0.000 abstract description 3
- 239000012535 impurity Substances 0.000 description 8
- 238000007789 sealing Methods 0.000 description 6
- 239000002245 particle Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 230000003044 adaptive effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 238000000815 Acheson method Methods 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000006004 Quartz sand Substances 0.000 description 1
- 229910021431 alpha silicon carbide Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
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- Disintegrating Or Milling (AREA)
Abstract
The invention discloses a device and a method for crushing and screening powder, which relate to the technical field of preparation of silicon carbide powder and comprise the following steps: the powder crushing device comprises a frame body, a base, an upper pressing plate, a lower pressing plate, a telescopic device and a screening device, wherein the upper pressing plate is made of the same material as powder to be crushed; the lower pressing plate is made of the same material as the powder to be crushed, and is correspondingly arranged below the upper pressing plate, and the top of the lower pressing plate is used for placing the powder to be crushed; the fixed end of the telescopic device is fixedly connected with the frame body, the movable end of the telescopic device is fixedly connected with the upper pressing plate, and the upper pressing plate can be driven to be close to or far away from the lower pressing plate; the screening plant sets up on the base, and screening plant is located the below of holding down plate week side in order to receive and screen the powder after top board and holding down plate extrusion crushing, can practice thrift the cost, raise the efficiency.
Description
Technical Field
The invention relates to the technical field of preparation of silicon carbide powder, in particular to a device and a method for crushing and screening powder.
Background
Typical representative of the traditional carbothermic reduction method in the preparation of silicon carbide powder is the Acheson method, which is to heat a mixture of quartz sand and coke to about 2500 ℃ in a resistance furnace to cause chemical reaction, reduce silicon dioxide by carbon to prepare alpha-SiC, in the production application, the prepared silicon carbide powder is subjected to adaptive crushing, in the crushing process, impurities are introduced, the crushing equipment is damaged, the crushed powder is subjected to impurity removal in order to ensure the purity of the finished product in industrial production, and the powder synthesis cost is increased intangibly; on the other hand, the traditional crusher has higher material requirements on mechanical equipment when crushing powder with higher hardness, the crushing cost is increased, and the crushed powder cannot be subjected to particle size screening in a traditional crushing mode.
Disclosure of Invention
The invention aims to provide a device and a method for crushing and screening powder, which are used for solving the problems in the prior art and can save cost and improve efficiency.
In order to achieve the above object, the present invention provides the following solutions:
the invention provides a device for crushing and screening powder, which comprises: the powder crushing device comprises a frame body, a base, an upper pressing plate, a lower pressing plate, a telescopic device and a screening device, wherein the upper pressing plate is made of the same material as powder to be crushed; the lower pressing plate is made of the same material as the powder to be crushed, is correspondingly arranged below the upper pressing plate, and is used for placing the powder to be crushed at the top; the fixed end of the telescopic device is fixedly connected with the frame body, the movable end of the telescopic device is fixedly connected with the upper pressing plate, and the upper pressing plate can be driven to be close to or far away from the lower pressing plate; the screening device is arranged on the base, and is positioned below the periphery of the lower pressing plate to receive and screen the crushed powder extruded by the upper pressing plate and the lower pressing plate.
Preferably, the telescopic device comprises a power system and a telescopic arm, the telescopic arm is fixedly connected with the lower pressing plate, the power system is fixedly connected with the frame body, and the power system is used for driving the telescopic arm to ascend or descend;
preferably, the power system is a cylinder, and the cylinder comprises an air inlet, an air inlet valve, an air outlet and an air outlet valve.
Preferably, the air inlet valve is further provided with a first control button and a second control button, the first control button and the second control button are fixedly arranged on the frame body, the first control button is used for being connected with the air inlet valve through signals to open or close the air inlet valve, and the second control button is connected with the air outlet valve through signals to open or close the air outlet valve.
Preferably, the device further comprises a sealing box body, wherein the sealing box body is fixedly connected to the top of the screening device, the bottom of the sealing box body is communicated with the screening device, the upper pressing plate and the lower pressing plate are arranged in the sealing box body, and the telescopic arm penetrates through the top plate of the sealing box body.
Preferably, the sealed box further comprises at least one observation window, and the observation window is arranged on the side wall of the sealed box body.
Preferably, the device further comprises an upper flange and a lower flange, wherein the upper flange is used for connecting the upper pressing plate with the telescopic arm, and the lower flange is used for connecting the lower pressing plate with the base.
Preferably, the upper pressing plate and the lower pressing plate are made of silicon carbide materials.
Preferably, the screening device is a screen frame, the screen frame is positioned on an automatic screen frame, screens with various specifications are arranged in the automatic screen frame, and the mesh number of the screens from top to bottom is sequentially increased.
The invention also provides a method for using the device for crushing and screening powder, which comprises the following steps:
placing the powder to be crushed on the lower pressing plate, controlling the telescopic device to drive the lower pressing plate to move downwards to crush the powder to be crushed, and extruding crushed split bodies into the screening device for screening.
Compared with the prior art, the invention has the following technical effects:
the invention provides a device and a method for crushing and screening powder, wherein an air expansion device is utilized to drive an upper pressing plate to ascend and descend, the upper pressing plate and a lower pressing plate which are made of the same material as the powder are used for extrusion crushing and forming of the powder, the extruded powder is screened in real time, the effects of crushing the powder and distinguishing different particle sizes in real time are achieved, impurities are prevented from being mixed in the crushing process, the cost of separating the impurities in the later stage is reduced, the cost is saved, and crushed split bodies can be screened in real time through a screening device, so that the efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a device for crushing and sieving powder according to the present invention;
in the figure: 1. a frame body; 2. a base; 3. an upper press plate; 4. a lower pressing plate; 5. a cylinder; 7. an air inlet valve; 9. an air outlet valve; 10. a telescoping arm; 11. a first control button; 12. a second control button; 13. sealing the box body; 14. an observation window; 15. an upper flange; 16. a lower flange; 17. a screen frame.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention aims to provide a device and a method for crushing and screening powder, which are used for solving the problems in the prior art and can save cost and improve efficiency.
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
Example 1
The embodiment provides a device for crushing and screening powder, as shown in fig. 1, including: the powder crushing device comprises a frame body 1, a base 2, an upper pressing plate 3, a lower pressing plate 4, a telescopic device and a screening device, wherein the upper pressing plate 3 is made of the same material as powder to be crushed; the lower pressing plate 4 is made of the same material as the powder to be crushed, the lower pressing plate 4 is correspondingly arranged below the upper pressing plate 3, and the top of the lower pressing plate 4 is used for placing the powder to be crushed; the fixed end of the telescopic device is fixedly connected with the frame body 1, the movable end of the telescopic device is fixedly connected with the upper pressing plate 3, and the upper pressing plate 3 can be driven to be close to or far away from the lower pressing plate 4; the screening plant sets up on base 2, and screening plant is located the below of holding down plate week side in order to receive and screen the broken powder of holding down plate 3 and holding down plate 4 extrusion, this device utilizes the gas telescoping device to drive the rising and the decline of holding down plate 3, use the holding down plate 3 and holding down plate 4 the same with the powder material to extrude broken shaping, and carry out real-time screening to the powder after the extrusion finishes, reach the effect that broken and different particle diameters of powder distinguish in real time, can avoid mixing into impurity at broken in-process, reduce the cost of later stage separation impurity, thereby can practice thrift the cost, thereby can carry out real-time screening to the components of a whole that can function independently of broken through screening plant and raise the efficiency.
In a preferred scheme of this embodiment, the telescoping device includes driving system and flexible arm 10, flexible arm 10 and holding down plate 4 fixed connection, and driving system fixed connection is in support body 1, and driving system is used for driving flexible arm 10 to rise or descend, simple structure, convenient operation to the particle size of powder size is controlled through the rise and the decline of control flexible arm 10.
In a preferred scheme of this embodiment, the driving system is the cylinder 5, and the cylinder 5 includes air inlet, air inlet valve 7, gas outlet and gas outlet valve 9, simple structure, convenient operation, the convenience of material selection.
In a preferred scheme of this embodiment, the device for crushing and sieving powder further includes a first control button 11 and a second control button 12, the first control button 11 and the second control button 12 are fixedly arranged on the frame 1, the first control button 11 is used for being connected with the air inlet valve 7 in a signal manner to open or close the air inlet valve 7, the second control button 12 is connected with the air outlet valve 9 in a signal manner to open or close the air outlet valve 9, and the operation is convenient, and the upper pressing plate 3 can be lifted or lowered by operating the first control button 11 and the second control button 12.
In a preferred scheme of this embodiment, the device for crushing and screening powder still includes sealed box 13, and sealed box 13 fixed connection is in screening plant's top, and sealed box 13's bottom and screening plant intercommunication, top board 3 and holding down plate 4 set up in sealed box 13, and flexible arm 10 passes sealed box 13's roof, and sealed box 13 can prevent powder to splash out screening plant's reception range at the swage in-process.
In a preferred scheme of this embodiment, the device for crushing and screening powder also includes at least one observation window 14, and the observation window 14 is arranged on the lateral wall of the sealed box 13, so as to facilitate observation of real-time conditions in the pressing process.
In a preferred scheme of this embodiment, the device for crushing and screening powder still includes upper flange 15 and lower flange 16, and upper flange 15 is used for being connected upper clamp plate 3 and flexible arm 10, and lower flange 16 is used for being connected lower clamp plate 4 and base 2, simple structure, convenient change.
In a preferred scheme of this embodiment, the upper platen 3 and the lower platen 4 are made of silicon carbide material, and in the production application, the prepared silicon carbide powder is often subjected to adaptive crushing, and in the crushing process, the upper platen 3 and the lower platen 4 made of silicon carbide material can avoid introducing impurities, avoid removing impurities from the crushed powder, and reduce the powder synthesis cost intangibly.
In a preferred scheme of the embodiment, the screening device is a screen frame 17, the screen frame 17 is positioned on the automatic screen frame 17, screens with various specifications are arranged in the automatic screen frame 17, the mesh number of the screens from top to bottom is sequentially increased, and the effects of crushing powder and distinguishing different particle sizes in real time are achieved.
Example 2
The invention also provides a method for using the device for crushing and screening the powder, which comprises the following steps:
powder to be crushed is placed on the lower pressing plate 4, the telescopic arm 10 is controlled by the air cylinder 5 to drive the lower pressing plate 4 to move downwards to crush the powder to be crushed, and crushed components are extruded into the screening device to be screened.
The principles and embodiments of the present invention have been described in detail with reference to specific examples, which are provided to facilitate understanding of the method and core ideas of the present invention; also, it is within the scope of the present invention to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the invention.
Claims (10)
1. A device for powder is broken and screening, its characterized in that: comprising the following steps:
the frame body is provided with a plurality of grooves,
a base, a base seat and a base seat,
the upper pressing plate is made of the same material as the powder to be crushed;
the lower pressing plate is made of the same material as the powder to be crushed, is correspondingly arranged below the upper pressing plate, and is used for placing the powder to be crushed at the top;
the fixed end of the telescopic device is fixedly connected with the frame body, the movable end of the telescopic device is fixedly connected with the upper pressing plate, and the upper pressing plate can be driven to be close to or far away from the lower pressing plate; and
the screening device is arranged on the base, and is positioned below the periphery of the lower pressing plate to receive and screen the powder extruded and crushed by the upper pressing plate and the lower pressing plate.
2. The apparatus for crushing and sieving powder according to claim 1, wherein: the telescopic device comprises a power system and a telescopic arm, wherein the telescopic arm is fixedly connected with the lower pressing plate, the power system is fixedly connected with the frame body, and the power system is used for driving the telescopic arm to ascend or descend.
3. The apparatus for crushing and sieving powder according to claim 2, wherein: the power system is a cylinder, and the cylinder comprises an air inlet, an air inlet valve, an air outlet and an air outlet valve.
4. A device for crushing and screening of powders according to claim 3, characterized in that: the air inlet valve is connected with the air outlet valve through a signal, and the air outlet valve is connected with the air outlet valve through a signal.
5. The apparatus for crushing and sieving powder according to claim 2, wherein: still include the seal box, seal box fixed connection in screening plant's top, just the bottom of seal box with screening plant communicates, the top board with the holding down plate set up in the seal box, flexible arm passes the roof of seal box.
6. The apparatus for crushing and sieving powder as claimed in claim 5, wherein: the device also comprises at least one observation window, wherein the observation window is arranged on the side wall of the sealed box body.
7. The apparatus for crushing and sieving powder according to claim 2, wherein: the telescopic arm is characterized by further comprising an upper flange and a lower flange, wherein the upper flange is used for connecting the upper pressing plate with the telescopic arm, and the lower flange is used for connecting the lower pressing plate with the base.
8. The apparatus for crushing and sieving powder according to claim 1, wherein: the upper pressing plate and the lower pressing plate are made of silicon carbide materials.
9. The apparatus for crushing and sieving powder according to claim 1, wherein: the screening device is a screen frame, the screen frame is located to be automatic, be provided with the screen cloth of multiple specification in the automatic screen frame, the mesh number of screen cloth from top to bottom increases in proper order.
10. A method of using the apparatus for powder crushing and screening according to any one of claims 1 to 9, characterized in that: the method comprises the following steps:
placing the powder to be crushed on the lower pressing plate, controlling the telescopic device to drive the lower pressing plate to move downwards to crush the powder to be crushed, and extruding crushed split bodies into the screening device for real-time screening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410263128.0A CN117839790A (en) | 2024-03-08 | 2024-03-08 | Device and method for crushing and screening powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410263128.0A CN117839790A (en) | 2024-03-08 | 2024-03-08 | Device and method for crushing and screening powder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117839790A true CN117839790A (en) | 2024-04-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410263128.0A Pending CN117839790A (en) | 2024-03-08 | 2024-03-08 | Device and method for crushing and screening powder |
Country Status (1)
| Country | Link |
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| CN (1) | CN117839790A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101410184A (en) * | 2006-03-30 | 2009-04-15 | 瓦克化学股份公司 | Device and method for comminuting coarsely crushed polycrystalline silicon |
| CN102718489A (en) * | 2012-05-25 | 2012-10-10 | 新疆豫丰光伏材料科技有限公司 | Hammer of hammer crusher special for production of silicon carbide |
| CN209205493U (en) * | 2018-12-14 | 2019-08-06 | 沈阳长信碳化硅微粉有限公司 | High quality crusher based on ceramic |
| CN212651864U (en) * | 2020-06-19 | 2021-03-05 | 广州沃力机械设备有限公司 | Make sand machine of wearing parts is conveniently observed and changed |
| CN217341666U (en) * | 2021-10-11 | 2022-09-02 | 山东普发新材料科技有限公司 | Reducing mechanism is used in carborundum semiconductor production |
| CN217962846U (en) * | 2022-06-01 | 2022-12-06 | 鹤壁市银河分析仪器化工有限公司 | Jaw crushing feeding pre-crushing device |
| CN218872297U (en) * | 2021-04-22 | 2023-04-18 | 山西烁科晶体有限公司 | High-purity carborundum powder breaker that no metallic impurity introduced |
| CN219502833U (en) * | 2023-03-01 | 2023-08-11 | 辽宁利尔镁质合成材料股份有限公司 | Hammer crusher |
| CN116689069A (en) * | 2023-06-21 | 2023-09-05 | 江苏超芯星半导体有限公司 | Metal pollution-free silicon carbide synthetic material block crushing device |
| CN220345967U (en) * | 2023-07-11 | 2024-01-16 | 河南双钻新材料科技有限公司 | Splash breaker is prevented to diamond |
-
2024
- 2024-03-08 CN CN202410263128.0A patent/CN117839790A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101410184A (en) * | 2006-03-30 | 2009-04-15 | 瓦克化学股份公司 | Device and method for comminuting coarsely crushed polycrystalline silicon |
| US20090114748A1 (en) * | 2006-03-30 | 2009-05-07 | Wacker Chemie Ag | Device and method for comminuting coarsely crushed polycrystalline silicon |
| CN102718489A (en) * | 2012-05-25 | 2012-10-10 | 新疆豫丰光伏材料科技有限公司 | Hammer of hammer crusher special for production of silicon carbide |
| CN209205493U (en) * | 2018-12-14 | 2019-08-06 | 沈阳长信碳化硅微粉有限公司 | High quality crusher based on ceramic |
| CN212651864U (en) * | 2020-06-19 | 2021-03-05 | 广州沃力机械设备有限公司 | Make sand machine of wearing parts is conveniently observed and changed |
| CN218872297U (en) * | 2021-04-22 | 2023-04-18 | 山西烁科晶体有限公司 | High-purity carborundum powder breaker that no metallic impurity introduced |
| CN217341666U (en) * | 2021-10-11 | 2022-09-02 | 山东普发新材料科技有限公司 | Reducing mechanism is used in carborundum semiconductor production |
| CN217962846U (en) * | 2022-06-01 | 2022-12-06 | 鹤壁市银河分析仪器化工有限公司 | Jaw crushing feeding pre-crushing device |
| CN219502833U (en) * | 2023-03-01 | 2023-08-11 | 辽宁利尔镁质合成材料股份有限公司 | Hammer crusher |
| CN116689069A (en) * | 2023-06-21 | 2023-09-05 | 江苏超芯星半导体有限公司 | Metal pollution-free silicon carbide synthetic material block crushing device |
| CN220345967U (en) * | 2023-07-11 | 2024-01-16 | 河南双钻新材料科技有限公司 | Splash breaker is prevented to diamond |
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