CN212418229U - Heating-freezing-sound wave combined silicon block crushing device - Google Patents
Heating-freezing-sound wave combined silicon block crushing device Download PDFInfo
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- CN212418229U CN212418229U CN202020357309.7U CN202020357309U CN212418229U CN 212418229 U CN212418229 U CN 212418229U CN 202020357309 U CN202020357309 U CN 202020357309U CN 212418229 U CN212418229 U CN 212418229U
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Abstract
The utility model discloses a heat-freezing-sound wave allies oneself with uses silicon briquette breaker. This breaker includes: a transmission device; the heating device comprises a heating area, a buffer area, a freezing area and a sound wave area, wherein the heating area, the buffer area, the freezing area and the sound wave area are sequentially arranged along the length direction of the transmission device, heating equipment and a feeding hole are arranged in the heating area, freezing equipment is arranged in the freezing area, and sound wave generating equipment and a discharging hole are arranged in the sound wave area. The crushing device is used for crushing the silicon blocks, and the brittleness of the silicon blocks is obviously improved through heating-freezing pretreatment. And then the pretreated silicon block enters an acoustic wave area and can be easily shattered under the action of acoustic wave radiation, so that the crushed material with uniform granularity is obtained. Therefore, the heating-freezing-sound wave combined silicon briquette crushing device is used for crushing silicon briquettes, the problem of secondary pollution in crushing treatment is effectively solved, manual crushing is not needed, and the device has the advantages of high crushing efficiency, low labor intensity, low equipment cost, long service life and the like.
Description
Technical Field
The utility model relates to a polycrystalline silicon production technical field, particularly, the utility model relates to a heating-freezing-sound wave allies oneself with silicon block breaker.
Background
In the polysilicon industry, silicon rods produced by reduction have compact tissues and high hardness and are difficult to break. Most of domestic and foreign manufacturers adopt the methods of mechanically crushing large silicon materials by hammer forging, jaw crushing and the like, and manually further crushing by using a hard alloy hammer. The method for crushing the silicon material by adopting the method has the following defects: (1) the hammer forging crushing, the jaw crushing and the hard alloy hammer crushing have large material loss, are easy to secondarily introduce metal impurities such as Fe and the like, and reduce the purity of the silicon material. (2) Because the silicon material has high hardness and great crushing difficulty, the manual crushing is used, the labor intensity is high, and the yield is low. (3) The crushing tool has a short service life, which causes production maintenance and cost increase.
In order to reduce secondary pollution of silicon materials, improve crushing efficiency, reduce production and maintenance costs and the like, manufacturers at home and abroad are improving the crushing of the silicon materials in recent years. Patent CN200820182364.6 proposes a polysilicon crushing table, wherein crushed polysilicon is laid on a crushing table, and the ingot is crushed by an air hammer. Patent 201721810171.6 proposes a free fall type silicon briquette crusher, which utilizes a breaking hammer lifting mechanism to lift a breaking hammer according to the characteristics of heat, hardness and brittleness of silicon briquettes, so as to crush the silicon briquettes by free fall, thereby realizing automatic crushing. However, all the above patents adopt a mechanical crushing method, and no pretreatment is carried out on the silicon material, so that the crushing inevitably introduces metal impurities such as Fe and the like during crushing to pollute the silicon material, and meanwhile, because the hardness of the silicon material is high, the service life of a crushing mechanism of the equipment is short, and the maintenance cost is increased. In summary, the existing silicon block crushing method still needs to be improved.
SUMMERY OF THE UTILITY MODEL
The present invention aims at solving at least one of the technical problems in the related art to a certain extent. Therefore, the utility model discloses an aim at propose heat-freezing-sound wave allies oneself with silicon block breaker. The crushing device can obviously improve the crushing efficiency of the silicon blocks, and has the advantages of no secondary pollution, low energy consumption, fast production and the like.
In one aspect of the present invention, the present invention provides a heat-freeze-sound wave combined silicon block crushing device. According to the utility model discloses an embodiment, this heating-freezing-sound wave allies oneself with uses silicon block breaker includes: a transmission device; the heating zone, buffer zone, freezing district and sound wave district, the heating zone, buffer zone, freezing district and sound wave district are followed transmission's length direction arranges in proper order, be equipped with firing equipment and feed inlet in the heating zone, be equipped with freezing equipment in the freezing district, be equipped with sound wave generating equipment and discharge gate in the sound wave district.
Adopt according to the utility model discloses above-mentioned embodiment's silicon briquette breaker carries out broken handle to the silicon briquette, and the silicon briquette is through the heating-freezing preliminary treatment in the zone of heating and freezing district, and the brittleness is showing and is promoting. And then the pretreated silicon block enters an acoustic wave area and can be easily shattered under the action of acoustic wave radiation, so that the crushed material with uniform granularity is obtained. Therefore, the heating-freezing-sound wave combined silicon briquette crushing device is used for crushing silicon briquettes, the problem of secondary pollution in crushing treatment is effectively solved, manual crushing is not needed, and the device has the advantages of high crushing efficiency, low labor intensity, low equipment cost, long service life and the like.
Optionally, the silicon block crushing device further comprises: the first isolation door is arranged between the heating area and the buffer area.
Optionally, the silicon block crushing device further comprises: a second isolation door disposed between the buffer zone and the freezer zone.
Optionally, the silicon block crushing device further comprises: a third isolation door disposed between the freezer zone and the sonic zone.
Optionally, the silicon block crushing device further comprises: and the speed control module is connected with the transmission device and is configured to control the transmission device to enable the retention time of the materials in the heating area to be 2-4 h and the retention time of the materials in the freezing area to be 15-30 min.
Optionally, the silicon block crushing device further comprises: the first temperature control module is connected with the heating equipment and is configured to control the heating equipment to enable the temperature of the heating area to be 600-700 ℃.
Optionally, the silicon block crushing device further comprises: and the second temperature control module is connected with the refrigeration equipment and is configured to control the refrigeration equipment to enable the temperature of the refrigeration area to be 0-30 ℃.
Optionally, the silicon block crushing device further comprises: the power control module is connected with the sound wave generating equipment and is configured to control the power of the sound wave generating equipment to be 5000-8000W.
Optionally, the acoustic wave generating device has a wrap around arrangement of transducers.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural diagram of a silicon briquette crushing device according to an embodiment of the present invention.
Reference numerals:
100: a transmission device;
210: a heating zone; 220: a buffer area; 230: a freezing zone; 240: a sound wave zone;
211: a feed inlet; 241: a discharge port;
310: a first isolation gate; 320: a second isolation gate; 330: and a third isolation gate.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In one aspect of the present invention, the present invention provides a heat-freeze-sound wave combined silicon block crushing device. Referring to fig. 1, according to an embodiment of the present invention, the heating-freezing-sound wave combined silicon block crushing apparatus includes: a transmission 100; the heating device comprises a heating area 210, a buffer area 220, a freezing area 230 and an acoustic area 240, wherein the heating area 210, the buffer area 220, the freezing area 230 and the acoustic area 240 are sequentially arranged along the length direction of the transmission device 100, a heating device (not shown in the drawing) and a feeding hole 211 are arranged in the heating area 210, a freezing device (not shown in the drawing) is arranged in the freezing area 220, and an acoustic wave generating device and a discharging hole 241 are arranged in the acoustic area 240.
The upstream silicon briquette product can be arranged in the non-metal basket and sent to the utility model discloses a silicon briquette breaker adopts according to the utility model discloses a silicon briquette breaker carries out broken handle to the silicon briquette, and the silicon briquette is through the heating-freezing preliminary treatment in the zone of heating and freezing district, and the fragility is showing and is promoting. And then the pretreated silicon block enters an acoustic wave area and can be easily shattered under the action of acoustic wave radiation, so that the crushed material with uniform granularity is obtained. Therefore, the heating-freezing-sound wave combined silicon briquette crushing device is used for crushing silicon briquettes, the problem of secondary pollution in crushing treatment is effectively solved, manual crushing is not needed, and the device has the advantages of high crushing efficiency, low labor intensity, low equipment cost, long service life and the like.
In addition, the inventor finds in research that if the pretreated silicon block is manually crushed after the heating-freezing process, the silicon material is inevitably polluted in the manual crushing process, and the purity of the silicon material cannot meet the requirement of electronic grade polycrystalline silicon on the purity of the silicon material. If the silicon material is directly subjected to sound wave crushing without being pretreated by a heating-freezing process, the silicon material is compact in material, high in crushing difficulty and high in requirements on the power and the strength of sound waves, so that the time required by sound wave crushing is too long, and the cost is too high. And the heating-freezing pretreatment process and the sound wave crushing process are combined, so that the production efficiency can be effectively improved, the production cost can be reduced, and the secondary pollution of manual operation to the silicon material can be avoided.
The silicon briquette crushing device according to the embodiment of the present invention is further described in detail below.
According to the embodiment of the present invention, the specific types of the transmission device, the heating device, the refrigerating device, and the sound wave generating device are not particularly limited, and common devices in the field may be used.
According to the utility model discloses an embodiment, the utility model discloses a heating-freezing-sound wave allies oneself with silicon briquette breaker further includes: a first isolation gate 310, a second isolation gate 320, and a third isolation gate 330. A first isolation gate 310 is provided between the heating zone 210 and the buffer zone 220. A second isolation door 320 is provided between the buffer zone 220 and the freezing zone 230. A third isolation door 330 is provided between the freezing zone 230 and the sonic zone 240. Therefore, the first to third isolation doors can be used for separating the regions of the crushing device, so that the temperature stability of the regions is ensured, the mutual influence of the temperatures among the regions is avoided, and the pretreatment effect and the crushing effect of the silicon material are further improved.
According to the utility model discloses an embodiment, the utility model discloses a heating-freezing-sound wave allies oneself with silicon briquette breaker further includes: and the speed control module (not shown in the drawing) is connected with the transmission device and is configured to control the transmission device to enable the retention time of the materials in the heating area to be 2-4 h and the retention time of the materials in the freezing area to be 15-30 min. Therefore, the brittleness of the silicon material obtained by the heating-freezing pretreatment can be further improved, and the crushed material with uniform granularity can be conveniently obtained by the subsequent sound wave treatment and crushing.
According to the utility model discloses an embodiment, the utility model discloses a heating-freezing-sound wave allies oneself with silicon briquette breaker further includes: a first temperature control module (not shown in the figures), which is connected with the heating device and is configured to control the heating device to enable the temperature of the heating area to be 600-700 ℃. Therefore, the brittleness of the silicon material obtained by the heating-freezing pretreatment can be further improved, and the crushed material with uniform granularity can be conveniently obtained by the subsequent sound wave treatment and crushing. In some embodiments, the heating device may be programmed to control the temperature of the heating zone to stabilize.
According to the utility model discloses an embodiment, the utility model discloses a heating-freezing-sound wave allies oneself with silicon briquette breaker further includes: and a second temperature control module (not shown in the drawing), which is connected with the refrigeration equipment and is configured to control the refrigeration equipment to enable the temperature of the refrigeration area to be 0-30 ℃. Therefore, the brittleness of the silicon material obtained by the heating-freezing pretreatment can be further improved, and the crushed material with uniform granularity can be conveniently obtained by the subsequent sound wave treatment and crushing.
According to the utility model discloses an embodiment, the utility model discloses a heating-freezing-sound wave allies oneself with silicon briquette breaker further includes: and a power control module (not shown in the drawing), which is connected with the sound wave generating device and is configured to control the power of the sound wave generating device to be 5000-8000W, such as 5000W, 6000W, 7000W, 8000W and the like. The silicon material obtained through heating-freezing pretreatment has high brittleness, can be crushed under relatively low sound wave power, and the granularity of the silicon material obtained through crushing is easy to control by controlling the power of sound wave generating equipment.
According to an embodiment of the present invention, the sound wave generating apparatus has a surround type arrangement of vibrators (not shown in the drawings). Therefore, the crushing uniformity of the silicon material can be further improved.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (9)
1. A silicon block crushing device is characterized by comprising:
a transmission device;
the heating zone, buffer zone, freezing district and sound wave district, the heating zone, buffer zone, freezing district and sound wave district are followed transmission's length direction arranges in proper order, be equipped with firing equipment and feed inlet in the heating zone, be equipped with freezing equipment in the freezing district, be equipped with sound wave generating equipment and discharge gate in the sound wave district.
2. The apparatus of claim 1, further comprising:
the first isolation door is arranged between the heating area and the buffer area.
3. The apparatus of claim 1, further comprising:
a second isolation door disposed between the buffer zone and the freezer zone.
4. The apparatus of claim 1, further comprising:
a third isolation door disposed between the freezer zone and the sonic zone.
5. The apparatus of claim 1, further comprising:
and the speed control module is connected with the transmission device and is configured to control the transmission device to enable the retention time of the materials in the heating area to be 2-4 h and the retention time of the materials in the freezing area to be 15-30 min.
6. The apparatus of claim 1, further comprising:
the first temperature control module is connected with the heating equipment and is configured to control the heating equipment to enable the temperature of the heating area to be 600-700 ℃.
7. The apparatus of claim 1, further comprising:
and the second temperature control module is connected with the refrigeration equipment and is configured to control the refrigeration equipment to enable the temperature of the refrigeration area to be 0-30 ℃.
8. The apparatus of claim 1, further comprising:
the power control module is connected with the sound wave generating equipment and is configured to control the power of the sound wave generating equipment to be 5000-8000W.
9. The apparatus of claim 1, wherein the sound generating device has a circumferential array of transducers.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020357309.7U CN212418229U (en) | 2020-03-19 | 2020-03-19 | Heating-freezing-sound wave combined silicon block crushing device |
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| CN202020357309.7U CN212418229U (en) | 2020-03-19 | 2020-03-19 | Heating-freezing-sound wave combined silicon block crushing device |
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| CN212418229U true CN212418229U (en) | 2021-01-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111468260A (en) * | 2020-03-19 | 2020-07-31 | 江苏鑫华半导体材料科技有限公司 | Heating-freezing-sound wave combined silicon block crushing device and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111468260A (en) * | 2020-03-19 | 2020-07-31 | 江苏鑫华半导体材料科技有限公司 | Heating-freezing-sound wave combined silicon block crushing device and method |
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Address after: 221004 No.66, Yangshan Road, Xuzhou Economic and Technological Development Zone, Jiangsu Province Patentee after: Jiangsu Xinhua Semiconductor Technology Co.,Ltd. Address before: 221004 No.66, Yangshan Road, Xuzhou Economic and Technological Development Zone, Jiangsu Province Patentee before: JIANGSU XINHUA SEMICONDUCTOR MATERIALS TECHNOLOGY CO.,LTD. |
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