CN109529980B - Upstream processing system suitable for silicon material before furnace feeding - Google Patents
Upstream processing system suitable for silicon material before furnace feeding Download PDFInfo
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- CN109529980B CN109529980B CN201811367315.4A CN201811367315A CN109529980B CN 109529980 B CN109529980 B CN 109529980B CN 201811367315 A CN201811367315 A CN 201811367315A CN 109529980 B CN109529980 B CN 109529980B
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- silicon material
- driving wheel
- conveyor belt
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C1/00—Crushing or disintegrating by reciprocating members
- B02C1/005—Crushing or disintegrating by reciprocating members hydraulically or pneumatically operated
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/04—Cleaning by suction, with or without auxiliary action
Abstract
The invention discloses an upstream processing system suitable for a silicon material before feeding, which is used for extruding and crushing the silicon material accumulated on a gate valve by two crushing plates, driving a plurality of contact pins to move up and down simultaneously by a linear driving device, continuously damaging the silicon material and remarkably reducing the volume of the silicon material. The second driving wheel is also utilized, so that the silicon material cannot be conveyed in a straight state when passing through the second driving wheel, and the surface of one side of the silicon material, which is in contact with the conveying belt, can be adsorbed and dedusted; especially aiming at the small-particle silicon materials crushed by the crushing system, the sufficient working condition is provided for the rolling of the downward slope section, so that the problem that the upper surface of the silicon material can only be dedusted and the surfaces in other directions can not be dedusted in the prior art is solved, and the aim of simply and efficiently removing the dust attached to the surface of the silicon material in the silicon material conveying process is fulfilled.
Description
Technical Field
The invention relates to the field of industrial silicon, in particular to an upstream processing system suitable for a silicon material before being fed into a furnace.
Background
Industrial silicon, also known as metallic silicon, is a trade name appearing in the mid-sixties of this century. Metallic silicon is a product smelted by silica and a carbonaceous reducing agent in a submerged arc furnace, the content of a main component silicon element is about 98% (recently, the content of 99.99% of Si is also listed in metallic silicon), and the rest impurities are iron, aluminum, calcium and the like. The metal silicon can be classified into various specifications according to its use, and into different grades such as 553, 441, 411, 421, 3303, 3305, 2202, 2502, 1501, 1101 and the like according to the contents of iron, aluminum and calcium in the metal silicon. The additional products of the metal silicon comprise micro silicon powder, edge skin silicon, black skin silicon, metal silicon slag and the like, wherein the micro silicon powder is also called as silica fume, and the micro silicon powder is widely applied to the industries of refractory materials and concrete. Industrial silicon the silicon material smelted from the silicon material contains a large amount of fine impurities such as dust, which can affect the smelting purity of the industrial silicon. In the prior art, the dust removal is finished by simply filtering or the air blowing dust removal is carried out on the surface of the silicon material in the transmission process, and the dust removal modes have limited dust removal effect; and the silicon material among the prior art mostly uses the ball mill to refine, and this kind of mode can have better improvement to the circularity of silicon material, but is unfavorable for reducing silicon material volume fast, and crushing effect is limited.
Disclosure of Invention
The invention aims to provide an upstream processing system suitable for a silicon material before feeding, which aims to solve the problem of limited crushing and dust removing effects on the silicon material in the prior art, and realize the purposes of simply and efficiently crushing the silicon material and removing dust attached to the surface of the crushed silicon material.
The invention is realized by the following technical scheme:
the upstream processing system is suitable for the silicon material before being fed into a furnace and comprises a conveyor belt, wherein first driving wheels are arranged at two ends of the conveyor belt, a plurality of driven wheels are arranged between the two first driving wheels, the conveyor belt is wound on the first driving wheels and the driven wheels, and a crushing system and a dust removal system are sequentially arranged along the conveying direction of the conveyor belt;
the crushing system comprises a barrel body positioned right above the conveyor belt, a feeding opening is formed in the top of the barrel body, the bottom surface of the barrel body is open, a gate valve for closing the open end is arranged in the barrel body, and the crushing system also comprises two air cylinders positioned outside the barrel body, wherein the two air cylinders are respectively positioned on two opposite sides of the barrel body; the barrel body is internally provided with two crushing plates which are opposite to each other, the two crushing plates are respectively driven by two cylinders, the surfaces of the crushing plates are vertical to the output direction of the cylinders, and the bottom ends of the crushing plates are positioned on the upper surface of a gate valve; the device comprises a barrel body and a plurality of crushing plates, and is characterized by further comprising a linear driving device fixed on the top surface inside the barrel body, wherein the driving end of the linear driving device faces downwards, the driving end of the linear driving device is fixedly connected with a plurality of contact pins, and the contact pins point to the space between the two crushing plates;
the dust removal system comprises a second driving wheel positioned between the two first driving wheels, and the conveying belt is wound on the second driving wheel; the first driving wheel and the driven wheels are the same in size and equal in height, the second driving wheel is larger than the first driving wheel, the top point of the second driving wheel is higher than the top point of the first driving wheel, the bottom end of the second driving wheel is flush with the bottom end of the first driving wheel, and an inclined area is formed between the second driving wheel and the conveying belt between the adjacent driven wheels facing the conveying direction of the conveying belt; still include the casing, the relative both sides of casing set up the opening, the conveyer belt passes through two openings the casing, set up dust extraction outside the casing, shells inner wall sets up the horn mouth, and dust extraction's suction end passes casing and horn mouth intercommunication, and the opening end orientation of horn mouth the tilt zone.
Aiming at the problem of limited crushing and dust removing effects on silicon materials in the prior art, the invention provides an upstream processing system suitable for the silicon materials before feeding. The crushing system is arranged in the upstream direction of the dust removal system, firstly the silicon material is crushed by the crushing system, and then large and tiny residues are generated after crushing and are removed by the dust removal system. Specifically, keep the slide valve in the closed condition, add conventional silicon material from the charge door at crushing system's staving top, silicon material is piled up on the slide valve, and two crushing boards are close to each other through two cylinder drives this moment, because the bottom of crushing board is located the upper surface of slide valve, consequently extrudees the breakage by two crushing boards to piling up the silicon material on the slide valve, and the crushing board provides the extrusion force to silicon material. In addition, through linear drive device drive a plurality of contact pins and carry out the up-and-down motion simultaneously, the contact pin is in the continuous interpolation of accumulational silicon material, carries out continuous destruction to the silicon material, compares in the broken mode of ball mill among the prior art, and the volume size that reduces the silicon material that can show is favorable to melting fast in the smelting process. The dust pelletizing system is provided with a plurality of from driving wheel and a second action wheel including being located the second action wheel between two first action wheels, follows the same, the height of highly equal of driving wheel and first action wheel size, consequently plays the effect that provides transmission stability from the driving wheel. The second action wheel is bigger than the first action wheel, the top point of the second action wheel is higher than the top point of the first action wheel, the bottom end of the second action wheel is flush with the bottom end of the first action wheel, therefore, when the conveyor belt runs to the second action wheel from the top, the conveyor belt can be lifted up by the second action wheel, and the conveyor belt rises and then falls at first to form a slope structure. Consequently, the silicon material that is located on the conveyer belt also can be through the process that risees earlier afterwards to reduce, and the silicon material is in the in-process that descends through the ramp, because the slope in inclined area, under the action of gravity, can carry out the upset of small range or small-scale displacement on the conveyer belt, passes through the horn mouth by dust extraction and carries out the dust absorption to inclined area this moment, all siphons away the adnexed dust in silicon material surface. The shell is arranged to provide an installation station for the dust suction device and the horn mouth, the interior of the dust suction area can be relatively sealed, and interference and disturbance of external air flow to the dust suction process are reduced. Compared with the blowing dust removal mode in the prior art, the conveying belt is provided with the slope-shaped protruding structure by the second driving wheel, so that silicon materials cannot be conveyed in a straight state when passing through the second driving wheel, particularly for an inclined area, the silicon materials even slide or roll on the conveying belt rapidly, and in the process, the surface of one side, in contact with the conveying belt, of the silicon materials can be adsorbed and removed; especially, aiming at the small-particle silicon material crushed by the crushing system, a sufficient working condition is provided for the rolling of the downward slope section, so that the problem that the upper surface of the silicon material can only be dedusted and the surfaces in other directions can not be dedusted in the prior art is solved, the purpose of simply and efficiently removing the dust attached to the surface of the silicon material in the silicon material conveying process is realized, and compared with the prior art, the dedusting efficiency is remarkably improved.
Preferably, the conveyor belt is a belt.
Preferably, the opening end of the horn mouth is provided with a filter screen, and the mesh number of the filter screen is 30-70 meshes. The filter screen is used for filtering objects entering the horn mouth, so that the silicon material which is broken into fine particles when wind power is large is prevented from being sucked away to cause waste, and meanwhile, the filter screen can be used for ensuring that dust passes through the filter screen.
Preferably, the dust suction device is controlled by a control switch, and the control switch is fixed on the outer side wall of the shell.
Preferably, the shell is square, the dust suction device is fixed on the top surface outside the shell, and the bell mouth is fixed on the top surface inside the shell.
Preferably, the top point of the second driving wheel is 10-15 cm higher than the top point of the first driving wheel. The too large height difference can cause the too large gradient of the inclined area, and at the moment, silicon material feeding is difficult and the feeding efficiency is influenced; and when the height difference is too small, the displacement or rolling degree of the silicon material in the inclined area is not enough, and the dust removal effect on the lower surface of the silicon material is weakened. In the scheme, the height difference of 10-15 cm is the preferred scheme.
Preferably, the surface of one crushing plate facing the other crushing plate is uniformly distributed with a plurality of pointed cone-shaped bulges. The silicon material can be further crushed and refined by the two crushing plates through the pointed cone-shaped bulges when the silicon material is extruded by the two crushing plates, so that the silicon material is crushed by the bulges and the contact pins from two directions respectively, and the refining capability of the silicon material is further improved.
Preferably, the linear driving device is an electric push rod.
Preferably, a plurality of cams distributed along the conveying direction of the conveyor belt are arranged in the inclined area, and each cam is driven by a motor to rotate. Rotate simultaneously through a plurality of cam for the second action wheel is by the incessant jack-up of each cam with the nearest belt between the follow driving wheel along the direction of transfer of conveyer belt, makes the silicon material that passes through above by continuous jack-up and whereabouts, thereby increases the upset degree of silicon material, makes the adnexed dust in each surface of silicon material can both be sucked by dust extraction as far as, further improves dust absorption ability. The highest high position of cam pivoted in this scheme is preferably between the highest height that is located the second action wheel and the highest height of follow driving wheel.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1. the invention is suitable for an upstream processing system before silicon materials are fed into a furnace, the silicon materials accumulated on a gate valve are extruded and crushed by two crushing plates, and the crushing plates provide extrusion force for the silicon materials. In addition, through linear drive device drive a plurality of contact pins and carry out the up-and-down motion simultaneously, the contact pin is in the continuous interpolation of accumulational silicon material, carries out continuous destruction to the silicon material, compares in the broken mode of ball mill among the prior art, and the volume size that reduces the silicon material that can show is favorable to melting fast in the smelting process.
2. The silicon material conveying device is suitable for an upstream processing system before silicon materials are fed into a furnace, the second driving wheel is utilized to set the conveying belt into a hill-shaped protruding structure, so that the silicon materials cannot be conveyed in a straight state when passing through the second driving wheel, particularly for an inclined area, even can rapidly slide or roll on the conveying belt, and in the process, the surface of one side, in contact with the conveying belt, of the silicon materials can be adsorbed and dedusted; especially aiming at the small-particle silicon materials crushed by the crushing system, the sufficient working condition is provided for the rolling of the downward slope section, so that the problem that the upper surface of the silicon material can only be dedusted and the surfaces in other directions can not be dedusted in the prior art is solved, and the aim of simply and efficiently removing the dust attached to the surface of the silicon material in the silicon material conveying process is fulfilled.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a schematic structural diagram of the embodiment of the present invention during operation.
Reference numbers and corresponding part names in the drawings:
1-a conveying belt, 2-a first driving wheel, 3-a driven wheel, 4-a second driving wheel, 5-a shell, 6-an opening, 7-an inclined area, 8-a dust suction device, 9-a bell mouth, 10-a filter screen, 11-a control switch, 12-a barrel body, 13-a feeding port, 14-a gate valve, 15-an air cylinder, 16-a crushing plate, 17-a linear driving device, 18-a pin, 19-a cam and 20-a motor.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
Example 1:
the upstream processing system suitable for the silicon material before being fed into the furnace as shown in fig. 1 and fig. 2 comprises a conveyor belt 1, wherein first driving wheels 2 are arranged at two ends of the conveyor belt 1, a plurality of driven wheels 3 are arranged between the two first driving wheels 2, the conveyor belt 1 is wound on the first driving wheels 2 and the driven wheels 3, and a crushing system and a dust removal system are sequentially arranged along the conveying direction of the conveyor belt 1; the crushing system comprises a barrel body 12 positioned right above the conveyor belt 1, a feeding port 13 is arranged at the top of the barrel body 12, the bottom surface of the barrel body 12 is open, a gate valve 14 for closing the open end is arranged inside the barrel body 12, and the crushing system also comprises two air cylinders 15 positioned outside the barrel body 12, wherein the two air cylinders 15 are respectively positioned at two opposite sides of the barrel body 12; two crushing plates 16 which are opposite to each other are arranged in the barrel body 12, the two crushing plates 16 are respectively driven by two cylinders 15, the surfaces of the crushing plates 16 are vertical to the output direction of the cylinders 15, and the bottom ends of the crushing plates 16 are positioned on the upper surface of a gate valve 14; the crushing device further comprises a linear driving device 17 fixed on the inner top surface of the barrel body 12, wherein the driving end of the linear driving device 17 faces downwards, the driving end of the linear driving device 17 is fixedly connected with a plurality of contact pins 18, and the contact pins 18 point to the space between the two crushing plates 16; the dust removal system comprises a second driving wheel 4 positioned between the two first driving wheels 2, and the conveyor belt 1 is wound on the second driving wheel 4; the first driving wheel 2 and the driven wheels 3 are same in size and equal in height, the second driving wheel 4 is larger than the first driving wheel 2, the vertex of the second driving wheel 4 is higher than the vertex of the first driving wheel 2, the bottom end of the second driving wheel 4 is flush with the bottom end of the first driving wheel 2, and the second driving wheel 4 and the conveyor belt 1 between the adjacent driven wheels 3 facing the conveying direction of the conveyor belt 1 form an inclined area 7; still include casing 5, the relative both sides of casing 5 set up opening 6, conveyer belt 1 passes through two openings 6 casing 5, set up dust extraction 8 outside casing 5, the casing 5 inner wall sets up horn mouth 9, and dust extraction 8's suction end passes casing 5 and horn mouth 9 intercommunication, and the open end orientation of horn mouth 9 tilt zone 7.
Example 2:
in the upstream processing system before silicon material is fed into the furnace as shown in fig. 1 and fig. 2, on the basis of the embodiment 1, the conveyor belt 1 is a belt. The open end of the bell mouth 9 is provided with a filter screen 10, and the mesh number of the filter screen 10 is 50 meshes. The dust suction device 8 is controlled by a control switch 11, and the control switch 11 is fixed on the outer side wall of the shell 1. Casing 1 is square, and dust extraction 8 fixes at casing 1 outside top surface, and horn mouth 9 fixes at casing 1 inside top surface. The vertex of the second driving wheel 4 is 10-15 cm higher than the vertex of the first driving wheel 2. The surface of one breaker plate 16 facing the other breaker plate 16 is evenly distributed with a plurality of conical projections. The linear driving device 17 is an electric push rod. In the inclined area 7, a plurality of cams 19 are arranged, distributed in the conveying direction of the conveyor belt 1, each cam 19 being driven in rotation by a motor 20.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (9)
1. The upstream processing system is suitable for the silicon materials before being fed into a furnace, and comprises a conveyor belt (1), wherein first driving wheels (2) are arranged at two ends of the conveyor belt (1), a plurality of driven wheels (3) are arranged between the two first driving wheels (2), and the conveyor belt (1) is wound on the first driving wheels (2) and the driven wheels (3), and is characterized in that a crushing system and a dust removal system are sequentially arranged along the conveying direction of the conveyor belt (1);
the crushing system comprises a barrel body (12) positioned right above the conveyor belt (1), a feeding port (13) is arranged at the top of the barrel body (12), the bottom surface of the barrel body (12) is open, a gate valve (14) used for closing the open end is arranged inside the barrel body (12), and the crushing system also comprises two air cylinders (15) positioned outside the barrel body (12), wherein the two air cylinders (15) are respectively positioned at two opposite sides of the barrel body (12); two crushing plates (16) which are opposite to each other are arranged in the barrel body (12), the two crushing plates (16) are respectively driven by two cylinders (15), the surfaces of the crushing plates (16) are vertical to the output direction of the cylinders (15), and the bottom ends of the crushing plates (16) are positioned on the upper surface of a gate valve (14); the barrel is characterized by further comprising a linear driving device (17) fixed on the inner top surface of the barrel body (12), wherein the driving end of the linear driving device (17) faces downwards, the driving end of the linear driving device (17) is fixedly connected with a plurality of contact pins (18), and the contact pins (18) point to the space between the two crushing plates (16);
the dust removal system comprises a second driving wheel (4) positioned between the two first driving wheels (2), and the conveyor belt (1) is wound on the second driving wheel (4); the first driving wheel (2) and the driven wheels (3) are identical in size and height, the second driving wheel (4) is larger than the first driving wheel (2), the top point of the second driving wheel (4) is higher than the top point of the first driving wheel (2), the bottom end of the second driving wheel (4) is flush with the bottom end of the first driving wheel (2), and the second driving wheel (4) and the conveyor belt (1) between the adjacent driven wheels (3) facing the conveying direction of the conveyor belt (1) form an inclined area (7); the conveying belt is characterized by further comprising a shell (5), openings (6) are formed in two opposite sides of the shell (5), the conveying belt (1) penetrates through the shell (5) through the two openings (6), a dust suction device (8) is arranged outside the shell (5), a horn mouth (9) is formed in the inner wall of the shell (5), the suction end of the dust suction device (8) penetrates through the shell (5) to be communicated with the horn mouth (9), and the opening end of the horn mouth (9) faces the inclined area (7);
at the position of the second driving wheel, under the support of the position of the second driving wheel, the conveying surface of the conveying belt is firstly heightened and then lowered;
a plurality of cams (19) distributed along the conveying direction of the conveyor belt (1) are arranged in the inclined area (7).
2. The upstream processing system suitable for use before a silicon charge is charged into the furnace according to claim 1, characterized in that the conveyor belt (1) is a belt.
3. The upstream processing system suitable for the silicon material before being fed into the furnace is characterized in that a filter screen (10) is arranged at the open end of the bell mouth (9), and the mesh number of the filter screen (10) is 30-70 meshes.
4. The upstream processing system suitable for use before a silicon material is charged into the furnace according to claim 1, wherein the dust suction device (8) is controlled by a control switch (11), and the control switch (11) is fixed on the outer side wall of the shell (5).
5. The upstream processing system suitable for the silicon material before being charged into the furnace according to the claim 1, wherein the shell (5) is square, the dust suction device (8) is fixed on the external top surface of the shell (5), and the bell mouth (9) is fixed on the internal top surface of the shell (5).
6. The upstream processing system suitable for use before a silicon material is charged into the furnace according to claim 1, wherein the vertex of the second driving wheel (4) is 10-15 cm higher than the vertex of the first driving wheel (2).
7. The upstream processing system for silicon material before it is charged into the furnace according to claim 1, characterized in that the surface of one breaker plate (16) facing the direction of the other breaker plate (16) is uniformly distributed with a plurality of pointed conical projections.
8. An upstream processing system suitable for use before a silicon charge is charged into a furnace according to claim 1, characterized in that the linear drive means (17) is an electric push rod.
9. An upstream processing system, adapted to be used before a silicon charge is fed into a furnace, according to claim 1, characterized in that each cam (19) is driven in rotation by a motor (20).
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| CN201811367315.4A CN109529980B (en) | 2018-11-16 | 2018-11-16 | Upstream processing system suitable for silicon material before furnace feeding |
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| CN201811367315.4A CN109529980B (en) | 2018-11-16 | 2018-11-16 | Upstream processing system suitable for silicon material before furnace feeding |
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| CN109529980B true CN109529980B (en) | 2021-11-02 |
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| CN110882799B (en) * | 2019-12-05 | 2020-10-23 | 亚洲硅业(青海)股份有限公司 | Clean broken packaging system of silicon material |
| CN111687797A (en) * | 2020-06-22 | 2020-09-22 | 萍乡伊博智能科技有限公司 | A dust removal equipment platform for assembling electronic product |
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| CN206456877U (en) * | 2017-01-13 | 2017-09-01 | 安徽天美食品有限公司 | A kind of cleaning type conveyer belt processed for nut |
| CN207535306U (en) * | 2017-11-10 | 2018-06-26 | 西京学院 | A kind of 3D printing material recycling equipment |
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| FR2661117A1 (en) * | 1990-04-24 | 1991-10-25 | Commissariat Energie Atomique | METHOD FOR PROTECTING SURFACES AGAINST AMBIENT PARTICULATE CONTAMINATION USING BLOWING ELEMENTS. |
| CN106269710A (en) * | 2016-08-25 | 2017-01-04 | 滁州艾普机电科技有限公司 | A kind of refrigerator crushing production line conveying apparatus |
| CN206456877U (en) * | 2017-01-13 | 2017-09-01 | 安徽天美食品有限公司 | A kind of cleaning type conveyer belt processed for nut |
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