CN211903594U - Automatic filtering and drying device for silicon dioxide - Google Patents
Automatic filtering and drying device for silicon dioxide Download PDFInfo
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- CN211903594U CN211903594U CN202020518851.6U CN202020518851U CN211903594U CN 211903594 U CN211903594 U CN 211903594U CN 202020518851 U CN202020518851 U CN 202020518851U CN 211903594 U CN211903594 U CN 211903594U
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Abstract
The utility model discloses an automatic filtering and drying device for silicon dioxide, which integrates drying, scattering and filtering, has various functions and simple structure, and the technical proposal is characterized in that the device comprises a box body with a cylindrical structure and a box cover arranged on the box body, wherein the box cover is provided with a feed inlet, the feed inlet is also provided with an automatic feeding mechanism, the bottom of the box body is provided with a discharge hole, the side wall of the box body is also provided with an air inlet pipe, the air inlet pipe is connected with a hot blast stove, the box cover is provided with an exhaust hole, the box body is internally provided with a first filter frame, a second filter frame and a third filter frame which are sequentially arranged from top to bottom, the box cover is provided with a stirring mechanism, the stirring mechanism comprises a stirring shaft and a first motor for driving the stirring shaft to rotate, the first motor is arranged on the outer wall of the box cover, the stirring shaft is sequentially provided with a first stirring blade arranged in the first filter frame, a second stirring blade, the utility model is suitable for a silica preparation equipment technical field.
Description
Technical Field
The utility model belongs to the technical field of silica preparation equipment, refer in particular to an automatic filtration drying device for silica.
Background
Polycrystalline silicon is widely applied to various industries at present, a large amount of chlorosilane residual liquid can be generated in the production process of the polycrystalline silicon, the main component of the chlorosilane residual liquid is silicon tetrachloride, and the polycrystalline silicon has the characteristics of high risk, difficulty in treatment and great environmental friendliness, and becomes a bottleneck for restricting the development of the polycrystalline silicon industry.
When the chlorosilane raffinate is treated at present, the main principle is as follows: collecting chlorosilane residual liquid in a reaction tank, adding water to perform hydrolysis reaction to generate silicon dioxide and hydrochloric acid, filtering, washing and drying the silicon dioxide obtained by filtering to obtain a finished product silicon dioxide powder capable of being utilized; adding calcium carbonate into hydrochloric acid, reacting to obtain calcium chloride, and drying the calcium chloride to obtain the utilized finished product calcium chloride powder.
When the method is adopted, the humidity of the silicon dioxide is high, the silicon dioxide is usually dried by drying equipment, but the obtained product has large particles and even has a caking phenomenon, and contains large-particle impurities, so the silicon dioxide needs to be sequentially treated by a crusher and a filter, and the steps are more and more complicated.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an automatic filtration drying device for silica, it collects the drying, breaks up and filters as an organic whole, and the function is various, and simple structure.
The purpose of the utility model is realized like this: the utility model provides an automatic filtration drying device for silica, includes the box of tubular structure and arranges the case lid on the box, its characterized in that: be equipped with the feed inlet on the case lid, still be equipped with automatic feeding mechanism on the feed inlet, the bottom half is equipped with the bin outlet, still be equipped with the intake pipe on the lateral wall of box, be connected with the hot-blast furnace in the intake pipe, be equipped with the gas vent on the case lid, be equipped with the first filter frame that sets gradually from top to bottom in the box, second filter frame and third filter frame, be equipped with rabbling mechanism on the case lid, rabbling mechanism includes the (mixing) shaft and is used for driving the rotatory first motor of (mixing) shaft, first motor is installed on the outer wall of case lid, be equipped with the first stirring vane of arranging in first filter frame in proper order on the (mixing) shaft, arrange the second stirring vane in the second filter frame.
By adopting the technical scheme, the automatic feeding mechanism is used for feeding silicon dioxide into the box body, the silicon dioxide falls into the first filter frame, the first stirring blade breaks up the silicon dioxide in the first filter frame, the silicon dioxide enters the second filter frame through the filter screen in the first filter frame, and the second stirring blade breaks up the silicon dioxide in the second filter frame for the second time; then falling into a third filter frame for scattering again; the aperture of the filter holes of the first filter frame, the second filter frame and the third filter frame can be reduced in sequence, and the agglomerated silicon dioxide can be fully broken up by adopting the structure, and the breaking efficiency is improved; and large particle impurities are intercepted by the filter frame; the air inlet pipe can be arranged below the third filter frame, and the hot blast stove is used for providing dry hot air so that the hot air enters the box body to heat and dry the silicon dioxide in the scattering process, wherein the hot blast stove is an existing device, and the specific structure is not described in detail; therefore, the device can play the multifunctional roles of filtering, scattering and drying.
The utility model discloses further set up to: the automatic feeding mechanism comprises a horizontal feeding box and a feeding screw rod arranged in the horizontal feeding box, the tail end of the horizontal feeding box is connected with the feeding port, a feeding hopper is connected above the head of the horizontal feeding box, and a second motor used for driving the feeding screw rod to rotate is further arranged on the outer side of the horizontal feeding box.
Through adopting above-mentioned technical scheme, be used for holding in the hopper and treat dry silica, silica relies on self weight to fall into horizontal pay-off incasement, then rotation through the pay-off screw rod, carry forward to send into the feed inlet, through automatic feeding mechanism's setting, can carry out the ration to silica and carry, easily control, wherein, for the ease of dismantling between horizontal pay-off case and the case lid, can set up the switching pipe between the tail end of horizontal pay-off case and the feed inlet, the both ends of switching pipe can be fixed through flange's mode.
The utility model discloses further set up to: first filter frame, second filter frame and third filter frame all include the framework and install the filter screen in the framework, and the framework includes annular structure's internal frame, annular structure's outer frame and many connecting rods that are used for connecting internal frame and outer frame, and the filter screen is arranged in on the connecting rod.
Through adopting above-mentioned technical scheme, all can be for welded fastening between internal frame, connecting rod, outer frame and the filter screen, the internal frame overlaps on the (mixing) shaft, sets up for the clearance between internal frame and the (mixing) shaft, and internal frame and outer frame pass through the connecting rod and connect and form the frame structure, and the connecting rod is located the framework bottom, and the filter screen sets up between internal frame and outer frame to be located the connecting rod upper surface, the interval between the adjacent connecting rod supplies silica powder whereabouts.
The utility model discloses further set up to: the outer frame is provided with a clamping groove of an inwards concave structure, the box body is provided with a mounting hole right opposite to the clamping groove, and a fastening screw used for abutting against the clamping groove is mounted in the mounting hole.
By adopting the technical scheme, when the filter is installed, the fastening screw is screwed, so that the end part of the fastening screw is abutted against the clamping groove, the fastening effect is achieved, the filter frame is fixed, and the filter frame is prevented from rotating along with the rotation of the stirring shaft; before the box cover is used, the box cover can be arranged on the box body in a hoisting mode, the first stirring blade, the second stirring blade, the third stirring blade and the stirring shaft are of detachable structures, and are connected through keys to play a role in circumferential limiting, and the stirring blades are axially fixed through nuts and the like; after the box cover is installed, the filter frame enters the box body and is fixed through fastening screws; in addition, the filter frames can axially abut against each other through the outer frame, and the bottom of the third filter frame is provided with a screw cap for axial limiting, and the screw cap is fixed on the stirring shaft; when actual stirring was used, the (mixing) shaft need not too fast rotational speed, and stirring vane rotates along with the (mixing) shaft, and above-mentioned filtration frame is spacing by fastening the screw, and the (mixing) shaft can rotate by the internal frame relatively.
The utility model discloses further set up to: and a filter bag is arranged on the exhaust port.
Through adopting above-mentioned technical scheme, avoid the dust in the box to be discharged by the gas vent.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic structural view of the interior of the box body of the present invention;
FIG. 3 is a schematic structural view of a first filter frame of the present invention;
FIG. 4 is a schematic view of the connection structure of the first filter frame and the first stirring rod and the stirring shaft in FIG. 2 according to the present invention;
the reference numbers in the figures are: 1. a box body; 2. a box cover; 3. a feed inlet; 4. a discharge outlet; 5. an air inlet pipe; 6. a hot blast stove; 7. an exhaust port; 8. a first filter frame; 9. a second filter frame; 10. a third filter frame; 11. a stirring shaft; 12. a first motor; 13. a first stirring blade; 14. a second stirring blade; 15. a third stirring blade; 16. a horizontal feed box; 17. a feed screw; 18. a hopper; 19. a second motor; 20. an inner frame; 21. an outer frame; 22. a connecting rod; 23. filtering with a screen; 24. a card slot; 25. and (5) fastening the screw.
Detailed Description
The invention will be further described in the following with reference to specific embodiments thereof, with reference to the accompanying drawings, in which figures 1 to 4:
the utility model provides an automatic filtration drying device for silica, includes the box 1 of tubular structure and places case lid 2 on box 1, its characterized in that: be equipped with feed inlet 3 on case lid 2, still be equipped with automatic feeding mechanism on feed inlet 3, 1 bottom of box is equipped with bin outlet 4, still be equipped with intake pipe 5 on the lateral wall of box 1, be connected with hot-blast furnace 6 on the intake pipe 5, be equipped with gas vent 7 on the case lid 2, be equipped with the first filter frame 8 that sets gradually from top to bottom in the box 1, second filter frame 9 and third filter frame 10, be equipped with rabbling mechanism on the case lid 2, rabbling mechanism includes (mixing) shaft 11 and is used for driving the rotatory first motor 12 of (mixing) shaft 11, first motor 12 is installed on the outer wall of case lid 2, be equipped with first stirring vane 13 of arranging in first filter frame 8 in proper order on the (mixing) shaft 11, arrange second stirring vane 14 in second filter frame 9 in and arrange third stirring vane 15 in third filter frame 10 in.
By adopting the technical scheme, the automatic feeding mechanism is used for feeding silicon dioxide into the box body 1, the silicon dioxide falls into the first filter frame 8, the first stirring blade 13 breaks up the silicon dioxide in the first filter frame 8, the silicon dioxide enters the second filter frame 9 through the filter screen 23 in the first filter frame 8, and the second stirring blade 14 breaks up the silicon dioxide in the second filter frame 9 for the second time; then falls into the third filter frame 10 to be scattered again; the aperture of the filter holes of the first filter frame 8, the second filter frame 9 and the third filter frame 10 can be reduced in sequence, and the agglomerated silicon dioxide can be fully broken up by adopting the structure, and the breaking efficiency is improved; and large particle impurities are intercepted by the filter frame; the air inlet pipe 5 can be arranged below the third filter frame 10, and the hot blast stove 6 is used for providing dry hot air, so that the hot air enters the box body 1 to heat and dry the silicon dioxide in the scattering process, wherein the hot blast stove 6 is the existing device, and the specific structure is not described in a repeated way; therefore, the device can play the multifunctional roles of filtering, scattering and drying.
The utility model discloses further set up to: the automatic feeding mechanism comprises a horizontal feeding box 16 and a feeding screw rod 17 arranged in the horizontal feeding box 16, the tail end of the horizontal feeding box 16 is connected with the feeding port 3, a feeding hopper 18 is connected above the head of the horizontal feeding box 16, and a second motor 19 for driving the feeding screw rod 17 to rotate is further arranged on the outer side of the horizontal feeding box 16.
Through adopting above-mentioned technical scheme, be used for holding in the hopper 18 and treat dry silica, silica relies on self weight to fall into horizontal pay-off case 16 in, then through the rotation of pay-off screw 17, carry forward, and send into feed inlet 3, through automatic feeding mechanism's setting, can carry out the ration to silica and carry, easy control, wherein, for the ease of the dismantlement between horizontal pay-off case 16 and case lid 2, can set up the adapter tube between the tail end of horizontal pay-off case 16 and feed inlet 3, the both ends of adapter tube can be fixed through flange's mode.
The utility model discloses further set up to: the first filter frame 8, the second filter frame 9 and the third filter frame 10 comprise frame bodies and filter screens 23 installed in the frame bodies, each frame body comprises an inner frame 20 of an annular structure, an outer frame 21 of the annular structure and a plurality of connecting rods 22 used for connecting the inner frame 20 and the outer frame 21, and the filter screens 23 are arranged on the connecting rods 22.
Through adopting above-mentioned technical scheme, all can be for welded fastening between inner frame 20, connecting rod 22, outer frame 21 and the filter screen 23, inner frame 20 overlaps on (mixing) shaft 11, be the clearance setting between inner frame 20 and (mixing) shaft 11, and inner frame 20 and outer frame 21 connect through connecting rod 22 and form the frame structure, and connecting rod 22 is located the frame bottom, and filter screen 23 sets up between inner frame 20 and outer frame 21 to be located the connecting rod 22 upper surface, the interval between the adjacent connecting rod 22 supplies silica powder to fall.
The utility model discloses further set up to: the outer frame 21 is provided with a clamping groove 24 with a concave structure, the box body 1 is provided with a mounting hole right opposite to the clamping groove 24, and a fastening screw 25 used for abutting against the clamping groove 24 is mounted in the mounting hole.
By adopting the technical scheme, when the filter is installed, the fastening screw 25 is screwed, so that the end part of the fastening screw 25 is abutted against the clamping groove 24, a fastening effect is achieved, the filter frame is fixed, and the filter frame is prevented from rotating along with the rotation of the stirring shaft 11; before use, the box cover 2 can be installed on the box body 1 in a hoisting mode, the first stirring blade 13, the second stirring blade 14, the third stirring blade 15 and the stirring shaft 11 are of detachable structures, are connected through keys to play a role in circumferential limiting, and play an axial fixing role in the stirring blades in a nut mode and the like; after the box cover 2 is installed, the filter frame enters the box body 1 and is fixed through a fastening screw 25; in addition, the filter frames can axially abut against each other through the outer frame 21, and the bottom of the third filter frame 10 is provided with a screw cap for axial limiting, and the screw cap is fixed on the stirring shaft 11; when the stirring shaft 11 is actually used for stirring, the rotating speed of the stirring shaft 11 does not need to be too high, the stirring blades rotate along with the stirring shaft 11, the filter frame is limited by the fastening screws 25, and the stirring shaft 11 can rotate relative to the inner frame 20.
The utility model discloses further set up to: and a filter bag is arranged on the exhaust port 7.
Through adopting above-mentioned technical scheme, avoid the dust in the box 1 to be discharged by gas vent 7.
The above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (5)
1. An automatic filtering and drying device for silicon dioxide comprises a box body (1) with a cylindrical structure and a box cover (2) arranged on the box body (1), and is characterized in that: the automatic feeding device is characterized in that a feeding hole (3) is formed in the box cover (2), an automatic feeding mechanism is further arranged on the feeding hole (3), a discharging hole (4) is formed in the bottom of the box body (1), an air inlet pipe (5) is further arranged on the side wall of the box body (1), a hot blast stove (6) is connected onto the air inlet pipe (5), an air outlet (7) is formed in the box cover (2), a first filter frame (8), a second filter frame (9) and a third filter frame (10) which are sequentially arranged from top to bottom are arranged in the box body (1), a stirring mechanism is arranged on the box cover (2) and comprises a stirring shaft (11) and a first motor (12) for driving the stirring shaft (11) to rotate, the first motor (12) is, the stirring shaft (11) is sequentially provided with a first stirring blade (13) arranged in the first filtering frame (8), a second stirring blade (14) arranged in the second filtering frame (9) and a third stirring blade (15) arranged in the third filtering frame (10).
2. The automatic filtering drying device for silica according to claim 1, characterized in that: the automatic feeding mechanism comprises a horizontal feeding box (16) and a feeding screw rod (17) arranged in the horizontal feeding box (16), the tail end of the horizontal feeding box (16) is connected with the feeding hole (3), a feeding hopper (18) is connected above the head of the horizontal feeding box (16), and a second motor (19) for driving the feeding screw rod (17) to rotate is further arranged on the outer side of the horizontal feeding box (16).
3. The automatic filtering drying device for silica according to claim 1, characterized in that: first filter frame (8), second filter frame (9) and third filter frame (10) all include the framework and install filter screen (23) in the framework, and the framework includes inner frame (20) of annular structure, outer frame (21) of annular structure and many connecting rods (22) that are used for connecting inner frame (20) and outer frame (21), and filter screen (23) are arranged in on connecting rod (22).
4. An automatic filtering drying device for silica according to claim 3, characterized in that: the outer frame is provided with a clamping groove (24) with an inwards concave structure, the box body (1) is provided with a mounting hole right opposite to the clamping groove (24), and a fastening screw (25) used for abutting against the clamping groove (24) is mounted in the mounting hole.
5. The automatic filtering drying device for silica according to claim 1, characterized in that: and a filter bag is arranged on the exhaust port (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020518851.6U CN211903594U (en) | 2020-04-09 | 2020-04-09 | Automatic filtering and drying device for silicon dioxide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020518851.6U CN211903594U (en) | 2020-04-09 | 2020-04-09 | Automatic filtering and drying device for silicon dioxide |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211903594U true CN211903594U (en) | 2020-11-10 |
Family
ID=73273501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020518851.6U Expired - Fee Related CN211903594U (en) | 2020-04-09 | 2020-04-09 | Automatic filtering and drying device for silicon dioxide |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211903594U (en) |
-
2020
- 2020-04-09 CN CN202020518851.6U patent/CN211903594U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201110 Termination date: 20210409 |