Silica powder drying equipment

Abstract

The utility model belongs to the technical field of silica powder production and related equipment, and particularly relates to silica powder drying equipment which comprises a collecting box and a horizontally-arranged roller, a hot air inlet and an exhaust port are formed in the collecting box, the roller is arranged in the collecting box, opening and closing openings for loading are correspondingly formed in the roller and the collecting box, and the opening and closing openings are communicated with the collecting box. A sealing door is arranged on the opening and closing opening; the two ends of the roller are arranged in a sealed mode, a driving device for driving the roller to rotate is arranged outside the roller, and a plurality of screen holes are evenly distributed in the surface of the roller. The two ends in the collecting box are divided into a material collecting area and a roller mounting area through a partition plate, the material collecting area is matched with the portion, provided with the screen holes, of the roller, the hot air inlet is formed in the material collecting area, and the device is even in scattering and good in drying effect.

Description

Technical Field

[0001] The utility model belongs to the technical field of silicon micropowder production and related equipment, in particular to silicon micropowder drying equipment. Background Art

[0002] With the development of society and technology, equipment in various fields has been greatly improved. Silica powder is an inorganic non-metallic material with many advantages such as good temperature resistance, acid and alkali corrosion resistance, and high thermal conductivity. It is widely used in chemical, electronic, and electrical fields. It is mainly processed from natural quartz or fused quartz. During the production process, drying equipment is often required to dry the silica powder for subsequent processing, packaging, and storage.

[0003] Therefore, it is necessary to provide a silicon micropowder drying device that can both efficiently dry and fully separate. Utility Model Content

[0004] The purpose of the utility model is to provide a silicon micropowder drying device, which can disperse the silicon micropowder evenly and has a good drying effect.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: it includes a collecting box and a horizontally placed roller, the collecting box is provided with a hot air inlet and an exhaust port, the roller is arranged in the collecting box, and openings and closing ports for loading are provided on the roller and the collecting box respectively, and sealing doors are provided on the openings and closing ports; the two ends of the roller are sealed, and a driving device for driving the roller to rotate is provided on the outside of the roller, and a plurality of sieve holes are evenly distributed on the surface of the roller; the two ends inside the collecting box are divided into a material collection area and a roller installation area by a partition plate, the material collection area cooperates with the part with the sieve holes on the roller, and the hot air inlet is provided at the material collection area; a divider is provided directly below the central axis of the roller at the material collection area, the divider extends to both sides along the width direction of the collecting box, and a row of air outlets is provided on the top of the divider.

[0006] Preferably, a breaking up device is provided in the drum, and the breaking up device includes a rotating shaft arranged along the length direction of the drum body, the rotation direction of the rotating shaft is opposite to the rotation direction of the drum, and breaking up blades are provided on the rotating shaft. One end of the rotating shaft extends from the end of the drum on the opposite side of the driving device and is connected to the driving motor in the collection box.

[0007] Preferably, an air inlet is provided at the center of the drum at the other end of the rotating shaft, and a branch pipe is connected to the air inlet.

[0008] Preferably, both sides of the collection box are provided with openings, and the openings are provided with sealing doors hinged to the collection box, and the length of the openings matches the length of the material collection area.

[0009] Preferably, the driving device includes a main gear installed on the drum, a matching gear meshing with the main gear, and a motor. The center of the matching gear is hollow, and the output shaft of the motor is installed in the hollow.

[0010] Preferably, a driven device cooperating with the driving device is provided on the outside of the drum, and there are two driven devices respectively installed on both sides of the drum. The driven device includes a flange installed on the drum, and a bolt ear is provided on the flange. The bolt ear is connected to a turntable through a nut, and a rotating wheel for supporting the chuck is provided on the left and right sides below the drum.

[0011] Preferably, a heating pipe is provided on the box body of the collection box, and the heating pipe passes through the collection box through the hot air inlet. One end of the pipe is connected to the hot air blower, and the other end is connected to two branches, one of which is connected to the distributor and the other is connected to the bottom air inlet of the drum.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] This device uses the rotating drum to screen the silicon micropowder out of the device through the sieve holes. The rotary screening method can effectively ensure that the screened and dried silicon micropowder is free of hard particles. In order to prevent the moist silicon micropowder from agglomerating when the drum rotates, a breaking device is set in the drum. The breaking device can further reduce the larger agglomerates. Hot air is introduced into the drum, and the silicon micropowder broken up by the hot air undergoes the first heating and drying process.

[0014] After the silicon micropowder is screened by the drum, it falls through the sieve holes into the collection box. A distributor is provided at the bottom of the collection box, and a second air outlet is provided at the bottom of the distributor to perform double drying on the falling silicon micropowder and the collection box. The two sides of the distributor extend to both ends, and the falling silicon micropowder slides along the angle to both ends of the box door, making it more convenient to collect. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the drum structure of the present utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the material distributor of the utility model;

[0018] Figure 4 This is a front view of the main structure of the utility model;

[0019] Figure 5 This is a schematic diagram of the structure of the scattering blades of the present utility model;

[0020] In the figure: 1. Collection box; 2. Drum; 3. Hot air inlet; 4. Exhaust port; 5. Sealing door; 6. Sieve hole; 7. Partition; 701. Material collection area; 702. Drum installation area; 8. Material distributor; 9. Scattering device; 901. Rotating shaft; 902. Scattering blades; 10. Main gear; 11. Matching gear; 1101. Motor; 12. Flange; 13. Bolt ear; 14. Turntable; 15. Rotor. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. It is obvious that the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] See also Figure 1 - Figure 5 As shown, the utility model provides the following technical solutions:

[0023] A silicon micropowder drying device comprises a collecting box 1 with hinged doors on both sides and a horizontally placed drum 2, the collecting box 1 being provided with a hot air inlet 3 and an exhaust port 4, the two ends of the collecting box 1 being divided into a material collecting area and a drum 2 installation area by a partition plate 7, the hinged door of the collecting box 1 being a sealed door, the opening and closing length of the sealed door matching the length of the material collecting area 701, a power device for the drum 2 being installed in the drum 2 installation area, the material collecting area being coordinated with the part with sieve holes on the drum 2, mainly to prevent the silicon micropowder from affecting the service life of the power device, the hot air inlet being arranged in the material collecting area; a divider 8 being provided directly below the central axis of the drum 2 in the material collecting area, the divider 8 extending to both sides along the width direction of the collecting box 1, a row of air outlets being provided on the top of the divider 8, and a three-hole air outlet divider can be replaced when the humidity of the silicon micropowder is high, the three-hole air outlet position being the extension angle on both sides of the bottom of the divider, and the air outlet positions all spray upward.

[0024] The drum 2 is arranged in the collecting box 1, and openings and closings for loading are provided on the drum 2 and the collecting box 1 respectively, and sealing doors are installed on the openings and closings. The sealing door on the collecting box 1 is opened for collection after drying is completed, and the sealing door on the drum 2 is for loading silicon micropowder; both ends of the drum 2 are sealed, and a driving device for driving the drum 2 to rotate is provided on the outside of the drum 2, and a plurality of sieve holes are evenly distributed on the surface of the drum 2.

[0025] A dispersing device is provided in the drum 2, and the dispersing device includes a rotating shaft 901 arranged along the length direction of the drum 2 body. The rotation direction of the rotating shaft 901 is opposite to the rotation direction of the drum 2, and a dispersing blade 902 is provided on the rotating shaft. One end of the rotating shaft 901 extends from the end of the drum 2 on the opposite side of the driving device and is connected to the driving motor in the collecting box 1. An air inlet is provided at the center of the drum 2 at the other end of the rotating shaft, and a branch pipe is connected to the air inlet. The other end of the rotating shaft is fixed in the drum 2 by a fixing seat with a support leg. The fixing seat with a support leg is also for blowing the hot air brought by the branch pipe on the air inlet into the drum 2.

[0026] The driving device includes a main gear 10 installed on the drum 2, a matching gear 11 meshing with the main gear, and a motor 1101. The center of the matching gear 11 is hollow, and the output shaft of the motor is installed in the hollow; the outside of the drum 2 is provided with a driven device that cooperates with the driving device, and the driven devices are two and respectively installed on both sides of the drum 2. The driven device includes a flange 12 installed on the drum 2, and a bolt ear 13 is provided on the flange 12. The bolt ear 13 is connected to a turntable 14 through a nut, and a runner 15 for supporting the turntable 14 is provided on the left and right sides below the drum 2.

[0027] The collecting box body is provided with a heating pipe, which passes through the collecting box 1 through the hot air inlet. One end of the pipe is connected to the hot air blower, and the other end is connected to two branch pipes, one of which is connected to the distributor and the other is connected to the bottom air inlet of the drum 2.

[0028] When the device is in use, the sealed doors of the collection box 1 and the drum are opened, and the silicon micropowder is loaded through the sealed door of the drum. After loading, all the box doors are locked, and the hot air blower is turned on to transport hot air to the drum and the collection box through the pipeline. The device is first preheated. After the preheating is completed, the driving device is turned on. The driving device drives the drum to rotate slowly, and the silicon micropowder is sifted into the collection box during the rotation. Since wet silicon micropowder is prone to agglomeration, a counter-rotating breaking device is provided inside the device. The breaking device breaks up the agglomerated silicon micropowder and sifts it out. The sifted silicon micropowder falls into the collection box. A divider is provided at the central axis of the collection box. The divider dries the silicon micropowder for a second time and diverts it to both sides of the box door, which can ensure both the drying effect and the uniform size of the sieved silicon micropowder.

[0029] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A silicon micropowder drying device, characterized in that: The invention comprises a collecting box (1) and a horizontally placed roller (2), wherein the collecting box (1) is provided with a hot air inlet (3) and an exhaust port (4), the roller (2) is arranged in the collecting box (1), and openings and closing ports for loading are correspondingly provided on the roller (2) and the collecting box (1), and sealing doors (5) are provided on the openings and closing ports; both ends of the roller (2) are sealed, and a driving device for driving the roller (2) to rotate is provided on the outside of the roller (2), and a plurality of sieve holes (6) are evenly distributed on the surface of the roller (2); both ends of the collecting box (1) are divided into a material collecting area and a roller (2) installation area by a partition plate (7), the material collecting area cooperates with the part of the roller (2) with the sieve holes (6), and the hot air inlet is provided at the material collecting area; a distributor (8) is provided just below the central axis of the roller (2) at the material collecting area, the distributor (8) extends to both sides along the width direction of the collecting box (1), and a row of air outlets is provided on the top of the distributor (8).

2. A silicon micropowder drying device according to claim 1, characterized in that: A scattering device (9) is provided in the drum (2), the scattering device (9) comprising a rotating shaft (901) arranged along the length direction of the drum (2) body, the rotating shaft (901) rotating in the opposite direction to the rotating direction of the drum (2), a scattering blade (902) being provided on the rotating shaft (901), one end of the rotating shaft (901) extending from the end of the drum (2) on the opposite side of the driving device, and connected to the driving motor in the collection box (1).

3. A silicon micropowder drying device according to claim 2, characterized in that: An air inlet is provided at the center of the roller (2) at the other end of the rotating shaft (901), and a branch pipe is connected to the air inlet.

4. The silicon micropowder drying equipment according to claim 1, characterized in that: The sealing doors are all connected in a hinged manner, and the length of the opening and closing opening of the hinged sealing door of the collection box (1) matches the length of the material collection area.

5. The silicon micropowder drying equipment according to claim 1, characterized in that: The driving device comprises a main gear (10) mounted on the drum (2), a matching gear (11) meshing with the main gear (10), and a motor (1101); the matching gear (11) is hollow at its center, and the output shaft of the motor (1101) is mounted in the hollow.

6. The silicon micropowder drying equipment according to claim 1, characterized in that: A driven device cooperating with the driving device is provided on the outside of the drum (2), wherein the driven devices are two and are respectively installed on both sides of the drum (2), and the driven device comprises a flange (12) installed on the drum (2), wherein the flange (12) is provided with a bolt ear (13), and the bolt ear (13) is connected to a turntable (14) via a nut, and a runner (15) for supporting the turntable (14) is provided on the left and right sides below the drum (2).

7. The silicon micropowder drying equipment according to claim 1, characterized in that: A heating pipe is provided on the body of the collecting box. The heating pipe passes through the collecting box (1) through a hot air inlet. One end of the pipe is connected to a hot air blower, and the other end is connected to two branch pipes, one of which is connected to a distributor (8) and the other is connected to an air inlet at the bottom of the drum (2).

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