Drying device for fused quartz production

Abstract

The utility model relates to the technical field of quartz production, and particularly discloses a fused quartz production drying device which comprises a drying box with a sealed opening and closing door on the right side, a connecting shaft is rotatably connected to the interior of the drying box, a supporting seat is fixedly connected to the outer wall of the connecting shaft, and a supporting plate is fixedly connected to the upper end of the supporting seat. The upper end of the supporting plate is fixedly connected with two material boxes which are symmetrically distributed left and right, and the upper end of the supporting plate is fixedly connected with a material passing frame communicating with the two material boxes; hot air rushes into the drying box through the lower end of the fixing cover and penetrates through the material boxes, the material passing frame and the supporting plate to make contact with quartz, moisture evaporation is accelerated, humid and hot air is discharged through moisture discharging holes in the bottom of the drying box, and therefore the situation that the drying efficiency is limited due to poor ventilation is avoided; and the quartz flows back to the right side during reverse inclination, and continuously flows under circular driving, so that accumulation and obstruction of moisture discharge are avoided, and the drying uniformity is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to quartz production technical field, specifically disclose a kind of fused quartz production drying device. BACKGROUND

[0002] Fused quartz is a kind of high-performance particulate material, with its low thermal expansion coefficient, excellent thermal stability, good electrical insulation and chemical resistance, etc. In the fields of semiconductor, optical fiber communication, precision casting, it is widely used. In its production process, drying process is the key link to control the moisture content of quartz, directly affects product quality and subsequent processing performance.

[0003] The existing drying device generally uses static tray or fixed bin to load quartz. Since the quartz is in a static state, it is easy to form a stacking phenomenon, and the bottom particles are compacted under the action of gravity, which hinders the moisture discharge and affects the drying uniformity. Some devices rely on electric heating elements such as heating wires for heat conduction drying. When the ventilation condition is poor, the drying efficiency is affected.

[0004] Therefore, a fused quartz production drying device is needed to solve the above problems. SUMMARY

[0005] The utility model discloses a kind of fused quartz production drying device, improve the flowability of fused quartz when drying, avoid to influence the moisture discharge, to improve the uniformity of drying;At the same time, avoid to restrict drying efficiency due to poor ventilation.

[0006] The utility model is realized as follows, a kind of fused quartz production drying device, including right side with the sealing opening and closing door drying box, the inside rotation of the drying box is connected with connecting shaft, the outer wall of the connecting shaft is fixedly connected with support seat, the upper end of the support seat is fixedly connected with support plate, the upper end of the support plate is fixedly connected with two left and right symmetrical distribution material box, the upper end of the support plate is fixedly connected with the material frame that is communicated with two material boxes;

[0007] The front side of the connecting shaft is provided with driving mechanism;

[0008] The upper end of the drying box is fixedly connected with fixed cover, the upper end of the fixed cover is installed with the fan of air outlet, the inside of the fixed cover is installed with honeycomb electric heater;

[0009] The upper end of right side material box is communicated with feeding port, the upper side of the support plate is provided with discharging mechanism.

[0010] As a kind of fused quartz production drying device preferred of the utility model, the driving mechanism includes the driving frame of fixed connection in the front end of drying box, the inside rotationally connected with worm of driving frame, the outer wall of driving frame is equipped with the servo motor of fixed connection of output and worm, the outer wall of worm is engaged with worm wheel, and the transmission shaft of fixed connection between worm wheel and connecting shaft is through the outer wall of drying box.

[0011] As a kind of fused quartz production drying device preferred of the utility model, the discharge mechanism includes the discharge port of being located at the right end of right side material box and being opened through, the discharge frame of being located at the outside of discharge port is fixedly connected between the upper end of support plate and the right end of right side material box, the upper end of discharge frame is opened through with guide slot, the inside of discharge frame is provided with the shutter of being attached to the front and rear sides of its inner wall, the upper end of shutter is opened through with threaded hole, the right end of right side material box is fixedly connected with horizontal plate, the lower end of horizontal plate is rotatably connected with the screw rod of being screwed in the inside of threaded hole, and the upper end of screw rod is fixedly connected with handle and is through horizontal plate.

[0012] As a kind of fused quartz production drying device preferred of the utility model, the outer wall of two material boxes, the outer wall of material passing frame and the outer wall of support plate are opened through with a plurality of evenly distributed air holes.

[0013] As a kind of fused quartz production drying device preferred of the utility model, the lower end of drying box is opened through with a plurality of evenly distributed moisture discharge holes.

[0014] As a kind of fused quartz production drying device preferred of the utility model, the outer wall of feeding port is screwed with screw cover.

[0015] As a kind of fused quartz production drying device preferred of the utility model, the lower end of drying box is fixedly connected with two left and right distributed support frames.

[0016] The utility model has the advantages that:

[0017] 1, start fan and honeycomb electric heater, and the outside air is inhaled after the top of fixed cover, and is heated to form high-speed hot air by honeycomb electric heater, and hot air is rushed into drying box through the lower end of fixed cover, and is penetrated with quartz through material box, material passing frame and support plate, and the evaporation of moisture is accelerated, and the wet hot gas is discharged through the moisture discharge hole in the bottom of drying box, so that the drying efficiency is avoided due to poor ventilation.

[0018] 2, driving mechanism drives connecting shaft to periodically rotate forward and backward, so that support seat, support plate, material box and material passing frame are alternately inclined, and the quartz in right side material box flows into left side material box through material passing frame, and when it is inclined reversely, the quartz flows back to right side, and under the circulation driving, the quartz continuously flows, so that the uniformity of drying is improved. Attached Figure Description

[0019] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn to scale.

[0020] Figure 1 This is a front sectional view of the fused silica production drying device of this utility model;

[0021] Figure 2 For the present utility model Figure 1 Enlarged view of point A in the middle;

[0022] Figure 3 This is a partial right-side cross-sectional view of the present invention;

[0023] Figure 4 This is a partial structural diagram of the present invention.

[0024] The markings in the diagram are: 1. Drying oven; 2. Sealed opening and closing door; 3. Connecting shaft; 4. Support base; 5. Support plate; 6. Material box; 7. Material conveying frame; 8. Feeding port; 9. Discharge port; 10. Discharge frame; 11. Gate plate; 12. Guide groove; 13. Threaded hole; 14. Horizontal plate; 15. Screw; 16. Fixing cover; 17. Honeycomb electric heater; 18. Fan; 19. Drive frame; 20. Worm gear; 21. Worm wheel; 22. Servo motor. Detailed Implementation

[0025] The present invention will be further described below with reference to the accompanying drawings and specific embodiments to aid in understanding its content. Unless otherwise specified, the methods used in this invention are conventional methods; the raw materials and apparatus used, unless otherwise specified, are conventional commercially available products.

[0026] Please see Figures 1-4 A fused silica production drying device includes a drying box 1 with a sealed opening and closing door 2 on the right side. A connecting shaft 3 is rotatably connected inside the drying box 1. A support base 4 is fixedly connected to the outer wall of the connecting shaft 3. A support plate 5 is fixedly connected to the upper end of the support base 4. Two material boxes 6 are symmetrically distributed on the left and right sides and fixedly connected to the upper end of the support plate 5. A material passing frame 7 communicating with the two material boxes 6 is fixedly connected to the upper end of the support plate 5.

[0027] A drive mechanism is provided on the front side of the connecting shaft 3;

[0028] The upper end of the drying box 1 is fixedly connected with a fixed cover 16, the upper end of the fixed cover 16 is installed with a fan 18 with an air outlet penetrating through the outer wall of the fixed cover 16, and the inside of the fixed cover 16 is installed with a honeycomb electric heater 17.

[0029] The upper end of the right material box 6 is communicated with a feeding port 8, and the upper side of the supporting plate 5 is provided with a discharging mechanism.

[0030] In the embodiment, when in use, the molten quartz particles are put into the inside of the right material box 6 through the feeding port 8, then the threaded cover is screwed on the outer wall of the feeding port 8, and then the sealing opening and closing door 2 of the drying box 1 is closed, so that the preparation work before drying is completed.

[0031] When drying, the fan 18 and the honeycomb electric heater 17 are started, the outside cold air is sucked from the top of the fixed cover 16, the flowing air is heated to the set temperature through the honeycomb electric heater 17, the high-speed airflow is rushed into the drying box 1 through the lower end opening of the fixed cover 16, and then enters the inside of the two material boxes 6, the material passing frame 7 and the supporting plate 5 and contacts the quartz, the evaporation of the water on the surface of the quartz is accelerated through the hot air, the wet gas is discharged from the inside of the drying box 1 through the moisture discharge hole, and the drying efficiency is avoided due to poor ventilation.

[0032] At the same time, the connecting shaft 3 is driven to rotate counterclockwise by a certain angle through the driving mechanism, and the supporting seat 4, the supporting plate 5, the two material boxes 6 and the material passing frame 7 are driven to rotate around the connecting shaft 3 by a certain angle, so that the supporting plate 5, the two material boxes 6 and the material passing frame 7 are inclined, in the process, the quartz in the right material box 6 enters the inside of the left material box 6 through the material passing frame 7, when the quartz completely enters the left material box 6, the connecting shaft 3 is rotated clockwise, and the supporting plate 5, the two material boxes 6 and the material passing frame 7 are rotated clockwise around the connecting shaft 3, when they are reversely inclined by a certain angle, the quartz in the left material box 6 enters the inside of the right material box 6 through the material passing frame 7, and the work is circularly carried out according to the steps, so that the flowability of the molten quartz during drying is improved, the influence on the moisture discharge is avoided, and the uniformity of drying is improved.

[0033] When the discharging is needed after the drying is completed, the sealing opening and closing door 2 is opened, and the supporting plate 5 is ensured to be in a horizontal state, then the discharging mechanism is opened, the supporting plate 5, the two material boxes 6 and the material passing frame 7 are rotated to an inclined state through the clockwise rotation of the connecting shaft 3 by a certain angle, so that the quartz is discharged due to the action of gravity.

[0034] It should be noted that the recommended model of the honeycomb electric heater 17 is CIR-HEAT-1500.

[0035] As a technical optimization scheme of the utility model, the driving mechanism includes the driving frame 19 fixedly connected to the front end of the drying box 1, the worm 20 rotatably connected inside the driving frame 19, the servo motor 22 with the output end fixedly connected to the worm 20 is installed on the outer wall of the driving frame 19, the outer wall of the worm 20 is meshingly connected with the worm wheel 21, and the transmission shaft is fixedly connected between the worm wheel 21 and the connecting shaft 3 and penetrates the outer wall of the drying box 1.

[0036] In the embodiment: start servo motor 22, its output shaft drives the worm 20 inside the driving frame 19 to rotate, the worm 20 engages the worm wheel 21, drives the connecting shaft 3 to rotate through the transmission shaft, and because the worm 20 worm wheel 21 transmission has the characteristics of self-locking, thereby improving the stability of the connecting shaft 3 in the non-driven state.

[0037] As a technical optimization scheme of the utility model, the discharging mechanism includes the discharging port 9 throughly provided at the right end of the right side material box 6, the discharging frame 10 is fixedly connected between the upper end of the supporting plate 5 and the right end of the right side material box 6 and located outside the discharging port 9, the upper end of the discharging frame 10 is throughly provided with the guide slot 12, the inside of the discharging frame 10 is provided with the shutter 11 abutting to the front and rear sides of the inner wall thereof, the shutter 11 passes through the guide slot 12 and the upper end of the shutter 11 is throughly provided with the threaded hole 13, the right end of the right side material box 6 is fixedly connected with the horizontal plate 14, the lower end of the horizontal plate 14 is rotatably connected with the screw rod 15 threadedly connected inside the threaded hole 13, and the upper end of the screw rod 15 is fixedly connected with the handle penetrating the horizontal plate 14.

[0038] In the embodiment: when discharging is needed after drying, the sealing opening and closing door 2 needs to be opened, and the supporting plate 5 is ensured to be in a horizontal state, then the screw rod 15 is rotated, the screw rod 15 is threadedly connected with the threaded hole 13, thereby driving the shutter 11 to move upward, when the lower end of the shutter 11 is flush with the upper end of the inner wall of the discharging frame 10, the supporting plate 5, the two material boxes 6 and the material passing frame 7 are driven to rotate to an inclined state through the clockwise rotation of the connecting shaft 3 by a certain angle, thereby discharging the quartz due to the action of gravity.

[0039] As a technical optimization scheme of the utility model, the outer wall of the two material boxes 6, the outer wall of the material passing frame 7 and the outer wall of the supporting plate 5 are throughly provided with a plurality of evenly distributed air holes.

[0040] In the embodiment: the air holes are arranged, thereby facilitating the hot air to enter the inside of the two material boxes 6 and the inside of the material passing frame 7 and contact with the quartz.

[0041] As a technical optimization scheme of the utility model, the lower end of the drying box 1 is throughly provided with a plurality of evenly distributed moisture discharge holes.

[0042] In the embodiment: the moisture discharge holes are arranged, thereby facilitating the discharge of the hot and humid gas inside the drying box 1.

[0043] As a technical optimization scheme of the utility model, the outer wall of the feeding opening 8 is threadedly connected with a threaded cover.

[0044] In the embodiment: by setting the threaded cover, the quartz inside the right side material box 6 is prevented from discharging from the feeding opening 8.

[0045] As a technical optimization scheme of the utility model, the lower end of the drying box 1 is fixedly connected with two left and right distributed support frames.

[0046] In the embodiment: by setting two support frames, the drying box 1 is provided with a support effect, and the ground is prevented from blocking the exhaust hole.

[0047] The working principle and use process of the utility model: when used, the molten quartz particles are put into the inside of the right side material box 6 through the feeding opening 8, then the threaded cover is screwed on the outer wall of the feeding opening 8, and the sealing opening and closing door 2 of the drying box 1 is closed, and the preparation work before drying is completed.

[0048] When drying, the fan 18 and the honeycomb electric heater 17 are started, the external cold air is sucked from the top of the fixed cover 16, the flowing air is heated to the set temperature through the honeycomb electric heater 17, the high-speed airflow is rushed into the drying box 1 through the lower end opening of the fixed cover 16, enters the inside of the two material boxes 6, the material frame 7 and the support plate 5 and contacts the quartz through the air hole, the evaporation of the water on the surface of the quartz is accelerated through the hot air, the wet hot gas is formed by the hot air carrying the water of the quartz, the moisture is discharged from the inside of the drying box 1 through the exhaust hole, and in this way, the drying efficiency is avoided due to poor ventilation.

[0049] Meanwhile, the servo motor 22 is started, the output shaft drives the worm 20 in the driving frame 19 to rotate, the worm 20 meshes with the worm gear 21, drives the connecting shaft 3 to rotate counterclockwise through the transmission shaft, and drives the support base 4, the support plate 5, the two material boxes 6 and the material passing frame 7 to rotate around the connecting shaft 3 by a certain angle, so that the support plate 5, the two material boxes 6 and the material passing frame 7 are inclined, in the process, the quartz in the right material box 6 enters the inside of the left material box 6 through the material passing frame 7, when the quartz completely enters the left material box 6, the worm 20 is driven by the servo motor 22 to rotate reversely, so as to drive the connecting shaft 3 to rotate clockwise, and drive the support plate 5, the two material boxes 6 and the material passing frame 7 to rotate clockwise around the connecting shaft 3, when the support plate 5, the two material boxes 6 and the material passing frame 7 are reversely inclined by a certain angle, the quartz in the left material box 6 enters the inside of the right material box 6 through the material passing frame 7, the quartz is always in a flowing state according to the above steps, so that the flowability of the fused quartz during drying is improved, the influence of the moisture discharge is avoided, and the uniformity of drying is improved, in the process, the shutter 11 is attached to the inner wall of the discharging frame 10 and the upper end of the support plate 5, so that the quartz is prevented from being discharged from the discharging frame 10.

[0050] When the drying is completed and the discharging is needed, the sealing opening and closing door 2 needs to be opened, and the support plate 5 needs to be in a horizontal state, then the screw rod 15 is rotated, the screw rod 15 is screw-connected with the threaded hole 13, so as to drive the shutter 11 to move upwards, when the lower end of the shutter 11 is flush with the upper end of the inner wall of the discharging frame 10, the support plate 5, the two material boxes 6 and the material passing frame 7 are driven to rotate to an inclined state through clockwise rotation of the connecting shaft 3 by a certain angle, so that the quartz is discharged due to the action of gravity.

[0051] In the description of the utility model, it is to be understood that the terms "left", "right", "upper", "lower", "top", "bottom", "front", "rear", "inner", "outer", "back", "intermediate" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the utility model.

[0052] The above-mentioned is only a specific embodiment of the utility model, and cannot limit the range of implementation of the utility model, so that the replacement of equivalent components or equivalent changes and modifications made in the protection range of the utility model patent still belong to the scope covered by the claims of the utility model.

Claims

1. A drying apparatus for fused silica production, comprising a drying chamber (1) with a sealed opening and closing door (2) on the right side, characterized in that: The drying box (1) is rotatably connected to a connecting shaft (3), and a support base (4) is fixedly connected to the outer wall of the connecting shaft (3). A support plate (5) is fixedly connected to the upper end of the support base (4), and two symmetrically distributed material boxes (6) are fixedly connected to the upper end of the support plate (5). A material passing frame (7) communicating with the two material boxes (6) is fixedly connected to the upper end of the support plate (5). A drive mechanism is provided on the front side of the connecting shaft (3); The upper end of the drying box (1) is fixedly connected to a fixed cover (16), and the upper end of the fixed cover (16) is equipped with a fan (18) with an air outlet penetrating its outer wall. A honeycomb electric heater (17) is installed inside the fixed cover (16). The upper end of the right-side material box (6) is connected to the feeding port (8), and the upper side of the support plate (5) is provided with a discharge mechanism.

2. The fused silica production drying apparatus according to claim 1, characterized in that: The driving mechanism includes a drive frame (19) fixedly connected to the front end of the drying box (1). A worm gear (20) is rotatably connected inside the drive frame (19). A servo motor (22) with its output end fixedly connected to the worm gear (20) is installed on the outer wall of the drive frame (19). A worm wheel (21) is meshed with the outer wall of the worm gear (20). A transmission shaft that penetrates the outer wall of the drying box (1) is fixedly connected between the worm wheel (21) and the connecting shaft (3).

3. The fused silica production drying apparatus according to claim 1, characterized in that: The discharge mechanism includes a discharge port (9) that is opened through the right end of the right material box (6). The upper end of the support plate (5) and the right end of the right material box (6) are fixedly connected to a discharge frame (10) located outside the discharge port (9). The upper end of the discharge frame (10) is provided with a guide groove (12). The discharge frame (10) is provided with a gate plate (11) that fits against the front and rear sides of its inner wall. The gate plate (11) passes through the guide groove (12) and the upper end of the gate plate (11) is provided with a threaded hole (13). The right end of the right material box (6) is fixedly connected to a horizontal plate (14). The lower end of the horizontal plate (14) is rotatably connected to a screw (15) that is threaded into the threaded hole (13). The upper end of the screw (15) is fixedly connected to a handle that passes through the horizontal plate (14).

4. The fused silica production drying apparatus according to claim 1, characterized in that: The outer walls of the two material boxes (6), the outer wall of the material passing frame (7), and the outer wall of the support plate (5) are all provided with a number of evenly distributed ventilation holes.

5. The fused silica production drying apparatus according to claim 1, characterized in that: The lower end of the drying box (1) has several evenly distributed dehumidification holes.

6. The fused silica production drying apparatus according to claim 1, characterized in that: The feed port (8) has a threaded cap on its outer wall.

7. The fused silica production drying apparatus according to claim 1, characterized in that: The lower end of the drying box (1) is fixedly connected to two left and right distributed support frames.

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