Silica powder drying and recycling device

Abstract

The utility model discloses a silica powder drying and recycling device, which relates to the technical field of silica powder drying and recycling devices and comprises a drying tank body, a speed reducer is mounted in the middle of the top of the outer wall of the drying tank body, and a servo motor is mounted on the upper portion of the speed reducer. The speed reducer is located on an output shaft of the servo motor, a feeding valve is installed on one side of the top of the drying tank body, a drying machine is installed on the other side of the top of the drying tank body, a coupler is installed on the upper portion of the interior of the drying tank body, and a stirring shaft is installed on the lower portion of the coupler. According to the scheme, the problems that in the using process of an existing silicon powder drying and recycling device, due to the fact that silicon powder is wet and prone to clustering and adhering together, the silicon powder is heated unevenly, the silicon powder drying and recycling efficiency is low, the drying time is long, and silicon powder discharging is prone to blockage after drying are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a silicon powder drying and recycling device technical field, concretely to a silicon powder drying and recycling device. BACKGROUND

[0002] Silicon powder, also known as micro-silicon powder, is also known as "silica ash" and "silica ash". It is the smoke dust collected and processed by special collection devices during the high-temperature smelting of industrial silicon and ferrosilicon in industrial electric furnaces.

[0003] For example, a silicon powder recycling device with publication number CN213537295U, which includes a storage tank, a drying chamber, a powder collecting chamber, and a powder conveying pump. The storage tank has an inlet, and the storage tank is located above the drying chamber and is in communication with the drying chamber. A valve is provided at the communication position. The drying chamber is equipped with a heating device, and the bottom of the drying chamber is equipped with a stirring plate and a motor to drive the stirring plate. The powder collecting chamber is fixedly connected to one side of the drying chamber, and the bottom of the powder collecting chamber is suspended and has an outlet. The powder conveying pump includes an inlet and an outlet, and the inlet extends into the drying chamber and is located above the drying chamber. The outlet extends into the powder collecting chamber.

[0004] The above device is used in the process of silicon powder due to moisture and easy to stick together, make silicon powder uneven heating, leading to low silicon powder drying and recycling efficiency, long drying time, and the dried silicon powder discharge is easy to block; therefore, we propose a silicon powder drying and recycling device to solve the problems mentioned above. Utility model content

[0005] The utility model aims at providing a silicon powder drying and recycling device to solve the problems of uneven heating of silicon powder, low silicon powder drying and recycling efficiency, long drying time, and easy blockage of dried silicon powder discharge.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: a kind of silicon powder drying recovery device, including drying tank body, the middle position of the top of the outer wall of drying tank body is equipped with speed reducer, the upper portion of speed reducer is equipped with servo motor, the output shaft of servo motor is located in the speed reducer, the side of the top of drying tank body is equipped with feed valve, the other side of the top of drying tank body is equipped with dryer, the upper portion in drying tank body is equipped with shaft coupling, the lower portion of shaft coupling is equipped with stirring shaft, the speed reducer is connected with stirring shaft by shaft coupling, the upper portion, middle portion and lower portion of stirring shaft are equipped with stirring plate, stirring plate is fixed to the left and right sides of stirring shaft annular side face symmetrically, the bottom surface of drying tank body is circular arc structure, the middle position of the lower portion of drying tank body is equipped with discharge valve, the bottom of discharge valve is equipped with recovery tank.

[0007] Preferably, the outer wall of the stirring plate is provided with an electric heating wire.

[0008] Preferably, the lower portion of the drying tank body is provided with a scraper on both sides, the lower portion of the stirring shaft is fixedly provided with a scraper connecting rod, the scraper is connected with the stirring shaft through the scraper connecting rod, and the plane where the scraper connecting rod is located is between the two stirring plates at the lower portion of the stirring shaft.

[0009] Preferably, a reinforcing rod is installed between the scraper and the stirring shaft, and the plane where the reinforcing rod is located is lower than the plane where the stirring plate is located.

[0010] Preferably, a humidity sensor is installed on one side of the upper portion of the drying tank body.

[0011] Preferably, the outer wall of the drying tank body is provided with a metal plate, and the inner wall of the drying tank body is provided with a non-stick coating.

[0012] Preferably, three pyramidal feet are installed around the bottom of the drying tank body, and the three pyramidal feet are provided with three, and a shock-absorbing foot pad is fixedly installed at the bottom of the three pyramidal feet.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] The utility model discloses a servo motor drives the rotation of the stirring board and the scraper, opens the drying machine, and the material is put into the drying tank jar body from the feed valve, and the drying machine and the electric heating wire carry out drying treatment to the material, and the humidity sensor is observed the humidity change of the drying tank jar body, judges whether the material is completed drying treatment, and after the humidity of the drying tank jar body reduces to the prescribed range, the speed of the stirring shaft is reduced through the speed reducer, can make the material that dries completely slowly drop to the discharge valve, and the material after drying enters the recovery box from the discharge valve, solve the problem that the existing silicon powder drying recovery device is easy to adhere together because of the silicon powder moisture in the process of using, makes the silicon powder unevenly heated, leads to the low silicon powder drying recovery efficiency, and the drying time is long, and the silicon powder discharge after drying is easy to block. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the whole structure schematic diagram of the utility model;

[0016] Figure 2 It is the internal structure schematic diagram of the utility model;

[0017] Figure 3 It is the front view cross section schematic diagram of the utility model;

[0018] Figure 4 It is the A place local enlarged view of the utility model;

[0019] In the drawing: 1, drying tank jar body;2, servo motor;3, speed reducer;4, feed valve;5, drying machine;6, coupling;7, stirring shaft;8, stirring board;9, electric heating wire;10, scraper connecting rod;11, scraper;12, reinforcing rod;13, humidity sensor;14, discharge valve;15, recovery box;16, three pyramids support leg;17, shock absorbing foot pad;18, metal plate;19, non-stick coating. DETAILED DESCRIPTION

[0020] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model, and apparently, the described embodiments only are a part of the embodiments of the utility model, not all the embodiments.

[0021] Please refer to Figures 1-4The utility model provides a kind of embodiment: a kind of silicon powder drying recovery device, including drying tank body 1, it is characterized by: the middle position of drying tank body 1 outer wall top is equipped with speed reducer 3, servo motor 2 is installed on the upper portion of speed reducer 3, speed reducer 3 is located on the output shaft of servo motor 2, drying tank body 1 top one side is equipped with feed valve 4, drying tank body 1 top other side is equipped with dryer 5, the upper portion of drying tank body 1 inside is equipped with shaft coupling 6, the lower portion of shaft coupling 6 is equipped with stirring shaft 7, speed reducer 3 is connected with stirring shaft 7 by shaft coupling 6, the upper portion, middle and lower portion of stirring shaft 7 are equipped with stirring plate 8, stirring plate 8 is fixed to the left and right sides of stirring shaft 7 annular side, the bottom surface of drying tank body 1 is circular arc structure, drying tank body 1 lower portion middle position is equipped with discharge valve 14, the bottom of discharge valve 14 is equipped with recovery tank 15.

[0022] Please refer to Figure 2 and Figure 4 Stirring plate 8 outer wall is equipped with electric heating wire 9, can make silicon powder heat evenly, effectively increase the drying efficiency of silicon powder.

[0023] Please refer to Figure 2 and Figure 3 The lower portion of drying tank body 1 inside is equipped with scraper 11, stirring shaft 7 is fixedly installed with scraper connecting rod 10, scraper 11 is connected with stirring shaft 7 by scraper connecting rod 10, the plane where scraper connecting rod 10 is located is between the two stirring plates 8 of the lower portion of stirring shaft 7, avoid that silicon powder is gathered in the junction of the side wall and the circular arc bottom surface in the inside of drying tank body 1, increase the recovery efficiency of silicon powder, avoid the problem that dried silicon powder discharging is easily blocked.

[0024] Please refer to Figure 2 and Figure 3 Reinforcing rod 12 is installed between scraper 11 and stirring shaft 7, the plane where reinforcing rod 12 is located is lower than the plane where stirring plate 8 is located, increase the stability of scraper 11.

[0025] Please refer to Figure 1 and Figure 2 Humidity sensor 13 is installed on one side of the upper portion of drying tank body 1, can monitor the humidity in the inside of drying tank body 1 at any time, when humidity reaches requirement, can complete the drying of silicon powder in the inside of drying tank body 1.

[0026] Please refer to Figure 4 The outer wall of drying tank body 1 is provided with metal plate 18, can reduce the conduction of heat, plays the role of heat preservation, increase the drying efficiency of silicon powder, the inner wall of drying tank body 1 is provided with non-stick coating 19, avoid that silicon powder is adhered to the inner wall of drying tank body 1 when rotating drying, improve the recovery efficiency of silicon powder.

[0027] Please refer toFigure 1 、 Figure 2 and Figure 3 The three-prism-shaped supporting legs 16 are arranged around the bottom of the drying tank body 1, and the three-prism-shaped supporting legs 16 are provided with three supporting legs, facilitating the support and fixation of the drying tank body 1, and the shock-absorbing foot pads 17 are fixedly arranged at the bottom of the three-prism-shaped supporting legs 16, buffering the drying tank body 1 and increasing the stability of the drying tank body 1.

[0028] Working principle: when in use, the servo motor 2 is opened, the servo motor 2 drives the stirring shaft 7 to rotate through the shaft coupling 6, the rotation of the stirring shaft 7 drives the rotation of the stirring plate 8 and the scraper 11, the dryer 5 is opened, the material is put into the drying tank body 1 from the feeding valve 4, the dryer 5 and the electric heating wire 9 dry the material, the humidity sensor 13 is used to observe the humidity change in the drying tank body 1, to determine whether the material is dried, when the humidity in the drying tank body 1 is reduced to a specified range, the speed of the stirring shaft 7 is reduced through the speed reducer 3, so that the dried material slowly falls to the discharging valve 14, and the dried material enters the recycling box 15 from the discharging valve 14.

[0029] It is apparent for those skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments, but rather can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered in all respects as illustrative and not restrictive, the scope of the present application being indicated by the appended claims rather than that of the above description, and it is intended to include all changes coming within the meaning and equivalency range of the claims. Any reference signs in the claims should not be regarded as limiting the claims involved.

Claims

1. A silicon powder drying and recycling device comprising a drying tank body (1), characterized in that: The middle position of the outer wall top of the drying tank body (1) is provided with a speed reducer (3), the upper part of the speed reducer (3) is provided with a servo motor (2), the speed reducer (3) is located on the output shaft of the servo motor (2), one side of the top of the drying tank body (1) is provided with a feeding valve (4), the other side of the top of the drying tank body (1) is provided with a dryer (5), the upper part of the inside of the drying tank body (1) is provided with a shaft coupling (6), the lower part of the shaft coupling (6) is provided with a stirring shaft (7), the speed reducer (3) is connected with the stirring shaft (7) through the shaft coupling (6), the upper part, the middle part and the lower part of the stirring shaft (7) are provided with stirring plates (8), the stirring plates (8) are symmetrically fixed to the left and right sides of the annular side of the stirring shaft (7), the outer wall of the stirring plate (8) is provided with an electric heating wire (9), the bottom surface of the drying tank body (1) is of a circular arc structure, the middle position of the lower part of the drying tank body (1) is provided with a discharging valve (14), the bottom of the discharging valve (14) is provided with a recovery box (15), the lower parts of both sides of the inside of the drying tank body (1) are provided with scrapers (11), the lower part of the stirring shaft (7) is fixedly provided with a scraper connecting rod (10), the scraper (11) is connected with the stirring shaft (7) through the scraper connecting rod (10), the plane where the scraper connecting rod (10) is located is between the two stirring plates (8) of the lower part of the stirring shaft (7).

2. The device for drying and recycling silicon powder according to claim 1, characterized in that: A reinforcing rod (12) is installed between the scraper (11) and the stirring shaft (7), and the plane where the reinforcing rod (12) is located is lower than the plane where the stirring plate (8) is located.

3. The device for drying and recycling silicon powder according to claim 1, characterized in that: A humidity sensor (13) is installed on one side of the upper part of the drying tank body (1).

4. The device for drying and recycling silicon powder according to claim 1, characterized in that: A metal plate (18) is arranged on the outer wall of the drying tank body (1), and a non-stick coating (19) is arranged on the inner wall of the drying tank body (1).

5. The device for drying and recovering silicon powder according to claim 1, characterized in that: Three pyramid-shaped supporting legs (16) are installed around the bottom of the drying tank body (1), and the three pyramid-shaped supporting legs (16) are provided with three shock-absorbing foot pads (17) fixedly installed at the bottom of the three pyramid-shaped supporting legs (16).

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