Quartz sand cleaning equipment for silica powder production

Abstract

The invention relates to the technical field of quartz sand cleaning equipment, and discloses quartz sand cleaning equipment for silica powder production, which comprises a machine body, a working cavity is arranged in the machine body, rollers are mounted in the working cavity of the machine body, and a driving motor is mounted outside the machine body. According to the quartz sand cleaning equipment for silica powder production, through cooperation of gear transmission, a feeding wheel can be driven when a rolling wheel works, so that constant-speed feeding of the quartz sand cleaning equipment for silica powder production can be achieved, the sputtering problem caused by direct falling of quartz sand can be solved, meanwhile, a feeder is installed and connected through a connecting base, and through cooperation of a discharging blocking piece, the feeding efficiency is improved. According to the quartz sand cleaning equipment, the bottom outlet of the feeder can be shrunk when quartz sand is fed too fast due to excessive quartz sand in the feeder, so that the problem that the quartz sand is not cleaned thoroughly due to too fast feeding is solved, the cleaning efficiency of the quartz sand cleaning equipment is guaranteed, and the automatic balance function of the feeding amount of the equipment is achieved.

Description

Technical Field

[0001] This invention relates to the field of quartz sand cleaning equipment technology, specifically to a quartz sand cleaning equipment for silicon micropowder production. Background Technology

[0002] Silica powder is a silicate mineral powder made from natural quartz through processes such as sorting, crushing, washing, and acid leaching purification. Its main component is silicon dioxide, and its raw material is mainly quartz sand. At present, the cleaning of quartz sand in the production of silica powder is generally achieved by using a wheel-type sand washing machine.

[0003] Existing wheel-type sand washing machines mainly clean quartz sand by tumbling the impeller in water. In the actual production process of silicon micro powder, the quartz sand raw material enters the sand washing machine from one side. The impeller rotates slowly under the drive, causing the quartz sand to rub against each other and be cleaned. At the same time, the quartz sand is discharged from the other side of the sand washing machine along with the rotation of the impeller, and enters the next production stage of silicon micro powder.

[0004] However, in actual production, the feeding speed of quartz sand is uncontrollable and mainly depends on the efficiency of the previous production process. When the amount of quartz sand entering the wheel sand washing machine is large, it is easy to cause poor cleaning effect, and it is necessary to add a cleaning step to ensure that the quartz sand can meet the production requirements of silicon micro powder. Moreover, the existing quartz sand washing equipment cannot discharge the wastewater deposited at the bottom in time. As the equipment working time increases, the cleaning effect is prone to deterioration, affecting the production quality of silicon micro powder and reducing its production efficiency. Using equipment such as water pumps to extract wastewater will increase energy consumption, and the continuous discharge of water from the equipment will also reduce the utilization efficiency of the cleaning water source, resulting in waste of water resources. Summary of the Invention

[0005] In view of the shortcomings of existing quartz sand cleaning equipment mentioned in the background art, the present invention provides a quartz sand cleaning equipment for silicon micropowder production, which has the advantages of preventing excessive feeding and regularly discharging sewage from the bottom of the machine to ensure the water source cleaning efficiency of each part of the equipment. It solves the technical problems mentioned in the background art, such as poor cleaning effect caused by excessive feeding and the inability to discharge sewage settled at the bottom of the equipment in a timely manner, which affects the cleaning effect.

[0006] This invention provides the following technical solution: a quartz sand cleaning device for silicon micropowder production, comprising a machine body, an internal working chamber, rollers installed inside the working chamber, a drive motor installed outside the machine body, the output shaft of the drive motor being connected to the central shaft of the rollers via a reduction gearbox, a discharge plate on the outer side of the machine body, a feeder installed on the feed side of the machine body, a discharge baffle below the feeder, a drain chamber below the internal cleaning chamber of the machine body, a side door panel on the outer side of the drain chamber, a sealing plate installed inside the drain chamber, a movable plate connected to the bottom of the internal machine body, and a water spray component installed on the feed side of the machine body.

[0007] Preferably, the central axis of the roller is concentric with the central axis of the internal cleaning space of the machine body, the inside of the roller is connected with blades, the blades are evenly distributed in a ring, the outer edge of the roller is connected with side plates, the side plates are located at the outer end of the blades, and the side plates are evenly distributed between the blades; the outer end of the central axis of the roller is connected with a drive gear.

[0008] Preferably, the drain chamber is located inside the machine body, and an overflow port is provided at the top of the right end of the drain chamber. A drain plate is provided at the bottom of the working chamber inside the machine body. The inner diameter of the filter holes of the overflow port and the drain plate is smaller than the outer diameter of the quartz sand, so as to avoid the problem of quartz sand being discharged from the overflow port and the drain plate. At the same time, the bristles on the outside of the side plate can also clean the filter holes, avoid the problem of filter hole blockage, and ensure the smooth operation of the device. The bottom surface of the drain chamber is an inclined surface that allows water to flow towards the side door plate.

[0009] Preferably, the bottom of the sealing plate is connected to the bottom of the sewage chamber, the sealing plate is movably connected to the sewage chamber by a rod that can elastically extend and retract, the top of the sealing plate is snapped into the bottom of the drainage plate in its natural state, and a sealing rubber layer is connected at the position where the sealing plate contacts the drainage plate, and the top of the sealing plate is magnetic.

[0010] Preferably, the side plate is magnetic inside, and the magnetic polarity of the side plate relative to the sealing plate is the same as that of the sealing plate. When the side plate passes the sealing plate, the magnetic repulsion force generated on the sealing plate causes the sealing plate to leave the drainage plate. The side plate is connected to a brush bristle on its outer side, and the brush bristle contacts the inner wall of the machine body.

[0011] Preferably, the outer side of the movable plate is movably connected to the inner wall of the machine body and the sewage discharge chamber through a soft material, the bottom of the movable plate is connected to the top of the sealing plate, and the movable plate forms a corresponding semicircle with the internal working cavity of the machine body when the sealing plate moves. When the sealing plate moves, the movable plate also moves down.

[0012] Preferably, the bottom of the feeder is connected to the machine body via a connecting base. The connecting base is a telescopic structure composed of a telescopic spring and a freely telescopic rod. The rod is an arc-shaped structure, and the center of its arc is concentric with the roller. When there is too much quartz sand inside the feeder, the connecting base shortens and the feeder moves downward. Inside the feeder, a feed wheel is installed via a rotating shaft. The outer end of the feed wheel shaft is connected to a driven gear located outside the feeder. The driven gear is linked to the driving gear via a gear transmission belt. The rotation of the roller drives the rotation of the feed wheel.

[0013] Preferably, the feeding baffle is mounted on the machine body via a torsion spring shaft, and the feeding baffle is located at the bottom outlet of the feeder. Under normal conditions, the feeding baffle will not block the bottom outlet of the feeder. When the feeder moves down, the left end of the feeding baffle is pressed, causing the right end of the feeding baffle to deflect and close part of the bottom outlet of the feeder.

[0014] The present invention has the following beneficial effects: 1. This invention, through gear transmission, enables the feeding wheel to be driven during roller operation, thereby achieving uniform feeding of the quartz sand washing equipment for silicon micropowder production. It also reduces the splashing problem caused by direct falling quartz sand. Simultaneously, by connecting the feeder to the base and through the cooperation of the discharge baffle, the bottom outlet of the feeder can be narrowed when there is too much quartz sand inside the feeder and the quartz sand feeds too fast. This avoids the problem of incomplete quartz sand washing caused by excessive feeding, ensures the cleaning efficiency of the quartz sand washing equipment, and realizes the automatic balancing function of the equipment's feed volume.

[0015] 2. This invention, by setting a drain chamber at the bottom of the machine body and cooperating with an overflow port, can avoid the overflow problem caused by excessive water level inside the machine body, which facilitates the maintenance of the production environment. Through the action of the drain plate, the sewage deposited at the bottom of the machine body can be discharged. At the same time, through the cooperation of the repulsion of the same polarity magnetic force of the sealing plate and the side plate, the sewage deposited at the bottom of the machine body can be periodically discharged, reducing water waste, improving water resource utilization, and ensuring the cleaning effect of the water source inside the machine body on the quartz sand.

[0016] 3. This invention connects a movable plate inside the machine body and attaches the movable plate to one end of the sealing plate. This allows the movable plate to move while the sealing plate moves, which promotes the entry of quartz sand into the machine body and facilitates the settling of the cleaning water inside the equipment. This also makes it easier to discharge sewage from the bottom overflow port. In addition, it increases the friction between the quartz sand particles, thereby improving the quartz sand cleaning effect of the equipment. Attached Figure Description

[0017] Figure 1 A schematic diagram of the overall structure of the invention; Figure 2 This is a schematic diagram of the outer structure of the present invention; Figure 3 This is a partial cross-sectional structural diagram of the present invention; Figure 4 For the present invention Figure 3 Enlarged structural diagram at point A; Figure 5 For the present invention Figure 3 A magnified structural diagram at point B in the middle.

[0018] In the diagram: 1. Machine body; 2. Roller; 21. Blade; 22. Side plate; 23. Drive gear; 3. Feeder; 31. Feed wheel; 311. Driven gear; 32. Connecting base; 4. Discharge baffle; 5. Sealing plate; 51. Sealing sleeve; 6. Drainage chamber; 61. Overflow port; 62. Drainage plate; 7. Movable plate; 8. Side door panel; 9. Drive motor; 10. Discharge plate; 11. Water spray component. Detailed Implementation

[0019] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0020] Please see Figure 1-2 A quartz sand washing device for silicon micropowder production includes a body 1. A drive motor 9 is installed on the outside of the body 1 and is connected to an external power source. The output shaft of the drive motor 9 is connected to a reduction gear installed on the outside of the body 1 via a transmission belt. A roller 2 is movably installed inside the body 1. The central shaft of the roller 2 is movably connected to the body 1, and the central shaft of the roller 2 is connected to the output shaft of the reduction gear on the outside of the body 1. When the drive motor 9 is working, it can drive the roller 2 to... Figure 1 The machine rotates slowly counterclockwise. A discharge plate 10 is located at the outer end of the machine body 1. After being cleaned, the quartz sand in the rollers 2 is discharged onto the discharge plate 10 as the rollers 2 rotate. The quartz sand then enters the next stage of the silicon micropowder production line from the discharge plate 10. This is existing technology and will not be described further here; please refer to [link to relevant documentation]. Figure 3 A feeder 3 is installed at the inlet of the machine body 1. Inside the feeder 3, a feed wheel 31 is movably connected via a rotating shaft. Please refer to [link / reference]. Figure 2The end of the feed wheel 31 extending to the outside of the feeder 3 is connected to the driven gear 311, and the outer end of the roller 2 is connected to the driving gear 23. The driving gear 23 and the driven gear 311 are linked through a gear belt transmission structure. When the roller 2 starts working, it can drive the feed wheel 31 to rotate, so that the quartz sand entering the feed wheel 31 can enter the machine body 1 at a uniform speed, which plays a buffering role and avoids the problem of too much quartz sand being discharged at one time in the previous production process, which would reduce the cleaning effect of the equipment. This improves the cleaning effect of the quartz sand cleaning equipment and makes the quartz sand cleaning equipment more suitable for the production of silicon micro powder.

[0021] Please see Figure 4 The bottom of the feeder 3 is connected to the machine body 1 via a connecting base 32. The connecting base 32 consists of a telescopic spring and a telescopic rod that can extend and retract freely. The telescopic rod has an arc-shaped structure, with the arc of the arc centered on the rotation axis of the roller 2. This ensures that the extension and retraction of the connecting base 32 under pressure does not affect the linkage between the driven gear 311 and the driving gear 23. A discharge baffle 4 is also provided below the bottom outlet of the feeder 3. The bottom of the discharge baffle 4 is connected to the machine body 1, and one end of the discharge baffle 4 is connected to the torsion spring shaft. In its natural state, the outer side of the discharge baffle 4 is in a vertical position. When the feeder 3 receives too much material, the amount of quartz sand entering the machine body 1 at one time will also increase. At this time, its overall mass increases and exceeds the elastic support force of the connecting base 32, causing the connecting base 32 to contract and the feeder 3 to move downward. As the feeder 3 moves downward, it applies pressure to the left end of the discharge baffle 4, while the right end of the discharge baffle 4 deflects upward. This reduces the bottom outlet of the feeder 3. When the material level inside the feeder 3 returns to the standard value, the feeder 3 returns to its original position, and the discharge baffle 4 also returns to its original position, allowing the bottom discharge opening of the feeder 3 to open normally. Through the cooperation of the feeder 3 and the discharge baffle 4, the discharge of the feeder 3 can be balanced, enabling the equipment to automatically balance the feeding rate and avoid the problem of incomplete quartz sand cleaning caused by excessive loss of external pressure. This improves the quartz sand cleaning efficiency and enhances the quartz sand cleaning effect. A water spray component 11 is configured below the discharge baffle 4. The water spray component 11 is installed on the machine body 1 and is connected to an external high-pressure water source. When the equipment starts working, it can spray high-pressure water at the feeding position of the machine body 1 to rinse the quartz sand, replenish the water source inside the machine body 1, and promote the quartz sand to enter the machine body 1 for cleaning, thus improving the quartz sand cleaning efficiency of the equipment.

[0022] Please see Figure 3The internal structure of the machine body 1 is a semi-circular arc structure coaxial with the roller 2. A drain chamber 6 is provided inside the machine body 1, located below the roller 2. An overflow port 61 is located on the right side of the top of the drain chamber 6. The filter holes of the overflow port 61 are smaller than the diameter of the quartz sand, preventing most of the quartz sand from entering the drain chamber 6. When the water level inside the machine body 1 is too high, overflow can be achieved through the overflow port 61, preventing water from overflowing from the machine body 1. Multiple blades are connected internally to the roller 2. 21. The blades 21 are evenly distributed in a ring shape within the roller 2, enabling the washing and discharge of quartz sand. Multiple evenly distributed side plates 22 are connected to the outer edge of the roller 2. The side plates 22 are spaced apart from the blades 21, and bristles are connected to the outer side of the side plates 22. These bristles contact the inner wall of the machine body 1, providing a brushing effect on the outside of the quartz sand, thus improving the washing efficiency of the equipment. Simultaneously, the brushing of the inner wall of the machine body 1 by the side plates 22 also prevents the overflow port 61 from becoming clogged. Please refer to [link / reference]. Figure 5 A drain plate 62 is installed at the center of the top of the sewage discharge chamber 6. The drain plate 62 connects the inside of the machine body 1 with the sewage discharge chamber 6. The filter holes of the drain plate 62 are smaller than the outer diameter of the quartz sand to prevent the quartz sand from leaking out. Below the drain plate 62, a sealing plate 5 is installed inside the sewage discharge chamber 6. The bottom of the sealing plate 5 is connected to the bottom of the sewage discharge chamber 6 by a flexible telescopic rod. The outside of the flexible telescopic rod is equipped with a sealing sleeve 51 to prevent sewage from corroding the components. In its natural state, the top of the sealing plate 5 is movably inserted into the drain plate 62. The side of the top of the sealing plate 5 that contacts the drain plate 62 is connected to a rubber layer, which uses the elasticity of the rubber to ensure the sealing performance of the sealing plate 5 to the drain plate 62. At the same time, a magnetic block is connected inside the top of the sealing plate 5, and a magnetic block is also connected inside the side plate 22. The opposite sides of the sealing plate 5 and the side plate 22 have the same magnetism. When the sealing plate 5 and the side plate 22 are close together, the magnetic repulsion can shorten the connecting piece at the bottom of the sealing plate 5. Therefore, when the side plate 22 moves closer to the drainage plate 62 with the operation of the roller 2, the sealing plate 5 moves down away from the drainage plate 62. At this time, the sewage at the bottom of the machine body 1 can be discharged into the sewage discharge chamber 6 through the drainage plate 62, realizing the effect of periodic overflow at the bottom. It can discharge the sewage inside the machine body 1 in time and can adapt to the situation where most of the main pollutants in the sewage settle at the bottom. At the same time, with the water supply replenishment effect of the water spray component 11, it can maintain the cleaning efficiency of the equipment for quartz sand and avoid the problem that the sewage accumulated at the bottom of the traditional structure machine body 1 cannot be discharged in time. At the same time, it does not require driving accessories such as water pumps, which improves energy efficiency and is beneficial to the production and operation of the silicon micro powder production line.

[0023] Please see Figure 3 The top of the drain chamber 6, near the feed inlet of the machine body 1, is also connected to a movable plate 7. The movable plate 7 is movably connected to the inner walls of the machine body 1 and the drain chamber 6 by a soft material. Please refer to [link / reference]. Figure 5The bottom of the movable plate 7 is connected to the top of the sealing plate 5. When the sealing plate 5 moves down to allow sewage overflow and discharge, thereby increasing the cleaning effect of the equipment on quartz sand, the movable plate 7 also moves down, increasing the internal space of the machine body 1. This also promotes the entry of quartz sand into the machine body 1 and increases the contact time between the quartz sand particles inside the machine body 1. When the sealing plate 5 returns to its original position, the movable plate 7 also returns to its original position, restoring the internal structure of the machine body 1 to its initial position. At this time, when the roller 2 passes through the inner wall of the machine body 1, it can greatly increase the friction between the quartz sand particles, thereby improving the cleaning efficiency of the equipment on the quartz sand and facilitating the discharge of the quartz sand as the roller 2 rotates. At the same time, the movement of the movable plate 7 can also promote the settling of dust contained in the cleaning water inside the machine body 1 to the bottom, which is beneficial for the discharge of sewage from the drain plate.

[0024] Please see Figure 3 The right side of the sewage discharge chamber 6 is also equipped with a side door panel 8 installed on the body 1. The side door panel 8 is movably connected by a hinge, and a sealing strip is connected to the inner side of the side door panel 8 at the position where it contacts the body 1. The outside of the side door panel 8 is equipped with a latch that cooperates with the outside of the body 1, which can realize the closure and fixation of the side door panel 8, and also facilitate the opening of the side door panel 8. At the same time, the bottom of the side door panel 8 is connected to the external pipeline, which can facilitate the discharge of sewage in the sewage discharge chamber 6.

[0025] The working principle of this invention is as follows: The quartz sand washing equipment is installed at the corresponding position on the silicon micropowder production line, allowing the quartz sand raw material to enter the equipment from the feeder 3 and be discharged from the discharge plate 10 to the next processing stage of the production line. The power supply is connected, and before use, the power is turned on to allow the equipment to idle. After checking that all components are in good working order, it is put into use. The water spray component 11 is connected to an external water pipe and generates a high-pressure water flow. The quartz sand to be washed enters the feeder 3 from the top. The output of the drive motor 9, after being reduced by the reduction gear, drives the roller 2... Figure 1The roller 2 rotates slowly counterclockwise. Simultaneously, the rotating roller 23 drives the driven gear 311 to rotate, thus rotating the feed roller 31. This allows the quartz sand inside the feeder 3 to enter the machine body 1 from the bottom of the feeder 3. When there is too much quartz sand inside the feeder 3, the overall mass of the feeder 3 increases, causing the connecting base 32 to contract under pressure. The feeder 3 moves downward along the arc of the roller 2, and the discharge baffle 4 is deflected by the pressure of the feeder 3, partially blocking the bottom outlet of the feeder 3. Ultimately, this achieves a horizontal discharge of quartz sand from the feeder 3. When the feeder 3 is stable and there is no excess quartz sand inside, the connecting base 32 returns to its original position, and the discharge baffle 4 also returns to its original position. Simultaneously, the water spray component 11 sprays high-pressure water to wash the quartz sand entering the machine body 1. As the quartz sand enters the machine body 1, the roller 2 rotates, promoting friction and washing between the quartz sand particles. At the same time, the bristles on the outside of the side plate 22 also achieve a friction cleaning effect on the quartz sand, causing dirt, dust, and other adhering particles to the outside of the quartz sand to fall off. The washed quartz sand enters the blade 21 as the roller 2 rotates. When the blade 21 passes... When the discharge plate 10 is reached, the cleaned quartz sand falls onto the discharge plate 10 and is discharged from the discharge plate 10 to the next stage of the silicon micro powder production line; when the side plate 22 passes the drainage plate 62 as the roller 2 rotates, the magnetic repulsion of the side plate 22 causes the sealing plate 5 to move downward. At this time, the holes on the drainage plate 62 are open, and the sewage at the bottom of the machine body 1 flows from the drainage plate 62 into the sewage discharge chamber 6 and is discharged through the sewage discharge pipe on the side door plate 8. When the side plate 22 moves away from the drainage plate 62, the sealing plate 5 re-closes the drainage plate 62 under the action of the bottom connecting spring, and at the same time, the side plate When the 22 passes the drainage plate 62, the bristles on the outside of the side plate 22 will have a clearing effect on the drainage plate 62, so that the drainage plate 62 will not be blocked; as the sealing plate 5 moves down with the side plate 22, it will drive the movable plate 7 to move down, which will increase the residence time of the quartz sand inside the machine body 1 and the friction between them. At the same time, when the liquid level inside the machine body 1 is too high, the excess water will flow from the overflow port 61 into the sewage discharge chamber 6 for discharge; when the equipment needs to be maintained and cleaned in the future, the side door plate 8 on the side of the machine body 1 can be opened to clean the inside of the machine body 1.

[0026] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0027] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A quartz sand washing device for silicon micro powder production, comprising a machine body (1), a working chamber provided inside the machine body (1), rollers (2) installed inside the working chamber of the machine body (1), a drive motor (9) installed outside the machine body (1), the output shaft of the drive motor (9) being connected to the central rotating shaft of the rollers (2) through a reduction gearbox, and a discharge plate (10) provided on the outer side of the machine body (1), characterized in that: A feeder (3) is installed on the feeding side of the machine body (1). A discharge baffle (4) is provided below the feeder (3). A drain chamber (6) is provided below the internal cleaning chamber of the machine body (1). A side door panel (8) is provided on the outside of the drain chamber (6). A sealing plate (5) is installed inside the drain chamber (6). A movable plate (7) is connected to the bottom inside the machine body (1). A water spraying component (11) is installed on the feeding side of the machine body (1).

2. The quartz sand washing equipment for silicon micropowder production according to claim 1, characterized in that: The central axis of the roller (2) is concentric with the central axis of the cleaning space inside the machine body (1). The roller (2) is connected to blades (21), which are evenly distributed in a ring. The outer edge of the roller (2) is connected to a side plate (22), which is located at the outer end of the blades (21) and is evenly distributed between the blades (21). The outer end of the central axis of the roller (2) is connected to a drive gear (23).

3. The quartz sand washing equipment for silicon micropowder production according to claim 2, characterized in that: The drain chamber (6) is located inside the body (1), and an overflow port (61) is provided at the top right end of the drain chamber (6). A drain plate (62) is provided at the bottom of the working chamber inside the body (1). The inner diameter of the filter holes of the overflow port (61) and the drain plate (62) is smaller than the outer diameter of the quartz sand. The bottom surface of the drain chamber (6) is an inclined surface that allows water to flow to the side door panel (8).

4. The quartz sand washing equipment for silicon micropowder production according to claim 3, characterized in that: The bottom of the sealing plate (5) is connected to the bottom of the sewage chamber (6). The sealing plate (5) is movably connected to the sewage chamber (6) through a rod that can elastically extend and retract. The top of the sealing plate (5) is naturally engaged with the bottom of the drainage plate (62). A sealing rubber layer is connected at the position where the sealing plate (5) contacts the drainage plate (62). The top of the sealing plate (5) is magnetic.

5. The quartz sand washing equipment for silicon micropowder production according to claim 3, characterized in that: The side plate (22) is magnetic inside, and the magnetic polarity of the side plate (22) relative to the sealing plate (5) is the same as that of the sealing plate (5). When the side plate (22) passes the sealing plate (5), the magnetic repulsion force generated on the sealing plate (5) causes the sealing plate (5) to leave the drainage plate (62). The side plate (22) is connected to the outer side with bristles, which are in contact with the inner wall of the body (1).

6. The quartz sand washing equipment for silicon micropowder production according to claim 4, characterized in that: The outer side of the movable plate (7) is movably connected to the inner wall of the body (1) and the sewage discharge chamber (6) through a soft material. The bottom of the movable plate (7) is connected to the top of the sealing plate (5). When the sealing plate (5) is in its natural state, the movable plate (7) forms a corresponding semicircle with the working cavity inside the body (1). When the sealing plate (5) moves, the movable plate (7) also moves down.

7. The quartz sand washing equipment for silicon micropowder production according to claim 2, characterized in that: The bottom of the feeder (3) is connected to the machine body (1) through the connecting base (32). The connecting base (32) is a telescopic structure composed of a telescopic spring and a free telescopic rod. The rod is an arc-shaped structure, and the center of its arc is concentric with the roller (2). When there is too much quartz sand inside the feeder (3), the connecting base (32) shortens and the feeder (3) moves down. The feeder (3) is also equipped with a feed wheel (31) through a rotating shaft. The outer end of the rotating shaft of the feed wheel (31) is connected to a driven gear (311) located outside the feeder (3). The driven gear (311) is linked with the driving gear (23) through a gear transmission belt. The rotation of the roller (2) drives the feed wheel (31) to rotate.

8. The quartz sand washing equipment for silicon micropowder production according to claim 7, characterized in that: The feeding baffle (4) is mounted on the machine body (1) via a torsion spring shaft, and the feeding baffle (4) is located at the bottom outlet of the feeder (3). Under normal conditions, the feeding baffle (4) will not block the bottom outlet of the feeder (3). When the feeder (3) moves down, the left end of the feeding baffle (4) is pressed, causing the right end of the feeding baffle (4) to deflect and close part of the bottom outlet of the feeder (3).

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