Furnace-front stirring equipment for industrial silicon processing

Abstract

The invention relates to the technical field of industrial silicon processing, and particularly discloses industrial silicon processing furnace front stirring equipment which comprises a stirring tank, a feeding pipeline is arranged at the top of the side wall of the stirring tank, and a discharging pipeline and a stirring assembly are arranged at the bottom of the stirring tank. The driving mechanism is arranged at the top of the stirring tank, the hollow shaft is rotationally connected into the stirring tank and is driven by the driving mechanism to rotate, the transverse stirring frame is arranged on the side wall of the hollow shaft, the connecting shaft is vertically connected into the hollow shaft in a sliding mode, and a plurality of through grooves are evenly formed in the side wall of the hollow shaft; a vertical stirring frame penetrating through the through groove is arranged on the side wall of the connecting shaft; according to the vertical stirring tank, the problem that a traditional vertical stirring tank is influenced by the gravity of materials, the longitudinal stirring effect on the materials is poor, and the stirring period is long is solved.

Description

Technical Field

[0001] The present application relates to the technical field of industrial silicon processing, and specifically discloses a stirring device in front of an industrial silicon processing furnace. Background Art

[0002] Industrial silicon is an important non-ferrous alloy additive, widely used in alloy preparation, polysilicon production and organosilicon production. In the processing of industrial silicon, quartzite and vein quartz, whose main components are silicon dioxide, are usually used as raw materials. The raw materials are ground and fully mixed with carbonaceous reducing agents, where the carbonaceous reducing agents can reduce silicon dioxide in silica with carbon at high temperatures to generate silicon and carbon monoxide. The fully mixed mixture is passed into a submerged arc furnace for reaction to obtain pure industrial silicon, which is then crushed, cooled and dried to obtain industrial silicon products.

[0003] Among them, whether the raw material and the carbonaceous reducing agent are fully mixed is directly related to the degree of reduction reaction of the raw material. Usually, this step is carried out in a stirring tank. The stirring tanks mainly include horizontal stirring tanks and vertical stirring tanks. The horizontal stirring tank has a large structure and occupies a large space. In addition, some parts of the internal structure of the horizontal stirring tank are difficult to clean thoroughly. The stirring uniformity of the vertical stirring tank is relatively low. Affected by the gravity of the material, the longitudinal stirring effect of the material is poor, resulting in a long stirring cycle. Therefore, in view of this, the inventor provides an industrial silicon processing furnace front stirring equipment to solve the above problems. Summary of the invention

[0004] The purpose of the present invention is to solve the problem that the traditional vertical mixing tank is affected by the gravity of the material, has a poor stirring effect on the material in the longitudinal direction, and causes a long stirring cycle.

[0005] In order to achieve the above object, the basic scheme of the present invention provides an industrial silicon processing furnace front stirring device, comprising:

[0006] A stirring tank, wherein a feed pipe is provided on the top of the side wall of the stirring tank, and a discharge pipe is provided on the bottom of the stirring tank;

[0007] A stirring assembly, comprising a driving mechanism disposed on the top of the stirring tank, a hollow shaft rotatably connected in the stirring tank and driven to rotate by the driving mechanism, a transverse stirring frame disposed on the side wall of the hollow shaft, and a connecting shaft vertically slidably connected in the hollow shaft, wherein the side wall of the hollow shaft is evenly provided with a plurality of through grooves, and the side wall of the connecting shaft is provided with a vertical stirring frame passing through the through grooves;

[0008] An adjusting component drives the connecting shaft to slide vertically along the hollow shaft.

[0009] The principles and effects of this basic solution are:

[0010] Compared with the prior art, the present invention provides a hollow shaft and a connecting shaft, and respectively utilizes the hollow shaft and the connecting shaft to configure a horizontal stirring frame and a vertical stirring frame, and then utilizes an adjusting component to adjust the vertical movement of the connecting shaft. The vertical stirring frame can effectively form a vertical circulation flow of the material in the stirring tank. This circulation flow helps to eliminate dead corners and ensure that the materials in the entire tank can be fully stirred, so that raw materials such as quartzite and vein quartz and carbonaceous reducing agent can be stirred horizontally and vertically in the stirring tank at the same time to improve mixing efficiency and improve material flow; and the vertical stirring frame can produce strong convection and shearing effects, which helps to quickly break up agglomerations and lumps in the material, thereby achieving more uniform mixing; at the same time, it can prevent the material from depositing at the bottom of the stirring tank and maintain good material flow.

[0011] Further, the adjustment component comprises:

[0012] An adjustment groove provided on the side wall of the hollow shaft;

[0013] A sleeve is arranged at the outer end of the hollow shaft and is coaxial with the hollow shaft, wherein a guide groove with a smooth transition and a height difference is arranged inside the sleeve;

[0014] A guide column is slidably connected in the guide groove and passes through the adjustment groove to be connected with the connecting shaft.

[0015] Through this setting method, the adjustment groove and the guide column cooperate, so that when the driving mechanism drives the hollow shaft to rotate, the connecting shaft is also driven to rotate through the adjustment groove and the guide column, and the guide column slides along the guide groove, and the height difference of the guide groove is used to drive the connecting shaft to move vertically, thereby driving the connecting shaft to rotate while also driving the connecting shaft to move vertically. The setting of the guide column effectively extends the path of the guide groove, making the transition of the guide groove smoother, thereby avoiding the situation where the connecting shaft is stuck due to excessive vertical movement.

[0016] Furthermore, the adjusting groove and the guide pillar are two and are symmetrically arranged on the side walls of the hollow shaft and the connecting shaft respectively. The cross sections of the guide grooves are symmetrical to each other. When the two guide pillars slide along the guide grooves, the two guide pillars are located at the same height. This arrangement makes the force on the connecting shaft more balanced, thereby avoiding the connection shaft from being offset during vertical movement and plane rotation, and avoiding the connection shaft from getting stuck.

[0017] Furthermore, a partition is provided in the stirring tank, and the partition divides the stirring tank into a stirring chamber and an adjusting chamber, the horizontal stirring frame and the vertical stirring frame are both provided in the stirring chamber, and the sleeve is provided in the adjusting chamber. By providing a partition, the sleeve and the horizontal stirring frame and the vertical stirring frame can be separated to prevent dust from entering the sleeve when raw materials such as quartzite and vein quartz are mixed with the carbonaceous reducing agent and affecting the performance of the sleeve.

[0018] Furthermore, a water sprinkling cavity is provided inside the partition, a plurality of water sprinkling holes connected to the water sprinkling cavity are provided at the bottom of the partition, and a water inlet pipe connected to the water sprinkling cavity is provided on the side wall of the mixing tank. By providing the water sprinkling cavity and the water sprinkling holes, dust can be reduced when raw materials such as quartzite and vein quartz are mixed with the carbonaceous reducing agent, and their fluidity can be improved, which is convenient for subsequent mixing and transportation.

[0019] Furthermore, a water guide hole is provided at the connection between the hollow shaft and the partition, and a water guide groove is provided at the connection between the connecting shaft and the water guide hole, the connecting shaft is provided with a water channel connected to the water guide groove, and a water injection hole connected to the water channel is provided at the contact between the vertical stirring rack and the through groove. Through this arrangement, the water injection hole can flush out the raw materials such as quartzite, vein quartz and carbonaceous reducing agent on the wall of the through groove in time, so as to avoid the raw materials such as quartzite, vein quartz and carbonaceous reducing agent being impacted by the vertical stirring rack and the wall of the through groove and agglomerating, thereby affecting the mixing effect.

[0020] Furthermore, the water guide groove is slidably connected along the inside of the hollow shaft, and the water guide groove and the regulating groove are located in different vertical planes and are not connected to each other, so as to avoid water overflowing from the regulating groove and affecting the performance of the sleeve.

[0021] Furthermore, the length of the water guide groove is greater than the height difference of the guide groove, so that during the vertical movement of the connecting shaft, the water guide groove can be continuously connected with the water guide hole.

[0022] Further, the vertical stirring frame comprises:

[0023] An axis body is provided between the connecting shaft and the transverse stirring frame, one end of the axis body is slidably connected to the through groove, and the transverse stirring frame is provided with a vertical groove for accommodating the other end of the axis body to be slidably connected;

[0024] A stirring blade is sleeved on the shaft.

[0025] This arrangement utilizes the through groove and the vertical groove to limit and guide the two ends of the shaft body, thereby preventing the shaft body from tilting during the vertical movement.

[0026] Furthermore, the stirring blade is rotatably connected to the shaft, and a lever for moving the stirring blade is provided on the horizontal stirring frame, and a torsion spring is provided on the shaft. This arrangement allows the stirring blade to rotate by contacting the lever during vertical movement, while the elastic potential energy of the torsion spring causes the lever to continuously vibrate, thereby preventing raw materials such as quartzite, vein quartz, and carbonaceous reducing agent from adhering to the surface of the stirring blade. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without creative work.

[0028] Figure 1 The schematic diagram of the structure of an industrial silicon processing furnace front stirring device proposed in an embodiment of the present application is shown;

[0029] Figure 2 A schematic diagram of an adjustment component of a stirring device in front of an industrial silicon processing furnace proposed in an embodiment of the present application is shown;

[0030] Figure 3 A schematic diagram showing the coordination of a water guide groove and a water guide hole of a stirring device in front of an industrial silicon processing furnace proposed in an embodiment of the present application is shown;

[0031] Figure 4 A schematic diagram of a horizontal stirring frame and a vertical stirring frame of a stirring device in front of an industrial silicon processing furnace proposed in an embodiment of the present application is shown;

[0032] Figure 5 An exploded view of a vertical stirring frame of an industrial silicon processing furnace front stirring device proposed in an embodiment of the present application is shown;

[0033] Figure 6 Shows Figure 4 Enlarged view of part A. DETAILED DESCRIPTION

[0034] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined invention purpose, the specific implementation mode, structure, characteristics and effects of the present invention are described in detail below in combination with the accompanying drawings and preferred embodiments.

[0035] The figure marks in the drawings of the specification include: mixing tank 1, top cover 2, driving mechanism 3, partition 4, first feed pipe 5, second feed pipe 6, water inlet pipe 7, discharge pipe 8, sleeve 9, hollow shaft 10, horizontal stirring frame 11, connecting shaft 12, adjustment groove 13, guide column 14, guide groove 15, water guide hole 16, water guide groove 17, water channel 18, through groove 19, first slider 20, mixing blade 21, shaft 22, torsion spring 23, second slider 24, lever 25, vertical groove 26.

[0036] An industrial silicon processing furnace front stirring device, for example Figure 1 As shown: it includes a stirring tank 1 and a stirring component for stirring materials.

[0037] A top cover 2 is provided on the top of the stirring tank 1, and a first feed pipe 5 for feeding quartzite and vein quartz grinding raw materials and a second feed pipe 6 for feeding carbonaceous reducing agent are provided on the top side walls of the stirring tank 1; a discharge pipe 8 is provided at the bottom of the stirring tank 1.

[0038] like Figure 1 As shown: a partition 4 is provided in the stirring tank 1, and the partition 4 divides the stirring tank 1 into a stirring chamber and an adjusting chamber. The stirring assembly includes a driving mechanism 3 arranged on the top cover 2, a hollow shaft 10 rotatably connected in the stirring tank 1 and driven to rotate by the driving mechanism 3, a horizontal stirring frame 11 arranged on the side wall of the hollow shaft 10 and a connecting shaft 12 vertically slidably connected in the hollow shaft 10, the driving mechanism 3 adopts a motor, a plurality of through grooves 19 are evenly provided on the side wall of the hollow shaft 10, a vertical stirring frame passing through the through grooves 19 is provided on the side wall of the connecting shaft 12, and the horizontal stirring frame 11 and the vertical stirring frame are both arranged in the stirring chamber.

[0039] An adjusting component for adjusting the vertical movement of the connecting shaft 12 is provided in the adjusting cavity, and the adjusting component includes a sleeve 9 arranged at the outer end of the hollow shaft 10 and coaxial with the hollow shaft 10, an adjusting groove 13 symmetrically opened on the side wall of the hollow shaft 10, a guide groove 15 opened on the inner wall of the sleeve 9 and having a height drop and a smooth transition, and two guide pillars 14 slidably connected to the guide groove 15, one end of the two guide pillars 14 are slidably connected in the guide groove 15, and the other ends of the two guide pillars 14 pass through the adjusting groove 13 and are connected to the side wall of the connecting shaft 12, and the cross-sections of the guide groove 15 are symmetrical with each other, so that when the two guide pillars 14 slide along the guide groove 15, the two guide pillars 14 are located at the same height.

[0040] like Figure 3 As shown, a water sprinkling cavity is provided inside the partition 4, a plurality of water sprinkling holes connected to the water sprinkling cavity are provided at the bottom of the partition 4, a water inlet pipe 7 connected to the water sprinkling cavity is provided on the side wall of the mixing tank 1, a water guide hole 16 is provided at the connection between the hollow shaft 10 and the partition 4, and a water guide groove 17 is provided at the connection between the connecting shaft 12 and the water guide hole 16, the length of the water guide groove 17 is greater than the height difference of the guide groove 15, so that during the vertical movement of the connecting shaft 12, the water guide groove 17 can be continuously connected to the water guide hole 16; the water guide groove 17 is slidably connected along the inside of the hollow shaft 10, and the water guide groove 17 and the adjusting groove 13 are located in different vertical planes and are not connected to each other, so as to avoid water overflowing from the adjusting groove 13 and affecting the performance of the sleeve 9; a water channel 18 connected to the water guide groove 17 is provided inside the connecting shaft 12.

[0041] like Figure 4 and Figure 5As shown, the vertical stirring frame includes a shaft body 22 arranged between the connecting shaft 12 and the horizontal stirring frame 11 and a stirring blade 21 sleeved on the shaft body 22, one end of the shaft body 22 is slidably connected to the through groove 19 and is provided with a first slider 20, and the horizontal stirring frame 11 is provided with a vertical groove 26, the other end of the shaft body 22 is slidably connected to the vertical groove 26 and is provided with a second slider 24, a torsion spring 23 is provided on the shaft body 22, and the two ends of the torsion spring 23 are respectively connected to the shaft body 22 and the stirring blade 21, and the shaft body 22 is internally conductive, so that the side walls of the first slider 20 and the second slider 24 are provided with water injection holes connected to the water channel 18, and this setting enables the water injection holes to timely flush out the raw materials such as quartzite, vein quartz and the carbonaceous reducing agent on the wall of the through groove 19, so as to avoid the raw materials such as quartzite, vein quartz and the carbonaceous reducing agent being impacted by the vertical stirring frame and the wall of the through groove 19 and agglomerating, thereby affecting the mixing effect.

[0042] like Figure 6 As shown, a lever 25 for moving the stirring blade 21 is provided on the horizontal stirring frame 11, so that the stirring blade 21 contacts the lever 25 and rotates during the vertical movement. At the same time, the elastic potential energy of the torsion spring 23 causes the lever 25 to oscillate continuously, thereby preventing raw materials such as quartzite, vein quartz and carbonaceous reducing agent from adhering to the surface of the stirring blade 21.

[0043] The present invention provides a hollow shaft 10, a connecting shaft 12 and an adjusting component, so that when the driving mechanism 3 drives the hollow shaft 10 to rotate, the connecting shaft 12 is also driven to rotate through the adjusting groove 13 and the guide column 14, and the guide column 14 slides along the guide groove 15, and utilizes the height difference of the guide groove 15 to drive the connecting shaft 12 to move vertically, so that the connecting shaft 12 is driven to rotate and the connecting shaft 12 is also driven to move vertically. The vertical stirring frame can effectively form a vertical circulation flow of the material in the stirring tank 1, and this circulation flow helps to eliminate dead corners and ensure that the materials in the entire tank can be fully stirred, so that the raw materials such as quartzite and vein quartz and the carbonaceous reducing agent can be stirred horizontally and vertically in the stirring tank 1 at the same time, so as to improve the mixing efficiency and improve the material flow; and the vertical stirring frame can produce strong convection and shearing effects, which helps to quickly break the agglomeration and agglomeration in the material, so as to achieve more uniform mixing; at the same time, it can prevent the material from being deposited at the bottom of the stirring tank 1 and maintain good flow of the material.

[0044] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Although the present invention has been disclosed as a preferred embodiment as above, it is not used to limit the present invention. Any technical personnel in this field can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. An industrial silicon processing furnace front stirring device, characterized in that: include: A stirring tank, wherein a feed pipe is provided on the top of the side wall of the stirring tank, and a discharge pipe is provided on the bottom of the stirring tank; A stirring assembly, comprising a driving mechanism disposed on the top of the stirring tank, a hollow shaft rotatably connected in the stirring tank and driven to rotate by the driving mechanism, a transverse stirring frame disposed on the side wall of the hollow shaft, and a connecting shaft vertically slidably connected in the hollow shaft, wherein the side wall of the hollow shaft is evenly provided with a plurality of through grooves, and the side wall of the connecting shaft is provided with a vertical stirring frame passing through the through grooves; An adjusting component drives the connecting shaft to slide vertically along the hollow shaft.

2. The stirring device for industrial silicon processing furnace according to claim 1, characterized in that: The adjustment component comprises: An adjustment groove provided on the side wall of the hollow shaft; A sleeve is arranged at the outer end of the hollow shaft and is coaxial with the hollow shaft, wherein a guide groove with a smooth transition and a height difference is arranged inside the sleeve; A guide column is slidably connected in the guide groove and passes through the adjustment groove to be connected with the connecting shaft.

3. The stirring device for industrial silicon processing furnace according to claim 2, characterized in that: The two adjusting grooves and the guide pillars are symmetrically arranged on the side walls of the hollow shaft and the connecting shaft respectively. The cross sections of the guide grooves are symmetrical to each other. When the two guide pillars slide along the guide grooves, the two guide pillars are located at the same height.

4. The stirring device for industrial silicon processing furnace according to claim 2 or 3, characterized in that: A partition is arranged in the stirring tank, and the partition divides the stirring tank into a stirring chamber and an adjusting chamber. The horizontal stirring frame and the vertical stirring frame are both arranged in the stirring chamber, and the sleeve is arranged in the adjusting chamber.

5. The stirring device for industrial silicon processing furnace according to claim 4, characterized in that: A water sprinkling cavity is arranged inside the partition, a plurality of water sprinkling holes communicating with the water sprinkling cavity are arranged at the bottom of the partition, and a water inlet pipe communicating with the water sprinkling cavity is arranged on the side wall of the mixing tank.

6. The stirring device in front of an industrial silicon processing furnace according to claim 5, characterized in that: A water guide hole is provided at the connection between the hollow shaft and the partition, and a water guide groove is provided at the connection between the connecting shaft and the water guide hole. The connecting shaft is provided with a water channel connected to the water guide groove, and a water injection hole connected to the water channel is provided at the contact between the vertical stirring frame and the through groove.

7. The stirring device for industrial silicon processing furnace according to claim 6, characterized in that: The water guide groove is slidably connected along the interior of the hollow shaft, and the water guide groove and the regulating groove are located in different vertical planes and are not connected to each other.

8. The stirring device for industrial silicon processing furnace according to claim 7, characterized in that: The length of the water guide groove is greater than the height difference of the guide groove.

9. The stirring device for industrial silicon processing furnace according to claims 6 to 7, characterized in that: The vertical stirring frame comprises: An axis body is provided between the connecting shaft and the transverse stirring frame, one end of the axis body is slidably connected to the through groove, and the transverse stirring frame is provided with a vertical groove for accommodating the other end of the axis body to be slidably connected; A stirring blade is sleeved on the shaft.

10. The stirring device in front of an industrial silicon processing furnace according to claim 9, characterized in that: The stirring blade is rotatably connected to the shaft body, and a lever for moving the stirring blade is provided on the transverse stirring frame, and a torsion spring is provided on the shaft body.

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