Raw material mixing device

Abstract

The utility model discloses a raw material mixing device which comprises a material mixing frame, a mixing cavity is formed in the material mixing frame, a top cover is arranged at the top of the material mixing frame, a first motor is installed on the top cover, a stirring frame is fixedly connected to the output end of the first motor and located in the mixing cavity, and a distribution plate is arranged at the position, close to the bottom end, of the stirring frame. A feeding port is formed in the top cover, a feeding frame is fixedly connected to the position, corresponding to the feeding port, of the top cover, a feeding groove is formed in the feeding frame, and a hopper is arranged at the top of the feeding frame. According to the utility model, the feeding frame, the feeding groove, the sieve plate structure, the crushing frame, the crushing knife rest, the driving mechanism and other structures are arranged in a matched manner, so that raw materials fed into the mixing cavity through the feeding frame can be subjected to crushing pretreatment work, and some large or caked raw materials are subjected to deep crushing treatment, so that the raw materials reach a certain particle size; therefore, sufficiency and uniformity of subsequent raw material stirring and mixing are guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of industrial silicon production equipment, in particular to a raw material mixing device. Background Art

[0002] In the process of industrial silicon processing and production, after the selection and proportioning of raw materials such as silica, petroleum coke, charcoal, coal, and wood chips are completed, they need to be mixed and sent to the submerged arc furnace for smelting reaction. The mixed raw materials can ensure the sufficiency of the reaction in the submerged arc furnace, thereby ensuring the quality of the product. Therefore, after the selection and proportioning are completed, it is necessary to use a mixing equipment to evenly stir and mix these raw materials;

[0003] In some traditional raw material mixing processes, most of the raw materials that have been selected and proportioned are directly poured into the mixing device. These raw materials are only subjected to the initial crushing process during the selection process. The volumes of various raw materials are different. Some raw materials are large in block shape, and some are agglomerated. Some traditional mixing devices lack the pre-treatment of crushing the raw materials. Such large or agglomerated raw materials are directly fed into the mixing device, and the sufficiency and uniformity of the mixing cannot be guaranteed, which will affect the mixing effect of the raw materials and also have a certain impact on the subsequent smelting reaction, making it unable to fully react, thereby also having a certain impact on the subsequent product quality. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a raw material mixing device.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a raw material mixing device comprises a mixing frame, a mixing chamber is arranged in the mixing frame, and a top cover is arranged on the top of the mixing frame, a motor 1 is installed on the top cover, an output end of the motor 1 and is located in the mixing chamber and is fixedly connected with a stirring frame, a distribution plate is arranged on the stirring frame near the bottom end, a feeding port is arranged on the top cover, and a feeding frame is fixedly connected with a position corresponding to the feeding port on the top cover, a feeding trough is arranged in the feeding frame, and a hopper is arranged on the top of the feeding frame, a sieve plate 1 and a sieve plate 2 are respectively arranged in the feeding trough from top to bottom, a rotating rod is rotatably connected to the sieve plate 1, a smashing frame is fixedly connected to the top of the rotating rod, a rotating shaft 2 is rotatably connected in the feeding trough and located between the sieve plate 1 and the sieve plate 2, a crushing knife frame is fixedly connected to the rotating shaft 2, and a driving mechanism is arranged on the feeding frame at a position corresponding to the rotating rod and the rotating shaft 2.

[0006] As a further description of the above technical solution:

[0007] A scraper is fixedly connected to the stirring frame, and one side of the outer surface of the scraper is arranged to fit and slide with the inner wall of the mixing chamber.

[0008] As a further description of the above technical solution:

[0009] The bottom of the mixing rack is provided with a discharge port connected to the mixing chamber, and a solenoid valve is provided in the mixing rack at a position corresponding to the discharge port.

[0010] As a further description of the above technical solution:

[0011] The first sieve plate is in the form of a coarse mesh, and the second sieve plate is in the form of a fine mesh.

[0012] As a further description of the above technical solution:

[0013] The smashing frame is provided with a plurality of smashing sticks with diamond-shaped cross sections.

[0014] As a further description of the above technical solution:

[0015] The driving mechanism includes a fixed box fixedly installed at the bottom of a screen plate and a protective cover arranged at the outer side of a feed rack, the bottom end of the rotating rod is located in the fixed box and is fixedly connected to a bevel gear one, the outer surface of the protective cover is installed with a motor two, the output end of the motor two is fixedly connected to a rotating shaft one, one end of the rotating shaft one is located in the fixed box and is fixedly connected to a bevel gear two, the outer surface of the rotating shaft one is located in the protective cover and is nested and fixedly connected to a driving gear, and the outer surface of the rotating shaft two is located in the protective cover and is nested and fixedly connected to a driven gear.

[0016] As a further description of the above technical solution:

[0017] The bevel gear 1 and the bevel gear 2 are meshedly connected, and the driving gear and the driven gear are meshedly connected.

[0018] The utility model has the following beneficial effects:

[0019] The raw material mixing device can evenly stir and mix various raw materials poured into the mixing chamber by driving a stirring frame to rotate through a motor. The raw materials fed into the mixing chamber through the feeding frame can be crushed and pre-treated by coordinating structures such as the feeding frame, the feeding trough, the sieve plate structure, the crushing frame, the crushing knife frame, and the driving mechanism. Some large or agglomerated raw materials can be deeply crushed to a certain particle size through the cooperation of two crushing structures, thereby ensuring the sufficiency and uniformity of subsequent raw material stirring and mixing, thereby ensuring the sufficiency of the mixed raw materials for the smelting reaction in the ore-fired furnace, shortening the required reaction time, ensuring product quality, and improving overall production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the overall structure of a raw material mixing device proposed by the utility model;

[0021] Figure 2 This is a front view of a raw material mixing device proposed by the utility model;

[0022] Figure 3 A raw material mixing device proposed by the utility model Figure 2 A is an enlarged view of the middle image.

[0023] Legend:

[0024] 1. Mixing rack; 2. Mixing chamber; 3. Top cover; 4. Motor 1; 5. Stirring rack; 6. Distribution plate; 7. Scraper; 8. Discharge port; 9. Solenoid valve; 10. Feed port; 11. Feed rack; 12. Feed trough; 13. Hopper; 14. Screen plate 1; 15. Rotating rod; 16. Breaking rack; 17. Fixed box; 18. Bevel gear 1; 19. Protective cover; 20. Motor 2; 21. Rotating shaft 1; 22. Bevel gear 2; 23. Screen plate 2; 24. Rotating shaft 2; 25. Breaking knife rack; 26. Driving gear; 27. Driven gear. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] In the description of the present utility model, it should be noted that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present utility model; the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance. In addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0027] Reference Figure 1-3The utility model provides an embodiment: a raw material mixing device, including a mixing frame 1, a mixing chamber 2 is arranged in the mixing frame 1, and a top cover 3 is arranged on the top of the mixing frame 1, a motor 4 is installed on the top cover 3, and a stirring frame 5 is fixedly connected to the output end of the motor 4 and located in the mixing chamber 2, and a distribution plate 6 is arranged near the bottom of the stirring frame 5, and a feed port 10 is arranged on the top cover 3. The raw materials to be mixed are fed into the mixing chamber 2 from the feed port 10, and the motor 4 drives the stirring frame 5 to rotate, and the stirring frame 5 can drive the raw materials to be stirred and mixed. There are multiple through holes on the distribution plate 6, which can be used to When the raw materials are moved, they can be moved and dispersed. With the revolution of the stirring frame 5, the raw materials can be fully and evenly mixed together to achieve a mixing effect. A feed frame 11 is fixedly connected to the position corresponding to the feed port 10 on the top cover 3. A feed trough 12 is arranged in the feed frame 11, and a hopper 13 is arranged on the top of the feed frame 11. The opening position of the hopper 13 is relatively large, so that the raw materials to be mixed can be received more conveniently. A sieve plate 14 and a sieve plate 23 are arranged from top to bottom in the feed trough 12. A rotating rod 15 is rotatably connected to the sieve plate 14. The top of the rotating rod 15 is fixedly connected to the top of the rotating rod 15. A crushing frame 16 is fixedly connected, and a rotating shaft 24 is rotatably connected in the feed trough 12 and between the sieve plate 14 and the sieve plate 23. A crushing knife frame 25 is fixedly connected to the rotating shaft 24. A plurality of blades are arranged on the crushing knife frame 25, and the positions of the plurality of blades are staggered. In this way, some blocky or residual agglomerated raw materials can be fully crushed and dispersed, which can facilitate the subsequent mixing of raw materials to be sufficient and uniform. A driving mechanism is arranged at a position corresponding to the rotating rod 15 and the rotating shaft 24 on the feed frame 11, and the driving mechanism can drive the crushing frame 16 and the rotating shaft 24 to rotate, and the crushing frame 1 6 can perform a primary breaking operation on some blocky or agglomerated raw materials poured into the feed trough 12 and falling on the sieve plate 1 14, and can break up the raw materials to the point where they can pass through the sieve plate 1 14. The rotating shaft 24 drives the breaking knife holder 25 to break up the raw materials that have been broken up or broken up into small pieces or small agglomerates for a secondary breaking, so that the raw materials are evenly broken up and finally enter the feed port 10 through the sieve plate 23, and finally enter the mixing chamber 2 for stirring and mixing. The entire feed holder 11 can realize the processing work before the raw materials are mixed, so as to ensure the uniformity of the raw material particles, thereby ensuring the sufficiency and uniformity of the subsequent mixing work.

[0028] A scraper 7 is fixedly connected to the stirring frame 5, and one side of the outer surface of the scraper 7 is arranged to fit and slide against the inner wall of the mixing chamber 2. The scraper 7 structure is arranged so that it can orbit along with the inner wall of the mixing chamber 2 when the stirring frame 5 rotates, so that the raw materials adhering to the inner wall of the mixing chamber 2 can be scraped off to avoid the accumulation of raw materials affecting the mixing effect.

[0029] A discharge port 8 connected to the mixing chamber 2 is provided at the bottom of the mixing frame 1, and a solenoid valve 9 is provided at a position corresponding to the discharge port 8 in the mixing frame 1. After mixing is completed, the solenoid valve 9 is opened, and the mixed raw materials can be discharged through the discharge port 8, so as to enter the next process.

[0030] The sieve plate 14 is a coarse mesh form, and the sieve plate 23 is a fine mesh form. The mesh forms of different coarse and fine can be conveniently matched with the crushing structure to process the raw materials into different sizes. The coarse mesh sieve plate 14 can meet the initial crushing process, while the fine mesh sieve plate 23 has reached the normal particle size that can ensure uniform mixing.

[0031] The crushing frame 16 is provided with a plurality of crushing rods with diamond-shaped cross sections. When the diamond-shaped crushing rods with clear edges and corners rotate, they can stably crush some blocky or agglomerated raw materials to ensure the crushing efficiency.

[0032] The driving mechanism includes a fixed box 17 fixedly installed at the bottom of the sieve plate 14 and a protective cover 19 arranged at the outer position of the feed frame 11. The bottom end of the rotating rod 15 is fixedly connected to a bevel gear 18 in the fixed box 17. The outer surface of the protective cover 19 is installed with a motor 20. The output end of the motor 20 is fixedly connected to a rotating shaft 21. One end of the rotating shaft 21 is fixedly connected to a bevel gear 22 in the fixed box 17. The outer surface of the rotating shaft 21 is located in the protective cover 19 and is nested and fixedly connected with a driving gear 26. The outer surface of the rotating shaft 24 is located in the protective cover 19 and is nested and fixedly connected with a driven gear 27. The bevel gear 18 and the bevel gear 22 are meshed and connected, and the driving gear 26 and the driven gear 27 are meshed and connected. When running, the motor 20 drives the rotating shaft When the rotating shaft 21 rotates, the rotating shaft 21 drives the bevel gear 22 to rotate, the bevel gear 22 drives the bevel gear 18 to rotate, the bevel gear 18 drives the rotating rod 15 to rotate, the rotating rod 15 drives the crushing frame 16 to rotate, and the crushing frame 16 can crush the large pieces or agglomerated raw materials above the screen plate 14. When the rotating shaft 21 rotates, it will drive the driving gear 26 to rotate, the driving gear 26 drives the driven gear 27 to rotate, the driven gear 27 drives the rotating shaft 24 to rotate, and the rotating shaft 24 drives the crushing knife frame 25 to rotate, so that some small pieces or small agglomerates of raw materials can be crushed for the second time. The driving gear 26 is a large-diameter gear, and the driven gear 27 is a small-diameter gear. In this way, during operation, the rotating shaft 24 rotates faster, so that small pieces or small agglomerates of raw materials can be fully crushed.

[0033] Working principle: When using the raw material mixing device, pour the various raw materials to be mixed from the hopper 13 into the feed trough 12, and some large pieces or agglomerated raw materials in the raw materials fall onto the sieve plate 14. The driving structure drives the shattering frame 16 to rotate, and the shattering frame 16 can crush such large pieces or agglomerated raw materials. The crushed raw materials fall onto the sieve plate 2 23 through the sieve plate 14, and the driving mechanism simultaneously drives the rotating shaft 24 to rotate, and the rotating shaft 24 drives the crushing knife frame 25 to rotate, and the crushing knife frame 25 performs secondary crushing on the crushed small pieces or small agglomerated raw materials, so that after being crushed to a certain particle size, they pass through the sieve plate 2 23 into the mixing chamber 2, and the motor 4 drives the stirring frame 5 to rotate, and the stirring frame 5 stirs and mixes the raw materials. After mixing, open the solenoid valve 9 to discharge the raw materials from the discharge port 8.

[0034] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A raw material mixing device, comprising a mixing frame (1), characterized in that: The mixing frame (1) is provided with a mixing chamber (2), and a top cover (3) is provided on the top of the mixing frame (1), a motor (4) is installed on the top cover (3), a stirring frame (5) is fixedly connected to the output end of the motor (4) and located in the mixing chamber (2), a distribution plate (6) is provided on the stirring frame (5) near the bottom, a feed port (10) is provided on the top cover (3), and a feed frame (11) is fixedly connected to a position on the top cover (3) corresponding to the feed port (10), a feed trough (12) is provided in the feed frame (11), and a feed frame (11) is provided on the top of the feed frame (11). A hopper (13) is provided, wherein a sieve plate 1 (14) and a sieve plate 2 (23) are arranged in the feed trough (12) from top to bottom, respectively; a rotating rod (15) is rotatably connected to the sieve plate 1 (14); a crushing frame (16) is fixedly connected to the top of the rotating rod (15); a rotating shaft 2 (24) is rotatably connected in the feed trough (12) and between the sieve plate 1 (14) and the sieve plate 2 (23); a crushing knife frame (25) is fixedly connected to the rotating shaft 2 (24); and a driving mechanism is arranged at positions on the feed frame (11) corresponding to the rotating rod (15) and the rotating shaft 2 (24).

2. A raw material mixing device according to claim 1, characterized in that: The stirring frame (5) is fixedly connected with a scraper (7), and one side of the outer surface of the scraper (7) is arranged to fit and slide against the inner wall of the mixing chamber (2).

3. A raw material mixing device according to claim 1, characterized in that: The bottom of the mixing rack (1) is provided with a discharge port (8) connected to the mixing chamber (2), and a solenoid valve (9) is provided in the mixing rack (1) at a position corresponding to the discharge port (8).

4. A raw material mixing device according to claim 1, characterized in that: The sieve plate 1 (14) is in the form of a coarse mesh, and the sieve plate 2 (23) is in the form of a fine mesh.

5. A raw material mixing device according to claim 1, characterized in that: The smashing frame (16) is provided with a plurality of smashing sticks with diamond-shaped cross sections.

6. A raw material mixing device according to claim 1, characterized in that: The driving mechanism comprises a fixing box (17) fixedly mounted on the bottom of the sieve plate 1 (14) and a protective cover (19) arranged at an outer position of the feed frame (11); the bottom end of the rotating rod (15) is fixedly connected to a bevel gear 1 (18) located in the fixing box (17); a motor 2 (20) is mounted on the outer surface of the protective cover (19); a rotating shaft 1 (21) is fixedly connected to the output end of the motor 2 (20); one end of the rotating shaft 1 (21) is fixedly connected to a bevel gear 2 (22) located in the fixing box (17); a driving gear (26) is nested and fixedly connected to the outer surface of the rotating shaft 1 (21) and is nested and fixedly connected to the protective cover (19); and a driven gear (27) is nested and fixedly connected to the outer surface of the rotating shaft 2 (24) and is nested and fixedly connected to the protective cover (19).

7. A raw material mixing device according to claim 6, characterized in that: The bevel gear 1 (18) and the bevel gear 2 (22) are meshedly connected, and the driving gear (26) and the driven gear (27) are meshedly connected.

Images