Battery silicon negative electrode raw material concentration device based on alternate heating
By adopting the rotating heating design in the battery silicon negative electrode raw material concentration device, the problem of shortening the service life of the electric heating tube due to long continuous operation is solved, and a more efficient concentration process and the effect of extending the equipment life is achieved.
Patent Information
- Application Number
- CN202421010063.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-11
- Publication Date
- 2025-02-07
- Estimated Expiration
- 2034-05-11
AI Technical Summary
The existing electric heating structure is used for the concentration of battery silicon negative electrode raw materials. Long-term continuous operation will accelerate loss, shorten service life, and affect the concentration efficiency.
A battery silicon negative electrode raw material concentration device based on rotational heating is designed, and a heating structure is composed of multiple sets of electrical heating pipes arranged at intervals and independently controlled by each other to realize the rotational use of electrical heating pipes and avoid long-term continuous work.
By rotating the use of electric heating pipes, it delays losses and extends service life. At the same time, multiple sets of electric heating pipes work simultaneously when necessary, improving the concentration efficiency.
Smart Images

Figure CN222427169U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of new energy batteries, and in particular relates to a battery silicon negative electrode raw material concentration device based on rotation heating. Background Art
[0002] New energy: also known as unconventional energy, refers to various forms of energy other than traditional energy, and refers to energy that has just begun to be developed or is being actively studied and is yet to be promoted, such as solar energy, geothermal energy, wind energy, ocean energy, biomass energy and nuclear fusion energy. In the production and processing of new energy battery silicon negative electrode, the raw materials of new energy battery silicon negative electrode need to be concentrated. At present, the raw materials of new energy battery silicon negative electrode are generally concentrated in concentration tanks.
[0003] Most existing concentration tanks use electric heating structures for heating and concentration, but heating and concentration requires long-term heating to evaporate water. However, long-term continuous operation of the electric heating structure will accelerate wear and shorten its service life, which not only increases maintenance costs but also affects concentration efficiency. Summary of the invention
[0004] The utility model provides the following technical solution: a battery silicon negative electrode raw material concentrating device based on rotation heating, comprising a concentrating tank, wherein a plurality of groups of electric heating tubes are fixedly installed inside the side wall of the concentrating tank, each group of electric heating tubes comprises a plurality of electric heating tubes, all the electric heating tubes are arranged at even intervals, and single electric heating tubes belonging to different groups are arranged in rotation in sequence, and each group of electric heating tubes is provided with an individually controlled on-off switch.
[0005] Preferably, a heating chamber is provided in the side wall of the concentration tank, an opening is provided at the top of the heating chamber and a mounting frame is fixedly provided at the opening, the electric heating tube is a "U"-shaped structure and the upper part is fixedly installed on the mounting frame, the lower part of the electric heating tube is inserted into the heating chamber, and the upper surface of the mounting frame is fixedly installed with a first connecting ring, a second connecting ring and a third connecting ring in sequence from bottom to top, the first connecting ring, the second connecting ring and the third connecting ring all include a ring body, a plurality of connecting holes are provided on the ring body, a connecting seat is provided above the connecting holes, and the connecting seat is electrically connected to a connecting ring provided on the ring body The connecting column is connected to the external power supply, and an insulating cover covering the connecting seat is fixedly arranged on the upper surface of the ring body; all the electric heating tubes are divided into two groups, namely a first group composed of tall tubes and a first group composed of short tubes, the tall tubes and the short tubes are arranged at intervals, one end of the tall tube and the short tube are inserted into the connecting hole of the first connecting ring and electrically connected to the connecting seat, the other end of the short tube passes through the first connecting ring and is inserted into the connecting hole of the second connecting ring and is electrically connected to the connecting seat, the other end of the tall tube passes through the first connecting ring and the second connecting ring and is inserted into the connecting hole of the third connecting ring and is electrically connected to the connecting seat.
[0006] Preferably, a servo motor is fixedly mounted on the upper surface of the concentration tank, and the output end of the servo motor is transmission-connected to a stirring rod, and one end of the stirring rod is fixedly connected to a scraper; the stirring rod includes a rod shell, and the scraper is fixedly mounted to the outer surface of the rod shell, the upper part of the rod shell is rotationally mounted to the top of the concentration tank through a plane bearing, and the lower part of the rod shell extends into the concentration tank, and a pulley is fixedly mounted on the rod shell above the plane bearing; the output end of the servo motor is connected to the sun gear of the planetary gear in the reduction box, and the outer side of the gear ring on the circumferential side of the planetary gear is provided with meshing teeth and is transmission-connected through a toothed belt and a pulley; a rod core is rotationally mounted on the upper end of the rod shell through a ball bearing structure and the rod core is inserted into the interior of the rod shell, and a plurality of groups of heating wire grooves are provided on the outer surface of the rod core, and electric heating wires are fixedly mounted in the heating wire grooves, and the outer surface of the rod core and the inner surface of the rod shell are clearance-matched, and a plurality of wiring terminals are provided at one end of the rod core, and the electric heating wires are connected to the wiring terminals and connected to an external power supply through the wiring terminals.
[0007] One end of the rod core inserted into the rod shell is the insertion end, and the other end is the exposed end, the heating wire grooves are grouped into two, the two heating wire grooves in the group extend parallel to each other from the exposed end to the end of the insertion end and are connected to each other at the end of the insertion end, a continuous electric heating wire is installed in each group of heating wire grooves, and the inner surface of the rod core is covered with an insulation layer; the ball bearing structure is provided with a wire hole matching the heating wire groove, the exposed end of the rod core is provided with a terminal, a wiring cavity is provided in the terminal, and a plurality of wiring terminals are provided in the wiring cavity corresponding to the electric heating wires, the wiring cavity includes a common layer, a first rotation layer and a second rotation layer, one end of all the electric heating wires are connected to the wiring terminal of the common layer, the other end of half of the electric heating wires is connected to the wiring terminal of the first rotation layer, and the other end of the other half of the electric heating wires is connected to the wiring terminal of the second rotation layer, the wiring terminals of the first rotation layer and the wiring terminals of the second rotation layer are independently controlled by different switches, and an end cover is fixedly installed on one side of the terminal.
[0008] A feed pipe is fixedly installed on one side of the top of the concentrating tank, one end of the feed pipe is threadedly connected to a sealing cover, a discharge pipe is fixedly installed on the bottom of the concentrating tank, a support rod is fixedly installed on the surface of the concentrating tank, one end of the support rod is fixedly connected to a fixing seat, a support plate is fixedly installed on one side of the concentrating tank, a water tank is fixedly installed on the top of the support plate, a water pump is fixedly installed on the top of the water tank, and an output end of the water pump is connected to a drain pipe.
[0009] Preferably, mounting holes are provided on the surface of the fixing seat, and the number of the fixing seats is four.
[0010] Preferably, an observation window is fixedly mounted on the surface of the concentration tank, and the observation window is made of transparent glass.
[0011] Preferably, a water inlet is provided on the upper surface of the water storage tank, and one end of the water inlet is connected to a screw cap.
[0012] Preferably, one end of the drain pipe is connected to the concentration tank.
[0013] Preferably, an exhaust pipe is fixedly mounted on the surface of the concentration tank, and a control valve is fixedly mounted on the surface of the exhaust pipe.
[0014] Compared with the prior art, the beneficial effects of the utility model are:
[0015] 1. A heating structure composed of multiple groups of electric heating tubes that are arranged at intervals and have independent control of passage and disconnection is used to heat the concentration tank. Multiple groups of electric heating tubes can be used in rotation to avoid shortening the service life of the electric heating tubes due to long-term continuous work. In addition, when necessary, multiple groups of electric heating tubes can work simultaneously to improve the concentration efficiency;
[0016] 2. The side wall of the concentration tank and the stirring rod inside the concentration tank are equipped with heating structures, which can heat the surrounding and center of the raw materials at the same time, making the heat more uniform. It is suitable for large-volume concentration tanks and has the advantages of good concentration effect and high-efficiency concentration. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a three-dimensional structural diagram of a battery silicon negative electrode raw material concentration device based on rotation heating.
[0018] Figure 2 This is a three-dimensional structural diagram of the concentration device from another angle.
[0019] Figure 3 This is a three-dimensional cross-sectional view of the concentration device, with part of the stirring rod structure hidden.
[0020] Figure 4 It is a schematic diagram of the exploded structure of the mounting frame, the electric heating tube, the first connecting ring, the second connecting ring and the third connecting ring.
[0021] Figure 5 for Figure 4 Enlarged view of point A.
[0022] Figure 6 Schematic diagram of the cross-sectional structure of the connecting ring.
[0023] Figure 7 Schematic diagram of the coordination between the stirring rod and the planetary gear.
[0024] Figure 8 It is a three-dimensional structural diagram of the upper part of the stirring rod.
[0025] Fig. 9 It is a schematic diagram of the coordination of the rod core, ball bearing structure and terminal.
[0026] Fig.10 for Fig. 9 Enlarged view of point B.
[0027] Fig.11 for Figure 7 The corresponding cross-sectional view. DETAILED DESCRIPTION
[0028] The following will combine the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Figure 1-11 The utility model provides the following technical solutions: a battery silicon negative electrode raw material concentration device based on rotation heating, comprising a concentration tank 1, a feed pipe 2 is fixedly installed on one side of the top of the concentration tank 1, a sealing cover 3 is threadedly connected to one end of the feed pipe 2, a heating chamber is arranged in the side wall of the concentration tank 1, an opening is arranged on the top of the heating chamber and a mounting frame 31 is fixedly arranged at the opening, two groups of electric heating tubes 4 are fixedly installed on the mounting frame 31, each group of electric heating tubes 4 includes ten electric heating tubes 4, the electric heating tubes 4 are "U" shaped structures and the upper part is fixedly installed to On the mounting frame 31, the lower part of the electric heating tube 4 is inserted into the heating chamber, and the upper surface of the mounting frame 31 is fixedly mounted with a first connecting ring 32, a second connecting ring 33 and a third connecting ring 34 in sequence from bottom to top. The first connecting ring 32, the second connecting ring 33 and the third connecting ring 34 all include a ring body 35, and a plurality of connecting holes 36 are arranged on the ring body 35. A connecting seat 37 is arranged above the connecting hole 36 of the ring body 35, and an elastic connecting clip extending into the connecting hole 36 is arranged at the corresponding connecting hole 36 of the connecting seat 37. The wire clamp improves the tightness of the connection between the connection seat 37 and the end of the electric heating tube 4. The connection seat 37 is electrically connected to the connection column 38 set on the ring body 35. Each connection column 38 is connected to an external power supply and is provided with a separately controlled on-off switch. The upper surface of the ring body 35 is fixedly provided with an insulating cover 39 covering the connection seat 37; the two groups of electric heating tubes 4 are respectively a first group composed of high pipes 41 and a first group composed of low pipes 42. The high pipes 41 and the low pipes 42 are arranged at intervals, and one end of the high pipes 41 and the low pipes 42 are inserted into the first connection The other end of the short tube 42 passes through the first connecting ring 32 and is inserted into the connecting hole 36 of the second connecting ring 33 and is electrically connected to the connecting seat 37. The other end of the short tube 42 is insulated and fixedly connected to the first connecting ring 32. The other end of the high tube 41 passes through the first connecting ring 32 and the second connecting ring 33 and is inserted into the connecting hole 36 of the third connecting ring 34 and is electrically connected to the connecting seat 37. The other end of the high tube 41 is insulated and fixedly connected to the first connecting ring 32 and the second connecting ring 33.
[0029] A reduction box 22 is fixedly mounted on the upper surface of the concentration tank 1, a servo motor 5 is fixedly mounted on the upper surface of the reduction box 22, a planetary gear 21 is arranged inside the reduction box 22, an output end of the servo motor 5 is connected to the sun gear of the planetary gear 21, a stirring rod 6 is installed on the top of the concentration tank 1 at the corresponding reduction box 22, the stirring rod 6 includes a rod shell 17, a scraper 7 is fixedly connected to the outer surface of the lower part of the rod shell 17, the upper part of the rod shell 17 is rotatably mounted to the top of the concentration tank 1 through a plane bearing 18, the lower ring of the plane bearing 18 is fixedly connected to the top of the concentration tank 1, the upper ring of the plane bearing 18 is fixedly connected to the rod shell 17, and the plane A plurality of balls are evenly spaced and slidably installed between the upper and lower circles of the bearing 18; the lower part of the rod shell 17 extends into the concentration tank 1, and a pulley 19 is fixedly installed on the rod shell 17 above the plane bearing 18; the outer side of the gear ring on the peripheral side of the planetary gear 21 is provided with meshing teeth and is connected to the pulley 19 through a toothed belt 20; the upper end of the rod shell 17 is rotatably installed with a rod core 23 through a ball bearing structure 24, and the rod core 23 is inserted into the interior of the rod shell 17, the outer ring of the ball bearing structure 24 is fixedly connected to the upper end of the rod shell 17, the inner ring of the ball bearing structure 24 is fixedly connected to the rod core 23, and the outer ring of the ball bearing structure 24 and the inner ring of the ball bearing structure 24 are fixedly connected to the rod core 23. Multiple balls are evenly spaced and slidably installed between the circles; one end of the rod core 23 inserted into the rod shell 17 is the insertion end, and the other end is the exposed end. The outer surface of the rod core 23 is provided with sixteen groups of heating wire grooves 25, each group of heating wire grooves 25 includes two heating wire grooves 25, and the two heating wire grooves 25 in the group extend parallel to each other from the exposed end to the end of the insertion end and are connected to each other at the end of the insertion end. A continuous electric heating wire is installed in each group of heating wire grooves 25, so that the electric heating wire forms a U-shaped structure with both ends at the exposed end. The inner surface of the rod core 23 is coated with a thermal insulation layer 26, which can prevent heat from going to the rod core 2 3, so that the heat can be fully utilized, the outer surface of the rod core 23 and the inner surface of the rod shell 17 are in clearance fit; the ball bearing structure 24 is provided with a wire hole 28 matching the heating wire slot 25, the exposed end of the rod core 23 is provided with a terminal 29, and a three-layer wiring cavity 30 is provided in the terminal 29, the bottom layer of the wiring cavity 30 is the first rotation layer 30b, the middle layer is the common layer 30a, and the top layer is the second rotation layer 30c. The wiring cavity 30 is provided with wiring terminals corresponding to the electric heating wires one by one, and the electric heating wires extend from the heating wire slot 25, pass through the wire hole 28, and then extend to the terminal 29 and connect with the wiring terminals;Among them, one end of all the electric heating wires is connected to the terminal of the common layer 30a, the other end of half of the electric heating wires is connected to the terminal of the first rotating layer 30b, and the other end of the other half of the electric heating wires is connected to the terminal of the second rotating layer 30c. The terminal of the first rotating layer 30b and the terminal of the second rotating layer 30c are independently controlled by different switches. The terminal is not shown in the figure. Conventional terminal can be used to connect the electric heating wire to an external power supply. An end cap 40 is fixedly installed on one side of the terminal 29; a discharge pipe 8 is fixedly installed on the bottom of the concentration tank 1, a support rod 9 is fixedly installed on the surface of the concentration tank 1, and one end of the support rod 9 is fixedly connected to a fixed seat 10. A support plate 12 is fixedly installed on one side of the concentration tank 1, a water storage tank 13 is fixedly installed on the top of the support plate 12, a water pump 14 is fixedly installed on the top of the water storage tank 13, and a drain pipe 15 is connected to the output end of the water pump 14. ;
[0030] After the staff opens the feed pipe 2 through the sealing cover 3, the staff puts the new energy battery silicon negative electrode raw material into the concentration tank 1 through the feed pipe 2, and then closes the feed pipe 2 through the sealing cover 3. After the new energy battery silicon negative electrode raw material is put into the concentration tank 1, the electric heating tube 4 and the electric heating wire inside the stirring rod 6 are started to heat the inside and outside of the concentration tank 1 synchronously, so that the new energy battery silicon negative electrode raw material can be evenly heated in the concentration tank 1 and has a higher concentration efficiency. During the heating process, it can be selected whether to start all the electric heating tubes 4 and electric heating wires at the same time according to actual needs. In the case where all of them do not need to be started, the control program can be set to rotate the start of different groups of electric heating tubes 4 and electric heating wires within a limited time, that is, one group of electric heating tubes 4 and electric heating wires are working and heating, and the other group is resting and waiting; after a period of time, the original working group is closed and enters the rest standby state, and the original standby group is started and enters the working heating state. By rotating work, the loss can be delayed and the service life can be extended.
[0031] During the concentration process of the silicon negative electrode raw materials for new energy batteries, the servo motor 5 is started to drive the stirring rod 6 in the concentration tank 1 to rotate. After the stirring rod 6 rotates, it can stir the concentrated silicon negative electrode raw materials for new energy batteries in the concentration tank 1, so that the silicon negative electrode raw materials for new energy batteries can be evenly heat-treated, thereby accelerating the concentration speed of the silicon negative electrode raw materials for new energy batteries. After the concentration of the silicon negative electrode raw materials for new energy batteries is completed, the discharge pipe 8 is opened, and the concentrated silicon negative electrode raw materials for new energy batteries in the concentration tank 1 can be discharged through the discharge pipe 8. At the same time, when the concentration tank 1 is cleaned, the water pump 14 is started to extract the water source in the water tank 13 and discharge it into the concentration tank 1 through the drain pipe 15. After the water is injected into the concentration tank 1, the servo motor 5 The stirring rod 6 and the scraper 7 are started to rotate. After the scraper 7 rotates, the scraper 7 can scrape the negative electrode silicon raw materials of the new energy battery remaining on the inner wall of the concentration tank 1. The scraper 7 cooperates with the water source to effectively clean the inner wall of the concentration tank 1 to prevent the concentrated negative electrode silicon raw materials of the new energy battery from remaining in the concentration tank 1 and affecting the use of the concentration tank 1. The control valve controls the opening and closing of the exhaust pipe 16, and the heat in the concentration tank 1 can be discharged to the outside through the exhaust pipe 16. The staff can observe the inside of the concentration tank 1 through the transparent glass observation window 11. The staff can install the fixing seat 10 to the ground through the installation hole, so as to install and fix the device. All electrical equipment in this device are powered by an external power supply.
[0032] In one aspect of this embodiment, a worker can install the fixing base 10 on the ground through the installation hole, thereby installing and fixing the device.
[0033] In one aspect of this embodiment, after the servo motor 5 is started, it can drive the stirring rod 6 in the concentration tank 1 to rotate, so that the subsequent stirring rod 6 can stir the new energy battery silicon negative electrode raw material put into the concentration tank 1 for concentration, thereby accelerating the concentration speed of the new energy battery silicon negative electrode raw material.
[0034] In one aspect of this embodiment, the staff can open the water inlet by rotating the rotary cover, so that the staff can inject water into the water tank 13 conveniently.
[0035] In one aspect of this embodiment, a worker can observe the inside of the concentration tank 1 through the transparent glass observation window 11 .
[0036] In one aspect of this embodiment, the control valve controls the exhaust pipe 16 to open and close, and the heat in the concentration tank 1 can be discharged to the outside through the exhaust pipe 16.
[0037] In one aspect of this embodiment, after the water pump 14 is started, the water source can be discharged into the concentration tank 1 through the drain pipe 15, so that the water source can clean the concentration tank 1 after use.
[0038] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.
Claims
1. A battery silicon negative electrode raw material concentration device based on rotation heating, comprising a concentration tank (1), characterized in that: A plurality of groups of electric heating tubes (4) are fixedly mounted inside the side wall of the concentration tank (1), each group of electric heating tubes (4) comprising a plurality of electric heating tubes (4), all the electric heating tubes (4) being arranged at even intervals, and individual electric heating tubes (4) belonging to different groups are arranged in rotation in sequence, and each group of electric heating tubes (4) is provided with an independently controlled on-off switch.
2. According to claim 1, a battery silicon negative electrode raw material concentration device based on rotation heating is characterized in that: A heating chamber is provided in the side wall of the concentration tank (1), an opening is provided at the top of the heating chamber and a mounting frame (31) is fixedly provided at the opening, the electric heating tube (4) is a "U"-shaped structure and the upper part is fixedly installed on the mounting frame (31), the lower part of the electric heating tube (4) is inserted into the heating chamber, and a first connecting ring (32), a second connecting ring (33) and a third connecting ring (34) are fixedly installed on the upper surface of the mounting frame (31) from bottom to top, the first connecting ring (32), the second connecting ring (33) and the third connecting ring (34) all include a ring body (35), a plurality of connecting holes (36) are provided on the ring body (35), a connecting seat (37) is provided above the connecting holes (36), the connecting seat (37) is electrically connected to a connecting column (38) provided on the ring body (35), and the connecting column (38) and An external power source is connected, and an insulating cover (39) covering the connection seat (37) is fixedly provided on the upper surface of the ring body (35); all the electric heating tubes (4) are divided into two groups, namely a first group consisting of high-profile tubes (41) and a second group consisting of low-profile tubes (42); the high-profile tubes (41) and the low-profile tubes (42) are arranged at intervals, one end of each of the high-profile tubes (41) and the low-profile tubes (42) are inserted into the connection holes (36) of the first connection ring (32) and are electrically connected to the connection seat (37); the other end of the low-profile tube (42) passes through the first connection ring (32) and is inserted into the connection hole (36) of the second connection ring (33) and is electrically connected to the connection seat (37); the other end of the high-profile tube (41) passes through the first connection ring (32) and the second connection ring (33) and is inserted into the connection hole (36) of the third connection ring (34) and is electrically connected to the connection seat (37).
3. The battery silicon negative electrode raw material concentration device based on rotation heating according to claim 1 is characterized in that: A servo motor (5) is fixedly mounted on the upper surface of the concentration tank (1); the output end of the servo motor (5) is drivingly connected to a stirring rod (6); one end of the stirring rod (6) is fixedly connected to a scraper (7); the stirring rod (6) comprises a rod shell (17); the scraper (7) is fixedly mounted to the outer surface of the rod shell (17); the upper part of the rod shell (17) is rotatably mounted to the top of the concentration tank (1) via a plane bearing (18); the lower part of the rod shell (17) extends into the concentration tank (1); a pulley (19) is fixedly mounted on the rod shell (17) above the plane bearing (18); the output end of the servo motor (5) is connected to a planetary gear in a reduction gear box (22). The sun gear of the wheel (21) and the outer side of the gear ring on the peripheral side of the planetary gear (21) are provided with meshing teeth and are connected to each other through a toothed belt (20) and a pulley (19); the upper end of the rod shell (17) is rotatably mounted with a rod core (23) through a ball bearing structure (24), and the rod core (23) is inserted into the interior of the rod shell (17); the outer surface of the rod core (23) is provided with a plurality of groups of heating wire grooves (25), and electric heating wires are fixedly installed in the heating wire grooves (25); the outer surface of the rod core (23) and the inner surface of the rod shell (17) are clearance-matched; one end of the rod core (23) is provided with a plurality of wiring terminals, and the electric heating wires are connected to the wiring terminals and connected to an external power source through the wiring terminals.
4. The battery silicon negative electrode raw material concentration device based on rotation heating according to claim 3 is characterized in that: One end of the rod core (23) inserted into the rod shell (17) is the insertion end, and the other end is the exposed end. The heating wire grooves (25) are grouped in two. The two heating wire grooves (25) in the group extend parallel to each other from the exposed end to the end of the insertion end and are connected to each other at the end of the insertion end. A continuous electric heating wire is installed in each group of heating wire grooves (25). The inner surface of the rod core (23) is coated with a heat-insulating layer (26). The ball bearing structure (24) is provided with a wire hole (28) matching the heating wire groove (25). The exposed end of the rod core (23) is provided with a terminal (29), and a terminal cavity (30) is provided in the terminal (29). A plurality of wiring terminals are arranged in a one-to-one correspondence with the electric heating wires in the wiring cavity (30). The wiring cavity (30) comprises a common layer (30a), a first rotating layer (30b) and a second rotating layer (30c). One end of all the electric heating wires is connected to the wiring terminal of the common layer (30a), the other end of half of the electric heating wires is connected to the wiring terminal of the first rotating layer (30b), and the other end of the other half of the electric heating wires is connected to the wiring terminal of the second rotating layer (30c). The wiring terminals of the first rotating layer (30b) and the wiring terminals of the second rotating layer (30c) are independently controlled by different switches, respectively. An end cover (40) is fixedly mounted on one side of the wiring post (29).
5. The battery silicon negative electrode raw material concentration device based on rotation heating according to claim 4 is characterized in that: A feed pipe (2) is fixedly mounted on one side of the top of the concentrating tank (1), one end of the feed pipe (2) is threadedly connected to a sealing cover (3), a discharge pipe (8) is fixedly mounted on the bottom of the concentrating tank (1), a support rod (9) is fixedly mounted on the surface of the concentrating tank (1), one end of the support rod (9) is fixedly connected to a fixing seat (10), a support plate (12) is fixedly mounted on one side of the concentrating tank (1), a water storage tank (13) is fixedly mounted on the top of the support plate (12), a water pump (14) is fixedly mounted on the top of the water storage tank (13), and an output end of the water pump (14) is connected to a drain pipe (15).
6. The battery silicon negative electrode raw material concentration device based on rotation heating according to claim 5 is characterized in that: The surface of the fixing seat (10) is provided with a mounting hole, and the number of the fixing seats (10) is four.
7. The battery silicon negative electrode raw material concentration device based on rotation heating according to claim 6 is characterized in that: An observation window (11) is fixedly mounted on the surface of the concentration tank (1), and the observation window (11) is made of transparent glass.
8. The battery silicon negative electrode raw material concentration device based on rotation heating according to claim 7 is characterized in that: The upper surface of the water storage tank (13) is provided with a water inlet, and one end of the water inlet is connected to a screw cap.
9. The battery silicon negative electrode raw material concentration device based on rotation heating according to claim 8 is characterized in that: One end of the drainage pipe (15) is connected to the concentration tank (1).
10. The battery silicon negative electrode raw material concentration device based on rotation heating according to claim 9, characterized in that: An exhaust pipe (16) is fixedly mounted on the surface of the concentration tank (1), and a control valve is fixedly mounted on the surface of the exhaust pipe (16).