A complete device for preparing and modifying sodium ion hard carbon negative electrode material

Abstract

The application discloses a sodium ion hard carbon negative material preparation and modification complete device, and relates to the technical field of hard carbon negative material preparation. The quantitative mechanism is used for receiving biomass materials and modified materials, a mixing mechanism is arranged at the bottom of the quantitative mechanism, the quantitative mechanism determines whether the biomass materials and the modified materials are simultaneously added into the mixing mechanism according to the mass ratio of the received biomass materials and the modified materials, an output end of the mixing mechanism is connected with a carbonization mechanism, the carbonization mechanism is used for receiving the biomass materials and the modified materials, and a discharge end cover is arranged at one end of the carbonization mechanism. Through the quantitative mechanism, the biomass materials and the modified materials can be ensured to enter into the mixing mechanism for mixing operation at a set mass ratio, the biomass materials and the modified materials in the carbonization mechanism can be subjected to heat treatment operation at an accurate mass ratio, and the finally produced hard carbon negative material is stable, uniform and good in consistency.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of hard carbon negative electrode material preparation, and particularly relates to a sodium ion hard carbon negative electrode material preparation and modification complete device. BACKGROUND

[0002] Hard carbon refers to carbon that is difficult to be graphitized, is thermal decomposition of a high molecular polymer, and is commonly known as resin carbon, organic polymer pyrolytic carbon and carbon black, etc. The hard carbon has problems such as a large change of discharge voltage with capacity and a first charge-discharge efficiency lower than that of graphitized carbon. Modification of the hard carbon material is one of important ways to improve the hard carbon as a negative electrode lithium ion battery material. The sodium ion hard carbon negative electrode material preparation and modification complete device can directly prepare a sodium ion hard carbon negative electrode material.

[0003] The existing sodium ion hard carbon negative electrode material preparation and modification complete device, for example, a sodium ion hard carbon negative electrode material preparation and modification method and complete device disclosed in Chinese Patent No. CN116262610A, cannot guarantee the consistency of the mixing ratio of the biomass material and the modification material during heat treatment, so that the consistency of the finally produced hard carbon negative electrode material is poor. SUMMARY

[0004] In order to overcome the above technical problems, the purpose of the present application is to provide a sodium ion hard carbon negative electrode material preparation and modification complete device to solve the problem that the consistency of the mixing ratio of the biomass material and the modification material during heat treatment cannot be guaranteed when the sodium ion hard carbon negative electrode material is prepared in the prior art, resulting in the consistency of the finally produced hard carbon negative electrode material.

[0005] The purpose of the present application can be achieved by the following technical solutions.

[0006] Specifically, the sodium ion hard carbon negative electrode material preparation and modification complete device comprises a quantitative mechanism for receiving biomass material and modification material, a mixing mechanism arranged at the bottom of the quantitative mechanism, the quantitative mechanism determining whether to add the biomass material and the modification material into the mixing mechanism at the same time according to the mass ratio of the received biomass material and modification material, a carbonization mechanism connected with the output end of the mixing mechanism, the carbonization mechanism for receiving the biomass material and the modification material, a discharge end cover arranged at one end of the carbonization mechanism, a first screw conveying cylinder connected with the bottom end of the discharge end cover, and a second screw conveying cylinder connected with the end of the first screw conveying cylinder away from the discharge end cover.

[0007] As a further scheme of the present application, the quantitative mechanism comprises two fixedly connected mechanism housings, the inner sides of the two mechanism housings are provided with rotating quantitative boxes, the interiors of the rotating quantitative boxes are provided with weighing mechanisms, the top surfaces of the mechanism housings are fixedly connected with screw feeding barrels, the top surfaces of the screw feeding barrels are connected with feeding hoppers, and the two rotating quantitative boxes are provided with an automatic linkage mechanism.

[0008] As a further scheme of the present application, the automatic linkage mechanism comprises a rotating seat and a fixed seat, the rotating seat is symmetrically arranged on the two sides of the fixed seat and is fixedly connected with the side surfaces of the two rotating quantitative boxes respectively, and the fixed seat is fixedly arranged between the two mechanism housings.

[0009] As a further scheme of the present application, the inner side of the rotating seat is provided with a synchronous mechanism, the side surface of the synchronous mechanism is connected with a limiting beam, the end of the limiting beam is provided with a driving gear ring, and the outer side of the driving gear ring is provided with a transmission mechanism.

[0010] As a further scheme of the present application, the rotating seat comprises a rotating block, the inner side of the rotating block is provided with an embedded groove, the side surface of the rotating block is fixedly connected with a cylindrical barrel at the position corresponding to the transmission mechanism, and the inside of the cylindrical barrel is connected with a limiting lock tongue through a spring.

[0011] As a further scheme of the present application, the synchronous mechanism comprises a transmission gear, the transmission gear is installed at the center position of the rotating block through a rotating shaft, one end of the transmission gear is connected with a ratchet wheel, the side surface of the transmission gear is engaged with two center-symmetric synchronous tooth blocks, one end of the synchronous tooth block is fixedly connected with a synchronous lock block, and the inner side of the synchronous lock block is provided with a supporting spring.

[0012] As a further scheme of the present application, the transmission mechanism comprises two groups of symmetric ball nuts, the inner sides of the two groups of ball nuts are respectively provided with lead screws, the two lead screws are provided with a fixed rod, and the fixed rod is fixedly connected with the fixed seat.

[0013] As a further scheme of the present application, the fixed seat comprises a fixed block, the inner side of the fixed block is provided with a limiting groove near the position of the synchronous lock block, and the inner side of the fixed block is provided with a limiting hole near the position of the limiting lock tongue.

[0014] As a further scheme of the present application, the weighing mechanism comprises a first weighing plate and a second weighing plate, the inner sides of the first weighing plate and the second weighing plate are fixedly connected with weighing racks, and the weighing racks are engaged with the ratchet wheels.

[0015] As a further scheme of the present application, the mixing mechanism comprises a mixing box, the inside of the mixing box is provided with a mixing groove, and the mixing groove is in communication with the bottom ends of the two mechanism housings.

[0016] The present application has the following beneficial effects:

[0017] In the application, when the hard carbon negative electrode material is modified and produced, the quantitative mechanism is arranged, so that the biomass material and the modified material can enter the mixing mechanism for mixing operation at a set mass ratio, so that the biomass material and the modified material in the carbonization mechanism are subjected to heat treatment operation at an accurate mass ratio, and the quality of the finally produced hard carbon negative electrode material is stable, uniform and good in consistency. BRIEF DESCRIPTION OF DRAWINGS

[0018] The application will be further described below with reference to the drawings.

[0019] Figure 1 is a structural schematic view of a sodium ion hard carbon negative electrode material preparation and modification complete device of the application;

[0020] Figure 2 is a front view of a sodium ion hard carbon negative electrode material preparation and modification complete device of the application;

[0021] Figure 3 is a structural schematic view of a quantitative mechanism and a mixing mechanism in a sodium ion hard carbon negative electrode material preparation and modification complete device of the application;

[0022] Figure 4 is a structural schematic view of a quantitative mechanism in a sodium ion hard carbon negative electrode material preparation and modification complete device of the application;

[0023] Figure 5 is an axonometric view of a quantitative mechanism in a sodium ion hard carbon negative electrode material preparation and modification complete device of the application;

[0024] Figure 6 is a structural schematic view of a rotating quantitative box and an automatic linkage mechanism in a sodium ion hard carbon negative electrode material preparation and modification complete device of the application;

[0025] Figure 7 is a structural schematic view of an automatic linkage mechanism and a weighing mechanism in a sodium ion hard carbon negative electrode material preparation and modification complete device of the application;

[0026] Figure 8 is a structural schematic view of a weighing mechanism in a sodium ion hard carbon negative electrode material preparation and modification complete device of the application;

[0027] Figure 9 is a partial structural schematic view of an automatic linkage mechanism in a sodium ion hard carbon negative electrode material preparation and modification complete device of the application;

[0028] Figure 10 is a structural schematic view of a rotating seat in a sodium ion hard carbon negative electrode material preparation and modification complete device of the application;

[0029] Figure 11It is a rotating seat structure schematic view of a sodium ion hard carbon negative material preparation and modification complete device of the application;

[0030] Figure 12 It is an internal structure schematic view of a rotating seat of a sodium ion hard carbon negative material preparation and modification complete device of the application;

[0031] Figure 13 It is a structure schematic view of a synchronous mechanism of a sodium ion hard carbon negative material preparation and modification complete device of the application;

[0032] Figure 14 It is a sectional view of a synchronous mechanism of a sodium ion hard carbon negative material preparation and modification complete device of the application;

[0033] Figure 15 It is a structure schematic view of a transmission mechanism of a sodium ion hard carbon negative material preparation and modification complete device of the application;

[0034] Figure 16 It is a structure schematic view of a mixing mechanism of a sodium ion hard carbon negative material preparation and modification complete device of the application;

[0035] Figure 17 It is a structure schematic view of a mixing cylinder of a sodium ion hard carbon negative material preparation and modification complete device of the application;

[0036] Figure 18 It is a structure schematic view of a carbonization mechanism of a sodium ion hard carbon negative material preparation and modification complete device of the application.

[0037] Explanation of reference numerals: 1, dosing mechanism; 11, mechanism housing; 12, feed hopper; 13, screw feed cylinder; 14, rotating dosing box; 15, automatic linkage mechanism; 151, rotating seat; 1511, rotating block; 1512, built-in groove; 1513, cylindrical cylinder; 1514, limiting lock tongue; 152, synchronization mechanism; 1521, transmission gear; 1522, synchronization tooth block; 1523, synchronization lock block; 1524, support spring; 1525, ratchet wheel; 1526, power terminal; 153, limiting beam; 154, drive gear ring; 1541, gear ring extrusion block; 155, transmission mechanism; 1551, ball nut; 1552, lead screw; 1553, fixed rod; 1554, synchronization rod; 1555, synchronization gear; 156, fixed seat; 1561, fixed block; 1562, limiting groove; 1563, limiting hole; 16, weighing mechanism; 161, first weighing plate; 162, second weighing plate; 163, weighing rack; 2, mixing mechanism; 21, mixing box; 211, mixing groove; 22, mixing motor; 23, extrusion screw; 24, mixing cylinder; 25, helical groove; 3, carbonization mechanism; 31, heating furnace body; 32, rotating cylinder; 33, isolation plate; 34, helical plate; 35, drive motor; 36, worm; 37, worm gear; 4, discharge end cover; 5, first screw conveying cylinder; 6, second screw conveying cylinder. DETAILED DESCRIPTION

[0038] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0039] As one embodiment of the present application, as Figures 1-18As shown, a sodium ion hard carbon negative electrode material preparation and modification complete device is disclosed, which comprises a quantitative mechanism 1 for receiving biomass materials and modified materials, a mixing mechanism 2 is arranged at the bottom of the quantitative mechanism 1, the quantitative mechanism 1 determines whether the biomass materials and the modified materials are added into the mixing mechanism 2 at the same time according to the mass ratio of the received biomass materials and the modified materials, the output end of the mixing mechanism 2 is connected with a carbonization mechanism 3, the carbonization mechanism 3 is used for receiving biomass materials and modified materials, a discharge end cover 4 is arranged at one end of the carbonization mechanism 3, the bottom end of the discharge end cover 4 is connected with a first screw conveying cylinder 5, one end of the first screw conveying cylinder 5 away from the discharge end cover 4 is connected with a second screw conveying cylinder 6, it should be noted that the biomass materials can be coconut shell particles, and the modified materials can be urea particles, when the sodium ion hard carbon negative electrode material preparation and modification complete device is used, the coconut shell particles and the urea particles can be added into the quantitative mechanism 1, the mass ratio of the added coconut shell particles and urea particles ranges from 1:0.5 to 1:3, which is adaptively selected by the person skilled in the art according to the type of the hard carbon negative electrode material of the sodium ion battery required;

[0040] Then the coconut shell particles and the urea particles are added into the quantitative mechanism 1 according to the set mass ratio, the quantitative mechanism 1 can monitor the mass of the coconut shell particles and the urea particles entering its interior, when the coconut shell particles and the urea particles reach the set mass, the quantitative mechanism 1 can automatically add the coconut shell particles and the urea particles into the mixing mechanism 2;

[0041] When the coconut shell particles and the urea particles enter the mixing mechanism 2, the mixing mechanism 2 mixes the coconut shell particles and the urea particles entering it, and then conveys the uniformly mixed coconut shell particles and urea particles to the carbonization mechanism 3, the carbonization mechanism 3 performs segmented heating and carbonization treatment on the uniformly mixed coconut shell particles and urea particles, so that the coconut shell particles and the urea particles form a hard carbon negative electrode material, the carbonization mechanism 3 conveys the formed hard carbon negative electrode material to the first screw conveying cylinder 5, and the first screw conveying cylinder 5 conveys the hard carbon negative electrode material to the second screw conveying cylinder 6, it should be noted that the number of the first screw conveying cylinder 5 and the second screw conveying cylinder 6 can continue to increase, which is used to reduce the temperature of the hard carbon negative electrode material, prevent the hard carbon negative electrode material from contacting with external oxygen to cause oxidation reaction, through the quantitative mechanism 1, the coconut shell particles and the urea particles can be ensured to enter the mixing mechanism 2 at the set mass ratio to perform mixing operation, so that the coconut shell particles and the urea particles in the carbonization mechanism 3 are at the accurate mass ratio to perform heat treatment operation, which ensures that the finally produced hard carbon negative electrode material is stable, uniform and good in consistency.

[0042] As an embodiment of the present application, as Figures 1-6As shown, the quantitative mechanism 1 comprises two fixedly connected mechanism housings 11, the inner side of the two mechanism housings 11 is provided with a rotary quantitative box 14, the inside of the rotary quantitative box 14 is provided with a weighing mechanism 16, the top side of the mechanism housing 11 is fixedly connected with a spiral feeding cylinder 13, the top of the spiral feeding cylinder 13 is connected with a feeding hopper 12, wherein, the two rotary quantitative boxes 14 are provided with an automatic linkage mechanism 15, it should be noted that the inner side of the mechanism housing 11 is provided with a rotary groove matched with the rotary quantitative box 14, the rotary quantitative box 14 is cylindrical, and a material receiving groove is formed in the inside of the rotary quantitative box 14, the material receiving groove is used for receiving coconut shell particles or urea particles, the weighing mechanism 16 arranged in the rotary quantitative box 14 can weigh the coconut shell particles or urea particles, in use, the coconut shell particles and urea particles can be respectively placed in the feeding hopper 12, the two feeding hoppers 12 can respectively convey the coconut shell particles and urea particles to the spiral feeding cylinder 13, the spiral feeding cylinder 13 can convey the coconut shell particles or urea particles to the rotary quantitative box 14, the spiral feeding cylinder 13 comprises a feeding cylinder, a screw rod and an electric motor connected with the screw rod, in use, the electric motor is turned on, the power of the electric motor can be transmitted to the screw rod through the output shaft, driving the screw rod to rotate, the rotating screw rod can slowly extrude the material (coconut shell particles or urea particles) entering the feeding cylinder, and finally convey the material to the internal space of the rotary quantitative box 14 through the output port of the feeding cylinder, as the spiral feeding cylinder 13 continuously conveys the material to the internal space of the rotary quantitative box 14, the mass of the material entering the internal space of the rotary quantitative box 14 also becomes larger, when the mass of the material in the rotary quantitative box 14 reaches the set value, the electric motor can be turned off, so that the spiral feeding cylinder 13 stops conveying the material to the rotary quantitative box 14, ensuring that the mass of the material entering the rotary quantitative box 14 is accurate.

[0043] As an embodiment of the present application, as Figure 10As shown, the automatic linkage mechanism 15 comprises rotating seats 151 and a fixed seat 156, wherein the rotating seats 151 are symmetrically arranged on the two sides of the fixed seat 156 and are fixedly connected with the sides of the two rotary quantitative boxes 14 respectively, and the fixed seat 156 is fixedly arranged between the two mechanism housings 11, and it should be noted that the fixed seat 156 can be fixed in the middle position of the two mechanism housings 11 by bolts or other means, and the two sides of the fixed seat 156 are provided with rotating seats 151, and the rotating seats 151 are fixedly connected with the sides of the two rotary quantitative boxes 14 respectively, so that when the rotary quantitative boxes 14 rotate, the rotary quantitative boxes 14 can drive the rotating seats 151 fixedly connected therewith to rotate synchronously, so that the rotating seats 151 rotate on the sides of the fixed seat 156, and the fixed seat 156 can limit the rotation of the rotating seats 151 on its two sides, and only when the weights of the materials (coconut shell particles and urea particles) in the two rotary quantitative boxes 14 both reach the set value, the fixed seat 156 will simultaneously release the restriction of the rotating seats 151 on its two sides, so that the rotary quantitative boxes 14 can drive the rotating seats 151 to rotate 180° at the same time, and then the materials in the rotary quantitative boxes 14 are discharged into the mixing mechanism 2 for full mixing, so that the coconut shell particles and urea particles provided by the rotary quantitative boxes 14 to the mixing mechanism 2 can always be in the set mass ratio, and the stability of the finally produced carbon negative electrode material can be ensured.

[0044] As an embodiment of the present application, as shown in Figure 10 and Figure 11 As shown, the inner side of the rotating seat 151 is provided with a synchronous mechanism 152, the side of the synchronous mechanism 152 is connected with a limiting beam 153, the end of the limiting beam 153 is provided with a driving gear ring 154, the outer side of the driving gear ring 154 is provided with a transmission mechanism 155, and it should be noted that the number of the transmission mechanism 155 is at least two groups, Figure 7 The number of the transmission mechanism 155 in the above is four groups, and the four groups of transmission mechanisms 155 are uniformly distributed on the sides of the two driving gear rings 154, and the two rotary quantitative boxes 14 can act on the corresponding driving gear rings 154 through the synchronous mechanisms 152, so that the power of the synchronous mechanism 152 can be transmitted to the transmission mechanism 155 through the driving gear ring 154, so that the synchronous mechanism 152 can simultaneously transmit power to the corresponding transmission mechanism 155.

[0045] As an embodiment of the present application, as shown in Figure 12As shown, the rotating seat 151 comprises a rotating block 1511, an inner built-in groove 1512 is arranged on the inner side of the rotating block 1511, a cylindrical barrel 1513 is fixedly connected to the side surface of the rotating block 1511 at the position corresponding to the transmission mechanism 155, the inside of the cylindrical barrel 1513 is connected with a limiting lock tongue 1514 through a spring, it should be noted that one side (the side surface away from the fixed seat 156) of the rotating block 1511 is fixedly connected with the side surface of the rotary metering box 14, and the fixed connection can be realized through bolts, the inner built-in groove 1512 is arranged at the position corresponding to the synchronous mechanism 152, and is matched with the synchronous mechanism 152, that is, the synchronous mechanism 152 can be installed on the side surface of the rotating seat 151 through the inner built-in groove 1512, the position of the cylindrical barrel 1513 corresponds to the position of the transmission mechanism 155, and the number of the cylindrical barrels 1513 is also the same as the number of the transmission mechanism 155, the limiting lock tongue 1514 will exceed the end of the cylindrical barrel 1513 under the action of the spring force, when one end (the end away from the cylindrical barrel 1513) of the limiting lock tongue 1514 is extruded by external force, the limiting lock tongue 1514 can overcome the spring force and be embedded into the inside of the cylindrical barrel 1513.

[0046] As an embodiment of the present application, as shown in Figure 13 and Figure 14 As shown, the synchronous mechanism 152 comprises a transmission gear 1521, the transmission gear 1521 is installed at the center position of the rotating block 1511 through a rotating shaft, one end of the transmission gear 1521 is connected with a ratchet wheel 1525, the side surface of the transmission gear 1521 is engaged with two synchronous tooth blocks 1522 which are centrally symmetric (with the center of the transmission gear 1521 as the center), one end of the synchronous tooth block 1522 is fixedly connected with a synchronous lock block 1523, the inner side of the synchronous lock block 1523 is provided with a supporting spring 1524, it should be noted that the transmission gear 1521 is coaxially connected with the ratchet wheel 1525, as shown in Figure 14 and Figure 15 , the position of the synchronous mechanism 152 is the reference, when the ratchet wheel 1525 rotates counterclockwise, the ratchet wheel 1525 will drive the transmission gear 1521 to synchronously rotate counterclockwise, when the ratchet wheel 1525 rotates clockwise, the ratchet wheel 1525 will not drive the transmission gear 1521 to synchronously rotate clockwise, in addition, it should be emphasized that the limiting beam 153 is fixedly connected with the side surface of the transmission gear 1521, so when the transmission gear 1521 rotates counterclockwise, the transmission gear 1521 can be driven through the limiting beam 153;

[0047] When the transmission gear 1521 rotates counterclockwise, the transmission gear 1521 will drive the synchronous lock block 1523 through the synchronous gear block 1522 engaged with the side surface thereof, so that the two synchronous lock blocks 1523 move towards each other at the same time, i.e. the distance between the two synchronous lock blocks 1523 gradually decreases. During the movement towards each other, the two synchronous lock blocks 1523 will overcome the elastic force of the support spring 1524 arranged inside each of them. It is emphasized that the specification of the support spring 1524 is related to the material (coconut shell particles and urea particles) received by the rotary dosing box 14 corresponding to the support spring 1524. If the material received by the rotary dosing box 14 corresponding to the support spring 1524 has a large mass, the compression elastic force of the support spring 1524 will be large. If the material received by the rotary dosing box 14 corresponding to the support spring 1524 has a small mass, the compression elastic force of the support spring 1524 will be small.

[0048] The inside of one of the synchronous lock blocks 1523 on the side surface of the transmission gear 1521 is provided with an electrical terminal 1526. The inner wall of the built-in groove 1512 near the electrical terminal 1526 is provided with a terminal groove matched with the electrical terminal 1526. When the transmission gear 1521 rotates counterclockwise, the transmission gear 1521 will drive the synchronous lock block 1523 through the synchronous gear block 1522, so that the synchronous lock block 1523 overcomes the elastic force of the support spring 1524 and moves. The synchronous lock block 1523 will also drive the electrical terminal 1526 to move synchronously when it moves. When the mass of the material in the rotary dosing box 14 reaches a set value, the electrical terminal 1526 will be inserted into the terminal groove, and at the same time, the synchronous lock block 1523 will be completely retracted into the built-in groove 1512. A signal circuit is arranged between the electrical terminal 1526 and the terminal groove. When the electrical terminal 1526 cooperates with the terminal groove, the signal circuit will generate an electric signal, and the electric signal will be transmitted to the screw feeder cylinder 13, so that the motor in the screw feeder cylinder 13 stops working. In this way, the screw feeder cylinder 13 will stop feeding the material into the rotary dosing box 14 corresponding to the screw feeder cylinder 13, so that the screw feeder cylinder 13 can automatically stop working when the mass of the material in the rotary dosing box 14 reaches a set value.

[0049] As an embodiment of the present application, as Figures 10-17As shown, the transmission mechanism 155 comprises a ball nut 1551, the inside of the ball nut 1551 is inserted with a lead screw 1552, one end of the lead screw 1552 is inserted with a fixed rod 1553, the end of the fixed rod 1553 away from the lead screw 1552 is nested with a synchronous rod 1554, the inside of the fixed rod 1553 is installed with a synchronous gear 1555 at the middle position through a rotating shaft, the fixed rod 1553 is fixedly connected with the fixed seat 156, it should be noted that the inside of the driving gear ring 154 is fixedly connected with a gear ring extrusion block 1541 at the end position close to the synchronous lock block 1523, one end of the gear ring extrusion block 1541 is provided with a spring, when the synchronous lock block 1523 is retracted and moves into the slot 1512, the synchronous lock block 1523 will gradually separate from the gear ring extrusion block 1541, so that the spring of the gear ring extrusion block 1541 will drive the driving gear ring 154 to rotate under the action of the spring force, the rotating driving gear ring 154 will drive the ball nut 1551 to rotate, the rotating ball nut 1551 will cooperate with the lead screw 1552 to make the lead screw 1552 move along the axis direction of the ball nut 1551, like Figure 16 As shown, when the lead screw 1552 moves along the axis direction of the ball nut 1551, the lead screw 1552 will also drive the corresponding synchronous rod 1554 through the synchronous gear 1555, so that the synchronous rod 1554 moves along the axis of the ball nut 1551 in the opposite direction, so that the lead screw 1552 and the synchronous rod 1554 can simultaneously extrude the limit lock tongue 1514 at the end position, so as to extrude the limit lock tongue 1514 into the inside of the corresponding cylindrical barrel 1513, like Figure 10 、 Figure 13 and Figure 16 As shown, the two rotary metering boxes 14 are respectively arranged in the inside of the transmission mechanism 155, and the synchronous mechanism 152 in the inside of the corresponding rotating seat 151 of the two rotary metering boxes 14 can respectively act on the driving gear ring 154, so that the rotation of the two driving gear rings 154 does not interfere with each other, and the rotation angle of the two driving gear rings 154 is determined according to the mass of the material in the corresponding rotary metering box 14, when the mass of the material in one of the rotary metering boxes 14 does not reach the set value, the rotation angle of the driving gear ring 154 corresponding to the rotary metering box 14 reaches the maximum value, so that the lead screw 1552 and the synchronous rod 1554 corresponding to the driving gear ring 154 cannot completely extrude the limit lock tongue 1514 into the inside of the corresponding cylindrical barrel 1513, so that the limit lock tongue 1514 is clamped between the cylindrical barrel 1513 and the limiting hole 1563, which limits the rotation of the two rotating seats 151, that is, the rotation of the two rotary metering boxes 14, so that as long as the mass of the material in one of the rotary metering boxes 14 does not reach the set value, the rotary metering box 14 will not discharge, only when the mass of the material in the two rotary metering boxes 14 reaches the set value, the two rotary metering boxes 14 will be completely unlocked and rotate at the same time.

[0050] As one embodiment of the present invention, such as Figures 1-11 As shown, the fixing base 156 includes a fixing block 1561. A limiting groove 1562 is formed on the inner side of the fixing block 1561 near the synchronous locking block 1523. A limiting hole 1563 is formed on the inner side of the fixing block 1561 near the limiting locking tongue 1514. It should be noted that when the synchronous locking block 1523 retracts and moves into the inner groove 1512, the synchronous locking block 1523 will automatically disengage from the limiting groove 1562, thereby disengaging the limiting groove 1562 from the synchronous locking block 1523. Meanwhile, the lead screw 1552 and the synchronous rod 1554 will respectively press the limiting locking tongue 1514 embedded in the limiting hole 1563.

[0051] It should be emphasized that the rotating seat 151 is set on both sides of the fixed block 1561, and the rotating seat 151 is fixedly connected to the side of the rotating metering box 14. Therefore, when the position of the rotating seat 151 is locked, the position of the rotating metering box 14 will also be locked. Furthermore, the linkage between the transmission mechanism 155 and the fixed seat 156 will lock both rotating seats 151 at the same time. Only when the mass of the material inside both rotating metering boxes 14 reaches the set value will the transmission mechanism 155 release the lock of both rotating seats 151 at the same time. In this way, the two rotating metering boxes 14 can perform the material discharge operation by rotating.

[0052] It should also be noted that the two rotating metering boxes 14 are mounted on their respective outer shells 11 via shafts on the sides away from the rotating base 151. This allows the rotating metering boxes 14 to rotate inside the outer shell 11 via the rotating base 151 and the shafts. Therefore, the rotating metering boxes 14 are cylindrical in shape, and the inner cavity of the outer shell 11 also has a cylindrical cavity that fits the rotating metering box 14. Eccentric blocks are also fixedly connected to the sides of the two rotating metering boxes 14, with the two eccentric blocks positioned correspondingly. Thus, when both rotating metering boxes 14 are simultaneously unlocked, they will rotate towards the eccentric blocks under their influence. During the rotation of the rotating base 151, as the rotating metering boxes 14 rotate, ... Figure 11As shown, the fixed block 1561 will limit the position of the synchronous lock block 1523, so that the position of the synchronous lock block 1523 will not change during the rotation of the rotating seat 151, so that the synchronous lock block 1523 can always close the motor on the corresponding spiral feeding cylinder 13 through the power terminal 1526, so as to prevent the spiral feeding cylinder 13 from discharging during the rotation of the rotating quantitative box 14; when the rotating quantitative box 14 rotates 108°, the synchronous lock block 1523 will be aligned with the limiting groove 1562 again, so that the synchronous lock block 1523 will be embedded into the limiting groove 1562 again under the elastic force of the supporting spring 1524, so as to lock the rotating seat 151; during the movement of the synchronous lock block 1523, the power terminal 1526 will be driven to be separated from the terminal groove, so that the motor of the corresponding spiral feeding cylinder 13 will be opened again, so that the spiral feeding cylinder 13 can deliver materials into the rotating quantitative box 14;

[0053] During the movement of the synchronous lock block 1523 to the limiting groove 1562, the gear ring extrusion block 1541 will be pushed, so that the gear ring extrusion block 1541 will drive the driving gear ring 154 against the elastic force of the spring, so that the driving gear ring 154 will drive the ball nut 1551 again, so that the ball nut 1551 will move the lead screw 1552 and the synchronous rod 1554 towards each other, so that the lead screw 1552 and the synchronous rod 1554 will move towards the inner side of the limiting hole 1563, so that the limiting lock tongue 1514 will be embedded into the limiting hole 1563 again.

[0054] As an embodiment of the present application, as Figure 7 and Figure 8As shown, the weighing mechanism 16 comprises a first weighing plate 161 and a second weighing plate 162, the inner side of the first weighing plate 161 and the second weighing plate 162 is fixedly connected with a weighing rack 163, the weighing rack 163 is engaged with the ratchet wheel 1525, it is to be explained that the first weighing plate 161 and the second weighing plate 162 will respectively form a weighing space with the internal space of the rotary dosing box 14, and the two weighing spaces can cyclically receive the material discharged by the spiral feeding cylinder 13, when the spiral feeding cylinder 13 discharges the material to the rotary dosing box 14, taking the first weighing plate 161 being above as an example, the material will be accumulated on the top surface of the first weighing plate 161, the first weighing plate 161 will move downward under the action of the gravity of the material, the downward moving first weighing plate 161 will drive the ratchet wheel 1525 to rotate through the weighing rack 163, the rotating ratchet wheel 1525 will drive the transmission gear 1521 to rotate, the rotating transmission gear 1521 will drive the synchronous lock block 1523 through the synchronous tooth block 1522, so that the synchronous lock block 1523 can overcome the elastic force of the supporting spring 1524, with the continuous movement of the synchronous lock block 1523, the electric terminal 1526 will finally be matched with the terminal, which indicates that the mass of the material on the top surface of the first weighing plate 161 has reached the set value, and the matching of the electric terminal 1526 and the terminal can turn off the motor on the spiral feeding cylinder 13, so that the spiral feeding cylinder 13 stops discharging, thereby ensuring the accurate mass of the material entering the rotary dosing box 14, when the rotary dosing box 14 rotates 180°, the first weighing plate 161 will face downward, so that the material on the surface of the first weighing plate 161 will be automatically discharged into the mixing mechanism 2, and the second weighing plate 162 is located upward at this time, which can receive the material, the first weighing plate 161 and the second weighing plate 162 are repeatedly circulated to receive and discharge the material, thereby ensuring the accuracy of the mass of the material entering the mixing mechanism 2.

[0055] As an embodiment of the present application, as Figure 16 and Figure 17As shown, the mixing mechanism 2 comprises a mixing box 21, the inside of the mixing box 21 is provided with a mixing groove 211, the mixing groove 211 is in communication with the bottom end of the two mechanism housings 11 at the same time, it should be noted that when the two rotary quantitative boxes 14 rotate downward to discharge, the mixing groove 211 can simultaneously receive the materials in the two rotary quantitative boxes 14, so that the coconut shell particles and the urea particles are installed and set with a mass ratio into the mixing groove 211, an extrusion screw 23 is arranged at the bottom of the mixing groove 211, one end of the extrusion screw 23 is connected with a mixing motor 22, the end of the mixing groove 211 away from the mixing motor 22 is rotatably connected with a mixing cylinder 24, a spiral groove 25 is arranged in the inner cavity of the mixing cylinder 24, the end of the extrusion screw 23 away from the mixing motor 22 is directly fixedly connected with the end of the mixing cylinder 24, in use, the mixing motor 22 is turned on, the mixing motor 22 can drive the extrusion screw 23 to rotate, the rotating extrusion screw 23 can discharge the coconut shell particles and the urea particles in the mixing groove 211 into the mixing cylinder 24, the rotating extrusion screw 23 can also drive the mixing cylinder 24 to rotate at the same time, the coconut shell particles and the urea particles in the mixing cylinder 24 will be fully mixed in the spiral groove 25 under the rotation of the mixing cylinder 24, the spiral groove 25 can also slowly convey the coconut shell particles and the urea particles to the carbonization mechanism 3 while mixing the coconut shell particles and the urea particles, and the carbonization operation is performed in the carbonization mechanism 3;

[0056] As shown in the figure, Figure 18 The carbonization mechanism 3 comprises a heating furnace body 31, a rotating cylinder 32 is rotatably arranged in the inside of the heating furnace body 31, a plurality of partition plates 33 are arranged in the inside of the heating furnace body 31, the inside cavity of the heating furnace body 31 is divided into a plurality of heating cavities by the plurality of partition plates 33, the heating cavities can adopt electric heating or gas heating, each heating cavity can correspond to different heating intervals, for example, three heating intervals, [0℃, 300℃), [300℃, 600℃), [600℃, 1000℃), the specific selection is adapted to the hard carbon negative electrode material produced by the coconut shell particles and the urea particles by the person skilled in the art;

[0057] One end of the rotating cylinder 32 is directly connected with the spiral groove 25, so that the spiral groove 25 can convey the mixed coconut shell particles and urea particles to the rotating cylinder 32 when rotating. The rotating cylinder 32 is provided with a spiral plate 34 inside, and the side of the rotating cylinder 32 is nested with a worm gear 37. The bottom of the worm gear 37 is engaged with a worm 36, and one end of the worm 36 is provided with a driving motor 35. The output shaft of the driving motor 35 is engaged with the worm 36 through a gear. In use, the driving motor 35 is turned on, and the power of the driving motor 35 can be transmitted to the worm 36 through the output shaft, the worm 36 drives the worm gear 37, and the worm gear 37 drives the rotating cylinder 32, so as to realize the automatic rotation of the rotating cylinder 32. The rotating cylinder 32 cooperates with the spiral plate 34 inside to realize the movement of the material along the axis direction in the inner cavity of the rotating cylinder 32, and finally enters the discharge end cover 4. When the material reaches the discharge end cover 4, the heat treatment operation is completed, and the hard carbon negative electrode material is formed. The discharge end cover 4 is connected with the first screw conveying cylinder 5, so that the discharge end cover 4 can discharge the hard carbon negative electrode material into the first screw conveying cylinder 5. The first screw conveying cylinder 5 conveys the hard carbon negative electrode material to the second screw conveying cylinder 6, so that the hard carbon negative electrode material can be cooled between the first screw conveying cylinder 5 and the second screw conveying cylinder 6.

[0058] The above describes one embodiment of the present application in detail, but the above description is only the preferred embodiment of the present application, and cannot be considered as limiting the scope of the present application. Any equivalent changes and improvements made according to the scope of the present application should still belong to the scope of the present application.

Claims

1. A complete set of apparatus for preparing and modifying sodium-ion hard carbon anode materials, characterized in that, include: A quantitative mechanism (1) is used to receive biomass materials and modified materials; The mixing mechanism (2) is located at the bottom of the metering mechanism (1). The metering mechanism (1) determines whether to add the biomass material and the modified material to the mixing mechanism (2) simultaneously based on the mass ratio of the received biomass material and the modified material. A carbonization mechanism (3) is connected to a mixing mechanism (2), and the carbonization mechanism (3) is used to receive biomass materials and modified materials; The discharge end cap (4) is located at one end of the carbonization mechanism (3); The first screw conveyor (5) and the second screw conveyor (6) are connected together. The end of the first screw conveyor (5) away from the second screw conveyor (6) is connected to the bottom of the discharge end cover (4). The quantitative mechanism (1) includes two fixedly connected mechanism housings (11), and a rotating quantitative box (14) is provided on the inner side of each of the two mechanism housings (11). A weighing mechanism (16) is provided inside the rotating quantitative box (14). An automatic linkage mechanism (15) is provided between the two rotating quantitative boxes (14). The automatic linkage mechanism (15) includes a rotating seat (151) and a fixed seat (156). A synchronization mechanism (152) is provided on the inner side of the rotating seat (151). A limiting beam (153) is connected to the side of the synchronization mechanism (152). A drive gear ring (154) is provided at the end of the limiting beam (153). A transmission mechanism (155) is provided on the outer side of the drive gear ring (154). The synchronization mechanism (152) includes a transmission gear (1521), which is mounted at the center of the rotating block (1511) via a rotating shaft. One end of the transmission gear (1521) is connected to a ratchet (1525), and two centrally symmetrical synchronization teeth (1522) mesh on the side of the transmission gear (1521). One end of the synchronization teeth (1522) is fixedly connected to a synchronization locking block (1523), and a support spring (1524) is provided on the inner side of the synchronization locking block (1523). The transmission mechanism (155) includes two sets of symmetrical ball nuts (1551), and a lead screw (1552) is inserted through the inner side of each set of ball nuts (1551). A fixed rod (1553) is inserted between the two lead screws (1552), and the fixed rod (1553) is fixedly connected to the fixed seat (156). The weighing mechanism (16) includes a first weighing plate (161) and a second weighing plate (162). A weighing rack (163) is fixedly connected to the inner side of the first weighing plate (161) and the second weighing plate (162). The weighing rack (163) meshes with a ratchet (1525).

2. The complete set of equipment for preparing and modifying sodium-ion hard carbon anode materials according to claim 1, characterized in that, A spiral feed cylinder (13) is fixedly connected to one side of the top surface of the outer shell (11) of the mechanism, and a feed hopper (12) is connected to the top surface of the spiral feed cylinder (13).

3. The complete set of equipment for preparing and modifying sodium-ion hard carbon anode materials according to claim 2, characterized in that, The rotating seat (151) is symmetrically arranged on both sides of the fixed seat (156) and is fixedly connected to the sides of the two rotating metering boxes (14) respectively. The fixed seat (156) is fixedly arranged between the two mechanism shells (11).

4. The complete set of equipment for preparing and modifying sodium-ion hard carbon anode materials according to claim 3, characterized in that, The rotating seat (151) includes a rotating block (1511), an inner groove (1512) is provided on the inner side of the rotating block (1511), and a cylindrical tube (1513) is fixedly connected to the side of the rotating block (1511) at the position corresponding to the transmission mechanism (155). The inside of the cylindrical tube (1513) is connected to a limit lock tongue (1514) by a spring.

5. The complete set of equipment for preparing and modifying sodium-ion hard carbon anode materials according to claim 3, characterized in that, The fixing base (156) includes a fixing block (1561), a limiting groove (1562) is provided on the inner side of the fixing block (1561) near the synchronous locking block (1523), and a limiting hole (1563) is provided on the inner side of the fixing block (1561) near the limiting locking tongue (1514).

6. The complete set of equipment for preparing and modifying sodium-ion hard carbon anode materials according to claim 1, characterized in that, The mixing mechanism (2) includes a mixing box (21), and a mixing groove (211) is provided inside the mixing box (21). The mixing groove (211) is connected to the bottom of the two mechanism shells (11).

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