A closed resistance furnace for producing negative electrode materials

Abstract

The present invention provides a closed resistance furnace for producing negative electrode materials, comprising a furnace body, a furnace cover, a heating component, an exhaust gas control mechanism, a discharging mechanism and a cooling mechanism, wherein the negative electrode material can be placed inside the furnace body, the negative electrode material in the closed resistance furnace is heated by the heating component, and the exhaust gas control mechanism recovers the exhaust gas generated during the heating process, and the exhaust gas recovery and treatment can be achieved while ensuring that the temperature and pressure in the furnace are normal; at the same time, the cooling mechanism is conducive to heat insulation, which plays a significant role in the service life of the furnace body; the discharging mechanism is conducive to discharging, and automatic discharging can be completed without separating the furnace cover from the furnace body, thereby saving time, improving working efficiency, and ensuring the quality and strength of the negative electrode material.

Description

Technical Field

[0001] The invention relates to a resistance furnace for producing negative electrode materials, and in particular to a closed resistance furnace for producing negative electrode materials. Background Art

[0002] The resistance furnace is an industrial furnace that uses electric current to heat the electric heating element or heating medium in the furnace, thereby heating the workpiece or material. It is a heating furnace that uses electric current to pass through the resistance material to generate heat energy. The closed resistance furnace is an indirect heating resistance furnace. The resistance furnace uses electricity as the heat source, converts electrical energy into thermal energy through the electric heating element, and heats the metal in the furnace. Compared with the flame, the resistance furnace has a high thermal efficiency of 50-80%, the thermal system is easy to control, the working conditions are good, the furnace body has a long life, and is suitable for heating workpieces with strict requirements. The shell of this electric furnace is made of steel plate, and the material is placed inside. In the production process of negative electrode materials, the closed resistance furnace is favored by enterprises, but the traditional closed resistance furnace generally requires manual discharge, and the discharge efficiency is low. In addition, the resistance furnace is affected by temperature changes, and the furnace wall of the resistance furnace generally has different degrees of damage, resulting in poor insulation effect of the resistance furnace and serious heat loss. Summary of the invention

[0003] In view of this, it is necessary to provide a closed resistance furnace for producing negative electrode materials.

[0004] A closed resistance furnace for producing negative electrode materials comprises a furnace body, a furnace cover, a heating component, an exhaust gas control mechanism, a discharging mechanism and a cooling mechanism. The furnace cover is arranged on the upper part of the furnace body, and the front and rear walls of the furnace body are respectively arranged with heating components, the input end of the heating component is connected to an external power supply, and the output end of the heating component extends into the furnace body. The exhaust gas control mechanism is arranged at one end of the furnace body and communicated with the interior of the furnace body, the discharging mechanism is respectively arranged on the left and right sides of the furnace body and communicated with the interior of the furnace body, the cooling mechanism is arranged on the furnace cover and is arranged with the left and right walls of the furnace body, and the negative electrode material for heating is placed inside the furnace body.

[0005] Preferably, the bottom plate inside the furnace body is arched, the inside of the left and right furnace walls of the furnace body is divided into several cooling chambers by partitions, and the bottom of the cooling chamber is equipped with several discharge ports, which penetrate the left and right furnace walls.

[0006] Preferably, several parallel horizontal support plates are fixedly connected to the outer sides of the left and right furnace walls of the furnace body, the support columns are mounted on the outer sides of the horizontal support plates, and the bottoms of the support columns are fixedly installed with stabilizing plates, and circular holes are provided on the stabilizing plates, in which fastening screws can be mounted.

[0007] Preferably, the furnace cover is a concave structure, the two ends of the longitudinal connecting plate are fixedly connected to the left and right edges of the furnace cover respectively, the longitudinal connecting plate is equipped with an inspection pedal, and a gap is left between the longitudinal connecting plate and the bottom plate of the furnace cover.

[0008] Preferably, the heating assembly includes an electromagnetic plate, a substrate, a mounting seat, a resistor block and a conductive plate. The electromagnetic plate is mounted on the front and rear walls inside the furnace body, and the substrate is mounted on the front and rear walls outside the furnace body. The substrate is electrically connected to the electromagnetic plate, and the substrate is fixedly connected to the two mounting seats. The mounting seat is equipped with a resistor block, and the resistor block is connected to one end of the conductive plate by bolts, and the other end of the conductive plate is connected to an external power supply.

[0009] Preferably, the exhaust gas control mechanism includes an exhaust pipe, a recovery pipe and an exhaust gas control main valve. One end of the exhaust pipe extends into the furnace body, and the other end of the exhaust pipe is connected to the recovery pipe. The exhaust gas control main valve is installed on the recovery pipe, and the exhaust gas control main valve is opened and closed by electrical control.

[0010] Preferably, the discharging mechanism includes a discharging barrel, a locking rod, a connecting block, a connecting sleeve, an arc rod, a discharging barrel cover and a locking block. The discharging barrel and the connecting block are respectively mounted on the left and right furnace walls of the furnace body, and the discharging barrel is mounted on the discharging port. A plurality of locking rods are connected to the edge of the discharging barrel. Two connecting sleeves are mounted on the connecting block. The connecting sleeve is mounted on one end of the arc rod, and the other end of the arc rod is connected to the discharging barrel cover. A plurality of locking blocks are fixedly connected to the edge of the discharging barrel cover, and the locking blocks can cooperate with the locking rods.

[0011] Preferably, the cooling mechanism includes an inlet pump, a guide water pipe, a supply water pipe, a cooling water pipe, a condenser and a return water pipe. The inlet pump is installed on the top of the furnace cover, the output end of the inlet pump is connected to the water inlet of the guide water pipe, the output ends of the guide water pipe are respectively connected to the water inlets of the two supply water pipes, the bottom of the supply water pipe is connected to several cooling water pipes, the cooling water pipe passes through the furnace cover and extends into the cooling chamber, the condenser is fixedly installed on the longitudinal connecting plate, the input end of the condenser is connected to the return water pipe, and the return water pipe is respectively connected to the two supply water pipes.

[0012] The present invention provides a closed resistance furnace for producing negative electrode materials, wherein negative electrode materials can be placed inside the furnace body, the negative electrode materials in the closed resistance furnace are heated by a heating component, and the exhaust gas control mechanism recovers the exhaust gas generated during the heating process. While ensuring that the temperature and pressure in the furnace are normal, the exhaust gas recovery process can be achieved; at the same time, the cooling mechanism is beneficial to heat insulation, which plays a significant role in the service life of the furnace body; the discharging mechanism is beneficial to discharging, and automatic discharging can be completed without separating the furnace cover from the furnace body, which saves time, improves working efficiency, and ensures the quality and strength of the negative electrode material. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 A schematic diagram of the three-dimensional structure of a closed resistance furnace for producing negative electrode materials;

[0014] Figure 2 It is a front view schematic diagram of a closed resistance furnace for producing negative electrode materials;

[0015] Figure 3 The schematic diagram of the top view of a closed resistance furnace for producing negative electrode materials is shown in FIG.

[0016] Figure 4 It is a side view schematic diagram of the structure of a closed resistance furnace for producing negative electrode materials;

[0017] Figure 5 for Figure 4 Schematic diagram of the cross-sectional structure along the middle BB direction;

[0018] Figure 6 for Figure 1 The enlarged structural diagram of the middle 5 part;

[0019] In the figure: furnace body 1, furnace cover 2, heating assembly 3, exhaust gas control mechanism 4, discharging mechanism 5, cooling mechanism 6, partition 10, cooling chamber 11, discharging port 12, transverse support plate 13, support column 14, stabilizing plate 15, circular hole 16, longitudinal connecting plate 20, maintenance pedal 21, electromagnetic plate 30, base plate 31, mounting seat 32, resistor block 33, conductive plate 34, outlet pipe 40, recovery pipe 41, exhaust gas control main valve 42, discharging barrel 50, locking rod 51, connecting block 52, connecting sleeve 53, arc rod 54, discharging barrel cover 55, locking block 56, water inlet pump 60, guide water pipe 61, supply water pipe 62, cooling water pipe 63, condenser 64 and reflux water pipe 65. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the accompanying drawings of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0021] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present invention; 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 an indirect connection through an intermediate medium, or it can be a connection between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0022] Reference Figure 1-Figure 5 A closed resistance furnace for producing negative electrode materials comprises a furnace body 1, a furnace cover 2, a heating component 3, an exhaust gas control mechanism 4, a discharging mechanism 5 and a cooling mechanism 6. The furnace cover 2 is mounted on the upper part of the furnace body 1, and the heating components 3 are mounted on the front and rear walls of the furnace body 1 respectively. The input end of the heating component 3 is connected to an external power supply, and the output end of the heating component 3 extends into the furnace body 1. The exhaust gas control mechanism 4 is mounted at one end of the furnace body 1 and communicated with the interior of the furnace body 1. The discharging mechanism 5 is respectively mounted on the left and right sides of the furnace body 1 and communicated with the interior of the furnace body 1. The cooling mechanism 6 is mounted on the furnace cover 2 and is mounted on the left and right walls of the furnace body 1. Negative electrode materials for heating are placed inside the furnace body 1.

[0023] The bottom plate inside the furnace body 1 is arched, and the inside of the left and right furnace walls of the furnace body 1 is divided into a plurality of cooling chambers 11 by partitions 10. The bottom of the cooling chamber 11 is equipped with a plurality of discharge ports 12, which penetrate the left and right furnace walls of the furnace body 1.

[0024] A plurality of parallel horizontal support plates 13 are fixedly connected to the outer sides of the left and right furnace walls of the furnace body 1, and support columns 14 are mounted on the outer sides of the horizontal support plates 13. A stabilizing plate 15 is fixedly installed at the bottom of the support columns 14. A circular hole 16 is provided on the stabilizing plate 15, and a fastening screw can be mounted in the circular hole 16.

[0025] The furnace cover 2 is a concave structure, and the two ends of the longitudinal connecting plate 20 are fixedly connected to the left and right edges of the furnace cover 2 respectively. The longitudinal connecting plate 20 is equipped with an inspection pedal 21, and a gap is left between the longitudinal connecting plate 20 and the bottom plate of the furnace cover 2.

[0026] The heating assembly 3 includes an electromagnetic plate 30, a base plate 31, a mounting seat 32, a resistor block 33 and a conductive plate 34. The electromagnetic plate 30 is mounted on the front and rear walls inside the furnace body 1, and the base plate 31 is mounted on the front and rear walls outside the furnace body 1. The base plate 31 is electrically connected to the electromagnetic plate 30, and the base plate 31 is fixedly connected to the two mounting seats 32. The resistor block 33 is mounted on the mounting seat 32. The resistor block 33 is connected to one end of the conductive plate 34 by bolts, and the other end of the conductive plate 34 is connected to an external power supply.

[0027] The exhaust gas control mechanism 4 includes an exhaust gas pipe 40, a recovery pipe 41 and an exhaust gas control main valve 42. One end of the exhaust gas pipe 40 extends into the furnace body 1, and the other end of the exhaust gas pipe 40 is connected to the recovery pipe 41. The exhaust gas control main valve 42 is mounted on the recovery pipe 41, and the exhaust gas control main valve 42 is opened and closed by electrical control.

[0028] The discharging mechanism 5 includes a discharging barrel 50, a locking rod 51, a connecting block 52, a connecting sleeve 53, an arc rod 54, a discharging barrel cover 55 and a locking block 56. The discharging barrel 50 and the connecting block 52 are respectively mounted on the left and right furnace walls of the furnace body 1, and the discharging barrel 50 is mounted with the discharging port 12. A plurality of locking rods 51 are connected to the edge of the discharging barrel 50. Two connecting sleeves 53 are mounted on the connecting block 52. The connecting sleeve 53 is fitted with one end of the arc rod 54. The other end of the arc rod 54 is connected to the discharging barrel cover 55. A plurality of locking blocks 56 are fixedly connected to the edge of the discharging barrel cover 55, and the locking blocks 56 can cooperate with the locking rod 51.

[0029] The cooling mechanism 6 includes an inlet pump 60, a guide water pipe 61, a supply water pipe 62, a cooling water pipe 63, a condenser 64 and a return water pipe 65. The inlet pump 60 is installed on the top of the furnace cover 2. The output end of the inlet pump 60 is connected to the water inlet of the guide water pipe 61. The output ends of the guide water pipe 61 are respectively connected to the water inlets of the two supply water pipes 62. The bottom of the supply water pipe 62 is connected to a plurality of cooling water pipes 63. The cooling water pipe 63 passes through the furnace cover 2 and extends into the cooling chamber 11. The condenser 64 is fixedly installed on the longitudinal connecting plate 20. The input end of the condenser 64 is connected to the return water pipe 65. The return water pipe 65 is respectively connected to the two supply water pipes 62.

[0030] Working principle: When in use, separate the furnace cover 2 from the furnace body 1, transport the negative electrode material to the inside of the furnace body 1 through the discharging machine, then close the furnace cover 2, connect the conductive plate 34 to the external power supply, and control the exhaust gas control main valve 42 to close, so that the furnace body 1 can heat up as quickly as possible. After heating for a period of time, control the exhaust gas control main valve 42 to open to prevent the internal temperature of the furnace body 1 from being too high, and at the same time, the exhaust gas can be recycled. In order to ensure the safety of the furnace body 1, during operation, clean water is poured into the furnace cover 2 through a water pump to form a cooling water pool to cool the furnace cover 2. At the same time, under the action of the water inlet pump 60, the water in the water pool is transported to the cooling chamber 11 in the middle of the left and right furnace walls of the furnace body 1 to cool the furnace walls. When the temperature is too high, the water in the cooling chamber 11 is cooled by the condenser 64, and the cooled water is re-transported to the water pool to achieve repeated recycling. When discharging, the locking rod 51 is separated from the locking block 56, and the material is discharged from the bottom of the furnace body 1. Since the bottom of the furnace body 1 is an arched structure, it will be beneficial to the discharging.

[0031] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A closed resistance furnace for producing negative electrode materials, characterized in that: The invention comprises a furnace body (1), a furnace cover (2), a heating component (3), an exhaust gas control mechanism (4), a discharging mechanism (5) and a cooling mechanism (6), wherein the furnace cover (2) is mounted on the upper part of the furnace body (1), the front and rear walls of the furnace body (1) are respectively mounted with the heating components (3), the input end of the heating component (3) is connected to an external power source, and the output end of the heating component (3) extends into the furnace body (1), the exhaust gas control mechanism (4) is mounted on one end of the furnace body (1) and communicates with the interior of the furnace body (1), the discharging mechanism (5) is respectively mounted on the left and right sides of the furnace body (1) and communicates with the interior of the furnace body (1), the cooling mechanism (6) is mounted on the furnace cover (2) and mounted on the left and right walls of the furnace body (1), and a negative electrode material for heating is placed inside the furnace body (1); The bottom plate inside the furnace body (1) is arched, and the inside of the left and right furnace walls of the furnace body (1) is divided into a plurality of cooling chambers (11) by partitions (10). The bottom of the cooling chamber (11) is equipped with a plurality of discharge ports (12), and the discharge ports (12) penetrate the left and right furnace walls of the furnace body (1); The furnace cover (2) is a concave structure, and the two ends of the longitudinal connecting plate (20) are respectively fixedly connected to the left and right edges of the furnace cover (2), and the longitudinal connecting plate (20) is equipped with an inspection pedal (21), and a gap is left between the longitudinal connecting plate (20) and the bottom plate of the furnace cover (2); The discharging mechanism (5) comprises a discharging barrel (50), a locking rod (51), a connecting block (52), a connecting sleeve (53), an arc-shaped rod (54), a discharging barrel cover (55) and a locking block (56). The discharging barrel (50) and the connecting block (52) are respectively mounted on the left and right furnace walls of the furnace body (1), and the discharging barrel (50) is mounted on the discharging port (12). The edge of the discharging barrel (50) is connected to a plurality of locking rods (51). Two connecting sleeves (53) are mounted on the connecting block (52). The connecting sleeve (53) is fitted on one end of the arc-shaped rod (54). The other end of the arc-shaped rod (54) is connected to the discharging barrel cover (55). A plurality of locking blocks (56) are fixedly connected to the edge of the discharging barrel cover (55). The locking blocks (56) can cooperate with the locking rods (51). The cooling mechanism (6) comprises a water inlet pump (60), a guide water pipe (61), a supply water pipe (62), a cooling water pipe (63), a condenser (64) and a return water pipe (65). The water inlet pump (60) is mounted on the top of the furnace cover (2). The output end of the water inlet pump (60) is connected to the water inlet of the guide water pipe (61). The output end of the guide water pipe (61) is respectively connected to the water inlets of two supply water pipes (62). The bottom of the supply water pipe (62) is connected to a plurality of cooling water pipes (63). The cooling water pipe (63) passes through the furnace cover (2) and extends into the cooling chamber (11). The condenser (64) is fixedly mounted on the longitudinal connecting plate (20). The input end of the condenser (64) is connected to the return water pipe (65). The return water pipe (65) is respectively connected to the two supply water pipes (62).

2. The closed resistance furnace for producing negative electrode materials according to claim 1, characterized in that: A plurality of parallel horizontal support plates (13) are fixedly connected to the outer sides of the left and right furnace walls of the furnace body (1), a support column (14) is mounted on the outer sides of the horizontal support plates (13), and a stabilizing plate (15) is fixedly mounted on the bottom of the support column (14), a circular hole (16) is provided on the stabilizing plate (15), and a fastening screw can be mounted in the circular hole (16).

3. The closed resistance furnace for producing negative electrode materials according to claim 1, characterized in that: The heating assembly (3) comprises an electromagnetic plate (30), a base plate (31), a mounting seat (32), a resistor block (33) and a conductive plate (34); the electromagnetic plate (30) is mounted on the front and rear walls inside the furnace body (1); the base plate (31) is mounted on the front and rear walls outside the furnace body (1); the base plate (31) is electrically connected to the electromagnetic plate (30); the base plate (31) is fixedly connected to the two mounting seats (32); the resistor block (33) is mounted on the mounting seat (32); the resistor block (33) is connected to one end of the conductive plate (34) by bolts; and the other end of the conductive plate (34) is connected to an external power source.

4. The closed resistance furnace for producing negative electrode materials according to claim 1, characterized in that: The exhaust gas control mechanism (4) comprises an exhaust gas outlet pipe (40), a recovery pipe (41) and an exhaust gas control main valve (42). One end of the exhaust gas outlet pipe (40) extends into the furnace body (1), and the other end of the exhaust gas outlet pipe (40) is connected to the recovery pipe (41). The exhaust gas control main valve (42) is mounted on the recovery pipe (41), and the exhaust gas control main valve (42) is opened and closed by electrical control.

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