Smelting furnace for recycling waste batteries

Abstract

The invention discloses a smelting furnace for recycling waste batteries, and relates to the technical field of recycling and smelting of the waste batteries. The smelting furnace for recycling the waste batteries comprises an outer furnace body and two furnace covers which are symmetrically connected to the upper portion of the outer furnace body left and right in a sliding mode, a supporting column is arranged at the cavity bottom of the outer furnace body through a supporting and clamping unit, and a sorting mechanism used for introducing metal of different block diameters in the recycling process of the waste batteries into a separate storage smelting part is arranged on the upper portion of the outer furnace body. Granular metal and blocky metal are put into the separate storage smelting parts with different heights respectively, the melting process is optimized through the distance difference between the granular metal and the heating source, it is ensured that oxidation or evaporation loss caused by excessive heating of the granular metal is avoided, and therefore loss of valuable metal is reduced, and the recovery rate is increased; and then the waste battery metal is continuously stirred in the smelting process through the stirring and turning assembly, so that the materials make uniform contact with a heating area, the smelting efficiency and the heat utilization rate are further improved, and more efficient metal recovery is achieved.

Description

Technical Field

[0001] The invention relates to the technical field of waste battery recycling and smelting, in particular to a smelting furnace for recycling waste batteries. Background Art

[0002] The recycling of used batteries is an important resource recovery process, the purpose of which is to recover valuable metals in batteries and reduce pollution to the environment. Used batteries contain many harmful substances and valuable metal elements, such as lead, lithium, cobalt, nickel, manganese, cobalt, etc. These metals can be extracted and reused. Lithium batteries are currently the most commonly used type of batteries and are widely used in consumer electronics, energy storage and electric vehicles. Since lithium batteries contain rich valuable metals (such as lithium, cobalt, nickel, etc.), the recycling of lithium batteries is crucial for resource utilization and environmental protection. The recycling of used lithium batteries is usually divided into several stages: used batteries are collected and classified by type; the battery shell is crushed and then the plastic shell and other non-metallic parts are removed; the metal elements in the used batteries are extracted by smelting; in the recycling process of used lithium batteries, the smelting furnace is an important equipment. The smelting furnace melts the metal by high-temperature heating to achieve the purpose of separation and recycling.

[0003] In the smelting process of waste batteries, due to the different forms of metals, the existing smelting process usually pours the crushed metal mixture into the smelting furnace for smelting. This "one-pot smelting" method starts to melt in the early stage of smelting because of the small size of granular metal and the fast melting speed. The melting process of block metal is relatively slow due to its large volume and slow heat transfer. The melting difference of metals in different forms in the smelting furnace leads to temperature unevenness. The granular metal melts first and may be overheated, which in turn causes oxidation and evaporation losses, resulting in the loss of valuable metals. The melting of block metal lags behind and may not be completely melted, resulting in local low temperature, which reduces the recovery quality of the metal.

[0004] In addition, the existing "one-pot smelting" method cannot turn over the materials in the furnace, resulting in uneven heat distribution and failure to completely melt all metals, further affecting the recovery rate and effect. Summary of the invention

[0005] The present invention provides a smelting furnace for recycling waste batteries, which solves the problem of the existing "one-pot smelting" process in which a crushed metal mixture is uniformly poured into a smelting furnace for smelting. Since granular metal has a larger surface area and a faster melting speed, it usually starts to melt in the early stage of smelting, while block metal has a smaller surface area, slower heat transfer, and a slower melting process. This difference in melting speed leads to uneven temperature in the smelting furnace, which in turn causes oxidation and evaporation losses, resulting in waste of valuable metals and affecting the quality of metal recovery. In addition, since the materials in the furnace cannot be turned over, the heat distribution is uneven, and all metals cannot be completely melted, further affecting the recovery rate and effect. Technical problems.

[0006] The present invention provides a smelting furnace for recycling waste batteries, comprising an outer furnace body and two furnace covers symmetrically slidably connected to the upper part of the outer furnace body, the bottom of the outer furnace body cavity is provided with a support through a support card unit, and a material-separating smelting mechanism for separately smelting granular metals and block metals separated from the waste batteries is provided outside the support, and the material-separating smelting mechanism comprises two separate storage smelting parts respectively arranged on the support for placing the granular metals and block metals separated from the waste batteries, the two separate storage smelting parts are staggered in horizontal positions, and at the same time The heights of the two along the longitudinal direction are different, and they have different vertical height differences respectively. The separate storage and smelting part includes an arc ring fixedly connected to the outside of the pillar by a fixed block, a plurality of arc inner furnace shells equidistantly sleeved along the curvature of the arc ring and slidably connected to the outside of the arc ring and opened at the top, and a turning component arranged between the arc inner furnace shell and the pillar for turning the waste battery metal being smelted in the arc inner furnace shell. The upper part of the outer furnace body is provided with a sorting mechanism for respectively passing metals of different block diameters in the waste battery recovery into the separate storage and smelting part.

[0007] In a possible implementation, the sorting mechanism includes a supporting frame fixedly connected to the upper end surface of the outer furnace body by a fixing rod, a rectangular frame fixedly connected to the supporting frame by a connecting spring, a vibration motor is arranged on the rectangular frame, a material receiving plate is fixedly connected to the rectangular frame, sieve plates are symmetrically embedded on the material receiving plate, and the aperture of the left sieve plate is smaller than that of the right sieve plate.

[0008] In a possible implementation, the support card unit includes a support fixedly connected to the center of the bottom circle of the outer furnace cavity, a prismatic shaft is fixedly connected to the upper part of the support, and a socket matching the prismatic shaft is formed at the lower end of the support.

[0009] In a possible implementation, the flip assembly includes a slide groove provided on the cavity walls on opposite sides of the arc-shaped inner furnace body, a slider slidably connected to the slide groove, opposite sides of the two corresponding sliders are fixedly connected with a lug group, a telescopic frame is hingedly connected between the two corresponding lug groups, a shift plate is equidistantly arranged at the lower part of the telescopic frame, a bidirectional spring telescopic column is hingedly connected to the upper part of the two corresponding lug groups, the outside of the bidirectional spring telescopic column is rotatably connected to a connecting rod through a swivel, the outside of the column is slidably connected with a circular ring, a plurality of arc blocks corresponding to the connecting rod are circumferentially equidistantly slidably arranged on the outside of the circular ring, and the arc blocks are hinged to the upper ends of the corresponding connecting rods.

[0010] In a possible implementation, an annular groove is provided on the outer wall of the circular ring, the arc block is slidably connected in the annular groove, and the longitudinal section of the annular groove is C-shaped.

[0011] In a possible implementation, a pushing unit for cooperating with the circular ring is provided on the furnace cover located on the right part, and the pushing unit includes a sliding rod slidably connected to the furnace cover, two C-shaped clamps distributed along the axis of the sliding rod and fixedly connected to the outer wall of the sliding rod for cooperating with the circular ring, and an electric telescopic rod is fixedly connected to the upper end surface of the furnace cover through a connecting block.

[0012] In a possible implementation, the lower end surface of the bearing frame is fixedly connected to two material guide hoppers respectively located directly below the screen plate and corresponding to the separate storage and smelting parts through a connecting rod, and the material guide hoppers are located directly above the corresponding separate storage and smelting parts.

[0013] In a possible implementation, the material receiving plate is arranged in an inclined state with the left side higher than the right side, and a plurality of material blocking strips are fixedly connected to the screen plate at the left side at equal intervals.

[0014] In a possible implementation, upper portions of the side wall panels of two adjacent arc-shaped inner furnace shells that are close to each other are fixedly connected with inclined material guide plates, and the adjacent inclined material guide plates have opposite inclination directions.

[0015] In a possible implementation, a top spring is fixedly connected between two adjacent arc-shaped inner furnace shells, and a limiting ring is symmetrically fixedly connected to the outside of the arc-shaped ring.

[0016] It can be seen from the above technical solutions that the present invention has the following advantages: In the present invention, a sorting mechanism is combined with two separate smelting sections at different heights, and granular metal and lump metal are poured into separate smelting sections at different heights respectively. The difference in distance between the two separate smelting sections and the heating source at the bottom of the furnace body is utilized to ensure that different metal forms obtain appropriate heat, thereby optimizing the melting process of different metal forms. Granular metal will no longer be oxidized or evaporated due to excessive heating, and lump metal will not fail to melt due to too low a temperature, thereby reducing the loss of valuable metals, ensuring that all metals can be fully melted, and thus improving the recovery rate.

[0017] In the present invention, a plurality of arc-shaped inner furnace shells equidistantly distributed along an arc line are used in the outer furnace body to divide the waste battery metal into multiple parts, so that the waste battery metal is heated from multiple directions, thereby making the heating of the waste battery metal more uniform, which can effectively increase the heating range of the metal, thereby improving the uniformity of the smelting process.

[0018] In the present invention, the scrap battery metal is continuously moved by the turning assembly during the smelting process, so that the material can evenly contact the heating area in the furnace, ensuring that the granular metal and the block metal can be heated more comprehensively, thereby improving the overall smelting efficiency and heat utilization rate. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying creative work.

[0020] Figure 1 This is a schematic diagram of the structure of a smelting furnace for recycling waste batteries provided by the present invention.

[0021] Figure 2 This is a schematic diagram of the cross-sectional structure of the installation of the material-dividing smelting mechanism provided by the present invention.

[0022] Figure 3 The present invention provides Figure 2 Schematic diagram of the enlarged structure of part A in the figure.

[0023] Figure 4 This is a schematic diagram of the cross-sectional structure of the connection between the circular ring and the arc-shaped block provided by the present invention.

[0024] Figure 5 This is a schematic structural diagram of the material-dividing smelting mechanism provided by the present invention.

[0025] Figure 6 This is a partial structural schematic diagram of the divided smelting section provided by the present invention (part of the arc-shaped inner furnace shell is hidden).

[0026] Figure 7 This is a partial structural schematic diagram of the flip assembly provided by the present invention.

[0027] Figure 8 This is a schematic diagram of the structure of the material-dividing smelting mechanism provided by the present invention from a top view.

[0028] The above drawings include the following reference numerals: 1. External furnace body; 2. Furnace cover; 3. Support card unit; 31. Support; 32. Prismatic shaft; 4. Pillar; 5. Material-dividing smelting mechanism; 51. Separate smelting section; 511. Arc ring; 512. Arc-shaped inner furnace shell; 513. Turning assembly; 5131. Slide; 5132. Sliding block; 5133. Lug group; 5134. Telescopic frame; 5135. Turning plate; 5136. Bidirectional spring Telescopic column; 5137, connecting rod; 5138, circular ring; 5139, arc block; 6, sorting mechanism; 61, carrying frame; 62, rectangular frame; 63, vibration motor; 64, receiving plate; 65, sieve plate; 7, annular groove; 8, pushing unit; 81, sliding rod; 82, C-shaped clamp; 83, electric telescopic rod; 9, guide hopper; 10, inclined guide plate; 11, top spring; 12, limit ring. DETAILED DESCRIPTION

[0029] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific embodiments of the present invention are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the present invention, so the present invention is not limited by the specific embodiments disclosed below.

[0030] See also Figure 1 and Figure 2The present invention provides a technical solution: a smelting furnace for recycling waste batteries, comprising an outer furnace body 1 and two furnace covers 2 symmetrically slidably connected to the upper part of the outer furnace body 1, the bottom of the outer furnace body 1 is provided with a support 4 through a support card unit 3, the support card unit 3 comprises a support 31 fixedly connected to the center of the bottom of the outer furnace body 1, a prismatic shaft 32 is fixedly connected to the upper part of the support 31, a socket matching the prismatic shaft 32 is provided at the lower end of the support 4, and a plug for separating granular metal and block metal from waste batteries is provided on the outside of the support 4 The separate material smelting mechanism 5 for separately smelting metals comprises two separate storage and smelting sections 51 respectively arranged on the pillars 4 for placing the granular metal and the block metal separated from the waste batteries. The two separate storage and smelting sections 51 are staggered in the horizontal position, and at the same time, the heights of the two sections along the longitudinal direction are different, and they have different vertical height differences. The upper part of the outer furnace body 1 is provided with a sorting mechanism 6 for separately passing the metals of different block diameters in the waste battery recovery into the separate storage and smelting sections 51.

[0031] See also Figure 2 , Figure 5 , Figure 6 , Figure 7 and Figure 8 In this embodiment, the storage and smelting section 51 includes an arc ring 511 fixedly connected to the outside of the pillar 4 through a fixed block, a plurality of arc inner furnace shells 512 equidistantly sleeved along the arc of the arc ring 511 and slidably connected to the outside of the arc ring 511 and opened at the top, and a flipping assembly 513 arranged between the arc inner furnace shell 512 and the pillar 4 for flipping the waste battery metal being smelted in the arc inner furnace shell 512, a top spring 11 is fixedly connected between two adjacent arc inner furnace shells 512, a limiting ring 12 is symmetrically fixedly connected to the outside of the arc ring 511, and an inclined material guide plate 10 is fixedly connected to the upper part of the side wall panels of the adjacent two arc inner furnace shells 512 that are close to each other, and the adjacent inclined material guide plates 10 are inclined in opposite directions.

[0032] See also Figure 1 The sorting mechanism 6 includes a supporting frame 61 fixedly connected to the upper end surface of the outer furnace body 1 through a fixing rod, a rectangular frame 62 is fixedly connected to the supporting frame 61 through a connecting spring, a vibration motor 63 is arranged on the rectangular frame 62, a material receiving plate 64 is fixedly connected to the rectangular frame 62, sieve plates 65 are symmetrically embedded on the material receiving plate 64, the aperture of the sieve plate 65 on the left is smaller than the aperture of the sieve plate 65 on the right, and two material guide hoppers 9 are fixedly connected to the lower end surface of the supporting frame 61 through a connecting rod, which are respectively located directly below the sieve plate 65 and corresponding to the storage and smelting parts 51, and the material guide hopper 9 is located directly above the corresponding storage and smelting parts 51, the material receiving plate 64 is arranged in an inclined state with the left side higher and the right side lower, and a number of material blocking strips are fixedly connected to the sieve plate 65 on the left at an equal distance.

[0033] Pull the furnace cover 2 to both sides to open it, then manually or through an external pulling device to pull up the support pillar 4, the support pillar 4 then drives the separate smelting sections 51 to move upward, until the two separate smelting sections 51 are completely moved to the upper part of the outer furnace body 1, then manually or through external equipment to push the arc-shaped inner furnace shell 512 to move around the arc-shaped ring 511, so that each arc-shaped inner furnace shell 512 in the separate smelting section 51 moves toward the arc-shaped inner furnace shell 512 located in the middle, until the arc-shaped inner furnace shell 512 gathers and fits together, and the gathered arc-shaped inner furnace shell 512 then drives the corresponding two inclined material guide plates 10 to contact each other to form an inverted V shape.

[0034] Then, the crushed scrap battery metal is poured onto the sieve plate 65 located on the left, and then the vibration motor 63 is controlled to run to drive the receiving plate 64 to vibrate, and the receiving plate 64 then drives the sieve plate 65 and the rectangular frame 62 to vibrate, and the sieve plate 65 then causes the scrap battery metal material located on the upper part thereof to vibrate, and the left sieve plate 65 vibrates during the process of sieving the powdered and granular metals, so that the granular and powdered metals pass through the inside thereof into the guide hopper 9 located on the left, and then fall into the arc-shaped inner furnace shell 512 in the storage and smelting section 51 located on the left, and the slanted guide plates 10 that are in contact with each other are used to allow the granular and powdered metals to smoothly enter the arc-shaped inner furnace shell 512, and the material blocking strips on the left sieve plate 65 are used to extend the time that the scrap battery material stays on the left sieve plate 65, thereby ensuring that the granular and powdered scrap battery metals can be completely sieved by the left sieve plate 65.

[0035] The screened granular and powdered scrap battery metal rolls to the right onto the right sieve plate 65, and then the remaining block metal passes through the right sieve plate 65 and enters the guide hopper 9 on the right, and then enters the arc-shaped inner furnace shell 512 in the separate storage and smelting section 51 on the right, until the scrap battery material metal completely enters the corresponding separate storage and smelting section 51, and then the pressed arc-shaped inner furnace shell 512 is released, and the top spring 11 resets and pushes the arc-shaped inner furnace shell 512 to move along the arc ring 511, so that the arc-shaped inner furnace shell 512 in the separate storage and smelting section 51 moves away and disperses in an arc shape, and a distance is generated between two adjacent arc-shaped inner furnace shells 512, and then the pulled pillar 4 is sent to make the pillar 4 move downward under gravity, and the pillar 4 then drives the separate storage and smelting section 51 to move downward into the outer furnace body 1, and then pushes the two furnace covers 2 to move closer to each other until the two furnace covers 2 are matched together to seal the inside of the outer furnace body 1.

[0036] Existing smelting furnaces usually adopt a bottom heating method, which controls the operation of the outer furnace body 1 to make its lower part heat up, and the outer furnace body 1 then transfers the heat to the separate smelting section 51 located inside it. Since the left separate smelting section 51 is higher than the right separate smelting section 51 in longitudinal height, the right separate smelting section 51 will be heated by the lower part of the outer furnace body 1 before the separate smelting section 51, and the heat received by the right separate smelting section 51 is greater than that received by the left separate smelting section 51. Then, the scrap battery metal is heated from multiple directions through the arc-shaped inner furnace shell 512 evenly distributed along the arc, thereby increasing the heating range and accelerating the smelting speed, so that the heat can be distributed to the scrap battery metal at different heights as needed, avoiding the situation where the granular metal is over-smelted and heated, thereby ensuring that the granular metal and the block metal can be smelted synchronously.

[0037] See also Figure 3 , Figure 4 , Figure 6 and Figure 7 In this embodiment, the flip assembly 513 includes a slide groove 5131 provided on the cavity wall on the opposite sides of the arc-shaped inner furnace body, a slider 5132 slidably connected to the slide groove 5131, and the opposite sides of the two corresponding sliders 5132 are fixedly connected with a lug group 5133, and the corresponding two lug groups 5133 are jointly hinged with a telescopic frame 5134, and the lower part of the telescopic frame 5134 is equidistantly provided with a flip plate 5135, and the upper part of the corresponding two lug groups 5133 is jointly hinged with a bidirectional spring telescopic spring. Column 5136, the outside of the bidirectional spring telescopic column 5136 is rotatably connected to the connecting rod 5137 through a swivel, the outside of the pillar 4 is slidably connected to the ring 5138, and the outside of the ring 5138 is equidistantly slidably provided with a number of arc blocks 5139 corresponding to the connecting rod 5137. The arc blocks 5139 are hinged to the upper ends of the corresponding connecting rods 5137, and the outer wall of the ring 5138 is provided with an annular groove 7, and the arc blocks 5139 are slidably connected in the annular groove 7, and the longitudinal section of the annular groove 7 is C-shaped.

[0038] See also Figure 3 and Figure 6 A pushing unit 8 for cooperating with the circular ring 5138 is provided on the furnace cover 2 located on the right part. The pushing unit 8 includes a sliding rod 81 that penetrates and is slidably connected to the furnace cover 2, and two C-shaped clips 82 that are distributed along the axis of the sliding rod 81 and are fixedly connected to the outer wall of the sliding rod 81 for cooperating with the circular ring 5138. The upper end of the sliding rod 81 is fixedly connected to the upper end surface of the furnace cover 2 through a connecting block with an electric telescopic rod 83.

[0039] The bidirectional spring telescopic column 5136 is in its shortest length in its natural state, so that in the initial position, the slider 5132 is located at the shortest distance from the support 4. When the furnace cover 2 located on the right moves to the left and closes, it will also drive the slide bar 81 to move synchronously, and the slide bar 81 will drive the C-shaped clamp 82 to move. When the two furnace covers 2 are completely aligned, the two C-shaped clamps 82 are also driven to be sleeved on the outside of the ring 5138, and then the electric telescopic column is energized to drive the slide bar 81 to move up and down, and the slide bar 81 then drives the ring 5138 to move up and down When the ring 5138 of the slide rod 81 moves downward, the connecting rod 5137 is moved downward through the arc block 5139, and the connecting rod 5137 then presses the bidirectional spring telescopic column 5136. The bidirectional spring telescopic column 5136 then drives the slide block 5132 to move along the slide groove 5131 in the direction away from the pillar 4 through the lug group 5133. The two corresponding slide blocks 5132 located in the arc-shaped inner furnace shell 512 move synchronously and move away from each other, thereby pulling the telescopic frame 5134 to extend, and the telescopic frame 5134 then increases the spacing between the dial plates 5135.

[0040] When the slider 5132 moves along the slide groove 5131 to the position farthest away from the pillar 4, the electric telescopic rod 83 begins to extend and drives the slider 81 to move upward, and the slider 81 then drives the ring 5138 to move upward through the C-shaped clamp 82, and the ring 5138 then drives the connecting rod 5137 to move upward through the arc block 5139, and the connecting rod 5137 then pulls the slider 5132 along the slide groove 5131 toward the pillar 4 through the two-way spring telescopic column 5136. The corresponding two sliders 5132 move and move closer to each other at the same time, thereby shrinking the telescopic frame 5134, and the telescopic frame 5134 then drives the dial plate 5135 to narrow the distance. The dial plate 5135 reciprocates in the direction away from and close to the pillar 4 during the smelting process to stir the scrap battery metal in the arc-shaped inner furnace shell 512, to ensure that the scrap battery metal can be heated evenly and thoroughly.

[0041] During operation, the two furnace covers 2 are moved away from each other to open, and then the support 4 is pulled upward to drive the material-dividing smelting mechanism 5 to move out of the outer furnace body 1, and then the waste battery metal is poured into the sorting mechanism 6. After screening by the sorting mechanism 6, the granular metal and the block metal are respectively sent to the two separate smelting parts 51, and then the support 4 is loosened to make it move downward. The support 4 then drives the separate smelting part 51 containing the waste battery metal to move downward into the outer furnace body 1, and then the two furnace covers 2 are pushed to move closer to each other and closed, and then the lower part of the outer furnace body 1 is controlled to generate heat to melt the waste battery metal, and the two separate smelting parts 51 with different height distributions are used to manually heat the granular metal and the block metal to different degrees, and at the same time, the shifting mechanism is controlled by the pushing unit 8 to shift the waste battery metal in the separate smelting part 51 so that it is evenly heated.

[0042] In the description of the present invention, it is to be understood that the terms “center”, “longitudinal”, “lateral”, “length”, “width”, “thickness”, “up”, “down”, “front”, “back”, “left”, “vertical”, “horizontal”, “top”, “bottom”, “inside”, “outside”, “clockwise”, “counterclockwise”, “axial”, “radial”, “circumferential”, etc., indicating orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0043] In addition, the terms "first", "second", "number one", "number two" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first", "second", "number one", "number two" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0044] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like 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 an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0045] The embodiments of this specific implementation method are all preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention. Therefore, all equivalent changes made based on the structure, shape, and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A smelting furnace for recycling waste batteries, comprising an outer furnace body (1) and two furnace covers (2) symmetrically slidably connected to the upper part of the outer furnace body (1), characterized in that: The bottom of the outer furnace body (1) is provided with a support (4) through a support unit (3), and a material separation type smelting mechanism (5) for separately smelting granular metal and block metal separated from waste batteries is provided outside the support (4); The material-separating smelting mechanism (5) comprises two separate storage and smelting sections (51) respectively arranged on the pillars (4) for placing granular metal and block metal separated from the waste batteries, the two separate storage and smelting sections (51) are staggered in horizontal positions, and at the same time, the heights of the two sections along the longitudinal direction are different, and they have different vertical height differences; The storage and smelting section (51) comprises an arc-shaped ring (511) fixedly connected to the outside of the support (4) by a fixed block, a plurality of arc-shaped inner furnace shells (512) equidistantly sleeved along the arc of the arc-shaped ring (511) and slidably connected to the outside of the arc-shaped ring (511) and having an upper opening, and a turning assembly (513) arranged between the arc-shaped inner furnace shell (512) and the support (4) for turning the waste battery metal being smelted in the arc-shaped inner furnace shell (512); The upper part of the outer furnace body (1) is provided with a sorting mechanism (6) for respectively passing metals of different block diameters in the waste battery recycling into the separate storage and smelting section (51).

2. A smelting furnace for recycling waste batteries according to claim 1, characterized in that: The sorting mechanism (6) comprises a bearing frame (61) fixedly connected to the upper end surface of the outer furnace body (1) via a fixing rod, a rectangular frame (62) fixedly connected to the bearing frame (61) via a connecting spring, a vibration motor (63) being arranged on the rectangular frame (62), a material receiving plate (64) fixedly connected to the rectangular frame (62), a sieve plate (65) symmetrically embedded on the material receiving plate (64), and a hole diameter of the left sieve plate (65) being smaller than a hole diameter of the right sieve plate (65).

3. The smelting furnace for recycling used batteries according to claim 1, characterized in that: The support card unit (3) comprises a support (31) fixedly connected to the center of the bottom circle of the outer furnace body (1), a prismatic shaft (32) is fixedly connected to the upper part of the support (31), and a socket matching the prismatic shaft (32) is formed at the lower end of the support (4).

4. The smelting furnace for recycling used batteries according to claim 1, characterized in that: The flip assembly (513) comprises a slide groove (5131) provided on the cavity wall on the opposite sides of the arc-shaped inner furnace body, a slider (5132) slidably connected to the slide groove (5131), the opposite sides of the two corresponding sliders (5132) are fixedly connected with a lug group (5133), the two corresponding lug groups (5133) are hingedly connected with a telescopic frame (5134), the lower part of the telescopic frame (5134) is equidistantly provided with a flip plate (5135), and the two corresponding lugs are fixedly connected with a telescopic frame (5134). The upper part of the ear group (5133) is hinged with a bidirectional spring telescopic column (5136), the outer part of the bidirectional spring telescopic column (5136) is rotatably connected to a connecting rod (5137) through a swivel, the outer part of the pillar (4) is slidably connected to a circular ring (5138), and the outer part of the circular ring (5138) is provided with a plurality of arc blocks (5139) corresponding to the connecting rod (5137) at equal intervals in the circumferential direction, and the arc blocks (5139) are hinged with the upper ends of the corresponding connecting rods (5137).

5. The smelting furnace for recycling used batteries according to claim 4, characterized in that: The outer wall of the circular ring (5138) is provided with an annular groove (7), and the arc block (5139) is slidably connected in the annular groove (7), and the longitudinal section of the annular groove (7) is C-shaped.

6. The smelting furnace for recycling used batteries according to claim 4, characterized in that: The furnace cover (2) located on the right is provided with a pushing unit (8) for cooperating with the circular ring (5138), and the pushing unit (8) includes a sliding rod (81) that penetrates and is slidably connected to the furnace cover (2), two C-shaped clamps (82) that are distributed along the axis of the sliding rod (81) and are fixedly connected to the outer wall of the sliding rod (81) for cooperating with the circular ring (5138), and an electric telescopic rod (83) is fixedly connected between the upper end of the sliding rod (81) and the upper end surface of the furnace cover (2) through a connecting block.

7. The smelting furnace for recycling used batteries according to claim 2, characterized in that: The lower end surface of the bearing frame (61) is fixedly connected to two guide hoppers (9) respectively located directly below the screen plate (65) and corresponding to the storage and smelting sections (51) through a connecting rod, and the guide hoppers (9) are located directly above the corresponding storage and smelting sections (51).

8. The smelting furnace for recycling used batteries according to claim 2, characterized in that: The material receiving plate (64) is arranged in an inclined state with the left side higher than the right side, and a plurality of material blocking strips are fixedly connected to the sieve plate (65) located on the left side at equal intervals.

9. The smelting furnace for recycling used batteries according to claim 1, characterized in that: An inclined material guide plate (10) is fixedly connected to the upper part of the wall plates on one side close to each other of two adjacent arc-shaped inner furnace shells (512), and the adjacent inclined material guide plates (10) have opposite inclination directions.

10. The smelting furnace for recycling used batteries according to claim 1, characterized in that: A top spring (11) is fixedly connected between two adjacent arc-shaped inner furnace shells (512), and a limit ring (12) is symmetrically fixedly connected to the outside of the arc-shaped ring (511).

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