Partitioned calcining kiln for purifying electrode iron

Abstract

The utility model discloses a partitioned calcining furnace for purifying electrode iron. The partitioned calcining furnace comprises an inner side rotary furnace body and an outer side fixed furnace body, the inner side rotary furnace body is correspondingly and concentrically embedded in the outer side fixed furnace body, a bearing assembly is correspondingly installed between the inner side rotary furnace body and the outer side fixed furnace body, a driving assembly is further installed on the outer side fixed furnace body, and the inner side rotary furnace body can correspondingly rotate through cooperation of the driving assembly and the bearing assembly. According to the device, the positions and structures of the feeding barrel and the discharging barrel are set in detail, the feeding barrel is installed in the inner side rotating barrel in an inserted mode, and the discharging barrel is correspondingly installed outside the inner side rotating barrel in a sleeving mode, so that materials can be smoothly fed in and discharged out; and bearing assemblies are installed at the positions, corresponding to the inner side rotating cylinder body, of the feeding cylinder body and the discharging cylinder body, the structural design is more reasonable, and feeding and discharging are quite convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to the production equipment technical field of lithium battery, specifically speak to a kind of for purifying electrode iron partition type calcining furnace. BACKGROUND

[0002] In prior art, electrode iron is essential material in lithium battery production process, and the purification mode of electrode iron is usually realized by calcining means, and the existing calcining equipment is usually provided with the structure of double-layer calcining furnace, and the specific structure can be checked as follows prior art.

[0003] For example: the "lithium battery calcination rotary kiln" disclosed in the publication (announcement) No. CN114018042A, which includes a base and a kiln body, the kiln body is rotatably supported on the base, the outer side of the kiln body is sleeved with a conductive slip ring, the kiln body includes a heat conducting layer, a heating layer, a heat preservation and insulation layer and a protective layer arranged coaxially from inside to outside, a plurality of heating elements are uniformly arranged in the heating layer, a plurality of axially arranged material blocking protrusions are uniformly arranged on the inner wall of the heat conducting layer, a plurality of support columns are uniformly connected to the outer wall of the heat conducting layer, and the end of the support column away from the heat conducting layer is fixedly connected with the protective layer after penetrating through the heating layer and the heat preservation and insulation layer. The equipment structure is compact, the heat loss is effectively reduced, the heating efficiency is high, the calcination is uniform, and the stability of material performance is improved.

[0004] For example: the "lithium battery production kiln" disclosed in the publication (announcement) No. CN213599811U, which includes a kiln body and a conveying device located on the kiln body, the conveying device includes a plurality of rotating rollers, a driven gear located at one end of the rotating roller, a driving motor located on the kiln body, a driving gear connected with the driving shaft of the driving motor, an auxiliary gear located on the kiln body, and a conveying chain, the rotating roller shaft is parallel, the rotating roller penetrates through the kiln body and is arranged, one end of the rotating roller extending out of the kiln body is connected with the driven gear, the other end is rotatably connected with the kiln body, the conveying chain is wound around the driving gear, the driven gear and the auxiliary gear, the auxiliary gear is provided with a tensioning device, the tensioning device includes a sliding block capable of sliding along the kiln body, a screw rod rotatably connected with the sliding block penetrating through the kiln body, the auxiliary gear is located on the sliding block, and the auxiliary gear is rotatably connected with the sliding block. The present application has the effect of improving the conveying capacity of the rotating roller.

[0005] In the above technical solution, for example, in the rotary kiln, the material is directly placed in the kiln and rotates with the rotary kiln. During the rotation of the rotary kiln, the external heating device heats the rotary kiln, thereby calcining the material placed in the rotary kiln. In this process, the material in the rotary kiln is fed through the front feeding device. In some cases, if the feeding device feeds too much material, the material may be stacked in the rotary kiln. Although the material can rotate with the rotary kiln to reduce stacking, the material will eventually fall to the position directly below, and stacking may still occur, which may seriously affect the quality and efficiency of calcination and the purification of electrode iron.

[0006] Therefore, in order to solve the above problems, it is necessary to develop a partitioned calcination kiln for purifying electrode iron, which has a reasonable structure and can improve the calcination efficiency and quality. Content of the utility model

[0007] The utility model aims at the deficiency of prior art, provides a kind of partitioned calcination kiln for purifying electrode iron;Its technical scheme is as follows:

[0008] A partitioned calcination kiln for purifying electrode iron, comprising an inner rotating furnace body and an outer fixed furnace body. The inner rotating furnace body is embedded in the outer fixed furnace body with the same center. A bearing assembly is installed between the inner rotating furnace body and the outer fixed furnace body. A driving assembly is also installed on the outer fixed furnace body. The inner rotating furnace body can rotate correspondingly through the cooperation of the driving assembly and the bearing assembly.

[0009] The inner rotating furnace body and the outer fixed furnace body are both inclined. A feeding cylinder is installed at the feeding port of the inner rotating furnace body. The feeding cylinder is inserted into the inner rotating furnace body, so that the material entering from the feeding cylinder enters the inner rotating furnace body. A discharging cylinder is installed at the discharging port of the inner rotating furnace body. The discharging cylinder is fitted outside the inner rotating furnace body, so that the material discharged from the inner rotating furnace body enters the discharging cylinder.

[0010] Further, the feeding cylinder and the discharging cylinder are both L-shaped cylinder structures. The feeding cylinder is bent upwards, and the discharging cylinder is bent downwards.

[0011] Further, the feeding cylinder is installed with a matching bearing assembly at the feeding port of the inner rotating furnace body. The discharging cylinder is also installed with a matching bearing assembly at the discharging port of the inner rotating furnace body.

[0012] Further, the driving assembly comprises a driving mechanism corresponding mounted on the outer fixed furnace body, a driving gear is mounted on the main shaft of the driving mechanism, and an annular rack is mounted on the outer wall of the inner rotating furnace body, the driving gear is correspondingly meshed with the annular rack, so that the inner rotating furnace body is driven to rotate correspondingly by the driving mechanism.

[0013] Further, the inner wall of the outer fixed furnace body is provided with uniformly distributed heating elements.

[0014] Further, a cylinder is arranged at the middle position of the inner rotating furnace body, the cylinder is coaxially arranged with the inner rotating furnace body, and a partition plate is further arranged between the cylinder and the inner rotating furnace body, so that the area between the cylinder and the inner rotating furnace body is divided into several equal calcination areas.

[0015] Further, the partition plate is provided with four, and the corresponding internal calcination area is also provided with four; and the front end and the rear end of the cylinder are provided with pointed end portions.

[0016] Beneficial effects: the utility model has the following beneficial effects:

[0017] 1) The device is provided with a feeding cylinder body and a discharging cylinder body, an inner rotating furnace body and an outer fixed furnace body, the inner rotating furnace body can rotate correspondingly through the driving assembly and the bearing assembly, the outer fixed furnace body is fixed correspondingly, the heating elements are arranged in the inner rotating furnace body, the material in the inner rotating furnace body is calcined and heated, the specific arrangement of the driving assembly and the specific installation of the bearing assembly are stable in structure and convenient to use.

[0018] 2) The device is provided with the position and structure of the feeding cylinder body and the discharging cylinder body, the feeding cylinder body is insertedly mounted in the inner rotating cylinder body, the discharging cylinder body is correspondingly sleeved on the outer portion of the inner rotating cylinder body, the material can be smoothly fed and discharged, the bearing assembly is arranged at the corresponding position of the feeding cylinder body and the discharging cylinder body, the structure design is more reasonable, and the feeding and discharging are very convenient.

[0019] 3) The device is provided with a partition structure in the inside of the inside rotary furnace body, and a cylindrical body with the same center is arranged in the inside of the inside rotary furnace body, so that a circular ring-shaped area is formed between the cylindrical body and the inside rotary furnace body, and then the area is divided into four equal calcination areas through the partition plate, so that the material coming from the feeding cylinder is correspondingly divided into the four calcination areas when the inside rotary furnace body rotates, and each calcination area corresponds to a part of the material, so that the accumulation of too much material can be effectively prevented, and the inner wall of the outside fixed furnace body is provided with a heating element, so that the material can be calcined at high temperature when rotating in the calcination area, and the structure is reasonable and the design is ingenious;

[0020] 4) The device is provided with the middle cylindrical body, so that the material entering the calcination area can be close to the inner wall of the inside rotary furnace body, and is more easily calcined, and the calcination quality is improved; in addition, the feeding cylinder and the discharging cylinder do not hinder the arrangement of the middle cylindrical body, and the sharp end is arranged at the front end and the rear end of the cylindrical body, so that the material can more conveniently enter the calcination area, and the structure is reasonable. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a structure diagram of the embodiment 1 of the utility model;

[0022] Figure 2 It is Figure 1 A-A sectional view;

[0023] Figure 3 It is a structure diagram of the embodiment 2 of the utility model;

[0024] Figure 4 It is Figure 3 B-B sectional view;

[0025] Among them, the inside rotary furnace body 1; the outside fixed furnace body 2; the bearing assembly 3; the calcination area 4; the feeding cylinder 5; the discharging cylinder 6; the driving mechanism 7; the driving gear 8; the ring gear 9; the heating element 10; the cylindrical body 11; the partition plate 12. DETAILED DESCRIPTION

[0026] The utility model will be further illustrated in combination with the drawings and specific embodiments, and the embodiments are implemented on the premise of the technical scheme of the utility model, and it should be understood that the embodiments are only used for illustrating the utility model and are not used for limiting the scope of the utility model.

[0027] Embodiment 1

[0028] As Figure 1 And Figure 2As shown, the partitioned calcining furnace for purifying electrode iron of the embodiment comprises an inner rotating furnace body 1 and an outer fixed furnace body 2; the inner rotating furnace body 1 of the embodiment is embedded in the inner part of the outer fixed furnace body 2 with the same center, and a bearing assembly 3 is installed between the inner rotating furnace body 1 and the outer fixed furnace body 2, and a driving assembly is also installed on the outer fixed furnace body 2, and the inner rotating furnace body 1 can rotate correspondingly through the cooperation of the driving assembly and the bearing assembly 3;

[0029] The inner rotating furnace body 1 and the outer fixed furnace body 2 of the embodiment are both placed correspondingly in an inclined manner, and a feeding cylinder 5 is arranged at the feeding port position of the inner rotating furnace body 1, which is insertedly installed in the inner rotating furnace body 1, so that the material 13 entering from the feeding cylinder 5 enters the inner rotating furnace body 1 correspondingly; and a discharging cylinder 6 is arranged at the discharging port position of the inner rotating furnace body 1, which is sleeved on the outer part of the inner rotating furnace body 1, so that the material 13 coming out of the inner rotating furnace body 1 enters the discharging cylinder 6 correspondingly.

[0030] The feeding cylinder 5 and the discharging cylinder 6 of the embodiment are both arranged as L-shaped cylinder structures, the feeding cylinder 5 is arranged to be upwardly bent, and the discharging cylinder 6 is arranged to be downwardly bent.

[0031] The feeding cylinder 5 of the embodiment is correspondingly installed with the bearing assembly 3 for use at the feeding port position of the inner rotating furnace body 1; and the discharging cylinder 6 of the embodiment is also correspondingly installed with the bearing assembly 3 for use at the discharging port position of the inner rotating furnace body 1.

[0032] The driving assembly of the embodiment comprises a driving mechanism 7 correspondingly installed on the outer fixed furnace body 2, a driving gear 8 is installed on the main shaft of the driving mechanism 7, an annular rack 9 is installed on the outer wall of the inner rotating furnace body 1 of the embodiment, the driving gear 8 and the annular rack 9 of the embodiment are correspondingly meshed and installed, so as to drive the inner rotating furnace body 1 to rotate correspondingly through the driving mechanism 7; and the inner wall of the outer fixed furnace body 2 of the embodiment is installed with uniformly distributed heating elements 10.

[0033] The technical scheme of the embodiment is provided with the feeding cylinder, the discharging cylinder, the inner rotating furnace body and the outer fixed furnace body, the inner rotating furnace body can rotate correspondingly and the outer fixed furnace body can be fixed correspondingly through the driving assembly and the bearing assembly, and the inner rotating furnace body is heated through the heating elements arranged in the inner part of the outer fixed furnace body, so as to realize the calcining and heating of the material entering the inner rotating furnace body, and the specific arrangement of the driving assembly and the specific installation of the bearing assembly make the structure of the embodiment stable and convenient to use.

[0034] The positions and structures of the feeding cylinder and the discharging cylinder are set in detail in the embodiment. The feeding cylinder is insertedly installed in the inside of the inside rotating cylinder, and the discharging cylinder is correspondingly sleeved on the outside of the inside rotating cylinder, so that the materials can be smoothly fed and discharged, and the feeding cylinder and the discharging cylinder are both provided with bearing assemblies at the corresponding positions of the inside rotating cylinder, and the structure design is more reasonable, and the feeding and discharging are very convenient.

[0035] Embodiment 2

[0036] As shown in Figure 3 and Figure 4 , the embodiment is a partition type calcining furnace for purifying electrode iron, which comprises an inside rotating furnace body 1 and an outside fixed furnace body 2. The inside rotating furnace body 1 is correspondingly embedded in the inside of the outside fixed furnace body 2 with the same center, and a bearing assembly 3 is correspondingly installed between the inside rotating furnace body 1 and the outside fixed furnace body 2. A driving assembly is further installed on the outside fixed furnace body 2, and the inside rotating furnace body 1 can be correspondingly rotated through the cooperation of the driving assembly and the bearing assembly 3.

[0037] The inside rotating furnace body 1 and the outside fixed furnace body 2 are both correspondingly placed obliquely, and a feeding cylinder 5 is arranged at the feeding port position of the inside rotating furnace body 1. The feeding cylinder 5 is insertedly installed in the inside rotating furnace body 1, so that the materials 13 entering from the feeding cylinder 5 can enter the inside rotating furnace body 1 correspondingly. A discharging cylinder 6 is arranged at the discharging port position of the inside rotating furnace body 1, and the discharging cylinder 6 is sleeved on the outside of the inside rotating furnace body 1, so that the materials 13 coming out of the inside rotating furnace body 1 can enter the discharging cylinder 6 correspondingly.

[0038] The feeding cylinder 5 and the discharging cylinder 6 are both arranged as L-shaped cylinder structures. The feeding cylinder 5 is arranged to be upwardly bent, and the discharging cylinder 6 is arranged to be downwardly bent.

[0039] The feeding cylinder 5 is correspondingly provided with a bearing assembly 3 for cooperation at the feeding port position of the inside rotating furnace body 1. The discharging cylinder 6 is also correspondingly provided with a bearing assembly 3 for cooperation at the discharging port position of the inside rotating furnace body 1.

[0040] The driving assembly comprises a driving mechanism 7 correspondingly installed on the outside fixed furnace body 2. A driving gear 8 is installed on the main shaft of the driving mechanism 7, and an annular rack 9 is installed on the outer wall of the inside rotating furnace body 1. The driving gear 8 and the annular rack 9 are correspondingly meshed and installed, so that the inside rotating furnace body 1 can be correspondingly rotated through the driving mechanism 7.

[0041] Uniformly distributed heating elements 10 are installed on the inner wall of the outside fixed furnace body 2.

[0042] The inner side rotary furnace body 1 is also provided with a cylinder 11 at the middle position of the inner side rotary furnace body 1, the cylinder 11 is coaxial with the inner side rotary furnace body 1, and a partition plate 12 is installed between the cylinder 11 and the inner side rotary furnace body 1, and the area between the cylinder 11 and the inner side rotary furnace body 1 is divided into several equal calcination areas 4 by the partition plate 12.

[0043] The partition plate 12 of the embodiment is provided with four, and the corresponding internal calcination area 4 is also provided with four; and the front end and the rear end of the cylinder 11 are provided with pointed end portions.

[0044] The technical scheme of the embodiment is that a partition structure is arranged in the inner side rotary furnace body based on the technical scheme of the embodiment 1, first, a cylinder coaxial with the inner side rotary furnace body is arranged in the inner side rotary furnace body, so that a circular ring-shaped area is formed between the cylinder and the inner side rotary furnace body, and then the area is divided into four equal calcination areas by the partition plate, after the arrangement, the material coming from the feeding cylinder is correspondingly divided into the four calcination areas when the inner side rotary furnace body rotates, and each calcination area corresponds to a part of the material, so that the accumulation of too much material can be effectively prevented, and the inner wall of the outer side fixed furnace body is provided with a heating element, when the material rotates in the calcination area, the material can also be calcined at high temperature, the structure is reasonable, and the design is ingenious.

[0045] And after the middle cylinder is arranged, the material entering the calcination area can be close to the inner wall of the inner side rotary furnace body, and is more easily calcined, and the calcination quality is improved; in addition, the feeding cylinder and the discharging cylinder do not hinder the arrangement of the middle cylinder, and the pointed end portions are arranged at the front end and the rear end of the cylinder, so that the material can more conveniently enter the calcination area, and the structure is reasonable.

[0046] The above specific embodiment is only a preferred embodiment of the utility model, and is not used to limit the implementation and the claim range of the utility model, and equivalent changes and modifications made according to the utility model patent protection range content should be included in the utility model patent application range.

Claims

1. A partitioned calcining kiln for purifying electrode iron, characterized in that: It includes an inner rotating furnace body (1) and an outer fixed furnace body (2); the inner rotating furnace body (1) is embedded in the inner fixed furnace body (2) with the same center. A bearing assembly (3) is installed between the inner rotating furnace body (1) and the outer fixed furnace body (2). A drive assembly is also installed on the outer fixed furnace body (2). The inner rotating furnace body (1) can rotate accordingly through the cooperation of the drive assembly and the bearing assembly (3). The inner rotary furnace body (1) and the outer fixed furnace body (2) are both placed at an angle. A feed cylinder (5) is provided at the feed inlet of the inner rotary furnace body (1). The feed cylinder (5) is inserted into the inner rotary furnace body (1) so that the material (13) entering from the feed cylinder (5) enters the inner rotary furnace body (1). A discharge cylinder (6) is provided at the discharge outlet of the inner rotary furnace body (1). The discharge cylinder (6) is fitted on the outside of the inner rotary furnace body (1) so that the material (13) coming out from the inner rotary furnace body (1) enters the discharge cylinder (6).

2. A partitioned calcining kiln for purifying electrode iron according to claim 1, characterized in that: The feed cylinder (5) and discharge cylinder (6) are both L-shaped cylinder structures. The feed cylinder (5) is bent upwards, while the discharge cylinder (6) is bent downwards.

3. A partitioned calcining kiln for purifying electrode iron according to claim 2, characterized in that: The feed cylinder (5) is equipped with a bearing assembly (3) for use at the feed port of the inner rotary furnace body (1); the discharge cylinder (6) is also equipped with a bearing assembly (3) for use at the discharge port of the inner rotary furnace body (1).

4. A partitioned calcining kiln for purifying electrode iron according to claim 1, characterized in that: The drive assembly includes a drive mechanism (7) correspondingly installed on the outer fixed furnace body (2). A drive gear (8) is installed on the main shaft of the drive mechanism (7), and an annular rack (9) is installed on the outer wall of the inner rotating furnace body (1). The drive gear (8) and the annular rack (9) are meshed and installed accordingly, thereby driving the inner rotating furnace body (1) to rotate accordingly through the drive mechanism (7).

5. A partitioned calcining kiln for purifying electrode iron according to claim 1, characterized in that: The inner wall of the outer fixed furnace body (2) is equipped with uniformly distributed heating elements (10).

6. A partitioned calcining kiln for purifying electrode iron according to claim 5, characterized in that: A cylinder (11) is also provided at the middle position of the inner rotating furnace body (1). The cylinder (11) is set with the same center as the inner rotating furnace body (1), and a partition plate (12) is installed between the cylinder (11) and the inner rotating furnace body (1). The partition plate (12) divides the area between the cylinder (11) and the inner rotating furnace body (1) into several equal calcination areas (4).

7. A partitioned calcining kiln for purifying electrode iron according to claim 6, characterized in that: There are four partition plates (12) and four corresponding calcination zones (4) inside; and the front and rear ends of the cylinder (11) are both provided with pointed ends.

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