Rotary kiln

Abstract

The rotary kiln comprises a base, three fixing blocks, three limiting rings and a limiting pipe, a feeding box is fixedly arranged on one side of the top end of the base, a feeding port is fixedly formed in the top end of the feeding box, sleeves are fixedly arranged in the two limiting rings on one side of the top end of the base, and the limiting pipe is fixedly arranged in the sleeve. A discharging barrel is fixedly arranged in a limiting ring on the other side of the top end of the base, a limiting pipe penetrates through and is fixedly arranged at the bottom end of the sleeve and the bottom end of the discharging barrel, a connecting barrel is fixed between the sleeve and the discharging barrel, and the limiting pipe comprises a limiting pipe body, a rotating shaft, a first gear, a double-end motor, a long barrel and a short barrel; and control blocks are hinged to the lower ends of the opposite sides of the two first gears. According to the device disclosed by the utility model, the long cylinder and the short cylinder can be driven to rotate through the double-head motor, and the stirring blades are matched to rotate, so that iron phosphate can be conveniently screened and separated and can be conveniently mixed, and the reaction efficiency and quality are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of rotary kilns for producing ferric phosphate, in particular to a rotary kiln. Background Art

[0002] Lithium iron phosphate (LIFP) is a cathode material for lithium-ion batteries. Its diverse applications include electric vehicles (EVs), power tools, solar energy storage systems, and portable electronic devices. Its diverse applications make it an important chemical and material. However, its production requires the use of a rotary kiln for processing.

[0003] Common rotary kilns place ferric phosphate inside for heating and sintering. Without a mixing function, the internal materials may be heated and reacted unevenly, which may affect the quality and performance of the final product. In addition, different rotary kilns do not have stirring and splitting functions, which may make it impossible for users to control the particle size, thereby affecting the purity of the ferric phosphate.

[0004] Therefore, those skilled in the art provide a rotary kiln to solve the problems raised in the above background technology. Utility Model Content

[0005] In response to the defects in the existing technology, the utility model provides a rotary kiln, which can drive the long cylinder and the short cylinder to rotate through a double-headed motor, and cooperate with stirring blades to stir and mix the ferric phosphate, thereby improving the efficiency and quality of the reaction.

[0006] A rotary kiln comprises a base, three fixing blocks and three limiting rings, a feed box being fixedly provided on one side of the top of the base, a feed port being fixedly provided on the top of the feed box, sleeves being fixedly provided inside two limiting rings on one side of the top of the base, a discharging barrel being fixedly provided inside a limiting ring on the other side of the top of the base, limiting tubes being passed through and fixedly provided at the bottom ends of the sleeves and the discharging barrel, and a connecting tube being fixed between the sleeves and the discharging barrel;

[0007] The limiting tube includes a limiting tube body, a rotating shaft, a first gear, a double-headed motor, a long tube and a short tube. A control block is hingedly provided at the lower end on the opposite side of the two first gears, a second gear is hingedly provided between the two control blocks, and a support column is fixedly provided in the middle of the opposite side of the two second gears. A plurality of second tooth grooves are provided around the outer periphery of the long tube near the middle, and a first tooth groove is provided around the outer periphery of the short tube near the middle. An auger is fixedly provided inside the long tube and the short tube, and a fixed column is passed through and fixedly provided on one side of the auger in the interior of the long tube, and two stirring blades are fixedly provided on one side of the fixed column.

[0008] Preferably, one side of the long tube is rotatably set on the inner wall of the feed box, one side of the sleeve is fixedly set on the other side of the feed box, the other end of the long tube is rotatably set on one side of the connecting tube, and the long tube is rotatably set inside the sleeve.

[0009] Preferably, one side of the short tube is rotatably set on the inner wall of the other side of the connecting tube, the short tube is rotatably set inside the discharge tube, the long tube is rotated through the meshing connection between the second tooth groove and the second gear, and the short tube is rotated through the meshing connection between the first tooth groove and the second gear.

[0010] Preferably, opposite sides of the two support columns are fixedly arranged on opposite inner walls of the limiting tube near the upper end, and the double-headed motor is fixedly arranged inside the motor box.

[0011] Preferably, the two second gears are rotated by the control block, the two control blocks are rotated by the first gear, the two first gears are rotated by two rotating shafts, the two rotating shafts are fixedly arranged at the output ends on both sides of the double-headed motor relative to each other, and the opposite sides of the two first gears are fixedly arranged on the opposite sides of the two rotating shafts.

[0012] Preferably, a motor box is fixedly provided in the middle of the base, a slope is fixedly provided on one side of the bottom end of the discharge cylinder, and an air pipe is provided through the middle of the rear end of the connecting cylinder.

[0013] Preferably, the bottom ends of the three limiting rings are all fixedly provided with fixing blocks, and the three fixing blocks are all fixedly provided on the top end of the base.

[0014] The beneficial effects of the present invention are as follows:

[0015] 1. When the device is used, the user can first turn on the double-headed motor to make the rotating shaft drive the first gear to rotate, and the first gear drives the control block and the second gear to rotate respectively, and the second gear is convenient for driving the long cylinder and the short cylinder to rotate. The user puts the iron phosphate into the interior of the long cylinder through the feed port, and then uses the auger to transport the iron phosphate to the interior of the connecting cylinder, and then heats the inside of the connecting cylinder through the air pipe to promote the chemical reaction of the iron phosphate. After the heating is completed, the iron phosphate will be processed and discharged through the discharge port by the auger, which is convenient for the user to collect.

[0016] 2. When the second gear drives the long cylinder to rotate through the second tooth groove, the long cylinder will drive the auger to rotate, and the auger can drive the fixed column to rotate during the rotation process, and the fixed column can drive the stirring blade to rotate. At this time, the stirring blade can stir and separate the iron phosphate that is about to enter the long cylinder to achieve the required particle size and purity. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] To more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following briefly describes the drawings required for the specific embodiments or the description of the prior art. Similar elements or parts are generally identified by similar reference numerals throughout the drawings. Elements or parts in the drawings are not necessarily drawn to scale.

[0018] Figure 1 Provide an axial side schematic diagram for the utility model;

[0019] Figure 2 Provide a front cross-sectional schematic diagram for the utility model;

[0020] Figure 3 For this utility model Figure 3 A partial enlarged schematic diagram;

[0021] Figure 4 For this utility model Figure 3 A partial enlarged schematic diagram of B in the middle;

[0022] Figure 5 The utility model provides an axial side schematic diagram of the middle and long tube and the short tube.

[0023] In the accompanying drawings, 1-base, 2-feed box, 3-feed port, 4-fixed block, 5-limiting ring, 6-connecting cylinder, 7-air pipe, 8-discharging cylinder, 9-limiting tube, 10-motor box, 11-slope, 12-sleeve, 901-limiting tube body, 902-double-headed motor, 903-rotating shaft, 904-first gear, 905-control block, 906-second gear, 907-short cylinder, 908-first tooth groove, 909-long cylinder, 910-second tooth groove, 911-auger, 912-fixed column, 913-stirring blade, 914-support column. DETAILED DESCRIPTION

[0024] The following embodiments of the technical solution of the present invention are described in detail with reference to the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the present invention and are therefore only examples and are not intended to limit the scope of protection of the present invention.

[0025] It should be noted that, unless otherwise specified, the technical terms or scientific terms used in this application should have the common meanings understood by those skilled in the art to which this utility model belongs.

[0026] Reference Figure 1 、 Figure 2A rotary kiln includes a base, three fixed blocks and three limiting rings. A feed box is fixedly provided on one side of the top of the base, a feed port is fixedly provided on the top of the feed box, sleeves are fixedly provided inside the two limiting rings on one side of the top of the base, and a discharging barrel is fixedly provided inside a limiting ring on the other side of the top of the base. Limiting tubes are passed through and fixedly provided at the bottom ends of the sleeve and the discharging barrel, and a connecting tube is fixed between the sleeve and the discharging barrel.

[0027] Specifically, the base is used to support the entire device, the fixed block is used to support the limiting ring, the limiting ring is used to support and fix the sleeve and the discharge barrel, the feed box is used to transport the iron phosphate material to the inside of the long barrel for stirring and mixing, the sleeve is used to protect and support the long barrel to prevent leakage of iron phosphate during processing, the discharge barrel is used to transport the processed iron phosphate to the outside, and the connecting barrel is used to transport the processed iron phosphate to the inside of the short barrel.

[0028] Reference Figure 1 、 Figure 2 One side of the long cylinder is rotatably arranged on the inner wall of the feed box, one side of the sleeve is fixedly arranged on the other side of the feed box, the other end of the long cylinder is rotatably arranged on one side of the connecting cylinder, the long cylinder is rotatably arranged inside the sleeve, and the opposite sides of the two support columns are fixedly arranged on the opposite inner walls of the upper end of the limiting tube. The double-headed motor is fixedly arranged inside the motor box, and the motor box is fixedly arranged in the middle of the base. A slope is fixedly arranged on one side of the bottom end of the discharging cylinder, and an air pipe is provided through the middle of the rear end of the connecting cylinder. The bottom ends of the three limiting rings are fixed with fixed blocks, and the three fixed blocks are fixedly arranged on the top of the base.

[0029] Specifically, the feed box is convenient for supporting the long cylinder and does not hinder the rotation of the long cylinder. The feed box is also convenient for fixing the sleeve, and the connecting cylinder is also convenient for supporting the long cylinder and does not hinder the rotation of the long cylinder. The long cylinder always rotates inside the sleeve, which is convenient for improving its sealing. The two support columns are convenient for supporting the second gear, and the limiting tube is convenient for protecting the first gear and the second gear, and is also convenient for supporting the support column. The motor box is convenient for fixing and protecting the motor. The slope is convenient for driving the processed iron phosphate out of the interior of the discharge cylinder through the slope. The air pipe is convenient for heating the inside of the connecting cylinder, and the iron phosphate is heated in general to improve the efficiency and quality of the reaction. The fixed block is convenient for supporting the limiting ring.

[0030] Reference Figure 3 、 45. The limiting tube includes a limiting tube body, a rotating shaft, a first gear, a double-headed motor, a long tube and a short tube. A control block is hingedly provided on the lower end of the two first gears on the opposite side. A second gear is hingedly provided between the two control blocks. A support column is fixedly provided in the middle of the opposite side of the two second gears. A plurality of second tooth grooves are provided around the outer periphery of the long tube near the middle, and a first tooth groove is provided around the outer periphery of the short tube near the middle. An auger is fixedly provided inside the long tube and the short tube. A fixed column is passed through and fixedly provided on one side of the auger in the long tube, and two stirring blades are fixedly provided on one side of the fixed column.

[0031] Specifically, the rotating shaft is convenient for driving the two first gears to rotate, and the two first gears are convenient for driving the two control blocks to rotate, and the two control blocks are convenient for driving the two second gears to rotate, and the two second gears are convenient for driving the long cylinder and the short cylinder to rotate through the first tooth groove and the second tooth groove respectively, and the long cylinder and the short cylinder will drive the two augers to rotate while rotating, so as to facilitate the transportation of iron phosphate, and the long cylinder will drive the fixed column to rotate during the rotation process, and the fixed column will drive the stirring blade to rotate during the rotation process, and the stirring blade is convenient for screening and grinding the iron phosphate that is about to enter the long cylinder to achieve the required particle size and purity

[0032] Reference Figure 3 、 4 5. One side of the short cylinder is rotatably set on the inner wall of the other side of the connecting cylinder, and the short cylinder is rotatably set inside the discharge cylinder. The long cylinder is rotated by the meshing connection between the second tooth groove and the second gear, and the short cylinder is rotated by the meshing connection between the first tooth groove and the second gear. The two second gears are rotated by the control block, and the two control blocks are rotated by the first gear. The two first gears are rotated by two rotating shafts. The two rotating shafts are fixedly set at the output ends of both sides of the double-headed motor relative to each other, and the opposite sides of the two first gears are fixedly set on the opposite sides of the two rotating shafts.

[0033] Specifically, it is convenient for the connecting cylinder to support the short cylinder without affecting its rotation. The short cylinder always rotates inside the discharge cylinder to improve its sealing and prevent leakage. While the second gear rotates, it cooperates with the first tooth groove and the second tooth groove to drive the long cylinder and the long cylinder to rotate respectively, thereby driving the two augers to rotate, and the two second gears are rotated through the two control blocks, and the two control blocks are rotated through the two first gears, and the two gears are rotated through the two rotating shafts, and the two rotating shafts are rotated by the double-headed motor.

[0034] Working principle: When the device is used, the user can first turn on the double-headed motor so that the rotating shaft drives the first gear to rotate, and the first gear drives the control block and the second gear to rotate respectively, and the second gear is convenient for driving the long cylinder and the short cylinder to rotate. The user puts the iron phosphate into the interior of the long cylinder through the feed port, and the long cylinder drives the auger to rotate while also driving the fixed column to rotate, and the fixed column drives the stirring blade to rotate, thereby stirring and separating the iron phosphate that is about to enter the long cylinder, and then transporting the iron phosphate to the interior of the connecting cylinder through the auger, and then heating the inside of the connecting cylinder through the gas pipe to promote the chemical reaction of the iron phosphate. After the heating is completed, the iron phosphate will be driven out through the discharge port by the auger, thereby improving the efficiency and quality of the reaction.

[0035] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the above embodiments, or make equivalent replacements for some or all of the technical features therein. These modifications or replacements do not deviate the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present invention, and they should all be included in the scope of the claims and description of the present invention.

Claims

1. A rotary kiln comprising a base (1), three fixing blocks (4) and three limiting rings (5), characterized in that: A feed box (2) is fixedly provided on one side of the top of the base (1), a feed port (3) is fixedly provided on the top of the feed box (2), a sleeve (12) is fixedly provided inside two limiting rings (5) on one side of the top of the base (1), a discharge barrel (8) is fixedly provided inside a limiting ring (5) on the other side of the top of the base (1), a limiting tube (9) is passed through and fixedly provided at the bottom ends of the sleeve (12) and the discharge barrel (8), and a connecting tube (6) is fixed between the sleeve (12) and the discharge barrel (8); The position limiting tube (9) comprises a position limiting tube body (901), a rotating shaft (903), a first gear (904), a double-headed motor (902), a long tube (909) and a short tube (907). A control block (905) is hingedly provided at the lower end of the two first gears (904) on the opposite side. A second gear (906) is hingedly provided between the two control blocks (905). A support column (914) is fixedly provided at the middle of the opposite side of the two second gears (906). ), a plurality of second tooth grooves (910) are provided on the outer periphery of the long tube (909) near the middle thereof, a first tooth groove (908) is provided on the outer periphery of the short tube (907) near the middle thereof, an auger (911) is fixedly provided inside the long tube (909) and the short tube (907), a fixed column (912) is passed through and fixedly provided on one side of the auger (911) inside the long tube (909), and two stirring blades (913) are fixedly provided on one side of the fixed column (912).

2. A rotary kiln according to claim 1, characterized in that: One side of the long tube (909) is rotatably mounted on the inner wall of the feed box (2), one side of the sleeve (12) is fixedly mounted on the other side of the feed box (2), the other end of the long tube (909) is rotatably mounted on one side of the connecting tube (6), and the long tube (909) is rotatably mounted inside the sleeve (12).

3. A rotary kiln according to claim 1, characterized in that: One side of the short cylinder (907) is rotatably arranged on the inner wall of the other side of the connecting cylinder (6), and the short cylinder (907) is rotatably arranged inside the discharge cylinder (8). The long cylinder (909) is rotated by meshing with the second gear (906) through the second tooth groove (910), and the short cylinder (907) is rotated by meshing with the second gear (906) through the first tooth groove (908).

4. A rotary kiln according to claim 1, characterized in that: The opposite sides of the two support columns (914) are fixedly arranged on the opposite inner walls of the limiting tube (9) near the upper end, and the double-headed motor (902) is fixedly arranged inside the motor box (10).

5. A rotary kiln according to claim 1, characterized in that: The two second gears (906) are both rotated by the control block (905), the two control blocks (905) are both rotated by the first gear (904), the two first gears (904) are both rotated by the two rotating shafts (903), the two rotating shafts (903) are fixedly arranged at the output ends of the double-headed motor (902) on both sides, and the opposite sides of the two first gears (904) are fixedly arranged on the opposite sides of the two rotating shafts (903).

6. A rotary kiln according to claim 1, characterized in that: A motor box (10) is fixedly provided in the center of the base (1), a slope (11) is fixedly provided on one side of the bottom end of the discharge cylinder (8), and an air supply pipe (7) is provided through the middle of the rear end of the connecting cylinder (6).

7. A rotary kiln according to claim 1, characterized in that: The bottom ends of the three limiting rings (5) are all fixedly provided with fixed blocks (4), and the three fixed blocks (4) are all fixedly provided on the top end of the base (1).

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