A multi-port multi-section heating chamber for a rotary kiln

Abstract

The present invention discloses a multi-port, multi-segment heating chamber for a rotary kiln, comprising a rotary kiln body, a drive motor, a first servo motor, and a second servo motor. A support plate is fixedly mounted at the bottom end of the rotary kiln body, a temperature controller is mounted on the front of the rotary kiln body, a first heating chamber is mounted at the top end of the rotary kiln body, a second heating chamber is mounted at the top end of the rotary kiln body, and a third heating chamber is mounted at the top end of the rotary kiln body. In the multi-port, multi-segment heating chamber for a rotary kiln, rotation of the first servo motor enables rotation of a threaded rod, which in turn enables reciprocating motion of a heater, thereby uniformly heating the kiln barrel in multiple sections. Simultaneous extension and retraction of the first and second telescopic screws enables raising and lowering of a feed chamber, thereby enabling the feed chamber to be adjusted accordingly based on the actual height of the kiln barrel.

Description

Technical Field

[0001] The invention relates to the technical field of rotary kilns, in particular to a multi-port and multi-section heating chamber for a rotary kiln. Background Art

[0002] With the continuous advancement of science and technology, more and more electronic products are available on the market, and the demand for lithium batteries is also increasing. The commonly used commercial lithium-ion battery cathode materials are ternary nickel-cobalt-manganese cathode materials. This material needs to be processed at high temperature in a rotary kiln. The application of rotary kilns in the sintering preparation of lithium battery materials is becoming more and more extensive.

[0003] 1. Most existing rotary kilns use electric heating to heat the calcining kiln tube. Since there is usually only one electric heater inside the heating chamber, it is impossible to heat the calcining kiln tube in multiple sections. In addition, during the heating process, only the same area can be heated, resulting in uneven heating of the ore being calcined inside.

[0004] 2. The height of the feeding bin of most existing rotary kilns is fixed, but the height of the calcining kiln tube of each rotary kiln is not fixed. The height of the feeding bin cannot be adjusted, resulting in one feeding bin being able to be used with only one rotary kiln of one height, which is very inconvenient. Summary of the Invention

[0005] The object of the present invention is to provide a multi-port and multi-stage heating chamber for a rotary kiln, so as to solve the problems raised in the above background technology that most existing rotary kilns use electric heating to heat the calcining kiln tube, cannot heat the calcining kiln tube in multiple stages, and can often only heat the same place, resulting in uneven heating of the ore calcined inside, and the height of the feeding bin cannot be adjusted according to the actual height of the calcining kiln tube.

[0006] To achieve the above-mentioned object, the present invention provides the following technical solution: a multi-port and multi-section heating chamber for a rotary kiln, comprising a rotary kiln body, a drive motor, a first servo motor and a second servo motor, a support plate fixedly mounted on the bottom end of the rotary kiln body, a temperature controller mounted on the front of the rotary kiln body, a first heating chamber mounted on the top end of the rotary kiln body, a second heating chamber mounted on the top end of the rotary kiln body, a third heating chamber mounted on the top end of the rotary kiln body, a calcining kiln barrel mounted inside the first heating chamber, a discharge bunker mounted on the side of the calcining kiln barrel, a discharge port mounted at the bottom end of the discharge bunker, a first common gear fixedly mounted on the surface of the calcining kiln barrel, a motor box mounted on the top end of the third heating chamber, a drive motor mounted inside the motor box, and a second common gear fixedly mounted on the output shaft of the drive motor, a first servo motor mounted on the side end of the first heating chamber, a limit frame mounted inside the first heating chamber, a feeding bunker mounted on the side end of the calcining kiln barrel, and a support seat mounted at the bottom end of the feeding bunker.

[0007] Preferably, the top end of the first common gear is meshed with the bottom end of the second common gear, and the top end of the first common gear and the bottom end of the second common gear form a rotating structure.

[0008] Preferably, a first bevel gear is fixedly mounted on the output shaft of the first servo motor, a transmission rod is inserted into the side surface of the first heating chamber, and a second bevel gear is fixedly mounted on the surface of the transmission rod.

[0009] Preferably, a threaded rod is installed inside the limit frame, an internal threaded slider is installed on the surface of the threaded rod, a limit slider is fixedly installed on the top end of the internal threaded slider, and a heater is fixedly installed on the top end of the limit slider.

[0010] Preferably, the side surface of the first bevel gear is meshed with the bottom end of the second bevel gear, and the side surface of the first bevel gear and the bottom end of the second bevel gear form a rotating structure, the side surface of the transmission rod is fixedly connected to the side surface of the threaded rod, the top of the limit frame is provided with a rectangular hole groove, the limit slider can be inserted into the rectangular hole groove provided on the top of the limit frame, and the limit slider can slide horizontally in the rectangular hole groove, the interior of the internal thread slider is provided with an internal thread, and the interior of the internal thread slider and the surface of the threaded rod form a spiral rotating structure.

[0011] Preferably, a dustproof net is installed on the side of the feeding chamber, a limiting groove is installed on the side of the feeding chamber, small rectangular holes are evenly opened on the surface of the dustproof net, and a group of circular holes are opened on the side of the limiting groove.

[0012] Preferably, a sliding wheel is installed at the bottom end of the support seat, a second servo motor is installed inside the support seat, and a third ordinary gear is fixedly installed on the output shaft of the second servo motor, a first internally threaded sleeve is installed inside the support seat, a first telescopic screw is inserted inside the first internally threaded sleeve, a fourth ordinary gear is fixedly installed on the surface of the first internally threaded sleeve, a second internally threaded sleeve is installed inside the support seat, a second telescopic screw is inserted inside the second internally threaded sleeve, and a fifth ordinary gear is inserted inside the second internally threaded sleeve.

[0013] Preferably, the surface of the third ordinary gear meshes with the surface of the fourth ordinary gear, and the surface of the third ordinary gear meshes with the surface of the fifth ordinary gear, and when the third ordinary gear rotates, the fourth and fifth ordinary gears can rotate simultaneously.

[0014] Preferably, the interior of the first internally threaded sleeve is provided with an internal thread, and the interior of the first internally threaded sleeve and the surface of the first telescopic screw form a spiral rotating structure, and the interior of the second internally threaded sleeve is provided with an internal thread, and the interior of the second internally threaded sleeve and the surface of the second telescopic screw form a spiral rotating structure.

[0015] Compared with the prior art, the present invention has the following beneficial effects: the multi-port and multi-section heating chambers used in the rotary kiln are

[0016] 1. When the calcining kiln tube needs to be heated in multiple stages, the rotation of the first servo motor can rotate the threaded rod, and the rotation of the threaded rod can make the heater reciprocate, so that the calcining kiln tube can be heated evenly in multiple stages;

[0017] 2. When the height of the feeding cabin needs to be adjusted according to the height of the calcining kiln tube, the first telescopic screw and the second telescopic screw can be simultaneously extended and retracted by rotating the second servo motor, and the feeding cabin can be raised and lowered by simultaneously extending and retracting the first telescopic screw and the second telescopic screw. In this way, the feeding cabin can be adjusted accordingly according to the actual height of the calcining kiln tube. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional schematic diagram of the overall structure of the present invention;

[0019] Figure 2 It is a front cross-sectional schematic diagram of the overall structure of the present invention;

[0020] Figure 3 It is a side schematic diagram of the structure of the present invention;

[0021] Figure 4 A three-dimensional schematic diagram of the limit frame, limit slider and heater structure of the present invention;

[0022] Figure 5 It is a schematic side view of the first common gear and the second common gear structure of the present invention;

[0023] Figure 6 For the present invention Figure 2 A in the figure shows the enlarged structural diagram;

[0024] Figure 7 For the present invention Figure 2 The enlarged structural diagram at B in FIG.

[0025] Figure: 1. Rotary kiln body; 101. Support plate; 102. Temperature controller; 103. First heating chamber; 104. Second heating chamber; 105. Third heating chamber; 2. Calcination kiln barrel; 201. Discharge chamber; 202. Discharge port; 203. First common gear; 3. Motor box; 301. Drive motor; 302. Second common gear; 4. First servo motor; 401. First bevel gear; 402. Drive rod; 403. Second bevel gear; 5. Limit Frame; 501, threaded rod; 502, internally threaded slider; 503, limit slider; 504, heater; 6, feeding cabin; 601, dustproof net; 602, limit groove; 7, support seat; 701, sliding wheel; 702, second servo motor; 703, third ordinary gear; 704, first internally threaded sleeve; 705, first telescopic screw; 706, fourth ordinary gear; 707, second internally threaded sleeve; 708, second telescopic screw; 709, fifth ordinary gear. DETAILED DESCRIPTION

[0026] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. 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 making creative efforts are within the scope of protection of the present invention.

[0027] See also Figure 1-7The present invention provides a technical solution: a multi-port multi-section heating chamber for a rotary kiln, comprising a rotary kiln body 1, a drive motor 301, a first servo motor 4, and a second servo motor 702. A support plate 101 is fixedly installed at the bottom end of the rotary kiln body 1, a temperature controller 102 is installed on the front of the rotary kiln body 1, a first heating chamber 103 is installed at the top end of the rotary kiln body 1, a second heating chamber 104 is installed at the top end of the rotary kiln body 1, a third heating chamber 105 is installed at the top end of the rotary kiln body 1, a calcining kiln tube 2 is installed inside the first heating chamber 103, and a calcining kiln tube 2 is installed inside the first heating chamber 103. 2 is provided with a discharge cabin 201 on the side, and a discharge port 202 is provided at the bottom end of the discharge cabin 201, a first common gear 203 is fixedly installed on the surface of the calcining kiln tube 2, a motor box 3 is provided at the top end of the third heating chamber 105, a driving motor 301 is provided inside the motor box 3, and a second common gear 302 is fixedly installed on the output shaft of the driving motor 301, a first servo motor 4 is provided on the side of the first heating chamber 103, a limit frame 5 is provided inside the first heating chamber 103, a feeding cabin 6 is provided on the side of the calcining kiln tube 2, and a support seat 7 is provided at the bottom end of the feeding cabin 6.

[0028] In this example, the top end of the first common gear 203 is meshed with the bottom end of the second common gear 302, and the top end of the first common gear 203 and the bottom end of the second common gear 302 form a rotating structure. The rotation of the driving motor 301 can rotate the second common gear 302, and the rotation of the second common gear 302 can rotate the first common gear 203, and the rotation of the first common gear 203 can rotate the calcining kiln tube 2.

[0029] The output shaft of the first servo motor 4 is fixedly mounted with a first bevel gear 401 , a transmission rod 402 is inserted into the side of the first heating chamber 103 , and a second bevel gear 403 is fixedly mounted on the surface of the transmission rod 402 ;

[0030] A threaded rod 501 is installed inside the limit frame 5, and an internally threaded slider 502 is installed on the surface of the threaded rod 501. A limit slider 503 is fixedly installed on the top of the internally threaded slider 502, and a heater 504 is fixedly installed on the top of the limit slider 503. Three sets of internally threaded sliders 502, limit sliders 503 and heaters 504 are provided, and one set is installed inside each of the first heating chamber 103, the second heating chamber 104 and the third heating chamber 105;

[0031] The side surface of the first bevel gear 401 is meshed with the bottom end of the second bevel gear 403, and the side surface of the first bevel gear 401 and the bottom end of the second bevel gear 403 form a rotating structure. The side surface of the transmission rod 402 is fixedly connected to the side surface of the threaded rod 501. The top of the limit frame 5 is provided with a rectangular hole groove, and the limit slider 503 can be inserted into the rectangular hole groove provided on the top of the limit frame 5, and the limit slider 503 can slide horizontally in the rectangular hole groove. The interior of the internal thread slider 502 is provided with an internal thread, and the interior of the internal thread slider 502 and the surface of the threaded rod 501 form a spiral rotating structure.

[0032] A dustproof net 601 is installed on the side of the feeding cabin 6, and a limiting groove 602 is installed on the side of the feeding cabin 6. The surface of the dustproof net 601 is evenly opened with small rectangular holes, and the side of the limiting groove 602 is opened with a group of circular holes;

[0033] A sliding wheel 701 is installed at the bottom end of the support base 7, a second servo motor 702 is installed inside the support base 7, and a third common gear 703 is fixedly installed on the output shaft of the second servo motor 702, a first internally threaded sleeve 704 is installed inside the support base 7, a first telescopic screw 705 is inserted into the interior of the first internally threaded sleeve 704, a fourth common gear 706 is fixedly installed on the surface of the first internally threaded sleeve 704, a second internally threaded sleeve 707 is installed inside the support base 7, a second telescopic screw 708 is inserted into the interior of the second internally threaded sleeve 707, and a fifth common gear 709 is inserted into the interior of the second internally threaded sleeve 707;

[0034] The surface of the third ordinary gear 703 meshes with the surface of the fourth ordinary gear 706, and the surface of the third ordinary gear 703 meshes with the surface of the fifth ordinary gear 709. When the third ordinary gear 703 rotates, the fourth ordinary gear 706 and the fifth ordinary gear 709 rotate simultaneously.

[0035] The interior of the first internally threaded sleeve 704 is provided with an internal thread, and the interior of the first internally threaded sleeve 704 and the surface of the first telescopic screw 705 form a spiral rotation structure. The interior of the second internally threaded sleeve 707 is provided with an internal thread, and the interior of the second internally threaded sleeve 707 and the surface of the second telescopic screw 708 form a spiral rotation structure.

[0036] Working principle: According to Figure 1-7As shown, when the calcining kiln tube 2 needs to be heated in multiple stages, three sets of temperature controllers 102 are installed on the front of the rotary kiln body 1, and three sets of heaters 504 are installed on the top of the limit frame 5. The temperature of the heater 504 can be controlled by the temperature controller 102, and the first bevel gear 401 can be rotated by the rotation of the first servo motor 4, and the second bevel gear 403 can be rotated by the rotation of the first bevel gear 401. The transmission rod 402 can be rotated by the rotation of the second bevel gear 403, and the threaded rod 501 can be rotated by the rotation of the transmission rod 402. The rotation of the threaded rod 501 can make the internal threaded slider 502 reciprocate horizontally, and the reciprocating horizontal motion of the internal threaded slider 502 can make the heater 504 reciprocate. In this way, the calcining kiln tube 2 can be heated in multiple stages uniformly.

[0037] according to Figure 1-7 As shown, when the height of the feeding bin 6 needs to be adjusted accordingly according to the height of the calcining kiln tube 2, the rotation of the second servo motor 702 can rotate the third common gear 703, and the rotation of the third common gear 703 can rotate the fourth common gear 706 and the fifth common gear 709, and the rotation of the fourth common gear 706 and the fifth common gear 709 can simultaneously rotate the first internally threaded sleeve 704 and the second internally threaded sleeve 707, and the simultaneous rotation of the first internally threaded sleeve 704 and the second internally threaded sleeve 707 can simultaneously extend and retract the first telescopic screw 705 and the second telescopic screw 708, and the simultaneous extension and retraction of the first telescopic screw 705 and the second telescopic screw 708 can lift and lower the feeding bin 6, so that the height of the feeding bin 6 can be adjusted, and the feeding bin 6 can be adjusted accordingly according to the actual height of the calcining kiln tube 2, so that the feeding bin 6 can be installed on the side of the calcining kiln tube 2.

[0038] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A multi-port multi-section heating chamber for a rotary kiln, comprising a rotary kiln body (1), a drive motor (301), a first servo motor (4) and a second servo motor (702), characterized in that: A support plate (101) is fixedly mounted on the bottom end of the rotary kiln body (1); a temperature controller (102) is mounted on the front of the rotary kiln body (1); a first heating chamber (103) is mounted on the top end of the rotary kiln body (1); a second heating chamber (104) is mounted on the top end of the rotary kiln body (1); a third heating chamber (105) is mounted on the top end of the rotary kiln body (1); a calcining kiln tube (2) is mounted inside the first heating chamber (103); a discharge chamber (201) is mounted on the side of the calcining kiln tube (2); and a discharge port (205) is mounted on the bottom end of the discharge chamber (201). 2), a first common gear (203) is fixedly mounted on the surface of the calcining kiln tube (2), a motor box (3) is mounted on the top of the third heating chamber (105), a driving motor (301) is mounted inside the motor box (3), and a second common gear (302) is fixedly mounted on the output shaft of the driving motor (301), a first servo motor (4) is mounted on the side of the first heating chamber (103), a limit frame (5) is mounted inside the first heating chamber (103), a feeding cabin (6) is mounted on the side of the calcining kiln tube (2), and a support seat (7) is mounted at the bottom end of the feeding cabin (6); A first bevel gear (401) is fixedly mounted on the output shaft of the first servo motor (4), a transmission rod (402) is inserted into the side surface of the first heating chamber (103), and a second bevel gear (403) is fixedly mounted on the surface of the transmission rod (402); A threaded rod (501) is installed inside the limit frame (5), an internal threaded slider (502) is installed on the surface of the threaded rod (501), a limit slider (503) is fixedly installed on the top end of the internal threaded slider (502), and a heater (504) is fixedly installed on the top end of the limit slider (503); The side surface of the first bevel gear (401) is meshed with the bottom end of the second bevel gear (403), and the side surface of the first bevel gear (401) and the bottom end of the second bevel gear (403) form a rotating structure, the side surface of the transmission rod (402) is fixedly connected to the side surface of the threaded rod (501), the top of the limit frame (5) is provided with a rectangular hole groove, the limit slider (503) can be inserted into the rectangular hole groove provided at the top of the limit frame (5), and the limit slider (503) can slide horizontally in the rectangular hole groove, the interior of the internal thread slider (502) is provided with an internal thread, and the interior of the internal thread slider (502) and the surface of the threaded rod (501) form a spiral rotating structure; The bottom end of the support seat (7) is provided with a sliding wheel (701), a second servo motor (702) is provided inside the support seat (7), and a third common gear (703) is fixedly installed on the output shaft of the second servo motor (702), a first internally threaded sleeve (704) is provided inside the support seat (7), a first telescopic screw rod (705) is inserted inside the first internally threaded sleeve (704), a fourth common gear (706) is fixedly installed on the surface of the first internally threaded sleeve (704), a second internally threaded sleeve (707) is provided inside the support seat (7), a second telescopic screw rod (708) is inserted inside the second internally threaded sleeve (707), and a fifth common gear (709) is inserted inside the second internally threaded sleeve (707); The surface of the third ordinary gear (703) is meshed with the surface of the fourth ordinary gear (706), and the surface of the third ordinary gear (703) is meshed with the surface of the fifth ordinary gear (709), and when the third ordinary gear (703) rotates, the fourth ordinary gear (706) and the fifth ordinary gear (709) can rotate simultaneously; The interior of the first internally threaded sleeve (704) is provided with an internal thread, and the interior of the first internally threaded sleeve (704) and the surface of the first telescopic screw (705) form a spiral rotation structure. The interior of the second internally threaded sleeve (707) is provided with an internal thread, and the interior of the second internally threaded sleeve (707) and the surface of the second telescopic screw (708) form a spiral rotation structure.

2. The multi-port multi-stage heating chamber for a rotary kiln according to claim 1, characterized in that: The top end of the first common gear (203) is meshed with the bottom end of the second common gear (302), and the top end of the first common gear (203) and the bottom end of the second common gear (302) form a rotating structure.

3. The multi-port multi-stage heating chamber for a rotary kiln according to claim 1, characterized in that: A dustproof net (601) is installed on the side of the feeding cabin (6), and a limiting groove (602) is installed on the side of the feeding cabin (6). Small rectangular holes are evenly opened on the surface of the dustproof net (601), and a group of circular holes are opened on the side of the limiting groove (602).

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