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CN-224215803-U - Roller kiln for sintering anode material of ultrahigh-temperature lithium ion battery

CN224215803UCN 224215803 UCN224215803 UCN 224215803UCN-224215803-U

Abstract

The utility model discloses a super-high temperature lithium ion battery anode material sintering roller kiln, which comprises a kiln channel, wherein the kiln channel is arranged in a penetrating way from front to back, a row of horizontal roller bars are rotatably arranged in the kiln channel, a brake bowl capable of moving forwards and backwards is arranged on the roller bars, an inlet replacement area is arranged in front of the kiln channel, an outlet replacement area is arranged behind the kiln channel, a heating section, a constant temperature section and a cooling section are sequentially arranged in the kiln channel from front to back.

Inventors

  • LIN ZHAOXIN
  • DENG YUANYING
  • SHEN FENG
  • CHEN WENYUAN
  • FENG BIN

Assignees

  • 佛山市天禄智能装备科技有限公司

Dates

Publication Date
20260508
Application Date
20250609

Claims (10)

  1. 1. The ultra-high temperature lithium ion battery cathode material sintering roller kiln comprises a kiln channel (1) and is characterized in that the kiln channel (1) is arranged in a penetrating manner from front to back, a row of horizontal roller bars (7) are rotatably arranged in the kiln channel (1), a brake bowl (6) capable of moving forwards and backwards is arranged on the roller bars (7), an inlet replacement area (34) is arranged in front of the kiln channel (1), and an outlet replacement area (35) is arranged behind the kiln channel (1); The kiln is characterized in that a heating section, a constant temperature section and a cooling section are sequentially arranged in the kiln channel (1) from front to back, the heating section and the constant temperature section form a sintering area, corundum pipes (2) are arranged above and below the sintering area, and silicon carbide rods (3) are inserted in the corundum pipes (2); the bottom of the kiln channel (1) is provided with a furnace gas driving pipe (24) for conveying nitrogen.
  2. 2. The ultra-high temperature lithium ion battery cathode material sintering roller kiln according to claim 1, wherein a ceramic tube (4) is inserted at a position, close to the sintering area, on one side of the kiln path (1), a thermocouple (5) is inserted inside the ceramic tube (4), and the thermocouple (5) is used for detecting temperature information in the sintering area.
  3. 3. The ultra-high temperature lithium ion battery anode material sintering roller kiln according to claim 1 is characterized in that a first ceramic fiber board (9), a nano board (10), a third ceramic fiber board (12), a fourth ceramic fiber board (13), a fifth ceramic fiber board (14), a sixth ceramic fiber board (15), a sixth insulating brick (27) and a fifth insulating brick (26) are sequentially arranged on two sides of the kiln path (1) from inside to outside.
  4. 4. The ultra-high temperature lithium ion battery cathode material sintering roller kiln as claimed in claim 3, wherein a second ceramic fiber board (11) is arranged below the nano board (10), and the thickness dimension of the nano board (10) is the same as that of the second ceramic fiber board (11).
  5. 5. The ultra-high temperature lithium ion battery cathode material sintering roller kiln according to claim 3, wherein the sixth insulating brick (27) and the fifth insulating brick (26) are provided with hole bricks (25) at positions corresponding to the roller bars (7), and a first penetrating hole matched with the roller bars (7) is formed in the surface of each hole brick (25).
  6. 6. The ultra-high temperature lithium ion battery cathode material sintering roller kiln according to claim 3, wherein the first ceramic fiber board (9), the nano board (10), the third ceramic fiber board (12), the fourth ceramic fiber board (13), the fifth ceramic fiber board (14) and the sixth ceramic fiber board (15) are provided with a first ceramic fiber cotton layer (8) at positions corresponding to the roller rod (7), and a second penetrating hole matched with the roller rod (7) is formed in the axis of the first ceramic fiber cotton layer (8).
  7. 7. The ultra-high temperature lithium ion battery cathode material sintering roller kiln according to claim 1, wherein the bottom of the kiln channel (1) is provided with a B-1 insulating brick (23), a ninth ceramic fiber board (22), an eighth ceramic fiber board (21), a seventh ceramic fiber board (20), a fourth insulating brick (19) and a third insulating brick (18) in sequence from bottom to top.
  8. 8. The ultra-high temperature lithium ion battery cathode material sintering roller kiln according to claim 7, wherein the two sides of the B-1 insulating brick (23), the ninth ceramic fiber board (22), the eighth ceramic fiber board (21), the seventh ceramic fiber board (20) and the fourth insulating brick (19) are sequentially provided with a second insulating brick (17) and a first insulating brick (16) from bottom to top.
  9. 9. The ultra-high temperature lithium ion battery cathode material sintering roller kiln of claim 1, wherein a first crown brick (31) and a second crown brick (32) are sequentially arranged at the top of the kiln channel (1) from bottom to top, crown bricks (28) are arranged at two sides of the first crown brick (31), and crown outer bricks (29) are arranged at two sides of the second crown brick (32).
  10. 10. The ultra-high temperature lithium ion battery anode material sintering roller kiln according to claim 9, wherein a multi-layer ceramic fiber blanket (33) is arranged above the second crown brick (32), and a second ceramic fiber cotton layer (30) is covered above the ceramic fiber blanket (33).

Description

Roller kiln for sintering anode material of ultrahigh-temperature lithium ion battery Technical Field The utility model relates to the technical field of sintering of lithium ion battery cathode materials, in particular to an ultrahigh temperature roller kiln for sintering lithium ion battery cathode materials. Background The sintering process of the anode material of the lithium ion battery is an important process in the production and manufacture of the anode material, and the sintering is a heat treatment process for heating the anode material at a certain heating rate under the conditions of air isolation and medium protection. The sintered anode material has stable strength and can remarkably improve the heat conductivity, the electric conductivity and the high temperature resistance, and the sintering process is a complex process accompanied by a plurality of chemical changes. In the process of sintering the anode material, the heating speed of a sintering furnace influences the sintering time and the production efficiency of the anode material, and when the anode material of the ultra-high temperature lithium ion battery is required to be sintered due to the heat insulation material and the structure of the existing sintering equipment, the heating and heat insulation effects of a kiln channel are not ideal, so that the application provides the ultra-high temperature lithium ion battery anode material sintering roller kiln to improve the heating speed. Disclosure of utility model The utility model aims to provide a roller kiln for sintering a cathode material of an ultra-high temperature lithium ion battery, so as to solve the problems in the background technology. The kiln comprises a kiln channel, wherein the kiln channel is arranged in a penetrating way from front to back, a row of horizontal roller bars are rotatably arranged in the kiln channel, a brake bowl capable of moving forwards and backwards is arranged on the roller bars, an inlet replacement area is arranged in front of the kiln channel, and an outlet replacement area is arranged behind the kiln channel; The kiln is characterized in that a heating section, a constant temperature section and a cooling section are sequentially arranged in the kiln from front to back, the heating section and the constant temperature section form a sintering area, corundum pipes are arranged above and below the sintering area, and a silicon carbide rod is inserted into the corundum pipes; the bottom of the kiln channel is provided with a furnace gas driving pipe for conveying nitrogen. The ceramic tube is inserted into the kiln channel at a position close to the sintering area, and a thermocouple is inserted into the ceramic tube and used for detecting temperature information in the sintering area. The kiln comprises a kiln channel, wherein a first ceramic fiber board, a nano board, a third ceramic fiber board, a fourth ceramic fiber board, a fifth ceramic fiber board, a sixth insulating brick and a fifth insulating brick are sequentially arranged on two sides of the kiln channel from inside to outside. And a second ceramic fiber board is arranged below the nano board, and the thickness dimension of the nano board is the same as that of the second ceramic fiber board. And hole bricks are arranged at positions of the sixth insulating bricks and the fifth insulating bricks, which correspond to the roller bars, and first penetrating holes matched with the roller bars are formed in the surfaces of the hole bricks. The first ceramic fiber board, the nano board, the third ceramic fiber board, the fourth ceramic fiber board, the fifth ceramic fiber board and the sixth ceramic fiber board are provided with a first ceramic fiber cotton layer at the positions corresponding to the roller, and a second penetrating hole matched with the roller is formed in the axis of the first ceramic fiber cotton layer. Wherein, the bottom of the kiln channel is sequentially provided with a B-1 insulating brick, a ninth ceramic fiber board, an eighth ceramic fiber board, a seventh ceramic fiber board, a fourth insulating brick and a third insulating brick from bottom to top. And the two sides of the B-1 insulating brick, the ninth ceramic fiber board, the eighth ceramic fiber board, the seventh ceramic fiber board and the fourth insulating brick are sequentially provided with a second insulating brick and a first insulating brick from bottom to top. The kiln is characterized in that a first arch brick and a second arch brick are sequentially arranged at the top of the kiln channel from bottom to top, arch foot bricks are arranged on two sides of the first arch brick, and arch foot outer bricks are arranged on two sides of the second arch brick. Wherein, be equipped with multilayer ceramic fiber blanket above the second arched roof brick, ceramic fiber blanket top is covered with second ceramic fiber cotton layer. Compared with the prior art, the utility model has the beneficial effect