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CN-122006637-A - Multi-kettle serial new energy precursor reaction device

CN122006637ACN 122006637 ACN122006637 ACN 122006637ACN-122006637-A

Abstract

The invention relates to the technical field of mixed reaction, and discloses a multi-kettle serial new energy precursor reaction device which comprises a main reaction kettle, a secondary reaction kettle and a constant-temperature curing kettle, wherein the main reaction kettle comprises a first kettle body, a first stirring part arranged in the first kettle body and a matching part arranged in the first kettle body and matched with the first stirring part, the secondary reaction kettle comprises a plurality of second kettle bodies connected with the first kettle body, second stirring parts arranged in each second kettle body and one-way conveying parts arranged in each second kettle body, the constant-temperature curing kettle is connected with the second kettle body at the tail end, and the main reaction kettle, the secondary reaction kettle and the constant-temperature curing kettle are used for realizing sectional reaction, efficient stirring and mixing, directional material conveying and constant-temperature curing shaping of new energy precursors in a coordinated manner, so that the problems of uneven mixing and insufficient reaction of the traditional reaction device are solved, and meanwhile, the large-scale production requirements of new energy material precursors such as ternary lithium batteries and lithium iron phosphate batteries are met.

Inventors

  • Xu Nanliang

Assignees

  • 苏州微格纳米科技有限公司

Dates

Publication Date
20260512
Application Date
20260407

Claims (10)

  1. 1. A multi-kettle serial new energy precursor reaction device is characterized by comprising: The main reaction kettle (100) comprises a first kettle body (101), a first stirring component (102) arranged in the first kettle body (101) and a matching piece (103) arranged in the first kettle body (101) and matched with the first stirring component (102); The secondary reaction kettle (200) comprises a plurality of second kettle bodies (201) connected with the first kettle bodies (101), second stirring components (202) arranged in each second kettle body (201) and unidirectional conveying components (204) arranged in each second kettle body (201); and the constant temperature curing kettle (205), wherein the constant temperature curing kettle (205) is connected with the second kettle body (201) at the tail end.
  2. 2. The multi-kettle serial new energy precursor reaction device as claimed in claim 1, wherein the first stirring component (102) comprises a first stirring rod (1021) arranged in the first kettle body (101), a first stirring blade (1022) arranged at the lower end of the first stirring rod (1021), and a plurality of auxiliary stirring rings (1023) arranged on the first stirring rod (1021), the matching component (103) comprises a plurality of longitudinal matching scrapers (1031) arranged on the side wall of the first kettle body (101), and the longitudinal matching scrapers (1031) are circumferentially arranged on the side wall of the first kettle body (101) in an array.
  3. 3. The multi-kettle serial new energy precursor reaction device as claimed in claim 2, wherein the second stirring component (202) comprises an upper bracket (2021) arranged in the second kettle body (201), a lower bracket (2022) arranged on the bottom surface of the second kettle body (201), a rotating bending rod (2023) rotatably connected to the upper bracket (2021), an extending driving rod (2024) which is in ball joint with one end of the rotating bending rod (2023), a lower driving piece (300) arranged on the lower bracket (2022), a main stirring rod (2026) arranged on the lower driving piece (300) and a stirring piece (2028) arranged on the main stirring rod (2026), a plurality of driven stirring blades (2029) are arranged in the second kettle body (201), and a bidirectional motor (2025) for driving the rotating bending rod (2023) to rotate is arranged on the upper bracket (2021).
  4. 4. The multi-kettle serial new energy precursor reaction device as claimed in claim 3, wherein the lower driving part (300) comprises a hinged base (301) arranged on a lower bracket (2022), a hinged block (302) rotatably connected to the hinged base (301), and a matching seat (303) rotatably connected with the upper end of the hinged block (302), the matching seat (303) is connected with the lower end of a main stirring rod (2026), the stirring part (2028) comprises a sleeve (20281) sleeved on the main stirring rod (2026), a plurality of stirring struts (20282) arranged on the sleeve (20281) and an extension sleeve (20283) sleeved on the stirring struts (20282), and a plurality of stirring holes are formed in the extension sleeve (20283); A contraction spring is arranged between the extension sleeve (20283) and the stirring support rod (20282), the rotation plane of the hinged block (302) is perpendicular to the rotation plane of the matching seat (303), and an auxiliary stirring piece is coaxially arranged on the rotation bending rod (2023).
  5. 5. The multi-kettle serial new energy precursor reaction device as claimed in claim 4, wherein the auxiliary stirring piece comprises a driving triangle (400) coaxially arranged with the rotary bending rod (2023), a top plate (401) fixed on the upper bracket (2021), a frame body (402) connected on the top plate (401), auxiliary rotating rings (403) movably connected between the frame body (402) and the top plate (401), protruding deflector rods (404) arranged at two ends of the auxiliary rotating rings (403), and openings (405) arranged at the ends of the protruding deflector rods (404), wherein the inner wall of the auxiliary rotating rings (403) is always abutted against the protruding parts of the outer wall of the driving triangle (400).
  6. 6. The multi-kettle serial new energy precursor reaction device as claimed in claim 5, wherein the driven stirring blade (2029) is rotatably connected inside the second kettle body (201) and is longitudinally arranged, a friction gear (406) is arranged on a rotating shaft at the upper end of the driven stirring blade (2029), a friction rack (407) is arranged in the opening (405), and the friction rack (407) drives the friction gear (406) to rotate.
  7. 7. The multi-kettle serial new energy precursor reaction device as claimed in claim 6, wherein the unidirectional transport component (204) comprises an extension cylinder (2041) arranged in the second kettle body (201), a feeding groove body (2042) arranged at the upper end of the extension cylinder (2041), a pushing block body (2043) connected in the feeding groove body (2042) in a sliding manner, a discharging groove body (2044) arranged on the feeding groove body (2042) and a unidirectional valve connected on the discharging groove body (2044), and a pushing rod (2046) is hinged at the rear end of the pushing block body (2043) in a ball joint manner.
  8. 8. The multi-kettle serial new energy precursor reaction device as claimed in claim 7, wherein one end of the extension cylinder (2041) is rotatably connected with a first driving shaft (500) and a second driving shaft (501), the first driving shaft (500) and the second driving shaft (501) are oppositely arranged, inclined plates (502) are arranged at the ends, close to each other, of the first driving shaft (500) and the second driving shaft (501), rotating shafts (503) are rotatably connected to the two inclined plates (502), a driving block (504) is arranged between the two rotating shafts (503), a driving protruding rod (505) is arranged at the upper end of the driving block (504), a spherical groove (506) is arranged on the driving protruding rod (505), and a matching ball (507) matched with the spherical groove (506) is arranged on the pushing rod (2046).
  9. 9. The multi-kettle serial new energy precursor reaction device as claimed in claim 7, wherein the lower end of the feeding tank body (2042) is provided with a suction pipe (508), the orifice of the suction pipe (508) is provided with a one-way layer, and the one-way layer is provided with a cross opening.
  10. 10. The multi-kettle serial new energy precursor reaction device as claimed in claim 8, wherein the first driving shaft (500) and the rotating bending rod (2023) are respectively provided with a belt pulley (600), and a driving belt (601) is arranged between the two belt pulleys (600).

Description

Multi-kettle serial new energy precursor reaction device Technical Field The invention relates to the technical field of mixed reaction, in particular to a multi-kettle serial new energy precursor reaction device. Background The preparation of new energy precursors (such as ternary lithium batteries and lithium iron phosphate battery precursors) has extremely high requirements on reaction uniformity, continuity and product stability, and the multi-kettle serial reaction device can realize sectional reaction control, so that the multi-kettle serial reaction device becomes core equipment for large-scale production. The existing multi-kettle serial reaction device has obvious limitations that the stirring structure of the main reaction kettle is single, the raw materials are unevenly mixed, the large difference of crystal nucleus particle diameters is easy to cause, the secondary reaction kettle is lack of an efficient cooperative stirring mechanism, the material reaction is insufficient, the problem of back mixing and detention easily occurs in material conveying among kettles, the temperature fluctuation is large in each reaction stage, the curing process is not accurately controlled in temperature, the precursor crystal forms are inconsistent, the performance stability is poor, and the high-precision production requirement of new energy materials is difficult to meet. Aiming at the defects of the prior art, the application aims to solve the technical problems of optimizing the structural design and the cooperative mechanism of multi-kettle series connection, improving the mixing uniformity and the reaction sufficiency of raw materials, realizing directional and backmixing-free conveying of materials among kettles, ensuring constant temperature and stability in the curing process, further improving the product consistency, the crystal form quality and the production efficiency of new energy precursors and adapting to the requirements of large-scale industrial production. Disclosure of Invention This section is intended to outline some aspects of embodiments of the application and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description of the application and in the title of the application, which may not be used to limit the scope of the application. The invention is provided in view of the problems of the existing multi-kettle serial new energy precursor reaction device. Therefore, the invention aims to provide a multi-kettle serial new energy precursor reaction device. The technical scheme is that the multi-kettle serial new energy precursor reaction device comprises a main reaction kettle, a slave reaction kettle, a constant-temperature curing kettle and a constant-temperature curing kettle, wherein the main reaction kettle comprises a first kettle body, a first stirring component arranged in the first kettle body and a matching piece arranged in the first kettle body and matched with the first stirring component, the slave reaction kettle comprises a plurality of second kettle bodies connected with the first kettle body, a second stirring component arranged in each second kettle body and a one-way conveying component arranged in each second kettle body, and the constant-temperature curing kettle is connected with the second kettle body at the tail end. As a preferable scheme of the multi-kettle serial new energy precursor reaction device, the first stirring component comprises a first stirring rod arranged in a first kettle body, a first stirring tooth arranged at the lower end of the first stirring rod and a plurality of auxiliary stirring rings arranged on the first stirring rod, the matching piece comprises a plurality of longitudinal matching scraping plates arranged on the side wall of the first kettle body, the longitudinal matching scraping plates are circumferentially arranged on the side wall of the first kettle body in an array manner, the first stirring tooth comprises a matching mounting plate connected with the lower end of the first stirring rod, a first protruding tooth arranged on the matching mounting plate and a second protruding tooth connected with the first protruding tooth, and a connecting step is arranged between the first protruding tooth and the second protruding tooth. The multi-kettle serial new energy precursor reaction device is characterized in that the second stirring part comprises an upper bracket arranged in the second kettle body, a lower bracket arranged on the bottom surface of the second kettle body, a rotating bending rod rotatably connected to the upper bracket, an extending driving rod which is in ball hinge joint with one end of the rotating bending rod, a lower driving piece arranged on the lower bracket, a main stirring rod arranged on the lower driving piece and a stirring piece arranged on the main stirring rod, wherein a plurality of driven stirring blades are arranged in th