Oxidation synthesis production equipment for new energy battery material manganous-manganic oxide

Abstract

The utility model discloses a new energy battery material manganous-manganic oxide oxidation synthesis production device, and relates to the technical field of new energy battery material preparation devices, the new energy battery material manganous-manganic oxide oxidation synthesis production device comprises a motor and a barrel body, the motor is downwards connected with a speed reducer and a bearing seat in sequence, the bearing seat is connected with a stirring shaft, and the stirring shaft is connected with a motor. The stirring shaft is sequentially connected with a first-stage stirring part, a second-stage stirring part and a third-stage stirring part from top to bottom; the upper end of the cylinder body is connected with a flat cover through a flange, and a plurality of groups of feeding holes are annularly and uniformly formed in the flat cover; and a plurality of groups of oxygen inlets are annularly formed in the lower part of the cylinder outside the cylinder. As the three-layer paddle form is adopted, the bottom layer is the oblique warping type dispersion paddle, the middle layer is the disc scraper blade type paddle, and the upper layer is the oblique blade downward pressing type paddle, the technical problem that crystallization and bottom sinking are easy in the prior art is effectively solved, and further uniform material flowing, no sediment at the bottom, upturning of the bottom material by bottom stirring and uniform stirring of the bottom material are ensured. The materials are fully contacted and reacted.

Description

Technical Field

[0001] This utility model relates to the technical field of new energy battery material preparation equipment, and in particular to a production equipment for the oxidation synthesis of manganese tetroxide for new energy battery materials. Background Technology

[0002] With the transformation of the global energy structure and the increasing awareness of environmental protection, new energy battery materials are being used more and more widely in electric vehicles, renewable energy storage, and other fields. As a core component of new energy batteries, the performance of battery materials directly determines key indicators such as energy density, cycle life, and safety performance.

[0003] Oxidative synthesis is a commonly used method in the preparation of new energy battery materials. This technology transforms raw materials into the desired battery materials through redox reactions, offering advantages such as simple process, low energy consumption, and wide applicability. However, traditional oxidative synthesis techniques suffer from technical problems such as low material purity, uneven reaction, easy crystallization and sedimentation, and environmental unfriendliness, making it difficult to meet the needs of large-scale production. Utility Model Content

[0004] This application provides a production equipment for the oxidation synthesis of manganese tetroxide, a new energy battery material, which solves the technical problems of low material purity, uneven reaction, easy crystallization and sedimentation, and environmental unfriendliness in the prior art.

[0005] This application provides a production equipment for the oxidation synthesis of manganese tetroxide, a new energy battery material, including a motor and a cylinder. The motor is connected to a reducer via a coupling. The output end of the reducer is connected to the upper end of a stirring shaft. A bearing seat is provided between the reducer and the stirring shaft, and the bearing seat is connected to the top of the cylinder. The stirring shaft is connected from top to bottom to a primary stirring section, a secondary stirring section, and a tertiary stirring section. The primary stirring section includes a first sleeve and inclined blade downward-pressing impellers. The first sleeve is locked to the stirring shaft by screws, and several sets of inclined blade downward-pressing impellers are uniformly welded to the outer ring of the first sleeve. The secondary stirring section... The system includes a second sleeve and disc scraper blades. The second sleeve is connected to the stirring shaft by a key. The second sleeve extends outward to form a disc-shaped part, and several sets of disc scraper blades are uniformly welded to the outer ring of the disc-shaped part. The third-stage stirring part includes a third sleeve and inclined dispersion blades. The third sleeve is locked to the stirring shaft by screws, and several sets of inclined dispersion blades are uniformly welded to the outer ring of the third sleeve. A flat cover is connected to the upper end of the cylinder by a flange, and several sets of feed inlets are evenly distributed in a ring on the flat cover. Several sets of oxygen inlets are arranged in a ring outside the cylinder and located at the lower part of the cylinder.

[0006] Furthermore, the outer diameter of the primary stirring section is larger than that of the secondary stirring section, and the outer diameter of the secondary stirring section is larger than that of the tertiary stirring section; the distance between the secondary and tertiary stirring sections is one-third of the distance between the primary and secondary stirring sections.

[0007] Furthermore, the feed inlet is connected to a feed pipe, which is located inside the cylinder. The feed pipe includes a straight pipe and a bent pipe. One end of the straight pipe is connected to the feed inlet, and the bent pipe is welded to the other end of the straight pipe. The bent pipe is configured to bend inward. The feed pipe is fixed by three sets of square brackets. One end of each square bracket is welded to the inner wall of the cylinder, and the other end of each square bracket is fixed to the feed pipe with bolts. The distance between the three sets of square brackets is equal.

[0008] Furthermore, each of the square supports has a rectangular groove at its center, and a spoiler is vertically installed and welded inside the rectangular groove; the length of the rectangular groove is the same as the width of the spoiler, and the width of the rectangular groove is the same as the thickness of the spoiler; the length of the spoiler is less than the length of the straight pipe; the bottom of the spoiler and the welding point between the bend and the straight pipe are on the same horizontal line.

[0009] Furthermore, an oxidation aeration section is provided at the end of the oxygen inlet, and several sets of oxygen outlet holes are evenly arranged on the outer ring of the oxidation aeration section; the oxygen inlet is inclined and penetrates into the interior of the cylinder.

[0010] Furthermore, the outer side of the cylinder is provided with a sampling port, a remote thermometer port, and a steam inlet; the sampling port and the remote thermometer port are arranged symmetrically; the bottom of the cylinder is provided with a condensate outlet and a discharge port; the flat cover is provided with a pH meter port and several sets of spare ports.

[0011] Furthermore, the steam inlet is fixed to the outer wall of the cylinder by a steam heating coil, and the distance between two adjacent sets of the steam heating coil is equal; the condensate outlet is fixed to the bottom outer wall of the cylinder by a condensate coil, and the distance between two adjacent sets of the condensate coil is equal.

[0012] One or more technical solutions provided in the embodiments of this application have at least the following technical effects or advantages:

[0013] 1. Because a multi-point oxidation explosion section is used at the oxygen inlet end, the technical problems of low material purity and uneven reaction in the existing technology are effectively solved, thereby ensuring the balance and fullness of the oxidation synthesis process, improving the utilization efficiency of materials, improving the performance of battery materials, and improving the battery's high energy density, thermal stability and specific capacity.

[0014] 2. Due to the adoption of a three-layer blade design, with the bottom layer being a tilted dispersion blade, the middle layer being a disc scraper blade, and the top layer being a tilted downward pressing blade, the technical problem of easy crystallization and sedimentation in the existing technology is effectively solved. This ensures uniform material flow, no sedimentation at the bottom, and bottom stirring to turn the bottom material up, allowing for full contact and reaction of the materials. Attached Figure Description

[0015] Figure 1 This is the front view of this utility model application;

[0016] Figure 2 This is a top view of the present utility model application;

[0017] Figure 3 This is a schematic diagram of the installation structure of the feed pipe and baffle of this utility model;

[0018] Figure 4 This is a schematic diagram of the structure of the primary stirring section of this utility model;

[0019] Figure 5 This is a schematic diagram of the structure of the secondary stirring section of this utility model;

[0020] Figure 6 This is a schematic diagram of the three-stage stirring section of this utility model;

[0021] Figure 7 This is a schematic diagram of the oxygen inlet structure of this utility model. Detailed Implementation

[0022] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present invention.

[0023] A production equipment for the oxidation synthesis of manganese tetroxide, a new energy battery material, includes a motor 1 and a cylinder 4. The motor 1 is connected to a reducer 2 via a coupling. The output end of the reducer 2 is connected to the upper end of a stirring shaft 7. A bearing seat 3 is provided between the reducer 2 and the stirring shaft 7, and the bearing seat 3 is connected to the top of the cylinder 4. The motor 1 serves as a power source and is coaxially connected to the reducer 2 via a coupling. The output end of the reducer 2 is connected to the stirring shaft 7 via a key. The support between the reducer 2 and the stirring shaft 7, as well as the support of the stirring shaft 7 itself, depends on the bearing seat 3, forming a complete and stable transmission and stirring system. The stirring shaft 7 rotates clockwise and is connected from top to bottom to a primary stirring section 14, a secondary stirring section 13, and a tertiary stirring section 12.

[0024] The primary stirring section 14 includes a first sleeve 14.2 and inclined blade downward-pressing impellers 14.1. The first sleeve 14.2 is locked to the stirring shaft 7 by screws, and several sets of inclined blade downward-pressing impellers 14.1 are uniformly welded to the outer ring of the first sleeve 14.2. The secondary stirring section 13 includes a second sleeve 13.1 and disc scraper impellers 13.2. The second sleeve 13.1 is connected to the stirring shaft 7 by a key, and the second sleeve 13.1 extends outward to form a disc-shaped portion 13.3. The disc-shaped part 13.3 has several sets of disc scraper-type blades 13.2 uniformly welded to its outer ring; the three-stage stirring part 12 includes a third sleeve 12.1 and inclined dispersion blades 12.2. The third sleeve 12.1 is locked to the stirring shaft 7 by screws, and several sets of inclined dispersion blades 12.2 are uniformly welded to its outer ring; the three-layer stirring method ensures uniform material reaction and no material sedimentation. At the same time, the bottom stirring turns the bottom material up, ensuring full contact and reaction of the material.

[0025] The upper end of the cylinder 4 is connected to a flat cover 6 via a flange. Several sets of feed inlets 5 are evenly distributed in a ring on the flat cover 6. Several sets of oxygen inlets 9 are arranged in a ring outside the cylinder 4 and at the lower part of the cylinder 4. Among them, there are five sets of feed inlets 5 and four sets of oxygen inlets 9.

[0026] In this embodiment, the outer diameter of the primary stirring section 14 is greater than the outer diameter of the secondary stirring section 13, and the outer diameter of the secondary stirring section 13 is greater than the outer diameter of the tertiary stirring section 12; the distance between the secondary stirring section 13 and the tertiary stirring section 12 is one-third of the distance between the primary stirring section 14 and the secondary stirring section 13.

[0027] In this embodiment, the feed inlet 5 is connected to a feed pipe 19, which is located inside the cylinder 4. The feed pipe 19 includes a straight pipe 19.1 and a bent pipe 19.2. One end of the straight pipe 19.1 is connected to the feed inlet 5, and the bent pipe 19.2 is welded to the other end of the straight pipe 19.1. The bent pipe 19.2 is bent inward. The feed pipe 19 is fixed by three sets of square brackets 20. One end of each square bracket 20 is welded to the inner wall of the cylinder 4, and the other end of each square bracket 20 is fixed to the feed pipe 19 by bolts. The distance between the three sets of square brackets 20 is equal. By setting the end of the feed pipe 19 as a bent pipe 19.2, the feeding direction of the material is changed, preventing direct oxygen blowing.

[0028] In this embodiment, each of the square brackets 20 has a rectangular groove at its center, and a spoiler 21 is vertically arranged and welded inside the rectangular groove; the length of the rectangular groove is the same as the width of the spoiler 21, and the width of the rectangular groove is the same as the thickness of the spoiler 21; the length of the spoiler 21 is less than the length of the straight pipe 19.1; the bottom of the spoiler 21 and the welding point of the bent pipe 19.2 and the straight pipe 19.1 are on the same horizontal line.

[0029] In this embodiment, an oxidation aeration section 9.1 is provided at the end of the oxygen inlet 9, and several sets of oxygen outlet holes 9.11 are evenly arranged on the outer ring of the oxidation aeration section 9.1; the oxygen inlet 9 is inclined to penetrate into the inside of the cylinder 4, and the setting of the oxidation aeration section can ensure the dispersion of oxygen and better oxidation with the material.

[0030] In this embodiment, the outer side of the cylinder 4 is provided with a sampling port 15, a remote thermometer port 18 and a steam inlet 8; the sampling port 15 and the remote thermometer port 18 are arranged symmetrically; the bottom of the cylinder 4 is provided with a condensate outlet 10 and a discharge port 11; the flat cover is provided with a pH meter port 17 and several sets of spare ports 16.

[0031] In this embodiment, the steam inlet 8 is fixed to the outer wall of the cylinder 4 by a steam heating coil 8.1, and the distance between two adjacent groups of the steam heating coil 8.1 is equal; the condensate outlet 10 is fixed to the bottom outer wall of the cylinder 4 by a condensate coil 10.1, and the distance between two adjacent groups of the condensate coil 10.1 is equal.

[0032] The device described in this application employs PLC interlocking control. Based on the temperature and pressure requirements, total feed rate, formula, and feeding sequence specified in the process flow, a programmed control system automatically controls the feeding, heating, gas intake, and pressurization. According to the feed flow rate, combined with the reactor and outlet temperatures and various process conditions, the system automatically adjusts the reactor temperature and raw material usage, and optimizes the alarm and handling functions for exceeding the limits of key process parameters, achieving intelligent automatic control of the entire chemical reaction process in the reactor. This realizes human-machine collaboration, reduces labor costs, and ensures fast and convenient operation. Data acquisition and signal feedback enable compensation and correction of the production process, better guaranteeing product yield and quality.

[0033] This application enables the automatic addition of alkaline materials such as sodium alkali and ammonia, adjusts the pH value in the synthesis tank, ensures a safe reaction environment, and guarantees that the by-product materials from the reaction are environmentally friendly and can be reused or degraded.

[0034] Working principle: Based on the synthesis reaction characteristics of battery metal salt raw materials, the metal salt materials and synthesis reactants are heated or cooled to the required synthesis temperature through the steam heating coil and condensate coil outside the reactor. Under pressurized conditions, the oxygen and metal salt materials are stirred and fully synthesized through the oxygen aeration section to crystallize and produce new energy cathode materials. At the same time as the synthesis reaction, sodium salt or ammonia water is introduced to adjust the pH value, ensuring the pH balance of the reaction environment and the subsequent discharge of the liquid in compliance with environmental standards.

[0035] Although preferred embodiments of the present invention have been described, those skilled in the art, upon learning the basic inventive concept, can make other changes and modifications to these embodiments. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments as well as all changes and modifications falling within the scope of the present invention.

[0036] Obviously, those skilled in the art can make various modifications and variations to this utility model without departing from its spirit and scope. Therefore, if these modifications and variations fall within the scope of the claims of this utility model and their equivalents, this utility model also intends to include these modifications and variations.

Claims

1. A new energy battery material trimanganese tetraoxide oxidation synthesis production equipment, including motor (1) and cylinder (4), the motor (1) is connected with speed reducer (2) through the shaft coupling, the output end of speed reducer (2) is connected the upper end of stirring shaft (7), the speed reducer (2) is provided with bearing seat (3) between and stirring shaft (7), the bearing seat (3) is connected with the top of cylinder (4);Its characterized in that: The stirring shaft (7) is sequentially connected with a first-stage stirring part (14), a second-stage stirring part (13) and a third-stage stirring part (12) from top to bottom; The first-stage stirring part (14) comprises a first sleeve (14.2) and a slanting-blade downward-pressing paddle (14.1), the first sleeve (14.2) is locked with the stirring shaft (7) by means of screws, and a plurality of groups of slanting-blade downward-pressing paddles (14.1) are uniformly welded in a ring shape on the outer circle of the first sleeve (14.2); The second-stage stirring part (13) comprises a second sleeve (13.1) and a disc scraper paddle (13.2), the second sleeve (13.1) is connected with the stirring shaft (7) by means of keys, the second sleeve (13.1) is outwardly extended to be provided as a disc part (13.3), and a plurality of groups of disc scraper paddles (13.2) are uniformly welded in a ring shape on the outer circle of the disc part (13.3); The third-stage stirring part (12) comprises a third sleeve (12.1) and a slanting-tilting dispersion paddle (12.2), the third sleeve (12.1) is locked with the stirring shaft (7) by means of screws, and a plurality of groups of slanting-tilting dispersion paddles (12.2) are uniformly welded in a ring shape on the outer circle of the third sleeve (12.1); The upper end of the cylinder body (4) is connected with a flat cover (6) through a flange, and a plurality of groups of feeding ports (5) are uniformly arranged in a ring shape on the flat cover (6); A plurality of groups of oxygen inlets (9) are arranged in a ring shape on the outer side of the cylinder body (4) and at the lower part of the cylinder body (4).

2. The new energy battery material trimanganese tetraoxide oxide synthesis production equipment according to claim 1 is characterized in that: The outer diameter of the first-stage stirring part (14) is greater than the outer diameter of the second-stage stirring part (13), and the outer diameter of the second-stage stirring part (13) is greater than the outer diameter of the third-stage stirring part (12); The distance between the second-stage stirring part (13) and the third-stage stirring part (12) is one third of the distance between the first-stage stirring part (14) and the second-stage stirring part (13).

3. The new energy battery material trimanganese tetraoxide oxide synthesis production equipment according to claim 1 is characterized in that: The feeding port (5) is connected with a feeding pipe (19), and the feeding pipe (19) is arranged inside the cylinder body (4); The feeding pipe (19) comprises a straight pipe (19.1) and a bent pipe (19.2), one end of the straight pipe (19.1) is connected with the feeding port (5), the bent pipe (19.2) is welded with the other end of the straight pipe (19.1), and the bent pipe (19.2) is arranged to be inwardly bent; The feeding pipe (19) is fixed through three groups of square supports (20), one end of the square support (20) is welded on the inner wall of the cylinder body (4), and the other end of the square support (20) is fixed with the feeding pipe (19) through bolts; The distances between the three groups of square supports (20) are equal.

4. The new energy battery material trimanganese tetraoxide oxide synthesis production equipment according to claim 3, characterized in that: Rectangular grooves are formed in the centers of the square supports (20), and turbulence plates (21) are vertically and perpendicularly arranged and welded in the rectangular grooves; The groove length of the rectangular groove is consistent with the width of the turbulence plate (21), and the groove width of the rectangular groove is consistent with the thickness of the turbulence plate (21); The length of the turbulence plate (21) is less than the length of the straight pipe (19.1); The bottom end of the turbulence plate (21) and the welding position of the bent pipe (19.2) and the straight pipe (19.1) are on the same horizontal line.

5. The new energy battery material trimanganese tetraoxide oxide synthesis production equipment according to claim 1 is characterized in that: The oxygen inlet (9) is provided with an oxidizing explosion part (9.1) at the end, and the outer circle of the oxidizing explosion part (9.1) is uniformly provided with a plurality of groups of oxygen outlet holes (9.11). The oxygen inlet (9) is obliquely penetrated into the inside of the cylinder body (4).

6. The new energy battery material trimanganese tetraoxide oxide synthesis production equipment according to claim 1 is characterized in that: The outer side of the cylinder body (4) is provided with a sampling port (15), a remote thermometer port (18) and a steam inlet (8); the sampling port (15) and the remote thermometer port (18) are symmetrically arranged. The bottom of the cylinder body (4) is provided with a condensed water outlet (10) and a discharge port (11). A plurality of groups of standby ports (16) and a pH meter port (17) are arranged on the flat cover.

7. The new energy battery material trimanganese tetraoxide oxide synthesis production equipment according to claim 6, characterized in that: The steam inlet (8) is fixed on the outer wall of the cylinder body (4) by a steam heating coil pipe (8.1), and the distance between adjacent two groups of the steam heating coil pipe (8.1) is equal. The condensed water outlet (10) is fixed on the bottom outer wall of the cylinder body (4) by a condensed water coil pipe (10.1), and the distance between adjacent two groups of the condensed water coil pipe (10.1) is equal.

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