WO2018120047A1 - 一种锂电池正极材料用回转型干燥装置 - Google Patents

一种锂电池正极材料用回转型干燥装置 Download PDF

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Publication number
WO2018120047A1
WO2018120047A1 PCT/CN2016/113570 CN2016113570W WO2018120047A1 WO 2018120047 A1 WO2018120047 A1 WO 2018120047A1 CN 2016113570 W CN2016113570 W CN 2016113570W WO 2018120047 A1 WO2018120047 A1 WO 2018120047A1
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WIPO (PCT)
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fixed
storage tank
dispersing
positive electrode
lithium battery
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PCT/CN2016/113570
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English (en)
French (fr)
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王爽
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深圳市玖创科技有限公司
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Priority to PCT/CN2016/113570 priority Critical patent/WO2018120047A1/zh
Publication of WO2018120047A1 publication Critical patent/WO2018120047A1/zh

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B11/00—Machines or apparatus for drying solid materials or objects with movement which is non-progressive
    • F26B11/02—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles
    • F26B11/04—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles rotating about a horizontal or slightly-inclined axis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B23/00—Heating arrangements
    • F26B23/10—Heating arrangements using tubes or passages containing heated fluids, e.g. acting as radiative elements; Closed-loop systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
    • F26B25/04—Agitating, stirring, or scraping devices

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  • the invention relates to a battery cathode material drying device, in particular to a rotary drying device for a lithium battery cathode material.
  • Lithium-ion batteries have more and more broad applications, such as high specific energy, low self-discharge, high operating voltage, environmental friendliness and no memory effect.
  • the positive electrode materials for lithium ion batteries are mainly lithium manganate, lithium cobaltate, ternary, lithium iron phosphate, and doped or modified materials.
  • lithium batteries have higher and higher requirements for lithium manganate cathode materials, especially for lithium manganate containing more and more strict requirements.
  • the moisture in the lithium manganate material not only has a certain influence on the manufacturing process of the lithium battery, but also greatly affects the cycle life of the lithium battery.
  • the main manufacturers use double cone rotary vacuum drying equipment for drying, but the materials in the existing double cone rotary vacuum dryer, because the material itself contains a certain amount of moisture, in the process of rotation, the material is in the form of a block, It is difficult to disperse moisture, which takes a long time to completely dry the material.
  • An object of the present invention is to provide a rotary drying apparatus for a positive electrode material for a lithium battery to solve the problems set forth in the above background art.
  • the present invention provides the following technical solutions:
  • a rotary drying device for a positive electrode material for a lithium battery comprising a base, a storage tank and an air suction device; a first pillar, a second pillar and a hydraulic lifting device are arranged on the upper surface of the base; the first pillar is fixed In the left part of the upper surface of the base, a left side of the first pillar is provided with a first support plate; a left end of the first support plate is provided with a support, a motor is mounted on the support, and a coupling is arranged on the main shaft of the motor The main shaft of the motor is mounted with a rotating shaft through a coupling, and the rotating shaft is provided with a transmission.
  • the rotating shaft is mounted on the top of the first pillar through the first bearing, and the right end of the rotating shaft is fixed at the left end of the storage bin;
  • the second pillar is fixed on the base a right side of the upper surface, a second support plate on the right side of the second pillar, and an air suction device fixed on the second support plate;
  • the top of the hydraulic lifting device is provided with a hydraulic lifting rod, and the top of the hydraulic lifting rod is fixed at the top
  • the storage tank is placed at the upper part of the liquid storage tank, the storage tank is provided with a feeding pipe, and the material discharging device is provided with a material dispersing device;
  • the dispersing device is composed of a main dispersing rod and a secondary dispersing rod;
  • the main dispersing rod is fixed in the storage bin, and the main dispersing rod is provided with a secondary dispersing rod;
  • the air pumping device is connected with a gas pipe and a gas pipe
  • the liquid storage tank is filled with a liquid to be heated, and a spiral heating tube is provided at the bottom of the liquid storage tank.
  • the shape of the storage bin is an ellipsoidal shape.
  • the feed pipe is fixed in the middle of the storage bin, and the top pipe is provided on the feed pipe, and the top cover is connected with the feed pipe through the thread.
  • each main dispersing rod is provided with four auxiliary dispersing rods, and the auxiliary dispersing rod is evenly fixed around the main dispersing rod.
  • a sealing ring is disposed in the mounting ring on the outer side of the second bearing, and the sealing ring is disposed between the movable tube and the mounting ring.
  • the invention has the advantages of simple structure, complete functions, reasonable design and convenient use;
  • the lithium battery positive electrode material uses a rotary drying device to store the liquid in the liquid storage tank, and the hydraulic lifting device in the lower part of the liquid storage tank can drive the liquid storage tank to rise and make the storage
  • the tank is immersed in the liquid, the spiral heating tube can heat the liquid, and then the material in the storage box is heated, and then the liquid heats the storage box to make the heating more stable;
  • the motor can drive the storage box to rotate through the rotating shaft It is convenient for drying;
  • the air pumping device can extract the air and water vapor in the storage box, thereby improving the drying efficiency;
  • the material dispersing device can break the material through the rotation of the storage box, and at the same time, stir the stirring effect. Drying of the material.
  • Fig. 1 is a schematic view showing the structure of a rotary drying device for a positive electrode material for a lithium battery.
  • FIG. 2 is a schematic view showing the structure of a material dispersing device in a rotary drying device for a lithium battery positive electrode material.
  • Fig. 3 is a structural schematic view showing a connecting member in a rotary drying device for a positive electrode material for a lithium battery.
  • a rotary drying device for a positive electrode material for a lithium battery includes a base 1, a storage tank 11 and an air extracting device 21; the upper surface of the base 1 is provided with a first pillar 2 and a second a pillar 23 and a hydraulic lifting device 24; the first pillar 2 is fixed to the left portion of the upper surface of the base 1, the left portion of the first pillar 2 is provided with a first supporting plate 5; and the left end of the first supporting plate 5 is provided
  • the support 6, the motor 6 is mounted on the support 6, and the main shaft of the motor 7 is provided with a coupling 8, the main motor 7
  • the shaft is mounted with a rotating shaft 10 through a coupling 8, and the rotating shaft 10 is provided with a transmission 9, the rotating shaft 10 is mounted on the top of the first strut 2 through the first bearing 16, and the right end of the rotating shaft 10 is fixed at the left end of the storage bin 11;
  • the second pillar 23 is fixed to the right portion of the upper surface of the base 1, the second pillar 23 is provided with
  • the top of the hydraulic lifting device 24 is provided with a hydraulic lifting rod 3, and the top of the hydraulic lifting rod 3 is fixed at the bottom of the liquid storage tank 4; the liquid storage tank 4 is filled with a heating medium to be heated The liquid is provided at the bottom of the liquid storage tank 4 with a spiral heating tube 15 which can heat the liquid in the liquid storage tank 4; the shape of the storage tank 11 is an ellipsoidal shape, and the storage tank 11 is placed at In the upper part of the liquid storage tank 4, the storage tank 11 is provided with a delivery pipe 12, and the material storage box 11 is provided with a material dispersing device 14; the conveying pipe 12 is fixed in the middle of the storage box 11, the conveying pipe 12 is provided with a top cover 13 which is connected with the feed pipe 12 by threads, and can seal the feed pipe 12; A total of six devices 14 are fixed in the storage bin 11, and the material dispersing device 14 is composed of a main dispersing rod 25 and a secondary dispersing rod 26 for breaking up the material in the storage bin 11;
  • the rod 25
  • the hollow pipe 18 is installed through the first bearing 16.
  • the first bearing 16 is disposed in the through hole 17, the through hole 17 is disposed at the top of the second strut 23, and the left end of the hollow tube 18 is connected to the right end of the storage bin 11;
  • 19 is composed of a fixed pipe 27, a casing 28, a mounting ring 29, a sealing ring 30, a movable pipe 31 and a second bearing 32 for connecting the gas pipe 20 and the hollow pipe 18;
  • the fixed pipe 27 is connected to the top of the gas pipe 20
  • the top of the fixed tube 27 is fixed with a casing 28, the left portion of the casing 28 is provided with a mounting ring 29, and the mounting ring 29 is provided with a second bearing 32,
  • a movable tube 31 is mounted in the bearing 32, and a left end of the movable tube 31 is connected to the right end of the hollow tube 18;
  • a sealing ring 30 is disposed in the mounting ring 29 outside the second bearing 32, and the sealing ring 30 is disposed on the
  • the working principle of the invention is: when in use, the material to be dried is added to the storage box 11 through the delivery pipe 12, the delivery pipe 12 is sealed through the top cover 13; the motor 7 and the air extracting device 21 are activated, and the motor 7 passes
  • the rotating shaft 10 drives the storage box 11 to rotate, and the air extracting device 21 extracts the air and water vapor in the storage box 11 through the hollow tube 18; the hydraulic lifting device 24 and the spiral heating tube 15 are activated, and the hydraulic lifting device 24 is driven by the hydraulic lifting rod 3.
  • the liquid storage tank 4 rises, so that the lower portion of the storage tank 11 enters the liquid in the liquid storage tank 4, while the spiral heating tube 15 heats the liquid in the liquid storage tank; the material dispersing device 14 passes through the storage tank 11 After the rotation, the material is broken up; after the drying is completed, the dried material is discharged through the delivery pipe 12 to the storage bin 11.

Abstract

一种锂电池正极材料用回转型干燥装置，包括底座（1）、储料箱（11）和抽气装置（21）。底座（1）的上表面上设有第一支柱（2）、第二支柱（23）和液压升降装置（24）；第一支柱（2）的左部设有第一支撑板（5），第一支撑板（5）的左端设有支座（6），支座（6）上安装有电机（7），电机（7）的主轴通过联轴器（8）安装有转轴（10），转轴（10）的右端固定在储料箱（11）的左端；储料箱（11）上设有输料管（12），储料箱（11）内设有物料打散装置（14）；抽气装置（21）上连接有输气管（20），输气管（20）的顶部连接有连接件（19），连接件（19）的左部连接有空心管（18），空心管（18）的左端连接在储料箱（11）的右端；该干燥装置通过液体对储料箱（11）进行加热，便于干燥的进行；抽气装置（21）能将水蒸气抽出，物料打散装置（14）能将物料打散，同时起搅拌作用，提高了干燥效率。

Description

一种锂电池正极材料用回转型干燥装置 技术领域
本发明涉及一种电池正极材料干燥装置，具体是一种锂电池正极材料用回转型干燥装置。
背景技术
锂离子蓄电池具有比能量高，自放电低，工作电压高，对环境友好及无记忆效应等特点，具有越来越广阔的应用。而作为锂离子电池的正极材料主要是锰酸锂，钴酸锂，三元，磷酸铁锂及参杂或改性物。目前锂电池对锰酸锂正极材料的要求越来越高，特别是对锰酸锂含有水分要求越来越严。锰酸锂材料中的水分不仅对锂电池的制作工艺造成一定的影响，同时还会极大的影响锂电池的循环寿命。目前主要的厂家都是使用双锥回旋真空干燥设备进行干燥，但物料在现有的双锥回转真空干燥机内，由于本身物料含有一定的水分，在旋转的过程中，使物料成块状，水分难以散发，这样需要比较长的时间才能使物料完全干燥。
发明内容
本发明的目的在于提供一种锂电池正极材料用回转型干燥装置，以解决上述背景技术中提出的问题。
为实现上述目的，本发明提供如下技术方案：
一种锂电池正极材料用回转型干燥装置，包括底座、储料箱和抽气装置；所述底座的上表面上设有第一支柱、第二支柱和液压升降装置；所述第一支柱固定在底座上表面的左部，第一支柱的左部设有第一支撑板；所述第一支撑板的左端设有支座，支座上安装有电机，电机的主轴上设有联轴器，电机的主轴通过联轴器安装有转轴，转轴上设有变速器，转轴通过第一轴承安装在第一支柱的顶部，转轴的右端固定在储料箱的左端；所述第二支柱固定在底座上表面的右部，第二支柱的右侧设有第二支撑板，第二支撑板上固定有抽气装置；所述液压升降装置的顶部设有液压升降杆，液压升降杆的顶部固定在储液槽的底部；所述储料箱放置在储液槽的上部，储料箱上设有输料管，储料箱内设有物料打散装置；所述物料打散装置共有六个，均固定在储料箱内，物料打散装置由主打散杆和副打散杆组成；所述主打散杆固定在储料箱内，主打散杆上设有副打散杆；所述抽气装置上连接有输气管，输气管的顶部连接有连接件，连接件的左部连接有空心管，空心管通过第一轴承安装在第二支柱的顶部，第一轴承设置在通孔内，通孔设置在在第二支柱的顶部，空心管的左端连接在储料箱的右端；所述连接件由固定管、外壳、安装圈、密封圈、活动管和第二轴承组成；所述固定管连接在输气管的顶部，固定管的顶部固定有外壳，外壳的左部设有安装圈，安装圈内设有第二轴承，第二轴承中安装有活动管，活动管的左端连接在空心管的右端。
作为本发明进一步的方案：所述液压升降装置共有两个，均固定在底座的上表面上。
作为本发明进一步的方案：所述储液槽内填充有待加热的液体，储液槽的底部设有螺旋加热管。
作为本发明进一步的方案：所述储料箱的形状为椭球形。
作为本发明进一步的方案：所述输料管固定在储料箱的中部，输料管上设有顶盖，顶盖通过螺纹与输料管连接。
作为本发明进一步的方案：所述主打散杆共有六根，每根主打散杆上设有四根副打散杆，副打散杆均匀固定在主打散杆的四周。
作为本发明再进一步的方案：所述第二轴承外侧的安装圈内设有密封圈，密封圈设置在活动管与安装圈之间。
与现有技术相比，本发明的有益效果是：
本发明结构简单，功能齐全，设计合理，使用方便；该锂电池正极材料用回转型干燥装置中储液槽内储存内液体，储液槽下部的液压升降装置能带动储液槽上升，使储料箱浸入到液体内，螺旋加热管能将液体加热，进而对储料箱内的物料进行加热，才有液体对储料箱进行加热，使加热更加平稳；电机能通过转轴带动储料箱转动，便于干燥的进行；抽气装置能将储料箱内的空气和水蒸气抽出，提高了干燥效率；物料打散装置能通过储料箱的旋转，将物料打散，同时起搅拌作用，便于物料的干燥。
附图说明
图1为锂电池正极材料用回转型干燥装置的结构示意图。
图2为锂电池正极材料用回转型干燥装置中物料打散装置的结构示意图。
图3为锂电池正极材料用回转型干燥装置中连接件的结构示意图。
图中：1-底座，2-第一支柱，3-液压升降杆，4-储液槽，5-第一支撑板，6-支座，7-电机，8-联轴器，9-变速器，10-转轴，11-储料箱，12-输料管，13-顶盖，14-物料打散装置，15-螺旋加热管，16-第一轴承，17-通孔，18-空心管，19-连接件，20-输气管，21-抽气装置，22-第二支撑板，23-第二支柱，24-液压升降装置，25-主打散杆，26-副打散杆，27-固定管，28-外壳，29-安装圈，30-密封圈，31-活动管，32-第二轴承。
具体实施方式
下面结合具体实施方式对本专利的技术方案作进一步详细地说明。
请参阅图1-3，一种锂电池正极材料用回转型干燥装置，包括底座1、储料箱11和抽气装置21；所述底座1的上表面上设有第一支柱2、第二支柱23和液压升降装置24；所述第一支柱2固定在底座1上表面的左部，第一支柱2的左部设有第一支撑板5；所述第一支撑板5的左端设有支座6，支座6上安装有电机7，电机7的主轴上设有联轴器8，电机7的主 轴通过联轴器8安装有转轴10，转轴10上设有变速器9，转轴10通过第一轴承16安装在第一支柱2的顶部，转轴10的右端固定在储料箱11的左端；所述第二支柱23固定在底座1上表面的右部，第二支柱23的右侧设有第二支撑板22，第二支撑板22上固定有抽气装置21；所述液压升降装置24共有两个，均固定在底座1的上表面上，液压升降装置24的顶部设有液压升降杆3，液压升降杆3的顶部固定在储液槽4的底部；所述储液槽4内填充有待加热的液体，储液槽4的底部设有螺旋加热管15，螺旋加热管15能对储液槽4内的液体进行加热；所述储料箱11的形状为椭球形，储料箱11放置在储液槽4的上部，储料箱11上设有输料管12，储料箱11内设有物料打散装置14；所述输料管12固定在储料箱11的中部，输料管12上设有顶盖13，顶盖13通过螺纹与输料管12连接，能将输料管12密封；所述物料打散装置14共有六个，均固定在储料箱11内，物料打散装置14由主打散杆25和副打散杆26组成，用于将储料箱11内的物料打散；所述主打散杆25固定在储料箱11内，主打散杆25上设有副打散杆26，每根主打散杆25上设有四根副打散杆26，副打散杆26均匀固定在主打散杆25的四周；所述抽气装置21上连接有输气管20，输气管20的顶部连接有连接件19，连接件19的左部连接有空心管18，空心管18通过第一轴承16安装在第二支柱23的顶部，第一轴承16设置在通孔17内，通孔17设置在在第二支柱23的顶部，空心管18的左端连接在储料箱11的右端；所述连接件19由固定管27、外壳28、安装圈29、密封圈30、活动管31和第二轴承32组成，用于连接输气管20和空心管18；所述固定管27连接在输气管20的顶部，固定管27的顶部固定有外壳28，外壳28的左部设有安装圈29，安装圈29内设有第二轴承32，第二轴承32中安装有活动管31，活动管31的左端连接在空心管18的右端；所述第二轴承32外侧的安装圈29内设有密封圈30，密封圈30设置在活动管31与安装圈29之间，用于防止连接件19内的气体泄漏。
本发明的工作原理是：使用时，通过输料管12向储料箱11内添加待干燥的物料，通过顶盖13将输料管12密封；启动电机7和抽气装置21，电机7通过转轴10带动储料箱11旋转，抽气装置21通过空心管18抽出储料箱11内的空气和水蒸气；启动液压升降装置24和螺旋加热管15，液压升降装置24通过液压升降杆3带动储液槽4上升，使储料箱11的下部进入到储液槽4中的液体内，同时螺旋加热管15对储液箱内的液体进行加热；物料打散装置14通过储料箱11的旋转，将物料打散；干燥完成后，通过输料管12将干燥后的物料排出储料箱11。
上面对本专利的较佳实施方式作了详细说明，但是本专利并不限于上述实施方式，在本领域的普通技术人员所具备的知识范围内，还可以在不脱离本专利宗旨的前提下做出各种变化。

Claims (7)

  1. 一种锂电池正极材料用回转型干燥装置，包括底座(1)、储料箱(11)和抽气装置(21)；其特征在于，所述底座(1)的上表面上设有第一支柱(2)、第二支柱(23)和液压升降装置(24)；所述第一支柱(2)固定在底座(1)上表面的左部，第一支柱(2)的左部设有第一支撑板(5)；所述第一支撑板(5)的左端设有支座(6)，支座(6)上安装有电机(7)，电机(7)的主轴上设有联轴器(8)，电机(7)的主轴通过联轴器(8)安装有转轴(10)，转轴(10)上设有变速器(9)，转轴(10)通过第一轴承(16)安装在第一支柱(2)的顶部，转轴(10)的右端固定在储料箱(11)的左端；所述第二支柱(23)固定在底座(1)上表面的右部，第二支柱(23)的右侧设有第二支撑板(22)，第二支撑板(22)上固定有抽气装置(21)；所述液压升降装置(24)的顶部设有液压升降杆(3)，液压升降杆(3)的顶部固定在储液槽(4)的底部；所述储料箱(11)放置在储液槽(4)的上部，储料箱(11)上设有输料管(12)，储料箱(11)内设有物料打散装置(14)；所述物料打散装置(14)共有六个，均固定在储料箱(11)内，物料打散装置(14)由主打散杆(25)和副打散杆(26)组成；所述主打散杆(25)固定在储料箱(11)内，主打散杆(25)上设有副打散杆(26)；所述抽气装置(21)上连接有输气管(20)，输气管(20)的顶部连接有连接件(19)，连接件(19)的左部连接有空心管(18)，空心管(18)通过第一轴承(16)安装在第二支柱(23)的顶部，第一轴承(16)设置在通孔(17)内，通孔(17)设置在在第二支柱(23)的顶部，空心管(18)的左端连接在储料箱(11)的右端；所述连接件(19)由固定管(27)、外壳(28)、安装圈(29)、密封圈(30)、活动管(31)和第二轴承(32)组成；所述固定管(27)连接在输气管(20)的顶部，固定管(27)的顶部固定有外壳(28)，外壳(28)的左部设有安装圈(29)，安装圈(29)内设有第二轴承(32)，第二轴承(32)中安装有活动管(31)，活动管(31)的左端连接在空心管(18)的右端。
  2. 根据权利要求1所述的一种锂电池正极材料用回转型干燥装置，其特征在于，所述液压升降装置(24)共有两个，均固定在底座(1)的上表面上。
  3. 根据权利要求1所述的一种锂电池正极材料用回转型干燥装置，其特征在于，所述储液槽(4)内填充有待加热的液体，储液槽(4)的底部设有螺旋加热管(15)。
  4. 根据权利要求1所述的一种锂电池正极材料用回转型干燥装置，其特征在于，所述储料箱(11)的形状为椭球形。
  5. 根据权利要求1所述的一种锂电池正极材料用回转型干燥装置，其特征在于，所述输料管(12)固定在储料箱(11)的中部，输料管(12)上设有顶盖(13)，顶盖(13)通过螺纹与输料管(12)连接。
  6. 根据权利要求1所述的一种锂电池正极材料用回转型干燥装置，其特征在于，所述主打散 杆共有六根，每根主打散杆(25)上设有四根副打散杆(26)，副打散杆(26)均匀固定在主打散杆(25)的四周。
  7. 根据权利要求1所述的一种锂电池正极材料用回转型干燥装置，其特征在于，所述第二轴承(32)外侧的安装圈(29)内设有密封圈(30)，密封圈(30)设置在活动管(31)与安装圈(29)之间。
PCT/CN2016/113570 2016-12-30 2016-12-30 一种锂电池正极材料用回转型干燥装置 WO2018120047A1 (zh)

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CN109631527A (zh) * 2019-02-01 2019-04-16 郑州泰达节能干燥设备有限公司 转筒旋翼烘干机
CN115164543A (zh) * 2022-06-02 2022-10-11 安徽广信农化股份有限公司 一种敌草隆颗粒剂用烘干装置及其烘干方法
CN115321570A (zh) * 2022-08-17 2022-11-11 多氟多（昆明）科技开发有限公司 基于生物工程的蒸馏式冰晶石生产用提炼装置
CN116213011A (zh) * 2023-04-06 2023-06-06 江苏万锂达智能科技有限公司 一种用于锂电池负极材料的研磨设备及工艺
CN116277599A (zh) * 2023-03-28 2023-06-23 东莞市万塑成塑料有限公司 一种petg片材生产用原料预处理流水线以及处理方法
CN117606207A (zh) * 2024-01-18 2024-02-27 江苏天力干燥工程有限公司 蒸发干燥机

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CN109631527A (zh) * 2019-02-01 2019-04-16 郑州泰达节能干燥设备有限公司 转筒旋翼烘干机
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CN116213011A (zh) * 2023-04-06 2023-06-06 江苏万锂达智能科技有限公司 一种用于锂电池负极材料的研磨设备及工艺
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CN117606207A (zh) * 2024-01-18 2024-02-27 江苏天力干燥工程有限公司 蒸发干燥机

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