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Battery stirring and dispersing equipment

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Technical parameters

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The product principle

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　　Lithium-ion batteries are currently available in liquid lithium-ion batteries (LIB) and polymer lithium-ion batteries (PLB). Among them, the liquid lithium ion battery refers to a secondary battery in which the Li+ intercalation compound is a positive electrode or a negative electrode. The positive electrode is a lithium compound such as LiFePO4, LiCoO2, LiMn2O4, Li(NiCo)O2 or LiV2O5, and the negative electrode is a lithium-carbon intercalation compound. Lithium-ion battery is an ideal energy source for the development of the 21st century due to its high working voltage, small size, light weight, high energy, no memory effect, no pollution, low self-discharge and long cycle life. At present, it has been widely used in mobile phones, notebook computers, digitally equivalent portable electronic products, and is expanding to electric toys, electric tools, electric bicycles, electric vehicles and the like. On December 9, 2009, Premier Wen Jiabao presided over the State Council executive meeting, and finally finalized the consumption incentive policies such as automobile purchase tax, automobile going to the countryside, automobile trade-in, new energy vehicles, and especially the support for new energy vehicles. Electric vehicles will become the main development direction of new energy vehicles in China. The three core technologies of new energy vehicles are in-vehicle energy systems, drive systems and control systems; that is, on-board batteries, electric motors and electronic control systems, of which battery technology is particularly critical. According to Japan's IIT, Hybrid Electric Vehicles (HEVs), Rechargeable Hybrid Electric Vehicles (PHEVs), and Pure Electric Vehicles (EVs) using lithium-ion batteries have been launched since 2009 and 2010, and by 2012, The market size is still not up to NiMH battery, but since 2013, its scale has begun to greatly exceed that of NiMH battery vehicles; and since 2013, the market size of NiMH battery vehicles has been basically fixed, with almost no growth. However, the market size of lithium battery vehicles has gradually increased with the growth of these new energy vehicle markets, and has become the mainstream of the market. Lithium-ion batteries with excellent performance are inseparable from advanced production processes and manufacturing equipment, such as battery slurry dispersing equipment, coating equipment, etc. Among them, uniform dispersion of battery slurry is one of the keys to producing excellent lithium batteries.

Nantong Fleck Fluid Equipment Co., Ltd. is one of the factories specializing in the production of crushing and dispersing emulsification mixing equipment, and has more than a dozen national patents. After several years of research and development, it has finally produced a super international advanced battery stirring and dispersing production line to realize electrode powder materials. Online vacuum suction stirring and filtration automatic complete equipment of lithium iron phosphate (LiFePO4), lithium manganate (LiMn2O4), carbon black, graphite and liquid phase solvent such as NMP/H2O, which effectively solves the agglomeration of electrode powder materials. , dust flying, air moisture, environmental pollution and other series of problems, and in a short time to complete the process that the general equipment can not be completed, the advanced point is that one-button operation is safe and reliable.

The battery mixing and dispersing equipment adopts advanced design concept and humanized equipment preparation, from vacuum suction of raw materials to mixing and mixing, from liquid-to-crushing to rat petting, from high-speed dispersion to filtering finished product discharge, each channel Each process of the process can be automated, and the entire production process is fully sealed under low-temperature vacuum, effectively solving the problems of dust flying, environmental pollution, and entry of impurities and water due to feeding.

　　The battery stirring and dispersing complete equipment is composed of vacuum reactor, frame stirrer, mouse pet shearing machine, self-cleaning filter, double-stage shearing colloid mill, dispersing condenser, electrical control box, etc. The only slurry mixing and dispersing equipment in the battery manufacturing industry. In the liquid-solid stirring process, the liquid is sucked and mixed by the vacuum first, then the powder is sucked into the frame for coarse mixing, and the piece is homogenized and mixed to the bottom of the kettle, and then enters the rat pet box for cyclic dispersion and mixing cooling motion. . Since the material continuously enters the rat pet from the edge of the barrel after the frame is coarsely stirred, and the material is rotated by the spiral in the rat pet box, the material is continuously lifted and sheared, and then re-entered into the side cavity of the barrel for circulating cooling and mixing, due to The material has no dead angle during the stirring process of the reactor (-), and (2) continuously performs the mixing and cooling cycle cooling movement, so the temperature generated during the stirring process is just when the mixing cycle is performed through the narrow barrel wall cavity. The cooling water is cooled in time to reduce the temperature, and the uniformity of the mixing and mixing by the circulation cooling is quite good. In order to shorten the stirring time, the temperature is effectively lowered to solve the small particles generated between the liquid and the powder during the stirring process. The grade shear colloid mill is used to complete. Ensure that the battery slurry mixing time is short, fine and stable, and the product quality is superior to the international advanced level.

　　The two-stage shear colloid mill is a suction pan. (Detailed call to see the two-stage shear colloid mill working principle description) The longer the storage time.

　　The temperature produced by the two-stage shear colloid mill is cooled by a decentralized condenser. The dispersing condenser is made up of a pipeline type static mixing unit and a cooling jacket, and mainly feeds the material into the dispersing condenser through a certain pressure, continuously changes the flow direction angle of the material through the mixing unit in the pipeline, and continuously shears and disperses. During the whole process, the material flows from the center of the pipeline to the wall to be continuously cooled and then cooled to the center of the pipeline to recycle, effectively cooling and mixing the dispersed materials.

　　When the finished product is discharged, the self-cleaning filter is used to complete the control fineness to ensure the product quality. The self-cleaning filter is a special filter. The filter is continuously removed by the rotation of the main shaft at the outlet of the reaction kettle. After the discharge valve is opened, the slurry continuously flows out of the finished product according to your needs, and the other substandard slurry re-enters the two-stage shearing type colloid mill into the grinding and dispersing.

Accessories: Equipment selection parameters and technical requirements (downloadable)

　First, the technical parameters of your company's materials:

Material medium

Processing capacity(m³/h)

Liquid category

□Water-based,　□Oily,　□Solvent

Solid category

□Agglomerate,　□Crystals,　□Primary particle

Liquid to solid ratio(%)

Viscosity Pa.s

Material flow

□Very good (water),　□可以，　□difference,　□Very poor

Feed contains

Large particles mm,Take up %

Medium particle mm,Take up %

Small particles mm,Take up %

Solid particles

(□fragile, □Not fragile, □Viscous)

Discharge granule μm

Head m

temperature ℃

Remarks:

　Second, your company's requirements for equipment:

　1. Material contact part material

□stainless steel 304，　□stainless steel 316L，　□Duplex steel 2205，　□TA2，　□HastelloyC276

　2, rotating stator material

□stainless steel 304，　□stainless steel 316L，　□Duplex steel 2205，　□TA2，　□Hastelloy C276，

□Wear-resistant steel NM500，　□Wear-resistant steel 38CrMoAl，　□Tungsten carbide treatment,　□Emery treatment

　3, sealed

□Ordinary single-sided mechanical seal,　□Ordinary double-sided mechanical seal,　□Custom double-sided mechanical seal

O-ring configuration

□Ding O-ring,　□Fluoro rubber O-ring,　□Fluorine-containing O-ring,　□Perfluoroether O-ring

Material contact surface

□Tungsten carbide-silicon carbide,　□Tungsten carbide-tungsten carbide,　□Silicon carbide-silicon carbide

　4, the motor

□Ordinary motor,　□Inverter motor,　□Ordinary explosion-proof motor,　□Explosion-proof inverter motor,　□Dust explosion-proof motor

□Class 2 energy efficient motor,　□Marine motor,　□Waterproof motor

□Self-contained control box

□With control box

　Third, the corresponding device model:

Full name of the equipment

Model

Processing capacitym³/h)

Motor Power(kw)

Amount

Remarks

other

Fill in the unit:　　　　　　　　　　Fill in the person:　　　　　　　　　　phone:

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