30L Planetary Vacuum Mixing Machine for High-Viscosity Battery Slurry Preparation

I. Equipment Features

Application Scope

l Applicable for mixing and dispersing powders and liquids of various common batteries, resulting in uniformly mixed battery slurry. Especially suitable for high-viscosity processes.

l Applicable viscosity range: ≤1,200,000 cP

II. Main Equipment Parameters

Lower Barrel Component

l Design Volume: 45L

l Effective Volume: 15–30L

l Inner Diameter: 400mm

l Inner Depth: 360mm

l Material: 304 stainless steel for all contact parts

l Jacket Type: Single-layer jacket on barrel wall and bottom, for cooling or heating

l Jacket Interface: G1/2", with quick-release couplings, pressure ≤0.4 MPa

l Jacket Circulation: Supplied by customer; recommended inlet temperature ≤8°C, flow >15L/min

l Discharge Method: G1" three-piece ball valve at barrel bottom

l Design Ambient Temperature: -10 to +120°C

l Mobility: Mounted on casters

Stirring Component

l Working Frequency: 5–50 Hz

l Stirring Power: 4 kW

l Paddle Speed: 6–64 rpm

l Planetary Speed: 4–42 rpm

l Paddle Diameter: 218mm

l Paddle Type: Spiral twist type, precision cast and machined to ensure 90° helical angle

l Paddle Material: 304 stainless steel (304SS)

l Linear Speed: 0.08–0.84 m/s

l Number of Paddles: 2

l Paddle Clearance (Between Paddles): 7±2mm

l Paddle Clearance (To Wall): 4±1mm

l Paddle Clearance (To Bottom): 3±1mm

Dispersing Component

l Working Frequency: 5–50 Hz

l Dispersing Power: 5.5 kW

l Dispersing Speed: 402–4020 rpm

l Disc Diameter: 11cm

l Disc Type: Serrated

l Disc Material: 304 SS

l Linear Speed: 2.3–23 m/s

l Number of Discs: 2

l Number of Shafts: 1

Scraper Component

l Scraper Frame Material: 304 SS

l Scraper Blade Material: PTFE (Teflon)

l Scraping Speed: Matches planetary speed

l Removable Design: Yes (scraper must be removed for high-viscosity processing)

Base and Lifting Assembly

l Material: High-rigidity structural carbon steel

l Lifting Method: Electric

l Guiding Method: High-precision linear guide rail

l Lifting Stroke: ≤500mm

Upper Barrel Component

l Material: 304 stainless steel

l Powder Feeding Port: DN75 with sight glass, quick-clamp – 1 unit

l Liquid Feeding Port: Shared with powder port

l Spotlight Port: DN75 tempered glass sight glass – 1 unit

l Vacuum Port: G3/4" female thread – 1 unit

l Exhaust Port: G1/2" female thread – 1 unit

l Vacuum Gauge Port: M14×1.5 female metric thread – 1 unit

Control System

l Electrical Cabinet: For inverter and other low-voltage devices

l Manual Control Panel: For buttons, knobs, meters

l Power Supply: AC 3×380V±5%, 50Hz

l Control Method: Electric + hydraulic control

l Drive & Speed Control: Inverter-based

l Cooling Method: Air and liquid cooling

l Operation: Button + knob control on cabinet panel

l Digital Temp Display: Material temperature

l Emergency Stop: 1 unit

l Alarm System: Over-temperature alarm, auto shutdown, alarm mute

l Speed Display: Meter display on panel

l Power Indicator: 1 unit

l Timer: 1 unit, controls stirring and dispersion

l Note: When HMI system is selected, control functions are integrated into the touchscreen

Safety Interlock System

l Emergency Stop: Pressing the button stops all functions immediately

l Low-Speed Stirring Start: Barrel can be lifted while stirring

l High-Speed Dispersion: Only allowed when barrel is fully lifted

l Operation Lock: Barrel cannot be lowered or opened during mixing

l Vacuum Backflow Prevention: Special buffer tank prevents pump oil backflow

l Fault Stop: Inverter has built-in protection against overload, overcurrent, overvoltage, leakage, and phase failure

l Barrel Lifting: Only possible after barrel is in place

l Vacuum Not Released: Barrel cannot descend until vacuum is released

l Dispersion Interlock: Only starts after barrel is fully lifted

l Locking Mechanism: Safety system prevents abnormal descent of barrel during operation

l Dry Mixing Mode: Paddle rotates during barrel lifting

Other Notes

l Temperature Sensor: Pt100

l Measurement Method: Sensor mounted on barrel wall

l Bearings: High-speed – imported; low-speed – domestic

l Oil Seals: O-rings for static sealing, mechanical seals for dynamic sealing (domestic)

l Lubricating Grease: Domestic brand

l Seal Oil: Imported

l Hydraulic Cylinder & Station: Domestic brand

l Valves: Domestic brand

l Vacuum Requirement: Customer to provide, evacuation rate 4L/S (2X-4)

l Vacuum Holding: -0.098 MPa; pressure > -0.085 MPa after 24 hours without leakage

l Total Power: >9.5 kW

l Weight: Approx. 1400 kg

l Machine Dimensions: L1769mm × W1015mm × H1697mm

l Color: Off-white

l Floor Load Requirement: 1000 kg/m²

III. List of Spare & Wear Parts

IV. Supporting Conditions