Vertical Colloid Mill

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Introduction

The vertical colloid mill is a wet ultra-fine grinding device primarily used for homogenizing, emulsifying, and grinding materials. Except for the motor and some components, all parts in contact with the material are made of stainless steel (such as 304/316L) to ensure corrosion resistance and cleanliness.

Wanzhi Machinery’s vertical colloid mill features a compact overall structure, small dimensions, lightweight design, reliable sealing performance, and the ability to support continuous operation for extended periods, making it suitable for use in laboratories or small-scale industrial settings.

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Working Principle

Materials enter the grinding chamber through the feed hopper and are subjected to intense shearing, compression, grinding, and impact in the narrow gap (typically 0.01–1 mm) between the high-speed rotating moving grinding disc (rotor) and the stationary grinding disc (stator), causing particles to break, emulsify, or homogenize. After one or more cycles, the materials reach the desired fineness and are discharged through the outlet.

Technical Parameters

Model	Capacity(t/h)	Emulsification Fineness(um)	Power（kw）	Motor speed（rmp）	Voltage（V）	Overall dimensions（LWH/mm）	Weight（kg）
JML-50	0.01-0.3	2-50	1.1	2825	220V or 380V /50Hz	420280720	50
JML-65	0.2-0.5	2-50	1.5	2825	220V or 380V /50Hz	450300800	65
JML-80	0.3-1	2-50	3	2880	220V or 380V /50Hz	420280720	100
JML-100	0.5-2	2-50	5.5	2900	220V or 380V /50Hz	420280720	150
JML-120	0.7-3	2-50	7.5	2900	220V or 380V /50Hz	420280720	160

Structural Components/Functions

Vertical Colloid Mill Structural Components

Base, motor, cooling channel, sealing assembly, self-circulating system, handle, adjustment disc, cooling water pipe connector, feed hopper, rotating blade, moving grinding disc, positioning screw, stationary grinding disc, main shaft bearing.

Functions of Each Structural Component

Base: Supports the entire machine, reduces vibration, and ensures stability.
Motor: Provides grinding power.
Main shaft bearing: Supports high-speed rotation of the main shaft and reduces friction.
Moving Grinding Disc: Rotates at high speed to generate shear force and crush the material.
Stationary Grinding Disc: Forms a shear gap with the moving grinding disc and is fixed to the machine body.
Rotating Blade: Pre-cuts large particles to prevent blockages.
Adjustment Disc: Precisely controls the gap between the moving and stationary grinding discs.
Positioning Screw: Secures the adjusted grinding disc position to prevent displacement.
Handle: Manual component for adjusting the gap.
Sealing Assembly: Prevents material leakage and maintains pressure.
Cooling Channel: Lowers the grinding chamber temperature to protect heat-sensitive materials.
Cooling Water Pipe Connector: Connects to an external cooling water system.

Applications

Food industry: jam, bean paste, sesame paste, tomato sauce, chili sauce, peanut butter, mustard, chocolate, etc.
Pharmaceutical industry: ointments, injections, oral solutions, injections, syrups, emulsions, homogenization, etc.
Chemical industry: adhesives; grinding and dispersion of coatings; refinement of creams, lotions, serums, mask pastes, etc.

Vertical Colloid Mill Disassembly Steps

Unscrew the funnel counterclockwise.
Rotate the grinding disc handle counterclockwise to loosen the stationary grinding disc.
Pull the stationary grinding disc upward.
Unscrew the V-shaped feed blade counterclockwise.
Use screws to secure and pull out the moving grinding disc.
Installation method: reverse the disassembly steps in the opposite order.