Pesticide Type Disc Jet Mill

What is a Pesticide Type Disc Jet Mill?

A pesticide type disc jet mill is specialized fluid energy equipment designed for the ultrafine micronization of agrochemical active ingredients (TC), wettable powders (WP), and water-dispersible granules (WDG). By utilizing high-velocity gas streams instead of mechanical grinding media, this mill achieves precise particle size reduction down to the low-micron range. It is the industry standard for processing agrochemicals and fine chemicals where particle uniformity, high bio-efficacy, and thermal stability are essential.

Working Principle of Spiral Disc Jet Milling

The system operates strictly on fluid kinetics and particle-on-particle impact within a flat, cylindrical chamber:

Gas Acceleration: High-pressure compressed air or inert gas enters the grinding chamber through tangential, specially angled jet nozzles.
Vortex Creation: The gas expansion generates a high-speed spiral vortex, accelerating raw pesticide particles to supersonic speed.
Impact & Attrition: Particles collide forcefully with each other at the center of the vortex, shattering into ultrafine powder without mechanical heat generation or wear-induced contamination.
Static Classification: Centrifugal forces push coarser particles to the chamber perimeter for continuous grinding, while drag forces carry sufficiently fine particles through the central discharge port.

Key Structure and Components

Our industrial disc jet mill systems are engineered with optimized flow geometry and wear-resistant liners to ensure continuous operation and zero cross-contamination.

Core ComponentPrimary FunctionVenturi Nozzle & FeederIntroduces raw materials uniformly into the grinding loop using the feed rate pressure differential.Spiral Grinding ChamberShallow disc structure optimized for fluid dynamic vortex generation and high impact kinetic energy.Peripheral Nozzle RingPrecision-machined jets that convert statutory grinding pressure into maximum supersonic gas velocity.Static Jet ClassifierHydrodynamic central discharge zone that continuously segregates particles based on fluid drag and mass.

Key Features and Advantages

Our pesticide type disc jet mill systems are engineered to handle the toughest agrochemical processing challenges. By leveraging advanced fluid dynamics, we deliver ultra-fine grinding performance while keeping your product safe and intact.

Ultrafine Particle Size Micronization

Our jet mill technology uses high-velocity compressed air to drive particle-on-particle collisions, delivering consistent micronization down to the low single-micron range without mechanical wear.

Precise Control: Easily achieve a tight particle size distribution with D90 under 5 microns.
Enhanced Bioavailability: Finer ultrafine powder dramatically improves suspension rates and biological activity in field applications.
No Over-Grinding: Controlled particle size reduction prevents wasted material and maintains consistent quality.

Low Temperature Operation for Heat-Sensitive Agrochemicals

Many active ingredients in pesticides melt or degrade under normal grinding temperatures. The rapid expansion of compressed air inside the grinding chamber creates a continuous cooling effect, making it ideal for heat-sensitive compounds.

Protects Active Ingredients: Prevents thermal degradation of sensitive insecticides and fungicides.
Prevents Caking: Cold operation stops low-melting-point materials from sticking to chamber walls.
Consistent Quality: Maintains the physical and chemical integrity of technical-grade actives.

Explosion-Proof and Inert Gas Loop Systems

Processing combustible agrochemical dust requires top-tier safety. We design closed-loop inert gas spiral jet mills that use nitrogen to eliminate fire and explosion hazards during fine grinding.

Oxygen-Free Environment: Keeps oxygen levels well below critical explosion thresholds.
Gas Conservation: Closed-loop recycling filters and reuses nitrogen to keep operating costs low.
Global Safety Compliance: Built to meet strict international explosion-proof standards.

High Efficiency and Low Contamination

Because there are no moving parts inside the grinding zone, our equipment minimizes wear and eliminates metallic contamination in your fine chemicals.

Purity Guaranteed: Available with alumina, zirconia, or silicon carbide ceramic linings.
Smooth Material Flow: High-speed venturi nozzle feeding ensures high throughput and stable operation.
Easy Maintenance: Quick-disassembly designs allow fast cleaning and rapid product changeovers.

Key FeatureSystem MechanismDirect Benefit for AgrochemicalsCold Fluid EnergyCompressed air expansion coolingPreserves heat-sensitive active ingredientsInert Gas LoopRecirculated nitrogen atmosphereEliminates dust explosion risks safelyNo Moving PartsHigh-speed air collisionsZero metallic contamination & low maintenanceNarrow PSDHigh-efficiency classificationSuperior dispersion and active field performance

Critical Technical Parameters

Getting peak performance from a Pesticide Type Disc Jet Mill depends on mastering key process variables. We engineer our systems to give you total control over operating conditions, ensuring repeatable, batch-to-batch consistency.

parameter/ Model	MQP01	MQP02	MQP03	MQP06	MQP10	MQP15	MQP20	MQP30	MQP40	MQP60
Feeding Size（mm）	<1	<2	<2	<2	<2	<3	<3	<3	<3	<3
Particle size（D97:μm）	8~150	8~150	8~150	8~150	8~150	8~150	8~150	8~150	8~150	8~150
Production Capacity（kg/h)		5-15	5~100	10~200	20~400	50~800	150~1500	300~2000	150~1500	300~2000
Air consumption（m³/min）	1	2.5	3	6	10	15	20	30	40	60
Air pressure（Mpa）	0.7~0.85	0.7~0.85	0.7~0.85	0.7~0.85	0.7~0.85	0.7~0.85	0.7~0.85	0.7~0.85	0.7~0.85	0.7~0.85
Installed power （kw）	7.5	15~20	26~37	30~37	65~85	85~100	120~142	175~200	276~310	402~427