Double Planetary Mixers: Production & Manufacturing of Pesticide Powders

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Double Planetary Mixers: Production & Manufacturing of Pesticide Powders

Double Planetary Mixer

A double planetary mixer is a type of industrial mixing equipment well-suited for dry blending applications like pesticide powders. As the name implies, it has a unique “planetary” mixing action that provides superior blending results compared to other mixers. In a double planetary mixer, two mixing bowls rotate in opposite directions on their own axis while also revolving around a central stationary shaft. This complex motion breaks up ingredients and forces them into continual collision with each other and the mixing chamber walls.

Details of Double Planetary Mixer

The common agitators include paddle type, twist type, claw type, and frame type.
good mixing, reaction, kneading, and dissolution functions.

Application:

inks, colorants, dyes, coatings, and other industries.

Pesticide powders are an important tool for farmers and agricultural producers to protect crops from harmful insects, weeds, and other pests. However, producing high-quality pesticide powders that are uniform in composition and easily dispersible can be challenging. This is where double planetary mixers provide a valuable solution. By thoroughly blending active and inactive ingredients, double planetary mixers help ensure pesticide powders perform as intended while maintaining strict quality control standards.

The mixing bowls are fitted with mixing tools or blades that scrape material off the bowl surface and fold it back into the mix. This intense shearing and folding action thoroughly blend even very fine or cohesive powders that can be difficult to mix using other methods. Double planetary mixers also offer a high production capacity, typically ranging from 50-5,000 liters, making them an efficient choice for large-scale pesticide manufacturing. Their robust design further allows dry, wet, or heat-treated mixing applications.

Benefits of Pesticide Powder Production

There are several key benefits that make double planetary mixers particularly well-suited for producing high-quality pesticide powders:

– Uniform blending – The intense shearing and folding motion ensures even distribution of active and inactive ingredients throughout the mix. This level of homogeneity is critical for pesticide efficacy and consistent performance.
– Thorough de-lumping – Active ingredients in pesticide powders often come in aggregate form that needs to be broken down into uniform particle sizes. The planetary action efficiently de-lumps these ingredients without destroying their integrity.
– Moisture control – Many pesticide formulations require precise moisture content that double planetary mixers can carefully regulate through temperature and mixing time controls. This prevents caking or other quality issues.
– Continuous production – Large-capacity mixers allow for ongoing, high-volume powder production without interruptions for cleaning or changeovers.
– Sanitary design – Hygienic designs with smooth interior surfaces and sealed motors/bearings keep powders contained and facilities clean for food-grade applications.
– Process automation – Programmable controls enable consistent, repeatable mixing protocols to ensure powder batches meet tight specifications. Data logging supports quality assurance.
– Minimal dusting – Enclosed, vented mixing chambers reduce airborne dust levels versus other equipment, improving worker safety.

Application Example for Insecticide Powder

As a practical example, consider the production of a broad-spectrum insecticide powder containing pyrethroid active ingredients. The formulation includes:

– Pyrethroid A (15% of total weight)
– Pyrethroid B (10%)
– Clay carrier (70%)
– Anti-caking agent (5%)

To begin, the clay carrier is pre-blended and loaded into the double planetary mixer’s main mixing chamber. The mixer is started and the anti-caking agent is slowly fed in through the top inlet while the blades thoroughly fold it into the clay.

Next, the two pyrethroid actives are carefully metered into the mix simultaneously. The intense shearing action of the double planetary mixer quickly breaks up any clumps or aggregates and uniformly distributes the tiny pyrethroid particles throughout the clay matrix.

The mixing cycle continues for a preset time to ensure homogeneity is achieved according to quality specifications. The powder is then discharged through a bottom gate into bulk packaging or intermediate bulk containers for transport. Regular testing verifies the pyrethroid concentrations remain evenly distributed across batches.

Compared to other blending methods, the double planetary mixer achieves the necessary uniformity, moisture control, and production efficiency goals for this insecticide powder in a sanitary, automated process. Its ability to thoroughly yet gently de-lump and disperse even very fine active ingredients makes it the ideal choice.

Double planetary mixers provide pesticide manufacturers with a robust and versatile solution for producing high-quality powders. Their unique planetary motion intimately blends ingredients while preventing degradation. Automated controls further ensure consistent, repeatable quality. As pesticide formulations continue advancing to meet rising efficacy, environmental, and regulatory demands, the double planetary mixer will remain an important technology supporting the development and large-scale production of effective powder products.

As a professional double planetary mixer manufacturer, FRANLI provides a complete set of mature equipment for related machines and production lines for more than 60 countries and thousands of industries in the world, and in Russia, Turkey, Spain, Brazil, Malaysia, Indonesia, and other regions, for Many enterprises have established related production lines.

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Guidelines For Double Planetary Mixer

FRANLI is a professional double planetary mixer manufacturer. Our double planetary mixer is especially suitable for dissolving, mixing, kneading, and reacting from powder to high-viscosity and high-density materials. According to different viscosities and material characteristics, Choose the right stirring paddle, and provide supporting equipment and production lines for double planetary mixers.