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Among the pesticide products processed under this system, we find:<\/span><\/p>\n In the past, these products were supplied in powder form, which posed significant risks of contamination, dirt in handling areas, and inhalation toxicity. The evolution towards liquid formulations has eliminated these drawbacks, enabling the production of concentrated suspensions or flows, which are much safer and more efficient.<\/span><\/p>\n Advantages of liquid pesticide products<\/b>:<\/span><\/p>\n Liquid bases used in formulations<\/b>:<\/span><\/p>\n To carry out the production of these products, Oliver + Batlle offers equipment for all stages of the process:<\/span><\/p>\n Below, we detail each of these stages and the machinery available in our program to ensure maximum efficiency and quality in the production of water-based phytosanitary products.<\/span><\/p>\n <\/p>\n DISPERSION<\/b><\/p>\n The dispersion phase is essential in the production of water-based phytosanitary products as it ensures the homogeneous incorporation of the active ingredient along with the additives and liquid components of the formula.<\/span><\/p>\n Common components in dispersion:<\/b><\/p>\n In some formulations, high-purity silica<\/strong> may be added as a rheological modifier.<\/span><\/p>\n The active ingredient must be incorporated into the liquid medium using a mixer-disperser,<\/strong> which ensures its proper dispersion and prevents the formation of clumps.<\/span><\/p>\n Recommended equipment:<\/b> To perform dispersion, equipment from the DISPERMIX<\/strong> range is primarily used,\u00a0 sized with the required power according to the batch volume:<\/span><\/p>\n Over time, due to the need to improve working conditions, avoid operator exposure to harmful dust, and protect the environment, the use of closed systems such as POLIMIX<\/strong> has been incorporated. These systems, with specific installations for raw material feeding, guarantee a safer and cleaner working environment.<\/span><\/p>\n POLIMIX<\/b> can be:<\/span><\/p>\n Recommended turbines and working conditions:<\/b><\/p>\n Formulation parameters:<\/b><\/p>\n Design and materials of equipment:<\/b> Dispersion tanks should be made of AISI 316 L stainless steel<\/strong> and feature cooling jackets<\/strong>.<\/span><\/p>\n Temperature recommendations:<\/b><\/p>\n Foam control:<\/b> In this type of formulation, foam formation during dispersion is common. If this issue is detected and working with a POLIMIX<\/strong> system, it is recommended to use the vacuum loading system<\/strong>, which minimizes foam generation and improves process efficiency. This aspect should be adjusted according to each product and validated during initial testing.<\/span><\/p>\n <\/p>\n <\/p>\n <\/p>\n GRINDING<\/b><\/p>\n In the grinding phase, the separation of active ingredient particles that were not fully disaggregated during dispersion takes place. Additionally, some active ingredients may undergo a particle fracture process, resulting in smaller particle sizes. This stage is crucial to ensure that phytosanitary\u00a0 products meet regulatory standards and technical specifications, such as CIPAC regulations for pesticide products.<\/span><\/p>\n One of the key objectives in this process is to ensure that 50% of the particles are smaller than 5 microns, and 90% are smaller than 10 microns, guaranteeing the quality and effectiveness of the products.<\/span><\/p>\n Available types of mills:<\/b><\/p>\n Both types of mills are effective for particle disaggregation. While the Supermill generates shear forces within its milling chamber, the Mill-enium combines shear forces and impact, providing better energy transmission and a significant advantage in terms of production capacity.<\/span><\/p>\n Comparison of results in tests:<\/b> In tests carried out with copper oxychloride, both machines showed comparable quality results, but with differences in energy consumption and manufacturing time. The data was as follows:<\/span><\/p>\n This implies an <\/span>energy savings of 77%<\/b> when using the Mill-enium compared to the Supermill. Additionally, in terms of manufacturing time, the <\/span>Mill-enium RS-20<\/b> would process <\/span>1,100 liters in 67 minutes<\/b>, while the <\/span>Supermill EHP-50<\/b> would need <\/span>330 minutes<\/b>, resulting in an <\/span>80% time saving<\/b>.<\/span><\/p>\n Granulometry characteristics of products:<\/b><\/p>\n <\/p>\n Summary of operating parameters for both machines:<\/b><\/p>\n Supermill EHP:<\/strong><\/p>\n Mill-enium RS:<\/strong><\/p>\n Pumping and filtration:<\/b> Between milling and finishing, product pumping through a pumping and filtration group is required. This process should be done with a pneumatic pump and a bag filter. The objective is to remove coarse raw material particles and milling balls, so it is recommended to use a monofilament nylon bag with 50-micron filtration.<\/span><\/p>\n <\/p>\n <\/p>\n <\/p>\n FINISHING OR STORAGE OF PRODUCT<\/b><\/p>\n Once the product has passed through the milling phase, it will be stored in a tank, with the tank capacity determined by the plant’s production volume. It is essential that this tank is equipped with an efficient agitation system to ensure the homogenization of multiple production batches and, if necessary, the addition of additives such as thickeners to adjust the formula.<\/span><\/p>\n The most suitable type of agitation for this process is a mixer equipped with radial axial turbines, with an off-center shaft in the tank. For tanks with capacities exceeding 5,000 liters, it is recommended to install a second radial axial pumping turbine without dispersion hammers, which facilitates the incorporation of prefabricated thickeners.<\/span><\/p>\n Additionally, these tanks should be designed with variable speed, allowing the adjustment of the agitation speed according to the rheological characteristics of the product, ensuring its homogeneity. As in other stages of the process, the parts in contact with the product should be made from AISI 316L stainless steel to avoid contamination.<\/span><\/p>\n <\/p>\n PUMPING AND FILTRATION<\/b><\/p>\n Before proceeding to filling, the product must be pumped using an appropriate pumping system that includes a filter to ensure that the final product delivered to the customer is free of impurities from the manufacturing process.<\/span><\/p>\n\n
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