How to make NPK liquid fertilizer
Many fertilizer manufacturers want to expand into NPK liquid fertilizer production because of its fast nutrient absorption and wide market demand. To make NPK liquid fertilizer, the production process must ensure full dissolution of nutrients, accurate batching, and stable formulation. The entire process includes raw material selection, automatic dosing, reaction and mixing, additive adjustment, and product filling. Each step requires reliable equipment and proper operation to maintain consistency and efficiency.
What raw materials are suitable for NPK liquid fertilizer?
To prepare high-quality NPK liquid fertilizer, the first step is choosing the right materials. Nitrogen sources such as urea, ammonium nitrate, or ammonium sulfate dissolve easily in water. For phosphorus, phosphoric acid or monoammonium phosphate (MAP) are common choices. Potassium usually comes from potassium chloride (KCl) or potassium sulfate (K₂SO₄). You can select fine powders to ensure fast dissolution and stable mixing. If you plan to improve trace elements, micronutrients like Fe, Zn, Mn, and B can be added through chelation or complexing.
What equipment do you need to make NPK liquid fertilizer?
A complete NPK liquid fertilizer production line includes:automatic batching system for ingredient dosing, reaction and mixing tanks with agitators and temperature control, auxiliary material dosing tanks for additives, filtration units to remove impurities, storage tanks and pumps for intermediate transfer, liquid filling machines for final packaging. For medium or large-scale NPK liquid fertilizer production projects, PLC automatic control and flow meters help monitor each production step, improving accuracy and efficiency.
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Five Steps of NPK Liquid Fertilizer Manufacturing Process
The production of NPK liquid fertilizer includes five practical steps.
Automatic Batching: Первый, you should prepare the raw materials accurately by an automatic batching system. It can ensure the production of the different liquid NPK fertilizer formulations, such as 10-10-10 or 20-5-10. Precision at this stage guarantees consistent nutrient concentration in the final product.
Dissolving and Reaction: Следующий, these raw materials enter the stainless steel reaction tank with controlled temperature and agitation. Here, chemical reactions between acids and bases take place, forming water-soluble NPK compounds. В то же время, proper mixing and pH adjustment prevent sedimentation and crystallization.
Auxiliary Material Addition: After NPK liquid mixing, you can add stabilizers, anti-foaming agents, or microbial additives through auxiliary dosing tanks. These components improve NPK liquid fertilizer stability, biological activity, and storage performance.
Finished Product Storage: After reaction and filtration, the solution is stored in white or stainless steel tanks. You can monitor the liquid level by direct observation or using a level gauge.
Liquid Filling and Packaging: The final product passes through a liquid fertilizer filling machine. It fills drums or bottles automatically with precise volume control. Более того, optional labeling and capping systems help producers deliver ready-to-sell liquid NPK fertilizers.
How to buy a high-quality NPK liquid fertilizer making machine?
When choosing equipment for NPK liquid fertilizer manufacturing, you should focus on material quality, professionalism of design, and after-sales service. Prefer machines made of 304 stainless steel to resist corrosion from acid and alkali materials. Кроме того, you should choose a reliable liquid fertilizer making machine supplier. ЮШУНЬСИНЬ, as a professional liquid fertilizer plant manufacturer, provides turnkey NPK liquid fertilizer production lines from 1000 L/H to 20 T/H. В то же время, we offer full process design, installation guidance, and spare parts support. Welcome to consult!
