Potassium nitrate production line manufacturer
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Keywords:
ENGINEERING CASE
Fertilizer
Potash Fertilizer Chemical Industry
Product details
Asia Chemical Engineering Co., Ltd. is one of the most reliable manufacturers and suppliers of Potassium nitrate plants in China. Please rest assured to wholesale cost-efficient Potassium nitrate plants from our factory. Good service and reasonable price are available.
Product Details
Name: Potassium Nitrate Production Line Equipment
Process Logic: Adopt potassium chloride‑ammonium nitrate double‑decomposition process (KCl+NH₄NO₃). Raw materials potassium chloride and ammonium nitrate react under heating to produce potassium nitrate.
Mainstream Product Specifications: Agricultural‑grade potassium nitrate, Industrial‑grade potassium nitrate
Complete Process Route of Potassium Nitrate Production Line
1. Double‑decomposition Reaction Process: Raw materials KCl (potassium chloride) and NH₄NO₃ (ammonium nitrate) are fed into the reactor and heated to obtain mixed solution of KNO₃+NH₄Cl;
2. Cooling Crystallization: The mixed solution is cooled down. The solubility of potassium nitrate drops sharply, precipitating KNO₃ crystals, and the system turns into KNO₃ crystals plus NH₄Cl mother liquor;
3. Centrifugal Separation: Separation is carried out by centrifugal equipment to obtain potassium nitrate crystals and ammonium chloride mother liquor. After drying, potassium nitrate crystals are turned into finished KNO₃ products;
4. Mother Liquor Treatment and Circulation: After ammonium nitrate is supplemented into NH₄Cl mother liquor, it enters the evaporation‑concentration‑cooling‑crystallization process to precipitate mixed crystals of NH₄NO₃/NH₄Cl;
5. By‑product Separation: Secondary centrifugal separation is performed to obtain ammonium chloride crystals, which are dried to produce NH₄Cl by‑products. The separated ammonium nitrate mother liquor is circulated back to the reaction section for reuse.
Process Characteristics of Potassium Nitrate Production Line
1. Potassium chloride‑ammonium nitrate double‑decomposition process realizes separation by solubility difference. Closed‑loop circulation of mother liquor delivers high raw material utilization rate;
2. One set of equipment yields main product potassium nitrate and by‑product ammonium chloride simultaneously;
3. Full‑process mother liquor circulation results in low wastewater discharge;
4. Potassium nitrate is a strong oxidizing agent. The production process requires strict temperature control and prohibition of organic matter mixing, with high explosion‑proof safety requirements;
5. Complete process package supply, equipment supply and EPC turn‑key projects are available.
Main Applications of Potassium Nitrate
1. Agricultural Fertilizer: High‑quality chlorine‑free potassium fertilizer, water‑soluble fertilizer, drip irrigation and foliar fertilizer; for chlorine‑sensitive cash crops such as tobacco, fruits and vegetables, and flowers;
2. Industrial Field: Gunpowder, fireworks, black powder, ceramic glaze, glass decolorization, metal heat treatment, catalysts;
3. Food‑grade: Food preservative (special purification process is required. This double‑decomposition unit generally produces agricultural / industrial‑grade products).
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