High-tower granulation slow release long-effect chlorine base compound fertilizer and preparation method thereof
A high-tower granulation and compound fertilizer technology, which is applied in the direction of fertilizer mixture, fertilization equipment, application, etc., can solve the problems of unseen literature reports, fertilizer efficiency decomposition loss blocks, atmospheric environmental pollution, etc., and achieve benefits to the soil, atmosphere and Water environment protection, avoiding adverse effects, and uniform nutrient distribution
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Embodiment 1
[0073] Embodiment 1 Prepare the high-tower granulation slow-release long-acting chlorine-based compound fertilizer of the present invention according to the following steps
[0074] Step 1. Preparation of high-tower granulated urea compound fertilizer granules
[0075] a. Urea melting
[0076] Accurately weigh 40 parts by weight of urea, put it into a melting tank, heat it to 125°C-138°C, and prepare for primary mixing;
[0077] b. Potassium chloride, ammonium chloride preheating
[0078] Accurately weigh 40 parts by weight of potassium chloride and 20 parts by weight of ammonium chloride, put them into a primary mixing tank, preheat to 40°C to 60°C, and set aside;
[0079] c. Low-temperature eutectic preparation
[0080] Send the molten urea prepared in step a into the first-level mixing tank, mix it with the preheated potassium chloride and ammonium chloride in step b, and then put it into the second-level mixing tank, and mix it evenly. The slurry mixing time is less tha...
Embodiment 2~ Embodiment 7
[0094] According to the method and steps of Example 1, according to the formula in Table 1, the high-tower granulation slow-release long-acting chlorine-based compound fertilizer of the present invention is prepared
[0095] Table 1
[0096] raw material
[0097] The high-tower granulation slow-release long-acting chlorine-based compound fertilizer that embodiment 1~embodiment 7 makes is all applicable to wheat, corn, paddy rice field crop and vegetable and fruit tree application, improves fertilizer utilization rate 10%-23% on average, to The average yield of crops is increased by 6.5%-13.3%, and the average yield of vegetables is increased by 11%-27.5%.
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