Urea-based compound fertilizer not containing filling material
A technology of urea-based compound fertilizer and urea, which is applied in the direction of urea compound fertilizer, fertilizer mixture, nitrogen fertilizer, etc. It can solve the problems of poor appearance quality and poor water solubility, and achieve the effect of qualified product quality, good water solubility and simple processing technology
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[0012] Take 250 kg of urea with 46% N, 3730 kg of ammonium chloride with 23.5% N and P 2 O 5 58% monoammonium phosphate 3750 kg, containing K 2 O 60% potassium chloride 2420 kg, N content 17% ammonium bicarbonate 500 kg, put into the mixer and mix well, then enter the granulator to granulate. The process index control for the production of this urea-based compound fertilizer: 1. When feeding the table: 20 tons / hour; 2. The working air volume of the drying induced draft fan is more than 45,000 cubic meters / hour; 3. The inlet temperature of the dryer is 180-240℃ , To ensure that the tail temperature of the dryer is above 63℃; 4. The steam pressure into the granulator is above 1.0MPa.
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