Melting tank with heating type fan blade mechanism for chemical fertilizer production

Abstract

The invention relates to the technical field of chemical fertilizer production equipment, in particular to a melting tank with a heating type fan blade mechanism for chemical fertilizer production. A steam source of water vapor introduces the water vapor into a pipe inner hole of a fan blade main shaft through a rotary joint, the water vapor passes through a fan blade cavity, a water return longitudinal pipe, a water return annular pipe and a rotary water return pipe in sequence, and the water vapor is discharged from a second end of the rotary water return pipe and is discharged out of a tank body through an overflow pipe; or the water vapor is condensed into liquid water which is discharged from the second end of the rotary water return pipe and then drips into the annular water tank, and the liquid water in the annular water tank is discharged out of the tank body through the overflow pipe; the water vapor heats the fan blade main shaft, the fan blades and the water return longitudinal pipe, and the fan blade main shaft, the fan blades and the water return longitudinal pipe heat the slurry. The fan blades also serve as heaters, slurry flowing is prevented from being hindered, slurry close to the inner wall of the melting tank is prevented from being solidified into solids, the slurry flowability is improved, and the heat exchange effect is improved.

Description

Technical field [0001] The present invention relates to a technical field fertilizer production equipment, to a certain proportion bloom mixed into a high temperature molten mixture "of urea, potassium sulfate, potassium dihydrogen phosphate, trace elements and humic mineral" melting pot, in particular to a fertilizer production type melting tank with a heating blade means. Background technique [0002] Requires the use of a molten fertilizer plant pot, which bloom slurry, slurry refers to a mixture of urea, potassium sulfate, potassium dihydrogen phosphate, trace elements and humic mineral formed by a certain proportion in the molten state at a high temperature, the slurry melting at above 100 ℃ is a semi-fluid, at 60 ℃ condensed into a solid. [0003] In order to maintain fluidity of the slurry, the melt pot set spiral type heater; the slurry to maintain a high temperature; the slurry to heat evenly, but also provided a blade mechanism, a belt, drive pulley and motor ; fan mean...

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Problems solved by technology

[0004] However, this method of heating and stirring is not very effective. The slurry is semi-fluid, and its fluidity is not as good as that of water. The fan blade stirs the slurry in the space surrounded by the helical heater, and the slurry there cannot Effectively drive the flow of slurry other than the helical tube heater. The helical tube heater has the side effect of hindering the flow of the slurry. If the stirring is not uniform, the heating will be uneven. The slurry near the inner wall of the melting tank is often not obtained. Timely heating, and the wall of the melting tank dissipates more heat outward, which often makes the slurry there solidify into a solid, especially in the cold winter, the solidified layer is relatively thick, which seriously affects the production efficiency

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