Efficient and rapid drying machine for granulated fertilizer and drying method

Abstract

The invention discloses an efficient and rapid drying machine for a granulated fertilizer and a drying method. The drying machine is structurally characterized in that a heating furnace is arranged at the upper end of a base, wherein a plurality of burners are arranged on the heating furnace, and each burner is connected with a gas pipeline and an air pipeline; a drying roller is arranged in the heating furnace; a feeding hole and a motor are arranged at the left end of the drying roller; the motor controls the drying roller to roll; a discharging hole is formed in the right end of the drying roller; an air outlet pipe is arranged at the upper left end of the heating furnace; an induced draft fan is arranged on the air outlet pipe, and an air outlet of the induced draft fan is connected to the interior of the right end of the drying roller; a roller air outlet pipe is arranged at the left top end of the drying roller; a roller induced draft fan is arranged on the roller air outlet pipe, and an air outlet of the roller induced draft fan is connected to a dust collector; the dust collector is arranged at one side of the drying roller; an air inducing pipe and a three-way air distributing valve are arranged at the outlet end of the dust collector; and the air inducing pipe is connected to the interior of the right end of the drying roller through the three-way air distributing valve. Under the dual drying condition of drying roller wall heating and hot air convection heat exchange, the drying efficiency is improved, hot air is recycled, and the drying machine is efficient, energy-saving and environment-friendly.

Description

technical field [0001] The invention relates to the technical field of drying granular fertilizers, in particular to a high-efficiency and fast drying machine for granular fertilizers and a drying method. Background technique [0002] In the prior art, in order to facilitate the storage of fertilizers, it is necessary to use a hot air stove to dry the fertilizers after granulation, so as to remove the excess moisture of the fertilizers, reduce the moisture to a certain range, prevent the agglomeration of the fertilizers, and at the same time achieve the required granules Strength, to avoid broken granule fertilizer during transportation. Existing fertilizer drying devices include drying drums and fluidized beds, but they are affected by low drying efficiency and high breakage rate of granular fertilizers. Contents of the invention [0003] The main purpose of the present invention is to provide a high-efficiency and fast drying machine and drying method for granular ferti...

AI Technical Summary

Problems solved by technology

Existing fertilizer drying devices include drying drums and fluidized beds, but they are affected by low drying efficiency and high breakage rate of granular fertilizers.

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