Analysis of Organic Fertilizer Drying Equipment

 The organic fertilizer dryer equipment can directly dry poultry manure with a moisture content of 70%-80% to a safe storage moisture of 13%. The whole process is carried out in a closed system, thereby reducing environmental pollution during the drying process. The equipment is mainly composed of heat source, feeder, feeder, rotary drum, discharging machine, material crushing device, induced draft fan, unloader and power distribution cabinet; after the dewatered wet material is added to the drying machine, it is evenly distributed in the drum When the cloth copying device is turned, the materials are evenly dispersed in the dryer and contact with the hot air stream, which speeds up the heat and mass transfer of the drying. In the drying process, under the action of the inclined board and the hot temperament, the material is discharged to the star-shaped discharge valve in the other section of the dryer to discharge the finished product.

Features of organic fertilizer drum dryer

l The drum drying has a high degree of mechanization, a large production capacity, and continuous operation.

l The structure is excellent and simple, the material runs smoothly through the simplified resistance, and the operation is convenient.

l Fewer failures, low maintenance costs, and low power consumption.

l Wide application range and good uniformity of product drying.

l The purpose of sterilization and deodorization can be achieved while drying.

Organic fertilizer drying equipment is divided into three types: single drum dryer, double drum dryer and multi-drum dryer. Among them, the double-drum dryer can be divided into double-drum and counter-drum according to the rotation direction of the two drums and the feeding method.

The drum is driven by a speed reduction device equipped with a speed change mechanism. Except for special circumstances, the speed is mostly in the range of 4 ~ 6r/min. The material to be dried is usually completed within 10~15s from filming to drying and unloading. The heating medium is mostly 2x 105~6x105Pa steam, and its temperature is about 120~150°C. The scraping device consists of a blade, a support frame, a support shaft and a pressure regulator. According to the transmission mode of the top tightening force of the scraper, it is divided into direct scraper type and lever type. The scraper device is generally installed in the first or fourth quadrant of the drum cross-sectional coordinate. According to the length of the drum, the scraper can be composed of single blade and combined blade. The single knife is suitable for dryers with a drum length less than 1500mm, and the combined knife is used for dryers with poor film peeling properties and a larger drum length. The choice of blade material needs to consider its rigidity, wear resistance and corrosion resistance.

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