Seasoner sponging drying machine group

Abstract

The invention comprises a material feeding device, a drying tower, a No 1 fan, a No 1 heater, a first-level cyclone separator and water-membrane dust remover. A hot air distributor and an atomizer which is arranged at the center of the hot air distributor and is connected with the material feeding device are arranged on the top of the drying tower. An air channel disk with a spiral-case shaped air channel is arranged on the top of the drying tower. The inlet of the air channel disk is connected with the output pipeline of the No1 heater, and the outlet of the spiral-case shaped air channel is connected with the inlet of the hot air distributor. A clamp sleeve is arranged in the internal tower body and near the top of the drying tower. A wall-blowing air channel is a space between the clamp sleeve and the inner side wall of the tower body. An annular clearance between the clamp bottom and the inner wall of the tower body is an air vent, and the air forms the wall-blowing air through the annular clearance. The invention adopts the air channel disk spiral air-feeding and wall-blowing feeding technique of the spiral-case shaped air channel, which not only can enhance drying efficiency but also can provide the wall-blowing air to form an air membrane in the drying tower. The air membrane can isolate powder materials from the tower wall so as to avoid a wall-sticking phenomenon.

Description

technical field [0001] The invention relates to a spray drying equipment. Background technique [0002] Spray drying technology has been widely used in the chemical, pharmaceutical and food industries in the 1990s to dry emulsions, suspensions and viscous liquid materials. At the same time, according to the nature of the material, spray drying can be carried out in the form of pressure spray or centrifugal spray, so as to obtain spherical or fine particle solid products. A general centrifugal spray drying unit includes a drying tower and at least one cyclone separator. Hot air enters the drying tower, and the feed liquid passes through the centrifugal atomizer to form extremely fine mist droplets, which complete heat and mass transfer with the hot air in the drying tower. process, drying into finished products, and the dried products are continuously output from the receiving port at the bottom of the drying tower. The hot and humid gas containing fine particles enters the ...

AI Technical Summary

Problems solved by technology

Both the cone and cylinder of the drying tower are equipped with air brush tubes, and then the air intake pipe is used to blow off the powder sticking to the tower wall through the air brush. Cooling, which brings about an increase in energy consumption, thereby reducing the thermal effect

[0004] Both the drying tower and the cyclone separator of the centrifugal spray drying unit have finished product output. Since the finished product output is scattered, it is difficult to ensure that the environment of each outlet meets the hygienic requirements.

In addition, the temperature of the finished product is high when it leaves the unit, and it needs to be cooled before packaging, which increases the possibility of pollution

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