Rotary plate-type fluidization coating equipment

A turntable, coating technology, applied in the direction of powder suspension granulation, etc., can solve the problem that the coating quality cannot be guaranteed, reduce the probability of spray sticking to the nozzle of the spray gun and the wall of the coating warehouse, and improve the utilization rate. rate, wide range of effects

Inactive Publication Date: 2011-06-29
SHENYANG INST OF APPL ECOLOGY CHINESE ACAD OF SCI
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Problems solved by technology

[0003] The technical problem to be solved by the present invention is to overcome the problem that the existing coating equipment is only suitable for coating liquid with low concentration and low viscosity. When the concentration of coating liquid is high and the viscosity of the solution increases, the quality of the coating cannot be guaranteed

Method used

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  • Rotary plate-type fluidization coating equipment
  • Rotary plate-type fluidization coating equipment
  • Rotary plate-type fluidization coating equipment

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Embodiment Construction

[0035]The present invention starts from ensuring the smooth flow of the pipeline of the whole set of equipment and increasing the fluidizing wind power, increasing the effective air inlet area of ​​the air inlet of the heating equipment, increasing the aperture of the filter in the fluidized bed, and making the fluidizing effect of the particles in the fluidized state more obvious. Secondly, add axial strips on the wall of the fluidized bed to increase the impact on the fluidized particles and open the cohesive particles, and then add radial strips on the surface of the turntable to increase the driving force of the turntable on the particles, so that Particles rotate more fully. The intersection angle between the nozzle and the wall of the coating chamber is also optimized, so that the coating liquid is not easy to stick to the wall of the cylinder, and the waste of the coating liquid is reduced. Sharpens the structure at the spray gun tip, thereby reducing the chance of part...

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Abstract

The invention relates to rotary plate-type fluidization coating equipment which is characterized in that: the effective air intake area of a heat source air inlet of the fluidization coating equipment is increased, so that the intensity of a fluidizing air flow of the fluidization coating equipment is increased; and the driving force of a rotary plate on coated particles is enhanced and simultaneously the impact force of a wall of a coating chamber on the coated particles is enhanced, so as to reduce the adhesion between the coated particles, as a result, although the viscosity of a coating liquid is high, the coating quality of the coated particles is guaranteed. The adaptation of the fluidization coating equipment to the coating liquids with different performances can be maximally improved; and the coatings of the coated particles are intact and have good slow release properties, which can effectively increase the coating efficiency.

Description

technical field [0001] The invention relates to equipment for the coating and drying process of granular materials in the fields of pharmacy, food, agriculture and the like; in particular, the coating is performed on conditions such as high viscosity of the coating liquid and easy adhesion between coated particles. Background technique [0002] Ordinary fluidized coating equipment is generally designed to coat particles such as drugs. Due to the high added value of drugs, when the viscosity of the coating liquid is high, the methods of diluting the coating liquid and prolonging the spraying time can be used to reduce the particles. Between the adhesion, to ensure product quality. For coated fertilizers in the agricultural field, this will greatly increase the production cost of fertilizers and lose practical application value. The invention has a wide range of applications, is suitable for coating with various viscosities of coating liquids, and has high coating efficiency. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J2/16
Inventor 武志杰刘兴斌陈利军
Owner SHENYANG INST OF APPL ECOLOGY CHINESE ACAD OF SCI
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