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Bottom spray-type fluidization coating equipment

A fluidization and coating technology, applied to coatings, devices for coating liquid on the surface, special surfaces, etc., can solve problems such as the inability to guarantee the quality of the coating, increase the effective air intake area, increase the airflow intensity, and improve efficiency effect

Inactive Publication Date: 2011-06-29
SHENYANG INST OF APPLIED ECOLOGY - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the problem that the existing coating equipment is only suitable for the coating solution with low concentration and low viscosity, and the quality of the coating cannot be guaranteed when the concentration of the coating solution is high and the viscosity of the solution increases

Method used

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  • Bottom spray-type fluidization coating equipment
  • Bottom spray-type fluidization coating equipment
  • Bottom spray-type fluidization coating equipment

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Embodiment Construction

[0034] Fluidized coating equipment generally has three major parts: heating equipment, coating equipment, and air induction equipment. We start by ensuring the pipeline of the whole set of equipment is smooth, increase the effective air intake area of ​​the air inlet of the heating equipment, and use stainless steel screens with larger apertures in the fluidized bed to effectively increase the wind force in the fluidized equipment and make the fluidized particles The flipping effect is more obvious. Secondly, we have improved the structure of the guide cylinder to make the adjustment of the position of the guide cylinder more convenient. No matter how the position of the guide cylinder is adjusted within a certain range, the coaxiality of the guide cylinder and the coating cylinder can be guaranteed, effectively avoiding the general fluidization trap. It is easy to tilt when adjusting the height of the guide cylinder of the membrane equipment, and it is also easy to maintain t...

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Abstract

The invention relates to bottom spray-type fluidization coating equipment comprising heating equipment, a hydraulic lifting device, a fluidization coating chamber, a solvent volatilization chamber, a solvent collection chamber and induced draft equipment, which are connected in sequence. The effective air intake area of a heat source air inlet of the bottom spray-type fluidization coating equipment is maximized, so that the intensity of a fluidizing air flow inside the fluidization coating equipment is increased; the structure of a fluidization chamber guide cylinder is improved, so as to facilitate the height adjustment of the guide cylinder, ensure the guide cylinder and a fluidization cylinder are in the same direction and provide convenience for repair and maintenance of spray nozzles; and a porous air distribution disc of the coating equipment is formed by combination of two semi-circular porous air distribution plates and the two semi-circular porous air distribution plates can rotate, so that the operation of unloading materials is easy and the coating efficiency and the equipment repair / maintenance efficiency are effectively improved.

Description

technical field [0001] The invention relates to a fluidized coating equipment for granular materials in the fields of pharmacy, food, agriculture, etc.; it can keep the fluidized particles at a high fluidization intensity, which is beneficial to the rapid volatilization of the solvent of the coating liquid to form a film, and has a great impact on the physical properties of the coating liquid. It has a wide range of applications, especially for coatings where the viscosity of the coating liquid is high and the coating particles are easy to stick. Background technique [0002] Ordinary fluidized coating equipment is generally designed to coat granular materials such as pharmaceuticals. Due to the high added value of pharmaceuticals, when the viscosity of the coating solution is high, it can be reduced by diluting the coating solution and prolonging the spraying time. The adhesion between the particles ensures the quality of the product. For the coated fertilizer used in the ...

Claims

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Application Information

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IPC IPC(8): B01J2/30
Inventor 武志杰刘兴斌陈利军
Owner SHENYANG INST OF APPLIED ECOLOGY - CHINESE ACAD OF SCI
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