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An atomizing disc, a spray drying atomizer and a method for atomizing high-viscosity materials

An atomizing disc and atomizer technology, which is applied in the directions of spray evaporation and liquid droplet granulation, etc., can solve the problems of unsatisfactory atomization effect and wide particle size distribution.

Active Publication Date: 2021-10-08
XIAMEN KINGDOMWAY VI TAMIN INC +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the atomized material is high viscosity (viscosity value 400cp ~ 2250cp) material, these three atomization methods cannot achieve satisfactory atomization effect, and the particle size distribution of the particles obtained by the above three atomization methods is very wide

Method used

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  • An atomizing disc, a spray drying atomizer and a method for atomizing high-viscosity materials
  • An atomizing disc, a spray drying atomizer and a method for atomizing high-viscosity materials
  • An atomizing disc, a spray drying atomizer and a method for atomizing high-viscosity materials

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] The following processes combine Figure 1-2 .

[0030] Weigh 20wt% vitamin A acetate crystals, 10wt% vegetable oil, and 2wt% BHT to prepare an oil phase by dissolving oil; weigh 10wt% white granulated sugar, 38wt% glucose, and 20wt% gelatin plus purified water to prepare an aqueous phase. A stable emulsion was prepared by high-speed shear emulsification and high-pressure homogenization. The viscosity of the emulsion was 400CP. The temperature of the emulsion in the air inlet fluid was 30°C. , the vertical angle of the backflow sheet is 7 degrees, the major diameter of the inverted cone hole is 1mm, and the minor diameter is 100μm) in a spray tower for centrifugal granulation. Then carry out heating and drying with a fixed 70°C hot air fluid in a fixed fluidized bed drier until the moisture content is less than or equal to 5%, cool the material with cold air, and obtain the product.

[0031] The product was tested according to the method shown in Table 1, and the parti...

Embodiment 2

[0034] The following processes combine Figure 1-2 .

[0035] Weigh 20wt% vitamin A acetate crystals, 10wt% vegetable oil, and 2wt% BHT to prepare an oil phase by dissolving oil; weigh 10wt% white granulated sugar, 38wt% glucose, and 20wt% gelatin plus purified water to prepare an aqueous phase. A stable emulsion was prepared by high-speed shear emulsification and high-pressure homogenization. The viscosity of the emulsion was 1500CP. The temperature of the emulsion in the air inlet fluid was 30°C. , the vertical angle of the backflow sheet is 10 degrees, the major diameter of the inverted cone hole is 1 mm, and the minor diameter is 250 μm) in a spray tower for centrifugal granulation. Then carry out heating and drying with a fixed 70°C hot air fluid in a fixed fluidized bed drier until the moisture content is less than or equal to 5%, cool the material with cold air, and obtain the product.

[0036] The product was tested according to the method shown in Table 1, and the p...

Embodiment 3

[0039] The following processes combine Figure 1-2 .

[0040] Weigh 20wt% vitamin A acetate crystals, 10wt% vegetable oil, and 2wt% BHT to prepare an oil phase by dissolving oil; weigh 10wt% white granulated sugar, 38wt% glucose, and 20wt% gelatin plus purified water to prepare an aqueous phase. A stable emulsion was prepared by high-speed shear emulsification and high-pressure homogenization. The viscosity of the emulsion was 2250CP. The temperature of the emulsion in the air inlet fluid was 30°C. , the vertical angle of the backflow sheet is 15 degrees, the major diameter of the inverted cone hole is 1 mm, and the minor diameter is 450 μm) in a spray tower for centrifugal granulation. Then carry out heating and drying with a fixed 70°C hot air fluid in a fixed fluidized bed drier until the moisture content is less than or equal to 5%, cool the material with cold air, and obtain the product.

[0041] The product was tested according to the method shown in Table 1, and the p...

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Abstract

The invention discloses an atomizing disc, a spray drying atomizer and a method for atomizing high-viscosity materials. The atomizing disc is an inverted conical circular platform with a large upper part and a smaller lower part. The circular platform is hollow inside, and the side wall of the atomizing disc has an inverted conical hole. The diameter of the outer end of the atomization disc is small; the included angle between the side wall of the atomization disc and the upper horizontal plane of the circular platform is an acute angle. The invention also provides a spray drying atomizer comprising the atomizing disk, and a method for atomizing high-viscosity materials using the spray drying atomizer. Adopting the equipment and method of the invention not only solves the atomization problem of high-viscosity materials, but also solves the problem of material sticking to walls around the atomizer at the top of the spray tower.

Description

technical field [0001] The invention relates to the field of spray drying, in particular to an atomizing disc, a spray drying atomizer and a method for atomizing high-viscosity materials. Background technique [0002] Microencapsulation technology refers to the technology of embedding solids, liquids or gases in tiny and sealed capsules so that they can be released only under specific conditions. The embedded substances are called core materials, such as vitamin series, packaged The material for microencapsulation of the buried core material is called wall material, such as gelatin, glucose, sucrose, etc. The microencapsulation method is divided into chemical method, physical chemical method and physical method, which can be selected according to the needs. The spray drying method is the most commonly used and cheapest microencapsulation method at present. The preparation process is as follows: firstly, the core material is dispersed in the liquefied wall material In, calle...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D1/20B01D1/18B01J2/04
CPCB01D1/18B01D1/20B01J2/04
Inventor 黄聿魏叶艳秋肖亮施胤杭
Owner XIAMEN KINGDOMWAY VI TAMIN INC
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