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Ultra-fine liquid atomization device for spray drying

A liquid atomization and liquid technology, which is applied in the direction of liquid injection devices, injection devices, etc., can solve the problems of uneven droplet, low production capacity, and difficulty in achieving ultra-fine atomization, and achieve large atomization angle and fine atomization particle effect

Pending Publication Date: 2020-11-27
江苏龙鑫智能干燥科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The air flow nozzle used in the existing spray dryer adopts a double-tube structure, the inside is liquid, and the outside is compressed air. Achieve the effect of ultra-fine atomization, and the production capacity is low

Method used

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  • Ultra-fine liquid atomization device for spray drying
  • Ultra-fine liquid atomization device for spray drying
  • Ultra-fine liquid atomization device for spray drying

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Embodiment 1: An ultrafine liquid atomization device for spray drying, comprising a compressed air jacket 1, a compressed air tube 2 is arranged on the upper end of the compressed air jacket 1, a material liquid jacket 3 is arranged inside the compressed air jacket 1, and the upper end of the feed liquid jacket 3 A feed liquid inlet pipe 4 is provided, a compressed air rotation device 5 is arranged between the feed liquid jacket 3 and the compressed air jacket 1, a liquid rotation device 6 is arranged inside the feed liquid jacket 3, and a liquid ejection device is arranged at the lower end of the feed liquid jacket 3 7.

[0031] The compressed air rotating device 5 is a compressed air rotating riser 8. The interior of the compressed air rotating riser 8 is a cylinder with a closed lower end. There are several air injection ports 9 on the side wall of the compressed air rotating riser 8. The compressed air rotating riser 8 The lower end of 8 is provided with an air ejec...

Embodiment 2

[0038] Embodiment 2: An ultrafine liquid atomization device for spray drying, comprising a compressed air jacket 1, a compressed air tube 2 is arranged on the upper end of the compressed air jacket 1, a material liquid jacket 3 is arranged inside the compressed air jacket 1, and the upper end of the feed liquid jacket 3 A feed liquid inlet pipe 4 is provided, a compressed air rotation device 5 is arranged between the feed liquid jacket 3 and the compressed air jacket 1, a liquid rotation device 6 is arranged inside the feed liquid jacket 3, and a liquid ejection device is arranged at the lower end of the feed liquid jacket 3 7.

[0039] The compressed air rotating device 5 is a compressed air rotating riser 8. The interior of the compressed air rotating riser 8 is a cylinder with a closed lower end. There are several air injection ports 9 on the side wall of the compressed air rotating riser 8. The compressed air rotating riser 8 The lower end of 8 is provided with an air ejecti...

Embodiment 3

[0046] Embodiment 3: An ultrafine liquid atomization device for spray drying, comprising a compressed air jacket 1, a compressed air tube 2 is arranged on the upper end of the compressed air jacket 1, a material liquid jacket 3 is arranged inside the compressed air jacket 1, and the upper end of the feed liquid jacket 3 A feed liquid inlet pipe 4 is provided, a compressed air rotation device 5 is arranged between the feed liquid jacket 3 and the compressed air jacket 1, a liquid rotation device 6 is arranged inside the feed liquid jacket 3, and a liquid ejection device is arranged at the lower end of the feed liquid jacket 3 7.

[0047] The compressed air rotating device 5 is a compressed air rotating riser 8. The interior of the compressed air rotating riser 8 is a cylinder with a closed lower end. There are several air injection ports 9 on the side wall of the compressed air rotating riser 8. The compressed air rotating riser 8 The lower end of 8 is provided with an air ejec...

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Abstract

The invention discloses an ultra-fine liquid atomization device for spray drying. The ultra-fine liquid atomization device for spray drying comprises a compressed air outer sleeve. A compressed air pipe is arranged at the upper end of the compressed air outer sleeve, a material liquid outer sleeve is arranged in the compressed air outer sleeve, and a material liquid inlet pipe is arranged at the upper end of the material liquid outer sleeve. A compressed air rotating device is arranged between the material liquid outer sleeve and the compressed air outer sleeve, a liquid rotating device is arranged inside the material liquid outer sleeve, and a liquid spraying device is arranged at the lower end of the interior of the material liquid outer sleeve. According to the ultra-fine liquid atomization device for spray drying, liquid is atomized for the first time to form liquid droplets through a material liquid channel nozzle, then a liquid droplet group is atomized for the second time through the rotating compressed air, finer droplets and the higher yield can be obtained, and the production capacity of the ultra-fine liquid atomization device is ten times that of a conventional mode under the condition that the same droplet size is obtained.

Description

technical field [0001] The invention relates to the technical field of liquid atomization, in particular to an ultrafine liquid atomization device for spray drying. Background technique [0002] Atomization is the act of dispersing a liquid into tiny droplets through a nozzle or with a high-velocity air stream. The spray dryer is a device that can complete drying and granulation at the same time. According to the process requirements, the pressure, flow rate, and size of the nozzle hole of the feed liquid pump can be adjusted to obtain the required spherical particles in a certain size ratio. The spray dryer is A type of continuous atmospheric pressure dryer, which uses special equipment to spray the liquid material into a mist, and makes it dry in contact with hot air. It is used to dry some heat-sensitive liquids, suspensions and viscous liquids, and is also used to dry fuels, intermediates, soap powders and inorganic salts, etc., generally including electric blast drying...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B05B7/08B05B7/10
CPCB05B7/0823B05B7/10
Inventor 包勋耀刘伟娇
Owner 江苏龙鑫智能干燥科技有限公司