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Spray granulation fluidized drying system

A fluidized drying and spray granulation technology, applied in the direction of powder suspension granulation, can solve the problems of large overflow of dust particles, inability to granulate, low drying efficiency, etc., to prevent wall sticking, improve heat utilization efficiency, The effect of improving drying efficiency

Inactive Publication Date: 2014-05-28
陆文光
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The disadvantage of the above-mentioned prior art is that the dried droplets of spray granulation must contain binder, otherwise the granulation cannot be done.
[0008] In addition, the drying efficiency of the existing horizontal fluidized bed is low, and the amount of dust particles overflowing is relatively large. How to solve this problem is also a technical problem in this field.

Method used

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  • Spray granulation fluidized drying system
  • Spray granulation fluidized drying system
  • Spray granulation fluidized drying system

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Embodiment Construction

[0038] Below in conjunction with accompanying drawing and embodiment the present invention is described in detail:

[0039] Such as figure 1 , the spray granulation fluidized drying unit of the present embodiment, which includes: a centrifugal spray drying tower 1, the spray drying tower 1 includes a tower top 1.1, a tower body 1.2 and a conical tower bottom 1.3 which are sequentially sealed and connected up and down; An air distribution ring 1.6 connected with the hot air system is provided on the tower top 1.1. The hot air system includes a spray air heat exchanger, and the top air outlet of the spray air heat exchanger is connected to the air inlet of the air distribution ring 1.6 through the electric heater 10 and the first high-temperature high-efficiency filter 9 in sequence. The air inlet at the bottom of the spray air heat exchanger 5 is connected to the air outlet of the spray blower 24 , and the air inlet of the blower 24 is connected to the first primary and medium...

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Abstract

The invention relates to a horizontal type fluidized bed of a spray granulation fluidized drying system. The horizontal type fluidized bed comprises a housing, a fluidized bed plate arranged in the housing, an air distributor for providing hot air from the bottom of the fluidized bed plate, and an air outlet formed in one end at the top of the housing, wherein an electric stirring apparatus and a plurality of dust collecting bags are respectively and sequentially arranged in the housing and above the fluidized bed plate. The stirring apparatus is arranged in the horizontal type fluidized bed, and the horizontal type fluidized bed is suitable for improving the drying efficiency.

Description

[0001] This application is a divisional application, the application number of the original application: 201210114069.8, the name of invention: horizontal fluidized bed for spray granulation fluidized drying system, application date: 2012-4-17. technical field [0002] The invention relates to the technical field of drying equipment, in particular to a spray granulation fluidized drying system. Background technique [0003] Existing spray granulation dryers are widely used in chemical, pharmaceutical, food and other industries for the preparation of tablets, granules, capsules, instant food, beverage granules, slow-release granules, chemical granules, etc. [0004] The process flow of the existing spray granulation dryer is generally: the air enters the bottom of the fluidized bed after being heated by a heater, and passes through the distribution plate to contact with the material to make the material fluidized. The mother liquid and the binder are sent to the atomizing noz...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J2/16
Inventor 陆文光
Owner 陆文光
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