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Wet granulation machine

A technology of wet granulator and granulation tower, which is applied in the field of mixing granulation equipment, can solve the problems of high energy consumption and difficult cleaning, achieve good sealing effect, improve efficiency and reduce heat loss

Inactive Publication Date: 2011-09-28
CHANGZHOU YIBU DRYING EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, most of the existing wet granulators have the disadvantages of difficult cleaning and high energy consumption, which have not been effectively solved

Method used

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Examples

Experimental program
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Embodiment 1

[0022] See figure 1 and figure 2 , the present invention has a granulation tower 1, the tower wall of the granulation tower 1 is provided with an insulating layer 14; Mechanism 9, the stirring paddle 3 is connected to the driving motor 6 outside the prilling tower 1 through the shaft 5; , the cross section of the mandrel 51 and the cross section of the inner hole of the sleeve shaft 52 are profiles that cooperate with each other. The mandrel 51 slides up and down in the sleeve shaft 52. The upper end of the mandrel 51 is connected with the stirring paddle 3, and the lower end extends out of the sleeve shaft 52 and the cylinder 7 connection, a sealing ring is provided between the core shaft 51 and the sleeve shaft 52, and a pulley is provided at the lower end of the sleeve shaft 52, and the drive motor 6 transmits power to the sleeve shaft 52 through the pulley, and the sleeve shaft 52 transmits power to the core shaft 51, the core The shaft 51 drives the stirring paddle 3 t...

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PUM

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Abstract

The invention relates to a wet granulation machine, which comprises a granulation tower, a cleaning nozzle disposed inside the granulation tower, a stirring paddle, a granulation knife and a discharging mechanism disposed at the side of the granulation tower, wherein the stirring paddle is connected through shafts with a driving motor outside the granulation tower. The wet granulation machine provided by the invention is characterized in that the shafts are double-sleeve shafts possessing a mandrel fixedly connected with the center of the stirring paddle and a sleeve shaft connected with the driving motor. The mandrel cross section and the cross section of the sleeve shaft bore are profiles fitting with each other. The mandrel slides up and down and is disposed inside the sleeve shaft. The upper end of the mandrel is connected with the stirring paddle and the lower end of the mandrel extends the sleeve shaft which is connected with a cylinder. The bottom of the granulation tower is evenly provided with 2 to 8 cleaning holes. Each cleaning hole is internally provided with a sealing cover and a water inlet pipe, wherein the sealing cover can slide up and down. The lower end of each sealing cover is correspondingly connected with a small cylinder. Since the bottom of the granulation tower is provided with cleaning holes, the cleaning for the granulation operation is realized. The stirring paddle is provided with a vertical paddle, so that most materials on the inner wall of the granulation tower can be scraped off. The discharging mechanism can be rapidly opened and is convenient to clean and novel in design.

Description

technical field [0001] The invention relates to a mixing and granulating equipment, in particular to a wet granulator. Background technique [0002] Granulation is the operation of processing materials in the state of powder, molten liquid, aqueous solution, etc. into granular objects with a certain shape and size. Granulation methods can be divided into three categories: wet granulation, dry granulation, and spray granulation, among which wet granulation is the most widely used. Wet granulation is a method in which a binder is added to the drug powder, and the powder is agglomerated together by the bridging or bonding effect of the binder to prepare granules. The surface of the granules made by the wet method is wet, and has the advantages of good granule quality, beautiful appearance, strong wear resistance, and good compression formability, and is most widely used in the pharmaceutical industry. The wet granulator generally has a granulation tower, which is equipped wit...

Claims

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Application Information

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IPC IPC(8): B01J2/10
Inventor 查国才查文龙但中明
Owner CHANGZHOU YIBU DRYING EQUIP
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