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System for preparing gel bead

A gel ball and gel technology, which is applied in the preparation of microspheres, microcapsule preparations, and the reduction of greenhouse gases, can solve the problems of inconvenient container processing and on-site operation, limited space for storing gel balls, and increased infrastructure costs. Effects of reduced deformation, reduced stress, and easy handling

Active Publication Date: 2008-02-27
TSINGHUA UNIV
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Due to the limited space for storing gel balls, almost every batch of materials has to release the balls and replenish the ammonia water, resulting in interruption of work and seriously affecting production efficiency
[0008] For the problem of gel ball defect caused by insufficient gel caused by too short gel column, the goal can be achieved by increasing the length of the liquid column. For example, the gel column used in the gel equipment used by the German Chemical Research Institute is as high as 5-6m , the operation must be realized by erecting a platform in the middle, which not only brings inconvenience to the processing and on-site operation of the container, but also puts forward higher requirements for the plant and increases the cost of infrastructure

Method used

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  • System for preparing gel bead

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Embodiment Construction

[0023] The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0024] It can be seen from Figure 1 that the whole set of gel ball preparation equipment includes two parts: a vibration dispersion system and a gel system. The vibration dispersion system includes a signal controller 1 , a vibrator 2 and a nozzle 3 . The signal generated by the signal controller 1 is transmitted to the vibrator 2, and the nozzle 3 is driven to vibrate according to the input amplified signal.

[0025] The gel system includes an ammonia gas distribution ring 4, a gel column 5, a liquid tank 9, a buffer column 16, and a ball storage tank 11, wherein the ammonia gas distribution ring 4 is independent from the gel column 5, and the ammonia gas distribution ring 4 is located in the condensation Above the gel column 5, the lower end of the gel column 5 is connected to the upper side of the liquid tank 9 through a v...

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Abstract

The invention relates to a system for preparing gel ball, belonging to the technique that preparing ceramic gel ball. Said system comprises two parts as vibration dispersion system and gel system. Wherein, the vibration dispersion system comprises a signal controller 1, a vibrator 2, and an ejector; the gel system comprises a ammonia distributing ring 4, a gel post 5, a liquid groove 9, a baffle post 16, and a ball storage pot 11. The liquid of gel via cycle pump 14 can be cycled between the gel post 5, the liquid groove 9, and the baffle post 16; the sol via the ammonia distributing ring 4 is gelled into gel ball in the gel post 5; and the gel ball will flow into liquid groove 9 with liquid. Said system can confirm full gelling on the sol ball and reduce the pressure between gel balls, to avoid the distribution of flowing medium liquid on the liquid level. And it has simple operation and the application for continuous operation.

Description

technical field [0001] The invention relates to a system for dispersing liquid sol into balls and gelling the sol balls when preparing ceramic microspheres by a sol-gel method, in particular to a system for preparing oxide ceramic microspheres, which belongs to the preparation of ceramic gel balls device technology field. Background technique [0002] Oxide ceramic microspheres, especially those with a size of 0.1-3mm, are widely used in many fields due to their excellent performance. Such as ZrO 2 、Al 2 o 3 , ZrO 2 ·SiO2 2 Ceramic balls as fine abrasive or catalyst support, UO 2 , PuO 2 , ThO 2 Ceramic microspheres are used as nuclear reactor fuel, etc. However, the currently used methods such as pressure molding and pelletizing are difficult to achieve the expected indicators, such as a large difference between the density and the theoretical density, uneven ball size distribution, uneven composition, and poor sphericity. Various oxide ceramic microspheres prepar...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01J13/04B01J2/02C04B35/624G21C3/62
CPCY02E30/38Y02E30/30
Inventor 符晓铭卢振明梁彤祥倪晓军唐春和郭文利
Owner TSINGHUA UNIV
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