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Method for manufacturing fusion pellet based on microfluid

A fusion target and microfluidic technology, applied in the field of preparation of inertial confinement nuclear fusion pellets, can solve the problems of large consumption of raw materials and cumbersome operation, and achieve the effects of low preparation cost, strong controllability, and controllable wall thickness

Inactive Publication Date: 2014-10-08
SOUTHEAST UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These methods usually require high-precision instruments, often consume a lot of raw materials, and are cumbersome to operate.

Method used

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  • Method for manufacturing fusion pellet based on microfluid
  • Method for manufacturing fusion pellet based on microfluid
  • Method for manufacturing fusion pellet based on microfluid

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Example 1: Preparation method of a polystyrene fusion target pellet with a diameter of 500 μm and a wall thickness of 15 μm

[0028] 1. Preparation of channels:

[0029] ①. Make a small hole on the wall of a Teflon tube with a length of 15 cm and an inner diameter of 500 μm, and insert a pre-ground No. 6 medical needle. Note that the needle should be inserted in the middle of the tube. Entrance;

[0030] ②. One end of the Teflon tube is inserted into a No. 6 needle as the entrance of the cyst wall solution (polystyrene solution);

[0031] ③. Connect the other end of the Teflon tube with the other two 15 cm long Teflon tubes of 500 μm internal diameter with a Peek tee with an internal diameter of 500 μm, and insert a No. 6 needle into one end of one of the Teflon tubes as the mobile phase (polyvinyl alcohol aqueous solution ) entrance.

[0032] 2. Preparation of microemulsion:

[0033] ①. Dissolve 3.5g polystyrene (PS) in a mixed solution of 25ml benzene and 25ml 1,2...

Embodiment 2

[0043] Example 2: Preparation method of a polystyrene fusion target pellet with a diameter of 1000 μm and a wall thickness of 20 μm

[0044] 1. Preparation of channels:

[0045] ①. Use a Peek tee with an inner diameter of 500 μm to connect three Teflon tubes with a length of 15 cm and an inner diameter of 500 μm, and one end of the two tubes is respectively inserted into a No. Ethylene solution) inlet;

[0046] ②. Put a section of Teflon tube with an inner diameter of 1000 μm on the outside of another Teflon tube without a needle tip, and connect two other Teflon tubes with a length of 15 cm and an inner diameter of 1000 μm through a stainless steel tee with an inner diameter of 1000 μm. One end is inserted into a No. 6 needle covered with a Teflon tube with an inner diameter of 500 μm, as the entrance of the mobile phase (polyvinyl alcohol aqueous solution);

[0047] 2. Preparation of microemulsion:

[0048] ①. Dissolve 3.5g polystyrene (PS) in a mixed solution of 25ml ben...

Embodiment 3

[0058] Example 3: Preparation method of foamed phenolic resin (RF / PF) fusion target pellet with a diameter of 500 μm and a wall thickness of 20 μm

[0059] 1. Preparation of channels:

[0060] ①. Make a small hole on the wall of a Teflon tube with a length of 15 cm and an inner diameter of 500 μm, and insert a No. base naphthalene) inlet;

[0061] ②. Insert a No. 6 needle into one end of the Teflon tube as the entrance of the capsule wall solution (phenolic resin solution);

[0062] ③. Connect the other end of the Teflon tube with the other two Teflon tubes with an inner diameter of 500 μm and two other 15 cm long Teflon tubes with an inner diameter of 500 μm, and insert a No. 6 needle into one end of one of the Teflon tubes as the mobile phase (mixed silicone oil) Entrance.

[0063] 2. Preparation of microemulsion:

[0064] ①.Dissolve 5.72g resorcinol in 54ml ultrapure water, add 7.8ml37% formaldehyde solution, 0.028g2.8wt%Na 2 CO 3 The solution was stirred and heated i...

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Abstract

The invention relates to a method for manufacturing a fusion pellet based on a microfluid channel, in particular to a method for manufacturing an inertial confinement nuclear fusion pellet based on a microfluid channel technology. According to the method, dual microemulsion is formed by pellet solutions or a front fusion body in a flowing phase by adopting a microfluid channel network system, the inner diameter and the outer diameter of the dual microemulsion are adjusted in real time through an image collecting and analysis system and a flow control system, and finally a preset size is achieved. Then, hollow micro balls meeting the ICF target requirements are formed through curing and drying based on a liquid drop formwork. According to the manufacturing method, the hollow micro balls which are uniform in size and controllable in ball wall can be manufactured, and the ICF requirements are met. The manufacturing method particularly comprises the first step of manufacturing the microfluid channel, the second step of manufacturing the microemulsion, the third step of obtaining the size of the microemulsion, the fourth step of controlling the inner diameter and the outer diameter of the dual emulsion and the fifth step of manufacturing the fusion pellet.

Description

technical field [0001] The invention relates to a method for preparing an inertial confinement nuclear fusion target pellet based on microfluidic channel technology, and belongs to the technical field of fusion target pellet preparation. Background technique [0002] As energy issues become increasingly prominent, inertial confinement fusion (ICF), as a controllable fusion technology, has received more and more attention. Countries such as Europe, America and Japan are conducting research on inertial confinement fusion. As the carrier of nuclear fusion fuel, the research and development of fusion target with hollow microsphere structure is an important content in ICF research. At present, the preparation techniques of target pellets mainly include: droplet furnace technology, xerogel technology, microencapsulation technology, interfacial polymerization method, etc. These methods usually require high-precision instruments, often consume a lot of raw materials, and are cumbe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G21B1/11G21B1/19
CPCY02E30/10
Inventor 顾忠泽赵祥伟谢卓颖赵远锦朱纪军
Owner SOUTHEAST UNIV
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