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Solid rotary target driven by cooled liquid

A technology for cooling liquids and cooling liquids, which is applied in the cooling of instruments, targets for generating nuclear reactions, and parts of instruments, etc., can solve the problems of short service life of liquid mercury flowing targets and unbearable solid fixed targets, and achieves structural Simple, high neutron yield, small size effect

Inactive Publication Date: 2006-02-08
INST OF PHYSICS - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the problem that the solid fixed target cannot withstand the bombardment of super-power high-energy protons and the service life of the liquid mercury flowing target is very short, the invention provides a solid rotating target driven by cooling liquid

Method used

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  • Solid rotary target driven by cooled liquid
  • Solid rotary target driven by cooled liquid
  • Solid rotary target driven by cooled liquid

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Such as figure 1 As shown, a rotating shaft 2 is installed on the axis of the disc target 1, and the rotating shaft 2 is fixed in the stainless steel housing 4 through bearings 31, 32. The cooling liquid inlet pipe 5 is welded on the upper panel of the stainless steel housing 4, and the cooling liquid outlet pipe 6 is welded on the lower panel of the stainless steel housing 4, and the sector guide 7 is fixed in the housing 4 by nuts 8. Such as Figure 5 , Image 6 As shown, there are 16 slits in the fan-shaped guide 7 having the same length, width and distribution as the slits on the disk target 1 . Such as image 3 , Figure 4 As shown, there are 45 spirally distributed slits on the upper and lower plates of the disc target 1, the length of each slit is 100 mm, and the width is 2 mm. The included angle with the corresponding diameter of the slit on the disc target is 15°. The angle between the inclined surface of the gap on the upper disk of the disk target 1 and...

Embodiment 2

[0029] Such as figure 2 , Figure 7 , Figure 8 As shown, the cylindrical guide 9 is fixed in the inlet pipe 5, and there are 6 slits with the same width as the slits on the disc target 1, which are evenly distributed in the cylindrical guide 9 and are aligned with the original disc target 1. The inclined surface of the slit is suitable; the rest of the structure is the same as that in Embodiment 1.

Embodiment 3

[0031] The coolant inlet pipe 5 is obliquely welded on the upper plate of the stainless steel housing 4, and its inclination angle is 30°, which is suitable for the gap on the disc target 1, thus eliminating the need for a guide, and the rest of the structure is the same as that of Embodiment 1. same.

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Abstract

The rotating target driven by cooling fluid consists of a case and a target body. The entrance and outlet for cooling fluid are set in the case, the target body is mounted in the case and can rotate in the case, several gags that are distributed like twist form around the target body and is adaptable with the direction of cooling fluid input. The gaps extend aslant along depth direction of target body to form a inclination plane that has proper included angle with the rotation axis of the target body. The angle between the above gaps at section of depth direction of target body and its diameter is 10 deg-60 deg.

Description

technical field [0001] The invention relates to a target device bombarded by ultra-high-power high-energy particles, and is especially suitable for a target device for ultra-high-power spallation neutron sources. Background technique [0002] At present, the target body of the spallation neutron source with the power below 160 kilowatts adopts a liquid-cooled fixed solid sheet target structure. The target body is stationary, and there is a water tank between the cuboid sheet-shaped targets to allow cooling liquid to circulate. The high heat generated by the high-energy proton bombardment of the proton accelerator on the target is taken away by the cooling liquid. The target material is generally tungsten, tantalum, lead. The cooling liquid is heavy water. The advantages of this target are high neutron output rate, small size and simple structure. Its disadvantage is that it cannot withstand the bombardment of super-power high-energy protons above 400 kilowatts. [0003] ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H05H6/00G12B15/02
Inventor 严启伟刘孟禹赵德启俞伯良沈仲毅
Owner INST OF PHYSICS - CHINESE ACAD OF SCI