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Controllable neutron source mechanism for coal component analysis

A technique for compositional analysis, neutron source, applied in neutron source, material analysis using wave/particle radiation, analyzing materials, etc.

Pending Publication Date: 2020-10-30
SOUTHEAST UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The invention provides a neutron source mechanism with controllable neutron output for the mobile rapid detection device of coal composition, which can solve the problem of rapid detection of incoming coal composition transported by automobiles or trains, that is, before the coal is completely unloaded, no sampling is required, and it can Change multiple measurement points to quickly detect the coal elemental composition and industrial composition indicators to help users judge whether the coal quality meets the technical requirements in time

Method used

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  • Controllable neutron source mechanism for coal component analysis
  • Controllable neutron source mechanism for coal component analysis

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Embodiment Construction

[0028] The present invention will be further described below in conjunction with the accompanying drawings and examples, and the embodiments of the present invention include but not limited to the following examples.

[0029] Such as figure 1 As shown, a controllable neutron source mechanism for coal composition analysis according to the present invention includes a neutron tube assembly, a power supply assembly, a control assembly and a communication assembly. The neutron tube assembly includes a neutron tube 1, a neutron tube sleeve 2, a neutron moderator 3 and a shield 4; the power supply assembly includes a power supply case 6, a storage power module 7, and an ion source power module 8 and accelerator power supply module 9; the control assembly includes a neutron detector 5, a power control unit 10, a neutron tube start-stop module 11, a neutron yield control module 12, a neutron tube fault automatic diagnosis and protection module 13; The communication component includes...

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Abstract

The invention discloses a controllable neutron source mechanism for coal component analysis. The controllable neutron source mechanism comprises a neutron tube assembly, a power supply assembly, a control assembly and a communication assembly; the neutron tube assembly comprises a neutron tube, a neutron tube sleeve, a neutron moderating body and a protective body; the power supply assembly comprises a power supply cabinet, a memory power supply module, an ion source power supply module and an accelerating pole power supply module; the control assembly comprises a neutron detector, a power supply control unit, a neutron tube start-stop module, a neutron yield control module and a neutron tube fault automatic diagnosis and protection module. All components of the mechanism are integrated into a whole, and the mechanism is applied to a controllable neutron source movable type coal component rapid detection device; neutron emission is automatically controlled; the neutron tube is turned off in a non-working period; and device movement and radioactive source management are facilitated; by automatically adjusting the current of a memory and the voltage of an accelerating electrode, theneutron yield is stabilized, and the precision and stability of coal component detection can be improved.

Description

technical field [0001] The invention relates to a controllable neutron source mechanism for coal component analysis, belonging to the technical field of neutron generators. Specifically, it relates to a controllable neutron source mechanism and a control method used in a rapid detection device for incoming coal composition of coal transported by cars and trains. Background technique [0002] Prompt Gamma Neutron Activation Analysis (PGNAA) is an effective method for online detection of elemental composition in bulk coal. Most of the technical products at home and abroad are cross-belt coal composition online detection equipment, which either directly detect the raw coal on the main conveyor belt, or detect the raw coal on the auxiliary belt after mechanical sampling. For a large amount of coal transported into the factory by car or train, it is still sampled by mechanical sampling machines and tested in a laboratory, and the coal quality data cannot be obtained in time, and...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N23/00G21G4/02
CPCG01N23/00G21G4/02
Inventor 宋兆龙
Owner SOUTHEAST UNIV
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