CN109580664A - A kind of high concentration uranium measuring instrument - Google Patents
A kind of high concentration uranium measuring instrument Download PDFInfo
- Publication number
- CN109580664A CN109580664A CN201811593709.1A CN201811593709A CN109580664A CN 109580664 A CN109580664 A CN 109580664A CN 201811593709 A CN201811593709 A CN 201811593709A CN 109580664 A CN109580664 A CN 109580664A
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- China
- Prior art keywords
- sample bottle
- fixed plate
- pedestal
- detector
- americium
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2223/00—Investigating materials by wave or particle radiation
- G01N2223/10—Different kinds of radiation or particles
- G01N2223/101—Different kinds of radiation or particles electromagnetic radiation
- G01N2223/1013—Different kinds of radiation or particles electromagnetic radiation gamma
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Measurement Of Radiation (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The present invention relates to uranium transformation technology fields, specifically disclose a kind of high concentration uranium measuring instrument, the signal of computer is received by pull rod motor, electronic strut is driven to move, and then the mobile fixed plate below guide rail is driven to move, and it is moved forward and backward americium source insert plate, so that detector receives or disconnects the gamma-rays of americium radioactive source, gamma-ray signal is transferred to multichannel analyzer by detector, gamma-ray signal is transformed into electric signal by multichannel analyzer, and it is transferred to computer, to realize the automatic measurement of uranium content.Apparatus of the present invention structure is simple, acid corrosion-resistant, radiation resistance control, high degree of automation.
Description
Technical field
The invention belongs to uranium transformation technology fields, and in particular to a kind of high concentration uranium measuring instrument.
Background technique
Nuclear fuel field measures high concentration uranium content frequently with γ absorptiometry device, the device using when exist and as follows ask
Topic: 1) using manual mode switch americium source baffle, and in operator's manual switch americium source baffle, americium source can be made to keep off because of shaking
Board position changes, and causes measuring result error larger；2) device uses single-channel analyzer, is only able to display measurement count,
When peak drift, error caused by the drift of peak position can not be eliminated；3) sample cell is reused, and sample cell is after being cleaned multiple times
It can use, lead to operator's heavy workload；4) gamma activity interferes measurement result big, when the counting rate of sample itself is big
When the counting rate that sample absorbs, the error of measurement result is more than 50%.
Therefore, it needs to develop that measurement result stability is more preferable, high concentration uranium measuring instrument of high degree of automation, is set from instrument
Set about solving the above problems at all on meter, reaches and quickly and accurately provide analysis data for spentnuclear fuel technique.
Summary of the invention
The purpose of the present invention is to provide a kind of high concentration uranium measuring instrument, realization is quickly and accurately detected.
Technical scheme is as follows:
A kind of high concentration uranium measuring instrument, including lid, pedestal, americium radioactive source, electronic strut, mobile fixed plate, guide rail, sample
Product bottle cap, sample bottle, sample bottle holder, sample bottle cover, detector, glove box, multichannel analyzer, computer, pull rod motor；
It is equipped with pedestal fixed plate in the two sides of the pedestal, the welding of pedestal fixed plate is set to glove box bottom；
The pedestal fixed plate at pedestal and both ends is welded together by weldment, the pedestal fixed plate is welded on hand
On the bottom plate of casing；
The weldment is higher than the bottom plate of glove box；
The sample bottle is sheathed on the center of pedestal, is screwed on pedestal；The sample bottle is set to
In sample bottle holder, sample bottle holder is set in sample bottle cover；
It is equipped with sample bottle cap, at the upper opening of the sample bottle to prevent sample to be spread in sample bottle holder；
Lid is equipped with above the sample bottle, cover cap on weldment, can prevent liquid in glove box or
Solid is fallen into sample bottle holder, influences measurement result；
Lid is fixed with by lid fastening screw in the center of the lid and proposes torsion；
Two collimating apertures in the same horizontal line are equipped in the left and right sides of the sample bottle cover, wherein the collimation in left side
Hole faces the probe of detector；
The detector is fixed by the detector fixed plate of lower part, and detector fixed plate is fixed by screws in pedestal
On；
The detector is connect with multichannel analyzer；
Americium source insert plate, the bottom end of americium source insert plate and mobile fixation below are equipped on the right side of the sample bottle cover
It is connected and fixed on the right side of plate；
Americium radioactive source is embedded on the americium source insert plate；Two collimations of the americium radioactive source and sample bottle cover
Hole is in the same horizontal line；
It is equipped with guide rail in the surface of the mobile fixed plate, guide rail is placed in parallel with americium source insert plate, solid by screw
It is scheduled on pedestal；
The mobile fixed plate can be moved along guide rail；
The lower section of the mobile fixed plate and one end of electronic strut are welded and fixed, the other end and pull rod of electronic strut
Motor is connected, and pull rod motor is connect by signal wire with computer.
Further include being equipped with the rubber gasket of acid-alkali-corrosive-resisting in the position of the pedestal fixed plate and glove box welding, rises
The effect of alpha activity in seal box.
It is equipped with lid gasket between the lid and lid fastening screw, is used for sealing cover body.
It is equipped with stopper in the mobile fixed board ends, can prevent mobile fixed plate from falling off from guide rail.
The sample bottle holder is polyvinyl chloride material, if being contaminated capable of washing or replacement.
The detector is FAST SDD detector.
The pull rod motor receives the signal of computer, and electronic strut is driven to move, and then drives the shifting below guide rail
Dynamic fixed plate movement, and it is moved forward and backward americium source insert plate, so that detector receives or disconnects the gamma-rays of americium radioactive source, γ is penetrated
The signal of line is transferred to multichannel analyzer by detector, gamma-ray signal is transformed into electric signal by multichannel analyzer, and transmit
To computer, to realize the automatic measurement of uranium content.
Remarkable result of the invention is:
(1) apparatus of the present invention structure is simple, acid corrosion-resistant, radiation resistance control, high degree of automation.
(2) apparatus of the present invention make switch americium radioactive source realize automation by using pull rod motor.
(3) apparatus of the present invention are used by using disposable sample bottle, it is therefore prevented that sample cross contamination.
(4) apparatus of the present invention eliminate sample itself gamma activity to measurement result by using FAST SDD detector
Influence.
(5) apparatus of the present invention are using multichannel analyzer, it can be achieved that the energy calibration of characteristic peak, eliminates because peak drift generates
Measurement error.
Detailed description of the invention
Fig. 1 is uranium measurement instrument structural schematic diagram.
In figure: 1. lids propose torsion；2. lid fastening screw；3. lid gasket；4. lid；5. weldment；6. pedestal；7.
Americium radioactive source；8. americium source insert plate；9. electronic strut；10. mobile fixed plate；11. guide rail；12. sample bottle cap；13. sample bottle；
14. sample bottle holder；15. sample bottle cover；16. detector fixed plate；17. detector；18. pedestal fixed plate；19. glove box；20.
Multichannel analyzer；21. computer；22. pull rod motor.
Specific embodiment
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
A kind of high concentration uranium measuring instrument as shown in Figure 1, including lid mention torsion 1, lid fastening screw 2, lid gasket
3, lid 4, weldment 5, pedestal 6, americium radioactive source 7, americium source insert plate 8, electronic strut 9, mobile fixed plate 10, guide rail 11, sample
Product bottle cap 12, sample bottle 13, sample bottle holder 14, sample bottle cover 15, detector fixed plate 16, detector 17, pedestal fixed plate 18,
Glove box 19, multichannel analyzer 20, computer 21, pull rod motor 22.
It is equipped with pedestal fixed plate 18 in the two sides of the pedestal 6, the welding of pedestal fixed plate 18 is set to 19 bottom of glove box.?
The pedestal fixed plate 18 is equipped with the rubber gasket of acid-alkali-corrosive-resisting with the position that glove box 19 welds, and plays seal box
The effect of alpha activity in 19.
Pedestal 6 and the pedestal fixed plate 18 at both ends are welded together by weldment 5, pedestal fixed plate 18 is welded on hand
On the bottom plate of casing 19.The weldment 5 is higher than the bottom plate of glove box 19.
The sample bottle cover 15 is set to the center of pedestal 6, is screwed on pedestal 6.The sample bottle
13 are set in sample bottle holder 14, and sample bottle holder 14 is set in sample bottle cover 15.It is equipped at the upper opening of the sample bottle 13
Sample bottle cap 12, to prevent sample to be spread in sample bottle holder 14.The sample bottle holder 14 is polyvinyl chloride material, if contaminated
Capable of washing or replacement.
Lid 4 is equipped with above the sample bottle 13, lid 4 is covered on weldment 5, can be prevented in glove box 19
Liquid or solid is fallen into sample bottle holder 14, influences measurement result.Pass through lid fastening screw in the center of the lid 4
2, which are fixed with lid, proposes torsion 1, and lid gasket 3 is equipped between lid 4 and lid fastening screw 2, is used for sealing cover body 4.
Two collimating apertures in the same horizontal line are equipped in the left and right sides of the sample bottle cover 15, wherein the standard in left side
Straight hole faces the probe of detector 17.
The detector 17 is fixed by the detector fixed plate 16 of lower part, and detector fixed plate 16 is fixed by screws in
On pedestal 6.The detector 17 is connect with multichannel analyzer 20.The detector 17 is FAST SDD detector.
Americium source insert plate 8, the bottom end of americium source insert plate 8 and movement below are equipped on the right side of the sample bottle cover 15
It is connected and fixed on the right side of fixed plate 10.Americium radioactive source 7 is embedded on the americium source insert plate 8.The americium radioactive source 7 and sample
Two collimating apertures of product bottle cover 15 are in the same horizontal line.
It is equipped with guide rail 11 in the surface of the mobile fixed plate 10, guide rail 11 is placed in parallel with americium source insert plate 8, passes through
Screw is fixed on pedestal 6.The mobile fixed plate 10 can be moved along guide rail 11.
It is equipped with stopper at 10 both ends of mobile fixed plate, can prevent mobile fixed plate 10 from taking off from guide rail 11
It falls.
The lower section of the mobile fixed plate 10 and one end of electronic strut 9 are welded and fixed, the other end of electronic strut 9 with
Pull rod motor 22 is connected, and pull rod motor 22 is connect by signal wire with computer 21.
The pull rod motor 22 receives the signal of computer 21, and electronic strut 9 is driven to move, and then drives under guide rail 11
The mobile fixed plate 10 of side moves, and is moved forward and backward americium source insert plate 8, so that detector 17 receives or disconnect americium radioactive source 7
Gamma-rays, gamma-ray signal are transferred to multichannel analyzer 20 by detector 17, are turned gamma-ray signal by multichannel analyzer 20
Become electric signal, and be transferred to computer 21, to realize the automatic measurement of uranium content.
Claims (7)
1. a kind of high concentration uranium measuring instrument, it is characterised in that: including lid (4), pedestal (6), americium radioactive source (7), electronic strut
(9), mobile fixed plate (10), guide rail (11), sample bottle cap (12), sample bottle (13), sample bottle holder (14), sample bottle cover
(15), detector (17), glove box (19), multichannel analyzer (20), computer (21), pull rod motor (22)；
Pedestal fixed plate (18) are equipped in the two sides of the pedestal (6), pedestal fixed plate (18) welding is set to glove box (19) bottom
Portion；
Pedestal (6) and the pedestal fixed plate (18) at both ends are welded together by weldment (5), the pedestal fixed plate
(18) it is welded on the bottom plate of glove box (19)；
The weldment (5) is higher than the bottom plate of glove box (19)；
The sample bottle cover (15) is set to the center of pedestal (6), is screwed on pedestal (6)；The sample
Bottle (13) is set in sample bottle holder (14), and sample bottle holder (14) is set in sample bottle cover (15)；
Sample bottle cap (12) are equipped at the upper opening of the sample bottle (13), to prevent sample to be spread to sample bottle holder (14)
It is interior；
Lid (4) are equipped with above the sample bottle (13), lid (4) covers on weldment (5), can prevent glove box
(19) liquid or solid in is fallen into sample bottle holder (14), influences measurement result；
Lid, which is fixed with, by lid fastening screw (2) in the center of the lid (4) mentions torsion (1)；
Two collimating apertures in the same horizontal line are equipped in the left and right sides of the sample bottle cover (15), wherein the collimation in left side
Hole faces the probe of detector (17)；
The detector (17) is fixed by the detector fixed plate (16) of lower part, and detector fixed plate (16) is fixed by screw
On pedestal (6)；
The detector (17) is connect with multichannel analyzer (20)；
Americium source insert plate (8), the bottom end of americium source insert plate (8) and shifting below are equipped on the right side of the sample bottle cover (15)
It is connected and fixed on the right side of dynamic fixed plate (10)；
Americium radioactive source (7) are embedded on the americium source insert plate (8)；The americium radioactive source (7) and sample bottle cover (15)
Two collimating apertures in the same horizontal line；
Guide rail (11) are equipped in the surface of the mobile fixed plate (10), guide rail (11) is placed in parallel with americium source insert plate (8),
It is fixed by screws on pedestal (6)；
The mobile fixed plate (10) can be mobile along guide rail (11)；
The lower section of the mobile fixed plate (10) and one end of electronic strut (9) are welded and fixed, the other end of electronic strut (9)
It is connected with pull rod motor (22), pull rod motor (22) is connect by signal wire with computer (21).
2. a kind of high concentration uranium measuring instrument as described in claim 1, it is characterised in that: further include in the pedestal fixed plate
(18) it is equipped with the rubber gasket of acid-alkali-corrosive-resisting with the position of glove box (19) welding, plays seal box (19) interior α and puts
The effect of penetrating property.
3. a kind of high concentration uranium measuring instrument as claimed in claim 2, it is characterised in that: tight in the lid (4) and lid
Gu being equipped with lid gasket (3) between screw (2), it is used for sealing cover body (4).
4. a kind of high concentration uranium measuring instrument as claimed in claim 3, it is characterised in that: in the mobile fixed plate (10) two
End is equipped with stopper, and mobile fixed plate (10) can be prevented to fall off from guide rail (11).
5. a kind of high concentration uranium measuring instrument as claimed in claim 4, it is characterised in that: the sample bottle holder (14) is polychlorostyrene
Ethylene material, if being contaminated capable of washing or replacement.
6. a kind of high concentration uranium measuring instrument as claimed in claim 5, it is characterised in that: the detector (17) is FAST
SDD detector.
7. a kind of high concentration uranium measuring instrument as described in any one of claims 1 to 6, it is characterised in that: the pull rod motor
(22) signal for receiving computer (21), drives electronic strut (9) to move, and then drives the mobile fixed plate below guide rail (11)
(10) it moves, and is moved forward and backward americium source insert plate (8), so that the γ that detector (17) received or disconnected americium radioactive source (7) is penetrated
Line, gamma-ray signal are transferred to multichannel analyzer (20) by detector (17), by multichannel analyzer (20) by gamma-ray signal
It is transformed into electric signal, and is transferred to computer (21), to realizes the automatic measurement of uranium content.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811593709.1A CN109580664B (en) | 2018-12-25 | 2018-12-25 | High concentration uranium measuring apparatu |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811593709.1A CN109580664B (en) | 2018-12-25 | 2018-12-25 | High concentration uranium measuring apparatu |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109580664A true CN109580664A (en) | 2019-04-05 |
| CN109580664B CN109580664B (en) | 2021-11-16 |
Family
ID=65931759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811593709.1A Active CN109580664B (en) | 2018-12-25 | 2018-12-25 | High concentration uranium measuring apparatu |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110044938A (en) * | 2019-06-05 | 2019-07-23 | 成都理工大学 | A kind of uranium concentration measuring device of spentnuclear fuel extract liquor |
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| CN109580664B (en) | 2021-11-16 |
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