CN206194385U - Passive ash analyzer 's environment radiation shielding room - Google Patents
Passive ash analyzer 's environment radiation shielding room Download PDFInfo
- Publication number
- CN206194385U CN206194385U CN201621023615.7U CN201621023615U CN206194385U CN 206194385 U CN206194385 U CN 206194385U CN 201621023615 U CN201621023615 U CN 201621023615U CN 206194385 U CN206194385 U CN 206194385U
- Authority
- CN
- China
- Prior art keywords
- layer
- shell
- screen layer
- shielded enclosure
- passive
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Measurement Of Radiation (AREA)
Abstract
The utility model discloses a passive ash analyzer's environment radiation shielding room, including shell and upper cover, shell outside -in includes in proper order that iron and steel shielding layer, lead screen layer, cadmium shielding layer, copper shield layer and glass screen cover the layer, the axial central position of shell is equipped with ray scintillation detector, compared with the prior art, be equipped with pin hole and earthing rod on the shell. The utility model discloses a passive ash analyzer's environment radiation shielding room device adopts compound screen method, and protection ray scintillation detector, separation dust, moisture, moisture be to the erosion of the ray scintillation detector and the environment radiation shielding body, improves the transmission performance of " mentally deficient peak " the ray signal in the measured object material coal to optimize the measured signal.
Description
Technical field
The utility model is related to alpha ray shield technical field, it particularly relates to a kind of environment ray of passive Ash analyser
Screened room.
Background technology
Ash content is one of important indicator of Coal Quality, and so far, the standard determination method of ash content of coal is still calcination
Weight method, scene is also how fast floating using fast ash, and artificial sample, sample preparation, chemical examination to quote result probably need to 90 minutes, efficiency is low
And the purpose of real-time detection Coal Quality is unable to reach, do not adapt to Modern Coal processing efficiently raw to realize with using enterprise
Product is grey to the quick survey of coal, the need for on-line checking.
Natural gamma ray in on-line checking coal, must be requested that, not only deposited naturally around the tested coal sample of shielding well
Natural gamma ray；And require that the undesirable natural gamma of naturally occurring around preferably shielding ray detecting device is penetrated
Line.Natural radioactive content only has a few millionths in coal, is easily influenceed by radioactivity background, existing passive Ash analyser ray
The shield of detection device can not provide good measuring environment, and accuracy of measurement is not high.
Utility model content
The purpose of this utility model is to provide a kind of environment beam shielded enclosure of passive Ash analyser, to overcome prior art to deposit
Above-mentioned deficiency.
The purpose of this utility model is achieved through the following technical solutions：
A kind of environment beam shielded enclosure of passive Ash analyser, including shell and upper lid, the shell ecto-entad are wrapped successively
Steel screen layer, lead screen layer, cadmium shield layer, copper shield and glass screen layer are included, the axial centre position of the shell sets
The outside for having ray scintillation detection device, the ray scintillation detection device is from inside to outside arranged with heated at constant temperature layer, glass successively
Glass screen layer, copper shield, cadmium shield layer, lead screen layer and steel screen layer, the shell are provided with fairlead and earthing rod.
Further, the steel screen layer is made up of the welding of iron and steel material quality section bar, and the inner side of steel screen layer, outside are equal
It is provided with antirust sprayed coating.
Further, the lead screen layer is processed into by high-purity Low background lead.
Further, the cadmium shield layer is processed into by high-purity Low background cadmium plate.
Further, the copper shield is processed into by high-purity Low background copper coin.
Further, the glass screen layer is made up of lucite.
Further, the lower half of the shell is semicircle or square groove shape.
Further, the first half of the shell towards the opening α angles of tested material be 0o<α≤135º.
The beneficial effects of the utility model：The environment alpha ray shield chamber device of passive Ash analyser of the present utility model, uses
Composite shielding method, protects ray scintillation detection device, intercepts dust, moisture, moisture and ray scintillation detection device and environment are penetrated
The erosion of line shield, improves the transmission performance of " low-energy peak " ray signal in tested material coal, so as to optimize measured signal.
Brief description of the drawings
In order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art, below will be to embodiment
Needed for the accompanying drawing to be used be briefly described, it should be apparent that, drawings in the following description are only of the present utility model
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this
A little accompanying drawings obtain other accompanying drawings.
Fig. 1 is the profile of the environment beam shielded enclosure of a kind of passive Ash analyser according to the utility model embodiment
One；
Fig. 2 is the overall knot of the environment beam shielded enclosure of a kind of passive Ash analyser according to the utility model embodiment
Structure schematic diagram one；
Fig. 3 is the profile of the environment beam shielded enclosure of a kind of passive Ash analyser according to the utility model embodiment
Two；
In figure：
1st, glass screen layer；2nd, copper shield；3rd, cadmium shield layer；4th, lead screen layer；5th, steel screen layer；6th, heated at constant temperature
Layer；7th, ray scintillation detection device；8th, upper lid；9th, fairlead；10th, shell；11st, earthing rod.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, the every other embodiment that those of ordinary skill in the art are obtained all belongs to
In the scope of the utility model protection.
As Figure 1-3, a kind of environment beam shielded enclosure of passive Ash analyser described in the utility model, including shell 10
With upper lid 8, the lower half of the shell 10 is semicircle, square groove shape or other any shapes, uniformly and effectively reduces shielding
The own wt of body, the ecto-entad of the shell 10 is sequentially provided with steel screen layer 5, lead screen layer 4, cadmium shield layer 3, copper shield
Layer 2 and glass screen layer 1, the first half of the shell 10 towards tested material the preferred 45° angle in opening α angles, the shell 10
Axial centre position be provided with ray scintillation detection device 7, the outside of the ray scintillation detection device 7 from inside to outside covers successively
Heated at constant temperature layer 6, glass screen layer 1, copper shield 2, cadmium shield layer 3, lead screen layer 4 and steel screen layer 5 are provided with, it is described outer
Shell 10 is provided with fairlead 9 and earthing rod 11.
The steel screen layer 5 is made up of the welding of iron and steel material quality section bar, and its inner side, outside are equipped with antirust sprayed coating, institute
State lead screen layer 4 to be processed into by high-purity Low background lead, for absorbing from the gamma-rays composition in cosmic ray, the cadmium screen
Cover layer 3 to be processed into by high-purity Low background cadmium plate, for absorbing the low energy radioactive ray produced in lead（100~300kev）And lead hair
The 75kev and the characteristic X-ray of 85kev for going out, the copper shield 2 are processed into by high-purity Low background copper coin, for absorbing cadmium
Characteristic X-ray（22 kev ）, the glass screen layer 1 is made up of lucite, the characteristic X-ray for absorbing copper, both to the greatest extent
Environment ray is possibly shielded, is more beneficial for detecting " low-energy peak " ray signal in coal again.
The environment alpha ray shield chamber device of passive Ash analyser described in the utility model, using composite shielding method, protection is penetrated
Line flash detection device, intercepts the erosion of dust, moisture, moisture to ray scintillation detection device and environment radiation shield, carries
The transmission performance of " low-energy peak " ray signal in tested material coal high, so as to optimize measured signal.
Preferred embodiment of the present utility model is the foregoing is only, is not used to limit the utility model, it is all at this
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc. should be included in the utility model
Protection domain within.
Claims (8)
1. a kind of environment beam shielded enclosure of passive Ash analyser, including shell（10）With upper lid（8）, it is characterised in that it is described outer
Shell（10）Ecto-entad includes steel screen layer successively（5）, lead screen layer（4）, cadmium shield layer（3）, copper shield（2）And glass
Screen layer（1）, the shell（10）Axial centre position be provided with ray scintillation detection device（7）, the ray scintillation detection
Device（7）Outside be from inside to outside arranged with successively heated at constant temperature layer（6）, glass screen layer（1）, copper shield（2）, cadmium shield
Layer（3）, lead screen layer（4）With steel screen layer（5）, the shell（10）It is provided with fairlead（9）With earthing rod (11).
2. a kind of environment beam shielded enclosure of passive Ash analyser according to claim 1, it is characterised in that the steel screen
Cover layer（5）It is made up of the welding of iron and steel material quality section bar, steel screen layer（5）Inner side, outside be equipped with antirust sprayed coating.
3. a kind of environment beam shielded enclosure of passive Ash analyser according to claim 1, it is characterised in that the lead screen
Layer（4）It is processed into by high-purity Low background lead.
4. a kind of environment beam shielded enclosure of passive Ash analyser according to claim 1, it is characterised in that the cadmium shield
Layer（3）It is processed into by high-purity Low background cadmium plate.
5. a kind of environment beam shielded enclosure of passive Ash analyser according to claim 1, it is characterised in that the copper shield
Layer（2）It is processed into by high-purity Low background copper coin.
6. a kind of environment beam shielded enclosure of passive Ash analyser according to claim 1, it is characterised in that the glass screen
Cover layer（1）It is made up of lucite, organic plastic plate or organic electrician's plate.
7. a kind of environment beam shielded enclosure of passive Ash analyser according to claim 1, it is characterised in that the shell
（10）Lower half be semicircle or square groove shape.
8. a kind of environment beam shielded enclosure of passive Ash analyser according to claim 7, it is characterised in that the shell
（10）The first half towards the opening α angles of tested material be 0o<α≤135º.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621023615.7U CN206194385U (en) | 2016-08-31 | 2016-08-31 | Passive ash analyzer 's environment radiation shielding room |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621023615.7U CN206194385U (en) | 2016-08-31 | 2016-08-31 | Passive ash analyzer 's environment radiation shielding room |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206194385U true CN206194385U (en) | 2017-05-24 |
Family
ID=58728038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621023615.7U Active CN206194385U (en) | 2016-08-31 | 2016-08-31 | Passive ash analyzer 's environment radiation shielding room |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206194385U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107479084A (en) * | 2017-08-14 | 2017-12-15 | 绵阳市维博电子有限责任公司 | A kind of nuclear radiation shield structure of whole-body counter |
-
2016
- 2016-08-31 CN CN201621023615.7U patent/CN206194385U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107479084A (en) * | 2017-08-14 | 2017-12-15 | 绵阳市维博电子有限责任公司 | A kind of nuclear radiation shield structure of whole-body counter |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6016835B2 (en) | Radiation detection | |
| CN102928867B (en) | Compensation type neutron dose instrument | |
| CN106873024B (en) | A kind of highly sensitive environmental neutron energy spectrum analysis system for small-sized fast reactor | |
| CN102419335B (en) | Neutron nondestructive detection system | |
| CN106873021A (en) | The measuring method and device of content of radioactive isotopes in nuclear reactor Loop Water | |
| CN112526584A (en) | Neutron energy spectrum measuring device and measuring method thereof | |
| CN108802794A (en) | A kind of radioactive activity transmits measuring device and its activity measurement method | |
| CN103245680A (en) | Fast neutron imaging method and system based on time-of-flight method | |
| CN206194385U (en) | Passive ash analyzer 's environment radiation shielding room | |
| CN108398710A (en) | A kind of device measured in real time for neutron energy spectrum in reactor | |
| Shukla et al. | Development of neutron imaging beamline for NDT applications at Dhruva reactor, India | |
| CN108169781A (en) | A kind of X- gammas dosage detection device | |
| JP5999064B2 (en) | Radiation incidence detector | |
| Zhao et al. | Spatial effect analysis of coal and gangue recognition detector based on natural gamma ray method | |
| CN207557493U (en) | The online Radionuclide analysis detector of presurized water reactor primary Ioops water | |
| CN204758834U (en) | Alpha particle measurement appearance | |
| CN108205153B (en) | Same-direction reverse coincidence system for low background total alpha and beta measurement | |
| CN206505728U (en) | A kind of screening arrangement for exploring dark matter | |
| CN2645079Y (en) | Backscattering X-ray scanner | |
| WO2019062253A1 (en) | Array-type large-area total radioactivity detection device | |
| CN204495750U (en) | A kind of passive coal ash content investigating device | |
| CN204740213U (en) | Foresee in lime -ash of coal burning back device of uranium content and categorised control of coal on line | |
| CN208580213U (en) | A kind of radioactive activity transmitting measuring device | |
| CN1152250C (en) | In-line water content measuring method and instrument by fast nutron and gamma ray absorption | |
| CN205720698U (en) | Gamma-ray spectrometry scanner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |