① BIN (Background Identification of Normal) asalka ayaa iska indhatira tignoolajiyada
② MCA multispectrum analyzer, sifada SIGMA algorithm algorithm
③ Shaqada NORM40K) Si degdeg ah u kala saar nuclides-ka caadiga ah iyo kuwa dabiiciga ah (tusaale40K,232Th)
④ Shaqada aqoonsiga nuclide (oo leh soodhiyam iodide probe / optional)
⑤ Isku darka soodiyam iodide detector iyo MCA multichannel energy spectrometer analyzer ayaa si sax ah u kala saari kara nuclides-ka caafimaadka, nuclides warshadaha, iyo radionuclides dabiiciga ah
| Nuclide dabiiciga ah | 40K,226Ra,232Th |
| Nuclide warshadaha | 241am,137Cs,60Co,57Co,22Maya,133Ba,54Mn,88Y |
| Nuclides caafimaad | 131I,201Tl,203Hg,18F,99mTc,99Mo,192Ir |
| Walxaha Nukliyeerka ee gaarka ah | 57Co,152Yu,238U |
Muunad-xaware sare leh (ugu dhakhsaha badan: 200ms)
| magaca mashruuca | Macluumaadka qiyaasta |
| Noocyada baaraha | scintillator saxan balaastig ah + sanqadh hooseeya tuubbada sawir qaade |
| Mugga baaraha | 5,10,15 ikhtiyaari ah oo leh laba baaritaan (albaabka laba-baaraha caadiga ah) |
| Heerka ugu sarreeya | 106cps |
| kala duwanaanshaha tamarta | 25keV~3MeV |
| dareen | m5000cps / (Sv / h) (10 L, qaraabo137Cs) |
| Ogaanshaha xadka hoose | Awoodda lagu ogaanayo shucaaca ka sarreeya asalka 5nSv / h |
| Mid ikhtiyaari ah, tuubada neutronka |
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| Aqoonsiga dinnuclide ikhtiyaari ah |
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1. Waxtarka ogaanshaha taagan (AB)
A. Hufnaanta ogaanshaha joogtada ah ee nidaamka la socodka dadka lugaynaya
| isha shucaac ah | Tamarta ugu weynkeV | Waxtarka ogaanshaha taagan | Qiyaasta qiyaasta 1.5m / (nSv.h-1/MBq | |
| s-1/MBq | s-1/(nSv.h-1) | |||
| 241Am | 60 | ≥220 | ≥94 | 2.3 |
| 57Co | 122,136 | ≥840 | ≥90 | 9.3 |
| 137Cs | 662 | ≥960 | ≥23 | 42 |
| 60Co | 1173,1332 | ≥1800 | ≥11 | 160 |
| 133Ba | 3,181,302,356 | ≥1680 | ≥73 | 23 |
shub:
1. Isha tijaabada caadiga ah ee 252Cf neutron oo leh il neutron xoog leh oo ah 12000 / s (1 ± 20%) ayaa la dhigayaa meesha ay taal barta tixraaca
2. Heerka tirinta neutronku waa inuu buuxiyaa shuruudaha tirada tirinta> 100 (1 ± 20%) / s
Waxtarka ogaanshaha joogtada ah ee nidaamka la socodka xirmada safka-B
| isha shucaac ah | Tamarta ugu weynkeV | Waxtarka ogaanshaha taagan | Qiyaasta qiyaasta 1.5m / (nSv.h-1/MBq | |
| s-1/MBq | s-1/(nSv.h-1) | |||
| 241Am | 59.5 | ≥480 | ≥92 | 5.2 |
| 57Co | 122,136 | ≥2400 | ≥114 | 21 |
| 137Cs | 662 | ≥2640 | ≥28 | 95 |
| 60Co | 1173,1332 | ≥5760 | ≥16 | 360 |
| 133Ba | 3,181,302,356 | ≥4560 | ≥88 | 52 |
2. Dareenka ogaanshaha
Nidaamka la socodka dadka lugeynaya iyo nidaamka la socodka xirmada khadka
Lugeeyaha: ixtimaalka ogaanshaha f 90% xawaaraha v=1.2m/s
Xidhmada khadka: ixtimaalka tijaabada f 90% xawaaraha v=1m/s
| isha shucaac ah | Dhaqdhaqaaqa ama tayada |
| 137Cs | 0.08MBq |
| 60Co | 0.02MBq |
| 241Am | 2.27MBq |
3. Waxqabadka ka-hortagga faragelinta ee neutron detector
Marka isha 60Co ay soo saarto qiyaasta qiyaasta xarunta joometeriga ee dusha sare ee neutron ee nidaamka la socodka, ka weyn 120 Sv / h, nidaamka la socodka waa inuusan kicin alaarmiga neutron.
4. Heerka alaarmiga beenta ah: 0.01% (, neutron)
Itimaalka qaylo-dhaanta nidaamka ogaanshaha ee ay sababaan walxaha aan shucaaca ahayn ama aan SNM ahayn
5. sifooyinka xad dhaafka ah
Marka qiyaasta qiyaasta dusha sare ee wax baadha ay> 120 Sv / h, nidaamka kormeerku waa inuu ilaaliyaa xaaladda alaarmiga oo ku soo noqdaa xaaladda asalka, iyo wakhtiga sii daynta alaarmiga waa in ka yar 60s.
6. Joogteynta xasaasiga
Inta u dhaxaysa aagga la ogaado
Lugaha ± 25% Xidhmada khadka ± 25%
Heerka digniinta
Deegaan xasiloon:
Isticmaal dareeraha booska, 10000 jeer, heerka alaarmiga beenta ah 1
Adigoon isticmaalin dareemaha degane, heerka digniinta beenta ah iyo heerka aqoonsiga khaldan ayaa la isticmaalaa hal mar 12h
γ Jawaabta Shucaaca
Qabo 50 jeer, digniin 49 jeer
Caro badan
In ka badan 100 v S/saacaddii, alaarmiga shucaaca sare ayaa la sii daayaa waxaana laga saaray 1 daqiiqo gudahood ka dib markii isha ka baxdo
Alaarmiga neutron-ka ee shucaaca ka dhashay
Ma jiro alaarmiga neutron-ka oo kicin kara marka qiyaasta qiyaasta γ-ray gaadho 100 Sv / h
Saamaynta asalka ah
Marka isbeddelka asalka ahi uu weynaado oo uu ku keeno isbeddel weyn suurtagalnimada alaarmiga, nidaamka la socodka ayaa soo saari doona digniin degdeg ah
Aqoonsiga nuclide
| Nuclide dabiiciga ah | 40K,226Ra,232Th |
| Nuclide warshadaha | 241am,137Cs,60Co,57Co,22Maya,133Ba,54Mn,88Y |
| Nuclides caafimaad | 131I,201Tl,203Hg,18F,99mTc,99Mo,192Ir |
| Walxaha Nukliyeerka ee gaarka ah | 57Co,152Yu,238U |
Xusuusin: Aqoonsiga Nuclide iyo ogaanshaha neutronku waa ikhtiyaari, kuma jiraan nidaamka caadiga ah
Jaantuska 1. Xidhmada iyo la socodka shucaaca dadka lugaynaya
