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 |
|
Aqoonsiga dinnuclide ikhtiyaari ah |
|
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 waa 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 isbedelka asalka ahi uu weynaado oo uu ku keeno isbeddel weyn suurtagalnimada alaarmiga, nidaamka kormeerku waa inuu soo saaraa 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