Mea hoʻolako ʻoihana no ka ʻike ʻana i ka radiation

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hae

RJ12 series channel type pedestrian, line package radiation monitoring equipment

RJ12 series channel type pedestrian, line package radiation monitoring equipment Featured Image
  • RJ12 series channel type pedestrian, line package radiation monitoring equipment
  • RJ12 series channel type pedestrian, line package radiation monitoring equipment

ʻO ka wehewehe pōkole:

ʻO RJ12 ka mea hele wāwae a me ka pūʻolo radioactive kiaʻi ʻana i nā lako nānā radioactive no ka poʻe hele wāwae a me nā ukana.Loaʻa iā ia nā hiʻohiʻona o ka naʻau kiʻekiʻe, ka laulā ʻike ākea a me ka manawa pane pōkole, a hiki ke hoʻomaopopo i ka alarm radiation aunoa, ka mālama ʻana i ka ʻikepili a me nā hana ʻē aʻe.ʻO ka ʻōnaehana ʻike maka koho, i hui pū ʻia me ka ʻōnaehana hoʻonohonoho ʻakomi, hiki ke ʻimi i nā poʻe kānalua i ka wahi i hoʻopaʻa ʻia.Hiki ke hoʻohana ʻia i nā wahi like ʻole o ka lawe ʻana a me ka hoʻokuʻu aku, e like me ka palena ʻāina, ke kahua mokulele, ke kahua kaʻaahi, ke kahua kaʻaahi, nā hale kūʻai kūʻai, etc.


Huahana Huahana

Huahana Huahana

hiʻona ʻenehana

① ʻAʻole nānā ke kāʻei BIN (Background Identification of Normal) i ka ʻenehana

② MCA multispectrum analyer, hiʻona SIGMA helu algorithm

③ hana NORM (40K) Hoʻokaʻawale wikiwiki ma waena o nā nuclides kūlohelohe maʻamau (e.g40K、232Th）

④ Hana ʻike nuclide (me ka sodium iodide probe / koho)

⑤ ʻO ka hui pū ʻana i ka mea ʻike sodium iodide a me ka MCA multichannel energy spectrometer analyzer hiki ke hoʻokaʻawale pololei ma waena o nā nuclides olakino, nuclides ʻoihana, a me nā radionuclides kūlohelohe.

Nuclide kūlohelohe 40K、226Ra、232Th
Nuclide ʻoihana 241am、137Cs,60Co、57Co、22Na、133Ba、54Mn、88Y
Nā nuclids lapaʻau 131I 、201Tl,203Hg、18F、99mTc、99Mo、192Ir
Mea nukelea kūikawā 57Co、152ʻEu238U

⑥ Kiʻekiʻe-wikiwiki sampling (wikiwiki: 200ms)

 Nā hōʻailona ʻenehana nui o ka mea ʻikes

inoa papahana ʻIke pili
Nā ʻano mea ʻike ʻO ka scintillator pāpaʻi pāpaʻi + ka leo haʻahaʻa photomultiplier paipu
Ka leo ʻike 5,10,15 koho me ka ʻimi ʻelua (puka paʻamau pālua ʻelua)
Ka nui o ka hele ʻana 106cps
laulā ikehu 25keV~3MeV
ka naʻau m5000cps / (Sv / h) (10 L, pili137Cs）
ʻIke palena haʻahaʻa Hiki ke ʻike i ka radiation ma luna o ke kua o 5nSv / h
ʻO kahi koho, ka paipu neutron
  • ʻAno ʻimi: ola lōʻihi3He neutron detector (1 atmospheric a i ʻole kaomi ke koho)
  • Laulā ikehu: 0.025eV (neutron wela) ~14MeV
  • Ka helu o ke ola: 1017He helu
  • ʻO ka nui o ka ʻāpana ʻike kūpono: 50mm 600mm, 25mm 600mm, 57mm 1054mm he koho;
  • ʻIke: 75 cps / Sv / h (pili i kekahi)m252Cf）
  • Helu lalo: <5cps
ʻO ka ʻike dinnuclide koho
  • ʻAno ʻike: Palani ʻo SAN Gobain ka mea ʻike sodium iodide nui + haʻahaʻa potassium quartz photomultiplier tube
  • Ka nui o ka mea nānā: 1 l, 2 l ke koho, i lako me nā probes ʻelua
  • Ka nui o ka hele ʻana: 106cps
  • Huina ikehu: 25keV~3MeV
  • ʻIke: 20,000 cps / (Sv / h) (2 L, relativem137Cs）

Nā hōʻailona ʻenehana nui o ka ʻōnaehana

1. ʻO ka pono o ka ʻike paʻa (AB)

A. ʻO ka pono o ka ʻike ʻana o ka ʻōnaehana hele wāwae

puna radioactive ʻO ka ikehu nuikeV

ʻO ka maikaʻi o ka ʻike ʻana

 Ka helu helu ma 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

ninini:

1. ʻO ka 252Cf neutron kumu hoʻāʻo maʻamau me kahi kumu neutron ikaika o 12000 / s (1 ± 20%) ua kau ʻia ma kahi o ka helu kuhikuhi.

2. Pono ka helu helu neutron i ke koi o ka helu helu o> 100 (1 ± 20%) / s

ʻO ka pono o ka ʻike ʻana i ka ʻōnaehana B-lālani pūʻolo

puna radioactive ʻO ka ikehu nuikeV

ʻO ka maikaʻi o ka ʻike ʻana

 Ka helu helu ma 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. ʻIke ʻike

Pūnaehana mākaʻikaʻi hele wāwae a me ka ʻōnaehana nānā pūʻolo laina

Kahelehele: Hiki ke ʻike ʻia f 90% ka māmā v=1.2m/s

Pūʻolo laina: hiki ke ʻimi f 90% ka māmā v=1m / s

puna radioactive ʻO ka hana a i ʻole ka maikaʻi
137Cs 0.08MBq
60Co 0.02MBq
241Am 2.27MBq

3. Anti-interference hana o ka neutron detector

Ke hoʻopuka kahi kumu 60Co i ka helu helu ma ke kikowaena geometric o ka neutron detector surface o ka ʻōnaehana kiaʻi, ʻoi aku ka nui ma mua o 120 Sv / h, ʻaʻole pono ka ʻōnaehana kiaʻi e hoʻāla i kahi alarm neutron.

4. Laki ho'āla hoʻopunipuni: 0.01% (, neutron)

Loaʻa paha kahi ʻōnaeho ʻōnaehana ʻike i hana ʻia e nā mea radioactive ʻole a i ʻole SNM

5. overload hiʻona

Ke hoʻomau ka ʻōnaehana kiaʻi i ke ʻano o ka alarm a hoʻi i ke kūlana hope, a ʻoi aku ka manawa o ka hoʻokuʻu ʻana ma mua o 60s.

6. Ke kūlike o ka naʻau

Ma loko o ka laulā o ka ʻāpana ʻike

Hele wāwae ± 25% Pūʻulu Laina ± 25%

Nā hōʻailona ʻenehana nui no ka ʻike nuclide (koho)

Ka helu milarm

I loko o kahi kūlana paʻa:

E hoʻohana i ka mea ʻike lewa, 10000 mau manawa, ka helu ala ala hoʻopunipuni 1

Me ka ʻole o ka hoʻohana ʻana i ka sensor e noho ana, hoʻohana ʻia ka helu hoʻopunipuni wahaheʻe a me ka helu kuhi hewa i hoʻokahi manawa i loko o 12h

γ Pane Radiation

Hana 50 manawa, hoʻāla 49 manawa

Ka hoʻohalahala

Ma luna o 100 v S / h, hoʻokuʻu ʻia kahi alarm radiation kiʻekiʻe a wehe ʻia i loko o 1min ma hope o ka haʻalele ʻana o ke kumu.

ʻO ka hoʻāla neutron i hoʻoulu ʻia e ka radiation

ʻAʻole hoʻāla ʻia ka neutron alarm i ka wā i hiki ai ka nui o ka γ-ray i 100 Sv / h.

Ka hopena o ka hope

Ke nui ka hoʻololi ʻana o ke kua i hiki ke hoʻololi nui i ka hiki ke hoʻāla, e hoʻopuka ka ʻōnaehana kiaʻi i kahi ʻōlelo aʻoaʻo

ʻIke nuclide

Nuclide kūlohelohe 40K、226Ra、232Th
Nuclide ʻoihana 241am、137Cs,60Co、57Co、22Na、133Ba、54Mn、88Y
Nā nuclids lapaʻau 131I 、201Tl,203Hg、18F、99mTc、99Mo、192Ir
Mea nukelea kūikawā 57Co、152ʻEu238U

Nānā: ʻO ka ʻike nuclide a me ka ʻike neutron he koho, ʻaʻole ma ka ʻōnaehana maʻamau

ʻAno hoʻohālike

图片1

Kiʻi 1. Pūʻolo a me ka nānā ʻana i ka radiation pedestrian

图片2

Kiʻi 2. ʻO nā mea hana e nānā ana i ka radiation radiation

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