RJ12 ikurikirana umuyoboro wubwoko bwabanyamaguru, ibikoresho byo kugenzura imirasire yumurongo

RJ12 yuruhererekane rwubwoko bwabanyamaguru, ibikoresho byo kugenzura imirasire yumurongo Ibikoresho byerekanwe

Ibisobanuro bigufi:

RJ12 abanyamaguru hamwe nibikoresho bipakurura ibikoresho bya radio ni ibikoresho byo kugenzura amaradiyo kubanyamaguru n'imizigo.Ifite ibiranga ibyiyumvo bihanitse, intera nini yo gutahura nigihe gito cyo gusubiza, kandi irashobora gutahura imirasire yumuriro, kubika amakuru byikora nibindi bikorwa.Sisitemu yo guhitamo isura idahwitse, ihujwe na sisitemu yo guhitamo byikora, irashobora kumenya abantu bakekwa mukarere kateganijwe.Irashobora gukoreshwa ahantu hatandukanye h’inzira zitumizwa no kohereza hanze, nkumupaka wubutaka, ikibuga cyindege, gariyamoshi, gari ya moshi, amaduka, nibindi.

Ohereza imeri kuri twe

Ibicuruzwa birambuye

Ibicuruzwa

uburyo bwa tekiniki

Background BIN (Kumenyekanisha Amavu n'amavuko asanzwe) yirengagije ikoranabuhanga

Analy MCA isesengura ryinshi, iranga SIGMA ibarurishamibare algorithm

Function Imikorere ya NORM (⁴⁰K) Itandukaniro ryihuse hagati ya nuclide isanzwe nubusanzwe (e. G.⁴⁰K 、²³²Th）

Function Igikorwa cyo kumenyekanisha Nuclide (hamwe na sodium iodide probe / bidashoboka)

Gukomatanya sodium ya Iyode hamwe na MCA isesengura ingufu za MCA nyinshi zirashobora gutandukanya neza nuclide yubuvuzi, nuclide yinganda, na radionuclide karemano

Nuclide karemano	⁴⁰K 、²²⁶Ra 、²³²Th
Nuclide mu nganda	²⁴¹Am 、¹³⁷Cs 、⁶⁰Co 、⁵⁷Co 、²²Na 、¹³³Ba 、⁵⁴Mn 、⁸⁸Y
Nuclides	¹³¹I 、²⁰¹Tl 、²⁰³Hg 、¹⁸F 、^99mTc 、⁹⁹Mo 、¹⁹²Ir
Ibikoresho bya kirimbuzi bidasanzwe	⁵⁷Co 、¹⁵²Eu 、²³⁸U

Sam Icyitegererezo cyihuse (cyihuta: 200m)

Ibipimo byingenzi bya tekinike ya detectors

izina ry'umushinga	Ibisobanuro
Ubwoko bwa detector	Isahani ya plastike scintillator + urusaku ruke rwa Photomultiplier tube
Ingano ya Detector	5,10,15 bidashoboka hamwe na probe ebyiri (urugi rudasanzwe rwububiko)
Igipimo ntarengwa cyo gutsinda	10⁶cps
urwego rw'ingufu	25keV ~ 3MeV
ibyiyumvo	m5000cps / (Sv / h) (10 L, isano¹³⁷Cs）
Kumenya imipaka ntarengwa	Ubushobozi bwo kumenya imirasire hejuru yinyuma ya 5nSv / h
Ihitamo, umuyoboro wa neutron	Ubwoko bwa probe: kuramba³We neutron detector (1 ikirere cyangwa igitutu kidahinduka) Ingufu zingufu: 0.025eV (neutron ishyushye) ~ 14MeV Ibarura ry'ubuzima: 10¹⁷Kubara Ingano yo gutahura neza: 50mm 600mm, 25mm 600mm, 57mm 1054mm birashoboka; Ibyiyumvo: 75 cps / Sv / h (ugereranije nibindi) m²⁵²Cf） Kubara munsi: <5cps
Kumenyekanisha dinnuclide	Ubwoko bwa Detector: Ubufaransa SAN Gobain bulk sodium iodide detector + potasiyumu nkeya ya quartz Photomultiplier tube Ingano ya Detector: 1 l, 2 l itabishaka, ifite ibikoresho bibiri Igipimo ntarengwa cyo gutsinda: 10⁶cps Ingufu zingufu: 25keV ~ 3MeV Ibyiyumvo: 20.000 cps / (Sv / h) (2 L, isano¹³⁷Cs）

Ibipimo byingenzi bya tekinike ya sisitemu

1. Uburyo bwiza bwo gutahura neza (AB)

A. Uburyo bwiza bwo kumenya neza uburyo bwo gukurikirana abanyamaguru

isoko ya radio	Ingufu nyamukurukeV	Uburyo bwiza bwo gutahura neza		Igipimo cya dosiye kuri 1.5m / (nSv.h.^-1/ MBq
isoko ya radio	Ingufu nyamukurukeV	s^-1/ MBq	s^-1/(nSv.h^-1)	Igipimo cya dosiye kuri 1.5m / (nSv.h.^-1/ MBq
²⁴¹Am	60	20220	≥94	2.3
⁵⁷Co	122.136	40840	≥90	9.3
¹³⁷Cs	662	60960	≥23	42
⁶⁰Co	1173.1332	001800	≥11	160
¹³³Ba	3,181.302.356	801680	≥73	23

gusuka:

1. Isoko rya 252Cf ya neutron isanzwe yipimisha hamwe nisoko ikomeye ya neutron ya 12000 / s (1 ± 20%) ishyirwa kumwanya wa detekeri yerekanwe.

2. Igipimo cyo kubara cya neutron kigomba kuba cyujuje ibisabwa byo kubara> 100 (1 ± 20%) / s

Uburyo bwiza bwo gutahura imikorere ya B-umurongo wa sisitemu yo gukurikirana

isoko ya radio	Ingufu nyamukurukeV	Uburyo bwiza bwo gutahura neza		Igipimo cya dosiye kuri 1.5m / (nSv.h.^-1/ MBq
isoko ya radio	Ingufu nyamukurukeV	s^-1/ MBq	s^-1/(nSv.h^-1)	Igipimo cya dosiye kuri 1.5m / (nSv.h.^-1/ MBq
²⁴¹Am	59.5	80480	≥92	5.2
⁵⁷Co	122.136	≥2400	≥114	21
¹³⁷Cs	662	402640	≥28	95
⁶⁰Co	1173.1332	≥5760	≥16	360
133Ba	3,181.302.356	≥4560	≥88	52

2. Kumenya neza

Sisitemu yo gukurikirana abanyamaguru na sisitemu yo gukurikirana imirongo

Umunyamaguru: Kumenya bishoboka f 90% umuvuduko v = 1.2m / s

Umurongo wumurongo: probe bishoboka f 90% umuvuduko v = 1m / s

isoko ya radio	Igikorwa cyangwa ubuziranenge
¹³⁷Cs	0.08MBq
⁶⁰Co	0.02MBq
²⁴¹Am	2.27MBq

3. Imikorere yo kurwanya interineti ya neutron detector

Iyo isoko ya 60Co itanga igipimo cyikigereranyo kuri geometrike ya sisitemu ya neutron detector yubuso bwa sisitemu yo kugenzura, irenga Sv / h 120, sisitemu yo kugenzura ntigomba gukurura impuruza ya neutron

4. Igipimo cyo gutabaza kubeshya: 0.01% (, neutron)

Birashoboka ko sisitemu yo gutahura iterwa nibintu bidafite radio cyangwa bitari SNM

5. ibiranga ibirenze

Iyo igipimo cyo hejuru ya detector igipimo ari> 120 Sv / h, sisitemu yo kugenzura igomba gukomeza gutabaza no gusubira inyuma, kandi igihe cyo kurekura kiri munsi ya 60.

6. Guhuza ibyiyumvo

Mubice byahantu hagaragara

Abanyamaguru ± 25% Gupakira umurongo ± 25%

Ibipimo byingenzi bya tekinike yo kumenya nuclide (bidashoboka)

Igipimo cyo kubeshya

Mu bidukikije bihamye:

Koresha icyerekezo cya sensor, inshuro 10000, igipimo cyo gutabaza 1

Utarinze gukoresha sensor yigarurira, igipimo cyo gutabaza kubeshya nigipimo cyo kutamenyekana bikoreshwa rimwe muri 12h

Response Imirasire

Kora inshuro 50, gutabaza inshuro 49

Biratangaje

Kurenga 100 v S / h, impuruza yumuriro mwinshi irasohoka ikanakurwaho muminota 1 nyuma yinkomoko

Imirasire iterwa na neutron

Nta mpuruza ya neutron iterwa mugihe igipimo cya γ-ray kigeze kuri 100 Sv / h

Ingaruka zinyuma

Iyo impinduka zinyuma ari nini bihagije kugirango itere impinduka nini mubishobora gutabaza, sisitemu yo gukurikirana igomba gutanga integuza

Kumenyekanisha Nuclide

Nuclide karemano	⁴⁰K 、²²⁶Ra 、²³²Th
Nuclide mu nganda	²⁴¹Am 、¹³⁷Cs 、⁶⁰Co 、⁵⁷Co 、²²Na 、¹³³Ba 、⁵⁴Mn 、⁸⁸Y
Nuclides	¹³¹I 、²⁰¹Tl 、²⁰³Hg 、¹⁸F 、^99mTc 、⁹⁹Mo 、¹⁹²Ir
Ibikoresho bya kirimbuzi bidasanzwe	⁵⁷Co 、¹⁵²Eu 、²³⁸U

Icyitonderwa: Kumenyekanisha Nuclide na neutron gutahura birahinduka, ntabwo biri muri sisitemu isanzwe

Icyitegererezo cya sisitemu

Igicapo 1. Gukurikirana imirasire hamwe nabanyamaguru

Igicapo 2. Ibikoresho byo gukurikirana imirasire y'abanyamaguru

Mbere: RJ32 Gutandukanya ubwoko bwimikorere myinshi ya radiyo

Ibikurikira: RJ31-7103GN Neutron / Gamma dosimeter yumuntu

Abatanga umwuga wo kumenya imirasire

Imyaka 15 Yuburambe