CS248297B1 - Thermal protection of gamma radiation detector for tubes' wall thickness measuring devices - Google Patents

Thermal protection of gamma radiation detector for tubes' wall thickness measuring devices Download PDF

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Publication number
CS248297B1
CS248297B1 CS833546A CS354683A CS248297B1 CS 248297 B1 CS248297 B1 CS 248297B1 CS 833546 A CS833546 A CS 833546A CS 354683 A CS354683 A CS 354683A CS 248297 B1 CS248297 B1 CS 248297B1
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CS
Czechoslovakia
Prior art keywords
ramm
gamma
thermal protection
tubes
detector
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CS833546A
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Czech (cs)
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CS354683A1 (en
Inventor
Christian Damm
Heinz Eulenfeldt
Wilfried Hammer
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Christian Damm
Heinz Eulenfeldt
Wilfried Hammer
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Application filed by Christian Damm, Heinz Eulenfeldt, Wilfried Hammer filed Critical Christian Damm
Publication of CS354683A1 publication Critical patent/CS354683A1/en
Publication of CS248297B1 publication Critical patent/CS248297B1/en

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    • G—PHYSICS
    • G12—INSTRUMENT DETAILS
    • G12B—CONSTRUCTIONAL DETAILS OF INSTRUMENTS, OR COMPARABLE DETAILS OF OTHER APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G12B15/00—Cooling
    • G12B15/02—Cooling by closed-cycle fluid-circulating systems
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B15/00—Measuring arrangements characterised by the use of electromagnetic waves or particle radiation, e.g. by the use of microwaves, X-rays, gamma rays or electrons
    • G01B15/02—Measuring arrangements characterised by the use of electromagnetic waves or particle radiation, e.g. by the use of microwaves, X-rays, gamma rays or electrons for measuring thickness
    • G01B15/025—Measuring arrangements characterised by the use of electromagnetic waves or particle radiation, e.g. by the use of microwaves, X-rays, gamma rays or electrons for measuring thickness by measuring absorption

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Length-Measuring Devices Using Wave Or Particle Radiation (AREA)
  • Thiazole And Isothizaole Compounds (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Measurement Of Radiation (AREA)

Description

11

Ha3BaHHe Η3θ6ρβΤβΗΗΗHa3BaHHe Η3θ6ρβΤβΗΗΗ

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Bce 3th HaeecTHbie TexHHnecKHe pemeHHH oSnaflaioT τθμ HenocTaTKOM, ητο οπη-caHHbie H3MepHTenbHbte πρΗβορωπρκ TeMnepaType HSMepaeMoro oSteKTa Bbíme trnupaBHoň 1123 K, Kax, HanpHMep, sto ημθθτ Μβοτο b nponecce ropHweň προκητκηTpy6, He MoryT Sonee npHMeHHTbCH 6e3 onacHocTH noBpe^fleHHH οβτβκτορβ raMMa-H3nyHeHHH hjih/h HCKaxceHHH pe3ynbTaTOB H3MepeHHň. 3to KacaeTCH b ocoSeHHoc-th Tex CJiynáeB, xorfla npH pa6oTaromHx c raMMa-HanyneHHeM npH6opax c flejibioyMeHbmeHHH HHTencHBHocTH HCTOHHHKa raMMa-H3JiyweHHH Meacfly τθππμμ oGbeKTOMH3MepeHHm η ΑβτβχτοροΜ raMMa—H3JiyHeHHa HeoSxoflHMbi HeGonbmHe paccTOHHHH. 248297 2BCE 3th HaeecTHbie TexHHnecKHe pemeHHH oSnaflaioT τθμ HenocTaTKOM, ητο οπη-caHHbie H3MepHTenbHbte πρΗβορωπρκ TeMnepaType HSMepaeMoro oSteKTa Bbíme trnupaBHoň 1123, Kax, HanpHMep hundred ημθθτ Μβοτο b nponecce ropHweň προκητκηTpy6, Ile Ballad Sone npHMeHHTbCH 6E3 onacHocTH noBpe ^ fleHHH οβτβκτορβ Ramm-H3nyHeHHH hjih / h HCKaxcHHH pe3ynbTaTOB H3MepeHHn. 3to KacaeTCH ocoSeHHoc b-th Tex CJiynáeB, xorfla NPH pa6oTaromHx Ramm c-c HanyneHHeM npH6opax flejibioyMeHbmeHHH HHTencHBHocTH HCTOHHHKa Ramm-H3JiyweHHH Meacfly τθππμμ oGbeKTOMH3MepeHHm η ΑβτβχτοροΜ Ramm-H3JiyHeHHa HeoSxoflHMbi HeGonbmHe paccTOHHHH. 248297 2

U£2ž_222ÉSeTeHHHU ž 2ž2222SeTeHHH

Hanb H3o6peTeHHH 3axnronaeTca b tom, htoSh oSecneaHTb οφφεχτΗΒκγιο 3anpiTy otnospescpeHKa h pa3pymeHHa BcnepcTBue TennoBoro H3nyneHHH ρετεκτορβ raMMa-H3JiyqeHHH pna paGoTaroiUHx c' raMMa-H3nyneHHeM npHGopďs Rna H3MepeHHa TomnHHbíοτθηοκ HarpeTbix ro 1123 K u Bbnne Tpy6, HanpHMep, bo BpeMa npopecca ropaaeflnpoKaTKH, h HCKJiroanTh HcxaxeHHe pe3ynbTaTa H3MepemiH BcnepcTBHe BO3peňcT-bhh TennoBoro H3nyaeHHH, a Taxnce csecTH ro MHHHMyMa paccTOHHHe Mentpy oGtex-tom Η3ΜβρβΗΗΗ η ρβτβχτοροΜ raMMa-H3nyneHHa.Shame H3o6peTeHHH 3axnronaeTca b that htoSh oSecneaHTb οφφεχτΗΒκγιο 3anpiTy otnospescpeHKa h pa3pymeHHa BcnepcTBue TennoBoro H3nyneHHH ρετεκτορβ Ramm-H3JiyqeHHH PNA paGoTaroiUHx c 'Ramm-H3nyneHHeM npHGopďs Rna H3MepeHHa TomnHHbíοτθηοκ HarpeTbix ro 1123 at Bbnne Tpy6, HanpHMep bo BpeMa npopecca ropaaeflnpoKaTKH h HCKJiroanTh HcxaxeHHe pe3ynbTaTa H3MepemiH BcnepcTBHe BO3peňTT-bhh TennoBoro H3nyaeHHH, and Taxnce csecTH ro MHHHMyMa paccTOHHHe Mentpy oGtex-Η3ΜβρβΗΗΗ η ρβτβχτοροΜ raMMa-H3nyneHHa.

3Síí22í:552_2Z3522I2_2222EeIeH2H3Set22: 552_2Z3522I2_2222EeIeH2H

TexHHHecxaa gagaga, pemaeMaa H3o6peTeHneMTexHHHecxaa gagaga pemaeMaa H3o6peTeHneM

TexHHnecxaa 3apaaa 3axmonaeTca b tom, htóGm co3paTb Rna peTexTopa raMMa-H3JiyaeHHH, npeHMymeCTBeHHO CpHHpHJinapHOHHblX 3OHflOB HPH HOHH3apHOHHblX xaMep,npHGopa pna H3MepeHHH TOJimHHbí οτθηοκ BbicoK03<HeKTHBHyio sanpiTy ot TennoBoroH3JiyneHHH, τβκ htoGm npnGop Rna H3MepeHHa tojuhhhh οτβκοκ μογ 6ω πρημθηητι»-ca 6e3 onacHocTH ero noBpeiKpeHHa h 6e3 HcxaaceHHa pe3ynbTaTa H3MepeHHa hřípu TeMnepaTypax H3MepeHHB Bbnne hjih paBHoň i 123 K. ΠρΗ3Η3ΧΗ_Η3θ6ρβΤβΗΗΗ flna H3MepnTejií>Horo npHĎopa pna onpepeneHHa τοηπρίΗω οτθηχη τεπηωχ TpyG noc-peflCTBOM aGcopGpHH raMMa-HanyneHHa c ňcnonb3OBaHneM HCTOHHHxa raMMa-H3nyne-hhh c onpepeneHHoft ηητθηοιβηοοτμο, pacnonosceHHoro b jiioGom MecTe oG-bexTaH3MepeHHH, h peTexTopa raMMa-H3nyaeHHa Ha τοηηο npoTHBononoxHoft CTopoHe pnanpHeMa ocnaGneHHoň oGbexTOM H3MepeHHa iuiothocth raMMa—H3nyneHHa 3anurra otTennoBoro oGnyneHna peTexTopa raMMa-HsnyneHHa, b ocoGeHHOcTH cpHHpHnnapH-ΟΗΗΟΓΟ 30Hfla HJIH HOHH3apHOHHOří XaMepbl pemaeTCH, C OpHOÍí CTOpOHbl, 33 C«reTτογο, hto ρετβχτορ raMMa-H3nyneHHa noMemaeTca b HecymeM h 3anpimaiomeM H3Me-pHTejibHoe ycTpoňCTBO ot Mexaromecxoro noBpencpeHHa pepncaTene, nojibíM BHyT~pH h npoBOflaiUHM šopy c onpefleJieHHHM ptaBJíeHHeM b xanecTBe oxnampaHxnero cpep-cTBa, b pe3yjibTaTe aero ρβτβχτορ raMMa-H3JiyaeHHa oxnawpaeTCH πρημημ ny-τεΜ. Πομημο 3Toro cornacHO Η3θ6ρβτεΗΗΐο BO3fleňcTBHe TennoBoro H3JiyaeHHa,npoHHxaromero aepe3 OTBepcrae b xope raMMa-nyneft pepacaTena peTexTopa γ&amp;μ-Ma-H3JiyneHHa yMeHbmaeTca sa cneT cHJiHxaTHoro iJiHHbTpa, noMemaeMoro MeatpyTenJioH3Jiyaawmeň TpySoň H peTexTopoM^aMMa—H3nyneHHa J πρκ 3Tom Taxace poc~•raraeTca CBepeHHe po MHHHMyMa paccToaHHH Meatpy oGbexTOM H3MepeHHH h pe-τθχτορομ raMMa-H3nyHeHHH, B pe3ynbTaTp aero HHTeHCHBHocTb papnoaxTHBHoroHCTOHHHXa MOJKeT IIOppepJKHBaTbCH pOCTaTOHHO HeČOJIbinoft. flanee cornacHo Η3θ6ρβτβΗΗΐο 3φφβχτΗΒΗ3Η 3amHTa peTexTopa ráMMa-HanyneHHaot TennoBoro H3nyaeHHa'pocraraeTca b peaynbTaTe τογο, hto b MecTe H3Mepe-hhé B TexHOJiorHaecxoM npopecce ropaneň npoxáTXH Tpy6 BCTpoeHa npoMencyTOH-Haa peTanb ponbraHra, HMeramaa pBoňHHe CTeHXH', Meacpy χοτορμμη προτβχββτBopa c onpepejieHHMM paBpeHHeM, npHHeM 3Ta npoMeacyTOHHaa peTajib ημθθτ ne-Gojibmoe oTBepcrae Tonbxo b MecTe Bxopa h Buxopa nyneft, htoGu He ponycxaTbc npHHHHHoÉ CBH3bto 0CJia6peHHH papHoaxTHBHoro HSJíyaeHHa npoMeacy tohhoh pe-Tajibio ponbraHra. 248297 3 IIpHMep ocyqecTBJíeHMH Η3θ6ρβτβΗΗΗTexHHnecxaa 3apaaa 3axmonaeTca b that htóGm co3paTb Rna peTexTopa Ramm-H3JiyaeHHH, npeHMymeCTBeHHO CpHHpHJinapHOHHblX 3OHflOB GVA HOHH3apHOHHblX xaMep, npHGopa PNA H3MepeHHH TOJimHHbí οτθηοκ BbicoK03 <HeKTHBHyio sanpiTy ot TennoBoroH3JiyneHHH, τβκ htoGm npnGop Rna H3MepeHHa tojuhhhh οτβκοκ μογ 6ω πρημθηητι »-c 6E3 onacHocTH ero noBpeiKpeHHa h 6E3 HcxaaceHHa pe3ynbTaTa H3MepeHHa hřípu TeMnepaTypax H3MepeHHB Bbnne hjih paBHoň and 123 K. ΠρΗ3Η3ΧΗ_Η3θ6ρβΤβΗΗΗ flna H3MepnTejií> Horo npHĎopa PNA onpepeneHHa τοηπρίΗω οτθηχη τεπηωχ TpyG night-peflCTBOM aGcopGpHH Ramm-c HanyneHHa ňcnonb3OBaHneM HCTOHHHxa Ramm-H3nyne-hhh onpepeneHHoft ηητθηοιβηοοτμο c, b pacnonosceHHoro jiioGom MECT oG-bexTaH3MepeHHH H peTexTopa Ramm-Ha H3nyaeHHa τοηηο npoTHBononoxHoft CTopoHe pnanpHeMa ocnaGneHHoň oGbexTOM H3MepeHHa iuiothocth Ramm-H3nyneHHa 3anurra otTennoBoro oGnyneHna peTexTopa Ramm-HsnyneHHa b ocoGeHHOcTH cpHHpHn until a pH-ΟΗΗΟΓΟ 30Hfla HJIH HOHH3apHOHHOří XaMepbl pemaeTCH C OpHOÍí CTOpOHbl 33 C «reTτογο, HTO ρετβχτορ Ramm-H3nyneHHa noMemaeTca b HecymeM h 3anpimaiomeM H3Me-pHTejibHoe ycTpoňCTBO ol Mexaromecxoro noBpencpeHHa pepncaTene, nojibíM BHyT ~ pH h npoBOflaiUHM petroleum base c onpefleJieHHHM ptaBJíeHHeM b xanecTBe oxnampaHxnero cpep-cTBa, b pe3yjibTaTe aero ρβτβχτορ raMMa-H3JiyaeHHa oxnawpaeTCH πρημημ ny-τεΜ. Πομημο 3Toro cornacHO Η3θ6ρβτεΗΗΐο BO3fleňcTBHe TennoBoro H3JiyaeHHa, npoHHxaromero aepe3 OTBepcrae b xope Ramm-nyneft pepacaTena peTexTopa γ &amp; μ-Ma-H3JiyneHHa yMeHbmaeTca the CNet cHJiHxaTHoro iJiHHbTpa, noMemaeMoro MeatpyTenJioH3Jiyaawmeň TpySoň H peTexTopoM ^ amma-H3nyneHHa J πρκ 3Tom Taxation poc ~ • raraeTca CBepeHHe after MHHHMyMa paccToaHHH Meatpy oGbexTOM H3MepeHHH h pe-τθχτορομ raMMa-H3nyHeHHH, B pe3ynbTaTp aero HHTeHCHBHocTb papnoaxTHBHoroHCTOHHHXa MOJKeT IIOppepJKHBaTbCH flanee cornacHo Η3θ6ρβτβΗΗΐο 3φφβχτΗΒΗ3Η 3amHTa peTexTopa Ramm-HanyneHHaot TennoBoro H3nyaeHHa'pocraraeTca b peaynbTaTe τογο, HTO b MECT H3Mepe-HHE B TexHOJiorHaecxoM npopecce ropaneň npoxáTXH Tpy6 BCTpoeHa npoMencyTOH HAA peTanb ponbraHra, HMeramaa pBoňHHe CTeHXH 'Meacpy χοτορμμη προτβχββτBopa c onpepejieHHMM paBpeHHeM, npHHeM 3TA npoMeacyTOHHaa peTajib ημθθτ not-Gojibmoe oTBepcrae Tonbxo b MecTe Bxopa h Buxopa nyneft, htoGu He ponycxaTbc npHHHHHoÉ CBH3bto 0CJia6peHHH papHoaxTHBHoro HSJiyaeHHa npoMeacy tohhoh pe-Tajibio ponbraHra. 248296 3 IIpHMep ocyqecTBJíeHMH Η3θ6ρβτβΗΗΗ

Hnáte Η3θ6ρβτβΗΗβ Cojiee noflpoSHo oCtacHrteTCH Ha npHMepe npHHííHriHajibHoro;ΓρβφΗΗβΟΚΟΓΟ H3o6paaceHHH.You drive θ3θ6ρβτβΗΗβ Cojiee noflpoSHo oCtacHrteTCH Ha npHMepe npHHííHriHajibHoro; ΓρβφΗΗβΟΚΟΓΟ H3o6paaceHHH.

Ha rpagaraecKOM HsoCpaateHHH noxa3aHa nelámán Ha pojibraHre hjih nepeMemaramaH-CH B npOffOJIbHOM ΗΗΠρβΒΗβΗΗΗ Tpy6a 6, ΟΚΡΥΤΚβΗΗΗΗ B ΜβΟΤβ Η3ΜβρβΗΗΗ ΠρΟΜβ“«γτοΗΗοή fleTanbK) pojihraHra 5, HMetomeň qBoňHbie CTeHKH, Meacqy kotopumh npo-TeKaeT Boqa. npoMeatyTOHHaa qeTaiib pojibraHra 5 c obhhm BepxHHM η ο«ηημ hhjk-HHM OTBepCTHHMH BbttlQJIHeHa T3K, HTO HpXOflHmHe OT HCTOHHHKa raMMa-H3JiyHeHHH7 raMMa-JiyHH MoryT npoxóflHTb uepe3 3Ty qeTajib b xoqe raMMa-Jiýneft 4 6e3ocnaCjieHHH. npoxoflamee wepe3 HHxHee oTB-epcrae npoMeatyToHHoň fleTajra ponb“raHra 5 raMMa-HajiyneHHe h Hcxoflamee ot Tpy6u 6 TermoBoe HaJiyneinie nonaflanlOT Ha pacnanoJKeHHbift b xoqe raMMa-Jiyneň 4 CHJiHKaTHbifl φκιιπτρ 3, onHparomHňcnna qepacaTejib 1 . Αβτβκτορ raMMa-H3Jiy*ieHHH 2 noMemeH b nojibiň, CHa6atenHbiiinOflBOflOM a OTBOflOM BOflbl, OMblBaeMblň H3HyTpH BOflOň flepMTejIb 1 H OMblBaeTCHBOflOH, ®2Eiffi52_S2°®EEI®SS5Ha rpagaraecKOM HsoCpaateHHH noxa3aHa nelámán Ha pojibraHre hjih nepeMemaramaH CH npOffOJIbHOM ΗΗΠρβΒΗβΗΗΗ Tpy6a B 6, B ΟΚΡΥΤΚβΗΗΗΗ ΜβΟΤβ Η3ΜβρβΗΗΗ ΠρΟΜβ "« γτοΗΗοή fleTanbK) pojihraHra 5 HMetomeň qBoňHbie CTeHKH, Meacqy kotopumh NPO-TeKaeT Boqa. npoMeatyTOHHaa qeTaiib pojibraHra 5c obhhm BepxHHM η ο «ηημ hhjk HHM-OTBepCTHHMH BbttlQJIHeHa T3K, HTO HpXOflHmHe HCTOHHHKa Ramm OT-H3JiyHeHHH7 Ramm-JiyHH Ballad npoxóflHTb uepe3 3Ty qeTajib b xoqe Ramm-4 Jiýneft 6e3ocnaCjieHHH. npoxoflamee wepe3 HHxHee oTB-epcrae npoMeatyToHHoon fleTajra ponb "raHra 5 raMMa-HajiyneHHe h Hcxoflamee ot Tpy6u 6 TermoBoe HaJiyneinie nonaflanlOT Ha pacnanoJKeHHbift b xoqe raMMa-Jiyne 4 CHJiHKaTHbifl φκιιπτρ 3, on Αβτβκτορ raMMa-H3Jiy * ieHHH 2 noMemeH b nojibiň, CHa6atenHbiiinOflBOflOM and OTBOflOM BOflbl, OMblBaeMblň H3HyTpH BOflOn flepMTejIb 1 H OMblBaeTCHBOflOH

TennosaH 3aqHTa pn.fi fleTeKTopa raMMa-H3JiyweHHH ycTpoftcŤBa ajih H3MepeHHHTonmHHbí cTeHOK Tpy6, npeHMymeCTBeHHo c cflHHflHJinHflHOHHbíM 3Ohaom hjih hohh-3auHOHHoň KaMepoň b xanecTBe fleTexTopa raMMa-H3JÍyneHHH, ajih οπρερ,&amp;πβΗΗΗTOJBUHHbí CTeHOK τβηπωχ, HenoflBHJKHbix hjih nepeMemaioinHxCH b npoflOJibHOM HanpaB-jieHHH Tpy6, npnneM TeMnepaTypa MoaceT CbiTb Bbnne hjih paBHoň 1123 K, a pac-CTOHHHe Meagiy Teruioň Tpy6oň η ΑβτβκτοροΜ HsjíyneHHH CBefleHo no MHHHMyMa,xapaKTepH3yeTC« τβΜ, ητο ηβτβκτορ raMMa-HaJiyneHHH 2 noMema-eTCH b HecymeM h aamHmaromeM H3MepHTejibHoe ycTpoňcTBo ot MexatomecKoro nos-peatqeHHH. qepacaTejie 1, noJibíM BHyTpn η προβοαηπιημ BOfly cflaBJíeHHeMOT 105flo 2x10* Ila, hto b xoqe raMMa-Jiyneň 4 nepe« bxoaom raMMa-H3JiyHeHHH b fle-τβκτορ raMMa—HaJiyHeHHH 2 HaxoflHTCH cHJiHKaTHbiři, a6cop6HpyiomHň h oTpaacaiomHfiTeiuioBoe HaJiyněHHe, npoHHfláeMbiň ajíh raMMa-Jiyneň Φηπβτρ 3, h hto b MecTeH3MepeHH« Tpy6a 6 oKpyateHa npoMeatyTOHHofl fleTajibio poJibraHra 5, HMeiomeňHBoftHbie CTeHKH, Meatny κοτορημη προτβκββτ Bona c flasneHneM ot 10* po 2xxlO na, h cHaSweHHoft oTBepcraeM απη sxofla h Bbixofla raMMa-H3JiyneHHH. K 3T0My 1 jihcť nepTeaceňTennosaH 3aqHTa pn.fi fleTeKTopa Ramm-H3JiyweHHH ycTpoftcŤBa ajih H3MepeHHHTonmHHbí cTeHOK Tpy6, npeHMymeCTBeHHo c cflHHflHJinHflHOHHbíM 3Ohaom hjih HOHH-3auHOHHoň KaMepoň b xanecTBe fleTexTopa Ramm-H3JÍyneHHH, ajih οπρερ, &amp; πβΗΗΗTOJBUHHbí CTeHOK τβηπωχ, HenoflBHJKHbix hjih nepeMemaioinHxCH b npoflOJibHOM HanpaB-jieHHH Tpy6, npnneM TeMnepaTypa MoaceT CbiTb Bbnne hjih paBHoň 1123, and pac-CTOHHHe Meagiy Teruioň Tpy6oň η ΑβτβκτοροΜ HsjíyneHHH CBefleHo well MHHHMyMa, xapaKTepH3yeTC «τβΜ, ητο ηβτβκτορ Ramm-2 HaJiyneHHH noMema etch b HecymeM h aamHmaromeM H3MepHTejibHoe ycTpoňcTBo OT-peatqeHHH MexatomecKoro nose. qepacaTejie 1 noJibíM BHyTpn η προβοαηπιημ BOfly cflaBJíeHHeMOT 105flo 2x10 * IIa HTO b xoqe Ramm-Jiyneň 4 NEP «bxoaom Ramm-H3JiyHeHHH b FLE-τβκτορ Ramm-HaJiyHeHHH 2 HaxoflHTCH cHJiHKaTHbiři, a6cop6HpyiomHň h oTpaacaiomHfiTeiuioBoe HaJiyněHHe, npoHHfláeMbiň ajíh Ramm-Jiyneň Φηπβτρ 3 h hto b MecTeH3MepeHH «Tpy6a 6 oKpyateHa npoMeatyTOHHofl fleTajibio poJibraHra 5 HMeiomeňHBoftHbie CTeHKH, Meatny κοτορημη προτβκββτ Bona flasneHneM c * after 10 rpm at 2xxlO h cHaSweHHoft oTBepcraeM απη sxofla h Bbixofla Ramm-H3JiyneHHH. To 3T0My 1 to Southwest

PesioMePesioMe

TeruioBaH 3amtHTa psin qeTeKTopa raMMa-H3JiyneHHH ycTpoňcTBa απη HSMepeHHHTOJimHHbí CTeHOK Tpy6 H3o6peTeHHe KacaeTca 3amňTu Αβτβκτορβ raMMa-H3JiyneHHH ot Teiuiosoro H3Jiyne-HHH.THMaa-H3JiyneHHH ycT(cTBa απη HSMepeHHHTOJimHHbi CTeHOK Tpy6 H3o6peTeHHe KacaeTca 3 amnTu Αβτβκτορβ raMMa-H3JiyneHHH ot Teiuiosoro H3Jyne-HHH.

Uejib Η3θ6ρβτβΗΗΗ aaionoHaeTCH b tom, mtoCh samHTHTb Αβτβκτορ raMMa-H3JiyHe-HHH B npHCopaX flJIH Η3ΜβρβΗΗΗ TOJIQHHbl CTeHOK Tennux Tpy6, paCoTaumHx C raM-Ma-H3JiyHeHHeM, οτ noBpeatfleHHH h paspymeHHH, πρβαοτβρβτΗΤΒ HcxaaceHHe pe-ayjibTaTOB H3MepeHHň, a Taxate ceecTH po MHHHMyMa paccTOHHHe Meatqy oCtexTOMHSMepeHHH Η «βΤβΚΤΟρΟΜ H3JiyneHHH. 248297- 4Uejib Η3θ6ρβτβΗΗΗ aaionoHaeTCH b that mtoCh samHTHTb Αβτβκτορ Ramm H3JiyHe-HHH-B npHCopaX flJIH Η3ΜβρβΗΗΗ TOJIQHHbl CTeHOK Tennux Tpy6, paCoTaumHx C-H3JiyHeHHeM Ramm, οτ noBpeatfleHHH h paspymeHHH, πρβαοτβρβτΗΤΒ HcxaaceHHe PE ayjibTaTOB H3MepeHHň and after tax ceecTH MHHHMyMa paccTOHHHe Meatqy oCtexTOMHSMepeHHH Η «βΤβΚΤΟρΟΜ H3JiyneHHH. 248297- 4

Saflaua pemaerca aa οηετ Tóro, mto ββτεκτορ raMMa-HSJíyneHHH noMemaeTCa bnepscaTene H3MepnTejtbHoro ycTpoftcTBa,' npHweM btot flepscaToni» nojaiň ΒΗγτρηh OMbiBaeTCH H3nyTpn Bofloft c onpéfleneHHbJM flasjíeroseM, hto cHJiHKaTHwň φΗ«ι>τρ3aiUHmaeT «ετεκτορ raMMa-H34yn8HHH οτ τεηποΒΟΓο H3JiyneHH« η b Μβετε Η3κε~peiiHH ο6τ.εκτ H3Mepen«n oKpyxeH npoMexyTouHoň neTanbro pantraHra, HMeromeflABoňHbia ctbhkh, Mestfly KOTopMMM npoTexaeT sofla c onpenenenHHM flaBnetnieM. ΠρΗ3ΗβΗΟ Η3θ6ρετεΗΗεΜ ΠΟ pesyJlbTaTaM 3KCnepTH3bl, OCyHeCTBJíeHlHOft BeflOMCT“bom no nenaM Η3θ6ρετεΗΗ<ί η πβτεητοΒ ΓβΡ. 248297Saflaua pemaerca aa οηετ Toro MTO ββτεκτορ Ramm-HSJíyneHHH noMemaeTCa bnepscaTene H3MepnTejtbHoro ycTpoftcTBa, 'npHweM blot flepscaToni »nojaiň ΒΗγτρηh OMbiBaeTCH H3nyTpn Bofloft c onpéfleneHHbJM flasjíeroseM, HTO cHJiHKaTHwň φΗ« ι> τρ3aiUHmaeT «ετεκτορ Ramm-H34yn8HHH οτ τεηποΒΟΓο H3JiyneHH« η b Μβετε Η3κε ~ peiiHH ο6τ.εκτ H3Mepen «n oKpyxeH npoMexyTouHo neTanbro pantraHra, HMeromeflABonHbia ctbhkh, Mestfly KOTopMMM npoTexaeT sofla c onpenenenHHM flaBnetnieM. ΠρΗ3ΗβΗΟ Η3θ6ρετεΗΗεΜ ΠΟ pesyJlbTaTaM 3KCnepTH3bl, OCyHeCTBJíeHlHOft BeflOMCT “bom no nenaM Η3θ6ρετεΗΗ <ί η πβτεητοΒ ΓβΡ. 248297

Claims (1)

248 297 P fi E D Μ E T VYNÁLEZU Tepelná ochrana pro detektor gama-záření zařízení naměření tloušťky stěn trub, především s válcovou sondounebo Ionizační komorou jako detektor gama-záření, k ur-čování tlouštky stěn teplých, nepohyblivých nebo pohybují-oíoh se trub v podélném směru, přičemž teplota y<tvyšší nebo rovná 1123 °K a vzdálenost mezi teplou troubou ,a detektorem záření je stažena na minimum, vyznačující setím, že detektor (2) gama-záření je umístěn v nosném a před*mechanickým poškozením ochranném držáku (1) měřicího zaří-zení, v němž je vytvořena dutina pro tlakovou vodu o tlakuod 10^ a 2 x 10^ Pa, přičemž na vstupu (4) před detektorem(2) je umístěn silikátový absorbční filtr (3) odrážejícítepelné zářeni a propustný pro gama-zaření, a v místě měřeníje trouba (6) obklopena mezisoučásti (5) válečkového doprav-níku tvořenou dvojitými stěnami pro tlakovou vodu o tlaku10^ - 2 x 10^ Pa a opatřenou otvorem pro vstup a výstupgama-záření·FIELD OF THE INVENTION Thermal protection for a gamma-ray detector a device for measuring the thickness of pipe walls, in particular with a cylindrical probe or an ionization chamber as a gamma-ray detector, for determining the thickness of warm, stationary or moving pipes in longitudinal tubes. direction, with the temperature y < = 1123 &lt; 0 &gt; K and the distance between the hot oven and the radiation detector being minimized, characterized in that the gamma-ray detector (2) is located in the carrier and prior to mechanical damage by a protective holder (1 ) of a measuring device in which a pressurized water cavity is formed having a pressure of 10 and 2 x 10 4 Pa, wherein a silicate absorbent filter (3) is placed at the inlet (4) in front of the detector (2), reflecting the radiant radiation and permeable to gamma the radiation, and at the measuring point, the oven (6) is surrounded by an intermediate part (5) of a roller conveyor consisting of double walls for pressure water of 10 ^ - 2 x 10 Pa Pa and equipped with an inlet and outlet hole záření ·
CS833546A 1982-06-30 1983-05-19 Thermal protection of gamma radiation detector for tubes' wall thickness measuring devices CS248297B1 (en)

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DD24123582A DD208495A3 (en) 1982-06-30 1982-06-30 HEAT PROTECTION FOR THE GAMMA RAY DETECTOR OF A TUBE THICKNESS MEASURING DEVICE

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US5164048A (en) * 1990-08-29 1992-11-17 Measurex Corporation Cooling structure for stabilizing the temperature of beams in a sheet-making apparatus
CN104180780B (en) * 2014-09-05 2017-01-25 哈尔滨工业大学 High-temperature liquid container wall thickness monitoring system and method based on infrared thermal images
US10073446B1 (en) * 2016-05-26 2018-09-11 Daniel Wayne Snow Modular quality control center assembly for tubulars
CN109935376B (en) * 2017-12-18 2022-06-28 中国核动力研究设计院 Quantification method for instrument damage caused by beta rays in severe accident of nuclear power plant

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