DOCSLIB.ORG

Proceedings of Ntific-Technical Conference

Total Page：16

File Type：pdf, Size：1020Kb

Download full-text PDF Read full-text
Proceedings of Ntific-Technical Conference IMlS- 36.- BG9600391 PROCEEDINGS OF NTIFIC-TECHNICAL CONFERENCE TO THE20-th ANNIVERSARY OF KOZLODUY NPP A/VITH INTERNATIONAL PARTICIPATION г\ OCTOBER 25-26, 1994 •4 KOZLODUY, BULGARIA We regret that some of the pages in this report may not be up to the proper legibility standards, even though the best possible copy was used for scanning PROCEEDINGS OF A SCIENTIFIC-TECHNICAL CONFERENCE DEDICATED TO THE 20-th ANNIVERSARY OF KOZLODUY NPP WITH INTERNATIONAL PARTICIPATION The material in this document has been supplied by the authors and has not ben edited. The views expressed remain the responsibility of the named authors. Neither the publsher, nor any other organization or body sponsoring the conference can be held responsible for any material reproduced in this document. OCTOBER 25-26,1994 KOZLODUY, BULGARIA To Prof. Dr. Tsvetan Bontchev, a man of human character and a scientist with appreciation and gratitude Staff of Kozloduy NPP SCIENTIFIC COMMITTEE Chairman: Sofia University, Chairman of Bulgarian Nuclear Prof. Dr.Sc. Tsvetan Bonchev Society Scientific Secretary: Dipl. Eng. Ljubomir Kosturkov Director of HTC - Koztoduy NPP Members: Dipl. Eng. Zakhary Bojadjiev Head of Technical Support and Development Division -Kozloduy NPP M.Sc. Aleksey Aleksiev Head of Safety Division - Kozloduy NPP Ph.D. Sergey Tsochev Head of Radiation Environment Monitoring Department -Kozloduy NPP, Chairman of Bulgarian Nuclear Society - branch Kozloduy NPP Dipl. Eng. Georgy Valchev Senior Expert in RP, Engineering Support Division-1, Kozloduy NPP Dipl. Eng. Nikolay Todorov Head of Radiation Safety Section, Engineering Support Division-2 -Kozloduy NPP Sr.Res Assoc.Ph.D. Borislav Dimrtrov ENERGOPROEKT, Sofia Res.Assoc. Bogomil Manchev RISK ENGINEERING Ltd, Sofia Assoc.Prof.Ph.D. Emil Vapirev Sofia University Sr.Res.Assoc.Ph.D. Tikhomir Apostolov Institute of Nuclear Research and Nuclear Energy, Sofia Prof., D.Sc. Stefan Vodenicharov Institute of Metal Sciences • BAS, Sofia, Deputy Chairman of Bulgarian Nuclear Society Prof.M.Sc.D. Georgy Vassilev National Centre of Radiobiology and Radiation Protection, Sofia Lt.-Col. Valentin Angelov Civil Defence Administration, Sofia Dipl. Eng. Sabin Sabinov Head of Engineering Support Division -1, Kozloduy NPP Dipl. Eng. Kiril Nikolov Head of Engineering Support Division - 2, Kozloduy NPP Assoc. Prof. Georgy Glukhov Technical University, Sofia NEXT PAGE(S) I left BLANK I 3 CONTENTS Welcoming speech delivered by Prof. Dr. Tsvetan Bonchev, Chairman of Bulgarian Nuclear Society 11 1. SAFETY OF NPPs WITH REACTORS VVER-440 AND VVER-100 TYPE 1.1 General Problems, Probabilistic Analysis, Prognosis 1.1.1 Plenary Session 1.1.1.1 K. Kouzmanov POSITIVE AND NEGATIVE ASPECTS OF KOZLODUY NPP (KOZLODUY NPP) 13 1.1.1.2 RemyKarl WELCOMING SPEECH (WANO) 19 1.1.1. 3 E. Balabanov, SAFETY OF NPP WITH WWER-440 AND WWER-1000 /. Gledachev, D. Angelov REACTORS (ENERGOPROEKT, KOZLODUY NPP) 21 1.1.1.4 A. Boladjlev, B. Manchev PROBABILITY SAFETY ASSESSMENT OF UNITS 5 & 6 IN NPP KOZLODUY (RISK ENGINEERING Ltd) 33 1.1.1.5 M. lankov, I. Grizanov, KOZLODUY NPP - ITS 20 YEARS' OPERATIONAL S. Sabinov EXPERIENCE (KOZLODUY NPP) 41 1.1.1.6 N. Shervashidze ECONOMICAL, POLITICAL AND SOCIAL ASPECTS OF ATOMIC ENERGY IN BULGARIA (COMMITTEE OF ENERGY) 49 1.1.1.7 /. lanev NUCLEAR SAFETY, INTERNATIONAL COOPERATION AND PERSPECTIVES OF BULGARIA (COMMITTEE ON PEACEFUL USE OF A TOMIC ENERGY) 51 1.1.1.8 T. Smith MODERNIZATION OF VVER-1000 RADIATION MONITORING SYSTEMS (SORRENTO ELECTRONICS) 55 1.1.1.9 V. Fedorov, M. Rogov, SAFETY PROBLEMS OF NPPs WITH REACTORS OF G. Birlukov NEW GENERATION (GIDROPRESS) 63 1.1.1.10 V. Molchanov, G. Blriukov, NPP WITH REACTORS VVER-1000 TYPE: TODAY AND V. Novak TOMORROW (GIDROPRESS) 71 1. 1. 1. 11 N. Melnikov PROBLEMS CONCERNING THE SAFETY AND UPGRADING OF NPPs WITH REACTORS VVER- 440 / V-230 TYPE (GIDROPRESS) 77 1.1.1.12 J.EIterandCo SAFETY REASSESSMENT OF THE PAKS NPP (PAKS) 87 1.1.1.13 A. A. Abagyan, EXPERIENCE IN SCIENTIFIC GUIDANCE OF V. A. Kazakov, STARTING-UP AND ATTENDING AT NPP OPERATION L V. Kryakvln WITH VVER-REACTORS (VNIIAES) 101 1.1.1.14 I. A. Boyev, A. M. Sabltov, SUBSTANTIATION OF OPERATION LIMITS OF V. I. Salkov, O. S. Sudarev, REACTIVITY INSERTION AT VVER-1000 REACTORS A. M. Yakovlev STARTING-UP (ATOMTEKHENERGO) 107 1.1.2 Posters 1.1. 2.1 J. Katzarov, B. Manchev DEVELOPMENT OF INFORMATION SYSTEM OF KOZLODUY NPP (RISK ENGINEERING Ltd) 115 1.1. 2. 2 Q. Halev, N. Chrlstov SAFETY SYSTEMS I&C EQUIPMENT RELIABILITY ANALYSES OF UNIT 3 AND 4 OF KOZLODUY NPP (RISK ENGINEERING Ltd) 119 1.1. 2. 3 B. Mar/nova I & С RELIABILITY ANALYSIS IN SAFETY SYSTEMS AT UNITS 5&6 OF KOZLODUY NPP (RISK ENGINEERING Lid) 123 1.1.2.4 B.Ka/chev RELIABILITY ANALYSIS OF THE RECONSTRUCTED SAFETY SYSTEMS FOR UNIT II OF KOZLODUY NPP WITH REACTOR VVER-440/V-230 (ENERGOPROEKT) 127 1.1.2.5 R. Hrlstova, B. Kalchev, EXPERIENCE BASED ON THE RESEARCHES OF B. Dlmltrov, D. Nedialkova, SYSTEMS AND EVENTS ON THE UNITS 1 -4 OF A. Sonev KOZLODUY NPP FROM THE RELIABILITY VIEWPOINT (ENERGOPROEKT, KOZLODUY NPP) 135 1.1.2.6 B. Kalchev, M. Marinov, PROBABILISTIC SAFETY ANALYSIS OF VVER-440 I-IV B.Dlmltrov, K. Avdjiev UNITS OF KOZLODUY NPP DURING USAGE OF INDEPENDENT EMERGENCY FEEDWATER SYSTEM (ENERGOPROEKT) 143 1.1.2.7 N. Pange/ov MODELLING AND SIMULATION OF PROCESS CONTROL SYSTEMS FOR VVER (ENERGOPROEKT) 149 1.1.2.8 M. Illeva HUMAN RELIABILITY ANALYSIS AS PART OF PROBABILISTIC SAFETY ASSESSMENT - LEVEL 1 FOR KOZLODUY-3 NPP (RISK ENGINEERING Ltd) 157 1.1.2.9 I. D. lordanov, Y.Ch.Hrlstov INTEGRATED COMPUTER CODES FOR NUCLEAR POWER PLANT SEVERE ACCIDENT ANALYSIS (INRNE-BAS) 165 1.2 Problems Concerning Metal, Data and Analysis of Particular Systems 1.2.1 Plenary Session 1.2. 1.1 S. Vodenlcharov, KOZLODUY NPP WWER-440/230 REACTOR Tz. Kamenova, P. Tzokov, PRESSURE VESSEL RADIATION LIFE TIME A. Vldenov, B. Pekov (INSTITUTE OF METAL SCIENCES, KOZLODUY NPP, COMMITTEE ON PEACEFUL USE OF ATOMIC ENERGY) 183 1.2.1.2 T. Apostolov, Kr. Illeva, NEUTRON FLUENCE DETERMINATION FOR AN S. Belousov, T. Petrova, ASSESSMENT OF OPERATION EFFECTIVENESS K. Ivanov, R. Prodanova, AND PREDICTION OF THE VVERs PRESSURE Iv. Penev, E. Taskaev, VESSEL LIFE TIME AT KOZLODUY NPP (INRNE, Iv. Ivanov, P. Tsokov, KOZLODUY NPP) 189 N. Nelov, B. Lilkov, V. Tsocheva, M. Monev, V. Vellchkov, Tsv. Hara/ampieva 1.2.1.3 Z. Boyadjlev, NUCLEAR FUEL UTILIZATION IN KOZLODUY NPP Ts. Haralampleva, (KOZLODUY NPP) 201 Ts. Pejchlnov 1.2.2 Posters 1.2.2.1 /. Pechenjakov, Y.Georglev IMITATION STUDYING METHODS IN THE RADIATION METALLOGRAPHY (INSTITUTE OF METAL SCIENCES) 217 1.2.2.2 Ch. Andreyev, NITRIDED STEEL WITH INCREASED RELIABILITY FOR P. Lengarsky STEAM TURBINE BLADES AND LOW PRESSURE CYLINDERS (INSTITUTE OF METAL SCIENCES) 219 1.2.2.3 I. Rasheva, H. Argirov, NITRIDED STEEL 38CRN3MAFA FOR SUPPORTING T. Stojchev ELEMENTS IN NPP (INSTITUTE OF METAL SCIENCES) 223 1.2.2.4 K. I/leva, T. Apostolov, EXPERIMENTS FOR NEUTRON FLUENCE Iv. Penev, A. Trifonov, ASSESSMENT ON VVER-440 AND VVER-1000 E. Taskaev, S. Belousov, PRESSURE VESSEL (NUCLEAR RESEARCH AND S. Antonov, T. Petrova, A TOMIC ENERGY INSTITUTE, KOZLODUY NPP) 227 L Stoeva, Z. Boyadjiev, N. Ne/ov, V. Tzotcheva, I. Andreeva, B. Lllkov, V. Velichkov, M. Monev 1.2.2.5 S. Belousov, K. Ilieva, ABOUT RELIABILITY ON VVER PRESSURE VESSEL S. Antonov NEUTRON FLUENCE CALCULATION (NUCLEAR RESEARCH AND A TOMIC ENERGY INSTITUTE) 231 1.2.2.6 T. Apostolov, Kr. Ilieva, CALCULATIONAL RESULTS FOR RADIATION T. Petrova EMBRITTLEMENT OF VVER PRESSURE VESSEL AT KOZLODUY NPP (NUCLEAR RESEARCH AND A TOMIC ENERGY INSTITUTE) 235 1. 2. 2. 7 M. Marinov, B. Dimitrov, VVER-440 REACTOR EMERGENCY COOLING USING E. Popov, K. Avdjiev "FEED AND BLEED" PROCEDURE (ENERGOPROEKT) 239 1.2.2.8 A. Ivanova, A. Sartmadjiev, WWER-1000(320) STEAM GENERATOR COLLECTOR E. Balabanov RUPTURE. RADIOLOGICAL CONSEQUENCES (ENERGOPROEKT) 247 1. 2. 2. 9 E. Demireva, D. Grigorov, METHODS, MEANS AND RESULTS CONFINEMENT E. Balabanov LEAKAGE DECREASE IN UNIT 2 AT KOZLODUY NPP (ENERGOPROEKT) 253 1. 2. 2. 10 E. Popov, I. Stanev APPLICATION OF THE TWO-PHASE INJECTOR IN THE SAFETY SYSTEMS OF NUCLEAR POWER PLANTS (ENERGOPROEKT) 259 1. 2. 2.11 M. Mihovsky, A. Skordev, NON-DESTRUCTIVE CONTROL AT KOZLODUY NPP V. Nlchev, P. Tsokov, (INSTITUTE OF METAL SC/ENCES-BAS, SIME- N. Popova CONTROL, NPP) 267 1. 2. 2.12 V. Dlmova, D. Danailov, IMPLANTATION OF Fe-IONS INTO ALUMINIUM T. Markov, G. Zlateva, FASTCOOLED TAPES (INSTITUTE OF METAL H. Angelcv SCIENCES -BAS) 275 1.2. 2.13 S. Stefanova, COMPREHENSIVE THERMAL-HYDRAULIC AND D. Panayotov, B. Illyeva, THERMAL-MECHANICAL ANALYSIS OF THE M. Vltkova, V. Simeonova, REACTOR CORE AND FUEL RODS FOR THE SAFETY G. Passage, M. Manolova, VALIDATION OF REAL FUEL REFUELING OF VVER- 440 AT KOZLODUY (INSTITUTE FOR NUCLEAR RESEARCH AND A TOMIC ENERGY) 279 2. RADIOACTIVE WASTES AND NUCLEAR FUEL 2.1 Plenary Session 2.1.1 N. Vldenov, V. Stanchev RADIOACTIVE WASTE PROBLEMS IN KOZLODUY NPP (NPP) 287 2.1.2 Z Boyadjlev, E. Vaplrev STORAGE OF SPENT NUCLEAR FUEL: THE PROBLEM OF SPENT NUCLEAR FUEL IN BULGARIA (NPP, SOFIA UNIVERSITY) 293 2.2 Posters 2.2.1 Ts. Bonchev, V. Angelov, DETERMINATION OF THE DISTRIBUTION OF THE Ts. Andreev, N. Todorov, HIGH-DISPERSITY HOT PARTICLES FROM NPP BY P. Andreev, I. Kasabov ACTIVITY USING AUTORADIOGRAPHY (SOFIA UNIVERSITY, NPP) 299 2. 2 2 E. Taskaev, Iv. Penev, DETERMINATION OF PHOSPHORUS, COPPER, M. Taskaeva, L Aleksleva, NICKEL, CHROMIUM, VANADIUN AND TITANIUM P. Tsokov CONTENT IN THE CUTTINGS OF THE 4-TH JOINT IN REACTOR PRESSURE VESSEL OF UNIT I, KOZLODUY NPP (INSTITUTE FOR NUCLEAR RESEARCH AND ATOMIC ENERGY) 307 2.2.3 E.
Load more

Recommended publications
  • Environmental Impact Assessment Report
    CONSORTIUM "DICON – ACCIONA ING." ENVIRONMENTAL IMPACT ASSESSMENT REPORT for Investment Proposal: BUILDING A NEW NUCLEAR UNIT OF THE LATEST GENERATION AT THE KOZLODUY NPP SITE CHAPTER 3: DESCRIPTION AND ANALYSIS OF COMPONENTS AND FACTORS OF THE ENVIRONMENT AND CULTURAL HERITAGE THAT SHALL BE LARGELY AFFECTED BY THE INVESTMENT PROPOSAL AND THE INTERACTION BETWEEN THEM 3.9. HARMFUL PHYSICAL FACTORS 3.10. HEALTH AND SANITARY ASPECTS OF THE ENVIRONMENT AND RISK TO HUMAN HEALTH 3.11. RADIATION RISK TO THE POPULATION IN THE EVENT OF RADIOACTIVE RELEASES 3.12. CULTURAL HERITAGE original copy NELLY GROMKOVA – TL DEVELOPED BY: VERSION: VERJINIA DIMITROVA – PM VALIDATED BY: TZVETANKA DIMITROVA – TQ CONTROL EXPERT DATE: DOCUMENT: EIAR FOR IP BUILDING A NEW NUCLEAR UNIT OF THE LATEST GENERATION CONSORTIUM AT THE KOZLODUY NPP SITE DICON – ACCIONA ING. VERSION 03 DATE: AUGUST 2013 PAGE: 2/79 CONTENTS 3 DESCRIPTION AND ANALYSIS OF COMPONENTS AND FACTORS OF THE ENVIRONMENT AND CULTURAL HERITAGE THAT SHALL BE LARGELY AFFECTED BY THE INVESTMENT PROPOSAL AND THE INTERACTION BETWEEN THEM .......................................................................................................................................... 6 3.9 HARMFUL PHYSICAL FACTORS ....................................................................................................................................................... 6 3.9.1 NOISE ...........................................................................................................................................................................................
    [Show full text]
  • Chapter 3 Status: Final
    Environmental Impact Assessment Report Rev: 2 for the Decommissioning of Units 1 to 4 at Kozloduy NPP Date: 2013-05-30 Ref: P16Del09Rev02_EIA_R P16Del09Rev02_EIA_R – Chapter 3 Status: Final Environmental Impact Assessment Report for the Decommissioning of Units 1 to 4 at Kozloduy Nuclear Power Plant CHAPTER 3 DESCRIPTION AND ANALYSIS OF THE ENVIRONMENTAL COMPONENTS AND FACTORS UNDER ART.4 AND ART.5 AND THE MATERIAL AND CULTURAL HERITAGE THAT WILL BE SIGNIFICANTLY AFFECTED BY THE INVESTMENT PROPOSAL, AND THEIR INTERACTION E n e r g y I n s t i t u t e J S C 20, Fr. Joliot – Courie Str.1113 Sofia, Bulgaria Tel:(+359 2) 963 45 76, Fax: (+359 2)963 40 38, E- mail: [email protected] Environmental Impact Assessment Report Rev: 2 for the Decommissioning of Units 1 to 4 at Kozloduy NPP Date: 2013-05-30 Ref: P16Del09Rev02_EIA_R P16Del09Rev02_EIA_R – Chapter 3 Status: Final CONTENTS 3. Description and analysis of the environmental components and factors under art.4 and art.5 and the material and cultural heritage that will be significantly affected by the investment proposal, and their interaction... 1 3.1 Atmosphere..............................................................................................................1 3.2 Atmospheric air........................................................................................................9 3.2.1 Quality of the atmosphere air in 30km area around Kozloduy NPP on the territory of the Republic of Bulgaria...............................................................9 3.2.2 Atmosphere radioactivity
    [Show full text]
  • (Municipality, Institution, Controlling Authority, Etc.) Sent Received
    ANNEX 7 CONSULTATIONS Consultations held (municipality, Description of statements/recommendations/ Accepted/ № Sent Received institution, remarks expressed Non-accepted controlling authority, etc.) INSTITUTION 1. EEA Ref. № P-04-11- Ref. № 26-00- EEA accepts without observations the terms of Accepted 1100/ 13.05.2014 9931/16.05.2014 reference provided and takes into account that the recommendations, that have been made earlier, have been taken into consideration. 2. Kozloduy NPP – Ref. № P-06-01- Ref. № О All recommendations have New Build EAD 1181/ 21.05.2014 221/28.05.14 been accepted and have been taken into consideration in the preparation of REIA. The mistakes and inaccuracies regarding the content and scope of the REIA, that have been made, have been corrected in the final version of the Updated Terms of Reference. 3. NCRRP Ref. № P-04-09- Ref. № CNE-10- Observations and recommendations: The words All recommendations have 1097/13.05.2014 19/2014.05.30 „СОЗ/WHO” to be replaced with „СЗО/WHO”. been accepted Section “Introduction”, the words “Directive All recommendations have 85/337/EEC and its three been taken into consideration Amendments from 1997. 2003 and 2009, transposed in “ in the final version of the 1 Consultations held (municipality, Description of statements/recommendations/ Accepted/ № Sent Received institution, remarks expressed Non-accepted controlling authority, etc.) to be deleted. Updated Terms of Reference Heading of section 1.6. “Type and amount of the future regarding the contents and waste and emissions (water, air and soil pollution; noise, scope of the REIA. vibrations; radiation – light, heat, radiation and etc.) as a The recommendations have result of the operation of the investment proposal, - The been taken into consideration words “radiation – light, heat, radiation and etc.” to be in the preparation of REIA.
    [Show full text]
  • Environmental Impact Assessment Report
    CONSORTIUM DICON – ACCIONA ING ENVIRONMENTAL IMPACT ASSESSMENT REPORT for Investment Proposal: BUILDING A NEW NUCLEAR UNIT OF THE LATEST GENERATION AT THE KOZLODUY NPP SITE CHAPTER 3: DESCRIPTION AND ANALYSIS OF COMPONENTS AND FACTORS OF THE ENVIRONMENT AND CULTURAL HERITAGE THAT SHALL BE LARGELY AFFECTED BY THE INVESTMENT PROPOSAL AND THE INTERACTION BETWEEN THEM 3.1. CLIMATE AND ATMOSPHERIC AIR 3.2. WATERS original copy NELLY GROMKOVA – TL AUTHORS: VERSION: 03 VERJINIA DIMITROVA – PM VALIDATOR: TZVETANKA DIMITROVA – TQ CONTROL EXPERT DATE: AUGUST 2013 DOCUMENT: EIAR FOR IP BUILDING A NEW NUCLEAR UNIT OF THE LATEST GENERATION CONSORTIUM AT THE KOZLODUY NPPSITE DICON – ACCIONA ING. VERSION 03 DATE: AUGUST 2013 PAGE: 2/195 CONTENTS CONTENTS.................................................................................................................................................................................... 2 3 DESCRIPTION AND ANALYSIS OF COMPONENTS AND FACTORS OF THE ENVIRONMENT AND CULTURAL HERITAGE THAT SHALL BE LARGELY AFFECTED BY THE INVESTMENT PROPOSAL AND THE INTERACTION BETWEEN THEM .......................................................................................................................................... 9 3.1 CLIMATE AND ATMOSPHERIC AIR .................................................................................................................................................. 9 3.1.1 CLIMATE ......................................................................................................................................................................................
    [Show full text]