Pressure Gauges – Conversion Of The Kkát Storage Pipe Monitoring System. The Transformation Of The Storage Pipe Nitrogen Monitoring System Planned For The Spent Cartridges Transitional Storage (Hereafter Kkát) By Rhk Kft. Is Carried Out In A Facility Subject To The Atomic Energy Act (Act Cxvi Of 1996 On Atomic Energy, Abbreviated Atv.). The Task Of The Temporary Storage Of Spent Cartridges (Kkát) Is The Temporary Storage Of Spent Fuel Cartridges From The Reactors Of The Paks Nuclear Power Plant. Spent Heating Element Cartridges Are Stored Individually In Vertically Placed Storage Tubes. To Prevent The Development Of Corrosion Processes During Long-Term Storage, The Storage Tubes Are Filled With Nitrogen Gas Containing 5% Helium. The Space Between The Storage Pipe Seals And The Storage Pipes Are Vented And Filled Using Specially Designed Filling Tools And The Nitrogen Filling Cart. A Nitrogen Monitoring System Was Developed For Storage Pipes With Metal Seals. The So-Called Gap Between The Primary And Secondary Metal Seals. The Monitoring Space Is Kept Under Pressure With Nitrogen Containing 5% Helium. The Pressure In The Monitoring Space Is Higher Than The Pressure Inside The Storage Tube And The External Environment. The Drop In Pressure In The Monitoring Space Indicates That The Gas Is Leaking Either Into The Storage Pipe Or Into The External Environment, So The Construction Enables The Detection Of A Faulty Seal Without Radiological Consequences. A Pressure Transmitter Connected To The Monitoring Space Is Installed In Each Group Of Storage Pipes. The Signal From The Pressure Transmitter Is Sent To An Industrial Computer Equipped With A Suitable Adapter Unit. The Computer Gives A Signal When The Space Pressure Drops Below A Predetermined Value. Built-In Pressure Transmitters Lose Their Accuracy Over Time. Ensuring The Correct Operation Of The Pressure Transmitters Can Be Achieved By Periodically Calibrating Them. To Calibrate The Pressure Transmitters, They Must Be Removed, Which Involves Dismantling The Affected Pipe Group. This Work Process Requires A High Amount Of Work Time, So To Eliminate This, Rhk Kft. Decided To Transform The Monitoring System. Tasks To Be Performed: Preparation Of A Quality And Organizational Plan (1 Pc) Execution Technical And Quality Control Instructions (1 Pc) Procurement/Production Of Storage Pipe Monitoring System Components (1 Set, 3286 Components) Factory Testing And Verification Of Storage Pipe Monitoring System Components (1 Set) Installation Of Storage Pipe Monitoring System Elements (Installation Of 3,286 Elements In 13 Chambers) Technical Documentation Issued By The Client For A Specific Product Or Origin, Or For A Specific Procedure, Technological Process, Trademark, Patent, Activity, Person, Type Or Specific Origin Or Production Process Refers To Equivalent Products, Equipment, Technology, Etc. Everywhere. Must Also Be Understood In View Of The Stipulations In The Technical Documentation. We Would Like To Draw The Attention Of Those Applying To Participate That During The Participation Phase They Cannot Do Aj
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