ASME Certified Yankee Dryer - PowerPoint PPT Presentation

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ASME Certified Yankee Dryer

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  1. ASME Certified Yankee Dryer King Hardware May 3rd, 2010

  2. King Hardware King Hardware is a dedicated ASME & PED certified Dryer Cylinder manufacturer for more than 20 years. With 300 plus employees and 10,000 tons of annual production capabilities Well known in Europe, Asia & Africa for delivering products with good quality, competitive prices and short delivery time. Other product lines include Former Cylinders, Calendar Rolls, Press Rolls, Mill Rolls, Felt Rolls and Suction Couch Rolls

  3. Why ASME ? The American Society of Mechanical Engineers Boilers and Pressure Vessels Codes except for Transportation Tanks (hereafter as ‘ASME Codes’) have been adopted as boilers and pressure vessels safety rules by almost all states of US and provinces of Canada. It is mandatory that all boilers and pressure vessels, which are used in North America and in the scope of ASME Codes, shall be designed, fabricated and inspected in accordance with ASME Codes and stamped ASME Code Symbol stamps.

  4. Why ASME? It is not a mandatory requirement for the boilers and pressure vessels, which are neither used in North America nor in the scope of ASME Code, to bear ASME Code symbols. However, above mentioned boilers and pressure vessels may be stamped ASME Code Symbols in the following cases providing that they are designed, fabricated and inspected in conformity with ASME Codes: that required by the end user; or that required by the local Jurisdiction in the locations where the boilers or pressure vessels are used (e. g. Australia, South America).

  5. King Hardware ASME Certified Process 1. Design 2. Fabrication 3. Examination 4. Inspection 5. Testing 6. Stamping

  6. ASME Certified Process • Assure the drawing, design calculation and material selected meet the requirement of ASME VIII-1 • Check the service restriction and pressure-temperature limitations according to the ASME VIII-1 Design

  7. ASME Certified Process • Key Specifications: • Diameter: up to 3,660 mm • Face Length: up to 8,000 mm • Operation Speed: up to 1200 MPM • Operation Pressure: up to 10 BAR • ASME Requirements: • Break Test: 6 x Operation Pressure • e.g.. 6x 150 psi= 900 psi (60 BAR) • Hydrostatic Test: e.g.. 25 bar x 2 Hours, • w/o Leakage Design

  8. ASME Certified Process • Bolts: • Material: Cr/Mo Alloy • Strength: 10.8 class • Suppliers: Taiwan Design – Key Components Selection • Gasket Seals: • Material: Patented • Strength: 28 BAR • Suppliers: Europe

  9. ASME Certified Process • Self-hardening mold: • Smooth Surface • Accurate Dimensions • Easy to Clean 2. Fabrication- Side Cover

  10. ASME Certified Process 2. Fabrication- Side Cover • Gasket sealing • Casting • Machinery • Drilling

  11. ASME Certified Process 2. Fabrication- Side Cover • Journal Grinding • Hand Hole Finishing • Packing

  12. ASME Certified Process 2. Fabrication – Body • Casting • Drilling ( Casting Material: Comply with the ASME VIII-1 UG-7 ). • Inner Finishing

  13. ASME Certified Process 2. Fabrication – Body • Inner Machinery • Outer Machinery

  14. ASME Certified Process 2. Fabrication – Body • Balance Machinery • Surface Grinding

  15. ASME Certified Process 2. Fabrication – Body • Balancing

  16. ASME Certified Process • Examine all materials before fabrication 1. Assure the required thickness 2. Maintain traceability to the material identification • Examine cylinder and cover sections 1. Assure properly formed to the specified shapes 2. Within the permissible tolerances 3. Examination

  17. ASME Certified Process • Examine parts as fabrication progresses, 1. Material marking, 2. Dimensional geometries are maintained • No welding repair were permitted 3. Examination

  18. ASME Certified Process 4. Inspection • Check Dimensions

  19. ASME Certified Process 4. Inspection • Surface Inspection • Roughness ﹤ 0.4 Ra • Metallographic • Inspection

  20. ASME Certified Process 4. Inspection • Dynamic Balancing

  21. ASME Certified Process • Some parts of dryer cylinder is difficult to determine the maximum allowable working pressure or thickness • When a proof test is considered necessary, the Manufacturer has the responsibility of performing the test in the presence of the AI. • The test shall be acceptable to the AI and a test report shall be made available to the AI. 5. Test

  22. ASME Certified Process • Comply with ASME VIII-1 • Spec: 6 x Operation Pressure • Example: 6 x 150 psi= 900 psi • (60 BAR) 5. Test – Break Test

  23. ASME Certified Process • Comply with ASME VIII-1 ← 28 bar x 2 Hours, w/o Leakage 5. Test – Hydrostatic Test

  24. ASME Certified Process • Preparing required Data Report and having it certified by the Inspector • Issued by ASME authorized agency 6. ASME Certificate

  25. ASME Certified Process • Applying the required U symbol stamping and nameplate to the cylinder • Assure it is applied to proper vessel 6. Stamping the Code Symbol

  26. King Hardware Final Assembly (w/ Bearings)

  27. King Hardware Pack and Delivery on Time (﹤ 90 days)

  28. King Hardware  Happy + Satisfying Customers 

  29. King Hardwareis your Best Partner. Thank You !