Generation, storage and transport of renewable hydrogen and biomethane.
Innovative solution for the generation of heat, cold and electricity from solar energy
Since 20109 CADE has own R&D activities since 2009 around new disruptive technologies and industrial applications related to renewables and clean-tech industries
Desde 2009, CADE desarrolla actividades de Investigación, Desarrollo e Innovación (I+D+i) en torno a nuevas tecnologías disruptivas y aplicaciones industriales relacionadas con energías renovables e industrias de tecnología limpia.
Tailor-made solutions for the integration of solar thermal heat in industry
Concrete-based Thermal Energy Storage system
Zero-Sludge-Disposal - Urban Wastewater Treatment Plant
Zero Liquid Discharge - Solution for treatment and management of liquid effluents
CADE Cobots is a business line framed in our portfolio of solutions in Industry 4.0 of CADE for optimization of industrial processes, through collaborative robots or cobots, comprehensive process consulting, artificial vision, as well as development and supply and integration of complete turnkey solutions in hand. CADE Cobots allows us to respond to our idea of intelligent industrial models that are adaptable to needs and processes, applied to companies of all sizes.
Fig. 1: 24″ High pressure steam pipe actual disposition and welding features
Design and Fabrication Data:
Operation Data
Regular Operation
Best Mechanical and Process Engineering Practices
2.1: DETAIL LEVEL 1
2.2: DETAIL LEVEL 2
2.3. DETAIL LEVEL 3
Observations and Evidence
Root Cause Analysis and Determination of Failure Cause
⇒ FAILING EVERY 6-12 MONTHS
✔ Full cracks VT and superficial cracks (PT-NDE)
✔ Internal part of the pipe in crack location ⇒ inadequate filling
✔ Sreroscopy ⇒ oxide deposits ⇒ CAPING PASS
✔ Fractography ⇒oxide fragments on internal and external surfaces
✔ Chemical composition ⇒acording to materials specifications requirements
✔ Tempered martensite structure in P91, HAZ
✔ Dendritic austenitic structure in INCONEL and Buttering
✔ Tempered martensitic structure with ferrite in crack location area
✔ Presence of nucleation of voids and spheroidal graphite
✔ Identification of high hardness points in HAZ areas of P91 and INCONEL, coincident with the location of cracks
✔ Warm-up 200ºC
✔ Welding GTAW
✔ Welding 5g Weld / 2G buttering
✔ PWHT in buttering ⇒ no PWHT in welding
✔ Support Systems and stress Calculation with no anomalies detected
✔ Insulation temperatures are higher in leakages area
✔ Optimal PWHT treatment on weld area is defined
⇒ Decreasing residual stresses, decreasing material hardness, improving toughness
✔ Spacial care with reached temperatures (do not exceed 760ºC)
⇒ Fragilization issues
✔ Verification of residual stresses by means of FEA, and physical tests
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28036
Madrid – Spain
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Albacete
Parque Científico y Tecnológico
Paseo de la Innovación 3, 02006 Albacete – España
Tel. +34 967 19 01 72
Santiago Bernabéu, 3 Entreplanta
28036
Madrid – España
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