Solar Thermal Energy Storage Vessels
Roben, Mfg, Inc. engineers and fabricates solar thermal energy storage vessels for concentrating solar power plants, providing efficient storage enabling electricity generation when sunlight is unavailable. Our solar thermal vessels feature materials and designs optimized for molten salt storage at temperatures enabling grid-dispatchable solar electricity production.
What Are Solar Thermal Energy Storage Vessels?
Solar thermal energy storage vessels are large-capacity tanks designed to store thermal energy in molten salt or other media at temperatures from 550°F to 1050°F in concentrating solar power systems. These vessels enable storage of solar energy collected during daylight hours for electricity generation during evening peak demand and overnight periods.
Why Choose Solar Thermal Energy Storage Vessels from Roben Mfg?
- Grid-dispatchable solar power
- Extended generation hours
- Peak demand electricity supply
- Efficient thermal storage
- Long service life
- Daily cycling capability
- Renewable energy enablement
Key Features
- Molten salt compatible materials
- Thermal expansion design
- Foundation heat protection
- Insulation systems
- Tank heating provisions
- Pump integration
- Temperature monitoring
- Complete thermal design
Applications
- CSP power tower storage
- Parabolic trough storage
- Hot salt storage tanks
- Cold salt storage tanks
- Buffer storage vessels
- Steam generators
- Salt-to-steam heat exchangers
- Thermal storage systems
Compliance and Certifications
Roben Mfg maintains comprehensive certifications ensuring our high temperature pressure vessels meet the highest industry standards:
- ASME Section VIII Division 1 and Division 2 – “U” and “U2” Stamps
- National Board “R” Stamp for repairs and alterations
- API standards compliance (API 934, API 941, API 579)
- ASME Section III for nuclear applications (N-Stamp)
- PED (Pressure Equipment Directive) for European market
- CRN (Canadian Registration Number) for Canadian provinces
Quality Assurance and High-Temperature Fabrication
Every high temperature pressure vessel fabricated by Roben Mfg undergoes rigorous quality assurance protocols:
- High-temperature material certifications with complete traceability
- Qualified high-temperature welding procedures and welders
- Post-weld heat treatment (PWHT) per code requirements
- Comprehensive NDE including RT, UT, MT, and PT
- Hydrostatic and pneumatic testing per ASME requirements
- Complete documentation packages supporting high-temperature service
Frequently Asked Questions
What storage duration do solar thermal storage vessels provide?
Current CSP plants provide 6-15 hours of storage, sufficient for evening peak generation and overnight operation. Storage duration depends on tank capacity relative to solar field size and power block rating. We design tanks for customer-specified storage requirements.
How do solar thermal vessels handle daily thermal cycling?
Solar storage tanks experience daily temperature cycles as they charge and discharge. We design for thermal fatigue using appropriate materials, expansion provisions, and joint designs that accommodate daily cycling over the expected 25-30 year plant life without premature failure.
What foundation systems support solar thermal storage tanks?
Large thermal storage tanks require foundations that handle elevated temperatures and tank loads. We coordinate with civil engineers on foundation designs including insulating concrete, cooling systems where needed, and structural provisions for seismic and wind loading in addition to thermal effects.
Contact Roben Mfg
Contact Roben Mfg today to discuss your solar thermal energy storage vessels requirements. Our engineering team provides expert consultation on high-temperature materials, design optimization, and complete vessel solutions.
Phone: (281) 441-4088
Email: info@robenmfg.com
Website: www.robenmfg.com
