Corner Tube Boiler Series
Professional single-drum, natural-circulation corner tube boilers for power generation, industrial steam, and cogeneration. Engineered for compact layout, fast erection, and reliable long-term operation with full ASME/EN compliance.
Product Range
Corner Tube Boiler Models & Specifications
Standard and customized corner tube boiler configurations for power plants, sugar mills, and industrial facilities. All models engineered to international standards.
CT-35 Series
- • Coal, biomass, and mixed firing
- • Sugar mill bagasse cogeneration
- • Industrial process steam supply
CT-75 Series
- • Coal, lignite, biomass firing
- • Captive power plants
- • District heating systems
CT-130+ Series
- • Coal-fired power stations
- • Custom fuel configurations
- • Multi-fuel utility boilers
Custom Corner Tube Boiler Design Available
Need specifications outside standard ranges? Our engineering team designs custom solutions.
Manufacturing Excellence
World-Class Production Capabilities
State-of-the-art manufacturing facility in Jiangsu, China with complete fabrication capabilities for pressure parts, membrane walls, headers, drums, and complete boiler systems.
Years Experience
Corner tube boiler design and manufacturing
NDT Testing
Complete traceability and documentation
Response Time
Technical support and quotations
EN 3.1
Material certificates and compliance
Advanced Manufacturing
Pressure vessel fabrication facility
Quality & Compliance
Competitive Advantages
Why Choose ORL Corner Tube Boilers
Proven expertise in corner tube boiler design, manufacturing, and global project delivery with comprehensive engineering support and quality assurance.
Compact Footprint
Corner support design eliminates the need for complex external steel structures, reducing overall boiler island size and saving significant civil construction costs.
- • Smaller site area requirements
- • Simplified foundation design
- • Reduced structural steel cost
Fast Installation
Modular prefabrication and simplified steel structure enable faster field erection, reducing project schedules and associated financing costs.
- • Modular shop prefabrication
- • Reduced field welding scope
- • Faster project commissioning
Reliable Operation
Natural circulation design and fully welded membrane walls ensure stable, long-term operation with minimal maintenance requirements and high availability factors.
- • No forced circulation pumps
- • Membrane wall gas tightness
- • High availability >95%
Engineering Support
Experienced engineering team provides thermal analysis, CFD modeling, and technical support throughout the entire project lifecycle from design to commissioning.
- • 24-hour technical response
- • Custom fuel adaptation design
- • Performance guarantee and testing
Complete Documentation
Full traceability package including EN 10204 3.1 material certificates, NDT reports, dimensional inspection records, and customized QCP/ITP documentation.
- • EN 10204 3.1 certificates
- • Complete NDT documentation
- • Third-party inspection support
Competitive Pricing
Direct manufacturer pricing with no intermediary markups. Competitive costs combined with proven quality and reliable delivery schedules for your project success.
- • Direct manufacturer pricing
- • No intermediary costs
- • Reliable delivery schedules
Industry Solutions
Corner Tube Boiler Applications Across Industries
Our corner tube boilers serve diverse industries worldwide, from utility power generation to specialized industrial processes requiring reliable steam and cogeneration.
Power Generation
Coal-fired and biomass power plants for baseload operation. Compact design ideal for independent power producers and captive power facilities.
- • Coal-fired power stations (30-150 MW)
- • Independent power producers (IPP)
- • Biomass and renewable energy co-firing
- • Grid stabilization and base load supply
Sugar Mills & Cogeneration
Bagasse-fired corner tube boilers for sugar mills with cogeneration capability. Process steam for sugar production plus electricity export to the grid.
- • Bagasse and biomass firing
- • Cogeneration for process steam and power
- • Grid export during crushing season
- • Coal/biomass blending capability
Industrial Steam & Process
Process steam for manufacturing industries requiring reliable, high-quality steam supply. Captive power generation for energy-intensive operations.
- • Paper and pulp mills
- • Chemical and petrochemical plants
- • Steel and metallurgical industries
- • Textile and food processing
Reference Projects
Coal-Fired Power Plant
75 MWCorner tube boiler for captive power generation burning bituminous coal. Compact layout reduced civil costs versus conventional design by over 20%.
Sugar Mill Cogeneration
35 MWBagasse-fired corner tube boiler with coal co-firing for year-round operation. Supplies process steam and exports electricity to the national grid.
Industrial Process Steam
Chemical PlantCorner tube boiler supplying high-pressure process steam for a chemical facility. Reliable operation with full instrumentation and DCS integration.
Frequently Asked Questions
Corner Tube Boiler Technical FAQ
Common questions from EPC contractors, power plant developers, and industrial facility managers considering corner tube boiler technology for their projects.
What is a corner tube boiler and how does it differ from conventional designs?
A corner tube boiler is a single-drum natural circulation boiler where the steam drum is supported by four rigid downcomers positioned at the corners. This creates a self-supporting frame that eliminates the need for complex external steel structures found in conventional two-drum or tower-type boilers.
- • Structural efficiency: Corner support system reduces steel requirements and simplifies foundation design
- • Compact layout: Smaller footprint compared to conventional designs with equivalent capacity
- • Membrane water walls: Fully welded wall construction provides superior gas tightness
- • Natural circulation: Reliable water/steam circulation without forced circulation pumps
What steam parameters and capacities are available for corner tube boilers?
ORL Power corner tube boilers are available in a wide range of capacities and steam parameters to match industrial and power generation requirements:
Steam Capacity Range
- • Industrial: 35-130 t/h
- • Utility: 130-220 t/h
- • Custom: Up to 300+ t/h
Steam Parameters
- • Pressure: 3.82-17.5 MPa
- • Temperature: 450-566°C
- • Reheat options available
All designs comply with ASME, EN, and GB standards. Custom parameters can be engineered based on specific project requirements and fuel characteristics.
What fuels can be used in corner tube boilers?
Corner tube boilers can be designed for various solid fuels, with the combustion system and furnace configuration optimized for each specific fuel type:
Coal Types
- • Bituminous and sub-bituminous coal
- • Lignite and brown coal
- • Anthracite (with appropriate design)
- • Coal blends and waste coal
Biomass & Alternative Fuels
- • Bagasse (sugar mill residue)
- • Wood chips and sawdust
- • Rice husk and agricultural residues
- • Municipal solid waste (MSW)
Fuel analysis (proximate, ultimate, ash characteristics) is required for proper furnace sizing, combustion system selection, and heat transfer surface design. We design each system based on your specific fuel and expected variations.
What are the main advantages of corner tube design for power plant applications?
Corner tube boilers offer significant advantages for power plant and industrial applications:
Economic Benefits:
- • Reduced civil costs: Compact footprint saves construction and site preparation costs
- • Lower steel structure: Simplified self-supporting frame reduces material requirements
- • Faster erection: Modular prefabrication reduces project schedule and financing costs
- • Easier maintenance: Simplified design reduces planned downtime requirements
Operational Advantages:
- • Natural circulation: Eliminates circulation pump maintenance and failure risk
- • Membrane walls: Excellent gas tightness and thermal efficiency
- • Load flexibility: Good load-following characteristics for grid stability
- • Reliable operation: Proven availability >95% in long-term service
What is the typical delivery time and project timeline for corner tube boiler supply?
Project timeline depends on boiler capacity, scope of supply, and technical complexity. Typical schedules for corner tube boilers:
Engineering & Manufacturing:
- • Small CT (35-75 t/h): 8-12 months from contract
- • Medium CT (75-130 t/h): 12-16 months from contract
- • Large CT (130+ t/h): 16-22 months from contract
- • Detailed engineering: 2-3 months for drawings and calculations
Project Milestones:
- • Contract signature to detailed drawings: 8-12 weeks
- • Manufacturing start to first shipment: 6-8 months
- • Site erection and commissioning: 3-6 months
- • Performance testing and acceptance: 1-2 months
We work closely with EPC contractors to optimize delivery schedules and coordinate with civil works. Expedited delivery options are available for urgent projects.
What information is needed to request a corner tube boiler quotation?
To prepare an accurate technical proposal and commercial quotation, please provide:
Basic Requirements:
- • Required steam capacity (t/h)
- • Steam pressure and temperature
- • Feedwater temperature and quality
- • Annual operating hours and load profile
Fuel & Site Data:
- • Fuel type and proximate/ultimate analysis
- • Site elevation and ambient conditions
- • Emission limits and applicable standards
- • Applicable codes (ASME, EN, GB, local)
Additional information such as existing plant layout, turbine specifications, and utility connections helps optimize the boiler design and integration. Even without complete data, our team can provide a preliminary budget estimate and technical overview.
Have more specific questions about corner tube boiler technology?
Ask Our EngineersGet Your Corner Tube Boiler Proposal
Share your project requirements and receive a comprehensive corner tube boiler proposal with technical specifications, performance guarantees, and competitive pricing within 24 hours.
What Information We Need
- Steam Requirements: Capacity (t/h), pressure (MPa), temperature (°C)
- Fuel Information: Type, analysis (proximate/ultimate), availability
- Site Conditions: Location, elevation, ambient conditions
- Emission Limits: Local environmental regulations
- Project Timeline: Expected commissioning date
Direct Contact Options
Why Choose ORL Corner Tube Boilers?
- ✓ 20+ years corner tube boiler manufacturing experience
- ✓ ASME/EN/GB code compliance and certification
- ✓ Compact design reduces civil and structural costs
- ✓ Complete technical support and documentation
- ✓ Competitive pricing with reliable delivery