steam boiler
- High-quality, safe products utilizing the latest global technology.
- Comprehensive warranty and after-sales service for all products.
- Nationwide shipping across Iran and exports to neighboring countries.
- 20+ years of manufacturing expertise
What is an Industrial Steam Boiler?
An industrial steam boiler is a critical heating asset used in large-scale manufacturing and industrial facilities. Its primary function is to convert water into high-pressure, high-temperature steam, providing the necessary thermal energy for various production processes.”
“By utilizing high-performance burners and a reinforced pressure vessel, these systems deliver efficient energy transfer to production lines. BokharSazeh’s steam boilers are widely employed across sectors such as food and beverage, pharmaceuticals, textiles, and chemical processing, playing a vital role in optimizing fuel consumption and significantly boosting overall production efficiency
Technical Specifications: BokharSazeh Steam Boiler
- Design: Horizontal, Firetube (Shell & Tube), 3-Pass.
- Rear Construction: Wetback.
- Capacity: Customizable range (e.g., 12 TPH, 15 TPH, etc.).
- Steel Material (Body, Furnace, Tube Sheets): DIN 17155-17Mn4 (High-temperature boiler steel).
- Thermal Tubes: Seamless steel tubes (DIN 17175-St35.8) provided with material quality certificates (chemical analysis & mechanical tests).
- Insulation: 100mm Rockwool (80kg/m³ density) with color-coated galvanized cladding.
- Flanges: PN16 standard.
- Maintenance: Integrated manhole for large-capacity internal inspection.
- Efficiency Features: Compatible with turbulators and economizers to minimize energy consumption.
Welding & Quality Control
At BokharSazeh, all welding processes are executed using the Submerged Arc Welding (SAW) method in strict compliance with the EN 288 international standard. Our welding procedures are qualified under approved WPS and PQR protocols by the National Standards Organization. All work is performed by certified, expert welders and subjected to rigorous UT (Ultrasonic Testing) and VT (Visual Testing) at various stages to ensure structural integrity.”
Consumables: We utilize high-grade E6010 and E7018 electrodes for both root and filler passes, ensuring maximum weld strength.
All pressure-bearing welds undergo comprehensive Non-Destructive Testing (NDT), including Radiographic Testing (RT), Ultrasonic Testing (UT), and Magnetic Particle Testing (MT).”
“As a final quality assurance measure, every boiler undergoes a Hydrostatic Test at 1.5 times the design pressure, guaranteeing safety and performance under peak operating conditions.”
Selected Projects & Clients
Types of steam boilers produced by Bokharsazeh
By Configuration (Shape & Orientation)
- Vertical Steam Boiler: Ideal for facilities with limited floor space.
- Horizontal Steam Boiler: Standard design for high-capacity industrial applications.
2. By Flame Path (Efficiency Levels)
- 2-Pass Steam Boiler: Engineered for specific heat-transfer requirements.
- 3-Pass Steam Boiler: Optimized for high thermal efficiency and maximum heat recovery.
3. By Fuel Compatibility
- Gas & Diesel-Fired: Versatile models compatible with natural gas, diesel, or dual-fuel burners.
- Coal-Fired Steam Boiler: Robust designs tailored for solid fuel operations.
10 ton steam boiler shipping video
Steam Boiler Anatomy & Components
The structural integrity and design of our steam boilers comprise the following essential components:
Primary Structural Components:
- Boiler Shell: The main pressure vessel housing the water and steam.
- Furnace (Combustion Chamber): The core area where fuel is ignited.
- Tube Sheets (Front & Rear): High-strength plates supporting the heat exchange tubes.
- Heat Exchange Tubes (2-Pass & 3-Pass configurations): Engineered for optimized heat transfer.
- Base & Chassis: The structural support frame for the entire assembly.
Access & Maintenance Features:
- Front Door: Main access point for burner maintenance.
- Rear Door / Flue Gas Outlet: Designed for efficient exhaust and internal inspection.
- Manhole: Critical for internal access and maintenance.
- Inspection Port: Dedicated opening for routine visual checks.
- Access Ladder: Integrated safety ladder for easy top-side maintenance.
Ancillary Equipment & Connections:
- Feedwater Pump & Accessories: Essential for water supply management.
- Electrical Control Panel: The central hub for monitoring and automated operation.
- Steam Outlet Connections: Precise piping for output distribution.
Steam Boiler Buying Guide: Selection Criteria & International Standards
Selecting the right steam boiler is a critical decision that directly impacts your operational efficiency and safety. To ensure optimal performance, your selection process should align with rigorous design, manufacturing, and maintenance standards.
1. Design Standards
- Technical Requirements: Evaluate your specific needs regarding operating pressure, temperature, steam capacity, and fuel compatibility.
- Material & Welding Standards: Prioritize certified high-temperature resistant materials and standardized welding procedures to extend equipment lifespan.
- Performance Metrics: Assess thermal efficiency, fuel consumption, and operational output to ensure long-term energy savings.
2. Manufacturing & Quality Control
- Production & Assembly: Strict adherence to both national and international standards throughout the welding, assembly, and finishing stages.
- Testing & Inspection: Mandatory hydrostatic testing, leak testing, and comprehensive final quality control before shipment.
3. Operational & Maintenance Standards
- Preventive Maintenance: Regular inspections of ancillary equipment to ensure safe and continuous operation.
- Safety Protocols: Adherence to strict safety guidelines during startup, operation, and shutdown sequences.
4. Global Standards & Compliance
We design and manufacture in compliance with major international benchmarks:
- International: ISO & IEC standards.
- European: EN standards.
- Global Benchmarks: ASME (USA), BS (UK), and DIN (Germany).
5. Selecting by Boiler Type
- Water-Tube Boilers: Recommended for high-pressure, high-efficiency industrial requirements.
- Shell (Fire-Tube) Boilers: Optimized for low to medium-pressure applications.
- Pressure-Specific Selection: Tailored designs based on your facility’s precise operating pressure requirements.
6. Technical & Safety Priorities
- Safety-First Design: Implementation of advanced protection systems and rigorous safety testing.
- Durability: Use of corrosion-resistant and heat-treated materials.
- Efficiency: Maximizing energy productivity for a lower total cost of ownership.
Expert Conclusion: This guide serves as a framework for engineers and procurement managers to navigate technical requirements. By prioritizing these standards, you ensure the selection of a robust, safe, and efficient steam boiler tailored to your industry’s unique demands.
Safety First: Pressure Relief Valves (PRV)
The safety of your facility and personnel is our top priority. Every BokharSazeh boiler is equipped with high-precision Safety Relief Valves (SRV), serving as a critical safeguard against overpressure conditions.
How it Functions:
In the event that the internal boiler pressure exceeds the designated safety limits, the relief valve automatically actuates, safely discharging excess steam to prevent structural damage and ensure continuous operational security.
Why it Matters:
- Preventive Protection: Specifically engineered to mitigate risks associated with pressure surges.
- Compliance: Our safety systems are designed to meet rigorous industrial safety standards, ensuring your equipment operates within protected parameters.
Our Manufacturing & Commissioning Excellence
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From initial design to final delivery, every BokharSazeh boiler undergoes a rigorous production cycle:
- Engineering & Technical Design: Comprehensive blueprinting and stress analysis.
- Material Sourcing: Utilizing certified, high-grade pressure vessel steel.
- Layout & Marking: Precision transfer of engineering designs onto raw materials.
- Plate Cutting: CNC-controlled precision cutting based on design specifications.
- Rolling & Shell Fabrication: Rolling sheets to form the main boiler cylinder.
- Drilling & Machining: Precision drilling of tube sheets for tube alignment.
- Initial Assembly: Integrating structural components into the main frame.
- Tube Installation: Strategic positioning of heat exchange tubes within the shell.
- Standardized Welding: Expert-level welding adhering to international structural codes.
- Port & Connection Fitting: Precise installation of inlet and outlet nozzles.
- Thermal Insulation: Application of high-efficiency thermal insulation materials.
- Surface Finishing & Coating: Corrosion-resistant industrial painting and sealing.
- Cladding: Final external casing and aesthetic finishing.
- Accessory Integration: Installation of doors, flue gas systems, and gauges.
- System Equipping: Fitting essential instrumentation and burner systems.
- Final Inspection & Hydrostatic Testing: Validating integrity at 1.5x design pressure.
- Packaging & Logistics: Secure crating for safe, damage-free delivery.
Steam Boiler Procurement Guide: Making an Informed Investment
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Investing in an industrial boiler is a significant decision. To ensure you receive a product that combines longevity, safety, and performance, we recommend following these professional guidelines:
- Partner with Established Manufacturers: Always collaborate with reputable, industry-recognized manufacturers to ensure structural integrity and support.
- Verify Official Standards: Prioritize equipment that carries verified national and international standard certifications (e.g., ASME, EN, ISO).
- Demand Detailed Technical Specifications: Request full documentation of technical parameters before making a commitment.
- Validate Specifications: Ensure the delivered product strictly matches the technical data sheet and promised specifications.
- Monitor Production Transparency: Take advantage of opportunities to visit the factory during the production phase to observe quality control firsthand.
- Audit Documentation & Certifications: Always request verified copies of manufacturing licenses and quality assurance certifications from the seller.
- Consult with Subject Matter Experts: Consult with experienced engineers in the field to align your purchase with your specific industrial requirements.
- Prioritize Value Over Initial Cost: Avoid selecting based solely on the lowest price. A high-quality, long-lasting boiler offers superior return on investment and lower maintenance costs.
Note on Pricing: At BokharSazeh, our pricing structure reflects the diverse range of configurations, material grades, and technical specifications tailored to your unique industrial demands. We are committed to providing competitive value without compromising on quality.
Steam Boiler Sales & Consultancy
1. Boiler Resale & Brokerage Services
Looking to sell or upgrade your current steam boiler? Our expert team is here to facilitate a seamless transition. By contacting our consultants, you can benefit from:
- Professional Appraisal: Receive technical guidance to accurately evaluate your equipment’s value.
- Targeted Buyer Network: We connect you with a network of prospective buyers, accelerating the sale process and ensuring you reach the right market.
2. Understanding Pricing Factors
Boiler pricing is determined by several technical variables, including design configuration, material specifications, and capacity. As a leading manufacturer, we provide a wide spectrum of solutions to meet diverse industrial needs:
- Vertical Steam Boilers: Optimized for space-saving requirements.
- Standard Capacities: 50 kg/h, 100 kg/h, 150 kg/h, up to 200 kg/h.
- Horizontal Steam Boilers: Designed for high-output industrial demands.
- Standard Capacities: Ranging from 200 kg/h to 20,000 kg/h.
Note: Pricing fluctuates based on the specific engineering requirements, burner brand, control systems, and required accessories.
25,000lb/hr steam boiler - 12 bar working pressure
Steam boiler – 10 ton
خطرات دیگ بخار
به طور کلی در صورت استفاده ناصحیح از این دستگاه می تواند خطراتی را متوجه اپراتور و مالک کند ممکن است دستگاه های بویلرهای بخار دچار انفجار شوند و این خود علل متعددی می تواند داشته باشد. به دلیل فشار بالای موجود در دیگ هنگامی که وسایل کنترلی به درستی وظیفه خود را انجام ندهند و دیگ از فشار مطمئنه که در طراحی و ساخت مورد نظر بوده است به فشار بالاتری تجاوز کند می تواند باعث بروز حوادث ناگواری گردد.
هم چنین اگر آبگیری دستگاه با مشکل مواجه شود و پس از کارکرد طولانی مدت بدون آب بطور ناگهانی آبگیری شود باعث بروز حادثه و انفجار می گردد.
یکی دیگر از موارد خطر در بویلرها جمع شدن گاز در فضای کارکرد مشعل و استارت ناگهانی و انفجاری مشعل می باشد.
Boiler Safety: Hazard Awareness & Prevention
While steam boilers are highly efficient industrial tools, improper operation or maintenance can pose significant safety risks. At BokharSazeh, we believe that transparency regarding safety is the first step toward incident prevention.
Potential Risks & Critical Failure Points:
- Overpressure Conditions: If control mechanisms fail to regulate pressure within the design limits, the resulting overpressure can lead to catastrophic failure.
- Thermal Shock (Dry-Firing): A critical danger occurs if a boiler runs dry and is suddenly refilled with water while hot. This can cause immediate structural damage or explosions due to rapid steam expansion.
- Combustion Gas Accumulation: If gas accumulates in the burner chamber before ignition, it can cause a “puff-back” or an explosive ignition during startup.
BokharSazeh’s Proactive Safety Measures:
To mitigate these risks, we integrate comprehensive safety systems into every boiler:
- Redundant Safety Systems: Dual-level pressure controls to ensure that if one system fails, the secondary system immediately takes over.
- Low-Water Cut-Off (LWCO): Advanced sensors that automatically shut down the burner if water levels drop below safe thresholds, preventing dry-firing.
- Intelligent Ignition Systems: Automated purging sequences that clear the combustion chamber of any residual gases before starting the burner, preventing gas buildup.
Safety Warning: The safe operation of a steam boiler is strictly dependent on adherence to operational manuals and regular inspection by qualified personnel only.
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