Premium Subcritical Coal‑Fired Steam Boiler Solutions
As a leading subcritical coal fired steam boiler supplier, we deliver engineered boiler systems that turn high‑grade coal into reliable, high‑pressure steam for power generation, process heating, and district heating. Our units are designed for continuous duty cycles, robust load handling, and compliance with international environmental and safety standards.
Why Choose Our Boilers?
- Proven durability: Heavy‑duty steel frames and corrosion‑resistant fire‑tube alloys extend service life beyond 20 years.
- Optimized performance: Subcritical design maximizes thermal efficiency (≈35‑38%) while maintaining simple, low‑maintenance operation.
- Flexibility: Customizable steam pressure (6‑15 bar) and capacity (5‑150 t/h) to match plant load profiles.
- Regulatory compliance: Meets IEC 62264, ISO 9001, and local emission limits for sulfur and particulates.
- Turnkey support: From engineering design and factory acceptance testing to on‑site commissioning and after‑sales service.
Technical Specifications (customizable per order)
| Parameter | Typical Range | Units |
|---|---|---|
| Steam Generation Capacity | 5 – 150 | t/h |
| Design Steam Pressure | 6 – 15 | bar |
| Design Steam Temperature | 180 – 210 | °C |
| Thermal Efficiency (net) | 35 – 38 | % |
| Fuel Type | Bituminous, Sub‑bituminous, Lignite | - |
| Typical Boiler Life | 20+ | years |
| Maximum Continuous Duty | 95% | - |
Key Application Scenarios
Our subcritical coal‑fired steam boilers serve a broad spectrum of industrial and municipal projects. Below are the most common deployments where our expertise adds measurable value.
- Power Plants (≤ 50 MW): Provide reliable steam for turbine generators, supporting baseload or peak‑shaving operations.
- Petrochemical & Refining: Supply process steam for distillation columns, reactors, and heat exchangers where temperature stability is critical.
- Cement & Lime Production: Deliver high‑temperature steam for kiln drying and calcination processes.
- District Heating Networks: Generate steam for centralized heating of residential and commercial districts, especially in regions with abundant coal resources.
- Food‑Processing & Paper Mills: Offer consistent steam for sterilization, drying, and paper pulping with strict pressure control.
Frequently Asked Questions
What is the minimum order quantity (MOQ) for a customized boiler?
We work closely with OEM partners and can engineer a unit to match your exact capacity and pressure requirements. The MOQ typically starts at a single unit, but bulk pricing and lead‑time advantages are realized for orders of 3 or more units.
Can the boiler be adapted to alternative coal grades?
Yes. Our design accommodates bituminous, sub‑bituminous, and lignite coal. Adjustments to the grate area, combustion air system, and ash handling can be specified during the engineering phase.
What is the typical lead time from order to shipment?
Standard production runs require 15‑45 days, depending on capacity, optional accessories, and current factory workload. Complex, highly‑customized projects may extend to 60‑90 days, with a detailed schedule provided at order confirmation.
Do you provide warranty and after‑sales support?
All boilers are covered by a 24‑month manufacturer warranty covering material and workmanship. Our global service network offers on‑site commissioning, routine maintenance contracts, and spare‑parts logistics to minimize downtime.
Ready to Power Your Project?
Partner with a trusted subcritical coal fired steam boiler supplier that blends engineering excellence with responsive service. Contact our technical sales team today to discuss your specifications, request a quotation, or schedule a virtual design review.