4 ton Chain Grate Coal Fired Boiler Wholesale – High‑Efficiency Steam Generation
When you source a 4 ton chain grate coal fired boiler wholesale, you are investing in a proven, robust solution for continuous steam and hot‑water production in heavy‑duty industrial environments. Designed for continuous‑duty operation, our chain‑grate units combine a compact footprint with the capacity to handle up to 4 tons of coal per hour, delivering reliable heat output while meeting stringent emission standards. Ideal for power plants, process factories, and large‑scale heating networks, the boiler can be customized to match local fuel quality, pressure requirements, and control preferences.
Application Scenarios
- Industrial process heating – textile, pulp & paper, and chemical production lines.
- District heating – centralized plants supplying hot water to residential or commercial districts.
- Power generation – auxiliary steam for turbine feed‑water heating and condensate recovery.
- Marine and offshore platforms – on‑board steam for propulsion support and cargo heating.
Competitive Advantages
Our 4 ton chain grate coal fired boiler wholesale offering stands out for three core reasons:
- Durable Chain‑Grate Design – Hardened steel grates provide uniform fuel distribution, reduce slag buildup and extend service intervals.
- Optimized Combustion Control – Integrated PLC‑based burners and real‑time flue‑gas monitoring keep CO and NOx emissions well within EU/US limits.
- Scalable Customisation – Boiler pressure, feed‑water temperature, and control panel layout can be adapted to the buyer’s exact process specifications without additional tooling cost.
Typical Specifications (customizable per order)
| Parameter | Standard Range | Optional Upgrade |
|---|---|---|
| Steam Generation Capacity | 3 800 – 4 200 kg/h | Up to 5 000 kg/h (with enlarged furnace) |
| Operating Pressure | 1.0 – 1.6 MPa | 2.0 MPa (high‑pressure variant) |
| Fuel Consumption | 0.85 – 0.95 kg/kWh | ≤0.80 kg/kWh (advanced combustion tech) |
| Grate Speed | 30 – 45 rpm | Adjustable 20 – 60 rpm |
| Emission Limits (CO) | ≤100 ppm (dry) | ≤50 ppm (enhanced after‑burner) |
| Warranty | 12 months parts & labour | 24 months (optional extension) |
Frequently Asked Questions
What is the minimum order quantity (MOQ) for wholesale purchases?
Our standard MOQ is one unit, which allows distributors and OEM partners to place a single‑unit test order before scaling up. For bulk contracts (≥5 units) we offer tiered discounts and priority production slots.
Can the boiler be adapted for low‑grade coal or biomass blends?
Yes. The furnace geometry, grate spacing and air‑distribution system can be re‑engineered to handle calorific values down to 10 MJ/kg or a 30 % biomass mix without compromising reliability.
What lead time should I expect after order confirmation?
Typical lead time ranges from 15 to 45 days, depending on the level of customisation and current production queue. Rush orders are accommodated when feasible, with an additional surcharge.
Is there a warranty or after‑sales support for the 4 ton chain grate coal fired boiler wholesale unit?
All units ship with a 12‑month comprehensive warranty covering parts and labour. Extended warranty packages up to 36 months are available, together with on‑site commissioning, training and a 24/7 spare‑parts hotline.
Next Steps – Get a Quote Today
Ready to integrate a reliable, high‑capacity steam source into your operation? Contact our sales engineering team for a personalized quotation, technical drawing, or to discuss OEM partnership possibilities.
Email us now or call +1‑800‑555‑0199 – we’ll respond within one business day.