In the demanding world of industrial thermal processing, reliable high-capacity burners are critical for achieving precise temperature control, energy efficiency, and consistent product quality. The Big Hearth Industrial Furnace Burner (DN-RSJ Series) is a robust, high-output gas burner engineered specifically for large hearth furnaces and heavy-duty gas-heating installations. With a wide heat output range from 100×10⁴ to 600×10⁴ KCAL/H, these burners deliver medium-to-high jet speeds and exceptional combustion performance using natural gas (NG) or liquefied petroleum gas (LPG).
Designed for continuous operation in harsh industrial environments, the DN-RSJ series combines advanced safety features, easy maintenance, and proportional temperature control, making it the preferred choice for manufacturers seeking long service life and low operating costs.
Key Features & Technical Advantages
The Big Hearth Industrial Furnace Burner series offers a comprehensive set of performance and safety features tailored for large-scale applications:
- Flexible Jet Speed – Available in medium-speed and high-speed configurations to match specific furnace airflow and combustion requirements.
- Broad Heat Output Range – 100×10⁴ KCAL/H to 600×10⁴ KCAL/H, covering everything from medium to ultra-large hearth furnaces.
- Stable Operating Pressures – Gas pressure 3–5 KPa and air pressure 3–5 KPa ensure reliable ignition and combustion across varying load conditions.
- Advanced Safety Systems – Automatic ignition, flame detector, and flame-out protection for maximum operational safety.
- Precise Temperature Control – Compatible with proprietary regulators, zero-balance valves, and temperature control meters for accurate proportional furnace temperature adjustment.
- Fuel Flexibility & Efficiency – Optimized for NG and LPG, delivering clean combustion with minimal emissions and high thermal efficiency.
- User-Friendly Design – Simple installation, operation, and maintenance, resulting in lower lifecycle costs and extended service life.
These features make the DN-RSJ burners significantly more efficient and safer than conventional industrial burners, especially in high-volume production environments.
Technical Specifications
The DN-RSJ series is available in multiple models to suit different furnace capacities. All dimensions are in millimeters.
| Type | Max Output (KCAL/H) | A (mm) | B | C | D (mm) |
|---|
| DN-RSJ-10 | 100,000 | Φ89 | G 3/4″ | G 2-1/2 | 328 |
| DN-RSJ-30 | 300,000 | Φ133 | G 1-1/4″ | DN80 | 454 |
| DN-RSJ-50 | 500,000 | Φ159 | G 1-1/2″ | DN100 | 492 |
| DN-RSJ-80 | 800,000 | Φ196 | G 2″ | DN150 | 637 |
| DN-RSJ-100 | 1,000,000 | Φ200 | DN50 | DN150 | 1000 |
| DN-RSJ-150 | 1,500,000 | Φ210 | DN65 | DN175 | 1250 |
| DN-RSJ-200-600 | 2,000,000–6,000,000 | Custom | Custom | Custom | Custom |
Note: Larger models (DN-RSJ-200-600) are fully customized to customer requirements.
Primary Applications
The Big Hearth Industrial Furnace Burner is ideal for a wide range of high-temperature industrial processes:
- Melting Furnaces – Perfect for precious metals, nonferrous metals, and light-alloy melting operations.
- Heat Treatment & Process Heating – Suitable for car-bottom furnaces, walking-beam furnaces, and all types of heat treatment equipment.
- Drying & Air Heating – Excellent for industrial dryers, hot-air generators, and fabric/paper processing lines.
- General Gas-Heating Installations – Versatile performance across plastics, textile, paper, and other thermal processing industries.
Its high jet speed and stable combustion characteristics ensure uniform heating, reduced energy consumption, and improved product quality in large hearth applications.
Why Choose DN-RSJ Big Hearth Industrial Furnace Burners?
With proven reliability, low maintenance requirements, and full compatibility with modern control systems, the DN-RSJ series delivers measurable benefits: lower fuel consumption, reduced downtime, enhanced safety, and extended operational lifespan. Whether you operate a large foundry, heat-treatment facility, or continuous-process plant, these burners provide the power, precision, and durability needed for uninterrupted high-volume production.
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