Product Description
Safety in coal mines is at the core of our engineering philosophy. This Safety-Enhanced Mining Electric Heater is a specialized thermal energy solution designed for operation within 20 meters of the wellhead, complying with the strict Ex e I Mb explosion-proof rating. By utilizing our self-developed "Safe Heating" technology, we ensure the heating tube wall temperature remains below 130°C, far below the safety margin of hazardous mine atmospheres. We integrate multiple safety interlocks, including over-temperature protection and airflow detection, ensuring the system automatically shuts down the moment any abnormality is detected. This uncompromising level of safety has made us a trusted supplier for national-level groups like Jizhong Energy and Shanxi Luan Group.
Beyond safety credentials, this heater is a marvel of thermal efficiency. By using 304 seamless stainless steel tubes filled with imported high-purity magnesium oxide powder, it achieves an electro-thermal conversion rate of ≥98%. This ensures rapid heating cycles and continuous heat output, even in extreme conditions as low as -40°C. For global agents, this product represents the gold standard in mine safety compliance, holding full MA (Mining Safety Mark) certification and following the GB 3836 standard. When you choose our heating solutions, you choose a partner with nearly 30 years of experience in preventing wellhead icing and ensuring the continuous, safe operation of deep mines.
Specifications
|
Power Range |
400 kW - 1200 kW |
|
Rated Voltage |
380V / 660V / 1140V |
|
Explosion-proof Mark |
Ex e I Mb |
|
Electro-thermal Efficiency |
≥98% |
|
Tube Wall Temperature |
<130°C |
|
Control Mode |
PLC + Power Regulator (SCR) |
|
Execution Standards |
GB 3836.1-2010, MT/T 661 |
Applications
Specifically designed for wellhead heating and intake air preheating in coal and non-coal mines where explosion-proof equipment must be used. It is ideal for high-altitude, extreme cold regions where maintaining a constant 2°C temperature at the wellhead is critical for personnel safety and equipment reliability.
Manufacturing & Expertise
Our 25,000 square meter factory is equipped with the latest CNC punch presses and busbar processing machines, ensuring the precision of every explosion-proof enclosure. As an authorized integrator for Siemens and ABB, we use only the highest-grade electrical components. Our quality management system (ISO 9001) ensures every heater passes 100% safety and performance testing before leaving the factory.
Logistics & Support
We provide robust export-standard packaging-vacuum-sealed and placed inside fumigation-free plywood cases-to ensure safe delivery to any mining site worldwide. We support various international trade terms (EXW, FOB, DDP) and provide 24/7 technical support. For our international partners, we provide comprehensive training on explosion-proof maintenance and remote diagnostic services through our Hongye Cloud platform.
FAQ
Q: Does this unit have the MA certificate?
A: Yes, our full range of mining heaters is MA certified and has passed national explosion-proof testing.
Q: What is the maintenance cycle?
A: The unit is designed for low maintenance, requiring only regular inspections of electrical connections and air filters.
Q: Can it handle 1140V power?
A: Yes, we provide custom power configurations for 380V, 660V, and 1140V to match your local mine's power grid.
Hot Tags: safety-enhanced mining electric heater, China safety-enhanced mining electric heater manufacturers, suppliers, factory, Auxiliary Mine Shaft Heating Unit, Electric shaft heating unit, Hot air curtain machine, Industrial explosion-proof air furnace, Mine Shaft Insulated Electric Heater Unit, Shaft insulation electric heater
