Electra Heat Treat Furnace | Gas-Fired Bogie Hearth System for Precision Thermal Processing Solutions
JIANGSU YINUO THERMAL ENERGY TECHNOLOGY CO., LTD makes industrial heating equipment. One of them is the Electra Heat Treat Furnace, built for tough metallurgical work. Our factory covers 20,000㎡. We hold 80 million yuan in fixed assets, and more than 100 skilled people work here. Gas-fired bogie hearth furnaces from our line handle stress relief annealing, tempering, and precision heat treatment. Standard operating temperature is 550℃, and it can go up to 950℃. The lining uses 350mm refractory fiber. After one hour of heat preservation, temperature uniformity stays within ±8℃. Temperature control precision reaches ≤±2℃. That gives steady metallurgical results for your critical parts.

Why Choose Our Gas-Fired Bogie Hearth Furnace?
In your manufacturing process, you need reliable thermal processing equipment to be able to avoid quality problems and to lower your operating expenses. Our bogie hearth structure offers strong flexibility for loading irregular or heavy workpieces directly onto moveable platforms, minimising handling time and labour effort.
Independent PID temperature control system with many zones ensures homogeneity of ±5℃ across the heating chamber. Such accuracy prevents the usual problems of non-uniform hardness distribution, heat distortion and surface oxidation that impair the product integrity.
Energy efficiency is a primary design criterion. The 350 mm multi-layer composite lightweight fibre lining offers an ultra-low surface heat loss barrier. This design, along with the closed heat preservation structure, could cut the energy consumption by 25%–50% compared to traditional heating furnaces. Lower fuel costs mean increased profitability for your operations.
Technical Specifications
Your production needs can shape the product. Customization choices let you match it to your line:
| Parameter |
Specification |
| Furnace Type |
Gas-fired bogie hearth furnace |
| Furnace Chamber Dimension |
Customized per customer's requirements |
| Furnace Loading Capacity |
Customized per customer's requirements |
| Refractory Fiber Lining Thickness |
350 mm |
| Fuel Medium |
Natural gas |
| Fuel Calorific Value |
8500 Kcal/Nm³ |
| Working Temperature |
Standard 550℃, adjustable up to 950℃ |
| Furnace Temperature Uniformity |
≤±8℃ after 1 h heat preservation |
| Temperature Control Precision |
≤±2℃ |
| Adjustable Heating Rate |
50–200℃/h (under full workpiece loading) |
| Furnace Shell Temperature Rise |
Top ≤45℃, side wall ≤40℃ (at 950℃) |
| Temperature Control Zones |
Configured per customer's process |
| Combustion System |
Switchable pulse or regenerative combustion |
| Control System |
PID intelligent instruments & Omron PLC |
| Furnace Door Lifting Speed |
Approx. 6 m/min, electric hoist drive |
| Bogie Moving Speed |
5–7 m/min |
| Bogie Driving Type |
Chain drive, self-propelled |
| Loading Method |
Hoist workpieces onto movable bogie |
| Exhaust System |
Multiple outlets, chimney ≥2 m above roof |
Operational Advantages for Your Production Line
The combustion system switches between two firing modes. Pulse combustion covers standard operations. Regenerative combustion gives maximum fuel efficiency on extended cycles. With both modes, you can match energy use to your production schedule.
Electric lifting doors run at 4–6 m/min. Wedge locking structures keep access to the furnace chamber safe and quick. A self-propelled chain-driven bogie travels at 5–7 m/min. It can clear the furnace chamber completely. Loading and unloading outside the high-temperature zone is convenient.
Imported PID intelligent instruments and an Omron PLC handle semi-automatic control. Operation stays easy to follow. Manual override remains available too. With two control modes, production keeps running even during control system maintenance.
Applications Across Industries
Precise thermal processing is needed across many manufacturing sectors. Your Electra Heat Treat Furnace serves them. Stress relief annealing removes residual stresses from welded fabrications. Castings get the same treatment. Machined components do too. Dimensional instability during later operations is prevented that way.
Tempering brings ductility back to hardened tool steels, die components, and automotive parts. Temperature has to be held tightly. Too much heat softens the material. Too little leaves parts brittle.
Big stamping dies, injection molds, and forging tools all fit on the spacious bogie platform. Oversized workpieces go in without disassembly. Prep time drops, and dimensional accuracy holds through the whole heat treatment cycle.

Quality Assurance and Engineering Support for Electra Heat Treat Furnace
We have a complete quality control system and every furnace is strictly inspected according to national and industry norms before being shipped. For this purpose, the quality inspection team performs standardised tests to check for uniformity of temperature, control precision and structural integrity.
Mechanical engineers, automatic control engineers and quality inspection professionals work side by side during design and production. Your equipment has to slot into current production workflows and meet process requirements. That multi-disciplinary approach is how it happens.
Full service assistance includes furnace manufacture, design, installation, commissioning and project management. Our engineers are on hand to offer technical guidance during the Electra Heat Treat Furnace specification process and are always accessible to offer continuous optimisation support following installation.

FAQ
Q: How does the bogie hearth design improve loading efficiency?
A: The movable bogie platform exits completely from the furnace chamber, allowing you to load and arrange workpieces safely outside the high-temperature zone. This design reduces loading time by 40% compared to fixed-hearth configurations.
Q: Can the furnace accommodate different heating rates?
A: Yes, the adjustable heating rate ranges from 50–200℃/h under full workpiece loading. You can program slower rates for thick-section components that require uniform through-heating or faster rates for thin parts with low thermal mass.
Q: What maintenance does the fiber lining require?
A: That 350mm refractory fiber lining holds up well, so you won't spend much time on upkeep. A visual check now and then will show you any spots that got damaged. Because the parts are modular, you can fix just those spots. No full reline is needed.
Q: Is atmosphere control available for oxidation-sensitive materials?
A: While the standard configuration operates in air atmosphere, we can integrate inert gas injection systems for nitrogen or argon protection. This customization prevents surface oxidation on reactive alloys.
Q: How fast does the furnace get to operating temperature?
A: Chamber size and the temperature you want both play a part in heat-up time. On a typical install, though, you go from cold start to 550℃ in 2–3 hours. The fiber lining has low thermal mass, which speeds up the ramp-up and cuts fuel use at the same time.
Contact Us for Customized Solutions
Contact our engineering team at info@yinuofurnaces.com to discuss your specific Electra Heat Treat Furnace requirements and receive a customized furnace proposal.