Industrial Natural Gas Box Furnace

Jiangsu Jiuding Industrial Furnaces Technology Co., Ltd. is one of the most experienced manufacturers and suppliers of industrial natural gas box furnace in China, also supports customized service. Welcome to wholesale high-grade industrial natural gas box furnace for sale here from our factory. Quality products and reasonable price are available.

Natural gas box furnace for metal heat treatment is a batch intermittent heating equipment fueled by natural gas, manufactured by Jiangsu Jiuding Industrial Furnaces Technology Co., Ltd.We also produce trolley furnace, pit furnace and box type heating furnace for diversified thermal‑processing demands. Heating process happens inside closed box‑shaped chamber. Besides metal component heat treatment, this furnace can perform mud‑core drying. We can deliver standard or non‑standard units according to customer's actual production conditions.

Burners mounted on furnace side trigger natural gas combustion, hot air circulates back and forth inside sealed cavity to balance temperature distribution. For natural gas box furnace for annealing quenching normalizing, exhausted hot flue gas flows to preheating unit at furnace rear top. Fans push cold ambient air through preheater for heat exchange. Pre‑heated air is delivered to burners for supporting combustion. A manual butterfly valve fitted on outlet adjusts internal furnace pressure and keeps stable running status through the whole heating cycle.

Our high temperature natural gas box furnace is built with practical structures for workshop operation.

Recirculating hot‑flow design keeps even temperature inside furnace chamber

Two operation modes for selection: automatic or semi‑automatic

Flue‑gas pre‑recovery unit reuses waste heat from exhaust gas

Welded heavy‑duty steel frame guarantees structural stability

Multi‑layer refractory masonry reduces outward heat loss

Manual butterfly valve allows simple on‑site pressure adjustment

Variable load capacity to match different batch production volumes

This energy‑saving natural gas box furnace mainly includes steel frame, refractory masonry, combustion assembly and smoke preheating device.Outer shell is welded by section steel and steel plates. High‑aluminum bricks are laid for pressure‑bearing sections, insulation bricks are installed at bottom for thermal barrier. Burners are fixed on one side of furnace body. Preheating device is placed on upper rear shell and connects with fans and burner pipelines. All sealing joints are processed to lower gas leakage risk.

The table lists typical reference indicators for our industrial natural gas box furnace. Parameters shift accordingly when customers order customized chamber dimensions.

Total equipment weight changes with inner furnace size. Power and fuel consumption will be adjusted to match real‑world chamber dimension.

The custom size natural gas box furnace serves heat‑treatment work in multiple industries.It processes mechanical parts, castings and forgings. Available processes include normalizing, annealing and quenching for metal workpieces, as well as mud‑core drying for casting workshops. Suitable for machinery plants, foundries, hardware factories and specialized heat‑treatment workshops.

Kindly provide information including workpiece dimension, maximum loading weight and target thermal process requirements. Our team will work out matching solution for you. Submit your inquiry to obtain drawings and formal quotation.

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