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direct fired oil heaters

Product Thermal Capacity: 1 - 20 t/h

Working Pressure: 0.7 - 2 Mpa

Available Fuel: Nature gas, coke oven gas, biogas, methanol, liquid propane gas, diesel, heavy oil, light oil, crude oil, etc.

Available Industries: Heat supplying, chemical, food, textile, printing and dyeing, cigarettes and tobacco, fodder, pharmacy, building materials, brewery, rubber, hospital etc.

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Introduction of WNS gas / oil fired steam boiler:

WNS series horizontal internal combustion boiler is a boiler shell type 3 passes wetback oil/gas fired boiler. After fuel is being atomized by burner, flame is full of the wave furnace and transfer heat via furnace wall, this is 1st pass; the high temperature smoke is collected in reversal chamber and then enters 2nd pass which is grooved tubes bundle area; after heat convection, air temperature gradually falls and goes to front smoke box and turn to 3rd pass, which is smooth tubes bundle area, and then enters chimney passing back smoke box and exhausted to the atmosphere.

Technical advantages:

1. Digitized manufacture
The key part such as material cutting, rolling, drilling are proceeded by advanced CNC machining process to reduce the assemble stress and extend boiler working lifetime.
The front and back smoke chamber plates are cut by CNC plasma cutting machine and looks tidy and beautiful.

2.Easy operation and maintenance
Fully automatically operating, with automatically adjustment and protection of burning, water level, temperature and steam pressure.

3. Longer working life
Smoke tube and tube sheet connection is expanded first to eliminate the gap between them, then adopt automatic argon arc welding to relief the stress and expand boilers working life.
Longitudinal and girth joint adopt advanced automatic submerged-arc welding for good welding quality. All longitudinal and girth joint will have 100% radiographic inspection.
Fin tube us ND steel or stainless-steel material which avoid low temperature corrosion.
Inspection procedure point is set up to guarantee the sequence of expanding and welding, avoid cracking of the tube sheet holes.

4. Less fuel consumption
High quality aluminum silicate fiber is used with fire clay insulation, to control the boiler body temperature below 45℃ to control heat lost.
Sufficient steam storage room and heating area makes boiler to generate high quality steam and high thermal power.
Condenser is added to reuse the waste heat of the exhausted smoke to increase feeding water’s temperature and reduce emission temperature, which can increase the thermal efficiency above 98% and save operating cost.

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Direct Fired vs. Indirect Fired Heaters . In planning a new HVAC project, one of the main criteria after determining your specific heating requirements is determining your heat source. The two most common sources are direct and indirect fired heaters. Direct fired heaters are both more efficient and less expensive than indirect fired heaters.

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The Q-Pak direct fired air heater is a robust direct fired air heater, ideal for heating air streams that can allow for mixing the products of combustion with the process air stream. The Q-Pak heater utilizes an internally mounted raw gas duct burner located in the flow path of the process air stream. As the process air flows over the burner, it also supplies the combustion air necessary for

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Our direct fired oil heaters can be used with either, 110 volt or 240 volt electrical supplies, as with all direct fired heaters, they need permanent ventilation to the outside environment. Please call 0800 211 611 for help in choosing the right heater for your needs.

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If you have a secondary fluid with low temperature limits. Amine is commonly used in gas … Fired Heater Design & Manufacturing. Exotherm Corporation is a leader in the design and manufacturing of custom engineered process heaters for direct and indirect heating applications. In addition to our first-class fabrication, Exotherm is known for offering a safe and robust control system.

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No. 76, Xin Da Road, Zhou tie Town, Yixing, Wuxi, China

0086-510-68530066, +86-13506151292

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