YQW oil-fired horizontal thermal fluid heater has a three-way circular coil structure. The tapered coil is used to effectively protect the furnace wall at the boiler end. The product is equipped with an advanced combustion device and is fully automatic in operation. After the burner ignites the fuel, the flame fills the circular coil tube and transfers heat through the tube wall through radiation (first pass). The hot flue gas accumulates at the back door and then turns to the convection tube section (second pass), where heat is transferred by convection. The smoke gradually cooled down here and flowed to the front door, where it was reversed and entered a third pass. It then enters the chimney through an energy saver and is released into the atmosphere.
This heater is delivered in its entirety and installed on-site. It only needs to connect hot gas (oil) pipes and electricity to start operation. The heater has four heating areas: a furnace radiant heating area, a first convection tube bundle heating area, a second convection tube bundle heating area, and an economizer (waste heat boiler).
The laying-off of steel tube adopts CNC 3D laser cutting machine.
The manufacture of round coil tube adopts CNC coil tube automatic production line. Once-forming and no need for plastic .
The tube butt adopts argon arc welding technique and the seams will be done x ray real-time imaging, preventing unqualified seams from entering coil production line .
The optimized radiation heating surface and convective heating surface, the medium flow is more reasonable, without overheat of the carrier and reduce the life;
Convection section: optimize convection heating surface and adopt effective fix and structural support to make its working life longer.
Set up effective flue gas partition for convection heating surface and cast partition to make it works longer.
Heater is wholly assembled before delivery, it is easy for installation, debugging and operating.
Fully automatic operating, burning, liquid level of high level tank, outlet temperature and flow rate are adjusted automatically and self-protected.
The inlet and outlet with end flanges and flanged cover structure facilitate the installation and layout of tubeline in boiler house.
Internal side adopts good insulation material, outside uses stainless steel plate, which can mostly reduce heat lost and make working environment better.
Multilayers closely spaced tube bundle and steel rod is used to seal and fix, completely eradicating short circuit of flue gas.
Before delivery, the residue moisture is removed completely, so the system draining period is reduced to 2 days from 12 days.
The inner coil tube has bigger flow rate, so it is more stable under high temperature operation.
Conical coil effectively protects the furnace wall at the end of heater and burner on the top.
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