YQW series gas-fired horizontal thermal fluid heater

YQW series gas-fired horizontal thermal fluid heater

Thermal fluid heaters

  • Working pressure:0.8-1.0 MPA
  • Product thermal capacity:700-14000 KW
  • Outlet temperature: 320 °C
  • Available fuel: natural gas, coke oven gas, bio-gas,liquid propane gas, diesel, heavy oil, light oil, crude oil
  • Available industries:Petroleum, chemical, chemical fiber, pharmaceutical, textile printing and dyeing, building materials, wood processing, vegetable oil processing and other industries

Introduction

YQW series gas-fired thermal oil boilers have a three-pass round coil structure. A conical coil is used for the effective protection of the furnace wall at the boiler end. This product is equipped with an advanced combustion device and is fully automated in operation. After the burner ignites the fuel, flame fills the round coil tubes and transfers heat by radiation through the tube wall (first pass). The high temperature flue gas gathers at the back door and then turns to the convection tubes section (second pass), where heat transfer takes place by convection. The flue gas gradually cools down here and flows to the front door, where it is reversed and goes into the third pass. After that, it enters into the chimney through the economizer and is released into the atmosphere.
This type of heater is delivered as a whole, and is installed on site, it only needs to connect thermal gas(oil) piping and electricity to start operation. The heater has four heating areas: furnace radiation heating area, the first convection tube bundle heating area, the second convection tube bundle heating area and economizer (waste heat boiler).

Technical advantages

  1. The laying-off of steel tube adopts CNC 3D laser cutting machine.
  2. 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 .
  3. Fully automatic operating, burning, liquid level of high level tank, outlet temperature and flow rate are adjusted automatically and self-protected.
  4. Internal side adopts good insulation material, outside uses stainless steel plate, which can mostly reduce heat lost and make working environment better.
  5. The inner coil tube has bigger flow rate, so it is more stable under high temperature operation.

Product parameters

ModelRated thermal power    (KW)Rated thermal power    (x104kcal/h)Design working temperature(≤℃)Rated working pressure(MPa)Thermal efficiency (≥%)System installation power(KW)
YQW-700Q700603200.88818
YQW-1000Q1000803200.88818
YQW-1200 Y(Q)12001003200.88835
YQW-1400 Y(Q)14001203200.88835
YQW-1800 Y(Q)18001603200.89056
YQW-2400 Y(Q)24002003200.89056
YQW-2800 Y(Q)28002403200.89066
YQW-3500 Y(Q)35003003200.89075
YQW-4200Q42003603200.89095
YQW-4600Q46004003200.89095
YQW-6000Q60005003200.890140
YQW-7000Q70006003200.890140
YQW-8200Q82007003200.890140
YQW-9400Q9400800320190200
YQW-10500Q10500900320190200
YQW-12000Q120001000320190240
YQW-14000Q140001200320190300

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