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A fuel-fired kiln flue gas waste heat utilization system

A technology for flue gas waste heat and oil-fired furnaces, applied in furnaces, furnace components, waste heat treatment, etc., can solve problems such as energy waste, poor atomization quality, and disadvantages

Active Publication Date: 2019-06-11
KUNMING UNIV OF SCI & TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, industrial oil-fired furnaces are mainly fueled by heavy oil and other high-viscosity oil products. The use of biomass fuel oil is also the trend of industrial development in the future. Due to the high viscosity and poor atomization quality of these fuel oils, it will be unfavorable to their combustion. Increased fuel temperature will reduce viscosity to a certain extent and improve fuel combustion efficiency
Preheating the fuel with additional heating equipment will result in a waste of energy

Method used

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  • A fuel-fired kiln flue gas waste heat utilization system

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Embodiment 1

[0019] Such as figure 1 As shown, the waste heat utilization system of the oil-fired furnace flue gas includes a flue gas system, an oil circuit system, a water circulation system, a fan disturbance system and a failure emergency system. The flue gas system includes a gas valve I16, an induced draft fan 17, a gas valve II20, The flue gas pipeline 24 and the flue gas coil, the oil system includes a thermometer I1, an oil pipe 2, a bypass valve I3, a bypass pipe I4, an oil pump 5, an oil valve I7, a flow meter 8, an oil valve II10 and an oil coil , the water circulation system includes a water outlet pipe 6, a temperature control valve 11, a water eliminator 12, a liquid level controller 14, a water tank 15, a bypass pipe II21, a bypass valve II22, a water pump 23 and a water separator 25, and the fan disturbance system includes Induced fan 17, failure emergency system includes oil valve III9 and air valve III18;

[0020] The flue gas coils in the flue gas system and the oil ci...

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Abstract

The invention relates to a fuel furnace flue gas excess heat utilization system, and belongs to the technical field of furnace flue gas excess heat recycling. The fuel furnace flue gas excess heat utilization system comprises a flue gas system, an oil path system, a water cycle system, a fan turbulent flow system and a fault emergency system. By means of the system, flue gas excess heat can be effectively recycled; meanwhile, on one hand, preheating fuel can increase the heat carried by the fuel itself, combustion is facilitated, on the other hand, the high temperature can effectively lower the viscosity of the high-viscosity fuel, and the atomization effect of the fuel is improved, so that the fuel is more fully combusted.

Description

technical field [0001] The invention relates to a waste heat utilization system of fuel oil furnace flue gas, which belongs to the technical field of waste heat recovery and utilization of furnace flue gas. Background technique [0002] In my country's energy consumption structure, coal consumption ranks first, and the problems we face are energy shortage and environmental damage. With the research on new energy sources, biodiesel has been gradually applied, and oil-fired furnaces will be closer to the development of industry. The current flue gas waste heat utilization system mainly preheats combustion-supporting air and working medium water, but there are few flue gas waste heat utilization systems that preheat fuel oil. At present, industrial oil-fired furnaces are mainly fueled by heavy oil and other high-viscosity oil products. The use of biomass fuel oil is also the trend of industrial development in the future. Due to the high viscosity and poor atomization quality o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F27D17/00
CPCF27D17/004Y02P10/25
Inventor 李法社王华各王华申加旭申逸骋张小辉胡建杭
Owner KUNMING UNIV OF SCI & TECH
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