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A high-efficiency atomization combustion system and method for an industrial furnace

A technology of industrial furnaces and combustion systems, applied in the field of energy and environment, can solve problems affecting production efficiency, sintering and carbon deposition at the outlet of burner nozzles, etc., achieve low maintenance costs, increase combustion temperature, and improve fuel combustion efficiency.

Active Publication Date: 2019-07-05
KUNMING UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In industrial production applications, the problem of sintering and carbon deposition at the outlet of the burner nozzle is prominent, which seriously affects the production efficiency

Method used

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  • A high-efficiency atomization combustion system and method for an industrial furnace
  • A high-efficiency atomization combustion system and method for an industrial furnace
  • A high-efficiency atomization combustion system and method for an industrial furnace

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Such as figure 1 and 2 As shown, the industrial furnace high-efficiency atomization combustion system based on high-viscosity biomass fuel oil includes oxygen generator 1, nitrogen storage tank 2, oxygen storage tank 3, pressure regulating valve I4, pressure regulating valve II5, digital gas flow rate Gauge Ⅰ6, barometer Ⅰ7, digital gas flowmeter Ⅱ8, barometer Ⅱ9, oil pressure gauge 10, burner group 11, filter 12, circulating oil valve 13, pressure regulating valve Ⅲ14, digital liquid flowmeter 15, oil pump 16. Fuel tank 17, motor 18 and steam heating device 19, burner group 11 includes fuel oil passage 20, high-pressure nitrogen passage 21, high-pressure oxygen passage 22, electronic ignition needle 23, fuel nozzle 24, first-stage nitrogen atomization swirl plate 25 , mounting flange 26, secondary oxygen atomizing swirl piece 27, nitrogen inlet 28 and oxygen inlet 29;

[0030] The fuel oil passage 20, the high-pressure nitrogen passage 21, and the high-pressure oxyge...

Embodiment 2

[0041] Such as figure 1 and 2 As shown, the industrial furnace high-efficiency atomization combustion system based on high-viscosity biomass fuel oil includes oxygen generator 1, nitrogen storage tank 2, oxygen storage tank 3, pressure regulating valve I4, pressure regulating valve II5, digital gas flow rate Gauge Ⅰ6, barometer Ⅰ7, digital gas flowmeter Ⅱ8, barometer Ⅱ9, oil pressure gauge 10, burner group 11, filter 12, circulating oil valve 13, pressure regulating valve Ⅲ14, digital liquid flowmeter 15, oil pump 16. Fuel tank 17, motor 18 and steam heating device 19, burner group 11 includes fuel oil passage 20, high-pressure nitrogen passage 21, high-pressure oxygen passage 22, electronic ignition needle 23, fuel nozzle 24, first-stage nitrogen atomization swirl plate 25 , mounting flange 26, secondary oxygen atomizing swirl piece 27, nitrogen inlet 28 and oxygen inlet 29;

[0042] The fuel oil passage 20, the high-pressure nitrogen passage 21, and the high-pressure oxyge...

Embodiment 3

[0053] Such as figure 1 and 2 As shown, the industrial furnace high-efficiency atomization combustion system based on high-viscosity biomass fuel oil includes oxygen generator 1, nitrogen storage tank 2, oxygen storage tank 3, pressure regulating valve I4, pressure regulating valve II5, digital gas flow rate Gauge Ⅰ6, barometer Ⅰ7, digital gas flowmeter Ⅱ8, barometer Ⅱ9, oil pressure gauge 10, burner group 11, filter 12, circulating oil valve 13, pressure regulating valve Ⅲ14, digital liquid flowmeter 15, oil pump 16. Fuel tank 17, motor 18 and steam heating device 19, burner group 11 includes fuel oil passage 20, high-pressure nitrogen passage 21, high-pressure oxygen passage 22, electronic ignition needle 23, fuel nozzle 24, first-stage nitrogen atomization swirl plate 25 , mounting flange 26, secondary oxygen atomizing swirl piece 27, nitrogen inlet 28 and oxygen inlet 29;

[0054] The fuel oil passage 20, the high-pressure nitrogen passage 21, and the high-pressure oxyge...

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Abstract

The invention relates to an industrial furnace efficient atomization combustion system and method based on high-viscosity biomass fuel oil, and belongs to the technical field of energy and environment. Waste nitrogen obtained after oxygen making is utilized to serve as an auxiliary atomized gaseous medium, after first-grade atomization is conducted by utilizing the nitrogen, a non-combustion isolation area which is about 5 cm is formed, and the problems of sintering and carbon depositing of an outlet of a nozzle are solved. Meanwhile, because the leading-in amount of the atomized nitrogen is adjusted according to the actual production needs, it is ensured that the yield of nitric oxide is within an artificially controllable and adjustable range, and it is ensured that flue gas emission canreach the standard. According to the industrial furnace efficient atomization combustion system and method based on the high-viscosity biomass fuel oil, the biomass fuel oil can be efficiently applied to industrial furnace combustion, the waste nitrogen obtained after oxygen making can further be reused, the effects of energy conservation, emission reduction and environmental protection are achieved, and meanwhile the problems of sintering and carbon depositing of the nozzle are further solved.

Description

technical field [0001] The invention relates to an industrial furnace high-efficiency atomization combustion system and method based on high-viscosity biomass fuel oil, belonging to the technical field of energy and environment. Background technique [0002] In the actual production of iron and steel smelting, glass furnace smelting, etc., a large amount of 0# diesel oil and heavy oil are required to be burned. However, the current energy situation, the depletion of fossil energy, and the discharge of various harmful pollutants after combustion are very serious facts. , Bringing higher production and environmental protection costs to enterprises, there is an urgent need to seek alternative energy sources. Biomass fuel, as an important supplement or even an alternative fuel to petrochemical fuel, has rapidly entered people's field of vision in recent years. Biomass fuel has great development potential, and it is of great practical significance to use biomass fuel in industria...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F23D11/10F23D11/24F23D11/38
Inventor 李法社申加旭王华王华各崔蕾张小辉胡建杭
Owner KUNMING UNIV OF SCI & TECH
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