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Low-nitrogen emission combustion system for heating furnace

A combustion system and nitrogen emission technology, which is applied in the direction of combustion method, combustion equipment, combustion technology mitigation, etc., can solve problems such as difficulty in meeting environmental protection standards, and achieve the effect of reducing NOx emissions

Pending Publication Date: 2019-10-08
JIANGYIN GIANSUN ALUMINUM PROFILE COMPLETE PLANT MFG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, the combustion system of the aluminum rod heating furnace on the market is difficult to meet the requirements of the relevant national environmental protection standards without reducing the efficiency of the heating furnace.

Method used

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  • Low-nitrogen emission combustion system for heating furnace
  • Low-nitrogen emission combustion system for heating furnace
  • Low-nitrogen emission combustion system for heating furnace

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Embodiment Construction

[0049] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0050] Such as Figure 1 to Figure 5 As shown, a heating furnace low-nitrogen emission combustion system in this embodiment includes a combustion chamber 1 and a heat exchanger 2. A burner 3 is arranged in the combustion chamber 1, and the heat exchanger 2 includes a smoke inlet Inlet 3.1, smoke exhaust port 3.2, air inlet 3.3 and air outlet 3.4, the heat exchanger 2 is provided with a chimney assembly 4 and a combustion fan 5, the smoke inlet 3.1 communicates with the combustion chamber 1 through a smoke inlet pipe 6 , the exhaust port 3.2 communicates with the chimney assembly 4 through the exhaust pipe 7, the air inlet 3.3 is connected with the air suction port 5.1 of the combustion-supporting fan 5 through the air inlet pipe 8, and the exhaust port 5.2 of the combustion-supporting fan 5 It communicates with the chimney assembly 4 through ...

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Abstract

The invention relates to a low-nitrogen emission combustion system for a heating furnace. The low-nitrogen emission combustion system for the heating furnace comprises a combustion chamber (1) and a heat exchanger (2). A combustion machine (3) is arranged in the combustion chamber (1). The heat exchanger (2) comprises a smoke inlet (3.1), a smoke discharging port (3.2), an air inlet (3.3) and an air outlet (3.4). A chimney assembly (4) and a combustion-supporting fan (5) are arranged outside the heat exchanger (2). The air inlet (3.3) is connected with an air suction port (5.1) of the combustion-supporting fan (5). An air discharging port (5.2) of the combustion-supporting fan (5) communicates with the chimney assembly (4). The air outlet (3.4) is connected with the combustion machine (3).According to the low-nitrogen emission combustion system for the heating furnace, the combustion-supporting fan is connected with the chimney assembly; on the one hand, heat of exhaust fume of the chimney can be recycled, and on the other hand, the oxygen content of combustion machine inlet air can be adjusted; thus emission of Nitrogen oxides is effectively lowered; and national environment-friendly standard requirements are satisfied.

Description

technical field [0001] The invention relates to a low-nitrogen emission combustion system for a heating furnace, which belongs to the technical field of aluminum profile production equipment. Background technique [0002] China's air pollution is becoming more and more serious, especially smog has brought great troubles to human life and work, and seriously endangered human health. One of the main culprits of air pollution is nitrogen oxides, and it is urgent to control nitrogen oxides. The state proposes clean combustion to create a blue sky, and has formulated relevant environmental protection standards, and has increasingly stringent restrictions on nitrogen oxide emissions. [0003] According to relevant data research, NOx produced by gas combustion is mainly divided into thermal NOx, rapid NOx and fuel NOx. The formation of NOx is mainly due to the nitrogen element in the fuel, local high temperature, flue gas residence time, oxygen-enriched combustion and other reaso...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F23J15/06F23L5/00F28D7/10
CPCF23J15/06F23L5/00F28D7/10Y02E20/30
Inventor 张理罡
Owner JIANGYIN GIANSUN ALUMINUM PROFILE COMPLETE PLANT MFG
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