Gas burner

A gas burner and gas technology, applied in the direction of burner, combustion method, combustion type, etc., can solve the problems of large NOx emissions of flue gas components, uneven burner flame temperature field, insufficient and incomplete combustion of gas, etc. Achieve the effect of compact structure, easy maintenance and favorable utilization of heat energy

Active Publication Date: 2010-09-01
施芜
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0002] The burners of the existing industrial furnace burners are all first-stage combustion burners. Due to their structural defects, the gas has only been burned once, which makes the combustion of the gas incomplete and incomplete, which affects the operation o

Method used

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[0009] Reference figure 1 , A gas burner of the present invention includes a gas casing 1, a gas pipe 5 communicating with the gas casing 1, an air casing 3 arranged around the periphery of the gas pipe 5, and the front end of the gas pipe 5 is provided with an ignition Electrode 8, the front end of the gas pipe 5 is provided with a combustion chamber 6, the electrode 8 is located in the combustion chamber 6, the back end of the combustion chamber 6 is connected to the front end of the gas pipe 5 through a wind plate 4, the combustion chamber 6 and air The casing 3 is in communication, the front end of the combustion chamber 6 is a reduced flame nozzle 61, the periphery of the combustion chamber 6 is sleeved with an outer tube 7 communicating with the air casing 3, and the front end of the outer tube 7 surrounds the flame nozzle 61 A ring-shaped combustion-supporting air nozzle 71 is provided on the periphery of the device.

[0010] The above technical solution can also have the...

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Abstract

The invention discloses a gas burner, which comprises a gas shell, a gas pipe communicated with the gas shell, and an air shell arranged at the periphery of the gas pipe in a surrounding way. The front end of the gas pipe is provided with an electrode used for ignition; the front end of the gas pipe is provided with a combustion chamber; the electrode is positioned in the combustion chamber; the rear end of the combustion chamber is connected with the front end part of the gas pipe through a wind disk; the combustion chamber is communicated with the air shell; the front end of the combustion chamber is provided with a shrunken flame nozzle; the periphery of the combustion chamber is sleeved with an outer pipe communicated with the air shell; and the front end of the outer pipe is provided with an annular combustion-supporting wind nozzle along the periphery of the flame nozzle. The gas burner has the advantages of performing two-stage combustion, combusting the gas fully, and making the energy conversion rate of the system high. The flame temperature field is more uniform and facilitates heat energy utilization; the smoke at the smoke outlet has high speed; and the emission of NOx in the smoke is less than 150ppm, so the environment is protected.

Description

technical field [0001] The invention relates to a part of a burner of an industrial heating gas furnace, in particular to a gas burner. Background technique [0002] The burners of the existing industrial furnace burners are all first-stage combustion burners. Due to their structural defects, the gas has only been burned once, which makes the combustion of the gas incomplete and incomplete, which affects the operation of the system. The energy conversion rate and the flame temperature field of the burner are not uniform, and the flue gas outlet velocity is not high, and the NOx emission in the flue gas component is large, which pollutes the environment and even affects the work of the system. Contents of the invention [0003] In order to solve the above problems, the object of the present invention is to provide a gas burner with secondary combustion, complete combustion of gas and high energy conversion rate of the system. [0004] The technical solution adopted by the ...

Claims

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Application Information

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IPC IPC(8): F23D14/48
Inventor 叶青
Owner 施芜
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