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Air/ gas mixing light hydrocarbon flue gas preparation combustion device

A combustion device and flue gas technology, applied in the direction of burners, combustion methods, combustion types, etc., can solve the problems of strong flame rigidity, high cost, high flame temperature, etc., and achieve the effect of reducing the calorific value

Pending Publication Date: 2018-10-19
秦皇岛轻烃能源有限公司
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  • Abstract
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Problems solved by technology

[0007] 2) Strong flame rigidity and high flame temperature;
[0009] Moreover, in the current technology, two sets of devices are used for the preparation and combustion of light hydrocarbon gas respectively, which is costly and unfavorable for large-scale use

Method used

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  • Air/ gas mixing light hydrocarbon flue gas preparation combustion device
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Embodiment Construction

[0029] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention.

[0030] The invention provides a combustion device for preparing air-mixed / smoke light hydrocarbon gas, such as figure 2 As shown, the device can realize the preparation and combustion of mixed air / smoke light hydrocarbon gas in one set of devices, reducing the pollution caused by combustion to the environment.

[0031] like figure 2 and Figure 4 The air-mixed / smoke light hydrocarbon gas preparation combustion device shown includes a central air duct 1, a mixed flue gas duct 2, a primary air duct 3, and a secondary air duct 4, which are set sequentially from the inside to the outside. There is a central oil gun 5, and a main oil gun 6 is set in the mixed flue gas pipeline 2, and one end of the central oil gun 5 and the main oil gun 6 is provided with an injection end protr...

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Abstract

The invention discloses an air / gas mixing light hydrocarbon flue gas preparation combustion device. The air / gas mixing light hydrocarbon flue gas preparation combustion device comprises a center air pipeline, a mixed flue gas pipeline and a secondary air pipeline which are sequentially arranged from inside to outside in a sleeving mode; a center oil gun is arranged in the center air pipeline; a main oil gun is arranged inside the mixed flue gas pipeline; injection ends extending out of the center air pipeline and the mixed flue gas pipeline are arranged at one ends of the center oil gun and the main oil gun; the injection ends are provided with fuel oil connectors, purging connectors and atomizing medium connectors; a main oil gun nozzle is arranged at the other end of the main oil gun andlocated inside the mixed flue gas pipeline; and the other end of the center oil gun is provided with a center oil gun nozzle located inside the mixed flue gas pipeline and connected with the tail endof the center air pipeline. The combustion device disclosed by the invention can recycle and use flue gas waste heat, improve the combustion uniformity and greatly reduce emission of nitric oxide.

Description

technical field [0001] The invention relates to the field of liquid fuel combustion, in particular to a combustion device for preparing air-mixed / smoky light hydrocarbon gas. Background technique [0002] During the combustion of fossil fuels, it is inevitable to form some toxic and harmful substances. However, the amount of toxic and harmful substances formed after the combustion of different fuels is very different. Even for the same fuel, when it is burned in solid, liquid and gaseous physical forms, the emission levels of pollutants are quite different. Specifically, the level of pollutant emissions is the most serious when burning solid fuels, followed by the level of pollutant emissions when burning liquid fuels, and the least pollutant emissions are the cleanest when burning gaseous fuels. Air-mixed light hydrocarbon gas is a gas fuel prepared by mixing liquid light hydrocarbons with air or flue gas in order to achieve clean combustion. It is a clean gas equivalent ...

Claims

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Application Information

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IPC IPC(8): F23D11/10F23D11/40F23D11/44
CPCF23D11/102F23D11/40F23D11/44
Inventor 李洪利赵宗波刘行建
Owner 秦皇岛轻烃能源有限公司
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