Fuel-assisted oil gun of cement kiln pulverized coal burner

A technology for pulverized coal burners and cement kilns, which is applied in the directions of burners, combustion methods, combustion types, etc., can solve the problems of poor atomization effect of single-fluid nozzles, insufficient fuel combustion, and poor combustion-supporting effect, and achieves a heating speed. Reasonable and adjustable, good atomization effect, fine particle effect

Pending Publication Date: 2021-10-01
河南省豫鹤同力水泥有限公司
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Problems solved by technology

The single-fluid nozzle has poor atomization effect, insufficient fuel combustion, poor combustion-supporting effect, large oil consumption, poor coal combustion, and slow heating rate; although the dual-fluid nozzle has good atomization effect, the combustion-supporting effect is not good, and the oil consumption Too large, the pulverized coal does not burn well, and the heating rate is slow

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  • Fuel-assisted oil gun of cement kiln pulverized coal burner

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Embodiment Construction

[0022] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention more clear, the following will be combined with the appended figure 1 , clearly and completely describe the technical solutions of the embodiments of the present invention. Apparently, the described embodiments are some, not all, embodiments of the present invention. All other embodiments obtained by those skilled in the art based on the described embodiments of the present invention belong to the protection scope of the present invention.

[0023] Such as figure 1 Shown: a cement kiln pulverized coal burner auxiliary fuel gun, including a fuel pipe 1, the outside of the fuel pipe 1 is sleeved with a compressed air pipe 2, the oil outlet end of the fuel pipe 1 is located inside the compressed air pipe 2, and the fuel pipe 1 There is a first-stage atomization assembly at the oil outlet of the first-stage atomization assembly, and a mixing assembly for mixing com...

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Abstract

The invention provides a fuel-assisted oil gun of a cement kiln pulverized coal burner, and belongs to the technical field of cement clinker production. The fuel-assisted oil gun comprises a fuel oil pipe, the fuel oil pipe is sleeved with a compressed air pipe, the oil outlet end of the fuel oil pipe is located in the compressed air pipe, and the oil outlet end of the fuel oil pipe is provided with a first-stage atomization assembly. The first-stage atomization assembly is sleeved with a mixing assembly used for mixing compressed air and fuel oil, the oil outlet end of the mixing assembly is provided with a second-stage atomization assembly, and the air outlet end of the compressed air pipe is provided with a third-stage atomization assembly. The fuel-assisted oil gun is simple in structure, good in fuel oil atomization effect, small in fuel oil consumption and good in pulverized coal combustion-supporting effect.

Description

technical field [0001] The invention relates to the technical field of cement clinker production, in particular to a fuel burner for a pulverized coal burner in a cement kiln. Background technique [0002] Cement kilns generally use pulverized coal as fuel, and oil guns are generally used to ignite and heat up when starting production. The oil gun is composed of a nozzle at the end and a connecting pipe at the back. Its key component is the nozzle. The nozzle not only satisfies the need to atomize the oil well under low pressure, but also plays a role in supporting the combustion of pulverized coal and meeting the requirements of cement Kiln ignition heating requirements. [0003] The atomization effect and adjustment performance of the oil gun nozzle directly affect the heating time and oil consumption of the kiln. At present, the oil gun nozzle of the domestic pulverized coal burner is divided according to the presence or absence of atomization medium. There are mainly si...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F23C1/10F23C7/00F23D11/38F23D11/40F23D11/44
CPCF23C1/10F23C7/004F23D11/383F23D11/402F23D11/44
Inventor 王泽彪冯士国
Owner 河南省豫鹤同力水泥有限公司
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