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Pulverized coal premixing efficient coal gasification burner and application method thereof

A coal gasification and premixing technology, applied in the direction of granular/powdered fuel gasification, gasification device feeding tools, etc., can solve partial burning, gasification furnace water wall tube burst, single coal line blockage or tripping, etc. problem, to achieve the effect of preventing partial burning, safe and stable operation, and reducing impact

Pending Publication Date: 2019-04-05
HUANENG CLEAN ENERGY RES INST
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Problems solved by technology

[0004] The purpose of the present invention is to provide a high-efficiency coal gasification burner with pulverized coal premixing and its use method, which solves the phenomenon of partial burning caused by blockage or jumping of a single coal line in the existing coal gasification burner. Problems Caused by Gasification Furnace Water Wall Tube Explosion

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  • Pulverized coal premixing efficient coal gasification burner and application method thereof
  • Pulverized coal premixing efficient coal gasification burner and application method thereof

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Embodiment Construction

[0026] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0027] Such as figure 1 As shown, a high-efficiency coal gasification burner with a pulverized coal premixing distributor provided by the present invention includes a main burner 1, an ignition and start-up integrated burner 2, a cooling water heat exchange channel, an oxygen channel 5, and a pulverized coal channel 6. Start-up burner 7, ignition burner 8, flange 9, cooling water inlet 10, cooling water outlet 11, main oxygen inlet 12, coal powder inlet 13 and coal powder distributor 14, wherein the ignition burner 8 is sequentially The set includes a start-up burner 7, a pulverized coal channel 6, an oxygen channel 5 and a main burner 1; the cooling water heat exchange channel is set on the main burner 1.

[0028] The top of the pulverized coal channel 6 stretches out to the outside of the main burner 1, the top of the starting burner 7 stretches out to the...

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Abstract

The invention provides a pulverized coal premixing efficient coal gasification burner and an application method thereof. The pulverized coal premixing efficient coal gasification burner comprises a main burner, an igniting and starting integrated burner, a cooling water heat exchange channel, an oxygen channel, a pulverized coal channel, a starting burner, an igniting burner and a pulverized coaldistributor, wherein the igniting burner is arranged in the center of the inner cavity of the main burner; the starting burner, the pulverized coal channel and the oxygen channel are sequentially arranged between the igniting burner and the main burner; the outside of the main burner is provided with the cooling water heat exchange channel; the top end of the pulverized coal channel extends out ofthe main burner, the top end of the starting burner extends out of the pulverized powder channel, and the top of the igniting burner and the top of the starting burner are level to each other and meanwhile arranged inside the igniting and starting integrated burner; the pulverized coal distributor is arranged inside the inner cavity of the pulverized coal channel. The pulverized coal premixing efficient coal gasification burner can avoid deviant burning, reduce influence of coal line fluctuation on furnace flow field and ensure safe and stable operation of a gasification device.

Description

technical field [0001] The invention belongs to the technical field of energy and chemical industry, and in particular relates to a high-efficiency coal gasification burner with pulverized coal premixing and a use method thereof. Background technique [0002] At present, coal gasification technology is one of the main ways of clean and efficient utilization of coal, and entrained dry coal gasification technology has the advantages of large processing capacity per unit volume, high carbon conversion rate, high gasification intensity, energy saving and environmental protection. Widely promote and apply. The core equipment of dry pulverized coal gasification technology is the gasifier, and the pulverized coal burner is the core component of the gasifier. Process product quality and its long-term stable operation. [0003] Although a lot of research has been done on gasifier burners at home and abroad, there are still many problems to be solved. For example, due to the load d...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10J3/50
CPCC10J3/50C10J2200/15
Inventor 陶继业樊强许世森陈智柳康李小宇任永强
Owner HUANENG CLEAN ENERGY RES INST
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