CN2390101Y - 一种燃烧高炉煤气用短焰型烧嘴 - Google Patents

一种燃烧高炉煤气用短焰型烧嘴 Download PDF

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Publication number
CN2390101Y
CN2390101Y CN 99224391 CN99224391U CN2390101Y CN 2390101 Y CN2390101 Y CN 2390101Y CN 99224391 CN99224391 CN 99224391 CN 99224391 U CN99224391 U CN 99224391U CN 2390101 Y CN2390101 Y CN 2390101Y
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burner
gas
guide vane
combustion
blast furnace
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Expired - Fee Related
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CN 99224391
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王莉
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Anshan Metallurgical Design And Research Institute Of Ministry Of Metallurgical Industry
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Anshan Metallurgical Design And Research Institute Of Ministry Of Metallurgical Industry
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Abstract

本实用新型公开了一种燃烧高炉煤气用短焰型烧嘴,其目的是提供一种缩短火焰长度的烧嘴。采取的措施是:在烧嘴喷头内设有内外导风片,内外导风片沿轴向相切排列,夹角45°—60°,并且,内外导风片旋转方向相反。由于内外导风片使煤气与空气从喷头喷出后形成两种方向相反的两种气流,混合后呈现紊流状态,从而,使煤气与空气混合速度快,混合充分,燃烧火焰短。

Description

一种燃烧高炉煤气用短焰型烧嘴
本实用新型涉及一种烧结点火炉专用燃烧器烧嘴
现行烧结点火炉燃烧高炉煤气用的烧嘴，喷口处煤气与空气混合速度慢，燃烧后火焰长，热量不集中，点火区温度低，同时，因火焰长使点火炉炉膛净空高达600-700mm，使炉内料面与炉膛热效应差，表层物料高温时间短，不利于烧结矿固结，
本实用新型的目的是提供一种缩短火焰长度的短焰型烧嘴。
本实用新型是这样实现的：
在烧嘴喷头内设有内外导风片，内外导风片沿轴向相切排列，夹角45°-60°，并且，内外导风片旋转方向相反。
本实用新型的好处是：由于内外导风片使煤气与空气充分混合，缩短火焰长度，应用于烧结点火炉上时，可以降低点火炉的炉膛高度，提高炉膛内的热强度，并且，降低造价。
图1是燃烧高炉煤气用短焰型烧嘴结构图，
图2是烧嘴喷口处A-A剖面图。
下面结合附图详细说明本实用新型的具体方案：
烧嘴包括：煤气管1，空气管2，喷头3，支座4，喷头内设有内导风片和外导风片，内外导风片旋转方向相反，如：内导风片左旋时，外导风片右旋；内导风片右旋时，外导风片左旋。煤气喷出时，沿着内导风片形成一种旋转气流，而空气喷出时，沿着外导风片形成一种方向相反的旋转气流，这两种方向相反的气流，从喷头喷出后，快速混合燃烧。在没有导风片时，气流从喷头喷出后呈现层流状态，燃烧的火焰长，而有导风片后，气流从喷头喷出后两种方向相反的气流混合呈现紊流状态，从而，使煤气与空气混合速度快，混合充分，燃烧火焰短。

Claims (1)

1.一种燃烧高炉煤气用短焰型烧嘴，包括煤气管(1)，空气管(2)，喷头(3)，支座(4)，其特征在于：在烧嘴喷头(3)内设有内外导风片，内外导风片沿轴向相切排列，夹角45°-60°，并且，内外导风片旋转方向相反。
CN 99224391 1999-07-06 1999-07-06 一种燃烧高炉煤气用短焰型烧嘴 Expired - Fee Related CN2390101Y (zh)

Priority Applications (1)

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CN 99224391 CN2390101Y (zh) 1999-07-06 1999-07-06 一种燃烧高炉煤气用短焰型烧嘴

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 99224391 CN2390101Y (zh) 1999-07-06 1999-07-06 一种燃烧高炉煤气用短焰型烧嘴

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CN2390101Y true CN2390101Y (zh) 2000-08-02

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CN 99224391 Expired - Fee Related CN2390101Y (zh) 1999-07-06 1999-07-06 一种燃烧高炉煤气用短焰型烧嘴

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100427827C (zh) * 2006-05-23 2008-10-22 王志祥 带棱台体射流装置的内燃式高炉煤气专用烧嘴
WO2009094817A1 (fr) * 2008-01-25 2009-08-06 Shanghai Boiler Works Co., Ltd Brûleur pour brûler uniquement un gaz de haut fourneau ou un gaz faiblement calorifique

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100427827C (zh) * 2006-05-23 2008-10-22 王志祥 带棱台体射流装置的内燃式高炉煤气专用烧嘴
WO2009094817A1 (fr) * 2008-01-25 2009-08-06 Shanghai Boiler Works Co., Ltd Brûleur pour brûler uniquement un gaz de haut fourneau ou un gaz faiblement calorifique

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