CN101382282B - 一种改良的防止烟气冲刷不均的让管结构 - Google Patents

一种改良的防止烟气冲刷不均的让管结构 Download PDF

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Publication number
CN101382282B
CN101382282B CN2007101316181A CN200710131618A CN101382282B CN 101382282 B CN101382282 B CN 101382282B CN 2007101316181 A CN2007101316181 A CN 2007101316181A CN 200710131618 A CN200710131618 A CN 200710131618A CN 101382282 B CN101382282 B CN 101382282B
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superheater
convection
flue gas
bank
overheater
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CN101382282A (zh
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顾利平
陈弘
王�忠
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Jiangsu Taihu Boiler Co Ltd
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Jiangsu Taihu Boiler Co Ltd
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Abstract

本发明为一种改良的防止烟气冲刷不均的让管结构。其对烟气转向提供了过渡空间,保证烟气充分转向后冲刷管束,确保冲刷均匀。其包括过热器、对流管管束,所述过热器位于炉膛拐角处,所述对流管束位于所述过热器的出口处,其特征在于:在所述过热器与所述对流管束之间设置空档。

Description

一种改良的防止烟气冲刷不均的让管结构
(一)技术领域
本发明涉及燃气锅炉部件,具体为一种改良的防止烟气冲刷不均的让管结构。
(二)背景技术
对于双锅筒纵向布置的锅炉,由于其结构特点,决定了过热器只能布置于炉膛的一角,烟气经过过热器拐弯后进入对流管束、烟道、省煤器,最后排出。由于烟气在高压下高速流动,拐弯后直接对对流管束进行冲刷。由于没有任何缓冲,高速烟气从过热器出来时由于强大的冲击力和惯性作用,靠近过热器内侧的对流管束就不易被冲刷到,从而造成冲刷不均匀,且烟气的方向没有完全改变过来,且带有弧度,这样一方面造成冲刷不均匀,另一方面加剧了对流管束的震动。
(三)发明内容
针对上述问题,本发明提供了一种改良的防止烟气冲刷不均的让管结构,其对烟气转向提供了过渡空间,保证烟气充分转向后冲刷管束,确保冲刷均匀。
其通过以下方案实现:其包括过热器、对流管管束,所述过热器位于炉膛拐角处,所述对流管束位于所述过热器的出口处,其特征在于:在所述过热器与所述对流管束之间设置空档。
其进一步特征在于:所述空档与所述过热器接壤部位的上半部分设置有对流管。
将本发明用于燃气锅炉,烟气从过热器出来后在空档处回转,在该空间内过渡后,烟气的方向彻底改变,确保对管束的均匀冲刷,而空档与所述过热器接壤部位的上半部分设置的对流管可以防止回转的烟气倒流,进一步保证了对对流管束充分而均匀的冲刷。
(四)附图说明
图1为本发明的结构示意图。
(五)具体实施方式
见图1,本发明包括过热器5、对流管管束6,过热器5位于炉膛7拐角处,对流管束6位于过热器5的出口处,在过热器5与对流管束6之间设置空档9。空档9与过热器5接壤部位的上半部分设置有对流管6a,1为防震板、2为烟道、3为省煤器、4为烟囱、8为燃烧器。

Claims (2)

1.一种改良的防止烟气冲刷不均的让管结构,其包括过热器、对流管管束,所述过热器位于炉膛拐角处,所述对流管束位于所述过热器的出口处,其特征在于:在所述过热器与所述对流管束之间设置空档。
2.根据权利要求1所述一种改良的防止烟气冲刷不均的让管结构,其特征在于:所述空档与所述过热器接壤部位的上半部分设置有对流管。
CN2007101316181A 2007-09-04 2007-09-04 一种改良的防止烟气冲刷不均的让管结构 Expired - Fee Related CN101382282B (zh)

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CN2007101316181A CN101382282B (zh) 2007-09-04 2007-09-04 一种改良的防止烟气冲刷不均的让管结构

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CN2007101316181A CN101382282B (zh) 2007-09-04 2007-09-04 一种改良的防止烟气冲刷不均的让管结构

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CN101382282A CN101382282A (zh) 2009-03-11
CN101382282B true CN101382282B (zh) 2011-11-23

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0777758B1 (en) * 1994-10-03 1998-12-30 Foster Wheeler Energia Oy Arrangement in a wall and a method of coating a wall
CN2618063Y (zh) * 2003-05-19 2004-05-26 寇天平 循环流化床锅炉水冷壁管防磨损装置
CN2718411Y (zh) * 2004-07-07 2005-08-17 中国科学院工程热物理研究所 一种带防磨让管结构的水冷壁
CN2797822Y (zh) * 2005-04-13 2006-07-19 陈健峰 管道连接器
CN2847056Y (zh) * 2005-06-10 2006-12-13 王有良 一种循环硫化床锅炉
CN201137922Y (zh) * 2007-09-04 2008-10-22 顾利平 防止烟气冲刷不均的让管结构

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0777758B1 (en) * 1994-10-03 1998-12-30 Foster Wheeler Energia Oy Arrangement in a wall and a method of coating a wall
CN2618063Y (zh) * 2003-05-19 2004-05-26 寇天平 循环流化床锅炉水冷壁管防磨损装置
CN2718411Y (zh) * 2004-07-07 2005-08-17 中国科学院工程热物理研究所 一种带防磨让管结构的水冷壁
CN2797822Y (zh) * 2005-04-13 2006-07-19 陈健峰 管道连接器
CN2847056Y (zh) * 2005-06-10 2006-12-13 王有良 一种循环硫化床锅炉
CN201137922Y (zh) * 2007-09-04 2008-10-22 顾利平 防止烟气冲刷不均的让管结构

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