CN2244136Y - 燃煤锅炉全封闭式挡火墙 - Google Patents

燃煤锅炉全封闭式挡火墙 Download PDF

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CN2244136Y
CN2244136Y CN 95231083 CN95231083U CN2244136Y CN 2244136 Y CN2244136 Y CN 2244136Y CN 95231083 CN95231083 CN 95231083 CN 95231083 U CN95231083 U CN 95231083U CN 2244136 Y CN2244136 Y CN 2244136Y
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刘铭
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Abstract

一种燃煤锅炉全封闭式挡火墙，就是在燃煤锅炉的炉膛内部的锅炉保温层的内侧、后烟箱的前部砌设一道全封闭式挡火墙。全封闭式挡火墙内设有10个螺旋形排烟火管道孔。其中，在全封闭式挡火墙外侧下方的4个螺旋形排烟火管道孔的排出端设有落尘管和落尘集箱。全封闭式挡火墙内还设有10个排烟管和3个排尘孔。砌设全封闭式挡火墙的锅炉可以节煤10-25％，降低排尘量30％。

Description

燃煤锅炉全封闭式挡火墙
本实用新型涉及燃煤锅炉全封闭式挡火墙。
已知的燃煤锅炉的炉腔内部不存在全封闭式挡火墙，所以具有煤耗高和排尘量大而造成大气污染严重等缺点。
本实用新型的发明创造目的是在燃煤锅炉的炉膛内增设全封闭式挡火墙，从而取得节煤和减少大气污染的积极效果。
本实用新型的燃煤锅炉全封闭式挡火墙是在炉膛内部的锅炉保温层的内侧、后烟箱的前部砌设一道全封闭式挡火墙，全封闭式挡火墙内设有多个排烟火管道孔。排烟火管道孔的最佳形状是螺旋形排烟火管道孔。在螺旋形排烟火管道孔的排出端设有落尘管和落尘集箱。全封闭式挡火墙内还可以设有数个排烟直管和排尘孔。
燃煤锅炉全封闭式挡火墙能延长高温烟气在炉腔内的燃烧时间，增长烟气行程，使燃煤火焰汇集在全封闭式挡火墙前部进行高温强化燃烧，全封闭式挡火墙具有储存热量和释放热量的功能、还有降低由于烟囱对锅炉所产生的自然抽力作用而造成的热量损失，从而砌设全封闭式挡火墙的锅炉点火启动快、炉内燃烧工况好、烟火管不易堵塞、传热效果好，排烟温度低。生产结束后不向炉排火床投压煤炭、尚能保持炉膛在20个小时间隔内不灭火。与没有全封闭式挡火墙的锅炉相比较，炉腔内温度提高30℃-40℃，循环水的时间可以增加一个半小时。从而，砌设全封闭式挡火墙的燃煤锅炉可以节煤10％-25％，排尘量可以降低30％，减少了大气污染。由于全封闭式挡火墙能减轻烟气流经锅炉的金属表面的冲刷磨损，从而延长了锅炉的使用寿命。
图1燃煤锅炉全封闭式挡火墙示意图
图2图1的A-A剖面图
图3图1的B-B剖面图
图4图1的俯视图
最佳实施例：燃煤锅炉全封闭式挡火墙是在卧式燃煤锅炉的炉膛内部的锅炉保温层(1)的内侧、后烟箱的前部砌设一道全封闭式挡火墙。全封闭式挡火墙内设有10个螺旋形排烟火管道孔(2)。其中，在全封闭式挡火墙外侧下方的4个螺旋形排烟火管道孔的排出端设有落尘管(5)和落尘集箱(6)，全封闭式挡火墙内还设有10个排烟管(3)和3个排尘孔(4)。燃煤锅炉全封闭式挡火墙主要以耐火混凝土和异型耐火砖砌制而成。

Claims (4)

1、一种燃煤锅炉全封闭式挡火墙，其特征是在炉膛内部的锅炉保温层的内侧、后烟箱的前部砌设一道全封闭式挡火墙，全封闭式挡火墙内设有多个排烟火管道孔。
2、根据权利要求1所述的挡火墙，其特征在于排烟火管道孔的最佳形状是螺旋形排烟火管道孔。
3、根据权利要求1和2所述的挡火墙，其特征是在螺旋形排烟火管道孔的排出端设有落尘管和落尘集箱。
4、根据权利要求1和2所述的挡火墙，其特征是在全封闭式挡火墙内还可以设有数个排烟直管和排尘孔。
CN 95231083 1995-05-11 1995-05-11 燃煤锅炉全封闭式挡火墙 Expired - Fee Related CN2244136Y (zh)

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CN 95231083 CN2244136Y (zh) 1995-05-11 1995-05-11 燃煤锅炉全封闭式挡火墙

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CN 95231083 CN2244136Y (zh) 1995-05-11 1995-05-11 燃煤锅炉全封闭式挡火墙

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102121747A (zh) * 2010-12-28 2011-07-13 朱宏锋 一种锅炉

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102121747A (zh) * 2010-12-28 2011-07-13 朱宏锋 一种锅炉
CN102121747B (zh) * 2010-12-28 2013-05-01 朱宏锋 一种锅炉

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