CN202070280U - 一种锅炉废气旋流板塔 - Google Patents
一种锅炉废气旋流板塔 Download PDFInfo
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- CN202070280U CN202070280U CN2010206317239U CN201020631723U CN202070280U CN 202070280 U CN202070280 U CN 202070280U CN 2010206317239 U CN2010206317239 U CN 2010206317239U CN 201020631723 U CN201020631723 U CN 201020631723U CN 202070280 U CN202070280 U CN 202070280U
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- tower
- eddy flow
- waste gas
- flow plate
- blade
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- 239000002912 waste gases Substances 0.000 title claims abstract description 30
- 239000007789 gases Substances 0.000 claims abstract description 17
- 239000000919 ceramics Substances 0.000 claims abstract description 9
- 239000011901 water Substances 0.000 claims description 12
- 239000003570 air Substances 0.000 claims description 11
- 239000007788 liquids Substances 0.000 abstract description 14
- 239000007921 sprays Substances 0.000 abstract description 10
- 238000010521 absorption reactions Methods 0.000 abstract description 8
- UGFAIRIUMAVXCW-UHFFFAOYSA-N carbon monoxide Chemical compound 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[O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 3
- 239000003546 flue gases Substances 0.000 abstract description 3
- 239000000428 dust Substances 0.000 abstract 1
- 230000014759 maintenance of location Effects 0.000 abstract 1
- 239000000463 materials Substances 0.000 abstract 1
- 238000006477 desulfuration reactions Methods 0.000 description 7
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- 230000000694 effects Effects 0.000 description 5
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- 230000000414 obstructive Effects 0.000 description 3
- 238000000034 methods Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000002956 ash Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000003500 flue dust Substances 0.000 description 1
- 238000005755 formation reactions Methods 0.000 description 1
- 238000009418 renovation Methods 0.000 description 1
- 210000000697 sensory organs Anatomy 0.000 description 1
- 239000011257 shell materials Substances 0.000 description 1
- 239000000953 sodium hydroxide Substances 0.000 description 1
- 229910001856 sodium hydroxide Inorganic materials 0.000 description 1
- 235000011121 sodium hydroxide Nutrition 0.000 description 1
- 229910001890 sulfur dioxide Inorganic materials 0.000 description 1
- RAHZWNYVWXNFOC-UHFFFAOYSA-N sulphur dioxide Chemical compound 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O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 1
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Abstract
Description
一种锅炉废气旋流板塔
技术领域
[0001] 本实用新型是一种锅炉废气旋流板塔,属于锅炉废气脱硫除尘设备的改造技术。 背景技术
[0002] 旋流板自从研制成功以来,迅速从原来的烟气脱水、除雾延伸至除尘、脱硫等各个领域。传统的平面式旋流板由于阻力大、容易堵塞,当空塔流速较高、叶片数量较少或塔高度不够时,经常会出现脱硫效率低,喷淋后的烟气含湿量大,处理后的尾气带有大量的水雾,影响处理后的感观效果等各种问题。另外传统的旋流板塔碱液仅从塔顶部喷淋,容易造成底层旋流板利用效率偏低的问题。
实用新型内容
[0003] 本实用新型的目的在于考虑上述问题而提供一种减小旋流板阻力,提高处理效率,降低尾气中水雾含量的锅炉废气旋流板塔。本实用新型不仅节省空间、成本低、使用安全、操作方便,使用寿命长。本实用新型的目的是解决传统平面式旋流板阻力大、容易堵塞、 处理后尾气水雾量大的问题,同时对传统旋流板塔喷淋方式进行改进,。
[0004] 本实用新型的技术方案是:本实用新型的锅炉废气旋流板塔,包括有进气口、旋流板、塔体、初级进液喷头、陶瓷填料、除雾折板、出气口,其中进气口及初级进液喷头设置在塔体的下部,旋流板设置在塔体的中空腔体内,旋流板的上方设置有能降低处理后废气的含湿量的除雾折板,旋流板与除雾折板之间还装设有上进液喷头,除雾折板的上方、塔体的顶部设置有出气口。
[0005] 上述上进液喷头与除雾折板之间还装设有确保达到脱硫效果的陶瓷填料。
[0006] 上述塔体的中空腔体内设置有沿塔体纵向排布的若干旋流板。
[0007] 上述旋流板包括有盲板、盲板圆环、旋流板叶片、叶片圆环,其中盲板固装于盲板圆环之内,旋流板叶片固装在盲板圆环和叶片圆环之间,将两个圆环连接。
[0008] 本实用新型中的旋流板由于采用不仅在平面上有倾斜角度,叶片安装上也有倾斜角度的结构,大大降低了旋流板的阻力,同时,用于废气脱硫时,由于叶片有倾斜角度,吸收液能从圆心向塔壁流动,增加了液滴在叶片上的停留时间,提高了脱硫效率。用于烟气除尘时,由于旋流板阻力降低,减少了堵塞。同时在进气口喷淋,增加了底层旋流板的利用效率。 本实用新型是一种设计巧妙,性能优良,方便实用的锅炉废气旋流板塔。本实用新型适用于锅炉废气的脱硫或除尘使用。
附图说明
[0009] 图1为本实用新型旋流板塔的主视图;
[0010] 图2为本实用新型旋流板塔的俯视图;
[0011] 图3为本实用新型旋流板的主视图;
[0012] 图4为本实用新型旋流板的俯视图。[0013] 其中1为进气口、2为旋流板、3为塔体、4为进液喷头、5为陶瓷填料、6为除雾折板、7为出气口、8为盲板、9为盲板圆环、10为旋流板叶片、11为叶片圆环。
具体实施方式
[0014] 实施例:
[0015] 本实用新型的结构示意图如图1、2、3、4所示,本实用新型的锅炉废气旋流板塔, 包括有进气口 1、旋流板2、塔体3、初级进液喷头4、陶瓷填料5、除雾折板6、出气口 7,其中进气口 1及初级进液喷头4设置在塔体3的下部,旋流板2设置在塔体3的中空腔体内,旋流板2的上方设置有能降低处理后废气的含湿量的除雾折板6,旋流板2与除雾折板6之间还装设有上进液喷头41,除雾折板6的上方、塔体3的顶部设置有出气口 7。本实施例中, 上述塔体3的中空腔体内设置有沿塔体3纵向排布的若干旋流板2。
[0016] 此外,上述上进液喷头41与除雾折板6之间还装设有确保达到脱硫效果的陶瓷填料5。
[0017] 本实施例中,上述旋流板2包括有盲板8、盲板圆环9、旋流板叶片10、叶片圆环 11,其中盲板8固装于盲板圆环9之内,旋流板叶片10固装在盲板圆环9和叶片圆环11之间,将两个圆环连接。
[0018] 本实用新型如用于锅炉废气的除尘使用,为避免除尘时出现堵塞,可适当增大旋流板2中相邻旋流板叶片10之间的距离。
[0019] 本实用新型的工作原理如下:如附图1所示,锅炉废气从进气口 1进入旋流板塔 3,由于在进气口 3设计初级进液喷头4,废气在进气口 1处与初级进液喷头4喷淋形成的水雾进行传质换热,初步降温和去除部分二氧化硫,然后切向进入旋流板塔的塔体3的中空腔体内。废气在塔内通过旋流板2的加速和旋流,烟尘与经过雾化的吸收液发生碰撞、附着、凝聚、离心分离等综合性的作用,被甩到塔体3的塔壁,随塔体3的塔壁水膜流向塔体3 的塔底。通过旋流板2的设置,使废气在同样高度的塔体3的筒体内旋转次数增加、通过的路径增长,气相紊动剧烈,废气与吸收液在时间和空间上得到充分的碰撞、接触、溶解、吸收。由于塔体3的中空腔体内设计有多套旋流板2,气液两相充分接触,进行传质反应,可确保脱硫效率达到技术要求。此外,由于在多级旋流板2的顶部设计有上进液喷头41,吸收液从上往下喷,废气从下往上逆流。经过上进液喷头41喷淋后的废气已经和吸收液充分混和,再经过一层陶瓷填料5,使气液两相充分接触,进一步提高去除效率,确保达到脱硫的效果。另外,由于锅炉废气温度较高,经过多级混合后吸收液吸热升温大量蒸发,废气中含湿量很大,如不处理,将带有大量的水雾。在旋流板塔的塔体3顶部安装的除雾折板6,通过除雾折板6使水雾附着在板上,再沿塔体3的塔壁流走,降低处理后废气的含湿量。
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