CN201168563Y - 气动导流除尘脱硫装置 - Google Patents
气动导流除尘脱硫装置 Download PDFInfo
- Publication number
- CN201168563Y CN201168563Y CNU2008201013460U CN200820101346U CN201168563Y CN 201168563 Y CN201168563 Y CN 201168563Y CN U2008201013460 U CNU2008201013460 U CN U2008201013460U CN 200820101346 U CN200820101346 U CN 200820101346U CN 201168563 Y CN201168563 Y CN 201168563Y
- Authority
- CN
- China
- Prior art keywords
- dust
- water
- tower
- conservancy diversion
- pneumatic
- Prior art date
Links
- 239000000428 dust Substances 0.000 title claims abstract description 58
- 239000011901 water Substances 0.000 claims abstract description 109
- 239000007789 gases Substances 0.000 claims abstract description 43
- 239000002956 ash Substances 0.000 claims abstract description 18
- 230000003009 desulfurizing Effects 0.000 claims description 44
- 239000007788 liquids Substances 0.000 claims description 8
- 238000005406 washing Methods 0.000 claims description 4
- 239000000779 smoke Substances 0.000 abstract description 10
- 238000006297 dehydration reactions Methods 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000007599 discharging Methods 0.000 abstract 3
- 238000010298 pulverizing process Methods 0.000 abstract 2
- 239000007921 sprays Substances 0.000 abstract 2
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 238000005755 formation reactions Methods 0.000 abstract 1
- 239000008400 supply water Substances 0.000 abstract 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N carbon monoxide Chemical compound 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[O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 24
- 239000003546 flue gases Substances 0.000 description 24
- 238000006477 desulfuration reactions Methods 0.000 description 13
- 239000011257 shell materials Substances 0.000 description 8
- 238000000034 methods Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 238000010521 absorption reactions Methods 0.000 description 3
- 238000005516 engineering processes Methods 0.000 description 3
- 229910001890 sulfur dioxide Inorganic materials 0.000 description 3
- RAHZWNYVWXNFOC-UHFFFAOYSA-N sulphur dioxide Chemical compound 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O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 3
- 210000003800 Pharynx Anatomy 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000010438 granite Substances 0.000 description 2
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- NINIDFKCEFEMDL-UHFFFAOYSA-N sulfur Chemical compound 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Abstract
本实用新型公开气动导流除尘脱硫装置，包括除尘塔、气动导流脱硫塔、水膜除尘器及副筒，除尘塔顶部设烟气进口，底部设排灰和水的口，内壁上设雾化螺旋喷头，除尘塔下部设通向气动导流脱硫塔的出口，气动导流脱硫塔为环绕在水膜除尘器的塔体，其内壁上设导流板，顶壁上设雾化螺旋喷头，下部设排灰和水的口，气动导流脱硫塔与水膜除尘器下部入口连接，水膜除尘器顶端设烟气出口，底部设排灰和水的口，副筒与烟气出口相连，工作时，烟气先通过除尘塔进行除尘，然后进入气动导流脱硫塔内进行脱硫，再进入水膜除尘器进行除雾脱水，最后经副筒进入引风机到烟囱排放。本实用新型能耗低，除尘脱硫效率高，不易结垢，使用寿命长且补水量小。
Description
气动导流除尘脱硫装置技术领域本实用新型涉及大气污染防治技术领域，尤其是涉及除尘脱硫设备 领域，特别是指对已有文丘里水膜除尘装置的改造后形成的一种气动导 流除尘脱硫装置。背景技术现在适用于中小型锅（窑）炉的烟气除尘脱硫设备主要是采用湿法 除尘脱硫器。湿法除尘脱硫就是利用水或脱硫剂与烟气接触时，捕集烟 气中的粉尘并吸收烟气中的二氧化硫。目前国内大多数中小型锅（窑） 炉都使用了麻石水膜除尘装置。其主要由文丘里进烟管和筒体构成。文 丘里进烟管一端为烟气进口，另一端以蜗壳方式连接筒体，在文丘里进 烟管喉部设有喷头。筒体顶部为烟气出口，上部设有溢流槽，底部设有 灰斗和溢水口 。麻石水膜除尘器的工作原理是：锅炉排出的烟气由烟气进口进入进 烟管。在烟气流经麻石进烟管的喉部时，烟气中的粉尘与喷管喷出的水 雾接触后，碰撞凝结成含尘液滴。然后烟气由筒体下部切向进入筒体内， 并在离心力的作用下旋转上升，烟气中的液滴和尘粒被甩向筒壁并与溢 流槽产生的水膜接触。烟气中的少量二氧化硫与水膜接触时被吸收，粉 尘随水膜一起流到筒体底部灰斗，并通过溢水口排出筒体。净化后的烟 气从筒体的顶部烟气出口排出。现有技术的不足之处：(1)气液接触面积小、接触时间短，造成除尘效果一般，脱硫效率低。(2 )处理微尘和大量低浓度气态污染物的过程中往往需要付出很 高的能耗。(3) 设备易结垢、堵塞，材料易被腐蚀，使用寿命短。(4) 烟气 带水现象普遍存在，造成引风机和烟囱寿命减少。(5)循环用水量大，补水量大。 实用新型内容本实用新型的目的在于提供一种气动导流除尘脱硫装置，其可克服 现有缺点，能耗低，除尘脱硫效率高，不易结垢，使用寿命长且补水量 小。为实现上述目的，本实用新型所采用技术方案为： 一种气动导流除 尘脱硫装置，其包括除尘塔、气动导流脱硫塔及水膜除尘器，除尘塔顶 部设有烟气进口 ，底部设有水封式排灰和水的口 ，内壁上装有雾化螺旋 喷头，除尘塔的下部设有通向气动导流脱硫塔的出口 ，气动导流脱硫塔 为环绕在水膜除尘器的塔体，其连接了除尘塔和水膜除尘器，其内壁上 设置有导流板，顶壁上设置有雾化螺旋喷头，其下部设有水封式排灰和 水的口，气动导流脱硫塔与水膜除尘器下部入口连接，水膜除尘器顶端 设有烟气出口 ，底部:&有排灰和水的口 。所述的气动导流除尘脱硫装置，其还包括一副筒，副筒与水膜除尘 器顶端的烟气出口相连，副筒壁上设置有引风机，副筒底部设有排灰和 水的口 。所述的气动导流脱硫塔，其内壁上设置的导流板为一组，雾化螺旋 喷头也为 一组，雾化螺旋喷头设置在导流板之间的顶壁上。 所述的气动导流脱硫塔内导流板为交错设置。所述的除尘塔内壁上装有雾化螺旋喷头为一组，其与洗涤液管道相连。所述的水膜除尘器上部设有溢流槽，所述的水膜除尘器内壁上设有 喷头。所述的水膜除尘器塔体上部设有脱水器。本实用新型采用上述技术方案以后，工作时，烟气先通过除尘塔进 行除尘，然后切向进入气动导流脱硫塔内，通过气动导流脱硫塔内的隔 成S型烟气通道的导流板及高效雾化螺旋喷头进行高效脱硫，再切向进 入水膜除尘器进行除雾脱水，最后经副筒进入引风机到烟自排放，本实 用新型与现有技术相比，具有以下优点：(l)投资成本低：由于改造后系统阻力没有很大变化，原有引风 机一般可以正常运行，从而减少了改造成本；(2) 所需空间小：本实用新型直接在已有的水膜除尘装置基础上进行改造，不另占用场地。特别适合场地不宽裕的情况下的除尘脱硫改造。(3) 运行成本低：本实用新型除尘脱硫所需的循环水量和耗水量 比其他技术相比要小，因此不论是水耗还是电耗，与其他技术相比都较 低，具有优势。(4) 脱硫效率高：本实用新型采用气动导流脱硫塔进行脱硫，增 加了烟气与脱硫剂的接触面积和接触时间，极大地提高了本设备的脱硫 效率，脱硫效率高达85°/。以上。可用于双碱法、碱法、废碱法、氧化镁 等各种除尘脱硫工艺。(5) 除尘效果好：本实用新型中，烟气先进入高效雾化除尘塔进 行一级除尘，再进入气动导流脱硫塔，在脱碌u的同时进行二级除尘，保 证了很高的除尘效率。(6) 防结垢、防堵性能好，运行稳定，安全性能高：本实用新型 采用导流技术，不会产生结垢、堵塞现象，保证了除尘脱硫的正常进行。 若改造成旋流板式除尘脱硫设备，其最大缺点是容易结垢，导致通道堵 塞，从而使设备阻力增大，不仅影响了除尘脱硫效率，还造成了风机负 荷力口大。(7) 风机不易带水，大大增加了风机寿命：烟气在经过除尘、脱 硫后，进入已有的水膜除尘器进行脱水除雾，在塔内旋转离心作用下， 脱水效果很好。处理后引风机不易带水。避免了由于引风机带水，造成 叶轮被腐蚀后寿命减少。(8) 使用寿命长：本实用新型全部采用花岗岩制成，耐酸、耐腐 蚀，使用寿命长，可以正常使用10-20年。附图说明图1为本实用新型的平面结构示意图； 图2为图1A-A剖S见图； 图3为图1B — B吾'j一见图。具体实施方式请参阅图l至图3所示，本实用新型公开了一种气动导流除尘脱硫装置，其包括除尘塔l、气动导流脱硫塔2及水膜除尘器3,其中：除尘塔l顶部设有烟气进口 11，底部设有水封式排灰和水的口 12, 内壁上装有一组雾化螺旋喷头13,其与洗涤液管道（图中未示出）相连； 除尘塔1的下部设有通向气动导流脱硫塔2的出口 14。气动导流脱硫塔2为环绕在水膜除尘器3的塔体，其连接了除尘塔 1和水膜除尘器3，其内壁上设置有一组导流板21，导流板21为交错设 置， 一组雾化螺旋喷头22设置在导流板21之间的顶壁，螺旋喷头22 与吸收液管道（图中未示出）相连接，气动导流脱硫塔2下部设有水封 式排灰和水的口 23，气动导流脱^f克塔2与水膜除尘器3下部入口 33连接。 水膜除尘器3顶端设有烟气出口 31，底部设有排灰和水的口 32,上 部设有溢流槽34,溢流槽34与洗涤液管道24相连接，内壁上根据需要 可设有喷头35，水膜除尘器3塔体上部设有脱水器36,烟气出口31与 一副筒4相连，副筒4壁上设置有引风机接口 41，副筒4底部设有排灰 和水的口 42。烟气从除尘塔1顶部的烟气进口 ll进入除尘塔l,除尘塔l内壁装 有的高效雾化螺旋喷头13将洗涤液雾化成小液滴散布到烟气之中，烟 气与小液滴在除尘塔l内充分接触，使烟气中的固体粉尘吸附在液滴上 并凝结成较大颗粒，并在重力和惯性的作用下，大部分落入除尘塔l底 部，带有粉尘的洗涤液从排灰和水的口 12排出，进入废水处理系统。 经过除尘后的烟气由除尘塔1下部的出口 14切向进入气动导流脱^5危塔 2。气动导流脱硫塔2内侧壁设有的一组导流板21，其将气动导流脱硫 塔2内部分隔成S型烟气通道，导流板21之间的塔顶上设置的高效雾 化螺旋喷头22将吸收液雾化成小液滴散布到烟气之中。烟气在气动导 流脱硫塔2内与吸收液的小液滴充分混合，烟气中的二氧化硫被液滴充 分吸收。吸收了二氧化硫的液滴， 一部分在重力和惯性的作用下直接落 入气动导流脱硫塔2底部，另 一部分在旋流离心力的作用下，甩向脱硫 塔塔壁，沿塔壁汇集下流至塔底。吸收了二氧化硫的吸收剂由气动导流 脱硫塔2底部的排灰和水的口 23排出，进入废水处理系统。烟气经过 脱硫后，由水膜除尘器3下部入口 33沿切向进入水膜除尘器3。烟气中 含有的剩余部分液滴，在水膜除尘器3中再次分离，达到了除雾脱水的 效果。净化后的烟气从已有水膜除尘器3顶端的烟气出口 31经副筒4 从？ 1风机接口 41进入？ 1风机，最后到烟囱排放。虽然通过实施例描绘了本发明，本领域普通技术人员知道，本发明 有许多变形和变化而不脱离本发明的精神，希望所附的权利要求包括这 些变形和变化而不脱离本发明的精神。
Claims (8)
1、一种气动导流除尘脱硫装置，其特征在于：其包括除尘塔(1)、气动导流脱硫塔(2)及水膜除尘器(3)，除尘塔(1)顶部设有烟气进口(11)，底部设有水封式排灰和水的口(12)，内壁上装有雾化螺旋喷头(13)，除尘塔(1)的下部设有通向气动导流脱硫塔(2)的出口(14)，气动导流脱硫塔(2)为环绕在水膜除尘器(3)的塔体，其连接了除尘塔(1)和水膜除尘器(3)，其内壁上设置有导流板(21)，顶壁上设置有雾化螺旋喷头(22)，其下部设有水封式排灰和水的口(23)，气动导流脱硫塔(2)与水膜除尘器(3)下部入口(33)连接，水膜除尘器(3)顶端设有烟气出口(31)，底部设有排灰和水的口(32)。
2、 如权利要求1所述的气动导流除尘脱硫装置，其特征在于：其 还包括一副筒（4),副筒（4)与水膜除尘器（3)顶端的烟气出口 （31) 相连，副筒（4)壁上设置有引风机接口 （41),副筒（4)底部设有排 灰和水的口 （42)。
3、 如权利要求1或2所述的气动导流除尘脱硫装置，其特征在于： 所述的气动导流脱硫塔（2),其内壁上设置的导流板（21)为一组，雾 化螺旋喷头（22 )也为一组，雾化螺旋喷头（22 )设置在导流板（21 ) 之间的顶壁上。
4、 如权利要求3所述的气动导流除尘脱硫装置，其特征在于：气 动导流脱硫塔（2)内导流板（21)为交错设置。
5、 如权利要求4所述的气动导流除尘脱硫装置，其特征在于：所 述的除尘塔（1)内壁上装有雾化螺旋喷头（13)为一组，其与洗涤液 管道相连。
6、 如权利要求5所述的气动导流除尘脱硫装置，其特征在于：所 述的水膜除尘器（3 )上部设有溢流槽（34 )。
7、 如权利要求6所述的气动导流除尘脱硫装置，其特征在于：所 述的水膜除尘器（3)内壁上设有喷头（35)。
8、 如权利要求7所述的气动导流除尘脱^L装置，其特征在于：所 述的水膜除尘器（3 )塔体上部设有脱水器（36 )。
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102312272A (zh) * | 2011-06-30 | 2012-01-11 | 无锡出新环保设备有限公司 | 镀液冷却装置 |
| CN102614727A (zh) * | 2012-04-26 | 2012-08-01 | 国兴玉 | 一种粉尘仓除尘装置 |
| CN103182229A (zh) * | 2013-03-06 | 2013-07-03 | 深圳市捷龙标牌有限公司 | 节能除尘节能中水系统 |
| CN103736352A (zh) * | 2014-01-13 | 2014-04-23 | 江苏苏菱铝用阳极有限公司 | 多级湿法烟气除尘塔 |
| CN104208968A (zh) * | 2014-08-27 | 2014-12-17 | 昆山黑格特温控设备有限公司 | 一种秸秆锅炉除尘装置 |
| CN104501196A (zh) * | 2014-12-30 | 2015-04-08 | 黑龙江国德节能服务有限公司 | 燃气锅炉烟气清洁排放装置及烟气清洁方法 |
| CN110026031A (zh) * | 2019-04-30 | 2019-07-19 | 山东海方智能科技股份有限公司 | 一种供热系统用烟气处理器 |
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2008
- 2008-02-03 CN CNU2008201013460U patent/CN201168563Y/zh not_active IP Right Cessation
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102312272A (zh) * | 2011-06-30 | 2012-01-11 | 无锡出新环保设备有限公司 | 镀液冷却装置 |
| CN102312272B (zh) * | 2011-06-30 | 2014-06-18 | 无锡出新环保设备有限公司 | 镀液冷却装置 |
| CN102614727A (zh) * | 2012-04-26 | 2012-08-01 | 国兴玉 | 一种粉尘仓除尘装置 |
| CN103182229A (zh) * | 2013-03-06 | 2013-07-03 | 深圳市捷龙标牌有限公司 | 节能除尘节能中水系统 |
| CN103736352A (zh) * | 2014-01-13 | 2014-04-23 | 江苏苏菱铝用阳极有限公司 | 多级湿法烟气除尘塔 |
| CN104208968A (zh) * | 2014-08-27 | 2014-12-17 | 昆山黑格特温控设备有限公司 | 一种秸秆锅炉除尘装置 |
| CN104501196A (zh) * | 2014-12-30 | 2015-04-08 | 黑龙江国德节能服务有限公司 | 燃气锅炉烟气清洁排放装置及烟气清洁方法 |
| CN110026031A (zh) * | 2019-04-30 | 2019-07-19 | 山东海方智能科技股份有限公司 | 一种供热系统用烟气处理器 |
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