CN202893175U - 烧结机烟气脱硫脱硝一体化装置 - Google Patents
烧结机烟气脱硫脱硝一体化装置 Download PDFInfo
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- CN202893175U CN202893175U CN 201220633102 CN201220633102U CN202893175U CN 202893175 U CN202893175 U CN 202893175U CN 201220633102 CN201220633102 CN 201220633102 CN 201220633102 U CN201220633102 U CN 201220633102U CN 202893175 U CN202893175 U CN 202893175U
- Authority
- CN
- China
- Prior art keywords
- tower
- flue gas
- sintering machine
- gypsum
- denitrification integrated
- Prior art date
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N carbon monoxide Chemical compound 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[O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 36
- 239000003546 flue gases Substances 0.000 title claims abstract description 35
- 238000005245 sintering Methods 0.000 title claims abstract description 18
- 238000006477 desulfuration reactions Methods 0.000 title abstract description 12
- 230000003009 desulfurizing Effects 0.000 title abstract description 12
- 239000010440 gypsum Substances 0.000 claims abstract description 16
- 229910052602 gypsum Inorganic materials 0.000 claims abstract description 16
- 229930014058 Urea Natural products 0.000 claims abstract description 15
- 239000004202 carbamide Substances 0.000 claims abstract description 15
- XSQUKJJJFZCRTK-UHFFFAOYSA-N urea Chemical compound 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Abstract
本实用新型提供了一种烧结机烟气脱硫脱硝一体化装置，由塔体、进气装置、尿素溶液装置、石灰制浆装置、循环泵装置、石膏脱水装置组成。所述塔体包括：位于塔体侧面的进烟气口、位于塔体顶部的排烟气口、自上而下悬挂于塔体内的除雾反冲洗装置、循环喷淋装置、尿素溶液喷淋装置、位于塔体底部的储液槽、位于储液槽底部的石膏浆液排出管，所述塔体与尿素溶液装置、石灰制浆装置、循环泵装置、石膏脱水装置通过管道连接，所述进气装置设有烟气喷淋降温装置，所述循环喷淋装置分为上下3层。与现有技术相比，本实用新型将脱硫与脱硝装置组合为一体，减少了占地面积，节约了设备投资，且净化效果好，能耗低，无二次污染。
Description
烧结机烟气脱硫脱硝一体化装置
技术领域
[0001] 本实用新型涉及一种环保净化设备，尤其涉及一种用于对烧结机排放烟气进行净化处理的烧结机烟气脱硫脱硝一体化装置。
背景技术
[0002] 在现有的烧结机烟气净化处理工艺中，大多采用湿法脱硫后再进行湿法脱硝，脱硝效率高，但要建一套独立的湿法脱硝系统，投资较大，占地面积大，而烧结机排烟温度，一般在100-140°C左右，达不到SCR反应器的烟气温度要求，因此不能直接采用SCR脱硝工艺，不利于对已有石灰-石膏湿法烟气脱硫系统进行增加脱硝装置的改造。
[0003] 鉴于此，有必要提供一种新的烧结机烟气脱硫脱硝一体化装置来解决上述技术问题。
发明内容
[0004] 本实用新型所解决的技术问题在于提供一种投资少、占地面积小、运行成本低、净化效果好的烧结机烟气脱硫脱硝一体化装置。
[0005] 为解决上述技术问题，本实用新型采用如下技术方案：一种烧结机烟气脱硫脱硝一体化装置，由塔体、进气装置、尿素溶液装置、石灰制浆装置、循环泵装置、石膏脱水装置组成。所述塔体包括：位于塔体侧面的进烟气口、位于塔体顶部的排烟气口、自上而下悬挂于塔体内的除雾反冲洗装置、循环喷淋装置、尿素溶液喷淋装置、位于塔体底部的储液槽、位于储液槽底部的石膏浆液排出管，所述塔 体与尿素溶液装置、石灰制浆装置、循环泵装置、石膏脱水装置通过管道连接。
[0006] 作为本技术方案的进一步改进，所述进气装置设有烟气喷淋降温装置。
[0007] 作为本技术方案的进一步改进，所述循环喷淋装置分为上下3层，每层设有若干喷嘴，上下层喷嘴错开30度。
[0008] 与现有技术相比，本实用新型烧结机烟气脱硫脱硝一体化装置将脱硫与脱硝装置组合为一体，减少了占地面积，节约了设备投资，且净化效果好，能耗低，无二次污染。
[0009]【附图说明】
[0010] 图1为本实用新型所述的烟气脱硫脱硝一体化装置的结构示意图。
[0011] 图2为本实用新型所述的烟气脱硫脱硝一体化装置的循环喷淋装置的单层结构示意图。
[0012]【具体实施方式】
[0013] 请参阅图1-图2所示，本实用新型提供一种烧结机烟气脱硫脱硝一体化装置，由塔体1、进气装置2、尿素溶液装置3、石灰制浆装置4、循环泵装置5、石膏脱水装置6组成。所述塔体包括：位于塔体侧面的进烟气口 11、位于塔体顶部的排烟气口 12、自上而下悬挂于塔体内的除雾反冲洗装置13、循环喷淋装置14、尿素溶液喷淋装置15、位于塔体底部的储液槽16、位于储液槽底部的石膏浆液排出管17，所述塔体I与尿素溶液装置3、石灰制浆装置4、循环泵装置5、石膏脱水装置6通过管道连接；所述进气装置2设有烟气喷淋降温装置21。所述循环喷淋装置14分为上下三层，每层设有若干喷嘴141，上下层喷嘴错开30度。
[0014] 本实用新型的工作过程为：烧结机烟气首先进入进气装置2，由烟气喷淋降温装置21降温后经进烟气口 11入塔体I，素溶液装置3将尿素溶液制成5%溶液，泵入塔体经尿素溶液喷淋装置15喷出，石灰制浆装置4将石灰粉加水制成浓度为10-15%的浆液，泵入塔体I底部的储液槽16，经循环泵装置5泵入循环喷淋装置14，经喷嘴15喷出，进入塔体的烧结机烟气经喷淋脱硝脱硫后，由排烟气口 12排出。储液槽16与循环泵装置5及循环喷淋装置14形成循环通路，脱硫脱销浆液可闭路循环反复使用，沉淀后的石膏经石膏脱水装置6脱水。
[0015] 本实用新型所述的烧结机烟气脱硫脱硝一体化装置，脱硫与与脱硝装置组合为一体，结构合理，同时完成脱硫与脱硝工作，脱硫率达95%以上，脱硝率达70%以上，能耗低，占地面积小，操作简单，维护方便。
[0016] 以上所述，仅是本实用新型的最佳实施例而已，并非对本实用新型作任何形式上的限制，任何熟悉本领域的技术人员，在不脱离本实用新型技术方案范围情况下，利用上述揭示的方法内容对本实用新型技术方案做出许多可能的变动和修饰，均属于权利要求书保护的范围。
Claims (3)
1. 一种烧结机烟气脱硫脱硝一体化装置，由塔体、进气装置、尿素溶液装置、石灰制浆装置、循环泵装置、石膏脱水装置组成，其特征在于：所述塔体包括：位于塔体侧面的进烟气口、位于塔体顶部的排烟气口、自上而下悬挂于塔体内的除雾反冲洗装置、循环喷淋装置、尿素溶液喷淋装置、位于塔体底部的储液槽、位于储液槽底部的石膏浆液排出管，所述塔体与尿素溶液装置、石灰制浆装置、循环泵装置、石膏脱水装置通过管道连接。
2.根据权利要求1所述的烧结机烟气脱硫脱硝一体化装置，其特征在于：所述进气装置设有烟气喷淋降温装置。
3.根据权利要求1所述的烧结机烟气脱硫脱硝一体化装置，其特征在于：所述循环喷淋装置分为上下3层，每层设有若干喷嘴，上下层喷嘴错开30度。
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103566738A (zh) * | 2013-10-23 | 2014-02-12 | 中国核电工程有限公司 | 一种氮氧化物尾气吸收工艺及系统 |
| CN104815547A (zh) * | 2015-04-09 | 2015-08-05 | 瓮福（集团）有限责任公司 | 一种磷精矿脱硫系统 |
| CN105032137A (zh) * | 2015-04-25 | 2015-11-11 | 张少篪 | 一种生石灰-氨水联合烟气脱硫脱硝一体化装置 |
| CN105536534A (zh) * | 2016-01-16 | 2016-05-04 | 江阴市尚时环境工程有限公司 | 烟气脱硫脱硝深度除尘系统 |
| CN105536477A (zh) * | 2016-01-16 | 2016-05-04 | 江阴市尚时环境工程有限公司 | 高效低成本烟气脱硫脱硝深度除尘系统 |
| CN105536533A (zh) * | 2016-01-16 | 2016-05-04 | 江阴市尚时环境工程有限公司 | 脱硫脱硝深度除尘塔的滤液循环系统 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103566738A (zh) * | 2013-10-23 | 2014-02-12 | 中国核电工程有限公司 | 一种氮氧化物尾气吸收工艺及系统 |
| CN103566738B (zh) * | 2013-10-23 | 2016-05-11 | 中国核电工程有限公司 | 一种氮氧化物尾气吸收工艺及系统 |
| CN104815547A (zh) * | 2015-04-09 | 2015-08-05 | 瓮福（集团）有限责任公司 | 一种磷精矿脱硫系统 |
| CN105032137A (zh) * | 2015-04-25 | 2015-11-11 | 张少篪 | 一种生石灰-氨水联合烟气脱硫脱硝一体化装置 |
| CN105536534A (zh) * | 2016-01-16 | 2016-05-04 | 江阴市尚时环境工程有限公司 | 烟气脱硫脱硝深度除尘系统 |
| CN105536477A (zh) * | 2016-01-16 | 2016-05-04 | 江阴市尚时环境工程有限公司 | 高效低成本烟气脱硫脱硝深度除尘系统 |
| CN105536533A (zh) * | 2016-01-16 | 2016-05-04 | 江阴市尚时环境工程有限公司 | 脱硫脱硝深度除尘塔的滤液循环系统 |
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