CN2746971Y - 脱硫脱硝一体化烟气净化塔 - Google Patents

脱硫脱硝一体化烟气净化塔 Download PDF

Info

Publication number
CN2746971Y
CN2746971Y CN 200420109457 CN200420109457U CN2746971Y CN 2746971 Y CN2746971 Y CN 2746971Y CN 200420109457 CN200420109457 CN 200420109457 CN 200420109457 U CN200420109457 U CN 200420109457U CN 2746971 Y CN2746971 Y CN 2746971Y
Authority
CN
China
Prior art keywords
section
desulfurization
tower body
absorption liquid
flue gas
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CN 200420109457
Other languages
English (en)
Inventor
徐长香
罗静
陈文杰
傅国光
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu New Century Jiangnan Environmental Protection Co., Ltd.
Original Assignee
ZHENJIANG JIANGNAN ENVIRONMENTAL PROTECTION EQUIPMENT INST
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ZHENJIANG JIANGNAN ENVIRONMENTAL PROTECTION EQUIPMENT INST filed Critical ZHENJIANG JIANGNAN ENVIRONMENTAL PROTECTION EQUIPMENT INST
Priority to CN 200420109457 priority Critical patent/CN2746971Y/zh
Application granted granted Critical
Publication of CN2746971Y publication Critical patent/CN2746971Y/zh
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Landscapes

  • Treating Waste Gases (AREA)

Abstract

本实用新型属于环保设备，涉及一种用氨(氨水、碳铵、液氨)吸收脱除燃煤烟气中二氧化硫和氮氧化物的脱硫脱硝一体化烟气净化塔。该净化塔的塔体下部设置有进烟管，在进烟管的管中心有一个吸收液喷头，塔体顶部设置有烟气出口，在进烟管与烟气出口之间的塔体内腔中由下至上分别设置有高温反应段、低温吸收段和除雾器；所述高温反应段设置有若干组吸收液高温喷淋装置；所述低温反应段中段设置有填料段，在填料段下方设置有下吸收液低温喷淋装置，在填料段上方设置有上吸收液低温喷淋装置。本实用新型结构紧凑、运行可靠、成本低、能够在一个塔体内对烟气中的二氧化硫和氮氧化物进行吸收脱除。

Description

脱硫脱硝一体化烟气净化塔
技术领域
本实用新型属于环保设备，涉及一种用氨(氨水、碳铵、液氨)吸收脱除燃煤烟气中二氧化硫和氮氧化物的脱硫脱硝一体化烟气净化塔。
背景技术
燃煤锅炉烟气中的二氧化硫是大气污染最主要的根源之一，已成为环境治理的重要对象。但在我国酸性降雨中硫酸根与硝酸根的当量浓度之比大约为64∶1，因此在燃煤电厂等大量燃煤的场合，氮氧化物对大气的污染也不容忽视。但现有的烟气净化装置大多以二氧化硫的脱除为主要任务，而无法有效脱除氮氧化物气体，并且其设备还在在着投资高、占地面积大、运行控制困难、二次污染问题严重等问题。现有的脱硫塔主要采用石灰-石膏法为主的干法脱硫工艺，虽然目前已有脱硫设备采用氨(氨水、碳铵、液氨)为吸收液的湿式氨法脱硫工艺，其可在脱硫的同时副产硫酸、二氧化硫、硫酸铵、亚硫酸铵等产品，实现了硫资源的回收利用，是一种较好的方法。现有的氨法脱硫塔的结构设计依然主要针对二氧化硫的吸收脱除，对氮氧化物的处理考虑较少，因而其对烟气的净化尚不能获得满意的效果。
发明内容
本实用新型所要解决的技术问题是，结构紧凑、运行可靠、成本低、能够在一个塔体内对烟气中的二氧化硫和氮氧化物进行吸收脱除的脱硫脱硝一体化烟气净化塔。
本实用新型的脱硫脱硝一体化烟气净化塔包括有一个塔体，塔体下部设置有进烟管，塔体顶部设置有烟气出口；在进烟管的管中心设有一个吸收液喷头；在进烟管与烟气出口之间的塔体内腔中由下至上分别设置有高温反应段段、低温吸收段和除雾器；所述高温反应段设置有若干组吸收液高温喷淋装置，使温度较高的烟气能够在较高的温度条件下(75℃～110℃)与烟气进行反应；所述低温反应段中段设置有填料段，填料段可以以具有一定空隙率的散装或整装填料为材料；在填料段下方设置有下吸收液低温喷淋装置，用来对烟气成份在低温条件下(50℃～60℃)进行初步吸收，在填料段上方设置有上吸收液低温喷淋装置，用来对通过填料层的烟气进行吸收；在烟气进口下方的塔体底部设置有一个氧化装置，氧化装置的底部设置有与鼓入的空气连通的空气分布器，用来对反应中间产物进一步氧化，以获得稳定的最终产物。
所述的除雾器可包括有一段下除雾层、一段上除雾层以及位于上、下除雾层之间的清洗喷淋装置。
本实用新型的烟气净化塔利用了脱硝和脱硫过程最佳反应温度的不同，在主脱硫段(即低温反应段)之前设置了一段高温反应段，由于烟气中的氮氧化物与吸收液反应可生成NH4NO3和NH4NO2，氨法脱硫过程产生的(NH4)SO3和NH4HSO3又可通过还原反应将其吸收净化，因此高温反应段的设置就增加了高温下的烟气反应时间使氮氧化物氧化还原的速率更有保证，从而在脱硫的同时大大提高了脱硝的比率。此外，本实用新型的净化塔可将烟气的脱硝吸收、脱硫吸收、脱除铵雾和中间产物的进一步氧化各个过程集中在一个塔体中进行，大大节省了整套设备的空间占用、降低了设备成本和运行成本。
附图说明
图1是本实用新型的结构示意图。
具体实施方式
如图所示，本实用新型的多功能复合脱硫塔塔体1由下至上设置有氧化装置7、进烟管2、高温反应段3、低温反应段4、除雾器5及烟气出口6。在进烟管的管中心设有吸收液喷头21，喷头的喷射角为120°，高温反应段设置有吸收液高温喷淋装置31，低温反应段设置有填料段41。填料段采用散装或规整的填料，要求其具有高表面积、高空隙率、低压降，一般其比表面积大于200m2/m3、空隙率大于98％、压降小于100Pa/m。填料段的上、下分别设置有上吸收液低温喷淋装置42和下吸收液低温喷淋装置43。氧化装置7的底部通过管式空气分布器71鼓入空气，用来将反应中间产物进一步氧化为稳定的最终产物，以提高产物的利用价值。
所述的除雾器5可采用折流板、旋流板等常规的除雾器结构，也可采用附图所示的结构，即，由一段下除雾层51、一段上除雾层52以及位于上、下除雾层之间的清洗喷淋装置53构成。下除雾层51由板波纹、波纹丝网等规整填料构成，其作用是捕集烟气中大的液滴并利用填料性能进一步使吸收反应趋于完全从而从根本上减少铵雾的生成；上除雾层52由圆丝或扁丝编织成的丝网或者用板网压制的波纹填料构成，其高度小于下除雾层，其作用是吸附细小的雾滴，使其凝聚成较大的液滴滴落；清洗喷淋装置53的喷头朝向上、下两个方向，用于对上、下两层除雾层进行冲洗，以防止堵塞。

Claims (3)

1、一种脱硫脱硝一体化烟气净化塔，包括有一个塔体(1)，塔体下部设置有进烟管(2)，塔体顶部设置有烟气出口(6)，其特征是：在进烟管的管中心设有一个吸收液喷头(21)，在进烟管与烟气出口之间的塔体内腔中由下至上分别设置有高温反应段段(3)、低温吸收段(4)和除雾器(5)；所述高温反应段设置有若干组吸收液高温喷淋装置(31)；所述低温反应段中段设置有填料段(41)，在填料段下方设置有下吸收液低温喷淋装置(43)，在填料段上方设置有上吸收液低温喷淋装置(42)。
2、根据权利要求1所述的脱硫脱硝一体化烟气净化塔，其特征是：在烟气进口下方的塔体底部设置有一个氧化装置(7)，氧化装置的底部设置有空气分布器(71)。
3、根据权利要求1或2所述的脱硫脱硝一体化烟气净化塔，其特征是：除雾器(5)包括一段下除雾层(51)、一段上除雾层(52)以及位于上、下除雾层之间的清洗喷淋装置(53)。
CN 200420109457 2004-12-07 2004-12-07 脱硫脱硝一体化烟气净化塔 Expired - Lifetime CN2746971Y (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200420109457 CN2746971Y (zh) 2004-12-07 2004-12-07 脱硫脱硝一体化烟气净化塔

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200420109457 CN2746971Y (zh) 2004-12-07 2004-12-07 脱硫脱硝一体化烟气净化塔

Publications (1)

Publication Number Publication Date
CN2746971Y true CN2746971Y (zh) 2005-12-21

Family

ID=35707510

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 200420109457 Expired - Lifetime CN2746971Y (zh) 2004-12-07 2004-12-07 脱硫脱硝一体化烟气净化塔

Country Status (1)

Country Link
CN (1) CN2746971Y (zh)

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101574616B (zh) * 2009-06-08 2011-09-07 叶力平 碳酸氢铵干法热解制氨的烟气脱硝工艺及其系统
CN102225310A (zh) * 2011-05-01 2011-10-26 镇江金锐环保设备有限公司 脱硫脱硝一体化脱硫塔
CN102416294A (zh) * 2011-11-05 2012-04-18 江苏科行环境工程技术有限公司 烟气脱硫脱硝一体化装置
CN104084023A (zh) * 2014-07-17 2014-10-08 湖南平安环保有限责任公司 一种烟气同时脱硫脱硝的方法
CN105013312A (zh) * 2015-07-27 2015-11-04 航天环境工程有限公司 一种脱硫脱硝一体化吸收装置及应用
US10016721B1 (en) 2017-05-25 2018-07-10 Jiangnan Environmental Protection Group Inc. Ammonia-based desufurization process and apparatus
US10092877B1 (en) 2017-05-25 2018-10-09 Jiangnan Environmental Protection Group Inc. Dust removal and desulfurization of FCC exhaust gas
US10099170B1 (en) 2017-06-14 2018-10-16 Jiangnan Environmental Protection Group Inc. Ammonia-adding system for ammonia-based desulfurization device
US10112145B1 (en) 2017-09-07 2018-10-30 Jiangnan Environmental Protection Group Inc. Method for controlling aerosol production during absorption in ammonia desulfurization
US20190001267A1 (en) 2017-07-03 2019-01-03 Jiangnan Environmental Protection Group Inc. Desulfurization absorption tower
US10207220B2 (en) 2017-03-15 2019-02-19 Jiangnan Environmental Protection Group Inc. Method and apparatus for removing sulfur oxides from gas
US10953365B2 (en) 2018-07-20 2021-03-23 Jiangnan Environmental Protection Group Inc. Acid gas treatment
US11027234B2 (en) 2018-04-13 2021-06-08 Jiangnan Environmental Protection Group Inc. Oxidization of ammonia desulfurization solution
US11224838B2 (en) 2019-12-26 2022-01-18 Jiangnan Environmental Protection Group Inc. Controlling aerosol production during absorption in ammonia-based desulfurization
CN114110602A (zh) * 2021-11-26 2022-03-01 南京万德斯环保科技股份有限公司 一种折流式回转窑

Cited By (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101574616B (zh) * 2009-06-08 2011-09-07 叶力平 碳酸氢铵干法热解制氨的烟气脱硝工艺及其系统
CN102225310A (zh) * 2011-05-01 2011-10-26 镇江金锐环保设备有限公司 脱硫脱硝一体化脱硫塔
CN102416294A (zh) * 2011-11-05 2012-04-18 江苏科行环境工程技术有限公司 烟气脱硫脱硝一体化装置
CN104084023A (zh) * 2014-07-17 2014-10-08 湖南平安环保有限责任公司 一种烟气同时脱硫脱硝的方法
CN105013312A (zh) * 2015-07-27 2015-11-04 航天环境工程有限公司 一种脱硫脱硝一体化吸收装置及应用
US10406477B2 (en) 2017-03-15 2019-09-10 Jiangnan Environmental Protection Group Inc. Method and apparatus for removing sulfur oxides from gas
US10413864B2 (en) 2017-03-15 2019-09-17 Jiangnan Environmental Protection Group Inc. Method and apparatus for removing sulfur oxides from gas
US10675584B2 (en) 2017-03-15 2020-06-09 Jiangnan Environmental Protection Group Inc. Method and apparatus for removing sulfur oxides from gas
US10207220B2 (en) 2017-03-15 2019-02-19 Jiangnan Environmental Protection Group Inc. Method and apparatus for removing sulfur oxides from gas
US10561982B2 (en) 2017-05-25 2020-02-18 Jiangnan Environmental Protection Group Inc. Ammonia-based desulfurization process and apparatus
US10471383B2 (en) 2017-05-25 2019-11-12 Jiangnan Environmental Protection Group Inc. Dust removal and desulfurization of FCC exhaust gas
US10406478B2 (en) 2017-05-25 2019-09-10 Jiangnan Environmental Protection Group Inc. Ammonia-based desulfurization process and apparatus
US10213739B2 (en) 2017-05-25 2019-02-26 Jiangnan Environmental Protection Group Inc. Dust removal and desulfurization of FCC exhaust gas
US10343110B2 (en) 2017-05-25 2019-07-09 Jiangnan Environmental Protection Group Inc. Dust removal and desulfurization of FCC exhaust gas
US10092877B1 (en) 2017-05-25 2018-10-09 Jiangnan Environmental Protection Group Inc. Dust removal and desulfurization of FCC exhaust gas
US10413865B2 (en) 2017-05-25 2019-09-17 Jiangnan Enviromental Protection Group Inc. Ammonia-based desulfurization process and apparatus
US10399033B2 (en) 2017-05-25 2019-09-03 Jiangnan Environmental Protection Group Inc. Ammonia-based desulfurization process and apparatus
US10016721B1 (en) 2017-05-25 2018-07-10 Jiangnan Environmental Protection Group Inc. Ammonia-based desufurization process and apparatus
US10159929B1 (en) 2017-06-14 2018-12-25 Jiangnan Environmental Protection Group Inc. Ammonia-adding system for ammonia-based desulfurization device
US10583386B2 (en) 2017-06-14 2020-03-10 Jiangnan Environmental Protection Group Inc. Ammonia-adding system for ammonia-based desulfurization device
US10099170B1 (en) 2017-06-14 2018-10-16 Jiangnan Environmental Protection Group Inc. Ammonia-adding system for ammonia-based desulfurization device
US10589212B2 (en) 2017-06-14 2020-03-17 Jiangnan Environmental Protection Group Inc. Ammonia-adding system for ammonia-based desulfurization device
US10561984B2 (en) 2017-07-03 2020-02-18 Jiangnan Environmental Protection Group Inc. Desulfurization absorption tower
US10427097B2 (en) 2017-07-03 2019-10-01 Jiangnan Environmental Protection Group Inc. Desulfurization absorption tower
US20190001267A1 (en) 2017-07-03 2019-01-03 Jiangnan Environmental Protection Group Inc. Desulfurization absorption tower
US10556205B2 (en) 2017-07-03 2020-02-11 Jiangnan Environmental Protection Group Inc. Desulfurization absorption tower
US10618001B2 (en) 2017-07-03 2020-04-14 Jiangnan Environmental Protection Group Inc. Desulfurization absorption tower
US10421040B2 (en) 2017-07-03 2019-09-24 Jiangnan Environmental Protection Group Inc. Desulfurization absorption tower
US10112145B1 (en) 2017-09-07 2018-10-30 Jiangnan Environmental Protection Group Inc. Method for controlling aerosol production during absorption in ammonia desulfurization
US10369517B2 (en) 2017-09-07 2019-08-06 Jiangnan Environmental Protection Group Inc. Method for controlling aerosol production during absorption in ammonia desulfurization
US10449488B2 (en) 2017-09-07 2019-10-22 Jiangnan Environmental Protection Group Inc. Method for controlling aerosol production during absorption in ammonia desulfurization
US10357741B2 (en) 2017-09-07 2019-07-23 Jiangnan Environmental Protection Group Inc. Method for controlling aerosol production during absorption in ammonia desulfurization
US11027234B2 (en) 2018-04-13 2021-06-08 Jiangnan Environmental Protection Group Inc. Oxidization of ammonia desulfurization solution
US10953365B2 (en) 2018-07-20 2021-03-23 Jiangnan Environmental Protection Group Inc. Acid gas treatment
US11529584B2 (en) 2018-07-20 2022-12-20 Jiangnan Environmental Protection Group Inc. Acid gas treatment
US11224838B2 (en) 2019-12-26 2022-01-18 Jiangnan Environmental Protection Group Inc. Controlling aerosol production during absorption in ammonia-based desulfurization
CN114110602A (zh) * 2021-11-26 2022-03-01 南京万德斯环保科技股份有限公司 一种折流式回转窑

Similar Documents

Publication Publication Date Title
CN2746971Y (zh) 脱硫脱硝一体化烟气净化塔
CN104941423B (zh) 一种催化裂化再生烟气氨法脱硫脱硝除尘方法及装置
CN103657368B (zh) 一种同时脱硫脱硝脱汞干法烟气净化方法及装置
CN101708420A (zh) 烧结烟气中污染物的处理工艺及其喷淋吸收塔
CN101422691A (zh) 燃煤烟气多污染物脱除工艺及其设备
CN2746972Y (zh) 多功能复合脱硫塔
CN201380040Y (zh) 一种燃煤烟气净化的组合装置
CN106693641A (zh) 余热回收除尘除臭脱硫脱硝脱白集成系统及其处理方法
CN201840979U (zh) 一种烟气综合处理系统
WO2019056858A1 (en) CARBON CAPTURE
CN108854530A (zh) 一种中低温宽负荷scr脱硝装置及脱硝方法
CN205084558U (zh) 一种脱硫后烟气两级冷凝除尘装置
CN202823151U (zh) 一种多级喷淋高效湿法烟气脱硫协同脱汞一体化装置
CN202169137U (zh) 烟气中氨法同时脱硫脱硝一体化装置
CN104941410A (zh) 活性分子o3低温两步氧化烟气硫硝一体化脱除方法及装置
CN105013312A (zh) 一种脱硫脱硝一体化吸收装置及应用
CN1597060A (zh) 氨法脱除回收烟气中二氧化硫的方法
CN212215103U (zh) 一种工业窑炉烟气脱硫脱硝除尘装置
CN202876647U (zh) 一种燃煤锅炉及炉窑烟气的湿法脱硫脱硝装置
CN113941238A (zh) 低温烟气污染物一体化控制方法
CN205760536U (zh) 一种氧化法烟气净化脱硫脱硝脱汞的装置
CN2754711Y (zh) 烟气氨法脱硫填料塔
CN106474890A (zh) 一种去除烟气中污染物的装置及方法
CN2746973Y (zh) 氨法脱硫塔的除雾器
CN214468725U (zh) 一种锅炉尾气脱硫脱硝一体化装置

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
ASS Succession or assignment of patent right

Owner name: JIANGSU JIANGNAN CENTURY ENVIRONMENTAL PROTECTION

Free format text: FORMER OWNER: JIANGNAN INSTITUTE OF ENVIRONMENTAL PROTECTION EQUIPMENT, JIANG CITY, TOWN

Effective date: 20071228

C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20071228

Address after: Jiangning national high tech Development Zone, Tianyuan road Nanjing city Jiangsu province Easthigh International Building No. 108, 11/12 zip code: 210000

Patentee after: Jiangsu Century Jiangnan Environment Protecting Co., Ltd

Address before: Jianlibao Road, city of Zhenjiang province Jiangsu Economic Development Zone zip code: 212009

Patentee before: Zhenjiang Jiangnan Environmental Protection Equipment Inst.

ASS Succession or assignment of patent right

Owner name: JIANGSU XINSHIJI JIANGNAN ENVIRONMENT PROTECTION

Free format text: FORMER OWNER: JIANGSU JIANGNAN CENTURY ENVIRONMENTAL PROTECTION CO., LTD. ADDRESS

Effective date: 20081128

C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20081128

Address after: Jiangning national high tech Development Zone, Tianyuan road Nanjing city Jiangsu province Easthigh International Building No. 108, 11/12 zip code: 210000

Patentee after: Jiangsu Jiangnan Environment Protection and Research Academy

Address before: Jiangning national high tech Development Zone, Tianyuan road Nanjing city Jiangsu province Easthigh International Building No. 108, 11/12 zip code: 210000

Patentee before: Jiangsu Century Jiangnan Environment Protecting Co., Ltd

EE01 Entry into force of recordation of patent licensing contract

Assignee: Zhenjiang Jiangnan Environmental Protection Engineering Construction Co., Ltd.

Assignor: Jiangsu Century Jiangnan Environment Protecting Co., Ltd

Contract fulfillment period: 2007.12.29 to 2013.9.17

Contract record no.: 2008320000587

Denomination of utility model: Desulfurization and denitration integrated flue-gas purification tower

Granted publication date: 20051221

License type: Exclusive license

Record date: 20081007

ASS Succession or assignment of patent right

Owner name: JIANGSU XINSHIJI JIANGNAN ENVIRONMENT PROTECTION C

Free format text: FORMER OWNER: JIANGSU JIANGNAN CENTURY ENVIRONMENTAL PROTECTION CO., LTD.

Effective date: 20081128

LIC Patent licence contract for exploitation submitted for record

Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2007.12.29 TO 2013.9.17; CHANGE OF CONTRACT

Name of requester: ZHENJIANG JIANGNAN ENVIRONMENTAL ENGINEERING CONST

Effective date: 20081007

C56 Change in the name or address of the patentee

Owner name: JIANGSU NEW CENTURY JIANGNAN ENVIRONMENTAL PROTECT

Free format text: FORMER NAME: JIANGSU XINSHIJI JIANGNAN ENVIRONMENTAL PROTECTION CO., LTD.

CP01 Change in the name or title of a patent holder

Address after: Jiangning national high tech Development Zone, Tianyuan road Nanjing city Jiangsu province 210000 Easthigh International Building No. 108 11/12

Patentee after: Jiangsu New Century Jiangnan Environmental Protection Co., Ltd.

Address before: Jiangning national high tech Development Zone, Tianyuan road Nanjing city Jiangsu province 210000 Easthigh International Building No. 108 11/12

Patentee before: Jiangsu Jiangnan Environment Protection and Research Academy

C17 Cessation of patent right
CX01 Expiry of patent term

Expiration termination date: 20141207

Granted publication date: 20051221