CN203737101U - Desulfurization and denitrification integrated device - Google Patents
Desulfurization and denitrification integrated device Download PDFInfo
- Publication number
- CN203737101U CN203737101U CN201420146353.8U CN201420146353U CN203737101U CN 203737101 U CN203737101 U CN 203737101U CN 201420146353 U CN201420146353 U CN 201420146353U CN 203737101 U CN203737101 U CN 203737101U
- Authority
- CN
- China
- Prior art keywords
- tower
- absorption tower
- desulfurization
- cover body
- denitrification
- 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 - Fee Related
Links
- 238000006477 desulfuration reaction Methods 0.000 title abstract description 11
- 230000023556 desulfurization Effects 0.000 title abstract description 11
- 238000010521 absorption reaction Methods 0.000 claims abstract description 29
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000004202 carbamide Substances 0.000 claims abstract description 23
- 230000003009 desulfurizing effect Effects 0.000 claims description 15
- 239000007788 liquid Substances 0.000 claims description 15
- 239000007789 gas Substances 0.000 claims description 12
- 239000007921 spray Substances 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 3
- 239000010865 sewage Substances 0.000 claims description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 5
- 239000003546 flue gas Substances 0.000 abstract description 5
- 235000013877 carbamide Nutrition 0.000 description 18
- 238000006243 chemical reaction Methods 0.000 description 3
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003915 air pollution Methods 0.000 description 1
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 1
- 235000011130 ammonium sulphate Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- -1 efficiency 80-90% Substances 0.000 description 1
- XLYOFNOQVPJJNP-ZSJDYOACSA-N heavy water Substances [2H]O[2H] XLYOFNOQVPJJNP-ZSJDYOACSA-N 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
Abstract
本实用新型涉及一种脱硫、脱硝一体化装置。传统的脱硫、脱硝装置，设备体积过于庞大，影响占地面积，尿素没有得到重复利用，影响了尿素溶液的利用率，在使用过程中脱硫、脱销效率低，设备成本大，运行费用高。本实用新型组成包括：罩体（10），所述的罩体内设有烟气通道（4），所述的罩体内部安装有脱硫塔（3），所述的脱硫塔上端设有脱硝塔（2），所述的脱硫塔尾部设有尿素溶液槽（6），所述的脱硫塔侧面设有烟气进口（5），所述的尿素溶液槽通过管路（8）与泵体（7）连接，所述的管路与吸收塔连接，所述的吸收塔顶端设有烟囱（9），所述的烟囱上部有烟气出口（1）。本实用新型应用于脱硫、脱硝装置。
The utility model relates to a desulfurization and denitrification integrated device. The traditional desulfurization and denitrification devices are too bulky, which affects the floor area. The urea has not been reused, which affects the utilization rate of the urea solution. During use, the desulfurization and denitrification efficiency is low, the equipment cost is large, and the operating cost is high. The utility model consists of: a cover body (10), a flue gas channel (4) is arranged in the cover body, a desulfurization tower (3) is installed inside the cover body, and a denitrification tower is installed at the upper end of the desulfurization tower (2), the tail of the desulfurization tower is provided with a urea solution tank (6), the side of the desulfurization tower is provided with a flue gas inlet (5), and the urea solution tank is connected to the pump body ( 7) Connection, the pipeline is connected to the absorption tower, the top of the absorption tower is provided with a chimney (9), and the upper part of the chimney has a flue gas outlet (1). The utility model is applied to desulfurization and denitrification devices.
Description
technical field:
the utility model relates to a kind of desulphurization and denitration integrated apparatus.
background technology:
in recent years, along with the fast development of China's economy and significantly improving of industrialized level, State of Air pollution is day by day serious, and the discharge capacity of China SO2 has occupied second place of the world, and NOx discharge capacity is also in sustainable growth.Flue gas desulfurization, denitration have become a vital task of China.Traditional desulphurization and denitration device in the market, its device is that absorption tower and cover body are separately, equipment volume is too huge like this, thereby affected floor space, and urea liquid is with once just emitting in desulphurization and denitration process, unreacted completely urea is not reused, affect the utilization rate of urea liquid, and in use desulfurization, out of stock efficiency are low, equipment cost is large, and operating cost is high.
summary of the invention:
the purpose of this utility model is to provide a kind of desulphurization and denitration integrated apparatus.
above-mentioned object realizes by following technical scheme:
a kind of desulphurization and denitration integrated apparatus, its composition comprises: cover body, in described cover body, be provided with exhaust gases passes, described cover body inside is provided with desulfurizing tower, and described desulfurizing tower upper end is provided with denitrating tower, described desulfurizing tower afterbody is provided with urea liquid groove, described desulfurizing tower side is provided with gas approach, and described urea liquid groove is connected with the pump housing by pipeline, and described pipeline is connected with absorption tower, described top, absorption tower is provided with chimney, and exhanst gas outlet is arranged at described chimney top.
described desulphurization and denitration integrated apparatus, described desulfurizing tower inside has absorption tower, described top, absorption tower has outlet, described inside, absorption tower has spiral board dewater unit, column, spray equipment, described outside, absorption tower is provided with spray water inlet pipe, described lower end, absorption tower has sewage draining exit, and described outer end, absorption tower is surrounded with ladder.
the beneficial effects of the utility model:
the utility model is provided with is combined absorption tower with cover body, reduce device floor space in use, guide on spray equipment by the pump housing carrying out the urea solution in urea liquid groove in desulphurization and denitration process, complete with smoke reaction, the urea solution not reacting completely drops in urea liquid groove, recycling capable of circulation, improve the utilization rate of urea liquid, and the utility model equipment is simple and practical, equipment investment is few, and using, apparatus integration operating cost was low.
brief description of the drawings:
accompanying drawing 1 is structural representation of the present utility model.
accompanying drawing 2 is the structural representations on absorption tower in accompanying drawing 1.
detailed description of the invention:
embodiment 1:
a kind of desulphurization and denitration integrated apparatus, its composition comprises: cover body 10, in described cover body, be provided with exhaust gases passes 4, described cover body inside is provided with desulfurizing tower 3, described desulfurizing tower upper end is provided with denitrating tower 2, described desulfurizing tower afterbody is provided with urea liquid groove 6, described desulfurizing tower side is provided with gas approach 5, described urea liquid groove is connected with the pump housing 7 by pipeline 8, described pipeline is connected with absorption tower, described top, absorption tower is provided with chimney 9, and exhanst gas outlet 1 is arranged at described chimney top.
embodiment 2
according to the desulphurization and denitration integrated apparatus described in embodiment 1, described desulfurizing tower inside has absorption tower, described top, absorption tower has outlet 17, described inside, absorption tower has spiral board dewater unit 11, column 13, spray equipment 16, described outside, absorption tower is provided with spray water inlet pipe 15, described lower end, absorption tower has sewage draining exit 14, and described outer end, absorption tower is surrounded with ladder 12.
embodiment 3:
according to the desulphurization and denitration integrated apparatus described in embodiment 1 or 2, in the time carrying out desulphurization and denitration, the pump housing is guided to the urea liquid in urea liquid groove on spray equipment, sprays SO downwards
2
, NOx enters in spray column by gas approach, by exhaust gases passes, to rising, flue gas reacts with urea liquid, produces and generates N2, water, (NH4) 2SO4, CO2, tail gas can directly discharge.
reaction principle:
urea reacts as follows with SO2, NOx generation:
SO2+CO(NH2)2+1/2O2+2H2O---(NH4)2SO4+CO2
NO+NO2+CO(NH2)2---2H2O+CO2+N2
overall reaction is:
NO+NO2+SO2+1/2O2+2CO(NH2)2---2CO2+2N2+(NH4)2SO4
the pH value 7-10 of urea liquid, efficiency 80-90%, solution concentration 10-20%.
Claims (2)
1. a desulphurization and denitration integrated apparatus, its composition comprises: cover body, it is characterized in that: in described cover body, be provided with exhaust gases passes, described cover body inside is provided with desulfurizing tower, described desulfurizing tower upper end is provided with denitrating tower, described desulfurizing tower afterbody is provided with urea liquid groove, described desulfurizing tower side is provided with gas approach, described urea liquid groove is connected with the pump housing by pipeline, described pipeline is connected with absorption tower, described top, absorption tower is provided with chimney, and exhanst gas outlet is arranged at described chimney top.
2. desulphurization and denitration integrated apparatus according to claim 1, it is characterized in that: described desulfurizing tower inside has absorption tower, described top, absorption tower has outlet, described inside, absorption tower has spiral board dewater unit, column, spray equipment, described outside, absorption tower is provided with spray water inlet pipe, described lower end, absorption tower has sewage draining exit, and described outer end, absorption tower is surrounded with ladder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420146353.8U CN203737101U (en) | 2014-03-28 | 2014-03-28 | Desulfurization and denitrification integrated device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420146353.8U CN203737101U (en) | 2014-03-28 | 2014-03-28 | Desulfurization and denitrification integrated device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203737101U true CN203737101U (en) | 2014-07-30 |
Family
ID=51336966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420146353.8U Expired - Fee Related CN203737101U (en) | 2014-03-28 | 2014-03-28 | Desulfurization and denitrification integrated device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203737101U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107138045A (en) * | 2017-06-12 | 2017-09-08 | 青岛双瑞海洋环境工程股份有限公司 | Marine exhaust processing unit for removing sulfur and nitrogen oxides simultaneously |
-
2014
- 2014-03-28 CN CN201420146353.8U patent/CN203737101U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107138045A (en) * | 2017-06-12 | 2017-09-08 | 青岛双瑞海洋环境工程股份有限公司 | Marine exhaust processing unit for removing sulfur and nitrogen oxides simultaneously |
| CN107138045B (en) * | 2017-06-12 | 2023-08-01 | 青岛双瑞海洋环境工程股份有限公司 | Ship exhaust gas treatment device for simultaneously removing sulfur oxides and nitrogen oxides |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140730 Termination date: 20210328 |