CN203123776U - Novel cascade type ammonia process desulfurization and denitrification tower - Google Patents
Novel cascade type ammonia process desulfurization and denitrification tower Download PDFInfo
- Publication number
- CN203123776U CN203123776U CN 201220739441 CN201220739441U CN203123776U CN 203123776 U CN203123776 U CN 203123776U CN 201220739441 CN201220739441 CN 201220739441 CN 201220739441 U CN201220739441 U CN 201220739441U CN 203123776 U CN203123776 U CN 203123776U
- Authority
- CN
- China
- Prior art keywords
- section
- absorption
- tower
- ammonia
- washing
- 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
Links
Images
Landscapes
- Treating Waste Gases (AREA)
- Gas Separation By Absorption (AREA)
Abstract
The utility model discloses a novel cascade type ammonia process desulfurization and denitrification tower belonging to the technical field of environment protection equipment. The tower consists of a chimney (20), a tower body (1), an absorption liquid circulating section (7), an oxidization section (6), a washing and cooling section (5), an absorption section (4), an enhanced ammonia mist removal section (3), a high-efficiency defoaming section (2), a demister (19), a process water washing inverse sprayer (18), a high-efficiency demister (16), a process water washing direct sprayer (17), an absorption spraying device (15), a gas distribution disc (14), an ammonium sulfate or ammonium nitrate spraying device (13), a smoke inlet (12), a process pipeline (11), a micropore aeration device (10), partition plates (9), and a liquid phase catalyst distributor (8), wherein the absorption liquid circulating section (7), the oxidization section (6), the washing and cooling section (5), the absorption section (4), the enhanced ammonia mist removal section (3) and the high-efficiency defoaming section (2) are arranged in the tower body (1) from bottom to top. The novel cascade type ammonia process desulfurization and denitrification tower has the advantages of saving equipment cost, and integrating the smoke cooling, washing and dust removal, ammonium sulfate concentration, SO2 absorption, NOX removal by reduction, sulfite oxidization, and ammonia mist and sol and water mist removal into a whole.
Description
Technical field:
The utility model relates to a kind of novel tandem formula ammonia process of desulfurization denitrating tower, belongs to technical field of chemical.
Background technology:
China's per GDP sulfur dioxide and nitrogen oxide emission are the several times of developed country.SO
2Be the topmost atmosphere pollution of China, China is maximum in the world SO
2Discharging country, discharge capacity ranks first in the world, and has surpassed the self-purification capacity of China's atmospheric environment, and year precipitation pH value accounts for 40% of area less than 5.6 zone, causes the tremendous economic loss.Statistics shows, the first half of the year in 2011, in the restrictive index of four big major pollutants, COD, SO2 emissions continue to descend, but newly-increased index ammonia nitrogen discharge capacity only descends 0.73%, and nitrogen oxide emission rises 6.17% on the contrary.Along with the development of Technological Economy, the going deep into of circular economy concept, ammonia process highlights its advantage, except the desulfuration efficiency height, has also developed and has removed part NO
XTechnology.Adopt ammonia fertilizer method flue gas desulfurization and denitrification technology, reclaim low concentration SO
2, and remove nitrogen oxide in the flue gas, and produce ammonium sulfate fertilizer, both solved the exhaust emission problem, valuable pollution treatment byproduct is provided again, higher technology content is arranged, development prospect is wide, meets the strategy of sustainable development.
Traditional fume desulfurizing tower is the function that realizes solution concentration, absorption, oxidation in the connection tower, causes the mutual interference of various functions meeting phase, can not optimize adjusting; Absorption liquid mixes with evaporation and concentration liquid and causes the absorption liquid temperature higher in the tower; Ammonia in the liquid easily enters gas phase from the solution evaporation, forms aerosol, causes ammonia-spillage amount to increase; Absorption liquid, solution concentration is higher, and free ammonia is many in the solution, and ammonia-spillage amount is big, and it is low that the ammonia mist is removed ability; Sulfite oxidation is incomplete.
Tandem formula ammonia process of desulfurization denitrating tower of the present utility model by literature search, is not seen the open report identical with the utility model.
Summary of the invention:
The purpose of this utility model is, overcomes the deficiency of prior art, and a kind of low equipment investment is provided, and the cooling of thermal-arrest flue gas, cleaning dust, ammonium sulfate liquid concentrate SO
2Absorb and NO
XReduction removes, sulfite oxidation, except ammonia mist and aerosol, water smoke function are the novel tandem formula ammonia process of desulfurization denitrating tower of one.
Novel tandem formula ammonia process of desulfurization denitrating tower of the present utility model is provided with the tower body (1) of cigarette fontanel (20) by the top, be arranged on absorption liquid circulation section (7) from the bottom to top in the tower body (1), oxidation panel (6), washing temperature descending section (5), absorber portion (4), strengthen except ammonia mist section (3) and efficient foam removal section (2), be arranged on demister (19) and the contrary spray of the fresh water (FW) flushing spray thrower (18) of efficient foam removal section (2), be arranged on efficient demister (16) and the suitable spray of the fresh water (FW) flushing spray thrower (17) strengthened except ammonia mist section (3), be arranged on absorption spray equipment (15) and the air-spreading disk (14) of absorber portion (4), be arranged on ammonium sulfate or ammonium nitrate solution spray equipment (13) and the gas approach (12) of washing temperature descending section (5), be arranged on the process pipe (11) of oxidation panel (6) tower body outer (1), be arranged on microporous aeration device (10) and the dividing plate (9) of oxidation panel (6), the liquid-phase catalyst distributor (8) that is arranged on absorption liquid circulation section (7) is formed.
Operation principle of the present utility model and application number are that 201220593699.3 " tandem formula ammonia process of desulfurization denitrating tower " is identical.
The utlity model has low equipment investment, the cooling of thermal-arrest flue gas, cleaning dust, ammonium sulfate liquid concentrate SO
2Absorb and NO
XReduction removes, sulfite oxidation, except ammonia mist and aerosol, water smoke function are the advantage of one.
Description of drawings:
Accompanying drawing is the utility model device structure schematic diagram.
The specific embodiment:
Novel tandem formula ammonia process of desulfurization denitrating tower of the present utility model, be provided with the tower body 1 of cigarette fontanel 20 by the top, be arranged on absorption liquid circulation section 7 from the bottom to top in the tower body 1, oxidation panel 6, washing temperature descending section 5, absorber portion 4, strengthen except ammonia mist section 3 and efficient foam removal section 2, be arranged on demister 19 and the contrary spray of the fresh water (FW) flushing spray thrower 18 of efficient foam removal section 2, be arranged on efficient demister 16 and the suitable spray of the fresh water (FW) flushing spray thrower 17 strengthened except ammonia mist section 3, be arranged on absorption spray equipment 15 and the air-spreading disk 14 of absorber portion 4, be arranged on ammonium sulfate or ammonium nitrate solution spray equipment 13 and the gas approach 12 of washing temperature descending section 5, be arranged on the process pipe 11 of oxidation panel 6 tower bodies outer 1, be arranged on microporous aeration device 10 and the dividing plate 9 of oxidation panel 6,, the liquid-phase catalyst distributor 8 that is arranged on absorption liquid circulation section 7 is formed.
The utility model prepares according to a conventional method, and structure such as accompanying drawing are to show.The course of work is:
1,120～180 ℃ hot flue gas after gathering dust, enter desulphurization denitration tower washing temperature descending section 5, with ammonium sulfate (ammonium nitrate) the solution counter current contacting of top spray, by the washing of ammonium sulfate (containing ammonium nitrate) liquid, flue gas cools off because of adiabatic evaporation in this process.The heat of flue gas makes part water evaporates in the solution and concentrated reaching capacity, and send to be arranged at the outer magma groove of tower, separates out sulphur ammonium crystal grain, and supernatant is evaporated by 5 circulations of pumping washing temperature descending section again in the magma groove.Magma groove magma content reaches regulation technology controlling and process index, pumping sulphur ammonium operation.
2, flue gas is through washing temperature descending section 5 washing cooling, temperature by 120～180 ℃ be cooled to approximately～50 ℃, enter absorber portion by washing section upper gas distributor.At absorber portion 4, flue gas passed through absorber portion from bottom to top, absorbed SO through receiving the liquid countercurrent spray
2Extrusion rate〉98%, part NO
xBe reduced to N
2And deviate from.
3, the major part of absorption liquid enters absorption liquid circulation section 7, squeezes into absorber portion with pump behind the additional ammoniacal liquor and continues the circulated sprinkling absorption.At absorption liquid circulation section 7 liquid-phase catalyst distributor 8 is set, under the effect of trace catalyst, can improves NO
xEliminating efficiency.6 of absorption liquid circulation section 7 and oxidation panels are provided with dividing plate, can guarantee that absorption, oxidation are independent of each other.Absorption liquid partly enters oxidation panel 6, and the microporous aeration device 10 at oxidation panel 6 middle parts feeds compressed air, and the ammonium sulfite in the oxidizing tower in the absorption liquid is oxidized to ammonium sulfate, and inferior salt oxygenation efficiency is more than 99%.
4, purify flue gas and enter reinforcement through absorber portion top except ammonia mist section 3, dispose efficient demister 16 in reinforcement except ammonia mist section 3 tops, demister adopts the corrugated cardboard sheet of maturation to be arranged in parallel and forms, and is furnished with the fresh water (FW) flushing along spray spray thrower 17, ammonia mist and aerosol that flushing and recovery demister capture.Efficient demister 16 usefulness fresh water (FW)s are controlled the subregion flushing chronologically, stop up to prevent efficient demister 16, guarantee foam removal efficient simultaneously, minimizing system ammonia-spillage amount, raising system ammonia utilization rate guarantees that the recovery utilization rate of ammonia reaches more than 98%, guarantees amount of ammonia slip≤15mg/Nm
3
5, purify flue gas and enter efficient foam removal section 2 through reinforcement except ammonia mist section section 3 tops, when the flue gas that contains droplet is flowed through demister 19 passages, the effect of impact of drop and demister 19, effect of inertia, turn to centrifugal force and make drop be captured with rubbing action, the suction-operated of corrugated sheet, is furnished with the contrary spray of fresh water (FW) flushing spray thrower 18, the drop that flushing is captured, the droplet content mean value after the foam removal is less than 75mg/Nm
3(size droplet diameter is greater than 15 μ m).The escaping of ammonia≤15mg/Nm
3
The utility model uses and shows, can reach designing requirement fully.
Claims (1)
1. novel tandem formula ammonia process of desulfurization denitrating tower, it is characterized in that this tandem formula ammonia process of desulfurization denitrating tower is provided with the tower body (1) of cigarette fontanel (20) by the top, be arranged on absorption liquid circulation section (7) from the bottom to top in the tower body (1), oxidation panel (6), washing temperature descending section (5), absorber portion (4), strengthen except ammonia mist section (3) and efficient foam removal section (2), be arranged on demister (19) and the contrary spray of the fresh water (FW) flushing spray thrower (18) of efficient foam removal section (2), be arranged on efficient demister (16) and the suitable spray of the fresh water (FW) flushing spray thrower (17) strengthened except ammonia mist section (3), be arranged on absorption spray equipment (15) and the air-spreading disk (14) of absorber portion (4), be arranged on ammonium sulfate or ammonium nitrate solution spray equipment (13) and the gas approach (12) of washing temperature descending section (5), be arranged on the process pipe (11) of oxidation panel (6) tower body outer (1), be arranged on microporous aeration device (10) and the dividing plate (9) of oxidation panel (6), the liquid-phase catalyst distributor (8) that is arranged on absorption liquid circulation section (7) is formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220739441 CN203123776U (en) | 2012-12-28 | 2012-12-28 | Novel cascade type ammonia process desulfurization and denitrification tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220739441 CN203123776U (en) | 2012-12-28 | 2012-12-28 | Novel cascade type ammonia process desulfurization and denitrification tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203123776U true CN203123776U (en) | 2013-08-14 |
Family
ID=48931804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220739441 Expired - Lifetime CN203123776U (en) | 2012-12-28 | 2012-12-28 | Novel cascade type ammonia process desulfurization and denitrification tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203123776U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104971603A (en) * | 2014-04-11 | 2015-10-14 | 张波 | System of producing ammonium sulfite through flue gas desulfurization and method thereof |
| CN105854566A (en) * | 2016-06-06 | 2016-08-17 | 张波 | Single-tower five-section gradient purification, sulfur removal and dust removal ultra-low emission integrated device |
| CN106000043A (en) * | 2016-06-06 | 2016-10-12 | 张波 | Single-tower six-section stepped purification desulfurization dust-removal and ultralow-emission integrated device |
| CN108246028A (en) * | 2017-12-28 | 2018-07-06 | 武汉都市环保工程技术股份有限公司 | A kind of ultra-clean tapping equipment of the ammonia process of desulfurization and technique |
| CN108404622A (en) * | 2018-04-28 | 2018-08-17 | 中冶焦耐(大连)工程技术有限公司 | One tower relieving haperacidity exhaust gas cleaner and relieving haperacidity tail gas clean-up technique |
| CN108786420A (en) * | 2018-06-24 | 2018-11-13 | 江苏兰丰环保科技有限公司 | A kind of exhaust treatment system taking off contour painting energy with plume |
| CN108837651A (en) * | 2018-06-24 | 2018-11-20 | 江苏兰丰环保科技有限公司 | A kind of desulphurization denitration dedusting collaboration processing unit |
| CN116081646A (en) * | 2022-11-21 | 2023-05-09 | 昆明理工大学 | Method for efficiently treating ammonia desulfurization mother liquor through multistage oxidation |
-
2012
- 2012-12-28 CN CN 201220739441 patent/CN203123776U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104971603A (en) * | 2014-04-11 | 2015-10-14 | 张波 | System of producing ammonium sulfite through flue gas desulfurization and method thereof |
| CN105854566A (en) * | 2016-06-06 | 2016-08-17 | 张波 | Single-tower five-section gradient purification, sulfur removal and dust removal ultra-low emission integrated device |
| CN106000043A (en) * | 2016-06-06 | 2016-10-12 | 张波 | Single-tower six-section stepped purification desulfurization dust-removal and ultralow-emission integrated device |
| CN108246028A (en) * | 2017-12-28 | 2018-07-06 | 武汉都市环保工程技术股份有限公司 | A kind of ultra-clean tapping equipment of the ammonia process of desulfurization and technique |
| CN108404622A (en) * | 2018-04-28 | 2018-08-17 | 中冶焦耐(大连)工程技术有限公司 | One tower relieving haperacidity exhaust gas cleaner and relieving haperacidity tail gas clean-up technique |
| CN108786420A (en) * | 2018-06-24 | 2018-11-13 | 江苏兰丰环保科技有限公司 | A kind of exhaust treatment system taking off contour painting energy with plume |
| CN108837651A (en) * | 2018-06-24 | 2018-11-20 | 江苏兰丰环保科技有限公司 | A kind of desulphurization denitration dedusting collaboration processing unit |
| CN108837651B (en) * | 2018-06-24 | 2020-11-13 | 江苏兰丰环保科技有限公司 | Desulfurization denitration dust removal coprocessing device |
| CN108786420B (en) * | 2018-06-24 | 2021-09-14 | 江苏兰丰环保科技有限公司 | Exhaust treatment system with smoke plume takes off white function |
| CN116081646A (en) * | 2022-11-21 | 2023-05-09 | 昆明理工大学 | Method for efficiently treating ammonia desulfurization mother liquor through multistage oxidation |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203123776U (en) | Novel cascade type ammonia process desulfurization and denitrification tower | |
| CN201912884U (en) | Ammonia desulfurizer with two-level gas distributors | |
| CN101745305B (en) | Method for removing various gaseous pollutants from smoke gas | |
| CN203447957U (en) | Improved cascade type ammonia desulphurization and denitration tower | |
| CN2799059Y (en) | Inside-crystallizing ammonia-processed desulfurization tower | |
| CN201840979U (en) | Smoke gas comprehensive treatment system | |
| CN103861439A (en) | Method for simultaneously desulfurizing, denitrating and purifying flue gas | |
| CN202823151U (en) | Multistage spray efficient wet process of flue gas desulfurization and synergistic mercury removal integrated device | |
| CN105169905B (en) | Desulphurization denitration comprehensive utilization device | |
| CN104826476A (en) | Industrial flue gas desulfurization/denitrification/dedusting integrated technique and device | |
| CN106139866A (en) | A kind of employing adverse current opposite-flushing type turbulence washing tower waste gas treatment process and device thereof | |
| CN101890281A (en) | Forward flow and backward flow combined spray desulfurizing tower | |
| CN204865783U (en) | Low temperature flue gas denitration catalytic reaction device | |
| CN109603546A (en) | Sintering flue gas desulfurization denitration dust collecting disappears white technological process for purifying | |
| CN202876647U (en) | Wet-process desulfurizing and denitrifying device for coal-fired boiler and kiln smoke | |
| CN203043829U (en) | Flue gas desulfurization-denitration tower based on active carbon | |
| CN106310904A (en) | Wet type method for combined desulphurization and denitration of flue gas | |
| CN204996307U (en) | Ozone oxidation and ammonia process of industry flue gas spray joint SOx/NOx control device | |
| CN204637975U (en) | Flue gas desulfurization enhancing device | |
| CN103657367A (en) | Device and process for changing one-tower calcium desulphurization to double-tower ammonia desulphurization | |
| CN205796943U (en) | Ozone oxidation double tower ammonia process of desulfurization denitrating system | |
| CN202962224U (en) | Cascade type ammonia desulphurization and denitration tower | |
| CN108686478A (en) | The processing method and device of a kind of flue gas desulfurization and desulfurization wastewater | |
| CN202179925U (en) | Integrated purification device of desulfurization and denitrification flue gas | |
| CN203916431U (en) | A kind of gaseous oxidation is in conjunction with the flue gas combined desulfurization and denitration device of wet absorption |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 650118 No. 199, science and technology road, national hi tech Zone, Yunnan, Kunming Patentee after: ASIA PACIFIC ENVIRONMENTAL PROTECTION CO.,LTD. Address before: 650118 No. 199, science and technology road, Kunming national hi tech Zone, Yunnan, Kunming Patentee before: YUNNAN YATAI ENVIRONMENTAL ENGINEERING DESIGN & RESEARCH CO.,LTD. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130814 |