CN109499298A - Marine diesel exhaust gas desulfurization I type desulfurizing tower - Google Patents
Marine diesel exhaust gas desulfurization I type desulfurizing tower Download PDFInfo
- Publication number
- CN109499298A CN109499298A CN201910032733.6A CN201910032733A CN109499298A CN 109499298 A CN109499298 A CN 109499298A CN 201910032733 A CN201910032733 A CN 201910032733A CN 109499298 A CN109499298 A CN 109499298A
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- CN
- China
- Prior art keywords
- desulfurizing tower
- exhaust gas
- unit
- type
- marine diesel
- 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.)
- Pending
Links
- 230000003009 desulfurizing effect Effects 0.000 title claims abstract description 42
- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 20
- 230000023556 desulfurization Effects 0.000 title claims abstract description 20
- 238000004140 cleaning Methods 0.000 claims abstract description 13
- 239000007788 liquid Substances 0.000 claims description 22
- 238000007689 inspection Methods 0.000 claims description 7
- 239000007921 spray Substances 0.000 claims description 6
- 238000012423 maintenance Methods 0.000 claims description 4
- 238000005507 spraying Methods 0.000 abstract description 13
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical compound S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 abstract description 2
- 238000005201 scrubbing Methods 0.000 description 7
- 238000005406 washing Methods 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 6
- 238000006386 neutralization reaction Methods 0.000 description 6
- 238000001816 cooling Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 4
- 239000005864 Sulphur Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000009102 absorption Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 238000000889 atomisation Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000013618 particulate matter Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 238000011981 development test Methods 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000005514 two-phase flow Effects 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/50—Sulfur oxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/01—Engine exhaust gases
- B01D2258/012—Diesel engines and lean burn gasoline engines
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treating Waste Gases (AREA)
Abstract
Invention provides marine diesel exhaust gas desulfurization I type desulfurizing tower; the desulfurizing tower includes top unit 1, intermediate segment unit 2, base unit 3; the desulfurizing tower is in I type; the bottom of the desulfurizing tower is equipped with exhaust gas intake port 4, cleaning solution outlet 5; the top of the desulfurizing tower is equipped with air exit 9; the intermediate segment unit 2 is equipped with three layers of the first spraying layer 6; beneficial effect is; greatly reduce the content of the sulphur oxide gas in diesel exhaust gas; so that exhaust qualified discharge, protects atmosphere natural environment.
Description
Technical field
The present invention relates to environmental protection machinery more particularly to a kind of marine diesel exhaust gas desulfurization I type desulfurizing towers.
Background technique
The limitation sulphur emissions relevant laws and regulations carried out by International Maritime Organization IMO will be implemented on time January 1 in fact in the year two thousand twenty,
The laws and regulations requirement realizes that the whole world 0.5% limits sulphur, and emission control area realizes 0.1% limit sulphur.Wherein vent scrub desulfurization becomes bavin peculiar to vessel
Oil machine exhaust gas SOXThe mainstream technology of post-processing, the technology are contacted, in soda acid by diesel exhaust gas with the reverse of alkaline detergent solution
It absorbs and is realized SO with chemical reactionXRemoving.And core equipment of the scrubbing tower as this technology, it is to realize SO in exhaustX?
The crucial place of physical dissolution and chemical absorbing in cleaning solution, structure of column scrubber design is to diesel exhaust gas in tower and cleaning solution
Gas-liquid two-phase Flow Field Distribution, the distribution in temperature field, acid-base neutralization chemical reaction efficiency etc. all have great influence, are to realize diesel oil
The equipment of machine exhaust gas desulfurization efficiency most critical.
Currently, the design about desulfurization washing tower peculiar to vessel is American-European countries's development test success before and after 2008, and pass through
It is improved after a large amount of ship trial.The country can disclose the technology obtained to the design of desulfurization washing tower peculiar to vessel and be mostly derived from land
With boiler power station desulphurization system field, however marine diesel exhaust because its burn it is fuel used with stationary boiler power station difference compared with
Big exhaust constituent is different, the difference of the requirement of diesel engine and boiler, along with the particularity applied in hull environment
Therefore emphasis is needed to consider the characteristic of marine diesel exhaust when washing Deethanizer design.
Summary of the invention
The present invention overcomes the shortcomings of that background technique provides marine diesel exhaust gas desulfurization I type desulfurizing tower, designs and develops this
The purpose of device is, greatly reduces the content of the sulphur oxide gas in diesel exhaust gas, so that exhaust qualified discharge, is protected
Protect atmosphere natural environment.
The present invention provides following technical proposals: marine diesel exhaust gas desulfurization I type desulfurizing tower, which is characterized in that described
Desulfurizing tower includes top unit 1, intermediate segment unit 2, base unit 3, and the desulfurizing tower is in I type, and the bottom of the desulfurizing tower is set
There are exhaust gas intake port 4, cleaning solution outlet 5, the top of the desulfurizing tower is equipped with air exit 9, and the intermediate segment unit 2 is equipped at least
Three layers of the first spraying layer 6, the top unit 1, intermediate segment unit 2 are equipped with gas-liquid air deflector 7 in base unit 3, described
Gas-liquid air deflector 7 is in the dish-like lumen centers for being suspended in the desulfurizing tower, and the top unit 1 is equipped at least two layers of the second spray
Drenching layer 8, the exhaust gas intake port 4 are set to the bottom centre position of the desulfurizing tower.
The outer wall of the desulfurizing tower is equipped with the maintenance ladder 10 extended with entire tower body.
The outer wall of the desulfurizing tower is equipped with inspection manhole 11.
Beneficial effects of the present invention: the present invention is designed, passes through for marine diesel exhaust gas desulfurization " I type " scrubbing tower
Cooling in tower, the effects of water conservancy diversion is uniformly distributed, acid-base neutralization reaction absorbs, complete to ensure absorptions of SOx the SOx of discharge meets IMO
Control requirement to boat diesel engine discharge.
The washing Deethanizer design has following advantage: being designed using " I type ", space occupied is small, is especially suitable for that obsolete vessel is transformed, nothing
Main auxiliary machine gas exhaust piping need to be changed, it is only necessary to well progress be enclosed to chimney original on ship and pipe is transformed, retrofit work amount is small, reality
It is feasible.
Using two gas-liquid air deflectors and Multi-layer sprinkling, gas-liquid mixed is more abundant, to SOx removal effect up to 98% or more.
Top unit is recycled the moisture accumulation carried in exhaust using demister, reduces loss of moist and supply, is dropped
Low-resource and energy consumption.
" I type " scrubbing tower belongs to void tower type, and the internal component without netted mechanism is not susceptible to block；When exhaust is passed through, pressure
Power loss is small, the risk that no exhaust is detained.
Detailed description of the invention
Fig. 1 is the schematic diagram of this marine diesel exhaust gas desulfurization I type desulfurizing tower.
Fig. 2 is the structural schematic diagram of this marine diesel exhaust gas desulfurization I type desulfurizing tower.
Specific embodiment
Below in conjunction with attached drawing, the invention will be further described with specific embodiment.
Fig. 1,2: top unit 1, intermediate segment unit 2, base unit 3, exhaust gas intake port 4, the 5, first spray of cleaning solution outlet
Layer 6, gas-liquid air deflector 7, the second spraying layer 8, air exit 9, maintenance ladder 10, inspection manhole 11.
Marine diesel exhaust gas desulfurization I type desulfurizing tower, the desulfurizing tower include top unit 1, intermediate segment unit 2, bottom
Unit 3, the desulfurizing tower are in I type, and the bottom of the desulfurizing tower is equipped with exhaust gas intake port 4, cleaning solution outlet 5, the desulfurizing tower
Top is equipped with air exit 9, and diesel engine exhaust enters exhaust after purification from row from the exhaust gas intake port 4 of desulfurization tower bottom
9 discharge exhaust of gas outlet.The intermediate segment unit 2 is equipped with three layers of the first spraying layer 6, carries out the spraying cooling of three-wheel, and pre-
Sulphur removal.The top unit 1, intermediate segment unit 2 are equipped with gas-liquid air deflector 7 in base unit 3, and the gas-liquid air deflector 7 is in
The dish-like lumen centers for being suspended in the desulfurizing tower, gas-liquid air deflector 7 are fixed by connecting rod and the inner wall of the desulfurizing tower
Connection is vented uniform edge when gas-liquid air deflector 7 is flowed through in exhaust from bottom to top so that suspended state is presented in gas-liquid air deflector 7
Tower body inner wall flow away upwards, avoid exhaust trickle or local concentration it is big, localized rich is maintained normal supply during the slack season.The gas-liquid air deflector 7 is one
Dish-like structural member.The top unit 1 is equipped at least two layers of the second spraying layer 8, and the exhaust gas intake port 4 is set to the desulfurizing tower
Bottom centre position.
The outer wall of the desulfurizing tower is equipped with the maintenance ladder 10 extended with entire tower body.
The outer wall of the desulfurizing tower is equipped with inspection manhole 11.
Wherein base unit is made of exhaust gas intake port 4, cleaning solution outlet 5, gas-liquid air deflector 7, inspection manhole and ladder.
For " I type " desulfurization washing tower by the way of lower air inlet, exhaust gas intake port is arranged in the bottom centre position of scrubbing tower；Exhaust, which enters, washes
The process for realizing that gas flow guiding is uniformly distributed is contacted with the bottom of gas-liquid air deflector after washing tower, it is single at the top of the gas and tower body after water conservancy diversion
The atomized liquid contact that the nozzle of spraying layer sprays at member and intermediate segment unit, first spraying layer, the second spraying layer are
Tube body equipped with linear array distribution.Heat and mass spray-absorption exhaust in SOx, the liquid after chemical reaction fall after through washing
Wash liquid outlet discharge scrubbing tower.
Intermediate segment unit is that the cooling area of exhaust and acid-base neutralization absorb initial reaction area, by gas-liquid air deflector, spray
Layer, cleaning solution outlet, inspection manhole and ladder composition.Exhaust flows through intermediate segment unit, the setting of this unit after base unit
At least three layers of first spraying layer, cleaning solution is abound in intermediate segment unit and base unit after spraying layer nozzle atomization, with exhaust
It comes into full contact with, realization exhaust cools down rapidly and starts to dissolve and absorb the SOx in exhaust, is vented after flowing through spraying layer by reducer
Reaching gas-liquid air deflector and contacting with its bottom keeps exhaust again uniformly distributed, changes the flow field of gas motion, absorbs acid-base neutralization more
Add sufficiently.
Top unit is the core reaction area and exhaust mist eliminating zone of SOx and cleaning solution acid-base neutralization reaction in exhaust, by removing
Day with fog rinses layer, the second spraying layer, inspection manhole and ladder composition.Cleaning solution overflows cloth in top unit after nozzle atomization
Lower space in, with after gas-liquid air deflector water conservancy diversion is uniformly distributed gas be sufficiently mixed, the temperature being vented at this time is through base unit
After cooling with intermediate segment unit, reach the optimal reaction temperature section of acid-base neutralization reaction, absorption process efficiently rapidly into
Row.There are also a large amount of vapor in exhaust after desulfurization is washed, and when flowing through demister, 99% or more attachment of moisture is being removed
Day with fog surface, is separated from exhaust, is fallen after being gathered into water droplet.The impurity such as particulate matter, greasy dirt in exhaust can be adhered to
On demister, long-term accumulation meeting type causes stress loss and increases, influence to be vented at blocking, and demister is the plate body that stomata is arranged,
Convenient for absorbing fog；Therefore be arranged in the tower top of the desulfurizing tower and rinse layer, periodically demister is rinsed using high pressure clear water,
Guarantee its cleaning.
Tower body is equipped with lifting lug and La Er, and lifting lug is arranged in top unit, plays the work that equipment is moved to designated position
With.It draws ear to connect with hull fixed structure, guarantees that scrubbing tower is still able to maintain balance when receiving transverse and longitudinal power, not will cause structure
It destroys.
After the scrubbing tower that marine diesel exhaust passes through above structure, the purpose of exhaust cooling, SOx removing is completed, together
When also there is certain removing to act on particulate matter PM in exhaust and greasy dirt, it is ensured that the SOx in final exhaust meets IMO to ship bavin
The control requirement of oil machine discharge.
Claims (3)
1. marine diesel exhaust gas desulfurization I type desulfurizing tower, which is characterized in that the desulfurizing tower includes top unit (1), interlude
Unit (2), base unit (3), the desulfurizing tower are in I type, and the bottom of the desulfurizing tower is equipped with exhaust gas intake port (4), cleaning solution goes out
The top of mouth (5), the desulfurizing tower is equipped with air exit (9), and the intermediate segment unit (2) is equipped at least three layers of the first spray
Layer (6), the top unit (1), intermediate segment unit (2) are equipped with gas-liquid air deflector (7), the gas-liquid in base unit (3)
Air deflector (7) is suspended in the lumen centers of the desulfurizing tower in dish, and the top unit (1) is equipped at least two layers of the second spray
Drenching layer (8), the exhaust gas intake port (4) are set to the bottom centre position of the desulfurizing tower.
2. marine diesel exhaust gas desulfurization I type desulfurizing tower according to claim 1, which is characterized in that the desulfurizing tower
Outer wall is equipped with the maintenance ladder (10) extended with entire tower body.
3. marine diesel exhaust gas desulfurization I type desulfurizing tower according to claim 1, which is characterized in that the desulfurizing tower
Outer wall is equipped with inspection manhole (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910032733.6A CN109499298A (en) | 2019-01-14 | 2019-01-14 | Marine diesel exhaust gas desulfurization I type desulfurizing tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910032733.6A CN109499298A (en) | 2019-01-14 | 2019-01-14 | Marine diesel exhaust gas desulfurization I type desulfurizing tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109499298A true CN109499298A (en) | 2019-03-22 |
Family
ID=65757890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910032733.6A Pending CN109499298A (en) | 2019-01-14 | 2019-01-14 | Marine diesel exhaust gas desulfurization I type desulfurizing tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109499298A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109876635A (en) * | 2019-04-22 | 2019-06-14 | 江苏科技大学 | Marine diesel exhaust gas desulfurization horizontal washing tower |
| CN109939547A (en) * | 2019-04-01 | 2019-06-28 | 唐山伟德船用设备有限公司 | Scrubbing tower suitable for marine exhaust desulfurization |
| CN109966880A (en) * | 2019-04-09 | 2019-07-05 | 江苏科技大学 | A kind of tilt self-adaptive sieve plate seawater desulfurization tower |
| CN112403204A (en) * | 2019-08-22 | 2021-02-26 | 中国船舶重工集团公司第七一一研究所 | Compact marine I type scrubbing tower |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10058548C1 (en) * | 2000-11-24 | 2001-10-25 | Lurgi Lentjes Bischoff Gmbh | Scrubbing tower, used in plant for desulfurizing flue gas arranged behind boiler firing system, has flue gas inlets arranged at same height on opposite-lying sections of tower which open out into adsorption zone |
| WO2005035103A1 (en) * | 2003-08-19 | 2005-04-21 | Wuhan Kaidi Electric Power Co., Ltd. | A reaction tower for dry desulfurizating flue gas |
| CN101927129A (en) * | 2010-09-15 | 2010-12-29 | 江苏和亿昌环保工程科技有限公司 | Monotower ammonia desulfuration recovery method for removing aerosols in flue gas |
| CN201728054U (en) * | 2010-07-06 | 2011-02-02 | 同方环境股份有限公司 | Device for alkali-based desulfurization of exhausted smoke on ship |
| CN209451617U (en) * | 2019-01-14 | 2019-10-01 | 苏州万鸿环保科技有限公司 | Marine diesel exhaust gas desulfurization I type desulfurizing tower |
-
2019
- 2019-01-14 CN CN201910032733.6A patent/CN109499298A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10058548C1 (en) * | 2000-11-24 | 2001-10-25 | Lurgi Lentjes Bischoff Gmbh | Scrubbing tower, used in plant for desulfurizing flue gas arranged behind boiler firing system, has flue gas inlets arranged at same height on opposite-lying sections of tower which open out into adsorption zone |
| WO2005035103A1 (en) * | 2003-08-19 | 2005-04-21 | Wuhan Kaidi Electric Power Co., Ltd. | A reaction tower for dry desulfurizating flue gas |
| CN201728054U (en) * | 2010-07-06 | 2011-02-02 | 同方环境股份有限公司 | Device for alkali-based desulfurization of exhausted smoke on ship |
| CN101927129A (en) * | 2010-09-15 | 2010-12-29 | 江苏和亿昌环保工程科技有限公司 | Monotower ammonia desulfuration recovery method for removing aerosols in flue gas |
| CN209451617U (en) * | 2019-01-14 | 2019-10-01 | 苏州万鸿环保科技有限公司 | Marine diesel exhaust gas desulfurization I type desulfurizing tower |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109939547A (en) * | 2019-04-01 | 2019-06-28 | 唐山伟德船用设备有限公司 | Scrubbing tower suitable for marine exhaust desulfurization |
| CN109939547B (en) * | 2019-04-01 | 2021-08-17 | 唐山伟德船用设备有限公司 | Washing tower suitable for ship exhaust gas desulfurization |
| CN109966880A (en) * | 2019-04-09 | 2019-07-05 | 江苏科技大学 | A kind of tilt self-adaptive sieve plate seawater desulfurization tower |
| CN109876635A (en) * | 2019-04-22 | 2019-06-14 | 江苏科技大学 | Marine diesel exhaust gas desulfurization horizontal washing tower |
| CN112403204A (en) * | 2019-08-22 | 2021-02-26 | 中国船舶重工集团公司第七一一研究所 | Compact marine I type scrubbing tower |
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