CN102274682A - Device and method for desulfurizing and dedusting fume discharged from ships by utilizing seawater - Google Patents
Device and method for desulfurizing and dedusting fume discharged from ships by utilizing seawater Download PDFInfo
- Publication number
- CN102274682A CN102274682A CN2010101956014A CN201010195601A CN102274682A CN 102274682 A CN102274682 A CN 102274682A CN 2010101956014 A CN2010101956014 A CN 2010101956014A CN 201010195601 A CN201010195601 A CN 201010195601A CN 102274682 A CN102274682 A CN 102274682A
- Authority
- CN
- China
- Prior art keywords
- seawater
- ships
- boats
- spray
- dedusting
- 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
Images
Landscapes
- Treating Waste Gases (AREA)
Abstract
The invention discloses a device and method for desulfurizing and dedusting fume discharged from ships by utilizing seawater, relating to the technical field of atmospheric environment protection. The device comprises an engine/oil burning boiler on a ship and is structurally characterized in that: an exhaust port of the engine/oil burning boiler is connected with a spray scrubber; a spraying device connected with a seawater pipeline is arranged in a cavity of the spray scrubber; an outlet at the bottom of the spray scrubber is sequentially connected with a separation device and a diluting device; an outlet of the separation device is connected with a storage device; and the other outlet of the diluting device is connected with the seawater pipeline. Compared with the prior art, the device has the advantages of high desulfurization efficiency, small occupied space, small energy consumption, low equipment manufacturing and running cost and high utilization ratio and is suitable for desulfurizing and dedusting of ships sailing among different sea areas and control areas or oil burning boilers.
Description
Technical field
The present invention relates to the atmospheric environment protection technical field, particularly utilize the devices and methods therefor of seawater boats and ships smoke evacuation carrying out desulfurization and dedusting.
Background technology
The sulfur dioxide of boats and ships reduces discharging the execution along with 73/78 supplemental provisions VI of International Maritime Organization, is paid close attention to by more and more countries.The shipping business in the whole world, have the engine of a large amount of use poor oils or the boats and ships of oil burning boiler, if, will cause the significantly raising of shipping business financial cost according to the standard of low sulfur content fuel oil, then under the prerequisite that guarantees sulfur dioxide (SO2) emissions, it is less to make that cost improves for the employing flue gases purification.
The technology that prior art, seawer washing remove the Pollution From Ships thing has:
1, Chinese patent application number is 200710012371.1, name is called " a kind of apparatus and method of ship tail gas being carried out the seawer washing processing ", in hollow fiber membrane contactors as washer, the ship tail gas later to dedusting uses Seawater Treatment, by SO2 concentration monitor, water quality monitor and PLC forming control system.There is following problems in this technology: washer is realized washing function with hollow fiber membrane contactors, and pressure drop and resistance are very big, set up booster fan, has improved the investment and the operating cost of system.
2, the research report of colleges and universities' associating foundations such as masschusetts, u.s.a science and engineering, Tokyo Univ Japan a " seawer washing-minimizing is from the SOx of marine exhaust discharging " by name, the calculating basis of this article is the 12MW engine, fuel oil sulfur content 3%, obtain different desulfuration efficiencies after using sea water desulfuration, during the difference water temperature, 6 water yields that dissimilar waters is required.This research still is in the technological principle exploratory stage, is faced with the low and big problem of the dilution water yield of absorption efficiency.
3, the Ecosilencer seawer washing device of MES company invention, its core component washer adopts U.S. Patent number US7056367, and title " is utilized the method and apparatus of hybrid blade washing gas ".It is the bubble cleaning mode that this washer adopts " exhaust feeds in the cleaning solution of pond ", cooling and washing absorption to high-temperature flue gas are born by same pond water body simultaneously, mass-transfer efficiency is low, the raising of absorption efficiency must strengthen the washing water yield and intensified pressure loss, to cause energy consumption and operating cost to increase, and exist cooling down high-temperature flue gas and low temperature absorption sulfur dioxide conflicting.
4, Chinese patent application number is 200810048002, and title " desulfurizing exhaust gas of seagoing vessel method and device " is used the material filling type washer that the flue gas of seagoing vessel engine is carried out desulfurization and handled, and it is big to have a washer diameter, and equipment occupation space is big, problems such as cost height.
The common issue with that comprehensive above prior art faces is as follows:
(1) in the present circumstance, its cost of environmental requirement that satisfy the discharging of fume emission and seawater is difficult to accept; If drainage condition further improves, its cost will continue to increase.
(2) device takes up room greatly, to the transformation difficulty of spot ship.
(3) can not satisfy boats and ships in variant sea area, every environmental condition of different pollutants control zone.
Summary of the invention
In order to solve the problem that above-mentioned prior art exists, the purpose of this invention is to provide a kind of devices and methods therefor that utilizes seawater to boats and ships smoke evacuation carrying out desulfurization and dedusting.Its desulfuration efficiency height, space hold is little, and energy consumption is little, and device fabrication and operating cost are low, and the utilization rate height is applicable to boats and ships or oil burning boiler desulfurization and dedusting that the navigation of different sea areas and control interval is moved.
In order to reach the foregoing invention purpose, technical scheme of the present invention realizes as follows:
A kind of device that utilizes seawater to boats and ships smoke evacuation carrying out desulfurization and dedusting, it comprises the engine/oil burning boiler on the boats and ships. its design feature is, the exhaust outlet of described engine/oil burning boiler connects spray scrubber, is provided with the spray equipment that is connected with seawater pipeline in the spray scrubber chamber.The outlet at bottom of spray scrubber connects separator and air mix facilities successively.The outlet of described separator connects holder, and another inlet of air mix facilities links to each other with seawater pipeline.
In said apparatus, described spray equipment adopts one-level or multi-stage spray layer.
In said apparatus, described seawater pipeline is connected with spray equipment by flow regulator.
In said apparatus, described separator adopts one-level or multiple-stage separator.
In said apparatus, described separator is connected with air mix facilities by the water source heat pump to exchange heat device.
A kind of method of utilizing seawater to boats and ships smoke evacuation carrying out desulfurization and dedusting, it comprises engine/oil burning boiler, spray scrubber, separator and air mix facilities on the boats and ships.The steps include:
1) flue gas cooling: the high-temperature flue gas that utilizes seawater that the engine on the boats and ships/oil burning boiler is discharged cools off;
2) washing flue gas: utilize the reverse spray cooled smoke of seawater, with the SO in the flue gas
2And dust washes clean and discharging;
3) discharge seawater: will absorb SO
2Acid seawater be discharged into separator from the spray washing tower bottom;
4) separate oil slick and mud: in separator the mud of oil slick under the seawer washing and flying dust formation is separated, oil slick and mud under separating enter holder, and the seawater after the separation enters air mix facilities;
5) mixed diluting: a large amount of fresh seawater are injected air mix facilitieses, utilize the fresh seawater dilution, in and the acid seawater after the desulfurization, its PH is raise, reach discharge standard;
6) discharge: will be discharged into the surrounding waters through dilution back seawater up to standard.
In said method, described high-temperature flue gas is cooled off is in spray scrubber inlet or tower.
In said method, the seawater after the described separation directly or after the water source heat pump to exchange heat cooling enters air mix facilities.
With prior art relatively, the invention has the advantages that:
1) in spray scrubber inlet or tower, uses cooled with seawater, before flue gas enters spray scrubber, flue-gas temperature has been reduced, improved SO
2Absorption rate, reduce the evaporation capacity of seawater.
2) use the spray mode, it is fast to have reaction speed, and the gas-liquid contact-making surface is big, helps SO
2Absorption and reaction, velocity of flue gas height simultaneously, resistance is little, the sectional area of spray scrubber is little, it is little to take up room.
3) utilize one or more levels separator, oil slick and mud that seawer washing gets off are separated, make seawater reach discharge standard.
4) will remove the mode of the seawater of oil slick and mud through the water source heat pump to exchange heat cooling, can energy savings and cost.
The invention will be further described below in conjunction with the drawings and specific embodiments.
Description of drawings
Fig. 1 is the structural representation of apparatus of the present invention;
Fig. 2 is a method flow diagram of the present invention.
The specific embodiment
Referring to Fig. 1, the exhaust outlet of engine/oil burning boiler 1 connection spray scrubber 3 on the boats and ships among the present invention, be provided with the employing one-level that is connected with seawater pipeline 8 or the spray equipment 4 of multi-stage spray layer in spray scrubber 3 chambeies, seawater pipeline 8 is connected with spray equipment 4 by flow regulator.The outlet at bottom of spray scrubber 3 connects separator 6 and air mix facilities 7 successively, and separator 6 also can be connected with air mix facilities 7 by the water source heat pump to exchange heat device.Separator 6 adopts one-level or multistage, and its outlet connects holder 9.Another inlet of air mix facilities 7 links to each other with seawater pipeline 8.
Referring to Fig. 2, the method step of apparatus of the present invention desulfurization and dedusting is:
1) flue gas cooling: the high-temperature flue gas that utilizes seawater that the engine/oil burning boiler on the boats and ships 1 is discharged cools off in spray scrubber 3 inlets or tower;
2) washing flue gas: utilize the reverse spray cooled smoke of seawater, with the SO in the flue gas
2And the dust washes clean is also by chimney 5 dischargings;
3) discharge seawater: will absorb SO
2Acid seawater be discharged into separator 6 from spray scrubber 3 bottoms;
4) separate oil slick and mud: in separator 6 oil slick under the seawer washing and the mud that flying dust forms are separated, oil slick and mud under separating enter holder 9, and the direct or water source heat pump to exchange heat device of the seawater after the separation enters air mix facilities 7;
5) mixed diluting: a large amount of fresh seawater are injected air mix facilitieses 7, utilize the fresh seawater dilution, in and the acid seawater after the desulfurization, its PH is raise, reach discharge standard;
6) discharge: will be discharged into the surrounding waters through dilution back seawater up to standard.
Claims (8)
1. device that utilizes seawater boats and ships smoke evacuations to be carried out desulfurization and dedusting, it comprises the engine/oil burning boiler (1) on the boats and ships, it is characterized in that, the exhaust outlet of described engine/oil burning boiler (1) connects spray scrubber (3), be provided with the spray equipment (4) that is connected with seawater pipeline (8) in spray scrubber (3) tower, the outlet at bottom of spray scrubber (3) connects separator (6) and air mix facilities (7) successively, the outlet of described separator (6) connects holder (9), and another inlet of air mix facilities (7) links to each other with seawater pipeline (8).
2. the device that utilizes seawater to boats and ships smoke evacuation carrying out desulfurization and dedusting according to claim 1 is characterized in that described spray equipment (4) adopts one-level or multi-stage spray layer.
3. the device that utilizes seawater to boats and ships smoke evacuation carrying out desulfurization and dedusting according to claim 1 and 2 is characterized in that described seawater pipeline (8) is connected with spray equipment (4) by flow regulator.
4. the device that utilizes seawater to boats and ships smoke evacuation carrying out desulfurization and dedusting according to claim 3 is characterized in that described separator (6) adopts one-level or multiple-stage separator.
5. the device that utilizes seawater to boats and ships smoke evacuation carrying out desulfurization and dedusting according to claim 4 is characterized in that described separator (6) is connected with air mix facilities (7) by the water source heat pump to exchange heat device.
6. one kind is utilized seawater that the method for desulfurization and dedusting is carried out in boats and ships smoke evacuations, and it comprises engine/oil burning boiler, spray scrubber, separator and air mix facilities on the boats and ships, the steps include:
1) flue gas cooling: the high-temperature flue gas that utilizes seawater that the engine on the boats and ships/oil burning boiler is discharged cools off:
2) washing flue gas: utilize the reverse spray cooled smoke of seawater, with the SO in the flue gas
2And dust washes clean and discharging;
3) discharge seawater: will absorb SO
2Acid seawater be discharged into separator from the spray washing tower bottom;
4) separate oil slick and mud: in separator the mud of oil slick under the seawer washing and flying dust formation is separated, oil slick and mud under separating enter holder, and the seawater after the separation enters air mix facilities;
5) mixed diluting: a large amount of fresh seawater are injected air mix facilitieses, utilize the fresh seawater dilution, in and the acid seawater after the desulfurization, its PH is raise, reach discharge standard;
6) discharge: will be discharged into the surrounding waters through dilution back seawater up to standard.
7. the method for utilizing seawater to boats and ships smoke evacuation carrying out desulfurization and dedusting according to claim 6 is characterized in that, described high-temperature flue gas is cooled off is in spray scrubber inlet or tower.
8. according to claim 6 or the 7 described methods of utilizing seawater to boats and ships smoke evacuation carrying out desulfurization and dedusting, it is characterized in that the seawater after the described separation directly or after the water source heat pump to exchange heat cooling enters air mix facilities.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2010101956014A CN102274682A (en) | 2010-06-09 | 2010-06-09 | Device and method for desulfurizing and dedusting fume discharged from ships by utilizing seawater |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2010101956014A CN102274682A (en) | 2010-06-09 | 2010-06-09 | Device and method for desulfurizing and dedusting fume discharged from ships by utilizing seawater |
Publications (1)
Publication Number | Publication Date |
---|---|
CN102274682A true CN102274682A (en) | 2011-12-14 |
Family
ID=45100598
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2010101956014A Pending CN102274682A (en) | 2010-06-09 | 2010-06-09 | Device and method for desulfurizing and dedusting fume discharged from ships by utilizing seawater |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN102274682A (en) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105032149A (en) * | 2015-07-07 | 2015-11-11 | 沈阳化工大学 | Calcium carbonate/calcium hydrate-gypsum wet desulphurization and dedusting process for flue gas |
WO2015180127A1 (en) * | 2014-05-28 | 2015-12-03 | 大连海事大学 | Bypass-free induced ship exhaust gas desulfurization system and air inducing method therefor |
US9387438B2 (en) | 2014-02-14 | 2016-07-12 | Tenneco Automotive Operating Company Inc. | Modular system for reduction of sulphur oxides in exhaust |
CN107921365A (en) * | 2016-03-03 | 2018-04-17 | 贝尔科技术股份有限公司 | Exhaust scrubber system for multiple sources |
CN108854457A (en) * | 2018-08-23 | 2018-11-23 | 宁波远康动力设备有限公司 | A kind of device and method carrying out flue gas ash removal using oil emulsion |
WO2020143578A1 (en) * | 2019-01-10 | 2020-07-16 | 彭斯干 | Seagoing vessel clean sailing method and vessel |
CN112933881A (en) * | 2021-03-02 | 2021-06-11 | 威海普益船舶环保科技有限公司 | High-specific-surface-area ship flue gas seawater desulfurization process and system |
CN113750748A (en) * | 2021-10-19 | 2021-12-07 | 中船黄埔文冲船舶有限公司 | Desulfurization system for ship tail gas |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201073586Y (en) * | 2007-08-01 | 2008-06-18 | 大连海事大学 | Device for carrying out sea water washing treatment to marine vehicle tail gas |
CN101314106A (en) * | 2008-06-13 | 2008-12-03 | 彭斯干 | Method and apparatus for desulfurizing exhaust gas of seagoing vessel |
US20090188782A1 (en) * | 2007-10-01 | 2009-07-30 | Escrub Systems Incorporated | Wet-discharge electron beam flue gas scrubbing treatment |
CN201692764U (en) * | 2010-06-09 | 2011-01-05 | 同方环境股份有限公司 | Desulfurization and dust removal device for smoke removal of ships by utilizing seawater |
-
2010
- 2010-06-09 CN CN2010101956014A patent/CN102274682A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201073586Y (en) * | 2007-08-01 | 2008-06-18 | 大连海事大学 | Device for carrying out sea water washing treatment to marine vehicle tail gas |
US20090188782A1 (en) * | 2007-10-01 | 2009-07-30 | Escrub Systems Incorporated | Wet-discharge electron beam flue gas scrubbing treatment |
CN101314106A (en) * | 2008-06-13 | 2008-12-03 | 彭斯干 | Method and apparatus for desulfurizing exhaust gas of seagoing vessel |
CN201692764U (en) * | 2010-06-09 | 2011-01-05 | 同方环境股份有限公司 | Desulfurization and dust removal device for smoke removal of ships by utilizing seawater |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9387438B2 (en) | 2014-02-14 | 2016-07-12 | Tenneco Automotive Operating Company Inc. | Modular system for reduction of sulphur oxides in exhaust |
WO2015180127A1 (en) * | 2014-05-28 | 2015-12-03 | 大连海事大学 | Bypass-free induced ship exhaust gas desulfurization system and air inducing method therefor |
CN105032149A (en) * | 2015-07-07 | 2015-11-11 | 沈阳化工大学 | Calcium carbonate/calcium hydrate-gypsum wet desulphurization and dedusting process for flue gas |
CN107921365A (en) * | 2016-03-03 | 2018-04-17 | 贝尔科技术股份有限公司 | Exhaust scrubber system for multiple sources |
CN108854457A (en) * | 2018-08-23 | 2018-11-23 | 宁波远康动力设备有限公司 | A kind of device and method carrying out flue gas ash removal using oil emulsion |
WO2020143578A1 (en) * | 2019-01-10 | 2020-07-16 | 彭斯干 | Seagoing vessel clean sailing method and vessel |
CN112933881A (en) * | 2021-03-02 | 2021-06-11 | 威海普益船舶环保科技有限公司 | High-specific-surface-area ship flue gas seawater desulfurization process and system |
CN113750748A (en) * | 2021-10-19 | 2021-12-07 | 中船黄埔文冲船舶有限公司 | Desulfurization system for ship tail gas |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN201728054U (en) | Device for alkali-based desulfurization of exhausted smoke on ship | |
CN102309912A (en) | Device and method for performing alkali desulfurization and dust removal on ship exhaust fume | |
CN102274682A (en) | Device and method for desulfurizing and dedusting fume discharged from ships by utilizing seawater | |
EP2301647B1 (en) | Washing device and washing method for marine exhaust flue gases | |
CN102112210B (en) | Method and device for desulfurization of smoke discharged from ship | |
CN201692764U (en) | Desulfurization and dust removal device for smoke removal of ships by utilizing seawater | |
CN101314106A (en) | Method and apparatus for desulfurizing exhaust gas of seagoing vessel | |
CN104492210A (en) | Flue gas desulfurization and dust removal technology and integrated apparatus applicable to ship | |
CN103331093A (en) | Device for washing and desulfurating waste gas of marine diesel engine | |
CN107344068B (en) | Flue gas seawater desulfurization and denitrification process integrating photocatalytic oxidation and photocatalytic aeration | |
CN105289246A (en) | Method and device for washing and purifying ocean engineering power tail gas only through seawater | |
CN105498535A (en) | Method and device for removing nitrogen oxide in waste gas of marine diesel engine by use of sodium chlorite seawater solution | |
CN106984161A (en) | A kind of marine exhaust pollutant and ballast water integrated conduct method and device | |
CN108970349B (en) | Marine diesel engine tail gas desulfurization and denitrification integrated device and method | |
CN203291707U (en) | Seawater desulfurization system suitable for sulphur waste gas treatment of large and medium-sized ship diesel engine | |
CN108479324B (en) | Miniaturized boats and ships desulfurization falls nitre dust collector | |
CN110013765A (en) | A kind of ship tail gas denitration integrated device | |
CN206746287U (en) | Disturbed flow pipe grid under the liquid that a kind of ship machine exhaust contaminant is administered | |
CN104607020B (en) | Flue-gas dust-removing and desulfurization reactor and fume desulphurization method | |
CN106621756B (en) | Device for cooperatively treating multiple pollutants in ship engine exhaust and working method thereof | |
CN104162361A (en) | Device for absorbing and purifying SO2 in diesel engine tail gas by utilizing seawater and absorption method | |
CN211159243U (en) | Ship exhaust gas desulfurization system | |
CN110575743B (en) | Desulphurization unit for boats and ships | |
CN204320010U (en) | A kind of flue gas desulfurization and dust removal integrated plant be applicable on boats and ships | |
CN203990255U (en) | A kind ofly utilize SO in Absorption by Sea Water purification of diesel tail gas 2device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20111214 |