CN105626199B - Ship power system and ship - Google Patents
Ship power system and ship Download PDFInfo
- Publication number
- CN105626199B CN105626199B CN201410588053.XA CN201410588053A CN105626199B CN 105626199 B CN105626199 B CN 105626199B CN 201410588053 A CN201410588053 A CN 201410588053A CN 105626199 B CN105626199 B CN 105626199B
- Authority
- CN
- China
- Prior art keywords
- exhaust gas
- ship
- power system
- unit
- water treatment
- 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
- 239000007789 gas Substances 0.000 claims abstract description 64
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 40
- 238000001816 cooling Methods 0.000 claims abstract description 26
- 230000002000 scavenging effect Effects 0.000 claims abstract description 17
- 239000002912 waste gas Substances 0.000 claims abstract description 15
- 230000003134 recirculating effect Effects 0.000 claims abstract description 14
- 238000005201 scrubbing Methods 0.000 claims description 7
- 239000012535 impurity Substances 0.000 claims description 3
- 239000008213 purified water Substances 0.000 claims description 2
- 238000004064 recycling Methods 0.000 claims description 2
- 239000010865 sewage Substances 0.000 claims description 2
- 238000000746 purification Methods 0.000 claims 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Inorganic materials [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 abstract description 30
- 235000011121 sodium hydroxide Nutrition 0.000 abstract description 13
- 238000004140 cleaning Methods 0.000 abstract description 2
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 15
- 108010066278 cabin-4 Proteins 0.000 description 5
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003500 flue dust Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000004073 vulcanization Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical class [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Treating Waste Gases (AREA)
- Exhaust Gas After Treatment (AREA)
- Exhaust-Gas Circulating Devices (AREA)
Abstract
The present invention proposes a kind of ship power system and corresponding ship, ship power system includes the host with waste gas header and scavenging air trunk, EGR exhaust recirculating line, mode switching valve, auxiliary water treatment system, which includes: dregs of fat cabin, exhaust gas wash cooling unit, collector unit, water treatment unit and lye cabin；Exhaust gas wash cooling unit can be washed and be cooled down to the gas in EGR exhaust recirculating line；Water treatment unit purifies water collected by collector unit；Lye cabin can supply caustic soda to water treatment unit.Ship power system of the present invention, engine is imported into again by setting EGR exhaust recirculating line and after assisting water treatment system that the tail gas of part can be carried out to cleaning cooling to burn, host can be made to meet three-level discharge, by switching mode switching valve, it can discharge in second level and be converted between three-level discharge.
Description
Technical field
The present invention relates to a kind of ship power system and a kind of ships with the ship power system.
Background technique
It is now more and more as IMO (International Maritime Organization) is increasingly strict to the requirement of marine main engine waste gas emission standard
Country and area be provided with emission control area, these delimit regions have certain want to nitrogen oxides or/and sulfide
It asks.For the ship built before on January 1st, 2016, IMO requires nitrogen oxides that need to meet secondary standard (TIERII), and right
The ship built after on January 1st, 2016, nitrogen oxides need to meet grade III Standard (TIERIII), and engine needs first are done
These modifications are made in revolutionary modification out, need expensive capital investment, and these costs are often finally all bought by shipowner
It is single, so the requirement of three-level discharge is evaded in many shipowner's selections, orders and build before getting the jump on January 1st, 2016.
So the ship built before on January 1st, 2016, can only generally meet the standard of second level discharge.But environment
Protection is the certainty of history, and the newest discharged nitrous oxides standard of promotion and application is trend of the times.
Above- mentioned information are only used for reinforcing the understanding to background of the invention, therefore it disclosed in the background technology part
It may include the information not constituted to the prior art known to persons of ordinary skill in the art.
Summary of the invention
It is an object of the present invention to overcome above-mentioned the deficiencies in the prior art, one kind is provided and had both been able to satisfy second level discharge,
The ship power system of three-level discharge can be met by change pattern again.
Another object of the present invention is to provide the ships with the ship power system.
Additional aspect and advantage of the invention will be set forth in part in the description, and partly will be from description
It is apparent from, or can practice through the invention and acquistion.
According to an aspect of the present invention, a kind of ship power system, including the master with waste gas header and scavenging air trunk
Machine further includes the EGR exhaust recirculating line for connecting waste gas header and scavenging air trunk, connects on EGR exhaust recirculation pipe road
There is the mode switching valve that can be turned on or off, which further includes assisting water treatment system, at the auxiliary water
Reason system includes:
Dregs of fat cabin；
Exhaust gas wash cooling unit can be washed and be cooled down to the gas in EGR exhaust recirculating line；
Collector unit is connected with exhaust gas wash cooling unit, can receive the water in exhaust gas wash cooling unit
Collection；
Water treatment unit is connected with collector unit and exhaust gas wash cooling unit, can be to collected by collector unit
Water is purified, and purified water is sent to exhaust gas wash cooling unit, and the dregs of fat purified from water are sent to dregs of fat cabin；
Lye cabin can supply lye to water treatment unit.
According to an embodiment of the present invention, the sewage pipe that can be connected to dregs of fat cabin is equipped in collector unit.
According to an embodiment of the present invention, the exhaust gas wash cooling unit include be sequentially connected in series in mode switching valve and
Prewashing column, cooler for recycled exhaust gas and the main scrubbing tower of EGR exhaust recirculation pipe road between scavenging air trunk.
It according to an embodiment of the present invention, further include a shutdown turbine with exhaust gas turbine and compressor turbine, it is described
Turn off turbine exhaust gas turbine air inlet and waste gas header between be equipped with the first Shuttoff Valve, the gas outlet of compressor turbine with
The second Shuttoff Valve is equipped between cooler for recycled exhaust gas.
According to an embodiment of the present invention, the bottom of ship is arranged in the dregs of fat cabin.
According to an embodiment of the present invention, the separator for impurity screening is provided in water treatment unit.
According to an embodiment of the present invention, further include a shutdown turbine, the shutdown turbine have exhaust gas turbine and
Compressor turbine, is connected with the first valve 15 between the air inlet and waste gas header of the exhaust gas turbine, the compressor turbine goes out
The second valve is connected between port and cooler for recycled exhaust gas.
According to another aspect of the present invention, a kind of ship, above-mentioned ship power system.
According to an embodiment of the present invention, which is container ship.
As shown from the above technical solution, the advantages and positive effects of the present invention are:
Ship power system of the present invention, can be by portion by setting EGR exhaust recirculating line and auxiliary water treatment system
Point tail gas carry out importeding into engine again after cleaning is cooling and burn, it is thus possible to so that host is met three-level discharge, lead to
Switching mode switching valve is crossed, can discharge in second level and be converted between three-level discharge.
Detailed description of the invention
Its example embodiment is described in detail by referring to accompanying drawing, above and other feature of the invention and advantage will become
It is more obvious.
Fig. 1 is the schematic diagram of ship power system of the embodiment of the present invention；
Fig. 2 is the schematic diagram that water treatment system is assisted in the embodiment of the present invention.
In figure: 1, host；11, waste gas header；12, scavenging air trunk；13, main turbine；14, turbine is turned off；15, the first valve
Door；16, the second valve；2, EGR exhaust recirculating line；3, mode switching valve；4, dregs of fat cabin；5, exhaust gas wash cooling unit；
51, prewashing column；52, cooler for recycled exhaust gas；53, main scrubbing tower；6, collector unit；7, water treatment unit；8, lye cabin；9, blowdown
Pipe.
Specific embodiment
Example embodiment is described more fully with reference to the drawings.However, example embodiment can be with a variety of shapes
Formula is implemented, and is not understood as limited to embodiment set forth herein；On the contrary, thesing embodiments are provided so that the present invention will
Fully and completely, and by the design of example embodiment comprehensively it is communicated to those skilled in the art.Identical attached drawing in figure
Label indicates same or similar structure, thus the detailed description that will omit them.
As shown in Figures 1 and 2, the invention discloses a kind of ship power systems, it includes having waste gas header 11 and sweeping
The host 1 of gas general pipeline 12 further includes the EGR exhaust recirculating line 2 for connecting waste gas header 11 and scavenging air trunk 12.EGR
(Exhaust Gas Recycling) exhaust gas recirculation circuit 2 is for the exhaust gas that host 1 generates to be reintroduced back in host.?
The mode switching valve 3 that can be turned on or off is in series on EGR exhaust recirculating line 2.This ship power system further includes
Assist water treatment system.The exhaust gas generated in host 1 can enter in waste gas header 11, then be arranged again by main turbine 13
Out.By compresses fresh air into scavenging air trunk 12, these fresh airs can be inhaled into host 1 main turbine 13.
This ship power system can turn on or off the EGR function of host 1 by opening or closing mode switching valve 3
Can, and when opening EGR function, portion is reintroduced in scavenging air trunk 12 from waste gas header 11.When host 1
EGR function open when, this ship power system can satisfy TIERIII three-level discharge, after closing EGR function, Ke Yiman
Sufficient TIERII second level discharge.
Auxiliary water treatment system include dregs of fat cabin 4, collector unit 6, exhaust gas wash cooling unit 5, water treatment unit 7 and
Lye cabin 8.
Exhaust gas wash cooling unit 5 can be washed and be cooled down to the exhaust gas in EGR exhaust recirculating line 2.It should
Exhaust gas wash cooling unit 5 includes the EGR exhaust recirculating line being sequentially connected in series between mode switching valve 3 and scavenging air trunk 12
Prewashing column 51, cooler for recycled exhaust gas 52 and main scrubbing tower 53 on 2.Exhaust gas in EGR exhaust recirculating line 2 first passes through pre-
Scrubbing tower 51 sprays part flue dust and sulfide therein by fresh water and is disposed of, and then exhaust gas is using cooler for recycled exhaust gas 52
With main scrubbing tower 53.Lye is added when washing to exhaust gas gas, in washing water can neutralize the vulcanization in exhaust gas well
Object and nitrogen oxides, lye can be using caustic soda or other basic species.
From in exhaust gas wash cooling unit 5 by exhaust gas enter scavenging air trunk 12 after, host 1 can be re-introduced into
In burn, since the oxygen content in exhaust gas significantly reduces, the oxygen content after mixing in scavenging air trunk 12 can also be reduced,
The nitrogen oxides that host 1 generates when working will be reduced, so that host 1 can reach TIERIII three-level emission request.
Contain flue dust sediment and sulfide from the waste water come out in exhaust gas wash cooling unit 5, there is certain acid
Property, these waste water are first collected unit 6 and collect, and then enter water treatment unit 7 by collector unit 6 again.Water process list
Member 7 is connected with collector unit 6 and exhaust gas wash cooling unit 5, it purifies water collected by collector unit 6, and will be net
Water after change is sent to exhaust gas wash cooling unit 5, and the dregs of fat purified from water are sent to dregs of fat cabin 4.It is set in water treatment unit 7
The impurity that separator is crossed in drainage is set, also, caustic soda, the vulcanization in Lai Zhonghe water can also be added into water treatment unit 7
Object.The caustic soda added into water treatment unit 7 is supplied by lye cabin 8.
In order to improve the safety of system, the row that the two can be connected to is provided between collector unit 6 and dregs of fat cabin 4
Dirty pipe 9, so that the waste water in collector unit 6 can be directly discharged to dregs of fat cabin 4 when water treatment unit 7 breaks down
It is internal.Dregs of fat cabin 4 generally can be positioned at the bottom of ship, achieve the purpose that space makes full use of.
This ship power system is additionally provided with a shutdown turbine 14.When host 1 is not required to open EGR function, a part is useless
Gas by shutdown turbine drive compressor, fresh air can by exhaust gas recycle part pipeline intake scavenging air trunk, and
Exhaust gas by turning off turbine 14 will be discharged into atmosphere by exhaust pipe.Turning off turbine 14 has exhaust gas turbine and compressor turbine,
The first valve 15 is equipped between the air inlet and waste gas header 11 of its exhaust gas turbine, the gas outlet of compressor turbine and EGR are cooling
The second valve 16 is equipped between device 52.After first valve 15 and the second valve 16 are fully open, shutdown turbine 14 begins to work
Make, this when, mode switching valve 3 was automatically closed, and the part pipeline that fresh air is recycled by exhaust gas enters scavenging air trunk
12。
This ship power system can by the state of switch mode switching valve 3, make host 1 be emitted on three-level discharge and
It is converted between second level discharge, the requirement of environmental protection can be reached, meet relevant legal provisions, and energy conservation can be reached, reduce fortune
Seek the purpose of cost.
Present embodiment also discloses a kind of ship, with the ship power system of present embodiment on the ship.The ship
Oceangoing ship is container ship, is also possible to other kinds of ship.
It is particularly shown and described exemplary embodiments of the present invention above.It should be understood that the present invention is not limited to institute
Disclosed embodiment, on the contrary, it is intended to cover comprising various modifications in the spirit and scope of the appended claims
And equivalent arrangements.
Claims (6)
1. a kind of ship power system, including the host with waste gas header and scavenging air trunk, it is characterised in that: further include connection
The EGR exhaust recirculating line of waste gas header and scavenging air trunk, be in series on EGR exhaust recirculation pipe road can open or
The mode switching valve of closing, the ship power system further include auxiliary water treatment system, which includes:
Dregs of fat cabin；
Exhaust gas wash cooling unit can be washed and be cooled down to the gas in EGR exhaust recirculating line；
Collector unit is connected with exhaust gas wash cooling unit, can be collected the water in exhaust gas wash cooling unit；
Water treatment unit is connected with collector unit and exhaust gas wash cooling unit, can to water collected by collector unit into
Row purification, and purified water is sent to exhaust gas wash cooling unit, the dregs of fat purified from water are sent to dregs of fat cabin；
Lye cabin can supply lye to water treatment unit；
The exhaust gas wash cooling unit includes the EGR exhaust recycling being sequentially connected in series between mode switching valve and scavenging air trunk
Prewashing column, cooler for recycled exhaust gas and main scrubbing tower on pipeline；
The ship power system further includes a shutdown turbine, and the shutdown turbine has exhaust gas turbine and compressor turbine, institute
It states and is connected with the first valve between the air inlet of exhaust gas turbine and waste gas header, the gas outlet of the compressor turbine and EGR are cooling
The second valve is connected between device；
When first valve and second valve are opened and the mode switching valve is closed, the gas of the compressor turbine output
Physical efficiency passes sequentially through the cooler for recycled exhaust gas and the main scrubbing tower enters the scavenging air trunk.
2. ship power system according to claim 1, it is characterised in that: collector unit is equipped with and can be connected to dregs of fat cabin
Sewage pipe.
3. ship power system according to claim 1, it is characterised in that: the bottom of ship is arranged in the dregs of fat cabin.
4. ship power system according to claim 1, it is characterised in that: be provided in the water treatment unit for
Filter the separator of impurity.
5. a kind of ship, which is characterized in that including ship power system according to any one of claims 1 to 4.
6. ship according to claim 5, it is characterised in that: the ship is container ship.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410588053.XA CN105626199B (en) | 2014-10-15 | 2014-10-28 | Ship power system and ship |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410546238 | 2014-10-15 | ||
| CN2014105462384 | 2014-10-15 | ||
| CN201410588053.XA CN105626199B (en) | 2014-10-15 | 2014-10-28 | Ship power system and ship |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105626199A CN105626199A (en) | 2016-06-01 |
| CN105626199B true CN105626199B (en) | 2019-07-09 |
Family
ID=56041481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410588053.XA Expired - Fee Related CN105626199B (en) | 2014-10-15 | 2014-10-28 | Ship power system and ship |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105626199B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108533424A (en) * | 2017-12-27 | 2018-09-14 | 沪东重机有限公司 | The changeable gas recirculation system of the pattern of two strokes low-speed diesel engine peculiar to vessel |
| CN109372659A (en) * | 2018-10-26 | 2019-02-22 | 江苏中远环保科技有限公司 | A kind of energy-saving environmental protection device in control loop cooler |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10306719A (en) * | 1997-05-06 | 1998-11-17 | Mitsubishi Heavy Ind Ltd | Emission control method for reciprocating internal combustion engine provided with egr mechanism, and device for the same |
| DE10347589A1 (en) * | 2003-10-14 | 2005-06-09 | Volkswagen Ag | Vehicle engine with two exhaust gas turbo chargers, has first turbo charger connected to bypass pipe containing bypass valve |
| CN103052790A (en) * | 2010-08-24 | 2013-04-17 | 三菱重工业株式会社 | Engine exhaust-gas purification device |
| CN103388514A (en) * | 2012-05-10 | 2013-11-13 | 曼柴油机涡轮机欧洲股份公司曼柴油机涡轮机德国分公司 | Internal combustion engine |
| EP2738364A1 (en) * | 2012-11-29 | 2014-06-04 | Alfa Laval Corporate AB | Exhaust gas scrubber, system for treatment of scrubber water and use of an exhaust gas scrubber |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060174621A1 (en) * | 2005-02-04 | 2006-08-10 | Kai Chen | Two-turbocharger engine and method |
-
2014
- 2014-10-28 CN CN201410588053.XA patent/CN105626199B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10306719A (en) * | 1997-05-06 | 1998-11-17 | Mitsubishi Heavy Ind Ltd | Emission control method for reciprocating internal combustion engine provided with egr mechanism, and device for the same |
| DE10347589A1 (en) * | 2003-10-14 | 2005-06-09 | Volkswagen Ag | Vehicle engine with two exhaust gas turbo chargers, has first turbo charger connected to bypass pipe containing bypass valve |
| CN103052790A (en) * | 2010-08-24 | 2013-04-17 | 三菱重工业株式会社 | Engine exhaust-gas purification device |
| CN103388514A (en) * | 2012-05-10 | 2013-11-13 | 曼柴油机涡轮机欧洲股份公司曼柴油机涡轮机德国分公司 | Internal combustion engine |
| EP2738364A1 (en) * | 2012-11-29 | 2014-06-04 | Alfa Laval Corporate AB | Exhaust gas scrubber, system for treatment of scrubber water and use of an exhaust gas scrubber |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105626199A (en) | 2016-06-01 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20190709 |