CN113153499A - Electrical control system and method for ship tail gas emission - Google Patents
Electrical control system and method for ship tail gas emission Download PDFInfo
- Publication number
- CN113153499A CN113153499A CN202011306873.7A CN202011306873A CN113153499A CN 113153499 A CN113153499 A CN 113153499A CN 202011306873 A CN202011306873 A CN 202011306873A CN 113153499 A CN113153499 A CN 113153499A
- Authority
- CN
- China
- Prior art keywords
- tail gas
- reactor
- circulating fan
- afterburning
- supply unit
- 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
- 238000000034 method Methods 0.000 title claims abstract description 26
- 239000007789 gas Substances 0.000 claims abstract description 39
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims abstract description 37
- 239000004202 carbamide Substances 0.000 claims abstract description 37
- 238000006555 catalytic reaction Methods 0.000 claims abstract description 4
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 claims description 11
- 229910000037 hydrogen sulfide Inorganic materials 0.000 claims description 11
- 239000003638 chemical reducing agent Substances 0.000 claims description 10
- 238000012545 processing Methods 0.000 claims description 9
- 239000003054 catalyst Substances 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 7
- 239000003546 flue gas Substances 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 5
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 9
- 239000000779 smoke Substances 0.000 description 7
- 238000010531 catalytic reduction reaction Methods 0.000 description 4
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000011946 reduction process Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N9/00—Electrical control of exhaust gas treating apparatus
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N11/00—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N11/00—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity
- F01N11/002—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity the diagnostic devices measuring or estimating temperature or pressure in, or downstream of the exhaust apparatus
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
- F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
- F01N3/2066—Selective catalytic reduction [SCR]
- F01N3/208—Control of selective catalytic reduction [SCR], e.g. dosing of reducing agent
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2570/00—Exhaust treating apparatus eliminating, absorbing or adsorbing specific elements or compounds
- F01N2570/14—Nitrogen oxides
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2570/00—Exhaust treating apparatus eliminating, absorbing or adsorbing specific elements or compounds
- F01N2570/24—Hydrogen sulfide (H2S)
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2610/00—Adding substances to exhaust gases
- F01N2610/02—Adding substances to exhaust gases the substance being ammonia or urea
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2610/00—Adding substances to exhaust gases
- F01N2610/14—Arrangements for the supply of substances, e.g. conduits
- F01N2610/1453—Sprayers or atomisers; Arrangement thereof in the exhaust apparatus
- F01N2610/146—Control thereof, e.g. control of injectors or injection valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
- F01N2900/04—Methods of control or diagnosing
- F01N2900/0408—Methods of control or diagnosing using a feed-back loop
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
- F01N2900/06—Parameters used for exhaust control or diagnosing
- F01N2900/14—Parameters used for exhaust control or diagnosing said parameters being related to the exhaust gas
- F01N2900/1404—Exhaust gas temperature
-
- 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
- Y02T10/40—Engine management systems
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Exhaust Gas After Treatment (AREA)
Abstract
Description
Claims (9)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202011306873.7A CN113153499A (en) | 2020-11-20 | 2020-11-20 | Electrical control system and method for ship tail gas emission |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202011306873.7A CN113153499A (en) | 2020-11-20 | 2020-11-20 | Electrical control system and method for ship tail gas emission |
Publications (1)
Publication Number | Publication Date |
---|---|
CN113153499A true CN113153499A (en) | 2021-07-23 |
Family
ID=76882469
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202011306873.7A Pending CN113153499A (en) | 2020-11-20 | 2020-11-20 | Electrical control system and method for ship tail gas emission |
Country Status (1)
Country | Link |
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CN (1) | CN113153499A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113638792A (en) * | 2021-08-31 | 2021-11-12 | 沪东重机有限公司 | LP-SCR (Low-Voltage Selective catalytic reduction) electrical control and security system for diesel engine exhaust emission and working method thereof |
Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011087031A1 (en) * | 2010-01-15 | 2011-07-21 | 三菱重工業株式会社 | Exhaust-gas denitration system, ship equipped therewith, and method for controlling exhaust-gas denitration system |
KR20140000556A (en) * | 2012-06-25 | 2014-01-03 | 두산엔진주식회사 | Power plant for ship with selective catalytic reuction system for internal combustion engine |
CN105771649A (en) * | 2016-05-06 | 2016-07-20 | 哈尔滨工程大学 | Composite device for aftertreatment of ship low-speed diesel engine end gas |
CN107754608A (en) * | 2017-11-24 | 2018-03-06 | 江苏科技大学 | A kind of circulation of tail gas reprocessing device of ship denitrating system based on SCR |
CN207761761U (en) * | 2017-12-22 | 2018-08-24 | 沪东重机有限公司 | A kind of marine diesel low pressure SCR afterburning systems |
CN109847582A (en) * | 2019-01-31 | 2019-06-07 | 沪东重机有限公司 | Ship low pressure SCR system and its working method suitable for low-temperature SCR catalyst |
KR102012274B1 (en) * | 2018-02-27 | 2019-08-20 | 이수연 | Temperature and pressure controller of selective catalytic reduction system |
KR102055312B1 (en) * | 2019-09-02 | 2019-12-12 | 부경대학교 산학협력단 | System for treating exhaust gas of large ship |
CN209952601U (en) * | 2019-01-31 | 2020-01-17 | 沪东重机有限公司 | Ship low-pressure SCR system suitable for low-temperature SCR catalyst |
CN211343076U (en) * | 2019-10-29 | 2020-08-25 | 中船动力研究院有限公司 | Low-pressure selective catalytic reduction system and control device thereof |
CN214533160U (en) * | 2020-11-20 | 2021-10-29 | 中船动力(集团)有限公司 | Electrical control system for ship tail gas emission |
-
2020
- 2020-11-20 CN CN202011306873.7A patent/CN113153499A/en active Pending
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011087031A1 (en) * | 2010-01-15 | 2011-07-21 | 三菱重工業株式会社 | Exhaust-gas denitration system, ship equipped therewith, and method for controlling exhaust-gas denitration system |
KR20140000556A (en) * | 2012-06-25 | 2014-01-03 | 두산엔진주식회사 | Power plant for ship with selective catalytic reuction system for internal combustion engine |
CN105771649A (en) * | 2016-05-06 | 2016-07-20 | 哈尔滨工程大学 | Composite device for aftertreatment of ship low-speed diesel engine end gas |
CN107754608A (en) * | 2017-11-24 | 2018-03-06 | 江苏科技大学 | A kind of circulation of tail gas reprocessing device of ship denitrating system based on SCR |
CN207761761U (en) * | 2017-12-22 | 2018-08-24 | 沪东重机有限公司 | A kind of marine diesel low pressure SCR afterburning systems |
KR102012274B1 (en) * | 2018-02-27 | 2019-08-20 | 이수연 | Temperature and pressure controller of selective catalytic reduction system |
CN109847582A (en) * | 2019-01-31 | 2019-06-07 | 沪东重机有限公司 | Ship low pressure SCR system and its working method suitable for low-temperature SCR catalyst |
CN209952601U (en) * | 2019-01-31 | 2020-01-17 | 沪东重机有限公司 | Ship low-pressure SCR system suitable for low-temperature SCR catalyst |
KR102055312B1 (en) * | 2019-09-02 | 2019-12-12 | 부경대학교 산학협력단 | System for treating exhaust gas of large ship |
CN211343076U (en) * | 2019-10-29 | 2020-08-25 | 中船动力研究院有限公司 | Low-pressure selective catalytic reduction system and control device thereof |
CN214533160U (en) * | 2020-11-20 | 2021-10-29 | 中船动力(集团)有限公司 | Electrical control system for ship tail gas emission |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113638792A (en) * | 2021-08-31 | 2021-11-12 | 沪东重机有限公司 | LP-SCR (Low-Voltage Selective catalytic reduction) electrical control and security system for diesel engine exhaust emission and working method thereof |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
TA01 | Transfer of patent application right | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20211012 Address after: 200129 No. 1333, Laiyang Road, Pudong New Area, Shanghai Applicant after: China Shipbuilding Power (Group) Co.,Ltd. Applicant after: HUDONG HEAVY MACHINERY Co.,Ltd. Address before: 200129 346, 2851 Pudong Avenue, Shanghai, Pudong New Area Applicant before: HUDONG HEAVY MACHINERY Co.,Ltd. |
|
TA01 | Transfer of patent application right | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20230713 Address after: 201208 No. 1333, Laiyang Road, Pudong New Area, Shanghai Applicant after: China Shipbuilding Power (Group) Co.,Ltd. Address before: 200129 No. 1333, Laiyang Road, Pudong New Area, Shanghai Applicant before: China Shipbuilding Power (Group) Co.,Ltd. Applicant before: HUDONG HEAVY MACHINERY Co.,Ltd. |