CN205779365U - A kind of boat diesel engine double fuel oil supply system - Google Patents
A kind of boat diesel engine double fuel oil supply system Download PDFInfo
- Publication number
- CN205779365U CN205779365U CN201620407301.0U CN201620407301U CN205779365U CN 205779365 U CN205779365 U CN 205779365U CN 201620407301 U CN201620407301 U CN 201620407301U CN 205779365 U CN205779365 U CN 205779365U
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- China
- Prior art keywords
- fuel
- sulfur
- oil
- cargo tank
- flow returns
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Abstract
The purpose of this utility model is to provide a kind of boat diesel engine double fuel oil supply system, including sustainer, oil supply unit, high-sulfur cargo tank, low oil cargo tank, oil supply unit includes transfer pump for fuel, fuel flow returns cylinder, fuel circulating pump, fuel heater, full sulfur formula cleaner, oil inlet pipe is connected at the oil-feed of transfer pump for fuel, oil inlet pipe is connected by the way of threeway with the export pipeline of high-sulfur cargo tank and the export pipeline of low-sulfur cargo tank, the fuel-displaced place of transfer pump for fuel connects flowline, flowline connects fuel flow returns cylinder respectively, fuel flow returns cylinder is respectively by the first loop, high-sulfur oil circuit connects sustainer, high-sulfur cargo tank, fuel flow returns cylinder is sequentially connected with fuel circulating pump by second servo loop, fuel heater, full sulfur formula cleaner, the end of second servo loop connects sustainer.This utility model can not only ensure that boats and ships reach discharge standard when ECAs runs, and ensure that atomizer import and the lubricity of fuel pump and the viscosity of fuel oil when fuel oil switches.
Description
Technical field
The utility model relates to the oil supply system of a kind of boat diesel engine, specifically boat diesel engine.
Background technology
The fuel oil stopping European Union's port boats and ships about amendment according to European Union's decree 2005/33/EC-notifies containing flow-control, from
On January 1st, 2010 rises, and except those epi region, all boats and ships stopped at European Union harbour, its fuel oil sulfur content must not exceed
The maximum limit of 0.10% (weight ratio).Meanwhile, California, USA air resource committee (CARB) is also to fuel oil
The effective date of the maximum limit of sulfur content specifies, from 1 day July in 2009, and the boats and ships at all stop California, USA harbours
Use the sulfur content fuel oil less than 1.5% or the diesel oil of 0.5；From 1 day January in 2012, all stop California, USA harbours
Boats and ships use sulfur content less than 0.1% fuel oil or diesel oil；JIUYUE in 2013 State Council on the 12nd has promulgated that " atmospheric pollution is prevented
Control action plan ", formulate the route map of China's air pollution control, paid close attention to three key areas: Jing-jin-ji region, the Yangtze River Delta
With area, Pearl River Delta.At present, China is formulating state environment protecting standard " the engine of boat and ship aerofluxus for boat diesel engine
Pollutant emission limit and measuring method ", plan formally to implement in January, 2016；" boats and ships and port pollution preventing and treating are put into effect
Special campaigns embodiment (2015～the year two thousand twenty) ", in the hope of reducing ship tail gas sulfur dioxide, nitrogen oxides and particulate matter etc.
Discharge capacity.Owing to above-mentioned fuel oil sulfur content limits coming into force of requiring, all stop European Union, harbour, California and the existing ship of China or
New shipbuilding all suffers from main auxiliary machine and the needs of boiler Low Sulfur Fuel Oil conversion transformation.
Scheme currently for the oil circuit design of Performance of Fuel-Injection System for Marine Diesel Engines high-sulfur oils and low sulfur oil switching is little, mostly
It is that the oil circuit for independent a kind of fuel oil designs, such as:
Patent CN201410112703.3 discloses a kind of high-sulfur clarifying fuel oil heating system peculiar to vessel, and this system comprises: high
Sulfur oil Circulation and Hot Oil Spray heating system and pipeline connect the high-sulfur oils cleaning system of this high-sulfur oils Circulation and Hot Oil Spray heating system；High-sulfur oils
Circulation conduction oil in Circulation and Hot Oil Spray heating system, this high-sulfur oils Circulation and Hot Oil Spray heating system comprise formed loop boiler,
High-sulfur oils settling tank, high-sulfur oils daily tank, gs-oil separator, circular-pump；High-sulfur oils cleaning system comprises pipeline and connects height
The centrifugal oil separator heater of sulfur oil settling tank, input connect the centrifugal oil separator of centrifugal oil separator heater；Centrifugal oil separator outfan pipeline connects
To high-sulfur oils daily tank.This patent can improve high-sulfur oils mobility by heating high-sulfur oils, but after Tier III announces,
The boats and ships SOx discharge run at ECAs is restricted, and therefore this patent range of application is restricted.
Patent " the high-sulfur oils common rail system of a kind of carry potential overflow valve ", this system comprises: low sulfur oil domestic oil tank, high-sulfur oils day
With fuel tank, low high sulfur oil switching valve, high-pressure oil pump, common rail pipe, rail pressure sensor, fuel injector, overflow valve and Electronic Control list
Unit.Wherein overflow valve is integrated with the function of relief valve and flushing valve, can meet simultaneously high-sulfur oils common rail system overpressure protection, low/
High-sulfur oils switching is rinsed, stop in emergency three functional requirements.Although this patent devises the switching of low high sulfur oil, but have ignored
The viscosity of different fuel oils and the difference of lubricity.
Summary of the invention
The purpose of this utility model is that offer can not only ensure that boats and ships reach discharge standard, Er Qiebao when ECAs runs
Atomizer import and the lubricity of fuel pump and a kind of boat diesel engine double fuel fuel feeding of fuel oil viscosity when having demonstrate,proved fuel oil switching
System.
The purpose of this utility model is achieved in that
This utility model one boat diesel engine double fuel oil supply system, is characterized in that: include sustainer, fuel feeding list
Unit, high-sulfur cargo tank, low oil cargo tank, described oil supply unit includes that transfer pump for fuel, fuel flow returns cylinder, fuel circulating pump, fuel oil add
Hot device, full sulfur formula cleaner, connect oil inlet pipe at the oil-feed of transfer pump for fuel, the export pipeline of oil inlet pipe and high-sulfur cargo tank and
The export pipeline of low-sulfur cargo tank connects by the way of threeway, and installs fuel feeding three-way valve, going out of transfer pump for fuel at threeway
Connecting flowline at You, flowline connects fuel flow returns cylinder respectively, and fuel flow returns cylinder is respectively by the first loop, high-sulfur oil circuit even
Connecing sustainer, high-sulfur cargo tank, fuel flow returns cylinder is sequentially connected with fuel circulating pump, fuel heater, full sulfur by second servo loop
Formula cleaner, the end of second servo loop connects sustainer.
This utility model can also include:
1, between fuel heater and full sulfur formula cleaner second servo loop on low sulfur oil cooler is installed.
2, on high-sulfur oil circuit, automatic air outlet valve is installed.
Advantage of the present utility model is: this utility model system is simple, and oil circuit is converted from by, stable work in work, full
The requirement of the existing every regulation of foot, effectively reduces operating cost, extends the service life of equipment simultaneously；There is good reality
By property, it is possible to produce good economic benefit and social benefit.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the schematic diagram of this utility model oil supply unit.
Detailed description of the invention
Illustrate below in conjunction with the accompanying drawings and this utility model be described in more detail:
In conjunction with Fig. 1～2, this utility model one boat diesel engine double fuel oil supply system includes sustainer 1, fuel feeding list
Unit 2, high-sulfur cargo tank 3 and low-sulfur cargo tank 4；Described sustainer 1 is connected with oil supply unit 2 by oil circuit；Described high-sulfur oils
Cabin 3 is connected with oil supply unit 2 by oil circuit with low-sulfur cargo tank 4.Described oil supply unit 2 includes: transfer pump for fuel 5, fuel oil follow
Ring pump 6, fuel heater 7, low sulfur oil cooler 8, full flow filter 9, fuel flow returns cylinder 10, automatic air removing valve 11 and fuel feeding
Three-way valve 12.Described transfer pump for fuel 5 one end is respectively connected with high-sulfur fuel tank 3, low-sulfur fuel tank 4, the other end and fuel flow returns
Cylinder 10 is connected；Described fuel flow returns cylinder 10 is provided with oil circuit and is directly connected with high-sulfur cargo tank 3；Described fuel flow returns cylinder 10 is provided with
Loop is connected with sustainer 1；Described fuel flow returns cylinder 10 be provided with loop successively with fuel circulating pump 6, fuel heater 7 and
Full flow filter 9 is connected；It is connected between described fuel heater 7 and full flow filter 9 and has low sulfur oil cooler 8.
Owing to the price comparison of low sulfur oil is high, in order to reduce low sulfur oil consumption, present most common method is: boats and ships exist
Using high-sulfur oils when running outside ECAs, use low sulfur oil when entering ECAs, therefore, this patent is to boat diesel engine fuel system
Innovate: set up low-sulfur cargo tank and high-sulfur cargo tank, and high-sulfur cargo tank heating and thermal insulation (being generally kept in about 80 DEG C) respectively；And
Low sulfur oil viscosity is relatively low, and atomizer can cause abrasion, needs cooling to strengthen viscosity, therefore should avoid when cargo tank is arranged low
Sulfur cargo tank is joined directly together with high-sulfur cargo tank surface；It addition, in order to increase low-sulfur oil viscosity, it is ensured that the lubricity of atomizer,
Low sulfur oil cooler has been installed additional on diesel oil owner's fuel feed pump.
Boat diesel engine operationally, has two kinds of mode of operations: high-sulfur oils pattern and low sulfur oil pattern.
(1) high-sulfur oils pattern: fuel feed three-way valve 12 is gone to high-sulfur cargo tank 3 position, is set as gluing by fuel oil unit
Degree control model, fuel-viscosity variation is set as 12cst, reduces main unit load, and fuel-viscosity variation is gradually increased to 12cst, and fuel oil temperature is about
It it is 125 DEG C；
(2) low sulfur oil pattern: fuel feed three-way valve 12 is adjusted to low-sulfur cargo tank 4 position, opens low sulfur oil cooler, combustion
Oil viscosity is gradually decrease to 4cst, and fuel oil temperature is about 40 DEG C.
Described main frame is connected with oil supply unit by oil circuit；Described high-sulfur cargo tank and low-sulfur cargo tank are by oil circuit and confession
Oil unit is connected；Described oil supply unit includes transfer pump for fuel, fuel circulating pump, fuel heater, low sulfur oil cooler, complete
Streaming cleaner, fuel flow returns cylinder and automatic air removing valve；Described transfer pump for fuel one end is with high-sulfur cargo tank, low-sulfur cargo tank respectively
Being connected, the other end is connected with fuel flow returns cylinder；Described fuel flow returns cylinder is provided with loop and is connected with sustainer；Described combustion
Oil backflow cylinder is provided with loop and is connected with fuel circulating pump, fuel heater and full flow filter successively；Described fuel Heating
It is connected between device with full flow filter and has low sulfur oil cooler；Described each oil circuit or pipeline are provided with the valve of necessity.
Described high-sulfur cargo tank and low-sulfur cargo tank are respectively arranged with one.Described transfer pump for fuel is provided with overflow valve.Described
Fuel flow returns cylinder is provided with automatic air removing valve.
This utility model one boat diesel engine double fuel oil supply system, including sustainer 1, oil supply unit 2, high-sulfur oils
Cabin 3 and low-sulfur cargo tank 4；Described main frame 1 is connected with oil supply unit 2 by oil circuit；Described high-sulfur cargo tank 3 and low-sulfur cargo tank 4
It is connected with oil supply unit 2 by oil circuit；Described oil supply unit 2 includes transfer pump for fuel 5, fuel circulating pump 6, fuel heater
7, low sulfur oil cooler 8, full flow filter 9, fuel flow returns cylinder 10, automatic air removing valve 11 and fuel feeding three-way valve 12；Described
Transfer pump for fuel 5 one end is respectively connected with high-sulfur cargo tank 3, low-sulfur cargo tank 4, and the other end is connected with fuel flow returns cylinder 10；Described
Fuel flow returns cylinder 10 is provided with loop and is connected with sustainer 1；Described fuel flow returns cylinder 10 is provided with loop and follows with fuel oil successively
Ring pump 6, fuel heater 7 are connected with full flow filter 9；Described fuel heater 7 is connected between full flow filter 9
There is low sulfur oil cooler 8；Described each oil circuit or pipeline are provided with the valve of necessity.When using low sulfur oil, need low
Sulfur oil cools down.Fuel flow returns cylinder 10 is provided with oil circuit and is directly connected with high-sulfur cargo tank 3.
Claims (3)
1. a boat diesel engine double fuel oil supply system, is characterized in that: include sustainer, oil supply unit, high-sulfur cargo tank, low
Sulfur cargo tank, described oil supply unit includes transfer pump for fuel, fuel flow returns cylinder, fuel circulating pump, fuel heater, full sulfur formula filtering
Device, connects export pipeline and the outlet of low-sulfur cargo tank of oil inlet pipe, oil inlet pipe and high-sulfur cargo tank at the oil-feed of transfer pump for fuel
Pipeline connects by the way of threeway, and installs fuel feeding three-way valve at threeway, and the fuel-displaced place of transfer pump for fuel connects flowline,
Flowline connects fuel flow returns cylinder respectively, and fuel flow returns cylinder connects sustainer, high-sulfur by the first loop, high-sulfur oil circuit respectively
Cargo tank, fuel flow returns cylinder is sequentially connected with fuel circulating pump, fuel heater, full sulfur formula cleaner by second servo loop, second time
The end on road connects sustainer.
A kind of boat diesel engine double fuel oil supply system the most according to claim 1, is characterized in that: fuel heater is with complete
Low sulfur oil cooler is installed on the second servo loop between sulfur formula cleaner.
A kind of boat diesel engine double fuel oil supply system the most according to claim 1 and 2, is characterized in that: on high-sulfur oil circuit
Automatic air outlet valve is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620407301.0U CN205779365U (en) | 2016-05-06 | 2016-05-06 | A kind of boat diesel engine double fuel oil supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620407301.0U CN205779365U (en) | 2016-05-06 | 2016-05-06 | A kind of boat diesel engine double fuel oil supply system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205779365U true CN205779365U (en) | 2016-12-07 |
Family
ID=57411443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620407301.0U Expired - Fee Related CN205779365U (en) | 2016-05-06 | 2016-05-06 | A kind of boat diesel engine double fuel oil supply system |
Country Status (1)
| Country | Link |
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| CN (1) | CN205779365U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105804900A (en) * | 2016-05-06 | 2016-07-27 | 哈尔滨工程大学 | Dual-fuel oil supply system for marine diesel engine |
| US11124714B2 (en) | 2020-02-19 | 2021-09-21 | Marathon Petroleum Company Lp | Low sulfur fuel oil blends for stability enhancement and associated methods |
| US11802257B2 (en) | 2022-01-31 | 2023-10-31 | Marathon Petroleum Company Lp | Systems and methods for reducing rendered fats pour point |
| US11860069B2 (en) | 2021-02-25 | 2024-01-02 | Marathon Petroleum Company Lp | Methods and assemblies for determining and using standardized spectral responses for calibration of spectroscopic analyzers |
| US11891581B2 (en) | 2017-09-29 | 2024-02-06 | Marathon Petroleum Company Lp | Tower bottoms coke catching device |
| US11898109B2 (en) | 2021-02-25 | 2024-02-13 | Marathon Petroleum Company Lp | Assemblies and methods for enhancing control of hydrotreating and fluid catalytic cracking (FCC) processes using spectroscopic analyzers |
| US11905468B2 (en) | 2021-02-25 | 2024-02-20 | Marathon Petroleum Company Lp | Assemblies and methods for enhancing control of fluid catalytic cracking (FCC) processes using spectroscopic analyzers |
| US11970664B2 (en) | 2023-05-08 | 2024-04-30 | Marathon Petroleum Company Lp | Methods and systems for enhancing processing of hydrocarbons in a fluid catalytic cracking unit using a renewable additive |
-
2016
- 2016-05-06 CN CN201620407301.0U patent/CN205779365U/en not_active Expired - Fee Related
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105804900A (en) * | 2016-05-06 | 2016-07-27 | 哈尔滨工程大学 | Dual-fuel oil supply system for marine diesel engine |
| US11891581B2 (en) | 2017-09-29 | 2024-02-06 | Marathon Petroleum Company Lp | Tower bottoms coke catching device |
| US11124714B2 (en) | 2020-02-19 | 2021-09-21 | Marathon Petroleum Company Lp | Low sulfur fuel oil blends for stability enhancement and associated methods |
| US11352578B2 (en) | 2020-02-19 | 2022-06-07 | Marathon Petroleum Company Lp | Low sulfur fuel oil blends for stabtility enhancement and associated methods |
| US11352577B2 (en) | 2020-02-19 | 2022-06-07 | Marathon Petroleum Company Lp | Low sulfur fuel oil blends for paraffinic resid stability and associated methods |
| US11384301B2 (en) | 2020-02-19 | 2022-07-12 | Marathon Petroleum Company Lp | Low sulfur fuel oil blends for stability enhancement and associated methods |
| US11667858B2 (en) | 2020-02-19 | 2023-06-06 | Marathon Petroleum Company Lp | Low sulfur fuel oil blends for stability enhancement and associated methods |
| US11920096B2 (en) | 2020-02-19 | 2024-03-05 | Marathon Petroleum Company Lp | Low sulfur fuel oil blends for paraffinic resid stability and associated methods |
| US11905479B2 (en) | 2020-02-19 | 2024-02-20 | Marathon Petroleum Company Lp | Low sulfur fuel oil blends for stability enhancement and associated methods |
| US11885739B2 (en) | 2021-02-25 | 2024-01-30 | Marathon Petroleum Company Lp | Methods and assemblies for determining and using standardized spectral responses for calibration of spectroscopic analyzers |
| US11898109B2 (en) | 2021-02-25 | 2024-02-13 | Marathon Petroleum Company Lp | Assemblies and methods for enhancing control of hydrotreating and fluid catalytic cracking (FCC) processes using spectroscopic analyzers |
| US11860069B2 (en) | 2021-02-25 | 2024-01-02 | Marathon Petroleum Company Lp | Methods and assemblies for determining and using standardized spectral responses for calibration of spectroscopic analyzers |
| US11905468B2 (en) | 2021-02-25 | 2024-02-20 | Marathon Petroleum Company Lp | Assemblies and methods for enhancing control of fluid catalytic cracking (FCC) processes using spectroscopic analyzers |
| US11906423B2 (en) | 2021-02-25 | 2024-02-20 | Marathon Petroleum Company Lp | Methods, assemblies, and controllers for determining and using standardized spectral responses for calibration of spectroscopic analyzers |
| US11921035B2 (en) | 2021-02-25 | 2024-03-05 | Marathon Petroleum Company Lp | Methods and assemblies for determining and using standardized spectral responses for calibration of spectroscopic analyzers |
| US11802257B2 (en) | 2022-01-31 | 2023-10-31 | Marathon Petroleum Company Lp | Systems and methods for reducing rendered fats pour point |
| US11970664B2 (en) | 2023-05-08 | 2024-04-30 | Marathon Petroleum Company Lp | Methods and systems for enhancing processing of hydrocarbons in a fluid catalytic cracking unit using a renewable additive |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161207 |