CN118551155B - System and method for calculating oil saving rate of ship after being provided with shaft generator - Google Patents
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Abstract
The invention discloses a system and a method for calculating the oil saving rate of a ship after a shaft generator is installed, which relate to the technical field of oil saving rate calculation and comprise a central processing module, wherein the central processing module is used for controlling each module, the output end of the central processing module is electrically connected with a data acquisition module, the data acquisition module is used for acquiring operation data of the host and the generator under Ballast and Loaded working conditions respectively, the power data acquisition unit is used for acquiring common power data of the host and the generator under Ballast and Loaded working conditions, and the network power data acquisition unit is used for network power data of the original ship generator under Ballast and Loaded working conditions. The system and the method for calculating the oil saving rate of the ship after the shaft generator is installed can calculate the oil saving rate of the oil after the shaft generator is installed on the operating ship, and provide theoretical calculation basis for judging the reconstruction feasibility.
Description
Technical Field
The invention relates to the technical field of oil saving rate calculation, in particular to an oil saving rate calculation system and an oil saving rate calculation method after a ship is provided with a shaft generator.
Background
The CII index represents the CO 2 emission of the ship under the annual unit sailing distance and cargo capacity of the ship, takes effect formally in 2023 and can take a situation of tightening year by year, and the index can accelerate the global fleet, especially the operating fleet, to upgrade and transform, and saves the ship oil consumption and carbon emission by utilizing various energy efficiency technologies.
The ship shaft generator directly utilizes the rotation power of the main shaft to generate electric energy through a shaft system connected with the ship main shaft. This means that no additional fuel consumption is required while generating electricity. Compared with the traditional independent generator, the shaft generator utilizes surplus power of the main engine, so that energy loss in the power generation process is avoided, the energy utilization efficiency is improved, the oil saving effect is realized, the operation cost of the ship is reduced, and the CII index is improved.
For the operation ship with the shaft generator to be refitted, how to accurately and simply evaluate the oil saving effect after the shaft generator is refitted, so that the evaluation of the return on investment becomes an important work, and the existing calculation method cannot accurately and rapidly calculate the oil saving rate of the operation ship after the shaft generator is installed.
Therefore, the invention provides a system and a method for calculating the oil saving rate of the ship after the shaft generator is installed.
Disclosure of Invention
The invention aims to provide a system and a method for calculating the oil saving rate of a ship after being provided with a shaft generator, so as to solve the problems in the background art.
In order to achieve the above purpose, the present invention provides the following technical solutions:
The utility model provides a calculate oil saving rate system behind boats and ships installation axle area generator, includes central processing module, central processing module is used for controlling each module, and central processing module's output electric connection has data acquisition module, data acquisition module is used for the collection of the operation data of host computer and generator under Ballast and Loaded operating mode respectively, wherein, be provided with oil consumption data acquisition unit, power data acquisition unit and in net power data acquisition unit in the data acquisition module, oil consumption data under Ballast and Loaded operating mode respectively are used for gathering host computer and generator, power data acquisition unit is used for gathering the power data that is used for host computer and generator under Ballast and Loaded operating mode commonly used for power data under Ballast and Loaded operating mode of former boat generator, data acquisition module's output electric connection has data calculation module, wherein, be provided with annual oil saving calculation unit and oil saving rate calculation unit in the data calculation module.
Further, a central processing unit, a data docking unit and a data storage unit are arranged in the central processing module, wherein the central processing unit is based on an I5 processor, the central processing unit is electrically connected with the data docking unit and the data storage unit respectively and used for analyzing and processing each module unit, the data docking unit is used for docking the data acquired by the data acquisition module, and the data storage unit is used for storing the data information docked by the data docking unit.
Further, the operation data collected in the data collection module includes, but is not limited to, fuel consumption data of the host and the generator under Ballast and Loaded working conditions respectively; common power data of the host and the generator under Ballast and Loaded working conditions; on-grid power data of the original ship generator under Ballast and Loaded working conditions.
Further, the annual oil saving amount calculation unit is used for calculating annual oil saving amount according to the statistical data, and the oil saving rate calculation unit is used for calculating oil saving rate according to the statistical data.
The method for calculating the oil saving rate of the ship after the shaft generator is installed comprises the following specific steps:
S1, collecting data: firstly, acquiring oil consumption data under the working condition of a host Ballast through an oil consumption data acquisition unit in a data acquisition module, wherein the oil consumption data is F 1; collecting oil consumption data of the generator Ballast under the working condition, wherein the oil consumption data is F 2; collecting oil consumption data of a host under a Loaded working condition, wherein the oil consumption data is F 3; collecting oil consumption data of a generator under Loaded working conditions, wherein the oil consumption data is F 4;
S2, collecting common power collection of working conditions of a host computer Ballast through a power data collection unit in a data collection module, wherein the common power collection is counted as P 1, and then the oil consumption per unit hour is H 1=F1/P1/24;
S3, collecting common power collection of a main engine Loaded working condition by a power data collection unit in a data collection module, wherein the common power collection is counted as P 3, and the oil consumption per unit hour is H 3=F3/P3/24;
S4, acquiring the on-grid power of the original ship generator under Ballast and Loaded working conditions through an on-grid power data acquisition unit in a data acquisition module, wherein the on-grid power is calculated as G 1;
S5, calculating the weight of the operation days of the ship through a data calculation module, wherein the weight is calculated as T 1 under Ballast working conditions, and is calculated as T 2 under Loaded working conditions;
S6, calculating annual oil saving amount: n 1=C1×T1+ C2×T2×G1;
S7, acquiring the annual reference consumption of the original ship, wherein the annual reference consumption is counted as N 2;
and S8, calculating the oil saving rate, wherein J=N 1/N2.
Further, in the step S1, the fuel consumption data collected by the fuel consumption data collection unit may be, but not limited to, fuel consumption records of the ship, ship operation reports, and bench test data.
Furthermore, in the step S4, the on-grid power of the original ship generator under the working conditions of Ballast and Loaded may also be calculated and estimated according to the load.
The invention provides a system and a method for calculating the oil saving rate of a ship after a shaft generator is installed, which have the following beneficial effects: the invention can calculate the fuel oil saving rate after the installation of the shaft with the generator of the operating ship, provides theoretical calculation basis for judging the reconstruction feasibility, can rapidly calculate and calculate the weight of the operation days of the ship, the annual oil saving amount, the annual reference consumption acquisition of the original ship and finally accurately calculate the fuel oil saving rate, has clear calculation steps, has more accurate data, is more convenient and faster, and provides reliable fuel oil saving data.
According to the invention, the oil consumption data of the host and the generator under Ballast and Loaded working conditions are acquired through the oil consumption data acquisition unit, the power data acquisition unit is used for acquiring the common power data of the host and the generator under Ballast and Loaded working conditions, and the network power data of the original ship generator under Ballast and Loaded working conditions are acquired through the network power data acquisition unit.
Drawings
FIG. 1 is a schematic flow chart of a fuel saving rate system after a ship is provided with a shaft generator;
FIG. 2 is a flow chart of a method for calculating the oil saving rate of a ship with a generator installed on the shaft.
In the figure: 1. a central processing module; 101. a central processing unit; 102. a data docking unit; 103. a data storage unit; 2. a data acquisition module; 201. the oil consumption data acquisition unit; 202. a power data acquisition unit; 203. the network power data acquisition unit; 3. a data calculation module; 301. annual fuel saving amount calculating unit; 302. and a fuel saving rate calculating unit.
Description of the embodiments
Embodiments of the present invention are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the invention but are not intended to limit the scope of the invention.
As shown in fig. 1-2, in the oil saving rate system after a ship is installed and the shaft is provided with a generator, a central processing module 1, the central processing module 1 is used for controlling each module, the output end of the central processing module 1 is electrically connected with a data acquisition module 2, the data acquisition module 2 is used for acquiring operation data of a host and the generator under Ballast and Loaded working conditions respectively, wherein the data acquisition module 2 is provided with an oil consumption data acquisition unit 201, a power data acquisition unit 202 and a network power data acquisition unit 203, the oil consumption data acquisition unit 201 is used for acquiring oil consumption data of the host and the generator under Ballast and Loaded working conditions respectively, the power data acquisition unit 202 is used for acquiring common power data of the host and the generator under Ballast and Loaded working conditions, the network power data acquisition unit 203 is used for acquiring network power data of the original ship generator under Ballast and Loaded working conditions respectively, and the output end of the data acquisition module 2 is electrically connected with a data calculation module 3, and the data calculation module 3 is provided with an annual oil saving calculation unit 301 and an oil saving rate calculation unit 302.
The central processing module 1 is provided with a central processor 101, a data docking unit 102 and a data storage unit 103, wherein the central processor 101 is based on an I5 processor, the central processor 101 is electrically connected with the data docking unit 102 and the data storage unit 103 respectively for analyzing and processing each module unit, the data docking unit 102 is used for docking data acquired by the data acquisition module 2, and the data storage unit 103 is used for storing data information docked by the data docking unit 102.
The operation data collected in the data collection module 2 include, but are not limited to, fuel consumption data of the host and the generator under Ballast and Loaded working conditions respectively; common power data of the host and the generator under Ballast and Loaded working conditions; on-grid power data of the original ship generator under Ballast and Loaded working conditions.
The annual oil saving amount calculation unit 301 is for calculating an annual oil saving amount from the statistical data, and the oil saving rate calculation unit 302 is for calculating an oil saving rate from the statistical data.
The method for calculating the oil saving rate of the ship after the shaft generator is installed comprises the following specific steps:
S1, collecting data: firstly, acquiring oil consumption data under the working condition of a host Ballast through an oil consumption data acquisition unit 201 in a data acquisition module 2, wherein the oil consumption data is F 1; collecting oil consumption data of the generator Ballast under the working condition, wherein the oil consumption data is F 2; collecting oil consumption data of a host under a Loaded working condition, wherein the oil consumption data is F 3; collecting oil consumption data of a generator under Loaded working conditions, wherein the oil consumption data is F 4;
S2, collecting common power collection of working conditions of a host computer Ballast through a power data collection unit 202 in a data collection module 2, wherein the common power collection is counted as P 1, and then the oil consumption per unit hour is H 1=F1/P1/24;
S3, collecting the common power collection of the Loaded working condition of the host machine by the power data collection unit 202 in the data collection module 2, wherein the common power collection is counted as P 3, and the oil consumption per unit hour is H 3=F3/P3/24;
S4, acquiring the on-grid power of the original ship generator under Ballast and Loaded working conditions through an on-grid power data acquisition unit 203 in the data acquisition module 2, wherein the on-grid power is calculated as G 1;
S5, calculating the weight of the operation days of the ship through the data calculation module 3, wherein the weight is calculated as T 1 under Ballast working conditions, and is calculated as T 2 under Loaded working conditions;
S6, calculating annual oil saving amount: n 1=C1×T1+ C2×T2×G1;
S7, acquiring the annual reference consumption of the original ship, wherein the annual reference consumption is counted as N 2;
and S8, calculating the oil saving rate, wherein J=N 1/N2.
In step S1, the fuel consumption data collected by the fuel consumption data collection unit 201 may also be from, but not limited to, fuel consumption records of the ship, ship operation reports, and bench test data.
In the step S4, the on-grid power of the original ship generator under the working conditions of Ballast and Loaded is acquired, and the on-grid power can be estimated according to load calculation.
In summary, as shown in fig. 1-2, the working principle of the oil saving rate system and the method for calculating the oil saving rate after the ship is provided with the shaft generator is as follows: firstly, acquiring oil consumption data under the working condition of a host Ballast through an oil consumption data acquisition unit 201 in a data acquisition module 2, wherein the oil consumption data is F 1; collecting oil consumption data of the generator Ballast under the working condition, wherein the oil consumption data is F 2; collecting oil consumption data of a host under a Loaded working condition, wherein the oil consumption data is F 3; collecting oil consumption data of a generator under Loaded working conditions, wherein the oil consumption data is F 4; the fuel consumption data collected by the fuel consumption data collection unit 201 may also be from, but not limited to, fuel consumption records of the ship, ship operation reports, and bench test data;
The power data acquisition unit 202 in the data acquisition module 2 is used for acquiring common power of the working condition of the host computer Ballast, wherein the common power is counted as P 1, the oil consumption per unit hour is H 1=F1/P1/24, the common power of the working condition of the generator Ballast is counted as P 2, the oil consumption per unit hour is H 2=F2/P2/24, and the unit oil consumption difference between the host computer and the generator is C 1=H1-H2 under the working condition of Ballast;
The method comprises the steps of collecting common power collection of a host Loaded working condition by a power data collection unit 202 in a data collection module 2, wherein the common power collection is counted as P 3, and then the oil consumption per unit hour is H 3=F3/P3/24;
The online power of the original ship generator is acquired under the working conditions of Ballast and Loaded through an online power data acquisition unit 203 in the data acquisition module 2, and the online power is counted as G 1; the network power of the original ship generator under Ballast and Loaded working conditions is collected, and the network power can be calculated and estimated according to the load;
Calculating the weight of the operation days of the ship through the data calculation module 3, wherein the weight is calculated as T 1 under Ballast working conditions, and is calculated as T 2 under Loaded working conditions;
Annual oil saving calculation: n 1=C1×T1+ C2×T2×G1; the annual reference consumption of the original ship is collected and counted as N 2;
And calculating the oil saving rate, wherein J=N 1/N2.
The embodiments of the invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (2)
1. The method for calculating the oil saving rate of the ship after the shaft generator is installed is characterized by comprising the following specific steps of:
S1, collecting data: firstly, acquiring oil consumption data under a host ballast working condition through an oil consumption data acquisition unit (201) in a data acquisition module (2), wherein the oil consumption data is F 1; collecting oil consumption data of the generator under a ballasting working condition, wherein the oil consumption data is F 2; collecting oil consumption data of a main engine under a full-load working condition, wherein the oil consumption data is F 3; collecting oil consumption data of the generator under the full-load working condition, wherein the oil consumption data is F 4;
S2, collecting common power collection of a main machine ballast working condition through a power data collection unit (202) in a data collection module (2), wherein the common power collection is counted as P 1, and the oil consumption per unit hour is H 1=F1/P1/24, the common power collection of a generator ballast working condition is counted as P 2, and the oil consumption per unit hour is H 2=F2/P2/24;
s3, collecting common power collection of full-load working conditions of a main machine through a power data collection unit (202) in a data collection module (2), wherein the common power collection is counted as P 3, and the oil consumption per unit hour is H 3=F3/P3/24;
S4, collecting the on-grid power of the original ship generator under the ballasting and full-load working conditions through an on-grid power data collecting unit (203) in the data collecting module (2), wherein the on-grid power is counted as G 1;
S5, calculating the weight of the operation days of the ship through the data calculation module (3), wherein the weight is calculated as T 1 under the ballasting working condition, and is calculated as T 2 under the full-load working condition;
s6, calculating annual oil saving amount: n 1=（C1×T1+ C2×T2）×G1;
S7, acquiring the annual reference consumption of the original ship, wherein the annual reference consumption is counted as N 2;
and S8, calculating the oil saving rate, wherein J=N 1/N2.
2. A system for applying the method for calculating the oil saving rate after the ship is installed with the generator according to claim 1, comprising a central processing module (1), and is characterized in that the central processing module (1) is used for controlling each module, the output end of the central processing module (1) is electrically connected with a data acquisition module (2), the data acquisition module (2) is used for acquiring operation data of the main engine and the generator under the ballasting and full load working conditions respectively, a fuel consumption data acquisition unit (201), a power data acquisition unit (202) and a network power data acquisition unit (203) are arranged in the data acquisition module (2), the fuel consumption data acquisition unit (201) is used for acquiring fuel consumption data of the main engine and the generator under the ballasting and full load working conditions respectively, the power data acquisition unit (202) is used for acquiring common power data of the main engine and the generator under the ballasting and full load working conditions, the network power data acquisition unit (203) is used for acquiring network power data of the original ship generator under the ballasting and full load working conditions respectively, the output end of the data acquisition module (2) is electrically connected with a data calculation module (3), the data calculation module (3) is arranged in the data calculation unit (103), the data calculation unit (103) is arranged in the central processing unit (101) and the data calculation unit (103), the central processing unit (101) is based on an I5 processor, the central processing unit (101) is electrically connected with the data docking unit (102) and the data storage unit (103) respectively and is used for analyzing and processing each module unit, the data docking unit (102) is used for docking data acquired by the data acquisition module (2), the data storage unit (103) is used for storing data information docked by the data docking unit (102), and operation data acquired by the data acquisition module (2) are oil consumption data of a host and a generator under ballast and full load working conditions respectively; common power data of the main machine and the generator under ballasting and full-load working conditions; the system comprises an annual oil saving amount calculation unit (301) and an oil saving rate calculation unit (302), wherein the annual oil saving amount calculation unit is used for calculating annual oil saving amount according to statistical data, and the oil saving rate calculation unit (302) is used for calculating oil saving rate according to the statistical data.
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| CN115912499A (en) * | 2022-10-31 | 2023-04-04 | 中国船舶科学研究中心 | Mode control method of ship hybrid power system based on energy-saving design |
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| 重新评价低速机主机轴带发电机(定距桨系统)的节能及经济性;崔存纲;中国造船;19861231(04);第65-75页 * |
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