CN106779266B - Crude oil ocean transportation scheme graphical compilation method and system - Google Patents
Crude oil ocean transportation scheme graphical compilation method and system Download PDFInfo
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Abstract
The invention relates to a graphical compilation method and a graphical compilation system for a crude oil ocean transportation scheme, wherein the method comprises the following steps: loading initial demand data and market resource data, and displaying the initial demand data in a preset coordinate; selecting data of the oil product to be assembled at present, and screening the market resource data; selecting an assembled oil product which can be transported with the current oil product to be assembled in a ship; completely supplementing the data of the assembled oil product corresponding to the initial demand data; forming a ship splicing scheme and checking the ship splicing scheme; calibrating the oil products which form the ship splicing scheme in the coordinates; and judging whether the initial demand data contains oil products which are not spliced or not, if so, returning to the step S2, otherwise, checking all splicing schemes and exporting the ship splicing schemes which are reasonably checked. The invention displays data in a graphical mode, avoids huge workload of comparing and screening data by data, solves the problem of considering constraint of various limiting conditions, and improves timeliness and economy of compiling an ocean transportation scheme.
Description
Technical Field
The invention relates to the technical field of ocean vessel logistics management, in particular to a graphical compiling method and a graphical compiling system for a crude oil ocean transportation scheme.
Background
China has developed ocean transportation of crude oil into a conglomerated alliance operation mode. Each refinery plant reports the oil refining requirement to a group company according to months, and the group company designates a subordinate crude oil trading company to uniformly organize and purchase and compile a multi-ship alliance ocean transportation plan to transport the oil source to the country. The ocean transportation cost of imported crude oil can be effectively saved by assembling small batches of oil products into a large ship for collection, transportation and distribution.
Successful operation of ocean transport of crude oils relies on an economically efficient ocean transport scheme. A better ocean transportation scheme for crude oil should firstly satisfy all the constraints and secondly ensure that the total cost of the transportation scheme is as low as possible. Common criteria for judging the economics of a transportation scheme include: the voyage between loading ports of various batches of oil products assembled on the same ship is shorter, and the voyage between unloading ports is also shorter; the oil tanker has short oil loading waiting time at each loading port; the arrival time of all oil tankers discharged from the port is uniform, and the phenomenon of 'port accumulation' of a plurality of ships is avoided.
Large tankers tend to be expensive, for example, VLCC tankers costing about $ 4 thousand for a day and about $ 3 thousand for a day of stagnation. VLCC billing tonnage is 26 ten thousand tons, and when the cargo capacity of the ship is less than 26 ten thousand tons, the billing is still carried out according to 26 ten thousand tons. In the oil assembling and distribution process, if the journey between loading ports is far, or the journey between unloading ports is far, serious loss of the unloaded cost can be caused. If the waiting time of the tanker at loading port is too long due to loading period or the waiting time of the tanker at unloading port is too long due to simultaneous arrival of a plurality of ships, serious delay cost loss is caused.
When a transportation scheme is manually compiled and checked at present, data tables are usually used for carrying out comparison analysis on data one by one, huge and complicated imported crude oil transportation data are often influenced mutually, the conditions that flight optimization is met but time optimization is difficult to take into account, time optimization is met but certain limiting conditions are violated and the like are contradictory are often caused, and finally the timeliness and the economy of scheme formulation are seriously reduced.
Disclosure of Invention
The invention provides a graphical compilation method and a graphical compilation system for an ocean transportation scheme of crude oil, which display data in a graphical mode, avoid huge workload of comparing and screening data by data, solve the difficulty of considering constraint of various limiting conditions and improve timeliness and economy of compilation of the ocean transportation scheme.
In accordance with the above object, the present invention provides a method for graphically compiling a crude oil ocean transportation scheme, which is characterized in that the method comprises:
s1, loading initial demand data and market resource data from a preset database, and displaying the initial demand data in preset coordinates;
s2, selecting data of the oil product to be assembled currently from the unassembled oil product of the initial demand data;
s3, screening the market resource data according to the data of the oil product to be assembled currently;
s4, selecting spliced oil products which can be transported together with the current oil products to be spliced by a ship from the screened market resource data;
s5, according to the data of the assembled oil product in the market resource data, completely supplementing the data of the assembled oil product corresponding to the initial demand data;
s6, in the coordinates, forming a ship splicing scheme according to the data of the current oil product to be spliced and the spliced oil product in the initial demand data;
s7, checking the ship splicing scheme according to the current oil product to be spliced and the spatial distribution of the spliced oil product in the initial demand data;
s8, oil products in the ship splicing scheme with reasonable verification are calibrated;
and S9, judging whether the initial demand data contains unassembled oil products, if so, returning to execute the step S2, and if not, executing the next step.
And S10, checking all ship splicing schemes formed in the coordinates, and exporting the ship splicing schemes with reasonable checking.
In the preset coordinates, the abscissa is the oil product limit/actual arrival deadline, and the ordinate is the unloading port;
displaying the initial demand data in a preset coordinate, specifically comprising:
marking in the preset coordinates according to the unloading port and oil product limit/actual arrival deadline of each oil product in the initial demand data;
and setting an oil label for each oil product marked in the coordinates, wherein the oil label comprises the data of the oil product, and the data in the oil label comprises the serial number, the supply enterprise, the oil product name, the oil product quantity and the assembly state of the oil product.
Wherein, the step S3 specifically includes:
setting a selection range of the oil products which can be transported with the oil products to be assembled in a ship according to the data of the oil products to be assembled currently;
and screening the market resource data according to the selection range.
Wherein, can with the oil of waiting to assemble oil piece present piece together the selective range of ship transportation, specifically include: the range of the harbor unloading voyage, the range of the harbor unloading period, the range of the harbor loading voyage, the range of the loading period and the range of the quantity of oil products.
In step S7, the checking the ship splicing scheme according to the spatial distribution of the current oil product to be spliced and the spliced oil product in the initial demand data specifically includes:
and in the coordinates, checking whether the port unloading voyage, the unloading lag phase and the arrival time of the oil products to be assembled and the assembled oil products in the assembling scheme meet preset requirements or not according to the spatial distance between the oil products to be assembled and the assembled oil products in the initial data.
Wherein the step S7 further includes:
when the checking ship-splicing scheme is not reasonable, the ship-splicing scheme is disassembled and the step S2 is returned to.
The step S8 specifically includes:
and setting the display color of the oil product which forms the ship splicing scheme into a color different from the display color of the oil product which is not spliced in the coordinates for calibration, and connecting the oil product spliced on the same ship through lines.
According to another aspect of the invention, a graphical compilation system for a crude oil ocean transportation scheme is provided, which is characterized by comprising:
the data loading unit is used for loading initial demand data and market resource data from a preset database;
the display unit is used for displaying preset coordinates, and the preset coordinates comprise the initial demand data;
the market resource data screening unit is used for screening the current oil product to be assembled from the initial demand data and screening the market resource data according to the data of the current oil product to be assembled;
the assembled oil product selecting unit is used for selecting the assembled oil product which can be transported with the current oil product to be assembled in a ship from the screened market resource data;
the initial demand data supplement unit is used for completely supplementing the data of the assembled oil product corresponding to the initial demand data according to the data of the assembled oil product in the market resource data;
the ship splicing scheme forming unit is used for forming a ship splicing scheme according to the data of the current oil product to be spliced and the spliced oil product in the initial demand data;
the color marking unit is used for setting the display color of the oil product which forms the ship splicing scheme into a color different from the display color of the oil product which is not spliced in the coordinates;
the unassembled oil product checking unit is used for judging whether unassembled oil products exist in the initial demand data or not, and if yes, the market resource data screening unit is informed;
and the checking and exporting unit is used for checking the formed ship splicing scheme according to the spatial distribution of the oil products in the ship splicing scheme in the coordinates and exporting the ship splicing scheme with reasonable checking after all the oil products are spliced.
The system also comprises a disassembling unit used for disassembling the unreasonable assembly scheme when the assembly scheme formed by the checking and the exporting unit is unreasonable.
According to the graphical compilation method and the graphical compilation system for the crude oil ocean transportation scheme, the initial requirements and the scheme for crude oil ocean transportation are displayed to business personnel in a graphical mode, so that the business personnel can compile the crude oil transportation scheme in the visible and available places, the huge workload of comparing and screening the data one by one of a plurality of business personnel is avoided, the difficulty of considering various restriction condition constraints is solved, and the timeliness and the economy of compilation of the ocean transportation scheme are improved.
Drawings
The features and advantages of the present invention will be more clearly understood by reference to the accompanying drawings, which are illustrative and not to be construed as limiting the invention in any way, and in which:
FIG. 1 shows a graphical organization method of an ocean transportation scheme for crude oil according to the invention.
Fig. 2 shows a block diagram of the structure of the crude oil ocean transportation scheme graphical compiling system of the invention.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
FIG. 1 illustrates a crude oil ocean transportation scenario compilation process of the present invention.
Referring to fig. 1, the graphical compiling method of the ocean transportation scheme of crude oil of the invention specifically comprises the following steps:
s1, loading initial demand data and market resource data from a preset database, and displaying the initial demand data in preset coordinates;
in this embodiment, the abscissa of the preset coordinates is set as the oil product limit/actual arrival deadline, and is sequentially arranged from left to right, and the ordinate is set as the unloading port and is arranged from top to bottom according to the geographical position.
Further, according to the unloading port and oil product limit/actual arrival deadline of each oil product in the initial demand data, marking is carried out in the coordinates, in one embodiment, for example, marking can be carried out by line segments, for an oil product, a vertical line is arranged to represent the limit arrival date of the oil product, and a horizontal line is arranged to represent the time required by the oil product to be unloaded; in addition, the assembled oil product and the unassembled oil product can be distinguished by using different colors; different shapes can also be used to calibrate the fit.
In addition, an oil label is set in the coordinates for each oil, the oil label includes data of the oil, and if the type of the oil label can be set as: "oil number-supplier-oil name-oil quantity", other types of oil labels may also be set, and are not specifically limited herein.
In addition, when an oil product is divided into a plurality of parts to be respectively assembled in different ship assembling schemes, the assembling condition of the oil product can be visually observed by setting icons or adding the assembling condition into labels to be displayed in coordinates.
S2, selecting data of the oil product to be assembled currently from the unassembled oil product of the initial demand data;
in this embodiment, when selecting the oil product data to be assembled, the assembling sequence can be selected according to the principle that the time is from small to large and the unloading port is from south to north in the unassembled oil product of the initial demand data, and then the current oil product to be assembled is selected.
S3, screening the market resource data according to the data of the oil product to be assembled currently;
specifically, according to the data of the oil product to be assembled currently, setting a selection range of the oil product which can be transported by ship assembly with the oil product to be assembled currently;
and screening the market resource data according to the selection range.
In the above embodiments, the selection range specifically includes: the range of the port unloading voyage, the range of the unloading period, the range of the port loading voyage, the range of the loading period, the range of the quantity of oil products and the like, and in addition, the selection range can be actually set according to the actual situation.
In the above embodiment, the range of the unloading port voyage refers to the voyage distance limit between the unloading ports, unit: km;
the unloading period range refers to the actual arrival period of the oil product and the time limit for limiting the arrival period, unit: day;
the range of a loading port voyage refers to the voyage distance limit between loading ports, and the unit is: km;
the loading range refers to the time limit of actual loading and limited loading of the oil product, and the unit is as follows: and (5) day.
The oil quantity range refers to the lower limit difference, the oil quantity value and the upper limit difference of the oil quantity, and the unit is as follows: ton; because the charging tonnage of the VLCC type ship is 26 ten thousand tons, and the 26 ten thousand tons are still charged when the cargo capacity of the ship is less than 26 ten thousand tons, the total quantity of the spliced oil products is slightly floated within the range of about 26 ten thousand tons as much as possible in the process of splicing the ship due to economic consideration.
S4, selecting spliced oil products which can be transported together with the current oil products to be spliced by a ship from the screened market resource data;
the screened market resource data not only greatly reduces the data volume, but also strictly meets all the constraint conditions. And if the screened data can not meet the requirement, the data screening can be carried out again.
S5, according to the data of the assembled oil product in the market resource data, completely supplementing the data of the assembled oil product corresponding to the initial demand data;
in one embodiment, the data to be supplemented is mainly "arrival time at port" and "designated ship-to-ship", but is not limited thereto.
Wherein, the 'arrival time at the port of discharge' is automatically calculated by a system when data screening is carried out by market resources, and the 'arrival time at the port of discharge' is copied to a corresponding position of an initial demand; "designated ship-pieced" refers to the code of two or more oils that can be transported in a ship by the same ship number, for example, two oils are numbered 1.1 and 1.2 in "designated ship-pieced" respectively, which means that the two oils are transported by the same ship.
S6, in the coordinates, forming a ship splicing scheme according to the data of the current oil product to be spliced and the spliced oil product in the initial demand data;
s7, checking the ship splicing scheme according to the current oil product to be spliced and the spatial distribution of the spliced oil product in the initial demand data;
specifically, in one embodiment, the checking of the pieced-together oil products mainly depends on the spatial distribution of the graphs on a scheme graph display interface, for example, if the ship-piecing scheme is checked, after the planned oil products on the ship in the graphs are connected, the vertical distance is longer, which indicates that the voyage between the ports is farther, and the loss is larger when the ship-piecing scheme is not fully loaded; a longer left-right distance indicates that the ship is bound to wait for oil discharge, and the lag phase loss is higher. When the arrival date is checked, after the required oil product is correspondingly connected with the planned oil product, if the left distance and the right distance are longer, the actual arrival period of the oil product is too early or too late, the lag loss is large or the production stop of a refinery is possibly caused.
In addition, in this embodiment, when the checking and assembling scheme is not reasonable, the assembling scheme is disassembled and the process returns to step S2. At this point, the disassembled oil type continues to be displayed in the coordinates as unassembled oil.
S8, oil products in the ship splicing scheme with reasonable verification are calibrated;
specifically, in one embodiment, the display color of the oil product that has formed the ship-assembling scheme is set to be different from the display color of the oil product that has not been assembled in the coordinates for calibration, and in addition, the oil product may also be calibrated by using a different shape, or calibrated by using a label, which is not specifically limited herein.
In addition, the spliced oil products can be connected through lines, for example, only dotted lines or solid lines and other lines can be used, so that the oil products in the same ship splicing scheme can be conveniently searched in coordinates.
And S9, judging whether the initial demand data contains unassembled oil products, if so, returning to execute the step S2, and if not, executing the next step.
And S10, checking all ship splicing schemes formed in the coordinates, and exporting the ship splicing schemes with reasonable checking.
In this embodiment, after all the oil products in the initial demand data are assembled, whether the overall ship assembling scheme is reasonable is checked again, and the reasonable ship assembling scheme is derived.
Fig. 2 shows a block diagram of the structure of the crude oil ocean transportation scheme graphical compiling system of the invention.
Referring to fig. 2, the graphical compilation system of the ocean transportation scheme of crude oil in another embodiment of the invention specifically comprises:
a data loading unit 10, configured to load initial demand data and market resource data from a preset database;
the display unit 20 is configured to display a preset coordinate, where the preset coordinate includes the initial requirement data; in addition, the display unit is also used for displaying ship splicing schemes, such as formed ship splicing schemes, spliced oil products, unassembled oil products and the like.
The market resource data screening unit 30 is used for screening the current oil product to be assembled from the initial demand data and screening the market resource data according to the data of the current oil product to be assembled;
the assembled oil product selecting unit 40 is used for selecting the assembled oil product which can be transported with the current oil product to be assembled in a ship from the screened market resource data;
the initial demand data supplement unit 50 is used for completely supplementing the data of the assembled oil product corresponding to the initial demand data according to the data of the assembled oil product in the market resource data;
a ship splicing scheme forming unit 60, configured to form a ship splicing scheme according to data of the current oil product to be spliced and the spliced oil product in the initial demand data;
a color marking unit 70 for setting the display color of the oil product formed into the ship-piecing scheme to a color different from the display color of the oil product not pieced together in the coordinates;
an unassembled oil product inspection unit 80, configured to determine whether an unassembled oil product exists in the initial demand data, and if yes, notify the market resource data screening unit;
and the checking and exporting unit 90 is used for checking the formed ship splicing scheme according to the spatial distribution of the oil products in the ship splicing scheme in the coordinates, and exporting the ship splicing scheme with reasonable checking after all the oil products are spliced.
In addition, the system also comprises a disassembling unit used for disassembling the assembly scheme when the checking and exporting unit checks that the assembly scheme is not reasonable.
Based on the crude oil ocean transportation scheme compiling system, the data is imaged, so that business personnel can compile the crude oil transportation scheme in a place where the business personnel can see and obtain, the huge workload of comparing and screening the data one by a plurality of business personnel is avoided, the difficulty of considering various restriction condition constraints is solved, and the timeliness and the economy of compiling the ocean transportation scheme are improved.
In order to better understand the present invention, the following examples are further provided to illustrate the content of the present invention, but the present invention is not limited to the following examples.
A certain group company collects the monthly initial requirements of oil sources and market resources which can be purchased in the market and are reported by subordinate refineries in each month, the monthly initial requirements and the market resources are arranged by service personnel and then drawn into an initial requirement data sheet and a market resource data sheet, a form model and a data format need to be filled in according to a template and cannot be randomly modified, and the initial requirements and the market resources in a certain month in a certain year are shown in the data sheet:
TABLE 1 initial demand data sheet
| ID | Planning month | Purchasing area | Oil numbering | Oil name | Loading port | Number of oil products | Receiving port | Provisioning enterprise | Limit the arrival date |
| 1 | 2014-11 | ZD | 1.0 | Oil product 1 | Port 1 | 13 | Receiving port 1 | Enterprise 1 | 2014/11/5 |
| 2 | 2014-11 | ZD | 2.0 | Oil product 1 | Port 1 | 26 | Receiving port 2 | Enterprise 2 | 2014/11/8 |
| 3 | 2014-11 | ZD | 3.0 | Oil product 1 | Port 1 | 13 | Reception Port 3 | Enterprise 3 | 2014/11/11 |
| 4 | 2014-11 | ZD | 4.0 | Oil product 1 | Port 1 | 13 | Receiving port 4 | Enterprise 4 | 2014/11/12 |
| 5 | 2014-11 | ZD | 5.0 | Oil 2 | Harbor 2 | 26 | Reception Port 3 | Enterprise 1 | 2014/11/15 |
| 6 | 2014-11 | ZD | 6.0 | Oil 2 | Harbor 2 | 13 | Receiving port 5 | Enterprise 5 | 2014/11/20 |
| 7 | 2014-11 | ZD | 7.0 | Oil 2 | Harbor 2 | 7 | Receiving port 1 | |
2014/11/20 |
| 8 | 2014-11 | ZD | 8.0 | Oil product 3 | Harbor 3 | 9 | Receiving port 2 | Enterprise 7 | 2014/11/24 |
| 9 | 2014-11 | ZD | 9.0 | Oil product 3 | Harbor 3 | 13 | Port of reception 2 | Enterprise 8 | 2014/11/1 |
| 10 | 2014-11 | ZD | 10.0 | Oil product 3 | Harbor 3 | 18 | |
Enterprise 9 | 2014/11/2 |
| … | … | … | … | … | … | … | … | … | … |
| 67 | 2014-11 | ZD | 67.0 | Oil product n | N port of shipment | 8.5 | Receiving port n | Enterprise n | 2014/11/5 |
TABLE 2 market resources data sheet
As can be seen from tables 1 and 2, the ID is a primary key of each data and is not repeatable; planning months to compile planning months; the oil product number refers to manual coding of the oil product, and is in a form of one decimal and can not be repeated; the loading port can be automatically extracted from the system without filling in the form.
And (3) carrying out transportation scheme compilation work according to the steps, taking the first data in the initial requirement as an example:
1) the initial demand data for the month and the market resource data for the month are loaded into the system from the database, at which time the initial demand data is graphically displayed in the display unit.
2) And selecting the No. 9.0 oil product as the current oil product to be assembled according to the oil product assembling sequence from left to right and from bottom to top by utilizing a graphic scheme.
3) Selecting No. 9.0 oil products in market resource data, and performing data filtering in data screening:
as can be known in the coordinate, the oil products near the No. 9.0 oil product are denser, so that smaller data can be selected in the unloading voyage range; 300km is selected in the implementation, and oil product data within 300km of the unloading port voyage distance of oil product No. 9.0 is screened out.
Setting the actual unloading time not to exceed 5 days, so the unloading period range can be set to be an integral number of days from 0 to 10; if 5 days are selected, oil data with arrival time of 2014/11/1 within 5 days, namely 2014/10/27-2014/11/6, is screened.
Because the route distance between the harbors in the ZD region is generally within 2000km (except for the harbors sailing due to politics, the depth of water of the harbors and the like, the distance between the harbors is set to be a large value in the database, and the data can be filtered out during data screening), the data within 2000km can be selected in the range of the harbor sailing route; if the loading port voyage range can be 500km, oil product data with the loading port voyage distance within 500km from 9.0 oil products is screened out.
The number of the oil products is 13 ten thousand tons because the number of the oil products of No. 9.0 is 13 ten thousand tons, and the number range of the oil products can be set to be about 13 tons in order to meet the maximum loading of 26 ten thousand tons, and the oil product data of which the number is within the range of 13 +/-2 is screened out.
4) Only 1 piece of data of No. 15.0 oil product is finally screened from market resource data to meet the requirements, and the distance between loading and unloading of the two oil products is short according to experience, the quantity of the No. 15.0 oil product is 13 ten thousand tons, and the 15.0 oil product and the 13 ten thousand tons of the No. 9.0 oil product are just spliced into 26 ten thousand tons, so that the No. 9.0 oil product and the No. 15 oil product can be spliced and transported.
5) After date screening, the market resource data can calculate the 'arrival time at the port', 2014/11/210:52:19, calculated by the number 15.0 oil product in the market resource, is copied to the 'arrival time at the port', 15.0 oil product in the initial demand data, and the initial demand data is completely supplemented.
6) In the initial demand data, the data "appointed shipment" of oil product No. 9.0 and oil product No. 15.0 is set as an appointed code representing the ship to be spliced. No. 9.0 is defined to be before No. 15.0 oil, so the "ship-loading-specified" setting for No. 9.0 oil is 1.1, and the No. 15.0 oil setting is 1.2, which represents that No. 1 ship unloads No. 9.0 oil before 15.0 oil.
7) And selecting No. 9.0 and No. 15.0 oil product data from the initial demand data to form a ship splicing scheme. The 9.0 and 15.0 oil ship-splicing schemes can be displayed in the display unit.
8) In the display unit, checking the ship splicing scheme and the arrival date of the spliced oil products according to the spatial relationship of the two oil products in the ship splicing scheme, and checking the rationality of the scheme. And for an unreasonable ship splicing scheme, the ship splicing scheme is disassembled and then spliced again.
9) The oil products which are reasonably assembled are marked, and if the oil products which are not assembled can be distinguished by using colors.
10) All oil products in the initial data are spliced through the steps, and whether the overall ship splicing scheme is reasonable or not is checked again.
11) And exporting the ship splicing scheme with a reasonable checking scheme in an Excel table form, and finishing the programming of the ocean transportation scheme of the crude oil in the month.
The example shows that the graphical compilation method of the ocean transportation scheme of the crude oil can compile an economic and effective ocean transportation scheme of the crude oil which meets all constraint conditions, thereby not only improving the economy and timeliness of compilation of the ocean transportation scheme, but also effectively reducing the working intensity of business personnel and reducing the risk of wrong compilation of the scheme.
Although the embodiments of the present invention have been described in conjunction with the accompanying drawings, those skilled in the art may make various modifications and variations without departing from the spirit and scope of the invention, and such modifications and variations fall within the scope defined by the appended claims.
Claims (7)
1. A graphical compilation method for a crude oil ocean transportation scheme is characterized by comprising the following steps:
s1, loading initial demand data and market resource data from a preset database, and displaying the initial demand data in preset coordinates;
s2, selecting data of the oil product to be assembled currently from the oil products which are not assembled in the initial demand data, wherein the initial demand data are displayed in a graphical mode, and the oil product to be assembled currently is the oil product selected in the graphical display according to the oil product assembling sequence from left to right and from bottom to top;
s3, screening the market resource data according to the data of the oil product to be assembled currently; the method specifically comprises the following steps:
setting a selection range of the oil products which can be transported with the oil products to be assembled in a ship according to the data of the oil products to be assembled currently;
screening the market resource data according to the selection range;
s4, selecting spliced oil products which can be transported together with the current oil products to be spliced by a ship from the screened market resource data;
s5, according to the data of the spliced oil product in the market resource data, completely supplementing the data of the spliced oil product corresponding to the initial demand data, wherein the data to be supplemented is automatically calculated when the market resource data is screened in the step S3, and is copied to the corresponding position in the initial demand data;
s6, in the coordinates, forming a ship splicing scheme according to the data of the current oil product to be spliced and the spliced oil product in the initial demand data;
s7, checking the ship splicing scheme according to the current oil product to be spliced and the spatial distribution of the spliced oil product in the initial demand data, and specifically comprises the following steps:
in the coordinates, checking whether the inter-discharge voyage, the discharge lag phase and the arrival time of the oil products to be assembled and the assembled oil products in the assembling scheme meet preset requirements or not according to the space distance between the oil products to be assembled and the assembled oil products in the initial data;
s8, oil products in the ship splicing scheme with reasonable verification are calibrated;
s9, judging whether the initial demand data contains unassembled oil products, if yes, returning to the step S2, and if not, executing the next step;
and S10, checking all ship splicing schemes formed in the coordinates, and exporting the ship splicing schemes with reasonable checking.
2. The method for graphically compiling the ocean transportation scheme of crude oil according to claim 1, wherein in the preset coordinates, the abscissa is the oil product limit/actual arrival deadline, and the ordinate is the unloading port;
displaying the initial demand data in a preset coordinate, specifically comprising:
marking in the preset coordinates according to the unloading port and oil product limit/actual arrival deadline of each oil product in the initial demand data;
and setting an oil label for each oil product marked in the coordinates, wherein the oil label comprises the data of the oil product, and the data in the oil label comprises the serial number, the supply enterprise, the oil product name, the oil product quantity and the assembly state of the oil product.
3. The method for graphically compiling the ocean transportation scheme of crude oil according to claim 1, wherein the selection range of the oil products which can be shipped together with the oil products to be assembled currently specifically comprises: the range of the harbor unloading voyage, the range of the harbor unloading period, the range of the harbor loading voyage, the range of the loading period and the range of the quantity of oil products.
4. The method for graphically compiling the ocean transportation scheme of crude oil according to claim 1, wherein the step S7 further comprises:
when the checking ship-splicing scheme is not reasonable, the ship-splicing scheme is disassembled and the step S2 is returned to.
5. The method for graphically compiling the ocean transportation scheme of crude oil according to claim 1, wherein the step S8 specifically comprises the following steps:
and setting the display color of the oil product which forms the ship splicing scheme into a color different from the display color of the oil product which is not spliced in the coordinates for calibration, and connecting the oil product spliced on the same ship through lines.
6. A crude oil ocean transportation scheme graphical compilation system is characterized by comprising:
the data loading unit is used for loading initial demand data and market resource data from a preset database;
the display unit is used for displaying preset coordinates, and the preset coordinates comprise the initial demand data;
the market resource data screening unit is used for selecting the oil product to be assembled currently from the initial demand data and screening the market resource data according to the data of the oil product to be assembled currently; the method is particularly used for setting the selection range of the oil products which can be transported with the current oil products to be assembled in a ship according to the data of the current oil products to be assembled; screening the market resource data according to the selection range;
the assembled oil product selecting unit is used for selecting the assembled oil product which can be transported with the current oil product to be assembled in a ship from the screened market resource data;
the initial demand data supplement unit is used for completely supplementing the data of the assembled oil product corresponding to the initial demand data according to the data of the assembled oil product in the market resource data;
the ship splicing scheme forming unit is used for forming a ship splicing scheme according to the data of the current oil product to be spliced and the spliced oil product in the initial demand data;
the color marking unit is used for setting the display color of the oil product which forms the ship splicing scheme into a color different from the display color of the oil product which is not spliced in the coordinates;
the unassembled oil product checking unit is used for judging whether unassembled oil products exist in the initial demand data or not, and if yes, the market resource data screening unit is informed;
the checking and exporting unit is used for checking the ship splicing scheme formed according to the spatial distribution of oil products in the ship splicing scheme in the coordinates, exporting the ship splicing scheme which is reasonable in checking after all the oil products are spliced, and is specifically used for:
and in the coordinates, checking whether the inter-discharge voyage, the discharge lag phase and the arrival time of the oil products to be assembled and the assembled oil products in the assembling scheme meet preset requirements or not according to the spatial distance between the oil products to be assembled and the assembled oil products in the initial data.
7. The graphical compilation system of ocean transport schemes for crude oil according to claim 6, further comprising a decommissioning unit for decommissioning an unreasonable ship-split scheme when the ship-split scheme formed by the verification and export unit verification is unreasonable.
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