CN116605378B - Fuel oil monitoring system of large pile driving ship and large pile driving ship - Google Patents
Fuel oil monitoring system of large pile driving ship and large pile driving ship Download PDFInfo
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- CN116605378B CN116605378B CN202310891718.3A CN202310891718A CN116605378B CN 116605378 B CN116605378 B CN 116605378B CN 202310891718 A CN202310891718 A CN 202310891718A CN 116605378 B CN116605378 B CN 116605378B
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- 239000000295 fuel oil Substances 0.000 title claims abstract description 70
- 238000012544 monitoring process Methods 0.000 title claims abstract description 66
- 239000000446 fuel Substances 0.000 claims abstract description 213
- 238000004364 calculation method Methods 0.000 claims abstract description 43
- 238000004891 communication Methods 0.000 claims abstract description 11
- 239000003921 oil Substances 0.000 claims description 235
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 89
- 238000001514 detection method Methods 0.000 claims description 10
- 239000000523 sample Substances 0.000 claims description 9
- 238000010248 power generation Methods 0.000 claims description 6
- 239000010720 hydraulic oil Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000005265 energy consumption Methods 0.000 abstract description 14
- 238000012423 maintenance Methods 0.000 description 15
- 230000005540 biological transmission Effects 0.000 description 7
- 238000010276 construction Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 239000002828 fuel tank Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000002283 diesel fuel Substances 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000010835 comparative analysis Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B79/00—Monitoring properties or operating parameters of vessels in operation
- B63B79/10—Monitoring properties or operating parameters of vessels in operation using sensors, e.g. pressure sensors, strain gauges or accelerometers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B69/00—Equipment for shipping not otherwise provided for
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
- E02D7/02—Placing by driving
- E02D7/06—Power-driven drivers
- E02D7/14—Components for drivers inasmuch as not specially for a specific driver construction
Abstract
The application provides a fuel oil monitoring system of a large pile driving ship and the large pile driving ship, and relates to the technical field of ships. The technical problems of low overall energy consumption ratio and high fuel consumption rate of the large pile driving ship in the prior art are solved. The large-scale pile driving ship fuel monitoring system comprises a fuel flow meter, a data acquisition module, a calculation module, a communication module, a network module, a display module, a local monitoring client and a remote monitoring client, wherein the calculation module can calculate fuel consumption, instantaneous fuel consumption rate and average fuel consumption rate which reflect the running condition of a fuel consumption device of each ship by using flow data, and the obtained flow data and calculation result are transmitted to the display module for display through the communication module and are transmitted to the local monitoring client and the remote monitoring client through the network module. The large piling ship comprises the fuel oil monitoring system of the large piling ship. The application improves the energy consumption ratio of the ship and reduces the fuel consumption rate.
Description
Technical Field
The application relates to the technical field of ships, in particular to a fuel oil monitoring system of a large pile driving ship and the large pile driving ship.
Background
The piling ship is a ship special for water piling operation, and is widely applied to water engineering construction at present. Pile frames (or pile driving frames) are generally arranged at the end parts of decks of pile driving vessels, and the pile frames are controlled to dive forward or backward to meet the requirement of pile driving from different angles.
The large pile driving ship is a pile driving ship with pile frame height over one hundred meters, and has the features of great pile hanging capacity, great pile diameter, great wind and wave resistance, high power consumption, etc.
With the increasing penetration of environmental protection, energy consumption is not only an economic consideration for ship management, but also an emission control of pollutants such as carbon and sulfur is increasingly important as a national environmental protection strategy.
The present inventors found that there are at least the following technical problems in the prior art:
the existing large pile driving ship is not provided with a fuel oil monitoring system, the fuel oil consumption of a ship fuel oil consumption device is not controlled, the technical state of ship equipment cannot be mastered, abnormality cannot be found and maintained in time, the overall energy consumption ratio of the ship is low, and the fuel oil consumption rate is high.
Disclosure of Invention
The embodiment of the application provides a large pile driving ship fuel oil monitoring system and a large pile driving ship, which solve the technical problems of low overall energy consumption ratio and high fuel oil consumption rate of the large pile driving ship in the prior art.
The application provides the following technical scheme:
the application provides a large-scale piling ship fuel monitoring system, which comprises a fuel flow meter, a data acquisition module, a calculation module, a communication module, a network module, a display module, a local monitoring client and a remote monitoring client, wherein:
the large pile driving ship with the fuel oil monitoring system comprises a fuel oil tank and a ship fuel oil consumption device, wherein the ship fuel oil consumption device comprises a pile hammer diesel engine, a fuel oil water heater and a plurality of diesel generating sets;
the oil outlet of the oil tank is communicated with the fuel water heater, the piling hammer diesel engine and respective oil inlets of the diesel generator sets, and the oil return port of the oil tank is communicated with the piling hammer diesel engine and respective oil return ports of the diesel generator sets;
the oil tank is used for supplying fuel oil to the fuel oil water heater, the pile hammer diesel engine and the diesel generator sets;
the diesel generator set is at least used for providing electric energy for a driving motor of a navigation screw propeller of a large pile driving ship and driving hydraulic pumps of a plurality of winches;
the fuel oil water heater is used for supplying hot water for the large piling ship;
the pile hammer diesel engine is used for providing power for a hydraulic pump of a pile hammer of a large pile driving ship, and the hydraulic pump drives a hydraulic pile hammer to perform pile driving operation through hydraulic oil;
the fuel flow meters are arranged on the oil paths among the oil outlet of the oil tank, the fuel water heater, the piling hammer diesel engine and the respective oil inlets of the diesel generating sets, and the oil paths among the oil return port of the oil tank, the piling hammer diesel engine and the respective oil return ports of the diesel generating sets;
the data acquisition module is electrically connected with the fuel flow meter, the fuel flow meter is used for detecting the flow of fuel, and the data acquisition module is used for acquiring the flow signal in the form of an analog signal detected by the fuel flow meter and converting the flow signal into flow data in the form of a digital signal to be sent to the calculation module;
the calculation module is electrically connected with the data acquisition module, the calculation module can calculate state data reflecting the running condition of each ship oil consumption device by utilizing the flow data, the state data is one, two or three of fuel consumption, instantaneous fuel consumption rate and average fuel consumption rate, and the calculation module can also transmit the acquired flow data and calculation results to the display module for display through the communication module, and meanwhile, the calculation module can transmit the flow data and the calculation results to the local monitoring client and the remote monitoring client for display through the network module.
Optionally, the fuel consumption calculated by the calculation module = inlet fuel amount per minute-outlet fuel amount per minute;
the fuel instantaneous consumption rate= (inlet fuel amount per minute×fuel density-outlet fuel amount per minute×fuel density)/power generation amount;
the inlet fuel quantity per minute is the fuel quantity flowing through per minute detected by a fuel flow meter on the oil circuit between the oil outlet of the oil tank and each ship oil consumption device, the outlet fuel quantity per minute is the fuel quantity flowing through per minute detected by a fuel flow meter on the oil circuit between the oil return opening of the oil tank and each ship oil consumption device, and the outlet fuel quantity per minute is zero if no fuel flow meter is arranged;
the fuel average consumption rate=total amount of power generation accumulated in the all operation time/all operation time.
Optionally, the diesel generating set includes a first main generating set, a second main generating set and a plurality of operation generating sets, wherein:
the operation generator set is used for providing electric energy for a hydraulic pump in a hydraulic system of the large pile driving ship when the large pile driving ship performs pile driving operation;
the first main generator set and the second main generator set are used for providing electric energy for the large piling ship when the large piling ship is sailing;
the rated power of each of the first main generator set and the second main generator set is smaller than that of any one of the operation generator sets;
the fuel flow meter is arranged between the oil inlet of each operation generator set and the oil tank;
the fuel flowmeter is also arranged between the oil return port of each of the first main generator set, the second main generator set and each operation generator set and the oil tank.
Optionally, the rated power of the first main generator set is consistent with that of the second main generator set, and the number of the operation generator sets is four and the rated power is consistent.
Optionally, the oil tanks include a deck day oil tank, a first cabin day oil tank, and a second cabin day oil tank, wherein:
the deck daily oil tank is connected with an oil outlet of the second cabin daily oil tank in parallel and then is connected with an oil inlet of the fuel oil water heater and an oil inlet of the piling hammer diesel engine;
the oil return port of the pile hammer diesel engine is connected with the oil return port of the deck daily oil tank;
the oil outlet of the first engine room daily oil tank is connected with the oil inlets of three diesel generator sets in the six diesel generator sets, and the oil return port of the first engine room daily oil tank is connected with the oil return ports of the three diesel generator sets;
the oil outlet of the second engine room daily oil tank is connected with the oil inlets of the other three diesel generator sets of the six diesel generator sets, and the oil return port of the second engine room daily oil tank is connected with the oil return ports of the other three diesel generator sets of the six diesel generator sets.
Optionally, the fuel oil monitoring system of the large piling ship comprises a fuel oil water content sensor and an alarm indicator lamp; the fuel water content sensor is electrically connected with the data acquisition module, and the alarm indicator lamp is electrically connected with the calculation module;
the fuel water content sensor is arranged on an oil way between an oil outlet of the oil tank and oil inlets of the fuel water heater, the piling hammer diesel engine and the diesel generator sets;
the fuel water content sensor is used for detecting the water content in the flowing fuel and sending detection signals in the form of analog signals to the data acquisition module;
the data acquisition module is used for converting the water content signal in the analog signal form into water content data in the digital signal form and then sending the water content data to the calculation module;
the calculation module is electrically connected with the data acquisition module, and can transmit the water content data to the display module for display through the communication module, and simultaneously transmit the water content data to the local monitoring client and the remote monitoring client for display through the network module, and control the alarm indicator to emit light and alarm when the water content data exceeds a preset threshold;
the alarm indicator lamp comprises a first indicator lamp and a second indicator lamp, wherein the first indicator lamp is arranged on the oil tank or on a structural member around the oil tank, and the second indicator lamp is arranged in the display module or around a screen of the display module.
Optionally, the fuel water content sensor is integrated on the fuel flow meter;
the fuel water content sensor comprises a sensor probe and a sensor shell, wherein the sensor shell is of a flange structure with a connecting hole, the sensor shell is fixed between a hydraulic pipeline and an oil outlet port or an oil inlet port of the fuel flow meter through bolts penetrating through the connecting hole, and the sensor probe is immersed in fuel flowing through the sensor probe.
Optionally, a stop check valve for preventing fuel from flowing back is further arranged on an oil outlet circuit of the fuel flow meter, and fuel filters are arranged on oil paths between an oil outlet of the oil tank and oil inlets of the pile hammer diesel engine, the diesel generator set and the fuel water heater.
Optionally, the oil outlet of the oil tank is higher than the oil inlets of the pile hammer diesel engine, the diesel generator set and the fuel oil heater.
The application provides a large pile driving ship, which comprises the fuel oil monitoring system of the large pile driving ship, wherein the height of a pile frame of the large pile driving ship exceeds 140 meters, and the large pile driving ship can complete pile driving operation under the conditions of a water depth range of 50 meters and 8-level wind.
Any one of the technical schemes provided by the embodiment of the application at least has the following technical effects:
1. according to the application, the fuel quantity entering and exiting each ship fuel consumption device can be detected in real time by adding the fuel flowmeter on the oil inlet oil way and the oil return oil way of each ship fuel consumption device, then the fuel consumption, the instantaneous fuel consumption rate and the average fuel consumption rate of each ship fuel consumption device can be calculated by utilizing the calculation module, the acquired flow data and calculation results are transmitted to the display module (the display module is used for being checked by maintenance personnel of the ship fuel consumption device) to be displayed, and meanwhile, the acquired flow data and calculation results are transmitted to the local monitoring client (used for being checked by ship management personnel) and the remote monitoring client (used for being checked by land headquarter monitoring personnel or management personnel) to be displayed, so that the maintenance personnel of the ship fuel consumption device on the first line of the ship, the management personnel on the ship and the monitoring personnel or the management personnel on the land can be used for checking the running condition of each ship fuel consumption device in real time, the discovery problem is further improved, the fault speed and the accuracy are eliminated, the maintenance and the maintenance method is convenient to be adopted to avoid the fault fuel consumption device with higher consumption rate, the overall piling efficiency is greatly improved, the overall energy consumption is lower than that of the ship is lower than that of the existing ship, and the overall technology is lower than that of the ship has the overall piling technology.
2. The actuating mechanism is diversified and efficiently combined; the control convenience and the structure compactness are improved, the energy efficiency is improved to the maximum extent, and the energy consumption is reduced; the pile hammer diesel engine with the maximum oil consumption in the ship oil consumption device is driven by diesel oil, electric drive is not adopted, the energy transmission chain of the way that the diesel engine directly drives the hydraulic pump is short, the loss in the energy transmission process is less, the sailing propeller and the winch with relatively small power consumption are driven by electricity, the electric energy can be transmitted through electric wires, the flexibility of electric wire construction is high, and therefore the setting flexibility of a motor and the space utilization rate of a pile driving ship are also ensured to be higher.
3. Monitoring the generated energy; according to the application, the instantaneous fuel consumption rate= (inlet fuel quantity per minute x fuel density-outlet fuel quantity per minute x fuel density)/generated energy is calculated and monitored synchronously, so that the detection precision and fault finding speed are improved;
4. the water content and the quality of the fuel oil are monitored, the quality of the fuel oil is monitored through the detection of the water content, and if the fuel oil is poor in quality due to high water content, the fuel oil can be timely found and replaced, so that the safety and high efficiency of piling operation are ensured;
5. the maintenance is convenient; the first indicator lamp is arranged on the oil tank or on a structural member around the oil tank, the second indicator lamp is arranged in the display module or around a screen of the display module, and maintenance personnel and ship management personnel can find out the problem that the water content of the fuel oil does not reach the standard in time, so that the fuel oil can be replaced in time or a fuel oil water content sensor with faults can be replaced in time, and the safe and efficient operation of the system can be ensured;
6. the fuel water content sensor is convenient to assemble, disassemble, detect and maintain in an integrated mode.
7. The application can support the largest 140 m-level ultra-large special piling ship in China, can be applied to the special piling ship with larger size (for example, 150 m-level), has simple and practical installation, high precision, accurate measurement under extremely small flow, and stable operation under the working conditions of ship vibration, high temperature, high humidity and the like. The system has good application condition in the ship pile driving experiment, ship maintainers and management personnel can maintain the diesel engine combustion part in time through comparing and analyzing the monitoring data, the fuel consumption is reduced by 3%, the energy saving and emission reduction targets are achieved, accurate data transmission can be realized between the flowmeter and the upper computer, and the system scheme is fully shown to be effective. The fuel oil monitoring system plays a larger role in the future navigation and construction energy consumption management, and has great popularization and application values.
Drawings
The technical effects of the present application may be better understood by those skilled in the art from the following figures, in which:
FIG. 1 is a schematic diagram of the connection relationship of the main components of a large pile driving vessel fuel monitoring system provided by an embodiment of the application;
FIG. 2 is an enlarged partial schematic view of FIG. 1;
FIG. 3 is a schematic diagram of a detected data transmission route of a large pile driving vessel fuel monitoring system provided by an embodiment of the application;
the marks in the figure: 1. a deck daily oil tank; 21. a first cabin daily oil tank; 22. a second cabin daily oil tank; 3. a fuel flow meter; 41. a first main generator set; 42. a second main generator set; 5. operating a generator set; 6. a stop check valve; 7. a fuel filter; 8. a fuel oil water heater; 9. pile hammer diesel engine.
Detailed Description
Preferred embodiments and many alternative embodiments provided by examples of the present application are described in more detail below in conjunction with figures 1-3 above;
as shown in fig. 1 to 3, the fuel monitoring system for a large pile driving ship provided by the application comprises a fuel flowmeter 3, a data acquisition module, a calculation module, a communication module, a network module, a display module, a local monitoring client and a remote monitoring client, wherein:
the large piling ship where the large piling ship fuel oil monitoring system is located is provided with a fuel tank and a ship fuel oil consumption device, wherein the ship fuel oil consumption device comprises a piling hammer diesel engine 9, a fuel oil water heater 8 and a plurality of diesel generating sets;
the oil outlet of the oil tank is communicated with the fuel water heater 8, the piling hammer diesel engine 9 and respective oil inlets of the diesel generator sets, and the oil return port of the oil tank is communicated with the piling hammer diesel engine 9 and respective oil return ports of the diesel generator sets;
the oil tank is used for supplying fuel oil to the fuel oil water heater 8, the piling hammer diesel engine 9 and a plurality of diesel generating sets;
the diesel generator set is at least used for providing electric energy for a driving motor of a navigation screw propeller of a large pile driving ship and driving hydraulic pumps of a plurality of winches;
the fuel oil water heater 8 is used for supplying hot water for the large piling ship;
the pile hammer diesel engine 9 is used for providing power for a hydraulic pump of a pile hammer of a large pile driving ship, and the hydraulic pump drives the hydraulic pile hammer to perform pile driving operation through hydraulic oil;
the fuel flow meters 3 are arranged on the fuel paths among the fuel outlet of the fuel tank, the fuel water heater 8, the piling hammer diesel engine 9 and the respective fuel inlets of the diesel generator sets, and the fuel paths among the fuel return port of the fuel tank, the piling hammer diesel engine 9 and the respective fuel return ports of the diesel generator sets;
the data acquisition module is electrically connected with the fuel flow meter 3, the fuel flow meter 3 is used for detecting the flow of fuel, and the data acquisition module is used for acquiring the flow signal in the form of an analog signal detected by the fuel flow meter 3 and converting the flow signal into flow data in the form of a digital signal to be sent to the calculation module;
the calculation module is electrically connected with the data acquisition module, and can calculate the state data reflecting the running condition of the oil consumption device of each ship by utilizing the flow data, wherein the state data is one, two or three of fuel consumption, instantaneous fuel consumption rate and average fuel consumption rate, and the calculation module can also transmit the acquired flow data and calculation results to the display module for display through the communication module and transmit the acquired flow data and calculation results to the local monitoring client and the remote monitoring client for displaying the flow data and calculation results through the network module.
According to the application, the fuel quantity entering and exiting each ship oil consumption device can be detected in real time by adding the fuel flowmeter 3 on the oil inlet oil way and the oil return oil way of each ship oil consumption device, then the fuel consumption, the instantaneous fuel consumption rate and the average fuel consumption rate of each ship oil consumption device can be calculated by utilizing the calculation module, the acquired flow data and calculation results are transmitted to the display module (the display module is used for being checked by maintenance personnel of the ship oil consumption device) to be displayed, and meanwhile, the acquired flow data and calculation results are transmitted to the local monitoring client (used for being checked by ship management personnel) and the remote monitoring client (used for being checked by land headquarter monitoring personnel or management personnel) to be displayed, so that the maintenance personnel of the ship oil consumption device, the management personnel on the ship and the monitoring personnel or the management personnel on the land can be used for checking the running condition of each ship oil consumption device in real time, the discovery problem is solved, the speed and the accuracy of the fault are further improved, the maintenance and maintenance method is convenient to be adopted to be used for avoiding the fault oil consumption device with high consumption rate, the overall piling performance of the ship is improved, and the overall energy consumption ratio of the ship is reduced.
The fuel oil monitoring system of the large piling ship comprises a fuel oil water content sensor and an alarm indicator lamp; the fuel water content sensor is electrically connected with the data acquisition module, and the alarm indicator lamp is electrically connected with the calculation module;
the fuel water content sensor is arranged on an oil way between an oil outlet of the oil tank and oil inlets of the fuel water heater 8, the piling hammer diesel engine 9 and the plurality of diesel generator sets;
the fuel water content sensor is used for detecting the water content in the flowing fuel and sending detection signals in the form of analog signals to the data acquisition module;
the data acquisition module is used for converting the water content signal in the form of an analog signal into water content data in the form of a digital signal and then sending the water content data to the calculation module;
the calculation module is electrically connected with the data acquisition module, and can transmit the water content data to the display module for display through the communication module, and simultaneously transmit the water content data to the local monitoring client and the remote monitoring client for display through the network module, and control the alarm indicator to emit light and alarm when the water content data exceeds a preset threshold value;
the alarm indicator lamp comprises a first indicator lamp and a second indicator lamp, wherein the first indicator lamp is arranged on the oil tank or on a structural member around the oil tank, and the second indicator lamp is arranged in the display module or around a screen of the display module.
The monitoring of the fuel quality is realized through the detection of the water content of the fuel, if the fuel is poor in quality due to high water content, the application can intercept and prevent the unqualified fuel from entering the ship fuel consumption device in time, and further can replace the unqualified fuel with the water content in time, thereby reducing the fault of the ship fuel consumption device and ensuring the piling operation; meanwhile, the problem that the fuel consumption rate is reduced and misjudged as the fault of the ship fuel consumption device caused by the fact that the water content of the fuel does not reach the standard can be avoided, and therefore the accuracy of finding the problem is further improved.
As an alternative embodiment, the fuel water content sensor is integrated on the fuel flow meter 3;
the sensor comprises a sensor probe and a sensor shell, wherein the sensor shell is of a flange structure with a connecting hole, the sensor shell is fixed between a hydraulic pipeline and an oil outlet port or an oil inlet port of the fuel flow meter through bolts penetrating through the connecting hole, and the sensor probe is immersed in fuel flowing through the sensor probe.
The design has the advantages of convenient assembly, maintenance and compact structure.
The measurement range of the fuel flow meter 3 in the present application may be: 0.4L/h to 30000L/h, the precision can be: from 0.1% to 1%, the pressure of the fuel flowing through may be 40 bar.
As an alternative embodiment, the fuel consumption calculated by the calculation module = inlet fuel quantity per minute-outlet fuel quantity per minute; the instantaneous fuel consumption rate= (inlet fuel quantity per minute x fuel density-outlet fuel quantity per minute x fuel density)/generated energy, the inlet fuel quantity per minute is the fuel quantity flowing through in 1 minute detected by the fuel flow meter 3 on the fuel line between the oil outlet of the oil tank and each ship oil consumption device, the outlet fuel quantity per minute is the fuel quantity flowing through in 1 minute detected by the fuel flow meter 3 on the fuel line between the oil return port of the oil tank and each ship oil consumption device, and if the fuel flow meter 3 is not arranged, the outlet fuel quantity per minute is zero;
fuel average consumption rate = total amount of power generation accumulated in all operation time/all operation time.
The power generation amount can be detected by a power meter. The power meter is electrically connected with a ship oil consumption device (for example, a diesel generator set) and the data acquisition module respectively, and the data acquisition module can convert the generated energy data of the analog signals detected by the power meter into a digital format and then send the digital format to the calculation module.
The running state of each ship oil consumption device can be comprehensively represented through the data, and once the ship oil consumption device is abnormal in running, the data can be timely analyzed, so that the timely problem discovery is ensured, and the fault removal speed and the fault removal accuracy are ensured.
In the application, the pile hammer diesel engine 9 can only check the fuel consumption to judge the running state.
As an alternative embodiment, the diesel-electric generator set comprises a first main generator set 41, a second main generator set 42 and several working generator sets 5, wherein:
the operation generator set 5 is used for providing electric energy for a hydraulic pump in a hydraulic system of the large piling ship when the large piling ship performs piling operation;
the first main generator set 41 and the second main generator set 42 are used for providing electric energy for the large piling ship when the large piling ship is sailing;
the rated power of each of the first main generator set 41 and the second main generator set 42 is smaller than that of any one operation generator set 5;
the fuel flow meter 3 is arranged between the oil inlet and the oil tank of each operation generator set 5 and the first main generator set 41 and the second main generator set 42;
the fuel flow meter 3 is also arranged between the oil return port and the oil tank of each operation generator set 5 and the first main generator set 41 and the second main generator set 42.
When the ship is in a piling operation state, more electric energy is consumed, and at the moment, the operation generator set 5 with larger rated power is started, and if one electric energy is not enough, a plurality of operation generator sets are started until the requirement of power consumption is met. The design can avoid the waste and redundancy of the generator set to the greatest extent, thereby saving the oil consumption.
As an alternative embodiment, the rated power of the first main generator set 41 is identical to that of the second main generator set 42, and the number of the working generator sets 5 is four and the rated power is identical. The design can use the same type of main generator set and the operation generator set 5, thereby facilitating batch assembly, replacement and maintenance of the main generator set and the operation generator set 5.
As an alternative embodiment, the fuel tanks include a deck day tank 1, a first cabin day tank 21, and a second cabin day tank 22, wherein:
the deck daily oil tank 1 is connected with an oil outlet of a second cabin daily oil tank 22 in parallel and then is connected with an oil inlet of a fuel oil water heater 8 and an oil inlet of a piling hammer diesel engine 9; the deck daily oil tank 1 and the second cabin daily oil tank 22 which are arranged in parallel can be mutually standby, so that the reliability of the system is improved.
The oil return port of the pile hammer diesel engine 9 is connected with the oil return port of the deck daily oil tank 1;
the oil outlet of the first engine room daily oil tank 21 is connected with the oil inlets of three diesel generator sets in the six diesel generator sets, and the oil return port of the first engine room daily oil tank 21 is connected with the oil return ports of the three diesel generator sets;
the oil outlet of the second cabin daily oil tank 22 is connected with the oil inlets of the other three diesel generator sets of the six diesel generator sets, and the oil return port of the second cabin daily oil tank 22 is connected with the oil return ports of the other three diesel generator sets of the six diesel generator sets.
The deck daily oil tank 1 and the pile hammer diesel engine 9 are arranged on the deck, so that the fuel circuit design is more convenient to construct a circuit, and the circuit cost is saved. The oil outlet and the oil return port of the oil tank are in corresponding relation with the ship oil consumption device, so that the oil return quantity is ensured to be smaller than the oil outlet quantity, and the oil tank cannot overflow due to more oil return and less oil outlet.
As an alternative implementation manner, the oil outlet path of the fuel flow meter 3 is also provided with a stop check valve 6 for preventing fuel backflow, and the oil paths between the oil outlet of the oil tank and the oil inlets of the piling hammer diesel engine 9, the diesel generator set and the fuel water heater 8 are all provided with a fuel filter 7. The check valve 6 can improve detection precision and avoid the influence of oil return on the detection result. The fuel filter 7 can improve the fuel purity and avoid the fault of the ship fuel consumption device or the increase of the fuel consumption rate caused by fuel impurities.
As an alternative embodiment, the oil outlet of the oil tank is arranged at a position higher than the oil inlets of the piling hammer diesel engine 9, the diesel generator set and the fuel water heater 8. The arrangement can fully utilize the gravity effect, thereby further reducing the energy consumption of the ship and improving the overall energy consumption ratio of the ship.
The application provides a large pile driving ship, which comprises the fuel oil monitoring system of the large pile driving ship, wherein the height of a pile frame of the large pile driving ship exceeds 140 meters, and the large pile driving ship can complete pile driving operation under the conditions of a water depth range of 50 meters and 8-level wind.
In summary, the advantages of the present application include:
1. the collection of a plurality of state data and the use of a plurality of fuel flow meters improve the problem finding, so that the fault removing speed and the fault removing accuracy are improved, and the maintenance and repair method is convenient to be adopted in time to avoid the continuous operation of the fault ship oil consumption device with higher fuel consumption rate, so that the overall energy consumption ratio of the large pile driving ship is improved, and the overall fuel consumption rate is reduced;
2. the actuating mechanism is diversified and efficiently combined; the control convenience and the structure compactness are improved, the energy efficiency is improved to the maximum extent, and the energy consumption is reduced; the pile hammer diesel engine with the maximum oil consumption in the ship oil consumption device is driven by diesel oil, electric drive is not adopted, the energy transmission chain of the way that the diesel engine directly drives the hydraulic pump is short, the loss in the energy transmission process is less, the sailing propeller and the winch with relatively small power consumption are driven by electricity, the electric energy can be transmitted through electric wires, the flexibility of electric wire construction is high, and therefore the setting flexibility of a motor and the space utilization rate of a pile driving ship are also ensured to be higher.
3. Monitoring the generated energy; according to the application, the instantaneous fuel consumption rate= (inlet fuel quantity per minute x fuel density-outlet fuel quantity per minute x fuel density)/generated energy is calculated and monitored synchronously, so that the detection precision and fault finding speed are improved;
4. the water content and the quality of the fuel oil are monitored, the quality of the fuel oil is monitored through the detection of the water content, and if the fuel oil is poor in quality due to high water content, the fuel oil can be timely found and replaced, so that the piling operation is ensured;
5. the maintenance is convenient; the first indicator lamp is arranged on the oil tank or on a structural member around the oil tank, the second indicator lamp is arranged in the display module or around a screen of the display module, and maintenance personnel and ship management personnel can find out the problem that the water content of the fuel oil does not reach the standard in time, so that the fuel oil can be replaced in time or a fuel oil water content sensor with faults can be replaced in time, and the safe and efficient operation of the system can be ensured;
6. the fuel water content sensor is convenient to assemble, disassemble, detect and maintain in an integrated mode.
The fuel oil monitoring system of the large pile driving ship can support the current domestic maximum 140 m-level or even larger-level ultra-large special pile driving ship, is simple and practical to install, has high precision, is accurate to measure under extremely small flow, and is stable to operate under the working conditions of ship vibration, high temperature, high humidity and the like. At present, the system has good application condition in a ship piling experiment, a manager maintains a diesel engine combustion part in time through comparative analysis, fuel consumption is reduced by 3%, the energy-saving and emission-reducing targets are achieved, accurate data transmission between a flowmeter and an upper computer can be realized, and the system scheme is fully shown to be effective. The fuel oil monitoring system plays a larger role in the future navigation and construction energy consumption management, and has great popularization and application values.
The above technical solutions are all preferred embodiments of the present application, and are not intended to limit the scope of the present application accordingly, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (9)
1. The utility model provides a large-scale pile ship fuel monitored control system which characterized in that: the large-scale pile driving ship fuel monitoring system comprises a fuel flow meter, a data acquisition module, a calculation module, a communication module, a network module, a display module, a local monitoring client and a remote monitoring client, wherein:
the large pile driving ship with the fuel oil monitoring system comprises a fuel oil tank and a ship fuel oil consumption device, wherein the ship fuel oil consumption device comprises a pile hammer diesel engine, a fuel oil water heater and a plurality of diesel generating sets;
the oil outlet of the oil tank is communicated with the fuel water heater, the piling hammer diesel engine and respective oil inlets of the diesel generator sets, and the oil return port of the oil tank is communicated with the piling hammer diesel engine and respective oil return ports of the diesel generator sets;
the oil tank is used for supplying fuel oil to the fuel oil water heater, the pile hammer diesel engine and the diesel generator sets;
the diesel generator set is at least used for providing electric energy for a driving motor of a navigation screw propeller of a large pile driving ship and driving hydraulic pumps of a plurality of winches;
the fuel oil water heater is used for supplying hot water for the large piling ship;
the pile hammer diesel engine is used for providing power for a hydraulic pump of a pile hammer of a large pile driving ship, and the hydraulic pump drives a hydraulic pile hammer to perform pile driving operation through hydraulic oil;
the fuel flow meters are arranged on the oil paths among the oil outlet of the oil tank, the fuel water heater, the piling hammer diesel engine and the respective oil inlets of the diesel generating sets, and the oil paths among the oil return port of the oil tank, the piling hammer diesel engine and the respective oil return ports of the diesel generating sets;
the data acquisition module is electrically connected with the fuel flow meter, the fuel flow meter is used for detecting the flow of fuel, and the data acquisition module is used for acquiring the flow signal in the form of an analog signal detected by the fuel flow meter and converting the flow signal into flow data in the form of a digital signal to be sent to the calculation module; the calculation module is electrically connected with the data acquisition module, and can calculate state data reflecting the running condition of each ship oil consumption device by utilizing the flow data, wherein the state data is one, two or three of fuel consumption, instantaneous fuel consumption rate and average fuel consumption rate, and the calculation module can also transmit the acquired flow data and calculation results to the display module for display through the communication module, and simultaneously transmit the flow data and the calculation results to the local monitoring client and the remote monitoring client for display through the network module;
the fuel oil monitoring system of the large piling ship comprises a fuel oil water content sensor and an alarm indicator lamp;
the fuel water content sensor is electrically connected with the data acquisition module, and the alarm indicator lamp is electrically connected with the calculation module;
the fuel water content sensor is arranged on an oil way between an oil outlet of the oil tank and oil inlets of the fuel water heater, the piling hammer diesel engine and the diesel generator sets;
the fuel water content sensor is used for detecting the water content in the flowing fuel and sending detection signals in the form of analog signals to the data acquisition module;
the data acquisition module is used for converting the water content signal in the analog signal form into water content data in the digital signal form and then sending the water content data to the calculation module;
the calculation module is electrically connected with the data acquisition module, and can transmit the water content data to the display module for display through the communication module, and simultaneously transmit the water content data to the local monitoring client and the remote monitoring client for display through the network module, and control the alarm indicator to emit light and alarm when the water content data exceeds a preset threshold;
the alarm indicator lamp comprises a first indicator lamp and a second indicator lamp, wherein the first indicator lamp is arranged on the oil tank or on a structural member around the oil tank, and the second indicator lamp is arranged in the display module or around a screen of the display module.
2. The large pile driving vessel fuel monitoring system according to claim 1, wherein: the fuel consumption calculated by the calculation module = inlet fuel quantity per minute-outlet fuel quantity per minute;
the fuel instantaneous consumption rate= (inlet fuel amount per minute×fuel density-outlet fuel amount per minute×fuel density)/power generation amount;
the inlet fuel quantity per minute is the fuel quantity flowing through per minute detected by a fuel flow meter on the oil circuit between the oil outlet of the oil tank and each ship oil consumption device, the outlet fuel quantity per minute is the fuel quantity flowing through per minute detected by a fuel flow meter on the oil circuit between the oil return opening of the oil tank and each ship oil consumption device, and the outlet fuel quantity per minute is zero if no fuel flow meter is arranged;
the fuel average consumption rate=total amount of power generation accumulated in the all operation time/all operation time.
3. The large pile driving vessel fuel monitoring system according to claim 2, wherein: the diesel generating set comprises a first main generating set, a second main generating set and a plurality of operation generating sets, wherein:
the operation generator set is used for providing electric energy for a hydraulic pump in a hydraulic system of the large pile driving ship when the large pile driving ship performs pile driving operation;
the first main generator set and the second main generator set are used for providing electric energy for the large piling ship when the large piling ship is sailing;
the rated power of each of the first main generator set and the second main generator set is smaller than that of any one of the operation generator sets;
the fuel flow meter is arranged between the oil inlet of each operation generator set and the oil tank;
the fuel flowmeter is also arranged between the oil return port of each of the first main generator set, the second main generator set and each operation generator set and the oil tank.
4. A large piling vessel fuel monitoring system according to claim 3, wherein: the rated power of the first main generator set is consistent with that of the second main generator set, and the number of the operation generator sets is four and the rated power is consistent.
5. A large piling vessel fuel monitoring system according to claim 3, wherein: the oil tank includes deck daily oil tank, first cabin daily oil tank and second cabin daily oil tank, wherein:
the deck daily oil tank is connected with an oil outlet of the second cabin daily oil tank in parallel and then is connected with an oil inlet of the fuel oil water heater and an oil inlet of the piling hammer diesel engine;
the oil return port of the pile hammer diesel engine is connected with the oil return port of the deck daily oil tank;
the oil outlet of the first engine room daily oil tank is connected with the oil inlets of three diesel generator sets in the six diesel generator sets, and the oil return port of the first engine room daily oil tank is connected with the oil return ports of the three diesel generator sets;
the oil outlet of the second engine room daily oil tank is connected with the oil inlets of the other three diesel generator sets of the six diesel generator sets, and the oil return port of the second engine room daily oil tank is connected with the oil return ports of the other three diesel generator sets of the six diesel generator sets.
6. The large pile driving vessel fuel monitoring system according to claim 1, wherein: the fuel water content sensor is integrated on the fuel flowmeter;
the fuel water content sensor comprises a sensor probe and a sensor shell, wherein the sensor shell is of a flange structure with a connecting hole, the sensor shell is fixed between a hydraulic pipeline and an oil outlet port or an oil inlet port of the fuel flow meter through bolts penetrating through the connecting hole, and the sensor probe is immersed in fuel flowing through the sensor probe.
7. The large pile driving vessel fuel monitoring system according to claim 1, wherein: the fuel oil flow meter is characterized in that a stop check valve for preventing fuel oil from flowing back is further arranged on an oil outlet oil path of the fuel oil flow meter, and fuel oil filters are arranged on oil paths between an oil outlet of the oil tank and oil inlets of the pile hammer diesel engine, the diesel generator set and the fuel oil water heater.
8. The large pile driving vessel fuel monitoring system according to claim 1, wherein: the oil outlet of the oil tank is higher than the oil inlets of the pile hammer diesel engine, the diesel generator set and the fuel oil water heater.
9. A large pile driving vessel, characterized in that: a large piling vessel fuel monitoring system comprising any one of claims 1-8, said large piling vessel having a pile frame height in excess of 140 meters, and said large piling vessel being capable of performing piling operations over a 50 meter depth of water range and under 8 wind levels.
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| CN114458663A (en) * | 2022-01-19 | 2022-05-10 | 上海海岳液压机电工程有限公司 | Energy control method based on hydraulic pile hammer |
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| JP2011140754A (en) * | 2010-01-05 | 2011-07-21 | Toa Harbor Works Co Ltd | Pile holder barge and pile driving method |
| CN204418177U (en) * | 2014-12-15 | 2015-06-24 | 上海工程机械厂有限公司 | Be provided with the pile hammer of electric control fuel system |
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