CN109581958A - A kind of fueller control system peculiar to vessel and method - Google Patents
A kind of fueller control system peculiar to vessel and method Download PDFInfo
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- CN109581958A CN109581958A CN201811491288.1A CN201811491288A CN109581958A CN 109581958 A CN109581958 A CN 109581958A CN 201811491288 A CN201811491288 A CN 201811491288A CN 109581958 A CN109581958 A CN 109581958A
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- 238000000034 method Methods 0.000 title claims description 25
- 239000000295 fuel oil Substances 0.000 claims abstract description 79
- 230000007246 mechanism Effects 0.000 claims abstract description 45
- 230000008859 change Effects 0.000 claims abstract description 20
- 238000001816 cooling Methods 0.000 claims abstract description 3
- 239000003921 oil Substances 0.000 claims description 15
- 230000010365 information processing Effects 0.000 claims description 9
- 238000012544 monitoring process Methods 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 4
- 230000000007 visual effect Effects 0.000 claims description 3
- 238000004458 analytical method Methods 0.000 abstract description 4
- 239000004034 viscosity adjusting agent Substances 0.000 abstract description 4
- 230000008569 process Effects 0.000 description 8
- 239000010759 marine diesel oil Substances 0.000 description 6
- 230000006870 function Effects 0.000 description 5
- 239000010763 heavy fuel oil Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000000446 fuel Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005314 correlation function Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000010758 marine gas oil Substances 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000033772 system development Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
- G05B19/058—Safety, monitoring
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/10—Plc systems
- G05B2219/14—Plc safety
- G05B2219/14006—Safety, monitoring in general
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Feeding And Controlling Fuel (AREA)
Abstract
A kind of fueller control system peculiar to vessel, the system includes: pump group control mechanism, viscosity control mechanism, temperature control device, fuel oil switching mechanism and Master Control Unit, viscosity control mechanism includes viscosity sensor and radiator valve, temperature control device includes temperature sensor and cooling controller, viscosity sensor and temperature sensor are connect with the input terminal of Master Control Unit, fuel oil switching mechanism includes fuel oil switching valve, and radiator valve, cooler valve and fuel oil switching valve are connect with the output end of Master Control Unit.System design rationally, high degree of automation, can be realized fuel oil smoothly switch and temperature, viscosity-adjusting agent, effectively prevent the cured phenomenon of analysis generated because temperature change is big, it is ensured that the reliability of system.
Description
Technical field
The present invention relates to industrial control field, especially a kind of fueller control system peculiar to vessel is further related to above-mentioned peculiar to vessel
The control method of fueller control system.
Background technique
Fuel oil supplying device provides the fuel oil of suitable viscosity, temperature, flow, pressure condition for ship main auxiliary machine, plays
The effect of fuel cost is saved, therefore existing newly-built foreign-going ship is equipped with fueller.
Current domestic fueller market is mainly controlled by the manufacturer of developed country, such as the ALFA LAVAL of Sweden, lotus
Blue AURAMARINE, GEA of Germany etc., and domestic producer then occupies sub-fraction low-end market, right of speech is insufficient.It is flourishing
The fueller control system of national manufacturer is based on PLC exploitation more, has the feature that the degree of automation, integrated level are high, price is high；
And the control system of domestic manufacturers is then distributed traditional relay control mostly, controling box volume is relatively large, automation
Degree and integrated level are relatively low.However either external or domestic fueller producer, although automating and integrating
Degree aspect is different, but wherein important viscosity control section is not integrated in control system, but by increasing by one
Viscosity Master Control Unit carries out the viscosity of control fuel oil, increases the cost of fueller control system in this way.
In addition, being proposed to the degree of automation of marine accessorial equipment more next as ship is towards intelligent direction development
Higher requirement, while the requirement of high the degree of automation is proposed to the control system of fueller peculiar to vessel.
Summary of the invention
The technical problem to be solved by the present invention is in view of the deficiencies of the prior art, provide a kind of novel, high automation
Degree, the fueller control system peculiar to vessel of high integration.
There is provided the controls of above-mentioned fueller control system peculiar to vessel for another technical problem to be solved by this invention
Method.
The technical problem to be solved by the present invention is to what is realized by technical solution below.The present invention is a kind of peculiar to vessel
Fueller control system, the system include:
Fuel oil switching mechanism, fuel oil switching mechanism include the fuel oil switching valve being mounted on fueller contaminated product pipeline peculiar to vessel；
Pump group control mechanism, pump group control mechanism include the supply pump and pressure being set on fueller contaminated product pipeline peculiar to vessel
Table；
Viscosity control mechanism, viscosity control mechanism include that viscosity sensor enters with the heating for being mounted on fueller heater peculiar to vessel
The radiator valve of mouth, viscosity sensor are arranged on the oil feed line of fueller peculiar to vessel；
Temperature control device, temperature control device include temperature sensor and are mounted at fueller cooler outlet peculiar to vessel
Cooler valve, temperature sensor are arranged on the oil feed line of fueller peculiar to vessel；
Master Control Unit, viscosity sensor, temperature sensor are connect with the input terminal of Master Control Unit, supply pump, pressure gauge, heating
Device valve, cooler valve, fuel oil switching valve are connect with the output end of Master Control Unit.
The technical problems to be solved by the invention can also be further realized by technical solution below, for above
The fueller peculiar to vessel, the system further include remote control, and remote control includes the touch-control that remote port is arranged
The input terminal of screen, touch screen and Master Control Unit is wirelessly connected.
The technical problems to be solved by the invention can also be further realized by technical solution below, for above
The fueller peculiar to vessel, the system further include alarm information processing mechanism, and alarm information processing mechanism includes sound-light alarm
Device, combined aural and visual alarm are connect with Master Control Unit.
The technical problems to be solved by the invention can also be further realized by technical solution below, for above
The fueller peculiar to vessel, the system further include the flowmeter being mounted on fueller oil feed line peculiar to vessel and filter from clear
Device.
The technical problems to be solved by the invention can also be further realized by technical solution below, for above
The fueller peculiar to vessel, the system further include the liquidometer being mounted on the Oil Tank of fueller peculiar to vessel and automatic exhaust
Valve.
The technical problems to be solved by the invention can also be further realized by technical solution below, for above
The fueller peculiar to vessel, the Master Control Unit include controller, controller PLC.
The technical problems to be solved by the invention can also be further realized by technical solution below, a kind of peculiar to vessel
Fueller control method, this method use above-described fueller control system peculiar to vessel, and method includes:
(1) one-touch fuel oil is selected and smoothly switched: when switching fuel oil, Master Control Unit passes through viscosity sensor, temperature in real time
Sensor detects the temperature and viscosity of fuel oil, according to the aperture of the smooth control fuel oil switching valve of the variation of temperature, viscosity, so that
Fuel oil temperature change per minute is no more than 2 DEG C, and viscosity change is no more than 1cSt per minute；
(2) real time viscosity monitors: user presets the viscosity number of needs, and Master Control Unit is detected by viscosity sensor in real time
The viscosity of fuel oil, when viscosity is higher than the viscosity number of setting, Master Control Unit controls radiator valve movement, increases quantity of steam, reduces
The viscosity of fuel oil；In viscosity number of the viscosity lower than setting, Master Control Unit controls radiator valve movement, reduces quantity of steam, increases
The viscosity of fuel oil；So that fuel oil viscosity change per minute is no more than 1cSt；
(3) real time temperature monitoring: user presets the temperature value of needs, and Master Control Unit is detected by temperature sensor in real time
The temperature of fuel oil, when temperature is higher than the temperature value of setting, Master Control Unit controls cooler valve events, increases fuel oil and passes through cooling
The ratio of device and bypass reduces the temperature of fuel oil；In temperature value of the temperature lower than setting, Master Control Unit controls cooler valve actuation
Make, reduces the ratio that fuel oil passes through cooler and bypass, increase the temperature of fuel oil；So that fuel oil temperature change per minute is no more than
2℃。
Compared with prior art, fueller control system peculiar to vessel of the invention is controlled by pump group control mechanism, viscosity
Mechanism, temperature control device, alarm information processing mechanism, remote control and fuel oil switching mechanism and Master Control Unit cooperate
Realize the one key switching of fuel oil, smoothly switch, temperature and viscosity-adjusting agent, oil pump automatically switch, long-range control and warning message
Repair function；It is realized especially by the cooperation of viscosity sensor and radiator valve and the viscosity of fuel oil is controlled, instead of existing
Viscosity controller in technology greatly reduces the cost of oil-feeding control system peculiar to vessel.The system designs reasonable, the degree of automation
Height, can be realized fuel oil smoothly switch and temperature, viscosity-adjusting agent, effectively prevent the analysis generated because temperature change is big
Cured phenomenon, it is ensured that the reliability of system.
Detailed description of the invention
Fig. 1 is a kind of structural block diagram of the invention；
Fig. 2 is the structural block diagram of present invention input switching mechanism；
Fig. 3 is the structural block diagram of pump group control mechanism of the present invention；
Fig. 4 is viscosity control flow chart of the present invention；
Fig. 5 is temperature control flow figure of the present invention；
Fig. 6 is fuel oil switching flow figure of the present invention；
Fig. 7 is alarm information processing flow chart of the present invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, right below in conjunction with attached drawing of the present invention
Technical solution in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is a part of the invention
Embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making wound
Every other embodiment obtained under the premise of the property made labour, shall fall within the protection scope of the present invention.
Referring to Fig.1-7, the main control object of fueller control system peculiar to vessel of the application includes: screw rod pump group, from clearly
Filter, electric switching valve, temperature control valve (TCV), flowmeter, viscosity sensor, pressure sensor, temperature sensor, liquidometer, from
Dynamic exhaust valve.
The application propose fueller control system peculiar to vessel can be realized the one key switching of three kinds of fuel oils, smoothly switch,
Thus the repairing function of temperature and viscosity-adjusting agent, oil pump automatic switchover, long-range control and warning message totally divides control system
For input switching mechanism, pump group control mechanism, viscosity control mechanism, temperature control device, alarm information processing mechanism, long-range control
Mechanism processed and fuel oil switching mechanism.
1) input switching mechanism: input switching mechanism main flow be by identify touch screen oil product selection instruction,
Then it is carried out forward or reverse according to the motor of instruction selection triple valve, to be risen or fallen with ovable valve stem, when valve rod is mobile
Then valve from state A becomes state B completely when to extreme position, while generating limit signal and being supplied to PLC, and PLC issues instruction
To touch screen to show current oil product type.
2) pump group control mechanism: pump group control mechanism is used to detect the operating status of pump, if there is failure or other originals
The hypotony phenomenon because caused by, then cut-in stand-by pumps, and generates alarm signal.
3) viscosity control mechanism: the viscosity of fuel oil is controlled by the method realization that pid parameter is adjusted, control system
By monitoring current fuel-viscosity variation signal, the setting value of comparison system drives the movement of temperature control adjusting valve to reach suitable
Range of viscosities.
4) temperature control device: being similar to viscosity control mechanism, is realized by the method that setting pid parameter is adjusted to fuel oil
Viscosity controlled, control system drives temperature control tune by monitoring current fuel-viscosity variation signal, the setting value of comparison system
The movement of valve is saved to reach suitable range of viscosities.
5) alarm information processing mechanism: after alarm information processing mechanism pre-processes current warning message (on-off signal)
It is delivered to the process that touch screen is accurately shown.
6) remote control: being arranged one piece of touch screen in remote port, realizes correlation function by the operation of touch screen, together
When have corresponding display capabilities.Remote port touch screen is communicated by network interface with local touch screen.Two pieces of touch screens all may be used
PLC is sent instructions to will operate, PLC controls equipment state, and equipment state feeds back information to PLC when changing, and PLC makes
Status information is sent after relevant response to local and remote touch screen.
7) fuel oil switching mechanism: by selecting type of fuel, control system receives fuel oil switching command, drives automatically controlled valve actuation
Make, in action process, according to the rate of change of the temperature of fuel oil and viscosity, voluntarily control valve movement speed, realizes combustion
Oil smoothly switches.
The oil-feeding control method peculiar to vessel of the application:
1) one-touch fuel oil is selected and smoothly switched: current fueller manufacturer peculiar to vessel largely uses manual switching mode, right
In the equipment for there are 3 kinds of fuel oils, manual switching fuel oil switching valve twice is needed, which may be implemented HFO, MDO and MGO
Oneself of two fuel and electric motor switching valves may be implemented by fuel states different on selection touch screen in automatic one-touch switching
Dynamic switching leads to the change dramatically of fuel oil temperature and viscosity since manual switching is not easily controlled the smoothness of switching in the process,
" analysis wax " phenomenon is generated, causes pressure difference to become larger, impacts the filtration system of fueller and pump group, reduce the use of equipment
In the service life, in order to avoid occurring this phenomenon in fuel oil conversion process, which adjusts fuel oil by the application of electric switching valve
The time of conversion process, so that fuel oil smoothly switches enough, general viscosity change is no more than 1cSt/min, and temperature change is no more than
2 DEG C/min, smoothly switching for fuel oil is ensured that in this way.
(2) real time viscosity monitors: radiator valve is arranged in the heated inlet of heater, for controlling the steam for entering heater
The size of amount, temperature control valve (TCV), viscosimeter, viscosity control mechanism realize the viscosity control of fuel oil jointly.Wherein, viscosimeter is used
Actual viscosity in pipeline is detected, and converts electric signal for it and is supplied to viscosity control mechanism, which can compare works as
After preceding viscosity number and user setting viscosity number, if actual viscosity is higher than setting value, fueller control system will
The aperture of radiator valve is increased, so that quantity of steam increases, to reduce the viscosity of fuel oil, the response time of real time viscosity control is less than
0.5min, precision are 0.1 cSt, realize the real time monitoring of fuel-viscosity variation.
(3) real time temperature monitoring: for HFO, real time temperature control corresponds to other the one of real time viscosity control
Kind mode, for the fuel oil of fixed label, there are one-to-one relationship, control principle and viscosity for the temperature and viscosity of fuel oil
It controls similar.For MDO and MGO, real time temperature control is the cooler valve acted on after cooler, the cooler
The effect of valve is the ratio for controlling fuel oil and passing through cooler and bypass.Temperature sensor acquires the temperature of fuel oil, and sets in system
The reasonable temperature value set is compared, and when fuel oil temperature is lower, which will increase radiator valve (HFO
Mode) aperture or reduce fuel oil by the ratio of plate cold (MDO, MGO mode), which is less than 0.5min,
Precision is 0.1 DEG C, to realize the real time monitoring of temperature.
HFO:Heavry fuel oil, heavy fuel oil peculiar to vessel, ship most commonly used fuel oil in the application；MDO:
Marine diesel oil, marine diesel oil use when into specified sea areas or harbour；MGO:Marine gas oil, it is peculiar to vessel
Light diesel fuel uses when into specified sea areas or harbour；
Present invention principle:
The system use PLC+ touch screen control model, select Siemens Company S7 200smart series of PLC Master Control Unit and
Its extended function module, its integrated level height, reliable in quality, technologically advanced, extension is convenient, provides network interface and PPI communication connects
Mouthful, can easily it be connected with smart machines such as computer, touch screens, control principle is as shown in Figure 1.To each oil pump, valve,
All electrical equipments such as sensor carry out operation control and management, to guarantee the normal work of whole system, realize human-computer interaction,
Run the functions such as manipulation, fault alarm, data query and record, realize the viscosity control, temperature control, pump group of fuel oil control,
The functions such as alarm information processing, long-range control.
The system regulates and controls temperature, viscosity using PID, and PID controller is according to PID control principle to entire control
System carries out bias adjustment, so that the predetermined value for requiring the actual value of controlled variable with technique is consistent, different control laws
Suitable for different production processes, it is necessary to reasonably select corresponding control law, otherwise expected control will be not achieved in PID controller
Effect processed；PID controller (proportional-integral derivative controller) is made of proportional unit P, integral unit I and differentiation element D,
By Kp, the setting of tri- parameters of Ki, Kd, PID controller is primarily adapted for use in substantially linear and dynamic characteristic does not change over time
System；
PID controller is a common feedback loop component in Industry Control Application, this controller is the number being collected into
It is compared according to a reference value, then this difference for calculating new input value, the purpose of this new input value
It is that the data of system can be allowed to reach or be maintained at reference value, system can be made more accurate in this way, it is more stable.It can lead to
The method for crossing mathematics proves, other control methods cause system have steady state error or process repeatedly in the case where, a PID is anti-
The stabilization of system can be kept by being fed back to road but.
The present invention adjusts the adjusting of fuel oil temperature and viscosity using PID, is respectively output with temperature or viscosity, with valve
Aperture is input, PID relational expression is established, and measure coefficient according to experiment, to meet demand for control；So that this system detects fuel tank
Interior temperature change is lower than 2 DEG C/min, and viscosity change is less than 1cst/min, the variation speed that controller passes through detection temperature or viscosity
Degree, adjusts the aperture of oil circuit electric control valve, to control temperature change and viscosity change is maintained at a stable numerical value, allows
System keeps stablizing.
Detailed process is that the control system peculiar to vessel controls the movement of cooler valve, radiator valve by output pulse signal,
Viscosity, the temperature sensor at equipment export end, real-time monitoring viscosity and temperature signal are set, with system setting target value into
Row compares, and when actual value and system settings gap are larger, control system will export long pulse signal, drives cooler valve or adds
The movement of hot device valve；When actual measured value and system settings are close, then the pulse signal of system output is shorter and shorter, carries out cold
But the fine tuning of device valve or radiator valve, until actual measured value is in the zone of reasonableness of setting value.
Compared with prior art, advantages of the present invention and technical effect:
1) one-touch to smoothly switch fuel oil, avoid the cured phenomenon of analysis generated because temperature change is big；
2) two-mode field of temperature and viscosity, it is ensured that the reliability of control system；
3) viscosity and temperature control are integrated in fueller control system, are reduced control system's development cost, are improved control
The integrated level of system；
4) fueller peculiar to vessel is remotely monitored is all made of electric control valve, realizes remote operation, improve with control, critical valves
Automatization level.
Claims (7)
1. a kind of fueller control system peculiar to vessel, it is characterised in that: the system includes:
Fuel oil switching mechanism, fuel oil switching mechanism include the fuel oil switching valve being mounted on fueller contaminated product pipeline peculiar to vessel；
Pump group control mechanism, pump group control mechanism include the supply pump and pressure being set on fueller contaminated product pipeline peculiar to vessel
Table；
Viscosity control mechanism, viscosity control mechanism include that viscosity sensor enters with the heating for being mounted on fueller heater peculiar to vessel
The radiator valve of mouth, viscosity sensor are arranged on the oil feed line of fueller peculiar to vessel；
Temperature control device, temperature control device include temperature sensor and are mounted at fueller cooler outlet peculiar to vessel
Cooler valve, temperature sensor are arranged on the oil feed line of fueller peculiar to vessel；
Master Control Unit, viscosity sensor, temperature sensor are connect with the input terminal of Master Control Unit, supply pump, pressure gauge, heating
Device valve, cooler valve, fuel oil switching valve are connect with the output end of Master Control Unit.
2. fueller control system peculiar to vessel according to claim 1, it is characterised in that: the system further includes remotely controlling
Mechanism, remote control include the touch screen that remote port is arranged, the input terminal wireless connection of touch screen and Master Control Unit.
3. fueller control system peculiar to vessel according to claim 1, it is characterised in that: the system further includes warning message
Processing mechanism, alarm information processing mechanism include combined aural and visual alarm, and combined aural and visual alarm is connect with Master Control Unit.
4. fueller control system peculiar to vessel according to claim 1, it is characterised in that: the system further includes being mounted on ship
With the flowmeter on fueller oil feed line and from secondary cleaner.
5. fueller control system peculiar to vessel according to claim 1, it is characterised in that: the system further includes being mounted on ship
With the liquidometer and automatic exhaust steam valve on the Oil Tank of fueller.
6. fueller control system peculiar to vessel according to claim 1, it is characterised in that: the Master Control Unit includes control
Device, controller PLC.
7. a kind of fueller control method peculiar to vessel, it is characterised in that: this method uses as claimed in any one of claims 1 to 6 described
Fueller control system peculiar to vessel, method include:
(1) one-touch fuel oil is selected and smoothly switched: when switching fuel oil, Master Control Unit passes through viscosity sensor, temperature in real time
Sensor detects the temperature and viscosity of fuel oil, according to the aperture of the smooth control fuel oil switching valve of the variation of temperature, viscosity, so that
Fuel oil temperature change per minute is no more than 2 DEG C, and viscosity change is no more than 1cSt per minute；
(2) real time viscosity monitors: user presets the viscosity number of needs, and Master Control Unit is detected by viscosity sensor in real time
The viscosity of fuel oil, when viscosity is higher than the viscosity number of setting, Master Control Unit controls radiator valve movement, increases quantity of steam, reduces
The viscosity of fuel oil；In viscosity number of the viscosity lower than setting, Master Control Unit controls radiator valve movement, reduces quantity of steam, increases
The viscosity of fuel oil；So that fuel oil viscosity change per minute is no more than 1cSt；
(3) real time temperature monitoring: user presets the temperature value of needs, and Master Control Unit is detected by temperature sensor in real time
The temperature of fuel oil, when temperature is higher than the temperature value of setting, Master Control Unit controls cooler valve events, increases fuel oil and passes through cooling
The ratio of device and bypass reduces the temperature of fuel oil；In temperature value of the temperature lower than setting, Master Control Unit controls cooler valve actuation
Make, reduces the ratio that fuel oil passes through cooler and bypass, increase the temperature of fuel oil；So that fuel oil temperature change per minute is no more than
2℃。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811491288.1A CN109581958A (en) | 2018-12-07 | 2018-12-07 | A kind of fueller control system peculiar to vessel and method |
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|---|---|---|---|
| CN201811491288.1A CN109581958A (en) | 2018-12-07 | 2018-12-07 | A kind of fueller control system peculiar to vessel and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113240962A (en) * | 2021-03-01 | 2021-08-10 | 刘春海 | Automatic temperature-regulating physical simulation operation system for main machine cooling water |
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| CN209044363U (en) * | 2018-12-07 | 2019-06-28 | 连云港杰瑞深软科技有限公司 | A kind of fueller control system peculiar to vessel |
Cited By (1)
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| CN113240962A (en) * | 2021-03-01 | 2021-08-10 | 刘春海 | Automatic temperature-regulating physical simulation operation system for main machine cooling water |
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Application publication date: 20190405 |