CN111750278A - Ship oil tank liquid level monitoring and protecting system - Google Patents
Ship oil tank liquid level monitoring and protecting system Download PDFInfo
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- CN111750278A CN111750278A CN202010748031.0A CN202010748031A CN111750278A CN 111750278 A CN111750278 A CN 111750278A CN 202010748031 A CN202010748031 A CN 202010748031A CN 111750278 A CN111750278 A CN 111750278A
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- 239000007788 liquid Substances 0.000 title claims abstract description 92
- 238000012544 monitoring process Methods 0.000 title claims abstract description 18
- 239000000446 fuel Substances 0.000 claims abstract description 80
- 239000002828 fuel tank Substances 0.000 claims abstract description 38
- 239000003921 oil Substances 0.000 claims description 73
- 239000000295 fuel oil Substances 0.000 claims description 45
- 238000012546 transfer Methods 0.000 claims description 10
- 230000000007 visual effect Effects 0.000 claims description 9
- 238000004062 sedimentation Methods 0.000 claims description 4
- 238000012790 confirmation Methods 0.000 abstract 1
- 238000001556 precipitation Methods 0.000 description 6
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005429 filling process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D3/00—Arrangements for supervising or controlling working operations
- F17D3/01—Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of a product
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P13/00—Indicating or recording presence, absence, or direction, of movement
- G01P13/02—Indicating direction only, e.g. by weather vane
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D9/00—Level control, e.g. controlling quantity of material stored in vessel
- G05D9/12—Level control, e.g. controlling quantity of material stored in vessel characterised by the use of electric means
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluid Mechanics (AREA)
- Automation & Control Theory (AREA)
- Loading And Unloading Of Fuel Tanks Or Ships (AREA)
Abstract
The invention discloses a monitoring and protecting system for the liquid level of a ship oil tank. The system comprises a plurality of liquid level switches, wherein the liquid level switches are arranged on each fuel tank, the liquid level switches are sequentially connected with a controller and a relay control unit, the relay control unit is connected with an electric valve control circuit and an alarm, a tank inlet valve and a tank inlet electric valve are arranged on tank inlet oil, two ends of the tank inlet valve and two ends of the tank inlet electric valve are connected in parallel with a protection electric valve, a tank inlet oil pipe is connected with a fuel filling port through a filling flow switch and a filling valve, when the liquid level of a certain fuel tank exceeds the liquid level switches, the controller controls the tank inlet electric valve of the fuel tank to be closed and controls the alarm to give an alarm, and the protection electric valves of the fuel tanks of which the other liquid levels are lower. The invention can send out alarm to remind the staff to take measures, can also prevent the fuel from overflowing in the full compartment during the internal lightering period of the ship, and can display the inlet and outlet states of the fuel in the fuel compartment through the display lamp unit, thereby being convenient for observation and confirmation.
Description
Technical Field
The invention relates to the technical field of monitoring and protecting the liquid level of a ship oil tank, in particular to a system for monitoring and protecting the liquid level of the ship oil tank.
Background
The fuel oil is the main fuel on the ship, generally is filled on a port refueling wharf, or is filled through a refueling ship, in the fuel oil filling process, the fuel oil is generally filled to each fuel oil cabin one by one, in the filling process, the intermittent measurement of a dip rod is manually adopted to observe the change of the liquid level in the fuel oil cabin, and when the fuel oil is filled to a certain liquid level, the fuel oil is filled to the next fuel oil cabin through the control of a valve. Because no related protection measures exist, the liquid level is measured only by manpower, and certain risks exist, for example, after the fuel oil is filled into the fuel oil cabin, the fuel oil can overflow from a ventilating cap at the top of the fuel oil cabin, so that not only is energy waste caused, but also the overflowed fuel oil can flow into water from a floor drain on a deck, and the water quality is polluted. Therefore, improvements are needed.
Disclosure of Invention
The invention aims to provide a monitoring and protecting system for the liquid level of a ship oil tank aiming at the defects in the prior art.
In order to achieve the purpose, the invention provides a ship oil tank liquid level monitoring and protecting system which comprises a plurality of liquid level switches, wherein the liquid level switches are arranged on each fuel oil tank one by one, the liquid level switches are connected with a controller, the controller is connected with a relay control unit, the relay control unit is connected with an electric valve control circuit and an alarm, each fuel oil tank is respectively connected with an oil outlet pipe and an oil inlet pipe, the oil inlet pipe is provided with an inlet valve and an inlet electric valve, two ends of the inlet valve and the inlet electric valve are connected with a protecting electric valve in parallel, the inlet electric valve and the protecting electric valve are respectively connected with the electric valve control circuit, the inlet oil pipe is connected with a fuel oil filling port through a filling flow switch and a filling valve, the filling flow switch is connected with the controller, the inlet valve is in a normally open state, the protecting electric valve is in a normally closed state, the filling flow switch is used for detecting whether fuel filling operation is performed currently, if yes, when the liquid level of a certain fuel tank exceeds the liquid level switch, the controller outputs a protection control signal to control the closing of an entering cabin electric valve of the fuel tank and control the alarm to give an alarm, and controls the opening of protection electric valves of other fuel tanks with liquid levels lower than the liquid level switch to fill fuel into other fuel tanks.
Further, it is connected with the fuel transportation pump to go out cabin oil pipe through valve and pipeline, the fuel transportation pump is refuted through valve and pipeline and each fuel compartment's income cabin valve and precipitation cabin and is connected, level switch still sets up on precipitation cabin, relay control unit still refutes transportation pump control circuit with the fuel and is connected, works as when the liquid level of fuel cabin and precipitation cabin exceedes its level switch, controller output protection control signal to the control alarm sends the warning and the fuel transportation pump is refuted and is shut down.
Further, an entry flow switch and an exit flow switch are respectively arranged on the entry oil pipe and the exit oil pipe, the entry flow switch and the exit flow switch are respectively connected with the controller, the relay control unit is connected with an indicator light unit, and the indicator light unit displays the fuel oil entry and exit states of the oil tanks according to the entry flow switch and the exit flow switch.
Further, the precipitation cabin has the fuel to divide the oil machine through valve and tube coupling, the fuel divides the oil machine to have the daily oil cabin through valve and tube coupling, level switch still sets up on the daily oil cabin, relay control unit still with divide oil machine control circuit to be connected, work as when the liquid level in daily oil cabin surpassed level switch, the controller output protection control signal to control alarm sends the warning and the fuel divides the oil machine to shut down.
Further, the controller includes a programmable controller.
Further, the model of the in-cabin flow switch and the out-cabin flow switch is WFS22025 BE.
Furthermore, the alarm is an audible and visual alarm, and the type of the audible and visual alarm is STSG-06S.
Furthermore, the model of the cabin entering electric valve and the protecting electric valve is MBY-10.
Has the advantages that: according to the invention, the liquid level switches are arranged on the fuel oil cabins, the cabin entering electric valve and the protection electric valve are arranged on the fuel oil pipeline system, when the liquid level in the fuel oil cabins reaches the liquid level switches, the liquid level switches are fed back to the controller by switching value signals, so that the controller controls the corresponding cabin entering electric valve and the protection electric valve to act, fuel oil is temporarily filled into other fuel oil cabins with lower liquid levels, an alarm is sent to remind a worker to take measures, the fuel oil can be prevented from overflowing in the full cabin during the internal lightering of a ship, the delivery direction of the fuel oil is detected by arranging the flow switches, and the display lamp unit can display the inlet and outlet states of the fuel oil in the fuel oil cabins according to the signals provided by the flow switches, so.
Drawings
FIG. 1 is an electrical schematic diagram of a marine vessel tank level monitoring and protection system according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a pipeline system of the ship oil tank liquid level monitoring and protecting system according to the embodiment of the invention.
Detailed Description
The present invention will be further illustrated with reference to the accompanying drawings and specific examples, which are carried out on the premise of the technical solution of the present invention, and it should be understood that these examples are only for illustrating the present invention and are not intended to limit the scope of the present invention.
As shown in fig. 1 and 2, an embodiment of the invention provides a monitoring and protecting system for a liquid level of a ship oil tank, which comprises a plurality of liquid level switches 1, wherein the liquid level switches 1 are arranged on each fuel oil tank one by one, the liquid level switches 1 are connected with a controller 2, the controller 2 is connected with a relay control unit 3, and the relay control unit 3 is connected with an electric valve control circuit 4 and an alarm 5. The liquid level switch 1 can adopt different models according to different positions of the fuel oil cabin, and can adopt a floating ball type liquid level switch, the preferable model of the side-mounted liquid level switch is UQK-65-C, and the preferable model of the top-mounted liquid level switch is UQK-652-C. The controller 2 can be a single chip microcomputer, and preferably adopts a programmable controller. The relay control unit 3 comprises a plurality of relays, and the controller 2 controls different relays to work to realize different control actions.
An embodiment with four fuel compartments is illustrated in fig. 2, the four fuel compartments are respectively a 1# fuel compartment, a 2# fuel compartment, a 3# fuel compartment and a 4# fuel compartment, each fuel compartment is connected with an outlet oil pipe and an inlet oil pipe, arrows in the figure illustrate the flowing directions of fuel in the outlet oil pipe and the inlet oil pipe, and LS1 to LS4 respectively represent level switches on the 1# fuel compartment and the 4# fuel compartment.
The cabin inlet oil is provided with a cabin inlet valve and a cabin inlet electric valve, specifically, a cabin inlet oil pipe of the 1# fuel cabin is connected with a cabin inlet valve V7 and a cabin inlet electric valve EV1, a cabin inlet oil pipe of the 2# fuel cabin is connected with a cabin inlet valve V8 and a cabin inlet electric valve EV3, a cabin inlet oil pipe of the 3# fuel cabin is connected with a cabin inlet valve V9 and a cabin inlet electric valve EV5, and a cabin inlet oil pipe of the 4# fuel cabin is connected with a cabin inlet valve V10 and a cabin inlet electric valve EV 7. Two ends of the cabin inlet valve V7 and the cabin inlet electric valve EV1 are connected with a protection electric valve EV2 in parallel, two ends of the cabin inlet valve V8 and the cabin inlet electric valve EV3 are connected with a protection electric valve EV4 in parallel, two ends of the cabin inlet valve V9 and the cabin inlet electric valve EV5 are connected with a protection electric valve EV6 in parallel, and two ends of the cabin inlet valve V10 and the cabin inlet electric valve EV8 are connected with a protection electric valve EV8 in parallel. The model of the cabin entering electric valve and the protecting electric valve is preferably MBY-10. The upper cabin inlet electric valve and the protection electric valve are respectively connected with the electric valve control circuit 4, and each cabin inlet oil pipe is connected with a fuel filling port FFP through a filling flow switch FS9 and a filling valve V12. When fuel is filled, the filling pipeline is connected to the fuel filling port FFP, and then the filling valve V12 and the corresponding cabin inlet valve of the fuel cabin are opened, so that the fuel cabin can be filled with fuel. The filling flow switch FS9 is connected with the controller 2, and during the fuel filling operation, the filling flow switch FS9 provides a switching value signal for the controller to judge whether the fuel filling operation is performed currently. The cabin entering electric valve is in a normally open state, the protecting electric valve is in a normally closed state, and further, during refueling operation, fuel enters from the fuel filling port FFP and then sequentially passes through the filling valve V12, the filling flow switch FS9, the cabin entering valve and the cabin entering electric valve to reach a specified fuel cabin. Under the working condition of fuel filling operation, when the liquid level of a certain fuel tank exceeds a liquid level switch, the controller outputs a protection control signal to control the closing of an entering cabin electric valve of the fuel tank and control the alarm 5 to give an alarm, and simultaneously controls the opening of protection electric valves of other fuel tanks with the liquid levels lower than the liquid level switch so as to fill fuel into other fuel tanks. Specifically, if the fuel liquid level of the No. 1 fuel tank exceeds a liquid level switch LS1, the controller 2 controls the electric inlet valve EV1 to be closed, and if the liquid level of the No. 2 fuel tank is below the liquid level switch LS2 and the liquid levels of the No. 3 fuel tank and the No. 4 fuel tank respectively reach the liquid levels of the liquid level switch LS3 and the liquid level switch LS4, the controller 2 simultaneously controls the protection electric valve EV4 to be opened, so that the fuel is filled into the No. 2 fuel tank through the protection electric valve EV4, and the fuel is prevented from being filled into the No. 1 fuel tank continuously to cause overflow. The alarm 5 is preferably an audible and visual alarm, the preferred model is STSG-06S, and two audible and visual alarms can be adopted, one audible and visual alarm is arranged in the engine room, and the other audible and visual alarm is arranged near the fuel filling port FFP and is respectively used for giving audible and visual alarm prompts to operators on duty in the engine room and on duty on site. It should be noted that, in order to avoid false alarm caused by shaking of the liquid level switch 1 under the wind and wave conditions, the controller may set the delay output control, for example, set the delay 3S, and when the liquid level switch 1 detects that the liquid level reaches the alarm position, the controller 2 delays 3S to output the protection control signal. Under the condition of not setting time delay, the installation position of the liquid level switch 1 is the alarm liquid level, if the time delay is set, a certain redundancy quantity is reserved on the installation height of the liquid level switch 1, and the fuel cannot continuously overflow in the time delay.
The controller 2 can also set the protection priority of the fuel tanks through circuit logic, and if the liquid levels of a plurality of fuel tanks are all below the liquid level switches, the corresponding protection electric valve can be controlled to be opened according to the protection priority. Specifically, for example, the protection priority of the 1# fuel tank is higher than that of the 2# fuel tank, the protection priority of the 2# fuel tank is higher than that of the 3# fuel tank, the protection priority of the 3# fuel tank is higher than that of the 4# fuel tank, when the liquid level of the 1# fuel tank reaches the liquid level switch LS1, if the liquid level of the 2# fuel tank is below the liquid level switch LS2, the protection electric valve EV4 is directly controlled to be opened, if the liquid level of the 2# fuel tank reaches the position of the liquid level switch LS2 at the moment, and the liquid levels of the 3# fuel tank and the 4# fuel tank are respectively below the liquid level switches thereof, the protection electric valve EV6 is controlled to be opened according to the protection priority, and the like.
In order to prevent full cabin overflow when fuel is transferred among various cabins in a ship, the cabin outlet oil pipe is connected with a fuel transfer pump P1 through a valve and a pipeline, specifically, the cabin outlet oil pipe of a 1# fuel cabin is connected with the fuel transfer pump P1 through a cabin outlet valve V1 and a pump inlet valve V5, the cabin outlet oil pipe of a 2# fuel cabin is connected with the fuel transfer pump P1 through a cabin outlet valve V2 and a pump inlet valve V5, the cabin outlet oil pipe of a 3# fuel cabin is connected with a fuel transfer pump P1 through a cabin outlet valve V3 and a pump inlet valve V5, and the cabin outlet oil pipe of a 4# fuel cabin is connected with the fuel transfer pump P1 through a cabin outlet valve V4 and a pump inlet valve V5. The fuel lightering pump P1 is connected with the cabin inlet valve of the cabin inlet oil pipe of each fuel cabin through the pump outlet valve V6, the fuel lightering pump P1 is connected with the settling cabin through the pump outlet valve V6 and the valve V11, and further, the fuel lightering pump P1 can convey the fuel in the fuel cabin to other fuel cabins or settling cabins. The liquid level switch 1 is still set up on the precipitation cabin, and relay control unit 3 still is connected with fuel lighterage pump control circuit 6, and when the liquid level of fuel cabin and precipitation cabin exceeded its liquid level switch, controller 2 output protection control signal to control alarm 5 and send the warning, and control fuel lighterage pump P1 and shut down. Thereby avoiding overflowing when transferring fuel among the fuel tanks and preventing overflowing when the settling tank is full in the fuel using process.
In order to facilitate an operator to visually see the current fuel oil transportation state, a cabin inlet flow switch 7 and a cabin outlet flow switch 8 are respectively arranged on the cabin inlet oil pipe and the cabin outlet oil pipe. The model of the in-cabin flow switch 7 and the out-cabin flow switch 8 is preferably WFS22025BE, and other models can be selected according to needs. Specifically, a cabin inlet flow switch FS5 and a cabin outlet flow switch FS1 are respectively arranged on a cabin inlet oil pipe and a cabin outlet oil pipe of the 1# fuel cabin, a cabin inlet flow switch FS6 and a cabin outlet flow switch FS2 are respectively arranged on the cabin inlet oil pipe and the cabin outlet oil pipe of the 2# fuel cabin, a cabin inlet flow switch FS7 and a cabin outlet flow switch FS3 are respectively arranged on the cabin inlet oil pipe and the cabin outlet oil pipe of the 3# fuel cabin, and a cabin inlet flow switch FS8 and a cabin outlet flow switch FS4 are respectively arranged on the cabin inlet oil pipe and the cabin outlet oil pipe of the 4# fuel cabin. The cabin inlet flow switch 7 and the cabin outlet flow switch 8 are respectively connected with the controller 2, the relay control unit 3 is connected with an indicator light unit 9, the indicator light unit 9 comprises a plurality of indicator lights, and each indicator light displays the fuel inlet and outlet states of each oil cabin according to the cabin inlet flow switch 7 and the cabin outlet flow switch 8. For example, during the period that the fuel in the 3# fuel tank is transferred to the settling tank by the fuel transfer pump P1, the delivery flow switch FS3 detects that the 3# fuel tank is delivered, and the controller 2 outputs a control signal to the relay control unit 3 to control the 3# tank fuel delivery indicator lamp in the indicator lamp unit 9 to be turned on by controlling the corresponding relay actuation.
The sedimentation tank is connected with a fuel oil distribution machine FS through a valve V13 and a pipeline, the fuel oil distribution machine FS is connected with a daily oil tank through a valve V14 and a pipeline, a liquid level switch 1 is further arranged on the daily oil tank, a relay control unit 3 is further connected with an oil distribution machine control circuit 10, when the liquid level of the daily oil tank exceeds a liquid level switch LS6, a controller 2 outputs a protection control signal, and a control alarm 5 outputs a switching value signal through controlling the relay control unit 3 to control the alarm 5 to give an alarm and stop the fuel oil distribution machine FS. In a similar way, a flow switch can be arranged on the inlet and outlet pipelines of the settling tank and the daily oil tank, and the inlet and outlet states of the settling tank and the daily oil tank are displayed through the indicating lamp unit 9, so that the repeated description is omitted.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that other parts not specifically described are within the prior art or common general knowledge to those of ordinary skill in the art. Without departing from the principle of the invention, several improvements and modifications can be made, and these improvements and modifications should also be construed as the scope of the invention.
Claims (8)
1. A ship oil tank liquid level monitoring and protecting system is characterized by comprising a plurality of liquid level switches, wherein the liquid level switches are arranged on each fuel oil tank one by one, the liquid level switches are connected with a controller, the controller is connected with a relay control unit, the relay control unit is connected with an electric valve control circuit and an alarm, each fuel oil tank is respectively connected with an oil outlet pipe and an oil inlet pipe, the tank inlet oil is provided with a tank inlet valve and a tank inlet electric valve, two ends of the tank inlet valve and two ends of the tank inlet electric valve are connected with protecting electric valves in parallel, the tank inlet electric valve and the protecting electric valve are respectively connected with the electric valve control circuit, the tank inlet oil pipe is connected with a fuel oil filling port through a flow filling switch and a filling valve, the flow filling switch is connected with the controller, the tank inlet electric valve is in a normally open state, and the protecting electric valve is in a normally closed, the filling flow switch is used for detecting whether fuel filling operation is performed currently, if yes, when the liquid level of a certain fuel tank exceeds the liquid level switch, the controller outputs a protection control signal to control the closing of an entering cabin electric valve of the fuel tank and control the alarm to give an alarm, and controls the opening of protection electric valves of other fuel tanks with liquid levels lower than the liquid level switch to fill fuel into other fuel tanks.
2. The monitoring and protecting system for the liquid level of the ship oil tank of claim 1, wherein the oil pipe out of the tank is connected with the fuel oil transfer pump through a valve and a pipeline, the fuel oil transfer pump is connected with the tank inlet valve and the sedimentation tank of each fuel oil tank through a valve and a pipeline, the liquid level switch is further arranged on the sedimentation tank, the relay control unit is further connected with a fuel oil transfer pump control circuit, when the liquid levels of the fuel oil tank and the sedimentation tank exceed the liquid level switch thereof, the controller outputs a protection control signal to control the alarm to send out an alarm and stop the fuel oil transfer pump.
3. The ship oil tank liquid level monitoring and protecting system according to claim 2, wherein an entry flow switch and an exit flow switch are respectively arranged on the entry oil pipe and the exit oil pipe, the entry flow switch and the exit flow switch are respectively connected with a controller, the relay control unit is connected with an indicator light unit, and the indicator light unit displays the fuel oil entry and exit states of the oil tanks according to the entry flow switch and the exit flow switch.
4. The monitoring and protecting system for the liquid level of the ship oil tank is characterized in that the settling tank is connected with a fuel oil distributing machine through a valve and a pipeline, the fuel oil distributing machine is connected with a daily oil tank through a valve and a pipeline, the liquid level switch is further arranged on the daily oil tank, the relay control unit is further connected with an oil distributing machine control circuit, and when the liquid level of the daily oil tank exceeds the liquid level switch, the controller outputs a protection control signal to control the alarm to give an alarm and stop the fuel oil distributing machine.
5. The marine vessel cargo level monitoring protection system of claim 1, wherein the controller comprises a programmable controller.
6. The marine vessel cargo tank level monitoring protection system of claim 3, wherein the in-tank flow switch and the out-tank flow switch are model numbers WFS22025 BE.
7. The system for monitoring and protecting the liquid level of the oil tank of the ship as claimed in claim 1, wherein the alarm is an audible and visual alarm, and the type of the audible and visual alarm is STSG-06S.
8. The system for monitoring and protecting the liquid level of the oil tank of the ship as claimed in claim 1, wherein the model of the electric entry valve and the electric protection valve is MBY-10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010748031.0A CN111750278A (en) | 2020-07-30 | 2020-07-30 | Ship oil tank liquid level monitoring and protecting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010748031.0A CN111750278A (en) | 2020-07-30 | 2020-07-30 | Ship oil tank liquid level monitoring and protecting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111750278A true CN111750278A (en) | 2020-10-09 |
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ID=72712267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010748031.0A Withdrawn CN111750278A (en) | 2020-07-30 | 2020-07-30 | Ship oil tank liquid level monitoring and protecting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111750278A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110821728A (en) * | 2019-10-17 | 2020-02-21 | 舟山长宏国际船舶修造有限公司 | Device for improving separation effect of fuel oil separator |
| CN114017678A (en) * | 2021-11-05 | 2022-02-08 | 天津东方泰瑞科技有限公司 | Storage tank valve and shipboard pump valve interlocking control system and method |
-
2020
- 2020-07-30 CN CN202010748031.0A patent/CN111750278A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110821728A (en) * | 2019-10-17 | 2020-02-21 | 舟山长宏国际船舶修造有限公司 | Device for improving separation effect of fuel oil separator |
| CN114017678A (en) * | 2021-11-05 | 2022-02-08 | 天津东方泰瑞科技有限公司 | Storage tank valve and shipboard pump valve interlocking control system and method |
| CN114017678B (en) * | 2021-11-05 | 2022-06-07 | 天津东方泰瑞科技有限公司 | Storage tank valve and shipboard pump valve interlocking control system and method |
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Application publication date: 20201009 |