CN109374083B - Liquid level acquisition method and device for vertical oil tank and early warning system for receiving and transmitting oil level - Google Patents
Liquid level acquisition method and device for vertical oil tank and early warning system for receiving and transmitting oil level Download PDFInfo
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- CN109374083B CN109374083B CN201811290393.9A CN201811290393A CN109374083B CN 109374083 B CN109374083 B CN 109374083B CN 201811290393 A CN201811290393 A CN 201811290393A CN 109374083 B CN109374083 B CN 109374083B
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Abstract
The invention relates to a liquid level acquisition method and a liquid level acquisition device for a vertical oil tank, wherein the method comprises the following steps: determining the estimated liquid level of the target oil mass in the vertical oil tank; extracting the estimated oil quantity corresponding to the estimated liquid level from the database; acquiring initial oil quantity and acquiring the volume of unit liquid level of the vertical oil tank; calculating the liquid level deviation according to the initial oil quantity, the estimated oil quantity and the volume of the unit liquid level; and correcting the estimated liquid level by using the liquid level deviation to obtain the liquid level value of the target oil quantity. According to the liquid level acquisition method of the vertical oil tank, the estimated liquid level of the target oil quantity is corrected by the liquid level deviation, the liquid level corresponding to the target oil quantity is quickly and accurately obtained, the efficiency and the accuracy of acquiring the liquid level corresponding to the target oil quantity are improved, the liquid level value after oil receiving and sending operation can be efficiently and accurately determined in the oil receiving and sending process of the vertical oil tank, and the safety of the vertical oil tank operation is also improved. A vertical oil tank receiving and sending oil level early warning system and a computer readable storage medium are also provided.
Description
Technical Field
The invention relates to the technical field of oil tank monitoring, in particular to a liquid level acquisition method of a vertical oil tank, a liquid level acquisition device of the vertical oil tank, an early warning system for oil receiving and sending liquid levels of the vertical oil tank and a computer readable storage medium.
Background
In the process of managing the vertical oil tank, workers often need to monitor a plurality of data of the vertical oil tank in real time in a centralized control room to ensure the safe use of the vertical oil tank, and particularly need to monitor the related liquid level in the process of sending and receiving the oil from and to the vertical oil tank, for example, high liquid level detection and alarm equipment installed in the vertical oil tank is used to prevent accidents caused by tank pumping when the liquid level exceeds the upper limit, or low liquid level detection and alarm equipment is used to prevent accidents caused by pump pumping when the liquid level is too low.
The liquid level of the vertical oil tank after the oil receiving and sending operation is finished is usually estimated in advance when the oil receiving and sending operation is carried out on the vertical oil tank, the calculation mode provided by the traditional technology can only calculate the oil quantity by using a vertical oil tank oil storage quantity calculation formula, but can not directly carry out inverse operation through the preset oil receiving and sending quantity to obtain the corresponding liquid level, so that a worker generally sets an estimated liquid level first, inputs corresponding parameter data by using the vertical oil tank oil storage quantity calculation formula in a table look-up mode, and repeatedly sets the estimated liquid level for multiple times to obtain the liquid level of the target oil quantity. Due to the fact that a vertical oil tank oil storage quantity calculation formula is complex, the efficiency of calculating the liquid level of the target oil quantity is low, errors are prone to occurring, and operation safety of the vertical oil tank is affected.
Disclosure of Invention
In view of the above, it is necessary to provide a liquid level acquisition method for a vertical oil tank, a liquid level acquisition device for a vertical oil tank, a vertical oil tank oil receiving and sending liquid level early warning system, and a computer readable storage medium for solving the problem of low efficiency in the conventional technology.
A liquid level acquisition method for a vertical oil tank comprises the following steps:
determining the estimated liquid level of the target oil mass in the vertical oil tank;
extracting the estimated oil quantity corresponding to the estimated liquid level from a database; the database records the corresponding relation between the liquid level and the oil quantity of the vertical oil tank;
acquiring initial oil quantity and acquiring the volume of unit liquid level of the vertical oil tank; calculating the liquid level deviation according to the initial oil quantity, the estimated oil quantity and the volume of the unit liquid level;
and correcting the estimated liquid level by using the liquid level deviation to obtain the liquid level value of the target oil quantity.
The liquid level obtaining method of the vertical oil tank determines the estimated liquid level of the target oil quantity in the vertical oil tank, extracts the estimated oil quantity corresponding to the estimated liquid level from the database recorded with the corresponding relation between the liquid level and the oil quantity, calculates the liquid level deviation by using the obtained initial oil quantity, the unit liquid level of the vertical oil tank and the estimated oil quantity, corrects the estimated liquid level by the liquid level deviation to obtain the liquid level of the target oil quantity, corrects the estimated liquid level of the target oil quantity by the liquid level deviation, can obtain the liquid level according to the oil quantity of the vertical oil pipe, overcomes the defect that the traditional technology can not directly perform inverse operation on the oil quantity to obtain the corresponding liquid level, quickly and accurately obtains the liquid level corresponding to the target oil quantity, improves the efficiency and the accuracy of obtaining the liquid level corresponding to the target oil quantity, and can efficiently and accurately determine the liquid level value after oil receiving and sending operation in the process of oil receiving and sending of, the safety of the vertical oil tank operation is also improved.
In one embodiment, the step of determining the estimated level of the target oil quantity in the vertical oil tank comprises:
determining the estimated volume of the target oil quantity; and calculating the estimated liquid level of the target oil mass in the vertical oil tank according to the volume of the unit liquid level and the estimated volume.
In one embodiment, the step of determining the estimated volume of the target oil volume in the vertical oil tank comprises:
acquiring the target oil quantity, and acquiring the density value of the oil; and converting the target oil quantity into the estimated volume corresponding to the target oil quantity through a density formula according to the target oil quantity and the density value.
In one embodiment, the step of calculating the estimated liquid level of the target oil volume in the vertical oil tank according to the volume per liquid level and the estimated volume comprises the following steps:
calculating the ratio of the estimated volume to the volume of the unit liquid level; and setting the ratio as the estimated liquid level of the target oil quantity in the vertical oil tank.
In one embodiment, the step of obtaining the volume per liquid level of the vertical oil tank comprises:
determining the geometric characteristics of the vertical oil tank; acquiring the geometric parameters of the vertical oil tank according to the geometric characteristics of the vertical oil tank; and calculating the volume of the unit liquid level of the vertical oil tank according to the geometric parameters.
In one embodiment, the step of calculating the liquid level deviation according to the initial oil amount, the estimated oil amount and the volume per unit liquid level comprises:
the difference between the initial oil quantity and the estimated oil quantity is obtained to obtain an oil quantity deviation; obtaining the density value of the oil; converting the oil quantity deviation into a volume deviation corresponding to the oil quantity deviation through a density formula according to the oil quantity deviation and the density value; and setting the ratio of the volume deviation to the volume of the unit liquid level of the vertical oil tank as the liquid level deviation.
In one embodiment, the step of correcting the estimated liquid level by using the liquid level deviation to obtain the level value of the target oil amount includes:
a. extracting an initial level value corresponding to the initial oil quantity from the database;
b. carrying out difference operation on the initial liquid level value and the liquid level deviation to obtain a reference liquid level;
c. obtaining a deviation value of the estimated liquid level and the reference liquid level, and comparing the deviation value with a set threshold value; if the deviation value is less than or equal to the set threshold value, executing the step d; otherwise, executing step e;
d. setting the estimated liquid level as the liquid level value of the target oil quantity;
e. setting the reference liquid level as the estimated liquid level, extracting estimated oil quantity corresponding to the estimated liquid level from the database, calculating the liquid level deviation according to the initial oil quantity, the estimated oil quantity and the unit liquid level volume of the vertical oil tank, and executing steps b to c.
In one embodiment, the method further comprises the steps of:
determining the advance of liquid level alarm of the vertical oil tank; and setting the alarm liquid level of the vertical oil tank according to the lead and the liquid level value of the target oil quantity.
In one embodiment, a liquid level acquisition device for a vertical oil tank is provided, which comprises:
the determining module is used for determining the estimated liquid level of the target oil quantity in the vertical oil tank;
the extraction module is used for extracting the estimated oil quantity corresponding to the estimated liquid level from a database; the database records the corresponding relation between the liquid level and the oil quantity of the vertical oil tank;
the calculation module is used for acquiring initial oil quantity and acquiring the volume of the unit liquid level of the vertical oil tank; calculating the liquid level deviation according to the initial oil quantity, the estimated oil quantity and the volume of the unit liquid level;
and the acquisition module is used for correcting the estimated liquid level by using the liquid level deviation to acquire the liquid level value of the target oil quantity.
Above-mentioned liquid level acquisition device of vertical oil tank for the liquid level of estimating of target oil mass obtains the correction of liquid level deviation, can acquire the liquid level according to vertical oil pipe's oil mass, overcome the defect that traditional art can't directly carry out the inverse operation through receiving and dispatching oil mass and obtain corresponding liquid level, obtain the liquid level that this target oil mass corresponds fast and accurately, improved and acquireed the efficiency and the accuracy that the target oil mass corresponds the liquid level, at this vertical oil tank oil receiving and dispatching's in-process, can confirm the liquid level value after the oil receiving and dispatching operation high-efficiently and accurately, also improve the security of vertical oil tank operation.
In one embodiment, a vertical oil tank oil level early warning system is provided, which includes: the radar liquid level meter and the control system are in signal connection; wherein the content of the first and second substances,
the radar liquid level meter is arranged on the vertical oil tank and used for acquiring the real-time liquid level of the vertical oil tank in the oil receiving and sending process and sending the real-time liquid level to the control system;
the control system is configured to execute the liquid level acquisition method for the vertical oil tank according to any one of the above embodiments to acquire the early warning liquid level of the vertical oil tank, receive the real-time liquid level sent by the radar liquid level meter, and perform alarm processing according to the early warning liquid level and the real-time liquid level.
Above-mentioned vertical oil tank receiving and dispatching oil liquid level early warning system, control system signal connection is to the radar level gauge, control system can acquire the real-time liquid level of vertical oil tank through the radar level gauge, and report to the police according to the early warning liquid level of setting for and real-time liquid level and handle, improved efficiency and the accuracy of acquireing the corresponding liquid level of target oil mass on the one hand, on the other hand is at this vertical oil tank receiving and dispatching oil's in-process, can confirm the liquid level value behind the receiving and dispatching oil operation high-efficiently and accurately, also improve the security of vertical oil tank operation.
In one embodiment, a computer-readable storage medium is provided, on which a computer program is stored, which when executed by a processor implements the method for acquiring the liquid level of a vertical oil tank as described in any one of the above embodiments.
The computer storage medium enables the estimated liquid level of the target oil quantity to be corrected by liquid level deviation through the stored computer program, can acquire the liquid level according to the oil quantity of the vertical oil pipe, overcomes the defect that the traditional technology can not directly perform inverse operation through the oil receiving and sending quantity to obtain the corresponding liquid level, quickly and accurately obtains the liquid level corresponding to the target oil quantity, improves the efficiency and the accuracy of acquiring the liquid level corresponding to the target oil quantity, can efficiently and accurately determine the liquid level value after oil receiving and sending operation in the process of oil receiving and sending of the vertical oil tank, and also improves the safety of the operation of the vertical oil tank.
Drawings
Fig. 1 is a schematic view of an application scenario of a liquid level acquisition method for a vertical oil tank according to an embodiment;
FIG. 2 is a schematic flow diagram of a method for acquiring the liquid level of a vertical oil tank according to an embodiment;
FIG. 3 is a schematic structural diagram of a liquid level acquisition device of a vertical oil tank according to an embodiment;
fig. 4 is a schematic structural diagram of an oil level early warning system for sending and receiving oil in a vertical oil tank according to an embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The method for acquiring the liquid level of the vertical oil tank provided by the invention can be applied to the application scene shown in fig. 1, fig. 1 is an application scene schematic diagram of the method for acquiring the liquid level of the vertical oil tank 100 of an embodiment, in the application scene, a user can monitor the liquid level of the vertical oil tank 100 in real time through a monitoring terminal 200 of a monitoring room, the monitoring terminal 200 is in communication connection with a liquid level meter 300 arranged on the vertical oil tank 100, and by acquiring the real-time liquid level of the vertical oil tank 100 collected by the liquid level meter 300, for example, in the process of oil tank receiving and sending, the liquid level in the vertical oil tank 100 is lowered from the liquid level a to the liquid level B or is raised from the liquid level B to the liquid level a, when the user monitors that the liquid level reaches an early warning value through the monitoring terminal 200, the user can perform related early warning processing on the liquid level of the vertical oil tank, so as, the liquid level value after the oil receiving and sending operation can be accurately obtained by adopting the liquid level obtaining method of the vertical oil tank provided by the invention. The monitoring terminal 200 may be implemented by a personal computer or a server cluster formed by an independent server or a plurality of servers.
In an embodiment, a liquid level obtaining method for a vertical oil tank is provided, and referring to fig. 2, fig. 2 is a flowchart illustrating the liquid level obtaining method for a vertical oil tank according to an embodiment, which may be applied to the monitor terminal 200 in fig. 1 to obtain the liquid level of the vertical oil tank 100, and the liquid level obtaining method for a vertical oil tank may include the following steps:
and step S101, determining the estimated liquid level of the target oil quantity in the vertical oil tank.
The method mainly comprises the step of roughly estimating the liquid level of a target oil quantity in advance when the vertical oil tank is subjected to oil transceiving processing, wherein the target oil quantity is the oil quantity in the vertical oil tank after the oil transceiving processing is carried out on the vertical oil tank, and the estimated liquid level of the target oil quantity in the vertical oil tank is the liquid level of the oil quantity in the vertical oil tank after the oil transceiving processing.
Step S102, extracting the estimated oil quantity corresponding to the estimated liquid level from the database.
In this step, the database is used to record the corresponding relationship between the liquid level of the oil vertical oil tank and the oil amount, the database may be deployed in the monitoring terminal 200, and a user may access the database through the monitoring terminal 200 to query the corresponding relationship between the liquid level of the oil vertical oil tank and the oil amount, and extract the estimated oil amount corresponding to the estimated liquid level determined in step S101 from the database.
During the oil receiving and sending operation of the vertical oil tank, the corresponding relationship between the liquid level and the oil amount of the oil vertical oil tank is generally expressed by an oil amount calculation formula, and the corresponding oil amount can be calculated based on the liquid level by adopting the following calculation formula:
where m denotes the amount of oil, p, corresponding to the liquid level20Denotes the 20 ℃ standard density (which can be obtained by table look-up or calculation), VtThe apparent volume is shown (the value can be obtained by checking a tank capacity table through the liquid level), n indicates that the oil tank is a heat-insulating tank or a non-heat-insulating tank (corresponding to numerical values 3 and 2 in sequence), t indicates the actually measured temperature of the oil product in the tank, and VCF20And the correction coefficient of the oil volume is expressed (the correction coefficient can be obtained by looking up a table or calculating according to the material type), and G represents the quality of the floating plate (the correction coefficient can be obtained by looking up a tank capacity table).
Step S103, acquiring initial oil quantity and acquiring the volume of unit liquid level of the vertical oil tank; and calculating the liquid level deviation according to the initial oil quantity, the estimated oil quantity and the volume of the unit liquid level.
The initial oil amount is an amount of oil before the vertical oil tank performs the oil sending and receiving operation, the volume of the unit liquid level of the vertical oil tank is a volume corresponding to the unit liquid level of the oil in the vertical oil tank, and the liquid level deviation is a deviation value between the liquid level corresponding to the initial oil amount before the oil sending and receiving operation and the liquid level corresponding to the estimated oil amount after the oil sending and receiving operation.
In the step, the initial oil quantity is obtained, the volume of the unit liquid level of the vertical oil tank is obtained, and the liquid level deviation can be calculated according to the initial oil quantity before oil receiving and sending operation, the estimated oil quantity after the oil receiving and sending operation and the obtained volume of the unit liquid level of the vertical oil tank.
And S104, correcting the estimated liquid level by using the liquid level deviation to obtain the liquid level value of the target oil quantity.
The step S103 is mainly used to correct the estimated liquid level after receiving and sending oil according to the liquid level deviation, and the estimated liquid level can be adjusted when the difference between the liquid level deviation and the estimated liquid level is large, so as to obtain the target oil amount, i.e. the liquid level value corresponding to the oil amount in the vertical oil tank after receiving and sending oil.
The liquid level obtaining method of the vertical oil tank determines the estimated liquid level of the target oil quantity in the vertical oil tank, extracts the estimated oil quantity corresponding to the estimated liquid level from the database recorded with the corresponding relation between the liquid level and the oil quantity, calculates the liquid level deviation by using the obtained initial oil quantity, the unit liquid level of the vertical oil tank and the estimated oil quantity, corrects the estimated liquid level by the liquid level deviation to obtain the liquid level of the target oil quantity, corrects the estimated liquid level of the target oil quantity by the liquid level deviation, can obtain the liquid level according to the oil quantity of the vertical oil pipe, overcomes the defect that the traditional technology can not directly perform inverse operation on the oil quantity to obtain the corresponding liquid level, quickly and accurately obtains the liquid level corresponding to the target oil quantity, improves the efficiency and the accuracy of obtaining the liquid level corresponding to the target oil quantity, and can efficiently and accurately determine the liquid level value after oil receiving and sending operation in the process of oil receiving and sending of, the safety of the vertical oil tank operation is also improved.
In one embodiment, the step of determining the estimated level of the target oil in the vertical oil tank in step S101 may include:
determining the estimated volume of the target oil mass; and calculating the estimated liquid level of the target oil mass in the vertical oil tank according to the volume of the unit liquid level and the estimated volume.
The embodiment mainly calculates the estimated liquid level of the target oil mass in the vertical oil tank based on the estimated volume of the target oil mass. The volume of the target oil quantity after the oil is received and delivered by the oil tank can be calculated in advance, and the corresponding level value of the volume of the target oil quantity in the vertical oil tank can be calculated by combining the acquired volume of the unit liquid level of the vertical oil tank.
In one embodiment, the step of determining the estimated volume of the target oil amount in step S101 may further include:
acquiring a target oil quantity, and acquiring a density value of the oil; and converting the target oil quantity into an estimated volume corresponding to the target oil quantity through a density formula according to the target oil quantity and the density value.
Wherein the density formula is a formula for expressing the correlation among mass, volume and density, and can be represented by the formula
Where ρ represents density, M represents mass, and V represents volume. The embodiment mainly calculates the corresponding estimated volume of the target oil mass in the vertical oil tank according to the target oil mass. Before the vertical oil tank receives and sends oil, the oil quantity in the vertical oil tank after the oil is received and sent, namely the target oil quantity, can be determined, the density value of the oil can be obtained in a table look-up mode and the like, and the density is determined according to the target oil quantity and the density valueThe formula can obtain the corresponding relation among the oil quantity, the oil volume and the density, and the target oil quantity is converted into the estimated volume corresponding to the target oil quantity.
According to the method and the device, the estimated volume is obtained through the accurate target oil quantity, the accuracy of calculating the estimated volume is improved, the accuracy of estimating the estimated liquid level of the target oil quantity is guaranteed, and the accurate liquid level after oil receiving and sending is obtained.
In one embodiment, the step of calculating the estimated liquid level of the target oil volume in the vertical oil tank according to the volume per liquid level and the estimated volume in step S101 may further include:
calculating the ratio of the estimated volume to the volume of the unit liquid level; and setting the ratio as the estimated liquid level of the target oil quantity in the vertical oil tank.
In this embodiment, the ratio of the estimated volume corresponding to the target oil amount after oil sending and receiving to the volume of the unit liquid level of the vertical oil tank is mainly set as the estimated liquid level of the target oil amount in the vertical oil tank. The volume of the unit liquid level of the vertical oil tank can be accurately acquired by inquiring the related data table of the vertical oil tank, and the pre-estimated liquid level can be accurately pre-estimated by adopting the technical scheme, so that the accuracy of the pre-estimated data is improved.
In one embodiment, the step of acquiring the volume per liquid level of the vertical oil tank in step S103 may include:
determining the geometric characteristics of the vertical oil tank; acquiring geometric parameters of the vertical oil tank according to the geometric characteristics of the vertical oil tank; and calculating the volume of the unit liquid level of the vertical oil tank according to the geometric parameters.
The geometric characteristics refer to characteristics for describing the geometric shape of the vertical oil tank, and the geometric parameters refer to shape characteristic parameters of the vertical oil tank with the geometric characteristics, such as length, width, height and the like.
The embodiment calculates the volume of the unit liquid level of the vertical oil tank according to the geometric parameters by determining the geometric characteristics of the vertical oil tank and acquiring the geometric parameters of the vertical oil tank.
Generally, the vertical oil tank can be generally regarded as a cylinder, geometric parameters of the cylinder vertical oil tank, such as the diameter, the height and the like of the oil tank, can be obtained by looking up a tank design drawing, and the volume of the vertical oil tank can be calculated through a cylinder volume calculation formula so as to determine the volume of the unit liquid level of the vertical oil tank.
According to the technical scheme, the vertical oil tanks with different shapes and designs need to adopt different calculation modes to calculate the volume of the unit liquid level, the volume of the unit liquid level of the vertical oil tank is calculated based on the geometric characteristics of the vertical oil tank, the volume of the unit liquid level of the vertical oil tank can be accurately calculated by combining the actual shape of the vertical oil tank, and the accuracy of acquiring the liquid level value of the target oil quantity is improved.
In one embodiment, the step of calculating the liquid level deviation according to the initial oil amount, the estimated oil amount and the volume per liquid level in step S103 may include:
the difference between the initial oil quantity and the estimated oil quantity is obtained to obtain an oil quantity deviation; obtaining the density value of the oil; converting the oil quantity deviation into a volume deviation corresponding to the oil quantity deviation through a density formula according to the oil quantity deviation and the density value; the ratio of the volume deviation to the volume per liquid level of the vertical oil tank is defined as the liquid level deviation.
In this embodiment, the oil amount deviation is a deviation between an initial oil amount in the vertical oil tank before oil sending and receiving and an estimated oil amount after oil sending and receiving. In the embodiment, the oil quantity deviation is obtained by taking the difference between the initial oil quantity and the estimated oil quantity, the density value of the oil is obtained, the oil quantity deviation is converted into the volume deviation corresponding to the oil quantity deviation based on the density formula, namely the volume deviation corresponding to the oil quantity deviation before and after oil receiving and sending, and the ratio of the volume deviation to the volume of the unit liquid level of the vertical oil tank is set as the liquid level deviation.
According to the technical scheme, the accurate density formula and the volume of the unit liquid level of the vertical oil tank are utilized to calculate the corresponding liquid level deviation according to the oil quantity deviation of the initial oil quantity and the estimated oil quantity, and the accuracy of obtaining the liquid level value of the target oil quantity is further improved.
In one embodiment, the step of correcting the estimated liquid level by using the liquid level deviation in step S104 to obtain the liquid level value of the target oil amount may include:
a. extracting an initial level value corresponding to the initial oil quantity from the database;
the method mainly comprises the step of extracting an initial level value corresponding to an initial oil quantity before oil receiving and sending from a database.
b. And carrying out difference operation on the initial liquid level value and the liquid level deviation to obtain a reference liquid level.
And subtracting the deviation of the initial liquid level value and the liquid level to obtain a reference liquid level, namely a reference value of the estimated liquid level, wherein the reference value is used for estimating the liquid level to reference and adjusting according to the actual situation.
c. Acquiring a deviation value of the estimated liquid level and the reference liquid level, and comparing the deviation value with a set threshold value; if the deviation value is less than or equal to the set threshold value, executing the step d; otherwise, executing step e.
In the step, the difference operation is carried out on the estimated liquid level and the reference liquid level to obtain a deviation value of the estimated liquid level and the reference liquid level, the deviation value is compared with a set threshold value, if the deviation value is less than or equal to the set threshold value, the following step d is executed, and if not, the step e is executed.
d. And setting the estimated liquid level as the liquid level value of the target oil quantity.
In the step, when the deviation value is less than or equal to the set threshold value, the estimated liquid level is set as the liquid level value of the target oil quantity, and the acquisition of the liquid level value of the target oil quantity is completed.
e. Setting the reference liquid level as the estimated liquid level, extracting estimated oil quantity corresponding to the estimated liquid level from the database, calculating liquid level deviation according to the initial oil quantity, the estimated oil quantity and the volume of the unit liquid level of the vertical oil tank, and executing the steps b to c.
When the deviation value is larger than the set threshold value, the reference liquid level is reset to the estimated liquid level of the target oil quantity, the estimated oil quantity corresponding to the estimated liquid level is extracted again from the database, the liquid level deviation is recalculated according to the initial oil quantity, the estimated oil quantity and the unit liquid level volume of the vertical oil tank, and the steps b to c are executed again to finish the correction of the estimated liquid level. It can be understood that if the deviation value is still found to be greater than the set threshold value when steps b to c are executed again, the estimated liquid level can be corrected again according to the method of step e, and generally, the liquid level value obtained after three corrections is very close to the target value, which can completely meet the requirement of oil receiving and sending operation.
This embodiment provides and to estimating the technical scheme that the liquid level was revised, can acquire the liquid level according to vertical oil pipe's oil mass, overcome the defect that traditional art can't directly carry out the inverse operation through receiving and dispatching oil mass and obtain corresponding liquid level, can accurately acquire the liquid level value of the target oil mass of receiving and dispatching oil operation, the calculation mode is succinct moreover, can also acquire the liquid level value of target oil mass high-efficiently, improves the oil operation efficiency of receiving and dispatching.
In one embodiment, the method may further include the steps of:
determining the advance of liquid level alarm of the vertical oil tank; and setting the alarm liquid level of the vertical oil tank according to the lead and the liquid level value of the target oil quantity.
The advance of the liquid level alarm of the vertical oil tank refers to the advance alarm liquid level before the liquid level reaches the actual alarm liquid level, because the time is needed when an operator of the vertical oil tank goes to an operation site, and the operator needs to monitor the liquid level of the oil tank at any time in the oil receiving and sending process, the monitoring of the liquid level is influenced by other factors such as answering a call, other emergency things and the like during the process, the deviation of the quantity of received and sent oil is large, sometimes even accidents are caused, the advance needs to be set for the alarm in consideration of the problem of operation safety, and through practice, the advance of the early warning value of 50T is more appropriate (the flow of the received/sent oil is 300-3In the range of/h, the reaction time is 4 to 10 minutes).
In the embodiment, the advance of the liquid level alarm of the vertical oil tank is set, the alarm liquid level of the vertical oil tank is set according to the advance and the target oil amount obtained in the step S104, an alarm is sent out at the alarm liquid level, and an operator is informed to reduce the sending and receiving flow in advance, so that the operator can timely arrive at an operation site and correspondingly process the vertical oil tank, and the operation safety is ensured.
In an embodiment, a liquid level acquiring device for a vertical oil tank is provided, and referring to fig. 3, fig. 3 is a schematic structural diagram of the liquid level acquiring device for a vertical oil tank according to an embodiment, and the liquid level acquiring device for a vertical oil tank may include: the system comprises a determining module 101, an extracting module 102, a calculating module 103 and an obtaining module 104; wherein the content of the first and second substances,
the determining module 101 is used for determining the estimated liquid level of the target oil quantity in the vertical oil tank;
an extraction module 102, configured to extract an estimated oil amount corresponding to the estimated liquid level from a database; the database records the corresponding relation between the liquid level and the oil quantity of the vertical oil tank;
the calculation module 103 is used for acquiring an initial oil amount and acquiring the volume of a unit liquid level of the vertical oil tank; calculating the liquid level deviation according to the initial oil quantity, the estimated oil quantity and the volume of the unit liquid level;
and the obtaining module 104 is configured to correct the estimated liquid level by using the liquid level deviation, and obtain a level value of the target oil amount.
Above-mentioned liquid level acquisition device of vertical oil tank for the liquid level of estimating of target oil mass obtains the correction of liquid level deviation, can acquire the liquid level according to vertical oil pipe's oil mass, overcome the defect that traditional art can't directly carry out the inverse operation through receiving and dispatching oil mass and obtain corresponding liquid level, obtain the liquid level that this target oil mass corresponds fast and accurately, improved and acquireed the efficiency and the accuracy that the target oil mass corresponds the liquid level, at this vertical oil tank oil receiving and dispatching's in-process, can confirm the liquid level value after the oil receiving and dispatching operation high-efficiently and accurately, also improve the security of vertical oil tank operation.
The liquid level acquisition device for the vertical oil tank of the present invention and the liquid level acquisition method for the vertical oil tank of the present invention correspond to each other one to one, and technical features and advantageous effects thereof explained in the embodiments of the liquid level acquisition method for the vertical oil tank are applied to the embodiments of the liquid level acquisition device for the vertical oil tank, which is stated herein. Specific limitations regarding the liquid level obtaining device of the vertical oil tank can be referred to the above limitations regarding the liquid level obtaining method of the vertical oil tank, and will not be described herein again. All or part of each module in the liquid level acquisition device of the vertical oil tank can be realized by software, hardware and a combination thereof. The modules can be embedded in a hardware form or independent from a processor in the computer device, and can also be stored in a memory in the computer device in a software form, so that the processor can call and execute operations corresponding to the modules.
In an embodiment, a vertical oil tank oil receiving and sending level early warning system is provided, referring to fig. 4, where fig. 4 is a schematic structural diagram of the vertical oil tank oil receiving and sending level early warning system according to an embodiment, the vertical oil tank oil receiving and sending level early warning system may include: a radar level gauge 400 and a control system 500 in signal connection; wherein the content of the first and second substances,
the radar liquid level meter 400 is arranged on the vertical oil tank, can be used for acquiring the real-time liquid level of the vertical oil tank in the oil receiving and sending process, and sends the real-time liquid level to the control system 500;
and the control system 500 is configured to execute the liquid level acquisition method for the vertical oil tank as described in any one of the above embodiments to acquire the early warning liquid level of the vertical oil tank, receive the real-time liquid level sent by the radar liquid level meter 400, and perform alarm processing according to the early warning liquid level and the real-time liquid level.
In this embodiment, real-time liquid level can be that radar level gauge 400 carries out the liquid level value that real-time collection obtained to the liquid level at the vertical oil tank receiving and dispatching oil in-process, the early warning liquid level can adopt the liquid level value of the target oil mass after the vertical oil tank receiving and dispatching oil operation, control system 500 can adopt DCS control system promptly distributed control system, this control system 500 can locate in the control room of vertical oil tank, make the staff can monitor and the early warning is handled to the vertical oil tank of difference respectively in the control room, in order to realize carrying on directly perceived, accuracy and control high-efficiently to a plurality of vertical oil tanks.
Above-mentioned vertical oil tank receiving and dispatching oil liquid level early warning system, control system signal connection is to the radar level gauge, control system can acquire the real-time liquid level of vertical oil tank through the radar level gauge, and report to the police according to the early warning liquid level of setting for and real-time liquid level and handle, improved efficiency and the accuracy of acquireing the corresponding liquid level of target oil mass on the one hand, on the other hand is at this vertical oil tank receiving and dispatching oil's in-process, can confirm the liquid level value behind the receiving and dispatching oil operation high-efficiently and accurately, also improve the security of vertical oil tank operation.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by hardware instructions of a computer program, which can be stored in a non-volatile computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. Any reference to memory, storage, databases, or other media used in embodiments provided herein may include non-volatile and/or volatile memory. Non-volatile memory can include read-only memory (ROM), Programmable ROM (PROM), Electrically Programmable ROM (EPROM), Electrically Erasable Programmable ROM (EEPROM), or flash memory. Volatile memory can include Random Access Memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in a variety of forms such as Static RAM (SRAM), Dynamic RAM (DRAM), Synchronous DRAM (SDRAM), Double Data Rate SDRAM (DDRSDRAM), Enhanced SDRAM (ESDRAM), Synchronous Link DRAM (SLDRAM), Rambus Direct RAM (RDRAM), direct bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM).
Accordingly, in an embodiment, there is also provided a computer readable storage medium having a computer program stored thereon, wherein the program when executed by a processor implements the tank level obtaining method according to any one of the embodiments described above.
The computer storage medium enables the estimated liquid level of the target oil quantity to be corrected by liquid level deviation through the stored computer program, can acquire the liquid level according to the oil quantity of the vertical oil pipe, overcomes the defect that the traditional technology can not directly perform inverse operation through the oil receiving and sending quantity to obtain the corresponding liquid level, quickly and accurately obtains the liquid level corresponding to the target oil quantity, improves the efficiency and the accuracy of acquiring the liquid level corresponding to the target oil quantity, can efficiently and accurately determine the liquid level value after oil receiving and sending operation in the process of oil receiving and sending of the vertical oil tank, and also improves the safety of the operation of the vertical oil tank.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (6)
1. A liquid level obtaining method of a vertical oil tank is characterized by comprising the following steps:
determining the estimated liquid level of the target oil mass in the vertical oil tank; the method comprises the following steps: acquiring the target oil quantity, and acquiring the density value of the oil; converting the target oil quantity into an estimated volume corresponding to the target oil quantity through a density formula according to the target oil quantity and the density value; calculating the estimated liquid level of the target oil mass in the vertical oil tank according to the volume of the unit liquid level and the estimated volume;
extracting the estimated oil quantity corresponding to the estimated liquid level from a database; the database records the corresponding relation between the liquid level and the oil quantity of the vertical oil tank;
acquiring initial oil quantity and acquiring the volume of unit liquid level of the vertical oil tank; calculating the liquid level deviation according to the initial oil quantity, the estimated oil quantity and the volume of the unit liquid level; according to the initial oil mass, the volume calculation liquid level deviation of pre-estimated oil mass and unit liquid level, include: the difference between the initial oil quantity and the estimated oil quantity is obtained to obtain an oil quantity deviation; obtaining the density value of the oil; converting the oil quantity deviation into a volume deviation corresponding to the oil quantity deviation through a density formula according to the oil quantity deviation and the density value; setting the ratio of the volume deviation to the volume of the unit liquid level of the vertical oil tank as the liquid level deviation;
correcting the estimated liquid level by using the liquid level deviation to obtain a liquid level value of the target oil quantity; the method comprises the following steps: a. extracting an initial level value corresponding to the initial oil quantity from the database; b. carrying out difference operation on the initial liquid level value and the liquid level deviation to obtain a reference liquid level; c. obtaining a deviation value of the estimated liquid level and the reference liquid level, and comparing the deviation value with a set threshold value; if the deviation value is less than or equal to the set threshold value, executing the step d; otherwise, executing step e; d. setting the estimated liquid level as the liquid level value of the target oil quantity; e. setting the reference liquid level as the estimated liquid level, extracting estimated oil quantity corresponding to the estimated liquid level from the database, calculating the liquid level deviation according to the initial oil quantity, the estimated oil quantity and the unit liquid level volume of the vertical oil tank, and executing steps b to c.
2. The method for acquiring the liquid level of the vertical oil tank according to claim 1, wherein the step of calculating the estimated liquid level of the target oil volume in the vertical oil tank according to the volume per liquid level and the estimated volume comprises:
calculating the ratio of the estimated volume to the volume of the unit liquid level;
and setting the ratio as the estimated liquid level of the target oil quantity in the vertical oil tank.
3. The method for acquiring the liquid level of the vertical oil tank according to claim 1, wherein the step of acquiring the volume per liquid level of the vertical oil tank comprises:
determining the geometric characteristics of the vertical oil tank;
acquiring the geometric parameters of the vertical oil tank according to the geometric characteristics of the vertical oil tank;
and calculating the volume of the unit liquid level of the vertical oil tank according to the geometric parameters.
4. A method for acquiring the liquid level of a vertical oil tank according to any one of claims 1 to 3, further comprising the steps of:
determining the advance of liquid level alarm of the vertical oil tank;
and setting the alarm liquid level of the vertical oil tank according to the lead and the liquid level value of the target oil quantity.
5. A liquid level acquisition device of a vertical oil tank is characterized by comprising:
the determining module is used for determining the estimated liquid level of the target oil quantity in the vertical oil tank; further for: acquiring the target oil quantity, and acquiring the density value of the oil; converting the target oil quantity into an estimated volume corresponding to the target oil quantity through a density formula according to the target oil quantity and the density value; calculating the estimated liquid level of the target oil mass in the vertical oil tank according to the volume of the unit liquid level and the estimated volume;
the extraction module is used for extracting the estimated oil quantity corresponding to the estimated liquid level from a database; the database records the corresponding relation between the liquid level and the oil quantity of the vertical oil tank;
the calculation module is used for acquiring initial oil quantity and acquiring the volume of the unit liquid level of the vertical oil tank; calculating the liquid level deviation according to the initial oil quantity, the estimated oil quantity and the volume of the unit liquid level; according to the initial oil mass, the volume calculation liquid level deviation of pre-estimated oil mass and unit liquid level, include: the difference between the initial oil quantity and the estimated oil quantity is obtained to obtain an oil quantity deviation; obtaining the density value of the oil; converting the oil quantity deviation into a volume deviation corresponding to the oil quantity deviation through a density formula according to the oil quantity deviation and the density value; setting the ratio of the volume deviation to the volume of the unit liquid level of the vertical oil tank as the liquid level deviation;
the acquisition module is used for correcting the estimated liquid level by using the liquid level deviation to acquire a liquid level value of the target oil quantity; further for: a. extracting an initial level value corresponding to the initial oil quantity from the database; b. carrying out difference operation on the initial liquid level value and the liquid level deviation to obtain a reference liquid level; c. obtaining a deviation value of the estimated liquid level and the reference liquid level, and comparing the deviation value with a set threshold value; if the deviation value is less than or equal to the set threshold value, executing the step d; otherwise, executing step e; d. setting the estimated liquid level as the liquid level value of the target oil quantity; e. setting the reference liquid level as the estimated liquid level, extracting estimated oil quantity corresponding to the estimated liquid level from the database, calculating the liquid level deviation according to the initial oil quantity, the estimated oil quantity and the unit liquid level volume of the vertical oil tank, and executing steps b to c.
6. The utility model provides a vertical oil tank receiving and dispatching fluid level early warning system which characterized in that includes: the radar liquid level meter and the control system are in signal connection; wherein the content of the first and second substances,
the radar liquid level meter is arranged on the vertical oil tank and used for acquiring the real-time liquid level of the vertical oil tank in the oil receiving and sending process and sending the real-time liquid level to the control system;
the control system is configured to execute the liquid level acquisition method of the vertical oil tank according to any one of claims 1 to 4 to acquire the early warning liquid level of the vertical oil tank, receive the real-time liquid level sent by the radar liquid level meter, and perform alarm processing according to the early warning liquid level and the real-time liquid level.
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| CN111811579A (en) * | 2020-07-22 | 2020-10-23 | 广州发展碧辟油品有限公司 | Oil depot information management system |
| CN111750470A (en) * | 2020-07-30 | 2020-10-09 | 中山市斯泰尔电器科技有限公司 | Automatic humidification amount adjusting method |
| CN114030769A (en) * | 2021-11-17 | 2022-02-11 | 陕西延长石油集团三原销售有限公司 | Intelligent early warning method for oil depot system |
| CN115326172B (en) * | 2022-07-16 | 2024-04-02 | 戴天智能科技(上海)股份有限公司 | Transformer oil level detection method, system, storage medium and intelligent terminal |
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