CN117213894A - Abnormal operation monitoring system for ocean engineering equipment - Google Patents
Abnormal operation monitoring system for ocean engineering equipment Download PDFInfo
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Abstract
The application discloses an abnormal operation monitoring system of marine engineering equipment, which particularly relates to the technical field of equipment monitoring, and is used for early warning the operation state of a separation device by monitoring the pressure value of an important position in the separation device and checking whether the pressure value is in a safety range, thereby being beneficial to reducing the potential risk caused by pressure abnormality, improving the separation efficiency and guaranteeing the safe operation of the separation device; the separation early warning monitoring module is used for analyzing parameters such as the change amplitude of the crude oil flow speed and the pressure difference stability of the cyclone, comprehensively analyzing the change amplitude of the crude oil flow speed and the pressure difference stability of the cyclone, monitoring the operation state of the separation device in real time, judging whether potential fault risks exist or not, early warning and taking maintenance measures in advance, avoiding production interruption and equipment damage, improving the production efficiency and the safety, and realizing real-time monitoring and guaranteeing of the operation state of the separation device.
Description
Technical Field
The application relates to the technical field of equipment monitoring, in particular to an abnormal operation monitoring system of marine engineering equipment.
Background
The ocean engineering equipment mainly comprises three types of equipment, such as an ocean mobile drilling platform (ship), a floating production system, an ocean engineering operation ship and an auxiliary ship, and key matched equipment and systems thereof. Including hydrocarbon drilling platforms, hydrocarbon storage facilities, marine engineering vessels (marine geological exploration vessels, supply vessels, tugboats, crane vessels, salvage vessels, submarine cable laying vessels, pipelaying vessels).
Wherein the floating production system (Floating Production System) refers to an apparatus and facility for offshore oil and gas production. The floating production system exploits the hydrocarbon resources offshore and then processes, stores and transports them to shore or elsewhere; the separation device is used for separating a mixture of crude oil, natural gas, water and the like into separate components so as to extract pure crude oil and natural gas.
The prior art has the following defects:
the existing fault monitoring of the separation device usually gives an alarm after an accident occurs, and then related personnel are arranged for maintenance, so that the running state of the separation device is not pre-warned in advance according to the running information of the separation device in practice, and measures are not taken until the fault of the separation device occurs, so that the normal running of the floating production system is affected.
In order to solve the above problems, a technical solution is now provided.
Disclosure of Invention
In order to overcome the above-mentioned drawbacks of the prior art, an embodiment of the present application provides a system for monitoring abnormal operation of marine engineering equipment to solve the above-mentioned problems set forth in the background art.
In order to achieve the above purpose, the present application provides the following technical solutions:
the system comprises a starting judgment module, a separation abnormality monitoring module, a separation early warning monitoring module and a comprehensive early warning module;
the starting judgment module monitors the amount of crude oil to be processed of the floating production system, and determines whether to start the separation device according to whether the amount of crude oil to be processed reaches a threshold to be processed;
after the separation device is confirmed to be started, the separation abnormality monitoring module evaluates the operation state of the separation device and judges whether the separation device continues to operate according to the result of the evaluation of the operation state of the separation device;
when the separation abnormality monitoring module judges that the separation device continues to operate, the separation early warning monitoring module analyzes the operation data of the separation device;
the comprehensive early warning module evaluates the degree of potential fault danger of the separation device through analysis of the operation data of the separation device; and when the degree of potential fault danger of the separating device is high, feeding back the starting judgment module.
In a preferred embodiment, a liquid level sensor is installed in a storage tank of crude oil to be treated to monitor the liquid level of the crude oil;
setting a crude oil quantity threshold to be treated in the PLC; the starting judgment module monitors the reading of the liquid level of the crude oil in real time, and when the reading of the liquid level of the crude oil reaches a set threshold value of the crude oil quantity to be processed, the starting judgment module generates a signal for starting the separation device.
In a preferred embodiment, after confirming that the separating apparatus is opened, a pressure value corresponding to an important position inside the separating apparatus is obtained;
acquiring a safety range corresponding to a pressure value corresponding to an important position in the separation device;
judging whether the pressure value corresponding to the important position in the separating device is in the safety range corresponding to the pressure value corresponding to the important position in the separating device or not: if the pressure values corresponding to the important positions in the separation device are in the safety range corresponding to the pressure values corresponding to the important positions in the separation device, generating a separation operation safety signal;
when the pressure value corresponding to the important position in the separating device exceeds the safety range corresponding to the pressure value corresponding to the important position in the separating device, a separation operation danger signal is generated.
In a preferred embodiment, when the split operational safety signal is generated: collecting crude oil input stability information; setting a first monitoring interval; uniformly setting a plurality of monitoring points in a first monitoring interval; acquiring a crude oil flow velocity value corresponding to each monitoring point in a first monitoring interval;
analyzing the collected crude oil input stability information: analyzing the degree of the variation amplitude of the crude oil flow velocity value corresponding to the monitoring points, and calculating a crude oil input variation value;
collecting pressure difference stability information of the cyclone, and analyzing the pressure difference stability information of the cyclone: marking the pressure difference between an inlet and an outlet of the cyclone as a cyclone inlet and outlet pressure difference value, and acquiring a real-time cyclone inlet and outlet pressure difference value; setting a cyclone pressure difference threshold, and generating a cyclone fault signal when the real-time cyclone access pressure difference value is smaller than the cyclone pressure difference threshold; when the real-time rotational flow inlet and outlet pressure difference value is larger than or equal to the rotational flow pressure difference threshold value, generating a rotational flow normal signal;
setting a second monitoring interval; when a rotational flow normal signal is generated, the stability of the rotational flow in-out pressure difference value in the second monitoring interval is evaluated:
and a plurality of rotational flow inlet and outlet pressure difference values are monitored in the second monitoring interval, and a differential pressure stability evaluation value is calculated by carrying out discrete analysis on the rotational flow inlet and outlet pressure difference values in the second monitoring interval.
In a preferred embodiment, normalizing the crude oil input variation value and the differential pressure stability evaluation value, and calculating a separation fault early warning evaluation coefficient through the normalized crude oil input variation value and the normalized differential pressure stability evaluation value;
setting a separation fault early warning threshold value, and comparing the separation fault early warning evaluation coefficient with the separation fault early warning threshold value: when the separation fault early warning evaluation coefficient is larger than the separation fault early warning threshold value, generating a separation fault early warning signal; and when the separation fault early warning evaluation coefficient is smaller than or equal to the separation fault early warning threshold value, generating a separation normal operation signal.
In a preferred embodiment, when a separation fault warning signal is generated, a crude oil entry prohibition signal is issued to the start-up determination module.
The application relates to a technical effect and advantages of an abnormal operation monitoring system for ocean engineering equipment, which comprises the following steps:
1. by monitoring the pressure value of the important position inside the separation device, checking whether the pressure value is in the safety range or not, the operation state of the separation device is early-warned, and if the pressure value of any important position exceeds the safety range, the operation of the separation device is stopped, overhauling is carried out, so that potential risks caused by pressure abnormality are reduced, the separation efficiency is improved, and the safe operation of the separation device is ensured.
2. The analysis of parameters such as the change amplitude of the crude oil flow rate and the pressure difference stability of the cyclone is carried out through the separation early warning monitoring module, and the running state of the separation device can be monitored in real time through comprehensively analyzing the change amplitude of the crude oil flow rate and the pressure difference stability of the cyclone, so that whether potential fault risks exist or not is judged, thereby early warning is carried out in advance, maintenance measures are taken, production interruption and equipment damage are avoided, the production efficiency and the safety are improved, more accurate fault early warning is provided through multiparameter comprehensive analysis, and the real-time monitoring and the guarantee of the running state of the separation device are realized.
Drawings
FIG. 1 is a schematic diagram of a system for monitoring abnormal operation of marine engineering equipment according to the present application.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Examples: fig. 1 shows a schematic structural diagram of an abnormal operation monitoring system for marine engineering equipment, which comprises a starting judgment module, a separation abnormal monitoring module, a separation early warning monitoring module and a comprehensive early warning module.
The starting judgment module monitors the amount of crude oil to be processed of the floating production system, and determines whether to start the separation device according to whether the amount of crude oil to be processed reaches a threshold to be processed.
And after the separation device is confirmed to be started, the separation abnormality monitoring module evaluates the operation state of the separation device and judges whether the separation device continues to operate according to the result of the evaluation of the operation state of the separation device.
When the separation abnormality monitoring module judges that the separation device continues to operate, the separation early warning monitoring module analyzes the operation data of the separation device.
The comprehensive early warning module evaluates the degree of potential fault danger of the separation device through analysis of the operation data of the separation device; and when the degree of potential fault danger of the separating device is high, feeding back the starting judgment module.
In general, in the actual operation of a floating production system, if crude oil is produced at a low yield, the separation device is started to process the crude oil, and when the yield of the crude oil is low, the separation device is insufficient to effectively separate oil, water, gas, solids and other components in the crude oil. This may result in mixing or incomplete separation, which reduces separation efficiency. Operating the separation device under low production conditions may result in additional costs, including energy costs, maintenance costs, and equipment costs, which can impact overall production costs.
Crude oil is stored in a storage tank of a floating production system, and a liquid level sensor or a volumetric meter is arranged in the storage tank of the crude oil to be treated and is used for monitoring the liquid level or the volume of the crude oil in real time.
A raw oil amount threshold to be processed is set in a PLC (programmable logic controller), and is generally determined according to production requirements and equipment capacity.
The starting judgment module monitors the reading of the liquid level or the volume liquid level of the crude oil in real time, and when the reading reaches a set crude oil quantity threshold to be processed, the starting judgment module generates a signal for starting the separation device.
Starting the separating device according to the generated signal for starting the separating device: and opening a main valve of the separation device to enable crude oil to flow to the separation device.
And after the separation device is confirmed to be started, the separation abnormality monitoring module evaluates the operation state of the separation device and judges whether the separation device continues to operate according to the result of the evaluation of the operation state of the separation device.
The separation abnormality monitoring module evaluates the operation state of the separation device:
abnormal rise or fall of the pressure value is one of common signs when the separation device fails, and a pipeline or equipment part in the separation device may be blocked, so that fluid passes through the separation device difficultly, and the pressure value is increased; leakage of pipes, valves or equipment may lead to loss of crude oil, gas or water and thus to a reduction of the internal pressure values, excessive temperatures may lead to expansion of the gas or vapour inside the separation device, thereby increasing the pressure values, and malfunctions or damages inside the equipment may also lead to abnormal pressure value changes. If the operating pressure value inside the separation device is too high, it may lead to failure, leakage, or even explosion hazards of the device. Too low a working pressure value may result in the separating device not being able to perform its separating task effectively, affecting the production efficiency.
And installing a pressure value sensor at an important position inside the separation device, and acquiring a pressure value corresponding to the important position inside the separation device based on the pressure value sensor.
The safety range corresponding to the pressure value corresponding to the important position inside the separation device is obtained, and the safety range corresponding to the pressure value corresponding to the important position inside the separation device is set by a person skilled in the art according to actual situations, for example: depending on the circumstances, the separation device needs to maintain a specific range of operating pressure values during operation to ensure separation efficiency, and the corresponding safety range for the separator wall pressure values can be set between 50 psi and 100 psi.
Judging whether the pressure value corresponding to the important position in the separating device is in the safety range corresponding to the pressure value corresponding to the important position in the separating device or not: if the pressure values corresponding to the important positions in the separation device are all in the safety range corresponding to the pressure values corresponding to the important positions in the separation device, a separation operation safety signal is generated, the separation device continues to operate, at the moment, the pressure values corresponding to the important positions in the separation device are normal, and at the moment, the operation state of the separation device is good.
When the pressure value corresponding to the important position inside the separation device exceeds the safety range corresponding to the pressure value corresponding to the important position inside the separation device, a separation operation dangerous signal is generated, at the moment, according to the generated separation operation dangerous signal, the operation of the separation device is stopped, and professional technicians are arranged to take measures to overhaul the separation device.
Important locations inside the separation device include, among others, separator walls, settling tank or settling tank walls, walls of inlet and outlet ducts, and walls of the ducts and equipment in the separation device.
The explanation of the pressure values corresponding to the important locations inside the separation device is as follows:
separator wall pressure value: separators are the core component of the separation device, and are generally divided into a gas zone and a liquid zone. Monitoring the wall pressure value of the separator may provide important information about the separation process to ensure separation efficiency.
Sedimentation tank or sedimentation tank wall pressure values: these fractions are typically used to separate liquid components of different densities. Monitoring the wall pressure values of the settling pond or tank helps to ensure an effective separation between the different liquid layers.
Wall pressure values of inlet and outlet pipes: monitoring the wall pressure values of the inlet and outlet pipes of the separation device may provide information about the entry and exit of fluid into and out of the separation device to ensure the stability of the separation process.
Conduit and equipment wall pressure values in separation device: the wall pressure values of pipes, valves and other equipment also need to be monitored, as they may be affected by the fluid, thereby affecting the operation of the whole separation device.
When the separation abnormality monitoring module judges that the separation device continues to operate, the separation early warning monitoring module analyzes the degree of potential fault danger of the separation device through fluctuation conditions of operation data of the separation device.
When the separation operation safety signal is generated, the probability that the potential fault of the separation device does not occur is not represented, and at this time, further analysis of the operation data of the separation device is required to evaluate the degree of potential fault risk of the separation device.
Collecting crude oil input stability information: the flow rate of crude oil into the separation device is a critical factor in flow stability, and too high or too low a flow rate of crude oil may result in incomplete separation or mixing, thus ensuring that the crude oil passes through the separation device at the proper rate.
The first monitoring interval is set, the corresponding time length of the first monitoring interval is set by a person skilled in the art according to the monitoring requirement on the flow speed of crude oil entering the separation device and other practical conditions, the first monitoring interval is a real-time interval, namely, the end point of the first monitoring interval is always a real-time point, namely, the range of the first monitoring interval is changed along with the change of the real-time point.
A plurality of monitoring points are uniformly arranged in the first monitoring interval, and the number of the monitoring points is set according to the actual requirement of monitoring the flow speed of crude oil entering the separation device.
And acquiring a crude oil flow velocity value corresponding to each monitoring point in the first monitoring interval based on the flow velocity sensor, wherein the crude oil flow velocity value is the real-time flow velocity of the crude oil entering the separation device.
When the variation amplitude of the crude oil flow velocity value corresponding to the monitoring points is larger, and the variation amplitude is more serious, the following hidden dangers may exist:
uneven flow of crude oil may occur as it enters the separation device, with some areas having a faster flow rate and other areas having a slower flow rate. This may lead to a decrease in separation efficiency because the different components cannot be separated effectively.
The widely varying flow rates may result in mixing of different components in the crude oil, which may affect the separation effect. Components such as crude oil and water can be difficult to separate effectively.
Blockage or leakage: the drastic change in flow rate may be due to blockage or leakage inside the device. This may be an indication of equipment failure.
Analyzing the collected crude oil input stability information: analyzing the degree of the variation amplitude of the crude oil flow velocity value corresponding to the monitoring points, and calculating a crude oil input variation value, wherein the expression of the crude oil input variation value is as follows:wherein n and w are the number of monitoring points in the first monitoring interval and the number of the monitoring points in the first monitoring interval respectively; w=1, 2, 3, 4, &..; and n and w are integers greater than 1;the method comprises the steps of inputting a variation value of crude oil, a crude oil flow speed value corresponding to the w+1th monitoring point in a first monitoring interval and a crude oil flow speed value corresponding to the w monitoring point in the first monitoring interval.
The larger the variation value of crude oil input, the larger the variation amplitude of the crude oil flow velocity value, which can lead to the reduction of the separation efficiency of the crude oil when the crude oil enters the separation device, and the larger the adverse effect on the separation treatment of the crude oil.
Collecting pressure difference stability information of the cyclone: cyclone (Cyclone Separator) is a device for separating a mixture of gas and liquid or a suspension of particles, the working principle of which is based on centrifugal forces and gravitational forces, separating the different components of the mixture, which cyclone is part of a separating device, and if the cyclone is not in operation, the separation efficiency will be reduced, resulting in failure to achieve the desired separation effect, which may affect the product quality, the production efficiency and the long-term stability of the device.
In general, the pressure differential between the inlet and outlet of the cyclone should be relatively stable, since the cyclone separates gas from crude oil by the swirling motion, thereby achieving a relatively stable separation of components at the outlet, the stable pressure differential being indicative of the cyclone working within the normal operating range, effectively separating gas and liquid components.
The pressure differential between the inlet and outlet of the cyclone reflects the efficiency and state of the separation of gas and liquid or particulate matter inside the cyclone. The stability and magnitude of the pressure differential is typically used to assess the separation efficiency of the cyclone. When the pressure differential is large, it means that the gas and crude oil or particulate matter have been effectively separated. Conversely, a smaller pressure differential may indicate a reduced separation efficiency, requiring further optimization or maintenance of the cyclone.
Analyzing the pressure difference stability information of the cyclone: marking the pressure difference between an inlet and an outlet of the cyclone as a cyclone inlet and outlet pressure difference value, and acquiring a real-time cyclone inlet and outlet pressure difference value; setting a cyclone pressure difference threshold, and generating a cyclone fault signal when the real-time cyclone access pressure difference value is smaller than the cyclone pressure difference threshold, wherein the cyclone fault signal indicates that the separation efficiency of the cyclone is lower, and the cyclone needs to be further optimized or maintained.
When the real-time cyclone inlet and outlet pressure difference value is larger than or equal to the cyclone pressure difference threshold value, a cyclone normal signal is generated, and the real-time separation efficiency of the cyclone is normal, but the stability of the cyclone inlet and outlet pressure difference value of the cyclone needs to be further analyzed.
The cyclone pressure difference threshold is set by a person skilled in the art according to the cyclone inlet and outlet pressure difference value and other practical conditions such as a requirement standard for the pressure difference between the inlet and the outlet of the cyclone, and will not be repeated here.
Setting a second monitoring interval, wherein the corresponding time length of the second monitoring interval is set by a person skilled in the art according to actual conditions such as monitoring requirements on pressure difference between an inlet and an outlet of the cyclone, the second monitoring interval is a real-time interval, namely, the end point of the second monitoring interval is always a real-time point, namely, the range of the second monitoring interval is changed along with the change of the real-time point.
When a rotational flow normal signal is generated, the stability of the rotational flow in-out pressure difference value in the second monitoring interval is evaluated:
and (3) a plurality of cyclone inlet and outlet pressure difference values are monitored in the second monitoring interval, and discrete analysis is carried out on the cyclone inlet and outlet pressure difference values in the second monitoring interval, so that the degree of abnormality of the pressure difference between the inlet and the outlet of the cyclone is estimated.
By swirling flow in the second monitoring zoneThe differential pressure value is subjected to discrete analysis to calculate a differential pressure stability evaluation value, and the expression is as follows:the method comprises the steps of carrying out a first treatment on the surface of the Wherein k and q are the number of the cyclone inlet and outlet pressure difference values monitored in the second monitoring interval and the number of the cyclone inlet and outlet pressure difference values monitored in the second monitoring interval respectively; q=1, 2, 3, 4, &..; and k and q are integers greater than 1;the average value of the differential pressure stability evaluation value, the q-th detected cyclone inlet and outlet pressure difference value in the second monitoring interval and the cyclone inlet and outlet pressure difference value in the second monitoring interval are respectively obtained.
The greater the differential pressure stability assessment, the greater the degree of anomaly in assessing the differential pressure between the inlet and outlet of the cyclone, and the greater the adverse effects on the cyclone, separation device, and the entire floating production system.
The comprehensive early warning module evaluates the degree of potential fault danger of the separation device through analysis of the operation data of the separation device:
and carrying out normalization processing on the crude oil input variation value and the differential pressure stability evaluation value, and calculating a separation fault early warning evaluation coefficient through the normalized crude oil input variation value and the normalized differential pressure stability evaluation value.
And evaluating the degree of potential fault danger of the separating device through the separating fault early warning evaluation coefficient.
For example, the application can calculate the separation fault early warning evaluation coefficient by adopting the following formula:the method comprises the steps of carrying out a first treatment on the surface of the Wherein,early warning and evaluating coefficients for separation faults;the preset proportional coefficients of the crude oil input variation value and the differential pressure stability evaluation value are respectively,are all greater than 0.
The greater the separation fault early warning evaluation coefficient, the greater the degree to which the separation device has potential fault hazards.
Setting a separation fault early warning threshold value, and comparing the separation fault early warning evaluation coefficient with the separation fault early warning threshold value: when the separation fault early warning evaluation coefficient is larger than the separation fault early warning threshold value, generating a separation fault early warning signal; and when the separation fault early warning evaluation coefficient is smaller than or equal to the separation fault early warning threshold value, generating a separation normal operation signal.
When a separation fault early warning signal is generated, the degree of potential fault danger of the separation device is larger, the probability that the separation device has faults or is about to break down is larger, and professional technicians are required to repair the separation device according to the generated separation fault early warning signal.
And generating a normal separation operation signal, wherein the degree of potential fault danger of the separation device is low, the separation device operates normally, and the risk of faults is low.
The separation fault early warning threshold is set by a person skilled in the art according to the magnitude of the separation fault early warning evaluation coefficient and other actual conditions such as the operation safety requirement standard of the separation device in practice, and will not be described herein.
When a separation fault early warning signal is generated, namely the degree of potential fault danger of the separation device is large, a crude oil entering prohibition signal is sent to the starting judgment module, and at the moment, the crude oil entering the separation device is stopped according to the crude oil entering prohibition signal sent to the starting judgment module.
The above formulas are all formulas with dimensionality removed and numerical calculation, the formulas are formulas with the latest real situation obtained by software simulation through collecting a large amount of data, and preset parameters and threshold selection in the formulas are set by those skilled in the art according to the actual situation.
The above embodiments may be implemented in whole or in part by software, hardware, firmware, or any other combination. When implemented in software, the above-described embodiments may be implemented in whole or in part in the form of a computer program product. The computer program product comprises one or more computer instructions or computer programs. When the computer instructions or computer program are loaded or executed on a computer, the processes or functions described in accordance with embodiments of the present application are produced in whole or in part. The computer may be a general purpose computer, a special purpose computer, a network of computers, or other programmable devices. The computer instructions may be stored in a computer-readable storage medium or transmitted from one computer-readable storage medium to another computer-readable storage medium, for example, the computer instructions may be transmitted from one website site, computer, server, or data center to another website site, computer, server, or data center by wired (e.g., infrared, wireless, microwave, etc.). The computer readable storage medium may be any available medium that can be accessed by a computer or a data storage device such as a server, data center, etc. that contains one or more sets of available media. The usable medium may be a magnetic medium (e.g., floppy disk, hard disk, magnetic tape), an optical medium (e.g., DVD), or a semiconductor medium. The semiconductor medium may be a solid state disk.
Those of ordinary skill in the art will appreciate that the various illustrative modules and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.
It will be clearly understood by those skilled in the art that, for convenience and brevity of description, specific working procedures of the above-described system, apparatus and module may refer to corresponding procedures in the foregoing method embodiments, which are not repeated herein.
In the several embodiments provided in the present application, it should be understood that the disclosed system, apparatus and method may be implemented in other manners. For example, the apparatus embodiments described above are merely illustrative, and for example, the division of the modules is merely a logical function division, and there may be additional divisions when actually implemented, for example, multiple modules or components may be combined or integrated into another system, or some features may be omitted or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be an indirect coupling or communication connection via some interfaces, devices or modules, which may be in electrical, mechanical, or other forms.
The modules described as separate components may or may not be physically separate, and components shown as modules may or may not be physical modules, may be located in one place, or may be distributed over multiple network modules. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
In addition, each functional module in each embodiment of the present application may be integrated into one processing module, or each module may exist alone physically, or two or more modules may be integrated into one module.
The functions, if implemented in the form of software functional modules and sold or used as a stand-alone product, may be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the present application may be embodied essentially or in a part contributing to the prior art or in a part of the technical solution, in the form of a software product stored in a storage medium, comprising several instructions for causing a computer device (which may be a personal computer, a server, a network device, etc.) to perform all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a read-only memory (ROM), a random access memory (random access memory, RAM), a magnetic disk, or an optical disk, or other various media capable of storing program codes.
The foregoing is merely illustrative of the present application, and the present application is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Finally: the foregoing description of the preferred embodiments of the application is not intended to limit the application to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the application are intended to be included within the scope of the application.
Claims (6)
1. The system is characterized by comprising a starting judging module, a separation abnormality monitoring module, a separation early warning monitoring module and a comprehensive early warning module;
the starting judgment module monitors the amount of crude oil to be processed of the floating production system, and determines whether to start the separation device according to whether the amount of crude oil to be processed reaches a threshold to be processed;
after the separation device is confirmed to be started, the separation abnormality monitoring module evaluates the operation state of the separation device and judges whether the separation device continues to operate according to the result of the evaluation of the operation state of the separation device;
when the separation abnormality monitoring module judges that the separation device continues to operate, the separation early warning monitoring module analyzes the operation data of the separation device;
the comprehensive early warning module evaluates the degree of potential fault danger of the separation device through analysis of the operation data of the separation device; and when the degree of potential fault danger of the separating device is high, feeding back the starting judgment module.
2. The marine engineering equipment abnormal operation monitoring system according to claim 1, wherein: installing a liquid level sensor in a storage tank of crude oil to be treated to monitor the liquid level of the crude oil;
setting a crude oil quantity threshold to be treated in the PLC; the starting judgment module monitors the reading of the liquid level of the crude oil in real time, and when the reading of the liquid level of the crude oil reaches a set threshold value of the crude oil quantity to be processed, the starting judgment module generates a signal for starting the separation device.
3. The marine engineering equipment abnormal operation monitoring system according to claim 2, wherein: after confirming to start the separating device, acquiring a pressure value corresponding to an important position inside the separating device;
acquiring a safety range corresponding to a pressure value corresponding to an important position in the separation device;
judging whether the pressure value corresponding to the important position in the separating device is in the safety range corresponding to the pressure value corresponding to the important position in the separating device or not: if the pressure values corresponding to the important positions in the separation device are in the safety range corresponding to the pressure values corresponding to the important positions in the separation device, generating a separation operation safety signal;
when the pressure value corresponding to the important position in the separating device exceeds the safety range corresponding to the pressure value corresponding to the important position in the separating device, a separation operation danger signal is generated.
4. A marine engineering equipment operation anomaly monitoring system according to claim 3, wherein: when generating a split operational safety signal: collecting crude oil input stability information; setting a first monitoring interval; uniformly setting a plurality of monitoring points in a first monitoring interval; acquiring a crude oil flow velocity value corresponding to each monitoring point in a first monitoring interval;
analyzing the collected crude oil input stability information: analyzing the degree of the variation amplitude of the crude oil flow velocity value corresponding to the monitoring points, and calculating a crude oil input variation value;
collecting pressure difference stability information of the cyclone, and analyzing the pressure difference stability information of the cyclone: marking the pressure difference between an inlet and an outlet of the cyclone as a cyclone inlet and outlet pressure difference value, and acquiring a real-time cyclone inlet and outlet pressure difference value; setting a cyclone pressure difference threshold, and generating a cyclone fault signal when the real-time cyclone access pressure difference value is smaller than the cyclone pressure difference threshold; when the real-time rotational flow inlet and outlet pressure difference value is larger than or equal to the rotational flow pressure difference threshold value, generating a rotational flow normal signal;
setting a second monitoring interval; when a rotational flow normal signal is generated, the stability of the rotational flow in-out pressure difference value in the second monitoring interval is evaluated:
and a plurality of rotational flow inlet and outlet pressure difference values are monitored in the second monitoring interval, and a differential pressure stability evaluation value is calculated by carrying out discrete analysis on the rotational flow inlet and outlet pressure difference values in the second monitoring interval.
5. The marine engineering equipment abnormal operation monitoring system according to claim 4, wherein: normalizing the crude oil input variation value and the differential pressure stability evaluation value, and calculating a separation fault early warning evaluation coefficient through the normalized crude oil input variation value and the normalized differential pressure stability evaluation value;
setting a separation fault early warning threshold value, and comparing the separation fault early warning evaluation coefficient with the separation fault early warning threshold value: when the separation fault early warning evaluation coefficient is larger than the separation fault early warning threshold value, generating a separation fault early warning signal; and when the separation fault early warning evaluation coefficient is smaller than or equal to the separation fault early warning threshold value, generating a separation normal operation signal.
6. The marine engineering equipment abnormal operation monitoring system according to claim 5, wherein: and when a separation fault early warning signal is generated, sending a crude oil entering prohibition signal to the starting judgment module.
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