Process industry process simulation modeling method, device, equipment and storage medium

Abstract

The present application discloses a process simulation modeling method, device, equipment and storage medium for process industry. The method first determines each device to be simulated and modeled in the process industry; establishes a coupling relationship between each device through nodes and pipe segments; wherein each two devices are specifically connected in sequence through outlet nodes, pipe segments and inlet nodes; and determines the import and export data between each device based on the node type and pipe segment type in the coupling relationship between each device. The present invention does not need to solve a complex flow network matrix, the modules are low-coupled, the model structure is simple, unified and intuitive, the versatility is good, each module is solved separately, the calculation amount is small, and modification and debugging are relatively easy.

Description

Technical Field

[0001] The present invention relates to the field of process industry simulation modeling, and in particular to a process industry simulation modeling method, device, equipment and storage medium. Background Art

[0002] Process industry simulation modeling is generally based on equipment models and flow network system models, where the equipment model is responsible for simulating the dynamic characteristics of each unit operation equipment, and the flow network system model is responsible for calculating the pressure and flow of each node and pipeline in the entire process.

[0003] The existing flow network system model is usually expressed in the form of a matrix, and the continuous iteration method is generally used when solving it. However, this method requires the simultaneous solution of the flow network matrix, the model structure is complex, not intuitive, the calculation amount is large, and it is difficult to modify and debug. Summary of the invention

[0004] To this end, the present application provides a method and device for filling missing values ​​from multiple data sources based on privacy computing, so as to solve the problem that the filling methods existing in the prior art will bring certain inaccuracies.

[0005] Based on this, the embodiments of the present application provide a process industry process simulation modeling method, device, equipment and storage medium, which does not need to solve complex flow network matrices, has low coupling between modules, a simple, unified and intuitive model structure, good versatility, and each module is solved separately, with a small amount of calculation, and is easier to modify and debug.

[0006] In a first aspect, a process industry process simulation modeling method is provided, the method comprising:

[0007] Identify the various equipment to be simulated and modeled in the process industry;

[0008] The coupling relationship between each device is established through nodes and pipe segments; wherein, each two devices are connected in sequence through the outlet node, pipe segment and inlet node;

[0009] The import and export data between each device are determined based on the node type and pipe segment type in the coupling relationship between each device.

[0010] Optionally, the establishing of coupling relationships between various devices through nodes and pipe segments includes:

[0011] Determine the node type of the node between every two devices, wherein the node type includes a Flow-Node type node and a Pr-Node type node;

[0012] The Flow-Node type node is used to calculate the flow type, that is, the node flow is calculated based on the known node pressure and the inlet pipe section and the outlet pipe section;

[0013] The Pr-Node type node is used to calculate the pressure type, that is, through the known node flow, and calculate the node pressure according to the inlet pipe section and the outlet pipe section.

[0014] Optionally, the establishing of coupling relationships between various devices through nodes and pipe segments includes:

[0015] Determine the pipe segment type of the pipe segment between every two devices, wherein the pipe segment type includes a Flow-Pipe type pipe segment, an OutletPr-Pipe type pipe segment, and an InletPr-Pipe type pipe segment;

[0016] The Flow-Pipe type pipe section is used to calculate the flow rate according to the inlet pressure, the outlet pressure and the pipe section impedance;

[0017] The OutletPr-Pipe type pipe segment is used to calculate the outlet pressure based on the inlet pressure, flow rate and pipe segment impedance, that is, the pressure of the associated outlet node;

[0018] The InletPr-Pipe type pipe segment is used to calculate the inlet pressure, that is, the pressure of the associated inlet node, based on the outlet pressure, flow rate and pipe segment impedance.

[0019] Optionally, the import and export data between the devices are determined based on the node type and the pipe segment type in the coupling relationship between the devices, including:

[0020] When the node type in the coupling relationship between the devices is a Flow-Node type node;

[0021] Then set the inlet pipe section to Flow-Pipe type or InletPr-Pipe type, and the outlet pipe section to Flow-Pipe type or OutletPr-Pipe type: calculate the total flow of the inlet pipe section, calculate the total flow of the outlet pipe section, and calculate the node flow based on the total flow of the inlet pipe section and the total flow of the outlet pipe section.

[0022] Optionally, the import and export data between the devices are determined based on the node type and the pipe segment type in the coupling relationship between the devices, including:

[0023] When the node type in the coupling relationship between the devices is a Pr-Node type node;

[0024] Then, at least one of the inlet pipe sections is of OutletPr-Pipe type, the others are of Flow-Pipe type or InletPr-Pipe type, and the outlet pipe section is of Flow-Pipe type or OutletPr-Pipe type;

[0025] Calculate the total flow of non-OutletPr-Pipe inlet and outlet pipe sections, calculate the flow distribution coefficient of each OutletPr-Pipe inlet pipe section, and calculate the flow of each OutletPr-Pipe inlet pipe section based on the node flow, the total flow of non-OutletPr-Pipe inlet and outlet pipe sections and the flow distribution coefficient of each OutletPr-Pipe inlet pipe section; select an OutletPr-Pipe inlet pipe section, calculate the outlet pressure based on its inlet pressure, flow and pipe section impedance, which is the node pressure.

[0026] Optionally, the import and export data between the devices are determined based on the node type and the pipe segment type in the coupling relationship between the devices, including:

[0027] When the node type in the coupling relationship between the devices is a Pr-Node type node;

[0028] Then, at least one of the outlet pipe sections is set to be of InletPr-Pipe type, the others are of Flow-Pipe type or OutletPr-Pipe type, and the inlet pipe section is of Flow-Pipe type or InletPr-Pipe type;

[0029] Calculate the total flow of non-InletPr-Pipe inlet and outlet pipe sections, calculate the flow distribution coefficient of each InletPr-Pipe outlet pipe section, and calculate the flow of each InletPr-Pipe outlet pipe section based on the node flow, the total flow of non-InletPr-Pipe inlet and outlet pipe sections and the flow distribution coefficient of each InletPr-Pipe outlet pipe section; select an InletPr-Pipe outlet pipe section, calculate the inlet pressure based on its outlet pressure, flow and pipe section impedance, which is the node pressure.

[0030] Optionally, the coupling relationship between the devices is established through nodes and pipe sections, including: one node can be associated with several inlet pipe sections and several outlet pipe sections.

[0031] In a second aspect, a process industry process simulation modeling device is provided, the system comprising:

[0032] A determination module is used to determine each device to be simulated and modeled in the process industry;

[0033] Establishing a module for establishing coupling relationships between various devices through nodes and pipe segments; wherein each two devices are specifically connected in sequence through an outlet node, a pipe segment, and an inlet node;

[0034] The output module is used to determine the import and export data between various devices based on the node type and pipe segment type in the coupling relationship between various devices.

[0035] In a third aspect, an electronic device is provided, including a memory and a processor, wherein the memory stores a computer program, and when the processor executes the computer program, the process industry process simulation modeling method described in any one of the first aspects is implemented.

[0036] In a fourth aspect, a computer-readable storage medium is provided, on which a computer program is stored. When the computer program is executed by a processor, the process industry process simulation modeling method described in any one of the first aspects above is implemented.

[0037] In the technical solution provided in the embodiment of the present application, each device to be simulated and modeled in the process industry is first determined; the coupling relationship between each device is established through nodes and pipe segments; wherein, each two devices are specifically connected in sequence through outlet nodes, pipe segments and inlet nodes; based on the node type and pipe segment type in the coupling relationship between each device, the import and export data between each device are determined. It can be seen that the beneficial effect of the present invention is that there is no need to solve a complex flow network matrix, the modules are low-coupled, the model structure is simple, unified and intuitive, the versatility is good, each module is solved separately, the calculation amount is small, and modification and debugging are relatively easy. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] In order to more clearly illustrate the implementation methods of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for the implementation methods or the description of the prior art. Obviously, the drawings in the following description are only exemplary, and for ordinary technicians in this field, other implementation drawings can be derived from the provided drawings without creative work.

[0039] Figure 1 A flow chart of a process industry process simulation modeling method provided in an embodiment of the present application;

[0040] Figure 2 A schematic diagram of the process flow connection provided in the embodiment of the present application;

[0041] Figure 3 A schematic diagram of Flow-Node type node traffic provided in an embodiment of the present application;

[0042] Figure 4 A schematic diagram of the Pr-Node type node pressure provided in an embodiment of the present application;

[0043] Figure 5 A schematic diagram of another Pr-Node type node pressure provided in an embodiment of the present application;

[0044] Figure 6 A block diagram of a process industry simulation modeling system provided in an embodiment of the present application;

[0045] Figure 7 A block diagram of an electronic device for process industry simulation modeling provided in an embodiment of the present application. DETAILED DESCRIPTION

[0046] In order to make the purpose, technical solution and advantages of the present application more clearly understood, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0047] In the description of the present invention, the terms "comprises", "has" and any variations thereof are intended to cover non-exclusive inclusions. For example, a process, method, system, product or apparatus comprising a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may also include other steps or units that are not explicitly listed but are inherent to these processes, methods, products or apparatuses, or steps or units added based on further optimization schemes conceived by the present invention.

[0048] The entire process of this application is composed of nodes (modules), pipe sections (modules) and equipment (modules); the equipment module is composed of an inlet node module, an outlet node module and an equipment body module; the node modules and node modules, node modules and equipment modules, and equipment modules and equipment modules are connected by pipe section modules. For details, please refer to Figure 1 , which shows a flow chart of a process industry process simulation modeling method provided by an embodiment of the present application, the method may include the following steps:

[0049] Step 101, determining each device to be simulated and modeled in a process industry.

[0050] In an embodiment of the present application, a pipe segment is associated with an inlet node and an outlet node, the inlet pressure of the pipe segment is the inlet node pressure, and the outlet pressure of the pipe segment is the outlet node pressure; a node is associated with several inlet pipe segments and several outlet pipe segments, the node pressure is the outlet pressure of the inlet pipe segment, and is also the inlet pressure of the outlet pipe segment.

[0051] Step 102: Establish coupling relationships between various devices through nodes and pipe segments.

[0052] Among them, every two devices are connected in sequence through an outlet node, a pipe section and an inlet node.

[0053] like Figure 2, a schematic diagram of the process flow connection provided in an embodiment of the present application is given, in which the entire process flow is composed of nodes (modules), pipe sections (modules) and equipment (modules); the equipment module is composed of an import node module, an export node module and an equipment body module; the node modules and node modules, the node modules and equipment modules, and the equipment modules and equipment modules are connected by pipe section modules.

[0054] In an embodiment of the present application, the node type of the node between every two devices is determined, wherein the node type includes a Flow-Node type node and a Pr-Node type node; the Flow-Node type node is used to calculate the flow type, i.e., through a known node pressure, and calculates the node flow according to the inlet pipe section and the outlet pipe section; the Pr-Node type node is used to calculate the pressure type, i.e., through a known node flow, and calculates the node pressure according to the inlet pipe section and the outlet pipe section.

[0055] Determine the pipe segment type of the pipe segment between every two devices, wherein the pipe segment types include Flow-Pipe type pipe segment, OutletPr-Pipe type pipe segment and InletPr-Pipe type pipe segment;

[0056] The Flow-Pipe type pipe segment is used to calculate the flow rate based on the inlet pressure, outlet pressure and pipe segment impedance. The OutletPr-Pipe type pipe segment is used to calculate the outlet pressure based on the inlet pressure, flow rate and pipe segment impedance, that is, the pressure of the associated outlet node. The InletPr-Pipe type pipe segment is used to calculate the inlet pressure based on the outlet pressure, flow rate and pipe segment impedance, that is, the pressure of the associated inlet node.

[0057] Step 103: Determine the import and export data between the various devices based on the node types and pipe segment types in the coupling relationship between the various devices.

[0058] In the embodiments of the present application, Figure 3 , when the node type in the coupling relationship between each device is a Flow-Node type node; then set the inlet pipe section to Flow-Pipe type or InletPr-Pipe type, and the outlet pipe section to Flow-Pipe type or OutletPr-Pipe type: calculate the total flow of the inlet pipe section, calculate the total flow of the outlet pipe section, and calculate the node flow based on the total flow of the inlet pipe section and the total flow of the outlet pipe section.

[0059] like Figure 4, when the node type in the coupling relationship between each device is a Pr-Node type node; then set the inlet pipe section to have at least one OutletPr-Pipe type, the rest to Flow-Pipe type or InletPr-Pipe type, and the outlet pipe section to Flow-Pipe type or OutletPr-Pipe type; calculate the total flow of non-OutletPr-Pipe inlet and outlet pipe sections, calculate the flow distribution coefficient of each OutletPr-Pipe inlet pipe section, and calculate the flow of each OutletPr-Pipe inlet pipe section according to the node flow, the total flow of non-OutletPr-Pipe inlet and outlet pipe sections and the flow distribution coefficient of each OutletPr-Pipe inlet pipe section; select an OutletPr-Pipe inlet pipe section, and calculate the outlet pressure according to its inlet pressure, flow and pipe section impedance, which is the node pressure.

[0060] like Figure 5 , when the node type in the coupling relationship between each device is a Pr-Node type node; then set the outlet pipe section to have at least one InletPr-Pipe type, the rest to Flow-Pipe type or OutletPr-Pipe type, and the inlet pipe section to Flow-Pipe type or InletPr-Pipe type; calculate the total flow of the non-InletPr-Pipe inlet and outlet pipe sections, calculate the flow distribution coefficient of each InletPr-Pipe type outlet pipe section, and calculate the flow of each InletPr-Pipe type outlet pipe section according to the node flow, the total flow of the non-InletPr-Pipe type inlet and outlet pipe sections and the flow distribution coefficient of each InletPr-Pipe type outlet pipe section; select an InletPr-Pipe type outlet pipe section, and calculate the inlet pressure according to its outlet pressure, flow and pipe section impedance, which is the node pressure.

[0061] like Figure 6 The embodiment of the present application also provides a process industry process simulation modeling device 200. The device 200 includes:

[0062] A determination module 201 is used to determine each device to be simulated and modeled in a process industry;

[0063] Establishing module 202, used to establish coupling relationships between various devices through nodes and pipe segments; wherein each two devices are specifically connected in sequence through an outlet node, a pipe segment and an inlet node;

[0064] The output module 203 is used to determine the import and export data between each device based on the node type and the pipe segment type in the coupling relationship between each device.

[0065] The process industry process simulation modeling device provided in the embodiment of the present application is used to implement the above-mentioned process industry process simulation modeling method. For the specific definition of the process industry process simulation modeling device, please refer to the definition of the process industry process simulation modeling method in the above text, which will not be repeated here. The various parts in the above-mentioned process industry process simulation modeling device can be implemented in whole or in part by software, hardware and a combination thereof. The above-mentioned modules can be embedded in or independent of the processor in the device in the form of hardware, or can be stored in the memory in the device in the form of software, so that the processor can call and execute the operations corresponding to the above-mentioned modules.

[0066] In one embodiment, an electronic device is provided. The electronic device may be a computer, and its internal structure diagram may be as follows: Figure 7 As shown. The electronic device includes a processor, a memory and a network interface connected via a system bus. Among them, the processor of the device is used to provide computing and control capabilities. The memory of the device includes a non-volatile storage medium and an internal memory. The non-volatile storage medium stores an operating system, a computer program and a database. The internal memory provides an environment for the operation of the operating system and the computer program in the non-volatile storage medium. The database of the computer device is used for public opinion monitoring and processing data. The network interface of the computer device is used to communicate with an external terminal through a network connection. When the computer program is executed by the processor, a public opinion monitoring and processing method is implemented.

[0067] Those skilled in the art will understand that Figure 7 The structure shown in the figure is only a block diagram of a part of the structure related to the solution of the present application, and does not constitute a limitation on the computer device to which the solution of the present application is applied. The specific computer device may include more or fewer components than those shown in the figure, or combine certain components, or have a different arrangement of components.

[0068] In one embodiment of the present application, a computer-readable storage medium is provided, on which a computer program is stored, and when the computer program is executed by a processor, the steps of the above-mentioned public opinion monitoring processing method are implemented.

[0069] The computer-readable storage medium provided in this embodiment has similar implementation principles and technical effects to those of the above method embodiments, and will not be described in detail here.

[0070] Those of ordinary skill in the art can understand that all or part of the processes in the above-mentioned embodiment methods can be completed by instructing related hardware through a computer program, and the computer program can be stored in a non-volatile computer-readable storage medium. When the computer program is executed, it can include the processes of the embodiments of the above-mentioned methods. Among them, any reference to memory, storage, database or other media used in the embodiments provided in this application may include non-volatile and / or volatile memory. Non-volatile memory may include read-only memory (ROM), programmable ROM (PROM), electrically programmable ROM (EPROM), electrically erasable programmable ROM (EEPROM) or flash memory. Volatile memory may include random access memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in M ​​forms, such as static RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), double data rate SDRAM (DDRSDRAM), enhanced SDRAM (ESDRAM), synchronous link (SyMchliMk) DRAM (SLDRAM), memory bus (RaMbus) direct RAM (RDRAM), direct memory bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM), etc.

[0071] The technical features of the above embodiments may be arbitrarily combined (as long as there is no contradiction in the combination of these technical features). To make the description concise, not all possible combinations of the technical features in the above embodiments are described; these embodiments that are not explicitly written should also be considered to be within the scope of this specification.

[0072] The above is a relatively specific and detailed description of the present application through general description and specific embodiments. It should be understood that, based on the technical concept of the present application, several conventional adjustments or further innovations can be made to these specific embodiments; however, as long as they do not deviate from the technical concept of the present application, the technical solutions obtained by these conventional adjustments or further innovations also fall within the scope of protection of the claims of the present application.

Claims

1. A process industry simulation modeling method, characterized in that: The method comprises: Identify the various equipment to be simulated and modeled in the process industry; The coupling relationship between each device is established through nodes and pipe segments; wherein, each two devices are connected in sequence through the outlet node, pipe segment and inlet node; Determine the import and export data between each device based on the node type and pipe segment type in the coupling relationship between each device; The coupling relationship between the devices is established through nodes and pipe segments, including: Determine the node type of the node between every two devices, wherein the node type includes a Flow-Node type node and a Pr-Node type node; The Flow-Node type node is used to calculate the flow type, that is, the node flow is calculated based on the known node pressure and the inlet pipe section and the outlet pipe section; The Pr-Node type node is used to calculate the pressure type, that is, through the known node flow, and calculate the node pressure according to the inlet pipe section and the outlet pipe section; Determine the pipe segment type of the pipe segment between every two devices, wherein the pipe segment type includes a Flow-Pipe type pipe segment, an OutletPr-Pipe type pipe segment, and an InletPr-Pipe type pipe segment; The Flow-Pipe type pipe section is used to calculate the flow rate according to the inlet pressure, the outlet pressure and the pipe section impedance; The OutletPr-Pipe type pipe segment is used to calculate the outlet pressure based on the inlet pressure, flow rate and pipe segment impedance, that is, the pressure of the associated outlet node; The InletPr-Pipe type pipe segment is used to calculate the inlet pressure, i.e. the pressure of the associated inlet node, based on the outlet pressure, flow rate and pipe segment impedance; Based on the node type and pipe segment type in the coupling relationship between each device, the import and export data between each device is determined, including: When the node type in the coupling relationship between the devices is a Flow-Node type node; Then set the inlet pipe section to Flow-Pipe type or InletPr-Pipe type, and the outlet pipe section to Flow-Pipe type or OutletPr-Pipe type: calculate the total flow of the inlet pipe section, calculate the total flow of the outlet pipe section, and calculate the node flow according to the total flow of the inlet pipe section and the total flow of the outlet pipe section; When the node type in the coupling relationship between the devices is a Pr-Node type node; Then, at least one of the inlet pipe sections is of OutletPr-Pipe type, the others are of Flow-Pipe type or InletPr-Pipe type, and the outlet pipe section is of Flow-Pipe type or OutletPr-Pipe type; Calculate the total flow of non-OutletPr-Pipe inlet and outlet pipe sections, calculate the flow distribution coefficient of each OutletPr-Pipe inlet pipe section, and calculate the flow of each OutletPr-Pipe inlet pipe section based on the node flow, the total flow of non-OutletPr-Pipe inlet and outlet pipe sections and the flow distribution coefficient of each OutletPr-Pipe inlet pipe section; select an OutletPr-Pipe inlet pipe section, calculate the outlet pressure based on its inlet pressure, flow and pipe section impedance, which is the node pressure.

2. The method according to claim 1, characterized in that The coupling relationship between the devices is established through nodes and pipe segments, including: One node is associated with several inlet pipe sections and several outlet pipe sections.

3. A process industry simulation modeling device, characterized in that: The device comprises: A determination module is used to determine each device to be simulated and modeled in the process industry; Establishing a module for establishing coupling relationships between various devices through nodes and pipe segments; wherein each two devices are specifically connected in sequence through an outlet node, a pipe segment, and an inlet node; An output module, used to determine the import and export data between various devices based on the node type and the pipe segment type in the coupling relationship between various devices; The coupling relationship between the devices is established through nodes and pipe segments, including: Determine the node type of the node between every two devices, wherein the node type includes a Flow-Node type node and a Pr-Node type node; The Flow-Node type node is used to calculate the flow type, that is, the node flow is calculated based on the known node pressure and the inlet pipe section and the outlet pipe section; The Pr-Node type node is used to calculate the pressure type, that is, through the known node flow, and calculate the node pressure according to the inlet pipe section and the outlet pipe section; Determine the pipe segment type of the pipe segment between every two devices, wherein the pipe segment type includes a Flow-Pipe type pipe segment, an OutletPr-Pipe type pipe segment, and an InletPr-Pipe type pipe segment; The Flow-Pipe type pipe section is used to calculate the flow rate according to the inlet pressure, the outlet pressure and the pipe section impedance; The OutletPr-Pipe type pipe segment is used to calculate the outlet pressure based on the inlet pressure, flow rate and pipe segment impedance, that is, the pressure of the associated outlet node; The InletPr-Pipe type pipe segment is used to calculate the inlet pressure, i.e. the pressure of the associated inlet node, based on the outlet pressure, flow rate and pipe segment impedance; Based on the node type and pipe segment type in the coupling relationship between each device, the import and export data between each device is determined, including: When the node type in the coupling relationship between the devices is a Flow-Node type node; Then set the inlet pipe section to Flow-Pipe type or InletPr-Pipe type, and the outlet pipe section to Flow-Pipe type or OutletPr-Pipe type: calculate the total flow of the inlet pipe section, calculate the total flow of the outlet pipe section, and calculate the node flow according to the total flow of the inlet pipe section and the total flow of the outlet pipe section; When the node type in the coupling relationship between the devices is a Pr-Node type node; Then, at least one of the inlet pipe sections is of OutletPr-Pipe type, the others are of Flow-Pipe type or InletPr-Pipe type, and the outlet pipe section is of Flow-Pipe type or OutletPr-Pipe type; Calculate the total flow of non-OutletPr-Pipe inlet and outlet pipe sections, calculate the flow distribution coefficient of each OutletPr-Pipe inlet pipe section, and calculate the flow of each OutletPr-Pipe inlet pipe section based on the node flow, the total flow of non-OutletPr-Pipe inlet and outlet pipe sections and the flow distribution coefficient of each OutletPr-Pipe inlet pipe section; select an OutletPr-Pipe inlet pipe section, calculate the outlet pressure based on its inlet pressure, flow and pipe section impedance, which is the node pressure.

4. An electronic device, characterized in that: It comprises a memory and a processor, wherein the memory stores a computer program, and when the computer program is executed by the processor, the process industry process simulation modeling method as claimed in any one of claims 1 to 2 is implemented.

5. A computer-readable storage medium, characterized in that: A computer program is stored thereon, and when the computer program is executed by a processor, the process industry process simulation modeling method as described in any one of claims 1 to 2 is implemented.

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