Control method and device for a supercritical carbon dioxide pipeline

Abstract

The application provides a control method and device for a supercritical carbon dioxide pipeline. The method comprises the following steps: determining a leakage position of the supercritical carbon dioxide pipeline and a leakage condition of the supercritical carbon dioxide containing impurities at the leakage position during the process of transporting the supercritical carbon dioxide containing impurities through the supercritical carbon dioxide pipeline; determining carbon dioxide diffusion concentrations of each potential influence area around the leakage position according to the leakage condition; obtaining a high consequence area with the carbon dioxide diffusion concentration exceeding a preset concentration threshold from each potential influence area; and outputting position information corresponding to the high consequence area and the carbon dioxide diffusion concentration corresponding to the high consequence area. Thus, the high consequence area around the leakage position is automatically determined, and the position information and the carbon dioxide diffusion concentration of the high consequence area are timely output, so that subsequent protection treatment can be conveniently performed based on the position information and the carbon dioxide diffusion concentration of the high consequence area.

Description

Technical Field

[0001] This application relates to the field of computer technology, and in particular to a control method and apparatus for a supercritical carbon dioxide pipeline. Background Technology

[0002] Carbon dioxide transportation is a crucial link in the carbon capture, utilization, and storage (CCUS) industry chain, connecting carbon dioxide capture and storage. Related technologies typically use pipelines to transport carbon dioxide. During transportation, if a pipeline leaks, carbon dioxide will leak out. Therefore, quickly identifying areas with high concentrations is essential to ensuring the safe and stable operation of the pipeline. Summary of the Invention

[0003] This application proposes a control method and apparatus for a supercritical carbon dioxide pipeline.

[0004] One embodiment of this application proposes a control method for a supercritical carbon dioxide pipeline. The method includes: during the transportation of supercritical carbon dioxide containing impurities through the supercritical carbon dioxide pipeline, performing leak detection on the supercritical carbon dioxide pipeline to obtain the leak location and the leakage status of the supercritical carbon dioxide containing impurities at the leak location; determining the carbon dioxide diffusion concentration in each potential impact area around the leak location based on the leakage status; obtaining high-consequence areas from each potential impact area where the carbon dioxide diffusion concentration exceeds a preset concentration threshold; and outputting the location information corresponding to the high-consequence area and the carbon dioxide diffusion concentration corresponding to the high-consequence area.

[0005] In one embodiment of this application, during the transportation of supercritical carbon dioxide containing impurities through a supercritical carbon dioxide pipeline, the method further includes: controlling the transportation pressure in the supercritical carbon dioxide pipeline to be above a preset pressure threshold.

[0006] In one embodiment of this application, the method further includes: obtaining the crack arrest toughness of the supercritical carbon dioxide pipeline; obtaining the temperature change range of the supercritical carbon dioxide containing impurities during the pipeline venting process; determining whether the crack arrest toughness meets a preset crack arrest toughness requirement, and determining whether the temperature change range is within the suitable temperature range corresponding to the pipeline material of the supercritical carbon dioxide pipeline; and determining that the supercritical carbon dioxide pipeline is used to transport the supercritical carbon dioxide containing impurities if the crack arrest toughness meets the preset crack arrest toughness requirement and the temperature change range is within the suitable temperature range corresponding to the pipeline material of the supercritical carbon dioxide pipeline.

[0007] In one embodiment of this application, obtaining the crack arrest toughness of the supercritical carbon dioxide pipeline includes: obtaining the specifications and material of the supercritical carbon dioxide pipeline; and determining the crack arrest toughness of the supercritical carbon dioxide pipeline based on the specifications and material of the supercritical carbon dioxide pipeline.

[0008] In one embodiment of this application, determining the crack arrest toughness of the supercritical carbon dioxide pipeline based on its specifications and material includes: obtaining a crack arrest toughness prediction model corresponding to the specifications and material of the supercritical carbon dioxide pipeline; and predicting the crack arrest toughness of the supercritical carbon dioxide pipeline based on the crack arrest toughness prediction model to obtain the crack arrest toughness of the supercritical carbon dioxide pipeline.

[0009] In one embodiment of this application, obtaining the temperature change range of the supercritical carbon dioxide containing impurities during pipeline venting includes: obtaining the physical property characteristics of the supercritical carbon dioxide containing impurities; and determining the temperature change range of the supercritical carbon dioxide containing impurities during pipeline venting based on the physical property characteristics.

[0010] In one embodiment of this application, during the transportation of supercritical carbon dioxide containing impurities through a supercritical carbon dioxide pipeline, the method further includes: performing corrosion detection on the supercritical carbon dioxide pipeline to obtain corrosion locations in the supercritical carbon dioxide pipeline where the corrosion degree exceeds a preset corrosion degree threshold; and outputting the location information corresponding to the corrosion location and the corrosion degree.

[0011] The control method for supercritical carbon dioxide pipelines provided in this application involves detecting leaks in the pipeline during the transport of supercritical carbon dioxide containing impurities. This detection identifies the leak location and the extent of leakage at that location. Based on the leakage situation, the method determines the carbon dioxide diffusion concentration in each potential impact zone surrounding the leak location. High-consequence areas where the carbon dioxide diffusion concentration exceeds a preset threshold are then identified from these potential impact zones. Finally, the method outputs the location information and carbon dioxide diffusion concentration corresponding to each high-consequence area. This automatically identifies high-consequence areas around the leak location and promptly outputs their location information and carbon dioxide diffusion concentration, facilitating the implementation of appropriate protective measures for subsequent processing based on these data.

[0012] Another embodiment of this application proposes a control device for a supercritical carbon dioxide pipeline. The device includes: a leak detection module, used to detect leaks in the supercritical carbon dioxide pipeline during the transportation of supercritical carbon dioxide containing impurities through the pipeline, so as to obtain the leak location and the leakage status of supercritical carbon dioxide containing impurities at the leak location; a first determination module, used to determine the carbon dioxide diffusion concentration in each potential impact area around the leak location based on the leak status; a first acquisition module, used to acquire high-consequence areas where the carbon dioxide diffusion concentration exceeds a preset concentration threshold from each potential impact area; and an output module, used to output the location information corresponding to the high-consequence area and the carbon dioxide diffusion concentration corresponding to the high-consequence area.

[0013] In one embodiment of this application, during the process of transporting supercritical carbon dioxide containing impurities through a supercritical carbon dioxide pipeline, the device further includes a pressure control module for controlling the transport pressure in the supercritical carbon dioxide pipeline to be above a preset pressure threshold.

[0014] In one embodiment of this application, the apparatus further includes: a first acquisition module for acquiring the crack arrest toughness of the supercritical carbon dioxide pipeline; a second acquisition module for acquiring the temperature change range of the supercritical carbon dioxide containing impurities during pipeline venting; a judgment module for judging whether the crack arrest toughness meets a preset crack arrest toughness requirement and whether the temperature change range is within the suitable temperature range corresponding to the pipeline material of the supercritical carbon dioxide pipeline; and a second determination module for determining that the supercritical carbon dioxide pipeline is used to transport supercritical carbon dioxide containing impurities when the crack arrest toughness meets the preset crack arrest toughness requirement and the temperature change range is within the suitable temperature range corresponding to the pipeline material of the supercritical carbon dioxide pipeline.

[0015] In one embodiment of this application, the first acquisition module includes: an acquisition unit, configured to acquire the specifications and material of the supercritical carbon dioxide pipeline; and a determination unit, configured to determine the crack arrest toughness of the supercritical carbon dioxide pipeline based on the specifications and material of the supercritical carbon dioxide pipeline.

[0016] In one embodiment of this application, the determining unit is specifically used to: obtain a crack arrest toughness prediction model corresponding to the specification parameters and pipe material of the supercritical carbon dioxide pipeline; and predict the crack arrest toughness of the supercritical carbon dioxide pipeline according to the crack arrest toughness prediction model to obtain the crack arrest toughness of the supercritical carbon dioxide pipeline.

[0017] In one embodiment of this application, the second acquisition module is specifically used to: acquire the physical property characteristics of the supercritical carbon dioxide containing impurities; and determine the temperature change range of the supercritical carbon dioxide containing impurities during pipeline venting based on the physical property characteristics.

[0018] In one embodiment of this application, during the transportation of supercritical carbon dioxide containing impurities through a supercritical carbon dioxide pipeline, the device further includes: a corrosion detection module for detecting corrosion in the supercritical carbon dioxide pipeline to obtain corrosion locations in the supercritical carbon dioxide pipeline where the corrosion degree exceeds a preset corrosion degree threshold; and an output module for outputting location information corresponding to the corrosion location and the corrosion degree.

[0019] The control device for a supercritical carbon dioxide pipeline provided in this application, during the transportation of supercritical carbon dioxide containing impurities through the pipeline, performs leak detection to determine the leak location and the leakage status of the supercritical carbon dioxide containing impurities at the leak location. Based on the leak status, it determines the carbon dioxide diffusion concentration in each potential impact area around the leak location; it identifies high-consequence areas where the carbon dioxide diffusion concentration exceeds a preset concentration threshold from each potential impact area; and it outputs the location information and carbon dioxide diffusion concentration corresponding to the high-consequence areas. Thus, it automatically determines the high-consequence areas around the leak location and promptly outputs the location information and carbon dioxide diffusion concentration of the high-consequence areas, facilitating the adoption of corresponding protective measures for subsequent processing based on the location information and carbon dioxide diffusion concentration of the high-consequence areas.

[0020] Another embodiment of this application proposes an electronic device, including: a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor executes the program to implement the control method for a supercritical carbon dioxide pipeline according to the embodiments of this application.

[0021] Another embodiment of this application proposes a computer-readable storage medium storing a computer program that, when executed by a processor, implements the control method for a supercritical carbon dioxide pipeline according to the embodiments of this application.

[0022] Another embodiment of this application proposes a computer program product, including a computer program that, when executed by a processor, implements the control method for a supercritical carbon dioxide pipeline according to the embodiments of this application. Attached Figure Description

[0023] The accompanying drawings are provided for a better understanding of this solution and do not constitute a limitation of this application. Wherein:

[0024] Figure 1 This is a schematic flowchart of a control method for a supercritical carbon dioxide pipeline according to an embodiment of this application;

[0025] Figure 2 This is a schematic flowchart of a control method for a supercritical carbon dioxide pipeline according to another embodiment of this application;

[0026] Figure 3 This is a schematic flowchart of a control method for a supercritical carbon dioxide pipeline according to another embodiment of this application;

[0027] Figure 4 This is a schematic diagram of the structure of a control device for a supercritical carbon dioxide pipeline according to an embodiment of this application;

[0028] Figure 5 This is a block diagram of an electronic device according to an embodiment of the present application. Detailed Implementation

[0029] Embodiments of the present invention are described in detail below. Examples of these embodiments are illustrated in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, and should not be construed as limiting the present invention.

[0030] The following description, with reference to the accompanying drawings, outlines a control method, apparatus, electronic device, and storage medium for a supercritical carbon dioxide pipeline according to embodiments of this application.

[0031] Figure 1 This is a schematic flowchart illustrating a control method for a supercritical carbon dioxide pipeline according to an embodiment of this application. It should be noted that the control method for the supercritical carbon dioxide pipeline provided in this embodiment is executed by a control device for the supercritical carbon dioxide pipeline. This control device can be implemented in software and / or hardware. Specifically, the control device in this example can be an electronic device, or it can be configured within an electronic device. It is understood that the control device for the supercritical carbon dioxide pipeline in this example is used for managing and controlling the supercritical carbon dioxide pipeline.

[0032] In this example embodiment, the electronic device may include a terminal device, a server, etc. The terminal device may be a PC (Personal Computer), a mobile device, a tablet computer, etc., and this embodiment does not specifically limit it.

[0033] like Figure 1 As shown, the control method for this supercritical carbon dioxide pipeline may include:

[0034] Step 101: During the process of transporting supercritical carbon dioxide containing impurities through a supercritical carbon dioxide pipeline, leak detection is performed on the supercritical carbon dioxide pipeline to obtain the location of the leak and the leakage status of the supercritical carbon dioxide containing impurities at the leak location.

[0035] In this embodiment of the application, in order to maintain a high delivery volume of supercritical carbon dioxide pipeline while keeping carbon dioxide (CO2) in a supercritical state with high delivery efficiency, the delivery pressure in the supercritical carbon dioxide pipeline containing impurities can be controlled to be above a preset pressure threshold during the delivery of supercritical carbon dioxide containing impurities through the supercritical carbon dioxide pipeline.

[0036] The preset pressure threshold is pre-set and can be changed according to the actual situation. For example, the preset pressure threshold can be 8 MPa, which is higher than the critical pressure of CO2. This embodiment does not specifically limit the preset pressure threshold.

[0037] It is understandable that controlling the delivery pressure in the supercritical carbon dioxide pipeline above the preset pressure threshold can keep CO2 in a supercritical state with high delivery efficiency, thereby greatly reducing the required pipe diameter, while maintaining a high delivery volume. Moreover, the requirements for impurities are not high, and the supercritical carbon dioxide pipeline does not require insulation measures.

[0038] It is understandable that, in different application scenarios, there are various ways to detect leaks in supercritical carbon dioxide pipelines to obtain the location of the leak and the leakage of supercritical carbon dioxide containing impurities at the leak location. The following are exemplary descriptions of various implementation methods.

[0039] In one implementation, when a temperature fiber optic sensor is wound around a supercritical carbon dioxide pipeline, the supercritical carbon dioxide pipeline is leaked based on the temperature data output by the temperature fiber optic sensor, so as to obtain the location of the leak in the supercritical carbon dioxide pipeline and the leakage of supercritical carbon dioxide containing impurities at the leak location.

[0040] The leakage information may include, but is not limited to, information such as the leakage rate and duration of supercritical carbon dioxide containing impurities at the leakage location.

[0041] As another approach, a mass balance detection method can be used to detect leaks in supercritical carbon dioxide pipelines, thereby identifying the location of the leak and the extent of leakage of supercritical carbon dioxide containing impurities at that location.

[0042] It is understood that one or more of the above-mentioned implementation methods can be used to detect leaks in supercritical carbon dioxide pipelines, and this embodiment does not specifically limit this.

[0043] Step 102: Based on the leakage situation, determine the carbon dioxide diffusion concentration in each potential impact area around the leakage location.

[0044] In some examples, after determining the location of the leak, multiple potential impact areas can be formed around the leak location. For example, a target area can be formed with the leak location as the center and a preset length as the radius, and the target area can be divided to obtain multiple potential impact areas.

[0045] The preset length is set in advance in the device, and the value of the preset length is determined in advance based on the experiment. This embodiment does not specifically limit the value of the preset length.

[0046] In some examples, the carbon dioxide diffusion concentration in each potential impact area can be calculated based on the leakage rate and leakage duration included in the leakage situation, so as to obtain the corresponding carbon dioxide diffusion concentration in each potential impact area.

[0047] In other examples, a corresponding concentration diffusion simulation model can be determined based on the leakage situation, and the carbon dioxide diffusion concentration in each potential impact area can be determined based on the concentration diffusion simulation model.

[0048] Step 103: Identify high-consequence areas where the carbon dioxide diffusion concentration exceeds a preset concentration threshold from each potential impact area.

[0049] The preset concentration threshold is a pre-set critical value for the carbon dioxide diffusion concentration; for example, the preset concentration threshold could be 6 × 10⁻⁶. 4 ppmv (parts per million volumes), where it is understood that the value of the preset concentration threshold can be preset according to actual needs, and this embodiment does not specifically limit it.

[0050] In this example, the high-consequence area is the potential impact area where the carbon dioxide diffusion concentration exceeds the preset concentration threshold in each potential impact area.

[0051] Step 104: Output the location information of the high-consequence area and the carbon dioxide diffusion concentration of the high-consequence area.

[0052] In this example, the location information of the high-consequence area and the carbon dioxide diffusion concentration of the high-consequence area can be output by voice and / or display. This embodiment does not specifically limit the output method of the location information of the high-consequence area and the carbon dioxide diffusion concentration of the high-consequence area.

[0053] In this example, to promptly alert the relevant management personnel, in addition to determining the location information and carbon dioxide diffusion concentration of the high-consequence area, an alarm sound can also be output. The alarm sound will alert the management personnel that there is a leak in the supercritical carbon dioxide pipeline, allowing them to promptly check the location information and carbon dioxide diffusion concentration of the high-consequence area based on the alarm sound.

[0054] The control method for supercritical carbon dioxide pipelines provided in this application involves detecting leaks in the pipeline during the transport of supercritical carbon dioxide containing impurities. This detection identifies the leak location and the extent of leakage at that location. Based on the leakage situation, the method determines the carbon dioxide diffusion concentration in each potential impact zone surrounding the leak location. High-consequence areas where the carbon dioxide diffusion concentration exceeds a preset threshold are then identified from these potential impact zones. Finally, the method outputs the location information and carbon dioxide diffusion concentration corresponding to each high-consequence area. This automatically identifies high-consequence areas around the leak location and promptly outputs their location information and carbon dioxide diffusion concentration, facilitating the implementation of appropriate protective measures for subsequent processing based on these data.

[0055] In the embodiments of this application, determining whether the supercritical carbon dioxide pipeline containing impurities is suitable for transporting such supercritical carbon dioxide before transporting it is crucial for ensuring its safe transport. The following discussion, in conjunction with... Figure 2 An exemplary description is provided of the process by which the supercritical carbon dioxide pipeline was determined to be suitable for transporting supercritical carbon dioxide containing impurities.

[0056] Figure 2 This is a schematic flowchart of a control method for a supercritical carbon dioxide pipeline according to another embodiment of this application.

[0057] like Figure 2 As shown, it may include:

[0058] Step 201: Obtain the crack arrest toughness of the supercritical carbon dioxide pipeline.

[0059] In this embodiment, one possible way to obtain the crack arrest toughness of a supercritical carbon dioxide pipeline is as follows: obtain the specifications and material of the supercritical carbon dioxide pipeline; determine the crack arrest toughness of the supercritical carbon dioxide pipeline based on its specifications and material. Thus, by combining the specifications and material of the supercritical carbon dioxide pipeline, the crack arrest toughness of the supercritical carbon dioxide pipeline can be accurately determined.

[0060] In this example, the supercritical carbon dioxide pipeline is made of steel.

[0061] In this embodiment, one possible way to determine the crack arrest toughness of a supercritical carbon dioxide pipeline based on its specifications and material is as follows: Obtain a crack arrest toughness prediction model corresponding to the specifications and material of the supercritical carbon dioxide pipeline; predict the crack arrest toughness of the supercritical carbon dioxide pipeline based on the prediction model to obtain its crack arrest toughness. Thus, by combining the corresponding crack arrest toughness prediction model, the crack arrest toughness of the supercritical carbon dioxide pipeline is accurately determined.

[0062] It should be noted that the aforementioned crack arrest toughness prediction model is pre-established. An exemplary process for pre-establishing the crack arrest toughness prediction model is as follows: Burst test data can be obtained from a burst test pipeline with the specified parameters and material. Then, using the Battelle hyperbolic crack arrest toughness calculation formula, the crack propagation or arrest of the burst test pipeline is predicted to obtain the prediction result. Based on the prediction result and the corresponding burst test data, the crack arrest toughness prediction model is established. Specifically, the crack arrest toughness prediction model can be established by comparing the prediction result with the corresponding burst test data.

[0063] Step 202: Obtain the temperature change range of supercritical carbon dioxide containing impurities during the pipeline venting process.

[0064] In this example, the physical property information of supercritical carbon dioxide containing impurities can be obtained; based on this information, the temperature variation range of supercritical carbon dioxide containing impurities during pipeline venting is determined. Therefore, by combining the physical property information of supercritical carbon dioxide containing impurities, the temperature variation range of supercritical carbon dioxide containing impurities during pipeline venting can be accurately determined.

[0065] In this example, the supercritical carbon dioxide containing impurities will experience a temperature drop during the pipeline venting process.

[0066] In this example, the physical property information may include, but is not limited to, the thermodynamic and kinetic characteristics of supercritical carbon dioxide containing impurities.

[0067] Step 203: Determine whether the crack arrest toughness meets the preset crack arrest toughness requirements, and determine whether the temperature change range is within the applicable temperature range corresponding to the pipe material of the supercritical carbon dioxide pipeline.

[0068] Step 204: If the crack arrest toughness meets the preset crack arrest toughness requirements and the temperature change range is within the applicable temperature range corresponding to the pipe material of the supercritical carbon dioxide pipeline, then it is determined that a supercritical carbon dioxide pipeline containing impurities will be used to transport the supercritical carbon dioxide.

[0069] In this example, it is determined whether the supercritical carbon dioxide pipeline can be used to transport supercritical carbon dioxide containing impurities. When it is determined that the supercritical carbon dioxide pipeline can be used to transport supercritical carbon dioxide, the supercritical carbon dioxide is transported through the supercritical carbon dioxide pipeline, thereby improving the safety of pipeline operation and the safety of supercritical carbon dioxide transmission.

[0070] It can be understood that if the crack arrest toughness does not meet the preset crack arrest toughness requirement and the temperature change range is outside the applicable temperature range corresponding to the pipe material of the supercritical carbon dioxide pipeline; or, if the crack arrest toughness does not meet the preset crack arrest toughness requirement and the temperature change range is within the applicable temperature range corresponding to the pipe material of the supercritical carbon dioxide pipeline; or, if the crack arrest toughness meets the preset crack arrest toughness requirement but the temperature change range is outside the applicable temperature range corresponding to the pipe material of the supercritical carbon dioxide pipeline, then in the above three cases, it can be determined that the supercritical carbon dioxide pipeline does not meet the requirements for the transmission of supercritical carbon dioxide containing impurities, that is, it can be determined that the supercritical carbon dioxide pipeline cannot be used to transmit supercritical carbon dioxide containing impurities.

[0071] Based on any of the above embodiments, during the transportation of supercritical carbon dioxide containing impurities through a supercritical carbon dioxide pipeline, ensuring that personnel are aware of the corrosion locations within the pipeline is crucial for guaranteeing the safety of supercritical carbon dioxide transmission. The following section combines... Figure 3 The process is described exemplarily.

[0072] Figure 3 This is a schematic flowchart of a control method for a supercritical carbon dioxide pipeline according to another embodiment of this application.

[0073] like Figure 3 As shown, the method may further include:

[0074] Step 301: Conduct corrosion detection on the supercritical carbon dioxide pipeline to identify the corrosion locations in the supercritical carbon dioxide pipeline where the corrosion level exceeds a preset corrosion level threshold.

[0075] In this example, corrosion detection equipment installed on the supercritical carbon dioxide pipeline can be used to detect corrosion in the supercritical carbon dioxide pipeline, and based on the corrosion detection results, the corrosion locations in the supercritical carbon dioxide pipeline where the corrosion degree exceeds a preset corrosion degree threshold can be determined.

[0076] The corrosion degree threshold is a pre-set critical value for the degree of corrosion. In practical applications, the corrosion degree threshold can be pre-set according to actual needs. This embodiment does not specifically limit the corrosion degree threshold.

[0077] Step 302: Output the location information and degree of corrosion corresponding to the corrosion location.

[0078] In this example, the location information and degree of corrosion corresponding to the corrosion location can be output by display and / or voice. This embodiment does not specifically limit the method of outputting the location information and degree of corrosion corresponding to the corrosion location.

[0079] In this example, in addition to outputting the location information and corrosion level of the corrosion site, a corresponding alarm sound can also be output. This alarm sound is used to alert the relevant management personnel that the supercritical carbon dioxide pipeline has a corrosion level exceeding a preset corrosion threshold. This allows the management personnel to promptly check the location information and corrosion level after hearing the alarm sound.

[0080] It should be noted that, in this example, the alarm sounds output when a leak or corrosion occurs in the supercritical carbon dioxide pipeline can be different. In this example, the location of corrosion in the supercritical carbon dioxide pipeline exceeding a preset corrosion threshold is promptly identified, and the location information and corrosion degree corresponding to the corrosion location are output. This allows relevant management personnel to promptly obtain information about the location and degree of corrosion.

[0081] Corresponding to the control methods for supercritical carbon dioxide pipelines provided in the above embodiments, one embodiment of this application also provides a control device for supercritical carbon dioxide pipelines. Since the control device for supercritical carbon dioxide pipelines provided in this embodiment corresponds to the control methods for supercritical carbon dioxide pipelines provided in the above embodiments, the implementation methods for supercritical carbon dioxide pipelines are also applicable to the control device for supercritical carbon dioxide pipelines in this embodiment, and will not be described in detail in this embodiment.

[0082] Figure 4This is a schematic diagram of the structure of a control device for a supercritical carbon dioxide pipeline according to an embodiment of this application.

[0083] like Figure 4 As shown, the control device 400 for the supercritical carbon dioxide pipeline includes: a leak detection module 401, a first determination module 402, a first acquisition module 403, and an output module 404. Wherein:

[0084] Leak detection module 401 is used to detect leaks in the supercritical carbon dioxide pipeline during the transportation of supercritical carbon dioxide containing impurities through the supercritical carbon dioxide pipeline, so as to obtain the location of the leak in the supercritical carbon dioxide pipeline and the leakage status of supercritical carbon dioxide containing impurities at the leak location.

[0085] The first determining module 402 is used to determine the carbon dioxide diffusion concentration in each potential impact area around the leak location based on the leak situation;

[0086] The first acquisition module 403 is used to acquire high-consequence areas from various potential impact areas where the carbon dioxide diffusion concentration exceeds a preset concentration threshold.

[0087] Output module 404 is used to output the location information of the high-consequence area and the carbon dioxide diffusion concentration of the high-consequence area.

[0088] In one embodiment of this application, during the process of conveying supercritical carbon dioxide containing impurities through a supercritical carbon dioxide pipeline, the apparatus further includes:

[0089] The pressure control module is used to control the delivery pressure in the supercritical carbon dioxide pipeline to be above a preset pressure threshold.

[0090] In one embodiment of this application, the apparatus further includes:

[0091] The first acquisition module is used to acquire the crack arrest toughness of the supercritical carbon dioxide pipeline;

[0092] The second acquisition module is used to acquire the temperature change range of supercritical carbon dioxide containing impurities during the pipeline venting process;

[0093] The judgment module is used to determine whether the crack arrest toughness meets the preset crack arrest toughness requirements and whether the temperature change range is within the applicable temperature range corresponding to the pipe material of the supercritical carbon dioxide pipeline.

[0094] The second determining module is used to determine whether to use a supercritical carbon dioxide pipeline to transport supercritical carbon dioxide containing impurities, provided that the crack arrest toughness meets the preset crack arrest toughness requirements and the temperature change range is within the suitable temperature range corresponding to the pipeline material of the supercritical carbon dioxide pipeline.

[0095] In one embodiment of this application, the first acquisition module includes:

[0096] The acquisition unit is used to acquire the specifications and material of the supercritical carbon dioxide pipeline.

[0097] The determination unit is used to determine the crack arrest toughness of supercritical carbon dioxide pipelines based on their specifications and material.

[0098] In one embodiment of this application, the determining unit is specifically used for:

[0099] Obtain a crack arrest toughness prediction model corresponding to the specification parameters and pipe material of the supercritical carbon dioxide pipeline;

[0100] Based on the crack arrest toughness prediction model, the crack arrest toughness of supercritical carbon dioxide pipelines is predicted to obtain the crack arrest toughness of supercritical carbon dioxide pipelines.

[0101] In one embodiment of this application, the second acquisition module is specifically used for:

[0102] To obtain physical property information of supercritical carbon dioxide containing impurities;

[0103] Based on physical property information, the temperature change range of supercritical carbon dioxide containing impurities during pipeline venting is determined.

[0104] In one embodiment of this application, during the process of conveying supercritical carbon dioxide containing impurities through a supercritical carbon dioxide pipeline, the apparatus further includes:

[0105] The corrosion detection module is used to detect corrosion in supercritical carbon dioxide pipelines to identify the locations in the pipelines where the corrosion level exceeds a preset corrosion level threshold.

[0106] The output module is also used to output the location information and degree of corrosion corresponding to the corrosion location.

[0107] The control device for a supercritical carbon dioxide pipeline provided in this application, during the transportation of supercritical carbon dioxide containing impurities through the pipeline, performs leak detection to determine the leak location and the leakage status of the supercritical carbon dioxide containing impurities at the leak location. Based on the leak status, it determines the carbon dioxide diffusion concentration in each potential impact area around the leak location; it identifies high-consequence areas where the carbon dioxide diffusion concentration exceeds a preset concentration threshold from each potential impact area; and it outputs the location information and carbon dioxide diffusion concentration corresponding to the high-consequence areas. Thus, it automatically determines the high-consequence areas around the leak location and promptly outputs the location information and carbon dioxide diffusion concentration of the high-consequence areas, facilitating the adoption of corresponding protective measures for subsequent processing based on the location information and carbon dioxide diffusion concentration of the high-consequence areas.

[0108] According to embodiments of this application, this application also provides an electronic device and a readable storage medium.

[0109] Figure 5 This is a structural block diagram of an electronic device according to an embodiment of this application.

[0110] like Figure 5 As shown, the electronic device 500 includes: a memory 510, a processor 520, and computer instructions stored in the memory 510 and executable on the processor 520.

[0111] When the processor 520 executes instructions, it implements the control method for the supercritical carbon dioxide pipeline provided in the above embodiments.

[0112] Furthermore, the electronic device 500 also includes:

[0113] Communication interface 530 is used for communication between memory 510 and processor 520.

[0114] Memory 510 is used to store computer instructions that can be executed on processor 520.

[0115] The memory 510 may include high-speed RAM memory, and may also include non-volatile memory, such as at least one disk storage device.

[0116] The processor 520 is used to implement the control method for the supercritical carbon dioxide pipeline described in the above embodiments when executing the program.

[0117] If the memory 510, processor 520, and communication interface 530 are implemented independently, then the communication interface 530, memory 510, and processor 520 can be interconnected via a bus to complete communication between them. The bus can be an Industry Standard Architecture (ISA) bus, a Peripheral Component Interconnect (PCI) bus, or an Extended Industry Standard Architecture (EISA) bus, etc. The bus can be divided into address bus, data bus, control bus, etc. For ease of representation, Figure 5 The bus is represented by a single thick line, but this does not mean that there is only one bus or one type of bus.

[0118] Optionally, in a specific implementation, if the memory 510, processor 520, and communication interface 530 are integrated on a single chip, then the memory 510, processor 520, and communication interface 530 can communicate with each other through an internal interface.

[0119] The processor 520 may be a central processing unit (CPU), an application specific integrated circuit (ASIC), or one or more integrated circuits configured to implement the embodiments of this application.

[0120] Another embodiment of this application proposes a computer-readable storage medium having a computer program stored thereon, which, when executed by a processor, implements the control method for a supercritical carbon dioxide pipeline disclosed in the embodiments of this application.

[0121] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0122] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this invention, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0123] Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of the present invention.

Claims

1. A control method for a supercritical carbon dioxide pipeline, characterized in that, The method includes: During the transportation of supercritical carbon dioxide containing impurities through a supercritical carbon dioxide pipeline, leak detection is performed on the supercritical carbon dioxide pipeline to obtain the location of the leak and the leakage status of the supercritical carbon dioxide containing impurities at the leak location. Based on the leakage situation, the carbon dioxide diffusion concentration in each potential impact area around the leakage location is determined. The potential impact area is a target area formed with the leakage location as the center and a preset length as the radius, and the target area is divided into sub-areas. Identify high-consequence areas where carbon dioxide diffusion concentrations exceed preset concentration thresholds from various potential impact zones; Output the location information corresponding to the high-consequence region and the carbon dioxide diffusion concentration corresponding to the high-consequence region.

2. The method as described in claim 1, characterized in that, In the process of transporting supercritical carbon dioxide containing impurities through a supercritical carbon dioxide pipeline, the method further includes: The delivery pressure in the supercritical carbon dioxide pipeline is controlled to be above a preset pressure threshold.

3. The method as described in claim 1, characterized in that, The method further includes: The crack arrest toughness of the supercritical carbon dioxide pipeline was obtained. The temperature change range of the supercritical carbon dioxide containing impurities during the pipeline venting process was obtained; Determine whether the crack arrest toughness meets the preset crack arrest toughness requirements, and determine whether the temperature change range is within the suitable temperature range corresponding to the pipe material of the supercritical carbon dioxide pipeline. If the crack arrest toughness meets the preset crack arrest toughness requirement, and the temperature change range is within the suitable temperature range corresponding to the pipe material of the supercritical carbon dioxide pipeline, then it is determined that the supercritical carbon dioxide pipeline will be used to transport supercritical carbon dioxide containing impurities.

4. The method as described in claim 3, characterized in that, The process of obtaining the crack arrest toughness of the supercritical carbon dioxide pipeline includes: Obtain the specifications and material of the supercritical carbon dioxide pipeline; The crack arrest toughness of the supercritical carbon dioxide pipeline is determined based on its specifications and material.

5. The method as described in claim 4, characterized in that, The determination of the crack arrest toughness of the supercritical carbon dioxide pipeline based on its specifications and material includes: Obtain a crack arrest toughness prediction model corresponding to the specification parameters and pipe material of the supercritical carbon dioxide pipeline; Based on the crack arrest toughness prediction model, the crack arrest toughness of the supercritical carbon dioxide pipeline is predicted to obtain the crack arrest toughness of the supercritical carbon dioxide pipeline.

6. The method as described in claim 3, characterized in that, The process of obtaining the temperature change range of the supercritical carbon dioxide containing impurities during pipeline venting includes: Obtain the physical property characteristics of the supercritical carbon dioxide containing impurities; Based on the aforementioned physical property information, the temperature variation range of the supercritical carbon dioxide containing impurities during the pipeline venting process is determined.

7. The method as described in claim 1, characterized in that, In the process of transporting supercritical carbon dioxide containing impurities through a supercritical carbon dioxide pipeline, the method further includes: The supercritical carbon dioxide pipeline is subjected to corrosion detection to identify the corrosion locations in the supercritical carbon dioxide pipeline where the corrosion level exceeds a preset corrosion level threshold. Output the location information corresponding to the corrosion location and the degree of corrosion.

8. A control device for a supercritical carbon dioxide pipeline, characterized in that, The device includes: The leakage detection module is used to detect leaks in the supercritical carbon dioxide pipeline during the transportation of supercritical carbon dioxide containing impurities through the supercritical carbon dioxide pipeline, so as to obtain the location of the leak in the supercritical carbon dioxide pipeline and the leakage status of supercritical carbon dioxide containing impurities at the leak location. The first determining module is used to determine the carbon dioxide diffusion concentration in each potential impact area around the leak location based on the leak situation. The potential impact area is a target area formed with the leak location as the center and a preset length as the radius, and the target area is divided into sections. The first acquisition module is used to acquire high-consequence areas where the carbon dioxide diffusion concentration exceeds a preset concentration threshold from various potential impact areas; The output module is used to output the location information corresponding to the high-consequence area and the carbon dioxide diffusion concentration corresponding to the high-consequence area.

9. The apparatus as claimed in claim 8, characterized in that, In the process of transporting supercritical carbon dioxide containing impurities through a supercritical carbon dioxide pipeline, the device further includes: The pressure control module is used to control the delivery pressure in the supercritical carbon dioxide pipeline to be above a preset pressure threshold.

10. The apparatus as claimed in claim 8, characterized in that, The device further includes: The first acquisition module is used to acquire the crack arrest toughness of the supercritical carbon dioxide pipeline; The second acquisition module is used to acquire the temperature change range of the supercritical carbon dioxide containing impurities during the pipeline venting process; The judgment module is used to determine whether the crack arrest toughness meets the preset crack arrest toughness requirements, and to determine whether the temperature change range is within the suitable temperature range corresponding to the pipe material of the supercritical carbon dioxide pipeline. The second determining module is used to determine whether to use the supercritical carbon dioxide pipeline to transport supercritical carbon dioxide containing impurities, provided that the crack arrest toughness meets the preset crack arrest toughness requirement and the temperature change range is within the suitable temperature range corresponding to the pipeline material of the supercritical carbon dioxide pipeline.

11. The apparatus as claimed in claim 10, characterized in that, The first acquisition module includes: The acquisition unit is used to acquire the specifications and material of the supercritical carbon dioxide pipeline. The determining unit is used to determine the crack arrest toughness of the supercritical carbon dioxide pipeline based on its specifications and material.

12. The apparatus as claimed in claim 11, characterized in that, The determining unit is specifically used for: Obtain a crack arrest toughness prediction model corresponding to the specification parameters and pipe material of the supercritical carbon dioxide pipeline; Based on the crack arrest toughness prediction model, the crack arrest toughness of the supercritical carbon dioxide pipeline is predicted to obtain the crack arrest toughness of the supercritical carbon dioxide pipeline.

13. The apparatus as claimed in claim 10, characterized in that, The second acquisition module is specifically used for: Obtain the physical property characteristics of the supercritical carbon dioxide containing impurities; Based on the aforementioned physical property information, the temperature variation range of the supercritical carbon dioxide containing impurities during the pipeline venting process is determined.

14. The apparatus as claimed in claim 8, characterized in that, In the process of transporting supercritical carbon dioxide containing impurities through a supercritical carbon dioxide pipeline, the device further includes: The corrosion detection module is used to perform corrosion detection on the supercritical carbon dioxide pipeline to obtain the corrosion locations in the supercritical carbon dioxide pipeline where the corrosion degree exceeds a preset corrosion degree threshold. The output module is also used to output the location information corresponding to the corrosion location and the degree of corrosion.

15. An electronic device, characterized in that, include: A memory, a processor, and a computer program stored in the memory and executable on the processor, characterized in that the processor, when executing the computer program, implements the method as described in any one of claims 1-7.

16. A computer-readable storage medium having a computer program stored thereon, characterized in that, When the computer program is executed by a processor, it implements the method as described in any one of claims 1-7.

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