System and method for enhancing inhibition of pipeline hydrogen embrittlement through carbon monoxide and oxygen coupling

Abstract

The invention relates to the technical field of hydrogen conveying pipelines, and discloses a system and method for enhancing inhibition of pipeline hydrogen embrittlement through carbon monoxide and oxygen coupling, and the system comprises a monitoring module which comprises a monitoring unit and a user terminal; the monitoring unit is used for monitoring a pre-regulation gas source concentration value matched with the type of the gas source and a post-regulation gas source concentration value matched with the type of the gas source; the monitoring module is used for determining the gas source concentration regulation and control amplitude according to the gas source concentration value before regulation and control, the gas source concentration value after regulation and control and a preset target gas source concentration value; the gas distribution regulation and control module comprises a gas source unit, a buffer unit corresponding to the gas source unit, and a coupling regulation and control unit; and the gas distribution regulation and control module is used for carrying out gas distribution regulation and control on the gas flow rate in the hydrogen conveying pipeline to be regulated and controlled based on the gas source concentration regulation and control amplitude. According to the technical scheme provided by the invention, the hydrogen embrittlement risk of the pipe can be reduced by utilizing the principle that the hydrogen embrittlement action of the material is reinforced by the coupling action of carbon monoxide and oxygen.

Description

Technical Field

[0001] The present application relates to the technical field of hydrogen transmission pipelines, and in particular to a system and method for enhancing the inhibition of pipeline hydrogen embrittlement by coupling carbon monoxide and oxygen. Background Art

[0002] Hydrogen embrittlement is the main problem faced by hydrogen pipeline transportation. The interaction between hydrogen molecules and pipeline materials will lead to a decrease in material ductility and aggravation of fatigue cracks, affecting pipeline safety and life. Although there are some protective technologies such as gas inhibitors or specific operating steps, they are still difficult to be widely used due to gas composition restrictions, complex operations, and high costs during implementation.

[0003] The current technical problem that urgently needs to be solved is how to develop an efficient, low-cost and easy-to-implement hydrogen embrittlement protection method to ensure the safety and stability of hydrogen pipeline transportation. Summary of the invention

[0004] The present application provides a system and method for enhancing the inhibition of pipeline hydrogen embrittlement by coupling carbon monoxide and oxygen, achieving the technical effect of reducing the risk of hydrogen embrittlement of pipes and ensuring the safe transportation of hydrogen.

[0005] In order to achieve the above objectives, the main technical solutions adopted in this application include: In a first aspect, an embodiment of the present application provides a system for enhancing the inhibition of pipeline hydrogen embrittlement by coupling carbon monoxide and oxygen, the system comprising: A monitoring module, the monitoring module comprising a monitoring unit and a user terminal; one end of the monitoring unit is connected to the hydrogen transmission pipeline to be regulated through a pipeline for monitoring the gas source concentration value before regulation matching the type of the gas source, and the gas source concentration value after regulation matching the type of the gas source; the other end of the monitoring unit is electrically connected to the user terminal; the monitoring module is used to determine the gas source concentration regulation amplitude according to the gas source concentration value before regulation, the gas source concentration value after regulation and a preset target gas source concentration value; A gas distribution and control module, the gas distribution and control module includes at least two gas source units of different gas source types and buffer units corresponding to the gas source units, and a coupling control unit; the gas outlet end of the gas source unit is connected to the gas inlet end of the buffer unit through a pipeline; the gas outlet end of the buffer unit is connected to the gas inlet end of the coupling control unit through a pipeline; the gas outlet end of the coupling control unit is connected to the hydrogen pipeline to be regulated through a bend pipe; the gas distribution and control module is used to perform gas distribution and control on the gas flow rate in the hydrogen pipeline to be regulated based on the gas source concentration control range; wherein the gas source types include carbon monoxide and oxygen.

[0006] The present embodiment provides a system for suppressing pipeline hydrogen embrittlement by coupling carbon monoxide and oxygen. Through the coordinated work of the monitoring module and the gas distribution control module, accurate monitoring and automatic control of the gas source concentration in the hydrogen transmission pipeline to be regulated are achieved. The monitoring module monitors the gas source concentration in real time, and compares the gas source concentration value before and after the regulation with the preset target gas source concentration value, calculates the gas source concentration regulation range, and provides an adjustment basis for the gas distribution control module. The gas distribution control module automatically adjusts the gas flow rate and ratio by precisely controlling the gas source unit, the buffer unit, and the coupling control unit to ensure that the gas concentration meets the requirements. The system supports flexible control of multiple gas source types, enhances adaptability and operability, and at the same time improves the system's response speed and control accuracy to ensure the stability and consistency of the gas source concentration. This automated and precise control mechanism greatly improves the efficiency, stability, and reliability of the system.

[0007] In one embodiment, a first electrically controlled pneumatic valve is connected to the pipeline between the gas source unit and the buffer unit, for regulating a first flow rate of the gas source entering the buffer unit from the gas source unit; A second electrically-controlled pneumatic valve is connected to the pipeline between the buffer unit and the coupling regulation unit, and is used to regulate a second flow rate of the gas source entering the coupling regulation unit from the buffer unit; Wherein, the first flow rate is greater than a specified multiple of the second flow rate.

[0008] This embodiment adjusts the flow rate of the gas source by precisely regulating two electrically controlled pneumatic valves, which are respectively located between the gas source unit and the buffer unit, and between the buffer unit and the coupling control unit, so as to ensure the stability and accuracy of the airflow in the system. The first electrically controlled pneumatic valve regulates the flow rate of the gas source flowing into the buffer unit to ensure that the gas source enters stably; the second electrically controlled pneumatic valve regulates the flow rate of the gas source when it enters the coupling control unit to avoid uneven or too fast airflow. By setting the design in which the first flow rate is greater than the second flow rate, the impact of airflow can be effectively avoided, the flow of the gas source can be kept stable and uniform, and the control accuracy of the system can be improved. It not only improves the response speed and stability of the system, but also optimizes the regulation of airflow concentration, reduces energy loss, and improves the efficiency and reliability of the overall system.

[0009] In one embodiment, the monitoring unit includes a regulating electric-controlled pneumatic valve and a gas composition detector, wherein: One end of the regulating electric-controlled pneumatic valve is connected to the hydrogen pipeline to be regulated through a pipeline for obtaining a regulating gas source, and the other end of the regulating electric-controlled pneumatic valve is connected to the regulating gas composition detector through a pipeline for monitoring a regulating gas source concentration value that matches the type of the gas source, and a regulated gas source concentration value that matches the type of the gas source; The other end of the regulated gas composition detector is electrically connected to the user terminal.

[0010] This embodiment achieves precise control and real-time monitoring of the gas source concentration by regulating the coordinated work of the electric-controlled pneumatic valve and the gas composition detector. The system can ensure that the gas source concentration matches the required gas source type, and transmit the gas concentration data to the user terminal through a real-time feedback mechanism, so that the user can grasp the changes in the gas source concentration in a timely manner and make adjustments, thereby improving the controllability of the operation and the reliability of the system. In addition, the system can automatically monitor and adjust the gas source concentration, reducing human intervention and improving the level of intelligent control. Overall, the system significantly improves the stability, safety and efficiency of the system through precise gas control and real-time feedback.

[0011] In a second aspect, an embodiment of the present application provides a method for inhibiting pipeline hydrogen embrittlement by coupling carbon monoxide and oxygen, which is applied to the above-mentioned system, and the method includes: Obtaining the diameter of the hydrogen pipeline and the gas flow rate of the hydrogen pipeline to be regulated, and the diameter of the elbow for gas distribution regulation of the hydrogen pipeline to be regulated; wherein the gas source for gas distribution regulation includes carbon monoxide and oxygen; Using the gas source to perform gas distribution control on the hydrogen transmission pipeline to be regulated, and monitoring the gas source concentration value before and after the control that matches the type of the gas source; Based on the diameter of the hydrogen pipeline, the gas flow rate, the preset target gas source concentration value, the gas source concentration value before regulation, the gas source concentration value after regulation and the diameter of the elbow, a target regulation flow rate matching the type of the gas source is determined to make the pressure in the hydrogen pipeline to be regulated and the diameter of the elbow consistent.

[0012] This embodiment provides a method for enhancing the inhibition of pipeline hydrogen embrittlement by coupling carbon monoxide and oxygen. By obtaining parameters such as the diameter of the hydrogen pipeline to be regulated, the gas flow rate, and the diameter of the elbow, basic data is provided for subsequent regulation. Through the flexible regulation of multiple gas sources, the system can adjust the gas concentration in real time according to the physical and chemical properties of different gas sources, and monitor the regulation effect to ensure that the target gas source concentration is accurately achieved. Further combined with multiple factors such as the diameter of the hydrogen pipeline, gas flow rate, concentration value, and elbow diameter, the system can accurately calculate the target regulation flow rate, ensure the stability of gas flow in the pipeline, and maintain a consistent pressure distribution, thereby avoiding problems such as uneven airflow or uneven mixing. This comprehensive regulation scheme not only improves the adaptability and flexibility of the system, but also significantly improves the overall operating efficiency and reduces the probability of failure.

[0013] In one embodiment, determining a target regulated flow rate that matches the type of the gas source includes: Determine the difference before regulation between the gas source concentration value before regulation and the target gas source concentration value; Determine a post-regulation difference between the post-regulation gas source concentration value and the target gas source concentration value; Determining the gas source concentration control range according to the comparison between the difference before control and the difference after control; The gas flow rate is regulated according to the diameter of the hydrogen transmission pipeline, the diameter of the elbow and the gas source concentration control range to obtain the target regulated flow rate that matches the type of the gas source.

[0014] In this embodiment, by calculating the difference between the gas source concentration value before regulation and the target concentration value, the system can clearly understand the deviation between the current gas concentration and the target concentration, and provide data support for subsequent regulation. Then, by monitoring the difference between the gas source concentration value after regulation and the target concentration value, the system evaluates the regulation effect in real time and determines whether further adjustment is needed. According to the concentration difference before and after regulation, the system determines the regulation range of the gas source concentration, and adjusts the gas flow rate accordingly to ensure the matching of flow rate and concentration. Finally, based on the pipeline parameters and the regulation range, the system accurately adjusts the gas flow rate to ensure the precise matching of the gas mixing ratio. This series of operations realizes the precise ratio of gas concentration and flow rate, improves the regulation accuracy, stability and efficiency of the transportation system, and optimizes the operation effect of the hydrogen pipeline.

[0015] In one embodiment, the target gas source concentration value corresponding to the carbon monoxide is less than or equal to 3%, and the target gas source concentration value corresponding to the oxygen is less than or equal to 0.5%, calculated by volume percentage.

[0016] This embodiment can effectively reduce the risk of hydrogen embrittlement by controlling the concentrations of carbon monoxide and oxygen. The carbon monoxide concentration is set to be less than or equal to 3%, which can reduce the adsorption and penetration of hydrogen atoms on the metal surface by competing with hydrogen atoms for adsorption sites, thereby inhibiting the diffusion of hydrogen. The oxygen concentration is set to be less than or equal to 0.5%, which can form a dense oxide film on the metal surface, further reducing the penetration of hydrogen, while avoiding oxidation corrosion caused by excessive oxygen concentration. By strictly controlling the concentrations of carbon monoxide and oxygen, the safety and stability of metal materials in a hydrogen environment are significantly improved, the service life of the material is extended, and accidents and losses caused by hydrogen embrittlement are reduced.

[0017] In one embodiment, when the target gas source concentration value corresponding to carbon monoxide is less than or equal to 0.1% and the target gas source concentration value corresponding to oxygen is less than or equal to 0.1%, the ratio between the target gas source concentration value corresponding to carbon monoxide and the target gas source concentration value corresponding to oxygen is 1:1.

[0018] This embodiment can play a synergistic role in inhibiting the adsorption and penetration of hydrogen by controlling the concentrations of carbon monoxide and oxygen to be less than or equal to 0.1% respectively, and maintaining the concentration ratio of the two at 1:1. At this ratio, carbon monoxide effectively reduces the adsorption of hydrogen on the metal surface by competing with hydrogen atoms for adsorption sites, while oxygen can form a dense oxide film on the metal surface, further inhibiting the penetration of hydrogen. By maintaining the concentration ratio of carbon monoxide and oxygen at 1:1, the uneven adsorption phenomenon caused by excessive concentration of a single gas can be avoided, thereby ensuring more effective protection. This precise control of gas concentration helps to minimize the risk of hydrogen embrittlement and improve the safety and durability of metal materials in hydrogen environments.

[0019] In a third aspect, an embodiment of the present application provides a device for inhibiting pipeline hydrogen embrittlement by coupling carbon monoxide and oxygen, which is applied to the above-mentioned system, and the device includes: An acquisition unit is used to acquire the diameter of the hydrogen pipeline to be regulated and the gas flow rate of the hydrogen pipeline to be regulated, and the diameter of the elbow for gas distribution regulation of the hydrogen pipeline to be regulated; wherein the gas source for gas distribution regulation includes carbon monoxide and oxygen; A monitoring unit, used to use the gas source to perform gas distribution control on the hydrogen transmission pipeline to be regulated, and monitor the gas source concentration value before and after the control that matches the type of the gas source; The control unit is used to determine the target control flow rate that matches the type of the gas source based on the diameter of the hydrogen pipeline, the gas flow rate, the preset target gas source concentration value, the gas source concentration value before control, the gas source concentration value after control and the diameter of the elbow, so as to make the pressure in the hydrogen pipeline to be regulated and the diameter of the elbow consistent.

[0020] In a fourth aspect, an embodiment of the present application provides a computer device, including: A memory and a processor, wherein the memory and the processor are communicatively connected to each other, the memory stores computer instructions, and the processor executes the above-mentioned method of enhancing the inhibition of pipeline hydrogen embrittlement by coupling carbon monoxide and oxygen by executing the computer instructions.

[0021] In a fifth aspect, an embodiment of the present application provides a computer-readable storage medium having computer instructions stored thereon, wherein the computer instructions are used to enable a computer to execute the above-described method for enhancing the inhibition of pipeline hydrogen embrittlement by coupling carbon monoxide and oxygen. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the specific implementation methods of the present application or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0023] Figure 1 A schematic diagram of a system for enhancing the inhibition of hydrogen embrittlement of pipelines by coupling carbon monoxide and oxygen provided in an embodiment of the present application; Figure 2 A flow chart of a method for enhancing the inhibition of pipeline hydrogen embrittlement by coupling carbon monoxide and oxygen provided in an embodiment of the present application; Figure 3 A flow chart for determining a target control flow rate that matches the type of gas source provided in an embodiment of the present application; Figure 4 A schematic diagram of a specific application scenario provided by an embodiment of the present application; Figure 5 A diagram showing the principle data of the fatigue crack growth rate experiment provided in the embodiments of the present application; Figure 6 A diagram showing the principle of fracture toughness experiment provided in the embodiments of the present application; Figure 7 A block diagram of a device for suppressing hydrogen embrittlement of a pipeline by coupling carbon monoxide and oxygen provided in an embodiment of the present application; Figure 8 A schematic diagram of the structure of a computer device provided in an embodiment of the present application.

[0024] Description of Reference Numerals Hydrogen pipeline to be regulated 1, elbow 2, first electrically-controlled pneumatic valve 3, 3-1, 3-2, second electrically-controlled pneumatic valve 4, 4-1, 4-2, regulating electrically-controlled pneumatic valve 41, 41-1, 41-2, gas composition detector 42, 42-1, 42-2, one-way valve 5, 5-1, 5-2, coupled regulating electrically-controlled pneumatic valve 6, concentration alarm 7, carbon monoxide gas source bottle 21-1, oxygen gas source bottle 21-2, valves 22-1, 22-2, 34-1, 34-2, pressure gauges 23-1, 23-2, 32-1, 32-2, carbon monoxide buffer tank 31-1, oxygen buffer tank 31-2, booster pumps 33-1, 33-2. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present application.

[0026] As a clean, low-carbon and sustainable energy source, hydrogen energy is increasingly becoming an important part of the global energy transformation. Pipeline hydrogen transportation, as one of the key technologies for large-scale, efficient and economical transportation of hydrogen energy, has gradually attracted attention. However, hydrogen has special physical and chemical properties. Especially in a hydrogen environment, hydrogen molecules will interact with pipeline materials, leading to hydrogen embrittlement. Hydrogen embrittlement is mainly manifested in reduced ductility of pipeline materials, increased fatigue crack propagation and decreased fracture toughness. These phenomena seriously affect the safety and service life of the pipeline. Therefore, how to effectively prevent or mitigate hydrogen embrittlement and ensure the safety of hydrogen pipeline transportation has become the focus of current research.

[0027] Hydrogen embrittlement occurs when hydrogen molecules are adsorbed on the surface of the pipeline material, dissociated into hydrogen atoms and diffused into the material. These hydrogen atoms aggregate at defects such as dislocations and vacancies inside the material, causing changes in the material's structure, which in turn causes embrittlement. Studies have shown that compared with air or inert gas environments, the strength of pipeline materials in a hydrogen environment changes relatively little, but its ductility, fatigue resistance, and fracture toughness are significantly reduced. These changes can make pipeline materials more susceptible to rupture or fatigue failure during hydrogen transportation, thus affecting the safe and stable operation of long-distance hydrogen pipelines.

[0028] Among the existing protection technologies, a common method is to add gas inhibitors to the pipeline to slow down or inhibit the occurrence of hydrogen embrittlement. For example, some studies have proposed to inhibit hydrogen embrittlement by mixing carbon monoxide. However, this method faces difficulties in implementation. According to the national standard GB / T 37124-2018, carbon monoxide has strict composition restrictions in long-distance natural gas pipelines, and the minimum addition amount proposed by this method exceeds this standard, making it difficult to be widely used in practice. In addition, the protection effect and feasibility of practical operation of simply using gases such as oxygen to inhibit hydrogen embrittlement are still limited, and this method does not clearly give the specific gas ratio and mixing method, and lacks consideration of long-term stability.

[0029] Another solution is to protect against hydrogen embrittlement by designing specific operating steps, but this method requires multiple inflation and emptying of the pipeline, which increases the time and cost during transportation. In actual applications, such frequent operations cannot be easily performed during the service of the pipeline, which makes this protective measure quite difficult to apply in practice.

[0030] Overall, although some existing technical methods have made progress to a certain extent, they still face problems such as implementation difficulties, high costs, and limited effects. Therefore, in order to promote the large-scale application of hydrogen pipeline transportation, it is necessary to develop a safer, more effective and highly feasible hydrogen embrittlement protection method. This method should not only be able to reduce the interaction between hydrogen and pipeline materials, but also have the characteristics of simple operation, low cost, and lasting effect, so as to ensure the safety and stability of the hydrogen transportation system.

[0031] In order to solve the above technical problems, a system for inhibiting pipeline hydrogen embrittlement by coupling carbon monoxide and oxygen is provided in this embodiment. Figure 1 A schematic diagram of a system for inhibiting hydrogen embrittlement of pipelines by coupling carbon monoxide and oxygen is provided in an embodiment of the present application, as shown in FIG. Figure 1 As shown, the system includes: The monitoring module includes a monitoring unit and a user terminal; one end of the monitoring unit is connected to the hydrogen transmission pipeline 1 to be regulated through a pipeline to monitor the gas source concentration value before regulation that matches the type of the gas source, and the gas source concentration value after regulation that matches the type of the gas source; the other end of the monitoring unit is electrically connected to the user terminal; the monitoring module is used to determine the gas source concentration regulation range according to the gas source concentration value before regulation, the gas source concentration value after regulation and the preset target gas source concentration value; wherein, the gas source types include carbon monoxide and oxygen.

[0032] The monitoring unit is the core part of the monitoring module and is responsible for the actual gas concentration detection. The monitoring unit is connected to the hydrogen pipeline 1 to be regulated through a pipeline, and can monitor the gas source concentration values ​​before and after regulation. The gas source concentration value before regulation is the initial concentration before adjusting the gas source concentration. The gas source concentration value after regulation is the actual concentration after adjusting the gas source concentration. The measurement of these concentration values ​​can be completed by a mass spectrometer, a chromatograph or an infrared gas composition detector, etc., and can be measured continuously or intermittently at different positions of the hydrogen pipeline 1 to be regulated. The other end of the monitoring unit is electrically connected to the user terminal, which can be a computer, a tablet or a dedicated display device for receiving the data transmitted by the monitoring unit, and displaying and analyzing it. Through data transmission, the monitoring unit can not only transmit the concentration value to the user terminal, but also realize remote monitoring and control of the data.

[0033] Specifically, the detection device in the monitoring unit monitors the concentration of various gases in the hydrogen transmission pipeline 1 to be regulated in real time, and obtains the gas source concentration value before regulation and the gas source concentration value after regulation. The monitoring unit transmits the collected concentration data to the user terminal through an electrical connection. The transmission method can be wired transmission, such as through a cable connection, or wireless transmission, such as through Wi-Fi or Bluetooth. After receiving the data, the user terminal will calculate the gas source concentration regulation range according to the preset target gas source concentration value. And calculate the target regulation flow rate corresponding to the gas source according to the gas source concentration regulation range. Once the gas source concentration regulation is completed, the monitoring unit continues to collect the concentration value after regulation and transmits these data back to the user terminal. The user terminal compares the difference between the gas source concentration value after regulation and the target gas source concentration value. If the gas source concentration after regulation still does not reach the target gas source concentration, the system will automatically adjust and recalculate the gas source concentration regulation range. For example, if the hydrogen concentration after regulation is still lower than the target value, the user terminal will indicate to increase the flow rate or pressure, otherwise it may be necessary to reduce the flow rate or take other regulation measures.

[0034] A gas distribution and control module, the gas distribution and control module includes at least two gas source units of different gas source types and buffer units corresponding to the gas source units, and a coupling control unit; the gas outlet end of the gas source unit is connected to the gas inlet end of the buffer unit through a pipeline; the gas outlet end of the buffer unit is connected to the gas inlet end of the coupling control unit through a pipeline; the gas outlet end of the coupling control unit is connected to the hydrogen pipeline 1 to be controlled through a bend pipe 2; the gas distribution and control module is used to perform gas distribution and control on the gas flow rate in the hydrogen pipeline 1 to be controlled based on the gas source concentration control amplitude.

[0035] The purpose of the gas distribution control module is to accurately control the gas flow rate in the hydrogen transmission pipeline 1 to be controlled based on the gas source concentration control range. The core function of this module is to adjust the mixing ratio of different types of gas sources, thereby achieving accurate control of the target gas concentration.

[0036] Specifically, the gas source unit includes at least two different types of gas source units. These units can be supply sources of different gases such as hydrogen, carbon monoxide, carbon dioxide, sulfur dioxide, etc. Each gas source unit is responsible for providing a specific type of gas. The buffer unit is connected to the gas source unit and is used to stabilize the gas pressure and flow output by the gas source unit. The buffer unit can reduce the fluctuation of the gas source unit output and ensure that the gas is in a stable state before entering the coupling control unit. The coupling control unit mixes and controls the gases from different buffer units to achieve the required gas concentration and flow rate. The coupling control unit achieves precise control of the mixed gas composition by precisely controlling the flow ratio of each gas source. The elbow 2 is used as a part connecting the coupling control unit and the hydrogen pipeline 1 to be regulated to realize gas transportation and ensure the conversion of flow direction.

[0037] The present embodiment provides a system for suppressing pipeline hydrogen embrittlement by coupling carbon monoxide and oxygen. Through the coordinated work of the monitoring module and the gas distribution control module, accurate monitoring and automatic control of the gas source concentration in the hydrogen transmission pipeline to be regulated are achieved. The monitoring module monitors the gas source concentration in real time, and compares the gas source concentration value before and after the regulation with the preset target gas source concentration value, calculates the gas source concentration regulation range, and provides an adjustment basis for the gas distribution control module. The gas distribution control module automatically adjusts the gas flow rate and ratio by precisely controlling the gas source unit, the buffer unit, and the coupling control unit to ensure that the gas concentration meets the requirements. The system supports flexible control of multiple gas source types, enhances adaptability and operability, and at the same time improves the system's response speed and control accuracy to ensure the stability and consistency of the gas source concentration. This automated and precise control mechanism greatly improves the efficiency, stability, and reliability of the system.

[0038] In some embodiments, a first electrically controlled pneumatic valve 3 is connected to the pipeline between the gas source unit and the buffer unit, for regulating a first flow rate of the gas source from the gas source unit into the buffer unit; A second electrically controlled pneumatic valve 4 is connected to the pipeline between the buffer unit and the coupling regulation unit, and is used to regulate a second flow rate of the gas source entering the coupling regulation unit from the buffer unit; The first flow rate is greater than a specified multiple of the second flow rate.

[0039] Specifically, the first electrically controlled pneumatic valve 3 is located on the pipeline between the air source unit and the buffer unit, and is used to regulate the first flow rate of the air source entering the buffer unit from the air source unit. By adjusting the opening of the valve, the flow rate and flow rate of the air source can be controlled to ensure that the air source reaches the required flow rate before entering the buffer unit. The second electrically controlled pneumatic valve 4 is located on the pipeline between the buffer unit and the coupling control unit, and is used to regulate the second flow rate of the air source entering the coupling control unit from the buffer unit. Similarly, by adjusting the opening of the valve, the flow rate and flow rate of the air source are controlled.

[0040] The first flow rate is greater than a specified multiple of the second flow rate. Preferably, the first flow rate>2×the second flow rate. This is to ensure that the gas source can be fully stable and uniform in the buffer unit, and the flow rate must be reduced before entering the coupling control unit to prevent airflow impact and uneven mixing. When the gas source flow rate is too fast, before entering the coupling control unit, the role of the buffer unit is to absorb the impact force that may be brought by this fast airflow. By making the first flow rate greater than a multiple of the second flow rate, the buffer unit can effectively reduce the airflow impact and ensure that the gas source is in a stable and uniform state before entering the coupling control unit, thereby improving the control accuracy and mixing effect of the entire system.

[0041] This embodiment adjusts the flow rate of the gas source by precisely regulating two electrically controlled pneumatic valves, which are respectively located between the gas source unit and the buffer unit, and between the buffer unit and the coupling control unit, so as to ensure the stability and accuracy of the airflow in the system. The first electrically controlled pneumatic valve regulates the flow rate of the gas source flowing into the buffer unit to ensure that the gas source enters stably; the second electrically controlled pneumatic valve regulates the flow rate of the gas source when it enters the coupling control unit to avoid uneven or too fast airflow. By setting the design in which the first flow rate is greater than the second flow rate, the impact of airflow can be effectively avoided, the flow of the gas source can be kept stable and uniform, and the control accuracy of the system can be improved. It not only improves the response speed and stability of the system, but also optimizes the regulation of airflow concentration, reduces energy loss, and improves the efficiency and reliability of the overall system.

[0042] In some embodiments, the monitoring unit includes a regulating electric-controlled pneumatic valve 41 and a gas composition detector 42, wherein: One end of the regulating electric-controlled pneumatic valve 41 is connected to the hydrogen transmission pipeline 1 to be regulated through a pipeline for obtaining a regulating gas source, and the other end of the regulating electric-controlled pneumatic valve 41 is connected to a regulating gas composition detector 42 through a pipeline for monitoring a regulating gas source concentration value that matches the type of the gas source, and a regulated gas source concentration value that matches the type of the gas source; The other end of the regulating gas composition detector 42 is electrically connected to the user terminal.

[0043] Specifically, one end of the regulating electric-controlled pneumatic valve 41 is connected to the hydrogen pipeline 1 to be regulated through a pipeline, and is used to obtain a gas source from the pipeline. The gas source provided by the hydrogen pipeline 1 to be regulated may have fluctuations in parameters such as concentration and flow rate, so the role of the regulating electric-controlled pneumatic valve 41 is to adjust its opening to control the gas flow and flow rate according to actual needs. By accurately controlling the opening of the valve, the flow of gas is regulated to achieve conditions suitable for monitoring and further processing. The adjustment of the valve opening ensures the stability of the gas flow and avoids the influence of air flow fluctuations, thereby ensuring the accuracy of subsequent detection and regulation operations. One end of the gas composition detector 42 is connected to the regulating electric-controlled pneumatic valve 41 through a pipeline, and is used to receive the gas source before or after the regulation of the regulating electric-controlled pneumatic valve 41. The main function of the gas composition detector 42 is to monitor the concentration of the gas in real time, especially the gas source concentration value after regulation. The detector can identify a variety of gas components, such as hydrogen, oxygen, etc., and detect the gas concentration in real time according to the feedback data of the gas composition detector 42. It can provide an accurate value of the gas source concentration to ensure that the composition of the gas meets the predetermined requirements. During the operation of the system, the gas composition detector 42 detects the gas source concentration in real time and transmits the detected gas concentration data to the user terminal through an electrical connection. The user terminal is usually a computer, a display device or other equipment for data analysis and monitoring. Through this device, the user can view the changes in gas concentration in real time and adjust system parameters according to actual needs. The user can also analyze through the terminal to evaluate whether the gas concentration meets the production or experimental requirements and promptly discover and handle abnormal situations.

[0044] This embodiment achieves precise control and real-time monitoring of the gas source concentration by regulating the coordinated work of the electric-controlled pneumatic valve and the gas composition detector. The system can ensure that the gas source concentration matches the required gas source type, and transmit the gas concentration data to the user terminal through a real-time feedback mechanism, so that the user can grasp the changes in the gas source concentration in a timely manner and make adjustments, thereby improving the controllability of the operation and the reliability of the system. In addition, the system can automatically monitor and adjust the gas source concentration, reducing human intervention and improving the level of intelligent control. Overall, the system significantly improves the stability, safety and efficiency of the system through precise gas control and real-time feedback.

[0045] In some embodiments, corresponding valves and pressure gauges are provided on the pipeline, and a one-way valve 5 is also provided on the connecting pipeline between the buffer unit and the coupling control unit.

[0046] Specifically, the valve can adjust the flow of gas in the pipeline, and the flow rate and flow size of the gas can be controlled by changing the opening of the valve. For example, between the gas source unit and the buffer unit, the valve can adjust the flow of the gas source into the buffer unit to meet different process requirements. The valve can also be used to cut off or connect the gas flow in the pipeline. When it is necessary to stop the gas flow or perform maintenance, the corresponding valve can be closed to ensure the safety and stability of the system. The pressure gauge is used to monitor the gas pressure in the pipeline in real time and provide intuitive pressure information for the operator. By observing the reading of the pressure gauge, it can be determined whether the pressure in the pipeline is normal and abnormal pressure can be discovered in time. The reading of the pressure gauge can be used as a basis for adjusting the valve opening. For example, between the buffer unit and the coupling control unit, the valve opening can be adjusted according to the reading of the pressure gauge to keep the pressure in the pipeline stable. When the reading of the pressure gauge exceeds the set safety range, the alarm system can be triggered to remind the operator to take corresponding safety measures to prevent equipment damage or safety accidents caused by excessive or low pressure. The one-way valve 5 is arranged on the connecting pipeline between the buffer unit and the coupling control unit to ensure that the gas can only flow from the buffer unit to the coupling control unit to prevent gas backflow. This helps maintain system stability and safety, avoiding gas composition confusion or equipment damage caused by backflow.

[0047] In this embodiment, the system realizes precise control of gas flow and pressure by setting valves and pressure gauges on the pipeline and installing a one-way valve between the buffer unit and the coupling control unit. The valve can adjust the flow and flow rate of the gas to ensure stable supply; the pressure gauge monitors the gas pressure in the pipeline in real time to ensure that the system operates within the appropriate pressure range. The one-way valve prevents gas backflow, ensures the correct direction of gas flow, and avoids pressure instability or equipment damage caused by backflow. It not only improves the safety and stability of gas supply, but also optimizes the response speed of the system, reduces human intervention, realizes automation and intelligent control, and thus improves the reliability and efficiency of the system.

[0048] In some embodiments, the coupling control unit includes a coupling control electric-controlled pneumatic valve 6 , and a concentration alarm 7 is also provided on the hydrogen transmission pipeline 1 to be controlled.

[0049] Specifically, the coupled control electric pneumatic valve 6 is the core component of the coupled control unit, which is used to control the mixing and blending process of different gas sources. By adjusting the opening of the valve, the flow ratio of each gas source entering the mixing area can be accurately controlled, thereby realizing accurate control of the mixed gas composition. The concentration alarm 7 is installed on the hydrogen transmission pipeline 1 to be regulated, and is used to monitor the concentration of specific gas components in the pipeline in real time. For example, monitoring the concentration of gases such as oxygen. When the monitored gas concentration exceeds the set safety threshold (such as the oxygen concentration exceeds 0.5%), the concentration alarm will immediately send an alarm signal to remind the operator or the automatic control system to take corresponding safety measures. In an emergency, the concentration alarm 7 is linked with the coupled control electric pneumatic valve 6 to realize the emergency cutoff of the blending process. When the concentration alarm 7 detects that the gas concentration exceeds the standard, it will trigger the coupled control electric pneumatic valve 6 to close and stop the blending process. This can quickly cut off the source of dangerous gases, prevent the excessive gas from continuing to enter the pipeline, and reduce safety risks. After the concentration alarm 7 triggers the emergency cutoff, the system will continue to monitor the gas concentration in the pipeline. When the concentration drops to a safe range, the coupled controlled electrically controlled pneumatic valve 6 will reopen to resume the mixing process. This ensures that the system can be kept running normally while ensuring safety, and avoids long downtime due to excessive concentration.

[0050] This embodiment realizes precise regulation of gas flow and real-time monitoring of hydrogen concentration by coupling the design of the electrically controlled pneumatic valve and the concentration alarm. The coupled electrically controlled pneumatic valve can automatically adjust the gas flow and pressure according to system requirements to ensure stability and flexibility during gas delivery, while the concentration alarm continuously monitors the gas concentration to ensure that the system is always within a safe range. When the concentration is abnormal, the alarm can sound an alarm in time to effectively prevent safety hazards caused by leakage or excessive concentration. This intelligent control mechanism not only improves the efficiency of gas delivery, but also enhances the safety and reliability of the system, and can respond quickly and take corresponding emergency measures in abnormal situations. Through precise flow control and real-time concentration monitoring, the system can effectively respond to emergencies while ensuring normal operation, thereby improving the safety of overall operation.

[0051] In some embodiments, the distance L between the coupled regulating electric-controlled pneumatic valve 6 and the regulating electric-controlled pneumatic valve 41 in the monitoring unit for monitoring the regulated gas source concentration value is greater than or equal to 10 times the diameter d0 of the hydrogen pipeline 1 to be regulated.

[0052] Specifically, after the gas is mixed at the coupled and regulated electric-controlled pneumatic valve 6, a certain distance is required for the gas to be fully mixed. A distance that is too short may lead to uneven mixing, affecting the monitoring unit's accurate monitoring of the gas source concentration value after regulation. If the distance is too short, the mixed gas may not reach a uniform state, resulting in a large deviation in the monitoring result. After a certain distance from the coupled and regulated electric-controlled pneumatic valve 6, the gas flow state will gradually stabilize, which is conducive to the monitoring unit to more accurately monitor the gas concentration. After ten times the diameter of the hydrogen pipeline, the gas flow state is more likely to reach a laminar state. In the laminar state, the gas flow is more stable and the mixing effect is better, which is conducive to subsequent monitoring and regulation.

[0053] In this embodiment, the distance between the coupled control electric-controlled pneumatic valve and the monitoring unit is set to more than 10 times the diameter of the hydrogen pipeline to be controlled, which can effectively avoid the influence of disturbances in the gas flow process on the concentration monitoring results. The longer distance allows the gas to be mixed more evenly during the transportation process, avoids local fluctuations caused by valve adjustment, ensures that the gas concentration monitored by concentration is more stable, and improves the accuracy and reliability of monitoring. In addition, the gas flow and pressure control process is optimized, reducing the impact of local concentration changes, thereby improving the system's response speed, control effect and safety, and ensuring the efficient and stable operation of the entire gas transportation process.

[0054] According to an embodiment of the present application, an embodiment of a method for enhancing the inhibition of hydrogen embrittlement of a pipeline by coupling carbon monoxide and oxygen is provided. It should be noted that the steps shown in the flowchart of the accompanying drawings can be executed in a computer system such as a set of computer executable instructions, and although a logical order is shown in the flowchart, in some cases, the steps shown or described can be executed in an order different from that shown here.

[0055] In this embodiment, a method for inhibiting pipeline hydrogen embrittlement by coupling carbon monoxide and oxygen is provided, which can be used in the above-mentioned system. Figure 2 A flow chart of a method for enhancing the inhibition of pipeline hydrogen embrittlement by coupling carbon monoxide and oxygen provided in an embodiment of the present application is shown in FIG. Figure 2 As shown, the process includes the following steps: Step S1, obtaining the diameter and gas flow rate of the hydrogen pipeline to be regulated, and the diameter of the elbow for gas distribution regulation of the hydrogen pipeline to be regulated; wherein the gas source for gas distribution regulation includes carbon monoxide and oxygen.

[0056] Specifically, the diameter of the hydrogen pipeline and the gas flow rate of the hydrogen pipeline to be regulated directly affect the stability, flow rate and mixing degree of the gas flow. If the diameter of the hydrogen pipeline is too small or the flow rate is too large, it may cause unstable airflow and affect the subsequent concentration control. The gas flow at the bend is easily affected by turbulence and pressure drop, so the diameter of the bend plays an important role in ensuring that the gas can be evenly distributed during the flow. By accurately controlling the diameter of the bend, concentration fluctuations caused by uneven local airflow can be avoided.

[0057] Step S3, using the gas source to perform gas distribution control on the hydrogen transmission pipeline to be regulated, and monitoring the gas source concentration value before and after the control that matches the type of the gas source.

[0058] Specifically, the system will use multiple gas sources to accurately mix the gas ratios for the hydrogen pipeline to be regulated. This step requires real-time control of the flow and concentration of different gas sources to ensure that the mixed gas reaches the preset target gas source concentration. The match between the gas source type and the regulation target is very critical, so efficient sensors and real-time monitoring equipment are needed to accurately record the concentration before and after regulation.

[0059] Step S5, based on the diameter of the hydrogen pipeline, the gas flow rate, the preset target gas source concentration value, the gas source concentration value before regulation, the gas source concentration value after regulation and the diameter of the elbow, determine the target regulation flow rate that matches the type of gas source, so that the pressure in the hydrogen pipeline to be regulated and the diameter of the elbow are consistent.

[0060] Specifically, the target control flow rate is calculated through pipeline parameters and gas source concentration data. The different structures of the hydrogen pipeline to be controlled and the elbow may lead to uneven pressure distribution. Therefore, by adjusting the flow rate, the pressure of the gas in the hydrogen pipeline to be controlled and the elbow is consistent, which can ensure the stable flow of gas in the pipeline and avoid local pressure fluctuations or gas accumulation, which is crucial to the accuracy of gas ratio.

[0061] This embodiment provides a method for enhancing the inhibition of pipeline hydrogen embrittlement by coupling carbon monoxide and oxygen. By obtaining parameters such as the diameter of the hydrogen pipeline to be regulated, the gas flow rate, and the diameter of the elbow, basic data is provided for subsequent regulation. Through the flexible regulation of multiple gas sources, the system can adjust the gas concentration in real time according to the physical and chemical properties of different gas sources, and monitor the regulation effect to ensure that the target gas source concentration is accurately achieved. Further combined with multiple factors such as the diameter of the hydrogen pipeline, gas flow rate, concentration value, and elbow diameter, the system can accurately calculate the target regulation flow rate, ensure the stability of gas flow in the pipeline, and maintain a consistent pressure distribution, thereby avoiding problems such as uneven airflow or uneven mixing. This comprehensive regulation scheme not only improves the adaptability and flexibility of the system, but also significantly improves the overall operating efficiency and reduces the probability of failure.

[0062] Figure 3 A flow chart for determining a target control flow rate that matches the type of gas source provided in an embodiment of the present application may include the following steps: Step S51, determining the difference before regulation between the gas source concentration value before regulation and the target gas source concentration value; Step S53, determining the difference between the regulated gas source concentration value and the target gas source concentration value after regulation; Step S55, determining the gas source concentration control range according to the comparison between the difference before control and the difference after control; Step S57, the gas flow rate is regulated according to the diameter of the hydrogen transmission pipeline, the diameter of the elbow and the gas source concentration control range to obtain a target regulated flow rate that matches the type of gas source.

[0063] Specifically, the difference before regulation between the gas source concentration value f0 and the target gas source concentration value x is x-f0, and the difference after regulation between the gas source concentration value f1 and the target gas source concentration value x is f1-x. It should be noted that the concentration value here is calculated as a percentage. According to the comparison between the difference before regulation and the difference after regulation, the gas source concentration regulation range is determined. This range reflects the size of the adjustment that needs to be made to the gas source concentration in order to achieve the target gas source concentration. Gas source concentration regulation range = (x-f0)-(f1-x). According to the formula v1=d0 2 ×v0×{(x-f0)-(f1-x)} / d1 2 The target control flow rate is calculated, where v1 is the target control flow rate, v0 is the gas flow rate, d0 is the diameter of the hydrogen pipeline, d1 is the diameter of the elbow, f0 is the gas source concentration value before control, f1 is the gas source concentration value after control, and x is the target gas source concentration value. By accurately calculating the gas source concentration control range and the target control flow rate, the mixing uniformity and pressure balance of the gas in the pipeline can be ensured, and the stability and safety of the system can be improved.

[0064] In this embodiment, by calculating the difference between the gas source concentration value before regulation and the target concentration value, the system can clearly understand the deviation between the current gas concentration and the target concentration, and provide data support for subsequent regulation. Then, by monitoring the difference between the gas source concentration value after regulation and the target concentration value, the system evaluates the regulation effect in real time and determines whether further adjustment is needed. According to the concentration difference before and after regulation, the system determines the regulation range of the gas source concentration, and adjusts the gas flow rate accordingly to ensure the matching of flow rate and concentration. Finally, based on the pipeline parameters and the regulation range, the system accurately adjusts the gas flow rate to ensure the precise matching of the gas mixing ratio. This series of operations realizes the precise ratio of gas concentration and flow rate, improves the regulation accuracy, stability and efficiency of the transportation system, and optimizes the operation effect of the hydrogen pipeline.

[0065] In some embodiments, when the gas source includes carbon monoxide and oxygen, the target gas source concentration value corresponding to carbon monoxide is less than or equal to 3%, and the target gas source concentration value corresponding to oxygen is less than or equal to 0.5%, calculated by volume percentage.

[0066] Specifically, carbon monoxide has a strong adsorption capacity on the metal surface and can compete with hydrogen atoms for adsorption sites, thereby reducing the adsorption and penetration of hydrogen atoms on the metal surface. By setting the target concentration value of carbon monoxide to less than or equal to 3%, the penetration of hydrogen can be suppressed to a certain extent, reducing the risk of hydrogen embrittlement. The oxide film formed by oxygen on the metal surface can prevent the penetration of hydrogen. The adsorption capacity of oxygen is stronger than that of hydrogen, and a dense oxide film can be formed on the metal surface to reduce the adsorption and penetration of hydrogen. Setting the target concentration value of oxygen to less than or equal to 0.5% can maintain the effect of the oxide film while avoiding other problems caused by excessive oxygen concentration (such as oxidative corrosion). By strictly controlling the concentrations of carbon monoxide and oxygen, the penetration and diffusion of hydrogen can be reduced, thereby reducing the risk of hydrogen embrittlement. This setting helps to improve the safety and stability of metal materials in hydrogen environments, extend the service life of materials, and reduce accidents and losses caused by hydrogen embrittlement.

[0067] This embodiment can effectively reduce the risk of hydrogen embrittlement by controlling the concentrations of carbon monoxide and oxygen. The carbon monoxide concentration is set to be less than or equal to 3%, which can reduce the adsorption and penetration of hydrogen atoms on the metal surface by competing with hydrogen atoms for adsorption sites, thereby inhibiting the diffusion of hydrogen. The oxygen concentration is set to be less than or equal to 0.5%, which can form a dense oxide film on the metal surface, further reducing the penetration of hydrogen, while avoiding oxidation corrosion caused by excessive oxygen concentration. By strictly controlling the concentrations of carbon monoxide and oxygen, the safety and stability of metal materials in a hydrogen environment are significantly improved, the service life of the material is extended, and accidents and losses caused by hydrogen embrittlement are reduced.

[0068] In some embodiments, when the target gas source concentration value corresponding to carbon monoxide is less than or equal to 0.1% and the target gas source concentration value corresponding to oxygen is less than or equal to 0.1%, the ratio between the target gas source concentration value corresponding to carbon monoxide and the target gas source concentration value corresponding to oxygen is 1:1.

[0069] Specifically, maintaining a 1:1 ratio of carbon monoxide to oxygen allows them to work synergistically in suppressing hydrogen adsorption and permeation. At this ratio, carbon monoxide and oxygen can compete more effectively for hydrogen adsorption sites and form a stable oxide film, jointly reducing the risk of hydrogen embrittlement. This balance helps avoid uneven adsorption caused by excessive concentration of one gas, thereby more effectively suppressing hydrogen adsorption and permeation.

[0070] This embodiment can play a synergistic role in inhibiting the adsorption and penetration of hydrogen by controlling the concentrations of carbon monoxide and oxygen to be less than or equal to 0.1% respectively, and maintaining the concentration ratio of the two at 1:1. At this ratio, carbon monoxide effectively reduces the adsorption of hydrogen on the metal surface by competing with hydrogen atoms for adsorption sites, while oxygen can form a dense oxide film on the metal surface, further inhibiting the penetration of hydrogen. By maintaining the concentration ratio of carbon monoxide and oxygen at 1:1, the uneven adsorption phenomenon caused by excessive concentration of a single gas can be avoided, thereby ensuring more effective protection. This precise control of gas concentration helps to minimize the risk of hydrogen embrittlement and improve the safety and durability of metal materials in hydrogen environments.

[0071] The following describes the specific implementation of the present invention in conjunction with a specific application scenario. Figure 4 , for the first time proposed the principle of using the coupling effect of carbon monoxide and oxygen to enhance the suppression of hydrogen embrittlement of materials, and gave experimental data to verify: It is composed of a monitoring module and a gas distribution control module, specifically including: the monitoring module includes two monitoring units and a user terminal, and the monitoring unit includes a control electric-controlled pneumatic valve 41-1, a control electric-controlled pneumatic valve 41-2, a gas composition detector 42-1, and a gas composition detector 42-2. The gas distribution control module includes two gas source units and two buffer units, as well as a coupling control unit. The gas source unit includes a carbon monoxide gas source bottle 21-1, an oxygen gas source bottle 21-2, a valve 22-1, a valve 22-2, a pressure gauge 23-1, and a pressure gauge 23-2. The buffer unit includes a carbon monoxide buffer tank 31-1, an oxygen buffer tank 31-2, a pressure gauge 32-1, a pressure gauge 32-2, a booster pump 33-1, a booster pump 33-2, a valve 34-1, and a valve 34-2. The coupling control unit includes a coupling control electric-controlled pneumatic valve 6. And the first electrically-controlled pneumatic valve 3-1, the first electrically-controlled pneumatic valve 3-2, the second electrically-controlled pneumatic valve 4-1, the second electrically-controlled pneumatic valve 4-2, the one-way valve 5-1, the one-way valve 5-2, and the concentration alarm 7 on the connecting pipeline.

[0072] Carbon monoxide gas source bottle 21-1 provides carbon monoxide, and oxygen gas source bottle 21-2 provides oxygen. The pressure range in the gas source bottle is 0-25MPa. Valve 22-1, valve 22-2, pressure gauge 23-1, and pressure gauge 23-2 control the valve switch and observe the pressure indication. The pressure in the bottle is used as the initial pressure and recorded as the input quantity.

[0073] The carbon monoxide gas source bottle 21-1 is connected to the carbon monoxide buffer tank 31-1 through a pipeline, and the gas flow, flow rate and pressure are controlled by the first electrically controlled pneumatic valve 3-1 in the middle of the connecting pipeline. The gas cylinder needs to be replenished and replaced in time according to the decrease of the pressure indication number at the gas cylinder port, and the carbon monoxide buffer tank 31-1 is pressurized by the booster pump 33-1 to reach the working pressure of the hydrogen pipeline 1 to be regulated. The oxygen gas source bottle 21-2 is connected to the oxygen buffer tank 31-2 through a pipeline, and the gas flow, flow rate and pressure are controlled by the first electrically controlled pneumatic valve 3-2 in the middle of the connecting pipeline. The gas cylinder needs to be replenished and replaced in time according to the decrease of the pressure indication number at the gas cylinder port, and the oxygen buffer tank 31-2 is pressurized by the booster pump 33-2 to reach the working pressure of the hydrogen pipeline 1 to be regulated.

[0074] The main function of the gas composition detector 42-1 is to detect the content of carbon monoxide and oxygen in the hydrogen pipeline 1 to be regulated before the carbon monoxide and oxygen are mixed. As the input quantity, the user terminal is responsible for controlling the input quantity program. The main function of the gas composition detector 42-2 is to detect the content of carbon monoxide and oxygen in the hydrogen pipeline 1 to be regulated after the carbon monoxide and oxygen are mixed. As the input quantity, the user terminal is responsible for controlling the output quantity program.

[0075] The gas composition detector 42-1 is connected to the upstream of the hydrogen pipeline 1 to be regulated, the gas composition detector 42-2 is connected to the downstream of the hydrogen pipeline 1 to be regulated, and the signal end is connected to the user terminal; several electrically controlled pneumatic valves in the gas distribution control module are connected to the user terminal of the monitoring module via wireless or wired signal connection lines.

[0076] The regulating electric-controlled pneumatic valve 41-1 is connected to the upstream of the hydrogen pipeline 1 to be regulated through a pipeline, and a part of the gas in the hydrogen pipeline 1 to be regulated is led out to the gas composition detector 42-1 of the monitoring module to detect and obtain the concentration of carbon monoxide and oxygen. 41-1-1 =C(CO)1,f 41-1-2 =C(O2)1.

[0077] The regulating electric-controlled pneumatic valve 41-2 is connected to the downstream of the hydrogen pipeline 1 to be regulated through a pipeline, and a part of the gas in the hydrogen pipeline 1 to be regulated is led out to the gas composition detector 42-2 of the monitoring module to detect and obtain the concentration of carbon monoxide and oxygen. 41-2-1 =C(CO)6,f 41-2-2 =C(O2)6.

[0078] The first electrically controlled pneumatic valve 3-1 is connected to control the flow rate, flow velocity and pressure of the carbon monoxide gas in the gas source to the carbon monoxide buffer tank 31-1. The flow velocity is: f 3-1 =V(CO)2.

[0079] The first electrically controlled pneumatic valve 3-2 is connected to control the flow rate, flow velocity and pressure of the oxygen gas in the gas source to be delivered to the oxygen buffer tank 31-2. The flow velocity is: f 3-2 =V(O2)3.

[0080] The second electrically controlled pneumatic valve 4-2 is connected to control the flow rate, flow velocity and pressure of oxygen gas flowing out of the oxygen buffer tank 31-2. The flow velocity is: f 4-2 =V(O2)4.

[0081] The second electrically controlled pneumatic valve 4-1 is connected to control the flow rate, flow velocity and pressure of the carbon monoxide gas flowing out of the carbon monoxide buffer tank 31-1. The flow rate is: f 4-1 =V(CO)5.

[0082] The coupling control electric-controlled pneumatic valve 6 is connected to control the confluence of the carbon monoxide buffer tank 31 - 1 and the oxygen buffer tank 31 - 2 , as well as the flow rate, flow velocity and pressure of the hydrogen transmission pipeline 1 to be regulated.

[0083] In order to keep the pressure in the hydrogen pipeline 1 to be regulated and the elbow 2 consistent, the target regulated flow rate of the coupling regulated electric-controlled pneumatic valve 6 matching the type of the gas source is: v1(CO)=d0 2 ×v0×{(x(CO)-f 41-1-1 )-(f 41-2-1 -x(CO))} / d1 2 v1(O2)=d0 2 ×v0×{(x(O2)-f 41-1-2 )-(f 41-2-2 -x(O2))} / d1 2 Among them, v1 is the target control flow rate, v0 is the gas flow rate, d0 is the diameter of the hydrogen pipeline, d1 is the diameter of the elbow, and x is the target gas source concentration value.

[0084] The booster pump 33 - 1 and the booster pump 33 - 2 are mainly used to pressurize the carbon monoxide and oxygen in the buffer tank to the pressure level in the hydrogen transmission pipeline 1 to be regulated.

[0085] The carbon monoxide buffer tank 31-1 and the oxygen buffer tank 31-2 are mainly used to pre-proportion the gas with the pressure level in the hydrogen pipeline 1 to be regulated, and the uniform pressure level is input into the hydrogen pipeline 1 to be regulated through the elbow 2 to ensure that there is no backflow, and the pressure and pipe diameter are controlled to be constant. The mixing ratio can be regulated by adjusting the flow rate in the elbow 2.

[0086] The main function of the one-way valve 5-1 and the one-way valve 5-2 is to prevent the gas in the pipeline from flowing back to the buffer tank.

[0087] The concentration alarm 7 is mainly used to detect that the oxygen concentration in the pipeline does not exceed 0.5%. Once it exceeds 0.5%, it will immediately transmit a signal to the user terminal to stop coupling and regulating the mixing input of the electric-controlled pneumatic valve 6.

[0088] When the diameter d1 of the bend pipe of the mixing pipe section and the diameter d0 of the hydrogen pipeline of the hydrogen pipeline 1 to be regulated are constant, the pressure of the two pipe sections is kept consistent, and the mixing ratio can be controlled by adjusting the flow rate.

[0089] The length L of the mixing pipe section from the coupling control electric-controlled pneumatic valve 6 connected to the downstream of the hydrogen pipeline 1 to be regulated must be greater than ten times the diameter d0 of the hydrogen pipeline, that is, L≥10×d0, because only after mixing ten times the diameter d0 of the hydrogen pipeline can the mixing be guaranteed to be uniform and reach a laminar state.

[0090] Step S1001: First, the carbon monoxide in the carbon monoxide source bottle 21-1 and the oxygen in the oxygen source bottle 21-2 are supplemented to 0-25MPa, the monitoring module is turned on, and connected to the electric-controlled pneumatic valves and concentration alarms of the gas distribution control module, and the above system is built on one side of the hydrogen pipeline 1 to be regulated, the signal is connected and the seven electric-controlled pneumatic valves and gas composition detectors are debugged, and the diameter d0, pressure P and gas flow rate v0 of the hydrogen pipeline in the area are recorded as input constants.

[0091] Step S1002: Read and control the electronically controlled pneumatic valve 41-1, and the user terminal obtains the input quantity: f 41-1-1 =C(CO)1,f 41-1-2 =C(O2)1.

[0092] Step S1003: Read and control the electronically controlled pneumatic valve 41-2, and the user terminal obtains the input quantity: f 41-2-1 =C(CO)6,f 41-2-2 =C(O2)6, at this time, the coupling control electric pneumatic valve 6 is not opened, that is, when mixing has not started, f 41-1-1 =f 41-2-1 , f 41-1-2 =f 41-2-2 .

[0093] Step S1004: At this time, according to the gas flow rate of the hydrogen pipeline 1 to be regulated, the flow rate f of the first electronically controlled pneumatic valve 3-1 is adjusted. 3-1 =V(CO)2 and the flow rate f of the first electrically controlled pneumatic valve 3-2 3-2 =V(O2)3, ensure that the pressure of the gas buffer tank remains consistent with the pressure of the hydrogen pipeline 1 to be regulated, and increase the flow rate to replenish in time.

[0094] Step S1005: Then, according to the flow rates of the second electrically-controlled pneumatic valve 4-1 and the second electrically-controlled pneumatic valve 4-2, respectively, f 4-1 =V(CO)5,f 4-2=V(O2)4, control f 3-1 >2×f 4-1 , f 3-2 >2×f 4-2 ; Also refer to f 41-1-1 =C(CO)1,f 41-1-2 =C(O2)1, regulating f 4-1 =V(CO)5,f 4-2 =V(O2)4 flow rate, for example, when there is already some carbon monoxide in the pipeline, then f 4-1 =V(CO)5 then according to f 41-1-1 =C(CO)1 becomes smaller, but f 4-2 =V(O2)4 remains unchanged, and then the flow rate entering the coupled control electric-controlled pneumatic valve 6 is regulated. At this time, the difference in the pipe diameters at these two places needs to be taken into account for control.

[0095] Step S1006: The flow rate control input of the coupled control electric pneumatic valve 6 is: v1(CO)=d0 2 ×v0×{(x(CO)-f 41-1-1 )-(f 41-2-1 -x(CO))} / d1 2 v1(O2)=d0 2 ×v0×{(x(O2)-f 41-1-2 )-(f 41-2-2 -x(O2))} / d1 2 Among them, v1 is the target control flow rate, v0 is the gas flow rate, d0 is the diameter of the hydrogen pipeline, d1 is the diameter of the elbow, and x is the target gas source concentration value.

[0096] Step S1007: When opening each valve to start mixing, pay attention to f 41-2-1 and f 41-2-2 By following the changes in v1(CO) and v1(O2), the above steps can ensure that the concentration of mixing is precisely controlled at x(CO) and x(O2).

[0097] Step S1008: If the concentration alarm 7 sounds an alarm, that is, the oxygen concentration in the pipeline exceeds 0.5%, the coupled regulating electric-controlled pneumatic valve 6 is urgently cut off to stop mixing, and mixing is restarted after the concentration drops.

[0098] Step S1009: If the pressure and flow rate in the pipeline change, monitor in real time and repeat the above steps 1001 to 1007 to adjust the mixing plan.

[0099] According to the above mixing scheme, combined with the typical diameter of existing pipelines, assuming f 41-1-1=C(CO)1=0.02%,f 41-1-2 =C(O2)1=0, when the final blending target two gases x(CO)=1000ppm and x(O2)=1000ppm, the blending input reference values ​​are given in Table 1 below: Table 1 Example of input quantity for mixed gas ratio method See also Figure 5 The data diagram of the fatigue crack growth rate experiment principle provided for the embodiment of the present application. The figure shows that at the same concentration, compared with the hydrogen environment without impurities, at the same higher ΔK value, the hydrogen environment doped with carbon monoxide or oxygen alone can only reduce the fatigue crack growth rate of X80 pipeline steel material by about 60%; and when carbon monoxide and oxygen are used in combination, the reduction effect can be increased to about 90%. Therefore, the principle of enhancing the suppression of hydrogen embrittlement of materials by gas coupling in this embodiment is supported by fatigue crack growth experiments.

[0100] See also Figure 6 The fracture toughness experiment principle data diagram provided for the embodiment of the present application. The figure shows that at the same concentration, compared with the hydrogen environment without impurities, the hydrogen environment doped with carbon monoxide or oxygen alone can increase the fracture toughness J integral of the X80 pipeline steel material from 40 kJ / m² to about 180 kJ / m²; and when carbon monoxide and oxygen are coupled, the J integral can be increased to about 222 kJ / m². Therefore, the principle of enhancing the suppression of hydrogen embrittlement of materials by gas coupling in this embodiment is supported by the fracture toughness experiment.

[0101] Accordingly, please refer to Figure 7 A block diagram of a device for inhibiting pipeline hydrogen embrittlement by coupling carbon monoxide and oxygen provided in an embodiment of the present application is applied to the above-mentioned system, and the device includes: The acquisition unit 101 is used to acquire the diameter of the hydrogen pipeline to be regulated and the gas flow rate, and the diameter of the elbow for gas distribution regulation of the hydrogen pipeline to be regulated; wherein the gas source for gas distribution regulation includes carbon monoxide and oxygen; The monitoring unit 103 is used to use the gas source to perform gas distribution control on the hydrogen transmission pipeline to be regulated, and monitor the gas source concentration value before and after the control that matches the type of the gas source; The control unit 105 is used to determine the target control flow rate that matches the type of gas source based on the diameter of the hydrogen pipeline, the gas flow rate, the preset target gas source concentration value, the gas source concentration value before control, the gas source concentration value after control and the diameter of the elbow, so as to make the pressure in the hydrogen pipeline to be controlled and the diameter of the elbow consistent.

[0102] In some optional implementations, the control unit 105 includes: Determine the difference before regulation between the gas source concentration value before regulation and the target gas source concentration value; Determine the difference between the regulated gas source concentration value and the target gas source concentration value after regulation; According to the comparison between the difference before and after regulation, the regulation range of gas source concentration is determined; The gas flow rate is regulated according to the diameter of the hydrogen transmission pipeline, the diameter of the elbow and the gas source concentration control range to obtain a target regulated flow rate that matches the type of gas source.

[0103] In some optional embodiments, when the gas source includes carbon monoxide and oxygen, the target gas source concentration value corresponding to carbon monoxide is less than or equal to 3%, and the target gas source concentration value corresponding to oxygen is less than or equal to 0.5%, calculated by volume percentage.

[0104] In some optional embodiments, when the target gas source concentration value corresponding to carbon monoxide is less than or equal to 0.1% and the target gas source concentration value corresponding to oxygen is less than or equal to 0.1%, the ratio between the target gas source concentration value corresponding to carbon monoxide and the target gas source concentration value corresponding to oxygen is 1:1.

[0105] The further functional description of each of the above modules and units is the same as that of the above corresponding embodiments and will not be repeated here.

[0106] In this embodiment, a device for inhibiting hydrogen embrittlement of a pipeline by coupling carbon monoxide and oxygen is presented in the form of a functional unit, where the unit refers to an ASIC (Application Specific Integrated Circuit) circuit, a processor and memory that executes one or more software or fixed programs, and / or other devices that can provide the above functions.

[0107] See also Figure 8 , Figure 8 A schematic diagram of the structure of a computer device provided in an embodiment of the present application is shown in FIG. Figure 8As shown, the computer device includes: one or more processors 10, a memory 20, and interfaces for connecting various components, including high-speed interfaces and low-speed interfaces. Various components are connected to each other using different buses for communication, and can be installed on a common mainboard or installed in other ways as needed. The processor can process the instructions executed in the computer device, including instructions stored in or on the memory to display the graphical information of the GUI on an external input / output device (such as, a display device coupled to the interface). In some optional embodiments, if necessary, multiple processors and / or multiple buses can be used together with multiple memories and multiple memories. Similarly, multiple computer devices can be connected, and each device provides some necessary operations (for example, as a server array, a group of blade servers, or a multi-processor system). Figure 8 A processor 10 is taken as an example.

[0108] The processor 10 may be a central processing unit, a network processor or a combination thereof. The processor 10 may further include a hardware chip. The hardware chip may be a dedicated integrated circuit, a programmable logic device or a combination thereof. The programmable logic device may be a complex programmable logic device, a field programmable gate array, a general purpose array logic or any combination thereof.

[0109] The memory 20 stores instructions executable by at least one processor 10, so that the at least one processor 10 executes the method shown in the above embodiment.

[0110] The memory 20 may include a program storage area and a data storage area, wherein the program storage area may store an operating system, an application required for at least one function; the data storage area may store data created according to the use of the computer device, etc. In addition, the memory 20 may include a high-speed random access memory, and may also include a non-transient memory, such as at least one disk storage device, a flash memory device, or other non-transient solid-state storage device. In some optional embodiments, the memory 20 may optionally include a memory remotely arranged relative to the processor 10, and these remote memories may be connected to the computer device via a network. Examples of the above-mentioned network include, but are not limited to, the Internet, an intranet, a local area network, a mobile communication network, and combinations thereof.

[0111] The memory 20 may include a volatile memory, such as a random access memory; the memory may also include a non-volatile memory, such as a flash memory, a hard disk or a solid state drive; the memory 20 may also include a combination of the above types of memory.

[0112] The computer device further comprises a communication interface 30 for the computer device to communicate with other devices or a communication network.

[0113] The embodiment of the present application also provides a computer-readable storage medium. The above method according to the embodiment of the present application can be implemented in hardware, firmware, or can be implemented as a computer code that can be recorded in a storage medium, or can be implemented as a computer code that is originally stored in a remote storage medium or a non-temporary machine-readable storage medium and will be stored in a local storage medium through a network download, so that the method described herein can be stored in such software processing on a storage medium using a general-purpose computer, a dedicated processor, or programmable or dedicated hardware. Among them, the storage medium can be a magnetic disk, an optical disk, a read-only storage memory, a random access memory, a flash memory, a hard disk or a solid-state hard disk, etc.; further, the storage medium can also include a combination of the above types of memories. It can be understood that a computer, a processor, a microprocessor controller, or programmable hardware includes a storage component that can store or receive software or computer code. When the software or computer code is accessed and executed by a computer, a processor, or hardware, the method shown in the above embodiment is implemented.

[0114] The systems, devices, modules or units described in the above embodiments may be implemented by computer chips or entities, or by products with certain functions. A typical implementation device is a computer. Specifically, the computer may be, for example, a personal computer, a laptop computer, a cellular phone, a camera phone, a smart phone, a personal digital assistant, a media player, a navigation device, an email device, a game console, a tablet computer, a wearable device, or a combination of any of these devices.

[0115] For the convenience of description, the above device is described in various units according to their functions. Of course, when implementing the present application, the functions of each unit can be implemented in the same or multiple software and / or hardware.

[0116] Those skilled in the art will appreciate that the embodiments of the present application may be provided as methods, systems, or devices. Therefore, the present application may take the form of a complete hardware embodiment, a complete software embodiment, or an embodiment combining software and hardware. Moreover, the present application may take the form of a computer program product implemented on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) containing computer-usable program codes.

[0117] The present application is described with reference to the flowcharts and / or block diagrams of the methods, devices, and systems according to the embodiments of the present application. It should be understood that each process and / or block in the flowchart and / or block diagram, as well as the combination of processes and / or blocks in the flowchart and / or block diagram, can be implemented by computer program instructions. These computer program instructions can be provided to a processor of a general-purpose computer, a special-purpose computer, an embedded processor, or other programmable data processing device to generate a machine, so that the instructions executed by the processor of the computer or other programmable data processing device generate instructions for implementing the processes in the flowchart and / or block diagram. Figure 1 A process or multiple processes and / or boxes Figure 1 A device that provides the functions specified in a block or multiple blocks.

[0118] These computer program instructions may also be stored in a computer-readable memory capable of directing a computer or other programmable data processing device to operate in a specific manner, so that the instructions stored in the computer-readable memory produce an article of manufacture comprising an instruction device, which implements the process Figure 1 A process or multiple processes and / or boxes Figure 1 A function specified in one or more boxes.

[0119] These computer program instructions can also be loaded onto a computer or other programmable data processing device so that a series of operating steps are executed on the computer or other programmable device to produce a computer-implemented process, thereby providing instructions for implementing the process. Figure 1 A process or multiple processes and / or boxes Figure 1 A step that specifies a function in one or more boxes.

[0120] It should also be noted that the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, commodity or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, commodity or device. In the absence of more restrictions, the elements defined by the sentence "comprises a ..." do not exclude the existence of other identical elements in the process, method, commodity or device including the elements.

[0121] Each embodiment in this specification is described in a progressive manner, and the same or similar parts between the embodiments can be referred to each other, and each embodiment focuses on the differences from other embodiments. In particular, for the system embodiment, since it is basically similar to the method embodiment, the description is relatively simple, and the relevant parts can be referred to the partial description of the method embodiment.

[0122] The above is only an embodiment of the present application and is not intended to limit the present application. For those skilled in the art, the present application may have various changes and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

[0123] Although the embodiments of the present application have been described in conjunction with the accompanying drawings, those skilled in the art may make various modifications and variations without departing from the spirit and scope of the present application, and such modifications and variations are all within the scope defined by the appended claims.

Claims

1. A system for inhibiting pipeline hydrogen embrittlement by coupling carbon monoxide and oxygen, characterized in that: The system comprises: A monitoring module, the monitoring module comprising a monitoring unit and a user terminal; one end of the monitoring unit is connected to the hydrogen transmission pipeline to be regulated through a pipeline for monitoring the gas source concentration value before regulation matching the type of the gas source, and the gas source concentration value after regulation matching the type of the gas source; the other end of the monitoring unit is electrically connected to the user terminal; the monitoring module is used to determine the gas source concentration regulation amplitude according to the gas source concentration value before regulation, the gas source concentration value after regulation and a preset target gas source concentration value; A gas distribution and control module, the gas distribution and control module includes at least two gas source units of different gas source types and buffer units corresponding to the gas source units, and a coupling control unit; the gas outlet end of the gas source unit is connected to the gas inlet end of the buffer unit through a pipeline; the gas outlet end of the buffer unit is connected to the gas inlet end of the coupling control unit through a pipeline; the gas outlet end of the coupling control unit is connected to the hydrogen pipeline to be regulated through a bend pipe; the gas distribution and control module is used to perform gas distribution and control on the gas flow rate in the hydrogen pipeline to be regulated based on the gas source concentration control range; wherein the gas source types include carbon monoxide and oxygen.

2. The system according to claim 1, characterized in that A first electrically controlled pneumatic valve is connected to the pipeline between the gas source unit and the buffer unit, and is used to adjust a first flow rate of the gas source entering the buffer unit from the gas source unit; A second electrically-controlled pneumatic valve is connected to the pipeline between the buffer unit and the coupling regulation unit, and is used to regulate a second flow rate of the gas source entering the coupling regulation unit from the buffer unit; Wherein, the first flow rate is greater than a specified multiple of the second flow rate.

3. The system according to claim 1, characterized in that The monitoring unit includes a regulating electric-controlled pneumatic valve and a gas composition detector, wherein: One end of the regulating electric-controlled pneumatic valve is connected to the hydrogen pipeline to be regulated through a pipeline for obtaining a regulating gas source, and the other end of the regulating electric-controlled pneumatic valve is connected to the regulating gas composition detector through a pipeline for monitoring a regulating gas source concentration value that matches the type of the gas source, and a regulated gas source concentration value that matches the type of the gas source; The other end of the regulated gas composition detector is electrically connected to the user terminal.

4. A method for inhibiting pipeline hydrogen embrittlement by coupling carbon monoxide and oxygen, characterized in that: Applied to the system of claim 1, the method comprises: Obtaining the diameter of the hydrogen pipeline and the gas flow rate of the hydrogen pipeline to be regulated, and the diameter of the elbow for gas distribution regulation of the hydrogen pipeline to be regulated; wherein the gas source for gas distribution regulation includes carbon monoxide and oxygen; Using the gas source to perform gas distribution control on the hydrogen transmission pipeline to be regulated, and monitoring the gas source concentration value before and after the control that matches the type of the gas source; Based on the diameter of the hydrogen pipeline, the gas flow rate, the preset target gas source concentration value, the gas source concentration value before regulation, the gas source concentration value after regulation and the diameter of the elbow, a target regulation flow rate matching the type of the gas source is determined to make the pressure in the hydrogen pipeline to be regulated and the diameter of the elbow consistent.

5. The method according to claim 4, characterized in that The determining of a target regulating flow rate matching the type of the gas source comprises: Determine the difference before regulation between the gas source concentration value before regulation and the target gas source concentration value; Determine a post-regulation difference between the post-regulation gas source concentration value and the target gas source concentration value; Determining the gas source concentration control range according to the comparison between the difference before control and the difference after control; The gas flow rate is regulated according to the diameter of the hydrogen transmission pipeline, the diameter of the elbow and the gas source concentration control range to obtain the target regulated flow rate that matches the type of the gas source.

6. The method according to claim 4, characterized in that Calculated by volume percentage, the target gas source concentration value corresponding to the carbon monoxide is less than or equal to 3%, and the target gas source concentration value corresponding to the oxygen is less than or equal to 0.5%.

7. The method according to claim 6, characterized in that When the target gas source concentration value corresponding to carbon monoxide is less than or equal to 0.1% and the target gas source concentration value corresponding to oxygen is less than or equal to 0.1%, the ratio between the target gas source concentration value corresponding to carbon monoxide and the target gas source concentration value corresponding to oxygen is 1:

1.

8. A device for inhibiting pipeline hydrogen embrittlement by coupling carbon monoxide and oxygen, characterized in that: Applied to the system of claim 1, the device comprises: An acquisition unit is used to acquire the diameter of the hydrogen pipeline to be regulated and the gas flow rate of the hydrogen pipeline to be regulated, and the diameter of the elbow for gas distribution regulation of the hydrogen pipeline to be regulated; wherein the gas source for gas distribution regulation includes carbon monoxide and oxygen; A monitoring unit, used to use the gas source to perform gas distribution control on the hydrogen transmission pipeline to be regulated, and monitor the gas source concentration value before and after the control that matches the type of the gas source; The control unit is used to determine the target control flow rate that matches the type of the gas source based on the diameter of the hydrogen pipeline, the gas flow rate, the preset target gas source concentration value, the gas source concentration value before control, the gas source concentration value after control and the diameter of the elbow, so as to make the pressure in the hydrogen pipeline to be regulated and the diameter of the elbow consistent.

9. A computer device, characterized in that: include: A memory and a processor, wherein the memory and the processor are communicatively connected to each other, the memory stores computer instructions, and the processor executes the method for enhancing the inhibition of pipeline hydrogen embrittlement by coupling carbon monoxide and oxygen as described in any one of claims 4 to 7 by executing the computer instructions.

10. A computer-readable storage medium, characterized in that: The computer-readable storage medium stores computer instructions, and the computer instructions are used to enable a computer to execute the method for inhibiting pipeline hydrogen embrittlement by coupling carbon monoxide and oxygen as described in any one of claims 4 to 7.

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