A bridging switching and path reconfiguration system and method for multiphase product flow stage units

Abstract

This invention discloses a bridging switching and path reconfiguration system and method for multiphase product flow stage units, relating to the field of solid waste resource utilization technology. It includes an upstream access unit, a bridging interface unit, a path switching unit, a return unit, a bypass unit, a status detection unit, and a path reconfiguration control unit. This invention treats the connection relationships between stage units in the multiphase product flow processing as a path network that can be dynamically reconfigured based on status determination. Through the coordinated action of the bridging interface unit, switching valve group, return unit, bypass unit, status detection unit, and control unit, the flow direction relationships between different stage units can be reconfigured and switched according to preset rules or real-time operating conditions. It is not simply connecting several devices together, but rather transforming the originally fixed unit connection relationships into an adjustable stage path structure through bridging, switching, return, bypass, and reconfiguration.

Description

Technical Field

[0001] This invention relates to the field of solid waste resource utilization technology, specifically to a bridging switching and path reconfiguration system and method for multiphase product flow stage units. Background Technology

[0002] In the process of multiphase thermochemical treatment or multiphase product stream separation, gaseous components, condensable components, molten or flowable dynamic components, solid residues and other associated phase product streams are usually formed. In existing systems, these product streams usually flow in a pre-fixed sequence of pipelines and equipment, and the connection between each stage unit is mostly rigid connection or single path configuration. Current technologies generally suffer from the following problems: Currently, the connections between stage units are fixed, making it difficult to switch according to material fluctuations, changes in product stream composition, or downstream utilization needs. There is a lack of bridging interfaces between different paths. For example, it cannot flexibly switch between energy utilization, carbon capture, or further conditioning based on gas phase cleanliness, nor can it switch between stratified export, reflux reconditioning, or impurity discharge based on the dynamic component state of the flow. Bypass and reflux logic is missing or poorly designed. When a stage unit fails, becomes blocked, exceeds limits, or does not meet the entry conditions, it often has to be shut down for treatment, lacking the ability to dynamically reconfigure the path. Even if existing systems have multiple levels of units, they are usually just mechanically connected in series, without designing bridging, switching, and path reconfiguration as independent technical solutions. This results in poor adaptability to complex solid waste systems. Due to the significant differences in product stream states formed by different batches, different materials, and different heat treatment stages, fixed paths are prone to path mismatch, ineffective conditioning, downstream instability, or resource waste. Summary of the Invention

[0003] This invention provides a bridging switching and path reconfiguration system and method for multiphase product flow stage units, which can effectively solve the problems mentioned in the background art, such as fixed connection relationship between stage units, inflexible path switching, incomplete bypass and return logic, and lack of bridging interface between different stage units.

[0004] To achieve the above objectives, the present invention provides the following technical solution: a bridging switching and path reconfiguration system for multiphase product flow stage units, used to achieve bridging connection, path switching, bypass conduction, reflux regulation and path reconfiguration between different stage separation units after multiphase thermochemical treatment; It includes an upstream access unit, a bridging interface unit, a path switching unit, a return unit, a bypass unit, a status detection unit, and a path reconstruction control unit; The upstream access unit is used to receive the product stream, the bridging interface unit is used to establish a connection relationship, the path switching unit is used to switch the path into which the product stream is imported, the return flow unit is used to send the product stream back for reprocessing, and the bypass unit is used for fault isolation and backup path switching. The status detection unit is used to provide real-time monitoring data; The path reconstruction control unit is used to perform coordinated control on each unit based on the result parameters.

[0005] According to the above technical solution, the upstream access unit is used to receive product streams from thermochemical processing devices, multiphase product stream stage chain separation systems, or gas phase, liquid phase, flow dynamics, and solid phase export units.

[0006] According to the above technical solution, the bridging interface unit is used to establish a conductive, switchable, divertable, or isolable connection relationship between two or more stage units; The bridging interface unit includes one or more of the following: bridging pipe, transition cavity, interface module, connecting flange, transition valve group, and intermediate buffer structure; The stage unit is not limited to a specific device, and includes one or more of the following: The system includes a gas phase separation unit, a condensable component separation unit, a molten or flowable dynamic extraction unit, a stratified migration and graded collection unit, a solid phase separation unit, a gas phase conditioning unit, a deep dehydration and purification unit, a pressure and flow rate adaptation unit, a fuel reuse interface unit, a power generation interface unit, a carbon dioxide capture / enrichment interface unit, a carbon dioxide coupled methanol synthesis interface unit, and a safe disposal unit.

[0007] According to the above technical solution, the path switching unit is used to guide the product stream into the main path, the continued conditioning path, the return path, the bypass path, the downstream utilization path, or the safe disposal path according to the control command. The path switching unit includes one or more of the following: multi-way switching valve group, diversion valve group, parallel flow switching valve group, check valve, isolation valve, and shut-off valve; The bridging switching action includes opening the main path valve group and closing the bypass valve group, opening the bypass valve group and closing the front-end valve group of a certain stage unit, opening the return valve group and sending the product flow back to the front-end unit, opening the backup downstream interface and closing the current target path, delaying the switching through the intermediate buffer unit, and reconstructing only the local path segment while keeping other path segments unchanged.

[0008] According to the above technical solution, the reflux unit is used to return product streams that do not meet the downstream entry conditions and the current stage processing requirements to the pre-stage unit, the pre-stage buffer, the pre-stage conditioning unit, and the pre-stage separation unit.

[0009] According to the above technical solution, the bypass unit is used to allow the product flow to bypass the stage unit and enter other paths when the stage unit fails, exceeds the limit, is blocked, is disabled, or does not need to participate in the current processing path.

[0010] According to the above technical solution, the status detection unit is used to detect the pressure, flow rate, temperature, liquid level, interface position, component parameters and blockage status before and after each stage unit, at the bridging interface and at the path switching point.

[0011] According to the above technical solution, the path reconstruction control unit is used to perform coordinated control on the bridging interface unit, path switching unit, return flow unit and bypass unit based on the status detection results, preset path rules, target utilization direction, downstream entry conditions and abnormal operating conditions, so as to form the target path structure; The preset path rules include one or more of the following: the pressure range, flow range, component range, downstream access path conditions, backflow trigger conditions, bypass trigger conditions, and abnormal operating condition trigger conditions that the stage unit is allowed to enter. Abnormal operating conditions include blockage of a certain stage unit, abnormal pressure drop at a certain bridging interface, downstream path not meeting entry conditions, excessive fluctuations in flow, temperature, and pressure, abnormal interface location, and excessive component detection. The path reconfiguration control unit can perform actions including prohibiting the import of the current target stage unit, switching to a bypass path, switching to a return path, switching to a safe disposal path, maintaining the current state and waiting for recovery, and starting a backup stage unit or backup interface path; The path reconfiguration control unit does not switch arbitrarily, but is executed after comparing the preset path rules with the detection results. The preset path rules include at least the pressure range that a certain stage unit is allowed to enter, the flow range that a certain stage unit is allowed to enter, the range of components that a certain stage unit can handle, the entry conditions of downstream utilization paths, the backflow or bypass triggering conditions, and abnormal triggering conditions including blockage, over-temperature, over-pressure, and interface abnormalities.

[0012] According to the above technical solution, a method for bridging switching and path reconfiguration of multiphase product flow stage units includes the following steps: Step 1: Receive the product stream; Step 2: Check the path status; Step 3: Comparison and judgment; Step 4: Perform bridged switching; Step 5: Execute reflow or bypass; Step 6: Path reconstruction.

[0013] According to the above technical solution, in step 1, the product stream from the thermochemical treatment device or the staged chain separation system is received and introduced into the bridging interface area. In step 2, the pressure, flow rate, temperature, liquid level, interface position, component parameters, and blockage status of the product flow at the current bridging point, before and after the stage unit, or at the switching node are detected. In step 3, the detection results are compared with preset path rules, stage unit entry conditions, downstream utilization conditions and abnormal working condition judgment conditions. In step 4, when the target path conditions are met, the connection relationship between the corresponding stage units is established through the bridging interface unit and the path switching unit to form the target processing path. In step 5, if the target path conditions are not met, the product stream is directed to a reflux path, bypass path, continued conditioning path, or safe disposal path. In step 6, the connection relationship between stage units is reconfigured according to the change in operating status, so that the system switches from the original path to a new path or a combination of local paths.

[0014] Compared with the prior art, the beneficial effects of the present invention are as follows: 1. The core technology of this invention does not lie in a single valve or a single bypass, but in treating the connection relationship between the units in each stage of the multiphase product flow processing as a path network that can be dynamically reconfigured according to the state determination. Through the synergistic effect of bridging interface units, switching valve groups, reflux units, bypass units, state detection units and control units, the flow direction relationship between different stage units can be reconfigured and switched according to preset rules or real-time operating conditions. It is not simply connecting several devices together, but using bridging, switching, reflux, bypass and reconfiguration to make the originally fixed unit connection relationship into an adjustable stage path structure. The main path remains unchanged, and only a local bridging is switched. Path reconfiguration does not require replacing all units every time a switch is made. It can be that the main path remains unchanged and only a local bridging segment is switched, a certain stage unit is bypassed or replaced, a certain product stream is returned to the upstream conditioning unit, a downstream utilization interface is temporarily shut down and switched to a backup path, or different stage units can be reorganized in series, parallel, branch, or return manner. This design upgrades the inter-unit connection relationship from a fixed pipeline structure to a controlled bridging switching system, which significantly improves the adaptability of complex multiphase product stream systems to batch fluctuations, operating condition disturbances, and downstream changes.

[0015] 2. This invention establishes switchable and reconfigurable bridging interfaces between different stage units, and reconfigures the flow relationship between different stage units according to the product flow status, detection results, target utilization direction and operating conditions. It provides a switching mechanism between main path, bypass, reflux path, continued conditioning path and safe disposal path. At the same time, it enables the same multiphase thermochemical treatment / separation system to dynamically adjust the combination and connection sequence of stage units according to changes in operating conditions, and upgrades the connection relationship between units from a fixed pipeline structure to a controlled bridging switching system. The original fixed stage unit connection relationship is upgraded to a reconfigurable and switchable path network, which can dynamically adjust the unit connection relationship according to different operating conditions, different target utilization directions and different abnormal states. This improves the adaptability of complex multiphase product flow systems to batch fluctuations, operating condition disturbances and downstream changes, and can effectively prevent the entire system from shutting down due to the failure of a single stage unit. It can also serve as an independent protection for the interface layer between platform schemes, control schemes and stage chain schemes, thereby improving the overall anti-bypass capability.

[0016] In summary, by setting up a bridging switching structure between the multiphase thermochemical processing platform, the multiphase product flow stage chain separation system and its downstream conditioning and utilization system, the connection relationship, flow direction relationship and utilization path of different stage units can be reconstructed and switched based on the exported gas phase, liquid phase, molten components, flowable dynamic components, solid residues and their detection results. Attached Figure Description

[0017] The accompanying drawings are provided to further illustrate the invention and form part of the specification. They are used together with the embodiments of the invention to explain the invention and do not constitute a limitation thereof.

[0018] In the attached diagram: Figure 1 This is an architecture diagram of the bridging switching and path reconstruction system of the present invention; Figure 2 This is a flowchart of the steps of the bridging switching and path reconstruction method of the present invention. Detailed Implementation

[0019] The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for illustration and explanation only and are not intended to limit the present invention.

[0020] Example: Figure 1 As shown, the present invention provides a technical solution, a bridging switching and path reconstruction system for multiphase product flow stage units, used to achieve bridging connection, path switching, bypass conduction, reflux regulation and path reconstruction between different stage separation units after multiphase thermochemical treatment; It includes an upstream access unit, a bridging interface unit, a path switching unit, a return unit, a bypass unit, a status detection unit, and a path reconstruction control unit; The upstream access unit is used to receive the product stream, the bridging interface unit is used to establish the connection relationship, the path switching unit is used to switch the path into which the product stream is imported, the return flow unit is used to send the product stream back for reprocessing, and the bypass unit is used for fault isolation and backup path switching. The status detection unit is used to provide real-time monitoring data; The path reconstruction control unit is used to perform coordinated control on each unit based on the result parameters.

[0021] Based on the above technical solution, the upstream access unit is used to receive product streams from the thermochemical treatment device, the multiphase product stream stage chain separation system, and the gas phase, liquid phase, flow dynamics, and solid phase export units. It is located at the front end of the system and establishes a physical connection with the upstream treatment device to realize the product stream import function. The upstream access unit adopts a universal interface design, which is compatible with various types of upstream output sources, including the gas phase outlet of the pyrolysis reactor, the liquid phase outlet of the molten salt separation unit, the molten metal discharge unit, and the solid residue discharge unit. Furthermore, the upstream access unit is equipped with pressure balancing and flow regulation structures, which ensures that the product flow entering the subsequent processing stage has a relatively stable flow state.

[0022] Based on the above technical solution, the bridging interface unit is used to establish a conductive, switchable, divertable and isolated connection between two or more stage units. Based on fluid control technology, by opening and closing specific bridging channels, the connection and isolation between different stage units can be realized. Moreover, the bridging interface unit can maintain multiple bridging channels at the same time and dynamically adjust the conduction status of each channel according to the system operation status and judgment results to realize flexible switching of multiple paths. The bridging interface unit includes various components such as bridging pipes, transition cavities, interface modules, connecting flanges, transition valve groups, and intermediate buffer structures. Among them, the bridging pipe is used to establish a direct physical connection channel between adjacent stage units, the transition cavity provides a buffer space for the product flow to achieve a smooth transition of pressure and flow, and the interface module, as a standardized connection unit, is easy to connect with different types of stage units. The connecting flange provides a reliable sealing connection, ensuring the normal operation of the system under high pressure and high temperature conditions. The transition valve group is used to control the opening and closing of the bridging channel. The intermediate buffer structure provides temporary storage space when the product flow status is unstable, which facilitates subsequent switching decisions and execution. The stage units include the following types: Gas phase separation unit, condensable component separation unit, molten state orThe system includes a flowable dynamic export unit, a stratified migration and graded collection unit, a solid phase separation unit, a gas phase conditioning unit, a deep dehydration and purification unit, a pressure and flow rate adaptation unit, a fuel reuse interface unit, a power generation interface unit, a carbon dioxide capture / enrichment interface unit, a carbon dioxide coupled methanol synthesis interface unit, and a safe disposal unit. Among them, the gas phase separation unit is a separation device used to process gas phase components, separating gaseous products from multiphase product streams, including pyrolysis gas and fuel gas. The bridging interface of this unit needs to meet the special requirements of gas phase flow and have good sealing performance and pressure resistance. The condensable component separation unit is used to separate condensable gaseous components, including water vapor and hydrocarbon compounds, and convert them into forms that are easy to recover through condensation and compression. The molten or flowable dynamic discharge unit is used to process high-temperature molten and flowable products, including molten metals, molten salts, and pyrolysis tar. This unit needs to operate under high-temperature conditions, and the bridging interface needs to have high-temperature resistance. The hierarchical migration and hierarchical collection unit realizes the hierarchical export and hierarchical collection of products, and collects them to different processing paths according to the differences in product characteristics; The solid-phase separation unit is used to process solid residues, including powdery, granular and lumpy solid products. The bridging interface of this unit needs to take into account the conveying characteristics of solid materials. The gas phase conditioning unit conditions the gas phase, including dehydration, deacidification, and purification, to meet the requirements for subsequent utilization and treatment. The deep dehydration and purification unit is used to perform deep dehydration treatment on the product, removing moisture and impurities and improving product quality. The pressure and flow rate adaptation unit is used to adjust the pressure and flow rate of the product stream to match the requirements of the downstream processing unit. This unit is a key link to achieve coordinated operation between upstream and downstream stages of the system. The fuel reuse interface unit is the interface that connects to the fuel utilization system, and delivers qualified gaseous and liquid products to the fuel reuse system, including boilers and gas turbines. The power generation interface unit is the interface that connects to the power generation system, introduces the product flow into the power generation equipment, and realizes energy conversion and utilization. The carbon dioxide capture or enrichment interface unit is the interface that connects to the carbon capture system, and transports the product stream containing carbon dioxide to the carbon capture device for processing. The carbon dioxide coupled methanol synthesis interface unit is an interface connecting the chemical synthesis system, which uses the captured carbon dioxide for the methanol synthesis reaction to realize the recycling of carbon resources. The safe disposal unit is used to process non-recyclable waste, ensuring that it is disposed of safely and harmlessly.

[0023] Based on the above technical solution, the path switching unit is used to guide the product flow into the main path, the continued conditioning path, the return path, the bypass path, the downstream utilization path, and the safe disposal path according to the control instructions. The path switching unit receives instructions from the path reconfiguration control unit and switches the product flow direction by controlling the state of various valves; The path switching unit includes various types of valve groups, such as multi-way switching valve groups, diversion valve groups, parallel flow switching valve groups, check valves, isolation valves, and shut-off valves. The bridging switching action includes opening the main path valve group and closing the bypass valve group, opening the bypass valve group and closing the front-end valve group of a certain stage unit, opening the return valve group and sending the product flow back to the previous stage unit, opening the backup downstream interface and closing the current target path, delaying the switching through the intermediate buffer unit, and reconstructing only the local path segment while keeping other path segments unchanged. Among them, the multi-way switching valve group realizes the diversion of the product stream from a single inlet to multiple outlets or the merging of multiple inlets to a single outlet. The diversion valve group is used to distribute the product stream to different processing paths in proportion, and the parallel flow switching valve group is used to control the access and disconnection of parallel processing paths. One-way valves prevent backflow of product streams and ensure that fluids flow in a predetermined direction. Isolation valves are used to completely shut off a specific path to prevent product streams from entering units that do not require their involvement. Shut-off valves quickly shut off a specific path in an emergency to protect the system and ensure operational safety.

[0024] Based on the above technical solution, the reflux unit realizes the function of product stream return for reprocessing. It is used to return product streams that do not meet the downstream entry conditions and the current stage processing requirements to the front-end unit, front-end buffer, front-end conditioning unit and front-end separation unit, so as to reprocess the substandard product streams, improve resource utilization and overall processing efficiency. The reflux path of the reflux unit should not conflict with the forward flow path. One-way valves and isolation valves should be installed to prevent the reflux material from interfering with the forward flow. Temperature and pressure regulation functions can also be provided to ensure that the product stream returned to the previous stage has suitable processing conditions. For scenarios that require multiple reflux processes, the reflux unit can be used in conjunction with the continued conditioning path to form a closed-loop processing circuit until the product stream meets the target requirements.

[0025] Based on the above technical solution, the bypass unit realizes fault isolation and backup path switching. When a certain stage unit fails, exceeds the limit, is blocked, is disabled, or does not need to participate in the current processing path, the product flow bypasses the stage unit and is introduced into other paths. The setting of the bypass unit avoids the overall system shutdown due to the problem of a single stage unit. Furthermore, the bypass unit needs to ensure that the bypass channel and the main channel do not interfere with each other. It is equipped with an independent valve group to independently control the opening and closing of the bypass channel. The endpoint of the bypass path can be a subsequent standby stage unit, a safety disposal unit, or connected to the return path for cyclic processing.

[0026] Based on the above technical solution, the status detection unit is used to detect the pressure, flow rate, temperature, liquid level, interface position, component parameters and blockage status before and after each stage unit, at the bridging interface and at the path switching point, so as to provide the path reconfiguration control unit with various real-time parameters required for decision-making. The status detection unit is equipped with various types of sensors to detect different parameters. The detected parameters cover key status information in the multiphase product flow processing process. Among them, pressure detection is used to monitor the working pressure of each node and determine whether there are overpressure or negative pressure abnormalities; flow detection is used to monitor the flow rate of the product flow and determine whether there are flow abnormalities or blockages; temperature detection is used to monitor the temperature status of the product flow and determine whether it meets the temperature requirements of a specific processing stage; and liquid level detection is used to monitor the accumulation of liquid phase components and prevent excessively high or low liquid levels from affecting the normal operation of the system. Interface position detection is used to monitor the interface position between different phases in a multiphase system, which is crucial for stratification and separation operations. Component parameter detection is used to analyze the chemical composition of the product stream, determine whether it meets the downstream utilization conditions and whether further processing is required. Blockage status detection is used to monitor possible blockage and trigger preventive measures in a timely manner.

[0027] Based on the above technical solution, the path reconfiguration control unit is used to perform coordinated control on the bridging interface unit, path switching unit, return unit and bypass unit according to the status detection results, preset path rules, target utilization direction, downstream entry conditions and abnormal operating conditions, so as to form the target path structure. The path reconfiguration control unit receives real-time data detected by the status detection unit, compares it with preset path rules, and issues corresponding control commands based on the judgment results. The path reconfiguration control unit is implemented using a programmable controller, stores multiple preset path configuration schemes, and calls the corresponding configuration according to different operating scenarios. The preset path rules include multiple conditions such as the pressure range, flow range, component range, downstream access conditions, backflow triggering conditions, bypass triggering conditions, and abnormal operating condition triggering conditions that the stage unit is allowed to enter. Abnormal operating conditions include blockage of a certain stage unit, abnormal pressure drop at a certain bridging interface, downstream path not meeting entry conditions, excessive fluctuations in flow, temperature, and pressure, abnormal interface location, and excessive component detection. The path reconfiguration control unit can perform actions including prohibiting the import of the current target stage unit, switching to a bypass path, switching to a return path, switching to a safe disposal path, maintaining the current state and waiting for recovery, and starting the backup stage unit and backup interface path; The path reconfiguration control unit does not switch arbitrarily, but is executed after comparing the preset path rules with the detection results. The preset path rules include at least the pressure range that a certain stage unit is allowed to enter, the flow range that a certain stage unit is allowed to enter, the component range that a certain stage unit can handle, the entry conditions of downstream utilization paths, the backflow and bypass triggering conditions, and abnormal triggering conditions including blockage, over-temperature, over-pressure, and interface abnormalities. When the detection results meet the target path requirements, the control unit executes the following actions: connects the target bridging interface, opens the corresponding switching valve group, and closes the irrelevant path. When the test results do not meet the target path requirements, the control unit performs recirculation, bypass, continued conditioning, and safety handling actions.

[0028] like Figure 2 As shown, a bridging switching and path reconfiguration method for multiphase product flow stage units includes the following steps: Step 1: Receive the product stream; Step 2: Check the path status; Step 3: Comparison and judgment; Step 4: Perform bridged switching; Step 5: Execute reflow or bypass; Step 6: Path reconstruction.

[0029] Based on the above technical solution, in step 1, the product stream from the thermochemical treatment device and the stage chain separation system is received and introduced into the bridging interface area. Step 2: Detect the pressure, flow rate, temperature, liquid level, interface position, component parameters, and blockage status of the product flow at the current bridging point, before and after the stage unit, and at the switching node; Step 3: Compare the detection results with the preset path rules, stage unit entry conditions, downstream utilization conditions, and abnormal operating condition judgment conditions. When a stage unit becomes blocked, the bridging interface pressure drop is abnormal, the downstream path does not meet the entry conditions, the flow, temperature and pressure fluctuations exceed the limits, the interface position is abnormal, or the component detection exceeds the standard, multiple actions are executed, including prohibiting the import of the current target stage unit, switching to the bypass path, switching to the return path, switching to the safety disposal path, maintaining the current state and waiting for recovery, and starting the backup stage unit and backup interface path. Step 4: When the target path conditions are met, establish the connection relationship between the corresponding stage units through the bridging interface unit and the path switching unit to form the target processing path; Step 5: When the target path conditions are not met, the product flow is directed to the return path, bypass path, continued conditioning path, and safe disposal path. Step 6: Based on the changes in operating status, reconfigure the connection relationships between stage units to switch the system from the original path to the new path; Path switching includes several methods such as opening the main path valve group and closing the bypass valve group, opening the bypass valve group and closing the target stage unit front-end valve group, opening the return valve group and sending the product flow back to the front-end unit, opening the backup downstream interface and closing the current target path, delaying switching through the intermediate buffer unit, and reconstructing only local path segments.

[0030] Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A bridging switching and path reconfiguration system for multiphase product flow stage units, characterized in that: It is used to achieve bridging and connection, path switching, bypass conduction, reflux regulation and path reconstruction between separation units at different stages after multiphase thermochemical treatment; It includes an upstream access unit, a bridging interface unit, a path switching unit, a return unit, a bypass unit, a status detection unit, and a path reconstruction control unit; The upstream access unit is used to receive the product stream, the bridging interface unit is used to establish a connection relationship, the path switching unit is used to switch the path into which the product stream is imported, the return flow unit is used to send the product stream back for reprocessing, and the bypass unit is used for fault isolation and backup path switching. The status detection unit is used to provide real-time monitoring data; The path reconstruction control unit is used to perform coordinated control on each unit based on the result parameters.

2. The bridging switching and path reconfiguration system for a multiphase product flow stage unit according to claim 1, characterized in that: The upstream access unit is used to receive product streams from thermochemical processing devices, multiphase product stream stage chain separation systems, or gas phase, liquid phase, flow dynamics, and solid phase export units.

3. The bridging switching and path reconfiguration system for a multiphase product flow stage unit according to claim 1, characterized in that: The bridging interface unit is used to establish a conductive, switchable, divertable, or isolable connection between two or more stage units; The bridging interface unit includes one or more of the following: bridging pipe, transition cavity, interface module, connecting flange, transition valve group, and intermediate buffer structure; The stage unit is not limited to a specific device, and includes one or more of the following: The system includes a gas phase separation unit, a condensable component separation unit, a molten or flowable dynamic extraction unit, a stratified migration and graded collection unit, a solid phase separation unit, a gas phase conditioning unit, a deep dehydration and purification unit, a pressure and flow rate adaptation unit, a fuel reuse interface unit, a power generation interface unit, a carbon dioxide capture / enrichment interface unit, a carbon dioxide coupled methanol synthesis interface unit, and a safe disposal unit.

4. The bridging switching and path reconfiguration system for a multiphase product flow stage unit according to claim 1, characterized in that: The path switching unit is used to guide the product stream into the main path, the continued conditioning path, the reflux path, the bypass path, the downstream utilization path, or the safe disposal path according to the control command. The path switching unit includes one or more of the following: multi-way switching valve group, diversion valve group, parallel flow switching valve group, check valve, isolation valve, and shut-off valve; The bridging switching action includes opening the main path valve group and closing the bypass valve group, opening the bypass valve group and closing the front-end valve group of a certain stage unit, opening the return valve group and sending the product flow back to the front-end unit, opening the backup downstream interface and closing the current target path, delaying the switching through the intermediate buffer unit, and reconstructing only the local path segment while keeping other path segments unchanged.

5. The bridging switching and path reconfiguration system for a multiphase product flow stage unit according to claim 1, characterized in that: The reflux unit is used to return product streams that do not meet the downstream entry conditions and the current stage processing requirements to the pre-stage unit, pre-stage buffer, pre-stage conditioning unit, and pre-stage separation unit.

6. The bridging switching and path reconfiguration system for a multiphase product flow stage unit according to claim 1, characterized in that: The bypass unit is used to allow the product flow to bypass the stage unit and enter other paths when a stage unit fails, exceeds limits, is blocked, is disabled, or does not need to participate in the current processing path.

7. The bridging switching and path reconfiguration system for a multiphase product flow stage unit according to claim 1, characterized in that: The status detection unit is used to detect pressure, flow rate, temperature, liquid level, interface position, component parameters, and blockage status before and after each stage unit, at the bridging interface, and at the path switching point.

8. The bridging switching and path reconfiguration system for a multiphase product flow stage unit according to claim 7, characterized in that: The path reconstruction control unit is used to perform coordinated control on the bridging interface unit, path switching unit, return flow unit and bypass unit according to the status detection results, preset path rules, target utilization direction, downstream entry conditions and abnormal operating conditions, so as to form the target path structure; The preset path rules include one or more of the following: the pressure range, flow range, component range, downstream access path conditions, backflow trigger conditions, bypass trigger conditions, and abnormal operating condition trigger conditions that the stage unit is allowed to enter. Abnormal operating conditions include blockage of a certain stage unit, abnormal pressure drop at a certain bridging interface, downstream path not meeting entry conditions, excessive fluctuations in flow, temperature, and pressure, abnormal interface location, and excessive component detection. The path reconfiguration control unit can perform actions including prohibiting the import of the current target stage unit, switching to a bypass path, switching to a return path, switching to a safe disposal path, maintaining the current state and waiting for recovery, and starting a backup stage unit or backup interface path; The path reconfiguration control unit does not switch arbitrarily, but is executed after comparing the preset path rules with the detection results. The preset path rules include at least the pressure range that a certain stage unit is allowed to enter, the flow range that a certain stage unit is allowed to enter, the range of components that a certain stage unit can handle, the entry conditions of downstream utilization paths, the backflow or bypass triggering conditions, and abnormal triggering conditions including blockage, over-temperature, over-pressure, and interface abnormalities.

9. A bridging switching and path reconfiguration method for a multiphase product flow stage unit, used in the bridging switching and path reconfiguration system for a multiphase product flow stage unit as described in any one of claims 1-8, characterized in that, Includes the following steps: Step 1: Receive the product stream; Step 2: Check the path status; Step 3: Comparison and judgment; Step 4: Perform bridged switching; Step 5: Execute reflow or bypass; Step 6: Path reconstruction.

10. The bridging switching and path reconstruction method for a multiphase product flow stage unit according to claim 9, characterized in that: In step 1, the product stream from the thermochemical treatment device or the staged chain separation system is received and introduced into the bridging interface area. In step 2, the pressure, flow rate, temperature, liquid level, interface position, component parameters, and blockage status of the product flow at the current bridging point, before and after the stage unit, or at the switching node are detected. In step 3, the detection results are compared with preset path rules, stage unit entry conditions, downstream utilization conditions and abnormal working condition judgment conditions. In step 4, when the target path conditions are met, the connection relationship between the corresponding stage units is established through the bridging interface unit and the path switching unit to form the target processing path. In step 5, if the target path conditions are not met, the product stream is directed to a reflux path, bypass path, continued conditioning path, or safe disposal path. In step 6, the connection relationship between stage units is reconfigured according to the change in operating status, so that the system switches from the original path to a new path or a combination of local paths.

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