CN-121980762-A - Management system for recycling waste batteries based on digital twinning

CN121980762ACN 121980762 ACN121980762 ACN 121980762ACN-121980762-A

Abstract

The application discloses a management system for recycling waste batteries based on digital twinning, which comprises a physical recycling system and a digital twinning management platform in communication connection with the physical recycling system. The system comprises a platform, a virtual twin body construction module, a simulation analysis and decision module, a control instruction issuing and executing module, a carbon footprint accounting unit and a carbon footprint accounting unit, wherein the platform integrates full life cycle data of a battery and real-time production line data through a data acquisition and fusion module, the virtual twin body construction module establishes a material twin body and a production line twin body based on the fusion data, the simulation analysis and decision module performs pre-running simulation to optimize a process and predict risks, the real-time synchronous simulation realizes dynamic monitoring, the control instruction issuing and executing module converts an optimization result into a control instruction and executes safety interlocking, and the system also integrates the carbon footprint accounting unit to realize dynamic tracking and correction of full-process carbon emission. The application realizes the safety early warning, process optimization, high-efficiency recovery, closed-loop control and green traceability of the recovery process, and obviously improves the safety, economy and environmental protection of the recovery process.

Inventors

Zeng Shengbu
SU BENJIE

Assignees

昆山世度机械科技有限公司

Dates

Publication Date: 20260505
Application Date: 20251225

Claims (9)

1. The management system for recycling the waste batteries based on digital twinning is characterized by comprising: The physical recovery system comprises a plurality of work station equipment arranged according to the process flow and is used for physically disassembling, crushing, sorting and recovering the waste batteries; The digital twin management platform is in communication connection with the physical recycling system, and comprises: the data acquisition and fusion module is used for acquiring running state data and process parameters of each station equipment of the physical recovery system in real time, acquiring full life cycle data from manufacturing and using to retirement of the battery monomers through a trusted data interface, and performing space-time alignment and fusion processing; the virtual twin body construction module is used for constructing a corresponding virtual twin model for each batch of recovered materials and the physical recovery system based on the fused data, wherein the virtual twin model comprises a material twin body representing the characteristics of the materials and a production line twin body representing the dynamic state of the production line, and synchronously updates based on the real-time data of the physical recovery system; The simulation analysis and decision module is used for carrying out pre-operation simulation and real-time synchronous simulation in the virtual twin model, wherein the pre-operation simulation simulates different process paths and parameter combinations in the production line twin based on the characteristics of the input batch material twin so as to predict recycling economy and safety risk and optimize an optimal process package, the real-time synchronous simulation is driven based on real-time data of a physical system and carries out dynamic compliance verification and risk early warning on the operation process, and the simulation analysis and decision module is used for carrying out dynamic compliance verification and risk early warning on the operation process based on the real-time data of the physical system The control instruction issuing and executing module is used for converting the optimal process package into a control instruction, issuing the control instruction to the physical recycling system for execution, and triggering safety interlocking control based on the early warning result of the real-time synchronous simulation; The simulation analysis and decision module is also integrated with a carbon footprint accounting unit, and the carbon footprint accounting unit is used for predicting a carbon footprint baseline based on the pre-running simulation, and dynamically correcting by combining energy consumption and material conversion data in the real-time synchronous simulation to generate a full-flow carbon footprint report.
2. The management system for recycling waste batteries based on digital twinning according to claim 1, wherein in the data acquisition and fusion module, the trusted data interface is a battery digital identity verification interface based on a blockchain, and full life cycle data of the battery monomers are subjected to on-chain certificate storage and verification by correlating digital identities of the battery monomers.
3. The management system for recycling waste batteries based on digital twinning according to claim 1, wherein the simulation analysis and decision module comprises a safety risk assessment unit and a process parameter optimization unit for realizing the pre-running simulation, wherein: The safety risk assessment unit is used for simulating and predicting the thermal runaway risk probability and the space-time position in the crushing process according to the historical health state, the charge state and the physical form of the battery in the material twin body and by combining a thermal-force coupling model of the anaerobic crushing system in the production line twin body, and generating a grading early warning and pre-treatment strategy; And the process parameter optimization unit is used for driving a sorting system model in the product line twin body according to the material composition prediction of the material twin body, and adjusting the process parameters through simulation iteration so as to obtain a process parameter combination which comprehensively optimizes the recovery rate and the purity of the target valuable material.
4. The management system for recycling waste batteries based on digital twinning according to claim 1, wherein the control command issuing and executing module specifically executes at least one of the following according to an optimal process package generated by the pre-running simulation: Transmitting linkage control parameters to an anaerobic crushing unit in the physical recovery system, wherein the parameters comprise an oxygen content threshold, cooperative control logic of a nitrogen and tail gas proportional valve and triggering conditions of liquid nitrogen spraying; issuing an optimized equipment frequency, wind pressure or inclination angle instruction to a sorting unit in the physical recycling system; And issuing a cracking temperature curve and residence time instruction which are dynamically adjusted based on the twin body characteristics of the materials to a medium-temperature cracking unit in the physical recovery system.
5. The management system for recycling waste batteries based on digital twinning according to claim 1, wherein the simulation analysis and decision module further comprises a virtual-real comparison and calibration unit and a dynamic safety barrier unit, and is configured to implement the real-time synchronous simulation, wherein: The virtual-real comparison and calibration unit is used for comparing the sensor data of the physical recovery system with the corresponding simulation output of the production line twin body in real time, and starting the model parameter self-calibration or equipment fault diagnosis flow when the deviation exceeds the limit; And the dynamic safety barrier unit is used for rapidly simulating the evolution of the pressure and temperature fields in the closed cavity in the production line twin body based on the real-time data flow, predicting the potential risk and triggering the regulation and control instruction in advance.
6. The management system for recycling waste batteries based on digital twinning according to claim 5, wherein the digital twinning management platform further comprises a visualization and diagnosis module, the visualization and diagnosis module performs predictive maintenance analysis on the health state of equipment based on the output of the virtual-real comparison and calibration unit, locates fault causes through a three-dimensional visual interface of the production line twinning body, and synchronously associates the control instruction issuing and executing module to trigger maintenance reminding.
7. The management system for recycling waste batteries based on digital twinning according to claim 1, wherein the physical recycling system comprises an anaerobic crushing unit, a low-temperature drying unit, a medium-temperature cracking unit and a multi-stage sorting unit which are sequentially connected through a closed belt conveyor, each unit is provided with a sensor and an actuator which are communicated with the digital twinning management platform, the virtual twinning construction module adopts a layering modeling method of a battery cell level, a module level, a battery pack level and a production line level to construct the material twinning body and the production line twinning body, and the equipment levels and the process logic of the constructed production line twinning body and the physical recycling system are consistent.
8. The management system for recycling waste batteries based on digital twinning according to claim 7 is characterized in that a first electric proportional valve and a second electric proportional valve are respectively arranged on a nitrogen supply pipeline and a tail gas discharge pipeline of the anaerobic crushing unit, the opening of the proportional valve is dynamically adjusted by the control command issuing and executing module according to simulation results, so that cooperative control of the oxygen content and the pressure in the crushing cavity is achieved, wherein the aim of cooperative control is to maintain the oxygen content to be not higher than 2% and the pressure fluctuation to be within +/-100 Pa.
9. The management system for recycling waste batteries based on digital twinning according to claim 1, wherein the virtual twinning construction module adopts a Bayesian network fusion mechanism model and measured data to quantify model confidence, and utilizes historical twinning data to quickly adapt model parameters of the material twinning body when a new type of battery is processed through a migration learning algorithm.

Description

Management system for recycling waste batteries based on digital twinning Technical Field The application relates to the field of waste battery recovery, in particular to a management system for waste battery recovery based on digital twin. Background With the rapid development of new energy industry, waste lithium batteries are recycled to be a key link for guaranteeing resource circulation and environmental safety, a recycling process system mainly comprising physical disassembly, anaerobic crushing, medium-low temperature pyrolysis and multi-stage separation is formed in the prior art, meanwhile, technologies such as digital twin, block chain and the like are gradually introduced to realize partial process digitization, equipment operation data are collected through a sensor, and material circulation and basic traceability management are assisted to be completed. However, the existing recovery system still has the obvious defects that firstly, full life cycle data is split, battery manufacturing and using stage data and recovery process data are not effectively communicated, a trusted traceability mechanism is lacked, a digital twin model is limited to a single device or production line layer, deep coupling with material characteristics and process parameters is not achieved, accurate supporting decision is difficult to achieve, secondly, safety and efficiency are difficult to achieve, parameter control such as oxygen content and temperature in the crushing and pyrolysis processes depends on a fixed threshold value, dynamic optimization based on the material characteristics is lacked, thermal runaway risk early warning and hysteresis is lacked, meanwhile, separation process parameters are mostly empirically set, comprehensive optimization of recovery rate and purity is difficult to achieve, thirdly, carbon footprint accounting lacks instantaneity and accuracy, is mostly dependent on post statistics and is not full-process dynamic tracking, and the cooperative linkage of a physical recovery system and a digital management platform is insufficient, so that closed loop control cannot be formed. Therefore, the application provides a management system for recovering waste batteries based on digital twinning, which solves the core problems of data splitting, decision delay, safety efficiency unbalance and inaccurate carbon accounting in the prior art. Disclosure of Invention In order to solve the problems, the application provides a management system for recycling waste batteries based on digital twinning. In a first aspect, the application provides a management system for recycling waste batteries based on digital twinning, which adopts the following technical scheme: A management system for recycling waste batteries based on digital twinning comprises: The physical recovery system comprises a plurality of work station equipment arranged according to the process flow and is used for physically disassembling, crushing, sorting and recovering the waste batteries; The digital twin management platform is in communication connection with the physical recycling system, and comprises: the data acquisition and fusion module is used for acquiring running state data and process parameters of each station equipment of the physical recovery system in real time, acquiring full life cycle data from manufacturing and using to retirement of the battery monomers through a trusted data interface, and performing space-time alignment and fusion processing; the virtual twin body construction module is used for constructing a corresponding virtual twin model for each batch of recovered materials and the physical recovery system based on the fused data, wherein the virtual twin model comprises a material twin body representing the characteristics of the materials and a production line twin body representing the dynamic state of the production line, and synchronously updates based on the real-time data of the physical recovery system; The simulation analysis and decision module is used for carrying out pre-operation simulation and real-time synchronous simulation in the virtual twin model, wherein the pre-operation simulation simulates different process paths and parameter combinations in the production line twin based on the characteristics of the input batch material twin so as to predict recycling economy and safety risk and optimize an optimal process package, the real-time synchronous simulation is driven based on real-time data of a physical system and carries out dynamic compliance verification and risk early warning on the operation process, and the simulation analysis and decision module is used for carrying out dynamic compliance verification and risk early warning on the operation process based on the real-time data of the physical system The control instruction issuing and executing module is used for converting the optimal process package into a control instruction, issuing the control instruction to the physical recycl