CN-121641255-B - System for modifying and enhancing biodegradability of degradable plastic

CN121641255BCN 121641255 BCN121641255 BCN 121641255BCN-121641255-B

Abstract

The invention discloses a degradation plastic modified enhanced biodegradability system, which relates to the technical field of pollution treatment and comprises an environment data analysis module, a degradation factor modeling module, a scheme matching engine module and an intelligent recommendation module, wherein the environment data analysis module is used for acquiring and processing environment data of a target area, analyzing degradation scenes related to the area and outputting comprehensive environment feature vectors of the area, and the degradation factor modeling module is electrically connected with the environment data analysis module. The degradation plastic modification enhanced biodegradability system provided by the invention can accurately identify dominant degradation scenes and key environmental influence factors in different areas by integrating multi-source environmental data and implementing deep analysis, effectively solves the problems of incomplete extraction of environmental features and fuzzy scene discrimination in the traditional method, and remarkably improves the scientificity and pertinence of degradation scheme design by using a coupling dynamics model.

Inventors

JIANG CHUNLIN
HUANG YULEI
FANG JIANI

Assignees

悟锐新材料科技(江苏)有限公司

Dates

Publication Date: 20260508
Application Date: 20260203

Claims (10)

1. The system for modifying and enhancing biodegradability of the degradable plastic is characterized by comprising an environmental data analysis module, a degradation factor modeling module, a scheme matching engine module and an intelligent recommendation module; the environment data analysis module is used for acquiring and processing environment data of a target area, analyzing degradation scenes related to the area and outputting comprehensive environment feature vectors of the area; The degradation factor modeling module is electrically connected with the environmental data analysis module, and is used for extracting quantitative environmental characteristic parameters and dominant degradation scene information from the input comprehensive environmental characteristic vectors, calling a degradation process coupling model fusing a primary dynamics model and a microorganism metabolism dynamics model based on the dominant degradation scene type, simulating degradation processes of conventional degradation plastics under different environmental combinations, outputting degradation process simulation curves, quantitatively analyzing influence contribution values of all environmental factors through global sensitivity analysis and variance decomposition, and screening and outputting a key environmental influence factor set playing a dominant role in the degradation process; The scheme matching engine module is electrically connected with the degradation factor modeling module and is used for receiving the key environment influence factor set, and outputting all feasible conventional degradation plastics suitable for the current environment characteristics and the corresponding modified enhancement scheme set thereof through matching and screening of the environment and scheme knowledge base; the intelligent recommendation module is electrically connected with the scheme matching engine module, and is used for acquiring individual optimization level settings in customer demand orders, constructing a multi-objective optimization decision function, comprehensively evaluating and sequencing scheme sets output by the scheme matching engine module, and outputting optimal conventional degradable plastics meeting customer preset priority requirements and modified enhancement schemes thereof.
2. The system for modifying and enhancing biodegradability of a degradable plastic according to claim 1, wherein the environmental data analysis module comprises: Acquiring original environmental data including climate data, soil data and water body data based on a public meteorological database, a soil census database and an environmental sensor network, wherein the climate data comprises month average temperature, humidity, ultraviolet radiation intensity and precipitation, the soil data comprises soil pH value, organic matter content and microorganism population abundance, and the water body data comprises water body type, water body pH value and dissolved oxygen content; Carrying out data cleaning, denoising and standardized preprocessing on the original environment data, and carrying out complementation on the missing data by adopting a spatial interpolation algorithm; after normalizing the preprocessed multi-dimensional environmental data, inputting the normalized multi-dimensional environmental data into a pre-trained principal component analysis model, performing dimension reduction and feature extraction, and outputting a comprehensive environmental feature vector with fixed dimension for comprehensively representing the degradation environmental characteristics of the region.
3. The system for modifying and enhancing biodegradability of a degradable plastic according to claim 2, wherein said environmental data analysis module further comprises: When the comprehensive environment feature vector is generated, a pre-constructed scene discrimination model is introduced, wherein the scene discrimination model is constructed based on a multi-layer perceptron neural network, is input into the preprocessed multi-dimensional environment data, and is output into probability distribution of a dominant degradation scene related to the region, wherein the dominant degradation scene comprises an open-air composting environment, a soil burying environment, a fresh water environment and a seawater water environment; And the environment data analysis module is used for splicing and fusing the probability distribution vector of the dominant degradation scene and the numerical environment feature vector obtained through principal component analysis to obtain an enhanced comprehensive environment feature vector containing quantitative environment features and qualitative scenes.
4. A degraded plastic modifying and enhancing biodegradability system as claimed in claim 3, wherein said degradation factor modeling module comprises: based on the obtained enhanced comprehensive environment feature vector, extracting quantitative environment feature parameters and dominant degradation scene information; Based on the dominant degradation scene type, a pre-constructed degradation process coupling model is called, and the model is fused with a primary dynamics model and a microorganism metabolism dynamics model, wherein the primary dynamics model is used for representing the macroscopic degradation rate of the plastic material, and the microorganism metabolism dynamics model is used for quantifying the catalysis of microorganisms on the degradation process; Taking quantitative environmental characteristic parameters as model input variables, setting simulation time step and boundary conditions, wherein the time step is set according to degradation scene types, and the boundary conditions comprise the dynamic change range of the environmental parameters and the initial physical and chemical properties of plastics; And performing iterative calculation, simulating mass loss rate, molecular weight attenuation law and degradation product generation amount of conventional degradation plastics under the current environment combination, and outputting degradation process quantized data of different time nodes to form a complete degradation process simulation curve.
5. The system for modifying and enhancing biodegradability of a degradable plastic according to claim 4, wherein said degradation factor modeling module further comprises: Based on a degradation process simulation curve, constructing an environmental factor influence quantitative analysis model, and calculating influence coefficients of each environmental characteristic parameter on degradation rate and final degradation rate by adopting a global sensitivity analysis method; splitting independent influence contribution values and interaction influence contribution values of all environmental factors through a variance decomposition algorithm, eliminating secondary factors with influence contribution values lower than 5%, sorting the rest influence factors from high to low according to the independent influence contribution values, and selecting factors with accumulated independent influence contribution values not lower than 90% as core influence factors; And integrating the core influence factors with the corresponding influence coefficients and contribution values to form a key environment influence factor set, wherein the key environment influence factor set is output in a weight ranking table form.
6. The modified biodegradable plastic formulation according to claim 5, wherein said formulation matching engine module comprises: A pre-constructed environment and scheme knowledge base is built in and the conventional degradation plastic type, corresponding modification technical parameters and environment applicability data are stored, wherein the knowledge base is organized according to the environment factors, the degradation plastic type and the modification enhancement scheme three-dimensional structure; the conventional degradable plastic type comprises polylactic acid, polybutylene adipate, polyhydroxyalkanoate and starch-based composite material, wherein each plastic type is related to inherent degradation characteristic parameters thereof; the modification and enhancement scheme comprises additive modification, blending modification, surface modification and biological modification, wherein each scheme is used for defining the types, the addition proportion and the technological parameters of the modifier and enhancing effect data aiming at different environmental factors; the knowledge base stores an environment factor adaptation rule base, the rule base establishes a corresponding relation between key environment influence factors and plastic degradation characteristics and modification schemes, and the adaptation priority standard under different core influence factor combinations is defined.
7. The modified biodegradable plastic enhancement system according to claim 6, wherein said scheme matching engine module further comprises: receiving a key environment influence factor set output by a degradation factor modeling module, and extracting core influence factors and corresponding weight ordering information from the key environment influence factor set; Based on the weight ordering information, a weighted similarity matching algorithm is adopted to compare the core influence factors with an environment factor adaptation rule base in an environment and scheme knowledge base, and the suitability score of each conventional degraded plastic type and the current environment characteristic is calculated; Setting an suitability score threshold and a degradation minimum standard, and screening out conventional degradation plastic types with suitability scores higher than the threshold and meeting the degradation standard; Calling all modified enhancement schemes corresponding to the screened plastic types in a knowledge base, and removing the scheme which cannot cope with the restriction of the core influence factors by combining with the verification scheme of the key environment influence factor set; and associating the screened conventional degradable plastic types with the corresponding modified enhancement schemes to form a structured feasible scheme set, wherein the set comprises plastic types, modification scheme details and environment adaptation basis and outputs the plastic types, the modification scheme details and the environment adaptation basis to the intelligent recommendation module.
8. The system for modifying and enhancing biodegradability of a degradable plastic according to claim 7, wherein said intelligent recommendation module comprises: Receiving a customer demand order, and extracting individual optimization level setting information in the customer demand order, wherein the individual optimization level setting comprises five options of cost, degradation speed, environmental friendliness, mechanical strength and process complexity; the customer sets weight coefficient for each option, the weight coefficient value range is 0-1, and the sum of the weight coefficients of all options is 1, the system provides default weight distribution scheme and supports customer self-defined adjustment; Constructing a multi-objective optimization decision function based on individual optimization level setting, and taking key parameters corresponding to conventional degradation plastic types and modification enhancement schemes in the scheme set as function input variables; And the multi-objective optimization decision function takes each option as a target dimension, gives a weight value matched with a weight coefficient set by a client to each target dimension, and determines a quantitative evaluation standard of each target dimension.
9. The system for modifying and enhancing biodegradability of a degradable plastic according to claim 8, wherein said intelligent recommendation module further comprises: invoking a multi-objective optimization decision function, carrying out quantitative evaluation on the feasible scheme aggregate output by the scheme matching engine module one by one, and calculating the single score of each scheme in each dimension of cost, degradation speed, environmental protection, mechanical strength and process complexity; calculating a comprehensive evaluation score of the scheme according to the weight coefficient of each dimension, wherein the comprehensive score = Σ (single score x corresponding weight coefficient), and the single score is quantized according to 0-100 points based on the fit degree of the actual parameter of the scheme and the target standard; sequencing all feasible schemes according to the comprehensive evaluation score from high to low, and taking the single score of the option with the highest priority set by the client as a secondary sequencing basis if schemes with the same comprehensive score exist; Screening the first scheme, and outputting the conventional degradation plastic types, the corresponding modification enhancement scheme details, the dimension evaluation scores, the comprehensive sequencing result and the basis for adapting the scheme to the requirements of clients.
10. The system for modifying and enhancing biodegradability of degradable plastic according to claim 9, further comprising obtaining the output optimal scheme and comprehensive evaluation data, and synchronously generating a multi-form output file, specifically: The visual analysis report comprises a comprehensive environment characteristic vector distribution map of a target area, a simulation curve of a conventional degradation plastic degradation process, a multidimensional evaluation radar map of each feasible scheme and a core parameter comparison map of an optimal scheme, and system analysis logic and recommendation basis are visually presented; The structural scheme comparison table lists the plastic types, modification scheme details, individual scores of the dimensions of all the possible schemes, comprehensive scores, recommended sequences and environment suitability descriptions, so that the user can conveniently and transversely compare the plastic types, the modification scheme details and the individual scores of all the optimization levels; And recommending a confidence index, wherein the index is comprehensively calculated based on the integrity of the environmental data, the matching similarity of the scheme and the fitting degree of the evaluation model, the value range is 0-1, and the confidence level and the key factor explanation affecting the confidence level are synchronously output.

Description

System for modifying and enhancing biodegradability of degradable plastic Technical Field The invention relates to the technical field of pollution control, in particular to a system for modifying and enhancing biodegradability of degradable plastics. Background With the continuous improvement of the global white pollution treatment demand, the degradable plastic gradually becomes an important substitution direction of the traditional plastic due to the natural degradation characteristic, and the biodegradability of the degradable plastic is pertinently enhanced to adapt to different application scenes, so that the degradable plastic becomes a core issue of industrial technology research and development. The difference of the environmental conditions such as climate, soil, water body and the like in different areas is remarkable, and the factors directly influence the degradation efficiency and effect of the degradation plastic, so that the environmental characteristics and the actual application requirements of the target area are fully combined when the modification scheme of the degradation plastic is formulated. The current industry has paid attention to the value of the collaborative optimization of environmental factors and modification schemes gradually, and related technology exploration starts surrounding environmental data collection, degradation process analysis and scheme adaptation expansion to aim at improving the biodegradation performance of the degradation plastic in various scenes. In the prior art practice, the related schemes are mainly focused on single-dimensional optimization, wherein part of the schemes focus on the formula modification of the degradable plastics so as to improve basic degradation performance, part of the schemes are applied to develop a production line system so as to ensure the consistency of product quality, and the schemes are used for reconstructing an environment monitoring and degradation performance feedback model or adjusting related parameters so as to optimize the degradation process. The technologies play positive roles in the respective fields, but the existing scheme is lack of integrated integration of deep analysis of environmental characteristics, modeling of degradation influence factors and personalized demands of clients, accurate matching and intelligent recommendation from environmental data to adaptive modification schemes are difficult to realize, so that partial modification schemes are insufficient in applicability in specific areas or scenes, and multi-dimensional priority demands of different clients on degradation performance, application cost and the like cannot be fully met. In this regard, we propose a system for modifying and enhancing biodegradability of a degradable plastic. Disclosure of Invention In order to solve the technical problems, the technical scheme provides a degradation plastic modification and enhancement biodegradability system, which solves the problems that the prior art multi-focus degradation plastic formula modification, production line optimization or single environment monitoring, degradation performance feedback and parameter adjustment lack of deep analysis of environmental characteristics, integrated integration of degradation influence factor system modeling and individual demands of clients, accurate matching and intelligent recommendation from environment data to adaptation modification schemes are difficult to realize, and partial scene applicability is insufficient, so that the multi-dimensional priority demands of the clients cannot be fully met. In order to achieve the above purpose, the invention adopts the following technical scheme: the system for modifying and enhancing biodegradability of the degradable plastic comprises an environmental data analysis module, a degradation factor modeling module, a scheme matching engine module and an intelligent recommendation module; the environment data analysis module is used for acquiring and processing environment data of a target area, analyzing degradation scenes related to the area and outputting comprehensive environment feature vectors of the area; The degradation factor modeling module is electrically connected with the environmental data analysis module, and is used for simulating the degradation process of the conventional degradation plastic under different environmental combinations according to the input degradation scene environmental characteristics, quantitatively analyzing and outputting a key environmental influence factor set which plays a leading role in the degradation process; The scheme matching engine module is electrically connected with the degradation factor modeling module and is used for receiving the key environment influence factor set, and outputting all feasible conventional degradation plastics suitable for the current environment characteristics and the corresponding modified enhancement scheme set thereof through matching a