A simulation device for nitrogen migration transformation

By designing a nitrogen migration and transformation simulation device and utilizing a river channel simulation mechanism and an LSTM neural network model, the problem of the inability of existing technologies to accurately simulate nitrogen migration and transformation in the confluence area of ​​the two rivers was solved, realizing a flexible and controllable simulation experiment and improving the accuracy of the simulation results.

CN121158960BActive Publication Date: 2026-06-09CHANGAN UNIV
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Patent Information

Application Number
CN202511404183.8
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-09-29
Publication Date
2026-06-09
Estimated Expiration
2045-09-29

AI Technical Summary

Technical Problem

Existing seepage channel simulation chambers cannot effectively simulate the nitrogen migration and transformation process in the confluence area of ​​the two rivers, especially under complex hydrodynamic conditions, resulting in inaccurate simulation results.

Method used

A nitrogen migration and transformation simulation device was designed, including an input unit, a simulation unit, a control unit, and a data processing unit. Nitrogen simulation solution is input through a water pump. The device utilizes a river channel simulation mechanism, a confluence triangle area simulation tank, and a side bank simulation tank. It combines carbon source control, oxygen control, and soil structure to control the aerobic/anaerobic zoning and nitrification/denitrification zoning. The data is processed using an LSTM neural network model.

Benefits of technology

It achieves accurate simulation of nitrogen migration and transformation in the confluence area of ​​the two rivers, improves the flexibility and accuracy of the simulation experiment, and can truly reflect the nitrogen salt migration process in the actual confluence area.

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Abstract

The application provides a simulation device for nitrogen migration and transformation, which comprises an input unit, a simulation unit, a biological unit, a regulation unit and a data processing unit, the input unit is used to simulate the migration of nitrogen source input from a downstream river to a surrounding area; the simulation unit comprises a river channel simulation mechanism, a confluence triangular area simulation tank, a first side bank simulation tank of a main stream and a second side bank simulation tank of the main stream, the biological unit controls aerobic / anaerobic partition and nitrification / denitrification partition by regulating carbon source, oxygen and controlling soil structure / particle, the regulation unit is arranged in the confluence triangular area simulation tank, the first side bank simulation tank of the main stream and the second side bank simulation tank of the main stream, and is used to regulate dissolved oxygen, PH and conductivity, and the data processing unit is used to give a prediction result. The application solves the problem that a traditional water tank cannot simulate the interaction of two rivers, and improves the accuracy of simulation experiment.
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