High-concentration organic waste water gathering and transportation pipeline scaling prediction method based on system dynamics

A technology of system dynamics and organic wastewater, applied in the direction of forecasting, computer-aided design, special data processing applications, etc., can solve the problems of lack, situation deviation, etc., and achieve the effect of improving accuracy

Active Publication Date: 2020-12-18
SOUTHWEST JIAOTONG UNIV
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Problems solved by technology

[0003] The purpose of the present invention is to propose a system dynamics-based method for predicting fouling of high-concentration organic wastewater collection and transportation pipelines, comprehensively considering the concentration of scaling ions, thermodynamics, fluid dynamics, crystal dynamics, properties of pipe materials, and characteristics of fouling substances The c

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  • High-concentration organic waste water gathering and transportation pipeline scaling prediction method based on system dynamics
  • High-concentration organic waste water gathering and transportation pipeline scaling prediction method based on system dynamics
  • High-concentration organic waste water gathering and transportation pipeline scaling prediction method based on system dynamics

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[0061] Exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be understood that the implementations shown and described in the drawings are only exemplary, intended to explain the principle and spirit of the present invention, rather than limit the scope of the present invention.

[0062] The embodiment of the present invention provides a method for predicting fouling of high-concentration organic wastewater collection and transportation pipelines based on system dynamics, such as figure 1 As shown, the following steps S1-S7 are included:

[0063] S1. Construct a scaling problem model of wastewater transport pipelines including wastewater, pipes, and scales on the surface of pipes.

[0064] S2. Identify the key influencing factors of the scaling problem model of wastewater transportation pipelines.

[0065] In the embodiment of the present invention, the key influencing factors of the fouling pro...

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Abstract

The invention discloses a high-concentration organic waste water gathering and transportation pipeline scaling prediction method based on system dynamics, which comprehensively considers the comprehensive effect influence of a plurality of scaling control factors such as scaling ion concentration, thermodynamics, fluid dynamics, crystal dynamics, pipeline properties, scale characteristics and thelike on the scaling rate and removal rate of the surface of a pipeline, so as to solve the problems that in the prior art, the relation between all control factors and scaling amount changes is not comprehensively considered, and the deviation between a prediction result and the actual engineering situation is large. According to the method, various scaling influence factors of the waste water transportation pipeline are comprehensively considered, the accuracy of a scaling prediction result is improved, and the scaling amount and the scaling trend of the pipeline in a certain period can be effectively predicted by introducing a time factor. Meanwhile, the method can be popularized and applied to the scaling problem of other waste water conveying pipelines.

Description

technical field [0001] The invention belongs to the technical field of waste water collection and transportation pipelines, and in particular relates to the design of a system dynamics-based scaling prediction method for high-concentration organic waste water collection and transportation pipelines. Background technique [0002] Due to its complex composition and high concentration of pollutants, organic wastewater is prone to fouling during pipeline transportation, causing failure of the transportation system and increasing operating costs. How to accurately predict and control fouling is crucial to the stability of wastewater transport systems. The existing scale prediction methods are mainly divided into two categories: the first is the saturation index method based on water quality and thermodynamic factors, which establishes the functional relationship between water, salt content and temperature through the scale ionic strength and water temperature relationship curve, ...

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Application Information

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IPC IPC(8): G06F30/20G06F30/28G06Q10/04G06F113/14
CPCG06Q10/04G06F30/20G06F30/28G06F2113/14
Inventor 赵锐李敏
Owner SOUTHWEST JIAOTONG UNIV
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