CN-121988079-A - Intelligent low-carbon type advection sedimentation tank sludge discharge method and system

CN121988079ACN 121988079 ACN121988079 ACN 121988079ACN-121988079-A

Abstract

The invention relates to the technical field of sewage treatment, in particular to a sludge discharging method and system of an intelligent low-carbon type advection sedimentation tank, wherein the method comprises the following steps of deploying a sludge monitoring module to monitor data of the advection sedimentation tank and establishing an information database of the advection sedimentation tank; the invention discloses a method for realizing intelligent efficient operation and sustainable development of a sedimentation tank, which comprises the steps of dividing a sludge discharge pipe according to an information database to obtain a pipeline segmentation result, analyzing the total sludge discharge amount, the total energy amount and the uniform coefficient of the sludge discharge pipe in a advection sedimentation tank by combining the information database, regulating and controlling the section inflow amount, the hydraulic balance state, the sludge discharge pipe energy and the sludge reflux ratio in the advection sedimentation tank according to the total sludge discharge amount, the total energy amount, the uniform coefficient and the information database.

Inventors

DU JIONG
SONG LUNING
LI QINGGUI
BAO WEIBIN
NIE JING
YAO ZHILIANG

Assignees

上海市政工程设计研究总院（集团）有限公司
南通华新环保科技股份有限公司

Dates

Publication Date: 20260508
Application Date: 20260129

Claims (10)

1. An intelligent low-carbon type advection sedimentation tank mud discharging method is characterized by comprising the following steps: A sludge monitoring module is deployed to monitor data of the advection sedimentation tank, and an information database of the advection sedimentation tank is obtained; Dividing a mud pipe according to the information database, obtaining a pipeline segmentation result, and analyzing the total mud discharge amount, the total energy value and the uniformity coefficient of the mud pipe in the advection type sedimentation tank by combining the pipeline segmentation result and the information database; regulating and controlling the section inflow rate, the hydraulic balance state, the sludge discharge pipe energy and the sludge reflux ratio in a advection sedimentation tank according to the total sludge discharge amount, the energy total value, the uniformity coefficient and the information database; based on the section inflow, the hydraulic balance state, the sludge discharge pipe energy and the sludge reflux ratio, intelligent linkage control and parameter cooperative adjustment of the horizontal sedimentation tank sludge discharge equipment are realized.
2. The intelligent low-carbon advection sedimentation tank mud discharging method according to claim 1, wherein the dividing the mud discharging pipe according to the information database and obtaining the pipeline segmentation result comprises: obtaining parameter information of the sludge discharge pipe based on the information database; Carrying out pipeline average segmentation from the initial end of the sludge discharge pipe according to the parameter information so as to obtain a segmented sludge discharge pipe; And carrying out pipeline segmentation parameter definition by combining the segmented mud discharging pipe and the parameter information, and obtaining a pipeline segmentation result.
3. The intelligent low-carbon type advection sedimentation tank mud discharging method according to claim 1, wherein the steps of dividing the mud discharging pipe according to the information database and obtaining pipeline segmentation results, and analyzing the total mud discharging amount, the total energy value and the uniformity coefficient of the mud discharging pipe in the advection sedimentation tank by combining the pipeline segmentation results and the information database comprise: Introducing a mass conservation law and a differential section continuous equation; Combining the mass conservation law, the differential section continuous equation and the pipeline segmentation result to obtain a pipeline sludge discharge conservation expression; deducing based on the conservation expression of the sludge discharge amount of the pipeline to obtain an inflow analysis formula of the sectional section of the pipeline; Analyzing the section inflow of the pipeline section through the analysis of the section inflow of the pipeline section; And carrying out integrated analysis on the section inflow of the pipeline section to obtain the total sludge discharge amount of the sludge discharge pipe in the horizontal sedimentation tank.
4. The intelligent low-carbon type advection sedimentation tank mud discharging method according to claim 1, wherein the steps of dividing the mud discharging pipe according to the information database and obtaining pipeline segmentation results, and analyzing the total mud discharging amount, the total energy value and the uniformity coefficient of the mud discharging pipe in the advection sedimentation tank by combining the pipeline segmentation results and the information database comprise: analyzing the head loss value of the pipeline section based on the hydrodynamic information, the pressure head calculation formula and the pipeline section result; introducing an energy conservation law, and combining the energy conservation law and the head loss value to obtain a pipeline sectional energy balance equation; deducing the pipeline segment energy balance equation, and obtaining a pipeline segment energy analysis formula; optimizing the pipeline sectional energy analysis by combining the influence condition of the pressure water head and the flow velocity change on the pipeline sectional energy value so as to obtain a pipeline sectional energy value prediction function; Obtaining a pipeline segment energy value by using the pipeline segment energy value prediction function; and integrating and calculating the sectional energy value of the pipeline to obtain the total energy value of the sludge discharge pipe in the advection type sedimentation tank.
5. The intelligent low-carbon type advection sedimentation tank mud discharging method according to claim 1, wherein the steps of dividing the mud discharging pipe according to the information database and obtaining pipeline segmentation results, and analyzing the total mud discharging amount, the total energy value and the uniformity coefficient of the mud discharging pipe in the advection sedimentation tank by combining the pipeline segmentation results and the information database comprise: Introducing a uniform coefficient ratio analysis function and an energy conservation law; Deducing the uniform coefficient ratio analysis function based on the energy conservation law and the pipeline segmentation result, and obtaining a mud discharge uniform coefficient analysis function; And analyzing the uniformity coefficient of the sludge discharge pipe in the advection type sedimentation tank by utilizing the analysis type sludge discharge uniformity coefficient.
6. The intelligent low-carbon type advection sedimentation tank mud discharging method according to claim 3, wherein the adjusting and controlling the section inflow, hydraulic balance state, mud discharging pipe energy and mud reflux ratio in the advection sedimentation tank according to the total mud discharging amount, the total energy value, the uniformity coefficient and the information database comprises: Analyzing the inflow working condition of the sludge discharge pipe by combining the section inflow of the pipeline section and the total sludge discharge amount; according to the inflow working condition and the information database, adjusting the mud discharging time interval and the inflow and outflow velocity; and realizing the regulation and control of the inlet flow of the interrupt surface of the advection type sedimentation tank based on the mud discharge time interval and the inlet and outlet flow velocity.
7. The intelligent low-carbon type advection sedimentation tank mud discharging method according to claim 4, wherein the adjusting and controlling the section inflow, the hydraulic balance state, the mud discharging pipe energy and the mud reflux ratio in the advection sedimentation tank according to the total mud discharging amount, the total energy value, the uniformity coefficient and the information database comprises: monitoring the water head change condition of the mud pipe by combining the water head loss value, the pipeline sectional energy value and the energy total value; Regulating and controlling the mud discharging frequency of a mud discharging pipe and adding pipeline flushing measures according to the water head change condition and the information database; and realizing the regulation and control of the water force balance state in the advection type sedimentation tank based on the mud discharging frequency and the pipeline flushing measure.
8. The intelligent low-carbon type advection sedimentation tank mud discharging method according to claim 1, wherein the adjusting and controlling the section inflow, the hydraulic balance state, the mud discharging pipe energy and the mud reflux ratio in the advection sedimentation tank according to the total mud discharging amount, the total energy value, the uniformity coefficient and the information database comprises: optimizing a sludge reflux ratio control model according to the scraper control model and the information database to obtain an improved sludge reflux ratio control model; Monitoring the effluent water quality and the sludge concentration of the advection sedimentation tank through the improved sludge reflux ratio control model; and dynamically adjusting the sludge reflux ratio based on the effluent water quality and the sludge concentration so as to realize the regulation and control of the sludge reflux of the advection type sedimentation tank.
9. The intelligent low-carbon advection sedimentation tank sludge discharge method according to claim 8, wherein optimizing the sludge reflux ratio control model according to the scraper control model and the information database comprises: introducing a scraper control model, wherein the scraper control model comprises a scraper speed control model and a mud scraper self-adjustment control model; obtaining a scraper speed default value through the scraper speed control model; obtaining information of the discharged water solid suspended matters based on the default value of the scraper speed and the self-adjusting control model of the mud scraper; And optimizing a sludge reflux ratio control model according to the effluent solid suspended matter information, the scraper control model and the information database.
10. An intelligent low-carbon type advection sedimentation tank mud discharging system, characterized in that the system comprises a processor, an input device, an output device and a memory, wherein the processor, the input device, the output device and the memory are mutually connected, the memory is used for storing a computer program, the computer program comprises program instructions, and the processor is configured to call the program instructions to execute the intelligent low-carbon type advection sedimentation tank mud discharging method according to any one of claims 1-9.

Description

Intelligent low-carbon type advection sedimentation tank sludge discharge method and system Technical Field The invention relates to the technical field of sewage treatment, in particular to an intelligent low-carbon type advection sedimentation tank sludge discharge method and system. Background The mud discharging link of the advection sedimentation tank plays an important role in stable operation and efficient treatment of the sewage treatment system, and the traditional mud discharging method and system of the advection sedimentation tank have certain limitations, so that the requirements of the sewage treatment industry on the aspects of treatment effect, energy utilization, automation degree and the like are difficult to meet. The traditional horizontal sedimentation tank is usually used for discharging mud at regular time or the mud discharging period and the mud discharging amount are set according to experience, the method cannot be dynamically adjusted according to actual mud discharging conditions, excessive accumulation of mud or excessive mud discharging and other phenomena easily occur in the sedimentation tank in actual operation, the excessive accumulation of mud occupies the effective volume of the sedimentation tank, the normal sedimentation process is interfered, the sedimentation efficiency is reduced, and further the sewage treatment effect is affected, the excessive mud discharging causes too low mud discharging concentration, the subsequent treatment efficiency of the mud is reduced, the burden of a subsequent treatment link is increased, and the energy consumption is increased. From the point of view of energy utilization, the timing mud discharging mode has obvious energy waste problem. The sludge pump continuously operates according to fixed frequency, and the sludge in the tank keeps the same working state no matter how much, so that energy waste is caused, and the sludge pump does not meet the development requirements of energy conservation and emission reduction. In terms of automation degree, the traditional sludge discharge method mainly depends on manual operation and monitoring, so that not only is the sewage treatment cost increased, but also the problems of unreasonable sludge discharge parameter setting, unstable operation of a sludge discharge system and the like caused by the influence of subjective factors are solved, the manual operation is difficult to quickly respond to the mutation condition of the sludge amount, and the requirements of stable and efficient operation of a modern sewage treatment plant are difficult to meet. Meanwhile, the existing intelligent sludge discharge method is relatively simple in control algorithm, only a few influencing factors are considered, complex operation conditions in the advection sedimentation tank cannot be comprehensively and deeply reflected, the operation conditions are not accurately mastered, key indexes such as sludge discharge amount, pipeline energy conditions and sludge discharge uniformity cannot be effectively analyzed, sludge discharge control is inaccurate and cannot form a system, and the sedimentation tank cannot be operated with high efficiency and low energy consumption. In order to realize the efficient and stable operation of the sewage treatment method and related systems and promote the long-term sustainable development of sewage treatment plants, the defects of the traditional sludge discharge method need to be overcome, the defects of the traditional sludge discharge control are overcome, the influence of various influencing factors on the running condition of the advection sedimentation tank is comprehensively considered, and the intelligent control and the cooperative adjustment of the sludge discharge system are realized. Disclosure of Invention Aiming at the inadequacy of the existing method and the requirement of practical application, in order to realize the efficient and stable operation of the sewage treatment method and system and promote the long-term sustainable development of a sewage treatment plant, an intelligent algorithm needs to be established to acquire key parameter information, so that the action condition of various influencing factors on the operation of a advection sedimentation tank is comprehensively considered, and the intelligent control and the collaborative optimization adjustment of a sludge discharge system are realized. The invention provides an intelligent low-carbon type horizontal sedimentation tank sludge discharge method which comprises the steps of carrying out data monitoring on a horizontal sedimentation tank by using a sludge monitoring module, establishing an information database of the horizontal sedimentation tank, dividing a sludge discharge pipe according to the information database, obtaining a pipeline segmentation result, analyzing the total sludge discharge amount, the total energy value and the uniformity coefficient of the sludge discharge pipe in the h