Water quality guarantee system of drinking water reservoir

Abstract

The invention discloses a water quality guarantee system of a drinking water reservoir, and relates to the technical field of drinking water reservoir management, and the water quality guarantee system comprises an exogenous pollution interception module for constructing a plant buffer zone, a purification ditch and a sewage interception pipe network three-level defense line; the endogenous pollution treatment module adopts a bottom mud active covering and targeted desilting combined technology; the intelligent monitoring and early warning module realizes real-time monitoring and early warning traceability through a sensor array and a machine learning model; the ecological purification and regulation and control module constructs submerged plant communities and regulates and controls a gate in combination with hydraulic power; the grading emergency disposal module presets a three-level response mechanism; according to the invention, collaborative prevention and control of multi-source pollution can be realized, and the problem of fragmentation of traditional treatment is solved; through an intelligent early warning and tracing technology, the hysteresis of traditional manual monitoring is broken through; by means of an ecological-engineering coupling purification technology, ecological damage is avoided while the purification efficiency is improved; and rapid control of sudden pollution is realized through a grading emergency response technology.

Description

Technical Field

[0001] This invention relates to the field of drinking water reservoir management technology, and more specifically to a water quality assurance system for drinking water reservoirs. Background Technology

[0002] Currently, drinking water reservoirs serve as the core water source for urban and rural residents, and their water quality safety is directly related to public health and social stability. At present, ensuring the water quality of drinking water reservoirs faces the following prominent issues:

[0003] 1. The sources of pollution are complex and the treatment is fragmented.

[0004] Existing technologies are mostly designed for single types of pollution (such as treating only agricultural non-point source pollution or domestic sewage) and have not formed a systematic prevention and control system. For example, when multiple sources of pollution are superimposed, such as nitrogen and phosphorus pollution caused by agricultural fertilizer runoff, organic pollution from secondary release of sediment, and sudden industrial wastewater leakage, traditional methods are difficult to coordinate and can easily lead to repeated deterioration of water quality.

[0005] 2. Lagging monitoring and early warning

[0006] Traditional water quality monitoring relies on manual sampling and laboratory analysis, with data update cycles as long as 1-3 days, making it impossible to capture pollution dynamics in real time. When sudden events such as algal blooms or heavy metal contamination occur, the lack of timely warnings often leads to the spread of pollution, threatening water supply security.

[0007] 3. Ecologically destructive governance is widespread.

[0008] While existing technologies such as chemical algae removal and full-reservoir sediment dredging can improve water quality in the short term, they can damage aquatic ecosystems (e.g., kill fish and inhibit microbial activity) and easily cause secondary pollution (e.g., chemical residues). In the long run, they can actually weaken the reservoir's self-purification capacity.

[0009] 4. Low emergency response efficiency

[0010] In the face of sudden pollution (such as the concentrated influx of pollutants after heavy rain or oil spills), existing technologies lack a graded response mechanism, often leading to an expansion of the pollution range due to insufficient material reserves and chaotic disposal procedures, and even forcing the interruption of water supply.

[0011] Therefore, how to solve the above-mentioned shortcomings is a problem that urgently needs to be solved by those skilled in the art. Summary of the Invention

[0012] In view of this, the present invention provides a water quality assurance system for drinking water reservoirs to address the pain points of existing technologies such as "fragmented pollution control, lagging monitoring, large ecological damage, and inefficient emergency response".

[0013] To achieve the above objectives, the present invention adopts the following technical solution:

[0014] A water quality protection system for a drinking water reservoir includes: an external pollution interception module, an internal pollution treatment module, an intelligent monitoring and early warning module, an ecological purification and regulation module, and a tiered emergency response module;

[0015] The external pollution interception module constructs a three-tiered defense line consisting of a plant buffer zone, purification ditches, and sewage interception pipe network to intercept pollutants from the outside.

[0016] The endogenous pollution control module constructs a combination of active sediment coverage and targeted dredging to control the internal pollution released from the sediment.

[0017] The intelligent monitoring and early warning module is based on a machine learning model to associate water quality, meteorological, and pollution source data to achieve pollution early warning and source tracing, providing a basis for the daily regulation of the ecological purification module and the graded response of the emergency response module;

[0018] The ecological purification and regulation module, based on the monitoring data collected by the intelligent monitoring and early warning module, performs routine ecological restoration of the water body to maintain water quality stability.

[0019] The tiered emergency response module receives pollution exceedance information generated by the intelligent monitoring and early warning module, and initiates corresponding measures according to the severity of the pollution, forming a closed-loop control.

[0020] Optionally, the exogenous pollution interception module constructs a three-tiered defense line consisting of a plant buffer zone, purification ditches, and sewage interception pipe network, specifically including:

[0021] The buffer zone is planted with emergent plants to absorb silt, nitrogen, and phosphorus from surface runoff; the purification ditches are filled with biochar fillers and microbial carriers to degrade pesticide residues and organic matter; the sewage interception network collects domestic sewage from surrounding villages and discharges it after pretreatment using a small-scale A / O process.

[0022] Optionally, the endogenous pollution control module constructs a combined technology of active sediment cover and targeted dredging, specifically including:

[0023] The cover layer is composed of modified clay, zeolite, and microbial agents, with a thickness of 5-10cm. Underwater robots are used to locate the bottom sediment areas with excessive pollution concentrations, and environmental dredging is carried out only in these areas to reduce ecological disturbance.

[0024] Optionally, the intelligent monitoring and early warning module deploys sensor arrays at multiple key locations, including the reservoir inlet, the reservoir center, and the nearshore area, to monitor various data indicators in real time.

[0025] Based on machine learning models, the system correlates water quality data, meteorological data, and pollution source data, and automatically issues warnings and generates pollution exceedance information when indicators approach thresholds.

[0026] Optionally, the ecological purification and regulation module constructs a submerged plant community, which increases dissolved oxygen and absorbs nitrogen and phosphorus through photosynthesis, and inhibits algal competition; and installs hydraulic regulation gates to periodically adjust water level and flow rate, break up water stratification, avoid the formation of anaerobic environment, and enhance self-purification capacity.

[0027] Optionally, the tiered emergency response module is preset with a three-level response mechanism:

[0028] Slight exceedance: Activate the ecological purification and regulation module;

[0029] Moderate pollution: Cut off the pollution source and add purification materials;

[0030] Severe pollution: Switch to backup water source and implement special treatment simultaneously.

[0031] As can be seen from the above technical solution, compared with the prior art, the present invention discloses a water quality protection system for drinking water reservoirs, which has the following beneficial effects:

[0032] 1. Multi-source pollution synergistic prevention and control technology: Through a three-dimensional system of "three-level external source interception + precise internal source treatment", it realizes multi-source synergistic control of agricultural non-point source pollution, domestic sewage, and sediment pollution, and solves the problem of fragmented treatment in traditional treatment.

[0033] 2. Intelligent early warning and source tracing technology: Based on real-time sensor monitoring and machine learning models, it achieves minute-level early warning and accurate source tracing of pollution, overcoming the lag of traditional manual monitoring;

[0034] 3. Eco-engineering coupled purification technology: This technology combines ecological methods such as submerged plant restoration and hydraulic regulation with engineering technologies such as bottom sediment covering and targeted dredging to improve purification efficiency while avoiding ecological damage.

[0035] 4. Tiered emergency response technology: Establish a three-tiered response process of "minor-moderate-severe", and combine material reserves and contingency plan linkage to achieve rapid control of sudden pollution. Attached Figure Description

[0036] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on the provided drawings without creative effort.

[0037] Figure 1 This is a schematic diagram of the system structure provided by the present invention. Detailed Implementation

[0038] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0039] This invention discloses a water quality protection system for drinking water reservoirs, such as... Figure 1 As shown, it includes: an external pollution interception module, an internal pollution control module, an intelligent monitoring and early warning module, an ecological purification and regulation module, and a tiered emergency response module;

[0040] The external pollution interception module constructs a three-tiered defense line consisting of plant buffer zones, purification ditches, and sewage interception pipe networks to intercept pollutants from external sources.

[0041] The endogenous pollution control module constructs a combination of active sediment coverage and targeted dredging to control the internal pollution released from the sediment.

[0042] The intelligent monitoring and early warning module uses a machine learning model to correlate water quality, meteorological, and pollution source data to achieve pollution early warning and source tracing, providing a basis for the daily control of the ecological purification module and the graded response of the emergency response module.

[0043] The ecological purification and regulation module uses monitoring data collected by the intelligent monitoring and early warning module to carry out routine ecological restoration of water bodies and maintain water quality stability.

[0044] The tiered emergency response module receives pollution exceedance information generated by the intelligent monitoring and early warning module, and initiates corresponding measures based on the severity of the pollution to form a closed-loop control system.

[0045] The various modules form a closed loop through data exchange and process linkage:

[0046] 1. External pollution interception module

[0047] A three-tiered defense system is constructed, consisting of a plant buffer zone, purification ditches, and intercepting sewer networks. The buffer zone (50-100m wide) is planted with emergent plants such as reeds and calamus to absorb sediment and nitrogen and phosphorus from surface runoff. The purification ditches are equipped with biochar fillers and microbial carriers to degrade pesticide residues and organic matter. The intercepting sewer network collects domestic sewage from surrounding villages and discharges it after pretreatment using a small-scale A / O process.

[0048] 2. Endogenous pollution control module

[0049] The technology combines “active sediment cover + targeted dredging”: the cover layer is composed of modified clay (to block the release of pollutants), zeolite (to adsorb nitrogen and phosphorus), and microbial agents (to degrade organic matter), with a thickness of 5-10cm; underwater robots are used to locate sediment areas with excessive pollution concentrations (such as reservoir bay sediment areas), and environmental dredging is carried out only in these areas to reduce ecological disturbance.

[0050] 3. Intelligent monitoring and early warning module

[0051] Sensor arrays are deployed at key locations such as the reservoir intake, reservoir center, and nearshore area to monitor 12 indicators in real time, including pH, dissolved oxygen, chlorophyll a, and heavy metals (lead, cadmium, etc.). The data is updated every minute and transmitted to the central control platform.

[0052] Based on machine learning models, the system correlates water quality data, meteorological data (rainfall, wind speed) and pollution source data. When the indicators approach the threshold, it automatically issues an early warning and pushes pollution source tracing results (such as determining that the pollution comes from agricultural non-point source pollution or industrial leakage).

[0053] 4. Ecological purification and regulation module

[0054] Constructing submerged plant communities (Vallisneria natans, Hydrilla verticillata) can increase dissolved oxygen, absorb nitrogen and phosphorus through photosynthesis, and inhibit competition from other algae.

[0055] Install hydraulic control gates to regularly adjust water level and flow rate (1-2 times per month) to break up water stratification, prevent the formation of anaerobic environments, and enhance self-purification capabilities.

[0056] 5. Tiered Emergency Response Module

[0057] Pre-set three-level response mechanism:

[0058] Slight exceedance (e.g., total phosphorus 0.05-0.1 mg / L): Activate the ecological purification module (increase the amount of submerged plants).

[0059] Moderate pollution (e.g., total phosphorus 0.1-0.2 mg / L): Cut off the pollution source (close the inlet gate of the polluted area) and add purification materials such as activated carbon;

[0060] Severe pollution (e.g., total phosphorus > 0.2 mg / L): Switch to backup water source and implement special treatment simultaneously (e.g., emergency dredging + bioremediation);

[0061] Emergency stations were set up around the reservoir, and supplies such as algaecides, oil booms, and portable water quality testing instruments were stockpiled to ensure a response within 30 minutes.

[0062] The various embodiments in this specification are described in a progressive manner, with each embodiment focusing on its differences from other embodiments. Similar or identical parts between embodiments can be referred to interchangeably. For the apparatus disclosed in the embodiments, since they correspond to the methods disclosed in the embodiments, the description is relatively simple; relevant parts can be referred to the method section.

[0063] The above description of the disclosed embodiments enables those skilled in the art to make or use the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A water quality assurance system for a drinking water reservoir, characterized by, Comprise: Exogenous pollution interception module, endogenous pollution treatment module, intelligent monitoring and early warning module, ecological purification and regulation module, hierarchical emergency disposal module; The exogenous pollution interception module constructs a three-level defense line of plant buffer zone + purification ditch + sewage interception pipe network to intercept external input pollutants; The endogenous pollution treatment module constructs a combination of active cover and targeted dredging to control internal pollution released by sediment; The intelligent monitoring and early warning module correlates water quality, weather, and pollution source data based on a machine learning model to achieve pollution early warning and tracing, providing a basis for daily regulation of the ecological purification module and hierarchical response of the emergency disposal module; The ecological purification and regulation module maintains water quality stability by normalizing ecological restoration of the water body based on monitoring data collected by the intelligent monitoring and early warning module; The hierarchical emergency disposal module receives pollution exceeding standard information generated by the intelligent monitoring and early warning module and initiates corresponding measures according to the severity to form a closed-loop control.

2. A water quality assurance system for a potable water reservoir as claimed in claim 1, wherein, The exogenous pollution interception module constructs a three-level defense line of plant buffer zone + purification ditch + sewage interception pipe network, which specifically includes: The buffer zone is planted with emergent plants to adsorb sediment and nitrogen and phosphorus in surface runoff; the purification ditch is embedded with biochar filler and microbial carrier to degrade pesticide residues and organic matter; the sewage interception pipe network collects domestic sewage from surrounding villages and discharges after pretreatment by small A / O process.

3. The water quality assurance system for a potable water reservoir according to claim 1, wherein The endogenous pollution treatment module constructs a combination of active cover and targeted dredging, which specifically includes: The cover layer is composed of modified clay, zeolite, and microbial agent with a thickness of 5-10 cm; underwater robots are used to locate areas with excessive pollution concentration, and only the area is subjected to environmental dredging to reduce ecological disturbance.

4. The water quality assurance system for a potable water reservoir according to claim 1, wherein The intelligent monitoring and early warning module arranges sensor arrays at multiple key points such as the reservoir inlet, center, and nearshore area to monitor real-time data indicators; Based on a machine learning model, water quality data, weather data, and pollution source data are correlated, and automatic early warning is triggered when indicators approach threshold values, generating pollution exceeding standard information.

5. The water quality assurance system for a potable water reservoir according to claim 1, wherein The ecological purification and regulation module constructs a submerged plant community to enhance dissolved oxygen, absorb nitrogen and phosphorus, and inhibit algal competition through photosynthesis; and installs hydraulic regulation gates to regularly adjust water level and flow rate, break water stratification, avoid anaerobic environment formation, and enhance self-purification capacity.

6. The water quality assurance system for a potable water reservoir according to claim 1, wherein The hierarchical emergency disposal module presets a three-level response mechanism: Mild exceedance: start the ecological purification and regulation module; Moderate pollution: cut off the pollution source and release purification materials; Severe pollution: switch to backup water source and implement special treatment simultaneously.

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