CN112288127A - Drainage system matching evaluation method and platform - Google Patents
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Abstract
A method and platform for assessing the suitability of a drainage system, the method comprising the steps of: collecting the data of the drainage system, and establishing a multi-stage matching evaluation index system; a monomer facility matching evaluation and modification scheme; a scheme for evaluating and modifying the matching among drainage facilities; evaluating the system matching performance; making an engineering scheme and an optimized scheduling scheme; and evaluating after matching. The platform comprises a data digital processing module, a single facility matching evaluation module, an inter-facility matching evaluation module, a system matching evaluation module, an engineering scheme decision module, an optimized scheduling analysis module and a matching post-evaluation module. The invention can evaluate the urban drainage single facility, analyze the matching between facilities and the system, and directly judge the symptom node of the matching of the urban drainage facility through the collection, the arrangement and the analysis of the drainage facility data and the construction of the working platform, thereby providing a basis for reasonably transforming the scale of the drainage facility and optimizing the operation and the scheduling scheme of the drainage facility.
Description
Technical Field
The invention relates to the technical field of digital management and evaluation of drainage systems, in particular to a method and a platform for evaluating the matching of a drainage system.
Background
The urban drainage system is generally composed of all or part of elements such as pipe networks, pump stations, sewage treatment plants, regulation/purification facilities and receiving water bodies, and the facilities are communicated with each other and run in a linkage manner to jointly execute the tasks of urban waterlogging prevention and treatment and sewage treatment. However, the urban drainage system is usually built gradually along with the development of the city, concepts and technologies at all stages are developed, and the matching performance between facilities is insufficient due to the defects in value construction and management, so that a series of problems are brought, such as direct drainage of sewage in dry weather, combined overflow pollution in rainy days, high-water-level operation of a pipe network and the like. At present, the matching performance of urban drainage facilities is temporarily not uniformly defined and systematically evaluated at home and abroad, so that the phenomena of headache and foot pain are often caused in the design and construction processes of the urban drainage system, the unreasonable scale of single facilities and the failure of design can be caused by the incapability of systematically treating the matching performance problem among the urban drainage facilities, and the waste of construction investment can be caused.
Disclosure of Invention
The invention mainly aims to provide a method and a platform for evaluating the matching of a drainage system. Optimizing space scheduling rules among facilities, providing an optimized reconstruction scheme for drainage system facilities for places which do not accord with a planning target on the basis of fully utilizing the scale of the single facilities, and timely evaluating after matching urban drainage facilities and timely updating the arrangement by combining the near-term and long-term planning of a drainage system.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a method for evaluating the matching performance of a drainage system comprises the following steps:
step 1: collecting the data of the drainage system;
step 2: establishing a multi-stage matching evaluation index system;
and step 3: a monomer facility matching evaluation and modification scheme;
and 4, step 4: a scheme for evaluating and modifying the matching among drainage facilities;
and 5: evaluating the system matching performance;
step 6: making an engineering scheme and an optimized scheduling scheme;
and 7: and evaluating after matching.
Further, the data collection of the drainage system in the step 1 comprises the established engineering, design scheme, planning target, monitoring result and operation record data of a sewage treatment plant, a pipe network, a regulation/purification facility, a terminal water body and the whole system.
Further, the multi-stage matching evaluation index system in the step 2 comprises a sewage treatment plant, a pipe network, a storage/purification facility, a tail end water body and a planning construction target of the whole system.
Further, the single facility matching evaluation in the step 3 is to apply the index system established in the step 2 to evaluate the matching of the single facility of the drainage system, and to analyze the structural defects of the established facility and the functional insufficiency compared with the planning target, and to provide a primary reconstruction scheme for the unmatched places; the unit facility matching property comprises pipe network capacity, pump station drainage capacity, storage/purification facility capacity and sewage treatment plant capacity.
Further, the evaluation of the matching among facilities in the step 4 is to evaluate the matching between the drainage facilities with the functions of regulation, purification and promotion and the pipelines by applying the index system established in the step 2, and to propose an engineering scheme for unmatched places according to the evaluation result of the matching among the drainage facilities so as to improve the matching among the facilities; the evaluation content of the matching among the drainage facilities comprises the matching between the sewage treatment plant and an upstream pipe network, the matching between the storage/purification facility and an upstream pipe network and a downstream pipe network, the matching between the pump station and the upstream pipe network and the downstream pipe network, and the matching between the transfer pump station and the downstream pump station.
Further, the step 5 of evaluating the matching performance of the drainage system comprises the matching performance of a factory-pool-station-network system and the matching performance of the drainage system and the water environment of the terminal water body, wherein the matching performance of the factory-pool-station-network system comprises whether the dry-weather collection and treatment capacity in the system is matched with the sewage quantity generated by the system, the matching performance of the maximum collection/regulation and storage of the rainwater and sewage quantity received by the treatment facility in rainy days and the CSO control target in rainy days, the matching performance of different running modes and effluent water quality standards of the sewage plant in dry seasons and rainy seasons, different overflowing capacity and treatment capacity, the matching performance of the discharge standard, the matching performance of the regulation and storage facility, the emptying period and interval and the off-peak receiving capacity of the downstream sewage plant, the source head, midway and terminal drainage flow rate controllability of different rainfall types, and the matching performance of the drainage facility and the water environment of the water receiving system comprises the relation of different discharge ports and the water receiving level of, Whether a backward flow or a jacking effect exists, the matching property of CSO overflow and the bearing capacity of the water environment of the receiving water body, the matching property of sewage treatment facility discharge and the water environment, the matching property of rainwater pipe network discharge and the water environment, and the matching property of pollutant discharge of a drainage system and the bearing capacity of the water environment of the receiving water body.
Further, step 6 is to make an engineering scheme according to the results of the evaluation of the matching of the individual units, the facilities and the system in steps 3, 4 and 5 to find out the bottleneck of the system, and to make the drainage facility achieve the purpose of relieving urban waterlogging and CSO overflow caused by rainfall by optimizing the control rules of the drainage facility to make an optimized scheduling scheme.
Further, the pipe network capacity comprises a large pipe, a small pipe, a reverse slope, pipe network inflow, whether the pipe network drainage capacity meets the design and planning requirements, and the matching between the rainwater receiving capacity of the rainwater grate and the runoff; the drainage capacity of the pump station is whether the drainage capacity of the pump station meets the current situation and the planning requirement, the capacity of the storage regulation/purification facility comprises whether the water storage scale meets the current situation and the planning requirement, whether the water inlet and outlet rules of the storage regulation pool are reasonable, and whether the purification treatment capacity meets the design requirement, the capacity of the sewage plant comprises the water quality standard reaching situation of inlet and outlet water in dry days, the sewage collection range and the collection rate, the combined system area, whether the treatment capacity except the maximum variation coefficient exists in rainy days, and the dry season/rainy season switching capacity of a treatment process pipeline.
Further, the matching performance between the sewage treatment plant and the upstream pipe network comprises the matching performance between the maximum treatment capacity of the effluent quality of the sewage plant which reaches the standard on dry days and the maximum conveying capacity of the upstream pipe network on dry days, the matching performance between the maximum treatment capacity of the effluent quality of the sewage plant which meets the emission standard on rainy days and the maximum conveying capacity of the upstream pipe network on rainy days, the matching performance between the storage/purification facility and the upstream pipe network comprises the matching performance between the storage capacity of the storage facility and the conveying capacity of the upstream pipe network, the matching performance between the emptying capacity of the storage facility and the emptying capacity of the downstream pipe network, the matching performance between the purification capacity of the purification facility and the conveying capacity of the upstream pipe network, and the matching performance between the purification capacity of the purification facility and the emptying time, wherein the matching performance between the pump station and the upstream pipe network comprises whether the pumping capacity of the received rainwater, the sewage and the rainwater and sewage mixed water, The method comprises the steps of meeting the requirement of the peak water amount of rainwater and rain sewage mixed water, matching the conveying capacity of a downstream pipe network with the drainage peak drainage capacity of a pump station, matching the water pump control rule with the water amount of incoming water of an upstream pipe network, and matching the transfer pump station with the downstream pump station, wherein the matching of the pump station with the transfer function of the pipe network with the capacity of the downstream pump station.
Further, the method for evaluating whether the water quality of the dry-day outlet water of the sewage plant meets the requirement is to judge whether the standard reaching rate of the tail water quality of the sewage plant meets the design requirement, the method for evaluating whether the water intake capacity of the dry-day outlet water meets the current situation and the planning requirement is to judge whether the water receiving range, the treatment capacity and the water intake pollutant concentration of the sewage plant meet the design and planning requirements, and the method for evaluating whether the treatment capacity except the maximum variation coefficient exists in rainy days in a confluence area is to monitor the treatment process and the water inlet and outlet amount of the sewage plant.
Further, the method for evaluating the matching between the standard-reaching maximum treatment capacity of the effluent quality of the sewage plant on dry days and the maximum conveying capacity of the upstream pipe network on dry days is to match the flow monitoring data of the main pipe network of the dry days with the treatment capacity of the sewage plant, and a model means can be adopted for auxiliary analysis in the region where partial flows are not matched.
The evaluation platform of the matching evaluation method of the drainage system is established based on a Geographic Information System (GIS), provides the functions of management, browsing, query, spatial analysis and matching evaluation of multi-source data related to drainage facilities, and the multi-source data comprises the drainage facilities, basic data of an underlying surface of a city, data updated regularly/in real time in monitoring/detection and a planning target of the drainage system, and comprises the following modules:
module 1: a data digital processing module;
and (3) module 2: a monomer facility matching evaluation module;
and a module 3: an inter-facility matching evaluation module;
and (4) module: a system matching evaluation module;
and a module 5: an engineering scheme decision module;
and a module 6: an optimized scheduling analysis module;
and a module 7: and a matching post-evaluation module.
The module 1 is used for carrying out digital processing on data in various formats generated by various data sources according to different structures and fields, and carrying out unified classification management on the data, so that a user can check and update the data; after the basic city information, data and matching evaluation indexes are put in storage, the module 2 analyzes attribute data, monitoring data and environmental data of different types and records whether the current operation condition of the single facility meets the design requirement or not, and compares the current operation condition with a planning target to evaluate whether the function of the current single facility meets the matching requirement after planning or not, and the module takes the single facility as an evaluation object; the module 3 is combined with the analysis result of the module 2 to eliminate the function deficiency of the single facility caused by structural defects, and analyze the influence of data such as flow, liquid level and the like of an upstream pipe network and a downstream pipe network of the drainage facility on the operation capacity of the drainage facility; the module 4 is combined with the results analyzed by the module 2 and the module 3 to evaluate the matching of the drainage system and the running capability of the system in dry days and rainy days; the module 5 combines the analysis results of the module 2, the module 3 and the module 4, combines the unmatched positions with a planning target, and provides a new construction and reconstruction project scheme; the module 6 combines the matching evaluation results of the module 2, the module 3 and the module 4, and overlaps the proposed project decision scheme of the module 5, and reasonably sets an optimized scheduling rule by optimizing the water inlet and drainage rules of the drainage facility with the functions of storage regulation and purification and fully utilizing the on-line storage regulation space of the conditional pipeline; and the module 7 predicts the system matching result after the engineering scheme/the optimized scheduling scheme is completed according to the results analyzed by the modules 5 and 6 and by combining the existing data input by the module 1.
The method and the platform for evaluating the matching performance of the drainage system can enable a user to carry out standardized and digital management on drainage facility information, can screen the bottleneck of operation of the drainage system by scientifically evaluating and predicting the matching state of the drainage system by using relevant data, and makes a project scheme decision and an optimized scheduling scheme. The method helps related workers and managers to plan and design drainage facility projects in a targeted and time-ordered manner, improves the utilization rate of the drainage facility through optimized scheduling, and reduces the cost investment of new projects.
Drawings
FIG. 1 is a schematic flow chart of the method of the present invention;
FIG. 2 is a detailed flow diagram of the method of the present invention;
FIG. 3 is a flow chart of the evaluation platform of the present invention.
Detailed Description
The present invention will be further described with reference to the following specific examples. The description in this section is for several exemplary embodiments only, and the present invention is not limited only to the scope of the embodiments described. The same or similar prior art means and some technical features of the embodiments are mutually replaced and are also within the description and the protection scope of the invention.
Referring to fig. 1, the present invention provides a method for evaluating the matching of a drainage system, which comprises the following steps:
step 1: collecting drainage system data including sewage treatment plant, pipe network, regulation/purification facility, terminal water body and the established engineering, design scheme, planning target, monitoring result and operation record data of the whole system.
Step 2: and establishing a multi-stage matching evaluation index system, wherein the system comprises a sewage treatment plant, a pipe network, a storage/purification facility, a tail end water body and a planning and construction target of the whole system. And constructing a priority staged drainage system matching evaluation index system according to the near-term and far-term overall construction targets of the drainage system with reliability, elasticity and sustainability.
And step 3: evaluating the matching of the index system established in the step 2 to the single facilities of the drainage system, analyzing the structural defects of the established facilities and the functional insufficiency compared with a planning target, and providing a primary reconstruction scheme for unmatched places; the unit facility matching property comprises pipe network capacity, pump station drainage capacity, storage/purification facility capacity and sewage treatment plant capacity. The pipe network capacity comprises a large pipe sleeve and a small pipe, a reverse slope, pipe network inflow and seepage, whether the pipe network drainage capacity meets the design and planning requirements or not, and the matching performance of the rainwater receiving capacity and the runoff of the rainwater grate. And the pump station drainage capacity is whether the pump station drainage capacity meets the current situation and the planning requirement. The efficiency of the storage/purification facility comprises whether the water storage scale meets the current situation and the planning requirement, whether the water inlet and emptying rules of the storage tank are reasonable, and whether the purification treatment capacity meets the design requirement. The sewage plant capacity comprises the water quality standard reaching situation of the effluent in dry days, the sewage collection range and the sewage collection rate, the treatment capacity except the maximum change coefficient in rainy days, and the dry season/rainy season switching capacity of the treatment process pipeline.
The method for evaluating whether the water quality of the dry-day effluent of the sewage plant meets the requirement is to judge whether the standard reaching rate of the tail water quality of the sewage plant meets the design requirement, and the method for evaluating whether the water intake capacity of the dry-day water plant meets the current situation and the planning requirement is to judge whether the water receiving range, the treatment capacity and the water intake pollutant concentration of the sewage plant meet the design and planning requirements, and the method for evaluating whether the treatment capacity except the maximum variation coefficient exists in rainy days in a combined system area is to monitor the treatment process and the water inlet and outlet amount of the sewage plant.
And 4, step 4: evaluating the matching between facilities and improving the scheme, wherein the index system established in the step 2 is applied to evaluate the matching between drainage facilities with the functions of storage, purification and lifting, such as a sewage plant, a storage tank, a pump station and the like, and pipelines, and the engineering improvement scheme is provided for unmatched places according to the evaluation result of the matching between the drainage facilities so as to improve the matching between the facilities; the evaluation content of the matching among the drainage facilities comprises the matching between the sewage treatment plant and an upstream pipe network, the matching between the storage/purification facility and an upstream pipe network and a downstream pipe network, the matching between the pump station and the upstream pipe network and the downstream pipe network, and the matching between the transfer pump station and the downstream pump station. The matching performance of the sewage treatment plant and the upstream pipe network comprises the matching performance of the maximum treatment capacity of the effluent quality of the sewage treatment plant which reaches the standard in dry days and the maximum conveying capacity of the upstream pipe network in dry days, and the matching performance of the maximum treatment capacity of the effluent quality of the sewage treatment plant which meets the emission standard in rainy days and the maximum conveying capacity of the upstream pipe network in rainy days. The matching performance of the regulation/purification facility and the upstream and downstream pipe networks comprises the matching performance of the water storage capacity of the regulation/purification facility and the conveying capacity of the upstream pipe network, the matching performance of the emptying capacity of the regulation/purification facility and the drainage capacity of the downstream pipe network, the matching performance of the purification capacity of the purification facility and the conveying capacity of the upstream pipe network, and the matching performance of the purification capacity of the purification facility and the drainage capacity and the emptying time. The matching performance of the pump station and the upstream and downstream pipe networks comprises the matching performance of whether the pumping and drainage capacity of received rainwater, sewage and rain and sewage mixed water is matched with the peak water quantity requirement of the sewage, rainwater and rain and sewage mixed water collected at the upstream or not, the matching performance of the conveying capacity of the downstream pipe networks and the drainage peak drainage capacity of the pump station, and the matching performance of the water pump control rules and the water quantity of the incoming water of the upstream pipe networks. The matching performance of the transfer pump station and the downstream pump station comprises the matching performance (water consumption peak, valley and rainy season) of the pump station with the transfer function of the pipe network and the downstream pump station.
The method for evaluating the matching performance of the standard-reaching maximum treatment capacity of the effluent quality of the sewage plant in the dry day and the maximum conveying capacity of the upstream pipe network in the dry day is characterized in that the flow monitoring data of the main pipe network in the dry day is matched with the treatment capacity of the sewage plant, and a model means can be adopted for auxiliary analysis in a region with part of unmatched flow.
And 5: the matching evaluation of the drainage system comprises the system matching of a factory-pool-station-network and the matching of the drainage system and the water environment of a terminal water body, wherein the system matching of the factory-pool-station-network comprises whether the dry-day collection and treatment capacity in the system is matched with the sewage quantity generated by the system, the matching of the maximum collection/storage and the rainwater and sewage quantity received by treatment facilities (under the condition of effluent quality with different treatment standards) in rainy days with a CSO control target, the matching of different operation modes and effluent quality standards of sewage plants in dry seasons and rainy seasons, different overflowing capacities and treatment capacities, the matching of the discharge standards, the matching of the storage regulation and storage capacity, the emptying period and interval with the peak staggering and receiving capacity of downstream sewage plants, and the source, midway and terminal drainage controllability of different rainfall types, and the matching of the drainage facilities and the water environment of the receiving facilities comprises different discharge ports (rainwater, water discharge ports, and the like), Catch basin overflow, etc.) and the water level relationship of the receiving water body, whether the back-flow or jacking effect exists, the matching property of the CSO overflow and the water environment bearing capacity of the receiving water body, the matching property of the sewage treatment facility discharge and the water environment, the matching property of the rainwater pipe network discharge and the water environment, and the matching property of the pollutant discharge of the drainage system and the water environment bearing capacity of the receiving water body.
Step 6: and (5) formulating an engineering scheme and an optimized scheduling scheme, formulating the engineering scheme according to the monomer, facility and system matching evaluation results in the steps (3), (4) and (5) to find out a system bottleneck, and formulating the engineering scheme in a targeted manner. And an optimized scheduling scheme is formulated by optimizing a drainage facility control rule in order to enable the drainage facility to achieve the purpose of relieving urban waterlogging and CSO overflow caused by rainfall. And (3) the engineering scheme and the optimized scheduling scheme need to apply a model to predict whether the design target of the scheme can be reached, and if the design target can not be reached, the system needs to return to the step (5) to continue system evaluation.
And 7: and evaluating after matching.
The specific implementation method of the method comprises the following steps: through data collection and on-site investigation, a drainage system evaluation index system is formulated by combining with the urban drainage system target, the existing structural defects and functional defects of the single facilities and whether the current situation meets the planning target are evaluated, and a primary transformation scheme is proposed for unmatched places. For example, the bottleneck problem of the pipe network is evaluated; and (4) carrying out matching evaluation on the sewage yield of the urban population and the sewage treatment capacity of the drainage system at the present stage and after planning, and providing a modification scheme for repairing, expanding and newly building a monomer drainage facility for unmatched places. And establishing a monitoring scheme, constructing a drainage system model, and calibrating and verifying the model by using monitoring data. The matching evaluation between the sewage plant and the pipeline is comprehensively evaluated through monitoring data (liquid level and flow) and a model prediction curve. The matching evaluation among the pump station, the storage/purification facility and the pipeline is carried out by carrying out rationality evaluation on the operation records of the opening and closing, the emptying time and the like of the facility. If the situation of mismatching is found, the matching performance among facilities can be improved through engineering modification or an optimized operation scheme, the engineering modification scheme or the optimized control rule is generalized into a model, and the effect after modification is simulated and predicted. Under different rainfall conditions, matching space analysis of different district integral drainage systems is carried out by drawing relation graphs of the flow, liquid level and water quality of main sewage plants, regulation and storage pools, pump stations and the like, matching evaluation is carried out on the water environment capacity of the terminal water body and the pollutant output flow of the drainage system and surface runoff, if the drainage system is not matched in dry days or rainy days, a near-term factory website pool combined row combined dispatching scheme is provided by combining city planning and terminal water body treatment targets, system matching optimization can be carried out by auxiliary engineering reconstruction measures in places with prominent contradiction points, and target accessibility analysis is carried out on an optimization result, so that the drainage system finally reaches a state of complete matching of single facilities, facilities and the system with the terminal water body. And tracking evaluation and continuous optimization are carried out on the matching of the drainage system as the engineering implementation needs.
Referring to fig. 3, the present invention provides a platform of a drainage system matching evaluation method, the platform is established based on a geographic information system GIS, and provides functions of management, browsing, query, spatial analysis and matching evaluation of multi-source data related to drainage facilities, the multi-source data includes drainage facilities, basic data of an urban underlying surface, data updated regularly and in real time for monitoring/detection, and a drainage system planning target, and the platform includes the following modules:
module 1: a data digital processing module;
and (3) module 2: a monomer facility matching evaluation module;
and a module 3: an inter-facility matching evaluation module;
and (4) module: a system matching evaluation module;
and a module 5: an engineering scheme decision module;
and a module 6: an optimized scheduling analysis module;
and a module 7: and a matching post-evaluation module.
The module 1 is used for carrying out digital processing on data in various formats generated by various data sources according to different structures and fields, and carrying out unified classification management on the data, so that a user can check and update the data. The data comprises the current city situation, planned drainage facility attribute data, basic information of traffic roads, water systems, population density, buildings and the like, and continuously updated data of flow monitoring, water quality detection and the like, and the data is finally processed into uniform shp format data according to the drainage system matching evaluation index combed by the upper planning.
After the basic city information, data and matching evaluation indexes are put in storage, the module 2 analyzes attribute data, monitoring data and environmental data of different types, records whether the current operation condition of the single facility meets the design requirement or not through operation, and compares the current operation condition with a planning target to evaluate whether the function of the current single facility meets the matching requirement after planning or not. The module takes a single facility as an evaluation object; the phenomenon that the capacity of the drainage facility is insufficient due to the upstream and downstream connection relationship of the drainage facility is evaluated in other modules.
The module 3 is combined with the analysis result of the module 2 to eliminate the function deficiency of the single facility caused by structural defects, and analyze the influence of data such as flow, liquid level and the like of the upstream and downstream pipe networks of the drainage facility on the operation capacity of the drainage facility. The module can be combined with a drainage model to judge the matching relationship between the pipe network and the facility.
And the module 4 is combined with the results analyzed by the module 2 and the module 3 to evaluate the matching of the drainage system and the running capability of the system in dry days and rainy days. The user can set the number of the matching levels and the display forms of different levels, and the different levels are represented by icons with different sizes and colors and finally displayed in the map.
And the module 5 combines the analysis results of the module 2, the module 3 and the module 4, combines the unmatched positions with a planning target, and provides a new construction and reconstruction project scheme. In addition, the module also has the functions of manual input and decision modification, and can input the design scheme into the model to simulate and predict the influence of the implementation of the engineering scheme on the matching of the drainage system.
The module 6 combines the matching evaluation results of the module 2, the module 3 and the module 4, and adds a proposed engineering decision scheme of the module 5, and reasonably sets an optimized scheduling rule by optimizing the water inlet and drainage rules of the drainage facility with the functions of regulation and purification and fully utilizing the on-line regulation and storage space of the conditional pipeline.
And the module 7 predicts the system matching result after the engineering scheme/the optimized scheduling scheme is completed according to the results analyzed by the modules 5 and 6 and by combining the existing data input by the module 1. In addition, the module user can manually modify and combine the automatically updated monitoring data according to the updating condition of the drainage system facilities to carry out continuous evaluation on the matching.
The specific implementation process of the platform of the invention is as follows: the method comprises the steps of importing standardized established/to-be-established drainage facility basic data and shp data of water systems, traffic, buildings and other basic facilities into a system, adding information such as facility operation records, process data, flow monitoring data, water quality detection data of water bodies, population density, facility planning targets and the like into attribute tables of respective layers, and checking and updating the data. And during the matching evaluation, the single body, the facility and the three-stage matching evaluation module of the system can call the data recorded by the digital processing module to carry out the matching evaluation. The monomer matching evaluation can screen out the facilities with structural defects of the existing facilities and difference between the existing operation capacity and the planning target. The matching performance between facilities is the evaluation of the drainage facilities with the functions of regulation, purification and lifting and the upstream and downstream connecting pipelines, and the module can select a mathematical model with the Saint-Vinan equation to simulate and calculate the hydrodynamic running state between the facilities. The system matching is to research the matching between each functional facility and the tail end water body, and for the places where the system is not matched, an optimized scheduling module can be called to optimize the processing capacity of the drainage system by adjusting the control rules among the facilities. And calling an engineering decision module to give engineering scheme suggestions for the unmatched facilities/plots analyzed by the single units, the facilities and the system module. And finally, after the matching evaluation of the drainage system is completed, the evaluation module can perform the updating and modification of drainage facilities and the simulation and prediction of an engineering scheme and an optimized scheduling scheme after the matching, and can also continuously update the matching result of the drainage system according to continuously updated monitoring data and manually modified newly-built engineering contents.
In summary, the invention provides a method and a platform for evaluating the matching performance of a drainage system, which enable a user to carry out standardized and digitalized management on basic data, monitoring data and detection data of drainage facilities and water bodies, utilize related data to carry out matching performance evaluation on the running state of the drainage system, find out the phenomena of mismatching of individual facilities caused by damage of the facilities and mismatching of facilities and systems caused by vertical connection and unreasonable control rules among the facilities, and make a drainage facility engineering scheme decision and optimize scheduling analysis. The drainage facility repair, maintenance and replacement work of related workers is pertinently carried out, managers are helped to scientifically and effectively make project plans to be built, the use efficiency of the facilities is improved, and the project construction cost is reasonably distributed.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended 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 (12)
1. A method for evaluating the matching performance of a drainage system is characterized by comprising the following steps: the method comprises the following steps:
step 1: collecting the data of the drainage system;
step 2: establishing a multi-stage matching evaluation index system;
and step 3: a monomer facility matching evaluation and modification scheme;
and 4, step 4: a scheme for evaluating and modifying the matching among drainage facilities;
and 5: evaluating the system matching performance;
step 6: making an engineering scheme and an optimized scheduling scheme;
and 7: and evaluating after matching.
2. The drainage system suitability evaluation method according to claim 1, wherein: the step 1 of collecting the data of the drainage system comprises the established engineering, design scheme, planning target, monitoring result and operation record data of a sewage treatment plant, a pipe network, a storage/purification facility, a terminal water body and the whole system.
3. The drainage system suitability evaluation method according to claim 1, wherein: and 2, the multi-stage matching evaluation index system comprises a sewage treatment plant, a pipe network, a storage/purification facility, a tail end water body and a planning construction target of the whole system.
4. The drainage system suitability evaluation method according to claim 1, wherein: 3, evaluating the matching of the single facilities, namely evaluating the matching of the drainage system single facilities by applying the index system established in the step 2, and providing a primary transformation scheme for unmatched places by analyzing structural defects of the established facilities and functional insufficiency compared with a planning target; the unit facility matching property comprises pipe network capacity, pump station drainage capacity, storage/purification facility capacity and sewage treatment plant capacity.
5. The drainage system suitability evaluation method according to claim 1, wherein: the step 4 of evaluating the matching among facilities is to evaluate the matching between the drainage facilities with functions of regulation, purification and promotion and the pipelines by applying the index system established in the step 2, and to propose an engineering scheme for unmatched places according to the evaluation result of the matching among the drainage facilities so as to improve the matching among the facilities; the evaluation content of the matching among the drainage facilities comprises the matching between the sewage treatment plant and an upstream pipe network, the matching between the storage/purification facility and an upstream pipe network and a downstream pipe network, the matching between the pump station and the upstream pipe network and the downstream pipe network, and the matching between the transfer pump station and the downstream pump station.
6. The drainage system suitability evaluation method according to claim 1, wherein: the step 5 of evaluating the matching performance of the drainage system comprises the matching performance of a factory-pool-station-network system and the matching performance of the drainage system and the water environment of a terminal water body, wherein the matching performance of the factory-pool-station-network system comprises whether the dry-weather collection and treatment capacity in the system is matched with the sewage quantity generated by the system, the matching performance of the maximum collection/regulation and storage of the rainwater and sewage quantity received by the treatment facility in rainy days and the CSO control target in rainy days, different running modes and effluent water quality standards of the sewage plant in dry seasons and rainy seasons, different overflowing capacity and treatment capacity, the matching performance of the discharge standard, the matching performance of the regulation and storage facility, the emptying period and interval and the off-peak receiving capacity of the downstream sewage plant, the source, midway and the discharge controllable flow of different rainfall types, and the matching performance of the drainage facility and the water environment of the receiving water body comprises the relation of different discharge ports and the water level of the receiving water body, Whether a backward flow or a jacking effect exists, the matching property of CSO overflow and the bearing capacity of the water environment of the receiving water body, the matching property of sewage treatment facility discharge and the water environment, the matching property of rainwater pipe network discharge and the water environment, and the matching property of pollutant discharge of a drainage system and the bearing capacity of the water environment of the receiving water body.
7. The drainage system suitability evaluation method according to claim 1, wherein: and 6, establishing an engineering scheme according to the matching evaluation results of the monomers, facilities and the system in the steps 3, 4 and 5 to find out the bottleneck of the system, and establishing an optimized scheduling scheme by optimizing a control rule of the drainage facility so as to enable the drainage facility to achieve the purpose of relieving urban waterlogging and CSO overflow caused by rainfall.
8. The drainage system suitability evaluation method according to claim 4, wherein: the pipe network capacity comprises a large pipe sleeve, a small pipe sleeve, a reverse slope, pipe network inflow and seepage flow, whether the pipe network drainage capacity meets the design and planning requirements or not, and the matching performance of the rainwater receiving capacity and the runoff quantity of the rainwater grate; the drainage capacity of the pump station is whether the drainage capacity of the pump station meets the current situation and the planning requirement, the capacity of the storage regulation/purification facility comprises whether the water storage scale meets the current situation and the planning requirement, whether the water inlet and outlet rules of the storage regulation pool are reasonable, and whether the purification treatment capacity meets the design requirement, the capacity of the sewage plant comprises the water quality standard reaching situation of inlet and outlet water in dry days, the sewage collection range and the collection rate, the combined system area, whether the treatment capacity except the maximum variation coefficient exists in rainy days, and the dry season/rainy season switching capacity of a treatment process pipeline.
9. The drainage system suitability evaluation method according to claim 5, wherein: the matching performance of the sewage treatment plant and the upstream pipe network comprises the matching performance of the maximum treatment capacity of the effluent quality of the sewage treatment plant which reaches the standard on the dry day and the maximum conveying capacity of the upstream pipe network on the dry day, the matching performance of the effluent quality of the sewage treatment plant which meets the emission standard on the rainy day and the maximum conveying capacity of the upstream pipe network on the rainy day, the matching performance of the storage/purification facility and the upstream pipe network comprises the matching performance of the storage facility water storage capacity and the upstream pipe network conveying capacity, the matching performance of the storage facility emptying capacity and the downstream pipe network drainage capacity, the matching performance of the purification facility purification capacity and the upstream pipe network conveying capacity, and the matching performance of the purification facility purification and drainage capacity and the emptying time, the matching performance of the pump station and the upstream pipe network comprises whether the pumping capacity of the received rainwater, sewage and rainwater and sewage mixed water is matched with the peak water quantity requirement of the sewage, rainwater and rainwater mixed water collected on the upstream, the matching performance of the downstream pipe network conveying capacity and the pump station drainage peak value drainage capacity and the matching performance of the water pump control rule and the upstream pipe network water inflow quantity are achieved, and the matching performance of the transfer pump station and the downstream pump station comprises the matching performance of the pump station with the transfer function and the downstream pump station capacity.
10. The drainage system suitability evaluation method according to claim 8, wherein: the method for evaluating whether the water quality of the dry-day effluent of the sewage plant meets the requirement is to judge whether the standard reaching rate of the tail water quality of the sewage plant meets the design requirement, and the method for evaluating whether the water intake capacity of the dry-day water plant meets the current situation and the planning requirement is to judge whether the water receiving range, the treatment capacity and the water intake pollutant concentration of the sewage plant meet the design and planning requirements, and the method for evaluating whether the treatment capacity except the maximum variation coefficient exists in rainy days in a combined system area is to monitor the treatment process and the water inlet and outlet amount of the sewage plant.
11. The drainage system suitability evaluation method according to claim 9, wherein: the method for evaluating the matching performance of the standard-reaching maximum treatment capacity of the effluent quality of the sewage plant in the dry day and the maximum conveying capacity of the upstream pipe network in the dry day is characterized in that the flow monitoring data of the main pipe network in the dry day is matched with the treatment capacity of the sewage plant, and a model means can be adopted for auxiliary analysis in a region with part of unmatched flow.
12. A platform of the drainage system matching evaluation method according to claim 1, wherein: the system is established based on a Geographic Information System (GIS), and provides functions of management, browsing, query, spatial analysis and matching evaluation of multi-source data related to drainage facilities, wherein the multi-source data comprises the drainage facilities, basic data of an underlying surface of a city, data updated regularly/in real time in monitoring/detection and a planning target of a drainage system, and comprises the following modules:
module 1: a data digital processing module;
and (3) module 2: a monomer facility matching evaluation module;
and a module 3: an inter-facility matching evaluation module;
and (4) module: a system matching evaluation module;
and a module 5: an engineering scheme decision module;
and a module 6: an optimized scheduling analysis module;
and a module 7: and a matching post-evaluation module.
The module 1 is used for carrying out digital processing on data in various formats generated by various data sources according to different structures and fields, and carrying out unified classification management on the data, so that a user can check and update the data; after the basic city information, data and matching evaluation indexes are put in storage, the module 2 analyzes attribute data, monitoring data and environmental data of different types and records whether the current operation condition of the single facility meets the design requirement or not, and compares the current operation condition with a planning target to evaluate whether the function of the current single facility meets the matching requirement after planning or not, and the module takes the single facility as an evaluation object; the module 3 is combined with the analysis result of the module 2 to eliminate the function deficiency of the single facility caused by structural defects, and analyze the influence of data such as flow, liquid level and the like of an upstream pipe network and a downstream pipe network of the drainage facility on the operation capacity of the drainage facility; the module 4 is combined with the results analyzed by the module 2 and the module 3 to evaluate the matching of the drainage system and the running capability of the system in dry days and rainy days; the module 5 combines the analysis results of the module 2, the module 3 and the module 4, combines the unmatched positions with a planning target, and provides a new construction and reconstruction project scheme; the module 6 combines the matching evaluation results of the module 2, the module 3 and the module 4, and overlaps the proposed project decision scheme of the module 5, and reasonably sets an optimized scheduling rule by optimizing the water inlet and drainage rules of the drainage facility with the functions of storage regulation and purification and fully utilizing the on-line storage regulation space of the conditional pipeline; and the module 7 predicts the system matching result after the engineering scheme/the optimized scheduling scheme is completed according to the results analyzed by the modules 5 and 6 and by combining the existing data input by the module 1.
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