Method and device for determining secondary water supply facilities

Abstract

The present invention discloses a method for determining a secondary water supply facility, comprising: determining the floor area of ​​the secondary water supply facility based on reserved space information; determining the secondary water supply form based on water supply parameters, wherein the water supply parameters include municipal water pressure, user water use concentration, and existing pipeline availability; determining the water tank volume and water pump performance parameters based on the floor area of ​​the secondary water supply facility and the secondary water supply form; determining the pipeline parameters of the secondary water supply facility based on the water tank volume and the water pump performance parameters, and reasonably determining the specific form and parameters of the secondary water supply through water supply parameters such as municipal water pressure and municipal water consumption, thereby improving the effectiveness and pertinence of the secondary water supply transformation.

Description

Technical Field

[0001] The present invention relates to the field of municipal water supply and drainage, and in particular to a method and device for determining secondary water supply facilities. Background Art

[0002] With the development of urbanization and changes in the water environment, secondary water supply has gradually become a weak link in urban water supply. From 2015 to 2016, the country issued a series of policy documents to improve the construction and management of secondary water supply facilities for urban residents, requiring a clear understanding of the secondary water supply situation and the development of a suitable transformation plan. However, currently, most domestic research on secondary water supply status is done manually through paper-based water supply status survey forms, lacking unified standards and methods. Furthermore, the compilation, statistics, and analysis of research information require manual work, which is too cumbersome. Furthermore, research results and report data are difficult to quantify and analyze, and there is a lack of relevant supporting materials.

[0003] Therefore, there is an urgent need for an improved method and device for determining secondary water supply facilities, which can reasonably determine the specific form and parameters of secondary water supply through water supply parameters such as municipal water pressure and municipal water consumption, and improve the effectiveness and pertinence of secondary water supply transformation. Summary of the Invention

[0004] The present invention aims to provide a method and device for determining secondary water supply facilities, which can solve the above technical problems.

[0005] According to one aspect of the present invention, a method for determining a secondary water supply facility is provided, comprising: determining the floor area of ​​the secondary water supply facility based on reserved space information; determining the secondary water supply form based on water supply parameters, wherein the water supply parameters include municipal water pressure, user water use concentration, and existing pipeline availability; determining the water tank volume and water pump performance parameters based on the floor area of ​​the secondary water supply facility and the secondary water supply form; and determining the pipeline parameters of the secondary water supply facility based on the water tank volume and the water pump performance parameters.

[0006] Preferably, the secondary water supply form is determined based on the water supply parameters, where the water supply parameters include municipal water pressure, user water use concentration and availability of existing pipelines, including: when the municipal water pressure is higher than 0.22MPa and the existing pipeline is available, the superimposed non-negative pressure water supply form is selected; when the municipal water pressure is higher than 0.22MPa and the existing pipeline is unavailable, the variable frequency water supply form is selected; when the municipal water pressure does not exceed 0.22MPa, the high-level water tank water supply form is selected.

[0007] Preferably, when the municipal water pressure is higher than 0.22MPa and existing pipelines need to be used, the superimposed non-negative pressure water supply form is selected, including: when the user's water concentration C is greater than 0.8, the box-type superimposed non-negative pressure water supply form is selected; when the user's water concentration C does not exceed 0.8, the tank-type superimposed non-negative pressure water supply form is selected. Among them, T s T is the starting time of the user’s daily water consumption peak, e is the end time of the user's daily water consumption peak, and T is the user's total daily water consumption period.

[0008] Preferably, the user's daily water consumption peak start time T is determined according to the following formula: s and the end time of the user's daily water consumption peak, T e : Among them, Q(T) is the function of the user's water flow rate changing with time T, T a The time when the user starts using water every day, T b The end time of the user’s daily water use, T = T b -T a .

[0009] Preferably, determining the water tank volume and water pump performance parameters based on the floor area of ​​the secondary water supply facility and the secondary water supply form includes: determining the water tank volume based on the floor area and water consumption during peak hours; determining the water pump performance parameters based on the secondary water supply form, wherein: when the box-type superimposed non-negative pressure water supply form or the high-level water tank water supply form is selected, the number of the water pumps is 1; when the variable frequency water supply form is selected, the number of the water pumps is 2-4.

[0010] Preferably, the pipeline parameters of the secondary water supply facility are determined based on the water storage capacity of the water tank and the performance parameters of the water pump, including: when the number of the water pump is 1, the design flow rate of the suction pipe set for the water pump is 0.8-1.2m / s; when the number of the water pump is 1, the design flow rate of the outlet pipe set for the water pump is 0.5-1.5m / s.

[0011] According to another aspect of the present invention, a device for determining a secondary water supply facility is provided, comprising: a first determination module for determining the floor area of ​​the secondary water supply facility based on reserved space information; a second determination module for determining the secondary water supply form based on water supply parameters, wherein the water supply parameters include municipal water pressure, user water use concentration, and existing pipeline conditions; a third determination module for determining the water tank volume and water pump performance parameters based on the maximum floor area of ​​the secondary water supply facility and the secondary water supply form; and a fourth determination module for determining the pipeline parameters of the secondary water supply facility based on the water storage capacity of the water tank and the water pump performance parameters.

[0012] Preferably, it further comprises: an input module for inputting the water supply information of the community to be renovated into the secondary water supply determination device.

[0013] Preferably, it also includes: a classification module, connected to the input module, for classifying the water supply information into the reserved space information and the water supply parameter; a first transmission module, connected to the classification, for transmitting the reserved space information to the first determination module; and a second transmission module, connected to the classification, for transmitting the water supply parameter to the second determination module.

[0014] The present invention discloses a method for determining a secondary water supply facility, comprising: determining the floor area of ​​the secondary water supply facility based on reserved space information; determining the secondary water supply form based on water supply parameters, wherein the water supply parameters include municipal water pressure, user water use concentration, and existing pipeline availability; determining the water tank volume and water pump performance parameters based on the floor area of ​​the secondary water supply facility and the secondary water supply form; determining the pipeline parameters of the secondary water supply facility based on the water tank volume and the water pump performance parameters, and reasonably determining the specific form and parameters of the secondary water supply through water supply parameters such as municipal water pressure and municipal water consumption, thereby improving the effectiveness and pertinence of the secondary water supply transformation. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0016] Figure 1 A flow chart of a method and apparatus for determining a secondary water supply facility according to an embodiment of the present invention;

[0017] Figure 2 A diagram showing the structure of a method and device for determining secondary water supply facilities according to an embodiment of the present invention;

[0018] Figure 3 A schematic diagram of a working route of a method and device for determining secondary water supply facilities according to an embodiment of the present invention;

[0019] Figure 4 2 is a functional diagram of a method and device for determining secondary water supply facilities according to an embodiment of the present invention. DETAILED DESCRIPTION

[0020] It should be noted that, in the absence of conflict, the embodiments and features of the embodiments in this application can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0021] Reference will now be made in detail to various embodiments of the present invention, examples of which are illustrated in the accompanying drawings and described below. For ease of interpretation and precise definition in the appended claims, the terms "upper," "lower," "inner," and "outer" are used to describe features of the exemplary embodiments with reference to their positions as shown in the drawings.

[0022] Figure 1 A flow chart of a method and apparatus for determining a secondary water supply facility according to an embodiment of the present invention is shown. Figure 1 As shown, an embodiment of the present invention provides a method for determining a secondary water supply facility, including: determining the floor area of ​​the secondary water supply facility based on reserved space information; determining the secondary water supply form based on water supply parameters, wherein the water supply parameters include municipal water pressure, user water use concentration, and existing pipeline availability; determining the water tank volume and water pump performance parameters based on the floor area of ​​the secondary water supply facility and the secondary water supply form; and determining the pipeline parameters of the secondary water supply facility based on the water tank volume and the water pump performance parameters.

[0023] In the related art, most secondary water supply renovation solutions rely on manually completing paper-based water supply status survey forms. These lack unified standards and methods, making survey results or report data difficult to quantify and analyze, and lacking supporting documentation. The present invention provides a method for determining secondary water supply facilities. This method uses water supply parameters such as municipal water pressure and municipal water consumption to rationally determine the specific form and parameters of secondary water supply, thereby improving the effectiveness and targeted nature of secondary water supply renovations.

[0024] According to an embodiment of the present invention, the secondary water supply form is determined based on the water supply parameters, where the water supply parameters include municipal water pressure, user water consumption concentration, and the availability of existing pipelines. When the municipal water pressure is higher than 0.22 MPa and the existing pipeline is available, the superimposed non-negative pressure water supply form is selected; when the municipal water pressure is higher than 0.22 MPa and the existing pipeline is unavailable, the variable frequency water supply form is selected; when the municipal water pressure does not exceed 0.22 MPa, the high-level water tank water supply form is selected.

[0025] According to an embodiment of the present invention, when the municipal water pressure is higher than 0.22MPa and existing pipelines need to be used, the superimposed non-negative pressure water supply form is selected, including: when the user's water concentration C is greater than 0.8, the box-type superimposed non-negative pressure water supply form is selected; when the user's water concentration C does not exceed 0.8, the tank-type superimposed non-negative pressure water supply form is selected. Among them, T s T is the starting time of the user’s daily water consumption peak, e is the end time of the user's daily water consumption peak, and T is the user's total daily water consumption period.

[0026] According to an embodiment of the present invention, the user's daily water consumption peak start time T is determined according to the following formula:s and the end time of the user's daily water consumption peak, T e :

[0027] Among them, Q(T) is the function of the user's water flow rate changing with time T, T a The time when the user starts using water every day, T b The end time of the user’s daily water use, T = T b -T a .

[0028] In related technologies, whether water use is concentrated or not is generally classified empirically, but this can lead to large errors. The embodiments of the present invention provide a formula for determining water use concentration, which can effectively classify users with high and low water use concentration, facilitating further selection of water supply methods.

[0029] According to an embodiment of the present invention, determining the water tank volume and water pump performance parameters based on the floor area of ​​the secondary water supply facility and the secondary water supply form includes: determining the water tank volume based on the floor area and water consumption during peak hours; determining the water pump performance parameters based on the secondary water supply form, wherein: when the box-type superimposed non-negative pressure water supply form or the high-level water tank water supply form is selected, the number of the water pumps is 1; when the variable frequency water supply form is selected, the number of the water pumps is 2-4.

[0030] According to an embodiment of the present invention, based on the water storage capacity of the water tank and the performance parameters of the water pump, the pipeline parameters of the secondary water supply facility are determined, including: when the number of the water pump is 1, the design flow rate of the suction pipe set for the water pump is 0.8-1.2m / s; when the number of the water pump is 1, the design flow rate of the outlet pipe set for the water pump is 0.5-1.5m / s.

[0031] Figure 2-Figure 4 A device composition diagram, a working route diagram and a device function diagram of a method and device for determining a secondary water supply facility according to an embodiment of the present invention are shown. As shown in the figure, another embodiment of the present invention provides a device for determining a secondary water supply facility, including: a first determination module for determining the floor area of ​​the secondary water supply facility based on reserved space information; a second determination module for determining the secondary water supply form based on water supply parameters, wherein the water supply parameters include municipal water pressure, user water use concentration and existing pipeline conditions; a third determination module for determining the water tank volume and water pump performance parameters based on the maximum floor area of ​​the secondary water supply facility and the secondary water supply form; and a fourth determination module for determining the pipeline parameters of the secondary water supply facility based on the water storage capacity of the water tank and the water pump performance parameters.

[0032] According to an embodiment of the present invention, the method further includes: an input module for inputting water supply information of the community to be renovated into the secondary water supply determination device.

[0033] According to an embodiment of the present invention, the system further includes: a classification module connected to the input module, configured to classify the water supply information into the reserved space information and the water supply parameter; a first transmission module connected to the classification module, configured to transmit the reserved space information to the first determination module; and a second transmission module connected to the classification module, configured to transmit the water supply parameter to the second determination module.

[0034] In addition, the device also includes the following functions:

[0035] (1) Researcher login management: Each researcher has a unique account and password for login, and is only affiliated with one research project. The researcher's research progress and content are stored in the device;

[0036] (2) Survey community management: Researchers can add a survey, select the survey area within the project and add the corresponding residential community to be surveyed. After adding, they can conduct a survey on the residential community, and other researchers will not be able to select the community for survey;

[0037] (3) Flexible configuration of research modules: Researchers can edit the research modules of their own research content, combine the "community", "pump room" and "equipment" of the research, and name them;

[0038] (4) Image management: Researchers can take photos of the environment and equipment during the research process, annotate relevant information, and automatically upload the photos to the platform;

[0039] (5) Survey form management: Project managers can browse the complete survey content of each survey area, and the content is classified and counted according to "area information", "pump room" and "equipment";

[0040] (6) Research report management: The statistical information of "community information", "pump room" and "equipment" is automatically generated into intuitive data analysis charts for various situations, which can be used in the final research report without the need to draw analysis charts again. "Community information" management includes whether there are pipe wells, whether there are floor drains in the pipe wells, statistics on the diameter of the pressurized pipes in the building, and the diameter of the pressurized pipes from the pump room to the building; "pump room information" statistics include the location of the pump room, whether it is an independent pump room, the safety of the pump room, the layout of the pressurized pipes, the decoration of the pump room, etc.; "equipment information" statistics include the time the equipment was put into operation, the water supply method of the equipment, the equipment manufacturer, the PLC brand and model, etc.

[0041] (7) Optimize and adjust the information of each research module. After the project manager enters the research project analysis, he can automatically generate a research report template based on the statistical information and pre-fill the relevant data information. The project manager can quickly produce a research analysis report after a simple modification.

[0042] (8) Achieve optimal selection of water supply methods through mathematical modeling.

[0043] The present invention has the following effects:

[0044] (1) Provide a quantitative method for selecting secondary water supply facilities to enhance the pertinence and rationality of secondary water supply renovation;

[0045] (2) The specific method of unified management of data collected by research projects and modular configuration of research requirements can maximize information utilization, realize full-process management of research projects, quickly generate research reports, reduce research costs, and ensure the accuracy of research results and analysis efficiency.

[0046] (3) The administrator can grasp the research situation in real time throughout the entire process, so that no research information is missed in the results of different research modules. Researchers can adjust the supplementary information modules in a timely manner and finally form standard transformation standards and plans.

[0047] The above embodiments are merely examples for the purpose of clearly illustrating the present invention and are not intended to limit the embodiments of the present invention. Those skilled in the art will appreciate that other variations or modifications may be made based on the following description. These variations, modifications, substitutions, and variations arising from the principles and spirit of the present invention are still within the scope of protection of the present invention.

Claims

1. A design method for a secondary water supply facility, characterized in that: include: Determine the floor space of secondary water supply facilities based on the reserved space information; The user water concentration C is determined according to the following formula, where T s T is the starting time of the user’s daily water consumption peak, e is the end time of the user's daily water consumption peak, and T is the total water consumption period of the user's daily water consumption; Determine the secondary water supply form based on the municipal water pressure, the user water concentration and the availability of existing pipelines. When the municipal water pressure is higher than 0.22 MPa and the existing pipeline is available, the superimposed non-negative pressure water supply form is selected. When the municipal water pressure is higher than 0.22 MPa and the existing pipeline is not available, the variable frequency water supply form is selected. When the municipal water pressure does not exceed 0.22 MPa, the high-level water tank water supply form is selected. Among them, when the municipal water pressure is higher than 0.22MPa and the existing pipeline needs to be used, the superimposed non-negative pressure water supply mode is selected, including: when the user water concentration C is greater than 0.8, the box-type superimposed non-negative pressure water supply mode is selected; when the user water concentration C does not exceed 0.8, the tank-type superimposed non-negative pressure water supply mode is selected; Determine the water tank capacity and water pump performance parameters based on the floor area of ​​the secondary water supply facility and the secondary water supply form; The pipeline parameters of the secondary water supply facility are determined based on the water tank volume and the water pump performance parameters.

2. The design method according to claim 1, characterized in that: Determine the user's daily water consumption peak start time T according to the following formula s and the end time of the user's daily water consumption peak T e : Among them, Q(T) is the function of the user's water flow rate changing with time T, T a The time when the user starts using water every day, T b The end time of the user’s daily water use, T = T b -T a .

3. The design method according to claim 2, characterized in that: Determining the water tank capacity and water pump performance parameters based on the floor area of ​​the secondary water supply facility and the secondary water supply form includes: Determine the capacity of the water tank based on the floor area and water consumption during peak hours; According to the secondary water supply form, the water pump performance parameters are determined, wherein: When choosing box-type superimposed non-negative pressure water supply or high-level water tank water supply When , the number of the water pump is 1; When variable frequency water supply is selected, the number of water pumps is 2-4.

4. The design method according to claim 3, characterized in that: Determining the pipeline parameters of the secondary water supply facility based on the water storage capacity of the water tank and the performance parameters of the water pump includes: When the number of the water pump is 1, the design flow rate of the water suction pipe provided with the water pump is 0.8-1.2 m / s; When the number of the water pump is one, the design flow rate of the water outlet pipe of the water pump is 0.5-1.5 m / s.

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