Method and device for determining secondary water supply facility

Abstract

The invention discloses a secondary water supply facility determination method, which comprises the following steps: determining the occupied area of a secondary water supply facility according to reserved space information; according to water supply parameters, a secondary water supply form is determined, and the water supply parameters comprise municipal water pressure, user water use concentration ratio and existing pipeline availability; according to the occupied area of the secondary water supply facility and the secondary water supply form, determining the volume of a water tank and performance parameters of a water pump; the pipeline parameters of the secondary water supply facility are determined according to the volume of the water tank and the performance parameters of the water pump, the specific form and parameters of secondary water supply are reasonably determined through water supply parameters such as municipal water pressure and municipal water consumption, and the effectiveness and pertinence of secondary water supply transformation are improved.

Description

Technical Field

[0001] The 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 state successively issued policy documents to improve the construction and management of secondary water supply facilities for urban residents, requiring a clear understanding of the basic situation of secondary water supply and the formulation of a transformation route suitable for them. However, in China, most of the current surveys on the basic data of secondary water supply are done by manually filling out paper water supply status survey forms, lacking unified standards and methods; and the summary, statistics and analysis of survey information require manual operation by personnel, which is too cumbersome; the survey results or 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, so as to 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-mentioned 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 a 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; determining pipeline parameters of the secondary water supply facility based on the water tank capacity and the water pump performance parameters.

[0006] Preferably, the secondary water supply form is determined according to the water supply parameters, wherein the water supply parameters include the municipal water pressure, the user water use concentration and the 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 not available, 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 T is the user’s daily water use start time. 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 according to the floor area of ​​the secondary water supply facility and the secondary water supply form includes: determining the water tank volume according to the floor area and water consumption during peak hours; determining the water pump performance parameters according to the secondary water supply form, wherein: when the box-type stacked non-negative pressure water supply form or the high-level water tank water supply form is selected, the number of the water pump is 1; when the variable frequency water supply form is selected, the number of the water pump 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 water suction pipe provided 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 water outlet pipe provided 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, used to determine the floor area of ​​the secondary water supply facility based on reserved space information; a second determination module, used to determine 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, used to determine 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, used to determine 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 also includes: an input module, used to input the water supply information of the community to be transformed into the secondary water supply determination device.

[0013] Preferably, it also includes: a classification module, connected to the input module, used to classify the water supply information into the reserved space information and the water supply parameter; a first transmission module, connected to the classification, used to transmit the reserved space information to the first determination module; a second transmission module, connected to the classification, used to transmit 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 according to reserved space information; determining the secondary water supply form according to water supply parameters, wherein the water supply parameters include municipal water pressure, user water use concentration, and existing pipeline availability; determining a water tank volume and water pump performance parameters according to the floor area of ​​the secondary water supply facility and the secondary water supply form; determining pipeline parameters of the secondary water supply facility according to 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 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 method flow chart of a method and device for determining a secondary water supply facility according to an embodiment of the present invention;

[0017] Figure 2 A device configuration diagram of a method and device for determining a secondary water supply facility 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 The figure 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 in the embodiments of the present 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 shown 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 shown in the drawings with reference to their positions.

[0022] Figure 1 A method flow chart of a method and device 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 a 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 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 of the solutions for secondary water supply transformation are manually filled out by paper water supply status survey forms, which lack unified standards and methods, and the survey results or report data are difficult to quantify and analyze, and lack relevant supporting materials. The present invention provides a method for determining secondary water supply facilities, which reasonably determines the specific form and parameters of secondary water supply through water supply parameters such as municipal water pressure and municipal water consumption, thereby improving the effectiveness and pertinence of secondary water supply transformation.

[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 use concentration and existing pipeline availability, 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 not available, 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.

[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, a box-type superimposed non-negative pressure water supply form is selected; when the user's water concentration C does not exceed 0.8, a 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 : Among them, Q(T) is the function of the user's water flow rate changing with time T, T a T is the user’s daily water use start time. b The end time of the user’s daily water use, T = T b -T a .

[0027] In the related art, whether water use is concentrated or not is generally classified empirically, but the error is large. The embodiment of the present invention can effectively classify users with high water use concentration and users with low water use concentration by providing a water use concentration determination formula, so as to facilitate further selection of water supply form.

[0028] 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 a box-type stacked non-negative pressure water supply form or a high-level water tank water supply form is selected, the number of the water pump is 1; when a variable frequency water supply form is selected, the number of the water pump is 2-4.

[0029] 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 water suction pipe provided 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 water outlet pipe provided for the water pump is 0.5-1.5m / s.

[0030] Figure 2-Figure 4 A device composition diagram, a working route schematic diagram and a device function schematic 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, used to determine the floor area of ​​the secondary water supply facility according to reserved space information; a second determination module, used to determine the secondary water supply form according to water supply parameters, wherein the water supply parameters include municipal water pressure, user water use concentration and existing pipeline conditions; a third determination module, used to determine the water tank volume and water pump performance parameters according to the maximum floor area of ​​the secondary water supply facility and the secondary water supply form; a fourth determination module, used to determine the pipeline parameters of the secondary water supply facility according to the water storage capacity of the water tank and the water pump performance parameters.

[0031] According to an embodiment of the present invention, it also includes: an input module, which is used to input the water supply information of the community to be transformed into the secondary water supply determination device.

[0032] According to an embodiment of the present invention, it also includes: a classification module, connected to the input module, used to classify the water supply information into the reserved space information and the water supply parameter; a first transmission module, connected to the classification, used to transmit the reserved space information to the first determination module; a second transmission module, connected to the classification, used to transmit the water supply parameter to the second determination module.

[0033] In addition, the device also includes the following functions:

[0034] (1) Researcher login management: Each researcher has a unique account and password for logging in, and belongs to only one research project. The research progress and content of the researcher are saved in the device;

[0035] (2) Survey community management: Surveyors can add surveys, select the survey area within the project and add the corresponding residential community to be surveyed. After adding, they can conduct surveys in the residential community. Other surveyors will not be able to select the community for survey;

[0036] (3) Flexible configuration of research modules: Researchers can edit the research modules of the research content by themselves, combine the "community", "pump room" and "equipment" of the research by themselves, and name them;

[0037] (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;

[0038] (5) Survey sheet management: Project managers can browse the complete survey content of each surveyed community, and the content is classified and counted according to "community information", "pump room" and "equipment";

[0039] (6) Research report management: The statistical information of "community information", "pump room" and "equipment" automatically generates intuitive data analysis charts for various situations, which can be used in the final research report without drawing analysis charts again. "Community information" management includes whether there is a pipe well, whether there is a floor drain in the pipe well, the diameter of the pressurized pipe in the building, and the diameter of the pressurized pipe 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 security of the pump room, the layout of the pressurized pipe, the decoration of the pump room, etc.; "equipment information" statistics include the time when the equipment was put into operation, the water supply method of the equipment, the equipment manufacturer, the PLC brand and model, etc.

[0040] (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.

[0041] (8) The optimal water supply method can be selected through mathematical modeling.

[0042] The present invention has the following effects:

[0043] (1) Provide a quantitative method for selecting secondary water supply facilities to enhance the pertinence and rationality of secondary water supply transformation;

[0044] (2) The specific method of uniformly managing the data collected by the research project and modularly configuring the research requirements can maximize the utilization of information, realize the full process control of the research project, quickly generate research reports, reduce research costs, and ensure the accuracy of research results and analysis efficiency.

[0045] (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.

[0046] The above embodiments are only examples for clearly explaining the present invention, and are not intended to limit the embodiments of the present invention. For those skilled in the art, other different forms of changes or modifications may be made based on the following description, and these various changes, modifications, substitutions and deformations derived from the principles and spirit of the present invention still fall 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 the secondary water supply facility based on the 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 concentration, and existing pipeline availability; Determine the water tank capacity and water pump performance parameters according to 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 according to the water tank volume and the water pump performance parameters.

2. The design method according to claim 1, characterized in that: The secondary water supply form is determined based on water supply parameters, including municipal water pressure, user water concentration, and existing pipeline availability, including: When the municipal water pressure is higher than 0.22MPa and the existing pipeline is available, the superimposed non-negative pressure water supply mode is selected; When the municipal water pressure is higher than 0.22MPa and the existing pipeline is unavailable, the variable frequency water supply mode is selected; When the municipal water pressure does not exceed 0.22MPa, a high-level water tank water supply should be used.

3. The design method according to claim 2, characterized in that: When the municipal water pressure is higher than 0.22MPa and existing pipelines need to be used, the superimposed non-negative pressure water supply forms include: 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.

4. The determination method according to claim 3, characterized in that: The user water use concentration C is determined according to the following formula: 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.

5. The design method according to claim 4, 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 T is the user’s daily water use start time. b The end time of the user’s daily water use, T = T b -T a .

6. The design method according to claim 5, characterized in that: According to the floor area of ​​the secondary water supply facility and the secondary water supply form, the water tank capacity and water pump performance parameters are determined including: Determine the capacity of the water tank according to 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-position water tank water supply When , the number of the water pump is 1; When variable frequency water supply is used, the number of water pumps is 2-4.

7. The design method according to claim 6, characterized in that: Determining the pipeline parameters of the secondary water supply facility according to 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 1, the design flow rate of the water outlet pipe of the water pump is 0.5-1.5m / s.

8. A design device for a secondary water supply facility, characterized in that: include: A first determination module is used to determine the floor area of ​​the secondary water supply facility according to the reserved space information; A second determination module is used to determine the secondary water supply form according to water supply parameters, wherein the water supply parameters include municipal water pressure, user water concentration and existing pipeline conditions; A third determination module is used to determine the water tank capacity and water pump performance parameters according to the maximum floor area of ​​the secondary water supply facility and the secondary water supply form; The fourth determination module is used to determine the pipeline parameters of the secondary water supply facility according to the water storage capacity of the water tank and the performance parameters of the water pump.

9. The design device according to claim 8, characterized in that Also includes: The input module is used to input the water supply information of the community to be transformed into the secondary water supply determination device.

10. The design device according to claim 9, characterized in that 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, and configured to transmit the reserved space information to a first determination module; The second transmission module is connected to the classification module and is used to transmit the water supply parameter to the second determination module.

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