WO2023024232A1 - 一种市政管道末端放水控制装置 - Google Patents

一种市政管道末端放水控制装置 Download PDF

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Publication number
WO2023024232A1
WO2023024232A1 PCT/CN2021/124623 CN2021124623W WO2023024232A1 WO 2023024232 A1 WO2023024232 A1 WO 2023024232A1 CN 2021124623 W CN2021124623 W CN 2021124623W WO 2023024232 A1 WO2023024232 A1 WO 2023024232A1
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Prior art keywords
water
water discharge
control device
municipal
automatic control
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PCT/CN2021/124623
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English (en)
French (fr)
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赵欣
杨坤
朱斌
朱文滨
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上海城市水资源开发利用国家工程中心有限公司
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Publication of WO2023024232A1 publication Critical patent/WO2023024232A1/zh

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    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03BINSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B7/00Water main or service pipe systems
    • E03B7/006Arrangements or methods for cleaning or refurbishing water conduits

Definitions

  • the patent of the present invention relates to the technical field of pipeline operation, in particular to a water discharge control device at the end of a municipal pipeline.
  • the inner wall of the pipeline will form deposits under the combined action of physics, chemistry and microorganisms, resulting in water quality risks such as high turbidity of water supply and substandard microbial indicators.
  • the scale of the transmission and distribution pipe network in the urban municipal water supply system has continued to expand.
  • the long water supply pipe network leads to low water flow rate and reduced residual chlorine; on the other hand, at the end of the urban municipal water supply pipe, due to long-term water stagnation, water quality problems such as water yellowing and water mixing occur, resulting in complaints from users.
  • the flow rate of the municipal water supply pipeline can be increased and the overall water quality risk of the urban municipal water supply network can be reduced.
  • the method of discharging water at the end of municipal pipelines is a cleaning method for daily operation and maintenance of urban water supply pipelines.
  • the common operation method of discharging water at the end is that the operator directly opens the fire water to discharge water, and manually takes samples at regular intervals to test the turbidity of the water samples. After the turbidity reaches the standard Stop releasing water, this method is inefficient, causes a large amount of tap water to be wasted. Therefore, it is necessary to propose an inventive device for precise control aiming at the water discharge method at the end of the municipal water supply pipeline.
  • the present invention provides a water discharge control device at the end of municipal pipelines, which realizes automatic control and records changes in parameters such as turbidity, flow rate, and time during the process of flushing and discharging water at the end of municipal water supply pipelines, and is used for refinement.
  • a water discharge control device at the end of municipal pipelines, which realizes automatic control and records changes in parameters such as turbidity, flow rate, and time during the process of flushing and discharging water at the end of municipal water supply pipelines, and is used for refinement.
  • Manage the water discharge process at the end of the municipal pipeline save the amount of water discharge, improve the efficiency of water discharge, and improve the water quality of the water supply pipeline.
  • the patent of the present invention proposes a water discharge control device at the end of municipal pipelines, including:
  • a turbidity sensor is installed on the main pipe; the solenoid valve, the turbidity sensor and the electromagnetic flowmeter are all connected to the PLC automatic control system; the end of the main pipe is connected to a drain pipe to discharge water into the drain .
  • the solenoid valve, the main pipe and the electromagnetic flowmeter are all mounted on a base.
  • four wheels are installed on the lower part of the base, which can be fixed and move freely.
  • the solenoid valve is controlled by a PLC automatic control system to control the opening and closing of the valve.
  • the measurement range of the turbidity sensor is 0-4000 NTU, and the turbidity of the water body is monitored online through the PLC automatic control system, and the turbidity data is recorded.
  • the PLC automatic control system automatically records the start and stagnation time of water discharge at the end of the pipeline for analyzing the water discharge process at the end of the pipeline.
  • the electromagnetic flowmeter monitors instantaneous flow and cumulative flow online through the PLC automatic control system, and records flow data.
  • the PLC automatic control system is connected with solenoid valves, turbidity sensors, and electromagnetic flowmeters, and can also be connected with sensors such as temperature, pressure, conductivity, and residual chlorine to realize online monitoring of water quality and control effects.
  • the present invention has following advantage:
  • the present invention can automatically control the water discharge process at the end of the municipal pipeline, save the flushing water consumption, and the flushing effect is good and the flushing time is short.
  • the present invention can automatically control the water discharge process at the end of the municipal pipeline, optimize the flushing conditions at the end of the municipal water supply pipeline, and determine the optimal water discharge condition.
  • the present invention can perform online monitoring and data storage on the data in the municipal pipeline water discharge process, including the water discharge time, water turbidity during the water discharge process, the instantaneous flow of water discharge, and the accumulated flow, so as to facilitate data accumulation and data analysis;
  • the invention has the advantages of simple and convenient operation for discharging water at the end of the pipeline, accurate data recording and convenient popularization and application.
  • Fig. 1 is a schematic diagram of a water discharge control device at the end of a municipal pipeline according to the present invention.
  • FIG. 1 it is a schematic diagram of a water discharge control device at the end of a municipal pipeline according to the present invention.
  • a water discharge control device at the end of a municipal pipeline of the present invention comprises:
  • the turbidity sensor 4 is installed on the main pipe 6, which is connected by threads; the solenoid valve 3, the turbidity sensor 4 and the electromagnetic flowmeter 7 are all connected with the PLC automatic control system 5, and the PLC automatic control system 5 is used for To control the opening and closing of the solenoid valve 3, online monitoring of turbidity and flow; the end of the main pipe 6 is connected to the drain pipe 10 to discharge water into the drain outlet, and the length of the drain pipe is customized according to the drainage requirements.
  • the electromagnetic valve 3 , the main pipe 6 and the electromagnetic flowmeter 7 are all mounted on a base 8 .
  • four wheels 9 are installed on the lower part of the base 8, which can be fixed and move freely.
  • the solenoid valve 3 is controlled by a PLC automatic control system 5 to control the opening and closing of the valve;
  • the measurement range of the turbidity sensor 4 is 0-4000 NTU, and the turbidity of the water body is monitored online through the PLC automatic control system 5, and the turbidity data is recorded.
  • the PLC automatic control system 5 automatically records the start and stagnation time of water discharge at the end of the pipeline for analyzing the water discharge process at the end of the pipeline.
  • the electromagnetic flowmeter 7 monitors the instantaneous flow and cumulative flow online through the PLC automatic control system 5, and records the flow data.
  • the PLC automatic control system 5 is connected with the solenoid valve 3, the turbidity sensor 4 and the electromagnetic flowmeter 7, and can also be connected with sensors such as temperature, pressure, conductivity and residual chlorine to realize online monitoring of water quality and control effect.
  • turbidity sensor uses the turbidity sensor to measure the turbidity, and display the turbidity of the water in the pipeline through the PLC automatic control system 5.
  • the stable turbidity meets the flushing requirements, generally when the turbidity of the water is 1 NTU, close the fire hydrant valve;
  • FIG. 1 it is a schematic diagram of a water discharge control device at the end of a municipal pipeline according to the present invention.
  • a water discharge control device at the end of a municipal pipeline of the present invention comprises:
  • the turbidity sensor 4 is installed on the main pipe 6, which is connected by threads; the solenoid valve 3, the turbidity sensor 4 and the electromagnetic flowmeter 7 are all connected with the PLC automatic control system 5, and the PLC automatic control system 5 is used for To control the opening and closing of the solenoid valve 3, online monitoring of turbidity and flow; the end of the main pipe 6 is connected to the drain pipe 10 to discharge water into the drain outlet, and the length of the drain pipe is customized according to the drainage requirements.
  • the electromagnetic valve 3 , the main pipe 6 and the electromagnetic flowmeter 7 are all mounted on a base 8 .
  • four wheels 9 are installed on the lower part of the base 8, which can be fixed and move freely.
  • the solenoid valve 3 is controlled by a PLC automatic control system 5 to control the opening and closing of the valve;
  • the measurement range of the turbidity sensor 4 is 0-4000 NTU, and the turbidity of the water body is monitored online through the PLC automatic control system 5, and the turbidity data is recorded.
  • the PLC automatic control system 5 automatically records the start and stagnation time of water discharge at the end of the pipeline for analyzing the water discharge process at the end of the pipeline.
  • the electromagnetic flowmeter 7 monitors the instantaneous flow and cumulative flow online through the PLC automatic control system 5, and records the flow data.
  • the PLC automatic control system 5 is connected with the solenoid valve 3, the turbidity sensor 4 and the electromagnetic flowmeter 7, and can also be connected with sensors such as temperature, pressure, conductivity and residual chlorine to realize online monitoring of water quality and control effect.
  • turbidity sensor uses the turbidity sensor to measure the turbidity, and display the turbidity of the water in the pipeline through the PLC automatic control system 5.
  • the stable turbidity meets the flushing requirements, generally when the turbidity of the water is 1 NTU, close the fire hydrant valve;
  • the present invention is a water discharge control device at the end of a municipal pipeline.
  • the solenoid valve is controlled by the PLC system, and the turbidity and flow of the water body are monitored and recorded online, so as to grasp the real-time situation of water discharge at the end of the pipeline, determine the best waterproof conditions, and save the amount of water released. Improve the quality of terminal water supply.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Cleaning In General (AREA)

Abstract

本发明涉及市政管道运行技术领域,尤其涉及一种市政管道末端放水控制装置,包括:依次连接的消火栓(1)、进水连接管(2)、电磁阀(3)、主管(6)、电磁流量计(7);所述主管(6)上安装有浊度传感器(4);所述电磁阀(3)、所述浊度传感器(4)和所述电磁流量计(7)均与PLC自控系统(5)连接;所述主管(6)末端与排水管(10)连接。本发明可以实现自动控制以及记录市政供水管道末端冲洗放水过程中浊度、流量、时间等参数变化,用于精细化管理市政管道末端放水过程,节省放水水量,提高放水效率,提高供水管道水质。

Description

一种市政管道末端放水控制装置 技术领域
本发明专利涉及管道运行技术领域,特别是涉及一种市政管道末端放水控制装置。
背景技术
市政供水管道内部滋生微生物,是供水系统水质薄弱环节。管道内壁在物理、化学和微生物共同作用下会形成沉积物,导致供水水质浊度高,微生物指标不达标等水质风险。随着城市化进程的不断推进,城市市政供水系统中输配管网规模不断扩大。一方面,供水管网长,导致水质流速低,余氯降低;另一方面,在城市市政供水管道末端,由于长时间水体不流动,出现水黄,水混等水质问题,导致用户端投诉。对于大规模的城市市政供水管网,通过在城市市政供水管网末端进行放水,放掉末端较差的水体,可以提高市政供水管道流速,降低城市市政供水管网整体水质风险。
技术问题
目前,在市政管道清洗方面,已有一些管道清洗方法包括气水脉冲,化学药剂清洗等方法,应用于局部管道内壁卫生条件较差的管道。市政管道末端放水方法是一种城市供水管道日常运维的清洗方法,常见的末端放水操作方法为操作人员直接打开消防水放水,每隔一段时间进行人工取样检测水样浊度,浊度达标后停止放水,该方法效率低,导致大量自来水浪费。因此,有必要针对市政供水管道末端放水方法,提出一种精准控制的发明装置。
技术解决方案
为克服上述现有技术存在的不足,本发明在于提供一种市政管道末端放水控制装置,实现自动控制以及记录市政供水管道末端冲洗放水过程中浊度、流量、时间等参数变化,用于精细化管理市政管道末端放水过程,节省放水水量,提高放水效率,提高供水管道水质。
为达上述目的,本发明专利提出一种市政管道末端放水控制装置,包括:
依次连接的消火栓、进水连接管、电磁阀、主管、电磁流量计;
所述主管上安装有浊度传感器;所述电磁阀、所述浊度传感器和所述电磁流量计均与PLC自控系统连接;所述主管末端与排水管连接,用以将水排入排水口。
优选地,所述电磁阀、所述主管与所述电磁流量计均安装于底座上。
优选地,所述底座下部安装有四个轮子,可以固定以及自由移动。
优选地,所述电磁阀由PLC自控系统控制,控制阀门启闭。
优选地,所述浊度传感器测量范围是0-4000 NTU,通过所述PLC自控系统在线监测水体浊度,并记录浊度数据。
优选地,所述PLC自控系统自动记录管道末端放水起始和停滞时间,用于分析管道末端放水过程。
优选地,所述电磁流量计,通过所述PLC自控系统在线监测瞬时流量和累积流量,并记录流量数据。
优选地,所述PLC自控系统与电磁阀、浊度传感器以及电磁流量计连接,还可与温度、压力、电导率、余氯等传感器连接,实现在线监测水质与控制效果。
有益效果
与现有技术相比,本发明具有如下优点:
(1)本发明能够针对市政管道末端放水过程进行自动控制,节约冲洗用水量,并且冲洗效果好,冲洗用时短。
(2)本发明能够自动控制市政管道末端放水过程,优化市政供水管道末端冲洗条件,确定最佳放水条件。
(3)本发明能够对市政管道放水过程中数据包括放水时间、放水过程中水体浊度、放水瞬时流量以及累计流量等数据进行在线监测以及数据存储,便于数据积累以及数据分析;
本发明进行管道末端放水操作简便,数据记录准确,便于推广应用。
附图说明
图1为本发明一种市政管道末端放水控制装置示意图。
附图标记:消火栓1、进水连接管2、电磁阀3、浊度传感器4、PLC自控系统5、主管6、电磁流量计7、底座8、轮子9、排水管10。
本发明的最佳实施方式
以下通过特定的具体实例并结合附图说明本发明的实施方式,本领域技术人员可由本说明书所揭示的内容轻易地了解本发明的其它优点与功效。本发明亦可通过其它不同的具体实例加以施行或应用,本说明书中的各项细节亦可基于不同观点与应用,在不背离本发明的精神下进行各种修饰与变更。
如图1所示,为本发明一种市政管道末端放水控制装置示意图。如图1所示,本发明一种市政管道末端放水控制装置,包括:
依次连接的消火栓1、进水连接管2、电磁阀3、主管6、电磁流量计7;
所述主管6上安装有浊度传感器4,通过螺纹连接;所述电磁阀3、所述浊度传感器4和所述电磁流量计7均与PLC自控系统5连接,所述PLC自控系统5用以控制电磁阀3启闭,在线监测浊度以及流量;所述主管6末端与排水管10连接,用以将水排入排水口,排水管长度根据排水要求定制管道长度。
优选地,所述电磁阀3、所述主管6与所述电磁流量计7均安装于底座8上。
优选地,所述底座8下部安装有四个轮子9,可以固定以及自由移动。
优选地,所述电磁阀3由PLC自控系统5控制,控制阀门启闭;
优选地,所述浊度传感器4测量范围是0-4000 NTU,通过所述PLC自控系统5在线监测水体浊度,并记录浊度数据。
优选地,所述PLC自控系统5自动记录管道末端放水起始和停滞时间,用于分析管道末端放水过程。
优选地,所述电磁流量计7,通过所述PLC自控系统5在线监测瞬时流量和累积流量,并记录流量数据。
优选地,所述PLC自控系统5与电磁阀3、浊度传感器4以及电磁流量计7连接,还可与温度、压力、电导率、余氯等传感器连接,实现在线监测水质与控制效果。
所述一种市政管道末端放水控制装置使用步骤,如下:
将进水连接管2与消火栓1连接,排水管10放入排水口,打开消火栓1阀门,水体进入进水管2;
打开PLC自控系统5,控制PLC自控系统5打开电磁阀3,PLC自控系统5开始记录冲洗起始时间,主管内水体浊度以及流量;
利用浊度传感器进行浊度测量,并通过PLC自控系统5显示管道内水体浊度,当稳定浊度达到冲洗要求,一般当水体浊度为1 NTU,关闭消火栓阀门;
通过PLC关闭电磁阀停止记录冲洗时间、管道内水体浊度以及流量,排空装置内水体。
本发明的实施方式
以下通过特定的具体实例并结合附图说明本发明的实施方式,本领域技术人员可由本说明书所揭示的内容轻易地了解本发明的其它优点与功效。本发明亦可通过其它不同的具体实例加以施行或应用,本说明书中的各项细节亦可基于不同观点与应用,在不背离本发明的精神下进行各种修饰与变更。
如图1所示,为本发明一种市政管道末端放水控制装置示意图。如图1所示,本发明一种市政管道末端放水控制装置,包括:
依次连接的消火栓1、进水连接管2、电磁阀3、主管6、电磁流量计7;
所述主管6上安装有浊度传感器4,通过螺纹连接;所述电磁阀3、所述浊度传感器4和所述电磁流量计7均与PLC自控系统5连接,所述PLC自控系统5用以控制电磁阀3启闭,在线监测浊度以及流量;所述主管6末端与排水管10连接,用以将水排入排水口,排水管长度根据排水要求定制管道长度。
优选地,所述电磁阀3、所述主管6与所述电磁流量计7均安装于底座8上。
优选地,所述底座8下部安装有四个轮子9,可以固定以及自由移动。
优选地,所述电磁阀3由PLC自控系统5控制,控制阀门启闭;
优选地,所述浊度传感器4测量范围是0-4000 NTU,通过所述PLC自控系统5在线监测水体浊度,并记录浊度数据。
优选地,所述PLC自控系统5自动记录管道末端放水起始和停滞时间,用于分析管道末端放水过程。
优选地,所述电磁流量计7,通过所述PLC自控系统5在线监测瞬时流量和累积流量,并记录流量数据。
优选地,所述PLC自控系统5与电磁阀3、浊度传感器4以及电磁流量计7连接,还可与温度、压力、电导率、余氯等传感器连接,实现在线监测水质与控制效果。
所述一种市政管道末端放水控制装置使用步骤,如下:
将进水连接管2与消火栓1连接,排水管10放入排水口,打开消火栓1阀门,水体进入进水管2;
打开PLC自控系统5,控制PLC自控系统5打开电磁阀3,PLC自控系统5开始记录冲洗起始时间,主管内水体浊度以及流量;
利用浊度传感器进行浊度测量,并通过PLC自控系统5显示管道内水体浊度,当稳定浊度达到冲洗要求,一般当水体浊度为1 NTU,关闭消火栓阀门;
通过PLC关闭电磁阀停止记录冲洗时间、管道内水体浊度以及流量,排空装置内水体。
综上所述,本发明一种市政管道末端放水控制装置,通过PLC系统控制电磁阀,在线监测并记录水体浊度以及流量,掌握管道末端放水实时情况,确定最佳防水条件,节省放水水量,提高末端供水水质。
    上述实施例仅例示性说明本发明专利的原理及其功效,而非用于限制本发明。任何本领域技术人员均可在不违背本发明的精神及范畴下,对上述实施例进行修饰与改变。因此,本发明专利的权利保护范围,应如权利要求书所列。
工业实用性
所属领域技术人员根据上文的记载容易得知,本发明技术方案适合在工业中制造并在生产、生活中使用,因此本发明具备工业实用性。

Claims (8)

  1. 一种市政管道末端放水控制装置,包括:依次连接的消火栓(1)、进水连接管(2)、电磁阀(3)、主管(6)、电磁流量计(7);
    所述主管(6)上安装有浊度传感器(4);所述电磁阀(3)、所述浊度传感器(4)和所述电磁流量计(7)均与PLC自控系统(5)连接;所述主管(6)末端与排水管(10)连接。
  2. 如权利要求1所述的一种市政管道末端放水控制装置,其特征在于:所述电磁阀(3)、所述主管(6)与所述电磁流量计(7)均安装于底座(8)上。
  3. 如权利要求2所述的一种市政管道末端放水控制装置,其特征在于:所述底座(8)下部安装有四个轮子(9)。
  4. 如权利要求3所述的一种市政管道末端放水控制装置,其特征在于:所述电磁阀(3)通过所述PLC自控系统(5)控制阀门启闭。
  5. 如权利要求3所述的一种市政管道末端放水控制装置,其特征在于:所述浊度传感器(4)测量范围是0-4000 NTU,通过所述PLC自控系统(5)在线监测水体浊度,并记录浊度数据。
  6. 如权利要求3所述的一种市政管道末端放水控制装置,其特征在于:所述PLC自控系统(5)自动记录管道末端放水起始和停滞时间,用于分析管道末端放水过程。
  7. 如权利要求3所述的一种市政管道末端放水控制装置,其特征在于:所述电磁流量计(7),通过所述PLC自控系统(5)在线监测瞬时流量和累积流量,并记录流量数据。
  8. 如权利要求3所述的一种市政管道末端放水控制装置,其特征在于:所述PLC自控系统(5)可与温度、压力、电导率、余氯等传感器连接,实现在线监测水质与控制效果。
PCT/CN2021/124623 2021-08-24 2021-10-19 一种市政管道末端放水控制装置 WO2023024232A1 (zh)

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