阅读说明：本技术 一种市政管道末端放水控制装置 (Tail end water discharging control device for municipal pipeline ) 是由 赵欣 杨坤 朱斌 朱文滨 于 2021-08-24 设计创作，主要内容包括：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。(The invention relates to the technical field of municipal pipeline operation, in particular to a municipal pipeline tail end water discharging control device, which comprises: the fire hydrant (1), the water inlet connecting pipe (2), the electromagnetic valve (3), the main pipe (6) and the electromagnetic flowmeter (7) are connected in sequence; a turbidity sensor (4) is arranged on the main pipe (6); the electromagnetic valve (3), the turbidity sensor (4) and the electromagnetic flowmeter (7) are all connected with a PLC automatic control system (5); the tail end of the main pipe (6) is connected with a drain pipe (10). The system can automatically control and record the parameter changes such as turbidity, flow, time and the like in the process of flushing and discharging water at the tail end of the municipal water supply pipeline, is used for finely managing the process of discharging water at the tail end of the municipal water supply pipeline, saves the water discharge amount, improves the water discharge efficiency and improves the water quality of the water supply pipeline.)

1. An end discharge control device for municipal pipes, comprising: the fire hydrant (1), the water inlet connecting pipe (2), the electromagnetic valve (3), the main pipe (6) and the electromagnetic flowmeter (7) are connected in sequence;

a turbidity sensor (4) is arranged on the main pipe (6); the electromagnetic valve (3), the turbidity sensor (4) and the electromagnetic flowmeter (7) are all connected with a PLC automatic control system (5); the tail end of the main pipe (6) is connected with a drain pipe (10).

2. The municipal pipe end discharge control device of claim 1, wherein: the electromagnetic valve (3), the main pipe (6) and the electromagnetic flowmeter (7) are all installed on a base (8).

3. The municipal pipe end discharge control device of claim 2, wherein: four wheels (9) are installed on the lower portion of the base (8).

4. The municipal pipe end discharge control device of claim 3, wherein: the electromagnetic valve (3) controls the opening and closing of the valve through the PLC automatic control system (5).

5. The municipal pipe end discharge control device of claim 3, wherein: the measuring range of the turbidity sensor (4) is 0-4000 NTU, the water body turbidity is monitored on line through the PLC automatic control system (5), and turbidity data is recorded.

6. The municipal pipe end discharge control device of claim 3, wherein: the PLC automatic control system (5) automatically records the water discharging start time and the dead time at the tail end of the pipeline and is used for analyzing the water discharging process at the tail end of the pipeline.

7. The municipal pipe end discharge control device of claim 3, wherein: the electromagnetic flowmeter (7) monitors instantaneous flow and accumulated flow on line through the PLC automatic control system (5) and records flow data.

8. The municipal pipe end discharge control device of claim 3, wherein: the PLC automatic control system (5) can be connected with sensors for temperature, pressure, conductivity, residual chlorine and the like, so that the water quality and control effect can be monitored on line.

Technical Field

The invention relates to the technical field of pipeline operation, in particular to a municipal pipeline tail end water discharging control device.

Background

Microorganism is bred in municipal water supply pipeline, and is a weak link of water quality of a water supply system. The inner wall of the pipeline can form sediment under the combined action of physics, chemistry and microorganisms, so that the water quality risk such as high turbidity of the supplied water, substandard microorganism index and the like is caused. Along with the continuous promotion of the urbanization process, the scale of a transmission and distribution pipe network in the urban municipal water supply system is continuously enlarged. On one hand, the water supply pipe network is long, so that the water quality flow rate is low and the residual chlorine is reduced; on the other hand, at the tail end of the urban municipal water supply pipeline, water quality problems such as water yellow and water mixing occur due to no flow of water for a long time, so that customer end complaints are caused. To large-scale municipal water supply network in city, through putting water at municipal water supply network end, put the terminal relatively poor water, can improve the municipal water supply pipe velocity of flow, reduce the whole quality of water risk of municipal water supply network in city.

At present, in the aspect of municipal pipeline cleaning, some pipeline cleaning methods including air water pulse, chemical agent cleaning and the like are applied to pipelines with poor sanitary conditions of local pipeline inner walls. A method for draining water from the tail end of a municipal pipeline is a method for cleaning the daily operation and maintenance of urban water supply pipelines, a common tail end water draining operation method is that an operator directly opens fire water to drain water, manual sampling is carried out at intervals to detect the turbidity of a water sample, and water draining is stopped after the turbidity reaches the standard. Therefore, it is necessary to provide an invention device with precise control for the tail end water discharging method of the municipal water supply pipeline.

Disclosure of Invention

In order to overcome the defects in the prior art, the invention provides the municipal water supply pipeline tail end water discharge control device, which realizes automatic control and records the parameter changes of turbidity, flow, time and the like in the process of flushing and discharging water at the tail end of the municipal water supply pipeline, is used for finely managing the tail end water discharge process of the municipal water supply pipeline, saves the water discharge amount, improves the water discharge efficiency and improves the water quality of the water supply pipeline.

In order to achieve the purpose, the invention provides a municipal pipeline tail end water discharging control device, which comprises:

the fire hydrant, the water inlet connecting pipe, the electromagnetic valve, the main pipe and the electromagnetic flowmeter are connected in sequence;

a turbidity sensor is arranged on the main pipe; the electromagnetic valve, the turbidity sensor and the electromagnetic flowmeter are all connected with a PLC automatic control system; the tail end of the main pipe is connected with a water discharge pipe for discharging water into the water discharge port.

Preferably, the electromagnetic valve, the main pipe and the electromagnetic flowmeter are all mounted on a base.

Preferably, four wheels are mounted on the lower portion of the base, and can be fixed and freely moved.

Preferably, the electromagnetic valve is controlled by a PLC automatic control system to control the opening and closing of the valve.

Preferably, the measuring range of the turbidity sensor is 0-4000 NTU, the water body turbidity is monitored on line through the PLC automatic control system, and the turbidity data is recorded.

Preferably, the PLC automatic control system automatically records the water discharging start time and the dead time at the tail end of the pipeline and is used for analyzing the water discharging process at the tail end of the pipeline.

Preferably, the electromagnetic flowmeter monitors instantaneous flow and accumulated flow on line through the PLC automatic control system and records flow data.

Preferably, the PLC automatic control system is connected with the electromagnetic valve, the turbidity sensor and the electromagnetic flowmeter, and can also be connected with sensors for temperature, pressure, conductivity, residual chlorine and the like, so that the water quality and the control effect can be monitored on line.

Compared with the prior art, the invention has the following advantages:

(1) the invention can automatically control the water discharging process at the tail end of the municipal pipeline, saves the water consumption for flushing, and has good flushing effect and short flushing time.

(2) The invention can automatically control the water discharging process at the tail end of the municipal pipeline, optimize the flushing condition at the tail end of the municipal water supply pipeline and determine the optimal water discharging condition.

(3) The system can perform online monitoring and data storage on data in the municipal pipeline water discharging process, such as water discharging time, water turbidity in the water discharging process, instantaneous water discharging flow, accumulated flow and the like, so that data accumulation and data analysis are facilitated;

(4) the invention has simple and convenient operation of discharging water at the tail end of the pipeline, accurate data recording and convenient popularization and application.

Drawings

FIG. 1 is a schematic view of a municipal pipeline end water discharge control device of the invention

Reference numerals: the automatic control system comprises a fire hydrant 1, a water inlet connecting pipe 2, an electromagnetic valve 3, a turbidity sensor 4, a PLC automatic control system 5, a main pipe 6, an electromagnetic flowmeter 7, a base 8, wheels 9 and a drain pipe 10.

Detailed Description

Other advantages and capabilities of the present invention will be readily apparent to those skilled in the art from the present disclosure by describing the embodiments of the present invention with specific embodiments thereof in conjunction with the accompanying drawings. The invention is capable of other and different embodiments and its several details are capable of modification in various other respects, all without departing from the spirit and scope of the present invention.

As shown in figure 1, the invention is a schematic view of a municipal pipeline end water discharge control device. As shown in figure 1, the invention relates to a municipal pipeline tail end water discharging control device, which comprises:

the fire hydrant 1, the water inlet connecting pipe 2, the electromagnetic valve 3, the main pipe 6 and the electromagnetic flowmeter 7 are connected in sequence;

the main pipe 6 is provided with a turbidity sensor 4 and is connected with the turbidity sensor through threads; the electromagnetic valve 3, the turbidity sensor 4 and the electromagnetic flowmeter 7 are all connected with a PLC automatic control system 5, and the PLC automatic control system 5 is used for controlling the opening and closing of the electromagnetic valve 3 and monitoring turbidity and flow on line; the end of the main pipe 6 is connected with a drain pipe 10 for draining water into the drain outlet, and the length of the drain pipe is customized according to the drainage requirement.

Preferably, the electromagnetic valve 3, the main pipe 6 and the electromagnetic flowmeter 7 are all mounted on a base 8.

Preferably, four wheels 9 are installed on the lower portion of the base 8, and can be fixed and freely moved.

Preferably, the electromagnetic valve 3 is controlled by a PLC automatic control system 5 to control the opening and closing of the valve;

preferably, the measuring range of the turbidity sensor 4 is 0-4000 NTU, the water body turbidity is monitored on line through the PLC automatic control system 5, and the turbidity data is recorded.

Preferably, the PLC automatic control system 5 automatically records the water discharging start time and the dead time at the tail end of the pipeline and is used for analyzing the water discharging process at the tail end of the pipeline.

Preferably, the electromagnetic flowmeter 7 monitors the instantaneous flow and the accumulated flow on line through the PLC automatic control system 5 and records the flow data.

Preferably, the PLC automatic control system 5 is connected with the electromagnetic valve 3, the turbidity sensor 4 and the electromagnetic flowmeter 7, and can also be connected with sensors for temperature, pressure, conductivity, residual chlorine and the like, so that the water quality and control effect can be monitored on line.

The use steps of the municipal pipeline tail end water discharging control device are as follows:

connecting a water inlet connecting pipe 2 with the fire hydrant 1, placing a drain pipe 10 into a water outlet, opening a valve of the fire hydrant 1, and enabling a water body to enter the water inlet pipe 2;

the PLC automatic control system 5 is opened, the PLC automatic control system 5 is controlled to open the electromagnetic valve 3, and the PLC automatic control system 5 starts to record the flushing starting time, the turbidity and the flow of the water in the main pipe;

carrying out turbidity measurement by using a turbidity sensor, displaying the turbidity of the water in the pipeline by using a PLC (programmable logic controller) automatic control system 5, and closing a fire hydrant valve when the stable turbidity meets the flushing requirement and the turbidity of the water is 1 NTU generally;

and closing the electromagnetic valve through the PLC to stop recording the flushing time, the turbidity and the flow of the water in the pipeline and emptying the water in the device.

In conclusion, the municipal pipeline tail end water discharge control device disclosed by the invention has the advantages that the electromagnetic valve is controlled by the PLC system, the turbidity and the flow of the water body are monitored and recorded on line, the real-time water discharge condition at the tail end of the pipeline is mastered, the optimal waterproof condition is determined, the water discharge quantity is saved, and the tail end water supply quality is improved.

The above embodiments are merely illustrative of the principles and functions of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Therefore, the protection scope of the patent of the invention should be as listed in the claims.