An online intelligent water quality detection system for a heating pipeline

Abstract

This utility model discloses an online intelligent water quality testing system for heating pipelines, including: a pipeline, an inlet pipe, a pressure reducing valve, a water quality analyzer, and a drainage pipe; one end of the inlet pipe is connected to the heating pipeline, the other end of the inlet pipe is connected to one end of the water quality analyzer, and the other end of the water quality analyzer is connected to the drainage pipe; the pressure reducing valve is installed inside the inlet pipe, solving the problem that existing water quality testing equipment cannot achieve real-time online water quality testing under the high pressure environment of heating pipelines due to insufficient pressure resistance.

Description

Technical Field

[0001] This utility model belongs to the field of pipeline water quality testing technology, and in particular relates to an online intelligent water quality testing system for heating pipelines. Background Technology

[0002] The quality of circulating water in a heating system directly affects pipe lifespan and system efficiency. Excessive levels of parameters such as water hardness (calcium and magnesium ion content), turbidity, pH value, and dissolved oxygen can lead to pipe scaling, corrosion, or microbial growth, resulting in decreased thermal efficiency, increased energy consumption, and even pipe bursts. Therefore, real-time water quality monitoring is crucial for ensuring heating safety.

[0003] Currently, most heat exchange stations are not equipped with online water quality monitoring devices, mainly because the water quality monitoring sensors lack sufficient pressure and temperature resistance. Commercially available water quality testing equipment is typically designed for a pressure of ≤0.2MPa, while the operating pressure of secondary heating network pipelines is mostly 0.6-1.6MPa. Direct connection would cause the sensors to burst.

[0004] Therefore, there is an urgent need to design an online intelligent water quality monitoring system for heating pipelines to solve the problems mentioned above. Utility Model Content

[0005] The purpose of this invention is to provide an online intelligent water quality testing system for heating pipelines, in order to solve the problem that existing water quality testing equipment cannot achieve real-time online water quality testing under the high-pressure environment of heating pipelines due to insufficient pressure resistance.

[0006] To achieve the above objectives, the specific technical solution of the online intelligent water quality detection system for heating pipelines according to this utility model is as follows: An online intelligent water quality testing system for heating pipelines includes: a heating pipeline, an inlet pipeline, a pressure reducing valve, a water quality tester, and a drainage pipeline; One end of the water inlet pipe is connected to the heating pipe, and the other end of the water inlet pipe is connected to one end of the water quality analyzer. The other end of the water quality analyzer is connected to the drainage pipe, and the pressure reducing valve is installed inside the water inlet pipe.

[0007] Furthermore, the online intelligent water quality monitoring system for heating pipelines also includes a pressure sensor, a temperature sensor, and a detection solenoid valve. The pressure sensor, the temperature sensor, and the detection solenoid valve are sequentially arranged inside the water inlet pipeline and located downstream of the pressure reducing valve.

[0008] Furthermore, the online intelligent water quality monitoring system for heating pipelines also includes a controller, which has an input terminal and an output terminal. The pressure sensor and the temperature sensor are electrically connected to the input terminal, and the output terminal is electrically connected to the detection solenoid valve.

[0009] Furthermore, the controller is a programmable logic controller (PLC controller).

[0010] Furthermore, the online intelligent water quality monitoring system for heating pipelines also includes a pressure relief pipe and a pressure relief solenoid valve. One end of the pressure relief pipe is connected to the inlet water pipe and is located between the solenoid valve and the temperature sensor. The pressure relief solenoid valve is electrically connected to the output end.

[0011] Furthermore, the online intelligent water quality monitoring system for heating pipelines also includes a pressure relief ball valve, which is installed inside the pressure relief pipeline and located upstream of the pressure relief solenoid valve.

[0012] Furthermore, the online intelligent water quality monitoring system for heating pipelines also includes a control terminal, and both the input terminal and the water quality analyzer are electrically connected to the control terminal.

[0013] Furthermore, the online intelligent water quality monitoring system for heating pipelines also includes an inlet valve, which is located inside the inlet pipeline and upstream of the pressure reducing valve.

[0014] Furthermore, the online intelligent water quality monitoring system for heating pipelines also includes a drain valve, which is installed inside the drain pipeline.

[0015] The online intelligent water quality monitoring system for heating pipelines of this invention has the following advantages: 1. By setting a pressure reducing valve, the high-pressure water in the heating pipeline can be reduced to a pressure suitable for the water quality tester to operate, avoiding damage to the test equipment due to excessive pressure, thus filling the technical gap in online water quality testing under high-pressure heating environments.

[0016] 2. Pressure and temperature sensors can monitor the pressure and temperature of the water flow in real time. When the limits are exceeded, the controller can control the detection solenoid valve to automatically close, realizing automatic protection of the detection equipment without the need for manual on-site operation, thus saving labor costs.

[0017] 3. The installation of pressure relief pipelines and pressure relief solenoid valves ensures that the pressure in the pipeline can be released in a timely manner after the solenoid valve is detected to be closed, further ensuring system safety.

[0018] 4. The addition of the control terminal enables intelligent remote management of the system. Staff can remotely obtain water quality data and system status, and edit the PLC controller to facilitate timely response measures, thereby improving the safety and operating efficiency of the heating system.

[0019] 5. The inclusion of components such as inlet valve, drain valve, and pressure relief ball valve makes the system more flexible and convenient to operate during inspection and maintenance. Attached Figure Description

[0020] Figure 1 This is one of the structural schematic diagrams of the online intelligent water quality detection system for heating pipelines according to this utility model; Figure 2 This is the second schematic diagram of the online intelligent water quality detection system for heating pipelines according to this utility model; Figure 3 This is a partially enlarged view of the online intelligent water quality detection system for heating pipelines according to this utility model.

[0021] Explanation of markings in the diagram: 1. Heating pipe; 2. Water inlet pipe; 3. Pressure reducing valve; 4. Water quality analyzer; 5. Drainage pipe; 6. Pressure sensor; 7. Temperature sensor; 8. Detection solenoid valve; 9. Controller; 901. Input terminal; 902. Output terminal; 10. Pressure relief pipe; 11. Pressure relief solenoid valve; 12. Pressure relief ball valve; 13. Control terminal; 14. Water inlet valve; 15. Drainage valve; 16. Integrated temperature and pressure sensor; 17. Solenoid ball valve. Detailed Implementation

[0022] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0023] Those skilled in the art will understand that although some embodiments herein include certain features included in other embodiments but not others, combinations of features from different embodiments are intended to be within the scope of this invention and form different embodiments. For example, in the claims, any of the claimed embodiments can be used in any combination.

[0024] The following reference Figures 1 to 3 This invention describes an online intelligent water quality monitoring system for heating pipelines. An online intelligent water quality monitoring system for heating pipelines, such as... Figures 1 to 3 As shown, the online intelligent water quality monitoring system for heating pipelines includes: heating pipeline 1, inlet pipeline 2, pressure reducing valve 3, water quality analyzer 4, and drainage pipeline 5; one end of the inlet pipeline 2 is connected to the heating pipeline 1, the other end of the inlet pipeline 2 is connected to one end of the water quality analyzer 4, the other end of the water quality analyzer 4 is connected to the drainage pipeline 5, and the pressure reducing valve 3 is installed inside the inlet pipeline 2.

[0025] In this embodiment, a pressure reducing valve 3 is used to reduce the pressure of the high-pressure water in the heating pipeline 1 to a pressure range suitable for the operation of the water quality analyzer 4, preventing damage to the water quality analyzer 4 due to excessive pressure and enabling online water quality monitoring of the heating pipeline 1. After the high-pressure water in the heating pipeline 1 enters the inlet pipeline 2, it is reduced in pressure by the pressure reducing valve 3 until the water pressure in the inlet pipeline 2 is ≤0.2MPa, at which point it enters the water quality analyzer 4. After being tested by the water quality analyzer 5, the water is discharged through the drain pipeline.

[0026] like Figure 1 As shown, the online intelligent water quality detection system for heating pipelines also includes a pressure sensor 6, a temperature sensor 7, and a detection solenoid valve 8. The pressure sensor 6, temperature sensor 7, and detection solenoid valve 8 are sequentially installed inside the water inlet pipe 2 and located downstream of the pressure reducing valve 3. The pressure sensor 6 and temperature sensor 7 can monitor the pressure and temperature of the water flow after pressure reduction, respectively. The opening and closing of the detection solenoid valve 8 can control the water flow into the water quality detector 4.

[0027] like Figure 2 As shown, pressure sensor 6 and temperature sensor 7 are replaced with integrated temperature and pressure sensor 16, and detection solenoid valve 8 is set as solenoid ball valve 17.

[0028] like Figure 1 As shown, the online intelligent water quality detection system for heating pipelines also includes a controller 9. The controller 9 includes an input terminal 901 and an output terminal 902. The pressure sensor 6 and the temperature sensor 7 are electrically connected to the input terminal 901, and the output terminal 902 is electrically connected to the detection solenoid valve 8. The controller 9 receives the electrical signals from the pressure sensor 6 and the temperature sensor 7, and controls the opening and closing of the detection solenoid valve 8 according to the electrical signals.

[0029] Specifically, based on the electrical signal transmitted from the pressure sensor 6, the controller 9 closes the detection solenoid valve 8 when the pressure in the water inlet pipe 2 exceeds 0.2 MPa. Based on the electrical signal transmitted from the temperature sensor 7, the controller 9 closes the detection solenoid valve 8 when the temperature in the water inlet pipe 2 exceeds 50°C. The controller 9 is a programmable logic controller (PLC), which has the characteristics of high reliability and flexible programming, and can better meet the control requirements of the system.

[0030] like Figure 1 and Figure 2 As shown, the online intelligent water quality monitoring system for heating pipelines also includes a pressure relief pipe 10 and a pressure relief solenoid valve 11. One end of the pressure relief pipe 10 is connected to the inlet pipe 2 and is located between the solenoid valve and the temperature sensor 7. The pressure relief solenoid valve 11 is electrically connected to the output terminal 902. When the detection solenoid valve 8 is closed, the pressure relief pipe 10 and the pressure relief solenoid valve 11 can be used to release the pressure in the inlet pipe 2 to prevent the pipeline pressure from being too high.

[0031] like Figure 1 and Figure 2 As shown, the online intelligent water quality monitoring system for heating pipelines also includes a pressure relief ball valve 12. The pressure relief ball valve 12 is installed inside the pressure relief pipeline 10 and is located upstream of the pressure relief solenoid valve 11. By installing the pressure relief ball valve 12, the opening and closing of the pressure relief pipeline 10 can be manually controlled in case of system maintenance or other situations.

[0032] like Figure 1 As shown, the online intelligent water quality monitoring system for heating pipelines also includes a control terminal 13. The input terminal 901 and the water quality analyzer 4 are both electrically connected to the control terminal 13. By configuring the control terminal 13, it can receive sensor data transmitted from the controller 9 and the detection results from the water quality analyzer 4, enabling remote monitoring and management of the system. The controller 9 can be programmed via the control terminal 13 to adapt the system to more pipelines. Water quality parameters detected by the water quality analyzer 4 (such as hardness, turbidity, pH value, dissolved oxygen, etc.) and detection data from the pressure sensor 6 and temperature sensor 7 are all transmitted to the control terminal 13, allowing personnel to remotely monitor the system. The control terminal 13 can also send commands to the detection solenoid valve 8 and the pressure relief solenoid valve 11 via 4G / Wi-Fi, enabling remote opening and closing control of these valves.

[0033] like Figure 1 and Figure 2 As shown, the online intelligent water quality monitoring system for heating pipelines also includes an inlet valve 14. The inlet valve 14 is located inside the inlet pipe 2 and upstream of the pressure reducing valve 3. The inlet valve 14 allows for manual control of the overall on / off state of the inlet pipe 2, facilitating system maintenance and other operations. The inlet valve 14 is an inlet ball valve. Figure 1 and Figure 2 As shown, the online intelligent water quality monitoring system for heating pipelines also includes a drain valve 15. The drain valve 15 is installed inside the drain pipe 5. By setting the drain valve 15, the opening and closing of the drain pipe 5 can be controlled, which facilitates the management of the water discharged by the water quality monitor 4. The drain valve 15 is a drain ball valve.

[0034] Example 1 The circulating heating water enters the inlet pipe 2 from the heating pipe 1, and after being depressurized by the inlet valve 14 and the pressure reducing valve 3, it passes through the pressure sensor 6 and the temperature sensor 7 for detection. If the parameters of the pressure sensor 6 and the temperature sensor 7 are normal, the detection solenoid valve 8 opens, and the water flows into the water quality analyzer 4 for water quality testing. The tested water is then discharged through the drain pipe 5 and the drain valve 15. If the parameters of the pressure sensor 6 or the temperature sensor 7 are abnormal, the detection solenoid valve 8 closes, and the pressure relief solenoid valve 11 opens to release pressure and ensure system safety. All detection data is uploaded to the control terminal 13. When the detection data is abnormal, the control terminal 13 analyzes the data and proposes a treatment plan. After injecting chemicals into the heating pipe 1, the water quality analyzer 4 re-tests the water quality to verify the treatment effect, thus realizing intelligent monitoring and control.

[0035] Example 2 The heating circulating water enters the inlet pipe 2 from the heating pipe 1, and after being depressurized by the inlet valve 14 and the pressure reducing valve 3, it passes through the integrated temperature and pressure sensor 16 for detection. If the parameters of the integrated temperature and pressure sensor 16 are normal, the solenoid ball valve 17 opens, and the water flows into the water quality analyzer 4 for water quality testing. The tested water is then discharged through the drain pipe 5 and the drain valve 15. If the parameters of the integrated temperature and pressure sensor 16 are abnormal, the solenoid ball valve 17 closes, and the pressure relief solenoid valve 11 opens to release pressure and ensure system safety. All detection data is uploaded to the control terminal 13. When the detection data is abnormal, the control terminal 13 analyzes the data and proposes a treatment plan. After injecting chemicals into the heating pipe 1, the water quality analyzer 4 re-tests the water quality to verify the treatment effect, thus realizing intelligent monitoring and control.

[0036] Obviously, the above embodiments of this utility model are merely examples for clearly illustrating the present utility model, and are not intended to limit the implementation of the present utility model. Those skilled in the art can make other variations or modifications based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model should be included within the protection scope of the claims of this utility model.

Claims

1. An online intelligent water quality detection system for heating pipeline, characterized in that, include: Heating pipes, water inlet pipes, pressure reducing valves, water quality testing instruments, and drainage pipes; One end of the water inlet pipe is connected to the heating pipe, and the other end of the water inlet pipe is connected to one end of the water quality analyzer. The other end of the water quality analyzer is connected to the drainage pipe, and the pressure reducing valve is installed inside the water inlet pipe.

2. The online intelligent water quality detection system for heating pipeline according to claim 1, characterized in that, It also includes a pressure sensor, a temperature sensor, and a detection solenoid valve, which are sequentially arranged inside the water inlet pipe and located downstream of the pressure reducing valve.

3. The online intelligent water quality detection system for heating pipeline according to claim 2, characterized in that, It also includes a controller, which has an input terminal and an output terminal. The pressure sensor and the temperature sensor are electrically connected to the input terminal, and the output terminal is electrically connected to the detection solenoid valve.

4. The online intelligent water quality detection system for heating pipeline according to claim 3, characterized in that, The controller is a programmable logic controller.

5. The online intelligent water quality detection system for heating pipeline according to claim 3, characterized in that, It also includes a pressure relief pipe and a pressure relief solenoid valve. One end of the pressure relief pipe is connected to the water inlet pipe and is located between the solenoid valve and the temperature sensor. The pressure relief solenoid valve is electrically connected to the output end.

6. The online intelligent water quality detection system for heating pipelines according to claim 5, characterized in that, It also includes a pressure relief ball valve, which is disposed inside the pressure relief pipe and located upstream of the pressure relief solenoid valve.

7. The online intelligent water quality detection system for heating pipeline according to claim 6, characterized in that, It also includes a control terminal, and both the input terminal and the water quality analyzer are electrically connected to the control terminal.

8. The online intelligent water quality detection system for heating pipeline according to claim 1, characterized in that, It also includes an inlet valve, which is disposed inside the inlet pipe and located upstream of the pressure reducing valve.

9. The online intelligent water quality detection system for heating pipeline according to claim 1, characterized in that, It also includes a drain valve, which is disposed inside the drain pipe.

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