Multi-stage pump balance water pipe structure with intelligent detection and self-adaptive adjustment functions

Abstract

The utility model relates to a multi-stage pump balance water pipe structure with intelligent detection and self-adaptive adjustment functions. The balance water pipe structure comprises a high-pressure side flange, a balance water pipe, a pressure guide pipe, an instrument valve, a pressure gauge and a low-pressure side flange. The two ends of the balance water pipe are fixed to the high-pressure side flange and the low-pressure side flange respectively, the high-pressure side flange is connected with the high-pressure side of the multi-stage pump, and the low-pressure side flange is connected with the low-pressure side of the multi-stage pump. A circular ring and a pressure guide pipe are arranged on the balance water pipe body; an instrument valve is installed on the pressure guiding pipe, and a pressure gauge is installed on the instrument valve. The circular ring is arranged at the special position of the balance water pipe, and the circular ring can be automatically adjusted when the pump expands with heat and contracts with cold. When the pump is heated to expand, the circular ring can expand outwards, and certain space compensation is provided for extension of the pump. According to the utility model, the pressure value of liquid in the balance water pipe can be read in real time. When the pressure value exceeds a normal range, an alarm signal can be triggered in time.

Description

Technical Field

[0001] This utility model relates to a multi-stage pump balancing water pipe structure, specifically a multi-stage pump balancing water pipe structure with intelligent detection and adaptive adjustment functions that can effectively prevent pump operation failures caused by abnormalities, improve system stability and service life. Background Technology

[0002] In the operation of multistage pumps, the balancing water pipe plays a crucial role. On one hand, it draws liquid from the high-pressure side to the low-pressure side, creating a reverse pressure difference in the rotor system to offset part of the axial force. It is typically used in conjunction with a balancing disc or balancing drum to dynamically balance the axial force by adjusting the leakage rate. On the other hand, the liquid flow in the balancing water pipe carries away the heat generated by friction between components such as the balancing disc and balancing drum, preventing localized overheating that could lead to material deformation or failure.

[0003] However, traditional balancing water pipe systems have some shortcomings: 1. The pressure inside the balancing water pipe is a core parameter reflecting the health status of the multi-stage pump balancing mechanism, but traditional balancing water pipes cannot measure the pressure inside the pipe in a timely manner, making it difficult to detect and judge pump operation problems promptly; 2. They cannot effectively cope with the adjustment needs of the pump under thermal expansion and contraction, which may lead to leaks at water pipe connections or damage to components. To address these problems, this utility model proposes a multi-stage pump balancing water pipe structure with intelligent detection and adaptive adjustment functions. Utility Model Content

[0004] To address the aforementioned problems, the main objective of this utility model is to provide a multi-stage pump balancing water pipe structure with intelligent detection and adaptive adjustment functions that can effectively prevent pump operation failures caused by abnormalities, improve system stability and service life.

[0005] This utility model solves the above-mentioned technical problems through the following technical solution: a multi-stage pump balancing water pipe structure with intelligent detection and adaptive adjustment function, the multi-stage pump balancing water pipe structure with intelligent detection and adaptive adjustment function includes: high-pressure side flange, balancing water pipe, pressure tapping pipe, instrument valve, pressure gauge, and low-pressure side flange.

[0006] The two ends of the balancing water pipe are fixed to the high-pressure side flange and the low-pressure side flange, respectively. The high-pressure side flange is connected to the high-pressure side of the multi-stage pump, and the low-pressure side flange is connected to the low-pressure side of the multi-stage pump. The balancing water pipe body is equipped with a ring and a pressure tapping pipe. An instrument valve is installed on the pressure tapping pipe, and a pressure gauge is installed on the instrument valve.

[0007] In a specific embodiment of this utility model, the two ends of the balancing water pipe are fixed to the high-pressure side flange and the low-pressure side flange by welding, respectively.

[0008] In a specific embodiment of this utility model, the ring is located at 1 / 3 to 2 / 3 of the position of the entire balancing water pipe.

[0009] In a specific embodiment of this utility model, the diameter of the ring ranges from 100mm to 300mm.

[0010] In a specific embodiment of this utility model, a pressure tap is provided at a position 1 / 3 to 1 / 2 of the length from the high-pressure side flange to the annulus.

[0011] In a specific embodiment of this utility model, the pressure gauge is a pressure gauge with a built-in signal transmission module.

[0012] In a specific embodiment of this utility model, the ring and the balancing water pipe are integrally formed, and the ring is formed by bending the balancing water pipe.

[0013] In a specific embodiment of this utility model, the high-pressure side flange is fixedly connected to the high-pressure side of the multi-stage pump by screws; the low-pressure side flange is fixedly connected to the low-pressure side of the multi-stage pump by screws.

[0014] In a specific embodiment of this utility model, the pressure tapping pipe is installed on the balance water pipe by welding.

[0015] In a specific embodiment of this utility model, the pressure-applying pipe is a curved spiral pipe.

[0016] The significant advantages of this invention are as follows: Compared to common technologies, the multi-stage pump balancing water pipe structure with intelligent detection and adaptive adjustment provided by this invention has the following advantages: This invention features a ring at a specific location on the balancing water pipe, which is integrally formed from the pipe. This ring automatically adjusts when the pump experiences thermal expansion and contraction. When the pump expands due to heat, the ring expands outward, providing space compensation for the pump's elongation; conversely, when the pump cools and contracts, the ring contracts inward, ensuring the tightness of the water pipe connection. This adaptive adjustment function effectively solves the problem of easy leakage or damage at the water pipe connection during thermal expansion and contraction, improving the system's stability and service life.

[0017] This invention can read the pressure value of the liquid in the balancing water pipe in real time. Simultaneously, the pressure gauge has a built-in signal transmission module that can transmit pressure data to the pump's control system in real time. When the pressure value exceeds the normal range, it can promptly trigger an alarm signal, reminding operators to take appropriate measures and effectively preventing pump malfunctions caused by abnormalities. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0019] The following are the names corresponding to the reference numerals in this utility model:

[0020] High-pressure side flange 1, balance water pipe 2, pressure tapping pipe 3, instrument valve 4, pressure gauge 5, low-pressure side flange 6, circular ring 201. Detailed Implementation

[0021] The preferred embodiments of this utility model are given below with reference to the accompanying drawings to illustrate the technical solution of this utility model in detail.

[0022] The technical problem to be solved by this utility model is as follows:

[0023] 1. The pressure inside the balancing water pipe cannot be obtained in a timely and accurate manner. The pressure inside the balancing water pipe is a core parameter reflecting the health status of the multi-stage pump balancing mechanism. The inability to obtain this data in a timely manner makes it impossible for us to effectively judge the balance of the pump balancing mechanism and make it difficult to detect and judge the pump's operating problems in a timely manner.

[0024] 2. For some special working conditions, especially high or low temperature conditions, the traditional balanced water pipe structure cannot effectively cope with the adjustment needs of the pump under thermal expansion and contraction, which may lead to leakage at the water pipe connection or even damage to the components.

[0025] Figure 1 This is a schematic diagram of the overall structure of the present invention, as shown below. Figure 1 As shown, this utility model proposes a multi-stage pump balancing water pipe structure with intelligent detection and adaptive adjustment functions. The multi-stage pump balancing water pipe structure with intelligent detection and adaptive adjustment functions includes: high-pressure side flange 1, balancing water pipe 2, pressure tapping pipe 3, instrument valve 4, pressure gauge 5, and low-pressure side flange 6.

[0026] The two ends of the balancing water pipe 2 are fixed to the high-pressure side flange 1 and the low-pressure side flange 6, respectively. The high-pressure side flange 1 is connected to the high-pressure side of the multi-stage pump, and the low-pressure side flange 6 is connected to the low-pressure side of the multi-stage pump. The balancing water pipe 2 body is provided with a ring 201 and a pressure tapping pipe 3. An instrument valve 4 is installed on the pressure tapping pipe 3, and a pressure gauge 5 is installed on the instrument valve 4. The pressure tapping pipe 3 is generally a curved spiral pipe.

[0027] In the specific implementation of this utility model, the two ends of the balance water pipe 2 are fixed to the high-pressure side flange 1 and the low-pressure side flange 6 by welding respectively; the pressure tapping pipe 3 is installed on the balance water pipe 2 by welding.

[0028] In the specific implementation of this utility model, the circular ring 201 and the balance water pipe are integrally formed. The circular ring 201 is located at 1 / 3 to 2 / 3 of the length of the entire balance water pipe 2, and the diameter of the circular ring is in the range of 100mm to 300mm. A pressure tapping pipe 3 is set from the high-pressure side flange 1 to 1 / 3 to 1 / 2 of the length of the circular ring 201. Depending on the size of the pump and the requirements of the application, the above values ​​can be replaced with other values ​​or ranges.

[0029] In the specific implementation of this utility model, the high-pressure side flange 1 is fixedly connected to the high-pressure side of the multi-stage pump by screws; the low-pressure side flange 6 is fixedly connected to the low-pressure side of the multi-stage pump by screws.

[0030] The circular ring 201 in this invention can automatically adjust when the pump undergoes thermal expansion and contraction. When the pump expands due to heat, the ring can expand outward to provide some space compensation for the pump's elongation; while when the pump cools and contracts, the ring can contract inward to ensure the tightness of the water pipe connection. The pressure tapping pipe in this invention is designed with a circular ring for pressure stabilization, reducing pressure fluctuations.

[0031] The pressure gauge 5 in this invention is a high-precision model to ensure the accuracy and reliability of the measurement data. The pressure gauge 5 has a built-in signal transmission module that can transmit pressure data to the pump's control system in real time, enabling remote monitoring and automatic alarms. When the pressure value exceeds the normal range, it can promptly trigger an alarm signal, reminding operators to take appropriate measures and effectively preventing pump malfunctions caused by abnormalities.

[0032] The instrument valve in this invention can be closed to replace the pressure gauge without stopping the pump when the pressure gauge malfunctions, thereby reducing losses caused by pump stoppage and lowering maintenance costs.

[0033] This invention adds a pressure gauge to the balancing water pipe, allowing for real-time reading of the liquid pressure within the pipe. A high-precision pressure gauge is selected to ensure the accuracy and reliability of the measurement data. The pressure gauge's installation position is carefully designed to accurately reflect the pressure status within the balancing water pipe. Simultaneously, the pressure gauge incorporates a built-in signal transmission module, enabling real-time transmission of pressure data to the pump's control system. When the pressure value exceeds the normal range, an alarm signal is promptly triggered, alerting operators to take appropriate measures and effectively preventing pump malfunctions caused by abnormalities.

[0034] This invention features a ring integrated into a specific location on the balancing water pipe, formed by bending the pipe itself. This ring automatically adjusts to accommodate the pump's thermal expansion and contraction. When the pump expands due to heat, the ring extends outwards, providing space to compensate for the pump's elongation; conversely, when the pump contracts due to cooling, the ring contracts inwards, ensuring a tight connection in the water pipe. This adaptive adjustment effectively solves the problem of leakage or damage at the water pipe connection during thermal expansion and contraction, improving system stability and lifespan.

[0035] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of protection of this utility model as defined by the appended claims and their equivalents.

Claims

1. A multi-stage pump balancing water pipe structure with intelligent detection and adaptive adjustment functions, characterized in that: The multi-stage pump balancing water pipe structure with intelligent detection and adaptive adjustment functions includes: a high-pressure side flange, a balancing water pipe, a pressure tapping pipe, an instrument valve, a pressure gauge, and a low-pressure side flange. The two ends of the balancing water pipe are fixed to the high-pressure side flange and the low-pressure side flange, respectively. The high-pressure side flange is connected to the high-pressure side of the multi-stage pump, and the low-pressure side flange is connected to the low-pressure side of the multi-stage pump. The balancing water pipe body is equipped with a ring and a pressure tapping pipe. An instrument valve is installed on the pressure tapping pipe, and a pressure gauge is installed on the instrument valve.

2. The multi-stage pump balancing water pipe structure with intelligent detection and adaptive adjustment function according to claim 1, characterized in that: The two ends of the balancing water pipe are fixed to the high-pressure side flange and the low-pressure side flange by welding, respectively.

3. The multi-stage pump balancing water pipe structure with intelligent detection and adaptive adjustment function according to claim 1, characterized in that: The ring is located at 1 / 3 to 2 / 3 of the position of the entire balancing water pipe.

4. The multi-stage pump balancing water pipe structure with intelligent detection and adaptive adjustment function according to claim 1, characterized in that: The diameter of the ring ranges from 100mm to 300mm.

5. The multi-stage pump balancing water pipe structure with intelligent detection and adaptive adjustment function according to claim 1, characterized in that: A pressure tap is installed at a position 1 / 3 to 1 / 2 of the length from the high-pressure side flange to the annulus.

6. The multi-stage pump balancing water pipe structure with intelligent detection and adaptive adjustment function according to claim 1, characterized in that: The pressure gauge is a pressure gauge with a built-in signal transmission module.

7. The multi-stage pump balancing water pipe structure with intelligent detection and adaptive adjustment function according to claim 1, characterized in that: The ring and the balance water pipe are molded as one piece, and the ring is formed by bending the balance water pipe.

8. The multi-stage pump balancing water pipe structure with intelligent detection and adaptive adjustment function according to claim 1, characterized in that: The high-pressure side flange is fixedly connected to the high-pressure side of the multistage pump by screws; the low-pressure side flange is fixedly connected to the low-pressure side of the multistage pump by screws.

9. The multi-stage pump balancing water pipe structure with intelligent detection and adaptive adjustment function according to claim 1, characterized in that: The pressure tapping pipe is installed on the balance water pipe by welding.

10. The multi-stage pump balancing water pipe structure with intelligent detection and adaptive adjustment function according to claim 1 or 3, characterized in that: The pressure tapping pipe is a curved, spiral-shaped pipe.

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