Steam conveying pipeline flow detection system

Abstract

The utility model provides a steam conveying pipeline flow detection system. The steam conveying pipeline flow detection system comprises a conveying pipe, a detection pipe connected between the upstream and the downstream of a straight pipe section of the conveying pipe, a turbine flowmeter installed on the detection pipe and a flow compensation device connected to the turbine flowmeter. The turbine flowmeter comprises an impeller installed in the detection pipe, a set of flow guide piles connected to the two sides of the impeller and a signal detector connected to the top of the detection pipe, and the tops of the flow guide piles are connected with the inner wall of the detection pipe through elastic connecting structures. According to the steam conveying pipeline flow detection system, pipeline vibration transmission can be effectively buffered, stress concentration of the flow guide pile and the support is reduced, and the risk of cracks, deformation or fracture is reduced, so that the service life of the steam conveying pipeline flow detection system is prolonged.

Description

Technical Field

[0001] This application relates to the field of steam pipeline network detection technology, specifically to a steam transmission pipeline flow detection system. Background Technology

[0002] In industrial production, steam, as an important energy carrier, is widely used in heating, driving, and other processes. To effectively monitor and optimize the steam transport process, accurate measurement of steam flow within pipelines is crucial. Turbine flow meters are commonly used fluid flow detection devices; by precisely measuring the impeller's rotational speed, they accurately determine the fluid flow rate. Their straight-through structure results in low resistance and low pressure loss, making them suitable for pressure-drop sensitive scenarios in steam systems (such as long-distance pipelines). In contrast, differential pressure instruments such as orifice plate flow meters generate significant pressure losses.

[0003] Turbine flow meters require stable steam flow during detection. Vibration in steam pipelines or the environment can easily lead to decreased flow detection accuracy and equipment damage. While turbine flow meters use guide vanes to stabilize fluid direction, most existing turbine flow meters use rigid connections between the guide vanes and the inner wall of the detection tube via fixed supports, as illustrated in utility model patent CN213041289U. This connection method can amplify vibration transmission, subjecting the guide vanes and fixed supports to continuous stress from vibration. This can cause cracks, deformation, or even breakage at the connection points, affecting the device's lifespan. Furthermore, this connection method hinders the regular disassembly, cleaning, or replacement of critical components such as impellers and bearings, exacerbating equipment wear and tear.

[0004] Therefore, how to overcome the impact of pipeline vibration on steam flow measurement and improve the service life of flow measurement devices is a technical problem that urgently needs to be solved by those skilled in the art. Utility Model Content

[0005] The purpose of this invention is to provide a steam transmission pipeline flow detection system that can effectively buffer the transmission of pipeline vibration, reduce stress concentration in guide piles and supports, reduce the risk of cracks, deformation or breakage, thereby improving the service life of the steam transmission pipeline flow detection system.

[0006] This application is achieved through the following technical solution, specifically:

[0007] A steam transmission pipeline flow detection system includes: a transmission pipe, a detection pipe connected between the upstream and downstream of a straight section of the transmission pipe, a turbine flow meter installed on the detection pipe, and a flow compensation device connected to the turbine flow meter; the turbine flow meter includes an impeller installed inside the detection pipe, a set of guide piles connected to both sides of the impeller, and a signal detector connected to the top of the detection pipe, wherein the top of the guide piles is connected to the inner wall of the detection pipe through an elastic connection structure.

[0008] This solution effectively solves the problems of vibration transmission amplification and easy damage to the connection parts caused by the rigid connection between the flow guide pile and the inner wall of the detection pipe in existing technologies. This not only significantly improves the system's vibration resistance but also reduces flow measurement errors caused by pipeline or environmental vibrations.

[0009] As a preferred option, the elastic connection structure includes a spring fixing seat fixedly disposed on the inner wall of the detection tube, a bracket fixedly connected to the top of the guide pile, and an adapter connecting the bracket and the spring fixing seat; the spring fixing seat is provided with spring limiting members on both sides that engage with the adapter.

[0010] Furthermore, the bottom of the spring fixing seat is provided with a connecting groove, and the side is provided with a limiting groove that communicates with the connecting groove, and the spring limiting member is disposed in the limiting groove.

[0011] Furthermore, the spring limiting member includes a limiting rod, a limiting block connected to one end of the limiting rod, a locking block connected to the other end of the limiting rod, and a spring disposed on the surface of the limiting rod.

[0012] Furthermore, the adapter includes a connecting rod, a first trapezoidal block fixedly connected to the top of the connecting rod, and a second trapezoidal block disposed below the first trapezoidal block and slidably connected to the connecting rod; the spring limiting member is engaged in the slot between the first trapezoidal block and the second trapezoidal block.

[0013] Furthermore, the angles of the hypotenuses of the first trapezoidal block and the second trapezoidal block are adapted to the shape of the spring limiting member.

[0014] Furthermore, the upper surface of the second trapezoidal block is provided with a protrusion, and the lower surface of the first trapezoidal block is provided with a groove corresponding to the protrusion.

[0015] As a preferred option, the delivery pipe and the detection pipe are connected by a flexible connector, which includes at least one of a corrugated pipe or a rubber sleeve.

[0016] The beneficial effects of this application are as follows:

[0017] This application's solution effectively solves the problems of vibration transmission amplification and easy damage to the connection parts caused by the rigid connection between the flow guide pile and the inner wall of the detection pipe in the prior art, by using an elastic connection structure to connect the flow guide pile and the inner wall of the detection pipe. This not only significantly improves the system's vibration resistance but also reduces flow measurement errors caused by pipeline or environmental vibrations.

[0018] In addition to the technical problems solved by this utility model, the technical features constituting the technical solution, and the advantages brought about by the technical features of these technical solutions as described above, other technical problems that this utility model can solve, other technical features contained in the technical solution, and the advantages brought about by these technical features will be further explained in detail with reference to the accompanying drawings. Attached Figure Description

[0019] Figure 1 This is a cross-sectional structural schematic diagram of a steam transmission pipeline flow detection system according to an embodiment of this application;

[0020] Figure 2 This is a cross-sectional schematic diagram of the elastic connection structure in the embodiments of this application.

[0021] Explanation of reference numerals in the attached figures:

[0022] 1. Delivery pipe; 2. Detection pipe; 3. Turbine flow meter; 31. Impeller; 32. Guide pile; 4. Flexible connection structure; 41. Spring fixing seat; 411. Spring limiting component; 412. Connecting groove; 413. Limiting groove; 414. Limiting rod; 415. Limiting block; 416. Locking block; 417. Spring; 42. Bracket; 43. Adapter; 431. Connecting rod; 432. First trapezoidal block; 433. Second trapezoidal block; 434. Protrusion. Detailed Implementation

[0023] The following will be combined with the appendix Figures 1-2 The embodiments of the technical solution of this application are described in detail below. The following embodiments are only used to more clearly illustrate the technical solution of this application, and are therefore merely examples and should not be used to limit the scope of protection of this application. Furthermore, the technical features involved in the various embodiments of this utility model described below can be combined with each other as long as they do not conflict with each other.

[0024] In view of the problems existing in the background technology or products, Figure 1 This paper shows a schematic diagram of the structure of a steam transmission pipeline flow detection system according to an embodiment of the present application. Figure 2 A cross-sectional schematic diagram of the elastic connection structure in an embodiment of this application is shown. Figures 1-2As shown, this application provides a steam transmission pipeline flow detection system, including: a transmission pipe 1, a detection pipe 2 connected between the upstream and downstream of a straight section of the transmission pipe 1, a turbine flow meter 3 installed on the detection pipe 2, and a flow compensation device connected to the turbine flow meter 3;

[0025] The turbine flow meter 3 includes an impeller 31 installed inside the detection tube 2, a set of guide piles 32 connected to both sides of the impeller 31, and a signal detector connected to the top of the detection tube 2. The top of the guide piles 32 is connected to the inner wall of the detection tube 2 through an elastic connection structure 4.

[0026] Specifically, the conveying pipe 1 is the main pipeline for steam conveying, and the detection pipe 2 is connected between the upstream and downstream of the straight section of the conveying pipe 1, used to install the turbine flow meter 3 for flow detection. The flow compensation device is used to compensate for factors such as temperature and pressure in the measurement results of the turbine flow meter 3, improving measurement accuracy. The turbine flow meter 3 is the core component for flow detection, and its structure includes an impeller 31, guide posts 32, and a signal detector 33. The impeller 31 is installed inside the detection pipe 2 and rotates under the impact of the steam flow. The guide posts 32 are located on both sides of the impeller 31, and their function is to guide the steam flow towards the impeller 31, improving measurement accuracy and preventing direct steam impact on the impeller 31 and causing damage. Preferably, the guide posts 32 have a streamlined or conical structure. Figure 2 The conical guide post 32 is shown. A signal detector is mounted on top of the detection tube 2 to detect the rotational speed of the impeller 31 and convert it into a flow rate signal (not shown in the figure). The elastic connection structure 4 uses the deformation of the elastic element to absorb the vibration energy of the detection tube 2, avoiding the amplification of vibration transmission caused by the rigid connection.

[0027] In one implementation, the elastic connection structure 4 includes a spring fixing seat 41 fixedly disposed on the inner wall of the detection tube 2, a bracket 42 fixedly connected to the top of the guide pile 32, and a converter 43 connecting the bracket 42 and the spring fixing seat 41; spring limiting members 411 that engage with the converter 43 are provided on both sides of the spring fixing seat 41.

[0028] Specifically, the spring fixing seat 41 is fixed to the inner wall of the detection tube 2. The fixing connection can be achieved through welding, bolting, or other methods to ensure its firmness and reliability. Preferably, the spring fixing seat 41 has a connecting groove 412 at its bottom and a limiting groove 413 communicating with the connecting groove 412 on its side, with the spring limiting member 411 disposed within the limiting groove 413. The connecting groove 412 provides installation space for the adapter 43, facilitating the connection between the adapter 43 and the spring fixing seat 41. The limiting groove 413 restricts the range of motion of the spring limiting member 411.

[0029] The adapter 43 connects the bracket 42 and the spring fixing seat 41 by snapping with the spring limiting member 411, forming an integral elastic connection structure. Thus, when the diversion pile 32 is subjected to vibration, the compression and elongation of the spring limiting member 411 restricts the displacement of the adapter 43, effectively absorbing and buffering the vibration.

[0030] Preferably, the spring limiting member 411 includes a limiting rod 414, a limiting block 415 connected to one end of the limiting rod 414, a locking block 416 connected to the other end of the limiting rod 414, and a spring 417 disposed on the surface of the limiting rod 414. Specifically, the locking block 416 is located at one end of the limiting rod 414 and contacts the adapter 43. By limiting the compression of the spring 417 when the adapter 43 moves within the connecting groove 412, the locking with the adapter 43 is achieved.

[0031] In one implementation, the adapter 43 includes a connecting rod 431, a first trapezoidal block 432 fixedly connected to the top of the connecting rod 431, and a second trapezoidal block 433 disposed below the first trapezoidal block 432 and slidably connected to the connecting rod 431; the spring limiting member 411 is engaged in the slot between the first trapezoidal block 432 and the second trapezoidal block 433.

[0032] Specifically, the clamping process of the adapter 43 is achieved as follows: when the adapter 43 is inserted into the connecting groove 412, the first trapezoidal block 432 presses against the spring limiting member 411. After the first trapezoidal block 432 passes through the limiting groove 413 where the spring limiting member 411 is located, the locking block 416 of the spring limiting member 411 is released and locks into the groove between the first trapezoidal block 432 and the second trapezoidal block 433, abutting against the connecting rod 431, thus realizing the installation of the guide pile 32. When the guide pile 32 is affected by vibration, the vibration energy is transferred to the spring limiting member 411 through the connection between the bracket 42 and the connecting rod 431, and the vibration energy is absorbed through elastic deformation.

[0033] The process of disengaging the adapter 43 is achieved as follows: the adapter 43 continues to extend upward, causing the second trapezoidal block 433 to press against the spring limiting member 411. After the second trapezoidal block 433 passes through the limiting groove 413 where the spring limiting member 411 is located, the adapter 43 moves downward. During the movement, the first trapezoidal block 432 and the second trapezoidal block 433 come into contact with each other, pressing against the spring limiting member 411, and together they disengage from the connecting groove 412.

[0034] Preferably, the angles of the hypotenuses of the first trapezoidal block 432 and the second trapezoidal block 433 are adapted to the shape of the spring limiting member 411. This connection method ensures that the spring limiting member 411 can smoothly engage with the contact surfaces between the trapezoidal blocks during the locking and unlocking process of the adapter 43.

[0035] Preferably, the upper surface of the second trapezoidal block 433 is provided with a protrusion 434, and the lower surface of the first trapezoidal block 432 is provided with a groove corresponding to the protrusion 434. This allows the first trapezoidal block 432 and the second trapezoidal block 433 to fit tightly together during the disengagement process.

[0036] The connection method of this embodiment makes the turbine flow meter easy to maintain and replace. When it is necessary to clean or replace the impeller 31, the adapter 43 and the limiting rod 414 can be removed together according to the above-described disconnection process, which simplifies the maintenance process and extends the service life of the equipment.

[0037] In one implementation, the delivery pipe 1 and the detection pipe 2 are connected by a flexible connector, which includes at least one of a corrugated pipe or a rubber sleeve.

[0038] Specifically, the elastic properties of the bellows or rubber sleeve can effectively absorb and buffer vibrations from the delivery pipe 1, preventing the vibrations from being directly transmitted to the detection pipe 2, thereby reducing the impact on the turbine flow meter 3. Furthermore, the use of flexible connectors can also compensate for pipe displacement caused by factors such as thermal expansion and contraction to a certain extent, ensuring the stability and reliability of the system under different operating conditions.

[0039] In the description of the embodiments of this application, unless otherwise expressly specified and limited, technical terms such as "set", "equipped with", "connected", and "installed" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in the embodiments of this application according to the specific circumstances.

[0040] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model.

Claims

1. A steam transmission pipeline flow detection system, characterized in that, include: The delivery pipe (1), the detection pipe (2) connected between the upstream and downstream of the straight pipe section of the delivery pipe (1), the turbine flow meter (3) installed on the detection pipe (2) and the flow compensation device connected to the turbine flow meter (3); The turbine flow meter (3) includes an impeller (31) installed in the detection tube (2), a set of guide piles (32) connected to both sides of the impeller (31), and a signal detector connected to the top of the detection tube (2). The top of the guide piles (32) is connected to the inner wall of the detection tube (2) through an elastic connection structure (4).

2. The steam transmission pipeline flow detection system as described in claim 1, characterized in that, The elastic connection structure (4) includes a spring fixing seat (41) fixedly disposed on the inner wall of the detection tube (2), a bracket (42) fixedly connected to the top of the guide pile (32), and a connector (43) connecting the bracket (42) and the spring fixing seat (41); The spring fixing seat (41) is provided with spring limiting members (411) on both sides that engage with the adapter (43).

3. The steam transmission pipeline flow detection system as described in claim 2, characterized in that, The spring fixing seat (41) has a connecting groove (412) at the bottom and a limiting groove (413) communicating with the connecting groove (412) on the side. The spring limiting member (411) is disposed in the limiting groove (413).

4. The steam transmission pipeline flow detection system as described in claim 2 or 3, characterized in that, The spring limiting member (411) includes a limiting rod (414), a limiting block (415) connected to one end of the limiting rod (414), a locking block (416) connected to the other end of the limiting rod (414), and a spring (417) disposed on the surface of the limiting rod (414).

5. The steam transmission pipeline flow detection system as described in claim 2, characterized in that, The adapter (43) includes a connecting rod (431), a first trapezoidal block (432) fixedly connected to the top of the connecting rod (431), and a second trapezoidal block (433) disposed below the first trapezoidal block (432) and slidably connected to the connecting rod (431); The spring limiting member (411) is engaged in the slot between the first trapezoidal block (432) and the second trapezoidal block (433).

6. The steam transmission pipeline flow detection system as described in claim 5, characterized in that, The angles of the hypotenuses of the first trapezoidal block (432) and the second trapezoidal block (433) are adapted to the shape of the spring limiting member (411).

7. The steam transmission pipeline flow detection system as described in claim 5, characterized in that, The upper surface of the second trapezoidal block (433) is provided with a protrusion (434), and the lower surface of the first trapezoidal block (432) is provided with a groove corresponding to the protrusion (434).

8. The steam transmission pipeline flow detection system as described in claim 1, characterized in that, The delivery pipe (1) and the detection pipe (2) are connected by a flexible connector, which includes at least one of a corrugated pipe or a rubber sleeve.

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