Corrosion-resistant high-precision flowmeter

Abstract

The utility model discloses an anti-corrosion high-precision flow meter which comprises an installation pipeline, an anti-corrosion mechanism is fixedly communicated with the interior of the installation pipeline, a supporting rod is fixedly installed at the top end of the installation pipeline, a flow meter head is arranged at the top end of the supporting rod, and a flow sensor is fixedly installed on the surface of the flow meter head. The corrosion-resistant high-precision flow meter comprises a corrosion-resistant mechanism, the corrosion-resistant mechanism comprises a connecting pipeline and two flow guide pieces, and the two sides of the inner wall of the connecting pipeline are rotationally connected with one ends of the two flow guide pieces respectively. The connecting pipeline has good corrosion resistance, the flow guide pieces on the flow guide piece guide corrosive liquid, and the guide grooves in the guide shell guide the corrosive liquid, so that the corrosive liquid is conveyed into the connecting pipeline, the phenomenon that the corrosive liquid erodes the flowmeter is avoided, and the service life of the flowmeter is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of flow meters, in particular to a highly accurate corrosion-resistant flow meter. Background Technique

[0002] The advantages of highly accurate flow meters mainly include highly accurate measurement, strong stability, wide applicability, strong anti-interference ability, fast response, high stability, and convenient operation and display functions. Highly accurate flow meters can provide highly accurate measurement data, and their measurement accuracy can usually reach between ±0.5% and ±1%, and some are even higher. This high accuracy benefits from their non-contact measurement method based on the principle of electromagnetic induction, which avoids measurement errors caused by mechanical wear. The design without moving parts makes the flow meter not easily affected by wear. Coupled with the adoption of advanced excitation methods and signal processing technologies, it ensures the stability of long-term operation and can maintain high accuracy even under complex working conditions.

[0003] However, traditional highly accurate flow meters have the following disadvantages:

[0004] When traditional highly accurate flow meters detect the flow of corrosive liquids, the corrosive liquids are erosive and can damage the highly accurate flow meters, shortening the service life of the flow meters. Content of the Utility Model

[0005] The purpose of the utility model is to provide a highly accurate corrosion-resistant flow meter to solve the problem that when traditional highly accurate flow meters detect the flow of corrosive liquids, the corrosive liquids are erosive, damage the highly accurate flow meters, and shorten the service life of the flow meters as mentioned in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A highly accurate corrosion-resistant flow meter includes an installation pipeline. An anti-corrosion mechanism is fixedly communicated inside the installation pipeline. A support rod is fixedly installed at the top of the installation pipeline. A flow meter head is provided at the top of the support rod. A flow sensor is fixedly installed on the surface of the flow meter head. The anti-corrosion mechanism includes a connecting pipeline and two flow guiding members. Both sides of the inner wall of the connecting pipeline are respectively rotatably connected to one end of the two flow guiding members. Each of the two flow guiding members includes a flow guiding rod and four flow guiding vanes. A guiding shell is fixedly installed in the middle of the flow guiding rod. Two installation blocks are fixedly installed on the flow guiding rod and are respectively located on both sides of the guiding shell. Both ends of the two installation blocks are respectively fixedly connected to one end of the four flow guiding vanes.

[0007] Preferably, a plurality of guiding grooves are formed on the surface of the guiding shell. Both ends of the guiding rod are rotatably connected to both sides of the inner wall of the connecting pipe. The guiding vanes on the guiding member guide the corrosive liquid, and the guiding grooves in the guiding shell guide the corrosive liquid, so that the corrosive liquid is conveyed into the connecting pipe.

[0008] Preferably, the connecting pipe includes an outer pipe, a support pipe and an inner pipe. The inner side of the outer pipe is fixedly connected to the outer side of the support pipe, and the inner side of the support pipe is fixedly connected to the outer side of the inner pipe. The outer pipe is made of polyvinyl chloride material, the support pipe is made of stainless steel material, and the inner pipe is made of fiberglass material.

[0009] Preferably, both sides of the inner wall of the inner pipe are rotatably connected to the guiding member.

[0010] Preferably, an assembly flange is fixedly installed at the top end of the support rod. A plurality of screws are threadedly connected to the surface of the assembly flange. The assembly flange is fixedly connected to the bottom end of the flowmeter head through the assembly screws. The user screws the screws to assemble the flowmeter head and the assembly flange together.

[0011] Preferably, an assembly plate is fixedly installed at the top end of the flowmeter head, and a handle is fixedly installed at the top end of the assembly plate. The user carries and transports the flowmeter through the handle.

[0012] Preferably, installation flanges are fixedly installed at both ends of the installation pipe. The flowmeter is installed at the usage location through the installation flanges.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows: By providing an anti-corrosion mechanism, the connecting pipe is made of fiberglass, polyvinyl chloride and stainless steel materials, and the connecting pipe has good anti-corrosion performance. The guiding vanes on the guiding member guide the corrosive liquid, and the guiding grooves in the guiding shell guide the corrosive liquid, so that the corrosive liquid is conveyed into the connecting pipe, avoiding the phenomenon that the corrosive liquid erodes the flowmeter and extending the service life of the flowmeter. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is a perspective view of the present utility model;

[0015] Figure 2 is a side view of the present utility model;

[0016] Figure 3 is a cross-sectional view of the anti-corrosion mechanism of the present utility model;

[0017] Figure 4 is a schematic structural diagram of the connecting pipe of the present utility model.

[0018] In the figure: 1, installation pipeline; 2, installation flange; 3, anti-corrosion mechanism; 31, connecting pipeline; 311, outer pipe; 312, support pipe; 313, inner pipe; 32, flow guide member; 321, flow guide rod; 322, flow guide vane; 323, guide housing; 324, guide groove; 325, mounting block; 4, support rod; 5, assembled flange; 6, flowmeter head; 7, assembly plate; 8, flow sensor; 9, handle. Specific implementation mode

[0019] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention.

[0020] Please refer to Figures 1-4 , the present invention provides a highly accurate flowmeter with anti-corrosion function, including an installation pipeline 1, an anti-corrosion mechanism 3 is fixedly connected to the inside of the installation pipeline 1, a support rod 4 is fixedly installed at the top of the installation pipeline 1, a flowmeter head 6 is provided at the top of the support rod 4, and a flow sensor 8 is fixedly installed on the surface of the flowmeter head 6. The anti-corrosion mechanism 3 includes a connecting pipeline 31 and two flow guide members 32. Both sides of the inner wall of the connecting pipeline 31 are rotatably connected to one end of each of the two flow guide members 32. Each of the two flow guide members 32 includes a flow guide rod 321 and four flow guide vanes 322. A guide housing 323 is fixedly installed in the middle of the flow guide rod 321, and two mounting blocks 325 are fixedly installed on the flow guide rod 321 and located on both sides of the guide housing 323 respectively. Both ends of the two mounting blocks 325 are fixedly connected to one end of each of the four flow guide vanes 322.

[0021] A plurality of guide grooves 324 are formed on the surface of the guide housing 323. Both ends of the flow guide rod 321 are rotatably connected to both sides of the inner wall of the connecting pipeline 31. The flow guide vanes 322 on the flow guide member 32 guide the corrosive liquid, and the guide grooves 324 in the guide housing 323 guide the corrosive liquid, so that the corrosive liquid is conveyed into the connecting pipeline 31.

[0022] The connecting pipeline 31 includes an outer pipe 311, a support pipe 312 and an inner pipe 313. The inner side of the outer pipe 311 is fixedly connected to the outer side of the support pipe 312, and the inner side of the support pipe 312 is fixedly connected to the outer side of the inner pipe 313. The outer pipe 311 is made of polyvinyl chloride material, the support pipe 312 is made of stainless steel material, and the inner pipe 313 is made of fiberglass material.

[0023] Both sides of the inner wall of the inner pipe 313 are rotatably connected to the flow guide member 32.

[0024] An assembled flange 5 is fixedly installed at the top of the support rod 4. A plurality of screws are threadedly connected to the surface of the assembled flange 5. The assembled flange 5 is fixedly connected to the bottom end of the flowmeter head 6 through the assembled screws. The user screws the screws to assemble the flowmeter head 6 and the assembled flange 5 together.

[0025] A mounting plate 7 is fixedly installed at the top end of the flowmeter head 6, and a handle 9 is fixedly installed at the top end of the mounting plate 7. The user carries and transports the flowmeter through the handle 9.

[0026] Mounting flanges 2 are fixedly installed at both ends of the installation pipe 1, and the flowmeter is installed at the usage location through the mounting flanges 2.

[0027] When the embodiment of the present application is in use: The flowmeter is installed at the usage location through the mounting flanges 2, and the measured liquid is transported into the connecting pipe 31. The guide vanes 322 on the flow guiding member 32 guide the corrosive liquid, and the guide grooves 324 in the guide housing 323 guide the corrosive liquid, so that the corrosive liquid is transported into the connecting pipe 31. The flow sensor 8 senses the liquid flow in real time, and the value sensed by the flow sensor 8 is intuitively displayed on the flowmeter head 6.

[0028] Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A corrosion-resistant high-precision flow meter, comprising a mounting pipe (1), characterized in that: The interior of the installation pipe (1) is fixedly connected to an anti-corrosion mechanism (3); a support rod (4) is fixedly installed at the top of the installation pipe (1); a flow meter head (6) is provided at the top of the support rod (4); a flow sensor (8) is fixedly installed on the surface of the flow meter head (6); the anti-corrosion mechanism (3) comprises a connecting pipe (31) and two flow guide members (32); two sides of the inner wall of the connecting pipe (31) are rotatably connected to one end of the two flow guide members (32); the two flow guide members (32) each comprise a flow guide rod (321) and four flow guide vanes (322); a guide shell (323) is fixedly installed at the middle of the flow guide rod (321); two mounting blocks (325) are fixedly installed on the flow guide rod (321) and are respectively located on two sides of the guide shell (323); and two ends of the two mounting blocks (325) are respectively fixedly connected to one end of the four flow guide vanes (322).

2. The corrosion-resistant high-precision flow meter according to claim 1, characterized in that: A plurality of guide grooves (324) are provided on the surface of the guide shell (323), and two ends of the guide rod (321) are rotatably connected to two sides of the inner wall of the connecting pipe (31) respectively.

3. The corrosion-resistant high-precision flow meter according to claim 1, characterized in that: The connecting pipe (31) comprises an outer pipe (311), a supporting pipe (312) and an inner pipe (313); the inner side of the outer pipe (311) is fixedly connected to the outer side of the supporting pipe (312); and the inner side of the supporting pipe (312) is fixedly connected to the outer side of the inner pipe (313).

4. The corrosion-resistant high-precision flow meter according to claim 3, characterized in that: Both sides of the inner wall of the inner tube (313) are rotatably connected to the flow guide member (32).

5. The corrosion-resistant high-precision flow meter according to claim 1, characterized in that: An assembly method disc (5) is fixedly mounted on the top end of the support rod (4), a plurality of screws are threadedly connected to the surface of the assembly method disc (5), and the assembly method disc (5) is fixedly connected to the bottom end of the flow meter head (6) via the assembly screws.

6. The corrosion-resistant high-precision flow meter according to claim 1, characterized in that: An assembly plate (7) is fixedly mounted on the top of the flow meter head (6), and a handle (9) is fixedly mounted on the top of the assembly plate (7).

7. The corrosion-resistant high-precision flow meter according to claim 1, characterized in that: Both ends of the installation pipe (1) are fixedly mounted with installation plates (2).

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