A portable flow meter online cleaning device
The portable flow meter online cleaning device, using a high-strength air tank and an electric air source, enables time-division reuse of gas and liquid, solving the problems of complex operation and single medium in existing flow meter cleaning devices, and achieving a high-efficiency, low-cost, and cross-industry applicable cleaning effect.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JIUYI TECHNOLOGY (HEBEI) CO LTD
- Filing Date
- 2025-08-14
- Publication Date
- 2026-05-26
AI Technical Summary
Existing flow meter cleaning devices are cumbersome to operate, rely on professional skills, and are prone to damaging seals if not operated by professionals. They are also inefficient, require shutdown and disassembly of pipelines, and are limited to a single medium, making them unsuitable for various scenarios.
A portable online cleaning device for flow meters was designed. It uses a gas storage tank made of high-strength and corrosion-resistant material, is equipped with an electric air source and quick connectors, realizes gas-liquid time-sharing reuse, is driven by a lithium battery, has a modular design, supports airflow and water flow cleaning, and is equipped with a pressure gauge for real-time monitoring.
It enables convenient and efficient flow meter cleaning, avoids cross-contamination of media, reduces equipment costs and space occupation, has cross-industry versatility, improves production efficiency, and reduces enterprise operating costs.
Smart Images

Figure CN224286040U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of industrial instrument maintenance technology, specifically relating to a portable flow meter online cleaning device. Background Technology
[0002] This utility model relates to the field of industrial instrument maintenance technology, and in particular to an online cleaning device that uses a single storage tank to time-division multiplex compressed air and water media. It is suitable for the non-disassembly maintenance needs of differential pressure flow meters (such as averaging pitot tubes, orifice plates, and Venturi flow meters), and is applicable to various flow meter cleaning scenarios such as dirty and wet gases (such as blast furnace gas, coke oven gas, flue gas, etc.), liquids, and steam, including but not limited to industrial fields that use flow meters such as steel, coking, petroleum, and chemical industries.
[0003] During long-term operation, impurities such as particles, tar, and sulfides in the medium can easily clog the pressure tapping holes of differential pressure flowmeters, leading to increased measurement errors or even failure.
[0004] Existing cleaning devices have the following drawbacks:
[0005] The operation is complicated: it relies on professional skills and requires high technical skills from personnel. Non-professionals are prone to damaging the seals or causing installation errors; it is inefficient: it requires shutdown, disassembly of pipelines, cleaning and re-calibration, and involves many tools (such as wrenches and sealant), making the operation complex; it is limited to a single medium: most devices only support one cleaning method, gas or liquid, which is difficult to adapt to the needs of multiple scenarios (such as gas requiring water washing for explosion prevention, and liquid requiring air blowing for drying). Utility Model Content
[0006] The purpose of this utility model is to provide a portable online cleaning device for flow meters, aiming to solve the problems of cumbersome operation steps, reliance on professional skills (high technical requirements for personnel, non-professionals are prone to damage to seals or cause installation errors); low efficiency (requires shutdown, disassembly of pipelines, cleaning and re-calibration, involving many tools (such as wrenches, sealant), and complex operation); and single media (most devices only support one cleaning method, gas or liquid, making it difficult to adapt to the needs of multiple scenarios (such as gas requiring water washing for explosion prevention, and liquid requiring air blowing for drying).
[0007] To achieve the above objectives, this utility model provides the following technical solution: a portable flow meter online cleaning device, including an air tank, a pressure regulating valve connected to the top surface of the air tank, a pressure gauge connected to one side of the pressure regulating valve, a quick connector connected to the other side of the pressure regulating valve, a medium flow pipe connected to the surface of the air tank, and an electric air source connected to the other end of the medium flow pipe.
[0008] A knob is attached to the top surface of the gas storage tank, and a handle is attached to the surface of the gas storage tank.
[0009] To facilitate quick and easy replacement of the medium, as a portable flow meter online cleaning device of this utility model, preferably, the air tank is made of high-strength corrosion-resistant material, and the knob is threadedly sealed to the top surface of the air tank.
[0010] To facilitate cleaning, in this portable online cleaning device for flow meters, the electric air source is preferably connected to the air storage tank through a medium flow pipe, and the electric air source is driven by a lithium battery.
[0011] To enable quick connection, as a portable online cleaning device for flow meters according to this utility model, preferably, the quick connector is quickly and sealed to the air tube of the flow meter.
[0012] To facilitate the assembly and use of the electric air source, as a portable flow meter online cleaning device of this utility model, preferably, the surface of the electric air source is connected to an air source shell, and the surface of the air source shell near the air storage tank is connected to an assembly block, and the side surface of the assembly block near the air storage tank has an arc-shaped structure.
[0013] To facilitate the stable installation of the electric air source, in this portable online cleaning device for flow meters, preferably, two clamps are connected through the surface of the assembly block, the mating ends of the clamps are connected to clamp heads, and the surface of the clamp heads is threaded with locking screws.
[0014] Compared with the prior art, the beneficial effects of this utility model are:
[0015] This invention utilizes a lithium battery-powered electric air source to drive compressed air from a storage tank. After pressure regulation via a pressure regulating valve, the compressed air is delivered to the flow meter through a quick connector, where the impact force of the airflow removes internal impurities. For liquid cleaning, clean water is injected into the storage tank, and after pressure regulation via a pressure regulating valve, residual dirt is removed by water flow. This design is not only convenient to operate but also effectively avoids cross-contamination, ensuring cleaning effectiveness. Compared to traditional cleaning methods, it significantly reduces equipment costs and space requirements, while possessing excellent cross-industry versatility. Furthermore, the device is equipped with a pressure gauge to display key cleaning pressure parameters in real time, ensuring a safe and controllable cleaning process. The modular design allows for flexible disassembly and replacement of components, further improving maintenance convenience and extending the device's lifespan. This portable gas-liquid time-division multiplexing flow meter online cleaning device, with its significant advantages of high efficiency, low cost, and high versatility, brings a new solution to the field of industrial instrument maintenance, effectively improving production efficiency and reducing enterprise operating costs. Attached Figure Description
[0016] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:
[0017] Figure 1 This is a schematic diagram of the overall assembly structure of the online flow meter cleaning device provided in the embodiments of this application.
[0018] Figure 2 This is a schematic diagram of the disassembly structure of the quick connector provided in the embodiments of this application.
[0019] Figure 3 This is a schematic diagram of the electric pneumatic power supply installation structure provided in an embodiment of this application.
[0020] In the diagram: 1. Gas tank; 101. Handle; 102. Knob; 2. Pressure regulating valve; 3. Pressure gauge; 4. Quick connector; 5. Medium flow pipe; 6. Electric air source; 7. Air source housing; 8. Assembly block; 9. Clamp; 10. Clamp head; 11. Locking screw. Detailed Implementation
[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0022] Please see Figure 1-3 The present invention provides the following technical solution: a portable flow meter online cleaning device, including an air tank 1, a pressure regulating valve 2 connected to the top surface of the air tank 1, a pressure gauge 3 connected to one side of the pressure regulating valve 2, a quick connector 4 connected to the other side of the pressure regulating valve 2, a medium flow pipe 5 connected to the surface of the air tank 1, and an electric air source 6 connected to the other end of the medium flow pipe 5.
[0023] A knob 102 is connected to the top surface of the gas tank 1, and a handle 101 is connected to the surface of the gas tank 1.
[0024] Preferably, the gas storage tank 1 is made of high-strength, corrosion-resistant material, and the knob 102 is threadedly sealed to the top surface of the gas storage tank 1. In practical use, the gas storage tank 1 is used to contain air or water media in a time-sharing manner to realize online cleaning of gas, liquid, and steam flow meters. At the same time, the threaded knob 102 facilitates quick and easy replacement of media.
[0025] Preferably, the electric air source 6 is connected to the air storage tank 1 through the medium flow pipe 5, and the electric air source 6 is driven by a lithium battery. In actual use, the lithium battery-driven electric air source 6 frees the device from the constraints of an external power source, making it portable and capable of continuous operation for several hours.
[0026] Preferably, quick connector 4 is quickly and sealingly connected to the flow meter's air tube.
[0027] Preferably, the surface of the electric air source 6 is connected to an air source housing 7, and the surface of the air source housing 7 near the air tank 1 is connected to an assembly block 8. The surface of the assembly block 8 near the air tank 1 has an arc-shaped structure. In actual use, the use of the air source housing 7 facilitates the support of the electric air source 6.
[0028] Preferably, two clamps 9 are connected through the surface of the assembly block 8, and a clamp head 10 is connected to the mating end of the clamp 9. A locking screw 11 is threaded through the surface of the clamp head 10. In actual use, the electric air source 6 is easily and stably installed by passing the locking screw 11 through the clamp head 10 and threading it.
[0029] The working principle of this utility model is as follows: When cleaning gas or steam flow meters is required, the lithium battery-powered electric air source 6 drives the compressed air in the air storage tank 1. After the pressure is adjusted by the pressure regulating valve 2, the compressed air is delivered to the flow meter through the quick connector 4, using the impact force of the airflow to remove internal impurities. When liquid cleaning is required, cleaning water is injected into the air storage tank 1. Similarly, after adjustment by the pressure regulating valve 2, residual dirt is removed by water flow. This design is not only convenient to operate but also effectively avoids cross-contamination of media, ensuring cleaning effectiveness. Compared with traditional cleaning methods, this device significantly reduces equipment costs and space occupation, while possessing excellent cross-industry versatility. It can achieve stable and efficient cleaning operations in industries with extremely high requirements for instrument accuracy, such as petrochemicals, food and beverage, and pharmaceuticals. In addition, the device is equipped with a pressure monitoring device that can display key cleaning pressure parameters in real time, ensuring the cleaning process is safe and controllable. The modular design allows for flexible disassembly and replacement of components, further improving the ease of maintenance and service life of the equipment. This portable gas-liquid time-division multiplexing flow meter online cleaning device, with its significant advantages of high efficiency, low cost and high versatility, brings a brand-new solution to the field of industrial instrument maintenance, effectively improving production efficiency and reducing enterprise operating costs.
[0030] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.
Claims
1. A portable flow meter online cleaning device, comprising an air storage tank (1), characterized in that: The top surface of the gas storage tank (1) is connected to a pressure regulating valve (2), one side of the pressure regulating valve (2) is connected to a pressure gauge (3), the other side of the pressure regulating valve (2) is connected to a quick connector (4), the surface of the gas storage tank (1) is connected to a medium flow pipe (5), and the other end of the medium flow pipe (5) is connected to an electric air source (6). A knob (102) is connected to the top surface of the gas storage tank (1), and a handle (101) is connected to the surface of the gas storage tank (1).
2. The portable flow meter online cleaning device according to claim 1, characterized in that: The gas storage tank (1) is made of high-strength corrosion-resistant material, and the knob (102) is threadedly sealed to the top surface of the gas storage tank (1).
3. The portable flow meter online cleaning device according to claim 1, characterized in that: The electric air source (6) is connected to the air storage tank (1) through the medium flow pipe (5), and the electric air source (6) is driven by a lithium battery.
4. The portable flow meter online cleaning device according to claim 1, characterized in that: The quick connector (4) is quickly and sealed to the air tube of the flow meter.
5. The portable flow meter online cleaning device according to claim 1, characterized in that: The surface of the electric air source (6) is connected to an air source shell (7), and the surface of the air source shell (7) near the air storage tank (1) is connected to an assembly block (8). The side surface of the assembly block (8) near the air storage tank (1) has an arc-shaped structure.
6. The portable flow meter online cleaning device according to claim 5, characterized in that: Two clamps (9) are connected through the surface of the assembly block (8), and a clamp head (10) is connected to the mating end of the clamp (9). A locking screw (11) is threaded through the surface of the clamp head (10).