Flowmeter for monitoring sewage discharge
By introducing cleaning components into the flowmeter, the signal attenuation problem caused by electrode surface pollution is solved, and the dirt removal is automated, which reduces equipment maintenance time and improves the stability and operation efficiency of the equipment.
Patent Information
- Application Number
- CN202510577255.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-06
- Publication Date
- 2025-08-01
AI Technical Summary
After using the existing electromagnetic flowmeter for a period of time, the electrode surface is easily covered by sludge, grease or corrosive media, resulting in signal attenuation, and the maintenance process is cumbersome and time-consuming.
A flowmeter for sewage discharge monitoring is designed, equipped with a cleaning assembly, including a support assembly, a rotary shaft, a driving motor and a cleaning brush assembly. The cleaning brush assembly is driven to remove dirt from the electrode surface through the rotary shaft, and a cleaner is sprayed out to remove deposits by spraying a spray head.
It realizes automated dirt removal, reduces manual intervention, shortens equipment maintenance time, and improves equipment stability and operation efficiency.
Smart Images

Figure CN120403801A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of flow meters for sewage discharge monitoring, and particularly to a flow meter for sewage discharge monitoring. Background Art
[0002] Sewage discharge monitoring is a key link in environmental protection compliance, resource management, and industrial production. As a core device, the accuracy, stability, and durability of the flow meter directly affect the monitoring effect.
[0003] The flow meter for sewage discharge monitoring includes an electromagnetic flow meter. Based on Faraday's law of electromagnetic induction, the electromagnetic flow meter calculates the fluid flow rate by measuring the induced electromotive force generated when a conductive liquid cuts the magnetic force lines in a magnetic field.
[0004] After the electromagnetic flow meter is used for a period of time, the surface of its electrodes is easily covered by sludge, grease, or corrosive media, resulting in signal attenuation. When the electrodes need to be cleaned, it is mostly necessary to disassemble the electromagnetic flow meter, and the operation process is relatively cumbersome and the maintenance time is relatively long. Summary of the Invention
[0005] The purpose of the present invention is to solve the deficiencies in the prior art and propose a flow meter for sewage discharge monitoring.
[0006] To achieve the above purpose, the present invention adopts the following technical solutions: A flow meter for sewage discharge monitoring includes a flow meter body. A cleaning component is arranged inside the flow meter body. The cleaning component includes a first support component and a second support component. The first support component and the second support component are arranged on both sides inside the flow meter body, and a rotating shaft is arranged between the first support component and the second support component. The rotating shaft is driven by a driving motor, and an auxiliary cleaning component is arranged on the rotating shaft; The auxiliary cleaning component includes a first mounting ring and a second mounting ring. One side of the first mounting ring and the second mounting ring is connected with a fixing rod through a connecting rod, and a cleaning brush component is arranged on one side of the fixing rod in an inclined manner; One end of the second support component is provided with a T-shaped diversion pipe. A conveying cavity runs through the T-shaped diversion pipe, the second support component, and the inside of the flow meter body. A plurality of second nozzles are arranged on one side of the fixing rod at an inclination at the electrode of the flow meter body, and a plurality of first nozzles are arranged on one side of the fixing rod at equal distances and at an inclination at both ends of the second nozzles.
[0007] Preferably, both the first support component and the second support component include a fixing ring. An extension rod is arranged on the outer wall of the fixing ring, and one end of the extension rod is fixedly connected with the inner wall of the flow meter body.
[0008] Preferably, a placement cavity is formed in the first support assembly, a driving motor is placed in the placement cavity, the output end of the driving motor is connected to the rotating shaft, and the other end of the rotating shaft is connected to the second support assembly through a bearing assembly.
[0009] Preferably, the cleaning brush assembly includes a mounting plate, one side of the mounting plate is connected to a fixed rod, and a plurality of flexible brush hair bodies are arranged at equal intervals on the other side of the mounting plate, and one end of the flexible brush hair body is attached to the inner wall of the flowmeter body.
[0010] Preferably, the inner diameter of the T-shaped diversion pipe is larger than the outer diameter of the bearing assembly.
[0011] Preferably, an auxiliary cavity is formed in the mounting ring two at the position of the T-shaped diversion pipe, and flow cavities are formed between the mounting ring two, the connecting rod and the fixed rod.
[0012] Preferably, the distances from the second nozzle and the first nozzle to the inner wall of the flowmeter body are greater than the distance from the electrode end face of the flowmeter body to the inner wall of the flowmeter body.
[0013] The beneficial effects of the present invention are as follows: In the present invention, after the flowmeter is used for a period of time, the inner wall of the lining in the flowmeter and the outside of the electrode can be cleaned by the cleaning assembly. Among them, through the cooperation of the cleaning brush assembly and the first nozzle and the second nozzle, the suspended matter, sediment and oil in the sewage adhering to the inner wall of the flowmeter lining and the surface of the electrode can be removed, and manual intervention can be reduced, and the equipment downtime for maintenance can be reduced. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 is a schematic structural diagram of a flowmeter for sewage discharge monitoring proposed by the present invention; Figure 2 is a partial cross-sectional structural diagram of a flowmeter for sewage discharge monitoring proposed by the present invention; Figure 3 is Figure 2 the enlarged structural diagram at A in Figure 4 is a cross-sectional structural diagram of the auxiliary cleaning assembly; Figure 5 is Figure 4 the enlarged structural diagram at B in
[0015] In the figure: 1, flowmeter body; 2, cleaning assembly; 21, first support assembly; 22, second support assembly; 23, rotating shaft; 24, driving motor; 25, auxiliary cleaning assembly; 251, mounting ring one; 252, mounting ring two; 253, first nozzle; 254, second nozzle; 255, cleaning brush assembly; 26, T-shaped diversion block; 3, sealing plug; 4, conveying cavity. Detailed implementation mode
[0016] 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. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments.
[0017] Refer to Figures 1-5 , a flowmeter for sewage discharge monitoring, including a flowmeter body 1. A cleaning component 2 is arranged inside the flowmeter body 1. The cleaning component 2 includes a first support component 21 and a second support component 22. The first support component 21 and the second support component 22 are arranged on both sides inside the flowmeter body 1, and a rotating shaft 23 is arranged between the first support component 21 and the second support component 22. The rotating shaft 23 is driven by a driving motor 24, and an auxiliary cleaning component 25 is arranged on the rotating shaft 23; Moreover, the auxiliary cleaning component 25 includes a first mounting ring 251 and a second mounting ring 252. One side of the first mounting ring 251 and the second mounting ring 252 is connected with a fixing rod through a connecting rod, and an inclined cleaning brush assembly 255 is arranged on one side of the fixing rod; Moreover, one end of the second support component 22 is provided with a T-shaped diversion pipe 26. A conveying cavity 4 runs through the T-shaped diversion pipe 26, the second support component 22, and the flowmeter body 1. A plurality of second nozzles 254 are arranged obliquely at the electrode of the flowmeter body 1 on one side of the fixing rod, and a plurality of first nozzles 253 are arranged obliquely at equal distances at both ends of the second nozzles 254 on one side of the fixing rod.
[0018] A sealing plug 3 is inserted on one side of the flowmeter body 1 at the conveying cavity. Through the conveying cavity, a cleaning agent for the flowmeter body 1 can be conveyed, and the cleaning agent is a prior art, so it will not be elaborated in this invention.
[0019] At the same time, both the first support component 21 and the second support component 22 include a fixing ring. An extension rod is arranged on the outer wall of the fixing ring, and one end of the extension rod is fixedly connected with the inner wall of the flowmeter body 1.
[0020] At the same time, a placement cavity is opened in the first support component 21. The driving motor 24 is placed in the placement cavity. The output end of the driving motor 24 is connected with the rotating shaft 23, and the other end of the rotating shaft 23 is connected with the second support component 22 through a bearing assembly.
[0021] Moreover, the cleaning brush assembly 255 includes a mounting plate. One side of the mounting plate is connected with the fixing rod, and a plurality of flexible brush hair bodies are arranged at equal distances on the other side of the mounting plate, and one end of the flexible brush hair body is attached to the inner wall of the flowmeter body 1.
[0022] Furthermore, the inner diameter of the T-shaped diversion pipe 26 is larger than the outer diameter of the bearing assembly.
[0023] Further, an auxiliary cavity is provided at the position of the T-shaped diversion pipe 26 inside the second mounting ring 252, and flow cavities are provided between the second mounting ring 252, the connecting rod, and the fixing rod.
[0024] Moreover, the distances from the second nozzle 254 and the first nozzle 253 to the inner wall of the flowmeter body 1 are greater than the distance from the electrode end face of the flowmeter body 1 to the inner wall of the flowmeter body 1.
[0025] It should be noted that the structure of the flowmeter body 1 refers to an electromagnetic flowmeter, and its model is DQ-DC101. The specific structure, connection method, and working principle of the flowmeter body 1 and the electrodes are all prior arts already disclosed in the market and do not belong to the main technical problems to be solved in the present invention. Therefore, they will not be elaborated in the present invention. The specific structure and working principle of the drive motor 24 are also prior arts already disclosed in the market and do not belong to the main technical problems to be solved in the present invention. Therefore, they will not be elaborated in the present invention.
[0026] Meanwhile, the initial state of the auxiliary cleaning assembly is flush with its extension rod, and the extension rod is in an interleaved state with the electrodes inside the flowmeter.
[0027] It should be noted that the first support assembly 21 is located on one side of the inlet end of the flowmeter, and the spray holes of the first nozzle 254 and the second nozzle 253 both face the second support assembly 22.
[0028] In the present invention, when the flowmeter body 1 is in normal use, the initial state of its auxiliary cleaning assembly is flush with its extension rod, and the extension rod is in an interleaved state with the electrodes inside the flowmeter, and the sealing plug 3 is inserted into the conveying cavity 4 to ensure its sealing performance.
[0029] When it is necessary to clean the flowmeter body 1, stop the use of the flowmeter, control to turn on the drive motor 24, drive the rotating shaft 23 to rotate through the drive motor 24, the rotating shaft 23 drives the auxiliary cleaning assembly 25 to rotate, and inject a cleaning agent into the conveying cavity 4. The cleaning agent flows along the conveying cavity 4, the auxiliary cavity, and the flow cavity, and finally sprays out through the first nozzle 253 and the second nozzle 254. Among them, through the cooperation of the cleaning brush assembly and the settings of the first nozzle 254 and the second nozzle 253, the suspended substances, sediments, and oil stains in the sewage adhering to the inner wall of the flowmeter lining and the electrode surface can be removed, and manual intervention can be reduced, and the equipment downtime for maintenance can be reduced.
[0030] In the present invention, after the flowmeter has been used for a period of time, the cleaning component 2 can clean the inner wall of the lining inside the flowmeter and the outside of the electrodes. Among them, through the setting of the cleaning brush component in cooperation with the first nozzle 254 and the second nozzle 253, the suspended substances, sediments and oil stains in the sewage adhering to the inner wall of the flowmeter lining and the surface of the electrodes can be removed, and manual intervention can be reduced, and the equipment downtime for maintenance can be reduced.
[0031] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and inventive concept of the present invention, making equivalent substitutions or changes should be covered within the protection scope of the present invention.
Claims
1. A flowmeter for sewage discharge monitoring, comprising a flowmeter body (1), characterized in that, A cleaning component (2) is arranged inside the flowmeter body (1). The cleaning component (2) includes a first support component (21) and a second support component (22). The first support component (21) and the second support component (22) are arranged on both sides inside the flowmeter body (1), and a rotating shaft (23) is arranged between the first support component (21) and the second support component (22). The rotating shaft (23) is driven by a driving motor (24), and an auxiliary cleaning component (25) is arranged on the rotating shaft (23). The auxiliary cleaning component (25) includes a first mounting ring (251) and a second mounting ring (252). One side of the first mounting ring (251) and the second mounting ring (252) is connected with a fixing rod through a connecting rod, and an inclined cleaning brush assembly (255) is arranged on one side of the fixing rod. One end of the second support component (22) is provided with a T-shaped diversion pipe (26). A conveying cavity (4) runs through the T-shaped diversion pipe (26), the second support component (22), and the flowmeter body (1). A plurality of second nozzles (254) are arranged obliquely on one side of the fixing rod at the electrode of the flowmeter body (1), and a plurality of first nozzles (253) are arranged obliquely at equal distances at both ends of the second nozzles (254) on one side of the fixing rod.
2. The flowmeter for sewage discharge monitoring according to claim 1, characterized in that, Both the first support component (21) and the second support component (22) include fixing rings. An extension rod is arranged on the outer wall of the fixing ring, and one end of the extension rod is fixedly connected with the inner wall of the flowmeter body (1).
3. The flowmeter for sewage discharge monitoring according to claim 1, characterized in that, A placement cavity is formed inside the first support component (21). The driving motor (24) is placed inside the placement cavity. The output end of the driving motor (24) is connected with the rotating shaft (23), and the other end of the rotating shaft (23) is connected with the second support component (22) through a bearing assembly.
4. A flowmeter for sewage discharge monitoring according to claim 1, characterized in that, The cleaning brush assembly (255) includes a mounting plate. One side of the mounting plate is connected with the fixing rod, and a plurality of flexible brush bodies are arranged at equal distances on the other side of the mounting plate. One end of the flexible brush body is attached to the inner wall of the flowmeter body (1).
5. A flowmeter for sewage discharge monitoring according to claim 1, characterized in that, The inner diameter of the T-shaped diversion pipe (26) is larger than the outer diameter of the bearing assembly.
6. The flowmeter for sewage discharge monitoring according to claim 1, wherein An auxiliary cavity is formed inside the second mounting ring (252) at the position of the T-shaped diversion pipe (26). Flow cavities are formed between the second mounting ring (252), the connecting rod, and the fixing rod.
7. The flowmeter for sewage discharge monitoring according to claim 1, wherein, The distances from the second nozzles (254) and the first nozzles (253) to the inner wall of the flowmeter body (1) are larger than the distance from the electrode end face of the flowmeter body (1) to the inner wall of the flowmeter body (1).