Electromagnetic flowmeter with flushing anti-blocking structure

Abstract

The utility model discloses an electromagnetic flowmeter with a flushing anti-blocking structure, which relates to the technical field of electromagnetic flowmeters and comprises a flowmeter body, a measuring pipeline is arranged at the lower end of the flowmeter body, flushing anti-blocking components are arranged at the left end and the right end of the measuring pipeline, and each flushing anti-blocking component comprises a connecting pipeline. The two connecting pipelines are fixedly connected to the left side and the right side of the measuring pipeline through connecting flanges respectively, two mounting grooves are formed in the outer surfaces of the connecting pipelines in a penetrating mode, plugging blocks are inserted into the inner sides of the mounting grooves, and a filter screen is fixedly connected to the lower end of the plugging block on the side away from the measuring pipeline; according to the electromagnetic flowmeter, the filter screen is arranged to block large solid particles, the large solid particles are prevented from entering the measuring pipeline to cause blockage and influence the performance of the electromagnetic flowmeter, and meanwhile, the water spray nozzles are arranged to flush the inner wall of the pipeline from the two ends of the measuring pipeline and clean the inner wall of the pipeline.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of electromagnetic flowmeter, concretely relates to an electromagnetic flowmeter with flushing anti -blocking structure. BACKGROUND

[0002] Electromagnetic flowmeter is the important instrument that is widely used in industrial flow measurement, is especially applicable to the flow measurement of conductive medium, and its working principle is based on Faraday's law of electromagnetic induction, installs the magnetic field in the pipeline, and measures the induced electromotive force generated when the conductive fluid passes through the pipeline to calculate the flow.

[0003] When the liquid contains many solid particles in the process of using electromagnetic flowmeter, these particles can deposit in the electrode part or pipeline in the flowmeter, cause the blockage of flowmeter or the inaccuracy of signal transmission, influence the measurement accuracy and reliability, and therefore, an electromagnetic flowmeter with flushing anti -blocking structure is provided to solve the problems in the above. UTILITY MODEL CONTENT

[0004] To solve the above technical problem, provide a kind of electromagnetic flowmeter with flushing anti -blocking structure, the technical scheme of the present application solves the problem that electromagnetic flowmeter is proposed in the above background art in the process of using, when the liquid contains many solid particles, these particles can deposit in the electrode part or pipeline in the flowmeter, cause the blockage of flowmeter or the inaccuracy of signal transmission, influence the measurement accuracy and reliability.

[0005] To achieve the above purpose, the technical scheme adopted by the utility model is as follows:

[0006] An electromagnetic flowmeter with flushing anti -blocking structure, including flowmeter main part, the lower end of flowmeter main part is provided with measuring pipeline, and the left and right ends of measuring pipeline are both provided with flushing anti -blocking component;

[0007] Wherein, the flushing anti -blocking component includes connecting pipeline, two connecting pipelines are fixedly connected on the left and right sides of measuring pipeline respectively by connecting flange, two installation grooves are formed on the outer surface of connecting pipeline, the inner side of installation groove is inserted with blocking block, the lower end of the blocking block away from measuring pipeline side is fixedly connected with filter screen, the lower end of the blocking block close to measuring pipeline side is fixedly connected with arc-shaped fixed plate, the inside of arc-shaped fixed plate is provided with water delivery channel, and the end of arc-shaped fixed plate close to measuring pipeline is fixedly connected with a plurality of evenly distributed water spray nozzles, the upper end of two blocking blocks is fixedly connected with moving plate, the outer surface of arc-shaped fixed plate and the corresponding position of water delivery channel inlet are fixedly connected with water delivery pipe, and the end of water delivery pipe away from arc-shaped fixed plate is sequentially penetrated through the lower end of inner blocking block and the lower end of moving plate and extends to the upper end of moving plate.

[0008] Preferably, the outer surface of the measuring pipeline is provided with a blowdown opening penetrating through the side close to the two connecting pipelines, and a blowdown pipe is fixedly connected to the corresponding position of the outer surface of the measuring pipeline and the blowdown opening.

[0009] Preferably, the outer surface of the connecting pipeline is fixedly connected with two symmetrically distributed supporting plates, the upper end of the supporting plate is fixedly connected with a supporting frame, the upper end of the supporting frame is threadedly connected with a threaded rod, one end of the threaded rod penetrates through the upper end of the supporting frame and is rotatably provided with a bearing, and the lower end of the bearing is fixedly connected with the upper end of the moving plate.

[0010] Preferably, the front and rear inner walls of the supporting frame are provided with guide grooves, and the guide grooves are slidably connected with limiting plates.

[0011] Preferably, the two limiting plates are fixedly connected to the front and rear sides of the moving plate, respectively.

[0012] Preferably, the connecting part of the sealing block and the mounting groove is fixedly connected with a sealing rubber strip.

[0013] The utility model has the beneficial effects compared with prior art:

[0014] The utility model discloses a kind of electromagnetic flowmeter with flushing anti-blocking structure, by setting filter screen, the solid particles of larger block are blocked, avoid larger solid particles to enter measuring pipeline and cause blockage, influence the performance of electromagnetic flowmeter, while filter screen adopts detachable design, can be extracted from connecting pipeline to facilitate cleaning, arc fixed plate is provided with water delivery channel in its inside, and is connected with several evenly distributed water jet nozzles in the side close to measuring pipeline, can flush the inner wall of pipeline from the both ends of measuring pipeline, can quickly clean the inner wall of pipeline, impurities after flushing are discharged through blowdown pipe, facilitate to clean and maintain measuring pipeline. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the structural schematic diagram of the utility model;

[0016] Figure 2 It is the structural schematic diagram of flushing anti-blocking assembly in the utility model;

[0017] Figure 3 It is the structural schematic diagram of mounting groove in the utility model;

[0018] Figure 4 It is the structural schematic diagram of filter screen in the utility model;

[0019] Figure 5 It is the structural schematic diagram of arc fixed plate in the utility model;

[0020] Figure 6The utility model discloses a structure diagram of sewage outlet.

[0021] The reference signs in the drawing are:

[0022] 1, flowmeter main body;2, measuring pipeline;

[0023] 3, flush anti -blocking subassembly;301, connecting pipeline;302, mounting groove;303, block up;304, filter screen;305, arc fixed plate;306, water delivery channel;307, water jet nozzle;308, moving plate;309, water delivery pipe;3010, support plate;3011, support frame;3012, threaded rod;3013, bearing;3014, guide slot;3015, limit plate;

[0024] 4, sewage outlet;5, sewage pipe;6, sewage valve. DETAILED DESCRIPTION

[0025] The following description is used to disclose the utility model so that those skilled in the art can realize the utility model. The preferred embodiments in the following description are only as examples, and other obvious variants can be thought of by those skilled in the art.

[0026] Referring to Figures 1-6 As shown in the figure, an electromagnetic flowmeter with flush anti-blocking structure, including flowmeter main body 1, the lower end of flowmeter main body 1 is provided with measuring pipeline 2, and the left and right ends of measuring pipeline 2 are provided with flush anti-blocking subassembly 3;

[0027] Wherein, flush anti-blocking subassembly 3 includes connecting pipeline 301, two connecting pipelines 301 are fixedly connected on the left and right sides of measuring pipeline 2 through connecting flange respectively, two mounting grooves 302 are opened through the outer surface of connecting pipeline 301, block up 303 is inserted in the inner side of mounting groove 302, the lower end of block up 303 away from measuring pipeline 2 is fixedly connected with filter screen 304, the lower end of block up 303 close to measuring pipeline 2 is fixedly connected with arc fixed plate 305, water delivery channel 306 is arranged in the inside of arc fixed plate 305, a plurality of evenly distributed water jet nozzles 307 are fixedly connected on the end of arc fixed plate 305 close to measuring pipeline 2, the upper end of two block ups 303 is fixedly connected with moving plate 308, water delivery pipe 309 is fixedly connected at the corresponding position of the outer surface of arc fixed plate 305 and water inlet of water delivery channel 306, the end of water delivery pipe 309 away from arc fixed plate 305 penetrates the lower end of inner block up 303 and the lower end of moving plate 308 in proper order and extends to the upper end of moving plate 308.

[0028] Further, the connecting part of the blocking block 303 and the installation groove 302 is fixedly connected with a sealing rubber strip, the blocking block 303 is used for sealing the installation groove 302, and the sealing rubber strip can effectively prevent liquid in the pipeline from leaking out of the connecting part of the blocking block 303 and the installation groove 302.

[0029] Further, the filter screen 304 can block larger solid particles, prevent larger solid particles from entering the measuring pipeline 2 to cause blockage, and affect the performance of the electromagnetic flowmeter.

[0030] Further, the water supply pipe 309 is communicated with an external water source, the water supply amount of the water source is controlled through a valve, water can be delivered into the water supply channel 306 through the water supply pipe 309 and sprayed out through the water jet nozzle 307, and then the inner wall of the measuring pipeline 2 is flushed, and the inner wall of the measuring pipeline 2 can be quickly cleaned by flushing from both ends of the measuring pipeline 2.

[0031] Further, the outer surface of the measuring pipeline 2 is provided with a sewage outlet 4 near one side of the two connecting pipelines 301, the outer surface of the measuring pipeline 2 is fixedly connected with a sewage pipe 5 at the corresponding position of the sewage outlet 4, and the sewage pipe 5 is provided with a sewage valve 6.

[0032] Further, the outer surface of the connecting pipeline 301 is fixedly connected with two symmetrically distributed supporting plates 3010, the upper end of the supporting plate 3010 is fixedly connected with a supporting frame 3011, the upper end of the supporting frame 3011 is threadedly connected with a threaded rod 3012, one end of the threaded rod 3012 penetrates the upper end of the supporting frame 3011 and rotates with a bearing 3013, and the lower end of the bearing 3013 is fixedly connected with the upper end of the moving plate 308.

[0033] Further, the threaded rod 3012 can drive the moving plate 308 to move up and down by rotating the threaded rod 3012, the moving plate 308 moves up to drive the blocking block 303 to move up, and then the filter screen 304 and the water jet nozzle 307 are taken out of the connecting pipeline 301, which is convenient for maintenance.

[0034] Further, the front and rear inner walls of the supporting frame 3011 are provided with guide grooves 3014, the guide grooves 3014 are slidably connected with limiting plates 3015, and the two limiting plates 3015 are respectively fixedly connected to the front and rear sides of the moving plate 308. The limiting plate 3015 is used for limiting the moving plate 308, so that it can move up and down stably.

[0035] Further, the two ends of the connecting pipeline 301 and the measuring pipeline 2 are provided with connecting flanges for convenient connection with other equipment.

[0036] Working principle: when in use, the connecting pipe 301 is installed on the left and right sides of the measuring pipe 2 through the connecting flanges, the other end of the connecting pipe 301 is connected with the liquid conveying pipe, in the normal working state, the liquid flows through the measuring pipe 2, the electromagnetic flowmeter body 1 measures the fluid flow through the electromagnetic induction principle, the filter screen 304 can block the larger solid particles, avoid the larger solid particles from entering the measuring pipe 2 to cause blockage, and influence the performance of the electromagnetic flowmeter, when it is necessary to clean and maintain the inner wall of the measuring pipe 2, the valve of the external water source is opened and the appropriate water flow is adjusted, at the same time, the blowdown valve 6 is opened, the water conveying pipe 309 will convey water to the water conveying channel 306, then the water is sprayed out through the uniformly distributed water spray nozzles 307, the inner wall of the measuring pipe 2 is washed, and the impurities washed down are discharged outside the pipe through the blowdown pipe 5, when it is necessary to clean, check or replace the filter screen 304 or the water spray nozzle 307, the movable plate 308 can be driven to move up through the rotating threaded rod 3012, the filter screen 304 and the water spray nozzle 307 are taken out from the connecting pipe 301 for maintenance.

[0037] The basic principle, main features and advantages of the utility model are shown and described above. It should be understood by the person skilled in the art that the utility model is not limited by the above-mentioned embodiments, the above-mentioned embodiments and the description in the specification are only the principles of the utility model, various changes and improvements of the utility model can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed for protection. The protection scope required by the utility model is defined by the appended claims and equivalents thereof.

Claims

1. An electromagnetic flowmeter having a flush anti-jamming structure, characterized by, The utility model relates to a kind of flowmeter, including flowmeter body (1), the lower end of flowmeter body (1) is provided with measuring pipe (2), and the left and right ends of measuring pipe (2) are provided with flush anti-blocking assembly (3); Wherein, the flush anti-blocking assembly (3) includes connecting pipe (301), two connecting pipe (301) are fixedly connected on the left and right sides of measuring pipe (2) respectively by connecting flange, two installation grooves (302) are opened on the outer surface of connecting pipe (301), and the inner side of installation groove (302) is inserted with block (303), the lower end of block (303) away from measuring pipe (2) side is fixedly connected with filter screen (304), the lower end of block (303) close to measuring pipe (2) side is fixedly connected with arc fixed plate (305), arc fixed plate (305) is provided with water delivery channel (306) inside, and arc fixed plate (305) is fixedly connected with several evenly distributed water jet nozzles (307) on the end close to measuring pipe (2), the upper end of two block (303) is fixedly connected with moving plate (308), the outer surface of arc fixed plate (305) is fixedly connected with water delivery pipe (309) at the corresponding position of water inlet of water delivery channel (306), and the end of water delivery pipe (309) away from arc fixed plate (305) penetrates the lower end of inner block (303) and the lower end of moving plate (308) in sequence and extends to the upper end of moving plate (308).

2. The electromagnetic flowmeter with flushing anti-blocking structure according to claim 1, characterized in that: The outer surface of measuring pipe (2) is fixedly connected with blow-off pipe (5) at the corresponding position of blow-off port (4), and blow-off valve (6) is arranged on blow-off pipe (5).

3. The electromagnetic flowmeter with flushing anti-blocking structure according to claim 1, characterized in that: The outer surface of connecting pipe (301) is fixedly connected with two symmetrically distributed support plates (3010), the upper end of support plate (3010) is fixedly connected with support frame (3011), the upper end of support frame (3011) is threadedly connected with threaded rod (3012), one end of threaded rod (3012) penetrates the upper end of support frame (3011) and rotates bearing (3013), and the lower end of bearing (3013) is fixedly connected with the upper end of moving plate (308).

4. The electromagnetic flowmeter with flushing anti-blocking structure according to claim 3, characterized in that: The front and rear inner walls of support frame (3011) are both provided with guide slot (3014), and limit plate (3015) is slidably connected in guide slot (3014).

5. The electromagnetic flowmeter with flushing anti-blocking structure according to claim 4, characterized in that: Two limit plates (3015) are fixedly connected to the front and rear sides of moving plate (308) respectively.

6. The electromagnetic flow meter with flushing anti-blocking structure according to claim 1, characterized in that: The connecting portion of block (303) and installation groove (302) is fixedly connected with sealing rubber strip.

Images