CN213481444U - Strong acid and alkali resistant electromagnetic flowmeter - Google Patents

Abstract

The utility model discloses a strong acid and alkali resistant electromagnetic flowmeter, including sensor, converter, liquid storage body device, operation display area, the sensor lining is acid-proof rubber material, the shell is ferromagnetic material, the central authorities of sensor are surveying the buret, the liquid storage body device is installed to the flow inlet department of liquid flow tube, liquid storage body device comprises liquid storage barrel, inlet, liquid outlet, filter screen, the setting box, the inaccurate problem of survey result is influenced to intraductal liquid not full pipe, survey liquid and have bubble usually or the velocity of flow is inhomogeneous, not full pipe, liquid storage barrel can carry out the accumulation of short time with liquid, full pipe flow direction surveys buret again, the velocity of flow of liquid can only be accurate measurement through surveying the liquid of buret like this, simultaneously, set up setting up setting box and filter screen on liquid storage body device, reached the accurate velocity of flow of measurement, the effect of prolonging survey buret life, the converter is installed to the sensor top, the inside of the converter is an operation display area, so that parameters can be conveniently set manually.

Description

Strong acid and alkali resistant electromagnetic flowmeter

Technical Field

The utility model relates to a liquid technical field that tests the speed specifically is a strong acid and alkali resistant electromagnetic flowmeter.

Background

The electromagnetic flowmeter is a novel flow measuring instrument which is rapidly developed along with the development of electronic technology in the 50-60 th of the 20 th century, and the electromagnetic flowmeter is an instrument which measures the flow of a conductive fluid according to the electromotive force induced when the conductive fluid passes through an external magnetic field by applying the electromagnetic induction principle;

the full pipe of liquid has certain requirement in the in-process of using to managing, must be full pipe, otherwise can trigger full pipe and report to the police, bring the puzzlement for the measurer, and the flowmeter that has used for a long time simultaneously can accumulate certain dirt on the measuring tube inside wall for the accuracy of measuring the velocity of flow can not obtain the assurance.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a strong acid and alkali resistant electromagnetic flowmeter, through set up at electromagnetic flowmeter's survey buret front end and hold liquid body device, intraductal liquid is not full when having solved flow measurement and is influenced the inaccurate problem of measuring result.

In order to achieve the above object, the utility model provides a following technical scheme: a strong acid and alkali resistant electromagnetic flow meter comprises a sensor, a converter, a liquid storage device and an operation display area, wherein the sensor is internally provided with a lining, the sensor is externally provided with a shell, the center of the sensor is a measuring tube, the left side and the right side of the measuring tube are welded with pipelines, the pipelines are welded with a mounting flange, a plurality of holes are arranged on the flange and penetrate through screws to fasten and fix a liquid flow tube, the liquid storage device is arranged at the flow inlet of the liquid flow tube, the main body of the liquid storage device is a liquid storage barrel, a liquid inlet is arranged at the left side above the liquid storage barrel, a liquid outlet is arranged at the right side below the liquid storage barrel, the front end of the liquid outlet is clamped with a filter screen, a hole rotating and mounting settling box is arranged at the bottom of the liquid outlet, a hole welding and mounting pipe column is arranged in the central vertical, the inside of cap is the operation display area, and operation display area upper portion is the display screen, and the lower part is for controlling the key, the left side welding installation threading seat of converter, two screw threads mouth about the threading seat has, and rotatory ply-yarn drill is connected to the screw thread mouth, and the hole alternates the wire in the middle of the rotatory ply-yarn drill.

Preferably, two excitation coils are arranged inside the sensor, and two electrodes are symmetrically arranged inside the pipe wall.

Preferably, the lining of the measuring tube is made of acid-resistant rubber, and the shell is made of ferromagnetic material.

Preferably, the liquid inlet, the liquid outlet, the connection ports of the sedimentation box and the liquid storage barrel are all provided with threaded threads which are in threaded connection.

Preferably, the shell cover is embedded with a glass sheet and is in threaded connection with the converter.

Preferably, the number of the operating keys is four, and the operating keys are an up key, a down key, a compound key and a confirmation key.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the liquid storage device is arranged at a far position at the front end of the measuring pipe, so that the problem that when flow measurement is carried out, the measuring result is inaccurate due to the fact that liquid in the measuring pipe is not full of the liquid is solved, the measuring liquid usually has bubbles or the flow rate is not uniform and not full of the liquid, the liquid can be stored in the liquid storage barrel for a short time, the full liquid flows to the measuring pipe, the flow rate of the liquid can be accurately measured through the liquid of the measuring pipe, and an empty pipe alarm cannot be triggered;

two, the utility model discloses a set up on holding liquid body device and deposit box and filter screen, reached the effect that increases survey buret life, can appear depositing the dirt on the measurement inside pipe wall with having been of a specified duration, influence the measurement accuracy of flowmeter, add on holding liquid body device and establish the effectual fender of sediment box and filter screen and deposit the dirt, the life of the buret of increase.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structural sensor of the present invention;

FIG. 3 is a schematic view of a liquid storage device according to the present invention;

FIG. 4 is a schematic view of the structure of the converter of the present invention;

in the figure: 1. a sensor; 11. a liner; 12. a housing; 13. a measurement tube; 14. a pipeline; 15. a flange; 17. a liquid flow tube; 18. a pipe string; 19. a metal tube; 2. a reservoir device; 21. a liquid storage barrel; 22. A liquid inlet; 23. a liquid outlet; 24. filtering with a screen; 25. a settling box; 3. a converter; 31. a shell cover; 32. a threading seat; 33. a threaded opening; 34. rotating the line card; 35. a wire; 4. an operation display area; 41. a display screen; 42. and (4) operating keys.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 4, the present invention provides a technical solution: a strong acid and alkali resistant electromagnetic flow meter comprises a sensor 1, a converter 3, a liquid storage device 2 and an operation display area 4, wherein the sensor 1 is internally provided with a lining 11, the outer part of the sensor 1 is provided with a shell 12, the center of the sensor 1 is provided with a measuring pipe 13, pipelines 14 are welded on the left side and the right side of the measuring pipe 13, a mounting flange 15 is welded on the pipelines 14, a plurality of holes are arranged on the flange 15, screws are inserted in the holes to fasten and fix a liquid flow pipe 17, the liquid storage device 2 is arranged at a flow inlet of the liquid flow pipe 17, the main body of the liquid storage device 2 is a liquid storage barrel 21, a liquid inlet 22 is arranged at the left side above the liquid storage barrel 21, a liquid outlet 23 is arranged at the right side below the liquid outlet 23, a filter screen 24 is clamped at the front end of the liquid outlet 23, a settling box 25 is arranged at the bottom, the top of tubular metal resonator 19 is by screw fixed mounting converter 3, the rotatory fixed cap 31 of front end of converter 3, the inside of cap 31 be operation display area 4, and 4 upper portions in operation display area are display screen 41, and the lower part is for operating key 42, the left side welding installation threading seat 32 of converter 3, two screw thread mouths 33 about threading seat 32 has, and rotatory ply-yarn drill 34 is connected to screw thread mouth 33, and hole interlude wire 35 in the middle of the rotatory ply-yarn drill 34.

Specifically, two excitation coils are arranged in the sensor 1, the excitation coils generate a constant magnetic field on the cross section of the coils through the help of pole shoes, and two electrodes are symmetrically arranged in the pipe wall and used for measuring induced voltage.

Specifically, the measuring tube 13 has an inner lining 11 made of acid-resistant rubber to prevent short circuit between the conductive liquid and the metal tube 19, and an outer casing 12 made of ferromagnetic material to cover the regular excitation coil and to isolate interference of external magnetic field.

Specifically, the liquid inlet 22, the liquid outlet 23, the sedimentation box 25 and the liquid storage barrel 21 are all provided with threaded wires at the connecting ports and are in threaded connection, so that the installation and disassembly of parts are facilitated, the maintenance is carried out, the sedimentation box 25 is convenient to take, and the sediment is convenient to clean.

Specifically, the cover 31 is embedded with a glass sheet, can be used in an outdoor environment, is not affected by rainwater, and is in threaded connection with the converter 3, so that the operating key 42 can be pressed to set parameters after being rotated and screwed out.

Specifically, the four operation keys 42 are an up key, a down key, a compound key, and a confirm key, and in the automatic measurement state, the electromagnetic flowmeter automatically completes each measurement function and displays corresponding measurement data. In the parameter setting state, the user uses four panel keys to complete the setting of the instrument parameters.

The working principle is as follows: the utility model discloses an open the flowmeter switch, be used for automatic measure or parameter setting, when being surveyed the liquid and reaching and hold liquid body device 2, hold liquid bucket 21 can the short time accumulate liquid, when having reached solution flow measurement, intraductal liquid is not full to manage the coarse problem of influence measuring result, survey buret 13 through the full pipe flow direction of liquid outlet 23 again, the velocity of flow that measures liquid through surveying the liquid of buret 13 could be accurate like this, can not trigger empty pipe warning, and simultaneously, can appear depositing the dirt on surveying buret 13 inner wall with having been of a specified duration, influence the measurement accuracy of flowmeter, set up on holding liquid body device 2 and deposit box 25 and filter screen 24, the precision measurement velocity of flow has been reached, the effect of surveying buret 13 life is surveyed in the extension.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a resistant strong acid-base electromagnetic flowmeter, includes sensor (1), converter (3), holds liquid body device (2), operation display area (4), its characterized in that: the sensor is characterized in that a lining (11) is arranged in the sensor (1), a shell (12) is arranged outside the sensor, a measuring pipe (13) is arranged in the center of the sensor (1), pipelines (14) are welded on the left side and the right side of the measuring pipe (13), a mounting flange (15) is welded on the pipelines (14), a plurality of holes are arranged on the flange (15) and penetrate through screws to tighten and fix a liquid flow pipe (17), a liquid storage device (2) is installed at a flow inlet of the liquid flow pipe (17), a main body of the liquid storage device (2) is a liquid storage barrel (21), a liquid inlet (22) is arranged on the left side above the liquid storage barrel (21), a liquid outlet (23) is arranged on the right side below the liquid storage barrel, a filter screen (24) is clamped at the front end of the liquid outlet (23), a settling box (25) is rotatably installed at the bottom of the orifice, a hole is arranged, tubular metal resonator (19) top is by screw fixed mounting converter (3), the rotatory cap (31) of fixing in front end of converter (3), the inside of cap (31) is operation display area (4), and operation display area (4) upper portion is display screen (41), and the lower part is for operating key (42), left side welding installation threading seat (32) of converter (3), threading seat (32) have two screw thread mouths (33) from top to bottom, and rotatory ply-yarn drill (34) is connected in screw thread mouth (33), and hole interlude wire (35) in the middle of rotatory ply-yarn drill (34).

2. A strong acid and alkaline resistant electromagnetic flow meter according to claim 1, characterized in that: two magnet exciting coils are arranged in the sensor (1), and two electrodes are symmetrically arranged in the pipe wall.

3. A strong acid and alkaline resistant electromagnetic flow meter according to claim 1, characterized in that: the lining (11) in the measuring pipe (13) is made of acid-resistant rubber, and the shell (12) is made of ferromagnetic material.

4. A strong acid and alkaline resistant electromagnetic flow meter according to claim 1, characterized in that: the connecting openings of the liquid inlet (22), the liquid outlet (23), the sedimentation box (25) and the liquid storage barrel (21) are all provided with threaded wires which are in threaded connection.

5. A strong acid and alkaline resistant electromagnetic flow meter according to claim 1, characterized in that: the shell cover (31) is embedded with a glass sheet and is in threaded connection with the converter (3).

6. A strong acid and alkaline resistant electromagnetic flow meter according to claim 1, characterized in that: the total number of the operating keys (42) is four, and the operating keys are respectively an upper key, a lower key, a compound key and a confirmation key.

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