CN210719287U - Electromagnetic flowmeter for metallurgical industry - Google Patents

Abstract

The utility model provides an electromagnetic flow meter for metallurgical industry, belonging to the technical field of electromagnetic flow meters, comprising: a pipe body, an inlet, a measuring pipe, an outlet, a connecting flange, a high temperature resistant layer, a heat insulation layer, a mesh layer, a Grinding layer, barb, electrode, shell, main body layer, mesh layer two, anti-corrosion coating, homogeneous magnetic plate, iron core, coil winding, yoke, connecting rod and measuring instrument. By setting the first and second net layers, the electromagnetic flow meter used in the metallurgical industry can move forward to isolate the influence of the external electromagnetic field when measuring the metallurgical industry, so that the measurement is more accurate. The net layer one and the second net layer can be composed of The complete mesh protective layer makes the mesh layer 1 and mesh layer 2 form a complete electrostatic shield on the outer wall of the tube and the inner wall of the shell, so that the external electromagnetic field cannot interfere with the electromagnetic field of the inner wall of the shell, so that the electromagnetic flow meter does not work. The interference of the external electromagnetic field makes the measurement more accurate.

Description

An electromagnetic flow meter for metallurgical industry

technical field

The utility model relates to the technical field of electromagnetic flow meters, in particular to an electromagnetic flow meter for metallurgical industry.

Background technique

With the development of society, the demand for water consumption in various industries and residents is increasing. In particular, electromagnetic flow meters are more and more widely used in the measurement of urban water supply measurement parameters, which increases the workload of water meter measurement. Mechanical water meters have been unable to meet the requirements of today's social water consumption;

In the prior art, when the electromagnetic flow meter is measuring, the external electromagnetic field easily affects the measurement, making the measurement inaccurate, and when the metallurgical industry fluid is measured, the metallurgical industry fluid is high temperature, and the general electromagnetic flow meter cannot withstand high temperature. Therefore, there is an urgent need for An electromagnetic flow meter for metallurgical industry.

Utility model content

The utility model aims to solve the problems raised in the background technology, thereby providing an electromagnetic flow meter for metallurgical industry.

In order to achieve the above purpose, the utility model provides the following technical solutions: an electromagnetic flow meter for metallurgical industry, comprising: a pipe body, an inlet, a measuring tube, an outlet, a connecting flange, a high temperature resistant layer, a heat insulation layer, a mesh layer, a Wear-resistant layer, barb, electrode, shell, main body layer, mesh layer 2, anti-corrosion coating, homogeneous magnetic plate, iron core, coil winding, magnetic yoke, connecting rod and measuring instrument, the pipe body is fixedly connected in the middle. There is a measuring tube, the left end of the measuring tube is fixedly connected with an inlet, the right end of the measuring tube is fixedly connected with an outlet, both ends of the tube body are fixedly connected with a connecting flange, and the connecting flange is fixed with the inlet and the outlet The inner wall of the inlet is fixedly connected with a number of barbs, the inner wall of the measuring tube is fixedly connected with electrodes on both sides, the outer wall of the measuring tube is fixedly connected with a casing, and the inner bottom end and the top end of the casing are fixedly connected A magnetic homogenization plate is provided, and the inner surface of the magnetic homogenization plate is fixedly connected with the outer wall of the measuring tube, the outer surfaces of the two magnetic homogenization plates are fixedly connected with an iron core, and the outer walls of the two iron cores are fixedly connected with a coil winding, A magnetic yoke is fixedly connected on the outer side of one end of the two iron cores, a connecting rod is fixedly connected at the top of the outer wall of the casing, and a measuring instrument is fixedly connected at the top of the connecting rod;

The inner wall of the pipe is fixedly connected with a high temperature resistant layer, the outer wall of the high temperature resistant layer is fixedly connected with a heat insulation layer, the outer wall of the heat insulation layer is fixedly connected with a mesh layer one, and the outer wall of the mesh layer one is fixedly connected with a mesh layer. There is a wear-resistant layer, and the wear-resistant layer is fixedly connected to the shell;

The inner wall of the shell is fixedly connected with a main body layer, the outer wall of the main body layer is fixedly connected with a second mesh layer, and the outer wall of the second mesh layer is coated with an anti-corrosion coating.

Preferably, the first mesh layer and the second mesh layer are connected to form a concentric annular sealed circuit structure.

Preferably, the inlet, the measuring tube and the outlet form a Venturi tube structure.

Preferably, the barbs are evenly distributed, and the pouring direction of the barbs is opposite to the flow direction of the fluid.

Preferably, the measuring instrument is electrically connected to the coil winding.

Preferably, the two electrodes are arranged opposite to each other, and the electrodes are opposite to each other, and the central axes of the two electrodes are parallel to the homogeneous magnetic plate.

Preferably, the magnetic yoke is cylindrical.

The utility model provides an electromagnetic flow meter for metallurgical industry, which has the following beneficial effects:

1. The electromagnetic flow meter for metallurgical industry is set up with the first and second network layers, so that the electromagnetic flow meter for metallurgical industry can be isolated from the influence of the external electromagnetic field when measuring the metallurgical industry, so that the measurement is more accurate. The first and second mesh layers can form a complete mesh protective layer, so that the first and second mesh layers form a complete electrostatic shield on the outer wall of the tube and the inner wall of the shell, so that the external electromagnetic field cannot interfere with the electromagnetic field of the inner wall of the shell, so that the electromagnetic flow When the watch is working, it is not disturbed by the external electromagnetic field, which makes the measurement more accurate.

2. The electromagnetic flow meter for metallurgical industry is provided with a high temperature resistant layer, so that the pipe body can withstand the high temperature of the high temperature fluid in the metallurgical industry, and the heat insulation layer insulates the high temperature, so that the uniform magnetic plate, iron core and coil on the outer wall of the pipe can be insulated. Windings and yokes are not affected by high temperatures.

Description of drawings

FIG. 1 is an overall cross-sectional view of the present invention.

Figure 2 is a side cross-sectional view of the pipe body of the present invention.

Figure 3 is an overall side sectional view of the present invention.

In Figures 1 to 3, the corresponding relationship between component names or lines and drawing numbers is:

Tube body-1, inlet-101, measuring tube-102, outlet-103, connecting flange-104, high temperature resistant layer-105, thermal insulation layer-106, mesh layer-107, wear-resistant layer-108, barb -2, Electrode-3, Shell-4, Main Layer-401, Mesh Layer-2-402, Anti-corrosion Coating-403, Homogeneous Magnetic Plate-5, Iron Core-6, Coil Winding-7, Magnetic Yoke-8, Connecting rod-9, measuring instrument-10.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

1-3, an electromagnetic flow meter for metallurgical industry of the present invention includes: a pipe body 1, an inlet 101, a measuring tube 102, an outlet 103, a connecting flange 104, a high temperature resistant layer 105, an insulating layer 106, Mesh layer 1 107, wear-resistant layer 108, barb 2, electrode 3, shell 4, main body layer 401, mesh layer 2 402, anti-corrosion coating 403, uniform magnetic plate 5, iron core 6, coil winding 7, yoke 8. The connecting rod 9 and the measuring instrument 10, a measuring tube 102 is fixedly connected in the middle of the tube body 1, an inlet 101 is fixedly connected at the left end of the measuring tube 102, and an outlet 103 is fixedly connected at the right end of the measuring tube 102. The fixed connection is provided with a connecting flange 104, and the connecting flange 104 is fixedly connected with the inlet 102 and the outlet 103, the inner wall of the inlet 102 is fixedly connected with a number of barbs 2, and both sides of the inner wall of the measuring tube 103 are fixedly connected with electrodes 3. The outer wall of the tube 103 is fixedly connected with a housing 4, the inner bottom end and the top of the housing 4 are fixedly connected with a magnetic homogenization plate 5, and the inner surface of the magnetic homogenization plate 5 is fixedly connected with the outer wall of the measuring tube 103, and the outer surfaces of the two magnetic homogenization plates 5 are fixedly connected. Both iron cores 6 are fixedly connected, the outer walls of the two iron cores 6 are fixedly connected with coil windings 7, the outer sides of one end of the two iron cores 6 are fixedly connected with a magnetic yoke 8, and the top of the outer wall of the shell 4 is fixedly connected with a connecting rod 9. The top of the connecting rod 9 is fixedly connected with a measuring instrument 10;

The inner wall of the pipe body 1 is fixedly connected with a high temperature resistant layer 105, the outer wall of the high temperature resistant layer 105 is fixedly connected with an insulating layer 106, the outer wall of the insulating layer 106 is fixedly connected with a mesh layer 107, and the outer wall of the mesh layer 107 is fixedly connected with a A wear-resistant layer 108, and the wear-resistant layer 108 is fixedly connected with the casing 4;

The inner wall of the shell is fixedly connected with a main body layer 401 , the outer wall of the main body layer 401 is fixedly connected with a mesh layer 2 402 , and the outer wall of the mesh layer 2 402 is coated with an anti-corrosion coating 403 .

In this embodiment, the first network layer 107 and the second network layer 402 are connected to form a concentric annular sealed loop structure, so that the first network layer 107 and the second network layer 402 can form a complete network protection layer, so that the first network layer 107 and the network layer 107 can form a complete network protection layer. The second layer 402 forms a complete electrostatic shield on the outer wall of the tube body 1 and the inner wall of the outer shell 4, so that the external electromagnetic field cannot interfere with the electromagnetic field of the inner wall of the outer shell 4, so that the electromagnetic flow meter is not disturbed by the external electromagnetic field during operation, which makes the measurement more accurate. Precise.

In this embodiment, the inlet 101, the measuring tube 102 and the outlet 103 form a venturi structure, so that when the fluid flows through the measuring tube 102, the flow rate of the fluid is accelerated, so that the measuring tube 102 can perform better when measuring Measurement, the flow rate increases, so that the measured values are increased, making the measurement data more accurate.

In this embodiment, the barbs 2 are evenly distributed, and the pouring direction of the barbs 2 is opposite to the flow direction of the fluid, which can effectively puncture the air bubbles in the fluid, so that the fluid can be measured more accurately.

In this embodiment, the measuring instrument 10 is electrically connected to the coil winding 7, so that the measuring instrument 10 can calculate and display the measurement data.

In this embodiment, the two electrodes 3 are arranged opposite each other, and the electrodes are opposite, and the central axes of the two electrodes 3 are parallel to the magnetic homogenization plate 5, so that the magnetic field lines generated between the two equal magnetic plates 5 and the two electrodes 3 The central axis is vertical, so that the measurement error is reduced.

In this embodiment, the magnetic yoke 8 is cylindrical, so that the magnetic yoke 8 forms a closed outer magnetic field, so that the internal electromagnetic field will not be affected by the outside world.

Working principle: First, connect the flow meter with the fluid pipeline; when connecting, the connecting flange 104 is connected with the fluid pipeline through bolts;

When put into use again, the high temperature resistant layer 105 enables the tube body 1 to withstand the high temperature of the high-temperature fluid in the metallurgical industry, while the thermal insulation layer 106 insulates the high temperature, so that the magnetic homogenization plate 5, the iron core 6 and the coil windings on the outer wall of the tube body 1 can be insulated. 7 and the yoke 8 will not be affected by high temperature; at the same time, the mesh layer 1 107 and the mesh layer 2 402 form a complete electrostatic shield on the outer wall of the tube body 1 and the inner wall of the outer shell 4, so that the external electromagnetic field cannot interfere with the electromagnetic field of the inner wall of the outer shell 4, So that the electromagnetic flow meter is not disturbed by the external electromagnetic field when it is working, so that the measurement is more accurate;

The inlet 101, the measuring tube 102 and the outlet 103 form a Venturi tube structure, so that when the fluid flows through the measuring tube 102, the flow rate of the fluid is accelerated, so that the measuring tube 102 can measure better when the measurement is performed, and the flow rate increases. If it is large, the measured values will be increased, and the measured data will be more accurate.

The above are only the preferred embodiments of the present utility model. It should be pointed out that for those skilled in the art, some modifications and improvements can be made without departing from the concept of the present utility model. These should also be regarded as the present utility model. The scope of protection of the new model will not affect the effect of the implementation of the present utility model and the practicability of the patent.

Claims (7)

1. An electromagnetic flow meter for metallurgical industry, comprising: a pipe body (1), an inlet (101), a measuring tube (102), an outlet (103), a connecting flange (104), a high temperature resistant layer (105), a spacer Thermal layer (106), mesh layer one (107), wear-resistant layer (108), barbs (2), electrodes (3), shell (4), main body layer (401), mesh layer two (402), Corrosion coating (403), uniform magnetic plate (5), iron core (6), coil winding (7), magnetic yoke (8), connecting rod (9) and measuring instrument (10), characterized in that: the A measuring tube (102) is fixedly connected in the middle of the tube body (1), the left end of the measuring tube (102) is fixedly connected with an inlet (101), and the right end of the measuring tube (102) is fixedly connected with an outlet (103), Both ends of the pipe body (1) are fixedly connected with a connecting flange (104), and the connecting flange (104) is fixedly connected with the inlet (101) and the outlet (103), and the inner wall of the inlet (101) is fixedly connected Several barbs (2) are provided, electrodes (3) are fixedly connected on both sides of the inner wall of the measuring tube (102), and a casing (4) is fixedly connected to the outer wall of the measuring tube (102), and the casing ( 4) The inner bottom end and the top end are fixedly connected with a magnetic homogenization plate (5), and the inner surface of the magnetic homogenization plate (5) is fixedly connected with the outer wall of the measuring tube (102), and the outer surfaces of the two magnetic homogenization plates (5) are fixedly connected. Both are fixedly connected with an iron core (6), the outer walls of the two iron cores (6) are fixedly connected with a coil winding (7), and the outer sides of one end of the two iron cores (6) are fixedly connected with a magnetic yoke (8). ), the top of the outer wall of the casing (4) is fixedly connected with a connecting rod (9), and the top of the connecting rod (9) is fixedly connected with a measuring instrument (10); The inner wall of the pipe body (1) is fixedly connected with a high temperature resistant layer (105), the outer wall of the high temperature resistant layer (105) is fixedly connected with an insulating layer (106), and the outer wall of the insulating layer (106) is fixedly connected A mesh layer (107) is provided, the outer wall of the mesh layer (107) is fixedly connected with a wear-resistant layer (108), and the wear-resistant layer (108) is fixedly connected with the outer shell (4); The inner wall of the casing is fixedly connected with a main body layer (401), the outer wall of the main body layer (401) is fixedly connected with a second mesh layer (402), and the outer wall of the second mesh layer (402) is coated with an anti-corrosion coating ( 403). 2 . The electromagnetic flow meter for metallurgical industry according to claim 1 , wherein the mesh layer one ( 107 ) and the mesh layer two ( 402 ) are connected to form a concentric annular sealed loop structure. 3 . 3 . The electromagnetic flow meter for metallurgical industry according to claim 1 , wherein the inlet ( 101 ), the measuring tube ( 102 ) and the outlet ( 103 ) constitute a Venturi tube structure. 4 . 4 . The electromagnetic flow meter for metallurgical industry according to claim 1 , wherein the barbs ( 2 ) are evenly distributed, and the pouring direction of the barbs ( 2 ) is opposite to the flow direction of the fluid. 5 . 5 . The electromagnetic flow meter for metallurgical industry according to claim 1 , wherein the measuring instrument ( 10 ) is electrically connected to the coil winding ( 7 ). 6 . 6. The electromagnetic flowmeter for metallurgical industry according to claim 1, characterized in that: the two electrodes (3) are arranged opposite to each other, and the electrodes are opposite, and the central axis of the two electrodes (3) is in line with the homogeneous magnetic plate (5) Parallel. 7 . The electromagnetic flow meter for metallurgical industry according to claim 1 , wherein the magnetic yoke ( 8 ) is cylindrical. 8 .

Images