CN212843765U

CN212843765U - Automatically cleaning electromagnetic flow meter

Info

Publication number: CN212843765U
Application number: CN202022154746.1U
Authority: CN
Inventors: 白继军; 青顼栋; 孙海洋; 尹良田; 赵高领; 李养兵
Original assignee: Xi'an Lantian Petrochemical Equipment Co ltd
Current assignee: Xi'an Lantian Petrochemical Equipment Co ltd
Priority date: 2020-09-27
Filing date: 2020-09-27
Publication date: 2021-03-30
Anticipated expiration: 2030-09-27

Abstract

The utility model discloses a self-cleaning electromagnetic flowmeter, which comprises a main pipeline and branch pipelines arranged on one side of the main pipeline and communicated with the main pipeline, wherein the upper end and the lower end of the main pipeline are respectively connected with a self-cleaning device and an electromagnetic flowmeter; the self-cleaning device comprises a connecting pipe fixedly arranged at the upper end of the main pipeline, a screw rod which is rotatably arranged in the connecting pipe and the lower end of which extends into the main pipeline, and a motor which is arranged at the upper end of the connecting pipe and is used for driving the screw rod to rotate, wherein a circular cleaning part is arranged at the lower end of the screw rod, and the peripheral diameter of the cleaning part is the same as the inner diameter of the main pipeline; when condensing in the trunk line and having fluid remained, starter motor, motor drive lead screw rotate, and then drive the cleaning portion of locating the lead screw lower extreme and reciprocate in the trunk line, and cleaning portion can clean the inner wall of trunk line, remains the fluid that condenses on the inner wall of trunk line and scrapes, accomplishes the cleaning work to the inner wall of trunk line.

Description

Automatically cleaning electromagnetic flow meter

Technical Field

The utility model relates to a metering device technical field, in particular to automatically cleaning electromagnetic flow meter.

Background

The basic principle of the electromagnetic flowmeter is Faraday's law of electromagnetic induction, when the conductor cuts the magnetic force line and moves, the conductor will produce the induced electromotive force, this principle is applied to the conductive liquid flowing in the tube, the direction that the fluid flows is perpendicular to electromagnetic field direction, the induced electromotive force produced in the fluid is installed and measured out by a pair of electrodes installed on the opposite sides of diameter of the tube, thus measure the flowrate, because there is no moving part in the flow tube, the medium through the flowmeter has no pressure loss, its measuring accuracy is high, the performance is reliable, have already got the extensive application in every trade; the existing electromagnetic flowmeter is easy to be stained with oil residues on the inner wall of the flowmeter under the condition of measuring liquids with viscosity such as oil and the like, and the oil residues on the inner wall of the electromagnetic flowmeter are difficult to remove, and can be condensed on the inner wall of the electromagnetic flowmeter after a long time, so that the accuracy of measurement is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome current technical defect, provide a automatically cleaning electromagnetic flow meter, the fluid that condenses on can the inner wall of self-cleaning electromagnetic flow meter is remained, and is clean efficient to can improve the electromagnetic flow meter measuring rate of accuracy.

In order to solve the technical problem, the utility model provides a self-cleaning electromagnetic flowmeter, which is characterized by comprising a main pipeline and branch pipelines which are arranged on one side of the main pipeline and communicated with the main pipeline, wherein the upper end and the lower end of the main pipeline are respectively connected with a self-cleaning device and an electromagnetic flowmeter; self-cleaning device is including fixed locating connecting pipe, the rotation of trunk line upper end are located in the connecting pipe and the lower extreme stretches into lead screw in the trunk line and locate the connecting pipe upper end is used for the drive lead screw pivoted motor, the lower extreme of lead screw is equipped with circular shape cleaning portion, cleaning portion's periphery diameter with the internal diameter of trunk line is the same.

Further, the upper end of trunk line is equipped with first flange, the lower extreme of connecting pipe is equipped with the second flange, the connecting pipe passes through the cooperation fixed connection of second flange and first flange is in the upper end of trunk line.

Furthermore, the lower end of the second flange is fixedly provided with a threaded part matched with the screw rod, the lower end of the screw rod penetrates through the threaded part and is connected with a nut, and the cleaning part is fixedly arranged on the nut.

Furthermore, the cleaning part comprises a cleaning sleeve fixedly connected with the nut, a circular cleaning head arranged at the lower end of the cleaning sleeve and a gasket fixedly arranged on the periphery of the cleaning head.

Further, the lower extreme of trunk line is equipped with the pipeline of measurement, the electromagnetic flowmeter is including fixed locating electromagnetic flow sensor on the pipeline of measurement and locating last electromagnetic flow converter of electromagnetic flow sensor.

Further, the lower extreme of trunk line is equipped with the third flange, the upper end of survey pipeline is equipped with the fourth flange, the survey pipeline passes through the cooperation fixed connection of fourth flange and third flange is in the lower extreme of trunk line.

Furthermore, the electromagnetic flow sensor comprises a shell arranged on the outer side of the measuring pipeline, two electrodes arranged on the shell and extending into the measuring pipeline, and a coil connected with the electrodes.

Furthermore, one side of the shell is provided with a connecting part, and the electromagnetic flow converter is arranged on the connecting part and is electrically connected with the electrode.

Furthermore, the lower end of the measuring pipeline is provided with a fifth flange used for connecting an external water inlet pipe.

Furthermore, a sixth flange for connecting an external water outlet pipe is arranged on the branch pipeline.

The utility model discloses following beneficial effect has:

the utility model discloses automatically cleaning electromagnetic flowmeter flows through electromagnetic flowmeter then flows out from the lateral conduit when liquid passes through the trunk line, the flow of the liquid of flowing through can be measured to electromagnetic flowmeter, be equipped with automatically cleaning device through the upper end at the trunk line, it remains when fluid has been condensed in the trunk line, the starter motor, the motor can drive the lead screw and rotate, and then the drive locates the clean portion of lead screw lower extreme and reciprocates in the trunk line, clean portion can clean the inner wall of trunk line, the fluid that condenses on the inner wall with the trunk line remains and scrapes, accomplish the cleaning work to the inner wall of trunk line, clean efficient, thereby can improve electromagnetic flowmeter measuring accuracy.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, do not constitute a limitation of the invention, and in which:

FIG. 1 is a schematic diagram of a self-cleaning electromagnetic flow meter in an embodiment;

FIG. 2 is a cross-sectional view of a self-cleaning electromagnetic flow meter in an embodiment;

FIG. 3 is a schematic diagram of the self-cleaning electromagnetic flowmeter of the embodiment after being connected with the water inlet pipe and the water outlet pipe.

Detailed Description

In order to fully understand the technical contents of the present invention, the present invention will be further described and explained with reference to the accompanying drawings and specific embodiments; it should be noted that, if "first" or "second" is described in the text, it is used to distinguish different components, and the like, and does not represent the order of precedence, and does not limit "first" and "second" to be different types.

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the 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 those skilled in the art without creative efforts belong to the protection scope of the present invention.

Examples

As shown in fig. 1-3, the self-cleaning electromagnetic flow meter of the present embodiment includes a main pipe 1 and a branch pipe 2 disposed on the left side of the main pipe 1 and communicated with the main pipe 1, wherein a self-cleaning device is connected to the upper end of the main pipe 1, and an electromagnetic flow meter is connected to the lower end of the main pipe 1; the self-cleaning device comprises a connecting pipe 31 fixedly arranged at the upper end of the main pipe 1, a screw rod 32 rotatably arranged in the connecting pipe 31 and a motor 33 arranged at the upper end of the connecting pipe 31 and used for driving the screw rod 32 to rotate, the lower end of the screw rod 32 extends into the main pipe 1, a circular cleaning part is arranged at the lower end of the screw rod 32, and the peripheral diameter of the cleaning part is the same as the inner diameter of the main pipe 1; in the structure, liquid flows through the electromagnetic flowmeter of trunk line 1 through and then flows out from 2 departments of lateral conduit, the volume flow of the liquid of flowing through can be measured to the electromagnetic flowmeter, be equipped with automatically cleaning device through the upper end at trunk line 1, when condensing in trunk line 1 and have fluid to remain, starter motor 33, motor 33 can drive lead screw 32 and rotate, and then the drive locates the clean portion of lead screw 32 lower extreme and reciprocates in trunk line 1, clean portion can clean the inner wall of trunk line 1, the fluid that condenses on the inner wall of trunk line 1 remains and scrapes, accomplish the cleaning work to the inner wall of trunk line 1.

Specifically, a first flange 11 is arranged at the upper end of the main pipe 1, a second flange 12 is arranged at the lower end of the connecting pipe 31, the connecting pipe 31 is fixedly connected to the upper end of the main pipe 1 through the matching of the second flange 12 and the first flange 11, a threaded portion 34 matched with the screw rod 32 is fixedly arranged at the lower end of the second flange 12, the lower end of the screw rod 32 penetrates through the threaded portion 34 and is connected with a nut 35, and the cleaning portion is fixedly arranged on the nut 35; through the cooperation of second flange 12 with first flange 11 with connecting pipe 31 fixed connection in the upper end of trunk line 1, can ensure the leakproofness, when motor 33 drives lead screw 32 and rotates, because screw thread portion 34 is fixed, so motor 33 drives lead screw 32 after starting and moves in vertical direction, locate nut 35 of lead screw 32 lower extreme and also along with the motion of lead screw 32 and up-and-down motion, thereby drive the fixed clean portion up-and-down motion that sets up on nut 35, it cleans the inner wall of trunk line 1 to have realized the clean portion, remain the fluid of condensing on the inner wall of trunk line 1 and scrape, accomplish the cleaning work to the inner wall of trunk line 1.

Specifically, the cleaning part comprises a cleaning sleeve 36 fixedly connected with the nut 35, a circular cleaning head 37 arranged at the lower end of the cleaning sleeve 36 and a gasket 38 fixedly arranged on the periphery of the cleaning head 37; utilize the cooperation of clean cover 36 and cleaning head 37, can increase the intensity of clean portion overall structure for clean portion is more durable, and the gasket 38 sets up in the area of contact and the contact force that can increase the inner wall with trunk line 1 in the periphery of cleaning head 37, always and can increase the clean ability of clean portion, and is cleaner to the inner wall of trunk line 1.

Specifically, a measuring pipeline 4 is arranged at the lower end of the main pipeline 1, and the electromagnetic flowmeter comprises an electromagnetic flow sensor 41 fixedly arranged on the measuring pipeline 4 and an electromagnetic flow converter 42 arranged on the electromagnetic flow sensor 41; the electromagnetic flowmeter is independently arranged on the measuring pipeline, so that the electromagnetic flowmeter can be conveniently detached, and the electromagnetic flowmeter is convenient to operate when needing to be maintained or replaced; when the liquid flows through the measuring pipe 4, the electromagnetic flow sensor 41 generates an induced electromotive force proportional to the flow rate of the liquid, and the instantaneous flow rate of the liquid can be displayed through conversion and data processing of the electromagnetic flow converter 42.

Specifically, be equipped with third flange 13 at the lower extreme of trunk line 1, be equipped with fourth flange 14 in the upper end of measuring pipe 4, measuring pipe 4 passes through fourth flange 14 and third flange 13's cooperation fixed connection at the lower extreme of trunk line 1, will measure pipe 4 fixed connection at the lower extreme of trunk line 1 through the cooperation of fourth flange 14 and third flange 13, can ensure the leakproofness.

Specifically, the electromagnetic flow sensor 41 includes a housing 43 disposed outside the measuring pipe 4, two electrodes 44 disposed on the housing 43 and extending into the measuring pipe 4, and a coil 45 connected to the electrodes 44; a connecting part 46 is arranged on one side of the shell 43, and the electromagnetic flow converter 42 is arranged on the connecting part 46 and is electrically connected with the electrode 43; the coil 45 is capable of forming a magnetic field, when the liquid cuts magnetic lines in the magnetic field, an induced potential proportional to the average flow velocity of the liquid is generated, and an induced voltage signal is detected by two electrodes 44 in contact with the liquid and sent to the electromagnetic flow converter 42 for processing, and the instantaneous flow of the liquid is measured.

Specifically, the lower extreme of measuring pipe 4 is used for being connected with oral siphon 21, lateral conduit 2 is used for being connected with outlet pipe 22, be equipped with fifth flange 15 at the lower extreme of measuring pipe 4, be equipped with sixth flange 16 on lateral conduit, be equipped with seventh flange 17 on oral siphon 21, be equipped with eighth flange 18 on outlet pipe 22, cooperation through seventh flange 17 and fifth flange 15 with oral siphon 21 fixed connection at the lower extreme of measuring pipe 4, cooperation through eighth flange 18 and sixth flange 16 with outlet pipe 22 fixed connection on lateral conduit 2, can ensure the leakproofness.

To sum up, liquid flows into measuring tube 4 by oral siphon 21, the instantaneous flow of liquid is measured in measuring tube 4 department through the cooperation of electromagnetic flow sensor 41 and electromagnetic flow converter 42, then flow to lateral conduit 2 behind the main pipe 1 to the flow direction, finally flow out by outlet pipe 22, condense when having fluid to remain in main pipe 1, starter motor 33, motor 33 can drive lead screw 32 and rotate, and then drive the cleaning part of locating lead screw 32 lower extreme and reciprocate in main pipe 1, utilize the fixed packing ring 38 of locating cleaning head 37 periphery can clean the inner wall of main pipe 1, remain the fluid of condensing on the inner wall of main pipe 1 and scrape, accomplish the cleaning work to the inner wall of main pipe 1.

The technical solutions provided by the embodiments of the present invention are described in detail above, and the principles and embodiments of the present invention are explained herein by using specific examples, and the descriptions of the above embodiments are only applicable to help understand the principles of the embodiments of the present invention; meanwhile, for a person skilled in the art, according to the embodiments of the present invention, there may be variations in the specific implementation manners and application ranges, and in summary, the content of the description should not be construed as a limitation to the present invention.

Claims

1. A self-cleaning electromagnetic flowmeter is characterized by comprising a main pipeline and branch pipelines which are arranged on one side of the main pipeline and communicated with the main pipeline, wherein the upper end and the lower end of the main pipeline are respectively connected with a self-cleaning device and an electromagnetic flowmeter; self-cleaning device is including fixed locating connecting pipe, the rotation of trunk line upper end are located in the connecting pipe and the lower extreme stretches into lead screw in the trunk line and locate the connecting pipe upper end is used for the drive lead screw pivoted motor, the lower extreme of lead screw is equipped with circular shape cleaning portion, cleaning portion's periphery diameter with the internal diameter of trunk line is the same.

2. A self-cleaning electromagnetic flowmeter as set forth in claim 1 wherein said main conduit is provided at an upper end thereof with a first flange, and said connecting tube is provided at a lower end thereof with a second flange, said connecting tube being fixedly connected to said upper end of said main conduit by engagement of said second flange with said first flange.

3. The self-cleaning electromagnetic flow meter according to claim 2, wherein the lower end of the second flange is fixedly provided with a threaded portion which is matched with the screw rod, the lower end of the screw rod passes through the threaded portion and is connected with a nut, and the cleaning portion is fixedly arranged on the nut.

4. A self-cleaning electromagnetic flow meter according to claim 3, wherein said cleaning portion comprises a cleaning sleeve fixedly attached to said nut, a circular cleaning head disposed at a lower end of said cleaning sleeve, and a washer fixedly disposed at an outer periphery of said cleaning head.

5. The self-cleaning electromagnetic flow meter according to any one of claims 1 to 4, wherein a measuring pipe is provided at a lower end of the main pipe, and the electromagnetic flow meter comprises an electromagnetic flow sensor fixedly provided on the measuring pipe and an electromagnetic flow converter provided on the electromagnetic flow sensor.

6. A self-cleaning electromagnetic flowmeter as set forth in claim 5 wherein said main conduit is provided at a lower end thereof with a third flange, and said measuring conduit is provided at an upper end thereof with a fourth flange, said measuring conduit being fixedly connected to said lower end of said main conduit by engagement of said fourth flange with said third flange.

7. A self-cleaning electromagnetic flowmeter as set forth in claim 6 wherein said electromagnetic flow sensor comprises a housing disposed outside said measurement conduit, two electrodes disposed on said housing and extending into said measurement conduit, and a coil connected to said electrodes.

8. The self-cleaning electromagnetic flowmeter of claim 7, wherein a side of the housing is provided with a connection, the electromagnetic flow transducer being disposed on the connection and electrically connected to the electrode.

9. A self-cleaning electromagnetic flowmeter as set forth in claim 8 wherein said lower end of said measurement conduit is provided with a fifth flange for connection to an external water inlet pipe.

10. A self-cleaning electromagnetic flowmeter as set forth in claim 1 wherein said branch conduit is provided with a sixth flange for connection to an external outlet pipe.