CN216132512U

CN216132512U - Mass flowmeter shunt

Info

Publication number: CN216132512U
Application number: CN202121929477.XU
Authority: CN
Inventors: 王彦亮
Original assignee: Dalian Youke Instrument Co ltd
Current assignee: Dalian Youke Instrument Co ltd
Priority date: 2021-08-17
Filing date: 2021-08-17
Publication date: 2022-03-25
Anticipated expiration: 2031-08-17

Abstract

The utility model discloses a mass flowmeter shunt, which belongs to the technical field of mass flowmeters and comprises a pipe body, wherein an inlet and an outlet are arranged at two ends of the pipe body, first flanges are arranged at the outer sides of the inlet and the outlet, a display control main body is fixedly installed at the upper end of the middle of the pipe body, a shell is fixedly connected at the lower end of the pipe body, connecting cylinders are fixedly connected at two ends of the inside of the pipe body, and shunt pipes are inserted in the connecting cylinders. According to the utility model, the plurality of rough salient points are arranged at the upper end of the outer wall of the shunt pipe, the rubber ring, the spring column and the silica gel ring are sequentially and fixedly arranged at the upper end of the inner wall of the connecting cylinder, so that the stable connection between the shunt pipe and the connecting cylinder is enhanced, the vibration of fluid during flowing is buffered, the elastic membrane is arranged in the middle of the inner wall of the shunt pipe, the impact of the fluid on the vibration of the shunt pipe is buffered, the reset spring is fixedly connected at the middle outer convex part of the elastic membrane and the lower end of the shunt pipe, the buffering effect is further enhanced, and the error of a measuring result caused by turbulent flow during fluid shunting is avoided.

Description

Mass flowmeter shunt

Technical Field

The utility model relates to the technical field of mass flowmeters, in particular to a mass flowmeter shunt.

Background

The mass flowmeter is a flow measuring instrument which is suitable for various media, has high measuring accuracy, no straight pipe section, high speed, a core processor, reliability, high efficiency, stability and flexibility, and can be widely applied to the fields of petroleum processing, chemical engineering and the like; the mass flowmeter adopts the thermal type measurement, the flow is measured by the molecular mass taken away by the split molecules, and the measurement result is not influenced by the change of the gas temperature and the pressure because of the thermal type measurement.

The Coriolis mass flowmeter is a flowmeter capable of directly measuring the mass of a medium and is frequently used for trade settlement and industrial flow detection, but in the field use process, the flow divider of the mass flowmeter has the problem of turbulence when a fluid is divided due to low stability, so that the measurement result has errors.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a mass flowmeter splitter.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a mass flow meter shunt, includes the body, the body both ends are provided with import and export, and import and export the outside and all be provided with first flange, upper end fixed mounting has the display control main part in the middle of the body, and body lower extreme fixedly connected with casing, the inside both ends fixedly connected with connecting cylinder of body, and the inside grafting of connecting cylinder has the shunt tubes, two fixedly connected with double survey buret between the shunt tubes, and double survey buret outer wall is provided with a plurality of snap rings, shunt tubes feed liquor end is interior concavity, and shunt tubes outer wall upper end is provided with a plurality of coarse bumps, is provided with the stretch film in the middle of the shunt tubes inner wall, stretch film and shunt tubes lower extreme middle evagination fixedly connected with reset spring.

Preferably, a driving coil is fixedly installed in the middle of the inner wall of the bottom end of the shell, detection coils are fixedly installed in the middle of the inner walls of two sides of the shell, and the two detection coils are respectively located on the outer sides of the double-row measurement tubes.

Preferably, the temperature sensors are fixedly mounted on two sides of the inner wall of one end of the pipe body, and the two temperature sensors are located on the inner side of the double-row measuring pipe.

Preferably, two through second flange fixed connection between shunt tubes bottom and the double survey buret, and the double survey buret both ends opening all is provided with the sleeve pipe, the sleeve pipe is pegged graft with the inside slip in shunt tubes both ends.

Preferably, the connecting cylinder top is provided with a groove, and the upper end of the inner wall of the connecting cylinder is fixedly provided with a rubber ring, a spring column and a silica gel ring in sequence.

Preferably, a plurality of semicircular grooves in a circumferential array are formed in the upper end of the outer wall of the shunt pipe, and the semicircular grooves are matched with the elastic ends of the spring columns.

Preferably, the top plate is fixedly mounted at the upper end of the inner wall of each of the two ends of the shell, the limiting mechanism is fixedly mounted at the bottom end of the top plate and comprises a buffer spring and a rubber pad, and the rubber pad is semi-elliptical.

The utility model has the beneficial effects that:

1. according to the mass flowmeter shunt provided by the utility model, the plurality of rough salient points are arranged at the upper end of the outer wall of the shunt pipe, the rubber ring, the spring column and the silica gel ring are sequentially and fixedly arranged at the upper end of the inner wall of the connecting cylinder, so that the stable connection between the shunt pipe and the connecting cylinder is enhanced, the vibration of fluid during flowing is buffered, the elastic membrane is arranged in the middle of the inner wall of the shunt pipe, the vibration influence of fluid impact on the shunt pipe is buffered, the reset spring is fixedly connected with the elastic membrane and the middle convex part at the lower end of the shunt pipe, the buffering effect is further enhanced, and the error of the measurement result caused by turbulent flow during fluid shunting is avoided.

2. According to the mass flow meter flow divider provided by the utility model, the two ends of the double-row measuring pipe are provided with the sleeves respectively, the sleeves are in sliding insertion connection with the inner parts of the two ends of the flow dividing pipe, the fixed connection between the flow dividing pipe and the double-row measuring pipe is improved, the fluid leakage is avoided, the upper end of the outer wall of the flow dividing pipe is provided with the plurality of semicircular grooves in a circumferential array, and the semicircular grooves are matched with the elastic ends of the spring columns, so that the flow dividing pipe and the connecting cylinder are further accurately positioned.

3. According to the mass flowmeter shunt, the limiting mechanism is fixedly mounted at the bottom end of the top plate, so that the problem of overlarge amplitude when different fluids flow is effectively limited.

Drawings

FIG. 1 is a schematic diagram of a mass flowmeter shunt according to the present invention;

FIG. 2 is a schematic structural view of the inside of a diverter tube of a mass flowmeter according to the present invention;

FIG. 3 is a schematic diagram of a side view of a dual row measurement tube of a mass flow meter splitter according to the present invention;

fig. 4 is a schematic structural diagram of a mass flowmeter splitter according to embodiment 2 of the present invention.

In the figure: the device comprises a display control main body 1, a pipe body 2, an outlet 3, a connecting cylinder 4, a shunt tube 5, a detection coil 6, a double-row measurement pipe 7, a snap ring 8, a driving coil 9, a shell 10, a temperature sensor 11, a silica gel ring 12, a spring column 13, an inlet 14, a rubber ring 15, rough bumps 16, a semicircular groove 17, an elastic membrane 18, a return spring 19, a sleeve 20, a top plate 21 and a limiting mechanism 22.

Detailed Description

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Example 1

Referring to fig. 1-3, a mass flowmeter shunt, including body 2, body 2 both ends are provided with import 14 and export 3, and import 14 and export 3 outsides all are provided with first flange, body 2 middle upper end fixed mounting has display control main part 1, and body 2 lower extreme fixedly connected with casing 10, body 2 inside both ends fixedly connected with connecting cylinder 4, and connecting cylinder 4 inside is pegged graft and is had shunt tubes 5, fixedly connected with double survey buret 7 between two shunt tubes 5, and double survey buret 7 outer wall is provided with a plurality of snap rings 8, shunt tubes 5 inlet end is the interior concavity, and shunt tubes 5 outer wall upper end is provided with a plurality of coarse bumps 16, be provided with stretch film 18 in the middle of shunt tubes 5 inner wall, stretch film 18 and shunt tubes 5 lower extreme middle evagination fixedly connected with reset spring 19.

According to the utility model, a drive coil 9 is fixedly arranged in the middle of the inner wall of the bottom end of a shell 10, detection coils 6 are fixedly arranged in the middle of the inner walls of two sides of the shell 10, the two detection coils 6 are respectively positioned outside a double-row measurement tube 7, and the two detection coils 6 are used for detecting Coriolis force through the work of the drive coil 9, so that the purpose of detecting mass flow is achieved;

temperature sensors 11 are fixedly mounted on two sides of the inner wall of one end of the pipe body 2, the two temperature sensors 11 are positioned on the inner sides of the double-row measuring pipes 7, and the temperature sensors 11 constantly monitor the temperature inside the shell 10;

the bottom ends of the two flow dividing pipes 5 are fixedly connected with the double-row measuring pipes 7 through second flanges, openings at two ends of the double-row measuring pipes 7 are respectively provided with a sleeve 20, the sleeves 20 are inserted in the two ends of the flow dividing pipes 5 in a sliding manner, the fixed connection between the flow dividing pipes 5 and the double-row measuring pipes 7 is improved, and fluid leakage is avoided;

the top end of the connecting cylinder 4 is provided with a groove, and the upper end of the inner wall of the connecting cylinder 4 is fixedly provided with a rubber ring 15, a spring column 13 and a silica gel ring 12 in sequence, so that the phenomenon that the shunt tube 5 is displaced in the connecting cylinder 4, and further the measurement result is inaccurate due to unstable fluid transmission is avoided;

the upper end of the outer wall of the shunt tube 5 is provided with a plurality of semicircular grooves 17 in a circumferential array, and the semicircular grooves 17 are matched with the elastic ends of the spring columns 13, so that the shunt tube 5 and the connecting cylinder 4 are further accurately positioned.

The working principle is as follows: the upper end of the outer wall of the shunt tube 5 is provided with a plurality of rough salient points 16, and the upper end of the inner wall of the connecting cylinder 4 is sequentially and fixedly provided with the rubber ring 15, the spring column 13 and the silica gel ring 12, so that the stable connection between the shunt tube 5 and the connecting cylinder 4 is enhanced, the vibration during the fluid flowing is buffered, the elastic membrane 18 is arranged in the middle of the inner wall of the shunt tube 5, the vibration influence of the fluid impact on the shunt tube 5 is buffered, the reset spring 19 is fixedly connected to the elastic membrane 18 and the middle outer convex part of the lower end of the shunt tube 5, the buffering effect is further enhanced, and the error of the measurement result caused by the turbulent flow during the fluid shunting is avoided; through double survey buret 7 both ends opening all is provided with sleeve pipe 20, sleeve pipe 20 with shunt tubes 5 both ends inside slip grafting, improve shunt tubes 5 and double survey buret 7's fixed connection, avoid fluid leakage, offer a plurality of semicircle recesses 17 that are the circumference array through shunt tubes 5 outer wall upper end, and semicircle recess 17 matches with spring post 13 elasticity end, further pinpoints shunt tubes 5 and connecting cylinder 4.

Example 2

Referring to fig. 4, a mass flowmeter shunt, further, a top plate 21 is fixedly installed at the upper end of the inner wall of each end of a casing 10, a limiting mechanism 22 is fixedly installed at the bottom end of the top plate 21, the limiting mechanism 22 comprises a buffer spring and a rubber pad, and the rubber pad is semi-elliptical.

The working principle is as follows: a limiting mechanism 22 is fixedly mounted at the bottom end of the top plate 21, so that the problem of overlarge amplitude when different fluids flow is effectively limited.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a mass flow meter shunt, includes body (2), body (2) both ends are provided with import (14) and export (3), and import (14) and export (3) outside all are provided with first flange, upper end fixed mounting has display control main part (1) in the middle of body (2), and body (2) lower extreme fixedly connected with casing (10), its characterized in that, body (2) inside both ends fixedly connected with connecting cylinder (4), and connecting cylinder (4) inside grafting has double shunt tubes (5), two fixedly connected with surveys buret (7) between shunt tubes (5), and double survey buret (7) outer wall is provided with a plurality of snap rings (8), shunt tubes (5) inlet end is interior concavity, and shunt tubes (5) outer wall upper end is provided with a plurality of coarse bumps (16), is provided with stretch film (18) in the middle of shunt tubes (5) inner wall, the elastic membrane (18) and the middle convex part of the lower end of the shunt pipe (5) are fixedly connected with a return spring (19).

2. A mass flow meter diverter according to claim 1, wherein the drive coil (9) is fixedly mounted in the middle of the inner wall of the bottom end of the housing (10), the detection coils (6) are fixedly mounted in the middle of the inner walls of the two sides of the housing (10), and the two detection coils (6) are respectively located outside the double-row measurement pipe (7).

3. A mass flow meter diverter according to claim 1 wherein the body (2) has temperature sensors (11) fixedly mounted to both sides of the inner wall at one end and the two temperature sensors (11) are located inside the double row of measurement tubes (7).

4. A mass flow meter diverter according to claim 1, characterized in that the two bottom ends of the diversion pipes (5) are fixedly connected with the double rows of measuring pipes (7) through a second flange, and the openings at the two ends of the double rows of measuring pipes (7) are provided with sleeves (20), and the sleeves (20) are slidably inserted into the two ends of the diversion pipes (5).

5. The mass flowmeter shunt according to claim 1, wherein a groove is formed at the top end of the connecting cylinder (4), and a rubber ring (15), a spring column (13) and a silica gel ring (12) are fixedly mounted on the upper end of the inner wall of the connecting cylinder (4) in sequence.

6. The mass flowmeter shunt of claim 5, wherein the upper end of the outer wall of the shunt tube (5) is provided with a plurality of semi-circular grooves (17) in a circumferential array, and the semi-circular grooves (17) are matched with the elastic ends of the spring columns (13).

7. The mass flowmeter splitter of claim 1, wherein the top plate (21) is fixedly mounted at the upper end of the inner wall of each end of the housing (10), the limiting mechanism (22) is fixedly mounted at the bottom end of the top plate (21), the limiting mechanism (22) comprises a buffer spring and a rubber pad, and the rubber pad is semi-elliptical.