CN210400488U

CN210400488U - Detachable high-voltage electromagnetic flowmeter

Info

Publication number: CN210400488U
Application number: CN201920988457.6U
Authority: CN
Inventors: 刘广勤; 李养兵; 郭德刚; 杨拴锁; 刘力铭
Original assignee: Xi'an Lantian Petrochemical Equipment Co ltd
Current assignee: Xi'an Lantian Petrochemical Equipment Co ltd
Priority date: 2019-06-28
Filing date: 2019-06-28
Publication date: 2020-04-24
Anticipated expiration: 2029-06-28

Abstract

The utility model discloses a detachable high-voltage electromagnetic flowmeter, which relates to the field of petrochemical industry and mainly aims to solve the problems that the prior high-voltage electromagnetic flowmeter is inconvenient to install and disassemble and has lower measurement precision; this detachable high-voltage electromagnetic flowmeter, including the inner tube, be equipped with the pipe that is the crisscross formula in the inner tube, the pipe includes first pipe, second pipe and third pipe, the lining is installed through the clamping ring to the second pipe, the outside of second pipe is equipped with the silicon steel sheet endocyst, the electrode is installed at the lining both ends in the second pipe in the inner tube, install insulating pad on the electrode, install the gland on the insulating pad, the gland is connected with the inner tube through the housing screw that has O type circle again, the inner tube both sides are equipped with left closing cap and right closing cap respectively, be equipped with outlet pipe and adapter sleeve on the left closing cap, outlet pipe and adapter sleeve respectively with flange joint, the flange passes through the bolt fastening on the casing, improved measurement accuracy and made things convenient for workman's installation and dismantle.

Description

Detachable high-voltage electromagnetic flowmeter

Technical Field

The utility model relates to a petrochemical field specifically is a detachable high-voltage electromagnetic flowmeter.

Background

The high-voltage electromagnetic flowmeter is formed by matching a high-voltage electromagnetic flow sensor and an intelligent converter which are produced by adopting a special process of a special technology, and is specially used for measuring the volume flow of conductive liquid or liquid-solid two-phase media such as slurry, cement paste, high-pressure water injection and the like under the high-pressure condition in geological exploration, petroleum exploration and oil field systems. The high-voltage electromagnetic flowmeter is not influenced by the change of fluid density, viscosity, humidity, pressure and conductivity during measurement; the measuring pipe has no obstruction moving parts and no pressure loss, the requirement on the straight pipe section is lower, and the intelligent converter can simultaneously display the volume flow percentage, the actual flow and the accumulated flow.

At present, in water injection metering in the petroleum industry, after a flow metering instrument is installed on a pipeline through a heavy device main body, precision calibration of the flow metering instrument and cleaning of scaling and sundries on the inner wall of the flow metering instrument are carried out after the device main body is used for a period of time, and the calibration of the flow metering instrument or the cleaning of the scaling and sundries are very laborious, complicated and heavy. The working efficiency of the personnel for installing and disassembling the instrument is seriously influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a detachable high-voltage electric-magnetic flow meter solves current high-voltage electric-magnetic flow meter and ann tears inconvenient and the lower problem of measurement accuracy open.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a detachable high-voltage electromagnetic flowmeter, includes the inner tube, be equipped with the pipe that is the crisscross formula in the inner tube, the pipe includes first pipe, second pipe and third pipe, the lining is installed through the clamping ring to the second pipe, the outside of second pipe is equipped with the silicon steel sheet endocyst, the electrode is installed at the lining both ends in the second pipe in the inner tube, install insulating pad on the electrode, install the gland on the insulating pad, the gland is connected with the inner tube through the housing screw that has O type circle again, the inner tube both sides are equipped with left closing cap and right closing cap respectively, be equipped with play spool and adapter sleeve on the left closing cap, play spool and adapter sleeve respectively with flange joint, it runs through the flange and is connected with the converter to go out the spool, be equipped with the wire of being connected with the converter in.

On the basis of the technical scheme, the utility model discloses still provide following optional technical scheme:

in one alternative: the first guide pipe, the third guide pipe and the second guide pipe are designed in a crisscross mode and are integrated.

In one alternative: the silicon steel sheet outer package and the silicon steel sheet inner package are connected through screws.

In one alternative: the liner and the compression ring are arranged at two ends of the second conduit.

In one alternative: the number of the electrodes, the number of the insulating pads, the number of the pressing covers and the number of the pressing screws are two, and the electrodes, the insulating pads, the pressing covers and the pressing screws are symmetrically arranged on two sides of the second guide pipe respectively.

In one alternative: the silicon steel sheet inner bag is fixed on the outer side of the second guide pipe through screws, a coil is arranged on the outer side of the silicon steel sheet inner bag, and the coil is fixed on the first guide pipe and the third guide pipe of the inner cylinder through the silicon steel sheet outer bag, a gasket and a nut.

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

1. through the arrangement of the shell, the flowmeter can be connected with the shell through the bolts on the flange, fluid enters from the inlet and flows out from the outlet after passing through the flowmeter, and if the detachable flowmeter is used for a long time, the fluid can be taken away only by detaching and fixing the bolts on the shell, so that the detachable flowmeter is very simple to mount and detach;

2. the utility model provides a removable high-voltage electricity magnetic flowmeter, owing to used the measurement principle of electromagnetic flowmeter for this flowmeter does not have the rotation piece, consequently does not have vulnerable part, also does not have loss of pressure, thereby has guaranteed the precision of measurement and the life-span of use. Meanwhile, due to the adoption of the flowmeter structure, the conditions that the inner wall of the original flowmeter cannot be cleaned after scaling and the cleaning difficulty is high can be changed easily, the original metering process structure and the original mounting size are not required to be changed, and the original flowmeter can be conveniently replaced without dismounting a pipeline, so that the labor intensity of workers is reduced, and the reliable operation of a metering system is ensured.

Drawings

Fig. 1 is a schematic structural diagram of a detachable high-voltage electromagnetic flowmeter.

Fig. 2 is a schematic sectional view of a-a in the detachable high-voltage electromagnetic flowmeter.

FIG. 3 is a schematic sectional view of B-B in the detachable high-voltage electromagnetic flowmeter.

Fig. 4 is a schematic view of the installation of the flowmeter and the housing in the detachable high-voltage electromagnetic flowmeter.

Notations for reference numerals: 1-flange, 2-connecting sleeve, 3-outlet pipe, 4-left sealing cover, 5-inner cylinder, 6-O-shaped ring, 7-gland, 8-insulating pad, 9-electrode, 10-lining, 11-coil, 12-gasket, 13-nut 13, 14-screw, 15-silicon steel sheet inner package, 16-silicon steel sheet outer package, 17-compression screw, 18-right sealing cover, 19-compression ring, 20-converter, 21-shell, 51-first conduit, 52-second conduit and 53-third conduit.

Detailed Description

The present invention will be described in detail with reference to the following embodiments, wherein like or similar elements are designated by like reference numerals throughout the drawings or description, and wherein the shape, thickness or height of the various elements may be expanded or reduced in practical applications. The embodiments of the present invention are provided only for illustration, and not for limiting the scope of the present invention. Any obvious and obvious modifications or alterations to the present invention can be made without departing from the spirit and scope of the present invention.

Example 1

Referring to fig. 1 to 3, in an embodiment of the present invention, a detachable high voltage electromagnetic flowmeter includes an inner barrel 5, a cross-type conduit is disposed in the inner barrel 5, the conduit includes a first conduit 51, a second conduit 52 and a third conduit 53, the first conduit 51, the third conduit 53 and the second conduit 52 are designed to be cross-staggered and integrated, and are integrated in a using process, so that stability between the three conduits is very good, and compared with a non-integrated conduit, stability and sealing performance are improved to a great extent; the liner 10 is arranged on the second conduit 52 through the pressing ring 19, the corrosion resistance, oil resistance and other properties of the conduit are improved by arranging the liner 10, the service life of the second conduit 52 can be effectively prolonged, the sealing property between the liner 10 and the second conduit 52 can be improved through the pressing ring 19, and the liner 10 is well fixed in the second conduit 52; while the liner 10 and the pressure ring 19 are arranged at both ends of the second duct 52, i.e. the liner 10 and the pressure ring 19 are arranged at both sides of the second duct 52.

Furthermore, the silicon steel sheet inner bag 15 is arranged outside the second conduit 52, the silicon steel sheet inner bag 15 is fixed outside the second conduit 52 through the screw 14, namely the silicon steel sheet inner bag 15 is installed on the screw 14, and the stability of the second conduit 52 and the silicon steel sheet inner bag 15 is improved; the coil 11 is arranged on the outer side of the silicon steel sheet inner pack 15, the coil 11 is fixed on the first guide pipe 51 and the third guide pipe 53 of the inner cylinder 5 through the silicon steel sheet outer pack 16, the gasket 12 and the nut 13, and the silicon steel sheet outer pack 16 is connected with the silicon steel sheet inner pack 15 through the screw 14, so that the stability between the two is improved.

Furthermore, electrodes 9 are arranged at two ends of the lining 10 in the second conduit 52 in the inner barrel 5 through a sealing and fixing device, an insulating pad 8 is arranged on the electrodes 9, the overall safety can be improved through the insulating pad 8, the danger of electric leakage and leakage is avoided, the safety in the using process is improved, and the problem of circuit safety is solved; the gland 7 is arranged on the insulating pad 8, the stability between the electrode 9 and the insulating pad 8 can be improved through the gland 7, the gland 7 is connected with the inner cylinder 5 through the compression screw 17 with the O-shaped ring 6, the sealing performance between the compression screw 17 and the gland 7 can be improved through the O-shaped ring 6, meanwhile, the friction between the compression screw 17 and the gland 7 is reduced, and the service life of the compression screw 17 and the gland 7 is further prolonged; in addition, the number of the electrodes 9, the insulating pads 8, the pressing covers 7 and the pressing screws 17 is two, and the electrodes, the insulating pads 8, the pressing covers 7 and the pressing screws 17 are respectively symmetrically arranged on two sides of the second guide pipe 52, so that the insulating and sealing effects are very good, and the safety of the whole device is improved.

Furthermore, a left sealing cover 4 and a right sealing cover 18 are respectively arranged on two sides of the inner cylinder 5, and the overall sealing performance is improved through the left sealing cover 4 and the right sealing cover 18; the left sealing cover 4 is provided with the wire outlet pipe 3 and the connecting sleeve 2, the wire outlet pipe 3 and the connecting sleeve 2 are respectively connected with the flange 1, so that the stability is very good, and a wire connected with the converter 20 is arranged in the wire outlet pipe 3 and is connected with the converter 20 through the wire, so that the integral function is realized; wherein, the outlet pipe 3 penetrates through the flange 1 and is connected with the converter 20.

Example 2

Referring to fig. 4, the flange 1 is fixed on the housing 21 by bolts, and the fluid flows through the inlet of the housing 21, passes through the flowmeter and then flows out from the outlet, so that the flow rate of the passing fluid can be measured very simply; when the flowmeter is used for a long time or is not required to be used, the flowmeter can be taken down only by dismounting the bolts on the flange 1, and the flowmeter is very simple and practical and is very convenient to mount and dismount. The working strength of installation personnel is greatly reduced, and the working efficiency is improved.

The utility model discloses a theory of operation is: the inner part of a second conduit 52 is provided with a lining 10 through a pressure ring 19, a silicon steel sheet inner pack 15 is arranged on a screw 14, a coil 11 is fixed on a first conduit 51 and a third conduit 53 of an inner cylinder 5 through a silicon steel sheet outer pack 16, a gasket 12 and a nut 13, an electrode 9 is arranged on the lining 10 of the second conduit 52, an insulating pad 8 and a gland 7 are arranged on the electrode 9, the gland 7 is fixed on the inner cylinder 5 through a compression screw 17, a left sealing cover 4 of the inner cylinder 5 is connected with a flange 1 through a wire outlet pipe 3 and a connecting sleeve 2, a lead in the wire outlet pipe 3 is connected with a converter 20, and finally the whole is fixed on a shell 21 through the flange 1.

The above description is only for the specific embodiments of the present disclosure, but the scope of the present disclosure is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present disclosure, and all the changes or substitutions should be covered within the scope of the present disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.

Claims

1. A detachable high-voltage electromagnetic flowmeter comprises an inner barrel (5), a cross staggered conduit is arranged in the inner barrel (5), and is characterized in that the conduit comprises a first conduit (51), a second conduit (52) and a third conduit (53), a lining (10) is arranged on the second conduit (52) through a pressure ring (19), a silicon steel sheet inner bag (15) is arranged outside the second conduit (52), electrodes (9) are arranged at two ends of the lining (10) in the second conduit (52) in the inner barrel (5), an insulating pad (8) is arranged on the electrodes (9), a gland (7) is arranged on the insulating pad (8), the gland (7) is connected with the inner barrel (5) through a compression screw (17) with an O-shaped ring (6), a left sealing cover (4) and a right sealing cover (18) are respectively arranged at two sides of the inner barrel (5), a line outlet pipe (3) and a connecting sleeve (2) are arranged on the left sealing cover (4), go out spool (3) and adapter sleeve (2) and be connected with flange (1) respectively, it is connected with converter (20) to run through flange (1) to go out spool (3), is equipped with the wire of being connected with converter (20) in going out spool (3), flange (1) is through the bolt fastening on casing (21).

2. The removable high voltage electromagnetic flowmeter of claim 1, characterized in that the first (51) and third (53) conduits and the second conduit (52) are of a criss-cross design and are integral.

3. The detachable high-voltage electromagnetic flowmeter as recited in claim 1, wherein the silicon steel sheet inner pack (15) is fixed outside the second conduit (52) by a screw (14), a coil (11) is provided outside the silicon steel sheet inner pack (15), and the coil (11) is fixed on the first conduit (51) and the third conduit (53) of the inner cylinder (5) by the silicon steel sheet outer pack (16), the gasket (12) and the nut (13).

4. A removable high voltage electromagnetic flowmeter according to claim 1 wherein the liner (10) and the pressure ring (19) are disposed at both ends of the second conduit (52).

5. The detachable high-voltage electromagnetic flowmeter of claim 1, characterized in that the number of the electrodes (9), the insulating pads (8), the gland (7) and the compression screws (17) is two, and the two are symmetrically arranged on two sides of the second conduit (52).

6. The detachable high voltage electromagnetic flowmeter of claim 3, characterized in that the silicon steel sheet outer package (16) and the silicon steel sheet inner package (15) are connected by a screw (14).