CN217900919U

CN217900919U - Plug-in electromagnetic flowmeter

Info

Publication number: CN217900919U
Application number: CN202221970215.2U
Authority: CN
Inventors: 袁长红; 孙家啟; 田保顺
Original assignee: Kaifeng Yokogawa Flow Meter Co ltd
Current assignee: Kaifeng Yokogawa Flow Meter Co ltd
Priority date: 2022-07-28
Filing date: 2022-07-28
Publication date: 2022-11-25
Anticipated expiration: 2032-07-28

Abstract

The utility model relates to a bayonet electromagnetic flowmeter, including two velocity of flow acquisition electrodes of connecting rod and the symmetrical installation of connecting rod bottom, the connecting rod on the cover be equipped with the connecting pipe, be equipped with the ball valve on the connecting pipe, be equipped with the pressure release pipe on the connecting pipe of ball valve top, be equipped with the liquid storage pot on the exit end of pressure release pipe, be equipped with first governing valve on the pressure release pipe, be equipped with first clamping ring, sealing filler ring and second clamping ring on the connecting pipe intracavity connecting rod of pressure release pipe top, first clamping ring fixed mounting is in the inner chamber of connecting pipe, be equipped with the locking bolt on the connecting pipe of second clamping ring top, be equipped with the go-between on the connecting rod of connecting pipe top, be equipped with the flow direction mark on the go-between, the axis of flow direction mark is located two symmetric planes of flow rate acquisition electrode. Thereby reduce the skew that the bayonet electromagnetic flowmeter mounted position that the pressure risees too fast and arouses takes place when being opened in the installation pipeline, the utility model discloses adjust, convenient to use has extensive market prospect.

Description

Plug-in electromagnetic flowmeter

Technical Field

The utility model relates to an electromagnetic flowmeter field, concretely relates to bayonet electromagnetic flowmeter.

Background

The plug-in electromagnetic flowmeter is mainly used for measuring the volume flow of conductive liquid and serous fluid in a closed pipeline on a measuring device, and is widely applied to industries of petroleum, chemical engineering, metallurgy, textile, food, pharmacy, papermaking and the like, and the fields of environmental protection, municipal administration, water conservancy construction and the like.

For the area of carrying corrosive liquid medium pipeline under pressure, all be with welded mode or utilize the staple bolt to fix the installation pipe to by on the installation pipeline among the prior art, install the ball valve on the installation pipe usually, install bayonet electromagnetic flowmeter's inserted bar to by the prefabricated position of installation pipeline after, open by installation pipeline transport medium, because it is that the medium of being transported has corrosivity and carry under pressure, it is extremely easy to appear in the moment of opening because the pressure transient rising in the pipeline under pressure is too fast with bayonet electromagnetic flowmeter position emergence skew, the light person need follow the mounted position of newly correcting bayonet electromagnetic flowmeter, serious can lead to that bayonet electromagnetic flowmeter wholly dashes to fly off and lead to bayonet electromagnetic flowmeter body to cause damage and the leakage of corrosive liquid medium.

Disclosure of Invention

The utility model provides a be not enough to prior art, the utility model provides a can reduce owing to take the area to press opening of corrosive liquid medium by the installation pipeline and take place the bayonet electromagnetic flowmeter mounted position that squints that the pressure risees at the twinkling of an eye arouses by installation pipeline internal pressure for overcome defect among the prior art.

The utility model adopts the technical proposal that: the utility model provides a bayonet electromagnetic flowmeter, including two velocity of flow collection electrodes of connecting rod and connecting rod bottom symmetry installation, the connecting rod on the cover be equipped with the connecting pipe, be provided with the ball valve on the connecting pipe, be provided with the pressure release pipe on the connecting pipe of ball valve top, be provided with the liquid storage pot on the exit end of pressure release pipe, be provided with first governing valve on the pressure release pipe, along being close to pressure release pipe to having set gradually first clamping ring in the direction of keeping away from the pressure release pipe on the connecting pipe cavity of pressure release pipe top on the connecting rod, sealed drilled packing ring and second clamping ring, first clamping ring fixed mounting is in the inner chamber of connecting pipe, be provided with the locking bolt on the connecting pipe of second clamping ring top, the medial extremity and the connecting rod of locking bolt offset, be provided with the go-between on the connecting rod of connecting pipe top, be provided with the flow direction mark on the go-between, flow direction mark axis is located two velocity of flow collection electrodes's plane of symmetry.

Preferably, the top of connecting pipe on be provided with the connecting plate, be provided with the clamp plate that packs on the connecting rod of connecting plate top, be provided with the compression ring that packs on the connecting rod of clamp plate below, the top and the clamp plate that packs of compression ring offset, the bottom movable sleeve of packing compression ring is in the connecting pipe, is provided with the actuating lever between packing compression ring and the second compression ring, packing compression ring and connecting plate are fixed through fixing bolt.

Preferably, the top end of the liquid storage tank is provided with an exhaust pipe, the exhaust pipe is of an L-shaped tubular structure, and the exhaust pipe is provided with a second regulating valve.

Preferably, a scale layer is arranged on the connecting rod below the connecting ring.

Preferably, the number of the stop bolts is a plurality, and the stop bolts are distributed on the connecting pipe on the outer side of the connecting rod in a star shape.

Preferably, the quantity of actuating lever adopt a plurality of, a plurality of actuating lever is the star and distributes in the outside of connecting rod, the equal fixed mounting of a plurality of actuating lever is in the bottom of packing the clamping ring.

Preferably, the bottom end of the liquid storage tank is provided with a liquid discharge pipe, the liquid discharge pipe is provided with a stop valve, the outlet end of the pressure relief pipe is installed on the liquid storage tank between the liquid discharge pipe and the exhaust pipe, and the liquid storage tank is provided with a liquid level meter.

The utility model discloses beneficial effect is:

at first, the utility model discloses thereby reduced owing to by opening of installation pipeline pressure corrosive liquid medium in the twinkling of an eye by the installation pipeline internal pressure rise at the excessive speed bayonet electromagnetic flowmeter mounted position that arouses take place the technical problem of skew.

Secondly, the utility model discloses the blast pipe adopts L font tubular structure, avoids on one's body that vaporific corrosive liquids medium directly sprays the staff, has reduced because vaporific corrosive liquids directly sprays the personal injury that the staff caused on one's body.

Finally, the utility model discloses be provided with the flow direction mark on the go-between, the axis that flows to the mark is located the plane of symmetry of two velocity of flow collection electrodes. The final installation direction of the two flow velocity collecting electrodes can be adjusted conveniently through the flow direction indicator.

The utility model has the advantages of simple structure, convenient operation, design benefit has improved work efficiency greatly, has fine social and economic benefits, is the product of easily using widely.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a partially enlarged schematic view of detail a of fig. 1.

Fig. 3 is a schematic view of the installation state of the present invention.

Detailed Description

As shown in fig. 1 to 3, a plug-in electromagnetic flowmeter, including two velocity of flow collection electrodes 2 of connecting rod 1 and the symmetrical installation in connecting rod 1 bottom, connecting rod 1 go up the cover and be equipped with connecting pipe 3, the axis of connecting rod 1 and the axis of connecting pipe 3 are located same axis, be provided with ball valve 4 on the connecting pipe 3, be provided with pressure release pipe 5 on the connecting pipe 3 of ball valve 4 top, be provided with liquid storage pot 6 on the outlet end of pressure release pipe 5, be provided with first governing valve 7 on the pressure release pipe 5, in connecting pipe 3 inner chamber of pressure release pipe 5 top on connecting rod 1 along being close to pressure release pipe 5 to keeping away from pressure release pipe 5 on the direction in proper order first clamping ring 8, sealed drilled ring 9 and second clamping ring 10, first clamping ring 8 fixed mounting is in the inner chamber of connecting pipe 3, sealed drilled ring 9 and the equal movable suit of second clamping ring 10 are on connecting rod 1, be provided with stop bolt 11 on the connecting pipe 3 of second clamping ring 10 top, the quantity of stop bolt 11 adopt a plurality of, a plurality of stop bolt 11 is the star and distributes on connecting pipe 3 in the outside connecting rod 1. The inner side ends of the stop bolts 11 are abutted against the connecting rod 1, and the stop effect of the stop bolts 11 on the connecting rod 1 is improved by utilizing a plurality of star-shaped stop bolts 11. A connecting ring 12 is arranged on the connecting rod 1 above the connecting pipe 3, a flow direction indicator 13 is arranged on the connecting ring 12, and the central axis of the flow direction indicator 13 is positioned on the symmetrical plane of the two flow rate collecting electrodes 2.

Connecting pipe 3's top on be provided with connecting plate 14, be provided with packing clamp plate 15 on the connecting rod 1 of connecting plate 14 top, be provided with packing clamping ring 16 on the connecting rod 1 of packing clamp plate 15 below, packing clamping ring 16's top offsets with packing clamp plate 15, packing clamping ring 16's bottom movable sleeve is in connecting pipe 3, is provided with actuating lever 17 between packing clamping ring 16 and the second clamping ring 10, packing clamp plate 15 and connecting plate 14 are fixed through fixing bolt. The number of the fixing bolts is a plurality of fixing bolts which are distributed on the outer side of the connecting rod 1 in a star shape.

The top end of the liquid storage tank 6 is provided with an exhaust pipe 18, in the process that a medium conveyed by an installation pipeline 24 is conveyed to the liquid storage tank 6 through a connecting pipe 3, a ball valve 4 and a pressure relief pipe 5 in sequence, after the gas-liquid separation of the medium occurs in the liquid storage tank 6, part of the medium still exists in a foggy state and is exhausted along with gas, in order to avoid that the foggy corrosive liquid medium is directly sprayed to the body of a worker, the exhaust pipe 18 of the product adopts an L-shaped tubular structure, the gas is guided by the L-shaped exhaust pipe 18, so that the foggy corrosive liquid medium is discharged to one side far away from the worker, and the personal injury caused by the fact that the foggy corrosive liquid medium is directly sprayed to the body of the worker is reduced; the exhaust pipe 18 is provided with a second regulating valve 19.

The connecting rod 1 below the connecting ring 12 is provided with a scale layer 20. The scale layer 20 extends in a direction from the connecting ring 12 to the connecting ring 12.

The quantity of actuating lever 17 adopt a plurality of, a plurality of actuating lever 17 is star distribution in the outside of connecting rod 1, the top fixed mounting of actuating lever 17 packs the bottom of clamping ring 16. The bottom end of the driving rod 17 abuts against the second pressing ring 10, so that the stress uniformity of the second pressing ring 10 is improved.

The bottom end of the liquid storage tank 6 is provided with a liquid discharge pipe 21, so that the liquid stored in the liquid storage tank 6 can be emptied by using the liquid discharge pipe 21; a stop valve 22 is arranged on the liquid discharge pipe 21, the outlet end of the pressure relief pipe 5 is arranged on the liquid storage tank 6 between the liquid discharge pipe 21 and the exhaust pipe 18, and a liquid level meter 23 is arranged on the liquid storage tank 6, so that the liquid level in the liquid storage tank 6 can be fed back by utilizing the liquid level meter 23.

The use method of the product is as follows: as shown in fig. 1 to 3, a hole is drilled in the installed pipe 24, then the connection pipe 3 is installed outside the position of the drilled hole in the installed pipe 24, and it is determined that the central axes of the connection pipe 3 and the installed pipe 24 are positioned on the same straight line, and then the bottom end of the connection pipe 3 is fixed to the outside of the installed pipe 24 by welding. Then, the ball valve 4 is opened, the bottom end of the connecting rod 1 penetrates through a valve core of the ball valve 4 and then is gradually inserted into an inner cavity of the installed pipeline 24, the final depths of the two flow rate collecting electrodes 2 are determined according to the scale layers 20 on the connecting rod 1, the installation directions of the two flow rate collecting electrodes 2 are adjusted according to the flow direction mark 13, then the fixing bolt is screwed down to tightly press the packing pressing plate 15, in the process that the packing pressing plate 15 is tightly pressed, the packing pressing plate 15 drives the packing pressing ring 16 to move towards the first pressing ring 8, the packing pressing ring 16 drives the plurality of driving rods 17 to force the second pressing ring 10 to move towards the first pressing ring 8, and therefore deformation of the sealing packing ring 9 is promoted, and therefore the gap between the connecting pipe 3 and the connecting rod 1 is sealed. Finally, several stop bolts 11 are tightened, thereby fixing the connecting rod 1.

When being started to carry corrosive liquid medium by installation pipeline 24, first governing valve 7 and second governing valve 19 all are in the open mode, at this in-process, the medium that is carried by installation pipeline 24 is in proper order through connecting pipe 3, the in-process of ball valve 4 and pressure release pipe 5 transport to liquid storage pot 6, thereby the air of former storage is discharged through the end of blast pipe 18 by the medium part replacement that gets into in the liquid storage pot 6, when the numerical value of gathering electrode 2 feedback at two velocity of flow tends to the stability, close at the uniform velocity first governing valve 7 at the constant velocity gradually accomplishes the installation of this product. And finally, opening a stop valve 22 on the liquid discharge pipe 21, and discharging the corrosive liquid medium temporarily stored in the liquid storage tank 6 through the tail end of the liquid discharge pipe 21.

Through this embodiment, utilize a plurality of stop bolt 11 to improve the locking effect to connecting rod 1, and utilize the pressure release pipe 5, liquid storage pot 6 and blast pipe 18 carry out part pressure release to the corrosive liquid medium that the area pressed and carried, direct effort to connecting rod 1 production has been reduced, then the first governing valve 7 of installation on closing pressure release pipe 5 at the uniform velocity gradually, the atress of improvement connecting rod 1 at the uniform velocity step by step, thereby reduce because the opening of being carried area corrosive liquid medium by the installation pipeline rises the technical problem that the skew takes place for the bayonet electromagnetic flowmeter mounted position that arouses in the twinkling of an eye by the installation pipeline internal pressure.

The utility model discloses a satisfy a bayonet electromagnetic flowmeter in electromagnetic flowmeter field worker needs, make the utility model discloses extensive market prospect has.

Claims

1. The utility model provides a bayonet electromagnetic flowmeter, includes two velocity of flow collection electrodes (2) of connecting rod (1) and connecting rod (1) bottom symmetry installation, its characterized in that: connecting rod (1) go up the cover and be equipped with connecting pipe (3), be provided with ball valve (4) on connecting pipe (3), be provided with pressure release pipe (5) on connecting pipe (3) of ball valve (4) top, be provided with liquid storage pot (6) on the exit end of pressure release pipe (5), be provided with first governing valve (7) on pressure release pipe (5), connecting pipe (3) inner chamber above pressure release pipe (5) goes up along being close to pressure release pipe (5) to keeping away from in the direction of pressure release pipe (5) first clamping ring (8) have set gradually, sealed drilled packing ring (9) and second clamping ring (10), first clamping ring (8) fixed mounting is in the inner chamber of connecting pipe (3), be provided with on connecting pipe (3) of second clamping ring (10) top stop bolt (11), the medial extremity and connecting rod (1) of stop bolt (11) offset, be provided with go-between (12) on connecting pipe (1) of connecting pipe (3) top, be provided with flow direction mark (13) on go-between (12), the axis that flows to mark (13) is located the symmetry face of two velocity of flow and gathers electrode (2).

2. The plug-in electromagnetic flowmeter of claim 1 wherein: the connecting pipe is characterized in that a connecting plate (14) is arranged on the top end of the connecting pipe (3), a packing pressing plate (15) is arranged on the connecting rod (1) above the connecting plate (14), a packing pressing ring (16) is arranged on the connecting rod (1) below the packing pressing plate (15), the top of the packing pressing ring (16) is abutted to the packing pressing plate (15), the bottom of the packing pressing ring (16) is movably sleeved in the connecting pipe (3), a driving rod (17) is arranged between the packing pressing ring (16) and the second pressing ring (10), and the packing pressing plate (15) and the connecting plate (14) are fixed through a fixing bolt.

3. The plug-in electromagnetic flowmeter of claim 1 wherein: an exhaust pipe (18) is arranged at the top end of the liquid storage tank (6), the exhaust pipe (18) is of an L-shaped tubular structure, and a second regulating valve (19) is arranged on the exhaust pipe (18).

4. The plug-in electromagnetic flowmeter of claim 1 wherein: and a scale layer (20) is arranged on the connecting rod (1) below the connecting ring (12).

5. The plug-in electromagnetic flow meter according to claim 1, characterized in that: the number of the stop bolts (11) is a plurality, and the stop bolts (11) are distributed on the connecting pipe (3) on the outer side of the connecting rod (1) in a star shape.

6. The plug-in electromagnetic flowmeter of claim 2 wherein: the quantity of actuating lever (17) adopt a plurality of, a plurality of actuating lever (17) are the star and distribute in the outside of connecting rod (1), the equal fixed mounting of a plurality of actuating lever (17) is in the bottom of packing clamping ring (16).

7. The plug-in electromagnetic flow meter according to claim 3, characterized in that: the bottom end of the liquid storage tank (6) is provided with a liquid discharge pipe (21), the liquid discharge pipe (21) is provided with a stop valve (22), the outlet end of the pressure relief pipe (5) is arranged on the liquid storage tank (6) between the liquid discharge pipe (21) and the exhaust pipe (18), and the liquid level meter (23) is arranged on the liquid storage tank (6).