CN211602041U

CN211602041U - Elliptical surface bidirectional differential pressure detection wedge-shaped flowmeter

Info

Publication number: CN211602041U
Application number: CN202020592611.0U
Authority: CN
Inventors: 唐陈一郎; 曹永宁; 禹继波
Original assignee: Yinchuan Rongshenwei Automatic Meter Factory Co ltd
Current assignee: Yinchuan Rongshenwei Automatic Meter Factory Co ltd
Priority date: 2020-04-20
Filing date: 2020-04-20
Publication date: 2020-09-29
Anticipated expiration: 2030-04-20

Abstract

The utility model discloses a two-way differential pressure measuring wedge-shaped flowmeter of ellipsoid, which belongs to the technical field of wedge-shaped flowmeters and comprises a pipe body and a differential pressure transmitter, wherein both sides of the pipe body are respectively fixed with a connecting flange, a fixed disk is fixed in the middle of the bottom of the pipe body, a plurality of flushing heads penetrating into the pipe body are fixed at the top of the fixed disk, an injection pipe is fixed at the bottom of the fixed disk, and a sealing valve is installed at the bottom of the injection pipe, the plurality of flushing heads can quickly flush the wedge-shaped throttling element, so that the condition that the wedge-shaped flowmeter is inconvenient to clean is avoided.

Description

Elliptical surface bidirectional differential pressure detection wedge-shaped flowmeter

Technical Field

The utility model relates to a wedge flowmeter technical field specifically is a two-way differential pressure detection's of elliptical surface wedge flowmeter.

Background

The wedge-shaped flowmeter is a novel throttling differential pressure type flow measuring instrument, can perform high-precision flow measurement under the conditions of high viscosity, low Reynolds number, Reynolds number and 500 usable fluids, and has incomparable advantages and irreplaceable effects on flow measurement occasions with low flow velocity, small flow and large pipe diameter. The wedge-shaped flowmeter is mainly used for measuring the flow of media such as high-viscosity heavy oil, residual oil, diesel oil, engine oil and the like, industrial gas, coke oven gas, blast furnace gas, producer gas, urban gas, hydrogen, nitrogen, air, water vapor, sewage liquid and the like.

According to the Chinese patent with the publication number of CN209639786U, the wedge-shaped differential pressure flowmeter easy to clean is disclosed, a main through hole along the radial direction of a pipe body and a plurality of auxiliary through holes communicated with the main through hole are arranged, a limiting rod in the main through hole is taken out, a high-pressure cleaning agent is introduced into the through hole to clean the flowmeter, the defect that the traditional wedge-shaped flowmeter can be cleaned after being disassembled is overcome, and the measurement precision and the service life of the flowmeter are guaranteed.

But its mode is too complicated for it all needs to repeat the dismouting to clear up at every turn, and is not convenient enough, and wedge flowmeter is when moving simultaneously, all need connect a differential pressure transmitter, and differential pressure transmitter passes through the pulse pipe and gets the pressure mouth to be connected, and because the differential pressure transmitter who makes is different, and the pulse pipe length of its connection is different, makes after the intercommunication, and the pulse pipe of overlength can be shelved around wedge flowmeter, causes dirty and disorderly.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a two-way differential pressure detection's of elliptical surface wedge flowmeter to propose in solving above-mentioned background art and wash inconvenient and wedge flowmeter use the dirty indiscriminate problem of appearance to the wedge flowmeter.

In order to achieve the above object, the utility model provides a following technical scheme: a wedge-shaped flowmeter for elliptical surface bidirectional differential pressure detection comprises a pipe body and a differential pressure transmitter, wherein connecting flanges are fixed on two sides of the pipe body, a fixed disc is fixed in the middle of the bottom of the pipe body, a plurality of flushing heads penetrating into the pipe body are fixed on the top of the fixed disc, an injection pipe is fixed on the bottom of the fixed disc, a sealing valve is installed at the bottom of the injection pipe, a wedge-shaped throttling piece is fixed on the upper portion of the inside of the pipe body, a positive pressure taking pipe and a negative pressure taking pipe penetrate through two sides of the top of the pipe body respectively, a support column is fixed in the middle of the top of the pipe body, the differential pressure transmitter is installed at the top of the support column, pulse pipes are connected to two sides of the differential pressure transmitter, one end of each pulse pipe is communicated with the positive pressure taking pipe and the negative pressure taking pipe respectively, support plates are fixed on two sides of the, the inside of pressing from both sides the cover is seted up the draw-in groove.

Preferably, the tops of the plurality of the punching heads are flat with the inner wall of the tube body.

Preferably, a plurality of the punching heads are all positioned right below the wedge-shaped throttling element.

Preferably, the jacket is made of rubber.

Preferably, the clamping groove is semicircular, and the inner wall of the clamping groove is rough.

Compared with the prior art, the beneficial effects of the utility model are that: the wedge-shaped flowmeter for the elliptical surface bidirectional differential pressure detection is provided with a fixed disc, flushing heads, an injection pipe and a sealing valve, when the wedge-shaped flowmeter needs to be cleaned, a worker can butt external high-pressure cleaning equipment with the injection pipe, then the sealing valve is opened, cleaning liquid is injected into the fixed disc through the injection pipe, then the cleaning liquid is sprayed out through a plurality of flushing heads through the fixed disc, as the plurality of flushing heads are all positioned under a wedge-shaped throttling piece, the plurality of flushing heads can quickly flush the wedge-shaped throttling piece, the condition that the wedge-shaped flowmeter is inconvenient to clean is avoided, the wedge-shaped flowmeter for the elliptical surface bidirectional differential pressure detection is provided with a jacket and a clamping groove, when a pulse pipe of a differential pressure transmitter connected with the wedge-shaped flowmeter is too long, the worker can clamp the overlong pulse pipe into the clamping groove in the jacket to open the jacket made of rubber, thereby let the clamp cover clip the pulse pipe, and because the clamp cover is provided with a plurality ofly for the staff can repeat the operation, fixes the pulse pipe of overlength completely, prevents that the pulse pipe from putting in disorder, has avoided the dirty condition of wedge flowmeter use to appear.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the cross-sectional structure of the tube body of the present invention;

FIG. 3 is a schematic side view of the jacket according to the present invention;

fig. 4 is a schematic diagram of a partially enlarged structure of the present invention a.

In the figure: 1. a pipe body; 2. fixing the disc; 3. taking a catheter by positive pressure; 4. a negative pressure tapping conduit; 5. a support pillar; 6. a differential pressure transmitter; 7. a pulse tube; 8. a support plate; 9. a connecting flange; 10. a wedge-shaped orifice; 11. a brush head is punched; 12. an injection pipe; 13. a sealing valve; 14. a jacket; 15. a clamping groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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 a person skilled in the art without creative work belong to the protection scope of the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "disposed," "mounted," "connected," "fixed," "sleeved," and the like are to be construed broadly, e.g., as either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; the two elements may be connected directly or indirectly through an intermediate medium, and the two elements may be connected internally or in an interaction relationship, and a person skilled in the art can understand the specific meaning of the above terms in the present invention according to specific situations.

Referring to fig. 1-4, the present invention provides a technical solution: a wedge-shaped flowmeter for elliptical surface bidirectional differential pressure detection comprises a pipe body 1, a fixed disk 2, a positive pressure taking pipe 3, a negative pressure taking pipe 4, a support pillar 5, a differential pressure transmitter 6, a pulse pipe 7, a support plate 8, a connecting flange 9, a wedge-shaped throttling piece 10, a scouring head 11, an injection pipe 12, a seal valve 13, a jacket 14 and a clamping groove 15, wherein the connecting flange 9 is fixed on two sides of the pipe body 1, the fixed disk 2 is fixed in the middle of the bottom of the pipe body 1, the top of the fixed disk 2 is fixed with a plurality of scouring heads 11 penetrating into the pipe body 1, the injection pipe 12 is fixed at the bottom of the fixed disk 2, the seal valve 13 is installed at the bottom of the injection pipe 12, the wedge-shaped throttling piece 10 is fixed above the inside of the pipe body 1, the positive pressure taking pipe 3 and the negative pressure taking pipe 4 penetrate through two sides of the top of the pipe body 1 respectively, the support pillar 5 is, differential pressure transmitter 6's both sides all are connected with pulse tube 7, and pulse tube 7's one end is got pipe 3 and negative pressure respectively with the malleation and is got pressure pipe 4 intercommunication, and the both sides of support column 5 all are fixed with backup pad 8, and backup pad 8's top and bottom all are fixed with and press from both sides cover 14, and draw-in groove 15 has been seted up to the inside that presss from both sides cover 14.

Referring to fig. 1-3, the tops of the plurality of flushing heads 11 are flush with the inner wall of the pipe body 1, so that the flushing heads 11 do not affect the pipe body 1 in the normal use process, and the plurality of flushing heads 11 are located right below the wedge-shaped throttling element 10, so that the flushing heads 11 can flush and clean the wedge-shaped throttling element 10 conveniently.

Referring to fig. 1, 2 and 4, the jacket 14 is made of rubber, so that the jacket 14 is elastic, the clamping groove 15 is semicircular, and the inner wall of the clamping groove 15 is rough, so that the pulse tube 7 is more stable after being fixed.

The working principle is as follows: firstly, when the wedge-shaped flowmeter is installed and needs to be used, when the pulse tube 7 of the differential pressure transmitter 6 connected with the wedge-shaped flowmeter is too long, a worker can clamp the too long pulse tube 7 into the clamping groove 15 in the jacket 14 and open the jacket 14 made of rubber, so that the jacket 14 clamps the pulse tube 7, and the jacket 14 is provided with a plurality of jackets, so that the worker can repeatedly operate to completely fix the too long pulse tube 7 and prevent the pulse tube 7 from being placed in a mess, when the wedge-shaped flowmeter is used and needs to be cleaned, the worker can butt an external high-pressure cleaning device with the injection pipe 12, then open the sealing valve 13 to inject cleaning liquid into the fixed disk 2 through the injection pipe 12, then the cleaning liquid is ejected out through the fixed disk 2 by the plurality of flushing heads 11, and because the plurality of flushing heads 11 are all positioned under the wedge-shaped throttling element 10, so that the plurality of flushing heads 11 can quickly flush the wedge-shaped throttling element 10 to finish cleaning.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a two-way differential pressure detection's of elliptical surface wedge flowmeter, includes body (1) and differential pressure transmitter (6), its characterized in that: the pipe body structure is characterized in that connecting flanges (9) are fixed on two sides of the pipe body (1), a fixed disc (2) is fixed in the middle of the bottom of the pipe body (1), a plurality of flushing heads (11) penetrating the inside of the pipe body (1) are fixed at the top of the fixed disc (2), an injection pipe (12) is fixed at the bottom of the fixed disc (2), a sealing valve (13) is installed at the bottom of the injection pipe (12), a wedge-shaped throttling piece (10) is fixed above the inside of the pipe body (1), a positive pressure taking pipe (3) and a negative pressure taking pipe (4) penetrate through two sides of the top of the pipe body (1) respectively, a support column (5) is fixed in the middle of the top of the pipe body (1), a differential pressure transmitter (6) is installed at the top of the support column (5), pulse pipes (7) are connected on two sides of the differential pressure transmitter (6), and one end of each pulse pipe (7) is communicated with the positive pressure taking pipe, supporting plates (8) are fixed to two sides of the supporting column (5), clamping sleeves (14) are fixed to the top and the bottom of each supporting plate (8), and clamping grooves (15) are formed in the clamping sleeves (14).

2. The elliptical bi-directional differential pressure sensing wedge flowmeter of claim 1, wherein: the tops of the plurality of the punching heads (11) are kept flat with the inner wall of the tube body (1).

3. The elliptical bi-directional differential pressure sensing wedge flowmeter of claim 1, wherein: the punching heads (11) are all positioned right below the wedge-shaped throttling element (10).

4. The elliptical bi-directional differential pressure sensing wedge flowmeter of claim 1, wherein: the jacket (14) is made of rubber.

5. The elliptical bi-directional differential pressure sensing wedge flowmeter of claim 1, wherein: the clamping groove (15) is semicircular, and the inner wall of the clamping groove (15) is rough.