CN216645476U

CN216645476U - Fluid flow equalizer

Info

Publication number: CN216645476U
Application number: CN202122988509.XU
Authority: CN
Inventors: 阚星辉; 王云龙
Original assignee: Wuxi Cartier Technology Development Co ltd
Current assignee: Wuxi Cartier Technology Development Co ltd
Priority date: 2021-12-01
Filing date: 2021-12-01
Publication date: 2022-05-31
Anticipated expiration: 2031-12-01

Abstract

The utility model discloses a fluid flow equalizer, which comprises a shell, a first rectifying screen plate and a second rectifying screen plate, wherein the first rectifying screen plate and the second rectifying screen plate are arranged in the shell; the shell is a hollow cylinder, and a rectification cavity for accommodating the first rectification screen plate and the second rectification screen plate is formed in the shell; the first rectification screen plate and the second rectification screen plate are respectively arranged at two ends of the rectification cavity and are fixedly connected with the shell. According to the utility model, the rectification screen plates are arranged at the two ends of the shell, so that the flow velocity of the fluid flowing through the flow equalizer can be adjusted twice and the vortex can be eliminated, the rectification strength is enhanced, the radial asymmetry of the fluid is reduced, and the problem of overlarge pressure drop during rectification can be avoided.

Description

Fluid flow equalizer

Technical Field

The utility model relates to the technical field of flow equalizers, in particular to a fluid flow equalizer.

Background

The measurement accuracy of velocity-based flow meters such as ultrasonic, vortex street, turbine, etc. is susceptible to fluid velocity profiles, swirl flow and fluid turbulence intensity. The upstream section of the flowmeter also comprises a pipeline, an elbow, a filter, a reducer and other parts, so that the flow velocity distribution symmetry of the fluid is easy to be distorted, and the metering error of the flowmeter is caused.

To reduce the metering error of the flow meter, it is common to install as long a straight pipe section as possible upstream of the flow meter to adequately establish a uniform flow rate. However, in most installation occasions, there is not enough space to install a straight pipe section with enough length, and the rectifier can effectively eliminate vortex and adjust the speed of fluid in the pipe.

The existing fluid rectifier has unsatisfactory rectification effect, and cannot well eliminate vortex and adjust the velocity distribution of fluid in a pipe.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a fluid current equalizer which can well eliminate vortex and adjust the velocity distribution of a fluid.

In order to realize the purpose of the utility model, the utility model adopts the following technical scheme: the device comprises a shell, a first rectification screen plate and a second rectification screen plate, wherein the first rectification screen plate and the second rectification screen plate are arranged in the shell; the shell is a hollow cylinder, and a rectification cavity for accommodating the first rectification screen plate and the second rectification screen plate is formed in the shell; the first rectification screen plate and the second rectification screen plate are respectively arranged at two ends of the rectification cavity and are fixedly connected with the shell.

Further, the first rectification mesh plate and the second rectification structure are the same; the first rectification otter board comprises a plurality of metal corrugated sheets, and the plurality of metal corrugated sheets are buckled pairwise to form a plurality of through holes.

Furthermore, the plurality of metal corrugated sheets which are buckled pairwise form a plurality of honeycombed through holes.

Furthermore, the metal corrugated sheets which are buckled in pairs are fixed by welding.

Further, a space exists between the first rectification mesh plate and the second rectification mesh plate.

Furthermore, two ends of the shell form an annular limiting table; the annular limiting table is arranged in a rectification cavity of the shell and used for positioning the first rectification screen plate and the second rectification screen plate.

Further, one end of the housing is provided with a connecting flange.

Furthermore, a plurality of connecting holes are formed in the connecting flange.

Compared with the prior art, the utility model has the advantages that:

according to the utility model, the rectification screen plates are arranged at the two ends of the shell, so that the flow velocity of the fluid flowing through the flow equalizer can be adjusted twice and the vortex can be eliminated, the rectification strength is enhanced, the radial asymmetry of the fluid is reduced, and the problem of overlarge pressure drop during rectification can be avoided.

Drawings

FIG. 1 is a schematic structural diagram of a fluid equalizer according to the present invention;

fig. 2 is a cross-sectional view along a-a of fig. 1.

Detailed Description

The following non-limiting detailed description of the present invention is provided in connection with the preferred embodiments and accompanying drawings. In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length h", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise. The embodiments described below with reference to the accompanying drawings are illustrative and intended to explain the present invention and should not be construed as limiting the present invention.

Referring to fig. 1 and 2, the fluid flow equalizer of the present invention comprises a housing 1, a first rectification screen plate 2 and a second rectification screen plate 3 arranged in the housing 1.

Casing 1 is hollow cylinder, and casing 1's inside is formed with the rectification chamber that holds first rectification otter board 2 and second rectification otter board 3, and first rectification otter board 2 and second rectification otter board 3 divide the both ends in rectification chamber to with casing 1 fixed connection. A space is reserved between the first rectification mesh plate 2 and the second rectification mesh plate 3.

Preferably, the both ends of casing 1 form the spacing platform of annular, and the spacing platform setting of annular is in the rectification chamber for fix a position first rectification otter board 2 and second rectification otter board 3 at the in-process of installation first rectification otter board 2 and second rectification otter board 3, thereby make things convenient for the accurate installation of first rectification otter board 2 and second rectification otter board 3.

One end of the shell 1 is provided with a connecting flange 11, and the connecting flange 11 is provided with a plurality of connecting holes 11 for connecting with a pipeline or other equipment.

The first rectification otter board 2 comprises a plurality of metal corrugated sheets, a plurality of through holes are formed by pairwise buckling of the metal corrugated sheets, and the metal corrugated sheets buckled pairwise are fixed through welding. Preferably, the plurality of metal corrugated sheets which are buckled with each other in pairs form a plurality of honeycombed through holes.

The second rectification mesh plate 3 has the same structure as the first rectification mesh plate 2, and is not described in detail here.

The first rectification screen plate 2 and the second rectification screen plate 3 are spaced, after fluid flows through the flow equalizer, the first rectification screen plate 2 and the second rectification screen plate 3 of the flow equalizer can adjust the speed distribution of the fluid twice, eddy currents are eliminated, the speed distribution of the fluid flowing through the flow equalizer is uniform, and therefore the metering accuracy of the flowmeter is improved.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A fluid equalizer, comprising:

the device comprises a shell, a first rectification screen plate and a second rectification screen plate, wherein the first rectification screen plate and the second rectification screen plate are arranged in the shell;

the shell is a hollow cylinder, and a rectification cavity for accommodating the first rectification screen plate and the second rectification screen plate is formed in the shell;

the first rectification screen plate and the second rectification screen plate are respectively arranged at two ends of the rectification cavity and are fixedly connected with the shell.

2. The fluid flow equalizer of claim 1, wherein:

the first rectification screen plate and the second rectification structure are the same;

the first rectification otter board comprises a plurality of metal corrugated sheets, and the plurality of metal corrugated sheets are buckled pairwise to form a plurality of through holes.

3. The fluid flow equalizer of claim 2, wherein:

the plurality of metal corrugated sheets which are buckled pairwise form a plurality of honeycombed through holes.

4. The fluid flow equalizer of claim 2, wherein:

and the two metal corrugated sheets which are buckled in pairs are fixed by welding.

5. The fluid flow equalizer of claim 1, wherein:

and a space is reserved between the first rectification mesh plate and the second rectification mesh plate.

6. The fluid flow equalizer of claim 1, wherein:

two ends of the shell form an annular limiting table;

the annular limiting table is arranged in a rectification cavity of the shell and used for positioning the first rectification screen plate and the second rectification screen plate.

7. The fluid flow equalizer of claim 1, wherein:

one end of the housing is provided with a connecting flange.

8. The fluid homogenizer of claim 7, wherein:

the connecting flange is provided with a plurality of connecting holes.