CN217980422U

CN217980422U - Steady flow shunt of Coriolis mass flowmeter

Info

Publication number: CN217980422U
Application number: CN202221698349.3U
Authority: CN
Inventors: 孔庆胜; 程杰; 黄中先
Original assignee: Anhui Tianwei Instrument Co ltd
Current assignee: Anhui Tianwei Instrument Co ltd
Priority date: 2022-07-01
Filing date: 2022-07-01
Publication date: 2022-12-06
Anticipated expiration: 2032-07-01

Abstract

The utility model relates to a flowmeter technical field specifically is a coriolis mass flow meter's stationary flow shunt, the one end of shunt shell is provided with the import pipe, and the downside of shunt shell is located one end position department and is provided with two outlet pipes, two set up side by side between the outlet pipe, the inside of shunt shell, import pipe, outlet pipe is provided with the stationary flow runner, the stationary flow runner is including seting up in shunt shell and the inside runner import way of inlet pipe, seting up in the inside middle section transition runner of shunt shell, seting up in the inside runner outlet way of shunt shell and two outlet pipes. The utility model discloses, through the runner import way of stationary flow runner, carry out preliminary buffering to the high-speed fluid that flows in, reduce fluidic disturbance by a wide margin, then the fluid enters into the inboard of middle section transition runner, and middle section transition runner makes the fluid flow through steadily to it is inboard to make the fluid can flow into the U-shaped pipe of flowmeter steadily.

Description

Steady flow shunt of Coriolis mass flowmeter

Technical Field

The utility model relates to a flowmeter technical field specifically is a steady flow shunt of coriolis mass flow meter.

Background

Coriolis mass flowmeter, called Coriolis force flowmeter for short, is a device for directly measuring mass flow by using the principle that Coriolis force proportional to mass flow is generated when fluid flows in a vibrating pipeline, and comprises a flow detection element and a converter. The Coriolis mass flowmeter realizes direct measurement of mass flow, has the characteristics of high precision and capability of measuring multiple media and multiple process parameters, and is widely applied to industries such as petrifaction, pharmacy, food and the like.

The flow divider is an important component in the mass flow meter, and the main function of the flow divider is to stabilize and divide the flow entering the U-shaped pipe.

However, the unreasonable design of the flow channel of the existing flow divider can cause pulsation and turbulence of fluid entering the U-shaped pipe, so that the U-shaped pipe is greatly impacted, the U-shaped pipe generates additional vibration to interfere with the calculation of the phase difference, and the measurement accuracy of the flow meter is affected. Accordingly, one skilled in the art provides a flow stabilizer for a coriolis mass flowmeter that addresses the problems set forth in the background above.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a steady flow shunt of coriolis mass flow meter to solve the problem that proposes among the above-mentioned background art.

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

the utility model provides a coriolis mass flow meter's stationary flow shunt, includes the shunt shell, the one end of shunt shell is provided with the import pipe, and the downside of shunt shell is located one end position department and is provided with two outlet pipes, two set up side by side between the outlet pipe, the inside of shunt shell, import pipe, outlet pipe is provided with the stationary flow runner, the stationary flow runner is including seting up in shunt shell and the inside runner entrance way of inlet pipe, seting up in the inside middle section transition runner of shunt shell, seting up in shunt shell and two export intraduct runner exit ways, the one end of runner entrance way and the one end intercommunication of middle section transition runner, two the one end of runner exit way all communicates with the other end of middle section transition runner.

As a further aspect of the present invention: the flow channel inlet channel is of a conical structure, and the caliber of the inlet end of the flow channel inlet channel is smaller than that of the outlet end.

As the utility model discloses further scheme again: the inner side of the middle section transition flow passage is of a curved surface structure, and the calibers of two outlet ports of the middle section transition flow passage, which are communicated with the two flow passage outlet passages, are smaller than the calibers of inlet ports of the flow passage inlet passages.

As the utility model discloses further scheme again: and the two flow channel outlet channels are of cylindrical structures.

As the utility model discloses further scheme again: the surface of the shunt shell is of a spherical structure.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a novelty, through the runner import way of stationary flow runner, the high-speed fluid to the inflow carries out preliminary buffering, reduces fluidic disturbance by a wide margin, then the fluid enters into the inboard of middle section transition runner, and middle section transition runner makes the fluid flow through steadily to it is inboard to make the fluid can flow in the U-shaped pipe of flowmeter steadily, makes the fluid strike the vibration that causes to reduce to one and does not influence the within range that the phase difference calculated to the U-shaped pipe.

Drawings

FIG. 1 is a schematic view of a flow stabilizer diverter of a Coriolis mass flow meter;

FIG. 2 is a schematic side view of a flow diverter of a Coriolis mass flow meter;

FIG. 3 is a schematic perspective view of a flow stabilizer channel in a flow stabilizer diverter of a Coriolis mass flowmeter;

fig. 4 is a schematic side view of a flow stabilizer channel in a flow stabilizer diverter of a coriolis mass flowmeter.

In the figure: 1. a shunt housing; 2. an inlet pipe; 3. an outlet pipe; 4. a runner inlet passage; 5. a middle section transition flow passage; 6. and a flow channel outlet channel.

Detailed Description

Please refer to fig. 1-4, in an embodiment of the utility model, a coriolis mass flowmeter's stationary flow shunt, including shunt shell 1, shunt shell 1's one end is provided with import pipe 2, and shunt shell 1's downside is located one end position department and is provided with two outlet pipes 3, set up side by side between two outlet pipes 3, shunt shell 1, import pipe 2, outlet pipe 3's inside is provided with the stationary flow runner, the stationary flow runner is including seting up in shunt shell 1 and the inside runner inlet channel 4 of import pipe 2, set up in the inside middle section transition runner 5 of shunt shell 1, set up in shunt shell 1 and the inside runner outlet channel 6 of two outlet pipes 3, the one end of runner inlet channel 4 communicates with the one end of middle section transition runner 5, the one end of two runner outlet channels 6 all communicates with the other end of middle section transition runner 5.

In fig. 3 and 4: the runner inlet passage 4 is of a conical structure, the caliber of the inlet end of the runner inlet passage 4 is smaller than that of the outlet end, the runner inlet passage 4 is of a conical structure, and the caliber of the inlet port of the runner inlet passage 4 is smaller than that of the outlet port, so that the runner inlet passage 4 can preliminarily buffer high-speed fluid, and the disturbance of the high-speed fluid is greatly reduced.

In fig. 3 and 4: the inner side of the middle section transition flow passage 5 is of a curved surface structure, the calibers of two outlet ports, communicated with the two flow passage outlet passages 6, of the middle section transition flow passage 5 are smaller than the calibers of inlet ports of the flow passage inlet passages 4, the inner side of the middle section transition flow passage 5 is of a curved surface structure, and the calibers of the inner side of the middle section transition flow passage 5 are gradually reduced, so that pulsation and turbulence can not be generated when fluid flows on the inner side, the fluid can stably flow into the inner side of a U-shaped pipe of the flowmeter, and vibration caused by impact of the fluid on the U-shaped pipe is reduced to a range which does not affect phase difference calculation.

In fig. 3: the two runner outlet channels 6 are both cylindrical structures, and the cylindrical structures enable the fluid after the steady flow to stably flow out.

In fig. 1 and 2: the surface of shunt shell 1 is the sphere shape structure, and the sphere shape structure improves the aesthetic property.

The utility model discloses a theory of operation is: when the flow channel inlet passage 4 in the inlet pipe 2 is communicated with an external fluid source, the flow channel outlet passages 6 in the two outlet pipes 3 are communicated with one end of a U-shaped pipe of a flow meter, when external high-speed fluid enters the flow channel inlet passage 4, the flow channel inlet passage 4 is in a conical structure, and the caliber of the inlet port of the flow channel inlet passage 4 is smaller than that of the outlet port, so that the flow channel inlet passage 4 can primarily buffer the high-speed fluid, the disturbance of the high-speed fluid is greatly reduced, the buffered fluid continuously flows to the inner side of the middle section transition passage 5, the inner side of the middle section transition passage 5 is in a curved surface structure, and the caliber of the inner side of the middle section transition passage 5 is gradually reduced, so that the fluid cannot generate pulsation and turbulence when flowing in the inner side, the fluid can smoothly flow into the inner side of the U-shaped pipe of the flow meter, and the vibration caused by the impact of the fluid on the U-shaped pipe is reduced to a range which does not influence phase difference calculation.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a coriolis mass flowmeter's stationary flow shunt, includes shunt shell (1), its characterized in that, the one end of shunt shell (1) is provided with import pipe (2), and the downside of shunt shell (1) is located one end position department and is provided with two outlet pipes (3), two set up side by side between outlet pipe (3), the inside of shunt shell (1), import pipe (2), outlet pipe (3) is provided with the stationary flow runner, the stationary flow runner is including seting up in shunt shell (1) and the inside runner inlet (4) of import pipe (2), seting up in the inside middle section transition runner (5) of shunt shell (1), seting up in shunt shell (1) and the inside runner outlet (6) of two outlet pipes (3), the one end of runner inlet (4) and the one end intercommunication of middle section transition runner (5), two the one end of runner outlet (6) all communicates with the other end of middle section transition runner (5).

2. A flow stabilizer diverter for a coriolis mass flowmeter as set forth in claim 1 wherein said flow channel inlet (4) is tapered and the inlet end diameter of said flow channel inlet (4) is smaller than the outlet end diameter.

3. The flow stabilizer of the coriolis mass flowmeter as set forth in claim 1, wherein said intermediate flow channel (5) has a curved inner surface, and wherein the diameters of two outlet ports of said intermediate flow channel (5) communicating with said two flow channel outlet channels (6) are smaller than the diameter of the inlet port of said flow channel inlet channel (4).

4. A flow stabilizer flow diverter for a coriolis mass flowmeter as set forth in claim 1 wherein each of said flow channel outlet channels (6) is of cylindrical configuration.

5. A flow stabilizer flow diverter for a coriolis mass flowmeter as set forth in claim 1 characterized in that said diverter housing (1) has a spherical surface configuration.