CN223783692U - A compact high-pressure orifice plate flow meter - Google Patents
A compact high-pressure orifice plate flow meterInfo
- Publication number
- CN223783692U CN223783692U CN202520438275.7U CN202520438275U CN223783692U CN 223783692 U CN223783692 U CN 223783692U CN 202520438275 U CN202520438275 U CN 202520438275U CN 223783692 U CN223783692 U CN 223783692U
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- CN
- China
- Prior art keywords
- orifice plate
- orifice
- flow meter
- compact high
- plate flow
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
本实用新型公开了一种紧凑型高压孔板流量计，涉及孔板流量计技术领域，包括：孔板流量计本体，所述孔板流量计本体的两端通过法兰安装有被测管道，所述孔板流量计本体的外侧壁固定连接有两个连接管，且两个连接管与孔板流量计本体相连通，两个所述连接管远离孔板流量计本体的一端固定连接有压力器，所述孔板流量计本体的内壁设置有节流板，所述节流板的中心一侧设置有节流孔，所述孔板流量计本体与被测管道的连接处设置有保护单元。通过在孔板流量计本体与被测管道的连接处设置保护单元，提升了连接处的密封性和耐用性。这不仅减少了潜在的安全隐患，还延长了设备的使用寿命。
This utility model discloses a compact high-pressure orifice plate flow meter, relating to the field of orifice plate flow meter technology. It includes: an orifice plate flow meter body; two pipes to be measured are installed at both ends of the orifice plate flow meter body via flanges; two connecting pipes are fixedly connected to the outer wall of the orifice plate flow meter body, and these two connecting pipes are in communication with the orifice plate flow meter body; a pressure device is fixedly connected to the end of each of the two connecting pipes away from the orifice plate flow meter body; a throttling plate is provided on the inner wall of the orifice plate flow meter body; a throttling orifice is provided on one side of the center of the throttling plate; and a protection unit is provided at the connection between the orifice plate flow meter body and the pipe being measured. By providing a protection unit at the connection between the orifice plate flow meter body and the pipe being measured, the sealing and durability of the connection are improved. This not only reduces potential safety hazards but also extends the service life of the equipment.
Description
Technical Field
The utility model relates to the technical field of orifice plate flowmeters, in particular to a compact high-pressure orifice plate flowmeter.
Background
The orifice plate flowmeter is a high-range ratio differential pressure flow device formed by matching a standard orifice plate with a multi-parameter differential pressure transmitter (or a differential pressure transmitter, a temperature transmitter and a pressure transmitter), can measure the flow of gas, steam, liquid and lead, and is widely applied to process control and measurement in the fields of petroleum, chemical industry, metallurgy, electric power, heat supply, water supply and the like.
The traditional orifice plate flowmeter is generally composed of an orifice plate, a pressure taking pipe, a connecting flange and the like, the flow is calculated by measuring the pressure difference of fluid before and after passing through a throttling device, and in a high-pressure environment, the connection part (such as the connection of the flange and a pipeline) of the orifice plate flowmeter is easy to loose or leak due to long-term impact of high-pressure fluid. This not only affects the accuracy of the measurement, but also may lead to potential safety hazards, and in addition, the connection parts of the orifice plate flowmeter (particularly, the connection parts such as the flange) are prone to wear, corrosion, even breakage, and other problems. These problems not only shorten the service life of the flowmeter, but also increase the maintenance frequency.
Disclosure of Invention
The utility model aims to provide a compact high-pressure orifice plate flowmeter, which can improve the tightness and durability of the joint of an orifice plate flowmeter body and a measured pipeline. This not only reduces potential safety hazards, but also extends the service life of the device.
In order to achieve the purpose, the compact high-pressure orifice plate flowmeter comprises an orifice plate flowmeter body, detected pipelines are arranged at two ends of the orifice plate flowmeter body through flanges, two connecting pipes are fixedly connected to the outer side wall of the orifice plate flowmeter body and are communicated with the orifice plate flowmeter body, a pressure device is fixedly connected to one end, away from the orifice plate flowmeter body, of each connecting pipe, a throttle plate is arranged on the inner wall of the orifice plate flowmeter body, a throttle hole is arranged on one side of the center of the throttle plate, and a protection unit is arranged at the joint of the orifice plate flowmeter body and the detected pipelines.
According to a compact high pressure orifice plate flowmeter, the protection unit is including cup jointing in orifice plate flowmeter body and the protective housing first of measured pipeline junction lateral wall, the connecting seat is installed to the lateral wall of protective housing first, the inner wall of connecting seat is rotated through the pivot and is connected with the bull stick, the one end fixedly connected with protective housing second of bull stick, the lateral wall top threaded connection of protective housing second has fastening bolt, the inner wall of protective housing first and protective housing second is provided with the holding tank.
According to the compact high-pressure orifice plate flowmeter, the fastening bolt is threaded through the first protective shell and the second protective shell, and the outer side wall of one penetrating end of the fastening bolt is threaded with the fastening nut.
According to the compact high-pressure orifice plate flowmeter, the protection pad is arranged on the inner wall of the accommodating groove, and the accommodating groove is adapted to the outer side wall of the flange.
According to the compact high-pressure orifice plate flowmeter, one side of the flange is connected with a connecting bolt in a threaded manner.
The utility model has the following beneficial effects:
1. Compared with the prior art, the protection unit is arranged at the joint of the orifice plate flowmeter body and the detected pipeline, so that the sealing performance and durability of the joint are improved. This not only reduces potential safety hazards, but also extends the service life of the device.
Drawings
The utility model is further described below with reference to the drawings and examples;
FIG. 1 is a side angular perspective view of a compact high pressure orifice plate flowmeter of the present utility model;
FIG. 2 is a perspective view of a compact high pressure orifice plate flowmeter according to the present utility model in a disassembled state;
FIG. 3 is a cutaway perspective view of a protection unit of a compact high pressure orifice plate flowmeter of the present utility model;
fig. 4 is a front view of a compact high pressure orifice plate flowmeter of the present utility model.
Legend description:
1. The orifice plate flowmeter comprises an orifice plate flowmeter body, a measured pipeline, a connecting pipe, a pressure device, a throttle plate, a throttle orifice, a protecting unit, a protecting shell I, a connecting seat, a 703, a rotating rod, a 704, a protecting shell II, a 705, a fastening bolt, a 706, a containing groove, a 7051, a fastening nut, a 7061, a protecting pad, a 101, a flange, a 102 and a connecting bolt.
Detailed Description
Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.
Referring to fig. 1-4, the embodiment of the utility model relates to a compact high-pressure orifice plate flowmeter, which comprises an orifice plate flowmeter body 1, wherein measured pipelines 2 are arranged at two ends of the orifice plate flowmeter body 1 through flanges 101, connecting bolts 102 are connected to one side of each flange 101 in a threaded manner, two connecting pipes 3 are fixedly connected to the outer side wall of the orifice plate flowmeter body 1, the two connecting pipes 3 are communicated with the orifice plate flowmeter body 1, a pressure device 4 is fixedly connected to one end, away from the orifice plate flowmeter body 1, of each connecting pipe 3, a pressure device 4 is used for calculating the flow rate of fluid flowing through the orifice plate flowmeter body 1, a throttle plate 5 is arranged on the inner wall of the orifice plate flowmeter body 1, when the fluid passes through the inside of the orifice plate flowmeter body 1, the fluid is limited by the throttle plate 5 so that the flow rate of the fluid is faster, the pressure is reduced, an orifice 6 is arranged at one side of the center of the throttle plate 5, and a protection unit 7 is arranged at the joint of the orifice plate flowmeter body 1 and the measured pipelines 2.
The protection unit 7 comprises a first protection shell 701 sleeved on the outer side wall of the joint of the orifice plate flowmeter body 1 and the detected pipeline 2, a connecting seat 702 is installed on the outer side wall of the first protection shell 701, a rotating rod 703 is rotatably connected to the inner wall of the connecting seat 702 through a rotating shaft, a second protection shell 704 is fixedly connected to one end of the rotating rod 703, a fastening bolt 705 is connected to the upper portion of the outer side wall of the second protection shell 704 in a threaded mode, the fastening bolt 705 penetrates through the first protection shell 701 and the second protection shell 704 in a threaded mode, a fastening nut 7051 is connected to the outer side wall of one end of the fastening bolt 705 in a threaded mode, the first protection shell 701 and the second protection shell 704 are fixedly connected through the fastening nut 7051 in a matched mode, an accommodating groove 706 is formed in the inner wall of the first protection shell 701 and the second protection shell 704, a protection pad 7061 is installed in the inner wall of the accommodating groove 706, and the accommodating groove 706 is adapted to the outer side wall of the flange 101.
When the fluid flows into the orifice flowmeter body 1 through the measured pipeline 2, when the fluid passes through the throttle plate 5, the throttle plate is provided with the throttle hole 6, so that the speed of the fluid can be increased when the fluid passes through the throttle hole 6, and the speed can lead to the hydrostatic pressure drop of the fluid according to the Bernoulli principle, therefore, a pressure difference is formed before and after the throttle hole, the pressure difference measured by the pressure device 4 is used for calculating the flow rate of the fluid, in addition, at the joint of the measured pipeline 2 and the orifice flowmeter body 1, the first protective shell 701 and the second protective shell 704 can be sleeved on the outer side wall of the flange 101, and the first protective shell 701 and the second protective shell 704 are fixedly connected through the fastening bolt 705 and the fastening nut 7051, so that the internal structure is protected from external impact or pressure, and meanwhile, the stability and the tightness of the whole device are ensured.
The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.
Claims (5)
1. The utility model provides a compact high pressure orifice flowmeter, its characterized in that includes orifice flowmeter body (1), orifice flowmeter body (1) installs measured pipeline (2) through flange (101) both ends, orifice flowmeter body (1) lateral wall fixedly connected with two connecting pipes (3), and two connecting pipes (3) are linked together with orifice flowmeter body (1), two orifice flowmeter body (1) are kept away from to connecting pipe (3) one end fixedly connected with pressure ware (4), orifice flowmeter body (1)'s inner wall is provided with throttle plate (5), throttle plate (5) center one side is provided with orifice (6), orifice flowmeter body (1) are provided with protection element (7) with the junction of measured pipeline (2).
2. The compact high-pressure orifice plate flowmeter according to claim 1, wherein the protection unit (7) comprises a first protection shell (701) sleeved on the outer side wall of the joint of the orifice plate flowmeter body (1) and the detected pipeline (2), a connecting seat (702) is installed on the outer side wall of the first protection shell (701), a rotating rod (703) is rotatably connected to the inner wall of the connecting seat (702) through a rotating shaft, a second protection shell (704) is fixedly connected to one end of the rotating rod (703), a fastening bolt (705) is connected to the upper portion of the outer side wall of the second protection shell (704) in a threaded mode, and accommodating grooves (706) are formed in the inner walls of the first protection shell (701) and the second protection shell (704).
3. The compact high pressure orifice plate flowmeter of claim 2, wherein said fastening bolt (705) is threaded through both the first and second protective cases (701, 704), and wherein a fastening nut (7051) is threaded through an outer sidewall of one end of the fastening bolt (705).
4. A compact high pressure orifice plate flowmeter as described in claim 2, wherein said receiving groove (706) has a protective pad (7061) mounted on its inner wall, said receiving groove (706) being adapted to the outer sidewall of the flange (101).
5. A compact high pressure orifice plate flowmeter as described in claim 1, wherein said flange (101) has a threaded connection to one side thereof with a connecting bolt (102).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202520438275.7U CN223783692U (en) | 2025-03-13 | 2025-03-13 | A compact high-pressure orifice plate flow meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202520438275.7U CN223783692U (en) | 2025-03-13 | 2025-03-13 | A compact high-pressure orifice plate flow meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223783692U true CN223783692U (en) | 2026-01-09 |
Family
ID=98312237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202520438275.7U Active CN223783692U (en) | 2025-03-13 | 2025-03-13 | A compact high-pressure orifice plate flow meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223783692U (en) |
-
2025
- 2025-03-13 CN CN202520438275.7U patent/CN223783692U/en active Active
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