CN219347843U - Orifice flowmeter assembly and orifice flowmeter device - Google Patents
Orifice flowmeter assembly and orifice flowmeter device Download PDFInfo
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- CN219347843U CN219347843U CN202320152765.1U CN202320152765U CN219347843U CN 219347843 U CN219347843 U CN 219347843U CN 202320152765 U CN202320152765 U CN 202320152765U CN 219347843 U CN219347843 U CN 219347843U
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Abstract
The utility model relates to the technical field of flowmeters, and provides an orifice plate flowmeter assembly and an orifice plate flowmeter device, wherein the orifice plate flowmeter assembly comprises a connecting pipe, the connecting pipe is axially provided with a flow passage, and the inner wall of the connecting pipe is provided with a mounting part; the orifice plate is arranged on the runner, a plurality of orifices are formed in the orifice plate, and a matching part which is matched with the mounting part for detachable connection is arranged on the orifice plate. The orifice plate flowmeter comprises two groups of pressure taking pipes, a differential pressure transmitter and the orifice plate flowmeter assembly; the two groups of pressure taking pipes are respectively communicated with the connecting pipe and are respectively positioned at two sides of the mounting part; the differential pressure transmitter is connected at one end of the two groups of pressure taking pipes far away from the connecting pipe. According to the utility model, the orifice plate flowmeter assembly is arranged into the connecting pipe and the orifice plate which are detachable, the connecting pipe is provided with the mounting part, the orifice plate is provided with the matching part, the orifice plate is detachably connected with the connecting pipe, and when conditions or requirements are changed, only the orifice plate structure is required to be modified or the corresponding orifice plate is required to be changed, so that the manufacturing cost can be saved.
Description
Technical Field
The utility model relates to the technical field of flowmeters, in particular to a pore plate flowmeter assembly and a pore plate flowmeter device.
Background
The flowmeter is an eye of industrial production, has close relation with national economy, national defense construction and scientific research, plays an important role in national economy, and can be used for measuring the flow of media such as gas, liquid, steam and the like.
The orifice plate flowmeter is characterized in that a pipeline is filled with fluid, the fluid flows through a throttling device in the pipeline, namely, the orifice plate, and the fluid flow beam is locally contracted, so that the flow speed is increased, the static pressure is low, the pressure drop is generated before and after the orifice plate, namely, the pressure difference is larger as the flow rate of medium flowing through the orifice plate is larger, and the pressure difference generated before and after the orifice plate is larger, so that the orifice plate flowmeter can measure the fluid flow rate by measuring the pressure difference before and after the orifice plate flowmeter.
The current orifice plate flowmeter is a high-range ratio differential pressure flow device formed by matching a orifice plate with a multi-parameter differential pressure transmitter (or a differential pressure transmitter, a temperature transmitter and a pressure transmitter), has huge markets at home and abroad, is widely applied in various fields, and can measure the flow of gas, steam, liquid and natural gas. Orifice plate flowmeters have a long history of reliable experimental data and perfect international and national standards. The porous plate is a key throttling part of the balance type flowmeter, and the existing research on the balance type flowmeter mostly surrounds the structure (aperture ratio, thickness, chamfer angle, central hole and surrounding hole aperture diameter, aperture number, arrangement mode, hole spacing and the like) and performance expansion of the porous plate, and the structure and other application conditions of the porous plate have great influence on the flow characteristics of the porous plate. However, to change the structure of the porous plate, a new orifice plate flowmeter is reworked, which wastes both material and time, and increases costs.
In the related art, in order to ensure the centering of the orifice plate flowmeter, the orifice plate flowmeter generally needs to be directly machined and formed by adopting a round bar, so that the processing amount is large, the consumption of materials is more, the cost is high, and in addition, the orifice plate flowmeter cannot be modified in the orifice plate structure once being machined and formed, and only can be produced again. Replacement conditions or requirements require redesigning and machining a new orifice plate flowmeter, which is wasteful of both material and labor costs.
Disclosure of Invention
The utility model provides a pore plate flowmeter assembly and a pore plate flowmeter device, which aim to at least solve one of the technical problems in the related art.
Therefore, the first aspect of the present utility model provides an orifice plate flowmeter assembly, which is used for solving the defects that in the prior art, the orifice plate flowmeter assembly cannot be disassembled and cannot be modified after being processed and formed, the whole orifice plate flowmeter assembly can only be remanufactured when changing conditions or demands, the production cost is high, the orifice plate flowmeter assembly structure can be modified, and only the orifice plate structure needs to be modified after changing the conditions or demands, so that the production cost is saved.
A second aspect of the utility model provides an orifice plate flow meter apparatus.
The utility model provides an orifice plate flowmeter assembly, comprising:
the connecting pipe is provided with a flow passage along the axial direction, and the inner wall of the connecting pipe is provided with a mounting part;
the orifice plate, the orifice plate set up in the runner, set up a plurality of orifices on the orifice plate, be provided with on the orifice plate with the cooperation portion that the installation department cooperatees to dismantle the connection.
According to the orifice plate flowmeter assembly provided by the utility model, the mounting part comprises a boss arranged on the inner wall of the connecting pipe;
the mating portion includes a clamping groove disposed along a circumference of the aperture plate.
According to the orifice plate flowmeter assembly provided by the utility model, the position of the boss matched with the clamping groove forms a first matching surface, and the first matching surface is provided with first threads;
the clamping groove is provided with a second matching surface at the matching position with the boss, and a second thread matched with the first thread is formed on the second matching surface.
According to the orifice plate flowmeter assembly provided by the utility model, the outer circumferential surface of the orifice plate extends radially outwards to form a sealing flange, and the sealing flange is abutted against any side of the mounting part.
According to the orifice plate flowmeter assembly provided by the utility model, the sealing ring is arranged between the sealing flange and the mounting part.
According to the orifice plate flowmeter assembly provided by the utility model, the connecting pipe is provided with the front pressure taking port and the rear pressure taking port, and the front pressure taking port and the rear pressure taking port are respectively positioned at two sides of the mounting part.
According to the orifice plate flowmeter assembly provided by the utility model, the connecting pipe comprises a first pipe section, a second pipe section and a third pipe section which are sequentially connected;
the pipe wall thickness of the second pipe section is greater than that of the first pipe section and the third pipe section, and the installation part is arranged on the second pipe section.
According to the orifice plate flowmeter assembly provided by the utility model, one end of the first pipe section, which is away from the second pipe section, is provided with the first connecting flange, and one end of the third pipe section, which is away from the second pipe section, is provided with the second connecting flange;
the first connecting flange is connected with any one of the liquid inlet pipeline and the liquid outlet pipeline, and the second connecting flange is connected with the other one of the liquid inlet pipeline and the liquid outlet pipeline.
The utility model also provides an orifice plate flowmeter device, comprising: two groups of pressure taking pipes, a differential pressure transmitter and the orifice plate flowmeter assembly;
the two groups of pressure taking pipes are respectively communicated with the connecting pipe and are respectively positioned at two sides of the mounting part;
the differential pressure transmitter is connected with one ends of the two groups of pressure taking pipes far away from the connecting pipe.
According to the orifice plate flowmeter provided by the utility model, the two groups of pressure taking pipes are respectively provided with a straight line section and a bending section which are connected;
the bending section is arranged around the circumferential direction of the connecting pipe and is communicated with the connecting pipe;
the differential pressure transmitter is connected with the straight line segments of the two groups of pressure taking pipes.
According to the orifice plate flowmeter assembly, the orifice plate flowmeter assembly is arranged into the detachable connecting pipe and the orifice plate, the connecting pipe is provided with the mounting part, the orifice plate is provided with the matching part, the orifice plate is detachably connected with the connecting pipe, and when conditions or requirements are changed, only the orifice plate structure is required to be modified or the corresponding orifice plate is required to be changed, so that the manufacturing cost can be saved.
According to the orifice plate flowmeter device provided by the utility model, the orifice plate flowmeter assembly, the two groups of pressure taking pipes and the differential pressure transmitter are arranged, so that the orifice plate flowmeter device also has the characteristic of a detachable structure, when conditions or requirements are changed, only the orifice plate structure is required to be changed or the corresponding orifice plate is required to be changed, other components can be used along, the whole orifice plate flowmeter is not required to be changed or changed, and the manufacturing cost can be saved.
Drawings
In order to more clearly illustrate the utility model or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a connecting tube structure of an orifice plate flowmeter assembly provided by the present utility model;
FIG. 2 is a schematic diagram of an orifice plate structure of an orifice plate flowmeter assembly according to the present utility model;
FIG. 3 is a schematic diagram of a second orifice plate structure of the orifice plate flowmeter assembly of the present utility model;
FIG. 4 is a schematic diagram of an orifice plate flowmeter assembly and flowmeter according to the present utility model;
FIG. 5 is a schematic diagram of an orifice plate flowmeter assembly and flowmeter according to one embodiment of the present utility model;
FIG. 6 is a schematic diagram of a hole plate flowmeter assembly and flowmeter according to the second embodiment of the present utility model.
Reference numerals:
100. a connecting pipe; 110. a flow passage; 120. a mounting part; 121. a boss; 1210. a first mating surface; 130. a first pipe section; 131. a first connection flange; 132. a second connection flange; 140. a second pipe section; 150. a third pipe section; 160. a front pressure taking port; 170. a rear pressure taking port;
200. an orifice plate; 210. an orifice; 220. a mating portion; 221. a clamping groove; 2210. a second mating surface;
300. a pressure taking tube; 310. a straight line segment; 320. a curved section;
400. a differential pressure transmitter.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the embodiments of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the terms in the embodiments of the present application will be understood by those of ordinary skill in the art in a specific context.
In the examples herein, a first feature "on" or "under" a second feature may be either the first and second features in direct contact, or the first and second features in indirect contact via an intermediary, unless expressly stated and defined otherwise. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the embodiments of the present application. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
Embodiments of the present utility model are described below with reference to fig. 1 to 6. It should be understood that the following description is only illustrative of embodiments of the utility model and is not intended to limit the utility model in any way.
Referring to fig. 1 to 3, the present utility model provides an orifice plate flowmeter assembly including a connection pipe 100 and an orifice plate 200, the orifice plate 200 being detachably connected to the connection pipe 100.
Wherein, the connecting pipe 100 is provided with a flow passage 110 along the axial direction, the fluid to be measured can circulate from the flow passage 110, and the inner wall of the connecting pipe 100 is provided with an installation part 120; the orifice plate 200 is disposed in the flow channel 110, and a plurality of orifices 210 are formed in the orifice plate 200 in order to allow the fluid flowing in the flow channel 110 to pass through and form a pressure difference, and a fitting portion 220 that is fitted with the fitting portion 120 is disposed in the orifice plate 200, and the orifice plate 200 is detachably connected to the fitting portion 120 of the connection pipe 100 through the fitting portion 220.
When the orifice plate flowmeter assembly is used for measuring the flow rate of fluid, the orifice plate 200 is assembled with the connecting pipe 100, the orifice plate flowmeter assembly is also connected with auxiliary equipment such as a pressure taking pipe, a differential pressure transmitter and the like, when the fluid flows from one end of the flow channel 110 of the connecting pipe 100 to the other end, the fluid passes through the orifice plate 200, as the orifice plate 200 is provided with the orifice hole 210, when the fluid flows through the orifice hole 210, the flow rate of the fluid forms local contraction at the orifice plate 200, so that the flow rate of the fluid is increased, the static pressure is reduced, the pressure difference is generated before and after the orifice plate 200, the flow rate of the fluid is larger, the pressure difference before and after the orifice plate 200 is larger, and the flow rate value of the fluid can be discharged by measuring the pressure difference before and after the orifice plate 200.
It can be appreciated that in the orifice flowmeter assembly provided by the utility model, by arranging the orifice flowmeter assembly as the detachable connecting pipe 100 and the orifice 200, the connecting pipe 100 is provided with the mounting part 120, the orifice 200 is provided with the matching part 220, the orifice 200 is detachably connected with the mounting part 120 of the connecting pipe 100 through the matching part 220, when the condition or the requirement is changed, the flow measurement can be continuously implemented only by modifying the structure of the orifice 200 or replacing the corresponding orifice 200, and the whole orifice flowmeter assembly is not required to be replaced or remanufactured, so that the modification cost and the manufacturing cost can be greatly saved.
Referring to fig. 1 and 2, in some embodiments of the present utility model, the mounting portion 120 of the connection pipe 100 includes a boss 121, the boss 121 being disposed at an inner wall of the connection pipe 100; the fitting portion 220 of the orifice plate 200 includes a catching groove 221, and the catching groove 221 is disposed along a circumferential direction of the orifice plate 200.
According to the utility model, the boss 121 is arranged on the inner wall of the connecting pipe 100, and the clamping groove 221 is arranged along the circumferential direction of the orifice plate 200, so that the orifice plate 200 is detachably connected with the connecting pipe 100, and the orifice plate 200 and the connecting pipe 100 can be rapidly assembled and disassembled due to the arrangement of the clamping groove 221 and the boss 121, so that the operation efficiency is improved, and meanwhile, the operation difficulty is simplified.
In other embodiments of the present utility model, the detachable connection between the mounting portion 120 of the connection tube 100 and the mating portion 220 of the orifice plate 200 may be an interference fit, and the boss 121 and the slot 221 may be omitted, which is equivalent to that the outer peripheral end surface of the orifice plate 200 and the inner wall of the mounting portion 120 of the connection tube 100 are flat, and the detachable connection between the connection tube 100 and the orifice plate 200 may be implemented by using the interference fit, which also may enable the connection tube 100 and the orifice plate 200 to be assembled and disassembled quickly, thereby improving the working efficiency and simplifying the operation difficulty.
Referring to fig. 1 and 2, in some embodiments of the present utility model, a first engaging surface 1210 is formed at a position where the boss 121 engages with the slot 221, and a first thread is provided on the first engaging surface 1210; the engaging groove 221 is formed with a second engaging surface 2210 at a position where the boss 121 engages, the second engaging surface 2210 is provided with a second thread, and the first thread engages with the second thread. The mode that boss 121 and draw-in groove 221 matched with adopts threaded connection, can make the connection of connecting pipe 100 and orifice plate 200 more firm, connection structure is simpler moreover, also can make the installation more convenient with the dismantlement time, and is simpler, more save the cost when manufacturing, promotes when using and installs and removes efficiency.
In some embodiments of the present utility model, in order to increase the tightness between the orifice plate 200 and the connection pipe 100, avoid leakage at the connection point of the orifice plate 200 and the connection pipe 100, and improve the accuracy of the orifice plate flowmeter assembly, the present embodiment may extend radially outward on the outer circumferential surface of the orifice plate 200 to form a sealing flange, and the sealing flange abuts against either side of the mounting portion 120, and in the present embodiment, the outer circumferential end surface of the orifice plate 200 adopts a stepped shape.
In some embodiments of the present utility model, a sealing ring is further disposed at the connection between the sealing flange and the mounting portion 120, so that the connection between the sealing flange and the mounting portion 120 is tighter, and the tightness between the orifice plate 200 and the connection tube 100 is further improved, so as to ensure that no leakage occurs after the orifice plate 200 is connected to the connection tube 100.
Referring to fig. 1, 5 and 6, in some embodiments of the present utility model, a front pressure taking port 160 and a rear pressure taking port 170 (two pressure taking ports are not shown in a cross-sectional view in fig. 5, so that positions thereof are shown in a broken line in fig. 5, the two pressure taking ports overlap in fig. 6) are formed in the connection pipe 100, and the front pressure taking port 160 and the rear pressure taking port 170 are respectively disposed at both sides of the mounting portion 120. The front and rear pressure-taking ports 160 and 170 may be connected to external pressure-taking pipes, respectively, for measuring the pressure difference before and after the fluid flows through the orifice plate 200, thereby measuring the flow rate value.
Referring to fig. 5, in some embodiments of the present utility model, the connection pipe 100 includes a first pipe segment 130, a second pipe segment 140, and a third pipe segment 150 connected in sequence; the second pipe section 140 has a pipe wall thickness greater than that of the first pipe section 130 and the third pipe section 150, and the mounting portion 120 is disposed on the second pipe section 140. The pipe wall thickness of the second pipe section 140 is greater than the pipe wall thicknesses of the first pipe section 130 and the third pipe section 150, so that the installation part assembled with the orifice plate 200 is arranged on the second pipe section 140, so that the orifice plate 200 can be more firmly installed on the connecting pipe 100, and the pipe wall thicknesses of the first pipe section 130 and the third pipe section 150 are thinner than the second pipe section 140, so that the manufacturing cost can be more saved under the condition of meeting the use condition of the orifice plate flowmeter assembly.
Referring to fig. 5 and 6, in some embodiments of the present utility model, a first connection flange 131 may be provided at an end of the first pipe segment 130 of the connection pipe 100 facing away from the second pipe segment 140, and a second connection flange 132 may be provided at an end of the third pipe segment 150 facing away from the second pipe segment 140; in this embodiment, the first connection flange 131 may be connected to any one of the liquid inlet pipe and the liquid outlet pipe, and the second connection flange 132 may be connected to the other one of the liquid inlet pipe and the liquid outlet pipe. The flanges are arranged at the two ends of the connecting pipe 100 and are respectively connected with the liquid inlet pipeline and the liquid outlet pipeline, so that the connecting pipe can be installed more quickly and simply during use, the flange connection is more convenient to use, and can bear larger pressure, so that the orifice plate flowmeter assembly provided by the utility model can be applied to fluid flow measurement in a larger pressure range.
According to the orifice plate flowmeter assembly provided by the utility model, the orifice plate flowmeter assembly is arranged into the detachable connecting pipe 100 and the orifice plate 200, and the orifice plate 200 is detachably connected with the connecting pipe 100, so that when conditions or requirements are changed, only the structure of the orifice plate 200 is required to be modified or the corresponding orifice plate 200 is required to be changed, and the manufacturing cost can be saved.
Referring to fig. 4 to 6, the present utility model further provides an orifice flowmeter device, which includes two sets of pressure-taking pipes 300, a differential pressure transmitter 400, and the orifice flowmeter assembly provided in the above embodiments.
When the orifice plate flowmeter device is used, two ends of the orifice plate flowmeter assembly are respectively connected with a liquid inlet pipeline and a liquid outlet pipeline of a fluid to be measured, the two groups of pressure taking pipes 300 can measure the pressure difference in the orifice plate flowmeter assembly, and then the differential pressure transmitter 400 can measure the flow value of the fluid flowing through the orifice plate flowmeter assembly.
Specifically, two sets of pressure taking pipes 300 are respectively communicated with the connecting pipe 100, and the two sets of pressure taking pipes 300 are respectively arranged at two sides of the mounting part 120; differential pressure transmitter 400 is connected to the ends of two sets of pressure sensing tubes 300 remote from connection tube 100.
When fluid flows through the orifice plate 200 in the orifice plate flowmeter assembly, a pressure difference is generated at the front and rear ends of the orifice plate 200, and the two sets of pressure-taking pipes 300 arranged at the front and rear ends of the orifice plate 200 transmit the pressure difference to the differential pressure transmitter 400, and the differential pressure transmitter 400 measures the flow value.
Referring to fig. 6, in some embodiments of the present utility model, two sets of pressure tapping pipes 300 are respectively provided with a straight line section 310 and a curved section 320 that are connected; the bending section 320 is disposed around the circumferential direction of the connection pipe 100 and communicates with the connection pipe 100; differential pressure transmitter 400 is connected to straight sections 310 of two sets of pressure acquisition tubes 300. The two groups of pressure taking pipes 300 are arranged into the connected straight line section 310 and the connected bent section 320, so that the pressure taking result is more accurate, and the accuracy of the orifice plate flowmeter is further improved.
According to the orifice plate flowmeter device provided by the utility model, the orifice plate flowmeter assembly, the two groups of pressure taking pipes 300 and the differential pressure transmitter 400 are arranged, so that the orifice plate flowmeter device also has the characteristic of a detachable structure, when conditions or requirements are changed, only the structure of the orifice plate 200 is required to be modified or the corresponding orifice plate 200 is required to be replaced, other components can be used, the whole orifice plate flowmeter is not required to be modified or replaced, and the manufacturing cost can be saved.
It should be noted that, the technical solutions in the embodiments of the present utility model may be combined with each other, but the basis of the combination is based on the fact that those skilled in the art can realize the combination; when the combination of the technical solutions contradicts or cannot be realized, it should be considered that the combination of the technical solutions does not exist, i.e. does not fall within the scope of protection of the present utility model.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (10)
1. An orifice plate flowmeter assembly, comprising:
the connecting pipe is provided with a flow passage along the axial direction, and the inner wall of the connecting pipe is provided with a mounting part;
the orifice plate, the orifice plate set up in the runner, set up a plurality of orifices on the orifice plate, be provided with on the orifice plate with the cooperation portion that the installation department cooperatees to dismantle the connection.
2. The orifice plate flowmeter assembly of claim 1, wherein,
the mounting part comprises a boss arranged on the inner wall of the connecting pipe;
the mating portion includes a clamping groove disposed along a circumference of the aperture plate.
3. The orifice plate flow meter assembly of claim 2, wherein the location where the boss mates with the slot forms a first mating surface, the first mating surface having a first thread formed thereon;
the clamping groove is provided with a second matching surface at the matching position with the boss, and a second thread matched with the first thread is formed on the second matching surface.
4. The orifice plate flow meter assembly of claim 2, wherein an outer circumferential surface of the orifice plate extends radially outwardly to form sealing flanges that abut either side of the mounting portion.
5. The orifice plate flow meter assembly of claim 4, wherein a seal ring is disposed between the sealing flange and the mounting portion.
6. The orifice plate flow meter assembly of any of claims 1-5, wherein the connecting tube is provided with a front pressure relief port and a rear pressure relief port, the front pressure relief port and the rear pressure relief port being located on opposite sides of the mounting portion, respectively.
7. The orifice flow meter assembly of any of claims 1-5, wherein the connecting tube comprises a first tube segment, a second tube segment, and a third tube segment connected in sequence;
the pipe wall thickness of the second pipe section is greater than that of the first pipe section and the third pipe section, and the installation part is arranged on the second pipe section.
8. The orifice plate flow meter assembly of claim 7, wherein an end of the first tube segment facing away from the second tube segment is provided with a first connection flange and an end of the third tube segment facing away from the second tube segment is provided with a second connection flange;
the first connecting flange is connected with any one of the liquid inlet pipeline and the liquid outlet pipeline, and the second connecting flange is connected with the other one of the liquid inlet pipeline and the liquid outlet pipeline.
9. An orifice plate flowmeter device comprising two sets of pressure-taking pipes, a differential pressure transmitter and the orifice plate flowmeter assembly of any of claims 1-8;
the two groups of pressure taking pipes are respectively communicated with the connecting pipe and are respectively positioned at two sides of the mounting part;
the differential pressure transmitter is connected with one ends of the two groups of pressure taking pipes far away from the connecting pipe.
10. The orifice plate flow meter apparatus of claim 9, wherein the two sets of pressure take-off tubes are each provided with a straight section and a curved section connected;
the bending section is arranged around the circumferential direction of the connecting pipe and is communicated with the connecting pipe;
the differential pressure transmitter is connected with the straight line segments of the two groups of pressure taking pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320152765.1U CN219347843U (en) | 2023-01-19 | 2023-01-19 | Orifice flowmeter assembly and orifice flowmeter device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320152765.1U CN219347843U (en) | 2023-01-19 | 2023-01-19 | Orifice flowmeter assembly and orifice flowmeter device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219347843U true CN219347843U (en) | 2023-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320152765.1U Active CN219347843U (en) | 2023-01-19 | 2023-01-19 | Orifice flowmeter assembly and orifice flowmeter device |
Country Status (1)
| Country | Link |
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| CN (1) | CN219347843U (en) |
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2023
- 2023-01-19 CN CN202320152765.1U patent/CN219347843U/en active Active
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