CN212960163U - Dual orifice throttling device - Google Patents
Dual orifice throttling device Download PDFInfo
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- CN212960163U CN212960163U CN202021582165.1U CN202021582165U CN212960163U CN 212960163 U CN212960163 U CN 212960163U CN 202021582165 U CN202021582165 U CN 202021582165U CN 212960163 U CN212960163 U CN 212960163U
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- orifice plate
- connecting block
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- hole
- sealing ring
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Abstract
The utility model discloses a double orifice plate throttling arrangement, including throttling arrangement's first connecting block, throttling arrangement's first orifice plate, throttling arrangement's installation piece, throttling arrangement's second orifice plate and throttling arrangement's second connecting block, the circulation pipeline that the diameter is the same has all been seted up to the inside of first connecting block, installation piece and second connecting block, through bolt fixed connection between first connecting block, installation piece and the second connecting block, the both sides of first orifice plate respectively with first connecting block and installation piece butt, just first flow through hole has been seted up to the inside of first orifice plate, the both sides of second orifice plate respectively with second connecting block and installation piece butt, just second flow through hole has been seted up to the inside of second orifice plate. The utility model discloses simple structure, convenient to use through the design of dual orifice plate for the stream can tend to regularly, makes its measurement work that can be applicable to low reynolds number then, and the practicality is higher.
Description
Technical Field
The utility model relates to a throttling arrangement equipment field specifically is a dual orifice plate throttling arrangement.
Background
The throttling device is a flow device in a pipeline through which fluid filled in the pipeline flows, and a flow beam forms local contraction at a throttling position, so that the flow speed is increased, the static pressure is reduced, static pressure difference is generated before and after a throttling part, and when the pressure difference between the front and the rear of the pipeline is large, a mode of increasing a throttling orifice plate is often adopted, and the principle is as follows: when a fluid flows in a pipeline, the pressure of the fluid is reduced and energy is lost due to the local resistance of the orifice plate, and the phenomenon is thermodynamically called throttling phenomenon.
However, the conventional throttling device has the following disadvantages:
the traditional orifice plate throttling device mostly adopts a heavy orifice plate to carry out throttling, so that the flow rate of the medium is not regular enough, the medium is not convenient to be applied to measurement of the medium with low Reynolds number, and the practicability is low.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a dual orifice plate throttling arrangement to solve traditional orifice plate throttling arrangement and all adopt a heavy orifice plate to carry out throttle department by a large margin, the velocity of flow that leads to the medium is regular inadequately, makes its measurement that is not convenient for be applicable to low reynolds number medium, the lower problem of practicality.
In order to achieve the above object, the utility model provides a following technical scheme: a double orifice plate throttling device comprises a first connecting block of the throttling device, a first orifice plate of the throttling device, a mounting block of the throttling device, a second orifice plate of the throttling device and a second connecting block of the throttling device, wherein circulation pipelines with the same diameter are arranged in the first connecting block, the mounting block and the second connecting block, the first connecting block, the mounting block and the second connecting block are fixedly connected through bolts, two sides of the first orifice plate are respectively abutted against the first connecting block and the mounting block, a first flow through hole is arranged in the first orifice plate, two sides of the second orifice plate are respectively abutted against the second connecting block and the mounting block, a second flow through hole is arranged in the second orifice plate, the diameters of the first flow through hole and the second flow through hole are the same, and the diameters of the first flow through hole and the second flow through hole are smaller than the diameter of the circulation pipelines, one side of the first orifice plate is provided with a communicating structure, and the communicating structure penetrates through a circulating pipeline inside the mounting block and is abutted against one side of the second orifice plate.
Preferably, the circulation pipeline inside the first connecting block is provided with an annular first sealing ring in a manner of being attached to the position close to the first throttling orifice plate, and the outer diameter of the first sealing ring is the same as the inner diameter of the circulation pipeline, so that the connection sealing performance of the first connecting block and the first throttling orifice plate can be improved.
Preferably, the circulation pipeline inside the second connecting block is provided with an annular second sealing ring in a manner of being attached to the position close to the second orifice plate, and the outer diameter of the second sealing ring is the same as the inner diameter of the circulation pipeline, so that the connection sealing performance of the second connecting block and the second orifice plate can be improved.
Preferably, the communicating structure includes a communicating connection pipe, the communicating connection pipe is fixedly connected with one side of the first orifice plate close to the second orifice plate, the inner diameter of the communicating connection pipe is consistent with the diameters of the first flow through hole and the second flow through hole, and one side of the communicating connection pipe close to the second orifice plate is abutted against the second orifice plate, so that when the beam passes between the first orifice plate and the second orifice plate, the beam tends to be regular.
Preferably, the first throttle orifice plate and the second throttle orifice plate are both made of alloy materials, and the first throttle orifice plate and the second throttle orifice plate are both subjected to rust-proof treatment, so that the first throttle orifice plate and the second throttle orifice plate are not easy to damage.
Preferably, a third annular sealing ring is attached to a position, close to the second orifice plate, of a flow pipeline inside the mounting block, the inner diameter of the third annular sealing ring is consistent with the outer diameter of the communicating connecting pipe, and the outer diameter of the third annular sealing ring is consistent with the inner diameter of the communicating connecting pipe, so that the connection sealing performance between the mounting block and the second orifice plate is improved.
The utility model provides a dual orifice plate throttling arrangement possesses following beneficial effect:
the utility model discloses a be provided with first connecting block, the installation piece, the second connecting block, first orifice plate, second orifice plate and connectivity structure for when measuring low reynolds number medium, owing to be provided with two orifice plates, make the medium when the circulation, restraint the stream bundle on two cross-sections in other words, make it approach ideal state, thereby make the stream bundle of medium can tend to regularly, so compare with standard orifice plate, more can adapt to the measurement of low reynolds number medium, the practicality is higher.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is a schematic view of the installation of the connecting pipe of the present invention;
fig. 4 is a side view of the third seal ring according to the present invention.
In the figure: 1. a first connection block; 2. a first orifice plate; 3. mounting blocks; 4. a second orifice plate; 5. a second connecting block; 6. a flow conduit; 7. a first flow through hole; 8. a second flow through hole; 9. a first seal ring; 10. a second seal ring; 11. a connecting pipe is communicated; 12. and a third sealing ring.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
As shown in fig. 1-4, the utility model provides a technical solution: a double orifice plate throttling device comprises a first connecting block 1 of the throttling device, a first orifice plate 2 of the throttling device, an installation block 3 of the throttling device, a second orifice plate 4 of the throttling device and a second connecting block 5 of the throttling device, wherein circulation pipelines 6 with the same diameter are arranged in the first connecting block 1, the installation block 3 and the second connecting block 5, the first connecting block 1, the installation block 3 and the second connecting block 5 are fixedly connected through bolts, two sides of the first orifice plate 2 are respectively abutted to the first connecting block 1 and the installation block 3, a first flow through hole 7 is arranged in the first orifice plate 2, two sides of the second orifice plate 4 are respectively abutted to the second connecting block 5 and the installation block 3, a second flow through hole 8 is arranged in the second orifice plate 4, the first flow through hole 7 and the second flow through hole 8 have the same diameter, and the diameters of the first flow through hole 7 and the second flow through hole 8 are smaller than the diameter of the flow pipeline 6, a communication structure is arranged on one side of the first orifice plate 2, and the communication structure penetrates through the flow pipeline 6 inside the mounting block 3 and is abutted against one side of the second orifice plate 4.
An annular first sealing ring 9 is attached to the position, close to the first orifice plate 2, of the circulation pipeline 6 in the first connecting block 1, and the outer diameter of the first sealing ring 9 is the same as the inner diameter of the circulation pipeline 6, so that the connection sealing property between the first connecting block 1 and the first orifice plate 2 can be improved through the first sealing ring 9;
an annular second sealing ring 10 is attached to the position, close to the second orifice plate 4, of the circulation pipeline 6 in the second connecting block 5, and the outer diameter of the second sealing ring 10 is the same as the inner diameter of the circulation pipeline 6, so that the connection sealing performance between the second connecting block 5 and the second orifice plate 4 can be improved through the second sealing ring 10;
the communication structure comprises a communication connecting pipe 11, the communication connecting pipe 11 is fixedly connected with one side, close to the second orifice plate 4, of the first orifice plate 2, the inner diameter of the communication connecting pipe 11 is consistent with the diameters of the first flow through hole 7 and the second flow through hole 8, one side, close to the second orifice plate 4, of the communication connecting pipe 11 is abutted against the second orifice plate 4, so that after a medium passes through the first flow through hole 7, the flow bundle can be restrained through the communication connecting pipe 11, the flow bundle approaches to an ideal flow state, the flow bundle can be normalized, and the communication structure is convenient to be applied to measurement of a medium with a low Reynolds number;
the first orifice plate 2 and the second orifice plate 4 are both made of alloy materials, and the first orifice plate 2 and the second orifice plate 4 are both subjected to rust prevention treatment, so that the first orifice plate 2 and the second orifice plate 4 are not easy to deform and damage and are not easy to rust and damage, and the service life of the orifice plates is prolonged;
the circulation pipeline 6 inside the mounting block 3 is provided with an annular third sealing ring 12 close to the second orifice plate 4 in a fitting manner, the inner diameter of the third sealing ring 12 is consistent with the outer diameter of the communicating connecting pipe 11, and the outer diameter of the third sealing ring 12 is consistent with the inner diameter of the communicating connecting pipe 11, so that the connecting sealing performance of the abutting position of the communicating connecting pipe 11 and the second orifice plate 4 is improved.
The working principle is as follows: when the device works, a medium flows into the circulation pipeline 6 in the first connecting block 1, then flows through the first flow through hole 7 and enters the inside of the communicating connecting pipe 11, at the moment, the flow beam is restrained through the communicating connecting pipe 11, the Reynolds number is reduced when the flow velocity of the medium is reduced, and the flow beam is close to an ideal circulation state when the medium flows through the communicating connecting pipe 11, so that the flow beam can be regular, the device is convenient for measuring the medium with the low Reynolds number, and the whole practicability is high.
In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
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 (6)
1. The utility model provides a dual orifice plate throttling arrangement, includes throttling arrangement's first connecting block (1), throttling arrangement's first orifice plate (2), throttling arrangement's installation piece (3), throttling arrangement's second orifice plate (4) and throttling arrangement's second connecting block (5), its characterized in that: the inner parts of the first connecting block (1), the mounting block (3) and the second connecting block (5) are all provided with circulation pipelines (6) with the same diameter, the first connecting block (1), the mounting block (3) and the second connecting block (5) are fixedly connected through bolts, two sides of the first orifice plate (2) are respectively abutted against the first connecting block (1) and the mounting block (3), a first flow through hole (7) is arranged in the first orifice plate (2), two sides of the second orifice plate (4) are respectively abutted against the second connecting block (5) and the mounting block (3), a second flow through hole (8) is arranged in the second orifice plate (4), the diameters of the first flow through hole (7) and the second flow through hole (8) are the same, and the diameters of the first flow through hole (7) and the second flow through hole (8) are both smaller than the diameter of the pipeline circulation (6), one side of the first orifice plate (2) is provided with a communicating structure, and the communicating structure penetrates through a circulating pipeline (6) inside the mounting block (3) and is abutted against one side of the second orifice plate (4).
2. A dual orifice restriction device according to claim 1, wherein: the circulating pipeline (6) in the first connecting block (1) is provided with an annular first sealing ring (9) close to the first orifice plate (2) in a fitting mode, and the outer diameter of the first sealing ring (9) is the same as the inner diameter of the circulating pipeline (6).
3. A dual orifice restriction device according to claim 1, wherein: the circulation pipeline (6) in the second connecting block (5) is provided with an annular second sealing ring (10) close to the second orifice plate (4) in a fitting manner, and the outer diameter of the second sealing ring (10) is the same as the inner diameter of the circulation pipeline (6).
4. A dual orifice restriction device according to claim 1, wherein: the utility model discloses a communication structure, including intercommunication connecting pipe (11), intercommunication connecting pipe (11) and first orifice plate (2) are close to in one side fixed connection of second orifice plate (4), just the inside diameter of intercommunication connecting pipe (11) is unanimous with the diameter of first flow through hole (7) and second flow through hole (8), intercommunication connecting pipe (11) are close to in one side and second orifice plate (4) butt of second orifice plate (4).
5. A dual orifice restriction device according to claim 1, wherein: the first throttling orifice plate (2) and the second throttling orifice plate (4) are both made of alloy materials, and the first throttling orifice plate (2) and the second throttling orifice plate (4) are both subjected to rust prevention treatment.
6. A dual orifice restriction device according to claim 1, wherein: the circulation pipeline (6) in the mounting block (3) is provided with an annular third sealing ring (12) close to the second orifice plate (4) in a fitting manner, the inner diameter of the third sealing ring (12) is consistent with the outer diameter of the communication connecting pipe (11), and the outer diameter of the third sealing ring (12) is consistent with the inner diameter of the communication connecting pipe (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021582165.1U CN212960163U (en) | 2020-08-03 | 2020-08-03 | Dual orifice throttling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021582165.1U CN212960163U (en) | 2020-08-03 | 2020-08-03 | Dual orifice throttling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212960163U true CN212960163U (en) | 2021-04-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021582165.1U Active CN212960163U (en) | 2020-08-03 | 2020-08-03 | Dual orifice throttling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212960163U (en) |
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2020
- 2020-08-03 CN CN202021582165.1U patent/CN212960163U/en active Active
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