CN112229463A - Multiphase flow measuring device - Google Patents
Multiphase flow measuring device Download PDFInfo
- Publication number
- CN112229463A CN112229463A CN202011149405.3A CN202011149405A CN112229463A CN 112229463 A CN112229463 A CN 112229463A CN 202011149405 A CN202011149405 A CN 202011149405A CN 112229463 A CN112229463 A CN 112229463A
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- Prior art keywords
- outlet pipe
- liquid
- multiphase flow
- gas
- cylinder body
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F7/00—Volume-flow measuring devices with two or more measuring ranges; Compound meters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/08—Air or gas separators in combination with liquid meters; Liquid separators in combination with gas-meters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/12—Cleaning arrangements; Filters
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
Abstract
The invention is suitable for the technical field of chemical equipment, and provides a multiphase flow measuring device; the method comprises the following steps: the upper part of the side wall of the separation cylinder body is provided with a feeding hole; the air outlet pipe is arranged in the central position in the separation barrel, the upper end of the air outlet pipe penetrates through the separation barrel, and the lower part of the air outlet pipe is arranged at the bottom of the separation barrel and is communicated with the inside of the separation barrel; wherein, the outer side of the air outlet pipe is sleeved with a first helical blade; a mist catcher which vibrates up and down in a reciprocating manner is also arranged in the air outlet pipe; the filter is used for filtering water vapor in the gas; the collecting box is fixedly arranged below the separating cylinder and is communicated with the inside of the separating cylinder; the device comprises a collecting box, a floating plate, a connecting rod, a gate, a floating plate and a liquid outlet, wherein the side wall of the collecting box is provided with the liquid outlet, the gate for controlling the on-off of the liquid outlet is arranged on the liquid outlet, the gate is connected to the floating plate through the connecting rod, and the connecting rod is elastically arranged in the collecting box; and a gas flowmeter and a liquid flowmeter are fixedly mounted on the liquid outlet and the gas outlet pipe respectively.
Description
Technical Field
The invention relates to the technical field of chemical equipment, in particular to a multiphase flow measuring device.
Background
The gas-liquid multiphase flow measurement technology is one of the key technologies for determining the success of the future oil and gas industry, and is particularly applied to the development of oil and gas fields in the environments of oceans, deserts, polar regions and the like. In recent years, significant progress has been made in research on gas-liquid multiphase flow measurement technology both domestically and abroad.
The existing multiphase flow measurement technology usually adopts a gas-liquid mixed flow to directly flow through, and then estimates the specific flow rates of gas and liquid in the gas-liquid mixed flow through various mathematical models, so that the problem of inaccurate measurement exists, and a multiphase flow measurement device is provided for solving the technical problem.
Disclosure of Invention
The present invention is directed to a multiphase flow measurement device, so as to solve the problems mentioned in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
a multiphase flow measurement device comprising: the upper part of the side wall of the separation cylinder body is provided with a feeding hole;
the air outlet pipe is arranged in the central position in the separation barrel, the upper end of the air outlet pipe penetrates through the separation barrel, and the lower part of the air outlet pipe is arranged at the bottom of the separation barrel and is communicated with the inside of the separation barrel;
wherein, the outer side of the air outlet pipe is sleeved with a first helical blade; a mist catcher which vibrates up and down in a reciprocating manner is also arranged in the air outlet pipe; the filter is used for filtering water vapor in the gas;
the collecting box is fixedly arranged below the separating cylinder and is communicated with the inside of the separating cylinder;
the device comprises a collecting box, a floating plate, a connecting rod, a gate, a floating plate and a liquid outlet, wherein the side wall of the collecting box is provided with the liquid outlet, the gate for controlling the on-off of the liquid outlet is arranged on the liquid outlet, the gate is connected to the floating plate through the connecting rod, and the connecting rod is elastically arranged in the collecting box;
and a gas flowmeter and a liquid flowmeter are fixedly mounted on the liquid outlet and the gas outlet pipe respectively.
As a further scheme of the invention: the collecting box is further internally provided with a partition board which divides the collecting box into a left cavity and a right cavity, the floating plate and the liquid outlet are arranged in the right cavity, and the communicating part between the collecting box and the separating cylinder body is arranged in the left cavity.
As a still further scheme of the invention: and a second spiral blade is also arranged in the air outlet pipe and is arranged at the inlet of the air outlet pipe.
As a still further scheme of the invention: the collecting box is also provided with a slag discharge port.
As a still further scheme of the invention: and two ends of the mist catcher are respectively and elastically installed on the inner wall of the air outlet pipe through elastic supports.
As a still further scheme of the invention: the reciprocating assembly comprises a driven ring fixedly installed in the middle of the mist catcher, the lower end of the driven ring is abutted with two driving rods, the two driving rods are symmetrically installed at the upper end of the rotating shaft, arc-shaped protrusions are further arranged on the driven ring and arranged on rotating tracks of the two driving rods, and the rotating shaft is arranged in a self-rotating mode.
As a still further scheme of the invention: the rotating shaft is rotatably arranged on the supporting rod in the air outlet pipe, and the end, far away from the driving rod, of the gate is provided with the axial flow blade.
Compared with the prior art, the invention has the beneficial effects that: fluid to be measured enters the separation cylinder through the feed inlet, the fluid performs spiral motion under the action of the first spiral blade, so that gas and liquid are separated, the fluid moves to the lower part of the separation cylinder, the gas is discharged through the gas outlet pipe, and then the gas flow is measured through the gas flowmeter; the separated liquid falls into the collecting box, when certain liquid is collected in the collecting box, the floating plate receives the buoyancy action of the liquid to enable the floating plate to move upwards, the floating plate drives the gate to move upwards through the connecting rod, the liquid discharging port is opened to discharge the liquid, and meanwhile, the liquid flow meter measures the liquid; when the liquid level is lowered, under the action of the elastic element, the connecting rod drives the floating plate and the gate to descend, and the liquid discharge port is closed; the arrangement ensures that all the liquid discharged through the liquid outlet is liquid, and ensures the accuracy of multiple measurements; compared with the prior art, the method has the advantage that the two-phase flow is more accurately calculated and measured through a mathematical model by separating and measuring the gas phase and the liquid phase.
Drawings
Fig. 1 is a schematic structural diagram of a multiphase flow measurement device.
Fig. 2 is an enlarged view of a portion a in fig. 1.
Fig. 3 is a schematic structural diagram of a rotating shaft in the multiphase flow measurement device.
In the figure: the device comprises a separation cylinder body-1, an air outlet pipe-2, a gas flowmeter-3, a feed inlet-4, a first helical blade-5, a second helical blade-6, a collection box-7, a liquid discharge port-8, a gate-9, a floating plate-10, a connecting rod-11, an elastic piece-12, a partition plate-13, a slag discharge port-14, a mist catcher-15, an elastic support-16, a driven ring-17, a driving rod-18, a rotating shaft-19, an axial flow blade-20 and a liquid flowmeter-21.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 3, a structure diagram of a multiphase flow measurement device provided in an embodiment of the present invention includes: the upper part of the side wall of the separation cylinder body 1 is provided with a feeding hole 4;
the gas outlet pipe 2 is arranged in the central position in the separation cylinder body 1, the upper end of the gas outlet pipe 2 penetrates through the separation cylinder body 1, and the lower part of the gas outlet pipe 2 is arranged at the bottom of the separation cylinder body 1 and is communicated with the inside of the separation cylinder body 1;
wherein, the outer side of the air outlet pipe 2 is sleeved with a first helical blade 5; a mist catcher 15 which vibrates up and down in a reciprocating manner is also arranged in the air outlet pipe 2; the filter is used for filtering water vapor in the gas; the mist catcher 15 is arranged in a vertically reciprocating vibration mode, so that the blockage of the mist catcher 15 is avoided;
the collecting box 7 is fixedly arranged below the separation cylinder 1 and is communicated with the inside of the separation cylinder 1;
a liquid outlet 8 is formed in one side wall of the collecting box 7, a gate 9 for controlling the on-off of the liquid outlet 8 is further arranged on the liquid outlet 8, the gate 9 is connected to a floating plate 10 through a connecting rod 11, and the connecting rod 11 is elastically arranged in the collecting box 7; when a certain amount of liquid is collected in the collection box 7, the floating plate 10 receives the buoyancy action of the liquid to enable the floating plate 10 to move upwards, the floating plate 10 drives the gate 9 to move upwards through the connecting rod 11, and the liquid discharge port 8 is opened to discharge the liquid; when the liquid level is lowered, under the action of the elastic element 12, the connecting rod 11 drives the floating plate 10 and the gate 9 to be lowered, and the liquid outlet 8 is closed; the arrangement ensures that all the liquid discharged through the liquid outlet 8 is liquid, and ensures the accuracy of multiple measurements;
and a gas flowmeter 3 and a liquid flowmeter 21 are respectively and fixedly arranged on the liquid outlet 8 and the gas outlet pipe 2, and the gas phase and the liquid phase can be conveniently measured by the arrangement.
In the embodiment of the invention, fluid to be measured enters the separation cylinder body 1 through the feeding hole 4, the fluid performs spiral motion under the action of the first spiral blade 5, so that gas and liquid are separated, the fluid moves to the lower part of the separation cylinder body 1, the gas is discharged through the gas outlet pipe 2, and then the gas flow is measured through the gas flowmeter 3; the separated liquid falls into the collecting box 7, when certain liquid is collected in the collecting box 7, the floating plate 10 receives the buoyancy action of the liquid to enable the floating plate 10 to move upwards, the floating plate 10 drives the gate 9 to move upwards through the connecting rod 11, the liquid discharging port 8 is opened to discharge the liquid, and meanwhile, the liquid flowmeter 21 measures the liquid; when the liquid level is lowered, under the action of the elastic element 12, the connecting rod 11 drives the floating plate 10 and the gate 9 to be lowered, and the liquid outlet 8 is closed; the arrangement ensures that all the liquid discharged through the liquid outlet 8 is liquid, and ensures the accuracy of multiple measurements; compared with the prior art, the method has the advantage that the two-phase flow is more accurately calculated and measured through a mathematical model by separating and measuring the gas phase and the liquid phase.
As a preferred embodiment of the invention, in order to prevent the inside of the collecting box 7 from being influenced by the pressure inside the separating cylinder 1 on the outlet flow of the liquid outlet 8, a partition plate 13 is further arranged inside the collecting box 7, the collecting box 7 is divided into a left cavity and a right cavity by the partition plate 13, the floating plate 10 and the liquid outlet 8 are arranged in the right cavity, and the communication part between the collecting box 7 and the separating cylinder 1 is arranged in the left cavity.
The inside second helical blade 6 that still is provided with of outlet duct 2, second helical blade 6 sets up in outlet duct 2 import department, and this setting is further separated the gas-liquid, improves the accuracy of separation.
The collecting box 7 is also provided with a slag discharge port 14, and the slag discharge port 14 is convenient for sewage discharge. The slag discharge port 14 is arranged on the left cavity of the collecting box 7.
Two ends of the mist catcher 15 are respectively and elastically arranged on the inner wall of the air outlet pipe 2 through elastic supports 16; and a reciprocating component for driving the mist catcher 15 to reciprocate up and down is further arranged in the air outlet pipe 2.
Specifically, reciprocal subassembly includes driven ring 17 of fixed mounting at mist catcher 15 intermediate position, driven ring 17 lower extreme is contradicted and is had two actuating levers 18, and two actuating levers 18 symmetric mounting are in the upper end of pivot 19, still be provided with the arc arch on the driven ring 17, the arc arch sets up on the rotation orbit of two actuating levers 18, pivot 19 self-rotation sets up, and is concrete, rotates when pivot 19, drives two actuating levers 18 and rotates, and two actuating levers 18 intermittent type are contradicted to the arc arch on driven ring 17 on, and then drive mist catcher 15 up-and-down reciprocating vibration. Thereby avoiding the gas passing efficiency from being influenced by the blockage of the mist catcher 15 caused by the enriched liquid.
The rotating shaft 19 is rotatably installed on a supporting rod in the gas outlet pipe 2, the end, far away from the driving rod 18, of the gate 9 is provided with the axial flow blade 20, the rotating shaft 19 is driven to rotate by the pushing of gas flowing through the axial flow blade 20, power is provided for the rotating shaft 19 to rotate, and further power is provided for the mist catcher 15 to vibrate up and down in a reciprocating mode.
The working principle of the invention is as follows: fluid to be measured enters the separation cylinder body 1 through the feeding hole 4, the fluid performs spiral motion under the action of the first spiral blade 5, gas and liquid are separated, the fluid moves to the lower part of the separation cylinder body 1, the gas is discharged after being secondarily separated through the second spiral blade 6 in the gas outlet pipe 2, then the gas flow is measured through the gas flowmeter 3, when the gas in the gas outlet pipe 2 passes through the mist catcher 15, the mist catcher 15 collects the liquid in the gas, meanwhile, the axial flow blade 20 rotates under the pushing of the gas, the axial flow blade 20 enables the mist catcher 15 to vibrate up and down in a reciprocating mode through the rotating shaft 19, the driving rod 18 and the driven ring 17, and therefore the blockage of the mist catcher 15 is avoided, and the gas discharge is influenced; the separated liquid falls into the collecting box 7, when certain liquid is collected in the collecting box 7, the floating plate 10 receives the buoyancy action of the liquid to enable the floating plate 10 to move upwards, the floating plate 10 drives the gate 9 to move upwards through the connecting rod 11, the liquid discharging port 8 is opened to discharge the liquid, and meanwhile, the liquid flowmeter 21 measures the liquid; when the liquid level is lowered, under the action of the elastic element 12, the connecting rod 11 drives the floating plate 10 and the gate 9 to be lowered, and the liquid outlet 8 is closed; the arrangement ensures that all the liquid discharged through the liquid outlet 8 is liquid, and ensures the accuracy of multiple measurements; compared with the prior art, the method has the advantage that the two-phase flow is more accurately calculated and measured through a mathematical model by separating and measuring the gas phase and the liquid phase.
In the description of the present invention, it is to be understood that the terms "first", "second", and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, in the description of the present invention, "a plurality" means two or more unless otherwise specified. A feature defined as "first," "second," etc. may explicitly or implicitly include one or more of the feature.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. A multiphase flow measurement device, comprising: the upper part of the side wall of the separation cylinder body (1) is provided with a feeding hole (4);
the gas outlet pipe (2) is arranged in the center of the interior of the separation cylinder body (1), the upper end of the gas outlet pipe (2) penetrates through the separation cylinder body (1) and is arranged at the bottom of the separation cylinder body (1), and the lower part of the gas outlet pipe (2) is communicated with the interior of the separation cylinder body (1);
wherein, the outer side of the air outlet pipe (2) is sleeved with a first helical blade (5); a mist catcher (15) which vibrates up and down in a reciprocating manner is also arranged in the air outlet pipe (2);
the collecting box (7) is fixedly arranged below the separating cylinder body (1) and is communicated with the inside of the separating cylinder body (1);
a liquid discharge port (8) is formed in one side wall of the collection box (7), a gate (9) for controlling the on-off of the liquid discharge port (8) is further arranged on the liquid discharge port (8), the gate (9) is connected to a floating plate (10) through a connecting rod (11), and the connecting rod (11) is elastically arranged inside the collection box (7);
and a gas flowmeter (3) and a liquid flowmeter (21) are respectively and fixedly arranged on the liquid outlet (8) and the gas outlet pipe (2).
2. The multiphase flow measuring device of claim 1, wherein a partition plate (13) is further arranged inside the collecting tank (7), the collecting tank (7) is divided into a left cavity and a right cavity by the partition plate (13), the floating plate (10) and the liquid discharge port (8) are arranged in the right cavity, and the communication part between the collecting tank (7) and the separating cylinder (1) is arranged in the left cavity.
3. The multiphase flow measurement device of claim 2, wherein a second helical blade (6) is further arranged inside the gas outlet pipe (2), and the second helical blade (6) is arranged at the inlet of the gas outlet pipe (2).
4. A multiphase flow measurement device according to claim 3, characterized in that the collection tank (7) is further provided with a slag discharge opening (14).
5. The multiphase flow measurement device of any one of claims 1-4, wherein both ends of the mist catcher (15) are respectively and elastically mounted on the inner wall of the outlet pipe (2) through elastic supports (16).
6. A multiphase flow measurement device according to claim 5, wherein a reciprocating component for driving the mist trap (15) to reciprocate up and down is further arranged in the outlet pipe (2).
7. The multiphase flow measurement device of claim 6, wherein the reciprocating assembly comprises a driven ring (17) fixedly installed at a middle position of the mist catcher (15), two driving rods (18) are abutted on a lower end of the driven ring (17), the two driving rods (18) are symmetrically installed at an upper end of a rotating shaft (19), an arc-shaped protrusion is further arranged on the driven ring (17), the arc-shaped protrusion is arranged on a rotating track of the two driving rods (18), and the rotating shaft (19) is arranged in a self-rotating manner.
8. The multiphase flow measurement device of claim 7, wherein the rotating shaft (19) is rotatably mounted on a strut inside the outlet pipe (2), and an axial flow blade (20) is mounted at one end of the gate (9) far away from the driving rod (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011149405.3A CN112229463A (en) | 2020-10-23 | 2020-10-23 | Multiphase flow measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011149405.3A CN112229463A (en) | 2020-10-23 | 2020-10-23 | Multiphase flow measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112229463A true CN112229463A (en) | 2021-01-15 |
Family
ID=74110739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011149405.3A Withdrawn CN112229463A (en) | 2020-10-23 | 2020-10-23 | Multiphase flow measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112229463A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115501737A (en) * | 2022-09-26 | 2022-12-23 | 中宇京韵环保技术(北京)有限公司 | Cyclone spraying oil fume purification system |
-
2020
- 2020-10-23 CN CN202011149405.3A patent/CN112229463A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115501737A (en) * | 2022-09-26 | 2022-12-23 | 中宇京韵环保技术(北京)有限公司 | Cyclone spraying oil fume purification system |
| CN115501737B (en) * | 2022-09-26 | 2024-04-23 | 中宇京韵环保技术(北京)有限公司 | Cyclone spraying type oil fume purifying system |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210115 |
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| WW01 | Invention patent application withdrawn after publication |