CN204060672U - Vertical fluid metering sled - Google Patents
Vertical fluid metering sled Download PDFInfo
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- CN204060672U CN204060672U CN201420501234.XU CN201420501234U CN204060672U CN 204060672 U CN204060672 U CN 204060672U CN 201420501234 U CN201420501234 U CN 201420501234U CN 204060672 U CN204060672 U CN 204060672U
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- metering cylinder
- metering
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- inner chamber
- over valve
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Abstract
A vertical fluid metering sled, relates to flow measurement technology field, and what solve is gas-liquid mixed metering and the technical problem improving certainty of measurement.This metering sled comprises base, metering cylinder, four-way change-over valve; Described metering cylinder is a perpendicular columnar cylinder body of putting, piston is provided with in metering cylinder inner chamber, metering cylinder inner chamber two ends respectively offer a medium access, these two medium accesss are withstand voltage through flexible pipe receives A mouth, the B mouth of four-way change-over valve respectively, the two ends up and down of metering cylinder are respectively equipped with one for triggering the reversing switch of four-way change-over valve commutation, piston are equipped with for touching the closed commutation trigger unit of reversing switch; Metering cylinder places on base by LOAD CELLS, and base is provided with the Weighing module for gathering LOAD CELLS sensed data, and the control end of this Weighing module receives two reversing switches.The metering sled that the utility model provides, is specially adapted to the metering of oilfield production fluid, can measures the fluid-mixing of oil-water-gas simultaneously.
Description
Technical field
The utility model relates to flow measurement technology, particularly relates to the technology of a kind of vertical fluid metering sled.
Background technology
Existing oilfield all to adopt Skip meter to measure Liquid output, the general principle of this Skip meter arranges a rotating shaft in airtight measurement chamber, symmetrical installation two tipping buckets in rotating shaft, rotating shaft is provided with the Hall element being connected to electronic counter, during device work, first tipping bucket upward, second tipping bucket down, individual well is next oily enters room measurement chamber from import, then overflow is to first tipping bucket of lower room, when oil mass reaches tipping bucket demarcation weight, first tipping bucket overturns emptying down, second tipping bucket overturns beginning oil-feed upward simultaneously, when oil mass reaches tipping bucket demarcation weight, second tipping bucket overturns emptying down, first tipping bucket overturns upward and again starts oil-feed simultaneously, repeated work like this, by electronic counter record tipping bucket upset number of times, well yield in the unit interval can be converted out.The defect of this Skip meter is: when the medium that metering gassiness is less, the medium velocity of discharge is relatively slow, the liquid in measurement chamber is accumulated too much, thus easily bucket is flooded in generation, causes tipping bucket to overturn, cannot guarantee that metering work normally carries out.Simultaneously due to the Principle Problems of tipping bucket structure, pulsating flow in fluid can have influence on measurement result, its error in dipping is also relatively large, error in dipping is usually at 15%-25%, and the volume of tipping bucket tank is also larger, cost of manufacture is relatively high, and take up room also comparatively large, metered flow scope is also relatively little.
Utility model content
For the defect existed in above-mentioned prior art, technical problem to be solved in the utility model is to provide one can guarantee that metering work normally carries out, and measuring accuracy is high, low cost of manufacture, the vertical fluid metering sled taking up room little.
In order to solve the problems of the technologies described above, a kind of vertical fluid metering sled provided by the utility model, is characterized in that: comprise base, metering cylinder, four-way change-over valve;
Described metering cylinder is a perpendicular columnar cylinder body of putting, it is inner chamber integrated closed, a cylinder-piston coaxial with it is provided with in the inner chamber of metering cylinder, this piston and metering cylinder inwall are slidably matched, hermetic seal between piston side face and metering cylinder internal face, the two ends of metering cylinder inner chamber respectively offer the medium access of its inner chamber of coming in and going out for medium, and the A mouth of four-way change-over valve received by one of them medium access one flexible pipe, and the B mouth of four-way change-over valve is received through another flexible pipe in another medium access;
Described metering cylinder internal fixtion has a vertical mozzle, the pipe shaft of this mozzle passes piston with sliding matching mode, and the joint portion hermetic seal between mozzle pipe shaft and piston, the upper end mouth of pipe of mozzle extends upwardly to the top of metering cylinder inner chamber, and and between metering cylinder inner chamber top, leave the gap passed through for fluid;
In described two medium accesss, one of them medium setup of entrances and exits is on the lower end end cap of metering cylinder, and the upper end mouth of pipe of mozzle forms another medium access;
The two ends up and down of described metering cylinder are respectively equipped with one for triggering the reversing switch of four-way change-over valve commutation, piston is equipped with for touching the closed commutation trigger unit of reversing switch, when piston moves to metering cylinder inner chamber lower end, this commutation trigger unit touches lower reversing switch and closes, when piston moves to metering cylinder inner chamber upper end, this commutation trigger unit touches upper reversing switch and closes;
The LOAD CELLS for monitoring and metering cylinder weight is equipped with in the bottom of described metering cylinder, metering cylinder places on base by LOAD CELLS, base is provided with the Weighing module for gathering LOAD CELLS sensed data, and the control end of this Weighing module receives two reversing switches.
Further, described reversing switch is Hall switch, and described commutation trigger unit is magnet.
The vertical fluid metering sled that the utility model provides, weight characteristics according to fluid detects flow, can effectively avoid fluid air content factor to the interference of measurement result, can guarantee that metering work normally carries out, and the pulsating flow in fluid also can not have influence on measurement result, has the advantages that measuring accuracy is high, be particularly suitable for the fluid measuring gas-liquid mixed, it is less that the volume of metering cylinder also can design, and have low cost of manufacture, take up room little feature.
Accompanying drawing explanation
Fig. 1 is the front view of the vertical fluid metering sled of the utility model embodiment;
Fig. 2 is that the master of the metering cylinder that the vertical fluid of the utility model embodiment measures in sled looks cut away view.
Detailed description of the invention
Illustrate below in conjunction with accompanying drawing and be described in further detail embodiment of the present utility model, but the present embodiment is not limited to the utility model, every employing analog structure of the present utility model and similar change thereof, all should list protection domain of the present utility model in.
As Figure 1-Figure 2, a kind of vertical fluid metering sled that the utility model embodiment provides, is characterized in that: comprise base 20, metering cylinder 21, four-way change-over valve 22;
Described metering cylinder 21 is perpendicular columnar cylinder body of putting, it is inner chamber integrated closed, a cylinder-piston 23 coaxial with it is provided with in the inner chamber of metering cylinder 21, this piston 23 is slidably matched with metering cylinder inwall, hermetic seal between piston side face and metering cylinder internal face, the two ends of metering cylinder inner chamber respectively offer the medium access of its inner chamber of coming in and going out for medium, the A mouth of four-way change-over valve 22 received by one of them medium access one flexible pipe 24, and the B mouth of four-way change-over valve 22 is received through another flexible pipe 24 in another medium access;
Described metering cylinder 21 internal fixtion has a vertical mozzle 29, the pipe shaft of this mozzle 29 passes piston 23 with sliding matching mode, and the joint portion hermetic seal between mozzle pipe shaft and piston, the upper end mouth of pipe of mozzle 29 extends upwardly to the top of metering cylinder inner chamber, and and between metering cylinder inner chamber top, leave the gap passed through for fluid;
In described two medium accesss, one of them medium setup of entrances and exits is on the lower end end cap of metering cylinder 21, and the upper end mouth of pipe of mozzle 29 forms another medium access;
Described four-way change-over valve 22 is motor operated valve, the two ends up and down of metering cylinder 21 are respectively equipped with one for triggering the reversing switch 25 that four-way change-over valve 22 commutates, piston 23 is equipped with for touching the closed commutation trigger unit 27 of reversing switch 25, when piston 23 moves to metering cylinder inner chamber lower end, this commutation trigger unit 27 touches lower reversing switch 25 and closes, when piston 23 moves to metering cylinder inner chamber upper end, this commutation trigger unit 27 touches upper reversing switch 25 and closes;
The LOAD CELLS (not shown) for monitoring and metering cylinder weight is equipped with in the bottom of described metering cylinder 21, metering cylinder 21 places on base by LOAD CELLS, base 20 is provided with the Weighing module (not shown) for gathering LOAD CELLS sensed data, and the control end of this Weighing module receives two reversing switches 25.
In the utility model embodiment, described reversing switch is Hall switch, and described commutation trigger unit is magnet, and described Weighing module is prior art.
In other embodiment of the utility model, described four-way change-over valve also can adopt pneumatic operated valve.
In the utility model embodiment, described commutation trigger unit is a cylinder, commutation trigger unit is arranged on piston with sliding matching mode, and the joint portion hermetic seal of commutation trigger unit and piston, when piston movement is to metering cylinder inner chamber lower end, the lower end end cap ejection commutation trigger unit of metering cylinder, making it opposing pistons upward sliding to top extends above piston, piston can be moved to fit with metering cylinder lower end end cap, to ensure that in metering cylinder, original medium is all discharged, when piston movement is to metering cylinder inner chamber upper end, the upper end end cap ejection commutation trigger unit of metering cylinder, make it opposing pistons slide down to bottom extend above piston, piston can be moved to fit with metering cylinder upper end end cap, to ensure that in metering cylinder, original medium is all discharged, in other embodiment of the utility model, commutation trigger unit also can be fixed on piston, in this case the trigger unit that commutates entirety should be positioned at piston, or two ends flush with piston up and down, piston can be moved to fit with metering cylinder two ends end cap.
The utility model embodiment is specially adapted to the metering of oilfield production fluid, can measure the fluid-mixing of oil-water-gas simultaneously, have fine compliance for Liquid output fluctuation situation, and the fluid of the certain silt of measurable doping.
The operating principle of the utility model embodiment is as follows:
Four-way change-over valve access is treated the conveyance conduit of fluid measured, P mouth, the T mouth of four-way change-over valve dock with fluid-transporting tubing respectively;
If two of four-way change-over valve duties are respectively the first duty, the second duty, when four-way change-over valve is in the first duty, its P mouth is communicated with A mouth, T mouth is then communicated with B mouth, when four-way change-over valve is in the second duty, its P mouth is communicated with B mouth, and T mouth is then communicated with A mouth;
Under original state, piston is positioned at metering cylinder inner chamber lower end, now four-way change-over valve is in the first duty, now fluid flows into from the P mouth of four-way change-over valve, flow out from the A mouth of four-way change-over valve again, metering cylinder inner chamber is flowed into again through flexible pipe, thus promotion piston moves up, meanwhile, in metering cylinder inner chamber, original fluid is successively through mozzle, flexible pipe flows into the B mouth of four-way change-over valve, flow out from the T mouth of four-way change-over valve again, enter the subsequent delivery pipeline of fluid, when piston moves to metering cylinder inner chamber upper end, commutation trigger unit on piston touches the reversing switch of metering cylinder upper end, this reversing switch triggers four-way change-over valve commutation immediately, four-way change-over valve is made to switch to the second duty from the first duty, meanwhile, this reversing switch triggers the sensed data of Weighing module acquires LOAD CELLS, take the current weight of metering cylinder, so far a metering cycle is from bottom to up completed, after four-way change-over valve switches to the second duty, fluid flows into from the P mouth of four-way change-over valve, flow out from the B mouth of four-way change-over valve again, again successively through flexible pipe, mozzle flows into metering cylinder inner chamber, thus promotion piston moves down, when piston moves to metering cylinder inner chamber lower end, commutation trigger unit on piston touches the reversing switch of metering cylinder lower end, this reversing switch triggers four-way change-over valve commutation immediately, four-way change-over valve is made to switch back the first duty from the second duty, meanwhile, this reversing switch triggers the sensed data of Weighing module acquires LOAD CELLS, take the current weight of metering cylinder, so far a metering cycle is from top to bottom completed, namely next metering cycle is from bottom to up started subsequently,
When Weighing module takes metering cylinder weight at every turn, piston just completes a metering cycle, measured value is deducted the deadweight of metering cylinder and annex thereof by Weighing module, the weight of metering cylinder inner fluid can be known, complete the duration of this metering cycle again in conjunction with piston, the flow of fluid can be extrapolated.
Claims (2)
1. a vertical fluid metering sled, is characterized in that: comprise base, metering cylinder, four-way change-over valve;
Described metering cylinder is a perpendicular columnar cylinder body of putting, it is inner chamber integrated closed, a cylinder-piston coaxial with it is provided with in the inner chamber of metering cylinder, this piston and metering cylinder inwall are slidably matched, hermetic seal between piston side face and metering cylinder internal face, the two ends of metering cylinder inner chamber respectively offer the medium access of its inner chamber of coming in and going out for medium, and the A mouth of four-way change-over valve received by one of them medium access one flexible pipe, and the B mouth of four-way change-over valve is received through another flexible pipe in another medium access;
Described metering cylinder internal fixtion has a vertical mozzle, the pipe shaft of this mozzle passes piston with sliding matching mode, and the joint portion hermetic seal between mozzle pipe shaft and piston, the upper end mouth of pipe of mozzle extends upwardly to the top of metering cylinder inner chamber, and and between metering cylinder inner chamber top, leave the gap passed through for fluid;
In described two medium accesss, one of them medium setup of entrances and exits is on the lower end end cap of metering cylinder, and the upper end mouth of pipe of mozzle forms another medium access;
The two ends up and down of described metering cylinder are respectively equipped with one for triggering the reversing switch of four-way change-over valve commutation, piston is equipped with for touching the closed commutation trigger unit of reversing switch, when piston moves to metering cylinder inner chamber lower end, this commutation trigger unit touches lower reversing switch and closes, when piston moves to metering cylinder inner chamber upper end, this commutation trigger unit touches upper reversing switch and closes;
The LOAD CELLS for monitoring and metering cylinder weight is equipped with in the bottom of described metering cylinder, metering cylinder places on base by LOAD CELLS, base is provided with the Weighing module for gathering LOAD CELLS sensed data, and the control end of this Weighing module receives two reversing switches.
2. vertical fluid metering sled according to claim 1, it is characterized in that: described reversing switch is Hall switch, described commutation trigger unit is magnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420501234.XU CN204060672U (en) | 2014-09-02 | 2014-09-02 | Vertical fluid metering sled |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420501234.XU CN204060672U (en) | 2014-09-02 | 2014-09-02 | Vertical fluid metering sled |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204060672U true CN204060672U (en) | 2014-12-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420501234.XU Expired - Fee Related CN204060672U (en) | 2014-09-02 | 2014-09-02 | Vertical fluid metering sled |
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| CN (1) | CN204060672U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112855116A (en) * | 2021-01-06 | 2021-05-28 | 大庆丹诺石油科技开发有限公司 | Oil well oil-gas-water three-phase flow metering device and metering method |
| CN116464428A (en) * | 2023-05-08 | 2023-07-21 | 山东省微远科技有限公司 | Skid-mounted piston type continuous single-well crude oil metering device |
-
2014
- 2014-09-02 CN CN201420501234.XU patent/CN204060672U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112855116A (en) * | 2021-01-06 | 2021-05-28 | 大庆丹诺石油科技开发有限公司 | Oil well oil-gas-water three-phase flow metering device and metering method |
| CN116464428A (en) * | 2023-05-08 | 2023-07-21 | 山东省微远科技有限公司 | Skid-mounted piston type continuous single-well crude oil metering device |
| CN116464428B (en) * | 2023-05-08 | 2023-11-03 | 山东省微远科技有限公司 | Skid-mounted piston type continuous single-well crude oil metering device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141231 Termination date: 20200902 |
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| CF01 | Termination of patent right due to non-payment of annual fee |