CN2846910Y - Flow regulator of micro shear liquid - Google Patents
Flow regulator of micro shear liquid Download PDFInfo
- Publication number
- CN2846910Y CN2846910Y CN 200520108944 CN200520108944U CN2846910Y CN 2846910 Y CN2846910 Y CN 2846910Y CN 200520108944 CN200520108944 CN 200520108944 CN 200520108944 U CN200520108944 U CN 200520108944U CN 2846910 Y CN2846910 Y CN 2846910Y
- Authority
- CN
- China
- Prior art keywords
- sphere
- annular
- valve seat
- cone
- little shearing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses the improved design of a flow regulator of micro shearing liquid, which is characterized in that a flow regulation valve core is of a spherical surface cone multistage shaft (8), a split-flow balancing sleeve (6) with a cross bore is arranged in the valve body, and an annular micro shearing valve seat (7) is arranged below the split-flow balancing sleeve with the cross bore. A full seal gradual change balancing flow passage sleeve (9) is arranged below the annular micro shearing valve seat, and a balancing pressure maintaining position bearing (10) is arranged below the full seal gradual change balancing flow passage sleeve. The bottom of the spherical surface cone multistage shaft is matched with the balancing pressure maintaining position bearing, and a gap is always formed between the circular inner side of the micro shearing valve seat and the outer circumference surface of the spherical surface cone shaft through the matching relation of the bottom of the spherical surface cone shaft and the balancing pressure maintaining position bearing. Because the spherical surface cone multistage shaft is provided with multistage cone series, the slow change of the fluid flow rate can be realized and the functions of shearing prevention and high pressure washing prevention can be realized. The viscosity of mother liquid can also not be damaged, and the requirements of production can be achieved.
Description
Technical field: the utility model relates to a kind of improvement invention of regulator, what be specifically related to is a kind of little shearing flow regulator, what be particularly related to is a kind of viscosity and concentration of keeping when oil field injection of polymer mother liquor recovers the oil, need with High Pressure Difference regulate little shearing, the improvement of flow control valve core is invented on little shearing flow regulator of sticking, the no viscosity reduction of edging down.
Background technique: in the prior art, the employed flow regulator of using at three field of petroleum exploitation or chemical field of maintenance polymer injection mother liquor viscosity, its spool is to adopt three grades of roman awls, every grade of camber, and its inlet pressure reaches 20Mpa in petroleum production, and outlet pressure has only 4Mpa, and pressure differs 16Mpa between the import and export, so cause mother liquor by the time damage viscosity, just do not reach the production demand yet.
Summary of the invention: in view of the problem that known technology exists, it is one simple in structure, reasonable in design that the purpose of this utility model aims to provide, and anti-shearing anti-high pressure washes away little shearing fluid flow regulator of no viscosity reduction degree.For meeting the requirements of purpose, model utility is that following mode is finished, the little shearing fluid flow regulator of this kind, this regulator has a valve body, in described valve body, be provided with a flow control valve core, described valve body is provided with final controlling element and controller, be provided with screw rod in the described final controlling element, described screw rod is connected with the Flow-rate adjustment spool, it is characterized in that described Flow-rate adjustment spool is the sphere cone axis, be provided with band cross-drilled hole shunting balance set in the described valve body, described band cross-drilled hole shunting balance set is provided with inside and outside sealing seat, described band cross-drilled hole balanced runner cover has annular little shearing valve seat and balance pressurize positioning support, match with balance pressurize positioning support in the bottom of the multistage axle of described sphere cone, the annular inboard of the little shearing valve seat of described annular matches with sphere cone axis sphere external peripheral surface, and the matching relationship of bottom by the sphere cone axis and balance pressurize positioning support makes between the annular inboard of annular little shearing valve seat and the sphere cone axis sphere external peripheral surface and leaves the gap all the time.Sphere cone on the multistage axle of described sphere cone is provided with two-stage at least on this axle, be stepped shaft and distribute, and is provided with the annular little shearing valve seat and the full envelope gradual change balanced runner cover that equate with progression on the sphere cone axis in the described valve body.Described final controlling element bottom is provided with the indicator of aperture.
The utility model compared with prior art, owing in this valve body, be provided with annular little shearing valve seat, annular inboard and sphere cone axis sphere external peripheral surface matching relationship by the little shearing valve seat of annular, form an organic whole, along with moving up and down of sphere cone axis, just can change the size of circulation circulation area, thereby realize the purpose of Flow-rate adjustment, and the inner chamber of valve body is not also with the tapering requirement that cooperates the sphere cone axis, as in the past if cooperate the tapering of spool, body cavity also will be made into tapering and the spool tapering matches, and makes and trouble.The progression of the sphere cone on the multistage axle of the utility model sphere cone is provided with two-stage at least on this axle, owing to the slow variation of rate of flow of fluid, also just realized the function that anti-shearing and anti-high pressure washes away in this process.Mother liquor viscosity can not be damaged yet, and just reaches the production demand yet.
Description of drawings: the utility model has following accompanying drawing:
Fig. 1 is a structure sectional view of the present utility model.
Embodiment: accompanying drawing has been represented structure of the present utility model and embodiment, advances in conjunction with the accompanying drawings more below
One step was described the related content and the working principle of embodiment.The little shearing fluid flow regulator of this kind, has a valve body, in described valve body, be provided with a flow control valve core, described valve body is provided with final controlling element 2 and controller 1, described final controlling element 2 is electrically connected with controller 1, and installation and control device on the described final controlling element 2 can receive and send related data automatic control signal, and can specially control with computer and be connected, on controller panel, be provided with operation knob and liquid crystal display panel.Be provided with screw rod 3 (the utility model also can be provided with the manually-operable handle on the final controlling element screw rod, to realize easy manual operation) in the described final controlling element 2.Final controlling element 2 bottoms are provided with the indicator 4 of aperture, and described screw rod 3 is connected with the Flow-rate adjustment spool, and described Flow-rate adjustment spool is the multistage axle 8 of sphere cone, and the sphere cone progression of the multistage axle 8 of this sphere cone is provided with level Four on this axle, be stepped shaft and distribute.Be provided with band cross-drilled hole shunting balance set 6 in the described valve body, described band cross-drilled hole shunting balance set is provided with inside and outside sealing seat 5, described band cross-drilled hole shunting balance set 6 has annular little shearing valve seat 7, the little shearing valve seat 7 of described annular has full envelope gradual change balanced runner cover 9, described full envelope gradual change balanced runner cover 9 has balance pressurize positioning support 10, match with balance pressurize positioning support 10 in the bottom of the multistage axle 8 of described sphere cone, the annular inboard of the little shearing valve seat 7 of described annular matches with sphere cone axis sphere external peripheral surface, and the bottom by the multistage axle of sphere cone 8 and the matching relationship of balance pressurize positioning support make between the annular inboard of annular little shearing valve seat 7 and the sphere cone axis sphere external peripheral surface and leave the gap all the time, and the big or small degree of finding out this gap that the indicator 4 of aperture can be very vivid from the scale.In the time will weakening flow, as long as operation control, controller signals to final controlling element work, screw rod 3 in the final controlling element 2 is rotated, screw rod 3 rotations will drive the sphere cone axis simultaneously and move down, reduce the annular inboard of annular little shearing valve seat and the interval area between the sphere cone axis sphere external peripheral surface, fluid then flows through from this gap, flows out from outlet.Counter-rotating in like manner then increases the annular inboard of annular little shearing valve seat and the interval area between the sphere cone axis sphere external peripheral surface.When the sphere cone axis moved down, when its bottom touched balance pressurize positioning support, because balance pressurize positioning support has withstood sphere cone axis bottom, the sphere cone axis also just moved down and does not know clearly.This moment, the annular inboard and the interval area between the sphere cone axis sphere external peripheral surface of annular little shearing valve seat were minimum.
Claims (3)
1, a kind of little shearing fluid flow regulator, this regulator has a valve body, in described valve body, be provided with a flow control valve core, described valve body is provided with final controlling element (2) and controller (1), be provided with screw rod (3) in the described final controlling element (2), described screw rod (3) is connected with the Flow-rate adjustment spool, it is characterized in that described Flow-rate adjustment spool is the multistage axle of sphere cone (8), be provided with band cross-drilled hole shunting balance set (6) in the described valve body, described band cross-drilled hole shunting balance set (6) is provided with inside and outside sealing seat (5), described band cross-drilled hole shunting balance set (6) has annular little shearing valve seat (7), the little shearing valve seat of described annular (7) has full envelope gradual change balanced runner cover (9), described full envelope gradual change balanced runner cover (9) has balance pressurize positioning support (10), match with balance pressurize positioning support (10) in the bottom of the multistage axle of described sphere cone, the multistage axle of the annular inboard of the little shearing valve seat of described annular (7) and sphere cone (8) sphere external peripheral surface matches, and the matching relationship of bottom by sphere cone axis (8) and balance pressurize positioning support (10) makes between the annular inboard of annular little shearing valve seat (7) and the sphere cone axis sphere external peripheral surface and leaves the gap all the time.
2, a kind of little shearing fluid flow regulator as claimed in claim 1, it is characterized in that the sphere cone on the multistage axle of described sphere cone (8) is provided with two-stage at least on this axle, be stepped shaft and distribute, be provided with in the described valve body with sphere cone axis (8) and go up annular little shearing valve seat (7) and the full envelope gradual change balanced runner cover (9) that progression equates.
3, a kind of little shearing fluid flow regulator as claimed in claim 1 is characterized in that described final controlling element (2) bottom is provided with the indicator (4) of aperture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520108944 CN2846910Y (en) | 2005-06-10 | 2005-06-10 | Flow regulator of micro shear liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520108944 CN2846910Y (en) | 2005-06-10 | 2005-06-10 | Flow regulator of micro shear liquid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2846910Y true CN2846910Y (en) | 2006-12-13 |
Family
ID=37512334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520108944 Expired - Fee Related CN2846910Y (en) | 2005-06-10 | 2005-06-10 | Flow regulator of micro shear liquid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2846910Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101074602B (en) * | 2007-07-18 | 2010-10-13 | 中国石油化工股份有限公司胜利油田分公司孤东采油厂 | Stratified injection tubular pile |
-
2005
- 2005-06-10 CN CN 200520108944 patent/CN2846910Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101074602B (en) * | 2007-07-18 | 2010-10-13 | 中国石油化工股份有限公司胜利油田分公司孤东采油厂 | Stratified injection tubular pile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20061213 |