CN206190932U - Multistage float case of coaxial -type - Google Patents
Multistage float case of coaxial -type Download PDFInfo
- Publication number
- CN206190932U CN206190932U CN201621251026.4U CN201621251026U CN206190932U CN 206190932 U CN206190932 U CN 206190932U CN 201621251026 U CN201621251026 U CN 201621251026U CN 206190932 U CN206190932 U CN 206190932U
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- CN
- China
- Prior art keywords
- valve
- valve element
- coaxial
- multistage
- cage cover
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a multistage float case of coaxial -type, case subassembly including multistage increase in proper order and connection, every grade of case subassembly includes that the valve shrouds, shrouds swing joint's case with the valve, the valve shrouds the bottom and is provided with the overflow valve hole, except that the case of one -level case subassembly, the valve that the case of all the other every grade case subassembly upper end was fixed at last one -level case subassembly shrouds the bottom, and all the other every step valve in -cores all are provided with the overflow valve hole intercommunication that circulates the way and shroud with a last step valve to all cases all are provided with the jam head that shrouds overflow valve hole adaptation with this step valve at the lower extreme. Adopt the utility model discloses can effectively control the flowing back flow.
Description
Technical field
The utility model is related to exploitation of oil-gas field technical field, and in particular to a kind of coaxial-type multistage float valve element.
Background technology
Liquid level is widely present in the process units of petrochemical industry production and other various industries.Simplest liquid
Position control is exactly that, using direct surveillance's control mode, more senior is using intelligent dynamoelectric valve pneumatic operated valve control mode.Here
What is introduced is the control mode of float-controlled valve, and in electronic, pneumatic mode, float is only used as signaling switch and is using, not directly
Drive threshold switch action.Applicant is in the Chinese patent developed and apply before《The float balance of gas-liquid-solid three-phase separator is certainly
Dynamic tapping valve》（CN201320732583.8）, it is that float directly drives the successful Application for carrying out Liquid level.
The characteristics of such control valve is most obvious is exactly the zero lag of control, it is not necessary to signal, conversion, instruction, execution, action
The intermediate links such as process, with liquid level real-time adjustment, structure simplifies, it is fast, safe and reliable to control for the aperture of valve.But in follow-up work
There is certain shortcoming simultaneously with such control valve in research and development：Driving force is limited by float volume size dimension, switching spool action
Need to overcome and certain make resistance（Effect including pressure difference before and after valve to valve element）, front and rear pressure difference heals more greatly to valve element active force
Greatly, the latus rectum of valve is bigger, bigger to valve element active force, and driving force needed for opening valve is just bigger.Therefore, for High Pressure Difference,
Large bore valves are inadaptable to use this control valve.
Utility model content
The utility model aims to provide a kind of coaxial-type multistage float valve element, it is intended to solves float liquid level and controls valve in great Kou
Application problem under footpath, High Pressure Difference operating mode.It is certain in float volume size（Buoyancy is certain）On the premise of, use will control valve valve
By multiple coaxial valve elements, hierarchical composition is formed core in order, and ensures that the difference force on every one-step valve core stream tangent plane is less than float
Effective upper lifting force, to solve the above problems.
To achieve the above object, the technical solution of the utility model is as follows：
A kind of coaxial-type multistage float valve element, it is characterised in that：Including the multistage core assembly for increasing successively and connecting；Institute
State the valve element that every grade of core assembly is flexibly connected including valve cage cover with valve cage cover；The valve cage cover bottom is provided with circulation valve opening；
In addition to the valve element of one-level core assembly, the valve element upper end of remaining every grade core assembly is fixed on the valve cage cover of upper level core assembly
Bottom, and remaining is provided with circulation road and is connected with the circulation valve opening of upper level valve cage cover per step valve in-core, and all valves
Core is provided with lower end and shrouds the blocking head that circulation valve opening is adapted to this step valve.
Further, valve seat is also included, valve seat is connected to the valve cage cover bottom of afterbody core assembly, and in valve seat
It is provided with exit passageway.
Further, the exit passageway outer circumference surface is provided with connection screw thread.
Further, the one-level valve element top is provided with the valve element pin-and-hole being connected with driving source.
Further, every grade of valve element is provided with limited step.
Further, the limited step is specially snap ring.
Further, the valve cage cover periphery is provided with multiple lead channel or inlet opening.
Further, the valve cage cover top is provided with the pressing plate coordinated with valve element limited step.
Further, the blocking head is the circular cone with holes for being arranged on spool end.
Further, the hole for blocking head turns on valve element circulation road.
The beneficial effects of the utility model are：Design of the present utility model is ingenious, and core assembly increases successively so that valve
The unlatching series of core is with liquid inlet volume size real-time regulation, it is ensured that liquid level is controlled within a certain range all the time.In whole control process
In, without all additional source of energy such as electronic source, pneumatic source, without Based Intelligent Control device, the potential energy for only relying on liquid level itself realizes liquid
Position control automatic drain.The implementation of coaxial-type multiple step plug, has broken float controlled valve to high pressure, the applicable limit of big flow
System.
Brief description of the drawings
Fig. 1 is the coaxial-type multistage float valve core structure schematic diagram that the utility model is provided.
Fig. 2 be in Fig. 1 A-A to sectional view.
Marked in figure：1 is that one-level valve element, 2 are shrouded for one-step valve, 3 is that secondary valve core, 4 are shrouded for secondary valve, 5 is three-level
Valve element, 6 be three-level valve cage cover, 7 be valve seat, 8 be valve element pin-and-hole, 9 be exit passageway, 10 be one-level circulation valve opening, 11 be two grades
Circulation valve opening, 12 are that three-level circulates valve opening, 13 to block head.
Specific embodiment
The utility model is described further with specific embodiment below in conjunction with the accompanying drawings.
As Figure 1-Figure 2, a kind of coaxial-type multistage float valve element, including the valve element that multilevel size increases and connects successively
Component.Certainly, size referred herein increases successively, primarily to the increase successively for meeting circulation valve opening meets discharge opeing
The increase successively of amount, when the circulation valve opening of design is proper with the magnitude relationship of valve cage cover, when fluid valve opening is increased
Remaining component should also be as increasing successively.
Every grade of core assembly includes the valve element that valve cage cover is flexibly connected with valve cage cover；The valve cage cover bottom is set
There is circulation valve opening；In addition to the valve element of one-level core assembly, the valve element upper end of remaining every grade core assembly is fixed on upper level valve element
The valve cage cover bottom of component, and remaining is provided with circulation road per step valve in-core and connects with the circulation valve opening of upper level valve cage cover 2
It is logical, and all valve elements are provided with the blocking first 13 that circulation valve opening adaptation is shrouded with this step valve in lower end.Also include valve seat
7, valve seat 7 is connected in the valve cage cover bottom of afterbody core assembly, and valve seat 7 and is provided with exit passageway 9.
The outer circumference surface of the exit passageway 9 is provided with connection screw thread.The top of one-level valve element 1 is provided with and connects with driving source
The valve element pin-and-hole 8 for connecing, it is of course also possible to use other similar mechanical connecting structures do simple equivalent.Every step valve
Core is provided with limited step.The limited step is specially snap ring.The valve cage cover periphery be provided with multiple lead channel or
Person's inlet opening.The valve cage cover top is provided with the pressing plate coordinated with valve element limited step.It is described to block first 13 to be arranged on valve
The circular cone with holes of core end.The hole for blocking first 13 and the conducting of valve element circulation road.Certainly, due to design principle, one-level valve element 1
Blocking first 13 do not need to have circulation effect, so the blocking of one-level valve element 1 first 13 can be solid head.
As illustrated, when valve element use three-level when, the utility model when in use, by the valve element pin on one-level valve element 1
Hole 8, using bearing pin by it and driving source（Float）It is attached.Make again one-level, two grades, three-level valve element 5 is in by its deadweight
Closed state, even if the circular conical surface of every grade of valve element lower cone type blocking first 13 blocks the stream of the valve cage cover of this corresponding grade
Port valve hole.
After medium fluid is passed through, beginning gradually produces hydrops, and drives float to float, now, be connected with float
Level valve element 1 is pulled up, and first 13 conical surface of blocking of one-level valve element 1 is separated with circulation valve opening, medium fluid is circulated from one-level
Valve opening 10 flows away, and carries out discharge opeing.
With the increasing of fluid flow, one-level circulation valve opening 10 is not enough to carry out discharge opeing completely, makes the more of hydrops generation,
Produced buoyancy will be increased.Until one-level valve element 1 is in fully open state, the snap ring of valve element is against valve cage cover at the same level
Top, then with the floating of float, drive one-step valve to shroud 2 and also float therewith, now, because secondary valve core 3 is to be connected to one
Step valve shrouds 2 bottom, and after one-level core assembly floats completely, secondary valve core 3 also floats therewith, hereafter, secondary valve core 3 it is stifled
The conical surface of chock plug 13 is also separated with secondary flow valve opening 11, and secondary flow valve opening 11 is opened.
Because core assembly increases successively, the diameter of the valve opening 10 that circulated with diameter greater than one-level of secondary flow valve opening 11, two
After level circulation valve opening 11 is opened, rate-of flow directly shrouds multiple lead channel inflow that 4 peripheries are set by secondary valve, and leads to
Crossing secondary flow valve opening 11 directly carries out discharge opeing, and lifting rate is increased.
Hereafter, it is divided into two kinds of situations, when rate-of flow still gradually increases, secondary flow valve opening 11 still cannot meet row
Liquid measure.Similarly, float meeting band logical secondary valve core assembly integrally floats, and further opens the bigger three-level valve cage cover 6 of lifting rate
On three-level circulation valve opening 12.And when lifting rate meets, or rate-of flow reduces, hydrops reduces, and float can be due to buoyancy
Reduction and decline, core assembly also can therewith decline under Gravitative Loads, and re-use the flowing valve that the conical surface blocks this grade
Hole, reduces lifting rate until no longer discharge opeing.
Similarly, the utility model is not limited to the combination of three-level core assembly, under conditions of permission, it is also possible to make two
Level core assembly combination, or core assembly more than three-level cooperation.
Using the utility model simple structure, easily realize, design of the present utility model is ingenious, using core assembly successively
Increase so that the unlatching series of valve element is with liquid inlet volume size real-time regulation, it is ensured that liquid level is controlled within a certain range all the time.Whole
In individual control process, without all additional source of energy such as electronic source, pneumatic source, without Based Intelligent Control device, liquid level itself is only relied on
Potential energy realizes Liquid level automatic drain.The implementation of coaxial-type multiple step plug, has broken float controlled valve to high pressure, big flow
Applicable limitation.
Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle
Within, any modification, equivalent substitution and improvements made etc. should be included within protection domain of the present utility model.
Claims (10)
1. a kind of coaxial-type multistage float valve element, it is characterised in that：Including the multistage core assembly for increasing successively and connecting；It is described
Every grade of core assembly includes the valve element that valve cage cover is flexibly connected with valve cage cover；The valve cage cover bottom is provided with circulation valve opening；Remove
Outside the valve element of one-level core assembly, the valve element upper end of remaining every grade core assembly is fixed on the valve cage cover bottom of upper level core assembly
Portion, and remaining is provided with circulation road and is connected with the circulation valve opening of upper level valve cage cover per step valve in-core, and all valve elements
It is provided with lower end and shrouds the blocking head that circulation valve opening is adapted to this step valve.
2. coaxial-type according to claim 1 multistage float valve element, it is characterised in that：Also include valve seat, valve seat connection
In the valve cage cover bottom of afterbody core assembly, and exit passageway is provided with valve seat.
3. coaxial-type according to claim 2 multistage float valve element, it is characterised in that：The exit passageway outer circumference surface sets
It is equipped with connection screw thread.
4. coaxial-type according to claim 1 multistage float valve element, it is characterised in that：The one-level valve element top is provided with
The valve element pin-and-hole being connected with driving source.
5. coaxial-type according to claim 1 multistage float valve element, it is characterised in that：Every grade of valve element is provided with limit
Position step.
6. coaxial-type according to claim 5 multistage float valve element, it is characterised in that：The limited step is specially card
Ring.
7. coaxial-type according to claim 1 multistage float valve element, it is characterised in that：The valve cage cover periphery is provided with
Multiple lead channel or inlet opening.
8. the multistage float valve element of coaxial-type according to any one of claim 1 or 7, it is characterised in that：The valve cage cover
Top is provided with the pressing plate coordinated with valve element limited step.
9. coaxial-type according to claim 1 multistage float valve element, it is characterised in that：The blocking head is to be arranged on valve element
The circular cone with holes of end.
10. coaxial-type according to claim 9 multistage float valve element, it is characterised in that：The hole for blocking head and valve element
Circulation road is turned on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621251026.4U CN206190932U (en) | 2016-11-22 | 2016-11-22 | Multistage float case of coaxial -type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621251026.4U CN206190932U (en) | 2016-11-22 | 2016-11-22 | Multistage float case of coaxial -type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206190932U true CN206190932U (en) | 2017-05-24 |
Family
ID=58726350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621251026.4U Withdrawn - After Issue CN206190932U (en) | 2016-11-22 | 2016-11-22 | Multistage float case of coaxial -type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206190932U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106321870A (en) * | 2016-11-22 | 2017-01-11 | 四川科宏石油天然气工程有限公司 | Coaxial multi-stage float valve element |
| CN113280120A (en) * | 2021-07-22 | 2021-08-20 | 江苏沃泰冶金设备有限公司 | Dual float valve, drainer, control method, and computer-readable storage medium |
-
2016
- 2016-11-22 CN CN201621251026.4U patent/CN206190932U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106321870A (en) * | 2016-11-22 | 2017-01-11 | 四川科宏石油天然气工程有限公司 | Coaxial multi-stage float valve element |
| CN106321870B (en) * | 2016-11-22 | 2018-06-19 | 四川科宏石油天然气工程有限公司 | A kind of coaxial-type multistage float spool |
| CN113280120A (en) * | 2021-07-22 | 2021-08-20 | 江苏沃泰冶金设备有限公司 | Dual float valve, drainer, control method, and computer-readable storage medium |
| CN113280120B (en) * | 2021-07-22 | 2021-09-28 | 江苏沃泰冶金设备有限公司 | Dual float valve, drainer, control method, and computer-readable storage medium |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170524 Effective date of abandoning: 20180619 |
|
| AV01 | Patent right actively abandoned |