CN207364287U - A kind of streamlined electric flow control valve - Google Patents
A kind of streamlined electric flow control valve Download PDFInfo
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- CN207364287U CN207364287U CN201721164864.2U CN201721164864U CN207364287U CN 207364287 U CN207364287 U CN 207364287U CN 201721164864 U CN201721164864 U CN 201721164864U CN 207364287 U CN207364287 U CN 207364287U
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Abstract
A kind of streamlined electric flow control valve, including valve body and electric driver are the utility model is related to, seal receptacle is equipped with valve body, valve body is divided into and adjusts flow chamber and drive chamber by seal receptacle；Adjusting the outer end of flow chamber to be equipped with inlet flange, outlet flange is equipped with the outer end of drive chamber, adjusting flotator is being installed in flow chamber, flotator connects driving mechanism by connecting connecting rod, and the seal receptacle is equipped with sealing ring close to flotator side；Vertical valve body axis direction is equipped with three-pawl type connecting rod positioning plate in drive chamber, and deflection cone is connected in the end of drive chamber's inside connecting rod；Stroke adjustment groove is in axial direction equipped with deflection cone, wedge-shaped fixed plate is fixedly mounted in regulating tank being formed described in close connecting rod side；Wedge-shaped plate is installed in stroke adjustment groove；The upper end of the wedge shape plate connects valve rod, and stem position is corresponded on valve body and is equipped with valve stem seal seat, valve rod upper end stretches out valve stem seal seat and is connected with electric driver.The utility model has the advantages that simple in structure, easy to install, structural behaviour is good, control accuracy is high, sealing effect is good, and service life is long.
Description
Technical field
The utility model belongs to the aeration control valve technology field of sewage treatment plant, more particularly to a kind of streamlined electronic
Flow control valve.
Background technology
At present, the aerating gas reasonable distribution of sewage treatment plant and accurate control, can realize aeration tank dissolved oxygen concentration difference
Different control, realizes that high-efficiency and economic is stablized, the safe and reliable operation of powerful guarantee biological treatment.It is insufficient when being aerated in aeration tank
When, it is bad to easily cause digestion reaction, on the contrary, when aeration is excessive, the not only waste of energy consumption, can also sludge reflux, cause water quality not
It is up to standard.Only according to sewage load and dissolved oxygen reasonable demand, it is ensured that the aeration quantity of each biological reaction pool, reasonable distribution are accurately controlled
System.The accurate control of aeration distribution can ensure as follows：A. biological treatment effect is optimized；B. process operation state deteriorating is avoided；C. have
Profit ensures effluent quality qualified discharge；D. the operating cost of sewage disposal is reduced., it is necessary to overcome as pushed in conveying aeration process
Power is lost：1. pressure loss in piping, the 2. all kinds of valve pressure losses, the 3. aeration head pressure losses, one link of any of which
Slight change can cause the change of gas flow.
Design for this it is a kind of accurate calculating and Precision Machining are carried out to different opening discharge area, so as to reach linear work
Characteristic, substantially reduces operating cost, zero leakage when valve 100% is closed.
The content of the invention
The utility model provides a kind of simple in structure, side of installing and using to solve technical problem present in known technology
Just, structural behaviour is good, control accuracy is high, sealing effect is good, the streamlined electric flow control valve of service life length.
The utility model is adopted the technical scheme that to solve technical problem present in known technology：
A kind of streamlined electric flow control valve, including valve body and electric driver, it is characterised in that：Set in the valve body
There is seal receptacle, valve body is divided into by the seal receptacle adjusts flow chamber and drive chamber, and the internal diameter for adjusting flow chamber is more than the interior of drive chamber
Footpath；Adjusting the outer end of flow chamber to be equipped with inlet flange, be equipped with outlet flange in the outer end of drive chamber, be provided with adjusting in flow chamber
Flotator, the flotator connect driving mechanism by connecting connecting rod, and flotator is under the drive of driving mechanism along the axis of valve body
Line direction moves horizontally, and the seal receptacle is equipped with sealing ring close to flotator side；Vertical valve body axis direction is set in drive chamber
There is three-pawl type connecting rod positioning plate, deflection cone is connected in the end of drive chamber's inside connecting rod；In axial direction it is equipped with the deflection cone
Stroke adjustment groove, wedge-shaped fixed plate is fixedly mounted being formed described in close connecting rod side in regulating tank；Peace in the stroke adjustment groove
Equipped with wedge-shaped plate, the lozenges of the wedge shape plate is bonded with the lozenges of wedge-shaped fixed plate；The upper end of the wedge shape plate
Portion connects valve rod, the axis direction of the vertical valve body of the valve rod, and corresponding to stem position on the valve body is equipped with valve stem seal seat, institute
The upper end stretching valve stem seal seat for stating valve rod is connected with electric driver.
The utility model can also use following technical measures：
It is to wait gauge structure from spherical structure to inlet flange close to adjusting flow chamber inner wall to be spherical structure described in seal receptacle side.
The drive chamber is pyramidal structure, and the outlet of drive chamber is identical with adjusting the inlet inside diameter of flow chamber.
The utility model has the advantages and positive effects of：The utility model utilizes aerodynamic optimization design and precision
Manufacturing process, equipped with center control shaft and executing agency, can flexibly control air mass flow, be opened along air-flow axial direction control valve
Degree, air-flow along tube wall direction PARALLEL FLOW, do not produce disorder all the time, it is only necessary to very little driving torque, therefore can use compared with
Small executing agency.Under normal conditions, valve can be directly installed on pipeline, without the extra reducing and expansion footpath of progress.Streamline is adjusted
The characteristic working curve of valve is almost linear in whole stroke range, based on the high-precision control characteristic of valve and component
Precise machining process, it can be achieved that up to 0.15% adjusting stepping accuracy, valve can work under the conditions of the pressure loss is extremely low, from
And greatly reduce operating cost；Valve 100% has the characteristics that zero leakage when closing.
Brief description of the drawings
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is A-A sectional views in Fig. 1；
Fig. 3 is B-B sectional views in Fig. 1.
In figure：1st, valve body；1-10, adjust flow chamber；1-11, inlet flange；1-12, outlet flange；1-13, valve stem seal seat；
1-20, drive chamber；2nd, electric driver；3rd, seal receptacle；3-1, sealing ring；4th, flotator；5th, driving mechanism；5-1, deflection cone；
5-10, stroke adjustment groove；5-2, wedge-shaped fixed plate；5-3, wedge-shaped plate；5-4, valve rod；6th, three-pawl type connecting rod positioning plate；7th, even
Bar.
Embodiment
For that can further appreciate that the invention, features and effects of the utility model, the following examples are hereby given, and coordinates
Attached drawing describes in detail as follows：
Please refer to Fig.1 to Fig.3, a kind of streamlined electric flow control valve, including valve body 1 and electric driver 2, the valve
Seal receptacle 3 is equipped with vivo, and valve body is divided into by the seal receptacle adjusts flow chamber 1-10 and drive chamber 1-20, the internal diameter for adjusting flow chamber
More than the internal diameter of drive chamber；Adjusting the outer end of flow chamber to be equipped with inlet flange 1-11, outlet method is equipped with the outer end of drive chamber
Blue 1-21, is provided with flotator 4, the flotator connects driving mechanism 5 by connecting connecting rod 7, and flotator exists adjusting in flow chamber
Moved horizontally under the drive of driving mechanism along the axis direction of valve body, the seal receptacle 3 is equipped with sealing ring 3- close to flotator side
1；Vertical valve body axis direction is equipped with three-pawl type connecting rod positioning plate 6 in drive chamber, and in the end of drive chamber's inside connecting rod, connection is led
Flow cone 5-1；Stroke adjustment groove 5-10 is in axial direction equipped with the deflection cone, is formed close to described in connecting rod side in regulating tank
Wedge-shaped fixed plate 5-2 is fixedly mounted；Wedge-shaped plate 5-3, the lozenges of the wedge shape plate are installed in the stroke adjustment groove
It is bonded with the lozenges of wedge-shaped fixed plate；The upper end connection valve rod 5-4 of the wedge shape plate, the axis of the vertical valve body of the valve rod
Line direction, stem position is corresponded on the valve body and is equipped with valve stem seal seat 1-13, valve stem seal is stretched out in the upper end of the valve rod
Seat is connected with electric driver 2, and valve rod moves vertically under the drive of electric driver along above and below vertical valve body axis direction, into
And wedge-shaped plate and the relative movement of wedge-shaped fixed plate are driven, finally realize the adjusting of flotator aperture.
The utility model can also use following technical measures：
Preferably, it is spherical structure close to flow chamber inner wall is adjusted described in seal receptacle side, be from spherical structure to inlet flange etc.
Gauge structure.
Preferably, the drive chamber is pyramidal structure, and the outlet of drive chamber is identical with adjusting the inlet inside diameter of flow chamber.
The utility model equipped with center control shaft and performs machine using aerodynamic optimization design and precision manufactureing technique
Structure, can flexibly control air mass flow, along air-flow axial direction controlling opening of valve, air-flow all the time along tube wall direction PARALLEL FLOW,
Do not produce disorder, it is only necessary to very little driving torque, therefore smaller executing agency can be used.Under normal conditions, can be by valve
It is directly installed on pipeline, without the extra reducing and expansion footpath of progress.The characteristic working curve of streamline regulating valve is in whole stroke range
Almost linear, the precise machining process based on the high-precision control characteristic of valve and component is, it can be achieved that up to 0.15%
Stepping accuracy is adjusted, valve can work under the conditions of the pressure loss is extremely low, so as to greatly reduce operating cost；Valve 100%
There is zero leakage during closing.
Convey in aeration process, it is necessary to overcome the following pressure loss：1. pressure loss in piping, the 2. accurate controls of aeration distribution
System, the aeration flow of each aeration tank of meeting continuous control, by examining, any interference can be found in time, can be made rapidly
Response, ensures reasonable distribution and the supply of aerating gas.Such as dissolved oxygen value is relatively low, corresponding aeration quantity supplies relatively low, meeting
Check and in time, the stability of process operation is effectively ensured in adjustment in time, avoids technical process from interrupting, without stopping
Only operation and maintenance.
The above is only the preferred embodiment to the utility model, and not the utility model is made in any form
Limitation, it is every according to the technical essence of the utility model to any simple modification made for any of the above embodiments, equivalent variations with
Modification, belongs in the range of technical solutions of the utility model.
Claims (3)
1. a kind of streamlined electric flow control valve, including valve body and electric driver, it is characterised in that：It is equipped with the valve body
Seal receptacle, valve body is divided into by the seal receptacle adjusts flow chamber and drive chamber, and the internal diameter for adjusting flow chamber is more than the internal diameter of drive chamber；
Adjusting the outer end of flow chamber to be equipped with inlet flange, outlet flange is equipped with the outer end of drive chamber, be provided with tune flow chamber floating
Dynamic device, the flotator connect driving mechanism by connecting connecting rod, and flotator is under the drive of driving mechanism along the axis of valve body
Direction moves horizontally, and the seal receptacle is equipped with sealing ring close to flotator side；Vertical valve body axis direction is equipped with drive chamber
Three-pawl type connecting rod positioning plate, deflection cone is connected in the end of drive chamber's inside connecting rod；Row is in axial direction equipped with the deflection cone
Journey regulating tank, is being fixedly mounted wedge-shaped fixed plate in stroke adjustment groove described in connecting rod side；Installation in the stroke adjustment groove
There is wedge-shaped plate, the lozenges of the wedge shape plate is bonded with the lozenges of wedge-shaped fixed plate；The upper end of the wedge shape plate
Connect valve rod, the axis direction of the vertical valve body of the valve rod, corresponds to stem position on the valve body and be equipped with valve stem seal seat, described
The upper end of valve rod stretches out valve stem seal seat and is connected with electric driver.
2. streamlined electric flow control valve according to claim 1, it is characterised in that：Flowed close to being adjusted described in seal receptacle side
Chamber interior walls are spherical structure, are to wait gauge structure from spherical structure to inlet flange.
3. streamlined electric flow control valve according to claim 1, it is characterised in that：The drive chamber is taper knot
Structure, the outlet of drive chamber are identical with adjusting the inlet inside diameter of flow chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721164864.2U CN207364287U (en) | 2017-09-12 | 2017-09-12 | A kind of streamlined electric flow control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721164864.2U CN207364287U (en) | 2017-09-12 | 2017-09-12 | A kind of streamlined electric flow control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207364287U true CN207364287U (en) | 2018-05-15 |
Family
ID=62352406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721164864.2U Active CN207364287U (en) | 2017-09-12 | 2017-09-12 | A kind of streamlined electric flow control valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207364287U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113251151A (en) * | 2021-06-15 | 2021-08-13 | 黄建斌 | Ball valve |
-
2017
- 2017-09-12 CN CN201721164864.2U patent/CN207364287U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113251151A (en) * | 2021-06-15 | 2021-08-13 | 黄建斌 | Ball valve |
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