CN207245754U - The rotational flow silo of small flow water inlet pipe is set - Google Patents
The rotational flow silo of small flow water inlet pipe is set Download PDFInfo
- Publication number
- CN207245754U CN207245754U CN201721346286.4U CN201721346286U CN207245754U CN 207245754 U CN207245754 U CN 207245754U CN 201721346286 U CN201721346286 U CN 201721346286U CN 207245754 U CN207245754 U CN 207245754U
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- flow
- water inlet
- shaft
- inlet pipe
- silo
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Abstract
The utility model discloses a kind of rotational flow silo for setting small flow water inlet pipe, including：Enter flow through shaft body, including enter flow through shaft epimere, enter flow through shaft stage casing and enter flow through shaft hypomere；Stilling basin, its with it is described enter flow through shaft hypomere connect；The stilling basin top vertical connects an exhaust pipe upwards；Small flow intake chamber, its be arranged in it is described enter flow through shaft stage casing tilting section.In the utility model, in the case of inbound traffics are less, the intake chamber that water flows therethrough into flow through shaft stage casing is discharged into the stilling basin of rotational flow silo lower part by water inlet pipe after the sinker energy dissipating of bottom, current are avoided directly to fall, the water impact intensity that reduction lower part borehole wall cavitation and cavitation erosion risk and silo bottom are subject to, is conducive to the stabilization of shaft structure.
Description
Technical field
It the utility model is related to rotational flow silo field, more particularly to a kind of small flow water inlet pipe of setting
Rotational flow silo.
Background technology
City deep layer tunnel drainage system is since buried depth is larger, and the big depth vertical shaft form of generally use becomes a mandarin, at the same time
Play the role of becoming a mandarin, energy dissipating and exhaust.Vertical shaft fluidised form and hydraulic characteristic(s) have significant impact to the safe and stable operation of system.
Existing deep layer tunnel system enter flow through shaft have directly fall, the form such as eddy flow and folded plate.Direct drop type vertical shaft is falling depth
When spending larger, flow rate of water flow is excessive, is also easy to produce cavitation and cavitation erosion phenomenon, is usually not suitable for adopting in big depth deep layer tunnel system
With；Folded plate type vertical shaft is preferable to the letdown flow adaptability of current, and effect of energy dissipation is more excellent, but the exhaust passage of folded plate type vertical shaft
Arrange that size is usually larger, be unfavorable for making full use of the space structure into flow through shaft；Current in rotational flow silo are in centrifugal force
Under effect, along the spiral decline of the borehole wall, fall into the water subfill of lower section, influenced by borehole wall high-speed rotational, the anti-cavitation performance of vertical shaft is big
Width improves, and takes up an area few, technology relative maturity, and application is relatively broad.The form of cyclonic flotation column is more, and Main Differences are it
The form that vertical shaft enters head piece is different with the form of related facility inside vertical shaft, and most commonly seen is vortexed into head piece vertical shaft and tangent line
Formula vertical shaft, the physique that head piece is mainly entered by vertical shaft form water conservancy diversion to current, make to enter the current in vertical shaft and are formed along perpendicular
The eddy flow form that well spiral inner wall declines, to realize the target of eddy flow energy dissipating.Due to the main basis of the shape parameter of rotational flow silo
Design discharge determines, designs big flow operating mode, can obtain the preferable effect that becomes a mandarin.But in the case of inbound traffics are less, erect
Well inner wall cannot form stable eddy flow, and current directly fall, and when drop depth is larger, water velocity is excessive, and the lower part borehole wall is easy
Produce cavitation and cavitation erosion phenomenon；Shallower plus the silo bottom depth of water at this time, the water impact intensity that silo bottom is subject to is larger, unfavorable
Stablize in base arrangement.
Utility model content
One purpose of the utility model is to solve at least the above, and provides the advantages of at least will be described later.
The utility model also has a purpose to be to provide a kind of rotational flow silo for setting small flow water inlet pipe, including：
Enter flow through shaft body, including it is horizontally disposed enter flow through shaft epimere, set diagonally downward enter flow through shaft stage casing with
And what is be vertically arranged enters flow through shaft hypomere；
Stilling basin, its with it is described enter flow through shaft hypomere connect；The stilling basin top vertical connects an exhaust pipe upwards；
Small flow intake chamber, its be arranged in it is described enter flow through shaft stage casing tilting section, the upper end of the small flow intake chamber
Face paste together in it is described enter flow through shaft stage casing inclined plane lower surface；The bottom of the small flow intake chamber passes through a water inlet pipe and institute
Stilling basin connection is stated, one end that the water inlet pipe stretches into the stilling basin connects a sinker；Wherein, the small flow intake chamber
Top be laid with a strainer.
Preferably, the rotational flow silo of the small flow water inlet pipe of setting, the small flow intake chamber specifically include：
Water inlet groove body, it is up big and down small interior hollow round table shape structure；The upper surface of the water inlet groove body is in incline
Tiltedly set, fit in it is described enter flow through shaft stage casing inclined plane lower surface；
Multiple drainage troughs, it is disposed on the inner surface of the water inlet groove body；The drainage trough is by the water inlet
The inner surface of groove body is recessed to be formed downwards, and the drainage slot cross-section is in arc-shaped；
Drainage plate, it is one section big one section of small sector structure, which, which is respectively perpendicular, connects up
One riser；Described less one end of drainage plate one end higher with the water inlet groove body upper surface is connected, by current from upper
End is drained to the water inlet groove body.
Preferably, the rotational flow silo of the described small flow water inlet pipe of setting, is arranged at intervals multiple circles on the drainage plate
The strip of arcuation is raised.
Preferably, the rotational flow silo of the small flow water inlet pipe of setting, the small flow water inlet rooved face coating are anti-
Etching ground layer.
Preferably, the rotational flow silo of the small flow water inlet pipe of setting, the screen surface coat anticorrosive coating
Layer.
The utility model includes at least following beneficial effect：In the case of inbound traffics are less, water is flowed therethrough into flow through shaft
The intake chamber of section is discharged into the stilling basin of rotational flow silo lower part by water inlet pipe after the sinker energy dissipating of bottom；Intake in rotational flow silo
After canal stage casing sets water inlet pipe, it is possible to increase rotational flow silo cannot form surely the accommodation of flow in small flow vertical shaft inner wall
Under fixed Swirl Condition, avoid current from directly falling, reduce the current that lower part borehole wall cavitation and cavitation erosion risk and silo bottom are subject to
Impact strength, is conducive to the stabilization of shaft structure.
The further advantage, target and feature of the utility model embody part by following explanation, and part will also pass through
Research and practice to the utility model and be understood by the person skilled in the art.
Brief description of the drawings
Fig. 1 is the structure diagram of the rotational flow silo of the utility model；
Fig. 2 is the structure diagram of the small flow intake chamber of the utility model.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings, to make those skilled in the art with reference to explanation
Book word can be implemented according to this.
It should be appreciated that such as " having ", "comprising" and " comprising " term used herein do not allot one or more
The presence or addition of a other elements or its combination.
In the description of the utility model, term " transverse direction ", " longitudinal direction ", " on ", " under ", "front", "rear", "left", "right",
The orientation or position relationship of the instruction such as " vertical ", " level ", " top ", " bottom ", " interior ", " outer " be based on orientation shown in the drawings or
Position relationship, is for only for ease of description the utility model and simplifies description, is not instruction or implies signified device or member
Part must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that limitation to the utility model.
As shown in Figure 1, the utility model provides a kind of rotational flow silo for setting small flow water inlet pipe, including：
Enter flow through shaft body, including it is horizontally disposed enter flow through shaft epimere 110, set diagonally downward enter flow through shaft stage casing
120 and what is be vertically arranged enter flow through shaft hypomere 130；
Stilling basin 2, its with it is described enter 130 bottom of flow through shaft hypomere connect；2 top vertical of stilling basin connection one upwards
Exhaust pipe 3；
Small flow intake chamber 4, its be arranged in it is described enter flow through shaft stage casing 120 tilting section, the small flow intake chamber
Upper surface fit in it is described enter 120 inclined plane of flow through shaft stage casing lower surface；The bottom of the small flow intake chamber 4 by one into
Water pipe 5 is connected with the stilling basin 2, and one end that the water inlet pipe 5 stretches into the stilling basin 2 connects a sinker 6；Wherein, institute
The top for stating small flow intake chamber 4 is laid with a strainer.
In another embodiment, as shown in Fig. 2, the rotational flow silo of the small flow water inlet pipe of setting, the small stream
Amount intake chamber 4 specifically includes：
Water inlet groove body 410, it is up big and down small interior hollow round table shape structure；The upper end of the water inlet groove body 410
Face is inclined to set, fit in it is described enter 120 inclined plane of flow through shaft stage casing lower surface；
Multiple drainage troughs 420, it is disposed on the inner surface of the water inlet groove body 410；The drainage trough 420 by
The inner surface of the water inlet groove body 410 is recessed to be formed downwards, and 420 section of drainage trough is in arc-shaped；
Drainage plate 430, it is one section big one section of small sector structure, which is respectively perpendicular connects upwards
Connect a riser 440；Described 430 less one end of drainage plate one end higher with 410 upper surface of the water inlet groove body is connected,
Current are drained to the water inlet groove body 410 from upper end.
In the embodiment, when current are smaller, drainage plate 430 can play current guiding function, and two first
A riser 440 can be stopped current, and be guided to drainage plate 430, there is provided drainage effect；And drainage trough 420 can
To play elicitation effect to current, make to flow along drainage trough in its downflow processes, ensure the concentration of current；
In another embodiment, the rotational flow silo of the described small flow water inlet pipe of setting, is spaced on the drainage plate and sets
It is raised to put the strip of multiple arc-shapeds, makes to flow along drainage trough in water downflow processes, ensures the concentration of current.
In another embodiment, the rotational flow silo of the small flow water inlet pipe of setting, the small flow intake chamber table
Face coats anti-corrosive coating layer, and the screen surface coats anti-corrosive coating layer, improves the service life of intake chamber.
Small flow intake chamber 4 is set in rotational flow silo inlet channel stage casing, and top sets strainer to consolidate with larger in water of blocking
The prevention of body waste blocks pipeline, and intake chamber bottom taps into water pipe 5, and water inlet pipe 5 is accessed in the stilling basin of rotational flow silo lower part, water inlet pipe
Bottom sets multi-port submerged jets sinker.In the case of inbound traffics are less, water flows therethrough into the water inlet in flow through shaft stage casing 120
Groove is discharged into the stilling basin 2 of rotational flow silo lower part by water inlet pipe 5 after the energy-dissipating installation energy dissipating of bottom.Inbound traffics have exceeded eddy flow amount
Afterwards, water velocity increases, and stable eddy flow is formed in vertical shaft inner wall, while can be by stainless steel grid at the top of small flow intake chamber
The solid waste blocked washes away.After in rotational flow silo stage casing, water inlet pipe is set, it is possible to increase rotational flow silo to the accommodation of flow,
In the case where small flow vertical shaft inner wall cannot form stable Swirl Condition, avoid current from directly falling, it is empty to reduce lower part borehole wall cavitation
The water impact intensity that erosion risk and silo bottom are subject to, is conducive to the stabilization of shaft structure.The size of small flowtube is according to perpendicular
The eddy flow amount that rises of well is selected, and is verified and is optimized as necessary by development model test.
Although the embodiment of the utility model is disclosed as above, it is not restricted in specification and embodiment
Listed utilization, it can be applied to the field of various suitable the utility model completely, for those skilled in the art,
Other modification is easily achieved, therefore under the universal limited without departing substantially from claim and equivalency range, this reality
Specific details is not limited to new and shown here as the legend with description.
Claims (5)
- A kind of 1. rotational flow silo that small flow water inlet pipe is set, it is characterised in that including：Enter flow through shaft body, including it is horizontally disposed enter flow through shaft epimere, set diagonally downward enter flow through shaft stage casing and perpendicular What is directly set enters flow through shaft hypomere；Stilling basin, its with it is described enter flow through shaft hypomere connect；The stilling basin top vertical connects an exhaust pipe upwards；Small flow intake chamber, its be arranged in it is described enter flow through shaft stage casing tilting section, the upper end face paste of the small flow intake chamber Together in it is described enter flow through shaft stage casing inclined plane lower surface；The bottom of the small flow intake chamber by a water inlet pipe with it is described quiet Pond connects, and one end that the water inlet pipe stretches into the stilling basin connects a sinker；Wherein, the top of the small flow intake chamber Portion is laid with a strainer.
- 2. the rotational flow silo of small flow water inlet pipe is set as claimed in claim 1, it is characterised in that the small flow intake chamber Specifically include：Water inlet groove body, it is up big and down small interior hollow round table shape structure；The upper surface of the water inlet groove body is inclined to be set Put, fit in it is described enter flow through shaft stage casing inclined plane lower surface；Multiple drainage troughs, it is disposed on the inner surface of the water inlet groove body；The drainage trough is by the intake chamber master The inner surface of body is recessed to be formed downwards, and the drainage slot cross-section is in arc-shaped；Drainage plate, it is one section big one section of small sector structure, which, which is respectively perpendicular, connects up one Riser；Described less one end of drainage plate one end higher with the water inlet groove body upper surface is connected, and current are drawn from upper end It flow to the water inlet groove body.
- 3. the rotational flow silo of small flow water inlet pipe is set as claimed in claim 2, it is characterised in that be spaced on the drainage plate Set the strip of multiple arc-shapeds raised.
- 4. the rotational flow silo of small flow water inlet pipe is set as claimed in claim 1, it is characterised in that the small flow intake chamber Surface coats anti-corrosive coating layer.
- 5. the rotational flow silo of small flow water inlet pipe is set as claimed in claim 1, it is characterised in that the screen surface coating Anti-corrosive coating layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721346286.4U CN207245754U (en) | 2017-10-16 | 2017-10-16 | The rotational flow silo of small flow water inlet pipe is set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721346286.4U CN207245754U (en) | 2017-10-16 | 2017-10-16 | The rotational flow silo of small flow water inlet pipe is set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207245754U true CN207245754U (en) | 2018-04-17 |
Family
ID=61882766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721346286.4U Expired - Fee Related CN207245754U (en) | 2017-10-16 | 2017-10-16 | The rotational flow silo of small flow water inlet pipe is set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207245754U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113431164A (en) * | 2021-07-01 | 2021-09-24 | 四川大学 | Flow state self-adaptive vertical face connection flow guide structure for conversion of drop flow vertical shaft and rotational flow vertical shaft |
-
2017
- 2017-10-16 CN CN201721346286.4U patent/CN207245754U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113431164A (en) * | 2021-07-01 | 2021-09-24 | 四川大学 | Flow state self-adaptive vertical face connection flow guide structure for conversion of drop flow vertical shaft and rotational flow vertical shaft |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180417 Termination date: 20181016 |
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| CF01 | Termination of patent right due to non-payment of annual fee |