CN207944435U - High intensity draft tube of hydropower station - Google Patents
High intensity draft tube of hydropower station Download PDFInfo
- Publication number
- CN207944435U CN207944435U CN201721802511.0U CN201721802511U CN207944435U CN 207944435 U CN207944435 U CN 207944435U CN 201721802511 U CN201721802511 U CN 201721802511U CN 207944435 U CN207944435 U CN 207944435U
- Authority
- CN
- China
- Prior art keywords
- taper pipe
- draft tube
- high intensity
- hydropower station
- lower taper
- 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
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Landscapes
- Sink And Installation For Waste Water (AREA)
Abstract
The utility model provides high intensity draft tube of hydropower station, belong to water generating apparatus field, including lower Taper Pipe and upper Taper Pipe, the barretter being interference fitted with the two is equipped between upper Taper Pipe and lower Taper Pipe, barretter is circular ring shape and middle part is equipped with flow distribution plate, flow distribution plate is that triangle is fan-shaped, flow distribution plate is equipped with multiple tap holes, tap hole is taper and is less than the diameter close to upper Taper Pipe one end close to the diameter of lower Taper Pipe one end, the outside of lower Taper Pipe is equipped with multiple ring stiffeners disposed in parallel, the outside of lower Taper Pipe is additionally provided with multiple vertical reinforcing ribs perpendicular to ring stiffener, lower Taper Pipe is internally provided with multiple longitudinal and inwardly projecting guiding rib.Multiple reinforcement structures are arranged in the utility model, and intensity is high, and can internal flow are oriented to and be shunted, and keep pressure constant, promote intensity.
Description
Technical field
The utility model belongs to water generating apparatus field, is related to high intensity draft tube of hydropower station.
Background technology
Water generating part is varied, and the application environment of water generating part is more various, needs to soak for a long time
Water uses, and especially high, important one of the part of tail water tubular type hydroelectric generation, draft tube conduct are required to the Corrosion Protection of part
Device for transferring is chronically at high pressure conditions, to ensure the smooth discharge of water flow inside, when especially topography is more complicated, and paving
If draft tube it is longer, pressure-bearing is big, and the pressure-bearing time is long, in order to ensure the normal work of draft tube, need ensure draft tube
With higher length, service life is promoted, the promotion of current common draft tube intensity is to change the section of different linkage sections
Size realizes the reduction of pressure, but this mode during practical application or is difficult to meet long-term high pressure conditions, intensity
Still it cannot be satisfied the demand of practical application.
Utility model content
Problem to be solved in the utility model is to be to provide high intensity draft tube of hydropower station, and reinforcing group is added in inside
Part, while the connecting tube of gradual change is set in each linkage section, it ensure that the constant of pressure, greatly improve the intensity of draft tube.
In order to solve the above technical problems, the technical solution adopted in the utility model is：High intensity draft tube of hydropower station, including
Lower Taper Pipe and upper Taper Pipe, are equipped with the barretter being interference fitted with the two between the upper Taper Pipe and lower Taper Pipe, the barretter is
Circular ring shape and middle part are equipped with flow distribution plate, and the flow distribution plate is that triangle is fan-shaped, and the flow distribution plate is equipped with multiple tap holes, described point
Diameter of the discharge orifice for taper and close to described lower Taper Pipe one end is less than the diameter close to described upper Taper Pipe one end, the lower Taper Pipe
Outside is equipped with multiple ring stiffeners disposed in parallel, and the outside of the lower Taper Pipe is additionally provided with multiple to be reinforced perpendicular to the annular
The vertical reinforcing rib of muscle, the lower Taper Pipe are internally provided with multiple longitudinal and inwardly projecting guiding rib.
Further, the lower Taper Pipe is tubaeform, and the upper Taper Pipe is inverted tubaeform.
Further, the guiding rib is surrounded by transition arc.
Further, the barretter is equipped with card slot, and the card slot is correspondingly arranged with the guiding rib and the two interference
Cooperation.
Further, the structure of the upper Taper Pipe is identical as the structure of lower Taper Pipe, the upper Taper Pipe lower face it is straight
Diameter is more than the diameter of the upper Taper Pipe upper end.
Further, the middle part of the barretter is equipped with via.
Further, the inside of the lower Taper Pipe, upper Taper Pipe and barretter is equipped with corrosion-resistant coating.
Further, the area of section in the middle part of the guiding rib is less than the area of section at both ends.
Compared with prior art, the utility model has the advantages and positive effects of：1, the lower cone of the utility model setting
Multiple ring stiffeners and vertical reinforcing rib is arranged in the outer ring of pipe, upper Taper Pipe and barretter, lower Taper Pipe, greatly improves lower Taper Pipe
Intensity, extend service life, while barretter is set, multiple tap holes are set on barretter, internal water is flowed into
Row is oriented to and shunting so that internal pressure is constant, is conducive to the timely discharge of water flow inside, and discharge effect is good；2, lower Taper Pipe
Using tubaeform, during conveying, outlet is gradually reduced, and using the physical effect of flow, the pressure at the place that increases export carries
Drainage effect is risen, after Accelerating Removal, upper Taper Pipe expands flow to reducing flow and rushed to upper Taper Pipe using caused tubaeform
Hit power；3, the cooperation of card slot and guiding rib is set, can play the role of being oriented to installation in an assembling process, promote packaging efficiency,
And it using interference fit, firmly installs, larger water flow impact pressure can be born；4, the area of section in the middle part of guiding rib is less than two
The area of section at end, both ends can bear greatly larger impact force, and first to effective shunting of water flow inside, middle part is more small in ends,
It can play the role of buffering, larger sectional area is arranged in exit again, is equal to and reduces water flow section product, promotes water flow pressure.
Description of the drawings
The attached drawing for constituting the part of the utility model is used to provide a further understanding of the present invention, this practicality is new
The illustrative embodiments and their description of type are not constituted improper limits to the present invention for explaining the utility model.
In attached drawing：
Fig. 1 is the structural schematic diagram of the utility model high intensity draft tube of hydropower station；
Fig. 2 is the longitudinal sectional view of the utility model high intensity draft tube of hydropower station；
Fig. 3 is the vertical view of the utility model high intensity draft tube of hydropower station.
Reference numeral：
Taper Pipe under 1-；11- ring stiffeners；The vertical reinforcing ribs of 12-；13- guiding ribs；131- transition arcs；2- barretters；
21- card slots；22- flow distribution plates；23- tap holes；24- vias；The upper Taper Pipes of 3-.
Specific implementation mode
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.
In the description of the present invention, it should be understood that term "center", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore cannot understand
For limitations of the present invention.In addition, term " first ", " second " etc. are used for description purposes only, and should not be understood as indicating
Or it implies relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " second " etc. are defined as a result,
Feature can explicitly or implicitly include one or more this feature.It is in the description of the present invention, unless another
It is described, the meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, can also be electrical connection；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition
State the concrete meaning of term in the present invention.
It elaborates below in conjunction with the accompanying drawings to specific embodiment of the utility model.
As shown in Figure 1, Figure 2 and Figure 3, the utility model is high intensity draft tube of hydropower station, including lower Taper Pipe 1 and upper Taper Pipe
3, the barretter 2 being interference fitted with the two is equipped between upper Taper Pipe 3 and lower Taper Pipe 1, barretter 2 is circular ring shape and middle part is equipped with and divides
Flowing plate 22, flow distribution plate 22 are that triangle is fan-shaped, and flow distribution plate 22 is equipped with multiple tap holes 23, and tap hole 23 is taper and close lower cone
The diameter of 1 one end of pipe is less than the diameter close to 3 one end of upper Taper Pipe, and the outside of lower Taper Pipe 1 is equipped with multiple annulars disposed in parallel and adds
The outside of strengthening tendons 11, lower Taper Pipe 1 is additionally provided with multiple vertical reinforcing ribs 12 perpendicular to ring stiffener 11, the inside of lower Taper Pipe 1
Equipped with multiple longitudinal and inwardly projecting guiding rib 13.
Preferably, lower Taper Pipe 1 is tubaeform, and upper Taper Pipe 3 is inverted tubaeform, and the lower use of Taper Pipe 1 is tubaeform, is conveying
During, outlet is gradually reduced, and using the physical effect of flow, the pressure at the place that increases export promotes drainage effect, accelerates row
After going out, the use of upper Taper Pipe 3 is caused tubaeform, expands flow to impact force of the reduction flow to upper Taper Pipe 3.
Preferably, guiding rib 13 is surrounded by transition arc 131, reduces impact of the flow to guiding rib 13.
Preferably, barretter 2 is equipped with card slot 21, and card slot 21 is correspondingly arranged with guiding rib 13 and the two is interference fitted, if
The cooperation of card slot 21 and guiding rib 13 is set, can play the role of being oriented to installation in an assembling process, promote packaging efficiency, and adopt
It with interference fit, firmly installs, larger water flow impact pressure can be born.
Preferably, the structure of upper Taper Pipe 3 is identical as the structure of lower Taper Pipe 1, and the diameter of 3 lower face of upper Taper Pipe is more than upper Taper Pipe
The diameter of 3 upper ends, structure is identical, simplifies design, and be conducive to blanking, reduces manufacturing cost.
Preferably, the middle part of barretter 2 is equipped with via 24, stability of the sign flow in internal circulation.
Preferably, the inside of lower Taper Pipe 1, upper Taper Pipe 3 and barretter 2 is equipped with corrosion-resistant coating, prolongs the service life, and is promoted resistance to
Corrosivity ensures the strength and stability of structure.
Preferably, the area of section at 13 middle part of guiding rib is less than the area of section at both ends, and both ends can bear greatly larger rush
Power is hit, first to effective shunting of water flow inside, middle part is more small in ends, can play the role of buffering, and exit is arranged larger again
Sectional area, be equal to reduce water flow section product, promoted water flow pressure.
In actual application process, flow enters upper Taper Pipe 3 from lower Taper Pipe 1 by barretter 2, is then discharged out,
During flowing through, guiding rib 13 can play the role of guiding, while flow distribution plate 22 in barretter 2 and tap hole 23 can play
The effect for leading further to and shunting, and lower Taper Pipe 1 can play the role of supercharging, promote drainage effect, on Taper Pipe 1 at present
Multiple ring stiffeners 11 and vertical reinforcing rib 12 are set, the intensity of lower Taper Pipe 1 is improved, stability is good.
One embodiment of the utility model is described in detail above, but the content is only the utility model
Preferred embodiment should not be considered as limiting the scope of the present invention.It is all to be made according to application scope of the utility model
All the changes and improvements etc., should all still belong within the patent covering scope of the utility model.
Claims (8)
1. high intensity draft tube of hydropower station, it is characterised in that：Including lower Taper Pipe and upper Taper Pipe, between the upper Taper Pipe and lower Taper Pipe
Equipped with the barretter being interference fitted with the two, the barretter is circular ring shape and middle part is equipped with flow distribution plate, and the flow distribution plate is three
Angle is fan-shaped, and the flow distribution plate is equipped with multiple tap holes, and the tap hole is taper and the diameter close to described lower Taper Pipe one end
Less than the diameter close to described upper Taper Pipe one end, the outside of the lower Taper Pipe is equipped with multiple ring stiffeners disposed in parallel, institute
The outside for stating lower Taper Pipe is additionally provided with multiple vertical reinforcing ribs perpendicular to the ring stiffener, and the lower Taper Pipe is internally provided with
Multiple longitudinal and inwardly projecting guiding rib.
2. high intensity draft tube of hydropower station according to claim 1, it is characterised in that：The lower Taper Pipe is tubaeform, institute
It is inverted tubaeform to state Taper Pipe.
3. high intensity draft tube of hydropower station according to claim 1, it is characterised in that：The guiding rib was surrounded by
Cross circular arc.
4. high intensity draft tube of hydropower station according to claim 1, it is characterised in that：The barretter is equipped with card slot,
The card slot is correspondingly arranged with the guiding rib and the two is interference fitted.
5. high intensity draft tube of hydropower station according to claim 1, it is characterised in that：The structure of the upper Taper Pipe with it is described
The structure of lower Taper Pipe is identical, and the diameter of the upper Taper Pipe lower face is more than the diameter of the upper Taper Pipe upper end.
6. high intensity draft tube of hydropower station according to claim 1, it is characterised in that：The middle part of the barretter was equipped with
Hole.
7. high intensity draft tube of hydropower station according to claim 1, it is characterised in that：The lower Taper Pipe, upper Taper Pipe and steady
The inside of flow tube is equipped with corrosion-resistant coating.
8. high intensity draft tube of hydropower station according to claim 1, it is characterised in that：Section face in the middle part of the guiding rib
Area of section of the product less than both ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721802511.0U CN207944435U (en) | 2017-12-21 | 2017-12-21 | High intensity draft tube of hydropower station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721802511.0U CN207944435U (en) | 2017-12-21 | 2017-12-21 | High intensity draft tube of hydropower station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207944435U true CN207944435U (en) | 2018-10-09 |
Family
ID=63704507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721802511.0U Expired - Fee Related CN207944435U (en) | 2017-12-21 | 2017-12-21 | High intensity draft tube of hydropower station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207944435U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108050004A (en) * | 2017-12-21 | 2018-05-18 | 天津市凯达重型水电设备制造有限公司 | Constant pressure type power station tail pipe |
-
2017
- 2017-12-21 CN CN201721802511.0U patent/CN207944435U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108050004A (en) * | 2017-12-21 | 2018-05-18 | 天津市凯达重型水电设备制造有限公司 | Constant pressure type power station tail pipe |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108050004A (en) | Constant pressure type power station tail pipe | |
| CN107634241A (en) | Liquid flow frame for flow battery | |
| CN207944435U (en) | High intensity draft tube of hydropower station | |
| CN103669336A (en) | Geothermal air conditioner preformed pile | |
| CN107725281B (en) | It puts more energy into a kind of fragment assembled T-steel wind energy conversion system steel cylinder tower section | |
| CN206233105U (en) | A kind of anti-high wind flow-guiding type hanging basket formwork of large overhanging beam construction | |
| CN205677342U (en) | A kind of cross-arm on electric pole | |
| CN208934704U (en) | A kind of tunnel health trolley nozzle arrangements | |
| CN102650361B (en) | Flat-bottom equal-section steel bifurcated pipe | |
| CN212615137U (en) | Water outlet base structure of water turbine | |
| CN201574612U (en) | Pole for transmission tower | |
| CN204438887U (en) | A kind of bamboo water collection device | |
| CN201661107U (en) | Tower variable cross-section combined joint | |
| CN201574613U (en) | Pole for transmission tower | |
| CN207109722U (en) | A kind of pumping plant water outlet is confluxed cell structure | |
| CN210396322U (en) | Multi-section tower | |
| CN209557864U (en) | A kind of sulfuric acid delivery pipe with row pressure structure | |
| CN203066582U (en) | Cross arm for transmission tower | |
| CN203026164U (en) | Vertical connection type surge pipe for voltage stabilizer of pressurized water reactor nuclear power plant | |
| CN207426647U (en) | Cable connector additional reinforcement structure | |
| CN218937129U (en) | Integrated H-shaped fin heat exchange tube | |
| CN206942917U (en) | A kind of Bulb Turbine Units turbine chamber | |
| CN109915326A (en) | A kind of cylinder tower used for wind power generation | |
| CN202176142U (en) | Connecting type joint for steel tube angle changing iron in power transmission line steel tube tower | |
| CN211285819U (en) | Double-tube-to-single-tube water delivery structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181009 Termination date: 20211221 |