CN207452847U - A kind of ecology intake sewage blocking device - Google Patents
A kind of ecology intake sewage blocking device Download PDFInfo
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- CN207452847U CN207452847U CN201721457295.0U CN201721457295U CN207452847U CN 207452847 U CN207452847 U CN 207452847U CN 201721457295 U CN201721457295 U CN 201721457295U CN 207452847 U CN207452847 U CN 207452847U
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- intake
- ecological
- trash rack
- screen
- blocking device
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Abstract
The utility model discloses a kind of ecological intake sewage blocking device, including annular support seat（1）With hemispherical lattice trash rack（2）；Annular support seat（1）It is equipped with annular frame trough（3）；Hemispherical lattice trash rack（2）Baseplane be embedded in annular frame trough（3）It is interior, and with annular frame trough（3）Bottom surface and the welding of slot step.The utility model uses dome-type lattice trash rack, and trash rack overall structure rigidity is big, intensity is high, meets the trash rack body construction strength and stability requirement in the case of flow velocity height, and dirt is not easy to be attached on trash rack, is conducive to block dirt；In addition, grizzly bar flow-passing surface front/rear end is streamline construction, current damping is substantially reduced, HYDRODYNAMIC CONDITION RELATING TO is good, effectively reduces vibration during trash rack overcurrent.
Description
Technical field
The utility model is related to a kind of ecological intake sewage blocking devices, belong to hydraulic and hydroelectric engineering metal structure technology neck
Domain.
Background technology
Consider that environmental protection needs, hydraulic and hydroelectric engineering needs bleed downstream in lower lock water storage and unit period out of service
Ecological flow, in addition to part engineering is by setting the small machine bleed downstream ecological flow of ecology, most engineerings are taken at dam body bottom
Portion sets eduction valve to release ecological flow, and for the more hydroelectric project of dam body bottom suspended load or bed load, size is larger for this
Dirt into air stream enter runner valve body can be caused to damage or even runner is caused to block, and some transfer ecology only during lower lock water storage
The engineering of flow is used to be examined in intake welded steel fabric pattern by engineering operation, and bar-mat reinforcement shakes after flow velocity is more than 2m/s
It moves to easily snap off not having strongly and blocks dirty effect, the reinforcing bar that fractures sometimes can also damage valve body or even influence eduction valve pass
It closes and causes engineering accident, so the prior art or incomplete.
Utility model content
The purpose of this utility model is that providing a kind of ecological intake sewage blocking device, integrally tied with enhancing sewage blocking device
Structure rigidity and intensity, while meet the stability requirement in the case of flow velocity height, and vibration when effectively reducing trash rack overcurrent, from
And overcome the deficiencies in the prior art.
What the technical solution of the utility model was realized in：
A kind of ecological intake sewage blocking device of the utility model, dirt is blocked including annular support seat and hemispherical lattice
Grid；Annular support seat is equipped with annular frame trough；The baseplane of hemispherical lattice trash rack is embedded in annular frame trough, and
It is welded with annular grid groove bottom and slot step.
In foregoing ecology intake sewage blocking device, the hemispherical lattice trash rack includes cross main grid；It is cross
Main grid erects screen by one piece of semicircle and two blocks of horizontal screens of right angle fan are symmetrically welded；Four quadrants that cross main grid is formed
Inside be respectively equipped with one group of perpendicular screen being equally spaced, erect the shape of time screen as right angle fan, the size of right angle fan by
It is interior to successively decreasing successively outside；Four groups of right-angle sides for erecting time screen symmetrical upper and lower surface vertical welding with the horizontal screen of right angle fan two-by-two
It connects；Through horizontal grizzly bar vertical connection between two blocks of perpendicular screens, erect perpendicular screen of screen close to semicircle and semicircle erect screen it
Between through horizontal grizzly bar vertical connection；The shape of horizontal grizzly bar is strip, and strip base is straight flange, and strip top margin is partial sphere,
The length of strip is successively decreased successively from the inside to the outside, and screen vertical welding is erected in strip two sides with perpendicular screen or semicircle.
In foregoing ecology intake sewage blocking device, the flow-passing surface front and back end of the hemispherical lattice trash rack is equipped with
Angle, chamfer shape are streamlined cambered surface.
In foregoing ecology intake sewage blocking device, the thickness of the cross main grid is more than perpendicular screen and horizontal secondary grizzly bar
Thickness.
In foregoing ecology intake sewage blocking device, the annular frame trough of the annular support seat is located at upstream face；Ring-type branch
The downstream face of bearing and the annular pre-embedded steel slab of ecological intake front end are welded using four sides weld all around mode.
In foregoing ecology intake sewage blocking device, the inner circle upstream edge rounded corner of the ring-type pre-embedded steel slab.
In foregoing ecology intake sewage blocking device, ecological intake pipe, ecological intake pipe are inlaid in the ecology intake
For equal coupling pipe.
In foregoing ecology intake sewage blocking device, the spout part of the ecology intake pipe is reducer pipe, reducer pipe tail end with
Equal coupling pipe connects.
By adopting the above-described technical solution, the utility model is compared with prior art, the sewage blocking device of the utility model
It has the advantages that：1st, trash rack uses hemispherical lattice trash rack, and overall structure rigidity is big, intensity is high, meets stream
Trash rack body construction strength and stability requirement in the case of fast height, and dirt is not easy to be attached on trash rack, is conducive to block
It is dirty.2nd, hemispherical lattice trash rack flow-passing surface front/rear end is streamline construction, substantially reduces current damping, HYDRODYNAMIC CONDITION RELATING TO
It is good, effectively reduce vibration during trash rack overcurrent.3rd, using the big rear end in front end small reduced pipe and equal pipe after annular steel plate
Connection mode can reduce the flow velocity of ecological intake by the local ecology intake section that increases, advantageously reduce trash rack mistake
Vibration during stream is conducive to the high ecological intake pipe of flow velocity and blocks dirt.4th, annular support seat is set and cross main grid, perpendicular screen
And the corresponding annular frame trough in horizontal grizzly bar position, be conducive to fix hemispherical lattice trash rack；5th, hemispherical lattice is blocked
It is secured with the three face weld all around of annular support seat after the dirty annular frame trough of grid insertion, be conducive to enhance the stability of grizzly bar.
Description of the drawings
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is the right view of Fig. 1；
Fig. 3 is the top view of Fig. 1；
Fig. 4 is the rearview of Fig. 1；
Fig. 5 is the 3-D view of Fig. 1；
Fig. 6 is the 3-D view of Fig. 5 another sides；
Fig. 7 is the structure diagram of main grid item；
Fig. 8 is the structure diagram of annular support seat；
Fig. 9 is the structure diagram of perpendicular grizzly bar；
Figure 10 is the structure diagram of horizontal grizzly bar；
Figure 11 is the connection diagram of hemispherical trash rack and isometrical ecological intake；
Figure 12 is the connection diagram of hemispherical trash rack and reducing ecology intake.
In figure：The hemispherical lattice trash rack of 1- annular supports seat, 2-, 3- ring-types frame trough, the cross main grids of 4-, 5- half
The perpendicular screen of circle, the horizontal screen of 6- right angle fans, 7- erect horizontal grizzly bar of time screen, 8-, the streamlined cambered surfaces of 9-, 10- ecologies intake,
11- ring-types pre-embedded steel slab, 12- fillets, 13- equal couplings pipe, 14- reducer pipes.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples, but not as new to this practicality
Any restrictions of type.
A kind of ecological intake sewage blocking device of the utility model, as shown in figs. 1-12, including annular support seat 1 and hemisphere
Shape lattice trash rack 2；Annular support seat 1 is equipped with annular frame trough 3；It inlays the baseplane of hemispherical lattice trash rack 2
It is welded in annular frame trough 3, and with annular 3 bottom surface of frame trough and slot step.The ecology intake sewage blocking device, feature
It is：The hemispherical lattice trash rack 2 includes cross main grid 4；Cross main grid 4 erects screen 5 and two by one piece of semicircle
The horizontal screen 6 of block right angle fan is symmetrically welded；One group of equidistant cloth is respectively equipped in four quadrants that cross main grid 4 is formed
The perpendicular screen 7 put, erects the shape of time screen 7 as right angle fan, the size of right angle fan is successively decreased successively from the inside to the outside；Four groups are erected
The right-angle side of the secondary screen 7 symmetrical upper and lower surface vertical welding of screen 6 horizontal with right angle fan two-by-two；Between two blocks of perpendicular screens 7
Through horizontal 8 vertical connection of grizzly bar, erect perpendicular screen 7 of screen 5 close to semicircle and semicircle is erected and hung down through horizontal grizzly bar 8 between screen 5
It is direct-connected to connect；The shape of horizontal grizzly bar 8 is strip, and strip base is straight flange, and strip top margin is partial sphere, and the length of strip is by interior
To successively decreasing successively outside, 5 vertical welding of screen is erected in strip two sides with perpendicular screen 7 or semicircle.Hemispherical lattice trash rack 2
Flow-passing surface front and back end is equipped with chamfering, and chamfer shape is streamlined cambered surface 9.The thickness of cross main grid 4 is more than perpendicular screen 7 and horizontal stroke
The thickness of secondary grizzly bar 8.The annular frame trough 3 of annular support seat 1 is located at upstream face；The downstream face of annular support seat 1 takes with ecology
The annular pre-embedded steel slab 11 of 10 front end of the mouth of a river is welded using four sides weld all around mode.The inner circle upstream Edge Blend of annular pre-embedded steel slab 11
Angle 12.Ecological intake pipe is inlaid in ecological intake 10, ecological intake pipe is equal coupling pipe 13.The nozzle of ecological intake pipe
Portion is reducer pipe 14, and 14 tail end of reducer pipe is connected with equal coupling pipe 13.
Embodiment
The utility model is the improvement to existing bar-mat reinforcement trash rack, and existing steel is substituted with hemispherical lattice trash rack
Muscle net trash rack.Specific practice is that annular pre-embedded steel slab is set in ecological intake front end, and four are used on annular pre-embedded steel slab
Face weld all around mode is welded and fixed a hemispherical trash rack, and hemispherical trash rack is main by the semicircle of annular support seat, right-angled intersection
Grizzly bar, perpendicular grizzly bar being equally spaced and horizontal grizzly bar weld to form lattice hemisphere, main grid item, perpendicular grizzly bar and horizontal time
Grizzly bar flow-passing surface front/rear end is streamline construction.As shown in figs. 1-12.Ecological 10 front end of intake is embedded with annular pre-embedded steel slab
11, a hemispherical lattice trash rack 2 is welded and fixed using four sides weld all around mode on annular pre-embedded steel slab 11.Hemispherical lattice
Formula trash rack 2 forms lattice by annular support seat 1, cross main grid 4, perpendicular screen 7 being equally spaced and the horizontal welding of grizzly bar 8
Structure formula hemisphere；The lattice spacing that cross main grid 4, perpendicular screen 7 and horizontal grizzly bar 8 are formed is according to aerial drainage operating valve and accident
It can be determined in service valve by the full-size of dirt；Perpendicular screen 7 is right angle fan plate or approximate 1/4 circular slab；Horizontal grid
Item 8 is segmented the approximate half-circular structure formed with cross main grid 4 and the perpendicular welding of screen 7；Cross main grid 4, perpendicular screen 7
And horizontal 8 flow-passing surface front/rear end of grizzly bar is streamlined cambered surface 9；The position of streamlined cambered surface 9 has only been marked in figure, has been not drawn into flowing
The figure of line style cambered surface.Ecological intake pipe after annular pre-embedded steel slab 11 is using the small reducer pipe 14 in the big rear end in front end with waiting straight
Siphunculus 13 connects；Or directly use equal coupling pipe 13.The upstream side rounded corner 12 of annular 11 endoporus of pre-embedded steel slab；Annular support
The upstream face of seat 1 is equipped with annular frame trough 3 corresponding with cross main grid 4, perpendicular screen 7 and horizontal 8 position of grizzly bar；It is cross
Main grid 4, perpendicular screen 7 and horizontal grizzly bar 8 are embedded in secured with the 1 three face weld all around of annular support seat after annular frame trough 3.
Claims (8)
1. a kind of ecology intake sewage blocking device, it is characterised in that：Including annular support seat（1）With hemispherical lattice trash rack
（2）；Annular support seat（1）It is equipped with annular frame trough（3）；Hemispherical lattice trash rack（2）Baseplane be embedded in ring-type
Frame trough（3）It is interior, and with annular frame trough（3）Bottom surface and the welding of slot step.
2. ecological intake sewage blocking device according to claim 1, it is characterised in that：The hemispherical lattice trash rack
（2）Including cross main grid（4）；Cross main grid（4）Screen is erected by one piece of semicircle（5）With two blocks of horizontal screens of right angle fan（6）
It is symmetrically welded；Cross main grid（4）One group of perpendicular screen being equally spaced is respectively equipped in four quadrants formed
（7）, erect time screen（7）Shape for right angle fan, the size of right angle fan is successively decreased successively from the inside to the outside；Four groups are erected time screen
（7）Right-angle side two-by-two symmetrically with the horizontal screen of right angle fan（6）Upper and lower surface vertical welding；Two blocks of perpendicular screens（7）Between
Through horizontal grizzly bar（8）Vertical connection erects screen close to semicircle（5）Perpendicular screen（7）Screen is erected with semicircle（5）Between through horizontal time
Grizzly bar（8）Vertical connection；Horizontal grizzly bar（8）Shape for strip, strip base is straight flange, and strip top margin is partial sphere, item
The length of shape is successively decreased successively from the inside to the outside, strip two sides and perpendicular screen（7）Or semicircle erects screen（5）Vertical welding.
3. ecological intake sewage blocking device according to claim 1, it is characterised in that：The hemispherical lattice trash rack
（2）Flow-passing surface front and back end be equipped with chamfering, chamfer shape be streamlined cambered surface（9）.
4. ecological intake sewage blocking device according to claim 2, it is characterised in that：The cross main grid（4）Thickness
More than perpendicular time screen（7）With horizontal grizzly bar（8）Thickness.
5. ecological intake sewage blocking device according to claim 1, it is characterised in that：The annular support seat（1）Ring-type
Frame trough（3）It is located at upstream face；Annular support seat（1）Downstream face and ecological intake（10）The annular pre-embedded steel slab of front end
（11）It is welded using four sides weld all around mode.
6. ecological intake sewage blocking device according to claim 5, it is characterised in that：The ring-type pre-embedded steel slab（11）It is interior
Circle upstream edge rounded corner（12）.
7. ecological intake sewage blocking device according to claim 5, it is characterised in that：The ecology intake（10）Inside inlay
There is ecological intake pipe, ecological intake pipe is equal coupling pipe（13）.
8. ecological intake sewage blocking device according to claim 7, it is characterised in that：It is described ecology intake pipe spout part be
Reducer pipe（14）, reducer pipe（14）Tail end and equal coupling pipe（13）Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721457295.0U CN207452847U (en) | 2017-11-03 | 2017-11-03 | A kind of ecology intake sewage blocking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721457295.0U CN207452847U (en) | 2017-11-03 | 2017-11-03 | A kind of ecology intake sewage blocking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207452847U true CN207452847U (en) | 2018-06-05 |
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ID=62253731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721457295.0U Active CN207452847U (en) | 2017-11-03 | 2017-11-03 | A kind of ecology intake sewage blocking device |
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| Country | Link |
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| CN (1) | CN207452847U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107620294A (en) * | 2017-11-03 | 2018-01-23 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of ecological intake sewage blocking device |
| CN109356120A (en) * | 2018-12-10 | 2019-02-19 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of sluice pipe dome-type blocks dirty structure |
-
2017
- 2017-11-03 CN CN201721457295.0U patent/CN207452847U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107620294A (en) * | 2017-11-03 | 2018-01-23 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of ecological intake sewage blocking device |
| CN109356120A (en) * | 2018-12-10 | 2019-02-19 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of sluice pipe dome-type blocks dirty structure |
| CN109356120B (en) * | 2018-12-10 | 2024-02-06 | 中国电建集团贵阳勘测设计研究院有限公司 | Hemispherical dirt blocking structure of sewer pipeline |
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