CN106759833A - A kind of combined type fairing for improving urban rainwater pumping plant Inlet flow pattern - Google Patents
A kind of combined type fairing for improving urban rainwater pumping plant Inlet flow pattern Download PDFInfo
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- CN106759833A CN106759833A CN201610993941.9A CN201610993941A CN106759833A CN 106759833 A CN106759833 A CN 106759833A CN 201610993941 A CN201610993941 A CN 201610993941A CN 106759833 A CN106759833 A CN 106759833A
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- diversion pier
- shunting diversion
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- shunting
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/22—Adaptations of pumping plants for lifting sewage
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Abstract
The invention discloses a kind of combined type fairing for improving urban rainwater pumping plant Inlet flow pattern, the fairing is arranged in gate shaft, gate shaft is arranged between rainwater house steward and water inlet box culvert, the radius of gate shaft is R, and the fairing includes crossbeam, main shunting diversion pier, upper shunting diversion pier and lower shunting diversion pier；Into the flow rate of water flow in gate shaft can be distributed in level and facade rainwater house steward and be effectively homogenized by the combined type fairing in the present invention, the current flowed into pumping plant water inlet box culvert and collecting-tank are homogenized, such that it is able to effectively solve a series of bad waterpower flow field problems such as main flow in gate shaft placed in the middle, water inlet box culvert flow rate of water flow skewness, collecting-tank water inlet bias current, ensure that urban rainwater pumping plant has good Inlet flow pattern, the safe and efficient stable operation for ensuring pumping plant and water pump assembly has great importance.
Description
Technical field
The invention belongs to hydraulic engineering, municipal works pumping plant technical field, and in particular to one kind improves urban rainwater pumping plant
The combined type fairing of Inlet flow pattern.
Background technology
Rainfall pumping station is set in sewerage system, there is important effect to the generation of prevention urban waterlogging.City
Rainfall pumping station is mainly including the intake construction such as rainwater house steward, gate shaft, intake box culvert, grille well, collecting-tank.Due to by city
The limitation of the conditions such as planning, landform, scale, rainfall pumping station needs to reduce floor space and the influence to surrounding enviroment as far as possible.
Therefore, often size is less than normal, tight slightly for urban rainwater pumping plant intake construction structure, and is difficult to according to waterpower in Code for design of pumping cstations
The good requirement of condition is arranged, thus easily cause that pumping plant flow condition is good, to there is main flow in building placed in the middle, partially
The bad fluidised forms such as stream, backflow, have a strong impact on the safe and stable operation of pumping plant.
At present, for the improvement of bad fluidised form in pumping plant intake construction, bottom bank mainly is set by collecting-tank, is led
The fairing measures such as stream pier, water squeezing plate, column.But, the urban rainwater pumping plant excessively compact for structure particularly works as rain
Main flow is placed in the middle when supply mains uses oblique inflow form, in pumping plant water inlet system generally existing gate shaft, current in water inlet box culvert
A series of waterpower flow field problems such as velocity flow profile is uneven, collecting-tank water inlet bias current.And now, only by setting biography in collecting-tank
The method of system fairing measure, it tends to be difficult to ensure the security of the good flow condition of urban rainwater pumping plant and its operation.
The content of the invention
The purpose of the present invention is directed to above mentioned problem, proposes that one kind can be effectively improved in urban rainwater pumping plant gate shaft main
Flow the bad Inlet flow pattern of a series of complex such as flow rate of water flow skewness and collecting-tank water inlet bias current in placed in the middle, water inlet box culvert
Combined type fairing.
The present invention is achieved through the following technical solutions：
A kind of combined type fairing for improving urban rainwater pumping plant Inlet flow pattern, the fairing is arranged in gate shaft,
Gate shaft is arranged between rainwater house steward and water inlet box culvert, and the radius of gate shaft is R, and the fairing includes crossbeam, master point
Stream diversion pier, upper shunting diversion pier and lower shunting diversion pier；
Many identical crossbeams, the length of each crossbeam are set along the depth direction of gate shaft, positioned at the center of gate shaft
L1=2R, width B1=(0.05 ~ 0.2) R of crossbeam, horizontal depth of beam H1=(0.05 ~ 0.1) R, the spacing H2=between each crossbeam
(0.02 ~ 0.2) R, Bottom Altitude H3=(0.1 ~ 0.4) R of base cross members range gate well；
The side vertical crossbeams of direction water inlet box culvert are provided with and diversion pier are shunted on one on many crossbeams, the length of upper shunting diversion pier
Degree L2=(0.1 ~ 0.4) R, width B3=(0.05 ~ 0.2) R of upper shunting diversion pier, upper shunting diversion pier head cavetto and the court
To water inlet box culvert, its center line overlaps with the center line of water inlet box culvert upside inlet opening；
It is provided with a main shunting diversion pier and one towards the side of rainwater house steward on many crossbeams and shunts diversion pier, it is described
Main shunting diversion pier is arranged at the center of crossbeam, the main shunting diversion pier head cavetto, its center line and rainwater house steward
Center line overlaps, and both are identical with the centerlines of water inlet box culvert, areβ；Main shunting diversion pier is exported with rainwater house steward
Spacing W=(0.05 ~ 0.3) R, width B2=(0.05 ~ 0.2) R of main shunting diversion pier, a side of main shunting diversion pier and rain
The centerline parallel of supply mains, another side front section elder generation and rainwater house steward's centerline parallel of main shunting diversion pier, by
Arc transition with water inlet box culvert side wall to flushing and vertical meet at crossbeam；
It is lower shunting diversion pier perpendicular to crossbeam, it is described it is lower shunting diversion pier head cavetto and towards rainwater house steward, described lower point
Flow diversion pier length be L3=(0.1 ~ 0.4) R, width B4=(0.05 ~ 0.2) R, it is described it is lower shunting diversion pier center line with enter
The center line that water tank contains downside inlet opening overlaps；
The height of the height, the height of main shunting diversion pier and lower shunting diversion pier of upper shunting diversion pier is equal, the above
Main shunting diversion pier, upper shunting diversion pier and lower shunting diversion pier cope level it is neat with peak level in gate shaft
It is flat.
Crossbeam, main shunting diversion pier, upper shunting diversion pier and lower shunting diversion pier are metal structure or concrete structure.
The above crossbeam, main shunting diversion pier and upper and lower shunting diversion pier play its each optimal rectification effect when
Position and physical dimension can carry out studying really using Three Dimensional Flow Simulation method according to actual pump station engineering ruuning situation
It is fixed, and verified using hydraulic model test method logarithm value analog study result；Combination beam water along vertical line direction
Plain cloth puts some crossbeams, and crossbeam is placed in gate shaft middle part and towards water inlet box culvert；The number of the combination beam middle cross beam, width,
Highly, the elevation of crossbeam spacing and range gate bottom can be adjusted within the specific limits, to adapt to different cities
The actual conditions of rainfall pumping station.The structure of the combination beam, main shunting diversion pier, upper shunting diversion pier and lower shunting diversion pier
Represented to the relative value on the basis of gate shaft radius R with position dimension, these relative values are multiplied by gate shaft radius R
Be applied actual size of the invention.
As the presently preferred embodiments, the combined type fairing of described improvement urban rainwater pumping plant Inlet flow pattern, along gate
The depth direction of well, the 3 identical crossbeams of center setting positioned at gate shaft, the radius of gate shaft is 5.0m, and rainwater is total
Pipe and water inlet box culvert centerlinesβIt it is 20 °, the length of each crossbeam is 10m, and width is 0.6m, is highly 0.5m, between each crossbeam
Away from being 0.35m, the Bottom Altitude of crossbeam range gate well is 1.1m；The height of upper shunting diversion pier is 4.0 m.
Main shunting diversion pier is 1m with the spacing of rainwater house steward outlet, and width is 0.3m, and the height of main shunting diversion pier is
4.0 m；Upper shunting diversion pier length is 1m, width is 0.3m, and the height of upper shunting diversion pier is 4.0 m；Lower shunting diversion pier
Length is 0.08m, width is 0.3m, and the height of lower shunting diversion pier is 4.0 m.
Using based on the three-dimensional in urban rainwater pumping plant described in the theoretical Numerical Method Study of computational fluid dynamics
Flow field, analyzes the bad fluidised form and its generation band of position for existing, and is opened in urban rainwater pumping plant difference operating water level, difference
Under conditions of machine combination and different flow operating mode, seek that the group of bad hydraulic flow state in pumping plant water inlet system can be significantly improved
The arrangement form and physical dimension of box-like each part of fairing, then through hydraulic model test method logarithm value simulation grind
The result studied carefully is verified；Hydraulic model test result shows that the present invention can be effectively improved urban rainwater pumping plant gate shaft main flow
Between two parties, the bad Inlet flow pattern such as water inlet box culvert flow rate of water flow skewness and collecting-tank water inlet bias current, for ensureing city rain
Safe and reliable, the stable operation of pump works have great importance and engineering application value.
The present invention is using the beneficial effect after said structure：
Combined type fairing in the present invention can by rainwater house steward into the flow rate of water flow in gate shaft be distributed in level and
Effectively it is homogenized on facade so that the current flowed into pumping plant water inlet box culvert and collecting-tank are homogenized, such that it is able to effective
Solve a series of bad water such as main flow in gate shaft placed in the middle, water inlet box culvert flow rate of water flow skewness, collecting-tank water inlet bias current
Power flow field problem, has ensured that urban rainwater pumping plant has good Inlet flow pattern, for the safety for ensuring pumping plant and water pump assembly
Efficient stable operation has great importance.
Fairing simple structure provided by the present invention, easily make and cost is relatively low, for compact conformation
Urban rainwater pump station engineering is easy to building in urban rainwater pump station engineering and similar hydraulic engineering without additionally increasing land area
If with popularization and application in transformation.
Brief description of the drawings
Fig. 1 a are horizontal layout schematic diagram of the present invention in gate shaft；
Fig. 1 b are facade arrangement schematic diagram of the present invention in gate shaft；
Fig. 2 a are planar dimension schematic diagrames of the invention；
Fig. 2 b are facade scale diagrams of the invention；
Fig. 3 is the pumping plant intake construction horizontal layout schematic diagram of the embodiment of the present invention；
Fig. 4 is using the three-dimensional streamline comparison diagram in gate shaft before and after the present invention；
Fig. 5 is using water inlet box culvert downside inlet opening VELOCITY DISTRIBUTION comparison diagram before and after the present invention；
Fig. 6 is using water inlet box culvert upside inlet opening VELOCITY DISTRIBUTION comparison diagram before and after the present invention；
In figure：Shunting diversion pier, 5- rainwater house steward, 6- locks under diversion pier, 4- are shunted on the main shunting diversion pier of 1- crossbeams, 2-, 3-
Men Jing, 7- water inlet box culvert, 8- water inlet box culvert upside inlet opening, 9- water inlet box culvert downside inlet opening, 10- water inlet box culvert upside every
Pier, 11- water inlet box culverts downside dividing pier, 12- collecting-tanks, 13- water pump assemblies.
Specific embodiment
The present invention is described in further detail with embodiment below in conjunction with the accompanying drawings.
As shown in Figure 1a, a kind of combined type fairing for improving urban rainwater pumping plant Inlet flow pattern of the present invention is arranged at lock
In door well 6, gate shaft 6 is arranged between rainwater house steward 5 and water inlet box culvert 7, and the radius of gate shaft is R.Of the present invention group
It is combination beam that box-like fairing is actual, and combination beam includes crossbeam 1, main shunting diversion pier 2, upper shunting diversion pier 3 and lower shunting
Diversion pier 4.
As shown in Fig. 1 a, 2a, the present invention is set in the center of gate shaft 6, i.e. diametric(al), as shown in Fig. 1 b and 2b,
Along the depth direction of gate shaft 6, positioned at the center of gate shaft 6,3 ~ 6 identical crossbeams 1, the length of each crossbeam are set
L1=2R, width B1=(0.05 ~ 0.2) R of crossbeam, horizontal depth of beam H1=(0.05 ~ 0.1) R, the spacing H2=between each crossbeam
(0.02 ~ 0.2) R, Bottom Altitude H3=(0.1 ~ 0.4) R of base cross members range gate well 6.Towards water inlet box culvert on many crossbeams
7 side vertical crossbeams are provided with shunting diversion pier 3 on, and length L2=(0.1 ~ 0.4) R of upper shunting diversion pier, upper shunting is led
Flow width B3=(0.05 ~ 0.2) R of pier；As shown in figs 2 a and 3, it is described it is upper shunting diversion pier head cavetto and its center line with
The center line of water inlet box culvert upside inlet opening 8 overlaps.
It is provided with a main shunting diversion pier 2 and one towards the side of rainwater house steward 5 on many crossbeams and shunts water conservancy diversion
Pier 4, the main shunting diversion pier 2 is arranged at the center of crossbeam, the main shunting diversion pier head cavetto, its center line with
The center line of rainwater house steward 5 overlaps, and both are identical with the centerlines of water inlet box culvert 7, areβ；Main shunting diversion pier and rain
Spacing W=(0.05 ~ 0.3) R, width B2=(0.05 ~ 0.2) R of main shunting diversion pier, main shunting diversion pier of the outlet of supply mains 5
A side and rainwater house steward centerline parallel, another side front section of main shunting diversion pier first with rainwater house steward 5 in
Heart line is parallel, flushes and vertical meets at crossbeam to the water inlet side wall of box culvert 7 by arc transition.
Lower shunting diversion pier 4 is vertical to meet at crossbeam, the head cavetto of the lower shunting diversion pier 4 and towards rainwater house steward,
The length of the lower shunting diversion pier is L3=(0.1 ~ 0.4) R, width B4=(0.05 ~ 0.2) R；As shown in figs 2 a and 3, it is described
The center line of lower shunting diversion pier 4 aligns in the plane with the center line of water inlet box culvert downside inlet opening 9.
The height of the height, the height of main shunting diversion pier and lower shunting diversion pier of upper shunting diversion pier is H4, the above
It is described it is main shunting diversion pier 2, it is upper shunting diversion pier 3 and it is lower shunting diversion pier 4 cope level with gate shaft 6 in highest
Water level is flushed.
Because the water inlet direction in rainwater house steward is certain in the present invention, therefore rainwater house steward outlet port is unique, rainwater along
Main shunting diversion pier flows to crossbeam, therefore the part of the main shunting diversion pier of contact current is named as main shunting diversion pier at first
Front section, correspondingly the part of contact current is named as the hindfoot portion of main shunting diversion pier afterwards, and current are contacted at first
The part of lower shunting diversion pier is named as head, similarly the head of main shunting diversion pier, the head of upper shunting diversion pier.
It is each that the above combination beam 1, main shunting diversion pier 2, upper shunting diversion pier 3 and lower shunting diversion pier 4 play its
From optimal rectification effect when particular location and physical dimension can be according to actual pump station engineering ruuning situation, using Three-dimensional Flow number
Value analogy method is determined, and is verified using hydraulic model test method logarithm value analog study result.
The above combination beam 1, main shunting diversion pier 2, upper shunting diversion pier 3 and lower shunting diversion pier 4 are metal knot
Structure or concrete structure, can be welded or be poured shaping in pump station engineering construction or transformation scene.
Embodiment
As shown in figure 3, using certain urban rainwater pumping plant of oblique inflow form, its intake construction include rainwater house steward 5,
Gate shaft 6, water inlet box culvert 7, water inlet box culvert upside dividing pier 10, water inlet box culvert downside dividing pier 11, water inlet box culvert upside inlet opening 8,
Water inlet box culvert downside inlet opening 9, collecting-tank 12, water pump assembly 13, and led in being arranged at gate shaft 6, by crossbeam 1, main shunting
The combined type fairing that stream pier 2, upper shunting diversion pier 3 and lower shunting diversion pier 4 are constituted.Pumping plant gate shaft radius R is
5.0m, rainwater house steward and water inlet box culvert centerlinesβIt is 20 °.The length of each crossbeam is 10m, and width is 0.6m, is highly
0.5m, each crossbeam spacing is 0.35m, and the Bottom Altitude of crossbeam range gate well is 1.1m.The main shunting head cavetto of diversion pier 2,
Its center line aligns in the in-plane direction with the center line of rainwater house steward 5；One side of main shunting diversion pier 2 is with rainwater house steward's 5
Centerline parallel, and another side front section first with the centerline parallel of rainwater house steward 5, by arc transition to water inlet box culvert
7 side walls are flushed and vertically meet at combination beam 1；Main shunting diversion pier 2 is 1m with the spacing of the outlet of rainwater house steward 5, and width is 0.3m.
Upper shunting diversion pier 3 length be 1m, width be 0.3m and it is vertical meet at combination beam 1, the upper shunting head cavetto of diversion pier 2 and wherein
Heart line aligns in the plane with the center line of water inlet box culvert 7 upside inlet opening 8.Lower shunting diversion pier 4 length is 0.08m, width
For 0.3m and combination beam 1 vertically is met at, its center line aligns in the plane with the center line of water inlet box culvert 7 downside inlet opening 9.It is main
The height of shunting diversion pier 2, upper shunting diversion pier 3 and lower shunting diversion pier 4 is 4.0 m.
Crossbeam 1, main shunting diversion pier 2, upper shunting diversion pier 3 and lower shunting diversion pier 4 are made using concrete.
As shown in figure 4, using Three Dimensional Flow Simulation method, comparative analysis uses the combination of the above embodiment of the present invention
Formula fairing is carried out before and after rectification, and the mobility status in gate shaft are it can be found that main shunting diversion pier 2 can be by rainwater house steward 5
Main flow into gate shaft 6 is shunted in the horizontal direction, carries out facade flow velocity homogenizing, upper shunting water conservancy diversion again by combination beam 1
Plane flow rate of water flow is carried out secondary homogenizing by pier 3 and lower shunting diversion pier 4 again such that it is able to effectively solve main flow in gate shaft
Problem placed in the middle.
As shown in Figure 5,6, the VELOCITY DISTRIBUTION of water inlet box culvert inlet opening can be seen that through rectification of the present invention before and after contrast rectification
Water inlet box culvert inlet velocity afterwards becomes homogenizing, and being further ensured that into the flow velocity in water box culvert, in regulating reservoir becomes uniform, says
Bright combined type fairing proposed by the invention significantly improves the uniformity into water box culvert velocity flow profile, can solve the problem that into water
The waterpower problem such as flow rate of water flow skewness, collecting-tank water inlet bias current in box culvert, and then can ensure that urban rainwater pumping plant is intake
System has good fluidised form, it is ensured that safe efficient, the stable operation of pumping plant and water pump assembly.
Claims (3)
1. it is a kind of improve urban rainwater pumping plant Inlet flow pattern combined type fairing, it is characterized in that：The fairing is set
In in gate shaft, gate shaft is arranged between rainwater house steward and water inlet box culvert, and the radius of gate shaft is R, the fairing bag
Include crossbeam, main shunting diversion pier, upper shunting diversion pier and lower shunting diversion pier；
Many identical crossbeams, the length of each crossbeam are set along the depth direction of gate shaft, positioned at the center of gate shaft
Be 2R, the width of crossbeam is (0.05 ~ 0.2) R, and horizontal depth of beam is (0.05 ~ 0.1) R, the spacing between each crossbeam for (0.02 ~
0.2) R, the Bottom Altitude of base cross members range gate well is (0.1 ~ 0.4) R；
The side vertical crossbeams of direction water inlet box culvert are provided with and diversion pier are shunted on one on many crossbeams, the length of upper shunting diversion pier
It is (0.1 ~ 0.4) R to spend, and the width of upper shunting diversion pier is (0.05 ~ 0.2) R, upper shunting diversion pier head cavetto and the direction
Water inlet box culvert, its center line overlaps with the center line of water inlet box culvert upside inlet opening；
It is provided with a main shunting diversion pier and one towards the side of rainwater house steward on many crossbeams and shunts diversion pier, it is described
Main shunting diversion pier is arranged at the center of crossbeam, the main shunting diversion pier head cavetto, its center line and rainwater house steward
Center line overlaps, and both are identical with the centerlines of water inlet box culvert, areβ；Main shunting diversion pier is exported with rainwater house steward
Spacing be (0.05 ~ 0.3) R, the width of main shunting diversion pier is (0.05 ~ 0.2) R, a side of main shunting diversion pier and rain
The centerline parallel of supply mains, another side front section elder generation and rainwater house steward's centerline parallel of main shunting diversion pier, by
Arc transition with water inlet box culvert side wall to flushing and vertical meet at crossbeam；
It is lower shunting diversion pier perpendicular to crossbeam, it is described it is lower shunting diversion pier head cavetto and towards rainwater house steward, described lower point
The length for flowing diversion pier is (0.1 ~ 0.4) R, and width is (0.05 ~ 0.2) R, the center line and inlet water tank of the lower shunting diversion pier
The center line for containing downside inlet opening overlaps；
The height of the height, the height of main shunting diversion pier and lower shunting diversion pier of upper shunting diversion pier is equal, the above
Main shunting diversion pier, upper shunting diversion pier and lower shunting diversion pier cope level it is neat with peak level in gate shaft
It is flat.
2. the combined type fairing of urban rainwater pumping plant Inlet flow pattern is improved as claimed in claim 1, it is characterized in that：It is horizontal
Beam, main shunting diversion pier, upper shunting diversion pier and lower shunting diversion pier are metal structure or concrete structure.
3. the combined type fairing of urban rainwater pumping plant Inlet flow pattern is improved as claimed in claim 1, it is characterized in that：Along lock
The depth direction of door well, the 3 identical crossbeams of center setting positioned at gate shaft, the radius of gate shaft is 5.0m, rainwater
House steward and water inlet box culvert centerlinesβIt it is 20 °, the length of each crossbeam is 10m, and width is 0.6m, is highly 0.5m, each crossbeam
Spacing is 0.35m, and the Bottom Altitude of crossbeam range gate well is 1.1m；
Main shunting diversion pier is 1m with the spacing of rainwater house steward outlet, and width is 0.3m, and upper shunting diversion pier length is 1m, width
It is 0.3m, lower shunting diversion pier length is 0.08m, width is 0.3m；Main shunting diversion pier, upper shunting diversion pier and lower shunting
The height of diversion pier is 4.0 m.
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| CN201610993941.9A CN106759833B (en) | 2016-11-11 | 2016-11-11 | A kind of combined type fairing improving urban rainwater pumping plant Inlet flow pattern |
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| CN201610993941.9A CN106759833B (en) | 2016-11-11 | 2016-11-11 | A kind of combined type fairing improving urban rainwater pumping plant Inlet flow pattern |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107254866A (en) * | 2017-07-27 | 2017-10-17 | 扬州大学 | A kind of lock station convolution pumping plant rectification combined type control whirlpool facility |
| CN107327010A (en) * | 2017-07-28 | 2017-11-07 | 河海大学 | It is a kind of to improve the method for the porous pumping plant Inlet flow pattern that becomes a mandarin |
| CN108149769A (en) * | 2017-12-06 | 2018-06-12 | 河海大学 | A kind of method for improving Urban Waterlogging pumping plant side unit Inlet flow pattern |
| CN109024860A (en) * | 2018-08-13 | 2018-12-18 | 河海大学 | A method of ensureing multitube influent stream sewage lifting pump station water inlet box culvert even water distribution |
| CN109610355A (en) * | 2019-01-16 | 2019-04-12 | 河海大学 | A kind of guarantee urban rainwater pumping plant expansion type water outlet box culvert goes out to flow uniform method |
| CN109680754A (en) * | 2019-02-02 | 2019-04-26 | 河海大学 | Improve the fairing and method of the water inlet box culvert water distribution of city water delivery pumping plant diffused |
| CN111172937A (en) * | 2020-02-23 | 2020-05-19 | 扬州大学 | T-shaped contact bottom hole structure and comprehensive rectification method thereof |
| CN112359954A (en) * | 2020-10-30 | 2021-02-12 | 上海市政工程设计研究总院（集团）有限公司 | Sewage lift pump house |
| CN113266057A (en) * | 2021-06-16 | 2021-08-17 | 清华大学 | Adjustable pump station water intake device |
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| CN107254866A (en) * | 2017-07-27 | 2017-10-17 | 扬州大学 | A kind of lock station convolution pumping plant rectification combined type control whirlpool facility |
| CN107327010B (en) * | 2017-07-28 | 2019-06-07 | 河海大学 | A method of improving the porous pumping plant Inlet flow pattern that becomes a mandarin |
| CN107327010A (en) * | 2017-07-28 | 2017-11-07 | 河海大学 | It is a kind of to improve the method for the porous pumping plant Inlet flow pattern that becomes a mandarin |
| AU2018305254B2 (en) * | 2017-07-28 | 2021-08-05 | Hohai University | Device for improving inlet flow pattern of multihole inflow pump station |
| WO2019019581A1 (en) * | 2017-07-28 | 2019-01-31 | 河海大学 | Method for improving inlet flow pattern of porous inflow pump station |
| CN108149769B (en) * | 2017-12-06 | 2019-07-05 | 河海大学 | A method of improving Urban Waterlogging pumping plant side unit Inlet flow pattern |
| CN108149769A (en) * | 2017-12-06 | 2018-06-12 | 河海大学 | A kind of method for improving Urban Waterlogging pumping plant side unit Inlet flow pattern |
| CN109024860A (en) * | 2018-08-13 | 2018-12-18 | 河海大学 | A method of ensureing multitube influent stream sewage lifting pump station water inlet box culvert even water distribution |
| CN109024860B (en) * | 2018-08-13 | 2019-08-20 | 河海大学 | A method of ensureing multitube influent stream sewage lifting pump station water inlet box culvert even water distribution |
| CN109610355A (en) * | 2019-01-16 | 2019-04-12 | 河海大学 | A kind of guarantee urban rainwater pumping plant expansion type water outlet box culvert goes out to flow uniform method |
| CN109610355B (en) * | 2019-01-16 | 2019-11-05 | 河海大学 | A kind of guarantee urban rainwater pumping plant expansion type water outlet box culvert goes out to flow uniform method |
| CN109680754A (en) * | 2019-02-02 | 2019-04-26 | 河海大学 | Improve the fairing and method of the water inlet box culvert water distribution of city water delivery pumping plant diffused |
| CN111172937A (en) * | 2020-02-23 | 2020-05-19 | 扬州大学 | T-shaped contact bottom hole structure and comprehensive rectification method thereof |
| CN112359954A (en) * | 2020-10-30 | 2021-02-12 | 上海市政工程设计研究总院（集团）有限公司 | Sewage lift pump house |
| CN113266057A (en) * | 2021-06-16 | 2021-08-17 | 清华大学 | Adjustable pump station water intake device |
| CN113266057B (en) * | 2021-06-16 | 2022-07-15 | 清华大学 | Adjustable pump station water intake device |
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