Combined rectifying device for improving inlet flow patterns of urban rainwater pump stations

A rectifying device and a combined technology, applied in water supply devices, waterway systems, drainage structures, etc., can solve the problems of centering the mainstream, difficult to ensure the safety of water inlet conditions of urban rainwater pumping stations, and uneven distribution of water flow velocity, and achieve a simple structure. , to ensure the effect of safe, efficient and stable operation

Active Publication Date: 2017-05-31
HOHAI UNIV
View PDF3 Cites 17 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, for urban rainwater pumping stations with an overly compact structure, especially when the rainwater main pipe adopts an oblique inflow form, the water inlet system of the pumping station generally has the center of the mainstream in the gate well, the uneven distribution of water flow velocity in the in

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Combined rectifying device for improving inlet flow patterns of urban rainwater pump stations
  • Combined rectifying device for improving inlet flow patterns of urban rainwater pump stations
  • Combined rectifying device for improving inlet flow patterns of urban rainwater pump stations

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0039] Such as image 3 As shown, for a city rainwater pumping station that adopts the form of oblique inflow, its water intake structures include rainwater main pipe 5, gate well 6, water inlet box culvert 7, water inlet box culvert upper side pier 10, water inlet box culvert The lower side pier 11, the water inlet hole 8 on the upper side of the water inlet box culvert, the water inlet hole 9 on the lower side of the water inlet box culvert, the sump 12, the water pump unit 13, and the gate well 6, which is composed of the beam 1, the main branch A combined rectification device composed of diversion piers 2, upper diversion diversion piers 3 and lower diversion diversion piers 4. The radius R of the gate well of the pumping station is 5.0m, and the angle between the rainwater main pipe and the center line of the inlet box culvert β is 20°. The length of each crossbeam is 10m, the width is 0.6m, the height is 0.5m, the distance between each crossbeam is 0.35m, and the eleva...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

PropertyMeasurementUnit
Radiusaaaaaaaaaa
Heightaaaaaaaaaa
Login to view more

Abstract

The invention discloses a combined rectifying device for improving inlet flow patterns of urban rainwater pump stations. The rectifying device is arranged inside a gate well. The gate well is arranged between a rainwater main pipe and an inlet water box culvert. The radius of the gate well is R. The rectifying device comprises a beam, a main flow dividing and guiding pier, an upper flow dividing and guiding pier and a lower flow dividing and guiding pier. The combined rectifying device can effectively homogenize the flow velocity distribution of the flow from the rainwater main pipe into the gate well on the horizontal and vertical faces, and homogenize the water flowing in the inlet water box culvert and the water collecting tank in the rainwater pump stations, which can solve a series of unhealthy hydraulic flow problems that mainstream inside the gate well is in the middle, the flow velocity distribution in the inlet water box culvert is uneven, inflow in the water collecting tank is bias and the like. It is guaranteed that the urban rainwater pump stations have good inlet flow conditions. The device has a great significance in ensuring the safe, efficient and stable operation of pump stations and pump units.

Description

technical field [0001] The invention belongs to the technical field of water conservancy projects and municipal engineering pumping stations, and in particular relates to a combined rectifying device for improving the water inlet flow state of urban rainwater pumping stations. Background technique [0002] Setting up rainwater pumping stations in urban drainage systems plays an important role in preventing urban waterlogging. The urban rainwater pumping station mainly includes rainwater mains, gate wells, water inlet box culverts, grid wells, sump tanks and other water inlet structures. Due to the constraints of urban planning, terrain, scale and other conditions, the rainwater pumping station needs to minimize the occupied area and the impact on the surrounding environment. Therefore, the structure of the intake buildings of urban rainwater pumping stations is often small and tight, and it is difficult to arrange them in accordance with the requirements of good hydraulic c...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
IPC IPC(8): E03F5/22
CPCE03F5/22
Inventor 张睿周春天陈毓陵冯建刚王晓升
Owner HOHAI UNIV
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap