Diffusion and collection type reverse flow energy dissipation drop well
A technology for water drop wells and energy dissipation, which is applied in waterway systems, water supply devices, drainage structures, etc., and can solve the problems of limited drop wells and energy superposition
Active Publication Date: 2019-03-26
广东智铭设计有限公司
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Problems solved by technology
The beneficial effect is: it overcomes the defects in the prior art that the water flows in the same direction in the large-diameter drop well, the energy is continuously superimposed, and the drop of the drop well is limited
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Embodiment Construction
[0014] In the implementation of the present invention, the structural size of the water drop well should be determined according to the pipe diameter and drop of the upstream and downstream pipelines.
[0015] The elevation view of the present invention is shown in figure 1 . Diffusion-collection type reverse flow energy dissipation drop well is mainly composed of wellbore 1, water inlet pipe 2, water outlet pipe 3, water distribution groove 4, side orifice plate 5, middle orifice plate 6, flow groove 7, and water distribution port 8. The upper part of the wellbore 1 and the water inlet pipe 2 are connected with a water distribution groove 4. The water distribution groove 4 surrounds the well body 1. The water distribution groove 4 is provided with a water distribution port 8 toward the center of the wellbore 1. A diversion weir 11 is provided at the position of the water distribution tank 4 facing the water inlet pipe 2 . The plan view of distribution tank 4 is shown in f...
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The invention discloses a diffusion and collection type reverse flow and energy dissipation drop well, and relates to the field of drainage and hydraulic engineering, in particular to urban drainage pipelines and structures achieving drop energy dissipation in hydraulic engineering. The drop well is mainly composed of a shaft, a water inlet pipe, a water outlet pipe, a water distribution trough, a side hole plate, a center hole plate, a runner and a water distribution opening. Water flow adopts diffusion and collection modes repeatedly in the drop well, when the water flow is diffused, the kinetic energy is decomposed to the surrounding, the water flow dispersion and energy dissipation effects are achieved, when dropping to the next level, the water flow is collected to the middle from the surrounding, the water flow hedge is formed in the middle of the drop well, the water flow energy in all the direction is same in size and opposite in direction, and the energy is reduced by means of the water flow. The drop well is suitable for the drainage pipelines and drop structures large in flow and fall in the hydraulic engineering.
Description
technical field [0001] The invention relates to a diffusion-collection type reverse-flow energy-dissipating water drop well, which relates to the fields of drainage engineering and water conservancy engineering, in particular to urban drainage pipes and structures for water-dropping and energy-dissipating water conservancy projects. Background technique [0002] When the drop of the drainage pipeline is large, a water drop well needs to be set up. In the design of drainage pipelines in the prior art, standard drawings are generally used for water drop wells. The water drop wells in the current national standard drawing "06MS201 Municipal Drainage Pipeline Engineering and Ancillary Facilities", the water drop wells with a pipe diameter of 700-1650mm adopt stepped water drop wells. , the maximum drop is 2m, the stepped water well with 2m drop, and the length of the well reaches 4m. In practical engineering, it is also common for the upstream and downstream pipelines to have a...
Claims
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IPC IPC(8): E03F5/02
CPCE03F5/02
Inventor 杜少平刘双时永生张攀罗国荣刘建华
Owner 广东智铭设计有限公司