CN206157703U - Multistage orifice plate dissipation structure of lock water supply pipe - Google Patents

Multistage orifice plate dissipation structure of lock water supply pipe Download PDF

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Publication number
CN206157703U
CN206157703U CN201621212889.0U CN201621212889U CN206157703U CN 206157703 U CN206157703 U CN 206157703U CN 201621212889 U CN201621212889 U CN 201621212889U CN 206157703 U CN206157703 U CN 206157703U
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China
Prior art keywords
orifice plate
energy
section
water supply
multistage
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Expired - Fee Related
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CN201621212889.0U
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Chinese (zh)
Inventor
陈和春
夏伟
王继保
申其明
董瑞瑞
胡旭
陈艳超
向晨光
杨盼
宋基权
吴欢
李光浩
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China Three Gorges University CTGU
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China Three Gorges University CTGU
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Priority to CN201621212889.0U priority Critical patent/CN206157703U/en
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Abstract

The utility model relates to a multistage orifice plate dissipation structure of lock water supply pipe, it includes water supply pipe, water supply pipe internally mounted has upper portion bed course section, the lower extreme of upper portion bed course section is provided with multistage orifice plate section, the lower extreme of multistage orifice plate section is provided with the delivery port section, the lower extreme of delivery port section is provided with lower part bed course section, the length of upper portion bed course section, multistage orifice plate section, delivery port section and lower part bed course section is than being 16: 4: 5: 3. Be applied to high water head water supply pipe energy dissipation field, improved energy dissipation efficiency, optimized water manifold attitude.

Description

A kind of multistage orifice plate energy-dissipating structure of ship lock water supply line
Technical field
The utility model is related to a kind of multistage orifice plate energy-dissipating structure of ship lock water supply line, belongs to Hydraulic and Hydro-Power Engineering energy dissipating neck Domain.
Background technology
In order to improve the energy dissipating efficiency of ship lock high water head water supply line, in real work, designers would generally select Energy dissipation rate is improved by certain measure in the import position of current, middle part or exit site.Tradition solves certain The energy dissipating method of elevating head's filling-emptying system of lock, general with a few class Energy Dissipation Modes of hydraulic engineering flood-discharge tunnel, proposes pin The energy dissipating method of right high-lift lock water-carriage system.Be roughly divided into Scroll-tupe interior energy dissipator, vertical shaft type interior energy dissipator, sudden expansion dash forward Contracting formula interior energy dissipator and combined type interior energy dissipator etc..
1. Scroll-tupe interior energy dissipator and vertical shaft type interior energy dissipator, substantial amounts of air are mixed with due to the needs of energy dissipating, no The conveyance capacity of flow tube is only have impact on, and the water-air two phase flows of complexity are defined in flow tube, if not properly settled, Lock chamber flow condition can be deteriorated, ship lock causes potential safety hazard to berthing.
2. for though sudden expansion sudden contraction formula interior energy dissipator can preferably solve down to let out water velocity and lock chamber safety problem of berthing, Its own Cavitation Problems is serious, affects the service life even safety of water-carriage system.
3. combined type interior energy dissipator is interior energy dissipator composite type, and with regard to its research the starting stage is in, and has a lot Problem needs to go to improve and summarize.
First three is the Energy Dissipation Modes that current ship lock high water head water supply line is mainly adopted in this 4 kinds of methods, respectively there is excellent lacking Point.Therefore, the utility model proposes a kind of multistage orifice plate energy-dissipating structure of ship lock water supply line, overcomes traditional ship lock water-delivery system The unicity and limitation of system Energy Dissipation Modes, improves the deficiency of existing ship lock high water head water supply line energy dissipation type, carries significantly High energy dissipating efficiency, optimizes flow-shape, so as to the water surface is significantly in the erosion damage and lock chamber that eliminate lock chamber polycrystalline substance Radial gate vibration caused by degree fluctuation.
Utility model content
Mesh of the present utility model is to provide a kind of multistage orifice plate energy-dissipating structure of ship lock water supply line, is applied to high water head water supply Pipeline energy dissipation field, improves energy dissipating efficiency, optimizes flow shape.
In order to solve above-mentioned technical problem, the utility model proposes technical scheme below:A kind of ship lock water supply line is multistage Pore plate energy dissipation structure, it includes water supply line, top bed course section is provided with inside the water supply line, the top bed course section Lower end is provided with multistage orifice plate section, and the lower end of the multistage orifice plate section is provided with delivery port section, and the lower end of the delivery port section sets Bottom bed course section is equipped with, the length ratio of the top bed course section, multistage orifice plate section, delivery port section and bottom bed course section is 16:4: 5:3。
The multistage orifice plate section is made up of the energy-dissipation orifice plate of three pieces of consistency of thickness, the perforate number of first piece of energy-dissipation orifice plate It is different from second piece of energy-dissipation orifice plate and the 3rd piece of energy-dissipation orifice plate with aperture opening ratio;Second piece of energy-dissipation orifice plate and the 3rd piece of energy dissipating hole The perforate number of plate is identical with aperture opening ratio, its hole position distribution dislocation arrangement;Spacing water intaking stream between three pieces of energy-dissipation orifice plates recovers 3~4.5 times of length.
The 3rd piece of delivery port segment distance energy-dissipation orifice plate two current recover to be installed with pipe inner horizontal into 40 at length The duck tongue plate at degree inclination angle, duck tongue plate length is 5 with width ratio:3, and length is identical with energy-dissipation orifice plate diameter, thickness is energy dissipating hole The half of plate.
The multi―orifice energy dissipator and duck tongue plate all adopt same steel plate materialses.
The bottom bed course section is directly protruding into lock chamber water.
When the water supply line is installed, level up whole, water supply line is wrapped with several elastic tapes.
The utility model has the advantages that:
Strong turbulent fluctuation is produced using the current sudden contraction sudden expansion by orifice plate aperture, carrys out the huge water flow dynamic energy of dissipation, disappeared The most of kinetic energy for killing is converted into heat energy and walks with current;Using multistage pore plate energy dissipation, the multiple sudden contraction sudden expansion of current can be made and increased Plus effect of energy dissipation, the current that drop is big, undershoot flow velocity is fast can be solved within the specific limits;By the duck tongue arranged in delivery port section Plate can make the remittance water subfill area that current are concentrated, and can solve water injection manifold dispersion obtains the flow turbulence after the sudden expansion of aperture downstreams at different levels To certain alleviation, current shifting obtains appropriate control;And bottom water subfill section is stretched into inside lock chamber water body, water delivery is eliminated Starting stage can cause the erosion damage and later stage of lock chamber polycrystalline substance that the lock chamber water surface may be caused to fluctuate widely and lead Cause Gate Vibration Problems;Compared with traditional Energy Dissipation Modes, while increasing effect of energy dissipation, the excessively stream energy of lock chamber is not reduced Power.
Description of the drawings
With reference to the accompanying drawings and examples the utility model is described in further detail.
Fig. 1 is main sectional view of the present utility model.
Fig. 2 is the front view of first piece of energy-dissipation orifice plate of the utility model.
Fig. 3 is the Section A-A figure of first piece of energy-dissipation orifice plate in the utility model Fig. 2.
Fig. 4 is the front view of second piece of energy-dissipation orifice plate of the utility model.
Fig. 5 is the section B-B figure of second piece of energy-dissipation orifice plate in the utility model Fig. 2.
In figure:Top bed course section 1, multistage orifice plate section 2, delivery port section 3, bottom bed course section 4,5, first piece of energy dissipating of duck tongue plate 201, second piece of energy-dissipation orifice plate 202 of orifice plate, the 3rd piece of energy-dissipation orifice plate 203.
Specific embodiment
Embodiment of the present utility model is described further below in conjunction with the accompanying drawings.
Embodiment 1:
Such as Fig. 1-5, a kind of multistage orifice plate energy-dissipating structure of ship lock water supply line, it includes water supply line, the water supply line Inside is provided with top bed course section 1, and the lower end of the top bed course section 1 is provided with multistage orifice plate section 2, the multistage orifice plate section 2 Lower end be provided with delivery port section 3, the lower end of the delivery port section 3 is provided with bottom bed course section 4, the top bed course section 1, many The length ratio of level orifice plate section 2, delivery port section 3 and bottom bed course section 4 is 16:4:5:3.
Further, the multistage orifice plate section 2 is made up of the energy-dissipation orifice plate of three pieces of consistency of thickness, first piece of energy-dissipation orifice plate 201 perforate number and aperture opening ratio are different from second piece of energy-dissipation orifice plate 202 and the 3rd piece of energy-dissipation orifice plate 203;Described second piece disappears Energy orifice plate 202 is identical with aperture opening ratio with the perforate number of the 3rd piece of energy-dissipation orifice plate 203, its hole position distribution dislocation arrangement;Three pieces disappear Spacing water intaking stream between energy orifice plate recovers 3~4.5 times of length.
Further, the 3rd piece of the distance of delivery port section 3 energy-dissipation orifice plate 203 two current recover to install at length and pipe Into the duck tongue plate 5 at 40 degree of inclination angles, the length of duck tongue plate 5 is 5 with width ratio to inner horizontal:3, and length and energy-dissipation orifice plate diameter phase Together, thickness is the half of energy-dissipation orifice plate.
Further, the multi―orifice energy dissipator and duck tongue plate 5 all adopt same steel plate materialses.
Further, the bottom bed course section 4 is directly protruding into lock chamber water.
Further, when the water supply line is installed, level up whole, water supply line is wrapped with several elastic tapes.
Embodiment 2:
A kind of ship lock adopts the water supply line of multistage pore plate energy dissipation, including top bed course section, multistage orifice plate section, delivery port section And bottom bed course section, the length ratio of top bed course section, multistage orifice plate section, delivery port section and bottom bed course section is 16:4:5: 3;Spacing water intaking stream between each orifice plate recovers 3 times of length, and orifice plate thickness determines jointly according to head height and flow rate of water flow, Orifice plate diameter 1000mm;Duck tongue plate length is 5 with width ratio:3, and length is identical with energy-dissipation orifice plate diameter, thickness is energy dissipating hole The half of plate;Energy-dissipation orifice plate adopts cold-rolled steel sheet with duck tongue plate.
Embodiment 3:
A kind of ship lock adopts the water supply line of multistage pore plate energy dissipation, including top bed course section, multistage orifice plate section, delivery port section And bottom bed course section, the length ratio of top bed course section, multistage orifice plate section, delivery port section and bottom bed course section is 16:4:5: 3;3.5 times of spacing water intaking stream recovery length between each orifice plate, orifice plate thickness 30mm, orifice plate thickness is according to head height and water Flow flow velocity to determine jointly, orifice plate diameter 1200mm;Duck tongue plate length is 5 with width ratio:3, and length and energy-dissipation orifice plate diameter phase Together, thickness is the half of energy-dissipation orifice plate;Energy-dissipation orifice plate adopts Al-Zn coated steel with duck tongue plate.
Embodiment 4:
A kind of ship lock adopts the water supply line of multistage pore plate energy dissipation, including top bed course section, multistage orifice plate section, delivery port section And bottom bed course section, the length ratio of top bed course section, multistage orifice plate section, delivery port section and bottom bed course section is 16:4:5: 3;Spacing water intaking stream between each orifice plate recovers 4 times of length, and orifice plate thickness determines jointly according to head height and flow rate of water flow, hole Board diameter 1300mm;Duck tongue plate length is 5 with width ratio:3, and length is identical with energy-dissipation orifice plate diameter, thickness is energy-dissipation orifice plate Half;Energy-dissipation orifice plate is with duck tongue plate using calm steel plate.
Embodiment 5:
A kind of ship lock adopts the water supply line of multistage pore plate energy dissipation, including top bed course section, multistage orifice plate section, delivery port section And bottom bed course section, the length ratio of top bed course section, multistage orifice plate section, delivery port section and bottom bed course section is 16:4:5: 3;Spacing water intaking stream between each orifice plate recovers 4.5 times of length, and orifice plate thickness is jointly true according to head height and flow rate of water flow It is fixed, orifice plate diameter 1500mm;Duck tongue plate length is 5 with width ratio:3, and length is identical with energy-dissipation orifice plate diameter, thickness is energy dissipating The half of orifice plate;Energy-dissipation orifice plate adopts Fine Steel Casting iron plate with duck tongue plate.
By above-mentioned description, those skilled in the art completely can be without departing from this utility model technological thought In the range of, carry out various change and modification all within protection domain of the present utility model.It is of the present utility model most Matters, belong to the common knowledge of those skilled in the art.

Claims (5)

1. the multistage orifice plate energy-dissipating structure of a kind of ship lock water supply line, it is characterised in that:It includes water supply line, the water supply line Inside is provided with top bed course section(1), the top bed course section(1)Lower end be provided with multistage orifice plate section(2), the multi-stage porous Plate section(2)Lower end be provided with delivery port section(3), the delivery port section(3)Lower end be provided with bottom bed course section(4), it is described Top bed course section(1), multistage orifice plate section(2), delivery port section(3)With bottom bed course section(4)Length ratio be 16:4:5:3;
The multistage orifice plate section(2)It is made up of the energy-dissipation orifice plate of three pieces of consistency of thickness, first piece of energy-dissipation orifice plate(201)Perforate Number and aperture opening ratio and second piece of energy-dissipation orifice plate(202)With the 3rd piece of energy-dissipation orifice plate(203)It is different;Second piece of energy-dissipation orifice plate (202)With the 3rd piece of energy-dissipation orifice plate(203)Perforate number it is identical with aperture opening ratio, its hole position distribution dislocation arrangement;Three pieces of energy dissipatings Spacing water intaking stream between orifice plate recovers 3~4.5 times of length.
2. the multistage orifice plate energy-dissipating structure of a kind of ship lock water supply line according to claim 1, it is characterised in that:The water outlet Mouth section(3)The 3rd piece of energy-dissipation orifice plate of distance(203)Two current recover to be installed at length with pipe inner horizontal into 40 degree of inclination angles Duck tongue plate(5), duck tongue plate(5)Length is 5 with width ratio:3, and length is identical with energy-dissipation orifice plate diameter, thickness is energy-dissipation orifice plate Half.
3. the multistage orifice plate energy-dissipating structure of a kind of ship lock water supply line according to claim 2, it is characterised in that:It is described multistage Energy-dissipation orifice plate and duck tongue plate(5)All adopt same steel plate materialses.
4. the multistage orifice plate energy-dissipating structure of a kind of ship lock water supply line according to claim 1, it is characterised in that:The bottom Bed course section(4)In being directly protruding into lock chamber water.
5. the multistage orifice plate energy-dissipating structure of a kind of ship lock water supply line according to claim 1, it is characterised in that:The water supply During Pipe installing, level up whole, water supply line is wrapped with several elastic tapes.
CN201621212889.0U 2016-11-10 2016-11-10 Multistage orifice plate dissipation structure of lock water supply pipe Expired - Fee Related CN206157703U (en)

Priority Applications (1)

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Application Number Priority Date Filing Date Title
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111088786A (en) * 2019-12-20 2020-05-01 重庆交通大学 Double-layer staggered-hole energy dissipation cabin for ship lock
CN111121854A (en) * 2019-12-31 2020-05-08 南昌工程学院 Device for measuring energy dissipation rate of trajectory jet energy dissipater and using method
CN113585396A (en) * 2021-09-10 2021-11-02 濮阳市水利勘测设计院 Hydraulic engineering is with going out pond pump station structure

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111088786A (en) * 2019-12-20 2020-05-01 重庆交通大学 Double-layer staggered-hole energy dissipation cabin for ship lock
CN111088786B (en) * 2019-12-20 2021-07-27 重庆交通大学 Double-layer staggered-hole energy dissipation cabin for ship lock
CN111121854A (en) * 2019-12-31 2020-05-08 南昌工程学院 Device for measuring energy dissipation rate of trajectory jet energy dissipater and using method
CN113585396A (en) * 2021-09-10 2021-11-02 濮阳市水利勘测设计院 Hydraulic engineering is with going out pond pump station structure

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20170510

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