CN110029619A - It is a kind of for there is the foam inhibition device of down stream flowing line - Google Patents

It is a kind of for there is the foam inhibition device of down stream flowing line Download PDF

Info

Publication number
CN110029619A
CN110029619A CN201910190530.XA CN201910190530A CN110029619A CN 110029619 A CN110029619 A CN 110029619A CN 201910190530 A CN201910190530 A CN 201910190530A CN 110029619 A CN110029619 A CN 110029619A
Authority
CN
China
Prior art keywords
defoaming
plate
partition wall
defoaming plate
cavity
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910190530.XA
Other languages
Chinese (zh)
Inventor
黄本胜
郭磊
邱静
赵璧奎
黄锋华
雷洪成
洪昌红
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Research Institute of Water Resources and Hydropower
Original Assignee
Guangdong Research Institute of Water Resources and Hydropower
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangdong Research Institute of Water Resources and Hydropower filed Critical Guangdong Research Institute of Water Resources and Hydropower
Priority to CN201910190530.XA priority Critical patent/CN110029619A/en
Publication of CN110029619A publication Critical patent/CN110029619A/en
Pending legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B1/00Equipment or apparatus for, or methods of, general hydraulic engineering, e.g. protection of constructions against ice-strains
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F1/00Methods, systems, or installations for draining-off sewage or storm water
    • E03F1/001Methods, systems, or installations for draining-off sewage or storm water into a body of water

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Degasification And Air Bubble Elimination (AREA)

Abstract

The invention discloses a kind of for having the foam inhibition device of down stream flowing line, including cavity, several defoaming plates and several partition walls;Cavity is equipped with inlet and outlet, and each partition wall is arranged between water inlet and water outlet, and defoaming plate is located between the side of partition wall and the bottom of cavity, and defoaming plate is equipped with several defoaming holes, the two sides of defoaming hole perforation defoaming plate;The height on the top for each partition wall being sequentially arranged from water inlet to water outlet gradually rises.The utility model has the advantages that defoaming hole can slow down water flow fall speed, be conducive to that foam is inhibited to generate.The height on each partition wall top gradually rises, and water flow can be made from high water head to low water head smooth transition, is conducive to inhibit down stream aeration.Partition walls at different levels can cope with the flow of different stage, make foam inhibition device that can keep stable foam inhibition effect in various operating conditions.The present invention relates to waterworks.

Description

It is a kind of for there is the foam inhibition device of down stream flowing line
Technical field
It is the present invention relates to waterwork, in particular to a kind of for there is the foam inhibition device of down stream flowing line.
Background technique
Part Coastal Power Plant is because of design and place cloth restriction, and cooling water draining is often using the side secretly contained over long distances Often there is drop-down section in drainage flow path because of the elevation design of drainage flow path upstream and downstream in formula.The flow-shape of drop-down section is outside It is in free overflow state when extra large low tide, is under the high tide level operating condition of off-lying sea and floods stream mode out.In free discharge state It is easy to produce under operating condition, at down stream and is largely not easy the yellowish-brown foam crumbled and fall.Yellowish-brown foam is discharged into surrounding waters with water flow Water body, can be to artificial panic at the pollution of a degree of sense organ and psychology.
In the prior art, general foam inhibition means have two major classes.One is defoaming agent is used, this mode is simple and efficient, But expense is huge, and this mode be easy to cause secondary pollution.In addition, not only being defoamed for having down stream flowing line The dispensing design of agent is complex, and because often flow velocity is larger for down stream section, defoaming agent cannot give full play to its defoaming effect.
Another method is to carry out foam inhibition using engineering measure, its main feature is that working well, persistently, expense is low.Currently, About defoaming engineering measure and structure design there has been no relevant codes and standards, most of defoaming engineering designs all have centainly Limitation.
In the prior art, defoaming design library part editor and reuse fails to take different degrees of foam inhibition measure for the flow of different stage, Foam inhibition effect stability is poor in the operating condition of different flow.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of for there is the foam inhibition device of down stream flowing line, can be directed to The down stream flow of different stage carries out foam inhibition.
Used technical solution to solve above-mentioned technical problem:
It is a kind of for having the foam inhibition device of down stream flowing line, including cavity, several defoaming plates and several partition walls;On cavity Equipped with inlet and outlet, each partition wall is arranged between water inlet and water outlet, and defoaming plate is located at side and the chamber of partition wall Between the bottom of body, defoaming plate is equipped with several defoaming holes, the two sides of defoaming hole perforation defoaming plate;From water inlet to water outlet according to The height on the top of each partition wall of secondary arrangement gradually rises.
As an improvement, partition wall includes the first partition wall, defoaming plate includes the first defoaming plate;First defoaming plate is not higher than water inlet Mouthful, the first defoaming plate is located between water inlet and the first partition wall.
As an improvement, the top of the first defoaming plate is equipped with several defoaming beams, defoaming beam traverses cavity, and defoaming beam includes several First defoaming beam and several second defoaming beams;First defoaming beam cross sectional shape be it is trapezoidal, second defoaming beam cross sectional shape be Rectangle.
As an improvement, partition wall includes the second partition wall, defoaming plate includes that the second defoaming plate and third defoam plate;Second partition wall is set Between the first partition wall and water outlet, the second defoaming plate and third defoaming plate are located between the first partition wall and the second partition wall, third It defoams plate and is higher than the second defoaming plate, third defoams the conveyance capacity of plate no more than the second defoaming plate.
As an improvement, defoaming plate includes the 4th defoaming plate and the 5th defoaming plate;The one of 5th defoaming plate and the 4th defoaming plate Hold with the first partition wall intersect and the other end of the 5th defoaming plate and the 4th defoaming plate is outstanding between the first partition wall and the second partition wall Sky, the 5th defoaming plate are higher than the 4th defoaming plate, and the height of the 5th defoaming plate is concordant with the top of the first partition wall.
As an improvement, hanging one end of the 5th defoaming plate and the 4th defoaming plate is respectively equipped with convex edge, the 5th is defoamed on plate The top of convex edge is higher than the 5th defoaming plate, and the top of the convex edge on the 4th defoaming plate is higher than the 4th defoaming plate.
As an improvement, defoaming beam includes several third defoaming beams;The cross sectional shape that third defoams beam is rectangle, third defoaming Beam is arranged between the first partition wall and the second partition wall.
As an improvement, partition wall includes third partition wall, defoaming plate includes the 6th defoaming plate and the 7th defoaming plate;Third partition wall is set Between the second partition wall and water outlet, the 6th defoaming plate and the 7th defoaming plate are arranged between the second partition wall and third partition wall;The Seven defoaming plates are higher than the 6th defoaming plate, and the 6th defoaming plate is higher than third and defoams plate.
As an improvement, being equipped with transition face between the bottom and water outlet of cavity, transition face is from the bottom of cavity to water outlet Direction gradually rise.
As an improvement, being equipped with transitional module in cavity, transition face is located at the top of transitional module, transitional module and cavity it Between be equipped with several anchor ribs, anchor rib is embedded in the joint of transitional module and cavity.
The utility model has the advantages that defoaming hole can slow down water flow fall speed, be conducive to that foam is inhibited to generate.Each partition wall top Height gradually rises, and water flow can be made from high water head to low water head smooth transition, is conducive to inhibit down stream aeration.Partition walls at different levels can answer To the flow of different stage, make foam inhibition device that can keep stable foam inhibition effect in various operating conditions.
Detailed description of the invention
Following further describes the present invention with reference to the drawings:
Fig. 1 is the structural schematic diagram of the embodiment of the present invention 1;
Fig. 2 is the arrangement schematic diagram in the defoaming hole on the first defoaming plate of the embodiment of the present invention 1;
Fig. 3 is the arrangement schematic diagram in the defoaming hole on the second defoaming plate of the embodiment of the present invention 1;
Fig. 4 is the arrangement schematic diagram in the defoaming hole that the third of the embodiment of the present invention 1 defoams on plate;
Fig. 5 is the arrangement schematic diagram in the defoaming hole on the 4th defoaming plate of the embodiment of the present invention 1;
Fig. 6 is the arrangement schematic diagram in the defoaming hole on the 5th defoaming plate of the embodiment of the present invention 1;
Fig. 7 is the arrangement schematic diagram in the defoaming hole on the 6th defoaming plate of the embodiment of the present invention 1;
Fig. 8 is the arrangement schematic diagram in the defoaming hole on the 7th defoaming plate of the embodiment of the present invention 1;
Fig. 9 is the structural schematic diagram of the embodiment of the present invention 2.
Specific embodiment
Embodiment 1:
It is a kind of for there is the foam inhibition device of down stream flowing line referring to figs. 1 to 8, if including cavity 1, several defoaming plates and Dry partition wall;Cavity 1 is equipped with water inlet 2 and water outlet 3, and each partition wall is arranged between water inlet 2 and water outlet 3, defoams plate It is located between the side of partition wall and the bottom of cavity 1, defoaming plate is equipped with several defoaming holes 4, and the perforation of defoaming hole 4 defoams the two of plate Face;The height on the top for each partition wall being sequentially arranged from water inlet 2 to water outlet 3 gradually rises.
As an improvement, partition wall includes the first partition wall 5, defoaming plate includes the first defoaming plate 6;First defoaming plate 6 be not higher than into The mouth of a river 2, the first defoaming plate 6 are located between water inlet 2 and the first partition wall 5.
As an improvement, the top of the first defoaming plate 6 is equipped with several defoaming beams, defoaming beam traverses cavity 1, if defoaming beam includes Dry first defoaming beam 7 and several second defoaming beams 8;The cross sectional shape of first defoaming beam 7 is trapezoidal, the section of the second defoaming beam 8 Shape is rectangle.
As an improvement, partition wall includes the second partition wall 9, defoaming plate includes that the second defoaming plate 10 and third defoam plate 11;Second Partition wall 9 is located between the first partition wall 5 and water outlet 3, and the second defoaming plate 10 and third defoaming plate 11 are located at the first partition wall 5 and second Between partition wall 9, third defoams plate 11 and is higher than the second defoaming plate 10, and third defoams the conveyance capacity of plate 11 no more than the second defoaming plate 10。
As an improvement, defoaming plate includes the 4th defoaming plate 12 and the 5th defoaming plate 13;5th defoaming plate 13 and the 4th defoaming One end of plate 12 and the first partition wall 5 intersect and the other end of the 5th defoaming plate 13 and the 4th defoaming plate 12 the first partition wall 5 with Hanging between second partition wall 9, the 5th defoaming plate 13 is higher than the 4th defoaming plate 12, the height and the first partition wall 5 of the 5th defoaming plate 13 Top it is concordant.
As an improvement, hanging one end of the 5th defoaming plate 13 and the 4th defoaming plate 12 is respectively equipped with convex edge 14, the 5th defoaming The top of convex edge 14 on plate 13 is higher than the 5th defoaming plate 13, and the top of the convex edge 14 on the 4th defoaming plate 12 is higher than the 4th defoaming Plate 12.
As an improvement, defoaming beam includes several third defoaming beams 15;The cross sectional shape that third defoams beam 15 is rectangle, third Defoaming beam 15 is arranged between the first partition wall 5 and the second partition wall 9.
As an improvement, partition wall includes third partition wall 16, defoaming plate includes the 6th defoaming plate 17 and the 7th defoaming plate 18;Third Partition wall 16 is located between the second partition wall 9 and water outlet 3, the 6th defoaming plate 17 and the 7th defoaming plate 18 be arranged in the second partition wall 9 with Between third partition wall 16;7th defoaming plate 18 is higher than the 6th defoaming plate 17, and the 6th defoaming plate 17 is higher than third and defoams plate 11.
As an improvement, between the bottom and water outlet 3 of cavity 1 be equipped with transition face 19, transition face 19 from the bottom of cavity 1 to The direction of water outlet 3 gradually rises.
The water inlet 2 of the present embodiment is higher than water outlet 3, and the water flow entered from water inlet 2 is the high water head in drainage flow path Water flow, the water flow being discharged from water outlet 3 are the low water head water flow in drainage flow path.
Preferably, the cavity 1 of the present embodiment is the cabinet that section is rectangle, but the shape of cavity 1 is without being limited thereto.
What defoaming hole 4 can slow down water flow falls speed, is conducive to that foam is inhibited to generate.
The height on each partition wall top gradually rises, and water flow can be made from high water head to low water head smooth transition, is conducive to press down Down stream aeration processed.Partition walls at different levels can cope with the flow of different stage, make foam inhibition device that can keep stable in various operating conditions Foam inhibition effect.
The technical program can be widely applied in the engineering containing drop aeration flowing line, especially suitable for Coastal Power Plant The huge operating condition of off-lying sea tidal range.The technical program has good conveyance capacity and foam inhibition ability, and structure is simple, construction It is convenient, be conducive to inhibit bad secondary fluidised form.
If the radial dimension of water inlet 2 is d, water inlet 2 and the distance between 1 bottom of the cavity D1 of the present embodiment is not less than 2 times of d, and D1 is not more than 2.5 times of d, the length L1 of the first defoaming plate 6 is not less than 6 times of d.
First defoaming plate 6 is not higher than water inlet 2, and the first partition wall 5 can slow down the speed of water flow, is conducive to that foam is inhibited to produce It is raw.
When D1 and L1 disclosed in the present embodiment make smaller by the flow of water inlet 2, water flow can pass through the first defoaming plate 6 Defoaming hole 4 drops into the bottom of cavity 1 and is discharged by water outlet 3.The size of first defoaming plate 6 and the first partition wall 5 is according to week The many years mean tide tlevel of side ocean determines, makes the water flow in cavity 1 that can be constrained on the first defoaming plate 6 and first in most cases Between partition wall 5.
Towards water inlet 2, the first defoaming beam 7 is larger-size for the first defoaming lesser side of 7 size of beam of the present embodiment Towards water outlet 3, the sectional dimension of the second defoaming beam 8 is 0.2m × 0.2m for side.
Defoaming beam cross sectional shape be not limited to trapezoidal and rectangle, can also be circle, ellipse, triangle, diamond shape, in parallel The shape of quadrangle, polygon or other beams in the prior art.
The quantity of the first defoaming beam 7 of the present embodiment is one, and the quantity of the second defoaming beam 8 is four, each defoaming beam Arrangement form it is as shown in Figure 1.The defoaming beam arrangement form of the present embodiment is determining according to test.This defoaming beam arrangement form There are constraint and restriction effect to 2 water flow of water inlet, and bad vortex fluidised form of the water flow by defoaming plate when can be reduced, favorably In reduction water flow aeration situation.
The combination of the second defoaming plate 10 and third defoaming plate 11 of the present embodiment pass through the water flow for crossing the first partition wall 5 can Second defoaming plate 10 and third defoaming plate 11 drop into the bottom of cavity 1, are conducive to that foam is inhibited to generate.
The second defoaming plate 10 of the present embodiment and the length L2 of third defoaming plate 11 are equal to d, the length of the 4th defoaming plate 12 Equal to 1/4 times d, the length of the 5th defoaming plate 13 are 1/8 times of d, and d is the radial dimension of water inlet 2.5th defoaming plate 13 and the 4th The one end for defoaming plate 12 is hanging, is conducive to the water flow overflow discharge for crossing the first partition wall 5.
Convex edge 14 hoists protrusion, can play restriction effect to the water flow on the 5th defoaming plate 13 and the 4th defoaming plate 12, Be conducive to that water flow is made to pass through the 5th defoaming plate 13 and the 4th defoaming plate 12.
The arrangement that third defoams beam 15 is determined according to test.The quantity of the third defoaming beam 15 of the present embodiment is two A, third defoams the arrangement form of beam 15 as shown in Figure 1, the sectional dimension of third defoaming beam 15 is 0.2m × 0.2m.
The length L3 of the 6th defoaming plate 17 of the present embodiment and the 7th defoaming plate 18 is equal to d, and d is the radial ruler of water inlet 2 It is very little.The 6th defoaming plate 17 of the present embodiment is higher than third and defoams plate 11, and the conveyance capacity of the 7th defoaming plate 18 disappears no more than the 6th Plate 17 is steeped, is conducive to that water flow is inhibited to generate foam when falling.
The transition face 19 of the present embodiment is gentle slope shape, and the gradient is 1:2 to 1:2.5, but the shape of transition face 19 is without being limited thereto. Transition face 19 can substantially reduce the head loss of water flow, be conducive to reduce foam inhibition device to the resistance of water flow.
Embodiment 2:
As shown in figure 9, the present embodiment the difference from embodiment 1 is that, transitional module 20, transition face 19 are equipped in cavity 1 It is located at the top of transitional module 20, several anchor ribs 21 are equipped between transitional module 20 and cavity 1, anchor rib 21 is embedded in transition The joint of module 20 and cavity 1.
Embodiments of the present invention are explained in detail above in conjunction with attached drawing, but the present invention is not limited to above-mentioned embodiment party Formula, technical field those of ordinary skill within the scope of knowledge, can also be before not departing from present inventive concept Put that various changes can be made.

Claims (10)

1. a kind of for there is the foam inhibition device of down stream flowing line, it is characterised in that: including cavity, several defoaming plates and it is several every Wall;The cavity is equipped with inlet and outlet, and each partition wall is arranged between the water inlet and water outlet, described Defoaming plate is located between the side of the partition wall and the bottom of the cavity, and defoaming plate is equipped with several defoaming holes, and defoaming hole is passed through Lead to the two sides of the defoaming plate;The height on the top for each partition wall being sequentially arranged from the water inlet to the water outlet It gradually rises.
2. according to claim 1 a kind of for there is the foam inhibition device of down stream flowing line, it is characterised in that: the partition wall Including the first partition wall, the defoaming plate includes the first defoaming plate;It is described first defoaming plate be not higher than the water inlet, described first Defoaming plate is located between the water inlet and first partition wall.
3. according to claim 2 a kind of for there is the foam inhibition device of down stream flowing line, it is characterised in that: described first The top for defoaming plate is equipped with several defoaming beams, and defoaming beam traverses the cavity, and defoaming beam includes several first defoaming beams and several Second defoaming beam;It is described first defoaming beam cross sectional shape be it is trapezoidal, it is described second defoaming beam cross sectional shape be rectangle.
4. according to claim 3 a kind of for there is the foam inhibition device of down stream flowing line, it is characterised in that: the partition wall Including the second partition wall, the defoaming plate includes that the second defoaming plate and third defoam plate;Second partition wall be located at described first every Between wall and the water outlet, the second defoaming plate and third defoaming plate be located at first partition wall and second partition wall it Between, the third defoaming plate is higher than the second defoaming plate, and the conveyance capacity of the third defoaming plate disappears no more than described second Steep plate.
5. according to claim 4 a kind of for there is the foam inhibition device of down stream flowing line, it is characterised in that: the defoaming Plate includes the 4th defoaming plate and the 5th defoaming plate;It is described 5th defoaming plate and it is described 4th defoaming plate one end with described first every The other end of the intersection of wall and the 5th defoaming plate and the 4th defoaming plate is hanging between first partition wall and second partition wall, The 5th defoaming plate is higher than the 4th defoaming plate, the height of the 5th defoaming plate and the top flat of first partition wall Together.
6. according to claim 5 a kind of for there is the foam inhibition device of down stream flowing line, it is characterised in that: the described 5th Hanging one end of defoaming plate and the 4th defoaming plate is respectively equipped with convex edge, and the top of the convex edge on the 5th defoaming plate is higher than the 5th Plate is defoamed, the top of the convex edge on the 4th defoaming plate is higher than the 4th defoaming plate.
7. according to claim 6 a kind of for there is the foam inhibition device of down stream flowing line, it is characterised in that: the defoaming Beam includes several third defoaming beams;The cross sectional shape of the third defoaming beam is rectangle, and the third defoaming beam is arranged in described Between first partition wall and second partition wall.
8. according to claim 7 a kind of for there is the foam inhibition device of down stream flowing line, it is characterised in that: the partition wall Including third partition wall, the defoaming plate includes the 6th defoaming plate and the 7th defoaming plate;The third partition wall be located at described second every Between wall and the water outlet, the 6th defoaming plate and the 7th defoaming plate are arranged in second partition wall and the third partition wall Between;The 7th defoaming plate is higher than the 6th defoaming plate, and the 6th defoaming plate is higher than the third and defoams plate.
9. feature exists according to claim 1 to a kind of for there is the foam inhibition device of down stream flowing line described in 8 any one In: transition face is equipped between the bottom and the water outlet of the cavity, transition face is from the bottom of the cavity to the water outlet The direction of mouth gradually rises.
10. according to claim 9 a kind of for there is the foam inhibition device of down stream flowing line, it is characterised in that: the chamber It is equipped with transitional module in vivo, the transition face is located at the top of the transitional module, between the transitional module and the cavity Equipped with several anchor ribs, anchor rib is embedded in the joint of the transitional module Yu the cavity.
CN201910190530.XA 2019-03-13 2019-03-13 It is a kind of for there is the foam inhibition device of down stream flowing line Pending CN110029619A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910190530.XA CN110029619A (en) 2019-03-13 2019-03-13 It is a kind of for there is the foam inhibition device of down stream flowing line

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910190530.XA CN110029619A (en) 2019-03-13 2019-03-13 It is a kind of for there is the foam inhibition device of down stream flowing line

Publications (1)

Publication Number Publication Date
CN110029619A true CN110029619A (en) 2019-07-19

Family

ID=67235999

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910190530.XA Pending CN110029619A (en) 2019-03-13 2019-03-13 It is a kind of for there is the foam inhibition device of down stream flowing line

Country Status (1)

Country Link
CN (1) CN110029619A (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001004787A (en) * 1999-06-25 2001-01-12 Taisei Corp Structure of water discharge pit
JP2008127914A (en) * 2006-11-22 2008-06-05 Mitsubishi Heavy Ind Ltd Bubbling preventing device
CN201520953U (en) * 2009-10-12 2010-07-07 天津市水利勘测设计院 Gravity pressure water conveyer with automatic regulation weir well
CN102966080A (en) * 2012-11-09 2013-03-13 广东省水利水电科学研究院 Novel salt spray defoaming facility for thermal power plant and nuclear power plant
CN204644990U (en) * 2015-04-28 2015-09-16 珠江水利委员会珠江水利科学研究院 A kind of vertical shaft energy-dissipating structure
CN105862683A (en) * 2016-04-22 2016-08-17 广东省水利水电科学研究院 Multi-layer and multi-order pore plate used for reducing aeration and restraining bubbles and rapid construction method for multi-layer and multi-order pore plate
CN210066621U (en) * 2019-03-13 2020-02-14 广东省水利水电科学研究院 Foam inhibition device for drop flow drainage pipeline

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001004787A (en) * 1999-06-25 2001-01-12 Taisei Corp Structure of water discharge pit
JP2008127914A (en) * 2006-11-22 2008-06-05 Mitsubishi Heavy Ind Ltd Bubbling preventing device
CN201520953U (en) * 2009-10-12 2010-07-07 天津市水利勘测设计院 Gravity pressure water conveyer with automatic regulation weir well
CN102966080A (en) * 2012-11-09 2013-03-13 广东省水利水电科学研究院 Novel salt spray defoaming facility for thermal power plant and nuclear power plant
CN204644990U (en) * 2015-04-28 2015-09-16 珠江水利委员会珠江水利科学研究院 A kind of vertical shaft energy-dissipating structure
CN105862683A (en) * 2016-04-22 2016-08-17 广东省水利水电科学研究院 Multi-layer and multi-order pore plate used for reducing aeration and restraining bubbles and rapid construction method for multi-layer and multi-order pore plate
CN210066621U (en) * 2019-03-13 2020-02-14 广东省水利水电科学研究院 Foam inhibition device for drop flow drainage pipeline

Similar Documents

Publication Publication Date Title
CN209053164U (en) Diversion tunnel water inlet layered water drawing structure
CN105862683A (en) Multi-layer and multi-order pore plate used for reducing aeration and restraining bubbles and rapid construction method for multi-layer and multi-order pore plate
CN104695390B (en) A kind of combined type is super to be let out energy dissipating and to overflow big vast unit and method
CN109594533B (en) Vortex chamber stilling pool
CN220789664U (en) Gravity dam spillway
CN106930199A (en) Improve the fairing of arc Box-shaped Drainage Culvert water outlet fluidised form
CN110029619A (en) It is a kind of for there is the foam inhibition device of down stream flowing line
JPH07507114A (en) Wave energy dissipation device
CN111809579A (en) Self-aeration ternary hydraulic jump stilling basin
CN216839320U (en) Anti-cavity-flooding aerator structure capable of controlling transverse ventilation quantity
CN101881020B (en) Method and device for dissipating energy by automatically adjusting flow through shaft of submerged rotating pier
CN111119139A (en) Rotational flow shaft type energy dissipation structure
CN210066621U (en) Foam inhibition device for drop flow drainage pipeline
CN113109528B (en) Engineering measure for reducing supersaturation of dissolved gas in water under dam
CN212670507U (en) Wing section stilling pool
CN209722906U (en) A kind of high flow rate runner bottom air entraining facilities
CN109083107B (en) Aeration facility for forming aeration cavity by utilizing water flow centripetal force inertia turbulence
CN201151901Y (en) High and low bank bottom flow force-counteracting pool
CN207525718U (en) A kind of flood discharging tunnel gentle slope and abrupt slope connection structure
CN207619918U (en) A kind of automatic sand discharging device
JP3185169B2 (en) Discharge structure
CN110258466A (en) Novel aeration facility
CN110616688A (en) Rotational flow shaft type energy dissipation structure
CN217974257U (en) Space energy dissipation and aerated spillway structure
CN211849365U (en) Raft for raft floating dam

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination