CN108560507A - A kind of " catching mist " formula Lapping quantity preventing atomization device - Google Patents
A kind of " catching mist " formula Lapping quantity preventing atomization device Download PDFInfo
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- CN108560507A CN108560507A CN201810509103.9A CN201810509103A CN108560507A CN 108560507 A CN108560507 A CN 108560507A CN 201810509103 A CN201810509103 A CN 201810509103A CN 108560507 A CN108560507 A CN 108560507A
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- Prior art keywords
- truss
- mist
- motor
- babinet
- atomization
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- 239000003595 mist Substances 0.000 title claims abstract description 43
- 238000000889 atomisation Methods 0.000 title claims abstract description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 43
- 239000004744 fabric Substances 0.000 claims abstract description 10
- 230000002745 absorbent Effects 0.000 claims abstract description 9
- 239000002250 absorbent Substances 0.000 claims abstract description 9
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 3
- 239000007787 solid Substances 0.000 claims 1
- 239000011521 glass Substances 0.000 description 13
- 238000009792 diffusion process Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 239000007789 gas Substances 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 239000007921 spray Substances 0.000 description 5
- 239000000428 dust Substances 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 235000009917 Crataegus X brevipes Nutrition 0.000 description 1
- 235000013204 Crataegus X haemacarpa Nutrition 0.000 description 1
- 235000009685 Crataegus X maligna Nutrition 0.000 description 1
- 235000009444 Crataegus X rubrocarnea Nutrition 0.000 description 1
- 235000009486 Crataegus bullatus Nutrition 0.000 description 1
- 235000017181 Crataegus chrysocarpa Nutrition 0.000 description 1
- 235000009682 Crataegus limnophila Nutrition 0.000 description 1
- 235000004423 Crataegus monogyna Nutrition 0.000 description 1
- 240000000171 Crataegus monogyna Species 0.000 description 1
- 235000002313 Crataegus paludosa Nutrition 0.000 description 1
- 235000009840 Crataegus x incaedua Nutrition 0.000 description 1
- 241001269238 Data Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B8/00—Details of barrages or weirs ; Energy dissipating devices carried by lock or dry-dock gates
- E02B8/06—Spillways; Devices for dissipation of energy, e.g. for reducing eddies also for lock or dry-dock gates
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Special Spraying Apparatus (AREA)
Abstract
The present invention relates to a kind of " catching mist " formula Lapping quantity preventing atomization devices, including workbench, truss and panel, it is characterized in that, truss is fixed on workbench, the front, that is, upstream face is higher than below, panel includes the top plate being laid at the top of truss and the side plate for being fixed on truss side, is fixed with more in the tail portion of workbench or truss and catches mist aspiration motor；Each main body for catching mist aspiration motor is the vaccum pump motor in babinet, and the front end of babinet is connected with motor air entry, and babinet front is covered with absorbent cloth, and the babinet chamber between absorbent cloth and vaccum pump motor constitutes vacuum chamber.A kind of effective Lapping quantity preventing atomization method of the present invention, Lapping quantity is prevented from source and is atomized, water mist diffuses when not only allowing for atomization, it is also contemplated that the influence of wind speed when atomization is accomplished to reduce atomization to the greatest extent.
Description
Technical field
The present invention relates to atomization when high dam Lapping quantity, occurs in hydraulic engineering effectively to reduce the structure dress of fogging degree
It sets.
Background technology
With building for the large quantities of large hydropower stations in China, high water head, big flow power station is increasing.Flood discharge therein
Fogging problem gradually receives significant attention.
Flip shot atomization of water current refers to dam in aerial drainage, and flow is by choosing bank aeration diffusion in the air and when overflow enters water splashes
Water forms spray.This spray generates a kind of intensive misty rain phenomenon under air-flow and orographic condition effect, in some areas.It
When being contacted due to overflow and water cushion pool downstream, generation clashes, and overflow arranges overboard place's water body, splash flow downstream and
Two sides are cast away.Under overflow wind effect, water body is further crushed, and big grain size water droplet forms rainfall and falls into riverbed and two sides,
Small water-drop-shaped mist formation, shrouds riverbed, and mistiness such as cloud can not be had an X-rayed.Mist floats towards in the air with air-flow, creeps along two sides hillside and hawthorn
On and, low layer steam is delivered up to form convection current.Steam is during the decline by colliding and increasing, at overflow drop point
Near, form down-pour.In addition water mist downstream extends gradually thin out, and rainfall intensity is also gradually reduced, and here it is flows
Atomizating phenomenon.
High dam flood-discharge atomizing is inevitable phenomenon, not only causes one to the engineering safety of key water control project and downstream bank slope
It is fixed to threaten, while being also the larger environmental problem of a social influence.Operative practice shows the flood discharge mist of large-scale hydroelectric project
Change, since rainfall intensity and its coverage are quite big, compare to key water control project annex with conventional natural precipitation and
Threat and destruction caused by the bank slope of downstream is much greater, and therefore, flood-discharge atomizing is also begun to as environmental problem by from society
The concern of meeting aspect.
Invention content
Present invention aims at a kind of effective Lapping quantity preventing atomization device is provided, Lapping quantity is prevented from source
Atomization, water mist diffuses when not only allowing for atomization, it is also contemplated that the influence of wind speed when atomization is accomplished to reduce mist to the greatest extent
Change.Technical solution is as follows：
A kind of " catching mist " formula Lapping quantity preventing atomization device, including workbench, truss and panel, which is characterized in that truss
It is fixed on workbench, higher than below, panel includes the top plate being laid at the top of truss and is fixed on purlin the front, that is, upstream face
The side plate of frame side is fixed with more in the tail portion of workbench or truss and catches mist aspiration motor；Each master for catching mist aspiration motor
Body is the vaccum pump motor in babinet, and the front end of babinet is connected with motor air entry, and babinet front is covered with absorbent cloth,
Babinet chamber between absorbent cloth and vaccum pump motor constitutes vacuum chamber.
Preferably, the exhaust pipe of vaccum pump motor is the bend pipe being bent upwards.The top plate and side plate of truss are tightly connected.
Beneficial effects of the present invention are as follows：
(1) apparatus of the present invention can effectively reduce range of atomized flow, protect power station workshop safe operation, ensure dam into factory
Traffic is not hindered by atomization.
(2) apparatus of the present invention, which effectively limit, chooses stream atomization to the diffusion of both sides massif, is conducive to two sides mountain rock at dam site
Stablize.
(3) apparatus of the present invention effectively reduce the fogging degree of Lapping quantity, are made that defeated (change) electric system in power station
Certain protection makes it not threatened by stream atomization is chosen.
(4) apparatus of the present invention effectively reduce the atomized rain in downstream, can eliminate the slungshot induced by atomization of water current
Normal life production with mud mist, the resident and enterprise that make downstream is protected.
(5) apparatus of the present invention can complete construction in the short time, and required construction material is few, energy conservation and environmental protection, low cost, design ruler
It is very little small, the safety of stablizing of dam is had little effect, it is simple to be conducive to the development structure of dam from now on.
Description of the drawings
Fig. 1：Atomization of water current moves generalization figure；
Fig. 2：" catching mist " formula Lapping quantity anti-fog structure layout drawing；
Fig. 3：" catching mist " formula Lapping quantity anti-fog structure vertical view；
Fig. 4：" catching mist " formula motor enlarged drawing.
In figure：1, bank is chosen, 2, spillway abutment wall, 3, glass panel, 4, truss, 5, " catching mist " aspiration motor, 6, workbench,
7, motor air entry, 8, absorbent cloth, 9, vacuum chamber, 10, vaccum pump motor, 11, exhaust elbow.
Specific implementation mode
The present invention will be described with reference to the accompanying drawings and examples.
" catching mist " formula Lapping quantity preventing atomization device that the present invention uses, including truss, glass panel, " catching mist " motor,
Workbench.These are seemed very simple thing to assemble, plays each self-applying to achieve the effect that reduce atomization.
Wherein truss is equivalent to the skeleton of whole device, has wrapped up atomization source while whole device is supported again,
Its stability is also the considered most important thing that tries out.And glass panel then plays the role of stopping water mist diffusion, it is impermeable
Overflow is directly entered water mist caused by water collision and is blocked in inside the device by the glass panel of water.It will finally save bit by bit in device
Water mist " catching mist " motor siphons away and crosses the water mist in air filtering, and filtered gas is discharged, and so far, whole device is to reach drop
The effect of atomization.
The central principle of the device be from the source of atomization control the diffusions of water droplets first, then use for reference dust suction
The operation principle of device sucks atomization water particle by " catching mist " motor.Water particle wherein in air equally can be like dust
It filters out in the water mist filter screen of motor, is then again discharged downstream these gases in water by bend pipe, the water in river is allowed to rise
To the effect of double absorption water particle.Again while motor work sucking water mist, also reduce indirectly generated when flood-discharge atomizing
Wind-force, the diffusion of the water mist effectively reduced.
It is all daily institute's extensive use that material used by the present apparatus, which has stainless steel truss, glass panel, work drive motor etc.,
Material, it is at low cost.Fogging degree is effectively reduced, it is all advantageous to the production and living of dam safety and the downstream people.
" catching mist " formula Lapping quantity preventing atomization device of the present invention, is set to the downstream spillway using Lapping quantity dam
On abutment wall and it is located near scour hole, that is, at the source being atomized.Wherein, the installation site of the present apparatus can be used to lower overflow and choose
As reference away from estimation formula：
In formula：L is sater professionals, m；G is acceleration of gravity, m/s2；v1For bank top water surface flow velocity, m/s, about at bucket lip
1.1 times of mean flow rate v；θ is flip shot angle；h1It is bank top mean depth h in the projection of vertical direction, h1=h cos θ；h2For
Kan Ding is to the height difference in riverbed face, m.
Specific installation site is subject to whole device covering atomization source.Atomization movement is as shown in Figure 1.It is clearly expressed in figure
The influence in the source and wind-force that are atomized when flood-discharge atomizing.This is also the foundation of our arrangement apparatus positions.
The device includes truss 4, glass panel 3, " catching mist " aspiration motor 5, working path 6.
The workbench 6 widened is built on abutment wall 2 at scour hole, needs the peace that follow-up truss is completed on workbench 6
Be filled with and later device operation.Truss 4 is erected on the table, and sharp water droplet and strong wind are hit caused by stream atomization due to choosing,
Therefore truss should use intensity big, erosion-resisting material.Glass panel 3 is covered on truss, it is big to be divided into two for wherein glass panel
Part：The riser of top plate and both sides.Top plate is laid on the top of truss, for preventing spray from upwardly and rearwardly just spreading, riser
Two sides of truss are laid on, for preventing spray from being spread to both sides massif.Glass panel adhesive is used between glass panel
Its is closely coupled, reach good seal." catching mist " aspiration motor 5 is installed on workbench and truss tail portion.Wherein " catch
The installation number of mist " motor is determined according to atomization quantity caused by concrete engineering reality.
When dam uses flip trajectory bucket, flow falls into the downstream water surface, overflow and downstream water after choosing bank 1 and choosing downstream
It hits to swash and causes to be atomized,
And the truss 4 and glass plate 3 in the device effectively prevent the diffusion of spray, are also accompanied by flood discharge relatively strong
Wind, and 6 " catching mist " aspiration motors 5 on workbench 6 start, and rotary electric machine 10 starts, and negative pressure is generated in vacuum chamber 9,
It is sucked by air entry 7 with the air of a large amount of water mists in truss, by the absorbent cloth 8 in motor by the small water particle in air
It leaves, then air is discharged by exhaust pipe 11.It can be with the gradient of glass plate after a large amount of water droplet adheres on a glass
It falls, forms one layer of cascade in truss tail portion, cascade can leave the water particle not being inhaled into the air in motor.
For detailed structure view such as Fig. 4 of " catching mist " motor, it is inspired by dust catcher principle, in dust catcher principle
On the basis of the improvement made.The critical piece of motor is vacuum pump and hydrophilic absorbent cloth.Vacuum pump is mainly power plant,
Vacuum room pressure is set to be much smaller than external atmosphere pressure, to which the extraneous air containing a large amount of water mists be squeezed into " catching mist " motor,
Hydrophilic absorbent cloth is provided with before vacuum chamber, main is exactly to be absorbed and filtered to the water mist in air.It is exactly finally pair
Filtered gas is drained by bend pipe in downstream water, will thus be filtered unabsorbed water mist in gas and be carried out secondary filter,
The aqueous concentration in air is reduced to greatest extent.Wherein, exhaust pipe can prevent the gas and flow of discharge in bend pipe shape
It causes to damage downstream spillway bottom plate.
Note：The present apparatus does not provide specific size, and best ruler is selected because of the difference of different dam flood-discharge field datas
It is very little.
Claims (3)
1. a kind of " catching mist " formula Lapping quantity preventing atomization device, including workbench, truss and panel, which is characterized in that truss is solid
Due on workbench, higher than below, panel includes the top plate being laid at the top of truss and is fixed on truss the front, that is, upstream face
The side plate of side is fixed with more in the tail portion of workbench or truss and catches mist aspiration motor；Each main body for catching mist aspiration motor
Front end for the vaccum pump motor in babinet, babinet is connected with motor air entry, and babinet front is covered with absorbent cloth, inhales
Babinet chamber between water cloth and vaccum pump motor constitutes vacuum chamber.
2. the apparatus according to claim 1, which is characterized in that the exhaust pipe of vaccum pump motor is the bend pipe being bent upwards.
3. the apparatus according to claim 1, which is characterized in that the top plate and side plate of truss are tightly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810509103.9A CN108560507A (en) | 2018-05-24 | 2018-05-24 | A kind of " catching mist " formula Lapping quantity preventing atomization device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810509103.9A CN108560507A (en) | 2018-05-24 | 2018-05-24 | A kind of " catching mist " formula Lapping quantity preventing atomization device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108560507A true CN108560507A (en) | 2018-09-21 |
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ID=63539684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810509103.9A Pending CN108560507A (en) | 2018-05-24 | 2018-05-24 | A kind of " catching mist " formula Lapping quantity preventing atomization device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108560507A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115637679A (en) * | 2022-11-18 | 2023-01-24 | 昆明理工大学 | Device for reducing flood discharge atomization |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060095923A (en) * | 2006-08-16 | 2006-09-05 | (주)인텔리지오 | Covered type aeration apparatus for dam spillway |
| CN102758416A (en) * | 2012-07-25 | 2012-10-31 | 长江水利委员会长江科学院 | Device for researching flood discharge atomization spray source distributing regularity |
| RU2545554C1 (en) * | 2013-10-22 | 2015-04-10 | Замир Галимович Ламердонов | Protective structure against floods in case of emergency situations |
| CN104652380A (en) * | 2015-01-22 | 2015-05-27 | 河海大学 | Novel matched variable slope spillway-based flood discharging system |
| CN107100143A (en) * | 2017-05-10 | 2017-08-29 | 西华大学 | A kind of new energy-dissipating structure of Hydraulic and Hydro-Power Engineering |
| CN206873414U (en) * | 2017-07-03 | 2018-01-12 | 三峡大学 | A kind of permeable cloth of high strongly hydrophilic chooses stream anti-fog structure |
| CN107735158A (en) * | 2015-05-29 | 2018-02-23 | 夏普株式会社 | Dehydrating unit and dehumanization method |
-
2018
- 2018-05-24 CN CN201810509103.9A patent/CN108560507A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060095923A (en) * | 2006-08-16 | 2006-09-05 | (주)인텔리지오 | Covered type aeration apparatus for dam spillway |
| CN102758416A (en) * | 2012-07-25 | 2012-10-31 | 长江水利委员会长江科学院 | Device for researching flood discharge atomization spray source distributing regularity |
| RU2545554C1 (en) * | 2013-10-22 | 2015-04-10 | Замир Галимович Ламердонов | Protective structure against floods in case of emergency situations |
| CN104652380A (en) * | 2015-01-22 | 2015-05-27 | 河海大学 | Novel matched variable slope spillway-based flood discharging system |
| CN107735158A (en) * | 2015-05-29 | 2018-02-23 | 夏普株式会社 | Dehydrating unit and dehumanization method |
| CN107100143A (en) * | 2017-05-10 | 2017-08-29 | 西华大学 | A kind of new energy-dissipating structure of Hydraulic and Hydro-Power Engineering |
| CN206873414U (en) * | 2017-07-03 | 2018-01-12 | 三峡大学 | A kind of permeable cloth of high strongly hydrophilic chooses stream anti-fog structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115637679A (en) * | 2022-11-18 | 2023-01-24 | 昆明理工大学 | Device for reducing flood discharge atomization |
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