CN208762977U - 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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- CN208762977U CN208762977U CN201820782090.8U CN201820782090U CN208762977U CN 208762977 U CN208762977 U CN 208762977U CN 201820782090 U CN201820782090 U CN 201820782090U CN 208762977 U CN208762977 U CN 208762977U
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- truss
- mist
- motor
- atomization
- water
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Abstract
The utility model 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 the worktable, 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；The main body for each catching mist aspiration motor is to be located in the box body vaccum pump motor, and the front end of cabinet is connected with motor air entry, and cabinet front is covered with absorbent cloth, and the cabinet chamber between absorbent cloth and vaccum pump motor constitutes vacuum chamber.A kind of the utility model effective Lapping quantity preventing atomization method prevents and treats Lapping quantity from source and is atomized, and 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 utility model relates to the structure that fogging degree is effectively reduced in atomization when high dam Lapping quantity, occurs in hydraulic engineering
Device.
Background technique
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 water flow is splashed when entering water with overflow by choosing bank aeration diffusion in the sky
Water forms spray.This spray generates a kind of intensive misty rain phenomenon in some areas under air-flow and orographic condition effect.It
When being contacted due to overflow and water cushion pool downstream, generation clashes, and overflow arranges overboard place's water body, splash water flow downstream and
Two sides are cast away.Under overflow wind effect, water body is further crushed, and big partial 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 and is gradually faded away, and rainfall intensity is also gradually reduced, and here it is water 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 a biggish environmental problem of 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 with conventional natural precipitation to key water control project annex and
Threat caused by the bank slope of downstream and destruction are much greater, and therefore, flood-discharge atomizing also starts as environmental problem by from society
The concern of meeting aspect.
Utility model content
The utility model aim is to provide a kind of effective Lapping quantity preventing atomization device, for Lapping quantity from source
Prevention and treatment 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 subtract to the greatest extent
Small atomization.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 the worktable, the front, that is, upstream face is higher than below, and panel includes the top plate being laid at the top of truss and is fixed on purlin
The side plate of frame side is fixed with more in the tail portion of workbench or truss and catches mist aspiration motor；Each catch the master of mist aspiration motor
Body is to be located in the box body vaccum pump motor, and the front end of cabinet is connected with motor air entry, and cabinet front is covered with absorbent cloth,
Cabinet 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.
The beneficial effects of the utility model are as follows:
(1) utility model device can effectively reduce range of atomized flow, and protection power station workshop safe operation guarantees dam
It is not hindered into factory's traffic by atomization.
(2) utility model device, which effectively limits, chooses stream atomization to the diffusion of two sides massif, is conducive to two sides mountain at dam site
The stabilization of rock.
(3) utility model device effectively reduces the fogging degree of Lapping quantity, does to defeated (change) electric system in power station
Certain protection is gone out, has made it not by the threat for choosing stream atomization.
(4) utility model device effectively reduces the atomized rain in downstream, can eliminate and to induce because of atomization of water current
The normal life production of slungshot and mud mist, the resident and enterprise that make downstream is protected.
(5) utility model device can complete construction in the short time, and required construction material is few, energy conservation and environmental protection, low cost, if
Meter size is small, has little effect to the safety of stablizing of dam, it is simple to be conducive to the development structure of dam from now on.
Detailed description of the invention
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 top view；
Fig. 4: " catching mist " formula motor enlarged drawing.
In figure: 1, choose bank, 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 embodiment
The utility model is illustrated with reference to the accompanying drawings and examples.
" catching mist " formula Lapping quantity preventing atomization device that the utility model uses, including truss, glass panel, " catching mist " electricity
Machine, 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 working principle of device sucks atomization water particle by " catching mist " motor.Wherein the water particle 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 be widely applied 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 utility model is set to and is overflow using the downstream of Lapping quantity dam
On big vast road 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 be lauched
Tongue is chosen away from estimation formula as reference:
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；h1Projection for bank top mean depth h in vertical direction, h1=hcos θ；h2For
Height difference of the Kan Ding to 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 to complete the peace of subsequent truss on workbench 6
Be filled with and later device operation.Truss 4 is erected on the table, hits sharp water droplet and strong wind caused by stream atomization as choosing,
Therefore truss should be big using intensity, erosion-resisting material.Glass panel 3 is covered on truss, wherein it is big to be divided into two for glass panel
Part: the riser of top plate and two 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 spreading to two sides massif.Glass panel adhesive is used between glass panel
Its is closely coupled, reach good airtightness." catching mist " aspiration motor 5 is installed on workbench and truss tail portion.Wherein " catch
Installation number atomization quantity according to caused by concrete engineering reality of mist " motor determines.
When dam uses flip trajectory bucket, water 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 starting on workbench 6, rotary electric machine 10 start, and generate negative pressure in vacuum chamber 9,
Air in truss with a large amount of water mists is sucked by air entry 7, 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 the inspiration by dust catcher principle, in dust catcher principle
On the basis of the improvement made.The main component of motor is vacuum pump and hydrophilic absorbent cloth.Vacuum pump is mainly power device,
Make vacuum room pressure much smaller than external atmosphere pressure, so that the extraneous air containing a large amount of water mists is squeezed into " catching mist " motor,
Hydrophilic absorbent cloth is provided with before vacuum chamber, main is exactly to absorb and filter to the water mist in air.It is finally exactly pair
Filtered gas is drained into downstream water by bend pipe, 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 water flow of discharge in bend pipe shape
It causes to damage downstream spillway bottom plate.
Note: the present apparatus does not provide specific size, selects best ruler 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, the front, that is, upstream face is higher than below, and panel includes the top plate being laid at the top of truss and is fixed on truss
The side plate of side is fixed with more in the tail portion of workbench or truss and catches mist aspiration motor；Each catch the main body of mist aspiration motor
To be located in the box body vaccum pump motor, the front end of cabinet is connected with motor air entry, and cabinet front is covered with absorbent cloth, inhales
Cabinet 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 |
|---|---|---|---|
| CN201820782090.8U CN208762977U (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 |
|---|---|---|---|
| CN201820782090.8U CN208762977U (en) | 2018-05-24 | 2018-05-24 | A kind of " catching mist " formula Lapping quantity preventing atomization device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208762977U true CN208762977U (en) | 2019-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820782090.8U Expired - Fee Related CN208762977U (en) | 2018-05-24 | 2018-05-24 | A kind of " catching mist " formula Lapping quantity preventing atomization device |
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| CN (1) | CN208762977U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112854154A (en) * | 2021-01-15 | 2021-05-28 | 华北电力大学 | Flood discharge atomization rainfall interception net and interception device based on spider web structure |
-
2018
- 2018-05-24 CN CN201820782090.8U patent/CN208762977U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112854154A (en) * | 2021-01-15 | 2021-05-28 | 华北电力大学 | Flood discharge atomization rainfall interception net and interception device based on spider web structure |
| CN112854154B (en) * | 2021-01-15 | 2022-03-15 | 华北电力大学 | Flood discharge atomization rainfall interception net and interception device based on spider web structure |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190419 Termination date: 20200524 |