CN109322274A - A kind of ramp type wave absorber and method - Google Patents
A kind of ramp type wave absorber and method Download PDFInfo
- Publication number
- CN109322274A CN109322274A CN201811355447.5A CN201811355447A CN109322274A CN 109322274 A CN109322274 A CN 109322274A CN 201811355447 A CN201811355447 A CN 201811355447A CN 109322274 A CN109322274 A CN 109322274A
- Authority
- CN
- China
- Prior art keywords
- wave
- positive
- damping chamber
- face
- flexible membrane
- 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
Links
- 239000006096 absorbing agent Substances 0.000 title claims abstract description 47
- 238000000034 method Methods 0.000 title claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 50
- 238000013016 damping Methods 0.000 claims abstract description 24
- 239000012528 membrane Substances 0.000 claims abstract description 24
- 238000010521 absorption reaction Methods 0.000 claims description 50
- 230000000694 effects Effects 0.000 claims description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 238000005253 cladding Methods 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 238000010276 construction Methods 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims description 3
- 230000018199 S phase Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B1/00—Equipment or apparatus for, or methods of, general hydraulic engineering, e.g. protection of constructions against ice-strains
- E02B1/02—Hydraulic models
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Revetment (AREA)
Abstract
The present invention relates to a kind of ramp type wave absorber and method, the wave absorber includes tilted-putted guided wave plate, and the guided wave plate is connected with wave damping chamber；The wave damping chamber is provided with multiple positive six face cylinders, and multiple positive six face cylinders constitute honeycomb；Reticular structure and at least one water wheels are disposed with inside each positive six face cylinder；Wave damping chamber bottom surface is coated using flexible membrane, and water outlet is arranged in the flexible membrane bottom, for guiding water flow to flow out wave damping chamber.
Description
Technical field
The present invention relates to a kind of ramp type wave absorber and methods.
Background technique
With deepening continuously for ocean development, Wave Theory and experimental study have become major colleges and universities and research institution's emphasis
The field of concern.Experimental apparatus of the wave flume as research wave mechanism, the quality of performance directly affect Wave Theory and grind
Study carefully the reliability of achievement.Due to the limitation of experimental site, the limited length of wave flume, when wave propagation screw clamp closes end
When, end plate can be encountered and reflected.If back wave cannot be effectively eliminated, the flow field around experimental model can be seriously affected.Wave absorption
Device is mounted in wave flume end, to eliminate reflexion of wave, reduces the device of Wave energy, is limited to some places
Laboratory for it is particularly important.
Wave absorber used in wave flume by geometry can be divided into arc surface wave absorber at present, wire netting battle array disappears
Wave apparatus, box wave absorber and ramp type wave absorber.The sink more fixed for the depth of water, arc surface wave absorber have compared with
Good wave dissipation effect.But the arc surface wave absorber optimum depth best there are a wave dissipation effect, once the depth of water in sink
The off-target depth of water, then the device is just unable to reach good wave dissipation effect.The more fixed water of wavelength and wave height for wave
Slot, wire netting battle array wave absorber have preferable wave dissipation effect.But for wire netting battle array wave absorber, air permeability rate along journey not
Change is a defect, this makes wave absorber that can not reach effective wave dissipation effect under the premise of occupied space is lesser, box
Wave absorber is identical as wire netting battle array wave absorber wave absorption principle, also there is wave absorption identical with wire netting battle array wave absorber and lacks
It falls into.
The cardinal principle of ramp type wave absorber is: wave being made to consume portion of energy by way of climbing.This just leads
Cause the gradient of ramp type wave absorber gentler, wave dissipation effect is better, but therefore needs to occupy biggish sink length.
Patent document 2016103521141 discloses a kind of wave absorber being made of multiple partitions being evenly arranged, every
The plane that plate side is constituted is a slope from low to high.Since the wave absorption structure of this kind of wave absorber is single, and only to single
Wavelength has preferable wave dissipation effect, so its wave absorption efficiency is lower.
Patent document 2014104807715 discloses a kind of circular arc type mask wave absorber, mainly utilizes mask portion and dike
Portion collectively forms semi-open wave absorption structure, wave in face of mask portion and on, as gravity influences to fall into the square that mask portion opens up
In shape slot, consumption wave energy is acted on by turbulent fluctuation with dyke.But the wave absorption structure of this wave absorber and wave motion mechanism are not
Match, and equipment is smaller, even if equal proportion expansion can not enhance its wave absorption efficiency.
Summary of the invention
The present invention to solve the above-mentioned problems, proposes a kind of ramp type wave absorber and method, can be first by oblique
The wave energy climbed is eliminated on slope, is recycled the reticular structure of wave damping chamber and water wheels to carry out second level wave absorption, is eliminated finally by flexible membrane
Remaining wave energy.The technical solution uses honeycomb, and firm firm, multimode wave absorption seldom generates back wave, while can be most
The elimination wave energy of big degree.
To achieve the goals above, the present invention uses following scheme:
A kind of ramp type wave absorber, including tilted-putted guided wave plate, the guided wave plate are connected with wave damping chamber；It is described to disappear
Wave room is provided with multiple positive six face cylinders, and multiple positive six face cylinders constitute honeycomb；Inside each positive six face cylinder according to
It is secondary to be provided with reticular structure and at least one water wheels；Wave damping chamber bottom surface is coated using flexible membrane, and is set in the flexible membrane bottom
Water outlet is set, for guiding water flow to flow out wave damping chamber.
Wherein, reticular structure is vertical with the symmetry axis of positive six face cylinder or is generally aligned in the same plane or in fixed angle
Plane wave absorption net.
Wherein, water wheels include a connecting rod, six shafts and the fan blades being connected with each shaft；Connecting rod is located at just
At six face cylinder symmetry axis, one end of each shaft is connected with connecting rod, and the other end is connected with the cylinder of positive six face cylinder, and six
A shaft averagely divides the cross section of positive six face cylinder.
Further, above-mentioned fan blades may be partitioned into multiple slab constructions being connected with the shaft.
In order to realize the tilt adjustable section of ramp type wave absorber, it is provided in wave damping chamber bottom or corner location
Multiple liftable supports, for reconciling the tilt angle of wave absorber.
Meanwhile in order to further limit the movement of flexible membrane, multiple steel bars, Mei Yigang may be provided on the flexible membrane
The direction of advance of item and wave is perpendicular.
Above-mentioned guided wave plate uses surface plate or convex-shaped cambered plate.
In order to realize the function of above-mentioned wave absorber, the invention also provides a kind of wave absorption method, specially wave passes through
Guided wave plate enters wave damping chamber, is divided into multi-strand flow by honeycomb, separately flows into different positive six face cylinders, wave is downward
Reticular structure is passed sequentially through during falling and water wheels carry out wave absorption, is moved back and forth subsequently into the space of flexible membrane cladding,
Residual fluctuations are eliminated, are finally flowed out from water outlet.
When wave enters in positive six face cylinder, reticular structure breaker is first passed through, then as the effect of gravity enters water
Wheel, most of wave are oriented to the space that flexible membrane coats by water wheels, and the wave of fraction reflection is eliminated by the reticular structure
It falls after rise to water wheels, finally also enters the space of flexible membrane cladding.
Further, the wave of different wave length can also be eliminated by the tilt angle of the adjusting wave absorber.
Beneficial effects of the present invention:
(1) wave absorber of the invention carries out compound disappear using a variety of wave absorption modules such as netted wave absorption structure, wave absorption water wheels
Wave eliminates wave energy to the greatest extent, hence it is evident that increase rate wave absorption efficiency；
(2) for the present invention using the fixed wave absorption module of honeycomb, structure is simple, while having close robustness；
(3) present invention effectively controls the generation of back wave using reticular structure and water wheels progress wave absorption is set gradually.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention a；
Fig. 2 is structural schematic diagram b of the invention；
Fig. 3 is the structural schematic diagram a of wave absorption water wheels of the present invention；
Fig. 4 is the structural schematic diagram b of wave absorption water wheels of the present invention.
Wherein: 1- guided wave plate；2- support；3- wave absorption wire netting；4- water wheels；5- flexible membrane；6- honeycomb；7- steelframe；
8- connecting rod；9- shaft；10- fan blades.
Specific embodiment:
The invention will be further described with embodiment with reference to the accompanying drawing.
It is all exemplary it is noted that described further below, it is intended to further instruction is provided to the application, except there is finger
Bright, all technical and scientific terms used herein has to be generally understood with the those of ordinary skill of herein described technical field
Identical meanings.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
As background technique is introduced, wave absorption structure in the prior art is single, and only has to single wavelength preferable
Wave dissipation effect, its wave absorption structure of some wave absorbers and wave motion mechanism simultaneously mismatch, and equipment is smaller, even if equal proportion
Expansion can not enhance its wave absorption efficiency.
In order to improve wave absorption efficiency, wave energy is utmostly eliminated, reduces back wave, the invention proposes a kind of wave absorption dresses
Set: including tilted-putted guided wave plate, guided wave plate one end is connected with wave damping chamber, the other end or is placed in wave absorption sink.Wave damping chamber
Multiple positive six face cylinders are provided with, and multiple positive six face cylinders constitute honeycomb；It is successively set inside each positive six face cylinder
It is equipped with reticular structure and at least one water wheels；Wave damping chamber bottom surface is coated using flexible membrane, and is provided in the flexible membrane bottom
The mouth of a river, for guiding water flow to flow out wave damping chamber.
Fig. 1 and Fig. 2 is a kind of exemplary embodiment of the invention, wherein guided wave plate uses surface plate, and is arranged on it
There is the wave absorption slot of multiple hollow outs, it is notable that guided wave plate can also use convex-shaped cambered plate, so that wave is being climbed
When, more quickly eliminate wave energy.
Wave damping chamber is the semiclosed region being made of the flexible membrane of honeycomb and bottom, each inside honeycomb
Positive six face cylinder is provided with reticular structure and water wheels.In the present embodiment, reticular structure uses iron wire wave absorption as shown in Figure 3
Net can also be arranged the wave absorption net of plane in the cross-section of positive six face cylinder, or use symmetrical with positive six face cylinder
Axis is in the plane wave absorption net of fixed angle and the various combining forms of above structure.Various forms of reticular structures can meet
Different wave absorption requirements.
Wave along guided wave plate and on, fall downwards from honeycomb, first pass around reticular structure breaker, then reach water
At wheel.Water wheels in the present embodiment use structure as shown in Figure 4, including a connecting rod, six shafts and with each shaft
The fan blades being connected；Connecting rod is located at positive six face cylinders symmetry axis, and one end of each shaft is connected with connecting rod, the other end with
The cylinder of positive six face cylinder is connected, or is connected with the rib of positive six face cylinder, and six shafts averagely divide the cross of positive six face cylinder
Section.
In Fig. 4, each shaft is connected with 4 fan blades, obtains breaker in order to more efficient, above-mentioned fan blades can also again meticulously
It is split, or is divided with different shape, have reached highly efficient wave dissipation effect.
It can also be seen that being provided with multiple liftable supports in wave damping chamber bottom or its corner location in Fig. 1 or Fig. 2,
It can be not only used for support wave damping chamber, can be used for the tilt angle for adjusting wave absorber, for adapting to the wave of different wave length
Wave.
It is only a kind of scheme of fixed wave absorber using support in wave absorber of the invention, it can also be in guided wave
Articulated structure is arranged in plate one end and wave damping chamber one end, is connected respectively with wave absorption sink, or uses other any this fields
The common technological means of technical staff carries out the fixation of wave absorber.
In the present embodiment, multiple steel bars can also be set on the flexible film, constitute steel frame construction, each steel bar and wave
Direction of advance it is vertical.Steelframe is set on the flexible film, can further eliminate fluctuation, slow down water flow with made by flexible membrane
It moves back and forth, eliminates residual fluctuations.
Why above-mentioned wave absorber can produce efficient wave absorption efficiency, be to enter wave absorption by guided wave plate due to wave
Then room is divided into multi-strand flow by honeycomb, water flow separately flows into different positive six face cylinders, and wave falls downwards the phase
Between pass sequentially through reticular structure and water wheels.Reticular structure due to small wave absorption hole, can utmostly breaker, therefore disappear
Consume part energy；Then wave reaches water wheels, so that wave energy is consumed in the rotation of water wheels, reaches more efficiently
Wave absorption efficiency.Most of wave is oriented to the space of flexible membrane cladding by water wheels at this time, and the wave of fraction reflection is netted
Structure, which is eliminated, to be fallen after rise to water wheels, and the space of flexible membrane cladding is finally also entered.
The interaction of reticular structure and water wheels, so that the indoor ripples oscillation of wave absorption can not come back to slope
On, it can only be moved back and forth inside honeycomb, i.e., not will cause secondary reflection wave phenomenon.
Flexible membrane moves reciprocatingly with water flow simultaneously, if steelframe is arranged on it, can further eliminate effect of inertia,
Accelerate the elimination of remaining wave energy.Flexible membrane both sides are filled with water flow, are also possible to prevent to generate pressure difference, final water flow is from flexibility
The water outlet of film bottom flows out, then is flowed back by the foot passage of wave absorber.
Wave absorber of the invention carries out compound wave absorption using a variety of wave absorption modules such as netted wave absorption structure, wave absorption water wheels,
Wave energy is eliminated to the greatest extent, hence it is evident that increase rate wave absorption efficiency；Using the fixed wave absorption module of honeycomb, structure is simple, together
When have close robustness；Wave successively passes through reticular structure and water wheels, can effectively control the generation of back wave.
Above-mentioned, although the foregoing specific embodiments of the present invention is described with reference to the accompanying drawings, not protects model to the present invention
The limitation enclosed, those skilled in the art should understand that, based on the technical solutions of the present invention, those skilled in the art are not
Need to make the creative labor the various modifications or changes that can be made still within protection scope of the present invention.
Claims (10)
1. a kind of ramp type wave absorber, which is characterized in that including tilted-putted guided wave plate, the guided wave plate and wave damping chamber's phase
Even；The wave damping chamber is provided with multiple positive six face cylinders, and multiple positive six face cylinders constitute honeycomb；In each positive six face column
Internal portion is disposed with reticular structure and at least one water wheels；Wave damping chamber bottom surface is coated using flexible membrane, and in the flexibility
Water outlet is arranged in film bottom, for guiding water flow to flow out wave damping chamber.
2. a kind of wave absorber according to claim 1, which is characterized in that the reticular structure be and positive six face cylinder
Symmetry axis it is vertical be generally aligned in the same plane or in fixed angle plane wave absorption net.
3. a kind of wave absorber according to claim 1, which is characterized in that the water wheels include a connecting rod, six turns
Axis and the fan blades being connected with each shaft；Connecting rod is located at positive six face cylinders symmetry axis, one end of each shaft and company
Extension bar is connected, and the other end is connected with the cylinder of positive six face cylinder, and six shafts averagely divide the cross section of positive six face cylinder.
4. a kind of wave absorber according to claim 3, which is characterized in that the fan blades may be partitioned into it is multiple with described turn
The connected slab construction of axis.
5. a kind of wave absorber according to claim 1, which is characterized in that the wave damping chamber bottom be provided with it is multiple can
Lifting support, for reconciling the tilt angle of wave absorber.
6. a kind of wave absorber according to claim 1, which is characterized in that be provided with multiple steel on the flexible membrane
The direction of advance of item, each steel bar and wave is perpendicular.
7. a kind of wave absorber according to claim 1, which is characterized in that the guided wave plate uses surface plate or convex-shaped
Cambered plate.
8. a kind of wave absorption method using any one of claim 1-7 described device, which is characterized in that wave passes through guided wave plate
Into wave damping chamber, multi-strand flow is divided by honeycomb, is separately flowed into different positive six face cylinders, wave falls downwards the phase
Between pass sequentially through reticular structure and water wheels and carry out wave absorption, move back and forth, eliminate surplus subsequently into the space of flexible membrane cladding
Repercussions are dynamic, finally flow out from water outlet.
9. a kind of wave absorption method according to claim 8, which is characterized in that by the inclination angle for adjusting the wave absorber
Degree, for eliminating the wave of different wave length.
10. a kind of wave absorption method according to claim 8, which is characterized in that when wave enters in positive six face cylinder, first
By reticular structure breaker, then as the effect of gravity enters water wheels, most of wave is oriented to flexible membrane by water wheels and coats
Space, the wave of fraction reflection is eliminated by the reticular structure to be fallen after rise to water wheels, and the sky of flexible membrane cladding is finally also entered
Between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811355447.5A CN109322274A (en) | 2018-11-14 | 2018-11-14 | A kind of ramp type wave absorber and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811355447.5A CN109322274A (en) | 2018-11-14 | 2018-11-14 | A kind of ramp type wave absorber and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109322274A true CN109322274A (en) | 2019-02-12 |
Family
ID=65257563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811355447.5A Pending CN109322274A (en) | 2018-11-14 | 2018-11-14 | A kind of ramp type wave absorber and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109322274A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10160623A (en) * | 1996-12-02 | 1998-06-19 | Mitsubishi Heavy Ind Ltd | Wave suppressor for test water tank |
| JPH10183568A (en) * | 1996-12-27 | 1998-07-14 | Kankyo Kagaku Kogyo Kk | Breakwater |
| CN202064320U (en) * | 2011-04-15 | 2011-12-07 | 郑钢钢 | Floating breakwater member and breakwater formed by same in split joint mode |
| CN202157302U (en) * | 2011-07-29 | 2012-03-07 | 黎祖福 | Floating impeller stereoscopic wave absorbing device |
| CN104296960A (en) * | 2014-09-19 | 2015-01-21 | 集美大学 | Circular arc mask wave absorbing device |
| CN106289718A (en) * | 2016-07-28 | 2017-01-04 | 山东大学 | Attenuating shock wave system that a kind of scalable slope is high and using method |
| CN106908216A (en) * | 2017-02-22 | 2017-06-30 | 哈尔滨工程大学 | A kind of ship model experimental tank wave absorber |
| CN106918443A (en) * | 2017-02-22 | 2017-07-04 | 哈尔滨工程大学 | A kind of ship model test towing tank aids in wave absorber |
| CN107178063A (en) * | 2017-05-25 | 2017-09-19 | 山东大学 | A kind of rotatable pipeline wave absorber and wave absorption method |
| CN208088224U (en) * | 2017-12-26 | 2018-11-13 | 河海大学 | A kind of rough-water test sink end reflection wave cancellation element |
| CN209619931U (en) * | 2018-11-14 | 2019-11-12 | 山东科技大学 | A kind of ramp type wave absorber |
-
2018
- 2018-11-14 CN CN201811355447.5A patent/CN109322274A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10160623A (en) * | 1996-12-02 | 1998-06-19 | Mitsubishi Heavy Ind Ltd | Wave suppressor for test water tank |
| JPH10183568A (en) * | 1996-12-27 | 1998-07-14 | Kankyo Kagaku Kogyo Kk | Breakwater |
| CN202064320U (en) * | 2011-04-15 | 2011-12-07 | 郑钢钢 | Floating breakwater member and breakwater formed by same in split joint mode |
| CN202157302U (en) * | 2011-07-29 | 2012-03-07 | 黎祖福 | Floating impeller stereoscopic wave absorbing device |
| CN104296960A (en) * | 2014-09-19 | 2015-01-21 | 集美大学 | Circular arc mask wave absorbing device |
| CN106289718A (en) * | 2016-07-28 | 2017-01-04 | 山东大学 | Attenuating shock wave system that a kind of scalable slope is high and using method |
| CN106908216A (en) * | 2017-02-22 | 2017-06-30 | 哈尔滨工程大学 | A kind of ship model experimental tank wave absorber |
| CN106918443A (en) * | 2017-02-22 | 2017-07-04 | 哈尔滨工程大学 | A kind of ship model test towing tank aids in wave absorber |
| CN107178063A (en) * | 2017-05-25 | 2017-09-19 | 山东大学 | A kind of rotatable pipeline wave absorber and wave absorption method |
| CN208088224U (en) * | 2017-12-26 | 2018-11-13 | 河海大学 | A kind of rough-water test sink end reflection wave cancellation element |
| CN209619931U (en) * | 2018-11-14 | 2019-11-12 | 山东科技大学 | A kind of ramp type wave absorber |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205538155U (en) | Controllable wave flows coupling and takes place and circulating device | |
| CA3067651C (en) | Method for improving inlet flow pattern of multihole inflow pump station | |
| US9777494B2 (en) | Method and apparatus for producing progressive waves suitable for surfing using staggered wave generators in sequence | |
| CN103469830B (en) | Reduction method for basic wave current vibration of offshore wind power single pile | |
| CN106092504A (en) | A kind of wave absorption fairing of adjustable inclination | |
| CN209619931U (en) | A kind of ramp type wave absorber | |
| CN105951663B (en) | A kind of opposite bank wave absorber | |
| CN103225292B (en) | A kind of dam face energy dissipation tool | |
| CN104880294A (en) | Wind generating rectification system for floating fan model test | |
| US20110126747A1 (en) | Wind turbine installation vessel and a gravity center adjustment device thereof | |
| CN203594056U (en) | Basic wave current excitation vibration reduction device for offshore wind power single pile | |
| CN217581610U (en) | Noise control dust fall that construction used encloses fender | |
| CN105951688A (en) | Compound continuous step spillway | |
| Lefebvre et al. | Influence of geometrical parameters on PK-Weirs discharge with 3D numerical analysis | |
| CN109322274A (en) | A kind of ramp type wave absorber and method | |
| CN104404929B (en) | Help and drive formula perps fish channel structure and attracting fish method thereof | |
| CN103629974A (en) | Water collection device of high-level water collection cooling tower and splash prevention materials of water collection device | |
| CN204740120U (en) | A make wind rectification system for floating fan model test | |
| CN104048553B (en) | The device and method of water distribution uniformity during different flow in cooling tower | |
| CN110438936A (en) | A kind of variable orifice diameter active wave absorber | |
| CN206667199U (en) | A kind of structure for adjusting release floodwatering flow distribution | |
| CN108775069A (en) | Structure with sine wave diversion as design structure simulating green building concept | |
| CN209378738U (en) | The rectangular desulfuration absorbing tower of steel construction of high position arrangement | |
| CN105350466B (en) | A kind of polymer particle sound absorption sound barrier of landscape | |
| CN110907129B (en) | Air-float supporting device with one-dimensional freedom and air seal |
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 | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190212 |
|
| WD01 | Invention patent application deemed withdrawn after publication |