CN110081580A - A kind of air pipeline device humidifying noise reduction - Google Patents
A kind of air pipeline device humidifying noise reduction Download PDFInfo
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- CN110081580A CN110081580A CN201910315508.3A CN201910315508A CN110081580A CN 110081580 A CN110081580 A CN 110081580A CN 201910315508 A CN201910315508 A CN 201910315508A CN 110081580 A CN110081580 A CN 110081580A
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- frames
- water
- air pipeline
- noise reduction
- rotary type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/02—Ducting arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F6/00—Air-humidification, e.g. cooling by humidification
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Air Humidification (AREA)
Abstract
The present invention proposes a kind of air pipeline device for humidifying noise reduction, including several frames；Frames are mounted in air pipeline, and the cross sectional shape of frames is symmetrical streamlined, and the cephlad-caudal of frames is consistent with gas flow direction, and gas jet flows to frames tail portion from frames head；Frames front inner is equipped with interior pipeline, is provided with several hole for water sprayings on frames front part sides wall surface；Interior pipeline includes driver, drive rod, support tube, interior water-supply-pipe and rotary type sparge pipe, can be realized and sprays water from hole for water spraying, and water spraying direction is adjustable；Frames rear portion two sides are disposed with drying layer, and drying layer lower position is disposed with drainage groove, and drying layer by the moisture absorption of ambient enviroment and can be discharged into drainage groove；Drainage groove is connected to the drainpipe outside air pipeline.The present invention using humidification noise reduction technology, inhibits noise transmission in air pipeline, reduces ambient noise on the basis of optimizing gas flowfield in pipeline.
Description
Technical field
The present invention relates to the system noise reduction technology fields of air pipeline, and in particular to a kind of air pipeline dress for humidifying noise reduction
It sets.
Background technique
Object effect can generate aerodynamic noise in gas unsteady flow in air pipeline, gas and pipeline；Mechanical equipment
In manufacture or installation process, since defective workmanship can cause mechanical noise, as the bearing noise of blower, belt and transmission cause
Noise, noise, casing and the vibration noise of pipeline caused by rotor unbalance etc.；These noises are referred to as the back of air pipeline
Scape noise.Excessively high ambient noise will impact the working condition of relevant device, evoke logical to environmental radiation much noise
The buffeting response of air hose circuit unit causes structure fatigue damage, more causes noci-influence to near-field operations personnel.Therefore, it drops
Low pass air pipe line ambient noise seems particularly necessary, but at the same time, and low ambient noise is also the weight of air pipeline design-build
Point and difficult point.
Numerous studies are put into for the control of air pipeline ambient noise both at home and abroad, including to air pipeline sound source
Low Noise Design, pipeline noise elimination design, the control technology of system and method etc., partially additionally use Active control technology to ventilation
Pipeline carries out Research of Noise Reduction.These methods achieve certain effect, but still there are technical costs height, cost is high, maintenance
The problems such as complexity, noise reduction effect is limited.Therefore, need to design one kind can optimize gas flowfield performance and realize noise control
Device improve the acoustical behavior of air pipeline to adapt to the new situations of air pipeline designs.
Summary of the invention
In order to solve the problems existing in the prior art, the present invention proposes a kind of air pipeline device for humidifying noise reduction, is optimizing
In pipeline on the basis of gas flowfield, using humidification noise reduction technology, inhibits noise transmission in air pipeline, reduce ambient noise.
The technical solution of the present invention is as follows:
A kind of air pipeline device humidifying noise reduction, it is characterised in that: including several frames；The support machine
Frame is mounted in air pipeline, the upper lower wall surface rigid connection of upper and lower ends and air pipeline；The section shape of the frames
Shape is symmetrical streamlined, and the cephlad-caudal of frames is consistent with gas flow direction, and gas jet is from the machine of support
Frame head flows to frames tail portion；
The frames are hollow structure, interior pipeline are equipped in frames front inner, in frames front
Several hole for water sprayings are provided in two side walls；
Said inner tube road includes driver, drive rod, support tube, interior water-supply-pipe and rotary type sparge pipe；Driver passes through
Drive rod connects support tube, and hinged several rotary type sparge pipes on support tube, the water spray end of rotary type sparge pipe is in support machine
At hole for water spraying on frame front part sides wall surface, it is connected between rotary type sparge pipe and support tube by interior water-supply-pipe；The support
Pipe connects the high-pressure water outside air pipeline；The driver can drive support tube mobile by drive rod, adjust rotary type
The water spraying direction of sparge pipe；
Drying layer is disposed in frames rear portion two sides；In frames lower rear, it is located at drying layer lower position
Place is disposed with drainage groove, and drying layer by the moisture absorption of ambient enviroment and can be discharged into drainage groove；Drainage groove connection
Drainpipe outside air pipeline.
Further preferred embodiment, a kind of air pipeline device humidifying noise reduction, it is characterised in that: further include that water follows
Loop system；The water circulation system includes booster, outer water-supply-pipe, water tank and drainpipe；Wherein at booster and water tank
Outside air pipeline；Interior pipeline inside outer water-supply-pipe connection booster and frames, drainpipe connect water tank and branch
Support the drainage groove of machine frame inside；Pass through piping connection between booster and water tank；Water circulation system realizes that inside pipeline mentions
For high-pressure water and realize that water recycles.
Further preferred embodiment, a kind of air pipeline device humidifying noise reduction, it is characterised in that: the support machine
Frame is mounted on the noise figure higher position of air pipeline.
Further preferred embodiment, a kind of air pipeline device humidifying noise reduction, it is characterised in that: if being equipped with more
A frames, then the line end to end of frames is mutually parallel.
Further preferred embodiment, a kind of air pipeline device humidifying noise reduction, it is characterised in that: in frames
Rear portion two side walls indent, drying layer are arranged in recessed area, drying layer outer surface and remaining area surfaces of frames
On same curved surface.
Further preferred embodiment, a kind of air pipeline device humidifying noise reduction, it is characterised in that: before frames
Several columns hole for water spraying, cross section of each column hole for water spraying line perpendicular to frames are symmetrically provided in portion's two side walls.
Further preferred embodiment, a kind of air pipeline device humidifying noise reduction, it is characterised in that: hole for water spraying aperture
Greater than rotary type sparge pipe water spray port diameter, resilient material is filled between hole for water spraying and rotary type sparge pipe water spray end.
Further preferred embodiment, a kind of air pipeline device humidifying noise reduction, it is characterised in that: in hole for water spraying
Elastomeric material surfaces and frames lateral surface are on same curved surface；Rotary type sparge pipe sprays water end end face without departing from support machine
Frame lateral surface.
Further preferred embodiment, a kind of air pipeline device humidifying noise reduction, it is characterised in that: the driver
It is mounted on the inside of frames upper surface；The support tube is perpendicular to frames upper and lower end faces, support tube lower end and outside
High-pressure water connection, support tube upper end connect drive rod；The drive rod is translation straight-bar, and driver is able to drive drive rod edge
Frames front-rear direction is mobile；Every two rotary type sparge pipe is one group, is hinged on support tube, same group of rotary type water spray
Hole for water spraying of the water spray end towards frames two sides of pipe, when support tube is moved with drive rod along frames front-rear direction,
The angle between same group of rotary type sparge pipe can be changed, realize that water spray angle changes.
Further preferred embodiment, a kind of air pipeline device humidifying noise reduction, it is characterised in that: rotary type water spray
Pipe uses varying cross-section duct, further increases hydraulic pressure.
Beneficial effect
The beneficial effects of the present invention are embodied in:
1, air pipeline ambient noise is reduced, noise hazard is reduced；
2, realize that the interior pipeline of spraying function is located in frames, streamlined frames can inhibit the generation of separation vortex
With fall off, optimize air pipeline flow field characteristic；
3, it avoids introducing sound absorber, effective protection air pipeline equipment improves the reliability of air pipeline；
4, structure is simple, easy to process, cheap；Directly existing air pipeline can be transformed, improve transformation
Economy；
5, water spray angle adjustable, suitable for the air pipeline of different parameters, suitability is strong.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, in which:
Fig. 1 is the air pipeline device assembling effect figure for humidifying noise reduction；
Fig. 2 is the top view of frames and frames interior section structure；
Fig. 3 is rotary type sparge pipe groups assembling structure schematic top plan view；
Fig. 4 is rotary type sparge pipe groups assembling structure schematic elevation view；
Fig. 5 is support tube and translation straight-bar connection schematic diagram；
Fig. 6 is hole for water spraying schematic cross-section；
Fig. 7 is drainage groove schematic cross-section；
Fig. 8 is the air pipeline working state of device schematic diagram for humidifying noise reduction；
In figure: 1, booster；2, outer water-supply-pipe；3, frames；4, interior pipeline；5, hole for water spraying；6, water tank；7, it drains
Pipe；8, drainage groove；9, drying layer；10, driver；11, rotary type sparge pipe；12, be translatable straight-bar；13, support tube；14, interior
Water-supply-pipe；15, frames wall surface；16, elastic material；17, water spray end；18, air pipeline lower wall surface groove；19, reservoir；
20, high pressure water flow；21, gas jet.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise " is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of
The description present invention and simplified description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with spy
Fixed orientation construction and operation, therefore be not considered as limiting the invention.
The present invention is based on principle be when there is certain pressure water jet spray into gas jet after, part water is impacted
Quick break afterwards；Momentum, energy exchange occur for atomized water and gas jet, make acoustic efficiency, the sound of the formed noise of gas jet
Power reduces.Based on this principle, the present invention will humidify noise reduction and combine with optimization air pipeline flow field characteristic, propose one
The air pipeline device of kind humidification noise reduction.
As shown in Figure 1, the air pipeline device of the humidification noise reduction in the present embodiment includes booster (1), outer water-supply-pipe
(2), frames (3), interior pipeline (4), hole for water spraying (5), water tank (6), drainpipe (7), drainage groove (8) and drying layer
(9)。
To avoid introducing noise source, the water tank (6), booster (1), outer water-supply-pipe (2), draining into air pipeline
Pipe (7) is mounted on outside air pipeline；Wherein, outer water-supply-pipe (2) and drainpipe (7) are suitable size pipeline, specific size by
Discharge pipe line water requirement determines；Outer water-supply-pipe (2) and drainpipe (7) by drainage groove (8), water tank (6), booster (1) and
Interior pipeline (4) connection, realizes high pressure water input and the recycling of water.The frames (3) are mounted on suitable inside air pipeline
Suitable position is normally at the noises larger parts such as air pipeline tail portion opening；Said inner tube road (4) is located at frames (3) inside,
It is particularly located at frames (3) head, lower section is connected with outer water-supply-pipe (2)；The hole for water spraying (5) is distributed in frames
Left and right sides wall surface；Drainage groove (8) setting is located in the lower part of drying layer (9) in the lower section of frames (3) tail portion
Side；The drying layer (9) is adhered to frames (3) two sides of tail.
The frames (3) be it is streamlined, section is symmetrical, can inhibit separation vortex generation and fall off, optimization ventilation duct
Road flow field characteristic；The frames (3) are installed in combination in air pipeline, and adjacent supports rack (3) in parallel, is propped up
The head and the tail line direction of support rack (3) should be consistent with the direction of gas jet in air pipeline；Adjacent supports rack (3) it
Between distance, frames (3) number etc. determined by the parameter of air pipeline；Gas jet (21) is by frames (3) head
Flow to frames (3) tail portion；The upper lower wall surface of frames (3) and air pipeline is rigidly connected；The frames (3) are also
It is used to support interior pipeline (4) and drainage groove (8).
As shown in Figure 2 and Figure 3, said inner tube road (4) include driver (10), rotary type sparge pipe (11), translation straight-bar
(12), support tube (13) and interior water-supply-pipe (14).
The specific structure on said inner tube road (4) are as follows: it is internal that the translation straight-bar (12) is located at frames (3), one end with
Driver (10) is connected, and driver (10) makes straight-bar (12) realization axial linear movement that is translatable.Below support tube (13) with it is outer defeated
Water pipe (2) is connected, and top and translation straight-bar (12) rigid connection, support tube (13) can follow translation straight-bar (12) to move,
As shown in Figure 5.Support tube (13) is hollow pipe, hingedly installs multiple groups rotary type sparge pipe from top to bottom to intersect nested mode
(11)；Every group of rotary type sparge pipe (11) is intersected by one end of two rotary type sparge pipes (11) form, specific structure such as Fig. 3 with
Shown in Fig. 4；Rotary type sparge pipe (11) other end is water spray end (17), can be at certain angle between two rotary type sparge pipes (11)
It spends and realizes relative rotation in range；Hole of the rotary type sparge pipe (11) at nested with support tube (13) is oval, ruler
It is very little to be greater than support tube (13) cross sectional dimensions；For further water supply pressurization, rotary type sparge pipe (11) is stepped, and caliber is in
Between position mutate, close to water spray end caliber it is smaller；All rotary type sparge pipe (11) caliber size phases in interior pipeline (4)
Together；The rotary type sparge pipe (11) and support tube (13) pass through single or mostly connect with interior water-supply-pipe (14), corresponding two
At an angle, and each rotary type sparge pipe (11) is in a rotary type sparge pipe (11) with frames (3) surface exterior normal
Angle is identical；The water spray end (17) of the rotary type sparge pipe (11) is in hole for water spraying (5), and without departing from frames (3)
Outer surface；Rotary type sparge pipe (11) is rotated when changing water spray angle around with hole for water spraying (5) junction.In the present specification,
A kind of achievable structure and driving method for changing water spray angle function is only described in detail, but not limited to this.
Hole for water spraying (5) aperture is greater than rotary type sparge pipe (11) caliber；The filling certain volume in hole for water spraying (5)
Elastic material (16)；To keep frames (3) wall surface smooth, position is answered with frames (3) outer surface on the outside of elastic material (16)
In on same smooth surface；The water spray end (17) of fixed rotary type sparge pipe (11) is squeezed by the elasticity of elastic material (16),
Rotary type sparge pipe (11) can rotate within the scope of certain angle, reach and adjust angle purpose；The spray of rotary type sparge pipe (11)
Water end (W.E.) (17) is without departing from frames (3) outer surface；The hole for water spraying (5) and rotary type sparge pipe (11) are complete by perpendicular array point
For cloth in the two sides of frames (3), single perpendicular array hole for water spraying (5) number and perpendicular matrix number are true according to the parameter of air pipeline
It is fixed.
Different gas jet (21) flow velocitys have different needs to the water spray angle of rotary type sparge pipe (11), can pass through
Driver (10), rotary type sparge pipe (11), translation straight-bar (12) and support tube (13) are realized；Water spray angle refers to high pressure water flow
(20) angled with frames (3) surface exterior normal institute；Change the movement transmittance process of water spray angle are as follows: driver (10) band
Dynamic translation straight-bar (12) axial movement, due to rigid connection, movement in the same direction, therefore band are done in support tube (13) and translation straight-bar (12)
Turn dynamic formula sparge pipe (11) rotates at hole for water spraying (5) and elastic material (16) extruding, to change the angle of water spray.
The drainage groove (8) includes air pipeline lower wall surface groove (18) and reservoir (19) two parts；Air pipeline
Lower wall surface groove (18) and the length of drying layer (9), width are consistent, are located at immediately below drying layer (9), are connected to drying layer (9)
With reservoir (19)；Water is flowed into reservoir (19) by air pipeline lower wall surface groove (18) from drying layer (9)；Reservoir
(19) it is located at the lower section of air pipeline lower wall surface, section can be to be trapezoidal, and reservoir (19) can be prevented because water flow is excessive, water
It overflows into air pipeline；Reservoir (19) is directly connected to drainpipe (7).The drying layer (9) is high absorbency material, such as
A variety of water-absorbing materials such as super absorbent resin, blend rubber composite material or sponge；To avoid introducing protrusion to air pipeline
Flow field impacts, should be with frames (3) outer surface on same smooth surface on the outside of drying layer (9).
Now the working condition of the air pipeline device of humidification noise reduction is described: as shown in figure 8, in air pipeline,
Gas jet (21) enters the channel between adjacent supports rack (3)；The air pipeline device of this humidification noise reduction is started to work, and is turned
Dynamic formula sparge pipe (11) sprays high pressure water flow (20) to gas jet (21)；The spray angle of rotary type sparge pipe (11) is according to logical
The parameter of air pipe line, gas flow rate and hydraulic pressure etc. determine；Gas jet (21) impulse high voltage water flow (20) in humidification region,
It is atomized water rapidly, exchanging for kinetic energy and energy occurs for gas jet (21) and water, reduces the acoustical power of aerodynamic noise；Atomization produces
Raw particle water can be propagated ambient noise in limited blocking air pipeline, and the effect for reducing ambient noise in air pipeline is reached
Fruit.
During the work time, the flow path of water constitutes circulation loop to the air pipeline device of humidification noise reduction；Whole
In the air pipeline device of a humidification noise reduction, the logical specific path of water flow are as follows: water is provided by water tank (6), via booster (1)
Enter support tube (13) by outer water-supply-pipe (2) after pressurization；High pressure water flows into rotary type sparge pipe by interior water-supply-pipe (14)
(11), it sprays into air pipeline in the form of high pressure water flow (20), collides with gas jet (21), the rapid mist of part water
Change；In frames (3) tail portion, all water are absorbed by drying layer (9), return to water storage by drainage groove (8) and drainpipe (7)
In case.
In air pipeline device of the design and installation using humidification noise reduction, as shown in Figure 1, hole for water spraying (5) presses linear array
The two sides of frames (3) are mounted on, and two sides hole for water spraying corresponds to each other；Meanwhile the present invention is to hole for water spraying (5) linear array number of columns
With no restrictions with hole for water spraying (5) quantity in each array；When engineering application, valve, control pair can be added in support tube (13) bottom
Answer whether hole for water spraying (5) array is discharged.In the air pipeline device of humidification noise reduction, booster (1) plays a part of to be pressurized water,
Pressure value is determined by concrete engineering situation.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art are not departing from the principle of the present invention and objective
In the case where can make changes, modifications, alterations, and variations to the above described embodiments within the scope of the invention.
Claims (10)
1. a kind of air pipeline device for humidifying noise reduction, it is characterised in that: including several frames；The frames installation
In air pipeline, the upper lower wall surface of upper and lower ends and air pipeline is rigidly connected；The cross sectional shape of the frames is pair
What is claimed is streamlined, and the cephlad-caudal of frames is consistent with gas flow direction, and gas jet is from frames head
Flow to frames tail portion；
The frames are hollow structure, interior pipeline are equipped in frames front inner, in frames front part sides
Several hole for water sprayings are provided on wall surface；
Said inner tube road includes driver, drive rod, support tube, interior water-supply-pipe and rotary type sparge pipe；Driver passes through transmission
Bar connects support tube, hinged several rotary type sparge pipes on support tube, before the water spray end of rotary type sparge pipe is in frames
At hole for water spraying in portion's two side walls, it is connected between rotary type sparge pipe and support tube by interior water-supply-pipe；The support tube connects
Connect the high-pressure water outside air pipe line；The driver can drive support tube mobile by drive rod, adjustment rotary type water spray
The water spraying direction of pipe；
Drying layer is disposed in frames rear portion two sides；In frames lower rear, it is located at drying layer lower position cloth
It is equipped with drainage groove, drying layer by the moisture absorption of ambient enviroment and can be discharged into drainage groove；Drainage groove connection ventilation
Drainpipe outside pipeline.
2. a kind of air pipeline device for humidifying noise reduction according to claim 1, it is characterised in that: further include water cyclic system
System；The water circulation system includes booster, outer water-supply-pipe, water tank and drainpipe；Wherein booster and water tank are in logical
Outside air pipe line；Interior pipeline inside outer water-supply-pipe connection booster and frames, drainpipe connect water tank and support machine
Drainage groove inside frame；Pass through piping connection between booster and water tank；It is high that water circulation system realizes that inside pipeline provides
Simultaneously realize that water recycles in pressure water source.
3. a kind of air pipeline device for humidifying noise reduction according to claim 1, it is characterised in that: the frames installation
In the noise figure higher position of air pipeline.
4. a kind of air pipeline device for humidifying noise reduction according to claim 1, it is characterised in that: if being equipped with multiple supports
Rack, then the line end to end of frames is mutually parallel.
5. a kind of air pipeline device for humidifying noise reduction according to claim 1, it is characterised in that: at frames rear portion two
Side wall surface indent, drying layer are arranged in recessed area, and drying layer outer surface and remaining area surfaces of frames are in same
On one curved surface.
6. a kind of air pipeline device for humidifying noise reduction according to claim 1, it is characterised in that: frames front part sides
Several columns hole for water spraying, cross section of each column hole for water spraying line perpendicular to frames are symmetrically provided on wall surface.
7. a kind of air pipeline device for humidifying noise reduction according to claim 1, it is characterised in that: hole for water spraying aperture, which is greater than, to be turned
Dynamic formula sparge pipe water spray port diameter fills resilient material between hole for water spraying and rotary type sparge pipe water spray end.
8. a kind of air pipeline device for humidifying noise reduction according to claim 7, it is characterised in that: the elastic material in hole for water spraying
Material surface and frames lateral surface are on same curved surface；Rotary type sparge pipe sprays water end end face without departing from the outside of frames
Face.
9. a kind of air pipeline device for humidifying noise reduction according to claim 1, it is characterised in that: the driver is mounted on
On the inside of frames upper surface；The support tube is perpendicular to frames upper and lower end faces, support tube lower end and external high pressure water
Source connection, support tube upper end connect drive rod；The drive rod is translation straight-bar, and driver is able to drive drive rod along support machine
Frame front-rear direction is mobile；Every two rotary type sparge pipe is one group, is hinged on support tube, the spray of same group of rotary type sparge pipe
Water end (W.E.) towards frames two sides hole for water spraying, when support tube is moved with drive rod along frames front-rear direction, Neng Gougai
Become the angle between same group of rotary type sparge pipe, realizes that water spray angle changes.
10. a kind of air pipeline device for humidifying noise reduction according to claim 1, it is characterised in that: rotary type sparge pipe is adopted
With varying cross-section duct, hydraulic pressure is further increased.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910315508.3A CN110081580B (en) | 2019-04-19 | 2019-04-19 | Ventilation pipeline device with humidifying and silencing functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910315508.3A CN110081580B (en) | 2019-04-19 | 2019-04-19 | Ventilation pipeline device with humidifying and silencing functions |
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| Publication Number | Publication Date |
|---|---|
| CN110081580A true CN110081580A (en) | 2019-08-02 |
| CN110081580B CN110081580B (en) | 2020-09-22 |
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ID=67415698
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910315508.3A Active CN110081580B (en) | 2019-04-19 | 2019-04-19 | Ventilation pipeline device with humidifying and silencing functions |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2259604Y (en) * | 1995-12-08 | 1997-08-13 | 陈家贤 | Vertical fluid dynamic cooling tower |
| CN108050633A (en) * | 2017-12-10 | 2018-05-18 | 梁靖 | Mute humidifying device |
| US20180238583A1 (en) * | 2017-02-17 | 2018-08-23 | S.I.Pan | Splitter and sound attenuator including the same |
| CN108871060A (en) * | 2018-06-29 | 2018-11-23 | 北京航天发射技术研究所 | Inhibit the emission system of periphery, high-order jet noise function with water spray |
| CN109458875A (en) * | 2018-10-29 | 2019-03-12 | 北京航天发射技术研究所 | A kind of spray cooling noise reduction system can adapt to a variety of rocket launching |
-
2019
- 2019-04-19 CN CN201910315508.3A patent/CN110081580B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2259604Y (en) * | 1995-12-08 | 1997-08-13 | 陈家贤 | Vertical fluid dynamic cooling tower |
| US20180238583A1 (en) * | 2017-02-17 | 2018-08-23 | S.I.Pan | Splitter and sound attenuator including the same |
| CN108050633A (en) * | 2017-12-10 | 2018-05-18 | 梁靖 | Mute humidifying device |
| CN108871060A (en) * | 2018-06-29 | 2018-11-23 | 北京航天发射技术研究所 | Inhibit the emission system of periphery, high-order jet noise function with water spray |
| CN109458875A (en) * | 2018-10-29 | 2019-03-12 | 北京航天发射技术研究所 | A kind of spray cooling noise reduction system can adapt to a variety of rocket launching |
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| Publication number | Publication date |
|---|---|
| CN110081580B (en) | 2020-09-22 |
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