CN207849413U - Noise reduction rain-proof drains blast cap - Google Patents
Noise reduction rain-proof drains blast cap Download PDFInfo
- Publication number
- CN207849413U CN207849413U CN201721912439.7U CN201721912439U CN207849413U CN 207849413 U CN207849413 U CN 207849413U CN 201721912439 U CN201721912439 U CN 201721912439U CN 207849413 U CN207849413 U CN 207849413U
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- tube
- noise reduction
- cap
- noise
- conical
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Abstract
The utility model discloses a kind of noise reduction rain-proofs to drain blast cap, including cylinder, it includes upper and lower cone cylinder, the barrel of the two all includes inside and outside barrel and noise reduction layer, one open lower cone cap is installed in cylinder, the lower end of lower cone cap connects aqueduct, and aqueduct tilts down and the barrel of slower conical tube is passed through to reach outside cylinder；Noise is entered by air inlet in the utility model, after noise first passes through punching acoustical panel and the noise reduction layer noise reduction sound absorption of slower conical tube, it is repelled again to the punching acoustical panel and noise reduction layer of upper conical-tube, and be discharged by air outlet, in the process, noise is dry by repeatedly rebounding, eliminating the noise, subtract, noise can be down to 50 60dB, noise elimination noise reduction effect is ideal, meets and be higher than discharging standards, has the function of eliminating chimney air outlet radiated noise；And the requirement that the blast cap can also meet ventilation and prevent karaburan, sleet water enchroachment (invasion) from attacking, and have many advantages, such as small, light-weight, simple installation, low cost.
Description
Technical field
The utility model is related to a kind of turncaps, are especially mounted on chimney air outlet, while having noise reduction, rain-proof work(
The rain-proof of energy drains blast cap.
Background technology
Chimney rain screen, rainhat are the umbrella crown and several branch of the thing of similar umbrella, a pyramid type or dome-type
Strut forms, and is generally used on exhausting pipeline and chimney vertically upward, prevents rainwater from entering pipeline and being arranged.
For normal discharge exhaust gas, the exhaust gas of chimney inevitably by wind turbine and is set often via wind turbine pressurised exhaust
Standby noise is radiated via chimney air outlet, and since the installation position of chimney is higher, no effective barrier barrier causes around quite
Environment is made a big impact by influence of noise to sensitive point for noise in big range.Market upper fan disappears not taking at present
100 decibels of the noise ＞ of generation is run in the case of sound, is more than required standard noise figure.So current way is first to set
Fans silencer is set, smoke stack emission is entered back into after reducing noise.But if the position of the not reserved silencer of wind turbine computer room,
It would become hard to reach noise reduction.
Existing cap structure is simple, such as Chinese patent《Rain-proof noise elimination blast cap》, application publication number：CN
105091006A, disclosed rain-proof noise elimination rain cap, although having the function of noise elimination and waterproof simultaneously, the effect of the two is all paid no attention to
Think, for example the collection and discharge of rainwater are unsmooth, noise elimination effect is also undesirable, all urgently improves.
To overcome the above disadvantages, the positive innovation research of those skilled in the art, to create a kind of novel noise reduction
Rain-proof drains blast cap.
Utility model content
For the utility model mainly solving the technical problems that providing a kind of noise reduction rain-proof draining blast cap, noise passes through air inlet
After the punching acoustical panel and the noise reduction layer noise reduction sound absorption that first pass through slower conical tube into, noise, it is repelled again to the punching of upper conical-tube
Acoustical panel and noise reduction layer, and be discharged by air outlet, in the process, noise is dry by repeatedly rebounding, eliminating the noise, subtract, and can will make an uproar
Sound is down to 50-60dB, and noise elimination noise reduction effect is ideal, meets and be higher than discharging standards, has and eliminates the radiation of chimney air outlet
The function of noise；And the requirement that the blast cap can also meet ventilation and prevent karaburan, sleet water enchroachment (invasion) from attacking, and there is volume
The advantages that small, light-weight, simple installation, low cost.
In order to solve the above technical problems, the technical solution that the utility model uses is：A kind of noise reduction rain-proof row is provided
Water blast cap, including cylinder, the cylinder includes the slower conical tube of the tapered upper conical-tube of bore and bore decrement, under the upper conical-tube
End is connect with the upper end of the slower conical tube, and the lower end of the slower conical tube is air inlet, and the upper end of the upper conical-tube is air outlet, institute
The barrel for stating upper conical-tube and the slower conical tube includes outer tube wall and the inner tube wall positioned at the inside of the outer tube wall, the inner tube wall
Noise reduction layer is equipped between outer tube wall, the thickness of the noise reduction layer is 80-120mm, and the inner tube wall is punching acoustical panel；
One open lower cone cap is installed, the lower end of the lower cone cap connects aqueduct, the aqueduct in the cylinder
It tilts down and the barrel of the slower conical tube is passed through to reach outside cylinder；It is described it is lower cone cap height be 250-290mm, and it is described under
Diameter of a circle is 780-820mm where boring the upper surface of cap, and the angle between the aqueduct and the horizontal plane is 10-12 °；
The height of the cylinder is 1100-1200mm, and the upper conical-tube and the outer diameter of the junction of the slower conical tube are
1300-1380mm, and internal diameter is 1100-1160mm；The outlet air of the internal diameter of the air inlet of the slower conical tube and the upper conical-tube
Internal diameter at mouthful is 780-820mm.
It further says, the noise reduction layer is silencing cotton layer or noise reduction layer of cloth.
It further says, the punching acoustical panel is the galvanized sheet for being uniformly covered with through-hole, and the aperture of the through-hole is 3-
The pitch of holes of 4mm, the adjacent through-hole are 2-3mm.
It further says, the height of the lower cone cap is 272mm, and diameter of a circle where the upper surface of the lower cone cap is
800mm, the angle between the aqueduct and the horizontal plane are 11 °.
It further says, the height of the cylinder is 1150mm, and the upper conical-tube is outer with the junction of the slower conical tube
Diameter is 1330mm, and internal diameter is 1130mm；At the air outlet of the internal diameter of the air inlet of the slower conical tube and the upper conical-tube
Internal diameter is 800mm.
It further says, the upper end of the lower cone cap is concordant with the upper end of the slower conical tube.
It further says, the inner tube wall of the barrel of the slower conical tube and the slower conical tube is fixed by connection strap spot welding to be connected
It connects.
Further say that all also there is one layer of sound insulation between the upper conical-tube and the outer tube wall and inner tube wall of the slower conical tube
The thickness of net, the sound insulation net is 2-5mm, and the sound insulation net is the metal mesh for being uniformly covered with multiple grids, the length of the grid
Degree is 2-3mm and width is 1.2-2.5mm.
It further says, the blast cap is connect by the lower end connecting flange of the lower cone cap by flange with chimney.
It further says, the lower cone cap is the cone cap of galvanized steel material.
The utility model has the beneficial effects that：The advantages of the utility model, at least has the following：
One, the utility model includes upper conical-tube and slower conical tube, and the barrel of the two all includes outer tube wall, noise reduction layer and inner cylinder
Wall, and inner tube wall is punching acoustical panel, noise is entered by air inlet, and noise first passes through punching acoustical panel and the noise reduction of slower conical tube
After layer noise reduction sound absorption, it is repelled again to the punching acoustical panel and noise reduction layer of upper conical-tube, and be discharged by air outlet, in this process
In, noise is dry by repeatedly rebounding, eliminating the noise, subtract, and can noise be down to 50-60dB, noise elimination noise reduction effect is ideal, meets and high
In discharging standards, have the function of eliminating chimney air outlet radiated noise；
When encountering sleet sky, rainwater or snow can be fallen into epicone cap, and are discharged by aqueduct, can be met ventilation and be prevented
The requirement that karaburan, sleet water enchroachment (invasion) are attacked；And the angle of inclination setting of aqueduct is reasonable, is not easy to plug, is convenient for the discharge of rainwater；
Two, the lower cone cap of the utility model can be the blast cap of galvanized steel matter, other than with rain-proof drain function, also
Noise rebound number can be increased so that noise first passes through rebound after lower cone cap is rebounded again to slower conical tube and increases noise to upper conical-tube
Rebound number, and is punched the time of acoustical panel and noise reduction layer absorption, and very big limit absorbs noise, plays Noise Reduction；
Three, the setting of the diameter and upper conical-tube and slower conical tube size of the height and open-mouth of the lower cone cap of the utility model
Rationally, the flowing of wind speed will not be both hindered, can ensure that wind turbine obtains enough intakes；Noise can be made anti-to the greatest extent again
Bullet, noise reduction, noise reduction are good；
Four, the structure of the utility model is simplified, and convenient for manufacture and is installed, and low cost；It is light-weight simultaneously, it is readily transported；
Five, the lower cone cap of the utility model is the cone cap of galvanized steel material, and the outer tube wall of upper conical-tube and slower conical tube is all carbon
Steel plate, resistance to smoke-shock, resistance of rainwater washing against, corrosion resistance is strong, long lifespan, safeguards simple；Power is not needed during use, is saved
Can be environmentally friendly, operating cost is low；
Six, the mounting means of the utility model is simple, can be by being connected between flange and chimney, without occupying wind turbine computer room
Space, it is convenient for installation and maintenance.
The above description is merely an outline of the technical solution of the present invention, in order to better understand the skill of the utility model
Art means, and can be implemented in accordance with the contents of the specification, below on the preferred embodiment of the present invention and the accompanying drawings in detail
It describes in detail bright as after.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the vertical view (at slower conical tube) of the utility model；
Each section label is as follows in attached drawing：
Upper conical-tube 1, slower conical tube 2, air inlet 3, air outlet 4, outer tube wall 5, inner tube wall 6, noise reduction layer 7, lower cone cap 8, water guide
Upper surface place diameter of a circle D1, the water guide of pipe 9, connection strap 10, flange 11, the height H1 of the lower cone cap, lower cone cap
The height H2 of angle α, cylinder between pipe and the horizontal plane, the outer diameter of the upper conical-tube and the junction of the slower conical tube
Internal diameter D5 at the internal diameter D4 of the air inlet of D2 and internal diameter D3, the slower conical tube and the air outlet of the upper conical-tube.
Specific implementation mode
Illustrate that specific embodiment of the present utility model, those skilled in the art can below by way of particular specific embodiment
The advantages of the utility model is understood by content disclosed in the present specification easily and effect.The utility model can also it is other not
Same mode is practiced, that is, under the scope of revealed without departing substantially from the utility model, can give different modification and change.
Embodiment：A kind of noise reduction rain-proof draining blast cap, as depicted in figs. 1 and 2, including cylinder, the cylinder include bore
The slower conical tube 2 of tapered upper conical-tube 1 and bore decrement, the lower end of the upper conical-tube is connect with the upper end of the slower conical tube, described
The lower end of slower conical tube is air inlet 3, and the upper end of the upper conical-tube is air outlet 4, the barrel of the upper conical-tube and the slower conical tube
Inner tube wall 6 including outer tube wall 5 and positioned at the inside of the outer tube wall is equipped with noise reduction layer 7 between the inner tube wall and outer tube wall,
The thickness of the noise reduction layer is 80-120mm, and the inner tube wall is punching acoustical panel；
One open lower cone cap 8 is installed, the lower end of the lower cone cap connects aqueduct 9, the water guide in the cylinder
Pipe tilts down and the barrel of the slower conical tube is passed through to reach outside cylinder；The height H1 of the lower cone cap is 250-290mm, and institute
Diameter of a circle D1 where stating the upper surface of lower cone cap is 780-820mm, and the angle α between the aqueduct and the horizontal plane is
10-12°；
The height H2 of the cylinder is 1100-1200mm, the outer diameter D 2 of the upper conical-tube and the junction of the slower conical tube
For 1300-1380mm, and internal diameter D3 is 1100-1160mm；The internal diameter D4 and the upper conical-tube of the air inlet of the slower conical tube
Air outlet at internal diameter D5 be 780-820mm.
The noise reduction layer is silencing cotton layer or noise reduction layer of cloth.
The punching acoustical panel is the galvanized sheet for being uniformly covered with through-hole, and the aperture of the through-hole is 3-4mm, adjacent described logical
The pitch of holes in hole is 2-3mm.
In the present embodiment, it is preferred that the height of the lower cone cap is 272mm, and round where the upper surface of the lower cone cap
A diameter of 800mm, the angle between the aqueduct and the horizontal plane is 11 °.
The height of the cylinder is 1150mm, and the outer diameter of the junction of the upper conical-tube and the slower conical tube is 1330mm,
And internal diameter is 1130mm；Internal diameter at the air outlet of the internal diameter of the air inlet of the slower conical tube and the upper conical-tube is 800mm.
The upper end of the lower cone cap is concordant with the upper end of the slower conical tube.
In the present embodiment, the barrel of the lower cone cap and the inner tube wall of the slower conical tube are fixed by 10 spot welding of connection strap and are connected
It connects.
All also there is one layer of sound insulation net, the sound insulation between the upper conical-tube and the outer tube wall and inner tube wall of the slower conical tube
The thickness of net is 2-5mm, and the sound insulation net be the metal mesh for being uniformly covered with multiple grids, the length of the grid for 2-3mm and
Width is 1.2-2.5mm.
The blast cap is connect by the lower end connecting flange 11 of the slower conical tube by flange with chimney.
The lower cone cap is the cone cap of galvanized steel material.
The operation principle and the course of work of the utility model are as follows：
Noise is entered by air inlet, after noise first passes through punching acoustical panel and the noise reduction layer noise reduction sound absorption of slower conical tube, then
It is secondary to be repelled to the punching acoustical panel and noise reduction layer of upper conical-tube, and be discharged by air outlet, in the process, noise passes through multiple
It rebounds, eliminate the noise, subtracting dry, noise can be down to 50-60dB, noise elimination noise reduction effect is ideal, meets and is simultaneously higher than discharging standards, tool
There is the function of eliminating chimney air outlet radiated noise；
When encountering sleet sky, rainwater or snow can be fallen into epicone cap, and are discharged by aqueduct, can be met ventilation and be prevented
The requirement that karaburan, sleet water enchroachment (invasion) are attacked.
The above description is only the embodiments of the present invention, and it does not limit the scope of the patent of the present invention, every
Equivalent structure made based on the specification and figures of the utility model is applied directly or indirectly in other relevant technologies
Field is equally included in the patent within the scope of the utility model.
Claims (10)
1. a kind of noise reduction rain-proof drains blast cap, it is characterised in that：Including cylinder, the cylinder includes the tapered upper conical-tube of bore
(1) it is connect with the upper end of the slower conical tube with the slower conical tube (2) of bore decrement, the lower end of the upper conical-tube, the slower conical tube
Lower end is air inlet (3), and the upper end of the upper conical-tube is air outlet (4), and the barrel of the upper conical-tube and the slower conical tube includes
Outer tube wall (5) and inner tube wall (6) positioned at the inside of the outer tube wall are equipped with noise reduction layer between the inner tube wall and outer tube wall
(7), the thickness of the noise reduction layer is 80-120mm, and the inner tube wall is punching acoustical panel；
One open lower cone cap (8), the lower end connection aqueduct (9) of the lower cone cap, the water guide are installed in the cylinder
Pipe tilts down and the barrel of the slower conical tube is passed through to reach outside cylinder；The height (H1) of the lower cone cap is 250-290mm, and
Diameter of a circle (D1) where the upper surface of the lower cone cap is 780-820mm, the angle (α) between the aqueduct and horizontal plane
It is 10-12 °；
The height (H2) of the cylinder is 1100-1200mm, the outer diameter (D2) of the upper conical-tube and the junction of the slower conical tube
For 1300-1380mm, and internal diameter (D3) is 1100-1160mm；The internal diameter (D4) of the air inlet of the slower conical tube and it is described on
Internal diameter (D5) at the air outlet of cone cylinder is 780-820mm.
2. noise reduction rain-proof according to claim 1 drains blast cap, it is characterised in that：The noise reduction layer is silencing cotton layer or disappears
Sound layer of cloth.
3. noise reduction rain-proof according to claim 1 drains blast cap, it is characterised in that：The punching acoustical panel is uniformly to be covered with
The aperture of the galvanized sheet of through-hole, the through-hole is 3-4mm, and the pitch of holes of the adjacent through-hole is 2-3mm.
4. noise reduction rain-proof according to claim 1 drains blast cap, it is characterised in that：The height of the lower cone cap is 272mm,
And diameter of a circle where the upper surface of the lower cone cap is 800mm, the angle between the aqueduct and the horizontal plane is
11°。
5. noise reduction rain-proof according to claim 1 drains blast cap, it is characterised in that：The height of the cylinder is 1150mm,
The upper conical-tube and the outer diameter of the junction of the slower conical tube are 1330mm, and internal diameter is 1130mm；The air inlet of the slower conical tube
Internal diameter at mouthful and the internal diameter at the air outlet of the upper conical-tube are 800mm.
6. noise reduction rain-proof according to claim 1 drains blast cap, it is characterised in that：It is described it is lower cone cap upper end with it is described under
The upper end of cone cylinder is concordant.
7. noise reduction rain-proof according to claim 1 drains blast cap, it is characterised in that：It is described it is lower cone cap barrel with it is described under
The inner tube wall of cone cylinder is fixedly connected by connection strap (10) spot welding.
8. noise reduction rain-proof according to claim 1 drains blast cap, it is characterised in that：The upper conical-tube and the slower conical tube
All also there is one layer of sound insulation net, the thickness of the sound insulation net is 2-5mm, and the sound insulation net is uniform between outer tube wall and inner tube wall
It is covered with the metal mesh of multiple grids, the length of the grid is 2-3mm and width is 1.2-2.5mm.
9. noise reduction rain-proof according to claim 1 drains blast cap, it is characterised in that：The lower end connecting flange of the slower conical tube
(11), the blast cap is connect with chimney by flange.
10. noise reduction rain-proof according to claim 1 drains blast cap, it is characterised in that：The lower cone cap is galvanized steel material
Cone cap, the outer tube wall of the upper conical-tube and the slower conical tube is all carbon steel sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721912439.7U CN207849413U (en) | 2017-12-30 | 2017-12-30 | Noise reduction rain-proof drains blast cap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721912439.7U CN207849413U (en) | 2017-12-30 | 2017-12-30 | Noise reduction rain-proof drains blast cap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207849413U true CN207849413U (en) | 2018-09-11 |
Family
ID=63416325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721912439.7U Expired - Fee Related CN207849413U (en) | 2017-12-30 | 2017-12-30 | Noise reduction rain-proof drains blast cap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207849413U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108006681A (en) * | 2017-12-30 | 2018-05-08 | 江苏永益环保科技有限公司 | Noise reduction rain-proof draining blast cap |
| CN116104214A (en) * | 2022-10-19 | 2023-05-12 | 苏州赛为斯环境科技有限公司 | Rainproof silencer |
-
2017
- 2017-12-30 CN CN201721912439.7U patent/CN207849413U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108006681A (en) * | 2017-12-30 | 2018-05-08 | 江苏永益环保科技有限公司 | Noise reduction rain-proof draining blast cap |
| CN116104214A (en) * | 2022-10-19 | 2023-05-12 | 苏州赛为斯环境科技有限公司 | Rainproof silencer |
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Legal Events
| 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: 20180911 Termination date: 20201230 |