CN206246425U - A kind of superfine low noise constructing tunnel blower fan - Google Patents
A kind of superfine low noise constructing tunnel blower fan Download PDFInfo
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- CN206246425U CN206246425U CN201621256208.0U CN201621256208U CN206246425U CN 206246425 U CN206246425 U CN 206246425U CN 201621256208 U CN201621256208 U CN 201621256208U CN 206246425 U CN206246425 U CN 206246425U
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- muffler
- water conservancy
- conservancy diversion
- air inlet
- straight section
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Abstract
A kind of superfine low noise constructing tunnel blower fan, including side suction silencer, straight curved combination muffler, water conservancy diversion suction silencer, main frame, water conservancy diversion air-out muffler, described straight curved combination muffler includes preceding straight section air inlet fan muffler, bent plate muffler, rear straight section air inlet fan muffler；There is multi-disc bending acoustical panel in bent plate muffler；It is cased with being filled with deadener in hush pipe, hush pipe barrel outside water conservancy diversion suction silencer, main frame, the barrel of water conservancy diversion air-out muffler；Beneficial effect is：Increase straight curved combination muffler and hush pipe on the basis of prior art water conservancy diversion suction silencer, side suction silencer, greatly reduce noise leakage, by test comparison, noise can reduce 30dB or so.
Description
Technical field
The utility model is related to a kind of blower fan, and in particular to a kind of superfine low noise constructing tunnel blower fan.
Background technology
At present, prior art removes haze high tower special fan（As shown in accompanying drawing 1, Fig. 2）, Chinese Patent Application No.：
2016107923810, it is characterized in that：There are multiple vertically disposed bloops 11 in bend pipe 10, bloop 11 is super by orifice plate cladding
Thin glass yarn cotton is formed；Noise can reduce 15dB or so.Vertically disposed bloop windage is small, and processing cost is low, but noise reduction
Effect is further improved.
A kind of super low noise constructing tunnel blower fan of prior art（As shown in accompanying drawing 3,4,5）, Chinese Patent Application No.：
201610919059X, it is characterized in that：Three sections are respectively mounted acoustical panel 6, stage casing before, during and after dividing in anti-coagulating action formula reflection muffler 2
Acoustical panel 6 vertically install, the acoustical panel 6 of leading portion and back segment is transversely mounted respectively；Noise can reduce 10dB or so.Due to anti-coagulating action
Formula reflection the inner casing 5 of muffler 2 in before, during and after three sections all point-blank, erasure effect is further improved.
The content of the invention
The purpose of this utility model is exactly that prior art is improved, and provides a kind of superfine low noise constructing tunnel and use
Blower fan.
The technical solution adopted in the utility model is to achieve these goals：A kind of superfine low noise constructing tunnel wind
Machine, including side suction silencer, straight curved combination muffler, water conservancy diversion suction silencer, main frame, water conservancy diversion air-out muffler, its feature
It is：Described straight curved combination muffler includes preceding straight section air inlet fan muffler, bent plate muffler, rear straight section air inlet fan noise reduction
Device；There is multi-disc acoustical panel in the preceding straight section air inlet fan muffler and rear straight section air inlet fan muffler；Have many in bent plate muffler
Piece bending acoustical panel；The two ends of bent plate muffler connect preceding straight section air inlet fan muffler and rear straight section air inlet fan noise reduction with flange
Acoustical panel in device, bending acoustical panel in bent plate muffler and preceding straight section air inlet fan muffler and rear straight section air inlet fan muffler
Stagger installation；The front end of preceding straight section air inlet fan muffler is connected with side suction silencer flange；Afterwards straight section air inlet fan muffler, lead
Stream suction silencer, main frame, water conservancy diversion air-out muffler are connected with flange successively；The acoustical panel and bending acoustical panel are by orifice plate bag
Superfine glass silk flosssilk wadding system is covered to form；Straight curved combination muffler, water conservancy diversion suction silencer, main frame, the barrel of water conservancy diversion air-out muffler
All it is double-deck, deadener is filled with double-deck barrel；Water conservancy diversion suction silencer, main frame, water conservancy diversion air-out muffler barrel
It is outer to be cased with being filled with deadener in hush pipe, hush pipe barrel.
Compared with prior art, the beneficial effects of the utility model are：Enter in prior art water conservancy diversion suction silencer 24, side
Increase straight curved combination muffler and hush pipe 9 on the basis of wind muffler 1, greatly reduce noise leakage, by test comparison,
Noise can reduce 30dB or so.
Brief description of the drawings
The utility model is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 is the structural representation that prior art combines muffler except haze high tower special fan is a kind of；
Fig. 2 is Figure 1A-A generalized sections；
Fig. 3 is the structural representation of prior art super low noise constructing tunnel blower fan；
Fig. 4 is Fig. 3 stage casings D-D profiles；
Fig. 5 is Fig. 3 leading portions B-B or back segment C-C profiles；
Fig. 6 is the structural representation of the utility model superfine low noise constructing tunnel blower fan embodiment；
Fig. 7 is the sectional view of Fig. 6 E-E or G-G positions；
Fig. 8 is the sectional view of Fig. 6 F-F positions.
Icon explanation：1. side suction silencer；2. anti-coagulating action formula reflects muffler；3. main frame；4. shell；5. inner casing；
6. acoustical panel；7. deadener；8. bending acoustical panel；9. hush pipe；10. bend pipe；11. bloops；13. axially enter
Muffler for fan；Straight section air inlet fan muffler before 21.；22. bent plate mufflers；Straight section air inlet fan muffler after 23.；24. water conservancy diversion
Suction silencer；25. water conservancy diversion air-out mufflers.
Specific embodiment
Fig. 1 is the structural representation that prior art combines muffler except haze high tower special fan is a kind of；Fig. 2 is Figure 1A-A
Generalized section；Except haze high tower special fan is by 13 groups of side suction silencer 1, elbow muffler and air inlet through hollow shaft machine muffler
Into, including side suction silencer 1, elbow muffler, the air inlet through hollow shaft machine muffler 13 being sequentially connected, the elbow muffler bag
Flange 4, bend pipe 10, bloop 11 are included, the two ends of the bend pipe 10 have in flange 4, bend pipe 10 and there are multiple vertically disposed noise reductions
Piece 11, bloop 11 is formed by orifice plate Coated glass fiber cotton.Vertically disposed bloop windage is small, and processing cost is low,
But erasure effect is further improved.
Fig. 3 is the structural representation of prior art super low noise constructing tunnel blower fan；Fig. 4 is Fig. 3 stage casings D-D sections
Figure；Fig. 5 is Fig. 3 leading portions B-B or back segment C-C profiles；Super low noise constructing tunnel blower fan, including side suction silencer 1, resistance
Solidifying formula reflection muffler 2, main frame 3, there is deadener 7 between shell, the inner casing of main frame 3, deadener is superfine glass silk flosssilk wadding,
The inlet side and air side of main frame 3 are respectively connected with an anti-coagulating action formula reflection muffler 2, and the present embodiment main frame 3 lists two-stage
To rotation main frame, there is provided anti-coagulating action formula reflection muffler 2, the anti-coagulating action formula reflects muffler 2 to the utility model compared to existing technology
It is made up of shell 4, inner casing 5, acoustical panel 6, deadener 7 is filled between shell 4, inner casing 5, deadener is superfine glass silk
Cotton, in inner casing 5 point before, during and after three sections be respectively mounted acoustical panel 6, the acoustical panel 6 in stage casing is vertically installed, and leading portion and back segment disappear
Soundboard 6 is transversely mounted respectively, and the deadener of acoustical panel 6 is formed by orifice plate Coated glass fiber cotton.Because anti-coagulating action formula is anti-
Before, during and after penetrating in the inner casing 5 of muffler 2 three sections all point-blank, erasure effect is further improved.
Fig. 6 is the structural representation of the utility model superfine low noise constructing tunnel blower fan embodiment, and Fig. 7 is Fig. 6 E-E
Or the sectional view of G-G positions, Fig. 8 is the sectional view of Fig. 6 F-F positions, and a kind of superfine low noise constructing tunnel of the utility model is used
Blower fan, including side suction silencer 1, straight curved combination muffler, water conservancy diversion suction silencer 24, main frame 3, water conservancy diversion air-out muffler
25, difference with the prior art is：Described straight curved combination muffler includes preceding straight section air inlet fan muffler 21, bent plate noise reduction
Device 22, rear straight section air inlet fan muffler 23；Have in the preceding straight section air inlet fan muffler 21 and rear straight section air inlet fan muffler 23
Multi-disc acoustical panel 6；There is multi-disc bending acoustical panel 8 in bent plate muffler 22；The two ends of bent plate muffler 22 are straight before being connected with flange
Section air inlet fan muffler 21 and rear straight section air inlet fan muffler 23, the bending acoustical panel 8 in bent plate muffler 22 enter with preceding straight section
Acoustical panel 6 in muffler for fan 21 and rear straight section air inlet fan muffler 23 staggers installation；Preceding straight section air inlet fan muffler 21
Front end is connected with the flange of side suction silencer 1；Straight section air inlet fan muffler 23, water conservancy diversion suction silencer 24, main frame 3, water conservancy diversion afterwards
Air-out muffler 25 is connected with flange successively；The acoustical panel 6 and bending acoustical panel 8 are by orifice plate Coated glass fiber cotton
Into；Straight curved combination muffler, water conservancy diversion suction silencer 24, main frame 3, the barrel of water conservancy diversion air-out muffler 25 are all double-deck, bilayers
Deadener 7 is filled with barrel；It is cased with disappearing outside water conservancy diversion suction silencer 24, main frame 3, the barrel of water conservancy diversion air-out muffler 25
Sound cylinder 9, is filled with deadener 7 in the barrel of hush pipe 9.The above deadener 7 is superfine glass silk flosssilk wadding.
The utility model increases straight curved group on the basis of prior art water conservancy diversion suction silencer 24, side suction silencer 1
Muffler and hush pipe 9 are closed, noise leakage is greatly reduced, by test comparison, noise can reduce 30dB or so.
Claims (1)
1. a kind of superfine low noise constructing tunnel blower fan, including side suction silencer, straight curved combination muffler, water conservancy diversion air intake disappear
Sound device, main frame, water conservancy diversion air-out muffler, it is characterised in that：Described straight curved combination muffler includes preceding straight section air inlet fan noise reduction
Device, bent plate muffler, rear straight section air inlet fan muffler；In the preceding straight section air inlet fan muffler and rear straight section air inlet fan muffler
There is multi-disc acoustical panel；There is multi-disc bending acoustical panel in bent plate muffler；Straight section enters before the two ends flange connection of bent plate muffler
Muffler for fan and rear straight section air inlet fan muffler, bending acoustical panel in bent plate muffler and preceding straight section air inlet fan muffler and
The acoustical panel in straight section air inlet fan muffler staggers installation afterwards；The front end of preceding straight section air inlet fan muffler and side suction silencer method
Orchid connection；Straight section air inlet fan muffler, water conservancy diversion suction silencer, main frame, water conservancy diversion air-out muffler are connected with flange successively afterwards；Institute
Acoustical panel and bending acoustical panel is stated to be formed by orifice plate Coated glass fiber cotton；Straight curved combination muffler, water conservancy diversion air intake noise reduction
Device, main frame, the barrel of water conservancy diversion air-out muffler are all double-deck, and deadener is filled with double-deck barrel；In water conservancy diversion air intake noise reduction
It is cased with being filled with deadener in hush pipe, hush pipe barrel outside device, main frame, the barrel of water conservancy diversion air-out muffler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621256208.0U CN206246425U (en) | 2016-11-23 | 2016-11-23 | A kind of superfine low noise constructing tunnel blower fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621256208.0U CN206246425U (en) | 2016-11-23 | 2016-11-23 | A kind of superfine low noise constructing tunnel blower fan |
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| Publication Number | Publication Date |
|---|---|
| CN206246425U true CN206246425U (en) | 2017-06-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621256208.0U Active CN206246425U (en) | 2016-11-23 | 2016-11-23 | A kind of superfine low noise constructing tunnel blower fan |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106640772A (en) * | 2016-11-23 | 2017-05-10 | 山西巨龙风机有限公司 | Draught fan for special grade low-noise tunnel construction |
| CN112377431A (en) * | 2020-11-30 | 2021-02-19 | 平安电气股份有限公司 | Ultra-low noise high-efficiency axial flow fan |
| EP4108928A1 (en) * | 2021-06-25 | 2022-12-28 | Yamabiko Corporation | Axial flow blower |
-
2016
- 2016-11-23 CN CN201621256208.0U patent/CN206246425U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106640772A (en) * | 2016-11-23 | 2017-05-10 | 山西巨龙风机有限公司 | Draught fan for special grade low-noise tunnel construction |
| CN112377431A (en) * | 2020-11-30 | 2021-02-19 | 平安电气股份有限公司 | Ultra-low noise high-efficiency axial flow fan |
| EP4108928A1 (en) * | 2021-06-25 | 2022-12-28 | Yamabiko Corporation | Axial flow blower |
| US11898564B2 (en) | 2021-06-25 | 2024-02-13 | Yamabiko Corporation | Axial flow blower |
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