CN204780814U - Water -storage power station combination formula protection sound lock device - Google Patents
Water -storage power station combination formula protection sound lock device Download PDFInfo
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- CN204780814U CN204780814U CN201520404725.7U CN201520404725U CN204780814U CN 204780814 U CN204780814 U CN 204780814U CN 201520404725 U CN201520404725 U CN 201520404725U CN 204780814 U CN204780814 U CN 204780814U
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- 238000003860 storage Methods 0.000 title claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title abstract description 21
- 238000013016 damping Methods 0.000 claims abstract description 37
- 238000009413 insulation Methods 0.000 claims abstract description 23
- 230000007797 corrosion Effects 0.000 claims abstract description 13
- 238000005260 corrosion Methods 0.000 claims abstract description 13
- 229920006389 polyphenyl polymer Polymers 0.000 claims abstract description 11
- 239000000843 powder Substances 0.000 claims abstract description 11
- 230000009467 reduction Effects 0.000 claims abstract description 11
- 238000013461 design Methods 0.000 claims abstract description 9
- 229920000742 Cotton Polymers 0.000 claims abstract description 4
- 239000010410 layer Substances 0.000 claims description 35
- 239000000463 material Substances 0.000 claims description 14
- 239000003292 glue Substances 0.000 claims description 10
- 239000002245 particle Substances 0.000 claims description 10
- 230000001788 irregular Effects 0.000 claims description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- 239000004411 aluminium Substances 0.000 claims description 6
- 238000003032 molecular docking Methods 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- 239000012790 adhesive layer Substances 0.000 claims description 3
- 230000007613 environmental effect Effects 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 3
- 229920000728 polyester Polymers 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 abstract description 8
- 238000009434 installation Methods 0.000 abstract description 4
- 238000009423 ventilation Methods 0.000 abstract description 4
- 230000002349 favourable effect Effects 0.000 abstract 1
- 238000009472 formulation Methods 0.000 abstract 1
- 239000008187 granular material Substances 0.000 abstract 1
- 239000011521 glass Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000001808 coupling effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000003595 spectral effect Effects 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 238000010977 unit operation Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
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- 230000030279 gene silencing Effects 0.000 description 1
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Abstract
The utility model discloses a water -storage power station combination formula protection sound lock device, the closed body that gives sound insulation including sound lock canned paragraph, sound lock equipment section, the current door of sound lock and top layer sound -proof wall enclose still is provided with ventilation amortization system, the lateral wall is fixed with combination amortization piece in the corrosion resistant plate inboard, includes the micropunch abatvoix and the at least two -layer low frequency damping sound insulating layer that lean on the inlayer, and low frequency damping sound insulating layer is including the ripple supporting network piece that lies in the center, the soundproof cotton of thickness such as sets up in the outside of supporting network piece, the flat rubber powder polyphenyl grained layer of thickness such as is provided with in supporting network piece inboard, and all the other are rubber granule bond line. The utility model discloses the sound lock adopts two soundproof doors and inside sound absorption spacial combination, and the design is nimble, design of combination formula and installation, convenient to detach, needs when satisfying the overhaul. Through the installation sound lock, equipment on -the -spot noise reduction of when operation satisfies work hygienic standard, is favorable to being engaged in the healthy of on -the -spot on duty, the staff that overhauls.
Description
Technical field
The utility model belongs to pumped storage power plant Noise cancellation technology field, is specifically related to a kind of modular guard sound lock device pumped storage power plant being carried out to local flow improvement formation.
Background technology
Precious spring pumped storage power plant is equipped with 4 300MW reversible pumped storage machines, has generating, turbine condenser mode, draws water, draw water phase modulation and emergency duty, black starting-up function, unit rated head 510m, rated speed 500rpm.Pump turbine tears structure open in being, water wheel chamber is open type, water wheel chamber noise source is mainly unit acts on generation in running noise between runner and current, due to pumped storage power plant high water head, high-revolving feature, so the noise that during unit operation, water wheel chamber produces is very large, and ceiling, metope etc. are smooth hard reflecting surface, the reverberation sound superposition that noise produces in water wheel chamber.
Water wheel chamber, between totally 4, chooses a monitoring point: 4# water wheel chamber equipment 1 meter of, and equipment runs: 108dB(A); Background sound: about 65dB(A).Can calculate according to noise source principle of stacking, if 4 units work simultaneously, its opening part noise figure must more than 100dB (A), add in factory building to be smooth steel concrete metope, metope sound absorption coefficient is very low again, and this causes again reverberation sound in factory building to increase, and noise figure in factory building can be made to raise further, well beyond national labour hygiene standard 85dB (A), have a strong impact on duty, the service work of field personnel and damage healthy.
Water wheel chamber noise shows as mechanical noise and aerodynamic noise, in obvious medium and low frequency characteristic.Sound lock is installed with isolated waterwheel room noise in water wheel chamber exit, and the interchannel of sound lock forms absorbent treatment.By installing sound lock, the noise that during unit operation, water wheel chamber produces can effectively be reduced, and is beneficial to the healthy of the staff being engaged in on-the-spot on duty, maintenance.
Summary of the invention
The utility model is large for the standby noise of current storage station installing, the problem of sound insulation value difference, provides a kind of noise that effectively can reduce water wheel chamber and produce, and is beneficial to the healthy modular guard sound lock device of the staff being engaged in on-the-spot on duty, maintenance.
For achieving the above object, the utility model adopts following technical scheme: provide a kind of pumped storage power plant modular guard sound lock device, comprise sound lock canned paragraph, sound lock assembling section, sound lock pass through door and top layer sound-proof wall surrounds closed sound insulation body, the sound lock canned paragraph being positioned at two ends is separately fixed on passage body of wall, and sound lock assembling section and sound lock canned paragraph carry out sound insulation assembling; Also be provided with ventilating noise reduction system; The pass through sidewall of door of described sound lock canned paragraph, sound lock assembling section and sound lock is inside corrosion resistant plate, be fixed with combination bloop, this combination bloop comprises the micropunch abatvoix of inner layer and at least two-layer low frequency damping soundproof course, and low frequency damping soundproof course to be positioned at inside corrosion resistant plate and to wrap up stainless steel keel; Described low frequency damping soundproof course is rectangle or sliceable male-female structure, comprise the ripple being positioned at center and support mesh sheet, at the Sound-proof material of the arranged outside equal thickness of support mesh sheet, supporting the flat glue powder polyphenyl particle layer being provided with equal thickness inside mesh sheet, all the other are rubber grain adhesive layer.
The ripple that described ripple supports mesh sheet is the regular ripple that wavelength is equal, and described at least two-layer low frequency damping soundproof course, the wavelength of regular ripple supporting network sheet from inside to outside increases gradually.
The ripple that described ripple supports mesh sheet is the unequal irregular ripple of wavelength, and described at least two-layer low frequency damping soundproof course, the mean wavelength of irregular ripple supporting network sheet from inside to outside increases gradually.
Adopt bridging arrangement between neighboring low damping soundproof course, be pasted together by the support mesh sheet in neighboring low damping soundproof course, the Sound-proof material peace glue powder polyphenyl particle layer overlap joint that overlaps respectively.
Described sound lock assembling section or the sound lock door that passes through is provided with sound insulation observation port.The tuyere position of ventilating noise reduction system is provided with sound absorbing louver.Described combination bloop is fixed with at the channel side wall of ventilating noise reduction system.
Described sound lock canned paragraph, sound lock assembling section and sound lock pass through door adjacent between docking adopt double step coupling sealing docking.
Described Sound-proof material selects environmental protection polyester fiber acoustical cotton.Described micropunch abatvoix adopts micropunch aluminium matter acoustical board, and the perforated percentage of micropunch aluminium matter acoustical board and aperture, design by the third-octave of the centre frequency of 500Hz.
The beneficial effects of the utility model are: 1. sound lock adopts two soundproof door structure, are equipped with passage sound absorption process simultaneously, reach and reduce sound source reverberation sound and its leakage sound double goal isolated.Low frequency damping soundproof course is pasted in the inner side of corrosion resistant plate, arranges sound lock increasable sound insulation factor design formulas as follows:
N=10lg（1/s[cos4/2πd2+(1-α)/A]）
In formula: N: sound insulation factor, A: the total absorption of sound lock inner surface, S: door leaf area, α: sound lock inner surface average sound absorption coefficient, the centre distance of d: two.
As calculated, after this sound lock process, the noise figure in water wheel chamber exit will be reduced more than 30dB (A) by this sound lock, and consider transaudient cannot the overcoming of vibration, its total noise reduction can ensure at more than 25dB (A).
2. sound lock adopts two soundproof door and inner sound absorption Spatial Coupling, flexible design, and combined type design and installation, be convenient to dismounting, meet needs during overhaul.By installing sound lock, when equipment runs, on-site noise reduces, and meets labour hygiene standard, is conducive to being engaged in the healthy of the staff of on-the-spot on duty, maintenance.
3. sound insulation observation port is set, is convenient to internal unit service behavior between facilities for observation.Adopt sound insulation film in double-layer glass centre to paste, layer glass thickness will meet spectral characteristics of noise, and forms the angle of micro-angle in the middle of layer glass, prevents coupling effect from producing, sound insulation property is reached maximum efficiency.
Accompanying drawing explanation
Fig. 1 is the utility model sound lock floor map;
Fig. 2 is the utility model sound lock elevation;
Fig. 3 is the utility model sound lock layout plan;
Fig. 4 is the sectional schematic diagram of sound absorption passage in the middle of the utility model sound lock;
Fig. 5 is the cross-sectional view of the utility model sound lock sound-proof wall;
Fig. 6 is the A portion structure for amplifying schematic diagram of Fig. 5;
Fig. 7 is the B portion structure for amplifying schematic diagram of Fig. 5;
Fig. 8 is that combination sound-proof wall or sound insulation are passed through door double step schematic diagram;
Fig. 9 and Figure 10 is air intake and the air-out passage installation sound insulation system schematic diagram of sound lock respectively.
In figure, label 1 is combination sound lock, and 2 is maintenance track, and 3 is pumped storage machine, and 4 is body of wall.101 is sound lock canned paragraph, 102 is sound absorbing louver, 103 is sound insulation observation port, 104 to pass through door for sound lock, 105 is sound lock assembling section, 106 is blower fan, 107 is air-out noise reduction road, 108 is air intake noise reduction road, 109 is top layer sound-proof wall, 110 is side sound-proof wall, 111 is combination bloop, 112 is corrosion resistant plate, 113 is stainless steel keel, 114 is outer low frequency damping soundproof course, 115 is middle level low frequency damping soundproof course, 116 is internal layer low frequency damping soundproof course, 117 is micropunch abatvoix, 118 for supporting mesh sheet, 119 is Sound-proof material, 120 is flat glue powder polyphenyl particle layer, 121 is rubber grain.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Pumped storage power plant modular guard sound lock device, see Fig. 1-Fig. 3, is horizontally installed between water wheel chamber passage body of wall.The sound lock canned paragraph 101 being positioned at two outer ends is separately fixed on passage body of wall, sound lock canned paragraph 101, sound lock assembling section 105 and sound lock pass through door 104 adjacent between docking adopt double step coupling sealing docking, as Fig. 8.According to water wheel chamber exit wall size, sound lock designs frontal width (6300mm), highly (2500mm), absorb sound passage length (1100mm).Sound lock adopts two soundproof door and inner sound absorption Spatial Coupling, two soundproof door span 1100mm.Respectively establish the wide sound insulation of a place 1.5m to pass through door on the right side of soundproof door, be convenient to personnel and equipment turnover, adopt double step to insulate against sound between door and doorframe, and weather strip is installed, both allowed the easy switch of door and do not affect sound insulation property.Door is relatively heavier, has therefore also done to reinforce the connection on door-hinge, can ensure sound insulation property, and the door-hinge that do not wear and tear.Sound lock upper design has sound insulation observation port 103, is convenient to internal unit service behavior between facilities for observation.
As Fig. 9 and Figure 10, in order to ensure personnel when water wheel chamber overhauls, ventilation needs, and sound lock arranges air intake and each one of air outlet silencing device (sound absorbing louver 102), and inside sound lock, install each one of the axial flow blower strengthening ventilation.Sound lock is designed to combined type, and detachably, to meet needs during overhaul.During unit maintenance, the dust that water wheel chamber internal unit polishing etc. causes is convenient to discharge, and utilizes water wheel chamber inner ventilation.
The pass through sidewall of door 104 of sound lock canned paragraph 101, sound lock assembling section 105 and sound lock is inside corrosion resistant plate 112, be fixed with combination bloop 111, or is fixed with combination bloop 111 at the channel side wall of ventilating noise reduction system.
See Fig. 4 and Fig. 5, combination bloop 111 comprises micropunch abatvoix 117 and three layers of low frequency damping soundproof course of inner layer, is respectively outer low frequency damping soundproof course 114, middle level low frequency damping soundproof course 115 and internal layer low frequency damping soundproof course 116.Outside sound barrier selects 304 corrosion resistant plates, and inner side pastes three layers of low frequency damping soundproof course successively.Three layers of low frequency damping soundproof course to be positioned at inside corrosion resistant plate 112 and to wrap up stainless steel keel 113.
See Fig. 6, low frequency damping soundproof course is rectangle or sliceable male-female structure, comprise the ripple being positioned at center and support mesh sheet 118, at the Sound-proof material 119 of the arranged outside equal thickness of support mesh sheet 118, supporting the flat glue powder polyphenyl particle layer 120 being provided with equal thickness inside mesh sheet 118, all the other are rubber grain 121 adhesive layer.Sound-proof material 119 selects environmental protection polyester fiber acoustical cotton, and micropunch abatvoix 117 adopts micropunch aluminium matter acoustical board, and the perforated percentage of micropunch aluminium matter acoustical board and aperture are designed by the third-octave of the centre frequency of 500Hz.
Wherein, the ripple that ripple supports mesh sheet 118 is the regular ripple that wavelength is equal, and described at least two-layer low frequency damping soundproof course, the wavelength of regular ripple supporting network sheet 118 from inside to outside increases gradually.Or the ripple that ripple supports mesh sheet 118 is the unequal irregular ripple of wavelength, and described at least two-layer low frequency damping soundproof course, the mean wavelength of irregular ripple supporting network sheet 118 from inside to outside increases gradually.
See Fig. 7, between neighboring low damping soundproof course, adopt bridging arrangement, by the support mesh sheet 118 in neighboring low damping soundproof course, the peaceful glue powder polyphenyl particle layer 120 of Sound-proof material 119 respectively coincidence overlap joint be pasted together.
Sound insulation observation port 103 is set, is convenient to internal unit service behavior between facilities for observation.Adopt sound insulation film in double-layer glass centre to paste, layer glass thickness will meet spectral characteristics of noise, and forms the angle of micro-angle in the middle of layer glass, prevents coupling effect from producing, sound insulation property is reached maximum efficiency.
The sound-proof wall manufacture method of described sound lock device is as follows.
First low frequency damping soundproof course is made: the Sound-proof material 119 fixing equal thickness in the surperficial side of support mesh sheet 118 of plane, again support mesh sheet 118 is carried Sound-proof material 119 to place together in mould, make support mesh sheet 118 side upwards, in mould, add flat glue powder polyphenyl particle and add adhesive and stir and pave, solidify hardening before, corrugated processing is carried out to the assembly of supporting network and Sound-proof material 119 peaceful glue powder polyphenyl particle layer 120, makes its formation rule or irregular corrugated.
Assembly two sides all adopt rubber grain 121 flat surface, its process is: be positioned in mould by undulatory assembly, add the rubber grain 121 containing adhesive and flat surface, after gelling is solid, another side is put into mould upward again, add rubber grain 121 containing adhesive and flat surface, form rectangle or the sliceable flat sheet of convex-concave.
The making of combination bloop 111: combination bloop 111 is inner sides micropunch abatvoix 117 being pasted onto at least two-layer low frequency damping soundproof course; Adopt bridging arrangement between neighboring low damping soundproof course, that is: by the support mesh sheet 118 in neighboring low damping soundproof course, the peaceful glue powder polyphenyl particle layer 120 of Sound-proof material 119 respectively coincidence overlap joint be pasted together.
Combination bloop 111 is fixed on the inner side of corrosion resistant plate 112; Together with being pasted and fixed on corrosion resistant plate 112 by outer field low frequency damping soundproof course; Be provided with the keel for strengthening structure inside corrosion resistant plate 112, all or part low frequency damping soundproof course is wrapped in stainless steel keel 113 surface.
Claims (10)
1. a pumped storage power plant modular guard sound lock device, it is characterized in that, comprise sound lock canned paragraph, sound lock assembling section, sound lock pass through door and top layer sound-proof wall surrounds closed sound insulation body, the sound lock canned paragraph being positioned at two ends is separately fixed on passage body of wall, and sound lock assembling section and sound lock canned paragraph carry out sound insulation assembling; Also be provided with ventilating noise reduction system; The pass through sidewall of door of described sound lock canned paragraph, sound lock assembling section and sound lock is inside corrosion resistant plate, be fixed with combination bloop, this combination bloop comprises the micropunch abatvoix of inner layer and at least two-layer low frequency damping soundproof course, and low frequency damping soundproof course to be positioned at inside corrosion resistant plate and to wrap up stainless steel keel; Described low frequency damping soundproof course is rectangle or sliceable male-female structure, comprise the ripple being positioned at center and support mesh sheet, at the Sound-proof material of the arranged outside equal thickness of support mesh sheet, supporting the flat glue powder polyphenyl particle layer being provided with equal thickness inside mesh sheet, all the other are rubber grain adhesive layer.
2. pumped storage power plant modular guard sound lock device according to claim 1, it is characterized in that, the ripple that described ripple supports mesh sheet is the regular ripple that wavelength is equal, and described at least two-layer low frequency damping soundproof course, the wavelength of regular ripple supporting network sheet from inside to outside increases gradually.
3. pumped storage power plant modular guard sound lock device according to claim 1, it is characterized in that, the ripple that described ripple supports mesh sheet is the unequal irregular ripple of wavelength, described at least two-layer low frequency damping soundproof course, the mean wavelength of irregular ripple supporting network sheet from inside to outside increases gradually.
4. pumped storage power plant modular guard sound lock device according to claim 1, it is characterized in that, adopt bridging arrangement between neighboring low damping soundproof course, that is: the overlap joint that the support mesh sheet in neighboring low damping soundproof course, Sound-proof material peace glue powder polyphenyl particle layer overlapped respectively is pasted together.
5. pumped storage power plant modular guard sound lock device according to claim 1, is characterized in that, described sound lock assembling section or the sound lock door that passes through is provided with sound insulation observation port.
6. pumped storage power plant modular guard sound lock device according to claim 1, is characterized in that, the tuyere position of ventilating noise reduction system is provided with sound absorbing louver.
7. pumped storage power plant modular guard sound lock device according to claim 1, is characterized in that, be fixed with described combination bloop at the channel side wall of ventilating noise reduction system.
8. pumped storage power plant modular guard sound lock device according to claim 1, is characterized in that, described sound lock canned paragraph, sound lock assembling section and sound lock pass through door adjacent between docking adopt double step coupling sealing docking.
9. pumped storage power plant modular guard sound lock device according to claim 1, it is characterized in that, described Sound-proof material selects environmental protection polyester fiber acoustical cotton.
10. pumped storage power plant modular guard sound lock device according to claim 1, it is characterized in that, described micropunch abatvoix adopts micropunch aluminium matter acoustical board, and the perforated percentage of micropunch aluminium matter acoustical board and aperture, design by the third-octave of the centre frequency of 500Hz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520404725.7U CN204780814U (en) | 2015-06-12 | 2015-06-12 | Water -storage power station combination formula protection sound lock device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520404725.7U CN204780814U (en) | 2015-06-12 | 2015-06-12 | Water -storage power station combination formula protection sound lock device |
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| Publication Number | Publication Date |
|---|---|
| CN204780814U true CN204780814U (en) | 2015-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520404725.7U Active CN204780814U (en) | 2015-06-12 | 2015-06-12 | Water -storage power station combination formula protection sound lock device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104895024A (en) * | 2015-06-12 | 2015-09-09 | 国家电网公司 | Combined protective sound lock device of pumped storage power station and manufacturing method of sound insulation wall |
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2015
- 2015-06-12 CN CN201520404725.7U patent/CN204780814U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104895024A (en) * | 2015-06-12 | 2015-09-09 | 国家电网公司 | Combined protective sound lock device of pumped storage power station and manufacturing method of sound insulation wall |
| CN104895024B (en) * | 2015-06-12 | 2016-11-16 | 国家电网公司 | Hydroenergy storage station modular guard sound lock device and sound-proof wall manufacture method |
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