CN109723244A - Generators noise reduction construction method - Google Patents
Generators noise reduction construction method Download PDFInfo
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- CN109723244A CN109723244A CN201910017376.6A CN201910017376A CN109723244A CN 109723244 A CN109723244 A CN 109723244A CN 201910017376 A CN201910017376 A CN 201910017376A CN 109723244 A CN109723244 A CN 109723244A
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- noise reduction
- construction method
- computer room
- exhaust passage
- generators
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Abstract
The present invention relates to electromechanical installing areas, specially Generators noise reduction construction method, it is provided with basis in computer room, it is provided with pedestal on basis, generating set is installed on pedestal, generating set, which is provided with, leads to outdoor discharge flue, computer room is provided with air intake passage and air exhaust passage, exhaust fan is provided at air exhaust passage, computer room is provided with entrance, further comprising the steps of: damping device is installed between pedestal and basis；Soundproof door is installed at entrance；Silencer is installed in discharge flue；Chip array silencer is installed in air intake passage and air exhaust passage, shutter is installed in the entrance of air intake passage and the exit of air exhaust passage；Acoustic wall and sound absorption ceiling are installed in computer room；The many aspects for generating noise to Generators carry out noise reduction process, reduce the noise pollution caused by ambient enviroment.
Description
Technical field
The present invention relates to electromechanical installing areas, more particularly, to Generators noise reduction construction method.
Background technique
Electric power needed for user is supplied by alternating current in general, is operated a switch or other reasons interruption of power supply when alternating current is rationed the power supply
When, to guarantee the basic production of user and the generating set of life and setting, this kind of unit keeps stand-by state at any time, can be to non-
Constant load provides continuous power supply.
In industry or civil building engineering construction, setting Generators can all be required by being typically designed, it is examined in power grid
Repair, temporary interruption when Emergency use.But the noise sound level of generator is up to 100 decibels or more, if do not made noise reduction process, to week
Noise pollution can be generated by enclosing acoustic environment.
Summary of the invention
The object of the present invention is to provide a kind of Generators noise reduction constructions of noise reduction effect for being conducive to improve Generators
Method.
Above-mentioned purpose of the invention has the technical scheme that
Generators noise reduction construction method, is provided with basis in computer room, and pedestal is provided on basis, is pacified on the pedestal
Equipped with generating set, the generating set, which is provided with, leads to outdoor discharge flue, and the computer room is provided with air intake passage and row
Wind channel, is provided with exhaust fan at the air exhaust passage, and the computer room is provided with entrance, which is characterized in that further includes
Following steps:
Step S1: foundation shock absorption installs damping device between pedestal and basis；
Step S2: soundproof door is installed in closing sound insulation at entrance；
Step S3: smoke-discharging noise elimination installs silencer in discharge flue；
Step S4: air duct is eliminated the noise, and chip array silencer is installed in air intake passage and air exhaust passage, in the import of air intake passage
Shutter is installed in place and the exit of air exhaust passage；
Step S5: acoustic wall and sound absorption ceiling are installed in indoor sound absorption in computer room.
By using above-mentioned technical proposal, to generating set, generated vibration buffers damping device at work,
Noise caused by the vibration because of generating set is reduced, soundproof door facilitates staff to enter machine while keeping noise reduction effect
Room, the noise that silencer generates when passing through discharge flue to flue gas caused by generating set work are eliminated the noise, when sound wave is logical
When crossing by sheet-like array silencer, the energy of sound wave is consumed by sheet-like array silencer, and air-flow can flow through thus right from channel
The noise elimination effect of wideband is good, thus reach noise elimination ventilation purpose, while acoustic wall and sound absorption ceiling can reduce reverberation sound in computer room,
The many aspects for generating noise to Generators carry out noise reduction process, reduce the noise pollution caused by ambient enviroment.
The present invention is further arranged to: for step S4, chip array silencer includes the anechoic sheet being arranged in array,
When making anechoic sheet, deadener is wrapped to form sheet using glass-fiber-fabric, outer layer wraps one layer with steel wire again, recycles angle steel
Welding production forms anechoic sheet at the outer framework of anechoic sheet.
By using above-mentioned technical proposal, the vent passages formed are discharged by noise elimination chip arrays and are equivalent to a rectangle parallel connection
Dissipative muffler, when sound wave is by the vent passages that are formed by noise elimination chip arrays, the energy of sound wave is consumed by anechoic sheet, air-flow
It is thus good to the noise elimination effect of wideband to flow through from channel, to reach noise elimination ventilation purpose.
The present invention is further arranged to: the side wall of the air intake passage and air exhaust passage is provided with operation port, logical in air inlet
Road and air exhaust passage corresponding position are provided with the mounting groove slid into for anechoic sheet, and air intake passage and air exhaust passage are installed at operation port
There is the sealing plate for " locked in " operation mouth.
By using above-mentioned technical proposal, it is maintained or replaced so that anechoic sheet can take out from mounting groove, guarantees to disappear
The noise elimination effect of sound piece.
The present invention is further arranged to: the deadener is glass fiber cotton.
By using above-mentioned technical proposal, glass fibre cotton is a kind of inorganic non-metallic material haveing excellent performance, and is had exhausted
The advantages that edge is good, heat resistance is strong, corrosion resistance is good, sqouynd absorption lowering noise function admirable, effectively consumes the energy of sound wave.
The present invention is further arranged to: being provided with sealing strip on the cell wall of mounting groove.
By using above-mentioned technical proposal, reinforce the sealing intensity of mounting groove and anechoic sheet, and makes mounting groove and anechoic sheet
Contact it is closer, improve the stability of anechoic sheet.
The present invention is further arranged to: the damping device is spring damper.
By using above-mentioned technical proposal, spring damper damping performance is excellent, produces when can effectively run to generating set
Raw vibration is buffered.
The present invention is further arranged to: the air intake passage and air exhaust passage are distributed in the both ends of generating set.
By using above-mentioned technical proposal, air inlet and air outlet are preferably arranged in the both ends of unit, in order to avoid form gas
Flow short-circuit influences heat dissipation effect.
The present invention is further arranged to: the air outlet of the air intake passage and air exhaust passage is arranged towards ground.
By using above-mentioned technical proposal, generating set is arranged generally proximate to ground, and air outlet makes wind exist towards ground
Pass through generating set in computer room when flowing, improves heat dissipation effect.
The present invention is further arranged to: is provided at the ground of computer room towards the curved induced draft plate of air exhaust passage.
By using above-mentioned technical proposal, induced draft plate will guide to air exhaust passage the wind after generator set heat radiation, have
Conducive to the exchange of wind new and old in computer room.
The present invention is further arranged to: for step S3, being located at the installation level-one of the part in computer room in discharge flue and is eliminated the noise
Device installs secondary muffler in the part that discharge flue is located outside.
By using above-mentioned technical proposal, the noise in discharge flue is larger, installs two-stage exhaust silencer to be dropped
It makes an uproar, improves the noise reduction effect to discharge flue.
In conclusion advantageous effects of the invention are as follows:
1. many aspects that pair Generators generates noise carry out noise reduction process, the noise pollution caused by ambient enviroment is reduced；
2. anechoic sheet can take out from mounting groove and be maintained or replaced, guarantee the noise elimination effect of anechoic sheet.
Detailed description of the invention
Fig. 1 is the flow diagram of the present embodiment；
Fig. 2 is the floor map of computer room in the present embodiment；
Fig. 3 is the diagrammatic cross-section in Fig. 2 along line A-A；
Fig. 4 is the enlarged diagram of part B in Fig. 2.
Appended drawing reference: 1, basic；2, pedestal；3, generating set；4, discharge flue；5, air intake passage；6, air exhaust passage；7,
Exhaust fan；8, entrance；9, damping device；10, soundproof door；11, chip array silencer；12, shutter；13, acoustic wall；
14, absorb sound ceiling；15, anechoic sheet；16, glass-fiber-fabric；17, deadener；18, steel wire；19, angle steel；20, operation port；21, pacify
Tankage；22, sealing plate；23, sealing strip；24, induced draft plate；25, level-one silencer；26, secondary muffler.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
It referring to Fig.1, is Generators noise reduction construction method disclosed by the invention, in conjunction with Fig. 2 and Fig. 3, in computer room in advance
It is provided with the basis 1 for being poured and being formed by armored concrete, is provided on basis 1 for install simultaneously support generating set 3
Pedestal 2, generating set 3 use diesel-driven generator, and generating set 3, which is provided with, leads to outdoor discharge flue 4, computer room be provided with into
Wind channel 5 and air exhaust passage 6 pass in and out computer room for air as the heat dissipation of generating set 3, and are arranged in the inlet of air exhaust passage 6
There is the exhaust fan 7 of the outlet setting towards air exhaust passage 6, computer room is provided with the entrance 8 entered and left for staff, further includes
Following steps:
Step S1: damping device 9 is installed in basic 1 damping between pedestal 2 and basis 1.
The alternative spring damper of damping device 9 in the present embodiment, in other embodiments damping device 9 can for rubber every
Shake pad, glass mat, installation metallic rubber vibration isolator or metal silk flosssilk wadding vibration isolator etc..
The installation of spring damper: placing skidproof bottom gasket in basis 1 in position line corresponding with spring damper,
During spring damper pedestal 2 is divided, carry out point in label, and be put on skidproof bottom gasket by correct direction, spring damper
Bottom plate should be overlapped with skidproof bottom gasket.
After whole spring dampers are in place, the centre of location of the spring damper at a column both ends is found out, then using extension
The method of line adjusts levelness and the plan-position of other spring dampers.
Top improved mat is placed at the top of spring damper, and is close to setting steel deck-plate in top improved mat,
Generating set 3 is mounted on steel deck-plate, and is screwed.
Step S2: soundproof door 10 is installed in closing sound insulation at entrance 8.
The production of soundproof door 10: doorframe uses metal section steel manufacture, and door leaf does skeleton using fashioned iron, and the outer surface of door leaf is adopted
With the sheet metal of 2~3mm thickness, inner surface porous plate, interior construction filling porous material (such as mineral wool, mineral wool) forms folder
Layer structure.
Step S3: smoke-discharging noise elimination installs silencer in discharge flue 4, and silencer includes that level-one silencer 25 and second level disappear
Sound device 26, level-one silencer 25 are installed on the part that discharge flue 4 is located in computer room, and secondary muffler 26 is installed on discharge flue
4 parts being located outside.
Level-one silencer 25 selects straight tube (impedance) formula silencer, under the premise of low-power consumption, using in generating set 3
The characteristics of pulse pneumatic, using sound resistive material, in a limited space in be built into the resistance component of telescopiform.It is porous in it
Sound-absorbing material can be converted into thermal energy in the reflection of sound wave, interference, anti-tensile and friction, by sound, to reach noise elimination purpose.Make gas
The power performance and acoustical behavior of body reach ideal combination；Secondary muffler 26 uses strip-type silencer, shape ruler
It is very little to be determined according to the capacity of generator.
Step S4: air duct is eliminated the noise, and chip array silencer 11 is installed in air intake passage 5 and air exhaust passage 6, and entering the wind
Shutter 12 is installed in the entrance in channel 5 and the exit of air exhaust passage 6.
In conjunction with Fig. 3 and Fig. 4, chip array silencer 11 includes several anechoic sheets 15 being arranged in array, and is eliminated the noise in production
When piece 15, the deadeners such as glass fiber cotton 17 are wrapped to form sheet using glass-fiber-fabric 16, outside the tablet that glass-fiber-fabric 16 is bundled into
Layer wraps one layer with steel wire 18 again, and angle steel 19 is recycled to enclose outer framework of the corner welding production of tablet at anechoic sheet 15, shape
At anechoic sheet 15.
The vent passages formed are discharged by 15 array of anechoic sheet and are equivalent to a rectangle parallel resistive silencer, when sound wave is logical
When crossing the vent passages formed by 15 array of anechoic sheet, the energy of sound wave is consumed by anechoic sheet 15, and air-flow can be flowed through from channel
It is thus good to the noise elimination effect of wideband, to achieve the purpose that ventilation of eliminating the noise.
Air intake passage 5 and air exhaust passage 6 open up the chip array of size with corresponding installation on the side wall inside computer room
The operation port 20 of the same size of silencer 11, in the upper and lower side corresponding position of air intake passage 5 and air exhaust passage 6 and each anechoic sheet 15
Be provided with for anechoic sheet 15 slide into mounting groove 21, the length direction of mounting groove 21 perpendicular to 20 place plane of operation port, and
Mounting groove 21 is open at one end close to operation port 20, and the sealing strip 23 of rubber material is provided on the cell wall of mounting groove 21, close
Strip of paper used for sealing 23 is contacted with the angle steel 19 on anechoic sheet 15, reinforces the sealing intensity of mounting groove 21 and anechoic sheet 15, and makes to install
Slot 21 and the contact of anechoic sheet 15 are closer, improve the stability of anechoic sheet 15, air intake passage 5 and air exhaust passage 6 are in operation port
Sealing plate 22 for " locked in " operation mouth 20 is installed, sealing plate 22 is detachable by bolt and air intake passage 5 or air exhaust passage 6 at 20
It is fixedly connected, removes sealing plate 22, be maintained or replaced so that anechoic sheet 15 can take out from mounting groove 21, guarantee anechoic sheet 15
Noise elimination effect.
Air intake passage 5 and air exhaust passage 6 are distributed in the both ends of generating set 3, in order to avoid forming air flow shortcircuit, influence heat dissipation effect
Fruit, and the air outlet of air intake passage 5 and air exhaust passage 6 is arranged towards ground, so that by power generation when wind flows in computer room
Unit 3 improves heat dissipation effect.
Computer room is provided at the ground close to air exhaust passage 6 towards the curved induced draft plate 24 of air exhaust passage 6, induced draft plate 24
Wind after radiating to generating set 3 is guided to the exchange for being conducive to new and old wind in computer room to air exhaust passage 6.
Shutter 12 is made of aluminum alloy materials, and is fixedly mounted on air intake passage 5 and air exhaust passage 6 is located at outside computer room
The position on wall side.
Step S5: acoustic wall 13 and sound absorption ceiling 14 are installed in indoor sound absorption in computer room.
As needed, other 5 faces that computer room removes ground can make sound absorption processing, and 4 in computer room wall, which is laid with, to be inhaled
Sound plate forms acoustic wall 13, and the top in computer room forms sound absorption ceiling 14 with mineral wool is laid with, and can throw after the completion of debugging
Enter operation.
The utility model has the advantages that damping device 9 is to generating set 3, generated vibration is buffered at work, is reduced because of power generation
Noise caused by the vibration of unit 3；Soundproof door 10 facilitates staff to enter computer room while keeping noise reduction effect；Two-stage
Silencer to generating set 3 work caused by flue gas eliminated the noise by the noise generated when discharge flue 4；When sound wave is logical
When crossing by sheet-like array silencer, the energy of sound wave is consumed by sheet-like array silencer, and air-flow can flow through thus right from channel
The noise elimination effect of wideband is good, to reach noise elimination ventilation purpose；Acoustic wall 13 and sound absorption ceiling 14 can be reduced in computer room and be mixed simultaneously
Sound, many aspects for generating noise to Generators carry out noise reduction process, reduce the noise pollution caused by ambient enviroment.
The embodiment of present embodiment is presently preferred embodiments of the present invention, not limits protection of the invention according to this
Range, therefore: the equivalence changes that all structures under this invention, shape, principle are done, should all be covered by protection scope of the present invention it
It is interior.
Claims (10)
1. Generators noise reduction construction method is provided with basic (1) in computer room, pedestal (2) are provided on basic (1),
It is equipped with generating set (3) on the pedestal (2), the generating set (3), which is provided with, leads to outdoor discharge flue (4), institute
It states computer room and is provided with air intake passage (5) and air exhaust passage (6), exhaust fan (7), institute are provided at the air exhaust passage (6)
It states computer room and is provided with entrance (8), which is characterized in that is further comprising the steps of:
Step S1: basic (1) damping installs damping device (9) between pedestal (2) and basic (1)；
Step S2: closing sound insulation installs soundproof door (10) at entrance (8)；
Step S3: smoke-discharging noise elimination installs silencer in discharge flue (4)；
Step S4: air duct is eliminated the noise, and is installed chip array silencer (11) in air intake passage (5) and air exhaust passage (6), is being entered the wind
Shutter (12) are installed in the entrance in channel (5) and the exit of air exhaust passage (6)；
Step S5: acoustic wall (13) and sound absorption ceiling (14) are installed in indoor sound absorption in computer room.
2. Generators noise reduction construction method according to claim 1, which is characterized in that for step S4, chip array
Silencer (11) includes the anechoic sheet (15) being arranged in array, and when making anechoic sheet (15), will be eliminated the noise using glass-fiber-fabric (16)
Material (17) is wrapped to form sheet, and outer layer wraps one layer with steel wire (18) again, recycles angle steel (19) welding production at anechoic sheet
(15) outer framework is formed anechoic sheet (15).
3. Generators noise reduction construction method according to claim 2, which is characterized in that the air intake passage (5) and row
The side wall in wind channel (6) is provided with operation port (20), is provided in air intake passage (5) and air exhaust passage (6) corresponding position for eliminating the noise
The mounting groove (21) that piece (15) slides into, air intake passage (5) and air exhaust passage (6) are equipped with for closing behaviour at operation port (20)
Make the sealing plate (22) of mouth (20).
4. Generators noise reduction construction method according to claim 2, which is characterized in that the deadener (17) is glass
Fiber cotton.
5. Generators noise reduction construction method according to claim 3, which is characterized in that on the cell wall of mounting groove (21)
It is provided with sealing strip (23).
6. Generators noise reduction construction method according to claim 1, which is characterized in that the damping device (9) is bullet
Spring damper.
7. Generators noise reduction construction method according to claim 1, which is characterized in that the air intake passage (5) and row
Wind channel (6) is distributed in the both ends of generating set (3).
8. Generators noise reduction construction method according to claim 7, which is characterized in that the air intake passage (5) and row
The air outlet in wind channel (6) is arranged towards ground.
9. Generators noise reduction construction method according to claim 8, which is characterized in that be provided at the ground of computer room
Towards air exhaust passage (6) curved induced draft plate (24).
10. Generators noise reduction construction method according to claim 1, which is characterized in that logical in smoke evacuation for step S3
Road (4) is located at the installation of the part in computer room level-one silencer (25), and in the part that discharge flue (4) is located outside, installation second level disappears
Sound device (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910017376.6A CN109723244A (en) | 2019-01-08 | 2019-01-08 | Generators noise reduction construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910017376.6A CN109723244A (en) | 2019-01-08 | 2019-01-08 | Generators noise reduction construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109723244A true CN109723244A (en) | 2019-05-07 |
Family
ID=66298975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910017376.6A Pending CN109723244A (en) | 2019-01-08 | 2019-01-08 | Generators noise reduction construction method |
Country Status (1)
| Country | Link |
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| CN (1) | CN109723244A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114811934A (en) * | 2021-01-21 | 2022-07-29 | 中国船舶重工集团公司第七一一研究所 | Noise control method for self-cooling type draught fan room and air blower room |
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Application publication date: 20190507 |