CN103711338B - A kind of super-silent diesel generating set machine room noise control method - Google Patents

A kind of super-silent diesel generating set machine room noise control method Download PDF

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Publication number
CN103711338B
CN103711338B CN201310716657.3A CN201310716657A CN103711338B CN 103711338 B CN103711338 B CN 103711338B CN 201310716657 A CN201310716657 A CN 201310716657A CN 103711338 B CN103711338 B CN 103711338B
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machine room
noise
generating set
air draft
sound insulation
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CN201310716657.3A
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CN103711338A (en
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张世拓
张洪水
袁照山
马宗会
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Luoyang Xingguangyao Power Technology Co., Ltd.
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LUOYANG STARLIGHT POWER EQUIPMENT CO Ltd
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Abstract

A kind of super-silent diesel generating set machine room noise control method, described super-silent diesel generating set machine room is made up of machine room exterior wall, machine room interior wall, downcast, air draft well, sound insulation screen, air feed shutter window, air draft shutter, smoke evacuation well, muffler for motor, wind scooper, silencing case, air inlet, shock bracket, access door; By multiple sound insulation, sound arrester, when not affecting generating set and normally working, by near for its noise below 45dB, thus use under meeting the environment of school, hospital, house.

Description

A kind of super-silent diesel generating set machine room noise control method
Technical field
The present invention relates to quiet machine room and reduce noise technical field, especially a kind of super-silent diesel generating set machine room noise control method.
Background technology
Along with improving constantly of expanding economy and people's living standard, the requirement of people to environment is also more and more higher, the discharge of the noise that the pollution of diesel generating set to environment produces when mainly containing work and nuisance, in order to reduce and control discharge, reduce the pollution of Noise upon Environment, developed country all over the world has in succession put into effect corresponding law, regulation and has been limited as compulsive means, and wherein noise pollution mainly comes from diesel engine and generator two parts.
Diesel generating set is generally arranged on the basement in same building by school, hospital, house, and therefore require higher to generator room noise control, general control is at below 45dB.
During common diesel generating set normal power generation, its operating noise, at more than 100dB, has greater environmental impacts, and adopts traditional noise reduction at present, noise pollution controls at about 75dB by sound-absorbing structure, also cannot meet the demands.
Application number is that the patent document of 20092025892.X discloses a kind of novel electricity generator electrostatic equipment, arranges water tank at the noise enclosure extenal fixation of generator, sound insulation and sound-absorbing effect poor.
In view of the foregoing, a kind of super-silent diesel generating set machine room noise control method is now invented.
Summary of the invention
The object of the invention is to overcome deficiency of the prior art, a kind of super-silent diesel generating set machine room noise control method be provided, when not affecting diesel generating set and normally working, can by the noise outside machine room near below 45dB.
The present invention to achieve these goals, adopt following technical scheme: a kind of super-silent diesel generating set machine room noise control method, described super-silent diesel generating set machine room is made up of machine room exterior wall, machine room interior wall, downcast, air draft well, sound insulation screen, air feed shutter window, air draft shutter, smoke evacuation well, muffler for motor, wind scooper, silencing case, air inlet, shock bracket, access door; Quiet machine room is the airtight side room that ceiling and machine room exterior wall surround, in quiet machine room, corresponding machine room exterior wall arranges two sides machine room interior wall, two sides machine room interior wall and machine room exterior wall form downcast and air draft well, in downcast and air draft well, respectively arranging at least 3 blocks of sound insulation screens forms sound insulation screen group S shape air channel, it is room in quiet machine room between downcast and air draft well, in quiet machine room, room arranges shock bracket, above shock bracket, silencing case is set, in silencing case, diesel generating set is set, the stack of diesel generating set arranges muffler for motor; Above the machine room exterior wall of downcast with below machine room interior wall, air feed shutter window is respectively set, above the machine room exterior wall of air draft well, air draft shutter is set, below the machine room interior wall of air draft well, corresponding silencing case arranges wind scooper, air draft well diesel generating set corresponding between silencing case arranges trench, in trench, corresponding diesel generating set arranges muffler for motor, and the corresponding muffler for motor of air draft downhole arranges smoke evacuation well.
The air feed shutter window of air above machine room exterior wall enters downcast, room in quiet machine room is entered from the air feed shutter window below downcast through the S shape air channel of sound insulation screen group, silencing case supply diesel generating set is entered from the air inlet silencing case, the hot blast that diesel generating set is discharged and waste gas enter air draft well, discharge from air draft shutter through the S shape air channel of sound insulation screen group; In quiet machine room each equipment surface arrange damping material to diesel generating set generating produce noise carry out sound-absorbing, make the noise outside quiet machine room be down to below 45dB.
Shock bracket self has shock-absorbing function, and bottom line is down in the vibrations produced when being generated electricity by diesel generating set, reduces noise simultaneously.
The muffler for motor be connected with diesel generating set stack, while waste gas is discharged, muffler for motor carries out sound insulation and sound-absorbing to the noise that stack exhaust produces, and waste gas enters air draft well through smoke evacuation well; The hot blast that diesel generating set is discharged enters air draft well through wind scooper, wind scooper carries out sound insulation to the noise that hot blast discharge produces, noise is carried out sound-absorbing by the damping material on wind scooper surface, and waste gas and hot blast are discharged from air draft shutter through the S shape air channel of sound insulation screen group.
Silencing case is made up of steel sheet, utilizes the soundproof theory of homogeneous individual layer thin plate to carry out sound insulation to noise.
The material of sound insulation screen is steel sheet, and during the S shape air channel that noise is consisted of sound insulation screen group, according to resonance acoustical absorption principle, noise causes steel-sheet to resonate, and steel sheet is absorbed noise; Meanwhile, noise fully contacts with the damping material on sound insulation screen surface, and noise is by the damping material sound-absorbing on sound insulation screen surface.
The Z-shaped blade of air feed shutter window and air draft shutter, increases the area contacted with noise, makes the damping material of Z-shaped blade surface carry out sound-absorbing to noise.
The material of damping material, thickness, shape adjust according to actual conditions, reduce the noise that diesel generating set generating produces.
The invention has the beneficial effects as follows: the air feed shutter window of air above machine room exterior wall enters downcast, room in quiet machine room is entered from the air feed shutter window below downcast, silencing case supply diesel generating set is entered from the air-vent silencing case, a large amount of fresh airs is needed during engine operation, a large amount of hot airs can be produced simultaneously, hot air enters air draft well through wind scooper, the waste gas that muffler for motor is discharged enters air draft well through smoke evacuation well, and waste gas and hot air are discharged from air draft shutter through the S shape air channel of sound insulation screen group; Silencing case is made up of steel sheet and is utilized the soundproof theory of homogeneous individual layer thin plate to reduce noise, damping material is the significant damping material of sound-absorbing effect commercially, according to the thickness of the power setting damping material of different parts noise in quiet machine room, noise reduction is made to reach best.
By multiple sound insulation, sound arrester, when not affecting generating set and normally working, by near for its noise below 45dB, thus use under meeting the environment of school, hospital, house.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the invention will be further described:
Fig. 1 is, general assembly structural representation;
Fig. 2 is, air draft well side-looking structural representation;
Fig. 3 is, noise reduction process chart;
In Fig. 1,2: machine room exterior wall 1, machine room interior wall 2, downcast 3, air draft well 4, sound insulation screen 5, air feed shutter window 6, air draft shutter 7, smoke evacuation well 8, muffler for motor 9, wind scooper 10, silencing case 11, air inlet 12, shock bracket 13, access door 14.
Detailed description of the invention
Below in conjunction with embodiment and detailed description of the invention, the present invention is described in further detail:
Embodiment 1
Quiet machine room is the airtight side room that ceiling and machine room exterior wall 1 surround, in quiet machine room, corresponding machine room exterior wall 1 arranges two sides machine room interior wall 2, two sides machine room interior wall 2 and machine room exterior wall 1 form downcast 3 and air draft well 4, in downcast 3 and air draft well 4, respectively arranging at least 3 blocks of sound insulation screens 5 forms sound insulation screen group S shape air channel, it is room in quiet machine room between downcast 3 and air draft well 4, in quiet machine room, room arranges shock bracket 13, silencing case 11 is set above shock bracket 13, in silencing case 11, diesel generating set is set, the stack of diesel generating set is arranged muffler for motor 9, above the machine room exterior wall 1 of downcast 3 with below machine room interior wall 2, air feed shutter window 6 is respectively set, above the machine room exterior wall 1 of air draft well 4, air draft shutter 7 is set, below the machine room interior wall 2 of air draft well 4, corresponding silencing case 11 arranges wind scooper 10, between air draft well 4 with silencing case 11, corresponding diesel generating set arranges trench, in trench, corresponding diesel generating set arranges muffler for motor 9, and below air draft well 4, corresponding muffler for motor 9 arranges smoke evacuation well 8,
The air feed shutter window 6 of air above machine room exterior wall 1 enters downcast 3, room in quiet machine room is entered from the air feed shutter window 6 below downcast 3 through the S shape air channel of sound insulation screen group, enter silencing case 11 from the air inlet 12 silencing case 11 and supply diesel generating set, the hot blast that diesel generating set is discharged and waste gas enter air draft well 4, discharge from air draft shutter 7 through the S shape air channel of sound insulation screen group; In quiet machine room each equipment surface arrange damping material to diesel generating set generating produce noise carry out sound-absorbing, make the noise outside quiet machine room be down to below 45dB;
Shock bracket 13 self has shock-absorbing function, and bottom line is down in the vibrations produced when being generated electricity by diesel generating set, reduces noise simultaneously;
The muffler for motor 9 be connected with diesel generating set stack, while waste gas is discharged, the noise that muffler for motor 9 pairs of stack exhausts produce carries out sound insulation and sound-absorbing, and waste gas enters air draft well 4 through smoke evacuation well 8; The hot blast that diesel generating set is discharged enters air draft well 4 through wind scooper 10, the noise that wind scooper 10 pairs of hot blast discharges produce carries out sound insulation, noise is carried out sound-absorbing by the damping material on wind scooper 10 surface, and waste gas and hot blast are discharged from air draft shutter 7 through the S shape air channel of sound insulation screen group;
Silencing case 11 is made up of steel sheet, utilizes the soundproof theory of homogeneous individual layer thin plate to carry out sound insulation to noise;
The material of sound insulation screen 5 is steel sheet, and during the S shape air channel that noise is consisted of sound insulation screen group, according to resonance acoustical absorption principle, noise causes steel-sheet to resonate, and steel sheet is absorbed noise; Meanwhile, noise fully contacts with the damping material on sound insulation screen 5 surface, and noise is by the damping material sound-absorbing on sound insulation screen 5 surface;
The Z-shaped blade of air feed shutter window 6 and air draft shutter 7, increases the area contacted with noise, makes the damping material of Z-shaped blade surface carry out sound-absorbing to noise.

Claims (1)

1. a super-silent diesel generating set machine room noise control method, described super-silent diesel generating set machine room be by: machine room exterior wall (1), machine room interior wall (2), downcast (3), air draft well (4), sound insulation screen (5), air feed shutter window (6), air draft shutter (7), smoke evacuation well (8), muffler for motor (9), wind scooper (10), silencing case (11), air inlet (12), shock bracket (13), access door (14) are formed, it is characterized in that: quiet machine room is the airtight side room that ceiling and machine room exterior wall (1) surround, in quiet machine room, corresponding machine room exterior wall (1) arranges two sides machine room interior wall (2), two sides machine room interior wall (2) and machine room exterior wall (1) form downcast (3) and air draft well (4), in downcast (3) and air draft well (4), respectively arranging at least 3 pieces of sound insulation screens (5) forms sound insulation screen group S shape air channel, be room in quiet machine room between downcast (3) and air draft well (4), in quiet machine room, room arranges shock bracket (13), shock bracket (13) top arranges silencing case (11), silencing case arranges diesel generating set in (11), the stack of diesel generating set is arranged muffler for motor (9), machine room exterior wall (1) top of downcast (3) respectively arranges air feed shutter window (6) with machine room interior wall (2) below, machine room exterior wall (1) top of air draft well (4) arranges air draft shutter (7), the machine room interior wall (2) the corresponding silencing case in below (11) of air draft well (4) arranges wind scooper (10), between air draft well (4) with silencing case (11), corresponding diesel generating set arranges trench, in trench, corresponding diesel generating set arranges muffler for motor (9), air draft well (4) the corresponding muffler for motor in below (9) arranges smoke evacuation well (8),
Air enters downcast (3) from the air feed shutter window (6) of machine room exterior wall (1) top, room in quiet machine room is entered from the air feed shutter window (6) of downcast (3) below through the S shape air channel of sound insulation screen group, silencing case (11) supply diesel generating set is entered from the air inlet (12) silencing case (11), the hot blast that diesel generating set is discharged and waste gas enter air draft well (4), discharge from air draft shutter (7) through the S shape air channel of sound insulation screen group; In quiet machine room each equipment surface arrange damping material to diesel generating set generating produce noise carry out sound-absorbing, make the noise outside quiet machine room be down to below 45dB;
Shock bracket (13) self has shock-absorbing function, and bottom line is down in the vibrations produced when being generated electricity by diesel generating set, reduces noise simultaneously;
The muffler for motor (9) be connected with diesel generating set stack, while waste gas is discharged, muffler for motor (9) carries out sound insulation and sound-absorbing to the noise that stack exhaust produces, and waste gas enters air draft well (4) through smoke evacuation well (8); The hot blast that diesel generating set is discharged enters air draft well (4) through wind scooper (10), wind scooper (10) carries out sound insulation to the noise that hot blast discharge produces, noise is carried out sound-absorbing by the damping material on wind scooper (10) surface, and waste gas and hot blast are discharged from air draft shutter (7) through the S shape air channel of sound insulation screen group;
Silencing case (11) is made up of steel sheet, utilizes the soundproof theory of homogeneous individual layer thin plate to carry out sound insulation to noise;
The material of sound insulation screen (5) is steel sheet, and during the S shape air channel that noise is consisted of sound insulation screen group, according to resonance acoustical absorption principle, noise causes steel-sheet to resonate, and steel sheet is absorbed noise; Meanwhile, noise fully contacts with the damping material on sound insulation screen (5) surface, and noise is by the damping material sound-absorbing on sound insulation screen (5) surface;
The Z-shaped blade of air feed shutter window (6) and air draft shutter (7), increases the area contacted with noise, makes the damping material of Z-shaped blade surface carry out sound-absorbing to noise.
CN201310716657.3A 2013-12-21 2013-12-21 A kind of super-silent diesel generating set machine room noise control method Active CN103711338B (en)

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109578135A (en) * 2018-10-29 2019-04-05 上海泰豪智能节能技术有限公司 A kind of mute power supply of novel locomotive
CN112796878B (en) * 2018-12-24 2022-08-05 福建润达动力机械有限公司 Generating set with corrosion-resistant heat dissipation and noise reduction functions
CN112609922A (en) * 2020-12-23 2021-04-06 深圳供电局有限公司 Underground substation ventilating shaft
CN113818964B (en) * 2021-09-14 2022-11-22 福州德塔电源技术有限公司 Diesel generating set silence case

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29513956U1 (en) * 1995-08-31 1997-01-09 Bosch Gmbh Robert CHP plant
CN201121423Y (en) * 2007-08-27 2008-09-24 成都展望能源机械有限公司 Comprehensive treatment soundproofing and denoising house
CN201650452U (en) * 2010-04-22 2010-11-24 任小平 Silencing device of diesel generating set
CN202391568U (en) * 2011-11-18 2012-08-22 成都美瑞科动力设备有限公司 Silencing cover for generator unit
CN202473219U (en) * 2011-09-20 2012-10-03 中兴通讯股份有限公司 Silencing case
CN202831698U (en) * 2012-08-25 2013-03-27 东莞市优赛科创企业管理咨询有限公司 Noise reduction, shock absorption and smoke processing system for generator set

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29513956U1 (en) * 1995-08-31 1997-01-09 Bosch Gmbh Robert CHP plant
CN201121423Y (en) * 2007-08-27 2008-09-24 成都展望能源机械有限公司 Comprehensive treatment soundproofing and denoising house
CN201650452U (en) * 2010-04-22 2010-11-24 任小平 Silencing device of diesel generating set
CN202473219U (en) * 2011-09-20 2012-10-03 中兴通讯股份有限公司 Silencing case
CN202391568U (en) * 2011-11-18 2012-08-22 成都美瑞科动力设备有限公司 Silencing cover for generator unit
CN202831698U (en) * 2012-08-25 2013-03-27 东莞市优赛科创企业管理咨询有限公司 Noise reduction, shock absorption and smoke processing system for generator set

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Effective date of registration: 20190627

Address after: 471000 No. 6 Sanxi Road, Jianxi District, Luoyang City, Henan Province

Patentee after: Luoyang Xingguangyao Power Technology Co., Ltd.

Address before: 471000 Zhaolong Road, Luoyang Airport Industrial Agglomeration Area, Luoyang City, Henan Province

Patentee before: Luoyang Starlight Power Equipment Co.,Ltd.