CN204511651U - The sound-deadening and noise-reducing device of heavy duty generator set - Google Patents

The sound-deadening and noise-reducing device of heavy duty generator set Download PDF

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CN204511651U
CN204511651U CN201520002846.9U CN201520002846U CN204511651U CN 204511651 U CN204511651 U CN 204511651U CN 201520002846 U CN201520002846 U CN 201520002846U CN 204511651 U CN204511651 U CN 204511651U
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anechoic chamber
noise
sound
envelope
level
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CN201520002846.9U
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施建荣
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China Mobile Group Jiangsu Co Ltd
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China Mobile Group Jiangsu Co Ltd
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Abstract

The utility model provides a kind of sound-deadening and noise-reducing device of heavy duty generator set, this device is box body type shape, by internal combustion unit, generator, output distribution, air intake secondary silene system, air draft secondary silene system, smoke evacuation secondary noise reduction system, daily fuel tank, fire-fighting, damping device bottom unit, the illumination of room, railway carriage or compartment is integrated in envelope, and the distribution of foundation envelope basic structure and noise and generating unit thereof, envelope is separated into room, multiple control area, form the multi-layer multi-stage noise-reducing structure of " two Room, cabin five ", noise is confined among a small circle, also utilize different noise reduction technologies to carry out noise reduction process respectively, every part is processed targetedly respectively.

Description

The sound-deadening and noise-reducing device of heavy duty generator set
Technical field
The utility model relates to the communication power supply technology for emergency power station, particularly relates to a kind of sound-deadening and noise-reducing device of heavy duty generator set.
Background technique
For guaranteeing the electric power safeguard ability of the important public places (facility) such as communication, traffic, hospital, megastore, water supply, nuclear power in power supply under unstable and power-off event, at important public place (facility) by being configured to heavy duty generator set that diesel oil, rock gas etc. are fuel as power supply panic equipment.Heavy duty generator set (hereinafter referred to as oil machine) is generally laid by building special Generators in this place, and takes fixed installation form.But, diesel generating set is providing for people easily simultaneously, and also because the running noises of unit is very big, integrated noise is generally up to 110-130dB, noise pollution is caused to working environment, nearby residents etc., directly affect people healthy, work and life.Do not meet environmental requirement, later stage dilatation difficulty.
Existing oil machine noise reduction technology takes at engine room inwall and terrace paving acoustical cotton, wraps up the noise reduction measures such as high temperature resistant scar at silencing apparatus outer wall, if the machine room area that the quiet transformation of need also will be larger and space, and described Generators is also supporting oil depot (rock gas gas tank), fire gear, switchgear room, cable conduit (ditch) etc., floor space is more.Obviously, there is following defect in existing noise reduction technology:
The first, due to the restriction in machine room space, layout, air draft air-flow layout is unreasonable, and then causes oil machine to fall appearance;
The second, existing engine room set-up mode affects noise reduction: on building structure, engine room is usually connected with main body building, and low-frequency vibration has influence on the noise reduction of expection;
Three, existing oil machine mounting type affects efficiency: unit dilatation upgrades difficulty, run utilization efficiency low, do not have a moving emergency ability;
Four, engine room construction and auxiliary construction are invested larger.
Model utility content
For solving above-mentioned the problems of the prior art, the utility model embodiment provides the sound-deadening and noise-reducing device for laying heavy duty generator set of a kind of applicable rapid deployment, construction.
The sound-deadening and noise-reducing device that the utility model embodiment provides comprises: be positioned at the noise reduction cabin envelope on upper strata and be positioned at the engine nacelle envelope of bottom; The air draft one-level anechoic chamber that described engine nacelle envelope comprises settling the cluster engine room of motor, is positioned at the air intake one-level anechoic chamber of side, described cluster engine room, is positioned at described cluster engine room opposite side;
Described cluster engine room is provided with the one-level smoke evacuation baffler extending to described noise reduction cabin envelope;
Described noise reduction cabin envelope comprises air intake secondary anechoic chamber, air draft secondary anechoic chamber, and described air intake secondary anechoic chamber is communicated with described air intake one-level anechoic chamber, and described air intake secondary anechoic chamber is provided with intake grill;
Described air draft secondary anechoic chamber is provided with exhaust port and smoke exhaust port, described air draft secondary anechoic chamber is communicated with described air draft one-level anechoic chamber, air draft secondary anechoic chamber is provided with secondary smoke evacuation baffler, described secondary smoke evacuation baffler one end is communicated with described one-level smoke evacuation baffler, and the described secondary smoke evacuation baffler the other end is communicated with smoke exhaust port;
The smokejack of motor is communicated with described one-level smoke evacuation baffler, the suction port of motor is communicated with described air intake one-level anechoic chamber, the air outlet of described motor is communicated with described air draft one-level anechoic chamber, and described air intake one-level anechoic chamber, air draft one-level anechoic chamber, air intake secondary anechoic chamber and air draft secondary anechoic chamber are provided with acoustical panel group.
The utility model in conjunction with carriage body structure for convenience of noise control and reduce costs, divided by air inlet side noise two regions to be suppressed, divided by exhaust side noise two regions to be suppressed, by internal combustion engine operation vibrations and mechanicalness noise is controlled by damping and acoustical technology, decayed by two sections of bafflers by smoke evacuation noise, the noise that escaped from inlets and putlets of ventilation by machine interior noise carries out sound-absorbing and diffuse reflection disperse by the acoustical panel group of interlocking each other, greatly reduce the operating noise of heavy duty generator set.Because unit operationally will produce a large amount of heat, if in casing, temperature is too high will affect the normal operation of equipment, for this reason, according to the requirement of unit to ventilation/resh air requirement, reserve the entering of respective area, exhaust port at upper layer box body, ensure enough I. C. engine exhaust passages.
In some embodiments, acoustical panel group comprises spaced multiple tracks flap baffler, leaves space and then form air-flow path between adjacent two flap bafflers.
In some embodiments, flap baffler comprises multiple V-shape noise reduction unit, multiple V-shape noise reduction unit connects in turn, the acoustical panel group of air intake secondary anechoic chamber and the acoustical panel group of air intake one-level anechoic chamber stagger 1/2nd V-shape noise reduction unit on longitudinal direction, and the acoustical panel group of air draft one-level anechoic chamber and the acoustical panel group of air draft secondary anechoic chamber stagger 1/2nd V-shape noise reduction unit on longitudinal direction.Through overtesting, can reaching in half arrangement cycle of staggering of upper and lower two-layer acoustical panel group better hinders damage noise result.
In some embodiments, the periphery wall of noise reduction cabin envelope and engine nacelle envelope all adopts compoiste sound-absorbing board, and compoiste sound-absorbing board comprises the perforated sound-absorbing plate being positioned at nexine, the fire prevention rock wool sound-absorption layer being positioned at centre and is positioned at outermost corrugated sheet steel plate layer.The outer wall of the utility model device adopts corrugated shape steel plate, and inwall adopts punching alloy sheets, central filler fire-retardant fireproof sound-absorbing rock wool, attractive in appearance and sound-absorbing effect good, has rainproof, snow defence, anti-thunderstorm, sun-proof, windproof anti-dust performance.Both the Security and the band that had met oil-electric engine group carry efficiency requirements, and achieve again larger noise reduction, this denoising device meets environment environmental requirement.
In some embodiments, the first airtight air-valve is provided with between generator set chamber and air draft one-level anechoic chamber; Second airtight air-valve is set between air intake secondary anechoic chamber and intake grill.Play the automatic-sealed effect to noise reduction cabin envelope and engine nacelle envelope, rise auto levelizer without time maintenance clean and prevent being strayed into of toy.
In some embodiments, intake grill and exhaust port all install blinds screen.Further maintenance is clean and prevent being strayed into of toy.
In some embodiments, four angles of envelope bottom, noise reduction cabin arrange four guide groove, and four angles of engine nacelle booth upper arrange four guide cone posts of one_to_one corresponding guide groove.For convenience of the splicing of noise reduction cabin envelope and engine nacelle envelope, the utility model can have employed modular design, is convenient to carrying, by handling, simply assembledly can to come into operation, meet the emergency scheduling demand under accident; Also can be used as interim power station to use, flexible deployment, reduction cost of investment.
In some embodiments, output distribution cabinet, oil storage railway carriage or compartment, fire-fighting equipment railway carriage or compartment, railway carriage or compartment work power box is provided with in air intake one-level anechoic chamber.
In some embodiments, secondary smoke evacuation baffler and one-level baffler of discharging fume mutually vertical.Strong smoke evacuation noise obtains eliminating smoke evacuation noise further through secondary muffler.
In some embodiments, smoke exhaust port is provided with smoke evacuation rainhat.Stop rainwater to enter except discharge flue effect except playing, the direct spray also playing the slow high pressure exhaust gas of resistance is quick-fried, plays the buffering to spray sonic boom, sound deadening.
Accompanying drawing explanation
The structural representation of the sound-deadening and noise-reducing device of a kind of heavy duty generator set that Fig. 1 provides for the utility model;
Fig. 2 is the A-A sectional view that Fig. 1 illustrates a kind of sound-deadening and noise-reducing device of heavy duty generator set;
Fig. 3 is the B-B sectional view that Fig. 1 illustrates a kind of sound-deadening and noise-reducing device of heavy duty generator set;
Fig. 4 is the C-C sectional drawing that Fig. 3 illustrates a kind of noise reduction cabin envelope of sound-deadening and noise-reducing device of heavy duty generator set;
Fig. 5 is the D-D sectional drawing that Fig. 3 illustrates a kind of noise reduction cabin envelope of sound-deadening and noise-reducing device of heavy duty generator set;
Fig. 6 is the J direction view of the acoustical panel assembly of the noise reduction cabin envelope of the sound-deadening and noise-reducing device of a kind of heavy duty generator set shown in Fig. 1 and engine nacelle envelope inside when closing.
Embodiment
In order to be illustrated more clearly in the utility model embodiment and technological scheme, below in conjunction with drawings and Examples, the technical solution of the utility model is described in detail, obviously, described embodiment is a part of embodiment of the present utility model, instead of whole embodiment.Based on embodiment of the present utility model, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite not paying creative work, belongs to the scope of the utility model protection.
Research finds that the generation of oil-electric engine group running noises is very complicated.Divide from Producing reason and position, a few part can be summarized as follows: smoke evacuation noise, mechanical noise, combustion noise, cooling fan, exhaust noise, air intake noise, generator noise, unit vibrating noise etc.Visible, the operation noise of oil-electric engine group is made up of polytype noise, and distribution is comparatively wide, and a certain Noise measarement mode of simple utilization is difficult to the problem of noise pollution effectively solving unit.Further, by research, the distribution characteristics analyzing heavy duty generator set noise source and rejection characteristic requirement, under the condition of the size-constrained system of oil-electric engine group noise reduction envelope, need to make full use of limited compartment space.
Based on this, the utility model is exactly the outdoor type sound-deadening and noise-reducing device for laying heavy duty generator set that research possesses applicable rapid deployment, construction; This device uses new model utility technology to design and realizes modular construction, facilitates on-site consolidation, saves floor space, and save construction investment, generator set does not fall appearance, is easy to emergency scheduling.
Concrete, damping device, the illumination of room, railway carriage or compartment etc. bottom internal combustion unit (diesel engine), generator, output distribution, air intake secondary silene system, air draft secondary silene system, smoke evacuation secondary noise reduction system, daily fuel tank, fire-fighting, unit are integrated in envelope by the utility model embodiment; Noise control partitioning technique is taked according to the working principle of oil-electric engine group, the distribution of foundation envelope basic structure and noise and generating unit thereof, envelope is separated into room, multiple control area, form " two Room, cabin five " multi-layer multi-stage noise-reducing structure, noise is confined among a small circle, also utilize different noise reduction technologies to carry out noise reduction process respectively, every part is processed targetedly respectively; Adopt the noise suppression techniques such as sound insulation, sound absorption, diffuse reflection and noise elimination respectively, noise reduction in addition, noise reduction.
Below in conjunction with accompanying drawing 1-6, the utility model is described in further detail.
As shown in Fig. 1 ~ 5, the utility model provides a kind of sound-deadening and noise-reducing device of heavy duty generator set, and this device comprises the noise reduction cabin envelope 1 being positioned at upper strata and the engine nacelle envelope 2 being positioned at bottom; The air draft one-level anechoic chamber 5 that engine nacelle envelope 2 comprises settling the cluster engine room 3 of motor, is positioned at the air intake one-level anechoic chamber 4 of side, cluster engine room 3, is positioned at cluster engine room 3 opposite side.
Cluster engine room 3 is provided with the one-level smoke evacuation baffler 16 extending to noise reduction cabin envelope.
Noise reduction cabin envelope 1 comprises air intake secondary anechoic chamber 6, air draft secondary anechoic chamber 7, and air intake secondary anechoic chamber 6 is communicated with air intake one-level anechoic chamber 4, and air intake secondary anechoic chamber 6 is provided with intake grill 21.
Air draft secondary anechoic chamber 7 is provided with exhaust port 22 and is provided with smoke exhaust port 17, air draft secondary anechoic chamber 7 is communicated with air draft one-level anechoic chamber 5, air draft secondary anechoic chamber 7 is provided with secondary smoke evacuation baffler 18, secondary smoke evacuation baffler 18 one end is communicated with one-level smoke evacuation baffler 16, and secondary smoke evacuation baffler 18 the other end is communicated with smoke exhaust port 17.
The smokejack of motor is communicated with one-level smoke evacuation baffler 16, the suction port of motor is communicated with air intake one-level anechoic chamber 4, the air outlet of motor is communicated with air draft one-level anechoic chamber 5, and air intake one-level anechoic chamber 4, air draft one-level anechoic chamber 5, air intake secondary anechoic chamber 6, air draft secondary anechoic chamber 7 are provided with acoustical panel group.
The utility model provides a kind of sound-deadening and noise-reducing device of heavy duty generator set, oil-electric engine group is laid in cluster engine room 3, unit bottom can arrange damping device 24, to vibration energy that is overall and that externally transmitted by ground base when weakening unit operation.
In the generator set operation phase, the radiation fan pumping action of internal-combustion engine causes the negative pressure of air intake one-level anechoic chamber 4, and introduces outdoor air in a large number by the air intake secondary anechoic chamber 6 be communicated with it, enters air intake one-level anechoic chamber 4 continually.
The high-decibel noise of discharging from suction port, air outlet, smoke exhaust port when acoustical panel group is run motor carries out resistance with technical weakenings such as sound insulation, sound absorption, diffuse reflections to be damaged.
Further, acoustical panel group comprises spaced multiple tracks flap baffler 15, leaves space and then form air-flow path 19 between adjacent two flap bafflers 15.
Further, flap baffler 15 comprises multiple V-shape noise reduction unit 20, multiple V-shape noise reduction unit 20 connects in turn, the acoustical panel group of air intake secondary anechoic chamber 6 and the acoustical panel group of air intake one-level anechoic chamber 4 stagger 1/2nd V-shape noise reduction unit 20 on longitudinal direction, the acoustical panel group of air draft one-level anechoic chamber 5 and the acoustical panel group of air draft secondary anechoic chamber 7 stagger 1/2nd V-shape noise reduction unit 20 on longitudinal direction, as shown in Figure 6, thick and fine rule represents the acoustical panel group in noise reduction cabin envelope 1 and engine nacelle envelope 2 respectively.
Through test, the V-shape noise reduction unit 20 in 150 degree of knuckles can play best resistance and damage noise result.Further, can reaching in half arrangement cycle of staggering of upper and lower two-layer acoustical panel group better hinders damage noise result.
Acoustical panel group of the present utility model and each envelope adopt integral structure, and mounting structure is firm.In addition, employing thickness in flap baffler 15 inside is the chip acoustic(al)absorbent of 100mm, and chip acoustic(al)absorbent is by acoustical cotton outer wrapping glass cloth, and then attached passive micropore acoustic board is made.Prevent acoustical cotton from causing secondary pollution with wind path fragmentation, environmental protection attractive in appearance.
The periphery wall of noise reduction cabin envelope 1 and engine nacelle envelope 2 all adopts compoiste sound-absorbing board, and compoiste sound-absorbing board comprises the perforated sound-absorbing plate being positioned at nexine, the fire prevention rock wool sound-absorption layer being positioned at centre and is positioned at outermost corrugated sheet steel plate layer.
The outer wall of the utility model device adopts corrugated shape steel plate, and inwall adopts punching alloy sheets, central filler fire-retardant fireproof sound-absorbing rock wool, attractive in appearance and sound-absorbing effect good, has rainproof, snow defence, anti-thunderstorm, sun-proof, windproof anti-dust performance.Both the Security and the band that had met oil-electric engine group carry efficiency requirements, and achieve again larger noise reduction, this denoising device meets environment environmental requirement.
The first airtight air-valve 8 is provided with between generator set chamber 3 and air draft one-level anechoic chamber 5; Second airtight air-valve 9 is set between air intake secondary anechoic chamber 6 and intake grill 21, plays the automatic-sealed effect to noise reduction cabin envelope 1 and engine nacelle envelope 2, clean and prevent being strayed into of toy in the maintenance of not used time with assurance device.
Intake grill 21 and exhaust port 22 all install blinds screen.Prevent being strayed into of toy.
Four angles of envelope 1 bottom, noise reduction cabin arrange four guide groove 26, and four angles on engine nacelle envelope 2 top arrange four guide cone posts 25 of one_to_one corresponding guide groove 26.The splicing of noise reduction cabin envelope 1 and engine nacelle envelope 2 for convenience, middle splicing seams surrounding is provided with waterstop and sealing rubber pad, and lifting contraposition is very convenient, is convenient to secondary dismounting, displacement, lifts.Modular design of the present utility model, is convenient to carrying, by handling, simply assembledly can to come into operation, meet the emergency scheduling demand under accident; Also can be used as interim power station to use, flexible deployment, reduction cost of investment.
Engine nacelle envelope of the present utility model 2 and generator set form a whole, and the noise reduction cabin envelope 1 on upper strata is also as a whole, can integral hoisting; Oriented identification can be done in the corner of docking, facilitates integral hoisting, movement.By dismounting again, be transported to new place and install, and continue to use.
The utility model employs envelope Automation System Design, by this by integrated to envelope internal circuit, oil circuit, water route, wind path, noise control system, comprise unit body, unit corollary equipment, fuel oil supply system, enter air draft and noise-canceling system, envelope environmental system and illuminating system (flameproof lamp many groups, flame-proof switch is multiple) six parts.
Envelope outer wall is all steel parcel, has two place's electric connecting points in upper and lower two cabins, and bottom cabin wall, around a circle electrical grounding band, causes the ground stud of foundation ground by two earth tapes.Be equipped with envelope lightning rod, envelope have lightning conductor guide to the tie point of lightning conduction on the ground.
Envelope all operations panel, operating area all have illuminating system.The inner all wirings of envelope all adopt wears Frpipe (groove) mode, and all cables adopt oil resistant flame retardant cable; Envelope internal configurations security protection monitoring device: temperature, smog, fire fighting extinguisher etc.
Further, output distribution cabinet 10, oil storage railway carriage or compartment 11, fire-fighting equipment railway carriage or compartment 12, railway carriage or compartment work power box is provided with in air intake one-level anechoic chamber 4.
In the motor operation phase, the temperature of air intake one-level anechoic chamber 4, close to ambient temperature, meets the security requirement to ambient temperature such as distribution, oil storage.
Further, secondary smoke evacuation baffler 18 and one-level baffler 16 of discharge fume is mutually vertical, and strong smoke evacuation noise obtains further elimination through secondary muffler and to discharge fume noise.
The two roads smoke evacuation bafflers that the utility model provides all adopt high noise abatement, lower resistance baffler, and secondary smoke evacuation baffler 18 and one-level are discharged fume baffler 16 joint streamline curvature, decrease the smoke evacuation resistance on smoke pipe road; In addition, inner smoke-exhaust pipeline is heat insulation with exotic material, then adopts protective net protection.
Further, smoke exhaust port 17 is provided with smoke evacuation rainhat 23, stops rainwater to enter except the effect of discharge flue except playing, and the direct spray also playing the slow high pressure exhaust gas of resistance is quick-fried, to the spray buffering of sonic boom, the effect of noise reduction.
The utility model adopts corrugated structure, and intensity is high, and special diversion eaves can be installed in side, quick water guide, not long-pending rainwater.All install water retaining brim additional above the doorway of envelope He above window, avoid the water that envelope sidewall stays to be penetrated in envelope by crack between a door and its frame and window seam.Inlets and putlets of ventilation installs steel stormproof louvre screen, and enter, discharge window inside is opened automatically by installing, the electronic airtight air lock of close type, before civil power power-off, unit enter and start, warm-up phase, electronic air lock are opened (having emergent manually booting); After unit is closed, forced ventilation device is started working, and guarantees that unit waste heat distributes as early as possible.After in envelope, temperature is down to normal value, air lock is closed automatically, ensures dust-proof, waterproof, insulation effect in envelope.Envelope security level reaches IP44.
Actual test noise reduction noise reduction effect shows: the utility model device uses resistive fictitious load by 25%, 50%, 75%, 90%, 100% by shelves load operating, each shelves power section stable operation 10 minutes, in distance from casing 1 meter of test noise situation: 1) be with 75% load, noise 68db; 2) 100% load is with, noise 73db; Be less than the 75db of regulation, avoid noise and disturb residents, in this device of full load test, generating set power exports without falling damage.
The above, be only preferred embodiment of the present utility model, is not intended to limit protection domain of the present utility model.

Claims (10)

1. the sound-deadening and noise-reducing device of heavy duty generator set, is characterized in that, described device comprises noise reduction cabin envelope (1) being positioned at upper strata and the engine nacelle envelope (2) being positioned at bottom; The air draft one-level anechoic chamber (5) that described engine nacelle envelope (2) comprises settling the cluster engine room (3) of motor, is positioned at the air intake one-level anechoic chamber (4) of described cluster engine room (3) side, is positioned at described cluster engine room (3) opposite side;
Described cluster engine room (3) is provided with one-level smoke evacuation baffler (16) extending to described noise reduction cabin envelope (1);
Described noise reduction cabin envelope (1) comprises air intake secondary anechoic chamber (6), air draft secondary anechoic chamber (7), described air intake secondary anechoic chamber (6) is communicated with described air intake one-level anechoic chamber (4), and described air intake secondary anechoic chamber (6) is provided with intake grill (21);
Described air draft secondary anechoic chamber (7) is provided with exhaust port (22) and smoke exhaust port (17), described air draft secondary anechoic chamber (7) is communicated with described air draft one-level anechoic chamber (5), air draft secondary anechoic chamber (7) is provided with secondary smoke evacuation baffler (18), described secondary smoke evacuation baffler (18) one end is communicated with described one-level smoke evacuation baffler (16), and described secondary smoke evacuation baffler (18) the other end is communicated with smoke exhaust port (17);
The smokejack of motor is communicated with described one-level smoke evacuation baffler (16), the suction port of motor is communicated with described air intake one-level anechoic chamber (4), the air outlet of described motor is communicated with described air draft one-level anechoic chamber (5), and described air intake one-level anechoic chamber (4), air draft one-level anechoic chamber (5), air intake secondary anechoic chamber (6) and air draft secondary anechoic chamber (7) are provided with acoustical panel group.
2. the sound-deadening and noise-reducing device of heavy duty generator set according to claim 1, it is characterized in that, described acoustical panel group comprises spaced multiple tracks flap baffler (15), leaves the space forming air-flow path (19) between adjacent two described flap bafflers (15).
3. the sound-deadening and noise-reducing device of heavy duty generator set according to claim 2, it is characterized in that, described flap baffler (15) comprises multiple V-shape noise reduction unit (20), multiple described V-shape noise reduction unit (20) connects in turn, the acoustical panel group of described air intake secondary anechoic chamber (6) and the acoustical panel group of described air intake one-level anechoic chamber (4) stagger 1/2nd V-shape noise reduction unit (20) on longitudinal direction, the acoustical panel group of described air draft one-level anechoic chamber (5) and the acoustical panel group of described air draft secondary anechoic chamber (7) stagger 1/2nd V-shape noise reduction unit (20) on longitudinal direction.
4. the sound-deadening and noise-reducing device of heavy duty generator set according to claim 1, it is characterized in that, the periphery wall of described noise reduction cabin envelope (1) and engine nacelle envelope (2) all adopts compoiste sound-absorbing board, and described compoiste sound-absorbing board comprises the perforated sound-absorbing plate being positioned at nexine, the fire prevention rock wool sound-absorption layer being positioned at centre and is positioned at outermost corrugated sheet steel plate layer.
5. the sound-deadening and noise-reducing device of heavy duty generator set according to claim 1, is characterized in that, is provided with the first airtight air-valve (8) between described generator set chamber (3) and described air draft one-level anechoic chamber (5); Second airtight air-valve (9) is set between described air intake secondary anechoic chamber (6) and described intake grill (21).
6. the sound-deadening and noise-reducing device of heavy duty generator set according to claim 1, is characterized in that, described intake grill (21) and exhaust port (22) are all provided with blinds screen.
7. the sound-deadening and noise-reducing device of heavy duty generator set according to claim 1, it is characterized in that, four angles of envelope (1) bottom, described noise reduction cabin arrange four guide groove (26), and four angles on described engine nacelle envelope (2) top arrange four guide cone posts (25) of guide groove described in one_to_one corresponding (26).
8. the sound-deadening and noise-reducing device of heavy duty generator set according to claim 1, it is characterized in that, in described air intake one-level anechoic chamber (4), be provided with output distribution cabinet (10), oil storage railway carriage or compartment (11), fire-fighting equipment railway carriage or compartment (12), railway carriage or compartment work power box.
9. the sound-deadening and noise-reducing device of heavy duty generator set according to claim 1, is characterized in that, described secondary smoke evacuation baffler (18) and described one-level baffler (16) of discharging fume is mutually vertical.
10. the sound-deadening and noise-reducing device of heavy duty generator set according to claim 1, is characterized in that, described smoke exhaust port (17) is provided with smoke evacuation rainhat (23).
CN201520002846.9U 2015-01-04 2015-01-04 The sound-deadening and noise-reducing device of heavy duty generator set Expired - Fee Related CN204511651U (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106401740A (en) * 2016-05-31 2017-02-15 飞尔特能源(东莞)有限公司 Modular silent generator set
CN106762122A (en) * 2017-01-22 2017-05-31 广东绿谷净化设备有限公司 A kind of low noise entirety computer room for being applied to industrial premises and heavy construction equipment
CN106917458A (en) * 2017-03-03 2017-07-04 上海声望声学科技股份有限公司 The special wedge of anechoic room fire-fighting equipment
CN108678844A (en) * 2018-07-13 2018-10-19 三江瓦力特特种车辆有限公司 Engine SCR aftertreatment system for petroleum well servicing rig
CN111550418A (en) * 2020-05-15 2020-08-18 杭州余杭特种风机有限公司 Low-noise high-efficiency centrifugal blower
CN113132491A (en) * 2021-04-26 2021-07-16 广州志广信息科技有限公司 Passive amortization type edge calculating device
CN114526157A (en) * 2022-01-25 2022-05-24 江苏捷诚车载电子信息工程有限公司 Heat dissipation and noise reduction device for square cabin of high-power generator set

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106401740A (en) * 2016-05-31 2017-02-15 飞尔特能源(东莞)有限公司 Modular silent generator set
CN106762122A (en) * 2017-01-22 2017-05-31 广东绿谷净化设备有限公司 A kind of low noise entirety computer room for being applied to industrial premises and heavy construction equipment
CN106917458A (en) * 2017-03-03 2017-07-04 上海声望声学科技股份有限公司 The special wedge of anechoic room fire-fighting equipment
CN108678844A (en) * 2018-07-13 2018-10-19 三江瓦力特特种车辆有限公司 Engine SCR aftertreatment system for petroleum well servicing rig
CN108678844B (en) * 2018-07-13 2024-05-17 三江瓦力特特种车辆有限公司 Engine SCR post-treatment system for petroleum workover rig
CN111550418A (en) * 2020-05-15 2020-08-18 杭州余杭特种风机有限公司 Low-noise high-efficiency centrifugal blower
CN113132491A (en) * 2021-04-26 2021-07-16 广州志广信息科技有限公司 Passive amortization type edge calculating device
CN114526157A (en) * 2022-01-25 2022-05-24 江苏捷诚车载电子信息工程有限公司 Heat dissipation and noise reduction device for square cabin of high-power generator set

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