CN206917701U - Exhaust silencer and gas extraction system - Google Patents

Exhaust silencer and gas extraction system Download PDF

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Publication number
CN206917701U
CN206917701U CN201720573584.0U CN201720573584U CN206917701U CN 206917701 U CN206917701 U CN 206917701U CN 201720573584 U CN201720573584 U CN 201720573584U CN 206917701 U CN206917701 U CN 206917701U
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China
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subspace
cylinder
space
exhaust silencer
punching pipe
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汤明星
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Tellhow Sci Tech Co Ltd
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Tellhow Sci Tech Co Ltd
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Abstract

It the utility model is related to internal combustion engine exhaust system technical field, it is intended to solve the problems, such as that silencer soundproof effect of the prior art is poor, installation workload is big and space-consuming is big, there is provided a kind of exhaust silencer and gas extraction system.The exhaust silencer provided in embodiment of the present utility model, the first punching pipe connect the first subspace and the second subspace.Second punching pipe connects the second subspace and second space;The not parallel setting of axis of first punching pipe and cylinder, the first space reactive muffling structure;The outside of second punching pipe is filled with noise reduction rock wool, second space resistance noise reduction structure;So that resistance noise reduction and reactive muffling are combined, soundproof effect is improved.It is provided with two the first subspaces of connection and extraneous first passages on cylinder, two first passages conflux air inlet is two-in-one, reduce silencer requirement.The gas extraction system provided in embodiment of the present utility model also possesses and has the beneficial effect for occupying little space and improving soundproof effect.

Description

Exhaust silencer and gas extraction system
Technical field
Internal combustion engine exhaust system technical field is the utility model is related to, in particular to a kind of exhaust silencer and row Gas system.
Background technology
In internal combustion engine exhaust system noise source, exhaust noise is a kind of high temperature, the pulsating nature pneumatic noise of high speed, is to start Most important part in energy the best part, and engine overall noise in machine noise.It makes an uproar than other body machineries Other noises such as sound and Induction and exhaust noises are much higher, and it is big that the noise reduction of exhaust silencer directly influences whole equipment acoustic noise It is small.
Conventional silencer is usually a reactive muffler, and air drag is small, low in main elimination engine exhaust Frequency noise, poor to high-frequency noises effect, its overall soundproof effect is unsatisfactory, does not possess full frequency band acoustical absorptivity;The opposing party Face, a big chunk heavy duty gas extraction system engine smoke discharging mouth have two exhaust openings, if each exhaust opening list An only silencer, there will be the deficiencies of increasing installation workload, space-consuming, existing silencer can not meet demand for this.
Utility model content
The utility model aims to provide a kind of exhaust silencer, with solve silencer soundproof effect of the prior art it is poor, Installation workload is big and the problem of space-consuming is big.
Another object of the present utility model is to provide a kind of gas extraction system with above-mentioned exhaust silencer.
What embodiment of the present utility model was realized in:
A kind of exhaust silencer, it includes cylinder;First partition, cylinder is divided into along cylinder by first partition to be axially distributed The first space and second space;First space is divided into along radially-arranged first son of cylinder by second partition, second partition Space and the second subspace;First punching pipe, the first punching pipe connect the first subspace and the second subspace;Second punching pipe, Second punching pipe connects the second subspace and second space.Wherein, the axis of the first punching pipe and cylinder is not parallel;Second punching Noise reduction rock wool is filled with the outside of pipe.Two the first subspaces of connection and extraneous first passage are provided with cylinder, is gone back on cylinder It is provided with connection second space and extraneous second channel.
The exhaust silencer provided in embodiment of the present utility model, cylinder is divided into along cylinder by first partition axially to be divided First space of cloth and second space;First space is divided into along radially-arranged first subspace of cylinder and by second partition Two subspaces.First punching pipe connects the first subspace and the second subspace.Second punching pipe connects the second subspace and second Space;Wherein, the not parallel setting of axis of the first punching pipe and cylinder, the first space reactive muffling structure;Second punching pipe Outside is filled with noise reduction rock wool, second space resistance noise reduction structure;So that resistance noise reduction and reactive muffling are combined, widen and disappeared Acoustic frequency section, exhaust full frequency band are eliminated the noise, and improve soundproof effect.Two the first subspaces of connection and extraneous the are provided with cylinder One passage, connection second space and extraneous second channel are additionally provided with cylinder, and two first passages are two-in-one by air inlet Conflux, reduce silencer requirement, installation convenience is good and reduces space-consuming.There is provided in embodiment of the present utility model Exhaust silencer possesses and has the beneficial effect for occupying little space, being easily installed and improving soundproof effect.
In one embodiment of the present utility model:
Above-mentioned exhaust silencer also includes the 3rd dividing plate, and second space is divided into the 3rd subspace and the 4th by the 3rd dividing plate Subspace;Second punching pipe is located in the 3rd subspace, and is connected with the 4th subspace.
In one embodiment of the present utility model:
The both ends of above-mentioned second punching pipe are connected with first partition and the 3rd dividing plate respectively.
In one embodiment of the present utility model:
The axis of above-mentioned second punching pipe and the diameter parallel of cylinder.
In one embodiment of the present utility model:
The axis of above-mentioned first punching pipe is vertical with the axis of cylinder.
In one embodiment of the present utility model:
The axial length of above-mentioned first subspace is less than the axial length of the second subspace.
In one embodiment of the present utility model:
Deflector is provided with above-mentioned first subspace, the second subspace and the 4th subspace.
In one embodiment of the present utility model:
The madial wall of above-mentioned first subspace, the second subspace and the 4th subspace is provided with shrouding;Shrouding and cylinder The madial wall of body forms heat-insulation chamber.
In one embodiment of the present utility model:
Noise elimination rock wool is filled with above-mentioned heat-insulation chamber.
A kind of gas extraction system, including any one above-mentioned exhaust silencer, the gas extraction system also include blast pipe;Blast pipe The opening of one end connects with the air inlet pipe of exhaust silencer.
The beneficial effect of the utility model embodiment is:
The exhaust silencer provided in embodiment of the present utility model, cylinder is divided into along cylinder by first partition axially to be divided First space of cloth and second space;First space is divided into along radially-arranged first subspace of cylinder and by second partition Two subspaces.First punching pipe connects the first subspace and the second subspace.Second punching pipe connects the second subspace and second Space.Wherein, the not parallel setting of axis of the first punching pipe and cylinder, the first space reactive muffling structure;Second punching pipe Outside is filled with noise reduction rock wool, second space resistance noise reduction structure;So that resistance noise reduction and reactive muffling are combined, widen and disappeared Acoustic frequency section, exhaust full frequency band are eliminated the noise, and improve soundproof effect.Two the first subspaces of connection and the external world are provided with cylinder First passage, connection second space and extraneous second channel are additionally provided with cylinder, and two first passages close air inlet two One confluxes, and reduces silencer requirement, installation convenience is good and reduces space-consuming.There is provided in embodiment of the present utility model Exhaust silencer possess and have the beneficial effect for occupying little space, being easily installed and improving soundproof effect.
Gas extraction system provided by the utility model, including above-mentioned exhaust silencer, therefore also have and occupy little space, just In the beneficial effect for installing and improving soundproof effect.
Brief description of the drawings
, below will be to required use in embodiment in order to illustrate more clearly of the technical scheme of the utility model embodiment Accompanying drawing be briefly described, it will be appreciated that the following drawings illustrate only some embodiments of the present utility model, therefore should not be by Regard the restriction to scope as, for those of ordinary skill in the art, on the premise of not paying creative work, may be used also To obtain other related accompanying drawings according to these accompanying drawings.
Fig. 1 is the integrally-built front view of the exhaust silencer provided in the utility model embodiment;
Fig. 2 is the integrally-built main view profile of the exhaust silencer provided in the utility model embodiment;
Fig. 3 is the sectional view of III-III in Fig. 1;
Fig. 4 is the sectional view of IV-IV in Fig. 1.
Icon:10- exhaust silencers;100- cylinders;The spaces of 110- first;The subspaces of 112- first;Of 114- second are empty Between;120- second spaces;The subspaces of 122- the 3rd;The subspaces of 124- the 4th;130- first passages;140- second channels;150- Deflector;160- shroudings;170- support feets;180- hangers;190- dewatering outlets;200- first partitions;300- second partitions;400- 3rd dividing plate;500- the first punching pipes;600- the second punching pipes.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer Accompanying drawing in type embodiment, the technical scheme in the embodiment of the utility model is clearly and completely described, it is clear that is retouched The embodiment stated is the utility model part of the embodiment, rather than whole embodiments.Generally here described in accompanying drawing and The component of the utility model embodiment shown can be configured to arrange and design with a variety of.
Therefore, the detailed description of the embodiment of the present utility model to providing in the accompanying drawings is not intended to limit requirement below The scope of the utility model of protection, but it is merely representative of selected embodiment of the present utility model.Based in the utility model Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all Belong to the scope of the utility model protection.
It should be noted that:Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi It is defined, then it further need not be defined and explained in subsequent accompanying drawing in individual accompanying drawing.
, it is necessary to explanation in the description of the utility model embodiment, if there is term " on ", " under ", " interior ", " outer " Deng instruction orientation or position relationship be based on orientation shown in the drawings or position relationship, or the utility model product use When the orientation usually put or position relationship, be for only for ease of description the utility model and simplify and describe, rather than instruction or Imply that signified device or element there must be specific orientation, with specific azimuth configuration and operation, therefore it is not intended that To limitation of the present utility model.If it is only used for distinguishing in addition, occurring term " first ", " second " etc. in description of the present utility model Description, and it is not intended that instruction or hint relative importance.
In the description of the utility model embodiment, it is also necessary to explanation, unless otherwise clearly defined and limited, if Appearance term " setting ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or one Connect body;Can be joined directly together, can also be indirectly connected by intermediary, can be the connection of two element internals. For the ordinary skill in the art, it can understand that specific in the utility model of above-mentioned term containing with concrete condition Justice.
Embodiment 1
Fig. 1 is the integrally-built front view of the exhaust silencer 10 provided in the utility model embodiment.Can from Fig. 1 To find out, exhaust silencer 10 includes cylinder 100 closed at both ends.Two are provided with the side wall of one end of cylinder 100 One passage 130, a second channel 140 is provided with the side wall of the other end of cylinder 100.It is logical close to first in cylinder 100 The lateral surface in road 130 is provided with support feet 170, and mounting hole (not shown) is offered in support feet 170.Outside cylinder 100 Side wall offers dewatering outlet 190;The both sides relative with the axial line that second channel 140 is arranged on accommodating chamber of dewatering outlet 190.At this In embodiment, first passage 130 is inlet channel, and second channel 140 is exhaust passage.Motor exhaust passes through first passage 130 enter cylinder 100, are discharged in cylinder 100 after noise elimination is handled from second channel 140.
It should be noted that in the present embodiment, the support feet 170 that setting offers mounting hole is for the ease of whole row The installation of gas silencer 10 is fixed.It should be understood that in other specific embodiments, can also be not provided with according to the demand of user Support feet 170.
It should also be noted that, in the present embodiment, dewatering outlet 190 is set in order to by from the row of exhaust silencer 10 The rainwater that gas outlet accidentally enters is expelled to the outside of exhaust silencer 10 in time, because accumulation of rainwater more will be from exhaust silencer 10 air inlet enters internal combustion engines, directly damages internal combustion engine;And a large amount of rainwater absorption have an effect on noise elimination effect in noise elimination cotton Fruit.
Fig. 2 is the integrally-built main view profile of the exhaust silencer 10 provided in the utility model embodiment.Fig. 2 is clear The internal structure for showing exhaust silencer 10 of Chu.First partition 200, second partition 300, are provided with cylinder 100 One punching pipe 500 and the second punching pipe 600.Cylinder 100 is divided into be axially distributed along cylinder 100 by first partition 200 One space 110 and second space 120.First space 110 is divided into along cylinder 100 radially-arranged first by second partition 300 The subspace 114 of subspace 112 and second.First punching pipe 500 connects the first subspace 112 and the second subspace 114.Second punching Hole pipe 600 connects the second subspace 114 and second space 120.Wherein, the axis of the first punching pipe 500 and cylinder 100 is uneven OK;Noise reduction rock wool is filled in the outside of the second punching pipe 600.Be provided with cylinder 100 two subspaces 112 of connection first with it is outer The first passage 130 on boundary, connection second space 120 and extraneous second channel 140 are additionally provided with cylinder 100.
In the present embodiment, exhaust silencer 10 also includes the 3rd dividing plate 400, and the 3rd dividing plate 400 divides second space 120 It is divided into the 3rd subspace 122 and the 4th subspace 124;Second punching pipe 600 is located in the 3rd subspace 122, and with the 4th son Space 124 connects.Set the 3rd dividing plate 400 that second space 120 is divided into the 3rd subspace 122 and the 4th subspace 124, In gas discharge process, sound is empty by the first subspace 112, the second subspace 114, the 3rd subspace 122 and the 4th son Between after 124 sound wave easily produce reflection, interference, further reduce Middle and low frequency noise, improve noise reduction.
It should be noted that in the present embodiment, set the 3rd dividing plate 400 that second space 120 is divided into the 3rd son sky Between 122 and the 4th subspace 124, in gas discharge process, sound is by the first subspace 112, the second subspace 114, the Acoustic energy easily produces reflection, interference behind three subspaces 122 and the 4th subspace 124, further reduces Middle and low frequency noise, Improve noise reduction.It should be understood that in other specific embodiments, can also according to the demand of user, be not provided with the 3rd every Plate 400.
In the present embodiment, the both ends of the second punching pipe 600 are connected with the dividing plate 400 of first partition 200 and the 3rd respectively.The The both ends of two punching pipes 600 are connected with the dividing plate 400 of first partition 200 and the 3rd respectively so that the layout of the second punching pipe 600 It is more reasonable.
It should be noted that in the present embodiment, the both ends of the second punching pipe 600 respectively with first partition 200 and the 3rd Dividing plate 400 connects so that the layout of the second punching pipe 600 is more reasonable.It should be understood that in other specific embodiments, The second punching pipe 600 can be connected using other modes according to the demand of user.
Fig. 3 is the sectional view of III-III in Fig. 1.Fig. 3 is refer to, in the present embodiment, the axis of the second punching pipe 600 With the diameter parallel of cylinder 100, the surrounding of the second punching pipe 600 has a diameter of 8mm aperture, and punching rate is 30%.In the second punching It is for resistance noise reduction that the outside of hole pipe 600, which sets noise reduction rock wool,.Dissipative muffler is in porous sound-absorbing material using sound wave Or propagated in sound absorption structure, dissipated because acoustic energy is converted into heat energy by friction, make to decline with distance along the noise of pipe transmmision Subtract, so as to reach noise elimination purpose.
It should be noted that in the present embodiment, the diameter parallel of the axis and cylinder 100 of the second punching pipe 600 is set Put primarily to more rational space layout.It should be understood that in other specific embodiments, can also be according to user's Demand, the axis of the second punching pipe 600 is intersected into setting with the axis of cylinder 100.
Fig. 4 is the sectional view of IV-IV in Fig. 1.Refer to Fig. 4, in the present embodiment, the axis of the first punching pipe 500 with The axis of second punching pipe 600 is vertical.The surrounding of first punching pipe 500 has a diameter of 8mm aperture, and punching rate is 30%.By It is primarily to preferably eliminating low in sound that the axis of the axis of one punching pipe 500 and the second punching pipe 600, which is vertically arranged, Frequency noise.
It should be noted that in the present embodiment, set the axis of the first punching pipe 500 is vertical with the axis of cylinder 100 Put is primarily to more rational space layout.It should be understood that in other specific embodiments, can also be according to user Demand, the axis of the axis of the first punching pipe 500 and cylinder 100 is used into other positions relation.
In the present embodiment, the axial length of the first subspace 112 is less than the axial length of the second subspace 114.First The axial length that the axial length of subspace 112 is less than the second subspace 114 is to increase the gas in the second subspace 114 The circulation area of the 3rd subspace 122 is flowed into, and then make it that waste gas discharge is more smooth.
It should be noted that in the present embodiment, the axial length of the first subspace 112 is less than the second subspace 114 Axial length is to increase the circulation area that the gas in the second subspace 114 flows into the 3rd subspace 122, and then is caused useless Gas discharge is more smooth.It should be understood that in other specific embodiments, can also be empty by the first son according to the demand of user Between 112 axial length be arranged to equal with the axial length of the second subspace 114.
In the present embodiment, first partition 200 include with the first side plate of the axis parallel of cylinder 100 and with cylinder The vertical second side plate of the axial line of body 100;First punching pipe 500 is arranged in first side plate, and the first punching pipe 500 connects Logical first subspace 112 and the second subspace 114;The axial line of first punching pipe 500 is vertical with the axial line of cylinder 100 to be set Put.Second subspace 114 and the first subspace 112 are caused using orthogonal two side panels composition first partition 200 Layout it is more reasonable, be easy to waste gas to be discharged to along the first punching pipe 500 in the second subspace 114, the reflection through cylinder 100 During flowing to first partition 200, circulation is more reasonable, is easy to waste gas multiple reflections to improve noise reduction.
In the present embodiment, it is provided with and leads in the first subspace 112, the second subspace 114 and the 4th subspace 124 Flowing plate 150.Deflector 150 be provided with first subspace 112, the second subspace 114 and the 4th subspace 124 be in order to Reduce exhaust back pressure, reduce exhaust noise, reduction silencer is shaken caused by exhaust back pressure.
It should be noted that in the present embodiment, the first subspace 112, the second subspace 114 and the 4th subspace It is to reduce exhaust back pressure that deflector 150 is provided with 124, reduces exhaust noise, reduces silencer because exhaust back pressure draws The vibrations risen.It should be understood that in other specific embodiments, deflector 150 can also be not provided with according to the demand of user.
In the present embodiment, the madial wall of the first subspace 112, the second subspace 114 and the 4th subspace 124 is equal It is provided with shrouding 160;The madial wall of shrouding 160 and cylinder 100 forms heat-insulation chamber (not shown);It is filled with and disappears in heat-insulation chamber Sound rock wool.Madial wall in the first subspace 112, the second subspace 114 and the 4th subspace 124 is provided with shrouding 160;The madial wall of shrouding 160 and cylinder 100 forms heat-insulation chamber;Noise elimination rock wool is filled with heat-insulation chamber, can be effectively heat-insulated While increase noise reduction, and reasonably utilization space, reduce the area occupied of silencer.
It should be noted that in the present embodiment, it is empty in the first subspace 112, the second subspace 114 and the 4th son Between 124 madial wall be provided with shrouding 160;The madial wall of shrouding 160 and cylinder 100 forms heat-insulation chamber;Filled in heat-insulation chamber There is noise elimination rock wool, effectively can increase noise reduction, and reasonably utilization space heat-insulated while, reduce the occupancy of silencer Area.It should be understood that in other specific embodiments, heat-insulation chamber can also be not provided with according to the demand of user.
In the present embodiment, it is connected with flange (not shown) at 140 mouthfuls of first passage 130 and second channel.If It is the connection between admission line and discharge duct for convenience to put flange.
It should be noted that in the present embodiment, it is in order to facilitate between admission line and discharge duct to set flange Connection.It should be understood that in other specific embodiments, can also be realized according to the demand of user using other connectors Connection between admission line and discharge duct
In the present embodiment, cylinder 100 is provided with support feet 170 close to the lateral surface of first passage 130.Support feet 170 On offer mounting hole (not shown).The support feet 170 that setting offers mounting hole is for the ease of whole exhausting silencer The installation of device 10 is fixed.
It should be noted that in the present embodiment, the support feet 170 that setting offers mounting hole is for the ease of whole row The installation of gas silencer 10 is fixed.It should be understood that in other specific embodiments, can also be not provided with according to the demand of user Support feet 170.
In the present embodiment, cylinder 100 is provided with hanger 180 close to the lateral surface of second channel 140.Hanger 180 is set It is for preferably stable exhaust silencer 10.
It should be noted that in the present embodiment, hanger 180 is set to be for preferably stable exhaust silencer 10.Can With understanding, in other specific embodiments, hanger 180 can also be not provided with according to the demand of user.
Cylinder 100 is divided into edge by the exhaust silencer 10 provided in embodiment of the present utility model, first partition 200 The first space 110 and second space 120 that cylinder 100 is axially distributed;First space 110 is divided into along cylinder by second partition 300 The radially-arranged subspace 114 of first subspace 112 and second of body 100.First punching pipe 500 connects the He of the first subspace 112 Second subspace 114.Second punching pipe 600 connects the second subspace 114 and second space 120.Wherein, the first punching pipe 500 With the not parallel setting of axis of cylinder 100, the reactive muffling structure of the first space 110.The outside of second punching pipe 600 is provided with Noise reduction rock wool, the resistance noise reduction structure of second space 120 so that resistance noise reduction and reactive muffling are combined, and have widened frequency of noise elimination Section, exhaust full frequency band are eliminated the noise, and improve soundproof effect.Two the first subspaces of connection 112 and the external world are provided with cylinder 100 First passage 130, two first passages 130 conflux air inlet is two-in-one, reduce silencer requirement, install convenience Good and reduction space-consuming.The exhaust silencer 10 provided in embodiment of the present utility model, which possesses, to occupy little space, is easy to Installation and the beneficial effect for improving soundproof effect.
A kind of gas extraction system, including blast pipe and above-mentioned exhausting silencer are additionally provided in embodiment of the present utility model Device 10;The opening of blast pipe one end connects with the air inlet pipe of exhaust silencer 10.Because the gas extraction system includes above-mentioned exhaust Silencer 10, therefore also there is the beneficial effect for occupying little space, being easily installed and improving soundproof effect.
Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model, for this For the technical staff in field, the utility model can have various modifications and variations.It is all in the spirit and principles of the utility model Within, any modification, equivalent substitution and improvements made etc., it should be included within the scope of protection of the utility model.

Claims (10)

  1. A kind of 1. exhaust silencer, it is characterised in that including:
    Cylinder;
    The cylinder is divided into the first space being axially distributed along the cylinder and the second sky by first partition, the first partition Between;
    Second partition, the second partition first space is divided into along radially-arranged first subspace of the cylinder and Second subspace;
    First punching pipe, the first punching pipe connect first subspace and second subspace;
    Second punching pipe, the second punching pipe connect second subspace and the second space;
    Wherein, the axis of the first punching pipe and the cylinder is not parallel;Noise reduction rock is filled with the outside of the second punching pipe Cotton;
    Two connection first subspaces and extraneous first passage are provided with the cylinder, is additionally provided with the cylinder Connect the second space and extraneous second channel.
  2. 2. exhaust silencer according to claim 1, it is characterised in that:
    The exhaust silencer also includes the 3rd dividing plate, the 3rd dividing plate by the second space be divided into the 3rd subspace and 4th subspace;The second punching pipe is located in the 3rd subspace, and is connected with the 4th subspace.
  3. 3. exhaust silencer according to claim 2, it is characterised in that:
    The both ends of the second punching pipe are connected with first partition and the 3rd dividing plate respectively.
  4. 4. exhaust silencer according to claim 2, it is characterised in that:
    The axis of the second punching pipe and the diameter parallel of the cylinder.
  5. 5. exhaust silencer according to claim 4, it is characterised in that:
    The axis of the first punching pipe is vertical with the axis of the cylinder.
  6. 6. exhaust silencer according to claim 1, it is characterised in that:
    The axial length of first subspace is less than the axial length of second subspace.
  7. 7. exhaust silencer according to claim 2, it is characterised in that:
    Deflector is provided with first subspace, second subspace and the 4th subspace.
  8. 8. exhaust silencer according to claim 2, it is characterised in that:
    The madial wall of first subspace, second subspace and the 4th subspace is provided with shrouding;It is described The madial wall of shrouding and the cylinder forms heat-insulation chamber.
  9. 9. exhaust silencer according to claim 8, it is characterised in that:
    Noise elimination rock wool is filled with the heat-insulation chamber.
  10. A kind of 10. gas extraction system, it is characterised in that:
    Exhaust silencer of the gas extraction system described in including blast pipe and claim 1 to 9 any one;The blast pipe The opening of one end connects with the air inlet pipe of the exhaust silencer.
CN201720573584.0U 2017-05-22 2017-05-22 Exhaust silencer and gas extraction system Active CN206917701U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720573584.0U CN206917701U (en) 2017-05-22 2017-05-22 Exhaust silencer and gas extraction system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720573584.0U CN206917701U (en) 2017-05-22 2017-05-22 Exhaust silencer and gas extraction system

Publications (1)

Publication Number Publication Date
CN206917701U true CN206917701U (en) 2018-01-23

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Application Number Title Priority Date Filing Date
CN201720573584.0U Active CN206917701U (en) 2017-05-22 2017-05-22 Exhaust silencer and gas extraction system

Country Status (1)

Country Link
CN (1) CN206917701U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108417194A (en) * 2018-05-02 2018-08-17 隆鑫通用动力股份有限公司 silencer
CN113482756A (en) * 2021-08-20 2021-10-08 泰豪电源技术有限公司 Exhaust muffler modular design method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108417194A (en) * 2018-05-02 2018-08-17 隆鑫通用动力股份有限公司 silencer
CN113482756A (en) * 2021-08-20 2021-10-08 泰豪电源技术有限公司 Exhaust muffler modular design method
CN113482756B (en) * 2021-08-20 2022-11-04 泰豪电源技术有限公司 Exhaust muffler modular design method

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