CN209688334U - A kind of air exhaust muffler device of high-pressure gas pipelines valve - Google Patents

A kind of air exhaust muffler device of high-pressure gas pipelines valve Download PDF

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Publication number
CN209688334U
CN209688334U CN201920216394.2U CN201920216394U CN209688334U CN 209688334 U CN209688334 U CN 209688334U CN 201920216394 U CN201920216394 U CN 201920216394U CN 209688334 U CN209688334 U CN 209688334U
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China
Prior art keywords
muffler body
muffler
acoustical
pressure gas
plate
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CN201920216394.2U
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Chinese (zh)
Inventor
陈锦国
徐越森
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Sichuan Guoneng Power Environmental Protection Equipment Manufacturing Co Ltd
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Sichuan Guoneng Power Environmental Protection Equipment Manufacturing Co Ltd
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Abstract

The utility model discloses a kind of air exhaust muffler devices of high-pressure gas pipelines valve, shell, the first muffler body, the second muffler body and third muffler body including inner hollow, the shell has air inlet and air outlet, first muffler body, second muffler body and the third muffler body are disposed in the housing, and high pressure gas passes sequentially through first muffler body, second muffler body and the third muffler body;The sound-absorptive object of different structure is combined together by the air exhaust muffler device of the utility model, improves high pressure gas noise reduction efficacy.

Description

A kind of air exhaust muffler device of high-pressure gas pipelines valve
Technical field
The utility model belongs to noise reduction sound-deadening technical field, and in particular to a kind of exhausting silencer of high-pressure gas pipelines valve Device.
Background technique
High pressure gas can generate strong turbulent flow noise, bring noise pollution in discharge process.Exhausting silencer equipment master It is divided into expenditure and pressure, micropore jet type etc., throttling pressure reduction type silencing equipment is by unexpected expansion type Throttle Principle, and realization disappears Sound noise reduction, but it is difficult to control high noisy, so that noise reduction effect is undesirable.The structure of existing silencing apparatus mostly be it is bulky, Structure is complicated, and use environment is restricted.
Utility model content
The purpose of this utility model is that: deficiency in the prior art is solved, a kind of high-pressure gas pipelines valve is provided Air exhaust muffler device.
To achieve the goals above, a kind of the technical solution adopted in the utility model are as follows: row of high-pressure gas pipelines valve Gas silencing apparatus, shell, the first muffler body, the second muffler body and third muffler body, the shell including inner hollow have Air inlet and air outlet, first muffler body, second muffler body and the third muffler body are disposed in the housing, high Body of calming the anger passes sequentially through first muffler body, second muffler body and the third muffler body;
First muffler body includes the cavity of multiple connections, the volume of multiple cavitys along the first preset direction successively Increase, is provided with multiple acoustical panels in each cavity, multiple acoustical panels are alternatively arranged along the second preset direction, institute It is parallel with the direction that high pressure gas flows to state the first preset direction, and first preset direction is perpendicular to the described second default side To;
Second muffler body includes multiple first acoustical plates and the second acoustical plate, and second muffler body has opposite set The first inner sidewall and the second inner sidewall set, first acoustical plate are set to first inside along the first preset direction interval Wall, second acoustical plate are set to second inner sidewall, first acoustical plate and institute along first preset direction interval State the second acoustical plate cross arrangement;
The third muffler body includes multiple along the spaced corrugated deflector of the second preset direction, the adjacent ripple Air flue is formed between deflector.
The corrugated deflector is equipped with multiple sound attenuation holes, and multiple sound attenuation hole rectangular arrays are arranged in the ripple and lead Flowing plate.
Further, the acoustical panel includes steel wire and the plate body with honeycomb hole, and the steel wire is coated on described The outer wall of plate body, the material of the plate body are polyurethane foam.
Further, second muffler body further includes sound absorption fiber, and the sound absorption fiber is filled in first sound absorption In gap between piece and second acoustical plate.
Further, the acoustical panel Heterogeneous Permutation of the adjacent cavity.
Further, the material of the sound absorption fiber is polyester cotton.
By adopting the above-described technical solution, the beneficial effects of the utility model are:
The air exhaust muffler device of the utility model includes the first muffler body, the second muffler body and third muffler body, high pressure gas Body passes sequentially through the first muffler body, the second muffler body and third muffler body;First muffler body includes the different chamber of the more a volume Body is both provided with acoustical panel in each cavity, after high pressure gas enters in the first sound-absorptive object, the body of high pressure gas Product successively becomes larger, and density becomes smaller, and combines acoustical panel, reduces noise, when gas enters in all the second muffler bodies, mutually hands over It pitches the first acoustical plate arranged and the second acoustical plate and sound wave is converted into interior energy, play the role of reducing noise, disappear by second Sound body, noise when exhaust further weaken;When gas enters in third muffler body, gas flows in multiple air flues, Corrugated deflector changes the flow direction of gas, absorbs the kinetic energy of gas, mitigation of gases flow velocity, while corrugated deflector also into one The absorption sound wave of step, reduce noise point.The sound-absorptive object of different structure is incorporated in one by the air exhaust muffler device of the utility model It rises, improves high pressure gas noise reduction efficacy.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the schematic cross-sectional view of the air exhaust muffler device of the utility model;
Fig. 2 is the schematic cross-sectional view in the direction A-A in Fig. 1;
Fig. 3 is the schematic front view of the corrugated deflector of the air exhaust muffler device of the utility model;
Fig. 4 is the schematic cross-sectional view of the acoustical panel of the air exhaust muffler device of the utility model;
Appended drawing reference: 1- shell, the first muffler body of 2-, 21- cavity, 22- acoustical panel, 221- steel wire, 222- plate body, 3- Second muffler body, the first acoustical plate of 31-, the second acoustical plate of 32-, 33- sound absorption fiber, 4- third muffler body, 41- ripple water conservancy diversion Plate, 411- sound attenuation hole.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all Belong to the range of the utility model protection.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
Term " first ", " second ", " third " etc. are only used for distinguishing description, are not understood to indicate or imply relatively heavy The property wanted.
The terms such as term "horizontal", "vertical", " pendency " are not offered as requiring component abswolute level or pendency, but can be with It is slightly tilted.It is not to indicate that the structure is had to if "horizontal" only refers to that its direction is more horizontal with respect to for "vertical" Fully horizontally, it but can be slightly tilted.
In conjunction with attached drawing 1-4, the embodiments of the present invention is illustrated;
A kind of air exhaust muffler device of high-pressure gas pipelines valve, shell 1, the first muffler body 2 including inner hollow, Two muffler bodies 3 and third muffler body 4, the shell 1 have air inlet and air outlet, and first muffler body 2, described second disappear Sound body 3 and the third muffler body 4 are set in the shell 1, and high pressure gas enters in the first muffler body 2 from air inlet, then By the second muffler body 3, third muffler body 4 is reached, is finally discharged from gas outlet;
In the present embodiment, first muffler body 2 includes 21,3 cavitys being sequentially communicated 21 of cavity of 3 connections Volume is sequentially increased along the first preset direction, and as shown in Fig. 1, the radius close to the cavity 21 of air inlet is minimum, with high-voltage tube Radius it is identical;Multiple acoustical panels 22 are provided in each cavity 21, multiple acoustical panels 22 are default along second Direction is alternatively arranged, and has certain interval between adjacent acoustical panel 22, acoustical panel 22 and adjacent chamber in a cavity 21 The gap alignment that acoustical panel 22 in body 21 is formed;It should be noted, the direction of first preset direction and high pressure gas flowing In parallel, first preset direction is perpendicular to second preset direction;
Second muffler body 3 includes multiple first acoustical plates 31 and the second acoustical plate 32, and second muffler body 3 has The first inner sidewall and the second inner sidewall being oppositely arranged, first acoustical plate 31 are set to described the along the first preset direction interval One inner sidewall, second acoustical plate 32 are set to second inner sidewall along first preset direction interval, and described first inhales Sound piece 31 and 32 cross arrangement of the second acoustical plate;First acoustical plate 31 arranged in a crossed manner and the second acoustical plate 32 form S type Runner, extend other times contacted with the second muffler body 3, improve noise reduction efficacy.
The third muffler body 4 includes multiple along the spaced corrugated deflector 41 of the second preset direction, adjacent described Air flue is formed between corrugated deflector 41, the corrugated deflector 41 is equipped with multiple sound attenuation holes 411, multiple sound attenuation holes 411 Rectangular array is arranged in the corrugated deflector 41.
In exhaust, gas enters in the first muffler body 2 from air inlet, in the first muffler body 2 that radius successively becomes larger In, the pressure of high pressure gas is released, and the density of gas reduces, and under the action of acoustical panel 22, tentatively reduction noise Point;Gas is passing sequentially through the second muffler body 3 and third muffler body 4, noise point decline step by step.
More preferably, the acoustical panel 22 includes steel wire 221 and the plate body 222 with honeycomb hole, the steel wire 221 It is coated on the outer wall of the plate body 222, the material of the plate body 222 is polyurethane foam, and cavernous polyurethane foam has The good effect for absorbing sound wave, the aperture in polyurethane foam convert sound waves into thermal energy, the energy of noise are reduced, to drop Low noise cent.
More preferably, second muffler body 3 further includes sound absorption fiber 33, and the sound absorption fiber 33 is filled in described first In gap between acoustical plate 31 and second acoustical plate 32, the material of the sound absorption fiber 33 is polyester cotton, polyurethane cotton Sound wave can be effectively absorbed, so that the erasure effect of the second muffler body 3 is more preferable, further improves noise reduction effect.

Claims (6)

1. a kind of air exhaust muffler device of high-pressure gas pipelines valve, it is characterised in that: shell (1) including inner hollow, One muffler body (2), the second muffler body (3) and third muffler body (4), the shell (1) have an air inlet and air outlet, and described the One muffler body (2), second muffler body (3) and the third muffler body (4) be set to the shell (1) in, high pressure gas according to It is secondary to pass through first muffler body (2), second muffler body (3) and the third muffler body (4);
First muffler body (2) includes the cavity (21) of multiple connections, and the volume of multiple cavitys (21) is default along first Direction is sequentially increased, and is provided with multiple acoustical panels (22) in each cavity (21), and multiple acoustical panels (22) are along the Two preset directions are alternatively arranged, and first preset direction is parallel with the direction that high pressure gas flows, second preset direction Perpendicular to first preset direction;
Second muffler body (3) includes multiple first acoustical plates (31) and the second acoustical plate (32), second muffler body (3) With the first inner sidewall and the second inner sidewall being oppositely arranged, first acoustical plate (31) is set to along the first preset direction interval First inner sidewall, second acoustical plate (32) are set to second inner sidewall, institute along first preset direction interval State the first acoustical plate (31) and second acoustical plate (32) cross arrangement;
The third muffler body (4) includes multiple along the spaced corrugated deflector of the second preset direction (41), adjacent Air flue is formed between the corrugated deflector (41).
2. the air exhaust muffler device of high-pressure gas pipelines valve according to claim 1, it is characterised in that: the ripple is led Flowing plate (41) is equipped with multiple sound attenuation holes (411), and multiple sound attenuation hole (411) rectangular arrays are arranged in the corrugated deflector (41)。
3. the air exhaust muffler device of high-pressure gas pipelines valve according to claim 2, it is characterised in that: the acoustical panel It (22) include steel wire (221) and the plate body (222) with honeycomb hole, the steel wire (221) is coated on the plate body (222) Outer wall, the material of the plate body (222) is polyurethane foam.
4. the air exhaust muffler device of high-pressure gas pipelines valve according to claim 1, it is characterised in that: described second disappears Sound body (3) further includes sound absorption fiber (33), and the sound absorption fiber (33) is filled in first acoustical plate (31) and described second In gap between acoustical plate (32).
5. the air exhaust muffler device of high-pressure gas pipelines valve according to claim 1, it is characterised in that: the adjacent chamber The acoustical panel (22) Heterogeneous Permutation of body (21).
6. the air exhaust muffler device of high-pressure gas pipelines valve according to claim 4, it is characterised in that: the sound absorption is fine The material for tieing up (33) is polyester cotton.
CN201920216394.2U 2019-02-20 2019-02-20 A kind of air exhaust muffler device of high-pressure gas pipelines valve Active CN209688334U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920216394.2U CN209688334U (en) 2019-02-20 2019-02-20 A kind of air exhaust muffler device of high-pressure gas pipelines valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920216394.2U CN209688334U (en) 2019-02-20 2019-02-20 A kind of air exhaust muffler device of high-pressure gas pipelines valve

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114074753A (en) * 2020-08-19 2022-02-22 中国航发商用航空发动机有限责任公司 Honeycomb body, method for producing the same, honeycomb device, acoustic liner, and aircraft engine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114074753A (en) * 2020-08-19 2022-02-22 中国航发商用航空发动机有限责任公司 Honeycomb body, method for producing the same, honeycomb device, acoustic liner, and aircraft engine

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Address after: No. 1901, building 3, No. 8, Dawan East Road, Qingbaijiang District, Chengdu, Sichuan 610300

Patentee after: Sichuan Guoneng power environmental protection equipment manufacturing Co.,Ltd.

Address before: No. 13-402, group 4-8, Jinsha village, Supo Township, Qingyang District, Chengdu, Sichuan 610031

Patentee before: Sichuan Guoneng power environmental protection equipment manufacturing Co.,Ltd.