CN105351666A - Pipeline sound eliminator - Google Patents
Pipeline sound eliminator Download PDFInfo
- Publication number
- CN105351666A CN105351666A CN201510811193.3A CN201510811193A CN105351666A CN 105351666 A CN105351666 A CN 105351666A CN 201510811193 A CN201510811193 A CN 201510811193A CN 105351666 A CN105351666 A CN 105351666A
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- CN
- China
- Prior art keywords
- section
- noise elimination
- pipeline
- silencing apparatus
- silencing
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/02—Energy absorbers; Noise absorbers
- F16L55/033—Noise absorbers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/02—Energy absorbers; Noise absorbers
- F16L55/027—Throttle passages
- F16L55/02709—Throttle passages in the form of perforated plates
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pipe Accessories (AREA)
Abstract
The invention discloses a pipeline sound eliminator. The pipeline sound eliminator comprises a noise elimination section, and the noise elimination section (1) comprises an inner side noise elimination layer (12) and an outer side noise elimination layer (11); the inner side noise elimination layer (12) is used for liquid breakover, and the inner side noise elimination layer (12) is sleeved with the outer side noise elimination layer (11); and a vacuum gap cavity is formed between the inner wall of the outer side noise elimination layer (11) and the outer wall of the inner side noise elimination layer (12). According to the pipeline sound eliminator, the noise elimination section is arranged to be of a double-layer structure composed of the inner side noise elimination layer and the outer side noise elimination layer, and the vacuum gap cavity is formed between the inner side noise elimination layer and the outer side noise elimination layer in the manners of vacuumizing and the like. Fluid flows in the inner side noise elimination layer, and fluid flowing noise is transmitted to the outer side noise elimination layer and passes through the vacuum gap cavity; and due to the fact that the vacuum gap cavity can block noise transmission, the noise elimination effect can be effectively improved.
Description
Technical field
The present invention relates to silencing equipment technical field, particularly a kind of pipeline silencing apparatus.
Background technique
At present, fluid flows in pipeline, inevitably makes a noise.Not only therefore, fluid is can be used for circulate but also the pipeline silencing apparatus that can eliminate the noise more and more is connected in series with in pipeline and uses.
Pipeline silencing apparatus adopts solid wall mostly, is provided with snap-on in it; Or bundle chamber resonance exhaust silencer; Also has the isostructural silencing apparatus of muffling unit that guide plate combines with sound absorption plate.But because pipeline silencing apparatus is solid wall, fluid directly contacts with this solid wall, and noise outwards transmits along the entity part of solid wall, makes its erasure effect not good.
Therefore, how improving erasure effect, is the art personnel problem demanding prompt solutions.
Summary of the invention
In view of this, the invention provides a kind of pipeline silencing apparatus, to improve erasure effect.
For achieving the above object, the invention provides following technological scheme:
As can be seen from above-mentioned technological scheme, pipeline silencing apparatus provided by the invention, comprises muffler section, and described muffler section comprises:
For the inner side silencing plate of channeling fluid;
Be sheathed on the outside silencing plate outside the silencing plate of described inner side, between the inwall of described outside silencing plate and the outer wall of described internal layer noise elimination wall, form vacuum gap chamber.
Preferably, in above-mentioned pipeline silencing apparatus, the two ends of described muffler section are connected to inspiratory limb and exhaust section;
The diameter of described muffler section is greater than the diameter of described inspiratory limb and described exhaust section.
Preferably, in above-mentioned pipeline silencing apparatus, the diameter of described inspiratory limb is identical with the diameter of described exhaust section.
Preferably, in above-mentioned pipeline silencing apparatus, between described muffler section and described inspiratory limb and described exhaust section, be provided with taper connection section.
Preferably, in above-mentioned pipeline silencing apparatus, described inspiratory limb has inner side gettering layer and outside gettering layer, and described exhaust section has internal layer exhaust level and outer exhaust level;
Described inner side gettering layer and described internal layer exhaust level are connected with described inner side silencing plate, and described outside gettering layer and described outer exhaust level are connected with described outside silencing plate.
Preferably, in above-mentioned pipeline silencing apparatus, described inner side gettering layer and described outside gettering layer are away from the one side closed connection of described muffler section;
Described inboard row gas-bearing formation and described outboard row gas-bearing formation are away from the one side closed connection of described muffler section.
Preferably, in above-mentioned pipeline silencing apparatus, in the silencing plate of described inner side, be provided with noise elimination inner panel, described noise elimination inner panel is provided with multiple through hole;
The axis of described through hole is along the axis arranged of described muffler section.
Preferably, in above-mentioned pipeline silencing apparatus, the quantity of described noise elimination inner panel is that multiple and along described muffler section axial direction is evenly distributed.
Preferably, in above-mentioned pipeline silencing apparatus, in multiple described through hole, has the through hole of two kinds of diameters at least.
Preferably, in above-mentioned pipeline silencing apparatus, the outward edge of described noise elimination inner panel and the inner side of described inner side silencing plate are welded to connect.
Pipeline silencing apparatus provided by the invention, is set to the double layer construction be made up of inner side silencing plate and outside silencing plate by muffler section, and, form vacuum gap chamber by the mode such as vacuumizing between inner side silencing plate and outside silencing plate.Fluid is eliminated the noise in inner side intrastratal flow, fluid flowing noise laterally in the process transmitted of silencing plate through vacuum gap chamber.Because vacuum gap chamber can stop noise transmission, effectively improve erasure effect.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of the pipeline silencing apparatus that Fig. 1 provides for the embodiment of the present invention;
Fig. 2 is the cut-away illustration along A-A face in Fig. 1;
Fig. 3 is the close-up schematic view of part A in Fig. 2;
The structural representation of the noise elimination inner panel that Fig. 4 provides for the embodiment of the present invention.
Embodiment
The invention discloses a kind of pipeline silencing apparatus, to improve erasure effect.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technological scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Please refer to Fig. 1 and Fig. 2, is the structural representation of the pipeline silencing apparatus that the embodiment of the present invention provides; Fig. 2 is the cut-away illustration along A-A face in Fig. 1.
The pipeline silencing apparatus that the embodiment of the present invention provides, comprises muffler section 1, and muffler section 1 comprises inner side silencing plate 12 and outside silencing plate 11; Inner side silencing plate 12 is for channeling fluid, and outside silencing plate 11 is sheathed on outside the silencing plate 12 of inner side, forms vacuum gap chamber between the inwall of outside silencing plate 11 and the outer wall of internal layer noise elimination wall 12.
The pipeline silencing apparatus that the embodiment of the present invention provides, is set to the double layer construction be made up of inner side silencing plate 12 and outside silencing plate 11 by muffler section 1, and, form vacuum gap chamber by the mode such as vacuumizing between inner side silencing plate 12 and outside silencing plate 11.Fluid flows in inner side silencing plate 12, through vacuum gap chamber in the process of noise silencing plate 11 transmission laterally of fluid flowing.Because vacuum gap chamber can stop noise transmission, effectively improve erasure effect.
The two ends of muffler section 1 are connected to inspiratory limb 2 and exhaust section 3; The end entering pipeline is connected with inspiratory limb 2, outflow conduit is connected with exhaust section 3.In the present embodiment, the diameter of muffler section 1 is greater than the diameter of inspiratory limb 2 and exhaust section 3.By above-mentioned setting, make the fluid down diffusion flowing into muffler section 1, effectively improve the currency of unit fluid in muffler section 1, further increase noise reduction.
Connect for the ease of pipeline, make the constant flow rate of outflow and feed line silencing apparatus, the diameter of inspiratory limb 2 is identical with the diameter of exhaust section 3.
Diameter due to muffler section 1 is greater than the diameter of inspiratory limb 2 and exhaust section 3, inevitably produces the change of flow velocity and pressure at the connection part being flowed into muffler section 1 and muffler section 1 by inspiratory limb 2 and flow into exhaust section 3.In order to be reduced in the noise of above-mentioned connection part, between muffler section 1 and inspiratory limb 2 and exhaust section 3, be provided with taper connection section.Be understandable that, the diameter of muffler section 1 is greater than the diameter of inspiratory limb 2, and therefore, the larger diameter end being connected to taper connection section is therebetween connected with muffler section 1, and its smaller diameter end is connected with inspiratory limb 2; The diameter of muffler section 1 is greater than the diameter of exhaust section 3, and therefore, the larger diameter end being connected to taper connection section is therebetween connected with muffler section 1, and its smaller diameter end is connected with exhaust section 3.
The pipeline silencing apparatus that the embodiment of the present invention provides, inspiratory limb 2 has inner side gettering layer and outside gettering layer, and exhaust section 3 has internal layer exhaust level and outer exhaust level; Inner side gettering layer and internal layer exhaust level are connected with inner side silencing plate 12, and outside gettering layer and outer exhaust level are connected with outside silencing plate 11.Because muffler section 1 is different from the diameter of inspiratory limb 2 and exhaust section 3, at reducing place (link position), can there is the change of flow velocity and pressure in fluid, and noise also can be larger.By above-mentioned setting, make inspiratory limb 2 and exhaust section 3 also all be set to double layer construction, further increase noise reduction.
As shown in Figure 3, be provided with between muffler section 1 and inspiratory limb 2 and exhaust section 3 in the embodiment of taper connection section, preferably taper connection section is also set to double layer construction, make inner side gettering layer, the internal layer connecting inspiratory limb 2 and the taper connection section of muffler section 1, inner side silencing plate 12, be connected the internal layer of exhaust section 3 and the taper connection section of muffler section 1 and internal layer exhaust level is connected successively, the internal layer of formation pipeline silencing apparatus; Outside gettering layer, the skin connecting inspiratory limb 2 and the taper connection section of muffler section 1, outside silencing plate 11, the skin being connected exhaust section 3 and the taper connection section of muffler section 1 and outer exhaust level are connected successively, form the skin of pipeline silencing apparatus, effectively ensure that Noise Reduction.
Further, inner side gettering layer and outside gettering layer are away from the one side closed connection of muffler section 1; Inboard row gas-bearing formation and outboard row gas-bearing formation are away from the one side closed connection of muffler section 1.By above-mentioned setting, make to form vacuum gap chamber between the inwall of outside silencing plate 11 and the outer wall of internal layer noise elimination wall 12 to be communicated with the spatia between the spatia between inner side gettering layer and outside gettering layer and inboard row gas-bearing formation and outboard row gas-bearing formation, operate by the mode such as vacuumizing, make above-mentioned connection cavity be vacuum structure, further increase noise reduction.
Certainly, also can only make to form vacuum gap chamber between the inwall of outside silencing plate 11 and the outer wall of internal layer noise elimination wall 12, the gap formed between the double layer construction of inspiratory limb 2 and exhaust section 3 does not vacuumize process, can reach noise reduction equally.
As shown in Figure 4, in the pipeline silencing apparatus that the embodiment of the present invention provides, in inner side silencing plate 12, be provided with noise elimination inner panel 4, noise elimination inner panel 4 be provided with multiple through hole 41; The axis of through hole 41 is along the axis arranged of muffler section 1.By arranging the through hole 41 along the axis arranged of muffler section 1, make inner side silencing plate 12 in fluid under the guiding of through hole 41 along the axial flow of muffler section 1, decrease the impact of the inwall of fluid and inner side silencing plate 12, reduce further the noise reduction impacting inwall.Preferably, noise elimination inner panel 4 is perpendicular to the axis arranged of muffler section 1.
Further, the quantity of noise elimination inner panel 4 is that multiple and along muffler section 1 axial direction is evenly distributed.By arranging multilayer noise elimination inner panel 4, serving multilayer flow-disturbing effect, effectively improving fluid flow direction, decrease the noise of fluid flowing.Further, noise elimination inner panel 4 is evenly distributed in inner side silencing plate 12 along the axial direction of muffler section 1, so that the effect that the two ends of pipeline silencing apparatus are installed arbitrarily is identical, facilitates the installation of pipeline silencing apparatus.
Further, the through hole of two kinds of diameters is had in multiple through hole 41 at least.That is, have two or more through-hole type in multiple through hole 41, the aperture of often kind of through hole is different.By arranging the through hole of different pore size, further increasing flow-disturbing effect, effectively reducing the noise of fluid flowing.
The outward edge of noise elimination inner panel 4 and the inner side of inner side silencing plate 12 are welded to connect.By above-mentioned setting, improve the sealability between the outward edge of noise elimination inner panel 4 and the inner side of inner side silencing plate 12, the equal via through holes 41 of fluid of circulation in inner side silencing plate 12 is flow through.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a pipeline silencing apparatus, comprises muffler section (1), it is characterized in that, described muffler section (1) comprising:
For the inner side silencing plate (12) of channeling fluid;
Be sheathed on the outside silencing plate (11) in outside, described inner side silencing plate (12), between the inwall in described outside silencing plate (11) and the outer wall of described internal layer noise elimination wall (12), form vacuum gap chamber.
2. pipeline silencing apparatus as claimed in claim 1, it is characterized in that, the two ends of described muffler section (1) are connected to inspiratory limb (2) and exhaust section (3);
The diameter of described muffler section (1) is greater than the diameter of described inspiratory limb (2) and described exhaust section (3).
3. pipeline silencing apparatus as claimed in claim 2, it is characterized in that, the diameter of described inspiratory limb (2) is identical with the diameter of described exhaust section (3).
4. pipeline silencing apparatus as claimed in claim 2, is characterized in that, is provided with taper connection section between described muffler section (1) and described inspiratory limb (2) and described exhaust section (3).
5. pipeline silencing apparatus as claimed in claim 2, is characterized in that, described inspiratory limb (2) has inner side gettering layer and outside gettering layer, and described exhaust section (3) has internal layer exhaust level and outer exhaust level;
Described inner side gettering layer and described internal layer exhaust level are connected with described inner side silencing plate (12), and described outside gettering layer and described outer exhaust level are connected with described outside silencing plate (11).
6. pipeline silencing apparatus as claimed in claim 5, is characterized in that, described inner side gettering layer and described outside gettering layer are away from the one side closed connection of described muffler section (1);
Described inboard row gas-bearing formation and described outboard row gas-bearing formation are away from the one side closed connection of described muffler section (1).
7. the pipeline silencing apparatus as described in any one of claim 1-6, it is characterized in that, be provided with noise elimination inner panel (4) in described inner side silencing plate (12), described noise elimination inner panel (4) is provided with multiple through hole (41);
The axis of described through hole (41) is along the axis arranged of described muffler section (1).
8. pipeline silencing apparatus as claimed in claim 7, it is characterized in that, the quantity of described noise elimination inner panel (4) is that multiple and along described muffler section (1) axial direction is evenly distributed.
9. pipeline silencing apparatus as claimed in claim 7, is characterized in that having the through hole of two kinds of diameters in multiple described through hole (41) at least.
10. pipeline silencing apparatus as claimed in claim 7, it is characterized in that, the outward edge of described noise elimination inner panel (4) and the inner side of described inner side silencing plate (12) are welded to connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510811193.3A CN105351666A (en) | 2015-11-19 | 2015-11-19 | Pipeline sound eliminator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510811193.3A CN105351666A (en) | 2015-11-19 | 2015-11-19 | Pipeline sound eliminator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105351666A true CN105351666A (en) | 2016-02-24 |
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ID=55327694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510811193.3A Pending CN105351666A (en) | 2015-11-19 | 2015-11-19 | Pipeline sound eliminator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105351666A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109519646A (en) * | 2018-12-05 | 2019-03-26 | 上海市安装工程集团有限公司 | Apply to the silencer and its manufacturing method of jet chimney gas purging |
| WO2023246444A1 (en) * | 2022-06-20 | 2023-12-28 | 浙江盾安人工环境股份有限公司 | Silencing assembly, expansion valve, and air conditioning system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203704000U (en) * | 2013-12-10 | 2014-07-09 | 天津一能不锈钢制品有限公司 | Chimney silencer |
| CN204026026U (en) * | 2014-06-09 | 2014-12-17 | 嵊州市新起点焊接科技有限公司 | A kind of baffler |
| CN204554212U (en) * | 2015-03-06 | 2015-08-12 | 浙江工业职业技术学院 | A kind of explosion-proof noise elimination waste pipe |
| CN205101768U (en) * | 2015-10-30 | 2016-03-23 | 珠海格力电器股份有限公司 | Silencer and pipe -line system |
| CN205136940U (en) * | 2015-11-19 | 2016-04-06 | 珠海格力电器股份有限公司 | Pipeline silencer |
-
2015
- 2015-11-19 CN CN201510811193.3A patent/CN105351666A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203704000U (en) * | 2013-12-10 | 2014-07-09 | 天津一能不锈钢制品有限公司 | Chimney silencer |
| CN204026026U (en) * | 2014-06-09 | 2014-12-17 | 嵊州市新起点焊接科技有限公司 | A kind of baffler |
| CN204554212U (en) * | 2015-03-06 | 2015-08-12 | 浙江工业职业技术学院 | A kind of explosion-proof noise elimination waste pipe |
| CN205101768U (en) * | 2015-10-30 | 2016-03-23 | 珠海格力电器股份有限公司 | Silencer and pipe -line system |
| CN205136940U (en) * | 2015-11-19 | 2016-04-06 | 珠海格力电器股份有限公司 | Pipeline silencer |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109519646A (en) * | 2018-12-05 | 2019-03-26 | 上海市安装工程集团有限公司 | Apply to the silencer and its manufacturing method of jet chimney gas purging |
| WO2023246444A1 (en) * | 2022-06-20 | 2023-12-28 | 浙江盾安人工环境股份有限公司 | Silencing assembly, expansion valve, and air conditioning system |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160224 |
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| RJ01 | Rejection of invention patent application after publication |