CN110415672A - A kind of decompression silencer - Google Patents
A kind of decompression silencer Download PDFInfo
- Publication number
- CN110415672A CN110415672A CN201910563138.5A CN201910563138A CN110415672A CN 110415672 A CN110415672 A CN 110415672A CN 201910563138 A CN201910563138 A CN 201910563138A CN 110415672 A CN110415672 A CN 110415672A
- Authority
- CN
- China
- Prior art keywords
- shell
- noise reduction
- reduction layer
- decompression
- hush pipe
- Prior art date
- 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
Links
- 230000006837 decompression Effects 0.000 title claims abstract description 20
- 230000003584 silencer Effects 0.000 title claims abstract description 18
- 239000000463 material Substances 0.000 claims abstract description 17
- 229920000742 Cotton Polymers 0.000 claims description 6
- 239000003365 glass fiber Substances 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 229920005549 butyl rubber Polymers 0.000 claims description 3
- 229920001971 elastomer Polymers 0.000 claims description 3
- 230000000644 propagated effect Effects 0.000 claims description 3
- BGOFCVIGEYGEOF-UJPOAAIJSA-N helicin Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1OC1=CC=CC=C1C=O BGOFCVIGEYGEOF-UJPOAAIJSA-N 0.000 claims description 2
- 239000010410 layer Substances 0.000 claims 17
- 239000003292 glue Substances 0.000 claims 1
- 239000011229 interlayer Substances 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 4
- 238000013016 damping Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229920002978 Vinylon Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
- B32B17/063—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of rubber
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B25/00—Layered products comprising a layer of natural or synthetic rubber
- B32B25/10—Layered products comprising a layer of natural or synthetic rubber next to a fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B25/00—Layered products comprising a layer of natural or synthetic rubber
- B32B25/18—Layered products comprising a layer of natural or synthetic rubber comprising butyl or halobutyl rubber
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/161—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general in systems with fluid flow
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/162—Selection of materials
- G10K11/168—Plural layers of different materials, e.g. sandwiches
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2250/00—Layers arrangement
- B32B2250/02—2 layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2255/00—Coating on the layer surface
- B32B2255/02—Coating on the layer surface on fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/10—Inorganic fibres
- B32B2262/101—Glass fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/10—Properties of the layers or laminate having particular acoustical properties
- B32B2307/102—Insulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/306—Resistant to heat
- B32B2307/3065—Flame resistant or retardant, fire resistant or retardant
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/724—Permeability to gases, adsorption
- B32B2307/7242—Non-permeable
- B32B2307/7246—Water vapor barrier
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/726—Permeability to liquids, absorption
- B32B2307/7265—Non-permeable
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Chemical & Material Sciences (AREA)
- Aviation & Aerospace Engineering (AREA)
- Combustion & Propulsion (AREA)
- Fluid Mechanics (AREA)
- Exhaust Silencers (AREA)
Abstract
The invention discloses a kind of decompression silencers, including shell, air inlet, gas outlet and device gate, the outer sheath of the shell is equipped with lantern ring, the bottom of the lantern ring is fixed with connecting rod, the air inlet is fixed on the upper corner of shell, the unhurried current box is internally provided with connecting shaft, and the avris of connecting shaft is fixed with fixed plate, demarcation plate is provided with below the connecting shaft, the bottom of the unhurried current box is connected with one end of hush pipe, and the avris of hush pipe is provided with connecting tube, the gas outlet is fixed on the lower corner of shell, and the inner wall of shell is pasted with the first noise reduction layer, the avris of first noise reduction layer is provided with the second noise reduction layer, the outer wall of the shell is coated with third noise reduction layer.The decompression silencer can be changed the mounting means of muffler according to the demand of installation, and be able to ascend the sound-damping qualities of muffler by a variety of different quieter materials, avoid noise from not being eliminated in the device and thoroughly just propagate out.
Description
Technical field
The present invention relates to muffler technical field, specially a kind of decompression silencer.
Background technique
Silencer is a kind of device reduced or prevention sound dispersion still allows air-flow to pass through, and muffler is widely applied
In fields such as electric power, petroleum, chemical industry, food, and muffler has the good characteristics such as small and light, simple for structure, but existing
Some decompression mufflers have the disadvantage in that in use
Inflexible to the installation of muffler changeable, the effect that the quieter material in existing muffler eliminates noise in the market is not
It reaches, causes what noise was eliminated in the device not enough thoroughly just to propagate out, in view of the above-mentioned problems, being badly in need of in original decompression noise reduction
Innovative design is carried out on the basis of device.
Summary of the invention
The purpose of the present invention is to provide a kind of decompression silencers, to solve above-mentioned background technique proposition to the peace of muffler
Fill inflexible changeable, the effect that the quieter material in existing muffler eliminates noise in the market is not good enough, and noise is caused to exist
Not thorough enough the problem of just propagating out being eliminated in device.
To achieve the above object, the invention provides the following technical scheme: a kind of decompression silencer, including shell, air inlet,
The outer sheath of gas outlet and device gate, the shell is equipped with lantern ring, and ball is provided on the inside of lantern ring, the bottom of the lantern ring
It is fixed with connecting rod, and the bottom of connecting rod is connected with support column, the air inlet is fixed on the upper corner of shell, and air inlet
Unhurried current box is installed, the unhurried current box is internally provided with connecting shaft, and the avris of connecting shaft is fixed in the shell below mouthful
Fixed plate is provided with demarcation plate below the connecting shaft, and is reserved with through-hole on demarcation plate, the bottom of the unhurried current box and disappears
One end of sound tube is connected, and the avris of hush pipe is provided with connecting tube, and the gas outlet is fixed on the lower corner of shell, and outer
The inner wall of shell is pasted with the first noise reduction layer, and the avris of first noise reduction layer is provided with the second noise reduction layer, the outer wall of the shell
It is coated with third noise reduction layer, and the avris of shell is equipped with device gate.
Preferably, the ball is angularly distributed in lantern ring, and lantern ring and shell form rotational structure, and lantern ring and
Connecting rod is welding, while connecting rod and support column are to be threadedly coupled.
Preferably, the through-hole is uniformly distributed on demarcation plate, and demarcation plate is in the underface of connecting shaft, and connecting shaft
It is that bearing connects with unhurried current box.
Preferably, the hush pipe is arranged in the shape of a spiral inside the shell, and the edge of hush pipe and the inner wall of shell are tight
Closely connected conjunction.
Preferably, one end of the connecting tube extends to the inside of hush pipe, and the other end of connecting tube and the first noise reduction
Layer is connected.
Preferably, first noise reduction layer, the second noise reduction layer and third noise reduction layer are sequentially distributed from outside to inside on the shell,
And first noise reduction layer be butyl rubber material, and the second noise reduction layer be glass fibre cotton material, while third noise reduction layer be inhale
Sound coating.
Compared with prior art, the beneficial effects of the present invention are: the decompression silencer, can offset according to the demand of installation
The mounting means of sound device is changed, and the sound-damping qualities of muffler are able to ascend by a variety of different quieter materials, is avoided
Noise is not eliminated in the device thoroughly just to be propagated out；
1. gas after entering device inside, is able to drive fixed plate and is rotated by connecting shaft, and adds equally distributed through-hole,
There is diffusing effect to the gas of entrance, and then guarantee that air-flow can uniformly enter inside hush pipe；
2. hush pipe is arranged in the shape of a spiral, the speed of air-flow discharge can be slowed down, and then guarantee that noise obtains entirely in portion in the device
The elimination in face, and hush pipe avris connects multiple connecting tubes, can the noise to different location in hush pipe carry out auxiliary and disappear
Sound.
Detailed description of the invention
Fig. 1 is that the present invention just cuts open structural schematic diagram；
Fig. 2 is that present invention unhurried current box just cuts open structural schematic diagram；
Fig. 3 is positive structure diagram of the present invention；
Fig. 4 is side structure schematic view of the present invention.
In figure: 1, shell；2, lantern ring；3, ball；4, connecting rod；5, support column；6, air inlet；7, flow slowly box；8, it connects
Axis；9, fixed plate；10, demarcation plate；11, through-hole；12, hush pipe；13, connecting tube；14, gas outlet；15, the first noise reduction layer；16,
Second noise reduction layer；17, third noise reduction layer；18, device gate.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-4 is please referred to, the present invention provides a kind of technical solution: a kind of decompression silencer, including shell 1, lantern ring 2, rolling
Pearl 3, connecting rod 4, support column 5, air inlet 6, unhurried current box 7, connecting shaft 8, fixed plate 9, demarcation plate 10, through-hole 11, hush pipe 12,
Connecting tube 13, gas outlet 14, the first noise reduction layer 15, the second noise reduction layer 16, third noise reduction layer 17 and device gate 18, shell 1 it is outer
Side is arranged with lantern ring 2, and the inside of lantern ring 2 is provided with ball 3, and the bottom of lantern ring 2 is fixed with connecting rod 4, and the bottom of connecting rod 4
Portion is connected with support column 5, and air inlet 6 is fixed on the upper corner of shell 1, and is equipped with unhurried current in the shell 1 of 6 lower section of air inlet
Box 7, unhurried current box 7 is internally provided with connecting shaft 8, and the avris of connecting shaft 8 is fixed with fixed plate 9, the lower section setting of connecting shaft 8
There is demarcation plate 10, and be reserved with through-hole 11 on demarcation plate 10, the bottom of unhurried current box 7 is connected with one end of hush pipe 12, and noise reduction
The avris of pipe 12 is provided with connecting tube 13, and gas outlet 14 is fixed on the lower corner of shell 1, and the inner wall of shell 1 is pasted with
One noise reduction layer 15, the avris of the first noise reduction layer 15 are provided with the second noise reduction layer 16, and the outer wall of shell 1 is coated with third noise reduction layer
17, and the avris of shell 1 is equipped with device gate 18；
Ball 3 is angularly distributed in lantern ring 2, and lantern ring 2 and shell 1 form rotational structure, and lantern ring 2 and connecting rod 4 are
Welding, while connecting rod 4 and support column 5 are to be threadedly coupled, and by that will be that the support column 5 being threadedly coupled is dismantled with connecting rod 4, be led to
It crosses ball 3 shell 1 is gone into different orientation in 2 inward turning of lantern ring and device is installed；
Through-hole 11 is uniformly distributed on demarcation plate 10, and demarcation plate 10 is in the underface of connecting shaft 8, and connecting shaft 8 and unhurried current
Box 7 is that bearing connection drives connecting shaft 8 in the inner rotation of unhurried current box 7, and add when air-flow generates impulse force to fixed plate 9
Equally distributed through-hole 11 on demarcation plate 10, has the function of diffusing to the air-flow of entrance, can guarantee that air-flow uniformly enters
Inside hush pipe 12；
Hush pipe 12 is arranged in the shape of a spiral in shell 1, and the inner wall of the edge of hush pipe 12 and shell 1 fits closely, even
One end of adapter tube 13 extends to the inside of hush pipe 12, and the other end of connecting tube 13 and the first noise reduction layer 15 are connected, and can subtract
The speed of slow air-flow discharge, and then realize and thoroughly noise is eliminated comprehensively, connecting tube 13 can be to positions different in hush pipe 12
The noise set carries out auxiliary noise reduction；
First noise reduction layer 15, the second noise reduction layer 16 and third noise reduction layer 17 are sequentially distributed from outside to inside on shell 1, and first disappears
Sound-absorbing layer 15 is butyl rubber material, and the second noise reduction layer 16 is glass fibre cotton material, while third noise reduction layer 17 is sound-absorbing
Coating determines base rubber material in addition to air inlet 6 and then can guarantee the leakproofness inside shell 1, glass fibers other than gas outlet 14
Vinylon and cotton blend material have noise reduction while can also fire-proof and damp-proof, be able to ascend disappearing for muffler by a variety of different quieter materials
Volume.
Working principle: when using the decompression silencer, as shown in Figs. 1-2, air-flow enters shell by air inlet 6 first
1 inside, such as Fig. 2 drive connecting shaft 8 in the inner rotation of unhurried current box 7, and add when air-flow generates impulse force to fixed plate 9
Equally distributed through-hole 11 on demarcation plate 10 has the function of diffusing to the air-flow of entrance, can guarantee that air-flow is uniform in this way
Into inside hush pipe 12, then air-flow is propagated in spiral helicine hush pipe 12, can slow down the speed of its discharge, such energy
It is enough that thoroughly noise is eliminated comprehensively, and the avris of hush pipe 12 is provided with multiple connecting tubes 13 for extending to its inside, energy
It is enough that auxiliary noise reduction is carried out to the noise of different location in hush pipe 12, and then promote the efficiency of noise reduction；
As shown in figures 1 and 3, shell 1 is disposed with the first noise reduction layer 15, the second noise reduction layer 16 and third noise reduction from outside to inside
Layer 17, the first noise reduction layer 15 are to determine base rubber material, have good sound deadening, and in addition to air inlet 6 and then gas outlet
It can guarantee that the leakproofness inside shell 1, the second noise reduction layer 16 are glass fibre cotton material except 14, the folder of shell 1 is set
In layer, while there is noise reduction can also fire-proof and damp-proof, such as Fig. 3, third noise reduction layer 17 is sound deadening coating, is uniformly applied to outer
The outer wall of shell 1；
As shown in Figure 3-4, shell 1 can be directly mounted at ground and be connected with equipment by support column 5, can also be according to making such as Fig. 4
With demand by that will be that the support column 5 being threadedly coupled is dismantled with connecting rod 4, shell 1 be gone in 2 inward turning of lantern ring by ball 3
Device is installed in different orientation, increases the convenience of installation and maintenance.
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art,
It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc.
With replacement, all within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in this
Within the protection scope of invention.
Claims (7)
1. a kind of decompression silencer, including shell (1), air inlet (6), gas outlet (14) and device gate (18), it is characterised in that:
The outer sheath of the shell (1) is equipped with lantern ring (2), and ball (3) are provided on the inside of lantern ring (2), the bottom of the lantern ring (2)
It is fixed with connecting rod (4), and the bottom of connecting rod (4) is connected with support column (5), the air inlet (6) is fixed on shell (1)
Upper corner, and unhurried current box (7) is installed in the shell (1) below air inlet (6), unhurried current box (7) is internally provided with
Connecting shaft (8), and the avris of connecting shaft (8) is fixed with fixed plate (9), is provided with demarcation plate below the connecting shaft (8)
(10), it and on demarcation plate (10) being reserved with through-hole (11), the bottom of unhurried current box (7) is connected with one end of hush pipe (12),
And the avris of hush pipe (12) is provided with connecting tube (13), the gas outlet (14) is fixed on the lower corner of shell (1), and outer
The inner wall of shell (1) is pasted with the first noise reduction layer (15), and the avris of first noise reduction layer (15) is provided with the second noise reduction layer (16),
The outer wall of the shell (1) is coated with third noise reduction layer (17), and the avris of shell (1) is equipped with device gate (18).
2. a kind of decompression silencer according to claim 1, it is characterised in that: the ball (3) is in lantern ring (2) interior isogonism
Degree distribution, and lantern ring (2) and shell (1) form rotational structure, and lantern ring (2) and connecting rod (4) is weld, while connecting rod
(4) and support column (5) is to be threadedly coupled.
3. a kind of decompression silencer according to claim 1, it is characterised in that: the through-hole (11) is on demarcation plate (10)
It is uniformly distributed, and demarcation plate (10) is in the underface of connecting shaft (8), and connecting shaft (8) is that bearing connects with unhurried current box (7).
4. a kind of decompression silencer according to claim 1, it is characterised in that: the hush pipe (12) is in shell (1)
It is arranged in the shape of a spiral, and the inner wall of the edge of hush pipe (12) and shell (1) fits closely.
5. a kind of decompression silencer according to claim 1, it is characterised in that: one end of the connecting tube (13) extends to
The inside of hush pipe (12), and the other end of connecting tube (13) and the first noise reduction layer (15) are connected.
6. a kind of decompression silencer according to claim 1, it is characterised in that: first noise reduction layer (15), second disappear
Sound-absorbing layer (16) and third noise reduction layer (17) are sequentially distributed from outside to inside on shell (1), and the first noise reduction layer (15) is butyl rubber
Glue material matter, and the second noise reduction layer (16) is glass fibre cotton material, while third noise reduction layer (17) is sound deadening coating.
7. a kind of decompression silencer according to claim 1, it is characterised in that: the working principle of the silencer are as follows:
When using the decompression silencer, air-flow passes through the inside that air inlet (6) enter shell (1) first, when air-flow is to fixed plate (9)
When generating impulse force, drive connecting shaft (8) in the inner rotation of unhurried current box (7), and plus equally distributed logical on demarcation plate (10)
Hole (11) has the function of diffusing to the air-flow of entrance, can guarantee that air-flow uniformly enters hush pipe (12) inside in this way, so
Air-flow is propagated in the spiral helicine hush pipe (12) afterwards, can slow down the speed of its discharge, in this way can be comprehensively thoroughly to making an uproar
Sound is eliminated, and the avris of hush pipe (12) is provided with multiple connecting tubes (13) for extending to its inside, can be to hush pipe
(12) noise of interior different location carries out auxiliary noise reduction；
Shell (1) is disposed with the first noise reduction layer (15), the second noise reduction layer (16) and third noise reduction layer (17) from outside to inside, the
One noise reduction layer (15) is to determine base rubber material, and can guarantee shell (1) other than air inlet (6) and then gas outlet (14)
Internal leakproofness, the second noise reduction layer (16) they are glass fibre cotton material, are arranged in the interlayer of shell (1), with noise reduction
Simultaneously can also fire-proof and damp-proof, third noise reduction layer (17) be sound deadening coating, be uniformly applied to the outer wall of shell (1)；
Shell (1) can be directly mounted at ground and be connected with equipment by support column (5), and can also be passed through according to use demand will be with
Connecting rod (4) is support column (5) disassembly being threadedly coupled, and shell (1) is gone to difference in lantern ring (2) inward turning by ball (3)
Orientation device is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910563138.5A CN110415672A (en) | 2019-06-26 | 2019-06-26 | A kind of decompression silencer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910563138.5A CN110415672A (en) | 2019-06-26 | 2019-06-26 | A kind of decompression silencer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110415672A true CN110415672A (en) | 2019-11-05 |
Family
ID=68358320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910563138.5A Pending CN110415672A (en) | 2019-06-26 | 2019-06-26 | A kind of decompression silencer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110415672A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070125594A1 (en) * | 2005-12-01 | 2007-06-07 | Hill William E | Muffler assembly with sound absorbing member |
| CN106762068A (en) * | 2016-11-16 | 2017-05-31 | 扬州翠佛堂珠宝有限公司 | A kind of huge discharge silencing exhaust pipe |
| CN206233979U (en) * | 2016-11-09 | 2017-06-09 | 芜湖恒耀汽车零部件有限公司 | A kind of automobile exhaust pipe of Novel rotary noise reduction |
| CN206617209U (en) * | 2017-04-07 | 2017-11-07 | 耿清洲 | A kind of automobile exhaust pipe tuning silencer |
| CN107705781A (en) * | 2017-11-08 | 2018-02-16 | 江苏英思达科技有限公司 | A kind of sound insulation module for acoustics experiment test window |
| CN208138026U (en) * | 2018-03-30 | 2018-11-23 | 四川鑫元瑞科技有限公司 | A kind of automobile engine silencing means |
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2019
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Application publication date: 20191105 |