CN108428443B - Silencer (muffler) - Google Patents
Silencer (muffler) Download PDFInfo
- Publication number
- CN108428443B CN108428443B CN201810269279.1A CN201810269279A CN108428443B CN 108428443 B CN108428443 B CN 108428443B CN 201810269279 A CN201810269279 A CN 201810269279A CN 108428443 B CN108428443 B CN 108428443B
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- CN
- China
- Prior art keywords
- sound wave
- sound
- concentrator
- frequency band
- shell
- 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.)
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Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/26—Drying gases or vapours
- B01D53/266—Drying gases or vapours by filtration
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Combustion & Propulsion (AREA)
- Fluid Mechanics (AREA)
- Aviation & Aerospace Engineering (AREA)
- Multimedia (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Exhaust Silencers (AREA)
Abstract
The invention discloses a silencer, which is characterized by comprising: a housing; the silencing frequency band structure is used for absorbing water vapor, separating water and gas; a sonic concentrator for controlling the flow of reduced water vapor; a frequency converter for controlling the flow rate of steam by diversion; the sound wave expander is used for expanding steam to flow out; the sound wave regulator controls and regulates the direction of the output sound to reduce sound decibels; the sound wave concentrator is arranged at the bottom of the shell, sound-deadening frequency band structures are arranged around the sound wave concentrator, a frequency converter is arranged at the top of the sound wave concentrator, a sound wave expander is arranged at the top of the frequency converter, sound-deadening frequency band structures are arranged around the sound wave expander, and a sound wave adjuster is arranged at the top of the shell; compared with the existing silencer, the stainless steel wire mesh is used for absorbing water vapor, separating water and gas, and the problem that the original silencing cotton cannot effectively perform silencing due to the fact that the water vapor is absorbed in a saturated mode is solved.
Description
Technical Field
The invention belongs to the technical field of silencers, and particularly relates to a silencer.
Background
The muffler means that for the air flow pipeline with noise transmission, the noise in the pipeline can be attenuated or reflected back by using the pipeline with sound absorption lining and elbow or using the noise reduction devices such as the pipeline with suddenly changed sectional area and other discontinuous acoustic impedance. The former is called resistive muffler, and the latter is called resistive muffler, and there is also impedance composite muffler.
The muffler is of various types, but the muffler mechanism can be divided into six main types, namely, a resistive muffler, a resistive composite muffler, a microperforated panel muffler, a micropore muffler and an active muffler.
In the silencer structure in the electric auxiliary machinery industry, sound-absorbing cotton is mostly adopted for noise reduction and silencing, and the structure is mainly a structure of at least two stages of silencing structures or a cover body, a corresponding water outlet and the like; however, the existing muffler has the following disadvantages: firstly, the adopted sound-absorbing cotton is easy to absorb water and saturate, and can not discharge the sucked liquid, so that effective noise reduction can not be achieved; secondly, the internal structure of the existing silencer is old, and the silencing effect is poor.
Disclosure of Invention
The invention provides a silencer for solving the problems that the existing silencer adopts sound-absorbing cotton, is easy to absorb water and saturated, has an old internal structure, and is poor in silencing effect.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
a muffler, comprising:
a housing;
the silencing frequency band structure is used for absorbing water vapor, separating water and gas;
a sonic concentrator for controlling the flow of reduced water vapor;
a frequency converter for controlling the flow rate of steam by diversion;
the sound wave expander is used for expanding steam to flow out;
the sound wave regulator controls and regulates the direction of the output sound to reduce sound decibels;
the sound wave concentrator is arranged at the bottom of the shell, sound wave frequency band structures are arranged around the sound wave concentrator, a frequency converter is arranged at the top of the sound wave concentrator, a sound wave expander is arranged at the top of the frequency converter, sound wave frequency band structures are arranged around the sound wave expander, and a sound wave adjuster is arranged at the top of the shell.
Further, the noise reduction frequency band structure comprises a stainless steel wire mesh, and a water outlet is formed in the bottom of the noise reduction frequency band structure.
Further, the stainless steel wire mesh is in the form of tennis balls.
Further, the frequency converter comprises a blocking plate, the blocking plate is arranged in the shell, and a plurality of through hole tube bundles are arranged on the blocking plate.
Further, each tube bundle is different in length and diameter.
Further, the sound wave concentrator and the sound wave expander are cone bodies, and through holes are formed in the surfaces of the cone bodies.
Further, the sound wave regulator is provided with a guide vane.
Further, the bottom of the shell is provided with a base, and the upper part of the shell is provided with a fixing opening.
The invention has the following beneficial effects:
compared with the existing silencer, the stainless steel wire mesh is used for absorbing water vapor, separating water and gas, and the problem that the original silencing cotton cannot effectively perform silencing due to the fact that the water vapor is absorbed in a saturated mode is solved.
According to the invention, the sound wave concentrator and the sound wave expander are adopted, so that steam is better introduced into the frequency converter to realize water-gas separation, and the silencing effect is improved.
Drawings
Fig. 1 is a schematic diagram of the structure of the present invention.
Fig. 2 is a schematic diagram of a frequency converter structure.
In the drawings, the list of components represented by the various numbers is as follows:
1. the sound wave concentrator comprises a shell, 2 sound wave regulators, 3 sound wave expanders, 4, a blocking plate, 5, a tube bundle, 6, a sound attenuation frequency band structure, 7 and a sound wave concentrator.
Detailed Description
The invention is further described with reference to the accompanying drawings:
as shown in fig. 1 and 2, the muffler is characterized by comprising:
a housing 1;
the silencing frequency band structure 6 is used for absorbing water vapor, separating water and gas;
a sonic concentrator 7 for controlling the reduced steam inflow;
a frequency converter for controlling the flow rate of steam by diversion;
an acoustic wave expander 3 for expanding the flow of the vapor;
a sound wave adjuster 2 for controlling and adjusting the direction of the output sound to reduce the sound decibel;
wherein, 1 bottom of casing is equipped with sound wave concentrator 7, and sound wave concentrator is equipped with amortization frequency channel structure 6 all around, sound wave concentrator top is equipped with frequency converter, frequency converter top is equipped with sound wave expander 3, sound wave expander is equipped with amortization frequency channel structure 6 all around, the casing top is equipped with sound wave regulator 2.
The noise reduction frequency band structure comprises a stainless steel wire mesh, and a water outlet 8 is arranged at the bottom of the noise reduction frequency band structure.
The stainless steel wire mesh is in the form of tennis.
The frequency converter comprises a blocking plate 4, the blocking plate is arranged in the shell, and a plurality of through hole tube bundles 5 are arranged on the blocking plate.
Each tube bundle 5 is different in length and diameter.
The sound wave concentrator and the sound wave expander are cone bodies, and through holes are formed in the surfaces of the cone bodies.
The sound wave regulator is provided with a guide vane.
The bottom of the shell is provided with a base, and the shell is provided with a fixing opening.
Examples:
the steam enters from the sound wave concentrator end, the flow speed of the steam entering is gradually reduced and changed under the action of the sound wave concentrator, the steam passes through the cone through hole of the sound wave concentrator, the steam enters into the surrounding sound attenuation frequency band structure under the guide flow of the sound wave concentrator, water and gas are separated in the stainless steel wire mesh, the water is discharged through the water outlet 8, then the steam continues to flow upwards and passes through the frequency converter, the flow speed of the steam is controlled under the tube bundle of the frequency converter, the tube bundle is designed to be different in length and diameter, the flow speed of the steam is better adjusted, the tube bundle length and the diameter are reduced, the flow speed is reduced, the tube bundle length and the diameter are increased, the flow speed is further increased, the sound attenuation frequency band structure of the steam at the lower side is further guaranteed to sufficiently reduce noise, then enters into the sound wave expander at the upper side, the same as the sound attenuation frequency band structure is firstly separated into water and gas in the surrounding sound attenuation frequency band structure, the steam passes through the sound wave expander through the through hole, the sound attenuation frequency band structure, the direction of the sound is changed through the guide blades of the sound wave regulator, and the further noise is reduced, and the requirements of noise is reduced.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present invention should be included in the scope of the present invention.
Claims (1)
1. A muffler, comprising:
a housing;
the silencing frequency band structure is used for absorbing water vapor, separating water and gas;
a sonic concentrator for controlling the flow of reduced water vapor;
a frequency converter for controlling the flow rate of steam by diversion;
the sound wave expander is used for expanding steam to flow out;
the sound wave regulator controls and regulates the direction of the output sound to reduce sound decibels;
the sound wave concentrator is arranged at the bottom of the shell, sound-deadening frequency band structures are arranged around the sound wave concentrator, a frequency converter is arranged at the top of the sound wave concentrator, a sound wave expander is arranged at the top of the frequency converter, sound-deadening frequency band structures are arranged around the sound wave expander, and a sound wave adjuster is arranged at the top of the shell;
the silencing frequency band structure comprises a stainless steel wire mesh, and a water outlet is arranged at the bottom of the silencing frequency band structure; the stainless steel wire mesh is in a tennis form; the frequency converter comprises a blocking plate, wherein the blocking plate is arranged in the shell, and a plurality of through hole tube bundles are arranged on the blocking plate; the length and the diameter of each tube bundle are different; the sound wave concentrator and the sound wave expander are cone bodies, and through holes are formed in the surfaces of the cone bodies; the sound wave regulator is provided with a guide blade; the bottom of the shell is provided with a base, and the shell is provided with a fixing opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810269279.1A CN108428443B (en) | 2018-03-29 | 2018-03-29 | Silencer (muffler) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810269279.1A CN108428443B (en) | 2018-03-29 | 2018-03-29 | Silencer (muffler) |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108428443A CN108428443A (en) | 2018-08-21 |
| CN108428443B true CN108428443B (en) | 2023-09-22 |
Family
ID=63159992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810269279.1A Active CN108428443B (en) | 2018-03-29 | 2018-03-29 | Silencer (muffler) |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108428443B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19980063262U (en) * | 1997-04-15 | 1998-11-16 | 이해규 | Multi diffuser silencer |
| CN204155604U (en) * | 2014-10-23 | 2015-02-11 | 鲁杨 | A kind of dissipative muffler |
| CN204512003U (en) * | 2015-01-30 | 2015-07-29 | 王进 | The efficient resistance complex muffler of length cellular circular hole pipe |
| CN107288846A (en) * | 2017-08-15 | 2017-10-24 | 芜湖通全科技有限公司 | One kind turns to cut frequency type muffler |
| CN107366567A (en) * | 2016-01-06 | 2017-11-21 | 石胜力 | Noise reduction disappears waste gas device |
| CN206724445U (en) * | 2017-04-28 | 2017-12-08 | 湖南城市学院 | A kind of silencer for HVAC ventilating system |
-
2018
- 2018-03-29 CN CN201810269279.1A patent/CN108428443B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19980063262U (en) * | 1997-04-15 | 1998-11-16 | 이해규 | Multi diffuser silencer |
| CN204155604U (en) * | 2014-10-23 | 2015-02-11 | 鲁杨 | A kind of dissipative muffler |
| CN204512003U (en) * | 2015-01-30 | 2015-07-29 | 王进 | The efficient resistance complex muffler of length cellular circular hole pipe |
| CN107366567A (en) * | 2016-01-06 | 2017-11-21 | 石胜力 | Noise reduction disappears waste gas device |
| CN206724445U (en) * | 2017-04-28 | 2017-12-08 | 湖南城市学院 | A kind of silencer for HVAC ventilating system |
| CN107288846A (en) * | 2017-08-15 | 2017-10-24 | 芜湖通全科技有限公司 | One kind turns to cut frequency type muffler |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108428443A (en) | 2018-08-21 |
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