CN107100706B - A kind of purifying muffler - Google Patents
A kind of purifying muffler Download PDFInfo
- Publication number
- CN107100706B CN107100706B CN201710290451.7A CN201710290451A CN107100706B CN 107100706 B CN107100706 B CN 107100706B CN 201710290451 A CN201710290451 A CN 201710290451A CN 107100706 B CN107100706 B CN 107100706B
- Authority
- CN
- China
- Prior art keywords
- chamber
- dedusting
- noise elimination
- air inlet
- elimination cavity
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/007—Apparatus used as intake or exhaust silencer
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N1/00—Silencing apparatus characterised by method of silencing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N1/00—Silencing apparatus characterised by method of silencing
- F01N1/16—Silencing apparatus characterised by method of silencing by using movable parts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N1/00—Silencing apparatus characterised by method of silencing
- F01N1/24—Silencing apparatus characterised by method of silencing by using sound-absorbing materials
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/18—Construction facilitating manufacture, assembly, or disassembly
- F01N13/1838—Construction facilitating manufacture, assembly, or disassembly characterised by the type of connection between parts of exhaust or silencing apparatus, e.g. between housing and tubes, between tubes and baffles
Abstract
A kind of purifying muffler, it is characterized in that it includes: a taper relief chamber (11), the tapered end of the taper relief chamber (11) is equipped with the air inlet (1) being connected with air inlet pipe, high-voltage pulse gas initially enters taper relief chamber by air inlet (1), and pyramidal structure is conducive to the front and back dislocation and diffusion of high pressure draught and sound wave；One vortex chamber (12), the vortex chamber (12) are connected with taper relief chamber (11) above-mentioned, are disposed with spiral board (2) in vortex chamber (12)；One dedusting chamber (13), the dedusting chamber (13) realize detachable connection by flange arrangement (3) and aforementioned vortex chamber (12)；Detachable connection is realized by the outlet end of flange arrangement and dedusting chamber (13) in one end of one noise elimination cavity (17), the noise elimination cavity (17), and the other end is equipped with the gas outlet (9) of connection silencer.The present invention has combined gas Cress function, simplifies industrial production processes, and dedusting chamber convenient disassembly, filter element replacing are easy.
Description
Technical field
The present invention relates to a kind of environmental protection technology, especially a kind of internal combustion engine drop bath and dust discharge technology are specifically a kind of
Have both the purifying muffler of purification and noise elimination function.
Background technique
It is well known that after noise is more than certain value the normal work and rest of people can be seriously affected, or even to people
The health of body generates extremely disadvantageous influence, it is therefore necessary to carry out the noise control in industrial activity.
Common noise control method includes two kinds of resistive silencer and anti-formula silencer.The former utilizes sound-absorbing porous material
To reduce noise.Sound-absorbing material construction resistive muffler is fixed or arranged in the duct on the inner wall of airflow channel, works as sound wave
Into when, part sound can rub in the hole of porous material and be converted to thermal energy consumption and dissipate, make by sound wave weakened；
The latter is composed of the pipe and room of abrupt interface, include various frequency contents sound wave enter first short tube when, only
The sound wave of certain frequencies near first mesh intrinsic frequency could reach second short tube mouth by mesh, and other one
The sound wave of a little frequencies then can not by mesh, can only in cell roundtrip, pass through the appropriately combined of pipe and room
Filter the noise of certain frequency contents.Resistive noise-cancelling theory is suitable for eliminating medium, high frequency sound wave, and anti-formula noise-cancelling theory is suitable for
In, low-frequency sound wave, all there is respective limitation.
It is mixed comprising " shot-like particle " (carbon distribution) and " floccule " (cigarette wadding) and grease in the gas generated after combustion in IC engine
Object is closed, is directly discharged in atmosphere that unthinkable harm can be caused to environment, the solution that there is no this.Active carbon,
It is black powder or bulk, graininess, cellular amorphous carbon, there is stronger adsorptivity, is a kind of ideal
Cleanser is widely used in production, life.As far as the applicant is aware, there is no the noise elimination that the two is carried out to resulting structure at present
Device is available.
Summary of the invention
The purpose of the present invention is design one kind and combine resistive for deficiency existing for the anti-formula silencing apparatus of existing resistive
With the composite purification silencing apparatus of two kinds of noise-cancelling theories of anti-formula, discharged with realizing that the synchronous purification of gas is cleaned with no pollution.
The technical scheme is that
A kind of purifying muffler, it is characterized in that it includes:
One taper relief chamber 11, the tapered end of the taper relief chamber 11 are equipped with the air inlet 1 being connected with air inlet pipe, high-tension pulse
Qi of chong channel ascending adversely body initially enters taper relief chamber by air inlet 1, pyramidal structure be conducive to high pressure draught and sound wave front and back dislocation and
Diffusion；
One vortex chamber 12, the vortex chamber 12 are connected with taper relief chamber 11 above-mentioned, are disposed with spiral board in vortex chamber 12
2, spiral board 2 plays the role of rotating centrifugal to air-flow, gets rid of the impurity contained in air-flow into dedusting chamber；
One dedusting chamber 13, the dedusting chamber 13 are realized detachable connection by flange arrangement 3 and aforementioned vortex chamber 12, are being removed
Dirt chamber 13 is equipped with active carbon layer 4 and filter cloth 5, and the large granular impurity entered from vortex chamber 12 is adsorbed by active carbon layer 4 first,
The little particle impurity that residue can not be adsorbed then passes through filter cloth 5 and is obstructed, and plays optimal clean-up effect；
One noise elimination cavity 17, one end of the noise elimination cavity 17 are realized detachable by the outlet end of flange arrangement and dedusting chamber 13
Connection, the other end are equipped with the gas outlet 9 of connection silencer, and noise elimination cavity 17 is separated into level-one noise elimination cavity 14, two by two pieces of partitions 8
Grade noise elimination cavity 15 and air collecting chamber 16, level-one noise elimination cavity 17 is close to dedusting chamber 13；Connection respective chamber is installed on the partition 8
The intubation 7 that room is circulated so as to gas.
The small diffusion hole that area summation is several times as much as air inlet is furnished in the cavity wall of the taper relief chamber 11, gas is by institute
It states cavity wall oblique fire and diffuses into vortex chamber, play the role of decompression.
The spiral board 2 is made of the sound-absorbing porous material not reacting with air-flow.
The vortex chamber 12 is in cylindrical shape structure, and the dedusting chamber 13 being attached thereto is in cuboid or cube structure.
5 material of filter cloth is high-quality G4 grades of non-woven fabrics, is fixed on braced frame or dedusting cavity wall with continuous V-shaped structure
On.
17 inner wall of noise elimination cavity is stamped superfine glass noise reduction and covers cotton layer 6.
The arrangement of intubation 7 on the partition 8 is identical or different.
Beneficial effects of the present invention:
The present invention is a kind of composite sound damping device of the foundation in resistive noise-cancelling theory and reactive muffling basis, simultaneously
Gas Cress function has been taken into account, industrial production processes are simplified, dedusting chamber convenient disassembly, filter element replacing are easy, and are met real
Border use demand has important practical significance to improving operating environment, improving discharge quality.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the schematic diagram that different location arrangement form is intubated on different partitions of the invention.
Specific embodiment
The present invention is further illustrated with reference to the accompanying drawings and examples.
As shown in Figs. 1-2.
A kind of purifying muffler is made of, noise elimination cavity 17 taper relief chamber 11, vortex chamber 12, dedusting chamber 13, noise elimination cavity 17
It is made of level-one noise elimination cavity 14, second level noise elimination cavity 15 and air collecting chamber 16, as shown in Figure 1.The tapered end of taper relief chamber 11 be equipped with
The air inlet 1 that air inlet pipe is connected, high-voltage pulse gas initially enter taper relief chamber by air inlet 1, and pyramidal structure is advantageous
In the front and back dislocation and diffusion of high pressure draught and sound wave；Area summation, which is furnished with, in taper relief chamber cavity wall is several times as much as the small of air inlet
Diffusion hole, gas diffuse into vortex chamber by cavity wall oblique fire, play the role of decompression.Meanwhile because not having in taper relief chamber 11
There is any right angle area, the presence of " shock wave " accumulation point can be prevented, play anti-detonation.Vortex chamber 12 and taper above-mentioned depressurize
Chamber 11 is connected, and it is identical as spiral board structure common in existing silencer that spiral board 2(is disposed in vortex chamber 12), spiral board
2 pairs of air-flows play the role of rotating centrifugal, get rid of the impurity contained in air-flow into dedusting chamber；Due to the rotation using this structure
Distance when along away from much larger than air-flow straightline propagation, extends muffler space indirectly, is provided with better multiplying power noise elimination effect.
Spiral board plays the role of rotating centrifugal to air-flow, makes the bulky grains quilts such as the soot particles contained in air-flow, cigarette wadding, oil water mixture
Get rid of into dedusting chamber and adsorbed by active carbon layer 4, the little particle impurity that can not be adsorbed of residue then pass through the filter cloth 5 of the second layer into
Row barrier, can reach more preferably clean-up effect.Dedusting chamber 13 is made of flange arrangement 3(ring flange and bolt) with it is aforementioned
Vortex chamber 12 realizes detachable connection, is equipped with active carbon layer 4 and filter cloth 5 in dedusting chamber 13, enters from vortex chamber 12
Large granular impurity is adsorbed by active carbon layer 4 first, and the little particle impurity that residue can not be adsorbed then passes through filter cloth 5 and obstructed,
Play optimal clean-up effect；High-quality G4 grades of non-woven fabrics can be used in 5 material of filter cloth, is fixed on braced frame with continuous V-shaped structure
Or on dedusting cavity wall, such arrangement form has the characteristics that air quantity is big, resistance is small, dust containing capacity is big.When it is implemented, eddy flow
Chamber uses cylindrical structure, by the dedusting chamber connection of ring flange and connection bolt and cube, dedusting chamber and noise elimination cavity
Connection also uses this form.Such connection type removes and installs convenient for dedusting chamber, so that regularly filter element replacing work
Make more convenient.Detachable connection is realized by the outlet end of flange arrangement and dedusting chamber 13 in one end of noise elimination cavity 17, another
End is equipped with the gas outlet 9 of connection silencer, and noise elimination cavity 17 is separated into level-one noise elimination cavity 14, second level noise elimination cavity by two pieces of partitions 8
15 and air collecting chamber 16, level-one noise elimination cavity 17 is close to dedusting chamber 13；On every piece of partition 8 installation there are four or other quantity
The intubation 7 that circulates so as to gas of connection corresponding chambers, and on two partitions 8 intubation 7 arrangement form it is not identical, such as Fig. 2 institute
Show.In addition, the medium, high frequency sound wave completely eliminated can be failed in vortex chamber in order to further eliminate using resistance noise reduction principle, also
Superfine glass noise reduction can be stamped in each chamber inner wall cover cotton 6.The tail portion design of air collecting chamber 16 has gas outlet 9, disappears by purification
The gas of sonication is via being discharged to outside silencer herein.
The course of work of the invention is:
The high-voltage pulse gas that internal combustion engine (or other equipment) generates when working initially enters taper by intake interface 1 and subtracts
Chamber 11 is pressed, since in taper relief chamber 11, without any right angle area, the presence of " shock wave " accumulation point can be prevented, plays antiknock work
With.And pyramidal structure is conducive to the front and back dislocation and diffusion of high pressure draught and sound wave, gas sound section will be divided into several segments and enter rotation
It flows chamber and realizes that most of eliminate of medium, high frequency sound wave is eliminated with the partial coherence of low-frequency sound wave.Simultaneously swirling eddy generate from
The bulky grains such as the soot particles wherein contained, cigarette wadding can be got rid of into dedusting chamber and be adsorbed by active carbon layer by heart effect, remaining
The filter cloth that the little particle impurity that can not be adsorbed then passes through the second layer is obstructed, and dust emissions amount is greatly reduced, mitigates internal combustion engine
Pollution of the dust emissions to environment.Air-flow after being cleaned enters first and second grade of noise elimination cavity, and each chamber interior walls of expanding are stamped ultra-fine glass
Cotton is covered in glass noise reduction, is arranged symmetrically on each noise elimination cavity partition there are four being intubated, to realize the circulation of air and disappearing by frequency
It removes, in this link, vortex chamber does not eliminate clean medium, high frequency sound wave and a large amount of low-frequency sound wave is effectively eliminated.Most
Eventually, enter air collecting chamber by the air-flow purified and noise reduction is handled and be discharged to outside silencer by gas outlet.The present invention can effectively drop
The discharge of low internal combustion engine noise and dust uplifts the people's living standard and is of great significance to operating environment is improved.When discovery disappears
When sound effective value declines, noise elimination cavity can be replaced in whole or in part by way of disassembly.
Part that the present invention does not relate to is the same as those in the prior art or can be realized by using the prior art.
Claims (7)
1. a kind of purifying muffler, it is characterized in that it includes:
One taper relief chamber (11), the tapered end of the taper relief chamber (11) are equipped with the air inlet (1) being connected with air inlet pipe, high pressure
Pulse gas initially enters taper relief chamber by air inlet (1), and pyramidal structure is conducive to the anteroposterior position of high pressure draught and sound wave
Wrong and diffusion；
One vortex chamber (12), the vortex chamber (12) are connected with taper relief chamber (11) above-mentioned, are disposed with rotation in vortex chamber (12)
Flowing plate (2), spiral board (2) play the role of rotating centrifugal to air-flow, get rid of the impurity contained in air-flow into dedusting chamber；
One dedusting chamber (13), the dedusting chamber (13) realize detachable connection by flange arrangement (3) and aforementioned vortex chamber (12),
Active carbon layer (4) and filter cloth (5) are installed in dedusting chamber (13), lived first from the large granular impurity entered in vortex chamber (12)
Property layer of charcoal (4) adsorb, the little particle impurity that can not be adsorbed of residue then passes through filter cloth (5) and is obstructed, and plays optimal purification
Effect；
One noise elimination cavity (17), one end of the noise elimination cavity (17) are realized detachable by the outlet end of flange arrangement and dedusting chamber (13)
Formula connection, the other end are equipped with the gas outlet (9) of connection silencer, and noise elimination cavity (17) is separated into level-one by two pieces of partitions (8) and disappears
The operatic tunes (14), second level noise elimination cavity (15) and air collecting chamber (16), level-one noise elimination cavity (17) is close to dedusting chamber (13)；In the partition
(8) intubation (7) that connection corresponding chambers circulate so as to gas is installed on.
2. purifying muffler according to claim 1, it is characterized in that being furnished in the cavity wall of the taper relief chamber (11)
Area summation is several times as much as the small diffusion hole of air inlet, and gas diffuses into vortex chamber by cavity wall oblique fire, plays the work of decompression
With.
3. purifying muffler according to claim 1, it is characterized in that spiral board (2) the You Buyu air-flow reacts more
Hole sound absorbing material is made.
4. purifying muffler according to claim 1, it is characterized in that the vortex chamber (12) is in cylindrical shape structure, with
Connected dedusting chamber (13) be in rectangular parallelepiped structure.
5. purifying muffler according to claim 1, it is characterized in that filter cloth (5) material is high-quality G4 grades of nonwoven
Cloth is fixed in braced frame or dedusting cavity wall with continuous V-shaped structure.
6. purifying muffler according to claim 1, it is characterized in that described noise elimination cavity (17) inner wall is stamped superfine glass
Cotton layer (6) is covered in noise reduction.
7. purifying muffler according to claim 1, it is characterized in that the arrangement side of the intubation (7) on the partition (8)
Formula is identical or different.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710290451.7A CN107100706B (en) | 2017-04-28 | 2017-04-28 | A kind of purifying muffler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710290451.7A CN107100706B (en) | 2017-04-28 | 2017-04-28 | A kind of purifying muffler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107100706A CN107100706A (en) | 2017-08-29 |
| CN107100706B true CN107100706B (en) | 2019-02-26 |
Family
ID=59656475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710290451.7A Active CN107100706B (en) | 2017-04-28 | 2017-04-28 | A kind of purifying muffler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107100706B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107781011A (en) * | 2017-09-28 | 2018-03-09 | 徐州瑞田工程机械有限公司 | A kind of silencer of fast changeable mesh undulator |
| CN108868984B (en) * | 2018-06-19 | 2023-05-12 | 爱驰威汽车零部件（盐城）有限公司 | Muffler for automobile exhaust pipe |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR878368A (en) * | 1941-01-18 | 1943-01-19 | Eberspaecher J | Silencer, especially for internal combustion, two-stroke engines |
| GB2175641A (en) * | 1985-05-28 | 1986-12-03 | Tula Silencers | Exhaust silencer |
| JPH04175418A (en) * | 1990-11-07 | 1992-06-23 | Ebara Corp | Catalyst incorporating silencer |
| CN2175308Y (en) * | 1993-07-23 | 1994-08-24 | 廖武林 | Combination type silencer |
| CN101922342B (en) * | 2010-09-21 | 2015-10-14 | 中国第一汽车集团公司 | Straight-through particle filtration post-processor assembly |
| CN105971706A (en) * | 2016-06-30 | 2016-09-28 | 盐城市星凯环保科技有限公司 | Environmentally-friendly exhaust pipe of motorcycle |
| CN106545393A (en) * | 2016-11-25 | 2017-03-29 | 湖州山海环保工程有限公司 | A kind of silencer for internal-combustion engine |
-
2017
- 2017-04-28 CN CN201710290451.7A patent/CN107100706B/en active Active
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| Publication number | Publication date |
|---|---|
| CN107100706A (en) | 2017-08-29 |
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