CN102900496B - Silencer capable of reducing temperature of exhaust gas - Google Patents
Silencer capable of reducing temperature of exhaust gas Download PDFInfo
- Publication number
- CN102900496B CN102900496B CN201210375189.3A CN201210375189A CN102900496B CN 102900496 B CN102900496 B CN 102900496B CN 201210375189 A CN201210375189 A CN 201210375189A CN 102900496 B CN102900496 B CN 102900496B
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- China
- Prior art keywords
- pipe
- gas
- silencing apparatus
- exhaust pipe
- silencer
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Abstract
The invention discloses a silencer capable of reducing the temperature of exhaust gas, and relates to a silencer, in particular to silencers for power plants with internal combustion engines and vehicles. The silencer comprises a silencer shell (3), wherein a gas exhaust pipe (8) is arranged in the silencer shell. The silencer is mainly characterized by comprising a gas exhaust pipe (8) which consists of a first gas exhaust pipe (8-1) and a second gas exhaust pipe (8-2); and a water spraying device (5) is arranged between the first gas exhaust pipe (8-1) and the second gas exhaust pipe (8-2). The silencer has the advantages that noise is reduced during gas exhaust, the temperature of exhaust gas is reduced, inhalable particles and partial harmful gas in tail gas are reduced, and heat pollution and environmental pollution which are caused during gas exhaust are avoided.
Description
Technical field
The present invention relates to the structure of silencing apparatus, relate generally to the structure of electric power plant with internal combustion engine and silencer for automobile.
Background technique
Traditional silencing apparatus is through development for many years, and kind is increasingly various, and its principle, form, specification etc. are different.That common various silencing apparatus belongs to is substantially resistive, resistance, combined type and exhaust emptying formula Four types.
Dissipative muffler is to utilize the sound-absorbing porous material of different structure form in airflow line to absorb acoustic energy, reduces the silencing apparatus of exhaust sound; Reactive muffler is by the sudden change of acoustic characteristic in pipeline, and acoustic wave segment is reflected back to Sounnd source direction, to reach the silencing apparatus of noise elimination object; Complex muffler is that the different noise-cancelling theory Combination Design such as resistive and resistance have been formed to complex muffler, as impedance complex formula silencing apparatus, and impedance resonance complex muffler etc.; Gas Exhausting Muffle is a kind of silencing apparatus for reducing and control discharge noise, can be used for the inhibition of the high intensity noise that high temperature, high pressure and the high speed exhaust emptying of the industrial departments such as chemical industry, oil, metallurgy produces.
The silencing apparatus of the above Four types can only play the effect of single reduction exhaust sound, there is no the angle from protection of the environment completely, can not the temperature of Exhaust Gas and pollutant be reduced and be processed, function singleness.
Summary of the invention
The object of the invention is to avoid the deficiencies in the prior art that a kind of silencing apparatus that reduces delivery temperature is provided.Change the traditional concept that silencing apparatus can only reduce exhaust sound, make existing silencing apparatus in realizing exhaust sound reduction, reduce delivery temperature, and have certain exhaust emission control function.
For achieving the above object, the technological scheme that the present invention takes is: a kind of silencing apparatus that reduces delivery temperature, include suppressor case, in it, be provided with outlet pipe, its main feature is also to include outlet pipe and is made up of downtake pipe and second exhaust pipe, between downtake pipe and second exhaust pipe, is provided with water spray projector system.
The silencing apparatus of described reduced delivery temperature, described water spray projector system, is provided with and the core cylinder of outlet pipe coaxial line in the middle, is provided with ring pipe in the outside of core cylinder, is evenly distributed with shower on ring pipe; Ring pipe is communicated with the water intake of being located on suppressor case.
The silencing apparatus of described reduced delivery temperature, also includes between second exhaust pipe and relief opening and is provided with mixing chamber, on the suppressor case corresponding with mixing chamber, be provided with and mix cold hole, mixing chamber with mix cold hole and be connected.
The silencing apparatus of described reduced delivery temperature, also includes and on suppressor case, is provided with waste pipe; In suppressor case, be provided with upper clapboard, lower clapboard; On lower clapboard, be provided with weep hole.
The silencing apparatus of described reduced delivery temperature, also includes in described core cylinder and described mixing chamber and is provided with sound absorption bar.
The invention has the beneficial effects as follows: realize when exhaust sound reduces and reduce delivery temperature, reduce pellet and part harmful gas in tail gas, the thermo-pollution and the environmental pollution that cause to reduce exhaust.
Brief description of the drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is A-A cross-sectional schematic of the present invention;
Fig. 3 is B-B cross-sectional schematic of the present invention.
Embodiment
Below in conjunction with accompanying drawing, principle of the present invention and feature are described, example, only for explaining the present invention, is not intended to limit scope of the present invention.
Embodiment 1: see Fig. 1, Fig. 2, Fig. 3, a kind of silencing apparatus that reduces delivery temperature, include suppressor case 3, in it, be provided with outlet pipe 8, also include outlet pipe 8 and formed by downtake pipe 8-1 and second exhaust pipe 8-2, between downtake pipe 8-1 and second exhaust pipe 8-2, be provided with water spray projector system 5.Tail gas fully contacts with water droplet, and most heat is passed to water droplet.
Described water spray projector system 5, is provided with and the core cylinder 4 of outlet pipe 8 coaxial lines in the middle, is provided with ring pipe 5-2 in the outside of core cylinder 4, is evenly distributed with shower 5-1 on ring pipe 5-2; Ring pipe 5-2 is communicated with the water intake 5-3 being located on suppressor case 3.
Also include between second exhaust pipe 8-2 and relief opening 6 and be provided with mixing chamber 12, on the suppressor case corresponding with mixing chamber 12 3, be provided with and mix cold hole 2, mixing chamber 12 with mix cold hole 2 and be connected.The type of cooling of cool air is mixed in employing, and the cool air mixing directly mixes reduction temperature with tail gas.
Also include and on suppressor case 3, be provided with waste pipe 9; In suppressor case 3, be provided with upper clapboard 11, lower clapboard 7; On lower clapboard 7, be provided with weep hole 7-1.
The silencing apparatus of described reduced delivery temperature also includes and in described core cylinder 4 and described mixing chamber 12, is provided with sound absorption bar 1-1,1-2.
This scheme adopts the two-stage type of cooling.The first order adopts heat exchange (tail gas-water droplet) type of cooling; The second level adopts the type of cooling of mixing cool air, and the cool air mixing directly mixes reduction temperature with tail gas.It is cooling that first the gas of discharging from outlet pipe enter the first order.In the first order, by fully the contacting of tail gas and water droplet, most heat is passed to water droplet.Through the cooled gas of the first order, enter the second level by the connecting tube of two-stage cooling.In the second level, the negative pressure forming while utilizing tail gas flow at high speed, sucks extraneous cool air, and cold and hot gas is discharged from outlet pipe after mixing.
Key point of the present invention: utilize water crushing technology that the water column of ejection is broken into small water droplet, increase the area of contact with tail gas.The negative pressure of utilizing exhaust airstream to produce, is not needing under the condition of external force, sucks cool air from the external world.
Specific embodiment of the invention measure: this muffler body structure adopts two-stage expansion chamber silencing apparatus, arranges water-cooled water spray projector system, in second level expansion chamber arrangement air-cooling structure in first order expansion chamber.When this silencing apparatus work, through the current of booster water pump pressurization, enter shower by water intake.On shower, open the aperture that well-regulated diameter is 1.5mm, high-pressure water flow flows out through 1.5mm aperture, forms high speed water column.High speed water column and suppressor case 3 inwalls and core cylinder 4 clash into, and are broken into the water droplet that diameter is small.The tail gas mixing that water droplet after fragmentation enters with outlet pipe 8 contacts, and the heat in tail gas is passed to little water droplet, and the water droplet that finally absorbs heat is back to water tank through waste pipe 9 and recycles.It is cooling that tail gas after water-cooled enters next stage.Formation negative pressuren zone around exhaust gas flow, utilizes this negative pressure that extraneous cool air is sucked by mixing cold hole 2.Cool ambient air approach gas-entered passageway mixes in high-temperature tail gas.For high temperature gas flow, such mix cold can be in air-flow path formation temperature gradient, intermediate heat, surrounding is cold.And this temperature gradient can cause sound velocity gradient, sound wave is to the bending of passage perisporium.Owing to being furnished with sound absorption bar 1 at passage perisporium, play the effect of resistance noise reduction.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (4)
1. the silencing apparatus that can reduce delivery temperature, includes suppressor case, is provided with outlet pipe in it, it is characterized in that, also includes outlet pipe and is made up of downtake pipe and second exhaust pipe, between downtake pipe and second exhaust pipe, is provided with water spray projector system; Described water spray projector system, is provided with and the core cylinder of outlet pipe coaxial line in the middle, is provided with ring pipe in the outside of core cylinder, is distributed with shower on ring pipe; Ring pipe is communicated with the water intake of being located on suppressor case; Also include between second exhaust pipe and relief opening and be provided with mixing chamber, on the suppressor case corresponding with mixing chamber, be provided with and mix cold hole, mixing chamber with mix cold hole and be connected.
2. the silencing apparatus of the reduced delivery temperature as described in claim 1, is characterized in that, described shower is uniformly distributed on ring pipe.
3. the silencing apparatus that reduces delivery temperature as claimed in claim 1, is characterized in that, also includes and on suppressor case, is provided with waste pipe; In suppressor case, be provided with upper clapboard, lower clapboard; On lower clapboard, be provided with weep hole.
4. the silencing apparatus that reduces delivery temperature as claimed in claim 1, is characterized in that, also includes in described core cylinder and described mixing chamber and is provided with sound absorption bar.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201210375189.3A CN102900496B (en) | 2012-10-02 | 2012-10-02 | Silencer capable of reducing temperature of exhaust gas |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201210375189.3A CN102900496B (en) | 2012-10-02 | 2012-10-02 | Silencer capable of reducing temperature of exhaust gas |
Publications (2)
Publication Number | Publication Date |
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CN102900496A CN102900496A (en) | 2013-01-30 |
CN102900496B true CN102900496B (en) | 2014-11-12 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201210375189.3A Expired - Fee Related CN102900496B (en) | 2012-10-02 | 2012-10-02 | Silencer capable of reducing temperature of exhaust gas |
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CN (1) | CN102900496B (en) |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07279648A (en) * | 1994-04-05 | 1995-10-27 | Isao Yamamoto | Exhaust emission control system |
JP2004300920A (en) * | 2003-03-28 | 2004-10-28 | Sumitomo Electric Ind Ltd | Exhaust gas cooling device |
CN202926441U (en) * | 2012-10-02 | 2013-05-08 | 兰州电源车辆研究所有限公司 | Silencer capable of reducing exhaust temperature |
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2012
- 2012-10-02 CN CN201210375189.3A patent/CN102900496B/en not_active Expired - Fee Related
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Granted publication date: 20141112 Termination date: 20161002 |