CN204312163U - Diesel engine silencing apparatus - Google Patents
Diesel engine silencing apparatus Download PDFInfo
- Publication number
- CN204312163U CN204312163U CN201420803820.XU CN201420803820U CN204312163U CN 204312163 U CN204312163 U CN 204312163U CN 201420803820 U CN201420803820 U CN 201420803820U CN 204312163 U CN204312163 U CN 204312163U
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- dividing plate
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Abstract
The utility model relates to a kind of diesel engine silencing apparatus, comprise suppressor case, first is provided with in suppressor case, second and the 3rd dividing plate, be expansion noise elimination cavity by suppressor case interior separation, consider grey chamber, resonant silencing chamber and rock wool layer sound absorption chamber, one suction tude is inserted in expansion noise elimination cavity, one steam outlet pipe inserts in rock wool layer sound absorption chamber, second partition is provided with the first connecting tube, 3rd dividing plate is provided with the second connecting tube, one resonantron is arranged in resonant silencing chamber, the upstream extremity of this resonantron is communicated with the first connecting tube, downstream is communicated with the second connecting tube, one absorbing duct is arranged in rock wool layer sound absorption chamber, the upstream extremity of this absorbing duct is communicated with the second connecting tube, downstream is communicated with steam outlet pipe, first dividing plate is evenly provided with three through holes, first dividing plate is fixed with the honeycomb duct that angle of inclination is α, an ash blocking plate is provided with bottom the peripheral wall of considering grey chamber.The utility model can effectively barrier, be separated Mars, ensure silencing apparatus normally work for a long time.
Description
Technical field
The utility model relates to silencer of generator field, particularly a kind of diesel engine silencing apparatus.
Background technique
Containing a large amount of carbon granules in the waste gas that oil plant produces during non-Thorough combustion in engine chamber, this kind of gas of combustion of outlet pipe Long Term Contact, carbon deposit on the inwall causing outlet pipe, these carbon deposits meet high-temperature gas (500 ~ 600 DEG C) the burning formation Mars that motor is discharged, be discharged in the silencing apparatus of engine exhaust pipe tail end with high-temperature gas, damage is caused to the structure of silencing apparatus, affects the using effect of silencing apparatus, shorten the working life of silencing apparatus.The silencing apparatus of current use damages noise elimination structure for preventing Mars from entering silencing apparatus, in the suction port of silencing apparatus, filter screen is set, for stopping, filtering Mars, filter screen increases the resistance of exhaust-gas flow, engine exhaust difficulty, and engine operating efficiency reduces, Mars is constantly accumulated on filter screen simultaneously, remove inconvenient, cause filter screen obstruction, strainability decline, cannot normally work for a long time.
Summary of the invention
The purpose of this utility model is for the deficiencies in the prior art, provides a kind of diesel engine silencing apparatus, can effectively barrier, be separated Mars, ensure silencing apparatus normally work for a long time.
The technical solution of the utility model is: a kind of diesel engine silencing apparatus, comprise columnar suppressor case, longitudinally the first dividing plate is provided with successively in described suppressor case, second partition and the 3rd dividing plate, be expansion noise elimination cavity by suppressor case interior separation, consider grey chamber, resonant silencing chamber and rock wool layer sound absorption chamber, the axial length in the grey chamber of described worry is L, the diameter of considering grey chamber is D, one suction tude is inserted in expansion noise elimination cavity through shell body wall, one steam outlet pipe inserts in rock wool layer sound absorption chamber through shell body wall, described second partition is provided with the first connecting tube and is communicated with the grey chamber of worry and resonant silencing chamber, described 3rd dividing plate is provided with the second connecting tube and is communicated with resonant silencing chamber and rock wool layer sound absorption chamber, one resonantron is arranged in resonant silencing chamber, the upstream extremity of this resonantron is communicated with the first connecting tube, the downstream of this resonantron is communicated with the second connecting tube, one absorbing duct is arranged in rock wool layer sound absorption chamber, the upstream extremity of this absorbing duct is communicated with the second connecting tube, the downstream of this absorbing duct is communicated with steam outlet pipe, described first dividing plate is circumferentially evenly provided with three through holes, on first dividing plate, the position of corresponding three through holes is fixed with the honeycomb duct that angle of inclination is α respectively, axial length L and the grey chamber diameter D of worry in the grey chamber of described worry, honeycomb duct tilt angle alpha meets formula: L=K*tan α * D/3.14, in formula, K is test empirical coefficient, K is 0.7 ~ 0.92, the upstream extremity of described three honeycomb ducts is communicated with expansion noise elimination cavity, the downstream of three honeycomb ducts is arranged in considers grey chamber, make the gas of discharging from honeycomb duct downstream along considering the peripheral wall flowing of grey chamber, an ash blocking plate extended vertically is provided with bottom the peripheral wall in the grey chamber of described worry.
Bottom described silencing apparatus, corresponding housing of considering grey chamber is provided with an ash accumulating chamber, and this ash accumulating chamber communicates with the grey chamber of worry, the front opening of this ash accumulating chamber, and by the second plug sealing.
Be provided with a blowing pipe bottom described expansion noise elimination cavity, the upstream extremity of this blowing pipe passes the front-end face of suppressor case and by the first plug sealing, the downstream of this blowing pipe, through the first dividing plate, is positioned at the top of ash accumulating chamber.
Described through hole is ellipse hole.
Adopt technique scheme: a kind of diesel engine silencing apparatus, comprise columnar suppressor case, the first dividing plate, second partition and the 3rd dividing plate is longitudinally provided with successively in described suppressor case, be expansion noise elimination cavity by suppressor case interior separation, consider grey chamber, resonant silencing chamber and rock wool layer sound absorption chamber, each chamber is eliminated the noise step by step to noise, and soundproof effect is better.The axial length in the grey chamber of described worry is L, and the diameter of considering grey chamber is D, and a suction tude is inserted in expansion noise elimination cavity through shell body wall, and this suction tude is connected with engine exhaust pipe.One steam outlet pipe inserts in rock wool layer sound absorption chamber through shell body wall, and this steam outlet pipe is the outlet pipe of silencing apparatus.Described second partition is provided with the first connecting tube and is communicated with the grey chamber of worry and resonant silencing chamber, described 3rd dividing plate is provided with the second connecting tube and is communicated with resonant silencing chamber and rock wool layer sound absorption chamber, one resonantron is arranged in resonant silencing chamber, the upstream extremity of this resonantron is communicated with the first connecting tube, the downstream of this resonantron is communicated with the second connecting tube, one absorbing duct is arranged in rock wool layer sound absorption chamber, the upstream extremity of this absorbing duct is communicated with the second connecting tube, the downstream of this absorbing duct is communicated with steam outlet pipe, first connecting tube, resonantron, second connecting tube, absorbing duct and steam outlet pipe form an air-flow path.Described first dividing plate is circumferentially evenly provided with three through holes, on first dividing plate, the position of corresponding three through holes is fixed with the honeycomb duct that angle of inclination is α respectively, axial length L and the grey chamber diameter D of worry in the grey chamber of described worry, honeycomb duct tilt angle alpha meets formula: L=K*tan α * D/3.14, in formula, K is test empirical coefficient, K is 0.7 ~ 0.92, the upstream extremity of described three honeycomb ducts is communicated with expansion noise elimination cavity, the downstream of three honeycomb ducts is arranged in considers grey chamber, make the gas of discharging from honeycomb duct downstream along considering the peripheral wall flowing of grey chamber, centrifugal force is produced to Mars, Mars in air-flow is separated from the gas, and against and consider grey chamber peripheral wall and move, an ash blocking plate extended vertically is provided with bottom the peripheral wall in the grey chamber of described worry, against the Mars of considering the peripheral wall movement of grey chamber to be tackled by ash blocking plate, stop the bottom being gathered in and considering grey chamber peripheral wall, air-flow is discharged outside silencing apparatus after entering the first connecting tube process.
Bottom described silencing apparatus, corresponding housing of considering grey chamber is provided with an ash accumulating chamber, this ash accumulating chamber communicates with the grey chamber of worry, the front opening of this ash accumulating chamber, and by the second plug sealing, stop to be gathered in and consider Mars landing bottom grey chamber peripheral wall in ash accumulating chamber, be convenient to concentrate and remove process, avoid Mars to be swept away by air-flow simultaneously and taken out of the grey chamber of worry.
A blowing pipe is provided with bottom described expansion noise elimination cavity, the upstream extremity of this blowing pipe passes the front-end face of suppressor case and by the first plug sealing, the downstream of this blowing pipe, through the first dividing plate, is positioned at the top of ash accumulating chamber, by this blowing pipe, ash accumulating chamber is blown.
Be further described below in conjunction with the drawings and specific embodiments.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the A-A sectional view of Fig. 1;
Fig. 3 is that the B of Fig. 1 is to schematic diagram.
In accompanying drawing, 1 is suppressor case, and 2 is the first dividing plate, and 3 is second partition, 4 is the 3rd dividing plate, and 5 is expansion noise elimination cavity, and 6 for considering grey chamber, and 7 is resonant silencing chamber, 8 is rock wool layer sound absorption chamber, and 9 is suction tude, and 10 is steam outlet pipe, and 11 is the first connecting tube, 12 is the second connecting tube, and 13 is resonantron, and 14 is absorbing duct, and 15 is through hole, 16 is honeycomb duct, and 17 is ash blocking plate, and 18 is ash accumulating chamber, 19 is the second plug, and 20 is blowing pipe, and 21 is the first plug.
Embodiment
See Fig. 1 to Fig. 3, a kind of diesel engine silencing apparatus, comprise columnar suppressor case 1, the first dividing plate 2, second partition 3 and the 3rd dividing plate 4 is longitudinally provided with successively in described suppressor case 1, be expansion noise elimination cavity 5 by suppressor case 1 interior separation, consider the front portion that grey chamber 6, resonant silencing chamber 7 and rock wool layer sound absorption chamber 8, first dividing plate are positioned at silencing apparatus, the 3rd dividing plate is positioned at the rear portion of silencing apparatus, the axial length in the grey chamber 6 of described worry is L, and the diameter of considering grey chamber 6 is D.One suction tude 9 is inserted in expansion noise elimination cavity 5 through shell body wall, and in the present embodiment, this suction tude is arranged on the front-end face of suppressor case, extends vertically, and its upstream extremity is the suction port of silencing apparatus, and its downstream is communicated with expansion noise elimination cavity.One steam outlet pipe 10 inserts in rock wool layer sound absorption chamber 8 through shell body wall, and in the present embodiment, this steam outlet pipe is arranged on the ear end face of suppressor case, extends vertically, and its upstream extremity and the rock wool layer chamber that absorbs sound is communicated with, and its downstream is the air outlet of silencing apparatus.Described second partition 3 is provided with the first connecting tube 11 and is communicated with the grey chamber 6 of worry and resonant silencing chamber 7, first connecting tube extends vertically, described 3rd dividing plate 4 is provided with the second connecting tube 12 and is communicated with resonant silencing chamber 7 and rock wool layer sound absorption chamber 8, second connecting tube extends vertically, and shaft axis and the suppressor case shaft axis of described suction tude, the first connecting tube, the second connecting tube, steam outlet pipe are located on the same line.One resonantron 13 is arranged in resonant silencing chamber 7, the upstream extremity of this resonantron 13 is communicated with the first connecting tube 11, the downstream of this resonantron 13 is communicated with the second connecting tube 12, and described resonantron is made up of inner and outer tubes, and the inner pipe wall of resonantron is provided with some through holes.One absorbing duct 14 is arranged in rock wool layer sound absorption chamber 8, the upstream extremity of this absorbing duct 14 is communicated with the second connecting tube 12, the downstream of this absorbing duct 14 is communicated with steam outlet pipe 10, described absorbing duct is made up of inner and outer tubes, the inner pipe wall of absorbing duct is provided with some through holes, and the through-hole aperture in described absorbing duct on pipe is larger than the aperture of the through hole on pipe in resonantron.Described first dividing plate 2 is circumferentially evenly provided with three through holes 15, these three through holes are slotted eye, on first dividing plate 2, the position of corresponding three through holes 15 is fixed with the honeycomb duct 16 that angle of inclination is α respectively, the projection on the first dividing plate of the shaft axis of these three honeycomb ducts and three through hole central point place circumference tangent, these three honeycomb ducts are oriented counterclockwise on the first dividing plate, in the present embodiment, one of them honeycomb duct is positioned at the top of the first dividing plate, it is the first honeycomb duct, all the other two honeycomb ducts are positioned at both sides, honeycomb duct is downward the second honeycomb duct, honeycomb duct is upward the 3rd honeycomb duct, second, angle between 3rd honeycomb duct and the first honeycomb duct is 120 °.The axial length L in the grey chamber of described worry 6 meets formula with the grey chamber 6 diameter D of worry, honeycomb duct 16 tilt angle alpha: L=K*tan α * D/3.14, and in formula, K is test empirical coefficient, and K is 0.7 ~ 0.92, and in the present embodiment, K value is 0.90.The upstream extremity of described three honeycomb ducts 16 is communicated with expansion noise elimination cavity 5, the downstream of three honeycomb ducts 16 is arranged in considers grey chamber 6, make the gas of discharging from honeycomb duct 16 downstream along considering the peripheral wall flowing of grey chamber 6, be provided with an ash blocking plate extended vertically 17 bottom the peripheral wall in the grey chamber 6 of described worry, this ash blocking plate is near the 3rd honeycomb duct.For ease of the Mars that cleaning is assembled, bottom described silencing apparatus, corresponding housing of considering grey chamber 6 is provided with an ash accumulating chamber 18, this ash accumulating chamber 18 communicates with the grey chamber 6 of worry, the front opening of this ash accumulating chamber 18, and sealed by the second plug 19, be provided with a blowing pipe 20 bottom described expansion noise elimination cavity 5, the upstream extremity of this blowing pipe 20 is passed the front-end face of suppressor case 1 and is sealed by the first plug 21, the downstream of this blowing pipe 20, through the first dividing plate 2, is positioned at the top of ash accumulating chamber 18.
The utility model in use, the suction tude of silencing apparatus is connected with engine flange, waste gas enters expansion noise elimination cavity from suction tude, waste expansion is eliminated the noise, then waste gas is entered by three honeycomb ducts and considers grey chamber, because honeycomb duct has angle of inclination, waste gas flows out towards the peripheral wall of considering grey chamber, and circumferentially wall counterclockwise flow, the Mars carried secretly in waste gas againsts peripheral wall under the influence of centrifugal force and moves, retained by ash blocking plate, landing is in the ash accumulating chamber of bottom of considering grey chamber, waste gas enters in resonantron through the first connecting tube, in resonantron after resonant silencing, enter in absorbing duct through the second connecting tube and absorb sound, silencing apparatus is discharged finally by steam outlet pipe.
Claims (4)
1. a diesel engine silencing apparatus, comprise columnar suppressor case (1), it is characterized in that: in described suppressor case (1), be longitudinally provided with the first dividing plate (2) successively, second partition (3) and the 3rd dividing plate (4), be expansion noise elimination cavity (5) by suppressor case (1) interior separation, consider grey chamber (6), resonant silencing chamber (7) and rock wool layer sound absorption chamber (8), the axial length in the grey chamber of described worry (6) is L, the diameter of considering grey chamber (6) is D, one suction tude (9) is inserted in expansion noise elimination cavity (5) through shell body wall, one steam outlet pipe (10) inserts in rock wool layer sound absorption chamber (8) through shell body wall, described second partition (3) is provided with the first connecting tube (11) and is communicated with the grey chamber of worry (6) and resonant silencing chamber (7), described 3rd dividing plate (4) is provided with the second connecting tube (12) and is communicated with resonant silencing chamber (7) and rock wool layer sound absorption chamber (8), one resonantron (13) is arranged in resonant silencing chamber (7), the upstream extremity of this resonantron (13) is communicated with the first connecting tube (11), the downstream of this resonantron (13) is communicated with the second connecting tube (12), one absorbing duct (14) is arranged in rock wool layer sound absorption chamber (8), the upstream extremity of this absorbing duct (14) is communicated with the second connecting tube (12), the downstream of this absorbing duct (14) is communicated with steam outlet pipe (10), described first dividing plate (2) is circumferentially evenly provided with three through holes (15), the position of upper corresponding three through holes (15) of the first dividing plate (2) is fixed with the honeycomb duct (16) that angle of inclination is α respectively, axial length L and worry grey chamber (6) the diameter D in the grey chamber of described worry (6), honeycomb duct (16) tilt angle alpha meets formula: L=K*tan α * D/3.14, in formula, K is test empirical coefficient, K is 0.7 ~ 0.92, the upstream extremity of described three honeycomb ducts (16) is communicated with expansion noise elimination cavity (5), the downstream of three honeycomb ducts (16) is arranged in considers grey chamber (6), make the gas of discharging from honeycomb duct (16) downstream along considering the flowing of grey chamber (6) peripheral wall, an ash blocking plate extended vertically (17) is provided with bottom the peripheral wall in the grey chamber of described worry (6).
2. diesel engine silencing apparatus according to claim 1, it is characterized in that: bottom described silencing apparatus, corresponding housing of considering grey chamber (6) is provided with an ash accumulating chamber (18), this ash accumulating chamber (18) communicates with the grey chamber of worry (6), the front opening of this ash accumulating chamber (18), and by the second plug (19) sealing.
3. diesel engine silencing apparatus according to claim 1, it is characterized in that: described expansion noise elimination cavity (5) bottom is provided with a blowing pipe (20), the upstream extremity of this blowing pipe (20) is passed the front-end face of suppressor case (1) and is sealed by the first plug (21), the downstream of this blowing pipe (20), through the first dividing plate (2), is positioned at the top of ash accumulating chamber (18).
4. diesel engine silencing apparatus according to claim 1, is characterized in that: described through hole (15) is ellipse hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420803820.XU CN204312163U (en) | 2014-12-18 | 2014-12-18 | Diesel engine silencing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420803820.XU CN204312163U (en) | 2014-12-18 | 2014-12-18 | Diesel engine silencing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204312163U true CN204312163U (en) | 2015-05-06 |
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ID=53134484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420803820.XU Expired - Fee Related CN204312163U (en) | 2014-12-18 | 2014-12-18 | Diesel engine silencing apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204312163U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105863784A (en) * | 2016-05-06 | 2016-08-17 | 隆鑫通用动力股份有限公司 | Enhancement type silencer |
| CN107762593A (en) * | 2017-12-01 | 2018-03-06 | 南通中船机械制造有限公司 | Mars extinguishes muffler |
| CN109272979A (en) * | 2017-07-17 | 2019-01-25 | 浙江盾安机械有限公司 | Muffler and preparation method thereof |
| CN110344922A (en) * | 2019-08-01 | 2019-10-18 | 浙江创格科技有限公司 | A kind of water jacket gas exhaust pipe used for diesel engine |
-
2014
- 2014-12-18 CN CN201420803820.XU patent/CN204312163U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105863784A (en) * | 2016-05-06 | 2016-08-17 | 隆鑫通用动力股份有限公司 | Enhancement type silencer |
| CN105863784B (en) * | 2016-05-06 | 2019-02-15 | 隆鑫通用动力股份有限公司 | Enhanced silencer |
| CN109272979A (en) * | 2017-07-17 | 2019-01-25 | 浙江盾安机械有限公司 | Muffler and preparation method thereof |
| CN107762593A (en) * | 2017-12-01 | 2018-03-06 | 南通中船机械制造有限公司 | Mars extinguishes muffler |
| CN110344922A (en) * | 2019-08-01 | 2019-10-18 | 浙江创格科技有限公司 | A kind of water jacket gas exhaust pipe used for diesel engine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150506 Termination date: 20151218 |
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| EXPY | Termination of patent right or utility model |