CN217582271U - Silencer for generator set - Google Patents
Silencer for generator set Download PDFInfo
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- CN217582271U CN217582271U CN202220829680.8U CN202220829680U CN217582271U CN 217582271 U CN217582271 U CN 217582271U CN 202220829680 U CN202220829680 U CN 202220829680U CN 217582271 U CN217582271 U CN 217582271U
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- partition plate
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- air outlet
- silencer
- end cover
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Abstract
The utility model discloses a silencer for a generator set, which comprises a silencer shell, wherein the silencer shell comprises a cylinder body, a left end cover and a right end cover which are fixedly arranged at two ends of the cylinder body; a first partition plate, a second partition plate, a third partition plate and a fourth partition plate are fixedly arranged in the cylinder in sequence, and the interior of the cylinder is divided into a first expansion cavity, a fire extinguishing cavity, a second expansion cavity, an air outlet cavity and a resonant cavity; the left end cover is fixedly provided with an air inlet pipe, the right end cover is fixedly provided with an air outlet pipe, the end part of the air outlet pipe penetrates through the fourth partition plate and extends to the air outlet cavity, and the part of the air outlet pipe, which is positioned in the air outlet cavity, is provided with air outlet holes; a plurality of expansion pipes are fixedly arranged between the third partition plate and the fourth partition plate, and air holes are distributed on the expansion pipes; a fire extinguishing assembly is arranged in the fire extinguishing cavity; and the fourth partition plate is provided with a resonance tube in a distributed manner, and two ends of the resonance tube are respectively positioned in the gas outlet cavity and the resonance cavity. This silencer for generating set has can extinguish the spark, reduces the backpressure, advantage that noise cancelling effect is good.
Description
Technical Field
The utility model relates to a generating set silencer technical field especially relates to a silencer for generating set.
Background
At present, in a noise source of a generator set, exhaust noise is pulsating airflow noise with high temperature and high speed, is the largest part of engine noise in energy, and is also the most main component in total engine noise.
The tail gas that the diesel engine discharged and takes the spark all contains great granule ashes, has caused the silencer to block up easily for a long time, if diesel generating set uses in oil field well drilling construction environment, the tail gas that takes the spark causes the explosion accident easily to take place, so current silencer can't satisfy the demand. At present pack the fire prevention cotton in the silencer, the cotton parcel of fire prevention contains the trachea of air current flow hole, and the spark adsorbs the function that reaches the fire extinguishing star on the fire prevention cotton, but the fire prevention cotton has occupied most space, not only influences the exhaust, causes exhaust resistance and backpressure to increase, and the cotton cost of fire prevention is with high costs in addition, has directly increased the cost of silencer.
Disclosure of Invention
To the not enough of above-mentioned prior art, the technical problem that this patent application will solve how to provide one kind can extinguish the spark, reduces the backpressure, the silencer for generating set that noise cancelling effect is good.
In order to solve the technical problem, the utility model discloses a following technical scheme:
a silencer for a generator set comprises a silencer shell, wherein the silencer shell comprises a cylinder body, a left end cover and a right end cover, wherein the left end cover and the right end cover are fixedly arranged at two ends of the cylinder body;
a first partition plate, a second partition plate, a third partition plate and a fourth partition plate are fixedly arranged in the cylinder body in sequence, and the first partition plate, the second partition plate, the third partition plate and the fourth partition plate divide the interior of the cylinder body into a first expansion cavity, a fire extinguishing cavity, a second expansion cavity, an air outlet cavity and a resonant cavity;
the left end cover is fixedly provided with an air inlet pipe, the end part of the air inlet pipe extends to the first expansion cavity, the right end cover is fixedly provided with an air outlet pipe, the end part of the air outlet pipe penetrates through the fourth partition plate and extends to the air outlet cavity, and the part of the air outlet pipe positioned in the air outlet cavity is provided with air outlet holes;
a plurality of expansion pipes are fixedly arranged between the third partition plate and the fourth partition plate, and air holes are distributed in the expansion pipes; a fire extinguishing assembly is arranged in the fire extinguishing cavity; and resonance tubes are distributed and mounted on the fourth partition plate, and two ends of each resonance tube are respectively positioned in the gas outlet cavity and the resonance cavity.
Like this, the intake pipe passes through the flange and is connected with the blast pipe of diesel engine, diesel engine exhaust waste gas passes through the intake pipe and gets into first expansion chamber, carry out the inflation noise elimination, later go into the chamber of putting out a fire behind the first baffle, after the spark is put out a fire through the subassembly of putting out a fire, some waste gas passes through the expansion pipe and gets into the chamber of giving out a fire and carry out the inflation noise elimination, the waste gas of inflation noise elimination passes through the expansion pipe and gets into the chamber of giving out a fire and discharges, some waste gas passes through resonance pipe and gets into the resonant cavity and carry out the resonance noise elimination, then flow back to the chamber of giving out a fire, carry out further noise elimination, discharge through the outlet duct at last, the outlet duct has the pipe of discharging fume through the flange to the external connection.
The fire extinguishing assembly comprises fire extinguishing cotton fixedly mounted on the inner wall of the fire extinguishing cavity, air holes are distributed in the first partition plate, the axis of the air holes is obliquely arranged along the same direction, and the air holes are used for guiding waste gas. Waste gas in the first inflation intracavity enters the chamber of putting out a fire through the gas pocket on the first baffle, crosses the slope of gas pocket axis and sets up for waste gas through the gas pocket is rotatory flow, and the cotton contact of putting out a fire on waste gas and the inner wall in chamber of putting out a fire puts out a fire, need not the face of putting out a fire and fills whole chamber of putting out a fire, reduction backpressure that can be better.
The end part of the air inlet pipe, which is positioned in the first expansion cavity, is internally and fixedly provided with gas guide blades which are distributed at intervals. The waste gas that gets into first inflation chamber is led, forms preliminary rotatory flow, and the waste gas that accelerates that can be faster passes through first baffle, reduces the backpressure, improves the mobility of waste gas.
Wherein, the lateral wall fixed mounting who goes out the air cavity has the sound of inhaling cotton. Further improving the silencing effect.
The air inlet pipe is characterized in that an air inlet flange is arranged at the extending end of the air inlet pipe, and an air outlet flange is arranged at the extending end of the air outlet pipe. The air inlet flange is connected with an exhaust pipe of the diesel engine, and the air outlet flange is connected with a smoke exhaust pipe.
To sum up, this silencer for generating set has can extinguish spark, reduces the backpressure, advantage that noise cancelling effect is good.
Drawings
Fig. 1 is a schematic structural view of a silencer for a generator set according to the present invention.
Fig. 2 is a front view of fig. 1.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings. In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "upper, lower" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
As shown in fig. 1-2, a silencer for a generator set comprises a silencer shell, wherein the silencer shell comprises a cylinder body 1, and a left end cover 2 and a right end cover 3 which are fixedly arranged at two ends of the cylinder body;
a first partition plate 4, a second partition plate 5, a third partition plate 6 and a fourth partition plate 7 are fixedly installed in the cylinder body in sequence, and the first partition plate, the second partition plate, the third partition plate and the fourth partition plate divide the interior of the cylinder body into a first expansion cavity 11, a fire extinguishing cavity 12, a second expansion cavity 13, an air outlet cavity 14 and a resonant cavity 15;
the left end cover is fixedly provided with an air inlet pipe 21, the end part of the air inlet pipe extends to the first expansion cavity, the right end cover is fixedly provided with an air outlet pipe 22, the end part of the air outlet pipe passes through the fourth partition plate and extends to the air outlet cavity, and the part of the air outlet pipe positioned in the air outlet cavity is provided with air outlet holes;
a plurality of expansion pipes 23 are fixedly arranged between the third partition plate and the fourth partition plate, and air holes are distributed on the expansion pipes; a fire extinguishing assembly is arranged in the fire extinguishing cavity; and resonance tubes 24 are distributed and mounted on the fourth partition plate, and two ends of each resonance tube are respectively positioned in the gas outlet cavity and the resonance cavity.
Like this, the intake pipe passes through the flange and is connected with the blast pipe of diesel engine, diesel engine exhaust waste gas passes through the intake pipe and gets into first expansion chamber, carry out the inflation noise elimination, later go into the chamber of putting out a fire behind the first baffle, after the spark is put out a fire through the subassembly of putting out a fire, some waste gas passes through the expansion pipe and gets into the chamber of giving out a fire and carry out the inflation noise elimination, the waste gas of inflation noise elimination passes through the expansion pipe and gets into the chamber of giving out a fire and discharges, some waste gas passes through resonance pipe and gets into the resonant cavity and carry out the resonance noise elimination, then flow back to the chamber of giving out a fire, carry out further noise elimination, discharge through the outlet duct at last, the outlet duct has the pipe of discharging fume through the flange to the external connection.
In this embodiment, the subassembly of putting out a fire includes the cotton 31 of putting out a fire of fixed mounting on the inner wall in chamber of putting out a fire, it is provided with air vent 32 to distribute on the first baffle, the axis of air vent sets up along same direction slope, it is used for leading waste gas to cross the air vent. Waste gas in the first inflation intracavity enters the chamber of putting out a fire through the gas pocket on the first baffle, crosses the slope of gas pocket axis and sets up for waste gas through the gas pocket is rotatory flow, and the cotton contact of putting out a fire on waste gas and the inner wall in chamber of putting out a fire puts out a fire, need not the face of putting out a fire and fills whole chamber of putting out a fire, reduction backpressure that can be better.
In this embodiment, the end of the air inlet pipe located in the first expansion cavity is inwardly and fixedly provided with air guide vanes 33 which are distributed at intervals. The waste gas that gets into first expansion chamber leads, forms preliminary rotatory flow, and the acceleration waste gas that can be faster passes through first baffle, reduces the backpressure, improves the mobility of waste gas. The rotating direction of the waste gas after passing through the air inlet pipe is the same as that of the waste gas after passing through the air holes in the first partition plate, so that the waste gas can pass through the air holes quickly.
In this embodiment, the side wall of the air outlet cavity is fixedly provided with sound absorbing cotton 34. Further improving the silencing effect.
In this embodiment, the overhanging end of the air inlet pipe is provided with an air inlet flange, and the overhanging end of the air outlet pipe is provided with an air outlet flange. The air inlet flange is connected with an exhaust pipe of the diesel engine, and the air outlet flange is connected with a smoke exhaust pipe.
The principle is as follows:
the intake pipe passes through the flange and is connected with the blast pipe of diesel engine, diesel engine exhaust waste gas passes through the intake pipe and gets into first expansion chamber, carry out the inflation noise elimination, later go into the chamber of putting out a fire behind the first baffle, after the spark is put out a fire through the subassembly of putting out a fire, partial waste gas passes through the expansion pipe and gets into out the gas chamber through the expansion pipe and carry out the inflation noise elimination, the waste gas that the inflation noise elimination passes through the expansion pipe and gets into out the gas chamber, partial waste gas passes through outlet duct discharge, partial waste gas gets into the resonant cavity through the resonance pipe and carries out the resonance noise elimination, then flow back to going out the gas chamber, carry out further noise elimination, discharge through the outlet duct at last, the outlet duct has the pipe of discharging fume through the flange external connection.
Finally, it should be noted that: various modifications and alterations of this invention may be made by those skilled in the art without departing from the spirit and scope of this invention. Thus, to the extent that such modifications and variations of the present invention fall within the scope of the present claims and their equivalents, it is intended that the present invention encompass such modifications and variations as well.
Claims (5)
1. A silencer for a generator set is characterized by comprising a silencer shell, wherein the silencer shell comprises a cylinder body (1), a left end cover (2) and a right end cover (3), wherein the left end cover and the right end cover are fixedly arranged at two ends of the cylinder body (1);
a first partition plate (4), a second partition plate (5), a third partition plate (6) and a fourth partition plate (7) are fixedly installed in the cylinder body (1) in sequence, and the first partition plate (4), the second partition plate (5), the third partition plate (6) and the fourth partition plate (7) divide the interior of the cylinder body into a first expansion cavity (11), a fire extinguishing cavity (12), a second expansion cavity (13), an air outlet cavity (14) and a resonant cavity (15);
an air inlet pipe (21) is fixedly installed on the left end cover (2), the end part of the air inlet pipe (21) extends to the first expansion cavity (11), an air outlet pipe (22) is fixedly installed on the right end cover (3), the end part of the air outlet pipe (22) penetrates through the fourth partition plate (7) to extend to the air outlet cavity (14), and air outlet holes are distributed in the part, located in the air outlet cavity (14), of the air outlet pipe (22);
a plurality of expansion pipes (23) are fixedly arranged between the third partition plate (6) and the fourth partition plate (7), and air holes are distributed on the expansion pipes (23); a fire extinguishing assembly is arranged in the fire extinguishing cavity (12); and the fourth partition plate (7) is provided with a resonance tube (24) in a distributed manner, and two ends of the resonance tube (24) are respectively positioned in the gas outlet cavity (14) and the resonance cavity (15).
2. A silencer for a generator set according to claim 1, characterized in that the fire extinguishing assembly includes a fire extinguishing cotton (31) fixedly installed on the inner wall of the fire extinguishing chamber (12), air passing holes (32) are distributed on the first partition plate (4), the axes of the air passing holes (32) are obliquely arranged along the same direction, and the air passing holes (32) are used for guiding exhaust gas.
3. A silencer for a generator set according to claim 2, characterized in that the gas inlet pipe (21) is provided with gas guide vanes (33) which are arranged at intervals and fixedly arranged inwards at the end part of the first expansion cavity (11).
4. A silencer for generator set according to claim 1, characterized in that the side wall of the outlet cavity (14) is fixedly provided with sound-absorbing cotton (24).
5. A silencer for a generator set according to claim 1, characterized in that the overhanging end of the inlet pipe (21) is provided with an inlet flange and the overhanging end of the outlet pipe (22) is provided with an outlet flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220829680.8U CN217582271U (en) | 2022-04-12 | 2022-04-12 | Silencer for generator set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220829680.8U CN217582271U (en) | 2022-04-12 | 2022-04-12 | Silencer for generator set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217582271U true CN217582271U (en) | 2022-10-14 |
Family
ID=83541769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220829680.8U Active CN217582271U (en) | 2022-04-12 | 2022-04-12 | Silencer for generator set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217582271U (en) |
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2022
- 2022-04-12 CN CN202220829680.8U patent/CN217582271U/en active Active
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