CN204436529U - A kind of diesel generating set smoke-ejecting pipe silencing apparatus - Google Patents
A kind of diesel generating set smoke-ejecting pipe silencing apparatus Download PDFInfo
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- CN204436529U CN204436529U CN201520022713.8U CN201520022713U CN204436529U CN 204436529 U CN204436529 U CN 204436529U CN 201520022713 U CN201520022713 U CN 201520022713U CN 204436529 U CN204436529 U CN 204436529U
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- anechoic chamber
- pipe
- smoke
- noise reduction
- generating set
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Abstract
The utility model discloses a kind of diesel generating set smoke-ejecting pipe silencing apparatus, it mainly comprises noise reduction cylindrical shell, smoke-intake pipe, pipe, noise reduction cylinder body outer wall is carbon steel shell, inwall is rock wool, the inside of noise reduction cylindrical shell is divided into four parts, and certainly parting on the right side from a left side is not the first anechoic chamber, the second anechoic chamber, the 3rd anechoic chamber, the 4th anechoic chamber.The beneficial effects of the utility model have: 1 flue gas is successively through four anechoic chambers, 4 the first core pipes and 4 the second core pipes are set simultaneously, the regulating action of multi-chamber and multi-core pipe effectively can reduce the percussion of high temperature and high pressure flue gas stream, and increase flow of flue gas distance, noise reduction is obvious simultaneously; Be provided with expanded bore, the airspeed of waste gas streams in aperture increases, and the gas viscosity effect in aperture strengthens, and the sound wave between core pipe is mutually interfered and cut down, and reaches the effect of noise reduction; 3rd anechoic chamber's inwall is provided with a circle ultra-fine fibre glass, absorbs medium-high frequency noise.
Description
Technical field
The utility model relates to a kind of silencing apparatus, and particularly a kind of diesel generating set smoke-ejecting pipe silencing apparatus, belongs to field of electromechanical equipment.
Background technique
Diesel generating set is a kind of small power generation equipment, and meaning with diesel oil etc. for fuel, take diesel engine as the dynamic power machine of prime mover drive electrical generators generating.Be a kind ofly to start rapidly, operation and maintenance convenience, little investment, the electricity generating device stronger to the conformability of environment.Diesel generating set in use noise is comparatively large, and noise comprises: mechanical noise, fan noise, combustion noise that the friction of each running element, impact produce, induction noise, smoke evacuation noise etc.
Now generally silencing apparatus is used in the method reducing smoke evacuation noise, the kind of silencing apparatus is a lot, study carefully its noise elimination mechanism, they can be divided into dissipative muffler, reactive muffler, impedance composite muffler, micropunch plate muffler, micropole diffusor and active silencer six type.At present, impedance composite muffler is most widely used, and its principle is exactly by allowing waste gas cut pressure through the baffle plate of porous step by step and sound wave is mutually interfered and reached sqouynd absorption lowering noise effect.But the conditions such as the overall overall sizes of existing silencing apparatus and intake and exhaust position are but subject to the serious restriction of complete machine body.
Summary of the invention
The technical problems to be solved in the utility model, be to provide a kind of diesel generating set smoke-ejecting pipe silencing apparatus, this acoustic wave filter structure is simply compact, reasonable in design, moderate cost, effectively can either cut down the exhaust sound of motor, can take into account again the diesel engine multi-cavity type silencing apparatus reducing back pressure.
The utility model is realized by following proposal: a kind of diesel generating set smoke-ejecting pipe silencing apparatus, it mainly comprises noise reduction cylindrical shell, smoke-intake pipe, pipe, described noise reduction cylinder body outer wall is carbon steel shell, inwall is rock wool, the inside of described noise reduction cylindrical shell is divided into four parts, certainly parting on the right side from a left side is not the first anechoic chamber, second anechoic chamber, 3rd anechoic chamber, 4th anechoic chamber, flue gas is through four anechoic chambers, remove high frequency noise, it is inner that described smoke-intake pipe extends to described first anechoic chamber, the part of described smoke-intake pipe in described first anechoic chamber is provided with expanded bore, the airspeed of waste gas streams in aperture increases, gas viscosity effect in aperture strengthens, front dividing plate is provided with between described second anechoic chamber and described first anechoic chamber, described second inside, anechoic chamber is provided with the first core pipe, central diaphragm is provided with between described 3rd anechoic chamber and described second anechoic chamber, the inwall of described 3rd anechoic chamber is provided with ultra-fine fibre glass, absorb medium-high frequency noise, rear bulkhead is provided with between described 4th anechoic chamber and described 3rd anechoic chamber, the second core pipe is provided with in described 4th anechoic chamber, the percussion of high temperature and high pressure flue gas stream effectively can be reduced by the regulating action arranging four anechoic chambers and multiple core pipe, increase flow of flue gas distance simultaneously, noise reduction is obvious, described pipe is connected behind described 4th anechoic chamber.
The import of described smoke-intake pipe is provided with smoke-intake pipe flange, is connected with the smoke-ejecting pipe of motor by described smoke-intake pipe flange.
The outlet of described pipe is provided with pipe flange, is connected with the smoke pipe entering air by described pipe flange.
The first core pipe in described second anechoic chamber is provided with 4.
The second core pipe in described 4th anechoic chamber is provided with 4.
The beneficial effects of the utility model are:
1, when a kind of diesel generating set smoke-ejecting pipe of the utility model silencing apparatus runs, flue gas successively through the first anechoic chamber, the second anechoic chamber, the 3rd anechoic chamber, the 4th anechoic chamber, 4 the first core pipes and 4 the second core pipes are set simultaneously, the regulating action of multi-chamber and multi-core pipe effectively can reduce the percussion of high temperature and high pressure flue gas stream, increase flow of flue gas distance, noise reduction is obvious simultaneously;
The core pipe of 2, a kind of diesel generating set smoke-ejecting pipe of the utility model is provided with expanded bore, and the airspeed of waste gas streams in aperture increases, and the gas viscosity effect in aperture strengthens, and the sound wave between core pipe is mutually interfered and cut down, and reaches the effect of noise reduction;
3, the 3rd anechoic chamber's inwall of a kind of diesel generating set smoke-ejecting pipe of the utility model silencing apparatus is provided with a circle ultra-fine fibre glass, absorbs medium-high frequency noise.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of diesel generating set smoke-ejecting pipe of the utility model silencing apparatus;
Fig. 2 is second anechoic chamber's cross-sectional view of a kind of diesel generating set smoke-ejecting pipe of the utility model silencing apparatus;
Fig. 3 is the 4th anechoic chamber's cross-sectional view of a kind of diesel generating set smoke-ejecting pipe of the utility model silencing apparatus;
In figure: 1 is noise reduction cylindrical shell, and 2 is smoke-intake pipe, and 3 is pipe, 4 is carbon steel shell, and 5 is rock wool, and 6 is the first anechoic chamber, 7 is the second anechoic chamber, and 8 is the 3rd anechoic chamber, and 9 is the 4th anechoic chamber, 10 is expanded bore, and 11 is front dividing plate, and 12 is the first core pipe, 13 is central diaphragm, and 14 is ultra-fine fibre glass, and 15 is rear bulkhead, 16 is the second core pipe, and 17 is smoke-intake pipe flange, and 18 is pipe flange.
Embodiment
Further illustrate below in conjunction with Fig. 1-3 pairs of the utility model:
A kind of diesel generating set smoke-ejecting pipe silencing apparatus, it mainly comprises noise reduction cylindrical shell 1, smoke-intake pipe 2, pipe 3, noise reduction cylindrical shell 1 outer wall is carbon steel shell 4, inwall is rock wool 5, the inside of noise reduction cylindrical shell 1 is divided into four parts, certainly parting on the right side from a left side is not the first anechoic chamber 6, second anechoic chamber 7, 3rd anechoic chamber 8, 4th anechoic chamber 9, flue gas is through four anechoic chambers, remove high frequency noise, it is inner that smoke-intake pipe 2 extends to the first anechoic chamber 6, the part of smoke-intake pipe 2 in the first anechoic chamber 6 is provided with expanded bore 10, the airspeed of waste gas streams in aperture increases, gas viscosity effect in aperture strengthens, front dividing plate 11 is provided with between second anechoic chamber 7 and the first anechoic chamber 6, second inside, anechoic chamber 7 is provided with the first core pipe 12, central diaphragm 13 is provided with between 3rd anechoic chamber 8 and the second anechoic chamber 7, the inwall of the 3rd anechoic chamber 8 is provided with ultra-fine fibre glass 14, absorb medium-high frequency noise, rear bulkhead 15 is provided with between 4th anechoic chamber 9 and the 3rd anechoic chamber 8, the second core pipe 16 is provided with in 4th anechoic chamber 9, the percussion of high temperature and high pressure flue gas stream effectively can be reduced by the regulating action arranging four anechoic chambers and multiple core pipe, increase flow of flue gas distance simultaneously, noise reduction is obvious, pipe 3 is connected behind 4th anechoic chamber 9, the import of smoke-intake pipe 2 is provided with smoke-intake pipe flange 17, be connected with the smoke-ejecting pipe of motor by smoke-intake pipe flange 17, the outlet of pipe 3 is provided with pipe flange 18, be connected with the smoke pipe entering air by pipe flange 18, the first core pipe 12 in second anechoic chamber 7 is provided with 4, the second core pipe 16 in 4th anechoic chamber 9 is provided with 4.
Although done comparatively detailed elaboration to the technical solution of the utility model and enumerated; be to be understood that; to those skilled in the art; amendment is made to above-described embodiment or adopts equivalent replacement scheme; this is apparent to those skilled in the art; these modifications or improvements on the basis of not departing from the utility model spirit, all belong to the scope that the utility model is claimed.
Claims (5)
1. a diesel generating set smoke-ejecting pipe silencing apparatus, it mainly comprises noise reduction cylindrical shell (1), smoke-intake pipe (2), pipe (3), it is characterized in that: described noise reduction cylindrical shell (1) outer wall is carbon steel shell (4), inwall is rock wool (5), the inside of described noise reduction cylindrical shell (1) is divided into four parts, certainly parting on the right side from a left side is not the first anechoic chamber (6), second anechoic chamber (7), 3rd anechoic chamber (8), 4th anechoic chamber (9), it is inner that described smoke-intake pipe (2) extends to described first anechoic chamber (6), the part of described smoke-intake pipe (2) in described first anechoic chamber (6) is provided with expanded bore (10), front dividing plate (11) is provided with between described second anechoic chamber (7) and described first anechoic chamber (6), described second anechoic chamber (7) inside is provided with the first core pipe (12), central diaphragm (13) is provided with between described 3rd anechoic chamber (8) and described second anechoic chamber (7), the inwall of described 3rd anechoic chamber (8) is provided with ultra-fine fibre glass (14), rear bulkhead (15) is provided with between described 4th anechoic chamber (9) and described 3rd anechoic chamber (8), the second core pipe (16) is provided with in described 4th anechoic chamber (9), described 4th anechoic chamber (9) connects described pipe (3) afterwards.
2. a kind of diesel generating set smoke-ejecting pipe silencing apparatus according to claim 1, is characterized in that: the import of described smoke-intake pipe (2) is provided with smoke-intake pipe flange (17).
3. a kind of diesel generating set smoke-ejecting pipe silencing apparatus according to claim 1, is characterized in that: the outlet of described pipe (3) is provided with pipe flange (18).
4. a kind of diesel generating set smoke-ejecting pipe silencing apparatus according to claim 1, is characterized in that: the first core pipe (12) in described second anechoic chamber (7) is provided with 4.
5. a kind of diesel generating set smoke-ejecting pipe silencing apparatus according to claim 1, is characterized in that: the second core pipe (16) in described 4th anechoic chamber (9) is provided with 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520022713.8U CN204436529U (en) | 2015-01-14 | 2015-01-14 | A kind of diesel generating set smoke-ejecting pipe silencing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520022713.8U CN204436529U (en) | 2015-01-14 | 2015-01-14 | A kind of diesel generating set smoke-ejecting pipe silencing apparatus |
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| Publication Number | Publication Date |
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| CN204436529U true CN204436529U (en) | 2015-07-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520022713.8U Expired - Fee Related CN204436529U (en) | 2015-01-14 | 2015-01-14 | A kind of diesel generating set smoke-ejecting pipe silencing apparatus |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106014545A (en) * | 2016-06-30 | 2016-10-12 | 泉州市知产茂业工业设计有限公司 | Novel silencer for engine |
| CN109184901A (en) * | 2018-09-13 | 2019-01-11 | 湖北谊立舜达动力科技有限公司 | A kind of Dual-cylinder wind cooling medium-sized super-silent diesel generating set |
| CN109899131A (en) * | 2019-04-24 | 2019-06-18 | 济南吉美乐电源技术有限公司 | A kind of high reliable plate-type silencer |
| CN112814762A (en) * | 2019-11-15 | 2021-05-18 | 长沙贝尔环保股份有限公司 | Full-band noise silencer |
-
2015
- 2015-01-14 CN CN201520022713.8U patent/CN204436529U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106014545A (en) * | 2016-06-30 | 2016-10-12 | 泉州市知产茂业工业设计有限公司 | Novel silencer for engine |
| CN106014545B (en) * | 2016-06-30 | 2019-09-24 | 泉州市知产茂业工业设计有限公司 | A kind of engine muffler |
| CN109184901A (en) * | 2018-09-13 | 2019-01-11 | 湖北谊立舜达动力科技有限公司 | A kind of Dual-cylinder wind cooling medium-sized super-silent diesel generating set |
| CN109899131A (en) * | 2019-04-24 | 2019-06-18 | 济南吉美乐电源技术有限公司 | A kind of high reliable plate-type silencer |
| CN109899131B (en) * | 2019-04-24 | 2023-11-03 | 济南吉美乐电源技术有限公司 | High-reliability plate-type muffler |
| CN112814762A (en) * | 2019-11-15 | 2021-05-18 | 长沙贝尔环保股份有限公司 | Full-band noise silencer |
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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: 20150701 Termination date: 20160114 |