CN206376921U - A kind of rosonator for being exclusively used in diesel engine - Google Patents
A kind of rosonator for being exclusively used in diesel engine Download PDFInfo
- Publication number
- CN206376921U CN206376921U CN201720092753.9U CN201720092753U CN206376921U CN 206376921 U CN206376921 U CN 206376921U CN 201720092753 U CN201720092753 U CN 201720092753U CN 206376921 U CN206376921 U CN 206376921U
- Authority
- CN
- China
- Prior art keywords
- insertion tube
- steel pipe
- seamless steel
- end cap
- rosonator
- 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.)
- Expired - Fee Related
Links
- 238000003780 insertion Methods 0.000 claims abstract description 66
- 230000037431 insertion Effects 0.000 claims abstract description 66
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 64
- 239000010959 steel Substances 0.000 claims abstract description 64
- 230000003584 silencer Effects 0.000 claims abstract description 18
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 14
- 239000010935 stainless steel Substances 0.000 claims abstract description 14
- 229920000298 Cellophane Polymers 0.000 claims abstract description 13
- 239000011490 mineral wool Substances 0.000 claims abstract description 12
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 5
- 239000011521 glass Substances 0.000 description 3
- 229920000742 Cotton Polymers 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000011491 glass wool Substances 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000011086 glassine Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
Landscapes
- Exhaust Silencers (AREA)
Abstract
The utility model belongs to silencer technical field, discloses a kind of rosonator for being exclusively used in diesel engine, for solving the problem of existing diesel gas outlet noise is big.The utility model includes seamless steel pipe, the end cap for being provided at both ends with arc of the seamless steel pipe, insertion tube is arranged with the seamless steel pipe, the two ends of the insertion tube both pass through end cap, wherein one end traversing through end cap of insertion tube and connected with the gas outlet of mounted silencer, the other end traversing through end cap of insertion tube is used as exhaust outlet, the dividing plate of two pieces of ring-types is provided with the seamless steel pipe, the dividing plate, the outer wall of insertion tube and the inwall formation noise reduction cavity of seamless steel pipe, the through hole intercommunicated with noise reduction cavity body phase is offered on the tube wall of the insertion tube, the noise reduction cavity is disposed with stainless steel steel screen layer along from contact insertion tube to the direction of contact seamless steel pipe, cellophane layer and mineral wool layer.
Description
Technical field
The utility model belongs to silencer technical field, and in particular to a kind of rosonator for being exclusively used in diesel engine, uses
Noise elimination processing in diesel exhaust gas mouthful and other equipment.
Background technology
By the diesel exhaust gas mouthful noise spectrum of collection in worksite, analysis is understood, under diesel engine rated speed, diesel engine
The noise of exhaust outlet reaches 91dB, and existing exhaust silencer can control low-frequency noise in reasonable level, but middle height
It is frequent to have higher noise.
Utility model content
The utility model provides a kind of diesel engine that is exclusively used in solve the problem of existing diesel exhaust noise is big
Rosonator, can eliminate the high-frequency noises of diesel engine, meet the demand of environmental protection；This practicality simultaneously is newly that a kind of auxiliary disappears
Sound device, in the case where being changed without using silencer, by adding a rosonator, reaches the demand of noise reduction, to greatest extent
The utilization rate of silencer installed of raising, while reducing the cost of transformation.
To solve technical problem, the technical scheme that the utility model is used is：
A kind of rosonator for being exclusively used in diesel engine, it is characterised in that including seamless steel pipe, the two of the seamless steel pipe
End is provided with the end cap of arc, the seamless steel pipe and is arranged with insertion tube, and the two ends of the insertion tube both pass through end cap, wherein
One end traversing through end cap of insertion tube is simultaneously connected with the gas outlet of mounted silencer, the other end traversing through end cap conduct of insertion tube
It is provided with the dividing plate of two pieces of ring-types in exhaust outlet, the seamless steel pipe, the dividing plate, the outer wall of insertion tube and seamless steel pipe
The through hole intercommunicated with noise reduction cavity body phase, the noise reduction cavity are offered on inwall formation noise reduction cavity, the tube wall of the insertion tube
Body is disposed with stainless steel steel screen layer, cellophane layer and glass along from contact insertion tube to the direction of contact seamless steel pipe
Cotton layer.
The stainless steel steel screen layer is identical with the thickness of cellophane layer.
The unit weight of the mineral wool layer is 46-50kg/m3。
The through hole is manhole.
The through hole is uniformly opened on insertion tube, and along insertion tube axial direction set adjacent through-holes it
Between spacing be equal to along the spacing between the circumferentially disposed adjacent through-holes of insertion tube.
Compared with prior art, the utility model has the advantages that：
The rosonator for being exclusively used in diesel engine that the utility model is provided, including seamless steel pipe, the seamless steel pipe
It is provided at both ends with the end cap of arc, the seamless steel pipe and is arranged with insertion tube, the two ends of the insertion tube both passes through end cap, its
One end traversing through end cap of middle insertion tube is simultaneously connected with the gas outlet of mounted silencer, and the other end traversing through end cap of insertion tube is made
For exhaust outlet, the dividing plate of two pieces of ring-types, the dividing plate, the outer wall and seamless steel pipe of insertion tube are provided with the seamless steel pipe
Inwall formation noise reduction cavity, offer the through hole intercommunicated with noise reduction cavity body phase, the noise reduction on the tube wall of the insertion tube
Cavity is disposed with stainless steel steel screen layer, cellophane layer and glass along from contact insertion tube to the direction of contact seamless steel pipe
Glass cotton layer.The high-frequency noises of diesel engine can be eliminated by testing the utility model, the demand of environmental protection is met；This practicality simultaneously
It is newly a kind of rosonator, in the case where being changed without using silencer, by adding rosonator, reaches the need of noise reduction
Ask, the utilization rate for the silencer installed is improved to greatest extent, while reducing the cost of transformation.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the partial enlarged drawing schematic diagram at the B in Fig. 1；
Marked in figure：1st, seamless steel pipe, 2, end cap, 3, insertion tube, 4, dividing plate, 5, stainless steel steel screen layer, 6, glassine paper
Layer, 7, mineral wool layer, 8, through hole.
Embodiment
With reference to embodiment, the utility model will be further described, and described embodiment is only that this practicality is new
A part of embodiment of type, is not whole embodiments.Based on the embodiment in the utility model, the ordinary skill people of this area
Other embodiments used that member is obtained under the premise of creative work is not made, belong to protection model of the present utility model
Enclose.
With reference to accompanying drawing, the rosonator for being exclusively used in diesel engine that the utility model is provided, including seamless steel pipe 1, it is described
Insertion tube 3, the two of the insertion tube 3 are arranged with the end cap 2 for being provided at both ends with arc of seamless steel pipe 1, the seamless steel pipe 1
End both passes through end cap 2, wherein one end traversing through end cap 2 of insertion tube 3 and is connected with the gas outlet of mounted silencer, insertion tube
3 other end traversing through end cap 2 is provided with the dividing plate 4 of two pieces of ring-types as exhaust outlet in the seamless steel pipe 2, the dividing plate 4,
Offered and noise reduction on the outer wall of insertion tube 3 and the inwall formation noise reduction cavity of seamless steel pipe 2, the tube wall of the insertion tube 3
The interconnected through hole 8 of cavity, the noise reduction cavity is set successively along from contact insertion tube 3 to the direction of contact seamless steel pipe 1
It is equipped with stainless steel steel screen layer 5, cellophane layer 6 and mineral wool layer.
It is used as a kind of preferred mode of the utility model, the thickness phase of the stainless steel steel screen layer 5 and cellophane layer 6
Together.
The unit weight of the mineral wool layer is 46-50kg/m3, it is used as a kind of preferred mode of the utility model, mineral wool layer
It is 48kg/m from unit weight3Super glass wool.
Through hole 8 of the present utility model is manhole, while through hole 8 uniformly is opened on insertion tube 3, and along slotting
Spacing between the adjacent through-holes for the axial direction setting for entering pipe is equal to along between the circumferentially disposed adjacent through-holes of insertion tube
Spacing.
By taking t=400 DEG C of delivery temperature as an example, velocity of sound c can be obtained by the relation of the velocity of sound and delivery temperature：
C=331.45+0.61t=575m/s
Blast pipe air velocity v=40m/s, exhaust bore d=100mm.
By these conditions, the seamless steel pipe 1 using outer diameter D=200mm is determined, inside insertion internal diameter d=100mm's is single
Insertion tube 3.
The calculation formula of straight-pipe type dissipative silencer sound deadening capacity is：
For circular pipe type silencer, its P/S=4/d.
The resistive segment length L=1m (i.e. spacing between two dividing plates 4 is 1m) newly increased, solid super glass wool holds
Weight 48kg/m3.Its situation table that absorbs sound is as follows：
From the foregoing, the utility model can eliminate the high-frequency noises of diesel engine.
The upper limit failure frequency of silencer is：
So as to illustrate that the utility model disclosure satisfy that in diesel engine
The noise reduction of high-frequency noise is used.
Embodiment one
The rosonator for being exclusively used in diesel engine of the present embodiment, including seamless steel pipe, the two ends of the seamless steel pipe are set
It is equipped with the end cap of arc, the seamless steel pipe and is arranged with insertion tube, the two ends of the insertion tube both passes through end cap, wherein inserting
One end traversing through end cap of pipe is simultaneously connected with the gas outlet of mounted silencer, and the other end traversing through end cap of insertion tube is used as exhaust
Mouthful, the dividing plate of two pieces of ring-types, the inwall of the dividing plate, the outer wall of insertion tube and seamless steel pipe are provided with the seamless steel pipe
Formed on noise reduction cavity, the tube wall of the insertion tube and offer the through hole intercommunicated with noise reduction cavity body phase, the noise reduction cavity edge
From contact insertion tube to the direction of contact seamless steel pipe and be disposed with stainless steel steel screen layer, cellophane layer and mineral wool
Layer.
Embodiment two
The rosonator for being exclusively used in diesel engine of the present embodiment, including seamless steel pipe, the two ends of the seamless steel pipe are set
It is equipped with the end cap of arc, the seamless steel pipe and is arranged with insertion tube, the two ends of the insertion tube both passes through end cap, wherein inserting
One end traversing through end cap of pipe is simultaneously connected with the gas outlet of mounted silencer, and the other end traversing through end cap of insertion tube is used as exhaust
Mouthful, the dividing plate of two pieces of ring-types, the inwall of the dividing plate, the outer wall of insertion tube and seamless steel pipe are provided with the seamless steel pipe
Formed on noise reduction cavity, the tube wall of the insertion tube and offer the through hole intercommunicated with noise reduction cavity body phase, the noise reduction cavity edge
From contact insertion tube to the direction of contact seamless steel pipe and be disposed with stainless steel steel screen layer, cellophane layer and mineral wool
Layer；The stainless steel steel screen layer is identical with the thickness of cellophane layer.
Embodiment three
The rosonator for being exclusively used in diesel engine of the present embodiment, including seamless steel pipe, the two ends of the seamless steel pipe are set
It is equipped with the end cap of arc, the seamless steel pipe and is arranged with insertion tube, the two ends of the insertion tube both passes through end cap, wherein inserting
One end traversing through end cap of pipe is simultaneously connected with the gas outlet of mounted silencer, and the other end traversing through end cap of insertion tube is used as exhaust
Mouthful, the dividing plate of two pieces of ring-types, the inwall of the dividing plate, the outer wall of insertion tube and seamless steel pipe are provided with the seamless steel pipe
Formed on noise reduction cavity, the tube wall of the insertion tube and offer the through hole intercommunicated with noise reduction cavity body phase, the noise reduction cavity edge
From contact insertion tube to the direction of contact seamless steel pipe and be disposed with stainless steel steel screen layer, cellophane layer and mineral wool
Layer；The stainless steel steel screen layer is identical with the thickness of cellophane layer；The unit weight of the mineral wool layer is 46-50kg/m3。
Example IV
On the basis of any of the above-described embodiment, the through hole is manhole.
Embodiment five
On the basis of any of the above-described embodiment, the through hole is uniformly opened on insertion tube, and along insertion
Spacing between the adjacent through-holes that the axial direction of pipe is set is equal to along between the circumferentially disposed adjacent through-holes of insertion tube
Spacing.
Claims (5)
1. a kind of rosonator for being exclusively used in diesel engine, it is characterised in that including seamless steel pipe, the two ends of the seamless steel pipe
It is provided with the end cap of arc, the seamless steel pipe and is arranged with insertion tube, the two ends of the insertion tube both pass through end cap, wherein inserts
Enter one end traversing through end cap of pipe and connected with the gas outlet of mounted silencer, the other end traversing through end cap of insertion tube is used as row
Be provided with the dividing plate of two pieces of ring-types in gas port, the seamless steel pipe, the dividing plate, the outer wall of insertion tube and seamless steel pipe it is interior
The through hole intercommunicated with noise reduction cavity body phase, the noise reduction cavity are offered on wall formation noise reduction cavity, the tube wall of the insertion tube
Stainless steel steel screen layer, cellophane layer and mineral wool are disposed with along from contact insertion tube to the direction of contact seamless steel pipe
Layer.
2. the rosonator according to claim 1 for being exclusively used in diesel engine, it is characterised in that the stainless steel steel wire
Layer is identical with the thickness of cellophane layer.
3. the rosonator according to claim 1 for being exclusively used in diesel engine, it is characterised in that the appearance of the mineral wool layer
Weight is 46-50kg/m3。
4. the rosonator according to claim 1 for being exclusively used in diesel engine, it is characterised in that the through hole is circular logical
Hole.
5. the rosonator according to claim 4 for being exclusively used in diesel engine, it is characterised in that the through hole is uniformly opened
It is located on insertion tube, and is equal to along the spacing between the adjacent through-holes of the axial direction setting of insertion tube along insertion tube
Spacing between circumferentially disposed adjacent through-holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720092753.9U CN206376921U (en) | 2017-01-22 | 2017-01-22 | A kind of rosonator for being exclusively used in diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720092753.9U CN206376921U (en) | 2017-01-22 | 2017-01-22 | A kind of rosonator for being exclusively used in diesel engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206376921U true CN206376921U (en) | 2017-08-04 |
Family
ID=59401065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720092753.9U Expired - Fee Related CN206376921U (en) | 2017-01-22 | 2017-01-22 | A kind of rosonator for being exclusively used in diesel engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206376921U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110821602A (en) * | 2019-11-11 | 2020-02-21 | 西安航天动力研究所 | A tubular muffler |
-
2017
- 2017-01-22 CN CN201720092753.9U patent/CN206376921U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110821602A (en) * | 2019-11-11 | 2020-02-21 | 西安航天动力研究所 | A tubular muffler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170804 Termination date: 20190122 |