CN208650942U - A kind of combined muffler for diesel generating set - Google Patents
A kind of combined muffler for diesel generating set Download PDFInfo
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- CN208650942U CN208650942U CN201821111227.3U CN201821111227U CN208650942U CN 208650942 U CN208650942 U CN 208650942U CN 201821111227 U CN201821111227 U CN 201821111227U CN 208650942 U CN208650942 U CN 208650942U
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- resistive
- muffler
- cylinder
- reducing device
- noise
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Abstract
The utility model discloses a kind of combined muffler for diesel generating set, including resistant noise-reducing device and resistive muffler, resistant noise-reducing device and resistive muffler are connected in series；The outlet side of resistant noise-reducing device is connected with the inlet end of resistive muffler；Resistant noise-reducing device includes resistant noise-reducing device cylinder, and the left and right ends of resistant noise-reducing device cylinder extend outward to form resistance air inlet pipe and resistance escape pipe respectively；Several partitions are equipped in resistant noise-reducing device cylinder, partition is equipped with several perforated pipes, and resistive muffler includes resistive muffler cylinder, and the left and right ends of resistive muffler cylinder extend outward to form resistive air inlet pipe and resistive escape pipe respectively；Columnar porous plate is equipped in resistive muffler cylinder.The utility model structure is simple, has used the resistant noise-reducing device relatively good to the low frequency amount of making an uproar in reduction and has also used the resistive muffler relatively good to reduction medium-high frequency noise content；Engine exhaust noise amount can be reduced in all directions, it is beautiful, facilitate installation.
Description
Technical field
The utility model relates to diesel-driven generator technical group field more particularly to a kind of groups for diesel generating set
Box-like muffler.
Background technique
It is perfect with diesel generating set market, with the popularity for the occasion that diesel generating set uses；With people
Exacerbation to environmental protection consciousness, reducing the noise level of unit, it is very important, thus market just will appear it is various
The diesel generating set of the low noise of form, but often arranged during the utilization of the diesel engine unit of actual low noise
Gas noise is difficult to control, thus the phenomenon for causing the overall noise of unit very unsatisfactory, occur that exhaust noise is difficult to control is
Because the noise of engine is the noise for having accumulated low frequency and arriving the various frequency bands of high frequency, and the muffler of routine substantially or
More high frequencies have higher noise reduction effect or only have preferable noise elimination effect to intermediate frequency or low frequency noise, substantially cannot be fine
Ground solves related long-wave band noise problem.
Utility model content
It is simple that a kind of structure is provided the purpose of the utility model is to overcome above-mentioned shortcoming in the prior art, is grasped
Facilitate, the practical combined muffler for diesel generating set.
The utility model is realized in the following way:
A kind of combined muffler for diesel generating set, it is characterised in that: including resistant noise-reducing device and resistive disappear
Sound device, the resistant noise-reducing device and resistive muffler are connected in series；The outlet side of the resistant noise-reducing device and resistive muffler into
Gas end is connected；The resistant noise-reducing device includes resistant noise-reducing device cylinder, the left and right ends difference of the resistant noise-reducing device cylinder
Extend outward to form resistance air inlet pipe and resistance escape pipe；By being equipped at intervals with several partitions, institute in the resistant noise-reducing device cylinder
Partition is stated equipped with several perforated pipes；
The resistive muffler includes resistive muffler cylinder, and the left and right ends difference of the resistive muffler cylinder is outside
Extend to form resistive air inlet pipe and resistive escape pipe；The resistive air inlet pipe is connected with resistance escape pipe；The resistive air inlet
Pipe and resistive escape pipe are connected with resistive muffler cylinder respectively；It is equipped in the resistive muffler cylinder columnar porous
Plate is filled with the second ore-rock cotton between the columnar porous plate and the inner wall of resistive muffler cylinder.
Further, the perforated pipe is located at the equal length of partition two sides, and several perforated pipes are set in a manner of annular array
In on partition.
Further, company of the one end of the columnar porous plate between resistive air inlet pipe and resistive muffler cylinder
Connect place, junction of the other end between resistive escape pipe and resistive muffler cylinder.
Further, a rectangular muffler made of iron is fixed to after the resistant noise-reducing device and resistive muffler are connected in series
In box body, and full highdensity first ore-rock cotton is filled in muffler box body.
The utility model has the beneficial effects that: structure is simple, the resistance relatively good to the low frequency amount of making an uproar in reduction has been used
It muffler and also uses to reducing the relatively good resistive muffler of medium-high frequency noise content；Engine row can be reduced in all directions
Gas noise content, it is beautiful, facilitate installation.
Detailed description of the invention
It, below will be to required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
The attached drawing used is briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore not
It should be considered as the restriction to range, for those of ordinary skill in the art, without creative efforts,
It can also be obtained according to these attached drawings other relevant attached drawings.
Fig. 1 the utility model structure diagram；
Fig. 2 the utility model resistant noise-reducing device structural schematic diagram；
Fig. 3 is A-A cross-sectional view in Fig. 2；
Fig. 4 the utility model resistive muffler structural schematic diagram；
Move towards figure in Fig. 5 the utility model noise reduction road.
Specific embodiment
It is practical below in conjunction with this to keep the purposes, technical schemes and advantages of the utility model embodiment clearer
The technical solution in the utility model embodiment is clearly and completely described in attached drawing in novel embodiment, shows
So, described embodiment is a part of embodiment of the utility model, rather than whole embodiments.It is practical based on this
Embodiment in novel, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment is fallen within the protection scope of the utility model.Therefore, the implementation to the utility model provided in the accompanying drawings below
The detailed description of mode is not intended to limit the range of claimed invention, but is merely representative of the utility model
Selected embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative labor
Every other embodiment obtained under the premise of dynamic, fall within the protection scope of the utility model.
In the description of the present invention, it should be noted that term " on ", "lower", "inner", "outside" " front end ", " after
The orientation or positional relationship of the instructions such as end ", " both ends ", " one end ", " other end " is that orientation based on the figure or position are closed
System, is merely for convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning are necessary
It with specific orientation, is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition,
Term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " being equipped with ", " connection " etc., shall be understood in a broad sense, such as " connection ", may be a fixed connection, be also possible to detachably connect
It connects, or is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, intermediate matchmaker can also be passed through
Jie is indirectly connected, and can be the connection inside two elements.It for the ordinary skill in the art, can be with concrete condition
Understand the concrete meaning of above-mentioned term in the present invention.
Embodiment:
A kind of combined muffler for diesel generating set, as shown in Figure 1, shown in Figure 5, including muffler box body 1, it is described
Resistant noise-reducing device 2 and resistive muffler 3 are equipped in muffler box body 1, the resistant noise-reducing device 2 and resistive muffler 3 are connected in series；
The muffler box body 1 is equipped with muffler air inlet 4 and muffler gas outlet 5；The muffler air inlet 4 and resistant noise-reducing
The inlet end of device 2 is connected；The outlet side of the resistant noise-reducing device 2 is connected with the inlet end of resistive muffler 3, described resistive
The outlet side of muffler 3 is connected with muffler gas outlet 5；The resistant noise-reducing device 2, resistive muffler 3, muffler box body 1
Gap filling between three has the first ore-rock cotton 6.
As shown in Figure 2 and Figure 3, the resistant noise-reducing device 2 includes resistant noise-reducing device cylinder 21, the resistant noise-reducing device cylinder
21 left and right ends extend outward to form resistance air inlet pipe 22 and resistance escape pipe 23 respectively；The resistance air inlet pipe 22 and noise reduction
Device air inlet 4 is connected；By several partitions 24 are equipped at intervals in the resistant noise-reducing device cylinder 21, if the partition 24 is equipped with
Dry perforated pipe 25, resistance air inlet pipe 22, resistance escape pipe 23, perforated pipe 25 are antipriming pipe, and perforated pipe 25 is located at 24 liang of partition
The equal length of side, several perforated pipes 25 are set on partition 24 in a manner of annular array, disperse noise reduction, and resistant noise-reducing device 2 is main
Suitable for reducing the air pertormance noise of equipment based on Middle and low frequency noise, such as engine exhaust noise；It rationally determines anti-
Property muffler 2 expansion ratio for the pipeline of larger air quantity, expand ratio value desirable 3~5 to determine the size of silencer；
Median size air hose, expansion ratio value desirable 6~8；Lesser pipeline, then can use expansion ratio value is 8~15, maximum unsuitable big
In 20；Discontinuous segment perforated pipe 25 in resistant noise-reducing device 2 is connected, original reactive muffling performance can be kept, and can be significantly
Reduce the local air flow resistance that pipeline section is discontinuously located.
As shown in figure 4, the resistive muffler 3 includes resistive muffler cylinder 31, the resistive muffler cylinder 31
Left and right ends extend outward to form resistive air inlet pipe 32 and resistive escape pipe 33 respectively；The resistive air inlet pipe 32 and resistance outlet
Pipe 23 is connected；The resistive escape pipe 33 is connected with muffler gas outlet 5；The resistive air inlet pipe 32 and resistive escape pipe
33 are connected with resistive muffler cylinder 31 respectively；Columnar porous plate 34 is equipped in the resistive muffler cylinder 31, it is described
The second ore-rock cotton 35 is filled between columnar porous plate 34 and the inner wall of resistive muffler cylinder 31；The columnar porous plate
Junction of 34 one end between resistive air inlet pipe 32 and resistive muffler cylinder 31, the other end are located at resistive escape pipe 33
With the junction between resistive muffler cylinder 31 so that sound-absorbing effect is best.
In the present embodiment, the gas noise of the exhaust outlet discharge of diesel generating set contains low frequency to the high frequency various stages
Level of noise, when gas pass through resistant noise-reducing device 2 when effectively the level of noise of the Low Medium Frequency in gas can be inhaled well very well
It receives or obstruction loss falls；It can be by remaining medium-high frequency after resistant noise-reducing device 2 when gas reaches resistive muffler 3
Noise wave is further to be eliminated, therefore the gas noise that the processing of the muffler Jing Guo two-stage discharges can do very big noise reduction
Processing, can be effectively reduced exhaust noise 35-40dba or so by the processing of this two-stage muffler very well；
In the present embodiment, in order to fixed, installation and security consideration well, the resistant noise-reducing device 2 and resistance connected
Property muffler 3 be fixed to rectangular 1 the inside of muffler box body made of iron, and full high density is filled inside muffler box body 1
The first ore-rock cotton 6, this way not only can be further improved the noise reduction effect of entire muffler, but also can stop noise reduction well
The outflow of device internal heat is to which protection staff is because of the injury such as scald caused by misoperation.
Above description is merely a prefered embodiment of the utility model, is not intended to limit the utility model, for
For those skilled in the art, various modifications and changes may be made to the present invention.All spirit and original in the utility model
Within then, any modification, equivalent replacement, improvement and so on be should be included within the scope of protection of this utility model.
Claims (4)
1. a kind of combined muffler for diesel generating set, it is characterised in that: including resistant noise-reducing device (2) and resistive disappear
Sound device (3), the resistant noise-reducing device (2) and resistive muffler (3) are connected in series；The outlet side of the resistant noise-reducing device (2) and resistance
The inlet end of property muffler (3) is connected；The resistant noise-reducing device (2) includes resistant noise-reducing device cylinder (21), and the resistance disappears
The left and right ends of sound device cylinder (21) extend outward to form resistance air inlet pipe (22) and resistance escape pipe (23) respectively；The resistance
By being equipped at intervals with several partitions (24) in muffler cylinder (21), the partition (24) is equipped with several perforated pipes (25)；
The resistive muffler (3) includes resistive muffler cylinder (31), the left and right ends of the resistive muffler cylinder (31)
Resistive air inlet pipe (32) and resistive escape pipe (33) are extended outward to form respectively；The resistive air inlet pipe (32) and resistance escape pipe
(23) it is connected；The resistive air inlet pipe (32) and resistive escape pipe (33) are connected with resistive muffler cylinder (31) respectively；
Columnar porous plate (34), the columnar porous plate (34) and resistive muffler are equipped in the resistive muffler cylinder (31)
The second ore-rock cotton (35) is filled between the inner wall of cylinder (31).
2. a kind of combined muffler for diesel generating set according to claim 1, it is characterised in that: described to wear
Hole pipe (25) is located at the equal length of partition (24) two sides, and several perforated pipes (25) are set to partition (24) in a manner of annular array
On.
3. a kind of combined muffler for diesel generating set according to claim 1, it is characterised in that: the column
Junction of the one end of the porous plate (34) of shape between resistive air inlet pipe (32) and resistive muffler cylinder (31), the other end
Junction between resistive escape pipe (33) and resistive muffler cylinder (31).
4. a kind of combined muffler for diesel generating set according to claim 1, it is characterised in that: described anti-
Property muffler (2) and resistive muffler (3) be connected in series after be fixed in rectangular muffler box body (1) made of iron, and disappearing
Full highdensity first ore-rock cotton (6) is filled in sound device box body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821111227.3U CN208650942U (en) | 2018-07-13 | 2018-07-13 | A kind of combined muffler for diesel generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821111227.3U CN208650942U (en) | 2018-07-13 | 2018-07-13 | A kind of combined muffler for diesel generating set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208650942U true CN208650942U (en) | 2019-03-26 |
Family
ID=65784230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821111227.3U Active CN208650942U (en) | 2018-07-13 | 2018-07-13 | A kind of combined muffler for diesel generating set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208650942U (en) |
-
2018
- 2018-07-13 CN CN201821111227.3U patent/CN208650942U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A combined silencer for diesel generator set Effective date of registration: 20220615 Granted publication date: 20190326 Pledgee: Bank of Xiamen Co.,Ltd. Fuzhou branch Pledgor: TIDE POWER TECHNOLOGY CO.,LTD. Registration number: Y2022980007892 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |