CN208918630U

CN208918630U - A kind of diesel generating set impedance complex formula low noise silencer

Info

Publication number: CN208918630U
Application number: CN201821712769.6U
Authority: CN
Inventors: 王文艺
Original assignee: Gongti (xiamen) New Energy Co Ltd
Current assignee: Gongti (xiamen) New Energy Co Ltd
Priority date: 2018-10-22
Filing date: 2018-10-22
Publication date: 2019-05-31
Anticipated expiration: 2028-10-22

Abstract

The utility model discloses a kind of diesel generating set impedance complex formula low noise silencer, including main body, the two sides of the body interior upper end are equipped with the first silencing pipeline, first silencing pipeline is provided with air inlet on the outside of main body, first silencing pipeline is made of several first straight tubes and several first bulb tubes, connection is alternateed between first straight tube and the first bulb tube, the connection of the two sides of first straight tube and main body, the upper surface of the body interior is fixedly installed several the first fixed rings, the lower end of first fixed ring is connect with the outer surface of the first straight tube, the described one end of first hush pipe far from air inlet is connected with the second silencing pipeline by conduit.The utility model structure is simple, and design rationally, by the circulating rate and vibration frequency of multiple step mitigation of gases, can play good erasure effect, while can increase service life with the active force generated when the circulation of damping, buffering gas.

Description

A kind of diesel generating set impedance complex formula low noise silencer

Technical field

The utility model relates to diesel-driven generator pieces of equipment technical field, specially a kind of diesel generating set impedance Combined type low noise silencer.

Background technique

Diesel-driven generator is a kind of small power generation equipment, means with diesel oil etc. as fuel, drives by prime mover of diesel engine The dynamic power machine of electrical power generators, a whole set of unit is generally by diesel engine, generator, control cabinet, fuel tank, starting and control storage Components composition, the power of diesel generating set such as storage battery, protective device, emergency cabinet are lower but since its is small in size, flexible, light Just, comprehensive to be convenient for operation and maintenance so being widely used in mine, railway, field building site, road traffic maintenance, Yi Jigong The departments such as factory, enterprise, hospital are as backup power source or temporary source, and temperature is up to 1900-2000 DEG C, and pressure is up to 60-100 Atmospheric pressure, gas can generate huge noise when being discharged under the action of temperature and pressure.

Conventional apparatus has following deficiency:

1, disappear when usually carrying out noise reduction to the gas of diesel engine discharge simply by simple acoustical cotton and abatvoix Noise cannot be completely eliminated although the noise of a part can be absorbed, still suffer from roar, simultaneously because when long by sound Between the impurity being discharged in gas that works the surface of silencing cotton or acoustical panel can be blocked, serious influence noise reduction work；

2, gas can generate biggish effect of vibration power in discharge because temperature and pressure are larger, after working long hours, The phenomenon that fracture is easy to appear inside silencing means has seriously affected the service life of silencing means.

Utility model content

The purpose of this utility model is to provide a kind of diesel generating set impedance complex formula low noise silencers, with solution It is certainly mentioned above in the background art when usually carrying out noise reduction to the gas of diesel engine discharge at least through simple acoustical cotton and Abatvoix carries out noise reduction, although the noise of a part can be absorbed, cannot completely eliminate noise, still suffer from life of thundering, Simultaneously because the impurity being discharged in gas that works long hours can block the surface of noise reduction face or acoustical panel, serious influence disappears The problem of sound works.

To achieve the above object, the utility model provides the following technical solutions: a kind of diesel generating set impedance complex Formula low noise silencer, including main body, the two sides of the body interior upper end are equipped with the first silencing pipeline, first noise reduction Pipeline is provided with air inlet on the outside of main body, and first silencing pipeline is by several first straight tubes and several first spherical shapes Pipe composition, alternates connection between first straight tube and the first bulb tube, the two sides connection of first straight tube and main body, The upper surface of the body interior is fixedly installed several the first fixed rings, the lower end of first fixed ring and the first straight tube Outer surface connection, the described one end of first silencing pipeline far from air inlet is connected with the second silencing pipeline by conduit, described Second silencing pipeline is mounted on the lower end of body interior, and second silencing pipeline is close to one end of air inlet in the outside of main body It is provided with gas outlet, second silencing pipeline is made of several second straight tubes and several second bulb tubes, and described second Alternate connection between straight tube and the second bulb tube, the two sides of second straight tube and main body connect, the body interior Lower end surface is fixedly installed several the second fixed rings, and the lower end of second fixed ring is connect with the outer surface of the second straight tube, Spring is fixedly installed between first fixed ring and the second fixed ring, it is upper and lower inside first straight tube and the second straight tube End is fixedly installed the first acoustical panel and the second acoustical panel respectively, alternates and sets between second acoustical panel of the first acoustical panel It sets, the inside of first bulb tube and the second bulb tube is fixedly installed several pieces of first baffles and several pieces of second gear Plate alternates setting between the first baffle and second baffle, the first bloop is provided on the first baffle, described The upper and lower side of second baffle is provided with the second bloop.

Preferably, protecting crust is fixedly installed by fixed block in the upper and lower side of the body outer surface, on the protecting crust It is provided with several apertures.

Preferably, spongy layer is provided on the inner sidewall of first silencing pipeline and the second silencing pipeline.

Preferably, the inside upper and lower side of the spring is respectively arranged with the first fixed link and the second fixed link, and described first Fixed link and the second fixed link are respectively fixedly disposed at the lower end of the first fixed ring and the upper end of the second fixed ring.

Preferably, it is provided between first baffle and second baffle between first acoustical panel and the second acoustical panel Silencing cotton.

Preferably, the diameter of first bloop is twice of the second noise reduction bore dia.

Compared with prior art, the utility model has the beneficial effects that

1, the utility model is in main body by being provided with the first silencing pipeline and the second silencing pipeline, the first hush pipe and Second hush pipe is made of the first straight tube and the second bulb tube with the second straight tube and the second bulb tube respectively, by the first straight tube and The effect of second bulb tube and the second straight tube and the second bulb tube composition, can effective mitigation of gases discharge when flow rate And vibration frequency, to play good erasure effect；

2, the utility model is fixed by being respectively arranged with the first fixed ring and second on the upper and lower end face of body interior Ring is fixedly installed spring between the first fixed ring and the second fixed ring, passes through the first fixed ring, the second fixed ring and spring Effect can carry out bumper and absorbing shock to active force that gas generates under powerful temperature and pressure, increase the first silencing pipeline and The stability of second silencing pipeline increases the service life of device.

Detailed description of the invention

Fig. 1 is a kind of diesel generating set impedance complex formula low noise silencer overall structure signal of the utility model Figure；

Fig. 2 is a kind of the first silencing pipeline of diesel generating set impedance complex formula low noise silencer knot of the utility model Structure schematic diagram；

Fig. 3 is to amplify to show at A in a kind of diesel generating set impedance complex formula low noise silencer Fig. 1 of the utility model It is intended to.

In figure: 1, main body；2, the first silencing pipeline；21, air inlet；22, spongy layer；3, the first straight tube；4, first is spherical Pipe；5, the first fixed ring；6, conduit；7, the second silencing pipeline；71, gas outlet；8, the second straight tube；9, the second bulb tube；10, Two fixed rings；11, spring；12, the first acoustical panel；13, the second acoustical panel；14, first baffle；141, the first bloop；15, Two baffles；151, the second bloop；16, protecting crust；17, the first fixed link；18, the second fixed link.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Please refer to Fig. 1-3, the utility model provides a kind of technical solution: a kind of diesel generating set impedance complex formula is low Noise damper, including main body 1, the two sides of 1 inner upper end of main body are equipped with the first silencing pipeline 2, first noise reduction Pipeline 2 is provided with air inlet 21 in the outside of main body 1, first silencing pipeline 2 by several first straight tubes 3 and several the One bulb tube 4 composition alternates connection, first straight tube 3 and main body 1 between first straight tube 3 and the first bulb tube 4 Two sides connection, the upper surface inside the main body 1 is fixedly installed several the first fixed rings 5, first fixed ring 5 Lower end is connect with the outer surface of the first straight tube 3, and the one end of first silencing pipeline 2 far from air inlet 21 is connected by conduit 6 There is the second silencing pipeline 7, second silencing pipeline 7 is mounted on the lower end inside main body 1, and second silencing pipeline 7 is close One end of air inlet 21 is provided with gas outlet 71 in the outside of main body 1, and second silencing pipeline 7 is by several the second straight tubes 8 It is formed with several the second bulb tubes 9, connection is alternateed between second straight tube 8 and the second bulb tube 9, described second is straight Pipe 8 is connect with the two sides of main body 1, and the lower end surface inside the main body 1 is fixedly installed several the second fixed rings 10, and described The lower end of two fixed rings 10 is connect with the outer surface of the second straight tube 8, fixed between first fixed ring 5 and the second fixed ring 10 It is provided with spring 11, the upper and lower side inside first straight tube 3 and the second straight tube 8 is fixedly installed 12 He of the first acoustical panel respectively Second acoustical panel 13 alternates setting, first bulb tube 4 and between first acoustical panel, 12 second acoustical panel 13 The inside of two bulb tubes 9 is fixedly installed several pieces of first baffles 14 and several pieces of second baffles 15, the first baffle 14 Setting is alternateed between second baffle 15, and the first bloop 141, the second baffle are provided on the first baffle 14 15 upper and lower side is provided with the second bloop 151.

Protecting crust 16 is fixedly installed by fixed block in the upper and lower side of 1 outer surface of main body, sets on the protecting crust 16 Several apertures are equipped with, are conducive to protect main body 1, while the heat dissipation of main body 1 will not be stopped；First silencing pipeline 2 and second silencing pipeline 7 inner sidewall on be provided with spongy layer 22, be conducive to further function as sound absorption；The spring 11 inside upper and lower side is respectively arranged with the first fixed link 17 and the second fixed link 18, and first fixed link 17 and second is fixed Bar 18 is respectively fixedly disposed at the lower end of the first fixed ring 5 and the upper end of the second fixed ring 10, is beneficial to prevent spring 11 and is stretching Disalignment during contracting；Between first acoustical panel 12 and the second acoustical panel 13 with first baffle 14 and second baffle 15 Between be provided with silencing cotton, be conducive to further absorb noise, erasure effect is more preferable；First bloop 141 Diameter be twice of 151 diameter of the second bloop, advantageously ensure that gas can normally pass through first baffle 14 and second Baffle 15.

Working principle: in use device, the air inlet 21 of the first silencing pipeline 2 and diesel engine is put into exhaust end and connected It connects, the high temperature and high pressure gas that is discharged enters in the first silencing pipeline 2 when diesel engine works, and passes through the first straight tube 3 and the respectively One bulb tube 4, by, by the water conservancy diversion of the first acoustical panel 12 and the second acoustical panel 13, can effectively reduce when the first straight tube 3 The flow velocity of gas, by the first bloop 141 and second baffle 15 on first baffle 14 when then passing through the first bulb tube 4 The second bloop 151, can then pass through conduit 6 with the vibration frequency of mitigation of gases, gas and enter the second silencing pipeline 7 In, by the second straight tube 8 and the second bulb tube 9, again by the first acoustical panel 12, the second acoustical panel 13, first baffle 14 The flow velocity and vibration frequency of gas, while the effect of vibration power that gas generates are further reduced with the effect of second baffle 15, the One fixed ring 5, the second fixed ring 10 and spring 11 can play good buffer function, and the present apparatus can effective mitigation of gases Flow rate and vibration frequency when discharge, so that good erasure effect is played, it can be to gas in powerful temperature and pressure The active force of lower generation carries out bumper and absorbing shock, increases the stability of the first silencing pipeline 2 and the second silencing pipeline 7, increases device Service life.

It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims

1. a kind of diesel generating set impedance complex formula low noise silencer, including main body (1), it is characterised in that: the master The two sides of body (1) inner upper end are equipped with the first silencing pipeline (2), and first silencing pipeline (2) sets on the outside of main body (1) It is equipped with air inlet (21), first silencing pipeline (2) is by several first straight tubes (3) and several the first bulb tube (4) groups At, it alternates and connect between first straight tube (3) and the first bulb tube (4), first straight tube (3) and main body (1) Two sides connection, the internal upper surface of the main body (1) are fixedly installed several the first fixed rings (5), first fixed ring (5) lower end is connect with the outer surface of the first straight tube (3), and the one end of first silencing pipeline (2) far from air inlet (21) is logical It crosses conduit (6) to be connected with the second silencing pipeline (7), second silencing pipeline (7) is mounted on the internal lower end of main body (1), institute It states the second silencing pipeline (7) to be provided on the outside of main body (1) gas outlet (71) close to the one end of air inlet (21), described second Silencing pipeline (7) is made of several second straight tubes (8) and several second bulb tubes (9), second straight tube (8) and second Connection is alternateed between bulb tube (9), second straight tube (8) connect with the two sides of main body (1), and the main body (1) is internal Lower end surface be fixedly installed several the second fixed rings (10), the lower end and the second straight tube (8) of second fixed ring (10) Outer surface connection, be fixedly installed spring (11) between first fixed ring (5) and the second fixed ring (10), described first Straight tube (3) and the upper and lower side of the second straight tube (8) inside are fixedly installed the first acoustical panel (12) and the second acoustical panel (13) respectively, Setting, first bulb tube (4) and the second spherical shape are alternateed between (12) second acoustical panel (13) of first acoustical panel The inside of pipe (9) is fixedly installed several pieces of first baffles (14) and several pieces of second baffles (15), the first baffle (14) setting is alternateed between second baffle (15), is provided with the first bloop (141), institute on the first baffle (14) The upper and lower side for stating second baffle (15) is provided with the second bloop (151).

2. a kind of diesel generating set according to claim 1 impedance complex formula low noise silencer, it is characterised in that: Protecting crust (16) are fixedly installed by fixed block in the upper and lower side of main body (1) outer surface, are arranged on the protecting crust (16) There are several apertures.

3. a kind of diesel generating set according to claim 1 impedance complex formula low noise silencer, it is characterised in that: Spongy layer (22) are provided on the inner sidewall of first silencing pipeline (2) and the second silencing pipeline (7).

4. a kind of diesel generating set according to claim 1 impedance complex formula low noise silencer, it is characterised in that: The inside upper and lower side of the spring (11) is respectively arranged with the first fixed link (17) and the second fixed link (18), and described first is fixed Bar (17) and the second fixed link (18) be respectively fixedly disposed at the first fixed ring (5) lower end and the second fixed ring (10) it is upper End.

5. a kind of diesel generating set according to claim 1 impedance complex formula low noise silencer, it is characterised in that: It is respectively provided between first baffle (14) and second baffle (15) between first acoustical panel (12) and the second acoustical panel (13) There is silencing cotton.

6. a kind of diesel generating set according to claim 1 impedance complex formula low noise silencer, it is characterised in that: The diameter of first bloop (141) is twice of the second bloop (151) diameter.