CN210440099U

CN210440099U - Silencer for exhaust of gas generator set

Info

Publication number: CN210440099U
Application number: CN201921156034.4U
Authority: CN
Inventors: 姜尔加; 胡志伦; 钟梁
Original assignee: Amico Gas Power Co ltd
Current assignee: Amico Gas Power Co ltd
Priority date: 2019-07-22
Filing date: 2019-07-22
Publication date: 2020-05-01
Anticipated expiration: 2029-07-22

Abstract

The utility model relates to a silencer for exhaust of a gas generator set, which comprises a machine body, wherein the machine body comprises an exhaust pipe, a silencing piece for reducing exhaust noise is arranged on the exhaust pipe, the silencing piece comprises a barrel body, the exhaust pipe penetrates and is communicated with one end of the barrel body, the other end of the barrel body is communicated with the barrel body and is provided with an outlet pipe, a first plate body, a second plate body and a third plate body are sequentially crossed and sealed along the position of the exhaust pipe towards the outlet pipe in the barrel body, a plurality of first silencing barrels are penetrated and fixedly connected on the first plate body along the circumferential position of the first plate body, a plurality of second silencing barrels are penetrated and fixedly connected on the second plate body along the circumferential position of the second plate body, a plurality of third silencing barrels are penetrated and fixedly connected on the third plate body along the circumferential position of the third plate body, a plurality of through holes are arranged on the side walls of the first silencing barrels, the second silencing barrels and the third silencing barrels, the gas is dispersed, expanded and refracted through the through-holes, thereby reducing exhaust noise.

Description

Silencer for exhaust of gas generator set

Technical Field

The utility model belongs to the technical field of the generator auxiliary assembly technique and specifically relates to a silencer is used in gas generating set's exhaust.

Background

The gas generator set is a novel generator set developed to adapt to the environmental protection requirements of the world and the new market environment. The natural gas generator set is mainly divided into two types, one is a combined cycle gas turbine, and the other is a gas internal combustion engine. The power of the gas turbine is relatively high, and the gas turbine is mainly used in large and medium-sized power stations, and the power of the gas combustion engine is relatively low, and the gas turbine is mainly used in small distributed power stations.

Chinese patent with publication number CN203962150U discloses a gas generator set, which comprises a base, an ac synchronous generator mounted on the base, a gas engine, a set control box and a fan water tank, wherein the gas engine is provided with an air filtering device and an exhaust pipe, and the gas engine is provided with a speed regulating system, a gas ignition system, a knock management system and a gas control system. However, the exhaust pipe has the disadvantages that when the exhaust pipe exhausts, pressure waves are generated in air and in the exhaust pipe due to drastic change of gas pressure, so that strong noise is radiated, the noise can cause great harm to human bodies, and the physical and psychological health of workers is seriously influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a silencer is used in gas generating set's exhaust of the noise that produces when reducing gas generating set and exhausting.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

a muffler for exhaust of a gas generator set comprises a machine body, wherein the machine body comprises an exhaust pipe, the exhaust pipe is provided with a silencing piece for reducing exhaust noise, the silencing piece comprises a cylinder body, the exhaust pipe is arranged through and communicated with one end of the cylinder body, the other end of the cylinder body is communicated with the cylinder body and is provided with an exhaust pipe, a first plate body, a second plate body and a third plate body are sequentially arranged in the cylinder body along the position of the exhaust pipe facing the air outlet pipe in a crossing manner and are sealed, a plurality of first silencing tubes are arranged on the first plate body in a penetrating way along the circumferential direction of the first plate body and are fixedly connected with the first plate body, a plurality of second silencing tubes are arranged on the second plate body in a penetrating way along the circumferential direction of the second plate body and are fixedly connected with the second plate body, a plurality of third silencing tubes are arranged on the third plate body in a penetrating way along the circumferential direction of the third plate body and are fixedly connected with the third plate body, and a plurality of through holes are formed in the side walls of the first silencing tube, the second silencing tube and the third silencing tube.

Through adopting above-mentioned technical scheme, when gas gets into to the barrel in through the blast pipe, gas at first removes the position at first amortization section of thick bamboo place on the first plate body, through-hole entering into first amortization section of thick bamboo on the first amortization section of thick bamboo, gas is separated by the indirect trickle that is a lot of, then expand suddenly again, acoustic energy is by great decay, thereby the mesh of decay has been reached, thereby play the effect of noise reduction, the air current refracts and redisperses through the inner wall of first amortization section of thick bamboo this moment, make the velocity of flow of exhaust air current reduce, thereby reach the mesh of amortization, gas is through first plate body, first amortization section of thick bamboo on second plate body and the third plate body, second amortization section of thick bamboo and third amortization section of thick bamboo, make gas by step amortization, further.

The utility model discloses further set up to: the exhaust pipe communicates to the lateral wall of barrel and is located the one end of barrel, the outlet duct communicates to the lateral wall of barrel and is located the position setting of keeping away from the exhaust pipe place.

Through adopting above-mentioned technical scheme, be connected to the lateral wall of barrel with intake pipe and outlet duct for whole barrel can be followed the horizontal direction and installed to the organism on, thereby conveniently install the barrel, and reduced the occupation space of barrel along vertical direction, make when transporting whole gas generating set, need not to pull down the barrel, conveniently transports.

The utility model discloses further set up to: the radii of the first silencing tube, the second silencing tube and the third silencing tube are sequentially increased, and the lengths of the first silencing tube, the second silencing tube and the third silencing tube are sequentially increased.

By adopting the technical scheme, when gas enters the first silencing barrel, the radius and the length of the first silencing barrel are small, so that the gas can be refracted for many times in the first silencing barrel, the weakening effect of weakening the flow speed of the gas is improved, the noise eliminating effect of the gas entering the barrel body is improved, when the gas subjected to noise elimination by the first silencing barrel passes through the second silencing barrel and the third silencing barrel, the refraction times of the gas in the second silencing barrel and the third silencing barrel are small, the flowing effect of the gas in the second silencing barrel is improved, the silencing effect of the gas subjected to preliminary noise elimination is improved while the flowing effect is improved, and the best silencing effect is achieved by matching the first silencing barrel, the second silencing barrel and the third silencing barrel.

The utility model discloses further set up to: the first silencing barrels and the second silencing barrels are arranged in a staggered mode, and the second silencing barrels and the third silencing barrels are arranged in a staggered mode.

Through adopting above-mentioned technical scheme, when gaseous entering to the second silencing pot in first silencing pot, because of the crisscross setting of second silencing pot and first silencing pot for in directly entering into the second silencing pot by the gaseous after the noise attenuation of first silencing pot, can produce the refraction on the inner wall of barrel because of gaseous blowing, the reducible gaseous refraction number of blowing to the barrel of first silencing pot and the second silencing pot of crisscross setting, thereby the noise that produces when having reduced gaseous refraction.

The utility model discloses further set up to: the utility model discloses a sound insulation barrel, including barrel, sound insulation barrel, blast pipe and outlet duct, be provided with sound insulation barrel on the outer wall of barrel with the barrel is coaxial, first plate body, second plate body and third plate body are worn to establish the barrel and are connected to sound insulation barrel's inside wall on, blast pipe and outlet duct are worn to establish the barrel and are given sound insulation barrel and extend to the barrel and set up.

Through adopting above-mentioned technical scheme, can produce partial noise when gaseous blowing on to the inside wall of barrel, the setting that adopts sound insulation section of thick bamboo can make barrel and sound insulation section of thick bamboo play the effect of separation to the noise in the barrel simultaneously, has further reduced the production of exhaust noise.

The utility model discloses further set up to: and silencing cotton is filled between the barrel body and the sound insulation barrel.

Through adopting above-mentioned technical scheme, the noise that the amortization is cotton can be to the production in the barrel adsorbs to further reduced the production of noise, adopted the cotton setting of amortization its simple structure, it is better to the absorption effect of noise.

The utility model discloses further set up to: the cover is established and fixedly connected with clamp on the outlet duct, articulated being provided with on the clamp is used for the apron that the outlet duct is confined.

Through adopting above-mentioned technical scheme, articulated apron that sets up can prevent that gas generator from in outdoor use, lead to the rainwater to pass through the outlet duct and enter into to the barrel in, adopt setting up of clamp to conveniently install and dismantle the apron, accord with actual installation and application.

The utility model discloses further set up to: the outer wall of the sound insulation barrel is provided with an arc-shaped plate in a fit mode with the outer wall of the sound insulation barrel, the sound insulation barrel is welded to the arc-shaped plate, a connecting frame connected to the machine body is arranged on the arc-shaped plate, and the connecting frame is connected to the machine body through bolts.

Through adopting above-mentioned technical scheme, will give sound insulation on a section of thick bamboo welds to the arc, improved the installation intensity between a section of thick bamboo and the arc that gives sound insulation, install the link to the organism on through the bolt, improved the link and driven the installation intensity of sound insulation section of thick bamboo and barrel installation to the organism to the convenience is dismantled a section of thick bamboo that gives sound insulation.

To sum up, the utility model discloses a beneficial technological effect does:

1. the gas enters the barrel body through the exhaust pipe, enters the first silencing barrel on the first plate body, the second silencing barrel on the second plate body and the third silencing barrel on the third plate body through the first through holes, is refracted, dispersed and expanded, reduces the flow rate of exhaust gas flow, achieves the silencing purpose, reduces the generation of noise and prevents the physical and mental damage of workers;

2. the arrangement of the sound insulation barrel and the silencing cotton can further eliminate noise generated in the barrel body, and the elimination effect of exhaust noise is further improved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic structural view of the barrel of the present invention;

fig. 3 is a schematic diagram of a half-section structure of the barrel of the present invention.

In the figure, 1, a machine body; 11. an exhaust pipe; 12. a barrel; 121. an air outlet pipe; 13. a first plate body; 131. a first silencing pot; 14. a second plate body; 141. a second silencing barrel; 15. a third plate body; 151. a third sound-deadening barrel; 16. a through hole; 17. a sound-insulating tube; 18. clamping a hoop; 181. a cover plate; 19. an arc-shaped plate; 191. a connecting frame; 192. and (4) bolts.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a silencer is used in gas generating set's exhaust, including organism 1, organism 1 includes blast pipe 11.

With reference to fig. 1 and 2, the exhaust pipe 11 is provided with a silencing part for reducing exhaust noise, the silencing part includes a cylinder 12, the exhaust pipe 11 penetrates and communicates with one end of the cylinder 12, and the other end of the cylinder 12 communicates with the cylinder 12 to form an outlet pipe 121.

Combine fig. 1 and fig. 2, in order to install whole barrel 12 to organism 1 along the horizontal direction on to reduce the height of barrel 12 along vertical direction, conveniently transport whole gas generating set, communicate exhaust pipe 11 to the lateral wall of barrel 12 on and be located the one end of barrel 12, outlet duct 121 communicates to the lateral wall of barrel 12 on and is located the position setting of keeping away from exhaust pipe 11 place.

With reference to fig. 2 and 3, in order to eliminate the exhaust noise generated by the gas entering the cylinder 12, a first plate 13, a second plate 14 and a third plate 15 sequentially span and seal the position of the exhaust pipe 11 facing the exhaust pipe 121 in the cylinder 12, a plurality of first muffling cylinders 131 are arranged on the first plate 13 along the circumferential position of the first plate 13 in a penetrating manner and are fixedly connected to the first plate, a plurality of second muffling cylinders 141 are arranged on the second plate 14 along the circumferential position of the second plate 14 in a penetrating manner and are fixedly connected to the second plate 141, a plurality of third muffling cylinders 151 are arranged on the third plate 15 along the circumferential position of the third plate 15 in a penetrating manner and are fixedly connected to the third muffling cylinders 151, and a plurality of through holes 16 are formed in the side walls of the first muffling cylinders 131, the second muffling cylinders 141 and the third muffling cylinders 151.

After the gas enters the cylinder body 12 through the exhaust pipe 11, the gas enters the first silencing cylinder 131 through the through holes 16 on the first silencing cylinder 131, so that the gas is dispersed through the through holes 16 on the first silencing cylinder 131, after the gas enters the first silencing cylinder 131, the gas expands, the first silencing cylinder 131 disperses and expands the gas, at the moment, the gas is refracted in the first silencing cylinder 131 and disperses and expands again, the flow rate of the gas flow is greatly reduced, and the aim of silencing is achieved.

As shown in fig. 3, in order to improve the effect of the first, second, and

third muffling barrels

131, 141, and 151 in canceling exhaust noise, the radii of the first, second, and

third muffling barrels

131, 141, and 151 are sequentially increased, and the lengths of the first, second, and

third muffling barrels

131, 141, and 151 are sequentially increased.

When the gas passes through the first muffling barrel 131, the length and radius of the first muffling barrel 131 are small, the gas can be refracted for many times in the first muffling barrel 131, so that the gas is divided and expanded for many times, thereby improving the exhaust noise reduction effect, when the gas with noise reduced by the first muffling barrel 131 passes through the second muffling barrel 141, the gas does not need to be refracted and divided for many times, thereby reducing the refraction times of the gas in the second muffling barrel 141, improving the exhaust noise reduction effect while improving the flow speed of the gas in the second muffling barrel 141, and the third muffling barrel 151 has the same effect as the second muffling barrel 141.

As shown in fig. 3, in order to facilitate the entry of the gas silenced by the first silencing tubes 131 into the second silencing tubes 141, the plurality of first silencing tubes 131 and the plurality of second silencing tubes 141 are arranged alternately, and in order to facilitate the entry of the gas silenced by the second silencing tubes 141 into the third silencing tubes 151, the plurality of second silencing tubes 141 and the plurality of third silencing tubes 151 are arranged alternately.

When the gas muffled by the first muffling barrel 131 goes out of the through hole 16 of the first muffling barrel 131, the second muffling barrel 141 is located at a position staggered with the first muffling barrel 131, so that the gas can directly move into the first muffling barrel 131 from the first muffling barrel 131, and thus the gas is prevented from entering the second muffling barrel 141 after being collided with the inner wall of the barrel 12, and noise is generated after the gas is refracted by the inner wall of the barrel 12, thereby reducing the noise generated in the barrel 12, and the second muffling barrel 141 and the third muffling barrel 151 have the same principle as described above.

As shown in fig. 3, because of the interior gas of barrel 12 and the noise can be produced when the barrel 12 inner wall refracts, and sound has the penetrability, in order to reduce the noise in the barrel 12, be provided with sound insulation barrel 17 with barrel 12 is coaxial on the outer wall of barrel 12, first plate 13, second plate 14 and third plate 15 wear to establish barrel 12 and be connected to on sound insulation barrel 17's the inside wall, exhaust pipe 11 and outlet duct 121 wear to establish barrel 12 and sound insulation barrel 17 and extend to the barrel 12 and set up.

As shown in fig. 3, in order to further reduce noise generated in the cylindrical body 12, noise-deadening cotton (not shown in the figure) is filled between the cylindrical body 12 and the soundproof cylinder 17; the sound insulation barrel 17 can further block the noise generated in the barrel body 12, so that the noise generated in the barrel body 12 is weakened; the soundproof cotton's setting can play further adsorption effect to the noise that produces in the barrel 12 to further weaken the exhaust noise, prevent that operating personnel from receiving physical and mental injury.

Referring to fig. 2 and 3, when the gas generator is used outdoors, in order to prevent rainwater from entering the cylinder 12 through the outlet tube 121, a clamp 18 is sleeved and fixedly connected to the outlet tube 121, and a cover plate 181 for sealing the outlet tube 121 is hinged to the clamp 18; when the exhaust is needed, the cover plate 181 can be automatically covered on the outlet pipe 121.

With reference to fig. 2 and 3, in order to drive the sound-insulating tube 17 to detachably connect the tube body 12 to the machine body 1, an arc plate 19 is attached to the outer wall of the sound-insulating tube 17, the sound-insulating tube 17 is welded to the arc plate 19, a connecting frame 191 connected to the machine body 1 is arranged on the arc plate 19, and the connecting frame 191 is connected to the machine body 1 through a bolt 192.

The implementation principle of the embodiment is as follows: when the gas generator works, gas enters the cylinder body 12 through the exhaust pipe 11 and enters the first silencing cylinder 131 through the through hole 16 in the first silencing cylinder 131, the gas is dispersed through the through hole 16 in the first silencing cylinder 131 at the moment, the dispersed gas enters the first silencing cylinder 131 to expand, the flow rate of the gas is reduced, the gas is refracted on the inner wall of the first silencing cylinder 131 at the moment, the flow rate of the gas is further reduced, the silencing purpose is achieved, the noise of the gas with reduced noise is further reduced through the second silencing cylinder 141 and the third silencing cylinder 151, the exhaust noise when the exhaust pipe 11 exhausts is reduced, and the mind and body of a worker are prevented from being damaged.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a silencer is used in gas generating set's exhaust, includes organism (1), organism (1) includes blast pipe (11), its characterized in that: the exhaust pipe (11) is provided with a silencing part for reducing exhaust noise, the silencing part comprises a cylinder body (12), the exhaust pipe (11) penetrates through and is communicated with one end of the cylinder body (12), the other end of the cylinder body (12) is communicated with the cylinder body (12) and is provided with an air outlet pipe (121), a first plate body (13), a second plate body (14) and a third plate body (15) sequentially stretch across and seal the position of the exhaust pipe (11) facing the air outlet pipe (121) in the cylinder body (12), the first plate body (13) penetrates through and is fixedly connected with a plurality of first silencing cylinders (131) along the circumferential position of the first plate body (13), the second plate body (14) penetrates through and is fixedly connected with a plurality of second silencing cylinders (141) along the circumferential position of the second plate body (14), and the third plate body (15) penetrates through and is fixedly connected with a plurality of third silencing cylinders (151) along the circumferential position of the third plate body (15), the side walls of the first silencing barrel (131), the second silencing barrel (141) and the third silencing barrel (151) are all provided with a plurality of through holes (16).

2. The muffler for exhaust gas of a gas turbine generator set according to claim 1, wherein: the exhaust pipe (11) is communicated to the side wall of the cylinder body (12) and is located at one end of the cylinder body (12), and the exhaust pipe (121) is communicated to the side wall of the cylinder body (12) and is located at a position far away from the exhaust pipe (11).

3. The muffler for exhaust gas of a gas turbine generator set according to claim 1, wherein: the radiuses of the first silencing barrel (131), the second silencing barrel (141) and the third silencing barrel (151) are sequentially increased, and the lengths of the first silencing barrel (131), the second silencing barrel (141) and the third silencing barrel (151) are sequentially increased.

4. The muffler for exhaust gas of a gas turbine generator set according to claim 1, wherein: the first silencing tubes (131) and the second silencing tubes (141) are arranged in a staggered mode, and the second silencing tubes (141) and the third silencing tubes (151) are arranged in a staggered mode.

5. The muffler for exhaust gas of a gas turbine generator set according to claim 1, wherein: the utility model discloses a sound insulation barrel, including barrel (12), exhaust pipe (11), air outlet pipe (121), barrel (12) and sound insulation barrel (17) and extend to and set up in barrel (12), be provided with sound insulation barrel (17) on the outer wall of barrel (12) with barrel (12) is coaxial, on barrel (12) and the inside wall that is connected to sound insulation barrel (17) are worn to establish by first plate body (13), second plate body (14) and third plate body (15), exhaust pipe (11) and air outlet pipe (121) are worn to establish barrel (12) and sound insulation barrel (.

6. The muffler for exhaust gas of a gas turbine generator set according to claim 5, wherein: silencing cotton is filled between the cylinder body (12) and the sound insulation cylinder (17).

7. The muffler for exhaust gas of a gas turbine generator set according to claim 1, wherein: the gas outlet pipe (121) is sleeved with a clamp (18) fixedly connected with the gas outlet pipe, and a cover plate (181) used for sealing the gas outlet pipe (121) is hinged to the clamp (18).

8. The muffler for exhaust gas of a gas turbine generator set according to claim 5, wherein: the outer wall of sound insulation barrel (17) is provided with arc-shaped plate (19) with the outer wall laminating of sound insulation barrel (17), sound insulation barrel (17) weld to on arc-shaped plate (19), be provided with link (191) that are connected to on organism (1) on arc-shaped plate (19), link (191) are connected to on organism (1) through bolt (192).