CN211479666U

CN211479666U - Composite exhaust silencer

Info

Publication number: CN211479666U
Application number: CN201922287083.8U
Authority: CN
Inventors: 郑加亮
Original assignee: Lianyungang Zaoyuan Mechanical Equipment Co ltd
Current assignee: Lianyungang Zaoyuan Mechanical Equipment Co ltd
Priority date: 2019-12-19
Filing date: 2019-12-19
Publication date: 2020-09-11
Anticipated expiration: 2029-12-19

Abstract

The utility model discloses a compound exhaust steam silencer, including casing, one-level voice coil loudspeaker voice coil, second grade voice coil loudspeaker voice coil, tertiary voice coil loudspeaker voice coil and amortization room, the casing outer wall sets up lug and support, the upper end sets gradually one-level voice coil loudspeaker voice coil, second grade voice coil loudspeaker voice coil and tertiary voice coil loudspeaker voice coil that disappears in the casing, tertiary voice coil loudspeaker voice coil that disappears is arranged in the second grade voice coil loudspeaker voice coil, and second grade amortization circle is arranged in the one-level voice coil loudspeaker voice coil that disappears, first grade voice coil loudspeaker voice coil lower extreme that disappears sets up the reinforcing ring, the reinforcing ring lower extreme is amortization chamber, amortization chamber is fixed in the casing through the baffle, amortization chamber lower extreme; the utility model has the advantages of reasonable design, tertiary amortization circle constitutes the cylinder altogether, reaches noise cancelling effect layer upon layer, compares effective noise reduction with traditional muffler.

Description

Composite exhaust silencer

Technical Field

The utility model relates to a silencing equipment especially relates to a compound exhaust silencer.

Background

Mufflers primarily utilize porous sound absorbing materials to reduce noise. The sound-absorbing material is fixed on the inner wall of the airflow channel or arranged in a pipeline according to a certain mode, and then the resistance silencer is formed. When sound waves enter the resistive muffler, a part of sound energy is rubbed in pores of the porous material and converted into heat energy to be dissipated, so that the sound waves passing through the muffler are weakened. Most of existing silencers are unsatisfactory in noise reduction effect and cannot meet the environmental protection requirement in enterprise production, so that a silencer with good noise reduction effect needs to be designed urgently.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a structural design is reasonable, adopts tertiary voice coil loudspeaker voice coil to constitute the cylinder that disappears, reaches noise cancelling effect layer upon layer, compares effective noise reduction with traditional muffler.

The purpose of the utility model is realized like this: the utility model provides a compound exhaust silencer, includes casing, one-level voice coil loudspeaker voice coil, second grade voice coil loudspeaker voice coil, tertiary voice coil loudspeaker voice coil and the amortization room of disappearing that disappears, casing outer wall sets up lug and support, the upper end sets gradually one-level voice coil loudspeaker voice coil, second grade voice coil loudspeaker voice coil and tertiary voice coil loudspeaker voice coil that disappears in the casing, the tertiary voice coil loudspeaker voice coil that disappears is arranged in the second grade voice coil loudspeaker voice coil, the second grade is disappeared in the voice coil loudspeaker voice coil is arranged in to the second grade, the one-level voice coil loudspeaker voice coil lower extreme that disappears sets up the reinforcing ring, the reinforcing ring lower extreme is the amortization chamber, the amortization chamber is fixed in.

As a further preferred scheme of the utility model, the voice coil loudspeaker voice coil, second grade that disappear are disappeared to the one-level and tertiary amortization circle constitutes the cylinder.

As a further preferred scheme of the utility model, the expansion chamber top sets up the expansion chamber head.

As a further preferred scheme of the utility model, the anechoic chamber head is arranged on the top end of the anechoic chamber.

As a further preferred scheme of the utility model, set up the perforated plate in the casing, it inhales the sound cotton to set up between perforated plate and the shells inner wall.

As a further preferred aspect of the present invention, the bottom of the housing is provided with a water outlet.

As a further preferred scheme of the utility model, the accuse flow tube connection admission takeover, admission takeover flange.

As the utility model discloses a further preferred scheme, accuse flow tube top sets up accuse flow tube head.

Compared with the prior art, the utility model discloses the beneficial effect who has as follows:

1. adopt three amortization circle to constitute the cylinder, reach layer upon layer noise cancelling effect, compare effective noise reduction with traditional muffler.

2. Sound cotton is inhaled in the setting of shells inner wall, and effective separation noise is propagated, falls to make an uproar.

3. The casing bottom adopts amortization room, perforated plate and attracts the cotton, tentatively falls the noise, inhales the sound, and the noise reduction is propagated.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the technical description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of direction a.

Fig. 3 is a schematic view in the direction of B.

The sound-absorbing and sound-absorbing device comprises a flange 1, a steam inlet connecting pipe 2, a water outlet 3, an expansion chamber 4, a sound-absorbing chamber 5, a perforated plate 6, sound-absorbing cotton 7, a flow control pipe end socket 8, a support 9, an expansion chamber end socket 10, a sound-absorbing chamber end socket 11, a sound-absorbing chamber 12, a partition plate 13, a reinforcing ring 14, a first-stage sound-absorbing coil 15, a second-stage sound-absorbing coil 16, a third-stage sound-absorbing coil 17, a shell 18 and a lifting lug 19.

Detailed Description

The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1-3, a composite exhaust muffler comprises a casing 18, a first-stage silencing coil 15, a second-stage silencing coil 16, a third-stage silencing coil 17 and a silencing chamber 5, wherein a lifting lug 19 and a support 9 are arranged on the outer wall of the casing 18, the first-stage silencing coil 15, the second-stage silencing coil 16 and the third-stage silencing coil 17 are sequentially arranged at the upper end in the casing 18, the third-stage silencing coil 17 is arranged in the second-stage silencing coil 16, the second-stage silencing coil 16 is arranged in the first-stage silencing coil 15, a reinforcing coil 14 is arranged at the lower end of the first-stage silencing coil 15, a silencing cavity 12 is arranged at the lower end of the reinforcing coil 14, the silencing cavity 12 is fixed in the casing 18 through a partition plate 13, the silencing chamber 5 is arranged at the lower end of the silencing cavity 12, an expansion chamber 4.

Preferably, the primary damping coil 15, the secondary damping coil 16 and the tertiary damping coil 17 form a cylinder.

Preferably, an expansion chamber end socket 10 is arranged at the top end of the expansion chamber 4.

Preferably, a silencing chamber end socket 11 is arranged at the top end of the silencing chamber 5.

Preferably, a perforated plate 6 is arranged in the shell 18, and a sound absorption cotton 7 is arranged between the perforated plate 6 and the inner wall of the shell.

Preferably, the bottom end of the housing 18 is provided with a water outlet 3.

Preferably, the flow control pipe is connected with a steam inlet connecting pipe 2, and the steam inlet connecting pipe 2 is connected with a flange 1.

Preferably, a flow control pipe end socket 8 is arranged at the top end of the flow control pipe.

Example (b):

during the use, when high-pressure steam takes over 2 entering through the admission, steam from accuse flow pipe upper aperture outwards movement, through expansion chamber 4, amortization room 5, perforated plate 6 and inhale sound cotton 7, through multilayer structure amortization, inhale the sound structure, make high-pressure steam in the operation in-process noise power by very weakening, steam moves up all the time, once more through one-level voice coil 15 that disappears, the cylinder amortization structure that voice coil 16 and tertiary voice coil 17 that disappears are constituteed, it makes an uproar to be weakened again at original low-power noise, make whole high-pressure steam noise reduction in the operation, play the amortization effect.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a compound exhaust silencer, includes casing (18), one-level voice coil (15), second grade voice coil (16), tertiary voice coil (17) and amortization room (5), its characterized in that disappears: the utility model discloses a voice coil loudspeaker, including casing (18), voice coil loudspeaker voice coil (15), second grade voice coil loudspeaker voice coil (16) and tertiary voice coil loudspeaker voice coil (17) that disappears are set gradually to casing (18) outer wall, upper end sets gradually one-level voice coil loudspeaker voice coil (15), second grade voice coil loudspeaker voice coil (16) and tertiary voice coil loudspeaker voice coil (17) that disappears in casing (18), second grade voice coil loudspeaker voice coil (16) that disappears are arranged in one-level voice coil loudspeaker voice coil (15), one-level voice coil loudspeaker voice coil (15) lower extreme that disappears sets up reinforcing ring (14), reinforcing ring (14) lower extreme is amortization chamber (12), amortization chamber (12) are fixed in casing (18) through baffle (13), amortization chamber (12) lower extreme sets up amortization chamber (5), set up expansion chamber (4) in amorti.

2. A compound exhaust muffler according to claim 1, wherein: the first-stage eliminating voice coil (15), the second-stage eliminating voice coil (16) and the third-stage eliminating voice coil (17) form a cylinder.

3. A compound exhaust muffler according to claim 1, wherein: an expansion chamber end enclosure (10) is arranged at the top end of the expansion chamber (4).

4. A compound exhaust muffler according to claim 1, wherein: the top end of the anechoic chamber (5) is provided with an anechoic chamber end enclosure (11).

5. A compound exhaust muffler according to claim 1, wherein: set up perforated plate (6) in casing (18), set up between perforated plate (6) and the shells inner wall and inhale sound cotton (7).

6. A compound exhaust muffler according to claim 1, wherein: the bottom end of the shell (18) is provided with a water outlet (3).

7. A compound exhaust muffler according to claim 1, wherein: the flow control pipe is connected with the steam inlet connecting pipe (2), and the steam inlet connecting pipe (2) is connected with the flange (1).

8. A compound exhaust muffler according to claim 1, wherein: and a flow control pipe end enclosure (8) is arranged at the top end of the flow control pipe.