CN216590541U

CN216590541U - Integrated steam emptying silencer

Info

Publication number: CN216590541U
Application number: CN202123441148.3U
Authority: CN
Inventors: 杨德生; 陈光辉; 刘伟伟
Original assignee: Shandong Jianeng Technology Co ltd
Current assignee: Shandong Jianeng Technology Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-05-24
Anticipated expiration: 2031-12-31

Abstract

The utility model belongs to the field of noise control, and relates to an integrated steam emptying silencer, which comprises a shell with a bottom end socket, wherein a diffusion pipe is fixed in the shell, a plurality of primary throttle pipes are arranged in the diffusion pipe, a secondary throttle pipe is arranged outside each primary throttle pipe, a plurality of dense small holes are uniformly distributed on the diffusion pipe, the primary throttle pipes and the secondary throttle pipes, and the bottom end of each primary throttle pipe penetrates through the bottom end socket of the shell; a casing bottom end enclosure outside the diffusion pipe is provided with a condensation discharge port; the shell outside the diffusion pipe is provided with a lower sound absorption screen. The utility model discloses but the wide application is on power plant boiler and petrochemical boiler system's middle and small steam emission pipeline, and integrated degree is high, and the use amount of reducible muffler reduces engineering cost and noise pollution, and performance safe and reliable reduces noise source check point, easy control, non-maintaining.

Description

Integrated steam emptying silencer

Technical Field

The utility model relates to an integrated form steam unloading muffler belongs to the noise control field.

Background

At present, pipeline steam emptying silencers in power boilers for power station boilers and petrochemical devices mostly adopt each steam emptying pipeline to be provided with one silencer, but due to the characteristic of intermittent discharge of steam pipelines, the waste of equipment capacity is caused, the equipment investment is large, and because pipeline emptying steam is high-temperature and high-pressure, the noise pollution and potential safety hazard points are more, and the monitoring and the maintenance are difficult.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: the integrated steam emptying silencer overcomes the defects of the prior art, can be widely applied to medium and small steam discharge pipelines of power station boilers and petrochemical boiler systems, is high in integration degree, safe and reliable in performance, easy to monitor and free of maintenance, and can reduce the using amount of the silencer, reduce the construction cost and noise pollution.

The utility model discloses an integrated form steam unloading muffler, including the casing of bottom head, the casing is fixed with the diffusion tube inside, is equipped with a plurality of first-order throttle pipes in the diffusion tube, and every first-order throttle pipe dustcoat all is equipped with a second grade throttle pipe, and a plurality of intensive apertures are filled up evenly on diffusion tube, first-order throttle pipe and the second grade throttle pipe, and the casing bottom head is passed to first-order throttle pipe bottom; a casing bottom end enclosure outside the diffusion pipe is provided with a condensation discharge port; the shell outside the diffusion pipe is provided with a lower sound absorption screen.

When the steam-discharging device is normally used, mounting flanges are fixed at the bottom ends of the primary throttle pipes extending out of the bottom head of the shell, and the mounting flange of each primary throttle pipe is respectively connected with a steam discharging pipeline on the equipment; during steam discharging, steam enters the first-level throttle pipe in advance, then enters into second-level throttle pipe and diffuser pipe gradually in proper order, many second-level throttle pipe sharing diffuser pipes, and steam is adopted the mode of two-stage throttle step-down dilatation to carry out the amortization by the process that the first-level throttle pipe got into second-level throttle pipe and diffuser pipe to inhale the sound of sound screen under the cooperation, the noise cancelling effect is good. The steam discharge pipeline discharges intermittently, so the device realizes the integrated discharge of a plurality of steam discharge pipelines, has high integration level, reduces the using amount of the silencer, can reduce noise and air pollution areas, reduces noise source detection points, greatly reduces the construction cost and has safe and reliable performance. The condensed water in the shell is discharged through the condensed water discharging port.

Preferably, the casing inside of diffusion tube top be fixed with middle support and last spacing, be equipped with on the shells inner wall between middle support and the last spacing and inhale the sound screen. The middle support is arranged at the middle part in the shell, and the sound absorbing screen is arranged between the middle support and the upper limiting frame, so that the device is further guaranteed to have a better silencing effect.

Preferably, the upper limiting frame is provided with an anti-bird net above to prevent birds from making nests when the device does not work.

Preferably, the top of the shell is provided with a rain-proof cap which is fixedly connected with the ear seat at the periphery of the top end of the shell through a bolt. The rain hat can prevent sand blown by the wind and rain from invading and influencing the normal work of the silencer.

Preferably, the diffusion pipe and the secondary throttle pipe are respectively and fixedly connected with the shell bottom head, and reinforcing plates are arranged at the joint of the diffusion pipe and the shell bottom head and the joint of the secondary throttle pipe and the shell bottom head. The reinforcing plate plays a role in impact resistance and reinforcement on the diffusion pipe and the secondary throttle pipe.

Preferably, the middle part of the outer wall of the shell is provided with a support lug for fixing the device.

Preferably, the number of the primary throttle pipes in the diffuser pipe is 2-5, the integration degree is high, and the number of the silencing devices is reduced.

The lower sound-absorbing screen and the upper sound-absorbing screen are both made of stainless steel perforated plates and hydrophobic superfine glass wool; the bottom end enclosure of the shell can adopt an elliptical ball-shaped end enclosure or a flat cover end enclosure and the like.

Compared with the prior art, the utility model beneficial effect who has is:

the utility model discloses simple structure, reasonable in design adopts two-stage throttle step-down pipe and diffusion tube and goes up the impedance combined type amortization of inhaling the sound screen, and the integrated form of a plurality of steam emission pipeline discharges, and the integrated level is high, reduces the use amount of muffler to noise abatement and air pollution are regional, reduce the noise source check point, easy control, non-maintaining reduces engineering cost by a wide margin, and performance safe and reliable can the wide application on the well steam emission pipeline of power plant boiler and petrochemical boiler system.

Drawings

Fig. 1 is a schematic structural diagram of an integrated steam vent silencer.

In the figure: 1. a primary throttle pipe; 2. a secondary throttle pipe; 3. a condensate draining port; 4. a lower sound absorbing screen; 5. a housing; 6. a reinforcing plate; 7. an upper limiting frame; 8. an ear mount; 9. rain-proof caps; 10. a bird net; 11. an upper sound-absorbing screen; 12. a middle support; 13. supporting a lug; 14. a diffuser tube.

Detailed Description

The invention will be further described with reference to the accompanying drawings:

as shown in fig. 1, the integrated steam vent muffler of the present invention comprises a casing 5 with a bottom end enclosure, wherein a diffusion pipe 14 is fixed inside the casing 5, a plurality of first-stage throttle pipes 1 are arranged in the diffusion pipe 14, a second-stage throttle pipe 2 is arranged outside each first-stage throttle pipe 1, a plurality of dense small holes are uniformly distributed on the diffusion pipe 14, the first-stage throttle pipes 1 and the second-stage throttle pipes 2, and the bottom end of each first-stage throttle pipe 1 passes through the bottom end enclosure of the casing 5; a bottom end enclosure of the shell 5 outside the diffusion pipe 14 is provided with a condensation discharge port 3; the lower sound absorbing screen 4 is arranged on the shell 5 outside the diffusion pipe 14.

In this embodiment:

the middle support 12 and the upper limiting frame 7 are fixed inside the shell 5 above the diffusion pipe 14, and an upper sound-absorbing screen 11 is arranged on the inner wall of the shell 5 between the middle support 12 and the upper limiting frame 7. Middle support 12 arranges middle part in casing 5, sets up between middle support 12 and the last spacing 7 and inhales sound screen 11, further guarantees that this device has better noise cancelling effect.

An anti-bird net 10 is arranged above the upper limiting frame 7 to prevent birds from making nests when the device does not work; the top of the shell 5 is provided with a rain hat 9, the rain hat 9 is fixedly connected with an ear seat 8 at the periphery of the top end of the shell 5 through a bolt, and the rain hat 9 can prevent wind, sand and rainwater from invading and influencing the normal work of the silencer; the diffusion pipe 14 and the secondary throttle pipe 2 are respectively fixedly connected with the bottom end enclosure of the shell 5, reinforcing plates 6 are arranged at the joint of the diffusion pipe 14 and the bottom end enclosure of the shell 5 and the joint of the secondary throttle pipe 2 and the bottom end enclosure of the shell 5, and the reinforcing plates 6 play a role in resisting impact and reinforcing the diffusion pipe 14 and the secondary throttle pipe 2; a support lug 13 is arranged in the middle of the outer wall of the shell 5 and used for fixing the device; the number of the first-stage throttle pipes 1 in the diffusion pipe 14 is 2-5, the integration degree is high, and the number of silencing devices is reduced.

When in normal use, the bottom end of the primary throttle pipe 1 extending out of the bottom end enclosure of the shell 5 is fixed with an installation flange, and the installation flange of each primary throttle pipe 1 is respectively connected with a steam discharge pipeline on equipment; during steam discharging, steam gets into one-level throttle pipe 1 earlier, then gets into second grade throttle pipe 2 and diffuser pipe 14 gradually in proper order, and many second grade throttle pipes 2 share diffuser pipe 14, and steam is adopted the mode of two-stage throttle step-down dilatation to carry out the amortization by the process that one-level throttle pipe 1 got into second grade throttle pipe 2 and diffuser pipe 14 to inhale the sound of sound screen 4 under the cooperation, the noise cancelling effect is good. The steam discharge pipeline discharges intermittently, so the device realizes the integrated discharge of a plurality of steam discharge pipelines, has high integration level, reduces the using amount of the silencer, can reduce noise and air pollution areas, reduces noise source detection points, greatly reduces the construction cost and has safe and reliable performance. The condensed water in the shell 5 is discharged through the condensed water discharge port 3. The lower sound-absorbing screen 4 and the upper sound-absorbing screen 11 are both made of a stainless steel perforated plate and hydrophobic superfine glass wool; the bottom end enclosure of the shell 5 can adopt an elliptical ball type end enclosure or a flat cover end enclosure and the like.

Claims

1. An integrated form steam vent muffler which characterized in that: the device comprises a shell (5) with a bottom end socket, wherein a diffusion pipe (14) is fixed in the shell (5), a plurality of primary throttle pipes (1) are arranged in the diffusion pipe (14), a secondary throttle pipe (2) is arranged outside each primary throttle pipe (1), a plurality of dense small holes are uniformly distributed in the diffusion pipe (14), the primary throttle pipes (1) and the secondary throttle pipes (2), and the bottom end of each primary throttle pipe (1) penetrates through the bottom end socket of the shell (5); a bottom seal head of the shell (5) outside the diffusion pipe (14) is provided with a condensation discharge port (3); a lower sound absorbing screen (4) is arranged on the shell (5) outside the diffusion pipe (14).

2. The integrated steam vent muffler of claim 1, wherein: a middle support (12) and an upper limiting frame (7) are fixed inside the shell (5) above the diffusion pipe (14), and an upper sound absorbing screen (11) is arranged on the inner wall of the shell (5) between the middle support (12) and the upper limiting frame (7).

3. The integrated steam vent muffler of claim 2, wherein: an anti-bird net (10) is arranged above the upper limiting frame (7).

4. The integrated steam vent muffler of claim 1, wherein: rain-proof cap (9) is arranged at the top of the shell (5), and the rain-proof cap (9) is fixedly connected with ear seats (8) on the periphery of the top end of the shell (5) through bolts.

5. The integrated steam vent muffler of claim 1, wherein: the diffusion pipe (14) and the secondary throttle pipe (2) are respectively fixedly connected with the bottom end enclosure of the shell (5), and reinforcing plates (6) are arranged at the joint of the diffusion pipe (14) and the bottom end enclosure of the shell (5) and the joint of the secondary throttle pipe (2) and the bottom end enclosure of the shell (5).

6. The integrated steam vent muffler of claim 1, wherein: the middle part of the outer wall of the shell (5) is provided with a support lug (13).

7. The integrated steam vent muffler of any one of claims 1 to 6, wherein: the number of the first-stage throttle pipes (1) in the diffusion pipe (14) is 2-5.