CN220581979U - Silencer for steam blowpipe - Google Patents

Abstract

The utility model relates to a silencer for a steam blowing pipe, which aims at solving the technical problem that the steam blowing pipe is one of noise sources and cannot be used for silencing noise generated by the vibration of the steam blowing pipe, and comprises a steam outer pipe and also comprises: an outer silencing shell penetrating the outside of the steam outer tube; according to the silencing mechanism, the outer silencing shell is covered on the outer side of the steam outer pipe, noise generated by the vibration of the steam blowing pipe can be silenced, the plurality of sound insulation plates are arranged in the outer silencing shell, the porous sound absorption plates are arranged in the sound insulation plates, multiple blocking of the noise generated by the vibration of the steam blowing pipe can be achieved, efficient noise reduction and silencing are achieved, the acoustic reflection plates are arranged on two sides of the porous sound absorption plates, the acoustic reflection plates can be matched with the porous sound absorption plates, multiple blocking is achieved, and the noise reduction and silencing effect is further improved.

Description

Silencer for steam blowpipe

Technical Field

The utility model relates to the field of silencing of steam blowpipes, in particular to a silencer for a steam blowpipe.

Background

The muffler of the blowpipe is tried out from the beginning of the century, so that the noise level generated by the steam blowpipe of the large-scale unit is greatly improved.

According to the silencer disclosed in the publication CN202021456023.0 for the steam blowing pipe, the silencer comprises a shell, wherein the shell comprises a shell straight pipe section, an elbow and a steam outlet straight pipe which are fixedly connected in sequence and communicated with each other; the shell comprises a straight pipe section, an inner core pipe and an outer core pipe, wherein the inner core pipe is fixed in the straight pipe section, the outer core pipe is sleeved and fixed outside the inner core pipe, a plurality of inner silencing holes are formed in the inner core pipe, and a plurality of outer silencing holes are formed in the outer core pipe; an end plate for blocking the section between the inner core tube and the outer core tube and the section between the outer core tube and the straight tube section of the shell is fixed at the steam inlet end, and a sealing head is fixed at the end parts of the inner core tube and the outer core tube, which are positioned close to the elbow; the steam outlet straight pipe is internally fixed with a steam outlet flow guiding mechanism for guiding steam. The utility model can reduce noise and influence on surrounding environment, and in the process of realizing the utility model, the inventor finds that at least the following problems in the prior art are not solved, and although the problem of noise disturbance is solved by adopting a steam outlet diversion mechanism which is formed by connecting a straight pipe section of a shell with a steam outlet straight pipe and is combined with the steam outlet straight pipe, in the use process, the traditional silencing mechanism is generally arranged at one side and the inside of a steam blowing pipe, and because the steam blowing pipe can generate vibration phenomenon in the use process, the steam blowing pipe is one of noise sources, and can not silence noise generated by the vibration of the steam blowing pipe. For this reason, new solutions need to be designed to solve.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art, adapt to the actual needs, and provide the silencer for the steam blowing pipe, so as to solve the technical problems that the traditional silencing mechanism is generally arranged at one side and inside of the steam blowing pipe in the current use process, and the steam blowing pipe is one of noise sources and cannot silence noise generated by the vibration of the steam blowing pipe because the vibration phenomenon can be generated in the use process of the steam blowing pipe.

In order to achieve the purpose of the utility model, the technical scheme adopted by the utility model is as follows: the design is muffler for steam blowpipe, including the steam outer tube, still include:

the outer silencing shell penetrates through the outside of the steam outer pipe, and the penetrating position of the outer silencing shell and the steam outer pipe is connected through a screw;

the silencing mechanism is arranged in the outer silencing shell and can respectively carry out silencing from the outside of the steam outer pipe through the outer silencing shell and the silencing mechanism, and comprises a plurality of sound insulation plates which are connected inside the outer silencing shell by bolts, and the steam outer pipe is penetrated inside the sound insulation plates;

the sound insulation board is internally provided with a cavity, a porous sound absorption board is fixedly connected inside the cavity, and two sides of the porous sound absorption board are respectively and fixedly connected with a first acoustic reflection board and a second acoustic reflection board.

Preferably, limit rods penetrate through four corners of the sound insulation plate, and outer silencing shells are fixedly connected to two sides of the limit rods.

Preferably, the steam outer pipe is located the outer wall both sides of outer amortization casing and runs through respectively has first solid fixed ring and second solid fixed ring, and first solid fixed ring and second solid fixed ring are located between a plurality of acoustic baffles.

Preferably, four limit rods are connected with the first fixing ring and the second fixing ring by adopting screws.

Preferably, a plurality of silk screens are fixedly connected to the inner wall of the steam outer tube.

Preferably, a steam inner pipe is communicated between the silk screens.

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

1. according to the utility model, through the combination of the steam outer pipe and the outer silencing shell, the outer silencing shell is covered on the outer side of the steam outer pipe, noise generated by the vibration of the steam blowing pipe can be silenced, the inner part of the outer silencing shell is provided with a plurality of sound insulation plates, the sound insulation plates are internally provided with porous sound absorption plates, multiple isolation of the noise generated by the vibration of the steam blowing pipe can be realized, efficient noise reduction and silencing are realized, the acoustic reflection plates are arranged on two sides of each porous sound absorption plate, the acoustic reflection plates can be matched with the porous sound absorption plates to realize multiple isolation, the noise reduction and silencing effect is further improved, and the problems that the vibration phenomenon can be generated in the using process of the steam blowing pipe, the steam blowing pipe is one of noise sources, and the noise generated by the vibration of the steam blowing pipe cannot be silenced are solved.

2. According to the utility model, through the combination of the fixing ring and the limiting rod, the limiting rods can be used for limiting the plurality of sound insulation plates, and the fixing ring can be connected with the fixing ring through the plurality of limiting rods, so that the fixing ring penetrates through the steam outer pipe, the steam outer pipe can be stably limited, the steam outer pipe is prevented from vibrating, and the noise of the steam outer pipe is reduced.

3. According to the utility model, through the steam inner pipe in the steam outer pipe, the steam inner pipe is connected with the steam outer pipe, multiple silencing and noise reduction can be realized, and the outer side of the steam inner pipe is penetrated with a plurality of silk screens, so that the steam can be separated through the silk screens, the flow speed of the steam is reduced, and a large amount of noise generated by friction between the high-speed flowing steam and the pipeline wall is avoided.

Drawings

FIG. 1 is a schematic view of the internal structure of the present utility model;

FIG. 2 is a schematic view of the internal structure of the acoustic panel of the present utility model;

fig. 3 is a schematic view of the internal structure of the steam outer pipe of the present utility model.

In the figure: 1. an outer sound deadening housing; 101. a steam outer tube; 102. a silk screen; 103. a steam inner pipe; 2. a sound insulation board; 201. a limit rod; 202. a connecting rod; 203. a first fixing ring; 204. a second fixing ring; 205. a cavity; 206. a porous sound absorbing panel; 207. a first acoustic reflector plate; 208. and a second acoustic reflection plate.

Detailed Description

The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:

example 1: a silencer for a steam blowing pipe, see fig. 1 to 3, comprising a steam outer pipe 101, further comprising: the outer silencing shell 1 penetrates through the outer part of the steam outer pipe 101, and the penetrating position of the outer silencing shell 1 and the steam outer pipe 101 is connected by adopting a screw; the silencing mechanism is arranged in the outer silencing shell 1 and can respectively carry out silencing from the outside of the steam outer pipe 101 through the outer silencing shell 1 and the silencing mechanism, and comprises a plurality of sound insulation plates 2, the sound insulation plates 2 are connected in the outer silencing shell 1 by bolts, and the steam outer pipe 101 is penetrated in the sound insulation plates 2; cavity 205 has been seted up to acoustic celotex board 2 inside, cavity 205 inside fixedly connected with porous acoustic panel 206, porous acoustic panel 206 both sides are fixedly connected with first acoustic reflecting plate 207 and second acoustic reflecting plate 208 respectively, after steam enters into the steam blowpipe, steam and steam blowpipe inner wall friction produce noise and vibration, owing to be provided with outer amortization casing 1 in the steam blowpipe outside, can carry out the separation to the outside noise that steam blowpipe vibration produced through outer amortization casing 1, be provided with a plurality of acoustic panels 2 inside outer amortization casing 1, owing to be provided with porous acoustic panel 206 in a plurality of acoustic panels 2, can form the separation of multiple sound in outer amortization casing 1 inside, further promoted noise reduction noise elimination effect, be provided with the acoustic reflecting plate in porous acoustic panel 206 both sides, can use through acoustic reflecting plate and porous acoustic panel 206 cooperation, further carry out the separation of multiple sound.

Specifically, referring to fig. 1, the four corners of the sound insulation plate 2 are all penetrated with the limiting rods 201, and the two sides of the limiting rods 201 are fixedly connected with the outer silencing shell 1, and the plurality of sound insulation plates 2 can be limited by the plurality of limiting rods 201 through the limiting rods 201, so that noise generated by vibration of the sound insulation plate 2 is avoided.

Further, referring to fig. 1, the steam outer tube 101 is located at two sides of the outer wall of the outer silencing shell 1 and penetrates through the first fixing ring 203 and the second fixing ring 204 respectively, and the first fixing ring 203 and the second fixing ring 204 are located between the plurality of sound insulation plates 2, and due to the fact that the sound insulation rods are connected with the first fixing ring 203 and the second fixing ring 204 through the connecting rods 202, the steam outer tube 101 can be stabilized through the two fixing rings, the steam outer tube 101 is prevented from shaking, and accordingly noise generated by shaking of the steam outer tube 101 is reduced.

It should be noted that, referring to fig. 1, four limit rods 201 are connected to the first fixing ring 203 and the second fixing ring 204 by screws to form a connecting rod 202.

It is noted that, referring to fig. 3, the inner wall of the steam outer tube 101 is fixedly connected with a plurality of screens 102, and by arranging a plurality of screens 102, steam can be separated through the screens 102, so that the flow rate of the steam is reduced, and a large amount of noise generated by friction between the high-speed flowing steam and the wall of the pipeline is avoided.

It should be noted that, referring to fig. 3, the multiple wires 102 are communicated with the steam inner tube 103, and the steam inner tube 103 is connected with the steam outer tube 101 to realize multiple blocking and silencing on sound.

In addition, the components designed by the utility model are all universal standard components or components known by the person skilled in the art, the structures and principles of the components are all known by the person skilled in the art through technical manuals or known by routine experimental methods, and the utility model can be completely realized by the person skilled in the art.

The embodiments of the present utility model are disclosed as preferred embodiments, but not limited thereto, and those skilled in the art will readily appreciate from the foregoing description that various modifications and variations can be made without departing from the spirit of the present utility model.

Claims (6)

1. A silencer for a steam blowing pipe, comprising a steam outer pipe (101), characterized by further comprising:

the outer silencing shell (1) penetrates through the outer part of the steam outer pipe (101), and the penetrating position of the outer silencing shell (1) and the steam outer pipe (101) is connected by adopting a screw;

the silencing mechanism is arranged in the outer silencing shell (1) and can be used for silencing from the outside of the steam outer pipe (101) through the outer silencing shell (1) and the silencing mechanism, the silencing mechanism comprises a plurality of sound insulation plates (2), the sound insulation plates (2) are connected in the outer silencing shell (1) by screws, and the steam outer pipe (101) is penetrated in the sound insulation plates (2);

the sound insulation board (2) is internally provided with a cavity (205), a porous sound absorption board (206) is fixedly connected inside the cavity (205), and a first acoustic reflection board (207) and a second acoustic reflection board (208) are respectively and fixedly connected to two sides of the porous sound absorption board (206).

2. A silencer for a steam blowing pipe according to claim 1, wherein limiting rods (201) penetrate through four corners of the sound insulation plate (2), and outer silencing shells (1) are fixedly connected to two sides of the limiting rods (201).

3. A silencer for a steam blowing pipe according to claim 1, characterized in that the steam outer pipe (101) is located on both sides of the outer wall of the outer silencing shell (1) and is penetrated by a first fixing ring (203) and a second fixing ring (204), respectively, and the first fixing ring (203) and the second fixing ring (204) are located between a plurality of sound insulation plates (2).

4. A silencer for a steam blowing pipe according to claim 2, characterized in that four of the limit rods (201) are connected with the first fixing ring (203) and the second fixing ring (204) by means of screws with connecting rods (202).

5. A silencer for a steam blowing pipe according to claim 1, characterized in that the inner wall of the steam outer pipe (101) is fixedly connected with a plurality of wire screens (102).

6. A silencer for steam blowpipe as claimed in claim 5, wherein a plurality of said wires (102) are connected with each other by a steam inner pipe (103).