CN210837156U - Annular flow guiding silencer - Google Patents

Annular flow guiding silencer Download PDF

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Publication number
CN210837156U
CN210837156U CN201921606217.1U CN201921606217U CN210837156U CN 210837156 U CN210837156 U CN 210837156U CN 201921606217 U CN201921606217 U CN 201921606217U CN 210837156 U CN210837156 U CN 210837156U
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China
Prior art keywords
noise reduction
water conservancy
conservancy diversion
wall
flow
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CN201921606217.1U
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Chinese (zh)
Inventor
孙文强
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Henan Fusheng Environmental Protection Technology Co ltd
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Henan Fusheng Environmental Protection Technology Co ltd
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Abstract

The utility model relates to a building engineering amortization equipment technical field, concretely relates to annular water conservancy diversion muffler, including a noise reduction section of thick bamboo and the mechanism of making an uproar falls, a noise reduction section of thick bamboo is cylindric and its one end is equipped with the first connecting cover that is used for connecting to treat the noise cancelling parts, the mechanism of making an uproar falls installs the other end at a noise reduction section of thick bamboo, the mechanism of making an uproar falls including making an uproar fall and guide assembly, it is the conical surface that a torus and its inner wall increase gradually for the diameter from one end to the other end to fall a noise reduction section of thick bamboo, set up on the rampart of a noise reduction section of thick bamboo and install guide assembly in cavity, be equipped with multiunit micropore circle on the conical surface of a noise reduction section of thick bamboo, the uncovered and be connected with the second connecting.

Description

Annular flow guiding silencer
Technical Field
The utility model relates to a building engineering amortization equipment technical field, concretely relates to annular water conservancy diversion muffler.
Background
Silencers are a device that prevents sound transmission while allowing airflow through, and are an important measure for eliminating aerodynamic noise. The silencer is a device for reducing noise, which is arranged on an airflow channel of air power equipment (such as a blower, an air compressor, a boiler exhaust port, a generator, a water pump and other equipment with high noise at an exhaust port) or in an air inlet and exhaust system. The existing silencer adopts a petal-shaped structure, and depends on the concave-convex structure of the inner cavity of the silencer to diffuse and reflect sound, so that the silencer is finally discharged, airflow noise caused by direct exhaust of a flange exhaust port is avoided, and the purpose of noise reduction is achieved.
SUMMERY OF THE UTILITY MODEL
The utility model provides an annular water conservancy diversion muffler, including a noise reduction section of thick bamboo and the mechanism of making an uproar falls, a noise reduction section of thick bamboo is cylindric and its one end is equipped with the first connecting cover that is used for connecting to treat the amortization part, the mechanism of making an uproar falls installs the other end at a noise reduction section of thick bamboo, the mechanism of making an uproar falls including falling a noise section of thick bamboo and guide assembly, it is the conical surface that the diameter gradually increases from one end to the other end for a torus and its inner wall to fall, set up on the rampart of a noise reduction section of thick bamboo and install guide assembly in cavity and the cavity, be equipped with multiunit micropore circle on the conical surface of a noise reduction section of thick bamboo, the uncovered and be connected with the second connecting cover of falling the uncovered one end terminal surface.
The utility model particularly provides an annular water conservancy diversion muffler, including the amortization section of thick bamboo and the mechanism of making an uproar falls, the amortization section of thick bamboo is equipped with the first connecting cover that is used for connecting tube for cavity barrel and its one end admittedly, falls the mechanism of making an uproar and installs the other end at the amortization section of thick bamboo, falls the mechanism of making an uproar and falls including falling a section of thick bamboo and guiding component, fall the ring body that the cavity plenum chamber was seted up to the section of thick bamboo of making an uproar for rampart is inside, fall the inner wall that the section of thick bamboo of making an uproar and for the diameter along the axial gradually crescent conical surface and along the axial seted up a plurality of micropore circles, fall the big one end of a section of thick bamboo internal diameter of making an uproar and be connected with the amortization section of thick bamboo, the one end that the internal.
As the utility model discloses the further scheme of annular water conservancy diversion muffler, first connection lid and second connection lid are the circular slab, and face central authorities have seted up the perforation and the perpendicular rigid coupling of perforation department has the connecting pipe that is used for with the pipe connection, the tip of connecting pipe is equipped with the screw thread.
As a further proposal of the annular diversion muffler, the second connecting cover is filled with silencing cotton for the double-layer circular plate and between the two-layer circular plate, and a plurality of openings are all arranged on the two-layer circular plate.
As a further aspect of the annular diversion muffler of the present invention, the annular micropore assembly formed by the plurality of micropores provided along the circumferential direction is provided by the micropore ring.
As the utility model discloses the further scheme of annular water conservancy diversion muffler, the water conservancy diversion subassembly is including being annular first water conservancy diversion piece of circle and second water conservancy diversion piece, and the arc wall has all been seted up along the circumferencial direction to the ring outer wall of first water conservancy diversion piece and the ring inner wall of second water conservancy diversion piece, and a plurality of first water conservancy diversion pieces and a plurality of second water conservancy diversion pieces are along the crisscross setting of the axis direction of making an uproar section of thick bamboo of falling and the notch dislocation of arc wall to the guide is followed the trompil of cavity chamber in micropore circle entering and is covered from the second connection and is discharged.
As a further proposal of the annular diversion silencer, the sound absorption cotton lining is adhered to the arc groove wall of the first flow deflector and the second flow deflector.
As the utility model discloses the further scheme of annular water conservancy diversion muffler, the arc wall inner wall of first water conservancy diversion piece and second water conservancy diversion piece has evenly set firmly a plurality of water conservancy diversion archs along the circumferencial direction, and the water conservancy diversion is protruding along axial spiral to thereby form a plurality of spiral helicine guiding gutters in the arc wall and change the air current direction.
Advantageous effects
The noise reduction cylinder is a circular ring body with a hollow cavity arranged in the annular wall, the inner wall of the noise reduction cylinder is a conical surface with the diameter gradually increasing along the axial direction, a plurality of micro-hole rings are arranged on the conical surface along the axial direction, the end face of the small inner diameter end of the noise reduction cylinder is open and is provided with a second connecting cover, the second connecting cover is a double-layer circular plate with a plurality of openings arranged on the plate surface, silencing cotton is filled between the two layers of plates, the large diameter end of the noise reduction cylinder is connected to one end of the noise reduction cylinder, and part of sound or air flow entering the interior from the first connecting cover of the noise reduction cylinder enters the cavity of the noise reduction cylinder and is guided and reduced in a; the water conservancy diversion subassembly includes along a plurality of first water conservancy diversion pieces and a plurality of second water conservancy diversion pieces of the crisscross setting of axial direction, the arc wall of first water conservancy diversion piece and second water conservancy diversion piece is equipped with cotton inside lining of sound absorption and notch dislocation set, so that the air current and the sound that get into the cavity from the micropore circle of making an uproar on the cone face of falling falls, discharge after making an uproar repeatedly, it is protruding to be equipped with a plurality of water conservancy diversion on the arc wall inner wall of first water conservancy diversion piece and second water conservancy diversion piece, the protruding axial spiral of following of water conservancy diversion, thereby can change the air current direction in the amortization, strengthen the noise.
Drawings
FIG. 1 is a schematic sectional view of the muffler of the present invention;
FIG. 2 is a perspective view of the muffler of the present invention;
the labels in the figure are: 1. the noise reduction device comprises a silencing barrel, 2, a first connecting cover, 3, a noise reduction barrel, 4, a second connecting cover, 5, a connecting pipe, 6, a second flow deflector, 7 and a first flow deflector.
Detailed Description
As shown in the figure: the annular flow guide silencer comprises a silencing barrel 1 and a noise reduction mechanism, wherein the silencing barrel 1 is a hollow cylinder, one end of the silencing barrel 1 is fixedly provided with a first connecting cover 2 used for connecting a pipeline, the first connecting cover 2 is a circular plate, a connecting pipe 5 vertically penetrates through the center of the plate surface, the other end of the silencing barrel 1 is provided with the noise reduction mechanism, the noise reduction mechanism comprises a noise reduction barrel 3 and a flow guide assembly, the noise reduction barrel 3 is a circular ring structure with a hollow cavity arranged in the ring wall, the inner wall of the noise reduction barrel 3 is a conical surface which is directly and gradually enlarged along the axial direction, the conical surface is provided with a plurality of micropore rings, each micropore ring is a circular micropore set formed by a plurality of micropores, one end with a large inner diameter of the noise reduction barrel 3 is connected with the silencing barrel 1, the end surface with a small inner diameter is opened and is connected with a second connecting cover 4, the second connecting cover 4 is a double-layer circular plate, a plurality of openings are formed in the two layers of circular plates of the second connecting cover 4, and silencing cotton is filled between the two layers of circular plates;
the flow guide assembly is arranged in a hollow cavity of the noise reduction cylinder 3, the number of the flow guide assembly is equal to the number of the micropore circles, each flow guide assembly corresponds to one micropore circle, the flow guide assembly comprises a plurality of first flow guide pieces 7 and a plurality of second flow guide pieces 6, the first flow guide pieces 7 and the second flow guide pieces 6 are both circular, arc-shaped grooves are formed in the outer wall of the circular ring of each first flow guide piece 7 and the inner wall of the circular ring of each second flow guide piece 6 along the circumferential direction, the diameter of each first flow guide piece 7 is slightly larger than that of each second flow guide piece 6, the first flow guide pieces 7 and the second flow guide pieces 6 are arranged in a staggered mode, so that gas entering through the micropore circles is guided to flow to the second connecting cover 4, and sound absorption cotton linings are adhered to arc-shaped grooves of the first flow guide pieces 7; preferably, a plurality of guide protrusions are arranged in the arc-shaped grooves of the first guide plate 7 and the second guide plate 6 along the circumferential direction so as to divide the arc-shaped grooves into a plurality of guide grooves, the guide protrusions extend along the spiral direction, and the guide protrusions of the plurality of guide plates are sequentially and correspondingly connected with each other so as to guide airflow, sound and the like to be conveyed towards the direction of the second connecting cover 4 in a spiral shape.
The annular diversion silencer is connected into the pipeline through the first connecting cover 2 and the second connecting cover 4, one part of the pipeline airflow in the noise reduction cylinder 3 is directly discharged from the other end of the noise reduction cylinder 3, the other part of the pipeline airflow enters the hollow cavity through the microporous ring, the pipeline airflow is conveyed towards the direction of the second connecting cover 4 in a wavy line mode under the action of the diversion component, noise reduction treatment is carried out under the action of the sound absorption cotton lining of the arc-shaped groove, one part of the airflow in the hollow cavity is guided towards the direction of the second connecting cover 4 under the action of the first flow deflectors 7 and the second flow deflectors 6 and is simultaneously subjected to noise reduction treatment by the sound absorption cotton lining in the arc-shaped groove, the other part of the airflow is guided out of the diversion component to be in a disordered state and is conveyed to the second connecting cover 4 under the action of pressure to be discharged, the interlayer of the second connecting cover 4 is filled with the sound attenuation cotton, the utility model discloses a multiple noise reduction operation of shunting and, and the noise reduction effect is ensured.
The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above embodiments, and although the present invention has been disclosed with the preferred embodiments, it is not limited to the present invention, and any skilled person in the art can make some modifications or equivalent changes without departing from the technical scope of the present invention.

Claims (7)

1. Annular water conservancy diversion muffler, its characterized in that: comprises a silencing barrel (1) and a noise reduction mechanism, wherein the silencing barrel (1) is a hollow barrel body, one end of the silencing barrel (1) is fixedly provided with a first connecting cover (2) for connecting a pipeline, the noise reduction mechanism is arranged at the other end of the silencing barrel (1) and comprises a noise reduction barrel (3) and a flow guide assembly, the noise reduction cylinder (3) is a ring body with a hollow cavity arranged in the ring wall, the inner wall of the noise reduction cylinder (3) is a conical surface with the diameter gradually increasing along the axial direction and is provided with a plurality of microporous rings along the axial direction, one end with a large inner diameter of the noise reduction barrel (3) is connected with the silencing barrel (1), the other end with a small inner diameter is provided with a second connecting cover (4) for connecting a pipeline, a plurality of openings are arranged on the second connecting cover (4), the flow guide assemblies are arranged in the hollow cavity chamber of the noise reduction cylinder (3), and the flow guide assemblies are multiple and correspond to one micro-hole ring respectively for flow guide.
2. The annular flow directing silencer according to claim 1, wherein: the first connecting cover (2) and the second connecting cover (4) are both circular plates, a through hole is formed in the center of the plate surface, a connecting pipe (5) connected with a pipeline is fixedly connected to the through hole in a vertical mode, and threads are arranged at the end portion of the connecting pipe (5).
3. The annular flow directing silencer according to claim 2, wherein: the second connecting cover (4) is a double-layer circular plate, silencing cotton is filled between the two layers of circular plates, and a plurality of holes are formed in the two layers of circular plates.
4. The annular flow directing silencer according to claim 1, wherein: the micropore ring is a circular micropore set consisting of a plurality of micropores arranged along the circumferential direction.
5. The annular flow directing silencer according to claim 1, wherein: the water conservancy diversion subassembly is including being annular first water conservancy diversion piece (7) and second water conservancy diversion piece (6) of circle, the arc wall has all been seted up along the circumferencial direction to the ring outer wall of first water conservancy diversion piece (7) and the ring inner wall of second water conservancy diversion piece (6), and a plurality of first water conservancy diversion pieces (7) and a plurality of second water conservancy diversion piece (6) are along the crisscross setting of the axis direction of making an uproar section of thick bamboo (3) and the notch dislocation of arc wall to the guide is followed the trompil of the air current that the micropore circle got into cavity chamber and is discharged from second connection lid (4).
6. The annular flow directing silencer according to claim 5, wherein: and sound absorption cotton linings are adhered to the wall of the arc-shaped grooves of the first flow deflector (7) and the second flow deflector (6).
7. The annular flow directing silencer according to claim 5, wherein: the inner walls of the arc-shaped grooves of the first flow deflector (7) and the second flow deflector (6) are uniformly and fixedly provided with a plurality of flow guide bulges along the circumferential direction, and the flow guide bulges are spirally arranged along the axial direction so as to form a plurality of spiral flow guide grooves in the arc-shaped groove and change the direction of air flow.
CN201921606217.1U 2019-09-25 2019-09-25 Annular flow guiding silencer Active CN210837156U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921606217.1U CN210837156U (en) 2019-09-25 2019-09-25 Annular flow guiding silencer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921606217.1U CN210837156U (en) 2019-09-25 2019-09-25 Annular flow guiding silencer

Publications (1)

Publication Number Publication Date
CN210837156U true CN210837156U (en) 2020-06-23

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Application Number Title Priority Date Filing Date
CN201921606217.1U Active CN210837156U (en) 2019-09-25 2019-09-25 Annular flow guiding silencer

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109441784A (en) * 2018-12-26 2019-03-08 南京舒普思达医疗设备有限公司 A kind of compressor noise-reduction filter device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109441784A (en) * 2018-12-26 2019-03-08 南京舒普思达医疗设备有限公司 A kind of compressor noise-reduction filter device

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