High-temperature-resistant boiler steam pipe silencer

Abstract

The utility model discloses a high-temperature-resistant silencer for a boiler steam pipe. The high-temperature-resistant silencer comprises a silencing pipe body, the silencing mechanism is installed on the silencing pipe body, the silencing mechanism comprises a silencing shell arranged on the silencing pipe body in a sleeving mode, a plurality of silencing assemblies arranged at equal intervals are arranged on the inner wall of the silencing shell, and silencing hole plates are arranged among the silencing assemblies. The silencing assembly comprises a mounting shell fixedly connected to the inner wall of the silencing shell. According to the utility model, the spiral bulge is arranged, so that steam in the silencing pipe body can be spirally conveyed along the spiral bulge when circulating, the noise generated during steam flowing is reduced, meanwhile, the silencing pore plate and the damping fin are arranged, the noise generated by the silencing pipe body can be absorbed, and under the buffering and noise reduction effects of the connecting spring, the noise is reduced, and the noise is reduced. The noise generated when the silencing pipe body conveys steam can be effectively reduced, and therefore the practicability of the steam pipe silencer is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of steam pipe silencers, and particularly relates to a high-temperature resistant boiler steam pipe silencer. Background Technique

[0002] The existing steam pipe silencers are applicable to safety valves of pressure devices such as safety valves (power relief valves) of power station boilers, drum safety valves, superheater safety valves, and reheater safety valves. The silencers adopt the anti-spray resistance composite sound absorption and noise elimination principle, in which large holes are used to expand the capacity instead of the smaller diameter flow control holes. The mechanism of resistance and resistance sound absorption, noise elimination and noise reduction by changing frequency is strengthened in the structure, and a more ideal noise elimination and noise reduction effect is achieved.

[0003] For example, the Chinese patent with the publication (announcement) number CN213629341U discloses a high-temperature resistant boiler steam pipe silencer, which includes a silencer main body. An installation seat is integrally formed at the bottom end of the silencer main body. A groove is opened inside the installation seat. First pressing pads are fixedly installed at both ends inside the groove. Slide rods are fixedly installed at both ends of the first pressing pads inside the groove. A movable plate is movably connected inside the groove through the slide rods. An elastic pad is fixedly installed at the connection between the lower surface of the movable plate and the bottom end inside the groove.

[0004] Although the above technical solution solves the corresponding technical problems, the above technical solution still has the following defects:

[0005] The steam pipe silencer of the above technical solution has a poor sound absorption effect on the steam pipe. Content of the Utility Model

[0006] The purpose of the utility model is to provide a high-temperature resistant boiler steam pipe silencer. Not only by setting spiral protrusions, when the steam flows inside the sound absorption pipe body, it can be spirally conveyed along the spiral protrusions, thereby reducing the noise generated during steam flow. At the same time, by setting a sound absorption hole plate and damping sheets, the noise generated by the sound absorption pipe body can be absorbed, and under the buffering and noise reduction effect of the connecting spring, the noise generated when the sound absorption pipe body conveys steam can be effectively reduced, thereby improving the practicability of the steam pipe silencer of the utility model.

[0007] In order to achieve the above purpose, the main technical solutions adopted by the utility model include:

[0008] A high-temperature resistant boiler steam pipe silencer, comprising:

[0009] A sound absorption pipe body;

[0010] A silencing mechanism installed on the silencing pipe body. The silencing mechanism includes a silencing shell sleeved on the silencing pipe body, and a plurality of silencing components arranged at equal distances are provided on the inner wall of the silencing shell. The plurality of silencing components are connected by a silencing orifice plate.

[0011] For the above-mentioned high-temperature resistant boiler steam pipe silencer, wherein, the silencing component includes a mounting shell fixedly connected to the inner wall of the silencing shell. A connecting spring is fixedly connected to the side of the inner wall of the mounting shell. The other side of the connecting spring is fixedly connected to a connecting slider, and the connecting slider is slidably connected to the inner wall of the mounting shell. A connecting slide rod is fixedly connected to the side of the connecting slider away from the connecting spring, and the side of the connecting slide rod close to the silencing orifice plate is fixedly connected to the side of the silencing orifice plate.

[0012] For the above-mentioned high-temperature resistant boiler steam pipe silencer, wherein, spiral protrusions are provided on the inner wall of the silencing pipe body.

[0013] For the above-mentioned high-temperature resistant boiler steam pipe silencer, wherein, sound insulation cotton is provided on the outside of the silencing shell. A wear-resistant layer is provided on one side of the sound insulation cotton, and an adhesive layer is provided on the other side of the sound insulation cotton.

[0014] For the above-mentioned high-temperature resistant boiler steam pipe silencer, wherein, the side of the sound insulation cotton close to the silencing shell is adhered to the outer wall of the silencing shell through the adhesive layer.

[0015] For the above-mentioned high-temperature resistant boiler steam pipe silencer, wherein, damping sheets are further provided on the inner wall of the silencing orifice plate at positions corresponding to the silencing pipe body.

[0016] The present utility model has at least the following beneficial effects:

[0017] In the present utility model, a high-temperature resistant boiler steam pipe silencer is realized. Not only by setting spiral protrusions, when the steam flows inside the silencing pipe body, it can be spirally conveyed along the spiral protrusions, thereby reducing the noise generated during steam flow. At the same time, by setting the silencing orifice plate and damping sheets, the noise generated by the silencing pipe body can be absorbed, and under the buffering and noise reduction effect of the connecting spring, the noise generated when the silencing pipe body conveys steam can be effectively reduced, thereby improving the practicability of the steam pipe silencer of the present utility model. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings described herein are used to provide a further understanding of the present application, and constitute a part of the present application. The schematic embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation to the present application. In the drawings:

[0019] Figure 1 It is a schematic structural diagram of the high-temperature resistant boiler steam pipe silencer of the present utility model;

[0020] Figure 2 It is a schematic cross-sectional structure diagram of a sound-absorbing pipe body in a high-temperature resistant boiler steam pipe silencer of the present utility model;

[0021] Figure 3 It is a schematic structure diagram of a sound-absorbing mechanism in a high-temperature resistant boiler steam pipe silencer of the present utility model;

[0022] Figure 4 For the present utility model Figure 3 A partial enlarged structure schematic diagram at position A;

[0023] Figure 5 It is a schematic structure diagram of the top view of a sound-absorbing mechanism in a high-temperature resistant boiler steam pipe silencer of the present utility model;

[0024] Figure 6 It is a schematic structure diagram of a sound-absorbing component in a high-temperature resistant boiler steam pipe silencer of the present utility model.

[0025] Explanation of the reference numerals in the drawings:

[0026] 1. Sound-absorbing pipe body; 2. Sound-absorbing mechanism;

[0027] 101. Spiral protrusion;

[0028] 201. Sound-absorbing shell; 202. Sound-absorbing component; 203. Sound-absorbing orifice plate;

[0029] 2011. Sound insulation cotton;

[0030] 20111. Wear-resistant layer; 20112. Adhesive layer;

[0031] 2021. Installation shell; 2022. Connecting spring; 2023. Connecting slider; 2024. Connecting slide bar; 2031. Damping sheet. Detailed implementation manners

[0032] The following will cooperate with the drawings and embodiments to detail the implementation manners of the present application, so as to fully understand the implementation process of how the present application uses technical means to solve technical problems and achieve technical effects and implement accordingly.

[0033] In the description of the embodiments of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the embodiments of the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the embodiments of the present utility model.

[0034] In the description of the embodiments of the present utility model, it should be noted that unless otherwise clearly specified and limited, the terms "installation", "connection", and "coupling" should be understood in a broad sense. For example, it can be a fixed connection, an integral connection, or a detachable connection; it can be the communication inside two components; it can be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present utility model can be understood according to specific circumstances.

[0035] Please refer to Figures 1 to 6 As shown, an anti-noise device for a high-temperature boiler steam pipe provided by an embodiment of the present utility model includes: a silencing pipe body 1 and a silencing mechanism 2 installed on the silencing pipe body 1;

[0036] Please refer to Figures 1 to 6 As shown, the silencing mechanism 2 includes a silencing shell 201 sleeved on the silencing pipe body 1. A plurality of silencing components 202 arranged at equal intervals are provided on the inner wall of the silencing shell 201. The plurality of silencing components 202 are connected through a silencing hole plate 203;

[0037] Please refer to Figures 1 to 6 As shown, the silencing component 202 includes a mounting shell 2021 fixedly connected to the inner wall of the silencing shell 201. A connecting spring 2022 is fixedly connected to the side of the inner wall of the mounting shell 2021. The other side of the connecting spring 2022 is fixedly connected to a connecting slider 2023, and the connecting slider 2023 is slidably connected to the inner wall of the mounting shell 2021. A connecting slide bar 2024 is fixedly connected to the side of the connecting slider 2023 away from the connecting spring 2022. The side of the connecting slide bar 2024 close to the silencing hole plate 203 is fixedly connected to the side of the silencing hole plate 203.

[0038] Please refer to Figures 1 to 6 As shown, a spiral protrusion 101 is provided on the inner wall of the silencing pipe body 1;

[0039] By adopting the above technical solution, when the steam flows inside the silencing pipe body 1, the spiral protrusion 101 enables the steam to be conveyed spirally along the spiral protrusion 101, thereby reducing the noise generated during the steam flow.

[0040] Please refer to Figures 1 to 6 As shown, a sound insulation cotton 2011 is provided on the outer side of the silencing shell 201. A wear-resistant layer 20111 is provided on one side of the sound insulation cotton 2011. An adhesive layer 20112 is provided on the other side of the sound insulation cotton 2011. The side of the sound insulation cotton 2011 close to the silencing shell 201 is adhered to the outer wall of the silencing shell 201 through the adhesive layer 20112;

[0041] By adopting the above technical solution, the wear resistance of the sound insulation cotton 2011 is increased by setting the wear-resistant layer 20111, and the convenience of bonding the sound insulation cotton 2011 to the outer wall of the sound insulation shell 201 is increased by setting the bonding layer 20112.

[0042] Please refer to Figures 1 to 6 As shown, a damping sheet 2031 is further provided on the inner wall of the sound absorption hole plate 203 and corresponding to the position of the sound absorption pipe body 1;

[0043] By adopting the above technical solution, since the damping sheet 2031 has excellent vibration reduction and noise reduction performance, heat resistance, cold resistance and anti-aging properties, by setting the damping sheet 2031, not only can the vibration generated by the sound absorption pipe body 1 be adsorbed, thereby reducing the noise generated when the sound absorption pipe body 1 conveys steam, but also the heat resistance performance of the silencer is increased.

[0044] The working principle of the present invention is: not only by setting the spiral protrusion 101, when the steam flows inside the sound absorption pipe body 1, it can be spirally conveyed along the spiral protrusion 101, thereby reducing the noise generated during steam flow. At the same time, by setting the sound absorption hole plate 203 and the damping sheet 2031, the noise generated by the sound absorption pipe body 1 can be absorbed, and under the buffering and noise reduction effect of the connecting spring 2022, the noise generated when the sound absorption pipe body 1 conveys steam can be effectively reduced, thereby improving the practicability of the steam pipe silencer of the present invention.

[0045] The above description shows and describes several preferred embodiments of the present invention. However, as mentioned above, it should be understood that the present invention is not limited to the form disclosed herein, should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the present invention's concept through the above teachings or the technology or knowledge in related fields. And the modifications and changes made by those skilled in the art that do not depart from the spirit and scope of the present invention shall fall within the protection scope of the appended claims of the present invention.

Claims

1. A high temperature resistant boiler steam pipe silencer, characterized in that: include: Silencer pipe body (1); A silencer mechanism (2) is mounted on the silencer pipe body (1), the silencer mechanism (2) comprising a silencer shell (201) sleeved on the silencer pipe body (1), a plurality of silencer components (202) arranged at equal distances are arranged on the inner wall of the silencer shell (201), and silencer orifice plates (203) are provided between the plurality of silencer components (202).

2. A high temperature resistant boiler steam pipe silencer according to claim 1, characterized in that: The silencer assembly (202) comprises a mounting shell (2021) fixedly connected to the inner wall of the silencer shell (201); a connecting spring (2022) is fixedly connected to the side of the inner wall of the mounting shell (2021); a connecting slider (2023) is fixedly connected to the other side of the connecting spring (2022); and the connecting slider (2023) is slidably connected to the inner wall of the mounting shell (2021); a connecting slide bar (2024) is fixedly connected to the side of the silencer hole plate (203) on the side of the connecting slider (2023) away from the connecting spring (2022); and a connecting slide bar (2024) is fixedly connected to the side of the silencer hole plate (203) on the side of the connecting slide bar (2024) close to the silencer hole plate (203).

3. A high temperature resistant boiler steam pipe silencer according to claim 2, characterized in that: A spiral protrusion (101) is provided on the inner wall of the silencer pipe body (1).

4. A high temperature resistant boiler steam pipe silencer according to claim 3, characterized in that: The outer side of the sound-absorbing shell (201) is provided with sound-insulating cotton (2011), one side of the sound-insulating cotton (2011) is provided with a wear-resistant layer (20111), and the other side of the sound-insulating cotton (2011) is provided with an adhesive layer (20112).

5. A high temperature resistant boiler steam pipe silencer according to claim 4, characterized in that: The side of the sound insulation cotton (2011) close to the sound-absorbing shell (201) is bonded to the outer wall of the sound-absorbing shell (201) through the bonding layer (20112).

6. A high temperature resistant boiler steam pipe silencer according to claim 5, characterized in that: A damping sheet (2031) is also provided on the inner wall of the silencer hole plate (203) and at a position corresponding to the silencer pipe body (1).

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