Silencer for steam exhaust of boiler pipeline

Abstract

The utility model provides a silencer for steam exhaust of a boiler pipeline, which relates to the technical field of silencers and comprises a silencing pipe, a pipe cover is mounted on the surface of one end of the silencing pipe, a cleaning and water absorbing component is arranged on the pipe cover, a plurality of silencing holes are equidistantly formed in the circumferential surface of the silencing pipe, a connecting disc is mounted on the surface of the other end of the silencing pipe, and a water absorbing component is arranged on the connecting disc. A worker rotates the rotating shaft, at the moment, the scraping plate can be driven to rotate on the inner wall of the silencing pipe, the inner wall of the silencing pipe is cleaned, foreign matter is prevented from being attached to the inner wall of the silencing pipe, and the silencing effect is prevented from being affected; the pipe cover is taken out from the top end of the silencing pipe, meanwhile, the rotating shaft can be taken out from the interior of the silencing pipe, meanwhile, the water absorption pad can be taken out and replaced, and the interior of the silencing pipe is cleaned.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of silencer, specifically, relate to a kind of for boiler pipeline exhaust steam silencer. BACKGROUND

[0002] Boiler is a kind of energy conversion equipment, the energy input to boiler has chemical energy in fuel, electric energy, boiler output has certain heat steam, high-temperature water or organic heat carrier.Each time boiler is raised, in order to reach rated pressure and temperature, steam is discharged to air by starting exhaust pipe, and the steam has certain pressure, flow and temperature, so noise is generated, so when discharging steam, silencer needs to be installed on pipeline, such as patent application No.CN201720899179.8 a kind of boiler steam pipe silencer, including the adapter pipe in communication with steam pipe, further including a pressure relief bottom bin, the adapter pipe extends into pressure relief bottom bin, the adapter pipe gas outlet points to the bottom surface of pressure relief bottom bin, a horizontal screen is arranged in pressure relief bottom bin, screen is located below the gas outlet of adapter pipe, pressure relief bottom bin is filled with water, water level is below the position of screen, gas inlet is arranged on the bottom surface of pressure relief bottom bin, exhaust nozzle and water filling pipe are arranged on the top end of pressure relief bottom bin;The top surface of pressure relief bottom bin is closed, and through hole is arranged in the center, and through hole is communicated with first silencer pipe, the top end of first silencer pipe is closed, and the outer cover of first silencer pipe has a plurality of top-end-closed secondary silencer pipes, and the bottom end of secondary silencer pipe is fixed on the top surface of pressure relief bottom bin, and the side wall of first silencer pipe and secondary silencer pipe is uniformly opened with through hole;The silencer is convenient for filtering impurities, and the sound attenuation effect is better, in the above technical scheme, impurities are easily deposited on the inner wall of silencer pipe, which is not easy to clean, and the sound attenuation hole is blocked, affecting the sound attenuation effect. SUMMARY

[0003] The utility model discloses a main purpose at providing a kind of for boiler pipeline exhaust steam silencer, can effectively solve the problem that the inner wall of silencer pipe is easily deposited with impurities in background art and is not easy to clean, and the sound attenuation hole is blocked, affecting the sound attenuation effect.

[0004] To achieve the above object, the technical scheme adopted by the utility model is: a sound absorber for boiler pipeline exhaust, including the sound-absorption pipe, the sound-absorption pipe one end surface installs the pipe cover, is provided with the cleaning water suction assembly on the pipe cover, the sound-absorption pipe circumference surface equidistantly is provided with a plurality of sound-absorption holes, the sound-absorption pipe other end surface installs the connecting disc, the cleaning water suction assembly installs and includes the rotating shaft, the support ring, the rotating shaft rotation penetrates and is installed on the pipe cover, the support ring is fixedly installed between the sound-absorption pipe inner wall, a plurality of connecting rods are fixedly installed on the rotating shaft side surface equidistantly, the connecting rod top end is fixedly installed with the scraper, the scraper is attached on the sound-absorption pipe inner wall, the rotating shaft top end is installed with the water absorption pad, the rotating shaft top end rotation is installed with the threaded column, the water absorption pad upper end surface is provided with the threaded hole, the threaded column is engaged and is provided in the threaded hole inside, the support ring upper surface is provided with the rotation groove, the water absorption pad lower surface is fixedly installed with the rotating ring, the rotating ring is arranged in the rotation groove inside.

[0005] As preferred, the sound-absorption pipe one end surface is provided with the positioning groove, and the positioning groove inner wall is provided with the internal thread.

[0006] As preferred, the pipe cover surface is fixedly installed with the positioning ring, the positioning ring is arranged in the positioning groove inside, the positioning ring side surface is provided with the external thread, and the external thread is connected with the internal thread.

[0007] Compared with the prior art, the utility model has the advantages of:

[0008] (1) by rotating the rotating shaft, the scraper can be driven to rotate on the inner wall of the sound-absorption pipe, the inner wall of the sound-absorption pipe is cleaned, foreign matters adhered to the inner wall of the sound-absorption pipe are prevented from affecting the sound-absorption effect, the water absorption pad is arranged on the support ring, when the boiler pipeline exhausts, the water absorption pad can adsorb the water in the gas, the sound-absorption efficiency is improved, when the water absorption pad needs to be replaced and the inside of the sound-absorption pipe needs to be cleaned, the worker rotates the pipe cover first, the internal thread is disconnected with the external thread, the positioning ring can be taken out from the positioning groove, the pipe cover can be taken out from the top end of the sound-absorption pipe, the rotating shaft can be taken out from the inside of the sound-absorption pipe, the water absorption pad can be taken out, the worker rotates the threaded column, the threaded column can be taken out from the threaded hole, the water absorption pad can be replaced, and the worker can install and replace the water absorption pad. ACCURACY OF DRAWINGS

[0009] Figure 1 It is a structure schematic view of the utility model for a sound absorber for boiler pipeline exhaust;

[0010] Figure 2 It is a sectional structure schematic view of the utility model for a sound absorber for boiler pipeline exhaust;

[0011] Figure 3 It is a sound-absorbing pipe internal structure schematic view for the sound-absorbing device for boiler pipeline steam exhaust of the utility model;

[0012] Figure 4 It is a pipe cover structure schematic view for the sound-absorbing device for boiler pipeline steam exhaust of the utility model;

[0013] Figure 5 It is a water absorption pad front view structure schematic view for the sound-absorbing device for boiler pipeline steam exhaust of the utility model;

[0014] Figure 6 It is a water absorption pad side view structure schematic view for the sound-absorbing device for boiler pipeline steam exhaust of the utility model.

[0015] In the drawing: 1, sound-absorbing pipe; 2, pipe cover; 3, cleaning water absorption assembly; 301, swivel ring; 302, rotating shaft; 303, water absorption pad; 304, connecting rod; 305, scraper; 306, support ring; 307, swivel groove; 308, threaded column; 309, threaded hole; 4, connecting disc; 5, positioning groove; 6, internal thread; 7, positioning ring; 8, external thread; 9, sound-absorbing hole. DETAILED DESCRIPTION

[0016] The technical scheme in the embodiments of the utility model will be apparently and completely described below in conjunction with the embodiments of the utility model. Apparently, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0017] As shown in Figure 1 , 2 , 3, a sound-absorbing device for boiler pipeline steam exhaust, comprising a sound-absorbing pipe 1, one end surface of the sound-absorbing pipe 1 is provided with a pipe cover 2, the pipe cover 2 is provided with a cleaning water absorption assembly 3, a plurality of sound-absorbing holes 9 are equidistantly formed in the circumferential surface of the sound-absorbing pipe 1, and the other end surface of the sound-absorbing pipe 1 is provided with a connecting disc 4.

[0018] As shown in Figure 3 , 4 , one end surface of the sound-absorbing pipe 1 is provided with a positioning groove 5, the inner wall of the positioning groove 5 is provided with an internal thread 6, the pipe cover 2 is fixedly installed on the surface and is provided with a positioning ring 7, the positioning ring 7 is arranged in the positioning groove 5, the side surface of the positioning ring 7 is provided with an external thread 8, the external thread 8 is connected with the internal thread 6, the positioning ring 7 can be taken out from the positioning groove 5 by rotating the pipe cover 2 to make the internal thread 6 and the external thread 8 disengaged, the pipe cover 2 can be taken out from the top end of the sound-absorbing pipe 1, and the rotating shaft 302 can be taken out from the inside of the sound-absorbing pipe 1.

[0019] As Figure 2 、 3 , 4, 5, 6, the cleaning water absorption assembly 3 installation includes rotating shaft 302, support ring 306, the rotating shaft 302 rotates through the installation on the pipe cover 2, the support ring 306 is fixedly installed between the inner wall of the muffler pipe 1, a plurality of connecting rods 304 are fixedly installed on the side of the rotating shaft 302, the top end of the connecting rod 304 is fixedly installed with a scraper 305, the scraper 305 is attached to the inner wall of the muffler pipe 1, the top end of the rotating shaft 302 is installed with a water absorption pad 303, the top end of the rotating shaft 302 is rotatably installed with a threaded column 308, a threaded hole 309 is formed in the upper end surface of the water absorption pad 303, the threaded column 308 is engaged in the threaded hole 309, a rotating groove 307 is formed in the upper surface of the support ring 306, a rotating ring 301 is fixedly installed on the lower surface of the water absorption pad 303, the rotating ring 301 is arranged in the rotating groove 307, the rotating shaft 302 is rotated by the worker, at this time, the scraper 305 can be driven to rotate on the inner wall of the muffler pipe 1, and the inner wall of the muffler pipe 1 is cleaned, so that foreign matters adhered to the inner wall of the muffler pipe 1 are prevented, and the sound reduction is affected, and the water absorption pad 303 is arranged on the support ring 306, when the boiler pipeline is exhausted, the water absorption pad 303 can absorb water in the gas, improve the efficiency of the sound reduction, and when the water absorption pad 303 needs to be replaced and the inside of the muffler pipe 1 needs to be cleaned, first, the worker rotates the pipe cover 2, so that the inner thread 6 is disconnected with the outer thread 8, the positioning ring 7 can be taken out from the positioning groove 5, the pipe cover 2 is taken out from the top end of the muffler pipe 1, the rotating shaft 302 can be taken out from the inside of the muffler pipe 1, the water absorption pad 303 can be taken out, the worker rotates the threaded column 308, so that the threaded column 308 is taken out from the threaded hole 309, the water absorption pad 303 can be replaced, and the worker can install and replace the water absorption pad 303.

[0020] The working principle of the muffler for the exhaust of the boiler pipeline is as follows:

[0021] When in use, first, connect the connecting disc 4 with the boiler pipe port, when the boiler pipe exhausts, air enters the inside of the muffling pipe 1, and is discharged from the muffling hole 9, by the sudden change of acoustic impedance, the sound wave is reflected or absorbed in the propagation process, so as to achieve the effect of muffling, and when it is needed to clean the inside wall of the muffling pipe 1, the worker rotates the rotating shaft 302, at this time, the scraper 305 can be driven to rotate on the inside wall of the muffling pipe 1, and the inside wall of the muffling pipe 1 is cleaned, so that foreign matters are prevented from adhering to the inside wall of the muffling pipe 1, and the sound reduction is affected, and the water absorption pad 303 is arranged on the supporting ring 306, when the boiler pipe exhausts, the water absorption pad 303 can absorb the water in the gas, and the sound reduction efficiency is improved, and when it is needed to replace the water absorption pad 303 and clean the inside of the muffling pipe 1, first, the worker rotates the pipe cover 2, so that the inner thread 6 is disconnected with the outer thread 8, the positioning ring 7 can be taken out from the positioning groove 5, the pipe cover 2 is taken out from the top end of the muffling pipe 1, the rotating shaft 302 is taken out from the inside of the muffling pipe 1, and the water absorption pad 303 is taken out, at this time, the worker rotates the threaded column 308, so that the threaded column 308 is taken out from the threaded hole 309, the water absorption pad 303 can be replaced, and the worker can install and replace the water absorption pad 303.

[0022] The above embodiments of the utility model are only examples for clearly illustrating the utility model, and are not limitations on the embodiments of the utility model, and for ordinary skilled in the art, on the basis of the above description, other different forms of changes or variations can be made, here, all the embodiments cannot be exhausted, and all the obvious changes or variations derived from the technical scheme of the utility model are still in the protection scope of the utility model.

Claims

1. A silencer for boiler pipe exhaust, comprising a silencer pipe (1), characterized in that: The silencer pipe (1) has a pipe cap (2) installed on one end surface. A cleaning and water absorption assembly (3) is provided on the pipe cap (2). Several silencer holes (9) are equidistantly opened on the circumference of the silencer pipe (1). A connecting plate (4) is installed on the other end surface of the silencer pipe (1). The cleaning and water absorption assembly (3) includes a rotating shaft (302) and a support ring (306). The rotating shaft (302) is rotatably installed through the pipe cap (2). The support ring (306) is fixedly installed between the inner walls of the silencer pipe (1). Several connecting rods (304) are equidistantly fixed on the side of the rotating shaft (302). A scraper (305) is fixedly installed at the top of the silencing pipe (1). The scraper (305) is attached to the inner wall of the silencing pipe (1). A water-absorbing pad (303) is installed at the top of the rotating shaft (302). A threaded column (308) is rotatably installed at the top of the rotating shaft (302). A threaded hole (309) is opened on the upper surface of the water-absorbing pad (303). The threaded column (308) is engaged inside the threaded hole (309). A rotating groove (307) is opened on the upper surface of the support ring (306). A rotating ring (301) is fixedly installed on the lower surface of the water-absorbing pad (303). The rotating ring (301) is located inside the rotating groove (307).

2. A silencer for boiler pipe exhaust according to claim 1, characterized in that: The silencer pipe (1) has a positioning groove (5) on one end surface, and the inner wall of the positioning groove (5) is provided with an internal thread (6).

3. A silencer for boiler pipe exhaust according to claim 2, characterized in that: A positioning ring (7) is fixedly installed on the surface of the pipe cap (2). The positioning ring (7) is located inside the positioning groove (5). An external thread (8) is provided on the side of the positioning ring (7). The external thread (8) is engaged with the internal thread (6).

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