CN216953101U

CN216953101U - Sound wave soot blower capable of adjusting sound intensity

Info

Publication number: CN216953101U
Application number: CN202220146462.4U
Authority: CN
Inventors: 亢凤淇; 肖海鹏
Original assignee: Beijing Qimingfeng Thermal Technology Co ltd
Current assignee: Beijing Qimingfeng Thermal Technology Co ltd
Priority date: 2022-01-19
Filing date: 2022-01-19
Publication date: 2022-07-12
Anticipated expiration: 2032-01-19

Abstract

The utility model discloses a sound wave soot blower with adjustable sound intensity, which comprises a conduit and a sound wave horn, wherein two ends of the sound wave horn are respectively a connecting end connected with the conduit and a sound emission end for amplifying sound waves, the sound wave soot blower also comprises a whistle body fixedly connected with one end of the conduit through an adjusting seat and a resonant cavity fixedly connected with the whistle body, the adjusting seat, the whistle body and the resonant cavity are all positioned in the sound wave horn, one end of the resonant cavity far away from the whistle body is positioned in the sound emission end of the sound wave horn, the utility model has the advantages that the resonant cavity and the sound emission end of the sound wave horn are internally provided with a design, the integral degree of the device can be improved, the sound intensity is adjusted by matching with a circular seam gap formed between the whistle body and the adjusting seat, and the 'dead zone' caused by the rapid attenuation of blowing pneumatic air flow is effectively avoided by utilizing the refraction and diffraction characteristics of the sound waves, the working space is large, the ash is cleaned by utilizing the resonance sound production principle, no moving part is arranged, and the service life is long.

Description

Sound wave soot blower with adjustable sound intensity

Technical Field

The utility model relates to the technical field of sound wave soot blowers, in particular to a sound wave soot blower with adjustable sound intensity.

Background

In the prior art, during the production and operation of a boiler, the surfaces of a heating surface, namely a water-cooled wall, a superheater, an economizer, a preheater, a flue and the like, are deposited with ash and slag, which are difficult to solve due to long-term troubles. It not only weakens the heat transfer of the heating surface of the boiler, causes the reduction of the thermal efficiency of the boiler and reduces the production load, but also can cause unexpected shutdown when the ash accumulation and the slag bonding on the heating surface are serious, and causes great economic loss. The sound wave soot blower technology is to convert compressed air into high-power sound waves to be sent into a furnace, when soot on a heating surface is repeatedly pulled and pressed by density waves which are alternately changed at a certain frequency, the soot falls off due to fatigue and is taken away with flue gas flow, or the soot falls to a soot hopper to be discharged under the action of gravity.

The application numbers are: 201810602186.6 discloses a high-energy environment-friendly sound wave soot blower, which comprises a soot blower main body, an air inlet pipe and a cylindrical mounting sleeve with one open end and the other closed end; the soot blower main body comprises a heat-resistant steel horn and a sound generating assembly arranged in the heat-resistant steel horn; the smaller end of the heat-resistant steel horn is inserted from the open end of the mounting sleeve, and the middle part of the heat-resistant steel horn abuts against the edge of the open end of the mounting sleeve and is fixedly connected with the mounting sleeve; and a circle of fixing flange is arranged on the outer surface of the middle part of the mounting sleeve along the circumferential direction. However, the integration of this kind of high energy environment-friendly sound wave soot blower is relatively poor, lead to the strength to blow the grey air current and can appear the fast attenuation phenomenon, thereby cause work "dead zone", working space is little, the structure of its whistle body can't guarantee to blow the grey air current at the uniform velocity and pass through the whistle body, resonance sound quality is relatively poor, in addition it passes through whistle body and resonance chamber lug connection, because the junction of whistle body and resonance chamber belongs to vulnerable part, when taking place to damage, can lead to whistle body and resonance chamber to scrap simultaneously, economic benefits is relatively poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a sound wave soot blower with adjustable sound intensity.

In order to achieve the purpose, the technical scheme provided by the utility model is as follows:

the utility model provides an adjustable sound intensity's sound wave soot blower, includes pipe and sound wave loudspeaker, the both ends of sound wave loudspeaker respectively for with pipe connection's link and the end of playing of amplifying the sound wave, still include via the adjustment seat with the whistle body of the one end fixed connection of pipe and with whistle body fixed connection's resonant cavity, the adjustment seat the whistle body and the resonant cavity all is located sound wave loudspeaker's inside, the resonant cavity is kept away from the one end of whistle body is located the inside of sound wave loudspeaker's the end of playing.

The connecting end of the duct penetrating through the sound wave horn is fixedly connected with the sound wave horn, one end of the duct penetrating through the sound wave horn protrudes out of the inner side of the connecting end of the sound wave horn and is positioned in the sound wave horn, and one end of the duct far away from the sound wave horn is communicated with an air source.

The adjusting seat is a multi-stage boss type adjusting seat, the shape of the inner portion of the adjusting seat corresponding to the boss type of the adjusting seat is of a step type hollow structure, one end, located inside the sound wave horn, of the guide pipe is connected with the end, smaller in radius, of the adjusting seat in an inserting mode, and the inner portion of the guide pipe is communicated with the inner portion of the adjusting seat.

The whistle body is arranged in one end, far away from the catheter, of the adjusting seat, one end of the whistle body is in threaded connection with the adjusting seat, one end, far away from the adjusting seat, of the whistle body protrudes out of the adjusting seat, the end, connected with the adjusting seat, of the whistle body is of a hollow structure, a plurality of airflow through holes are uniformly and annularly arranged on the periphery of one end, connected with the adjusting seat, of the whistle body, the airflow through holes are located on steps inside the adjusting seat, and the airflow through holes enable the interior of the whistle body to be communicated with the interior of the adjusting seat.

The outer diameter of one end of the whistle body, which is connected with the adjusting seat, is the same as the inner diameter of the inner side of the middle part of the adjusting seat, the middle part of the whistle body is provided with a convex edge corresponding to the air flow through hole in a surrounding manner, and the outer diameter of the convex edge is smaller than the inner diameter of one end, which is close to the whistle body, of the adjusting seat.

The whistle body is arranged in a stepped conical manner with a hollow structure at one end connected with the adjusting seat, and the airflow through hole is arranged at the inclined plane of the stepped conical structure in the whistle body.

The whistle body is provided with an adjusting seat, the adjusting seat is arranged on the whistle body, the resonant cavity is fixedly connected with one end of the whistle body, which is far away from the adjusting seat, through a connecting pipe, the resonant cavity is of a cylindrical structure with an opening at one end, and one end of the opening of the resonant cavity faces the whistle body.

The connecting pipe is arranged in the resonant cavity, one end of the connecting pipe is fixedly connected with the resonant cavity, one end of the connecting pipe, which is far away from the resonant cavity, protrudes out of the resonant cavity, and one end of the connecting pipe, which protrudes out of the resonant cavity, is fixedly connected with one end of the whistle body, which is far away from the adjusting seat.

The outer diameter of one end of the resonant cavity close to the whistle body is larger than that of one end of the resonant cavity far away from the whistle body.

The catheter, the sound wave horn, the adjusting seat, the whistle body, the connecting pipe and the resonant cavity are all coaxially arranged.

The utility model has the beneficial effects that:

the whistle body is provided with an airflow through hole which enables the soot blowing airflow to pass through the whistle body at a constant speed, so that the resonance sounding quality can be improved, the ash can be cleaned by utilizing the resonance sounding principle, no moving part exists, the service life is long, the whistle body is maintenance-free, the whistle body is connected with the resonance cavity through a connecting pipe, the connecting part of the whistle body and the resonance cavity belongs to a vulnerable part, the connecting pipe can be replaced when the whistle body and the resonance cavity are damaged, and the whistle body and the resonance cavity are prevented from being scrapped, so that the integrated level of the whole device can be improved, the sound intensity is adjusted by matching with the annular seam gap formed between the whistle body and the adjusting seat, and the dead zone caused by the rapid attenuation of the pneumatic soot blowing airflow can be effectively avoided by utilizing the refraction and diffraction characteristics of the sound wave.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a side cross-sectional view of the tuning boss of the present invention;

FIG. 3 is a schematic view of the whistle structure of the present invention;

FIG. 4 is a cross-sectional view of a whistle body of the present invention;

FIG. 5 is a cross-sectional view of a resonant cavity of the present invention.

In the figure: 1. a conduit; 2. a sonic horn; 3. an adjusting seat; 4. a whistle body; 5. a resonant cavity; 6. an airflow through hole; 7. a convex edge; 8. and (4) connecting the pipes.

Detailed Description

The utility model is described in further detail below with reference to the accompanying drawings,

a sound wave soot blower with adjustable sound intensity comprises a conduit 1 and a sound wave horn 2, wherein two ends of the sound wave horn 2 are respectively a connecting end connected with the conduit 1 and a sound-emitting end for amplifying sound waves, the soot blower further comprises a whistle body 4 fixedly connected with one end of the conduit 1 through an adjusting seat 3 and a resonant cavity 5 fixedly connected with the whistle body 4, the adjusting seat 3, the whistle body 4 and the resonant cavity 5 are all located inside the sound wave horn 2, one end, far away from the whistle body 4, of the resonant cavity 5 is located inside the sound-emitting end of the sound wave horn 2, and the schematic diagram of the whole structure of the soot blower is shown in figure 1.

Pipe 1 runs through sound wave loudspeaker 2's link and sound wave loudspeaker 2 fixed connection, and pipe 1 runs through sound wave loudspeaker 2's one end salient in the inboard of sound wave loudspeaker 2 link and is located inside sound wave loudspeaker 2, and pipe 1 keeps away from the one end and the air supply intercommunication of sound wave loudspeaker 2, and wherein, pipe 1 is used for and air supply intercommunication to with the leading-in adjustment seat 3 of high-speed soot blowing air current in the air supply.

The adjusting seat 3 is a multistage boss type adjusting seat 3, the inside of the adjusting seat 3 is in a step type hollow structure corresponding to the boss type, one end of the conduit 1, which is positioned inside the sound wave horn 2, is inserted into one end of the adjusting seat 3, which has a smaller radius, the inside of the conduit 1 is communicated with the inside of the adjusting seat 3, wherein the adjusting seat 3 is used for communicating the whistle body 4 with the conduit 1, the boss type adjusting seat 3 can be suitable for whistle bodies 4 with different specifications, the matching precision between the adjusting seat 3 and the whistle body 4 can be improved, and the whole sealing performance of the device is ensured, and the sectional view of the side surface of the adjusting seat 3 is shown in fig. 2.

The whistle body 4 is arranged in one end of the adjusting seat 3 far away from the conduit 1, one end of the whistle body 4 is in threaded connection with the adjusting seat 3, one end of the whistle body 4 far away from the adjusting seat 3 protrudes out of the adjusting seat 3, the end of the whistle body 4 connected with the adjusting seat 3 is of a hollow structure, four airflow through holes 6 are uniformly and annularly arranged on the periphery of one end of the whistle body 4 connected with the adjusting seat 3, the airflow through holes 6 are positioned at steps inside the adjusting seat 3, the inside of the whistle body 4 is communicated with the inside of the adjusting seat 3 through the airflow through holes 6, wherein the whistle body 4 is used for being matched with the adjusting seat 3 to form a cavity for storing soot blowing airflow and ensure that the gas in the cavity is uniformly discharged into the resonant cavity 5 through the airflow through holes 6, the size of the contact surface between the airflow through holes 6 and the outside can be adjusted by adjusting the screwing depth of the threads between the whistle body 4 and the adjusting seat 3, thereby adjusting the sound wave intensity and frequency of the resonant cavity 5, and according to the types of soot, the whistle body 4 of the utility model has a structure schematic diagram as shown in figure 3 by selecting proper sound wave intensity and frequency and utilizing sound waves to clean ash.

Wherein, airflow hole 6 can add or subtract and establish according to the in-service use demand.

The outer diameter of one end of the whistle body 4 connected with the adjusting seat 3 is the same as the inner diameter of the inner side of the middle part of the adjusting seat 3, the middle part of the whistle body 4 is annularly provided with a convex edge 7 corresponding to the airflow through hole 6, the outer diameter of the convex edge 7 is smaller than the inner diameter of one end of the adjusting seat 3 close to the whistle body 4, the hollow structure inside the end of the whistle body 4 connected with the adjusting seat 3 is arranged in a stepped taper shape, the airflow through hole 6 is arranged at the inclined plane of the stepped taper structure inside the whistle body 4, wherein, the convex edge 7 arranged in the middle of the whistle body 4 can ensure that the soot blowing airflow transmitted from the cavity between the whistle body 4 and the adjusting seat 3 is uniformly discharged, the interior of the whistle body 4 is arranged in a stepped taper shape to reduce the wind resistance and improve the flowing effect of the soot blowing airflow, the sound intensity can be adjusted by adjusting the size of the annular gap between the whistle body 4 and the adjusting seat 3, the size of the annular gap is adjusted by the depth of the thread in the scheme, and the sectional view of the whistle body 4 is shown in figure 4.

The resonant cavity 5 is fixedly connected with one end of the whistle body 4 far away from the adjusting seat 3 through a connecting pipe 8, the resonant cavity 5 is a cylindrical structure with one open end, and one open end of the resonant cavity 5 is arranged towards the whistle body 4, wherein the resonant cavity 5 is used for generating resonance under the action of air flow transmitted from the whistle body 4, and the sectional view of the resonant cavity 5 is shown in fig. 5.

The connecting pipe 8 is arranged inside the resonant cavity 5, one end of the connecting pipe 8 is fixedly connected with the resonant cavity 5, one end of the connecting pipe 8, which is far away from the resonant cavity 5, protrudes out of the resonant cavity 5, one end of the connecting pipe 8, which protrudes out of the resonant cavity 5, is fixedly connected with one end, which is far away from the adjusting seat 3, of the whistle body 4, the outer diameter of one end, which is close to the whistle body 4, of the resonant cavity 5 is larger than the outer diameter of one end, which is far away from the whistle body 4, of the resonant cavity 5, wherein the connecting pipe 8 is used for connecting the whistle body 4 with the resonant cavity 5, and the outer diameters of the two ends of the resonant cavity 5 are different, so that the resonance effect can be improved.

The catheter 1, the sound wave horn 2, the adjusting seat 3, the whistle body 4, the connecting pipe 8 and the resonant cavity 5 are all coaxially arranged.

The working principle is as follows:

the end, far away from the sound wave horn 2, of the conduit 1 is communicated with an air source, the device is started, the air source blows soot blowing airflow into the conduit 1, high-pressure compressed air or steam passes through a cavity formed between the adjusting seat 3 and the whistle body 4 under the action of the airflow and is discharged at a high speed through an airflow through hole 6 in the whistle body 4, the high-speed airflow passes through a gap formed between a convex edge 7 in the middle of the whistle body 4 and the adjusting seat 3 and is sprayed into the resonant cavity 5 at a high speed to generate resonant sound waves, the sound waves are expanded and amplified through the sound wave horn 2, accumulated soot on a heated surface is removed, the size of a contact surface between the airflow through hole 6 and the outside can be adjusted by adjusting the screwing depth of threads between the whistle body 4 and the adjusting seat 3, and the sound wave intensity and frequency of the resonant cavity 5 are adjusted.

The utility model has the advantages of simple structure, built-in design of the resonant cavity and the sound discharging end of the sound wave horn, capability of improving the integral degree of the device, adjustment of sound intensity by matching with a circular seam gap formed between the whistle body and the adjusting seat, capability of effectively avoiding 'dead zone' caused by rapid attenuation of pneumatic soot blowing airflow by utilizing the refraction and diffraction characteristics of sound waves, large working space, capability of improving the quality of resonant sound production by arranging the airflow through holes which enable the soot blowing airflow to pass through the whistle body at a constant speed on the whistle body, capability of cleaning ash by utilizing the principle of resonant sound production, no moving part, long service life and no maintenance, and in addition, the whistle body is connected with the resonant cavity through the connecting pipe.

While one embodiment of the present invention has been described in detail, the present invention is only a preferred embodiment of the present invention and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.

Claims

1. The utility model provides an adjustable sound intensity's sound wave soot blower, includes pipe (1) and sound wave loudspeaker (2), the both ends of sound wave loudspeaker (2) respectively be with the link that pipe (1) is connected and the end of making a sound of enlargiing the sound wave, its characterized in that still include via adjusting seat (3) with the whistle body (4) of the one end fixed connection of pipe (1) and with whistle body (4) fixed connection's resonant cavity (5), adjusting seat (3) whistle body (4) and resonant cavity (5) all are located the inside of sound wave loudspeaker (2), resonant cavity (5) are kept away from the one end of whistle body (4) is located the inside of the end of making a sound of sound wave loudspeaker (2).

2. The sound intensity adjustable sound wave soot blower of claim 1 is characterized in that the connecting end of the conduit (1) penetrating through the sound wave horn (2) is fixedly connected with the sound wave horn (2), one end of the conduit (1) penetrating through the sound wave horn (2) protrudes out of the inner side of the connecting end of the sound wave horn (2) and is positioned inside the sound wave horn (2), and one end of the conduit (1) far away from the sound wave horn (2) is communicated with an air source.

3. The sound intensity adjustable sound wave soot blower of claim 2 is characterized in that the adjusting seat (3) is a multistage boss type adjusting seat (3), the inside of the adjusting seat (3) is in a step type hollow structure corresponding to the boss shape, one end of the conduit (1) located inside the sound wave horn (2) is inserted into one end of the adjusting seat (3) with a smaller radius, and the inside of the conduit (1) is communicated with the inside of the adjusting seat (3).

4. The sound intensity adjustable sound wave soot blower according to claim 3, characterized in that the whistle body (4) is arranged inside one end of the adjusting seat (3) far away from the conduit (1) and one end of the whistle body is in threaded connection with the adjusting seat (3), one end of the whistle body (4) far away from the adjusting seat (3) protrudes out of the adjusting seat (3), the inside of one end of the whistle body (4) connected with the adjusting seat (3) is of a hollow structure, a plurality of air flow through holes (6) are uniformly and annularly arranged on the periphery of one end of the whistle body (4) connected with the adjusting seat (3), the air flow through holes (6) are located at steps inside the adjusting seat (3), and the inside of the whistle body (4) is communicated with the inside of the adjusting seat (3) through the air flow through holes (6).

5. The sound intensity adjustable sound wave soot blower of claim 4, characterized in that the outer diameter of the end of the whistle body (4) connected with the adjusting seat (3) is the same as the inner diameter of the inner side of the middle part of the adjusting seat (3), the middle part of the whistle body (4) is provided with a protruding edge (7) corresponding to the air flow through hole (6) in a surrounding manner, and the outer diameter of the protruding edge (7) is smaller than the inner diameter of the end of the adjusting seat (3) close to the whistle body (4).

6. The sound intensity adjustable sound wave soot blower of claim 4, characterized in that the hollow structure inside the end of the whistle body (4) connected with the adjusting seat (3) is arranged in a stepped cone shape, and the air flow through hole (6) is arranged at the inclined plane of the stepped cone structure inside the whistle body (4).

7. The adjustable sound intensity sound wave soot blower of claim 4, characterized in that the resonance chamber (5) is fixedly connected with the end of the whistle body (4) far away from the adjusting seat (3) via a connecting pipe (8), the resonance chamber (5) is a cylindrical structure with an open end, and the open end of the resonance chamber (5) is arranged towards the whistle body (4).

8. The sound intensity adjustable sound wave soot blower of claim 7, characterized in that the connecting pipe (8) is disposed inside the resonant cavity (5) and one end of the connecting pipe (8) is fixedly connected to the resonant cavity (5), one end of the connecting pipe (8) far away from the resonant cavity (5) protrudes out of the resonant cavity (5), one end of the connecting pipe (8) protruding out of the resonant cavity (5) is fixedly connected to one end of the whistle body (4) far away from the adjusting seat (3).

9. An adjustable sound intensity sonic sootblower as claimed in claim 1, characterized in that the outer diameter of the resonance chamber (5) near the end of the whistle body (4) is larger than the outer diameter of the resonance chamber (5) at the end remote from the whistle body (4).

10. An adjustable sound intensity sound wave soot blower according to claim 8, characterized in that the conduit (1), the sound wave horn (2), the adjusting seat (3), the whistle body (4), the connecting pipe (8) and the resonance cavity (5) are all coaxially arranged.