CN205797923U - A kind of sonic generator - Google Patents

Abstract

This utility model provides a kind of sonic generator, it includes the first air inlet pipe being arranged within pyrolysis furnace, airway and sound wave generation cap, the inlet port of airway and the first air inlet pipe connect, the outlet port of airway is connected with sound wave generation cap, airway be internally provided with constant-current stabilizer, constant-current stabilizer includes shunting disk and diversion column, outlet port has gas outlet, one end of diversion column is connected with shunting disk, the other end stretches out gas outlet and is connected with sound wave generation cap, the outer circumference surface of shunting disk is connected with the inwall of airway, multiple tap hole evenly distributed along shunting disk circumferencial direction it is provided with on shunting disk, tap hole is sector.By the tap hole in sector arranged on constant-current stabilizer, air-flow uneven for air pressure is first shunted and converges the formation uniform air-flow of stable gas pressure again so that the frequency of sound wave of formation is stable, contribute to reducing the generation of noise.

Description

A kind of sonic generator

Technical field

This utility model relates to dust collection by sound wave device field, in particular to a kind of sonic generator.

Background technology

At present, ethane cracking furnace in process of production, can produce dust stratification, is accumulated in the working part within pyrolysis furnace such as Heat exchanger tube, heat exchanger fin etc., if clearing up dust stratification not in time, can cause the work efficiency of this kind of workpiece part to reduce, heat exchange efficiency Reduce, working life is short, consume energy the even problem such as damage parts.And the method for existing cleaning dust stratification generally uses to be arranged on and splits The dust collection by sound wave device solving furnace interior is cleared up, and the vibrating effect that the sound wave utilizing dust collection by sound wave device to produce brings, by zero Dust stratification on part is shaken off.But the frequency of sound wave of the generation of existing dust collection by sound wave device is unstable, noise is big, the effect of cleaning dust stratification The poorest.

Utility model content

The purpose of this utility model is to provide a kind of sonic generator, and its frequency of sound wave produced is stable, and noise is little, clearly Manage the effective of dust stratification.

Embodiment of the present utility model is achieved in that

A kind of sonic generator, including the first air inlet pipe being arranged within pyrolysis furnace, airway and sound wave generation cap, The inlet port of airway and the first air inlet pipe connect, and the outlet port of airway is connected with sound wave generation cap, airway interior Portion is provided with constant-current stabilizer, and constant-current stabilizer includes shunting disk and diversion column, and outlet port has gas outlet, one end of diversion column with Shunting disk connects, and the other end stretches out gas outlet and is connected with sound wave generation cap, the outer circumference surface of shunting disk and the inwall of airway Connecting, shunting disk is provided with multiple tap hole evenly distributed along shunting disk circumferencial direction, tap hole is sector.

Further, in this utility model preferred embodiment, airway includes the first locating sleeve and the second location Sleeve pipe, the inwall of the second locating sleeve is provided with the annular slot for clamping shunting disk, and one end of the first locating sleeve is stretched into In second locating sleeve and threadeding with the second locating sleeve, the other end of the first locating sleeve and the first air inlet pipe connect, Forming current stabilization chamber between lateral wall and the medial wall of the second locating sleeve of diversion column, gas outlet connects with current stabilization chamber.

Further, in this utility model preferred embodiment, the cross section in current stabilization chamber is tapered, the face, cross section in current stabilization chamber Amass and diminish from shunting disk toward the direction of gas outlet.

Further, in this utility model preferred embodiment, sound wave generation cap is provided with groove, the opening court of groove To the second locating sleeve, it is connected in diversion column stretches into groove away from one end of shunting disk and with sound wave generation cap, sound wave generation cap Resonator cavity, the gap between sound wave generation cap and the second locating sleeve is formed between inwall and the outer wall of diversion column of groove Form sound wave diffusion chamber.

Further, in this utility model preferred embodiment, sound wave generation cap is near the outer end of the second locating sleeve Face is the conical surface.

Further, in this utility model preferred embodiment, the conical surface and sound wave generation cap are near the inwall institute of groove Plane between angle α be 49 °～51 °.

Further, in this utility model preferred embodiment, the first air inlet pipe away from one end of airway through splitting Solving stove, the first air inlet pipe is provided with back-up ring near the outer circumference surface of pyrolysis furnace inwall, and shield ring sleeve is located at outside the first air inlet pipe.

Further, in this utility model preferred embodiment, sonic generator also includes the second air inlet pipe, and second enters One end of trachea is connected with air-stream generating device, and one end that the other end and the first air inlet pipe are positioned at outside pyrolysis furnace connects.

Further, in this utility model preferred embodiment, the second air inlet pipe is by flange and the first air inlet pipe of living Connect.

Further, in this utility model preferred embodiment, the second air inlet pipe includes the first connecting tube, first curved Head, the second connecting tube, the second elbow and the 3rd connecting tube, one end of the first connecting tube is connected with the first air inlet pipe, the other end Being connected by the first elbow and the second connecting tube, the second connecting tube passes through the second elbow and the 3rd away from one end of the first connecting tube Connecting tube connects, and the 3rd connecting tube is connected with air-stream generating device.

The sonic generator of this utility model embodiment provides the benefit that: by arrange on shunting disk in fan-shaped Tap hole, the effect that air-flow uneven for air pressure is converged by shunting again, form the uniform air-flow of stable gas pressure so that formed Frequency of sound wave more stable, reduce noise generation, enhance dust removing effects.

Accompanying drawing explanation

In order to be illustrated more clearly that the technical scheme of this utility model embodiment, will use required in embodiment below Accompanying drawing be briefly described, it will be appreciated that the following drawings illustrate only some embodiment of the present utility model, the most should be by Regard the restriction to scope as, for those of ordinary skill in the art, on the premise of not paying creative work, also may be used To obtain other relevant accompanying drawings according to these accompanying drawings.

The partial sectional view of the sonic generator that Fig. 1 provides for this utility model embodiment；

Fig. 2 is enlarged drawing at A in Fig. 1；

The structural representation of the shunting disk that Fig. 3 provides for this utility model embodiment.

Figure acceptance of the bid note is respectively as follows: sonic generator 100, the first air inlet pipe 200, flange 201 of living, back-up ring 202, the second air inlet Pipe 300, the first connecting tube 301, the second connecting tube 302, the 3rd connecting tube 303, the first elbow 304, the second elbow 305, inducing QI Pipe 400, constant-current stabilizer 401, shunting disk 402, diversion column 403, tap hole 404, the first locating sleeve 405, the second locating sleeve 406, annular slot 407, branch chamber 408, current stabilization chamber 409, air inlet 410, gas outlet 411, sound wave generation cap 500, groove 501, resonator cavity 502.

Detailed description of the invention

For making the purpose of this utility model embodiment, technical scheme and advantage clearer, new below in conjunction with this practicality Accompanying drawing in type embodiment, is clearly and completely described the technical scheme in this utility model embodiment, it is clear that retouched The embodiment stated is a part of embodiment of this utility model rather than whole embodiments.Generally described in the accompanying drawing herein and The assembly of this utility model embodiment illustrated can be arranged with various different configurations and design.

Therefore, below the detailed description of the embodiment of the present utility model provided in the accompanying drawings is not intended to limit requirement The scope of the present utility model of protection, but it is merely representative of selected embodiment of the present utility model.Based in this utility model Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, all Belong to the scope of this utility model protection.

It should also be noted that similar label and letter represent similar terms, therefore, the most a certain Xiang Yi in following accompanying drawing Individual accompanying drawing is defined, then need not it be defined further and explains in accompanying drawing subsequently.

In description of the present utility model, it should be noted that term " on ", D score, "left", "right", " interior ", " outward " etc. Orientation or the position relationship of instruction are based on orientation shown in the drawings or position relationship, or when this utility model product uses The orientation usually put or position relationship, be for only for ease of description this utility model and simplify description rather than instruction or dark The device or the element that show indication must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that right Restriction of the present utility model.Describe additionally, term " first ", " second " etc. are only used for distinguishing, and it is not intended that indicate or dark Show relative importance.

In description of the present utility model, in addition it is also necessary to explanation, unless otherwise clearly defined and limited, term " sets Put ", should be interpreted broadly " installation ", " being connected ", " connection ", connect for example, it may be fixing, it is also possible to be to removably connect, Or be integrally connected；Can be to be mechanically connected, can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, Ke Yishi The connection of two element internals.For the ordinary skill in the art, can understand that above-mentioned term is at this with concrete condition Concrete meaning in utility model.

Embodiment

Referring to Fig. 1～Fig. 3, the sonic generator 100 that the present embodiment provides includes: be arranged on first within pyrolysis furnace Air inlet pipe 200, airway 400 and sound wave generation cap 500, and be arranged on outside pyrolysis furnace for air-stream generating device The second air inlet pipe 300 connected.

One end of second air inlet pipe 300 is connected with air-stream generating device, and the other end and the first air inlet pipe 200 connect.First Air inlet pipe 200 passes the furnace wall of pyrolysis furnace away from one end of the second air inlet pipe 300 and extend into inside pyrolysis furnace, and and airway The inlet port of 400 connects.Airway 400 is outlet port away from one end of the first air inlet pipe 200, giving vent to anger of airway 400 Mouth end is connected with sound wave generation cap 500.Certainly, the inlet port of airway 400 has air inlet 410, giving vent to anger of airway 400 Mouth end has gas outlet 411.

Wherein it is preferred to, in the present embodiment, the second air inlet pipe 300 is connected by flange 201 alive and the first air inlet pipe 200 Connect, in order to install and safeguard.

Additionally, air-stream generating device can be air compressor, or steam raising plant.As long as air pressure can be provided Stable air-flow.Preferably, air-stream generating device is steam raising plant, and its vapour pressure provided is more stable, produces The frequency of sound wave the most stable, and acoustic energy can be converted heat energy into, conversion efficiency is higher.The sound wave that the present embodiment provides is sent out As long as raw device 100 is for being connected with steam raising plant.

Additionally, in the present embodiment, the first air inlet pipe 200 is provided with near the outer circumference surface of the inwall of the furnace wall of pyrolysis furnace Back-up ring 202, back-up ring 202 is set in outside the first air inlet pipe 200.After the first air inlet pipe 200 is arranged on pyrolysis furnace, back-up ring 202 Can coordinate with furnace wall, can prevent furnace gas from leaking, and play deadening, in reducing stove, sound wave passes to the effect outside stove.

The frequency of sound wave that existing dust collection by sound wave device produces is unstable, and noise is big, the weak effect of cleaning dust stratification.In generation State the air pressure of air-flow in airway 400 road that main reason is that existing dust collection by sound wave device of problem and there is inhomogeneities, And then the frequency of sound wave instability resulted in, there is the shortcoming that noise is big.

But, the sonic generator 100 in the present embodiment, it is internally provided with constant-current stabilizer 401 at airway 400, should The air pressure homogenization of the constant-current stabilizer 401 air-flow for transmitting from the first air inlet pipe 200, so that the uniform air-flow of air pressure is produced The frequency of raw sound wave is more stable, does not have noise, it is to avoid bring harmful effect to surrounding.

Concrete structure and work process to the constant-current stabilizer 401 of the present embodiment are further described below.

In the present embodiment, constant-current stabilizer 401 includes shunting disk 402 and diversion column 403.One end of diversion column 403 with point Flow table 402 connects, and the other end stretches out the gas outlet 411 of airway 400 and is connected with sound wave generation cap 500.The cylindrical of shunting disk 402 Side face is connected with the inwall of airway 400.It is provided with multiple evenly distributed along shunting disk 402 circumferencial direction on shunting disk 402 Tap hole 404, tap hole 404 is in fan-shaped (as shown in Figure 3).

Preferably, in the present embodiment, the quantity of tap hole 404 is three, certainly, in other examples, and shunting The quantity in hole 404 can be two or four or five etc..

Additionally, airway 400 includes the first locating sleeve 405 and the second locating sleeve 406.Second locating sleeve 406 Inwall is provided with the annular slot 407 for clamping shunting disk 402.The second positioning sleeve is stretched in one end of first locating sleeve 405 In pipe 406 and threaded with the second locating sleeve 406.The other end i.e. inlet port of the first locating sleeve 405, enters with first Trachea 200 connects.

When the first locating sleeve 405 is connected with the second locating sleeve 406, the right-hand member of the first locating sleeve 405 can push against Shunting disk 402, shunting disk 402 is stable inside airway 400 firmly.

Wherein the right part of the left part of shunting disk 402, the inwall of the first locating sleeve 405 and the first air inlet pipe 200 is altogether Similar shape becomes branch chamber 408.Air inlet 410 connects with branch chamber 408.The right part of shunting disk 402, the lateral wall of diversion column 403 It is collectively forming current stabilization chamber 409 with the medial wall of the second positioning sleeve.Gas outlet 411 connects with current stabilization chamber 409.Its diversion column 403 with There is gap for airflow between the inwall of gas outlet 411.

Air-flow in branch chamber 408 can effectively be shunted, due to air-flow by three in fan-shaped tap hole 404 Area of section reduces, and causes air pressure to increase, becomes evenly, then after being flowed in stable cavity, and then can converge that to form air pressure steady Fixed uniform air-flow, and make the more stable property of frequency of the sound wave being subsequently formed, the noise of generation is little.

Wherein it is preferred to, in the present embodiment, the cross section in current stabilization chamber 409 is tapered, the area of section in current stabilization chamber 409 from Shunting disk 402 tapers into toward the direction of gas outlet 411 so that when air-flow sprays from gas outlet 411, and the pressure of air-flow becomes big, Add telling on of strong sound wave.

Additionally, specifically, in the present embodiment, sound wave generation cap 500 is provided with groove 501, the opening of groove 501 towards Second locating sleeve 406.In diversion column 403 stretches into groove 501 away from one end of shunting disk 402 and with sound wave generation cap 500 even Connect.Sound wave generation cap 500 is near forming resonator cavity 502 between the inwall and the outer wall of diversion column 403 of groove 501.

During work, the air-flow that air-stream generating device produces initially enters the second air inlet pipe 300, passes through the first air inlet pipe 200, then enter into branch chamber 408 from the air inlet 410 of the first air inlet pipe 200.Air-flow in branch chamber 408 is through shunting Tap hole 404 on dish 402, is divided into three strands of little airflows, converges then in current stabilization chamber 409, forms stable gas pressure Air-flow.Air-flow sprays from gas outlet 411 again, and the outer wall being close to diversion column 403 enters into the resonator cavity 502 of sound wave generation cap 500 In, collide with groove 501 diapire, reverse reflux, produce resonance, form sound wave.Under the effect of vibration of sound wave, pyrolysis furnace Dust stratification in inner components is come off by vibrations, reaches the effect of soot blowing dedusting.

Preferably, in the present embodiment, sound wave generation cap 500 is tilt near the outer face of the second locating sleeve 406 The conical surface.

It is highly preferred that this conical surface and sound wave generation cap 500 angle α between the plane at the inwall place of groove 501 is 49 °～51 ° (as shown in Figure 2).Further, in the present embodiment, the conical surface and sound wave generation cap 500 are in groove 501 Between the plane at wall place, angle α is 50.2 °.

Sound wave generation cap 500 is collectively forming with the right-hand member end face of the second sleeve pipe near the outer face of the second locating sleeve 406 Acoustic wave reflector.Gap between sound wave generation cap 500 and the second locating sleeve 406 forms sound wave diffusion chamber, to the sound formed Ripple is enlarged reflection, strengthens its vibrating effect.Using the sound wave generation cap 500 of cone structure, the effect of its reflection sound wave is more By force so that the sound field of sound wave is strengthened, the effect of soot blowing dedusting has more advantage.

It should be noted that the pipeline configuration being arranged on the second air inlet pipe 300 outside pyrolysis furnace can be carried out with practical situation Design.The most in the present embodiment, the second air inlet pipe 300 includes first connecting tube the 301, first elbow the 304, second connecting tube 302, the second elbow 305 and the 3rd connecting tube 303.One end of first connecting tube 301 is connected with the first air inlet pipe 200, another End is connected with the second connecting tube 302 by the first elbow 304.Second connecting tube 302 is passed through away from one end of the first connecting tube 301 Second elbow 305 is connected with the 3rd connecting tube 303, and the 3rd connecting tube 303 is connected with air-stream generating device by flange.

To sum up, the sonic generator 100 that the present embodiment provides is by the tap hole in sector arranged on shunting disk 402 404, the effect that air-flow uneven for air pressure is converged by shunting again, form the uniform air-flow of stable gas pressure so that formation Frequency of sound wave is more stable, reduces the generation of noise, enhances dust removing effects；Additionally, again by being arranged on the first air inlet pipe 200 Back-up ring 202, in stoping stove further, sound wave is delivered to outside stove, reduces the harmful effect that noise brings to surrounding.

The foregoing is only preferred embodiment of the present utility model, be not limited to this utility model, for this For the technical staff in field, this utility model can have various modifications and variations.All in spirit of the present utility model and principle Within, any modification, equivalent substitution and improvement etc. made, within should be included in protection domain of the present utility model.

Claims (10)

1. a sonic generator, it is characterised in that include the first air inlet pipe, airway and the sound being arranged within pyrolysis furnace Ripple generation cap, the inlet port of described airway is connected with described first air inlet pipe, and the outlet port of described airway is with described Sound wave generation cap connect, described airway be internally provided with constant-current stabilizer, described constant-current stabilizer includes shunting disk and diversion column, Described outlet port has gas outlet, and one end of described diversion column is connected with described shunting disk, and the other end stretches out described gas outlet And be connected with described sound wave generation cap, the outer circumference surface of described shunting disk is connected with the inwall of described airway, described shunting disk On be provided with multiple tap hole evenly distributed along described shunting disk circumferencial direction, described tap hole is sector.

Sonic generator the most according to claim 1, it is characterised in that described airway includes the first locating sleeve and Two locating sleeves, the inwall of described second locating sleeve is provided with the annular slot for shunting disk described in clamping, and described first In described second locating sleeve is stretched in one end of locating sleeve and threaded with described second locating sleeve, described first location The other end of sleeve pipe is connected with described first air inlet pipe, the lateral wall of described diversion column and the medial wall of described second locating sleeve Between formed current stabilization chamber, described gas outlet connects with described current stabilization chamber.

Sonic generator the most according to claim 2, it is characterised in that the cross section in described current stabilization chamber is tapered, described surely The area of section in stream chamber diminishes from described shunting disk toward the direction of described gas outlet.

Sonic generator the most according to claim 2, it is characterised in that described sound wave generation cap is provided with groove, described The opening of groove towards described second locating sleeve, in described diversion column stretches into described groove away from one end of described shunting disk and Being connected with described sound wave generation cap, described sound wave generation cap is near shape between the inwall and the outer wall of described diversion column of described groove Becoming resonator cavity, the gap between described sound wave generation cap and described second locating sleeve forms sound wave diffusion chamber.

Sonic generator the most according to claim 4, it is characterised in that described sound wave generation cap is near described second location The outer face of sleeve pipe is the conical surface.

Sonic generator the most according to claim 5, it is characterised in that the described conical surface and described sound wave generation cap are near institute Between the plane at the inwall place stating groove, angle α is 49 °～51 °.

7. according to the sonic generator described in any one of claim 1～6, it is characterised in that described first air inlet pipe is away from institute The one end stating airway passes described pyrolysis furnace, and described first air inlet pipe is provided with near the outer circumference surface of described pyrolysis furnace inwall Back-up ring, described shield ring sleeve is located at outside described first air inlet pipe.

Sonic generator the most according to claim 7, it is characterised in that described sonic generator also includes the second air inlet Pipe, one end of described second air inlet pipe is connected with air-stream generating device, and the other end and described first air inlet pipe are positioned at described cracking One end outside stove connects.

Sonic generator the most according to claim 8, it is characterised in that described second air inlet pipe by live flange with described First air inlet pipe connects.

Sonic generator the most according to claim 8, it is characterised in that described second air inlet pipe include the first connecting tube, First elbow, the second connecting tube, the second elbow and the 3rd connecting tube, one end of described first connecting tube and described first air inlet Pipe connects, and the other end is connected with described second connecting tube by described first elbow, and described second connecting tube is away from described first One end of connecting tube is connected with described 3rd connecting tube by described second elbow, and described 3rd connecting tube occurs with described air-flow Device connects.