CN208205043U - A kind of high-efficiency environment friendly sound wave ashing sounding device - Google Patents
A kind of high-efficiency environment friendly sound wave ashing sounding device Download PDFInfo
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- CN208205043U CN208205043U CN201820490378.8U CN201820490378U CN208205043U CN 208205043 U CN208205043 U CN 208205043U CN 201820490378 U CN201820490378 U CN 201820490378U CN 208205043 U CN208205043 U CN 208205043U
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Abstract
The utility model relates to a kind of high-efficiency environment friendly sound wave ashing sounding devices, it include: sequentially connected cover board, main body, acoustic waveguide tube, the cover board is equipped with low pressure chamber, the main body is equipped with the high pressure chest connecting with gas source, sounding matrix is equipped between the low pressure chamber and high pressure chest, the sounding channel of connection matrix and acoustic waveguide tube is additionally provided in the main body, the sounding channel is equipped with the multi-pore channel pressure release trunnion that size or length easy-to-mount, by changing hole control audible frequency.The utility model is provided with porous pressure-relief trunnion in sounding channel, by the size, diameter, arrangement mode and the length that change the relief hole on porous pressure-relief trunnion, the frequency of sounding can be adjusted in a certain range, and utilize the relief hole of setting different-diameter, broaden the frequency of the dedusting sound, to adapt to the working environment of variation, and improve efficiency of dust collection.
Description
Technical field
The utility model relates to a kind of high-efficiency environment friendly sound wave ashing sounding devices, are a kind of environmental protecting devices, are a kind of use
In the deashing device of coal-burning boiler flue dust falling system.
Background technique
The smog for largely having dust is generated after coal-fired boiler combustion, these smog are gone out therein by dust falling system
Dust, to avoid pollution environment.Facility surface in dust falling system, will settle volume of smoke after working after a period of time,
These flue dust must remove as early as possible, otherwise will affect dustfall efficiency.This, which is that one kind is regular, works online, and directly cleans and compares
It is difficult.Common online ash removal mode is that the dust of the equipment surface of sedimentation is made to fall off using the acoustic wave vibrations of certain frequency, is risen
To the effect of deashing.There are many forms for existing sound wave generating device, can distinguish by power source are as follows: electric sounding device, pneumatically
Acoustical generator etc. is a variety of.Wherein Pneumatic sound generator structure is simple, and phonation efficiency is high, and the sounding energy can use ready-made gas source, and ten
It is convenient to divide.The disadvantage is that sound frequency is fixed, adaptability is poor.When combustion furnace refuelling kind, due to dust particles and matter
The variation of size is measured, the efficiency of dust collection of the fixed acoustical generator of frequency is affected, and due dust removing effects are not achieved.
Summary of the invention
In order to overcome the problems of the prior art, the utility model proposes a kind of high-efficiency environment friendly sound wave ashings is filled with sounding
It sets.The device can adjust the frequency of sounding by replacement trunnion in a certain range, to adapt to the building ring of variation
Border.
Purpose of the utility model is realized as follows: a kind of high-efficiency environment friendly sound wave ashing sounding device, comprising: successively
Cover board, main body, the acoustic waveguide tube of connection, the cover board are equipped with low pressure chamber, and the main body is equipped with and connect with gas source
High pressure chest is equipped with sounding matrix, connection matrix and sound wave is additionally provided in the main body between the low pressure chamber and high pressure chest
The sounding channel of conduit, the sounding channel are equipped with size or length easy-to-mount, by changing hole and control sounding
The multi-pore channel pressure release trunnion of frequency.
Further, the porous pressure-relief trunnion shape is the cylinder matched with sounding channel, along cylinder
Multiple relief holes are arranged in axis of rotation direction.
Further, multiple relief holes are uniformly distributed around the axis of rotation of cylindrical body.
Further, the relief hole of the porous pressure-relief trunnion is at least a kind of relief hole of diameter
Further, the relief hole of the porous pressure-relief trunnion is 3-6.
Further, installation step is set on the sounding channel, and the multi-pore channel pressure release trunnion passes through in main body
Installation step and acoustic waveguide tube cooperate, be fixed in sounding channel, the acoustic waveguide tube and main body pass through bolt company
It connects.
Further, installation step, the multi-pore channel pressure release trunnion and acoustic waveguide tube are set on the sounding channel
Between be additionally provided with sound wave spacer.
The beneficial effect that the utility model generates is: the utility model is provided with porous pressure-relief trunnion in sounding channel,
By changing size, diameter, arrangement mode and the length of the relief hole on porous pressure-relief trunnion, can adjust in a certain range
The frequency of sounding, and using the relief hole of setting different-diameter, the frequency of the dedusting sound is broadened, to adapt to the building ring of variation
Border, and improve efficiency of dust collection.
Detailed description of the invention
The utility model is described in further detail with reference to the accompanying drawings and examples.
Fig. 1 is the structural schematic diagram of one described device of the embodiments of the present invention；
Fig. 2 is the structural schematic diagram of the embodiments of the present invention two, the three porous pressure-relief trunnions；
Fig. 3 is 6 relief hole schematic diagrames of quincuncial arrangement described in the embodiments of the present invention five；
Fig. 4 is the structural schematic diagram of the embodiments of the present invention six, the seven porous pressure-relief trunnion installations.
Specific embodiment
Embodiment one:
The present embodiment is a kind of high-efficiency environment friendly sound wave ashing sounding device, as shown in Figure 1.The present embodiment includes: successively
Cover board 1, main body 2, the acoustic waveguide tube 3 of connection, the cover board are equipped with low pressure chamber 101, and the main body is equipped with and gas source
The high pressure chest 201 of connection is equipped with sounding matrix 4, is additionally provided with connection in the main body between the low pressure chamber and high pressure chest
The sounding channel 202 of matrix and acoustic waveguide tube, the sounding channel be equipped with it is easy-to-mount, by change hole size or
The multi-pore channel pressure release trunnion 5 of length control audible frequency.
The principle of sound of sounding device described in the present embodiment is: the air with certain pressure is entered by appendix 6
High pressure chest makes matrix vibration issue the sound.The sound is propagated in acoustic waveguide tube by the sounding channel in main body, and in acoustic waveguide
It echoes, amplify in pipe, and export.When sound wave passes through channel of acoustic wave, the multi-pore channel pressure release trunnion installed in channel of acoustic wave it is more
The size in a hole and the frequency of the effect length sound.
In general, at least whithin a period of time, cleaner uses essentially identical fuel, the dust in flue dust
Particle is substantially similar, it is possible to without the frequency for changing the sound, so that it may meet needs.But if after fuel replacement, dust
Particle changes, it is necessary to change frequency.The key of the present embodiment is multi-pore channel pressure release trunnion easy for removal and installation.
By replacing multi-pore channel pressure release trunnion, using different length, different pore size size, different hole how much or hole arrangement it is different
Trunnion, influence issue the sound frequency, achieve the purpose that change sound frequency.Trunnion production and installation all very simples, because
This, it may be convenient to change the frequency of the sound.In actual operation, as long as simply processing several different trunnions, and make
With simple experiment before, the length of trunnion is modified, optimal sound frequency is found, so that it may obtain good ash-removal effect.
Main body described in the present embodiment is a cylindrical revolving body, (is an annular revolving body, is scheming with high pressure chest
Two rectangular sections up and down are shown as in 1).Two end faces of main body are installed by cover board and acoustic waveguide tube respectively.
The effect of cover board is, by die attachment in conjunction with main body, and certain vibration space is provided for matrix.Cover board with
The combination of main body can be such as threadedly coupled there are many mode, use bolt, the modes such as welding.
The effect of acoustic waveguide tube is the sound to blaze abroad, and amplify sound wave in communication process, and play certain
Modulating action.Acoustic waveguide tube is commonly referred to as loudspeaker, is a kind of flared tube that the big one end in one end is small, and using can be in the sound
The lower material manufacture resonated of effect, if the sound resonates, preferable copper sheet or other plates are bent.
Matrix should have good vibration, resonance and anti-fatigue performance, and titanium alloy etc materials can be used.
The key part of the present embodiment is porous pressure-relief trunnion.This trunnion can be a cylindrical part, can also
To be a lamelliform part or one group of thin slice, in a word can there are many forms, be can influence to shake air-flow
It wants.
The relief hole of porous pressure-relief trunnion can be designed as multiple aperture, and the sound of multiple frequencies is generated by the variation in aperture
It rings, broadens the frequency spectrum of the sound, can produce better dust removing effects.
Another important characteristic of trunnion is easily to replace, this characteristic is mainly reflected in mounting means.
Since trunnion itself is a resonant element, itself there is vibration, therefore mounting means is particularly significant, it is necessary to it is very firm, it is any
Loosen the frequency that can all influence the sound.Meanwhile the firm problem of installation be also embodied in vibration element itself and tightening member it
Between resonant frequency should differ more, once otherwise tightening member also generates resonance, just will affect fastening effect, cause failure.
The fastening of trunnion can use, radial screw, perhaps using the fixing bolt of axis or using two
The modes such as the clamping between element, in short, must consolidate, it is solid, loosening will not be generated during vibration, while must also be just
In disassembly and installation.
Embodiment two:
The present embodiment is embodiment one improvement, is refinement of the embodiment one about porous pressure-relief trunnion.The present embodiment institute
The porous pressure-relief trunnion shape stated is the cylinder matched with sounding channel, is arranged along cylindrical 501 direction of axis of rotation
Multiple relief holes 502, as shown in Figure 2.
Porous pressure-relief trunnion described in the present embodiment is the cylindrical body with multiple circular holes, these circular holes are along axial (cylinder
Gyration central axis) extend, another end face is led to from an end face of cylindrical body.On end face, the arrangement mode of circular hole has more
Kind, it can be uniformly distributed around central axis, it can also arrange in length and breadth.
When the air of vibration passes through circular hole, is influenced by the number of circular hole, size, arrangement mode and length and change shake
Dynamic frequency.Wherein the variation of length is easiest to realize, if long, as long as cutting one section, if as long as short increase by one section
, can very easily realize the adjusting of frequency.
Embodiment three:
The present embodiment is the improvement of above-described embodiment, is refinement of the above-described embodiment about relief hole.Described in the present embodiment
Multiple relief holes it is uniformly distributed around the axis of rotation of cylindrical body.
When relief hole negligible amounts, such as 3-6 relief hole, so that it may such arrangement is used, relief hole is further added by,
Concentration will decline.
Example IV:
The present embodiment is the improvement of above-described embodiment, is refinement of the above-described embodiment about relief hole.Described in the present embodiment
The relief hole of porous pressure-relief trunnion be at least the relief hole of diameter a kind of.
The diameter of relief hole influences the frequency of the sound, and an equal amount of pressure release is arranged on a porous pressure-relief trunnion
Hole, it is meant that the sound frequency of sending is single.If letting out for two kinds of diameters of different sizes is arranged on porous pressure-relief trunnion
Press hole, it is meant that generate the sound of two kinds of different frequencies.The diameter change of relief hole is more, and the sound frequency of generation is more,
Therefore, by the different relief hole of setting multiple diameter, the frequency spectrum of the sound can be unfolded, can for dust particles size and
Using the sound of different frequency, better dust removing effects are generated.
It is around the setting of aperture to punch that the arrangement of relief hole of different sizes, which can use intermediate, either on the contrary,
Using modes such as size intervals.
Embodiment five:
The present embodiment is the improvement of above-described embodiment, is refinement of the above-described embodiment about relief hole.Described in the present embodiment
The relief hole of porous pressure-relief trunnion be 3-6.
6 relief holes can use quincuncial arrangement, i.e., intermediate one is punched, five apertures of surrounding, as shown in Figure 3.
Embodiment six:
The present embodiment is the improvement of above-described embodiment, is refinement of the above-described embodiment about porous pressure-relief trunnion.This implementation
Installation step 202 is set on sounding channel described in example, the multi-pore channel pressure release trunnion by installation step in main body and
Acoustic waveguide tube cooperates, and is fixed in sounding channel, the acoustic waveguide tube is bolted with main body, as shown in Figure 4.
The present embodiment is the mount scheme of porous pressure-relief trunnion.The present embodiment uses the setting table on the sounding channel of main body
Rank grips porous pressure-relief trunnion by step and acoustic waveguide rail, since acoustic waveguide tube is that bolt is fixed, dismounts very square
Just, therefore, the dismounting of porous pressure-relief trunnion is also very convenient.
Embodiment seven:
The present embodiment is the improvement of above-described embodiment, is refinement of the above-described embodiment about porous pressure-relief trunnion.This implementation
Installation step is set on sounding channel described in example, sound wave tune is additionally provided between the multi-pore channel pressure release trunnion and acoustic waveguide tube
Pad 7 is saved, as shown in Figure 4.
The porous pressure-relief trunnion for using length different to adjust the sound of different frequency, using the shape of sound wave spacer
Formula, the porous pressure-relief trunnion for keeping length different adapt to the installation site in main body.
Finally it should be noted that being merely intended for describing the technical solutions of the present application, but not for limiting the present application above, although referring to compared with
The utility model is described in detail in good arrangement, those skilled in the art should understand that, it can be to this reality
With novel technical solution (such as form, mounting means of porous pressure-relief trunnion) each connection relationship etc.) modify or
Equivalent replacement, without departing from the spirit and scope of the technical scheme of the present invention.
Claims (7)
1. a kind of high-efficiency environment friendly sound wave ashing sounding device, comprising: sequentially connected cover board, main body, acoustic waveguide tube, it is described
Cover board is equipped with low pressure chamber, and the main body is equipped with the high pressure chest connecting with gas source, between the low pressure chamber and high pressure chest
Equipped with sounding matrix, the sounding channel of connection matrix and acoustic waveguide tube is additionally provided in the main body, which is characterized in that described
Sounding channel is equipped with the multi-pore channel pressure release trunnion that size or length easy-to-mount, by changing hole control audible frequency.
2. the apparatus according to claim 1, which is characterized in that the multi-pore channel pressure release trunnion shape be and sounding channel
Multiple relief holes are arranged along cylindrical axis of rotation direction in the cylinder matched.
3. the apparatus of claim 2, which is characterized in that multiple relief holes are equal around the axis of rotation of cylindrical body
Cloth.
4. device according to claim 3, which is characterized in that the relief hole of the multi-pore channel pressure release trunnion is at least one
The relief hole of kind diameter.
5. device according to claim 4, which is characterized in that the relief hole of the multi-pore channel pressure release trunnion is 3-6.
6. device described in one of -5 according to claim 1, which is characterized in that installation step is set on the sounding channel,
The multi-pore channel pressure release trunnion is cooperated by installation step in main body and acoustic waveguide tube, is fixed in sounding channel,
The acoustic waveguide tube is bolted with main body.
7. device according to claim 6, which is characterized in that between the multi-pore channel pressure release trunnion and acoustic waveguide tube also
Equipped with sound wave spacer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820490378.8U CN208205043U (en) | 2018-04-09 | 2018-04-09 | A kind of high-efficiency environment friendly sound wave ashing sounding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820490378.8U CN208205043U (en) | 2018-04-09 | 2018-04-09 | A kind of high-efficiency environment friendly sound wave ashing sounding device |
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| CN208205043U true CN208205043U (en) | 2018-12-07 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114041295A (en) * | 2019-09-06 | 2022-02-11 | 三星电子株式会社 | Sound output device and display device including the same |
| US12028677B2 (en) | 2019-09-06 | 2024-07-02 | Samsung Electronics Co., Ltd. | Sound output device and display device including same |
-
2018
- 2018-04-09 CN CN201820490378.8U patent/CN208205043U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114041295A (en) * | 2019-09-06 | 2022-02-11 | 三星电子株式会社 | Sound output device and display device including the same |
| CN114041295B (en) * | 2019-09-06 | 2024-04-26 | 三星电子株式会社 | Sound output device and display device including the same |
| US12028677B2 (en) | 2019-09-06 | 2024-07-02 | Samsung Electronics Co., Ltd. | Sound output device and display device including same |
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