CN202700890U - Diaphragm-type sound wave dust cleaning device - Google Patents
Diaphragm-type sound wave dust cleaning device Download PDFInfo
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- CN202700890U CN202700890U CN 201220352018 CN201220352018U CN202700890U CN 202700890 U CN202700890 U CN 202700890U CN 201220352018 CN201220352018 CN 201220352018 CN 201220352018 U CN201220352018 U CN 201220352018U CN 202700890 U CN202700890 U CN 202700890U
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- resonant cavity
- diaphragm
- public address
- address body
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Abstract
A diaphragm-type sound wave dust cleaning device comprises a resonant cavity base, a diaphragm, a rear cover, and a sound amplifying body, wherein the resonant cavity base is round and disk-shaped, the middle portion of the resonant cavity base is provided with a resonant cavity circular tube, an inner thread is arranged in the resonant cavity circular tube, a ring-shaped resonant cavity is formed between the outer side of the resonant circular tube and the disk-shaped resonant cavity base, the diaphragm is round, a plurality of small holes are arranged in the diaphragm, and diaphragm is installed in the resonant cavity and attached to the resonant cavity circular tube. The diameter of the rear cover is the same as that of the resonant cavity base, and the rear cover is fixedly connected with the resonant cavity base through a bolt. The sound amplifying body is divided into three sections, an outer thread of a small diameter end of the first section of the sound amplifying body is in screw connection with the inner thread of the resonant cavity circular tube, and the first and the second sections of the sound amplifying body are in screw connection with the third section of the sound amplifying body. The diaphragm-type sound wave dust cleaning device has the advantages of being convenient to assemble, debug and maintain, reducing fault points, increasing the length of the sound amplifying body, and improving property of the diaphragm-type sound wave dust cleaning device.
Description
Technical field
The utility model provides a kind of acoustic wave device ash device, refers to especially a kind of diaphragm type acoustic wave soot blower, and it is to clear up its inner dust stratification when normally moving for the equipment that or else affects.
Background technology
The utility model belongs to machinery product, is mainly used in boiler of power plant. the petrochemical industry cracker. and electric cleaner. sack cleaner. desulfurization. the cleaning dust stratification of the equipment such as out of stock device.
In the prior art, the major defect of acoustic wave soot blower is that its generating mechanism is too complicated, and fault rate is high, because the short acoustic frequency high-energy decay of public address section is fast, ash-removal effect is undesirable, does not reach the energy-saving and cost-reducing requirement of expection.
The utility model content
The purpose of this utility model is, a kind of diaphragm type acoustic wave soot blower is provided, and it has rational in infrastructure, and the life-span is long, and frequency is hanged down the advantage with high sound intensity, thereby has solved the deficiencies in the prior art.
The utility model provides a kind of diaphragm type acoustic wave soot blower, it is characterized in that, comprising:
One resonant cavity seat is the plate-like of circle, and its cross section is E shape, the center is the resonant cavity pipe, in the resonant cavity pipe internal thread is arranged, an end of this resonant cavity pipe flushes with the Pan Kou of the resonant cavity seat of plate-like, forms the ring resonance chamber between the resonant cavity seat of the outside of this resonant cavity pipe and plate-like;
One diaphragm is circle, and a plurality of apertures are arranged on this diaphragm, and the diameter of the ring resonance chamber on the diameter of this diaphragm and the resonant cavity seat is identical, and this diaphragm is installed in the resonator chamber and note is against on the resonant cavity pipe of resonant cavity seat;
One bonnet, for circular and identical with the diameter of the chamber seat that shakes, this bonnet and resonant cavity seat are affixed with bolt;
One public address body, for tubaeform, this public address body divides three sections, and there is external screw thread the end of the miner diameter end of first paragraph public address body, the internal thread hole bolt of the resonant cavity pipe of the external screw thread of this miner diameter end and resonant cavity seat center, the bigger diameter end of this first paragraph public address body is flange; The large miner diameter end of second segment public address body is flange, and the flange of the flange of this second segment public address body miner diameter end and first paragraph public address body bigger diameter end is affixed; The miner diameter end of the 3rd section public address body is flange, and bigger diameter end is a trumpet end, and the flange of the flange of the 3rd section public address body miner diameter end and second segment public address body bigger diameter end is affixed.
One pad is wherein arranged between resonant cavity seat and bonnet, play the effect of sealing.
Wherein the inner face of this bonnet forms a depressed part, and a belt boss is arranged around this depressed part, and this boss is resisted against the edge of diaphragm.
Wherein the sidewall at the resonant cavity seat has an air admission hole, and this air admission hole communicates with resonator chamber on the resonant cavity seat.
Wherein between second segment public address body and the 3rd section public address body, also has an adpting flange.
The beneficial effects of the utility model are: the one, and it is bad to have removed original support butterfly, the assembling of being more convenient for, debugging, maintenance has reduced the trouble point; One is the length that has increased the public address body again, has improved the coefficient of conductivity of acoustic frequency, greatly reduces than original technology occurrence frequency, because the reduction of acoustic frequency, the loss of the acoustic energy of acoustic wave soot blower reduces, thereby has improved the performance of diaphragm type acoustic wave soot blower.
Description of drawings
For the technical characterictic that further specifies utility model and the effect that can reach, below in conjunction with drawings and Examples the utility model is done a detailed description wherein:
Fig. 1 is the utility model section of structure.
Fig. 2 is the local enlarged diagram of A part among Fig. 1.
The specific embodiment
See also Figure 1 and Figure 2, the utility model provides a kind of diaphragm type acoustic wave soot blower, it is characterized in that, comprising:
One resonant cavity seat 1, plate-like for circle, its cross section is E shape, the center is resonant cavity pipe 4, this resonant cavity pipe 4 is one-body molded with resonant cavity seat 1, or the centre of welding and resonant cavity seat 1, in the resonant cavity pipe 4 internal thread is arranged, one end of this resonant cavity pipe 4 flushes with the Pan Kou of the resonant cavity seat 1 of plate-like, the other end protrudes from the bottom of resonant cavity seat 1, form ring resonance chamber 5 between the resonant cavity seat 1 of the outside of this resonant cavity pipe 4 and plate-like, at the sidewall of resonant cavity seat 1 air admission hole 11 is arranged, this air admission hole 11 communicates with resonator chamber 5 on the resonant cavity seat 1;
One diaphragm 2, be circle, a plurality of aperture (not shown) are arranged on this diaphragm 2, and the diameter of the ring resonance chamber 5 on the diameter of this diaphragm 2 and the resonant cavity seat 1 is identical, and this diaphragm 2 is installed in the resonator chamber 5 and notes are against on the resonant cavity pipe 4 of resonant cavity seat 1;
One bonnet 3, for circular and identical with the diameter of the chamber seat 1 that shakes, this bonnet 3 is affixed with resonant cavity seat 1 usefulness bolt, and the inner face of this bonnet 3 forms a depressed part 31 (consulting shown in Figure 2), one belt boss 32 is arranged around this depressed part 31, and this boss 32 is resisted against the edge of diaphragm 2;
Wherein between resonant cavity seat 1 and bonnet 3, a pad is arranged, play the effect of sealing;
One public address body 10, for tubaeform, three sections of this public address bodies 10 minutes, there is external screw thread the end of the miner diameter end of first paragraph public address body 101, the internal thread hole bolt of the resonant cavity pipe 4 of the external screw thread of this miner diameter end and resonant cavity seat 1 center, the bigger diameter end of this first paragraph public address body 101 is flange; The large miner diameter end of second segment public address body 102 is flange, and the flange of the flange of these second segment public address body 102 miner diameter ends and first paragraph public address body 101 bigger diameter ends is affixed; The miner diameter end of the 3rd section public address body 103 is flange, bigger diameter end is a trumpet end, the flange of the flange of the 3rd section public address body 103 miner diameter ends and second segment public address body 102 bigger diameter ends is affixed, also has an adpting flange 6 between second segment public address body 102 and the 3rd section public address body 103.
The utility model is to have carried out two at existing diaphragm type acoustic wave soot blower recurring structure to improve greatly: the one, removed former support butterfly ring, and the assembling maintenance of being more convenient for, reducing the fault point has prolonged the service life of equipment.The 2nd, increased the length of public address body 10, improved the acoustic frequency coefficient of conductivity, greatly reduce than the frequency of the technology of existing diaphragm type acoustic wave soot blower, thereby because the loss of its acoustic energy of reduction of acoustic frequency reduces the performance that has greatly improved acoustic wave soot blower.
The utility model is take compressed air as power, and the sound wave that produces the low frequency high sound intensity propagates into the dust stratification space by the diaphragm vibration through public address body acoustic impedance coupling resonance radiation.Be used for clearing up dust stratification on the equipment such as boiler of power plant, petrochemical industry cracker, electric cleaner, sack cleaner, desulfurization, out of stock device.
The course of work of the present utility model is:
Compressed air is in air admission hole 11 enters resonator chamber 5, compressed air is entered in the depressed part 31 of bonnet 3 by the aperture (not shown) of diaphragm 2 simultaneously, 31 of resonator chamber 5 and depressed parts form stable matching pressure, when resonator chamber 5 interior instantaneous pressures surpass the depressed part 31 pressure sum of the resistance of deformation of diaphragm 2 and bonnet 3, diaphragm 2 beginning deformation vibrations.After diaphragm 2 deformation vibrations, depressed part 31 interior gases are gushed by the aperture of diaphragm 2, and pressure reduces, resonator chamber 5 internal pressures increase sharply, together with diaphragm 2 self-deformation effect of elastic resistance, diaphragm 2 distortion are recovered, alternation is reciprocal, form diaphragm 2 vibration soundings, produce low-frequency sound wave, sound wave spreads out of by the resonant cavity pipe 4 on the resonant cavity seat 1, is radiated the deashing space after the acoustic impedance coupling through public address body 10 again, dust stratification is eliminated, and reaches the purpose of this utility model.Continual gas flows out the belt air-flow of formation from resonant cavity pipe 4 in air admission hole 11 enters resonator chamber 5, can prevent floating dust adhering on diaphragm 2, can play protection diaphragm 2, the effect that prolongs its service life.
The utility model is compared with present technology has following 2 improvement:
1, the one, it is bad to have removed original support butterfly, the assembling of being more convenient for, and debugging, maintenance has reduced the trouble point.
2, one be the length that has increased public address body 10 again, improved the coefficient of conductivity of acoustic frequency, greatly reduced than original technology occurrence frequency, because the reduction of acoustic frequency, the loss of the acoustic energy of acoustic wave soot blower reduces, thereby has improved the performance of diaphragm type acoustic wave soot blower.
Above-described specific embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; institute is understood that; the above only is specific embodiment of the utility model; be not limited to the present invention; within the spirit and principles in the present invention all, any modification of making, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (5)
1. a diaphragm type acoustic wave soot blower is characterized in that, comprising:
One resonant cavity seat is the plate-like of circle, and its cross section is E shape, the center is the resonant cavity pipe, in the resonant cavity pipe internal thread is arranged, an end of this resonant cavity pipe flushes with the Pan Kou of the resonant cavity seat of plate-like, forms the ring resonance chamber between the resonant cavity seat of the outside of this resonant cavity pipe and plate-like;
One diaphragm is circle, and a plurality of apertures are arranged on this diaphragm, and the diameter of the ring resonance chamber on the diameter of this diaphragm and the resonant cavity seat is identical, and this diaphragm is installed in the resonator chamber and note is against on the resonant cavity pipe of resonant cavity seat;
One bonnet, for circular and identical with the diameter of the chamber seat that shakes, this bonnet and resonant cavity seat are affixed with bolt;
One public address body, for tubaeform, this public address body divides three sections, and there is external screw thread the end of the miner diameter end of first paragraph public address body, the internal thread hole bolt of the resonant cavity pipe of the external screw thread of this miner diameter end and resonant cavity seat center, the bigger diameter end of this first paragraph public address body is flange; The large miner diameter end of second segment public address body is flange, and the flange of the flange of this second segment public address body miner diameter end and first paragraph public address body bigger diameter end is affixed; The miner diameter end of the 3rd section public address body is flange, and bigger diameter end is a trumpet end, and the flange of the flange of the 3rd section public address body miner diameter end and second segment public address body bigger diameter end is affixed.
2. diaphragm type acoustic wave soot blower according to claim 1 is characterized in that, a pad is wherein arranged between resonant cavity seat and bonnet, plays the effect of sealing.
3. diaphragm type acoustic wave soot blower according to claim 1 is characterized in that, wherein the inner face of this bonnet forms a depressed part, and a belt boss is arranged around this depressed part, and this boss is resisted against the edge of diaphragm.
4. diaphragm type acoustic wave soot blower according to claim 1 is characterized in that, wherein the sidewall at the resonant cavity seat has an air admission hole, and this air admission hole communicates with resonator chamber on the resonant cavity seat.
5. diaphragm type acoustic wave soot blower according to claim 1 is characterized in that, wherein also has an adpting flange between second segment public address body and the 3rd section public address body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220352018 CN202700890U (en) | 2012-07-19 | 2012-07-19 | Diaphragm-type sound wave dust cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220352018 CN202700890U (en) | 2012-07-19 | 2012-07-19 | Diaphragm-type sound wave dust cleaning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202700890U true CN202700890U (en) | 2013-01-30 |
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ID=47581230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220352018 Expired - Fee Related CN202700890U (en) | 2012-07-19 | 2012-07-19 | Diaphragm-type sound wave dust cleaning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202700890U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106090954A (en) * | 2016-08-26 | 2016-11-09 | 湖北省端胜实业有限公司 | A kind of loudspeaker for acoustic wave ash ejector |
-
2012
- 2012-07-19 CN CN 201220352018 patent/CN202700890U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106090954A (en) * | 2016-08-26 | 2016-11-09 | 湖北省端胜实业有限公司 | A kind of loudspeaker for acoustic wave ash ejector |
| CN106090954B (en) * | 2016-08-26 | 2018-06-15 | 湖北省端胜实业有限公司 | A kind of loudspeaker for acoustic wave ash ejector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130130 Termination date: 20130719 |