CN2388499Y - High sound intensity mid-frequency sound wave ash remover - Google Patents
High sound intensity mid-frequency sound wave ash remover Download PDFInfo
- Publication number
- CN2388499Y CN2388499Y CN 99245765 CN99245765U CN2388499Y CN 2388499 Y CN2388499 Y CN 2388499Y CN 99245765 CN99245765 CN 99245765 CN 99245765 U CN99245765 U CN 99245765U CN 2388499 Y CN2388499 Y CN 2388499Y
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- connecting shaft
- nozzle
- diverting
- mozzle
- cap
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Abstract
The utility model relates to a high sound intensity mid-frequency sound wave ash remover, which comprises a diverting tube, a nozzle, a connecting shaft and a resonant cap, wherein, the middle part of the connecting shaft is provided with a concave groove, and a diverting cone is fixed to the front end of the connecting shaft; the front part of the connecting shaft is sheathed with a plurality of diverting plates which are fixedly connected with the connecting shaft; the diverting plates are provided with more than two diverting holes; the connecting shaft is arranged in the diverting tube; the nozzle is fixed to the back end of the diverting tube. The rear part of the connecting shaft is arranged in the resonant cap, and a resonant cavity is formed between the resonant cap and the connecting shaft. The utility model can be used by the enterprises of petrifaction, electric power, etc., for cleaning ash deposit and scale on heat exchanger tubes of cracking furnaces, furnaces, air heat booster, waste heat boilers, coal-fired boilers, etc., which are used for multi-fuel combustion of fuel oil, gas and oil gas.
Description
The utility model belongs to a kind of Acoustic Wave Ash Disposal Device.
The infrasonic sound of present domestic employing (16-20HZ), low frequency (30-70HZ) siren formula sound wave ash remover, be by motor-operated porose rotor modulation air-flow, by waveguide or loudspeaker radiation sound wave, air-flow acoustic energy conversion efficiency is low, most of straight-flow air sprays to the opposite furnace wall, and acoustic energy only limits near spout or the horn mouth, and the sound pressure level at heat exchanger tube place only is 120-130dB, sound field is inhomogeneous in the stove, causes dedusting effect not obvious.During sonic soot cleaning, also exist furnace wall is produced vibration, wash away furnace lining, the big deficiency that waits of stove external noise.In addition, the domestic dust collection by sound wave soot blower (500-25KHZ) that also has other types, steam acoustic wave ash ejector (32.5-325HZ), because of its material resistance to elevated temperatures poor, service life is short, is often stopped up and can't normally move by the soot particle in anvil cinder and the flue gas in the steam transmitting pipe line because of its spray seam is little again.More than the acoustic wave ash ejector range of application of several forms only limit to remove floating ash in the boiler, can't see black dirt during sonic soot blowing and come off, heat exchanger tube can not keep not having the ash deposit and slag buildup phenomenon for a long time.
The purpose of this utility model, be to provide on pyrolysis furnace, technology heating furnace, air preheater, waste heat boiler and the coal-burning boiler of a kind of fuel oil that can be widely used in petrochemical industry, electric power enterprise, combustion gas, oil-gas mixed burning at the problems referred to above, in order to remove the ash deposit and slag buildup on the heat exchanger tube, and low, the no plugging fault of air consumption, the high sound intensity intermediate frequency sound wave ash remover of long service life.
The purpose of this utility model adopts following technical proposals to realize, that is:
High sound intensity intermediate frequency sound wave ash remover comprises that mozzle, deflection cone, one are with baffle upper plate, guide ring, nozzle, connecting shaft, resonance cap.Two above pod apertures are arranged on the deflector.Deflection cone is a streamlined, and deflection cone is fixed on the front end of connecting shaft.One groove is arranged on the connecting shaft, constitute the acoustic reflection device.Bellmouth is arranged on the nozzle, and nozzle is fixedlyed connected with the mozzle rear end.Insert in the mozzle from the bellmouth of nozzle the front portion of connecting shaft, and one has the connecting shaft through hole respectively with on the baffle upper plate, and one is set on the connecting shaft with baffle upper plate, and is connected with the connecting shaft solid welding, and the outer rim of deflector closely cooperates with the mozzle inwall respectively.Build-in has guide ring between adjacent two deflectors.The ring-type gas outlet is arranged between the bellmouth of connecting shaft and nozzle.Insert in the resonance cap at the rear portion of connecting shaft, fixedlys connected with the resonance cap in the connecting shaft rear end.The internal diameter of resonance cap is positioned at the external diameter of resonance cap part greater than connecting shaft.Constitute resonator between resonance cap and the connecting shaft.
Said nozzle and mozzle are with spiral marking connection, but also solid welding connects.
Above-mentioned resonance cap and connecting shaft are with spiral marking connection, but also solid welding connects.
Above-mentioned resonance cap angle of elevation alpha
1Be the 20-75 degree.
Said nozzle conical surface inclination alpha
2Be the 20-75 degree.
Above-mentioned resonance cap internal diameter Φ
1Be 14-120mm, the dark L of resonator
1Be 3-130mm.
Above-mentioned connecting shaft external diameter Φ
2Be 10-60mm.
The external diameter Φ of above-mentioned connecting shaft upper groove
3Be 8-55mm, groove length L
2Be 5-50mm.
The internal diameter Φ at the bell place of said nozzle
4Be 12-120mm.
The utility model can be widely used on fuel oil, combustion gas, the pyrolysis furnace of oil-gas mixed burning, various technology heating furnace (convection section, radiant section), air preheater, waste heat boiler and the coal-burning boiler of enterprises such as petrochemical industry, electric power, in order to remove the ash deposit and slag buildup on its heat exchanger tube.The utility model is according to sound wave superposition, scattering and diffraction theory, utilize compressed steam or air, nitrogen to be used as power, excite resonator cavity resonance, generation 〉=140dB on heat exchanger tube, the uniform high sound intensity intermediate frequency of sound field sound wave is removed the ash deposit and slag buildup on the heat exchanger tube.
Because the utility model produces uniform high sound intensity sound field in stove, and sound field is even, thereby, can reach the significant purpose of ash disposal scaling effect in a short period of time,, use the utility model can make the long-term maintenance of boiler tube totally for new boiler tube or the firm boiler tube that cleans, no ash deposit and slag buildup phenomenon, for the boiler tube of permanent used ash deposit and slag buildup, use the utility model, exhaust gas temperature is descended 10 ℃ to 30 ℃.In addition, also have stove external noise low (meet " Code for design of noise cintrol in industrial enterprises " GBJ87-85 require), air consumption low, plugging fault do not occur, furnace wall do not produced vibratory impulse, non-maintaining, advantages such as long service life.
Fig. 1 is the structural representation of a kind of embodiment of the present utility model, and Fig. 2 is a kind of user mode schematic diagram of the present utility model.The utility model is described in further detail below in conjunction with accompanying drawing.
High sound intensity intermediate frequency sound wave ash remover comprises mozzle 1, deflection cone 2, two deflectors 3, guide ring 4, nozzle 6, connecting shaft 7, resonance cap 10.Connecting shaft 7 external diameter Φ
2Be 55mm, connecting shaft 7 middle parts are fluted 8, and connecting shaft is positioned at the external diameter Φ at groove 8 places
3Be 50mm, groove 8 constitutes the acoustic reflection device.There is axis hole 11 resonance cap 10 rear ends, the internal diameter Φ of resonance cap 10
1Be 70mm, angle of elevation alpha
1Be 55 degree, the long L of inner chamber
1Be 130mm.Nozzle conical surface inclination alpha
2Be 45 degree, nozzle 6 has bellmouth 12, the internal diameter Φ of the airflow outlet end of nozzle 6
4Be 68mm.Respectively there are 13, two deflectors 3 of two pod apertures a connecting shaft through hole respectively to be arranged on two deflectors 3 along its axis.Annular recess 14 is arranged on the rear inside wall of mozzle 1.Deflection cone 2 is streamlined, and deflection cone 2 is fixed on the front end of connecting shaft 7 with screw thread, and two deflectors 3 are set in the front portion of connecting shaft 7, and are connected with connecting shaft 7 solid weldings respectively.Guide ring 4 is embedded between two deflectors 3, and connecting shaft 7 front portions are loaded onto in the mozzle 1 of packing into behind deflector 3 and the guide ring 4, and the inwall of the annular recess 14 at the outer rim of deflector 3 and guide ring 4 and mozzle 1 rear portion closely cooperates.Nozzle 6 is fixed on the rear end of mozzle 1 with screw thread, between nozzle 6 and the connecting shaft 7 the ring-type gas outlet is arranged.Pack in the resonance cap 10 in the rear portion of connecting shaft 7, the rear end shaft 5 of connecting shaft 7 connects with the rear end axis hole 11 of screw thread and resonance cap 10.Form resonator 9 between the outer wall of the inwall of resonance cap 10 and connecting shaft 7.
When air-flow (air, steam, nitrogen etc.), enter from mozzle 1, after the pod apertures on the deflector 3,, enter resonator 9 from the nozzle ejection, resonant acoustic wave gives off the high sound intensity sound wave by reflector 8, and the exchange heat pipe carries out ash disposal.
Fig. 2 is that the utility model is at convection section in cracking furnace (finned tube, light pipe) scheme of installation.It comprises convection section outlet chimney 15, convection section low-temperature heat exchange pipe 16, convection section high-temperature heat exchange tube 18, many high sound intensity intermediate frequency sound wave ash removers 17.Many this soot blower combinations make the stove internally finned tube sound pressure level 〉=140dB of place.Soot particle breaks away from boiler tube and is in suspended state under the strong sound wave effect, the lighter takes away with flue gas stream, and weight person sinks, comprehensive ash disposal snaking, and the thermal efficiency improves more than 0.5%.
Claims (3)
1, high sound intensity intermediate frequency sound wave ash remover, comprise mozzle (1), nozzle (6), connecting shaft (7) and resonance cap (10), the middle part fluted (8) that it is characterized in that described connecting shaft (7), be set with one with baffle upper plate (3) in the front portion of connecting shaft (7), two above pod apertures (13) are arranged on each deflector (3), deflector (3) is connected with connecting shaft (7) solid welding, and build-in has guide ring (4) between per two deflectors (3), is fixed with deflection cone (2) at the front end of connecting shaft (7); On mozzle (1) rear inside wall annular recess (14) is arranged, connecting shaft (7) is packed in the mozzle (1), and the outer rim of deflector (3), guide ring (4) and the inwall of annular recess (14) closely cooperate; Nozzle (6) has bellmouth (12), and nozzle (6) is fixed on the rear end of mozzle (1), and the annular flow outlet is arranged between nozzle (6) and the connecting shaft (7); Pack in the resonance cap (10) in connecting shaft (7) rear portion, fixedlying connected with resonance cap (10) in connecting shaft (7) rear end, constitutes resonator (9) between resonance cap (10) inwall and connecting shaft (7) outer wall.
2, high sound intensity intermediate frequency sound wave ash remover according to claim 1 is characterized in that described connecting shaft (7) external diameter Φ
2Be 10-60mm, the external diameter Φ that the groove (8) on the connecting shaft (7) is located
3Be 8-55mm, the long L of groove (8)
2Be 5-50mm; The conical surface inclination alpha of described nozzle (6)
2Be the 20-75 degree, the internal diameter Φ at the bell place of nozzle (6)
4Be 12-120mm; Described resonance cap (10) internal diameter Φ
1Be 14-120mm, the angle of elevation alpha of resonance cap (10)
1Be the 20-75 degree; The dark L of described resonator (9)
1Be 3-130mm.
3, high sound intensity intermediate frequency sound wave ash remover according to claim 1, it is characterized in that the preceding client link of deflection cone (2) with screw thread and connecting shaft (7), the rear end shaft (5) of connecting shaft (7) is connected with the rear end axis hole (11) of resonance cap (10) in the mode of screw thread or welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99245765 CN2388499Y (en) | 1999-10-04 | 1999-10-04 | High sound intensity mid-frequency sound wave ash remover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99245765 CN2388499Y (en) | 1999-10-04 | 1999-10-04 | High sound intensity mid-frequency sound wave ash remover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2388499Y true CN2388499Y (en) | 2000-07-19 |
Family
ID=34031580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99245765 Expired - Fee Related CN2388499Y (en) | 1999-10-04 | 1999-10-04 | High sound intensity mid-frequency sound wave ash remover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2388499Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100445643C (en) * | 2006-09-29 | 2008-12-24 | 张晨 | High-frequency high voice and strong sound wave blower |
| CN103187047A (en) * | 2011-10-04 | 2013-07-03 | 通用电气公司 | Method and systems for acoustic cleaning |
| CN103256612A (en) * | 2013-05-06 | 2013-08-21 | 张晨 | Coal-fired boiler shaft flue with sonic soot blowers |
| CN112517587A (en) * | 2020-11-13 | 2021-03-19 | 苏州百仕顿工业科技有限公司 | Install high negative pressure dust removal external member on welder |
-
1999
- 1999-10-04 CN CN 99245765 patent/CN2388499Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100445643C (en) * | 2006-09-29 | 2008-12-24 | 张晨 | High-frequency high voice and strong sound wave blower |
| CN103187047A (en) * | 2011-10-04 | 2013-07-03 | 通用电气公司 | Method and systems for acoustic cleaning |
| CN108393311A (en) * | 2011-10-04 | 2018-08-14 | Bha阿尔泰尔有限责任公司 | For the clean method and system of acoustics |
| CN103256612A (en) * | 2013-05-06 | 2013-08-21 | 张晨 | Coal-fired boiler shaft flue with sonic soot blowers |
| CN112517587A (en) * | 2020-11-13 | 2021-03-19 | 苏州百仕顿工业科技有限公司 | Install high negative pressure dust removal external member on welder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |