Acoustic cleaning technology is a concrete manifestation of “applied acoustics†in the field of environmental dust removal, and is a typical application of strong sound field in industry. According to the data, the use of sonic cleaning as a single cleaning method for electrostatic precipitators has long been used abroad and has been successfully applied.
Since the sonic cleaner has the following characteristics, it plays a very important role in dust removal.
1. Acoustic cleaners have a wide range of applications. Acoustic cleaners can be widely used in industrial boilers, power station boilers, recovery furnaces and heating furnaces that use pulverized coal, fuel oil, wood burning and various combustible gases to remove furnaces, reheaters, economizers, and air. The ash residue on the surface of the preheater; the ash accumulated on the surface of the electrode plate and the pole line in the electric field of the electrostatic precipitator; the ash accumulated on the surface of the filter bag of the bag filter; and the blocking and bridging of various ash storage bins.
2 , the sound wave cleaner is effective in a wide range of applications, leaving no dead ends in the cleaning. The range of the sonic cleaner is mainly determined by the frequency and intensity of the applied sound waves. The range of the super-action is proportional to the wavelength of the sound wave. At the same time, the sound waves also have reflection, diffraction, transmission and refraction. The sound waves emitted by the sound cleaner can enter the sealed space of the equipment and can be applied to each corner to establish a stronger sound field, effectively preventing the deposition of ash. The role of cleaning.
3. The sonic cleaner has a simple structure and a small investment. Taking boiler cleaning as an example: once the sound wave enters the furnace, it can automatically propagate to the space where the ash removal is required, without the need for a large and complicated telescopic and rotating mechanism, so the equipment cost is much lower than the traditional dust removal equipment.
4. The operation and maintenance cost of the sonic cleaner is low. The sonic cleaner has no rotating parts. The only consumable part is the titanium diaphragm of the sounder. Its service life is generally more than two years, the county will not affect the production when replacing the diaphragm, the operation is simple when changing, the time is short, just a few minutes. The compressed air cost required to generate acoustic energy is only 10% to 20Z% of the cost of the steam soot blower , which can reduce the focus of the furnace and avoid the laborious and dangerous manual work.
5 , sonic cleaner clearing effect is reliable, easy to operate, easy to use, users can combine the actual use, determine the mode of operation, adjust the work procedure is convenient.
6. Acoustic cleaners are small in size, compact in structure, easy to install, low in failure rate and small in maintenance.
With the needs of modernization and the improvement of people's environmental quality requirements, strict control of air pollution emissions is an urgent need for environmental protection. In order to reflect green environmental protection, China is effectively managing dust emissions from dust collectors in key areas. Many electrostatic precipitators have been difficult to meet the emission standards. At the same time, the difficulty of technological transformation and economic investment are also increasing. However, the sonic cleaner provides an uneconomical and reliable high-tech and low-cost solution for the above-mentioned situation, and has broad development prospects. The sonic cleaner is really "powerful" in environmental dust removal.
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