Product Details
I. Definition
Pipe muffler (muffler) products mainlyEffective noise reduction for steam emissions from thermal equipment such as boilers and steam turbines in power generation departments。
II. Usage
For use with: Steam BoilersSteam related to thermal equipmentEmissionThe noise emitted can reach up to 130 decibels.
III.Features
Pipe mufflers (silencers) are primarily used for effectively silencing steam emissions from thermal equipment such as boilers and steam turbines in power generation departments. They are also extensively applied in the steam emissions silencing and other gas emission control in industries such as oil, chemical, metallurgy, and textile..A muffler is a device that blocks sound transmission while allowing air flow.Significant measures for reducing steam exhaust dynamic noiseTo evaluate the quality of a steam exhaust silencer, the following three aspects are mainly considered:
The noise reduction of the pipe muffler meets the requirements of the "Noise Hygiene Standards for Industrial Enterprises."
2. Pipe silencers are adaptable to a wide frequency spectrum of low to medium frequencies and high temperatures and pressures.
3. Pipe silencers feature reasonable structural dimensions, low cost, and long service life.
Boiler steam in the power generation department is not only high temperature and high pressure but also has a wide frequency range of emissions. Simply using small holes for noise reduction is insufficient. The Zhuli Exhaust Noise Attenuator is developed based on the composite noise reduction principle of resistance, spray, and obstruction, featuring large noise reduction capacity, wide frequency adaptability, and targeted design (for various boilers and pressure vessel pipelines with parameters such as low, medium, sub-high, high, ultra-high, subcritical, and supercritical pressures). The noise reduction chambers are made of stainless steel (1Cr18Ni9Ti, 12Cr1MoV) for easy manufacturing and installation.
FourPrinciple
Boiler exhaust silencers are manufactured based on the micro-perforated plate noise reduction principle. The steam emissions from power plant boilers typically have high flow rates, and high flow rates significantly affect the noise reduction of small holes. Therefore, we need to control the flow first, and then the steam that has been controlled enters the expansion chamber for further pressure reduction and noise reduction. After the steam is subjected to a large-volume pressure reduction, it forms low-pressure steam that is ejected. During this process, the airflow is ejected through small orifices. After ejection, the sound power in each harmonic frequency band has been reduced, and the sound pressure level frequency is pushed up to above 20,000Hz, greatly diminishing the noise. However, secondary noise at certain frequencies still requires further noise reduction. We add a resistive sound-absorbing cotton structure outside the expansion chamber, which is designed based on the frequency spectrum characteristics of the remaining noise emitted by the pressure reduction body, to effectively absorb the remaining noise. After the user installs it according to specifications, the total noise reduction should reach 30-60 decibels, meeting the required standards.
FiveSelection
The mufflers are meticulously designed according to the user's emission targets and requirements. Consequently, only products that match the emission targets and parameters are eligible.GreatExcellent sound-dampening effect.
