Product Overview:
Product applicable for: steam exhaust, boiler valve exhaust, drum exhaust, pressure vessel water expansion tank exhaust, ignition exhaust, gas collector exhaust, carbon dioxide exhaust, oxygen exhaust, pipeline exhaust, air compressor exhaust, fan exhaust, noise control for soundproof rooms, etc.
Steam muffler, primarily used for effectively silencing high-temperature and high-pressure steam emissions in industries such as power, chemicals, and metallurgy.
Steam mufflers are designed primarily for medium to high-frequency noise. Therefore, our TA series steam mufflers utilize a noise reduction principle that combines through-hole expansion and pressure reduction with sound absorption. This replaces the small-hole injection with through-hole expansion and pressure reduction, ensuring smooth steam exhaust. The composite sound-absorbing and sound-insulating enclosures and panels effectively absorb any remaining medium to high-frequency noise. The PA series steam mufflers employ a structure consisting of through-hole expansion and pressure reduction pipes and small-hole jet exhaust shells. The expansion and pressure reduction pipes distribute the steam flow, reducing noise and preventing the regeneration of sound. The small-hole jet exhaust shells are small-hole components machined from stainless steel with numerous holes, directing the wideband exhaust noise into frequencies less sensitive to the human ear and accelerating sound attenuation.
Product Features:
1. Steam muffler; the noise reduction of the steam muffler meets the requirements of the "Noise Hygiene Standards for Industrial Enterprises," reducing the export noise by 36-39 decibels (A-weighted).
2. Steam muffler; simultaneously muffles steam without affecting valve flow, and does not impact the valve's lift and return.
3. Steam mufflers, which are designed with structural and performance features to accommodate the impact of instantaneous discharge of high-temperature, high-pressure steam.
Operating Principle:
Steam silencers are designed based on a rational noise reduction principle. High-pressure steam, after passing through a once-through flow control in the silencer, enters a pressure-reducing chamber. After being expanded and depressurized in a large volume, it becomes low-pressure steam and is ejected. During this process, part of the steam's internal energy is converted into sound energy of certain frequencies, resulting in a significant reduction in noise power. However, due to various reasons such as steam exhaust deviation from the design value, the exhaust noise may still exceed the standard value. To address this, a composite noise-reducing and sound-absorbing canopy with a multi-material structure is designed outside the pressure-reducing chamber, tailored to the frequency spectrum characteristics of the remaining noise emitted by the pressure-reducing chamber, effectively absorbing the residual noise. After installation in accordance with the user's requirements, the total noise reduction can reach 36-42 decibels. To suppress the noise from high-pressure gas flow exhaust, various types of silencers have been developed, with most using multi-stage throttling and pressure reduction. However, due to their complex structure, heavy weight, and difficulty in maintenance, their application range is limited. Our steam silencer overcomes these shortcomings and integrates a rational noise reduction principle. High-pressure steam, after passing through a once-through flow control in the silencer, enters a pressure-reducing chamber and is expanded, forming low-pressure steam that is then ejected. During this process, part of the steam's internal energy is converted into sound energy of certain frequencies, significantly reducing the noise. Inside a single or mixed flow noise-reduction shell, 2-4 energy-reducing and noise-suppressing liners are centrally arranged. These liners can move vertically and horizontally to absorb the thermal expansion of the exhaust pipeline. A double-layer noise-reducing canopy is designed outside the pressure-reducing chamber.
Product Specifications:
