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With increasing global emphasis on marine ecological protection, noise control for offshore drilling platforms has become a key issue in the industry's green transformation. As core technologies and equipment for noise control, soundproof enclosures and silencers significantly reduce the impact of platform operations on the marine environment by reducing noise at its source and blocking its propagation. my country's "Marine Environmental Protection Law" and "Action Plan for Pollution Prevention and Control in Marine Oil and Gas Development" explicitly require enterprises to adopt efficient noise reduction technologies; the application of soundproof enclosures and silencers is an innovative practice of this requirement.
I. Technical Principles and Advantages
Soundproof enclosure: Creating an equipment-grade "quiet cabin"
Principle: The multi-layer composite sound insulation structure (outer metal plate + middle damping layer + inner sound-absorbing material) is used to block the transmission of equipment operating noise by reflecting, absorbing and attenuating sound wave energy.
Advantages :
Modular design, adaptable to different equipment such as drilling rigs, generators, and pump sets;
Corrosion resistant and salt spray resistant, suitable for high humidity and high salinity marine environments;
An integrated ventilation and heat dissipation system ensures safe operation of the equipment.
Muffler: Precisely targeting airflow noise
Principle: For aerodynamic noise (such as exhaust vents and ventilation ducts), the energy of mid-to-high frequency noise is reduced by using an expansion-type silencing cavity, porous sound-absorbing materials, or frequency resonance structure.
Advantages:
Low pressure loss, does not affect equipment operating efficiency;
Customizable design to match different gas flow rates and frequency characteristics;
Easy to maintain, with a service life of over 10 years.
II. Core Application Scenarios of Offshore Drilling Platforms
Noise reduction of drilling rig power system
By installing a fully enclosed soundproof enclosure on a diesel generator set, combined with internal sound-absorbing lining, the noise of a single unit can be reduced from 110 decibels to below 85 decibels.
An impedance composite muffler is installed in the exhaust pipe to reduce high-frequency airflow noise by up to 30 decibels.
Noise control of pump and compressor units
The high-pressure pump unit is covered with a partial soundproof enclosure to effectively isolate mechanical vibration and noise.
Install a reactive silencer at the compressor inlet to reduce low-frequency noise interference to platform staff.
Refined management of auxiliary equipment and pipelines
Design lightweight soundproof enclosures for auxiliary equipment such as air conditioning outdoor units and hydraulic stations;
The ventilation ducts use sound-absorbing elbows and louvers to block noise from spreading along the duct.
III. Social Benefits and Industry Value
Ecological protection: reducing underwater noise interference with sonar communications of cetaceans and dolphins, and maintaining marine biodiversity;
Compliant operation: Meeting the requirements of national regulations such as the "Environmental Protection Standards for Offshore Oil and Gas Development" and avoiding the risk of environmental penalties;
Economic benefits:
Reduce ecological compensation costs caused by noise pollution;
Extend equipment life (soundproof enclosures can reduce salt spray corrosion).
As a leading integrated acoustic environment service provider in China, Sanyuan Environment adheres to the philosophy of "specialization, focus, and professionalism," dedicated to providing global clients with comprehensive acoustic environment solutions across the entire industry chain, from consulting and diagnosis to customized design, equipment manufacturing, and engineering implementation . With eighteen years of experience in noise and vibration control, the company has successfully assisted multiple industries, including petrochemicals, power, marine engineering, and urban transportation, in achieving green and low-carbon transformation, relying on its independently developed intelligent noise reduction equipment, digital acoustic simulation platform, and professional technical service team.
In the field of noise control for offshore drilling platforms, SANY Environmental has innovatively applied modular soundproof enclosures and corrosion-resistant silencers, providing noise reduction services for numerous offshore oil and gas projects. With "scientific noise control and precise prevention" as our core principles, we strictly adhere to national environmental protection policies, are committed to safeguarding the tranquility of the marine ecosystem, and empowering sustainable corporate development.
Let the world be quieter and development more harmonious!