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Quiet Spaces
From "being able to hear" to "being able to manage": How to create a new model of "quiet city"?
2025-11-04
Joint enforcement mechanism: Wuhan has established a "noise control task force," with data sharing among the environmental protection, urban management, public security, and housing and construction departments to conduct "multiple investigations per case" for issues such as nighttime construction and noise pollution from square dancing. When monitoring networks become the "ears of the city"...
Types and functions of industrial silencers
2025-11-04
Its function is to convert noise energy into other forms of energy through mechanisms such as sound absorption, reflection, and scattering, thereby reducing noise to an acceptable level. A soundproof enclosure is a sealed shell filled with sound-absorbing material, and its reasonable structural design and sealing performance reduce noise leakage. Besides sound absorption, reflection, and...
How much do you know about noise reduction for building equipment?
2025-11-04
Noise Impact Assessment: This involves analyzing the specific impact of equipment noise on the working and living environment inside the building to determine the degree of noise reduction required. In general, noise reduction for HVAC equipment is a systematic project that requires a multi-pronged approach, including noise source analysis, vibration reduction measures, pipe noise reduction,...
2025-11-04
Sanyuan Environmental Ventilation and Soundproof Windows, with their synergistic "sound insulation + ventilation" technology, break the paradox of traditional doors and windows where "silence leads to oxygen deficiency, while ventilation leads to noise," redefining the standard for a healthy living acoustic environment. • Military-grade sealing system: EPDM composite foam strips + elastic...
What are some measures to control noise from steam turbines?
2025-11-04
2. Vibration Reduction and Balancing: Measures such as vibration damping pads and elastic supports are used to reduce the vibration and structural noise of the steam turbine. Through proper design and adjustment, vibration damping devices can reduce resonance between the blades and impeller, thereby reducing noise. Sound-absorbing panels and sound-absorbing cotton can be installed around the...
2025-11-04
According to relevant data, over 70% of urban residents expressed a strong demand for real-time monitoring of surrounding noise levels, and online monitoring equipment perfectly meets this need. In short, environmental noise online monitoring equipment, with its advantages of real-time monitoring, accuracy, remote monitoring, and long-term continuous operation, helps us create a quieter...
I complained in the residents' group chat that my neighbors were noisy, but I got attacked by them!
2025-11-04
The running sound was fast and frequent, I'm sure it was a child, but the child upstairs was the same child I just learned to walk. I only saw their child for the first time in the elevator. Then I thought of the neighbors next door, because our living room wall is shared and not a solid wall. After testing from various angles, I realized the culprit was the neighbor next door...
2025-11-04
To help enterprises understand the newly revised "Company Law of the People's Republic of China" and raise employees' legal awareness, the Jinhe... (The text abruptly ends here, likely due to an incomplete source.)
2025-11-04
Impact noises (such as footsteps or falling objects): These are caused by vibrations from objects hitting floors or walls, transmitted through the building structure, and are a current challenge for residential sound insulation. Direct transmission: Vibrations travel through floors → walls → ceiling → indoor air, creating audible noise. Door and window gaps: Poorly sealed sliding windows and...
2025-11-04
By designing special ventilation channels, sound waves undergo multiple reflections and attenuation before entering the room, thus reducing noise. Energy-saving and environmentally friendly: Through the design of multi-layered glass and sealing strips, the ventilated and soundproof window has excellent thermal insulation performance, reducing heat loss in winter and heat gain in summer, thus...
A Complete Guide to Noise Control: From Wall Soundproofing to Comprehensive Solutions
2025-11-04
New regulations for residential buildings in Hangzhou increased the thickness of partition walls from 200mm to 240mm, but this only improved sound insulation by 2 decibels, solving only 50% of the internal sound insulation problem. International acoustics forum tests showed that a 400mm thick brick wall (700kg/m²) provides 46dB of sound insulation, while a 100mm brick wall + 160...
What are the noise sources in a production workshop and how to deal with them?
2025-11-04
II. Noise Control Measures in the Production Workshop 1. Equipment Maintenance and Upgrading: Regularly inspecting and maintaining mechanical equipment, such as lubricating, repairing loose parts, and replacing worn components, can reduce noise generation. When designing and selecting equipment, consider reducing operating speed, impact, and vibration; rationally arrange production processes...
What are some noise reduction measures for industrial pump rooms?
2025-11-04
4. Vibration and Noise: Improper installation and operation of equipment in the pump room may cause equipment vibration, which in turn causes structural vibration noise, such as resonance effects from the ground, walls, and pipes. Noise sources (such as pumps, generators, and equipment motors) should be enclosed, and ventilation devices should be installed to ensure heat dissipation...
What are some noise control measures for industrial air compressor rooms?
2025-11-04
4. Vibration-Isolation Suspension System: Using a vibration-isolation suspension system to suspend the air compressor on elastic supports can reduce the transmission of machine vibration to the building, thereby reducing noise generation. The combined application of these measures can reduce noise generation and propagation, improve the working environment of the air compressor room, protect...
Noise reduction measures for transformer room
2025-11-04
Ventilation System: Design a reasonable ventilation system, avoiding the use of high-noise fans and selecting low-noise fans and air conditioners to reduce noise generated during equipment operation. Interior Shape Design: When designing the transformer room, consider the acoustic characteristics of the interior shape and materials, selecting appropriate wall and ceiling shapes to reduce sound...
A letter to the property management company: Suggestions for resolving neighborhood noise issues
2025-11-04
However, this will inevitably upset one homeowner sometimes, so you need to act as judges, because unreasonable people need to be suppressed by public authority. The root of the conflict lies in the neighbors each considering the issue from their own perspective; neither is willing to consider whether the house has soundproofing issues or whether soundproofing is needed, because...
2025-11-04
Recently, the noise online team of the company's Technology R&D Department proposed a "four-dimensional model" solution. This solution empowers the noise mapping system through a full-chain process of "perception, analysis, decision-making, and feedback," providing a replicable and scalable benchmark for urban sound environment management. Sanyuan Environment has innovatively built a...
2025-11-04
Building upon traditional soundproof windows, the advent of ventilated soundproof windows represents a significant upgrade, resolving the issues of traditional windows failing to provide adequate sound insulation when open and lacking ventilation when closed. The application of ventilated soundproof windows also has practical implications, as traffic noise pollution is only one aspect; other...
What are some things to keep in mind when customizing industrial soundproof rooms?
2025-11-04
In conclusion, industrial soundproof rooms play a crucial role in industrial production. Through sound insulation design and material application, they effectively reduce noise levels, creating a relatively quiet environment for workers. When designing and customizing industrial soundproof rooms, it is necessary to comprehensively consider noise characteristics, sound insulation materials,...
What are the application scenarios and customization requirements for sound-absorbing wedges?
2025-11-04
In conclusion, sound-absorbing wedges, as an important acoustic treatment tool, play an indispensable role in numerous applications due to their superior sound absorption performance and flexible customization options. Whether in concert halls, recording studios, industrial plants, or school classrooms, sound-absorbing wedges can effectively improve the acoustic environment and enhance...
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