Current Status & Existing Problems
In the process of industrial production and construction, noise problems can be caused by vibration, friction and impact of mechanical equipment, as well as the disturbance of air flow. This kind of noise is characterized by a wide range, complexity and suddenness, the sources of noise are also difficult to identify, making it difficult to control. The noise and vibration frequency of different equipment, the arrangement of equipment and piping systems, and the structure of equipment should be comprehensively analyzed, and different measures should be taken to reduce the impact.
Clocell Solutions
Clocell provides comprehensive acoustic professional services for all types of equipment, equipment rooms and equipment floors, including noise and vibration testing, noise simulation and calculation, design, supporting materials, and engineering services. It is committed to providing customers with a one-stop solution to completely eliminate customer worries.
Equipment & Pipeline
1.Ventilation equipment inlet and outlet, in the airflow through the same time, the mechanical noise of the equipment at the same time through the air outlet or duct to the outside world, thus affecting the service area or outdoor sensitive areas. 2. The vibration of power-type equipment will excite the vibration of the affiliated pipes, and at the same time, it will be transmitted to the building structure through the pipeline fixing system, affecting the sensitive areas along the pipes.
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Floating Floor
1、When reciprocating machinery operates, the vibration generated is transmitted through the equipment foundation to the building structure, thereby affecting the sensitive areas above and below the building. Floating floors are commonly used for equipment with high operational stability or in combination with steel spring systems to form a double damping system. In addition to improving damping efficiency, floating floors also improve the air sound insulation performance of the building slab.
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Elevator Noise
1、Noise from contactor engaging and electromagnetic radiation of the elevator also travels through the floor slab to the owner’s room. 2、Lift rope vibration and noise, counterweight and car on both sides of the lift wire rope head fixed directly on the host I-beam, so the stress vibration of the steel wire rope during high-speed operation is also transmitted through the I-beam "sound bridge" to the household room; 3、Frictional vibrations from the high-speed sliding of the elevator guide rail is transmitted to the owner's room through the resonance of the I-beam. I. Vibration noise 1、Elevator mainframe (holding brake, traction machine, traction sheave) 2、Elevator control cabinet (contactor, inverter fan, etc.) 3、Lift speed limiter and wire rope assembly II. Air noise The source of the machine room is strong (approx. 75-80 dB) and the ordinary floor slab may not have sufficient sound insulation (check the space above the machine room).
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Transportation
Engine drive bearings for transport vehicles in operation 1、Causes resonance of components Engine compartment cavity resonance noise, which radiates into the air through the thin panels of the body, and affects the comfort of use.
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Industrial Facilities
For the operation of industrial supporting equipment such as cooling towers and fan units. 1、Noise radiated from the intake and exhaust of the fan, from the motor during operation, from the ducts, body etc. Structural sound transmission of vibrations from mechanical equipment to surrounding buildings during operation.
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Construction Noise
1、As the rapid development of urban infrastructure, construction and real estate industries, complaints about construction site noise from urban residents have surged. 2. Construction noise mainly includes: pile piling, earth and stone excavation, steel cutting and processing, concrete mixing, air compressors, engineering transport vehicles and other types of noise radiating outward.
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Reference Projects
