We have a big site at work but after the company expanded we were running very short on office space. Most of our accounts team was in a demountable office and they were really hot in summer and cold in winter. It was so much better for the whole team once we got the new office block built on site. This blog talks about the process of building a new office block, including the design and construction of a block for your team. I hope it will be useful for anyone looking to build a new office block on their site.
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Building a new office block
3 Common Sources of Cooling Tower Vibrations
Troy Medina
The role that cooling towers play in any manufacturing facility means that adequate maintenance is essential. Notably, scheduled maintenance of cooling towers is mandatory for efficient use of energy and low operational costs. Unfortunately, a majority of inspections tend to ignore a critical issue that affects the effective functioning of cooling towers -- vibrations. Since cooling towers are equipped with frames and rotating components such as fans and drive shafts, there is bound to be vibrations. When the vibrations exceed normal limits, the entire cooling tower system performs poorly. Therefore, it is critical to identify common causes of cooling tower vibrations and mitigations strategies.
1. Framing -- The frame plays a pivotal role in providing the structural integrity of a cooling tower. For instance, the frame holds the louvres, fans, fan cylinders and the distribution system together, thereby ensuring that everything works optimally. However, the fasteners holding the cooling tower frame wear out and get loose over time. As the cooling tower generator vibrates, the vibrations are exacerbated by the clanking, loose structures that knock against each other.
If you do not inspect the cooling tower framing, then you might end up replacing a well-functioning cooling tower fan instead of worn-out framing. Most importantly, ensure the bolts holding the generator and any other movable part are tight and free of rust. Besides, inspect any welded points for signs of weakness.
2. Fan Blades -- As mentioned previously, lack of proper inspection of a cooling tower mainframe can lead to a replacement of well-functioning components by mistake. However, the fan can also lead to abnormal vibrations in a cooling tower. The reason is that cooling tower fans have blades that are correctly aligned and secured to the centre of the fan with bolts. If one blade gets damaged and warps, then it causes the entire fan to wobble during rotation. The wobbling action causes the other modules to bend, consequently leading to cooling tower vibrations. Therefore, thorough and regular inspections of the fan and associated components are imperative for the optimal functioning of a cooling tower.
3. Driveshaft -- For a cooling tower fan to keep rotating, the system needs energy, and the power usually transmitted via the driveshaft. Since the driveshaft turns at full motor speed within the cooling tower engine, the shaft must be well-balanced. Otherwise, the driveshaft will hit any metallic parts along its path, thereby creating a lot of noise and vibrations. Additionally, being at the heart of the cooling tower exposes the driveshaft to highly corrosive elements. Therefore, regular inspection is necessary to keep the driveshaft corrosion-free.
To learn more, contact your local cooling tower repair service.
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