How to Optimize Layout for Central Centralized Dedusting System
First, keep the pipeline layout simple. Straight pipes are better. This reduces the number of elbows and tees. Fewer elbows mean less air resistance.
If you need to turn, use elbows with a curvature radius of at least 2.5 times the pipe diameter. You can also choose segmented elbows, like 4-6 section 90° elbows. Both options lower resistance effectively.
For tee connections, avoid T-type right-angle ones. Instead, use inclined tees (15°-45°) or goat-horn tees. These types ensure smooth air flow.
When placing suction inlets, follow the hose coverage radius (9-15 meters). Put them in high-frequency cleaning areas first, such as stairwells and room entrances. Make sure furniture does not block the inlets.
Hose external suction inlets should be 30cm above the ground. Concealed suction inlets need to be 120cm high. They should be flush with power sockets or switch panels.
Calculating resistance correctly is a key step. First, count the pipe length. Each meter of Ф50 pipe has a resistance of about 20mmH₂O. Then add the resistance from elbows and tees. Use this total to select the right host power.
The host's negative pressure should be at least 13KPa (1300mmH₂O). Its air suction volume needs to be over 10m³/min. This ensures cleaning efficiency.
To balance the system, install butterfly valves or inclined inserting plate valves on the connecting pipes of the dust hoods. These valves help adjust the air volume of each branch.
Reserve measurement holes on the pipes. They are used to measure pressure loss and wind speed during commissioning.
For high-power dust collectors in workshop centralized dedusting systems, they are usually installed outdoors. A rain shelter must be installed to protect the equipment from rain and moisture.
The pipe slope should be at least 5°. This prevents water accumulation and blockage. Install a cleaning port at the top of vertical pipes.
When selecting accessories, use independent elbows (such as 22.5°, 45°) instead of combined ones. This maintains air tightness.
Equip the end suction inlets with anti-clogging valves. They prevent large particles from entering the pipes.
For daily maintenance, clean the dust collection cartridge filter every 2-3 months. Replace it every six months. This avoids blockage.
Check the pipe tightness regularly. Leaks will affect negative pressure, so fixing them in time is important.
In terms of safety, keep pipes insulated from electrical equipment. This prevents static accumulation.
In flammable dust environments, install explosion-proof devices. Also, ground the pipes properly.
A well-designed central centralized dedusting system needs to combine layout optimization, material selection, system calculation and maintenance planning.
It is advisable to use professional design software, such as CFD simulation, to verify air flow distribution. Also, refer to actual cases to adjust parameters. This ensures the system works efficiently and safely.
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