Air conditioning system condensation problems and preventive measures

Anti-condensation air outlet has a variety of, the most important is the use of small thermal conductivity of the thermal insulation materials produced by the anti-condensation air outlet. General central air-conditioning systems usually use aluminum alloy air vents and ABS plastic air vents. In summer, the phenomenon of condensation and water dripping from the air outlet will be more likely to occur, and the treatment methods are as follows: 1) Use the material with small thermal conductivity to produce anti-condensation air outlet (such as wood air outlet). 2) Increase the volume of air supply, increase the temperature of the air supply, and reduce or shut down the fresh air. 3) Adjust the shape of the air outlet, and make it into a gradual expansion type. 4) In the original aluminum alloy air outlet and the surface of the ABS plastic air outlet, paste, plating on a layer of thin heat insulation or anti-condensation material. 5) Louvered air outlet and ABS plastic air outlet, the surface of the aluminum alloy air outlet and ABS plastic air outlet, the surface of the aluminum alloy air outlet and ABS plastic air outlet. 5) The louvered air outlet can be adjusted by adjusting the blade angle of the edge to produce large turbulence at the exit, increasing the edge part of the induced wind. 6) The soft connection of the air outlet is not done: when installing, the air outlet is not sealed tightly with the duct, and there is a leakage of cold air leakage, resulting in dew condensation of the water vapor in the air. In this case should first through the access hole to find the parts and reasons for the lack of tightness, and then do according to the requirements of dense. Another situation is subject to space constraints, flexible connection slanting pull leading to the formation of condensation out of the air is not smooth, condensed water is brought out by the wind, the formation of dripping at the air outlet. Condensation on the outer surface of the pipe insulation layer: air conditioning insulation material performance and thickness does not meet the design requirements, the insulation effect of the insulation layer will be reduced or even failure. So in the air conditioning project insulation is very critical, insulation effect will directly increase the loss of air conditioning cold and reduce the effect of indoor air conditioning, while increasing the operating costs of air conditioning, the more serious is the thermal conductivity of the insulation layer is too large, the thickness is not enough or insulation bonding is not tight, etc. will cause condensation phenomenon. First of all, check the insulation material incoming inspection report, certificate of conformity and retest report, and insulation material site sampling retest, the results are qualified, thus ruling out the quality of the material caused by the condensation of this factor. Secondly, check the information and design drawings of the air conditioning system insulation material thickness review. Calculated, the thickness of the insulation layer should be taken 35mm, and the design is 3cm thick flame retardant B1 grade foam rubber insulation, obviously does not meet the requirements. Pipe bracket parts of the dew: site inspection found on the ground every 3m position of the presence of water stains, ceiling parts have been damaged, initially judged to be water leakage or pipeline condensation dripping. Remove the damaged ceiling, found on both sides of the wooden bracket and insulation materials there is a gap, gap width of nearly 5mm, the pipe under the mouth due to condensation convergence into water droplets.