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<table cellpadding="3" cellspacing="0" width="100%" class="forumline"> <thead> <caption><table border="0" cellspacing="0" cellpadding="0" width="100%" class="forumheader"> <tr> <td align="left" valign="bottom" width="25"><img src="http://picsrv.fora.pl/AcidTechTiger/images/hdr_left.gif" width="25" height="27" alt="" /></td> <td align="center" class="forumheader-mid">Topic review</td> <td align="right" valign="bottom" width="25"><img src="http://picsrv.fora.pl/AcidTechTiger/images/hdr_right.gif" width="25" height="27" alt="" /></td> </tr></table></caption> </thead> <tbody> <tr> <th class="thCornerL" width="22%" height="26">Author</th> <th class="thCornerR">Message</th> </tr> <tr> <td width="22%" align="left" valign="top" class="row1"><span class="name"><a name=""></a><b>lompiacv</b></span></td> <td class="row1" height="28" valign="top"><table width="100%" border="0" cellspacing="0" cellpadding="0"> <tr> <td width="100%"><img src="http://picsrv.fora.pl/AcidTechTiger/images/post_old.gif" width="12" height="9" alt="Post" title="Post" border="0" /><span class="postdetails">Posted: Sun 6:20, 26 Dec 2010<span class="gen"> </span> Post subject: ugg milano Reduce the humidity in a clean room ren</span></td> </tr> <tr> <td colspan="2"><hr /></td> </tr> <tr> <td colspan="2"><span class="postbody">Reduce the humidity in a clean room renovation project <br /> <br /> <br />Set of dry cooling coil and self-circulating fan. The fresh air is 10000m / h, the amount of the circulating air is 180000m3 / h. Shown in Figure 1, the operating room (1), (2) shared a new air system, fresh air after a new fan fine processing (after preheating, spraying, cooling, reheat, humidification treatment of sections etc.), the whole years remained at 15 ¡æ, 75% of the working conditions (apparatus dew point is 10.5 ¡æ) into the interior circulation fan inlet box. Is due to the change process needs to be operating room (1) the temperature and humidity to 23 ¡À 2 ¡æ, 35 ¡À 3%, operating room (2) of the indoor parameters unchanged; purification level is also unchanged. As a studio (1) internal layout of equipment and ancillary facilities was more intensive and can not transform them from within; the same time, customers require that the operating room (1) the transformation can not affect the operation room (2) production. In order to make the best use of existing clean air purification equipment but does not change between the big decision on the operating room alone (1) fresh air for dehumidification. In the original operating conditions, the dew point for the new wind machines 10.5 \After transformation, the indoor 23 ¡æ, 35% of the apparatus dew point temperature of 6.5 ~ C, cold water can then be frozen dehumidifier 6 ¡æ. Sui in this case,<a href="http://www.stivaliuggboots.com" target="_blank">ugg milano</a>, you can use direct evaporative desiccant wheel or freon refrigeration dehumidification; other dehumidification methods, such as heating, ventilation, liquid adsorption, do not apply here. The site visit can be placed relatively narrow space dehumidifier,<a href="http://www.stivaliuggitalia.org" target="_blank">ugg italia</a>, and dehumidifier relatively large size, the need to separate recycled air duct, fan and heater, field space can not meet the requirements. Therefore decided to use Freon refrigeration dehumidification direct evaporation method. As a studio (2) all parameters were unchanged, and the operating room (1) the transformation can not affect the operation room (2) production, so the old fresh air handling units remain unchanged, the new parameters of the wind out of the wind remained throughout the year 15 ¡æ, 75%. In the operating room (1) of the new air branch in need of additional direct evaporation of a Freon refrigeration dehumidifiers, air handling to the new machine 6.5 ¡æ dew point. And 6.5 ¡æ in the fresh air directly into the loop if the fan inlet box may cause condensation, and mixed uneven regional temperature rise to issues such as dehumidification of fresh air through the secondary should also be heating up after the treatment. Heating means heating coil can be used. However, we think carefully and calculations that can be directly used frozen dehumidifier condenser to heat the fresh air after dehumidification, in so doing we can save this part of the heating, cooling fan and can save, while the compressor and condensing does not have to put outdoors, greatly reducing the length of refrigerant pipe, reducing energy loss, resulting in improved dehumidifier Caohui You, male, May 1971 students, engineers, information industry Eleventh Design Research Institute. 3 2002 27 refrigeration Lj transfer efficiency. Finally, we designed this non-standard units direct evaporation of Freon refrigeration dehumidifier shown in Figure 1, DH-1 dehumidifier unit refrigeration system and air conditioning systems will be organically combined. Fresh air through the fresh air unit MAU-1 treatment to 15 ¡æ, 75%, go to the DH-1 dehumidification unit, first through the evaporator cooling dehumidification processing to 6.5 ~ C, and then through the condenser is heated to 22 ~ C, an additional one wind turbine to overcome the resistance of the evaporator and condenser, and sent into the air box from the circulating fan. Freon evaporation temperature control here at 4. O ~ C, the coil will not freeze. After dealing with the new air temperature is 22 ¡æ, 15 ~ C than the original, increasing the heat by adjusting the dry and cold coils of electric valve opening, increasing the amount of cold water, you can eliminate this part of the heat. As a studio (1) of the new air ratio is small, the increase in this part of the heat is not large, will not affect the cooling water system. DH-1 for the dehumidification unit for the MAU-1 and out of the wind parameters are constant throughout the year, which dehumidifier running extremely stable. In the actual implementation process, in order not to affect the production,<a href="http://www.ed-love-ca.com" target="_blank">ed hardy clothing</a>, we developed a detailed construction owners plan to achieve the holidays wind, water mains switch, to ensure their normal production. Renovation project put into operation immediately after the good results achieved, temperature and humidity are controlled within the range required, be sure all aspects of the owners. This approach cleverly desiccant dehumidifier condenser used as air temperature, which saves energy,<a href="http://www.airjordansshoescheapnike.com" target="_blank">air jordans</a>, but also solved the dehumidifier after the air temperature too low, do both. Dehumidifier at the same time simple, compact layout,<a href="http://www.airjordansshoescheapnike.com" target="_blank">air jordan shoes cheap</a>, small footprint, strong practical. 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