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Dry-Cleaning Presses
Although   they   look   different,   they   basically operate on the same principles. The dry-cleaning machine shown in figure 6-2 is commonly called the  multimatic  (Model  Solo)  and  has  a  load capacity of 30 pounds. The dry-cleaning machine shown  in  figure  6-3  is  the  VIC  model  manufac- tured  by  the  VIC  Manufacturing  Company and  the  components  are  shown  for  your  reference. The  dry-cleaning  units  used  today  are  much easier  and  safer  to  operate  than  machines  used in  the  past.  They  eliminate  the  job  of  moving solvent-ladened   clothes   from   one   machine   to another. You simply load the machine and when the  cycle  is  complete  clothes  are  dry  and  ready to press. This lowers the risk of solvent exposure. Listed below is basically what happens to a load during  a  complete  cycle: 1.  The  load  is  placed  in  the  washer  basket, where  solvent  and  soap,  with  the  motion  of  the machine,  carry  on  the  initial  washing  process. 2. The solvent travels in a cycle through the washing basket into the filter-where much of the dirt  it  has  collected  is  removed—and  back  into the  washer,  where  the  load  is  rinsed. 3. A portion of the solvent is drained off after it passes through the filter. This solvent enters the distilling unit, where it is completely purified. This is done by heating the solvent until it vaporizes. The  vapor  is  then  run  over  cold  pipes  to  lower its temperature rapidly and return it to a liquid state.  After  distilling,  the  solvent  again  enters  the washing cycle. By this means the total amount of solvent  in  the  machine  is  kept  at  an  acceptable level  of  purity  for  a  long  time. 4.  At  the  end  of  the  washing-rinsing  period, the flow of solvent is automatically shut off and the machine spins to extract the solvent from the load. 5. After extraction, any remaining solvent is reclaimed during the drying process. This is done by  tumbling  the  garments  in  a  stream  of  warm air  that  vaporizes  the  solvent.  The  solvent-ladened air  is  passed  over  a  cooling  coil,  condensed  into liquid solvent, and returned to the stowage tank for reuse. The length of the drying cycle depends Figure 6-4.—Dry-cleaning press. 6-8

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