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HEAT CLEANING OVEN FOR THE PAINTING INDUSTRY


       

HEAT CLEANING OVENS FOR THE PAINTING INDUSTRY HAVE EVOLVED INTO SOPHISTICATED PROCESS CLEANING OVENS WITH CONTROLS DESIGNED FOR PROCESSING A VARIETY OR MATERIALS FOUND IN THE COATING INDUSTRY TODAY. THEY ARE DESIGNED TO NOT ONLY CLEAN MATERIAL HANDLING HARDWARE BUT ALSO STRIP REJECT PARTS, ALLOWING THEM TO BE RECYCLED THROUGH THE COATING PROCESS.

CLEAN HOOKS AND CLEAN FIXTURES MINIMIZE OVERSPRAY AND ENHANCE THE COATING QUALITY THEREBY REDUCING REJECTS AND CONSERVING COATING MATERIALS. THIS IS PARTICULARY VISIBLE IN ELECTROSTATIC POWDER COATING APPLICATIONS AND COATING LINES WHERE YOU CAN PHYSICALLY VIEW THE COATING BEING APPLIED. A PROPERLY CLEANED FIXTURE WILL PROVIDE THE ELECTRICAL CONDUCTIVITY REQUIRED FOR PROPER COATING. A DIRTY HOOK OR IMPROPERLY CLEANED FIXTURE WASTES COATING MATERIALS AND INCREASES THE PROBABILITY OF AN IMPROPERLY COATED COMPONENT

        Technical Details....... 

   

OVEN WORK PROCESS

    THE HEAT CLEANING PROCESS OVEN INVOLVES A CHAMBER, AN INTEGRAL THERMAL OXIDIZING AFTER BURNER, TEMPERATURE CONTROLS FOR BURNERS, AN AIR SUPPLY, AND A WATER MIST INJECTION SYSTEM FOR CONTROLLING FLASH TEMPERATURES THAT MAY OCCUR WHEN PROCESSING LARGE LOADS OF COMBUSTIBLES.

HEAT CLEANING OVENS OPERATE ON THE CONTROLLED AIR PRINCIPAL. COMBUSTION AND TEMPERATURE ARE CONTROLLED BY RESTRICTING AIR FLOW TO THE LOAD. THE RPINCIPAL IS THE SAME AS USED ON A BACKYARD SMOKING OVEN. THE FIRE IS SMOTHERED BY LIMITING THE OXYGEN NECESSARY FOR THE COMBUSTION. CONTROLLED AIR OVENS ARE NORMALLY EQUIPPED WITH PLC CONTROLS SHOWING OVEN PROCESS TEMPERATURES. WHEN THE PRESET TEMPERATURE IS REACHED AIR SUPPLY IS AUTOMATICALLY RESTRICTED. WHEN THE TEMPERATURE DROPS THE BURNER COMES BACK ON AND THE AIR SUPPLY IS AUTOMATICALLY OPENED.

ALL HEAT CLEANING OVENS INCLUDE AN INTEGRAL THERMAL OXIDIZING AFTERBURNER WITH ITS OWN TEMPERATURE CONTROLLER. THIS IS SIZED TO SUPPLY AIR TO THE PROCESS CHAMBERS EXIT GASES AND BRING GASES TO 800- 1100 º C OR HIGHER FOR OXIDIZING THE FUMES, SMOKE, AND ODORS BEING DISCHARGED FROM THE LOAD.

MOST PAINTS AND VOLATILE COATING IGNITE IN THE 260- 600 º C RANGE, CAUSING RAPID TEMPERATURE RISE TO THE CONTROLS AJUSTABLE SET POINT. THIS AUTOMATICALLY SHUTS DOWN THE PROCESS CHAMBER BURNER AND AIR SUPPLY. AS OXYGEN IS CONSUMED, THE FLAME IS EXTINGUISHED AND PAINT CLEANING CONDITIONS ARE ESTABLISHED.

                  

 
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