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Cire Technologies Supplies New Process Line Including High Temperature Flotation Tower Oven

This project encompassed the design, fabrication, installation and start-up of a new process line for a web coating and curing process line in a clean room environment. This turnkey installation included the web handling equipment, a 4-zone tower flotation oven and an interactive computer control system. The process required gentle handling of a light film product and the demanding service of oven operating temperatures up to 842°F (450°C).

The oven was designed with a hybrid heating system using indirect propane heated make-up air and electrical coil supplemental heat in the final three zones of the oven. The indirect heat is powered by a nozzle burner firing into a recirculating loop, through a plate type heat exchanger. The efficiency of the indirect system exceeds 95% . The make-up air is HEPA filtered and fed to the four oven zones. High temperature filters are provided in the recirculating loop of the first three zones. A cooling zone at the top of the tower cools the web with HEPA filtered outside air prior to it passing over the turn roll. A nozzle retraction system allows the nozzles to be set anywhere from 0.375" to 3.5" apart.

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Cire Technologies Supplies New Dryers to Increase Press Line Speed and Quality

This project encompassed the design, fabrication and start-up of four new direct impingement dryers for an existing press line upgrade. The process prints water based inks on various substrates. The upgrade has increased the line capability three-fold.

The dryers are designed for 750 fpm printing speeds but are capable of reaching speeds over 1000 fpm. The system includes an innovative design utilizing a single burner system to supply heat to all of the four press dryers while still maintaining independent temperature control for each dryer.

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New Process Line - High Temperature Floatation Oven for Oxidizing Process

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This project encompassed the design, fabrication, installation and start-up of a new process line for a web oxidizing process line. This turnkey installation included the web handling equipment, 3-pass and six temperature zone oven and an interactive computer control system. The process required gentle handling of a brittle product and the demanding service of oven operating temperatures up to 752°F (400°C).The oven was designed with three, ten-meter passes of floatation ovens. Each pass has two temperature and velocity zones and is heated with electric coils. A high-temperature heat exchanger reduces power requirements by over 60% by capturing the waste heat from the oven exhaust to pre-heat the make-up air supplied to each zone. Careful design and consideration of temperature (on the fly) splice heating station, accumulator, web guides and web rewind. The computer interface control system allows for precise control of the entire line and recipe development.The project was completed on time and on budget, while exceeding stringent performance specifications. Variable speed drives on all fan motors and precise control of each of the six zones result in a flexible process line, which will allow for process changes as well as accommodating new future products.

For over 20 years, Cire Technologies has provided high quality solutions for the converting industry. The close personal coordination of our senior personnel with our customer insures highly effective solutions in the drying and oxidizer fields. Our services can include any and all phases of a project from conceptual design to final design and fabrication through to the installation and start-up. We look forward to applying our experience to solve your unique challenges.

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251 Boulevard • Mountain Lakes, NJ 07046-1209
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