Day Tank

Day Tank up to 4 ton/day

The Day-Tank is a gas fired glass melting furnace to produce soda- Lime transparent and colored glass. The range dimension is from 500 kg to 4000 kg.
Its main feature is the flexibility use because you can introduce raw materials subsequently melted and finally gathered.

The working cycle is 24 hours, divided as follows: 12 hours for filling and melting, 3 hours for the rest (the glass cooling down) and about 8-9 hours for gathering and preparing of glass items. The tank is in circular shape to help the homogeneity of the glass mass temperature. The heating system has only one gas burner which works on the surface of the glass bath. The working temperatures goes from 1450°C (to melt soda-lime transparent glass) up to 1490°C (to melt dark colour like blue or green).

Day Tank combustion system

All the main furnace process variables are automatically controlled by precision closed loop controllers. The signals, derived from a comprehensive set of plant sensors, are taken to a central control and instrumentation panel. Manual by-pass switches are available for all variables for setting up or emergency use. From the central control panel it is possible to start and check all the plant.

Day Tank working cycle description

The glass melting furnace Day Tank type has a circular shape and is heated with methane gas through a hot air burner, coming from a steel heating recuperator. The furnace is provided with an automatic combustion system. The flame of the burners works tangent to the circular wall of the furnace, and it runs on the glass surface, following a U trajectory. The draught chimney is placed on a lateral position as regards the working mouth. The working cycle is daily, 24 hours on 24, and it is divided in four different phases.

Control and instrumentation panel includes:

• Operation selector and push buttons for the complete furnace
• Furnace temperature controllers Eurotherm
• Gas flow digital controller
• Air Flow digital controller
• Hot air digital controller
• PLC Signal processors for alarm status acquisition (alarm call – alarm knowledge – alarm restore)
• Furnace pressure controller

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