Muffle Furnace — Ashing
Muffle Furnace — Ashing
Ashing Furnace – 1000ºC
Construction
The furnaces are strongly constructed of zinc coated steel powder coated Wedgewood blue with Hi Temp black front face and door. The muffle is strongly supported by a refractory mould at the front and insulating bricks at the back. It is insulated with ceramic fibre and firebricks. The steel cover around the muffle is surrounded by an air cavity and by gravity convection draws heat away from the bottom and out through the top reducing the wall temperature of the outer body. An air gap at the front and louvres on back panel allow adequate air flow to ensure a cool instrument panel. All cantilever door furnaces are fitted with a door switch for safety.
The Kanthal Al Element is controlled by a microprocessor based PlD Controller complete with Auto Tune function and sensor compensation for accurate temperature control. An over temperature cut out is also provided as a standard feature.
Air exhaust is through an adjustable 50mm vent on top of the furnace. Airflow is up to 20 exchanges per minute at 800ºC. The air inlet is through two vent tubes at the back of the furnace, allowing air to pass over the external surface of the muffle through channels in the insulating bricks and into the working chamber via a gap at the top of the muffle. This gives a preheated airflow to maintain n even temperature. The heating section of muffle is set back from the door face approximately 7Omm to give an even temperature from front to back of working area. The outer case is kept to minimum temperature by a surrounding air cavity.
To contact Furnace Technologies about Muffle Furnace — Ashing use Get a quote.
Construction
The furnaces are strongly constructed of zinc coated steel powder coated Wedgewood blue with Hi Temp black front face and door. The muffle is strongly supported by a refractory mould at the front and insulating bricks at the back. It is insulated with ceramic fibre and firebricks. The steel cover around the muffle is surrounded by an air cavity and by gravity convection draws heat away from the bottom and out through the top reducing the wall temperature of the outer body. An air gap at the front and louvres on back panel allow adequate air flow to ensure a cool instrument panel. All cantilever door furnaces are fitted with a door switch for safety.
The Kanthal Al Element is controlled by a microprocessor based PlD Controller complete with Auto Tune function and sensor compensation for accurate temperature control. An over temperature cut out is also provided as a standard feature.
Air exhaust is through an adjustable 50mm vent on top of the furnace. Airflow is up to 20 exchanges per minute at 800ºC. The air inlet is through two vent tubes at the back of the furnace, allowing air to pass over the external surface of the muffle through channels in the insulating bricks and into the working chamber via a gap at the top of the muffle. This gives a preheated airflow to maintain n even temperature. The heating section of muffle is set back from the door face approximately 7Omm to give an even temperature from front to back of working area. The outer case is kept to minimum temperature by a surrounding air cavity.
To contact Furnace Technologies about Muffle Furnace — Ashing use Get a quote.
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