The ashing furnace L ../11 BO is specially designed for processes in which larger sample quantities have to be incinerated. Fields of application are e.g. the ashing of food, thermal cleaning of injection molding tools or the determination of annealing loss. Another application is the debinding of ceramic products, e.g. after additive production.

The ashing furnaces have a passive safety system and integrated exhaust gas post combustion. An exhaust gas fan extracts flue gases from the furnace and simultaneously supplies fresh air to the furnace atmosphere with the result that sufficient oxygen is always available for the incineration process. The incoming air is guided behind the furnace heating and preheated to ensure good temperature uniformity. Exhaust gases are led from the furnace chamber to the integrated post combustion system, where they are postburned and catalytically cleaned. Directly after the incineration process (up to max. 600 °C) a subsequent process up to max. 1100 °C can take place.

• Tmax 600 °C for the incineration process
• Tmax 1100 °C for the subsequent process
• Three-side heating (both sides and bottom)
• Ceramic heating plates with embedded heating wire
• Only fiber materials are used which are not classified as carcinogenic according to TRGS 905, class 1 or 2
• Dual shell housing made of structured stainless steel provides for low outer temperature and high stability
• Steel collecting pan protects the bottom insulation
• Spring-assisted closing of the furnace door (flap door) with mechanical locking against unintentional opening
• Thermal/catalytic post combustion, integrated in the exhaust channel, up to 600 °C in function
• Temperature control of post combustion can be set up to 850 °C
• Monitored exhaust air
• Inlet-air preheated through the bottom heating plate
• Over-temperature limiter with adjustable cutout temperature for thermal protection class 2 in accordance with EN 60519-2 as temperature limiter to protect the furnace and load
• Defined application within the constraints of the operating instructions
• NTLog Basic for Nabertherm controller: recording of process data with USB-flash drive

Additional equipment

• Process control and documentation via VCD software package for monitoring, documentation and control

* Note: If other controller types are used an adapter cable for connection to mains supply has to be ordered separately. The device will be activated by plugging in the socket.

Chimney for connection to an exhaust pipe.	Chimney with fan, to remove exhaust gas from the furnace better. The B400 - P480 controllers can be used to activate the fan automatically (not for models L(T) 15.., L 1/12, LE 1/11, LE 2/11).*	Catalytic converter with fan for removal of organic components from the exhaust air. Organic components are catalytically oxidized at about 600 °C, broken into carbon dioxide and water vapour. Irritating odors are thus largely eliminated. The B400 - P480 controllers can be used to switch the catalytic converter automatically (not for models L(T) 15.., L 1/12, LE 1/11, LE 2/11).*
Exhaust torch to burn exhaust gases which are generated during the process. The torch is gas-fired and will be operated with propane gas. If a catalytic post combustion cannot be used for the process this torch is recommended.	Square saggar for furnaces LHTC and LHT, Tmax 1600 °C The load is placed in ceramic saggars for optimal utilization of the furnace space. Up to three saggars can be stacked on top of each other in the furnace. Each saggar has cut-outs for better ventilation. The top saggar should be closed with a lid made of ceramics also.	Round saggar (Ø 115 mm) for furnaces LHT/LB, Tmax 1650 °C These saggars are perfectly suited for furnaces LHT/LB. The load is placed in the saggars. Up to three saggars can be stacked on top of each other in order to use the overall furnace chamber.

Select between different bottom plates and collecting pans for protection of the furnace and easy loading (for models L, LT, LE, LV and LVT

Ceramic ribbed plate, Tmax 1200 °C	Ceramic collecting pan, Tmax 1300 °C	Steel collecting pan, Tmax 1100 °C

Heat-resistant gloves for protection of the operator when loading or removing hot materials, resistant to 650 °C or 700 °C.

Gloves, Tmax 650 °C	Gloves, Tmax 700 °C	Various tongs for easy loading and unloading of the furnace