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Ashing furnace

Description

 

The Ashing Furnace is an oven used for the high temperature treatment. In our group we used it for two main applications;

-Cleaning glass ware. This is normally done at 500ºC

-Determining the Ash content; Dry ashing,

typically 24h at 500ºC – 600ºC

 

Technical Details

Protocol for safe use of the furnace

Principal

 

How to use the furnace

There are two possible ways to use the furnace:



1. Only temperature controlled.



The furnace goes to the setpoint temperature and stays at this temperature until it is stopped manually.

Press the page button to scroll through the menu until SPºC appears.

Use the Up and Down keys to alter the value (ºC)

 

After setting the temperature the value will be stored directly. The furnace will directly start heating.

To Stop: Switch of the power using the main switch or use a lower setpoint temperature.

2. Timer Programmed.



Timer type t1



the timer waits for the setpoint temperature to be reached, then begins the countdown. On completion of the countdown, the furnace switches the power to the elements off (and flashes END on the display).

Setting up timer program

a.

 

Set the controller to Hold mode!

Hold the Up and Down keys together for 1.5 sec, until the display flash HOLd

b.

Set the timer type to t1

Press and hold the Page key for 1.5 sec to enter the menu

Press the Page key until ttYP shows on the display.

 

 

Use the Up and Down keys to set the timer type to t1

c.

Set the temperature setpoint

Press the Page key until SPºC shows on the display.

 

 

Use the Up and Down keys to alter the desired temperature.

d.

Set the setpoint ramp rate

Press the Page key until SPrr shows on the display.

 

 

Use the Up and Down keys either to switch off or to alter the rate value (ºC/min). Max is 30ºC/ min.

 

 

 

e.

Set the setpoint time

Press the Page key until t1 shows on the display.

 

 

Use the Up and Down keys either to switch off or to alter the time value (hr:min).

f.

Start the timer

Press the Page key until SPrr shows on the display.

 

Some extra functions while the timer is running:

 

Checking the remaining time

Press the timer key once.

 

Resetting the timer (only when timer count has ended or the timer is paused)

Press and hold the Timer key for 1.5sec. Displays: rST to indicate timer reset

Contact Jarno Gieteling
Contact Martin de Wit
Contact Jos Sewalt
Contact Kelly Muijlwijk

Brand

Carbolite

Type

Type 301

Organisation

Agrotechnology and Food Sciences

Department

Food Process Technology

Last edited by Jos Sewalt on 2015-06-15