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Common faults and solutions of muffle furnace

The muffle furnace will inevitably encounter some failures during the use process. When we are repairing, we should also pay attention to some matters. Let's learn how to use the muffle furnace correctly and the maintenance knowledge about the muffle furnace with the experts.
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(1) The muffle furnace should be placed on a solid cement table, and no chemical reagents should be stored around, let alone flammable and explosive materials;
(2) The muffle furnace must have a dedicated switch control power supply;
(3) When the new furnace is heated for diyi times, the temperature should be adjusted step by step several times and slowly rise;
(4) When melting or burning samples in the furnace, the heating rate and zuigao furnace temperature must be strictly controlled to avoid sample splashing, corrosion and bonding of the furnace. Such as burning organic matter, filter paper, etc. must be ashed in advance;
(5) The furnace should be lined with clean and flat refractory sheets to avoid damage to the furnace wall in the event of accidental splashing;
(6) After the muffle furnace is used up, the power must be cut off first, and the furnace door can be opened after the temperature drops below 200 ℃, and the power must be cut off when loading and taking samples to prevent electric shock;
(7) The opening time of the furnace door should be as short as possible when loading and taking samples to extend the service life of the electric furnace;
(8) It is forbidden to pour any liquid into the furnace;
(9) Do not put samples stained with water and oil into the furnace; do not use clamps stained with water and oil to load and take samples;
(10) Wear gloves when loading and taking samples to prevent burns;
(11) The sample should be placed in the middle of the furnace, neatly placed, and not to be placed randomly;
(12) Do not touch the electric furnace and surrounding samples casually;
(13) Cut off the power and water source after use;

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