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Electric furnace principle（原理）
What should I pay attention to in the operation of the induction melting furnace?
The phase-frequency AC power is converted into DC power, and after the inverter circuit output is converted into a single-phase AC power, the metal is heat-treated according to the principle of electromagnetic induction. However, in order to ensure that the intermediate frequency furnace can operate efficiently, it is necessary to carry out safe operation. The following is a detailed description of how to carry out safe operation.
First, the precautions before opening the furnace
The intermediate frequency electric furnace must check the electrical equipment, the water cooling system, the inductor copper tube, etc. before the furnace is opened. Only when these several equipments are in good condition can the correct method of safe operation of the intermediate frequency furnace be analyzed.
The intermediate frequency furnace is a kind of equipment used for casting forging and hot processing. It consists of several parts such as frequency conversion device, furnace body and furnace control. By ensuring the safety of heat treatment by three furnaces, it is forbidden to open the furnace; The person responsible for power transmission and opening, and the responsible person shall not leave the post without authorization. During the work, the external condition of the sensor and the cymbal must be supervised to prevent people from touching the sensor and cable after power transmission, which affects the normal operation of the intermediate frequency electric furnace. Work or a safety accident.
Second, the precautions after the furnace
After the intermediate frequency furnace is opened, during the charging, the inside of the furnace should be inspected to avoid mixing with flammable and explosive materials. In order to prevent the occurrence of the capping phenomenon, it is strictly forbidden to directly add the cold material and the wet material in the molten steel, and after the molten liquid is filled to the upper portion, the bulk material should not be added; in order to avoid the explosion accident, it is necessary to ensure the pouring place and the furnace. There is no water in the front pit, no obstacles. In the pouring, two people need to cooperate, and the remaining molten steel can only be dumped at the place where it is made, and cannot be dumped anywhere.
Third, the precautions during maintenance
When maintaining the medium frequency electric furnace, the internal frequency generator room should be kept clean, and flammable and explosive materials should not be stacked. Repair the furnace with excessive melt loss in time, and avoid the incorporation of iron filings and iron oxide in the furnace to ensure the compaction of the crucible.
The phase-frequency AC power is converted into DC power, and after the inverter circuit output is converted into a single-phase AC power, the metal is heat-treated according to the principle of electromagnetic induction. However, in order to ensure that the intermediate frequency furnace can operate efficiently, it is necessary to carry out safe operation. The following is a detailed description of how to carry out safe operation.
First, the precautions before opening the furnace
The intermediate frequency electric furnace must check the electrical equipment, the water cooling system, the inductor copper tube, etc. before the furnace is opened. Only when these several equipments are in good condition can the correct method of safe operation of the intermediate frequency furnace be analyzed.
The intermediate frequency furnace is a kind of equipment used for casting forging and hot processing. It consists of several parts such as frequency conversion device, furnace body and furnace control. By ensuring the safety of heat treatment by three furnaces, it is forbidden to open the furnace; The person responsible for power transmission and opening, and the responsible person shall not leave the post without authorization. During the work, the external condition of the sensor and the cymbal must be supervised to prevent people from touching the sensor and cable after power transmission, which affects the normal operation of the intermediate frequency electric furnace. Work or a safety accident.
Second, the precautions after the furnace
After the intermediate frequency furnace is opened, during the charging, the inside of the furnace should be inspected to avoid mixing with flammable and explosive materials. In order to prevent the occurrence of the capping phenomenon, it is strictly forbidden to directly add the cold material and the wet material in the molten steel, and after the molten liquid is filled to the upper portion, the bulk material should not be added; in order to avoid the explosion accident, it is necessary to ensure the pouring place and the furnace. There is no water in the front pit, no obstacles. In the pouring, two people need to cooperate, and the remaining molten steel can only be dumped at the place where it is made, and cannot be dumped anywhere.
Third, the precautions during maintenance
When maintaining the medium frequency electric furnace, the internal frequency generator room should be kept clean, and flammable and explosive materials should not be stacked. Repair the furnace with excessive melt loss in time, and avoid the incorporation of iron filings and iron oxide in the furnace to ensure the compaction of the crucible.
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