What is a High Frequency Induction Furnace? What can high frequency induction heating equipment do?

High-frequency induction furnace is referred to as high-frequency furnace. High-frequency furnaces have been widely used in foreign countries, and in recent years, the domestic development has also been rapid. In addition to imitation products, completely localized high-frequency furnaces have entered the market and achieved good application results.

High-frequency induction is an advanced heating method, as there is only a high-frequency power output when the sample is burned, and the high-frequency induction stops when the combustion is complete. After the high-frequency furnace is started, there is no need for heating and preheating time, and the sample can be analyzed at any time. The high-frequency furnace has very excellent combustion performance, and the conversion rate of carbon and sulfur is higher than that of the tube furnace, and the carbon can be considered to be almost 100%, and the sulfur can reach more than 99% according to relevant information.

The high-frequency induction furnace has a high melting rate, and the power can be kept in the optimal frequency band during the melting process, which greatly eliminates the adverse effect of the new furnace lining on the melting speed. The molten steel is of high quality and the yield of castings is high; The power factor is high, and the power factor can reach more than 97% during the operation of the whole machine, and there is no interference with the power grid. The outstanding advantage of high-frequency furnace is that it has strong adaptability to samples, especially for tube furnaces, special materials that are difficult to burn in electric arc furnaces, such as stainless steel, high chromium, high manganese steel, electric heating alloys, intermediate alloys, pure metals (Ni, Co, Cu, etc.), ferrosilicon and ferrochrome in ferroalloys, ores, slags, sinteres, oil shale, graphite, tungsten carbide, rare earth materials and various non-metallic raw materials, etc., all have good combustion effects. The high-frequency furnace has stable combustion performance, easy operation and high degree of automation, such as matching with infrared analyzer.

Accurate and reliable carbon and sulfur analysis results will be obtained. In 1989, the high-frequency combustion - infrared absorption method has been listed as ISO standards (ISO9556-89, ISO4935-89), which shows the high reliability and technical leadership of this method.

High-frequency electric furnace, also known as high-frequency heating machine, high-frequency induction heating equipment, high-frequency induction heating device, high-frequency heating power supply, high-frequency power supply, high-frequency electric furnace. High-frequency welding machines, high-frequency induction heating machines, high-frequency induction heaters (welders), etc., as well as medium-frequency induction heating equipment, ultra-high-frequency induction heating equipment, etc. The range of applications is very wide.

How to properly operate high-frequency induction heating equipment? Desheng people will give you a comprehensive explanation of the operation method.

1. Henan Desheng induction heating equipment operation instructions:

1. After the equipment is installed, it can be handed over to the actual operator to start using after being debugged by the commissioning personnel.

2. The operator should read the operation instructions in detail and memorize the operation steps before operating.

Second, Henan Desheng induction heating equipment operation sequence:

1. Connect the water pump to ensure that the water flow is smooth and there is no leakage.

2. Close the 380V power switch.

3. Turn on the power switch button on the front panel of the power supply device (hereinafter referred to as the control panel), and check whether the DC voltmeter, oscillation frequency meter, oscillation ammeter and power indicator are displayed normally. If it is displayed normally, you can proceed to the next operation.

4. Press the start button on the control panel to heat the workpiece, and press the stop button after the heating is completed.

Note: No-load operation is strictly prohibited! ）

5. When the operator gets off work or needs to rest for a long time, the equipment should be completely stopped, that is, stop heating--- turn off the control power supply--- disconnect the power switch--- turn off the water pump.

Control panel for high-frequency induction heating equipment.

Waterway pipes and three-phase access cables.

Main unit and transformer and cable connections.

Complete sets of high-frequency induction heating equipment.

Application examples of high-frequency quenching equipment.

The operation of high-frequency induction heating equipment is simple, that is, it will be learned, and the ability of the operator is not high.

Cast to see if you can operate a high-frequency induction heating device like this:

1. The cooling water should ensure that the water quality is clean and free of impurities, if the water quality is too poor, a filter should be added at the water inlet, and it is strictly forbidden to lack water during work.

2. The sensor should be prevented from short circuit during use.

3. The sensor should be kept clean at all times, especially the multi-turn sensor, to prevent short circuit between turns, and the point contact parts should be kept clean to prevent oxidation.

4. The main power devices inside the high-frequency induction heating equipment are water-cooled, the temperature of the cooling water is very important to the cooling effect of the power device, in the interval between stopping the work, please do not turn off the cooling water, for the load duration rate of 100% of the user's cooling water temperature is best lower than 40, the conditions allow the recommended use of soft water.

5. Users who use ordinary water as cooling water should regularly (depending on the water quality, generally two months as a cycle) to descale the pipelines in the equipment to prevent the equipment from being damaged due to poor heat dissipation. The descaler is an ordinary automobile water tank descaler, which is diluted by 1 40 and then directly pumped into the equipment pipeline for cleaning.

6. The high-frequency induction heating equipment should be kept clean, and the dust on the circuit board and other parts should be removed regularly with brushes and compressed air.

7. Keep the air-cooled and water-cooled channels unimpeded at any time.

The correct use of IGBT high-frequency induction heating equipment can avoid human error and bring unnecessary trouble to your own production. First of all, be sure to turn on the machines strictly in order.

1. IGBT high-frequency induction heating equipment start-up sequence:

1. Select and install the appropriate sensor according to the size of the workpiece.

2. Turn on the cooling water, and check the flow and pressure of the cooling water. If there is any abnormality, it should be checked.

3. Turn on the power supply, the power supply is three-phase three-wire 380V, and the chassis should be reliably grounded.

4. Press the front panel control switch, turn on the control power supply, and the power indicator of the panel should be on.

5. Wait for about 5 seconds, when you hear the "click" sound of the AC contactor in the cabinet, you can heat up the operation.

6. Put the workpiece into the inductor and use the remote control switch or the panel manual heating start button for heating. When the requirements are met, disconnect the remote control switch or panel heating and shut down.

7. When the work is completed, the heating operation should be stopped, and the "control switch" of the host panel should be turned off first, and then the power distribution air switch should be turned off.

Scope of application. 1. Heat treatment: local or integral quenching, annealing, tempering, and diathermy of various metals;

2. Hot forming: whole forging, partial forging, hot upsetting, hot rolling;

3. Welding: brazing of various metal products, welding of various cutter blades and saw blades, welding of steel pipes and copper pipes, welding of the same and different metals;

4. Metal smelting: (vacuum) smelting, casting and evaporation coating of gold, silver, copper, iron, aluminum and other metals;

5. Other applications of high-frequency heating machine: semiconductor single crystal growth, thermal fitting, bottle mouth heat sealing, toothpaste skin heat sealing, powder coating, metal implant plastics, etc.

The correct use and operation method of IGBT high-frequency induction heating equipment to avoid human error and unnecessary trouble. First of all, it must be turned on in strict order.

First, the starting sequence of IGBT high-frequency induction heating equipment:

1. According to the size of the workpiece, select and install the appropriate sensor.

2. Turn on the cooling water and check the cooling water flow and pressure. If there is an abnormality, it should be checked.

3. Turn on the power supply, three-phase three-wire 380V power supply, and the chassis should be grounded.

4. Press the control switch on the front panel, turn on the power supply, and the power indicator of the control panel should be lit.

5. Wait for about 5 seconds, when they hear the "click" sound of the cabinet AC contactor, immediately pull the heating operation.

6. The sensor is placed inside the workpiece, with a remote control switch or a manual heating plate heating button. When you meet the requirements, disconnect the remote control switch or panel to turn off the heating.

7. When the work is completed, stop the heating operation, turn off the "control switch" on the host panel, and then turn off the air conditioner power distribution switch.

Heating, quenching, annealing, brazing, etc.

Metal heating (forging surface treatment) is possible

1. The principle of high-frequency induction heating equipment:

Induction heating is the use of alternating currents to generate current vortices in the inductance coil, that is, eddy currents, which cause the electron holes in the magnetically conductive objects in the coil to move and generate heat. High-frequency induction heating equipment can instantaneously heat a metal object to any desired temperature, including its melting point. Induction heating is a great revolution in traditional heating.

2. The principle of the two is different

The principle of induction cooker is the phenomenon of electromagnetic induction, that is, the alternating current is used to generate an alternating magnetic field that changes direction through the coil, and there will be a vortex current inside the conductor in the alternating magnetic field, which is caused by the vortex electric field driving the movement of carriers in the conductorThe Joule heating effect of the vortex current heats up the conductor and thus heats up.

1. The principle of high-frequency induction heating.

Induction heating is the use of induced currents (eddy current losses, eddy current losses, etc.) generated by conductors under the action of high-frequency magnetic fields. and the role of the magnetic field in the conductor.

Hysteresis loss causes the conductor to heat up and heat it up.

2. The composition of the induction heating system is composed of high-frequency power supply (high-frequency generator), wire, transformer and inductor. Its working steps are to turn the ordinary power supply (220V 50Hz) into a high-voltage high-frequency low-current output by the high-frequency power supply, (the frequency is determined according to the heating object, as far as its packaging material is concerned, the general frequency should be about 480kHz.) Through the transformer, the high-voltage, high-frequency and low-current are turned into low-voltage, high-frequency and high-current.

After the sensor passes through the low voltage, high frequency and high current, a strong high-frequency magnetic field is formed around the sensor. Generally, the higher the current, the higher the strength of the magnetic field.

The correct use and operation method of IGBT high-frequency induction heating ZD equipment to avoid human error and unnecessary trouble caused by their own production. First of all, we had to start it in strict order.

First, the starting sequence of IGBT high-frequency induction heating equipment:

1. According to the size of the workpiece, select and install the appropriate sensor.

2. Turn on the cooling water and check the cooling water flow and pressure. If there is an abnormality, it should be checked.

3. Turn on the power supply, three-phase three-wire 380V power supply, and the chassis should be grounded.

4. Press the control switch on the front panel, and the power indicator of the power control panel should be lit.

5. Wait for about 5 seconds, when they hear the "click" sound of the cabinet AC contactor, immediately pull the heating operation.

6. The sensor is placed inside the workpiece, with a remote control switch or a manual heating button to start the right. When you meet the requirements, disconnect the remote control switch or panel to turn off the heating.

7. When the work is completed, stop the heating operation, turn off the "control switch" on the host panel, and then turn off the air conditioner power distribution switch.