Luoyang HongtengIntermediate frequency induction furnace
There are four kinds of tilting mechanisms of intermediate frequency induction melting furnaces: lifting type tilting furnace, screw drive mechanism tilting furnace, worm gear, and worm mechanism tilting furnace and hydraulic device tilting furnace. 1、Hoisting tilting furnace The lifting type tilting furnace is lifted by the lifting device on the crane or special crane, and the hoisting ring installed on the furnace frame is hoisted, so that the furnace body can be turned over to complete the steel production process. This method is simple and suitable for medium frequency induction furnaces with small capacity. 2、Lead screw drive mechanism tilting furnace The motor is used to drive the lead screw lifting device through the reducer to complete the furnace body turnover and complete the steel production process. This method is suitable for small capacity medium frequency induction furnace steel. 3、worm gear and worm mechanism tilting furnace The worm gear and worm mechanism of the tilting furnace are connected with the horizontal shaft of the furnace body rotation, and the worm gear and worm mechanism are driven by the motor to make the furnace body turn over and complete the steel production process. This method is suitable for 1~3 T capacity medium...
In the use of intermediate frequency induction heating furnaces, it is inevitable that the external environment, improper use, improper configuration, and other reasons are more or less fault induction heating furnaces. The main reason why the power of intermediate frequency induction heating furnace does not raise: 1. The furnace body of the induction heating furnace does not match the power supply, which seriously affects the power output 2. The voltage value is adjusted too high and too low, which affects the power output 3. The distributed inductance of the output circuit of the intermediate frequency induction heating furnace and the additional inductance of the resonant circuit is too large, which affects the maximum power output; 4. The rectifier part is not adjusted, the rectifier tube is not fully on, the DC voltage does not reach the rated value, which affects the power output 5. The regulation of intercept cut-off and the cut-off value is improper, which affects the power output; 6. If the compensation capacitor is too much or too little, the best power output of electric efficiency and thermal efficiency, that is, can not get the best economic power output;
A complete medium frequency smelting system usually consists of a furnace body, power supply cabinet, cooling system, capacitor, etc. 1. Furnace body: The furnace body part consists of the furnace frame, furnace body, furnace cover, the crucible, furnace tilting device, and power supply cable. 2. Power Supply Cabinet: There are three forms of power supply for a medium frequency smelting furnace: triple frequency converter, medium frequency generator set, and thyristor converter. 3. Cooling system: The parts that need water cooling in the medium frequency smelting furnace are the same as those in the power frequency furnace. The main cooling parts include sensors, capacitors, water-cooled cables, silicon-controlled converters, etc. Among them, the thyristor element needs demineralized water cooling to ensure the normal operation of the element. 4. Capacitor rack: Power Factor Compensation Device for Medium Frequency Smelting Furnace.
The cooling parts of medium frequency induction furnace equipment mainly include furnace induction coil, capacitor bank, power thyristor frequency converter, etc. 1. The cooling water system for induction coil and capacitor bank The cooling water pressure should be kept at 0.2 ~ 0.3 MPa, the water temperature should be kept at the inlet water temperature of 20 ~ 35 ℃, and the outlet water temperature should be lower than 55 ℃. If the cooling water temperature is too low, condensation will occur, and if the water temperature exceeds 55 ℃, the cooling capacity will be lost. In order to save water, a circulating cooling system is usually used. 2. The cooling system of the SCR frequency converter The cooling water of silicon controlled transistor shall meet the following conditions: the cooling water pressure shall be stably kept at 0.15 MPa, the water quality shall be softened, the hardness shall be less than P8, the resistance shall be above 20k, and the insoluble matter in the water shall be less than 0.03 mg/L. In order to ensure the safe use of medium frequency induction furnace equipment, the cooling water system should implement a centralized water supply and backwater, and the waterway...
Roll the primary performance index of the rolling mill equipment have core strength outstanding wear resistance and operating layer Select roll in addition to the consideration of economy and roll changing match the outage time slot cycle, more important from each unit vehicles pass out different workpiece deformation characteristic product accuracy requirements, choose reasonable inductive performance good roll for different vehicles Rolling mill roughing mill frame priority is reduced section under high temperature, roll in the bearing rolling force is big Large amount of groove deep down, and roll neck should have higher strength Second, due to the roll in the bearing rolling speed is slow, relatively speaking, roll and high-temperature billet touch time is long, so want to have good thermal cracking resistance to fall off The frame selection of alloy steel, semi-steel alloy ductile iron or ferrite ductile iron can meet the requirements In general, the rolling mill in the rolling mill selects the circular pass elliptic system, which mainly bears the task of extending the rolled piece and supplying accurate material type for the finishing mill group. For the whole rolling mill, it has the effect of connecting the upper and lower. The rolling groove of the...
Nowadays, in the age of technology, electronization, and network development, all around us are filled with various electronic devices (such as TV, computer, mobile phone, air conditioner, refrigerators, etc.). Electronic devices produce a certain amount of radiation, but the amount of radiation determines whether it will do harm to the body. Radiation is divided into electromagnetic radiation and nuclear radiation. The radiation in our daily life is mainly electromagnetic radiation. The size of the electromagnetic radiation and electromagnetic equipment with the frequency and power. General frequency in 20-35K, called low frequency; If the frequency is more than 30M, it is called high frequency. Generally, the radiation frequency that can cause harm to the human body should be at the GHz level. So our intermediate frequency heating furnace, intermediate frequency furnace, high-frequency furnace, high-frequency furnace are far below the radiation frequency that can cause harm to the body. So please rest assured this, our daily use of intermediate frequency heating furnace, intermediate frequency electric furnace, high-frequency electric furnace, and other equipment generated radiation is no harm to our body, we can rest assured use.
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