How to ensure a qualitative leap in the SX2 series muffle furnace
- Clicks: 1079 Release time: 2014/9/10
*, SX2 series muffle furnace development trend
With the development of computer technology and automation technology, computer control systems are widely used in industrial automation, which greatly improves the technical level of factory equipment, promotes production, improves product quality, ensures the safety and reliability of production, and industrial electric furnaces become A major pillar of industrial automation. Today, in terms of use, in the foundry, there are cupolas for melting metals, induction furnaces, tube furnaces, electric arc furnaces, vacuum furnaces, open furnaces, furnaces, etc.; sand-type drying furnaces with baking sand type, ferroalloy ovens, and castings Annealing furnace, etc.; in the welding workshop, there are pre-weld preheating furnace and post-weld tempering furnace for welding parts; in the forging workshop, there are various heating furnaces for pre-forging heating of steel ingots or steel ingots; in the metal heat treatment workshop, there is improvement Various annealing, normalizing, quenching and tempering heat treatment furnaces for the mechanical properties of the workpiece.
Second, SX2 series muffle furnace product features
The box-type resistance furnace is a cycle-operated electric furnace, which can be used for chemical analysis, physical measurement and heating of general small steel parts during the heat treatment of industrial and mining enterprises and scientific research units. This series of resistance furnaces are equipped with a temperature controller and a nickel-chromium-nickel silicon galvanic couple, which can measure the furnace temperature.
1. The working chamber of the SX2 series digital display box type resistance furnace is made of refractory material, and the heating element is placed therein;
2. Only the insulation material is used between the furnace and the furnace shell;
3. The furnace shell is made of angle steel and high-quality steel plate.
4. Indication and automatic control.
Third, the wiring method of SX2 series muffle furnace
The wiring of each heating device is different. If the load is a heating furnace and the load may not be equal, the three-phase four-wire system has better flatness than the three-phase three-wire system, and when the phase load is open, The three-phase four-wire system can automatically monitor and alarm. Therefore, the three-wire four-wire system is better than the three-phase three-wire system, but it must be noted that the neutral line is correctly selected.
In conventional applications, if the three-phase load is fully balanced, the zero lines cancel each other to zero, so it is customary for the neutral line to use a much smaller wire diameter than the phase line. However, for the three-phase four-wire phase modulation trigger, when the phase shift angle is less than 60 degrees, the current of the neutral line is the sum of the three phase line currents, and when the phase shift angle is 60-120 degrees, the current of the neutral line is the phase line. 3 to 1 change, the neutral current is 0 only when the thyristor is fully turned on and the three-phase load is balanced. Therefore, when the ordinary resistance wire is a load, the neutral line must adopt the same wire diameter as the phase line.
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