Main technical specifications of HX series three-phase electric arc furnace

HX Series Three-Phase Arc Furnace Technology Specification

1. Overview

The HX series three-phase arc furnace is an arc furnace with a three-phase power supply. It is mainly used in the smelting of non-ferrous metals, alloys and other materials. This type of furnace is characterized by high efficiency and low power consumption, and is an ideal equipment for smelting operations.

2. Technical Specifications

The HX series arc furnace is available in four sizes and capacities of 6, 8, 10 and 12 mega watts. It is equipped with advanced electrical control systems and PLC based power supplies. The power supply is equipped with EMC noise protection and anti-interference protection.

The furnace can be fitted with an emergency stop switch, enabling the complete power system to be shut off in emergency situations. The furnace is also fitted with safety door locks, ensuring that the furnace remains secured during the smelting process.

3. Operating Conditions

The HX series three-phase arc furnace is designed for use in hot and humid environments. The rated power of the furnace must be operated within the specified temperature rating of the environment. The maximum temperature of the furnace should not exceed 80°C. Also, the temperature variations at the point of operation should not exceed 5°C. Altitude should not exceed 2000m above sea level.

4. Operating Parameters

The power parameters of the HX series three-phase arc furnace are as follows:

• Frequency: 50Hz

• Rated voltage: 380 V

• Rated current: 150 A

• Rated power: 6-12 MW

• Rated input power: 10-20 MW

• Efficiency: 95-98 %

• Maximum output short circuit current: 100A

• Power factor: 0.86

• Power control range: 0-100 %

• Regulation speed: ≤ 8s

5. Smelting Parameters

The smelting capacity of the HX series three-phase arc furnace depends on the materials being smelted. The types of materials that can be smelted depend on the type and size of the electrode used. The maximum temperature of the furnace is 1600°C.

The furnace is equipped with a temperature control system which allows the operator to control the temperature in the furnace. The oven is also equipped with a timer for automatic shutdown, ensuring that the smelting process is completed as quickly as possible.

6. Safety Parameters

The HX series three-phase arc furnace meets all safety requirements specified by international standards. The furnace is provided with safety devices such as an emergency stop button, safety door locks, and fire-resistant insulation. The furnace is also supplied with an insulation resistance tester, ensuring that all power and control circuits are properly insulated. Finally, each furnace is provided with an EMC noise protection device, ensuring that electric shock and noise are prevented.

HX series three-phase electric arc furnaces mainly refer to the commonly used melting furnaces for steel billet in steel and steel operations. This series of furnaces consists of reactor, reverberatory furnace, frequency control electric cabinet, dust collecting equipment, pressure regulating cabinet and electric control system, which are equipped with advanced technology, such as high efficiency, good control system and dust removal.

The HX series three-phase electric arc furnaces mainly have the following specifications:

1.The furnace size ranges from 6 tons to 25 tons.

2. The furnace body is designed in two layers of high-grade steel sheet, coated with high alumina wear-resistant cement, so as to ensure excellent thermal insulation.

3. The transformer equipped with the furnace has advanced five-level topology technology, with wide range of adjustable working frequency, high stability, high performance, and small eddy current loss.

4. Electrode lifting and electrode spacing are controlled by digital system, and equipped with automatic electrode lifting device, which can lift the electrode currently to a certain height and flexibly adjust the gap between the electrodes.

5. The secondary rectifier frequency is controlled by the advanced PLC system and the variable frequency governor, which has high sensitivity, good controllability and can flexibly regulate the output power according to different power supply requirements, improve the utilization rate of electric energy resources and reduce the power consumption within the furnace.

6. The furnace hood is equipped with efficient dust collector, which can filter and purify the flue gas and protect the environment.

7.Equipped with other advanced electronic control systems and components, such as sound alarm, data display and storage, etc., which can realize the comprehensive monitoring of the steelmaking process and the comprehensive display of the furnace operating data.

8.The temperature inside the furnace can be accurately monitored and adjusted by thermocouple.

These main specifications provide reliable guarantee for HX series three-phase electric arc furnaces to ensure its accuracy, efficiency and safety in use.