Titanium Slag Furnace Introduction
Titanium slag production adopts titanium slag electric furnace (circular furnace and rectangular furnace according to its shape) smelting process, which can be divided into three types according to the different ways of electric furnace sealing: closed electric furnace smelting, semi-closed electric furnace smelting and open electric furnace smelting.
Titanium Slag Furnace Introduction
Titanium slag production adopts electric furnace (circular furnace and rectangular furnace according to its shape) smelting process, which can be divided into three types according to the different ways of electric furnace sealing: closed electric furnace smelting, semi-closed electric furnace smelting and open electric furnace smelting.
The main mechanical device design of Sanui titanium slag furnace combines China's national conditions and draws on international advanced technologies such as Demark and Pyremate, adopts hydraulic pressure ring and hanging cylinder hydraulic lifting mechanism.
The electrode adjustment device of titanium slag furnace developed independently is an automatic control voltage discharge device integrating machinery, electrical appliances, pneumatics and hydraulics, water-cooled cables, space lattice copper tube short net copper reverse parallel connection, forged copper tiles, etc.
The main equipment of industrial titanium slag furnace adopts a closed fixed furnace type.
Process characteristics: Titanium slag smelting is selected from baked electrodes. Because there is no need to increase the plant investment due to the cost of the electrode, the cycle of titanium slag electric furnace smelting is long (each furnace smelting time ≥ 8 hours), the continuity of the electrode is required to be high, and the comprehensive cost of electrode paste and electrode shell of self-baking electrode is low.
Main Application of Titanium Slag Furnace
The principle of producing titanium slag in an electric furnace titanium slag furnace is to mix ilmenite with solid reducing agent (anthracite or coke, etc.) in a certain proportion and add it to an electric furnace for reduction smelting.
The iron oxide in the ore is selectively reduced to metallic iron, while titanium oxide is enriched in the slag.
After separation of slag and iron, titanium slag and by-product metallic iron are obtained.
Characteristics of Titanium Slag Furnace Equipment
1. Fully enclosed industrial titanium slag furnace: The titanium slag smelting electric furnace adopts a fully enclosed furnace type, equipped with a high-temperature gas purification system, the furnace body structure adopts a circular or rectangular shape, and the power supply system adopts an AC power supply.
2. Self-baking electrode, the electrode lifting adopts hydraulic manual and computer-controlled automatic lifting, the electrode is clamped by a cone ring, the conductive plate hydraulic cylinder is loosened, and two sets of friction rings and lifting cylinders are used to achieve automatic fixed-length pressing and release, and the electrode distribution circle diameter can be adjusted.
3. The industrial titanium slag furnace short network ( bus bar system) adopts a water-cooled compensator, a water-cooled copper tube, a water-cooled cable and a water-cooled conductive plate, and adopts a new energy-saving short net structure with an outer triangle layout.
4. Automatic feeding control system. The feeding system is a high-level silo chute feeding or manual feeding in front of the furnace.
5. Circulating water cooling, and the equipment is required to have a high-level backup water system to prevent damage to parts caused by sudden power outages, and an over-temperature automatic alarm system is used.
6. High-temperature video monitoring technology for the furnace.
7. The titanium slag electric furnace transformer adopts low-loss energy-saving transformer, no-load electric voltage regulation, strong oil circulation water cooling and equipped with complete oil temperature and gas protection devices.
8. Automatic electrode extension system, advanced electrode control system. Electrode pressure release control adopts PLC control, and electrode lifting and lowering adopts manual control to achieve three-phase power balance.
9. The smoke box adopts a fully enclosed split water-cooling structure, including an outer edge low-carbon steel water-cooling section and 3 sets of central stainless steel water-cooling sections. A stainless steel sealing sleeve is installed at the electrode entrance on the upper edge of the smoke box.
Titanium Slag Furnace Equipment Composition
The mechanical equipment of titanium slag smelting electric furnace consists of the following parts: batching and feeding system furnace body part (including furnace lining, slag and iron tapping chute, slag and iron outlet opening and plugging machine), smoke hood, flue and secondary combustion chamber, electrode sealing guide device, electrode system, secondary busbar system, cooling water system, hydraulic system, electric furnace supporting equipment, etc.
Sanrui Titanium Slag Furnace Technical Advantages
Closed furnace type, micro-positive pressure operation, automatic furnace pressure adjustment.
Optimize short-circuit technology to ensure three-phase balance and minimum impedance value.
Fully automatic feeding, multi-point feeding in the furnace, continuous feeding, continuous smelting, automatic matching and automatic adjustment of feeding speed and electrode input power.
Automatic electrode lifting and lowering adjustment technology to achieve automatic smelting, power adjustment, high electrical efficiency and low power consumption.
Automatic detection and alarm system for furnace wall and furnace bottom temperature to ensure safe production.
Furnace high temperature video monitoring technology.
Simple and clear operation, easy maintenance.
Low investment, quick results, low energy consumption.
Simple and intuitive operation, very friendly human-computer dialogue effect.
Strong processability and advanced software programming.
Main Technical Parameters of 12600KVA Titanium Slag Furnace
1. Number of electric furnaces: 1
Type: fixed (with secondary combustion chamber)
Rated power of titanium slag electric furnace: 12600kVA
Annual output of a single electric furnace: 30,000 tons of acid-soluble titanium slag
2. Technical parameters of a single 12600kVA titanium slag electric furnace
(1) Transformer
Rated capacity: 4200kVA/35kV-single-phase quantity: 3 units/seat
Transformer primary voltage: 35kV
Transformer cooling method: spiral plate oil
(2) Electrode system
Type: electrode holder
Number of working electrodes: 3 electrodes/seat
Electrode pole center circle diameter: φ2200mm (adjustable)
Electrode diameter: φ780mm carbon electrode
Electrode lifting stroke: 2000mm
Electrode pressing stroke: 50mm/time
Pressing and releasing time: ≤30 seconds
3) Furnace body
Furnace shell diameter: φ10600
Furnace chamber diameter: φ8000
Furnace shell height: 5800mm
Furnace chamber depth: 2700mm
Iron outlet: 1
Slag outlet: 1
Scope of Titanium Slag Furnace Supply
Sanrui Electric Furnace is one of the titanium slag smelting furnace manufacturers suppliers. Sanrui can provide customized industrial titaniumm slag furnace according to drawings provided by clients.
Raw material supply system: hopper, feeding pipe
Furnace body: furnace body, furnace shell, furnace bottom support beam, furnace top ring, furnace lining
Enclosed furnace cover: Enclosed furnace cover, furnace cover side panels and furnace door, electrode sealing device, chimney, outlet smoke hood and exhaust pipe
Short network: compensator, conductive copper bar, short network hanging system, collector ring and bracket, cable, conductive plate
Electrode device: electrode holding column, electrode shell, electrode clamping device, electrode pressing device, electrode lifting device, electrode guide and distribution circle adjustment, steel platform
Burning device: burning device short network, burning device guide rails and guide rods, burner body, graphite electrode, insulating material
Cooling water system: water inlet distributor, return water collection tank, cooling water pipe, return water pipe, pressure gauge, thermometer, valve
Hydraulic system: electrode clamping cylinder, friction ring clamping and releasing cylinder, electrode pressing and releasing cylinder, hydraulic pump station, motor, control valve, accumulator, external oil pipe
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Low-voltage electrical system: low-voltage electrical control, low-voltage power supply cabinet, low-voltage protection cabinet, electrode lifting control console
Discharging system: discharging pot, discharging car
Loading winch
Titanium Slag Furnace Smelting Process
01
The titanium slag electric furnace is the main equipment in the production of titanium slag. Its function is to serve as a container for the reduction reaction of titanium concentrate and the separation of slag and iron. Its furnace lining can be divided into three parts: the upper part of the molten pool, the molten pool section and the furnace bottom. The upper part of the molten pool is built with high-alumina bricks, and the molten pool section and the furnace bottom are built with magnesia bricks.
02
The existing titanium slag electric furnace smelting process is divided into intermittent smelting, continuous smelting and continuous method of electrode air feeding according to the characteristics of the molten pool, and the feeding method is divided into open electric furnace, closed electric furnace and semi-closed electric furnace.
03
Different smelting processes are selected according to different requirements. The pressure control requirements in the electric furnace are relatively high, and the explosion-proof holes on the furnace cover play a role in maintaining a certain pressure. Temperature measuring thermocouples are installed in different places in the furnace layer of the electric furnace to measure the temperature of the refractory materials at various positions to determine the degree of erosion of the refractory materials.
04
After the electric furnace has the conditions for opening the furnace for smelting, the order of opening the furnace is electric furnace baking, lining preheating, furnace wall slag hanging, slag discharge, and iron discharge. After the iron is discharged, the iron outlet should be blocked.
05
Then the slag is discharged, and the slag water flows into the slag basin, and the slag in the slag basin is transported to the slag cooling area for cooling.
06
After the slag is discharged, the slag outlet should be blocked.
Sanrui Titanium Slag Furnace Technology Optimization
The titanium slag smelting electric furnace adopts a fully enclosed furnace type and is equipped with a high-temperature gas purification system
High-temperature camera monitoring technology in the furnace
The smoke collector adopts a fully enclosed split water-cooled structure
We provide a series of furnace cover designs to adapt to different titanium slag furnace applications. The closed furnace cover solution makes smelting and maintenance safer. The furnace cover is usually made of water-cooled steel plates, but a combined solution that combines water-cooled steel plates and refractory materials can also be used.
Advanced electrode control system.
Services Provided by Sanrui
1. Sanrui can provide Titanium Slag Furnace basic layout and layout drawings
2. Sanrui will send engineers to your factory to install and debug the machine, and provide reliable after-sales service.
3. Sanrui provides training for operators and maintenance personnel, and the smelting equipment is easy to operate and maintain
4. Competitive titanium slag furnace price and excellent quality
5. Low investment, high production efficiency, high rate of return
6. Stable performance of smelting equipment, safe production
7. Products can be customized according to different needs
8. Production capacity can be adjusted according to customer requirements
9. Environmentally friendly, low energy consumption
Sanrui provides engineering consulting, R&D, design, equipment supply, system integration and software development, construction, installation, commissioning, project management, technical services and training, production guidance, operation and maintenance, spare parts supply and other comprehensive engineering and technical services.
Send us your detailed project requirements, and our engineering team will design a Titanium Slag Smelting Furnace production line solution based on your needs.
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