High impedance electric arc furnace Usage: It is used to melt plain steel, high-quality carbon steel and kinds of alloy steel. It's used to scrap steel operation, scrap steel and molten iron charging operation, scrap and pellet, pre-heating scrap, hot-pressing reduced iron, sponge iron, etc. Features: The primary loop series reactor can improve the system impedance to realize the secondary higher voltage. It operates with long arc and low current. The electric arc is stable and the arc power is high. Various performance indicators approach direct current arc furnace. On-load voltage regulation is adopted during the operation of arc furnace. The structure of furnace body is frame type water cooling structure. The furnace shells up and down can be taken down. Proportional value is used to control electrode lifting, the rotary of furnace lid and the furnace body tilting. This device is installed with the whole set PLC system and computer control system, computer image monitoring system and neuron network artificial intelligent electrode control adjustment system. The device is also set with oxygen lance of furnace door, speed oxygen lance of furnace wall, burner and carbon injection system. Constitution: furnace body, tilting device, electrode lifting device, furnace lid lifting and rotary device, cooling water and its alarming display device, hydraulic station, compressed air system, feeding system, high-voltage switch system, transformer, series reactor, low-voltage power supply system, computer control system and picture monitoring system, neuron network artificial intelligent electrode control adjustment system. Main performance parameter: Smelting period/tap-to-tap cycle: 60min (ultra high power) Power consumption: ?¤ 380 KWh/t (scrap) Consumption of electrode ?¤ 2.5Kg/t (scrap) Service life of water cooling furnace wall ?¥ 3500 ( per furnace) The average oxygen consumption: 25-50 M3/t
LF type ladle refining furnace Usage : LF ladle refining furnace is used to refine molten steel of the primary smelting furnace (electric arc furnace, converter). It can create a micro positive pressure reduction system and can realize the operation of submerged arc heating, argon stirring, white slag refining, fine adjustment of alloy constituent, wire feeding, etc. Its function on molten steel is degassing, desulfuration, purifying and controlling temperature and constituent accurately. At the same time, it has the function of buffering and adjustment on primary smelting and continuous part. Form of device structure: Common form of LF ladle refining furnace includes rackle-type and independent frame. According to conductive cross arm: single arm, three-arm, rotary cross arm (double station) According to method of ladle delivery: ladle cart type, large rotary table type. Constitution: Furnace transformer, short net, electrode lifting device, furnace lid, furnace lid lifting device, heating rackle, (independent frame), electrode rotary device, ladle, ladle cart(ladle turret),argon automatic control system, water cooling system ,compressed air system, hydraulic system, sampling device of temperature measurement, charging system, high voltage supply system, low voltage electrical control system, automatic system, wire feeder, etc.
SH steelmaking arc furnace Usage : Steelmaking electric arc furnace inputs electric energy into furnace by graphite electrode. Electric arc producing between electrode tips and furnace burden is used as heat source to smelt steel. The heat source of electric arc furnace is electric energy. Atmosphere inside the furnace can be adjusted, which is helpful to melt steels containing easier oxidation of elements. SH series three-phase steelmaking arc furnace is used to smelt high-quality carbon steel and all kinds of ferro-alloy steel. The designed volume is from 0.5-150t. And the rate power of transformer can reach 120 MVA. Constitution: Electric arc furnace transformer, short net, electrode lifting device, current conducting arm, furnace lid, furnace lid lifting and rotary device, furnace body, furnace titling device, ladle cart, water cooling system, compressed air system, hydraulic system, charging system, high voltage electric system, low voltage electric control system, basic automation and computer control system.
LF type ladle refining furnace Usage : LF ladle refining furnace is used to refine molten steel of the primary smelting furnace (electric arc furnace, converter). It can create a micro positive pressure reduction system and can realize the operation of submerged arc heating, argon stirring, white slag refining, fine adjustment of alloy constituent, wire feeding, etc. Its function on molten steel is degassing, desulfuration, purifying and controlling temperature and constituent accurately. At the same time, it has the function of buffering and adjustment on primary smelting and continuous part. Form of device structure: Common form of LF ladle refining furnace includes rackle-type and independent frame. According to conductive cross arm: single arm, three-arm, rotary cross arm (double station) According to method of ladle delivery: ladle cart type, large rotary table type. Constitution: Furnace transformer, short net, electrode lifting device, furnace lid, furnace lid lifting device, heating rackle, (independent frame), electrode rotary device, ladle, ladle cart(ladle turret),argon automatic control system, water cooling system ,compressed air system, hydraulic system, sampling device of temperature measurement, charging system, high voltage supply system, low voltage electrical control system, automatic system, wire feeder, etc.
SH steelmaking arc furnace Usage : Steelmaking electric arc furnace inputs electric energy into furnace by graphite electrode. Electric arc producing between electrode tips and furnace burden is used as heat source to smelt steel. The heat source of electric arc furnace is electric energy. Atmosphere inside the furnace can be adjusted, which is helpful to melt steels containing easier oxidation of elements. SH series three-phase steelmaking arc furnace is used to smelt high-quality carbon steel and all kinds of ferro-alloy steel. The designed volume is from 0.5-150t. And the rate power of transformer can reach 120 MVA. Constitution: Electric arc furnace transformer, short net, electrode lifting device, current conducting arm, furnace lid, furnace lid lifting and rotary device, furnace body, furnace titling device, ladle cart, water cooling system, compressed air system, hydraulic system, charging system, high voltage electric system, low voltage electric control system, basic automation and computer control system.
Our company, shanghai cadre (jia de) environment energy science & technology co. Ltd. Is in the business of design, manufacturing & supply of industrial furnaces. The company specializes in research & development of energy-saving and carbon emission reduction technology. For the time being cadre has executed more than 300 installations of reheating furnace both in china and abroad. Almost all were epc turnkey project and with big capacity. The maximum capacity is 420tph. We are doing the total designing and engineering, equipment manufacturing, site construction and management and supervision. The company today holds over more than half market share in the re-heating furnaces areas in china. Continuous research & development work at company’s research centre has made the company possible to win many national patents and kept leading position in the field of regenerative combustion technology at home and abroad. Our company is now aggressively marketing to establish its business in abroad. Cadre commissioned its first re-heating furnace in india at lloyds, wardha in december 2010. The furnace capacity is 250tph (cold charge) and 350tph (hot charge) and has duel fuel combustion system with coke oven gas and heavy oil with modern features such as walking beam and evaporative cooling system (ecs).
Our company, Shanghai Cadre (Jia De) Environment Energy Science & Technology Co. Ltd. is in the business of design, manufacturing & supply of industrial furnaces. The company specializes in research & development of energy-saving and carbon emission reduction technology. For the time being CADRE has executed more than 300 installations of reheating furnace both in China and abroad. Almost all were EPC turnkey project and with big capacity. The maximum capacity is 420TPH. We are doing the total designing and engineering, equipment manufacturing, site construction and management and supervision. The Company today holds over more than half market share in the re-heating furnaces areas in China. Continuous research & development work at company’s research centre has made the Company possible to win many national patents and kept leading position in the field of regenerative combustion technology at home and abroad. Our company is now aggressively marketing to establish its business in abroad. CADRE commissioned its first re-heating furnace in India at Lloyds, Wardha in December 2010. The furnace capacity is 250TPH (cold charge) and 350TPH (hot charge) and has duel fuel combustion system with coke oven gas and heavy oil with modern features such as walking beam and evaporative cooling system (ECS).
Features 1. Operation temperature: 1300°c (1400? for short time). 2. Maximum energy efficiency is achieved by surrounding the chamber with thermal-efficient alumina Fiber ceramic insulation. 3. Heavy duty double layer structure with cooling fan. Lower temperature in outside case. 4. Pid automatic control via current limiting phase angle fired the resistor, e.G. Scr(silicon controlled rectifier). 5. Power control with 30 segments programmable. Descriptions Chamber size 200x200x200mm (8"x8"x8") Working temperature 1300? (continuous) Maximum temperature 1400? (for short time) Temperature control 30 steps programmable and pid automatic control Heating rate 0~15?/min (suggestion: =10?) Temperature accuracy +/-1? Heating element Silicon carbide heating element(sic) Working voltage Ac 220v, single phase, 60/50 hz (or according to your requirement) Max. Power Approx 4 kw Outside size 580x580x920mm Net weight 130kg The furnace chamber size can be customized.
Features: 1.Double layer steel casting with air cooling fans to keep case temperature lower; 2.High purity fiber alumina board chamber for the best energy saving; 3.The temperature is controlled by precision scr(silicon controlled rectifier) with accuracy +/-1 c and 30 segments programmable control; 4.The fast rate of temperature increasing and decreasing. 5.The furnace chamber is ceramic fiber brick with excellent thermal insulation, vacuum reservoir with water cooling system 6.The furnace is equipped with the function of power off automatically when door furnace opening, function of over temperature alarm, etc. Descriptions: Chamber dimension 150x150x150mm Max. Temperature 1600c Working temp.
Features: 1. Operation temperature: 1500? (1600? for short time). 2. Maximum energy efficiency is achieved by surrounding the chamber with thermal-efficient alumina fiber ceramic insulation. 3. Heavy duty double layer structure with cooling fan. Lower teperature in outside case. 4. Pid automatic control via current limiting phase angle fired the resistor, e.G. Scr(silicon controlled rectifier). 5. Power control with 30 segments programmable. Descriptions: Chamber sizeF60x300mm (2.5"x12") Working temperature1500? (continuous) Maximum temperature1600? Temperature control30 steps programmable and pid automatic control Heating rate0~15?/min (suggestion: =10?) Temperature accuracy+/-1? Heating elementMolybdenum disilicide (mosi2) Working voltageAc 220v, single phase, 60/50 hz (or according to your requirement) Max. Power4 kw Net weight70 kgnote: there are different chamber(tube) sizes for your choice.
Features: 1.Max. Energy efficiency is achieved by surrounding the chamber with thermal-efficient alumina Fiber ceramic insulation. 2.Heavy duty double layer structure with cooling fan. Lower temperature in outside case. 3.Pid automatic control via current limiting phase angle fired the resistor, e.G scr(silicon controlled rectifier) 4. Power control with 30 or 50 segments programmable. Descriptions ProductTouch screen atmosphere muffle furnace Chamber size300x300x500mm (wxhxd) Max. Temperature1200°c Working temp.=1100°c (continuous) Heating rate0-15°c/min (suggestion: 0-10°c/min) Temp. Control30 or 50 steps programmable and pid automatic control ThermocoupleK type Temp. Accuracy+/-1°c Heating elementFe-cr-al-mo resistance wire Furnace structureDouble layer steel casing with dual cooling fan Working voltageAc 208-380v, single phase, 50/60 hz. (or according to your requirement.) Payment termT/t in advance Delivery timeIn 15 days after receiving the payment. ShipmentBy air, sea, etc. Packing detailsPacking - plastic paper inside, polyfoam filledwooden case outside
Features 1.Bottom entry sintering furnaces have heating elements evenly distributed around the heating chamber. This provides a much more even heat distribution throughout the muffle and a more consistent firing temp of all units. 2.We use 6 pieces nodiscoloration mosi2 heating elements surrounding the chamber with long lifttime. 3.Multiple programs and multiple firing stages for your choose. And there is a paperless recorder, you can check the sintered temperature at real time 4.Touch screen operation pannel, real-time temperature display, the dynamic temperature curve. 5.The sagger/crucible is zigzag, it can be stacked.The tray is hollow out, Bottom of crucible still can be heated.The heating is much more uniform. Technical parameters ModelKj-m1700-dl Chamber size110x110mm Working temperature1600? Thermal controlTouch screen interface Temperature accuracy+/-1 ? Heating elementHigh purity mosi2 Chamber Alumina ceramic fiber Max. Power1.8kw Working powerAc110/220/440v 50/60hz Dimensions530x530x820mm Gross weight75kg Working temperature, dimensions, chamber size can be made according special requirement
About Induction Melting Furnace Induction Melting Furnace is major steel producing technology using scrap & sponge iron (directly reduced iron) as main raw material. This technology contributes significant steelmaking capacity in secondary steel sector in India and abroad. It has Air Pollution Steel scrap comes from various sources and generally has contaminants/coating etc on it. When this scrap is heated contamination/coating etc. disintegrates from steel and comes out either as slag or becomes air borne, thus causing air pollution. The major source of Air Pollution is : 1. Dust & Dirt 2. Rust 3. Oil & Grease 4. Paint & Galvanized Iron 5. PVC Coated Steel Selection of Technology for Air Pollution Control Device The following technologies are usually adopted for Air Pollution Control System in Induction Furnace industry: a. Bag Filter Type System (Dry) b. Venturi Scrubber Type System (Wet) About Bag Filter Type System (Dry Process) Working of Equipment Bag Filter Type System 1. Suction Hood 2. Spark Arrestor: 3. Bag Filtration System : 4. ID Fan: 5. Stack (Chimney): Advantages: 1. Low Power Consumption 2. Dry System, No water pollution 3. No corrosion of metal except normal wear & tear 4. Suitable for dust pollution which are the major cause of pollution in induction furnace 5. Achieves desired characteristic of treated gases even for high dust load, as Efficiency of bag filters is very high 6. Low operation & maintenance cost Control Practices About Venturi Scrubber Type System (Wet Process) Working of Equipment Venturi Scrubber Type System 1. Suction Hood: 2. Ducts & Bends: 3. Venturi Scrubber: 4. ID Fan : 5. Stack (Chimney) : Advantages : 1 Low Floor Area 2 Can handle high temperature gases 3 Suitable for gas pollution such as SO , NO , etc. 2 x Disadvantages : 1 Higher Power Consumption to achieve desired standards 2 Generates Water Pollution 3 Material of Construction is prone to corrosion hence low life cycle 4 Choking of pipe, Nozzle and duct (near scrubber) due to Wet condition 5 Higher operation & maintenance cost 6 Can remove submicron particle only with very high pressure drop leading to still higher power consumption 7 Material of Construction is prone to corrosion hence low life cycle 8 Choking of pipe, Nozzle and duct (near scrubber) due to Wet condition 9 Higher operation & maintenance cost 10 Can remove submicron particle only with very high pressure drop leading to still higher power consumption.
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