Automatic Slag Removal System for Iron Smelting Electric Furnace¹

Product Description Ferrosilicon electric furnaces are divided into reduction electric furnaces and refining electric furnaces. Reduction electric furnace, also known as submerged arc furnace or submerged arc furnace, adopts the submerged arc operation of inserting electrode into furnace charge. The reduction electric furnace has open, closed (or semi closed), and the furnace body has various forms such as fixation and rotation. Electric refining furnace is used to refine medium carbon, low carbon and micro carbon ferroalloys. The capacity of electric furnace is generally 1500 ~ 6000 KVA, which adopts the form of open fixing or tilting with cover. The former is similar to the reduction furnace and can be equipped with continuous self baking electrode; The latter is similar to electric arc steelmaking furnace, using graphite or carbon electrode.1, Use of ferrosiliconFerrosilicon is an essential deoxidizer in steelmaking industry, and it is also added as alloying agent. In the steelmaking industry, about 3-5kg 75% ferrosilicon is consumed for every 1t of steel produced.3600kVA HCFeCr Submerged Arc FurnaceSNEquipmentSPEC or ModelUnitQtyRemark1Submerged Arc Furnace set1 1.1Mechanical Parts    1)Furnace shell and H beamSteel structure partset1Steel structure Fume hoodSteel structure part, water cooled cover panelset1Steel structure2)ChimneySteel structure partsets2Steel structure Tapping hole fume hoodSteel structure partset1Steel structure Electrode holder sets3  Bellows pressure ring sets3  Water cooled protect shell sets3 3)Electrode holding tube sets3  Electrode tube sets3  Pneumatic electrode clamp sets3  Fittings, etc set1 4)Hydraulic power pack set1 5)Pneumatic valve stand set1 6)Seal device sets3 7)Cooling water distributor set1  Copper tube set1  Water cooled cable nos.36 8)Water cooled compensator nos.36 Forged copper contact fence nos.18  Fittings, etc set1  Insulating material set1 9)Raw material distribution deviceSteel structure partset1Steel structure10)Raw material feeding hoppers & chutesSteel structure partset1Steel structureElectric arc furnace manufacturersElectric arc furnace is the main molten iron production furnace in steel industry nowadays. It melts waste by electric arc.Lite recommends:The bottom of the electric arc furnace is made of aluminum-magnesium spinel brick and magnesia-chrome brick; the interior is made of magnesia-chrome brick, the exterior is made of aluminum-magnesium spinel brick; the upper part is also made of ordinary magnesia-chrome brick.The tapping hole is made of aluminous silicon carbide ramming max and high quality magnesia charcoal brick.The cover is made of high aluminum precast casting.The bottom of the furnace is repaired by magnesium-calcium ramming, pouring and filling.Repair and maintenance with magnesium, magnesium chromium ramming materials.Lite offers a wide range of high quality refractory products for the furnace to meet your personalized needs.How will we built itDesign plan and construction drawingsDesign scheme: our company has a design company with first-class qualification, and the designer has 30 years of experience in kiln design. After the drawing is completed, three experts (civil engineer, construction engineer and operating engineer) will carry out the final review of the drawing to ensure that there will be no mistakes in the construction of the kiln.Construction drawing: The dimensions of each place are marked on the construction drawing, and the name, size and quantity of the refractory used are marked. Any experienced construction worker can understand the drawings and follow the construction without any mistakes.Evaluation and preparation of refractory materialsLite offers a wide range of products for these types of furnaces, such as low cement castables, plastics refractories, gunning mix and insulation castables.  Construction procedureLite recommends:For each of the designs, the service life of the refractory is predictable. But the same design can change dramatically due to different operations. Therefore, some furnaces require continuous maintenance. Our maintenance products include gunning mix, ramming mass, low cement castables and etc.Acceptance and trial1.. Whether the expansion joint is filled with insulation material, and whether the closed hole should be closed tightly;2.. Whether the sand sealing groove is added to the sand according to the regulations;3. Whether the mechanical kiln door and the damper lift are flexible, and whether the closing is tight and airtight.Completed ProjectDaily production of 600 tons of activated lime rotary kilnThis series of kilns is an ideal sintering equipment of active lime in China, with high output, high activity, suitable for steelmaking. It is capable of burning oil, burning gas and burning coal. The daily output is 80 tons -600 tons, and the technology is mature and reliable. Maximum service temperature 1050-1100 degrees Celsius                120 cubic meters electric porcelain shuttle kiln                                                      200 cubic meters hot blast stove                      Annual production of 20 thousand tons of                                                    200 cubic meters hot blast stove                           high alumina brick production line Lower controller of industrial silicon furnace1.2Electrical Parts   1)L.V. control systemGGDset12)PLC panelSiemens S7-200 smartset13)H.V. panelKYN28-20kV, armoured typeset11.33 phase furnace transformer3200kVA/20kVset11aOpener-mutgunPurchased equipmentsets22Fume extraction systemFume dust concentration: 50mg/m31Sets Fume pipe and supporter set1 Dilution valve set1 Pipe valve sets2 Tapping hole fume pipe valve sets2 BlowerFume flow: 80,000Nm3/hset1 Dust collectorFiltering area: 1650m2set1 Motor250kW, AC400Vset1 Instrument set13Water treatment plant    Main water supply pumpQ=220m3/h,H=55m,N=55kW,n=1480r/min,U=380Vnos.2 Water tower pumpQ=200m3/h,H=25m,N=22.5kW,n=1480r/min,U=380Vnos.1 FRP cooling towerQ=200m3/h,T1=50oC,T2=35oC,N=5.5kWnos.1 Compressed air holderV=2.0m3no.1 Water treatment control panel nos.34Tapping equipment    Ladle1.5m3sets4 Slag pot3m3sets4 Ladle car sets2 Vertical winch & guide wheel5tsets2 mold sets8 Hanger set25Crane and carrier    Electrical car30tset1 Truck scale100t 3m×16mset16Shop power distribution system    H.V. switchboard20KV/400Apcs.4 Shop power transformerS11-800 800kVA 20kV/0.23~0.4kVset1 L.V. power distribution panel pcs.6 Power boxXLL2 or XL-21pcs.47FC compensation system    Capacitor bank2400kVarset1 Reactors set1 Disconnector set1 Control panel set18Laboratory instrument    Crusher set1 Box furnace set1 Tube furnace set1 Electronic balance set1 Drying chamber set1 Platinum crucible sets3 Chemical laboratory equipment set19Air compressor    Screw air compressor6m3/min, P=0.8MPaset1 Freezing dryer set1 Air filter set1 Air holder10m3set110Packing & China land transportation lot1Company ProfileCompany IntroductionHaode intelligent electrical co.ltd a forerunner in the kiln industry, is also a specialized kiln company with large-scale and the powerful technical force in China, which integrates scientific research, design, manufacture construction, installation, commissionin of thermal and technical advice. Lite now has 500 employees, among which there are 80 senior economists, senior engineers, engineers, accountants, assistant engineers and other management and technical personnel,and 72 professional technicians. It has 18 sub-sections as the Kiln Design Institute, Kiln Engineering Deparment, Construction Company, Electronic Control Company, Kiln Equipment Machinery and Project Dept etc. In the past 20 years, the company conducts the wide cooperatio and exchange with 58 domestic famous scientific research institutes and universities, and with their help it has constructed more than 2,000 different types of industrial kilns for 30 provinces, cities and autonomous regions in China. Among them there are more than 60 kilns, it absorded the advanced technology and experience of the foreign successful kilns to improve the labor intensity and the working environment to achieve the purpose of saving energy and reducing consumption. It has achieved a prominent social and economic efficiency, receiving good comment and appraisal from customers both at home and abroad.FAQQ1.Can we visit your company?A:Sure,welcome at any time,seeing is believing.Q2. Do you provide samples?A:Yes, samples are available.Q3. Do you accept OEM?A:Yes, we can do OEM.Q4.What's the MOQ of trial order?A:No limit,We can offer the best suggestions and solutions according to your condition.Q5.What are the payment terms?A:Usually T/T,but L/C,Western Union etc are available for us.Q6. How long is delivery time?A:The delivery time will be determined according to the quantity of the order.Q7.How are your products' quality?A:The products will be strictly inspected before shipment, so the quality could be guaranteed.Q8.How to slove the quality problems?A:If the products are not confirmed to customer samples or have quality problems,our compay will be responsible to make compensation for it.Q9.What is the service life of your bricks?A:The service life of different bricks is unlike.It also depends on your using condition and method.Q10.How about your company's certification?A:ISO9001 and Test Report,also we could apply other necessary certification.

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