China 3t Electric Arc Furnace for Power Plant

1. Technical parameter

SNDescriptionUnitData1Rated capacityt3t3Tap to tap timet150mins. (average)2Diameter of shellmmΦ27003Diameter of electrodes pitch circlemmΦ7504Electrode diametermmΦ2505Electrode traveling strokemm14006Electrode traveling speedm/minUp:4 / down:38Max. steel tapping angle 42°9Max. slag tapping angle 12°10Max. roof rotary angle 80°11Roof lifting heightmm20012Rated transformer capacitykVA250013Primary voltage of transformerkV6-1014FrequencyHz5015Hydraulic system working pressureMPa816Hydraulic medium mineral oil

2. Cooling water requirement:
Water pressure 0.3MPa
Inlet water temperature ≤35ºC
Outlet water temperature ≤55ºC
Circulation flow rate60T per hour
Water quality(GB/T10067.1-1988) Industry clean water
3. Supply list

SNItemQtyRemark1Mechanical parts 1.1Furnace body1Spourt tapping1.2Tilting mechanism1 1.3Furnace roof ring1 1.4Roof lifting and rotating mechanism1Hydraulic cylinder driving1.5Electrode traveling mechanism1VVVF driving1.7Cooling water distributor1With thermometers1.8Hydraulic station1Working pressure:6MPa2Electrical parts1 2.1Furnace transformer12500kVA/10kV2.2High voltage switchboard1GGA panel, 10kV2.3Short network1With water cooled cables2.4 Lower voltage panels1 2.5PLC automation and HMI system1Siemens PLC S7-300

4.Supplied by the Buyer:
1) Furnace refractory lining, Hydraulic medium, lubrication medium and cleaning medium, Graphite
electrodes;
2) Civil works and design (Seller provides furnace foundation condition drawings and civil work
requirements), embedded furnace foundation parts;
3) Water supply and gas supply main inlet are laid to Seller's equipment connection point, H.V.
incoming line is connected to incoming terminals of H.V. Switchboard and EAF transformer, L.V. line is
connected to L.V. distribution panel.
5. Quotation conditions
5.1 All present and/or future taxes and duties related to the execution of this Contract, income tax levied on the
Contractor's personnel, tax on foreign contractor's business operated in Vietnam in accordance with existing
laws, shall be borne by the Buyer;
5.2 The Seller will dispatch engineers (mechanical, electrical, PLC, hydraulic, transformer, H.V., etc) to
supervise furnace installation and commissioning. Round trip air ticket, local traffic transportation and
accommodation cost are borne by the Buyer. Site supervision fee is $150 USD for 1 engineer per day;
5.3 Seller's engineers will train Buyer's employees about furnace operation and maintenance at job site.

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1. Pre sale service
A. Make technical solution
B. Send quotation, technical data sheet and drawing
C. Prepare power transmission plan, testing plan,and shipment plan
2. In sale service
A. Supervise the manufacturing schedule totally in accordance with the plan
B. Send photos to customer during every manufacturing process(hold point)
C. Inform the customer one week before testinng.
3. After sale service
A. Installation and commissioning, training the workers
B. Quick response within 12 hours any time
C. Provide 12 months gurantee period normally.
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