Sunny Science & Technology Development Co., Ltd.
Main products:Hot dip Galvanizing Line,Hot dip Galvalume Line,Continuous Annealing Line,Color Coating Line,Silicon Steel Continuous Annealing Line,Skin Pass Mill,Tension leveler,Air knife,Annealing Furnace,Walk beam
Contact Us
  • Contact Person : Mr. Fang Zhenyan
  • Company Name : Sunny Science & Technology Development Co., Ltd.
  • Tel : 0086-27-59715059
  • Fax : 0086-27-59715060
  • Address : Hubei,Wuhan,8-15, street SBI, optic valley, East-lake High-tech Development District, Wuhan
  • Country/Region : China
  • Zip : 430074

Continuous Annealing Line

Continuous Annealing Line
Product Detailed
NO.1 supplier and occupied most CGL market in China&overseas, devoted to share products with overseas customers!

Line main feature:Raw material:strip width: 600-1500min, thickness: 0.2-1.2 (1.5) mm Cold rolled low carbon iron SPCC, SPCD, FH, accords with GB13237-91, JIS G 3141-1996Product quality: accords with GB 13237-91Line speed: entry section 0-240mpm; process section 0-180mpm; exit 0-240mpmAnnum output: 100,000 - 300,000 tpyEnergy saving style: heat recovery of flue gas, SUNNY patentContinuous annealing furnace: Radiant tubes heating (RTF), verticalFuel type: natural gas, liquefied petroleum gas, mixed gas, coke oven gas and electricityWelding machine: narrow lap seam welderDegreasing style: chemical degreasing+ electrolytic degreasing+ three stages water rinsing, vertical or horizontal Skin pass mill: four-roll wet, max. roll force 6000KNTension Leveler: two bend units, one straighten unitOiling style: electrostatic oiling Electric system: PLC, AC frequency conversion control systemAutomatic instrument: PLC, intelligent auto control system

Line technics flow:    According to the function of the line and the process sequence of the strip, the line can be divided into entry section, process section and exit section. The entry section mainly includes payoff reel, crop shearing, welding and degreasing procedure, which provides the processing section with continuous strip material. The process section mainly includes annealing, skin pass mill, Tension Leveler, and thus finishes the technical processing of the strip. The exit section takes charge of parting cutting and reeling of the strip.

The technics flow shows below:Coil loading→ payoff reel→ crop shear→ welding→ degreasing (alkali spray + alkali brush+ electrolytic cleaning+ water brush + 2 stages water rinsing) → dryer→ (entry looper→) heating → heat soaking → quick cooling→ overage→ re-cooling →water quenching →dryer → skin pass mill → Tension Leveler→ (exit looper→) edge cutting → inspecting →oiling→ cutting→ tension reel→ coil unloading→ packing

Continuous Annealing Line

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