Beijing JJRS Technology Development Co., Ltd.
Beijing JJRS Technology Development Co., Ltd.
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This production line is galvanizing line of cold rolled steel. It mainly includes uncoiling section, welding platform, entry looper, annealing furnace, zinc pot, air knife system, cooling system after galvanizing, tension leveler, passivation section, exit looper, reserve postion for electrostatic oiler and some other equipments. The production line's product position is architectural material, roof, panels, etc. Its function inlcudes annealing, galvanizing, finishing, straighterning, pre-painting oil. etc.
According to technical operation, this line could be divided into three sections: Entry section, process section and exit section
1. In Entry section
Entry coil skids I# & II# →Coil Loading Car I# & II# → Pay off Reel I# & II# → Decoiling guide board I# & II# →I# & II# Decoiling Pinch Delivery Machine I# & II# → Hydraulic Transverse crop and end Shearer →Scrap collecting disposal device →1# Deflector Roll→ Carry over conveyer →automotive welder→ Crescent shearer →Pinch Delivery Machine after welding →Tension Bridle Roll I#→ Entry Accumulator → CPC Single Roll Centering Machine I#& II# &3#
2. In process section
CPC single Roll Centering Machine IV# →Tension Bridle Roll II#→ CPC Single Roll Centering Machine V#→Tension Bridle Roll III#→Tensional strength Measuring Machine →Annealing Furnace → Furnace nose →Zinc Pot → Submerged Roll → Air Knife → Vertical Air Cooling Device → High Tower Deflector Roll → Horizontal Air Cooling Device → Water Quench Tank → Squeezer After Water-Quenching → Hot Air Blowing Off Unit I#→ CPC Double Roll Centering Machine I# →#online zinc coating thickness Gauge →Tension Bridle Roll V# →Skin pass gauge→ Skin pass squeezer → Hot Air Blowing Off Unit II #→Tension Bridle Roll V#→ Tension leveler → Tension Bridle Roll VI#→Passivating Rolling-Coater → Passivating baking Furnace
3. Exit section configured equipments:
Exit Accumulator → CPC Double Roll Centering Machine II# → Tension Bridle Roll VII# →pinch Shear→ Exit Pinch Delivery Machine → Tension Reel (armless EPC)→ Coil Unloading Car → Belt wrapper
| Technical document description | Schedule for the Deliverables |
| Civil construction and energy supply requirements | Within 7 days since the effective of contract |
| General equipment layout drawings | Within 8 weeks since the effective of contract |
| Equipment foundation condition drawing and embedded pipeline drawings | Within 10 weeks since the effective of contract |
| Major equipment catalogue | Within 3 months since the effective of contract |
| Split shipment arrangement | Within 4 months since the effective of contract |
| Spare part list and drawings | Before hot commissioning of the equipments |
| Equipment operation maintenance manual | Within 1 week since the check and acceptance at the buyer’s site |
