UL+Z-1600+255/2+10 aluminum and aluminum alloy rod continuous casting and rolling production line

Introduce：Selection of main technical parameters for aluminum and aluminum alloy rod continuous casting and rolling production line, process flow of aluminum alloy rod continuous casting and rolling production line, technical description of aluminum alloy rod continuous casting and rolling production line

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Introduction

Consultation

UL+Z-1600+255/2+10 aluminum and aluminum alloy rod continuous casting and rolling production line

Features

The design concept of the fourth-generation aluminum rod continuous casting and rolling mill production line is to optimize the equipment hardware, ensure long-term stable operation of the production line, reduce operating costs, economical environmental protection and low carbon, and produce aluminum and aluminum alloy rods with better quality. The crystallization wheel of the fourth-generation four-wheel casting machine adopts the H-type reinforcing structure, which improves the service life of the crystallizing wheel. Using a drainage tube and a horizontal guide automaticpouring the molten aluminum into the mold cavity smoothly, without turbulence and the turbulence, the flow channel within intermediate Fort aluminum surface oxide film is not destroyed, again reducing the intake of liquid aluminum Oxidation ensures the quality of the aluminum rod; the rolling mill adopts 2 independent transmission frames + 10 integral transmission frames, and integrates the advantages of the aluminum alloy rolling mill and the general aluminum rolling mill in strength, which improves the strength and use of the wearing parts. Lifetime; new type of guide rod adopts quadratic curve tube roller water-filled rod forming system, patented product (patent number), no butter, no scratch, no blockage, economical and environmental protection, no pollution, can be directly used for electric aluminum rod Enameled wire and extruded tube, especially suitable for the production of aluminum and aluminum alloy rods. The production line can be electrically connected to the matching program in terms of casting speed, rolling speed, traction speed and closing speed to ensure that the production line is synchronized and fine-tuned during operation, making operation simple and convenient .

First , the use of equipment

The machine adopts continuous casting and rolling process to produce aluminum rod and aluminum alloy rod . The raw material is pure aluminum ingot , electrolytic aluminum liquid or aluminum alloy , and aluminum rod or aluminum alloy rod with diameter of Ф9.5mm and Ф12mm is produced .

Second, the equipment composition

1. Equipment Name: UL+Z-1600+255/2+10 Aluminum Rod Continuous Casting and Rolling Mill Production Line

2. Main components of the equipment: four-wheel casting machine, active front traction, rolling shearing machine, active straightening device, frequency doubled induction heating device, active feeder mechanism, 255/2+10 aluminum alloy rod rolling mill , quadratic curve tube Roller water-filled rod forming device (oil-free lead rod, active rear traction) , plum-type double-frame closing rod , rolling mill emulsion circulation device, rolling mill lubricating oil circulation device, production line electronic control system . (Note: Each set of aluminum melting furnace, holding furnace and launder is required to be ordered separately. Among them, the external cooling system of the casting machine and the cooling system of the heat exchanger are provided by the user)

Third, the simple process

1. Aluminum ingot→aluminum liquid (aluminum alloy)→aluminum liquid refining→sampling→insulation standing→filtering→casting→cooling billet→active drawing before billet cutting→(straight)→(induction heating)→active Feeding into rolling → rolling → oil-free lead rod (quenching) →(post-traction) → continuous winding rod → plum-type double-frame closing rod → strapping → finished aluminum rod metering → inspection → storage.

2, with a good molten aluminum or molten aluminum liquid (molten aluminum alloy) by a holding furnace through the flow channel, into four caster wheel, continuously cast ingot trapezoidal area of 150 0mm 2. The active ingot is sent into the rolling shear to cut the waste ingot.

(After straightening frequency induction heating temperature), the automatic feeding mechanism feeding the ingot into a trapezoidal rod rolling mill, the conic roller water and oil-free continuous primer lever about the lever, double stitch block.

Fourth, the main technical parameters of the production line selection

Production of aluminum rod diameter	Ф9.5mm , Ф12mm, Ф15mm
Maximum theoretical production capacity	1.6-3.5 tons / hour ( Ф 9.5mm aluminum and aluminum alloy rod)
Main equipment size	45 × 7.8 × 5.1 m (excluding the furnace and cooling circulation system)
Total weight of main equipment:	62 t (mechanical part)
Total power	785kw

V. Technical description of aluminum alloy rod continuous casting and rolling production line

(1) Continuous casting machine

Crystallization wheel diameter	Ф1 6 00 mm
Crystallized wheel form	H- shaped
Crystallization wheel cross-sectional area	1500 mm2
Ingot cross-sectionalshape	Ladder
Motor speed	500-1 44 0 rpm
Casting speed	11.7-23.4 m/min
Crystal wheel drive motor	5.5 kw N=1 44 0r/min (AC, variable frequency speed regulation)
Steel belt tensioningcylinder	QGAESZ160×200L3
Cylinder pressure tightstrip	10A-5 CBB100B125(RY-T)
Pouring lift motor	Y80 2 - 4 0.75 kw N= 1390 r/min
Cooling water pressure	0.35-0.6 Mpa
Cooling water volume	60 t/h (internal cooling: 40 t/h, external cooling: 20 t/h)
Cooling water temperature	<35°C

(2) Active front traction and rolling shears

Front traction motor	Y132S-4 5.5kw 1440r/min
Rolling shear motor	Y180L-6 15kw 970r/min
Ingot cut length	700 mm
Rolling scissors material	W48Cr4V

The rolling shearing machine is driven by an AC variable frequency motor, and the needle pendulum speed reducer is used for deceleration. Two rollers are mounted on the two rollers of the rolling shearing machine for rolling shearing, and the cutting length is about 700 mm. The rolling shearing machine is mainly used for cutting the ingots at the production line before the rolling and rolling, and when the equipment is faulty, it is used when there is no need to stop casting. Photoelectric positioning is placed on the rolling shear so that the blade is always stopped at a certain position.

The active front traction is located in front of the rolling shear and integrated with the rolling shear.

(3) Straightening device

There are five straight straight wheels, and the top two are installed in the following three positions.

(4) Frequency doubled induction heating device

Rolling of aluminum alloy rods requires constant spindle temperature during continuous rolling to achieve constant temperature rolling. Constant temperature rolling is a remarkable feature of rolled aluminum alloy rods.

Mainly include induction heaters, medium frequency power cabinets, temperature measurement and temperature control systems. The induction heater adopts a two-stage type with a passive support drive roller between the segments. The temperature control system consists of imported optical fiber thermometer, intelligent instrument and analog conversion system. It can adapt to the process requirements of heat treatment heating temperature before rolling of aluminum alloy ingot: the maximum temperature rise is 80 °C, and it is heated from 440 °C to 480 °C to 490 °C--520 °C; continuously adjustable to ensure the minimum temperature of the initial rolling is 510 °C.

IF power supply maximum output power	300 kw
IF power frequency:	350 HZ
Ingot heating can be heated up to the maximum	80 °C
Cooling water flow	> 15 t/h
Cooling water pressure:	0.3-0.4MPa
Production speed	8 -12 m/min
Maximum output	3.88t/h
Equipment dimensions	2200×1256×1000mm (L × H×B)

( 5 ) continuous rolling mill

Type	Two rolls plus three rolls Y type
Rod diameter	Ф9.5mm, Ф12mm
Number of racks	1 2
Roll nominal size	Ф255 mm
Adjacent frame ratio	1-2# 58/41 1.42 2-3# 57/42 1.36 3-4# 56/43 1.30 4-12 55/44 1.25
Final theoretical maximumspeed	4 m/s ( maximum theoretical output ofФ9.5mm finish rolling 3.5 tons/hour)
Rolling center height	902.5 mm
main motor power 1# rack motor 2# rack motor	Z4-3 1 5- 3 2 280 kw (DC, N= 75 0 r/min) 55kw (AC) 45kw (AC)
Roll material	H13
Active feeding mechanism cylinder	CA100B75-AB(10A-5)

(F) an oil lubricating system (lubricating system for a dual gearbox)

tank	V= 3 m3 1
Pump motor	Y132M2-6 5.5kw960 r/min 2 sets
Pump model	2CY-18/ 0.3 6- 2 Q=18m3/h P=0.3MPa 2 sets
filter	GLQ-80 1 set
Oil temperature	<35°C

( 7 ) Emulsion lubrication system (cooling and lubrication dual system for aluminum rod rolling )

Lotion pump	IS100- 80 - 16 0 A Q=100m 3 /h P=0.5MPa 2
Pump motor	Y1 6 0M 1 -6 11 kw 2940 r/min 2
Cooler	BR0.35 0.6/120 35m 2 1
filter	GLQ-100 2 th

( 8 ) Quadratic curve tube roller water-filled rod forming device (without butter)

1. Quadratic tube roller water bag type lead rod integration system (detailed detailed description)

2. Cooling water piping system (use emulsion when producing aluminum rods)

3. Cooling and drying system

The cooling and drying system is located at the upper end of the cooling water piping system and is mainly used to dry the remaining moisture on the surface of the rod.

3. Active traction device

Traction speed	8.9m/s
Traction motor	Y132N-4 7.5kw 1440r/min

The device uses a double active pinch to adjust the pressure. The pinch roller rotates by the motor through the V-belt drive, and the other pinch roller (synchronous) is driven by the two pairs of gears, and the organic oil in the gearbox is lubricated.

5. Ring swing device

Wrench motor

4 kw 1440r/min

The rod penetrates the worm gear shaft in the traction thrust, and then pre-deforms under the spiral swing tube, and then wraps around the trolley frame.

6. Circle car