//Aluminum strip cleaning line

Aluminum strip cleaning line

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ITEM NAME :1850 ALUMINUM STRIP CLEANING LINE

 一、Content

  1. Main technical parameters
  2. Seller’s Scope of Supply
  3. Unit equipment composition and details

  1. Main technicalparameter

   Supply scope

  • Equipment scope and Description
  • Description of cleaning unit

The cleaning system consists of high-pressure cleaning box, low-pressure cleaning box, squeezer device, brush roller device, edge blowing device, filtration system and water circulation system.The water tank and pump body are made of stainless steel.

The cots in cleaning are double outlets, and the upper and lower rollers are interchangeable. The coupling, reducer and motor use the same model to ensure interchangeability.

During cleaning, both the extruder roller and the supporting roller are coated with polyurethane, with a thickness of 15mm and a hardness of Shore 75-80.

Cleaning process description, plate strip after high-pressure cleaning entry pinch roll roller gear box for points and synchronous transmission, with frequency conversion motor) drawing into the high pressure cleaning tank, after the first group, the second group of low pre cleaning cleaning nozzle, pressure is 0.4 to 0.6 mpa, and the third group of nozzle of high pressure flushing after (pressure is 2 to 3.5 mpa) into the next board face scrub brush roller (roller diameter Φ 240 x 1850 mm), brush roller equipped with belt drive above the support roller (roller diameter Φ 250 x 1850 mm), then enter the name of the second high pressure flushing (pressure is 2 to 3.5 mpa), the sheet surface to wash up and down.And then enter the group to scrub on the strip board face scrub on roller (roller diameter for Φ 240 x 1850 mm), brush roller equipped with belt drive above the support roller (roller diameter Φ 250 x 1850 mm) : after completion on board face scrub after five low pressure flush into the high pressure outlet drain roller (roller diameter for 250 x 1850 mm Φ, roller gear box for points and synchronous transmission, with frequency conversion motor) to remove surface residual cleaning fluid, high pressure cleaning section.

After the high-pressure cleaning section is completed, the plates enter the low-pressure cleaning chamber.After three group of low pressure water spray pipe, pressure is 0.4 to 0.6 mpa, and then into the last set of spray pipe to rinse of plank, into the drain in the cabinet after the completion of roller (roller diameter for 300 x 1850 mm Φ, roller gear box for points and synchronous transmission, with frequency conversion motor), the drain in the cabinet, will most of the residual night stand in the casing, the squeeze roller in the cabinet equipped with edge blowing device to prevent plate edges on both sides with the problem of water, into the box after outside drain (300 x 1850 mm roller diameter for Φ, roller gear box for points and synchronous transmission, with frequency conversion motor), the surface residual water drain,Flanging devices (manual opening and closing) are provided on both sides of the extruding roller to prevent the problem of water on the edge of plate.Low pressure cleaning section is completed.

After the low-pressure cleaning is completed, it enters into the drying system, which is composed of drying box body, heater box body, centrifugal fan and connecting pipe.Dry the surface and clean the system.

3.1 High pressure cleaning section

3.1.1 High-pressure cleaning box

The cleaning box is welded with 5.0mm stainless steel 201.Two sets of low-pressure prespray nozzles, two sets of high-pressure nozzles and one set of flushing spray nozzles were set to spray the plate surface

Number of low-pressure nozzles: =2×2×10=40 (2 rows up and down, 10 pieces per row)

Number of high-pressure nozzles: =2×2×10=40 (2 rows up and down, 10 pieces in each row, pressure 2-3.5mpa).

Entrances, pinch roll: Φ250 x 1850 mm (up and down roller gear box for drive, drive motor of 5.5 kw ac frequency conversion motor)

Support roll:Φ250×1850mm 2 pcs (each machine is equipped with hard tooth surface reducer, and the transmission motor is 5.5KW AC variable frequency motor)

Burnishing roller:Φ240×1850mm 2 pcs (each brush roller is equipped with 3kw 8-stage AC variable frequency motor)

3.1.2 High-pressure cleaning cycle system

Exit squeeze roll:Φ250 x 1850 mm (upper and lower roller gear box for drive, drive motor of 5.5 kw ac frequency conversion motor)

The high-pressure cleaning box adopts 5.0mm stainless steel 201 plate welding box body, using circulating pump for liquid supply.The high-pressure filter device is equipped with immersion heater, filtrating liquid by gravity reflux, and 3mm stainless steel welding is used in the tank.

Heating power: 180KW

Low-pressure primary water supply pump: flow rate: 10.5m /h, 1 set of 1.5KW

Reciprocating high pressure pump  flow: 5.5m /h  1 set of 22KW

3.2 Low-pressure cleaning section (sharing a filter with high pressure)

3.2.1 cleaning tank

The cleaning tank is made of 5.0mm stainless steel 201 welded case with circulating pump for liquid supply.

Low pressure circulating pump: flow rate is 50m /h   1 unit

Number of nozzles: =2×4×9=64 (4 rows for each row, 9 pieces for each row).

Export squeeze roller: 300 x 1850 mm 4 pcs (up and down roller gear box for drive, drive motor of 5.5 kw ac frequency conversion motor)

Filter box  Heating power: 180KW

3.3 Rinsing system

The storage tank is welded with 3mm stainless steel 201 plate, with submersible heater and circulating pump for liquid supply.

Heating power: 90KW

Number of circulating pumps: 1

Flow rate of single circulating pump: 2.4 m³ /H

3.4 Extruded rollers (4 pairs)

Location is as follows:

Low pressure cleaning tank, 2 pairs ;(1 pair on the inside of the box body, 1 pair on the outside of the box body, driven by frequency conversion motor to drive the gearbox on the upper and lower rollers)

Before Squeegee roll size:Φ250×1850mm(rubber coating)       2×4

The last two pairs of Squeegee roll (rubber coating)  2×4

Squeegee roll lift cylinder :Φ50×Φ36×180mm       2×4

Squeegee roll driving motor: 5.5 kw  (AC variable Frequency motor)

3.5 Brushing roller device

Setting position: Middle part of high-pressure cleaning tank

Each set of brush roller device is composed of a brush roller and a support roller. Each brush roller is respectively driven by an AC motor, and each support roller is respectively driven by an AC frequency conversion motor. The brush roller support roller ensures that the brush roller will not cause fluctuation to the strip during brushing.The position of brush roller and support roller can be adjusted.

Brushing roller :Φ240×1850mm       2 pcs

Brushing roller support roller:Φ250×1850mm         2 pcs

Brushing roller drive motor: 3kw               2pcs

3.6 side purging equipment

Set at the end of the cleaning system, a set of compressed air nozzles up and down are used to purge the strip to avoid water at the edge.

3.7 Drying unit

The inner side is welded with 2mm stainless steel 201 plate, the outer side is Q235 steel plate, and the middle is 50mm thick insulation layer.

Drying furnace type: electric heating Self-circulating blow-dry

Drying oven maximum temperature control

Fan motor power: 22KW

Total power of heater: 5.58KW

Eturn water system

  1.  600L water return tank.  1 set
  2. Pneumatic valves   2 sets
  3. Return water pump flow is 50 cubic     1 set

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