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SPC floor crushing and grinding powder recycling system
Product description

1.7 Belt Conveyor x 2

– Technical specification

Length 6000mm
Width 500mm
Reduction motor power 1.5KW (frequency control)
Convey height 2000mm
Conveying material PVC Belt
Conveying Capacity 2t/h
Line speed of the Conveying Belt 12m/min

 

– Process Materials

Transport from the discharging port into the hammer miller.

 

– Operation description

Material being discharged on the belt, then convey to the hammer miller.

The maximum bearing weight of the initial design is 450kg.

 

– Attention points

Safety:

Including Max angle is 40°;

Equip with the lateral fences;

Plastic covers on the belt.

 

1.8 Hammer Miller (Motor:SIEMENS Reducer:SEW)

– Technical specification

Diameter of rotary cutter 800mm
Main shaft width 800mm
Quantity of the knife 72pcs
Rotate the tool shaft speed 2500rpm
Quantity of sets of blades 6sets
Crush capacity 2t/h
Mesh size 5mm
Feeding diameter 870×260mm
Main motor power 90kw
The body panel thickness 20mm
Bearing NSK
Feeding port 5mm
Thickness of the blade 6mm
Blade plate thickness 10mm
Feeding port 1pcs
Sealing element TTO
Equipment weight 2110kg
Boundary dimension 2000*1200*1500mm
Motor power (sucking fan) 15kw
Dimension (sucking fan) 750*880*860mm
Feeding pipe 159MM stainless steel
Electric control system CS-800
Switch Schneider
Start ways Inverter
Storage silo 3 m3
Silo dimension 1200*1200*3000
Blower off fan 9L
Motor power 1.5kw
Dust-collection fan MCC48
Hammer miller water cooling-down system
Cooling ways Water cooling-water circulation
Cooling Jacket Double layer cooling insolation
Water temperature 18℃ Customer provides cooling water
Water pipes 1″
Water flow Circulating water
Water pressure 2kg
Connections pipe sizes 1’’
Temperature water in 18℃
Temperature water out 22-28℃

 

– Process Materials

Material is coming in, being milled to a final size of 1mm

Capacity per hour per unit : 2 Ton/hr

Fineness Less than 1mm More than 2mm More than 3mm
Proportion 80% 15% 5%
Capacity 2 Ton/hr Back to Hammer Miller

 

– Operation description

Step1: Material come into the miller by belt conveyor.

Step2: Material being milled to the final size of 1mm.

Step3: More than 1mm material will return to the hammer miller.

Step4: The final result will be transferred by the cyclone system into the vibrating sieve untill pass the 1mm mesh size.

 

Step1: The cooling of blades depends on cooling comes from the Double layer cooling insolation jacket.

Step2: Cooling water to cool the surface of the hammer miller.

 

 

– Attention points

Safety:

The original noise of the equipment is 90 decibels. The design has sound insulation and dust proof isolation room, which can be reduced to below 70 decibels.

The isolation room should have maintenance space, and the distance from the isolation wall should be more than 600mm for safety maintenance space. (Dimension: 5000*3000*2500mm. Main material: Steel square tube and sound insulation foam board )

 

The isolation room shall be provided with a dust collecting port, which is connected with the dust collector, which is beside of the hammer miller.

 

What happens if the metal fall into the machine :

Use the removable magnetic bar to limit metal.

 

Maintenance:

Change the blades each 3-6 months, StarsPlas recommend to change the blade each 3 months.

According to the use, change the belt every 3-12months. StarsPlas recommends to replace every 6 months.

Check the Oil level safety line monthly, lower than the line need to add lubricating oil.

Change the filter bags every 3 months. The price of each is $35

Check the vibrating sieve/mesh once a week and change once a month.(SPC is a heavy materials for the sieve, it`s necessary for check every week)

Change the screw once a year. The price of each screw is $350

 

– Remarks

Connections will be done in threaded pipes not flexible hoses.

Specifications allow enough water flow to work at 18℃.

Installed capacity of millers: 8Ton/h. Required capacity STD operation à 3,708Ton/h (8,030Ton/h peak)

Particles >1mm return to the miller by screw transport.

 

During FAT

Check no leakage of water happens during operation of millers

Check temperatures of cooling water system and miller. No overheating check

Test installed capacity of millers at peak condition

Check screw transport back to miller for particles >1mm

 

 

1.9 – 1.11 Cyclone Collector + Vibrating Sieve + Screw Conveyor

– Technical specification

Capacity of the Cyclone 2t/hr
Diameter of the Cyclone Φ80 CM
Discharging of the Cyclone Rotary Valve
Dusty collection method Connected with the Bag filter machine
Capacity of the Vibrating Sieve 2t/hr
Layers of the Vibrating Sieve 2 layers
Discharging of the Vibrating Sieve 1mm above discharged into Hammer miller

1mm below discharged into the storage tank

Vibrating Sieve Motors 2pcs x 2.2kw
Dimension for vibrating sieve 960*1600*1350mm
Mesh size 1mm
Diameter of the screw 63mm
Power of the screw 1.5kw
Material of the screw Stainless steel
Capacity of the screw 1000kg/hr

 

– Process Materials

The material through the shaking screen, the size of the milled material more than 1 mm will be returned to the hammer miller.

 

– Operation description

Step1: The milled material be sucked by the cyclone collector.

Step2: The materials goes through the vibrating sieve, the size of the milled material more than 1 mm will be returned to the hammer miller.

Step3: The milled material less than 1mm will be sent to the buffer tank.

Step4: Dust will be sent to the filter.

 

– Attention points

Safety:

The isolation room shall be provided with a dust collecting port, which is connected with the dust collector.

 

What happens if the screen is damaged:

Check the screen/mesh once a week and change once a month

Price of the mesh: 70$/pc

 

– Remarks

Design guarantees right dimensions of cyclone and fan will avoid dust emission. Cyclone design parameters are linked to the dust collector.

Seals between ducts are are tight enough to prevent dust.

 

– During FAT

Test fans, cyclones and ductlines to prevent air/dust emission. No leakage must be visible in Recycling Area.

Transportation procedures to be checked to avoid damage to equipment.

 

1.12 Isolation Room

– Technical specification

Noise control Below 70 db
Dimension 5000*3000*2500mm
Materials of the insolation frame Steel tube and sound insulation board
Separately frame for each hammer miller Suitable for taking out

 

– Process Materials

Noise be kept below 70 decibels.

 

– Operation description

There is a dust collection port, which is connected with the dust collector, which beside the hammer miller.

Noise is reduced to 70 decibels through the sound-absorbing material.

 

– Attention points

Safety:

The isolation room should have maintenance space, and the distance from the isolation wall should be more than 600~800mm, maintenance doors close to the hammer miller for changing the blades, oil injection etc.

The isolation room shall be provided with a dust collecting port, which is connected with the dust collector.

 

1.13 Pulse Dust Collector

– Technical specification

Quantity of the filter bag 25pcs
Filter information Sizes: 300*1000mm

Filtration area: 10m2/pc

Material: PTFE (surface coating)

Power of the Exhausting fan 15kw
Quantity of pulse valves 5pcs
Quantity of oil-water separators 1pc
Manual butterfly valve number and model ¢250 * 1
Quantity of Siemens PLC 1pc
Electrical appliances Schneider
Material High quality carbon steel

 

– Process Materials

The materials dusty generate by the hammer miller, will be collected by the pulse dust collector.

The filtering accuracy is up to 99%.

 

– Operation description

Step 1: The materials coming into the hammer miller;

Step 2: The dusty powder generated during the milling processing;

Step 3: The pulse dust collector connect the hammer miller.

Step4: The dusty go through the filers, the filtration area accuracy reaches 99%, and the dust emission is less than 5mg/m3.

 

– Attention points

Safety:

There is a dust collection port, which is connected with the dust collector.

The original noise of the equipment is below 60 db;

 

What happens if there is dust emission lost the function:

Check the filter system and Change the filter bags every 3 months.

The price of each is $30 /pc

 

– Remarks

Starsplas will send the operation mode of dust collectors, and DWGs

Starsplas will check to cope with the 5mg/m³ emission rate

Filters installation method will be sent. Maintenance every 3-4 months but it depends on usage.

Pneumatic pulse generates dust waves due to the reduce dimension of the pilot line dust collector.

Sealing of inspection door with rubber band.

 

 

– During FAT

Verification of dust emission rate of 5mg/m³.

Verification of dust collection operation according to Starsplas process steps.

Verification of tightness of filters in the dust collectors.

Design verification of the dust collector dimensions in avoidance of underdimensioned operation.

Verification of inspection door proper sealing during operation.

http://www.extrusionpanel.com/spc-flooring-recycling-system-1/

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