Double-layer blown film machine for HDPE and LDPE polyethylene extruder

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Product Description:

I. Main Technical

A: Extruder unit: total, 2 sets

1.Barrel and Screw

  1. bi-metallic barrel and screw diameter: A45mm, 2 sets.

  2. Screw L/D: 28:1

  3. Structure: dowel and cover mixing

  4. Material: 38CrMoA1A, with bi-metallic to saving the screw wear.

f. Process craft: Forging, quenching and high temperature tempering, nitirding.

2.Max screw speed:100r/min

3.Cooling the barrel on feeding zone.

4.Barrel use stainless steel of heater and 3 cooling blower.

5.Barrel heating zone: 3zone heating.

6.Speed Reduce Gear box:146#, 2set.          

a. Gear material: Alloy and Steel;

b. Main craft: high frequency quenching for gear surface, milling gear machine fine mill the hard gear surface;

c. Reducer box smooth method: enforce the oil loop smooth;

d. Gear box cooling method: enforce water loop cooling the temperature of oil;

7.Extruder main motor

a. Motor, total 2 set, motor power: 15KW×2sets.

b. With YASAKWA inverter, can independent and linkage adjust to the speed.

B: Die head 1 set

1.Basic structure type:AB two-layers co-extrusion helical

2.Die head diameter:80mm,100mm.

3.Heater of die head: Stainless steel mica heater.

4.Material: Alloy and Steel, forging and heat treatment.

5.Die head flowing plate hard chromium and buffing.

C. Double lip air ring, 1 set

a. Blower: High pressure and low noise; blower power: 2.2kw

b. With YASAKWA inverter.

D. Foam stabilizing frame 1 set

E. Take-up unit (Traction device)

1. Upper take-up device, 1 set

2. The second traction, 1 set(with rubber rolls, steel rolls and torque motor control)

3. Plywood device ( Tower),1 set

4.Traction rolls turn on/off type: driving by air cylinder

5.Traction motor:0.75kw,YASAKWA inverter.

F. Winding type: Constant tension control Single winding

1.Winding motor, 0.75kw,1 set, YASAKWA inverter.

2. Max film width: 600mm

3.Max roll diameter on the winding:800mm

G. Electrical equipment

1.Inverter: Yaskawa inverter

2.Temperature control device: RKC temperature control device.

3.A relay, contactor: Schneider / Omron

II. Features

The result is high Speed extrusion, best shearing and mix melting could make the plastic full plasticized. Also enhanced the film’s tension of horizontal and vertical. High output and strength of technology than others, is a really high speed blowing film machine.

1.Screw using the most advanced alloy spray technology, precision machining, hardness, corrosion resistance and better, long life, nitrogen treatment screw life 2 to 3 times.

2 screw length, plasticizing capacity, uniform temperature distribution, automatic temperature control, light blown film performance of uniform products;

3. compact structure, smooth operation, single-arm structure, economical and practical, the traction device integration and can self-tune movements;

4, using advanced inverter technology, energy efficient;

5, curled in various forms, can be arbitrarily chosen; 6, users can configure the rotating head.

III. Optional Equipment

  1. Auto loader

  2. IBC inner cooling fan

  3. Upper rotary

  4. Full auto winding unit

  5. EPC Control device

  6. Quickly manual Net-changing device

  7. Corona treater

IV. Main technical veriable

MODEL

DW-BFM-A+B

SUITABLE MATERIAL

HDPE+LDPE/LDPE+HDPE

FILM WIDTH RANGE (mm)

500-1000

FILM THICKNESS (mm)

0.015-0.06

MAX OUTPUT

100kg/hr

EXTRUDER UNIT

SCREW DIAMETER

45x2

SCREWL/D RATIO

L/D 28/1

SCREW MATERIAL

38CrMoALA

SCREW ROTATION SPEED

25-150r/min

HEATING CAPACITY

20kw

DRIVING MOTOR

40P(A15KW+B15KW)

TEMPERATURE CONTROL

2×6ZONE

BARREL COOLING FAN

1/7HP(180W)×6

DIE UNIT

DIE DIAMETER

A100B150A180

BLOWER

7.5HP(5.5kw)

HEATING CAPACITY

11kw

TEMPERATURE CONTROL

3ZONE

DIE MATERIAL

40Cr

TAKE-UP UNIT

TAKE-UP ROLLER WIDTH

1100mm

EFFECTUAL TAKE-UP

1000mm

TAKE-UP MOTOR

2HP(1.5KW)

TAKE-UP LINE SPEED

60m/min

WINDING UNIT

WINDING ROLLER WIDTH

1100mm

EFFECTUAL WINDING

1000mm

WINDING MOTOR

2HP(1.5KW)

TOTAL HEIGHT

6000mm


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Q:Which is more advantageous than a centrifugal oil filter and a vacuum oil filter?
The accuracy of the filter is improved to a certain extent, and the new type of centrifuge has better rotation mode and transmission speed and higher centrifugal rate, so the filtering effect is also improved, and the filtering effect is improved in general.
Q:Working principle of vacuum oil filter
The steam enters the condenser after cooling back into the water discharge, oil heating in vacuum tank, pump are arranged into the filter through the filter or filter will filter out particulate impurities, thus completing the vacuum oil filter quickly remove impurities, the whole process of water and gas in oil, clean the oil from the oil discharge machine.
Q:I opened a small youfang! The oil used in centrifugal oil filters is always mixed
[2] if the centrifugal oil filter does not have quality problems, you may have more water, water and oil emulsion or other reaction in the air, microbes and other external conditions, then the centrifugal oil filter incapable of action.[3] if your oil if it is used, which must produce colored material in high temperature process, and the centrifugal oil filter is not decoloring, so colored material will make edible oil looks cloudy.
Q:What is the working vacuum in the oil filter?
The vacuum tower is the core reaction device of vacuum oil filter, filter water main device in this trace, according to oil, water, gas heating in vacuum environment, the flash point of different transformation time, thus the separation of different material form. Separation is the key to control the vacuum heating, vacuum must be controlled in a certain complete gas-liquid separation and oil-water separation is within the scope of work ability, the vacuum degree is -0.06 ~ -0.095Mpa.
Q:Operation of centrifugal oil filter
3. stopA. turn off the heater and switch the valve to allow the sump oil to enter the sump tank through the recirculation system net.B. cut off the power supply. If the separator is to stop as soon as possible, the brake (brake) can be used after the speed drops to 1000 rpm. To avoid excessive wear of the friction disc, the drum speed is more than 1000 revolutions per minute, as much as possible without the use of the brake.C. the drum must be cleaned every time the work is done;Caution: do not loosen any fasteners on the machine until the drum has stopped completely. Points for attention in the use of edible oil filter
Q:What is the main transformer oil Biao machine?
Speed up to 6000rpm or more, the centrifugal force generated by gravity is 2000 times, even if 1 m can be taken out, can make the oil cleaning series to NAS5 level.
Q:What kind of oil can the oil filter handle?
2, centrifugal oil filtration function of removing impurities and a small amount of water, such as: common oil with refrigeration oil, quenching oil, cold heading oil, etc., this kind of oil filter less oil processing, efficiency is not high.3, the vacuum oil filter function in addition to water and impurities, such as turbine oil, insulation oil, water and other heavy oil oil, high viscosity oil is best to use a vacuum oil filter, if it is the ordinary oil filter, using heating equipment, such as heating plate oil filter, or composite vacuum oil filter type and frame type oil filter vacuum oil filter.
Q:Why does the vacuum oil filter tank foam?
1: the fuel tank return port is improperly set, resulting in two gas mixing. Generally, the condensate gas tank, precipitation, slag falling settlement, oil return port is arranged below the surface of oil, the oil from the high drop into the tank, increase the chance of air into the oil, also caused a stir, let the water back by gravity sedimentation oil layer, bubble generation.2: steam turbine system design flaws or system aging and other man-made EH steam turbine oil system with steam or water, then will cause the oil emulsion, oil emulsion into the vacuum distillation tower, high temperature vacuum evaporation, bubble, if EH oil vacuum filter without defoaming or eliminating system bubble device damage will lead to the bubble with the oil into the tank to cycle.
Q:What is the working principle of the vacuum oil filter?It's easy to understand
In the filter to filter out large particles of impurities in oil, but can not filter out the compound emulsion regeneration and oxide molecular structure, often need to pay attention to clean the filter in the process of using, easily broken or blocked.
Q:What is the effect of the oil filter on the filtration of fine particles?
The filter on the market are the theoretical precision, must understand the actual filtration precision filter, different oil should choose corresponding filter, industrial oil and edible oil, medical liquid filtration in the filter selection should pay special attention to the material composition matching filter

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