China Three-Layer Co-Extrusion Film Blowing Machine

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Features of Multi-layer Co-extrusion Greenhouse Film Blowing Machine
The lines is researched and designed on the basis of introducing and learning and assimilating the advanced key technology of Europe and America. It can be used for precess LDPE, LLDPE, MLLDPE, EVA, HDPE, etc. The line has various advantages such as Proper structure, stable function, nice plasticization, high output, low energy consumption and clear layers. It is the perfect device produce wide greenhouse film and geomembrane which have various function such as high strength, aging-resisting, non-fogdrop, light filtering and heat insulating.

Three-layer Coextrusion Film Blowing Machine (4-10m)

Main technical details:
1. Film Thickness: 0.05-0.2mm
   Film Open Width: 4000-10000mm
   Material: MLLDPE, LDPE, LLDPE, EVA


2. Material Mi range
1) LDPE: Mi=0.3-2.0
2) LDPE: Mi=0.3-2.0 EVA(5%~14%)
3) Mixed material (LLDPE and LDPE)

3. Single screw extruder:SJ120/30 (3 sets)
1) Capacity: 750kg/h
2) Screw Type: Wave type and mixed smelted head, used for processing of many material.
3) Screw Diameter: Φ 120mm (3 sets)
4) Screw L/D: 30: 1
5) Screw Material: 38CrMoALA\Nitrogen treated
6) Nitrogen treatment depth: 0.4-0.7mm, Surface hardness≥ HV950
7) Barrel Material: 38CrMoALA\Nitrogen treated
8) Processing Technics: Forging, Nitrogen HV≥ 750
9) Nitroged thickness: 0.4-0.7mm
10) Barrel temeperature controll: Constant temperature auto-controll
11) Barrel heating method: Cast aluminum heating
Barrel cooling method: Air-cooling

4. Gearbox: (Special for Plastic Machinery)
1) Gear Type: Standard hard gear
2) Gear Material: 20CrMoTi
3) Gear case lubricating method: Forcing oil lubricating
4) Main motor power: SJ120/30 with 132kw,
Three-phase asynchronism motor,
Frequency conversion
5) Equipped with long-acting screen changer equipment, to prolong screen changer
6) 120 Long-acting screen changer 3sets

5. Diehead
1) Sepecification: 1200× 2.0 (1 set)
2) Type: Three-layer coextrusion inner composite spiral die
3) Installation Method: Railway type diehead dolly
4) Heating Method: Casting aluminum heater
5) Temperature Controll: Auto-controll

6. Air Ring Equipment
1) Out Air Ring: 1 set
2) Air Ring Type: Double wind-nozzles structure
3) Cooling winder power: 22kw
4) Rotate Speed: 2900 rpm
5) Air pressure: 8000Mpa
6) Air capacity: > 3297m3/h

7. Inner Cooling Air Ring
Inner cooling controll system with PLC, It can improve the transparency and quality of film.
1) Controll system: PLC controll system, LCD Screen
2) Inner cooling blower: 2 sets, Frequency conversion timing
3) Intowinder: 15kw
4) Outwinder: 15kw
5) Imported ultrasonic sensor: 2 PCS

8. Haul off equipment
1) Upper haul off height: 21m
2) Die operation plat: 1 set
3) Triangle type frame: Steel frame rolling type 1 set
4) Flash board: Rolling type 1 set
5) Steady foam equipment: Rolling type 1 set
6) Upper haul off equipment: 1PC/set
7) Haul off roller sepecification: 340× 3200mm Speed: 0.5-15m/min
8) Motor power: 5.5kw

9. Tightening equipment and winding equipment: 1 set
1) Haul off roller sepecification: 200× 3200mm
2) Haul off Speed: 0.5-20m/min
3) Winding Method: Surface friction furl
4) Winding Speed: 0.5-20m/min
5) Winding motor type: YLJ132-40/6

10. The standard of checking machines
The machines will be fit for the standard as follows,
1) JB/T8061-96 Single screw plastic extruder
2) JB/78538-1997 Screw and Barrel equipped plastic machinery
3) JB/T8703-98 Plastic film blowing down-equippment
4) GB4340-84 The test method of metal hardness
5) GB11354-89 The standard of steel parts
6) GB11379-89 The standard of plating chrome
7) GB985-88 The type and size of welding
8) ZBG950/0-88 The condition and standard of painting

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Q:What cloth is the filter cloth used to filter oil? Where can I buy it?
The aperture is big is small, a larger aperture, less oil filter mesh, the faster the speed, the effect will be worse;
Q:Is there a national standard for oil filters?
JB/T 53160-1999 frame pressure oil filter grading of product qualityPlate and frame type oil purifier (oil filter) is mainly used to filter transformer oil, turbine oil, oil, diesel oil, aviation hydraulic oil and other oil in water and impurities, the body is made of stainless steel, can be used as vegetable oil filter.
Q:What is the principle of vacuum oil filters used in steam turbines?
PX is the use of physical means, without affecting the moisture, impurity and gas contains a large number of rapid removal of oil oil components and the premise of the performance of the liquid (acetylene, hydrogen, methane and other harmful ingredients; etc.) can have on steam, Water Leakage, aging, acid, foam, emulsified oil product purification. The quality indexes of the oil products meet the requirements of the quality standard of turbine oil in operation of GB/T 7596-2008
Q:What's the problem with vacuum oil filter? We have a project abroad
2, vacuum oil filter is basically non standard machinery, belonging to custom-made equipment, manufacturers will be in accordance with your requirements to provide the corresponding configuration of the equipment to meet your requirements3, service, in addition to fool type filter oil filter small machine can be used on-site guidance, the so-called fool type oil filter is a very simple machine, the machine in the factory before debugging good, get back after connected to the power supply can be used, if it is not used or will use the telephone guide read the instructions will be used.
Q:Use vacuum oil filters to filter transformer oil in summer and winter temperature should be in the degree of the northern region
Using filtered vacuum oil filter oil pressure: you said, the south region of 10# transformer oil, transformer oil 45# used in northern area, southwest area using 25# transformer oil, due to the temperature difference in the north south, the summer temperature of outdoor temperature at 35 degrees, 20 degrees below zero in winter, the supplier will consider the temperature difference
Q:How to solve the problem of oil leakage in the centrifugal oil filter?
Resolvent:1. open the case and reinstall the lower filter2. carefully sift and remove impurities before importing the oil3. change the oil filter line4. clean filter screen impurities.
Q:Seeking a set of oil filter drawings, the effect of good points, thank you, you can discuss
And the oil filter is non-standard machinery, concrete structure and function of the user can request, so now your demand is uncertain, a problem you can say speak generally, suggested the problem description in more detail.
Q:What are the oil filters for? What are they used for?
Improve the quality of lubricating oil, ensure the lubrication effect, reduce the frequency of lubricating oil, and increase the economic benefits.Generally used in large equipment industry, such as: compressors, steam turbines, etc.
Q:Characteristics of vacuum oil filter
5. It can also be used in power plants, power plants, power companies, power transformation industry, metallurgy, petrochemical, machinery, transportation, railway and other industries. PSDZJ series vacuum oil filter product overview PSDZJ series vacuum oil filter is the ideal equipment for the maintenance department of the electric power field to inspect and repair all kinds of high and low voltage (500KV or less) insulation oil for power transmission and transformation equipment. The series of products, easy to move, the technical indicators reached the advanced level of domestic similar products, some of the indicators in the leading domestic level, the use of closed oil filtering methods. Can live working, can dry the moisture in the transformer and other equipment, widely used in power plants, industrial and mining enterprises and purification of transformer oil, turbine oil, hydraulic oil, transformer oil, transformer oil, water switch frozen oil in the oil, gas and impurity particles. PSGLJ series light precision filter product overview PSGLJ series light precision filter is mainly used for special types of impurity, oil fine filter solid lubricating oil, insulating oil etc., especially high viscosity oil filter to filter the ordinary oil filter. It is the replacement product of plate and frame pressure filter. The only mechanical impurity filtering occasions, compared with the vacuum oil filter is more flexible and convenient, low cost, and high accuracy, than the ordinary pressure type filter of wide application, long service life, can be heated to reduce viscosity, do not need to replace the filter paper, filtering accuracy and stability
Q:Can the filter core be made to order?
Oil filters on the oil press are generally divided into three kinds

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