Plastic Compound Underwater cutting system Working Principle:
The working principle of the traditional extrusion pelletizing is to melt and filter the plastic adopting the single extrusion or twin screw extrusion the strand or hot face cutting system to produce the granules,finally cooling or solidified to cut.However,the under water plastic pelletizing machine is a new machine which is in the moment of mel pump extrusion to touch with the cold water,then cut directly.Melting pelletizing has some obvious advantages compared with solidifying pelletizing.
Plastic Compound Underwater cutting system Advantages:
1.For plastic being cut off in melting status,then solidification through circulation water.So different viscosity high polymers all can adopt this cutting type.There is no any dust,shape structured,easy package and transport in melting to cut plastic granules.
2.It can change the size and shape as per the extrusion rate and cutting speed to adopting different die heads.It also can use different Qty of knife to change the size and shape of plastic granules.
3.The cutting plastic granules and cooling system are in one combined which saves the 4~6mm water tank,reduces the area of floor space.
4.This technology realizes automatic production,easy to operate,low noise,good granules quality.
5.Bigger capacity than water strand,lower power.
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These water ring pelletizing/ water-spray pelletizing/ under water pelletizing line can handle more than 5000PCS hot glue without any molten cooler. Some low stickiness hot glue only need to add a molten cooler.
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Like: a) EVA series. b)Nylon series. c)polyester fiber series. d) various blinder.
2.Common elastomer:
Styrene Thermoplastic elastomer(TPS): SBS,SIS, SEBS, SEPS and so on.
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Polyolefin Thermoplastic Elastomer(TPO,TPE-O, or TEO):Â
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separate mixed infiltration S-TPO
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Dynamic vulcanizing TPV(PP/EPDM),TPE,TPA3.Typical process:Â
1)Reaction kettle,cooling,crushing,twin screw melting,underwater pelletizing,centrifugal dehydrator system.
2)Metering feeder,twin screw reaction extrusion,underwater pelletizing,centrifugal dehydrator system.
4,Polyolefin resin:
1)High output PE,PP production(more than 1000kg/h) Â
2)High melting high output PP production(more than 300kg/h)
5,Mixing nature-changing materials:
1)   Universal master batch of small granule :PE,PP,ABS,EVA+pigment+other additives
2)Filling nature-changing: PP+80%-90% calcium carbonate production
3)Mixing nature-changing: PE,PP,PS+SBS PP,PA+EPDM
4)Intensified glass fiber: PP,PBT,ABS,PA,PC,POM,PPS,PET+long fibers,small fibers/crystals powder coatingÂ
Application of Twin screw extruder Plastic Compound Underwater cutting system :
Elastomer TPU, TPE,TPO,POE,EVA,SBS
Thermo-plastic PE, PP, PS, PA modified
Low viscosity reaction polymer, all kinds of hot-melt adhesive
Pure polymer
Extensive heat and mass transfer, narrow residence time distribution, large surface to volume
ratio, continuous operatio. Ideal for high viscosity, high temperature reaction systems.Conti-
nuous polymerization or reactive extrusion like dynamic vulcanization, cross linking, grafting,Â
and chain extension of PP, TPU, TPE, TPV, PUR, PA, POM, PEI, PC, PMMA, PBT, PPS, etc.
General Applications
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| Purpose | Evaporator
Semi-welded plate evaporator has wide plate gaps, wide channel openings and laser welding, which enable them to perform vacuum and low pressure evaporation processes in both water-based and organic-containing systems. Evaporator can be considered the point of heat capture in a refrigeration system and provides the cooling effect required for any particular application.There are almost as many different types of evaporators as there are applications of heat exchanger. However,evaporators are divided in to two categories such as (i)direct cooler evaporators that cool air that,in turn,cools the product and(ii) indirect cooler evaporators that cool a liquid such as brine solution that, in turn, cools the product. Normally, the proper evaporator comes with the system. However, there may be an occasion when designing a system, so one will need to determine the requirements and select the proper evaporator from a manufacturer's catalog or manual. In practice,the following evaporators are commonly used for cooling,refrigerating,freezing,and air conditioning applications:•liquid coolers,•air coolers, and/or gas coolers. Shell and tube type heat exchangers are the more common form of evaporation units for water cooling and chilling applications. Evaporator,Semi Welded Evaporator,Rising Film Plate Evaporator,Milk Evaporator Heat Exchanger Jiangsu Baode Heat-Exchanger Equipment Co.,LTD , https://www.baodeexchanger.com | ||||