plastic PET pellets material dryer parameter

plastic PET granule dryer Equipment principle

plastic pet dryer
1. The internal circulation of the dehumidifier: through the operation of the compressor → discharge high-temperature and high-pressure gas through the exhaust port → enter the condenser for cooling → become a low-temperature and high-pressure gas → intercept the flow through the capillary tube → become a low-temperature and low-pressure liquid → evaporate and absorb through the evaporator Heat → return to the compressor to become a low temperature and low pressure gas. This cycle is repeated.
2. The external circulation of the dehumidifier: under normal startup → through the operation of the fan → inhalation of moist air from the air inlet → through the evaporator → the evaporator absorbs the moisture in the air on the aluminum sheet → becomes dry air → Pass through the condenser to dissipate heat → blow out from the air outlet.

can dry to a moisture content below 0.02%, and solves the shortcomings of poor transparency, sprue sticking, bubbles, silver bars, cracks, poor dimensional stability, internal stress, and insufficient product physical strength. plastic PET pellet Dehumidification and drying feeding equipment series are composed of: non-heat dehumidification dryer, heat preservation type drying barrel and all stainless steel suction machine. The suction machine can transport the raw materials from the drying barrel to the forming machine, and can also transport the raw materials from the storage barrel to the drying barrel. According to customer needs, a kind of raw material can be delivered to two molding machines, vacuum motors and safety filter dust collectors are installed inside the machine. According to the production needs of different products, we can provide a powder-removing suction machine to separate the powder in the raw material and capture it. This device has a compact structure and is suitable for the production of precision injection products using engineering plastics such as connectors, precision gears, mobile phone communications, digital cameras and product size requirements, so that the moisture content of the raw materials after wet and dry is low and stable, which can meet strict requirements Technical and quality requirements.
Most engineering plastics are hygroscopic. When the plastic is taken out from the moisture-proof sealed packaging bag and exposed to the atmosphere, it will begin to absorb moisture from the atmosphere.
If it is a conventional hot-air barrel dryer, it is Humid external air can dry the plastic, so it cannot prevent the plastic from continuing to absorb moisture.
1. The internal circulation of the dehumidifier: through the operation of the compressor → discharge high-temperature and high-pressure gas through the exhaust port → enter the condenser for cooling → become a low-temperature and high-pressure gas → pass through the capillary tube → become a low-temperature and low-pressure liquid → evaporate and suck through the evaporator Heat → until the compressor becomes a low-temperature and low-pressure gas. So it goes back and forth.
2. The external circulation of the dehumidifier: under normal startup → through the operation of the fan → moist air is sucked in from the air inlet → passes through the evaporator → the evaporator absorbs the moisture in the air on the aluminum sheet → becomes dry air → Pass through the condenser to dissipate heat → blow out from the air outlet.

plastic PET pellet material dryer application

Dehumidifying Dryer,The three-in-one dehumidification dryer feed combination integrates three functions of dehumidification, drying and feeding in one machine, which is especially suitable for engineering plastic materials with strong moisture absorption such as Plastic ,risin,PET, PA, PC, etc.
1. The dehumidification dryer integrates dehumidification, drying and feeding functions, simple operation, convenient material change, and high work efficiency;
2. The dehumidification dryer is equipped with a honeycomb runner, which can obtain dry air with good stability and low dew point;
3. It can be used in the process application of optical products such as lenses, LCD backlights, optical discs, etc.;
4. It can be equipped with PLC control and LCD touch man-machine interface, centralized and convenient operation, and can control the automatic operation of the whole machine;
5. The closed feeding system can prevent the dried raw materials from re-moisture due to contact with outside air;
6. The dehumidification dryer machine occupies a small area and is easy to move, and the machine can be replaced at will.

Dehumidifying Dryer
1. High degree of automation reduces the labor intensity of operators;
2. The honeycomb runner using Japanese ceramic fiber as the base material has good dehumidification effect and stable and reliable performance;
3. It integrates three functions of dehumidification, drying and suction;
4. The feeding system is equipped with a shutoff valve to ensure that there is no residual raw material in the material pipe.
5. PID control of drying temperature and regeneration temperature;
6. PLC touch screen can be added, the operation is simple and clear at a glance;
7. Various complete protection circuits with dehumidification function after shutdown.
8. This series of dehumidification series adopts double cooler structure to ensure lower return air temperature and dew point. With the widespread use of engineering plastics, plastic PET pellet Dehumidifying dryers have gradually replaced traditional hot air dryers.
This is a device used to dehumidifying plastic resin to achieve drying. For example,
POM,ABS,TPE,PAL,ABS,CAB,EVA(2),EVOH,LM(4),LCP,PA11,PA6.46.6,PAI,PAR,PBT,
PC,PC/ABS,PC/PBT,PE.HDEPE,LDPE black3%,PE.HDEPE.LDPE black40%,PEEK,PE(1),
PEN,PES,PET,PETG,PI,PMMA,POM,PP,PPO,PPS,PS,[GPPS.EPS.HIPS],PSU,PIT,PUR,
PVC,SAN,SB,TPE,TPE,TPO,TPU,

Material	Initial Moisture Content	Drying Time	Drying temp.
ABS Acrylonitrile Butadiene styrene	0.6%	2~3 H	80℃
PA 6 Polyamide 6	1%	4~6 H	75℃
PA 66 Polyamide 66	1%	4~6 H	75℃
PA 6, 10 Polyamide 6, 106	1%	3~4 H	75℃
PA 11 Polyamide 11	1%	3~4 H	75℃
PA 12 Polyamide 12	1.8%	2~3 H	75℃
PC Polycarbonate	0.36%	2~3 H	120℃
PE Polyethylene	0%	1 H	90℃
PE Polyethylene w/carbon black	0.5%	3~6 H	85℃
PET Polyethylene Terephthalate	0.4%	3~6 H	160℃
PETG Polyethylene Terephthalate Glycol	0.1%	6 H	66℃
PBT Polybuthyleneterephthalate	0.4%	3 H	160℃
PI Polyimide	0.32%	3 H	120℃
PMMA Polymethylmethacrylate	0.7%	2~4 H	80℃
PSU Polysulfone	0.22%	3 H	120℃
POM Polyoxymethylene	0.25%	3 H	100℃
PP Polypropylene	0%	1 H	90℃
PPO Polyphenyleneoxide (Norl R)	0.13%	3 H	120℃
PS Polystyrene	0%	1 H	80℃
PUR Polyurethane	0.9%	3 H	90℃
PVC Polyvinyl Chloride	0.4%	1 H	70℃
SAN Styrene Acrylonitrile Copolymer	0.3%	2~3 H	80℃
SB Styrene Hi-impact	0.6%	2 H	80℃
lonomer(SurlynR)	1%	2~8 H	50℃
VPE Crosslinked Polyethylene	2%	6 H	50℃
KODAR PETG 6763	1.8%	4 H	66℃
PES Polyester	0.6%	4 H	75℃
CA Cellulose Acetate	1.3%	2~3 H	75℃
CAB Cellulose Acetate Butyrate	1.3%	2~3 H	75℃
CP Cellulose Propionate	1.3%	2~3 H	75℃
lonomer	1.4%	2~3 H	90℃

Dehumidifier dryerand other plastic resins must be dehumidified and dried during the production process to improve the quality of the finished product.

plastic PET pellet dryer series are mainly designed for high-efficiency dehumidification of engineering plastics with strong hygroscopicity. Using the honeycomb runner with ceramic fiber as the base material, which represents the highest technological achievements of today, as the core component, the dry air provided can easily reach -40℃ dew point, and ideally it can reach -50℃ or even lower dew point , And the dew point temperature is stable, ensuring the high quality and stability of the molded plastic products. The whole series adopts P.LD. temperature control system as standard equipment; also provides PLC control with LCD touch-sensitive human-machine interface and can monitor the dehumidification effect of the machine Dew point meter is optional, the maximum drying air volume of this product can reach 3000m3/hr. The plastic before molding must be dried to an orientation ratio of less than 0.02%, which is completely bad, sprue adhesion, burrs, bubbles, silver bars, flow marks, cracks, dimensional stability and internal stress. Product defects (for example, insufficient physical properties and strength) are caused by sufficient dehumidification of the plastic before molding. Especially for PET, PBT, PA, PC and other high water absorption plastics, drying equipment with an ultra-low dew point of -40°C is required.
plastic PET pellet dryer, can be dried to a volume ratio of less than 0.02%, which solves the shortcomings of short circuit, gate adhesion, bubbles, silver bars, cracks, poor dimensional stability, internal stress and insufficient physical strength of the product. There are a lot more.
Mainly used in plastic products, automobiles, optical discs, experiments, communications, optics, etc.; the rotary honeycomb can reach a low dew point of zero bai for dehumidification and drying at -40°C. In the case of enhanced configuration, the dehumidification dew point can be as high as -50°C. It is a choice for high-precision industries.

plastic PET pellet dryer Precautions