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crystallization plastic dryer

crystallization plastic dryer Details description
product name:crystallization plastic dryer
release time:2020-09-14
Numbering:crystallization plastic dryer-001
Brand:HENGJU
Price:¥By function
weight :By function
unit weight:Kg/set
manufacturer:hengju
patent:hengju
Producing country:
simple description:Plastic crystallization Dryer,crystallization Dehumidifying dryer
Product alias:crystallization plastic dryer,Plastic crystallization Dryer,crystallization Dehumidifying dryer,Crystal dehumidification dryer,Dehumidifier dryer,Dehumidifying dryer,Plastic dehumidifying dryer
  crystallization plastic dryer Product introduction

crystallization plastic dryer parameter

Plastic crystallization Dryer
1. It can be equipped with a dehumidifier to directly perform dehumidification operations;
2. Optional vacuum hopper, suction machine, magnetic base, suction box for conveying operations;
3. Optional screw feeder, which can stably and uniformly convey uncrystallized granular raw materials and PET flakes.
In industrial production, many engineering raw materials need to use a crystal dryer for drying. It is important to choose a high-quality crystal dryer.
 
Energy saving Plastic desiccant dryer Plastic crystallization Dehumidifying dryer box type plastic Dehumidifying dryer
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Hopper desiccant dryer Honeycomb plastic dehumidifier dryer Standard Dehumidifying dryer
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Standard plastic Dehumidifying Dryer 2 in 1 plastic desiccant dryer 3 in 1 plastic Dehumidifying Dryer
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crystallization plastic dryer Equipment principle

Plastic crystallization Dryer
The principle of crystallization dryer:crystallization Dehumidifing dryer
The closed cycle drying crystallization machine is used to continuously crystallize amorphous phased materials, and crystallize PET raw materials or recycled materials that have not yet been phased into crystalline raw materials that can be directly dehumidified and dried. The system includes high-temperature heating devices, heat preservation barrels, and constant speed The heavy-duty drive mixing assembly. When the uncrystallized PET raw materials or crushed enter the hopper, they are crystallized and stirred at the same time to prevent the raw materials from agglomerating and reduce the product defect rate. The crystallized plastic can be transported from the bottom of the hopper to the storage barrel or directly transported to the drying barrel for use after drying.
1. The crystal dehumidification dryer has low energy consumption, thin material layer, low spindle speed, low power required by the material supply system and low power consumption. Drying by conduction heat has high thermal efficiency and low energy consumption.
  2. The crystal dehumidification dryer is easy to control and has strong applicability. The drying process can be optimized by adjusting the thickness of the material layer, the spindle speed, the number of rake arms, and the size of the rake leaf. Each layer of the drying plate can be individually fed with heating or cooling media to heat or cool the materials, and the temperature of the materials can be controlled accurately and easily. The residence time of the material can be precisely adjusted. The material flows in a single direction, no back-mixing phenomenon, uniform drying, stable quality, and no mixing is required.
   3. The crystallization dehumidification dryer has a good operating environment, recyclable solvents, and dust emission meets the requirements
   Atmospheric pressure type: Due to the low air velocity in the equipment and the high humidity inside the equipment, it is difficult for dust to float to the top of the equipment, so the tail gas from the top temperature exhaust port contains almost no dust.
  Closed type: equipped with party solvent recovery device, which can easily recover the organic solvent in the wet gas. The solvent recovery device is simple and the recovery rate is low. For materials that are flammable, explosive, toxic and easily oxidized, nitrogen can be used as a moisture-carrying gas for half-circulation to ensure safe operation. It is especially suitable for drying flammable, explosive and toxic materials.
   Fourth, the crystal dehumidification dryer is easy to install, and has a small footprint. The dryer is integrated from the factory and transported as a whole. It only needs to be hoisted in place, and the installation and positioning are very easy. Due to the vertical arrangement and vertical installation of the drying plate layer, even if the drying area is large, the floor space is small.
   5. The crystal dehumidification dryer is easy to operate, and it is easy to drive and stop the dryer. After the feeding is stopped, the raking leaves of the conveying material can quickly empty the material in the dryer.
  Through the special large-size inspection door mirror, the inside of the equipment can be carefully cleaned and observed.

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. 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. crystallization plastic dryer 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. crystallization plastic dryer 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.

alias:crystallization plastic dryer,Plastic crystallization Dryer,crystallization Dehumidifying dryer,Crystal dehumidification dryer,plastic desiccant dryer

crystallization plastic dryer application

crystallization plastic dryer Plastic crystallization Dryer
Crystal dryers are widely used in plastics, chemical, pharmaceutical and other industries. They are characterized by fast crystal drying speed, low energy consumption, can maintain the physical properties of raw materials, and high product molding quality, which not only reduces production costs, but also provides enterprises with It is an economical and practical drying equipment with more economic benefits. The following Hengrong Machinery mainly introduces the principle and application of crystallization dryer.

1. crystallization Dehumidifing dryer,High-quality raw material output, complete structure and controller design, mixing hopper to prevent agglomeration, independently designed mixing blades and positioning rods can ensure that the raw materials are often rolled to crush any clumps that may be formed and prevent Agglomeration of raw materials;
2. Automatic continuous operation and automatic detection of the temperature inside the hopper to ensure the output of high-quality crystalline raw materials;
3. Satisfy the use characteristics of different raw materials, which can be directly processed online or stored in batches after processing the crystalline raw materials for future use;
4. The equipment design is safe, convenient to clean, safe and reliable. crystallization plastic dryerWith the widespread use of engineering plastics, 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,
Dehumidifier dryerand other plastic resins must be dehumidified and dried during the production process to improve the quality of the finished product.

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crystallization plastic 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.
crystallization plastic 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.
Application of Dehumidifying dryer on PET materials Application of Dehumidifying dryer in bottle blowing Application of Dehumidifying dryer in resin industry
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Application of Dehumidifying dryer in PE industry Application of Dehumidifying dryer in TPU industry Application of Dehumidifying dryer in PPO industry
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Central feeding system Dehumidifying dryer Dehumidifying dryer for injection molding industry Dehumidifying dryer for blow molding industry
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alias:crystallization plastic dryer,Plastic crystallization Dryer,crystallization Dehumidifying dryer,Crystal dehumidification dryer,plastic desiccant dryer

crystallization plastic dryer Precautions

Plastic crystallization Dryer
1. The dehumidification dryer must ensure that the hot air is clean.
2. Measures should be taken to prevent coke dust and avoid backflow of hot air.
3. For sticky materials, measures should be taken to minimize wall sticking.
4. The exhaust air temperature is not allowed to exceed the requirements to ensure product quality and safety.
5. During the drying process of materials, all parts of the equipment in contact with materials must be easy to clean and sterilize.crystallization Dehumidifing dryer
6. In order to improve the solubility, instant solubility, and dry products, they should be continuously discharged from the drying chamber quickly and packaged after cooling.

crystallization plastic dryer operation process guide:


1. crystallization plastic dryer Purpose 
Properly operate and maintain the Dehumidifying dryer and standardize the operation of the crystallization plastic dryer to ensure the baking quality of raw materials, increase the service life of the machine, and protect the safety of operators.
2. crystallization plastic dryer Scope It is applicable to the operation of all desiccant dryers in our factory.
3. Definition None
4. Operational Responsibilities The feeder in the injection molding department uses the dehumidifier and dryer correctly in accordance with this operating instruction to protect the dehumidifier from damage and normal operation, and ensure that the machine is clean and tidy.
5. crystallization plastic dryer Content
5. 1 Put all the current disconnect switches in the control box to the "ON" position, press the RUN/STOP key on the control panel, the indicator light will light up to start operation, and press RUN/STOP again during operation. ] Key, the indicator light flashes slowly, cooling operation, it will shut down after 5 minutes of operation.
5. 2 Setting of drying temperature: Press the mode switch【MOKE CHANGE】key twice, at this time the drying temperature setting display shows the symbol of C unit, press
5. 3 One-time conveying operation: press the LOADRI RUN/STOP] key of conveying 1 and the material is sent from the storage bin to the drying barrel. At this time, the indicator light flashes quickly, and when conveying 1 is pressed again, the operation will start. /Stop【LOADRI RUN/STOP】key,crystallization plastic dryer the indicator light flashes slowly until it stops, when the indicator light does not flash, it means that the bucket is full.
5. 4 Secondary conveying material operation: press the LOADRI RUN/STOP button of conveying 2 to send the material from the drying barrel to the machine storage hopper. At this time, the indicator light flashes quickly crystallization plastic dryer. When conveying 2 is pressed again Run/stop] LOADRI RUN/STOP] key, the indicator light flashes slowly until it stops, when the indicator light does not flash, it means that the bucket is full.
5. 5 The three-time conveying operation is the same as the second-time feeding operation mode, but the key is the conveying 3 run/stop]LOADRI step RUN/STOP] key.
5. 6 When Dehumidifying dryer is automatically operated to transport materials from the storage box to the drying cylinder and from the drying cylinder to the hopper of the forming machine, the conveying must be opened first
5. 8 Maintenance and maintenance of desiccant dryer:
5.8.1 crystallization plastic dryer delivery 1-3 Filters and dryer filters must be cleaned once every shift.
5.8.2 When the machine is maintained and repaired, all current switches in the control box must be set to the "OFF" position.
5.8.3 The material in the crystallization plastic dryer can only be used by the random molding machine (except for special circumstances).
5.8.4 When conveying 2 (transporting 3) is in operation, pay attention to opening the drying cylinder unloading valve about half to prevent the remaining material in the conveying pipe from blocking the conveying pipe and affecting feeding when the conveying 2 (conveying 3) stops.
5.8.5 The machine will generate high temperature during operation. Please take care to prevent burns. Do not touch the operation panel with wet hands, otherwise electric shock may occur. Note: The PET material of Hexing Parts must be produced with this machine, and other materials must be produced with a dehumidifying dryer according to the physical property table.
6. Reference file "Dehumidifying dryer operation manual"
7. Relevant records Dehumidifying dryer drying material record sheet Dehumidifying dryer maintenance check sheet
Practice has proved that reducing the dew point of the drying wind to below -40°C while controlling the du heat to blow over the surface of the wet plastic particles can reduce the moisture content of it to below 0.02% before molding. The crystallization plastic dryer is used The air is fully dehumidified and heated in a closed circulation system, and the dry air quickly completely separates the moisture in the plastic particles to achieve the effect of dehumidification and drying. So, do users know when they cannot use the machine?

Under what circumstances cannot be used crystallization plastic dryer:


1. crystallization plastic dryer,dehumidifier dryer There is a damaged line;
2. crystallization plastic dryer To prevent electric shock, do not run the machine on a wet floor or after the machine is exposed to rain;
3.crystallization plastic dryer If the machine is damaged or disassembled, it should not be overhauled and installed by professional maintenance personnel;
4. During the operation of the machine, at least 1m of surrounding space is required. Please protect this device and flammable materials at least 3m away;
5.crystallization plastic dryer Avoid vibration and magnetic influence in the work area.
6.crystallization plastic dryer When the ambient temperature is lower than 15℃, the water droplets attached to the surface of the evaporator will freeze to weaken the effect of the dehumidifier. If the ambient temperature exceeds 40℃, the pressure in the system will increase and the compressor will be overloaded. The protector should cut off the circuit, otherwise the compressor motor will be damaged. So the best temperature range of dehumidifier is 15℃~40℃. If the humidity in the air is below 30%, it will be too dry and uncomfortable, so a reliable humidity controller will control it to maintain the range of 50% to 60%. When using, close the doors and windows as much as possible, so that the indoor dehumidification effect is good. The body of the desiccant dryer must be placed flat, not tilted or turned sideways, to avoid machine failure or abnormal noise.
7. The water storage in the Dehumidifying dryer is too full. In order to avoid overflowing and contaminating the ground, when the machine body must be moved during operation, please unplug the power cord first, and then pour out the water in the water storage bucket. Clean the air filter regularly (about once every two weeks) to maintain the dehumidification and dust removal efficiency and life of the machine. Clean the air filter and wash it with water below 40℃; it is better to clean it with detergent. After washing off the dust, rinse it with water, dry it and put it back into the body.
8.crystallization plastic dryer When cleaning the body, wipe it lightly with a damp cloth; avoid directly splashing water for cleaning, so as not to damage the electrical insulation. Adhesives on the surface of the body can be cleaned with soap and water. Avoid spraying with gasoline, petroleum spirit, solvents or spray insecticides to avoid peeling paint or discoloration. Do not use thin rods or iron wires to dig out the inside of the machine to avoid malfunction or danger. Please unplug the power cord to maintain the life of the machine when it is out of power, not used for a long time, or when traveling!

Precautions when using crystallization plastic dryer:


First, please carry out electrical construction in accordance with the "Electrical Equipment Standards", "Inside Wiring Regulations" and this operating manual.
Second, please do not use power sources other than those specified.

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Third, please complete the specified grounding works. (Yellow power cord)
Fourth, please fasten the connectors and connection terminals of the machine body and measuring instrument wires.
Fifth, the power supply must be cut off before the line inspection, and the voltage must be measured with a multimeter after 10 minutes to ensure safety before proceeding with the inspection.
Sixth, do not open the control box door at will during the power-on process.
Seventh, do not touch the machine body, control unit, and other accessories with wet hands.
Eighth, please do not damage the wires, do not put pressure on the wires, do not place heavy objects on the wires, and do not clamp the wires. It may cause electric shock.
Ninth, please professional and technical personnel for wiring and inspection.
Tenth, when you need to disassemble the machine for inspection and cleaning, please cut off the power and compressed air source first.
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