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  • Dehumidifying Dryer
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Dehumidifying Dryer

YushineDehumidifying Dryer series is consisting of 2 in 1 dehumidifying dryer and 3 in 1 dehumidifying dryer. SDD series dehumidifying dryers combine dehumidifying and drying systems into a single unit. SDU series compact dryers combine the function of dehumidifying, drying, and two-stage conveying into one single unit.

  • Features honeycomb rotor for dehumidifying, ensuring continuous and constant low dew-point.
  • Under ideal conditions, it can provide lower than -40℃ dew-point dehumidified air.
  • SCD series has semi-open and hermetic structures.
  • Heat preserved drying hopper barrel adopts down blowpipe design and collocates with cyclone air exhaust to avoid heat lost and improve drying efficiency.
Dehumidifying Dryer Series Good Quality

Yushine dehumidifying dryer is designed to eliminate moisture in the plastic material before they can be processing. Each model can combine dehumidifying and drying functions into a single unit. The insulated humidified dryer features dryer air down-blowing and cyclone exhaust design. Additional features of our dehumidifying dryer it is an integration dehumidifier dyer with the two steps conveying the form which is to compact the design which is floor space savings and mobile.

We offer various models of these dryers, all of which can be ordered online. For additional details, contact our team freely, as we’d be happy to help you. Yushine is a professional manufacturer and supplier of dehumidifying dryers with over 15 years of experience. 1-year warranty, Lifelong maintenance and any feedback will response in 24 hours. Yushine dryers should 100% trial run and follow the quality control system strictly.

Send us your requirement, we will offer you quotation as soon as possible.

Optional dew-point meter with real-time display of dew-point detected. With recyclable and resettable filter to make sure the honeycomb is not contaminated. Equipped with Micro computer control, adopted P.I.D temperature control and LCD touch screen and dew point monitor as optional

ModelDimension HxWxD(mm)Weight(KG)Process Blower (kw)Drying Heater(kw)Capacity ( L )Regeneration Blower(kw)Regeneration Heater(kw)Air Flow
Conveying Blower(kw)Hose Size(inch)SMH Hopper(L)SVH Hopper (L)

Dehumidifier Dryer

The SDD series consists of two functions: dehumidification and drying. It is widely used in various plastic materials, especially engineering plastics with strong hygroscopicity, such as: PA, PC, PBT, PET, etc. Up to -40°C dew point. This series of products use the SD-H series of honeycomb dehumidifier with down-blowing all stainless steel insulation drying drum combination.


ModelDimension H*W*D(mm)Weight(KG)Process Blower(KW)Drying heater(KW)Capacity ( L )Regeneration blower(KW)Regeneration heater(KW)Air flow(m3/hr)

Yushine Drying and Dehumidifying Manufacturer

Yushine is a professional manufacturer and supplier of Drying and Dehumidifying forever 15 years of experience. Our company has passed ISO9001 international quality system and most of our products have passed CE certifications. We Always optimize supply chain management, by on-time payment, and cost control.

Through our excellent supply chain management as well as timely staff training, we could provide our drying and Dehumidifying with favorable prices and good quality.

  • All the electrical appliances are used Schneider or Siemens and
  • The key components have also come from reliable manufacturers.
  • All of our machines go through a series of quality control checks and a 100% trial run before delivery.
  • If you have interesting in our plastic auxiliary equipment, feel free to contact us!

Drying and Dehumidifying- The Ultimate FAQs Guide

In this modern era, demand for high-quality machines has increased to a great extent. Machines have made life easier and save time.

Investors are more interested in machines that are high operational and come out with a good quality product.

Yushine is labeled a well-known brand of plastic processing equipment with a one-year warranty, fruitful consultation, 15 years of excellent experience, and skilled workers.

If you are unaware of the product, then you are at the right place.

In this write-up, you will come to know about the dehumidifying dryer.

What do You know about Dehumidifying dryers?

The dehumidifying dryer is equipment that is framed in such a way to do away with humidity present in plastic material prior to processing.

Air is passed across the desiccant bed for best dry. Air is again heated at a specific temperature, which is supplied to a drying hopper containing the material to be dried.

The desiccant holds the moisture for a short period before drying out, and the current of air is robotically redirected to another desiccant bed to continue the drying process.

The initial desiccant bed is regenerated in this period to eradicate the moisture again, put to cool, and then becomes ready to sucks the moisture.

The dehumidifying dryer comes in 2 in 1 and 3 in 1 range which is assembled as a single unit.

What Is the Purpose of Dehumidifying Dryer?

Have you ever encountered silver marks, black spots, bubbles, poor transparency, or blisters on plastic material? This all occurs in PET due to ineffective drying.

Moisture saturation occurs in the resin due to contact with the surrounding during storage or transmission of material.

Dehumidifying dryer supplies dry air to the dew point of -40⁰C, which conclusively lessen the humidity of PET resins and stabilize its’ nature.

The dehumidifying dryer is a need to remove the moisture for a better quality of plastic. The moisture must be less than 0.002% before the dehumidification starts.

Dehumidifying dryer results in an increase of strength and uplifts the speed of the drying process.

Which Steps Are Required to Clean PET With Dehumidifying Dryer?

Certain steps are needed by dehumidifying dryer for cleaning of PET resins from the material. These are mentioned as:


It is the 4th important parameter in the process of drying.

This medium transfers the dehumidifying low dew-point air from the dehumidifying dryer to plastic pellets.

When the airflow is not optimum, then the drying process takes time. However, intense airflow thermally deteriorates the plastic material.

In this way, airflow must be done with some speed in the dehumidifying dryer.

Drying Temperature

It is the main feature when considering the drying process. Elevated temperature loses the tensile strength of the material and results in water leakage.

The drying process for PET is done at a possible given temperature.

Saturated Air Temperature

This temperature depicts the humidity content in the plastic material. When the process is done in dehumidified air, then the air sucks all the moisture from the material due to increased absorbing capacity.

Time of Drying

PET material needs time for proper dry. When it is given heat at a low dew-point, then time must be provided for the perfect removal of water droplets from the product.

Explain the Characteristics of Dehumidification Dryer?

The characteristics of the dehumidifying dryer are as follow:

  • Possess PID control microprocessor
  • It consists of blowers with high pressure
  • Dew point gained is -40⁰C
  • Robotic programming
  • Safe and trouble-free processing
  • Working at low-temperature increases lifespan
  • It consists of converse alarms

What Are Various Types of Dehumidifier?

A dehumidifier is a device or equipment that is used to remove the moisture from the materials. Let’s take an insight into various types of the dehumidifier.

  • Refrigerant type
  • Desiccant type

Refrigerant type

This kind of dehumidifier is helpful to remove the humidity from the surroundings. It operates on the principle of the Vapor Compression Cycle.

This type of dehumidifier cools the air below the dew point. Humidity is removed due to the condensation method.

The dried-up air is again heated at possible room temperature and supplied to the surrounding.

Desiccant type

This kind of dehumidifier sucks humidity from the surrounding into the plastic or desiccant materials.

The air which needs to be dried is passed via the rotor in single air pressure. The rotor brings the humid desiccant back to the reactivation air pressure to provide it heat.

The moisture is sucked out of the desiccant material in the form of vapors. Hot air is ducted outside.

In this way, a separate air stream moves on a different path to eradicate any dirt out of the processed air, and the dried air is circulated back to the original point.

What Is the Difference between Plastic Dehumidifying Dryer and an Ordinary dryer?

The plastic dehumidifying dryer and an ordinary dryer are differentiated in such ways:

The plastic dehumidifying dryer is essential in lifting and dehydrating plastics electronically after they are pressed and washed.

The dehydration rate reached is 90% which improves the quality of cleaning and saves energy intake.

Ordinary dryers make use of electric heating and warm air to dry the materials present in the area at elevated temperatures to evaporate water.

In ordinary dryers, incoming air is heated as it contains a high rate of moisture, so the material is difficult to dry.

Enlist the Qualities of 3 in 1 Dehumidifying Dryer?

3 in 1 Dehumidifying dryer assembles drying, dehumidifying, and two-stage conveying function in a compact design.

It is suitable for the absorptive plastic material to remove the PC, PET, PA, and other materials.

3 in 1 compact design possesses a honeycomb dehumidifier, a suction machine, and a hopper dryer.

It consists of an insulated drying hopper for down air pipe and cyclone exhaust style to prevent heat loss and to distribute the heat evenly. In this way, energy utilization is decreased.

3 in 1 SCD series design is either in a closed-form or semi-opened form. It is also air-tight in design.

3 in 1 dehumidifying dryer is used in the production of materials such as lenses, discs as well as LCD backlight panels.

The TCD series of dehumidifying dryers consists of two compressors to make sure the low return of air and diminished dew point.

The drying air volume for such a dehumidifier dryer is 30 to 2K m3 per hour.


It is regarded as the central part of a 3 in 1 dehumidification dryer, which itself dry the material. It has a touch-delicate interface machine.

You may encounter that it is designed with various alarms on the sensitive screen.

Hopper Dryer

It is labeled as the central part for material storage and supply. The drum body is made of stainless steel, while the interior side is polished to prevent dust particles.

The drum body of the drying hopper is featured as 2 layered, which is helpful in saving energy.

It is also used to dry or dehumidify plastic materials prior to processing the product into injection molding machines.

Suction Machine

It is known as the central part of robotic feeding. It consists of a high-speed motor having a strong conveying volume and steady production.

The feeding system possesses a closed valve to notify that no residual material is left in the pipe.

It has a microcomputer for analyzing and an alarm for detecting any failure or shortage.

What Are the Safety Measures to Follow when You Are Using 3 in 1 Dehumidifying Dryer?

Are you tackling some problems?

Here are certain points you must keep in mind while dealing with 3 in 1 Dehumidifying dryer.

  • Clean the desiccant bed every time to avoid the blockage of valves.
  • The possible temperature range for air must be 50 to 60%. It should not drop below 30%, which is too dry. In this way, the humidity controller is checked.
  • Position the desiccant dryer in a straight form and do not tilt. A tilted body results in machine failure or too much noise.
  • Remove the connection when moving the machine to avoid overflowing of the material and contamination on the ground.
  • A moving humidifier must be kept static as it consists of cold coals, which require 4 to 6 hours to retain their initial position.
  • The air filter must be cleaned frequently to increase the life of the machine.
  • Adhesives on the surface of the machine need to clean with soap or water. Restrict use of gasoline, insecticide sprays, or spirits that cause discoloration.
  • Avoid the use of thin rods or wires in machines to prevent any danger.

What Is SSD Series Dehumidifying Dryer?

Dehumidifier dryer comes in various series. Here, you will come to know about the SSD series dehumidifier.

The SSD series dehumidifying dryer performs two functions such drying and dehumidification. The equipment with this series is best known and is used wisely.

The main role of the SDD series is to eradicate PET, PBT, PA as well as PC resins from the materials. The operating temperature is -40⁰C dew point.

SDD series of dehumidifier dryers possess the SD-H series of honeycomb with down blowing design of all stainless-steel insulation drying body.

What Are the Variants of Dehumidifying Dryer?

Various forms of dehumidifying dryers are used by industries to process unique plastic auxiliary products. In this article, you will get to know about various forms of drying and dehumidifying, and they are listed as:

Hopper Dryer of European Form

Such kind of hopper dryer has a serial number SH-D. This specific hopper dryer is used to prevent contamination by making use of stainless steel body.

Euro hopper dryer is featured in the form of a down-blowing style.

The optimum temperature range for such dryers is up to 180⁰C. Such style of hopper dryer is also equipped with the cyclone drain as well as a hot air blower and consists of a two-layered insulation drum.

This design of hopper dryer is made of stainless steel to prevent contamination of inside material.

The external side of such a dryer is made in such a fashionable and decent way and ensures the greater efficiency of the material used.

It is also embellished with a cleaning door which is helpful in cleaning the hopper perfectly.

Hopper Dryer in Standard form

This design of a dehumidification dryer is labeled as an energy-efficient hopper dryer. The serial number of such dryer is shown as SH-D.

This kind of hopper dryer is used to dry non-absorptive plastic materials such as PP, ABS, and PS than PE because it is more absorptive in nature.

The drying temperature reached by such a hopper dryer is up to 160⁰C.

In raw material operation, a standard hopper dryer bursts pressurized air inside the drying barrel with the help of a drying fan.

Honeycomb Dehumidifier

Such a design of dehumidifier is suitable for drying absorptive plastics. The suitable condition for the operation is lower than -40 ⁰C.

The greatest model of such a dehumidifier provides dry air up to a load of 4000 m3per hour.

What do you know about Dew Point Temperature?

The dew point temperature is regarded as the temperature which condenses the mixture of gas at the initial stages combining with the cooling.

Water droplets concentrate on the topsides and expand when the dew temperature is below the required point.

What Is Rotary Dehumidifying Dryer?

It is a part of the dryer used for drying on the principle of driving the rotor slowly through the motor. The rotary dehumidifying dryer utilizes the silica gel on the rotor to absorb the humidity from the environment on the silica gel.

The central part of the dryer is the runner. It is made of ceramic fiber paper having a temperature range of 500⁰C or more than it.

It is then processed into a honeycomb runner and again coated with silica gel (adhesive). Dehumidifying rotor is helpful in making physical attachments. It does not produce toxic chemical substances.

Rotary dehumidifying dryer does not result in deliquescence and burning.

What do You know about the Honeycomb Dehumidifier dryer?

Honeycomb dehumidifier is also known as wheel dehumidifier. Such honeycomb dehumidifier is set in position with the hopper dryer to operate highly absorptive materials.

When this dryer encounters dry materials which are evaporative, they use EOF filters.

Honeycomb dehumidifier dryer work on the ideal temperature of -40⁰C. It is equipped with PLC control and a touch-sensitive man interface.

Honeycomb dehumidifier dryer covers a short place due to its mobile nature.

Working Principle of Dehumidifier Dryer

Clean and compressed plastic material is added to the feeding system of the machine. The motor is set to motion. The motor firstly drives the fan. When the first fan rotates with speed, a large amount of pressurized air is generated with the help of it.

The generated air slowly gets rid of all ductile material and blows into the spiral tube. Shut-up valves are opened, and the dry power falls into the tube.

The current of air blows the powder and plastic simultaneously when they come in contact with the water on ductile material. Moisture is absorbed.

The final end of the motor also rotates the initial gear. Initial gear sets another gear into motion.

When the ductile material moves through the circulating ring of the elastic strips, elastic strips brush the material, and the rotating direction of the plastic material is altered.

In this way, surfaces of the ductile material interact with the dry powder and become dry.

What Are the Applications of Honeycomb Dehumidifier Dryer?

Plastic honeycomb dehumidifier finds their frequently used in various industries. Such as:

  • Underground engineering
  • Factory workshops
  • National defense engineering
  • Libraries
  • Offices
  • Computer rooms
  • Warehouses

The temperature convertible dehumidifier combines dehumidification and refrigeration activities with adaptable cooling effects.

These devices dehumidify the places having a high content of moisture and high temperature and withstand heavy thermal pressure or loads.

The unit is shifted towards the cool air dehumidification status. The heat produces by the unit is released outside the environment via the outdoor section.

Which Safety Regulations Are Used for Honeycomb Dehumidifier Dryer?

Are you facing problems in dealing with the honeycomb dehumidifier?

Following safety measures must be adopted when dealing with it. These are mentioned as:

  • Honeycomb dehumidifier must be placed indoors when the temperature reaches +45⁰C and moisture content below 80%.
  • Do not operate the machine when the string is impaired.
  • Do not use it when it is placed on a damp floor to restrict shock waves.
  • Do not use it when the altitude of the environment is less than 3Km.
  • Do not use the equipment when placed near the flammable origin. Place it 2m away from the hazardous sources.
  • Do not use the equipment when it is giving out noise, vibrations, and magnetic disruption in the operating room.

What Operations Are Required to Maintain Honeycomb Dehumidifier Dryer?

Prior to the initial push, analyze the power cords of the equipment and the exhausts for proper working to avoid any danger.

Clean the filter of the air section of the heater. When the coming heat raises the temperature of the engine oil up to 100⁰C-120⁰C, induced air is operated.

The temperature of the inlet cloth bag has the ability to reach 70⁰C or more which results in suitable rotation of the air. Unloading of the material starts with the initial push, and it cannot be stopped until the material in the cloth bag unloads.

Inspection is needed when the machine is in operation to fix any fault in time. The feeding of the material must be done with care so that any foreign agent may not enter the material accident and cause accidents.

The temperature of the inlet heat oil should not become higher than 250⁰C; otherwise, put it to cool at once.

When you come across noise or vibrations, open the side hole to remove any foreign agent with a magnetic stick that harms the product.

Close the inlet oil ducts when you are short of power to avoid damage and again pout the machine to cool.

When power is off, check the cloth bag. When the air induced is allowed to operate, open the side doors of the main body and check for the sparks. If the sparking continues, spray some mist into it.

When you encounter oil leakage, close the oil valves and deal with the fire at once, and put the radiator to cool.

Honeycomb dehumidifier dryer needs a regular inspection and handling of the material to restrict any danger.

How to Dry and Dehumidify Plastic Material?

Low pressure or vacuum dryers play an essential role in the quick drying of plastic material. Vacuum dryers decrease the bubbling water from 100⁰C to the lowest possible temperature of 56⁰C.

The humidity present in the heated material is removed efficiently with little content of moisture in it.

Low pressure or vacuum dryers dry the plastic material 1/6th time. Vacuum drying is best for ductile materials than conventional drying. This process of drying provides various benefits.

Such a method of drying does not claim for a desiccant and is fruitful in saving the cost and time maintenance and replacement of desiccant.

The low-pressure dryers are quite beneficial in the way that they lessen the chances of material deterioration from exposing it to time taking high-pressure drying machines.

What Are the Disadvantages of Dehumidifier Dryers?

So far we have only mentioned the advantages of equipment. It also presents some disadvantages, which are listed as:

  • Noise and vibrations
  • Costly maintenance
  • Excess heat generation

Explain the Methods of Drying and Dehumidification?

The different methods are used primarily for the drying and dehumidification process. Come learn about such methods.

Dehumidification via Condensation

The process of dehumidification is done involving cooling of moist air below the dew point (-40⁰C). A cool air stream is passed through the exterior side of the temperature shifter.

The increase in temperature is up to 18⁰F to 25⁰F.

Drying via sorption adsorption of fume

This is done through the humid air having hygroscopic desiccant surfaces.

So, if you want to know where to buy the best dehumidifying dryers, Yushine is the right spot.

Yushine is offering you the best quality plastic equipments with the price that fits everyone’s pocket.

Yushine provides you certified equipments.

Yushine loves to create trustful and friendly relation with their customers by providing them with one-stop purchase of dehumidifying dryer.

For more details, contact out company engineers and satisfy yourself.

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