Drying and Dehumidifying

Auxiliaries
Haitian dehumidifying and drying systems are designed for reliable material preparation in plastics processing. From integrated dehumidifying, drying, and conveying units to hopper dryers and compact drying loader combinations, the portfolio covers different material characteristics, throughput requirements, and installation setups.
With a focus on stable drying performance, efficient operation, and practical integration on the shop floor, Haitian supports consistent processing conditions and more controlled production results.

3-in-1 Models

The HTDL series combines dehumidifying, drying, and conveying in one integrated system for reliable material preparation of hygroscopic engineering plastics. With different configurations for capacity, energy use, and process requirements, the series supports stable drying performance, efficient operation, and flexible integration in plastics processing.

HTDL-30 F-1000 F

The HTDL Rotary Three-in-One Unit combines dehumidifying, drying, and conveying in one system for hygroscopic engineering plastics. It provides low-dew-point drying down to -40°C and supports stable, energy-efficient material preparation.

  • -40°C low dew point
  • Three-in-one dehumidifying, drying, and conveying
  • Hot air recovery for lower energy use
  • Closed-loop system against moisture return
  • Insulated barrel for better drying efficiency
  • Honeycomb rotor with long service life
  • RS485 interface for centralized monitoring

 

HTDL-30N – HTDL-800N

The HTDL Non-Heat Three-in-One Unit provides low-dew-point drying down to -40°C for hygroscopic engineering plastics. It combines stable drying performance with efficient operation and simplified maintenance.

Haitian Smart Solutions Auxiliary HTDL 50N
  • -40°C low dew point
  • Three-in-one dehumidifying, drying, and conveying
  • Non-heat regeneration system
  • Hot air recovery for energy savings
  • Closed-loop system against moisture return
  • Insulated barrel for higher drying efficiency
  • RS485 interface for centralized monitoring

 

HTDL-25EF/EN – HTDL-600EF/EN

The HTDL EF/EN series is a three-in-one system for dehumidifying, drying, and conveying moisture-sensitive plastics. It supports precise temperature control, clean material handling, and reliable drying performance.

Haitian Smart Solutions Auxiliary HTDL 25EF EN
  • Three-in-one dehumidifying, drying, and conveying
  • For PET, PA, PC, and similar materials
  • Microcomputer and PID temperature control
  • Stainless steel barrel
  • Hot air recovery
  • Closed-loop conveying system
  • RS485 interface for centralized monitoring

 

HTDL-50YN-A – HTDL-300YN-A

The HTDL Energy-Saving Three-in-One Unit combines dehumidifying, drying, and conveying in one compact system. With low-dew-point drying down to -30°C, it is designed for efficient material preparation with reduced energy consumption.

Haitian Smart Solutions Auxiliary HTDL 50YN A
  • -30°C low dew point
  • Three-in-one dehumidifying, drying, and conveying
  • Energy-saving heating concept
  • Reversible fan with shared air path
  • Hot air recovery
  • Closed-loop system against moisture return
  • RS485 interface for centralized monitoring

 

Dryers

The HTHD drying portfolio provides practical hopper drying solutions for different material, energy, and installation requirements in plastics processing. From standard machine-side dryers to insulated and energy-saving versions, the range supports reliable material drying, efficient operation, and flexible integration on the shop floor.

Hopper Dryer HTHD-50MHL

The HTHD-50MHL is a cost-efficient hopper dryer for machine-side drying of plastic raw materials. Its direct-mount design saves space and supports reliable daily operation.

  • Direct-mount design for molding machines
  • For moisture-affected virgin and regrind materials
  • Uniform hot air distribution
  • Digital PID temperature control
  • Stainless steel barrel and internal parts
  • Easy cleaning and fast material change
  • Overtemperature protection
  • HL version with LCD, timer, and networking

 

European-style hopper dryer HTHD-50EU

The HTHD-50EU is a European-style hopper dryer with insulated barrel design for stable and uniform material drying. It is designed for efficient drying performance across a wide capacity range.

Haitian Smart Solutions Auxiliary HTHD 50EU
  • Double-walled insulated barrel
  • Downward airflow for uniform drying
  • Digital PID control with status display
  • Overtemperature safety protection
  • Weekly timer for energy-saving operation
  • Cleaning door on larger models
  • Magnetic base or floor stand, depending on model

 

Energy-saving hopper dryer HTHD-25ESE – HTHD-400ESE

The HTHD-ESE series is an energy-saving hopper dryer for efficient machine-side material drying. Its downward airflow design helps reduce heat loss and improve drying efficiency.

Haitian Smart Solutions Auxiliary HTHD 25ESE 400ESE
  • Energy-saving structure
  • Downward airflow design
  • Up to 170°C drying temperature
  • Direct-mount machine-side installation
  • Stainless steel barrel and piping
  • Overtemperature protection
  • Reduces workshop heating

 

Energy-saving hopper dryer HTHD-25ESH – HTHD-400ESH

The HTHD-ESH series is an energy-saving hopper dryer with integrated control and networking functions. It supports efficient machine-side drying with stable process control.

Haitian Smart Solutions Auxiliary ESH
  • Energy-saving structure
  • Downward airflow design
  • Up to 170°C drying temperature
  • Direct-mount machine-side installation
  • Stainless steel barrel and piping
  • Overtemperature protection
  • Digital PID control
  • LCD display and networking

 

Energy-saving hopper dryer HTHD-25ESP – HTHD-400ESP

The HTHD-ESP series combines energy-saving drying with variable-frequency fan control for lower energy consumption. It is designed for efficient drying and more advanced control in daily production.

Haitian Smart Solutions Auxiliary ESP
  • Variable-frequency fan control
  • High energy-saving potential
  • Downward airflow for uniform drying
  • Up to 170°C drying temperature
  • Stainless steel barrel and piping
  • EGO overtemperature protection
  • Digital PID control
  • LCD display and networking

 

Drying Feeder

HTLD-50MHL/1.5P HUL

The HTLD drying loader combination integrates drying and conveying in one compact unit. The dryer and loader are connected by an L-type bracket and equipped with a suction box and casters for flexible machine-side use. This integrated design simplifies installation, saves space, and allows convenient use directly in production.

Highlights

  • Integrated drying and conveying
  • Compact machine-side design
  • L-type bracket connection
  • Suction box included
  • Casters for flexible positioning
  • Easy installation and operation