Dehumidifying Dryer

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SDD

Combined dehumidifying and drying system for processing plastic materials

Designed for the plastic processing industry, this dehumidifying and drying system is ideal for handling hygroscopic materials such as PET, PA, and PC. It can be strategically positioned either adjacent to injection molding machines for direct application or within a central material area to facilitate broader operational tasks. For volatile materials, incorporating an EOF oil filter is recommended to enhance safety and operational efficiency.

Features

Features a comprehensive molecular sieve honeycomb rotor that consistently delivers stable, low-dew point air, avoiding the common problems associated with dual-tower dehumidifiers.
The insulated drying hopper is engineered with a downward-blowing air bell mouth and cyclone exhaust, which improves drying efficiency and reduces heat loss, thereby saving energy.
Includes a cooling component in the dehumidifying loop to maintain a low return air temperature and dew point for optimal drying conditions.
Managed by a microcomputer control system that ensures temperature precision within ±1°C, enhancing process reliability.
Equipped with a programmable weekly timer that automates the system's operations, optimizing efficiency and reducing operational workload.

Components

Hopper with photoelectric sensor
Vacuum pipe
Material pipe
Vacuum hopper
Material storage tank
Separator vacuum loader
SDD combined dehumidifying and drying system

Specifications

Model SDD-	Regeneration heater power (kW)	Regeneration blower power (kW)	Drying heater power (kW)	Drying blower power (kW)	Drying air volume (m³/hr)	Insulated hopper (L)	Dimensions (mm) H×W×D	Weight (kg)
40U/40H	3	0.12	4	0.18	40	40	1509×978×931	165
80U/40H	3	0.12	4	0.18	40	80	1796×1060×1030	190
120U/80H	3	0.18	4	0.75	80	120	1817×1061×893	250
160U/80H	3	0.18	4	0.75	120	160	1740×1220×855	255
160U/120H	4	0.18	6	0.75	120	160	2070×1061×893	265
230U/120H	4	0.18	6	0.75	120	230	2052×1210×893	295
300U/200H	4	0.4	12	1.5	200	300	2040×1450×1050	420
450U/200H	4	0.4	12	1.5	200	450	2440×1450×1050	550
600U/400H	7.2	0.75	18	3.75	400	600	2380×1745×1255	620
750U/400H	7.2	0.75	18	3.75	400	750	2610×1745×1255	650
900U/700H	10	1.5	24	7.5	700	900	2640×2140×1380	830
1200U/700H	10	1.5	24	7.5	700	1200	3070×2140×1380	870
Notes: 1) Plastic materials can be fully dried by drying air with dew-point temperature ≤-20°C 2) Power: 3Φ, 400VAC, 50Hz