Product Overview

Low Dew Point Desiccant Dehumidifier is an industrial air treatment system designed for ultra-low humidity environment control. By using advanced desiccant rotor technology and continuous regeneration processes, the system efficiently removes moisture from air and provides stable low dew point conditions.

The system can achieve a stable dew point level of -40°C to -60°C, meeting the strict humidity control requirements of lithium battery manufacturing, semiconductor production, pharmaceutical processing, precision electronics, and other high-end industries.

Compared with traditional refrigeration dehumidifiers, desiccant rotor dehumidification technology maintains excellent moisture removal performance under low temperature and extremely dry conditions. It is a key solution for industrial dry rooms and critical manufacturing processes.

System Configuration: Typically consists of a desiccant rotor module, regeneration heating system, process air section, filtration system, fan system, and intelligent control system. Customized solutions are available according to different process requirements.

Product Parameter

（Use our Industrial Dehumidifier Selection Tool）

Main Parameters of ZCH Series LDP Desiccant Dehumidifier
Parameter Item	Unit	ZCH-D/Z-1000	ZCH-D/Z-1500	ZCH-D/Z-2000	ZCH-D/Z-2500	ZCH-D/Z-3000	ZCH-D/Z-4000	ZCH-D/Z-5000	ZCH-D/Z-6000
Process Airflow	m³/h	1000	1500	2000	2500	3000	4000	5000	6000
Supply Air Parameters	/	Temp. T=15~25℃, Dew Point T_d ≤ -60℃
Process Fan Power	kW	1.1	2.2	2.2	3	3	4	5.5	7.5
Process Air (ESP)	Pa	≥ 600
Reg. Fan Power	kW	0.25	0.75	0.75	0.75	1.1	1.1	1.5	1.5
Reg. Air (ESP)	Pa	≥ 300
Fresh-Air Reg. — Electric	kW	1.5	3	3.6	6	7.2	9	10.8	12
Fresh-Air Reg. — Steam	kg/h	6	8	10	12	15	18	22	24
Low-Humid. Reg. — Electric	kW	6	7.2	9	10.8	14.4	18	21.8	24
Low-Humid. Reg. — Steam	kg/h	12	15	18	22	30	36	44	48
Steam-Pressure	MPa	0.4
Max. Power — Electric	kW	9	13.3	15.7	20.7	25.9	31.3	39.8	45.2
Max. Power — Steam	kW	1.5	3.1	3.1	3.9	4.3	5.3	7.2	9.2
Power Supply	/	3P-380V-50HZ (Customized)
Cooling capacity	kW	20	24	30	36	45	60	75	90
Dimension — L	mm	3650	4200	4500	6900	6900	7200	7200	7500
Dimension — W	mm	1000	1215	1250	1315	1410	1505	1600	1745
Dimension — H	mm	1250	1350	1420	1445	1540	1635	1730	1825
Weight	kg	800	1000	1100	1200	1500	1800	2000	2200

Working Principle of Low Dew Point Desiccant Dehumidifier

The Low Dew Point Desiccant Dehumidifier uses a honeycomb desiccant rotor as the core moisture removal component. When process air passes through the rotor, moisture molecules are absorbed by the desiccant material, producing dry air with low humidity levels for the production area. As the rotor continuously rotates into the regeneration zone, heated regeneration air removes the absorbed moisture and exhausts it outside the system. The rotor is then regenerated and ready for continuous operation. By precisely controlling regeneration temperature, rotor speed, and airflow balance, the system can maintain stable ultra-low dew point performance for 24-hour continuous operation.

Key Features

Stable dew point performance from -40°C to -60°C
Designed for ultra-low humidity industrial environments
Continuous adsorption and regeneration operation
Reliable 24/7 industrial operation
PLC intelligent control system
Optional remote monitoring and centralized control
Modular design for easy maintenance
Customized design according to project requirements

Technical Advantages

The Low Dew Point Desiccant Dehumidifier uses high-performance silica gel or molecular sieve desiccant rotors as the moisture removal core. Through advanced adsorption materials and precise regeneration control technology, the system continuously removes moisture from air and achieves extremely low dew point conditions that traditional cooling dehumidification systems cannot reach. It helps prevent material moisture absorption, oxidation, and process instability, improving product quality and manufacturing reliability.

Applications(Low Dew Point Requirements)

Lithium battery dry rooms and battery manufacturing
Semiconductor fabrication and packaging
Precision electronic manufacturing
New energy material processing
Aerospace material treatment
Advanced laboratories and research facilities

Technical Specifications

The Low Dew Point Desiccant Dehumidifier is available in various airflow capacities and can be customized according to customer process requirements. Standard test conditions: Process air temperature: 35°C Relative humidity: 65%RH Regeneration temperature: 130-150°C Special configurations are available based on required airflow, dew point level, installation conditions, and industrial applications.

FAQ

What is a Low Dew Point Desiccant Dehumidifier?

A Low Dew Point Desiccant Dehumidifier is an industrial drying system that uses adsorption rotor technology to remove moisture and achieve extremely low humidity environments, typically reaching -40°C to -60°C dew point.

Where are low dew point dehumidifiers used?

They are widely used in lithium batteries, semiconductors, pharmaceuticals, electronics, and other industries requiring strict humidity control.

Why choose desiccant dehumidification instead of refrigeration dehumidification?

Refrigeration dehumidifiers lose efficiency at very low humidity levels, while desiccant rotor systems can continuously remove moisture and maintain stable ultra-low dew points.

Can the system be customized?

Yes. The system can be customized according to airflow capacity, dew point requirements, production processes, and installation conditions. For more information about humidity control standards,please refer to ASHRAE.

Need help selecting the right desiccant dehumidifier?

Use our Industrial Dehumidifier Selection Tool.

Low Dew Point Dehumidifier Selection Resources

Before selecting equipment, review the low dew point dehumidifier selection checklist and the lithium battery dry-room application. These resources explain the dew-point target, airflow, moisture load, regeneration and leakage data required for a reliable system proposal.