KIMAIR KDHL Series Heatless Desiccant Dryers

The KIMAIR KDHL Series Heatless Desiccant Dryer utilizes Pressure Swing Adsorption (PSA) principles, using a portion of the dried air to regenerate the desiccant without needing an external heat source. It delivers deeply dried air with pressure dew points reaching -40°C or even -70°C, making it the key solution for eliminating trace moisture vapor in compressed air, suitable for applications with extreme requirements for air dryness.

Category：

Desiccant Compressed Air Dryer

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| Product Details

Video Tutorial

KIMAIR KDHL Series Heatless Desiccant Dryers Principle Explanation Video

KIMAIR Core Advantages

Deep Drying

- Uses high-performance desiccants (alumina/molecular sieves) to achieve a stable, ultra-low dew point output.
Simple Construction

- No heater, resulting in a simple system with fewer potential failure points and high reliability.
Strong Adaptability

- Insensitive to ambient temperature, maintaining high efficiency under low load or intermittent operation.
Easy Maintenance

- Modular design of the adsorption towers facilitates easy inspection and replacement of the desiccant.

Technical Specifications

Model	Capacity	Air inlet / outlet	Dimension(mm)			Weight
Model	Nm³/min	Pipe diameter	L	W	H	Kg
KDHL-1	1.2	1"	910	400	1450	120
KDHL-2	2.4	1"	910	400	1620	120
KDHL-3	3.8	1 1/2"	1000	450	1530	152
KDHL-6	6.5	1 1/2"	1200	500	1850	260
KDHL-8	8.5	1 1/2"	1300	500	1840	280
KDHL-10	10.7	2"	1400	600	2020	465
KDHL-13	13.5	2"	1400	600	2070	480
KDHL-15	18	DN65	1400	600	2100	590
KDHL-20	23	DN80	1670	650	2420	810
KDHL-30	35	DN100	1750	750	2560	1016
KDHL-40	45	DN100	1820	750	2630	1380
KDHL-50	55	DN125	2000	800	2750	1630
KDHL-60	65	DN125	2100	800	2800	1830
KDHL-80	85	DN150	2300	900	2850	2390
KDHL-100	110	DN150	2600	1050	2980	2400

Application Scenarios

- Instrument air, air source for laboratory analytical equipment.

- Anti-freeze protection air source for outdoor equipment in cold regions.

- Plastic pellet conveying, pneumatic powder conveying systems.

- Industries extremely sensitive to moisture, such as specialty gas handling and chemical processes.

Customer Frequently Asked Questions (FAQ)

Q: Is the "purge air consumption" cost of a heatless regenerative dryer very high?

A: Purge air consumption is a necessary cost for deep drying, but the KDHL series, through optimized cycle timing and tower design, keeps this consumption within a reasonable and efficient range. For applications that absolutely require ultra-low dew points, its overall cost (equipment investment + energy consumption) remains competitive compared to other methods.

Q: How often does the desiccant need to be replaced?

A: Desiccant life is typically 2-5 years, depending on inlet air quality, operating load, and environment. Adequate pre-filtration and preventing oil carryover are crucial. Increased system pressure drop or unstable dew point are the main signals for replacement.

Why choose the KIMAIR KDHL Series?

When your process demands exceed the limits of refrigeration drying, the KDHL series provides a deep drying solution without needing an external heat source. With its simple, reliable mechanical structure and automated control, it continuously delivers air as dry as a desert, serving as the cornerstone product for solving high-end drying requirements.