Rotor desiccant dehumidifier (Standard D Energy-efficient）Air Flow 2500m3/h ~3500m3/h product characters:

DH: Duokai dehumidifier

1. Excellent quality. The unit adopts the double-frame design of anti-cold bridge, the frame structure of the unit is simple and exquisite, the appearance is dignified and generous, and the air tightness is strong; the interior of the unit is flat, not easy to accumulate dust, and has no secondary pollution, which is suitable for purification. The regeneration of the unit adopts a dehumidification waste heat recovery system, which improves the regeneration capacity and reduces the regeneration temperature to achieve maximum energy-saving operation. Select first-class accessories and use unique craftsmanship for fine production; ensure the quality of the unit.

2. Intelligent control, high efficiency and energy saving: The unit uses the existing mature waste heat recovery technology to recover waste heat for regeneration and dehumidification; and can use low-quality energy or renewable energy; it can be used to replace the consumption of high-quality energy to save operating costs; Duokai can Provide professional dehumidification automatic control solutions according to customer requirements, so that each unit can operate economically, efficiently and reliably to meet customer process requirements. Combined with the recent cloud centralized control APP system, the big data platform is used to realize the functions of fortune viewing, monitoring, setting and real-time data recording of the fortune. 

3. On-site assembly, convenient and fast: All the box panels of the unit can be easily disassembled and assembled on site, even if they are assembled  multiple times, the sealing and strength of the box will not be affected; and the whole machine or parts can be transported according to customer needs. 

4. Professional and comprehensive solutions: our company can provide system integration solutions; use wet energy technology to comprehensively consider customer needs; while meeting customer needs to the greatest extent, try our best to save input costs and operating costs for customers.

Working Principle:

The desiccant dehumidifier is a device that uses a rotary wheel made of solid hygroscopic agent for rotary dehumidification. The rotary wheel is covered with honeycomb-shaped flow channels. The wall itself contains solid hygroscopic agent (silica gel and zeolite molecular sieve). When it is cooled by air, its corresponding water vapor partial pressure is less than the water vapor partial pressure of the treated air, in which the water vapor is adsorbed into the hygroscopic agent, and at the same time, the sensible heat of the runner itself and the adsorption heat generated by the adsorption increase the air temperature. With the rotation of the runner, the moisture absorption of this part of the flow channel is gradually saturated. When these moisture-absorbing flow channels rotate to the regeneration zone, hot air flows through these honeycomb flow channels, and the flow channel walls containing solid moisture absorbent are heated, which corresponding to the partial pressure of water vapor is higher than the partial pressure of water vapor in the regeneration air, the water in the hygroscopic agent is driven out. With the rotation and desorption of the runner, the honeycomb-shaped hygroscopic agent flow channel restores the hygroscopic ability. It is rotated to the dehumidification zone, and so on and on, the dehumidification process can continue.

Ordinary combined desiccant dehumidification unit uses the principle of freezing cooling and dehumidification combined with the runner to remove a large amount of shallow water for the system and provide good dehumidification conditions for the rear runner. The runner is used to remove a small amount of deep water,so that it reaches maximum energy saving operation. The low dew point type needs to be treated with two-stage rotor regeneration cold blowing to ensure the best dehumidification effect.

 Electrical control system: The components of the circuit part are composed of the PLC controller. The PLC controller has set the relevant programs. The controller can control the various parts of the constant temperature and humidity machine by controlling the various electrical components of the circuit part. Currently, the PLC controller of our company's constant temperature and humidity machine adopts PID fuzzy processing technology, the control precision is very high, the temperature response sensitivity of the controller is ±0.01℃, and the humidity response sensitivity is ±0.1%. 

The main design details are as follows:

①: The single-machine runner adopts double-layer plywood design, which has good heat preservation and

 noise reduction and no leakage.

②: The combined type adopts the patented anti-cold bridge aluminum alloy frame and polyurethane foam board; there is no cold bridge and no leakage.

③: Snap design, no screwdriver maintenance, easy to replace the filter; better sealing.

④: The regeneration area and the treatment area are set in the upper and lower areas, which is convenient for maintenance and eliminates cross-wind.

⑤: Special steel wire synchronous belt drive, stable, noise-free and friction-resistant; no mechanical noise, reducing energy consumption.

⑥: It is convenient to fix both sides of the feet, and the unit can be set along the wall; reducing the point use of the unit for the effective indoor area.

⑦: For regeneration, a dehumidification condensation waste heat recovery system is added to improve the dehumidification efficiency of the runner and reduce the regeneration heating temperature.

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