High Performance Desiccant Dehumidifier Movable For Shipyard Painting 

Why shipyards need this dehumidifier

Click here to get more.

Dehumidifiers are essential in shipyard painting works for several important reasons related to ensuring high-quality and durable coatings:

1. Preventing Moisture on Surfaces:

   • When humidity is high, moisture can condense on the ship's surface, especially on steel, leading to flash rusting.
   • Painting over a moist or wet surface can result in poor adhesion and premature failure of the coating.

2. Controlling Ambient Conditions:

   • Paint application often requires specific temperature and humidity conditions for optimal curing and bonding. High humidity can slow or prevent the curing process of certain paints, especially those that are solvent-based or epoxy coatings.
   • Dehumidifiers help maintain the required ambient conditions, ensuring the paint sets properly.

3. Enhancing Worker Safety:

   • High humidity can make the work environment uncomfortable, reducing worker efficiency and safety. A dehumidified space ensures better working conditions.

4. Reducing Corrosion During Preparation:

   • Steel surfaces exposed to high humidity after surface preparation (e.g., sandblasting) are prone to quick oxidation. Dehumidifiers prevent this by maintaining dry conditions until the coating is applied.

5. Improving Paint Quality and Longevity:

   • Controlling humidity ensures a consistent application and finish, reducing issues like bubbling, blistering, or cracking in the paint over time.

By maintaining a controlled environment with dehumidifiers, shipyards can achieve better results, reduce costs associated with rework, and ensure compliance with quality and durability standards.

In shipyard painting projects, achieving the optimal environmental conditions is crucial for ensuring high-quality, durable coatings. The High-Performance Desiccant Dehumidifier is a cutting-edge solution specifically designed to address the unique challenges of humidity control in shipyard environments. With its movable design, this dehumidifier is tailored for ease of use, efficiency, and reliability, making it an essential tool for surface preparation and coating applications.

Our solutions(models)

ATZZ Movable Combient dehumidifier units Unit's data Process airflow m3/h Cooling capacity kW 120 180 240 300 360 Heater capacity Kw 54 81 108 135 162 Temp&humidity control range T=18-25℃±3℃, RH≦45% Working condition T=-10-45℃, RH≦95% Supply air pressure Pa ≥ Supply  380V/50Hz/3Ph Max power kw 102 162 215 264 323 Noise dB 75 78 80 81 82 Process
air
system Air filter Type Metal net  Fan Type Centrifugal Qty 1 1 1 1 1 Power kw 7.5 11 15 18.5 22 Regen.
air
system Air filter Type Metal net  Fan Type Centrifugal Qty 1 1 1 1 1 Power kw 1.1 1.5 1.5 2.2 3 Rotor
device Rotor Type HPS Gear motor Power kw 0.04 0.06 0.09 0.1 0.1 Refrigerant system Compressor Type Screw type Qty 1 1 1 1 1 Power kw 30 45 60 75 90 Evapretor Type Copper tube +aluminum fin Cooling fan Type Axial-flow type Qty 1 1 1 2 2 Power kw 7.5 11 11 22 22 Condenser Type Copper tube +aluminum fin Refrigerant Type R410a Throttling mode Thermostatic expansion valve Heating system Type Heating pipe Heating power kw 54 81 108 135 162 Others Size L mm W/D mm H mm Weight kg Dry air outlet Qty&diameter mm 4-Φ200 4-Φ250 4-Φ300 6-Φ300 6-Φ300

Photos

Key features:

1. Combines two major dehumidification technologies, refrigeration and desiccant(adsorption) tech; 
2. Equipped with fully automatic and manual control system; 
3. Equipped with a post heater, which can effectively increase the room temperature during cold season; 
4. Inlet conditions: T=-10℃~40℃, RH=50~95%; 
5. Outlet conditions: 25+3℃℃, relative humidity RH≤45%; 
6. The refrigeration system adopts imported semi-enclosed twin-screw compressors; 
7. The desiccant rotor adopts the most advanced products from Sweden; 
8. Strengthen the safety system; equipped with leakage, phase protection, low voltage, overload and automatic protection

of high and low pressure of the refrigeration system; 
9. Fully welded frame structure, rainproof, anti-collision, easy to hoist, ideal for confined spaces, such as ship interiors, and open area alike; 
10. High outlet residual pressure, multiple air outlets, independent adjustment, easy to use and maintance; 

Structure drawings

Applications

•Same as its name: High Performance Desiccant Dehumidifier Movable For Shipyard Painting, so, mainly for shipyard

or other ship repair shops, process including, 

• Surface Preparation:
  • Prevents flash rusting on steel after blasting or cleaning.
• Paint Application and Curing:
  • Maintains optimal humidity levels to ensure proper paint adhesion and curing.
• Storage Areas:
  • Keeps tools, equipment, and materials dry to prevent moisture-related damage.

Except the shipyards, it is suitable for many other conditions, such as:

•also suitable for some place with low temperatures, especially combined with low humidity

•Pharmaceutical production, packaging, storage, testing and research

•Pumping stations

•Food and Confectionary production and packing

•Clean rooms

With competitive price and timely delivery, Ant sincerely hope to be your supplier and partner.

•Electronic manufacture

Certificates

ISO ; CE, CCC......

Other regular desiccant dehumidifier models(m3/h to m3/h, and larger models can be customized)

Model ATZ- ATZ- ATZ- ATZ- Voltage 380V/50HZ/3P Power 32kw 64.8kw 103kw 135.1kw Capacity(at 26℃&80%) 23kg/h 40kg/h 63.2kg/h 85.6kg/h Process air Rated airflow m³/h m³/h m³/h m³/h External residual pressure 500Pa 600Pa 200Pa 250Pa Connection inlet Ø 400*620mm 400*620mm 630mm 650*mm Connection outlet Ø 410*207mm 410*207mm 630mm 650*mm Reactivation air Rated airflow m³/h m³/h m³/h m³/h External residual pressure 500Pa 600Pa 200Pa 200Pa Connection inlet  400*400mm 400*400mm 614*650mm 253*453mm Connection outlet  120*120mm 120*120mm 614*650mm 253*453mm Other data Machine size **mm **mm **mm **mm Weight  500kg 500kg+ 400kg+ 500kg+ Filter G4 (customizable)

The Shipbuilding Type Dehumidifiers are used for drying air of up to 95% relative humidity (RH) with temperatures from +15ºC to +40ºC. It is widely used in the area of Southeast Asia, South America with tropic and sub-tropic climate.

The applications are numerous and wide spread. Below are some examples:

- Surface treatment during internal blasting and painting of tanks

- Shipping industry, both for permanent and temporary applications

- Controlling humidity levels in production processes

- Protection of equipment sensitive to corrosion

- Climatic improvements in damp areas

The dehumidifier is delivered as a complete unit with fans, filters, condenser, evaporator, compressor and controls. The dehumidifier is ready for site installation and connection to standard-size ducting. Each dehumidifier will be custom designed according to the local conditions and the needs of the customer

Note (All Models):

1. Power supply: 3-phase plus earth 380V/ 415V / 50 Hz

2. Refrigerant: R22, OTHER REFRIGERANT FOR OPTIONAL SUCH AS R134A

3. Cooling step control: 25%~50%~75%~100%

4. Cooling Media: Air

5. Discharge condition: 25 ± 3 °C/RH below 45%

6. We have the policy to improve our equipment continuously & shall reserve the rights to change the dimensions and specs without prior notice.