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| The screw type air-cooled heat pump unit developed and produced by Nuobing Refrigeration adopts high-efficiency heat exchange tubes and hydrophilic aluminum sheets, fully exerting the best heat transfer effect; The condenser adopts V-shaped coils and is enclosed at both ends with protective plates, creating a strong sense of three dimensionality; The Nuobing screw type air-cooled heat pump unit can achieve all-weather cooling operation of the screw type air-cooled heat pump unit at ambient temperatures of -10 ℃ to 45 ℃ through optimized design of the refrigeration system and microcomputer control. It is widely applicable to specific process requirements such as precision machinery, communication, medicine, and chemical industry. The surface of the structural components of the screw air-cooled heat pump unit produced by Nuobing Refrigeration is coated with imported automatic spraying equipment for electrostatic phosphating, which has strong corrosion resistance and can adapt to harsh outdoor weather conditions to ensure good surface quality during the service life of the screw air-cooled heat pump unit. The carefully designed unit frame structure is simple and exquisite, and the appearance is elegant and generous. The controller status display, parameter modification, and fault inquiry are all prompted by the Chinese menu, making the operation quite simple. The air-cooled screw heat pump cold and hot water unit adopts a low-speed fan, and the compressor is insulated from noise with a soundproof cover attached with sound-absorbing cotton. It uses a high-performance, low-noise axial flow fan that conforms to aerodynamic principles, which has high efficiency and can maintain good aerodynamic performance even in short air outlet conditions. The capacity of the screw type air-cooled heat pump unit can be intelligently adjusted by PLC according to the load condition, so that the operating capacity matches the actual load to improve the efficiency of the compressor and reduce power consumption. Adopting self correcting intelligent defrosting mode, defrosting is accurate and effective to avoid heat loss. The screw type air-cooled heat pump unit adopts self-control components of European and American high brand refrigerant systems such as Eco and Emerson, with stable quality. The electrical control components and components are made of German brands Siemens and Schneider, with reliable performance. ◆ High efficiency internally threaded copper tubes and aluminum louvered fins are mechanically expanded to tightly connect the copper tubes with the aluminum sheets, achieving the best heat transfer effect. The total heat transfer coefficient is 67% higher than that of ordinary coils,. The aluminum sheets have undergone hydrophilic and anti-corrosion treatment, which can effectively reduce the thickness of the condensed water film during heating operation, lower the thermal resistance of the water film, and improve the heat transfer efficiency of the coil. The unique tube bundle layout of the screw type air-cooled heat pump unit fully considers the changes in refrigerant state, flow rate, and pressure drop under cooling and heating conditions. The condensing coils have high heat transfer performance in both cooling and heating modes, ensuring sufficient subcooling (cooling) and superheating (heating) of the coils. The screw type air-cooled heat pump unit adopts a shell and tube structure, with the latest flame-retardant, waterproof and thermal insulation materials on the exterior for insulation, and a water side pressure resistance of up to 16 liters~ gf／cm2。 The evaporator is equipped with a baffle, and the chilled water flows in a meandering manner along the baffle to increase the deflection effect. The inlet of the evaporator is specially designed to distribute the refrigerant more evenly in each copper tube, in order to improve the overall heat transfer efficiency of the heat exchanger. Adopting the latest internal thread high-efficiency heat exchange tubes, the heat transfer coefficient is 1-3 times that of ordinary high-efficiency heat exchange tubes, and the evaporation and condensation inside the tubes have high heat transfer efficiency to ensure good refrigeration and heating performance of the unit. The yin-yang rotor is processed by a high-precision rotor grinding machine and has the characteristics of high volumetric efficiency, low noise, small vibration, and stable and reliable operation. ◆ Adopting a well-known brand of fluorine resistant motor, the efficiency and reliability are extremely high. The motor is cooled by low-temperature refrigerant, with good heat dissipation and no possibility of leakage. ◆ Optional free cooler, no need to turn on the compressor in winter, using outdoor low-temperature air to provide low-temperature chilled water, saving up to 90% electricity and high efficiency. The air-cooled screw heat pump unit integrates multiple functions, with streamlined equipment, simple construction, no need for dedicated machine rooms, small building area occupation, and low project investment. The unit uses electricity and air energy, without the generation of pollutants such as exhaust gas or waste residue that pollute the environment, providing users with a high-quality living environment. Recycling air conditioning condensation waste heat to reduce environmental heat pollution. The microcomputer controller of the screw type air-cooled heat pump unit can automatically sense the load size of the air conditioning and hot water systems, and adjust the corresponding compressor capacity output according to fuzzy control theory to achieve a balance between the unit capacity and the air conditioning and hot water loads, in order to minimize operating costs. |
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