● Using overflow screw compressor and overflow evaporation heat exchange technology, the energy efficiency ratio of the unit is as high as 5.6;
● Adopt a new type of low-fin overflow heat exchange tube to strengthen heat transfer and optimize refrigerant distributor. The heat transfer coefficient is three times that of the traditional dry evaporator, which effectively improves the refrigeration capacity and energy efficiency ratio of the unit; 〕
● The unit adopts seven-fold safety protection, and the high and low pressure, exhaust temperature and water temperature are monitored in real time to ensure the safe operation of the unit;
● The compressor capacity can be adjusted steplessly according to the change of air-conditioning water temperature through fuzzy principle to match the actual air-conditioning load, and the energy-saving effect is remarkable.
Spiral water (ground) source heat pump unit
● Using overflow screw compressor and overflow evaporation heat exchange technology, the energy efficiency ratio of the unit is as high as 6.4;
● Adopt a new type of low-fin overflow heat exchange tube with strong heat transfer and an optimized refrigerant distributor. The heat transfer coefficient is three times that of the traditional dry evaporator, which effectively improves the refrigeration capacity and energy efficiency ratio of the unit. ]
● The unit adopts seven-fold safety protection, and the high and low pressure, exhaust temperature and water temperature are monitored in real time to ensure the safe operation of the unit;
● The compressor capacity can be adjusted steplessly according to the change of air-conditioning water temperature through fuzzy principle to match the real air-conditioning load, and the energy-saving effect is remarkable.
Spiral low temperature brine device
Special screw compressor for low temperature, stable and reliable operation, low noise, small vibration and high compression efficiency;
● A new high-efficiency heat exchanger with thin teeth and internal threads is adopted, and the heat transfer coefficient is 1.3 times that of ordinary high-efficiency tubes;
● The unit adopts multiple safety protections with high reliability;
● Microcomputer controller with various control functions such as fault diagnosis, energy management, anti-freezing monitoring and operation mode. , to ensure the efficient operation of the unit.
Screw cooler
● Adopting high-reliability screw compressor and new high-efficiency heat exchange technology, the energy efficiency ratio is as high as 5.09;
● A new high-efficiency heat exchanger with thin teeth and internal threads is adopted, and the heat transfer coefficient is 1.3 times that of ordinary high-efficiency tubes;
● The compressor adopts five-fold safety protection to completely prevent the rotor from being stuck and the motor from overheating and burning.
The controller has many control functions, such as state display, parameter setting, energy fuzzy control, fault query and so on.
Environment-friendly overflow screw chiller
● Using overflow screw compressor and overflow evaporation heat exchange technology, the energy efficiency ratio of the unit is as high as 5.7;
● Adopt a new type of low-fin overflow heat exchange tube to strengthen heat transfer and optimize refrigerant distributor. The heat transfer coefficient is three times that of the traditional dry evaporator, which effectively improves the refrigeration capacity and energy efficiency ratio of the unit;
● The unit adopts seven-fold safety protection, and the high and low pressure, exhaust temperature and water temperature are monitored in real time to ensure the safe operation of the unit;
● The compressor capacity can be adjusted steplessly according to the change of air-conditioning water temperature through fuzzy principle to match the actual air-conditioning load, and the energy-saving effect is remarkable.
Overflow high temperature cooler
● With the design of overflow evaporator, the COP can be increased by 15% to realize real energy saving and consumption reduction;
● Screw compressor has few moving parts, reliable operation, low noise and long service life;
● Screw compressor has no unbalanced inertia force and no liquid hammer problem, and the unit can run smoothly for a long time;
● The screw compressor has strong adaptability under variable working conditions, and can run stably within the capacity range of 25%- 100% without being affected by exhaust back pressure;
There is no surge problem of centrifuge, and the part load performance is higher.
Heat recovery screw chiller
● Energy-saving and environmental protection-the unit uses the residual heat condensed during refrigeration to make domestic hot water, without any energy consumption and emission pollution;
● Safe and reliable-gas and boiler are not needed, water and electricity are completely isolated, and there is absolutely no danger of explosion, poisoning and electric leakage;
● Economical and fashionable-using waste heat to recover, hot water will generate zero cost and enter the conservation-oriented society in advance;
Low operating cost-heat recovery can improve the working condition of the unit, improve the operating efficiency and reduce the operating cost of the unit;
● Intelligent control-fully automatic microcomputer control, without manual monitoring, which can realize remote or centralized control and save management cost.
● Modular water-cooled scroll chiller/scroll water source heat pump unit
● Each module unit has an independent refrigeration system and control and protection system, and each module meets the load capacity required by the air conditioner step by step;
● The unit adopts the latest high-efficiency fully enclosed scroll compressor with low noise, small vibration and high energy efficiency ratio;
● The microcomputer controller has many automatic control and protection functions to ensure the reliable operation of the unit in the best condition;
● Under the condition of heat recovery, the refrigeration energy efficiency ratio of the unit can be increased by 5%, and the operating cost is low.
air cooling apparatus
Environment-friendly air-cooled heat pump unit
● Environmentally friendly refrigerant, high efficiency and energy saving;
● It has passed the national energy-saving certification, and the energy efficiency ratio is as high as 3.25.
● Adopt efficient heat exchange tubes and hydrophilic aluminum plates to achieve the best heat transfer effect;
● High-quality steel plate, electrostatic phosphating spraying, firm and generous;
● Movable combination, quiet and comfortable, easy to install and maintain.
Modular air-cooled heat pump unit
● Passed the national energy-saving certification, and the energy efficiency ratio is as high as 3.25;
● Adopt efficient heat exchange tubes and hydrophilic aluminum plates to achieve the best heat transfer effect;
● High-quality steel plate, electrostatic spraying, firm and generous;
● Movable combination, quiet and comfortable, easy to install and maintain.
Multifunctional hot water unit
● The latest high-efficiency fully enclosed scroll compressor is adopted, and the heat exchanger adopts a series of enhanced heat transfer technologies, with high operation efficiency;
● Using microcomputer controller, intelligent control and simple operation;
● The unit can be combined with modules of the same type as required, with a wide range of energy use;
● The function of water heater is added on the basis of air conditioning unit, which realizes the perfect combination of air conditioning and water heater;
● The unit uses electric energy and air energy, and there are no pollutants that pollute the environment, such as waste gas and waste residue, to provide users with a high-quality living environment;
Air cooled heat pump unit
● The unit adopts an open structure, which is very convenient for maintenance and greatly reduces the maintenance space;
● Adopt efficient heat exchange tubes and hydrophilic aluminum plates to achieve the best heat transfer effect; The unit adopts V-shaped coil, and both ends are closed with protective plates, which has a strong overall sense;
● Adopt self-adjusting intelligent defrosting mode to ensure accurate and effective defrosting and avoid heat loss;
● Movable combination, quiet and comfortable, easy to install and maintain.
Air-cooled heat pump is a central air conditioning unit with air as cold (hot) source and water as cold (hot) medium. As an integrated equipment with both cold and heat sources, air-cooled heat pump saves many auxiliary components such as cooling tower, water pump, boiler and corresponding piping system. The system has the advantages of simple structure, saving installation space, convenient maintenance and management, and saving energy, and is especially suitable for areas lacking water resources. Therefore, air-cooled heat pump units are usually the first choice in HVAC engineering design without heating boilers, heating networks or other stable and reliable heat sources, but requiring perennial air conditioning. Centralized and semi-centralized central air conditioning systems, which are composed of fan coil units, air conditioning boxes and other terminal devices, have the advantages of flexible layout and diverse control methods, and are especially suitable for shopping malls, hospitals, hotels, apartments, factories, office buildings and other occasions.
KCA series air-cooled heat pump units of Guoxiang Company are designed and manufactured in strict accordance with national standards GB 18.4, 30 1 and GB 2 1362 on the basis of fully absorbing the latest development technology in the field of refrigeration and air conditioning. The unit adopts high-brand automatic control components of refrigeration system produced by world-renowned manufacturers, and after optimization, the unit can effectively heat in a wider climate. And its rated efficiency is more than three times that of the electric heater in normal operation, and it is especially suitable for East China, South China and Southwest China, especially in the Yangtze River basin where the winter temperature is relatively low and there is no boiler or other heating conditions.
The frame of the unit adopts movable combination, which is convenient for installation and disassembly. Fasteners are made of stainless steel and multi-layer nickel-plated bolt components, which have good anti-rust and anti-corrosion effects.
The surface of structural parts is sprayed with electrostatic phosphating and plastic by imported automatic spraying equipment, which has strong corrosion resistance, can adapt to harsh outdoor climatic conditions and ensure good surface quality during the service life of the unit.
Carefully designed unit frame, simple and exquisite structure, elegant appearance.
The unit adopts open structure, which is very convenient for maintenance and greatly reduces the maintenance space.
The relevant components and system piping of the unit are rationally laid out, and the pipes on both sides of the V-shaped coil are closed with protective nets, which makes the unit feel solid, clear and smooth in appearance and value for money.
Chinese menu prompts are used for controller status display, parameter modification and fault inquiry, and the operation is quite simple.
Adopt the latest semi-closed screw compressor, which is stable and reliable, with little noise and vibration.
The unit adopts a low-speed fan, and the compressor adopts a sound-absorbing cover with sound-absorbing cotton to isolate noise (the sound-absorbing cover is an optional accessory).
Adopting high-performance and low-noise axial flow fan in accordance with aerodynamic principle has high efficiency and can maintain good aerodynamic performance even under the condition of short tuyere.
Both evaporator and condenser coils have high heat transfer efficiency, thus increasing the refrigeration (heating) capacity of the unit and reducing the input power.
Using the latest screw refrigeration compressor, the operation is stable and reliable, and it has strong adaptability to all possible bad working conditions of air-cooled heat pump, simple maintenance and high operation efficiency.
PlD can intelligently adjust the capacity of the unit according to the load situation, so as to match the operating capacity with the actual load, thus improving the working efficiency of the compressor and reducing the power consumption.
Self-correcting intelligent defrosting mode is adopted, which ensures accurate and effective defrosting and avoids heat loss.
Adopt ALC0, S P 0 R L A N, D A N F 0 S and other European and American high-brand refrigeration system automatic control components, with stable quality. The electrical control components are made of SLE, MENS and 0MRON brands, with reliable performance.
The unit is equipped with various protection devices, such as high and low pressure, anti-freezing, oil temperature, oil level, overload, internal overheating and under-reverse rotation, to ensure the safe operation of the unit.
The air volume of condensing fan adopts hierarchical control system, and the operating temperature range of the unit is wide.
Equipped with some heat recovery units, it can provide free domestic hot water while air conditioning is cooling or heating, which is very convenient for owners to use.
The heat recovery device can effectively recover the condensation heat of the compressor, reduce the thermal pollution to the surrounding environment and embody the environmental protection characteristics of circular economy.
High-efficiency internally threaded copper tubes and aluminum louvered fins are used, and the copper tubes and aluminum plates are closely combined by mechanical tube expansion, giving full play to the best heat transfer effect, and the total heat transfer coefficient is 67% higher than that of ordinary coil tubes.
Aluminum plate is hydrophilic and anticorrosive, which can effectively reduce the thickness of condensed water film, reduce the thermal resistance of water film and improve the heat transfer efficiency of coil.
The unique tube bundle fully considers the changes of refrigerant state, flow rate and pressure drop under refrigeration and heating conditions. The condenser coil has high heat transfer performance in both cooling and heating modes, ensuring that the coil has enough supercooling (cooling) and overheating (heating).
Shell-and-tube structure is adopted, and the latest flame retardant, waterproof and thermal insulation materials are used for external insulation. The water-side pressure resistance is as high as 16 l and ~gf/cm2.
The evaporator is equipped with a water baffle, along which the frozen water flows circuitously to increase the deflection effect. The evaporator inlet is specially designed to make the refrigerant distribute more evenly in each copper tube, thus improving the overall heat transfer efficiency of the heat exchanger.
The heat transfer coefficient is 1.3 times higher than that of ordinary high-efficiency heat exchange tubes, and both evaporation and condensation in the tubes have high heat transfer efficiency, thus ensuring good refrigeration and heating performance of the unit.
The male and female rotors are machined by high-precision rotor grinder, which has the characteristics of high volumetric efficiency, low noise, small vibration and stable and reliable operation.
Adopt famous brand fluorine-resistant motor, with high efficiency and strong reliability. The motor is cooled by low-temperature refrigerant, which has good heat dissipation and no possibility of leakage.
Direct motor drive, few moving parts and wearing parts, high mechanical efficiency.
Through the slide valve, the capacity can be adjusted to smoothly adapt to the change of air conditioning load.
Local networking can be realized through simple communication line connection.
All input/output signals and communication data transmission have sufficient anti-interference ability to ensure the stable and reliable operation of the unit.
The controller has many automatic control functions, such as intelligent defrosting, fault diagnosis, energy management, anti-freezing monitoring, operation mode and so on, to ensure the efficient operation of the unit.
It can preheat the water temperature, make the unit start normally, and avoid the compressor starting difficulty caused by too low circulating water temperature in winter.
It can effectively make up for the shortage of heating capacity of the unit when the outside temperature is too low in winter, make the working state of the unit closer to the nominal design working condition, and improve the operating efficiency.
It can effectively make up for the heat loss during defrosting in winter and avoid the influence of water temperature fluctuation on indoor temperature stability.
Through the optimization design and microcomputer control of the refrigeration system, the all-weather refrigeration operation of the unit can be realized at the ambient temperature of 10℃ ~ 45℃, which is widely applicable to specific process requirements such as precision machinery, communication, medicine and chemical industry.
Optional heat pump function, air conditioning and heating in winter.
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, high efficiency and energy saving.
On the basis of conventional air conditioning unit, the hot water function is added, and the perfect combination of air conditioning unit and water heater is realized. The unit has various operation modes, such as air conditioning refrigeration, air conditioning heating, hot water, air conditioning refrigeration+hot water, automatic and so on, with high functional intensity, which reduces the cost of air conditioning equipment.
Provide domestic hot water at 50℃ ~ 58℃ all day, which can completely replace hot water boilers and save investment in hot water boilers.
It integrates multiple functions, simplifies equipment, simplifies engineering construction, does not need a special computer room, and has small construction area and low engineering investment.
The unit uses electric energy and air energy, and there are no pollutants such as waste gas and waste residue that pollute the environment, providing users with a high-quality living environment. Recover the residual heat of air conditioning condensation to reduce environmental thermal pollution.
All-weather operation can be widely used in hotels, institutions, schools, factories, saunas, swimming pools, hotels, beauty salons and other places that need air conditioning and hot water.
In summer, air conditioning and refrigeration can provide completely free domestic hot water. At this time, because the unit is running in water cooling and condensation mode, the refrigeration effect is better, and the comprehensive energy efficiency ratio of air conditioning and hot water is as high as 7.5. In other seasons, the average energy efficiency ratio is as high as 3.6.
Microcomputer controller can automatically sense the load of air conditioning and hot water system, adjust the capacity output of corresponding compressor according to fuzzy control theory, realize the balance between unit capacity and air conditioning and hot water load, and minimize the operating cost.
EVI modular air-cooled heat pump unit
High efficiency and energy saving, higher energy efficiency ratio, help users reduce operating costs.
◆ Silent operation adopts fully enclosed scroll compressor, grooved wheel and low noise and high efficiency axial fan, which makes the operation quieter.
◆ The key components of the unit with stable quality adopt well-known brand products from Europe, America and Japan, with reliable quality.
Easy to operate, fully automatic microcomputer control, remote or centralized control, no need to manually monitor the air handling unit (horizontal, vertical, suspended).
● tenon joint (patent) is adopted between structural panels of double-column metal insulation board, which has no cold bridge and good insulation and air tightness;
● The outer panel of the unit is made of high-quality color steel plate, and the color steel plate is covered with film. After the panel is assembled and formed, the right-angle seam is arc structure, and the appearance is clear and smooth;
All box plates are connected by bolts and nuts, which is convenient for disassembly;
● The coil adopts imported seamless copper tubes for refrigeration and air conditioning and pure aluminum spoiler aluminum fins, and the end plates are connected with unique flanges.
fan coil
● High-purity seamless copper tube, louver sine wave hydrophilic aluminum radiator and 12 Mpa hydraulic expansion tube are used to ensure the close combination of copper tube and aluminum plate, and the heat transfer efficiency of the coil is higher;
● Adopt fire-proof ABS wind wheel, which has good dynamic-static balance, small starting torque, Pittsburgh splicing and no air leakage;
● The electrode adopts oil-bearing sliding bearing, which makes the noise less;
● Hydraulic tube expansion ensures uniform tube expansion of copper tubes without leakage;
● The water tray is integrally stamped and formed, with external integral PE and full insulation;
● Light weight, the left and right models can be easily replaced on site, and the installation and maintenance are convenient.
Modular combined air conditioning unit
The tenon-double-column modular combined air conditioning unit for ace air conditioning adopts tenon-double-column double-sided metal insulation board structure (patented).
● The panel frame adopts patented aluminum alloy structure.
● The coil adopts imported seamless copper tube for refrigeration and air conditioning and pure aluminum spoiler aluminum fin, 14Mpa hydraulic expansion tube, which can adapt to any high-pressure pipeline without water leakage, ensure the minimum contact thermal resistance and high heat transfer efficiency;
● The box plates are all connected by bolts and nuts, which is convenient and quick to assemble and disassemble on site;
● The interior is smooth and flat, and it is not easy to accumulate dust. Direct expansion air conditioning unit suitable for purification places.
Patented integral double-layer cover plate structure ensures strong strength, no cold bridge, and rust-proof screws are used as fasteners, which has good rust-proof effect;
● Adopt the latest fully enclosed scroll/semi-enclosed screw compressor, with stable and reliable operation, low noise and small vibration;
● The unit adopts low-speed fan, and the semi-closed screw compressor adopts sound-proof cover with built-in tooth-shaped sound-absorbing foam to reduce noise;
The heat exchanger has excellent heat transfer efficiency, thus increasing the refrigeration (heat) capacity of the unit, reducing the input power and improving the energy efficiency ratio of the unit.
Special air conditioning unit for computer room
Adopt the most advanced fully enclosed scroll compressor, with stable operation, low noise and high energy efficiency ratio;
High-purity seamless copper tube and aluminum double louvered fins are adopted, which has high heat transfer efficiency;
● Stainless steel brazed plate heat exchanger or sleeve heat exchanger is adopted, which has high heat exchange efficiency, small volume, small water pressure drop and small refrigerant filling amount.
Cabinet constant temperature and humidity air conditioner
● The patented unit frame is simple and exquisite in structure, elegant and elegant in appearance, and integrated with the air conditioning environment;
● Adopt the latest and brand-new closed low-noise compressor and double sound insulation structure design, so the noise of the unit is extremely low;
● The evaporator adopts high-purity copper tube with internal thread and hydrophilic louver aluminum fins, and the heat transfer coefficient is 67% higher than that of ordinary evaporator;
Low controller status display, use and operation is quite simple;
Air-cooled pipeline air conditioner
● The indoor unit adopts double-wall polyurethane foam board, which is beautiful and clean;
● Multi-system design of outdoor unit can realize energy adjustment;
● LCD wire control+card remote control, simple operation;
Hydrophilic aluminum foil enhances heat exchange and corrosion protection.