China supplier Air Cooled Chiller Scroll/Screw Compressor High Efficiency Modular air compressor oil

Product Description

1. Special heat exchanger surface.
2. Ultra-efficient double-sided enhanced heat transfer tubes.
3. German semi-closed twin screw compressor.
4. The world’s most advanced electronic expansion valve.

Patented Design Of Open-Window Hydrophilic Aluminum Foil + Bottom Elevated + One-Way Valve

Low temperature cooling 5ºC~48ºC

High temperature Heating -15ºC~48ºC

Chiller standard with RS485 interface and MODBUS RUT protocol that enables WiFi remote control.
The waterside efficient shell and internal thread heat exchanger is of helical baffle type, with better heat transfer performance and higher resistance to freezing than plate heat exchanger.

1. The most authoritative certification of the US refrigeration industry: AHRI
2. The most authoritative certification of China’s refrigeration industry: CRAA
3. China Product Quality Certification: CNAS

 

TASD-AC1 110.1 145.1 170.1 210.1 230.2 260.2 285.2 335.2
Cooling capacity kW 385 505 601 730 808 909 1001 1171
kcal/h 331100 434300 516860 627800 694880 781740 860860 10571
Cooling input power kW 123 159 189 233 254 285 319 371
Cooling rated current A 219 288 341 419 479 507 578 665
Maximum starting current A 615 845 845 965 1102 1264 1358 1358
Maximum operating current A 419 513 523 521 900 932 1026 1026
Power 380V 3N~ 50Hz
Water side heat exchanger Type High efficiency shell and tube water side heat exchanger
Cooling water flow m3/h 66 87 103 126 139 156 172 201
Pipe DN DN 125 125 125 150 150 150 150 200
Water pressure drop kPa 40 53 56 57 68 72 73 70
Water side pressure MPa 1
Compressor Type Semi-closed screw
Energy adjustment range 25%-100%Four-level adjustment 12.5%-100%Eight-level adjustment
Startup type Star triangle connection
Fan Air volume m3/h 150000 200000 250000 250000 350000 350000 400000 400000
Quantity Set 6 8 10 10 14 14 16 16
The refrigerant Type R134a
Number of working systems   1 2
Charge kg 86 100 115 150 186 186 200 230
Dimensions Length mm 3787 4792 5797 5797 8707 8707 9712 9712
Width mm 2250
High mm 2420 2480
Hydraulic module (optional) Built-in hydraulic module (optional) Pumps, expansion tanks, filters, safety valves, pressure gauges, butterfly valves, etc.
Pump type Centrifugal single or dual pump (optional)
Shipping weight kg 4350 4690 5500 6050 7850 7980 9200 9550
Running weight kg 4550 4910 5750 6340 8190 8340 9590 9980

Delivery

TIME OF DELIVERY:Within 35 days after receiving deposit .

 

Payment

Support T/T , L/C,Aalibaba

 

Warranty

1) The whole chiller for 1 years,the compressor for 3 years.

2) Compressor brands vary according to model and actual needs, and conventional models use BITZER compressors.

 

After-sale

During the warranty period, machines which cannot run due to quality problems,Choose the following options.

1) During the one-year warranty period, non-human factors cause product quality problems, and provide parts replacement and repair and maintenance services.

2) In addition to the one-year warranty period, parts replacement and repair and maintenance services are provided at the user’s expense.

 

Promotion Method

1) Pay the full amount in 1 lump sum, 1% discount.
2) Recommend other customers to buy and return a part of the commission. 

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After-sales Service: 5 Years
Warranty: 5 Years
Type: Chiller
Air Tube Material: Galvanized Sheet
Corrosion Durability: Ultrahigh
Operating Voltage: 380/400 VAC
Customization:
Available

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air compressor

What Is the Lifespan of a Typical Screw Compressor?

The lifespan of a typical screw compressor can vary depending on several factors, including the quality of the equipment, maintenance practices, operating conditions, and usage patterns. Here’s a detailed explanation:

The lifespan of a screw compressor is typically measured in operating hours, which refers to the cumulative hours the compressor has been in operation. While it’s challenging to provide an exact lifespan, as it can vary significantly, screw compressors are generally designed to have a long service life, often ranging from 20,000 to 100,000 operating hours.

Several factors can influence the lifespan of a screw compressor:

  • 1. Quality of Construction: The quality of construction and materials used in the compressor’s manufacturing plays a crucial role in its lifespan. Compressors built with high-quality components and robust construction tend to have a longer service life compared to those with lower-quality materials.
  • 2. Maintenance Practices: Regular and proper maintenance is essential to extend the lifespan of a screw compressor. Following the manufacturer’s recommended maintenance schedule, including tasks such as oil changes, filter replacements, and inspection of critical components, helps ensure optimal performance and reliability. Neglecting maintenance can lead to premature wear and potential breakdowns.
  • 3. Operating Conditions: The operating conditions in which the compressor operates can impact its lifespan. Factors such as temperature, humidity, and the presence of contaminants in the ambient air can affect the compressor’s performance and longevity. Compressors operated in clean, well-ventilated environments with controlled temperature and humidity conditions tend to have longer lifespans.
  • 4. Load and Usage Patterns: The load and usage patterns of the compressor also influence its lifespan. Compressors operated at or near their maximum capacity for prolonged periods may experience higher wear and tear compared to those operated within their recommended operating range. Compressors subjected to frequent start-stop cycles or continuous operation may have different lifespans based on the stress placed on their components.
  • 5. Maintenance and Repairs: The response to maintenance and repair needs can impact the compressor’s lifespan. Timely addressing of maintenance issues and prompt repairs when faults or malfunctions occur can prevent further damage and help prolong the compressor’s lifespan.
  • 6. Manufacturer and Design: The reputation and expertise of the manufacturer play a role in determining the compressor’s lifespan. Established manufacturers with a track record of producing reliable and durable equipment often design their compressors to have longer lifespans. It’s advisable to choose compressors from reputable manufacturers known for their quality and reliability.

It’s important to note that while a screw compressor may have a designed lifespan, it doesn’t necessarily mean it will fail immediately after reaching that threshold. With proper maintenance and care, compressors can often exceed their expected lifespan. On the other hand, neglecting maintenance or subjecting the compressor to harsh operating conditions can shorten its lifespan.

Regular monitoring of the compressor’s performance, including parameters such as discharge temperature, vibration levels, and energy consumption, can help identify any potential issues and take corrective actions to maintain the compressor’s reliability and extend its lifespan.

In summary, the lifespan of a typical screw compressor can range from 20,000 to 100,000 operating hours, depending on factors such as the quality of construction, maintenance practices, operating conditions, usage patterns, and manufacturer reputation. Adhering to proper maintenance practices, operating the compressor within its recommended parameters, and choosing a reputable manufacturer can help ensure a longer lifespan for the screw compressor.

air compressor

What Is the Role of Control Systems in Screw Compressor Operation?

Control systems play a crucial role in the operation of screw compressors. Here’s a detailed explanation:

Screw compressors are complex machines that require precise control and monitoring for optimal performance and efficiency. Control systems provide the necessary intelligence and automation to regulate various aspects of screw compressor operation. Here are the key roles of control systems:

1. Start-up and Shutdown Control:

Control systems manage the start-up and shutdown sequences of screw compressors. During start-up, the control system ensures a gradual ramp-up of motor speed and system pressure to prevent sudden surges and excessive wear on components. During shutdown, it safely brings the compressor to a stop and performs necessary cooling and ventilation processes.

2. Load and Unload Control:

Screw compressors often feature load and unload operation to match compressed air supply with demand. The control system monitors system pressure, flow requirements, and other parameters to determine when to load or unload the compressor. It engages or disengages the compressor’s capacity control mechanism, such as inlet modulation valves or variable-speed drives, to maintain optimal operation at varying loads.

3. Pressure Control:

Control systems regulate the discharge pressure of screw compressors. They continuously monitor the system pressure and adjust compressor operation to maintain the desired pressure setpoint. The control system modulates the compressor’s capacity, adjusts the speed of the drive motor, or controls the opening and closing of inlet or discharge valves to achieve the target pressure.

4. Temperature Control:

Control systems monitor and control various temperature parameters within the screw compressor system. They ensure that the compressor operates within safe temperature limits by monitoring coolant temperatures, lubricant temperatures, and interstage or discharge temperatures. If temperature limits are exceeded, the control system may activate cooling mechanisms, adjust operating parameters, or trigger alarms and shutdowns to prevent damage.

5. Monitoring and Protection:

Control systems provide comprehensive monitoring and protection functions for screw compressors. They continuously collect data from various sensors and instruments, such as pressure sensors, temperature sensors, vibration sensors, and current sensors. The control system analyzes this data to detect abnormalities, malfunctions, or potential failures. It can initiate alarms, shutdowns, or safety interlocks to protect the compressor and associated equipment.

6. Energy Management:

Control systems optimize energy efficiency in screw compressor operation. They analyze system demand, performance characteristics, and energy consumption to make intelligent decisions regarding load modulation, capacity control, and motor speed adjustments. By optimizing the compressor’s operation, the control system helps reduce energy consumption, operating costs, and environmental impact.

7. Remote Monitoring and Control:

Modern control systems often offer remote monitoring and control capabilities. They can be integrated into supervisory control and data acquisition (SCADA) systems or connected to networked platforms. Remote access allows operators to monitor compressor performance, adjust operating parameters, receive alarms, and perform diagnostics from a central control room or via mobile devices.

In summary, control systems play a vital role in the operation of screw compressors by providing intelligent control, monitoring, and protection. They manage start-up and shutdown sequences, regulate load and unload operation, control pressure and temperature, monitor system parameters, optimize energy efficiency, and enable remote monitoring and control. By effectively managing the compressor’s operation, control systems contribute to reliable performance, energy efficiency, and overall system optimization.

air compressor

Are There Different Types of Screw Compressors?

Yes, there are different types of screw compressors available, catering to various application requirements. Here’s an overview of the main types:

1. Oil-Injected Screw Compressors:

Oil-injected screw compressors, also known as lubricated screw compressors, are the most common type. These compressors require the injection of a small amount of lubricating oil into the compression chamber. The oil serves multiple purposes, including lubrication, cooling, sealing, and reducing friction between the rotors. Oil-injected screw compressors are widely used in industrial applications where a small amount of oil in the compressed air is acceptable.

2. Oil-Free Screw Compressors:

Oil-free screw compressors are designed to operate without the need for oil lubrication. These compressors incorporate specialized rotor coatings, such as PTFE (polytetrafluoroethylene) or other non-stick materials, to reduce friction and eliminate the need for oil. Oil-free screw compressors are preferred in applications that require oil-free and contaminant-free compressed air. Industries like food and beverage, pharmaceuticals, electronics, and others often rely on oil-free screw compressors to ensure the purity of the compressed air.

3. Variable Speed Drive (VSD) Screw Compressors:

VSD screw compressors, also known as variable frequency drive (VFD) screw compressors, are equipped with a variable speed drive system. This system allows the compressor to adjust the rotational speed of the motor and, consequently, the speed of the screw rotors. By varying the speed, VSD screw compressors can closely match the compressed air or gas demand, resulting in energy savings and improved efficiency. VSD screw compressors are particularly beneficial in applications with varying air demand, as they can adapt their output accordingly.

4. Two-Stage Screw Compressors:

Two-stage screw compressors consist of two sets of rotors arranged in series. The first stage compresses the air or gas to an intermediate pressure, and the second stage further compresses it to the desired final pressure. Two-stage screw compressors are commonly used in applications that require higher discharge pressures. By dividing the compression into two stages, these compressors can achieve higher efficiency and improved performance in high-pressure applications.

5. Water-Injected Screw Compressors:

Water-injected screw compressors, also known as liquid-injected screw compressors, utilize water or a water-glycol mixture as a sealing and cooling medium. The water injection helps in sealing the compression chamber and reduces the discharge temperature, enhancing the compressor’s efficiency. Water-injected screw compressors are often used in applications where oil contamination is a concern, such as in the pharmaceutical and food processing industries.

Each type of screw compressor has its own advantages and is suitable for specific applications. The choice of the screw compressor type depends on factors such as the desired level of air purity, the need for oil-free operation, energy efficiency requirements, and the operating conditions of the application.

China supplier Air Cooled Chiller Scroll/Screw Compressor High Efficiency Modular   air compressor oilChina supplier Air Cooled Chiller Scroll/Screw Compressor High Efficiency Modular   air compressor oil
editor by CX 2024-05-17

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