Product Description
Air Dryer / Combined air dryer / Air cooled refrigerated combined air dryer compressor for sale
Detailed Photos
(1) Air-cooled combined dryer
Technological Process of the Combined Low Dew Point Compressed Air Dryer
| Symbol | Name | Symbol | Name |
| 1 | Refrigerant Compressor | 15 | Air Pressure Gauge |
| 2 | Oil Separator | 16 | Heat Exchanger |
| 3 | Condenser | 17 | Pressure Relief Valve |
| 4 | Dryer Filter | 18,19 | Check Valve |
| 5 | Sight Lens | 20,21 | Check Valve(Heat Type) |
| 6 | Bulge Thermal Expansion Valve | 22,23,24,25 | Pneumatic Valve |
| 7 | Hot Gas Bypass Valve | 26,29,30,33 | Diffuser |
| 8 | Vaporizer | 27,31 | Air Pressure Gauge |
| 9 | Humidity Sensor | 28,32 | Adsorption Vessel |
| 10 | Evaporator | 34,35,36,37 | Pilot Solenoid Valve |
| 11 | Refrigerant Low Pressure Gauge |
38 | Muffler |
| 12 | Refrigerant Low Pressure Gauge |
39 | Flow Regulating Valve(Heatless Type) |
| 13 | High and Low Pressure Controller | 40 | Throttling Orifice Plate(Heat Type) |
| 14 | Gas Liquid Separator | 41 | Electical Heater(Heat Type) |
General Introduction:
Commonly, there are 2 kinds of compressed air dryer: refrigerated compressed air dryer and regeneration adsorption one. The refrigerated compressed air dryer is quite energy-saving without any air loss, While it is limited by the dew point temperature. The regeneration adsorption compressed air dryer can reach a quiet low dew point, but it has the shortcoming of big air loss and high energy consumption.
The CHINAMFG combined low dew point compressed air dryer takes the maximum advantages of the above 2 kinds of dryers through reasonable pipeline connection and capacity matching, which ensure its economic operation and high quality of low dew point finished air.
Operating Principle:
Firstly, the hot and wet compressed air from the compressor is heat exchange with dried cold compressed air in the heat exchanger. Then it will be cooled down to about 2ºC by evaporator. Under this pressure dew point, the majority of vapor water in the compressed air is eliminated and discharged. After these processes, the low temperature air goes into the heat exchanger to cool the high wet compressed air, at the same time, itself temperature goes up in order to prevent the condensation of dew on the surface of pipelines. Last, low moisture compressed air dryer goes into the adsorption vessel to be further dried in order to get the good dew point.
(2) Water-Cooled Combined Type Air Dryer
Working condition and technical data
Maximum inlet air temperature:45ºC
Ambient temperature range:5-50ºC
Pressure range:0.6-1.0Mpa
Pressure dew point:-20ºC ~ -40ºC
Regeneration gas consumption:3-5%
Cooling mode: water cooling (industrial circulating cooling water)
Cooling water pressure range: 0.2-0.4mpa
Maximum cooling water inlet temperature: 38 ºC
Intake oil content: ≤ 0.1ppm
Power supply: 6-12nm 3 / min: AC 220 V / 50 Hz
15nm3 / min and above: AC 380V / 220V / 50Hz
Cycle: T = 40 (min)
Refrigerant: R22 (R407C / R134a optional)
Design condition: inlet temperature: 38 ºC
Ambient temperature: 38 ºC
Working pressure: 0.7MPa
Cooling water inlet temperature: 32 ºC
Pressure loss: ≤ 5% of design pressure
Note: the water-cooled equipment above 80 cubic CHINAMFG are split bare machines. Other special requirements are welcome to customize.
Product features
- Low dew point:The combined low dew point dryer can reach very low pressure dew point, which can reach below – 40 ºC in general, and – 70 ºC at least according to different user requirements;
- Low energy consumption: the regeneration gas consumption of combined low dew point dryer is only 3% – 5%, which greatly saves the compressed air consumption;
- It can provide compressed air with different dew points for different air consumption points;
- All the operation switches and display instruments of the combined low dew point compressed air dryer are concentrated on the panel of the box plate. The refrigeration type compressed air dryer and the adsorption regeneration compressed air dryer can operate independently or simultaneously with cold and suction according to the customer’s needs;
- The gas-liquid separator adopts the patented three-stage separation mode: direct collision separation + low-speed centrifugal separation + stainless steel wire mesh demisting separation. 99.9% of liquid water is separated from the cooled compressed air. The second evaporation of textile moisture can ensure the low dew point quality of finished gas.
- High quality switching valve, stable and reliable, can ensure the integrity of the working process and prolong the working life of components.
- The refrigeration compressor adopts CHINAMFG of Denmark, CHINAMFG of ZheJiang , CHINAMFG of Japan, CHINAMFG of Germany, CHINAMFG of Germany, CHINAMFG of France and other companies of fully closed or semi closed refrigeration compressor, which has stable operation, low noise, high cop, reliable performance and long power saving life;
Product Parameters
(1) Air-Cooled Combined Type Air Dryer specification
|
Model |
Air capacity (Nm3/min) |
Desiccant weight(kg) | Air connector dia | Refrigerant power (HP) |
Air flow (Nm3/h) |
Fan power(W) | Voltage (V) |
Dryer Net Weight (kg) |
Length(mm) | Wideth(mm) | Height(mm) |
| SDZF-1 | 1.2 | 25 | G1″ | 1/2 | 745 | 1×50 | 220 | 400 | 1080 | 850 | 1460 |
| SDZF-2 | 2.5 | 40 | G1″ | 1/2 | 745 | 1×50 | 220 | 440 | 1100 | 900 | 2050 |
| SDZF-3 | 3.6 | 60 | G1″ | 3/4 | 1330 | 1×100 | 220 | 460 | 1200 | 1000 | 1808 |
| SDZF-4.5 | 5 | 85 | G1 1/2″ | 1 | 2670 | 1×135 | 220 | 660 | 1290 | 1030 | 2263 |
| SDZF-6 | 6.8 | 105 | G1 1/2″ | 1.5 | 4500 | 1×230 | 220 | 775 | 1500 | 1105 | 1931 |
| SDZF-8 | 8.5 | 150 | G2″ | 2 | 5340 | 2×135 | 220 | 970 | 1500 | 1240 | 2016 |
| SDZF-10 | 10.9 | 185 | G2″ | 2.5 | 5340 | 2×135 | 220 | 1120 | 1500 | 1240 | 2316 |
| SDZF-12 | 12.8 | 185 | G2″ | 2.5 | 5340 | 2×135 | 220 | 1120 | 1500 | 1240 | 2316 |
| SDZF-15 | 16 | 310 | DN65 | 3 | 7600 | 2×190 | 380/220 | 1700 | 1960 | 1450 | 2342 |
| SDZF-20 | 22 | 395 | DN65 | 4 | 7600 | 2×190 | 380/220 | 1800 | 1980 | 1600 | 2408 |
| SDZF-25 | 26.8 | 492 | DN80 | 5 | 9000 | 2×230 | 380/220 | 2100 | 2270 | 1700 | 2460 |
| SDZF-30 | 32 | 600 | DN80 | 6 | 9000 | 2×230 | 380/220 | 2300 | 2420 | 1780 | 2506 |
| SDZF-40 | 43.5 | 725 | DN100 | 7 | 12500 | 2×420 | 380/220 | 2700 | 2100 | 2340 | 2673 |
| SDZF-50 | 53 | 855 | DN100 | 10 | 13500 | 3×230 | 380/220 | 2900 | 2100 | 2390 | 2687 |
| SDZF-60 | 67 | 1005 | DN125 | 12 | 18750 | 3×420 | 380/220 | 3350 | 2250 | 2600 | 2814 |
| SDZF-80 | 90 | 1335 | DN125 | 13.3 | 25000 | 4×420 | 380/220 | 4200 | 2640 | 2600 | 2866 |
Note:Design conditions: working pressure: 7bar, inlet temperature: 38ºC, pressure dew point: -20ºC
(2) Water-Cooled Combined Type Air Dryer
Product specifications
| model | Air capacity (Nm3/min) |
Weight of desiccant(kg) | Air nozzle diameter | Diameter of cooling water pipe | Cooling power (HP) |
Cooling water flow (Nm3/h) |
Voltage (V) |
Equipment weight (kg) |
L(mm) | W(mm) | H(mm) |
| SDZW-6 | 6.8 | 105 | G1 1/2″ | R1″ | 1.5 | 1.2 | 220 | 760 | 1500 | 1160 | 1940 |
| SDZW-8 | 8.5 | 150 | G2″ | R1″ | 2 | 1.2 | 220 | 960 | 1500 | 1100 | 2016 |
| SDZW-10 | 10.9 | 185 | G2″ | R1″ | 2.5 | 1.6 | 220 | 1120 | 1500 | 1240 | 2316 |
| SDZW-12 | 12.8 | 185 | G2″ | R1″ | 2.5 | 1.8 | 220 | 1150 | 1500 | 1240 | 2316 |
| SDZW-15 | 16 | 275 | DN65 | R1″ | 3 | 2 | 380/220 | 1660 | 1960 | 1450 | 2196 |
| SDZW-20 | 22 | 395 | DN65 | R1 1/2″ | 4 | 3 | 380/220 | 1740 | 1970 | 1600 | 2475 |
| SDZW-25 | 26.8 | 495 | DN80 | R1 1/2″ | 5 | 3.6 | 380/220 | 2075 | 2030 | 1630 | 2505 |
| SDZW-30 | 32 | 605 | DN80 | R1 1/2″ | 6 | 4.6 | 380/220 | 2200 | 2240 | 1840 | 2519 |
| SDZW-40 | 43.5 | 725 | DN100 | R1 1/2″ | 7 | 5.6 | 380/220 | 2784 | 2360 | 1900 | 2637 |
| SDZW-50 | 53 | 860 | DN100 | R1 1/2″ | 10 | 7.2 | 380/220 | 3144 | 2400 | 2000 | 2638 |
| SDZW-60 | 67 | 1005 | DN125 | R1 1/2″ | 12 | 9.2 | 380/220 | 3361 | 2540 | 2100 | 2719 |
| SDZW-80 | 90 | 1335 | DN125 | R1 1/2″ | 13.3 | 10.8 | 380/220 | 4500 | 2640 | 2450 | 2818 |
| SDZW-100 | 110 | 2155 | DN150 | R1 1/2″ | 20 | 12.4 | 380/220 | 6550 | 2680 | 2670 | 2985 |
| SDZW-120 | 130 | 2650 | DN150 | R2″ | 25 | 14.6 | 380/220 | 7810 | 2820 | 2800 | 3041 |
| SDZW-150 | 160 | 3205 | DN200 | R2″ | 25 | 16.2 | 380/220 | 8500 | 3290 | 3130 | 3190 |
| SDZW-200 | 210 | 3825 | DN200 | R2 1/2″ | 40 | 18.6 | 380/220 | 9600 | 3350 | 3375 | 3309 |
| SDZW-250 | 260 | 5260 | DN250 | R2 1/2″ | 60 | 24.4 | 380/220 | Detailed parameters and consultation with manufacturers | |||
| SDZW-300 | 315 | 6160 | DN250 | R3″ | 70 | 30.5 | 380/220 | Detailed parameters and consultation with manufacturers | |||
Optional Accessories
- Micro heat type
- Dew point display
- Dew point energy saving control
- Special voltage
- Environmental refrigerant
- – 70 ºC dew point
- Not limited to this
Company Profile
Certifications
Packaging & Shipping
FAQ
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| After-sales Service: | Ok |
|---|---|
| Warranty: | 1 Year |
| Flow: | Cross Flow |
| Material Status: | Bulk |
| Drying Medium: | Air |
| Structure: | All Kinds |
| Samples: |
US$ 1000/Set
1 Set(Min.Order) | |
|---|
| Customization: |
Available
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Can air compressors be used for cleaning and blowing dust?
Yes, air compressors can be effectively used for cleaning and blowing dust in various applications. Here’s how air compressors are utilized for these purposes:
1. Cleaning Machinery and Equipment:
Air compressors are commonly used for cleaning machinery and equipment in industries such as manufacturing, automotive, and construction. Compressed air is directed through a nozzle or blowgun attachment to blow away dust, debris, and other contaminants from surfaces, crevices, and hard-to-reach areas. The high-pressure air effectively dislodges and removes accumulated dust, helping to maintain equipment performance and cleanliness.
2. Dusting Surfaces:
Air compressors are also employed for dusting surfaces in various settings, including homes, offices, and workshops. The compressed air can be used to blow dust off furniture, shelves, electronic equipment, and other objects. It provides a quick and efficient method of dusting, especially for intricate or delicate items where traditional dusting methods may be challenging.
3. Cleaning HVAC Systems:
Air compressors are utilized for cleaning HVAC (Heating, Ventilation, and Air Conditioning) systems. The compressed air can be used to blow dust, dirt, and debris from air ducts, vents, and cooling coils. This helps improve the efficiency and air quality of HVAC systems, preventing the buildup of contaminants that can affect indoor air quality.
4. Blowing Dust in Workshops:
In workshops and garages, air compressors are often used to blow dust and debris from workbenches, power tools, and work areas. Compressed air is directed to blow away loose particles and maintain a clean and safe work environment. This is particularly useful in woodworking, metalworking, and other trades where dust and debris can accumulate during the manufacturing or fabrication processes.
5. Cleaning Electronics and Computer Equipment:
Air compressors are employed for cleaning electronics and computer equipment. The compressed air is used to blow dust and debris from keyboards, computer cases, circuit boards, and other electronic components. It helps in preventing overheating and maintaining the proper functioning of sensitive electronic devices.
6. Industrial Cleaning Applications:
Air compressors find extensive use in industrial cleaning applications. They are employed in industrial settings, such as factories and warehouses, for cleaning large surfaces, production lines, and equipment. Compressed air is directed through specialized cleaning attachments or air-operated cleaning systems to remove dust, dirt, and contaminants efficiently.
When using air compressors for cleaning and blowing dust, it is important to follow safety precautions and guidelines. The high-pressure air can cause injury if directed towards the body or sensitive equipment. It is advisable to wear appropriate personal protective equipment, such as safety glasses and gloves, and ensure that the air pressure is regulated to prevent excessive force.
Overall, air compressors provide a versatile and effective solution for cleaning and blowing dust in various applications, offering a convenient alternative to traditional cleaning methods.
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Can air compressors be integrated into automated systems?
Yes, air compressors can be integrated into automated systems, providing a reliable and versatile source of compressed air for various applications. Here’s a detailed explanation of how air compressors can be integrated into automated systems:
Pneumatic Automation:
Air compressors are commonly used in pneumatic automation systems, where compressed air is utilized to power and control automated machinery and equipment. Pneumatic systems rely on the controlled release of compressed air to generate linear or rotational motion, actuating valves, cylinders, and other pneumatic components. By integrating an air compressor into the system, a continuous supply of compressed air is available to power the automation process.
Control and Regulation:
In automated systems, air compressors are often connected to a control and regulation system to manage the compressed air supply. This system includes components such as pressure regulators, valves, and sensors to monitor and adjust the air pressure, flow, and distribution. The control system ensures that the air compressor operates within the desired parameters and provides the appropriate amount of compressed air to different parts of the automated system as needed.
Sequential Operations:
Integration of air compressors into automated systems enables sequential operations to be carried out efficiently. Compressed air can be used to control the timing and sequencing of different pneumatic components, ensuring that the automated system performs tasks in the desired order and with precise timing. This is particularly useful in manufacturing and assembly processes where precise coordination of pneumatic actuators is required.
Energy Efficiency:
Air compressors can contribute to energy-efficient automation systems. By incorporating energy-saving features such as Variable Speed Drive (VSD) technology, air compressors can adjust their power output according to the demand, reducing energy consumption during periods of low activity. Additionally, efficient control and regulation systems help optimize the use of compressed air, minimizing waste and improving overall energy efficiency.
Monitoring and Diagnostics:
Integration of air compressors into automated systems often includes monitoring and diagnostic capabilities. Sensors and monitoring devices can be installed to collect data on parameters such as air pressure, temperature, and system performance. This information can be used for real-time monitoring, preventive maintenance, and troubleshooting, ensuring the reliable operation of the automated system.
When integrating air compressors into automated systems, it is crucial to consider factors such as the specific requirements of the automation process, the desired air pressure and volume, and the compatibility of the compressor with the control and regulation system. Consulting with experts in automation and compressed air systems can help in designing an efficient and reliable integration.
In summary, air compressors can be seamlessly integrated into automated systems, providing the necessary compressed air to power and control pneumatic components, enabling sequential operations, and contributing to energy-efficient automation processes.
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What are the key components of an air compressor system?
An air compressor system consists of several key components that work together to generate and deliver compressed air. Here are the essential components:
1. Compressor Pump: The compressor pump is the heart of the air compressor system. It draws in ambient air and compresses it to a higher pressure. The pump can be reciprocating (piston-driven) or rotary (screw, vane, or scroll-driven) based on the compressor type.
2. Electric Motor or Engine: The electric motor or engine is responsible for driving the compressor pump. It provides the power necessary to operate the pump and compress the air. The motor or engine’s size and power rating depend on the compressor’s capacity and intended application.
3. Air Intake: The air intake is the opening or inlet through which ambient air enters the compressor system. It is equipped with filters to remove dust, debris, and contaminants from the incoming air, ensuring clean air supply and protecting the compressor components.
4. Compression Chamber: The compression chamber is where the actual compression of air takes place. In reciprocating compressors, it consists of cylinders, pistons, valves, and connecting rods. In rotary compressors, it comprises intermeshing screws, vanes, or scrolls that compress the air as they rotate.
5. Receiver Tank: The receiver tank, also known as an air tank, is a storage vessel that holds the compressed air. It acts as a buffer, allowing for a steady supply of compressed air during peak demand periods and reducing pressure fluctuations. The tank also helps separate moisture from the compressed air, allowing it to condense and be drained out.
6. Pressure Relief Valve: The pressure relief valve is a safety device that protects the compressor system from over-pressurization. It automatically releases excess pressure if it exceeds a predetermined limit, preventing damage to the system and ensuring safe operation.
7. Pressure Switch: The pressure switch is an electrical component that controls the operation of the compressor motor. It monitors the pressure in the system and automatically starts or stops the motor based on pre-set pressure levels. This helps maintain the desired pressure range in the receiver tank.
8. Regulator: The regulator is a device used to control and adjust the output pressure of the compressed air. It allows users to set the desired pressure level for specific applications, ensuring a consistent and safe supply of compressed air.
9. Air Outlet and Distribution System: The air outlet is the point where the compressed air is delivered from the compressor system. It is connected to a distribution system comprising pipes, hoses, fittings, and valves that carry the compressed air to the desired application points or tools.
10. Filters, Dryers, and Lubricators: Depending on the application and air quality requirements, additional components such as filters, dryers, and lubricators may be included in the system. Filters remove contaminants, dryers remove moisture from the compressed air, and lubricators provide lubrication to pneumatic tools and equipment.
These are the key components of an air compressor system. Each component plays a crucial role in the generation, storage, and delivery of compressed air for various industrial, commercial, and personal applications.


editor by CX 2024-05-17