Product Description
Hot Sale Silent 11kw 1.6m3/min 16bar Laser Cutting Combined Screw Air Compressor
The integrated screw air compressor system for 16 bar high pressure laser cutting includes screw compressor, refrigerated air dryer, air receiver. All-in-1 integration, plug and play, easy to install, move and maintain, providing customers with a one-stop compressed air solution.
Model:DBZY-15A
Capacity: 1.05m3/min
Working pressure: 16 bar
Air end : Rotorcomp/Hanbell AB+
Transmission mode: belt drive
Cooling method: air cooling
Motor: 380v/50hz/3phase, IP54
Exhaust temperature: ambient temperature +8ºC
Noise: ≤ 65 dB(A)
Outlet size: G3/4″
Gas tank: 500L
Cold dryer voltage: 220v/50/1phase
Air dryer: 16bar/1.2m3/2-10ºC
Filter: 16bar/1.5m3/4 pcs, particle content≤0.01μm,oil content≤0.003PPM
Dimensions: 1882*790*1731mm
Weight: 560kg
Products feature
More Convenient
Integration of air compressor, air tank, and air dryer. It avoids the trouble of customers purchasing additional pipes and fittings. Use directly after installation, saving space.
More Reliable
Modular design, durable components, low noise and vibration, and easy maintenance.
Energy Efficiency
Using permanent magnet variable speed motor, specialized for laser cutting machine, reducing pressure leakage and more energy-saving.
Pure compressed air
High efficiency refrigerated dryer, multi-stage precision filter, oil content of gas is lower than 0.001 PPM, ensuring the purity of compressed air.
Technical Parameters
| Model |
Capacity (m3/min) |
Pressure (Bar ) |
Power (kw) |
Noise (DB) |
Outlet diameter |
Dimension(mm) |
Weight (kg) |
Air tank(L) |
Exhaust oil content (ppm) |
|
DBZY-10A |
0.55 |
1.58 |
7.5 |
65 |
G3/4 |
1418*700*1500 |
395 |
260 |
0.01 |
|
DBZY-15A |
1.05 |
1.58 |
11 |
65 |
G3/4 |
1882*790*1731 |
560 |
500 |
0.01 |
|
DBZY-20A |
1.51 |
1.58 |
15 |
65 |
G3/4 |
1882*790*1731 |
572 |
500 |
0.01 |
|
DMZY-15A |
1.05 |
1.58 |
11 |
65 |
G3/4 |
1882*790*1731 |
560 |
500 |
0.01 |
|
DMZY-20A |
1.52 |
1.58 |
15 |
65 |
G3/4 |
1882*790*1731 |
572 |
500 |
0.01 |
|
DMZY-30A |
2.41 |
1.58 |
22 |
68 |
G3/4 |
1882*1081*1801 |
630 |
500 |
0.01 |
|
DCZY-30A |
2.21 |
1.58 |
22 |
68 |
G3/4 |
1882*1081*1801 |
630 |
500 |
0.01 |
Application industry
Application Industry
Combined screw air compressors are widely used in steel, electric power, electronics, oil and gas, chemical industry, metallurgy, paint, rubber, light industry, blow molding, shipbuilding, food and medicine, textile, sandblasting and other industries.
Project case
Company Profile
FAQ
FAQ
1.Why customer choose us?
DHH COMPRESSOR ZheJiang CO.,LTD.with 24 years old history,we are specialized in Rotary Screw Air Compressor.Germany Standard and 13 years exporting experience help us won more than 30 loyal foreign agents.We warmly welcome your small trial order for quality or market test.
2.Are you a manufacturer or trading company?
We are professional manufacturer with big modern factory in HangZhou,China,with professional design team.Both OEM & ODM service can be accepted.
3.Where is your factory located? How can I visit there?
Our factory is located in HangZhou City, ZheJiang Province, China. We can pick up you from ZheJiang , it’s about 1 hour from ZheJiang Xihu (West Lake) Dis. Airport to our factory. Warmly welcome to visit us!
4.What’s your delivery time?
380V 50HZ we can delivery the goods within 14 days. Other electricity or other color we will delivery within 22 days,if urgently order,pls contact our sales in advance.
5.How long is your air compressor warranty?
One year for the whole machine and 2 years for screw air end, except consumable spare parts and we can provide some spare parts of the machines.
6.How does your factory do regarding quality control?
Quality is everything. we always attach great importance to quality controlling from the very beginning to the very end. Our factory has gained ISO9001:2015 authentication and CE certificate.
7.How long could your air compressor be used?
Generally, more than 10 years.
8. What’s payment term?
T/T,L/C,D/P,Western Union,Paypal,Credit Card,and etc.Also we could accept USD, RMB, Euro and other currency.
9.How about your after-sales service?
(1) Provide customers with installation and commissioning online instructions.
(2) Well-trained engineers available to overseas service.
(3) CHINAMFG agents and after service available.
| After-sales Service: | Online Support |
|---|---|
| Warranty: | 2years |
| Lubrication Style: | Lubricated |
| Samples: |
US$ 4400/set
1 set(Min.Order) | Order Sample |
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| Customization: |
Available
|
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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Are there special considerations for air compressor installations in remote areas?
Yes, there are several special considerations to take into account when installing air compressors in remote areas. These areas often lack access to infrastructure and services readily available in urban or well-developed regions. Here are some key considerations:
1. Power Source:
Remote areas may have limited or unreliable access to electricity. It is crucial to assess the availability and reliability of the power source for operating the air compressor. In some cases, alternative power sources such as diesel generators or solar panels may need to be considered to ensure a consistent and uninterrupted power supply.
2. Environmental Conditions:
Remote areas can present harsh environmental conditions that can impact the performance and durability of air compressors. Extreme temperatures, high humidity, dust, and corrosive environments may require the selection of air compressors specifically designed to withstand these conditions. Adequate protection, insulation, and ventilation must be considered to prevent damage and ensure optimal operation.
3. Accessibility and Transport:
Transporting air compressors to remote areas may pose logistical challenges. The size, weight, and portability of the equipment should be evaluated to ensure it can be transported efficiently to the installation site. Additionally, the availability of suitable transportation infrastructure, such as roads or air transportation, needs to be considered to facilitate the delivery and installation process.
4. Maintenance and Service:
In remote areas, access to maintenance and service providers may be limited. It is important to consider the availability of trained technicians and spare parts for the specific air compressor model. Adequate planning for routine maintenance, repairs, and troubleshooting should be in place to minimize downtime and ensure the longevity of the equipment.
5. Fuel and Lubricants:
For air compressors that require fuel or lubricants, ensuring a consistent and reliable supply can be challenging in remote areas. It is necessary to assess the availability and accessibility of fuel or lubricant sources and plan for their storage and replenishment. In some cases, alternative or renewable fuel options may need to be considered.
6. Noise and Environmental Impact:
Remote areas are often characterized by their natural beauty and tranquility. Minimizing noise levels and environmental impact should be a consideration when installing air compressors. Selecting models with low noise emissions and implementing appropriate noise reduction measures can help mitigate disturbances to the surrounding environment and wildlife.
7. Communication and Remote Monitoring:
Given the remote location, establishing reliable communication channels and remote monitoring capabilities can be essential for effective operation and maintenance. Remote monitoring systems can provide real-time data on the performance and status of the air compressor, enabling proactive maintenance and troubleshooting.
By addressing these special considerations, air compressor installations in remote areas can be optimized for reliable operation, efficiency, and longevity.
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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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How do oil-lubricated and oil-free air compressors differ?
Oil-lubricated and oil-free air compressors differ in terms of their lubrication systems and the presence of oil in their operation. Here are the key differences:
Oil-Lubricated Air Compressors:
1. Lubrication: Oil-lubricated air compressors use oil for lubricating the moving parts, such as pistons, cylinders, and bearings. The oil forms a protective film that reduces friction and wear, enhancing the compressor’s efficiency and lifespan.
2. Performance: Oil-lubricated compressors are known for their smooth and quiet operation. The oil lubrication helps reduce noise levels and vibration, resulting in a more comfortable working environment.
3. Maintenance: These compressors require regular oil changes and maintenance to ensure the proper functioning of the lubrication system. The oil filter may need replacement, and the oil level should be regularly checked and topped up.
4. Applications: Oil-lubricated compressors are commonly used in applications that demand high air quality and continuous operation, such as industrial settings, workshops, and manufacturing facilities.
Oil-Free Air Compressors:
1. Lubrication: Oil-free air compressors do not use oil for lubrication. Instead, they utilize alternative materials, such as specialized coatings, self-lubricating materials, or water-based lubricants, to reduce friction and wear.
2. Performance: Oil-free compressors generally have a higher airflow capacity, making them suitable for applications where a large volume of compressed air is required. However, they may produce slightly more noise and vibration compared to oil-lubricated compressors.
3. Maintenance: Oil-free compressors typically require less maintenance compared to oil-lubricated ones. They do not need regular oil changes or oil filter replacements. However, it is still important to perform routine maintenance tasks such as air filter cleaning or replacement.
4. Applications: Oil-free compressors are commonly used in applications where air quality is crucial, such as medical and dental facilities, laboratories, electronics manufacturing, and painting applications. They are also favored for portable and consumer-grade compressors.
When selecting between oil-lubricated and oil-free air compressors, consider the specific requirements of your application, including air quality, noise levels, maintenance needs, and expected usage. It’s important to follow the manufacturer’s recommendations for maintenance and lubrication to ensure the optimal performance and longevity of the air compressor.
editor by CX 2023-11-06
China best Parts Oil Lubricated Screw Air Compressor 16 Bar portable air compressor
Product Description
Smart Choice for Air Solution
Our products help customers to achieve sustainable productivity in a wide range of markets,
including general engineering, manufacturing industries, construction, and much more.
With a golden heart of the rotary screw air compressor, we make sure our products are running at maximum efficiency and minimum downtime at our customers’ sites.
We developed our own special rotors, which provide energy savings of up to 15% compared to other conventional rotor designs.
Our roller bearings guarantee that our airends live much longer than ever before.
The capacity of rotary screw compressors are perfectly regulated by our inlet valves.
Our factory is able to produce 2500 sets per month.
Our Company was founded in HangZhou, China in 2000, and has since expanded with a broad international network to serve customers in every corner of the globe.
We set offices and facilities in Chang’an, HangZhou, 30 minutes drive from HangZhou Bao’an International Airport, highly convenient for your business visits.
With a group of classic Chinese hardworking team, we have been on the leading edge of compressed air solutions, for 20 years.
Our expert knowledge of air compressor makes every communication with customers as good as always.
No Cercern for Any Damage or Delay
Our strong sense of responsibility doesn’t allow any worries to bother you.
Our professionally trained packing&moving team ensures your shipments are safe and secure during the entire process.
Less than 2 hours road trip from our factory to HangZhoug Harbor.
Stay Connected
Feel free to contact, get answers in no time.
Tyson Jetzt
tyson_jetzt
| Lubrication Style: | Lubricated |
|---|---|
| Cooling System: | Air Cooling |
| Power Source: | DC Power |
| Cylinder Position: | Horizontal |
| Structure Type: | Closed Type |
| Installation Type: | Stationary Type |
| Customization: |
Available
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How are air compressors utilized in pharmaceutical manufacturing?
Air compressors play a crucial role in pharmaceutical manufacturing, where they are utilized for various critical applications. The pharmaceutical industry requires a reliable source of clean and compressed air to ensure the safety, efficiency, and quality of its processes. Here’s an overview of how air compressors are utilized in pharmaceutical manufacturing:
1. Manufacturing Processes:
Air compressors are used in numerous manufacturing processes within the pharmaceutical industry. Compressed air is employed for tasks such as mixing and blending of ingredients, granulation, tablet compression, coating, and encapsulation of pharmaceutical products. The controlled delivery of compressed air facilitates precise and consistent manufacturing processes, ensuring the production of high-quality pharmaceuticals.
2. Instrumentation and Control Systems:
Pharmaceutical manufacturing facilities rely on compressed air for powering instrumentation and control systems. Compressed air is used to operate pneumatic valves, actuators, and control devices that regulate the flow of fluids, control temperature and pressure, and automate various processes. The clean and dry nature of compressed air makes it ideal for maintaining the integrity and accuracy of these critical control mechanisms.
3. Packaging and Filling:
Air compressors are employed in pharmaceutical packaging and filling processes. Compressed air is used to power machinery and equipment for bottle cleaning, labeling, capping, and sealing of pharmaceutical products. Compressed air provides the necessary force and precision for efficient and reliable packaging, ensuring product safety and compliance.
4. Cleanroom Environments:
Pharmaceutical manufacturing often takes place in controlled cleanroom environments to prevent contamination and maintain product quality. Air compressors are used to supply clean and filtered compressed air to these cleanrooms, ensuring a controlled and sterile environment for the production of pharmaceuticals. Compressed air is also utilized in cleanroom air showers and air curtains for personnel and material decontamination.
5. Laboratory Applications:
In pharmaceutical laboratories, air compressors are utilized for various applications. Compressed air is used in laboratory instruments, such as gas chromatographs, mass spectrometers, and other analytical equipment. It is also employed in clean air cabinets, fume hoods, and laminar flow benches, providing a controlled and clean environment for testing, analysis, and research.
6. HVAC Systems:
Air compressors are involved in heating, ventilation, and air conditioning (HVAC) systems in pharmaceutical manufacturing facilities. Compressed air powers the operation of HVAC controls, dampers, actuators, and air handling units, ensuring proper air circulation, temperature control, and environmental conditions in various manufacturing areas.
By utilizing air compressors in pharmaceutical manufacturing, the industry can maintain strict quality standards, enhance operational efficiency, and ensure the safety and efficacy of pharmaceutical products.
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Are there differences between single-stage and two-stage air compressors?
Yes, there are differences between single-stage and two-stage air compressors. Here’s an in-depth explanation of their distinctions:
Compression Stages:
The primary difference between single-stage and two-stage air compressors lies in the number of compression stages they have. A single-stage compressor has only one compression stage, while a two-stage compressor has two sequential compression stages.
Compression Process:
In a single-stage compressor, the entire compression process occurs in a single cylinder. The air is drawn into the cylinder, compressed in a single stroke, and then discharged. On the other hand, a two-stage compressor utilizes two cylinders or chambers. In the first stage, air is compressed to an intermediate pressure in the first cylinder. Then, the partially compressed air is sent to the second cylinder where it undergoes further compression to reach the desired final pressure.
Pressure Output:
The number of compression stages directly affects the pressure output of the air compressor. Single-stage compressors typically provide lower maximum pressure levels compared to two-stage compressors. Single-stage compressors are suitable for applications that require moderate to low air pressure, while two-stage compressors are capable of delivering higher pressures, making them suitable for demanding applications that require greater air pressure.
Efficiency:
Two-stage compressors generally offer higher efficiency compared to single-stage compressors. The two-stage compression process allows for better heat dissipation between stages, reducing the chances of overheating and improving overall efficiency. Additionally, the two-stage design allows the compressor to achieve higher compression ratios while minimizing the work done by each stage, resulting in improved energy efficiency.
Intercooling:
Intercooling is a feature specific to two-stage compressors. Intercoolers are heat exchangers placed between the first and second compression stages. They cool down the partially compressed air before it enters the second stage, reducing the temperature and improving compression efficiency. The intercooling process helps to minimize heat buildup and reduces the potential for moisture condensation within the compressor system.
Applications:
The choice between a single-stage and two-stage compressor depends on the intended application. Single-stage compressors are commonly used for light-duty applications such as powering pneumatic tools, small-scale workshops, and DIY projects. Two-stage compressors are more suitable for heavy-duty applications that require higher pressures, such as industrial manufacturing, automotive service, and large-scale construction.
It is important to consider the specific requirements of the application, including required pressure levels, duty cycle, and anticipated air demand, when selecting between a single-stage and two-stage air compressor.
In summary, the main differences between single-stage and two-stage air compressors lie in the number of compression stages, pressure output, efficiency, intercooling capability, and application suitability.
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What are the different types of air compressors?
There are several different types of air compressors, each with its own unique design and operating principle. Here’s an overview of the most commonly used types:
1. Reciprocating Air Compressors: Reciprocating air compressors, also known as piston compressors, use one or more pistons driven by a crankshaft to compress air. They operate by drawing air into a cylinder, compressing it with the piston’s up-and-down motion, and discharging the compressed air into a storage tank. Reciprocating compressors are known for their high pressure capabilities and are commonly used in industrial applications.
2. Rotary Screw Air Compressors: Rotary screw air compressors utilize two interlocking screws to compress air. As the male and female screws rotate, the air is trapped between them and gradually compressed as it moves along the screw threads. These compressors are known for their continuous duty cycle, high efficiency, and quiet operation. They are widely used in industrial, commercial, and automotive applications.
3. Centrifugal Air Compressors: Centrifugal air compressors rely on the principle of centrifugal force to compress air. They use a high-speed impeller to accelerate the incoming air and then convert the kinetic energy into pressure energy. Centrifugal compressors are commonly used in large-scale industrial applications that require high volumes of compressed air.
4. Rotary Vane Air Compressors: Rotary vane air compressors employ a rotor with sliding vanes that compress the air. As the rotor rotates, the vanes slide in and out of the rotor, creating compression chambers. Air is drawn in, trapped, and compressed as the vanes move. These compressors are compact, reliable, and suitable for small to medium-sized applications.
5. Axial Flow Air Compressors: Axial flow air compressors are primarily used in specialized applications such as aircraft engines and gas turbines. They utilize a series of rotating and stationary blades to compress air in a continuous flow. Axial flow compressors are known for their high flow rates and are designed for applications that require large volumes of compressed air.
6. Scroll Air Compressors: Scroll air compressors consist of two interlocking spirals or scrolls that compress the air. One spiral remains stationary while the other orbits around it, creating a series of expanding and contracting pockets that compress the air. Scroll compressors are compact, reliable, and commonly used in applications where low noise and oil-free air are required, such as medical and dental equipment.
These are just a few examples of the different types of air compressors available. Each type has its own advantages, capabilities, and ideal applications. The choice of air compressor depends on factors such as required pressure, flow rate, duty cycle, noise level, oil-free operation, and specific application requirements.
editor by CX 2023-10-25
China Standard Best Price Silent Single/Two Stage Rotary Screw Type Air Compressor Oil Free/Oilless Direct Driven 10HP-150HP 8/10/16 Bar Industrial Compresor De Aire (CE&ISO) wholesaler
Product Description
Product Description
HS series compressors are designed in accordance with the subtropical high temperature and high humidity working environment, and the optimized cooling design ensures that the unit can operate normally in a high temperature environment of 46°C.
Product Feature
1. Adhering to the concept of pursuing high-quality products, HS series compressors are designed in accordance with the subtropical high temperature and high humidity working environment, and the optimized cooling design ensures that the unit can operate continuously and normally in a high temperature environment of 46 °C.
2. Adopt the world-renowned CHINAMFG main motor. The protection grade is IP55. The insulation grade is F grade 100.
3. The gas circuit adopts the stainless steel pipe design of the American SAE standard, with low resistance and strong corrosion resistance, which completely eliminates the common problems of oil leakage, air leakage and air leakage under high pressure.
4. The patented synchronous two-stage compression technology is adopted, so that the compression ratio of each stage of the screw host is less than 6, which is lower than that of the ordinary screw air compressor, which ensures the service life of the screw host.
5. Each stage of the screw host has an independent oil cooling system and an automatic water removal system to ensure that the screw host can run stably around the clock.
6. The powerful third-generation e-Control controller has 6 operation monitoring points to comprehensively monitor the working conditions of the main engine, air filter, oil filter, oil separator, cooler and other important components, so that the compressor can run stably.
Specification
| Mode | HSV75A (W)-40 | HSV90A (W)-40 | HSV110A (W)-40 | HSV132A (W)-40 |
| Operating Pressure Bar (g) | 40 | 40 | 40 | 40 |
| Motor speed (kw) | 75 | 90 | 110 | 132 |
| Exhaust volume (m³/min) | 5.5 | 7.2 | 9.0 | 10.0 |
| Cooling method | water cooling | water cooling | water cooling | water cooling |
| Noise dB(A) | 72(75) | 74(78) | 74(78) | 74(78) |
| Length | 2550 | 3150 | 3150 | 3150 |
| Width | 1480 | 1880 | 1880 | 1880 |
| Height | 1850 | 1850 | 1850 | 1850 |
| Mode | HSV75A (W)-35 | HSV110A (W)-30 | HSV55A-25 | HSV90A-25 |
| Operating Pressure Bar(g) | 35 | 30 | 25 | 25 |
| Motor speed (kw) | 75 | 110 | 55 | 90 |
| Exhaust volume (m³/min) | 7.6 | 11.0 | 5.4 | 9.5 |
| Cooling method | air cooling (water cooling ) | air cooling(water cooling ) | 74(78) | air cooling |
| Noise dB(A) | 72(75) | 74(78) | 72(75) | 74(78) |
| Length | 2550 | 3150 | 2550 | 3150 |
| Width | 1480 | 1880 | 1480 | 1880 |
| Height | 1850 | 1850 | 1850 | 1850 |
| Mode | HSV180A-25 | HSV110A (W)-20 | ||
| Operating Pressure Ba(g) | 25 | 20 | ||
| Motor speed (kw) | 180 | 110 | ||
| Exhaust volume (m³/min) | 19.0 | 12.5 | ||
| Cooling method | air cooling(water cooling ) | air cooling(water cooling ) | ||
| Noise dB(A) | 78(82) | 74(78) | ||
| Length | 3980 | 3150 | ||
| Width | 1980 | 1880 | ||
| Height | 1980 | 1850 |
| After-sales Service: | Online |
|---|---|
| Warranty: | 3000hours |
| Lubrication Style: | Lubricated |
| Customization: |
Available
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Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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What Is the Role of Water Separators in Water-Lubricated Compressors?
In water-lubricated compressors, water separators play a crucial role in maintaining the integrity and performance of the compressed air system. Here’s a detailed explanation of their role:
Water separators, also known as moisture separators or condensate separators, are components within the compressed air system that are specifically designed to remove water or moisture from the compressed air stream. They help ensure that the compressed air remains dry and free from excessive moisture, which can cause various issues in the system and downstream equipment.
The primary role of water separators in water-lubricated compressors is to separate and remove water that is present in the compressed air due to the compression process and condensation. Here’s how they accomplish this:
- Condensate Separation: During the compression of air, moisture present in the air is compressed along with the air molecules. As the compressed air cools down after the compression stage, the moisture condenses into liquid form. Water separators are designed to efficiently separate this condensate from the compressed air stream, preventing it from entering downstream equipment, pipelines, or end-use applications.
- Gravity and Centrifugal Separation: Water separators utilize various separation principles to separate the condensate from the compressed air. Gravity-based separators rely on the difference in density between the water droplets and the compressed air to allow the water to settle at the bottom of the separator, where it can be drained out. Centrifugal separators use centrifugal force to spin the air and water mixture, causing the water droplets to be thrown outwards and collected in a separate chamber.
- Coalescing and Filtration: Water separators often incorporate coalescing and filtration mechanisms to enhance their efficiency. Coalescing filters are used to capture and merge small water droplets into larger droplets, making it easier for the separator to separate them from the compressed air. Filtration elements, such as fine mesh or media, may be incorporated to remove any remaining water droplets or particulate matter that could potentially pass through the separator.
- Automatic Drainage: To ensure continuous and efficient operation, water separators are equipped with automatic drain valves. These valves periodically or on demand, expel the collected condensate from the separator. Automatic drainage prevents the accumulation of water in the separator, which can lead to reduced separation efficiency, increased pressure drop, and potential damage to downstream equipment.
By effectively removing water and moisture from the compressed air stream, water separators help prevent issues such as corrosion, clogging, freezing, and degradation of pneumatic equipment and processes. They contribute to maintaining the quality and reliability of the compressed air system while protecting downstream components and applications from the negative effects of moisture.
It is important to note that proper sizing, installation, and maintenance of water separators are essential to ensure their optimal performance. Regular inspection and maintenance of the separators, including draining the collected condensate, replacing filtration elements, and checking for any leaks or malfunctions, are necessary to ensure the efficient operation of water-lubricated compressors and the overall compressed air system.
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What Are the Considerations for Choosing Water-Lubricated vs. Oil-Lubricated Compressors?
When selecting between water-lubricated and oil-lubricated compressors, several considerations come into play. Here’s a detailed explanation of the key factors to consider when choosing between these two types:
Operating Environment:
- Water Sensitivity: Water-lubricated compressors are well-suited for environments where water is readily available and can be easily supplied to the compressor system. On the other hand, oil-lubricated compressors are more suitable for applications where water is not readily available or where water contamination could pose a problem.
- Cleanliness Requirements: If the application demands a high level of cleanliness, such as in certain manufacturing processes or cleanroom environments, water-lubricated compressors may be preferred. Water is inherently cleaner than oil and reduces the risk of oil contamination in sensitive operations.
Maintenance and Service:
- Lubricant Replacement: Oil-lubricated compressors require regular oil changes and maintenance to ensure proper lubrication and performance. Water-lubricated compressors, on the other hand, eliminate the need for oil changes and associated maintenance tasks, simplifying the maintenance requirements.
- Oil Contamination: Oil-lubricated compressors carry the risk of oil contamination in the compressed air system. This can be a concern in certain applications where oil contamination can negatively impact product quality or downstream equipment. Water-lubricated compressors reduce the risk of oil contamination, making them advantageous in such applications.
Environmental Impact:
- Oil Disposal: Oil-lubricated compressors generate used oil that requires proper disposal in accordance with environmental regulations. Water-lubricated compressors eliminate the need for oil disposal, contributing to a reduced environmental impact.
- Energy Efficiency: In terms of energy efficiency, water-lubricated compressors tend to have an advantage. Water has a higher specific heat capacity than oil, meaning it can absorb and dissipate heat more effectively. This can result in improved cooling efficiency and potentially lower energy consumption compared to oil-lubricated compressors.
Application-Specific Factors:
- Operating Pressure: Water-lubricated compressors are generally suitable for lower to moderate operating pressures. Oil-lubricated compressors, on the other hand, can handle higher operating pressures, making them more appropriate for applications that require higher pressure levels.
- Temperature Sensitivity: Water-lubricated compressors may have limitations in applications where low temperatures are encountered. Water freezing or becoming slushy can cause operational issues. Oil-lubricated compressors, with appropriate low-temperature oil formulations, can better handle such temperature-sensitive conditions.
Cost Considerations:
- Initial Cost: Water-lubricated compressors generally have a lower initial cost compared to oil-lubricated compressors. This cost advantage can be attractive for applications with budget constraints.
- Maintenance Cost: Over the long term, water-lubricated compressors may have lower maintenance costs due to the elimination of oil changes and associated maintenance tasks. However, it’s important to consider the specific maintenance requirements and costs associated with each type of compressor.
By considering these factors, including the operating environment, maintenance and service requirements, environmental impact, application-specific factors, and cost considerations, one can make an informed decision when choosing between water-lubricated and oil-lubricated compressors.
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How does a water lubrication system work in air compressors?
A water lubrication system in air compressors is designed to provide lubrication and cooling to the internal components of the compressor using water as the lubricant. This system offers an alternative to traditional oil lubrication systems and has specific advantages in certain applications. Here’s a detailed explanation of how a water lubrication system works in air compressors:
1. Water Injection:
In a water lubrication system, a controlled amount of water is injected into the compression chamber of the air compressor. This can be achieved through various methods, such as direct injection or atomization of water droplets.
2. Lubrication:
As the compressed air is generated, the injected water serves as a lubricant for the internal components of the compressor. The water forms a thin film on the surfaces, reducing friction and wear between the moving parts. This lubrication helps to improve the efficiency and lifespan of the compressor.
3. Cooling:
The water injected into the compression chamber also acts as a cooling medium. As the air is compressed, heat is generated, and the injected water absorbs some of this heat. The water carries away the heat, preventing excessive temperature rise and maintaining optimal operating conditions for the compressor.
4. Separation and Filtration:
After serving its lubrication and cooling purposes, the water needs to be separated from the compressed air. The compressed air and water mixture pass through a separator or filtration system, which separates the water from the compressed air. This can involve mechanisms such as centrifugal force, gravity separation, or filtration media.
5. Water Treatment:
In water lubrication systems, proper water treatment is essential to maintain the quality and performance of the system. Water filtration and purification processes are employed to remove impurities, contaminants, and any solid particles present in the water. This ensures that the injected water is clean and free from any substances that could potentially harm the compressor or the downstream air system.
6. Recirculation or Discharge:
Depending on the specific design of the water lubrication system, the separated water can be recirculated back into the system for reuse or discharged from the compressor. Recirculation systems involve the treatment and filtration of the water before reintroducing it into the compression chamber. Discharge systems, on the other hand, may involve further treatment or disposal of the water in an environmentally responsible manner.
By utilizing a water lubrication system, air compressors can benefit from reduced oil consumption, improved air quality, and enhanced energy efficiency. These systems are commonly employed in industries where oil contamination must be avoided, such as food processing, pharmaceutical manufacturing, and electronics production.
editor by CX 2023-10-23