Product Description
Product Description
11kW 15hp Electric Air Compressor Custom Screw Silent Oil Free Scroll Air Compressor
Model: DHH11OS
Free air delivery: 1.25m3/min
Working pressure: 8 bar
Control: PLC
Driven: direct
Cooling: by air
Electric motor: Permanent Magnet type 15hp 7.5KW
Discharge temperature: less than ambient +8 ºC
Noise: less than 58dB(A)
Air outlet size: 3/4″
Dimension: 1150*690*1700mm
Weight: 430kg
Working principle
The compression process of the oil-free scroll is realized by the rotating motion of the stationary scroll and the movable scroll.
The air enters from the outside of the main engine, and after the air is sucked in, the moving scroll closes the air inlet. With the rotation of the movable scroll, the air is continuously compressed, and the compressed oil-free air is sent from the center of the stationary scroll. This process is repeated continuously to ensure that the discharged compressed air is continuous and without fluctuation.
Features and advantages
100% oil free
It can be used in any industry, especially suitable for users who require high oil content in compressed air.
Run quietly
Scroll air compressors operate with extremely low noise and a healthier working environment.
Easy to install
It occupies a small area and can be installed near the gas point, thereby reducing the installation of compressed air pipe network and effectively reducing the installation cost of the pipe network.
Simple maintenance
There is no need to replace or add lubricating oil, only a small amount of consumables need to be replaced regularly, and the maintenance cost is low.
Zero emission
Only condensate is discharged, no harmful substances are discharged, in line with sustainable development goals.
Technical Parameters
| Model | Capacity(m³/min ) | Power(kW) | Host architecture | Exhaust pressure(Mpa) | Noise(dB) | Outlet diameter | Dimensions (mm) L*W*H | Weight(kg) |
| DHH2OS | 0.24 | 2.2 | 2.2*1 | 0.8 | 58±2 | 1/2 | 640*660*890 | 200 |
| DHH3OS | 0.41 | 3.7 | 3.7*1 | 0.8 | 58±2 | 1/2 | 640*660*890 | 220 |
| DHH3OS | 0.36 | 3.7 | 3.7*1 | 1 | 58±2 | 1/2 | 640*660*890 | 220 |
| DHH5OS | 0.60 | 5.5 | 5.5*1 | 0.8 | 58±2 | 1/2 | 640*660*890 | 240 |
| DHH7OS | 0.82 | 7.5 | 3.7*2 | 0.8 | 58±2 | 3/4 | 1000*690*990 | 300 |
| DHH7OS | 0.72 | 7.5 | 3.7*2 | 1 | 58±2 | 3/4 | 1000*690*990 | 300 |
| DHH11OS | 1.25 | 11 | 5.5*2 | 0.8 | 58±2 | 3/4 | 1000*690*990 | 340 |
| DHH11OS | 1.25 | 11 | 3.7*3 | 0.8 | 58±2 | 3/4 | 1150*690*1700 | 430 |
| DHH11OS | 1.08 | 11 | 3.7*3 | 1 | 58±2 | 3/4 | 1150*690*1700 | 430 |
| DHH15OS | 1.66 | 15 | 3.7*4 | 0.8 | 62±2 | 1 | 1490*1150*1290 | 620 |
| DHH15OS | 1.44 | 15 | 3.7*4 | 1 | 62±2 | 1 | 1490*1150*1290 | 620 |
| DHH16OS | 1.80 | 16.5 | 5.5*3 | 0.8 | 62±2 | 1 | 1150*690*1700 | 490 |
| DHH18OS | 2.14 | 18.5 | 3.7*5 | 0.8 | 65±2 | 1 | 1490*1150*1700 | 840 |
| DHH18OS | 1.77 | 18.5 | 3.7*5 | 1 | 65±2 | 1 | 1490*1150*1700 | 840 |
| DHH22OS | 2.55 | 22 | 5.5*4 | 0.8 | 65±2 | 1 | 1490*1150*1290 | 700 |
| DHH22OS | 2.55 | 22 | 3.7*6 | 0.8 | 65±2 | 1 | 1490*1150*1700 | 910 |
| DHH22OS | 2.11 | 22 | 3.7*6 | 1 | 68±2 | 1 | 1490*1150*1700 | 910 |
| DHH30OS | 3.40 | 30 | 3.7*8 | 0.8 | 68±2 | 5/4 | 1490*1150*2140 | 1140 |
| DHH30OS | 2.81 | 30 | 3.7*8 | 1 | 68±2 | 5/4 | 1490*1150*2140 | 1140 |
| DHH33OS | 3.60 | 33 | 5.5*6 | 0.8 | 68±2 | 5/4 | 1490*1150*1700 | 1571 |
Clean oil free compressed air
Adopt 74 degree conicity dry seamless, more reliable seamless, eliminate air leakage. Not just compression process is oil free, but also on the afterward transportation adopt stainless steel pipe, stainless steel check valve, stainless steel air receiver(for air receiver mounted), ensure the quality of compressed air.
High efficiency scroll air end
Adopt the advanced oil free scroll airend, reliable bearing and grease, make sure the reliability and long life-span of airend, high precise machine for motivated scroll, fixed scroll and housing, ensure high efficiency of airend. Reliable seamless material, ensure compression chamber and lubricated transmit 100% be separate, ensure compressed air is oil free.
High Reliability
Cooling fan adopt integrated centrifugal impeller, low noise, high cooling air pressure, high cooling air, ensure the cooling air is enough, ventilation fan adopt silence axial fan, ensure the heat inside of cabinet could be eliminated in time. Heat exchange has been increased 20%-30%, anticorrosive treatment inner structure, after strict testing, ensure the exhausting air less than environment temp.+10-15ºC, reduce the burden of downstream equipment. Adopt direct driven, not belt driven, improve transmission efficiency & reliability, reduce the maintenance cost of changing belt.
Certifications
Certificate
Project case
Project Case
Company Profile
About Us
Dehaha Compressor was founded in 1996 with over 150 skilled employees and more than 25 R&D engineersteams ‘ .We focus on the research & develop,manufacture and energy-saving solutions of screw air compressor to create value for customers and society.In 2018 our total sales volume approached 15 million US dollars.By over 23 years enhanced experiences of designing,producing and marketing,today our valued customers are over 130 countries.
Germany Standard and 13 years exporting experience help us won more than 50 loyal overseas agents.
Dehaha’s primary businesses focus in following key areas:
Oil-injected rotary screw compressors
Portable screw air compressors
Oil free air compressors
High pressure air compressors
Air treatment equipment
At Dehaha,we earn our customers’ trust and satisfaction by manufacturing the superior quality compressed air
products for all industries.All of our products are designed for reliable performance,easy maintenance,and maximum energy efficiency.We have sales representatives who can speak English,Spanish,French,and Russian which makes it easier for our clients from all over the world to interact and negotiate with us.
Dehaha continuously innovates product development and management to meet customers’ demand.The powerful enterprise culture and continuous innovation make CHINAMFG improved rapidly to reach the business principle”Energy Saving First, Mutual Value Shared”. CHINAMFG mission is to be a world-renowned high-end brand,with sustainable development,constantly improving its own value and sharing it with our customers and staff.Committed to offer our customers a silent and energy-saving manufactured products.
Our service
Our Service
1.24/7 after sales service support in different languages.
2.Follow up the feedback of products in 2 months interval by email or call.
3.Guidance of installation and commissioning on site can be provided by factory-trained technicians or local Authorized Service Center.
4.Technical training for customers in DEHAHA air compressor factory or working site.
5.Plenty of original spare parts with proven quality are all available from our central stocks in ZheJiang and all distributors’depots.
6.All kinds of technical documents in different languages.
FAQ
FAQ
Q1. Are you trading company or manufacture ?
A: We are professional manufacture of screw air compressor of ZheJiang , China, more than 24 years.
Q2. How long is the delivery time ?
A: For standard voltage ,15 working days. Non-standard ,please contact our sales.
Q3. What’s payment term ?
A: T/T, L/C, D/P, Western Union, Paypal, Credit Card, and etc. Also we could accept USD, RMB, Euro and other currency.
Q4. How about your after-sales service ?
A: 1.Provide customers with installation and commissioning online instructions.
2. Well-trained engineers available to overseas service.
3.CHINAMFG agents and after service avaiable.arrange our engineers to help you training and installation.
Q5. How about your warranty?
A: One year for the whole machine and 2 years for screw air end, except consumable spare parts.
Q6. Do you have any certificate ?
A: Yes, per different customer’s market need ,we can offer CE ,ISO etc certificate.
Q7. What about the maintenance ?
A: First maintenance need to be done after 500Hours, and then every 2000-3000 hours to do the normal maintenance, and consider the actual environment.
Q8. How do you control quality ?
A: 1.The raw materials are strictly inspected
2. Some key parts are imported from overseas
3.Each compressor must pass at least 5 hours of continuous testing before leaving the factory.
Q9. Do you offer OEM service ?
A: Yes.Both OEM & ODM service can be accepted.
Q10.How long could your air compressor be used?
A: Generally, more than 10 years.
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Shipping Cost:
Estimated freight per unit. |
To be negotiated |
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| After-sales Service: | Online Support |
|---|---|
| Warranty: | 24months |
| Lubrication Style: | Lubricated |
| Customization: |
Available
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How Do Oil-Free Scroll Compressors Compare to Oil-Lubricated Ones?
When comparing oil-free scroll compressors to oil-lubricated compressors, several factors come into play. Here’s a detailed comparison:
Oil Contamination:
One of the primary differences between the two types of compressors is the presence or absence of oil in the compression process. Oil-lubricated compressors require lubricating oil for the operation of internal components, which introduces the risk of oil carryover and contamination in the compressed air. On the other hand, oil-free scroll compressors operate without the use of lubricating oil, ensuring that the compressed air remains free from oil particles and contamination. This makes oil-free scroll compressors more suitable for applications that demand clean and oil-free compressed air, such as in medical, pharmaceutical, and electronics industries.
Maintenance Requirements:
Oil-lubricated compressors require regular maintenance to ensure proper lubrication and oil quality. This includes oil changes, oil filter replacements, and monitoring oil levels. In contrast, oil-free scroll compressors have reduced maintenance requirements since there is no need for oil changes or oil-related maintenance tasks. This can result in lower maintenance costs and less downtime for oil-free scroll compressors.
Environmental Impact:
Oil-lubricated compressors have the potential to release oil into the environment through leaks or during maintenance activities. This can have negative environmental implications and may require additional measures for proper oil disposal. Oil-free scroll compressors, on the other hand, eliminate the risk of oil contamination and minimize the environmental impact associated with oil handling and disposal.
Efficiency and Performance:
Oil-lubricated compressors and oil-free scroll compressors can both deliver compressed air efficiently. However, oil-free scroll compressors are known for their high energy efficiency due to their scroll mechanism design, which minimizes internal leakage and reduces energy losses. Additionally, the absence of oil in oil-free scroll compressors eliminates the need for oil separators, oil filters, and associated pressure drops, further contributing to improved efficiency.
Noise Levels:
Oil-lubricated compressors can generate more noise due to the reciprocating motion of components and the presence of oil in the compression process. Oil-free scroll compressors, on the other hand, operate with smooth and quiet scroll mechanisms, resulting in lower noise levels. This can be advantageous in applications where noise reduction is desired, such as in medical environments or noise-sensitive manufacturing processes.
Application Suitability:
The choice between oil-free scroll compressors and oil-lubricated compressors depends on the specific requirements of the application. Oil-lubricated compressors are commonly used in industrial applications where oil contamination is not a concern, and the focus is on high capacity and efficiency. On the other hand, oil-free scroll compressors are favored in industries that require clean, oil-free compressed air, such as medical, pharmaceutical, laboratory, and electronics manufacturing.
In summary, oil-free scroll compressors offer advantages such as oil-free compressed air, reduced maintenance requirements, lower environmental impact, high energy efficiency, and quieter operation. However, the choice between oil-free scroll compressors and oil-lubricated compressors ultimately depends on the specific needs and considerations of the application at hand.
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Can Oil-Free Scroll Compressors Be Integrated into Existing Compressed Air Systems?
Yes, oil-free scroll compressors can generally be integrated into existing compressed air systems. Here’s a detailed explanation:
Compatibility:
Oil-free scroll compressors are designed to be compatible with various compressed air systems. They can be integrated into existing systems that use oil-injected compressors or other types of compressors. The compatibility ensures that oil-free scroll compressors can be seamlessly incorporated into different applications without requiring significant modifications to the existing infrastructure.
Footprint and Installation:
Oil-free scroll compressors are available in a range of sizes and configurations to accommodate different installation requirements. They are often designed to have a compact footprint, allowing for easy integration into existing compressed air systems where space may be limited. The installation process typically involves connecting the compressor to the existing air lines, electrical power supply, and control systems, ensuring a smooth integration process.
Piping and Connection Considerations:
When integrating an oil-free scroll compressor into an existing compressed air system, it’s important to consider the compatibility of the piping and connections. The air discharge and suction connections of the oil-free scroll compressor should align with the existing system’s piping specifications to ensure proper airflow and pressure regulation. Adapters or modifications may be necessary to ensure a secure and leak-free connection between the compressor and the existing system.
Control and Monitoring Systems:
Oil-free scroll compressors often come equipped with control and monitoring systems that allow for seamless integration into existing compressed air systems. These systems can communicate with the existing control infrastructure, enabling centralized monitoring and control of the compressor’s operation. Integration with existing systems may involve connecting the compressor’s control panel or interface to the system’s supervisory control and data acquisition (SCADA) system or other monitoring devices.
System Optimization and Efficiency:
Integrating an oil-free scroll compressor into an existing compressed air system can also provide opportunities for system optimization and improved efficiency. Oil-free scroll compressors are known for their energy-efficient operation and can contribute to overall energy savings in the system. By replacing older or less efficient compressors with oil-free scroll compressors, the system’s performance and energy consumption can be optimized, resulting in cost savings and improved sustainability.
It’s important to consult with the manufacturer or a qualified professional during the integration process to ensure proper sizing, compatibility, and adherence to safety and installation guidelines. They can provide specific recommendations and guidance based on the existing compressed air system’s specifications and requirements.
In summary, oil-free scroll compressors can be integrated into existing compressed air systems with relative ease. Their compatibility, compact footprint, control systems, and potential for system optimization make them a viable option for upgrading or expanding compressed air systems.
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Can Oil-Free Scroll Compressors Be Used in Sensitive Applications?
Yes, oil-free scroll compressors are well-suited for sensitive applications that require clean and contaminant-free compressed air. Here’s a detailed explanation:
Oil-Free Operation:
An oil-free scroll compressor operates without the use of lubricating oil, which eliminates the risk of oil contamination in the compressed air. This makes it an ideal choice for sensitive applications that demand high air quality standards and where oil contamination could be detrimental. Industries such as medical, pharmaceutical, laboratory, food processing, electronics manufacturing, and clean room environments can benefit greatly from the oil-free operation of scroll compressors.
Clean Air Requirements:
Sensitive applications often require compressed air that is free from oil particles, moisture, and other contaminants. Oil-free scroll compressors provide clean and uncontaminated compressed air, ensuring that the air quality standards are met. The absence of lubricating oil in the compression process eliminates the possibility of oil carryover, ensuring that the compressed air remains oil-free.
Low Particulate Emissions:
Oil-free scroll compressors are designed to minimize the emission of particulates into the compressed air. The scroll mechanism operates with precision tolerances and smooth surfaces, reducing the generation of particulates during compression. This is especially important in applications where even small amounts of particulates can cause contamination or damage to sensitive equipment or products.
No Oil Carryover:
Oil carryover refers to the presence of oil in the compressed air that can be carried downstream and affect the performance of sensitive equipment or processes. Oil-free scroll compressors eliminate the risk of oil carryover, as there is no lubricating oil used in the compression process. This ensures that the compressed air remains free from oil contaminants and suitable for sensitive applications that require a clean and dry air supply.
Quiet Operation:
Oil-free scroll compressors are known for their quiet operation. The absence of reciprocating parts and reduced vibrations contribute to lower noise levels compared to other compressor types. This makes oil-free scroll compressors suitable for sensitive applications where noise reduction is desired, such as in medical environments, research laboratories, or noise-sensitive manufacturing processes.
Overall, oil-free scroll compressors can be successfully used in sensitive applications that require clean, dry, and contaminant-free compressed air. Their oil-free operation, low particulate emissions, absence of oil carryover, and quiet operation make them an excellent choice for industries and processes that demand high air quality and reliability.
editor by CX 2023-09-28