China manufacturer 14bar 14m3/Min Portable Air Compressor Screw Type The CHINAMFG with Hot selling

Product Description

14bar 14m3/min portable air compressor screw type the screw compressor

Our double axle, diesel driven CHINAMFG range can be found in a wide variety of applications throughoout in China. This Popular range has been successfully ultilized on many major railway, building and road constructions projects. Hydro-electric, shipbuilding, mining, tunneling, and major land excavation projects are further examples of where CHINAMFG has been used to enhance productivity.

Featuring high capacities, high pressure variants the CHINAMFG double axle range combines top quality screw air ends with well proven CHINAMFG diesel engines and simple mechanical controls.

 

Model Free air delivery (m3/min) Working pressure
(bar)
max./min.Working speed(rpm) Engine Cylinders dimension(mm) Operational weight(kg)
120-14 12 14 2300-1270 CUMMINS 
6BTA5.9-C180
6 3525*1770*2230 3100
130-17 13 17 2200-1450 CUMMINS
6BTAA5.9-C205
6 3525*1770*2230 3500
170-13 17 15 2200-1400 CUMMINS
6CTAA8.3-C240
6 3525*1770*2230 3500
184-12 18.4 12 2200-1400 CUMMINS
6CTAA8.3-C240
6 3525*1770*2230 3500
202-10 20.2 10 2200-1400 CUMMINS
6CTAA8.3-C240
6 3525*1770*2230 3500
214-9 21.4 8,6 2200-1400 CUMMINS
6CTAA8.3-C240
6 3525*1770*2230 3500
239-7 23.9 7 2000-1400 CUMMINS
6LTAA8.3-C315
6 4210*1800*2631 4600
230-14 23 14 2000-1400 CUMMINS
6LTAA8.3-C315
6 4210*1800*2631 4600
250-12 25 12 2000-1400 CUMMINS
6LTAA8.3-C315
6 4210*1800*2631 4600
270-10 27 10 2000-1400 CUMMINS
6LTAA8.3-C315
6 4210*1800*2631 4600
290-9 29 8,6 2000-1400 CUMMINS
6LTAA8.3-C315
6 4210*1800*2631 4600
180-19 18 19 2200-1400 CUMMINS
6CTAA8.3-C260
6 4210*2040*2631 5100
215-21 21.5 21 2000-1300 CUMMINS
QSL8.9-C325-30
6 4210*2040*2631 4850
213-17 23.1 17 2000-1300 CUMMINS
QSL8.9-C325-30
6 4210*2040*2631 4850
300-17 30 25 1600-1100 CUMMINS
QSZ 13-C475
6 4710*2100*2570 5750
330-21 33 21 1600-1100 CUMMINS
QSZ 13-C475
6 4710*2100*2570 5750

Company Profile:

Glorytek Industry (ZheJiang ) Co., Ltd. is an integrated corporation specialized in manufacturing and exporting top quality drilling equipment and drilling parts for more than 20 years. We are supported and assisted by highly experienced R&D team and enginners that enable us to complete all the assigned projects successfully as per clients’ requirements.

Our factory covers an area of 250,000 square meters, construction area is about 150,000 square meters, having machining machinery, CNC processing center, friction welding machine, testing equipments etc. over 200 sets and more than 600 employees.

Our products have been exported more than 60 countries, including Australia, Russia, Soutn Africa, Zimbabwe, Malaysia, Indonesia, South Korea, France, Sweden, USA, Canada, Haiti etc.

After-Sale Service:

* Training how to instal the machine, training how to use the machine. 
* Engineers available to service machinery overseas.

FAQ
 

Q: Are you a factory or a trading company?
A: We are an integrated corporation specialized in manufacturing and exporting.

Q: What is your payment terms?
A: We can accept T/T,L/C.

Q:.What is your MOQ? How long is the delivery time?
A: Our MOQ is 1 sets. Normally for drill rig, the delivery time is about 25-30 days after receiving payment, the drilling tools would be about 15 days.

Q:. How long is the warranty?
A: The guarantee period for mainframe is 1 year (excluding the quick wear parts).

Q: Can we print my Logo on the products?
A: Yes, we can. We support OEM .

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Lubrication Style: Lubricated
Cooling System: Air Cooling
Power Source: Diesel Engine
Cylinder Position: Horizontal
Structure Type: Closed Type
Installation Type: Movable Type
Customization:
Available

|

air compressor

Are There Oil-Free Screw Compressors Available?

Yes, oil-free screw compressors are available in the market to cater to applications where oil contamination is a concern. Here’s a detailed explanation:

Oil-free screw compressors, as the name suggests, are designed to operate without the use of lubricating oil in the compression chamber. These compressors offer several advantages in industries where oil-free compressed air or gas is required, such as in food and beverage, pharmaceutical, electronics, and certain manufacturing processes.

The key features and considerations of oil-free screw compressors include:

  • 1. Specialized Design: Oil-free screw compressors are designed with specialized materials, coatings, and sealing systems to eliminate the need for lubricating oil in the compression process. The rotors and other internal components are constructed to ensure minimal friction and wear, even in the absence of oil.
  • 2. Dry Compression: Unlike lubricated screw compressors, oil-free screw compressors rely on dry compression methods. The compression chamber is designed to achieve compression without the presence of oil, ensuring that the discharged air or gas is free from oil contaminants. This is particularly critical in industries where oil contamination can have detrimental effects on product quality or equipment performance.
  • 3. Sealing Technology: Oil-free screw compressors employ advanced sealing technologies to prevent air or gas leakage between the high-pressure and low-pressure sides of the compressor. These sealing systems ensure efficient compression while maintaining the required clearances between the rotors and the compressor housing.
  • 4. Cooling Systems: Oil-free screw compressors utilize alternative cooling methods, such as air or water cooling, to dissipate the heat generated during compression. Efficient cooling is crucial to prevent overheating and ensure reliable operation.
  • 5. Filtration Systems: Oil-free compressors often incorporate high-quality filtration systems to remove particulates, moisture, and other contaminants from the incoming air or gas. These filtration systems help maintain the integrity of the compressor and ensure the delivery of clean, oil-free compressed air or gas.
  • 6. Application-Specific Solutions: Oil-free screw compressors are available in various sizes and configurations to meet specific application requirements. They can be tailored to deliver the desired air or gas flow rates, pressures, and purity levels.

It’s important to note that oil-free screw compressors generally have higher initial costs compared to lubricated compressors due to their specialized design and materials. However, they offer benefits such as reduced maintenance, minimized risk of oil contamination, and compliance with stringent industry standards or regulations.

When considering an oil-free screw compressor, it’s crucial to assess the specific application needs, air quality requirements, and operating conditions. Consulting with manufacturers or suppliers can help in selecting the most suitable oil-free screw compressor for a particular industry or process.

In summary, oil-free screw compressors are available and offer a reliable and efficient solution for applications where oil-free compressed air or gas is essential. These compressors are designed with specialized features to ensure dry compression, reliable sealing, effective cooling, and high-quality filtration.

air compressor

What Is the Impact of Ambient Temperature on Screw Compressor Performance?

Ambient temperature has a significant impact on the performance of screw compressors. Here’s a detailed explanation:

Screw compressors, like other types of compressors, rely on the surrounding environment to dissipate heat and maintain optimal operating conditions. The ambient temperature directly affects the compressor’s efficiency, capacity, power consumption, and overall performance.

Here are the key ways in which ambient temperature influences screw compressor performance:

1. Cooling Efficiency:

The cooling efficiency of a screw compressor is affected by the temperature difference between the compressed gas and the ambient air. As the ambient temperature increases, the temperature difference decreases, making it more challenging to transfer heat effectively. This can lead to higher discharge temperatures and reduced cooling efficiency, potentially impacting the compressor’s overall capacity and performance.

2. Capacity and Power Consumption:

Higher ambient temperatures can decrease the capacity of a screw compressor. Compressors are typically designed and rated based on specific operating conditions, including a defined ambient temperature range. When the ambient temperature exceeds the design limits, the compressor may experience reduced volumetric efficiency, resulting in a decrease in its overall capacity. Additionally, the compressor may require more power to maintain the desired pressure levels, leading to increased power consumption.

3. Heat Recovery:

In some applications, screw compressors are equipped with heat recovery systems to utilize the waste heat generated during compression. The effectiveness of heat recovery is influenced by the ambient temperature. Higher ambient temperatures can reduce the temperature differential available for heat exchange, limiting the potential for heat recovery and decreasing the overall system efficiency.

4. Lubrication and Cooling:

Screw compressors rely on lubrication systems to reduce friction and prevent wear between moving parts. The ambient temperature affects the performance of the lubricant. In high ambient temperatures, the lubricant may experience decreased viscosity, potentially leading to inadequate lubrication and increased wear on compressor components. Similarly, the cooling system of the compressor, including fans and heat exchangers, may be less effective in higher ambient temperatures, impacting the compressor’s ability to dissipate heat.

5. Operating Envelope:

Screw compressors have specified operating envelopes, which define the acceptable range of operating conditions, including ambient temperature. Operating the compressor outside its designed ambient temperature range can result in reduced reliability, increased maintenance requirements, and potential system failures. It is crucial to adhere to the manufacturer’s guidelines and ensure that the compressor operates within the recommended ambient temperature limits.

6. Control and Protection:

Modern screw compressors often feature advanced control and protection systems that monitor various parameters, including ambient temperature. These systems may adjust compressor operation, such as modulation of capacity or cooling strategies, to optimize performance and protect the compressor from operating outside safe limits. Understanding the impact of ambient temperature allows for appropriate adjustments and settings to maintain reliable and efficient compressor operation.

It’s important to note that different compressor models and manufacturers may have specific performance characteristics and operating limits. Therefore, consulting the manufacturer’s documentation and guidelines for the particular screw compressor in use is essential.

In summary, ambient temperature significantly affects the performance of screw compressors. Higher ambient temperatures can reduce cooling efficiency, decrease compressor capacity, increase power consumption, and impact lubrication and cooling systems. Adhering to recommended operating conditions and considering ambient temperature limitations are crucial for ensuring optimal performance, reliability, and longevity of screw compressors.

air compressor

How Does a Screw Compressor Work?

A screw compressor operates based on a unique rotary positive displacement principle. Here’s a detailed explanation:

Working Principle:

A screw compressor consists of two helical rotors, typically referred to as male and female rotors, that rotate in opposite directions within a housing. The rotors have specially designed profiles that interlock with each other, creating a series of compression chambers as they rotate. The compression chambers gradually reduce in volume as the rotors rotate, compressing the air or gas trapped inside.

Suction Process:

The suction process begins when the rotors start rotating. As they rotate, the helical lobes or threads on the rotors create expanding spaces between them. The expanding spaces draw in the air or gas from the inlet port, allowing it to enter the compression chamber. The suction process continues as the rotors rotate, and the expanding spaces move the air or gas towards the discharge side of the compressor.

Compression Process:

As the air or gas enters the compression chamber, it gets trapped between the interlocking lobes or threads of the rotors. As the rotors continue to rotate, the trapped air or gas is carried along the length of the rotors. The volume of the compression chamber gradually decreases as the lobes or threads of the rotors intermesh, compressing the air or gas. The compression process is continuous and smooth as the air or gas moves from the suction side to the discharge side of the compressor.

Discharge Process:

Once the air or gas reaches the discharge end of the compression chamber, it is pushed towards the outlet port. The compressed air or gas is then released from the compressor through the outlet port to be used for various applications.

Oil-Injected and Oil-Free Variants:

Screw compressors are available in both oil-injected and oil-free variants. In oil-injected screw compressors, a small amount of lubricating oil is injected into the compression chamber. The oil provides lubrication, cooling, and sealing between the rotors, reducing friction and minimizing wear. The oil-injected variant is commonly used in industrial applications where a small amount of oil in the compressed air is acceptable.

Oil-free screw compressors, on the other hand, are designed to operate without the need for oil lubrication. These compressors use 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, such as in the food and beverage, pharmaceutical, and electronics industries.

In summary, a screw compressor works by utilizing interlocking helical rotors to compress air or gas. The rotating rotors draw in the air or gas during the suction process, and as they rotate, the trapped air or gas is compressed within the compression chamber. The compressed air or gas is then discharged from the compressor. Screw compressors are available in oil-injected and oil-free variants, catering to different application requirements.

China manufacturer 14bar 14m3/Min Portable Air Compressor Screw Type The CHINAMFG   with Hot sellingChina manufacturer 14bar 14m3/Min Portable Air Compressor Screw Type The CHINAMFG   with Hot selling
editor by CX 2024-04-26

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