China Professional Hf28/25 (L) Diesel Portable Screw Air Compressor with Great quality

Product Description

HF28/25 (L)  Diesel Portable Screw Air Compressor

Atlas custom controller
The main parameters are displayed on a single page Ensure safe and reliable operation of equipment, provide a variety of abnormal alarm and automatic shutdown protection
Reliability
Solid design ensures long – term reliability and durability of the equipment Convenient maintenance Open door design, convenient for daily maintenance work
Country 3 emission engine
In line with China’s third stage non-road diesel engine emission standards The fuel injection system adopts the international advanced high pressure common rail technology, the electric control type fuel injection, the effect is higher, the horsepower is more sufficient Low emission, green and environmental protection
Diesel fuel self-sufficiency
Even under the condition of 100% full load and continuous operation
Low noise
Mobile locomotive canopy and canopy design have a strong role in noise reduction, sound absorption
Blasting hole drilling
From aggregate mineral, limestone to metal mineral mining, blasting hole drilling construction is most often used in difficult, remote areas, this kind of harsh working environment, which requires a CHINAMFG and stable equipment to perform the task.The mobile air compressor is equipped with a low temperature and high altitude starter package, large capacity diesel tank can meet the needs of uninterrupted long time operation and other satisfactory solutions.Simple equipment operation and convenient maintenance also ensure the maximum working time. Application example: it is suitable for various types of mineral mining and provides power for various types of pneumatic drilling rig.It is widely used in iron ore, copper, gold, and cement factories to drill for small boulders that yield valuable minerals or are processed into smaller particles or powders that are made into cement.
Building preparation application
From residential buildings, to the construction of office buildings or other commercial buildings, as well as the construction of tunnels, Bridges, airports, etc., equipment is required to be used in hot, high dust conditions.The CHINAMFG mobile is designed to address this need.High-powered engines provide excess power to accommodate the worst conditions.The large capacity tank satisfies the requirement of uninterrupted operation under 1 working shift even when used at 100% full load.The configuration of large area cooler and exhaust fan ensures the equipment to work normally under ultra-high temperature conditions.The compressor electronic control unit (ECU) + electric injection diesel engine makes the operation and use of the equipment convenient, the response speed of the equipment is faster, the efficiency is higher, and the productivity without pressure drop is guaranteed. Application example: it can provide the driving force of field construction equipment for pneumatic rock drill, plate cutting machine, drainage pump and manual crushing hammer.These engineering equipment is suitable for building and road construction, as well as the excavation and construction of foundation, roadbed, slope stability, etc.
Size Information

Model

HF35/25 (L)

HF28/25 (L)

Working Ptessure bar

25-15

25-18

Flow Rate m³/min

35-40

28-31

Sound Power Levels

83≠3

82=3

Fuel tank Capacity,L

780

500

Compressor Oil Capacity,L

100

75

Outlet valves.QtyXSize

1xG2 1xG3/4

1xG2 1xG3/4

Engine

 

 

Engine Maker

CHINAMFG

CHINAMFG

Engine Model

QSZ13-C500-30

6MK400-H300

Ensine Power kW

354

295

Normal Engine Speed rpm

1700-1850

1750-1900

Unloading Engine Speed.rpm

1300

1200

Engine Inspiration

Torbue Charger

Torbue Charger

Diamension& Weight(Bor Mounted)

 

 

Length mm

4486

3985

Width mm

2100

1800

Height mm

2180

2200

Weight kg

5150

4550

 

Company introduction
CHINAMFG Group established in 1998 is a key enterprise in the industry of geological exploration and water well field, with the ability to research,manufacture and market. Now, the Group pursues high standard manufacturing and qualified products. It has more than 20 species such as water well drilling rig, core drilling rig, engineering drilling rig, DTH drilling rig,
horizontaldirectional drilling rig, etc. These machines are mainly used in geological prospecting, exploration of railway and
highway engineering, mining, SPT, water well, geothermal well etc. Some of them won the Scientific and Technical Advance Prize or the National Scientific Research Achievement Prize. All the products have passed the quality system certification of ISO9001:2000 and are national inspection-free products.

1. More than 30 years of experience 
The factory is located in ZheJiang Province, China. We are very welcome to visit our factory. If
you need it, we will arrange a pick-up.
2.Top production team 
The transportation and packaging will be packaged in international standards. If you have special packaging requirements, we will give you the most suitable solution.
3.Our Service 
– New machine provides technical trair.
– Once anything goes wrong with the machine by normal using, our technical person must appear at the first time no matter where you are.
– When the machine should be maintained, you will receive the reminding from us.
– According to different geological conditions, we will recommend different construction plans for you
– Remind you which are wearing parts, so you can prepare enough.
– 24 hours respond to your quality problem.

our customers

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Lubrication Style: Lubricated
Cooling System: Water Cooling
Power Source: Diesel Engine
Structure Type: Open Type
Installation Type: Movable Type
Type: Single Screw Compressor
Customization:
Available

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air compressor

What Safety Precautions Should Be Taken When Operating Screw Compressors?

When operating screw compressors, it is important to follow specific safety precautions to ensure the well-being of personnel and prevent potential accidents. Here’s a detailed explanation:

1. Familiarize Yourself with the Equipment:

  • Before operating a screw compressor, thoroughly read and understand the manufacturer’s instructions, safety guidelines, and operating procedures. Familiarize yourself with the specific features, controls, and safety devices of the compressor.

2. Wear Appropriate Personal Protective Equipment (PPE):

  • Wear the necessary PPE, such as safety glasses, hearing protection, gloves, and appropriate clothing, when operating the compressor. PPE helps protect against potential hazards, including flying debris, noise, and contact with hot or moving parts.

3. Ensure Proper Ventilation:

  • Operate the screw compressor in a well-ventilated area to prevent the buildup of potentially harmful gases or fumes. Ensure that the compressor’s intake and exhaust vents are not obstructed, allowing for adequate airflow.

4. Compressor Location:

  • Position the compressor on a stable and level surface to prevent tipping or instability during operation. Ensure that the compressor is located away from flammable materials, heat sources, or sources of ignition.

5. Electrical Safety:

  • Follow electrical safety guidelines and ensure that the compressor is properly grounded. Avoid using damaged or frayed electrical cords and ensure that the electrical connections are secure.

6. Lockout/Tagout Procedures:

  • Before performing any maintenance or repair tasks on the compressor, follow lockout/tagout procedures to isolate electrical power and prevent accidental startup. Lockout/tagout procedures help protect against unexpected energization of the compressor or its components.

7. Pressure Relief:

  • Before performing any maintenance tasks or opening the compressor, ensure that all pressure has been relieved from the system. Follow proper procedures for depressurizing the compressor and associated piping to avoid sudden releases of pressure.

8. Hot Surfaces:

  • Be cautious of hot surfaces, such as compressor casings, piping, or discharge components. Allow sufficient cooling time before touching or performing maintenance tasks on hot surfaces to avoid burns.

9. Maintenance and Inspection:

  • Adhere to the manufacturer’s recommended maintenance schedule and perform regular inspections of the compressor. Replace any worn or damaged components promptly to prevent potential hazards or malfunctions.

10. Emergency Procedures:

  • Be familiar with emergency procedures, including how to shut down the compressor in case of an emergency, how to respond to leaks or spills, and how to handle fire or electrical incidents. Have emergency contact information readily available.

11. Training and Qualified Personnel:

  • Ensure that operators and maintenance personnel are adequately trained in the safe operation and maintenance of screw compressors. Only allow qualified personnel to perform maintenance or repair tasks.

It is essential to consult the specific safety guidelines provided by the manufacturer of the screw compressor as they may include additional precautions or recommendations.

In summary, when operating screw compressors, it is important to familiarize yourself with the equipment, wear appropriate PPE, ensure proper ventilation, follow electrical safety measures, implement lockout/tagout procedures, be cautious of hot surfaces, perform regular maintenance and inspections, and be prepared with emergency procedures. By following these safety precautions, the risk of accidents or injuries can be minimized, ensuring a safe working environment when operating screw compressors.

air compressor

Can Screw Compressors Be Used for Refrigeration?

Yes, screw compressors can be used for refrigeration applications. Here’s a detailed explanation:

Screw compressors are versatile and widely used in various industrial applications, including refrigeration. They are known for their efficiency, reliability, and ability to handle high-capacity refrigeration systems. Screw compressors work by compressing refrigerant gas, increasing its pressure and temperature, and then transferring the heat to the surrounding environment.

Here are some key points regarding the use of screw compressors in refrigeration:

1. Industrial Refrigeration Systems:

Screw compressors are commonly employed in large-scale industrial refrigeration systems, such as those used in cold storage facilities, food processing plants, beverage production, and HVAC systems for commercial buildings. These systems require high cooling capacities and continuous operation, making screw compressors an ideal choice.

2. Positive Displacement Compressors:

Screw compressors belong to the category of positive displacement compressors. They use two interlocking helical rotors (screws) to trap and compress the refrigerant gas. This design ensures a continuous flow of refrigerant and allows for efficient compression over a wide range of operating conditions.

3. Oil-Injected and Oil-Free Types:

Screw compressors can be either oil-injected or oil-free. Oil-injected screw compressors use oil for lubrication and cooling, which helps reduce friction and extend the compressor’s lifespan. In contrast, oil-free screw compressors use specialized coatings and materials to eliminate the need for oil, making them suitable for applications where oil contamination is a concern, such as in the pharmaceutical or food industries.

4. Multi-Stage Compression:

In refrigeration applications, screw compressors are often used in multi-stage configurations to achieve higher pressure ratios and improve overall system efficiency. Multi-stage compression involves compressing the refrigerant gas in multiple stages, typically with intermediate cooling between each stage, to reduce the work required for compression and enhance system performance.

5. Variable Speed Control:

Screw compressors can be equipped with variable speed drives (VSD) that allow for precise control of the compressor’s rotational speed. VSD technology enables the compressor to adjust its capacity according to the refrigeration load, resulting in energy savings and improved system performance.

6. System Integration:

Screw compressors are often integrated into complex refrigeration systems, working in tandem with other components such as condensers, evaporators, expansion valves, and control systems. This integration ensures efficient heat transfer, proper refrigerant flow, and effective temperature control.

It’s important to note that the selection of a screw compressor for refrigeration applications should consider factors such as cooling capacity requirements, operating conditions, refrigerant type, system configuration, and specific industry regulations.

In summary, screw compressors are well-suited for refrigeration applications, especially in industrial settings. Their efficiency, reliability, and capacity make them a popular choice for large-scale refrigeration systems. Whether in cold storage facilities, food processing plants, or HVAC systems, screw compressors play a crucial role in maintaining optimal temperatures and preserving perishable goods.

air compressor

Can Screw Compressors Handle High-Pressure Applications?

Yes, screw compressors are capable of handling high-pressure applications. Here’s a detailed explanation:

Screw compressors are known for their ability to deliver high-pressure compressed air or gas. The design of screw compressors allows them to achieve higher pressure ratios compared to other types of compressors, such as reciprocating piston compressors.

The compression process in screw compressors is continuous and smooth, which enables them to handle high-pressure requirements efficiently. The intermeshing rotors create compression chambers that gradually reduce in volume, resulting in the compression of air or gas. By adjusting the rotational speed of the rotors and optimizing the design parameters, screw compressors can generate the desired high discharge pressures.

However, it’s important to note that the maximum pressure capability of a screw compressor may vary depending on factors such as:

  • 1. Compressor Design: The design features of the screw compressor, including the rotor profile, sealing mechanism, and cooling system, can influence its maximum pressure capacity.
  • 2. Rotor Size and Speed: The size and rotational speed of the rotors impact the compression ratio and, consequently, the achievable discharge pressure. Larger rotors and higher rotational speeds generally allow for higher pressure ratios.
  • 3. Drive Power: The power of the drive motor connected to the screw compressor affects its ability to handle high-pressure applications. Adequate power is necessary to overcome the resistance and maintain the desired compression ratio.
  • 4. Structural Integrity: The structural integrity and material strength of the compressor housing, rotors, and other components determine the maximum pressure that the compressor can withstand without failure or leakage.

It’s important to select a screw compressor with the appropriate specifications and consult the manufacturer’s guidelines to ensure that it can handle the specific high-pressure requirements of the application.

Additionally, it’s worth noting that high-pressure applications may also require additional equipment, such as pressure vessels or downstream pressure regulators, to safely handle and control the compressed air or gas at the desired pressure levels.

China Professional Hf28/25 (L) Diesel Portable Screw Air Compressor   with Great qualityChina Professional Hf28/25 (L) Diesel Portable Screw Air Compressor   with Great quality
editor by CX 2024-05-03

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