China Best Sales Mg CHINAMFG with Tank Air Dryer and Filter for Electricity air compressor repair near me

Product Description

Product Description

 

Product Parameters

Description of goods
Item

7.5KW
Screw
Compressor

Model

DHYC- 10A

Specification
Working Pressure                            8BAR
     
    Motor power 7.5KW
    Electricity supply 380v /50hz/3PH
    Air capacity 1200L/min
    Power source AC power
    Lubrication Style Lubricated
    Compress stage Single stage
    Cooling type Wind cooling
    Noise level 68db
    Size(L*W*H) 840*430*900mm
    Weight 130kg

Freeze Air Dryer

DH- 10AC

   
    Air capacity 1500L/min
    Working pressure 1.0Mpa
    Motor power 600w
    Electricity supply 220V/50HZ/1PH
    Cooling type Wind cooling
    Inlet Tem. 80C
    Environment tem. 0~45C
    Size(L*W*H) 730*420*680mm
    Weight 50kg

Air Tank

300L

Air capacity 300L
    Working pressure 0.8Mpa
    Material carbon steel
    Size(High*Inner
diameter)
1550*550mm
    Weight 70kg
Precision filter DH-015 Using life  
Drainer NP168 Automatic drainage  

Our Advantages

High Quality Motor

Efficient design ensures an ultra long service life of the motor. Fully enclosed motors can be used even under harsh conditions, and are equipped with phase sequence protection as standard to prevent reverse rotation.

Dry and Pure Air after Five level Filtration

Adopting high efficiency refrigerated desiccant and 5-level high efficiency precision filter, the pressure dew point is as low as 2-5 °C, the gas oil content is as low as 0.001 PPM, and the particle filtration accuracy reaches 0.01 um, ensuring that pure and dry compressed air is obtained to protect the lens from contamination.

Integrated Air Compressor Design

The integrated air compressor design is compact and saves space. After the integrated system of gas, the air index has
significantly increased, which can meet the needs of various companies’ processes and is very convenient to use.

Configuration

Portable / Stationary, We support customized services, and our commitment to quality and innovation enables us to provide diverse products to meet the specific needs of various industries.

Certifications

 

Company Profile

 

FAQ

Q1: Why Choose us?
A: Our products are all qualified by CE & ISO 9001. Our company introduces the advanced technology of German screw machine, adhering to the German industrial design concept and rigorous manufacturing process, specializing in CHINAMFG design, production and sales enterprises. We have 10 years exporting experience, which has helped us win more than 50 loyal foreign agents. We warmly welcome your small trial order for quality or market test.

Q2: Can you do OEM and ODM?
A: Yes, OEM and ODM are both available for us. With the requirements customization of the material, colors, style, the basic quantities will be advised after we discussed together.

Q3: Which shipping way can you provide?
A: We can provide shipping by sea, by air , by express and etc. according to customer requirements.

Q4: How to place order?
A: When you are ready to order, please contact us for confirm the suitable solution & plan & model. What cannot be ignored is you should provide a copy purchase order to ensure that your order is processed properly.

Q5: How about your after-sales service?
A: 1. Provide customers with installation and commissioning online instructions.
2.Prepare and Well-trained engineers available to overseas service within 1 year.
 

 

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After-sales Service: Yes
Warranty: 1 Year
Lubrication Style: Oil-less
Cooling System: Air Cooling
Power Source: AC Power
Cylinder Position: Vertical
Customization:
Available

|

air compressor

How Does Variable Speed Control Work in Screw Compressors?

Variable speed control in screw compressors is a technology that allows the compressor’s rotational speed to be adjusted according to the compressed air or gas demand. This control method offers several benefits in terms of energy efficiency and system performance. Here’s a detailed explanation:

Variable speed control, also known as variable frequency drive (VFD) or inverter control, works by adjusting the speed of the compressor’s drive motor. The drive motor is typically an electric motor that powers the rotation of the compressor’s screw rotors.

The key components and operation of variable speed control in screw compressors are as follows:

  • 1. Drive Motor: The drive motor is connected to the compressor’s screw rotors and provides the rotational power required for compression. It is an electric motor capable of operating at variable speeds.
  • 2. Inverter or Variable Frequency Drive (VFD): The inverter or VFD is an electronic device that controls the speed of the drive motor. It converts the incoming electrical power into adjustable frequency and voltage, allowing precise control of the motor’s rotational speed.
  • 3. Control System: The control system of the screw compressor monitors and adjusts the speed of the drive motor based on the compressed air or gas demand. It receives input signals from sensors that measure parameters such as pressure, flow rate, or system demand, and sends corresponding signals to the inverter or VFD to regulate the motor speed.
  • 4. Speed Adjustment: When the demand for compressed air or gas decreases, the control system reduces the motor speed by decreasing the frequency and voltage supplied by the inverter or VFD. This results in a lower rotational speed of the screw rotors, reducing the compression capacity and power consumption of the compressor.
  • 5. Energy Efficiency: Variable speed control allows the compressor to match the output to the actual demand, avoiding energy wastage associated with constant-speed compressors. By operating at lower speeds during periods of lower demand, energy consumption can be significantly reduced. This energy-saving capability is particularly advantageous in applications with varying air or gas requirements.
  • 6. Smooth Operation: Variable speed control enables smooth and gradual motor acceleration and deceleration, minimizing mechanical stress on the compressor components and reducing the likelihood of sudden pressure surges or system shutdowns.
  • 7. System Stability: By adjusting the compressor’s speed to match the demand, variable speed control helps maintain stable system pressure and prevents excessive cycling of the compressor. This contributes to improved system performance and longevity.

It’s worth noting that variable speed control is more commonly found in larger screw compressors used in industrial and commercial applications. Smaller screw compressors may utilize fixed-speed motors due to cost considerations or simpler system requirements.

Overall, variable speed control in screw compressors offers precise capacity modulation, improved energy efficiency, enhanced system stability, and reduced maintenance requirements, making it a preferred choice in many applications where compressed air or gas demand fluctuates.

air compressor

Can Screw Compressors Be Used in Food Processing?

Yes, screw compressors can be used in food processing. Here’s a detailed explanation:

Screw compressors are widely employed in various industrial applications, including the food processing industry. They provide a reliable and efficient source of compressed air, which is used for a range of purposes in food processing facilities. Here are some key points to consider:

1. Packaging: Screw compressors are commonly used in food packaging processes. Compressed air is utilized for tasks such as operating pneumatic actuators, controlling packaging machinery, and inflating packaging materials, such as bags and containers.

2. Cleaning and Drying: Compressed air is essential for cleaning and drying applications in the food industry. Screw compressors supply the necessary air pressure for tasks such as blowing off debris, dust, or moisture from food products, packaging surfaces, and production equipment.

3. Pneumatic Conveying: Screw compressors play a crucial role in pneumatic conveying systems used for transporting food products, such as grains, powders, or granules. Compressed air is utilized to create the necessary airflow to move the food materials through pipes or tubes to different processing stages or storage areas.

4. Cooling and Freezing: In food processing, screw compressors are often employed in refrigeration and cooling systems. They provide compressed air for various cooling processes, such as air chilling, blast freezing, or cryogenic freezing, which help maintain the freshness and quality of perishable food products.

5. Air Control and Mixing: Compressed air is utilized for precise air control and mixing applications in food processing. It can be used to control the flow rate, pressure, and temperature of air in mixing processes, such as dough mixing or batter preparation.

6. Cleaning-In-Place (CIP) Systems: CIP systems are widely used in the food industry to clean and sanitize equipment and pipelines. Compressed air is often an integral part of these systems, assisting in the removal of residues and ensuring proper cleaning and hygiene practices.

When using screw compressors in food processing, it is important to consider specific requirements and regulations related to food safety and quality. Here are some key considerations:

a) Food-Grade Lubricants: Ensure that the screw compressor is compatible with food-grade lubricants. Lubricants used in the compressor should be safe for incidental contact with food products and compliant with applicable food safety regulations.

b) Air Purity: Depending on the application, the compressed air may need to meet specific air quality standards to prevent contamination of food products. Standards such as ISO 8573, which define air purity classes for different contaminants, can be referenced to determine the required level of air purity.

c) Maintenance and Cleaning: Implement proper maintenance and cleaning procedures for the screw compressor to prevent any potential contamination risks. Regular inspection, cleaning, and adherence to good manufacturing practices (GMP) are essential to ensure food safety and compliance.

d) Regulatory Compliance: Comply with relevant food safety regulations and guidelines, such as those established by the Food and Drug Administration (FDA) or local regulatory authorities. These regulations may cover various aspects, including equipment design, materials, cleanliness, and hygiene practices.

In summary, screw compressors can be used in food processing for tasks such as packaging, cleaning, pneumatic conveying, cooling, and mixing. However, it is important to consider food safety regulations, use food-grade lubricants, maintain air quality, and follow proper maintenance and cleaning procedures to ensure compliance and protect the integrity of food products.

air compressor

Are There Different Types of Screw Compressors?

Yes, there are different types of screw compressors available, catering to various application requirements. Here’s an overview of the main types:

1. Oil-Injected Screw Compressors:

Oil-injected screw compressors, also known as lubricated screw compressors, are the most common type. These compressors require the injection of a small amount of lubricating oil into the compression chamber. The oil serves multiple purposes, including lubrication, cooling, sealing, and reducing friction between the rotors. Oil-injected screw compressors are widely used in industrial applications where a small amount of oil in the compressed air is acceptable.

2. Oil-Free Screw Compressors:

Oil-free screw compressors are designed to operate without the need for oil lubrication. These compressors incorporate 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. Industries like food and beverage, pharmaceuticals, electronics, and others often rely on oil-free screw compressors to ensure the purity of the compressed air.

3. Variable Speed Drive (VSD) Screw Compressors:

VSD screw compressors, also known as variable frequency drive (VFD) screw compressors, are equipped with a variable speed drive system. This system allows the compressor to adjust the rotational speed of the motor and, consequently, the speed of the screw rotors. By varying the speed, VSD screw compressors can closely match the compressed air or gas demand, resulting in energy savings and improved efficiency. VSD screw compressors are particularly beneficial in applications with varying air demand, as they can adapt their output accordingly.

4. Two-Stage Screw Compressors:

Two-stage screw compressors consist of two sets of rotors arranged in series. The first stage compresses the air or gas to an intermediate pressure, and the second stage further compresses it to the desired final pressure. Two-stage screw compressors are commonly used in applications that require higher discharge pressures. By dividing the compression into two stages, these compressors can achieve higher efficiency and improved performance in high-pressure applications.

5. Water-Injected Screw Compressors:

Water-injected screw compressors, also known as liquid-injected screw compressors, utilize water or a water-glycol mixture as a sealing and cooling medium. The water injection helps in sealing the compression chamber and reduces the discharge temperature, enhancing the compressor’s efficiency. Water-injected screw compressors are often used in applications where oil contamination is a concern, such as in the pharmaceutical and food processing industries.

Each type of screw compressor has its own advantages and is suitable for specific applications. The choice of the screw compressor type depends on factors such as the desired level of air purity, the need for oil-free operation, energy efficiency requirements, and the operating conditions of the application.

China Best Sales Mg CHINAMFG with Tank Air Dryer and Filter for Electricity   air compressor repair near meChina Best Sales Mg CHINAMFG with Tank Air Dryer and Filter for Electricity   air compressor repair near me
editor by CX 2024-02-28

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