Product Description
Q1: What information do I need to provide to get the suitable machine?
1. How much air delivery capacity ( Unit:CFM or M3/Min )
2 How much working pressure ( Unit:PSI, Bar or Mpa )
3.What is the voltage and frequency of my country of residence ( V/Hz )
4. Whether I need other accessories such as air tank, filters and/or air dryers.
Tell us the answer, we will offer scheme for you!
Q2: What are the general unit conversion?
1bar = 0.1Mpa = 14.5psi 1m³/min = 35.32cfm 1KW = 1.34HP
Q3: Are you factory or trading company?
We are factory. Our factory is located in 39 Xihu (West Lake) Dis. Rd, HangZhou, ZHangZhoug
Q4: Which trade term can you accept?
FOB, CIF, CFR, EXW, etc.
Q5: How long will you take to arrange production?
15 days for Regular Products, 35 days for Customizing Models
SPECIFICATION
| MODEL | LB-10-8 |
| Ambient Temperature | -5ºC to +45 ºC |
| Max Pressure (bar) | 8 |
| Air Delivery (m3/min) | 1.1 |
| Compression Stage | Single Stage Compression |
| Cooling Method | Air Cooled |
| Discharge Temperature (ºC) | ≤ 75ºC |
| Oil Cotent (ppm) | ≤3 |
| Transmission Method | Direct driven |
| Sound Level dB(A) | 66±3 |
| Lubricating Oil Amount | 10L |
| Motor Power | 7.5KW/10HP |
| Motor Level Of Protection | IP23 |
| Voltage | 380V/3ph/50Hz |
| Dimensions (mm) | 810x610x850(L*W*H) |
| Weight | 175KG |
| Discharge Outlet Thread | 1/2” |
| Lubrication Style: | Lubricated |
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| Cooling System: | Air Cooling |
| Power Source: | AC Power |
| Installation Type: | Stationary Type |
| Type: | Twin-Screw Compressor |
| Transmission: | Coupling |
| Samples: |
US$ 579/set
1 set(Min.Order) | |
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| Customization: |
Available
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Can air compressors be used for gas compression and storage?
Yes, air compressors can be used for gas compression and storage. While air compressors are commonly used to compress and store air, they can also be utilized for compressing and storing other gases, depending on the specific application requirements. Here’s how air compressors can be used for gas compression and storage:
Gas Compression:
Air compressors can compress various gases by utilizing the same principles applied to compressing air. The compressor takes in the gas at a certain pressure, and through the compression process, it increases the pressure and reduces the volume of the gas. This compressed gas can then be used for different purposes, such as in industrial processes, gas pipelines, or storage systems.
Gas Storage:
Air compressors can also be used for gas storage by compressing the gas into storage vessels or tanks. The compressed gas is stored at high pressure within these vessels until it is needed for use. Gas storage is commonly employed in industries where a continuous and reliable supply of gas is required, such as in natural gas storage facilities or for storing compressed natural gas (CNG) used as a fuel for vehicles.
Gas Types:
While air compressors are primarily designed for compressing air, they can be adapted to handle various gases, including but not limited to:
- Nitrogen
- Oxygen
- Hydrogen
- Carbon dioxide
- Natural gas
- Refrigerant gases
It’s important to note that when using air compressors for gas compression and storage, certain considerations must be taken into account. These include compatibility of the compressor materials with the specific gas being compressed, ensuring proper sealing to prevent gas leaks, and adhering to safety regulations and guidelines for handling and storing compressed gases.
By leveraging the capabilities of air compressors, it is possible to compress and store gases efficiently, providing a reliable supply for various industrial, commercial, and residential applications.
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How do you troubleshoot common air compressor problems?
Troubleshooting common air compressor problems can help identify and resolve issues that may affect the performance and functionality of the compressor. Here are some steps to troubleshoot common air compressor problems:
1. No Power:
- Check the power source and ensure the compressor is properly plugged in.
- Inspect the circuit breaker or fuse box to ensure it hasn’t tripped or blown.
- Verify that the compressor’s power switch or control panel is turned on.
2. Low Air Pressure:
- Check the air pressure gauge on the compressor. If the pressure is below the desired level, the compressor might not be building up enough pressure.
- Inspect for air leaks in the system. Leaks can cause a drop in pressure. Listen for hissing sounds or use a soapy water solution to identify the location of leaks.
- Ensure the compressor’s intake filter is clean and not clogged, as this can restrict airflow and reduce pressure.
3. Excessive Noise or Vibration:
- Inspect the compressor’s mounting and foundation to ensure it is secure and stable. Loose mounts can cause excessive noise and vibration.
- Check for loose or damaged components, such as belts, pulleys, or motor mounts. Tighten or replace as necessary.
- Verify that the compressor’s cooling system, such as the fan or fins, is clean and free from obstructions. Overheating can lead to increased noise and vibration.
4. Air Leaks:
- Inspect all connections, valves, fittings, and hoses for leaks. Tighten or replace any loose or damaged components.
- Apply a soapy water solution to suspected areas and look for bubbles. Bubbles indicate air leaks.
- Consider using thread sealant or Teflon tape on threaded connections to ensure a proper seal.
5. Excessive Moisture in Compressed Air:
- Check the compressor’s drain valve and ensure it is functioning properly. Open the valve to release any accumulated moisture.
- Inspect and clean the compressor’s moisture separator or air dryer, if equipped.
- Consider installing additional filtration or drying equipment to remove moisture from the compressed air system.
6. Motor Overheating:
- Ensure the compressor’s cooling system is clean and unobstructed.
- Check the motor’s air intake vents and clean any dust or debris that may be blocking airflow.
- Verify that the compressor is not being operated in an excessively hot environment.
- Check the motor’s lubrication levels and ensure they are within the manufacturer’s recommended range.
- Consider using a thermal overload protector to prevent the motor from overheating.
If troubleshooting these common problems does not resolve the issue, it may be necessary to consult the manufacturer’s manual or seek assistance from a qualified technician. Regular maintenance, such as cleaning, lubrication, and inspection, can also help prevent common problems and ensure the optimal performance of the air compressor.
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What are the safety considerations when operating an air compressor?
Operating an air compressor requires careful attention to safety to prevent accidents, injuries, and equipment damage. Here are some important safety considerations to keep in mind:
1. Read the Manual: Before operating an air compressor, thoroughly read and understand the manufacturer’s instruction manual. Familiarize yourself with the specific safety guidelines, recommended operating procedures, and any specific precautions or warnings provided by the manufacturer.
2. Proper Ventilation: Ensure that the area where the air compressor is operated has adequate ventilation. Compressed air can produce high levels of heat and exhaust gases. Good ventilation helps dissipate heat, prevent the buildup of fumes, and maintain a safe working environment.
3. Personal Protective Equipment (PPE): Always wear appropriate personal protective equipment, including safety glasses or goggles, hearing protection, and non-slip footwear. Depending on the task, additional PPE such as gloves, a dust mask, or a face shield may be necessary to protect against specific hazards.
4. Pressure Relief: Air compressors should be equipped with pressure relief valves or devices to prevent overpressurization. Ensure that these safety features are in place and functioning correctly. Regularly inspect and test the pressure relief mechanism to ensure its effectiveness.
5. Secure Connections: Use proper fittings, hoses, and couplings to ensure secure connections between the air compressor, air tools, and accessories. Inspect all connections before operation to avoid leaks or sudden hose disconnections, which can cause injuries or damage.
6. Inspect and Maintain: Regularly inspect the air compressor for any signs of damage, wear, or leaks. Ensure that all components, including hoses, fittings, and safety devices, are in good working condition. Follow the manufacturer’s recommended maintenance schedule to keep the compressor in optimal shape.
7. Electrical Safety: If the air compressor is electric-powered, take appropriate electrical safety precautions. Use grounded outlets and avoid using extension cords unless approved for the compressor’s power requirements. Protect electrical connections from moisture and avoid operating the compressor in wet or damp environments.
8. Safe Start-Up and Shut-Down: Properly start and shut down the air compressor following the manufacturer’s instructions. Ensure that all air valves are closed before starting the compressor and release all pressure before performing maintenance or repairs.
9. Training and Competence: Ensure that operators are adequately trained and competent in using the air compressor and associated tools. Provide training on safe operating procedures, hazard identification, and emergency response protocols.
10. Emergency Preparedness: Have a clear understanding of emergency procedures and how to respond to potential accidents or malfunctions. Know the location of emergency shut-off valves, fire extinguishers, and first aid kits.
By adhering to these safety considerations and implementing proper safety practices, the risk of accidents and injuries associated with operating an air compressor can be significantly reduced. Prioritizing safety promotes a secure and productive working environment.
editor by CX 2023-11-27
China supplier Industrial AC Power Stationary Motor Direct Driven Oilless Electrical Oil Free Rotary Screw Air Compressor Screw Blower with Best Sales
Product Description
Product description
Model High-efficiency screw blower special airend.
•Using the world’s advanced molding lines, the rotor has undergone advanced coating technology, Effectively protect the rotor from rust.
• Labyrinth seal and screw seal assembly to ensure oil-free air, up to to class 0 level.
• Unique lubricating and oil draining channels ensure that bearings and gears are Good lubrication and cooling, while improving the efficiency of the airend.
• Direct drive, built-in gear box in the main engine. more than belt drive Increase efficiency and reliability, and no lossy parts.
High-efficiency oil-cooled permanent magnet motor
• Forced oil cooling motor, low temperature rise, low noise, efficiency reaches 96.7% exceeding IE4 level.
• Protection class IP65, no loss of magnetism at 180ºC, suitable for harsher working conditions
• small volume.
High efficiency air intake filter
Adopt Germany MANN original air intake filter, filtration accuracy 2u, ensure the cleanliness of the air intake of the main engine and prolong the life of the main engine.
Low noise
Equipped with a muffler with small pressure loss to reduce exhaust noise, and a specially designed noise reduction and sound insulation cover, which is specially muffled for intake and exhaust.
| 1 | Model | DHH75BS |
| 2 | Type | Fixed permanent magnet series oil-free screw blower |
| 3 | Dimensions(Length*width*height) | 1900*1250*1720mm |
| 4 | Installation method | Fixed installation without foundation |
| 5 | Rated displacement | 24.7m3/min |
| 6 | Pressure adjustment range | 120 kPa |
| 8 | Exhaust gas temperature | 130ºC |
| 9 | Compression level | Single-stage |
| 10 | Transfer method | Direct |
| 11 | Compressed oil consumption | 20 L |
| 12 | Cooling method | Wind cold |
| 13 | Cooling air volume | 4400 m3/h |
| 14 | Ambient temperature | 0 ~ 45 ºC |
| 15 | Noise | ≤85 dB(A) |
| 16 | Power | 22 kW |
| 17 | Voltage | 380/50 V/HZ |
| 18 | Start method | Frequency conversion start |
| 19 | Motor protection level | IP65 |
| 20 | Insulation class | F |
| 21 | Fan power | 0.86 kW |
| 22 | Gas outlet pipe diameter | DN200 PN1.0 |
Technical Parameters
| Model | Exhaust pressure (kpa) | 40 | 50 | 60 | 70 | 80 | 90 | 100 | 110 | 120 | 130 | 140 | 150 | Dimensions(mm) | Exhaust diameter | ||||||||||
| DHH-XXX-BS | Air Delivery(m3/min) | 8.68 | 7.40 | 6.20 | 5.5.60 | 5.00 | 4.60 | 5.70 | 5.20 | 4.80 | 4.40 | 4.00 | 6.00 | 1266*980*1510 | DN125 PN1.6 | ||||||||||
| Power(kW) | 11 | 11 | 11 | 11 | 11 | 11 | 15 | 15 | 15 | 15 | 15 | 22 | |||||||||||||
| Air Delivery(m3/min) | 11.50 | 10.30 | 8.90 | 8.20 | 7.50 | 6.30 | 9.41 | 8.60 | 8.00 | 7.30 | 6.50 | 8.60 | |||||||||||||
| Power(kW) | 15 | 15 | 15 | 15 | 15 | 15 | 22 | 22 | 22 | 22 | 22 | 30 | |||||||||||||
| Air Delivery(m3/min) | / | / | / | 10.50 | 9.91 | 10.00 | / | / | / | 9.20 | 8.70 | / | |||||||||||||
| Power(kW) | / | / | / | 18.5 | 18.5 | 22 | / | / | / | 30 | 30 | / | |||||||||||||
| Air Delivery(m3/min) | 21.60 | 21.40 | 18.10 | / | / | / | 20.10 | 15.50 | 18.10 | / | / | 14.50 | 1900*1250*1720 | DN200 PN1.0 | |||||||||||
| Power(kW) | 18.5 | 22 | 22 | / | / | / | 37 | 30 | 37 | / | / | 45 | |||||||||||||
| Air Delivery(m3/min) | 24.20 | 28.70 | 25.92 | 16.50 | 14.60 | 18.10 | 25.30 | 19.10 | 20.20 | 14.70 | 17.20 | 16.90 | |||||||||||||
| Power(kW) | 22 | 30 | 30 | 22 | 22 | 30 | 45 | 37 | 45 | 37 | 45 | 55 | |||||||||||||
| Air Delivery(m3/min) | 33.10 | 34.40 | 31.60 | 23.10 | 20.50 | 23.70 | 30.80 | 23.50 | 25.10 | 18.00 | 19.50 | 24.70 | |||||||||||||
| Power(kW) | 30 | 37 | 37 | 30 | 30 | 37 | 55 | 45 | 55 | 45 | 55 | 75 | |||||||||||||
| Air Delivery(m3/min) | 40.50 | 40.60 | 38.30 | 28.22 | 25.74 | 28.22 | 28.10 | 33.10 | 22.80 | 28.10 | / | ||||||||||||||
| Power(kW) | 37 | 45 | 45 | 37 | 37 | 45 | / | 55 | 75 | 55 | 75 | / | |||||||||||||
| Air Delivery(m3/min) | / | / | / | 31.10 | 30.00 | 34.60 | / | 37.60 | / | 30.00 | / | / | |||||||||||||
| Power(kW) | / | / | / | 45 | 45 | 55 | / | 75 | / | 75 | / | / | |||||||||||||
| Air Delivery(m3/min) | / | / | / | 43.00 | 38.00 | / | / | / | / | / | / | / | |||||||||||||
| Power(kW) | / | / | / | 55 | 55 | / | / | / | / | / | / | / | |||||||||||||
| Air Delivery(m3/min) | 50.50 | 53.00 | 46.80 | 59.50 | 55.00 | 50.00 | 44.40 | 50.00 | 43.10 | 41.10 | 34.30 | 30.00 | 2352*1500*2140 | DN300 PN0.6 | |||||||||||
| Power(kW) | 45 | 55 | 55 | 75 | 75 | 75 | 75 | 90 | 90 | 90 | 90 | 90 | |||||||||||||
| Air Delivery(m3/min) | 65.2 | / | 60.00 | / | 65.50 | 56.00 | 55.00 | / | 51.50 | 48.20 | 40.80 | 41.00 | |||||||||||||
| Power(kW) | 55 | / | 75 | / | 90 | 90 | 90 | / | 110 | 110 | 110 | 110 | |||||||||||||
| Air Delivery(m3/min) | / | / | / | / | / | / | / | / | / | 59.60 | 55.00 | 48.60 | |||||||||||||
| Power(kW) | / | / | / | / | / | / | / | / | / | 132 | 132 | 132 | |||||||||||||
| Air Delivery(m3/min) | / | 73.50 | 79.00 | 75.30 | / | 77.20 | 73.50 | 64.20 | 64.00 | 71.00 | 75.00 | 62.10 | 2352*1600*2641 | DN300 PN0.6 | |||||||||||
| Power(kW) | / | 75 | 90 | 90 | / | 110 | 110 | 110 | 132 | 160 | 160 | 160 | |||||||||||||
| Air Delivery(m3/min) | 82.10 | 83.50 | 90.40 | 88.00 | 80.50 | 83.30 | 80.00 | 75.20 | 75.50 | 89.1 | 81.5 | 76.90 | |||||||||||||
| Power(kW) | 75 | 90 | 110.00 | 110 | 110 | 132 | 132 | 132 | 160 | 185 | 185 | 185 | |||||||||||||
| Air Delivery(m3/min) | 92.10 | 100.00 | 101.00 | 97.10 | 97.60 | 92.00 | 80.20 | 96.5 | 96.4 | 90.5 | 81.30 | ||||||||||||||
| Power(kW) | 90 | 110 | 132 | 132 | 160 | 160 | 160 | 185 | 200 | 200 | 200 | ||||||||||||||
| Air Delivery(m3/min) | 129.70 | 129.50 | 109.10 | 118.70 | 108.50 | 118.10 | 107.90 | 107.60 | 107.30 | 107.00 | 106.70 | 106.40 | 3500*2255*2370 | DN350 PN1.0 | |||||||||||
| Power(kW) | 110 | 132 | 132 | 160 | 160 | 185 | 185 | 185 | 200 | 220 | 250 | 250 | |||||||||||||
| Air Delivery(m3/min) | 150.00 | 162.70 | 139.40 | 139.10 | 128.50 | 128.20 | 117.80 | 117.50 | 117.20 | 116.90 | 126.70 | 126.40 | |||||||||||||
| Power(kW) | 132 | 160 | 160 | 185 | 185 | 200 | 200 | 220 | 220 | 250 | 280 | 280 | |||||||||||||
| Air Delivery(m3/min) | / | / | 162.40 | 149.60 | 138.80 | 138.50 | 127.90 | 137.90 | 127.30 | 127.00 | 137.00 | 136.70 | |||||||||||||
| Power(kW) | / | / | 185 | 200 | 200 | 220 | 220 | 250 | 250 | 280 | 315 | 315 | |||||||||||||
| Air Delivery(m3/min) | / | / | 162.10 | 149.30 | 161.50 | 148.70 | 148.40 | 137.60 | 147.80 | 147.50 | 147.20 | ||||||||||||||
| Power(kW) | / | / | / | 220 | 220 | 250 | 250 | 280 | 280 | 315 | 355 | 355 | |||||||||||||
| Air Delivery(m3/min) | / | / | / | / | 161.80 | / | 161.20 | 160.90 | 160.60 | 160.20 | / | / | |||||||||||||
| Power(kW) | / | / | / | / | 250 | / | 280 | 315 | 315 | 355 | / | / | |||||||||||||
Oil-injected screw compressor
Advantages: The pressure is stable, and it can be post-installed to remove water, dust and bacteria;
Disadvantages: Exhaust gas contains a lot of oil, causing pollution to the cloth, which does not meet the production requirements of melt-blown cloth.
Roots screw blower
Advantages: The exhaust does not contain oil or water
Disadvantages: The exhaust temperature is too low, contrary to the temperature requirements of the mold spinneret, which originally required heating and constant temperature, but he sent cooling air, which is likely to cause unstable melting temperature. The spinneret contains crystals, dust, and Bacteria, the pressure is unstable, because of its characteristic is that there is no pressure ratio, the outlet pressure is 80kpa, if you want to add sterilization and pre-dust removal, it will cause insufficient pressure, and the spinner does not form or block.
Oil-free screw blower
Advantages: stable pressure (40kpa ~ 150kpa variable frequency adjustable), high exhaust temperature (outlet 120 degrees Celsius), helps to constant melting temperature, can be oil-free, water-free, dust-free, sterile
Disadvantages: the price is more expensive
Comprehensive comparison of the performance of various types of blowers
Certificate
Project Case
As a new environmental protection and energy saving product, oil-free screw blower can be widely used in various industries. The main industries are:
1. Water treatment
Mainly used for aeration to fully mix water and reactants
Industry: Municipal / industrial wastewater treatment, electronics industry, papermaking, metallurgy, leather, printing and dyeing, etc.
2. Transportation
Mainly used for light particle powder and line conveying
Industry: Production of cement, lime powder, titanium dioxide chemical fiber micronets, etc.
3. Biological fermentation and breeding
Mainly used for oxygen supply and stirring
Industry: Food, brewing, breeding oxygen supply, cement / smelting desulfurization and denitrification, etc.
3. Powder conveying
Mainly used for powder transportation of light particles
Industry: Production of cement, lime powder, titanium dioxide, etc.
Customer Feedback
Packaging and Shipping
Our workers pack the tested air compressors in wooden cases. After the packaging is completed, the air compressor will be transported to the port and then shipping to the world.
Company Profile
Dehaha Compressor was founded in 1996 with over 150 skilled employees and more than 25 R&D engineers’ teams.We focus on the research & develop, manufacture and energy-saving solutions of screw air compressor to create value for customers and society.
Dehaha opened to the world since 2015, and now we have a foreign trade department with more than dozens people, serving customers around the world 24 hours. We have sales representatives who can speak English, Spanish, Portuguese, French,and Russian which makes it easier for our clients from all over the world to interact and negotiate with us.now our valued customers are over 130 countries. Germany Standard and 13 years exporting experience help us won more than 50 loyal overseas agents.
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”. The production line of CHINAMFG is consist of screw air compressor from 5.5KW to 550KW, oil free air compressor, portable air compressor, permanent magnet variable frequency air compressor, high pressure air compressor and compressed air purification equipment,etc.
Dehaha 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
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.
Why choose us?
1.Quality Guarantee
With more than 24 years industry experience and our compressor approved by CE, ISO9001, SGS, And TUV test.The raw materials are strictly inspected and Some key parts are imported from overseas.Each compressor must pass at least 5 hours of continuous testing before leaving the factory.
2.Warranty Period
The complete machines are proviede with one-year warranty, and the compressor air end with Two-year warranty and lifetime maintenance(With the exception of wearing parts)
3. Installation and Commissioning
Provied customers with installation and commissioning instructions,and all service-providing personnel are strictly trained technically by our company.
4.After -sales Services
Our company has service network in world, giving prompt replies to customers after notified within 24~48hours for troubleshooting.
5.Spare Parts
Our company always supply spare parts on most favorable terms.
FAQ
Q1. Are you trading company or manufacture ?
A: We are professional manufacture of screw air compressor of HangZhou(Close to 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.
| After-sales Service: | Online Support |
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| Warranty: | 24months |
| Lubrication Style: | Lubricated |
| 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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What Are the Key Components of a Water-Lubrication System in Compressors?
A water-lubrication system in compressors typically consists of several key components that work together to provide lubrication and cooling to the compressor. Here’s a detailed explanation of the key components of a water-lubrication system in compressors:
Water Supply:
- Water Source: The water-lubrication system requires a water source that provides clean and suitable water for lubrication. The water can be sourced from various places such as municipal water supply, well water, or treated water from a dedicated water treatment system.
- Water Inlet: The water inlet is the entry point where water enters the compressor’s lubrication system. It may include valves, filters, or other components to regulate and control the water flow.
Lubrication System:
- Water Jackets: Water jackets are channels or passages built into the compressor’s housing or cylinder walls. These jackets allow water to circulate and come into direct contact with the compressor’s moving parts, providing lubrication and cooling. The water jackets help dissipate heat generated during compression and prevent excessive temperatures that could damage the compressor.
- Water Pump: The water pump is responsible for circulating water through the water jackets and the entire lubrication system. It provides the necessary pressure to ensure adequate water flow and distribution to the compressor’s components.
- Flow Control Devices: Flow control devices, such as valves or flow restrictors, are often included in the water-lubrication system to regulate and control the water flow rate. These devices help maintain optimal water pressure and flow throughout the system, ensuring effective lubrication and cooling.
- Water Filters: Water filters are used to remove impurities, sediment, or debris from the water before it enters the lubrication system. They help prevent blockages, protect the compressor’s components from damage, and maintain the quality of the water used for lubrication.
- Water Separator: A water separator is a component that removes excess water, moisture, or condensate from the compressed air. It ensures that the compressed air leaving the compressor is dry and free from excess water content, preventing potential issues such as corrosion or contamination downstream.
Control and Monitoring:
- Temperature Sensors: Temperature sensors are used to monitor the temperature of the water and the compressor components. They provide feedback to the control system, allowing for adjustments in water flow or cooling measures if required to maintain optimal operating conditions.
- Pressure Sensors: Pressure sensors are employed to monitor the water pressure within the lubrication system. They help ensure that the water flow and pressure are within the desired range, allowing for proper lubrication and cooling of the compressor.
- Control System: A control system, which may include a combination of sensors, valves, and controllers, is responsible for regulating and maintaining the operation of the water-lubrication system. It can monitor various parameters, such as temperature, pressure, and flow, and make adjustments as needed to ensure efficient and safe operation.
Regular maintenance, inspection, and monitoring of the key components of the water-lubrication system are essential to ensure its proper functioning and to prevent any issues that could affect the performance and longevity of the compressor.
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Are There Any Potential Water-Related Issues with These Compressors?
Yes, there are potential water-related issues that can arise with water-lubricated compressors. Here’s a detailed explanation of some of the common water-related issues associated with these compressors:
Corrosion:
- Internal Corrosion: Water-lubricated compressors are susceptible to internal corrosion due to the presence of water within the system. If the water used is not properly treated or if corrosion prevention measures are insufficient, the internal components of the compressor can corrode over time. Corrosion can lead to reduced performance, component damage, and the potential for leaks or system failures.
- External Corrosion: External components such as piping, valves, and fittings can also be affected by corrosion if exposed to water and moisture. Corrosion on these external surfaces can lead to compromised integrity, leaks, and reduced system efficiency.
Water Quality:
- Water Contaminants: The quality of the water used in water-lubricated compressors is crucial. If the water contains contaminants such as sediment, debris, oil, or chemicals, it can negatively impact the performance and reliability of the compressor. Contaminants can cause blockages, clogging, increased wear on components, reduced lubrication effectiveness, and potential damage to the compressor.
- Water Hardness: Water hardness, characterized by high mineral content, can lead to scaling and deposits within the compressor and associated components. Scaling can restrict flow, impede heat transfer, and reduce the efficiency of the compressor. It can also contribute to fouling and corrosion issues.
Water Treatment and Filtration:
- Inadequate Water Treatment: Insufficient or improper water treatment can lead to various issues. If the water is not adequately treated for contaminants, hardness, or pH levels, it can result in accelerated corrosion, scaling, fouling, and reduced lubrication effectiveness. Inadequate water treatment can also contribute to increased maintenance requirements and decreased overall compressor performance.
- Filtration System Issues: Filtration systems play a crucial role in removing contaminants from the water. However, if the filtration system is not properly maintained, filters become clogged or damaged, or if there are design or installation issues, it can lead to inadequate filtration and compromised water quality. This can result in the accumulation of contaminants, reduced lubrication performance, and potential damage to the compressor.
Water Supply and Availability:
- Insufficient Water Supply: Water-lubricated compressors rely on a consistent and reliable water supply. If the water supply is insufficient in terms of flow rate, pressure, or quality, it can impact the compressor’s operation and performance. Inadequate water supply can lead to inadequate lubrication, reduced cooling capacity, and increased wear on components.
- Water Source Availability: The availability of a suitable water source is essential for water-lubricated compressors. In certain locations or applications, accessing clean water or meeting specific water quality requirements may pose challenges. Lack of a suitable water source can limit the feasibility or effectiveness of using water-lubricated compressors.
It is important to address these potential water-related issues by implementing proper water treatment, corrosion prevention measures, regular maintenance of filtration systems, and monitoring of water quality. Adhering to manufacturer guidelines, performing regular inspections, and taking proactive measures can help mitigate these issues and ensure the reliable and efficient operation of water-lubricated compressors.
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Are There Any Downsides to Using Water-Lubricated Air Compressors?
While water-lubricated air compressors offer several advantages, there are also some downsides to consider when using this type of compressor. Here are a few potential drawbacks associated with water-lubricated air compressors:
- Water quality requirements: Water-lubricated compressors are highly dependent on the quality of the water used for lubrication. The water should be free from contaminants, minerals, and impurities that can affect the compressor’s performance or cause corrosion. Ensuring the consistent availability of high-quality water may require additional filtration or treatment processes, which can add complexity and cost to the system.
- Increased maintenance: Compared to oil-lubricated compressors, water-lubricated models may require more frequent maintenance. Regular checks, cleaning, and monitoring of the water system are necessary to prevent blockages, maintain proper water flow, and ensure the cleanliness of the compressor. This increased maintenance requirement can result in higher operational costs and more downtime for maintenance activities.
- Potential for corrosion: While water itself is not corrosive, certain water conditions, such as high mineral content or low pH levels, can promote corrosion within the compressor system. Corrosion can lead to component damage, reduced efficiency, and the need for repairs or replacements. Implementing corrosion prevention measures, such as water treatment or the use of corrosion-resistant materials, may be necessary to mitigate this risk.
- Compatibility limitations: Water-lubricated compressors may have limitations when it comes to compatibility with certain materials or gases. For example, in applications where the compressed air comes into contact with sensitive materials or requires specific gas purity, the use of water as a lubricant may not be suitable. In such cases, alternative lubrication methods or compressor types may be more appropriate.
- Environmental considerations: While water is generally considered environmentally friendly, the disposal of used water from the compressor system may require proper wastewater management. Depending on local regulations and requirements, additional steps may be needed to ensure compliant and environmentally responsible disposal of the water used for lubrication.
Despite these potential downsides, water-lubricated air compressors continue to be used in various industries and applications due to their specific advantages and suitability for certain environments. It is important to carefully evaluate the specific requirements, operating conditions, and maintenance considerations of a given application to determine whether a water-lubricated compressor is the most suitable choice.
editor by CX 2023-11-27