2026-04-10Views：
As the country pays more and more attention to energy conservation and emission reduction (fashionable name is carbon neutral), the application of low-pressure screw air compressor is also increasing.
At present, low-pressure screw machines are mainly divided into three types: dry screw, water injection screw and oil injection screw. Among them, dry screw and water injection screw have a wider application range due to their characteristics of exhaust oil-free (oil-free screw machines can be basically used in all fields where oil injection screw machines can be applied). Common oil-free low-pressure screw machines are applied in biological fermentation, pneumatic conveying, glass bottle blowing, LP spray gun, etc. HVoil injection screw machines, etc, it is also used in some pneumatic conveying fields where the conveying material is not afraid of oil, and fermentation is generally rarely used.
Regarding energy consumption, many people may think that the oil-injected low-pressure screw machine is more energy-efficient when looking at the sample data, but in fact it is just the opposite. Take 17m & sup3, which is commonly used for pneumatic conveying./min air-cooled air compressor as an example, the power of low-pressure oil-free dry screw shaft is about 54KW, and the specific power is about 3.2Kw/(m & sup3;/min), while the nominal power of low pressure oil injection screw machine is 55KW, however, the specific power can reach 4.5Kw/(m & sup3;/min), which is already very good. The brand that can really achieve this specific power is definitely a conscience brand.
The energy consumption of water spray low-pressure screw is basically close to that of oil spray screw machine, while the stability of water spray screw machine has been poor, including foreign brands, so it has always been non-mainstream. The main reason why the energy consumption of the oil injection screw machine is not good is that in order to maintain a good oil and gas separation effect, the system must maintain a minimum pressure (all oil injection screw machines have a minimum pressure valve, the reason is that), generally more than 3bar, even 4.5bar, which will inevitably lead to over compression. The oil-free dry screw does not need a minimum pressure valve and there is no over compression, and the energy consumption of the compressor is proportional to the pressure, therefore, the energy consumption of low-pressure oil-free dry screw is far better than that of low-pressure oil-injected screw machine.
Bearing lubrication method of oil-free and water-lubricated air compressor: 1. Oil-free and water-free air compressor mainly uses water to replace oil, realizing the four major effects of lubrication, cooling, sealing and noise reduction, providing high-quality oil-free air, no pollution and no special treatment for discharged water, which meets the requirements
Granklin air compressor is the first choice. The air compressor produced by Granklin Group adopts water lubrication, the whole machine is made of stainless steel, and the compressed gas is 100% free of oil. The traditional method of determining the compressed air requirements of a new air compressor is to use the gas volume of all gas-using equipment.
It is always not wrong for us to ask more about industries we don't know. Which brand of screw air compressor is better? Ask more about several air compressor manufacturers, such as Shanghai Granklin Group, who want to purchase water-lubricated air compressors and choose Granklin for a price. Users who do not know about the air compressor industry will choose air compressor manufacturers with good brand or reputation in order not to step on the pit.
Air compressor type variety, wide range of uses, and different types of air compressor, the lubrication requirements vary greatly. In the air compressor parts, the lubricating oil plays a role in preventing wear, sealing, and cooling, minimizing the influence of air on the viscosity of the lubricating oil and the reaction between additives and air, so as
The oil-free air compressor produced by Shanghai Granklin Group can compress the gas to meet the oil-free standard. Many industries with high requirements for compressed air can purchase water-lubricated air compressors: clean and dry, not allowed to contain water, oil, dust, etc. Therefore, purification of compressed air is an essential means of industrial production. Compressed air dryers and matched compressed air filters are the most effective methods for drying and filtering compressed air.
View detailsAir compressor type variety, wide range of uses, and different types of air compressor, the lubrication requirements vary greatly. In the air compressor parts, the lubricating oil plays a role in preventing wear, sealing, and cooling, minimizing the influence of air on the viscosity of the lubricating oil and the reaction between additives and air, so as
No matter which brand of screw air compressor you choose, it depends on what you use it in. Small projects choose low-power air compressors (generally 15kw) and large projects choose high-power air compressors (above 15kw). Secondly, it depends on your capital budget, capital male.
Diesel screw machine diesel engine oil filter and diesel filter replacement should follow the diesel engine maintenance requirements, the replacement method is similar to the screw oil core. Maintenance and replacement of oil fine separator. The oil fine separator separates the screw lubricating oil from the compressed air
Air compressors consume a lot of electricity in the production of enterprises, accounting for about 30%-60% of the total electricity consumption of enterprises. Especially when the unloading pressure is reached, the air compressor will be idling, resulting in serious waste of electric energy. The power consumption of air compressor at unloading time is about 45% of that at full load, which shows that the traditional (power frequency) air compressor has huge energy saving space.
View detailsWhat kind of oil is used in the air compressor? Does the oil-free air compressor not use lubricating oil? The oil-free air compressor refers to the use of lubricating oil (synthetic oil or semi-synthetic oil) in the air compressor system to lubricate the machine and dissipate heat. This kind of air compressor, the compressed air will have a certain amount of lubricating oil, that is, the post-processing equipment is used for filtration, but it is still
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