jeudi 5 septembre 2013
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Advantages And Applications Of Biodegradable Hydraulic Oil
This discussion about the applications and advantages of biodegradable hydraulic oil requires the reader to have a basic understanding of hydraulic fluids and machinery. It might also be helpful to know exactly what it means for a substance to be biodegradable. Let's consider these things one at a time, and then see how well they work together for commercial, agricultural and industrial applications.
In a hydraulic system, the force applied on one side of the system is transmitted through a fluid to the other side. The efficiency of the system depends on the compressibility of the fluid, which is why almost all such systems use oils that are highly incompressible. This means that any force applied from one side is multiplied and transferred to the other side.
The practical applicants are innumerable and quite common, such as transmissions, brakes and power steering in vehicles. Backhoes, garbage vehicles and dump trucks that do a lot of heavy lifting are entirely powered by hydraulics. The technology used in aircraft flight control system is also heavily dependent on hydraulics, and so are lifts and a huge number of heavy industrial machines.
It's not just about power transfer either. These fluids can and are used for multiple purposes. For instance, they are capable of transferring heat and can act as a conducting medium. The fluid pressure acts as a sealing medium to prevent leakage of gases and liquids into the surroundings. At the same time, the fluid provides lubrication by reducing friction between moving parts that come into contact with each other, and extracts the heat generated in this process.
Biodegradability in general refers to the tendency of substances found in nature to break down into constituent components such as Co2 and other elements commonly found in the soil, water and air. An ideal comparison is the way a dead plant is processed by microorganisms, sunlight and water inside of a month. This is particularly relevant here since biodegradable hydraulic oil is composed of plant-based material that degrades in much the same way as dead plants when left out in the open.
This fast degradability is obviously a good thing for any application, but it becomes even more critical for certain sectors. For example, agricultural machines such as tractors, combines and pumps used on farmland cannot be allowed to spill toxic fluids that may mix with the soil and water. It would eventually makes its way into feedstock and the agricultural produce, and thereby pose health risks for humans as well as farm animals.
There are two basic categorizations for fluids that lay claim to biodegradability. They can either be inherently or readily biodegradable. The latter term implies that 60-100 percent of the substance will degrade within 28 days. The inherently biodegradable type can only promise 20-60 percent of biodegradation within the same period.
The easy way to get hold of the most efficient and environment-friendly biodegradable hydraulic oil on the market is to check for standards compliance. Excellent viscosity or the oil grade can be assumed if the product is ISO 32, 46 or 68 compliant. Similarly, compliance with ASTM-D-6006 and ASTM-D-6046 can be used to assess the degree of biodegradability.
In a hydraulic system, the force applied on one side of the system is transmitted through a fluid to the other side. The efficiency of the system depends on the compressibility of the fluid, which is why almost all such systems use oils that are highly incompressible. This means that any force applied from one side is multiplied and transferred to the other side.
The practical applicants are innumerable and quite common, such as transmissions, brakes and power steering in vehicles. Backhoes, garbage vehicles and dump trucks that do a lot of heavy lifting are entirely powered by hydraulics. The technology used in aircraft flight control system is also heavily dependent on hydraulics, and so are lifts and a huge number of heavy industrial machines.
It's not just about power transfer either. These fluids can and are used for multiple purposes. For instance, they are capable of transferring heat and can act as a conducting medium. The fluid pressure acts as a sealing medium to prevent leakage of gases and liquids into the surroundings. At the same time, the fluid provides lubrication by reducing friction between moving parts that come into contact with each other, and extracts the heat generated in this process.
Biodegradability in general refers to the tendency of substances found in nature to break down into constituent components such as Co2 and other elements commonly found in the soil, water and air. An ideal comparison is the way a dead plant is processed by microorganisms, sunlight and water inside of a month. This is particularly relevant here since biodegradable hydraulic oil is composed of plant-based material that degrades in much the same way as dead plants when left out in the open.
This fast degradability is obviously a good thing for any application, but it becomes even more critical for certain sectors. For example, agricultural machines such as tractors, combines and pumps used on farmland cannot be allowed to spill toxic fluids that may mix with the soil and water. It would eventually makes its way into feedstock and the agricultural produce, and thereby pose health risks for humans as well as farm animals.
There are two basic categorizations for fluids that lay claim to biodegradability. They can either be inherently or readily biodegradable. The latter term implies that 60-100 percent of the substance will degrade within 28 days. The inherently biodegradable type can only promise 20-60 percent of biodegradation within the same period.
The easy way to get hold of the most efficient and environment-friendly biodegradable hydraulic oil on the market is to check for standards compliance. Excellent viscosity or the oil grade can be assumed if the product is ISO 32, 46 or 68 compliant. Similarly, compliance with ASTM-D-6006 and ASTM-D-6046 can be used to assess the degree of biodegradability.
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