【Q&A Question 114】2016.08.12
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This post was last edited by liuquan1100 on 2016-8-12 06:35. [Q&A Question 114] 2016.08.12: Why is a drain pipe needed in a compressed air tank? Why are the drain pipes installed at the bottom of the fuel tank? The answer key will be available after responding; scoring is based on answering the key points. There may be steam that leaks into the lubricating oil; after condensation, this steam turns into water and enters the lubricating oil tank. Water can cause the lubricating oil to emulsify. Since water has a higher density than lubricating oil, it settles at the bottom of the tank; therefore, a drain pipe is installed at the bottom of the tank. .
Water may be present in the oil; since water has a higher density than oil, it settles at the bottom of the tank. Installing a drain pipe allows for the removal of this water, thereby ensuring that as much water as possible is drained away
The compressor operates on a Carnot cycle, and liquid water is generated during the compression process (even if the gas is dried, trace amounts of water remain, which accumulate over time). Water has a high density, so it settles at the bottom.
Oil cooling leak: water has a higher specific gravity than oil
Why is a drain pipe installed in the compressor oil tank? Why are the drain pipes installed at the bottom of the fuel tank? Answer: When the turbine is in operation, steam may sometimes leak into the bearings. The lubricating oil comes into contact with this leaked steam while cooling the bearings, causing it to condense. The condensed water then returns to the oil tank along with the oil. To ensure the proper operation of the lubrication system, water must be removed. Due to water’s high density, a drain valve is installed at the bottom of the oil tank, whose purpose is to remove the water from the tank on a regular basis. The drain pipe in the fuel tank is intended to remove the water content from the fuel.
The drain pipe of the fuel tank is used to remove the water contained within it. Since water has a greater specific gravity than oil, it settles at the bottom of the fuel tank
When the turbine is in operation, steam may sometimes leak into the bearings (if there is a leak in the shaft seal or in the steam oil pump, allowing steam to enter the bearings). The lubricating oil cools the bearings by coming into contact with the steam that has leaked in. The condensate returns to the oil tank along with the oil; in order to ensure the proper operation of the lubrication system, the water must be removed. Due to its high density, water sinks to the bottom of the fuel tank. A water discharge valve is installed to allow for the regular removal of water from the fuel tank. The drain pipe of the fuel tank is designed to remove the water contained within it.
Reasons for installing water pipes: 1. To prevent sealed steam condensate from entering the lubricating oil system； Reason for placing the exhaust pipe low: Water is heavy and tends to settle at the bottom of the tank.
Prevent lubricating oil from containing water, as this can cause the oil to emulsify, resulting in poor lubrication effects. Water also cannot serve as a lubricant within the oil; since oil is less dense than water, water settles at the bottom
There may be steam that leaks into the lubricating oil; after condensation, this steam turns into water and enters the lubricating oil tank. Water can cause the lubricating oil to emulsify. Since water has a higher density than lubricating oil, it settles at the bottom of the tank; therefore, a drain pipe is installed at the bottom of the tank.