I would like to know about sulphur dioxide cylinder specifications ,storage tank specifications. I could not locate information on net.
From India, Bangalore
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3From India, Bangalore
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Hi,
This has to be designed to your specific requirement. The data for such design would be the pressure at which you want to store. You will have to design the pressure vessel as per ASME Section VIII.
Thanks & Regards, Sudhir
From India, Vadodara
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This has to be designed to your specific requirement. The data for such design would be the pressure at which you want to store. You will have to design the pressure vessel as per ASME Section VIII.
Thanks & Regards, Sudhir
From India, Vadodara
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Sulphur dioxide cylinder is a used item.Details must be available like chlorine with some senior members.I was thinking of extrapolating information.
I can understand issue about storage tank.Installation where I saw this had a storage tank pressure about 4 kg/cm2.So far information which I am able to get is as follows.
21.1 degree centigrade kg/cm2
kpa 237 2.37
psig
liquefaction kpa 388 3.88 32.2 degree centigrade 56.3
3.843003413 kg/cm2
Design Temperature and Pressure
The design temperature must take into account the typical ambient temperatures since this affects the vapour pressure of liquid SO2. A typical maximum operating temperature is 50°C. The mechanical design temperature can be conservative set at 100°C.
The design pressure must be set higher than the vapour pressure at the maximum operating temperature. A typical design temperature for a storage vessel is 1448 kPa(g) (210 psig). Relief valves should be set at 1379 kPa(g) (200 psig), which is 5% lower than the design pressure.
Materials of Construction
All materials should conform the ASME/ASTM standards. Typically, ASTM A516 Gr. 70 carbon steel will be used for all pressure containing parts. When cold product or ambient temperatures are involved, all material must be impacted tested using Charpy 'V' notch specimens at -46°C (-50°F). No specimen must be less than 15 ft. lbs.
In addition to impact testing, all material shall be normalized.
Corrosion Allowance
Even though anhydrous liquid SO2 is not corrosive to carbon steel, any moisture entering the tank when in contact with liquid SO2 will be corrosive. A typical corrosion allowance will be 3 mm (1/8").
Based on this I would like to know shell thickness and dishend thickness.
S.K.Deshpande
Kandivali East,Mumbai.
From India, Bangalore
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I can understand issue about storage tank.Installation where I saw this had a storage tank pressure about 4 kg/cm2.So far information which I am able to get is as follows.
21.1 degree centigrade kg/cm2
kpa 237 2.37
psig
liquefaction kpa 388 3.88 32.2 degree centigrade 56.3
3.843003413 kg/cm2
Design Temperature and Pressure
The design temperature must take into account the typical ambient temperatures since this affects the vapour pressure of liquid SO2. A typical maximum operating temperature is 50°C. The mechanical design temperature can be conservative set at 100°C.
The design pressure must be set higher than the vapour pressure at the maximum operating temperature. A typical design temperature for a storage vessel is 1448 kPa(g) (210 psig). Relief valves should be set at 1379 kPa(g) (200 psig), which is 5% lower than the design pressure.
Materials of Construction
All materials should conform the ASME/ASTM standards. Typically, ASTM A516 Gr. 70 carbon steel will be used for all pressure containing parts. When cold product or ambient temperatures are involved, all material must be impacted tested using Charpy 'V' notch specimens at -46°C (-50°F). No specimen must be less than 15 ft. lbs.
In addition to impact testing, all material shall be normalized.
Corrosion Allowance
Even though anhydrous liquid SO2 is not corrosive to carbon steel, any moisture entering the tank when in contact with liquid SO2 will be corrosive. A typical corrosion allowance will be 3 mm (1/8").
Based on this I would like to know shell thickness and dishend thickness.
S.K.Deshpande
Kandivali East,Mumbai.
From India, Bangalore
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Dear Mr. S.K. Deshpande,
Thank you for sharing the detailed specifications. I would like to try to work out the shell and dish end thickness. I may need to refer to some books, so I will give it a try once I have some time. However, I am not confident in arriving at the correct thicknesses as this is specifically a designer's job. That is why I will not share on this forum. If you could provide me with your email id, I can send you the calculation sheet in an Excel file. If you are interested, please revert back to me at asudhir17@rediffmail.com.
Thanks & Regards,
Sudhir
From India, Vadodara
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Thank you for sharing the detailed specifications. I would like to try to work out the shell and dish end thickness. I may need to refer to some books, so I will give it a try once I have some time. However, I am not confident in arriving at the correct thicknesses as this is specifically a designer's job. That is why I will not share on this forum. If you could provide me with your email id, I can send you the calculation sheet in an Excel file. If you are interested, please revert back to me at asudhir17@rediffmail.com.
Thanks & Regards,
Sudhir
From India, Vadodara
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There is a practice of filling sulphur dioxide liquefied in tonners/cylinders normally used for liquid cylinders. Being a corrosive gas, additional safety is always better. Many of the fillers are using old/used cylinders for the purpose. Liquid chlorine design pressure is higher at 19.9g/cm2. Based on the vapor pressure of sulphur dioxide, design pressure can be reduced. But still, I suggest you to use chlorine tonner design for safety reasons. You can approach the tonner manufacturer, Indian Sugar and General Engineering Company in Yamunanagar, Haryana. The concerned person's contact number is 09996048709.
Detailed design information of the chlorine tonner/cylinder is attached. Cylinder/tonner is the nomenclature based on one-ton quantity in it. Any vessel less than 1000 litres is called a tonner/cylinder.
From India, Mumbai
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Detailed design information of the chlorine tonner/cylinder is attached. Cylinder/tonner is the nomenclature based on one-ton quantity in it. Any vessel less than 1000 litres is called a tonner/cylinder.
From India, Mumbai
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Thank you for sharing the information. I have used sulfur dioxide cylinders in the past. Their ratings must be lower than chlorine cylinders, which I do not know at this juncture. Have a nice day.
Sunil K. Deshpande
Kandivali East, Mumbai.
From India, Bangalore
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Sunil K. Deshpande
Kandivali East, Mumbai.
From India, Bangalore
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Mr. Paresh,
Hi,
If this falls under Petroleum Products, then the API guidelines should be followed for designing. To the best of my knowledge, OISD provides only safety directives. The API code specifies the design requirements for pressure vessels.
Thanks & Regards,
Sudhir
From India, Vadodara
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Hi,
If this falls under Petroleum Products, then the API guidelines should be followed for designing. To the best of my knowledge, OISD provides only safety directives. The API code specifies the design requirements for pressure vessels.
Thanks & Regards,
Sudhir
From India, Vadodara
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