What should I do if the design volume of the equipment does not match the actual volume?
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This post was last edited by sunmoonforest on 2018-12-13 12:58. Everything that should happen and shouldn’t happen happened, and I encountered a rare problem.: When looking at the drawings, I found that the design size of the steam tank (horizontal tank) is Φ1200 * 8 * 3740, the length is based on the flange surfaces at both ends of the equipment, and the volume of the equipment on the drawing is 7m3. That is, according to the cylinder calculation, it is still 3m3 short of 7m3! I don’t know how to deal with this situation and ask the designer to create a new change diagram? The trouble is that in situations like this, the equipment is said to be out of service, and we are currently in production. Have you ever encountered this situation? Can you give us some advice?
This depends on whether the process conditions allow it. If it is not allowed, the equipment can only be replaced.
The equipment has been used for three years. Without looking at the drawings, I really don’t know that there is a problem with the design of the equipment. There is no problem in using it. The key is what will the pressure vessel regulatory authorities require? Questions like this.
Find out the original process design requirements and container design condition parameters, and compare them with the actual designed container. First determine whether the container design is wrong or the volume on the drawing is wrong. If the drawing is wrong, the designer will issue a revision order. This is a key parameter. It is estimated that the quality control of design, proofreading and review is insufficient.
If you make two units like this, it will only be about 7 cubic meters. :lol
The difference is too big, probably a clerical error.
Please look at the weight and other loads taken when calculating the saddle in the calculation manual.
Just kidding, the current equipment is fine to use and there is no need to add more.
I contacted the design institute yesterday to find out first whether it was a clerical error or a design error. It's probably a clerical error, it's a regular device and there shouldn't be any design issues. I hope they can send the modification order and revised drawings as soon as possible.
The equipment major of the design institute will definitely look at it. We don’t have the calculation book for this equipment on hand.