What Is a Fuel Gas Ring Main in Benzene Production?

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Discussion Overview

The discussion revolves around the concept of a fuel gas ring main in the context of benzene production from toluene. Participants seek to clarify the function and structure of the fuel gas ring main, particularly how it relates to the distribution of fuel gas used in heating processes.

Discussion Character

  • Exploratory
  • Technical explanation
  • Conceptual clarification
  • Debate/contested

Main Points Raised

  • One participant notes that fuel gas is used for heating in benzene production and is subsequently directed to a fuel gas ring main, expressing confusion about the latter's function.
  • Another participant attempts to clarify the concept of a ring main, explaining it as a looped pipe or cable that allows for supply in two directions, which can help maintain pressure or voltage at various outlets.
  • A participant questions the relevance of electrical concepts like voltage to the fuel gas ring main, indicating a misunderstanding of the analogy used.
  • Further clarification is provided that the ring main allows for fuel gas to be supplied through multiple paths, ensuring that the operation of one burner does not negatively impact the supply to another burner.

Areas of Agreement / Disagreement

Participants express varying levels of understanding regarding the fuel gas ring main, with some confusion about its analogy to electrical systems. There is no consensus on the clarity of the explanation provided, and the discussion remains somewhat unresolved regarding the specific application to fuel gas.

Contextual Notes

Participants have not fully agreed on the technical details of how the fuel gas ring main operates or its implications for benzene production. The discussion includes assumptions about the analogy between fuel and electrical systems that may not be universally accepted.

Chemist20
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Aparently the fuel gas is used for the heater in the production of benzene from toluene. But once this, it goes to the fuel gas ring main which I have no clue of what it is!

Help :)
 
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I'm sorry I have no idea what your second sentence means.
 
Sorry, I explained myself pretty badly!
Okay, so the fuel gas is used for the heater. and the amount which is left unused is taken to the "fuel gas ring main", and I haven't got a clue of what that is!

thanks :)
 
Well a ring main is a pipe or cable connected in the form of a loop or ring.

The electricity or piped substance can then be fed in two directions to any point.

The purpose of this is illustrated in my sketch.

Suppose you have loads or outlets A, B and C fed from a source as shown.

If B is a heavy load than there will will a large pressure drop from the source to B.

So if outlet C or load C is fed only via B (the thick line) then it will be fed at low pressure or voltage.

If we now complete the ring via the dashed line the proper pressure or voltage is maintained at C.
 

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Studiot said:
Well a ring main is a pipe or cable connected in the form of a loop or ring.

The electricity or piped substance can then be fed in two directions to any point.

The purpose of this is illustrated in my sketch.

Suppose you have loads or outlets A, B and C fed from a source as shown.

If B is a heavy load than there will will a large pressure drop from the source to B.

So if outlet C or load C is fed only via B (the thick line) then it will be fed at low pressure or voltage.

If we now complete the ring via the dashed line the proper pressure or voltage is maintained at C.

thanks a lot for the effort, but I don't quite see what this has to do with the fuel. I mean, voltaje? I thought that in the fuel oil main ring the fuel was circulating, not electricity!

thanks again!:)
 
Use your imagination.

:biggrin:

I said pipe or cable.

There is a water supply ring main around London.

I can remember a bentonite (a drilling mud) ring main at one site I worked.

The point is that whatever is supplied has two paths to feed any load, thus bypassing another load that affects the local supply capacity.

Your fuel gas is fed through such a ring pipe so that the firing up of one burner does not affect an adjacent one.
 

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