Importance of Steam Accumulator in Boilers

Steam Accumulator

Steam Accumulator is a shell type pressure vessel which is used to store steam generated by a boiler and use it for varying load demands.

Steam Boilers are generally designed for a certain capacity at which they could supply steam continuously which is also it is maximum continuous rating.

Know More: What is the boiler

So, the steam boiler designed for higher steam requirements can be made to run on lower loads or lower steam demands but a boiler designed for lower loads cannot run on higher loads or higher steam demands.

Generally, it is observed that the steam requirement in a process is not fixed and keeps changing with time. For some time period, there might be lower load requirements than the steam boiler capacity while for some period of time there might be high load requirements.

Low load requirements can be easily met by the boiler but high steam requirements cannot be met by this boiler as it is not designed for such capacity. This is where a steam accumulator plays an important role as they store steam generated by the boiler and use it as and when required.

Steam Accumulators are designed in such a way that when there is an excess of steam, that when lower loads are required than the boiler maximum load, the excess steam gets stored in an accumulator and when the process steam load requirement increases, the steam from both the boiler and the accumulator can be released to meet up the process requirement.

Installing a steam accumulator would bring about a huge reduction in boiler size, thereby reducing the cost of a boiler, installation cost, operating cost and increased boiler efficiencies.

Steam Accumulator as the cost-effective solution

  • The plant already having a boiler of a certain capacity but for some reasons, the process load requirement increases for certain time period in a day while for other time, process load requirement falls even below the maximum capacity.
  • Plant planning to install a boiler for their process must consider the average heat load requirement of their process for deciding the maximum boiler capacity, and for the overload conditions, the steam accumulator can be installed.

Deciding the capacity of the steam accumulator is not an easy task as it requires full time monitoring the steam flow rates in a process and making an organized chart showing the excess steam generation and overload steam demand.

This data is collected for at least 2 to 3 days and any other load variations are recorded. Then this data helps in calculating the maximum capacity of a Steam Accumulator.

Steam Accumulator

We, at Thermodyne Boilers, have manufactured, supplied and commissioned Steam Accumulators to many of our Clients. And their continuous operation with time has ensured the reliability that we consistently work upon.

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Thermodyne  is a trusted name in Indian Steam Boiler Industry. Backed by more than 15 Yrs of experience and 800+ installations across all major industry segments using boilers.

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