Engineering

Recovery cycles of distilation system

Recuperative cycles of distillation apparatus -BRU, during production alcohol.

Let us consider an example of the consumption of energy resources (live steam) mash and rectification columns at the plant 3000 dal.
The scheme of work is shown in fig. No. 1
The total consumption of energy resources by the two columns is: heat energy in the form of live steam 42 kg /dal; cold in the form of reverse water 42 kW /dal.

Consumption of hot steam by columns (Distillation system - 3000)

Потребление острого пара по колоннам (БРУ - 3000)

Total steam consumption for a six-column BRU-3000 dal

Общее потребление пара на шестиколонной БРУ-3000 дал

* steam consumption depends on the strength of the brew and the operating mode operation column

Mash column Epuration column Product-concentrating column The final purification column Rectification column Spin column
up to 19 kg /dal up to 8 kg /dal up to 23 kg /dal up to 8 kg /dal up to 4 kg /dal up to 4 kg /dal

Operation using a regenerative circuit (using a secondary heat) allows you to save heat energy in the form of live steam for heating mash column and part of the energy for cooling the rectification column.

Consumption of hot steam on columns (Distillation system 3000-BTS Engineering)

Потребление острого пара по колоннам (БРУ 3000 - БТС Инжиниринг

Total steam consumption for a six-column BRU-3000 dal

Общее потребление пара на шестиколонной БРУ-3000 дал

* steam consumption depends on the strength of the brew and the operating mode operation column

Mash column Epuration column Product-concentrating column Final Purification Column Rectification column Spin column
- - up to 4 kg /dal up to 8 kg /dal up to 23 kg /dal -

The total consumption of energy resources by two columns in the recuperative the diagram is:

  • heat energy in the form of live steam 26 kg /dal;
  • cold in the form of recycled water 26 kW /dal.

That is, the savings only on the use of recuperation on a bundle Distillation column - Mash column is:

  • heat energy in the form of live steam 20 kg /dal;
  • cold in the form of recycled water 16 kW /dal.
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