Pumps

Scheme of acid supply by a plunger pump with a dispenser during CIP-washing of the column 3000 dal/d

Схема подачи кислоты плунжерным насосом дозатором при CIP-промывке колонны мощностью 3000 дал/сутки

For CIP-washing of distillation units, depending on the type of deposits, acid solutions and alkalis.

For washing with acid solutions, inhibited hydrochloric acid (mass fraction of active chlorine 20-21%) is used. The solution is prepared in such a way that the active chlorine content is 3-5%. For example, for cooking 4% solution of inhibited hydrochloric acid, it is necessary to enter 4 m3 of artesian water and 1 m3 of acid.

The installation works as follows. In the collection of the washing solution with a volume of 5 m3, 4 m3 of artesian water is assigned. Then, using a circulation pump (Q=10m3, H=30m), water is supplied from the solution collector to the upper part of the column. The water from the bottom of the column is drained back through the pipeline into the collection of cleaning solutions, into which plunger metering pump (PDM-P BA 1027/3 400/3/50 0.55) from a collection of acid (1m3) enter inhibited hydrochloric acid. The process is carried out until all the acid from the collection is will move into the solution, after which the metering pump is turned off. During the entire process of preparing the solution the mixing device must be in operation. The cooking process takes approximately 1 hour. The CIP process takes 4-8 hours. CIP-washing with alkaline solutions is carried out in a similar way.

Hydrochloric acid pumps:

Plunger pump dispenser "P"

  • Productivity: 1027 l /h.
  • Pressure 6.5 bar.
  • Connection: 1 1/2 "Gm.
  • Stroke frequency per minute: 120.

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