Jantrayan
Get a quote
Menu

Soaking tanks

Also called: paddy soaking tank, parboiling tank, steeping tank, soaking tank

Step 3 of 8: Parboiling

Large tanks where clean paddy is soaked in water, often warm water, until the grain has taken up enough to be steamed.

Availability subject to feasibility check

Prices depend on the specification and the supplier. Request a quote.

Request a quote
Example of a Soaking tanks
Example of this machine type, not a specific model we supply.Photo: Supplier listing, used with permission, indiamart.com

Soaking tanks: how it works

  1. Cleaned paddy is filled into a tall tank from a conveyor above.
  2. Water, cold or heated, is let in until it covers the paddy.
  3. The paddy stands in the water until the grain inside the husk has taken up enough moisture to be steamed.
  4. The water is drained off, and the wet paddy is steamed in the same tank or let out to a separate steamer.

Main types

Cold soaking tank
Plain water at the temperature of the day. Simple, but slow, and the water can turn sour.
Hot soaking tank
Water heated by steam and kept warm shortens the soaking and gives a cleaner smell and colour.
Soaking and steaming tank
A closed tank with steam pipes inside, so soaking and steaming happen in one vessel.

Where it fits in the process

It is the first step of parboiling, after cleaning. Soaked paddy goes to steaming and then to the dryer.

Soaking tanks price in Bangladesh: how to get a quote

We do not publish prices. The price of a machine depends on its specification, the supplier and the shipping terms, and it changes with the market. Tell us the points below: we check feasibility and the import rules, then send you a quotation.

What to tell us

  • How much paddy you parboil in a day.
  • Cold or hot soaking, and soaking only or soaking and steaming in one tank.
  • The boiler and steam you have.
  • Mild steel or stainless steel.
  • The height and floor space available.
Request a quote

Common questions

Why is paddy soaked before steaming?

Steam can only cook the starch if the grain already holds enough water. Soaking brings water through the husk into the whole grain, so the later steaming cooks it evenly to the centre.

What is the difference between cold and hot soaking?

Cold soaking uses plain water and takes much longer, which lets the water ferment and gives the rice a smell. Hot soaking uses warm water for a shorter time and gives lighter-coloured rice without the smell, but it needs steam and good control.

What is the price of paddy soaking tanks in Bangladesh?

We do not publish prices. The price depends on the size and number of tanks, the steel, the heating and the pipework. Send us the points listed above and we will quote.

More machines in this step: Parboiling

  • Steamer

    A vessel that passes steam through the soaked paddy. The starch sets, so the grain turns harder and breaks less when it is milled.

    Availability subject to feasibility check

    Request this machine

  • Steam boiler

    A fired pressure vessel that makes the steam for parboiling, and often the heat for the dryer as well.

    Availability subject to feasibility check

    Request this machine