Canola oil foaming fast treatment methods:

1, add acid. Add phosphoric acid or citric acid and water to canola oil and use centrifugal method to remove the foam.

2, add salt water. When the new oil temperature is 50 degrees, add the right amount of salt water, and after a few hours of precipitation, the foam can be removed.

3, direct skimming. When the pot of canola oil foam, take a spoon to skim the foam can be, this method is simple and fast.

Rapeseed oil production:

1, cleaning: before cleaning, first put the rapeseed in bamboo baskets, with the foot crushed which shoulder mud (mud), and then screening. Through the windmill to remove lighter than the gray debris of rapeseed. Then use the coarse and fine sieve to remove the inclusions that are larger or smaller than the rapeseed, respectively.

2, frying seeds: the use of laminated pot (can also be used in two sets of pots and pans), the sandwich can be filled with grass ash or fine sand. When you start to fry, the fire can be slightly larger, about 0.5 hours, the pot of rapeseed has fried sound, that should control the fire. Canola out of the pot 10 minutes before the fire should be pressed, when the temperature of canola in the pot reached 115 ~ 120 ℃, hand twisted canola crushed golden brown, can be out of the pot. Stirring should be diligent when frying.

3, grinding: the mill should be put flat, adjust the mill center height, the material is uniform, the size of the seed separate grinding, grinding, not out of the whole seed. Grind seed to turn over diligently and sweep, the first billet will start groove, add about 3% of the sieve clean chaff or about 2% of the 3 cm long grass heart mix, press out of the billet thickness of not more than 0.2 cm, mixed into the provisions of the coarse chaff or grass heart, you can directly steam billet.

4, steaming billet: the first billet steamed for about 2 minutes, green steam, two billet steamed for 25 minutes. Steaming should be constantly adding water to the pot to supplement the loss. Steam waist shall not leak, burning fire and coal to be uniform. The bottom of the cauldron should be added a layer of brown, both to protect the bottom of the cauldron, but not sticky billet. At this time to diligently change the steamer water.

5, the package cake, on the press: the first road to play a double circle, the second road to play a single circle, decentralized package cake, centralized loading press, the package cake should be fast, the cake should be stepped on tightly stepped on the flat. The package cake to scattered grass is good.

6. Pressing: light and diligent. Make the cake quickly pressed, light pressure after the oil, hard pressure, 1 hour later, most of the oil out of the press, heavy beating, slow beating, increase the pressure. Hit the bar to hit the flat and hit the right, up and down the tip of the uniform. The first hit 3 hours, 90% of the oil, the second hit 4 hours, the next morning out of the press. In order to prevent the cold wind blowing, with insulation board or sack cover press.