The method of pressing cotton seeds and the problems that tend to occur

The method of pressing cotton seeds and the problems that tend to occur

Large cottonseed production line.

Lint-free cotton seeds ---cleaning ---shelling ---shell-kernel separation ---germ rolling ---Steaming and frying---pressing

Operation description: Cotton seeds contain 15-25% oil rate, cotton seeds contain about 35% kernel rate, cotton kernel oil rate up to 32-46%, cotton seeds off the short lint, clean up the shelling, separation requires kernel in the shell rate of 6%. Then add water to soften, so that the water reaches 10-12%, germ processing with steam frying pan, so that the oil content of 1.5%-2.5%, the temperature reaches about 125-130 degrees, and then into the oil press press after.

Half of the cotton seeds are cold pressed, and the moisture content of the press is controlled at 4-6%. Test method: bite the cotton seed shells with your teeth, shell broken with a loud and appropriate. If it becomes flat, it is too wet, if the shell broken kernel into a powder state, then too dry.

From the current state of the pressing process to determine the oil moisture, oil cake into powder, then the cotton seeds dry; cotton seeds do not enter the press chamber, do not eat material, then the cotton seeds contain too much water.

Problems that may arise.

1. A large amount of oil enters the hopper, then the gap between round rows should be adjusted to increase oil output and ensure smooth oil output.

2. The feed out of the cake is not smooth. The new machine of oil press does not have sufficient mill. It should be operated according to the manual.

Advantageous discharge is not smooth, is caused by too much water in the cotton seeds, need to adjust the moisture.