Introduction of which good household brand of coffee bean grinder

l. Propeller type

Advantages: low price

Disadvantages: 1. Because the beans are "chopped" into particles, the size of the ground powder is uneven, and the worn particles are lumpy. This irregular coffee powder is not easy to extract evenly.

two。 Its grinding efficiency is very poor, and the long grinding and the high heat motor below will heat the beans while stirring, destroying the fragrant coffee oil.

two。 Gear bean grinder

Advantages: because the beans are "torn", the coffee powder with very fine and uniform size can be erased, and it is a porous irregular particle with strong cake crumbs under the microscope, which can be extracted evenly by hot water. And the general gear type bean grinder is more advanced, reflected in the price and technology, gear type is the use of the gap between gears to adjust grinding, grinding is more average, grinding temperature is lower, can ensure to retain the original flavor of coffee.

l. Manual bean grinder

Advantages: decorative function, suitable for family use

Disadvantages: slow speed and easy to produce friction heat. It takes a lot of time, and it's quite hard to use it.

two。 Household screw type electric bean grinder

Advantages: small, light and fast

Disadvantages: propeller grinding beans, is to cut off coffee beans, easy to lead to coffee beans of different sizes.

3. Household disc type electric grinder

Advantages: small, light and fast

Disadvantages: can not be continuous for a long time, easy to heat, poor heat resistance of motor and fuselage.

The common bean grinders on the market are propeller and gear type.