commercial soft ice cream maker with certificate,stand ice cream machine

Specifications

commercial soft ice cream maker with certificate,stand ice cream machine
high productivity
energy saving
compectivity price
many colors

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ice cream machine wiki
A domestic ice cream maker is a machine used to make small quantities of ice cream for personal consumption. Ice cream makers may prepare the mixture by employing the hand-cranking method or by employing an electric motor. The resulting preparation is often chilled through either pre-cooling the machine or by employing a machine that freezes the mixture.

An ice cream maker has to simultaneously freeze the mixture while churning it so as to aerate the mixture and avoid ice crystals. As a result, most ice creams are ready to consume immediately. However, those containing alcohol must often be chilled further to attain a firm consistency.
Some machines, such as certain lower-priced countertop models, do require that the resulting mixture be frozen for additional time after churning is complete.

Electric machines
There are three types of electric ice cream machines. Each has an electric motor that drives the bowl or the paddle to stir the mixture. The major difference among the three is how the cooling is performed.
Counter-top machines use a double-walled bowl with a solution between the walls (typically distilled water and urea) that freezes below 32°F or 0°C. In a domestic freezer, this requires up to 24 hours before the machine is ready. Once frozen, the bowl is put into the machine, the mixture is added and the machine started. The paddles rotate, stirring the mixture as it gradually freezes through contact with the frozen bowl. After twenty to thirty minutes, the solution between the double walls thaws, and the ice cream freezes. This type of machine has the advantage of being relatively inexpensive; however, a pre-frozen bowl makes only one batch at a time. The bowl must be refrozen to make another batch. Multi-batches require extra bowls for the machine, which require extra freezer space.

An ice cream maker that has to be placed inside the freezer.

Small freezer-unit machines sit inside the freezer (or the freezer part of the refrigerator) and operate similar to a food processor in slow-motion. Every few seconds, the paddles stir the mixture to prevent formation of large ice crystals. When the ice cream sufficiently freezes, the paddles automatically stop rotating and lift. Since the mixture is cooled in the freezer, it takes longer to freeze than other ice cream makers, which work by placing the ice cream bowl in direct contact with the cooling element. A disadvantage is that the freezer door has to be closed over the flat cord, which is plugged into the nearest power outlet.

However, some modern refrigerators have a built-in ice-cream maker as an accessory or a specialized electrical outlet for freezer-unit machines. It is not necessary to pre-freeze this type of ice cream maker. However, some people[who?] feel that this type of machine produces a lower-quality ice cream because of its slow-motion method. Also available are cordless, battery-operated ice-cream makers that may be placed directly in the freezer, although these tend to require expensive non-rechargeable potassium batteries[citation needed] (most rechargeable batteries or regular alkaline cells perform very poorly at low temperature).

A table top Gelato machine or Italian ice cream maker with its own built-in freezing system.
More expensive, and usually larger, machines have a freezing mechanism built in and do not require a bowl to be pre-chilled. A few minutes after starting the cooling system, the mixture can be poured in and the paddle started. As with coolant-bowl machines, ice cream is ready in twenty to thirty minutes depending on the quantity and recipe. These machines can be used immediately with no preparation, and they make any number of batches of ice cream without a delay between batches. Some of these machines cannot be moved without waiting twelve hours before use since moving the unit upsets coolant in the freezing system. These machines are normally kept in a permanently position ready for use making them impractical in smaller kitchens.

Electrically-operated ice cream maker

The fourth type of electric ice cream maker uses an outer tub filled with ice and salt for chilling. An inner canister holds the ice cream mixture and churn and scraper assembly. A high-speed electric motor, geared at approximately 75RPM, drives a mechanism that simultaneously rotates the canister, counter-rotates the scraper and holds the churn paddles stationary. As the canister turns, the ice cream mixture freezes against the inner wall of the canister. The counter-rotating scraper constantly removes the frozen product from the canister wall and returns it to the mixture. The continuing turning motion of the canister against the stationary churn paddles causes the mixture to become increasingly thick. Enough time, ice and salt produces a smooth "hard packed" ice cream.