Food freezing system

Claims

1. A method of freezing food products, including: placing the product to be frozen in the blast freezing chamber; freezing the product in a blast freezing chamber; applying a pulsed electrostatic field to a product for one or more time intervals during freezing of the product in a quick-freeze chamber.

2. The method according to claim 1, wherein applying a pulsed electrostatic field to an object includes: supplying AC input voltage to the power supply; generation in a high-voltage converter of converted voltage from the input AC voltage; setting the characteristics of the pulsed electrostatic field in the signal generator; generation in a signal generator of a signal from the converted voltage based on the established characteristics; generation in one or more induction coils of a pulsed electrostatic field with established characteristics using a signal from a signal generator.

3. The method according to claim 2, wherein the characteristics of the pulsed electrostatic field include at least one of the following characteristics: frequency, intensity or modulation of the pulsed electrostatic field.

4. The method of claim 1, wherein the application of a pulsed electrostatic field during freezing of the item in the freezing chamber limits the size of water crystals within the item to 0.28 nanometers or less.

5. The method according to claim 1, wherein the use of a pulsed electrostatic field during freezing of the product in the freezing chamber preserves the organoleptic properties of the product.

6. The method according to claim 1, wherein the pulsed electrostatic field has at least one of the following properties: voltage in the range from 1 kilovolt (kV) to 50 kV; field strength in the range from 1000 volts per meter (V / m) to 500,000 V / m; pulse frequency in the range from 90 hertz (Hz) to 10,000 kilohertz (kHz); periodicity in the range from 0.05 seconds to 10 seconds; and intermittent duration of exposure from 10 microseconds to 5 seconds.

7. The method according to claim 1, comprising, in response to the application of a pulsed electrostatic field to the object: alternate attraction of positively charged particles inside an object in a first direction and in a second direction opposite to the first direction; alternately attracting negatively charged particles inside the object in a second direction and in the first direction; and alternate accumulation of charges on the surface of an object opposite the pulsed electrostatic field.

8. The method of claim 7, wherein the alternating pulling and accumulating action transmits vibrations to and into the object to prevent the formation of ice crystals during freezing.

9. The method according to claim 1, including creating vibrations on the surface of an object in response to the action of a pulsed electrostatic field on the object and transmitting the vibrations into the object.

10. The method according to claim 9, including vibrations that prevent the formation of ice crystals inside the object during freezing.

11. A method of freezing objects, comprising: freezing an item in a blast freezing chamber; applying a pulsed electrostatic field to an object for one or more time intervals during freezing of the object in a freezing chamber; in response to the application of a pulsed electrostatic field to an object: alternate attraction of positively charged particles inside an object in a first direction and in a second direction opposite to the first direction; alternately attracting negatively charged particles inside the object in the second direction and the first direction; and alternate accumulation of charges on the surface of an object opposite the pulsed electrostatic field. creation of microscopic ultrasonic vibrations on the surface of an object in response to alternate attraction and accumulation; transmitting microscopic ultrasonic vibrations into an object to prevent the formation of ice crystals inside the object during freezing.

12. The method according to paragraph 11, during the execution of which: applying a pulsed electrostatic field to an object includes alternately applying to the object a first electrostatic field oriented in a first direction and a second electrostatic field oriented in a second direction, wherein the second direction is opposite to the first direction; alternately attracting positively charged particles within the object in a first direction and a second direction includes alternately attracting positively charged particles in the first direction in response to the application of a first electrostatic field and in the second direction in response to the application of a second electrostatic field; alternately attracting negatively charged particles within the object in a second direction and a first direction includes alternately attracting negatively charged particles within the object in the second direction in response to the application of a first electrostatic field and in the first direction in response to the application of a second electrostatic field; and the alternate accumulation of charges on the surface of an object opposite to the pulsed electrostatic field includes the alternate accumulation of charges opposite to the first electrostatic field on the surface of the object in response to the application of the first electrostatic field, and charges opposite to the second electrostatic field on the surface of the object in response to the application of the second electrostatic field, the accumulation of charges on the surface of the object in response to the application of the second electrostatic field is opposite to the accumulation of charges on the surface of the object in response to the application of the first electrostatic field.

13. The method according to claim 11, wherein the pulsed electrostatic field includes one or more characteristics, including at least one of the following: voltage, field strength, pulse frequency, periodicity and duration of interruption.

14. The method according to claim 13, further comprising, before applying the pulsed electrostatic field, setting one or more characteristics depending on the type of object in such a way that at least one of the one or more characteristics has a first value if the object is an object of the first type, or a different, second value if the object is an object of a second type, different from the object of the first type.

15. A system for freezing food products, comprising: control unit; power supply unit connected to the control unit; high-voltage converter connected to the control unit and power supply; a signal generator connected to a control unit and a high-voltage converter; field detector; an electrostatic module for applying a pulsed electrostatic field to food products, the module includes one or more induction coils mounted on the radiator plate of one or more emitters.

16. The system of claim 15, wherein the electrostatic module further comprises a sealing filler to ensure tightness and protection from moisture.

17. The system of claim 15, wherein the radiator plate comprises one or more recesses, each of which contains a corresponding one of the one or more induction coils.

18. The system of claim 15, wherein the electrostatic module further comprises one or more indicators, each of which comprises a light-emitting diode (LED).

19. The system according to claim 15, which includes a freezer with a freezing chamber, inside which an electrostatic module is located.

20. The system of claim 19, wherein the electrostatic module further comprises a protective dielectric surface for blocking the electrostatic field of a second electrostatic module located next to the electrostatic module, wherein the protective dielectric surface comprises a polymer dielectric plate with a thickness of at least 5 millimeters.