Carbonation duct for blending a gas and a beverage and carbonation process

A carbonation duct (1) for blending a gas and a beverage, the carbonation duct (1) comprising:

• a tubular structure (12) surrounding a compression structure (13), the compression structure (13) longitudinally positioned inside the tubular structure (12) and setting a pathway (14) for the flowing of the beverage along the carbonation duct (1),
• wherein the compression structure (13) comprises external diameters (P,C,G) sequentially defining a convergence path (8), a mixture path (19) and a slowdown path (17) along the carbonation duct (1), wherein,
• in the convergence path (8), the carbonation duct (1) comprises a gas entry portion (9) for gas injection in the pathway (14), and
• the tubular structure (12) defines a turbilionating projection (10) establishing a carbonation duct (1) mixture diameter (F), wherein the turbilionating projection (10) comprises a whirl wall (27), the whirl wall (27) configured as a concave surface,
• wherein the turbilionating projection (10) is configured as a planar ramp projection protruding inward from the tubular structure (12) towards the compression structure (13) and the whirl wall (27) is the downstream edge of the protruding ramp which constitutes the turbilionating projection (10), which is concave with respect to the body of the ramp.

A carbonation duct (1) for blending a gas and a beverage, the carbonation duct (1) comprising:

• a tubular structure (12) surrounding a compression structure (13), the compression structure (13) longitudinally positioned inside the tubular structure (12) and setting a pathway (14) for the flowing of the beverage along the carbonation duct (1),
• wherein the compression structure (13) comprises external diameters (P,C,G) sequentially defining a convergence path (8), a mixture path (19) and a slowdown path (17) along the carbonation duct (1), wherein,
• in the convergence path (8), the carbonation duct (1) comprises a gas entry portion (9) for gas injection in the pathway (14), and
• the tubular structure (12) defines a turbilionating projection (10) establishing a carbonation duct (1) mixture diameter (F),
• wherein the tubular structure (12) comprises, in the majority of its length, a flowability diameter (K) greater than the mixture diameter (F) of the carbonation duct (1),
• wherein in the convergence path (8) the carbonation duct (1) comprises a beverage entry portion (5) having a deviation angle (A) for the flowing of the beverage, the deviation angle (A) formed in the compression structure (13) and measured from an internal axis (X) of the compression structure (13) until the surface of the compression structure (13) that establishes the pathway (14),
• wherein the turbilionating projection (10) defines a convergence angle (B) for the flowing of the beverage, the convergence angle (B) measured from the internal axis (X) of the compression structure (13) until the surface of the turbilionating projection (10) that establishes the pathway (14),
• wherein the turbilionating projection (10) comprises a whirl wall (27), the whirl wall (27) configured as a concave surface.