JPH0121749B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method for producing unfoamed foods in the form of rice cakes and yokans. The purpose of the present invention is to propose a method for producing unfoamed foods by smoothly kneading and heating various marine food materials.

DESCRIPTION OF THE PREFERRED EMBODIMENTS The structure of the present invention will be described below with reference to the drawings shown as examples.

First, as shown in FIG. 1, an inner cylinder 2 is arranged inside the outer cylinder 1 at an appropriate distance from the inner wall of the outer cylinder 1, and an input passage 4 is provided at one end of the inner cylinder 2 for feeding the food material 3.
are in communication with each other, and a liquid injection path 5 for supplying water and the like is also in communication at approximately the center thereof.

Incidentally, a discharge port 7 is formed in the center of a cover 6 attached to the end faces of both the cylinders 1 and 2.

Next, inside the inner cylinder 2, a pair of rotating shafts 8, 8 are arranged, as shown in FIG.

On the rotation shafts 8, 8, there is a wide screw 9 having a wide trapezoidal valley shape at the position of the injection passage 4, and subsequently, a wide screw 9 whose valley width is narrower than that of the wide screw 9 at the position of the liquid injection passage 5. Medium width screw 10 with 1 to 3 threads with arcuate valley shape
However, following this, a narrow screw 11 with a smaller valley width is successively installed.

Further, between the outer cylinder 1 and the inner cylinder 2, a coiled pipe 12 is provided over the entire length of the rotating shafts 8, 8 through which water is passed for temperature control.

Therefore, the food material 3 is fed from the input path 4 between the wide screw 9 and the inner cylinder 2, but since the wide screw 9 has a wide trapezoidal valley, it can easily accept food materials with large particles. It's getting old.

The food material 3 sent into the inner cylinder 2 as described above
is gradually sent to the next medium-width screw 10 by the rotation of the pair of rotating shafts 8, 8.

There, liquid such as water is supplied from the liquid injection path 5, so that the food material 3 is kneaded and water is added thereto.

The amount of water added at this time is desirably 20 to 50 parts by weight of the water content of the food material 3 in order to make the unfoamed food in the shape of a dough or yokan after processing.

While being kneaded in this manner, the food material 3 is sent to the next narrow screw 11 where it is further kneaded and sent out as a pelleted food.

Note that the pressure applied by the wide screw 9 is such that the food material 3 is pushed out of the inner cylinder 2 while the food material 3 is sequentially fed through the inner cylinder 2 through the medium width screw 10 and the narrow screw 11. The pressure is gradually reduced to prevent foaming, and finally the pressure is reduced to just the right amount necessary for extrusion.

During this time, the outer cylinder 1 is heated to 60°C to 300°C as necessary by a heating device (not shown) provided on the outside, so that the food material 3 is kneaded and heated at the same time.

Note that water is sent into the pipe 12 to adjust the heating temperature.

As described above, the present invention proposes a method in which even food materials with large pea-like particles can be easily bitten into the screw, and the food materials 3 are smoothly kneaded and heated to form unfoamed foods. It was made.

[Brief explanation of drawings]

FIG. 1 is a sectional view of a main part of an apparatus embodying the method according to the present invention. FIG. 2 is a perspective view of the rotating shaft. 1... Outer cylinder, 2... Inner cylinder, 3... Food material, 4
...Injection path, 5...Liquid injection path, 8...Rotation shaft, 9...
...Wide width screw, 10...Medium width screw, 1
1...Narrow width screw, 12...Pipe.

Claims (1)

[Claims] 1. A suitable food material 3 is fed into the inner cylinder 2 equipped with a plurality of rotary shafts 8, and at the position where the food material 3 is introduced, the wide screw 9 of the rotary shaft 8 whose valley shape is a wide trapezoid, Following that, inner cylinder 2
At the position of the liquid injection path 5 in the approximately central part of the rotary shaft 8, the valley width is narrowed and the valley shape is made into an arc shape. At Narrow Screw 11,
It is characterized by injecting, kneading, and heating the inside of the inner cylinder 2 while moving it forward according to the rotation of these screws, pressurizing it to the extent necessary to extrude it from the inner cylinder 2, and then extruding it as an unfoamed state. A method for producing a strip-shaped unfoamed food.