JP3419700B2 - Scallop midgut gland separation device - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a separating apparatus for separating a non-edible part separated from a scallop of a scallop into a mantle and a gonad and a midgut gland.

[0002]

2. Description of the Related Art Since scallops can be cultured,
It is supplied to the market in large quantities. However, of the parts extracted from the shells, the only part that is normally used for food is the scallop, and other residues such as the midgut gland (so-called uro), mantle (so-called string), and gonads are exceptional. It is discarded except that the mantle may be processed into a liquor tab. Therefore, in the present specification, the mantle, the midgut gland, and the gonad, which are normally discarded as a residue as described above, are collectively referred to as “non-edible part”.

The discarded non-edible portion is treated by incineration, landfilling or the like, but in the case of incineration, the expense is a considerable burden on the scallop processor. Further, since the midgut gland contains heavy metals such as cadmium, there is a possibility that environmental pollution such as soil pollution may occur when landfilling. In addition, there is also a problem that when it is landfilled, it will have a rotten odor.

On the other hand, the residue, particularly the midgut gland, contains useful oils and fats such as eicosapentaenoic acid (hereinafter abbreviated as EPA). The EPA is for inhibiting thrombus formation,
It has an effect of lowering blood cholesterol and is said to be effective in preventing myocardial infarction, arteriosclerosis and the like. The scallop midgut gland contains the EPA at a higher concentration than fish oils such as sardines and squid, and its effective use has been studied.

Conventionally, in order to separate the midgut glands, it has been practiced to manually remove the mantle and gonads from the scallops, and further remove the midgut glands from the scallops. However, in the above-mentioned manual work, when a large amount of processing is to be performed, there is no choice but to rely on a huge amount of manpower, and there is an inconvenience that an increase in costs such as labor costs cannot be avoided.

An apparatus for directly separating only the midgut gland from the scallop is disclosed in Japanese Patent Laid-Open No. 13332/1993 and Japanese Patent Laid-Open No. 5332/1993.
Although a device described in Japanese Patent No. 176727 is known, a device for further separating the non-edible part separated from the scallop into a mantle and a gonad and a midgut gland is not known.

[0007]

DISCLOSURE OF THE INVENTION The present invention solves the above inconvenience, and provides a non-edible portion separated from a scallop of a scallop,
Another object of the present invention is to provide a separation device capable of separating the mantle and the gonad from the midgut.

[0008]

[Means for Solving the Problems] To achieve the above object, a scallop midgut gland separating apparatus of the present invention comprises a mantle separated from a scallop of a scallop, a midgut gland, and a gonad. A water-boiling means for boiling the edible portion to harden the protein, and a stirring tank for accommodating the boiled non-edible portion with water
A rotating shaft provided in the stirring tank; a plurality of flat plate-shaped stirring blades horizontally attached to the rotating shaft; and a motor for intermittently rotating the rotating shaft in the forward and reverse directions to drive the rotation. The stirring blade comprises stirring means for stirring the non-edible portion together with water in the stirring tank to separate the non-edible portion into a mantle and a gonad and a midgut gland. It is characterized in that it is alternately bent upward or downward with respect to the horizontal plane of the stirring blade, and the periphery is covered with a cushion material.

According to the separating apparatus of the present invention, the non-edible portion separated from the scallop of the scallop is first roasted with steam or the like in the hot water roasting means. Since the non-edible part contains a protein, the protein is hardened when heated by the hot water bath, and the mantle and the gonad are separated from the midgut gland easily.

Next, the hot water non-edible portion is stored in the stirring tank together with water. The agitating tank is provided with a rotating shaft having the agitating blades, and the rotating shaft is intermittently rotated forward and backward by the motor. As a result, the non-edible portion housed in the stirring tank is stirred with water by the stirring blade, and the non-edible portion hardened by the hot water is collided with the stirring blade during the stirring, so It is separated into the membrane and gonad and the midgut gland.

At this time, since the non-edible portion is agitated with water, water is used as a buffer to prevent the whole from being broken into mince, and as described above, the mantle, the gonad, and the midgut. The rate of separation into glands can be increased.

The scallop midgut separating apparatus of the present invention is characterized by comprising a plurality of baffles installed upright in the stirring tank.

Since the separating device of the present invention is provided with the baffle plate, when the aforesaid non-edible portion is stirred with water in the agitation tank, the above-mentioned baffle plate collides with the non-edible portion as well. Is separated into Therefore, the non-edible part can be more efficiently separated into the mantle and the gonad and the midgut gland.

[0014]

BEST MODE FOR CARRYING OUT THE INVENTION Next, embodiments of the present invention will be described in more detail with reference to the accompanying drawings. 1 is a perspective view of the midgut gland separating apparatus according to the present embodiment, and FIG. 2 is FIG.
FIG. 4 is an explanatory view showing a part of the stirring tank shown in a broken view, FIG. 3 is a plan view of the stirring member shown in FIG. 2, and FIG. 4 is a sectional view taken along line IV-IV of FIG.

As shown in FIG. 1, the apparatus for separating midgut gland of the present embodiment is a steam boiler 1 for boiling a non-edible part consisting of a mantle separated from a scallop of a scallop, a midgut gland and a gonad.
And a separating device 2 for further separating the non-edible part of the scallop boiled in the steam boiler 1 into a mantle and a gonad and a midgut gland. The separating device 2 includes a stirring tank 5 supported by a pedestal 4 provided on the work table 3, a conveyor 6 for supplying the non-edible portion of the hot-water-dried scallop from the steam boiler 1 to the stirring tank 5, and the stirring tank 5 And a conduit 7 for supplying water into the stirring tank 5.

As shown in FIG. 2, the stirring tank 5 of this embodiment comprises a cylindrical body 5a and a hemispherical bottom 5b, and a lid 8 for closing the upper opening. There is. A rotary shaft 9 is inserted into the stirring tank 5 from above via a lid body 8, and a disc-shaped mounting member 9a is provided at the tip of the rotary shaft 9, and the mounting member 9a has four stirring blades 10a, 10b, 10
The stirring member 10 including c and 10d is screwed. The rotating shaft 9 is rotationally driven by a motor 11 attached to the upper end side, and intermittently rotates in the forward and reverse directions.

Further, three baffles (baffle plates) 13 are erected on the body portion 5a of the stirring tank 5 via mounting members 12 at equal intervals, and an outlet 14 is provided at the center of the bottom portion 5b. It is provided. The outlet 14 is connected to a conduit (not shown) via a valve 15 and can be supplied to a subsequent process for separating the non-edible part and the midgut gland separated in the stirring tank 5.

In this embodiment, the stirring member 10 includes four stirring blades 10a, 10b, 10c, as shown in FIG.
As shown in FIG. 4, each stirring blade 10a, 10b, 10c, 10d is alternately arranged upward at an angle of 30 ° with respect to a horizontal plane. Or it is bent downward. When this is concretely shown in the example of FIG. 4, the stirring blades 10a and 10c have their tips bent upward, and the stirring blades 10b and 10d.
Has its tip bent downward.

The stirring blades 10a, 10b, 10c, 10
By covering the periphery of d with a cushioning material such as synthetic resin to reduce the impact applied to the non-corroded portion, the damage rate is reduced. Further, the stirring member 10 is provided with a fitting hole 16 into which the tip of the rotating shaft 9 is fitted in the central portion thereof, and the stirring member 10 is screwed to the mounting member 9a of the rotating shaft 9 around the fitting hole 16. Bolt holes 17 are provided.

Next, the operation of the separating apparatus of this embodiment will be described.

In the separation apparatus of this embodiment, first, the non-edible part composed of the mantle, midgut gland and gonad removed from the scallop of the scallop is supplied to the steam boiler 1. The non-edible portion is roasted with steam in the steam boiler 1 to harden the protein.

Next, the non-food portion roasted in hot water is put into the stirring tank 5 by the conveyor 6. At this time, the conduit 7 is opened and a predetermined amount of water is put into the stirring tank 5 together with the non-edible portion.

Next, the upper portion of the stirring tank 5 is closed with the lid body 8,
The motor 11 starts rotational driving of the rotary shaft 9. Motor 1
1 stirs the non-edible portion and water in the stirring tank 5 by intermittently rotating the rotating shaft 9 forward and backward.

At this time, stirring blades 10a, 10b, 10c and 10d, whose tip portions are alternately bent upward or downward as described above, are attached to the tip of the rotary shaft 9. Therefore, due to the stirring, a turbulent flow is generated from the stirring member 10 both up and down.
Since the traveling direction of the turbulent flow directed downward is blocked by the bottom portion 5b of the stirring tank 5, the turbulent flow is reversed at the bottom portion 5b and directed upward. As a result, a water flow from the lower part to the upper part of the stirring tank 5 is formed as a whole, and it is possible to prevent the non-edible portion from settling due to its own weight.

Further, according to the stirring blades 10b and 10d whose tip portions are bent downward, the bottom portion 5 of the stirring tank 5 is
It is possible to prevent the formation of a dead space in b that is not stirred.

As a result, the non-edible portion hardened by the hot water is stirred in the stirring tank 5 without settling downward, and the stirring blades 10a, 10b, 10c, 10d are stirred.
By colliding with the baffle 13, the non-edible part is separated into the mantle and the gonad and the midgut gland. In the collision of the non-edible portion with each of the stirring blades 10a, 10b, 10c, 10d and the baffle 13, water serves as a buffer material, so that the proportion of the entire non-edible portion damaged in a minced state is reduced, It is possible to increase the ratio at which the mantle and the gonads are favorably separated from the midgut glands.

In the present embodiment, the rate at which the entire non-edible part is broken like minced is shown as the breakage rate, and the rate at which the mantle and gonads are preferably separated from the midgut gland is shown as the separation rate. The breakage rate can be limited to 20% or less, and the separation rate can be as high as 80 to 90%.

The mantle, the gonad, and the midgut gland separated as described above are taken out from the outlet 14 after being stirred for a predetermined time, supplied to the subsequent step, and separated by the difference in color.

In this embodiment, the stirring blades 10a, 10b, 10c and 10d whose tip portions are alternately bent upward or downward as described above are used. The non-edible part is not limited to this, as long as it can be separated into the mantle and the gonad and the midgut gland by stirring in the stirring tank 5.

Further, in this embodiment, three baffles 13 are provided upright in the stirring tank 5, but when the non-edible portion collides with the baffle 13, the non-edible portion is separated from the mantle and the gonad. The number is not limited to the above three, as long as it can be easily separated from the intestinal gland. Further, the number of stages of the stirring blades 10a, 10b, 10c, 10d is not limited to one, and may be provided in multiple stages.

[Brief description of drawings]

FIG. 1 is a perspective view of a midgut gland separating device of the present invention.

FIG. 2 is an explanatory view showing a part of the stirring tank shown in FIG.

FIG. 3 is a plan view of the stirring member shown in FIG.

4 is a sectional view taken along line IV-IV of FIG.

[Explanation of symbols]

1 ... Boiler means, 2 ... separation means, 5 ... stirring tank, 9 ...
Rotating shafts, 10a, 10b, 10c, 10d ... stirring blades,
11 ... Variable motor, 13 ... Baffle plate.

─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Noboru Abe, Otaru City, Hokkaido, 3-11-12, Otaru Manufacturing Co., Ltd. (72) Inventor, Masayuki Takemoto, Otaru City, 3-chome, Zenokan, 3-11-12 Otaru Manufacturing Co., Ltd. (72) Inventor Seiji Kumagai 3-511-12 Zenibako, Otaru-shi, Hokkaido Inside Otaru Manufacturing Co., Ltd. (56) References JP-A-10-165088 (JP, A) JP-A-56-29949 (JP, A) Special Kai 54-28878 (JP, A) (58) Fields investigated (Int.Cl. ⁷ , DB name) A22C 25/00-29/04

Claims (2)

(57) [Claims] 1. A boiling means for boiling a non-edible part consisting of a mantle separated from the scallop of a scallop, a midgut gland and a gonad to harden proteins, and accommodating the boiled non-edible part with water. Stirring tank, a rotating shaft provided in the stirring tank, a plurality of flat plate-shaped stirring blades horizontally attached to the rotating shaft, and the rotary shaft is intermittently rotated forward and reverse to be driven. and a motor, the agitation by拌槽in our the stirring拌翼by the non food portion was stirred with water, Ri Do and a separating means for separating the non-food portion in the hepatopancreas and mantle and gonad, the stirring blade Means that the tips alternate with respect to the horizontal plane of the stirring blade.
Bent up or down, with cushioning around
A device for separating the midgut glands of scallops characterized by being covered . 2. The scallop midgut gland separating apparatus according to claim 1, wherein the separating means includes a plurality of baffles installed upright in the stirring tank.