JP2530753B2 - Method and apparatus for removing unwanted substances from food materials - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Industrial field of application) The present invention relates to a method for removing unwanted substances such as straw, wood chips, hair, etc. adhering to food materials such as seafood and vegetables, and an apparatus therefor. Regarding

(Prior Art) For example, shirasu is rather dried on the shirasu, and various kinds of unnecessary substances such as straw, rice husks, wood chips, and hair adhere to the shirasu. Also, shredded bamboo shoots and jellyfish contain unwanted substances such as soil. Then, conventionally, all of these unnecessary substances are manually removed by humans.

(Problems to be solved by the invention) However, according to the above-mentioned manual work, since the shapes and sizes of the wastes are various and there are many kinds, it is very difficult to remove the wastes, and it takes a lot of manpower and time. There was a problem such as needing.

The present invention has been made in view of the above circumstances, and an object thereof is to provide an unnecessary substance removing method and an apparatus therefor capable of efficiently and completely removing an unnecessary substance in a short time without requiring manpower.

[Structure of Invention]

(Means for Solving the Problems) In order to solve the above-mentioned problems of the conventional technology, the present invention supplies a food material together with a fluid to a food material on the upstream side of a conveyor having a porous belt, and supplies the food material on the belt together with the fluid. The impact caused by the fall of the food material when the food material drops a part of the unwanted material that adheres to the food material on the belt and drops a part of the unwanted material that adheres to the food material on the belt. The food material is dropped from the food material, and the frictional contact between the belt hole group and the food material caused by the running of the belt catches unwanted substances in the belt hole group and removes the food material from the food material and conveys it together with the food material. The water jetting device provided between the running belt and the lower running belt and provided near the rear roller applies water to the lower running belt folded back by the rear roller. Spraying to remove unnecessary substances attached to the holes of the conveyor belt,
A method for removing unwanted substances from food materials, characterized in that unwanted substances are collected in a saucer provided below the conveyor and the food materials from which the unwanted substances have been removed are conveyed, and a porous belt is provided. A conveyor, a water injection device provided between the upper traveling belt and the lower traveling belt of the conveyor and near the rear roller of the conveyor, and injecting water toward the lower traveling belt; and a lower portion of the conveyor. A food material finish provided with a saucer provided below the traveling belt is provided, and a supply means for supplying food material is arranged upstream of the food finish, and the food material dropped on the belt together with the fluid. Part of the unwanted material that adheres to the belt from the hole group of the belt and part of the unwanted material that adheres to the food material when the food material drops on the belt together with the fluid Dropped from the food material, by frictional contact between the belt hole group and the food material due to the running of the belt, unnecessary substances are captured in the belt hole group and dropped from the food material and conveyed along with the food material, by the water injection device. An unnecessary substance removing device for food material is characterized in that unnecessary substances adhering to the hole group of the belt are removed and collected in the tray.

(Operation) In the above device, the food material supplied by the supply means is supplied to the upstream side of the conveyor having the porous belt, and one of the unnecessary substances attached to the food material while the food material is conveyed by this belt. Part of the belt falls from the hole group of the belt, and when the food material is dropped on the conveyor along with the fluid, the impact and the food material slips on the belt surface, and the fluid does not completely fall from the hole group and the belt surface While flowing above, some of the unwanted materials are captured by the belt hole groups due to frictional contact with the belt hole groups and separated from the food material, and the unwanted materials attached to the porous belt are folded back. By the water jetting force of the after-water jetting device, the food material is dropped from the belt to the saucer and collected in the saucer to obtain a food material from which unnecessary substances are removed.

(Examples) The present invention will be described below with reference to the examples shown in FIGS. 1 to 7. It should be noted that this embodiment shows a case where the present invention is intended to remove unnecessary substances.

In the figure, the unwanted substance removing device 1 has a supply means 2 and a material finishing part 3, and the supply means 2 is provided with a dispersion supply part 4 and a water tank part 5 following the dispersion supply part 4.

The dispersion supply unit 4 has a hopper 7 and a conveyor 8 on a support base 6. The dispersion impeller 9 having blades protruding in the radial direction near the bottom inside the hopper 7.
Are provided over almost the entire width of the hopper 7, and are pivotally supported between the side surfaces of the hopper 7. A motor 10 for driving the dispersion impeller 9 and the conveyor 8 via a transmission means (not shown) is mounted on the support base 6. And
Casters 11 are provided on the lower surface. Further, a tray 12 made of a steel plate or the like and having an elongated box shape and an open upper surface is provided so as to be inclined downward toward the water tank portion 5 from below the hopper 7 to the water tank portion 5. Further, as shown in FIG. 6, a shower nozzle 13 for facilitating loosening of the shirasu supplied to the hopper 7 is provided on the upper part of the hopper 7, and in front of the rear roller 14 of the conveyor 8 on the side of the water tank 5. A scraper 16 is provided below the portion as shown in FIG. 4, and a shower nozzle 15 is provided in order to prevent the shirasu from invading the scraper 16.

The water tank unit 5 includes a water tank 17 and a support base 18 that supports the water tank 17.
And a water tank 19, a waste material recovery tank 20 and a pump 21. The upstream side of the water tank 17 serves as a receiving section 22, and the rear end of the conveyor 8 of the dispersion supply section 4 faces above the receiving section 22. A water injection port 23 is formed on both side surfaces of the receiving portion 22. On the other hand, the receiving section 22
From the downstream side to the downstream end of the water tank 17, as shown in FIG. 3, an upper weir 24 that is orthogonal to the water flow and is provided with a space between it and the bottom surface of the water tank 17, Aquarium
A plurality of rows (7 rows in this embodiment) are alternately arranged with lower coughs 25 standing on the bottom surface of 17 and having a height corresponding to the space.

In addition, at the downstream end of the water tank 17, a charging unit formed of punching metal or the like for charging the shirasu from the water tank 17 into the material finish 3 and arranged following the lower end of the water tank 17.
26 are provided. Note that 27 indicates an overflow outlet. Pillars of the support cradle 18 on the lower surface of the four corners of the aquarium
28, 28 are stuck. The casters 11 are provided below the pillars 28. Further, a water tank 19 made of a steel plate or the like is provided in the empty space of the support frame 18, and a pump 21, a strainer 30, etc. are installed in the water tank 19.
Casters 11 are provided on the lower surface. And pump
A hose 31 made of vinyl or the like is connected between 21 and the water inlet 23 of the water tank 17. Further, in contact with the water tank 19, a waste material recovery tank 20 made of a steel plate or the like is provided. The unnecessary material recovery tank 20 collects the unnecessary materials from the dispersion supply unit 4 and the material finishing unit 3.

The material finishing unit 3 includes a conveyor 32, a water jetting device 37 provided between the upper traveling belt 34 and the lower traveling belt 35 of the belt 33 of the conveyor 32 and near the rear roller 36 of the conveyor 32, The tray 38 is provided below the lower traveling belt 35, and the support base 39 for supporting the conveyor 32, the water jetting device 37, the tray 38, and the like.

As shown in FIG. 5, the conveyor 32 is a belt (mesh belt) 33 made of polyester or the like and having a wire diameter of about 0.5 mm and a plain weave with a porosity of about 44.5% and 40 groups of holes. , A front roller 41 and a rear roller 36 made of plastic or the like, and the front roller 41 and the rear roller 36.
Belt 33 is wound between and. The front roller 41 and the rear roller 36 are axially supported by the frame 42, and the rear roller 36 is driven by the motor 43 via a transmission mechanism (for example, a chain) not shown.

In the water jetting device 37, a pipe member 44 having a length substantially corresponding to the width of the belt 33 is provided with a required number of nozzles 45 (7 in FIG. 5) at equal intervals in the width direction of the belt 33. The nozzle 45 is provided diagonally downward toward the downstream side of the lower traveling belt 35 in the traveling direction. A hose 31 is connected to one end of the pipe member 44 as shown in FIG. 6, and the other end of the hose 31 is connected to a water supply source.

The tray 38 is an elongated box shape made of a steel plate or the like, is located below the conveyor 32 with its upper surface open, and is provided so as to be inclined downward from the rear roller 36 side toward the front roller 41 side.

 Next, the operation of the above embodiment will be described.

First, the motor 10 of the dispersion supply unit 4 is activated to drive the dispersion impeller 9 and the conveyor 8, and at the same time, the motor 29 of the water tank unit 5 is activated to drive the pump 21 from the water injection port 23 of the water tank 17 into the water tank 17. Pour water. Then, the motor 43 of the material finishing 3 is activated to drive the belt 33.

Next, shirasu is put into the hopper 7 of the dispersion supply unit 4, and water is sprayed from the shower nozzle 13. Then, the shirasu is loosely disentangled by the dispersion impeller 9 and sprinkling and falls onto the conveyor 8, and is conveyed from the upstream side to the downstream side of the conveyor 8 and falls onto the water surface of the receiving section 22 of the water tank section 5. At this time, the relatively heavy undesired material is deposited and removed on the bottom surface of the receiving portion 22 of the water tank portion 5. The water drops into the water tank 19 through the saucer 12 provided at the bottom of the conveyor 8. The shirasu that has dropped to the water surface of the receiving part 22 moves to the downstream side of the receiving part 22 by the water flow injected from the water injection port 23, and moves between the upper cave 24 and the lower cough 25 which are alternately arranged to the third side. As shown by the arrow in the figure, it flows meandering in the vertical direction, and due to the movement by the water flow and the collision with the upper weir 24 and the lower weir 25, the heavy substances among the unnecessary substances attached to the shirasu are transferred to the bottom of the aquarium 17. Part of the sedimented and light material is blocked and removed from the overflow outlet 27 provided on the side portion, and a part of it flows along with the shirasu and moves to the input portion 26 at the downstream end of the water tank 17. Since the charging unit 26 is formed of punching metal, water drops into the water tank 19 through the saucer 38, and shirasu and light unnecessary substances are dispersed on the upper running belt 34 of the material finish 3. To fall. The water supplied to the water tank 17 is stored in the water tank 19, is sent from the strainer 30 and the pump 21 to the water injection port 23 through the hose 31, is passed through the weir of the water tank 17, and is supplied to the downstream end of the water tank 17. It is returned to the unwanted material recovery tank 20 via the section 26 and the saucer 38, and is recycled. Then, water that overflows from the water tank 17 or the like to the outside during circulation and is deficient is appropriately supplied to the water tank 19.

In this way, the shirasu dropped on the upper running belt 34 of the material finish 3 together with water is affected by the impact of dropping and when the belt 34 slips on the belt 34
Straws, wood chips, hairs, etc., which are still attached to the shirasu by frictional contact with the holes 40 group due to the traveling of the upper traveling belt 34 while flowing on the 34, are removed or subdivided, and also When the unwanted substance is entangled in the hole 40 group, the unwanted substance is separated from the shirasu and remains in the hole 40 group, and the water drops from the hole 40 group to the saucer 38. The shirasu from which the unnecessary substances have been removed is conveyed from the upstream side to the downstream side of the material finish 3 by the traveling of the belt 33, and is conveyed to the next step (not shown). Then, the unwanted substances remaining in the holes 40 group of the belt 33 are discharged from the nozzles 45 of the water injection device 37 by the water jetted from the holes 40 group of the belt 33 to the saucer 38.
And is transported to the unwanted material recovery tank 20.

When the conveyor 8 of the dispersion supply unit 4 in this description is provided with an inclination, a belt 47 having vertical grooves 46 formed in parallel with the traveling direction is used as shown in FIG. Can be prevented from returning to.

Further, in the present description, water is used to inject water into the water tank 17, but seawater may be used when the unnecessary substance removing device 1 is mounted on a ship and used offshore, for example, and the water is not limited thereto. is not. In addition, as food materials to be handled, there are other seafood such as oak and shrimp, and vegetables include bamboo shoots, carrots, burdock roots, shiitake mushrooms, green peas,
There is a jellyfish and the like, but not limited to these.

〔The invention's effect〕

As described above, the method for removing unnecessary substances of the food material according to the present invention supplies the food material together with the fluid to the upstream side of the conveyor having the porous belt by the supplying means, and adheres to the food material dropped on the belt together with the fluid. Some of the unwanted material drops from the hole group of the belt, and some of the unwanted material that adheres to the food material is dropped from the food material by the impact of the food material falling when the food material drops on the belt together with the fluid. , Due to frictional contact between the hole group of the belt and the food material due to the running of the belt, unwanted substances are captured in the hole group of the belt and dropped from the food material and conveyed together with the food material, and the upper traveling belt and the lower traveling belt of the conveyor And a water jetting device provided in the vicinity of the rear roller to jet water against the lower traveling belt folded back by the rear roller. Since unnecessary substances attached to the holes of the belt of the beer are removed, the unnecessary substances are collected in the saucer provided below the conveyor, and the food material from which the unnecessary substances have been removed is carried out, so human labor is required. Therefore, it is possible to reliably remove unnecessary substances that continuously adhere to the food material.
Further, according to the unwanted substance removing device of the present invention, a part of the unwanted substances adhering to the food material is dropped from the hole group of the belt, and when the food material and the fluid are dropped onto the belt, the food material is dropped. Unnecessary substances were dropped from the food material by impact, and due to frictional contact between the hole group of the belt and the food material due to running of the belt, the unwanted matter was captured in the hole group of the belt and separated from the food material, and was captured in the hole group. The unnecessary substances can be removed from the belt and collected in the saucer only by spraying water, so that the unnecessary substances do not adhere to the food material again. Moreover, there is an excellent effect that the initial purpose can be achieved by an inexpensive device having a simple structure having a porous belt and a water jet device.

[Brief description of drawings]

1 to 7 show one embodiment of the unnecessary material removing device for food materials according to the present invention. FIG. 1 is a side view, FIG. 2 is a plan view, and FIG. 3 is one of an upper cough and a lower cough. 4 is a partial cross-sectional perspective view of the shower nozzle portion of the conveyor of the dispersion supply unit, FIG. 5 is a partial cross-sectional perspective view of the water injection device portion of the material finish, and FIG. 6 is a water injection unit. FIG. 7 is a side view showing the apparatus and piping to the shower nozzle, and FIG. 7 is a partial cross-sectional view of a belt having vertical grooves used for the conveyor of the dispersion supply unit. DESCRIPTION OF SYMBOLS 1 ... Unnecessary matter removing device, 3 ... Material finishing, 4 ... Dispersion supply part, 5 ... Water tank part, 7 ... Hopper, 9 ... Dispersion impeller, 12 ...
Saucepan, 17 ... Water tank, 19 ... Water tank, 20 ... Waste collection tank, 24 ... Upper weir, 25 ... Lower weir, 33 ... Belt, 37 ... Water jet device, 38 ... Saucepan, 40 ... Hole, 45 ... Nozzle.

Claims (2)

(57) [Claims] 1. A food material is supplied together with a fluid by a supply means to an upstream side of a conveyor having a porous belt, and a part of the unnecessary substances attached to the food material dropped on the belt together with the fluid are partially discharged from a group of holes of the belt. When the food material falls onto the belt and some of the unwanted substances that fall on the belt along with the fluid are dropped from the food material by the impact of the food material falling, the belt holes and the food material caused by the belt running The unnecessary substances are captured in the hole group of the belt by frictional contact with and are removed from the food material and conveyed together with the food material, which is provided between the upper traveling belt and the lower traveling belt of the conveyor and near the rear roller. Water is jetted to the lower traveling belt folded back by the rear roller by a water jetting device provided to remove unnecessary substances adhering to the belt hole group of the conveyor. The undesired substances recovered pan provided below the conveyor, unwanted matter removal method of food material, characterized in that so as to discharge the removed food material of unwanted material. 2. A conveyor having a porous belt and a conveyor provided between an upper traveling belt and a lower traveling belt of the conveyor and near a rear roller of the conveyor.
A material finishing machine is provided that includes a water jetting device that jets water toward the lower traveling belt and a saucer that is provided below the lower traveling belt of the conveyor, and supplies food material to the upstream side of the material finishing machine. Is provided with a supply means for dropping a part of the unwanted matter attached to the food material on the belt together with the fluid from the group of holes of the belt and a part of the unwanted matter attached to the food material to the food material. When the food material falls onto the belt together with the fluid, the food material is dropped from the food material due to the impact, and the frictional contact between the belt hole group and the food material caused by the running of the belt catches the unwanted substances in the belt hole group and the food product. No need of food material, characterized in that it is removed from the material and conveyed together with the food material, and the water jetting device removes unnecessary substances adhering to the hole group of the belt and collects them in the saucer. Removal device.