JP2019216678A - Seafood washing machine - Google Patents

Abstract

To provide an inexpensive and small-sized seafood washing machine, capable of removing slime of seafoods, for example, on a ship, and washing together various seafoods.SOLUTION: A seafood washing machine 100 has a constitution including a drum 1 having an inlet 14 and an outlet 15 for seafoods, a spiral screw 2 rotating in the drum 1, a nozzle 64 for jetting out washing water W into the drum 1, and a brush 3 between spirals of the screw 2.SELECTED DRAWING: Figure 1

Description

  BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a seafood washing machine, and more particularly, to a seafood washing machine provided with a helical screw rotating in a drum and washing while feeding seafood.

  Many people hate the stench of seafood. This bad smell is a reason why the fish and shellfish are hated, and makes the fish and shellfish feel less fresh. In particular, seafood caught in seine nets is covered with mud and flies, but bacteria of the genus Pseudomonas that decompose and release bad odors inhabit the seabed mud at concentrations more than 1,000 times higher than seawater. Attached to the slime (mucus) of the surface of the seafood in the bag net. This slime is a bait of bacteria, which grows vigorously at 5 ° C. or higher, and reaches a concentration that emits offensive odor due to deterioration of freshness in a short time. As described above, the odor emitted from the body surface of the fish and shellfish is an odor emitted by increasing the concentration of the putrefactive bacteria actively attached thereto. The removal of slime on the body surface is also the removal of bacteria, and is an important pillar for maintaining the freshness of fish and shellfish as well as for lowering the temperature to cool the body (10 ° C. → 5 ° C. or less).

  Conventionally, washing machines for fish and shellfish have been considered and are being sold. For example, in the washing machine of Patent Literature 1, it is described that a fish is passed through a chain conveyor between the tips of two rotating brushes while spraying washing water. The washing machine of Patent Document 2 describes that fish is thrown between three or more rotating spiral brushes while circulating washing water is sprayed from above.

  The washing machine disclosed in Patent Document 3 describes an apparatus in which a fish transporting rotary drum having a large number of holes formed in a washing tank from which bubbles are ejected is tilted. A spiral partition wall is provided in the rotary drum, a brush is provided at a predetermined position, and a fish inlet port of the rotary drum enters half of the water in the washing tank, and an outlet side is entirely exposed from the water. ing.

  Also, in the moving image of Non-Patent Document 1, there is disclosed a washing machine in which a spiral partition wall is provided in a horizontally installed rotating drum and squid is sent through shallow washing water.

JP 2011-15519 A JP-A-11-178502 JP-A-5-17820

Tsunezawa Co., Ltd., [online], a squid washing machine that is one of the squid processing machines and sample videos, [searched on April 16, 2018], Internet <URL: http://www.tsunezawa.co.jp/cgi -local / page.cgi? MODE = 1 & ID1 = 001 & ID2 = 000 & ID3 = 0102 & LANG = 0〉

  Many fisheries are sensitive to the freshness of fish and are concerned about the freshness of the fish before it is sold in auction. Under such circumstances, the slime on the body surface of fish and shellfish is a protein secreted from the mucus gland and is constantly secreted, thereby originally preventing bacteria from entering the body. For this reason, removal of slime has been generally prohibited from ancient times. In addition, the peeling of scales was called net slippage, and was most disliked by fisheries-related personnel.

  In addition, simple washing such as washing off mud attached may be performed, but washing of seafood, unlike washing for food processing, must be carried out so that the seafood is used as much as possible to avoid damage. Must. In addition, it must be washed as soon as possible to remove bacteria of the genus Pseudomonas. Also, if the fish and shellfish can be washed at once, the washing time can be shortened and freshness can be maintained.

  It is also possible to wash the seafood on land after returning to the port, but taking into account the growth of bacteria, it is best to remove slime on the fishing boat. Therefore, if washing is performed on a fishing boat, it is desirable that the washing machine be as small as possible, and it is more efficient to wash various kinds of fish and shellfish together.

  In particular, bottom seine is a type of fishing called bycatch. Therefore, in the case of a bottom seine, it is better to be able to wash the fish together rather than selecting the fish in each case, which leads to prevention of putrefaction odor and maintenance of freshness.

  Further, if the washing machine is made smaller and more compact, it can be installed in a narrow place on the ship. In addition, if the washing machine can be supplied at a low cost, many fishery officials can actually purchase it.

  In order to solve such a problem, the washing machine disclosed in Patent Document 1 is a chain conveyor, and has a problem that it is large and requires time to pass between brushes one by one, so that it is applied to various kinds of seafood. There is a problem that you can not. In addition, there is a problem that the fish is damaged because the fish is caught by the protruding piece of the chain and a metal brush is used.

  The washing machine of Patent Literature 2 has a problem that it takes time since it has to pass between brushes one by one, and has a problem that it cannot be applied to various types of fish and shellfish. In addition, the washing machine disclosed in Patent Document 2 is a pre-process of fish processing such as removal of internal organs of the fish, removal of ovaries, opening, and cutting of three fish, and fish is sandwiched between three or more spiral rotating brushes. There is a problem that the fish is damaged because they are sent out.

  The washing machine disclosed in Patent Literature 3 removes non-uniform slime and germs without reaching a brush for fish and shellfish that float too much in the water near the inlet. This washing machine uses a water tank type washing tank (7), and the water in the tank is discharged by overflow or the drain opening (30) is opened and discharged each time. . Therefore, since the washing is basically continued with the water accumulated in the tank, the washing is performed with extremely unsanitary water. In addition, since a washing tank for accommodating the rotating drum is required, the apparatus becomes large. In addition, since the rotating drum in the cleaning tank is rotated, the weight including the cleaning water is added, and the power is increased, thereby increasing the size of the apparatus. Further, since the washing machine has a structure in which the rotating drum itself rotates, the fish and shellfish are repeatedly moved up and down by rotation of the rotating drum near the outlet, so that the fish and shellfish is damaged. Further, since this washing machine has a structure using a spiral partition wall to which expanded metal is attached, there is a problem that the partition wall damages fish and shellfish.

  As can be seen from the movie, the washing machine disclosed in Non-Patent Document 1 has some fish and shells that fall and hit the ridges of the spiral partition wall, so that the fish and shells are significantly damaged (the fishing boat shakes due to pitching or rolling). And the damage is even greater). In addition, since this washing machine does not have a brush, slime and various bacteria are not sufficiently removed. Further, this washing machine has a problem that a large power is required to rotate the drum.

  In addition, none of the four documents describes the purpose of removing the slime of fish and shellfish before being put into auction. Further, there is no description on the purpose of removing slime of seafood using a seafood washing machine on a fishing boat.

  SUMMARY OF THE INVENTION An object of the present invention is to provide a seafood washing machine capable of removing slime so as not to be damaged while making the best use of seafood. It is another object of the present invention to provide a seafood washing machine that can wash various kinds of seafood together. Another object of the present invention is to provide an inexpensive and small-sized seafood washing machine.

  In order to achieve the above object, a seafood washing machine of the present invention includes a drum having an inlet and an outlet for seafood, a helical screw rotating in the drum, and ejecting washing water into the drum. A brush is provided between the nozzle and the spiral of the screw.

  According to the present invention, fish and shellfish are pushed out from the inlet to the outlet together with the jetted washing water by the screw. At this time, since the drum itself is not configured to rotate, the fish and shellfish do not fall due to the rotation of the drum, so that damage to the fish and shellfish is small. Further, since the brush rotates together with the screw to roll the fish and shellfish, slime can be evenly removed. In addition, since a plurality of fish and shellfish can be introduced, washing can be performed in a shorter time as compared with a washing machine in which one fish is introduced. Further, when the washing machine is shaken by pitching or rolling of the fishing boat, the shaking of the fish and shellfish can be kept between the pitches of the screw.

  Therefore, washing for removing slime of fish and shellfish has conventionally been generally regarded as a taboo. However, with the fish and shellfish washing machine of the present invention, only slime can be positively removed without damaging the fish and shellfish. The fish and shellfish can be delivered to the auction while maintaining the freshness.

Further, since the present invention has a simple configuration, it is possible to provide a small and inexpensive fish and shellfish washing apparatus which does not require large power. This facilitates mounting on a fishing boat. If it can be mounted on a fishing boat, it will be possible to remove slime and various bacteria immediately after frying, so that freshness can be maintained for a long time. In addition, fish and shellfish from which slime and germs have been removed can be promptly delivered to auction.
Further, in the fish and shellfish washing machine of the present invention, it is preferable to provide a weir that rotates with the screw and has an outflow hole that allows discharge from the outlet intermittently.

According to the present invention, the washing water contaminated with the removed slime and bacteria is intermittently discharged, so that the washing water for washing the fish and shellfish is very clean. In addition, the fish and shellfish can survive in the washing water accumulated by the dam, and the freshness increases. Also, because the fish floats, scales are difficult to peel off. In addition, intermittent damming can be performed automatically, which reduces labor. In addition, since it has a simple configuration, it is small and inexpensive.
In the fish and shellfish washing machine of the present invention, it is preferable that the nozzle is provided below the drum.

  As a result, the washing water can be spouted from beneath the washing water stored by the weir, and the fish and shellfish can be floated in the washing water, and the fish and shellfish can be prevented from stopping at the bottom of the drum. I do.

  Further, in the fish and shellfish washing machine of the present invention, it is preferable to provide a relief hole for limiting a depth of the washing water accumulated in the drum. This prevents the fish and shellfish from floating too much and not coming into contact with the brush. In addition, foreign substances, slime, and various germs floating on the surface of the washing water are washed out.

  Further, in the fish and shellfish washing machine of the present invention, it is preferable that the brush is rotatably held. This can avoid excessive rubbing force of the brush on the fish and shellfish, thereby reducing damage to the fish and shellfish.

It is a fragmentary sectional view showing the important section of the seafood washing machine of an embodiment of the present invention. FIG. 2 is a right side view of FIG. 1. It is a sectional side view showing a brush of an embodiment, and a position of washing water. It is a figure showing operation of a weir. 9 is an image showing a modified example of the arrangement of brushes.

  Hereinafter, embodiments for carrying out the present invention will be described with reference to the embodiments and the drawings. However, the following embodiments are not intended to limit the present invention to those described here. The invention can be applied equally to various modifications without departing from the technical idea shown in the claims. In addition, in each drawing used for the description in this specification, in order to make each member large enough to be recognizable in the drawing, the scale of each member is shown differently, and it is not necessarily actual size. It is not shown in proportion to the dimensions of.

[Embodiment]
The configuration of the main part of the seafood washing machine 100 according to the embodiment of the present invention will be described with reference to FIGS. 1 and 3 indicate the water level of the washing water W. The seafood washing machine 100 of this embodiment is mounted on a fishing boat and uses cold seawater as the washing water W.

  The seafood washing machine 100 includes a cylindrical drum 1 for washing inside, a screw 2 for feeding the seafood F and washing water W in the drum 1 to a discharge side, and a brush 3 for peeling off the slime of the seafood F. , A weir plate 4 serving as a weir for intermittently discharging the fish and shellfish F and the washing water W, a driving unit 5 for rotating the screw 2 and the weir plate 4, an ejection unit 6 for ejecting the washing water W, and components The mounting base 7 is made of stainless steel to which is mounted.

  The drum 1 includes a cylinder 11, a front lid 12 for closing a front side of the cylinder 11, a rear lid 13 for closing a rear side of the cylinder 11, and an opening for fish and fish F provided with an opening above a front side of the cylinder 11. 14, a discharge port 15 opened below the back cover 13, a front bearing 16 provided on the front cover 12 for supporting the screw 2, and a rear bearing 17 provided on the back cover 13. .

The cylinder 11 is a commercially available vinyl chloride cylinder having an inner diameter of 580 mm, a wall thickness of 20 mm, and a length of about 1500 mm. Note that the cylinder 11 may be made of a metal such as stainless steel. Although not shown, it is preferable to provide, for example, two openable windows on the side surface of the cylinder 11 for inspection and replacement of parts.
The front lid 12, the rear lid 13 and the inlet 14 are made of metal. The front bearing 16 and the rear bearing 17 are a pillow type bearing unit with a cover made of cast iron.

  The screw 2 is made of stainless metal or resin in consideration of maintenance and durability, and includes a shaft 21, a blade 22 having a metal plate spiraled four times, and a latch 23. The diameter of the shaft 21 where the blades 22 are welded is about 90 mm. The latch 23 has a semicircular shape in which a donut is cut in half, and is welded to the blade 22. The blade 22 has a helical shape formed by cutting one radius of a disk having a hole formed in the center and connecting four axially rolled parts by welding.

  The brush 3 has non-rigid bristles 31 made of resin fibers such as nylon 66 or plant fibers such as palm held by stranded stainless steel wires 32. In addition, the brush 3 has eggplants 33 attached to both ends of a stranded wire 32 and has a diameter of about 100 mm and a total length of less than 400 mm. In this eggplant 33, the hook portion 331 and the attachment portion 332 are rotatable, and are hooked on the latch 23 of the screw 2. The brush 3 is configured such that a total of about 30 brushes are detachably hung between the spiral pitches of the blades 22 in parallel with the shaft 21 of the screw 2, and the bristle 31 itself is rotated by the eggplant 33.

  In addition, the brush 3 whose bristles 31 have been worn can be easily replaced by the attachment portion 332. It is very preferable that the brush 3 can be easily replaced especially when the seafood washing machine 100 is mounted on a fishing boat.

  The weir plate 4 is a disc made of vinyl chloride having a thickness of 15 mm and a diameter slightly smaller than the inner diameter of the cylinder 11, and is fixed to the shaft 21 of the screw 2 by a metal fitting 41, and its position is located between the blade 22 and the rear. It is between the lids 13. A constant interval is provided between the weir plate 4 and the rear lid 13 (discharge port 15) as shown in FIG. 1, and this interval is about 150 to 160 mm.

  An outflow hole 42 and three overflow holes 43 are formed in the weir plate 4, and a packing 44 is attached thereto. The dam plate 4 performs damming and overflow, and will be described later in detail with reference to FIG.

  The drive unit 5 includes a motor 51 composed of an inverter motor capable of continuously changing the rotation speed, a small gear 52 fixed to a shaft 511 of the motor 51, a large gear 53 fixed to the shaft 21 of the screw 2, It consists of a case 54 that covers these. The rotation of the motor 51 is reduced by the difference in the size of the pitch circle between the small gear 52 and the large gear 53, and the screw 2 rotates three times per minute. The method of changing the rotation speed of the screw 2 is not limited to the inverter motor, but includes, for example, a method of changing the diameter of the pitch circle of the gear.

  In addition, when washing was actually performed using the seafood washing machine 100 of the present embodiment, when the rotation of the screw 2 was set to 5 rotations per minute, the rotation was too fast and the washing time was short to remove the slime. . However, the number of rotations of the screw 2 naturally changes depending on the type of fish, the use condition, the size of the device, and the like.

  As shown in FIG. 3, the ejection unit 6 includes a washing water tank 61, a submersible pump 62, a water supply pipe 63, and a nozzle 64. The washing water tank 61 contains washing water W which is cold seawater supplied from a fishing boat. Cold seawater is cold seawater cooled with ice and mixed with fresh water, and is suitable for maintaining the freshness of the seafood F. Washing water W uses 50-70% of seawater by adding ice even when cooling seawater is supplied from a fishing boat. Even when cooling seawater cannot be obtained, cooling is performed at 5 ° C or less by adding 30-50% of ice. You can get seawater.

  The submersible pump 62 is put in the cleaning water W of the cleaning water tank 61 and discharges the cleaning water W. The submersible pump 62 has a filter 622 in the water suction pipe 621 to prevent foreign substances from being mixed. In the present embodiment, a submersible pump 62 capable of discharging about 120 to 140 liters per minute is used.

  The water supply pipe 63 is a water channel that guides the cleaning water W discharged from the submersible pump 62 to each nozzle 64. The water supply pipe 63 includes a filter 65 near the submersible pump 62. The filter section 65 includes a filter 651 inclined with respect to the flow direction. Due to this inclination, the surface of the mesh of the filter 651 can be widened, and foreign substances are brought to one side, so that clogging becomes difficult. The filter 651 has a finer mesh than the filter 622 of the submersible pump 62, and the filter unit 65 is detachable with a plurality of screws N for cleaning.

  The nozzles 64 are holes having a diameter of 3 mm formed in the cylinder 11 and are provided in six rows in the upper part and two rows in the lower part as shown in FIGS. The upper nozzle 64 simulates the waterfall of a waterfall, and assists the peeling of the slime of the fish and shellfish F with the force of the spout, promotes the movement of the brush 3, and allows a large amount of the washing water W to flow out.

  Since the lower nozzle 64 jets out of the washing water W, it has little effect of flushing out slime and various germs, but has an effect of floating the fish F in the washing water W and preventing it from staying at the bottom of the drum 1. is there. By floating the fish and shellfish F in the washing water W, the scales are less likely to peel off, and the brush 3 can be evenly applied with a moderate force to remove slime and various germs. A uniform surface can be cleaned.

  Although not shown, the water supply pipes 63 for the upper and lower six rows are provided with valves capable of opening and closing the respective water channels and adjusting the flow rate. A valve is similarly attached to the water channel from the submersible pump 62.

  Components other than the washing tank 61 and the submersible pump 62 are attached to the mounting table 7, and the tilt of the drum 1 can be adjusted by four adjusters 71. With the adjuster 71, the seafood washing machine 100 can be easily installed substantially in parallel. The adjuster 71 is effective not only when the seafood washing machine 100 is installed on land, but also particularly when it is installed on a fishing boat. Since the deck of a fishing boat is usually inclined, when the seafood washing machine 100 is installed in parallel on the fishing boat, the adjuster 71 allows the fishery washing machine 100 to be easily installed in parallel.

  Next, damming and overflow will be described with reference to FIG. The two-dot chain line in FIG. 4 indicates the water level. The weir plate 4 that is fixed to the screw 2 and rotates is a disk that intermittently stops the washing water W in the drum 1 from being discharged from the discharge port 15 of the back cover 13. When the seafood F is sent in the direction of the weir plate 4 by the blades 22 of the screw 2, the weir plate 4 rotates clockwise, as shown by the thin arrows in FIG.

  Along with the fan-shaped outflow hole 42 for releasing the dam, the depth of the washing water W (two-dot chain line in FIGS. 4C and 4D) collected by the dam is limited to 17 cm. Hole 43 is formed. As shown in FIG. 4, the overflow hole 43 is formed by a large number of holes arranged on a circular arc, and the diameter of these holes is small so that the fish F does not come off. The overflow holes 43 need to be provided in consideration of the strength of the dam 4. In the seafood washing machine 100 of the present embodiment, holes having a diameter of 8 mm are provided at intervals of 50 to 60 mm.

  As shown in FIGS. 1 and 3, an overflow hole 18 is also formed on the side wall of the cylinder 11 to limit the depth of the cleaning water W to 17 cm. The hole diameter of the overflow hole 18 is, for example, a through hole having a diameter of 8 mm at intervals of 30 mm to 50 mm so that the fish F does not come off.

  As shown in FIG. 2, the fan-shaped right end of the outflow hole 42 is formed at the end of the outflow hole 42 (22a in FIG. 2) so that the fish and shellfish F approached toward the end of the blade 22 is discharged. Is formed at a position corresponding to

  A packing 44 for preventing the washing water W from leaking from between the weir plate 4 and the cylinder 11 is provided with a groove 45 having a width of 8 mm and a depth of 6 mm formed on the outer periphery of the weir plate 4 (see an enlarged view of FIG. 1). It is detachably fitted to. The packing 44 and the groove 45 are not provided on the outer periphery of a region S (see FIG. 4A) at an angle from the center of the weir plate 4 including the outflow hole 42. Therefore, foreign substances such as dirty cleaning water and sand after the cleaning flow out from the area S.

  In this embodiment, the cylinder 11 is made of vinyl chloride. However, in the case of vinyl chloride, an error in the diameter of the cylinder is generally about ± 2 mm. In view of this, a silicone tube is used as the packing 44, and the hollow portion of the tube is used to apply the displacement to a large gap. When the cylinder 11 is made of stainless steel, a larger dimensional error is likely to occur. Therefore, a silicon-like packing is preferable as the packing 44 as in the present embodiment.

  Next, (A) to (D) of FIG. 4 will be described. (A) to (D) show the rotation state of the weir plate 4, and return to (A) after (A), (B), (C), and (D), and repeat the rotation. (A) is a state where the outflow hole 42 is located below. At this time, the fish F and the stored washing water W are discharged, and the water level of the washing water W becomes the lowest state. (B) is a state in which the weir plate 4 rotates from the state of (A), the lowermost part 42a of the outflow hole 42 starts to rise, and the washing water W starts to accumulate. (C) is a state where the weir plate 4 has rotated from the state of (B). At this time, the accumulated washing water W overflows from the overflow hole 43, the water depth is maintained at 17 cm, and the fish F is brought close to the weir plate 4. (D) is a state in which the weir plate 4 has rotated from the state of (C), and the lowermost part 42a of the outflow hole 42 has reached the surface of the washing water W. At this time, the fish and fish F and the washing water W are discharged. Then, the weir plate 4 rotates from the state of (D), discharges the fish and shellfish F and the washing water W, and returns to the state of (A).

  Due to the above-described structure and the action of the damming and overflow of the weir plate 4, the seafood washing machine 100 of the present embodiment cleans the seafood F with the washed water W kept at a predetermined depth (17 cm) and stopped. I do. Further, the cleaning water W contaminated by the cleaning is periodically discharged as the screw 2 rotates.

  As described above, in the seafood washing machine 100, the nozzle 64 for jetting the washing water W is provided not only above but also below the washing water. Further, the drum 2 itself does not rotate, but the screw 2 rotates to bring the fish and shellfish F and the washing water W after washing in the discharge direction. In addition, the brush 3 is rotatably supported by the screw 2 in a spiral manner, and moves irregularly due to the ejection of the washing water W from the upper nozzle 64 and comes into contact with the fish F in the washing water W. Peel off the slime of seafood F.

  Thereby, the seafood washing machine 100 of the present embodiment is referred to as a non-rotating drum 1, a spiral screw 2, a brush 3 attached to the screw 2, a weir plate 4, a driving unit 5 of the screw 2, and a jetting unit 6. With this configuration, the drum 1 itself is not rotated, and a large transport device for the fish and shellfish F is not required. Therefore, the size, the cost and the power are small.

  Therefore, it becomes easy to mount the seafood washing machine 100 on a fishing boat. If it can be mounted on a fishing boat, it is possible to remove slime and various bacteria on the fishing boat immediately after frying. Therefore, especially for fishing for 4 or 5 days or more, the freshness after that can be kept long and the bad smell will be reduced . In addition, slime and various bacteria can be removed quickly by using the time required to arrive at the fishing port, so that time is effectively used. Then, the fish and shellfish F from which slime and various germs have been removed can be quickly delivered to the auction.

  In addition, the seafood washing machine 100 of the present embodiment can be used on land, and because of its advantages of small size and low cost, many seafood washing machines 100 can be installed at a washing place or the like in a fishing port. The washing operation can be completed, and the freshness of the seafood F can be kept longer. Further, since the fish and shellfish F immediately after catching has a function of secreting slime, it is easy to remove the slime and it is possible to greatly extend the high freshness holding time.

  When the seafood washer 100 is used on land, the seawater in the bay contains many harmful bacteria. Therefore, no seawater is used as the washing water W, and 2% salt water cooled to 5 ° C. or less is used. Preferably, water is used. Therefore, performing washing on a fishing boat instead of on land also has the advantage of reducing washing costs because offshore seawater with less bacteria can be used as washing water W.

  In the seafood washing machine 100 of the present embodiment, not only the slime is removed irrespective of the size and the type of the seafood F, but also the seafood F is washed while being put in the cold washing water W. The temperature in the table can be reduced below 5 ° C. Therefore, even under general ice storage conditions, the color immediately after catching can be maintained for about one week.

  In the seafood washing machine 100 of the present embodiment, by using the washing water W of 5 ° C. or less at about 7 tons / hour, the peeled slime and bacteria are constantly washed away, so that the contamination degree of the washing water W does not increase. Designed. In such a case, the processing amount of the fish and shellfish F is preferably limited to about 3 tons / hour at the maximum.

  In addition, since the fish and shellfish washing machine 100 is washed while the fish and shellfish F is immersed in the washing water W intermittently blocked, it can be washed alive and the freshness after that can be kept longer. In addition, since the intermittent damming is automatically performed by the damping plate 4 attached to the screw 2, the labor is reduced. In addition, since it is possible to feed a variety of fish and shellfish without sorting the fish and shellfish F finely, it is possible to wash the fish and shellfish F in a short time by reducing the number of sorting steps, and to maintain the freshness of the shellfish and fish longer. Can be. This is particularly effective in a bottomed fishing boat where a wide variety of seafood F is caught.

  In addition, since the drum 1 itself does not rotate, the fish and shellfish washing machine 100 does not drop the fish and shellfish F due to the rotation of the drum 1 and the fish and shellfish F is hardly damaged. Further, when the washing machine shakes due to the pitching or rolling of the fishing boat, the shaking of the fish and shellfish F can be kept between the pitches of the screw 2. In addition, since the brush 3 rotates together with the screw 2 to roll the fish and shellfish F, slime can be uniformly removed. In addition, the fish F can be floated by the nozzle 64 provided below the washing water, and the fish F can be easily rolled by the brush 3.

  Further, in the seafood washing machine 100, since the washing water W contaminated with the removed slime and germs is discharged at the time of FIG. 4A, the washing water W is periodically replaced during the washing of the seafood F. In other words, the seafood F can always be washed with the clean washing water W. Further, since the washing water W overflowing through the overflow hole 43 is made to flow, it is possible to prevent the fish and shellfish F from floating too much so that they do not come into contact with the brush 3, and to flush out the foreign substances, slime and various bacteria floating on the surface of the washing water W. be able to.

  Further, the rotation function of the brush 3 by the eggplant 33 is a technique added as a result of an experiment conducted by the inventor. Since excessive rubbing force can be avoided by rotating the brush 3, damage to the marine product F can be reduced. For example, when the fish F hits the brush 3 in a state where it is stuck on something and does not float, the brush 3 rotates, so that no excessive rubbing force is applied to the fish F.

  Although the dam plate 4 of the present embodiment is attached to the screw 2 and is made automatic, the damming method of the present invention is not limited to this. For example, a manual damming portion is provided near the discharge port 15 of the drum 1. May be provided. Further, the overflow hole 43 of the present embodiment is provided in the dam plate 4, but the overflow of the present invention is not limited to this position. For example, the hole may be provided in the cylinder 11 of the drum 1.

  In addition, an interval of about 150 to 160 mm is provided between the weir plate 4 and the back cover 13 (discharge port 15) of the present embodiment. This is because the inventor initially narrowed the gap between the weir plate 4 and the back cover 13 to such an extent that the distance between the weir plate 4 and the back lid 13 was tight, but the tail fins of the fish and shellfish F discharged by the rotation of the screw 2 caused the rotation of the weir. This is because the fishery F has been caught between the plate 4 and the rear cover 13 which does not rotate, and damage such as cutting of the fish F has occurred. Therefore, by providing a sufficient space between the dam plate 4 and the back cover 13 as in the present embodiment, this space serves as a pool for the fish and shellfish F, and damage to the fish and shellfish F is prevented. Can be prevented. This interval naturally depends on the size of the seafood washing machine 100 and the size of the seafood F to be washed, but if the interval is about 150 to 160 mm, damage to many seafood F is prevented. Sufficient spacing.

  In addition, the above-described seafood washing machine 100 is large, has a processing capacity of 3 tons / hour, and uses a washing water W of 7 tons / hour, but the size of the seafood washing machine 100 can be changed as appropriate. It is. For example, the processing capacity can be reduced to 1 ton / hour and the usage amount of the washing water W can be reduced to 2 ton / hour.

[Modification]
In the above-described embodiment, the brush 3 is attached parallel to the shaft 21 of the screw 2, but may be attached obliquely to the shaft 21 as shown in FIG. This makes it possible to extend the length of the brush 3 </ b> A of the modified example to extend the range of contact with the fish and shellfish F, and to apply the fish and shellfish F with a large inclination to the direction in which the blades 22 of the screw 2 are fed. The contact can improve slime removal.

[Test results]
Using a prototype of the seafood washing machine of the present invention, fish such as cod, grouper, flounder, red shrimp and grouper were actually washed on a fishing boat. As a result, few fish were injured and some fish had slight fin slime, but almost all slime could be removed from the body surface. Therefore, the seafood washing machine of the present invention is an effective device for removing various types of seafood F.
[Example of cleaning process]
In the above-described washing process on a fishing boat, it is ideal that the slime is washed after being screened, sorted, and packed in a box.

  Further, the seafood washing machine 100 can be applied to the seafood F to be cultured. The seawater at the farm is eutrophic and contains a high concentration of many bacteria, including harmful vibrio bacteria. For this reason, in the washing process of the cultured fish, it is ideal to wash the slime after collecting and cutting the gills and pack them in boxes.

  Also, when transporting live fish by truck or the like, it is ideal to wash the slime after picking it up, put it in a live fish tank, and ship it by truck. Washing the slime can contribute to reducing bacterial growth in the tank. Also, by performing the slime washing, it is possible to suppress the bacterial growth in the live fish tank in the restaurant even in a restaurant handling live fish.

100: seafood washing machine 1: drum 11: cylinder 2: screw 21: shaft 22: blade 3: brush 33: eggplant 4: dam plate 42: outflow hole 43: overflow hole 44: packing 6: ejection part 62: submersible pump 64: Nozzle F: Seafood W: Wash water

Claims (5)

  A drum having an inlet and an outlet for fish and shells, a helical screw rotating in the drum, a nozzle for jetting washing water into the drum, and a brush between the helical screws. And seafood washing machine.   The seafood washing machine according to claim 1, wherein a weir provided with an outflow hole that rotates together with the screw and intermittently allows discharge from the outlet is provided.   The seafood washing machine according to claim 2, wherein the nozzle is provided below the drum.   2. The fish and shellfish washing machine according to claim 1, wherein an escape hole for limiting a depth of the washing water accumulated in the drum is provided. 3.   The seafood washing machine according to claim 1, wherein the brush is rotatably held.