JPH10183419A - Treatment of thin-skin cocoon and apparatus therefor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a method and apparatus for treating a thin-skin cocoon and separating the cocoon into thin skin and chrysalis without giving bad influence on the environment. SOLUTION: A dried thin-skin cocoon is partly incised, the incision is opened, the chrysalis is taken out of the cocoon and the thin skin is separated from the chrysalis by wind selection taking advantage of the specific gravity difference between the thin skin and the chrysalis. The apparatus to perform the above process comprises a cutting part to incise a part of a thin-skin cocoon between a rotary blade 14 and a rubber roll 15, and an opening claw to open the incision of the thin-skin cocoon in cooperation with a rotary basket 25 placed in a long horizontal box 22 and protruded ridges 26 on the inner circumference of the rotary basket 25. The apparatus is further provided with an opened cocoon separation part 12 having a rotary blade 28 to generate wind against a discharging port 24 of the rotary basket 25 and a chrysalis discharging conveyor 29 placed below the rotary basket 25.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a skin cocoon (thin cocoon).
The present invention relates to a method and an apparatus for treating a nest cocoon for separating cocoons into thin skin and pupa.

[0002]

2. Description of the Related Art Conventionally, thin skins and pupae are separated from each other because the skin nest cocoons are used as fibers and the pupa is used as bait in fish farms. The device is designed to dehydrate the skin cocoon sent out from the reeling machine with a dehydrator and then wash it with a washing machine. Then, in a wet state, the skin cocoon is wrapped in a skin treatment device, and the skin (fiber) is peeled off. And pupae are taken out separately and each is dried with hot air.

[0003]

In this method, since the skin cocoons are treated in a wet state, the working environment is poor due to odor and the like, and a large amount of water is required to wash the skin cocoons. Not only that, when draining the washed water, rivers and the like are polluted with the drainage water, and the BOD and COD of the rivers and the like are increased.
There is a problem that adversely affects the natural environment. An object of the present invention is to provide an apparatus for treating skin cocoons that does not have such a problem.

[0004]

According to the invention of claim 1 of the present application, after a cut is made in a part of a dried nest cocoon, the pupa is taken out from the thin skin by opening the cut in the nest cocoon. The method uses a specific gravity difference between the skin and the pupa to separate the skin and the pupa by air separation. When processing the nest cocoon by such a method, the amount of water required to process the nest cocoon Can be greatly reduced.

[0005] The invention according to claim 2 of the present application is characterized in that an incision is made in a part of a dried nest cocoon supplied from a hopper, and the nest cocoon cut in the incision is separated into a pupa and a thin skin. The incision is made up of a rotating blade provided with a number of disk-shaped blades and a rubber roll opposed to the rotating blade with a gap passing through the skin cocoon. The open cocoon separation unit comprises a horizontally elongated box, and a horizontal axis provided in the box, provided with an input port for a cutaneous cocoon cocoon cut on one side and a discharge port for a thin skin separated on the other side. A cylindrical rotating basket that rotates about the center, an expanding claw that opens a cut of the skin cocoon cut in cooperation with a ridge provided on the inner peripheral surface of the rotating basket, and a thin skin provided in the rotating basket Characterized in that a rotor for generating wind toward the discharge port side of the pupil and a pupal discharge conveyor provided at a lower portion of the rotary basket are provided, and such a configuration is provided. , It can be easily separated by continuous thin skin and pupae. In addition, since water is not used in this process, the amount of water used can be greatly reduced.

[0006]

Embodiments of the present invention will be described with reference to the drawings. In FIG. 5, 1 is a storage tank for storing nest cocoons (thin cocoons) a dried by a dryer (not shown), 2 is a nest cocoon processing machine for separating nest cocoons a into pupae b and thin skin c, Reference numeral 3 denotes a conveyor having a metal piece separating function for supplying the skin cocoon a stored in the storage tank 1 to the skin cocoon processing machine 2, and reference numeral 4 denotes a thin skin crate 5 for separating the thin skin c separated by the skin cocoon processing machine 2. A transport pipe for blowing air into the pupil, 6 is a separator for separating thin skin fragments (fibers) contained in the pupa separated by the nest cocoon processing machine 3 from the pupa, and 7 is sent out from the nest cocoon processing machine 2 Pupa separation machine 6
, A tank for storing pupae from which thin skin fragments (fibers) have been removed by the separator 6, and a screw conveyor 9 for feeding pupa b from which thin skin fragments have been removed by the separator 6 to the tank 8. Is shown.

As shown in FIG. 1, a nest cocoon processing machine 2 includes a hopper 10 and a dried nest cocoon a supplied from the hopper 10.
And an open cocoon separating unit 12 for separating the cocoon cocoa a partially incised at the incision 11 into a pupa b and a thin skin c. As shown in FIG. 1 and FIG. 3, the incision portion 11 includes a rotary blade 14 on which a large number of disk-shaped blades 14 a are juxtaposed on the machine base 13 at intervals of 2 to 3 mm.
A rubber roll 15 is provided between the rotating blade 14 and the opposing rubber roll 15 with a gap for passage of the cocoon cocoon a.
The bearing 17 supporting the shafts at both ends of the rubber roll 15 is mounted on the underframe so that the rubber roll 15 advances and retreats with respect to the rotary blade 14 so that the gap between the rotary blade 14 and the rubber roll 15 can be adjusted. 16 so as to be movable on the bearing 17.
A screw rod 19 for screwing a nut 18 fixed to the machine base 13
By rotating the screw rod 19 with the operation handle 19a, the distance between the rotary blade 14 and the rubber roll 15 can be adjusted.

The rotary blade 14 and the rubber roll 15 are
The electric motor 20 is rotated in a direction in which the nest cocoon a bites into the gap between the two, that is, in the direction of the arrow shown in FIG. 1, so that about one to three cuts are made in the nest cocoa a sandwiched between the two. (Depending on the manner of contact of the nest cocoon a with the rotary blade 14). Reference numeral 21 denotes a scraper in which a comb-like portion faces between the disk blades constituting the rotary blade 14, and the scraper 21 rotates about a shaft 21a to rotate between the disk blades configuring the rotary blade 14. The state can be switched between a state in which the comb-tooth-shaped part faces and a state in which the comb-teeth part is separated therefrom. Reference numeral 21b denotes a handle for performing this switching.

As shown in FIGS. 1 and 2, the open cocoon separating section 12 has a horizontally elongated box 22 and an input port 23 for a cut-out skin cocoon a provided in the box 22 and cut into one side. Incision is made between a cylindrical rotating basket 25 that rotates about a horizontal axis provided with a thin-skin discharge port 24 separated on the other side and a ridge 26 provided on the inner peripheral surface of the rotating basket 25. Incision a-1 made on the cocoon a
, A rotating wing 28 provided in the rotating basket 25 for generating wind toward the discharge port 24 side, and a pupal b discharge conveyor 29 provided below the rotating basket 25. Be composed.

To explain this further, the rotating basket 25 is
A wire mesh 25b is stretched over a plurality of ring pieces 25a to form a long cylindrical body, and a large number of long ridges 26 having a mountain-shaped cross section in the long direction are formed on the inner peripheral surface of the rotary cage 25 at equal intervals. The rotating basket 25 is mounted on the trochanters 30, 30 and the trochanters 30, 30 are driven and rotated by an electric motor 31.
5 is provided with a side plate 32 fixed to the box body 22 side on one side end face,
The inlet 23 is opened in the upper half of the side plate 32, and the side plate 33 fixed to the box plate 22 is also faced to the other end surface of the rotary basket 25. Exit 2
4 was opened. Then, a rotating shaft 35 that is supported by the side plates 32 and 33 to face the center of the rotating basket 25 and rotates in the opposite direction to the rotating basket 25 in conjunction with the electric motor 31 is provided. A total of five wings 28 are mounted at equal intervals at both ends and between them, and a widening claw 27 formed by shaving the tip of a steel rod 27a between the rotary wings 28 approaches the ridge 26. And the ridge 2
The incision made in the skin cocoon a between the skin 6 and the expanding nail 27 was expanded so that the pupa b came out from the thin skin c. The steel rod 27a having the expanding claw 27 formed at the tip is provided between the rotary blades 28 so as to protrude from the rotary shaft 35 in an alternate diametric direction with a phase shift of 180 °. A screw conveyor 29 is provided below the rotating basket 25 along the lengthwise direction thereof, and the screw conveyor 29 transfers the pupae falling from the mesh of the rotating basket 25 to the screw conveyor 7 side.

In addition, a viewing window 22a is provided on the upper surface of the box 22.
, And the rotating basket 25 is also provided with a maintenance door 25c.

As shown in FIG. 4, the separator 6 is sieved with a first sieve 6a with a vibrator and the first sieve 6a.
A second sieve 6b with a vibrator for further sifting the mixture of the pupa and the thin pieces (fibres) remaining on the top is provided, and the thin pieces (fibers) are separated by the first sieve 6a and the second sieve 6b. The pupa thus produced is supplied to the tank 9 by a screw conveyor 37.

To explain this further, the first sieve 6a and the second sieve 6b are stretched between the hopper 38 and the driving roll 39 and the guide roll 40, which are driven and rotated in conjunction with the electric motor 50 in the hopper 38, respectively. Endless conveyor type sieve net 4
1, a vibrator 47 that is driven to rotate in conjunction with an electric motor 42 via belts 43 and 44, a rotating brush 48 that removes pupae clogged in the sieve mesh 41, and a lower part of each hopper 38. A screw conveyor 45 that supplies the pupa pieces sieved by the sieve net 41 to the screw conveyor 37 side, and the pupa b remaining on the first sieve 6a is crushed by a crushing roll 46 provided at a lower portion on the outlet side thereof. After being crushed by 46, the second sieve 6
b), and the second sieve 6b completely removes thin skin fragments that are harmful as food contained in the pupa b.

Next, processing of the skin cocoon by the present apparatus will be described. The skin cocoons a supplied from the hopper 10 are sequentially fed between the rubber roll 15 and the rotary blade 14. Then, while the nest cocoon a passes between the rubber roll 15 and the rotary blade 14, one to three incisions are made in the thin skin c and the pupa b
Is also partially cut, and is supplied into the rotating basket 25 from the charging port 23 via the chute 49. Then, the operation of lifting with the rotation of the rotating basket 25 and the operation of dropping under its own weight are repeated, and are gradually carried to the discharge port 24 side by the wind generated by the rotation of the rotating wings 28, during which the inner periphery of the rotating basket 25 is rotated. The pupa b is crushed by the cooperation of the ridge 26 provided on the surface and the expanding claw 27, and the operation of opening the cut made in the thin skin c is repeated, and the pupa b in the thin skin c becomes the thin skin c. The pupa b is discharged from the eyes of the rotating basket 25 by its own weight and discharged from the conveyor 29.
And sequentially sent out to the screw conveyor 9 side. Then, the thin skin c which has released the pupa b and has become lighter is sent out from the outlet 24 to the transport pipe 4 side by the wind generated in the rotating basket 25 and stored in the tank 8. The pupa b is stored in the tank 8 after the thin pieces (fibers) of the skin contained therein are separated by the separator 6.

[0015]

According to the method of claim 1, when the cocoon nest is separated into thin skin and pupa, the cocoon can be treated without using water, so that waste water is less discharged into the river. The impact on the environment can be reduced.

In treating the nest cocoon with the apparatus according to the second aspect, the cocoon cocoon can be treated without using water, so that the discharge of sewage to a river is reduced, and the influence on the environment is reduced. In addition, the processing of the skin and the pupa can be continuously separated.

[Brief description of the drawings]

FIG. 1 is a cutaway side view showing an embodiment of the invention.

FIG. 2 is an enlarged sectional view taken along line XX of FIG. 1;

FIG. 3 is an enlarged sectional view taken along line YY of FIG. 1;

FIG. 4 is a side view of the separator.

FIG. 5 is a layout diagram including devices before and after the embodiment of the invention.

[Fig. 6] Cutaneous cocoon with cut

[Explanation of symbols]

2 Skin cocoon processing machine 14 Rotary blade 15
Rubber roll 22 Box 23 Input port 2
4 Outlet 25 Rotating basket 26 Ridge 2
7 Expanding claw 28 Rotor wing

Claims (2)

[Claims] 1. After cutting a part of the dried nest cocoon, the incision made in the nest cocoon is opened, the pupa is taken out from the thin skin, and the pupa is removed by using the specific gravity difference between the thin skin and the pupa. A method for treating dermal cocoons, which comprises subjecting pupae and pupae to wind separation treatment. 2. An incision section for making an incision in a part of a dried cocoon cocoon supplied from a hopper, and an open cocoon separation section for separating the cocoon cocoon cut in the incision section into a pupa and a thin skin. The incision portion is composed of a rotating blade provided with a number of disk-shaped blades and a rubber roll facing the skin blade with a gap for the skin cocoon between the rotating blades. And a cylindrical rotation provided around the abscissa provided in the box and provided with a cutout cocoon insertion opening on one side and a thin skin discharge opening separated on the other side. A basket, an expanding claw for opening a cut of the skin cocoon cut in cooperation with a ridge provided on an inner peripheral surface of the rotating basket, and a wind toward a discharge port side of a thin skin provided in the rotating basket. And a pupal discharge conveyor provided below the rotary basket.