JPH0424007B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a container for live fish used for transporting live fish such as adult fish for cooking or young fish for release to restaurants and the like.

Conventionally, as shown in Fig. 1, the method of transporting live fish is to pour water through the upper opening 2 of a flexible bag-shaped container 1 made of a material such as a vinyl sheet to a water level that leaves an appropriate space 6 above the container 1. There is a method of transporting the fish in a sealed state by tying off the upper opening 2 with a rope 3 after blowing oxygen into the fish tank 4 and placing the live fish 5 therein. However, when transported by truck or the like in this manner, the water 4 moves up and down, left and right due to vibrations and repeated starting and stopping of the vehicle during transport, and the live fish 5 come into contact with each other due to tilting, bubbling, etc. The disadvantage was that there was a high rate of death due to trauma and fatigue, such as collision with container 1.

In addition, as shown in Fig. 2, using a rigid container 7 made of steel plate or wood with an open top or a cover with an appropriate air vent, fill it with water to an appropriate water level, add live fish 5, and separately. Oxygen cylinder 8 provided,
There is a method of transporting the container 7 by truck or the like while blowing oxygen from the bottom of the container 7 using the pressure regulating valve 9 and the air nozzle 10. In this case as well, as with the method shown in Figure 1, the live fish 5 come into contact with each other or collide with the container 7 due to the agitation of the water surface, resulting in a high mortality rate due to trauma and fatigue. .

The present invention has been made in view of the above circumstances, and includes a spherical container, an oxygen supply nozzle provided below the container, and a buffer partition plate provided above the container. It is characterized by comprising a gas-liquid separator and an exhaust pipe connected to the upper part of the gas-liquid separator.The purpose of this is to minimize the movement of water inside the container during transportation, etc., and to prevent injury to live fish. The goal is to prevent fatigue and reduce mortality.

The present invention will be explained in detail based on the embodiment shown in FIG. The container 11 has a spherical shape, is supported by a plurality of supports 12, and has an opening 1 at the top for putting in and taking out live fish 5.
1a, and a removable cover 13 to which a gas-liquid separator 15 is fixed is attached in a watertight structure.
A plurality of buffer partition plates 16 are provided inside the gas-liquid separator 15, and the water surface W of the gas-liquid separator 15 is
This prevents the movement of the container 11 and reduces the influence on the inside of the container 11. Furthermore, the gas-liquid separator 15 is provided with an exhaust pipe 17 at the tip thereof for discharging the separated gas. Further, the lower part of the container 11 has an opening 11b, and a removable cover 14 is attached in a watertight structure. The cover 14 has an oxygen supply nozzle 20 for supplying oxygen necessary for the survival of the live fish 5 in the form of bubbles, an oxygen supply valve 19, and a water injection/drainage valve 2 for the water 4 in the container 11.
1 is attached. An oxygen cylinder 8 and a pressure regulating valve 9 are installed near the container 11, and the pressure regulating valve 9 and the oxygen supply valve 19 are connected by a hose or piping 18.

The container constructed as described above is mounted on a vehicle such as a truck and transported.

Next, the effect will be explained.

First, the cover 13 of the container 11 is removed, and the container is filled with water directly from the fill/drain valve 21 or the opening 11a to an appropriate water level depending on the amount of live fish 5. Next, after putting live fish 5 into the opening 11a, attach the cover 13,
Water is injected from the inlet/drain valve 21 until the specified water level W is reached. The specified water level W can be visually observed by providing a viewing window outside the gas-liquid separator 15 or by providing a known site level gauge (not shown).

Next, oxygen is supplied into the container 11 using an oxygen cylinder 8.
After the pressure of high-pressure oxygen is regulated by the pressure regulating valve 9, the oxygen supply nozzle 20 is opened by opening the oxygen supply valve 19.
The bubbles become fine bubbles 10, are blown into the water 4 in the container 11, and are dissolved. Undissolved air bubbles are collected in a gas-liquid separator 15 at the top of the container due to the difference in specific gravity between water and air bubbles, and are discharged to the atmosphere through an exhaust pipe 17.

Disturbance factors for the container 11 include not only simple three-dimensional motion caused by vibrations of vehicles during transportation, but also rotational motion. The water 4 inside the container tries to remain stationary according to the law of inertia, but since the container is spherical, there is no vortex generated at the corners like in a square container, and it is possible to keep the water in a full state. Therefore, since there is no water surface inside the container 11, and there is only a water surface in a small area of the gas-liquid separator 15, combined with the installation of the buffer partition plate 16, the influence of the fluctuation of the water surface can be almost ignored. .

Furthermore, another effect of making the container 11 spherical is that depending on the type of live fish, a pressurized state may be preferable as a survival environment, and in the embodiment shown in FIG. If a throttle mechanism such as a valve is installed, the escape route of oxygen supplied from the oxygen cylinder 8 will tend to be blocked, and the pressure inside the container 11 can be increased. It is widely known that a spherical shell is an advantageous shape of a pressurized container because it can be structurally lightweight.

Note that, if necessary, a part of the container 11 may be provided with a viewing window, or the entire container may be made of lightweight reinforced resin.

Also, the gas-liquid separator 15 is omitted and the cover 13 is directly installed.
It is also possible to have a structure in which an exhaust pipe 17 is provided in the exhaust pipe 17.
Further, instead of the oxygen cylinder 8, air may be blown by an air compressor or the like.

As detailed above, according to the present invention, a container for live fish includes a spherical container, an oxygen supply nozzle provided below the container, and a gas-liquid container provided above the container with a buffer partition plate. Since it is equipped with a separator and an exhaust pipe connected to the upper part of the gas-liquid separator, it has the great effect of eliminating the conventional problem of high injury and mortality rates for live fish during transportation. It is extremely useful industrially.

It should be noted that the present invention is not limited to the transportation device shown in the above embodiment, but can also be utilized as breeding equipment on land or the like.

[Brief explanation of drawings]

1 and 2 are front sectional views of different conventional containers for transporting live fish, and FIG. 3 is a front sectional view of a container for transporting live fish as an embodiment of the present invention. 1... Container, 2... Upper opening, 3... Rope, 4...
Water, 5... Live fish, 6... Space, 7... Container, 8... Oxygen cylinder, 9... Pressure regulating valve, 10... Air bubbles, 11... Container, 1
2... Support, 13... Cover, 14... Cover, 15...
Gas-liquid separator, 16...Buffer partition plate, 17...Exhaust pipe, 18...Hose, 19...Oxygen supply valve, 20...
Oxygen supply nozzle, 21...filling and draining valve.

Claims (1)

[Claims] 1 In a container for live fish, a spherical container, an oxygen supply nozzle provided below the container, a gas-liquid separator provided at the top of the container and having a buffer partition plate, and an upper part of the gas-liquid separator. A container for live fish characterized by comprising: an exhaust pipe connected to the container.