JPH04106964U - Fish and shellfish farming equipment - Google Patents

Abstract

(57) [Summary] [Purpose] The present invention relates to a fish and shellfish aquaculture device that uses eddy currents to move floating matter and sediments, such as feces and feeding residue from fish and shellfish, to a drainage outlet. The purpose of the present invention is to provide a fish and shellfish aquaculture device that can automatically discharge and remove. [Structure] A partition plate 2 is provided in the longitudinal direction of the center of an oval-shaped aquarium 1, and water supply pipes 3 are provided at the bottom and top of the aquarium 1, respectively.Furthermore, at both ends of the partition plate 2, water flows. This is a fish and shellfish aquaculture device in which a guide plate 4 curved in the direction side is provided with drain ports 5 opening to drain pipes 6 at the bottom of the aquarium 1 near the curve of the guide plate 4.

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

This invention mainly supplies seawater continuously, circulates it, and at the same time drains it from fish and shellfish. Floating matter and sediment, such as excrement and feeding residue, are transferred to the drain using a whirlpool. A fish that can automatically discharge and remove floating matter and sediment by moving it. This invention relates to a shellfish cultivation device.

0002

[Conventional technology]

In the past, various devices have been developed for cultivating marine fish and shellfish such as flounder and abalone. However, the relatively mainstream method is to place a partition plate in the longitudinal center of the tank. This is an aquaculture device that circulates seawater by providing a gap at both ends of the An example of this is disclosed in Japanese Patent Publication No. 12249/1983.

0003 The fish and shellfish aquaculture device disclosed in the publication is a long-form system that circulates seawater. It is an elliptical aquarium, and the seawater supply pipe with many spout holes is placed horizontally at the bottom of the tank. There is a feces and mud suction groove that opens into the water conduit pipe at the bottom at a position close to the back. It is characterized by being drilled in parallel.

0004

[Problem that the idea aims to solve]

In the above-mentioned conventional aquaculture equipment, fresh seawater is always pumped in, so fish and shellfish It has the characteristics of being able to increase the amount of animals reared and grow extremely quickly. Fish and shellfish excrement and feeding residue that settle at the bottom of the tank are easily discharged into the suction groove. However, some are settled at the bottom near the middle between the suction grooves, and some are floating in the seawater or on the surface. It is difficult for garbage to be discharged, and the drainage efficiency is also poor due to the groove-like structure. There is a problem that the inside of the tank must be cleaned regularly because of the ing.

[0005] This invention solves the problems of the conventional technology as described above, and its purpose is to Floating matter and sediment inside the drain are automatically moved to the drain by a vortex and removed. We have developed a fish and shellfish aquaculture device that makes it possible to significantly reduce the number of times the tank needs to be cleaned. It is about providing.

[0006]

[Means to solve the problem]

The structure of the present invention to solve the above problem is that the structure of the present invention is to A partition plate provided at the bottom and/or top of the tank, with a gap left between the parts, A water supply pipe that spouts water in the direction of water flow, and a drain provided at the bottom of the water tank. It is equipped with a drain port that opens into a water pipe, and has a water flow direction at both ends of the partition plate. A guide plate curved on the opposite side is provided, and the drain port is located within the curve of the guide plate or in the curve. It is characterized by being placed near the music.

[0007] Further, as described in claims 2 to 5, the water supply pipe is provided with a large number of spout holes. The guide plate and drain should be provided at appropriate positions on the partition plate, and the drain should be connected to water. It should be installed at the top of the tank in addition to the bottom, and there should be a riser pipe at the end of the drain pipe for adjusting the water level. It is characterized by being rotatably provided. The present invention is suitable for use as a cultivation device for marine fish and shellfish, mainly using seawater. However, it is also used as a freshwater fish and shellfish aquaculture device. It goes without saying that it can be done.

[0008]

[Effect]

The operation of the present invention will be explained based on FIGS. 1 to 4. A large number of jets are placed horizontally at the center bottom and top of the tank 1, with the partition plate 2 as the border. When seawater is spouted from the water supply pipe 3 having the outlet hole 3a, as shown in FIG. Water circulates in a fixed direction within the aquarium 1. On the other hand, seawater swirled around both ends of tank 1. Due to the curved guide plate 4, a part of the flow does not go straight, but becomes a vortex and flows toward the curved inner surface of the guide plate 4. The water flows in the opposite direction, and then turns around near the drain port 5 and flows into the drain port 5. opposite side The same phenomenon occurs near the guide plate 4. The seawater that has gone straight flows out again from the water supply pipe 3. Flow is propelled by force.

[0009] Following the flow of seawater as described above, it settles at the bottom of the tank 1 near the partition plate 2 and in the water. Or, the floating fish and shellfish excrement, leftover food, etc. will automatically be removed by gradually bending the guide plate 4. It moves towards the inner side and is finally sucked into the drain port 5 and discharged.

0010 Also, as shown in Figure 3, insert the pipe into the drain port 5 provided at the bottom of the water tank 2. When the drain port is moved to the top, the water level is adjusted and the water surface that has moved due to the above action is removed. Fish and shellfish feces, feeding residue, etc. floating in the drain are also discharged to the drain port 5'. this Due to this action, sediment and floating matter in the aquarium are automatically discharged to the drain.

[0011]

【Example】

Hereinafter, embodiments of the present invention will be described in detail based on FIGS. 1 to 4. The present invention is not limited to these examples.

0012 In the figure, reference numeral 1 denotes an oval aquarium, and 2 denotes a central longitudinal direction of the aquarium 1 at both ends. It is a partition plate installed with a gap left, and on both ends there is a partition plate that is curved in the direction of water flow. A guide board 4 is provided. The partition plate 2 allows seawater to circulate in the tank 1 in a fixed direction. It is designed to allow circulation.

[0013] Reference numeral 3 indicates seawater placed horizontally in the center of the aquarium, facing each other with the partition plate 2 as the border. It is a supply pipe. One of the supply pipes 3 is provided with a gap at the bottom of the water tank 2 from the bottom of the water tank 1. The other side is placed horizontally on the upper part of the aquarium 2. Both water supply pipes 3 are both water It may be installed at the bottom of tank 1, but if installed separately at the top and bottom, the sea inside tank 1 This is preferable because the flow of water between the upper and lower layers becomes relatively uniform. Each of the water supply pipes 3 A large number of ejection holes 3a are provided and are oriented in opposite directions. the water supply The pipe 3 may be rotatably installed so that the seawater jetting angle can be changed. In addition, the sea The water supply method is to always supply fresh seawater or to use seawater discharged from the aquarium. After purification, there is a method of recirculating and supplying the water.

[0014] Reference numeral 4 indicates arc-shaped guide plates provided at both ends of the partition plate 2. of the guide plate 4 The concave surface is provided facing the direction in which water flows. Near the curve of guide plate 4 A drain port 5 opening into the drain pipe 6 is provided. The drain 5 is located in the bay of the guide plate 4. Similar effects can be obtained even if it is provided within a song.

[0015] In the embodiment shown in FIG. 1, the drain port 5 is provided only at the bottom of the water tank 1; 3, insert the pipe 8 into the drain port 5 and drain it to the top of the water tank 1. A water spout 5' may also be provided. In addition, when the length of the aquarium 1 in the longitudinal direction becomes large, As shown in FIG. 4, a guide plate 4 and a drain port 5 are further provided at appropriate positions on the partition plate 2. Good too. In addition, the gap between the guide plate 2 provided at both ends of the partition plate 2 and the water tank 1 is increased. In this case, as shown in FIG. 4, guide vanes 10 are further provided on the outside of the guide plate 2. This increases the effect of generating the vortex.

[0016] The guide plate 4 and drain port 5 or 5' provided as described above prevent sedimentation in the aquarium. objects and floating objects in the water or on the water surface are concentrated near the drain 5 or 5', or , the flow velocity at the drain port 5 or 5' is faster than in the prior art. The efficiency of discharging sediment and suspended matter has been further improved.

[0017] Reference numeral 7 denotes a riser pipe installed at the end of the drain pipe 6, It is mounted so that it can rotate freely. Rotate the riser pipe 7 in a direction parallel to the water tank 1. By tilting the slope, sediments such as fish and shellfish excrement and feeding residue are collected together with seawater. It is convenient because it can be used not only for discharging water but also for adjusting the water level of the water tank 1. still , if the riser pipe 7 is not used as a regular seawater discharge pipe, a separately installed -bar flow discharge pipe 9 can be used as a discharge pipe.

[0018] The operation of this embodiment is as follows. Seawater is spouted from the spout hole 3a of the water supply pipe 3, causing circulation in a fixed direction. The seawater is swirled by the guide plate 4 provided on the partition plate 2 and the end wall of the water tank 1. Flow direction is changed. Some of the seawater that has changed its flow direction does not go straight, but instead moves according to the guide plate 4. Due to the vortex, the flow flows backward in the direction of the curve of the guide plate, and furthermore, it swirls around the drain port 5. Turn it around and it flows out into the drain 5 (see the arrow in Figure 2).

[0019] Following this flow of seawater, fish and shellfish floating on the bottom of tank 1 and in the water are Feces and leftover food are automatically and gradually concentrated and moved into the curve of the guide plate 4. , and is finally sucked into the drain port 5. In addition, as shown in FIG. If a drain port 5' is provided at the top of the drain port 5', floating matter on the water surface will be removed from the drain port 5' by the same effect as described above. being sucked into.

[0020]

[Effect of the idea]

As explained above, when using the fish and shellfish aquaculture device of the present invention, there is no sedimentation in the tank. Floating fish and shellfish excrement and feeding residue are automatically concentrated and discharged to the drain. This, combined with the flow rate at the drain outlet, constantly removes these pollutants from the drain pipe. Efficiently drain or operate the drain pipe regularly to remove these contaminants efficiently. Since it can be drained, the number of times the tank is cleaned is significantly reduced compared to conventional ones. be able to.

[Brief explanation of drawings]

FIG. 1 is a partially cutaway perspective view showing an embodiment of the aquaculture device of the present invention.

FIG. 2 is a plan view showing the flow of water in the aquaculture device of the present invention.

FIG. 3 is a partially cutaway perspective view of a second embodiment of the aquaculture device of the present invention.

FIG. 4 is a plan view of main parts showing a third embodiment of the aquaculture device of the present invention.

[Explanation of symbols]

1... Water tank, 2... Partition plate, 3... Water supply pipe, 3a... Spout hole,
4... Guide plate, 5, 5'... Drain port, 6... Drain pipe, 7... Rising pipe, 8... Pipe, 9... Drain pipe, 10... Guide vane

Claims (5)

[Scope of utility model registration request] Claim 1: A partition plate provided in the central longitudinal direction of an elliptical aquarium with gaps left at both ends, and a partition plate provided at the bottom and/or top of the aquarium, from which water is spouted in the direction of water flow. It is equipped with a supply pipe and a drain port that opens into a drain pipe provided at the bottom of the water tank, and guide plates curved in the water flow direction are provided at both ends of the partition plate, and
A fish and shellfish cultivation apparatus characterized in that the drainage port is provided within or near a curve of the guide plate. 2. The fish and shellfish aquaculture apparatus according to claim 1, wherein the water supply pipe has a large number of blowholes. 3. A guide plate according to claim 1, further comprising a guide plate curved in the water flow direction at an appropriate position of the partition plate, and a drain port provided within or near the curve of the guide plate. The fish and shellfish aquaculture device according to item 1. 4. The fish and shellfish culturing apparatus according to claim 1, further comprising a drain port opening into the drain pipe and provided in an upper part of the aquarium. 5. The fish and shellfish cultivation apparatus according to claim 1, wherein a riser pipe is provided at the end of the drain pipe so as to be rotatable around the drain pipe.