KR101556963B1 - Shellfish aquaculture system - Google Patents

Shellfish aquaculture system Download PDF

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Publication number
KR101556963B1
KR101556963B1 KR1020150053025A KR20150053025A KR101556963B1 KR 101556963 B1 KR101556963 B1 KR 101556963B1 KR 1020150053025 A KR1020150053025 A KR 1020150053025A KR 20150053025 A KR20150053025 A KR 20150053025A KR 101556963 B1 KR101556963 B1 KR 101556963B1
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South Korea
Prior art keywords
water tank
air
sediment
drive shaft
wall
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KR1020150053025A
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Korean (ko)
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박영환
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주식회사 그린플러스
박영환
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    • A01K61/005—
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K61/00—Culture of aquatic animals
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
    • Y02A40/81—Aquaculture, e.g. of fish

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  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Marine Sciences & Fisheries (AREA)
  • Zoology (AREA)
  • Animal Husbandry (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Farming Of Fish And Shellfish (AREA)

Abstract

The present invention relates to a crustacean culture system capable of economically and stably mass-producing crustaceans such as shrimp and the like, while maintaining a large installation area but also being very simple and easy to maintain.
The crustacean culture system according to the present invention comprises a water tank 10 having a single layer or two or more layers when the top surface is opened, a multi-layer network member 20 installed inside the water tank 10, An air supplier 40 installed to supply air to the seawater contained in the water tank, and a water supply unit 40 installed in the water tank 40 to supply air to the water contained in the water tank, And a sediment remover installed to remove sediment accumulated in the sediment removing unit.

Figure R1020150053025

Description

Shellfish aquaculture system {

The present invention relates to a crustacean culture system, and more particularly, to a crustacean culture system capable of performing economical and stable mass culture of crustaceans such as shrimp and the like, .

Conventionally, a tank having a single-layer structure or a concrete tank was installed on the floor of the room, and there was an aquaculture device (Patent Registration No. 10-0026548) such as shrimp, and the tank of the aquaculture device had a lot of heat loss, A large area is required in order to do so, so that a large installation cost and maintenance cost are increased, resulting in very uneconomical problems.

In addition, when sediments such as shells and excreta from the shelling process are accumulated on the floor, they are decayed and ammonia gas is generated. Therefore, since crustaceans are killed, it is necessary to remove the sediment from time to time so as not to accumulate on the floor. However, there are problems such as the fact that the productivity has been greatly decreased and the waste of the cost has been incurred due to the loss caused by the inability to be removed on time due to these points,

In addition, there has been a problem in that it is not suitable for large-scale production of crustaceans because the crustaceans are bombarded and burnt when they are gathered in a state in which the fragile body is exposed as it is.

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems and it is an object of the present invention to provide a crustacean crustacean which can be easily and safely maintained without occupying a large installation area, To provide a form system.

In order to achieve the above object, according to the present invention, there is provided an air conditioner comprising: a plate-like heat generating element provided on a four-sided wall; a partition wall having a front end and a rear end arranged in the middle of the inner side so as to be spaced apart from the front and rear walls of the four- A water tank having a receiving portion formed in a bottom between the front wall of the four-sided wall and the front end of the multi-layer mesh member so as to be horizontally transversely formed, a plurality of square plates of square shape, The upper portions of the upper portions exposed above the rim of the upper panel are connected to each other in such a manner that their left and right lengths are longer than the width of the rim, And an intermediate connecting member which is rotated by the first decelerating motor and the first decelerating motor, A first driving shaft installed at an inner upper side of the water tub so as to cross the middle of the water tub and a front and rear wire drums and pulleys provided at predetermined intervals on the first driving shaft to hang intermediate portions of front and rear connecting wires, An air supply pipe which is arranged to stagger the upper end of the four-sided wall and the upper inner side of the partition wall through the open upper surface of the water tank from the discharge port of the air pump and each upper end is connected to the air supply pipe at regular intervals An air supply unit having a plurality of air distribution pipes vertically downwardly disposed adjacent to left and right inner surfaces of the four-sided wall and the partition wall adjacent to the bottom of the water tank, and a venturi attached to a lower end of each of the air distribution pipes; 2 < / RTI > deceleration motor and the second decelerating motor, The upper surface of the second drive shaft is opened while the lower surface of the second drive shaft is interposed between the upper and lower surfaces of the sediment removing cylinder, And a sediment remover having left and right pull wires connected to the crusher.

The crustacean culture system according to the present invention can maintain the water quality of the seawater well for a long period of time without being occupied by a large installation area, It is possible to improve the productivity and increase the profit, as well as to reduce the huge installation and maintenance cost.

1 is a partial side view of a crustacean form system according to the present invention;
Figure 2 is a top view of the crustacean form system of Figure 1;
Figure 3 is a side view of an enlarged portion of a portion of the crustacean form system of Figure 1;
Figure 4 is a partial plan view of the crustacean form system of Figure 1,
Fig. 5 is a partially cut-away front view of the crustacean form system of Fig.
Figs. 6A and 6B are enlarged views of a part of Fig. 5,
7 is an enlarged front view of another example of a multi-layer network member applied to the crustacean forming system of FIG.
Figure 8 is a side view of another example of a driver applied to the crustacean form system of Figure 1;
9 is a rear view of the driver of Fig.

Hereinafter, the crustacean culture system according to the present invention will be described in detail with reference to the accompanying drawings.

2 is a plan view of the crustacean form system of FIG. 1, FIG. 3 is a side elevation view of a part of the crustacean form system of FIG. 1, and FIG. FIG. 4 is a plan view of a part of the crustacean form system of FIG. 1 taken from an enlarged view, FIG. 5 is a front view of the crustacean form system of FIG. 1 partially cut away, and FIGS. And is a front view showing the operation state.

1 to 6A and 6B, the crustacean culture system according to the present invention comprises a water tank 10, a multi-layered mesh member 20 installed inside the water tank, a driver 30 for rotating the multi- An air feeder 40 for supplying air to the seawater contained in the water tank, and a sediment remover 50 for removing sediment accumulated on the bottom of the water tank.

The water tank 10 is a rectangular box with an opened upper surface, and may be provided as a single layer, but it is provided with two to three or more layers rather than a single layer.

When the water tanks 10 are provided in a plurality of layers, the columns 13 are arranged at regular intervals so that the upper end of the four-sided wall 11 of the lower layer and the lower surface 12 of the upper layer are isolated at a predetermined interval, So that the lower-layer water tank can be maintained at a predetermined interval.

The surface heating element 14 is laid on the four side walls 11 of the water tank 10 so that the temperature of the seawater accommodated therein is maintained at 20 to 30 ° C suitable for the culture of crustaceans under the control of a general automatic thermostat.

The water tank 10 may further include a supply pipe 15 for supplying fresh seawater at an initial stage or as needed and a drain port 16 for discharging seawater when replacing some or all of the seawater or cleaning the inside of the water tank 10 .

The multi-layered member 20 is composed of a plurality of mesh plates 21 and connection wires 22, respectively.

The mesh plates (21) are formed by attaching the edges of the mesh net, which is densely woven with mesh, so that the fragile body of the crustaceans exposed by the molting is inserted into the square shaped rim, do.

The connecting wires 22 penetrate each of the left and right portions 221 vertically through the front end, the middle end, and the rear end of the plurality of net plates 21 so that the net plates are bound together in a multi- do.

Each of the upper portions 222 of the connecting wires 22 exposed above the rim of the net plate 21 located at the upper end is longer than the left and right width of the net plate.

When a middle portion of the upper portion 222 is hooked to the driver 30 as described later, the upper portion of the upper portion is extended to the right and left with the vertex as a vertex, The member 20 is installed on the driver in a stable state to provide food.

The multi-layer web member 20 is installed in a plurality of rows in the front and back and right and left depending on the size of the water tank 10. For example, when the water tank 10 is installed in four rows, The front and rear ends of the four side walls 11 are provided with the partition walls 17 so as to be spaced apart from the front and rear walls at the same intervals, respectively.

When the partition wall 17 is provided, the inside of the water tub 10 is divided into left and right side portions 10A through which the front and rear sides communicate with each other with the partition wall as a boundary, A passage through which seawater circulates in the water tank when air is injected is formed.

The drive machine 30 includes a first reduction motor 31, a first drive shaft 32 that is rotated by the first reduction motor, and a plurality of vertical shafts 32 that support the first reduction motor and the first drive shaft. (33) and front and rear wire drums (34, 34 ') and pulleys (35) laid on the first drive shaft at regular intervals.

The first decelerating motor 31 and the first driving shaft 32 are installed one by one in each of the left and right sets of the multi-layer network members 20 arranged in a line.

For this, a vertical bar 33 is provided between the front and rear sides of the multi-layered members 20 before and after each set and between the front and rear multi-layered members and the middle multi-layered member to form the first drive shaft 32, And the first reduction motor 31 is disposed at either the front end or the rear end position of the first drive shaft, and the first reduction motor 31 is disposed at the upper end of the vertical bands, do.

When the first driving shafts 32 are installed in this way, the front and rear wire drums 34 and 34 ', which are installed at predetermined intervals in the first driving shafts, are connected to the front ends of the rims 21 of the multi- And each of the pulleys 35 is located above the intermediate wire 22 connecting the middle left and right edges of the mesh plates.

The upper portions 222 of the front and rear wires 22 connecting the front and rear ends of the net plates 21 are engaged with the front and rear wire drums 34 and 34 ' (22) hangs on the pulley (35).

At this time, the front and rear wires 22 are wound on the front and rear wire drums 34 and 34 'two times so that when the first driving shaft 32 rotates as described later, The intermediate wire 22 hangs on the pulley 35 in a state in which the intermediate wire 22 is not wound around the pulley 35 since the intermediate wire 22 serves to support the middle of the multi-layered members 20.

When the middle portion of each of the wires 22 is hooked to the wire drums 34 and 34 'and the pulley 35 by hanging like this, each of the mesh plates 21 of the multi-layer member 20 becomes horizontal, When the first driving shaft 32 rotates by driving the first decelerating motor 31 in the counterclockwise direction, the right side portion of the upper portion 222 of the front and rear connecting wires 22, While the left side of each of the gratings rises and the left side of the grating descends to be inclined, so that the shells or excrements accumulated on the upper surface are immediately taken off the floor and removed from the upper surface.

Then, when the first driving shaft 32 is rotated clockwise by driving the first decelerating motor 31, the left portion of the front and rear connecting wires 22 is wound on the wire drums 34 and 34 ' The left side of each of the mesh plates 21 is raised and the right side is lowered to stop the first deceleration motor when it is in a horizontal state.

The operation of driving the first decelerating motor 31 to horizontally tilt or tilt the horizontal plates 21 in a horizontal state may be performed automatically using a general automatic control system.

On the other hand, the supporting bars 36 are installed at the positions where the lower surfaces of the mesh plates 21 located at the upper and lower ends of the mesh plates 21 of the vertical bars 33 are located, So as not to cause deformation such as the middle of the net plates being struck downward, and at the same time, to smoothly rotate.

Needless to say, the support rods 36 may be provided so as to support the lower surfaces of all the net plates 21.

The air supplier 40 includes an air pump 41 and an upper upper surface of the four-sided wall 11 and an upper inner side of the partition wall 17 zigzag from the discharge port of the air pump through the open top surface of the water tank 10 And an upper end connected to the air supply pipe at regular intervals, and each lower end is connected to a four-sided wall adjacent to the bottom of the water tank, and a plurality of air blown pipes vertically downwardly close to the inner surface of the partition wall. An engine (43), and a venturi (44) laid on the lower end of each of the air distribution pipes.

The air supply unit 40 discharges the cleaned outside air into the water through the venturi 44 installed adjacent to the inner bottom of the water tank 10 to supply oxygen to the stored seawater, To circulate at an appropriate flow rate.

The sediment remover 50 includes a second reduction motor 51, a second drive shaft 52 that is rotated by the second reduction motor, and a second drive shaft 52 that connects the sediment removal cylinder 53 and the sediment removal / And a pulling wire 54.

The second drive shaft 52 is installed between the front wall of the four side walls 11 of the water tub 10 and the front end of the multi-layer web member 20 at the top of the left and right side walls And the second decelerating motor 51 is installed on one of the left and right sides of the second drive shaft as a bracket at the upper end of one of the left and right side walls.

When the sediment removing tank 53 descends from the inside of the water tank 10, the sediment removing tank 53 is inserted into the accommodating portion 18 which is formed to be laterally recessed in the lateral direction in proportion to the size of the sediment removing tank. So that the top is collinear with the bottom.

The sediment eliminating cylinder 53 is formed by bundling a mesh having a size such that the mesh snow can escape only from the seawater contained in the frame, The seawater escapes and the sediment is lifted all over the surface.

In the case where the distance between the left and right side walls of the water tank 10 is wide and the multi-layered web member 20 is provided in four rows, the distance between the left and right side walls Is formed to be slightly shorter than the interval between the two halves, and is installed in a pair so as to be separated from the right and left sides, so that the rising load is greatly reduced and increased smoothly as compared with a case where the two halves are integrally formed.

The lower ends of the tow wires 54 are coupled to the upper left and right ends of the sediment removing tube 53, and the upper ends of the tow wires 54 are coupled to the second driving shaft 52.

When a predetermined amount of crustacean shell or deposit such as excretion is contained in the sediment removing tank 53 inserted in the receiving portion 18, the sediment remover 50 as described above causes the second deceleration dam 51 The second drive shaft 52 is rotated to rotate the pulling wire 54 so that the sediment removing cylinder rises above the water surface of the seawater contained in the water tank 10 to be able to easily remove sediment The second deceleration motor is stopped.

Thereafter, when the sediment contained in the sediment removing tank 53 is completely removed, the second deceleration shafts 51 are reversely driven to rotate the second drive shaft 52 in the reverse direction, The removal cylinder is lowered to be inserted into the accommodating portion 18 again and the second decelerating motor is stopped.

The sediment remover 50 is not necessarily installed only between the front wall of the four side walls 11 of the water tub 10 and the front end of the front multiwall member 20, But may be provided between the rear wall and the rear end of the multi-layer network member at the rear end, or both before and after the rear wall, and such a case is also within the scope of the present invention.

Fig. 7 is an enlarged front view of another example of a multi-layer network member applied to the crustacean aquaculture system of Fig. 1;

Another example of the multi-layer member 20 according to FIG. 7 is characterized in that the left and right widths of the respective mesh plates 21 are gradually widened from the upper layer to the lower layer, so that the multi-layer member is formed into a pyramid shape.

The reason why the multi-layered member 20 is formed in a pyramid shape is that it is easier to form the upper surface of each of the above-mentioned net plates compared with the case where the width of each of the mesh plates 21 in FIGS. 1 to 6A, It is to be able to supply food.

Of course, even when the multi-layered member 20 is formed in a pyramid shape, the left and right portions 221 of the front and rear connecting wires 22 are arranged in the front, middle, and rear ends of the plurality of net plates 21 And the upper portions 222 of the connecting wires exposed above the rim of the net plate positioned at the upper portion are connected to the left and right lengths of the connecting plates through the left and right widths of the net plates And the middle portion is attached to the driver 30 to be suspended and operated is the same as the multi-layer member 20 in Figs. 1 to 6 (a) and 6 (b).

In the case of crustacean culture system according to the present invention, fresh seawater is supplied to the upper part of the multi-stratum cores 20 through the supply pipe 15, 14) is operated so that the temperature of the seawater is maintained at 20 to 30 ° C suitable for culture, while feeding the food to the upper surface of each horizontal plate of the above-mentioned multi-layered members and feeding the offspring of the crustaceans and the excreted feces A microorganism which eats or decomposes and removes sediments and ammonia generated by peeled shells and the like is introduced.

Then, the air pump 51 of the air supplier 50 is operated continuously or periodically to pump the purified air.

When the air pump 51 is operated, the air pumped is connected to the supply pipe at a predetermined interval via the supply pipe 42, and each lower end is connected to the four-sided wall 11 and the bottom wall of the water tank 10, The air is blown to the seawater at a predetermined pressure through the venturi (44) attached to the lower ends of the air distribution pipes (43), which are vertically downwardly adjacent to the inner surface of the partition (17).

At the same time, the venturi 44 (see FIG. 1) provided on the right side of the water tank left side wall and the left side of the partition wall, corresponding to the left side portion 10A of the water tank 10, Are provided so that air is ejected toward the rear and the inside of the left side portion and are disposed to correspond to the left side of the water tank right side wall and the right side of the partition wall at positions corresponding to the right side portion 10B of the water tank with the partition as a boundary The venturi (44) is installed such that air is ejected toward the front and the inside of the right side portion. Venturi (44a) located behind the left side portion is installed so that air is ejected toward the rear side of the right side portion, The venturi 44b located at the front of the right side is installed such that the air is blown toward the front of the left side, When the air is blown out through each of the venturi, the seawater moves from the front of the left side portion to the rear side of the right side portion due to the direction of the ventilation and the air pressure, and moves backward from the rear portion of the right side portion to the forward side of the left side portion .

Accordingly, when the air pump 51 is operated, seawater circulates counterclockwise inside the water tank 10 with the partition wall 17 as a boundary, so that not only oxygen is supplied smoothly but also the input microorganisms The water quality is maintained for a long period of time because the precipitate is dispersed and mixed evenly and quickly decomposed and removed.

Of course, the circulation rate of the seawater is such that the crustacean does not interfere with feeding activity and growth, and the sediment which is deposited on the bottom of the water tank 10 during the circulation of the seawater is counter- So that the sediment can be removed from the sediment removing tank 53. [

Since the shells and feces are also accumulated on the upper surfaces of the respective mesh plates 21 of the multi-layered mesh members 20, they must be removed from the upper surfaces of the mesh plates in order to facilitate feeding and feeding activities.

When removing the shells or excretion accumulated on the upper surfaces of the mesh plates 21, first, the first reduction motor 31 of the driver 30 is reversely driven in a state where the mesh plates are horizontal, Clockwise to allow the right side portion of the upper portion 222 of the front and rear connecting wires 22, which are respectively hooked on the wire drums 34 and 34 ', to be wound on the wire drums while the left portion is loosened So that the crusts or excrements accumulated on the upper surface are immediately taken off the bottom of the water tank 10 to be removed from the upper surface, and then the first decelerating motor is driven forward By rotating the first drive shaft in a clockwise direction to cause the left portion of the front and rear connecting wires to wind on the wire drums while the right portion is loosened, When strong when the horizontal position allows to stop the said first geared motor.

In this way, the precipitate settled at the bottom of the water tank 10 from the mesh plate 21 is contained in the sediment removing tank 53 in the process of moving counterclockwise by the circulating seawater.

Then, when a predetermined amount of precipitate is contained in the sediment removing tank 53, the second deceleration model 51 of the sediment remover 50 is driven to be forward, and the second drive shaft 52 is rotated forward to rotate the pulling wire 54 So that the sediment removing canister is raised and exposed to the water surface of the seawater contained in the water tank 10 to stop the second decelerating motor when the sediment reaches a height at which sediment contained therein can be easily removed.

On the other hand, when the removal of the sediment contained in the sediment removing tank 53 is completed, the second deceleration shoe 51 is reversely driven to rotate the second drive shaft 52 in the reverse direction, The removing cylinder is lowered and inserted into the accommodating portion 18, and then the second decelerating motor is stopped.

The process of removing the sediment contained in the sediment removing tank 53 by operating the sediment removing device 50 may be performed periodically or selectively as required. In this case, The water quality of the seawater is maintained for a longer period of time because the sediment that accumulates is removed quickly and is not neglected.

Fig. 8 is a side view showing another example of a driver applied to the crustacean style system of Fig. 1, and Fig. 9 is a rear view of the driver of Fig.

Another example of the driving apparatus according to Figs. 8 to 9 is a system in which the first driving shaft 32 of the driving machine 30 is rotated in the forward and reverse directions by the first reduction motor 31 when the water tank 10 is installed as a single layer or a small- So that it can be rotated manually.

To this end, the rear end of the first drive shaft 32 is elongated and the rear end of the four-sided wall 11 is located outside the upper end of the rear wall, and a chain gear 37 is provided at the rear end, A chain 38 of a predetermined length is hung.

When removing the shells or feces accumulated on the upper surfaces of the horizontal plates 21 by using the chain gear 37 and the chain 38, if the left side of the chain 38 is gripped and pulled downward, The right portion in the middle of the upper portion 222 of the front and rear connecting wires 22 which is rotated by the first driving shaft 32 in the counterclockwise direction and hooked on the wire drums 34 and 34 ' While the left side is loosened, so that the right side of the gratings rises and the left side thereof is lowered, so that the gratings are inclined, so that the shells and excrements accumulated on the upper surface are immediately removed from the upper surface of the water tray 10 Then, if the right side of the chain is held and pulled downward, the first driving shaft is rotated clockwise by the chain gear, so that the left portion of the front and rear connecting wires is wound on the wire drums, The sides are loosened so that the left side of the mesh plates is raised and the right side is lowered to release the chain when it is horizontal.

When the first drive shaft 32 is rotated by the chain gear 37 and the chain 38, the first reduction motor 31 is not required to be installed. However, if necessary, the first reduction motor may also be provided In addition, when the first reduction motor is used, the driving shaft is rotated at a low speed to rotate the mesh plates 21 in a horizontal direction at a predetermined angle or in opposite directions.

Since the crustacean culture system according to the present invention is installed in a plurality of layers rather than a single layer, maintenance of the crustacean culture system is very simple and easy, and the quality of seawater is maintained for a long period of time By eliminating the cause of our company, we can stabilize the production of crustaceans in large quantities, improve the productivity, increase the profit, and reduce the huge installation and maintenance costs.

10: water tank 14: planar heating element
17: partition wall 18:
20: multilayer member 21:
22: connecting wire 30: actuator
31: first reduction motor 32: first drive shaft
34, 34 ': a drum drum 35: a pulley
36: support rod 37: chain gear
38: chain 40: air supply
41: air pump 42: air supply pipe
43: air tube 44: venturi
50: Sediment remover 51: Second deceleration motor
52: second drive shaft 53: sediment removing cylinder
54: pull wire

Claims (10)

delete A water tank 10 having an upper surface opened and an surface heat emission element 14 provided on the four-sided wall 11 and a receiving portion 18 formed to be recessed to the left and right on the floor;
A plurality of square plates 21 each having a rectangular shape and the left and right portions 221 are vertically passed through the front and rear ends of the front and rear edges of the front plates 21, Each of the upper portions 222 exposed above the rim of the net plate 21 which is connected to an isolated multilayer and has a longer side length than the left and right side width of the net plate 21, 22) for supplying food to the inside of the water tank (10);
And a first driving shaft 32 provided on the upper side of the water tub 10 in such a manner as to be rotated by the first decelerating motor 31 from above to above the multi- Front and rear wire drums 34 and 34 'which are installed at predetermined intervals on the first drive shaft 32 to hang the middle portion 222 of the front and rear intermediate connection wires 22 and the front and rear wire drums 34 and 34' A driver 30 installed to rotate the multilayer web member 20 so as to be inclined at a predetermined angle in a horizontal state;
An air supply pipe 42 which is staggered across the upper inside of the four-sided wall 11 from the discharge port of the air pump 41 through the opened upper surface of the water tank 10, The upper end is connected to the air supply pipe 42 at regular intervals and each lower end is connected to a bottom of the water tank 10 and a plurality of air branch pipes 43 vertically downwardly disposed close to left and right inner surfaces of the four- An air supply unit 40 installed to supply air to the seawater stored in the water tank 10, and a venturi 44 installed at a lower end of each of the air distribution pipes 43; And
A second reduction motor 51 and a second reduction motor 51. The second reduction motor 51 is rotated by the second reduction motor 51 so that the front wall of the four side walls 11 of the water tub 10 is connected to the front end of the multi- A second drive shaft 52 installed at the upper end of the left and right side walls so as to intersect between the upper and lower surfaces of the first and the second upper and lower walls, a sediment removing cylinder 53 inserted into the receiving portion 18 when the upper surface is opened and descended, And a sediment remover 50 connected to the drive shaft 52 and having lower ends connected to the left and right sides of the sediment removing basin 53 to remove deposits accumulated on the bottom of the water tub 10, ). ≪ / RTI > delete delete delete delete 3. The method of claim 2,
The drive machine 30 includes a chain gear 37 provided at the rear end of the first drive shaft 32 located at the upper rear side of the rear wall of the four-sided wall 11, Wherein the feeder further comprises a chain (38) of a predetermined length. delete 3. The method of claim 2,
The water tank (10) further comprises a partition wall (17) having a front end and a rear end arranged in the middle of the inside so as to be spaced apart from each other by the same interval as the front and rear walls of the four side walls (11);
The venturi 44 is provided so that the direction in which the air is blown is directed toward the rear of the left side portion 10A in the left side portion 10A of the water tank 10 with the partition wall 17 as a boundary, Is disposed facing the front of the right side portion 10B at the right side portion 10B of the water tub 10 and facing rearward of the right side portion 10B at the rear side of the left side portion 10A, ) Is disposed facing the front of the left side (10A). 3. The method of claim 2,
Wherein the sediment removing tank (53) is formed so that its left and right length is shorter than the interval obtained by dividing the interval between the left and right side walls of the water tank (10) by two.
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105557587A (en) * 2016-01-13 2016-05-11 中国海洋大学 Amphithoe japonica indoor artificial breeding method
CN105994069A (en) * 2016-06-22 2016-10-12 安庆市皖宜季牛水产养殖有限责任公司 Disease resisting and yield increasing culture method for freshwater shrimps in spring
KR20180136675A (en) 2017-06-15 2018-12-26 박헌민 Shrimp culture structure
KR102012430B1 (en) 2018-11-20 2019-08-20 방승원 Apparatus for managing water quality using microorganism growth and method thereof
KR102597245B1 (en) * 2023-07-24 2023-11-02 김은경 Intermediate breeding device for giant river prown

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