Live fish transport case capable of supplying oxygen without bubbling

Abstract

The utility model discloses a live fish transport case capable of supplying oxygen without bubbling. The live fish transport case comprises an oxygen storage bin, an oxygen dissolving bin, a water-gas separation bin and a live fish bin, the oxygen storage bin comprises a first bin wall, a liquid oxygen tank, an air inlet pipe, a water pipe, an air inlet, an air overflow port and a water pump; the oxygen dissolving bin comprises a second bin wall, at least two sets of water-gas exchange pipes, a first water inlet pipe and a first water outlet pipe; the water-gas separation bin comprises a third bin wall, a water-gas separation tank, a second water inlet pipe, a second water outlet pipe, a blow-off pipe, a liquid level meter, a pressure gauge and an exhaust pipe; the live fish bin comprises a fourth bin wall, a water outlet, a water inlet and an operation well; the oxygen supply method in the transport case is adjusted from a bubbling method to a high-dissolved-oxygen water method, high-normal-temperature and normal-pressure high-dissolved-oxygen water can be provided for the transport case, microbubbles cannot be formed in the transport case, the utilization efficiency of oxygen can be improved, the transport cost is greatly reduced, and the transport case is suitable for large-scale popularization and application. And the one-time live fish transportation distance and the survival rate are correspondingly increased.

Description

Technical Field

[0001] The utility model belongs to the technical field of aquaculture, and in particular relates to a live fish transport box with no bubbling and oxygen supply. Background Art

[0002] Long-distance transportation of live fish has always been a difficult problem in the field of aquaculture. A large number of live fish often die during transportation due to insufficient oxygen supply or improper methods. How to improve oxygen utilization efficiency and reduce live fish mortality rates are key technical problems that need to be solved in long-distance transportation of live fish.

[0003] At present, the long-distance transportation of live fish mainly adopts bubbling oxygen supply transport box, and its oxygen supply method is basically to inject the oxygen in the oxygen tank directly into the transport box through the catheter in a uniform or non-uniform bubbling manner to increase the dissolved oxygen content of the water. This traditional oxygen supply transport box has the following three problems: first, due to the extremely low solubility of oxygen, 90% of the oxygen injected into the transport box in the form of bubbles is released into the air in the form of bubbles, resulting in a large amount of oxygen waste and increased transportation costs for live fish; second, in the case of limited oxygen storage facilities, a large amount of oxygen waste leads to serious restrictions on transportation time and distance, and oxygen supplementation is required in a timely manner; third, bubbling oxygen supply is easy to produce microbubbles in the transport box, which affects the oxygen absorption of the fish gills, and will form a large amount of foam outside the transport box, threatening transportation safety. Utility Model Content

[0004] The utility model provides a live fish transport box with oxygen supply without bubbling, which can solve the problems existing in the prior art.

[0005] To solve the above problems, the technical solutions provided by the present invention are as follows:

[0006] The embodiment of the utility model provides a live fish transport box with non-bubbling oxygen supply, which comprises an oxygen storage chamber (1), a dissolved oxygen chamber (2), a water-gas separation chamber (3) and a live fish chamber (4);

[0007] The oxygen storage bin (1) comprises a first bin wall (1-1), a liquid oxygen tank (1-2), an air inlet pipe (1-3), a water pipe (1-4), an air inlet port (1-5), an air overflow port (1-6) and a water pump (1-7); the liquid oxygen tank (1-2) is a stainless steel pressure tank, the air inlet pipe (1-3) is a transparent PE pipe with a diameter of 10 mm, one end of the air inlet pipe (1-3) is connected to the exhaust port at the top of the liquid oxygen tank (1-2), and the other end is connected to the air inlet port (1-5); the water pipe (1-4) is an opaque PE pipe with a diameter of 30 mm, one end of the water pipe (1-4) is connected to the water outlet port (4-2) of the live fish bin (4), and the other end is connected to the water outlet port (4-2) of the live fish bin (4). The end is connected to the first water inlet pipe (2-3) of the dissolved oxygen tank (2); the air inlet (1-5) is a T-shaped three-way interface, the two straight-through interfaces of the air inlet (1-5) are connected to the water pipe (1-4), and the other interface of the air inlet (1-5) is connected to the air inlet pipe (1-3); the overflow port (1-6) is a T-shaped three-way interface, the two straight-through interfaces of the overflow port (1-6) are connected to the water pipe (1-4), and the other interface of the overflow port (1-6) is connected to the exhaust pipe (3-8) of the water-gas separation tank (3); the water pump (1-7) is a gas-liquid mixing pump, which is connected to the water pipe (1-4);

[0008] The dissolved oxygen tank (2) comprises a second tank wall (2-1), at least two sets of water-gas exchange pipes (2-2), a first water inlet pipe (2-3) and a first water outlet pipe (2-4); the first water inlet pipe (2-3) is an opaque PE pipe with a diameter of 30 mm, one end of the first water inlet pipe (2-3) is connected to the water pipe (1-4) or the first water outlet pipe (2-4) of the previous set of water-gas exchange pipes (2-2), and the other end is connected to the water-gas exchange pipe (2-2); the first water outlet pipe (2-4) is an opaque PE pipe with a diameter of 30 mm, one end of the first water outlet pipe (2-4) is connected to the water-gas exchange pipe (2-2), and the other end is connected to the first water inlet pipe (2-3) of the previous set of water-gas exchange pipes (2-2) or the second water inlet pipe (3-3) of the water-gas separation tank (3);

[0009] The water-gas separation chamber (3) comprises a third chamber wall (3-1), a water-gas separation tank (3-2), a second water inlet pipe (3-3), a second water outlet pipe (3-4), a sewage pipe (3-5), a liquid level meter (3-6), a pressure gauge (3-7) and an exhaust pipe (3-8); the second water inlet pipe (3-3) is an opaque PE pipe with a diameter of 30 mm, one end of the second water inlet pipe (3-3) is connected to a first water outlet pipe (2-4) of a water-gas exchange pipe of the dissolved oxygen chamber (2), and the other end is connected to the 2 / 3 height of the water-gas separation tank (3-2); the second water outlet pipe (3-4) is an opaque PE pipe with a diameter of 30 mm, one end of the second water outlet pipe (3-4) is connected to the water-gas separation tank (3-2) at a height of 10 cm from the bottom, and the other end is connected to the water inlet (4-3) of the live fish chamber (4); the sewage pipe (3 -5) is an opaque steel pipe with a diameter of 30 mm, one end of the sewage pipe (3-5) is connected to the bottom center of the water-gas separation tank (3-2), and the other end is provided with a drainage valve; the liquid level gauge (3-6) is a concave transparent PVC pipe with a diameter of 1 cm, the lower part of which is connected at 1 / 5 of the height of the water-gas separation tank (3-2), and the upper part of which is connected at 4 / 5 of the height of the water-gas separation tank (3-2); the pressure gauge (3-7) is installed on the spherical top of the water-gas separation tank (3-2); the exhaust pipe (3-8) is a transparent flexible PE pipe with a diameter of 1 cm, one end of the exhaust pipe (3-8) is connected to the spherical top of the water-gas separation tank (3-2), and the other end is connected to the overflow port (1-6) of the oxygen storage bin (1), and the exhaust pipe (3-8) is provided with an air regulating valve at the connection with the water-gas separation tank (3-2);

[0010] The live fish bin (4) comprises a fourth bin wall (4-1), a water outlet (4-2), a water inlet (4-3) and an operating well (4-4); the water outlet (4-2) is a water pipe with a diameter of 30 mm made of aluminum alloy, and is located at the upper left corner of the live fish bin (4) 1.0 m away from the bottom plate, one end of the water outlet (4-2) is connected to the operating well (4-4), and the other end is connected to the water pipe (1-4) of the oxygen storage bin (1); the water inlet (4-3) is a water pipe with a diameter of 30 mm made of aluminum alloy, and is located at the bottom of the lower right corner of the live fish bin (4), one end of the water inlet (4-3) is connected to the operating well (4-4), and the other end is connected to the second water outlet pipe (3-4) of the water-gas separation bin (3); the live fish bin (4) corresponds to two square holes with a side length of 1 m opened on the operating well (4-4), and a well cover is arranged on the square holes.

[0011] According to an optional embodiment of the utility model, the first warehouse wall (1-1) is a rectangular cavity made of aluminum alloy, and the length×width×height of the rectangular cavity is 0.8 meters×0.6 meters×1.2 meters.

[0012] According to an optional embodiment of the utility model, the second bin wall (2-1) is a rectangular cavity made of aluminum alloy, and the length×width×height of the rectangular cavity is 0.6 meters×0.3 meters×1.2 meters; the dissolved oxygen bin (2) includes 6 sets of water-gas exchange pipes (2-2), and each set of water-gas exchange pipes (2-2) is a spiral disc-shaped opaque PE pipe.

[0013] According to an optional embodiment of the utility model, the third warehouse wall (3-1) is a rectangular cavity made of aluminum alloy, and the length × width × height of the rectangular cavity is 0.6 meters × 0.6 meters × 1.2 meters; the water-gas separation tank (3-2) is a cylindrical cavity made of stainless steel with a diameter of 30 cm, a wall thickness of 1 mm, a height of 0.8 meters, and a hemispherical structure on the top.

[0014] According to an optional embodiment of the utility model, the fourth warehouse wall (4-1) is a rectangular cavity made of aluminum alloy, and the length×width×height of the rectangular cavity is 3.4 meters×2.0 meters×1.2 meters.

[0015] Beneficial effect: The embodiment of the utility model provides a live fish transport box with bubbling-free oxygen supply, including an oxygen storage bin, a dissolved oxygen bin, a water-gas separation bin and a live fish bin; the oxygen storage bin includes a first bin wall, a liquid oxygen tank, an air inlet pipe, a water pipe, an air inlet, an air overflow and a water pump; the dissolved oxygen bin includes a second bin wall, at least 2 sets of water-gas exchange pipes, a first water inlet pipe and a first water outlet pipe; the water-gas separation bin includes a third bin wall, a water-gas separation tank, a second water inlet pipe, a second water outlet pipe, a sewage pipe, a liquid level gauge, a pressure gauge and an exhaust pipe; the live fish bin includes a fourth bin wall, a water outlet, a water inlet and an operation well; the utility model adjusts the oxygen supply method in the transport box from a bubbling method to a high-dissolved oxygen water method, and can provide high-normal temperature and normal pressure high-dissolved oxygen water into the transport box, which will not cause microbubbles to be formed in the transport box, and can improve the utilization efficiency of oxygen, greatly reduce the transportation cost, and correspondingly increase the one-time live fish transportation distance and survival rate. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments or the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 A top view of a live fish transport box with non-bubbling oxygen supply provided in an embodiment of the present application.

[0018] Figure 2 A front view of an oxygen storage bin, a dissolved oxygen bin, and a water-gas separation bin of a live fish transport box with bubbling-free oxygen supply provided in an embodiment of the present application.

[0019] Figure 3 A schematic diagram of the oxygen storage compartment structure of a live fish transport box with non-bubbling oxygen supply provided in an embodiment of the present application.

[0020] Figure 4 A side plan view of a dissolved oxygen chamber of a live fish transport box with non-bubbling oxygen supply provided in an embodiment of the present application.

[0021] Figure 5 A schematic front plan view of a dissolved oxygen chamber of a live fish transport box with non-bubbling oxygen supply provided in an embodiment of the present application.

[0022] Figure 6 A schematic diagram of the structure of a water-gas separation chamber of a live fish transport box with bubbling-free oxygen supply provided in an embodiment of the present application.

[0023] Figure 7 A schematic diagram of the live fish compartment structure of a live fish transport box with bubbling-free oxygen supply provided in an embodiment of the present application. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present application.

[0025] like Figure 1 to Figure 7 As shown, an embodiment of the utility model provides a live fish transport box with bubbling-free oxygen supply, including an oxygen storage chamber 1, a dissolved oxygen chamber 2, a water-gas separation chamber 3 and a live fish chamber 4.

[0026] like Figure 1 , Figure 2 and Figure 3 As shown, the oxygen storage tank 1 includes a first tank wall 1-1, a liquid oxygen tank 1-2, an air inlet pipe 1-3, a water pipe 1-4, an air inlet 1-5, an air overflow 1-6 and a water pump 1-7. The first tank wall 1-1 is a rectangular cavity made of aluminum alloy, and the length × width × height of the rectangular cavity is 0.8 meters × 0.6 meters × 1.2 meters; the liquid oxygen tank 1-2, the air inlet pipe 1-3, the water pipe 1-4, the air inlet 1-5, the air overflow 1-6 and the water pump 1-7 are located inside the first tank wall 1-1.

[0027] Liquid oxygen tank 1-2 is a stainless steel pressure tank. The air inlet pipe 1-3 is a transparent PE pipe with a diameter of 10 mm, one end of which is connected to the exhaust port at the top of the liquid oxygen tank 1-2, and the other end is connected to the air inlet 1-5; the water pipe 1-4 is an opaque PE pipe with a diameter of 30 mm, one end of which is connected to the water outlet 4-2 of the live fish warehouse 4, and the other end is connected to the first water inlet pipe 2-3 of the dissolved oxygen warehouse 2; the air inlet 1-5 is a T-shaped three-way interface, two straight-through interfaces of the air inlet 1-5 are connected to the water pipe 1-4, and the other interface of the air inlet 1-5 is connected to the air inlet pipe 1-3; the overflow port 1-6 is a T-shaped three-way interface, two straight-through interfaces of the overflow port 1-6 are connected to the water pipe 1-4, and the other interface of the overflow port 1-6 is connected to the exhaust pipe 3-8 of the water-gas separation warehouse 3; the water pump 1-7 is a gas-liquid mixing pump, which is connected to the water pipe 1-4.

[0028] like Figure 4 and Figure 5 As shown, the dissolved oxygen tank 2 includes a second tank wall 2-1, at least two sets of water-gas exchange tubes 2-2, a first water inlet pipe 2-3 and a first water outlet pipe 2-4; the second tank wall 2-1 is a rectangular cavity made of aluminum alloy, and the length × width × height of the rectangular cavity is 0.6 meters × 0.3 meters × 1.2 meters; the dissolved oxygen tank 2 includes 6 sets of water-gas exchange tubes 2-2, each set of water-gas exchange tubes 2-2 is a spiral disc-shaped opaque PE tube, and the diameter of the opaque PE tube is 30 mm. The 6 sets of water-gas exchange tubes 2-2 are arranged in the form of three on the upper layer and three on the lower layer, and are marked as upper left, lower left, upper middle, lower middle, upper right, and lower right in sequence. The connection order of the 6 sets of water-gas exchange tubes is lower left, upper left, upper middle, lower middle, lower right, and upper right, refer to Figure 5 .

[0029] The first water inlet pipe 2-3 is an opaque PE tube with a diameter of 30 mm. One end of the first water inlet pipe 2-3 is connected to the water pipe 1-4 or the first water outlet pipe 2-4 of the previous set of water-gas exchange pipes 2-2, and the other end is connected to the water-gas exchange pipe 2-2; the first water outlet pipe 2-4 is an opaque PE tube with a diameter of 30 mm. One end of the first water outlet pipe 2-4 is connected to the water-gas exchange pipe 2-2, and the other end is connected to the first water inlet pipe 2-3 of the previous set of water-gas exchange pipes 2-2 or the second water inlet pipe 3-3 of the water-gas separation chamber 3.

[0030] like Figure 6As shown, the water-gas separation chamber 3 includes a third chamber wall 3-1, a water-gas separation tank 3-2, a second water inlet pipe 3-3, a second water outlet pipe 3-4, a sewage pipe 3-5, a liquid level gauge 3-6, a pressure gauge 3-7 and an exhaust pipe 3-8. The third chamber wall 3-1 is a rectangular parallelepiped cavity made of aluminum alloy, and the length×width×height of the rectangular parallelepiped cavity is 0.6 meters×0.6 meters×1.2 meters, and one side of the top is open. The water-gas separation tank 3-2, the second water inlet pipe 3-3, the second water outlet pipe 3-4, the sewage pipe 3-5, the liquid level gauge 3-6, the pressure gauge 3-7 and the exhaust pipe 3-8 are located in the third chamber wall 3-1.

[0031] The water-gas separation tank 3-2 is a cylindrical cavity with a diameter of 30 cm made of stainless steel, with a wall thickness of 1 mm and a height of 0.8 m, and its top is a hemispherical structure. The second water inlet pipe 3-3 is an opaque PE pipe with a diameter of 30 mm, and one end of the second water inlet pipe 3-3 is connected to the first water outlet pipe 2-4 of a water gas exchange pipe of the dissolved oxygen bin 2, and the other end is connected at the 2 / 3 height of the water-gas separation tank 3-2. The second water outlet pipe 3-4 is an opaque PE pipe with a diameter of 30 mm, and one end of the second water outlet pipe 3-4 is connected to the water-gas separation tank 3-2 at a height of 10 cm from the bottom, and the other end is connected to the water inlet 4-3 of the live fish bin 4. The sewage pipe 3-5 is an opaque steel pipe with a diameter of 30 mm, and one end of the sewage pipe 3-5 is connected to the bottom center of the water-gas separation tank 3-2, and the other end is provided with a drain valve. The liquid level gauge 3-6 is a concave transparent PVC tube with a diameter of 1 cm, the lower part of which is connected to the 1 / 5 height of the water-gas separation tank 3-2, and the upper part of which is connected to the 4 / 5 height of the water-gas separation tank 3-2. The pressure gauge 3-7 is a common pressure gauge on the market, with a maximum pressure range of 0.8 MPa, installed on the spherical top of the water-gas separation tank 3-2. The exhaust pipe 3-8 is a transparent flexible PE tube with a diameter of 1 cm. One end of the exhaust pipe 3-8 is connected to the spherical top of the water-gas separation tank 3-2, and the other end is connected to the overflow port 1-6 of the oxygen storage bin 1. The exhaust pipe 3-8 is provided with an air regulating valve at the connection with the water-gas separation tank 3-2.

[0032] like Figure 7As shown, the live fish tank 4 includes a fourth tank wall 4-1, a water outlet 4-2, a water inlet 4-3 and an operation well 4-4. The fourth tank wall 4-1 is a rectangular cavity made of aluminum alloy, and the length × width × height of the rectangular cavity is 3.4 meters × 2.0 meters × 1.2 meters. The water outlet 4-2, the water inlet 4-3 and the operation well 4-4 are located in the fourth tank wall 4-1. The operation well 4-4 is used to store aquaculture circulating water and live fish. The water outlet 4-2 is a 30 mm diameter water pipe made of aluminum alloy, located at the upper left corner of the live fish tank 4, 1.0 meters away from the bottom plate. One end of the water outlet 4-2 is connected to the operation well 4-4, and the other end is connected to the water pipe 1-4 of the oxygen storage tank 1. The water inlet 4-3 is a 30 mm diameter water pipe made of aluminum alloy, located at the bottom right corner of the live fish bin 4, one end of the water inlet 4-3 is connected to the operation well 4-4, and the other end is connected to the second water outlet pipe 3-4 of the water-gas separation bin 3. The live fish bin 4 corresponds to the operation well 4-4 with two square holes with a side length of 1 m, and the square holes are covered with manhole covers.

[0033] The present utility model also provides a method for using a live fish transport box without bubbling oxygen supply, and the method comprises the following specific operating steps:

[0034] Step S1, hoisting the live fish transport box without bubbling oxygen supply into the corresponding transport vehicle and fixing it.

[0035] Step S2, open the operating well 4-4, and use a shallow water pump to pump live fish breeding source water to the live fish tank 4 until the water depth reaches 0.9 meters.

[0036] Step S3, the liquid oxygen tank 1-2 filled with liquid oxygen is placed in the oxygen storage bin 1 and fixed, and the air inlet pipe 1-3 is connected.

[0037] Step S4, turn on water pump 1-7 to circulate the entire water circuit.

[0038] Step S5, open the air release valve of the liquid oxygen tank 1-2 to inject oxygen into the water pipe 1-4.

[0039] Step S6, adjusting the air regulating valve of the exhaust pipe 3-8 so that the liquid level of the water-gas separation chamber 3 is within the range of 0.5-0.6 meters.

[0040] Step S7, putting live fish into the live fish bin 4, and controlling the density of live fish at 200-300 kg / m3.

[0041] Step S8, using a dissolved oxygen meter to detect the dissolved oxygen concentration in the live fish bin 4, and at the same time adjusting the air release valve of the liquid oxygen tank 1-2 and the air regulating valve of the exhaust pipe 3-8 to maintain the dissolved oxygen concentration in the live fish bin 4 in the range of 10-15 mg / L.

[0042] Step S9, close the operating well 4-4 and transport the live fish to the required location.

[0043] The above are only specific implementation methods of the present utility model, but the protection scope of the present utility model is not limited to this. Any modifications, equivalent substitutions and improvements made by any technician familiar with the technical field within the technical scope disclosed by the present utility model within the spirit and principles of the present utility model should be covered within the protection scope of the present utility model; ordinary technicians in this field can make various changes and modifications without departing from the spirit and scope of the present utility model. Therefore, the protection scope of the present utility model shall be based on the scope defined by the claims.

Claims

1. A live fish transport box with no bubbling oxygen supply, characterized in that: It comprises an oxygen storage chamber (1), a dissolved oxygen chamber (2), a water-gas separation chamber (3) and a live fish chamber (4); The oxygen storage bin (1) comprises a first bin wall (1-1), a liquid oxygen tank (1-2), an air inlet pipe (1-3), a water pipe (1-4), an air inlet port (1-5), an air overflow port (1-6) and a water pump (1-7); the liquid oxygen tank (1-2) is a stainless steel pressure tank, the air inlet pipe (1-3) is a transparent PE pipe with a diameter of 10 mm, one end of the air inlet pipe (1-3) is connected to the exhaust port at the top of the liquid oxygen tank (1-2), and the other end is connected to the air inlet port (1-5); the water pipe (1-4) is an opaque PE pipe with a diameter of 30 mm, one end of the water pipe (1-4) is connected to the water outlet port (4-2) of the live fish bin (4), and the other end is connected to the water outlet port (4-2) of the live fish bin (4). The end is connected to the first water inlet pipe (2-3) of the dissolved oxygen tank (2); the air inlet (1-5) is a T-shaped three-way interface, the two straight-through interfaces of the air inlet (1-5) are connected to the water pipe (1-4), and the other interface of the air inlet (1-5) is connected to the air inlet pipe (1-3); the overflow port (1-6) is a T-shaped three-way interface, the two straight-through interfaces of the overflow port (1-6) are connected to the water pipe (1-4), and the other interface of the overflow port (1-6) is connected to the exhaust pipe (3-8) of the water-gas separation tank (3); the water pump (1-7) is a gas-liquid mixing pump, which is connected to the water pipe (1-4); The dissolved oxygen tank (2) comprises a second tank wall (2-1), at least two sets of water-gas exchange pipes (2-2), a first water inlet pipe (2-3) and a first water outlet pipe (2-4); the first water inlet pipe (2-3) is an opaque PE pipe with a diameter of 30 mm, one end of the first water inlet pipe (2-3) is connected to the water pipe (1-4) or the first water outlet pipe (2-4) of the previous set of water-gas exchange pipes (2-2), and the other end is connected to the water-gas exchange pipe (2-2); the first water outlet pipe (2-4) is an opaque PE pipe with a diameter of 30 mm, one end of the first water outlet pipe (2-4) is connected to the water-gas exchange pipe (2-2), and the other end is connected to the first water inlet pipe (2-3) of the previous set of water-gas exchange pipes (2-2) or the second water inlet pipe (3-3) of the water-gas separation tank (3); The water-gas separation chamber (3) comprises a third chamber wall (3-1), a water-gas separation tank (3-2), a second water inlet pipe (3-3), a second water outlet pipe (3-4), a sewage pipe (3-5), a liquid level meter (3-6), a pressure gauge (3-7) and an exhaust pipe (3-8); the second water inlet pipe (3-3) is an opaque PE pipe with a diameter of 30 mm, one end of the second water inlet pipe (3-3) is connected to a first water outlet pipe (2-4) of a water-gas exchange pipe of the dissolved oxygen chamber (2), and the other end is connected to the 2 / 3 height of the water-gas separation tank (3-2); the second water outlet pipe (3-4) is an opaque PE pipe with a diameter of 30 mm, one end of the second water outlet pipe (3-4) is connected to the water-gas separation tank (3-2) at a height of 10 cm from the bottom, and the other end is connected to the water inlet (4-3) of the live fish chamber (4); the sewage pipe (3 -5) is an opaque steel pipe with a diameter of 30 mm, one end of the sewage pipe (3-5) is connected to the bottom center of the water-gas separation tank (3-2), and the other end is provided with a drainage valve; the liquid level gauge (3-6) is a concave transparent PVC pipe with a diameter of 1 cm, the lower part of which is connected at 1 / 5 of the height of the water-gas separation tank (3-2), and the upper part of which is connected at 4 / 5 of the height of the water-gas separation tank (3-2); the pressure gauge (3-7) is installed on the spherical top of the water-gas separation tank (3-2); the exhaust pipe (3-8) is a transparent flexible PE pipe with a diameter of 1 cm, one end of the exhaust pipe (3-8) is connected to the spherical top of the water-gas separation tank (3-2), and the other end is connected to the overflow port (1-6) of the oxygen storage bin (1), and the exhaust pipe (3-8) is provided with an air regulating valve at the connection with the water-gas separation tank (3-2); The live fish bin (4) comprises a fourth bin wall (4-1), a water outlet (4-2), a water inlet (4-3) and an operating well (4-4); the water outlet (4-2) is a water pipe with a diameter of 30 mm made of aluminum alloy, and is located at the upper left corner of the live fish bin (4) 1.0 m away from the bottom plate, one end of the water outlet (4-2) is connected to the operating well (4-4), and the other end is connected to the water pipe (1-4) of the oxygen storage bin (1); the water inlet (4-3) is a water pipe with a diameter of 30 mm made of aluminum alloy, and is located at the bottom of the lower right corner of the live fish bin (4), one end of the water inlet (4-3) is connected to the operating well (4-4), and the other end is connected to the second water outlet pipe (3-4) of the water-gas separation bin (3); the live fish bin (4) corresponds to two square holes with a side length of 1 m opened on the operating well (4-4), and a well cover is arranged on the square holes.

2. A live fish transport box with non-bubbling oxygen supply according to claim 1, characterized in that: The first warehouse wall (1-1) is a rectangular cavity made of aluminum alloy, and the length×width×height of the rectangular cavity is 0.8 meters×0.6 meters×1.2 meters.

3. A live fish transport box with non-bubbling oxygen supply according to claim 1, characterized in that: The second bin wall (2-1) is a rectangular cavity made of aluminum alloy, and the length×width×height of the rectangular cavity is 0.6 meters×0.3 meters×1.2 meters; the dissolved oxygen bin (2) includes 6 sets of water-gas exchange pipes (2-2), and each set of water-gas exchange pipes (2-2) is a spiral disc-shaped opaque PE pipe.

4. A live fish transport box with non-bubbling oxygen supply according to claim 1, characterized in that: The third warehouse wall (3-1) is a rectangular cavity made of aluminum alloy, and the length × width × height of the rectangular cavity is 0.6 meters × 0.6 meters × 1.2 meters; the water-gas separation tank (3-2) is a cylindrical cavity made of stainless steel with a diameter of 30 cm, a wall thickness of 1 mm, a height of 0.8 meters, and a hemispherical structure on the top.

5. A live fish transport box with non-bubbling oxygen supply according to claim 1, characterized in that: The fourth warehouse wall (4-1) is a rectangular cavity made of aluminum alloy, and the length×width×height of the rectangular cavity is 3.4 meters×2.0 meters×1.2 meters.

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