Oxygen dissolving system for high-density aquaculture

Abstract

The utility model belongs to the technical field of high-density aquaculture, and discloses an oxygen dissolving system for high-density aquaculture, which comprises a support frame, two oxygen dissolving tanks and two water pumps are arranged on the support frame, water supply pipes communicated with the upper ends of the corresponding oxygen dissolving tanks are arranged at the water outlet ends of the water pumps, and water supply control valves are arranged on the water supply pipes. Sieve plates, fillers and oxygen inlet pipes are arranged in inner cavities of the oxygen dissolving tanks, an electromagnetic valve is arranged on the oxygen inlet pipe of each oxygen dissolving tank to control the oxygen inlet amount, the oxygen inlet pipes of the two oxygen dissolving tanks are jointly connected with a main air pipe, the air inlet end of the main air pipe is connected with an oxygen tank, and the lower portions of the oxygen dissolving tanks are connected with drainage pipes. A drainage valve is arranged on the drainage pipe. The oxygen dissolving system for aquaculture can improve the content of dissolved oxygen in water, is high in oxygen dissolving efficiency and low in energy consumption, and further reduces cost.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the high density aquaculture technical field, concretely relates to a high density aquaculture dissolving oxygen system. BACKGROUND

[0002] The high density aquaculture industry is the human use available for aquaculture (including planting) water area, according to the ecological habit of the breeding object and the requirement to the water area environmental condition, using the aquaculture technology and facility, is engaged in aquatic economic movement, plant cultivation.

[0003] In order to maximize the benefit of high density aquaculture, the breeding practitioner often feeds a large number of aquatic products in a small area of water, and harvests after the aquatic products are bred to a certain size. However, during the breeding process, the water area needs to be oxygenated to meet the respiration of aquatic products and avoid the death of aquatic products due to insufficient dissolved oxygen in water.

[0004] However, the existing oxygen dissolving equipment mostly rolls water into air to increase the contact area of air and water for oxygen dissolving. This method has a small amount of dissolved oxygen and low efficiency. Usually, a small-scale breeding pond needs to be installed with multiple oxygen dissolving equipment, which is complicated to install, occupies a large area and has high cost.

[0005] Therefore, there is an urgent need for a high-efficiency, low-cost and easy-to-use aquaculture oxygen dissolving system. UTILITY MODEL CONTENT

[0006] In view of the above problems in the prior art, the utility model provides a high density aquaculture dissolving oxygen system, which aims to solve the problem of low oxygen dissolving efficiency of the existing oxygen dissolving equipment.

[0007] To achieve the above purpose, the utility model is set as follows:

[0008] A high density aquaculture dissolving oxygen system, comprising a support frame, two oxygen dissolving tanks arranged side by side are arranged on the support frame, two water pumps arranged side by side are arranged on one side of the oxygen dissolving tank on the support frame, the water outlet end of the water pump is provided with a water supply pipe in communication with the upper end of the corresponding oxygen dissolving tank, a water supply control valve is arranged on the water supply pipe, an aeration coil is arranged at the bottom of the inner cavity of the oxygen dissolving tank, a branch air pipe is connected to the air inlet end of the aeration coil, a gas flow controller is arranged on the branch air pipe, and the two branch air pipes are connected to a main air pipe at the end away from the aeration coil, an electric connection pressure gauge is arranged at the air inlet end of the main air pipe, an oxygen tank with a valve is connected to the electric connection pressure gauge, a drain pipe is connected to the lower part of the oxygen dissolving tank, a drain control valve is arranged on the drain pipe, and an electric control cabinet is matched with the aquaculture dissolving oxygen system, a controller is arranged in the electric control cabinet, and the controller is electrically connected with the water pump, the electric connection pressure gauge and the gas flow controller.

[0009] Further, two said water pumps are provided with a standby water pump, the water outlet end of the standby water pump is provided with a three-way pipe communicated with two water supply pipes, a three-way control valve is arranged on the three-way pipe, and the standby water pump is electrically connected with the controller.

[0010] Such a structure design, in use, even if one of the water pumps fails, the standby water pump can work, so that the dissolved oxygen work is stably carried out.

[0011] Further, two said water pumps are provided with a standby water pump, the water outlet end of the standby water pump is provided with a three-way pipe communicated with two water supply pipes, a three-way control valve is arranged on the three-way pipe, and the standby water pump is electrically connected with the controller.

[0012] Such a structure design, in use, even if one of the water pumps fails, the standby water pump can work, so that the dissolved oxygen work is stably carried out.

[0013] Further, the outside of the dissolved oxygen tank is provided with a transparent liquid level column, the upper and lower ends of the liquid level column are communicated with the dissolved oxygen tank through connecting elbows, a liquid level sensor is arranged on the liquid level column, and the liquid level sensor is electrically connected with the controller.

[0014] Such a structure design can quickly and accurately understand the liquid level condition of the dissolved oxygen tank.

[0015] Further, the outside of the upper portion of the dissolved oxygen tank is provided with a pressure sensor communicated with the inner cavity of the dissolved oxygen tank and an oxygen pressure gauge for on-site display, and the pressure sensor is electrically connected with the electric control cabinet and the gas flow controller.

[0016] Such a structure design can measure the pressure in the dissolved oxygen tank through the electric connection pressure gauge or pressure sensor, and when the pressure in the dissolved oxygen tank exceeds the warning limit, the speed of the water pump can be controlled through the control box.

[0017] Beneficial effects:

[0018] 1. The water product high-density breeding dissolved oxygen system has a dissolved oxygen tank, a water pump, a water supply pipe, an aeration coil pipe, a branch air pipe, a gas flow controller, a main air pipe, an electric connection pressure gauge, a drain pipe, a net plate and a filler ball, the dissolved oxygen tank is used for gas up and water down, and the gas and the water are fully contacted through the net plate and the filler ball with gaps, so that the content of dissolved oxygen in the water is improved, the dissolved oxygen efficiency is higher, the energy consumption is lower, and the cost is further reduced compared with the existing dissolved oxygen device.

[0019] 2. The water product high-density breeding dissolved oxygen system further has a supporting frame, a controller, a liquid level sensor, a gas mass flow controller and various control valves, the dissolved oxygen system is integrated, the stability is stronger, and the use is more convenient. BRIEF DESCRIPTION OF DRAWINGS

[0020] Fig. 1 It is a top view of the water product high-density breeding dissolved oxygen system.

[0021] Fig. 2 is a front view of the high-density aquaculture dissolved oxygen system;

[0022] Fig. 3 is a front view of the dissolved oxygen tank;

[0023] The reference signs in the drawings are as follows: support frame 1, dissolved oxygen tank 2, water pump 3, water supply pipe 4, aeration coil 5, gas supply pipe 6, gas flow controller 7, main gas pipe 8, electric connection pressure gauge 9, drain pipe 10, electric control cabinet 11, standby water pump 12, tee pipe 13, mesh plate 14, filler ball 15, liquid level column 16, pressure sensor 17, oxygen pressure gauge 18. DETAILED DESCRIPTION

[0024] The advantages and effects of the present application can be understood by the skilled in the art from the disclosure of the present application. It should be noted that the drawings provided in the following embodiments are only used for illustrative description, and the drawings are only schematic drawings, not real drawings, and should not be understood as a limitation of the present application. In order to better illustrate the embodiments of the present application, some components in the drawings are omitted, enlarged or reduced, and do not represent the actual size of the product. It is understandable for those skilled in the art that some well-known structures and their descriptions in the drawings can be omitted.

[0025] The same or similar reference signs in the drawings of the embodiments of the present application correspond to the same or similar components. In the description of the present application, it should be understood that the orientation or position relationship indicated by the terms "upper", "lower", "left", "right", "front", "back" and the like is based on the orientation or position relationship shown in the drawings, and is only used for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, therefore the terms used to describe the position relationship in the drawings are only used for illustrative description, and should not be understood as a limitation of the present application. For those skilled in the art, the specific meanings of the above terms can be understood according to the specific circumstances.

[0026] As Figs. 1-3The utility model discloses a kind of high-density aquaculture oxygen dissolving systems, including support frame 1, two oxygen dissolving tanks 2 of parallel arrangement are fixedly connected in the left end of support frame 1, two water pumps 3 of parallel arrangement are fixedly connected in the right end of support frame 1, one water pump 3 corresponds one oxygen dissolving tank 2, the water outlet end of water pump 3 is all connected with the water supply pipe 4 that is communicated with the upper end of corresponding oxygen dissolving tank 2, water supply control valve is all installed on water supply pipe 4.

[0027] As a kind of preferred of the embodiment, one spare water pump 12 is arranged between two water pumps 3, and the spare water pump 12 is fixedly connected with the oxygen dissolving tank 2, the water outlet end of the spare water pump 12 is provided with three-way pipe 13 communicated with two water supply pipes 4, and three-way control valve is installed on three-way pipe 13.

[0028] As a kind of preferred of the embodiment, two mesh plates 14 are fixedly connected in the upper portion of the inner cavity of oxygen dissolving tank 2, and a plurality of filler balls 15 with gaps are placed between the two mesh plates 14.

[0029] As a kind of preferred of the embodiment, transparent liquid level column 16 is arranged on the outer side of oxygen dissolving tank 2, the upper end and the lower end of liquid level column 16 are communicated with oxygen dissolving tank 2 through connecting elbow, and liquid level sensor is installed on liquid level column 16.

[0030] As a kind of preferred of the embodiment, pressure sensor 17 and oxygen pressure gauge 18, which are communicated with the inner cavity of oxygen dissolving tank 2, are arranged on the outer side of the upper portion of oxygen dissolving tank 2.

[0031] The high-density aquaculture oxygen dissolving system of the embodiment is also matched with electric control cabinet 11, and the controller is installed in electric control cabinet 11, and the controller is electrically connected with water pump 3, gas flow controller 7, electric connection pressure gauge 9, spare water pump 12, pressure sensor 17, oxygen pressure gauge 18 and liquid level sensor.

[0032] In the embodiment, water pump 3, spare water pump 12, oxygen dissolving tank 2 and electric control cabinet 11 are fixed on support frame 1 by bolts.

[0033] The use process of the aquaculture oxygen dissolving system of the utility model is as follows:

[0034] The water pumping pipe is installed at the end of the water pump 3 and the standby water pump 12, the backflow pipe is connected at the water outlet end of the water drainage pipe 10 of the oxygen dissolving tank 2, and then the water pump 3 and 7 are started through the controller, under the action of the water pump 3, the water in the aquaculture water area enters the oxygen dissolving tank 2 through the water pumping pipe, the water pump 3 and the water supply pipe 4. The oxygen in the oxygen tank enters the oxygen dissolving tank 2 through the main gas pipe 8, the branch gas pipe 6 and the aeration coil 5. In the oxygen dissolving tank 2, the gas is from bottom to top, the water body is from top to bottom, and the net plate 14 and the filler ball 15 are arranged in the oxygen dissolving tank 2, so that the gas and the water can be fully contacted, and the content of the dissolved oxygen in the water is improved. The control valve on the water drainage pipe 10, the water body saturated with the dissolved oxygen in the oxygen dissolving tank 2 flows into the aquaculture water area again through the water drainage pipe 10 and the backflow pipe.

[0035] The above examples are only used to illustrate the technical scheme of the utility model and not limit it, although the utility model is described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical scheme of the utility model can be modified or replaced equivalently without departing from the purpose and scope of the technical scheme of the utility model, and all should be covered in the claim range of the utility model. The technical, shape and structure parts not described in detail in the utility model are all known technologies.

Claims

1. A dissolved oxygenation system for high-density aquaculture, characterized in that: The utility model provides an oxygen dissolving system for high density aquaculture, which comprises a support frame (1) provided with two oxygen dissolving tanks (2) arranged side by side, two water pumps (3) arranged side by side on one side of the oxygen dissolving tanks (2) on the support frame (1), a water supply pipe (4) connected to the upper end of each oxygen dissolving tank (2) at the water outlet end of each water pump (3), a water supply control valve arranged on the water supply pipe (4), an aeration coil (5) arranged at the bottom of the inner cavity of each oxygen dissolving tank (2), a branch air pipe (6) connected to the air inlet end of the aeration coil (5), a gas flow controller (7) arranged on the branch air pipe (6), and a main air pipe (8) connected to the ends of the two branch air pipes (6) away from the aeration coil (5) and extending out of the oxygen dissolving tank (2), wherein an electric connection pressure gauge (9) is arranged at the air inlet end of the main air pipe (8), an oxygen tank with a valve is connected to the electric connection pressure gauge (9), a drain pipe (10) is connected to the lower part of each oxygen dissolving tank (2), and a drain control valve is arranged on the drain pipe (10). The oxygen dissolving system for high density aquaculture is also provided with an electric control cabinet (11), and a controller is arranged in the electric control cabinet (11), wherein the controller is electrically connected to the water pumps (3), the electric connection pressure gauges (9), and the gas flow controllers (7).

2. The oxygen dissolving system for high-density aquaculture according to claim 1, wherein: A standby water pump (12) is arranged between the two water pumps (3), a three-way pipe (13) is arranged at the water outlet end of the standby water pump (12) and connected to the two water supply pipes (4), a three-way control valve is arranged on the three-way pipe (13), and the standby water pump (12) is electrically connected to the controller.

3. The oxygen dissolving system for high-density aquaculture according to claim 1, wherein: Two mesh plates (14) are arranged at the upper part of the inner cavity of each oxygen dissolving tank (2), and a plurality of filler balls (15) with gaps are arranged between the two mesh plates (14).

4. The oxygen dissolving system for high-density aquaculture according to claim 1, wherein: A transparent liquid level column (16) is arranged on the outer side of each oxygen dissolving tank (2), the upper end and the lower end of the liquid level column (16) are connected to the oxygen dissolving tank (2) through connecting elbows, a liquid level sensor is arranged on the liquid level column (16), and the liquid level sensor is electrically connected to the controller.

5. The oxygen dissolving system for high-density aquaculture according to claim 1, wherein: A pressure sensor (17) and an on-site display oxygen pressure gauge (18) are arranged on the outer side of the upper part of each oxygen dissolving tank (2) and connected to the inner cavity of the oxygen dissolving tank (2), and the pressure sensor (17) is electrically connected to the electric control cabinet (11) and the gas flow controller (7).

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