CN113508771B

CN113508771B - Deep sea aquaculture net cage ballast tilt adjusting system

Info

Publication number: CN113508771B
Application number: CN202110388806.2A
Authority: CN
Inventors: 刘凤松; 檀志强; 赵兴民; 张骞锋; 王禄凯; 盛积良; 常昊
Original assignee: Cccc Ocean Construction Development Co ltd
Current assignee: Cccc Ocean Construction Development Co ltd
Priority date: 2021-04-12
Filing date: 2021-04-12
Publication date: 2022-08-12
Anticipated expiration: 2041-04-12
Also published as: CN113508771A

Abstract

The utility model provides a deep and distant sea aquaculture net case ballast transfer system includes the ballast tank, the ballast pipeline, the pump compartment pipeline, control system, the ballast tank includes a plurality of end ballast compartments, the roof pressure carries the cabin, the ballast pipeline includes the bottom pressure and carries the pipeline, the roof pressure carries the pipeline, pump compartment pipeline is provided with many sets with the pump compartment is supporting, the bottom pressure carries the pipeline including the bottom pressure of a plurality of end ballast compartments of intercommunication and carries house steward, seabed case filling valve, the bottom pressure carries suction inlet valve, the bottom pressure carries the suction inlet, the pump compartment pipeline includes first pump compartment pipeline, first pump compartment pipeline includes first pipeline, ballast tank inlet valve, from inhaling ballast pump, ballast pump outlet valve, ballast pump to bottom pressure carries the main valve, the ballast pump accesss to the bottom pressure through the pipeline to the bottom pressure carries the main valve ballast house steward: the ballast inclination adjusting system is connected with each ballast tank through a pipeline and a valve, the ballast pumps are connected with each bottom ballast tank through a bottom ballast pipeline, and when part of the ballast pumps fail, the rest ballast pumps can continuously realize the pressure discharge and load adjustment work of all the tanks to perform ballast inclination adjusting operation.

Description

Deep and open sea aquaculture net cage ballast inclination adjusting system

Technical Field

The invention relates to an additional device of a deep open sea aquaculture net cage, in particular to a ballast tilt adjusting system of the deep open sea aquaculture net cage.

Background

At present, a pipe frame type deep and far sea aquaculture net cage ballast system mainly comprises a traditional ballast pump and pipelines leading to each ballast tank, ballast is discharged one by one to each ballast tank independently, ballast needs to be discharged one by one to each tank, and a standby ballast pump with lower use efficiency is used for realizing ballast discharge after the ballast pump is damaged, so that safety is lower in allowance, and working efficiency is influenced.

Disclosure of Invention

Based on this, it is necessary to provide a deep open sea aquaculture net cage ballast tilt adjusting system with improved efficiency.

A deep open sea aquaculture net cage ballast tilt adjusting system, comprising: ballast tanks arranged on the net cage or formed in the net cage frame structure, ballast pipelines arranged in the ballast tanks, pump chambers arranged on the net cage or formed in the net cage frame structure, pump tank pipelines arranged in the pump chambers and connected with the ballast pipelines, and a control system for controlling the ballast pipelines or the pump tank pipelines, wherein the ballast tanks comprise: a plurality of bottom ballast tanks of setting in box with a net lower part, a plurality of top ballast tanks of setting box with a net upper portion, the ballast pipeline includes: the bottom ballast tank comprises a bottom ballast tank pipeline, a top ballast tank pipeline, a pump tank pipeline, a top ballast tank and a pump tank, wherein the bottom ballast tank pipeline and the top ballast tank pipeline are arranged in the bottom ballast tank, the top ballast tank pipeline and the pump tank are respectively connected, the bottom ballast tank, the top ballast tank and the pump tank are watertight tanks, the pump tank is provided with a plurality of pump tanks, the pump tank pipeline and the pump tank are matched to be provided with a plurality of sets, and the bottom ballast tank pipeline comprises: the bottom ballast of intercommunication a plurality of bottom ballast tanks is carried the house steward, is inserted the seabed case filling valve of seabed case, is inserted through the pipeline the bottom ballast house steward's bottom pressure carries the suction port valve, with the bottom pressure that bottom pressure carried the suction port valve and passes through the pipe connection carries the suction port, the pump room pipeline includes: a first pump chamber pipeline and a second pump chamber pipeline; the first pump compartment line includes: the first pipeline is communicated with the injection valve of the seabed tank, and the ballast tank inlet valve, the self-priming ballast pump, the ballast pump outlet valve and the ballast pump-to-bottom ballast main valve are arranged according to the first pipeline; ballast pump leads to bottom ballast main through the pipeline to bottom ballast main, roof pressure year pipeline includes: the top ballast tank comprises a top ballast tank, a top ballast main pipe, a top ballast injection and suction valve and a top ballast suction port, wherein the top ballast main pipe is arranged in the top ballast tank and communicated with a plurality of top ballast tanks, the top ballast injection and suction valve is connected with the top ballast main pipe through a pipeline, the top ballast suction port is connected with the top ballast injection and suction valve through a pipeline, and the pump tank pipeline further comprises: third pump compartment pipeline, fourth pump compartment pipeline, third pump compartment pipeline includes: a third pipeline connected to the first pump tank pipeline and leading to the ballast tank inlet valve, and a top pressure load arranged on the third pipeline and connected to the top ballast main pipe to the ballast pump inlet valve; the control system controls to open a seabed tank injection valve, a ballast tank inlet valve, a top pressure load to ballast pump inlet valve and a top pressure load injection and suction valve, seawater enters a top pressure load main pipe through the seabed tank, the seabed tank injection valve, the ballast tank inlet valve and the top pressure load to ballast pump inlet valve, and then enters each top ballast tank through the top ballast injection and suction valve and the top pressure load suction port to carry out top ballast tank ballast; the fourth pump compartment line includes: the fourth pipeline is connected with the first pump tank pipeline and leads to the outlet valve of the ballast pump or the check valve of the outlet of the ballast pump, and the ballast pump which is arranged on the fourth pipeline and leads to the top ballast main pipe through the fourth pipeline is connected to the top ballast main valve; if accurate ballast is carried out, the control system controls to open a seabed tank injection valve, a ballast tank inlet valve, a self-priming ballast pump, a ballast pump outlet valve, a ballast pump to top pressure load main valve and a top pressure load injection and suction valve, seawater enters the inlet of the self-priming ballast pump through the seabed tank, the seabed tank injection valve and the ballast tank inlet valve, enters the top pressure load main pipe from the self-priming ballast pump outlet through the ballast pump outlet valve, a ballast pump outlet check valve and the ballast pump to the top pressure load main valve, then enters each top pressure load tank through the top ballast injection and suction valve and the top pressure load suction port, and the top ballast tank is accurately ballasted;

when the top ballast tank is used for discharging loads, the control system controls to open a top pressure load injection and suction valve, a top pressure load to ballast pump inlet valve, a self-priming ballast pump, a ballast pump outlet valve and a ballast pump outboard valve, seawater enters the top pressure load main pipe from the top pressure load suction port through the top pressure load injection and suction valve, enters the self-priming ballast pump inlet through the top ballast to the ballast pump inlet valve, and then is discharged outboard through the self-priming ballast pump outlet valve, the ballast pump outlet check valve, an outboard check valve and a ballast pump outboard valve;

a top pressure loading liquid level sensor for detecting the liquid level of each top pressure loading cabin is arranged in each top pressure loading cabin; when the top ballast tank carries out ballasting, if the liquid level of a single top ballast tank is detected to be overhigh or the inclination of the net cage is detected, the top ballast injection and suction valve in the top ballast tank with relatively large ballast capacity is controlled to be closed, the ballast water quantity of the top ballast tank is controlled to carry out net cage leveling, after the leveling, the top ballast injection and suction valve is opened to continue ballasting with other top ballast tanks;

when the top ballast tank carries out load discharge, if the liquid level of a single top ballast tank is detected to be overhigh or the inclination of the net cage is detected, the top load injection and suction valve in the top ballast tank with relatively large load discharge amount is controlled to be closed, the ballast water amount of the top ballast tank is controlled to carry out the leveling of the net cage, after the leveling is carried out, the top load injection and suction valve is opened, and the load discharge with other top ballast tanks is continued;

leveling in the ballasting process of each ballast tank, wherein each ballast tank is provided with a liquid level sensor, four symmetrical corners of the net cage are provided with draft sensors, when the liquid level of a single ballast tank is too high or the draft sensors detect that the net cage inclines, the top pressure load injection and suction valves of the ballast tank with larger ballast amount are automatically closed, the ballast amount is controlled to realize the leveling of the net cage, and after the leveling, the valves are continuously opened to carry out ballast with other tanks.

In a preferred embodiment, the bottom ballast line further comprises: a main pipe ballast injection valve having one end connected to the subsea tank injection valve through a pipeline and the other end connected to the bottom ballast main pipe through a pipeline; the control system controls to open the seabed tank injection valve, the main pipe ballast injection valve and the bottom ballast suction port valve, seawater enters the bottom ballast main pipe through the seabed tank, the seabed tank injection valve and the main pipe ballast injection valve, and then enters each bottom ballast tank through the bottom ballast suction port valve and the bottom ballast suction port for ballasting.

In a preferred embodiment, the control system controls the opening of subsea tank fill valves, ballast tank inlet valves, self-priming ballast pumps, ballast pump outlet valves, ballast pump to bottom ballast main valves, bottom ballast suction port valves; seawater enters the inlet of a self-priming ballast pump through a seabed tank, a seabed tank injection valve and a ballast tank inlet valve, enters a bottom ballast main pipe from a self-priming ballast pump outlet through a ballast pump outlet valve and a ballast pump to a bottom ballast main valve, and then enters each bottom ballast tank through a bottom ballast suction port valve and a bottom ballast suction port for accurate ballast.

In a preferred embodiment, the first pump compartment line further comprises: a ballast pump outlet check valve disposed in correspondence with said ballast pump outlet valve and disposed between said ballast pump outlet valve and a ballast pump to bottom ballast main valve, said pump tank line further comprising: a second pump compartment line, the second pump compartment line comprising: a second conduit connected into the first pump tank line and leading to the ballast pump outlet check valve, a ballast pump discharge outboard valve disposed on the second conduit, an outboard check valve disposed between the ballast pump discharge outboard valve and the ballast pump outlet check valve; the control system controls to open the bottom ballast suction port valve, the main pipe ballast injection valve, the ballast tank inlet valve, the self-priming ballast pump, the ballast pump outlet valve and the ballast pump outboard valve, seawater enters the bottom ballast main pipe through the bottom ballast suction port valve and the bottom ballast suction port valve, enters the inlet of the self-priming ballast pump through the main pipe ballast injection valve and the ballast tank inlet valve, and then is discharged outboard through the ballast pump outlet valve, the ballast pump outlet check valve, the outboard check valve and the ballast pump outboard valve through the outlet of the self-priming ballast pump.

In a preferred embodiment, further comprising: the system comprises a liquid level sensor arranged in each bottom ballast tank for detecting the liquid level of the bottom ballast tank, and a plurality of draft sensors symmetrically arranged at the corners of the bottom of the net cage for detecting draft of the net cage; if the liquid level of a single bottom ballast tank is detected to be too high or the inclination of the net cage is detected in the ballasting process of the bottom ballast tank, closing a bottom ballast suction port valve in the bottom ballast tank with relatively large ballast capacity, controlling the net cage to be leveled, and opening the closed ballast suction port valve after leveling to carry out ballasting simultaneously with other bottom ballast tanks.

In a preferred embodiment, the top pressure loading pipeline comprises: the top ballast tank comprises a top ballast tank, a top ballast main pipe, a top ballast injection and suction valve and a top ballast suction port, wherein the top ballast main pipe is arranged in the top ballast tank and communicated with a plurality of top ballast tanks, the top ballast injection and suction valve is connected with the top ballast main pipe through a pipeline, the top ballast suction port is connected with the top ballast injection and suction valve through a pipeline, and the pump tank pipeline further comprises: third pump compartment pipeline, fourth pump compartment pipeline, third pump compartment pipeline includes: a third pipeline connected to the first pump tank pipeline and leading to the ballast tank inlet valve, and a top pressure load arranged on the third pipeline and connected to the top ballast main pipe to the ballast pump inlet valve; the control system controls to open a seabed tank injection valve, a ballast tank inlet valve, a top pressure load to ballast pump inlet valve and a top pressure load injection and suction valve, seawater enters a top pressure load main pipe through the seabed tank, the seabed tank injection valve, the ballast tank inlet valve and the top pressure load to ballast pump inlet valve, and then enters each top ballast tank through the top ballast injection and suction valve and the top pressure load suction port to carry out top ballast tank ballast; the fourth pump compartment line includes: the fourth pipeline is connected with the first pump tank pipeline and leads to the outlet valve of the ballast pump or the check valve of the outlet of the ballast pump, and the ballast pump which is arranged on the fourth pipeline and leads to the top ballast main pipe through the fourth pipeline is connected to the top ballast main valve; if accurate ballast is carried out, the control system controls and opens a seabed tank injection valve, a ballast tank inlet valve, a self-priming ballast pump, a ballast pump outlet valve, a ballast pump to top pressure load main valve and a top pressure load injection and suction valve, seawater enters the inlet of the self-priming ballast pump through the seabed tank, the seabed tank injection valve and the ballast tank inlet valve, enters the top pressure load main pipe from the self-priming ballast pump outlet through the ballast pump outlet valve, a ballast pump outlet check valve and the ballast pump to the top pressure load main valve, and then enters each top pressure load tank through the top pressure ballast injection and suction valve and the top pressure load suction port, so that the top ballast tank is accurately ballasted.

In a preferred embodiment, when the top pressure load compartment is unloaded, the control system controls to open a top pressure load injection and suction valve, a top pressure load to ballast pump inlet valve, a self-priming ballast pump, a ballast pump outlet valve and a ballast pump outboard valve, seawater enters the top pressure load main pipe from the top pressure load suction port through the top pressure load injection and suction valve, enters the self-priming ballast pump inlet valve through the top ballast to the ballast pump inlet valve, and then is discharged outboard from the self-priming ballast pump outlet through the ballast pump outlet valve, the ballast pump outlet check valve, the outboard check valve and the ballast pump outboard valve;

In a preferred embodiment, if the water in the top ballast tank is discharged to the bottom ballast tank, the top ballast injection and suction valve, the top ballast to ballast pump inlet valve, the ballast tank inlet valve, the main pipe ballast injection valve and the bottom ballast suction port valve are controlled to be opened, the water in the top ballast tank is sucked through the top ballast suction port, enters the top ballast main pipe through the top ballast injection and suction valve, enters the bottom ballast main pipe through the top ballast to ballast pump inlet valve, the ballast tank inlet valve and the main pipe ballast injection valve, and is discharged to the bottom ballast tank through the bottom ballast suction port valve and the bottom ballast suction port;

if the water in the top ballast tank is accurately regulated to the bottom ballast tank, the top pressure load injection and suction valve, the top pressure load to ballast pump inlet valve, the self-priming ballast pump, the ballast pump outlet valve, the ballast pump to bottom pressure load main valve and the bottom pressure load suction port valve are controlled to be opened, the water in the top ballast tank is sucked through the top pressure load suction port, enters the top pressure load main pipe through the top pressure load injection and suction valve, enters the self-priming ballast pump inlet valve through the top pressure load to the ballast pump inlet valve, enters the bottom pressure load main pipe through the self-priming ballast pump outlet valve, the ballast pump outlet check valve and the ballast pump to bottom pressure load main valve, and is discharged to the bottom pressure load tank through the bottom pressure load suction port valve and the bottom pressure load suction port.

In a preferred embodiment, a pump chamber liquid level sensor for detecting whether a pump chamber pipeline leaks water is arranged in the pump chamber, and the pump chamber pipeline further includes: a fifth pump compartment line, the fifth pump compartment line comprising: the pump cabin bottom suction valve, the self-suction ballast pump, the ballast pump outlet valve and the ballast pump exhaust outboard valve are controlled to be opened if water leakage of the pump cabin pipeline or water in the cabin body of the pump cabin is detected, water in the cabin body of the pump cabin is sucked through the pump cabin suction inlet and enters the inlet of the self-suction ballast pump through the pump cabin bottom suction valve, and then is discharged to the outside through the ballast pump outlet valve, the ballast pump outlet check valve, the ballast pump exhaust outboard valve and the ballast pump exhaust outboard valve.

In a preferred embodiment, the ballast tank further comprises: the ballast system comprises a plurality of upright ballast tanks arranged between a bottom ballast tank and a top ballast tank, wherein the bottom ballast tank is formed by a lower frame of a net cage in a separated manner and is provided with a plurality of independent watertight tanks, the top ballast tank is formed by a lower frame of the net cage in a separated manner and is provided with a plurality of independent watertight tanks, the net cage is provided with a plurality of upright columns, the upright columns are arranged between the upper frame and the lower frame and are connected with the upper frame and the lower frame, the upright ballast tanks are formed by partial upright columns of the net cage in a separated manner and are provided with independent watertight tanks, pump tanks are formed by partial upright columns of the net cage, a plurality of pump tanks are independent watertight tanks respectively, a bottom ballast main pipe penetrates through each bottom ballast tank, a top ballast main pipe penetrates each top ballast tank, the ballast tanks are provided with upright column pipelines leading to the ballast main pipe, the column ballast line includes: the bottom ballast pipeline is matched with the bottom ballast tank, and the top ballast pipeline is matched with the top ballast tank.

In a preferred embodiment, each pump compartment is provided with a ballast pump, the net cage structure pipe is used as a ballast compartment or a pump compartment, the net cage structure pipe is divided into a plurality of symmetrical independent watertight compartments, the watertight compartment selected as the pump compartment is used for installing a ballast pump and a control box and is not used as the ballast compartment any more, 4/a plurality of ballast pumps are arranged in 4/a plurality of different watertight equipment compartments and are connected with each ballast compartment through pipelines and pneumatic valves, the 4 ballast pumps are connected with the ballast pipeline of each ballast compartment through two circularly communicated seawater main pipes, when 1 ballast pump fails, other 3 ballast pumps continue to realize the pressure discharge work of all compartments, and similarly, when at most 3 ballast pumps fail, the normal ballast inclination adjustment operation can also be carried out, and the equipment can also be maintained in the normal ballast adjustment process; when a single pump fails, the top pressure loading main valve and the bottom pressure loading main valve are closed to maintain the pump.

In a preferred embodiment, the aquaculture net cage is a frame formed by connecting steel pipes, an upper frame, a lower frame and a part of vertical pipes are used as ballast tanks, a plurality of uniformly distributed vertical pipes are used as ballast tanks, and the ballast pump is arranged in the middle between the upper frame and the lower frame; the pump compartment and the ballast compartment are independent compartments and are connected through a steel structure, the pump compartment pipeline is connected with each compartment of the ballast compartment through the top pressure loading main pipe and the bottom pressure loading main pipe, and the ballast pumps and the pipelines thereof are connected in parallel through the top pressure loading main pipe or the bottom pressure loading main pipe.

Above-mentioned deep and distant sea aquaculture net case ballast transfer system of inclining is provided with a plurality ofly in the pump compartment, and pump compartment pipeline is provided with many sets with the pump compartment is supporting, is connected with each ballast tank through pipeline and valve, and a plurality of self-priming ballast pumps are connected with each bottom ballast tank through bottom ballast pipeline, and when certain or some ballast pump became invalid wherein, can continue the row's of realizing all cabins ballast and carry the work through remaining other ballast pumps, also can carry out normal ballast transfer operation. The equipment can be maintained in the normal ballast adjusting process, and the safety performance is effectively improved. When ballasting is carried out, the control system controls to open the injection valve of the seabed tank, the inlet valve of the ballast tank, the self-priming ballast pump, the outlet valve of the ballast pump, the ballast pump to bottom pressure load main valve and the bottom pressure load suction port valve, seawater enters the inlet of the self-priming ballast pump through the seabed tank injection valve, the seabed tank injection valve and the ballast tank inlet valve, seawater enters the bottom pressure load main pipe through the outlet valve of the ballast pump and the ballast pump to the bottom pressure load main valve at the self-priming ballast pump outlet, and then enters each bottom ballast tank through the bottom ballast suction port valve and the bottom pressure load suction port to carry out accurate ballasting.

Drawings

FIG. 1 is a partial structural plan view of the net cage;

fig. 2 is a schematic side-view expanded view of the net cage;

fig. 3 is a partial schematic view of a deep open sea aquaculture net cage ballast tilt adjustment system in accordance with an embodiment of the present invention.

Detailed Description

As shown in fig. 1 to 3, the deep open sea aquaculture net tank ballast tilt adjusting system 100 of the present invention comprises: ballast tanks 20 disposed on the net cage 102 or formed in the frame structure of the net cage 102, ballast lines 22 disposed in the ballast tanks 20, pump compartments 40 disposed on the net cage 102 or formed in the frame structure of the net cage 102, pump compartment lines 42 disposed in the pump compartments and connected to the ballast lines, and a control system for controlling the ballast lines 22 or the pump compartment lines 42.

The ballast tank 20 of the present embodiment includes: a plurality of bottom ballast tanks 202 disposed in a lower portion of the cage 102, and a plurality of top ballast tanks 204 disposed in an upper portion of the cage 102.

The ballast line 22 of the present embodiment includes: a bottom ballast line 24 in the bottom ballast tank 202 and a top ballast line 26 in the top ballast tank 204 are provided.

The pump chamber line 42 and the bottom ballast line 24 and the top ballast line 26 of this embodiment are connected, respectively.

The bottom ballast tank 202, the top ballast tank 204, and the pump tank 40 of this embodiment are watertight tanks. Preferably, each of the ballast tank 20 and the pump tank 40 is watertight.

Preferably, the pump chamber 40 of the present embodiment is provided in plurality. The pump chamber pipeline 42 is provided with a plurality of sets matched with the pump chamber 40.

The bottom ballast line 24 of the present embodiment includes: a bottom ballast main pipe 242 communicating with the plurality of bottom ballast tanks 202, a subsea tank filling valve 244 connected to the subsea tank 30, a bottom ballast suction port valve 246 connected to the bottom ballast main pipe 242 by a pipe, and a bottom ballast suction port 248 connected to the bottom ballast suction port valve 246 by a pipe.

The pump room piping 42 of the present embodiment includes: a first pump compartment line 44. The first pump compartment line 44 includes: a first conduit leading to the subsea tank injection valve 244, a ballast tank inlet valve 442 disposed in line with the first conduit, a self-priming ballast pump 443, a ballast pump outlet valve 444, a ballast pump to bottom ballast main valve 445. The ballast pump to bottom ballast header valve 445 opens through piping to the bottom ballast header 242. The pipeline, the first pipeline, the second pipeline, the third pipeline, the fourth pipeline and the fifth pipeline in this embodiment are not limited to a single pipeline, and may be a plurality of connected pipelines on a single pipeline, or all of the mutually related pipelines included in a single pipeline or a part of pipelines formed by connecting valves, ballast pumps, suction ports, meters and the like. The self-priming ballast pump 443 of the present embodiment is also connected at its inlet with a pressure gauge 447 and at its outlet with a pressure sensor 449.

The upper frame 104 and the lower frame 106 of the frame structure of the net cage 102 are ring structures, which may be circular ring structures or polygonal ring structures. Preferably, the upper frame 104 and the lower frame 106 of the net cage 102 shown in fig. 1 have an octagonal ring structure.

The upper frame 104 and the lower frame 106 of the cage 102 are supported by posts 108. For the purpose of increasing strength and stability, a diagonal column 109 is provided between the upper frame 104 and the lower frame 106 for reinforcing support. The upper frame 104 and the lower frame 106 are formed by hollow pipe connection. The upright 108 is a hollow tube structure.

Further, the ballast tank 20 of the present embodiment further includes: a column ballast tank 206 disposed between the bottom ballast tank 202 and the top ballast tank 204.

Preferably, the bottom ballast chamber 202 of the present embodiment is formed by the lower frame 106 of the net cage 102, and is partitioned into a plurality of sections. The plurality of bottom ballast tanks 202 are each a plurality of independent watertight tanks. The bottom ballast main conduit 242 of this embodiment extends through each bottom ballast tank 202.

Preferably, the roof pressure chamber 204 of the present embodiment is formed by the lower frame 106 of the net cage 102 and divided into a plurality of sections. The plurality of top ballast tanks 204 are each a plurality of independent watertight tanks.

The cage 102 of the present embodiment is provided with a plurality of posts 108. A plurality of posts 108 are disposed between the upper frame 104 and the lower frame 106 and connect the upper frame 104 and the lower frame 106.

The pump bay 40 of this embodiment is formed by a column 108 of the net cage 102. Preferably, the pump chamber 40 is provided in plural number not exceeding the number of columns at most (in this case, the column ballast tank is not provided). Further, the number of the pump chambers 40 of the present embodiment is preferably 2 to 4. Preferably, the pump chamber 40 of the present embodiment is formed by a portion of the columns 108 of the cage 102, and each of the plurality of pump chambers 40 is an independent watertight chamber. Further, it is preferable that the plurality of pump chambers 40 of the present embodiment are arranged symmetrically two by two.

The column ballast tank 206 of the present embodiment is formed by a part of the columns of the net cage 102 and is formed in plurality. Columns disposed outside of the pump chambers may be provided as column ballast tanks 206. Each of the plurality of column ballast tanks 206 is an independent watertight tank. The ballast line 22 of this embodiment further includes: column ballast lines 28 are provided in the column ballast tanks 206 leading to a bottom ballast main conduit 242.

The column ballast line 28 of the present embodiment includes: a column ballast line 282 connected to the bottom ballast main pipe 242, a column ballast valve 284 provided in the column ballast line 282, and a column ballast suction port 286 provided at a port of the column ballast line 282.

Further, the bottom ballast line 24 of the present embodiment further includes: a main ballast injection valve 241 piped into the subsea tank injection valve 244 at one end and into the bottom ballast main 242 at the other end.

Further, the control system of this embodiment controls the opening of the subsea tank injection valves 244 and the main conduit ballast injection valves 241, and seawater enters the bottom ballast main conduit 242 through the subsea tanks 30, the subsea tank injection valves 244 and the main conduit ballast injection valves 241, and enters each bottom ballast tank 202 through the bottom ballast suction port valves 246 and the bottom ballast suction ports 248 for ballasting. The ballast is carried out automatically by the structural weight of the net cage 102 without opening a self-suction ballast pump, so that energy is saved.

The bottom ballast lines 24 are configured to mate with the bottom ballast tanks 202, each bottom ballast tank 202 is configured with a set of bottom ballast lines 24, and each set of bottom ballast lines 24, except for a common bottom ballast main pipe 242, is configured with a subsea tank injection valve 244, a bottom ballast suction port valve 246, a bottom ballast suction port 248, and a main pipe ballast injection valve inlet 241.

If accurate ballast is carried out, the control system controls and opens the seabed tank injection valve 244, the ballast tank inlet valve 442, the self-priming ballast pump 443, the ballast pump outlet valve 444, the ballast pump to bottom ballast main valve 445 and the bottom ballast suction port valve 246, seawater enters the inlet of the self-priming ballast pump 443 through the seabed tank 30, the seabed tank injection valve 244 and the ballast tank inlet valve 442, enters the bottom ballast main pipe 242 through the ballast pump outlet valve 444 and the ballast pump to bottom ballast main valve 445 at the outlet of the self-priming ballast pump 443, and then enters each bottom ballast tank 202 through the bottom ballast suction port valve 246 and the bottom ballast suction port 248 for accurate ballast. The precision ballasting of the present invention is relative gravity ballasting or non-dynamic ballasting, which is performed relatively precisely.

The first pump compartment piping 44 of the present embodiment further includes: a ballast pump outlet check valve 446 disposed in correspondence with the ballast pump outlet valve 444 and disposed between the ballast pump outlet valve 444 and the ballast pump to bottom ballast main valve 445.

The pump compartment line 42 of the present embodiment further includes: a second pump compartment line 46. The second pump room pipe 46 includes: a second conduit coupled into the first pump tank line 44 and leading to the ballast pump outlet check valve 446, a ballast pump discharge outboard valve 464 disposed on the second conduit, and an outboard check valve 466 disposed between the ballast pump discharge outboard valve 464 and the ballast pump outlet check valve 446.

When the bottom ballast tank 202 is discharged, the control system controls to open the bottom ballast suction port valve 246, the main pipe ballast injection valve 241, the ballast tank inlet valve 442, the self-priming ballast pump 443, the ballast pump outlet valve 444, and the ballast pump discharge outside valve 434, seawater enters the bottom ballast main pipe 242 through the bottom ballast suction port 248 and the bottom ballast suction port valve 246, enters the inlet of the self-priming ballast pump 443 through the main pipe ballast injection valve 241 and the ballast tank inlet valve 442, and is discharged to the outside through the outlet of the self-priming ballast pump 443, the ballast pump outlet valve 444, the ballast pump outlet check valve 446, the outside check valve 466, and the ballast pump discharge outside valve 464.

The deep sea aquaculture net cage ballast tilt adjusting system 100 of the present embodiment further comprises: a level sensor disposed in each bottom ballast tank 202 to detect the level of the bottom ballast tank 202, and draft sensors symmetrically disposed at the bottom corners of the cage 102 to detect the draft position of the cage. Draft sensors of the present embodiment may be disposed at four symmetrical angular positions of the net cage 102.

If the liquid level of a single bottom ballast tank 202 is detected to be too high or the net cage is detected to be inclined in the ballasting process of the bottom ballast tank 202, closing the bottom ballast suction port valve 246 in the bottom ballast tank with relatively large ballast capacity, controlling the leveling of the net cage, and opening the closed bottom ballast suction port valve 246 after the leveling so as to carry out ballasting simultaneously with other bottom ballast tanks.

The top loading pipeline 26 of the present embodiment includes: a top ballast main pipe 262 provided in the top ballast tank 204 and communicating with the plurality of top ballast tanks 204, a top ballast injecting and sucking valve 264 connected to the top ballast main pipe 262 through a pipe, and a top ballast suction port 266 connected to the top ballast injecting and sucking valve 264 through a pipe. The top ballast main 262 of this embodiment extends through each top ballast tank 204.

Further, the pump room pipe 42 of the present embodiment further includes: a third pump compartment line 48, a fourth pump compartment line 49.

The third pump compartment piping 48 of the present embodiment includes: third piping that leads into the first pump tank piping 44 and to the ballast tank inlet valve 442, and top pressure provided on the third piping and piped into the top pressure carrying main 262 to the ballast pump inlet valve 484.

The fourth pump room piping 49 of the present embodiment includes: a fourth conduit that connects into the first pump tank line 44 and leads to the ballast pump outlet valve 442 or the ballast pump outlet check valve 446, a ballast pump disposed on the fourth conduit and leading through the fourth conduit to the top ballast main conduit 262, to a top ballast main valve 494.

When the top ballast tank 204 is ballasted, the control system controls to open the seabed tank injection valve 244, the ballast tank inlet valve 442, the top ballast inlet valve 484 and the top ballast injection and suction valve 264, and the seawater enters the top ballast main pipe 262 through the seabed tank 30, the seabed tank injection valve 244, the ballast tank inlet valve 442 and the top ballast inlet valve 484, and then enters each top ballast tank 204 through the top ballast injection and suction valve 264 and the top ballast suction port 266 to be ballasted.

If the top ballast tank 204 is to be ballasted accurately, the control system controls to open the subsea tank injection valve 244, the ballast tank inlet valve 442, the self-priming ballast pump 443, the ballast pump outlet valve 444, the ballast pump to top ballast main valve 494, and the top ballast injection and suction valve 264, the seawater enters the inlet of the self-priming ballast pump 443 through the subsea tank 30, the subsea tank injection valve 244, the ballast tank inlet valve 442, and enters the top ballast main pipe 262 from the outlet of the self-priming ballast pump 443 through the ballast pump outlet valve 444, the ballast pump outlet check valve 446, the ballast pump to top ballast main valve 494, and then enters each top ballast tank 204 through the top ballast injection and suction valve 264 and the top ballast suction port 266, so as to ballast the top ballast tank 204 accurately. The ballast pump outlet check valve 446 prevents the seawater in the top ballast tank 204 from flowing back out of the subsea tanks when the valve is open and the ballast pump is not activated. The precision ballast of this embodiment is a relatively precision ballast performed in relation to a gravity ballast or a non-powered ballast.

When the top ballast tank 204 is unloaded, the control system controls to open the top ballast injection and suction valve 264, the top ballast to ballast pump inlet valve 484, the self-priming ballast pump 443, the ballast pump outlet valve 444 and the ballast pump outboard valve 464, seawater enters the top ballast main pipe 262 from the top ballast suction port 266 through the top ballast injection and suction valve 264, enters the inlet of the self-priming ballast pump 443 through the top ballast to ballast pump inlet valve 484, and is discharged outboard from the outlet of the self-priming ballast pump 443 through the ballast pump outlet valve 444, the ballast pump outlet check valve 446, the outboard check valve 466 and the ballast pump outboard valve 464.

The ballast tank 204 of this embodiment is provided with a ballast level sensor for detecting the liquid level in each ballast tank. When the top ballast tank 204 is ballasted, if the liquid level of a single top ballast tank 204 is detected to be too high or the inclination of the net cage is detected, the top ballast injection and suction valve 264 in the top ballast tank with relatively large ballast capacity is closed, the ballast water amount of the top ballast tank 204 is controlled, the net cage is leveled, and after the leveling, the top ballast injection and suction valve 264 is opened to continue ballasting with other top ballast tanks.

When the top ballast tank 204 carries out load discharge, if the liquid level of a single top ballast tank is detected to be overhigh or the draft sensor detects that the net cage inclines, the top load injection and suction valve 264 in the top ballast tank with relatively large load discharge amount is controlled to be closed, the ballast water amount of the top ballast tank 204 is controlled to carry out leveling of the net cage, and after the leveling, the top load injection and suction valve 264 is opened to continue to carry out load discharge with other top ballast tanks.

In order to lower the height of the gravity center of the net cage, seawater in the top ballast tank 204 needs to be discharged to the bottom ballast tank 202, if the water in the top ballast tank 204 is discharged to the bottom ballast tank 202, the top ballast injection and suction valve 264 is controlled to be opened, the top ballast inlet valve 484, the ballast tank inlet valve 442, the main pipe ballast injection valve 241 and the bottom ballast suction valve 246 are controlled to be opened, the water in the top ballast tank 206 is sucked through the top ballast suction port 266, enters the top ballast main pipe 262 through the top ballast injection and suction valve 264, enters the bottom ballast main pipe 242 through the top ballast pump inlet valve 484, the ballast tank inlet valve 442 and the main pipe ballast injection valve 241, and is discharged to the bottom ballast tank 202 through the bottom ballast suction port valve 246 and the bottom ballast suction port 248.

If the accurate adjustment is performed to discharge the water in the top ballast tank 204 to the bottom ballast tank 202, the top ballast injecting and pumping valve 264, the top ballast to ballast pump inlet valve 484, the self-priming ballast pump 443, the ballast pump outlet valve 444, the ballast pump to bottom ballast main valve 445 and the bottom ballast pumping port valve 246 are controlled to be opened, the water in the top ballast tank 204 is pumped in through the top ballast pumping port 266, enters the top ballast main pipe 262 through the top ballast injecting and pumping valve 264, enters the inlet of the self-priming ballast pump 443 through the top ballast pumping to bottom ballast pump inlet valve 484, enters the bottom ballast main pipe 242 through the self-priming ballast pump 443 outlet valve 444, the ballast pump outlet check valve 446 and the ballast pump to bottom ballast main valve 445, and is discharged to the bottom ballast tank 202 through the bottom ballast pumping port valve 246 and the bottom ballast pumping port 248. The precision ballasting of the present invention is relative gravity ballasting or non-dynamic ballasting, which is performed relatively precisely.

Further, a pump chamber liquid level sensor for detecting whether the pump chamber pipeline leaks water is arranged in the pump chamber 40 of the embodiment. The pump room pipeline still includes: a fifth pump compartment line 47. The fifth pump room pipe 47 includes: a fifth pipe that connects into the first pump compartment line 44 and leads to the self-priming ballast pump 443, a pump compartment bilge suction valve 474 provided on the fifth pipe, and a pump compartment intake 476 provided at the end of the fifth pipe and placed at the bottom of the pump compartment 40.

If water leakage is detected in the pump tank pipeline or water is detected in the tank body of the pump tank 40, the pump tank bottom suction valve 474, the self-priming ballast pump 443, the ballast pump outlet valve 444 and the ballast pump outboard valve 464 are controlled to be opened, water in the tank body of the pump tank is sucked in through the pump tank suction inlet 476, enters the inlet of the self-priming ballast pump 443 through the pump tank bottom suction valve 474, and is discharged outboard through the outlet of the self-priming ballast pump 443 through the ballast pump outlet valve 444, the ballast pump outlet check valve 446, the outboard check valve 466 and the ballast pump outboard valve 464. Preferably, the valve of the invention is a pneumatic remote control valve.

The deep and open sea aquaculture net cage ballast inclination adjusting system provided by the invention adopts a plurality of sets of parallel connection for use, a better effect is obtained in practical use, the pressure load discharging efficiency can be effectively improved under the condition of the plurality of sets of parallel connection, the equipment safety allowance is higher, and under the working condition of the plurality of sets of parallel connection, even if a single pump fails, the pump can be maintained by closing the top pressure load main valve and the bottom pressure load main valve. And the system valves are all pneumatic remote control valves, so that the pressure discharge and leveling work of the ballast tank can be completed through the control of the center console.

In the ballast of each bottom ballast tank 202, under the closed state of other valves, the seabed tank injection valves 244, the main pipe ballast injection valve 241 and the bottom ballast suction port valve 246 of a plurality of systems are opened, seawater enters the bottom ballast main pipe 242 through the seabed tank 30, the seabed tank injection valves 244 and the main pipe ballast injection valve 241 and then enters each bottom ballast tank 202 through the bottom ballast suction port valve 246 and the bottom ballast suction port 248.

And (3) accurately ballasting each bottom ballast tank 202, opening a plurality of systems of a seabed tank injection valve 244, a ballast tank inlet valve 442, a ballast pump outlet valve 444, a ballast pump to bottom ballast main valve 445 and a bottom ballast suction port valve 246 under the condition that other valves are closed, opening a self-priming ballast pump 443, enabling seawater to enter an inlet of the self-priming ballast pump 443 through the seabed tank 30, the seabed tank injection valve 244 and the ballast tank inlet valve 442, entering a 24-bottom ballast main pipe 242 from an outlet of the self-priming ballast pump 443 through the ballast pump outlet valve 444 and the ballast pump to bottom ballast main valve 445, and respectively entering each bottom ballast tank 202 through the bottom ballast suction port valve 246 and the bottom ballast suction port 248, and opening the self-priming ballast pump 443 to accurately ballast each bottom ballast tank 202.

Leveling is carried out in the ballasting process of each bottom ballast tank 202, each ballast tank 202 is provided with a liquid level sensor, four symmetrical corners of the net cage are provided with draft sensors, when the liquid level of a single ballast tank is overhigh or the draft sensors detect that the net cage inclines, the bottom ballast suction port valve 246 of the bottom ballast tank with larger ballast amount is automatically closed, the leveling of the net cage is realized by controlling the ballast amount, and after the leveling, the valve is continuously opened to carry out ballast with other tanks at the same time.

When the other valves are closed, the bottom ballast tank 202 is discharged, the bottom ballast suction port valves 246, the main ballast injection valves 241, the ballast tank inlet valves 442, the ballast pump outlet valves 444, and the ballast pump discharge outboard valves 434 of the plurality of systems are opened, the self-priming ballast pumps 443 are opened, seawater enters the bottom ballast main pipe 242 through the suction ports 248 and the bottom ballast suction port valves 246, enters the inlets of the self-priming ballast pumps 443 through the main ballast injection valves 241 and the ballast tank inlet valves 442, and the outlets of the self-priming ballast pumps 443 are discharged outboard through the ballast pump outlet valves 444, the ballast pump outlet check valves 446, the outboard check valves 466, and the ballast pump discharge outboard valves 464. Wherein the outboard check valve 466 prevents back-filling of water through the discharge port into the bottom ballast tank 202 in the event the valve is opened without activation of the self-priming ballast pump 443.

Leveling is carried out in the process of discharging the ballast tanks at the bottoms 202, each bottom ballast tank 202 is provided with a liquid level sensor, four symmetrical corners of the net cage are provided with draft sensors, when the liquid level of a single ballast tank passes through the bottom or the draft sensors detect that the net cage inclines, the bottom ballast suction port valve 246 of the ballast tank with larger discharge capacity is automatically closed, the leveling of the net cage is realized by controlling the ballast water amount, and after the leveling, the valve is continuously opened to discharge the ballast with other tanks at the same time.

In the ballast of each top ballast tank 204, under the closed state of other valves, the seabed tank injection valves 244, the ballast tank inlet valves 442, the top ballast to ballast pump inlet valves 484 and the top ballast injection and suction valves 264 of a plurality of systems are opened, seawater enters the top ballast tanks 204 through the seabed tanks 30, the seabed tank injection valves 244, the ballast tank inlet valves 442 and the top ballast to ballast pump inlet valves 484 and then enters the top ballast main pipes 262 through the top ballast injection and suction valves 264 and the top ballast suction ports 266.

In addition, in the ballast of each top ballast tank 204, under the closed state of other valves, the seabed tank injection valves 244, ballast tank inlet valves 442, ballast pump outlet valves 444, ballast pump to top ballast main valves 494, top ballast injection and suction valves 264 of a plurality of systems are opened, the self-priming ballast pump 443 is opened, seawater enters the inlet of the self-priming ballast pump 443 through the seabed tank 30, the seabed tank injection valves 244 and the ballast tank inlet valves 442, enters the top ballast main pipe 262 from the outlet of the self-priming ballast pump 443 through the ballast pump outlet valves 444, the ballast pump outlet check valves 446, the ballast pump to top ballast main valves 494, and then enters each bottom ballast tank 204 through the top ballast injection and suction valves 264 and top ballast suction ports 266 respectively, and the self-priming ballast pump 443 is opened under the working condition, so that each top ballast tank can be accurately ballasted. Wherein ballast pump outlet check valve 446 prevents ballast tank 204 water from flowing out of subsea tanks 30 with the valve open and self-priming ballast pump 443 not activated.

Leveling in the ballasting process of each ballast tank, wherein each ballast tank is provided with a liquid level sensor, four symmetrical corners of the net cage are provided with draft sensors, when the liquid level of a single ballast tank is too high or the draft sensors detect that the net cage inclines, the top pressure load injection and suction valve 264 of the ballast tank with larger ballast amount is automatically closed to control the ballast amount to realize the leveling of the net cage, and after the leveling, the valve is continuously opened to carry out ballast with other tanks at the same time.

In the discharge of the ballast from each top ballast tank 204, in the closed state of the other valves, the top ballast injection and suction valves 264, the top ballast inlet valves 484, the ballast pump outlet valves 444, and the ballast pump discharge outboard valves 464 of the plurality of systems are opened, the self-priming ballast pumps 443 are opened, seawater enters the top ballast main pipe 262 from the top ballast suction ports 266 through the top ballast injection and suction valves 264, enters the inlets of the self-priming ballast pumps 443 from the top ballast inlet valves 484 through the top ballast pressure, and is discharged outboard from the outlets of the self-priming ballast pumps 443 through the ballast pump outlet valves 444, the ballast pump outlet check valves 446, the outboard check valves 466, and the ballast pump discharge outboard valves 464.

Leveling in the top ballast tank load discharging process, wherein each top ballast tank is provided with a liquid level sensor, four symmetrical corners of the net cage are provided with draft sensors, when the liquid level of a single top ballast tank passes through the bottom or the draft sensors detect that the net cage inclines, the top load injection and suction valve 264 of the top ballast tank with a large load discharging amount is automatically closed, the ballast water amount is controlled to realize the leveling of the net cage, and after the leveling, the valve is continuously opened to discharge loads with other tanks at the same time.

Whether the net cage is inclined or leveled is judged through the parameters of the water pressure (water depth) at the four corners of the net cage fed back by the draft sensor.

In order to reduce the height of the gravity center of the aquaculture net cage, seawater in the top ballast tank needs to be discharged to the bottom ballast tank, and under the closed state of other valves, the top ballast injection and suction valve 264, the top ballast to ballast pump inlet valve 484, the ballast tank inlet valve 442, the main pipe ballast injection valve inlet 241 and the bottom ballast suction port valve 246 are opened, so that the seawater in the top ballast tank 204 can be discharged to the bottom ballast tank 202 without power, and the seawater can be accurately regulated by using a 2-self-priming ballast pump.

According to the invention, the pump compartment is unloaded, the bottom of the pump compartment is provided with a liquid level sensor, the liquid level sensor sends a signal when the pump compartment pipeline leaks water, and under the closed state of other valves, the pump compartment bottom suction valve 474, the ballast pump outlet valve 444 and the ballast pump outboard valve 464 are opened, the self-priming ballast pump 443 is opened, seawater is sucked in through the pump compartment suction inlet 476, enters the inlet of the self-priming ballast pump 443 through the pump compartment bottom suction valve 474, and is exhausted outboard through the outlet of the self-priming ballast pump 443, the ballast pump outlet valve 444, the ballast pump outlet check valve 446, the outboard check valve 466 and the ballast pump outboard valve 464.

Preferably, 4 self-priming ballast pumps 443 are respectively arranged in each pump compartment 40 of the net cage 102, each top ballast compartment 204 is communicated through a top ballast main pipe, and each bottom ballast compartment 202 is communicated through a bottom ballast main pipe; the 4 pump compartments form 4 different watertight equipment compartments, which are disposed in the columns around the cage 102. Each ballast pump and the pipeline thereof are connected in parallel through a top pressure loading main pipe and a bottom pressure loading main pipe; the ballast tanks are all independent, so that one tank is prevented from being damaged, and the system is prevented from being totally broken down.

Each bottom ballast tank 202 in the ballast system is provided with a bottom ballast suction port 248, a bottom ballast suction port valve 246 and is connected to a bottom ballast main pipe, thereby realizing the communication of each bottom ballast tank 202. Seawater enters the bottom ballast main through the subsea tanks 30 and, under the influence of water flow, enters each of the bottom ballast tanks 202 through the bottom ballast suction valve 246 and the bottom ballast suction port 248, respectively.

The bottom ballast compartments are even in number, so that the inclination adjustment of the net cage is facilitated, and the specific number can be determined according to the size of the net cage.

The bottom ballast suction port 248 of the present invention is used for injecting or discharging seawater into or from the bottom ballast tank 202, and whether it is operated or not is controlled by opening or closing the bottom ballast suction port valve 246; the bottom ballast suction valve 246 is connected by a branch line to a bottom ballast main line, in which the ballast suction valve 246 and the bottom ballast suction port 248 are located, and the bottom ballast main line is a loop line passing through each bottom ballast tank 202.

The bottom ballast tanks 202 of the present invention are provided in plurality and are connected to the seawater main conduit. The seawater main pipe is arranged in the top pressure loading pipe and the bottom pressure loading pipe, can be arranged at any position in the top pressure loading pipe or the bottom pressure loading pipe, and is connected to the inner wall of the top ballast pipe or the bottom pressure loading pipe through a pipe support.

Each ballast tank is provided with a liquid level sensor, draft sensors are arranged at four symmetrical corners of the net cage, the bottom pressure load suction port valve 246 or the top pressure load injection and suction valve 264 is remotely controlled according to the liquid level condition fed back by the sensors, and the ballast water amount is controlled to realize the leveling of the net cage.

An even number of ballast tanks according to the invention are provided. The number of the top ballast tanks is even, and the number of the bottom ballast tanks is even. The top ballast tank is communicated and connected through the top ballast main pipe. The bottom ballast tanks are communicated and connected through a bottom ballast main pipe.

The net cage is of a frame structure and is in a square or cuboid shape or a 6-face or 8-face shape and the like.

The invention judges that the liquid level of a single ballast tank is too high, and needs to be evaluated according to the liquid level parameter fed back by a liquid level sensor (water pressure reckoning water depth) in the ballast tank, if the liquid level parameter of the ballast tank is always obviously higher than other tank positions in a period of time, namely the liquid level of a certain ballast tank higher than other ballast tanks exceeds a set value, the ballast tank is too high.

The bottom ballast tanks 202 of the invention are positioned in the floating body of the bottom frame of the net cage, are symmetrically distributed and are even in number.

When the self-priming ballast pump 443 is not started during ballasting, the mode is energy-saving, but the ballast rate is low and the ballast precision is not high; the manner of starting the self-priming ballast pump 443 can increase the ballast rate, complete ballast operation in a shorter time, facilitate water volume control, and have high accuracy. In the daily culture process, if no ballast time is required, the self-priming ballast pump 443 is not started for ballast; if severe weather or other situations need to complete ballast quickly, the self-priming ballast pump 443 is started to complete ballast quickly.

The draft sensors are symmetrically arranged at the four corners of the bottom of the net cage, so that the water depth of the four corners of the net cage can be detected in real time, and the ballast tanks are respectively provided with the liquid level sensors for detecting the water level of each ballast tank.

When the invention is leveled, a plurality of bottom pressure load suction port valves 246 or top pressure load injection and suction valves 264 are closed, and the water level of the ballast tanks and the water depth of four corners of the net cage are determined according to the same water level of other symmetrically arranged positions.

The vertical central lines of the bottom pressure loading cabin and the top pressure loading cabin are positioned on the same central line, are parallel to the top plane and the bottom plane of the net cage, and are related through a pipeline in the pump cabin; the bottom ballast main pipe penetrates through the bottom ballast tank and is communicated with the bottom ballast tank through a bottom ballast suction port valve 246 and a branch pipe where the bottom ballast suction port valve is located; the top ballast main pipe passes through the top ballast tank and is communicated with the top ballast tank through the top ballast injection and suction valve 264 and the branch pipe where the top ballast injection and suction valve is located.

The precise ballasting or adjustment of the present invention is relatively precise with respect to ballasting or adjustment by gravity.

The ballast inclination adjusting system of the deep and far sea aquaculture net cage is arranged in the net cage frame, and can realize an unpowered ballast process under the condition that a compressed air tank is sufficient. The net cage frame pipes can be used as ballast tanks, the net cage can be wholly submerged below the water surface (only the control room on the central upright post is above the water surface), the pump cabin is wholly below the water surface, and the distributed arrangement safety is high. The ballast system is arranged in the net cage frame, and can realize the unpowered ballast process under the sufficient state of the compressed air tank.

A pump base is arranged in the pump cabin and is provided with a ballast pump, and the pump base is connected with each ballast cabin through equipment such as pipelines, valves and the like; the number of the pump cabins is preferably 2-4, and the single pump cabin cannot embody the safety and the allowance of the system. The number of the pump cabins does not exceed the number of the net cage columns at most. The pump chambers are uniformly distributed in the net cage upright columns, 4 upright columns can be arranged to serve as the pump chambers, the pump chambers are uniformly distributed 4 by 4, and the non-pump chamber upright columns can serve as ballast tanks, so that the ballast tanks can be uniformly ballasted by the uniform distribution, and the net cage is convenient to level.

The pump compartment and the ballast compartment are independent compartments respectively, but are connected through a steel structure, and the pump compartment pipeline is connected with each compartment through a top pressure loading main pipe and a bottom pressure loading main pipe.

When the net cage main body needs to float out of the water surface, the pump needs to be controlled for discharging and loading, and when the net cage main body needs to submerge below the water surface, the ballast is needed.

The net cage of the invention can be selected to have a net cage depth of 17m and a net cage draught of 16m under normal culture working conditions, the cultured fishes are adversely affected when typhoon or red tide occurs in the culture process, at the moment, ballast submergence is needed, the draught reaches 22m, namely submergence for 6m avoids the influence of heavy waves and red tide caused by typhoon. Under the maintenance working condition, the net cage needs to float upwards, most of the net cage is exposed out of watertight state, and the net cage is 2m away from water. Ballast discharge is required.

Each pump compartment is provided with a ballast pump, the net cage structure pipe can be used as the ballast compartment or the pump compartment, the net cage structure pipe is divided into a plurality of symmetrical independent watertight compartments, the watertight compartment selected as the pump compartment is used for installing the ballast pump and the control box, and the net cage structure pipe is not used as the ballast compartment any more.

The aquaculture net cage is a frame formed by connecting a plurality of steel pipes in appearance, the net cage needs floating and submerging functions and needs seawater ballast, the upper frame, the lower frame and a part of vertical pipes are used as ballast tanks, the uniformly distributed vertical pipes are selected as the ballast tanks, and the ballast pumps have suction lift and lift data in the drainage process, so that the ballast pumps are arranged in the middle positions between the upper frame and the lower frame, and the performance of the ballast pumps is favorably exerted to the maximum extent.

The upright column, the top pressing and loading cabin and the bottom pressing and loading cabin can be connected together by welding.

The ballast tank of the present invention is a watertight tank, which is a watertight space having no water inside. Ballast pump and pipeline setting are inside the pump compartment, if the pipeline in case leak can make ballast pump damage, consequently set up level sensor and suction port at the pump compartment bilge, in case leak, the sensor detects the water level, can start ballast pump and carry out the drainage to the pump compartment.

The ballast tank is started when the posture of the net cage in water needs to be adjusted or the net cage needs to float up or submerge. The number of the ballast tanks can be multiple, at least 4, so that the posture of the net cage can be adjusted in the direction of X, Y shafts. More than 4 ballast tanks are also possible. The shape of the net cage can be designed into a cylinder, a cube, a cuboid, a polygon and the like.

All ballast tanks of the invention are independent watertight tanks, and the ballast water inside can only enter and exit through pipelines. The outlet of the compressed air tank is connected with a valve box through a pipeline, the outlet pipeline of the valve box is connected with each valve, the valve box divides the air pipeline into a plurality of branches, the number of the branches is the same as that of the pneumatic butterfly valves, and the pipeline of the valve box controls the opening and closing of the pneumatic butterfly valves through electromagnetic valves.

The load discharging sequence of the invention is top ballast, upright post and bottom ballast, which is to ensure the whole gravity center of the net cage to be lower, thus being beneficial to the stability of the net cage; however, because the ballast tanks are discharged through the ballast main pipe, the situation that the ballast tanks are discharged simultaneously by a plurality of tanks can cause unbalanced ballast water discharge amount of different tanks, and when the bottom ballast is not full and the top pressure is loaded with water, the top pressure loaded water is preferentially discharged to the bottom ballast tank so as to ensure that the center of gravity of the net cage is lowest.

When the net cage needs to submerge, bottom ballast tank ballast and top ballast tank ballast are needed, wherein the ballast sequence is preferably the bottom ballast tank ballast and then the top ballast tank is pressurized; when the net cage needs to float out of the water surface, the ballast of the bottom ballast tank and the ballast of the top ballast tank need to be discharged, and the discharging sequence is the discharging of the top ballast tank and the discharging of the bottom ballast tank.

The deep and offshore aquaculture net cage ballast discharge system is safe and reliable, most of the deep and offshore aquaculture net cages are unattended in most of time, the reliability of the ballast tilt adjusting system is very critical as a key part of safe operation of the aquaculture net cages, the ballast tilt adjusting system is high in allowance, 4 ballast pumps or a plurality of ballast pumps are respectively designed in 4 watertight equipment compartments or a plurality of different watertight equipment compartments and are connected with the ballast compartments through pipelines and pneumatic valves, the 4 ballast pumps are connected with the ballast pipelines of the ballast compartments through two annularly communicated seawater main pipes, when 1 ballast pump fails, the other 3 ballast pumps can continue to realize the discharge and ballast operation of all the compartments, and similarly, when 3 ballast pumps fail, the system can also carry out normal ballast tilt adjusting operation. The equipment can be maintained in the normal ballast adjusting process, and the safety performance is effectively improved.

The deep and far sea aquaculture net cage ballast draining system is a pipe frame type deep and far sea aquaculture net cage ballast draining system, a good effect can be achieved when a plurality of sets of the systems are connected in parallel, the pressure load draining efficiency can be effectively improved under the condition that the plurality of sets of the systems are connected in parallel, the safety allowance of equipment is high, and under the working condition that the plurality of sets of the systems are connected in parallel, even if a single pump breaks down, the pump can be maintained by closing the top pressure load main valve and the bottom pressure load main valve. And the system valves are all pneumatic remote control valves, so that the pressure discharge and leveling work of the ballast tank can be completed through the control of the center console.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that various changes and modifications can be made by those skilled in the art without departing from the spirit of the invention, and these changes and modifications are all within the scope of the invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. The utility model provides a deep and open sea aquaculture net case ballast transfer system of inclining which characterized in that includes: ballast tanks arranged on the net cage or formed in the net cage frame structure, ballast pipelines arranged in the ballast tanks, pump chambers arranged on the net cage or formed in the net cage frame structure, pump tank pipelines arranged in the pump chambers and connected with the ballast pipelines, and a control system for controlling the ballast pipelines or the pump tank pipelines, wherein the ballast tanks comprise: a plurality of bottom ballast tanks of setting in box with a net lower part, a plurality of top ballast tanks of setting box with a net upper portion, the ballast pipeline includes: the bottom ballast tank comprises a bottom ballast tank pipeline, a top ballast tank pipeline, a pump tank pipeline, a top ballast tank and a pump tank, wherein the bottom ballast tank pipeline and the top ballast tank pipeline are arranged in the bottom ballast tank, the top ballast tank pipeline and the pump tank are respectively connected, the bottom ballast tank, the top ballast tank and the pump tank are watertight tanks, the pump tank is provided with a plurality of pump tanks, the pump tank pipeline and the pump tank are matched to be provided with a plurality of sets, and the bottom ballast tank pipeline comprises: the bottom ballast of intercommunication a plurality of bottom ballast tanks is carried the house steward, is inserted the seabed case filling valve of seabed case, is inserted through the pipeline the bottom ballast house steward's bottom pressure carries the suction port valve, with the bottom pressure that bottom pressure carried the suction port valve and passes through the pipe connection carries the suction port, the pump room pipeline includes: a first pump chamber pipeline and a second pump chamber pipeline; the first pump compartment line includes: the first pipeline is communicated with the injection valve of the seabed tank, and the ballast tank inlet valve, the self-priming ballast pump, the ballast pump outlet valve and the ballast pump-to-bottom ballast main valve are arranged according to the first pipeline; the ballast pump leads to bottom ballast main pipe through the pipeline to bottom ballast main valve, the roof pressure year pipeline includes: the top ballast tank comprises a top ballast tank, a top ballast main pipe, a top ballast injection and suction valve and a top ballast suction port, wherein the top ballast main pipe is arranged in the top ballast tank and communicated with a plurality of top ballast tanks, the top ballast injection and suction valve is connected with the top ballast main pipe through a pipeline, the top ballast suction port is connected with the top ballast injection and suction valve through a pipeline, and the pump tank pipeline further comprises: third pump compartment pipeline, fourth pump compartment pipeline, third pump compartment pipeline includes: a third pipeline connected to the first pump tank pipeline and leading to the ballast tank inlet valve, and a top pressure load arranged on the third pipeline and connected to the top ballast main pipe to the ballast pump inlet valve; the control system controls to open a seabed tank injection valve, a ballast tank inlet valve, a top pressure load to ballast pump inlet valve and a top pressure load injection and suction valve, seawater enters a top pressure load main pipe through the seabed tank, the seabed tank injection valve, the ballast tank inlet valve and the top pressure load to ballast pump inlet valve, and then enters each top ballast tank through the top ballast injection and suction valve and the top pressure load suction port to carry out top ballast tank ballast; the fourth pump compartment line includes: the fourth pipeline is connected with the first pump tank pipeline and leads to the outlet valve of the ballast pump or the check valve of the outlet of the ballast pump, and the ballast pump which is arranged on the fourth pipeline and leads to the top ballast main pipe through the fourth pipeline is connected to the top ballast main valve; if accurate ballast is carried out, the control system controls to open a seabed tank injection valve, a ballast tank inlet valve, a self-priming ballast pump, a ballast pump outlet valve, a ballast pump to top pressure load main valve and a top pressure load injection and suction valve, seawater enters the inlet of the self-priming ballast pump through the seabed tank, the seabed tank injection valve and the ballast tank inlet valve, enters the top pressure load main pipe from the self-priming ballast pump outlet through the ballast pump outlet valve, a ballast pump outlet check valve and the ballast pump to the top pressure load main valve, then enters each top pressure load tank through the top ballast injection and suction valve and the top pressure load suction port, and the top ballast tank is accurately ballasted; when the top ballast tank is used for discharging loads, the control system controls to open a top pressure load injection and suction valve, a top pressure load to ballast pump inlet valve, a self-priming ballast pump, a ballast pump outlet valve and a ballast pump outboard valve, seawater enters the top pressure load main pipe from the top pressure load suction port through the top pressure load injection and suction valve, enters the self-priming ballast pump inlet through the top ballast to the ballast pump inlet valve, and then is discharged outboard through the self-priming ballast pump outlet valve, the ballast pump outlet check valve, an outboard check valve and a ballast pump outboard valve;

leveling in the ballasting process of each top ballast tank, wherein each ballast tank is provided with a liquid level sensor, four symmetrical corners of the net cage are provided with draft sensors, when the liquid level of a single ballast tank is too high or the draft sensors detect that the net cage inclines, the top ballast injection and suction valves of the ballast tank with larger ballast amount are automatically closed, the leveling of the net cage is realized by controlling the ballast amount, and after the leveling, the valves are continuously opened to carry out ballast with other tanks at the same time.

2. The deep ocean aquaculture cage ballast tilt adjustment system of claim 1, wherein the bottom ballast line further comprises: a main pipe ballast injection valve having one end connected to the subsea tank injection valve through a pipeline and the other end connected to the bottom ballast main pipe through a pipeline; the control system controls to open the seabed tank injection valve, the main pipe ballast injection valve and the bottom ballast suction port valve, seawater enters the bottom ballast main pipe through the seabed tank, the seabed tank injection valve and the main pipe ballast injection valve, and then enters each bottom ballast tank through the bottom ballast suction port valve and the bottom ballast suction port for ballasting.

3. The deep open sea aquaculture cage ballast tilt adjustment system of claim 1, wherein said control system controls opening of a subsea tank fill valve, a ballast tank inlet valve, a self-priming ballast pump, a ballast pump outlet valve, a ballast pump to bottom ballast main valve, a bottom ballast suction port valve; seawater enters the inlet of a self-priming ballast pump through a seabed tank, a seabed tank injection valve and a ballast tank inlet valve, enters a bottom ballast main pipe from a self-priming ballast pump outlet through a ballast pump outlet valve and a ballast pump to a bottom ballast main valve, and then enters each bottom ballast tank through a bottom ballast suction port valve and a bottom ballast suction port for accurate ballast.

4. The deep ocean farming cage ballast tilt adjustment system of claim 2, wherein the first pump compartment piping further comprises: a ballast pump outlet check valve disposed in correspondence with said ballast pump outlet valve and interposed between said ballast pump outlet valve and a ballast pump to bottom ballast main valve, said second pump tank line including: a second conduit connected into the first pump tank line and leading to the ballast pump outlet check valve, a ballast pump discharge outboard valve disposed on the second conduit, an outboard check valve disposed between the ballast pump discharge outboard valve and the ballast pump outlet check valve; the control system controls to open the bottom ballast suction port valve, the main pipe ballast injection valve, the ballast tank inlet valve, the self-priming ballast pump, the ballast pump outlet valve and the ballast pump outboard valve, seawater enters the bottom ballast main pipe through the bottom ballast suction port valve and the bottom ballast suction port valve, enters the inlet of the self-priming ballast pump through the main pipe ballast injection valve and the ballast tank inlet valve, and then is discharged outboard through the ballast pump outlet valve, the ballast pump outlet check valve, the outboard check valve and the ballast pump outboard valve through the outlet of the self-priming ballast pump.

5. The deep open sea aquaculture cage ballast tilt adjustment system of claim 4, further comprising: the system comprises a liquid level sensor and a plurality of draft sensors, wherein the liquid level sensor is arranged in each bottom ballast tank to detect the liquid level of the bottom ballast tank, and the draft sensors are symmetrically arranged at the corners of the bottom of the net cage and are used for detecting draft of the net cage; if the liquid level of a single bottom ballast tank is detected to be too high or the inclination of the net cage is detected in the ballasting process of the bottom ballast tank, closing a bottom ballast suction port valve in the bottom ballast tank with relatively large ballast capacity, controlling the net cage to be leveled, and opening the closed ballast suction port valve after leveling to carry out ballasting simultaneously with other bottom ballast tanks.

6. The deep open sea aquaculture net cage ballast inclination adjusting system according to claim 4, wherein if the top ballast tank water is discharged to the bottom ballast tank, the top ballast injection and suction valve, the top ballast to ballast pump inlet valve, the ballast tank inlet valve, the main pipe ballast injection valve and the bottom ballast suction valve are controlled to be opened, water in the top ballast tank is sucked through the top ballast suction port, enters the top ballast main pipe through the top ballast injection and suction valve, enters the bottom ballast main pipe through the top ballast to ballast pump inlet valve, the ballast tank inlet valve and the main pipe ballast injection valve, and is discharged to the bottom ballast tank through the bottom ballast suction port valve and the bottom ballast suction port;

7. The deep open sea aquaculture cage ballast tilt adjusting system according to claim 6, wherein a pump tank liquid level sensor is disposed in the pump tank for detecting whether water leaks from the pump tank pipeline, and the pump tank pipeline further comprises: a fifth pump compartment line, the fifth pump compartment line comprising: the pump cabin bottom suction valve, the self-suction ballast pump, the ballast pump outlet valve and the ballast pump outboard valve are controlled to be opened if water leakage of the pump cabin pipeline or water in the cabin body of the pump cabin is detected, water in the cabin body of the pump cabin is sucked into the inlet of the self-suction ballast pump through the pump cabin suction port and enters the inlet of the self-suction ballast pump through the pump cabin bottom suction valve, and then is discharged to the outside through the ballast pump outlet valve, the pump outlet check valve, the outboard check valve and the ballast pump outboard valve.

8. The deep open sea aquaculture cage ballast trim system of any one of claims 1 to 7, wherein the ballast tank further comprises: the ballast device comprises a bottom ballast compartment, a top ballast compartment and a plurality of upright ballast compartments, wherein the bottom ballast compartment is formed by a lower framework of a net cage in a separated mode and is provided with a plurality of independent watertight compartments, the top ballast compartment is formed by a lower framework of the net cage in a separated mode and is provided with a plurality of independent watertight compartments, the net cage is provided with a plurality of upright columns, the upright columns are arranged between the upper framework and the lower framework and are connected with the upper framework and the lower framework, the upright ballast compartments are formed by partial upright columns of the net cage in a separated mode and are provided with a plurality of independent watertight compartments, pump compartments are formed by partial upright columns of the net cage, a plurality of pump compartments are independent watertight compartments respectively, a bottom ballast main pipe penetrates through each bottom ballast compartment, a top ballast main pipe penetrates each top ballast compartment, and the ballast upright column compartments are provided with upright column pipelines leading to the bottom ballast main pipe, the column ballast line includes: the bottom ballast pipeline is matched with the bottom ballast tank, and the top ballast pipeline is matched with the top ballast tank.

9. The deep offshore aquaculture net cage ballast dumping adjusting system according to any one of claims 1 to 7, wherein each pump compartment is provided with a ballast pump, the net cage structural pipes are used as ballast compartments or pump compartments, the net cage structural pipes are divided into a plurality of symmetrical independent watertight compartments, the watertight compartments selected as pump compartments are used for installing ballast pumps and control boxes and are no longer used as ballast compartments, 4/a plurality of the ballast pumps are arranged in 4/a plurality of different watertight equipment compartments and are connected with the ballast compartments through pipelines and pneumatic valves, the 4 ballast pumps are connected with the ballast pipelines of the ballast compartments through two circularly communicated seawater main pipes, when 1 ballast pump fails, the other 3 ballast pumps continue to realize the ballast discharging work of all the compartments, and similarly, when at most 3 ballast pumps fail, the normal ballast dumping work can also be carried out, the equipment can be maintained in the normal ballast adjusting process; when a single pump fails, the top pressure loading main valve and the bottom pressure loading main valve are closed to maintain the pump.

10. The deep open sea aquaculture cage ballast tipple adjustment system according to claim 9, wherein said cage is a frame formed by connecting steel pipes, an upper frame, a lower frame, and a part of risers as ballast tanks, a plurality of evenly distributed risers as ballast tanks, and said ballast pumps are arranged at intermediate positions between said upper frame and said lower frame; the pump compartment and the ballast compartment are independent compartments and are connected through a steel structure, the pump compartment pipeline is connected with each compartment of the ballast compartment through the top pressure loading main pipe and the bottom pressure loading main pipe, and the ballast pumps and the pipelines thereof are connected in parallel through the top pressure loading main pipe or the bottom pressure loading main pipe.