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CN-117717045-B - Fish nondestructive conveying system and method

CN117717045BCN 117717045 BCN117717045 BCN 117717045BCN-117717045-B

Abstract

The invention belongs to the technical field of fish conveying, and discloses a fish nondestructive conveying system and a fish nondestructive conveying method. The fish nondestructive conveying system comprises a first fish conveying assembly, a second fish conveying assembly and a fish sucking and discharging driving assembly. In the process of sucking fish and discharging fish, the fish always flows in the first conveying component and the second conveying component, and can not contact with the fish sucking and discharging driving component, so that mechanical damage to the fish caused by operation of the pumping component is avoided, on the other hand, the fish sucking process and the fish discharging process are driven by water flow, but not vacuum fish sucking, the first conveying component and the second conveying component are not deformed, the fish is prevented from being injured due to collision with the inner wall of the first conveying component or the second conveying component, meanwhile, the water flow driving and pressure conduction effects are good, and the increase of conveying distance and conveying height are facilitated.

Inventors

  • LIANG YONGKANG
  • DUAN ZHONGBING
  • CAI XIAOMEI

Assignees

  • 中船黄埔文冲船舶有限公司

Dates

Publication Date
20260505
Application Date
20240116

Claims (9)

  1. 1. A fish non-destructive conveyor system, comprising: The first fish conveying assembly comprises a first fish inlet pipe (4), a first fish storage assembly and a first fish outlet pipe (8), wherein a first fish inlet valve (3) is arranged on the first fish inlet pipe (4), a first fish outlet valve (10) is arranged on the first fish outlet pipe (8), the inlet end of the first fish storage assembly is connected with the first fish inlet pipe (4), and the outlet end of the first fish storage assembly is connected with the first fish outlet pipe (8); The second fish conveying assembly comprises a second fish inlet pipe (28), a second fish storage assembly and a second fish outlet pipe (32), wherein a second fish inlet valve (27) is arranged on the second fish inlet pipe (28), a second fish outlet valve (34) is arranged on the second fish outlet pipe (32), the inlet end of the second fish storage assembly is connected with the second fish inlet pipe (28), and the outlet end of the second fish storage assembly is connected with the second fish outlet pipe (32); The fish sucking and discharging driving assembly comprises a first water suction pipe (17), a first water flushing pipe (26), a second water suction pipe (39), a second water flushing pipe (48) and a pumping assembly, the inlet end of the first water suction pipe (17) is connected with the first fish outlet pipe (8), and is positioned upstream of the first fish outlet valve (10), the inlet end of the second water pumping pipe (39) is connected with the second fish outlet pipe (32), and is positioned at the upstream of the second fish outlet valve (34), the inlet end of the first water suction pipe (17) and the inlet end of the second water suction pipe (39) are both provided with fish blocking water passing pieces, a first water pumping valve (13) is arranged on the first water pumping pipe (17), a second water pumping valve (35) is arranged on the second water pumping pipe (39), the outlet end of the first water suction pipe (17) and the outlet end of the second water suction pipe (39) are connected with the pumping assembly, the inlet end of the first flushing pipe (26) and the inlet end of the second flushing pipe (48) are connected with the pumping assembly, the outlet end of the first flushing pipe (26) is connected with the first fish inlet pipe (4), the outlet end of the second flushing pipe (48) is connected with the second fish inlet pipe (28), the first flushing pipe (26) is provided with a first flushing valve (25), and the second flushing pipe (48) is provided with a second flushing valve (47); The pumping assembly comprises a first pump pipe (21), a second pump pipe (43), a first delivery pump (22), a second delivery pump (44), a first communication pipe (49) and a second communication pipe (50), wherein the first delivery pump (22) is arranged on the first pump pipe (21), the second delivery pump (44) is arranged on the second pump pipe (43), one end of the first communication pipe (49) is connected to the first pump pipe (21) upstream of the first delivery pump (22), the other end of the first communication pipe (49) is connected to the second pump pipe (43) upstream of the second delivery pump (44), one end of the second communication pipe (50) is connected to the first pump pipe (21) downstream of the first delivery pump (22), and the other end of the second communication pipe (50) is connected to the second pump pipe (43) downstream of the second delivery pump (44); The first water suction pipe (17) is connected to the first pump pipe (21) upstream of the first delivery pump (22), the first water flushing pipe (26) is connected to the first pump pipe (21) downstream of the first delivery pump (22), the second water suction pipe (39) is connected to the second pump pipe (43) upstream of the second delivery pump (44), and the second water flushing pipe (48) is connected to the second pump pipe (43) downstream of the second delivery pump (44).
  2. 2. The fish non-destructive transfer system of claim 1, further comprising a fish intake tee (2), the fish intake tee (2) comprising a first joint, a second joint, and a third joint in communication with each other, the first fish intake pipe (4) being connected to the first joint, the second fish intake pipe (28) being connected to the second joint, an outlet end of the first wash pipe (26) being downstream of the first fish intake valve (3), an outlet end of the second wash pipe (48) being downstream of the second fish intake valve (27).
  3. 3. A fish non-destructive transfer system according to claim 1, wherein said first fish storage assembly comprises a first spiral pipe (7), said first spiral pipe (7) extending helically from its upper end towards its lower end, thereby forming a plurality of turns of a first spiral section arranged from top to bottom, the upper end of said first spiral pipe (7) being connected to said first fish intake pipe (4), the lower end of said first spiral pipe (7) being connected to said first fish discharge pipe (8), and/or, The second fish storage assembly comprises a second spiral pipe (31), the second spiral pipe (31) extends from the upper end to the lower end of the second spiral pipe in a spiral mode, so that a plurality of circles of second spiral sections which are distributed downwards from top to bottom are formed, the upper end of the second spiral pipe (31) is connected with the second fish inlet pipe (28), and the lower end of the second spiral pipe (31) is connected with the second fish outlet pipe (32).
  4. 4. A fish non-destructive transmission system according to claim 3, wherein the fish suction and discharge drive assembly further comprises a plurality of first branch pipes (18), one end of each first branch pipe (18) is connected to the corresponding first spiral section, the other end is connected to the inlet end of the pumping assembly, the inlet ends of the first branch pipes (18) are provided with first grids, the first branch pipes (18) are provided with first branch valves (14), the fish suction and discharge drive assembly further comprises a plurality of second branch pipes (40), one end of each second branch pipe (40) is connected to the corresponding second spiral section, the other end of each second branch pipe is connected to the inlet end of the pumping assembly, the inlet ends of the second branch pipes (40) are provided with second grids, and the second branch pipes (40) are provided with second branch valves (36).
  5. 5. A fish non-destructive conveyor system according to claim 3, wherein the first fish storage assembly further comprises a first check pipe (5) and a first flap check grid (6), one end of the first check pipe (5) being connected to the first fish feed pipe (4) and the other end being connected to the upper end of the first spiral pipe (7), the first flap check grid (6) being arranged in the first check pipe (5) and/or, The second fish storage assembly further comprises a second check pipe (29) and a second turning plate type check grid (30), one end of the second check pipe (29) is connected with the second fish inlet pipe (28), the other end of the second check pipe is connected with the upper end of the second spiral pipe (31), and the second turning plate type check grid (30) is arranged in the second check pipe (29).
  6. 6. The fish non-destructive transfer system of claim 5, wherein the first fish feed pipe (4), the first return pipe (5), the first helical pipe (7) and the first fish discharge pipe (8) have the same inner diameter, and the second fish feed pipe (28), the second return pipe (29), the second helical pipe (31) and the second fish discharge pipe (32) have the same inner diameter.
  7. 7. The fish non-destructive transfer system of claim 5, wherein the inner walls of the first fish feed pipe (4), the first return pipe (5), the first spiral pipe (7) and the first fish discharge pipe (8) are each provided with a first flexible buffer layer, and the inner walls of the second fish feed pipe (28), the second return pipe (29), the second spiral pipe (31) and the second fish discharge pipe (32) are each provided with a second flexible buffer layer.
  8. 8. A method for the non-destructive transportation of fish, characterized in that it is carried out on the basis of a non-destructive transportation system for fish according to any one of claims 1-7, comprising the steps of: S1, the first fish inlet valve (3) and the second fish outlet valve (34) are opened, the second fish inlet valve (27) and the first fish outlet valve (10) are closed, the second water pumping valve (35) is closed, the first water pumping valve (13) is opened, the first flushing valve (25) is closed, and the second flushing valve (47) is opened; s2, starting the pumping assembly, storing the fish in the first fish storage assembly, discharging the fish in the second fish storage assembly, and stopping the pumping assembly; s3, the first fish inlet valve (3) and the second fish outlet valve (34) are closed, the second fish inlet valve (27) and the first fish outlet valve (10) are opened, the first water pumping valve (13) is closed, the second water pumping valve (35) is opened, the second flushing valve (47) is closed, and the first flushing valve (25) is opened; s4, starting the pumping assembly, storing the fish in the second fish storage assembly, discharging the fish in the first fish storage assembly, and stopping the pumping assembly; s5, circulating the steps S1-S4.
  9. 9. The fish non-destructive transfer method according to claim 8, wherein the fish non-destructive transfer system further comprises a fish feeding tee (2), the fish feeding tee (2) comprising a first joint, a second joint and a third joint in communication with each other, the first fish feeding pipe (4) being connected to the first joint, the second fish feeding pipe (28) being connected to the second joint, the outlet end of the first flushing pipe (26) being located downstream of the first fish feeding valve (3), the outlet end of the second flushing pipe (48) being located downstream of the second fish feeding valve (27); The fish nondestructive conveying method further comprises the following steps after the step S2 and before the step S3: S6, the second fish outlet valve (34) and the first fish outlet valve (10) are closed, the second fish inlet valve (27) and the first fish inlet valve (3) are opened, the second water pumping valve (35) is opened, the first water pumping valve (13) is closed, the second flushing valve (47) is closed, the first flushing valve (25) is opened, S7, starting the pumping assembly, enabling the fish at the first fish inlet valve (3) to enter the second fish storage assembly, and stopping the pumping assembly; The fish nondestructive conveying method further comprises the following steps after the step S4 and before the step S1: s8, the second fish outlet valve (34) and the first fish outlet valve (10) are closed, the second fish inlet valve (27) and the first fish inlet valve (3) are opened, the second water pumping valve (35) is closed, the first water pumping valve (13) is opened, the first flushing valve (25) is closed, and the second flushing valve (47) is opened; S9, starting the pumping assembly, enabling the fish at the second fish inlet valve (27) to enter the first fish storage assembly, and stopping the pumping assembly.

Description

Fish nondestructive conveying system and method Technical Field The invention relates to the technical field of fish conveying, in particular to a fish nondestructive conveying system and a fish nondestructive conveying method. Background In fishing operations, there is a general fishing method in which fish is caught by a fishing net or sucked by a suction pump. At present, the principle of the fish suction pump mainly comprises an impeller type fish suction pump, a vacuum type fish suction pump and a jet pump type fish suction pump. The impeller type fish sucking pump is similar to a centrifugal water pump in principle, a certain vacuum suction force is formed at the inlet of the pump by rotating the impeller of the pump, fish water is sucked in by the impeller, the fish water is enabled to rotate along with the impeller, the fish water leaves the impeller along the centrifugal force direction and is discharged out of the pump, the vacuum fish sucking pump is used for sucking fish into a tank by pumping the fish tank into a certain vacuum, and the fish water is output through a drainage pipeline after water or air is injected into the fish tank. The vacuum type fish sucking pump has high sucking force, and the fish in the vacuum type fish sucking pump has great flow channel shape change to damage the fish during the fish in and out of the fish tank. Disclosure of Invention An object of the present invention is to provide a fish nondestructive conveying system which can realize continuous conveying of fish without damaging the fish, and is advantageous for increasing conveying distance and conveying height. To achieve the purpose, the invention adopts the following technical scheme: a fish non-destructive delivery system comprising: the first fish conveying assembly comprises a first fish inlet pipe, a first fish storage assembly and a first fish outlet pipe, wherein a first fish inlet valve is arranged on the first fish inlet pipe, a first fish outlet valve is arranged on the first fish outlet pipe, the inlet end of the first fish storage assembly is connected with the first fish inlet pipe, and the outlet end of the first fish storage assembly is connected with the first fish outlet pipe; The second fish conveying assembly comprises a second fish inlet pipe, a second fish storage assembly and a second fish outlet pipe, wherein a second fish inlet valve is arranged on the second fish inlet pipe, a second fish outlet valve is arranged on the second fish outlet pipe, the inlet end of the second fish storage assembly is connected with the second fish inlet pipe, and the outlet end of the second fish storage assembly is connected with the second fish outlet pipe; the fish sucking and discharging driving assembly comprises a first water suction pipe, a first flushing pipe, a second water suction pipe, a second flushing pipe and a pumping assembly, wherein the inlet end of the first water suction pipe is connected with the first fish discharging pipe and is positioned at the upstream of the first fish discharging valve, the inlet end of the second water suction pipe is connected with the second fish discharging pipe and is positioned at the upstream of the second fish discharging valve, the inlet end of the first water suction pipe and the inlet end of the second water suction pipe are respectively provided with a fish blocking water part, the first water suction pipe is provided with a first water suction valve, the second water suction pipe is provided with a second water suction valve, the outlet end of the first water suction pipe and the outlet end of the second water suction pipe are respectively connected with the pumping assembly, the inlet end of the first flushing pipe and the inlet end of the second flushing pipe are respectively connected with the pumping assembly, the outlet end of the first flushing pipe is connected with the first fish feeding pipe, the outlet end of the second flushing pipe is connected with the second water suction pipe is provided with the first water flushing pipe, and the second water inlet valve is arranged on the first water flushing pipe. As an optional embodiment of the fish nondestructive conveying system, the fish nondestructive conveying system further comprises a fish feeding tee joint, wherein the fish feeding tee joint comprises a first joint, a second joint and a third joint which are mutually communicated, the first fish feeding pipe is connected with the first joint, the second fish feeding pipe is connected with the second joint, the outlet end of the first water flushing pipe is positioned at the downstream of the first fish feeding valve, and the outlet end of the second water flushing pipe is positioned at the downstream of the second fish feeding valve. As an alternative embodiment of the fish non-destructive transfer system, the pumping assembly comprises a first pump pipe, a second pump pipe, a first transfer pump, a second transfer pump, a first communic