CN112173720A

CN112173720A - Draining and conveying system for catch

Info

Publication number: CN112173720A
Application number: CN201910593387.9A
Authority: CN
Inventors: 池炼; 王志; 谢宁
Original assignee: Shanghai Hechuang Ship Engineering Co ltd
Current assignee: Shanghai Hechuang Ship Engineering Co ltd
Priority date: 2019-07-03
Filing date: 2019-07-03
Publication date: 2021-01-05
Anticipated expiration: 2039-07-03
Also published as: CN112173720B

Abstract

The invention relates to a draining and conveying system for fishery products, wherein the fishery products enter a first spiral draining conveyor from a product inlet, the first spiral draining conveyor drains seawater brought by the fishery products from sea, then the first spiral draining conveyor conveys the fishery products into a cold sea water cabin for precooling treatment, a vacuum tank is pumped to a negative pressure state through an air compressor, a first channel is unblocked, the fishery products in the cold sea water cabin can be sucked into the vacuum tank, then the first channel is closed, a second channel is opened, the vacuum tank is pressurized through the air compressor, so that the fishery products in the vacuum tank are conveyed into a second spiral draining conveyor, and the second spiral draining conveyor outputs the fishery products from a product outlet to a subsequent process after the seawater brought by the fishery products from the cold sea water cabin. Therefore, the draining and conveying system for the fishery catch is simple in structure and convenient to operate.

Description

Draining and conveying system for catch

Technical Field

The invention relates to a draining and conveying system for fish catches, in particular to a system for draining and conveying the fish catches by ocean fishing.

Background

A series of work of fishing the catch object to a fishing boat, separating the catch object from water, conveying the catch object to a cold seawater cabin, taking out the catch object from the cabin, conveying the catch object to a processing line for processing or storing and the like is the most conventional operation process of the fishing boat.

Different fishing boats, different fishing goods, different crewman operation habits and different requirements for processes such as separation, transport and processing are different. Each fishing boat has a set of operation flow most suitable for the fishing boat and a corresponding setting system.

Efficiency, crew labor intensity, fish quality, and the simplest equipment systems are among the most concerned by the crew owner and the fishing vessel design organization, and are one of the reasons for constantly optimizing these systems.

By taking an antarctic krill ship as an example, how to efficiently convey the krill, how to efficiently separate the krill from the water, how to reduce the labor intensity of crew, how to protect the krill and reduce the damage of the krill in the process as much as possible, how to design the simplest and most reasonable equipment system and the like become one of important bases for designing the fishing boat and selecting the equipment system. A draining double-shaft screw conveyor is described in chinese utility model with application number CN201420761276.7, which can drain while screw-conveying materials, and a draining conveying device similar to this device is also called as a screw draining conveyor in the prior art.

The fishing boat in the prior art has a system structure for draining and conveying the fish catches, which is not simple and reasonable enough, so that the operation of crew is inconvenient.

Disclosure of Invention

In view of the above-mentioned disadvantages of the prior art, the present invention provides a draining and conveying system for fish catch, which has a simple structure and is convenient to operate.

In order to achieve the purpose, the invention provides a draining and conveying system for fish catches, which adopts the following technical scheme: a draining and conveying system for fisheries comprises a first spiral draining conveyor, a spiral conveyor, a cold seawater cabin, a vacuum tank and a second spiral draining conveyor;

the first spiral draining conveyor is provided with an inlet, the fish catch and the seawater enter the first spiral draining conveyor from the inlet, the first spiral draining conveyor drains the seawater and then conveys the fish catch to the spiral conveyor, and the spiral conveyor conveys the fish catch to the cold seawater cabin;

the vacuum tank is connected with the cold seawater cabin through a first channel, the vacuum tank is connected with a second spiral draining conveyor through a second channel, the second spiral draining conveyor is provided with an outlet, the second channel is connected with the second spiral draining conveyor, and the second spiral draining conveyor drains seawater and then outputs the fishery products from the outlet;

the vacuum tank is connected with the air compressor, and the air compressor machine is used for sucking the vacuum tank to negative pressure state or pressurize to the malleation state.

Preferably, a first control valve is arranged on the first channel, and a second control valve is arranged on the second channel.

Preferably, the outlet is connected with a buffer tank, a branch channel is further arranged between the vacuum tank and the buffer tank, a buffer joint and a branch control valve are arranged on the branch channel, and the buffer joint is located between the branch control valve and the buffer tank.

Preferably, the second auger draining conveyor is connected with a sea water storage tank, and the second auger draining conveyor drains the sea water into the sea water storage tank.

More preferably, a first water return pipe is connected between the seawater storage tank and the cold seawater cabin, and a first water return pump is connected to the first water return pipe.

Furthermore, a flow regulating valve is arranged on the first water return pipe.

Further, an outboard exhaust valve is connected to the first water return pipe.

More preferably, the outlet is connected with a buffer tank, a second water return pipe is connected between the buffer tank and the seawater storage tank, and a second water return pump is connected to the second water return pipe.

Preferably, a plurality of cold seawater tanks are connected to the screw conveyor.

Preferably, a silencer is connected to the air compressor.

As mentioned above, the draining and conveying system for the fishery catch has the following beneficial effects: when the draining and conveying system for the fishery catch objects is used for operation, the fishery catch objects enter the first spiral draining and conveying device from the object inlet, the first spiral draining and conveying device drains seawater brought out of the sea by the fishery catch objects, then the fishery catch objects are conveyed to the cold seawater cabin by the spiral conveying device for precooling, the vacuum tank is pumped to a negative pressure state through the air compressor, the first channel is unblocked, the fishery catch objects in the cold seawater cabin can be sucked into the vacuum tank, then the first channel is closed, the second channel is opened, the vacuum tank is pressurized through the air compressor, so that the fishery catch objects in the vacuum tank are conveyed to the second spiral draining and conveying device, and the second spiral draining and conveying device outputs the fishery catch objects to a subsequent process from the object outlet after the fishery catch objects are brought out of the cold seawater cabin. Therefore, the draining and conveying system for the fishery catch is simple in structure and convenient to operate.

Drawings

FIG. 1 shows a schematic of a fishing object dewatering delivery system of the present invention.

Description of the element reference numerals

1 first spiral draining conveyer

2 spiral conveyer

3 Cold seawater cabin

4 vacuum tank

5 second spiral draining conveyer

6 inlet

7 outlet

8 first channel

9 second channel

10 air compressor

11 first control valve

12 second control valve

13 buffer tank

14 branch channel

15 buffer joint

16-branch control valve

17 seawater storage tank

18 first water return pipe

19 first water return pump

20 flow control valve

21-row outboard valve

22 second water return pipe

23 second water return pump

24 silencer

25 shrimp inlet valve

26 enter jar valve

27 suction pressure valve

28 spare gas valve

29 water return valve

30-branch connecting pipe

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.

It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions under which the present invention can be implemented, so that the present invention has no technical significance, and any structural modification, ratio relationship change, or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.

As shown in figure 1, the invention provides a draining and conveying system for fisheries, which comprises a first spiral draining conveyor 1, a spiral conveyor 2, a cold seawater cabin 3, a vacuum tank 4 and a second spiral draining conveyor 5;

the first spiral draining conveyor 1 is provided with an inlet 6, the fishery products and the seawater enter the first spiral draining conveyor 1 from the inlet 6, the first spiral draining conveyor 1 drains the seawater and then conveys the fishery products to the spiral conveyor 2, and the spiral conveyor 2 conveys the fishery products to the cold seawater cabin 3;

the vacuum tank 4 is connected with the cold seawater cabin 3 through a first channel 8, the vacuum tank 4 is connected with a second spiral draining conveyer 5 through a second channel 9, the second spiral draining conveyer 5 is provided with an outlet 7, the second channel 9 is connected with the second spiral draining conveyer 5, and after seawater is drained by the second spiral draining conveyer 5, fish catches are output from the outlet 7;

the vacuum tank 4 is connected to an air compressor 10, and the air compressor 10 is used for pumping the vacuum tank 4 to a negative pressure state or pressurizing high-pressure gas into the vacuum tank 4 to pressurize the vacuum tank 4 to a positive pressure state.

When the draining and conveying system for the fishery catch works, the fishery catch enters the first spiral draining and conveying device 1 from the object inlet 6, the first spiral draining and conveying device 1 drains seawater carried by the fishery catch from sea, then the fishery catch is conveyed to the cold seawater cabin 3 by the spiral conveying device 2 for precooling, the vacuum tank 4 is pumped to a negative pressure state by the air compressor 10 and the first passage 8 is opened so that the catch in the cold seawater compartment 3 can be sucked into the vacuum tank 4, then the first passage 8 is closed and the second passage 9 is opened, the vacuum tank 4 is pressurized by the air compressor 10 to generate positive pressure in the vacuum tank 4, so that the fish catch in the vacuum tank 4 is transferred to the second spiral draining conveyor 5, and the second spiral draining conveyor 5 drains the fish catch from the sea water brought out from the cold sea water tank 3 and then outputs the fish catch from the outlet 7 to the subsequent processes. Therefore, the draining and conveying system for the fishery catch is simple in structure and convenient to operate.

Although the following description mainly describes the fishing object draining and conveying system of the present invention with fish or shrimp fishing objects, this exemplary description is not intended to limit the use of the fishing object draining and conveying system of the present invention, and those skilled in the art will be able to understand without exception that the fishing object draining and conveying system of the present invention can be used for draining and conveying relatively small-sized fishing objects. In a fishing object draining and conveying system of the invention, the spiral draining conveyor and the buffer joint are existing equipment in fishing boat equipment, and the English names of the spiral draining conveyor and the buffer joint are respectively water screen conveyor and outlet unit with rubber flaps.

As shown in fig. 1, a fishing object draining and conveying system according to the present invention may have two or more first screw draining conveyors 1, two or more screw conveyors 2, each screw conveyor 2 may be connected to two or more cold seawater compartments 3, a shrimp inlet valve 25 is provided on each screw conveyor 2, at least one shrimp inlet valve 25 is provided in each cold seawater compartment 3, and fishing objects output from the screw conveyors 2 flow into the cold seawater compartments 3 through the shrimp inlet valves 25. The first and second spiral draining conveyors 1 and 5 have not only a draining function but also a function of transferring the fish catch, and the first and second spiral draining conveyors 1 and 5 have a spiral transferring mechanism similar to the spiral transferring conveyor 2 for transferring the fish catch. The first spiral draining conveyor 1 and the second spiral draining conveyor 5 are used for carrying out shrimp water separation on shrimp water mixture, meanwhile, the functions of conveying fish catches such as fishes and shrimps are achieved through spiral pushing operation, the spiral conveyors 2 are used for conveying the separated fish catches, and the fish catches are conveyed to the cold sea water tank 3 to be stored or to the buffer tank 13 to enter a processing line.

In order to facilitate the control of the flow of the catch from the cold seawater compartment 3 into the vacuum tank 4, as a preferred embodiment, as shown in fig. 1, a first control valve 11 is arranged on the first channel 8, the first channel 8 is connected with each cold seawater compartment 3 through a branch connecting pipe, a first control valve 11 is arranged on each branch connecting pipe, and a second control valve 12 is arranged on the second channel 9; when the vacuum tank 4 needs to suck the fish catch from the cold seawater cabin 3, the first control valve 11 and the tank inlet valve 26 are opened, the second control valve 12 and the branch control valve 16 are closed, then the vacuum tank 4 is pumped to a negative pressure state by the air compressor 10, and then the fish catch and the cold seawater in the cold seawater cabin 3 flow into the vacuum tank 4 from the first control valve 11 through the first channel 8; if the fish in the vacuum tank 4 needs to be conveyed to the second spiral draining conveyor 5, the first control valve 11 and the tank inlet valve 26 are closed, the second control valve 12 is opened or the branch control valve 16 is opened, the vacuum tank 4 is pressurized by the air compressor 10, the fish and cold sea water in the vacuum tank 4 flow into the second spiral draining conveyor 5 through the second channel 9 under the action of positive pressure, and the second spiral draining conveyor 5 drains the cold sea water and conveys the fish downstream. In this way, the vacuum tank 4 is sucked or pressurized by the air compressor 10, so that positive pressure and negative pressure are alternately formed inside the vacuum tank 4, the catch in the cold seawater compartment 3 is sucked into the vacuum tank 4 through the first passage 8 when the vacuum tank 4 is under negative pressure, the catch in the vacuum tank 4 is discharged when the vacuum tank 4 is under positive pressure, the process is repeatedly and alternately carried out, and the catch is conveyed from the cold seawater compartment 3 to the processing line by the vacuum pump. The catch is pumped out from the cold seawater cabin 3 in a vacuum pumping mode and conveyed to the processing line, so that the damage of the traditional impeller to the catch is avoided, and the amount of the pumped catch can be conveniently adjusted as required.

As a preferred embodiment, as shown in fig. 1, the first passage 8 has a plurality of branch connection pipes 30, each branch connection pipe 30 is connected to one cold seawater compartment 3, and each branch connection pipe 30 is provided with a first control valve 11.

In order to reduce the noise that air compressor machine 10 produced, provide better operation environment for the operation personnel, as shown in fig. 1, be connected with muffler 24 on the air compressor machine 10, muffler 24 sets up the air current business turn over mouth department of being connected at air compressor machine 10 and external to in to the air current amortization of business turn over air compressor machine, the muffler still has the function of moisture in the exhaust air, moisture in the air current can condense into liquid and discharge when passing through the muffler.

As shown in fig. 1, a buffer tank 13 is connected to the discharge port 7, a branch passage 14 is further provided between the vacuum tank 4 and the buffer tank 13, a buffer joint 15 and a branch control valve 16 are provided on the branch passage 14, and the buffer joint 15 is located between the branch control valve 16 and the buffer tank 13. The buffer tank 13 is used for containing the fish catch output from the second spiral draining conveyor 5, the branch control valve 16 and the buffer joint 15 are used for pumping fish, when fish are in the cold sea chamber, the air compressor 10 is started in a pressure discharge state, the tank inlet valve 26 and the second control valve 12 are closed, the branch control valve 16 is opened, at the moment, the air compressor 10 pressurizes the vacuum tank 4, under the action of positive pressure, the fish are pressed out of the vacuum tank 4, the fish pass through the branch control valve 16, the buffer joint 15 and the buffer tank 13, and the larger fish catch, such as the fish, fall into the buffer tank 13 under the action of gravity through the buffer joint 15. The ship is a fishery ship, but in order to ensure that the fishes can still be caught and processed later, the design is the function left for catching the fishes by the ship in the future.

The cold seawater in the cold seawater cabin 3 is used for pre-cooling the fish catch, and in order to save energy and improve the utilization efficiency of the cold seawater, as shown in fig. 1, the second spiral draining conveyor 5 is connected with a seawater storage tank 17, and the second spiral draining conveyor 5 drains the seawater into the seawater storage tank 17. The cold seawater in the seawater storage tank 17 may be recycled to the cold seawater compartment 3 for recycling. As shown in fig. 1, a first return pipe 18 is connected between the seawater storage tank 17 and the cold seawater tank 3, and a first return pump 19 is connected to the first return pipe 18. When the amount of cold seawater stored in the seawater storage tank 17 reaches a certain amount, the first water return pump 19 is turned on to recover the cold seawater in the seawater storage tank 17 to the cold seawater compartment 3. (ii) a An outboard discharge valve 21 is connected to the first return pipe 18, and the outboard discharge valve 21 can discharge the seawater in the first return pipe 18 to the outside of the ship board, if necessary. More preferably, a second water return pipe 22 is connected between the buffer tank 13 and the seawater storage tank 17, a second water return pump 23 is connected to the second water return pipe 22, and when the amount of seawater in the buffer tank 13 reaches a certain amount, the second water return pump 23 pumps the seawater in the buffer tank 13 to the seawater storage tank 17.

In order to prevent shrimp water from overflowing from the first and second spiral draining conveyors 1 and 5, the first and second spiral draining conveyors 1 and 5 are of closed structures except for the inlet and the outlet. The draining and conveying system for the catch can be also provided with an automatic control device, the control device controls the movement of the first spiral draining conveyer 1, the second spiral draining conveyer 5 and the spiral conveyer 2 and the opening and closing of the valve piece, the full automation and the intellectualization of the whole device are realized, the draining and conveying efficiency of the catch is improved, the labor cost is saved, and the error risk caused by manual operation is avoided. The first spiral draining conveyor 1 can be further provided with a sensor, an emergency outboard draining system is adopted, when an emergency situation occurs, the sensor sends a signal to the control device, and the control device starts the emergency outboard draining system to directly drain the fishing goods and water in the first spiral draining conveyor 1 to the outboard, so that conditions and technical support are provided for the arrangement of the first spiral draining conveyor 1 in the cabin. In order to facilitate control and prevent pollution, all the valve pieces are pneumatic remote control valves, an automatic control system is designed, damage of the valve pieces to the catch is reduced, the pneumatic remote control valves can avoid pollution of the valve pieces to the catch, and other hydraulic drives or electric drives are possible to pollute the catch. The whole system can be arranged in the cabin, so that the requirement of the working environment on equipment is reduced, and the inspection and the maintenance are convenient.

In the fishing object draining and conveying system, a plurality of vacuum tanks 4 can be arranged between the cold seawater cabin and the second spiral draining conveyor 5 or the buffer tank 13 to generate larger suction and capacity, one or more air compressors 10 can be arranged on the vacuum tanks 4, the vacuum tanks 4 can be particularly arranged according to actual load requirements, one part of the air compressors 10 can be used for sucking the vacuum tanks 4, and the other part of the air compressors 10 can be used for pressurizing the vacuum tanks 4; one part of the air compressor can be used as a common air compressor, the other part of the air compressor can be used as a standby air compressor, the function of pressurizing or sucking the vacuum tank 4 by using the air compressor can be realized by using a pipeline connection mode or the control of a system on the suction pressure state of the air compressor, and the functions are not listed.

The operation of the fishing object draining and conveying system of the present invention will be described with reference to fig. 1:

1. the shrimp water mixture enters from an inlet 6 of the first spiral draining conveyor 1, after draining, seawater is discharged from a draining port of the first spiral draining conveyor 1, and the catch is spirally pushed into the spiral conveyor 2; the shrimp inlet valve 25 is opened and closed to allow the fish catch to be transferred to the corresponding cold seawater compartment 3.

2. The catch is sucked out from the cold seawater cabin 3 by vacuum pump suction, mainly utilizing two instantaneous states of suction and pressure discharge.

2.1 suction State

The air compressor 10 is started, the suction pressure valve 27 is opened, the first control valve 11, the tank inlet valve 26, the second control valve 12 and the branch control valve 16 are closed, the air compressor 10 sucks the vacuum tank 4 to enable the vacuum tank 4 to form vacuum negative pressure, then the first control valve 11 and the tank inlet valve 26 are opened, and under the action of the negative pressure, the fisheries and water are pumped from the cold seawater cabin 3 into the vacuum tank 4.

2.2 pressure relief State

The air compressor 10 is started, the tank inlet valve 26 and the branch control valve 16 are closed, the second control valve 12 is opened, at the moment, the air compressor 10 pressurizes the vacuum tank 4, the fishery catch is pressed out of the vacuum tank 4 under the action of positive pressure, and the fishery catch enters the second spiral draining conveyor 5 through the second control valve 12 and the pipeline;

3. the catch and water are drained and conveyed out of the second spiral draining conveyor 5, enter the buffer tank 13 and then enter a subsequent processing line. The buffer joint 15 is a device which can eliminate air and pressure in the shrimp water, and prevents the shrimp water from rushing into the buffer tank 13 at a very high flow rate; normally, the back-up valve 28 is normally closed and is opened when needed. The air sucked/discharged by the air compressor 10 is sucked/discharged through the muffler 24.

4. When the seawater in the buffer tank 13 reaches a certain amount, the second water return pump 23 is automatically started to pump the seawater to the seawater storage tank, the seawater drained by the second spiral draining conveyor 5 is also stored in the seawater storage tank, and when the seawater in the seawater storage tank reaches a certain amount, the first water return pump 19 is automatically started to pump the seawater back to the cold seawater tank 3. The return valve 29 corresponding to the cold seawater compartment 3 is opened as required. When the backwater is not needed, the outboard discharge valve 21 is opened to directly discharge the seawater outboard.

The draining and conveying system for the catch can meet the requirements of a south pole catch ship on efficient shrimp-water separation, quick and stable conveying, low-intensity labor tasks and obtaining of high-quality catch.

Based on the technical scheme of the embodiment, the fishing object draining and conveying system can be used for conveniently, intelligently and automatically draining and conveying the fishing objects, is simple in structure and convenient to use, combines the conveying and draining functions, saves the equipment arrangement space, can save the use of cold seawater, and reduces the refrigeration burden of the cold seawater cabin 3 on the seawater.

In conclusion, the present invention effectively overcomes various disadvantages of the prior art and has high industrial utilization value.

The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. A draining and conveying system for fishery catch objects is characterized by comprising a first spiral draining conveyer, a spiral conveyer, a cold seawater cabin, a vacuum tank and a second spiral draining conveyer;

2. The fishing dip delivery system of claim 1, wherein: and a first control valve is arranged on the first channel, and a second control valve is arranged on the second channel.

3. The fishing dip delivery system of claim 1, wherein: the discharge opening is connected with a buffer tank, a branch channel is further arranged between the vacuum tank and the buffer tank, a buffer joint and a branch control valve are arranged on the branch channel, and the buffer joint is located between the branch control valve and the buffer tank.

4. The fishing dip delivery system of claim 1, wherein: the second spiral draining conveyor is connected with a seawater storage tank, and the second spiral draining conveyor drains seawater into the seawater storage tank.

5. The fishing dip delivery system of claim 4, wherein: a first water return pipe is connected between the seawater storage tank and the cold seawater cabin, and a first water return pump is connected to the first water return pipe.

6. The fishing dip delivery system of claim 5, wherein: and the first water return pipe is connected with an outboard exhaust valve.

7. The fishing dip delivery system of claim 4, wherein: the material outlet is connected with a buffer tank, a second water return pipe is connected between the buffer tank and the seawater storage tank, and a second water return pump is connected to the second water return pipe.

8. The fishing dip delivery system of claim 1, wherein: the screw conveyor is connected with a plurality of cold seawater cabins.

9. The fishing dip delivery system of claim 1, wherein: and the air compressor is connected with a silencer.