Automatic fish sucking system adopting industrial pump and working method thereof
Technical Field
The invention relates to a fish sucking device, in particular to an automatic fish sucking system adopting an industrial pump and a working method thereof.
Background
The fish sucking pump has the advantages of high mechanical automation degree, high working efficiency, low labor intensity and the like, is important mechanized equipment in the fish catching and conveying process, and has huge market potential and development space especially in large deepwater net cage culture and ocean fishing.
At present, three types of common fish sucking pumps are mainly used at home and abroad: centrifugal, vacuum, and jet. The centrifugal fish pump has the advantages of relatively higher working efficiency, special requirements on the structural type of the pump, and high fish damage rate due to the mechanical cutting action of the impeller; the vacuum type fish sucking pump has the advantages of no damage to fish bodies, relatively low working efficiency and small fish sucking time adjustment degree; the jet type fish pump has high energy consumption and lower efficiency than the vacuum type fish pump, so the application is less.
Therefore, how to simultaneously ensure the damage-free fish body and greatly improve the working efficiency of the fish suction pump becomes a technical problem to be solved in the field.
Disclosure of Invention
The purpose of the invention is that: the automatic fish sucking system adopting the industrial pump and the working method thereof have the advantages of a centrifugal fish sucking pump and a vacuum fish sucking pump, ensure that fish bodies are not damaged and greatly improve the working efficiency of the fish sucking pump.
The invention adopts the following technical scheme:
an automatic fish sucking system adopting an industrial pump comprises the industrial pump 4, a fish collecting barrel 2 and an auxiliary water tank 8; the fish collecting barrel 2 is a closed box body, the fish sucking pipe 1 extends upwards into the fish collecting barrel 2 from the water body of the fish pond, and the upper pipe orifice B of the fish sucking pipe 1 is greatly higher than the bottom of the fish collecting barrel 2; the lower part of the fish collecting barrel 2 is provided with an inclined slope, and the lowest part of the inclined slope is provided with a fish discharging port C; the upper part of the fish collecting barrel 2 is provided with a vent hole D; the lower end of the water inlet pipe 3 is communicated with the top of the fish gathering barrel 2, the upper end of the water inlet pipe is connected with a water inlet of the industrial pump 4, and a water outlet of the industrial pump is communicated with the top of the auxiliary water tank 8 through the water outlet pipe 7; the lower reflux port H of the auxiliary water tank 8 is communicated with the water inlet pipe 3 through a pump filling pipe 9; a fish blocking net 21 is arranged at a position above the upper pipe orifice B in the fish collecting barrel 2; the side wall of the fish gathering barrel 2 is provided with a sight glass 22 with a height higher than that of the upper pipe orifice B at the position close to the fish outlet C upwards; the lower part of the auxiliary water tank 8 is also provided with a vent G.
According to the technical scheme, the conventional industrial pump is adopted to generate strong suction force to suck the fish from the water body, the fish is blocked by the fish blocking net before entering the inlet of the conventional industrial pump, so that damage to the fish is avoided, and a special fish sucking pump with a special structural type is not required to be researched; the fish sucking condition is adjusted by adjusting the flow of a conventional industrial pump outlet, so that the optimal fish sucking effect is achieved; the fish gathering condition in the fish gathering barrel is observed through the sight glass, the fish discharging time is determined, and the efficient fish sucking is ensured.
Further, the device also comprises a control box 6, wherein the control box 6 is in signal connection with an electric regulating valve 75, a pressure sensor 71, an electric ball valve I32, an electric ball valve II 24 and an electric gate valve 23, and is subjected to linkage control of the control box 6, the electric regulating valve 75 is arranged on a water outlet pipe 7, the pressure sensor 71 is arranged at a water outlet of the industrial pump 4, the electric ball valve I32 is arranged on a pump filling pipe 9, and the electric ball valve II 24 is arranged at a vent hole D; the electric gate valve 23 is arranged at the C part of the fish discharging port; an electromagnetic flowmeter 76 is provided after the electric control valve 75.
Further, a one-way valve 11 and a horn-shaped fish sucking port 12 are sequentially arranged at the lower part of the fish sucking pipe 1.
Further, a water outlet of the industrial pump 4 is provided with a water test pipe 72 for identifying the completion condition of the pumping process, and a water test ball valve 73 is arranged at the water test pipe 72; the vent G is provided with a vent ball valve 81; a vacuum gauge 31 is provided at the inlet of the industrial pump 4.
The working method of the automatic fish sucking system adopting the industrial pump comprises the following steps:
s1, pump filling: opening the first electric ball valve 32 and the water testing ball valve 73, and closing other valves; filling water into the auxiliary water tank 8 from the overflow port F of the auxiliary water tank 8 by using a water pump until the water test pipe 72 discharges water, and stopping filling water into the auxiliary water tank 8; closing the first electric ball valve 32 and the water testing ball valve 73;
s2, starting a pump: starting the motor 5, operating the industrial pump 4, and opening the electric regulating valve 75 in a linkage way when the indicated value of the pressure sensor 71 reaches the operation pressure value;
s3, a primary fish sucking and discharging process: the outlet flow of the industrial pump 4 is regulated by an electric regulating valve 75, and the value of the outlet flow of the industrial pump 4 is displayed on an electromagnetic flowmeter 76; the water outlet and the fish outlet of the outlet B of the fish sucking pipe are observed through the sight glass 22, and the water outlet and the fish outlet of the outlet B of the fish sucking pipe are regulated through regulating the electric regulating valve 75, so that a favorable fish sucking effect is achieved; the fish blocking net 21 effectively prevents the fish body from being damaged due to collision with the upper cover of the fish collecting barrel 2; observing the concentration condition of the fishes in the lower part of the fish collecting barrel 2 through the sight glass 22, closing the electric regulating valve 75, stopping the motor 5, opening the electric ball valve II 24 and the electric gate valve 23 after the fishes in the fish collecting barrel 2 are concentrated to a certain density and height, and discharging the fishes through the fish discharging port C;
s4, circulating the fish sucking and discharging process: after the fish is discharged for one time, the electric gate valve 23 and the electric ball valve II 24 are closed, the electric ball valve I32 and the water testing ball valve 73 are opened, the water stored in the auxiliary water tank 8 is used for automatic pumping until the water testing pipe 72 is discharged, and the electric ball valve I32 and the water testing ball valve 73 are closed; then repeating the operations of the steps S2 and S3; circulating in this way until all the fishes in the water body of the fish pond are sucked up;
s5, emptying the auxiliary water tank 8: the vent ball valve 81 is opened to vent all water in the auxiliary water tank 8.
The invention has the beneficial effects that:
1) By adopting the conventional industrial pump, the novel pump structure type suitable for fish passing is not required to be researched, and the high-efficiency fish sucking is ensured;
2) The fish is sucked up without moving a mechanical structure, so that the fish body is ensured to be free from damage;
3) The fish sucking condition can be regulated by regulating the electric regulating valve at the outlet of the conventional industrial pump, and meanwhile, the single fish sucking time can be regulated according to the fish sucking condition, so that the operation flexibility is high and the operation is flexible;
4) The size of the maximum fish body which can be sucked can be changed only by changing the diameter of the fish sucking pipe, other changes are not needed, the operation is simple, and the types of the fishes which can be sucked are not limited;
5) The whole fish sucking process is automatically operated through components such as a control box, various sensors, an electric valve and the like, so that the automation degree is high, and the reliability is high;
6) The time of the primary fish sucking and discharging process is not fixed, the fish sucking condition can be adjusted, and the controllability is high;
7) The upper pipe orifice B of the fish suction pipe is greatly higher than the bottom of the fish collection barrel, and three design considerations are provided: firstly, the fish entering the fish collecting barrel is prevented from being damaged by the impact of high-speed water flow at the outlet of the fish sucking pipe, so that the survival rate of the fish is improved; secondly, an advantageous fish collecting space is formed, so that fish can be distributed freely and reasonably, the fish shoals are prevented from being damaged due to mutual extrusion and collision, and the survival rate of the fish is improved; thirdly, the single fish sucking time is prolonged, and the working efficiency is improved.
Drawings
Fig. 1 is a schematic diagram of an automatic fish sucking system using an industrial pump according to the present invention, in which:
1. a fish suction pipe, a one-way valve, a horn-shaped fish suction port, a fish suction pipe inlet, a fish suction pipe outlet; 2. the fish collecting barrel, 21, a fish blocking net, 22, a sight glass, 23, an electric gate valve, 24, a second electric ball valve, a fish discharging port, and a vent hole; 3. the water inlet pipe, 31, the vacuum gauge, 32, the first electric ball valve; 4. an industrial pump; 5. the device comprises a motor, a control box, a water outlet pipe, a pressure sensor, a water test pipe, a water test ball valve, a check valve, an electric regulating valve, an electromagnetic flowmeter, an auxiliary water tank, a vent ball valve, a liquid level meter, an overflow pipe, a water inlet, an overflow port, a vent port and a return port.
Detailed Description
The invention will be further described with reference to the drawings and specific examples.
Referring to fig. 1, an automatic fish sucking system using an industrial pump comprises an industrial pump 4, a fish collecting barrel 2 and an auxiliary water tank 8; the fish collecting barrel 2 is a closed box body, the fish sucking pipe 1 extends upwards into the fish collecting barrel 2 from the water body of the fish pond, and the upper pipe orifice B of the fish sucking pipe 1 is greatly higher than the bottom of the fish collecting barrel 2; the lower part of the fish collecting barrel 2 is provided with an inclined slope, and the lowest part of the inclined slope is provided with a fish discharging port C; the upper part of the fish collecting barrel 2 is provided with a vent hole D; the lower end of the water inlet pipe 3 is communicated with the top of the fish gathering barrel 2, the upper end of the water inlet pipe is connected with a water inlet of the industrial pump 4, and a water outlet of the industrial pump is communicated with the top of the auxiliary water tank 8 through the water outlet pipe 7; the lower reflux port H of the auxiliary water tank 8 is communicated with the lower part of the water inlet pipe 3 through a pump filling pipe 9; a fish blocking net 21 is arranged at a position above the upper pipe orifice B in the fish collecting barrel 2; the side wall of the fish gathering barrel 2 is provided with a sight glass 22 with a height higher than that of the upper pipe orifice B at the position close to the fish outlet C upwards; the lower part of the auxiliary water tank 8 is also provided with a vent G.
In this embodiment, with continued reference to fig. 1, the device further includes a control box 6, where the control box 6 is in signal connection with an electric control valve 75, a pressure sensor 71, an electric ball valve one 32, an electric ball valve two 24, and an electric gate valve 23, and is controlled by linkage of the control box 6, where the electric control valve 75 is disposed on the water outlet pipe 7, the pressure sensor 71 is disposed at the water outlet of the industrial pump 4, the electric ball valve one 32 is disposed on the pump filling pipe 9, and the electric ball valve two 24 is disposed at the position of the vent hole D; the electric gate valve 23 is arranged at the C part of the fish discharging port; an electromagnetic flowmeter 76 is provided after the electric control valve 75.
In this embodiment, with continued reference to fig. 1, a level gauge 82 is provided within the supporting water tank 8.
In this embodiment, with continued reference to fig. 1, the lower portion of the fish suction pipe 1 is provided with a one-way valve 11 and a trumpet-shaped fish suction port 12 in sequence.
In this embodiment, with continued reference to fig. 1, the water outlet of the industrial pump 4 is provided with a water test tube 72 for identifying the completion of the priming process, and the water test tube 72 is provided with a water test ball valve 73; the vent G is provided with a vent ball valve 81; a vacuum gauge 31 is provided at the inlet of the industrial pump 4.
When the automatic fish sucking system works, the method comprises the following steps:
s1, pump filling: opening the first electric ball valve 32 and the water testing ball valve 73, and closing other valves; filling water into the auxiliary water tank 8 from the overflow port F of the auxiliary water tank 8 by using a water pump until the water test pipe 72 discharges water, and stopping filling water into the auxiliary water tank 8; closing the first electric ball valve 32 and the water testing ball valve 73;
s2, starting a pump: starting the motor 5, operating the industrial pump 4, and opening the electric regulating valve 75 in a linkage way when the indicated value of the pressure sensor 71 reaches the operation pressure value;
s3, a primary fish sucking and discharging process: the outlet flow of the industrial pump 4 is regulated by an electric regulating valve 75, and the value of the outlet flow of the industrial pump 4 is displayed on an electromagnetic flowmeter 76; the water outlet and the fish outlet of the outlet B of the fish sucking pipe are observed through the sight glass 22, and the water outlet and the fish outlet of the outlet B of the fish sucking pipe are regulated through regulating the electric regulating valve 75, so that a favorable fish sucking effect is achieved; the fish blocking net 21 effectively prevents the fish body from being damaged due to collision with the upper cover of the fish collecting barrel 2; observing the concentration condition of the fishes in the lower part of the fish collecting barrel 2 through the sight glass 22, closing the electric regulating valve 75, stopping the motor 5, opening the electric ball valve II 24 and the electric gate valve 23 after the fishes in the fish collecting barrel 2 are concentrated to a certain density and height, and discharging the fishes through the fish discharging port C;
s4, circulating the fish sucking and discharging process: after the fish is discharged for one time, the electric gate valve 23 and the electric ball valve II 24 are closed, the electric ball valve I32 and the water testing ball valve 73 are opened, the water stored in the auxiliary water tank 8 is used for automatic pumping until the water testing pipe 72 is discharged, and the electric ball valve I32 and the water testing ball valve 73 are closed; then repeating the operations of the steps S2 and S3; circulating in this way until all the fishes in the water body of the fish pond are sucked up;
s5, emptying the auxiliary water tank 8: the vent ball valve 81 is opened to vent all water in the auxiliary water tank 8.
Technical parameter requirements are as follows:
1) Determining the diameter of the fish sucking pipe 1 according to the specification of the maximum fish body to be sucked;
2) The industrial pump 4 is a conventional industrial pump, and the performance of the matched motor is required to meet the requirement that the frequent start times are not less than 10 times/h; the fish storage space (space below the fish blocking net) of the fish collecting barrel should ensure that the fish sucking time is not less than 6min when the maximum fish storage amount is reached;
3) The control box can operate in an automatic mode and a manual mode;
4) The fish-collecting barrel upper view mirror is made of transparent materials (such as organic glass, conventional glass and the like) so as to be convenient for observing the internal condition of the fish-collecting barrel;
5) The fish blocking net in the fish collecting barrel is made of soft materials such as nylon, the size of the fish blocking net holes should ensure that the smallest fish to be obtained cannot pass, and the position of the fish blocking net should ensure that the fish can not collide with the upper cover of the fish collecting barrel after the fish comes out of the fish sucking pipe at high speed in operation;
6) The upper cover of the fish collecting barrel can be detached, so that the fish blocking net can be replaced conveniently and other operations can be performed conveniently;
7) The fish sucking pipe inlet adopts an enlarged inlet, which is convenient for sucking fish;
8) The vertical position relation among the fish collecting barrel, the conventional industrial pump, the matched motor and the auxiliary water tank is noted, so that smooth fish sucking and pump filling are ensured;
9) The effective water storage volume of the auxiliary water tank is larger than the water volume required by the pump filling.
The foregoing is a preferred embodiment of the present invention, and various changes and modifications may be made therein by those skilled in the art without departing from the general inventive concept, and such changes and modifications should be considered as falling within the scope of the claimed invention.