CN206547663U - A kind of frequency conversion type fishpump based on four-way valve - Google Patents

Abstract

The utility model relates to a frequency-variable fish suction pump based on a four-way valve, which belongs to the technical field of fish suction pumps with multi-way valves. The utility model comprises a liquid ring vacuum pump, a four-way valve, a fish storage cabin, a fish discharge one-way valve and a program control unit. The liquid ring vacuum pump is connected with the suction pipe of the fish storage cabin through the four-way valve, and the four-way valve includes Ⅰ and passage II, the fish storage compartment includes fish storage compartment Ⅰ and fish storage compartment Ⅱ; one end of fish storage compartment Ⅰ and fish storage compartment Ⅱ is connected to passage Ⅰ and passage Ⅱ respectively through suction pipes, and fish storage compartment Ⅰ and fish storage compartment The other end of cabin II is connected to the conveying pipeline through the fish row one-way valve; the program control unit is connected to the liquid ring vacuum pump, the four-way valve and the fish row one-way valve respectively. The working power of the utility model can be adjusted, and it is suitable for absorbing or transporting different specifications of farmed fish; the power of the frequency conversion fish suction pump is controllable, which can meet the needs of absorbing and transporting fish of various specifications in the breeding plant, and reduces equipment investment.

Description

A frequency conversion fish suction pump based on four-way valve

technical field

The utility model relates to a frequency conversion type fish suction pump based on a four-way valve, which belongs to the technical field of fish suction pumps with multi-way valves.

Background technique

The power of the existing vacuum pumps used for fish suction cannot be changed. Different use environments require fish suction pumps of different specifications (power). 55kW commercial fish suction pump; the existing fish suction pump adopts solenoid valve, which has a short life, especially for the environment of absorbing sea water, and is very undurable; the existing fish suction pump has idling or insufficient cooling when the water supply is insufficient. question.

Utility model content

Aiming at the above-mentioned defects in the prior art, the utility model proposes a new frequency-variable fish suction pump and its four-way valve structure, through which the fish suction and fish discharge work alternately by the fish suction pump, reducing equipment investment.

The utility model is realized by adopting the following technical solutions: a frequency conversion fish suction pump based on a four-way valve, including a liquid ring vacuum pump, a four-way valve, a fish storage chamber, a one-way valve for fish discharge and a program control unit, the liquid The ring vacuum pump is connected to the suction pipe of the fish storage cabin through a four-way valve. The four-way valve includes passage I and passage II. The fish storage cabin includes fish storage cabin I and fish storage cabin II; fish storage cabin I and fish storage cabin II One end of the tank is connected to passage Ⅰ and passage Ⅱ through the suction pipe, and the other ends of the fish storage compartment Ⅰ and fish storage compartment Ⅱ are respectively connected to the conveying pipeline through the fish row check valve; the program control unit is connected to the liquid ring vacuum pump, four The directional valve is connected with the one-way valve for rowing fish.

Further, it also includes an exhaust drainage pipe and a high liquid level sensor. The fish storage cabin I and the fish storage cabin II are each provided with an exhaust drainage pipeline, and the tops of the fish storage cabin I and the fish storage cabin II are also provided with sensors for sensing the water level. High liquid level sensor; the program control unit is connected with the high liquid level sensor.

Further, when the fish storage cabin I is carrying out the fish suction work, the fish storage cabin II is carrying out the fish rowing work; when the fish storage cabin II is finished arranging fish, the fish storage cabin I fish suction work is completed accordingly, and then the fish discharge work is carried out. fish work.

Further, the four-way valve also includes a suction port and an exhaust port connected with the liquid ring vacuum pump. The liquid ring vacuum pump performs air suction work on the fish storage compartment I, sucks out the air in the fish storage compartment I, and injects it into the storage tank. Fish cabin II; the liquid ring vacuum pump sucks air into the fish storage cabin II, sucks out the air in the fish storage cabin II, and injects it into the fish storage cabin I.

Further, the liquid ring vacuum pump opens the passage I and draws the air in the fish storage compartment I, so that the air pressure in the fish storage compartment I is weakened, water and fish are sucked into the fish storage compartment I through the suction pipe, and the passage II is closed at this time; The type vacuum pump opens the passage II and draws the air in the fish storage compartment II, so that the air pressure of the fish storage compartment II is weakened, and the water and fish are sucked into the fish storage compartment II by the suction pipe, and the passage I is closed at this time.

Further, when the fish storage cabin I is performing fish suction work, the fish row check valve connected to the fish storage cabin I is closed, and when the fish storage cabin II is performing the fish row work, the fish row valve connected to the fish storage cabin II is closed. The one-way valve closes and opens, and vice versa.

Further, the liquid ring vacuum pump is driven by a variable frequency speed regulation motor, and the working power range is 4kW-55kW.

Further, the liquid ring vacuum pump is provided with a flow monitor, which automatically shuts down when the water supply is insufficient, so as to avoid idling or insufficient cooling of the liquid ring vacuum pump.

The beneficial effects of the utility model are: adopting a frequency conversion fish suction pump based on a four-way valve described in the utility model, the working power of the fish suction pump can be adjusted to be suitable for sucking or transporting cultured fish of different specifications, In the process of use, the fish suction speed can also be adjusted by adjusting the power of the frequency conversion vacuum pump; the power of the frequency conversion fish suction pump is controllable, and the fish suction speed and suction strength can be adjusted according to different specifications of fish. One fish suction pump can meet Suction and delivery of fish of various specifications in a breeding plant reduces equipment investment.

Description of drawings

Fig. 1 is the structural representation of the utility model.

Figure 2(a) is one of the schematic diagrams of the working state of the liquid ring vacuum pump.

Fig. 2(b) is the second schematic diagram of the working state of the liquid ring vacuum pump.

In the figure: 1. Liquid ring vacuum pump; 2. Four-way valve; 3. Suction pipe; 4. Exhaust and drainage pipe; 5. Fish storage compartment I; 6. Fish storage compartment II; 7. High liquid level sensor; 8. Fish discharge one-way valve; 9. Conveying pipeline; 10. Program control unit; 11. Path I; 12. Path II; 13. Suction port; 14. Exhaust port.

detailed description

In order to make the purpose and technical solution of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings.

Embodiment one:

The core of the utility model is that the fish suction and fish discharge work of the fish suction pump are carried out alternately. When one fish storage cabin is carrying out the fish suction work, the other fish storage cabin is carrying out the fish discharge work, and when the fish discharge ends, the other fish storage cabin The work of sucking fish is also completed thereupon, and then the work of arranging fish is carried out, which goes round and round.

As shown in Fig. 1, a kind of variable-frequency fish-suction pump based on four-way valve described in the utility model includes a liquid ring vacuum pump 1, a four-way valve 2, a fish storage compartment, a fish row one-way valve 8 and a program control Unit 10, the liquid ring vacuum pump 1 is connected to the suction pipe 3 of the fish storage compartment through the four-way valve 2, the four-way valve 2 includes the passage I11 and the passage II12, and the fish storage compartment includes the fish storage compartment I5 and the fish storage compartment II6; One end of the fish cabin I5 and the fish storage cabin II6 are respectively connected to the passage I11 and the passage II12 through the suction pipe 3, and the other ends of the fish storage cabin I5 and the fish storage cabin II6 are respectively connected to the conveying pipeline 9 through the fish discharge check valve 8; The program control unit 10 is respectively connected with the liquid ring vacuum pump 1, the four-way valve 2 and the one-way valve 8 for rowing fish.

It also includes an exhaust and drainage pipe 4 and a high liquid level sensor 7. The fish storage cabin I5 and the fish storage cabin II6 are each provided with an exhaust drainage pipeline 4, and a sensor for sensing the water level is also arranged on the top of the fish storage cabin I5 and the fish storage cabin II6. The high liquid level sensor 7; the program control unit 10 is connected with the high liquid level sensor 7.

When the fish storage cabin I5 is carrying out the fish suction work, the fish storage cabin II6 is carrying out the fish rowing work; when the fish storage cabin II6 finishes the fish rowing work, the fish storage cabin I5 suction work is completed thereupon, and then the fish rowing work is carried out.

The four-way valve 2 also includes an air intake 13 and an exhaust port 14 connected to the liquid ring vacuum pump 1, as shown in Figure 2 (a), the liquid ring vacuum pump 1 carries out the suction work to the fish storage compartment I5, The air in the fish storage compartment I5 is sucked out and injected into the fish storage compartment II6; as shown in Fig. Fish cabin I5.

The liquid ring vacuum pump 1 opens the passage I11 and draws the air in the fish storage compartment I5, so that the air pressure in the fish storage compartment I5 is weakened, water and fish are sucked into the fish storage compartment I5 through the suction pipe 3, and the passage II12 is closed at this time; Vacuum pump 1 opens passage II12 and extracts the air of storing fish compartment II6, makes storing fish compartment II6 air pressure weakens, and water and fish are sucked into storing fish compartment II6 by suction pipe 3, close passage I11 this moment.

When the fish storage compartment I5 is performing fish suction work, the fish discharge check valve 8 connected to the fish storage compartment I5 is closed, and when the fish storage compartment II6 is performing fish discharge work, the fish discharge one-way valve 8 connected to the fish storage compartment II6 is closed. Valve 8 is turned off and opened, and vice versa.

The liquid ring vacuum pump is driven by a variable-frequency speed-regulating motor, and its working power ranges from 4kW to 55kW.

The liquid ring vacuum pump 1 is provided with a flow monitor, which automatically shuts down when the water supply is insufficient, so as to prevent the liquid ring vacuum pump 1 from idling or insufficient cooling.

Embodiment two:

The using method of the present utility model comprises the steps:

Step 1: Put the fish suction port into the fish pond;

Step 2: Supply water to the liquid ring vacuum pump 1, seal the liquid ring vacuum pump 1 chamber with water, and start the fish suction pump;

Step 3: Set the working power of the fish suction pump according to the specifications of the suction object and the desired suction speed;

Step 4: After the fish suction pump works, the liquid ring vacuum pump 1 opens the passage Ⅰ11 of the fish storage compartment Ⅰ5 in the four-way valve 2 to extract the air in the fish storage compartment Ⅰ5, and the gas pressure in the fish storage compartment Ⅰ5 continues to weaken. Water and fish are sucked into the fish storage compartment I5 through the fish feeding pipeline until the water level inside the fish storage compartment I5 reaches the highest water level in the compartment, at this time the vacuum passage of the fish compartment II is closed;

Step 5: When the water level in the fish storage compartment Ⅰ5 reaches the highest water level in the cabin, the high liquid level sensor 7 in the fish storage compartment Ⅰ5 senses that the water level in the fish storage compartment Ⅰ5 reaches the high liquid level, indicating that the fish storage compartment Ⅰ5 is fully loaded and the liquid level is high. The position sensor 7 feeds back the signal to the program control unit 10, and the program control unit 10 sends a signal to the four-way valve 2, the vacuum passage I11 of the fish storage compartment I5 in the four-way valve 2 is closed, and the vacuum passage of the fish storage compartment II6 is opened at the same time Ⅱ12 and the pressure injection channel I11 of the fish storage cabin I5, the liquid ring vacuum pump 1 starts to extract the air in the fish storage cabin II6, and injects this part of the air into the fish storage cabin I5 through the pressure injection channel I11 of the fish storage cabin I5, compressing The water carries the fish out of the fish cabin I, and the fish storage cabin I5 gradually empties the water and fish, and the interior is replaced by air. The water carries the fish and is sucked into the fish storage compartment II6 until the water level reaches the high liquid level in the fish storage compartment II6 and touches the high liquid level sensor 7;

Step 6: When the water level in the fish storage compartment II6 touches the high liquid level sensor 7 in the cabin, it means that the fish storage compartment II6 is fully loaded. At this time, the full load signal of the fish storage compartment II6 is fed back to the program control unit 10, and the program control unit 10 sends out a signal To the four-way valve 2, the vacuum passage II12 of the fish storage compartment II6 in the four-way valve 2 is closed, and at the same time, the vacuum passage I11 of the fish storage compartment I5 and the injection pressure passage II12 of the fish storage compartment II6 are opened, and the liquid ring pump starts to pump The air in the fish storage compartment Ⅰ5 is injected into the fish storage compartment Ⅱ6 through the pressure injection channel Ⅰ11 of the fish storage compartment Ⅱ6, and the fish in the pressurized water is discharged from the fish storage compartment Ⅱ6, and the fish storage compartment Ⅱ6 is gradually emptied of water. and fish, the interior is replaced by air, and at the same time, as the air in the fish storage compartment I5 is gradually drawn out, the pressure in the fish storage compartment I5 gradually decreases, and the water in the breeding pond carries the fish and is sucked into the fish storage compartment I5 until the water level reaches the storage tank I5. The high liquid level in the fish tank I5 touches the high liquid level sensor 7;

Step 7: When the water level in the fish storage compartment Ⅰ5 reaches the highest water level in the cabin, the high liquid level sensor 7 in the fish storage compartment Ⅰ5 senses that the water level in the fish storage compartment Ⅰ5 reaches the high liquid level, indicating that the fish storage compartment Ⅰ5 is full, and the feedback signal Go to the program control unit 10 and repeat step five.

In the second step, the external water supply of the liquid ring vacuum pump 1 passes through the flow monitor to display whether the flow rate or water pressure is up to standard, and if the requirement is met, the fish suction pump can be started; Start the fish suction pump after water pressure requirement.

The above descriptions are only preferred embodiments of the present utility model, and are not limited to the present utility model. All equal modifications, equivalent replacements and improvements made within the spirit and principles of the present utility model should include Within the scope covered by the patent of the utility model.

Claims (8)

1. a kind of frequency conversion type fishpump based on four-way valve, it is characterised in that including liquid-ring vacuum pump (1), four-way valve (2), Fish hold, row's fish check valve (8) and procedure control unit (10) are deposited, liquid-ring vacuum pump (1) is by four-way valve (2) and deposits fish hold Aspirating air pipe (3) is connected, and four-way valve (2) includes path I (11) and path II (12), and depositing fish hold includes depositing fish hold I (5) and deposit fish Cabin II (6)；Deposit fish hold I (5) and deposit one end of fish hold II (6) respectively by aspirating air pipe (3) and path I (11) and path II (12) it is connected, deposits fish hold I (5) and deposit the other end of fish hold II (6) respectively by arranging fish check valve (8) and conveyance conduit (9) phase Even；Procedure control unit (10) is connected with liquid-ring vacuum pump (1), four-way valve (2) and row's fish check valve (8) respectively.

2. a kind of frequency conversion type fishpump based on four-way valve according to claim 1, it is characterised in that also including exhaust row Waterpipe (4) and high level sensor (7), deposit fish hold I (5) and deposit fish hold II (6) and be each provided with exhaust outlet pipeline (4), Deposit fish hold I (5) and deposit the high level sensor (7) that fish hold II (6) top is additionally provided with sensing height of water level；Procedure control unit (10) it is connected with high level sensor (7).

3. a kind of frequency conversion type fishpump based on four-way valve according to claim 1 or 2, it is characterised in that described to deposit fish Fish hold II (6) is deposited in the fish work of the row of progress when carrying out clingfish work in cabin I (5)；At the end of fish hold II (6) row fish is deposited, fish is deposited The work of cabin I (5) clingfish is completed therewith, then the work of the row of progress fish.

4. a kind of frequency conversion type fishpump based on four-way valve according to claim 3, it is characterised in that the four-way valve (2) air entry (13) and exhaust outlet (14) being connected with liquid-ring vacuum pump (1) are also included, liquid-ring vacuum pump (1) is to depositing fish Cabin I (5) carries out air-breathing work, the air for depositing fish hold I (5) is suctioned out, fish hold II (6) is deposited in injection；Liquid-ring vacuum pump (1) is to depositing Fish hold II (6) carries out air-breathing work, the air for depositing fish hold II (6) is suctioned out, fish hold I (5) is deposited in injection.

5. a kind of frequency conversion type fishpump based on four-way valve according to claim 4, it is characterised in that the Pendular ring type is true Empty pump (1) opens path I (11) and extracts the air for depositing fish hold I (5), makes to deposit fish hold I (5) air pressure decrease, water and fish are by air-breathing Fish hold I (5) is deposited in pipeline (3) suction, now closes path II (12)；Liquid-ring vacuum pump (1) is opened path II (12) and extracted The air of fish hold II (6) is deposited, makes to deposit fish hold II (6) air pressure decrease, water and fish deposit fish hold II (6) by aspirating air pipe (3) suction, this When close path I (11).

6. a kind of frequency conversion type fishpump based on four-way valve according to claim 5, it is characterised in that described to deposit fish hold I (5) when carrying out clingfish work, the row fish check valve (8) being connected with depositing fish hold I (5) is closed, and is deposited fish hold II (6) and is being carried out row fish During work, the row fish check valve (8) being connected with depositing fish hold II (6), which is closed, to be opened, and vice versa.

7. a kind of frequency conversion type fishpump based on four-way valve according to claim 1, it is characterised in that the Pendular ring type is true Empty pump is driven by frequency control motor, and the scope of operating power is 4kW-55kW.

8. a kind of frequency conversion type fishpump based on four-way valve according to claim 1 or 7, it is characterised in that the pendular ring Formula vavuum pump is provided with flow monitor on (1), the automatic shutdown in insufficient water, it is to avoid liquid-ring vacuum pump (1) dally or Cooling is not enough.