Double-impeller stainless steel axial-flow type mariculture submersible electric pump

Abstract

The utility model discloses a double-impeller stainless steel axial-flow type mariculture submersible electric pump, and relates to the technical field of submersible electric pumps, the double-impeller stainless steel axial-flow type mariculture submersible electric pump comprises a water inlet, a water outlet, a sundry blocking plate, an upper end pump body, a lower end pump body, a driving motor outer shell, a driving motor inner shell and a driving motor; the split type upper flow channel assembly is arranged on the inner side of the upper end pump body; the split type lower flow channel assembly is arranged on the inner side of the lower end pump body; the upper end impeller is arranged on the inner side of the split type upper flow channel assembly; the lower end impeller is arranged on the inner side of the split type lower flow channel assembly; the anti-blocking crushing cutter is arranged in the impurity blocking plate and is used for cutting impurities into small fragments; the driving motor upper end cover assembly is arranged at the upper end of the driving motor inner shell; and the driving motor lower end cover assembly is arranged at the lower end of the driving motor inner shell.

Description

Technical Field

[0001] The present invention relates to the technical field of submersible electric pumps, in particular to a double-impeller stainless steel axial-flow seawater aquaculture submersible electric pump. Background Art

[0002] Conventional axial-flow submersible electric pumps have a single impeller and a single integrated flow channel. This results in a relatively limited water delivery speed, making it difficult to meet the rapid delivery requirements of modern aquaculture. Furthermore, debris in the water can easily clog the flow channel. While immersing the motor housing in water can partially address heat dissipation, it prevents internal heat from dissipating quickly. Summary of the Invention

[0003] The present invention provides a double-impeller stainless steel axial-flow seawater aquaculture submersible electric pump, so as to solve the technical problems of not being able to meet the rapid transportation requirements of modern aquaculture and not being able to quickly dissipate the internal heat of the generator.

[0004] The embodiment of the present invention provides a double-impeller stainless steel axial-flow seawater aquaculture submersible electric pump, comprising a water inlet, a water outlet, a debris blocking plate, an upper pump body, a lower pump body, a drive motor outer shell, a drive motor inner shell, and a drive motor;

[0005] A split upper flow channel assembly provided inside the upper end pump body;

[0006] A split downflow channel assembly provided inside the lower end pump body;

[0007] An upper end impeller is arranged on the inner side of the split upper flow channel assembly;

[0008] A lower end impeller disposed inside the split downflow channel assembly;

[0009] an anti-clogging crushing knife disposed in the debris blocking plate for cutting debris into small pieces;

[0010] A drive motor upper end cover assembly disposed at the upper end of the drive motor inner housing;

[0011] A drive motor lower end cover assembly disposed at the lower end of the drive motor inner housing;

[0012] After the electric pump is started, the anti-blocking crushing blade, the lower impeller and the upper impeller are coaxially rotated together to perform rapid seawater aquaculture and transportation operations;

[0013] The heat generated by internal loss during operation of the drive motor is conducted to the external medium water through the drive motor upper end cover assembly and the drive motor lower end cover assembly and taken away.

[0014] Preferably, the split upper flow channel assembly includes a split upper flow channel and a split upper flow channel cover plate;

[0015] The split downflow channel assembly includes a split downflow channel and a split downflow channel cover plate.

[0016] Preferably, the drive motor upper end cover assembly includes:

[0017] A drive motor upper end cover provided at the upper end of the drive motor inner housing;

[0018] An upper end heat-conducting sealing cover plate connected to the upper end cover of the drive motor.

[0019] Preferably, the drive motor lower end cover assembly includes:

[0020] A drive motor lower end cover provided at the lower end of the drive motor inner housing;

[0021] A lower end heat-conducting sealing cover plate connected to the lower end cover of the drive motor.

[0022] Preferably, the upper end cover of the driving motor and the lower end cover of the driving motor are both end covers with heat dissipation hole structures.

[0023] Preferably, the upper end cover of the driving motor and the lower end cover of the driving motor are respectively provided with four heat dissipation holes;

[0024] Wherein, the heat dissipation holes are fan-shaped heat dissipation holes.

[0025] Preferably, the upper heat-conducting sealing cover plate and the lower heat-conducting sealing cover plate are both heat-conducting sealing cover plates with groove structures.

[0026] Preferably, the upper heat-conducting cover plate and the lower heat-conducting cover plate are respectively provided with four heat-conducting grooves;

[0027] Wherein, the heat conducting groove is a fan-shaped heat conducting groove.

[0028] Preferably, the four heat-conducting grooves on the upper heat-conducting cover plate extend into the four heat-dissipating holes of the upper end cover of the drive motor respectively;

[0029] The four heat-conducting grooves on the lower end heat-conducting cover plate extend into the four heat-dissipating holes of the lower end cover of the drive motor respectively.

[0030] The beneficial effects of the present invention are: 1) an anti-clogging debris crushing blade is arranged outside the lower end impeller, which can cut debris into small pieces, prevent the pump flow channel from being blocked, and reduce the failure rate; 2) the double impeller structure at the upper and lower ends can generate higher delivery pressure and longer delivery distance, fully meeting the use requirements; 3) the split and combined flow channel structure is more convenient to install and maintain, and easier to produce and manufacture; 4) the upper and lower end covers of the drive motor both adopt an end cover structure with heat dissipation holes, and are equipped with a heat-conducting sealing cover plate with grooves, which can conduct the heat generated inside the motor when it is working to the external medium water and take it away, thereby improving the motor efficiency and extending the service life; 5) the whole machine has a segmented assembly structure, which is easy to process and convenient to maintain. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 This is a schematic diagram of a double-impeller stainless steel axial-flow seawater aquaculture submersible electric pump provided by the present invention;

[0032] Figure 2 This is a front view of the end cover with heat dissipation holes provided by the present invention;

[0033] Figure 3 is a top view of the end cover with heat dissipation holes provided by the present invention;

[0034] Figure 4 This is a front view of the heat-conducting sealing cover plate with grooves provided by the present invention;

[0035] Figure 5 This is a top view of the heat-conducting sealing cover plate with grooves provided by the present invention;

[0036] Figure 6 This is a cross-sectional view of the assembly of the upper end cover of the drive motor and the heat-conducting sealing cover provided by the present invention;

[0037] Figure 7 It is a top view of the assembly of the upper end cover of the drive motor and the heat-conducting sealing cover plate provided by the present invention.

[0038] In the figure, 1-support foot; 2-debris blocking plate; 3-anti-clogging crushing knife; 4-split downflow channel cover plate; 5-lower end impeller; 6-split downflow channel; 7-lower end pump body; 8-lower end pump body seal; 9-drive motor outer shell; 10-lower end cover mechanical seal; 11-lower end cover with grooved thermal sealing cover plate; 12-lower end sealant; 13-drive motor lower end cover with heat dissipation holes; 14-lower end plane bearing; 15-lower end ball bearing; 16-drive motor inner shell; 17-drive motor rotor; 18-drive motor stator; 19-drive motor inner shell cover seal; 20-drive motor upper end cover with heat dissipation holes; 21-upper end sealant; 22-upper end cover with grooved thermal sealing Cover plate; 23-upper end bearing; 24-mechanical seal of upper end cover of drive motor; 25-split upper flow channel cover plate; 26-upper end impeller; 27-split upper flow channel; 28-upper end pump body; 29-pump chamber seal; 30-pump chamber with interface; 31-waterproof power transmission cable; 211-mechanical seal chamber; 212-bearing chamber; 311-heat dissipation hole; 312-tooth hole; 313-mounting hole; 51-heat conduction groove; 52-mounting hole; 601-drive motor upper end cover; 602-fastening bolt gasket assembly connecting upper end cover and motor inner housing; 603-waterproof sealant between end cover and heat conduction plate; 604-fastening bolt gasket assembly connecting end cover and heat conduction cover plate; 605-heat conduction cover plate. DETAILED DESCRIPTION

[0039] It should be understood that the specific embodiments described herein are intended merely to illustrate the present invention and are not intended to limit the present invention. In the subsequent description, suffixes such as "module," "component," or "unit" used to designate components are used solely to facilitate the description of the present invention and have no inherent meaning. Therefore, the terms "module," "component," or "unit" may be used interchangeably.

[0040] Figure 1 This is a schematic diagram of a double-impeller stainless steel axial flow seawater aquaculture submersible electric pump provided by the present invention, as shown in FIG. Figure 1As shown, it includes: a water inlet, a water outlet, a debris blocking plate 2, an upper pump body 28, a lower pump body 7, a drive motor outer shell 9, a drive motor inner shell 16 and a drive motor; a split upper flow channel assembly arranged on the inner side of the upper pump body 28; a split lower flow channel assembly arranged on the inner side of the lower pump body 7; an upper impeller 26 arranged on the inner side of the split upper flow channel assembly; a lower impeller 5 arranged on the inner side of the split lower flow channel assembly; an anti-fouling device arranged in the debris blocking plate 2 for cutting debris into small pieces The anti-clogging crushing knife 3; the upper end cover assembly of the drive motor is arranged at the upper end of the drive motor inner casing 16; the lower end cover assembly of the drive motor is arranged at the lower end of the drive motor inner casing 16; wherein, after the electric pump is started, the anti-clogging crushing knife 3, the lower end impeller 5 and the upper end impeller 26 are coaxially rotated together to perform rapid seawater aquaculture and transportation operations; the heat generated by the internal loss of the drive motor during operation is conducted to the external medium water through the upper end cover assembly of the drive motor and the lower end cover assembly of the drive motor and taken away.

[0041] In the embodiment of the present utility model, the split upper flow channel assembly includes a split upper flow channel 27 and a split upper flow channel cover plate 25 ; the split lower flow channel assembly includes a split lower flow channel 6 and a split lower flow channel cover plate 4 .

[0042] like Figure 1 As shown, the double-impeller stainless steel axial flow seawater aquaculture submersible electric pump mainly consists of a support foot 1, a debris blocking plate 2, an anti-clogging crushing knife 3, a split downflow channel cover 4, a lower end impeller 5, a split downflow channel 6, a lower end pump body 7, a lower end pump body seal 8, a drive motor outer shell 9, a lower end cover mechanical seal 10, a lower end cover with a grooved heat-conducting sealing cover 11, a lower end sealant 12, a drive motor lower end cover with a heat dissipation hole 13, a lower end plane bearing 14, a lower end ball bearing 15, and a drive motor inner shell 16. , drive motor rotor 17, drive motor stator 18, drive motor inner shell cover seal 19, drive motor upper end cover 20 with heat dissipation holes, upper end sealant 21, upper end cover with grooved thermal sealing cover plate 22, upper end bearing 23, drive motor upper end cover mechanical seal 24, split upper flow channel cover plate 25, upper end impeller 26, split upper flow channel 27, upper end pump body 28, pump chamber seal 29, pump chamber with interface 30, waterproof transmission cable 31, etc., as well as fasteners and electrical control devices.

[0043] like Figure 1 As shown, when the electric pump is placed in the corresponding position in the water through the support legs 1 and the electrical control device is powered on, the electric pump is started, and the anti-blocking crushing knife 3, the lower impeller 5, and the upper impeller 26 located in the debris blocking plate 2 at the lower end of the electric pump rotate coaxially and quickly, and the required seawater is continuously and quickly delivered to the required location, thereby quickly transporting and realizing seawater aquaculture.

[0044] Furthermore, the anti-clogging crushing knife 3 in the debris blocking plate 2 at the lower end of the electric pump is used to cut the debris in the water into small pieces, thereby preventing the pump flow channel from being blocked and realizing rapid transportation of seawater.

[0045] During the operation of the electric pump, some of the heat loss generated by the drive motor stator 18 is dissipated into the high-speed flowing working medium water through the tightly fitted drive motor inner housing 16. Meanwhile, the heat loss generated within the inner cavity of the drive motor stator 18 and the drive motor rotor 17 is primarily conducted through the lower end cover with grooved heat-conducting sealing cover plate 11 and the upper end cover with grooved heat-conducting sealing cover plate 22 to the working medium water outside, dissipating heat from the drive motor. This ensures that the pump drive motor always operates at a low temperature, ensuring efficient, safe and stable operation of the motor.

[0046] In the embodiment of the present utility model, the drive motor upper end cover assembly includes: a drive motor upper end cover (i.e., a drive motor upper end cover with heat dissipation holes 20) disposed at the upper end of the drive motor inner housing 16; an upper end heat-conducting sealing cover plate (i.e., an upper end cover heat-conducting sealing cover plate 22 with grooves) connected to the drive motor upper end cover. The drive motor lower end cover assembly includes: a drive motor lower end cover (i.e., a drive motor lower end cover with heat dissipation holes 13) disposed at the lower end of the drive motor inner housing 16; and a lower end heat-conducting sealing cover plate (i.e., a lower end cover heat-conducting sealing cover plate 11 with grooves) connected to the drive motor lower end cover.

[0047] In the embodiment of the present utility model, the upper end cover of the driving motor and the lower end cover of the driving motor are both end covers with heat dissipation hole structures. Figure 2 and Figure 3 As shown, four heat dissipation holes 311 are respectively provided on the upper end cover of the driving motor and the lower end cover of the driving motor, and the four heat dissipation holes 311 are evenly distributed, wherein the heat dissipation holes 311 are fan-shaped heat dissipation holes.

[0048] Furthermore, if Figure 2 and Figure 3 As shown, the end cover with heat dissipation holes is provided with a mechanical seal chamber 211 and a bearing chamber 202, and is provided with 8 evenly distributed mounting holes 313 and 16 evenly distributed tooth holes 312. The end cover with heat dissipation holes includes the upper end cover of the drive motor and the lower end cover of the drive motor.

[0049] In the embodiment of the present invention, the upper heat-conducting sealing cover plate and the lower heat-conducting sealing cover plate are both heat-conducting sealing cover plates with groove structures. Figure 4 and Figure 5 As shown, four heat-conducting grooves 51 are respectively provided on the upper heat-conducting cover plate and the lower heat-conducting cover plate, and the four heat-conducting grooves 51 are evenly distributed; wherein, the heat-conducting grooves 51 are fan-shaped heat-conducting grooves.

[0050] Furthermore, the heat-conducting sealing cover plate with grooves is provided with 16 evenly distributed mounting holes 52. The heat-conducting sealing cover plate with grooves comprises the upper heat-conducting sealing cover plate and the lower heat-conducting sealing cover plate.

[0051] like Figure 6 and Figure 7 As shown, taking the assembly of the upper end cover 601 of the drive motor and the upper end heat-conducting cover plate 605 as an example, the four heat-conducting grooves on the upper end heat-conducting cover plate 605 respectively extend into the four heat dissipation holes of the upper end cover 601 of the drive motor, specifically, the fastening bolt gasket assembly 602 connecting the upper end cover 601 of the drive motor and the inner housing 16 of the drive motor, the waterproof sealant 603 between the upper end cover 601 of the drive motor and the upper end heat-conducting cover plate 605; and the fastening bolt gasket assembly 604 connecting the upper end cover 601 of the drive motor and the upper end heat-conducting cover plate 605.

[0052] Furthermore, there are 8 fastening bolt gasket assemblies 602 connecting the upper end cover 601 of the drive motor and the inner housing 16 of the drive motor, and they are evenly distributed in the same circle; there are 16 fastening bolt gasket assemblies 604 connecting the upper end cover 601 of the drive motor and the upper end heat conductive cover plate 605, and they are evenly distributed in two circles.

[0053] The lower end cover of the drive motor and the lower end heat-conducting cover plate are assembled, and the four heat-conducting grooves on the lower end heat-conducting cover plate respectively extend into the four heat dissipation holes of the lower end cover of the drive motor, which is similar to the assembly structure of the upper end cover 601 of the drive motor and the upper end heat-conducting cover plate 605.

[0054] like Figure 7 As shown, the mounting surfaces of the upper end cover 601 of the drive motor and the upper end heat conductive cover plate 605 are cleaned, and waterproof sealant 603 is evenly applied. The four evenly distributed grooves of the upper end heat conductive cover plate 605 are inserted into the four evenly distributed fan-shaped through holes of the upper end cover 601 of the drive motor. After tightening, 16 evenly distributed connecting fastening bolt gasket assemblies 604 are locked respectively to form the upper end cover assembly of the drive motor.

[0055] In summary, the utility model double-impeller stainless steel axial flow seawater aquaculture submersible electric pump has the following characteristics:

[0056] 1.Anti-blocking debris crushing blades are installed outside the lower impeller to cut debris into small pieces, prevent pump flow channel from being blocked, and reduce failure rate.

[0057] 2. The double impeller structure at the upper and lower ends can generate higher conveying pressure and longer conveying distance, fully meeting the use requirements.

[0058] 3. The split and combined flow channel structure makes installation and maintenance more convenient and production easier.

[0059] 4. Both the upper and lower end covers of the drive motor adopt a heat dissipation hole structure and are equipped with a heat-conducting sealing cover with grooves. This can conduct the heat generated inside the motor during operation to the external medium water and remove it, thereby improving motor efficiency and extending service life.

[0060] 5. The whole machine is assembled in sections, which is easy to process and maintain.

[0061] The preferred embodiments of the present invention are described above with reference to the accompanying drawings, but are not intended to limit the scope of the present invention. Any modifications, equivalent substitutions, and improvements made by those skilled in the art without departing from the scope and essence of the present invention shall fall within the scope of the present invention.

Claims

1. A double-impeller stainless steel axial-flow submersible electric pump for seawater aquaculture, comprising a water inlet, a water outlet, a debris barrier, an upper pump body, a lower pump body, a drive motor outer shell, a drive motor inner shell, and a drive motor; It is characterized by Also includes: A split upper flow channel assembly provided inside the upper end pump body; A split downflow channel assembly provided inside the lower end pump body; An upper end impeller is arranged on the inner side of the split upper flow channel assembly; A lower end impeller disposed inside the split downflow channel assembly; an anti-clogging crushing knife disposed in the debris blocking plate for cutting debris into small pieces; A drive motor upper end cover assembly disposed at the upper end of the drive motor inner housing; A drive motor lower end cover assembly disposed at the lower end of the drive motor inner housing; After the electric pump is started, the anti-blocking crushing blade, the lower impeller and the upper impeller are coaxially rotated together to perform rapid seawater aquaculture and transportation operations; The heat generated by internal loss during operation of the drive motor is conducted to the external medium water through the drive motor upper end cover assembly and the drive motor lower end cover assembly and taken away.

2. The double-impeller stainless steel axial flow seawater aquaculture submersible electric pump according to claim 1, characterized in that: The split upper flow channel assembly includes a split upper flow channel and a split upper flow channel cover plate; The split downflow channel assembly includes a split downflow channel and a split downflow channel cover plate.

3. The double-impeller stainless steel axial flow seawater aquaculture submersible electric pump according to claim 1, characterized in that: The drive motor upper end cover assembly includes: A drive motor upper end cover provided at the upper end of the drive motor inner housing; An upper end heat-conducting sealing cover plate connected to the upper end cover of the drive motor.

4. The double-impeller stainless steel axial flow seawater aquaculture submersible electric pump according to claim 3, characterized in that: The drive motor lower end cover assembly includes: A drive motor lower end cover provided at the lower end of the drive motor inner housing; A lower end heat-conducting sealing cover plate connected to the lower end cover of the drive motor.

5. The double-impeller stainless steel axial flow seawater aquaculture submersible electric pump according to claim 4, characterized in that: The upper end cover of the driving motor and the lower end cover of the driving motor are both end covers with heat dissipation hole structures.

6. The double-impeller stainless steel axial flow seawater aquaculture submersible electric pump according to claim 5, characterized in that: The upper end cover of the drive motor and the lower end cover of the drive motor are respectively provided with 4 heat dissipation holes; Wherein, the heat dissipation holes are fan-shaped heat dissipation holes.

7. The double-impeller stainless steel axial flow seawater aquaculture submersible electric pump according to claim 6, characterized in that: The upper heat-conducting sealing cover plate and the lower heat-conducting sealing cover plate are both heat-conducting sealing cover plates with groove structures.

8. The double-impeller stainless steel axial-flow seawater aquaculture submersible electric pump according to claim 7, characterized in that: The upper heat-conducting sealing cover plate and the lower heat-conducting sealing cover plate are respectively provided with 4 heat-conducting grooves; Wherein, the heat conducting groove is a fan-shaped heat conducting groove.

9. The double-impeller stainless steel axial flow seawater aquaculture submersible electric pump according to claim 8, characterized in that: The four heat-conducting grooves on the upper heat-conducting cover plate extend into the four heat-dissipating holes on the upper end cover of the drive motor respectively; The four heat-conducting grooves on the lower end heat-conducting sealing cover plate extend into the four heat dissipation holes of the lower end cover of the drive motor respectively.

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