Double-circulation structure of magnetic drive centrifugal pump

Abstract

The utility model belongs to the technical field of centrifugal pumps, and particularly relates to a double-circulation structure of a magnetic drive centrifugal pump, which comprises a base, mounting holes are arranged at four corners of the top of the base, a magnetic drive pump is fixedly connected to the top of the base, a bottom support plate is fixedly connected to the top of the base, and a mounting cylinder is fixedly connected to the top of the bottom support plate. The magnetic drive pump is sleeved with the installation cylinder, the outer wall of the magnetic drive pump is fixedly connected with a spiral copper pipe, a spiral hole is formed in the spiral copper pipe, one end of the spiral copper pipe is fixedly connected with a liquid inlet pipe, the outer wall of the installation cylinder is fixedly connected with a water pump, and the water inlet end of the water pump is fixedly connected with the other end of the spiral copper pipe through a pipeline. The drainage end of the water pump is fixedly connected with a liquid drainage pipe. According to the scheme, the magnetic drive pump can be further cooled, meanwhile, the cooling speed of heat of the outer wall of the spiral copper pipe can be increased, and the heat dissipation efficiency of the magnetic drive pump can be further improved in a cooling liquid circulation and air spiral flowing mode.

Description

Technical Field

[0001] The utility model relates to the technical field of centrifugal pumps, and more specifically, to a double-circulation structure of a magnetic drive centrifugal pump. Background Technique

[0002] The working principle of a magnetic drive centrifugal pump mainly depends on a magnetic coupling. The driving machine drives the outer magnetic rotor of the pump to be connected with the inner magnetic rotor through the action of the magnetic field and drives the impeller to rotate. When the pump is filled with liquid, the impeller rotates at a high speed driven by the driving machine, continuously sucking and discharging the medium (liquid). The blades drive the liquid to rotate, and under the action of the pressure energy and velocity energy, a centrifugal force is generated. Under the action of the centrifugal force, the liquid is thrown out from the center to the periphery along the blade flow path, sent into the discharge pipeline through the pump body (pump casing), and transported to the working place.

[0003] In the existing technology, as disclosed in the document with the publication number CN216742197U, a specifically disclosed external circulation water-cooled centrifugal pump is provided. In the device of this document, by arranging a cooling hose outside the pump body and promoting the water flow circulation inside the hose through a water pump, the heat dissipation effect of the water pump can be improved. However, the effect of cooling solely through the cooling hose is relatively weak. Therefore, we propose a double-circulation structure of a magnetic drive centrifugal pump. Content of the Utility Model

[0004] Based on the above-mentioned technical problem that the effect of cooling solely through the cooling hose in the existing technology is relatively weak, the utility model proposes a double-circulation structure of a magnetic drive centrifugal pump.

[0005] A double-circulation structure of a magnetic drive centrifugal pump proposed by the utility model includes a machine base. Installation holes are respectively opened at the four corners of the top of the machine base. A magnetic pump is fixedly connected to the top of the machine base. A bottom support plate is fixedly connected to the top of the machine base. An installation cylinder is fixedly connected to the top of the bottom support plate. The installation cylinder sleeves on the magnetic pump. A spiral copper tube is fixedly connected to the outer wall of the magnetic pump. A spiral hole is opened inside the spiral copper tube. A liquid inlet pipe is fixedly connected to one end of the spiral copper tube. A water pump is fixedly connected to the outer wall of the installation cylinder. The water inlet end of the water pump is fixedly connected to the other end of the spiral copper tube through a pipeline. The water discharge end of the water pump is fixedly connected to a liquid discharge pipe. The ends of the liquid discharge pipe and the liquid inlet pipe are fixedly connected with a U-shaped pipe. A plurality of heat dissipation fins are fixedly connected to the outer wall of the U-shaped pipe.

[0006] Preferably, a plurality of support plates are fixedly connected to the top of the bottom support plate, and the end parts of the plurality of support plates are respectively fixedly connected to the outer wall of the installation cylinder.

[0007] Preferably, a first support arm is fixedly connected to the top of the bottom support plate, a second support arm is fixedly connected to the top of the bottom support plate, and the first support arm and the second support arm are respectively fixedly connected to a plurality of heat dissipation fins.

[0008] Preferably, a diversion channel is formed between the spiral copper tube and the installation cylinder. A diversion pipe is fixedly connected to the outer wall of the installation cylinder, and the bottom of the diversion pipe extends into the diversion channel.

[0009] Preferably, an air inlet hood is fixedly connected to the top of the diversion pipe, and a filter screen is fixedly connected to the top of the inner wall of the air inlet hood.

[0010] Preferably, a fixed sleeve is provided on the inner wall of the air inlet hood. A motor is fixedly connected to the inner wall of the fixed sleeve. A connecting shaft is fixedly connected to the output end of the motor, and a fan blade is fixedly connected to the outer wall of the connecting shaft.

[0011] Preferably, a plurality of support rods are fixedly connected to the outer wall of the fixed sleeve, and the ends of the support rods are respectively fixedly connected to the air inlet hood.

[0012] The beneficial effects of the present utility model are as follows:

[0013] 1. In the present utility model, the coolant is poured into the U-shaped tube. The water pump is used to push the coolant inside the U-shaped tube to flow into the spiral copper tube and flow in a cycle, so as to be able to take away the heat generated during the operation of the magnetic pump. The motor drives the connecting shaft to rotate, the connecting shaft drives the fan blade to rotate, and the fan blade conveys the external air into the diversion channel, so that the air flows spirally along the diversion channel, thereby being able to further cool the magnetic pump. At the same time, it can also accelerate the cooling speed of the heat on the outer wall of the spiral copper tube. This design can further improve the heat dissipation efficiency of the magnetic pump by means of the coolant cycle and the spiral flow of air.

[0014] 2. The structure of the device combines the coolant circulation system and the air cooling system skillfully, realizing the compactness of the structure. This design not only reduces the floor area of the equipment, but also simplifies the installation and maintenance process. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0016] Figure 2 is a schematic diagram of the installation structure of the spiral copper tube of the present utility model;

[0017] Figure 3 is a schematic diagram of the installation structure of the first arm and the second arm of the present utility model;

[0018] Figure 4 is a schematic diagram of the structure of the spiral copper tube of the present utility model;

[0019] Figure 5 is a schematic diagram of the installation structure of the fan blade of the present utility model.

[0020] In the figure: 1, machine base; 2, mounting hole; 3, magnetic pump; 4, mounting cylinder; 5, bottom support plate; 6, support plate; 7, first support arm; 8, second support arm; 9, diversion pipe; 10, air inlet hood; 11, fixing sleeve; 12, support rod; 13, motor; 14, connecting shaft; 15, fan blade; 16, filter screen; 17, spiral copper pipe; 18, spiral hole; 19, diversion groove; 20, drain pipe; 21, liquid inlet pipe; 22, U-shaped pipe; 23, heat sink; 24, water pump. Specific embodiments

[0021] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0022] As Figure 1 , Figure 2 and Figure 4 shown, a double-circulation structure of a magnetic drive centrifugal pump includes a machine base 1. Mounting holes 2 are provided at the four corners of the top of the machine base 1. A magnetic pump 3 is fixedly connected to the top of the machine base 1. A bottom support plate 5 is fixedly connected to the top of the machine base 1. An installation cylinder 4 is fixedly connected to the top of the bottom support plate 5. The installation cylinder 4 is sleeved on the magnetic pump 3. A spiral copper pipe 17 is fixedly connected to the outer wall of the magnetic pump 3. A spiral hole 18 is provided inside the spiral copper pipe 17. One end of the spiral copper pipe 17 is fixedly connected to a liquid inlet pipe 21. A water pump 24 is fixedly connected to the outer wall of the installation cylinder 4. The water inlet end of the water pump 24 is fixedly connected to the other end of the spiral copper pipe 17 through a pipeline. The water drainage end of the water pump 24 is fixedly connected to a drain pipe 20. The ends of the drain pipe 20 and the liquid inlet pipe 21 are fixedly connected to a U-shaped pipe 22. A plurality of heat sinks 23 are fixedly connected to the outer wall of the U-shaped pipe 22. A plurality of heat sinks 23 are fixed on the outer wall of the U-shaped pipe 22, and these heat sinks 23 increase the contact area with the air and improve the heat exchange efficiency.

[0023] As Figure 1 shown, a plurality of support plates 6 are fixedly connected to the top of the bottom support plate 5. The ends of the plurality of support plates 6 are respectively fixedly connected to the outer wall of the installation cylinder 4. A first support arm 7 is fixedly connected to the top of the bottom support plate 5. A second support arm 8 is fixedly connected to the top of the bottom support plate 5. The first support arm 7 and the second support arm 8 are respectively fixedly connected to a plurality of heat sinks 23. The supporting effects of the first support arm 7 and the second support arm 8 enhance the stability of the heat sinks 23 and prevent damage or detachment caused by vibration.

[0024] As Figure 2 , Figure 3 and Figure 5As shown, a diversion groove 19 is formed between the spiral copper tube 17 and the mounting cylinder 4. A diversion pipe 9 is fixedly connected to the outer wall of the mounting cylinder 4. The bottom of the diversion pipe 9 extends into the interior of the diversion groove 19. The top of the diversion pipe 9 is fixedly connected to an air inlet hood 10. A filter screen 16 is fixedly connected to the top of the inner wall of the air inlet hood 10. A fixed sleeve 11 is provided on the inner wall of the air inlet hood 10. A motor 13 is fixedly connected to the inner wall of the fixed sleeve 11. A plurality of support rods 12 are fixedly connected to the outer wall of the fixed sleeve 11. The ends of the support rods 12 are respectively fixedly connected to the air inlet hood 10. The output end of the motor 13 is fixedly connected to a connecting shaft 14. A fan blade 15 is fixedly connected to the outer wall of the connecting shaft 14.

[0025] This structure adopts a dual cooling method combining liquid cooling and air cooling. The water pump 24 pushes the coolant to circulate between the spiral copper tube 17 and the U-shaped tube 22, effectively taking away the heat generated during the operation of the magnetic pump 3. At the same time, the motor 13 drives the fan blade 15 to rotate, sucking external air through the air inlet hood 10 and guiding it to the diversion groove 19, further accelerating the heat dissipation from the outer wall of the spiral copper tube 17. This dual cooling mechanism significantly improves the cooling efficiency and ensures the stability of the magnetic pump 3 during long-term operation.

[0026] The magnetic pump 3 uses magnetic coupling technology to achieve contactless power transmission, eliminating the need for traditional mechanical seal devices, fundamentally eliminating the risk of leakage, and ensuring the safety and reliability of the equipment operation.

[0027] Working principle: Pour the coolant into the interior of the U-shaped tube 22. The water pump 24 pushes the coolant inside the U-shaped tube 22 to flow into the interior of the spiral copper tube 17 and circulate reciprocally, thereby being able to take away the heat generated during the operation of the magnetic pump 3. When the coolant flows, it will transfer the heat to a plurality of heat dissipation fins 23, and the coolant can be quickly cooled through the plurality of heat dissipation fins 23.

[0028] The motor 13 drives the connecting shaft 14 to rotate. The connecting shaft 14 drives the fan blade 15 to rotate. The fan blade 15 conveys external air into the interior of the diversion groove 19, causing the air to flow spirally along the diversion groove 19, thereby being able to further cool the magnetic pump 3. At the same time, it can also accelerate the cooling speed of the heat on the outer wall of the spiral copper tube 17.

[0029] It should be noted that the term "including", "comprising" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or further includes elements inherent to such process, method, article or device.

[0030] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A dual-circulation structure of a magnetically driven centrifugal pump, comprising a base (1), characterized in that: The base (1) has mounting holes (2) at four corners of the top, the base (1) is fixedly connected to a magnetic pump (3), the base (1) is fixedly connected to a bottom support plate (5), the bottom support plate (5) is fixedly connected to a mounting tube (4), the mounting tube (4) is sleeved on the magnetic pump (3), the outer wall of the magnetic pump (3) is fixedly connected to a spiral copper tube (17), the spiral copper tube (17) has a spiral hole (18) formed inside, the spiral copper tube (17) is fixedly connected to the magnetic pump (3), and the magnetic pump (3) is fixedly connected to a spiral copper tube (17). One end of the tube (17) is fixedly connected to a liquid inlet pipe (21), the outer wall of the mounting tube (4) is fixedly connected to a water pump (24), the water inlet end of the water pump (24) is fixedly connected to the other end of the spiral copper tube (17) through a pipeline, the water discharge end of the water pump (24) is fixedly connected to a liquid discharge pipe (20), the end of the liquid discharge pipe (20) and the end of the liquid inlet pipe (21) are fixedly connected to a U-shaped tube (22), and the outer wall of the U-shaped tube (22) is fixedly connected to a plurality of heat sinks (23).

2. The dual circulation structure of the magnetic drive centrifugal pump according to claim 1 is characterized in that: A plurality of support plates (6) are fixedly connected to the top of the bottom support plate (5), and the ends of the plurality of support plates (6) are respectively fixedly connected to the outer wall of the mounting tube (4).

3. The dual circulation structure of the magnetic drive centrifugal pump according to claim 1 is characterized in that: A first support arm (7) is fixedly connected to the top of the bottom support plate (5), a second support arm (8) is fixedly connected to the top of the bottom support plate (5), and the first support arm (7) and the second support arm (8) are respectively fixedly connected to a plurality of heat sinks (23).

4. The dual circulation structure of the magnetic drive centrifugal pump according to claim 3 is characterized in that: A flow guide groove (19) is formed between the spiral copper tube (17) and the installation tube (4); a flow guide tube (9) is fixedly connected to the outer wall of the installation tube (4); and the bottom of the flow guide tube (9) extends into the interior of the flow guide groove (19).

5. The dual circulation structure of the magnetic drive centrifugal pump according to claim 4 is characterized in that: The top of the flow guide pipe (9) is fixedly connected to an air inlet cover (10), and the top of the inner wall of the air inlet cover (10) is fixedly connected to a filter screen (16).

6. The dual circulation structure of the magnetic drive centrifugal pump according to claim 5 is characterized in that: The inner wall of the air inlet cover (10) is provided with a fixing sleeve (11), the inner wall of the fixing sleeve (11) is fixedly connected to a motor (13), the output end of the motor (13) is fixedly connected to a connecting shaft (14), and the outer wall of the connecting shaft (14) is fixedly connected to a fan blade (15).

7. The dual circulation structure of the magnetic drive centrifugal pump according to claim 6 is characterized in that: A plurality of support rods (12) are fixedly connected to the outer wall of the fixing sleeve (11), and ends of the support rods (12) are respectively fixedly connected to the air inlet cover (10).

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