High-temperature magnetic drive pump

Abstract

The utility model discloses a high-temperature magnetic drive pump which comprises a base, a motor is arranged at one end of the base, a magnetic drive pump body is arranged at the output end of the motor, a coupler structure is arranged between the magnetic drive pump body and the motor, a cooling coil is arranged on the outer side of the coupler structure in a covering mode, and a circulating cooling structure is connected between the two ends of the cooling coil. A spark-proof protective cover is arranged on the outer side of the cooling coil pipe, a blowing pipe set matched with the cooling coil pipe is arranged on the spark-proof protective cover, a blowing assembly is connected to the blowing pipe set, an input pipe and an output pipe which are matched with each other are arranged on the magnetic drive pump body, and a filter screen plate is arranged in the input pipe; according to the magnetic drive pump, transmission of heat in the direction of the motor can be reduced, and meanwhile good filtering of media in the conveying process of the magnetic drive pump can be achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of magnetic pumps, and more specifically, to a high-temperature magnetic pump. Background Art

[0002] High temperature magnetic pump is a kind of equipment that realizes contactless torque transmission through magnetic transmission (magnetic coupling) to replace dynamic seal with static seal, so that the pump is completely leak-free. It is mainly used in petroleum, chemical, dye, pharmaceutical, nuclear power and other industries. It is an ideal equipment for conveying flammable, explosive, volatile, corrosive, toxic, rare and precious media.

[0003] Since the pump shaft and internal magnetic rotor are completely enclosed by the pump body and isolation sleeve, the problems of "escape, bubbling, dripping and leakage" are completely solved, and the safety hazard of flammable, explosive, toxic and harmful media leaking through the pump seal in industries such as petroleum refining and chemical industry is eliminated, which effectively guarantees the physical and mental health of employees and safe production.

[0004] During the use of the existing high-temperature magnetic pump, the heat of the pump body of the magnetic pump is easily transferred to the motor through the coupling structure due to the high-temperature medium being transported. In this way, the motor is in a high-temperature state for a long time, which will affect the service life and performance of the motor;

[0005] In addition, the existing high-temperature magnetic pump is not convenient for filtering the transported medium, so that impurities in the medium are easily precipitated inside the high-temperature magnetic pump, affecting the transport effect of the high-temperature magnetic pump. Summary of the invention

[0006] In view of the problems existing in the prior art, the utility model provides a high-temperature magnetic pump to solve the technical problems mentioned in the background technology that during the use of the high-temperature magnetic pump in the prior art, the high temperature of the conveying medium is easily transmitted to the motor, affecting the use effect of the motor and making it inconvenient to filter the conveyed medium.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] A high-temperature magnetic pump comprises a base, one end of which is provided with a motor, an output end of which is provided with a magnetic pump body, a coupling structure is provided between the magnetic pump body and the motor, an outer cover of the coupling structure is provided with a cooling coil, a circulating cooling structure is connected between the two ends of the cooling coil, an anti-spark protective cover is provided on the outer side of the cooling coil, a blowing pipe group is provided on the anti-spark protective cover in conjunction with the cooling coil, a blowing assembly is connected to the blowing pipe group, an input pipe and an output pipe that cooperate with each other are provided on the magnetic pump body, a filter screen is provided inside the input pipe, a debris discharge pipe is provided at the bottom end of the input pipe in conjunction with the filter screen, and a sealing valve is provided on the debris discharge pipe.

[0009] The utility model is further configured such that a recoil pipe is provided between the output pipe and the input pipe, a reinforcing pump is provided on the recoil pipe, and the tail end of the recoil pipe is located at the medium outflow side of the filter screen plate. The arrangement of the recoil pipe and the reinforcing pump can realize the cleaning of the filter screen plate and improve the circulation effect of the input pipe.

[0010] The utility model is further configured that the blowing assembly includes a fan, an air supply pipe is connected between the output end of the fan and the blowing pipe group, and air supply to the blowing pipe group can be achieved through the cooperation of the fan and the air supply pipe.

[0011] The utility model is further configured as follows: the coupling structure includes a coupling body arranged at the output end of the motor and the input end of the magnetic pump body, a coupling middle section is arranged between the two groups of coupling bodies, an elastic diaphragm is arranged between the coupling body and the coupling middle section, and the corresponding coupling bodies and coupling middle sections are connected and fixed by a bolt assembly, and the cooperation between the coupling body, the coupling middle section and the elastic diaphragm can improve the shock absorbing effect of the overall coupling structure during use.

[0012] The utility model is further configured such that the circulating cooling structure includes a circulating water tank, a circulating pipe group is arranged between the circulating water tank and the cooling coil, a water pump and a refrigerator are arranged on the circulating pipe group, and circulating cooling of the cooling medium can be achieved through the cooperation of the circulating water tank, the circulating pipe group, the water pump and the refrigerator.

[0013] The utility model is further configured such that the circulation pipe group includes a circulation water inlet pipe at one end of the circulation water tank connected to the cooling coil, and a circulation water outlet pipe is provided at the other end of the circulation water tank and the cooling coil, the water pump is arranged on the circulation water inlet pipe, and the refrigerator is arranged on the circulation water outlet pipe, and the circulation flow of the cooling medium can be realized through the cooperation of the circulation water inlet pipe and the circulation water outlet pipe.

[0014] The utility model is further configured such that a natural heat dissipation section is provided on the circulating water outlet pipe, and a plurality of heat dissipation fins are evenly provided on the natural heat dissipation section. Natural heat dissipation of the circulating water outlet pipe can be achieved through the cooperation of the natural heat dissipation section and the heat dissipation fins.

[0015] The utility model is further configured that the bottom end of the input pipe is connected to the impurity discharge pipe and is provided with a sedimentation bucket, and the intercepted impurities can be precipitated at the input pipe through the setting of the sedimentation bucket.

[0016] Compared with the prior art, the utility model provides a high-temperature magnetic pump, which has the following beneficial effects:

[0017] 1. The utility model provides a cooling coil on the outer cover of the coupling structure, and connects a circulating cooling structure between the two ends of the cooling coil. In this way, the circulating cooling structure can realize the circulation of the cooling medium in the cooling coil, so that the coupling structure can be cooled. In this way, the high temperature of the pump body during the medium transportation process can be prevented from being transmitted to the motor direction, reducing the damage to the motor caused by the high temperature and improving the performance of the motor.

[0018] 2. The utility model is provided with a spark-proof protective cover on the outside of the cooling coil, so that the protection at the coupling structure can be strengthened. At the same time, a blowing pipe group is provided on the spark-proof protective cover in conjunction with the cooling coil, and a blowing assembly is connected to the blowing pipe group. The blowing assembly can supply air to the blowing pipe group, so that the cooling coil can be blown through the blowing pipe group, so that the cold air flow can be better blown on the coupling structure, thereby strengthening the cooling effect at the coupling structure position.

[0019] 3. In the utility model, a filter screen is provided inside the input pipe, and a debris discharge pipe is provided at the bottom of the input pipe in cooperation with the filter screen, and a sealing valve is provided on the debris discharge pipe. Thus, when the medium of the magnetic pump body is input, the input medium can be filtered through the filter screen, thereby improving the medium conveying effect. At the same time, the impurities intercepted by the filter screen can be discharged outwardly through the debris discharge pipe. The setting of the sealing valve facilitates the control of the opening and closing of the debris discharge pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the overall structure of a high-temperature magnetic pump in the utility model;

[0021] Figure 2 The overall structure of the utility model is decomposed as shown in FIG. Figure 1 ;

[0022] Figure 3 The overall structure of the utility model is decomposed as shown in FIG. Figure 2 ;

[0023] Figure 4 It is a schematic diagram of the connection structure between the motor, the coupling structure and the pump body of the magnetic pump in the utility model;

[0024] Figure 5 It is an exploded schematic diagram of the connection structure between the motor, the coupling structure and the pump body of the magnetic pump in the utility model;

[0025] Figure 6 It is a schematic cross-sectional view of the internal structure of the input pipe in the utility model.

[0026] In the figure: 1. base; 2. motor; 3. magnetic pump body; 4. coupling structure; 5. cooling coil; 6. spark protection cover; 7. blow pipe group; 8. input pipe; 9. output pipe; 10. filter screen; 11. exhaust pipe; 12. sealing valve; 13. recoil pipe; 14. reinforced pump; 15. fan; 16. air supply pipe; 17. coupling body; 18. coupling middle section; 19. elastic diaphragm; 20. circulating water tank; 21. circulating pipe group; 22. water pump; 23. refrigerator; 24. circulating water inlet pipe; 25. circulating water outlet pipe; 26. natural heat dissipation section; 27. heat dissipation fins; 28. sedimentation bucket. DETAILED DESCRIPTION

[0027] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0028] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meanings as commonly understood by ordinary technicians in the technical field to which this application belongs.

[0029] In the present invention, unless otherwise specified, directions such as "up" and "down" are usually used in reference to the directions shown in the drawings, or in reference to the vertical, perpendicular or gravity direction; similarly, for ease of understanding and description, "left" and "right" are usually used in reference to the left and right shown in the drawings; "inside" and "outside" refer to the inside and outside relative to the outline of each component itself, but the above-mentioned directions are not used to limit the present invention.

[0030] See also Figure 1-6 A high-temperature magnetic pump comprises a base 1, a motor 2 is arranged at one end of the base 1, a magnetic pump body 3 is arranged at the output end of the motor 2, a coupling structure 4 is arranged between the magnetic pump body 3 and the motor 2, a cooling coil 5 is arranged on the outer cover of the coupling structure 4, a circulating cooling structure is connected between the two ends of the cooling coil 5, a spark-proof protective cover 6 is arranged on the outer side of the cooling coil 5, a blowing pipe group 7 is arranged on the spark-proof protective cover 6 in cooperation with the cooling coil 5, a blowing assembly is connected to the blowing pipe group 7, an input pipe 8 and an output pipe 9 which cooperate with each other are arranged on the magnetic pump body 3, a filter screen plate 10 is arranged inside the input pipe 8, a drainage pipe 11 is arranged at the bottom end of the input pipe 8 in cooperation with the filter screen plate 10, and a sealing valve 12 is arranged on the drainage pipe 11.

[0031] In this embodiment, the utility model provides a cooling coil 5 on the outer cover of the coupling structure 4, and connects a circulating cooling structure between the two ends of the cooling coil 5. In this way, the cooling medium can circulate in the cooling coil 5 through the circulating cooling structure, so that the coupling structure 4 can be cooled. In this way, the high temperature of the pump body during the medium transportation process can be prevented from being transmitted to the direction of the motor 2, thereby reducing the damage to the motor 2 caused by the high temperature and improving the performance of the motor 2.

[0032] More specifically, the utility model is provided with a spark-proof protective cover 6 on the outer side of the cooling coil 5, so that the protection at the coupling structure 4 can be strengthened, and at the same time, a blowing pipe group 7 is provided on the spark-proof protective cover 6 to cooperate with the cooling coil 5, and a blowing assembly is connected to the blowing pipe group 7, and the blowing assembly can be used to supply air to the blowing pipe group 7, so that the cooling coil 5 can be blown through the blowing pipe group 7, so that the cold air flow can be better blown on the coupling structure 4, thereby strengthening the cooling effect at the position of the coupling structure 4.

[0033] Furthermore, in the utility model, a filter screen plate 10 is provided inside the input pipe 8, and a drainage pipe 11 is provided at the bottom end of the input pipe 8 in cooperation with the filter screen plate 10, and a sealing valve 12 is provided on the drainage pipe 11. In this way, when the medium of the magnetic pump body 3 is input, the input medium can be filtered by the filter screen plate 10, thereby improving the conveying effect of the medium. At the same time, the impurities intercepted by the filter screen plate 10 can be discharged outwardly through the drainage pipe 11. The setting of the sealing valve 12 facilitates the control of the opening and closing of the drainage pipe 11.

[0034] See also Figure 1 and Figure 6 As an implementation of the magnetic pump body 3: a recoil pipe 13 is arranged between the output pipe 9 and the input pipe 8, a reinforcement pump 14 is arranged on the recoil pipe 13, and the tail end of the recoil pipe 13 is located on the medium outflow side of the filter screen plate 10.

[0035] Specifically, the boost pump 14 is started. Under the action of the boost pump 14, the circulating medium in the output pipe 9 can be drawn outward through the backflush pipe 13, and transported to the input pipe 8, and blown out in the opposite direction toward the filter screen 10, thereby achieving the blowing and cleaning of the filter screen 10 and ensuring the smoothness of the transport of the input pipe 8.

[0036] See also Figure 2 As an implementation of the blowing assembly: the blowing assembly includes a fan 15, and an air supply pipe 16 is connected between the output end of the fan 15 and the blowing pipe group 7.

[0037] Specifically, the fan 15 is started, and the airflow can be transported to the blowing pipe group 7 through the air supply pipe 16 by the fan 15, and blown out through the blowing pipe group 7.

[0038] See also Figure 4 and Figure 5 , as an implementation of the coupling structure 4: the coupling structure 4 includes a coupling body 17 arranged at the output end of the motor 2 and the input end of the magnetic pump body 3, a coupling middle section 18 is arranged between the two sets of coupling bodies 17, an elastic diaphragm 19 is arranged between the coupling body 17 and the coupling middle section 18, and the corresponding coupling bodies 17 and coupling middle sections 18 are connected and fixed by bolt assemblies.

[0039] Specifically, the elastic diaphragm 19 can be provided to enhance the connection elasticity between the coupling body 17 and the coupling middle section 18, thereby reducing the influence of factors such as vibration during operation between the motor 2 and the magnetic pump body 3.

[0040] See also Figure 3 As an implementation of the circulating cooling structure: the circulating cooling structure includes a circulating water tank 20, a circulating pipe group 21 is arranged between the circulating water tank 20 and the cooling coil 5, and a water pump 22 and a refrigerator 23 are arranged on the circulating pipe group 21;

[0041] The circulation pipe group 21 includes a circulation water inlet pipe 24 connected to one end of the circulation water tank 20 and the cooling coil 5, and a circulation water outlet pipe 25 is provided at the other end of the circulation water tank 20 and the cooling coil 5, the water pump 22 is arranged on the circulation water inlet pipe 24, and the refrigerator 23 is arranged on the circulation water outlet pipe 25.

[0042] Specifically, the water pump 22 is started to draw the cooling medium from the circulating water tank 20, and is transported to the cooling coil 5 through the circulating water inlet pipe 24, and circulates in the cooling coil 5, thereby achieving cooling of the coupling assembly. Afterwards, the cooling medium circulates back to the circulating water tank 20 through the circulating water outlet pipe 25. During this process, the cooling medium will be cooled by the refrigerator 23, so that the cooling medium is in a low-temperature state when it returns to the circulating water tank 20, thereby better achieving cooling of the coupling structure 4.

[0043] See also Figure 3 As an implementation of the circulating water outlet pipe 25 , a natural heat dissipation section 26 is provided on the circulating water outlet pipe 25 , and a plurality of heat dissipation fins 27 are evenly provided on the natural heat dissipation section 26 .

[0044] Specifically, the cooperation between the natural heat dissipation section 26 and the heat dissipation fins 27 can realize natural heat dissipation cooling when the circulating water outlet pipe 25 flows to the refrigerator 23, so that the heat dissipation effect of the cooling medium can be enhanced and the energy consumption of the refrigerator 23 can be reduced.

[0045] See also Figure 6 As an implementation method of the input pipe 8: the bottom end of the input pipe 8 is connected to the impurity discharge pipe 11 and is provided with a sedimentation bucket 28.

[0046] Specifically, the precipitation hopper 28 can be provided to precipitate the impurities intercepted by the filter screen 10, thereby preventing the impurities from settling in the slag discharge pipe and affecting the flow of the conveying medium.

[0047] In summary, when the overall equipment is in use:

[0048] The conveying medium is input through the input pipe 8 and discharged outwardly through the output end. During this process, the medium can be filtered through the filter screen plate 10, thereby improving the conveying cleanliness of the medium. The impurities intercepted by the filter screen plate 10 can be precipitated in the sedimentation hopper 28. When the intercepted impurities need to be discharged outwardly, the sealing valve 12 can be controlled to open, and the precipitated impurities can be discharged outwardly through the impurity discharge pipe 11 to achieve impurity cleaning;

[0049] The motor 2 drives the magnetic pump body 3 to operate through the coupling structure 4. During this process, the water pump 22 and the fan 15 are started;

[0050] Under the action of the water pump 22, the cooling medium can be drawn out from the circulating water tank 20, and transported to the cooling coil 5 through the circulating water inlet pipe 24, and circulated in the cooling coil 5, so as to achieve the cooling of the coupling assembly. After that, the cooling medium circulates back to the circulating water tank 20 through the circulating water outlet pipe 25. During this process, the cooling medium will be cooled by the refrigerator 23, so that the cooling medium is in a low temperature state when it returns to the circulating water tank 20, so as to better achieve the cooling of the coupling structure 4;

[0051] Synchronously, under the action of the fan 15, the airflow can be transported to the blowing pipe group 7 through the air supply pipe 16 and blown out through the blowing pipe group 7, so that the airflow blows through the surface of the cooling coil 5, so that the cold airflow blows on the surface of the coupling structure 4, thereby enhancing the cooling effect of the coupling structure 4, thereby avoiding the high temperature in the magnetic pump body 3 from being transferred toward the motor 2.

[0052] In all the schemes mentioned above, the connection between two parts can be selected according to actual conditions by welding, bolt and nut matching connection, bolt or screw connection or other well-known connection methods, which are not described here one by one. In the above, all fixed connections are preferably welded. Although the embodiments of the utility model have been shown and described, it can be understood by ordinary technicians in this field that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the utility model. The scope of the utility model is defined by the attached claims and their equivalents.

Claims

1. A high-temperature magnetic pump, comprising a base (1), a motor (2) being arranged at one end of the base (1), a magnetic pump body (3) being arranged at the output end of the motor (2), a coupling structure (4) being arranged between the magnetic pump body (3) and the motor (2), wherein: The outer cover of the coupling structure (4) is provided with a cooling coil (5), and a circulating cooling structure is connected between the two ends of the cooling coil (5). The outer side of the cooling coil (5) is provided with a spark-proof protective cover (6), and a blowing pipe group (7) is provided on the spark-proof protective cover (6) in cooperation with the cooling coil (5), and a blowing assembly is connected to the blowing pipe group (7). The pump body (3) of the magnetic pump is provided with an input pipe (8) and an output pipe (9) that cooperate with each other, and a filter screen (10) is provided inside the input pipe (8). A debris discharge pipe (11) is provided at the bottom end of the input pipe (8) in cooperation with the filter screen (10), and a sealing valve (12) is provided on the debris discharge pipe (11).

2. A high temperature magnetic pump according to claim 1, characterized in that: A recoil pipe (13) is provided between the output pipe (9) and the input pipe (8), a booster pump (14) is provided on the recoil pipe (13), and the tail end of the recoil pipe (13) is located on the outflow side of the medium of the filter screen plate (10).

3. A high temperature magnetic pump according to claim 1, characterized in that: The blowing assembly comprises a fan (15), and an air supply pipe (16) is connected between the output end of the fan (15) and the blowing pipe group (7).

4. A high temperature magnetic pump according to claim 1, characterized in that: The coupling structure (4) comprises a coupling body (17) arranged at the output end of the motor (2) and the input end of the magnetic pump body (3); a coupling middle section (18) is arranged between two groups of the coupling bodies (17); an elastic diaphragm (19) is arranged between the coupling body (17) and the coupling middle section (18); and the corresponding coupling bodies (17) and coupling middle sections (18) are connected and fixed by bolt assemblies.

5. A high temperature magnetic pump according to any one of claims 1 to 4, characterized in that: The circulating cooling structure comprises a circulating water tank (20), a circulating pipe group (21) is arranged between the circulating water tank (20) and the cooling coil (5), and a water pump (22) and a refrigerator (23) are arranged on the circulating pipe group (21).

6. A high temperature magnetic pump according to claim 5, characterized in that: The circulation pipe group (21) comprises a circulation water inlet pipe (24) connected to one end of the circulation water tank (20) and the cooling coil (5), and a circulation water outlet pipe (25) is provided between the other end of the circulation water tank (20) and the cooling coil (5), the water pump (22) is provided on the circulation water inlet pipe (24), and the refrigerator (23) is provided on the circulation water outlet pipe (25).

7. A high temperature magnetic pump according to claim 6, characterized in that: The circulating water outlet pipe (25) is provided with a natural heat dissipation section (26), and a plurality of heat dissipation fins (27) are evenly arranged on the natural heat dissipation section (26).

8. A high temperature magnetic pump according to claim 1, characterized in that: The bottom end of the input pipe (8) is connected to the impurity discharge pipe (11) and is provided with a sedimentation hopper (28).

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