CN211975419U - Circulating pump of explosion-proof magnetic sealing system - Google Patents
Circulating pump of explosion-proof magnetic sealing system Download PDFInfo
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- CN211975419U CN211975419U CN202020545114.5U CN202020545114U CN211975419U CN 211975419 U CN211975419 U CN 211975419U CN 202020545114 U CN202020545114 U CN 202020545114U CN 211975419 U CN211975419 U CN 211975419U
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Abstract
The utility model discloses an explosion-proof magnetic force sealing system circulating pump, including first casing, first casing one end is provided with the back lid, the first casing other end is provided with the second casing, the second casing is kept away from first casing one side and is provided with the stifle, first casing inner chamber is provided with explosion-proof machine, explosion-proof machine is connected with explosion-proof terminal box, just explosion-proof terminal box is located first casing bottom, second casing inner chamber is provided with the impeller cavity, be provided with interior initiative cover subassembly in the impeller cavity, explosion-proof machine passes through magnetic force and drives the impeller rotation, makes the quick flow of sealing liquid among the sealing system, plays the effect of the quick cooling cycle of sealing liquid to extension mechanical seal's life, and improved the security, compare the principle of original thermosiphon, the circulation speed is fast, and the cooling effect is good.
Description
Technical Field
The utility model relates to a water pump technical field specifically is an explosion-proof magnetic force sealing system circulating pump.
Background
The circulating pump is a circulating liquid pump for conveying reaction, absorption, separation and absorption liquid regeneration in the device. Its lift is low and is only used to overcome the pressure drop of the circulation system. A low-lift pump may be used. The circulating pump is the function of the pump, and the centrifugal pump is the structure of the pump, and the two concepts are completely two concepts. The circulating pump is called a circulating pump as the working principle of the circulating pump, for example, hot water in a water heating pipeline is circulated by the circulating pump.
The pump shaft and the motor shaft of circulating pump pass through the coupling joint, are equipped with mechanical seal device between pump shaft and the pump cover, among the practical application process, along with the use of circulating pump, mechanical seal device's leakproofness can receive the influence, and then take place the infiltration phenomenon, because the inside metal parts of circulating pump can take place the corrosion phenomenon with water contact for a long time, especially when the infiltration phenomenon is serious, can be more serious to the damage of the inside parts of circulating pump, and also have serious influence to the life of circulating pump.
Disclosure of Invention
An object of the utility model is to provide an explosion-proof magnetic force sealing system circulating pump to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
an explosion-proof magnetic sealing system circulating pump comprises a first shell, wherein a rear cover is arranged at one end of the first shell, a second shell is arranged at the other end of the first shell, a blank cover is arranged on one side, away from the first shell, of the second shell, an explosion-proof motor is arranged in an inner cavity of the first shell, the explosion-proof motor is connected with an explosion-proof junction box, and the explosion-proof junction box is positioned at the bottom of the first shell;
the explosion-proof motor is characterized in that an impeller cavity is formed in the inner cavity of the second shell, an inner driving sleeve assembly is arranged in the impeller cavity and connected with the shaft portion of the explosion-proof motor, the inner driving sleeve assembly is connected with an outer driven sleeve assembly through an isolation sleeve, and the outer driven sleeve assembly is connected with an impeller.
As a further aspect of the present invention: first casing and second casing mutual contact one side set up and all be provided with four fixed ears, four fixed ear is circumference array distribution, just through bolt fixed connection between first casing and the second casing, through four fixed ears that set up, be convenient for first casing and second casing dismantle and the installation.
As a further aspect of the present invention: impeller cavity one side is provided with impeller cavity lid, just one side that the impeller cavity is close to impeller cavity lid is provided with the seal groove, be provided with first sealing washer in the seal groove, first sealing washer is O type structure, just pass through bolt fixed connection between impeller cavity lid and the impeller cavity, through the cooperation between seal groove and the first sealing washer, improved the leakproofness in impeller cavity.
As a further aspect of the present invention: a wear-resistant check ring is arranged between the inner wall of the impeller cavity and the impeller, and the wear resistance is improved through the wear-resistant check ring, so that the service life is prolonged.
As a further aspect of the present invention: the first shell is located the explosion-proof motor output shaft outside and is provided with the recess, be provided with the second sealing washer in the recess, the second sealing washer is O type structure, through the cooperation between recess and the second sealing washer, has improved the leakproofness of first shell and second casing junction.
Compared with the prior art, the beneficial effects of the utility model are that:
the explosion-proof motor drives the impeller to rotate through magnetic force, so that sealing liquid in the sealing system flows rapidly, and the effect of rapid cooling and circulating of the sealing liquid is achieved, the service life of mechanical sealing is prolonged, the safety is improved, and compared with the original thermosyphon principle, the cooling effect is good.
Drawings
Fig. 1 is a schematic structural diagram of a circulating pump of an explosion-proof magnetic sealing system.
Fig. 2 is a schematic structural diagram of a second shell in a circulation pump of an explosion-proof magnetic sealing system.
In the figure: 1. covering the blank with a cover; 2. an impeller cavity cover; 3. a wear-resistant retainer ring; 4. a first seal ring; 5. an outer driven sleeve assembly; 6. an impeller; 7. an isolation sleeve; 8. an inner active sleeve assembly; 9. an impeller cavity; 10. a second seal ring; 11. a first housing; 12. a rear cover; 13. an explosion-proof junction box; 14. a second housing.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Please refer to fig. 1-2, in the embodiment of the present invention, an explosion-proof magnetic sealing system circulating pump, includes first casing 11, first casing 11 one end is provided with back lid 12, the first casing 11 other end is provided with second casing 14, second casing 14 keeps away from first casing 11 one side and is provided with stifle 1, first casing 11 inner chamber is provided with explosion proof machine, explosion proof machine is connected with explosion proof junction box 13, just explosion proof junction box 13 is located first casing 11 bottom, second casing 14 inner chamber is provided with impeller cavity 9, driving sleeve subassembly 8 in being provided with in the impeller cavity 9, interior driving sleeve subassembly 8 and explosion proof machine axial region are connected, interior driving sleeve subassembly 8 is connected with outer driven sleeve subassembly 5 through spacer 7, outer driven sleeve subassembly 5 is connected with impeller 6.
The four fixing lugs are arranged to facilitate the detachment and installation of the first shell 11 and the second shell 14.
The sealing performance of the impeller cavity 9 is improved through the matching between the sealing groove and the first sealing ring 4.
And a wear-resistant retainer ring 3 is arranged between the inner wall of the impeller cavity 9 and the impeller 6.
Through the wear-resisting retaining ring 3 that sets up, the wearability has been improved to life has been prolonged.
The first shell 11 is located on the outer side of an output shaft of the explosion-proof motor and is provided with a groove, a second sealing ring 10 is arranged in the groove, and the second sealing ring 10 is of an O-shaped structure.
The sealing performance of the joint of the first shell 11 and the second shell 14 is improved through the matching between the groove and the second sealing ring 10.
The utility model discloses a theory of operation is:
the explosion-proof motor drives the impeller 6 to rotate through magnetic force, so that sealing liquid in a sealing system flows rapidly, and the effect of rapid cooling and circulating of the sealing liquid is achieved, the service life of mechanical sealing is prolonged, the safety is improved, and compared with the original thermosyphon principle, the circulating speed is high, and the cooling effect is good.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. The circulating pump of the explosion-proof magnetic sealing system comprises a first shell (11), and is characterized in that one end of the first shell (11) is provided with a rear cover (12), the other end of the first shell (11) is provided with a second shell (14), one side, far away from the first shell (11), of the second shell (14) is provided with a blank cover (1), an inner cavity of the first shell (11) is provided with an explosion-proof motor, the explosion-proof motor is connected with an explosion-proof junction box (13), and the explosion-proof junction box (13) is positioned at the bottom of the first shell (11);
the explosion-proof motor is characterized in that an impeller cavity (9) is formed in the inner cavity of the second shell (14), an inner driving sleeve assembly (8) is arranged in the impeller cavity (9), the inner driving sleeve assembly (8) is connected with the shaft portion of the explosion-proof motor, the inner driving sleeve assembly (8) is connected with an outer driven sleeve assembly (5) through an isolation sleeve (7), and the outer driven sleeve assembly (5) is connected with an impeller (6).
2. The circulating pump of an explosion-proof magnetic sealing system according to claim 1, wherein the first casing (11) and the second casing (14) are provided with four fixing lugs on one side of the casing, the four fixing lugs are distributed in a circumferential array, and the first casing (11) and the second casing (14) are fixedly connected through bolts.
3. The circulating pump of claim 1, wherein an impeller cavity cover (2) is disposed on one side of the impeller cavity (9), a sealing groove is disposed on one side of the impeller cavity (9) close to the impeller cavity cover (2), a first sealing ring (4) is disposed in the sealing groove, the first sealing ring (4) is of an O-shaped structure, and the impeller cavity cover (2) and the impeller cavity (9) are fixedly connected through a bolt.
4. An explosion-proof magnetic sealing system circulating pump according to claim 1, characterized in that a wear-resistant retainer ring (3) is arranged between the inner wall of the impeller cavity (9) and the impeller (6).
5. The circulating pump of an explosion-proof magnetic sealing system according to claim 1, wherein the first housing (11) is provided with a groove outside the output shaft of the explosion-proof motor, a second sealing ring (10) is arranged in the groove, and the second sealing ring (10) is of an O-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020545114.5U CN211975419U (en) | 2020-04-14 | 2020-04-14 | Circulating pump of explosion-proof magnetic sealing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020545114.5U CN211975419U (en) | 2020-04-14 | 2020-04-14 | Circulating pump of explosion-proof magnetic sealing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211975419U true CN211975419U (en) | 2020-11-20 |
Family
ID=73384503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020545114.5U Active CN211975419U (en) | 2020-04-14 | 2020-04-14 | Circulating pump of explosion-proof magnetic sealing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211975419U (en) |
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2020
- 2020-04-14 CN CN202020545114.5U patent/CN211975419U/en active Active
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