CN218031414U - Double-end-face mechanical sealing assembly suitable for gypsum pump - Google Patents
Double-end-face mechanical sealing assembly suitable for gypsum pump Download PDFInfo
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- CN218031414U CN218031414U CN202221927334.XU CN202221927334U CN218031414U CN 218031414 U CN218031414 U CN 218031414U CN 202221927334 U CN202221927334 U CN 202221927334U CN 218031414 U CN218031414 U CN 218031414U
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Abstract
The utility model discloses a double mechanical seal subassembly suitable for gypsum pump relates to mechanical seal technical field. This double mechanical seal subassembly suitable for gypsum pump, including pump shaft, gland, sealed chamber and elastic element, the outside of pump shaft is provided with the axle sleeve, the upper and lower both sides of gland are provided with respectively washes the import pipe and washes the outlet pipe, the outside of axle sleeve is provided with the quiet ring of medium side and medium side rotating ring, install twice sealed supplementary circle additional on the quiet ring of medium side, the outside of axle sleeve is provided with the quiet ring of atmosphere side rotating ring and atmosphere side, be provided with the rotating ring seat between atmosphere side rotating ring and the medium side rotating ring. The utility model discloses the sealing ring adopts the sic material, and the movable ring adds the impact that O type sealing washer buffering equipment started, stopped the in-process. The first end face is used for medium sealing, the second end face is used for buffer liquid sealing, the elastic element is in zero contact with the medium, and the buffer liquid is cooled and washed while partial medium is prevented from gathering at the spring due to micro leakage.
Description
Technical Field
The utility model relates to a mechanical seal technical field especially relates to a double mechanical seal subassembly suitable for gypsum pump.
Background
The mechanical seal is a device for preventing fluid leakage, which is composed of at least one pair of end faces perpendicular to the rotation axis, and the end faces are kept in fit and relatively slide under the action of fluid pressure and the elastic force (or magnetic force) of a compensation mechanism and the cooperation of an auxiliary seal.
The mechanical seal of the original gypsum extraction pump of the desulfurization device of Debao Lu corporation adopts a single-end-face sealing mechanism, the elastic element is designed into a multi-spring and small-spring structure, and in the practical application process, because the elastic element (spring) is in direct contact with a medium (calcium carbonate and calcium sulfite), the medium has the characteristics of easy scaling and multiple particles, so that the mechanical seal elastic element fails to work, and the seal fails.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a double mechanical seal subassembly suitable for gypsum pump has solved the fragile technical problem of current mechanical seal.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a bi-polar face mechanical seal subassembly suitable for gypsum pump, includes pump shaft, gland, sealed chamber and elastic element, the outside of pump shaft is provided with the axle sleeve, the upper and lower both sides of gland are provided with respectively washes the import pipe and washes the outlet pipe, the outside of axle sleeve is provided with the quiet ring of medium side and medium side rotating ring, install twice sealed supplementary circle additional on the quiet ring of medium side, the outside of axle sleeve is provided with the quiet ring of atmosphere side rotating ring and atmosphere side, be provided with the rotating ring seat between atmosphere side rotating ring and the medium side rotating ring, atmosphere side rotating ring and medium side rotating ring pass through the rotating ring seat to be fixed on the axle sleeve, elastic element provides elasticity and makes the quiet ring of medium side and medium side rotating ring, atmosphere side rotating ring and the quiet ring of atmosphere side closely laminate.
Preferably, the peripheral wall of the gland is provided with a cooling liquid inlet and outlet, and the flushing inlet pipe and the flushing outlet pipe are communicated with the sealing cavity through the cooling liquid inlet and outlet.
Preferably, the medium side stationary ring and the medium side moving ring are adjacent to each other, and end faces of the medium side stationary ring and the medium side moving ring are in close contact with each other.
Preferably, the atmosphere side rotating ring and the atmosphere side stationary ring are adjacent to each other, and end faces of the atmosphere side rotating ring and the atmosphere side stationary ring are in close contact with each other.
Preferably, a transmission screw is arranged in the movable ring seat, and the movable ring seat rotates along with the pump shaft through the transmission screw so as to enable the movable ring and the stationary ring to slide relatively.
Compared with the prior art, the utility model provides a pair of double mechanical seal subassembly suitable for gypsum pump has following beneficial effect:
1. the utility model provides a double mechanical seal subassembly suitable for gypsum pump adopts single spring double mechanical seal for the pump to solve the fragile shortcoming of former mechanical seal. The first end face is used for medium sealing, the second end face is used for buffer liquid sealing, the elastic element is in zero contact with the medium, and the buffer liquid is cooled and washed while partial medium is prevented from being gathered at the spring due to micro leakage.
2. The utility model provides a double mechanical seal subassembly suitable for gypsum pump, sealing ring adopt the sic material, and the rotating ring adds the impact that O type sealing washer buffer device started, stopped the in-process, protects equipment, extension equipment life.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1. a pump shaft; 2. a shaft sleeve; 3. a gland; 4. sealing the cavity; 5. flushing the inlet pipe; 6. flushing the outlet pipe; 7. a medium side stationary ring; 8. a media side rotating ring; 9. a moving ring seat; 10. an elastic element; 11. an atmosphere side rotating ring; 12. atmosphere side stationary ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the 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 efforts all belong to the protection scope of the present invention.
The first embodiment is as follows:
referring to fig. 1, the present invention provides a technical solution: the utility model provides a double mechanical seal subassembly suitable for gypsum pump, including pump shaft 1, gland 3, seal chamber 4 and elastic element 10, the outside of pump shaft 1 is provided with axle sleeve 2, gland 3's upper and lower both sides are provided with respectively washes import pipe 5 and washing outlet pipe 6, the outside of axle sleeve 2 is provided with static ring 7 of medium side and medium side rotating ring 8, static ring 7 of medium side and medium side rotating ring 8 are adjacent, and the terminal surface of static ring 7 of medium side and medium side rotating ring 8 hugs closely each other, install two sealed auxiliary rings additional on the static ring 7 of medium side, the outside of axle sleeve 2 is provided with static ring 11 of atmosphere side and the static ring 12 of atmosphere side, static ring 11 of atmosphere side and the static ring 12 of atmosphere side are adjacent, and the terminal surface of static ring 11 of atmosphere side and the static ring 12 of atmosphere side hug closely each other, be provided with rotating ring seat 9 between static ring 11 of atmosphere side and the medium side rotating ring 8, static ring 11 of atmosphere side and medium side rotating ring 8 of atmosphere side pass through rotating ring seat 9 and fix on axle sleeve 2, elastic element 10 provides elasticity and makes static ring 7 of medium side and medium side rotating ring 8, atmosphere side and the static ring 11 and the inseparable closely laminating of atmosphere side.
In this embodiment, the medium side stationary ring 7 and the medium side moving ring 8 are mainly used for medium sealing, and the medium side stationary ring 7 is additionally provided with two auxiliary sealing rings. The atmosphere side moving ring 11 and the atmosphere side static ring 12 are atmosphere side sealing moving and static rings and are mainly used for sealing flushing liquid (water). The elastic element 10 (designed as a large spring) provides elasticity for the medium side movable ring 8 and the atmosphere side movable ring 11 to seal the movable ring so as to enable the movable ring and the static ring to be tightly attached.
Wherein, the peripheral wall of the gland 3 is provided with a cooling liquid inlet and outlet, and the flushing inlet pipe 5 and the flushing outlet pipe 6 are communicated with the sealing cavity 4 through the cooling liquid inlet and outlet.
In this embodiment, wash import pipe 5 and wash outlet pipe 6 and import and export for 4 flush fluids in sealed chamber, the clean water washes away trace leakage medium for sealed friction cooling in the time, prevents that the medium from solidifying in sealed chamber, extension machine seals life.
Wherein, the movable ring seat 9 is internally provided with a transmission screw, and the movable ring seat 9 rotates along with the pump shaft 1 through the transmission screw to enable the movable ring and the static ring to relatively slide.
The working principle is as follows: the medium side static ring 7 and the medium side dynamic ring 8 are mainly used for medium sealing, and the medium side static ring 7 is additionally provided with two sealing auxiliary rings. The atmosphere side movable ring 11 and the atmosphere side stationary ring 12 are atmosphere side sealing movable and stationary rings, and are mainly used for sealing flushing liquid (water). The elastic element 10 (designed as a large spring) provides elasticity for the medium side moving ring 8 and the atmosphere side moving ring 11 to seal the moving ring so as to enable the moving ring and the static ring to be tightly attached. The movable ring seat 9 is internally provided with a transmission screw which rotates along with the pump shaft 1 to enable the movable ring and the static ring to slide relatively, the flushing inlet pipe 5 and the flushing outlet pipe 6 are flushing fluid inlets and outlets of the sealing cavity 4, and the cleaning water washes away trace leakage media while reducing the temperature through sealing friction, so that the media are prevented from being solidified in the sealing cavity, and the service life of the mechanical seal is prolonged.
Claims (5)
1. The utility model provides a double mechanical seal subassembly suitable for gypsum pump, includes pump shaft (1), gland (3), sealed chamber (4) and elastic element (10), its characterized in that: the pump comprises a pump shaft (1), and is characterized in that a shaft sleeve (2) is arranged on the outer side of the pump shaft (1), a flushing inlet pipe (5) and a flushing outlet pipe (6) are respectively arranged on the upper side and the lower side of a gland (3), a medium side static ring (7) and a medium side dynamic ring (8) are arranged on the outer side of the shaft sleeve (2), two sealing auxiliary rings are additionally arranged on the medium side static ring (7), an atmosphere side dynamic ring (11) and an atmosphere side static ring (12) are arranged on the outer side of the shaft sleeve (2), a dynamic ring seat (9) is arranged between the atmosphere side dynamic ring (11) and the medium side dynamic ring (8), the atmosphere side dynamic ring (11) and the medium side dynamic ring (8) are fixed on the shaft sleeve (2) through the dynamic ring seat (9), and an elastic element (10) provides elasticity to enable the medium side static ring (7) and the medium side dynamic ring (8), the atmosphere side dynamic ring (11) and the atmosphere side static ring (12) to be tightly attached.
2. A double mechanical seal assembly adapted for use in a gypsum pump according to claim 1, wherein: and a cooling liquid inlet and outlet is formed in the peripheral wall of the gland (3), and the flushing inlet pipe (5) and the flushing outlet pipe (6) are communicated with the sealing cavity (4) through the cooling liquid inlet and outlet.
3. A double mechanical seal assembly for a gypsum pump according to claim 1, wherein: the medium side static ring (7) is adjacent to the medium side dynamic ring (8), and the end surfaces of the medium side static ring (7) and the medium side dynamic ring (8) are tightly attached to each other.
4. A double mechanical seal assembly for a gypsum pump according to claim 1, wherein: the atmosphere side rotating ring (11) and the atmosphere side static ring (12) are adjacent, and the end surfaces of the atmosphere side rotating ring (11) and the atmosphere side static ring (12) are tightly attached to each other.
5. A double mechanical seal assembly adapted for use in a gypsum pump according to claim 1, wherein: the driving screw is arranged in the movable ring seat (9), and the movable ring seat (9) rotates along with the pump shaft (1) through the driving screw to enable the movable ring and the static ring to slide relatively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221927334.XU CN218031414U (en) | 2022-07-22 | 2022-07-22 | Double-end-face mechanical sealing assembly suitable for gypsum pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221927334.XU CN218031414U (en) | 2022-07-22 | 2022-07-22 | Double-end-face mechanical sealing assembly suitable for gypsum pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218031414U true CN218031414U (en) | 2022-12-13 |
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ID=84385624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221927334.XU Active CN218031414U (en) | 2022-07-22 | 2022-07-22 | Double-end-face mechanical sealing assembly suitable for gypsum pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218031414U (en) |
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2022
- 2022-07-22 CN CN202221927334.XU patent/CN218031414U/en active Active
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