CN210829841U - Mechanical seal on high-pressure salt lake delivery pump - Google Patents

Mechanical seal on high-pressure salt lake delivery pump Download PDF

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Publication number
CN210829841U
CN210829841U CN201921975405.1U CN201921975405U CN210829841U CN 210829841 U CN210829841 U CN 210829841U CN 201921975405 U CN201921975405 U CN 201921975405U CN 210829841 U CN210829841 U CN 210829841U
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China
Prior art keywords
ring
sealing
inner shaft
sealing spring
base
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CN201921975405.1U
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Chinese (zh)
Inventor
徐卫忠
徐飞
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Zhangjiagang Xingyu Petrochemical Machinery Co ltd
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Zhangjiagang Xingyu Petrochemical Machinery Co ltd
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Abstract

The utility model relates to a mechanical seal on a high-pressure salt lake delivery pump, which comprises a pump shaft, wherein an inner shaft sleeve is sleeved outside the pump shaft, a threaded hole is arranged on the inner shaft sleeve, a fixing bolt is arranged in the threaded hole, a base is arranged on one side of the threaded hole, the base is sleeved outside the inner shaft sleeve, a mounting groove is arranged on the base, a sealing spring is arranged in the mounting groove, the left end of the sealing spring is provided with a fixing ring, the fixing ring is connected with the sealing spring through a fixing buckle, the left side of the fixing ring is movably provided with a supporting bolt, the supporting bolt is in through connection with the base through a thread, the right end of the sealing spring is provided with a main seal, the main seal comprises a static ring, the left end of the static ring is fixedly connected with the sealing spring, the right side of the static ring is provided, avoid the sealing member impaired to influence the production progress.

Description

Mechanical seal on high-pressure salt lake delivery pump
Technical Field
The utility model relates to a mechanical seal on high pressure salt lake delivery pump belongs to mechanical seal technical field.
Background
The salt lake delivery pump is mainly used in salt lake ore dressing and desulfurization equipment for transporting mineral salt with high concentration, ice blocks and salt slag are easily formed under the low-temperature working condition, widely, because an operation site does not have a fixed point, the operation point is frequently changed, and the fresh water is insufficient, so that regular maintenance and maintenance cannot be carried out, the site is frequently stopped to change mechanical seals blocked by the ice blocks, the production progress is influenced, because the operation site is mobile operation, no fixed site is available, the fresh water flushing mechanical seals are insufficient, a delivery pipeline is large, the flow is large, the suction force of the pump is large, the ice blocks and the salt slag in operation media are sucked into a pump body, main parts in the pump are mechanically sealed, a spring is blocked, and the seal fails, so under the working condition, the pump is frequently stopped for maintenance, the machine seal is changed, the pump cannot run for a long time, the production requirement cannot be met, and the pressure between a static ring and a movable ring cannot be adjusted, affecting the sealing effect of the primary seal.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem who solves overcomes current defect, a mechanical seal on high-pressure salt lake delivery pump is provided, through setting up the inner shaft cover, can make sealing member and pump shaft fix and seal, improve sealed and stability, through setting up sealing spring, can support quiet ring, thereby seal the delivery pump, it has certain pressure to make simultaneously between quiet ring and the rotating ring, avoid revealing, through setting up the separation sleeve, can protect sealing spring, avoid the ice-cube in the operation medium, inside the salt sediment all inhales the pump body, die the spring catch, sealing failure, cause equipment to damage, can effectively solve the problem in the background art.
In order to solve the technical problem, the utility model provides a following technical scheme:
a mechanical seal on a high-pressure salt lake delivery pump comprises a pump shaft, wherein an inner shaft sleeve is sleeved on the outer side of the pump shaft, a threaded hole is formed in the inner shaft sleeve, a fixing bolt is installed in the threaded hole, a machine base is arranged on one side of the threaded hole and sleeved on the outer side of the inner shaft sleeve, a mounting groove is formed in the machine base, a sealing spring is installed in the mounting groove, a fixing ring is installed at the left end of the sealing spring and connected with the sealing spring through a fixing buckle, a supporting bolt is movably installed at the left side of the fixing ring and connected with the machine base in a penetrating mode through threads, a main seal is arranged at the right end of the sealing spring and comprises a stationary ring, the left end of the stationary ring is fixedly connected with the sealing spring, a movable ring is arranged on the right side of the stationary ring and connected with the movable, and a sealing ring is arranged between the movable ring and the inner shaft sleeve, an isolation sleeve is arranged on the inner side of the machine base and corresponds to the position of the sealing spring, and the machine base is arranged on the outer side of the machine base.
Further, a sealing seat is arranged on the inner side of the inner shaft sleeve, and a sealing ring is also installed in the sealing seat.
Furthermore, a guide block is arranged on the outer side of the static ring, and a guide groove matched with the guide block is installed on the inner shaft sleeve.
Further, a sliding seal ring is arranged on the inner side and the outer side of the static ring.
Furthermore, a clamping piece is arranged on the outer side of the threaded hole, the fixing bolt penetrates through the clamping piece, and the other end of the clamping piece is clamped with the base.
The utility model discloses beneficial effect:
1. by arranging the inner shaft sleeve, the sealing element and the pump shaft can be fixed and sealed, and the sealing and the stability are improved;
2. the static ring can be supported by arranging the sealing spring, so that the conveying pump is sealed, and meanwhile, a certain pressure is formed between the static ring and the movable ring, so that leakage is avoided;
3. through setting up the separation sleeve, can protect sealing spring, avoid all inhaling the pump body inside ice-cube, the salt sediment in the operation medium, die the spring card, sealed inefficacy causes equipment to damage.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.
Fig. 1 is a schematic view of a mechanical seal structure on a high-pressure salt lake delivery pump of the utility model.
Fig. 2 is a cross-sectional view of the mechanical seal supporting spring on the high-pressure salt lake delivery pump of the utility model.
Reference numbers in the figures: 1. a pump shaft; 2. an inner sleeve; 3. a threaded hole; 4. fixing the bolt; 5. a machine base; 6. mounting grooves; 7. a seal spring; 8. a fixing ring; 9. a support bolt; 10. primary sealing; 11. a stationary ring; 12. a moving ring; 13. a seal ring; 14. an isolation sleeve; 15. a sealing seat; 16. a guide block; 17. and a fastener.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
The first embodiment is as follows:
as shown in fig. 1-2, a mechanical seal on a high-pressure salt lake delivery pump comprises a pump shaft 1, wherein an inner shaft sleeve 2 is sleeved on the outer side of the pump shaft 1, a sealing element and the pump shaft 1 can be fixed and sealed, the sealing and stability are improved, a threaded hole 3 is formed in the inner shaft sleeve 2, a fixing bolt 4 is installed in the threaded hole 3, a base 5 is arranged on one side of the threaded hole 3, the base 5 is sleeved on the outer side of the inner shaft sleeve 2, an installation groove 6 is formed in the base 5, a sealing spring 7 is installed in the installation groove 6 and can support a stationary ring 11, so that the delivery pump is sealed, a certain pressure is provided between the stationary ring 11 and a movable ring 12 to avoid leakage, a fixing ring 8 is installed at the left end of the sealing spring 7, the fixing ring 8 is connected with the sealing spring 7 through a fixing buckle, and a supporting bolt, just the supporting bolt 9 passes through screw thread and frame 5 through connection, sealing spring 7 right-hand member is equipped with main seal 10, main seal 10 includes quiet ring 11, quiet ring 11 left end and sealing spring 7 fixed connection, quiet ring 11 right side is equipped with rotating ring 12, just mating connection between quiet ring 11 and the rotating ring 12, rotating ring 12 inlays on inner shaft sleeve 2, just install sealing washer 13 between rotating ring 12 and the inner shaft sleeve 2, frame 5 inboard is equipped with separation sleeve 14, can protect sealing spring 7, avoids all absorbing the ice-cube in the operation medium, salt sediment inside the pump body, dies sealing spring 7 card, and sealed inefficacy causes the equipment to damage, just separation sleeve 14 corresponds with sealing spring 7's position.
More specifically, the inboard of interior axle sleeve 2 is equipped with seal receptacle 15, also install sealing washer 13 in the seal receptacle 15, the quiet ring 11 outside is equipped with guide block 16, install the guide way that matches with guide block 16 on the interior axle sleeve 2, the inboard outside of quiet ring 11 is equipped with the slip sealing washer, the screw hole 3 outside is equipped with buckle 17, just fixing bolt 4 runs through buckle 17, the buckle 17 other end and frame 5 joint.
Example two:
and scale marks are arranged on the outer side of the inner shaft sleeve 2, and the positions of the scale marks correspond to the positions of the supporting bolts 9.
The utility model discloses improve in: set up isolation sleeve 14 in sealing spring 7 inboard, can protect sealing spring 7, sealing spring 7 is died by the card, makes sealed inefficacy, extrudees sealing spring 7 through supporting bolt 9 to make and have certain pressure between quiet ring 11 and the rotating ring 12, avoid producing the phenomenon of revealing.
The above is the preferred embodiment of the present invention, and the technical personnel in the field of the present invention can also change and modify the above embodiment, therefore, the present invention is not limited to the above specific embodiment, and any obvious improvement, replacement or modification made by the technical personnel in the field on the basis of the present invention all belong to the protection scope of the present invention.

Claims (5)

1. The utility model provides a mechanical seal on high pressure salt lake delivery pump, includes pump shaft (1), its characterized in that: the pump shaft is characterized in that an inner shaft sleeve (2) is sleeved on the outer side of the pump shaft (1), a threaded hole (3) is formed in the inner shaft sleeve (2), a fixing bolt (4) is installed in the threaded hole (3), a base (5) is arranged on one side of the threaded hole (3), the base (5) is sleeved on the outer side of the inner shaft sleeve (2), an installation groove (6) is formed in the base (5), a sealing spring (7) is installed in the installation groove (6), a fixing ring (8) is installed at the left end of the sealing spring (7), the fixing ring (8) is connected with the sealing spring (7) through a fixing buckle, a supporting bolt (9) is movably installed on the left side of the fixing ring (8), the supporting bolt (9) is in through connection with the base (5) through threads, a main seal (10) is arranged at the right end of the sealing spring (, quiet ring (11) left end and sealing spring (7) fixed connection, quiet ring (11) right side is equipped with rotating ring (12), just mating connection between quiet ring (11) and rotating ring (12), rotating ring (12) inlay on inner shaft cover (2), just install sealing washer (13) between rotating ring (12) and inner shaft cover (2), frame (5) inboard is equipped with spacer sleeve (14), just spacer sleeve (14) correspond with the position of sealing spring (7), frame (5) outside is equipped with frame (5).
2. The mechanical seal on the high-pressure salt lake delivery pump of claim 1, wherein: the inner side of the inner shaft sleeve (2) is provided with a sealing seat (15), and a sealing ring (13) is also arranged in the sealing seat (15).
3. The mechanical seal on the high-pressure salt lake delivery pump of claim 1, wherein: the outer side of the static ring (11) is provided with a guide block (16), and the inner shaft sleeve (2) is provided with a guide groove matched with the guide block (16).
4. The mechanical seal on the high-pressure salt lake delivery pump of claim 1, wherein: and a sliding sealing ring is arranged on the outer side of the inner side of the static ring (11).
5. The mechanical seal on the high-pressure salt lake delivery pump of claim 1, wherein: the outer side of the threaded hole (3) is provided with a clamping piece (17), the fixing bolt (4) penetrates through the clamping piece (17), and the other end of the clamping piece (17) is clamped with the base (5).
CN201921975405.1U 2019-11-15 2019-11-15 Mechanical seal on high-pressure salt lake delivery pump Active CN210829841U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921975405.1U CN210829841U (en) 2019-11-15 2019-11-15 Mechanical seal on high-pressure salt lake delivery pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921975405.1U CN210829841U (en) 2019-11-15 2019-11-15 Mechanical seal on high-pressure salt lake delivery pump

Publications (1)

Publication Number Publication Date
CN210829841U true CN210829841U (en) 2020-06-23

Family

ID=71264414

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921975405.1U Active CN210829841U (en) 2019-11-15 2019-11-15 Mechanical seal on high-pressure salt lake delivery pump

Country Status (1)

Country Link
CN (1) CN210829841U (en)

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