CN209943522U - Novel adjustable anhydrous mechanical seal device of desulfurization circulating pump - Google Patents
Novel adjustable anhydrous mechanical seal device of desulfurization circulating pump Download PDFInfo
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- CN209943522U CN209943522U CN201920738003.3U CN201920738003U CN209943522U CN 209943522 U CN209943522 U CN 209943522U CN 201920738003 U CN201920738003 U CN 201920738003U CN 209943522 U CN209943522 U CN 209943522U
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- spring
- adjustable
- circulating pump
- ring
- anhydrous
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- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 28
- 230000023556 desulfurization Effects 0.000 title claims abstract description 28
- 238000007789 sealing Methods 0.000 claims description 39
- 230000003068 static effect Effects 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 230000007306 turnover Effects 0.000 claims description 2
- 230000006835 compression Effects 0.000 abstract description 14
- 238000007906 compression Methods 0.000 abstract description 14
- 239000000498 cooling water Substances 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 6
- 239000000126 substance Substances 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 4
- 230000002929 anti-fatigue Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 235000019738 Limestone Nutrition 0.000 description 2
- 239000006028 limestone Substances 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000009837 dry grinding Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Images
Landscapes
- Mechanical Sealing (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses an adjustable anhydrous novel mechanical seal device of desulfurization circulating pump, include: the pivot, the pivot overcoat is equipped with the axle sleeve, axle sleeve outside cover is equipped with the rotating ring, axial positioning is carried out through the folding portion of axle sleeve tip in rotating ring one side, rotating ring axial opposite side and quiet ring contact, quiet ring carries on spacingly through the seal receptacle in radial outside, quiet ring axial outside is carried out the tight fixed in top through a plurality of springs, the spring is fixed through the spring holder, the spring holder passes through the screw and is connected with the seal receptacle, need not seal the novel mechanical seal device that cooling water can adjust spring compression capacity again, its novel structure, excellent in use effect has increased mechanical seal's life, with the exposed external design of spring, removes traditional sealed built-in. The spring is exposed and externally arranged, so that the phenomenon that the spring is blocked by leaked substances is effectively avoided, and meanwhile, the compression amount and the working state of the spring can be visually observed.
Description
Technical Field
The utility model relates to a mechanical seal technical field especially relates to an adjustable anhydrous novel mechanical seal device of desulfurization circulating pump.
Background
At present, what extensively used in the electric power industry is single-ended face multi-spring formula balanced type has the mechanical seal device of cooling water, and its result of use is unsatisfactory, the leading cause:
1. the cooling water side adopts the framework oil seal to play a role in sealing, the framework oil seal can generate friction with the shaft sleeve under the high-speed rotation of the transmission shaft, and the shaft sleeve is directly ground to form a deeper trace, so that the sealing cooling water is leaked.
2. The seal does not have the function of adjusting the compression amount of the spring; because the desulfurization working condition is relatively complicated, the sealing is required to be corrosion-resistant, wear-resistant and high in fatigue resistance. For the sealing to work reliably in high-concentration limestone slurry for a long time, the design of the compression amount of the spring is very critical, and the design is reasonable in selection, wherein the compression amount of the spring can not be too much (too much causes that the sealing is not wear-resistant) or too little (too little causes that the sealing is leaked).
The service cycle of the mechanical seal detached from most fields is less than one year, and the service cycle is directly related to the fatigue resistance and the compression amount of the spring.
Disclosure of Invention
The utility model aims to provide a: overcome the above-mentioned problem that exists among the prior art, provide a novel anhydrous mechanical seal device of adjustable of desulfurization circulating pump, need not seal the novel mechanical seal device that cooling water can adjust the spring compression volume again, its novel structure, excellent in use effect has increased mechanical seal's life, with the exposed external design of spring, removes traditional sealed built-in. The spring is exposed and externally arranged, so that the phenomenon that the spring is blocked by leaked substances is effectively avoided, the compression amount and the working state of the spring can be visually observed, the whole sealing cooling effect can be realized, and the anti-fatigue strength of the spring is weakened through the adjustable positioning block to cause trace leakage of the seal; the height of the replacement and adjustment positioning block meets the field spring compression amount on the premise of not disassembling the equipment, so that the sealing can normally work again, the service life of the sealing is greatly prolonged, and the strength of the field equipment installation work is reduced.
The purpose of the utility model is realized through the following technical scheme:
an adjustable anhydrous novel mechanical seal device of desulfurization circulating pump includes: the pivot, the pivot overcoat is equipped with the axle sleeve, axle sleeve outside cover is equipped with the rotating ring, axial positioning is carried out through the turnover portion of axle sleeve tip in rotating ring one side, rotating ring axial opposite side and quiet ring contact, quiet ring carries on spacingly through the seal receptacle in the radial outside, quiet ring axial outside is carried out the tight fixed in top through a plurality of springs, the spring is fixed through the spring holder, the spring holder passes through the screw and is connected with the seal receptacle.
The utility model discloses an adjustable anhydrous novel mechanical seal device of desulfurization circulating pump, the throw-out collar has between spring and the quiet ring.
The utility model discloses an adjustable anhydrous novel mechanical seal device of desulfurization circulating pump, be provided with adjustable locating piece between spring holder and the seal receptacle.
The utility model discloses an adjustable anhydrous novel mechanical seal device of desulfurization circulating pump, adjustable locating piece is axle bush column structure, axle bush column structure is fixed in on the installation screw of spring holder.
The utility model discloses an adjustable anhydrous novel mechanical seal device of desulfurization circulating pump, the rotating ring has a plurality of water sumps with quiet ring contact surface.
The utility model discloses an adjustable anhydrous novel mechanical seal device of desulfurization circulating pump, the basin is the bellied arc wall structure in middle part of the sealed face excircle circumference of edge rotating ring.
The utility model discloses an adjustable anhydrous novel mechanical seal device of desulfurization circulating pump, the clearance has between quiet ring and the axle sleeve.
The utility model discloses an adjustable anhydrous novel mechanical seal device of desulfurization circulating pump, the spring holder is style structure, the spring holder side has the opening, the spring exposes from the opening part.
According to the technical scheme, the beneficial effects of the utility model are that: the novel anhydrous mechanical sealing device with the adjustable desulfurization circulating pump is novel in structure, good in using effect, capable of prolonging the service life of the mechanical seal, capable of adjusting the compression amount of the spring and internally provided with the exposed spring in a sealing mode. The spring is exposed and externally arranged, so that the phenomenon that the spring is blocked by leaked substances is effectively avoided, the compression amount and the working state of the spring can be visually observed, the whole sealing cooling effect can be realized, and the anti-fatigue strength of the spring is weakened through the adjustable positioning block to cause trace leakage of the seal; the height of the replacement and adjustment positioning block meets the field spring compression amount on the premise of not disassembling the equipment, so that the sealing can normally work again, the service life of the sealing is greatly prolonged, and the strength of the field equipment installation work is reduced.
Drawings
Fig. 1 is a schematic view of the novel adjustable anhydrous mechanical sealing device of the desulfurization circulating pump.
FIG. 2 is a schematic view of an adjustable block of the novel adjustable waterless mechanical sealing device of the desulfurization circulating pump of the present invention;
fig. 3 is a schematic view of the water storage tank of the novel adjustable anhydrous mechanical sealing device of the desulfurization circulating pump.
Detailed Description
The invention will be further described with reference to the following specific embodiments and the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Fig. 1-3 show the embodiment of the novel adjustable anhydrous mechanical sealing device of a desulfurization circulating pump, which is an adjustable anhydrous novel mechanical sealing device of a desulfurization circulating pump, comprising: the rotating shaft is sleeved with a shaft sleeve 1, a moving ring 2 is sleeved outside the shaft sleeve 1, one side of the moving ring 2 is axially positioned through a folding part at the end part of the shaft sleeve 1, the other axial side of the moving ring 2 is in contact with a static ring 3, the static ring 3 is limited through a sealing seat 4 on the radial outer side, the axial outer side of the static ring 3 is tightly pressed and fixed through a plurality of springs 6, the springs 6 are fixed through spring seats 5, the spring seats 5 are connected with the sealing seats 4 through screws, a push ring 8 is arranged between the springs 6 and the static ring 3, an adjustable positioning block 7 is arranged between the spring seats 5 and the sealing seat 4, the adjustable positioning block 7 is of a bush-shaped structure which is fixed on mounting screws of the spring seats 5, a plurality of water storage grooves 21 are arranged on the contact surfaces of the moving ring 2 and the static ring 3, the water storage grooves 21 are of arc-shaped groove structures which are protruded along the circumferential middle part of the sealing surface of, a gap is reserved between the static ring 3 and the shaft sleeve 1, the spring seat 5 is of a body type structure, an opening is formed in the side face of the spring seat 5, and the spring 6 is exposed out of the opening.
The friction part of the movable ring 2 and the static ring 3 is a main sealing point, so that the medium is prevented from leaking. In the operation process, the movable ring 2 is in operation, the static ring 3 is in a static state, a sealing liquid film is kept between the movable ring and the static ring in a long-time friction mode, the static ring is compensated by the elastic force of the spring after being abraded by friction to ensure the sealing following performance of the static ring, sealing cooling water is removed, water resources are saved, and meanwhile the reliable operation of sealing is ensured. The joint surface of the movable ring is uniquely designed into a plurality of uniformly distributed arc-shaped grooves with the depth of 1.5mm and the width of 2mm, so that the aim of water storage and sealing surface lubrication is fulfilled. The phenomenon that limestone slurry is easy to be batched and scaled and stuck to the outer sides of the dynamic and static rings after the equipment is stopped and sealing cooling water is removed to cause sealing dry grinding and dry burning in the moment of starting the equipment is avoided, the spring is exposed in an external design, and the traditional sealing internal is removed. The spring is exposed and externally arranged, so that the phenomenon that the spring is blocked by leaked substances is effectively avoided, the compression amount and the working state of the spring can be visually observed, and the sealing integral cooling effect can be achieved.
This application unique design increases 6 adjustable locating pieces of spring. The purpose is that the seal works for a long time, and the anti-fatigue strength of the spring is weakened to cause trace leakage of the seal; the height of the replacement and adjustment positioning block meets the field spring compression amount on the premise of not disassembling the equipment, so that the sealing can normally work again, the service life of the sealing is greatly prolonged, and the strength of the field equipment installation work is reduced.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. The utility model provides an adjustable anhydrous novel mechanical seal device of desulfurization circulating pump which characterized in that includes: the pivot, the pivot overcoat is equipped with axle sleeve (1), axle sleeve (1) outside cover is equipped with rotating ring (2), axial positioning is carried out through the turnover portion of axle sleeve (1) tip in rotating ring (2) one side, rotating ring (2) axial opposite side and quiet ring (3) contact, quiet ring (3) are spacing through seal receptacle (4) in the radial outside, quiet ring (3) axial outside is carried out the top through a plurality of springs (6) and is tightly fixed, spring (6) are fixed through spring holder (5), spring holder (5) are connected with seal receptacle (4) through the screw.
2. The adjustable anhydrous novel mechanical seal device of desulfurization circulating pump of claim 1, characterized in that: a push ring (8) is arranged between the spring (6) and the static ring (3).
3. The adjustable anhydrous novel mechanical seal device of desulfurization circulating pump of claim 1, characterized in that: an adjustable positioning block (7) is arranged between the spring seat (5) and the sealing seat (4).
4. The novel adjustable anhydrous mechanical sealing device of desulfurization circulating pump of claim 3, characterized in that: the adjustable positioning block (7) is of a bush-shaped structure, and the bush-shaped structure is fixed on a mounting screw of the spring seat (5).
5. The adjustable anhydrous novel mechanical seal device of desulfurization circulating pump of claim 1, characterized in that: the contact surface of the moving ring (2) and the static ring (3) is provided with a plurality of water storage tanks (21).
6. The novel adjustable anhydrous mechanical sealing device of desulfurization circulating pump of claim 5, characterized in that: the water storage tank (21) is of an arc-shaped groove structure which is convex along the circumferential direction of the outer circle of the sealing surface of the movable ring (2).
7. The adjustable anhydrous novel mechanical seal device of desulfurization circulating pump of claim 1, characterized in that: a gap is formed between the static ring (3) and the shaft sleeve (1).
8. The adjustable anhydrous novel mechanical seal device of desulfurization circulating pump of claim 1, characterized in that: the spring seat (5) is of a body type structure, an opening is formed in the side face of the spring seat (5), and the spring (6) is exposed out of the opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920738003.3U CN209943522U (en) | 2019-05-22 | 2019-05-22 | Novel adjustable anhydrous mechanical seal device of desulfurization circulating pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920738003.3U CN209943522U (en) | 2019-05-22 | 2019-05-22 | Novel adjustable anhydrous mechanical seal device of desulfurization circulating pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209943522U true CN209943522U (en) | 2020-01-14 |
Family
ID=69133621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920738003.3U Active CN209943522U (en) | 2019-05-22 | 2019-05-22 | Novel adjustable anhydrous mechanical seal device of desulfurization circulating pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209943522U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114517835A (en) * | 2022-01-27 | 2022-05-20 | 重庆渝辉智能装备有限公司 | Integrated double-end-face mechanical sealing structure |
-
2019
- 2019-05-22 CN CN201920738003.3U patent/CN209943522U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114517835A (en) * | 2022-01-27 | 2022-05-20 | 重庆渝辉智能装备有限公司 | Integrated double-end-face mechanical sealing structure |
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