CN106438447A - Mechanical sealing device for slurry pump - Google Patents
Mechanical sealing device for slurry pump Download PDFInfo
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- CN106438447A CN106438447A CN201510491645.4A CN201510491645A CN106438447A CN 106438447 A CN106438447 A CN 106438447A CN 201510491645 A CN201510491645 A CN 201510491645A CN 106438447 A CN106438447 A CN 106438447A
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- ring
- sealing
- sealing device
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- mechanical sealing
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Abstract
The invention belongs to the field of mechanical sealing and particularly relates to a mechanical sealing device for a slurry pump. The mechanical sealing device for the slurry pump comprises an internal seal and an external seal. The mechanical sealing device is characterized in that the internal seal comprises an internal movable ring, an internal fixed ring, an O-shaped ring, a cushioning type drive pin, an elastic shaft retaining ring, a spring push ring and a spring and used for sealing of sealing liquid and a medium; the external seal comprises an external movable ring, an external fixed ring, an O-shaped ring, a cushioning type drive pin, a push ring, a spring and an anti-disengaging positioning clamping ring and used for sealing of sealing liquid; and the internal movable ring and the internal fixed ring are used for sealing the medium, the outer movable ring and the outer fixed ring are used for sealing the liquid, and clean sealing face lubricating and heat dissipation are provided. The mechanical sealing device for the slurry pump has the beneficial effects of being perfect in performance, low in cost, safe and reliable, long in service life and easy to damage. By the adoption of the mechanical sealing device for the slurry pump, the problems that a traditional mechanical seal for a desulfurization pump is easy to damage and short in service life can be completely solved. It is proved by the practice that the device can be used for production and scientific experiments in the industries of power, industrial and mining enterprises and the like, and the device is completely feasible in terms of technology, economy and environmental protection.
Description
Technical field
The invention belongs to mechanical seal field, more particularly, to a kind of Pulp pump mechanical sealing device used for pump.
Background technology
Mechanical sealing member technology is widely used in the fields such as national defence, electric power, chemical industry, oil, metallurgy, transportation, medicine, food, cosmetics, a kind of application of Pulp pump mechanical sealing device used for pump is an importance in mechanical seal field, belongs to a kind of mechanical seal for pump.Traditional mechanical seal for pump can not meet in electric power, the high request of the upper long service life of industrial and mining establishment etc. industry desulphurization plant application, the flimsy shortcoming of desulfurization mechanical seal for pump that a kind of Pulp pump mechanical sealing device used for pump breaks traditions, by the structure design of O-shaped rubber seal is added on ring portion and stationary ring section transmission pin, reduce the direct impact for ring portion and stationary ring part during trundle rotation, partly driven pin impacts and crushes to avoid ring portion and stationary ring, solve traditional desulfurization mechanical seal for pump fragile, the short problem of service life, improve production efficiency, save cost, ensure the safety of product, for electric power, the production of industrial and mining establishment and development provide facility and ensure.
Content of the invention
Present invention is primarily targeted at overcoming the shortcomings of above-mentioned technology, and provide a kind of Pulp pump mechanical sealing device used for pump.This device can be used in the Industry Manufacturing Equipment such as medicine, food, cosmetics the connection of rotation housing and pipeline, technically, economically be all feasible in environmental protection.
The present invention for achieving the above object, employs the following technical solutions：A kind of Pulp pump mechanical sealing device used for pump, including interior sealing and external seal.It is characterized in that：Described interior sealing, including in rotating ring, interior stationary ring, O-ring, buffer-type trundle, circlip for shaft, spring throw-out collar and spring, for the sealing of sealing fluid and medium；Described external seal, positions snap ring including outer rotating ring, outer stationary ring, O-ring, buffer-type trundle, throw-out collar, spring and anticreep, for the sealing of sealing fluid.Interior rotating ring and interior stationary ring are used for sealing medium, and outer rotating ring and outer stationary ring are used for sealing liquid, provide the sealing surface of cleaning to lubricate and radiate.
Beneficial effect:A kind of Pulp pump mechanical sealing device used for pump perfect performance, low cost, safe and reliable, long service life, it is hardly damaged.Due to electric power, industrial and mining establishment's industry for desulphurization plant long service life in production process strict demand, using a kind of Pulp pump mechanical sealing device used for pump, it is fragile to completely solve traditional desulfurization mechanical seal for pump, the short problem of service life.It was verified that this device can be used for the industry production such as electric power, industrial and mining establishment and scientific experimentss, technically, economically be all feasible in environmental protection.There is advantages below：
1. the design of the present invention, mechanical seal for pump using packaging type Double End structure, in interior rotating ring, interior stationary ring and outer rotating ring, the buffer structure design of O-shaped rubber seal is added using trundle, reduce the direct impact for ring portion and stationary ring part during trundle rotation, partly driven pin impacts and crushes to avoid ring portion and stationary ring, highly effective and safe, saves Financial cost.
2. the design of the present invention, using hexagon-headed bolt fixing anticreep positioning structure on throw-out collar for the snap ring, solves general snap ring and easily comes off, lead to the problem of seal failure.
2. be applied to subzero 20 degrees Celsius to 150 degrees Celsius, the more medium of particulate matter, 1.5Mpa pressures below, rotating speed maximum reach 10m/s.
Brief description
Accompanying drawing 1 is the structure chart of the present invention.1 axle sleeve, 2 O-ring, 3 buffer-type trundles, rotating ring in 4, stationary ring in 5,6 circlips for shaft, 7 O-ring, 8 buffer-type trundles, 9 spring throw-out collars, 10 springs, 11 O-ring, 12 outer stationary rings, 13 springs, 14 outer rotating rings, 15 O-ring, 16 buffer-type trundles, 17 throw-out collars, 18 anticreep positioning snap rings, 19 hexagon-headed bolts.
Accompanying drawing 2 is the anticreep positioning Snap ring structure figure of the present invention.
Accompanying drawing 3 is the buffer-type driver pin structure figure of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawings and preferred embodiment describe in detail the present invention specific embodiment.Its structure chart is as shown in Figure of description.A kind of Pulp pump mechanical sealing device used for pump, including interior sealing and external seal.Described interior sealing, including in rotating ring 4, interior stationary ring 5, O-ring 2 and 7, buffer-type trundle 3, circlip for shaft 6, spring throw-out collar 9 and spring 13, for the sealing of sealing fluid and medium.Described external seal, positions snap ring 18 including outer rotating ring 14, outer stationary ring 12, O-ring 11 and 15, buffer-type trundle 16, throw-out collar 17, spring 10 and anticreep, for the sealing of sealing fluid.Axle sleeve 1 is locked on axle, interior rotating ring 4 and outer rotating ring 14 rotate under the drive of axle with axle sleeve 1 simultaneously, buffer-type trundle 3 drives interior rotating ring 4 to rotate, spring throw-out collar 9 and spring 13 play the effect of rotating ring 4 and interior stationary ring 5 sealing surface in compensation, and O-ring 2 and 7 is the auxiliary seal point of interior rotating ring 4 and interior stationary ring 5；Buffer-type trundle 16 drives outer rotating ring 14 to rotate, throw-out collar 17, spring 10 play the effect compensating outer rotating ring 14 and outer stationary ring 12 sealing surface, anticreep positioning snap ring 18 is used for positioning interior sealing and the effect of external seal, and O-ring 11 and 15 is the auxiliary seal point of outer rotating ring 14 and outer stationary ring 12.A kind of Pulp pump mechanical sealing device used for pump, using hexagon-headed bolt 19 fixing anticreep positioning structure on throw-out collar 17 for the snap ring 18, firmly do not allow easy to fall off, rely on the O-ring above buffer-type trundle 3,8 and 16, realize effectively buffering, prevent interior rotating ring 4, interior stationary ring 5 and outer rotating ring 14 that carborundum is main material from crushing, improve sealing service life, it is hardly damaged, solve the problems, such as to change difficulty.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; some improvements and modifications can also be made, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (3)
1. a kind of Pulp pump mechanical sealing device used for pump, including interior sealing and external seal it is characterised in that：Described interior sealing, including in rotating ring, interior stationary ring, O-ring, buffer-type trundle, circlip for shaft, spring throw-out collar and spring, for the sealing of sealing fluid and medium；Described external seal, position snap ring including outer rotating ring, outer stationary ring, O-ring, buffer-type trundle, throw-out collar, spring and anticreep, for the sealing of sealing fluid, interior rotating ring and interior stationary ring are used for sealing medium, outer rotating ring and outer stationary ring are used for sealing liquid, provide the sealing surface of cleaning to lubricate and radiate.
2. a kind of Pulp pump mechanical sealing device used for pump according to claim 1, using packaging type Double End structure, adds the buffer structure of O-shaped rubber seal in interior rotating ring, interior stationary ring and outer rotating ring using trundle.
3. a kind of Pulp pump mechanical sealing device used for pump according to claim 1, using hexagon-headed bolt fixing anticreep positioning structure on throw-out collar for the snap ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510491645.4A CN106438447A (en) | 2015-08-12 | 2015-08-12 | Mechanical sealing device for slurry pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510491645.4A CN106438447A (en) | 2015-08-12 | 2015-08-12 | Mechanical sealing device for slurry pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106438447A true CN106438447A (en) | 2017-02-22 |
Family
ID=58093439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510491645.4A Pending CN106438447A (en) | 2015-08-12 | 2015-08-12 | Mechanical sealing device for slurry pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106438447A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2361966A (en) * | 2000-05-04 | 2001-11-07 | Flowserve Man Co | A split mechanical face seal |
| CN201427038Y (en) * | 2009-06-30 | 2010-03-24 | 蒋敏 | Mechanical seal used for mixer of absorption tower |
| CN202301961U (en) * | 2011-09-22 | 2012-07-04 | 丹东克隆集团有限责任公司 | Mechanical seal device integrated with water seal |
| CN202326376U (en) * | 2011-11-13 | 2012-07-11 | 浙江兰天机械密封件有限公司 | Mechanical seal device of medium-high-temperature high-concentration slurry pump |
| CN102644620A (en) * | 2012-04-28 | 2012-08-22 | 大连华阳光大密封有限公司 | Sealing transmission structure with higher reliability |
| CN202510710U (en) * | 2012-02-15 | 2012-10-31 | 陈潜 | Mechanical sealing device for wear-resistant pump |
| CN202756285U (en) * | 2012-05-20 | 2013-02-27 | 杭州青华实业有限公司 | Double-end-face mechanical sealing device used for desulfurization main circulation pump |
| CN202756286U (en) * | 2012-05-20 | 2013-02-27 | 杭州青华实业有限公司 | Double-end-face mechanical sealing device used for slurry pump |
| CN203670781U (en) * | 2013-12-26 | 2014-06-25 | 宁波安铱矢密封有限公司 | Crystallization-prevention double-end-face sealing structure |
-
2015
- 2015-08-12 CN CN201510491645.4A patent/CN106438447A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2361966A (en) * | 2000-05-04 | 2001-11-07 | Flowserve Man Co | A split mechanical face seal |
| CN201427038Y (en) * | 2009-06-30 | 2010-03-24 | 蒋敏 | Mechanical seal used for mixer of absorption tower |
| CN202301961U (en) * | 2011-09-22 | 2012-07-04 | 丹东克隆集团有限责任公司 | Mechanical seal device integrated with water seal |
| CN202326376U (en) * | 2011-11-13 | 2012-07-11 | 浙江兰天机械密封件有限公司 | Mechanical seal device of medium-high-temperature high-concentration slurry pump |
| CN202510710U (en) * | 2012-02-15 | 2012-10-31 | 陈潜 | Mechanical sealing device for wear-resistant pump |
| CN102644620A (en) * | 2012-04-28 | 2012-08-22 | 大连华阳光大密封有限公司 | Sealing transmission structure with higher reliability |
| CN202756285U (en) * | 2012-05-20 | 2013-02-27 | 杭州青华实业有限公司 | Double-end-face mechanical sealing device used for desulfurization main circulation pump |
| CN202756286U (en) * | 2012-05-20 | 2013-02-27 | 杭州青华实业有限公司 | Double-end-face mechanical sealing device used for slurry pump |
| CN203670781U (en) * | 2013-12-26 | 2014-06-25 | 宁波安铱矢密封有限公司 | Crystallization-prevention double-end-face sealing structure |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170222 |