CN2151289Y - Shaft sealer for corrosionproof centrifugal pump - Google Patents
Shaft sealer for corrosionproof centrifugal pump Download PDFInfo
- Publication number
- CN2151289Y CN2151289Y CN 93207431 CN93207431U CN2151289Y CN 2151289 Y CN2151289 Y CN 2151289Y CN 93207431 CN93207431 CN 93207431 CN 93207431 U CN93207431 U CN 93207431U CN 2151289 Y CN2151289 Y CN 2151289Y
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- CN
- China
- Prior art keywords
- ring
- pump
- gland
- shaft
- rotating ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
Disclosed is a shaft sealer which is arranged on the vane absorbing side of corrosionproof centrifugal pump. A mobile ring and an immobile ring are arranged between an existing ripple sealing sleeve and a pump shaft in order to contact indirectly, and the outer round mouth of the immobile ring is adhibited with a liquid-proof ring in order to ensure the liquid not to leak out. The utility model has the advantages of simple structure, convenient installation, anti-abrasion, anti-warming, anticorrosion of the medium with high causticity, low cost and long service life.
Description
The utility model relates to a kind of corrosion resisting centrifugal pump shaft sealer, places the impeller suction side.
As everyone knows, when carrying acid, alkalescence or having corrosive other flowing medium, all there is the problem of leaking owing to corrosion between the rotatingshaft and the static pump housing in any pump, Chinese patent 87202820, denomination of invention is " a kind of novel corrosion resistant sealing centrifugal pump ", adorn the impeller of conventional pumps is counter, soon the gland seal device between the rotatingshaft and the pump housing places the suction side of impeller, gland seal device adopts the ripple stuffing box gland to realize sealing, and on the pump housing, tighten, thereby make pump reach the perfect condition that drop does not leak with sealing gland.But, still have the problem of leaking in actual use, this be because: 1, since ripple stuffing box gland end directly and the circular groove on the rotatingshaft contact, and radiation fins itself is to make with rubber, under the situation of no medium, because of the dry grinding scaling loss, produce and leak between radiation fins and the rotatingshaft; 2, the making of rotatingshaft employing titanium steel is not a desirable material, and the corrosion rate in concentrated hydrochloric acid is greater than 1mm/, and the time, long still can the corrosion produced leakage, made the deterioration of manufacturing shop working environment.
The purpose of this utility model is at above-mentioned shortcoming, and a kind of corrosion resisting centrifugal pump shaft sealer is provided.
Technical solution of the present utility model is: between ripple stuffing box gland and pump shaft, load onto rotating ring, stationary ring makes radiation fins directly not contact with pump shaft, and on the oral area of the outer garden of stationary ring sticking cover liquid-stopping ring, thereby guarantee that fluid does not leak.
The utility model is by pump shaft, pump cover, the pump housing, ripple stuffing box gland and be embedded in rotating ring on the pump shaft, protective shaft sleeve, gland and the stationary ring that is slidingly matched with rotating ring, the sticking liquid-stopping ring on the stationary ring etc. of being enclosed within is formed, the garden also is provided with circular groove outside stationary ring, mutually bonding with the other end oral area of ripple stuffing box gland, one end of gland is mutually bonding with rotating ring, the other end joins by seal ring and protective shaft sleeve, and garden, the end ring of liquid-stopping ring is gently to lean against on the exterior edge face of gland.
The outstanding effect of this seal arrangement is, because pump shaft and ripple stuffing box gland, pump shaft are separated with flowing medium, thereby avoided dry grinding to wear and tear and corrode and the leakage that causes, and this apparatus structure is simple, easy for installation, wear-resisting, heatproof, being able to bear strong corrosion property dielectric corrosion, long service life.
The description of the drawings:
Fig. 1 is an assembly structure figure of the present utility model.
Fig. 2, Fig. 3 are other two kinds of embodiments of the present utility model, to adapt to different service conditions.
Below in conjunction with accompanying drawing the utility model is done detailed explanation.
Know that by Fig. 1 the utility model is by pump cover 1, the pump housing 2, ripple stuffing box gland 3, rotating ring 4, stationary ring 5, liquid-stopping ring 6, seal ring 7, pump shaft 8, gland 9, protective shaft sleeve 10, impeller 11 compositions such as grade, rotating ring 4, protective shaft sleeve 6, gland 9 is embedded on the pump shaft 8, the outer garden and the stationary ring 5 of rotating ring 4 are slidingly matched, liquid-stopping ring 6 is sticking being enclosed within on the stationary ring 5, its garden, end ring 12 be the exterior edge face 12 that gently leans against gland 9 ' on, outer garden at stationary ring 5 also is provided with circular groove 13 on week, with the oral area 13 of ripple stuffing box gland 3 ' mutually bonding, the other end oral area of ripple stuffing box gland 3 is to be contained between the pump cover 1 and the pump housing 2, one end of gland 9 is mutually bonding with rotating ring 4, the other end is connected with protective shaft sleeve 10 by seal ring 7, between rotating ring 4 and stationary ring 5, be filled with oiling agent, in addition, rotating ring 4, stationary ring 5, protective shaft sleeve 10 adopts teflon and polyphenylene sulfide composite plastic molding, and pump shaft 8 adopts general carbon steel, shafts to get final product.
When this seal arrangement started at pump, because impeller 11 is anti-dresses, and shaft sealer placed impeller 11 suction sides, and this just makes shaft sealer be in negative pressure state always, and promptly liquid-stopping ring 6 is subjected to an inside power, and liquid only can flow in the pump housing; In the pump stopping time, shaft sealer (impeller suction side) is in barotropic state, and promptly the garden, end of liquid-stopping ring 6 ring 12 is subjected to an outside pressure, tightly be pressed in the exterior edge face 12 of gland 9 ' on, reach the purpose that does not allow fluid leak.
Most preferred embodiment of the present utility model also can adopt embodiment as accompanying drawing 2, accompanying drawing 3 according to different service conditions except above-mentioned points.
The embodiment of accompanying drawing 2 is that stationary ring 5 and liquid-stopping ring 6 are dismantled, and is specially adapted for being difficult for termination of pumping, interrupts the process conditions that fluid flows.
The embodiment of accompanying drawing 3 is that liquid-stopping ring 6 is dismantled, and is specially adapted for only requiring that pump the time does not leak in operation, and allows the process conditions of little leakage during termination of pumping.
Claims (3)
1, a kind of axle seal arrangement that places corrosion-resistant centrifugal pump impeller 11 suction sides, be by pump shaft 8, pump cover 1, the pump housing 2 and a port part are contained in the compositions such as ripple stuffing box gland 3 between the pump cover 1 and the pump housing 2, it is characterized in that it is also by the rotating ring 4 that is embedded on the pump shaft 8, protective shaft sleeve 10, gland 9 and the stationary ring 5 that is slidingly matched with rotating ring 4, and the sticking liquid-stopping ring 6 that is enclosed within on the stationary ring 5 is formed, the garden is provided with circular groove 13 on week outside stationary ring 5, with the other end oral area 13 of ripple stuffing box gland 3 ' mutually bonding, one end of gland 9 is mutually bonding with rotating ring 4, the other end is connected with protective shaft sleeve 10 by seal ring 7, the garden, end of liquid-stopping ring 6 ring 12 be the exterior edge face 12 that gently leans against gland 9 ' on.
2, corrosion resisting centrifugal pump shaft sealer according to claim 1 is characterized in that also packing lubrication agent between described rotating ring 4 and stationary ring 5.
3, corrosion resisting centrifugal pump shaft sealer according to claim 1 is characterized in that described rotating ring 4, stationary ring 5, adopts teflon and polyphenylene sulfide composite plastic molding, and pump shaft 8 adopts general carbon steel, shafts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93207431 CN2151289Y (en) | 1993-03-21 | 1993-03-21 | Shaft sealer for corrosionproof centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93207431 CN2151289Y (en) | 1993-03-21 | 1993-03-21 | Shaft sealer for corrosionproof centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2151289Y true CN2151289Y (en) | 1993-12-29 |
Family
ID=33790160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93207431 Expired - Fee Related CN2151289Y (en) | 1993-03-21 | 1993-03-21 | Shaft sealer for corrosionproof centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2151289Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104343468A (en) * | 2013-07-31 | 2015-02-11 | 三星泰科威株式会社 | A vane assembly and a vane apparatus comprising the vane assembly |
| CN109072934A (en) * | 2016-03-18 | 2018-12-21 | 威尔斯拉里集团公司 | The sealing device of adjustable component for pump |
-
1993
- 1993-03-21 CN CN 93207431 patent/CN2151289Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104343468A (en) * | 2013-07-31 | 2015-02-11 | 三星泰科威株式会社 | A vane assembly and a vane apparatus comprising the vane assembly |
| CN104343468B (en) * | 2013-07-31 | 2017-09-19 | 韩华泰科株式会社 | Blade assembly and the blade apparatus including the blade assembly |
| CN109072934A (en) * | 2016-03-18 | 2018-12-21 | 威尔斯拉里集团公司 | The sealing device of adjustable component for pump |
| US10895265B2 (en) | 2016-03-18 | 2021-01-19 | Weir Slurry Group, Inc. | Sealing arrangement for adjustable elements of a pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |