CN102927057A - Cooling structure of mechanical seal of centrifugal pump - Google Patents
Cooling structure of mechanical seal of centrifugal pump Download PDFInfo
- Publication number
- CN102927057A CN102927057A CN2012104990035A CN201210499003A CN102927057A CN 102927057 A CN102927057 A CN 102927057A CN 2012104990035 A CN2012104990035 A CN 2012104990035A CN 201210499003 A CN201210499003 A CN 201210499003A CN 102927057 A CN102927057 A CN 102927057A
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- mechanical seal
- pump
- cooling structure
- cover
- centrifugal pump
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Abstract
The invention relates to a cooling structure of a mechanical seal of a centrifugal pump. The cooling structure comprises a pump cover and a mechanical seal gland which are arranged on a shaft, wherein the mechanical seal gland is fixed to the outer side of the pump cover; a mechanical seal chamber in the shape of a horn mouth and used for mounting the mechanical seal is arranged between the pump cover and the shaft; and the large end of the mechanical seal chamber is positioned on one side of a centrifugal pump body. According to the cooling structure of the mechanical seal of the centrifugal pump, the mechanical seal chamber is in the shape of the horn mouth, so that the flushing water in the pump body can easily flow into the mechanical seal chamber to cool and lubricate the mechanical seal, and a device for guiding the water out from an outlet of the pump for flushing can be saved, and as a result, the cost is saved, and the centrifugal pump cover can be simply and conveniently mounted; and furthermore, the space of the mechanical seal chamber is enlarged due to the shape of the horn mouth, and once particles are contained in the medium when the mechanical seal is used, the friction between the particles and the mechanical seal is difficultly generated, and the mechanical seal cannot be damaged.
Description
Technical field
The present invention relates to centrifugal pump, specifically a kind of cooling structure of mechanical face seals of centrifugal pumps.
Background technique
Horizontal single-stage centrifugal pump as shown in Figure 1, comprise the pump housing 1, impeller 2, pump cover 3, machine sealed cover 4, suspension 5 and axle 6, pump cover 3 is fixed on a side of the pump housing 1, form the pump chamber that impeller 2 is installed between pump cover 3 and the pump housing 1, suspension 5 is fixed on a side of pump cover 3, axle 6 is bearing in the suspension 5 by bearing and an end of axle 6 stretches in the pump chamber, impeller 2 is arranged in the pump chamber of the pump housing 1 and is fixed on the end of axle 6, be provided with the machine sealing chamber 7 that mechanical seal is installed between pump cover 3 and the axle 6, the outside of pump cover 3 is equipped with the machine sealed cover 4 of positioning mechanical sealing.
Above-mentioned centrifugal pump is for cooling and lubrication mechanical seal, between the outlet of the pump housing 1 and machine sealed cover 4, Rinsing unit is installed, wash mechanical seal from outlet diversion to the machine sealed cover 4 of the pump housing 1, this structure has not only increased the manufacture cost of centrifugal pump, and installs loaded down with trivial details; In addition, the machine sealing chamber 7 of pump cover 3 is cylindrical, and the space is less, if when containing particulate matter in the medium in use, cause easily the friction of particulate matter and mechanical seal, causes the damage of mechanical seal, and centrifugal pump is leaked.
Summary of the invention
The present invention is directed to the problems referred to above, a kind of cooling structure of simple in structure, mechanical face seals of centrifugal pumps that cost is low is provided.
According to technological scheme of the present invention: a kind of cooling structure of mechanical face seals of centrifugal pumps, comprise the pump cover and the machine sealed cover that are installed on the axle, described machine sealed cover is fixed on the outside of described pump cover, be provided with the machine sealing chamber that mechanical seal is installed between described pump cover and the described axle, described machine sealing chamber is toroidal, and the large end of described machine sealing chamber is positioned at a side of described centrifugal pump body.
The cone angle of described machine sealing chamber is 30 °.
Technique effect of the present invention is: the machine sealing chamber among the present invention is toroidal, the sparge water of self can be easy to enter in the machine sealing chamber in the pump housing, cooling and lubricating mechanical seal, so just can save from the device of pump discharge diversion flushing, not only saved cost, but also made installation easier; In addition, the machine sealing chamber of toroidal has strengthened the space, if in use contain particulate matter in the medium, also is not easy to occur the friction between particulate matter and the mechanical seal, can not cause the infringement of mechanical seal.
Description of drawings
Fig. 1 is the structural representation of centrifugal pump of the prior art.
Fig. 2 is structural representation of the present invention.
Fig. 3 is the structure cross-sectional schematic of the pump cover 3 among the present invention.
Embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present invention is further described.
Among Fig. 1～Fig. 3, comprise the pump housing 1, impeller 2, pump cover 3, machine sealed cover 4, suspension 5, axle 6, machine sealing chamber 7, central through bore 8 etc.
As shown in Figure 2, it is a kind of use centrifugal pump of the present invention, comprise the pump housing 1, impeller 2, pump cover 3, machine sealed cover 4, suspension 5 and axle 6, pump cover 3 is fixed on a side of the pump housing 1, form the pump chamber that impeller 2 is installed between pump cover 3 and the pump housing 1, suspension 5 is fixed on a side of pump cover 3, axle 6 is bearing in the suspension 5 by bearing and an end of axle 6 stretches in the pump chamber, impeller 2 is arranged in the pump chamber of the pump housing 1 and is fixed on the end of axle 6, be provided with the machine sealing chamber 7 that mechanical seal is installed between pump cover 3 and the axle 6, the outside of pump cover 3 is equipped with the machine sealed cover 4 of positioning mechanical sealing.
As shown in Figure 3, pump cover 3 in the above-mentioned centrifugal pump, comprise the central through bore 8 that is arranged on the pump cover 3, be provided with the machine sealing chamber 7 that links to each other with central through bore 8 at central through bore 8 towards a side of centrifugal pump body 1, this machine sealing chamber 7 is toroidal, and the large end of machine sealing chamber 7 is positioned at a side of centrifugal pump body 1.The cone angle of machine sealing chamber 7 is preferably 30 °.
Claims (2)
1. the cooling structure of a mechanical face seals of centrifugal pumps, comprise the pump cover (3) and the machine sealed cover (4) that are installed on the axle (6), described machine sealed cover (4) is fixed on the outside of described pump cover (3), be provided with the machine sealing chamber (7) that mechanical seal is installed between described pump cover (3) and the described axle (6), it is characterized in that: described machine sealing chamber (7) is toroidal, and the large end of described machine sealing chamber (7) is positioned at a side of centrifugal pump body (1).
2. according to the cooling structure of mechanical face seals of centrifugal pumps claimed in claim 1, it is characterized in that: the cone angle of described machine sealing chamber (7) is 30 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104990035A CN102927057A (en) | 2012-11-29 | 2012-11-29 | Cooling structure of mechanical seal of centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104990035A CN102927057A (en) | 2012-11-29 | 2012-11-29 | Cooling structure of mechanical seal of centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102927057A true CN102927057A (en) | 2013-02-13 |
Family
ID=47641952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012104990035A Pending CN102927057A (en) | 2012-11-29 | 2012-11-29 | Cooling structure of mechanical seal of centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102927057A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103671227A (en) * | 2013-12-09 | 2014-03-26 | 无锡艾比德泵业有限公司 | Dyeing pump with mechanical seal cavity |
| CN109098973A (en) * | 2018-08-13 | 2018-12-28 | 安徽卧龙泵阀股份有限公司 | A kind of centrifugal pump that noise is small |
| CN109236662A (en) * | 2018-08-13 | 2019-01-18 | 安徽卧龙泵阀股份有限公司 | A kind of centrifugal pump that failure rate is low |
| CN109236661A (en) * | 2018-08-13 | 2019-01-18 | 安徽卧龙泵阀股份有限公司 | A kind of centrifugal pump of abrasion-proof corrosion-proof |
| CN109268275A (en) * | 2018-08-13 | 2019-01-25 | 安徽卧龙泵阀股份有限公司 | It is a kind of to use the centrifugal pump stablized, the service life is long |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1693716A (en) * | 2005-04-13 | 2005-11-09 | 陈银灿 | Pump shaft sealing cavity |
| GB2438702A (en) * | 2006-05-31 | 2007-12-05 | Weir Pumps Ltd | Efficiency maintenance apparatus for a mechanical assembly |
| CN201705715U (en) * | 2010-06-04 | 2011-01-12 | 杭州振兴工业泵制造有限公司 | Shaft sealing cover of centrifugal pump with flow guide vane |
| CN102748323A (en) * | 2012-06-29 | 2012-10-24 | 江苏国泉泵业制造有限公司 | High specific speed helical centrifugal pump |
| CN202971340U (en) * | 2012-11-29 | 2013-06-05 | 无锡艾比德泵业有限公司 | Cooling structure of centrifugal pump mechanical seal |
-
2012
- 2012-11-29 CN CN2012104990035A patent/CN102927057A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1693716A (en) * | 2005-04-13 | 2005-11-09 | 陈银灿 | Pump shaft sealing cavity |
| GB2438702A (en) * | 2006-05-31 | 2007-12-05 | Weir Pumps Ltd | Efficiency maintenance apparatus for a mechanical assembly |
| CN201705715U (en) * | 2010-06-04 | 2011-01-12 | 杭州振兴工业泵制造有限公司 | Shaft sealing cover of centrifugal pump with flow guide vane |
| CN102748323A (en) * | 2012-06-29 | 2012-10-24 | 江苏国泉泵业制造有限公司 | High specific speed helical centrifugal pump |
| CN202971340U (en) * | 2012-11-29 | 2013-06-05 | 无锡艾比德泵业有限公司 | Cooling structure of centrifugal pump mechanical seal |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103671227A (en) * | 2013-12-09 | 2014-03-26 | 无锡艾比德泵业有限公司 | Dyeing pump with mechanical seal cavity |
| CN109098973A (en) * | 2018-08-13 | 2018-12-28 | 安徽卧龙泵阀股份有限公司 | A kind of centrifugal pump that noise is small |
| CN109236662A (en) * | 2018-08-13 | 2019-01-18 | 安徽卧龙泵阀股份有限公司 | A kind of centrifugal pump that failure rate is low |
| CN109236661A (en) * | 2018-08-13 | 2019-01-18 | 安徽卧龙泵阀股份有限公司 | A kind of centrifugal pump of abrasion-proof corrosion-proof |
| CN109268275A (en) * | 2018-08-13 | 2019-01-25 | 安徽卧龙泵阀股份有限公司 | It is a kind of to use the centrifugal pump stablized, the service life is long |
| CN109236661B (en) * | 2018-08-13 | 2020-12-29 | 安徽卧龙泵阀股份有限公司 | Wear-resisting corrosion resistant centrifugal pump |
| CN109098973B (en) * | 2018-08-13 | 2020-12-29 | 安徽卧龙泵阀股份有限公司 | Centrifugal pump with low noise |
| CN109236662B (en) * | 2018-08-13 | 2020-12-29 | 安徽卧龙泵阀股份有限公司 | Centrifugal pump with low failure rate |
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| PB01 | Publication | ||
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| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20130213 |