CN201137598Y - Double end surface mechanical sealing flushing liquid constant pressure device for pump - Google Patents
Double end surface mechanical sealing flushing liquid constant pressure device for pump Download PDFInfo
- Publication number
- CN201137598Y CN201137598Y CNU2007200770990U CN200720077099U CN201137598Y CN 201137598 Y CN201137598 Y CN 201137598Y CN U2007200770990 U CNU2007200770990 U CN U2007200770990U CN 200720077099 U CN200720077099 U CN 200720077099U CN 201137598 Y CN201137598 Y CN 201137598Y
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- Prior art keywords
- pump
- seal
- mechanical seal
- water
- seal cavity
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Abstract
The utility model relates to a double end mechanical seal washing constant pressure device for a pump, which comprises a pump body and a pump shaft, wherein the pump shaft is equipped with mechanical seal, a front seal cavity is arranged between the front end surface of the mechanical seal and the pump body, a back seal cavity is arranged between the back end surface and the pump body, the front seal cavity is connected with a washing water front inlet and a washing water front outlet, the back seal cavity is connected with a washing water back inlet and a washing water back outlet, the washing water front inlet and the washing water back inlet are respectively connected with the bottom portion of a water storage barrel through a pipeline, and the washing water front outlet and the washing water back outlet are respectively connected with the top portion of the water storage barrel through the pipeline. The front seal cavity and the back seal cavity are arranged on the two ends of the mechanical seal, the front seal cavity and the back seal cavity are communicated with a clean water cycle pipeline at the same time, and the front seal cavity and the back seal cavity are capable of being always kept consistent. Liquid in a main pump is not capable of flowing into a double end mechanical seal through a moving ring and a static ring, thereby guaranteeing that the mechanical seal reliably operates in a long time.
Description
Technical field:
The utility model relates to the FLUID TRANSPORTATION technology, relates in particular to the feedway of the washing solution of mechanical seal in the water pump, particularly a kind of pump double mechanical seal washing solution constant-voltage equipment.
Background technique:
In the pump machines, pressure does not wait between interior liquid of pump and the pump outer air, will produce leakage along axle, therefore seal arrangement need be set on axle.Mechanical seal is a kind of axle envelope mode of extensive employing; In the prior art, single mechanical end face seal is typical sealing means, and in single mechanical end face seal washing solution device, the automatic flushing of carrying cleaning is as washing solution, but the liquid in the main pump often can flow in the mechanical seal by rotating ring and stationary ring trace, causes the machine envelope to be damaged.
Summary of the invention:
The purpose of this utility model provides a kind of pump with double mechanical seal washing solution constant-voltage equipment, and described this pump will solve chamfer machining needs in the prior art more changing drill bit, trouble, time-consuming, technical problem that work efficiency is low with double mechanical seal washing solution constant-voltage equipment.
This pump of the present utility model is made of the pump housing and pump shaft with double mechanical seal washing solution constant-voltage equipment, described pump shaft is arranged in the pump housing, pump shaft is provided with mechanical seal, wherein, be provided with preceding Seal cage between the front-end face of described mechanical seal and the pump housing, be provided with the back Seal cage between the ear end face of mechanical seal and the pump housing, enter the mouth and the preceding outlet of sparge water before being connected with sparge water before described on the Seal cage, be connected with on the Seal cage of described back behind the sparge water and export behind the inlet and sparge water, enter the mouth behind inlet and the sparge water before the described sparge water and be connected to the bottom of a water storage barrel respectively by pipeline, outlet is connected to the top of described water storage barrel respectively behind preceding outlet of described sparge water and the sparge water by pipeline.
Further, be provided with valve and pressure gauge in the described pipeline.
Further, be provided with surface cock in the described water storage barrel, described surface cock is connected with a water pump control device by signaling line, and described controller is connected with control end in the pump housing by guide line.
Working principle of the present utility model is: the preceding Seal cage at mechanical seal two ends and back Seal cage are communicated on the same clean water circulation loop simultaneously, and preceding Seal cage can remain consistent with the back Seal cage.Liquid in the main pump can not flow in the Double End machine envelope by rotating ring and stationary ring, has guaranteed the running reliably and with long-term of machine envelope.
The utility model and prior art contrast, and its effect is actively with tangible.The utility model is Seal cage and back Seal cage before the mechanical seal two ends are provided with, and preceding Seal cage and back Seal cage are communicated on the same clean water circulation loop simultaneously, and preceding Seal cage can remain consistent with the back Seal cage.Liquid in the main pump can not flow in the Double End machine envelope by rotating ring and stationary ring, has guaranteed the running reliably and with long-term of machine envelope.
Description of drawings:
Fig. 1 is the structural representation of pump of the present utility model with the pump housing in the double mechanical seal washing solution constant-voltage equipment.
Fig. 2 is the structural representation of pump of the present utility model with the pipeline in the double mechanical seal washing solution constant-voltage equipment.
Embodiment:
As depicted in figs. 1 and 2, pump of the present utility model double mechanical seal washing solution constant-voltage equipment, constitute by the pump housing 1 and pump shaft 2, described pump shaft 2 is arranged in the pump housing 1, pump shaft 2 is provided with mechanical seal 3, wherein, Seal cage 4 before being provided with between the front-end face of described mechanical seal 3 and the pump housing 1, be provided with back Seal cage 5 between the ear end face of mechanical seal 3 and the pump housing 1, export (not shown) before being connected with preceding inlet 6 of sparge water and sparge water before described on the Seal cage 4, be connected with on the Seal cage 5 of described back behind the sparge water and export (not shown) behind the inlet 7 and sparge water, inlet 7 is connected to the bottom of a water storage barrel 8 respectively behind preceding inlet 6 of described sparge water and the sparge water by pipeline, exports the top that is connected to described water storage barrel 8 respectively by pipeline before the described sparge water behind outlet and the sparge water.
Further, be provided with valve and pressure gauge in the described pipeline.
Further, be provided with surface cock in the described water storage barrel 8, described surface cock is connected with a water pump control device 9 by signaling line, and described controller 9 is connected with control end in the pump housing 1 by guide line.
In the present embodiment, be provided with two water pumps.The preceding Seal cage 4 at mechanical seal 3 two ends in any one pump body 1 and back Seal cage 5 all are communicated on the same clean water circulation loop simultaneously, and preceding Seal cage 4 can remain consistent with back Seal cage 5.Liquid in the main pump can not flow in the Double End machine envelope by rotating ring and stationary ring, has guaranteed the running reliably and with long-term of machine envelope.
Claims (3)
1. a pump is with double mechanical seal washing solution constant-voltage equipment, constitute by the pump housing and pump shaft, described pump shaft is arranged in the pump housing, pump shaft is provided with mechanical seal, it is characterized in that: be provided with preceding Seal cage between the front-end face of described mechanical seal and the pump housing, be provided with the back Seal cage between the ear end face of mechanical seal and the pump housing, enter the mouth and the preceding outlet of sparge water before being connected with sparge water before described on the Seal cage, be connected with on the Seal cage of described back behind the sparge water and export behind the inlet and sparge water, enter the mouth behind inlet and the sparge water before the described sparge water and be connected to the bottom of a water storage barrel respectively by pipeline, outlet is connected to the top of described water storage barrel respectively behind preceding outlet of described sparge water and the sparge water by pipeline.
2. pump as claimed in claim 1 is characterized in that: be provided with valve and pressure gauge in the described pipeline with double mechanical seal washing solution constant-voltage equipment.
3. pump as claimed in claim 1 double mechanical seal washing solution constant-voltage equipment, it is characterized in that: be provided with surface cock in the described water storage barrel, described surface cock is connected with a water pump control device by signaling line, and described controller is connected with control end in the pump housing by guide line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200770990U CN201137598Y (en) | 2007-12-24 | 2007-12-24 | Double end surface mechanical sealing flushing liquid constant pressure device for pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200770990U CN201137598Y (en) | 2007-12-24 | 2007-12-24 | Double end surface mechanical sealing flushing liquid constant pressure device for pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201137598Y true CN201137598Y (en) | 2008-10-22 |
Family
ID=40038285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200770990U Expired - Fee Related CN201137598Y (en) | 2007-12-24 | 2007-12-24 | Double end surface mechanical sealing flushing liquid constant pressure device for pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201137598Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101509504B (en) * | 2009-04-02 | 2012-07-04 | 湖北三峡泵业有限公司 | Mechanical seal cooling and flushing device for single-stage centrifugal pump |
| CN105257600A (en) * | 2015-11-02 | 2016-01-20 | 北京科技大学 | Emergency mechanical-sealing-water adding device and method for paste thickener underflow pump |
| CN105465053A (en) * | 2015-12-24 | 2016-04-06 | 福斯流体控制（苏州）有限公司 | Self-circulation flushing system of seawater circulating pump shaft seal |
| CN106640736A (en) * | 2016-09-18 | 2017-05-10 | 重庆华峰化工有限公司 | Sealing water washing method for slurry circulating pump in cyclohexanol device |
| CN107489187A (en) * | 2017-09-29 | 2017-12-19 | 云南大红山管道有限公司 | The water system of horizontal multi-stage double suction centrifugal pump is opened in a kind of level |
| CN108252964A (en) * | 2018-01-23 | 2018-07-06 | 威乐(中国)水泵系统有限公司 | A kind of mechanical seal rinsing system |
| CN108799189A (en) * | 2017-05-05 | 2018-11-13 | 曼柴油机和涡轮机欧洲股份公司 | Sealing system, the turbine with sealing system and the method for cleaning the sealing system |
-
2007
- 2007-12-24 CN CNU2007200770990U patent/CN201137598Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101509504B (en) * | 2009-04-02 | 2012-07-04 | 湖北三峡泵业有限公司 | Mechanical seal cooling and flushing device for single-stage centrifugal pump |
| CN105257600A (en) * | 2015-11-02 | 2016-01-20 | 北京科技大学 | Emergency mechanical-sealing-water adding device and method for paste thickener underflow pump |
| CN105465053A (en) * | 2015-12-24 | 2016-04-06 | 福斯流体控制（苏州）有限公司 | Self-circulation flushing system of seawater circulating pump shaft seal |
| CN106640736A (en) * | 2016-09-18 | 2017-05-10 | 重庆华峰化工有限公司 | Sealing water washing method for slurry circulating pump in cyclohexanol device |
| CN106640736B (en) * | 2016-09-18 | 2019-03-01 | 重庆华峰化工有限公司 | The sealing method for washing of size circulations pump in cyclohexanol device |
| CN108799189A (en) * | 2017-05-05 | 2018-11-13 | 曼柴油机和涡轮机欧洲股份公司 | Sealing system, the turbine with sealing system and the method for cleaning the sealing system |
| US11434930B2 (en) | 2017-05-05 | 2022-09-06 | Man Energy Solutions Se | Sealing system, turbomachine with a sealing system and method for cleaning the same |
| CN107489187A (en) * | 2017-09-29 | 2017-12-19 | 云南大红山管道有限公司 | The water system of horizontal multi-stage double suction centrifugal pump is opened in a kind of level |
| CN108252964A (en) * | 2018-01-23 | 2018-07-06 | 威乐(中国)水泵系统有限公司 | A kind of mechanical seal rinsing system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081022 Termination date: 20121224 |