CN106050685A - Industrial centrifugal pump adopting mechanical seal - Google Patents
Industrial centrifugal pump adopting mechanical seal Download PDFInfo
- Publication number
- CN106050685A CN106050685A CN201610492773.5A CN201610492773A CN106050685A CN 106050685 A CN106050685 A CN 106050685A CN 201610492773 A CN201610492773 A CN 201610492773A CN 106050685 A CN106050685 A CN 106050685A
- Authority
- CN
- China
- Prior art keywords
- pump
- centrifugal pump
- mechanical seal
- centrifugal
- valve
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
- F04D15/0005—Control, e.g. regulation, of pumps, pumping installations or systems by using valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
- F04D15/02—Stopping of pumps, or operating valves, on occurrence of unwanted conditions
- F04D15/0209—Stopping of pumps, or operating valves, on occurrence of unwanted conditions responsive to a condition of the working fluid
Abstract
The invention provides an industrial centrifugal pump adopting mechanical seal, and relates to the field of operation protection of the mechanical seal of industrial centrifugal pumps. A circulation process pipeline (3) is mounted between a pump outlet pipe (2) and a pump inlet pipe (4) of the centrifugal pump (1); one end of the circulation process pipeline (3) is mounted behind a pump inlet valve (6); and the other end of the circulation process pipeline (3) is mounted in front of a pump outlet valve (7). An adjusting valve (5) is mounted on the circulation process pipeline (3). Stability of conditions of an inlet of the centrifugal pump is improved, so that the practical cycle of the mechanical seal of the centrifugal pump is prolonged.
Description
Technical field
The present invention relates to the centrifugal pump that a kind of industrial machinery seals.
Background technology
Using centrifugal pump pressurized delivered mode in commercial plant the conveying of processing medium, the cycle of operation of centrifugal pump is straight more
Connect and have influence on the stable of device.Pump shaft of centrifugal pump and and the pump housing between sealing use mechanical seal, mechanical seal fortune
During row, the job stability to centrifugal pump requires higher, and slightly fluctuation can cause mechanical seal temperature high, in very short time
Temperature fall is not gone down will result in mechanical seal and is burnt out.Centrifugal pump job stability depends on the stability of pump inlet medium, but
Owing to being affected by process conditions in commercial plant, the component of centrifugal pump inlet medium and pressure can change, to from
The operation stability of heart pump has a direct impact, and directly the mechanical seal to centrifugal pump causes damage.
Summary of the invention
It is an object of the invention to provide the centrifugal pump that a kind of industrial machinery seals, it runs work by changing centrifugal pump inlet
Skill condition solves the operation stability of pump, the cycle of operation that prolonged mechanical seals.
In order to solve the problem existing for background technology, it is by the following technical solutions that the present invention solves: it is at centrifugal pump
A circulation technology pipeline installed by outlet to inlet tube, because pump discharge pressure is more than pump inlet pressure, so medium in outlet
Centrifugal pump running can enter in pump inlet pipe smoothly.Pump discharge medium returns to the flow of pump inlet and relies on circulation industrial
Control valve on pipeline adc controls.Normally take the 1/10 of centrifugal pump total flow.The installation site at circulation technology pipeline two ends must
Must be after pump inlet valve with pump discharge valve before.
The present invention has a following beneficial effect:
This practical technology, by improving the stability of centrifugal pump inlet process conditions, extends the practicality of mechanical face seals of centrifugal pumps
Cycle.Mechanical face seals of centrifugal pumps running protection features simple and practical process.
Accompanying drawing explanation
Fig. 1 is the process chart of the present invention.
Detailed description of the invention
With reference to Fig. 1, circulation technology pipeline 3, circulation technology pipe are installed between centrifugal pump 1 pump discharge pipe 2 to pump inlet pipe 4
Line 3 one end installation site is after pump inlet valve 6, and other end installation site is before pump discharge valve 7.Circulation technology
Control valve 5 is installed on pipeline 3.
Claims (2)
1. the centrifugal pump that industrial machinery seals, is characterised by that it comprises centrifugal pump (1), pump discharge pipe (2), circulation technology pipe
Line (3), pump inlet pipe (4), control valve (5), pump inlet valve (6), pump discharge valve (7).
The centrifugal pump that a kind of industrial machinery the most according to claim 1 seals, it is characterised in that centrifugal pump (1) pump discharge pipe
(2) installing circulation technology pipeline (3) between pump inlet pipe (4), circulation technology pipeline (3) one end installation site is at pump inlet valve
After door (2), other end installation site is before pump discharge valve (7)；Circulation technology pipeline installs control valve on (3)
(2)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610492773.5A CN106050685A (en) | 2016-06-30 | 2016-06-30 | Industrial centrifugal pump adopting mechanical seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610492773.5A CN106050685A (en) | 2016-06-30 | 2016-06-30 | Industrial centrifugal pump adopting mechanical seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106050685A true CN106050685A (en) | 2016-10-26 |
Family
ID=57166020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610492773.5A Pending CN106050685A (en) | 2016-06-30 | 2016-06-30 | Industrial centrifugal pump adopting mechanical seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106050685A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04234579A (en) * | 1990-08-21 | 1992-08-24 | Itt Flygt Ab | Method and device for automatic circulation in waste liquid pump station |
| US6250876B1 (en) * | 1997-05-27 | 2001-06-26 | Apv Fluid Handling Horsens A/S | Mechanical seal with flushing arrangement |
| CN204511984U (en) * | 2015-03-05 | 2015-07-29 | 安徽瀚洋节能科技有限公司 | A kind of centrifugal pump of industrial machinery sealing |
| CN104879321A (en) * | 2015-05-31 | 2015-09-02 | 安徽瀚洋节能科技有限公司 | Mechanically sealed industrial centrifugal pump |
| CN105090045A (en) * | 2014-12-02 | 2015-11-25 | 芜湖三峰节能设备有限公司 | Centrifugal pump with industrial mechanical seal |
| CN105781955A (en) * | 2016-05-23 | 2016-07-20 | 肥西县鑫山机械厂 | Centrifugal pump with industrial mechanical seal |
-
2016
- 2016-06-30 CN CN201610492773.5A patent/CN106050685A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04234579A (en) * | 1990-08-21 | 1992-08-24 | Itt Flygt Ab | Method and device for automatic circulation in waste liquid pump station |
| US6250876B1 (en) * | 1997-05-27 | 2001-06-26 | Apv Fluid Handling Horsens A/S | Mechanical seal with flushing arrangement |
| CN105090045A (en) * | 2014-12-02 | 2015-11-25 | 芜湖三峰节能设备有限公司 | Centrifugal pump with industrial mechanical seal |
| CN204511984U (en) * | 2015-03-05 | 2015-07-29 | 安徽瀚洋节能科技有限公司 | A kind of centrifugal pump of industrial machinery sealing |
| CN104879321A (en) * | 2015-05-31 | 2015-09-02 | 安徽瀚洋节能科技有限公司 | Mechanically sealed industrial centrifugal pump |
| CN105781955A (en) * | 2016-05-23 | 2016-07-20 | 肥西县鑫山机械厂 | Centrifugal pump with industrial mechanical seal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 |
Application publication date: 20161026 |
|
| RJ01 | Rejection of invention patent application after publication |