CN105889118A - Mechanically-sealed industrial centrifugal pump - Google Patents
Mechanically-sealed industrial centrifugal pump Download PDFInfo
- Publication number
- CN105889118A CN105889118A CN201610510126.2A CN201610510126A CN105889118A CN 105889118 A CN105889118 A CN 105889118A CN 201610510126 A CN201610510126 A CN 201610510126A CN 105889118 A CN105889118 A CN 105889118A
- Authority
- CN
- China
- Prior art keywords
- pump
- centrifugal pump
- mechanically
- valve
- centrifugal
- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
- F04D29/10—Shaft sealings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a mechanically-sealed industrial centrifugal pump and relates to the field of mechanically-sealed operation protection of industrial centrifugal pumps. A circulation process pipeline is mounted between a pump outlet pipe and a pump inlet pipe of a centrifugal pump; the mounting position of one end of the circulation process pipeline is located at the back of a pump inlet valve; the mounting position of the other end of the circulation process pipeline is located at the front of a pump outlet valve; an adjusting valve is mounted on the circulation process pipeline. According to the mechanically-sealed industrial centrifugal pump, the stability of the inlet condition of the centrifugal pump is improved, so that the mechanically-sealed practical cycle of the centrifugal pump is prolonged.
Description
Technical field
The present invention relates to the technical field to industrial centrifugal pump mechanical sealing running protection, be specifically related 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 directly influences the stable of device more.Pump shaft of centrifugal pump and and the pump housing between sealing use mechanical seal, the job stability of centrifugal pump is required higher in running by mechanical seal, slightly fluctuation can cause mechanical seal temperature high, and in very short time, temperature fall is not gone down will result in mechanical seal and 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, and have a direct impact the operation stability of centrifugal pump, 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 solves the operation stability of pump, the cycle of operation that prolonged mechanical seals by changing centrifugal pump inlet operation process condition.
In order to solve the problem existing for background technology, it is by the following technical solutions that the present invention solves: it comprises centrifugal pump, pump discharge pipe, circulation technology pipeline, pump inlet pipe, control valve, pump inlet valve, pump discharge valve, the pump discharge pipe of centrifugal pump installs circulation technology pipeline between pump inlet pipe, circulation technology pipeline one end installation site is after pump inlet valve, other end installation site, before pump discharge valve, circulation technology pipeline is installed control valve.
The operation principle of the present invention: it installs a circulation technology pipeline at outlet of centrifugal pump pipe to inlet tube, because pump discharge pressure is more than pump inlet pressure, so medium can enter in pump inlet pipe in centrifugal pump running smoothly in outlet, pump discharge medium returns to the flow of pump inlet and relies on the control valve on circulation technology pipeline to control, normally take the 1/10 of centrifugal pump total flow, the installation site at circulation technology pipeline two ends 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 practical cycle of mechanical face seals of centrifugal pumps.
Accompanying drawing illustrates:
Fig. 1 is the process flow diagram of the present invention.
Detailed description of the invention
With reference to Fig. 1, the centrifugal pump that a kind of industrial machinery seals, it comprises centrifugal pump 1, pump discharge pipe 2, circulation technology pipeline 3, pump inlet pipe 4, control valve 5, pump inlet valve 6, pump discharge valve 7, circulation technology pipeline 3 is installed between centrifugal pump 1 pump discharge pipe 2 to pump inlet pipe 4, circulation technology pipeline 3 one end installation site is after pump inlet valve 6, and other end installation site is before pump discharge valve 7.Control valve 5 is installed on circulation technology pipeline 3.
Claims (1)
1. the centrifugal pump that an industrial machinery seals, it is characterised by that it comprises centrifugal pump, pump discharge pipe, circulation technology pipeline, pump inlet pipe, control valve, pump inlet valve, pump discharge valve, the pump discharge pipe of centrifugal pump installs circulation technology pipeline between pump inlet pipe, circulation technology pipeline one end installation site is after pump inlet valve, other end installation site, before pump discharge valve, circulation technology pipeline is installed control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610510126.2A CN105889118A (en) | 2016-07-03 | 2016-07-03 | Mechanically-sealed industrial centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610510126.2A CN105889118A (en) | 2016-07-03 | 2016-07-03 | Mechanically-sealed industrial centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105889118A true CN105889118A (en) | 2016-08-24 |
Family
ID=56719579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610510126.2A Pending CN105889118A (en) | 2016-07-03 | 2016-07-03 | Mechanically-sealed industrial centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105889118A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6607141B2 (en) * | 2000-08-02 | 2003-08-19 | Somchai Paarporn | Decentralized pumping system |
| 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 |
| 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 |
| CN205136057U (en) * | 2015-11-18 | 2016-04-06 | 安徽阿莫斯泵业有限公司 | Large -scale centrifugal pump comprehensive properties testing arrangement |
-
2016
- 2016-07-03 CN CN201610510126.2A patent/CN105889118A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6607141B2 (en) * | 2000-08-02 | 2003-08-19 | Somchai Paarporn | Decentralized pumping system |
| 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 |
| CN205136057U (en) * | 2015-11-18 | 2016-04-06 | 安徽阿莫斯泵业有限公司 | Large -scale centrifugal pump comprehensive properties testing arrangement |
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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 | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160824 |
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| WD01 | Invention patent application deemed withdrawn after publication |