CN106014959A - Monitoring system of shaft seal of mechanical pump - Google Patents
Monitoring system of shaft seal of mechanical pump Download PDFInfo
- Publication number
- CN106014959A CN106014959A CN201610539808.6A CN201610539808A CN106014959A CN 106014959 A CN106014959 A CN 106014959A CN 201610539808 A CN201610539808 A CN 201610539808A CN 106014959 A CN106014959 A CN 106014959A
- Authority
- CN
- China
- Prior art keywords
- mechanical pump
- pump
- axle envelope
- control module
- monitoring system
- 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
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B51/00—Testing machines, pumps, or pumping installations
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Non-Positive-Displacement Pumps (AREA)
Abstract
The invention discloses a monitoring system of a shaft seal of a mechanical pump. The monitoring system comprises a frequency converter, a seal water pump, a flow sensor, a pressure sensor, the mechanical pump and a control module. The control module is used for starting the seal water pump through the frequency converter before operation of the mechanical pump according to the mounting parameter and the shaft seal design operation parameter of the mechanical pump, so that pressure data currently measured by the pressure sensor reach a preset pressure value, and flow data currently measured by the flow sensor are acquired. The control module is further used for determining the work state of the shaft seal of the mechanical pump according to the flow data. According to the monitoring system, on the premise of meeting normal and safe work of the ship mechanical pump, the shaft seal is dynamically monitored, and the maintenance efficiency and normal work reliability of the ship mechanical pump are improved.
Description
Technical field
The present invention relates to technical field of ships, particularly relate to the axle envelope monitoring system of a kind of mechanical pump.
Background technology
At present, the bearing seal of boats and ships big machinery pump (water pump or dredge pump) is detected with the effective of lubrication,
Control and safeguard to broadly fall into and the thing of difficulty.The standard of replacement of axle envelope is with the working time as reference, if axle
Envelope excessive loss, then need to be serviced replacing.But, prior art cannot countershaft envelope excessive loss and
Loss is not enough, and both states detect, cause large pump or the repair spare part of dredge pump, run safety and
The problems such as artificial loss, thus have impact on the job security of marine system, operation cost and efficiency, and
Operation maintenance work to large pump or dredge pump causes bigger workload.
Summary of the invention
The embodiment of the present invention proposes the axle envelope monitoring system of a kind of mechanical pump, is meeting the normal of ship machinery pump
On the premise of trouble free service, countershaft envelope carries out dynamic monitoring, improves the maintenance efficiency and just of ship machinery pump
The often reliability of work.
The embodiment of the present invention provides the axle envelope monitoring system of a kind of mechanical pump, including: converter, water shutoff pump,
Flow transducer, pressure transducer, mechanical pump and control module；
Wherein, described control module respectively with described converter, described flow transducer, described pressure sensing
Device connects；
Described water shutoff pump is connected with described converter, described flow transducer；
Described mechanical pump is connected with described flow transducer, pressure transducer；
Described control module is for the installation parameter according to described mechanical pump and shaft seal design operational factor, in institute
State before mechanical pump runs and start described water shutoff pump by described converter so that described pressure transducer is currently surveyed
The pressure data of amount reaches preset pressure value, and obtains described flow transducer when the data on flows of pre-test；
Described control module is additionally operable to, according to described data on flows, determine the axle envelope duty of described mechanical pump.
Further, described control module is additionally operable to, according to described data on flows, determine the axle of described mechanical pump
Envelope duty, particularly as follows:
The more described data on flows of described control module and preset flow higher limit, if described data on flows is big
In described preset flow higher limit, it is determined that described axle envelope duty is request replacing state；
If described data on flows is less than or equal to described preset flow higher limit, it is determined that described axle envelope work
State is normal operating conditions.
Further, described control module is additionally operable to determining that described axle envelope duty is for request replacing state
After, send warning message to user, with the axle envelope pointing out user to change described mechanical pump.
Further, described control module is additionally operable to determining described axle envelope duty is normal operating conditions
After, described data on flows is set to the running parameter of described water shutoff pump, and according to described running parameter to institute
The operating pressure stating water shutoff pump is adjusted controlling.
Further, described mechanical pump is water pump or dredge pump.
Implement the embodiment of the present invention, have the advantages that
The axle envelope monitoring system of the mechanical pump that the embodiment of the present invention provides, including converter, water shutoff pump, flow
Sensor, pressure transducer, mechanical pump and control module.Wherein, control module is according to the installation of mechanical pump
Parameter and shaft seal design operational factor, start water shutoff pump by converter so that pressure before mechanical pump runs
Sensor reaches preset pressure value when the pressure data of pre-test, and obtains flow transducer when the stream of pre-test
Amount data；The axle envelope duty of mechanical pump is determined finally according to data on flows.Cannot compared to prior art
The loss situation of monitoring axle envelope, the present invention on the premise of meeting the normal of ship machinery pump and trouble free service,
Countershaft envelope carries out dynamic monitoring, improves maintenance efficiency and the reliability of normal work of ship machinery pump.
Further, the present invention monitor system determine axle envelope duty for request replacing state after, Xiang Yong
Family sends warning message, with the axle envelope pointing out user to change mechanical pump, it is to avoid axle seals excessive loss and brings peace
Full hidden danger, improves the reliability of ship machinery pump further.
Further, the present invention monitors system after determining axle envelope duty is normal operating conditions, will stream
Amount data are as the running parameter of described water shutoff pump, and carry out the operating pressure of water shutoff pump according to running parameter
Adjust and control, not only meet water shutoff traffic requirement, and ensure trouble free service and the work of mechanical pump that axle seals
Efficiency.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of embodiment of the axle envelope monitoring system of the mechanical pump that the present invention provides.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clearly
Chu, be fully described by, it is clear that described embodiment be only a part of embodiment of the present invention rather than
Whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creation
The every other embodiment obtained under property work premise, broadly falls into the scope of protection of the invention.
See Fig. 1, be the structural representation of a kind of embodiment of the axle envelope monitoring system of the mechanical pump that the present invention provides
Figure.As it is shown in figure 1, this axle envelope monitoring system include: converter 1, water shutoff pump 2, flow transducer 3,
Pressure transducer 4, mechanical pump 5 and control module 6.Wherein, control module 6 respectively with converter 1, stream
Quantity sensor 3, pressure transducer 4 connect.Water shutoff pump 2 is connected with converter 1, flow transducer 3.Machine
Tool pump 5 is connected with flow transducer 3, pressure transducer 4.
In the present embodiment, control module 6 is run for the installation parameter according to mechanical pump 5 and shaft seal design
Parameter, starts water shutoff pump 2 by converter 1 so that pressure transducer 4 is currently surveyed before mechanical pump 5 runs
The pressure data of amount reaches preset pressure value, and obtains flow transducer 3 when the data on flows of pre-test.
In the present embodiment, if pressure transducer 4 reaches preset pressure value when the pressure data of pre-test,
Then needing to meet axle envelope operating pressure difference is △ P.Water shutoff pump is monitored by flow transducer 3 under △ P operating mode
Data on flows between 2 and mechanical pump 5, control module 6, according to this data on flows, determines the axle envelope of mechanical pump
Duty.
In the present embodiment, axle envelope operating pressure difference △ P and shaft seal design operational factor, the installation position of mechanical pump
Put (to system back pressure) relevant, belong to relative constant.
In the present embodiment, control module 6 is additionally operable to, according to data on flows, determine the axle envelope work shape of mechanical pump
State, particularly as follows: the more described data on flows of control module and preset flow higher limit, if data on flows is big
In preset flow higher limit, it is determined that axle envelope duty is request replacing state.If data on flows is less than
Or equal to preset flow higher limit, it is determined that axle envelope duty is normal operating conditions.
In the present embodiment, control module 6 is additionally operable to after determining that axle envelope duty is for request replacing state,
Warning message is sent, with the axle envelope pointing out user to change mechanical pump 2 to user.
In the present embodiment, control module 6 is additionally operable to after determining that axle envelope duty is normal operating conditions,
Data on flows is set to the running parameter of water shutoff pump, and according to the running parameter operating pressure to water shutoff pump 2
It is adjusted controlling.
Before mechanical pump 2 each run, water shutoff pump 2 is carried out demarcating fortune by control module 6 by converter 1
OK, finding this and run optimal water shutoff flow parameter, the most countershaft envelope duty detects.Water shutoff pump 2
Operation control relevant with water shutoff flux scale definite value, belong to dynamically control.
As a kind of citing of the present embodiment, mechanical pump 5 can be, but not limited to as water pump or dredge pump.
Therefore, the axle envelope monitoring system of the mechanical pump that the embodiment of the present invention provides, including converter 1, envelope
Water pump 2, flow transducer 3, pressure transducer 4, mechanical pump 5 and control module 6.Wherein, mould is controlled
Block 6 is according to the installation parameter of mechanical pump 5 and shaft seal design operational factor, by becoming before mechanical pump 5 runs
Frequently device starts water shutoff pump 2 so that pressure transducer 4 reaches preset pressure value when the pressure data of pre-test, and
Obtain flow transducer 3 when the data on flows of pre-test；The axle of mechanical pump 5 is determined finally according to data on flows
Envelope duty.Cannot monitor the loss situation of axle envelope compared to prior art, the present invention is meeting boats and ships machine
On the premise of the normal and trouble free service of tool pump, countershaft envelope carries out dynamic monitoring, improves the dimension of ship machinery pump
Protect efficiency and the reliability of normal work.
Further, the present invention monitor system determine axle envelope duty for request replacing state after, Xiang Yong
Family sends warning message, with the axle envelope pointing out user to change mechanical pump, it is to avoid axle seals excessive loss and brings peace
Full hidden danger, improves the reliability of ship machinery pump further.
Further, the present invention monitors system after determining axle envelope duty is normal operating conditions, will stream
Amount data are as the running parameter of described water shutoff pump, and carry out the operating pressure of water shutoff pump according to running parameter
Adjust and control, not only meet water shutoff traffic requirement, and ensure trouble free service and the work of mechanical pump that axle seals
Efficiency.
The above is the preferred embodiment of the present invention, it is noted that for the common skill of the art
For art personnel, under the premise without departing from the principles of the invention, it is also possible to make some improvements and modifications, this
A little improvements and modifications are also considered as protection scope of the present invention.
Claims (5)
1. the axle envelope monitoring system of a mechanical pump, it is characterised in that including: converter, water shutoff pump, stream
Quantity sensor, pressure transducer, mechanical pump and control module；
Wherein, described control module respectively with described converter, described flow transducer, described pressure sensing
Device connects；
Described water shutoff pump is connected with described converter, described flow transducer；
Described mechanical pump is connected with described flow transducer, pressure transducer；
Described control module is for the installation parameter according to described mechanical pump and shaft seal design operational factor, in institute
State before mechanical pump runs and start described water shutoff pump by described converter so that described pressure transducer is currently surveyed
The pressure data of amount reaches preset pressure value, and obtains described flow transducer when the data on flows of pre-test；
Described control module is additionally operable to, according to described data on flows, determine the axle envelope duty of described mechanical pump.
The axle envelope monitoring system of mechanical pump the most according to claim 1, it is characterised in that described control
Module is additionally operable to, according to described data on flows, determine the axle envelope duty of described mechanical pump, particularly as follows:
The more described data on flows of described control module and preset flow higher limit, if described data on flows is big
In described preset flow higher limit, it is determined that described axle envelope duty is request replacing state；
If described data on flows is less than or equal to described preset flow higher limit, it is determined that described axle envelope work
State is normal operating conditions.
The axle envelope monitoring system of mechanical pump the most according to claim 2, it is characterised in that described control
Module is additionally operable to, after determining that described axle envelope duty is for request replacing state, send warning message to user,
The axle envelope of described mechanical pump is changed with prompting user.
The axle envelope monitoring system of mechanical pump the most according to claim 2, it is characterised in that described control
Module is additionally operable to, after determining that described axle envelope duty is normal operating conditions, described data on flows be arranged
For the running parameter of described water shutoff pump, and according to described running parameter, the operating pressure of described water shutoff pump is carried out
Adjust and control.
5. seal monitoring system according to the axle of the mechanical pump described in any one of Claims 1-4, it is characterised in that
Described mechanical pump is water pump or dredge pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610539808.6A CN106014959A (en) | 2016-07-08 | 2016-07-08 | Monitoring system of shaft seal of mechanical pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610539808.6A CN106014959A (en) | 2016-07-08 | 2016-07-08 | Monitoring system of shaft seal of mechanical pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106014959A true CN106014959A (en) | 2016-10-12 |
Family
ID=57109310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610539808.6A Pending CN106014959A (en) | 2016-07-08 | 2016-07-08 | Monitoring system of shaft seal of mechanical pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106014959A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113202810A (en) * | 2021-05-11 | 2021-08-03 | 中交广州航道局有限公司 | Mud pump shaft seal intelligent detection system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202560624U (en) * | 2012-03-01 | 2012-11-28 | 金庆明 | Circulation protection and control system of mechanical seals |
| CN202768493U (en) * | 2012-07-10 | 2013-03-06 | 中国铝业股份有限公司 | Mechanical seal cooling system |
| CN203081844U (en) * | 2012-12-31 | 2013-07-24 | 石家庄联合盛鑫泵业股份有限公司 | Water sealing system of excavating pump |
| CN204128757U (en) * | 2014-07-15 | 2015-01-28 | 浙江工业大学 | A kind of proving installation of sliding-contact packing sealing property |
| 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 |
-
2016
- 2016-07-08 CN CN201610539808.6A patent/CN106014959A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202560624U (en) * | 2012-03-01 | 2012-11-28 | 金庆明 | Circulation protection and control system of mechanical seals |
| CN202768493U (en) * | 2012-07-10 | 2013-03-06 | 中国铝业股份有限公司 | Mechanical seal cooling system |
| CN203081844U (en) * | 2012-12-31 | 2013-07-24 | 石家庄联合盛鑫泵业股份有限公司 | Water sealing system of excavating pump |
| CN204128757U (en) * | 2014-07-15 | 2015-01-28 | 浙江工业大学 | A kind of proving installation of sliding-contact packing sealing property |
| 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 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113202810A (en) * | 2021-05-11 | 2021-08-03 | 中交广州航道局有限公司 | Mud pump shaft seal intelligent detection system |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161012 |