CN108825519A - A kind of dredge pump operation and maintenance method for early warning - Google Patents
A kind of dredge pump operation and maintenance method for early warning Download PDFInfo
- Publication number
- CN108825519A CN108825519A CN201810402113.2A CN201810402113A CN108825519A CN 108825519 A CN108825519 A CN 108825519A CN 201810402113 A CN201810402113 A CN 201810402113A CN 108825519 A CN108825519 A CN 108825519A
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- China
- Prior art keywords
- dredge pump
- early warning
- value
- central processing
- processing unit
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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
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
-
- 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
- F04D15/0077—Safety measures
-
- 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
- F04D15/0088—Testing machines
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Abstract
The invention discloses a kind of dredge pump operation and maintenance method for early warning, pass through sensor, every operating parameter of flowmeter and densitometer real time monitoring dredge pump, it recycles central processing area real-time collecting and handles data, then by the working efficiency value for the dredge pump being calculated compared with efficiency reference value, when the working efficiency value of dredge pump meets early warning demand, central processing unit outwardly sends alarm signal by pre-warning signal sending device, staff is reminded to safeguard dredge pump, the real time monitoring and Dynamic Maintenance to dredge pump can be achieved, it is with strong points, maintenance effects are good, reduce shipping transport cost, dredge pump system working efficiency is improved simultaneously, the invention is used for technical field of ships.
Description
Technical field
The present invention relates to technical field of ships, more particularly to a kind of dredge pump operation and maintenance method for early warning.
Background technique
Currently, time maintenance and posterior maintenance scheme are taken in Dredge Pump's operation substantially, that is, it is based on dredge pump runing time
Or safeguarded after dredge pump failure, aboard ship standing a large amount of spare parts, dredge pump carry out parts replacement and dredge pump after going wrong
Maintenance work.This maintenance scheme will waste a large amount of fund and be used for spares reserve, while dredge pump posterior maintenance be easy to cause thing
Therefore magnify, extension accident is further resulted in, causality loss is expanded.
Summary of the invention
The dredge pump operation and maintenance method for early warning that the purpose of the present invention is to provide a kind of operation costs is low, maintenance effects are good.
The technical solution adopted by the present invention is that：
A kind of dredge pump operation and maintenance method for early warning, includes the following steps：
1) several efficiency reference values, the frequency conversion of central processing unit and control dredge pump working condition are set in central processing unit
Device real time communication；
2) data detection module is constituted in mud output end setting row pressure sensor, flowmeter and the densitometer of dredge pump,
And using the data detection module detection row pressure value of dredge pump, the density value of flow value and mud, row pressure sensor, flowmeter and close
Degree meter with central processing unit real time communication；
3) the reality output function of dredge pump is calculated by the density value of row pressure value, flow value and mud for central processing unit
Rate, and the real output of dredge pump is compared to obtain the working efficiency value of dredge pump with the output power of frequency converter；
4) the working efficiency value of dredge pump is compared to obtain comparison result by central processing unit with each efficiency reference value, center
Processor judges early warning demand according to comparison result, and is outwardly issued pair according to early warning demand by pre-warning signal sending device
The alarm signal answered.
It is further used as the improvement of technical solution of the present invention, in step 1), efficiency reference value altogether there are two, including first ginseng
Value and the second reference value are examined, the first reference value is greater than the second reference value.
It is further used as the improvement of technical solution of the present invention, and the value range of efficiency reference value is 50%~70%.
It is further used as the improvement of technical solution of the present invention, and in step 4), early warning demand includes dredge pump replacement early warning and leaf
Wheel replacement early warning.
It is further used as the improvement of technical solution of the present invention, and the Rule of judgment that dredge pump replaces early warning is the working efficiency of dredge pump
Value is less than the first reference value but is greater than the second reference value, and the Rule of judgment of impeller replacement early warning is that the working efficiency value of dredge pump is less than
Or it is equal to the second reference value.
It is further used as the improvement of technical solution of the present invention, and in step 3), the real output calculation method of dredge pump is P
=K × ρ × Q × p, P is the real output of dredge pump in formula, and K is dredge pump service factor, and ρ is the density of mud, and Q is mud
Flow velocity, p be dredge pump row pressure.
It is further used as the improvement of technical solution of the present invention, and in step 3), the working efficiency value of dredge pump is the reality of dredge pump
Output power/frequency converter output power.
It is further used as the improvement of technical solution of the present invention, and in step 2), water shutoff pressure is arranged in the water shutoff system of dredge pump
Sensor, and water shutoff pressure value, water shutoff pressure sensor and central processing unit real time communication are measured by water shutoff pressure sensor.
It is further used as the improvement of technical solution of the present invention, and in step 4), central processing unit will be from water shutoff pressure sensor
The water shutoff pressure value of acquisition is compared with the row pressure value of dredge pump, when water shutoff pressure value/row pressure value>When 1, central processing unit passes through early warning
Sender unit outwardly sends gallbladder break in dredge pump and warns.
It is further used as the improvement of technical solution of the present invention, and central processing unit is PLC controller.
Beneficial effects of the present invention：This dredge pump operation and maintenance method for early warning, it is real-time by sensor, flowmeter and densitometer
Every operating parameter of dredge pump is monitored, central processing area real-time collecting is recycled and handles data, the mud being then calculated
The working efficiency value of pump is compared with efficiency reference value, and when the working efficiency value of dredge pump meets early warning demand, central processing unit is logical
It crosses pre-warning signal sending device and outwardly sends alarm signal, staff is reminded to be safeguarded to dredge pump, it can be achieved that dredge pump
Real time monitoring and Dynamic Maintenance, with strong points, maintenance effects are good, reduce shipping transport cost, while improving dredge pump system
Working efficiency.
Detailed description of the invention
The present invention will be further explained below with reference to the attached drawings：
Fig. 1 is the system structure diagram of the embodiment of the present invention.
Specific embodiment
Referring to Fig.1, the present invention is a kind of dredge pump operation and maintenance method for early warning, is included the following steps：
1) several efficiency reference values, central processing unit 1 and control 2 working condition of dredge pump are set in central processing unit 1
3 real time communication of frequency converter；
2) a Data Detection mould is constituted in mud output end setting row pressure sensor 4, flowmeter 5 and the densitometer 6 of dredge pump 2
Block, and utilize the row pressure value of data detection module detection dredge pump 2, the density value of flow value and mud, row pressure sensor 4, flow
Meter 5 and densitometer 6 with 1 real time communication of central processing unit；
3) the reality output function of dredge pump 2 is calculated by the density value of row pressure value, flow value and mud for central processing unit 1
Rate, and the real output of dredge pump 2 is compared to obtain the working efficiency value of dredge pump 2 with the output power of frequency converter 3；
4) the working efficiency value of dredge pump 2 is compared to obtain comparison result by central processing unit 1 with each efficiency reference value, in
Central processor 1 judges early warning demand according to comparison result, and is outwardly sent out according to early warning demand by pre-warning signal sending device
Corresponding alarm signal out.
This 2 operation and maintenance method for early warning of dredge pump monitors each of dredge pump 2 in real time by sensor, flowmeter 5 and densitometer 6
Item operating parameter, recycles 1 real-time collecting of central processing unit simultaneously to handle data, then imitates the work for the dredge pump 2 being calculated
Rate value is compared with efficiency reference value, and when the working efficiency value of dredge pump 2 meets early warning demand, central processing unit 1 is believed by early warning
Number sending device outwardly sends alarm signal, and staff is reminded to be safeguarded to dredge pump 2, it can be achieved that the real-time of dredge pump 2
Monitoring and Dynamic Maintenance timely feedback 2 maintenance project of dredge pump, carry out spare part and make a reservation for safeguard with dredge pump 2, improve the work of dredge pump 2 and imitate
Rate, and 2 system operational security of dredge pump is improved, it cuts operating costs.With strong points, maintenance effects are good, reduce shipping transport
Cost, while improving 2 system working efficiency of dredge pump.
As a preferred embodiment of the present invention, in step 1), efficiency reference value altogether there are two, including the first reference value and
Second reference value, the first reference value are greater than the second reference value.
As a preferred embodiment of the present invention, the value range of efficiency reference value is 50%~70%, can use the first ginseng
Examining value is 70%, and the second reference value is 50%.
As a preferred embodiment of the present invention, in step 4), early warning demand includes dredge pump replacement early warning and impeller replacement
Early warning.
As a preferred embodiment of the present invention, the Rule of judgment of dredge pump replacement early warning is that the working efficiency value of dredge pump 2 is small
In the first reference value but be greater than the second reference value, impeller replacement early warning Rule of judgment be dredge pump 2 working efficiency value be less than or
Equal to the second reference value, specifically, then system enters early warning preparation stage, such as mud when the working efficiency value of dredge pump 2 is less than 70%
The working efficiency value of pump 2 then issues dredge pump replacement early warning, as the working efficiency value of dredge pump 2 is less than less than 70% but greater than 50%
Or when being equal to 50%, then impeller replacement early warning is issued.
As a preferred embodiment of the present invention, in step 3), the real output calculation method of dredge pump 2 be P=K ×
ρ × Q × p, P is the real output of dredge pump 2 in formula, and K is dredge pump service factor, can be inquired by the operation manuals of dredge pump 2
It obtains, ρ is the density of mud, and Q is the flow velocity of mud, and p is the row pressure of dredge pump.
As a preferred embodiment of the present invention, in step 3), the working efficiency value of dredge pump 2 is the reality output of dredge pump 2
The output power of power/frequency converter 3.
As a preferred embodiment of the present invention, in step 2), water shutoff pressure sensing is set in the water shutoff system 8 of dredge pump 2
Device 7, and water shutoff pressure value, water shutoff pressure sensor 7 and 1 real time communication of central processing unit are measured by water shutoff pressure sensor 7.
As a preferred embodiment of the present invention, in step 4), central processing unit 1 will be obtained from water shutoff pressure sensor 7
Water shutoff pressure value compared with the row pressure value of dredge pump 2, when water shutoff pressure value/row pressure value>When 1, central processing unit 1 is believed by early warning
Number sending device outwardly sends gallbladder break in dredge pump 2 and warns.
As a preferred embodiment of the present invention, central processing unit 1 is PLC controller.
Certainly, the invention is not limited to above embodiment, and those skilled in the art are without prejudice to originally
Equivalent deformation or replacement can be also made under the premise of spirit, these equivalent variation or replacement are all contained in the application right
It is required that in limited range.
Claims (10)
1. a kind of dredge pump operation and maintenance method for early warning, which is characterized in that include the following steps：
1) several efficiency reference values of setting in central processing unit (1), the central processing unit (1) and control dredge pump (2) work
Frequency converter (3) real time communication of state；
2) data inspection is constituted in mud output end setting row pressure sensor (4), flowmeter (5) and the densitometer (6) of dredge pump (2)
Module is surveyed, and utilizes the row pressure value of data detection module detection dredge pump (2), the density value of flow value and mud, the row
Pressure sensor (4), flowmeter (5) and densitometer (6) with the central processing unit (1) real time communication；
3) reality of dredge pump (2) is calculated by the density value of the row pressure value, flow value and mud for the central processing unit (1)
Border output power, and the real output of dredge pump (2) is compared to obtain dredge pump with the output power of the frequency converter (3)
(2) working efficiency value；
4) the working efficiency value of dredge pump (2) is compared with each efficiency reference value and is compared by the central processing unit (1)
Compared with as a result, the central processing unit (1) judges early warning demand according to comparison result, and pre-warning signal is passed through according to early warning demand and is sent out
Device is sent outwardly to issue corresponding alarm signal.
2. dredge pump operation and maintenance method for early warning according to claim 1, it is characterised in that：In step 1), the efficiency ginseng
Examine value altogether there are two, including the first reference value and the second reference value, first reference value are greater than the second reference value.
3. dredge pump operation and maintenance method for early warning according to claim 2, it is characterised in that：The value of the efficiency reference value
Range is 50%~70%.
4. dredge pump operation and maintenance method for early warning according to claim 3, it is characterised in that：In step 4), the early warning is needed
It asks and replaces early warning and impeller replacement early warning including dredge pump.
5. dredge pump operation and maintenance method for early warning according to claim 4, it is characterised in that：The dredge pump replacement early warning is sentenced
Broken strip part is that the working efficiency value of dredge pump (2) is less than first reference value but is greater than second reference value, and the impeller is more
The Rule of judgment for changing early warning is the working efficiency value of dredge pump (2) less than or equal to second reference value.
6. dredge pump operation and maintenance method for early warning according to claim 5, it is characterised in that：In step 3), the dredge pump (2)
Real output calculation method be P=K × ρ × Q × p, P is the real output of dredge pump (2) in formula, and K is dredge pump work
Make coefficient, ρ is the density of mud, and Q is the flow velocity of mud, and p is the row pressure of dredge pump (2).
7. dredge pump operation and maintenance method for early warning according to claim 6, it is characterised in that：In step 3), the work of dredge pump (2)
Make real output/frequency converter (3) output power that efficiency value is dredge pump (2).
8. dredge pump operation and maintenance method for early warning according to claim 1, it is characterised in that：In step 2), in dredge pump (2)
Water shutoff pressure sensor (7) are arranged in water shutoff system (8), and measure water shutoff pressure value, institute by the water shutoff pressure sensor (7)
State water shutoff pressure sensor (7) and central processing unit (1) real time communication.
9. dredge pump operation and maintenance method for early warning according to claim 8, it is characterised in that：In step 4), the centre
The water shutoff pressure value obtained from the water shutoff pressure sensor (7) compared with the row pressure value of dredge pump (2), is worked as water shutoff by reason device (1)
Pressure value/row pressure value>When 1, the central processing unit (1) outwardly sends dredge pump liner by the pre-warning signal sending device
Rupture warning.
10. dredge pump operation and maintenance method for early warning described according to claim 1~any one of 9, it is characterised in that：In described
Central processor (1) is PLC controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810402113.2A CN108825519A (en) | 2018-04-28 | 2018-04-28 | A kind of dredge pump operation and maintenance method for early warning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810402113.2A CN108825519A (en) | 2018-04-28 | 2018-04-28 | A kind of dredge pump operation and maintenance method for early warning |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108825519A true CN108825519A (en) | 2018-11-16 |
Family
ID=64147414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810402113.2A Pending CN108825519A (en) | 2018-04-28 | 2018-04-28 | A kind of dredge pump operation and maintenance method for early warning |
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| Country | Link |
|---|---|
| CN (1) | CN108825519A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111429036A (en) * | 2020-04-24 | 2020-07-17 | 广东电网有限责任公司 | Monitoring method and device for work efficiency of auditors |
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| 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 |
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2018
- 2018-04-28 CN CN201810402113.2A patent/CN108825519A/en active Pending
Patent Citations (4)
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|---|---|---|---|---|
| JP2003336593A (en) * | 2002-05-20 | 2003-11-28 | Toyo Denki Industrial Co Ltd | Submergible pump and control method of submergible pump |
| CN104520585A (en) * | 2012-02-02 | 2015-04-15 | Ghd私人有限公司 | Pump efficiency determining system and related method for determining pump efficiency |
| 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 |
| CN206545580U (en) * | 2017-03-10 | 2017-10-10 | 北京航天拓扑高科技有限责任公司 | A kind of pump efficiency detection means |
Non-Patent Citations (1)
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| CN111429036A (en) * | 2020-04-24 | 2020-07-17 | 广东电网有限责任公司 | Monitoring method and device for work efficiency of auditors |
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Application publication date: 20181116 |