CN105570113A - Remote online monitoring system for slurry pump - Google Patents
Remote online monitoring system for slurry pump Download PDFInfo
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- CN105570113A CN105570113A CN201610118789.XA CN201610118789A CN105570113A CN 105570113 A CN105570113 A CN 105570113A CN 201610118789 A CN201610118789 A CN 201610118789A CN 105570113 A CN105570113 A CN 105570113A
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- slurry pump
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- 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
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/06—Control using electricity
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- General Engineering & Computer Science (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Abstract
The invention discloses a remote online monitoring system for a slurry pump. A state signal of a monitored slurry pump is transmitted to a collecting device by a signal cable; after treatment by adopting a data collector, a switchboard and a photoelectric converter in a collecting device, a finally output optical signal is transmitted to a central control room by an optical fiber, is converted by the photoelectric converter or the photoelectric switchboard and is connected to a local area network by a net cable; and a monitoring center acquires the operation conditions of the slurry pump by visiting the local area network or internet, so as to provide technical support. The slurry pump equipment state is controlled, predictive maintenance can be achieved, maintenance interval can be prolonged, and technical support can be provided for reasonably lowering maintenance cost; the slurry pump equipment is reliable and safe in operation, and can reduce security risk caused by point inspection of persons; dependence on the quality and enthusiasm of point inspection persons is greatly reduced; and real upgrade of equipment management can be promoted by the combination of slurry pump online state monitoring and equipment management, and equipment management efficiency is promoted.
Description
Technical field
The present invention relates to a kind of slurry pump monitoring system, especially a kind of slurry pump remote online monitoring system.
Background technique
Slurry pump is the heart of geological drilling equipment, and it is one of key equipment in the operations such as well cementation, pressure break, acidifying, and it also plays an important role in petroleum chemical industry.Slurry pump is a kind of reciprocating plunger pump, and it, by connecting rod, is converted to the rotary motion of motor the linear reciprocating motion of crosshead and piston, the mud of low pressure is compressed into high-pressure slurry.In drilling process with high pressure to the higher drilling fluid of shaft bottom transfer of highly viscous, large proportion and sand content, in order to cooling drill bit, wash away shaft bottom, fractured rock, when shaft bottom returns, carry out landwaste, be one of most important manufacturing equipment of petroleum drilling operation.Slurry pump operating conditions is severe, and its performance, structure, reliability, directly affect the quality of drilling quality.According to incompletely statistics, the loss that China causes due to slurry pump fault reaches 200,000,000 yuan every year.
Summary of the invention
Technical problem to be solved by this invention is, provides a kind of slurry pump remote online monitoring system based on automation, informationization, networking, realizes the continuous on-line monitoring to situ of drilling well mud pump equipment.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is: a kind of slurry pump remote online monitoring system, and tested slurry pump state signal imports collecting device into by signal cable; The process of the data collector in collecting device, switchboard, photovoltaic converter, the optical signal of final output is sent to central control chamber by optical fiber, through photovoltaic converter or the conversion of photoelectricity switchboard, by netting twine access to LAN, monitoring center obtains slurry pump runnability by access Local Area Network or internet, carries out technical support.
Separate unit slurry pump adopts 12 to vibrate measuring point, 1 rotating speed measuring point, the vibration gathered by sensor and tach signal, by modbus-tcp protocol module access data collector, from the data-signal that data collector exports, after switchboard, access photovoltaic converter again, convert to optical signal laggard enter optical fiber ring network.
Every platform slurry pump configures 3 AIC9000 data collectors, and each data collector is 12 passages, wherein four-way vibration, two passage rotating speeds, and rest channels is reserved cached variable, supports extended channel at any time.
The vibration of described slurry pump and tach signal comprise the vibration velocity, vibratory impulse and the speed-frequency that produce at work, monitoring system is by each delta data when sensor, the work of vibration pickup Real-time Collection slurry pump keypoint part, and the monitor server these data passed in central control chamber, the relevant monitor signal numerical value of display in real time on display device in central control chamber, and store in storage.
Monitoring system automatic timing record Monitoring Data, and upload to monitor server formation SQL monitor database.
Central control chamber monitor server is default preserved a record automatically at interval of 1 minute, and every bar monitoring record comprises vibration original waveform, the frequency spectrum of slurry pump vibration measuring point.
Central control chamber carries out the process of Monitoring Data by software module;
Software module comprises: waveform parameter module: peak value, mean value, effective value, peak index, waveform index, pulse index, margin index, kurtosis index;
Frequency content module: various fault characteristic frequency frequency multiplication composition presses the large minispread of peak value, all primary oscillation source of fast finding, the i.e. position of abnormal vibrations and reason;
Monitoring Data puocessing module: adjust acquisition parameter on demand according to failure mode, acquisition parameter comprises port number, analysis frequency, sampling number, low pass setting, the setting of low pass flex point, high pass, anti-mixed setting, envelope setting, triggering mode;
Analytic function module: time-domain analysis, frequecny domain analysis, correlation analysis, probability analysis, wavelet analysis, trends analysis, Phase analysis, the time is three-dimensional, rotating speed is three-dimensional, axle center locus, Bode diagram, nyquist diagram.
The invention has the beneficial effects as follows: slurry pump remote online monitoring system achieves 1) the condition controlled and Predictive Maintenance of mud pump equipment, extending maintenance interval, providing technical support for rationally reducing recondition expense; 2) the reliable safety of mud pump equipment, reduces the security risk that personnel's spot check brings; 3) dependence of spot check peopleware and enthusiasm is reduced greatly; 4) slurry pump on-line condition monitoring and managing in conjunction with pushing equipment of equipment management system are really upgraded, the lifting means efficiency of management.
Accompanying drawing explanation
Fig. 1 is that slurry pump remote online monitoring system of the present invention totally forms block diagram.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail:
As shown in Figure 1, slurry pump remote online monitoring system of the present invention, tested slurry pump 1 state signal imports collecting device 3 into by signal cable; The process of the data collector 4 in collecting device, switchboard 5, photovoltaic converter 6, the optical signal of final output is sent to central control chamber 8 by optical fiber, through photovoltaic converter or the conversion of photoelectricity switchboard, by netting twine access to LAN, monitoring center 9 obtains slurry pump 1 runnability by access Local Area Network or internet, carries out technical support.
Separate unit slurry pump 1 adopts 12 to vibrate measuring point, 1 rotating speed measuring point, the vibration gathered by sensor and tach signal, by modbus-tcp protocol module access data collector 4, from the data-signal that data collector 4 exports, after switchboard 5, access photovoltaic converter 6 again, convert to optical signal laggard enter optical fiber ring network.
Every platform slurry pump 1 configures 3 AIC9000 data collectors 4, and each data collector is 12 passages, wherein four-way vibration, two passage rotating speeds, and rest channels is reserved cached variable, supports extended channel at any time.
The vibration of described slurry pump and tach signal comprise the vibration velocity, vibratory impulse and the speed-frequency that produce at work, monitoring system is by each delta data when sensor, the work of vibration pickup Real-time Collection slurry pump keypoint part, and these data are passed to the monitor server in central control chamber 8, the relevant monitor signal numerical value of display in real time on display device in central control chamber, and store in storage.
Monitoring system automatic timing record Monitoring Data, and upload to monitor server formation SQL monitor database.
Central control chamber 8 monitor server is default preserved a record automatically at interval of 1 minute, and every bar monitoring record comprises vibration original waveform, the frequency spectrum of slurry pump vibration measuring point.
Central control chamber 8 carries out the process of Monitoring Data by software module;
Software module comprises: waveform parameter module: peak value, mean value, effective value, peak index, waveform index, pulse index, margin index, kurtosis index;
Frequency content module: various fault characteristic frequency frequency multiplication composition presses the large minispread of peak value, all primary oscillation source of fast finding, the i.e. position of abnormal vibrations and reason;
Monitoring Data puocessing module: adjust acquisition parameter on demand according to failure mode, acquisition parameter comprises port number, analysis frequency, sampling number, low pass setting, the setting of low pass flex point, high pass, anti-mixed setting, envelope setting, triggering mode;
Analytic function module: time-domain analysis, frequecny domain analysis, correlation analysis, probability analysis, wavelet analysis, trends analysis, Phase analysis, the time is three-dimensional, rotating speed is three-dimensional, axle center locus, Bode diagram, nyquist diagram.
The present invention utilizes informationization technology, to slurry pump units' installation on-line monitoring system, by the primary signal of operation field sensor and real time data remote transmission to server on base, realize the adjustment of operation field sensor, data capture, monitoring by server on base, base monitor terminal and realize the accurate judgement to mud pump equipment state by auxiliary diagnosis function and expert diagnosis, through multiple network platform distributing data, realize data sharing, technician at different levels is facilitated better to grasp exploration dynamically on-the-spot, guide field plant maintenance and maintenance.
In slurry pump remote online monitoring system implementation process, software and hardware effect is good, and entire system is environmentally withstanding the test of sleet, foggy weather, and anti-lightning, superiority that is anti-interference, failure rate is low are well represented.The aspect stable performances such as data capture at the scene, long-range transmission, base reception, remote terminal, telecontrol, the every complete data of slurry pump remote online monitoring system is accurate, and various Rational Parameters is effective.
Be described in detail below in conjunction with specific embodiment:
1, collection in worksite
In the present embodiment, separate unit slurry pump adopts 12 to vibrate measuring point, 1 rotating speed measuring point.The vibration that sensor gathers and tach signal, by modbus-tcp protocol module access AIC9600 data collector, from the data-signal that data collector exports, access photovoltaic converter 6 after TP-LINK conversion.Three slurry pump configure 9 AIC9000 data collectors, and each data collector is 12 passages, wherein four-way vibration, two passage rotating speeds, and rest channels is reserved cached variable, supports extended channel at any time.
2, system communication
Adopt AIC9600 system Optical Fiber Transmission scheme: as shown in Figure 1, tested slurry pump 1 state signal imports collecting device 3 into by signal cable 2; The process of the data collector 4 in collecting device, switchboard 5, photovoltaic converter 6, final output optical signal; Be sent to central control chamber 8 by optical fiber, again utilize photovoltaic converter or the conversion of photoelectricity switchboard; Use netting twine access to LAN, monitoring center 9 can be understood machine operation by access Local Area Network or internet or be carried out technical support.
3, data store
Monitoring system can automatic timing record Monitoring Data, and uploads monitor server and form SQL monitor database.A record was preserved automatically at interval of 1 minute in system default, can revise deposit interval when needing.Every bar monitoring record comprises vibration original waveform, the frequency spectrum of 36,3 slurry pump vibration measuring point, analyzes frequency range 5000Hz, spectral line number 1600.
4, systems soft ware and function
(1) the online long-range continuous sampling analysis software module of slurry pump comprises: 1) waveform parameter: peak value, mean value, effective value, peak index, waveform index, pulse index, margin index, kurtosis index; 2) frequency content: various fault characteristic frequency frequency multiplication composition presses the large minispread of peak value, all primary oscillation source of fast finding (position of abnormal vibrations and reason).3) specific aim image data: adjust acquisition parameter on demand as " port number according to failure mode, analysis frequency, sampling number, low pass is arranged, low pass flex point, high pass is arranged, anti-mixed setting, envelope is arranged, triggering mode etc. " 4) various analytic function: time-domain analysis, frequecny domain analysis, correlation analysis, probability analysis, wavelet analysis, trends analysis, Phase analysis, time is three-dimensional, rotating speed three-dimensional (start and stop analysis), axle center locus, Bode diagram, nyquist diagram.5) sampled data mode: online, off-line two kinds of analysis modes can be carried out.Detecting engineer uses portable computer to pass through RJ45 network interface connection monitoring hardware, analysis software just can be utilized to carry out on-line analysis, utilize expert system to carry out labor.6) vibration data two kinds of analytic functions: the batch processing analysis of vibration data, to analyze separately.Vibrate the work that batch facility is generally used for multiple spot single, multiple spot repeatedly continuous shaking data carry out searching alarm numerical value, after alarm numerical value to be found, carry out independent labor again.Independent analytic function is used for carrying out comparatively labor to single-point single continuous shaking data, can show the time domain under stable rotation operating mode, frequency curve, the numerical value such as display frequency, amplitude, 1X frequency multiplication, 2X frequency multiplication, 3X frequency multiplication, 4X frequency multiplication.Cursor follows frequency domain, time-domain curve display single-point numerical value, the alarm of display amplitude, alarm oscillating signal place sample point particular location etc.
(2) the detection display memory function of working condition signal
Slurry pump produces hydraulic flow, rotating speed, temperature and vibration at work, monitoring system is by each delta data when various sensor, the work of vibration pickup Real-time Collection slurry pump keypoint part, and these data are passed to storage, the relevant monitor signal numerical value of display in real time in LCD Display, and store in storage.
(3) real time alarm function of abnormal signal
Monitoring system, after the various signal data of Real-time Collection, vibration data, is compared with the warning gate data preset.When image data is higher than Alert data, monitoring system automatically carry out On Screen Display report to the police and light, audible alarm.
(4) transfer function of signal after storing
The oscillating signal collected can temporarily be stored in storage by the built-in hardware device such as storage, data/address bus, interface equipment of monitoring system, detecting engineer also can be connected on the interface equipment of system by portable computer, is read on portable computer by the sampled signal file of storage.Also the device analysis server in base can be sent data in real time by 3G network, remote monitoring on-the-spot all kinds of sampled data of equipment can be analyzed.
(5) dynamic simulation judges fault function
Analysis software provides analogue simulation fault and expert system diagnosis suggestion function for single-point single continuous sampling data.When detecting engineer and carrying out labor to certain single-point single continuous sampling data, analysis software can provide slurry pump rotation situation and the point position of three-dimensional artificial, from rotary work start, with representing 30 minutes real-time times 30 seconds, continuous display was from 30-120 minute field evidence, the numerical value change of display different measuring points and column temperature rise effect, the time domain of display fault point, frequency-domain waveform, display vibrating alert numerical value, display vibration amplitude alarm gate numerical value, showing temperature accuse numerical value, display alarm temperature gate section.The expert diagnosis storehouse that software carries simultaneously provides expert diagnosis conclusion, display vibration experts database diagnosis, the position at the hidden danger alarm position of structural drawing display simultaneously and device situation.
(6) slurry pump expert diagnosis function
Analysis software carries database function, the data data-in storehouse that can will at every turn analyze, so that statistics in the future, find mathematical statistics rule, revise the bandwidth range of normal data curve, revise gate warning numerical value and foundation is provided, improve and form expert database.
Analysis software carries expert diagnosis function, to failure condition, the vibrating numerical preset failure deagnostic structure of the keypoint parts such as gear, bearing, motor, valve, when sampled data and preset data are coincide, analysis software automatically provides the prompting of expert diagnosis conclusion and detects engineer.Analysis data and analysis result in conjunction with the modal analysis detecting engineer, maintenance engineering teacher, can also combine by analysis software simultaneously, and write expert diagnostics information storehouse, with gradual perfection.
The present invention utilizes informationization technology to carry out lifting means managerial skills, to slurry pump units' installation on-line monitoring system, automatic alarm is carried out to unit exception state in the basis of the complete status information of equipment of Real-time Collection, and utilize auxiliary diagnosis function and the accurate judgement of expert diagnosis realization to equipment state, make equipment management personnel grasp the state of Key generating unit real-time and accurately.
In sum, content of the present invention is not limited in the above-described embodiment, and the knowledgeable people in same area can propose other embodiment easily within technological guidance's thought of the present invention, but this embodiment comprises within the scope of the present invention.
Claims (7)
1. a slurry pump remote online monitoring system, is characterized in that, tested slurry pump (1) state signal imports collecting device (3) into by signal cable; The process of the data collector (4) in collecting device, switchboard (5), photovoltaic converter (6), the optical signal of final output is sent to central control chamber (8) by optical fiber, through photovoltaic converter or the conversion of photoelectricity switchboard, by netting twine access to LAN, monitoring center (9) obtains slurry pump (1) runnability by access Local Area Network or internet, carries out technical support.
2. slurry pump remote online monitoring system according to claim 1, it is characterized in that, separate unit slurry pump (1) adopts 12 vibrations measuring point, 1 rotating speed measuring point, the vibration gathered by sensor and tach signal, by modbus-tcp protocol module access data collector (4), from the data-signal that data collector (4) exports, after switchboard (5), access photovoltaic converter (6) again, convert to optical signal laggard enter optical fiber ring network.
3. slurry pump remote online monitoring system according to claim 2, it is characterized in that, every platform slurry pump (1) configuration 3 AIC9000 data collectors (4), each data collector is 12 passages, wherein four-way vibration, two passage rotating speeds, rest channels is reserved cached variable, supports extended channel at any time.
4. slurry pump remote online monitoring system according to claim 2, it is characterized in that, the vibration of described slurry pump and tach signal comprise the vibration velocity, vibratory impulse and the speed-frequency that produce at work, monitoring system is by each delta data when sensor, the work of vibration pickup Real-time Collection slurry pump keypoint part, and the monitor server these data passed in central control chamber (8), the relevant monitor signal numerical value of display in real time on display device in central control chamber, and store in storage.
5. slurry pump remote online monitoring system according to claim 4, is characterized in that, monitoring system automatic timing record Monitoring Data, and uploads to monitor server formation SQL monitor database.
6. slurry pump remote online monitoring system according to claim 5, it is characterized in that, central control chamber (8) monitor server is default preserved a record automatically at interval of 1 minute, and every bar monitoring record comprises vibration original waveform, the frequency spectrum of slurry pump vibration measuring point.
7. slurry pump remote online monitoring system according to claim 6, is characterized in that, central control chamber (8) carries out the process of Monitoring Data by software module;
Software module comprises: waveform parameter module: peak value, mean value, effective value, peak index, waveform index, pulse index, margin index, kurtosis index;
Frequency content module: various fault characteristic frequency frequency multiplication composition presses the large minispread of peak value, all primary oscillation source of fast finding, the i.e. position of abnormal vibrations and reason;
Monitoring Data puocessing module: adjust acquisition parameter on demand according to failure mode, acquisition parameter comprises port number, analysis frequency, sampling number, low pass setting, the setting of low pass flex point, high pass, anti-mixed setting, envelope setting, triggering mode;
Analytic function module: time-domain analysis, frequecny domain analysis, correlation analysis, probability analysis, wavelet analysis, trends analysis, Phase analysis, the time is three-dimensional, rotating speed is three-dimensional, axle center locus, Bode diagram, nyquist diagram.
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| CN201610118789.XA CN105570113A (en) | 2016-03-02 | 2016-03-02 | Remote online monitoring system for slurry pump |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116149254A (en) * | 2023-03-08 | 2023-05-23 | 中海油田服务股份有限公司 | Online monitoring device of ocean well cementation equipment |
| CN117329135A (en) * | 2023-10-13 | 2024-01-02 | 山东中探机械有限公司 | Method for monitoring running state of slurry pump based on data analysis |
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