CN114776602A - Petrochemical engineering pump group operation monitoring and fault diagnosis system based on ad hoc network and management method - Google Patents
Petrochemical engineering pump group operation monitoring and fault diagnosis system based on ad hoc network and management method Download PDFInfo
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- CN114776602A CN114776602A CN202210221996.3A CN202210221996A CN114776602A CN 114776602 A CN114776602 A CN 114776602A CN 202210221996 A CN202210221996 A CN 202210221996A CN 114776602 A CN114776602 A CN 114776602A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 36
- 238000003745 diagnosis Methods 0.000 title claims abstract description 27
- 238000007726 management method Methods 0.000 title abstract description 7
- 238000012806 monitoring device Methods 0.000 claims abstract description 73
- 238000007789 sealing Methods 0.000 claims description 18
- 238000003860 storage Methods 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 10
- 230000017525 heat dissipation Effects 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 6
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- 230000002159 abnormal effect Effects 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 3
- 230000007797 corrosion Effects 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 claims description 3
- 238000003672 processing method Methods 0.000 claims description 3
- 239000000565 sealant Substances 0.000 claims description 2
- 238000013461 design Methods 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 description 6
- 238000003780 insertion Methods 0.000 description 5
- 230000037431 insertion Effects 0.000 description 5
- 238000007689 inspection Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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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
- F04D15/0088—Testing machines
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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
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
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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
- F04D13/00—Pumping installations or systems
- F04D13/12—Combinations of two or more pumps
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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
- F04D15/0077—Safety measures
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H11/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties
- G01H11/06—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties by electric means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
- G01M3/28—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
- G01M3/2807—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipes
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
- H02K11/25—Devices for sensing temperature, or actuated thereby
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
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- General Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Abstract
The invention relates to the technical field of oil exploitation, and particularly discloses a petrochemical pump group operation monitoring and fault diagnosis system and a management method based on an ad hoc network; the system comprises a control cabinet, a portable receiving terminal, a pump group consisting of a plurality of petrochemical engineering pumps, a temperature monitoring device arranged on each petrochemical engineering pump, a pump body mechanical seal monitoring device arranged on each petrochemical engineering pump, an operation vibration monitoring device arranged on each petrochemical engineering pump, and a flow monitoring device for monitoring the flow of a single petrochemical engineering pump and the total flow of the monitoring pump group; the intelligent degree of its design of whole device is high, need not the operation personnel and regularly patrols and examines, directly carries out corresponding maintenance to it through the fault diagnosis result that receives, has reduced operation personnel's intensity of labour, has effectively guaranteed the normal steady operation of petrochemical pump crowd.
Description
Technical Field
The invention relates to the technical field of oil exploitation, and particularly discloses a petrochemical pump group operation monitoring and fault diagnosis system based on an ad hoc network and a management method.
Background
In the field of process manufacturing, particularly petrochemical industry, a large number of pump devices are arranged in a factory, and a pump group is formed by a plurality of pumps. Once a pump fails, production is affected, waste is caused, the product quality is unstable, and even accidents are caused. In the prior art, a large amount of machine pump equipment scattered in various places of a factory is monitored by adopting a manual regular inspection mode, and for more detection parameters of the machine pump, such as the running temperature of the machine pump, the running vibration condition of the machine pump, the mechanical sealing performance of a pump body and the like, the existing manual regular inspection mode measures the vibration and temperature data of the machine pump equipment through a temperature measuring gun and a vibration measuring instrument, records the data on a paper inspection table, and performs data analysis and fault judgment through signature inspection by a superior supervisor.
The invention with the application number of 201410575336.0 discloses an online intelligent monitoring device for a water pump motor, which comprises a microprocessor, a control circuit and an over-current alarm unit, wherein the microprocessor comprises a current detection module, a voltage detection module, a power factor monitoring module, a temperature sensor and an alarm module which are respectively connected with the microprocessor, the microprocessor is also connected with an RS485 communication interface, the microprocessor is also connected with a power supply for supplying power, the control circuit comprises an MSP430 chip, and the alarm module comprises a high-temperature over-temperature alarm unit, an over-voltage alarm unit and an over-current alarm unit. Although the water pump motor online intelligent monitoring device can detect the temperature and current and voltage when the pump runs through the set sensor, the current detection module and the voltage detection module, the water pump motor online intelligent monitoring device cannot monitor the running vibration condition of a pump group, the mechanical sealing performance of a pump body and other aspects in real time; in addition, the device gives an alarm through the set alarm module, but when the operator is not near the alarm, the operator cannot timely receive related prompts, and the result of the fault diagnosis of the pump cannot be timely sent to the operator, so that the operator is reminded of timely handling. Therefore, aiming at the defects of the existing pump group monitoring device, the petrochemical pump group operation monitoring and fault diagnosis system and management method based on the ad hoc network are designed to solve the technical problem to be solved by the defects of the prior art.
Disclosure of Invention
The invention aims to design a petrochemical pump group operation monitoring and fault diagnosis system and a management method based on an ad hoc network aiming at the defects of the conventional pump group monitoring device in the background technology.
The invention is realized by the following technical scheme:
a petrochemical industry pump group operation monitoring and fault diagnosis system based on ad hoc network comprises a control cabinet, a portable receiving terminal, a pump group consisting of a plurality of petrochemical industry pumps, a temperature monitoring device arranged on each petrochemical industry pump, a pump body mechanical seal monitoring device arranged on each petrochemical industry pump, an operation vibration monitoring device arranged on each petrochemical industry pump, and a flow monitoring device used for monitoring the flow of a single petrochemical industry pump and the total flow of the monitoring pump group;
the petrochemical pump monitoring device comprises a plurality of petrochemical pump units, wherein the petrochemical pump units are arranged in a row in order, an installation base plate is arranged below the petrochemical pump units in the row, the lower end of each petrochemical pump unit is provided with a pump base, the operation vibration monitoring device comprises stand columns arranged on the lower surface of the pump base and sleeves arranged on the installation base plate and corresponding to the stand columns, the lower ends of the stand columns are connected with cylindrical permanent magnets, the lower ends of the permanent magnets are connected with end blocks matched with the sleeves, the lower ends of the end blocks are connected with first springs, the lower ends of the first springs are connected with the bottom walls of the sleeves, spiral coils are arranged in the sleeves located at the same height of the permanent magnets, the outer surfaces of the sleeves are provided with current sensors, and two end parts of each spiral coil are connected with the current sensors;
the petrochemical mechanical pump comprises a mechanical pump motor, a pump body, a pump shaft and an impeller, wherein an output shaft of the mechanical pump motor is connected with the pump shaft, the end part of the pump shaft, which extends into the pump body, is connected with the impeller, a mechanical seal assembly is arranged in the pump body between the mechanical pump motor and the impeller, a closed space is arranged in the mechanical seal assembly, which is close to one end of the impeller, the mechanical seal monitoring device of the pump body comprises a hydraulic sensor arranged in the closed space, and a converter connected with the hydraulic sensor is arranged at the upper end of the pump body;
the temperature monitoring device comprises an installation block and a temperature sensor which are arranged at the upper end of the pump motor, wherein the installation block is provided with an insertion hole which can be inserted into the pump motor, and a temperature probe on the temperature sensor extends into the pump motor through the insertion hole;
the liquid outlet ends of the petrochemical pumps are connected with oil delivery branch pipes, the end parts of the oil delivery branch pipes are connected with an oil delivery main pipe, and the flow monitoring device comprises a first flow detector and a second flow detector which are respectively arranged on the oil delivery branch pipes and the oil delivery main pipe;
the lateral surface of control cabinet is provided with the connector with current sensor, converter, temperature sensor, first flow detector and second flow detector electric connection, the inside lower extreme of control cabinet is provided with the battery, is located be provided with treater CPU on the control cabinet lateral wall of battery top, electric connection between connector and the treater CPU is located be provided with wireless transmission module and storage module on the control cabinet inner wall of treater CPU top, wireless transmission module passes through between ad hoc network and the portable receiving terminal wireless connection.
As a further arrangement of the above scheme, the first flow detector and the second flow detector both comprise connecting pipes with wide ends and narrow middle parts, a pressure sensor is arranged on the inner wall above the connecting pipes, a swing water-blocking plate is rotatably connected to the side of the pressure sensor, a second spring is connected between the swing water-blocking plate and the pressure sensor, and the pressure sensor is electrically connected with the connector.
As a further arrangement of the above aspect, an outer surface of the pressure sensor disposed inside the adapter tube is coated with a corrosion-resistant layer.
As the further setting of above-mentioned scheme, every stand that the lower surface of machine pump seat lower surface is connected is four, and the distribution sets up in four corners of machine pump seat lower surface.
As a further arrangement of the scheme, sealing glue is filled between the temperature probe on the temperature sensor and the jack.
As a further arrangement of the scheme, a rectangular opening is formed in the front side face of the control cabinet, a cabinet door is rotatably connected into the rectangular opening through a hinge, and a cabinet lock is arranged between the cabinet door and the control cabinet.
As a further arrangement of the scheme, the upper surface of the control cabinet is provided with a plurality of groups of heat dissipation holes.
As a further arrangement of the scheme, air inlet pipes are arranged on the left side and the right side of the lower end of the rear side face of the control cabinet, and cooling fans are arranged in the air inlet pipes.
As a further arrangement of the above scheme, a horizontal mounting plate is connected to the middle of the rear side of the control cabinet through screws, and the processor CPU is arranged on the upper surface of the horizontal mounting plate.
A processing method based on the petrochemical pump group operation monitoring and fault diagnosis device comprises the following steps:
1) acquiring the temperature, the mechanical sealing performance, the vibration state, the single conveying flow and the total flow of each petrochemical pump at intervals by a temperature monitoring device, a pump body mechanical sealing monitoring device, an operation vibration monitoring device and a flow monitoring device which are arranged on each petrochemical pump;
2) the temperature monitoring device, the pump body mechanical seal monitoring device, the operation vibration monitoring device and the flow monitoring device transmit the acquired data to the CPU, and the CPU compares the acquired data with the standard data in the storage module;
3) when the acquired data is in the range of the standard data, the petrochemical pump is indicated to normally operate, and only the acquired data is stored in the storage module;
4) when the collected data exceed the range of standard data, the petrochemical pump is indicated to be abnormally operated, the processor CPU analyzes and diagnoses fault reasons according to the abnormal data, then sends the serial number and the fault reasons of the petrochemical pump with specific faults to the portable receiving terminal through the wireless transmission module, and an operator receives information through the portable receiving terminal and then goes to the site according to instructions to maintain the petrochemical pump.
Compared with the prior art, the invention has the following beneficial effects:
1) the invention discloses a petrochemical industry pump group operation monitoring and fault diagnosis system based on ad hoc network, which can monitor the temperature, mechanical sealing performance, vibration state, single conveying flow and total flow of each petrochemical industry pump in the pump group at intervals through a temperature monitoring device, a pump body mechanical sealing monitoring device, an operation vibration monitoring device and a flow monitoring device, and convey the collected data to a processor CPU, then the processor CPU can compare the collected parameter data with a stored standard value range, store the data for subsequent adjustment and reading when the parameter data are normal, the CPU can analyze in time according to the parameters when the collected parameter data exceed the standard value range, automatically diagnose the fault reason, and wirelessly transmit the analyzed result to a communication terminal carried by the operating personnel through the ad hoc network, when receiving the information, the operator can directly go to the petrochemical pump with the fault for maintenance according to the analysis result; the intelligent degree of its design of whole device is high, need not the operation personnel and regularly patrols and examines, directly carries out corresponding maintenance to it through the fault diagnosis result that receives, has reduced operation personnel's intensity of labour, has effectively guaranteed the normal steady operation of petrochemical pump crowd.
2) The temperature detection in the temperature monitoring device disclosed by the invention is directly inserted into the motor of the pump, so that the temperature of the motor during operation can be accurately monitored and collected; according to the mechanical seal monitoring device, the sealing inner cavity is arranged in the mechanical seal, the hydraulic sensor is arranged in the sealing inner cavity, when the mechanical seal is damaged, the conveyed liquid can enter the sealing inner cavity, the hydraulic sensor can feed back a signal to the converter, and the converter can convey information to the CPU in time; when the running vibration monitoring device detects the pump, the permanent magnet can move up and down in the spiral coil when the pump vibrates, current is generated through a magnetic induction principle, the generated current can be captured by the current sensor in time and conveyed to the CPU, and meanwhile, the running vibration monitoring device also has a buffering and damping effect on the running of the whole pump; the flow monitoring device can monitor the flow of the oil transportation branch pipe and the oil transportation main pipe in real time and then analyze the flow value, so that whether the oil leakage of the oil transportation pipe occurs or not is obtained; the device for monitoring each parameter of the pump has ingenious design, can accurately collect each parameter of the pump, and can ensure the accuracy of a final analysis result, so that the monitoring effect of the whole petrochemical pump group operation monitoring and fault diagnosis device is more reliable.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of the present invention;
FIG. 2 is a schematic perspective view of a pump group consisting of petrochemical pumps according to the present invention;
FIG. 3 is a schematic perspective view of a petrochemical pump and an operation vibration monitoring device according to the present invention;
FIG. 4 is a schematic view of a disassembled and assembled three-dimensional structure of the vibration monitoring device for operation according to the present invention;
FIG. 5 is a schematic view of the internal plan structure of the operational vibration monitoring apparatus of the present invention;
FIG. 6 is a schematic view of the internal plan structure of the pump body according to the present invention;
FIG. 7 is an enlarged view of the structure at A in FIG. 2;
FIG. 8 is a schematic view of the internal plan structure of the first flow detector or the second flow detector of the present invention;
FIG. 9 is a schematic perspective view of a control cabinet according to the present invention;
FIG. 10 is a schematic diagram of an internal perspective structure of the control cabinet of the present invention;
FIG. 11 is a flowchart illustrating the steps of a management method based on the above-mentioned apparatus according to the present invention.
Wherein:
1-petrochemical pump, 100-pump seat, 101-pump motor, 102-pump body, 103-pump shaft, 104-impeller, 105-mechanical sealing component, 1051-closed space, 106-oil delivery branch pipe, 107-oil delivery main pipe, 108-first flow detector, 1081-connecting pipe, 1082-pressure sensor, 1083-swing water-blocking plate, 1084-second spring and 109-second flow detector;
2-temperature monitoring device, 201-mounting block, 202-temperature sensor;
3-a pump body mechanical seal monitoring device, 301-a hydraulic sensor and 302-a converter;
4-running vibration monitoring device, 401-column, 402-sleeve, 403-permanent magnet, 404-end block, 405-first spring, 406-helical coil, 407-current sensor;
5-a flow monitoring device;
10-control cabinet, 11-connector, 12-storage battery, 13-processor CPU, 14-wireless transmission module, 15-storage module, 16-cabinet door, 17-heat dissipation hole, 18-air inlet pipe, 19-heat dissipation fan, 20-horizontal mounting plate and 21-mounting bottom plate.
Detailed Description
In order to make the technical solutions of the present application better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, and not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort shall fall within the protection scope of the present application.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention.
It should be noted that the terms "first", "second", and the like in the description of the present invention are used for convenience only to describe different components, and are not to be construed as indicating or implying any sequential relationship, relative importance, or otherwise indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may include at least one of that feature explicitly or implicitly.
The following describes the operation monitoring and fault diagnosis system of the petrochemical pump group based on the ad hoc network in detail with reference to the attached drawings 1 to 11 and embodiments.
Example 1
The embodiment 1 discloses a petrochemical engineering pump group operation monitoring and fault diagnosis system based on an ad hoc network, and the main components of the system comprise a control cabinet 10, a portable receiving terminal and a pump group consisting of a plurality of petrochemical engineering pumps 1. Each petrochemical pump 1 is provided with a temperature monitoring device 2, a pump body mechanical seal monitoring device 3, an operation vibration monitoring device 4 and a flow monitoring device 5 for monitoring the flow of the single petrochemical pump 1 and the total flow of the monitoring pump group.
Referring to fig. 2, a plurality of petrochemical pumps 1 are arranged in order in a row to form a pump group, a mounting base plate 21 is disposed below the row of petrochemical pumps 1, and an organic pump base 100 is disposed at the lower end of each petrochemical pump 1.
Referring to fig. 2, fig. 3, fig. 4 and fig. 5, the operation vibration monitoring device 4 includes columns 401 disposed on the lower surface of the pump mount 100 and sleeves 402 disposed on the mounting base plate 21 corresponding to each of the columns 401, where the columns 301 connected to the lower surface of each of the pump mounts 100 are four in the specific arrangement, and are disposed at four corners of the lower surface of the pump mount 100 in a distributed manner. A cylindrical permanent magnet 403 is connected to the lower end of each column 401, an end block 404 fitted to the sleeve 402 is connected to the lower end of the permanent magnet 403, a first spring 405 is connected to the lower end of the end block 404, and the lower end of the first spring 405 is connected to the bottom wall of the sleeve 402. A spiral coil 406 is provided inside the sleeve 402 at the same height as the permanent magnets 403, a current sensor 407 is provided on the outer surface of the sleeve 402, and both ends of the spiral coil 406 are connected to the current sensor 407. When the petrochemical pump 1 vibrates in the operation process, the permanent magnet 403 is driven to move up and down in the spiral coil 406, then the current detected by the current sensor 407 is enabled to be generated by the magnetic electricity, and the vibration amplitude can be judged according to the current.
Referring to fig. 2 and 6, the petrochemical pump 1 includes a pump motor 101, a pump body 102, a pump shaft 103, and an impeller 104, wherein an output shaft of the pump motor 101 is connected to the pump shaft 103, and an end of the pump shaft 103 extending into the pump body 102 is connected to the impeller 104. A mechanical seal assembly 105 is arranged in the pump body 102 between the pump motor 101 and the impeller 104, a closed space 1051 is arranged inside one end of the mechanical seal assembly 105 close to the impeller 104, the pump body mechanical seal monitoring device 3 comprises a hydraulic sensor 301 arranged in the closed space 1051, and a converter 302 connected with the hydraulic sensor 301 is arranged at the upper end of the pump body 102. When the petrochemical pump 1 is damaged, liquid enters the closed space 1051, the hydraulic sensor 301 is subjected to hydraulic pressure, and information is fed back through the converter 302.
Referring to fig. 3, the temperature monitoring device 2 includes a mounting block 201 and a temperature sensor 202 disposed at the upper end of the pump motor 101, the mounting block 201 is provided with an insertion hole capable of being inserted into the pump motor 101, and a temperature probe on the temperature sensor 202 extends into the pump motor 101 through the insertion hole. In addition, referring to fig. 2 and fig. 7, the liquid outlet ends of the plurality of petrochemical pumps 1 are connected with oil transportation branch pipes 106, the end parts of the plurality of oil transportation branch pipes 106 are connected with an oil transportation main pipe 107, and the flow monitoring device 5 includes a first flow detector 108 and a second flow detector 109 respectively disposed on the oil transportation branch pipes 106 and the oil transportation main pipe 107.
Referring to fig. 8, each of the first flow detector 108 and the second flow detector 109 includes a connection pipe 1081 having two wide ends and a narrow middle, a pressure sensor 1082 is disposed on an upper inner wall of the connection pipe 1081, a swing water blocking plate 1083 is rotatably connected to a side of the pressure sensor 1082, a second spring 1084 is connected between the swing water blocking plate 1083 and the pressure sensor 1082, and the pressure sensor 1082 is electrically connected to the connector 11.
Referring to fig. 9 and 10, a connector 11 electrically connected to the current sensor 307, the converter 302, the temperature sensor 202, the first flow detector 108 and the second flow detector 109 is disposed on an outer side surface of the control cabinet 10, a battery 12 is disposed at a lower end of an interior of the control cabinet 10, a processor CPU13 is disposed on a side wall of the control cabinet 10 above the battery 12, the connector 11 is electrically connected to the processor CPU13, a wireless transmission module 14 and a storage module 15 are disposed on an inner wall of the control cabinet 10 above the processor CPU13, and the wireless transmission module 14 is wirelessly connected to the portable receiving terminal through an ad hoc network.
Example 2
in the embodiment 2, the corrosion-resistant layer is coated on the outer surface of the pressure sensor 1082 arranged inside the adapter tube 1081, so that the pressure sensor 1082 which is in contact with petroleum for a long time is protected, and the service life of the pressure sensor is prolonged.
In addition, in embodiment 2, the sealant is filled between the temperature probe and the insertion hole on the temperature sensor 202, so that the pump motor 101 still has excellent waterproof performance after the temperature sensor 202 is arranged.
The control cabinet 10 in embodiment 2 has a rectangular opening formed in a front side surface thereof, a cabinet door 16 is rotatably connected to the rectangular opening through a hinge, and a cabinet lock is provided between the cabinet door 16 and the control cabinet 10. Meanwhile, a plurality of sets of heat dissipation holes 17 are formed in the upper surface of the control cabinet 10. Air inlet pipes 18 are arranged on the left side and the right side of the lower end of the rear side face of the control cabinet 10, a heat dissipation fan 19 is arranged in the air inlet pipes 18, and electronic devices inside the control cabinet 10 can be fully cooled through heat dissipation holes 17 and the heat dissipation fan 19. And when specifically setting up, be connected with horizontal mounting plate 20 through the screw in the middle of the rear surface of control cabinet 10, treater CPU13 sets up the upper surface at horizontal mounting plate 20, and cold wind that moves about from top to bottom can carry out effective heat dissipation to CPU.
The invention also discloses a processing method of the petrochemical pump group operation monitoring and fault diagnosis device, which comprises the following steps:
step 1: acquiring the temperature, the mechanical sealing performance, the vibration state, the single conveying flow and the total flow of each petrochemical pump at intervals by a temperature monitoring device, a pump body mechanical sealing monitoring device, an operation vibration monitoring device and a flow monitoring device which are arranged on each petrochemical pump;
step 2: the temperature monitoring device, the pump body mechanical seal monitoring device, the operation vibration monitoring device and the flow monitoring device transmit the acquired data to the CPU, and the CPU compares the acquired data with the standard data in the storage module;
and 3, step 3: when the acquired data is in the range of the standard data, the petrochemical pump is indicated to normally operate, and only the acquired data is stored in the storage module;
and 4, step 4: when the acquired data exceed the range of standard data, the petrochemical pump is indicated to be abnormal in operation, the processor CPU analyzes and diagnoses fault reasons according to the abnormal data, then sends the petrochemical pump serial number and the fault reasons of specific faults to the portable receiving terminal through the wireless transmission module, and an operator goes to the site to maintain the petrochemical pump according to instructions after receiving information through the portable receiving terminal.
The above description is intended to be illustrative of the preferred embodiment of the present invention and should not be taken as limiting the invention, but rather, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.
Claims (10)
1. The utility model provides a petrochemical industry pump group operation monitoring and failure diagnosis system based on from network deployment, a serial communication port, including control cabinet (10), portable receiving terminal, the pump group of constituteing by a plurality of petrochemical industry pump (1), temperature monitoring devices (2) of setting on every petrochemical industry pump (1), pump body mechanical seal monitoring devices (3) of setting on every petrochemical industry pump (1), operation vibration monitoring devices (4) of setting on every petrochemical industry pump (1), and be used for monitoring flow of single petrochemical industry pump (1) and flow monitoring devices (5) of the total flow of monitoring machine pump group.
2. The ad-hoc network-based petrochemical pump group operation monitoring and fault diagnosis system according to claim 1, wherein a plurality of the petrochemical pump (1) are arranged in a row, a mounting base plate (21) is arranged below one row of the petrochemical pump (1), the lower end of each petrochemical pump (1) is provided with an organic pump base (100), the operation vibration monitoring device (4) comprises a column (401) arranged on the lower surface of the organic pump base (100) and a sleeve (402) arranged on the mounting base plate (21) and corresponding to each column (401), the lower end of the column (401) is connected with a cylindrical permanent magnet (403), the lower end of the permanent magnet (403) is connected with an end block (404) matched with the sleeve (402), the lower end of the end block (404) is connected with a first spring (405), the lower end of the first spring (405) is connected with the bottom wall of the sleeve (402), a spiral coil (406) is arranged in the sleeve (402) which is positioned at the same height of the permanent magnet (403), a current sensor (407) is arranged on the outer surface of the sleeve (402), and two end parts of the spiral coil (406) are connected with the current sensor (407);
the petrochemical mechanical pump (1) comprises a mechanical pump motor (101), a pump body (102), a pump shaft (103) and an impeller (104), an output shaft of the mechanical pump motor (101) is connected with the pump shaft (103), the end part of the pump shaft (103) extending into the pump body (102) is connected with the impeller (104), a mechanical sealing assembly (105) is arranged in the pump body (102) between the mechanical pump motor (101) and the impeller (104), a closed space (1051) is arranged inside one end, close to the impeller (104), of the mechanical sealing assembly (105), the mechanical sealing monitoring device (3) of the pump body comprises a hydraulic sensor (301) arranged in the closed space (1051), and a converter (302) connected with the hydraulic sensor (301) is arranged at the upper end of the pump body (102);
the temperature monitoring device (2) comprises an installation block (201) and a temperature sensor (202) which are arranged at the upper end of the pump motor (101), wherein the installation block (201) is provided with a jack which can be inserted into the pump motor (101), and a temperature probe on the temperature sensor (202) extends into the pump motor (101) through the jack;
the liquid outlet ends of the petrochemical engineering pumps (1) are connected with oil delivery branch pipes (106), the end parts of the oil delivery branch pipes (106) are connected with an oil delivery main pipe (107), and the flow monitoring device (5) comprises a first flow detector (108) and a second flow detector (109) which are respectively arranged on the oil delivery branch pipes (106) and the oil delivery main pipe (107);
the external side surface of the control cabinet (10) is provided with a connector (11) electrically connected with a current sensor (307), a converter (302), a temperature sensor (202), a first flow detector (108) and a second flow detector (109), the lower end of the interior of the control cabinet (10) is provided with a storage battery (12), the side wall of the control cabinet (10) above the storage battery (12) is provided with a processor CPU (13), the connector (11) is electrically connected with the processor CPU (13), the inner wall of the control cabinet (10) above the processor CPU (13) is provided with a wireless transmission module (14) and a storage module (15), and the wireless transmission module (14) is wirelessly connected with a portable receiving terminal through an ad hoc network; first flow detector (108) and second flow detector (109) all include both ends width, middle narrow takeover (1081), the top inner wall of takeover (1081) is provided with pressure sensor (1082), is located pressure sensor (1082)'s side rotation is connected with swing and hinders water board (1083), be connected with second spring (1084) between swing and hinder water board (1083) and pressure sensor (1082), electric connection between pressure sensor (1082) and connector (11).
3. The ad-hoc network-based petrochemical pump cluster operation monitoring and fault diagnosis system according to claim 2, wherein the outer surface of the pressure sensor (1082) disposed inside the adapter tube (1081) is coated with a corrosion-resistant layer.
4. The ad-hoc network-based petrochemical pump cluster operation monitoring and fault diagnosis system according to claim 2, wherein the number of the pillars (301) connected to the lower surface of each pump base (100) is four, and the pillars are distributed at four corners of the lower surface of the pump base (100).
5. The petrochemical engineering pump group operation monitoring and fault diagnosis system based on the ad hoc network as claimed in claim 2, wherein a sealant is filled between a temperature probe on the temperature sensor (202) and the jack.
6. The petrochemical pump cluster operation monitoring and fault diagnosis system based on the ad hoc network as claimed in claim 2, wherein a rectangular opening is formed in the front side surface of the control cabinet (10), a cabinet door (16) is rotatably connected in the rectangular opening through a hinge, and a cabinet lock is arranged between the cabinet door (16) and the control cabinet (10).
7. The ad-hoc network-based petrochemical pump group operation monitoring and fault diagnosis system according to claim 6, wherein the upper surface of the control cabinet (10) is provided with a plurality of sets of heat dissipation holes (17).
8. The petrochemical engineering pump group operation monitoring and fault diagnosis system based on the ad hoc network as claimed in claim 7, wherein the left and right sides of the lower end of the rear side of the control cabinet (10) are provided with air inlet pipes (18), and a heat dissipation fan (19) is arranged in the air inlet pipe (18).
9. The petrochemical pump group operation monitoring and fault diagnosis system based on the ad hoc network as claimed in claim 2, wherein a horizontal mounting plate (20) is connected to the middle of the rear side of the control cabinet (10) through screws, and the processor CPU (13) is arranged on the upper surface of the horizontal mounting plate (20).
10. A processing method based on the petrochemical pump group operation monitoring and fault diagnosis system is characterized by comprising the following steps:
1) acquiring the temperature, the mechanical sealing performance, the vibration state, the single conveying flow and the total flow of each petrochemical pump at intervals by a temperature monitoring device, a pump body mechanical sealing monitoring device, an operation vibration monitoring device and a flow monitoring device which are arranged on each petrochemical pump;
2) the temperature monitoring device, the pump body mechanical seal monitoring device, the operation vibration monitoring device and the flow monitoring device transmit the acquired data to the CPU, and the CPU compares the acquired data with the standard data in the storage module;
3) when the acquired data is in the range of the standard data, the petrochemical pump is indicated to normally operate, and only the acquired data is stored in the storage module;
4) when the acquired data exceed the range of standard data, the petrochemical pump is indicated to be abnormal in operation, the processor CPU analyzes and diagnoses fault reasons according to the abnormal data, then sends the petrochemical pump serial number and the fault reasons of specific faults to the portable receiving terminal through the wireless transmission module, and an operator goes to the site to maintain the petrochemical pump according to instructions after receiving information through the portable receiving terminal.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210221996.3A CN114776602B (en) | 2022-03-09 | 2022-03-09 | Petrochemical machine pump group operation monitoring and fault diagnosis system and management method based on ad hoc network |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210221996.3A CN114776602B (en) | 2022-03-09 | 2022-03-09 | Petrochemical machine pump group operation monitoring and fault diagnosis system and management method based on ad hoc network |
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| CN114776602A true CN114776602A (en) | 2022-07-22 |
| CN114776602B CN114776602B (en) | 2024-04-09 |
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Cited By (1)
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| CN114776602B (en) | 2024-04-09 |
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