CN116404945A - Explosion-proof frequency conversion all-in-one driven drilling pump control system - Google Patents
Explosion-proof frequency conversion all-in-one driven drilling pump control system Download PDFInfo
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- CN116404945A CN116404945A CN202111610936.2A CN202111610936A CN116404945A CN 116404945 A CN116404945 A CN 116404945A CN 202111610936 A CN202111610936 A CN 202111610936A CN 116404945 A CN116404945 A CN 116404945A
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- explosion
- pump
- control
- control system
- frequency conversion
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- 238000005553 drilling Methods 0.000 title claims abstract description 73
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 58
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 11
- 238000004891 communication Methods 0.000 claims abstract description 7
- 230000008878 coupling Effects 0.000 claims abstract description 4
- 238000010168 coupling process Methods 0.000 claims abstract description 4
- 238000005859 coupling reaction Methods 0.000 claims abstract description 4
- 238000011010 flushing procedure Methods 0.000 claims description 17
- 238000004880 explosion Methods 0.000 claims description 7
- 230000001276 controlling effect Effects 0.000 claims 1
- 230000001105 regulatory effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
- H02P27/04—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
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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
- F04B47/00—Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/08—Structural association with bearings
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
-
- 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
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Abstract
The invention discloses a drilling pump control system driven by an explosion-proof frequency conversion integrated machine, which comprises an explosion-proof frequency conversion integrated machine arranged in a pry body, wherein the explosion-proof frequency conversion integrated machine comprises a motor, a frequency conversion driving device and a control system which are integrated at the upper part of the pry body, the motor is connected with an input shaft of a drilling pump and a speed reducer through a coupling, the speed reducer is positioned at one side of the motor, and the drilling pump is positioned at the bottom of the motor; the variable frequency driving device is connected to a power supply through an external power cable, and a control system communication control cable is connected with a pump station. The invention has small volume and convenient structure, solves the problems of large wiring debugging workload, inconvenient moving and transportation, large power cable power loss, long driving line and harmonic interference on other instrument data and the like of the conventional drilling pump control system, and realizes the mechanical and electrical integrated control of the drilling pump; thereby improving the working efficiency of the drilling pump.
Description
Technical Field
The invention belongs to the technical field of petroleum machinery manufacturing, and particularly relates to a drilling pump control system driven by an explosion-proof frequency conversion integrated machine.
Background
The drilling pump of the petroleum drilling machine is an important device of a drilling machine circulation system, and the drilling pump conveys high-pressure drilling fluid to the bottom of a well through a circulation manifold and is used for the functions of cooling a drill bit, cleaning the bottom of the well, breaking rock, carrying well scraps, balancing bottom pressure and the like, wherein the common power range is 800hp-3000hp, and the current range is 800A-2800A. The drilling pump mainly uses an alternating-current variable-frequency motor as power, uses a frequency converter in a variable-frequency house as a driving device, and connects the motor with the frequency converter through a cable; the system needs to be provided with a frequency conversion room alone to install the frequency converter, and needs to connect power and control cables between the frequency converter and the motor, so that the problems of large wiring debugging workload, large power loss of the power cable, possibility of harmonic wave generation due to overlong driving lines and interference with other instrument data exist in the conventional drilling pump control system, and the problems of inconvenient transportation, working efficiency and maintenance need to be further optimized are comprehensively solved.
Disclosure of Invention
The invention aims to provide an explosion-proof frequency conversion integrated machine driven drilling pump control system, which solves the problems of inconvenient transportation, working efficiency and maintenance to be further optimized of the existing drilling pump control system.
The technical proposal adopted by the invention is that,
the drilling pump control system driven by the explosion-proof frequency conversion integrated machine comprises the explosion-proof frequency conversion integrated machine arranged in the skid body, wherein the explosion-proof frequency conversion integrated machine integrates a motor, a frequency conversion driving device and a control system into a whole, the motor is connected with the input end of a speed reducer through a coupling, the output end of the speed reducer is connected with the input shaft of the drilling pump, and the explosion-proof frequency conversion integrated machine, the speed reducer and the drilling pump are arranged in the skid body; the variable frequency driving device is connected to a power supply through an external power cable, and the control system is connected with a pump station through a communication control cable; the pump station is used for sending a control command to the control system, the control system transmits a control word to the control variable frequency driving device according to the control command and a preset program, and the control variable frequency driving device controls the operation and the stop of the drilling pump through the control motor according to the control word.
The invention is also characterized in that;
the pump station sends a control instruction to the control system through a pump panel of the pump station, and a pump flushing meter, a motor tachometer, a drilling pump running indicator lamp, a system fault indicator lamp, a control mode selection knob, an explosion-proof frequency conversion integrated machine start-stop knob, a pump flushing given hand wheel, a fault reset button, an emergency stop button and a touch screen are arranged on the pump panel of the pump station.
The pump station is provided with two modes of touch screen operation and control panel operation, and the control mode selection can be carried out through a control mode selection knob; wherein,,
when the control mode selection knob is selected as the control panel operation mode, the starting and stopping knob of the anti-explosion frequency conversion integrated machine is used for starting and stopping the anti-explosion frequency conversion integrated machine, the pump flushing given hand wheel is used for adjusting the rotating speed of the anti-explosion frequency conversion integrated machine, the pump flushing table is used for displaying the actual flushing value of the current drilling pump, the motor tachometer is used for displaying the actual rotating speed value of the current motor, when the drilling pump running indicator lamp is lighted, the normal running of the drilling pump is indicated, and when the system fault indicator lamp is lighted, the system is in a fault state;
when the control mode selection knob is selected as a touch screen operation mode, the touch screen performs operations of starting, stopping, rotating speed adjusting, rotating speed displaying, drilling pump flushing and running state displaying of the explosion-proof frequency conversion integrated machine;
when the system fault is relieved, the fault reset button is pressed to realize fault reset, and when the emergency stop button is pressed, the emergency stop of the explosion-proof frequency conversion integrated machine is realized.
The rated power of the drilling pump is 800hp-3000hp.
The power supply is an external power supply.
The pump station is a remote control station, is connected with the control system through a communication control cable, and sends a control instruction to the control system through a control mode selection knob and a touch screen, so that the remote control of the explosion-proof frequency conversion integrated machine is realized.
The control system is used for controlling the variable frequency drive device so as to control the motor.
The drilling pump control system driven by the explosion-proof frequency conversion integrated machine has the following beneficial effects:
the explosion-proof frequency conversion integrated machine has the advantages that the characteristics that the current collector, the frequency conversion driving device and the control function are integrated are utilized, the configuration of an independent frequency conversion room and a driving cable is eliminated, the installation modules and driving circuits are reduced, and compared with a conventional drilling pump control system, the explosion-proof frequency conversion integrated machine has the advantages of low cost, small volume, light weight and simple structure;
the system changes the driving mode of the traditional frequency converter and motor, realizes the electromechanical integrated control of the drilling pump, and improves the working efficiency of the drilling pump;
the system is suitable for the oil rig drilling pump driven by a single explosion-proof frequency conversion integrated machine and a double explosion-proof frequency conversion integrated machine.
Drawings
FIG. 1 is a schematic diagram of a drilling pump control system driven by an explosion-proof variable frequency integrated machine of the present invention;
FIG. 2 is a schematic diagram of a pump floor panel of the drilling pump control system driven by the explosion-proof variable frequency integrated machine of the invention.
In the figure: 1. the motor, 2, the variable frequency driving device, 3, the control system, 4, the external power cable, 5, the communication control cable; 6. the system comprises a drilling pump, a pump driving platform, a drilling pump pry body, a speed reducer, a pump flushing meter, a motor tachometer, a drilling pump running indicator, a system fault indicator, a control mode selection knob, an explosion-proof frequency conversion integrated machine start-stop knob, a pump flushing given hand wheel, a fault reset button, a sudden stop button, a touch screen and a pump driving panel.
Detailed Description
The explosion-proof frequency conversion all-in-one machine driven drilling pump control system of the invention is further described in detail below with reference to the accompanying drawings and the detailed description.
As shown in fig. 1 and 2, the drilling pump control system driven by the explosion-proof frequency conversion integrated machine;
the explosion-proof frequency conversion all-in-one is installed in the drilling pump sled body 8, and the body integration at explosion-proof frequency conversion all-in-one has motor 1, frequency conversion drive arrangement 2 and control system 3, and the shaft coupling of explosion-proof frequency conversion all-in-one is connected with the input shaft of drilling pump 6 and speed reducer 9, and external power cable 4 directly inserts the frequency conversion drive arrangement 2 of explosion-proof frequency conversion all-in-one, and control system 3 passes through communication control cable 5 with pump station 7 and is connected.
The pump stage 7 sends a control instruction to the control system 3 through a pump stage panel 20, and a pump flushing meter 10, a motor tachometer 11, a drilling pump running indicator lamp 12, a system fault indicator lamp 13, a control mode selection knob 14, an explosion-proof frequency conversion integrated machine start-stop knob 15, a pump flushing given hand wheel 16, a fault reset button 17, an emergency stop button 18 and a touch screen 19 are arranged on the pump stage panel 20.
The pump jack 7 is provided with a touch screen operation mode and a control panel operation mode, the control mode selection knob 14 can be used for selecting the control mode, when the control mode selection knob 14 is selected as the control panel operation mode, the explosion-proof frequency conversion integrated machine start-stop knob 15 can be used for starting and stopping the explosion-proof frequency conversion integrated machine, the pump jack given hand wheel 16 can be used for adjusting the rotating speed of the explosion-proof frequency conversion integrated machine, thereby the adjustment of drilling pump jack is realized, the pump jack panel 20 is provided with the pump jack table 10 for displaying the current actual drilling pump punching value, the motor tachometer 11 is used for displaying the current actual rotating speed value of the motor 1, when the drilling pump operation indicator lamp 12 is lighted, the normal operation of the drilling pump is indicated, and when the system fault indicator lamp 13 is lighted, the system is indicated to be in a fault state. When the control mode selection knob 14 is selected as the touch screen operation mode, operations such as starting, stopping, rotating speed adjustment, rotating speed display, drilling pump flushing, running state display and the like of the explosion-proof frequency conversion integrated machine can be performed through the touch screen 19. When the system fault is relieved, the fault reset button 17 can be pressed to realize the fault reset function, and when the emergency stop button 18 is pressed, the emergency stop of the explosion-proof frequency conversion integrated machine can be realized.
The working process and steps of the drilling pump control system driven by the explosion-proof frequency conversion integrated machine are as follows:
the first step: the control mode selection knob 14 is operated on the console pump panel 20 to perform control mode selection, and then the explosion-proof frequency conversion integrated machine is started.
And a second step of: the control system 3 transmits a control command to the variable frequency driving device 2 according to a preset program by a touch screen 19 on a pump panel 20 of the console or a start-stop knob 15 of the explosion-proof variable frequency integrated machine and a pump stroke given hand wheel 16 to start driving the motor 1 to rotate.
And a third step of: the motor 1 rotates to drive the speed reducer 9 so as to drive the drilling pump 6 to run, thereby achieving the function of controlling the drilling pump 6 and meeting the drilling operation requirement.
The invention is suitable for drilling pumps with different specifications and rated power of 800hp-3000hp, the system cancels the configuration of an independent frequency conversion room and a driving cable, reduces the installation module and the driving circuit, has lower cost, small volume, light weight and simple structure compared with the conventional drilling pump control system, changes the driving mode of the conventional frequency converter and a motor, solves the problems of larger wiring debugging workload, inconvenient moving and transportation, larger power loss of the power cable, overlong driving circuit, harmonic interference on other instrument data and the like of the conventional drilling pump control system, realizes the mechanical and electrical integrated control of the drilling pump, and improves the working efficiency of the drilling pump.
Claims (7)
1. The drilling pump control system driven by the explosion-proof frequency conversion integrated machine is characterized by comprising the explosion-proof frequency conversion integrated machine arranged in a prying body (8), wherein the explosion-proof frequency conversion integrated machine integrates a motor (1), a frequency conversion driving device (2) and a control system (3), the motor (1) is connected with the input end of a speed reducer (9) through a coupling, the output end of the speed reducer (9) is connected with the input shaft of a drilling pump (6), and the explosion-proof frequency conversion integrated machine, the speed reducer (9) and the drilling pump (6) are arranged on the prying body (8); the variable frequency driving device (2) is connected to a power supply through an external power cable (4), and the control system (3) is connected with a pump station (7) through a communication control cable (5); the pump station (7) is used for sending a control instruction to the control system (3), the control system (3) transmits a control word to the variable frequency driving device (2) according to the control instruction and a preset program, and the variable frequency driving device (2) controls the operation and stop of the drilling pump (6) through the control motor (1) according to the control word.
2. The explosion-proof variable frequency all-in-one driven drilling pump control system according to claim 1, wherein: the pump control system is characterized in that the pump control platform (7) sends a control instruction to the control system (3) through a pump control panel (20), and a pump flushing meter (10), a motor tachometer (11), a drilling pump running indicator lamp (12), a system fault indicator lamp (13), a control mode selection knob (14), an explosion-proof frequency conversion integrated machine start-stop knob (15), a pump flushing given hand wheel (16), a fault reset button (17), an emergency stop button (18) and a touch screen (19) are arranged on the pump control panel (20).
3. The explosion-proof variable frequency all-in-one driven drilling pump control system according to claim 2, wherein: the pump station (7) is provided with two modes of touch screen operation and control panel operation, and the control mode selection knob (14) can be used for selecting the control mode through the control mode; wherein,,
when the control mode selection knob (14) is selected as a control panel operation mode, the starting and stopping knob (15) of the anti-explosion frequency conversion integrated machine is used for starting and stopping the anti-explosion frequency conversion integrated machine, the rotation speed of the anti-explosion frequency conversion integrated machine is regulated by the pump flushing given hand wheel (16), the actual flushing value of the current drilling pump is displayed by the pump flushing meter (10), the actual rotation speed value of the current motor (1) is displayed by the motor rotation speed meter (11), the normal operation of the drilling pump is indicated when the drilling pump operation indicator lamp (12) is lighted, and the fault state of the system is indicated when the system fault indicator lamp (13) is lighted;
when the control mode selection knob (14) is selected as a touch screen operation mode, the touch screen (19) performs operations of starting, stopping, rotating speed adjusting, rotating speed displaying, drilling pump flushing and running state displaying of the anti-explosion frequency conversion integrated machine;
when the system fault is relieved, the fault reset button (17) is pressed to realize fault reset, and when the emergency stop button (18) is pressed, the emergency stop of the explosion-proof frequency conversion integrated machine is realized.
4. The explosion-proof variable frequency all-in-one driven drilling pump control system according to claim 1, wherein: the rated power of the drilling pump (6) is 800hp-3000hp.
5. The explosion-proof variable frequency all-in-one driven drilling pump control system according to claim 1, wherein: the power supply is an external power supply.
6. The explosion-proof variable frequency all-in-one driven drilling pump control system according to claim 2, wherein: the pump station (7) is a remote control station, is connected with the control system (3) through a communication control cable, and sends a control instruction to the control system (3) through the control mode selection knob (14) and the touch screen (19) so as to realize the remote control of the explosion-proof frequency conversion all-in-one machine.
7. The explosion-proof variable frequency all-in-one driven drilling pump control system according to claim 1, wherein: the control system (3) is used for controlling the variable frequency drive (2) so as to control the motor (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111610936.2A CN116404945A (en) | 2021-12-27 | 2021-12-27 | Explosion-proof frequency conversion all-in-one driven drilling pump control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111610936.2A CN116404945A (en) | 2021-12-27 | 2021-12-27 | Explosion-proof frequency conversion all-in-one driven drilling pump control system |
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| CN116404945A true CN116404945A (en) | 2023-07-07 |
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| CN202111610936.2A Pending CN116404945A (en) | 2021-12-27 | 2021-12-27 | Explosion-proof frequency conversion all-in-one driven drilling pump control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116972914A (en) * | 2023-09-22 | 2023-10-31 | 华夏天信智能物联股份有限公司 | Intelligent testing method and system for frequency conversion integrated machine |
-
2021
- 2021-12-27 CN CN202111610936.2A patent/CN116404945A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116972914A (en) * | 2023-09-22 | 2023-10-31 | 华夏天信智能物联股份有限公司 | Intelligent testing method and system for frequency conversion integrated machine |
| CN116972914B (en) * | 2023-09-22 | 2023-12-26 | 华夏天信智能物联股份有限公司 | Intelligent testing method and system for frequency conversion integrated machine |
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