CN115306333B - Remote mud tank state monitoring system and control method based on Internet of things - Google Patents
Remote mud tank state monitoring system and control method based on Internet of things Download PDFInfo
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- CN115306333B CN115306333B CN202210869084.7A CN202210869084A CN115306333B CN 115306333 B CN115306333 B CN 115306333B CN 202210869084 A CN202210869084 A CN 202210869084A CN 115306333 B CN115306333 B CN 115306333B
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 53
- 238000000034 method Methods 0.000 title claims abstract description 27
- 239000007788 liquid Substances 0.000 claims abstract description 32
- 230000000007 visual effect Effects 0.000 claims abstract description 25
- 239000002002 slurry Substances 0.000 claims description 23
- OIGNJSKKLXVSLS-VWUMJDOOSA-N prednisolone Chemical compound O=C1C=C[C@]2(C)[C@H]3[C@@H](O)C[C@](C)([C@@](CC4)(O)C(=O)CO)[C@@H]4[C@@H]3CCC2=C1 OIGNJSKKLXVSLS-VWUMJDOOSA-N 0.000 claims description 18
- 230000006855 networking Effects 0.000 claims 1
- 238000005553 drilling Methods 0.000 description 8
- 230000001105 regulatory effect Effects 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 230000001276 controlling effect Effects 0.000 description 5
- 239000012530 fluid Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000012800 visualization Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/08—Controlling or monitoring pressure or flow of drilling fluid, e.g. automatic filling of boreholes, automatic control of bottom pressure
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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]
Abstract
The invention relates to a remote mud tank state monitoring system and a control method based on the Internet of things, wherein the remote mud tank state monitoring system comprises the following steps: the radar liquid level gauge is used for measuring the liquid depth and the liquid volume in the mud tank; an alarm system is arranged in the explosion-proof liquid level meter alarm box and is used for carrying out explosion-proof alarm treatment; the alarm system is provided with a central control unit for controlling the alarm process of the alarm system, the audible and visual alarm device is used for giving an alarm according to the alarm time, the timing unit is used for determining whether the control unit needs to be started and recording the continuous operation time of the mud tank, and the adjusting unit is used for monitoring the adjusting condition of the mud tank in real time; the remote monitoring module is used for remotely monitoring the operation condition of the mud tank through wireless; the battery module is used for providing power for the alarm system when power is off; therefore, the alarm time of the alarm system can be determined through the in-tank pressure of the mud tank, and the operation condition of the mud tank is remotely monitored in real time so as to improve the operation safety of the mud tank.
Description
Technical Field
The invention relates to the technical field of mud tank monitoring, in particular to a remote mud tank state monitoring system and a control method based on the Internet of things.
Background
The mud tank is an important device which is indispensable in solid control equipment, and has the main functions of storing drilling fluid mud and supplying the drilling fluid mud and supplying treated drilling fluid mud, and is mainly matched with a mud stirrer, a mud gun, a sand pump, a mud gun and a sand pump, so that the mud generated by drilling is stored in the mud tank after being treated and then supplied to a drilling machine for use, and the drilling machine is used for cooling a drill bit and accelerating the working efficiency of the drilling machine.
The existing mud tank monitoring system mainly monitors the liquid level in the tank, and considers more problems of lost circulation and purification, but does not consider very few in the design process of the monitoring system for very important safety problems.
Chinese patent CN202110812912.9 discloses an automatic tank slurry and overflow leakage monitoring system and method, comprising a circulation tank for providing slurry in a well and receiving slurry out of the well, a liquid level gauge arranged in the circulation tank for measuring the liquid level in the circulation tank; the skid-mounted device is used for integrating a plurality of devices into an integral device, the devices comprise a tank slurry pump, a two-way regulating valve and an electromagnetic flowmeter, the tank slurry pump is used for providing power for the slurry tank in the circulating tank when the slurry tank is in a well drilling well, the double regulating valve is used for controlling the discharge capacity of the slurry in the tank, and the electromagnetic flowmeter is used for monitoring the inlet flow; the water inlet of the tank slurry pump is connected with the circulating tank, the water outlet of the tank slurry pump is connected with the water inlet of the two-way regulating valve, one water outlet of the two-way regulating valve is connected with the circulating tank, and the other water outlet of the two-way regulating valve is connected with the water inlet of the measuring conduit of the electromagnetic flowmeter; the overflow prevention pipe is connected with the water outlet of the measuring conduit of the electromagnetic flowmeter, the overflow prevention pipe is connected with the circulating tank through an outlet diversion trench, an outlet flowmeter is installed on the outlet diversion trench and used for detecting an outlet flow value, and the outlet flowmeter is a non-contact flowmeter.
At present, a plurality of remote mud tank state monitoring systems and control methods based on the Internet of things exist, but the alarm time of an alarm system cannot be generally determined through the tank pressure of the mud tank, and the safety of the mud tank operation cannot be improved through real-time remote monitoring of the operation condition of the mud tank.
Disclosure of Invention
Therefore, the invention provides a remote mud tank state monitoring system and a control method based on the Internet of things, which can effectively solve the technical problem that the alarm time of an alarm system cannot be determined by the tank pressure of a mud tank in the prior art, so that the operation condition of the mud tank is remotely monitored in real time to improve the operation safety of the mud tank.
In order to achieve the above object, the present invention provides a remote mud tank status monitoring system based on internet of things, comprising:
the radar liquid level gauge is arranged on the mud tank and is used for measuring the liquid depth and the liquid volume in the mud tank;
the explosion-proof liquid level meter alarm box is connected with the radar liquid level meter and is internally provided with an alarm system for explosion-proof alarm treatment;
the system comprises an alarm system, a control unit, a timing unit, an adjusting unit and a control unit, wherein the alarm system is provided with the central control unit, the audible and visual alarm device, the timing unit, the adjusting unit and the control unit, the central control unit is respectively connected with the audible and visual alarm device, the timing unit, the adjusting unit and the control unit, the central control unit is used for controlling the alarm process of the alarm system, the audible and visual alarm device is used for giving an alarm according to the alarm time, the timing unit is used for determining whether the control unit needs to be started and recording the continuous operation time of the mud tank, the adjusting unit is used for monitoring the adjustment condition of the mud tank in real time, and the control system is used for controlling the mud tank to stop operation;
the temperature detector is arranged on the mud tank and connected with the central control unit and is used for measuring the temperature in the mud tank in real time;
the remote monitoring module is connected with the alarm system and used for remotely monitoring the operation condition of the mud tank in a wireless manner;
the battery module is connected with the explosion-proof liquid level meter alarm box and used for providing power for the alarm system when power is off;
in the operation process of the mud tank, the central control unit compares the actual tank pressure F of the mud tank with the standard pressure of the mud tank to determine the alarm time of the alarm system, the central control unit further determines the condition which cannot be determined according to the tank pressure difference delta F, the audible and visual alarm device sends out an alarm according to the alarm time to adjust the pressure safety valve, the adjusting unit monitors the adjustment condition in real time, and the timing unit compares the actual adjustment time Ts with the alarm time to determine whether to start the control unit to control the operation state of the mud tank.
Further, in the operation process of the mud tank, the central control unit compares the actual tank pressure F of the mud tank with the standard mud tank pressure to determine the alarm time of the alarm system;
the central control unit is internally provided with a mud tank standard pressure and an alarm time, wherein the standard pressure comprises a mud tank first standard pressure F1, a mud tank second standard pressure F2 and a mud tank third standard pressure F3, and F1 is more than F2 and less than F3; the alarm time comprises a first alarm time T1, a second alarm time T2 and a third alarm time T3, wherein T1 is more than T2 and more than T3 is more than 0;
if F is smaller than F1, the central control unit judges that the alarm time does not need to be determined;
if F1 is less than or equal to F2, the central control unit judges that the alarm time is T1;
if F2 is not less than F3, the central control unit judges that the alarm time is T2;
if F is more than F3, the central control unit judges that the alarm time is needed to be determined by combining the pressure difference value in the tank.
Further, when the central control unit judges that the alarm time is required to be determined by combining the tank internal pressure difference delta F, the central control unit calculates the tank internal pressure difference delta F, and when calculation is completed, the central control unit compares the tank internal pressure difference delta F with the maximum tank internal pressure difference delta Fmax to finally determine the alarm time;
if DeltaF < DeltaFmax, the central control unit judges that the alarm time is T3;
and if the delta F is not less than delta Fmax, the central control unit judges that an alarm needs to be sent immediately.
Further, when the central control unit judges that the alarm time needs to be determined by combining the difference delta F of the internal pressure of the tank, the central control unit calculates the difference delta F of the internal pressure of the tank, and the calculation formula is as follows:
△F＝(F-F3)×(F/F3)×δ；
wherein F represents the actual pressure in the mud tank, F3 represents the third standard pressure in the mud tank, delta represents the pressure difference coefficient, and 0 < delta < 1.
Further, after the central control unit determines the alarm time, the audible and visual alarm device sends an alarm according to the alarm time to adjust the pressure safety valve, the adjusting unit monitors the adjustment condition in real time and acquires the actual adjustment time Ts, and after the acquisition is completed, the central control unit compares the actual adjustment time Ts with the alarm time to determine whether to start the control unit;
if Ts is less than Ti, the central control unit judges that the control unit is not required to be started;
if Ts is more than or equal to Ti, the central control unit judges that the control unit needs to be started;
where Ti represents the i-th alarm time, and i=1, 2,3 is set.
Further, when the central control unit judges that the control unit needs to be started, the central control unit starts the control unit to stop the operation of the slurry tank which is being operated, and meanwhile, the central control unit feeds back the information of stopping the operation to the remote control module to prompt on-line monitoring personnel.
Further, when the central control unit judges that the control unit is not required to be started, the adjusting unit continuously monitors the adjusting condition in real time so that the timing unit can determine whether the control unit is started or not.
Further, the actual in-tank pressure F of the mud tank is determined by the in-tank temperature H and the single-time continuous operation time K of the mud tank, and the calculation formula is as follows:
wherein H > 0, K > 0, and beta represents a pressure calculation parameter, and 0 < beta < 10.
The invention provides a control method of a remote mud tank state monitoring system based on the Internet of things, which comprises the following steps:
step S1, starting a mud tank for operation;
step S2, the central control unit determines the actual tank pressure F of the mud tank through the tank temperature H and the single continuous operation time K of the mud tank, compares the actual tank pressure F with the standard pressure of the mud tank to determine the alarm time of the alarm system, and if the alarm time cannot be determined, the central control unit performs final determination by combining the tank pressure difference delta F;
step S3, the audible and visual alarm device gives an alarm according to the alarm time so as to be convenient for site operators to adjust the pressure safety valve, and meanwhile, the adjusting unit monitors the adjusting condition of the pressure safety valve in real time;
step S4, the timing unit compares the actual adjustment time Ts with the alarm time to determine whether to start the control unit;
and S5, if the control unit is required to be started, the central control unit starts the control unit to stop the operation of the slurry tank in operation, and if the control unit is not required to be started, the adjusting unit continues to monitor the adjusting condition in real time.
Compared with the prior art, the invention has the beneficial effects that the alarm system is provided with the central control unit, the audible and visual alarm device, the timing unit, the adjusting unit and the control unit, the central control unit compares the actual tank pressure F of the mud tank with the standard pressure of the mud tank in the operation process of the mud tank to determine the alarm time of the alarm system, the central control unit further determines the condition that the alarm system cannot be determined according to the tank pressure difference DeltaF, the audible and visual alarm device sends out an alarm according to the alarm time to adjust the pressure safety valve, the adjusting unit monitors the adjustment condition in real time, and the timing unit compares the actual adjustment time Ts with the alarm time to determine whether to start the control unit to control the operation state of the mud tank. Therefore, the alarm time can be determined through the actual pressure in the mud tank, the pressure adjusting condition is further monitored in real time, the mud tank which is not adjusted in time is automatically stopped, and the safety of the mud tank operation is effectively improved.
Furthermore, by arranging the remote monitoring module, the invention is convenient for personnel of different departments to remotely monitor the operation condition of the mud tank, can discover and process problems in time, and effectively improves the safety of the operation of the mud tank.
Particularly, the battery module is arranged, so that the alarm system can be ensured to be normally used for a period of time under the condition of power failure, the problem that monitoring is not in place due to power failure is solved, and the safety of slurry tank operation is improved.
In particular, the LED display screen is arranged, so that the liquid depth and the liquid volume in the mud tank can be displayed on the systems of all monitoring staff in real time, the remote monitoring visualization is realized, and the operation efficiency of the mud tank is improved.
Furthermore, the invention compares the actual pressure F of the mud tank with the standard pressure of the mud tank to determine the alarm time of the alarm system, so that the alarm time can be determined by the actual pressure F of the mud tank, and the safety of the mud tank operation is effectively improved.
Furthermore, the alarm time is finally determined by comparing the difference DeltaF of the pressure in the tank with the maximum difference DeltaFmax of the pressure in the tank, so that the alarm time can be determined by the actual pressure in the slurry tank, the pressure regulation condition is further monitored in real time, the slurry tank which is not regulated in time is automatically stopped, and the safety of the slurry tank operation is effectively improved.
Furthermore, the invention compares the actual adjusting time Ts with the alarm time to determine whether to start the control unit, thereby being capable of determining the pressure adjusting condition of the mud tank and automatically stopping the operation of the mud tank which is not adjusted in time, and effectively improving the safety of the operation of the mud tank.
Drawings
Fig. 1 is a schematic structural diagram of a remote mud tank state monitoring system based on the internet of things according to an embodiment of the present invention;
fig. 2 is a flow chart of a control method of a remote mud tank state monitoring system based on the internet of things according to an embodiment of the present invention.
The figure indicates: 1. a radar level gauge; 2. an explosion-proof liquid level meter alarm box; 21. an alarm system; 211. a central control unit; 212. an audible and visual alarm device; 213. a timing unit; 214. an adjusting unit; 215. a control unit; 216. an LED display screen; 3. a temperature detector; 4. a remote monitoring module; 5. and a battery module.
Detailed Description
In order that the objects and advantages of the invention will become more apparent, the invention will be further described with reference to the following examples; it should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are merely for explaining the technical principles of the present invention, and are not intended to limit the scope of the present invention.
It should be noted that, in the description of the present invention, terms such as "upper," "lower," "left," "right," "inner," "outer," and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the apparatus or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to the specific circumstances.
Referring to fig. 1 and fig. 2, fig. 1 is a schematic structural diagram of a remote mud tank status monitoring system based on the internet of things according to an embodiment of the present invention, and fig. 2 is a flow chart of a control method of the remote mud tank status monitoring system based on the internet of things according to an embodiment of the present invention. The invention provides a remote mud tank state monitoring system based on the Internet of things, which comprises the following steps:
the radar liquid level gauge 1 is arranged on the mud tank and is used for measuring the liquid depth and the liquid volume in the mud tank;
an explosion-proof liquid level meter alarm box 2 which is connected with the radar liquid level meter 1 and is internally provided with an alarm system 21 for explosion-proof alarm treatment;
the alarm system 21 is provided with a central control unit 211, an audible and visual alarm device 212, a timing unit 213, an adjusting unit 214 and a control unit 215, wherein the central control unit 211 is respectively connected with the audible and visual alarm device 212, the timing unit 213, the adjusting unit 214 and the control unit 215, the central control unit 211 is used for controlling the alarm process of the alarm system 21, the audible and visual alarm device 212 is used for giving an alarm according to the alarm time, the timing unit 213 is used for determining whether the control unit 215 needs to be started and recording the continuous operation time of the mud tank, the adjusting unit 214 is used for monitoring the adjustment condition of the mud tank in real time, and the control system is used for controlling the stop operation of the mud tank; in this embodiment, the alarm system 21 may be modified in production to be compatible by the respective manufacturer. A PLC control board is provided in the central control unit 211.
The alarm system 21 is also provided with an LED display screen 216 which is connected with the radar level gauge 1 and used for displaying the liquid depth and the liquid volume in the mud tank measured by the radar level gauge 1;
the temperature detector 3 is arranged on the mud tank and connected with the central control unit 211 for measuring the temperature in the mud tank in real time;
a remote monitoring module 4 connected with the alarm system 21 for remotely monitoring the operation condition of the mud tank by wireless; in this embodiment, the remote monitoring module includes a mobile phone and a computer.
A battery module 5 connected with the explosion-proof liquid level meter alarm box 2 for providing power for the alarm system 21 when power is off; in the present embodiment, the power supply period of the battery module 5 is not less than 2 hours.
A pressure relief valve (not shown) disposed on the mud tank for pressure regulation within the tank;
in the operation process of the mud tank, the central control unit 211 compares the actual tank pressure F of the mud tank with the standard pressure of the mud tank to determine the alarm time of the alarm system 21, the central control unit 211 further determines the undetermined condition according to the difference delta F of the tank pressure, the audible and visual alarm device 212 sends out an alarm according to the alarm time to adjust the pressure safety valve, the adjusting unit 214 monitors the adjusting condition in real time, and the timing unit 213 compares the actual adjusting time Ts with the alarm time to determine whether to start the control unit 215 to control the operation state of the mud tank.
Specifically, the invention sets the alarm system 21, which is provided with the central control unit 211, the audible and visual alarm device 212, the timing unit 213, the adjusting unit 214 and the control unit 215, during the operation of the mud tank, the central control unit 211 compares the actual tank pressure F of the mud tank with the standard pressure of the mud tank to determine the alarm time of the alarm system 21, the central control unit 211 further determines the condition that the alarm system cannot be determined according to the tank pressure difference DeltaF, the audible and visual alarm device 212 sends an alarm according to the alarm time to adjust the pressure safety valve, the adjusting unit 214 monitors the adjusting condition in real time, and the timing unit 213 compares the actual adjusting time Ts with the alarm time to determine whether to start the control unit 215 to control the operation state of the mud tank. Therefore, the alarm time can be determined through the actual pressure in the mud tank, the pressure adjusting condition is further monitored in real time, the mud tank which is not adjusted in time is automatically stopped, and the safety of the mud tank operation is effectively improved.
Specifically, by arranging the remote monitoring module, the invention is convenient for personnel of different departments to remotely monitor the operation condition of the mud tank, can discover and process problems in time, and effectively improves the safety of the operation of the mud tank.
Specifically, the battery module 5 is arranged, so that the alarm system 21 can be ensured to be normally used for a period of time under the condition of power failure, the problem that monitoring is not in place due to power failure is reduced, and the safety of slurry tank operation is improved.
Specifically, the LED display screen 216 is arranged, so that the liquid depth and the liquid volume in the mud tank can be displayed on the systems of all the monitoring staff in real time, the remote monitoring visualization is realized, and the operation efficiency of the mud tank is improved.
Specifically, during operation of the mud tank, the central control unit 211 compares the actual tank pressure F of the mud tank with the standard mud tank pressure to determine an alarm time of the alarm system 21;
the central control unit 211 is internally provided with a mud tank standard pressure and an alarm time, wherein the alarm time comprises a mud tank first standard pressure F1, a mud tank second standard pressure F2 and a mud tank third standard pressure F3, and F1 is more than F2 and less than F3; the alarm time comprises a first alarm time T1, a second alarm time T2 and a third alarm time T3, wherein T1 is more than T2 and more than T3 is more than 0;
if F < F1, the central control unit 211 judges that the alarm time does not need to be determined;
if F1 is less than or equal to F2, the central control unit 211 judges that the alarm time is T1;
if F2 is not less than F3, the central control unit 211 judges that the alarm time is T2;
if F > F3, the central control unit 211 judges that the alarm time needs to be determined by combining the pressure difference value in the tank.
In this embodiment, the central control unit 211 determines that it is not necessary to determine that the alarm time indicates that the pressure in the tank is small, and it is not necessary to consider the occurrence of safety problems such as explosion, which may be caused by excessive pressure, so that normal operation can be continued. The alarm time Ti indicates that an alarm is to be given when Ti is elapsed again, i=1, 2,3.
Specifically, the invention compares the actual pressure F of the mud tank with the standard pressure of the mud tank to determine the alarm time of the alarm system 21, so that the alarm time can be determined by the actual pressure of the mud tank, and the safety of the mud tank operation is effectively improved.
Specifically, when the central control unit 211 determines that the alarm time needs to be determined in combination with the in-tank pressure difference Δf, the central control unit 211 calculates the in-tank pressure difference Δf, and when the calculation is completed, the central control unit 211 compares the in-tank pressure difference Δf with the maximum in-tank pressure difference Δfmax to finally determine the alarm time;
if Δf < Δfmax, the central control unit 211 determines that the alarm time is T3;
if Δf is equal to or greater than Δfmax, the central control unit 211 determines that an alarm needs to be issued immediately.
In this embodiment, when the central control unit 211 determines that an alarm needs to be sent immediately, the central control unit 211 starts the audible and visual alarm 212 to perform alarm processing. The alarm processing comprises the steps of sending out alarm sound and normally lighting an alarm indicator lamp, and the alarm sound can be set by oneself.
Specifically, the alarm time is finally determined by comparing the difference DeltaF of the pressure in the tank with the maximum difference DeltaFmax of the pressure in the tank, so that the alarm time can be determined by the actual pressure in the slurry tank, the pressure regulation condition is further monitored in real time, the slurry tank which is not regulated in time is automatically stopped, and the safety of the slurry tank operation is effectively improved.
Specifically, when the central control unit 211 determines that the alarm time needs to be determined in combination with the in-tank pressure difference Δf, the central control unit 211 calculates the in-tank pressure difference Δf according to the following calculation formula:
△F＝(F-F3)×(F/F3)×δ；
wherein F represents the actual pressure in the mud tank, F3 represents the third standard pressure in the mud tank, delta represents the pressure difference coefficient, and 0 < delta < 1.
In this embodiment, the determination of the pressure difference coefficient δ aims to improve the accuracy of the calculation.
Specifically, after the central control unit 211 determines the alarm time, the audible and visual alarm device 212 sends an alarm according to the alarm time to adjust the pressure safety valve, the adjusting unit 214 monitors the adjustment condition in real time and obtains the actual adjustment time Ts, and after the obtaining is completed, the central control unit 211 compares the actual adjustment time Ts with the alarm time to determine whether to start the control unit 215;
if Ts < Ti, the central control unit 211 determines that the control unit 215 is not required to be started;
if Ts is greater than or equal to Ti, the central control unit 211 judges that the control unit 215 needs to be started;
where Ti represents the i-th alarm time, and i=1, 2,3 is set.
Specifically, the actual adjustment time Ts is compared with the alarm time to determine whether to start the control unit 215, so that the pressure adjustment condition of the mud tank can be determined, the mud tank which is not adjusted in time can be automatically stopped, and the safety of the mud tank operation is effectively improved.
Specifically, when the central control unit 211 determines that the control unit 215 needs to be started, the central control unit 211 starts the control unit 215 to perform a stopping operation process on the slurry tank being operated, and meanwhile, the central control unit 211 feeds back the stopping operation process information to the remote control module to prompt the on-line monitoring personnel.
In this embodiment, the on-line monitoring personnel is prompted to find out and process the problem in time, so that the operation efficiency can be improved.
Specifically, when the central control unit 211 determines that the control unit 215 is not required to be started, the adjusting unit 214 continues to monitor the adjustment in real time so that the timing unit 213 determines whether to start the control unit 215.
Specifically, the actual in-tank pressure F of the mud tank is determined by the in-tank temperature H and the single-time continuous operation time K of the mud tank, and the calculation formula is as follows:
wherein H > 0, K > 0, and beta represents a pressure calculation parameter, and 0 < beta < 10.
In the present embodiment, the setting of the pressure calculation parameter β aims to improve the accuracy of calculation. The temperature H in the tank is measured by a temperature detector 3; the mud tank single duration K is determined by the timing unit 213.
Specifically, a control method of a remote mud tank state monitoring system based on the Internet of things comprises the following steps:
step S1, starting a mud tank for operation;
step S2, the central control unit 211 determines the actual tank pressure F of the mud tank through the tank temperature H and the single continuous operation time K of the mud tank, compares the actual tank pressure F with the standard pressure of the mud tank to determine the alarm time of the alarm system 21, and if the alarm time cannot be determined, the central control unit 211 performs final determination by combining the tank pressure difference delta F;
step S3, the audible and visual alarm device 212 sends out an alarm according to the alarm time so as to be convenient for site operators to adjust the pressure safety valve, and meanwhile, the adjusting unit 214 monitors the adjusting condition of the pressure safety valve in real time;
step S4, the timer unit 213 compares the actual adjustment time Ts with the alarm time to determine whether to activate the control unit 215;
in step S5, if the control unit 215 needs to be started, the central control unit 211 starts the control unit 215 to stop the operation of the slurry tank being operated, and if the control unit 215 does not need to be started, the adjusting unit 214 continues to monitor the adjustment condition in real time.
Thus far, the technical solution of the present invention has been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of protection of the present invention is not limited to these specific embodiments. Equivalent modifications and substitutions for related technical features may be made by those skilled in the art without departing from the principles of the present invention, and such modifications and substitutions will be within the scope of the present invention.
Claims (6)
1. Remote mud jar state monitoring system based on thing networking, characterized by, include:
the radar liquid level gauge is arranged on the mud tank and is used for measuring the liquid depth and the liquid volume in the mud tank;
the explosion-proof liquid level meter alarm box is connected with the radar liquid level meter and is internally provided with an alarm system for explosion-proof alarm treatment;
the alarm system is provided with a central control unit, an audible and visual alarm device, a timing unit, an adjusting unit and a control unit, wherein the central control unit is respectively connected with the audible and visual alarm device, the timing unit, the adjusting unit and the control unit, the central control unit is used for controlling the alarm process of the alarm system, the audible and visual alarm device is used for giving an alarm according to the alarm time, the timing unit is used for determining whether the control unit needs to be started and recording the continuous operation time of the mud tank, the adjusting unit is used for monitoring the adjustment condition of the mud tank in real time, and the control unit is used for controlling the mud tank to stop operation;
the temperature detector is arranged on the mud tank and connected with the central control unit and is used for measuring the temperature in the mud tank in real time;
the remote monitoring module is connected with the alarm system and used for remotely monitoring the operation condition of the mud tank in a wireless manner;
the battery module is connected with the explosion-proof liquid level meter alarm box and used for providing power for the alarm system when power is off;
in the operation process of the mud tank, the central control unit compares the actual tank pressure F of the mud tank with the standard pressure of the mud tank to determine the alarm time of the alarm system, the central control unit further determines the condition which cannot be determined according to the tank pressure difference delta F, the audible and visual alarm device sends out an alarm according to the alarm time to adjust the pressure safety valve, the adjusting unit monitors the adjustment condition in real time, and the timing unit compares the actual adjustment time Ts with the alarm time to determine whether to start the control unit to control the operation state of the mud tank;
in the operation process of the mud tank, the central control unit compares the actual tank pressure F of the mud tank with the standard pressure of the mud tank to determine the alarm time of the alarm system;
the central control unit is internally provided with a mud tank standard pressure and an alarm time, wherein the mud tank standard pressure comprises a mud tank first standard pressure F1, a mud tank second standard pressure F2 and a mud tank third standard pressure F3, and F1 is more than F2 and less than F3; the alarm time comprises a first alarm time T1, a second alarm time T2 and a third alarm time T3, wherein T1 is more than T2 and more than T3 is more than 0;
if F is smaller than F1, the central control unit judges that the alarm time does not need to be determined;
if F1 is less than or equal to F2, the central control unit judges that the alarm time is T1;
if F2 is not less than F3, the central control unit judges that the alarm time is T2;
if F is more than F3, the central control unit judges that the alarm time is required to be determined by combining the pressure difference value in the tank;
when the central control unit judges that the alarm time is required to be determined by combining the tank internal pressure difference delta F, the central control unit calculates the tank internal pressure difference delta F, and when calculation is completed, the central control unit compares the tank internal pressure difference delta F with the maximum tank internal pressure difference delta Fmax to finally determine the alarm time;
if DeltaF < DeltaFmax, the central control unit judges that the alarm time is T3;
if the delta F is more than or equal to delta Fmax, the central control unit judges that an alarm is required to be sent immediately;
when the central control unit judges that the alarm time is required to be determined by combining the tank internal pressure difference delta F, the central control unit calculates the tank internal pressure difference delta F, and the calculation formula is as follows:
△F＝(F-F3)×(F/F3)×δ；
wherein F represents the actual pressure in the mud tank, F3 represents the third standard pressure in the mud tank, delta represents the pressure difference coefficient, and 0 < delta < 1.
2. The remote mud tank state monitoring system based on the internet of things according to claim 1, wherein after the central control unit determines the alarm time, the audible and visual alarm device gives an alarm according to the alarm time to adjust the pressure safety valve, the adjusting unit monitors the adjustment condition in real time and acquires the actual adjustment time Ts, and after the acquisition is completed, the central control unit compares the actual adjustment time Ts with the alarm time to determine whether to start the control unit;
if Ts is less than Ti, the central control unit judges that the control unit is not required to be started;
if Ts is more than or equal to Ti, the central control unit judges that the control unit needs to be started;
where Ti represents the i-th alarm time, and i=1, 2,3 is set.
3. The remote mud tank state monitoring system based on the internet of things according to claim 2, wherein when the central control unit judges that the control unit needs to be started, the central control unit starts the control unit to stop working treatment on the mud tank being worked, and meanwhile, the central control unit feeds back the information of stopping working treatment to the remote control module to prompt on-line monitoring personnel.
4. The remote mud tank status monitoring system based on the internet of things according to claim 2, wherein when the central control unit determines that the control unit is not required to be started, the adjusting unit continuously monitors the adjustment condition in real time so that the timing unit determines whether to start the control unit.
5. The remote mud tank state monitoring system based on the internet of things according to claim 1, wherein the actual tank internal pressure F of the mud tank is determined by the tank internal temperature H and the single continuous operation time K of the mud tank, and the calculation formula is as follows:
wherein H > 0, K > 0, and beta represents a pressure calculation parameter, and 0 < beta < 10.
6. The control method of the remote mud tank state monitoring system based on the internet of things according to claim 5, comprising:
step S1, starting a mud tank for operation;
step S2, the central control unit determines the actual tank pressure F of the mud tank through the tank temperature H and the single continuous operation time K of the mud tank, compares the actual tank pressure F with the standard pressure of the mud tank to determine the alarm time of the alarm system, and if the alarm time cannot be determined, the central control unit performs final determination by combining the tank pressure difference delta F;
step S3, the audible and visual alarm device gives an alarm according to the alarm time so as to be convenient for site operators to adjust the pressure safety valve, and meanwhile, the adjusting unit monitors the adjusting condition of the pressure safety valve in real time;
step S4, the timing unit compares the actual adjustment time Ts with the alarm time to determine whether to start the control unit;
and S5, if the control unit is required to be started, the central control unit starts the control unit to stop the operation of the slurry tank in operation, and if the control unit is not required to be started, the adjusting unit continues to monitor the adjusting condition in real time.
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