CN117147379A - Intelligent viscosity monitoring method and system thereof - Google Patents
Intelligent viscosity monitoring method and system thereof Download PDFInfo
- Publication number
- CN117147379A CN117147379A CN202311005899.1A CN202311005899A CN117147379A CN 117147379 A CN117147379 A CN 117147379A CN 202311005899 A CN202311005899 A CN 202311005899A CN 117147379 A CN117147379 A CN 117147379A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims abstract description 28
- 239000007788 liquid Substances 0.000 claims abstract description 31
- 238000004140 cleaning Methods 0.000 claims description 32
- 239000002002 slurry Substances 0.000 claims description 22
- 238000010926 purge Methods 0.000 claims description 13
- 238000001514 detection method Methods 0.000 claims description 10
- 238000004891 communication Methods 0.000 claims description 8
- 238000005259 measurement Methods 0.000 claims description 8
- 230000013011 mating Effects 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 3
- 239000010865 sewage Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000011161 development Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000005553 drilling Methods 0.000 abstract description 2
- 239000003208 petroleum Substances 0.000 abstract description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N11/00—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties
- G01N11/10—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties by moving a body within the material
- G01N11/14—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties by moving a body within the material by using rotary bodies, e.g. vane
Abstract
The invention discloses an intelligent viscosity monitoring method and a system thereof, which belong to the technical field of petroleum drilling, wherein the monitoring method comprises the following steps: detecting the liquid level, judging whether the liquid level reaches a preset position, and if so, performing the next step; and starting the rotating motor to drive the medium to rotate, detecting the rotation angle, and calculating the viscosity of the medium when the deviation of the rotation angle is smaller than a preset value. The invention can realize real-time monitoring of the viscosity value of the medium, and lighten the workload of the process staff, thereby analyzing the field situation by using more time and obtaining more excellent process proportion; the setting of the corner threshold value can enable the corner angle to be kept within a certain range, improves the stability of the system, simultaneously, enables the production process of the equipment to be dataized, and meets the requirements of safety, quality and efficiency development.
Description
Technical Field
The invention relates to the technical field of petroleum drilling, in particular to an intelligent viscosity monitoring method and system.
Background
Six-speed viscometers are conventional instruments for industrial viscosity monitoring, which are mainly used in laboratory environments and require manual on-site sampling to laboratory testing. For the today that safety, quality and efficiency become the main melody of enterprise development, the mode obviously has extremely big defects, the production process can not be monitored in real time, and the daily measurement data only can be based on a scheduling plan, so that the technicians do not have time and energy to study the industrial proportion.
Six-speed rotational viscometer working principle: the liquid is placed in the annular space of two concentric circles, the motor drives the outer cylinder to rotate at a constant speed through the transmission device, a certain torque is generated by means of the viscosity of the measured liquid acting on the inner cylinder, the inner cylinder connected with the torsion spring is driven to generate an angle, the size of the angle is in direct proportion to the viscosity of the liquid, and then the viscosity measurement of the liquid is converted into the measurement of the angle of the inner cylinder. The current six-speed viscometer belongs to laboratory equipment, is finished by adopting offline manual sampling, and cannot be applied to a real-time industrial field.
Disclosure of Invention
The invention aims to overcome the defect that the six-speed viscometer in the prior art is only applied to a laboratory environment, cannot be monitored in real time in the production process and cannot meet the requirements of safety, quality and efficiency development, and provides an intelligent viscosity monitoring method and system.
In order to achieve the above object, the present invention provides the following technical solutions:
an intelligent viscosity monitoring method, comprising the following steps:
s1: detecting the liquid level of a medium in real time, judging whether the liquid level reaches a preset position, and if so, performing step S2;
s2: and starting the rotating motor to drive the medium to rotate, detecting the rotation angle, and calculating the viscosity of the medium when the deviation of the rotation angle is smaller than a preset value.
By adopting the technical scheme, the real-time monitoring of the viscosity value of the medium can be realized, the workload of process personnel is reduced, more time can be utilized to analyze the on-site situation and obtain more excellent process proportion, the rotation angle threshold is set, the rotation angle can be kept within a certain range, the stability of the system is improved, meanwhile, the datamation of the production process of the equipment is also realized, and the requirements of safety, quality and efficiency development are met.
As a preferable mode of the invention, the step S2 of the rotating motor driving the medium to rotate comprises the rotating motor sequentially executing the control of 600RPM, 300RPM, 200RPM, 100RPM, 6RPM and 3RPM according to a preset program.
As a preferable mode of the invention, the medium viscosity calculation in the step S2 comprises calculating viscosity values at 600RPM, 300RPM, 200RPM, 100RPM, 6RPM and 3RPM rotational speeds respectively by adopting a Newton viscosity calculation formula, wherein the calculation formula of the viscosity values is as follows:
N＝S×θ×f×C
wherein N is a viscosity value, S is a speed factor, θ is a dial reading, f is a spring coefficient, and C is an outer sleeve-float factor.
As a preferred embodiment of the present invention, the preset value in step S2 is 0.1 °.
As a preferred embodiment of the present invention, the method further comprises: after the calculation of the medium viscosity is completed, a cleaning mark is generated, an automatic cleaning program is started, after the cleaning is completed, a cleaning end mark is generated, and the steps S1 to S2 are repeated.
On the other hand, an intelligent viscosity monitoring system for executing the intelligent detection method is also disclosed, which comprises the following steps: the intelligent control system comprises an intelligent control module, a motor rotation driving module and a sensor detection module, wherein the motor selection driving module and the sensor detection module are both in communication connection with the intelligent control module;
the sensor checking module is used for collecting liquid level data, rotation angle data and temperature data in real time;
the intelligent control module is used for analyzing the liquid level data in real time and outputting a first control instruction, and collecting the temperature data in real time after judging that the deviation of the corner data is smaller than a preset value, so as to calculate the medium viscosity;
the motor rotation driving module is used for receiving the first control instruction and driving the motor to drive the medium to rotate.
By adopting the technical scheme, real-time measurement can be realized, the workload of process personnel is reduced, more time can be utilized to analyze the on-site situation and obtain more excellent process proportion, the rotation angle threshold value is set, the rotation angle can be kept in a certain range, the stability of the system is improved, meanwhile, the equipment production process is dataized, and the requirements of safety, quality and efficiency development are met.
As a preferred embodiment of the present invention, the sensor module includes: the medium temperature sensor is arranged at the slurry inlet of the measuring cylinder and is used for acquiring the temperature data in real time; the grating encoder is arranged at the top of the measuring cylinder and is used for collecting the corner data in real time; the liquid level sensor is installed at the top of the measuring cylinder and is used for collecting the liquid level data in real time.
As a preferable scheme of the invention, the intelligent control module comprises a PLC and an upper computer, and the PLC is in communication connection with the upper computer.
As a preferable scheme of the invention, the intelligent viscosity monitoring system further comprises a cleaning matched valve module, the cleaning matched valve module is in communication connection with the intelligent control module, and after viscosity calculation is finished, the intelligent control module outputs a second control instruction to control the cleaning matched valve module to automatically clean.
As a preferred embodiment of the present invention, the cleaning mating valve includes: the slurry discharging valve is arranged at the bottom of the measuring port and is used for measuring the discharge of slurry after the end of the measurement; the return valve is arranged on the mud return pipeline and is used for returning mud to the mud tank; the purging valve is arranged on the cleaning pipeline and used for starting compressed air to purge the whole system; the overflow valve is arranged at the outlet of the upper part of the measuring tube and is used for leading out redundant slurry in the measuring barrel; the three-way valve is arranged at the inlet of the measuring pipeline and is used for selecting slurry or cleaning water as a medium entering the measuring barrel; the circulating pump is arranged on the medium inlet pipeline and is used for conveying a medium; the drain valve is arranged at the pipeline return outlet and is used for returning cleaning liquid into the sewage tank.
Compared with the prior art, the invention has the beneficial effects that: the method can realize real-time monitoring of the viscosity value of the medium, lightens the workload of process personnel, can analyze the field situation by using more time and obtain more excellent process proportion, can ensure that the corner angle is kept in a certain range by setting the corner threshold value, improves the stability of the system, simultaneously, also ensures that the production process of the equipment is dataized, and meets the requirements of safety, quality and efficiency development.
Drawings
FIG. 1 is a flow chart of an intelligent viscosity monitoring method according to embodiment 1 of the present invention;
FIG. 2 is a block diagram illustrating an intelligent viscosity monitoring system according to embodiment 2 of the present invention;
fig. 3 is a block diagram illustrating a configuration of an intelligent viscosity monitoring system according to embodiment 2 of the present invention.
Detailed Description
The present invention will be described in further detail with reference to test examples and specific embodiments. It should not be construed that the scope of the above subject matter of the present invention is limited to the following embodiments, and all techniques realized based on the present invention are within the scope of the present invention.
Example 1
An intelligent viscosity monitoring method, as shown in fig. 1, comprises the following steps:
s1: detecting the liquid level of a medium in real time, judging whether the liquid level reaches a preset position, and if so, performing step S2;
specifically, firstly, an overflow valve is opened, after the overflow valve is opened in place (a valve actuator is provided with a feedback point, information can be fed back after the overflow valve is opened or closed to a set position), a protection valve is opened, a circulating pump is opened after time delay is 2S, liquid level detection is carried out, after the detected liquid level reaches the set position, the circulating pump is closed, and the overflow valve is closed after time delay is 3S.
The preset position is the liquid level value required by the measuring cylinder, so that the liquid level in the measuring cylinder is ensured not to exceed the measuring range, and meanwhile, the same position is ensured after each liquid is filled.
S2: and starting the rotating motor to drive the medium to rotate, detecting the rotation angle, and calculating the viscosity of the medium when the deviation of the rotation angle is smaller than a preset value.
Specifically, the rotating motor is operated at an initial rotation speed of 600RPM, the rotation speed of 300RPM is started by judging the stability deviation of the rotation angle of the grating encoder after the rotation speed is stable, then 200RPM, 100RPM, 6RPM and 3RPM are sequentially executed, and the cycle is repeated until the rotation angle under each state is acquired.
The medium viscosity calculation in the step S2 includes calculating viscosity values at 600RPM, 300RPM, 200RPM, 100RPM, 6RPM, and 3RPM using newtonian viscosity calculation formulas, where the viscosity values are calculated using the calculation formulas:
N＝S×θ×f×C
where N is the velocity factor, θ is the dial reading, f is the spring rate, and C is the outer sleeve-float factor.
The preset value in the step S2 is 0.1 degrees, and the preset value can be set by itself and needs to be considered in combination with the precision of the grating encoder, but is not lower than 0.1 degrees. I.e. if the motor is operating steadily, the angle of measurement does not change more than 0.1 deg..
Further comprises: after the calculation of the medium viscosity is completed, a cleaning mark is generated, an automatic cleaning program is started, after the cleaning is completed, a cleaning end mark is generated, and the steps S1 to S2 are repeated.
The method can realize real-time monitoring of the viscosity value of the medium, lightens the workload of process personnel, can analyze the field situation by using more time and obtain more excellent process proportion, can ensure that the corner angle is kept in a certain range by setting the corner threshold value, improves the stability of the system, simultaneously, also ensures that the production process of the equipment is dataized, and meets the requirements of safety, quality and efficiency development.
Example 2
An intelligent viscosity monitoring system for performing the intelligent detection method of embodiment 1, as shown in fig. 2, comprising: the intelligent control system comprises an intelligent control module, a motor rotation driving module and a sensor detection module, wherein the motor selection driving module and the sensor detection module are both in communication connection with the intelligent control module;
the sensor module includes: the medium temperature sensor is arranged at the slurry inlet of the measuring cylinder and is used for acquiring the temperature data in real time; the grating encoder is arranged at the top of the measuring cylinder and is used for collecting the corner data in real time; the liquid level sensor is arranged at the top of the measuring cylinder and is used for collecting the liquid level data in real time;
the intelligent control module is used for analyzing the liquid level data in real time and outputting a first control instruction, and collecting the temperature data in real time after judging that the deviation of the corner data is smaller than a preset value, so as to calculate the medium viscosity;
the motor rotation driving module is used for receiving the first control instruction and driving the motor to drive the medium to rotate.
As shown in fig. 3, the intelligent control module comprises a PLC and an upper computer, the PLC is in communication connection with the upper computer, the PLC realizes data exchange and control with the motor rotation driving module through a modbusRTU, and the data acquisition of the grating encoder is realized through the high-speed counting acquisition function of the PLC.
The intelligent viscosity monitoring system further comprises a cleaning matched valve module, the cleaning matched valve module is in communication connection with the intelligent control module, and after viscosity calculation is finished, the intelligent control module outputs a second control instruction to control the cleaning matched valve module to automatically clean.
The cleaning matched valve module comprises: the slurry discharging valve is arranged at the bottom of the measuring port and is used for measuring the discharge of slurry after the end of the measurement; the return valve is arranged on the mud return pipeline and is used for returning mud to the mud tank; the purging valve is arranged on the cleaning pipeline and used for starting compressed air to purge the whole system; the overflow valve is arranged at the outlet of the upper part of the measuring tube and is used for leading out redundant slurry in the measuring barrel; the three-way valve is arranged at the inlet of the measuring pipeline and is used for selecting slurry or cleaning water as a medium entering the measuring barrel; the circulating pump is arranged on the medium inlet pipeline and is used for conveying a medium; the drain valve is arranged at the pipeline return outlet and is used for returning cleaning liquid into the sewage tank.
Specifically, as shown in table 1, opening the slurry discharge valve, switching the back flow valve to the slurry tank direction after the slurry discharge valve is in place, opening the purge valve after the back flow valve is in place, and closing the purge valve, the slurry discharge valve, the back flow valve and the overflow valve after the purge 30S is finished;
2. opening a three-way valve in the cleaning direction, opening the overflow valve after the three-way valve is in place, switching the backflow valve to the direction of a wastewater tank after the overflow valve is in place, opening a circulating pump and delaying for 3S after the backflow valve is in place, opening the pulp discharge valve, and closing the circulating pump, the cleaning valve, the overflow valve and the pulp discharge valve after the pulp discharge valve is in place in a circulating 30S mode;
3. opening the overflow valve, opening the drain valve after the overflow valve acts in place, opening the slurry discharge valve after the drain valve acts in place, switching the back flow valve to the direction of the wastewater tank after the slurry discharge valve acts in place, opening the purge valve, and closing the purge valve, the overflow valve, the drain valve and the slurry discharge valve after purging for 30S.
TABLE 1
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (10)
1. An intelligent viscosity monitoring method is characterized by comprising the following steps:
s1: detecting the liquid level of a medium in real time, judging whether the liquid level reaches a preset position, and if so, performing step S2;
s2: and starting the rotating motor to drive the medium to rotate, detecting the rotation angle, and calculating the viscosity of the medium when the deviation of the rotation angle is smaller than a preset value.
2. The intelligent viscosity monitoring method according to claim 1, wherein the rotating motor driving the medium to rotate in step S2 includes the rotating motor sequentially executing control of 600RPM, 300RPM, 200RPM, 100RPM, 6RPM, 3RPM according to a predetermined program.
3. The intelligent viscosity monitoring method according to claim 1, wherein the calculating of the medium viscosity in the step S2 includes calculating viscosity values at 600RPM, 300RPM, 200RPM, 100RPM, 6RPM, and 3RPM using newtonian viscosity calculation formulas, respectively, wherein the viscosity values are calculated according to the calculation formulas:
N＝S×θ×f×C
wherein N is a viscosity value, S is a speed factor, θ is a dial reading, f is a spring coefficient, and C is an outer sleeve-float factor.
4. The intelligent viscosity monitoring method according to claim 1, wherein the preset value in step S2 is 0.1 °.
5. The intelligent viscosity monitoring method of claim 1, further comprising: after the calculation of the medium viscosity is completed, a cleaning mark is generated, an automatic cleaning program is started, after the cleaning is completed, a cleaning end mark is generated, and the steps S1 to S2 are repeated.
6. An intelligent viscosity monitoring system for performing the intelligent detection method of any of claims 1-5, comprising: the intelligent control system comprises an intelligent control module, a motor rotation driving module and a sensor detection module, wherein the motor selection driving module and the sensor detection module are both in communication connection with the intelligent control module;
the sensor checking module is used for collecting liquid level data, rotation angle data and temperature data in real time;
the intelligent control module is used for analyzing the liquid level data in real time and outputting a first control instruction, and collecting the temperature data in real time after judging that the deviation of the corner data is smaller than a preset value, so as to calculate the medium viscosity;
the motor rotation driving module is used for receiving the first control instruction and driving the motor to drive the medium to rotate.
7. The intelligent viscosity monitoring system of claim 6, wherein the sensor module comprises: the medium temperature sensor is arranged at the slurry inlet of the measuring cylinder and is used for acquiring the temperature data in real time; the grating encoder is arranged at the top of the measuring cylinder and is used for collecting the corner data in real time; the liquid level sensor is installed at the top of the measuring cylinder and is used for collecting the liquid level data in real time.
8. The intelligent viscosity monitoring system of claim 6, wherein the intelligent control module comprises a PLC and a host computer, the PLC being communicatively coupled to the host computer.
9. The intelligent viscosity monitoring system of claim 6, further comprising a cleaning mating valve module, wherein the cleaning mating valve module is in communication connection with the intelligent control module, and wherein after the viscosity calculation is completed, the intelligent control module outputs a second control instruction to control the cleaning mating valve module to perform automatic cleaning.
10. The intelligent viscosity monitoring system of claim 9, wherein the purge kit valve comprises: the slurry discharging valve is arranged at the bottom of the measuring port and is used for measuring the discharge of slurry after the end of the measurement; the return valve is arranged on the mud return pipeline and is used for returning mud to the mud tank; the purging valve is arranged on the cleaning pipeline and used for starting compressed air to purge the whole system; the overflow valve is arranged at the outlet of the upper part of the measuring tube and is used for leading out redundant slurry in the measuring barrel; the three-way valve is arranged at the inlet of the measuring pipeline and is used for selecting slurry or cleaning water as a medium entering the measuring barrel; the circulating pump is arranged on the medium inlet pipeline and is used for conveying a medium; the drain valve is arranged at the pipeline return outlet and is used for returning cleaning liquid into the sewage tank.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311005899.1A CN117147379A (en) | 2023-08-10 | 2023-08-10 | Intelligent viscosity monitoring method and system thereof |
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