CN118424414A - Cement fluid flow measurement system - Google Patents
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- 239000004568 cement Substances 0.000 title claims abstract description 93
- 238000005259 measurement Methods 0.000 title claims abstract description 93
- 239000012530 fluid Substances 0.000 title claims abstract description 46
- 239000002002 slurry Substances 0.000 claims abstract description 68
- 230000003287 optical effect Effects 0.000 claims abstract description 60
- 238000004364 calculation method Methods 0.000 claims abstract description 50
- 238000005516 engineering process Methods 0.000 claims abstract description 18
- 238000004422 calculation algorithm Methods 0.000 claims abstract description 16
- 238000012423 maintenance Methods 0.000 claims abstract description 15
- 230000004927 fusion Effects 0.000 claims abstract description 11
- 238000001914 filtration Methods 0.000 claims abstract description 7
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- 238000005457 optimization Methods 0.000 claims description 12
- 230000006641 stabilisation Effects 0.000 claims description 12
- 238000011105 stabilization Methods 0.000 claims description 12
- 238000012544 monitoring process Methods 0.000 claims description 10
- 238000007689 inspection Methods 0.000 claims description 9
- 239000013598 vector Substances 0.000 claims description 9
- 238000004140 cleaning Methods 0.000 claims description 6
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/07—Integration to give total flow, e.g. using mechanically-operated integrating mechanism
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/66—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
- G01F1/661—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters using light
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/66—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
- G01F1/667—Arrangements of transducers for ultrasonic flowmeters; Circuits for operating ultrasonic flowmeters
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/02—Compensating or correcting for variations in pressure, density or temperature
- G01F15/022—Compensating or correcting for variations in pressure, density or temperature using electrical means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/12—Cleaning arrangements; Filters
- G01F15/125—Filters
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Abstract
Description
技术领域Technical Field
本发明涉及流体流量测量技术领域，具体地说，涉及一种水泥流体流量测量系统。The invention relates to the technical field of fluid flow measurement, and in particular to a cement fluid flow measurement system.
背景技术Background technique
一种水泥流体流量测量系统旨在通过智能光学声学流量计算技术，实现高精度和高可靠性的流量测定，利用光学图像捕捉和超声波数据融合，实现对水泥浆料的体积流量的精确计算和动态调控。A cement fluid flow measurement system is designed to achieve high-precision and high-reliability flow measurement through intelligent optical acoustic flow calculation technology, and to achieve accurate calculation and dynamic regulation of the volume flow of cement slurry by optical image capture and ultrasonic data fusion.
现有的水泥流体流量测量系统在处理高粘度或含有颗粒的水泥浆料时，由于传统测量设备容易受到物理堵塞或磨损的情况，会导致测量精度下降和设备维护成本增加的问题，因此，设计一种水泥流体流量测量系统。When the existing cement fluid flow measurement system processes high-viscosity or particle-containing cement slurry, the traditional measuring equipment is easily subject to physical blockage or wear, which will lead to reduced measurement accuracy and increased equipment maintenance costs. Therefore, a cement fluid flow measurement system is designed.
发明内容Summary of the invention
本发明的目的在于提供一种水泥流体流量测量系统，以解决上述背景技术中提出的由于传统测量设备容易受到物理堵塞或磨损的情况，会导致测量精度下降和设备维护成本增加的问题。The object of the present invention is to provide a cement fluid flow measurement system to solve the problem raised in the above background technology that the traditional measuring equipment is susceptible to physical blockage or wear, which leads to reduced measurement accuracy and increased equipment maintenance costs.
为实现上述目的，本发明目的在于提供了一种水泥流体流量测量系统，包括：To achieve the above object, the present invention provides a cement fluid flow measurement system, comprising:
流量调控单元，所述流量调控单元用于将水泥浆料稳定供给到测量计算单元，并接受来自流量调控单元的反馈以调节流量；A flow control unit, the flow control unit is used to stably supply cement slurry to the measurement and calculation unit, and receive feedback from the flow control unit to adjust the flow;
条件优化单元，所述条件优化单元用于过滤来自流量调控单元的水泥浆料，并且调节水泥浆料的温度和压力；A condition optimization unit, the condition optimization unit is used to filter the cement slurry from the flow control unit and adjust the temperature and pressure of the cement slurry;
测量计算单元，所述测量计算单元收集并综合光学与声学传感器数据，使用智能光学声学流量计算技术测量计算水泥浆料的综合体积流量；A measurement and calculation unit, which collects and integrates optical and acoustic sensor data, and uses intelligent optical and acoustic flow calculation technology to measure and calculate the comprehensive volume flow of cement slurry;
流量反馈单元，所述流量反馈单元用于接收来自测量计算单元的综合体积流量，并分析综合体积流量反馈给流量调控单元；A flow feedback unit, the flow feedback unit is used to receive the comprehensive volume flow from the measurement and calculation unit, analyze the comprehensive volume flow and feed it back to the flow control unit;
系统维护单元，所述系统维护单元用于进行定期的系统检查和维护。A system maintenance unit, wherein the system maintenance unit is used to perform regular system inspection and maintenance.
作为本技术方案的进一步改进，所述流量调控单元包括供料泵控制模块和流量稳定模块；As a further improvement of the technical solution, the flow control unit includes a feed pump control module and a flow stabilization module;
其中，所述供料泵控制模块控制多台供料泵抽取储存区的水泥浆料并推送至测量计算单元；Wherein, the feed pump control module controls multiple feed pumps to extract cement slurry from the storage area and push it to the measurement and calculation unit;
其中，所述流量稳定模块用于接收来自流量调控单元的反馈调节进入测量计算单元的水泥浆料的流量，并安装压力传感器实现流量的实时监控和自动调节。The flow stabilization module is used to receive feedback from the flow control unit to adjust the flow of cement slurry entering the measurement and calculation unit, and install a pressure sensor to achieve real-time monitoring and automatic adjustment of the flow.
作为本技术方案的进一步改进，所述条件优化单元包括颗粒过滤模块和环境调节模块；As a further improvement of the technical solution, the condition optimization unit includes a particle filtration module and an environment adjustment module;
其中，所述颗粒过滤模块用于去除水泥浆料中的大颗粒杂质，利用重力原理将水泥浆料中较重的固体颗粒在沉降池进行初步的自然沉降，再利用筛网截留大于介质孔径的杂质颗粒，预防这些颗粒进入后续的测量系统，避免损害传感器或影响传感器的精度；The particle filtration module is used to remove large particle impurities in cement slurry. The heavier solid particles in cement slurry are initially naturally settled in the sedimentation tank by the principle of gravity, and then the impurity particles larger than the medium pore size are intercepted by the screen to prevent these particles from entering the subsequent measurement system to avoid damaging the sensor or affecting the accuracy of the sensor.
其中，所述环境调节模块用于调整水泥浆料的温度和压力，将温度调节到5°C至35°C之间，将压力控制在1至10Bar之间，确保其在进入测量单元前达到理想的测量条件；The environment adjustment module is used to adjust the temperature and pressure of the cement slurry, adjust the temperature to between 5°C and 35°C, and control the pressure between 1 and 10 Bar, to ensure that it reaches the ideal measurement conditions before entering the measurement unit;
通过条件优化单元精细控制水泥浆料的物理和化学状态，为整个水泥体积流量测量系统提供了一个稳定和可控的工作环境，不仅提高了测量的准确性和可靠性，还有助于提升整个生产线的效率和产品质量。The physical and chemical state of cement slurry is finely controlled by the condition optimization unit, providing a stable and controllable working environment for the entire cement volume flow measurement system, which not only improves the accuracy and reliability of the measurement, but also helps to improve the efficiency and product quality of the entire production line.
作为本技术方案的进一步改进，所述测量计算单元包括流体建模模块、图像捕捉处理模块、超声波测量模块和流量计算模块；As a further improvement of the technical solution, the measurement and calculation unit includes a fluid modeling module, an image capture processing module, an ultrasonic measurement module and a flow calculation module;
其中，所述流体建模模块用于对水泥浆的流动特性进行建模；所述图像捕捉处理模块使用高速摄像机捕捉流动的水泥浆料图像；所述超声波测量模块使用超声波传感器阵列测量水泥浆的体积流量；所述流量计算模块结合光学和声学的测量结果，使用数据融合技术来优化体积流量的测量。Among them, the fluid modeling module is used to model the flow characteristics of cement slurry; the image capture and processing module uses a high-speed camera to capture images of flowing cement slurry; the ultrasonic measurement module uses an ultrasonic sensor array to measure the volume flow of cement slurry; the flow calculation module combines optical and acoustic measurement results and uses data fusion technology to optimize the measurement of volume flow.
作为本技术方案的进一步改进，所述智能光学声学流量计算技术是基于高级图像处理和声学信号分析所实现的，用于精确测量水泥浆料的体积流量，所述使用智能光学声学流量计算技术测量计算水泥浆料的体积流量所涉及的具体步骤如下：As a further improvement of the technical solution, the intelligent optical acoustic flow calculation technology is implemented based on advanced image processing and acoustic signal analysis, and is used to accurately measure the volume flow of cement slurry. The specific steps involved in measuring and calculating the volume flow of cement slurry using the intelligent optical acoustic flow calculation technology are as follows:
S3.1、在流体建模模块中对水泥浆的流动特性进行建模，改变剪切速率并测量相应的剪切应力，并通过非线性回归方法拟合广义牛顿流体模型找到最佳一致性指数和流动行为指数：；S3.1. Model the flow characteristics of cement slurry in the fluid modeling module and change the shear rate And measure the corresponding shear stress , and find the best consistency index by fitting the generalized Newtonian fluid model through nonlinear regression method and mobility behavior index : ;
其中，为是剪切应力，单位为帕斯卡；为剪切速率，单位是;为流体的一致性指数，单位是；为流动行为指数；in, is the shear stress in Pascals; is the shear rate in units of ; is the consistency index of the fluid, in units of ; is the flow behavior index;
S3.2、使用图像捕捉处理模块利用高速摄像机捕捉流动的水泥浆料图像，使用图像处理算法Sobel算子计算每一帧图像在和方向上的亮度梯度和，并运用光流算法计算颗粒在连续帧之间的速度向量和并推算光学流速和光学体积流量;S3.2, use the image capture processing module to capture the flowing cement slurry image with a high-speed camera, and use the image processing algorithm Sobel operator to calculate the and Brightness gradient in direction and , and use the optical flow algorithm to calculate the velocity vector of the particles between consecutive frames and And calculate the optical flow rate and optical volume flow ;
S3.3、使用超声波测量模块利用超声波传感器阵列的多普勒频移测量水泥浆流体声学流速和声学体积流量；S3.3. Use the ultrasonic measurement module to measure the acoustic flow velocity of cement slurry fluid using the Doppler frequency shift of the ultrasonic sensor array and acoustic volume flow ;
S3.4、融合声学体积流量和光学体积流量，使用加权平均计算出综合体积流量。S3.4. Fusion Acoustic Volume Flow and optical volume flow , using weighted average to calculate the integrated volume flow .
作为本技术方案的进一步改进，所述S3.2中运用光流算法计算光学流速所涉及的具体数学公式如下：As a further improvement of this technical solution, the optical flow algorithm is used in S3.2 to calculate the optical flow velocity The specific mathematical formulas involved are as follows:
流光方程： Streamer equation:
； ;
其中，为每一帧图像在x方向的亮度梯度；为每一帧图像在y方向的亮度梯度；和为每个像素点的速度向量；为速度向量的总数；为光学流速；为光学体积流量;为截面面积。in, is the brightness gradient of each frame image in the x direction; is the brightness gradient of each frame image in the y direction; and is the velocity vector for each pixel; is the total number of velocity vectors; is the optical flow velocity; is the optical volume flow rate; is the cross-sectional area.
作为本技术方案的进一步改进，所述S3.3中利用超声波传感器阵列测量水泥浆的体积流量的计算方法为：As a further improvement of the technical solution, the volume flow rate of cement slurry is measured by using an ultrasonic sensor array in S3.3. The calculation method is:
其中，是多普勒频移，即接收到的频率与发射频率之差；为介质中的声速；为是发射的超声波频率；为超声波传播方向与流速方向的夹角；为声学流速；为截面面积。in, is the Doppler shift, which is the difference between the received frequency and the transmitted frequency; is the speed of sound in the medium; is the frequency of the emitted ultrasonic wave; is the angle between the ultrasonic wave propagation direction and the flow velocity direction; is the acoustic flow velocity; is the cross-sectional area.
作为本技术方案的进一步改进，所述S3.4中融合声学体积流量和光学体积流量，使用加权平均计算出综合体积流量所涉及的数学模型公式如下：As a further improvement of the technical solution, the fusion acoustic volume flow in S3.4 and optical volume flow , using weighted average to calculate the integrated volume flow The mathematical model formula involved is as follows:
其中，为综合体积流量；为光学测量得到的流速对应的体积流量计算结果的权重；为基于光学测量得到的流速计算的体积流量；为光学测量得到的流速对应的体积流量计算结果的权重；为基于光学测量得到的流速计算的体积流量。in, is the integrated volume flow rate; is the flow rate obtained by optical measurement The weight of the corresponding volume flow calculation result; is the flow rate obtained based on optical measurement Calculated volume flow rate; is the flow rate obtained by optical measurement The weight of the corresponding volume flow calculation result; is the flow rate obtained based on optical measurement Calculated volume flow rate.
作为本技术方案的进一步改进，所述流量反馈单元包含接收分析模块和控制反馈模块；As a further improvement of the technical solution, the flow feedback unit includes a receiving analysis module and a control feedback module;
其中，所述接收分析模块用于接收来自测量计算单元的实时水泥浆料的综合体积流量，并使用统计分析处理算法分析接收到的综合体积流量；The receiving and analyzing module is used to receive the comprehensive volume flow of cement slurry in real time from the measuring and calculating unit, and analyze the received comprehensive volume flow using a statistical analysis processing algorithm;
其中，所述控制反馈模块用于基于数据分析结果，向流量调控单元中的供料泵控制模块和流量稳定模块发送调节控制命令，以调节供料泵速度和调整流量稳定阀。Wherein, the control feedback module is used to send adjustment control commands to the feed pump control module and the flow stabilization module in the flow control unit based on the data analysis results, so as to adjust the feed pump speed and adjust the flow stabilization valve.
作为本技术方案的进一步改进，所述系统维护单元包含定期检查模块、自动清洁模块和安全监控系统；As a further improvement of the technical solution, the system maintenance unit includes a regular inspection module, an automatic cleaning module and a safety monitoring system;
其中，所述定期检查模块用于负责定期对系统中的机械和电子设备进行检查，包括传感器、泵、阀门；The periodic inspection module is responsible for regularly inspecting the mechanical and electronic equipment in the system, including sensors, pumps, and valves;
其中，所述自动清洁模块用于定时启动清洁程序自动清洁设备和管道；Wherein, the automatic cleaning module is used to start the cleaning program at a fixed time to automatically clean the equipment and pipelines;
其中，所述安全监控系统用于监测系统的运行状态，实时监控压力、温度参数。Among them, the safety monitoring system is used to monitor the operating status of the system and monitor the pressure and temperature parameters in real time.
与现有技术相比，本发明的有益效果：Compared with the prior art, the present invention has the following beneficial effects:
1、该一种水泥流体流量测量系统中，使用智能光学声学流量计算技术测量计算水泥浆料的综合体积流量，可以实现实时精确监控流体的运动状态，优化生产过程控制，同时减少因测量误差引起的原材料浪费和生产成本。1. In this cement fluid flow measurement system, intelligent optical acoustic flow calculation technology is used to measure and calculate the comprehensive volume flow of cement slurry, which can realize real-time and accurate monitoring of the movement state of the fluid, optimize the production process control, and reduce the waste of raw materials and production costs caused by measurement errors.
2、该一种水泥流体流量测量系统中，通过集成多传感器数据融合和智能算法分析，可以有效地提高测量数据的准确性和系统的响应速度，确保流量控制的精细化和生产过程的高效运行。2. In this cement fluid flow measurement system, by integrating multi-sensor data fusion and intelligent algorithm analysis, the accuracy of measurement data and the response speed of the system can be effectively improved, ensuring the refinement of flow control and the efficient operation of the production process.
附图说明BRIEF DESCRIPTION OF THE DRAWINGS
图1为本发明的整体流程框图。FIG1 is a flowchart of the overall process of the present invention.
图中各个标号意义为：The meaning of each number in the figure is:
1、流量调控单元；2、条件优化单元；3、测量计算单元；4、流量反馈单元；5、系统维护单元。1. Flow control unit; 2. Condition optimization unit; 3. Measurement and calculation unit; 4. Flow feedback unit; 5. System maintenance unit.
具体实施方式Detailed ways
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
实施例Example
请参阅图1所示，提供了一种水泥流体流量测量系统，包括：Referring to FIG. 1 , a cement fluid flow measurement system is provided, comprising:
流量调控单元1，所述流量调控单元1用于将水泥浆料稳定供给到测量计算单元3，并接受来自流量反馈单元4的反馈以调节流量；A flow control unit 1, which is used to stably supply cement slurry to the measurement and calculation unit 3, and receive feedback from the flow feedback unit 4 to adjust the flow;
所述流量调控单元1包括供料泵控制模块和流量稳定模块；The flow control unit 1 includes a feed pump control module and a flow stabilization module;
其中，所述供料泵控制模块控制多台供料泵抽取储存区的水泥浆料并推送至测量计算单元3；The feed pump control module controls multiple feed pumps to extract cement slurry from the storage area and push it to the measurement and calculation unit 3;
其中，所述流量稳定模块用于接收来自流量反馈单元4的反馈调节进入测量计算单元3的水泥浆料的流量，并安装压力传感器实现流量的实时监控和自动调节。The flow stabilization module is used to receive feedback from the flow feedback unit 4 to adjust the flow of cement slurry entering the measurement and calculation unit 3, and install a pressure sensor to achieve real-time monitoring and automatic adjustment of the flow.
还包括条件优化单元2，所述条件优化单元2用于过滤来自流量调控单元1的水泥浆料，并且调节水泥浆料的温度和压力；It also includes a condition optimization unit 2, which is used to filter the cement slurry from the flow control unit 1 and adjust the temperature and pressure of the cement slurry;
所述条件优化单元2包括颗粒过滤模块和环境调节模块；The condition optimization unit 2 includes a particle filtering module and an environment adjustment module;
其中，所述颗粒过滤模块用于去除水泥浆料中的大颗粒杂质，利用重力原理将水泥浆料中较重的固体颗粒在沉降池进行初步的自然沉降，再利用筛网截留大于介质孔径的杂质颗粒，预防这些颗粒进入后续的测量系统，避免损害传感器或影响传感器的精度；The particle filtration module is used to remove large particle impurities in cement slurry. The heavier solid particles in cement slurry are initially naturally settled in the sedimentation tank by the principle of gravity, and then the impurity particles larger than the medium pore size are intercepted by the screen to prevent these particles from entering the subsequent measurement system to avoid damaging the sensor or affecting the accuracy of the sensor.
其中，所述环境调节模块用于调整水泥浆料的温度和压力，将温度调节到5°C至35°C之间，将压力控制在1至10Bar之间，确保其在进入测量单元前达到理想的测量条件；The environment adjustment module is used to adjust the temperature and pressure of the cement slurry, adjust the temperature to between 5°C and 35°C, and control the pressure between 1 and 10 Bar, to ensure that it reaches the ideal measurement conditions before entering the measurement unit;
通过条件优化单元精细控制水泥浆料的物理和化学状态，为整个水泥体积流量测量系统提供了一个稳定和可控的工作环境，不仅提高了测量的准确性和可靠性，还有助于提升整个生产线的效率和产品质量。The physical and chemical state of cement slurry is finely controlled by the condition optimization unit, providing a stable and controllable working environment for the entire cement volume flow measurement system, which not only improves the accuracy and reliability of the measurement, but also helps to improve the efficiency and product quality of the entire production line.
还包括测量计算单元3，所述测量计算单元3收集并综合光学与声学传感器数据，使用智能光学声学流量计算技术测量计算水泥浆料的综合体积流量；It also includes a measurement and calculation unit 3, which collects and integrates optical and acoustic sensor data, and uses intelligent optical and acoustic flow calculation technology to measure and calculate the comprehensive volume flow of cement slurry;
所述测量计算单元3包括流体建模模块、图像捕捉处理模块、超声波测量模块和流量计算模块；The measurement and calculation unit 3 includes a fluid modeling module, an image capture processing module, an ultrasonic measurement module and a flow calculation module;
其中，所述流体建模模块用于对水泥浆的流动特性进行建模；所述图像捕捉处理模块使用高速摄像机捕捉流动的水泥浆料图像；所述超声波测量模块使用超声波传感器阵列测量水泥浆的体积流量；所述流量计算模块结合光学和声学的测量结果，使用数据融合技术来优化体积流量的测量。Among them, the fluid modeling module is used to model the flow characteristics of cement slurry; the image capture and processing module uses a high-speed camera to capture images of flowing cement slurry; the ultrasonic measurement module uses an ultrasonic sensor array to measure the volume flow of cement slurry; the flow calculation module combines optical and acoustic measurement results and uses data fusion technology to optimize the measurement of volume flow.
所述智能光学声学流量计算技术是基于高级图像处理和声学信号分析所实现的，用于精确测量水泥浆料的体积流量，所述使用智能光学声学流量计算技术测量计算水泥浆料的体积流量所涉及的具体步骤如下：The intelligent optical acoustic flow calculation technology is implemented based on advanced image processing and acoustic signal analysis, and is used to accurately measure the volume flow of cement slurry. The specific steps involved in measuring and calculating the volume flow of cement slurry using the intelligent optical acoustic flow calculation technology are as follows:
S3.1、在流体建模模块中对水泥浆的流动特性进行建模，改变剪切速率并测量相应的剪切应力，并通过非线性回归方法拟合广义牛顿流体模型找到最佳一致性指数和流动行为指数：；S3.1. Model the flow characteristics of cement slurry in the fluid modeling module and change the shear rate And measure the corresponding shear stress , and find the best consistency index by fitting the generalized Newtonian fluid model through nonlinear regression method and mobility behavior index : ;
其中，为是剪切应力，单位为帕斯卡；为剪切速率，单位是;为流体的一致性指数，单位是；为流动行为指数；in, is the shear stress in Pascals; is the shear rate in units of ; is the consistency index of the fluid, in units of ; is the flow behavior index;
S3.2、使用图像捕捉处理模块利用高速摄像机捕捉流动的水泥浆料图像，使用图像处理算法Sobel算子计算每一帧图像在和方向上的亮度梯度和，并运用光流算法计算颗粒在连续帧之间的速度向量和并推算光学流速和光学体积流量;S3.2, use the image capture processing module to capture the flowing cement slurry image with a high-speed camera, and use the image processing algorithm Sobel operator to calculate the and Brightness gradient in direction and , and use the optical flow algorithm to calculate the velocity vector of the particles between consecutive frames and And calculate the optical flow rate and optical volume flow ;
S3.3、使用超声波测量模块利用超声波传感器阵列的多普勒频移测量水泥浆流体声学流速和声学体积流量；S3.3. Use the ultrasonic measurement module to measure the acoustic flow velocity of cement slurry fluid using the Doppler frequency shift of the ultrasonic sensor array and acoustic volume flow ;
S3.4、融合声学体积流量和光学体积流量，使用加权平均计算出综合体积流量。S3.4. Fusion Acoustic Volume Flow and optical volume flow , using weighted average to calculate the integrated volume flow .
其中，所述广义牛顿流体模型是一种用来描述流体粘度随剪切率变化的行为的数学模型，适用于那些其粘度不是常数的流体，而是依赖于施加的剪切速率；The generalized Newtonian fluid model is a mathematical model used to describe the behavior of fluid viscosity as a function of shear rate, and is applicable to fluids whose viscosity is not a constant but depends on the applied shear rate;
所述S3.2中运用光流算法计算光学流速所涉及的具体数学公式如下：The optical flow algorithm is used in S3.2 to calculate the optical flow velocity The specific mathematical formulas involved are as follows:
流光方程： Streamer equation:
； ;
其中，为每一帧图像在x方向的亮度梯度；为每一帧图像在y方向的亮度梯度；和为每个像素点的速度向量；为速度向量的总数；为光学流速；为光学体积流量;为截面面积；in, is the brightness gradient of each frame image in the x direction; is the brightness gradient of each frame image in the y direction; and is the velocity vector for each pixel; is the total number of velocity vectors; is the optical flow velocity; is the optical volume flow rate; is the cross-sectional area;
其中，所述光流算法是一种计算机视觉技术，用于估计图像序列中的像素点运动速度和方向；The optical flow algorithm is a computer vision technology used to estimate the speed and direction of pixel movement in an image sequence;
所述S3.3中利用超声波传感器阵列测量水泥浆的体积流量的计算方法为：The volume flow rate of cement slurry is measured by using an ultrasonic sensor array in S3.3 The calculation method is:
其中，是多普勒频移，即接收到的频率与发射频率之差；为介质中的声速；为是发射的超声波频率；为超声波传播方向与流速方向的夹角；为声学流速；为截面面积；in, is the Doppler shift, which is the difference between the received frequency and the transmitted frequency; is the speed of sound in the medium; is the frequency of the emitted ultrasonic wave; is the angle between the ultrasonic wave propagation direction and the flow velocity direction; is the acoustic flow velocity; is the cross-sectional area;
其中，所述超声波传感器阵列是一组配置在一定几何排列中的超声波传感器，用于精确测量水泥浆料的流速和体积流量；Wherein, the ultrasonic sensor array is a group of ultrasonic sensors arranged in a certain geometric arrangement for accurately measuring the flow velocity and volume flow of cement slurry;
所述S3.4中融合声学体积流量和光学体积流量，使用加权平均计算出综合体积流量所涉及的数学模型公式如下：The S3.4 fusion acoustic volume flow and optical volume flow , using weighted average to calculate the integrated volume flow The mathematical model formula involved is as follows:
其中，为综合体积流量；为光学测量得到的流速对应的体积流量计算结果的权重；为基于光学测量得到的流速计算的体积流量；为光学测量得到的流速对应的体积流量计算结果的权重；为基于光学测量得到的流速计算的体积流量。in, is the integrated volume flow rate; is the flow rate obtained by optical measurement The weight of the corresponding volume flow calculation result; is the flow rate obtained based on optical measurement Calculated volume flow rate; is the flow rate obtained by optical measurement The weight of the corresponding volume flow calculation result; is the flow rate obtained based on optical measurement Calculated volume flow rate.
还包括流量反馈单元4，所述流量反馈单元4用于接收来自测量计算单元3的综合体积流量，并分析综合体积流量反馈给流量调控单元1；It also includes a flow feedback unit 4, which is used to receive the comprehensive volume flow from the measurement and calculation unit 3, analyze the comprehensive volume flow, and feed it back to the flow control unit 1;
所述流量反馈单元4包含接收分析模块和控制反馈模块；The flow feedback unit 4 includes a receiving and analyzing module and a control feedback module;
其中，所述接收分析模块用于接收来自测量计算单元3的实时水泥浆料的综合体积流量，并使用统计分析处理算法分析接收到的综合体积流量；The receiving and analyzing module is used to receive the comprehensive volume flow of cement slurry in real time from the measuring and calculating unit 3, and analyze the received comprehensive volume flow using a statistical analysis processing algorithm;
其中，所述控制反馈模块用于基于数据分析结果，向流量调控单元1中的供料泵控制模块和流量稳定模块发送调节控制命令，以调节供料泵速度和调整流量稳定阀。The control feedback module is used to send adjustment control commands to the feed pump control module and the flow stabilization module in the flow control unit 1 based on the data analysis results, so as to adjust the feed pump speed and the flow stabilization valve.
其中，所述统计分析处理算法用于处理和分析来自测量计算单元（3）的综合体积流量数据的一系列数学和统计方法，包括自回归模型、移动平均模型和自回归移动平均模型；The statistical analysis processing algorithm is a series of mathematical and statistical methods for processing and analyzing the comprehensive volume flow data from the measurement and calculation unit (3), including an autoregressive model, a moving average model and an autoregressive moving average model;
还包括系统维护单元5，所述系统维护单元5用于进行定期的系统检查和维护；It also includes a system maintenance unit 5, which is used to perform regular system inspection and maintenance;
所述系统维护单元5包含定期检查模块、自动清洁模块和安全监控系统；The system maintenance unit 5 includes a regular inspection module, an automatic cleaning module and a safety monitoring system;
其中，所述定期检查模块用于负责定期对系统中的机械和电子设备进行检查，包括传感器、泵、阀门；The periodic inspection module is responsible for regularly inspecting the mechanical and electronic equipment in the system, including sensors, pumps, and valves;
其中，所述自动清洁模块用于定时启动清洁程序自动清洁设备和管道；Wherein, the automatic cleaning module is used to start the cleaning program at a fixed time to automatically clean the equipment and pipelines;
其中，所述安全监控系统用于监测系统的运行状态，实时监控压力、温度参数。Among them, the safety monitoring system is used to monitor the operating status of the system and monitor the pressure and temperature parameters in real time.
以上显示和描述了本发明的基本原理、主要特征和本发明的优点。本行业的技术人员应该了解，本发明不受上述实施例的限制，上述实施例和说明书中描述的仅为本发明的优选例，并不用来限制本发明，在不脱离本发明精神和范围的前提下，本发明还会有各种变化和改进，这些变化和改进都落入要求保护的本发明范围内。本发明要求保护范围由所附的权利要求书及其等效物界定。The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the present invention and are not intended to limit the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.
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