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CN118424414B - A cement fluid flow measurement system - Google Patents

A cement fluid flow measurement system Download PDF

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Publication number
CN118424414B
CN118424414B CN202410881282.4A CN202410881282A CN118424414B CN 118424414 B CN118424414 B CN 118424414B CN 202410881282 A CN202410881282 A CN 202410881282A CN 118424414 B CN118424414 B CN 118424414B
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flow
module
measurement
cement slurry
unit
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CN118424414A (en
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杨志仿
崔明德
魏宏旭
李克斌
王国建
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Shandong Yuanyou Heavy Industry Science & Technology Co ltd
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Shandong Yuanyou Heavy Industry Science & Technology Co ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F15/00Details 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
    • G01F15/07Integration to give total flow, e.g. using mechanically-operated integrating mechanism
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/66Measuring 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
    • G01F1/661Measuring 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
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/66Measuring 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
    • G01F1/667Arrangements of transducers for ultrasonic flowmeters; Circuits for operating ultrasonic flowmeters
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F15/00Details 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
    • G01F15/02Compensating or correcting for variations in pressure, density or temperature
    • G01F15/022Compensating or correcting for variations in pressure, density or temperature using electrical means
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F15/00Details 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
    • G01F15/12Cleaning arrangements; Filters
    • G01F15/125Filters

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  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Measuring Volume Flow (AREA)

Abstract

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。其包括流量调控单元负责将水泥浆料稳定地供给到测量计算单元,同时根据数据反馈调整流量;条件优化单元负责对水泥浆料进行过滤,并调节其温度和压力;测量计算单元利用智能光学声学技术计算水泥浆料的综合体积流量;流量反馈单元接收测量计算单元输出的综合体积流量数据,并反馈给流量调控单元;系统维护单元负责定期检查和维护整个系统,确保其稳定高效运行。该水泥流体流量测量系统利用智能光学声学技术实时精确监控和控制水泥浆料流量,通过多传感器数据融合和智能算法,显著提升测量准确性和生产效率。

The present invention relates to the field of fluid flow measurement technology, and specifically, to a cement fluid flow measurement system. It includes a flow control unit responsible for stably supplying cement slurry to a measurement and calculation unit, and adjusting the flow rate according to data feedback; a condition optimization unit responsible for filtering the cement slurry and adjusting its temperature and pressure; a measurement and calculation unit using intelligent optical acoustic technology to calculate the comprehensive volume flow of cement slurry; a flow feedback unit receiving the comprehensive volume flow data output by the measurement and calculation unit, and feeding it back to the flow control unit; a system maintenance unit responsible for regularly checking and maintaining the entire system to ensure its stable and efficient operation. The cement fluid flow measurement system uses intelligent optical acoustic technology to accurately monitor and control the cement slurry flow in real time, and significantly improves measurement accuracy and production efficiency through multi-sensor data fusion and intelligent algorithms.

Description

Cement fluid flow measurement system
Technical Field
The invention relates to the technical field of fluid flow measurement, in particular to a cement fluid flow measurement system.
Background
The cement fluid flow measuring system aims at realizing high-precision and high-reliability flow measurement by an intelligent optical acoustic flow calculation technology, and realizing accurate calculation and dynamic regulation and control of the volume flow of cement slurry by utilizing optical image capturing and ultrasonic data fusion.
When the existing cement fluid flow measuring system is used for treating cement slurry with high viscosity or particles, the problems of reduction of measuring precision and increase of equipment maintenance cost can be caused due to the fact that the traditional measuring equipment is easy to be subjected to physical blockage or abrasion, and therefore, the cement fluid flow measuring system is designed.
Disclosure of Invention
The invention aims to provide a cement fluid flow measuring system, which solves the problems that the conventional measuring equipment is easy to be blocked or worn physically, so that the measuring precision is reduced and the equipment maintenance cost is increased.
To achieve the above object, the present invention provides a cement fluid flow measuring system, comprising:
a flow rate regulating unit for stably supplying the cement paste to the measurement calculating unit and receiving feedback from the flow rate regulating unit to regulate the flow rate;
A condition optimizing unit for filtering the cement paste from the flow regulating unit and adjusting the temperature and pressure of the cement paste;
The measuring and calculating unit is used for collecting and integrating optical and acoustic sensor data, and measuring and calculating the integrated volume flow of the cement slurry by using an intelligent optical acoustic flow calculating technology;
The flow feedback unit is used for receiving the comprehensive volume flow from the measurement and calculation unit, analyzing the comprehensive volume flow and feeding the comprehensive volume flow back to the flow regulation unit;
And a system maintenance unit for performing periodic system inspection and maintenance.
As a further improvement of the technical scheme, the flow regulating unit comprises a feed pump control module and a flow stabilizing module;
The feeding pump control module controls the plurality of feeding pumps to pump cement slurry in the storage area and push the cement slurry to the measurement and calculation unit;
the flow stabilizing module is used for receiving feedback from the flow regulating unit to regulate the flow of the cement slurry entering the measuring and calculating unit, and installing the pressure sensor to realize real-time monitoring and automatic regulation of the flow.
As a further improvement of the technical scheme, the condition optimizing unit comprises a particle filtering module and an environment adjusting module;
the particle filtering module is used for removing large particle impurities in the cement slurry, carrying out preliminary natural sedimentation on heavier solid particles in the cement slurry in a sedimentation tank by utilizing the gravity principle, intercepting the impurity particles larger than the medium aperture by utilizing a screen, and preventing the particles from entering a subsequent measuring system so as to avoid damaging a sensor or affecting the accuracy of the sensor;
the environment adjusting module is used for adjusting the temperature and the pressure of the cement slurry, adjusting the temperature to be between 5 ℃ and 35 ℃, and controlling the pressure to be between 1 and 10Bar, so that the ideal measuring condition is ensured before the cement slurry enters the measuring unit;
The physical and chemical states of the cement slurry are finely controlled through the condition optimization unit, a stable and controllable working environment is provided for the whole cement volume flow measurement system, the measurement accuracy and reliability are improved, and the efficiency and the product quality of the whole production line are improved.
As a further improvement of the technical scheme, the measurement calculation unit comprises a fluid modeling module, an image capturing and processing module, an ultrasonic measurement module and a flow calculation module;
The fluid modeling module is used for modeling the flow characteristics of cement paste; the image capture processing module captures images of the flowing cement slurry using a high speed camera; the ultrasonic measuring module measures the volume flow of the cement slurry by using an ultrasonic sensor array; the flow calculation module uses data fusion techniques to optimize the measurement of volumetric flow in combination with optical and acoustic measurements.
As a further improvement of the technical scheme, the intelligent optical acoustic flow computing technology is realized based on advanced image processing and acoustic signal analysis and is used for accurately measuring the volume flow of the cement paste, and the specific steps involved in measuring and computing the volume flow of the cement paste by using the intelligent optical acoustic flow computing technology are as follows:
S3.1, modeling the flow characteristic of cement paste in a fluid modeling module, and changing the shear rate And measuring the corresponding shear stressFitting generalized Newtonian fluid model through nonlinear regression method to find optimal consistency indexAnd flow behavior index
Wherein, Is shear stress in pascals; For shear rate, the units are ;Is the fluid consistency index in units ofIs a flow behavior index;
S3.2, capturing images of the flowing cement slurry by using an image capturing and processing module through a high-speed camera, and calculating each frame of image in the process of using an image processing algorithm Sobel operator AndBrightness gradient in directionAndAnd calculating velocity vectors of particles between successive frames using an optical flow algorithmAndAnd calculate the optical flow rateAnd optical volume flow;
S3.3, measuring the acoustic flow velocity of the cement slurry fluid by using the Doppler frequency shift of the ultrasonic sensor array by using the ultrasonic measuring moduleAnd acoustic volume flow
S3.4, fusion acoustic volume flowAnd optical volume flowCalculation of integrated volumetric flow using weighted average
As a further improvement of the present technical solution, the optical flow rate is calculated in S3.2 by using an optical flow algorithmThe specific mathematical formula involved is as follows:
Streamer equation:
wherein, A brightness gradient in the x-direction for each frame image; A brightness gradient in the y direction for each frame image; And A velocity vector for each pixel; Is the total number of velocity vectors; Is the optical flow rate; is the optical volume flow; Is the cross-sectional area.
As a further improvement of the technical scheme, the method in S3.3 utilizes an ultrasonic sensor array to measure the volume flow of cement pasteThe calculation method of (1) is as follows:
wherein, Is the doppler shift, i.e., the difference between the received frequency and the transmitted frequency; Is the speed of sound in the medium; Is the emitted ultrasonic frequency; is the included angle between the ultrasonic wave propagation direction and the flow velocity direction; is the acoustic flow rate; Is the cross-sectional area.
As a further improvement of the present technical solution, the fusion acoustic volume flow rate in S3.4And optical volume flowCalculation of integrated volumetric flow using weighted averageThe mathematical model formula involved is as follows:
wherein, Is the integrated volume flow; For optically measuring the flow rate The weight of the corresponding volume flow calculation result; for flow rates based on optical measurements A calculated volumetric flow rate; For optically measuring the flow rate The weight of the corresponding volume flow calculation result; for flow rates based on optical measurements Calculated volumetric flow.
As a further improvement of the technical scheme, the flow feedback unit comprises a receiving and analyzing module and a control feedback module;
the receiving and analyzing module is used for receiving the comprehensive volume flow of the real-time cement slurry from the measuring and calculating unit and analyzing the received comprehensive volume flow by using a statistical analysis processing algorithm;
the control feedback module is used for sending an adjusting control command to the feed pump control module and the flow stabilizing module in the flow regulating and controlling unit based on the data analysis result so as to adjust the speed of the feed pump and adjust the flow stabilizing valve.
As a further improvement of the technical scheme, the system maintenance unit comprises a periodic inspection module, an automatic cleaning module and a safety monitoring system;
The periodic inspection module is used for periodically inspecting mechanical and electronic equipment in the system and comprises a sensor, a pump and a valve;
the automatic cleaning module is used for starting cleaning programs to automatically clean equipment and pipelines at regular time;
The safety monitoring system is used for monitoring the running state of the system and monitoring pressure and temperature parameters in real time.
Compared with the prior art, the invention has the beneficial effects that:
1. In the cement fluid flow measurement system, the intelligent optical acoustic flow calculation technology is used for measuring and calculating the comprehensive volume flow of cement slurry, so that the movement state of fluid can be accurately monitored in real time, the control of the production process is optimized, and the raw material waste and the production cost caused by measurement errors are reduced.
2. In the cement fluid flow measurement system, the accuracy of measurement data and the response speed of the system can be effectively improved by integrating multi-sensor data fusion and intelligent algorithm analysis, and the refinement of flow control and the efficient operation of the production process are ensured.
Drawings
Fig. 1 is an overall flow diagram of the present invention.
The meaning of each reference sign in the figure is:
1. a flow rate control unit; 2. a condition optimizing unit; 3. a measurement calculation unit; 4. a flow feedback unit; 5. and a system maintenance unit.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples
Referring to fig. 1, there is provided a cement fluid flow measurement system comprising:
A flow regulating unit 1 for stably supplying cement paste to the measurement calculating unit 3 and receiving feedback from the flow feedback unit 4 to regulate the flow;
the flow regulating unit 1 comprises a feed pump control module and a flow stabilizing module;
the feeding pump control module controls the plurality of feeding pumps to pump cement slurry in the storage area and push the cement slurry to the measurement and calculation unit 3;
The flow stabilizing module is used for receiving feedback from the flow feedback unit 4 to adjust the flow of the cement slurry entering the measurement and calculation unit 3, and installing a pressure sensor to realize real-time monitoring and automatic adjustment of the flow.
Further comprising a condition optimizing unit 2, the condition optimizing unit 2 being used for filtering the cement slurry from the flow regulating unit 1 and adjusting the temperature and pressure of the cement slurry;
the condition optimizing unit 2 comprises a particle filtering module and an environment adjusting module;
the particle filtering module is used for removing large particle impurities in the cement slurry, carrying out preliminary natural sedimentation on heavier solid particles in the cement slurry in a sedimentation tank by utilizing the gravity principle, intercepting the impurity particles larger than the medium aperture by utilizing a screen, and preventing the particles from entering a subsequent measuring system so as to avoid damaging a sensor or affecting the accuracy of the sensor;
the environment adjusting module is used for adjusting the temperature and the pressure of the cement slurry, adjusting the temperature to be between 5 ℃ and 35 ℃, and controlling the pressure to be between 1 and 10Bar, so that the ideal measuring condition is ensured before the cement slurry enters the measuring unit;
The physical and chemical states of the cement slurry are finely controlled through the condition optimization unit, a stable and controllable working environment is provided for the whole cement volume flow measurement system, the measurement accuracy and reliability are improved, and the efficiency and the product quality of the whole production line are improved.
The system further comprises a measurement and calculation unit 3, wherein the measurement and calculation unit 3 collects and synthesizes optical and acoustic sensor data, and uses intelligent optical acoustic flow calculation technology to measure and calculate the comprehensive volume flow of the cement slurry;
the measurement and calculation unit 3 comprises a fluid modeling module, an image capturing and processing module, an ultrasonic measurement module and a flow calculation module;
The fluid modeling module is used for modeling the flow characteristics of cement paste; the image capture processing module captures images of the flowing cement slurry using a high speed camera; the ultrasonic measuring module measures the volume flow of the cement slurry by using an ultrasonic sensor array; the flow calculation module uses data fusion techniques to optimize the measurement of volumetric flow in combination with optical and acoustic measurements.
The intelligent optical acoustic flow computing technology is realized based on advanced image processing and acoustic signal analysis and is used for accurately measuring the volume flow of the cement paste, and the specific steps involved in measuring and computing the volume flow of the cement paste by using the intelligent optical acoustic flow computing technology are as follows:
S3.1, modeling the flow characteristic of cement paste in a fluid modeling module, and changing the shear rate And measuring the corresponding shear stressFitting generalized Newtonian fluid model through nonlinear regression method to find optimal consistency indexAnd flow behavior index
Wherein, Is shear stress in pascals; For shear rate, the units are ;Is the fluid consistency index in units ofIs a flow behavior index;
S3.2, capturing images of the flowing cement slurry by using an image capturing and processing module through a high-speed camera, and calculating each frame of image in the process of using an image processing algorithm Sobel operator AndBrightness gradient in directionAndAnd calculating velocity vectors of particles between successive frames using an optical flow algorithmAndAnd calculate the optical flow rateAnd optical volume flow;
S3.3, measuring the acoustic flow velocity of the cement slurry fluid by using the Doppler frequency shift of the ultrasonic sensor array by using the ultrasonic measuring moduleAnd acoustic volume flow
S3.4, fusion acoustic volume flowAnd optical volume flowCalculation of integrated volumetric flow using weighted average
Wherein the generalized Newtonian fluid model is a mathematical model describing the behavior of fluid viscosity as a function of shear rate, applicable to fluids whose viscosity is not constant, but depends on the applied shear rate;
The optical flow algorithm is used for calculating the optical flow velocity in the S3.2 The specific mathematical formula involved is as follows:
Streamer equation:
wherein, A brightness gradient in the x-direction for each frame image; A brightness gradient in the y direction for each frame image; And A velocity vector for each pixel; Is the total number of velocity vectors; Is the optical flow rate; is the optical volume flow; Is a cross-sectional area;
the optical flow algorithm is a computer vision technology and is used for estimating the motion speed and direction of pixel points in an image sequence;
In S3.3, the volume flow of the cement paste is measured by using an ultrasonic sensor array The calculation method of (1) is as follows:
wherein, Is the doppler shift, i.e., the difference between the received frequency and the transmitted frequency; Is the speed of sound in the medium; Is the emitted ultrasonic frequency; is the included angle between the ultrasonic wave propagation direction and the flow velocity direction; is the acoustic flow rate; Is a cross-sectional area;
Wherein the ultrasonic sensor array is a group of ultrasonic sensors arranged in a certain geometric arrangement and is used for accurately measuring the flow velocity and the volume flow of cement slurry;
Fusion of acoustic volume flow in S3.4 And optical volume flowCalculation of integrated volumetric flow using weighted averageThe mathematical model formula involved is as follows:
wherein, Is the integrated volume flow; For optically measuring the flow rate The weight of the corresponding volume flow calculation result; for flow rates based on optical measurements A calculated volumetric flow rate; For optically measuring the flow rate The weight of the corresponding volume flow calculation result; for flow rates based on optical measurements Calculated volumetric flow.
The system further comprises a flow feedback unit 4, wherein the flow feedback unit 4 is used for receiving the comprehensive volume flow from the measurement and calculation unit 3 and analyzing the comprehensive volume flow to feed back to the flow regulation and control unit 1;
the flow feedback unit 4 comprises a receiving and analyzing module and a control feedback module;
The receiving and analyzing module is used for receiving the comprehensive volume flow of the real-time cement slurry from the measuring and calculating unit 3 and analyzing the received comprehensive volume flow by using a statistical analysis processing algorithm;
The control feedback module is used for sending an adjusting control command to the feed pump control module and the flow stabilizing module in the flow regulating unit 1 based on the data analysis result so as to adjust the feed pump speed and adjust the flow stabilizing valve.
Wherein the statistical analysis processing algorithm is used for processing and analyzing a series of mathematical and statistical methods of the integrated volume flow data from the measurement calculation unit (3), including an autoregressive model, a moving average model and an autoregressive moving average model;
A system maintenance unit 5, wherein the system maintenance unit 5 is used for performing periodic system inspection and maintenance;
The system maintenance unit 5 comprises a periodic inspection module, an automatic cleaning module and a safety monitoring system;
The periodic inspection module is used for periodically inspecting mechanical and electronic equipment in the system and comprises a sensor, a pump and a valve;
the automatic cleaning module is used for starting cleaning programs to automatically clean equipment and pipelines at regular time;
The safety monitoring system is used for monitoring the running state of the system and monitoring pressure and temperature parameters in real time.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present invention, and are not intended to limit the invention, and that various changes and modifications may be made therein without departing from the spirit and scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (6)

1.一种水泥流体流量测量系统,其特征在于:包括:1. A cement fluid flow measurement system, characterized in that it includes: 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), the flow control unit (1) being used to stably supply cement slurry to the measurement and calculation unit (3), and to receive feedback from the flow feedback unit (4) to adjust the flow; 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;A condition optimization unit (2), the condition optimization unit (2) being used to filter the cement slurry from the flow control unit (1) and to adjust the temperature and pressure of the cement slurry; 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;A measuring and calculating unit (3), wherein the measuring and calculating unit (3) 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(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);A flow feedback unit (4), the flow feedback unit (4) being used to receive the comprehensive volume flow from the measurement and calculation unit (3), analyze the comprehensive volume flow, and feed back the comprehensive volume flow to the flow control unit (1); 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;A system maintenance unit (5), the system maintenance unit (5) being used to perform regular system inspection and maintenance; 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方向上的亮度梯度,并运用光流算法计算颗粒在连续帧之间的速度向量并推算光学流速和光学体积流量;S3.2, use the image capture processing module to use a high-speed camera to capture the flowing cement slurry image, 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 ; 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: 光流方程: Optical flow 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,为每一帧图像在时刻的亮度梯度;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, For each frame of image Brightness gradient at each moment; 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; 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; 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. 2.根据权利要求1所述的水泥流体流量测量系统,其特征在于: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;2. The cement fluid flow measurement system according to claim 1, characterized in that: the flow control unit (1) comprises 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 a plurality of feed pumps to extract cement slurry from the storage area and pushes 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 is equipped with a pressure sensor to achieve real-time monitoring and automatic adjustment of the flow. 3.根据权利要求1所述的水泥流体流量测量系统,其特征在于:所述条件优化单元(2)包括颗粒过滤模块和环境调节模块;3. The cement fluid flow measurement system according to claim 1, characterized in that: the condition optimization unit (2) comprises 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。The physical and chemical state of cement paste is finely controlled by the condition optimization unit. 4.根据权利要求1所述的水泥流体流量测量系统,其特征在于: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;4. The cement fluid flow measurement system according to claim 1, characterized in that: the measurement and calculation unit (3) comprises 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. 5.根据权利要求1所述的水泥流体流量测量系统,其特征在于:所述流量反馈单元(4)包含接收分析模块和控制反馈模块;5. The cement fluid flow measurement system according to claim 1, characterized in that: the flow feedback unit (4) comprises 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 a regulation control command to the feed pump control module and the flow stabilization module in the flow control unit (1) based on the data analysis result, so as to regulate the feed pump speed and adjust the flow stabilization valve. 6.根据权利要求1所述的水泥流体流量测量系统,其特征在于: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;6. The cement fluid flow measurement system according to claim 1, characterized in that: the system maintenance unit (5) comprises 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.
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