Intelligent slurry circulating and supplementing control system suitable for punching pile

Abstract

The invention relates to the technical field of civil engineering, in particular to an intelligent slurry circulation and supplement control system suitable for a punching pile, which comprises a slurry monitoring module, a central control module, an intelligent slurry supplement decision module, a slurry proportioning module, a temperature regulation and control module and a slurry circulation management module, wherein the mud monitoring module is used for collecting data of mud; the central control module is used for comprehensively analyzing the slurry; the intelligent slurry supplementing decision-making module is used for calculating the slurry supplementing time, the slurry supplementing amount and the slurry formula; the mud proportioning module is used for dynamically adjusting the proportion of mud; the temperature regulation and control module is used for regulating the temperature of the slurry; and the slurry circulation management module is used for controlling the flowing speed and the flowing direction of the slurry. Through real-time monitoring and automatic adjustment of slurry attributes, the construction efficiency and safety are remarkably improved, meanwhile, the adaptability of the system to complex construction conditions is enhanced, and efficient utilization of resources and sustainability of the environment are promoted.

Description

Technical Field

[0001] The invention relates to the technical field of civil engineering, and in particular to a mud intelligent circulation and grouting control system suitable for bored piles. Background Art

[0002] In modern civil engineering, mud plays a vital role in bored pile construction. It is mainly used to maintain the stability of the hole wall, transport cutting materials and prevent the well wall from collapsing. The traditional mud circulation and grouting system relies on experience judgment and manual monitoring to adjust the mud ratio, temperature and fluidity. These methods often lack accuracy and response speed, especially under complex geological and changeable environmental conditions. This method is even more inadequate. The physical properties of mud, such as viscosity, temperature and solid particle distribution, have a significant impact on construction, and traditional methods have obvious shortcomings in real-time monitoring and dynamic adjustment of these parameters.

[0003] In view of the limitations of the existing technology, the present invention aims to solve multiple technical problems in the mud management process, especially how to accurately regulate the mud ratio, temperature and fluidity in real time to adapt to the ever-changing construction conditions. The existing technology fails to provide an effective system to comprehensively process these key parameters of the mud, resulting in low construction efficiency and increased safety risks.

[0004] Therefore, developing an intelligent mud circulation and grouting control system that can monitor the state of the mud in real time and dynamically adjust the mud ratio and temperature according to preset construction standards has important practical significance and broad application prospects for improving construction safety, efficiency and reducing costs. Summary of the invention

[0005] Based on the above purpose, the present invention provides a mud intelligent circulation and grouting control system suitable for bored piles.

[0006] The intelligent mud circulation and grouting control system applicable to bored piles includes a mud monitoring module, a central control module, an intelligent grouting decision module, a mud proportioning module, a temperature control module and a mud circulation management module; among which:

[0007] Mud monitoring module: deployed in the mud circulation pipeline and construction site, used to collect data on mud density, viscosity, flow rate and temperature in real time, and transmit the data to the central control module;

[0008] Central control module: Based on the real-time data provided by the mud monitoring module, it conducts a comprehensive analysis of the fluidity, stability and temperature adaptability of the mud, determines whether the mud currently meets the preset construction standards, and transmits the analysis results to the intelligent grouting decision module;

[0009] Intelligent grouting decision module: Based on the comprehensive analysis data transmitted by the central control module and combined with the construction conditions, it calculates and determines the grouting time, grouting amount and mud formula, and transmits the decision results to the mud proportioning module;

[0010] Mud proportioning module: According to the calculation results of the intelligent grouting decision module, the proportion of water, mud and additives in the mud is dynamically adjusted to achieve automatic proportioning;

[0011] Temperature control module: used to adjust the temperature of the mud according to the temperature adaptability analysis results of the central control module;

[0012] Mud circulation management module: Based on the data from the mud proportioning module and the temperature control module, the flow speed and direction of the mud are controlled to ensure the continuous circulation of the mud during construction.

[0013] Optionally, the mud monitoring module includes a density sensing unit, a viscosity sensing unit, a flow rate sensing unit and a temperature sensing unit; wherein:

[0014] Density sensing unit: deployed at a predetermined position of the mud circulation pipeline, used to detect the density of the mud in real time, calculate the mud density by measuring the content of solid particles in the mud and the total weight of the mud, and transmit it to the central control module;

[0015] Viscosity sensing unit: deployed at the inlet and outlet of the mud circulation pipeline, it measures the shear stress and flow velocity of the mud through a rotary or vibrating sensor to obtain the viscosity value of the mud in real time and transmit the measurement results to the central control module;

[0016] Flow rate sensing unit: installed in the straight section of the mud circulation pipeline, measures the flow rate of the mud through an ultrasonic or electromagnetic flowmeter and sends the data to the central control module;

[0017] Temperature sensing unit: It is arranged at the predetermined nodes of the mud circulation pipeline and in the mud pool at the construction site. It monitors the temperature data of the mud in real time through the temperature sensor and transmits the temperature data to the central control module in real time.

[0018] Optionally, the central control module includes a data receiving unit, a fluidity analysis unit, a stability evaluation unit, a temperature adaptability evaluation unit and a standard matching unit; wherein:

[0019] Data receiving unit: used to receive the real-time collected mud density, viscosity, flow rate and temperature data from the mud monitoring module, and process the data in a unified format so that all data belong to the same dimension;

[0020] Fluidity analysis unit: Based on the viscosity and flow rate data provided by the data receiving unit, by analyzing the flow rate change and viscosity value of the mud, evaluate whether the fluidity of the mud in the pipeline meets the construction requirements, including whether the mud flows smoothly and whether there is flow resistance;

[0021] Stability evaluation unit: used to analyze density and viscosity data and evaluate the stability of mud during circulation. Specifically, by detecting the distribution of solid particles in the mud and the change in viscosity, it can be determined whether the mud has stratification, sedimentation or agglomeration.

[0022] Temperature adaptability evaluation unit: evaluates the adaptability of mud under different temperature conditions according to the temperature data provided by the data receiving unit, specifically by analyzing whether the mud temperature is within the temperature range required for construction, and judging the impact of temperature changes on mud performance;

[0023] Standard matching unit: compares the analysis results of the fluidity analysis unit, stability assessment unit and temperature adaptability assessment unit with the preset construction standards to determine whether the various performance parameters of the mud meet the construction requirements.

[0024] Optionally, the liquidity analysis unit includes:

[0025] Flow rate data acquisition: The flow rate data of the mud at different positions in the pipeline are obtained from the data receiving unit, which are expressed as v m 1, v m 2, ..., v m n, and determine the velocity difference Δv at each measuring point m , the formula is: Δv m =v m 2-v m 1;

[0026] Viscosity data acquisition: Get the real-time viscosity data μ provided by the data receiving unit m ;

[0027] Fluidity assessment: Based on the viscosity value μ of the mud m and velocity difference Δv m , calculate the flow resistance F of the mud m , the calculation formula is: Where L m is the mud flow length;

[0028] Smoothness assessment: through flow resistance F m and velocity difference Δv m The analysis is used to evaluate the smoothness of the mud flow in the pipeline. m Below the preset threshold F threshold , and the velocity difference Δv mWhen it is within the allowable range, the mud is considered to flow smoothly and meet the construction requirements; otherwise, there is flow resistance.

[0029] Optionally, the stability assessment unit includes:

[0030] Solid particle distribution data acquisition: obtain solid particle concentration data C at different positions in the mud from the data receiving unit s1 , C s2 , ..., C sn , where each C si Represents the solid particle concentration of the mud at different locations;

[0031] Solid particle distribution gradient calculation: Calculate the gradient G of solid particle concentration in mud s , which is used to evaluate the uniformity of solid particle distribution in the mud. The calculation formula is: Among them, G s is the solid particle concentration gradient, L s is the distance between the solid particle detection points;

[0032] Viscosity change data acquisition: Obtain the viscosity data μ of the mud at different locations or time periods from the data receiving unit m1 , μ m2 , ...μ mn ;

[0033] Viscosity change rate calculation: Calculate the change rate of mud viscosity R μ , evaluate the viscosity change of mud at different locations or time periods. The specific calculation formula is: Among them, R μ is the viscosity change rate, Δt is the time difference or position difference;

[0034] Stability judgment: According to the solid particle distribution gradient G s and viscosity change rate R μ , to judge the stability of the mud, specifically when the solid particle distribution gradient G s Exceeding the preset threshold G threshold , or the viscosity change rate R μ Exceeding the preset threshold R threshold , the mud is considered to have stratification, sedimentation or agglomeration; otherwise, the mud is considered to be stable.

[0035] Optionally, the temperature adaptability evaluation unit includes:

[0036] Temperature data acquisition: Get the real-time temperature data T1, T2, ..., T of the mud at different locations from the data receiving unit n , providing basic data for subsequent analysis;

[0037] Temperature range adaptability analysis: Temperature data T1, T2, ..., T n With the preset construction temperature range T min and T max Compare and calculate whether the mud temperature is within the temperature range required for construction. The specific judgment formula is:

[0038] Among them, an adaptability index of 1 indicates good temperature adaptability, and an adaptability index of 0 indicates no adaptability;

[0039] Analysis of the effect of temperature on viscosity: According to the temperature data T i and the viscosity of the mud m , using the empirical formula of mud viscosity changing with temperature, the effect of temperature on mud viscosity is calculated. The effect of temperature on viscosity is specifically expressed by the following empirical formula: Among them, μ mT is the temperature T i Viscosity value under m0 is the viscosity at the reference temperature T0, α is the temperature sensitivity coefficient of the mud;

[0040] Evaluation of the effect of temperature on fluidity: Combined with the calculated effect of temperature on viscosity, the effect of temperature change on mud fluidity is analyzed, and the fluidity change ΔF m Viscosity change Δμ m Influence of flow resistance F m , the specific calculation formula is: Among them, F m0 is the flow resistance at the reference temperature, ΔF m It represents the incremental effect of temperature change on flow resistance;

[0041] Comprehensive evaluation of temperature adaptability: By combining the analysis results of the above steps, a comprehensive evaluation index of temperature adaptability is generated. T , which is used to quantify the performance adaptability of mud under current temperature conditions. The specific weight calculation is based on the influence of temperature on viscosity and fluidity. The formula is: I T =w1×adaptability index+w2×ΔF m , where w1 and w2 are weight coefficients related to temperature adaptability and fluidity, respectively.

[0042] Optionally, the intelligent grouting decision module includes a data receiving and condition analysis unit, a grouting demand calculation unit, a grouting time determination unit, a mud formula optimization unit and a grouting instruction generation unit; wherein:

[0043] Data receiving and condition analysis unit: used to receive comprehensive analysis data from the central control module, including parameters of mud fluidity, stability, and temperature adaptability, and obtain real-time condition data of the construction site, including construction depth and soil characteristics, and normalize all data to ensure unified data dimensions;

[0044] Grouting demand calculation unit: According to the current mud fluidity F m and construction conditions S, calculate the grouting demand Q m ;

[0045] Grouting time determination unit: Combine construction progress and slurry consumption rate R m , calculate the optimal grouting time T m ;

[0046] Mud formula optimization unit: optimizes the mud formula and determines the ratio of water, mud and additives based on the current temperature adaptability analysis results, stability assessment data and fluidity parameters. w , P m , P a To meet the construction requirements;

[0047] Grouting instruction generation unit: used to generate specific grouting instructions, including grouting time T m , grouting amount Q m And the optimized mud formula P w , P m , P a .

[0048] Optionally, the mud proportioning module includes a proportioning data receiving unit, a proportion control unit, a mixing uniformity control unit, and a flow monitoring and feedback unit; wherein:

[0049] Proportion data receiving unit: used to receive the optimized water, mud and additive ratio coefficient P from the intelligent grouting decision module w , P m , P a And the grouting demand Q m Instructions;

[0050] Proportional control unit: used to receive the proportional coefficient P w , P m , P a , dynamically adjust the supply of each raw material, specifically through electronic control valves and flow meters, respectively control the inflow rate of water, mud and additives;

[0051] Mixing uniformity control unit: includes a multi-stage stirring device and a real-time monitoring sensor to ensure the uniform distribution of water, mud and additives during the mixing process. Specifically, it dynamically adjusts the stirring intensity S by monitoring the viscosity and density of the mud.f ;

[0052] Flow monitoring and feedback unit: used to monitor the flow data of water, mud and additives in real time and compare them with the preset ratio. When a deviation between the actual flow and the set flow is detected, the opening of the electronic control valve is immediately adjusted through the feedback loop. v , in order to correct the ratio error.

[0053] Optionally, the temperature control module includes a temperature data receiving unit, a temperature control instruction generating unit and a temperature control executing unit; wherein:

[0054] Temperature data receiving unit: used to receive temperature adaptability analysis results T from the central control module a The analysis results include the current mud temperature data T m Temperature range T required for construction min and T max The comparison results of

[0055] Temperature adjustment instruction generating unit: used to receive the temperature data according to the T a , determine whether the mud temperature needs to be adjusted. If the mud temperature T m If the construction temperature range is exceeded, a temperature adjustment instruction C is generated. t , used to instruct the heater or cooler to perform corresponding operations. The generation logic of the temperature adjustment instruction is:

[0056]

[0057] Temperature adjustment execution unit: used to receive temperature adjustment instructions C t , by controlling the heater or cooler, the temperature of the mud is adjusted, and the working intensity of the heater or cooler P t Adjust according to the mud temperature deviation ΔT, the adjustment formula is: P t =K t ×ΔT, where ΔT=|T m -T target |, T target is the target value of construction temperature, K t is the temperature adjustment coefficient.

[0058] Optionally, the mud circulation management module includes a flow data receiving unit, a flow velocity control unit, a flow direction control unit, and a flow monitoring and feedback unit; wherein:

[0059] Flow data receiving unit: used to receive the current mud proportion information P from the mud proportioning module w , P m , P a and flow demand Qm and receives the real-time temperature T of the mud from the temperature control module m ;

[0060] Flow rate control unit: according to the received flow demand Q m and the temperature of the mud T m The flow rate control unit adjusts the speed N of the circulation pump p To control the flow velocity v of the mud m ; The calculation formula of mud flow velocity is: Among them, K v is the pump speed coefficient, T ref is the preset reference temperature;

[0061] Flow direction control unit: used to control the flow direction of mud by adjusting the electronic control valve in the pipeline;

[0062] Flow monitoring and feedback unit: used to monitor the flow velocity of mud in real time m and flow direction θ v , compare the actual flow conditions with the preset targets. If deviations are detected, the speed of the circulation pump and the opening of the control valve are adjusted through the feedback loop to make the mud flow state meet the construction requirements.

[0063] Beneficial effects of the present invention:

[0064] The present invention significantly improves the efficiency and safety of the construction process by real-time monitoring and automatic adjustment of the physical properties of the mud, such as temperature, viscosity and solid particle distribution. The function of automatically adjusting the mud ratio and temperature reduces the need for manual intervention, while reducing the risk of construction interruption or failure due to unsuitable mud conditions. The high degree of automation of the system ensures the stability of the mud and avoids errors that may occur in manual adjustment, thereby reducing the accident rate and maintenance costs during construction.

[0065] The present invention improves the system's adaptability to complex construction conditions by dynamically adjusting the mud ratio according to different geological and environmental conditions. This dynamic adjustment capability makes the mud circulation system more flexible and able to cope with various sudden geological changes and ensure construction quality. At the same time, optimized mud use reduces resource waste and supports environmental sustainability goals. BRIEF DESCRIPTION OF THE DRAWINGS

[0066] In order to more clearly illustrate the technical solutions in the present invention or the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings in the following description are only for the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0067] Figure 1 Schematic diagram of an intelligent circulation and grouting control system according to an embodiment of the present invention;

[0068] Figure 2 Schematic diagram of a central control module according to an embodiment of the present invention. DETAILED DESCRIPTION

[0069] The present invention is described in detail below in conjunction with the accompanying drawings and specific embodiments. At the same time, it is explained here that in order to make the embodiments more detailed, the following embodiments are the best and preferred embodiments, and those skilled in the art may also adopt other alternatives to implement some known technologies; and the accompanying drawings are only for more specific description of the embodiments, and are not intended to specifically limit the present invention.

[0070] It should be noted that the references to "one embodiment", "an embodiment", "an exemplary embodiment", "some embodiments" and the like in the specification indicate that the embodiments described may include specific features, structures or characteristics, but not every embodiment may include the specific features, structures or characteristics. In addition, when a specific feature, structure or characteristic is described in conjunction with an embodiment, it should be within the knowledge of a person skilled in the art to implement such feature, structure or characteristic in conjunction with other embodiments (whether or not explicitly described).

[0071] In general, a term can be understood, at least in part, from its use in context. For example, depending, at least in part, on the context, the term "one or more" as used herein can be used to describe any feature, structure, or characteristic in the singular sense, or can be used to describe a combination of features, structures, or characteristics in the plural sense. Additionally, the term "based on" can be understood as not necessarily intended to convey an exclusive set of factors, but can instead, depending, at least in part, on the context, allow for the presence of other factors that are not necessarily explicitly described.

[0072] like Figure 1-Figure 2 As shown, the intelligent mud circulation and grouting control system suitable for bored piles includes a mud monitoring module, a central control module, an intelligent grouting decision module, a mud proportioning module, a temperature control module and a mud circulation management module; wherein:

[0073] Mud monitoring module: deployed in the mud circulation pipeline and construction site, used to collect data on mud density, viscosity, flow rate and temperature in real time, and transmit the data to the central control module to provide data support for subsequent decision-making and regulation;

[0074] Central control module: Based on the real-time data provided by the mud monitoring module, the fluidity, stability and temperature adaptability of the mud are comprehensively analyzed to determine whether the mud currently meets the preset construction standards, such as whether the viscosity is moderate, whether the flow rate is stable, and whether the temperature is appropriate. The analysis results are transmitted to the intelligent grouting decision module to support its grouting decision;

[0075] Intelligent grouting decision module: Based on the comprehensive analysis data transmitted by the central control module and combined with the construction conditions, it calculates and determines the grouting time, grouting amount and mud formula, and transmits the decision results to the mud proportioning module to ensure that the performance of the grouting mud matches the original mud;

[0076] Mud Proportioning Module: According to the calculation results of the intelligent grouting decision module, the ratio of water, mud and additives in the mud is dynamically adjusted to achieve automatic proportioning, and the adjusted mud information is transmitted to the mud circulation management module to support mud circulation management;

[0077] Temperature control module: used to adjust the temperature of the mud according to the temperature adaptability analysis results of the central control module to ensure that the mud maintains a suitable working state under different temperature conditions;

[0078] Mud circulation management module: Based on the data from the mud proportioning module and the temperature control module, the flow speed and direction of the mud are controlled to ensure the continuous circulation of the mud during construction.

[0079] The mud monitoring module includes a density sensing unit, a viscosity sensing unit, a flow rate sensing unit and a temperature sensing unit; wherein:

[0080] Density sensing unit: deployed at a predetermined position of the mud circulation pipeline, used to detect the density of the mud in real time, calculate the mud density by measuring the content of solid particles in the mud and the total weight of the mud, and transmit it to the central control module;

[0081] The steps for calculating the above mud density are as follows:

[0082] Measurement of solid particle content: Assume that the volume of solid particles in the mud is V s , mass is m s ;

[0083] Measurement of total mud weight: The total weight W of the mud is measured by a weight sensor m (including solid particles and liquids) for subsequent density calculation;

[0084] Density calculation: Assume the mud density is ρ m , the calculation formula is: Among them, ρ m V is the density of the mud, in kilograms per cubic meter; mis the volume of the mud, V m The specific flow area A of the mud can be m and flow length L m The calculation formula is: V m =A m ×L m , where A m is the mud flow cross-sectional area, in square meters; L m is the mud flow length in meters.

[0085] Viscosity sensing unit: deployed at the inlet and outlet of the mud circulation pipeline, it measures the shear stress and flow velocity of the mud through a rotary or vibrating sensor to obtain the viscosity value of the mud in real time. This value is used to evaluate the flow performance of the mud, and the measurement results are transmitted to the central control module;

[0086] The steps for calculating the viscosity value of the above mud are as follows:

[0087] Shear stress measurement: The shear stress τ of the mud is measured by a rotating or vibrating sensor m ;

[0088] Flow velocity measurement: The flow velocity v of the mud is measured by a flow velocity sensor m ;

[0089] Calculation of viscosity: According to the Newtonian fluid model, the dynamic viscosity of the mud is μ m Calculated by the following formula: Among them, μ m is the dynamic viscosity of the mud, in Pascal seconds; is the velocity gradient, in reciprocal seconds;

[0090] Assuming the mud flows in the tube in laminar flow, the velocity gradient Approximately the flow velocity v m With the pipe radius r m The ratio of the viscosity μ m The formula is: where r m is the pipe radius in meters.

[0091] Flow rate sensing unit: installed in the straight section of the mud circulation pipeline, it measures the flow rate of the mud through an ultrasonic or electromagnetic flowmeter to ensure the accuracy of the flow rate data, monitor the flow of the mud in the pipeline, and send the data to the central control module;

[0092] Temperature sensing unit: arranged at the predetermined nodes of the mud circulation pipeline and in the mud pool at the construction site, the temperature data of the mud is monitored in real time through the temperature sensor to ensure the adaptability of the mud under different ambient temperatures, and the temperature data is transmitted to the central control module in real time; the above-mentioned sensing units are connected to the central control module by wired or wireless means to ensure efficient transmission and accurate processing of data, and realize real-time monitoring and analysis of the mud status. The layout position of each sensing unit in the mud circulation pipeline is precisely designed to ensure that the physical property changes of the mud at different positions can be fully and accurately monitored.

[0093] The central control module includes a data receiving unit, a fluidity analysis unit, a stability evaluation unit, a temperature adaptability evaluation unit and a standard matching unit; wherein:

[0094] Data receiving unit: used to receive the real-time collected mud density, viscosity, flow rate and temperature data from the mud monitoring module. The data receiving unit ensures that the data from all sensors flow into the central control module and processes the data in a unified format so that all data belong to the same dimension, providing data support for subsequent analysis units;

[0095] Fluidity analysis unit: Based on the viscosity and flow rate data provided by the data receiving unit, by analyzing the flow rate change and viscosity value of the mud, evaluate whether the fluidity of the mud in the pipeline meets the construction requirements, including whether the mud flows smoothly and whether there is flow resistance;

[0096] Stability evaluation unit: used to analyze density and viscosity data and evaluate the stability of mud during circulation. Specifically, by detecting the distribution of solid particles in the mud and the change in viscosity, it can be determined whether the mud has stratification, sedimentation or agglomeration.

[0097] Temperature adaptability evaluation unit: evaluates the adaptability of mud under different temperature conditions according to the temperature data provided by the data receiving unit, specifically by analyzing whether the mud temperature is within the temperature range required for construction, and judging the impact of temperature changes on mud properties (such as viscosity and fluidity);

[0098] Standard matching unit: compares the analysis results of the fluidity analysis unit, stability assessment unit and temperature adaptability assessment unit with the preset construction standards to determine whether the various performance parameters of the mud meet the construction requirements, and generates an analysis report for reference by the intelligent grouting decision module; the central control module realizes a comprehensive analysis of the mud through the collaborative work of the above units to ensure that the various performance parameters of the mud during construction meet the preset standards, thereby providing guarantee for the construction quality.

[0099] The liquidity analysis unit includes:

[0100] Flow rate data acquisition: The flow rate data of the mud at different positions in the pipeline are obtained from the data receiving unit, which are expressed as v m 1, v m 2, ..., v m n, and determine the velocity difference Δv at each measuring point m , the formula is: Δv m =v m 2-v m 1. Used to evaluate whether there is uneven flow of mud in the pipeline;

[0101] Viscosity data acquisition: Get the real-time viscosity data μ provided by the data receiving unit m , used to evaluate whether the fluidity of mud at different flow rates meets expectations;

[0102] Fluidity assessment: Based on the viscosity value μ of the mud m and velocity difference Δv m , calculate the flow resistance F of the mud m (Unit: Newton), the calculation formula is: Where L m is the mud flow length (unit: meter);

[0103] Smoothness assessment: through flow resistance F m and velocity difference Δv m The analysis is used to evaluate the smoothness of the mud flow in the pipeline. m Below the preset threshold F threshold , and the velocity difference Δv m When it is within the allowable range, the mud is considered to flow smoothly and meet the construction requirements; otherwise, there is flow resistance and the mud ratio or flow rate needs to be further adjusted; through the above steps, the fluidity analysis unit can accurately evaluate the fluidity of the mud in the pipeline, determine whether it meets the construction requirements, and provide data support for subsequent control and adjustment.

[0104] The stability assessment unit includes:

[0105] Solid particle distribution data acquisition: obtain solid particle concentration data C at different positions in the mud from the data receiving unit s1 , C s2 , ..., C sn (Unit: kilograms per cubic meter), where each C si Represents the solid particle concentration of the mud at different locations. By comparing the concentration values ​​at different locations, it is determined whether the solid particles in the mud are evenly distributed;

[0106] Solid particle distribution gradient calculation: Calculate the gradient G of solid particle concentration in mud s, which is used to evaluate the uniformity of solid particle distribution in the mud. The calculation formula is: Among them, G s is the solid particle concentration gradient (unit: kilograms per cubic meter per meter), L s is the distance between solid particle detection points (unit: meter);

[0107] Viscosity change data acquisition: Obtain the viscosity data μ of the mud at different locations or time periods from the data receiving unit m1 , μ m2 , ..., μ mn (Unit: Pascal seconds), used to detect changes in the viscosity of mud in a pipeline or over time;

[0108] Viscosity change rate calculation: Calculate the change rate of mud viscosity R μ , evaluate the viscosity change of mud at different locations or time periods. The specific calculation formula is: Among them, R μ is the rate of change of viscosity (in Pascal seconds per second), Δt is the time difference (in seconds) or the position difference (in meters), depending on whether it is a change in time or space;

[0109] Stability judgment: According to the solid particle distribution gradient G s and viscosity change rate R μ , to judge the stability of the mud, specifically when the solid particle distribution gradient G s Exceeding the preset threshold G threshold , or the viscosity change rate R μ Exceeding the preset threshold R threshold , the mud is considered to have stratification, sedimentation or agglomeration, and further measures need to be taken to adjust the mud ratio or flow rate; otherwise, the mud is considered to be stable and the above problems do not exist; through the above steps, the stability assessment unit can accurately detect and assess the stratification, sedimentation or agglomeration of the mud, ensuring the uniformity and stability of the mud during the construction process.

[0110] The temperature adaptability assessment unit includes:

[0111] Temperature data acquisition: Get the real-time temperature data T1, T2, ..., T of the mud at different locations from the data receiving unit n (Unit: Celsius), ensuring that the temperature data of the mud at each location is monitored and recorded in real time, providing basic data for subsequent analysis;

[0112] Temperature range adaptability analysis: Temperature data T1, T2, ..., T n With the preset construction temperature range T min and T maxCompare and calculate whether the mud temperature is within the temperature range required for construction. The specific judgment formula is:

[0113] Among them, an adaptability index of 1 indicates good temperature adaptability, and an adaptability index of 0 indicates no adaptability;

[0114] Analysis of the effect of temperature on viscosity: According to the temperature data T i and the viscosity of the mud m , using the empirical formula of mud viscosity changing with temperature, the effect of temperature on mud viscosity is calculated. The effect of temperature on viscosity is specifically expressed by the following empirical formula: Among them, μ mT is the temperature T i Viscosity value under (unit: Pa·s), μ m0 is the viscosity at the reference temperature T0 (unit: Pa.s), α is the temperature sensitivity coefficient of the mud;

[0115] Evaluation of the effect of temperature on fluidity: Combined with the calculated effect of temperature on viscosity, the effect of temperature change on mud fluidity is analyzed, and the fluidity change ΔF m Viscosity change Δμ m Influence of flow resistance F m , the specific calculation formula is: Among them, F m0 is the flow resistance at the reference temperature (unit: N), ΔF m It represents the incremental effect of temperature change on flow resistance;

[0116] Comprehensive evaluation of temperature adaptability: By combining the analysis results of the above steps, a comprehensive evaluation index of temperature adaptability is generated. T , which is used to quantify the performance adaptability of mud under current temperature conditions. The specific weight calculation is based on the influence of temperature on viscosity and fluidity. The formula is: I T =w1×adaptability index+w2×ΔF m , where w1 and w2 are weight coefficients related to temperature adaptability and fluidity, respectively, to ensure the comprehensiveness of the evaluation results; through the above steps, the stability evaluation unit can accurately judge the adaptability of the mud under different temperature conditions, and quantitatively analyze the impact of temperature changes on the mud performance, to ensure the stability and adaptability of the mud during the construction process.

[0117] The intelligent grouting decision module includes a data receiving and condition analysis unit, a grouting demand calculation unit, a grouting time determination unit, a mud formula optimization unit and a grouting instruction generation unit; wherein:

[0118] Data receiving and condition analysis unit: used to receive comprehensive analysis data from the central control module, including parameters of mud fluidity, stability, and temperature adaptability, and obtain real-time condition data of the construction site, including construction depth and soil characteristics, and normalize all data to ensure that the data is of unified dimension and comparable;

[0119] Grouting demand calculation unit: According to the current mud fluidity F m and construction conditions S, calculate the grouting demand Q m (Unit: cubic meter), the calculation formula is: Among them, V m is the volume of the mud (unit: cubic meter), L s is the construction depth (unit: meter), C m is the concentration of mud (unit: kilograms per cubic meter), F m is the flow resistance (unit: Newton), S is the comprehensive coefficient of construction conditions;

[0120] Grouting time determination unit: Combine construction progress and slurry consumption rate R m (Unit: cubic meter per second), calculate the optimal grouting time T m (Unit: seconds), the calculation formula for grouting time is: Among them, Q m is the calculated grouting requirement, R m is the mud consumption rate;

[0121] Mud formula optimization unit: optimizes the mud formula and determines the ratio of water, mud and additives based on the current temperature adaptability analysis results, stability assessment data and fluidity parameters. w , P m , P a To meet the construction requirements, the calculation formula is: Among them, P w , P m , P a are the ratio coefficients of water, mud and additives respectively, ensuring the stable performance of mud under different conditions, T i is the temperature adaptability analysis result of the mud, S m is the mud stability evaluation data, F m is the fluidity parameter of the mud;

[0122] Grouting instruction generation unit: used to generate specific grouting instructions, including grouting time T m , grouting amount Q m And the optimized mud formula P w , P m , P a, these instructions will be transmitted to the mud proportioning module and the mud circulation management module to implement the grouting operation; through the above units, the intelligent grouting decision module can accurately calculate and determine the grouting time, grouting amount and mud formula to ensure that the performance of the mud meets the construction requirements and perform grouting operations at the most appropriate time to improve construction efficiency and quality.

[0123] The mud proportioning module includes a proportioning data receiving unit, a proportion control unit, a mixing uniformity control unit, and a flow monitoring and feedback unit; wherein:

[0124] Proportion data receiving unit: used to receive the optimized water, mud and additive ratio coefficient P from the intelligent grouting decision module w , P m , P a And the grouting demand Q m Instructions;

[0125] Proportional control unit: used to receive the proportional coefficient P w , P m , P a , dynamically adjust the supply of each raw material, specifically through electronic control valves and flow meters, respectively control the inflow rate of water, mud and additives (unit: cubic meters per second) to achieve accurate proportioning; the calculation formula for the inflow rate is: and Among them, R w is the water inflow rate, R w is the mud inflow rate, R a is the inflow rate of the additive, T m is the filling time, Q m To make up the required amount of slurry, ensure that each component is evenly mixed in proportion;

[0126] Mixing uniformity control unit: includes a multi-stage stirring device and a real-time monitoring sensor to ensure the uniform distribution of water, mud and additives during the mixing process. Specifically, it dynamically adjusts the stirring intensity S by monitoring the viscosity and density of the mud. f To ensure the uniformity of mixing, the adjustment formula of stirring intensity is: S f =K×(μ m ×ρ m ), where K is the stirring coefficient, μ m is the viscosity, ρ m is the mud density;

[0127] Flow monitoring and feedback unit: used to monitor the flow data of water, mud and additives in real time and compare them with the preset ratio. When a deviation between the actual flow and the set flow is detected, the opening of the electronic control valve is immediately adjusted through the feedback loop. v(Unit: degree) to correct the ratio error, the adjustment formula is: θ v =θ v +Δθ, where Δθ is the correction angle calculated according to the flow deviation; through the above units, the mud proportioning module can dynamically adjust the proportion of each component in the mud according to the calculation results of the intelligent grouting decision module, realize automatic proportioning, and ensure the continuous stability and adaptability of the mud performance during the construction process.

[0128] The temperature control module includes a temperature data receiving unit, a temperature control instruction generating unit and a temperature control executing unit; wherein:

[0129] Temperature data receiving unit: used to receive temperature adaptability analysis results T from the central control module a The analysis results include the current mud temperature data T m (Unit: Celsius) and the temperature range T required for construction min and T max The comparison results are used as a reference for temperature control;

[0130] Temperature adjustment instruction generating unit: used to receive the temperature data according to the T a , determine whether the mud temperature needs to be adjusted. If the mud temperature T m If the construction temperature range is exceeded, a temperature adjustment instruction C is generated. t , used to instruct the heater or cooler to perform corresponding operations. The generation logic of the temperature adjustment instruction is:

[0131]

[0132] Temperature adjustment execution unit: used to receive temperature adjustment instructions C t , by controlling the heater or cooler, the temperature of the mud is adjusted, and the working intensity of the heater or cooler P t (Unit: Watt) is adjusted according to the mud temperature deviation ΔT, and the adjustment formula is: P t =K t ×ΔT, where ΔT=|T m -T target |, T target is the target value of construction temperature, K t is the temperature regulation coefficient; through the above units, the temperature control module can accurately adjust the temperature of the mud according to the temperature adaptability analysis results of the central control module, ensuring that the temperature of the mud is always within an appropriate range during the construction process, thereby ensuring the performance of the mud and the construction quality.

[0133] The mud circulation management module includes a flow data receiving unit, a flow velocity control unit, a flow direction control unit, and a flow monitoring and feedback unit; wherein:

[0134] Flow data receiving unit: used to receive the current mud proportion information P from the mud proportioning module w , P m , P a and flow demand Q m and receives the real-time temperature T of the mud from the temperature control module m , the received data are uniformly processed as the basis for controlling the speed and direction of mud flow;

[0135] Flow rate control unit: according to the received flow demand Q m and the temperature of the mud T m The flow rate control unit adjusts the speed N of the circulation pump p (Unit: revolutions per minute) to control the flow velocity v of the mud m (Unit: meters per second); The calculation formula for mud flow velocity is: Among them, K v is the pump speed coefficient, T ref The preset reference temperature ensures that the mud maintains an appropriate flow rate under different temperature conditions;

[0136] Flow direction control unit: used to control the flow direction of the mud by adjusting the electronic control valve in the pipeline (unit: degree), determine the flow path of the mud in different construction areas according to construction requirements, and ensure that the mud is evenly distributed to each construction point;

[0137] Flow monitoring and feedback unit: used to monitor the flow velocity of mud in real time m and flow direction θ v , compare the actual flow conditions with the preset targets. If deviations are detected, the speed of the circulation pump and the opening of the control valve are adjusted through the feedback loop to make the mud flow state meet the construction requirements. Through the above steps, the mud circulation management module can effectively coordinate the data of the mud proportioning module and the temperature control module, accurately control the flow speed and direction of the mud, ensure the continuous circulation and uniform distribution of the mud during construction, and thus improve the construction quality and efficiency.

[0138] The present invention covers any substitution, modification, equivalent method and scheme made on the essence and scope of the present invention. In order to make the public have a thorough understanding of the present invention, specific details are described in detail in the following preferred embodiments of the present invention, but those skilled in the art can fully understand the present invention without the description of these details. In addition, in order to avoid unnecessary confusion about the essence of the present invention, well-known methods, processes, procedures, components and circuits are not described in detail.

[0139] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. Applicable to the intelligent mud circulation and grouting control system for bored piles, characterized in that: It includes mud monitoring module, central control module, intelligent slurry replenishment decision module, mud proportioning module, temperature control module and mud circulation management module; among which: Mud monitoring module: deployed in the mud circulation pipeline and construction site, used to collect data on mud density, viscosity, flow rate and temperature in real time, and transmit the data to the central control module; Central control module: Based on the real-time data provided by the mud monitoring module, it conducts a comprehensive analysis of the fluidity, stability and temperature adaptability of the mud, determines whether the mud currently meets the preset construction standards, and transmits the analysis results to the intelligent grouting decision module; Intelligent grouting decision module: Based on the comprehensive analysis data transmitted by the central control module and combined with the construction conditions, it calculates and determines the grouting time, grouting amount and mud formula, and transmits the decision results to the mud proportioning module; Mud proportioning module: According to the calculation results of the intelligent grouting decision module, the proportion of water, mud and additives in the mud is dynamically adjusted to achieve automatic proportioning; Temperature control module: used to adjust the temperature of the mud according to the temperature adaptability analysis results of the central control module; Mud circulation management module: Based on the data from the mud proportioning module and the temperature control module, the flow speed and direction of the mud are controlled to ensure the continuous circulation of the mud during construction.

2. The intelligent mud circulation and grouting control system suitable for bored piles according to claim 1 is characterized in that: The mud monitoring module includes a density sensing unit, a viscosity sensing unit, a flow rate sensing unit and a temperature sensing unit; wherein: Density sensing unit: deployed at a predetermined position of the mud circulation pipeline, used to detect the density of the mud in real time, calculate the mud density by measuring the content of solid particles in the mud and the total weight of the mud, and transmit it to the central control module; Viscosity sensing unit: deployed at the inlet and outlet of the mud circulation pipeline, it measures the shear stress and flow velocity of the mud through a rotary or vibrating sensor to obtain the viscosity value of the mud in real time and transmit the measurement results to the central control module; Flow rate sensing unit: installed in the straight section of the mud circulation pipeline, measures the flow rate of the mud through an ultrasonic or electromagnetic flowmeter and sends the data to the central control module; Temperature sensing unit: It is arranged at the predetermined nodes of the mud circulation pipeline and in the mud pool at the construction site. It monitors the temperature data of the mud in real time through the temperature sensor and transmits the temperature data to the central control module in real time.

3. The intelligent mud circulation and grouting control system suitable for bored piles according to claim 1 is characterized in that: The central control module includes a data receiving unit, a fluidity analysis unit, a stability evaluation unit, a temperature adaptability evaluation unit and a standard matching unit; wherein: Data receiving unit: used to receive the real-time collected mud density, viscosity, flow rate and temperature data from the mud monitoring module, and process the data in a unified format so that all data belong to the same dimension; Fluidity analysis unit: Based on the viscosity and flow rate data provided by the data receiving unit, by analyzing the flow rate change and viscosity value of the mud, evaluate whether the fluidity of the mud in the pipeline meets the construction requirements, including whether the mud flows smoothly and whether there is flow resistance; Stability evaluation unit: used to analyze density and viscosity data and evaluate the stability of mud during circulation. Specifically, by detecting the distribution of solid particles in the mud and the change in viscosity, it can be determined whether the mud has stratification, sedimentation or agglomeration. Temperature adaptability evaluation unit: evaluates the adaptability of mud under different temperature conditions according to the temperature data provided by the data receiving unit, specifically by analyzing whether the mud temperature is within the temperature range required for construction, and judging the impact of temperature changes on mud performance; Standard matching unit: compares the analysis results of the fluidity analysis unit, stability assessment unit and temperature adaptability assessment unit with the preset construction standards to determine whether the various performance parameters of the mud meet the construction requirements.

4. The intelligent mud circulation and grouting control system for bored piles according to claim 3 is characterized in that: The liquidity analysis unit comprises: Flow rate data acquisition: The flow rate data of the mud at different positions in the pipeline are obtained from the data receiving unit, which are expressed as v m 1, v m 2, ..., v m n, and determine the velocity difference Δv at each measuring point m , the formula is: Δv m =v m 2-v m 1; Viscosity data acquisition: Get the real-time viscosity data μ provided by the data receiving unit m ; Fluidity assessment: Based on the viscosity value μ of the mud m and velocity difference Δv m , calculate the flow resistance F of the mud m , the calculation formula is: Where L m is the mud flow length; Smoothness assessment: through flow resistance F m and velocity difference Δv m The analysis is used to evaluate the smoothness of the mud flow in the pipeline. m Below the preset threshold F threshold , and the velocity difference Δv m When it is within the allowable range, the mud is considered to flow smoothly and meet the construction requirements; otherwise, there is flow resistance.

5. The intelligent mud circulation and grouting control system for bored piles according to claim 4 is characterized in that: The stability assessment unit comprises: Solid particle distribution data acquisition: obtain solid particle concentration data C at different positions in the mud from the data receiving unit s1 , C s2 , ..., C sn , where each C si Represents the solid particle concentration of the mud at different locations; Solid particle distribution gradient calculation: Calculate the gradient G of solid particle concentration in mud s , which is used to evaluate the uniformity of solid particle distribution in the mud. The calculation formula is: Among them, G s is the solid particle concentration gradient, L s is the distance between the solid particle detection points; Viscosity change data acquisition: Obtain the viscosity data μ of the mud at different locations or time periods from the data receiving unit m1 , μ m2 , ..., μ mn ; Viscosity change rate calculation: Calculate the change rate of mud viscosity R μ , evaluate the viscosity change of mud at different locations or time periods. The specific calculation formula is: Among them, R μ is the viscosity change rate, Δt is the time difference or position difference; Stability judgment: According to the solid particle distribution gradient G s and viscosity change rate R μ , to judge the stability of the mud, specifically when the solid particle distribution gradient G s Exceeding the preset threshold G threshold , or the viscosity change rate R μ Exceeding the preset threshold R threshold , the mud is considered to have stratification, sedimentation or agglomeration; otherwise, the mud is considered to be stable.

6. The intelligent mud circulation and grouting control system for bored piles according to claim 5 is characterized in that: The temperature adaptability evaluation unit comprises: Temperature data acquisition: Get the real-time temperature data T1, T2, ..., T of the mud at different locations from the data receiving unit n , providing basic data for subsequent analysis; Temperature range adaptability analysis: Temperature data T1, T2, ..., T n With the preset construction temperature range T min and T max Compare and calculate whether the mud temperature is within the temperature range required for construction. The specific judgment formula is: Among them, an adaptability index of 1 indicates good temperature adaptability, and an adaptability index of 0 indicates no adaptability; Analysis of the effect of temperature on viscosity: According to the temperature data T i and the viscosity of the mud m , using the empirical formula of mud viscosity changing with temperature, the effect of temperature on mud viscosity is calculated. The effect of temperature on viscosity is specifically expressed by the following empirical formula: Among them, μ mT is the temperature T i Viscosity value under m0 is the viscosity at the reference temperature T0, α is the temperature sensitivity coefficient of the mud; Evaluation of the effect of temperature on fluidity: Combined with the calculated effect of temperature on viscosity, the effect of temperature change on mud fluidity is analyzed, and the fluidity change ΔF m Viscosity change Δμ m Influence of flow resistance F m , the specific calculation formula is: Among them, F m0 is the flow resistance at the reference temperature, ΔF m It represents the incremental effect of temperature change on flow resistance; Comprehensive evaluation of temperature adaptability: By combining the analysis results of the above steps, a comprehensive evaluation index of temperature adaptability is generated. T , which is used to quantify the performance adaptability of mud under current temperature conditions. The specific weight calculation is based on the influence of temperature on viscosity and fluidity. The formula is: I T =w1×adaptability index+w2×ΔF m , where w1 and w2 are weight coefficients related to temperature adaptability and fluidity, respectively.

7. The intelligent mud circulation and grouting control system for bored piles according to claim 1 is characterized in that: The intelligent grouting decision module includes a data receiving and condition analysis unit, a grouting demand calculation unit, a grouting time determination unit, a mud formula optimization unit and a grouting instruction generation unit; wherein: Data receiving and condition analysis unit: used to receive comprehensive analysis data from the central control module, including parameters of mud fluidity, stability, and temperature adaptability, and obtain real-time condition data of the construction site, including construction depth and soil characteristics, and normalize all data to ensure unified data dimensions; Grouting demand calculation unit: According to the current mud fluidity F m and construction conditions S, calculate the grouting demand Q m ; Grouting time determination unit: Combine construction progress and slurry consumption rate R m , calculate the optimal grouting time T m ; Mud formula optimization unit: optimizes the mud formula and determines the ratio of water, mud and additives based on the current temperature adaptability analysis results, stability assessment data and fluidity parameters. w , P m , P a To meet the construction requirements; Grouting instruction generation unit: used to generate specific grouting instructions, including grouting time T m , grouting amount Q m And the optimized mud formula P w , P m , P a .

8. The intelligent mud circulation and grouting control system for bored piles according to claim 7 is characterized in that: The mud proportioning module includes a proportioning data receiving unit, a proportion control unit, a mixing uniformity control unit, and a flow monitoring and feedback unit; wherein: Proportion data receiving unit: used to receive the optimized water, mud and additive ratio coefficient P from the intelligent grouting decision module w , P m , P a And the grouting demand Q m Instructions; Proportional control unit: used to receive the proportional coefficient P w , P m , P a , dynamically adjust the supply of each raw material, specifically through electronic control valves and flow meters, respectively control the inflow rate of water, mud and additives; Mixing uniformity control unit: includes a multi-stage stirring device and a real-time monitoring sensor to ensure the uniform distribution of water, mud and additives during the mixing process. Specifically, it dynamically adjusts the stirring intensity S by monitoring the viscosity and density of the mud. f ; Flow monitoring and feedback unit: used to monitor the flow data of water, mud and additives in real time and compare them with the preset ratio. When a deviation between the actual flow and the set flow is detected, the opening of the electronic control valve is immediately adjusted through the feedback loop. v , in order to correct the ratio error.

9. The intelligent mud circulation and grouting control system for bored piles according to claim 3 is characterized in that: The temperature control module includes a temperature data receiving unit, a temperature control instruction generating unit and a temperature control executing unit; wherein: Temperature data receiving unit: used to receive temperature adaptability analysis results T from the central control module a The analysis results include the current mud temperature data T m Temperature range T required for construction min and T max The comparison results of Temperature adjustment instruction generating unit: used to receive the temperature data according to the T a , determine whether the mud temperature needs to be adjusted. If the mud temperature T m If the construction temperature range is exceeded, a temperature adjustment instruction C is generated. t , used to instruct the heater or cooler to perform corresponding operations. The generation logic of the temperature adjustment instruction is: Temperature adjustment execution unit: used to receive temperature adjustment instructions C t , by controlling the heater or cooler, the temperature of the mud is adjusted, and the working intensity of the heater or cooler P t Adjust according to the mud temperature deviation ΔT, the adjustment formula is: P t =K t ×ΔT, where ΔT=|T m -T target |, T target is the target value of construction temperature, K t is the temperature adjustment coefficient.

10. The intelligent mud circulation and grouting control system suitable for bored piles according to claim 1, characterized in that: The mud circulation management module includes a flow data receiving unit, a flow velocity control unit, a flow direction control unit, and a flow monitoring and feedback unit; wherein: Flow data receiving unit: used to receive the current mud proportion information P from the mud proportioning module w , P m , P a and flow demand Q m and receives the real-time temperature T of the mud from the temperature control module n ; Flow rate control unit: according to the received flow demand Q m and the temperature of the mud T m The flow rate control unit adjusts the speed N of the circulation pump p To control the flow velocity v of the mud m ; The calculation formula of mud flow velocity is: Among them, K v is the pump speed coefficient, T ref is the preset reference temperature; Flow direction control unit: used to control the flow direction of mud by adjusting the electronic control valve in the pipeline; Flow monitoring and feedback unit: used to monitor the flow velocity of mud in real time m and flow direction θ v , compare the actual flow conditions with the preset targets. If deviations are detected, the speed of the circulation pump and the opening of the control valve are adjusted through the feedback loop to make the mud flow state meet the construction requirements.

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