CN113654899B - Pressure analysis method, device, equipment and storage medium for conveying pipeline - Google Patents
Pressure analysis method, device, equipment and storage medium for conveying pipeline Download PDFInfo
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- 238000012544 monitoring process Methods 0.000 claims abstract description 133
- 238000000034 method Methods 0.000 claims abstract description 29
- 238000004590 computer program Methods 0.000 claims description 15
- 238000012546 transfer Methods 0.000 claims description 9
- 239000002002 slurry Substances 0.000 description 21
- 238000010586 diagram Methods 0.000 description 9
- 239000000463 material Substances 0.000 description 5
- 230000006870 function Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0003—Steady
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0048—Hydraulic means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/026—Specifications of the specimen
- G01N2203/0262—Shape of the specimen
- G01N2203/0274—Tubular or ring-shaped specimens
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0676—Force, weight, load, energy, speed or acceleration
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/30—Computing systems specially adapted for manufacturing
Abstract
The application is applicable to the technical field of pipeline analysis, and provides a pressure analysis method, a device, equipment and a storage medium of a conveying pipeline, wherein the method comprises the following steps: determining a pressure monitoring point in the conveying pipeline, wherein the pressure monitoring point corresponds to a monitored first pipeline area; in a preset time period, carrying out multiple data acquisition on the pressure monitoring points to obtain multiple pressure monitoring results; generating a target curve for representing pressure change of the first pipeline area in a preset time period based on the acquisition time of the plurality of pressure monitoring results; and generating a pressure analysis result of the conveying pipeline according to the pressure change of the first pipeline area. By adopting the method, the terminal equipment can effectively analyze the bearing pressure of the conveying pipeline.
Description
Technical Field
The application belongs to the technical field of pipeline analysis, and particularly relates to a pressure analysis method, a pressure analysis device, pressure analysis equipment and a pressure analysis storage medium for a conveying pipeline.
Background
In the prior art, the use of a conveying pipeline to convey ore pulp (mineral powder) is an energy-saving, environment-friendly and efficient material conveying mode. The collected ore pulp is conveyed to a stope for treatment in a self-flowing mode through a conveying pipeline.
However, when the slurry is conveyed by the conveying pipe, the bearing pressure of the conveying pipe cannot be determined. In the prior art, the usable time of the conveying pipeline is usually predicted according to the evaluation of the bearing pressure of the conveying pipeline after the conveying pipeline is observed by a worker on site. Therefore, the prior art has the problem that the analysis of the bearing pressure of the conveying pipeline cannot be effectively performed.
Disclosure of Invention
The embodiment of the application provides a pressure analysis method, device and equipment for a conveying pipeline and a storage medium, which can solve the problem that the pressure born by the conveying pipeline cannot be effectively analyzed in the prior art.
In a first aspect, an embodiment of the present application provides a method for analyzing pressure of a delivery pipe, including:
determining a pressure monitoring point in the conveying pipeline, wherein the pressure monitoring point corresponds to a monitored first pipeline area;
in a preset time period, carrying out multiple data acquisition on the pressure monitoring points to obtain multiple pressure monitoring results; each pressure monitoring result comprises at least a pressure value of the first pipe region;
generating a target curve based on the acquisition time of the plurality of pressure monitoring results; the target curve is used for representing the pressure change of the first pipeline area in the preset time period;
and generating a pressure analysis result of the conveying pipeline according to the pressure change of the first pipeline area.
In one embodiment, each pressure monitoring result further comprises a pulp flow value for the first conduit region; generating a target curve based on the acquisition times of the plurality of pressure monitoring results, comprising:
from a plurality of pressure monitoring results, determining a target pulp flow value of which the pulp flow value meets a preset value;
determining a target pressure monitoring result comprising a target pulp flow value;
and generating a target curve according to the acquisition time of the target pressure monitoring result and the pressure value contained in the target pressure monitoring result.
In one embodiment, determining a target pulp flow value for which the pulp flow value meets a preset value from a plurality of pressure monitoring results includes:
determining a first pulp flow value greater than a preset value and a first acquisition time of the first pulp flow value from a plurality of pulp flow values based on the acquisition time of the plurality of pressure monitoring results respectively;
if the difference value between the pulp flow values after the first acquisition time and the first pulp flow value is smaller than a preset value, the first pulp flow value and the pulp flow values are determined to be target pulp flow values.
In one embodiment, the pressure analysis results include results of a first maximum pressure value interval of the delivery conduit; generating a pressure analysis result of the conveying pipeline according to the pressure change of the first pipeline area, wherein the pressure analysis result comprises the following steps:
randomly intercepting a preset number of curve segments from a target curve to obtain a multi-section analysis curve;
respectively determining the maximum pressure value of each section of analysis curve;
determining a maximum pressure value interval of a pressure monitoring point based on the plurality of maximum pressure values;
the maximum pressure value interval is determined as a first maximum pressure value interval of the conveying pipe.
In an embodiment, the conveying pipeline further comprises a second pipeline area corresponding to the non-pressure monitoring point; after generating the pressure analysis result of the conveying pipeline according to the pressure change of the first pipeline area, the method further comprises the following steps:
determining a pulp flow limit value for allowing the pulp to be conveyed in the first pipeline area;
calculating a limit bearing pressure value of the first pipeline area according to the pulp flow limit value and the diameter of the first pipeline area;
and estimating a second maximum pressure value interval of the second pipeline area according to the limit bearing pressure value and the first maximum pressure value interval.
In one embodiment: estimating a second maximum pressure value interval of the second pipeline region according to the limit bearing pressure value and the first maximum pressure value interval, wherein the second maximum pressure value interval comprises:
determining a maximum value and a minimum value in a first maximum pressure value interval;
calculating the ratio between the extreme bearing pressure value and the maximum value and the minimum value respectively;
and estimating a second maximum pressure value interval of the second pipeline area according to the ratio and the diameter of the second pipeline area.
In an embodiment, after generating the pressure analysis result of the delivery pipe according to the pressure change of the first pipe region, the method further comprises:
determining a pipeline area with the maximum bearing pressure in the conveying pipeline according to the pressure analysis result;
and taking pressure reducing measures on the pipeline area with the greatest bearing pressure.
In a second aspect, embodiments of the present application provide a pressure analysis device for a conveying pipeline, including:
the first determining module is used for determining pressure monitoring points in the conveying pipeline and a first pipeline area corresponding to the pressure monitoring points;
the acquisition module is used for carrying out data acquisition on the pressure monitoring points for a plurality of times within a preset time period to obtain a plurality of pressure monitoring results; each pressure monitoring result comprises at least a pressure value of the first pipe region;
the first generation module is used for generating a target curve based on the acquisition time of the pressure monitoring results; the target curve is used for representing the pressure change of the first pipeline area in the preset time period;
and the second generation module is used for generating a pressure analysis result of the conveying pipeline according to the pressure change of the first pipeline area.
In a third aspect, embodiments of the present application provide a terminal device comprising a memory, a processor and a computer program stored in the memory and executable on the processor, the processor implementing a method according to any one of the first aspects described above when the computer program is executed by the processor.
In a fourth aspect, embodiments of the present application provide a computer readable storage medium comprising a memory, a processor and a computer program stored in the memory and executable on the processor, the processor implementing a method according to any one of the first aspects described above when the computer program is executed.
In a fifth aspect, embodiments of the present application provide a computer program product for, when run on a terminal device, causing the terminal device to perform the method of any one of the first aspects described above.
Compared with the prior art, the embodiment of the application has the beneficial effects that: and carrying out multiple data acquisition on the pressure monitoring points arranged in the conveying pipeline in a preset time period to obtain multiple pressure monitoring results corresponding to the pressure monitoring points. And then, based on the pressure monitoring results, analyzing the first pipeline area corresponding to the pressure monitoring points in the preset time period to obtain a target curve capable of representing the pressure change of the first pipeline area in the preset time period. And finally, the terminal equipment can analyze the pressure change of the whole conveying pipeline based on the pressure change of the first pipeline area according to the characteristic that the pipeline conveying has traction and transmission and movement of the whole body so as to effectively obtain the pressure analysis result of the conveying pipeline.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following description will briefly introduce the drawings that are needed in the embodiments or the description of the prior art, it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a flow chart illustrating a method for analyzing pressure of a conveying pipeline according to an embodiment of the present disclosure;
fig. 2 is a schematic diagram of an application scenario of a target curve in a pressure analysis method of a conveying pipeline according to an embodiment of the present application;
FIG. 3 is a schematic diagram of an implementation of S103 of a pressure analysis method for a conveying pipeline according to an embodiment of the present application;
FIG. 4 is a schematic diagram of an implementation of S1031 of a pressure analysis method for a conveying pipeline according to an embodiment of the disclosure;
FIG. 5 is a schematic diagram of an implementation of S104 of a method for analyzing pressure of a conveying pipeline according to an embodiment of the present application;
FIG. 6 is a flow chart illustrating a method for analyzing pressure of a delivery pipe according to another embodiment of the present disclosure;
FIG. 7 is a schematic diagram of an implementation of S143 of a pressure analysis method for a conveying pipeline according to an embodiment of the present application;
FIG. 8 is a flow chart illustrating a method for analyzing pressure of a delivery pipe according to another embodiment of the present disclosure;
fig. 9 is a schematic structural view of a pressure analysis device for a conveying pipeline according to an embodiment of the present application;
fig. 10 is a schematic structural diagram of a terminal device provided in an embodiment of the present application.
Detailed Description
In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system configurations, techniques, etc. in order to provide a thorough understanding of the embodiments of the present application. It will be apparent, however, to one skilled in the art that the present application may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present application with unnecessary detail.
It should be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It should also be understood that the term "and/or" as used in this specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.
In addition, in the description of the present application and the appended claims, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and are not to be construed as indicating or implying relative importance.
The pressure analysis method of the conveying pipeline provided by the embodiment of the application can be applied to terminal equipment such as tablet computers, notebook computers and ultra-mobile personal computers (UMPC), and the specific type of the terminal equipment is not limited.
Referring to fig. 1, fig. 1 shows a flowchart of an implementation of a method for analyzing pressure of a conveying pipeline according to an embodiment of the present application, where the method includes the following steps:
s101, the terminal equipment determines pressure monitoring points in the conveying pipeline and first pipeline areas monitored by the pressure monitoring points.
In an embodiment, the pressure monitoring point is a monitoring point for monitoring the bearing pressure of the conveying pipeline, which can be selected in the conveying pipeline by a worker according to actual conditions, and then the selected result is uploaded to the terminal device.
It is to be understood that the number of the pressure monitoring points may be 1 or more, which is not limited. In general, in a transfer conduit, the pressure of the slurry against the conduit walls is typically different under the horizontal and vertical conduits. Therefore, the number of the pressure monitoring points is usually plural.
The conveying pipeline is usually a longer pipeline, and the first pipeline area corresponding to the pressure monitoring cut-off point is usually a part of pipeline area in the conveying pipeline.
In one embodiment, after the staff determines the pressure monitoring point, the terminal device may monitor the pressure monitoring point through a pressure monitoring meter and a flow meter. The pressure monitoring instrument is used for monitoring the pressure value born by the conveying pipeline corresponding to the pressure monitoring point; the flowmeter is used for recording the ore pulp flow of the conveying pipeline corresponding to the pressure monitoring point. The terminal equipment can be connected with the pressure monitoring instrument and the flowmeter in a wireless communication mode in advance so as to acquire data of the pressure monitoring point for multiple times and obtain a pressure monitoring result.
S102, the terminal equipment performs multiple data acquisition on the pressure monitoring points in a preset time period to obtain multiple pressure monitoring results; each pressure monitoring result comprises at least a pressure value of the first pipe region.
In an embodiment, S101 above has already described how the terminal device performs data collection on the pressure monitoring point, which will not be described. It should be noted that the pressure monitoring result at least includes a pressure value obtained by collecting the first pipe region.
In an embodiment, the preset time period may be set by a worker according to actual situations. For example, the terminal device may store the working time of the worker for delivering the slurry in advance, and then use the working time as a preset time period, which is not limited. When the pressure monitoring points are subjected to data acquisition, the pressure monitoring points are subjected to multiple data acquisition, and multiple pressure monitoring results of the pressure monitoring points are obtained.
S103, the terminal equipment generates a target curve based on the acquisition time of a plurality of pressure monitoring results; the target curve is used to represent the pressure change of the first pipe region over a preset period of time.
In an embodiment, the target curve is a curve generated according to a pressure monitoring result. For a target curve of one pressure monitoring point, the horizontal axis of the target curve can be represented as a time point for collecting the pressure monitoring result, and the vertical axis can represent a pressure value collected by the terminal device at a corresponding time point. Reference is specifically made to the target curve for one pressure monitoring point in fig. 2.
And S104, the terminal equipment generates a pressure analysis result of the conveying pipeline according to the pressure change of the first pipeline area.
In an embodiment, the first pipe region belongs to a partial region in the conveying pipe, and the pipe corresponding to the first pipe region is generally made of the same material as the conveying pipe corresponding to the rest of non-pressure monitoring points. Therefore, after analyzing the pressure change of the first pipeline area based on the target curve, the terminal device can further analyze the pressure of the whole conveying pipeline according to the pressure change of the first pipeline area, so as to obtain a pressure analysis result.
In one embodiment, the slurry flow rate is generally maintained relatively constant as the slurry flows within the transfer conduit. However, the flow state of the slurry is complicated and unstable, and the slurry is also caused to flow in the conveying pipeline by the forward pressure wave. Thus, for the first pipe region, its corresponding pressure value is generally unstable. Reference is made in particular to the curves in figure 2 described above.
In one embodiment, the pressure analysis results include, but are not limited to, the fluctuation range of the bearing pressure of the conveying pipeline when the ore pulp is conveyed; and analyzing the total pressure of the whole conveying pipeline when conveying the ore pulp based on the pressure value corresponding to the first pipeline area. In other examples, if a section of the conveying pipeline has a plurality of pressure monitoring points, the pressure analysis result of the conveying pipeline may also be: in analyzing the whole conveying pipeline, the pipeline area with relatively high bearing pressure is analyzed.
In this embodiment, multiple data collection is performed on pressure monitoring points set in the conveying pipeline in a preset time period, so as to obtain multiple pressure monitoring results corresponding to the pressure monitoring points. And then, based on the pressure monitoring results, analyzing the first pipeline area corresponding to the pressure monitoring points in the preset time period to obtain a target curve capable of representing the pressure change of the first pipeline area in the preset time period. And finally, the terminal equipment can analyze the pressure change of the whole conveying pipeline based on the pressure change of the first pipeline area according to the characteristic that the pipeline conveying has traction and transmission and movement of the whole body so as to effectively obtain the pressure analysis result of the conveying pipeline.
In one embodiment, referring to fig. 3, each pressure monitoring result further includes a pulp flow value for the first conduit region; in S103, based on the acquisition time of the multiple pressure monitoring results, the generation of the target curve specifically includes the following substeps S1031-S1033, which are described in detail as follows:
s1031, the terminal equipment determines a target pulp flow value of which the pulp flow value meets a preset value from a plurality of pressure monitoring results.
In an embodiment, the preset value may be preset by a staff member in the terminal device, which is a specific value, which is not limited. Wherein the flow rate of the pulp is generally maintained relatively stable as the pulp flows in the conveying pipe. Thus, the terminal device may consider that the pulp flow value of the pulp does not meet the preset value when the conveying pipe starts to convey the pulp. I.e. the slurry is not filled in the transfer conduit. Therefore, in order to better analyze the pressure of the conveying pipeline, the terminal equipment can determine the target pulp flow value, of which the pulp flow value meets the preset value, from a plurality of pressure monitoring results.
S1032, the terminal equipment determines a target pressure monitoring result containing the target pulp flow value.
S1033, the terminal equipment generates a target curve according to the acquisition time of the target pressure monitoring result and the pressure value contained in the target pressure monitoring result.
In one embodiment, S1031 above has described how to determine the target pulp flow value, in which the pulp flow value satisfies the preset value, from the plurality of pressure monitoring results. Therefore, the pressure monitoring result including the target pulp flow value can be considered as the target pressure monitoring result.
In one embodiment, the target curve has been described in S103, which will not be explained. It should be noted that, the target curve is generated based on the collection time of the target pressure monitoring result and the pressure value included in the target pressure monitoring result, that is, the terminal device may further select a part of the pressure monitoring results from a large number of pressure monitoring results as the target pressure monitoring results, to generate the target curve. Furthermore, the terminal equipment can analyze the pressure monitoring result by using a small amount of target pressure on the premise of analyzing the pressure of the conveying pipeline, so that the processing time of the terminal equipment on the pressure monitoring result is reduced.
In one embodiment, referring to fig. 4, in S1031, from the plurality of pressure monitoring results, determining the target pulp flow value that the pulp flow value meets the preset value specifically includes the following substeps S10311-S10312, which are described in detail below:
s10311, the terminal equipment respectively determines a first pulp flow value larger than a preset value and a first acquisition time of the first pulp flow value from the pulp flow values based on the acquisition time of the pressure monitoring results.
S10312, if the difference value between the pulp flow values after the first collecting time and the first pulp flow value is smaller than a preset value, the terminal equipment determines the first pulp flow value and the pulp flow values as target pulp flow values.
In an embodiment, the preset value is already explained in S1031, which will not be described. The difference can also be set by a worker in advance according to actual conditions. The difference value is a specific value, and is the difference value between the first pulp flow value and a plurality of pulp flow values after the first collecting time respectively. It will be appreciated that if the difference is negative, the absolute value of the difference may be compared with a predetermined value to determine whether the slurry flow in the transfer conduit is stable after the first collection time.
It should be noted that, since the slurry flows in the conveying pipeline, the slurry flow rate is generally kept relatively stable. Thus, it will be appreciated that when a first pulp flow value greater than a preset value occurs in the plurality of pulp flow values, it can be initially considered that the plurality of pulp flow values after the first collection time should all be greater than the preset value. The plurality of pulp flow values after the first collection time may be considered to be target pulp flow values.
However, in this embodiment, in order to further determine that the pressure of the slurry on the conveying pipeline varies when the slurry flow rate is kept relatively stable, the terminal device needs to further screen the first slurry flow rate value and the plurality of slurry flow rate values after the first collection time to obtain an accurate target slurry flow rate value to generate the target curve.
Specifically, according to the collection time of the pressure monitoring results, determining a first pulp flow value which is earliest to be larger than a preset value from pulp flow values in the pressure monitoring results. And if the difference value between the pulp flow values after the first acquisition time and the first pulp flow value is smaller than a preset value, determining the first pulp flow value and the pulp flow values as target pulp flow values. Otherwise, the terminal equipment needs to determine a first pulp flow value which is earliest to be larger than a preset value from a plurality of pulp flow values after the first acquisition time according to the acquisition time of the plurality of pressure monitoring results. And then, determining the collection time corresponding to the first pulp flow value as a first collection time, and executing the step S10312 again.
In one embodiment, referring to fig. 5, the pressure analysis results include the results of a first maximum pressure value interval of the delivery conduit; in S104, the pressure analysis result of the conveying pipeline is generated according to the pressure change of the first pipeline area, which specifically includes the following substeps S1041-S1044, which are described in detail below:
s1041, randomly intercepting a preset number of curve segments from a target curve by the terminal equipment to obtain a multi-segment analysis curve.
S1042, the terminal equipment respectively determines the maximum pressure value of each section of analysis curve.
In an embodiment, the target curve may refer specifically to fig. 2, which will not be described again. The preset number may be set in advance by a worker according to actual conditions, and is not limited thereto. However, in this embodiment, in order to obtain the pressure analysis result of the conveying pipeline more accurately, the preset number is at least two, and each analysis curve includes at least one peak.
In an embodiment, the determining the maximum pressure value of each analysis curve may be considered as determining a value corresponding to each peak. I.e. the value corresponding to the peak is determined as the maximum pressure value.
S1043, the terminal equipment determines a maximum pressure value interval of the pressure monitoring point based on the plurality of maximum pressure values.
S1044, the terminal equipment determines the maximum pressure value interval as a first maximum pressure value interval of the conveying pipeline.
In an embodiment, the maximum pressure value interval is generated based on the plurality of maximum pressure values in S1042. Specifically, the terminal device may determine a maximum value and a minimum value from a plurality of maximum pressure values, so that the maximum value and the minimum value are respectively used as two end point values of the maximum pressure value interval. Finally, the terminal device can make a limit derivation based on the maximum pressure value interval, thereby evaluating the rationality of the first line region at the maximum allowable line pressure. And the terminal equipment is enabled to analyze the pressure change of the whole conveying pipeline so as to effectively obtain the pressure analysis result of the conveying pipeline.
In one embodiment, referring to fig. 6, the delivery conduit further includes a second conduit region corresponding to a non-pressure monitoring point; after generating the pressure analysis result of the conveying pipeline according to the pressure change of the first pipeline area in S104, the method specifically includes the following steps S141-S143, which are described in detail as follows:
s141, the terminal equipment determines a pulp flow limit value for allowing the pulp to be conveyed in the first pipeline area.
In one embodiment, the pulp flow limit value may be a flow value when the pulp fills the conveying pipeline, which may be determined by a worker based on the diameter of the conveying pipeline; the determination may also be performed by the terminal device based on the value acquired by the flowmeter in the preset period, which is not limited.
In an embodiment, for the pipeline area corresponding to the non-pressure monitoring point in the conveying pipeline, the pipeline area may belong to the second pipeline area, which is not limited.
And S142, the terminal equipment calculates the ultimate bearing pressure value of the first pipeline area according to the ore pulp flow limit value and the diameter of the first pipeline area.
In one embodiment, the threshold pressure is a pressure generated by the slurry on the walls of the first conduit region when the slurry fills the first conduit region, and is typically the threshold pressure of the first conduit region. It will be appreciated that if the pressure value experienced by the wall of the first pipe region exceeds the threshold pressure value, a pipe break will occur in the first pipe region.
In one embodiment, the extreme withstand pressure values may be obtained by filling the transfer conduit with slurry and stabilizing the transfer conditions. Specifically, when the ore pulp is conveyed, the ore pulp is not subjected to resistance loss in the conveying pipeline. Thus, the limit bearing pressure value can be approximated by the following formula:
P max ＝ρ j gh
wherein ρ is j For mass concentration of pulp, typically calculated as 74%, g is the gravitational acceleration and h is the pipe diameter of the first pipe section.
S143, the terminal equipment predicts a second maximum pressure value interval of the second pipeline area according to the limit bearing pressure value and the first maximum pressure value interval.
In an embodiment, for the first maximum pressure value interval, the terminal device may determine an average value, a maximum value or a minimum value from the first maximum pressure value interval, participating in the pressure analysis of the delivery conduit. Specifically, the terminal device may determine the maximum value and the minimum value from the first maximum pressure value interval. Then, the ratio between the maximum value and the minimum value and the extreme bearing pressure value is calculated. And then, combining the ratio and a theoretical analysis result, determining that a second maximum pressure value interval of a second pipeline area is estimated in the existing distributed conveying pipeline except special conditions such as pressure wave superposition, slurry impact and the like.
Specifically, the first pipe region and the second pipe region are generally made of the same pipe material, and if the pipe diameter and the pipe wall thickness between the first pipe region and the second pipe region are the same, the ultimate bearing pressure values are generally consistent. The difference is only that the first and second conduit areas are deployed differently (to the depth of the surface) and in different ways (if the first conduit area is a vertical conduit and the second conduit area is a horizontal conduit, the pressure of the slurry against the walls of the two conduit areas should also be different). Therefore, after calculating the second maximum pressure value interval of the second pipe region, the terminal device may further correct the second maximum pressure value interval based on the above difference, to obtain a corrected pressure analysis result of the second pipe region. The correcting the second maximum pressure value interval may be: and multiplying the two end points of the second maximum pressure value interval by the correction coefficient to obtain a second maximum pressure value interval formed by the two corrected end points.
It should be noted that the second pipe region may include a horizontal pipe, and/or a vertical pipe. Therefore, while belonging to the second pipeline region, the second maximum pressure value interval in the second pipeline region is typically different due to the different deployment patterns.
It will be appreciated that the first extreme pressure value is typically the theoretical maximum pressure value of the first conduit region, and that the first maximum pressure value interval is the interval of the actual maximum pressure value of the first conduit region. Based on this, the terminal device may calculate a ratio relationship between the theoretical value and the actual value. Furthermore, the terminal device may calculate the interval of the actual maximum bearing pressure value that the second pipe region should bear, from the ratio relationship and the theoretical maximum bearing pressure value of the second pipe region. Therefore, the terminal equipment can effectively analyze the bearing pressure of the conveying pipeline.
In one embodiment, referring to fig. 7, in S143, the estimating the second maximum pressure value interval of the second pipe region according to the limit bearing pressure value and the first maximum pressure value interval specifically includes the following substeps S1431-S1433, which are described in detail below:
s1431, the terminal device determines the maximum value and the minimum value in the first maximum pressure value interval.
S1432, the terminal equipment calculates the ratio between the limit bearing pressure value and the maximum value and the minimum value respectively.
S1433, the terminal equipment predicts a second maximum pressure value interval of the second pipeline area according to the ratio and the diameter of the second pipeline area.
In one embodiment, the step S143 is described as how to estimate the second maximum pressure interval of the second pipe region according to the maximum value and the minimum value. Since the diameter of the second pipe region may be different from the diameter of the first pipe region, the ultimate pressure value of the second pipe region may be different from the ultimate pressure value of the first pipe region. Based on this, the second maximum pressure value interval it calculates should also be different from the first maximum pressure value interval.
It will be appreciated that if the material of the first pipe region and the second pipe region, the distance between the first pipe region and the ground surface, and the deployment mode of the pipes (both horizontal pipes or both vertical pipes) are the same, the ultimate bearing pressure value of the second pipe region may be determined by: calculating a diameter ratio between the diameter of the second pipe region and the diameter of the first pipe region; and then multiplying the diameter ratio by the ultimate bearing pressure value to obtain the ultimate bearing pressure value of the second pipeline area. Finally, a second maximum pressure interval is estimated based on the ratio in S1432 and the limit bearing pressure value of the second pipe region.
In one embodiment, referring to fig. 8, after generating the pressure analysis result of the conveying pipeline according to the pressure change of the first pipeline area in S104, the method specifically includes the following steps S144-S145, which are described in detail as follows:
s144, the terminal equipment determines the pipeline area with the largest bearing pressure in the conveying pipeline according to the pressure analysis result.
S145, the terminal equipment takes depressurization measures for the pipeline area with the largest bearing pressure.
In one embodiment, the step S1433 is described as how to obtain the second maximum pressure interval of the second conveying pipeline region. Based on this, the terminal device can determine the pipe region that is subjected to the greatest pressure from among the first pipe region and the second pipe region, based on the first maximum pressure value interval and the second maximum pressure value interval. Furthermore, the terminal equipment can take depressurization measures on the ore pulp to ensure that the conveying pipeline safely conveys the ore pulp. The pressure reducing measure includes, but is not limited to, thickening the pipe wall of the pipe area, and replacing the pipe area with a pipe with a better material, which is not limited.
Referring to fig. 9, fig. 9 is a block diagram of a pressure analysis device for a conveying pipeline according to an embodiment of the present application. The pressure analysis device of the conveying pipe in this embodiment includes modules for executing the steps in the embodiments corresponding to fig. 1, 3 to 8. Refer specifically to fig. 1, 3-8 and related descriptions in the embodiments corresponding to fig. 1, 3-8. For convenience of explanation, only the portions related to the present embodiment are shown. Referring to fig. 9, a pressure analysis apparatus 900 of a transfer pipe includes: a first determining module 910, an acquiring module 920, a first generating module 930, and a second generating module 940, wherein:
the first determining module 910 is configured to determine a pressure monitoring point in the conveying pipeline, and the pressure monitoring point corresponds to a monitored first pipeline area.
The acquisition module 920 is configured to perform multiple data acquisition on the pressure monitoring point in a preset time period, so as to obtain multiple pressure monitoring results; each pressure monitoring result comprises at least a pressure value of the first pipe region.
A first generating module 930, configured to generate a target curve based on the acquisition times of the plurality of pressure monitoring results; the target curve is used to represent the pressure change of the first pipe region over a preset period of time.
The second generating module 940 is configured to generate a pressure analysis result of the delivery pipe according to the pressure change of the first pipe region.
In one embodiment, each pressure monitoring result further comprises a pulp flow value for the first conduit region; the acquisition module 920 is further configured to:
from a plurality of pressure monitoring results, determining a target pulp flow value of which the pulp flow value meets a preset value; determining a target pressure monitoring result comprising a target pulp flow value; and generating a target curve according to the acquisition time of the target pressure monitoring result and the pressure value contained in the target pressure monitoring result.
In an embodiment, the acquisition module 920 is further configured to:
determining a first pulp flow value greater than a preset value and a first acquisition time of the first pulp flow value from a plurality of pulp flow values based on the acquisition time of the plurality of pressure monitoring results respectively; if the difference value between the pulp flow values after the first acquisition time and the first pulp flow value is smaller than a preset value, the first pulp flow value and the pulp flow values are determined to be target pulp flow values.
In one embodiment, the pressure analysis results include results of a first maximum pressure value interval of the delivery conduit; the second generating module 940 is further configured to:
randomly intercepting a preset number of curve segments from a target curve to obtain a multi-section analysis curve; respectively determining the maximum pressure value of each section of analysis curve; determining a maximum pressure value interval of a pressure monitoring point based on the plurality of maximum pressure values; the maximum pressure value interval is determined as a first maximum pressure value interval of the conveying pipe.
In an embodiment, the conveying pipeline further comprises a second pipeline area corresponding to the non-pressure monitoring point; the pressure analysis device 900 of the delivery pipe further includes:
and the second determining module is used for determining a pulp flow limit value for allowing the pulp to be conveyed in the first pipeline area.
And the calculation module is used for calculating the ultimate bearing pressure value of the first pipeline area according to the ore pulp flow limit value and the diameter of the first pipeline area.
The estimating module is used for estimating a second maximum pressure value interval of the second pipeline area according to the limit bearing pressure value and the first maximum pressure value interval.
In an embodiment, the estimation module is further configured to:
determining a maximum value and a minimum value in a first maximum pressure value interval; calculating the ratio between the extreme bearing pressure value and the maximum value and the minimum value respectively; and estimating a second maximum pressure value interval of the second pipeline area according to the ratio and the diameter of the second pipeline area.
In one embodiment, the pressure analysis device 900 of the delivery conduit further includes:
and the third determining module is used for determining the pipeline area with the largest bearing pressure in the conveying pipeline according to the pressure analysis result.
And the depressurization module is used for taking depressurization measures on the pipeline area with the largest bearing pressure.
It should be understood that, in the block diagram of the pressure analysis device of the conveying pipeline shown in fig. 9, each unit/module is configured to perform each step in the embodiments corresponding to fig. 1 and 3 to 8, and each step in the embodiments corresponding to fig. 1 and 3 to 8 has been explained in detail in the above embodiments, and specific reference is made to fig. 1, 3 to 8 and related descriptions in the embodiments corresponding to fig. 1 and 3 to 8, which are not repeated herein.
Fig. 10 is a block diagram of a terminal device according to another embodiment of the present application. As shown in fig. 10, the terminal device 1000 of this embodiment includes: a processor 1010, a memory 1020 and a computer program 1030 stored in the memory 1020 and executable on the processor 1010, such as a program for a method of pressure analysis of a delivery conduit. The steps of the various embodiments of the pressure analysis method for the various delivery conduits described above, such as S101 through S104 shown in fig. 1, are performed by processor 1010 when executing computer program 1030. Alternatively, the processor 1010 may perform the functions of each module in the embodiment corresponding to fig. 9, for example, the functions of the modules 910 to 940 shown in fig. 9, when the processor 1030 executes the computer program 1030, which is specifically described with reference to the corresponding embodiment of fig. 9.
By way of example, computer program 1030 may be split into one or more units that are stored in memory 1020 and executed by processor 1010 to complete the present application. One or more of the elements may be a series of computer program instruction segments capable of performing a specified function, the instruction segments describing the execution of computer program 1030 in terminal device 1000.
The terminal device can include, but is not limited to, a processor 1010, a memory 1020. It will be appreciated by those skilled in the art that fig. 10 is merely an example of terminal device 1000 and is not intended to limit terminal device 1000, and may include more or fewer components than shown, or may combine certain components, or different components, e.g., a terminal device may also include an input-output device, a network access device, a bus, etc.
The processor 1010 may be a central processing unit, but may also be other general purpose processors, digital signal processors, application specific integrated circuits, off-the-shelf programmable gate arrays or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, or the like. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
Memory 1020 may be an internal storage unit of terminal device 1000, such as a hard disk or memory of terminal device 1000. Memory 1020 may also be an external storage device of terminal device 1000, such as a plug-in hard disk, smart memory card, flash memory card, etc. provided on terminal device 1000. Further, memory 1020 may also include both internal and external storage units of terminal device 1000.
The above embodiments are only for illustrating the technical solution of the present application, and are not limiting thereof; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present application, and are intended to be included in the scope of the present application.
Claims (9)
1. A method of pressure analysis of a delivery conduit, the method comprising:
determining a pressure monitoring point in the conveying pipeline and a first pipeline area which is correspondingly monitored by the pressure monitoring point;
in a preset time period, carrying out multiple data acquisition on the pressure monitoring points to obtain multiple pressure monitoring results; each pressure monitoring result comprises at least a pressure value of the first pipe region;
generating a target curve based on the acquisition time of the plurality of pressure monitoring results; the target curve is used for representing the pressure change of the first pipeline area in the preset time period;
generating a pressure analysis result of the conveying pipeline according to the pressure change of the first pipeline area; the pressure analysis result comprises the result of a first maximum pressure value interval of the conveying pipeline;
the generating a pressure analysis result of the conveying pipeline according to the pressure change of the first pipeline area comprises the following steps:
randomly intercepting a preset number of curve segments from the target curve to obtain a multi-section analysis curve; respectively determining the maximum pressure value of each section of analysis curve; determining a maximum pressure value interval of the pressure monitoring points based on a plurality of maximum pressure values; and determining the maximum pressure value interval as a first maximum pressure value interval of the conveying pipeline.
2. The method of pressure analysis of a transfer line of claim 1, wherein each pressure monitoring result further comprises a pulp flow value of the first line region;
generating a target curve based on the acquisition time of the plurality of pressure monitoring results, comprising:
determining a target pulp flow value, of which the pulp flow value meets a preset value, from the pressure monitoring results;
determining a target pressure monitoring result comprising the target pulp flow value;
and generating the target curve according to the acquisition time of the target pressure monitoring result and the pressure value contained in the target pressure monitoring result.
3. The method of pressure analysis of a transfer line of claim 2, wherein determining a target pulp flow value for which the pulp flow value meets a preset value from the plurality of pressure monitoring results comprises:
determining a first pulp flow value greater than a preset value from a plurality of pulp flow values based on the acquisition time of the plurality of pressure monitoring results respectively, and the first acquisition time of the first pulp flow value;
and if the difference value between the first pulp flow value and the first pulp flow value is smaller than a preset value, determining the first pulp flow value and the pulp flow values as target pulp flow values.
4. The method of pressure analysis of a delivery conduit of claim 1, wherein the delivery conduit further comprises a second conduit region not corresponding to the pressure monitoring point;
after generating the pressure analysis result of the conveying pipeline according to the pressure change of the first pipeline area, the method further comprises:
determining a pulp flow limit value of the first pipeline area allowing the pulp to be conveyed;
calculating a limit bearing pressure value of the first pipeline area according to the pulp flow limit value and the diameter of the first pipeline area;
and estimating a second maximum pressure value interval of the second pipeline area according to the limit bearing pressure value and the first maximum pressure value interval.
5. The method for pressure analysis of a delivery conduit according to claim 4, wherein: estimating a second maximum pressure value interval of the second pipeline region according to the limit bearing pressure value and the first maximum pressure value interval, wherein the second maximum pressure value interval comprises the following steps:
determining a maximum value and a minimum value in the first maximum pressure value interval;
calculating the ratio between the limit bearing pressure value and the maximum value and the minimum value respectively;
and estimating a second maximum pressure value interval of the second pipeline area according to the ratio and the diameter of the second pipeline area.
6. A method of pressure analysis of a delivery conduit according to any one of claims 1 to 3, further comprising, after generating a pressure analysis result of the delivery conduit from the pressure change of the first conduit region:
determining a pipeline area with the largest bearing pressure in the conveying pipeline according to the pressure analysis result;
and taking pressure reducing measures on the pipeline area with the greatest bearing pressure.
7. A pressure analysis device for a delivery conduit, the device comprising:
the first determining module is used for determining a pressure monitoring point in the conveying pipeline and a first pipeline area which is correspondingly monitored by the pressure monitoring point;
the acquisition module is used for carrying out data acquisition on the pressure monitoring points for a plurality of times within a preset time period to obtain a plurality of pressure monitoring results; each pressure monitoring result comprises at least a pressure value of the first pipe region;
the first generation module is used for generating a target curve based on the acquisition time of the pressure monitoring results; the target curve is used for representing the pressure change of the first pipeline area in the preset time period;
the second generation module is used for generating a pressure analysis result of the conveying pipeline according to the pressure change of the first pipeline area; the pressure analysis result comprises the result of a first maximum pressure value interval of the conveying pipeline;
the second generation module is further configured to:
randomly intercepting a preset number of curve segments from the target curve to obtain a multi-section analysis curve; respectively determining the maximum pressure value of each section of analysis curve; determining a maximum pressure value interval of the pressure monitoring points based on a plurality of maximum pressure values; and determining the maximum pressure value interval as a first maximum pressure value interval of the conveying pipeline.
8. A terminal device comprising a memory, a processor and a computer program stored in the memory and executable on the processor, characterized in that the processor implements the method according to any of claims 1 to 6 when executing the computer program.
9. A computer readable storage medium storing a computer program, characterized in that the computer program when executed by a processor implements the method according to any one of claims 1 to 6.
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