CN108914895B - Design parameter determination method and device for pumped storage power station concrete production system - Google Patents
Design parameter determination method and device for pumped storage power station concrete production system Download PDFInfo
- Publication number
- CN108914895B CN108914895B CN201810802857.3A CN201810802857A CN108914895B CN 108914895 B CN108914895 B CN 108914895B CN 201810802857 A CN201810802857 A CN 201810802857A CN 108914895 B CN108914895 B CN 108914895B
- Authority
- CN
- China
- Prior art keywords
- concrete
- monthly
- month
- storage power
- strength
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 188
- 238000003860 storage Methods 0.000 title claims abstract description 127
- 238000000034 method Methods 0.000 title claims abstract description 44
- 238000005266 casting Methods 0.000 claims abstract description 54
- 239000000203 mixture Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 28
- 238000010586 diagram Methods 0.000 description 13
- 238000004590 computer program Methods 0.000 description 7
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 238000009826 distribution Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B9/00—Water-power plants; Layout, construction or equipment, methods of, or apparatus for, making same
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Abstract
The invention provides a method and a device for determining design parameters of a concrete production system of a pumped storage power station, and relates to the technical field of concrete production. The method comprises the following steps: acquiring preset concrete pouring strength curve data of different standard sections of items in the supply range of a pumped storage power station concrete production system; determining the average concrete casting monthly intensity at the concrete peak time period according to the concrete casting intensity curve data of each standard section and the concrete casting peak time period of each standard section; and determining the monthly unbalance coefficient of the concrete production system of the pumped storage power station according to the preset monthly unbalance coefficient range and the continuous peak time period of the concrete. The method can ensure that the design production capacity of the concrete production system of the pumped storage power station more meets the construction requirements of the pumped storage power station, and effectively solves the problems of insufficient supply of concrete, engineering shutdown and even great influence on the engineering quality during the peak period of engineering construction.
Description
Technical Field
The invention relates to the technical field of concrete production, in particular to a method and a device for determining design parameters of a concrete production system of a pumped storage power station.
Background
Currently, when constructing facilities such as hydroelectric power plants, large amounts of concrete need to be applied, and therefore concrete production systems are required to accomplish continuous concrete production. At present, the design of a concrete production system of a pumped storage power station is designed mainly according to the design specification of a concrete production system of hydropower engineering (NB/T35005) and engineering characteristics in the process of engineering construction by combining the experience of construction units and the like. In order to ensure the construction of the pumped storage power station, attention needs to be paid to the production capacity (such as the concrete hourly production capacity) of the concrete production system of the pumped storage power station.
However, the concrete production system of the pumped storage power station, which is designed according to the design specification of concrete production system of hydropower engineering (NB/T35005), cannot meet the actual construction requirements of the pumped storage power station, because the production capacity of the concrete production system of the pumped storage power station, which is designed according to the specification, is greatly different from the concrete production capacity required in the actual construction process. The production capacity of the pumped storage power station concrete production system designed according to the standard is relatively conservative under general conditions, so that the production capacity is low, the construction requirement of the pumped storage power station cannot be met, and the problem that the supply of concrete is insufficient during the engineering construction peak period, the engineering shutdown is caused, and even the engineering quality is greatly influenced is easily caused. Therefore, how to reasonably plan the design parameters of the pumped storage power station concrete production system at present makes the matching of the production capacity of the pumped storage power station concrete production system and the engineering construction become a problem to be solved urgently.
Disclosure of Invention
The embodiment of the invention provides a method and a device for determining design parameters of a pumped storage power station concrete production system, which are used for ensuring that the design production capacity of the pumped storage power station concrete production system better meets the construction requirement of a pumped storage power station and effectively avoiding the problems of insufficient supply and demand of concrete, engineering shutdown and even great influence on the engineering quality during the engineering construction peak period.
In order to achieve the purpose, the invention adopts the following technical scheme:
a method for determining design parameters of a pumped storage power station concrete production system comprises the following steps:
acquiring preset concrete pouring strength curve data of different standard sections of items in the supply range of a pumped storage power station concrete production system;
determining the average concrete casting monthly intensity at the concrete peak time period according to the concrete casting intensity curve data of each standard section and the concrete casting peak time period of each standard section;
and determining the monthly unbalance coefficient of the concrete production system of the pumped storage power station according to the preset monthly unbalance coefficient range and the continuous peak time period of the concrete.
Further, after determining the monthly unbalance coefficient of the concrete production system of the pumped storage power station according to the preset monthly unbalance coefficient range and the continuous peak time of the concrete, the method further comprises the following steps:
determining the concrete casting peak-month strength according to the concrete casting month average strength and the month unbalance coefficient during the concrete peak period;
and determining the hourly production capacity of the concrete of the pumped storage power station concrete production system according to the concrete pouring peak monthly intensity, the preset monthly working days, the preset daily working hours and the daily and hour imbalance coefficients.
Specifically, the determining the average strength of concrete pouring in the concrete peak period according to the concrete pouring strength curve data of each standard section and the concrete pouring peak period of each standard section includes:
according to the concrete pouring strength curve data of the two standard sections, obtaining the concrete pouring month strength and the concrete pouring peak month strength of each month of the two standard sections;
when the concrete pouring peak month phase distance of the two standard sections is smaller than the preset number of months, overlapping the concrete pouring peak month strength of the two standard sections to be used as the concrete pouring month average strength of the concrete pouring peak period;
when the concrete pouring peak month phase distance of the two standard sections is more than or equal to the preset number of months, overlapping the concrete pouring month strength of each month of the two standard sections to obtain continuous peak month strength values of the overlapped concrete pouring month strength, and taking the average value of the continuous peak month strength values as the concrete pouring month average strength of the concrete pouring peak period; the continuous peak-month strength value is the maximum value of the concrete pouring month strength after superposition and the approximate value of the concrete pouring month strength before and after the maximum value for one to more months; the difference value between the approximate value and the maximum value of the concrete pouring monthly strength after superposition is within a preset interval range;
the preset number of months is 6.
Specifically, the determining the monthly unbalanced coefficient of the concrete production system of the pumped storage power station according to the preset monthly unbalanced coefficient range and the continuous peak time of the concrete comprises the following steps:
determining a month imbalance coefficient maximum value and a month imbalance coefficient minimum value according to a preset month imbalance coefficient range;
when the continuous peak time period of the concrete is less than or equal to a preset first time length threshold value, taking the minimum value of the monthly unbalance coefficient as the monthly unbalance coefficient of the pumped storage power station concrete production system;
when the continuous peak time period of the concrete is greater than or equal to a preset second time threshold value, taking the maximum value of the monthly unbalance coefficient as the monthly unbalance coefficient of the pumped storage power station concrete production system;
when the continuous peak time period of the concrete is greater than the first time threshold and less than the second time threshold, taking a value between the minimum value of the monthly unbalance coefficient and the maximum value of the monthly unbalance coefficient by adopting an interpolation method as the monthly unbalance coefficient of the pumped storage power station concrete production system;
the maximum value of the monthly unbalance coefficient is 1.3, the minimum value of the monthly unbalance coefficient is 1.1, the first duration threshold value is 3 months, and the second duration threshold value is 6 months.
Specifically, the determining the concrete casting peak-month strength according to the concrete casting month average strength and the month imbalance coefficient during the concrete peak period includes:
according to the formula: qmA＝k1QmDetermining the peak-month intensity Q of concrete pouringmA(ii) a Wherein k is1Is the monthly imbalance coefficient; qmAnd pouring the average strength of the concrete in the concrete peak period in the month.
Specifically, the determining the hourly concrete production capacity of the concrete production system of the pumped storage power station according to the high concrete pouring peak monthly intensity, the preset monthly working days, the preset daily working hours and the daily and hour imbalance coefficients comprises the following steps:
according to the formula:
determining the hourly concrete production capacity Q of a concrete production system of a pumped storage power stationh(ii) a Wherein k is2Is the day and hour imbalance coefficient, k21.5; m is the number of working days of the month, and M is 22; and N is the daily working hours, and N is 18.
Further, after determining the hourly production capacity of the concrete of the pumped storage power station concrete production system according to the high-peak monthly intensity of concrete pouring, the preset monthly working days, the preset daily working hours and the daily and hour imbalance coefficients, the method further comprises the following steps:
obtaining a preset equipment load rate range; the equipment load rate ranges from 0.5 to 0.7;
when the supply range of the concrete production system of the pumped storage power station is larger than or equal to a preset supply range threshold value, or the concrete mixing ratio type of the concrete production system of the pumped storage power station is larger than or equal to a preset type threshold value, determining that the equipment load rate of the concrete production system of the pumped storage power station is 0.5;
when the supply range of the concrete production system of the pumped storage power station is smaller than a preset supply range threshold value or the mix proportion type of the concrete production system of the pumped storage power station is smaller than a preset type threshold value, determining that the equipment load rate of the concrete production system of the pumped storage power station is 0.7;
and determining the actual production capacity according to the equipment load rate and the hourly concrete production capacity of the concrete production system of the pumped storage power station.
Further, after determining the hourly production capacity of the concrete of the pumped storage power station concrete production system according to the high-peak monthly intensity of concrete pouring, the preset monthly working days, the preset daily working hours and the daily and hour imbalance coefficients, the method further comprises the following steps:
taking the hourly production capacity of the concrete as the concrete production capacity of a main concrete production system, and setting the concrete production capacity of a standby concrete production system; the concrete production capacity of the standby concrete production system is more than or equal to 50% of the concrete production capacity of the main concrete production system.
A design parameter determination apparatus for a pumped-storage power station concrete production system, comprising:
the data acquisition unit is used for acquiring preset concrete pouring strength curve data of different standard sections of items in the supply range of the concrete production system of the pumped storage power station;
the concrete pouring monthly average strength determining unit is used for determining the concrete pouring monthly average strength in the concrete peak period according to the concrete pouring strength curve data of each standard section and the concrete pouring peak period of each standard section;
and the monthly unbalance coefficient determining unit is used for determining the monthly unbalance coefficient of the concrete production system of the pumped storage power station according to the preset monthly unbalance coefficient range and the continuous peak time period of the concrete.
Specifically, the concrete casting monthly average strength determination unit includes:
the standard section concrete casting peak-month intensity acquisition module is used for acquiring concrete casting month intensity and concrete casting peak-month intensity of each month of the two standard sections according to the concrete casting intensity curve data of the two standard sections;
the concrete pouring monthly average strength determining module is used for superposing the concrete pouring peak monthly strength of the two sections to be used as the concrete pouring monthly average strength of the concrete at the concrete peak time period when the concrete pouring peak monthly distance of the two sections is less than the preset number of months; when the concrete pouring peak month phase distance of the two standard sections is more than or equal to the preset number of months, overlapping the concrete pouring month strength of each month of the two standard sections to obtain continuous peak month strength values of the overlapped concrete pouring month strength, and taking the average value of the continuous peak month strength values as the concrete pouring month average strength of the concrete pouring peak period; the continuous peak-month strength value is the maximum value of the concrete pouring month strength after superposition and the approximate value of the concrete pouring month strength before and after the maximum value for one to more months; the difference value between the approximate value and the maximum value of the concrete pouring monthly strength after superposition is within a preset interval range; the preset number of months is 6.
The embodiment of the invention provides a method and a device for determining design parameters of a concrete production system of a pumped storage power station, which comprises the steps of firstly obtaining preset concrete pouring strength curve data of different standard sections of items in the supply range of the concrete production system of the pumped storage power station; determining the average concrete casting monthly intensity at the concrete peak time period according to the concrete casting intensity curve data of each standard section and the concrete casting peak time period of each standard section; and determining the monthly unbalance coefficient of the concrete production system of the pumped storage power station according to the preset monthly unbalance coefficient range and the continuous peak time period of the concrete. Therefore, the average strength of the concrete casting month and the month unbalance coefficient are redesigned and planned during the concrete peak period, so that the design parameters more meet the design requirements of a concrete production system in the construction process of the pumped storage power station, and guidance is provided for selecting the equipment production capacity of the concrete production system in the subsequent engineering construction process of the pumped storage power station. Therefore, the design and production capacity of the concrete production system of the pumped storage power station can be ensured to better meet the construction requirements of the pumped storage power station, and the problems of insufficient supply and demand of concrete, engineering shutdown and even great influence on the engineering quality during the engineering construction peak period are effectively avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a first flowchart of a method for determining design parameters of a concrete production system of a pumped storage power station according to an embodiment of the present invention;
FIG. 2 is a second flowchart of a method for determining design parameters of a pumped storage power station concrete production system according to an embodiment of the present invention;
FIG. 3 is a graph showing concrete casting strength curve data of an upper reservoir item C1 according to an embodiment of the present invention;
FIG. 4 is a graph showing concrete casting strength curve data of the upper reservoir item C2 according to the embodiment of the present invention;
FIG. 5 is a data diagram illustrating concrete placement strength curves for a lower reservoir item C3 in an example of the present invention;
FIG. 6 is a data diagram illustrating concrete placement strength curves for a lower reservoir item C4 in accordance with an embodiment of the present invention;
FIG. 7 is a numerical diagram illustrating the concrete pouring month strength of each month of two mark segments after superposition in the embodiment of the invention;
fig. 8 is a first schematic structural diagram of a design parameter determining apparatus of a pumped storage power station concrete production system according to an embodiment of the present invention;
fig. 9 is a schematic structural diagram of a design parameter determining apparatus of a pumped storage power station concrete production system according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, a method for determining design parameters of a concrete production system of a pumped storage power station according to an embodiment of the present invention includes:
101, obtaining preset concrete pouring strength curve data of different standard sections of items in the supply range of the pumped storage power station concrete production system.
And 102, determining the average concrete casting monthly intensity in the concrete peak period according to the concrete casting intensity curve data of each standard section and the concrete casting peak period of each standard section.
And 103, determining the monthly unbalance coefficient of the concrete production system of the pumped storage power station according to the preset monthly unbalance coefficient range and the continuous peak time of the concrete.
According to the design parameter determining method for the pumped storage power station concrete production system, the average monthly strength and the unbalanced monthly coefficient of concrete pouring during the concrete peak time are redesigned, so that the design parameters are more in line with the design requirements of the concrete production system in the construction process of the pumped storage power station, and guidance is provided for selection of the production capacity of the concrete production system in the subsequent engineering construction process of the pumped storage power station. Therefore, the design and production capacity of the concrete production system of the pumped storage power station can be ensured to better meet the construction requirements of the pumped storage power station, and the problems of insufficient supply and demand of concrete, engineering shutdown and even great influence on the engineering quality during the engineering construction peak period are effectively avoided.
In order to make those skilled in the art better understand the present invention, a more detailed embodiment is listed below, and as shown in fig. 2, an embodiment of the present invention provides a method for determining design parameters of a concrete production system of a pumped storage power station, including:
The arrangement and supply range of the concrete production system of the pumped storage power station generally need to comprehensively consider site arrangement conditions, traffic conditions, project standard section division conditions and the like, and according to the experience of the established engineering, the concrete production system is generally independently arranged by an upper reservoir and a lower reservoir and the concrete supply of a water channel system and an underground plant system is considered respectively. Namely, the upper reservoir project and the lower reservoir project can be independently provided with a pumped storage power station concrete production system.
For example, if the upper reservoir project has two segments, respectively, the C1 and the C2, and the lower reservoir project has two segments, respectively, the C3 and the C4, the obtained concrete casting strength curve data can be as shown in fig. 3, 4, 5 and 6, which respectively represent concrete casting strength curves of the C1, the C2, the C3 and the C4.
For example, as shown in FIG. 3, the concrete casting peak-and-month strength of the concrete casting strength curve designated by C1 is 6147m3And a month. As shown in FIG. 4, the concrete casting peak-and-month strength of the concrete casting strength curve designated by C2 is 6303m3And a month. As shown in FIG. 5, the cast-in peak-and-month strength of concrete of the cast-in strength curve designated by C3 was 5161m3And a month. As shown in FIG. 6, the concrete casting peak-and-month strength of the concrete casting strength curve designated C4 was 7297m3And a month.
Step 203 or step 204 is performed after step 202.
And 203, when the monthly distance of the concrete pouring peaks of the two sections is smaller than the preset number of months, overlapping the monthly intensity of the concrete pouring peaks of the two sections to obtain the monthly average intensity of the concrete pouring in the concrete peak period.
For example, as shown in fig. 5 and 6, for the lower reservoir project, the intensity distribution is concentrated and less than 6 months, so that the concrete pouring peak month intensity of two standard sections can be superposed to be used as the concrete pouring month intensity of the concrete peak hour sectionAll intensity, i.e. Qm＝a+b＝5161+7297＝12458m3And a month.
And 204, when the concrete pouring peak month-to-month distance between the two standard sections is greater than or equal to the preset number of months, overlapping the concrete pouring month strength of each month of the two standard sections to obtain continuous peak month strength values of the overlapped concrete pouring month strength, and taking the average value of the continuous peak month strength values as the concrete pouring month average strength of the concrete pouring peak period.
Wherein the continuous peak-month strength value is the maximum value of the intensity of the concrete pouring month after superposition and the approximate value of the intensity of the concrete pouring month which is continuous for one to more months before and after the maximum value; the difference value between the approximate value and the maximum value of the concrete pouring monthly strength after superposition is within a preset interval range.
For example, as shown in fig. 3 and 4, if the intensity distribution is relatively dispersed and greater than 6 months for the upper reservoir project, the concrete casting month intensities of two standard sections for each month need to be superimposed as shown in fig. 7. Obtaining the continuous peak monthly intensity values of the superimposed concrete pouring monthly intensity, as shown in fig. 7, namely 9418 and 9230 of 10 months in 2018 and 11 months in 2018 are continuous peak monthly intensity values, and taking the average value of the continuous peak monthly intensity values as the concrete pouring monthly average intensity in the concrete peak period, namely Qm＝(9418+9230)/2＝9324m3And a month. Here, the continuous peak-moon intensity values are only two, but may be a maximum value of the concrete casting moon intensity after the stacking and an approximate value of one to a plurality of months in succession before and after the maximum value, where a difference between the approximate value and the maximum value of the concrete casting moon intensity after the stacking is within a preset interval range, for example, the preset interval range is 500, and the maximum value of the concrete casting moon intensity after the stacking is 9000, and in a group of concrete casting moon intensities after the stacking (8000, 8600, 9000, 8800, 8700), 8600, 9000, 8800, 8700 may be regarded as the continuous peak-moon intensity values, but not limited thereto. Then Q ism(a + b …)/n, which represents the average of the intensity values for the peak month.
Here, in step 203 and step 204, the preset number of months is 6.
After steps 203 and 204, execution continues with step 205.
And step 205, determining the maximum value and the minimum value of the monthly unbalance coefficient according to the preset monthly unbalance coefficient range.
The preset monthly unbalance coefficient range can be 1.1 to 1.3, and when the monthly unbalance coefficient range is 1.1 to 1.3, the reliability of the concrete production system of the pumped storage power station is better.
And step 206, when the continuous peak time period of the concrete is less than or equal to a preset first time threshold value, taking the minimum value of the monthly unbalance coefficient as the monthly unbalance coefficient of the pumped storage power station concrete production system.
And step 207, when the continuous peak time period of the concrete is greater than or equal to a preset second time threshold value, taking the maximum value of the monthly unbalance coefficient as the monthly unbalance coefficient of the pumped storage power station concrete production system.
And 208, when the continuous peak time period of the concrete is greater than the first time threshold and less than the second time threshold, taking a value between the minimum value of the monthly unbalance coefficient and the maximum value of the monthly unbalance coefficient by adopting an interpolation method as the monthly unbalance coefficient of the pumped storage power station concrete production system.
In steps 206 to 208, the maximum value of the monthly unbalance coefficient is 1.3, the minimum value of the monthly unbalance coefficient is 1.1, the first duration threshold is 3 months, and the second duration threshold is 6 months.
After step 206, step 207 and step 208, execution continues with step 209.
And 209, determining the concrete casting peak-month strength according to the concrete casting month average strength and the month unbalance coefficient during the concrete peak period.
Specifically, the step 209 may adopt the following manner:
according to the formula: qmA＝k1QmDetermining concrete placement heightPeak monthly intensity QmA(ii) a Wherein k is1Is the monthly imbalance coefficient; qmAnd pouring the average strength of the concrete in the concrete peak period in the month.
And step 210, determining the hourly production capacity of the concrete of the pumped storage power station concrete production system according to the concrete pouring peak monthly intensity, the preset monthly working days, the preset daily working hours and the daily and hour imbalance coefficients.
Specifically, the step 210 may adopt the following manner:
according to the formula:
determining the hourly concrete production capacity Q of a concrete production system of a pumped storage power stationh(ii) a Wherein k is2Is the day and hour imbalance coefficient, k21.5; m is the number of working days of the month, and M is 22; and N is the daily working hours, and N is 18. In addition, the values of M and N can be preset to other values according to requirements.
And step 211, obtaining a preset device load rate range.
Here, the equipment load rate may range from 0.5 to 0.7, based on the design experience of the pumped storage power station concrete production system in shandong-yimeng, jilin dun, anhui kexi, etc. Step 212 or step 213 is continued after step 211.
And 212, when the supply range of the concrete production system of the pumped storage power station is larger than or equal to a preset supply range threshold value, or the concrete mixing ratio type of the concrete production system of the pumped storage power station is larger than or equal to a preset type threshold value, determining that the equipment load rate of the concrete production system of the pumped storage power station is 0.5 (namely, the lower limit value).
And 213, when the supply range of the concrete production system of the pumped storage power station is smaller than a preset supply range threshold value or the mix proportion type of the concrete production system of the pumped storage power station is smaller than a preset type threshold value, determining that the equipment load rate of the concrete production system of the pumped storage power station is 0.7 (namely, the upper limit value).
After steps 212 and 213, step 214 is performed.
And 214, determining the actual production capacity according to the equipment load rate and the concrete hourly production capacity of the concrete production system of the pumped storage power station.
Wherein the concrete production capacity of the standby concrete production system is more than or equal to 50% of the concrete production capacity of the main concrete production system. The spare concrete production system is adopted, and the corresponding concrete production capacity is set, so that the spare and auxiliary production effects of accidents can be achieved.
According to the design parameter determining method for the pumped storage power station concrete production system, the average monthly strength and the unbalanced monthly coefficient of concrete pouring during the concrete peak time are redesigned, so that the design parameters are more in line with the design requirements of the concrete production system in the construction process of the pumped storage power station, and guidance is provided for selection of the production capacity of the concrete production system in the subsequent engineering construction process of the pumped storage power station. Therefore, the design and production capacity of the concrete production system of the pumped storage power station can be ensured to better meet the construction requirements of the pumped storage power station, and the problems of insufficient supply and demand of concrete, engineering shutdown and even great influence on the engineering quality during the engineering construction peak period are effectively avoided.
Corresponding to the method embodiments corresponding to fig. 1 and fig. 2, as shown in fig. 8, an embodiment of the present invention further provides a design parameter determining apparatus for a pumped-storage power station concrete production system, including:
the data acquisition unit 31 is configured to acquire preset concrete pouring strength curve data of different standard sections of items in the supply range of the pumped storage power station concrete production system.
And the concrete casting monthly average strength determining unit 32 is used for determining the concrete casting monthly average strength at the concrete peak time period according to the concrete casting strength curve data of each standard section and the concrete casting peak time period of each standard section.
And the monthly unbalance coefficient determining unit 33 is used for determining the monthly unbalance coefficient of the concrete production system of the pumped storage power station according to the preset monthly unbalance coefficient range and the continuous peak time of the concrete.
Specifically, as shown in fig. 9, the concrete casting average monthly strength determining unit 32 includes:
and the standard section concrete casting peak-and-month intensity obtaining module 321 is configured to obtain concrete casting month intensity and concrete casting peak-and-month intensity of each month of the two standard sections according to the concrete casting intensity curve data of the two standard sections.
The concrete pouring monthly average strength determining module 322 is used for superposing the concrete pouring peak monthly strength of the two standard sections to be used as the concrete pouring monthly average strength of the concrete peak time section when the concrete pouring peak monthly distance of the two standard sections is smaller than the preset number of months; when the concrete pouring peak month phase distance of the two standard sections is more than or equal to the preset number of months, overlapping the concrete pouring month strength of each month of the two standard sections to obtain continuous peak month strength values of the overlapped concrete pouring month strength, and taking the average value of the continuous peak month strength values as the concrete pouring month average strength of the concrete pouring peak period; the continuous peak-month strength value is the maximum value of the concrete pouring month strength after superposition and the approximate value of the concrete pouring month strength before and after the maximum value for one to more months; the difference value between the approximate value and the maximum value of the concrete pouring monthly strength after superposition is within a preset interval range; the preset number of months is 6.
According to the design parameter determining system of the pumped storage power station concrete production system provided by the embodiment of the invention, the average strength of concrete pouring in the month and the unbalanced coefficient of the month are redesigned and planned during the concrete peak period, so that the design parameters are more in line with the design requirements of the concrete production system in the construction process of the pumped storage power station, and guidance is provided for the selection of the production capacity of the concrete production system in the subsequent engineering construction process of the pumped storage power station. Therefore, the design and production capacity of the concrete production system of the pumped storage power station can be ensured to better meet the construction requirements of the pumped storage power station, and the problems of insufficient supply and demand of concrete, engineering shutdown and even great influence on the engineering quality during the engineering construction peak period are effectively avoided.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
The principle and the implementation mode of the invention are explained by applying specific embodiments in the invention, and the description of the embodiments is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (7)
1. A method for determining design parameters of a pumped storage power station concrete production system is characterized by comprising the following steps:
acquiring preset concrete pouring strength curve data of different standard sections of items in the supply range of a pumped storage power station concrete production system;
according to the concrete pouring intensity curve data of each standard section and the concrete pouring peak time period of each standard section, determining the average concrete pouring monthly intensity of the concrete at the concrete peak time period, and the method comprises the following steps: according to the concrete pouring strength curve data of the two standard sections, obtaining the concrete pouring month strength and the concrete pouring peak month strength of each month of the two standard sections;
when the concrete pouring peak month phase distance of the two standard sections is smaller than the preset number of months, overlapping the concrete pouring peak month strength of the two standard sections to be used as the concrete pouring month average strength of the concrete pouring peak period;
when the concrete pouring peak month phase distance of the two standard sections is more than or equal to the preset number of months, overlapping the concrete pouring month strength of each month of the two standard sections to obtain continuous peak month strength values of the overlapped concrete pouring month strength, and taking the average value of the continuous peak month strength values as the concrete pouring month average strength of the concrete pouring peak period; the continuous peak-month strength value is the maximum value of the concrete pouring month strength after superposition and the approximate value of the concrete pouring month strength before and after the maximum value for one to more months; the difference value between the approximate value and the maximum value of the concrete pouring monthly strength after superposition is within a preset interval range; the preset number of months is 6;
determining the monthly unbalanced coefficient of the concrete production system of the pumped storage power station according to the preset monthly unbalanced coefficient range and the continuous peak time period of the concrete, wherein the monthly unbalanced coefficient comprises the following steps: determining a month imbalance coefficient maximum value and a month imbalance coefficient minimum value according to a preset month imbalance coefficient range;
when the continuous peak time period of the concrete is less than or equal to a preset first time length threshold value, taking the minimum value of the monthly unbalance coefficient as the monthly unbalance coefficient of the pumped storage power station concrete production system;
when the continuous peak time period of the concrete is greater than or equal to a preset second time threshold value, taking the maximum value of the monthly unbalance coefficient as the monthly unbalance coefficient of the pumped storage power station concrete production system;
when the continuous peak time period of the concrete is greater than the first time threshold and less than the second time threshold, taking a value between the minimum value of the monthly unbalance coefficient and the maximum value of the monthly unbalance coefficient by adopting an interpolation method as the monthly unbalance coefficient of the pumped storage power station concrete production system;
the maximum value of the monthly unbalance coefficient is 1.3, the minimum value of the monthly unbalance coefficient is 1.1, the first duration threshold value is 3 months, and the second duration threshold value is 6 months.
2. The method of determining design parameters for pumped-storage power plant concrete production systems of claim 1, further comprising, after determining the monthly imbalance coefficients for the pumped-storage power plant concrete production system based on a preset monthly imbalance coefficient range and continuous concrete peak hours:
determining the concrete casting peak-month strength according to the concrete casting month average strength and the month unbalance coefficient during the concrete peak period;
and determining the hourly production capacity of the concrete of the pumped storage power station concrete production system according to the concrete pouring peak monthly intensity, the preset monthly working days, the preset daily working hours and the daily and hour imbalance coefficients.
3. The method of determining design parameters for pumped-storage power station concrete production systems of claim 2, wherein said determining a concrete placement peak-to-month strength as a function of said concrete placement monthly average strength and said monthly imbalance factor comprises:
according to the formula: qmA＝k1QmDetermining the peak-month intensity Q of concrete pouringmA(ii) a Wherein k is1Is the monthly imbalance coefficient; qmAnd pouring the average strength of the concrete in the concrete peak period in the month.
4. The method for determining design parameters of a pumped-storage power station concrete production system according to claim 2, wherein the determining the hourly production capacity of concrete for the pumped-storage power station concrete production system based on the high concrete pouring peak monthly strength, the preset monthly working days, the preset daily working hours and the daily and hour imbalance coefficients comprises:
according to the formula:
determining the hourly concrete production capacity Q of a concrete production system of a pumped storage power stationh(ii) a Wherein k is2Is the day and hour imbalance coefficient, k21.5; m is the number of working days of the month, and M is 22; and N is the daily working hours, and N is 18.
5. The method of determining design parameters for pumped storage power plant concrete production systems of claim 2, further comprising, after determining the hourly concrete production capacity of the pumped storage power plant concrete production system based on the high concrete pour peak monthly strength, the preset monthly operating days, the preset daily operating hours, and the daily and hourly imbalance coefficients:
obtaining a preset equipment load rate range; the equipment load rate ranges from 0.5 to 0.7;
when the supply range of the concrete production system of the pumped storage power station is larger than or equal to a preset supply range threshold value, or the concrete mixing ratio type of the concrete production system of the pumped storage power station is larger than or equal to a preset type threshold value, determining that the equipment load rate of the concrete production system of the pumped storage power station is 0.5;
when the supply range of the concrete production system of the pumped storage power station is smaller than a preset supply range threshold value or the mix proportion type of the concrete production system of the pumped storage power station is smaller than a preset type threshold value, determining that the equipment load rate of the concrete production system of the pumped storage power station is 0.7;
and determining the actual production capacity according to the equipment load rate and the hourly concrete production capacity of the concrete production system of the pumped storage power station.
6. The method of determining design parameters for pumped storage power plant concrete production systems of claim 2, further comprising, after determining the hourly concrete production capacity of the pumped storage power plant concrete production system based on the high concrete pour peak monthly strength, the preset monthly operating days, the preset daily operating hours, and the daily and hourly imbalance coefficients:
taking the hourly production capacity of the concrete as the concrete production capacity of a main concrete production system, and setting the concrete production capacity of a standby concrete production system; the concrete production capacity of the standby concrete production system is more than or equal to 50% of the concrete production capacity of the main concrete production system.
7. A design parameter determination apparatus for a pumped-storage power station concrete production system, comprising:
the data acquisition unit is used for acquiring preset concrete pouring strength curve data of different standard sections of items in the supply range of the concrete production system of the pumped storage power station;
the concrete pouring monthly average strength determining unit is used for determining the concrete pouring monthly average strength in the concrete peak period according to the concrete pouring strength curve data of each standard section and the concrete pouring peak period of each standard section;
the monthly unbalance coefficient determining unit is used for determining the monthly unbalance coefficient of the concrete production system of the pumped storage power station according to the preset monthly unbalance coefficient range and the continuous peak time period of the concrete, and comprises the following steps: determining a month imbalance coefficient maximum value and a month imbalance coefficient minimum value according to a preset month imbalance coefficient range;
when the continuous peak time period of the concrete is less than or equal to a preset first time length threshold value, taking the minimum value of the monthly unbalance coefficient as the monthly unbalance coefficient of the pumped storage power station concrete production system;
when the continuous peak time period of the concrete is greater than or equal to a preset second time threshold value, taking the maximum value of the monthly unbalance coefficient as the monthly unbalance coefficient of the pumped storage power station concrete production system;
when the continuous peak time period of the concrete is greater than the first time threshold and less than the second time threshold, taking a value between the minimum value of the monthly unbalance coefficient and the maximum value of the monthly unbalance coefficient by adopting an interpolation method as the monthly unbalance coefficient of the pumped storage power station concrete production system;
wherein the maximum value of the monthly unbalance coefficient is 1.3, the minimum value of the monthly unbalance coefficient is 1.1, the first duration threshold value is 3 months, and the second duration threshold value is 6 months;
the concrete pouring monthly average strength determination unit comprises:
the standard section concrete casting peak-month intensity acquisition module is used for acquiring concrete casting month intensity and concrete casting peak-month intensity of each month of the two standard sections according to the concrete casting intensity curve data of the two standard sections;
the concrete pouring monthly average strength determining module is used for superposing the concrete pouring peak monthly strength of the two sections to be used as the concrete pouring monthly average strength of the concrete at the concrete peak time period when the concrete pouring peak monthly distance of the two sections is less than the preset number of months; when the concrete pouring peak month phase distance of the two standard sections is more than or equal to the preset number of months, overlapping the concrete pouring month strength of each month of the two standard sections to obtain continuous peak month strength values of the overlapped concrete pouring month strength, and taking the average value of the continuous peak month strength values as the concrete pouring month average strength of the concrete pouring peak period; the continuous peak-month strength value is the maximum value of the concrete pouring month strength after superposition and the approximate value of the concrete pouring month strength before and after the maximum value for one to more months; the difference value between the approximate value and the maximum value of the concrete pouring monthly strength after superposition is within a preset interval range; the preset number of months is 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810802857.3A CN108914895B (en) | 2018-07-20 | 2018-07-20 | Design parameter determination method and device for pumped storage power station concrete production system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810802857.3A CN108914895B (en) | 2018-07-20 | 2018-07-20 | Design parameter determination method and device for pumped storage power station concrete production system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108914895A CN108914895A (en) | 2018-11-30 |
| CN108914895B true CN108914895B (en) | 2020-09-04 |
Family
ID=64415367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810802857.3A Active CN108914895B (en) | 2018-07-20 | 2018-07-20 | Design parameter determination method and device for pumped storage power station concrete production system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108914895B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105842070A (en) * | 2016-05-06 | 2016-08-10 | 太原理工大学 | Detection method for compressive strength and elasticity modulus of bridge upper portion prestressed concrete |
| CN107100146A (en) * | 2017-05-25 | 2017-08-29 | 国家电网公司 | A kind of concreting technique |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7003955B2 (en) * | 2003-08-15 | 2006-02-28 | Lester Davis | Enhanced pumped storage power system |
-
2018
- 2018-07-20 CN CN201810802857.3A patent/CN108914895B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105842070A (en) * | 2016-05-06 | 2016-08-10 | 太原理工大学 | Detection method for compressive strength and elasticity modulus of bridge upper portion prestressed concrete |
| CN107100146A (en) * | 2017-05-25 | 2017-08-29 | 国家电网公司 | A kind of concreting technique |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108914895A (en) | 2018-11-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Koritarov et al. | Modeling and analysis of value of advanced pumped storage hydropower in the United States | |
| Hait et al. | On electrical load tracking scheduling for a steel plant | |
| Cotia et al. | Optimization of wind power generation to minimize operation costs in the daily scheduling of hydrothermal systems | |
| CN110535183B (en) | Scheduling method and system of virtual power plant | |
| Cilliers et al. | Cost savings on mine dewatering pumps by reducing preparation-and comeback loads | |
| Kaygusuz | Hydropower as clean and renewable energy source for electricity generation | |
| CN110705808A (en) | Power transmission network planning scheme generation system and method considering maintenance under new energy access | |
| CN109829742A (en) | A kind of fired power generating unit optimum price quotation calculation method and system based on Shen Pay as bid | |
| CN108914895B (en) | Design parameter determination method and device for pumped storage power station concrete production system | |
| CN111967986A (en) | Electric power market clearing method, system, device and medium containing cascade hydropower | |
| CN106711968A (en) | Inverse-time-lag zero-sequence current protection setting method and system | |
| CN106779444A (en) | Based on the active plan load flow rectification method and apparatus that electric network model is extended out | |
| Dubey | Issues and challenges in electricity sector in India | |
| CN110533303A (en) | A kind of ratio calculating appraisal procedure of generating power for their own use based on photovoltaic power station | |
| CN104158177B (en) | Day operation average eguivalent for calculating 10kV Calculating Network Theoretical Line Loss loads methodology | |
| CN112381401A (en) | Power market power generation dispatching plan safety checking method | |
| CN103956727A (en) | Modulated power distribution method with auxiliary direct current control function | |
| Breytenbach et al. | Integration of electricity cost saving interventions on a water distribution utility | |
| CN105046585A (en) | Multi-region security checking method with freely tailorable calculation range | |
| Linn et al. | Enhancing distribution system hosting capacity through active network management | |
| Chukwu et al. | A nomogram for estimating energy loss in a distribution network due to penetration of V2G | |
| CN104037804B (en) | A kind of on-line calculation method of electrical network receivability wind power generation ability | |
| Abdelouadoud et al. | Iterative linear cuts strenghtening the second-order cone relaxation of the distribution system optimal power flow problem | |
| Mukherjee et al. | Cross Border Energy Transactions in India: Present and Future | |
| Yao et al. | Modeling of freshwater production for optimal operation of integrated electrical-water system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |