CN116257951B - Design method and system of horizontal injection pump - Google Patents
Design method and system of horizontal injection pump Download PDFInfo
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Abstract
The invention provides a design method and a system of a horizontal injection pump, wherein first abnormal data or second abnormal data are obtained through analysis of pipeline pressure of a horizontal injection pump of a first version; obtaining third abnormal data or fourth abnormal data according to the input power, the liquid output flow rate and the environmental temperature of the first version horizontal injection pump, detecting the design defect of the first version horizontal injection pump, and obtaining a second version horizontal injection pump according to the adjustment parameters input by a user; the invention can effectively improve the design accuracy of low temperature resistance and pressure loss reduction of the horizontal injection pump.
Description
Technical field:
The invention relates to the technical field of horizontal injection pump design, in particular to a design method and a system of a horizontal injection pump.
The background technology is as follows:
The horizontal injection pump is widely applied to an injection system in an oil well, and the performance of the horizontal injection pump directly influences the efficiency of the injection system of the oil well and indirectly influences the production efficiency of the oil well. However, the horizontal injection pump is subject to deformation of parts such as dimensional changes, or associated dimensional changes, or pressure loss and friction increase of the seal due to dimensional changes, when exposed to low temperature environments, resulting in loss of input power to the horizontal injection pump. Meanwhile, when the pressure of each position point of the horizontal injection pump pipeline is unbalanced, the integral bearing capacity of the pipeline is easily reduced, and the service life of the horizontal residence book is influenced.
Based on the above problems, the invention provides a design method and a system of a horizontal injection pump.
The invention comprises the following steps:
Aiming at the problems that the power loss of the injection pump is affected due to the deformation of parts caused by low temperature of the current horizontal injection pump, the service life is reduced due to unbalanced pressure of a pipeline, and the like, the design method of the horizontal injection pump is provided, and comprises the following steps:
S1, importing a three-dimensional structure of a first version of horizontal injection pump into a three-dimensional design interface, and constructing a three-dimensional simulation model of the first version of horizontal injection pump;
S2, operating the three-dimensional simulation model of the first version horizontal injection pump at different environmental temperatures to obtain the input power, the liquid output flow rate and the pressure value of the inner wall of the pipeline of the first version horizontal injection pump;
s3, inputting a first adjustment parameter of the three-dimensional structure of the first version horizontal injection pump by a user according to the environment temperature, the input power of the first version horizontal injection pump, the liquid output flow rate and the pressure value of the inner wall of the pipeline in the step S2;
S4, obtaining a verification result of the first version horizontal injection pump according to the first adjustment parameters in the step S3;
S5, obtaining a second adjustment parameter according to the verification result in the step S4, and adjusting the three-dimensional structure of the first version horizontal injection pump according to the second adjustment parameter to form the second version horizontal injection pump.
Further, the step S2 of running the three-dimensional simulation model of the first version of the horizontal injection pump at different ambient temperatures to obtain the input power, the liquid output flow rate and the pressure value of the inner wall of the pipeline of the first version of the horizontal injection pump, and specifically includes the following steps:
s21, dividing a range from the normal temperature to the low temperature into a first grade temperature and a second grade temperature;
The first level temperature is in a normal temperature range; the second stage temperature is in a low temperature range;
S22, setting the environment temperature as a first level temperature, running a three-dimensional simulation model of the first version horizontal injection pump, and continuously running for a preset time length T to obtain the input power, the liquid output flow rate and the pressure value of the inner wall of the pipeline of the three-dimensional simulation model of the first version horizontal injection pump at the first level temperature;
S23, setting the environment temperature as a second level temperature, running a three-dimensional simulation model of the first version horizontal injection pump, and continuously running for a preset time length T to obtain the input power, the liquid output flow rate and the pressure value of the inner wall of the pipeline of the three-dimensional simulation model of the first version horizontal injection pump at the second level temperature;
the time length T is the time length for the reciprocation of the plunger in the horizontal injection pump to last for T cycles.
Further, the obtaining the pressure value of the inner wall of the pipe in the steps S22 to S23 specifically includes:
dividing grids on the inner wall of the pipeline to form m x n sub-grids;
a pressure value in each sub-grid is obtained.
Further, the step S3 inputs a first adjustment parameter of the three-dimensional structure of the first version horizontal injection pump according to the environmental temperature, the input power of the first version horizontal injection pump, the output flow rate of the liquid, and the pressure value of the inner wall of the pipeline in the step S2, and specifically includes the following steps:
S31, traversing pressure values of all sub-grids on the inner wall of the pipeline, and feeding back the positions of the sub-grids on the inner wall of the pipeline of the horizontal injection pump with abnormal data and the abnormal data to a user when first abnormal data appear in the pressure values, wherein the user inputs first adjustment parameters of the three-dimensional structure of the horizontal injection pump of the first version; when the pressure value has the second abnormal data, executing step S32;
S32, judging whether third abnormal data or fourth abnormal data are generated according to the ambient temperature, the input power and the liquid output flow rate, if so, feeding back the data of the parts with the abnormal data to a user, and inputting a first adjustment parameter of the three-dimensional structure of the horizontal injection pump of the first version by the user.
Further, the step S31 specifically includes the following steps:
S311, obtaining the pressure curve value of each sub-grid of the inner wall of the pipeline in the current period;
the starting time to the ending time of the single reciprocation of the plunger in the horizontal injection pump are taken as a period;
The pressure curve value is the pressure value of the subgrid changing along with time in a single period;
S312, comparing the pressure curve value of each subgrid in the current period with the pressure curve value of the corresponding subgrid in the previous period, and executing the step S313 when the ratio of the number of subgrids with pressure curve value jump in the current period to the total number of subgrids on the inner wall of the pipeline exceeds a first preset threshold r 1;
when the ratio of the number of the subgrids with the jump of the pressure curve value in the current period to the total number of the subgrids on the inner wall of the pipeline is lower than a second preset threshold r2, executing steps S314 to S317;
S313, continuously acquiring pressure curve values of the next three periods of the current period of each sub-grid, comparing the acquired pressure curve values of the next three periods with the pressure curve values of the last period of the current period to obtain the number of sub-grids with pressure curve value jump in each period of the next three periods, and judging that second abnormal data appear in the pressure values if the occupation ratio of the obtained number of sub-grids to the total number of grids on the inner wall of the pipeline exceeds a preset threshold r 1;
S314, acquiring the position of the subgrid with the pressure curve value jump, and acquiring the jump amplitude A of the pressure value in the subgrid with the pressure curve value jump;
s315, acquiring pressure curve values of a plurality of adjacent sub-grids of the sub-grid position, and acquiring jump magnitudes of the pressure values of the plurality of adjacent sub-grids;
s316, calculating an average value P of jump magnitudes of the pressure values of the plurality of adjacent sub-grids in the step S315, obtaining an absolute value |A-P| of a difference value between the average value and the jump magnitudes obtained in the step S314, and executing the step S317 when (|A-P|)/A > r 3;
r3 is a third preset threshold;
S317 continuously obtaining jump amplitude A 'of pressure values of next three periods of the subgrid with the jump of the pressure curve value in the step S314, obtaining jump amplitude of pressure values of next three periods of a plurality of adjacent subgrids of the subgrid with the jump of the pressure curve value, calculating average value P' of jump amplitude of pressure values of a plurality of adjacent subgrids in each period of the next three periods, wherein each period of the next three periods satisfies And judging that the first abnormal data of the pressure value occurs.
Further, the method for determining the jump of the pressure curve in step S312 specifically includes the following steps:
s3121, obtaining an average value D, S of pressure curve values of a current period and a period previous to the current period;
S3122 when When the pressure curve value of the current period is in jump;
And r4 is a fourth preset threshold value.
Further, the method for calculating the jump amplitude of the pressure value in step S314 and step S315 is as follows:
Jump amplitude= |d-s|.
Further, the method for calculating the jump amplitude of the pressure value in step S317 includes:
s3171, obtaining an average value X 1、X2、X3 of the pressure curve values of each of the next three periods of the current period;
S3171, obtaining jump amplitudes of pressure values of the next three periods of the current period, wherein the jump amplitudes are respectively as follows: x 1-S|、|X2-S|、|X3 -S.
Further, the step S32 judges whether third abnormal data or fourth abnormal data occur according to the ambient temperature, the input power and the liquid output flow rate, if so, the data of the parts with abnormal data are fed back to the user, and the user inputs the first adjustment parameter of the three-dimensional structure of the horizontal injection pump of the first version, which specifically includes the following steps:
s321, when the ambient temperature is the first grade temperature, comparing whether the input power of the current period is consistent with the input power of the previous period of the current period, and if so, executing step S322;
s322, when the liquid output flow rate of the current period is smaller than that of the previous period, acquiring the liquid output flow rates of the next three periods of the current period, judging that fourth abnormal data appear when the liquid output flow rates of the next three periods are smaller than that of the previous period of the current period, feeding back the size data and the structure data of the pipeline sealing piece to a user, and inputting first adjustment parameters of the three-dimensional structure of the horizontal injection pump of the first version by the user;
s323, when the ambient temperature is the second grade temperature, acquiring the liquid output flow velocity V 1 and the pressure curve value of the current period;
Taking two time points t 1、t2 in the current period, wherein t 1<t2;
Obtaining an output liquid flow value L between time points t 1 and t 2, and obtaining an input power value W 1 consumed by the liquid flow value;
S324, setting the environment temperature of the three-dimensional simulation model of the first version horizontal injection pump as a first grade temperature, and simultaneously setting the pressure value in a pipeline of the three-dimensional simulation model of the first version horizontal injection pump according to the pressure curve value obtained in the step S323, and operating the three-dimensional simulation model of the first version horizontal injection pump to obtain a liquid output flow velocity V 2 of one period;
Taking a time point t 1 in the period as a starting time, and taking the time when the output liquid flow value reaches L as an ending time, and obtaining an input power value W 2 consumed from the starting time to the ending time;
S325, judging whether third abnormal data appear according to the liquid output flow velocity V 1 and the input power value W 1 obtained in the step S323 and the liquid output flow velocity V 2 and the input power value W 2 obtained in the step S324, if so, feeding back the names, the size data and the structure data of the abnormal parts to a user, and inputting a first adjustment parameter of the three-dimensional structure of the horizontal injection pump of the first version by the user.
Further, the step S325 judges whether third abnormal data occurs according to the liquid output flow rate V 1 and the input power value W 1 obtained in the step S323 and the liquid output flow rate V 2 and the input power value W 2 obtained in the step S324, if so, the abnormal part name, the size data and the structure data are fed back to the user, and the user inputs the first adjustment parameters of the three-dimensional structure of the first version horizontal injection pump, which specifically includes the following steps:
S3251 when Judging that third abnormal data occurs when the third abnormal data occur;
r5 is a fifth preset threshold;
S3252, obtaining first deformation value of a plurality of key parts in a first version of horizontal injection pump three-dimensional simulation model, and obtaining second deformation value of the plurality of key parts by adopting a similarity method;
The key parts are parts which consume the pressure and the power of the horizontal injection pump due to self deformation in a low-temperature environment, and are prestored for users;
S3253, calculating an average value of the first deformation value and the second deformation value of the plurality of key parts in the step S3252, sequencing the plurality of key parts according to the sequence from high to low of the average value, feeding back part names, size data and structure data to a user according to sequencing results, and inputting a first adjustment parameter of the three-dimensional structure of the horizontal injection pump of the first version by the user.
Further, the step S3252 obtains a first deformation value of a plurality of key parts in the first version of the three-dimensional simulation model of the horizontal injection pump, and obtains a second deformation value of the plurality of key parts by adopting a similarity method, and specifically includes the following steps:
s32521, obtaining first deformation value of a plurality of key parts in the three-dimensional simulation model of the horizontal injection pump of the first version; the first deformation value is the difference value between the size data at the current environment temperature and the size data at the first grade environment temperature;
S32522, obtaining deformation quantity numerical samples of a plurality of key parts in a historical experience database;
the deformation quantity numerical sample comprises part names, environment temperature and actual deformation quantity numerical values;
s32523, selecting one key part of the key parts in the step S32521, acquiring a plurality of deformation value samples with the same names as the parts of the selected key part and an environmental temperature difference within an error range of 5% from the deformation value samples in the step S32522, calculating an average value of actual deformation values in the acquired plurality of deformation value samples, and taking the average value as a second deformation value.
Further, the step S4 obtains the verification result of the first version of the horizontal injection pump according to the first adjustment parameter in the step S3, and specifically includes the following steps:
s41, aiming at the position and abnormal data of the subgrid of the inner wall of the pipeline of the feedback horizontal injection pump, or the size data and the structure data of a pipeline sealing piece, or the names, the size data and the structure data of parts, a user inputs a first adjustment parameter aiming at the fed-back parts;
The first adjusting parameter is one of a size adjusting parameter, a thickness adjusting parameter and a material type adjusting parameter;
S42, after a user inputs a first adjustment parameter and before the adjusted part is assembled to the first version horizontal injection pump, automatically obtaining a verification result of the first version horizontal injection pump aiming at the first adjustment parameter;
the verification result is operation result data of the first version horizontal injection pump three-dimensional simulation model after the adjustment of the parts; the operation result data includes results of whether the first, second, third, and fourth abnormal data occur.
Further, the step S5 obtains a second adjustment parameter according to the verification result in the step S4, and adjusts the three-dimensional structure of the first version horizontal injection pump according to the second adjustment parameter to form a second version horizontal injection pump, which specifically includes the following steps:
S51, continuously adjusting the first adjustment parameters by the user according to the verification result in the step S42, and taking the current value of the first adjustment parameters as the second adjustment parameters when the verification result is that the first abnormal data, the second abnormal data, the third abnormal data and the fourth abnormal data do not appear;
S52, adjusting the three-dimensional structure of the first version horizontal injection pump according to the second adjusting parameters to form a second version horizontal injection pump.
The invention also provides a design system of the horizontal injection pump, which is characterized in that the system executes the following steps:
S1, importing a three-dimensional structure of a first version of horizontal injection pump into a three-dimensional design interface, and constructing a three-dimensional simulation model of the first version of horizontal injection pump;
S2, operating the three-dimensional simulation model of the first version horizontal injection pump at different environmental temperatures to obtain the input power, the liquid output flow rate and the pressure value of the inner wall of the pipeline of the first version horizontal injection pump;
s3, inputting a first adjustment parameter of the three-dimensional structure of the first version horizontal injection pump by a user according to the environment temperature, the input power of the first version horizontal injection pump, the liquid output flow rate and the pressure value of the inner wall of the pipeline in the step S2;
S4, obtaining a verification result of the first version horizontal injection pump according to the first adjustment parameters in the step S3;
S5, obtaining a second adjustment parameter according to the verification result in the step S4, and adjusting the three-dimensional structure of the first version horizontal injection pump according to the second adjustment parameter to form the second version horizontal injection pump.
The beneficial effects of the invention are as follows:
1. According to the invention, the three-dimensional design structure of the horizontal injection pump of the first version is evaluated according to the pressure value, the input power, the liquid output flow rate and the environmental temperature of the inner wall of the pipeline of the horizontal injection pump, and the defects of the horizontal injection pump of the first version in terms of low temperature and pressure loss are found, so that the performances of the horizontal injection pump of the second version in terms of low temperature resistance and pressure loss are improved;
2. According to the invention, the first abnormal data, the second abnormal data, the third abnormal data and the fourth abnormal data are adopted to evaluate and classify the design defects of the first version horizontal injection pump, so that the detection accuracy of the design defects of the first version horizontal injection pump in low temperature and pressure loss can be improved, and the design efficiency and accuracy of the second version horizontal injection pump are improved;
3. According to the invention, the pipeline pressure loss is estimated by adopting the pressure curve values of three continuous periods and dividing the pipeline into the subgrid and counting the jump number proportion of the pressure curve values in the subgrid, so that the accuracy of pipeline pressure loss estimation is improved;
4. according to the invention, the input power, the liquid output flow rate and the pressure value of the inner wall of the pipeline of the first version horizontal injection pump are adopted to divide the third abnormal data and the fourth abnormal data, so that the design defect of the first version horizontal injection pump in the aspect of low temperature resistance is detected in a refined manner, and the accuracy of the design of the second version horizontal injection pump is improved;
5. According to the invention, the input power of the liquid output flow velocity and the fixed output flow loss in the low-temperature environment is compared with the input power of the liquid output flow velocity and the fixed output flow loss in the normal environment temperature, so that the accuracy of detecting the third abnormal data of the power loss caused by the low temperature is improved;
6. in the invention, in the process of inputting the first adjustment parameters by the user, the system automatically verifies whether the first abnormal data, the second abnormal data, the third abnormal data and the fourth abnormal data can appear according to the first adjustment parameters, verifies the first adjustment parameters input by the user in real time, provides accurate verification data for the user, and improves the efficiency of locking the accurate adjustment parameters by the user.
The foregoing description is only an overview of the present invention, and is intended to be more clearly understood as the present invention, as it is embodied in the following description, and is intended to be more clearly understood as the following description of the preferred embodiments, given in detail, of the present invention, along with other objects, features and advantages of the present invention.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to designate like parts throughout the figures. In the drawings:
Fig. 1 is a flow chart of a design method of a horizontal injection pump.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
In the description of the present invention, unless explicitly stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, connected, detachably connected, or integrated; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
[ Embodiment one ]
A design method of a horizontal injection pump is provided. The method comprises the following steps:
S1, importing a three-dimensional structure of a first version of horizontal injection pump into a three-dimensional design interface, and constructing a three-dimensional simulation model of the first version of horizontal injection pump;
The first version of horizontal injection pump is a designed horizontal injection pump, and comprises a plunger, a pipeline and other part structures;
S2, operating the three-dimensional simulation model of the first version horizontal injection pump at different environmental temperatures to obtain the input power, the liquid output flow rate and the pressure value of the inner wall of the pipeline of the first version horizontal injection pump;
the input power is obtained by the horizontal injection pump according to the input voltage and the input time length;
The liquid output flow rate is the flow rate of the liquid output by the output port of the horizontal injection pump;
step S2 is to operate the three-dimensional simulation model of the first version horizontal injection pump at different environmental temperatures to obtain the input power, the liquid output flow rate and the pressure value of the inner wall of the pipeline of the first version horizontal injection pump, and specifically comprises the following steps:
s21, dividing a range from the normal temperature to the low temperature into a first grade temperature and a second grade temperature;
The first level temperature is in a normal temperature range; the second stage temperature is in a low temperature range;
the specific numerical value ranges of the first grade temperature and the second grade temperature can be flexibly set by a user;
S22, setting the environment temperature as a first level temperature, running a three-dimensional simulation model of the first version horizontal injection pump, and continuously running for a preset time length T to obtain the input power, the liquid output flow rate and the pressure value of the inner wall of the pipeline of the three-dimensional simulation model of the first version horizontal injection pump at the first level temperature;
S23, setting the environment temperature as a second level temperature, running a three-dimensional simulation model of the first version horizontal injection pump, and continuously running for a preset time length T to obtain the input power, the liquid output flow rate and the pressure value of the inner wall of the pipeline of the three-dimensional simulation model of the first version horizontal injection pump at the second level temperature;
the time length T is the time length for the reciprocation of the plunger in the horizontal injection pump to last for T cycles.
The obtaining the pressure value of the inner wall of the pipeline in the steps S22 to S23 specifically includes:
dividing grids on the inner wall of the pipeline to form m x n sub-grids;
a pressure value in each sub-grid is obtained.
S3, inputting a first adjustment parameter of the three-dimensional structure of the first version horizontal injection pump by a user according to the environment temperature, the input power of the first version horizontal injection pump, the liquid output flow rate and the pressure value of the inner wall of the pipeline in the step S2;
Step S3 is to input a first adjustment parameter of the three-dimensional structure of the first version horizontal injection pump according to the environmental temperature, the input power of the first version horizontal injection pump, the liquid output flow rate and the pressure value of the inner wall of the pipeline in step S2, and specifically comprises the following steps:
S31, traversing pressure values of all sub-grids on the inner wall of the pipeline, and feeding back the positions of the sub-grids on the inner wall of the pipeline of the horizontal injection pump with abnormal data and the abnormal data to a user when first abnormal data appear in the pressure values, wherein the user inputs first adjustment parameters of the three-dimensional structure of the horizontal injection pump of the first version; when the pressure value has the second abnormal data, executing step S32;
The step S31 specifically includes the following steps:
S311, obtaining the pressure curve value of each sub-grid of the inner wall of the pipeline in the current period;
the starting time to the ending time of the single reciprocation of the plunger in the horizontal injection pump are taken as a period;
The pressure curve value is the pressure value of the subgrid changing along with time in a single period;
S312, comparing the pressure curve value of each subgrid in the current period with the pressure curve value of the corresponding subgrid in the previous period, and executing the step S313 when the ratio of the number of subgrids with pressure curve value jump in the current period to the total number of subgrids on the inner wall of the pipeline exceeds a first preset threshold r 1;
when the ratio of the number of the subgrids with the jump of the pressure curve value in the current period to the total number of the subgrids on the inner wall of the pipeline is lower than a second preset threshold r2, executing steps S314 to S317;
The first preset threshold r1 and the second preset threshold r2 can be flexibly set by a user according to an actual scene.
The method for judging the jump of the pressure curve value in the step S312 specifically comprises the following steps:
s3121, obtaining an average value D, S of pressure curve values of a current period and a period previous to the current period;
S3122 when When the pressure curve value of the current period is in jump;
And r4 is a fourth preset threshold value.
S313, continuously acquiring pressure curve values of the next three periods of the current period of each sub-grid, comparing the acquired pressure curve values of the next three periods with the pressure curve values of the last period of the current period to obtain the number of sub-grids with pressure curve value jump in each period of the next three periods, and judging that second abnormal data appear in the pressure values if the occupation ratio of the obtained number of sub-grids to the total number of grids on the inner wall of the pipeline exceeds a preset threshold r 1;
S314, acquiring the position of the subgrid with the pressure curve value jump, and acquiring the jump amplitude A of the pressure value in the subgrid with the pressure curve value jump;
s315, acquiring pressure curve values of a plurality of adjacent sub-grids of the sub-grid position, and acquiring jump magnitudes of the pressure values of the plurality of adjacent sub-grids;
the calculation method of the jump amplitude of the pressure value in step S314 and step S315 is as follows:
Jump amplitude= |d-s|.
S316, calculating an average value P of jump magnitudes of the pressure values of the plurality of adjacent sub-grids in the step S315, obtaining an absolute value |A-P| of a difference value between the average value and the jump magnitudes obtained in the step S314, and executing the step S317 when (|A-P|)/A > r 3;
r3 is a third preset threshold;
the third preset threshold r3 and the fourth preset threshold r4 are flexibly set by a user according to practical application.
S317 continuously obtaining jump amplitude A 'of pressure values of next three periods of the subgrid with the jump of the pressure curve value in the step S314, obtaining jump amplitude of pressure values of next three periods of a plurality of adjacent subgrids of the subgrid with the jump of the pressure curve value, calculating average value P' of jump amplitude of pressure values of a plurality of adjacent subgrids in each period of the next three periods, wherein each period of the next three periods satisfiesAnd judging that the first abnormal data of the pressure value occurs.
The method for calculating the jump amplitude of the pressure value in step S317 is as follows:
s3171, obtaining an average value X 1、X2、X3 of the pressure curve values of each of the next three periods of the current period;
S3171, obtaining jump amplitudes of pressure values of the next three periods of the current period, wherein the jump amplitudes are respectively as follows: x 1-S|、|X2-S|、|X3 -S.
S32, judging whether third abnormal data or fourth abnormal data are generated according to the ambient temperature, the input power and the liquid output flow rate, if so, feeding back the data of the parts with the abnormal data to a user, and inputting a first adjustment parameter of the three-dimensional structure of the horizontal injection pump of the first version by the user.
Step S32 judges whether third abnormal data or fourth abnormal data occur according to the ambient temperature, the input power and the liquid output flow rate, if yes, the data of the parts with abnormal data are fed back to the user, and the user inputs a first adjustment parameter of the three-dimensional structure of the horizontal injection pump of the first version, specifically comprising the following steps:
s321, when the ambient temperature is the first grade temperature, comparing whether the input power of the current period is consistent with the input power of the previous period of the current period, and if so, executing step S322;
s322, when the liquid output flow rate of the current period is smaller than that of the previous period, acquiring the liquid output flow rates of the next three periods of the current period, judging that fourth abnormal data appear when the liquid output flow rates of the next three periods are smaller than that of the previous period of the current period, feeding back the size data and the structure data of the pipeline sealing piece to a user, and inputting first adjustment parameters of the three-dimensional structure of the horizontal injection pump of the first version by the user;
s323, when the ambient temperature is the second grade temperature, acquiring the liquid output flow velocity V 1 and the pressure curve value of the current period;
Taking two time points t 1、t2 in the current period, wherein t 1<t2;
Obtaining an output liquid flow value L between time points t 1 and t 2, and obtaining an input power value W 1 consumed by the liquid flow value;
S324, setting the environment temperature of the three-dimensional simulation model of the first version horizontal injection pump as a first grade temperature, and simultaneously setting the pressure value in a pipeline of the three-dimensional simulation model of the first version horizontal injection pump according to the pressure curve value obtained in the step S323, and operating the three-dimensional simulation model of the first version horizontal injection pump to obtain a liquid output flow velocity V 2 of one period;
Taking a time point t 1 in the period as a starting time, and taking the time when the output liquid flow value reaches L as an ending time, and obtaining an input power value W 2 consumed from the starting time to the ending time;
S325, judging whether third abnormal data appear according to the liquid output flow velocity V 1 and the input power value W 1 obtained in the step S323 and the liquid output flow velocity V 2 and the input power value W 2 obtained in the step S324, if so, feeding back the names, the size data and the structure data of the abnormal parts to a user, and inputting a first adjustment parameter of the three-dimensional structure of the horizontal injection pump of the first version by the user.
Step S325 judges whether third abnormal data occurs according to the liquid output flow velocity V 1 and the input power value W 1 obtained in step S323 and the liquid output flow velocity V 2 and the input power value W 2 obtained in step S324, if so, the abnormal part name, the size data and the structure data are fed back to the user, and the user inputs a first adjustment parameter of the three-dimensional structure of the first version horizontal injection pump, which specifically includes the following steps:
S3251 when Judging that third abnormal data occurs when the third abnormal data occur;
r5 is a fifth preset threshold;
the fifth preset threshold r5 is flexibly set by a user according to practical application.
S3252, obtaining first deformation value of a plurality of key parts in a first version of horizontal injection pump three-dimensional simulation model, and obtaining second deformation value of the plurality of key parts by adopting a similarity method;
The key parts are parts which consume the pressure and the power of the horizontal injection pump due to self deformation in a low-temperature environment, and are prestored for users;
Step S3252 obtains first deformation values of a plurality of key parts in the first version of the three-dimensional simulation model of the horizontal injection pump, and obtains second deformation values of the plurality of key parts by adopting a similarity method, and specifically includes the following steps:
s32521, obtaining first deformation value of a plurality of key parts in the three-dimensional simulation model of the horizontal injection pump of the first version; the first deformation value is the difference value between the size data at the current environment temperature and the size data at the first grade environment temperature;
S32522, obtaining deformation quantity numerical samples of a plurality of key parts in a historical experience database;
the deformation quantity numerical sample comprises part names, environment temperature and actual deformation quantity numerical values;
s32523, selecting one key part of the key parts in the step S32521, acquiring a plurality of deformation value samples with the same names as the parts of the selected key part and an environmental temperature difference within an error range of 5% from the deformation value samples in the step S32522, calculating an average value of actual deformation values in the acquired plurality of deformation value samples, and taking the average value as a second deformation value.
S3253, calculating an average value of the first deformation value and the second deformation value of the plurality of key parts in the step S3252, sequencing the plurality of key parts according to the sequence from high to low of the average value, feeding back part names, size data and structure data to a user according to sequencing results, and inputting a first adjustment parameter of the three-dimensional structure of the horizontal injection pump of the first version by the user.
S4, obtaining a verification result of the first version horizontal injection pump according to the first adjustment parameters in the step S3;
The step S4 obtains a verification result of the first version horizontal injection pump according to the first adjustment parameter in the step S3, and specifically includes the following steps:
s41, aiming at the position and abnormal data of the subgrid of the inner wall of the pipeline of the feedback horizontal injection pump, or the size data and the structure data of a pipeline sealing piece, or the names, the size data and the structure data of parts, a user inputs a first adjustment parameter aiming at the fed-back parts;
The first adjusting parameter is one of a size adjusting parameter, a thickness adjusting parameter and a material type adjusting parameter;
S42, after a user inputs a first adjustment parameter and before the adjusted part is assembled to the first version horizontal injection pump, automatically obtaining a verification result of the first version horizontal injection pump aiming at the first adjustment parameter;
the verification result is operation result data of the first version horizontal injection pump three-dimensional simulation model after the adjustment of the parts; the operation result data includes results of whether the first, second, third, and fourth abnormal data occur.
S5, obtaining a second adjustment parameter according to the verification result in the step S4, and adjusting the three-dimensional structure of the first version horizontal injection pump according to the second adjustment parameter to form the second version horizontal injection pump.
The step S5 root specifically comprises the following steps:
S51, continuously adjusting the first adjustment parameters by the user according to the verification result in the step S42, and taking the current value of the first adjustment parameters as the second adjustment parameters when the verification result is that the first abnormal data, the second abnormal data, the third abnormal data and the fourth abnormal data do not appear;
S52, adjusting the three-dimensional structure of the first version horizontal injection pump according to the second adjusting parameters to form a second version horizontal injection pump.
[ Example two ]
A system for designing a horizontal injection pump, the system comprising the steps of:
S1, importing a three-dimensional structure of a first version of horizontal injection pump into a three-dimensional design interface, and constructing a three-dimensional simulation model of the first version of horizontal injection pump;
S2, operating the three-dimensional simulation model of the first version horizontal injection pump at different environmental temperatures to obtain the input power, the liquid output flow rate and the pressure value of the inner wall of the pipeline of the first version horizontal injection pump;
s3, inputting a first adjustment parameter of the three-dimensional structure of the first version horizontal injection pump by a user according to the environment temperature, the input power of the first version horizontal injection pump, the liquid output flow rate and the pressure value of the inner wall of the pipeline in the step S2;
S4, obtaining a verification result of the first version horizontal injection pump according to the first adjustment parameters in the step S3;
S5, obtaining a second adjustment parameter according to the verification result in the step S4, and adjusting the three-dimensional structure of the first version horizontal injection pump according to the second adjustment parameter to form the second version horizontal injection pump.
The beneficial effects of the invention are as follows:
1. According to the invention, the three-dimensional design structure of the horizontal injection pump of the first version is evaluated according to the pressure value, the input power, the liquid output flow rate and the environmental temperature of the inner wall of the pipeline of the horizontal injection pump, and the defects of the horizontal injection pump of the first version in terms of low temperature and pressure loss are found, so that the performances of the horizontal injection pump of the second version in terms of low temperature resistance and pressure loss are improved;
2. According to the invention, the first abnormal data, the second abnormal data, the third abnormal data and the fourth abnormal data are adopted to evaluate and classify the design defects of the first version horizontal injection pump, so that the detection accuracy of the design defects of the first version horizontal injection pump in low temperature and pressure loss can be improved, and the design efficiency and accuracy of the second version horizontal injection pump are improved;
3. According to the invention, the pipeline pressure loss is estimated by adopting the pressure curve values of three continuous periods and dividing the pipeline into the subgrid and counting the jump number proportion of the pressure curve values in the subgrid, so that the accuracy of pipeline pressure loss estimation is improved;
4. according to the invention, the input power, the liquid output flow rate and the pressure value of the inner wall of the pipeline of the first version horizontal injection pump are adopted to divide the third abnormal data and the fourth abnormal data, so that the design defect of the first version horizontal injection pump in the aspect of low temperature resistance is detected in a refined manner, and the accuracy of the design of the second version horizontal injection pump is improved;
5. According to the invention, the input power of the liquid output flow velocity and the fixed output flow loss in the low-temperature environment is compared with the input power of the liquid output flow velocity and the fixed output flow loss in the normal environment temperature, so that the accuracy of detecting the third abnormal data of the power loss caused by the low temperature is improved;
6. in the invention, in the process of inputting the first adjustment parameters by the user, the system automatically verifies whether the first abnormal data, the second abnormal data, the third abnormal data and the fourth abnormal data can appear according to the first adjustment parameters, verifies the first adjustment parameters input by the user in real time, provides accurate verification data for the user, and improves the efficiency of locking the accurate adjustment parameters by the user.
The present invention is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present invention are intended to be included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (6)
1. The design method of the horizontal injection pump is characterized by comprising the following steps of:
S1, importing a three-dimensional structure of a first version of horizontal injection pump into a three-dimensional design interface, and constructing a three-dimensional simulation model of the first version of horizontal injection pump;
S2, operating the three-dimensional simulation model of the first version horizontal injection pump at different environmental temperatures to obtain the input power, the liquid output flow rate and the pressure value of the inner wall of the pipeline of the first version horizontal injection pump;
s3, inputting a first adjustment parameter of the three-dimensional structure of the first version horizontal injection pump by a user according to the environment temperature, the input power of the first version horizontal injection pump, the liquid output flow rate and the pressure value of the inner wall of the pipeline in the step S2;
S4, obtaining a verification result of the first version horizontal injection pump according to the first adjustment parameters in the step S3;
S5, obtaining a second adjustment parameter according to the verification result in the step S4, and adjusting the three-dimensional structure of the first version horizontal injection pump according to the second adjustment parameter to form a second version horizontal injection pump;
Step S3 is to input a first adjustment parameter of the three-dimensional structure of the first version horizontal injection pump according to the environmental temperature, the input power of the first version horizontal injection pump, the liquid output flow rate and the pressure value of the inner wall of the pipeline in step S2, and specifically comprises the following steps:
S31, traversing pressure values of all sub-grids on the inner wall of the pipeline, and feeding back the positions of the sub-grids on the inner wall of the pipeline of the horizontal injection pump with abnormal data and the abnormal data to a user when first abnormal data appear in the pressure values, wherein the user inputs first adjustment parameters of the three-dimensional structure of the horizontal injection pump of the first version; when the pressure value has the second abnormal data, executing step S32;
s32, judging whether third abnormal data or fourth abnormal data are generated according to the ambient temperature, the input power and the liquid output flow rate, if so, feeding back the data of the parts with the abnormal data to a user, and inputting a first adjustment parameter of the three-dimensional structure of the horizontal injection pump of the first version by the user;
The step S31 specifically includes the following steps:
S311, obtaining the pressure curve value of each sub-grid of the inner wall of the pipeline in the current period;
the starting time to the ending time of the single reciprocation of the plunger in the horizontal injection pump are taken as a period;
The pressure curve value is the pressure value of the subgrid changing along with time in a single period;
S312, comparing the pressure curve value of each subgrid in the current period with the pressure curve value of the corresponding subgrid in the previous period, and executing the step S313 when the ratio of the number of subgrids with pressure curve value jump in the current period to the total number of subgrids on the inner wall of the pipeline exceeds a first preset threshold r 1;
when the ratio of the number of the subgrids with the jump of the pressure curve value in the current period to the total number of the subgrids on the inner wall of the pipeline is lower than a second preset threshold r2, executing steps S314 to S317;
S313, continuously acquiring pressure curve values of the next three periods of the current period of each sub-grid, comparing the acquired pressure curve values of the next three periods with the pressure curve values of the last period of the current period to obtain the number of sub-grids with pressure curve value jump in each period of the next three periods, and judging that second abnormal data appear in the pressure values if the occupation ratio of the obtained number of sub-grids to the total number of grids on the inner wall of the pipeline exceeds a preset threshold r 1;
S314, acquiring the position of the subgrid with the pressure curve value jump, and acquiring the jump amplitude A of the pressure value in the subgrid with the pressure curve value jump;
s315, acquiring pressure curve values of a plurality of adjacent sub-grids of the sub-grid position, and acquiring jump magnitudes of the pressure values of the plurality of adjacent sub-grids;
s316, calculating an average value P of jump magnitudes of the pressure values of the plurality of adjacent sub-grids in the step S315, obtaining an absolute value |A-P| of a difference value between the average value and the jump magnitudes obtained in the step S314, and executing the step S317 when (|A-P|)/A > r 3;
r3 is a third preset threshold;
S317 continuously obtaining jump amplitude A 'of pressure values of next three periods of the subgrid with the jump of the pressure curve value in the step S314, obtaining jump amplitude of pressure values of next three periods of a plurality of adjacent subgrids of the subgrid with the jump of the pressure curve value, calculating average value P' of jump amplitude of pressure values of a plurality of adjacent subgrids in each period of the next three periods, wherein each period of the next three periods satisfies And judging that the first abnormal data of the pressure value occurs.
2. The method for designing a horizontal injection pump according to claim 1, wherein the step S2 is performed by running the three-dimensional simulation model of the first version of the horizontal injection pump at different ambient temperatures to obtain the input power, the liquid output flow rate, and the pressure value of the inner wall of the pipeline of the first version of the horizontal injection pump, and specifically comprises the following steps:
s21, dividing a range from the normal temperature to the low temperature into a first grade temperature and a second grade temperature;
S22, setting the environment temperature as a first level temperature, running a three-dimensional simulation model of the first version horizontal injection pump, and continuously running for a preset time length T to obtain the input power, the liquid output flow rate and the pressure value of the inner wall of the pipeline of the three-dimensional simulation model of the first version horizontal injection pump at the first level temperature;
S23, setting the environment temperature as a second level temperature, running a three-dimensional simulation model of the first version horizontal injection pump, and continuously running for a preset time length T to obtain the input power, the liquid output flow rate and the pressure value of the inner wall of the pipeline of the three-dimensional simulation model of the first version horizontal injection pump at the second level temperature;
the time length T is the time length for the reciprocation of the plunger in the horizontal injection pump to last for T cycles.
3. The method for designing a horizontal injection pump according to claim 2, wherein the obtaining the pressure value of the inner wall of the pipe in step S22 to step S23 specifically comprises:
dividing grids on the inner wall of the pipeline to form m x n sub-grids;
a pressure value in each sub-grid is obtained.
4. The method according to claim 3, wherein the step S32 is configured to determine whether third abnormal data or fourth abnormal data are generated according to the ambient temperature, the input power, and the output flow rate of the liquid, if so, feedback the data of the parts with abnormal data to the user, and the user inputs the first adjustment parameter of the three-dimensional structure of the first version of the horizontal injection pump, and specifically includes the steps of:
s321, when the ambient temperature is the first grade temperature, comparing whether the input power of the current period is consistent with the input power of the previous period of the current period, and if so, executing step S322;
s322, when the liquid output flow rate of the current period is smaller than that of the previous period, acquiring the liquid output flow rates of the next three periods of the current period, judging that fourth abnormal data appear when the liquid output flow rates of the next three periods are smaller than that of the previous period of the current period, feeding back the size data and the structure data of the pipeline sealing piece to a user, and inputting first adjustment parameters of the three-dimensional structure of the horizontal injection pump of the first version by the user;
s323, when the ambient temperature is the second level temperature, acquiring the liquid output flow velocity V1 and the pressure curve value of the current period;
Taking two time points t 1、t2 in the current period, wherein t 1＜t2;
Obtaining an output liquid flow value L between time points t 1 and t 2, and obtaining an input power value W 1 consumed by the liquid flow value;
S324, setting the environment temperature of the three-dimensional simulation model of the first version horizontal injection pump as a first grade temperature, and simultaneously setting the pressure value in a pipeline of the three-dimensional simulation model of the first version horizontal injection pump according to the pressure curve value obtained in the step S323, and operating the three-dimensional simulation model of the first version horizontal injection pump to obtain a liquid output flow velocity V 2 of one period;
Taking a time point t 1 in the period as a starting time, and taking the time when the output liquid flow value reaches L as an ending time, and obtaining an input power value W 2 consumed from the starting time to the ending time;
S325, judging whether third abnormal data appear according to the liquid output flow velocity V 1 and the input power value W 1 obtained in the step S323 and the liquid output flow velocity V 2 and the input power value W 2 obtained in the step S324, if so, feeding back the names, the size data and the structure data of the abnormal parts to a user, and inputting a first adjustment parameter of the three-dimensional structure of the horizontal injection pump of the first version by the user.
5. The method for designing a horizontal injection pump according to claim 4, wherein the step S4 obtains the verification result of the horizontal injection pump of the first version according to the first adjustment parameter in the step S3, and specifically includes the following steps:
s41, aiming at the position and abnormal data of the subgrid of the inner wall of the pipeline of the feedback horizontal injection pump, or the size data and the structure data of a pipeline sealing piece, or the names, the size data and the structure data of parts, a user inputs a first adjustment parameter aiming at the fed-back parts;
The first adjusting parameter is one of a size adjusting parameter, a thickness adjusting parameter and a material type adjusting parameter;
S42, after a user inputs a first adjustment parameter and before the adjusted part is assembled to the first version horizontal injection pump, automatically obtaining a verification result of the first version horizontal injection pump aiming at the first adjustment parameter;
the verification result is operation result data of the first version horizontal injection pump three-dimensional simulation model after the adjustment of the parts; the operation result data includes results of whether the first, second, third, and fourth abnormal data occur.
6. The method for designing a horizontal injection pump according to claim 5, wherein the step S5 obtains a second adjustment parameter according to the verification result in the step S4, and adjusts the three-dimensional structure of the first version horizontal injection pump according to the second adjustment parameter to form a second version horizontal injection pump, and specifically includes the following steps:
S51, continuously adjusting the first adjustment parameters by the user according to the verification result in the step S42, and taking the current value of the first adjustment parameters as the second adjustment parameters when the verification result is that the first abnormal data, the second abnormal data, the third abnormal data and the fourth abnormal data do not appear;
S52, adjusting the three-dimensional structure of the first version horizontal injection pump according to the second adjusting parameters to form a second version horizontal injection pump.
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| CN114119879A (en) * | 2021-12-02 | 2022-03-01 | 长江大学 | Pipeline abnormity monitoring method and system based on VR |
| CN115270911A (en) * | 2022-06-08 | 2022-11-01 | 长江大学 | Method, system, terminal and medium for detecting working abnormity of water injection station of oil field centrifugal pump |
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| CN107315858A (en) * | 2017-06-01 | 2017-11-03 | 哈尔滨工程大学 | It is a kind of towards centrifugal pump parameter simulation method of the drift net Simulation Application based on pump internal characteristic |
| CN114119879A (en) * | 2021-12-02 | 2022-03-01 | 长江大学 | Pipeline abnormity monitoring method and system based on VR |
| CN115270911A (en) * | 2022-06-08 | 2022-11-01 | 长江大学 | Method, system, terminal and medium for detecting working abnormity of water injection station of oil field centrifugal pump |
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