CN117788458A - LNG air temperature gasifier foundation concrete life analysis method, medium and system - Google Patents

LNG air temperature gasifier foundation concrete life analysis method, medium and system Download PDF

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CN117788458A
CN117788458A CN202410199221.XA CN202410199221A CN117788458A CN 117788458 A CN117788458 A CN 117788458A CN 202410199221 A CN202410199221 A CN 202410199221A CN 117788458 A CN117788458 A CN 117788458A
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image
lng air
air temperature
temperature gasifier
color
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CN117788458B (en
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刘雪明
黄菲
张玉刚
阎亮
宋飞
李龙
王健鹏
刘康宁
王玉梅
王钧奕
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China Construction Industrial and Energy Engineering Group Co Ltd
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Abstract

The invention provides a method, medium and system for analyzing the service life of basic concrete of an LNG air-temperature gasifier, which belong to the technical field of air-temperature gasifiers and comprise the following steps: acquiring a picture and a real-time picture of LNG air temperature gasifier foundation concrete when the foundation concrete is used for the first time, and respectively serving as a first image and a second image; obtaining the color in the second image, and comparing the color with the color in the first image to obtain the color change degree; preprocessing the two images; extracting crack patterns in the pretreated second image, and calculating crack harm degree according to the crack patterns; respectively comparing the texture patterns and the concave-convex point patterns of the two preprocessed images to obtain texture variation and concave-convex point variation; judging the service life of the basic concrete of the LNG air temperature gasifier; the invention can judge the service life of the LNG air temperature gasifier foundation concrete and avoid the damage of the LNG air temperature gasifier caused by the over-service life of the LNG air temperature gasifier foundation concrete.

Description

LNG air temperature gasifier foundation concrete life analysis method, medium and system
Technical Field
The invention belongs to the technical field of air-temperature gasifiers, and particularly relates to a method, medium and system for analyzing the service life of basic concrete of an LNG air-temperature gasifier.
Background
LNG is an important source of clean energy that needs to be vaporized during storage and transportation to be restored to natural gas. LNG air-temperature gasifiers are a common device for converting low temperature liquefied natural gas to high temperature gaseous natural gas. In order to ensure the performance and safety of the LNG air temperature gasifier, it is necessary to design and build a proper foundation concrete structure. LNG air temperature vaporizer foundation concrete is usually composed of concrete of cement, aggregate (such as sand and cobble), mixture and water, and the air temperature vaporizer is used for converting natural gas into converter gas to lower the temperature of the foundation concrete, so that the foundation concrete can be damaged in winter, and abnormal vibration, inclination or collapse of the LNG air temperature vaporizer can be caused, thereby causing equipment failure, leakage and even accidents, and threatening the safety of personnel and environment.
The Chinese patent of publication No. CN206496189U (application No. CN 201720116536.9) discloses an air-temperature gasifier, which comprises a plurality of groups of fin groups connected in parallel, wherein each group of fin groups comprises fin tubes connected in series, one end of each fin group is connected with an output port, the other end of each fin group is connected with an input port, the air-temperature gasifier is provided with a cuboid shell, an air inlet is arranged on one side of the shell close to the output port, an air outlet is arranged on one side of the shell close to the input port, and the air inlet is connected with a fan.
The air temperature vaporizer cannot judge the service life of the basic concrete of the air temperature vaporizer, and the problem that the LNG air temperature vaporizer is damaged due to the fact that the basic concrete of the LNG air temperature vaporizer is used for over-service life can occur.
Disclosure of Invention
In view of the above, the invention provides a method, medium and system for analyzing the service life of the basic concrete of an LNG air temperature gasifier, which can judge the service life of the basic concrete of the LNG air temperature gasifier and avoid damage to the LNG air temperature gasifier caused by the overlife of the basic concrete of the LNG air temperature gasifier.
The invention is realized in the following way:
the invention provides a method for analyzing the service life of basic concrete of an LNG air-temperature gasifier, which comprises the following steps:
s10: acquiring a picture of the LNG air temperature gasifier foundation concrete when the LNG air temperature gasifier foundation concrete is used for the first time, taking the picture as a first image, and extracting the color in the first image;
s20: acquiring a real-time picture of basic concrete of the LNG air temperature gasifier as a second image;
s30: obtaining the color in the second image, and comparing the color with the color in the first image to obtain the color change degree;
s40: preprocessing the second image and the first image to be respectively used as a third image and a fourth image;
s50: extracting crack patterns in the third image, and calculating crack harmfulness according to the crack patterns;
s60: texture patterns in a third image and a fourth image are obtained, and the texture patterns in the two images are compared to obtain a texture change degree;
s70: the concave-convex point patterns in the third image and the fourth image are obtained, and the concave-convex point patterns in the two images are compared to obtain the degree of change of concave-convex points;
s80: and judging the service life of the basic concrete of the LNG air temperature gasifier according to the color contrast, the crack harm degree, the concave-convex point change degree and the crack change degree.
The invention provides a method for analyzing the service life of basic concrete of an LNG air temperature gasifier, which has the following technical effects: the picture of the LNG air temperature gasifier foundation concrete when in initial use is obtained and is used as a first image, the color in the first image is extracted, and the LNG air temperature gasifier foundation concrete is conveniently determined; the real-time picture of the LNG air temperature gasifier foundation concrete is taken as a second image, so that the real-time condition of the LNG air temperature gasifier foundation concrete is conveniently obtained; the color in the second image is obtained and compared with the color in the first image to obtain the color change degree, wherein the LNG air-temperature gasifier foundation concrete is made of concrete, the color of the concrete changes along with the increase of the service time, and the color change degree of the LNG air-temperature gasifier foundation concrete can be used as an index for judging the service life of the LNG air-temperature gasifier foundation concrete; the second image and the first image are preprocessed to be respectively used as a third image and a fourth image, so that the third image and the fourth image are clearer, and cracks, textures and concave-convex points of the images are more conveniently identified; texture and concave-convex points on the LNG air temperature gasifier foundation concrete can be used as an important basis for judging the service life of the LNG air temperature gasifier foundation concrete.
On the basis of the technical scheme, the LNG air temperature gasifier basic concrete life analysis method can be further improved as follows:
the preprocessing of the second image and the first image as the third image and the fourth image respectively comprises the following steps:
the images are aligned and adjusted to be uniform in size;
denoising the image to reduce the influence of noise on the image;
carrying out standardization processing on the image;
and the visual enhancement is carried out on the image, so that the visual quality of the image is improved.
Further, the step of obtaining the color in the second image and comparing the color with the color in the first image to obtain the color change degree specifically includes the following steps:
extracting color features of the second image and the first image, and converting the images into a required color space;
converting the color space into a plurality of color spaces;
counting the number of pixels in each color space;
the color characteristics of the two images are compared by a similarity measure.
Further, the extracting the crack pattern in the third image, calculating the crack harmfulness according to the crack pattern, specifically includes the following steps:
extracting a pattern of cracks on the basic concrete of the LNG air temperature gasifier according to the neural network model;
extracting the length and width of each crack and the distance between the center of each crack and the center of the basic concrete of the LNG air temperature gasifier;
calculating the damage degree of the basic concrete of the LNG air temperature gasifier with a single crack according to the length and width of the crack and the distance between the center of the crack and the center of the basic concrete of the LNG air temperature gasifier;
and adding the damage degree of each crack to the basic concrete of the LNG air temperature gasifier to obtain the total crack damage degree.
Further, the step of obtaining texture patterns in the third image and the fourth image, and comparing the texture patterns in the two images to obtain a texture variation degree, specifically includes the following steps:
identifying texture patterns in the third image and the fourth image according to the neural network model;
acquiring coordinates of each texture in the third image texture pattern to form a first matrix;
acquiring coordinates of each texture in the fourth image texture pattern to form a second matrix;
and comparing the first matrix with the second matrix to obtain the texture variation degree.
Further, the method for obtaining the concave-convex point patterns in the third image and the fourth image includes comparing the concave-convex point patterns in the two images to obtain the degree of change of the concave-convex points, and specifically includes the following steps:
identifying concave-convex point patterns in the third image and the fourth image according to an edge algorithm;
acquiring coordinates and perimeter of each concave-convex point in the third image to form a third matrix;
acquiring coordinates and perimeter of each concave-convex point in the fourth image to form a fourth matrix;
and comparing the third matrix with the fourth matrix to obtain the degree of change of concave-convex points of the basic concrete of the LNG air-temperature gasifier.
Further, the formula for judging the service life of the basic concrete of the LNG air temperature gasifier is as follows:
;
wherein,the service life of the basic concrete of the LNG air temperature gasifier is prolonged; />The color change degree of the basic concrete of the LNG air temperature gasifier is the color change degree of the basic concrete of the LNG air temperature gasifier; />The change degree of the basic concrete cracks of the LNG air temperature gasifier is determined; />The degree of change of concave-convex points of basic concrete of the LNG air temperature gasifier; />Texture change degree of basic concrete of LNG air temperature gasifier, < ->Is the intercept of the equation.
Further, the saidSaid->Said->Said->The said/>Calculated by a linear regression equation.
A second aspect of the present invention provides a computer readable storage medium, where the computer readable storage medium stores program instructions, where the program instructions are executed to perform a method for analyzing a basic concrete lifetime of an LNG air temperature gasifier as described above.
The third aspect of the invention provides an LNG air temperature gasifier foundation concrete life analysis system, which comprises a camera shooting mechanism and a controller, wherein the controller stores the computer readable storage medium, and the camera shooting mechanism is a camera or a camera carried by an unmanned aerial vehicle.
Compared with the prior art, the LNG air temperature gasifier foundation concrete life analysis method, medium and system provided by the invention have the beneficial effects that: the picture of the LNG air temperature gasifier foundation concrete when in initial use is obtained and is used as a first image, the color in the first image is extracted, and the LNG air temperature gasifier foundation concrete is conveniently determined; the real-time picture of the LNG air temperature gasifier foundation concrete is taken as a second image, so that the real-time condition of the LNG air temperature gasifier foundation concrete is conveniently obtained; the color in the second image is obtained and compared with the color in the first image to obtain the color change degree, wherein the LNG air-temperature gasifier foundation concrete is made of concrete, the color of the concrete changes along with the increase of the service time, and the color change degree of the LNG air-temperature gasifier foundation concrete can be used as an index for judging the service life of the LNG air-temperature gasifier foundation concrete; the second image and the first image are preprocessed to be respectively used as a third image and a fourth image, so that the third image and the fourth image are clearer, and cracks, textures and concave-convex points of the images are more conveniently identified; texture and concave-convex points on the LNG air temperature gasifier foundation concrete can be used as an important basis for judging the service life of the LNG air temperature gasifier foundation concrete.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments of the present invention will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a flow chart of a method for analyzing the life of a basic concrete of an LNG air temperature gasifier;
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
As shown in fig. 1, a first embodiment of a method for analyzing the service life of basic concrete of an LNG air-temperature gasifier according to a first aspect of the present invention includes the following steps:
s10: acquiring a picture of the LNG air temperature gasifier foundation concrete when the LNG air temperature gasifier foundation concrete is used for the first time, taking the picture as a first image, and extracting the color in the first image;
s20: acquiring a real-time picture of basic concrete of the LNG air temperature gasifier as a second image;
s30: obtaining the color in the second image, and comparing the color with the color in the first image to obtain the color change degree;
s40: preprocessing the second image and the first image to be respectively used as a third image and a fourth image;
s50: extracting crack patterns in the third image, and calculating crack harmfulness according to the crack patterns;
s60: texture patterns in a third image and a fourth image are obtained, and the texture patterns in the two images are compared to obtain a texture change degree;
s70: the concave-convex point patterns in the third image and the fourth image are obtained, and the concave-convex point patterns in the two images are compared to obtain the degree of change of concave-convex points;
s80: and judging the service life of the basic concrete of the LNG air temperature gasifier according to the color contrast, the crack harm degree, the concave-convex point change degree and the crack change degree.
The picture of the LNG air temperature gasifier foundation concrete when in initial use is obtained and is used as a first image, the color in the first image is extracted, and the LNG air temperature gasifier foundation concrete is conveniently determined; the real-time picture of the LNG air temperature gasifier foundation concrete is taken as a second image, so that the real-time condition of the LNG air temperature gasifier foundation concrete is conveniently obtained; the color in the second image is obtained and compared with the color in the first image to obtain the color change degree, wherein the LNG air-temperature gasifier foundation concrete is made of concrete, the color of the concrete changes along with the increase of the service time, and the color change degree of the LNG air-temperature gasifier foundation concrete can be used as an index for judging the service life of the LNG air-temperature gasifier foundation concrete; the second image and the first image are preprocessed to be respectively used as a third image and a fourth image, so that the third image and the fourth image are clearer, and cracks, textures and concave-convex points of the images are more conveniently identified; texture and concave-convex points on the LNG air temperature gasifier foundation concrete can be used as an important basis for judging the service life of the LNG air temperature gasifier foundation concrete.
In the above technical solution, preprocessing the second image and the first image to be respectively used as the third image and the fourth image, including the following steps:
the images are aligned and adjusted to be uniform in size;
denoising the image to reduce the influence of noise on the image;
carrying out standardization processing on the image;
and the visual enhancement is carried out on the image, so that the visual quality of the image is improved.
Further, in the above technical solution, the color in the second image is obtained and compared with the color in the first image to obtain the color change degree, and the method specifically includes the following steps:
extracting color features of the second image and the first image, and converting the images into a required color space;
converting the color space into a plurality of color spaces;
counting the number of pixels in each color space;
the color characteristics of the two images are compared by a similarity measure.
Further, in the above technical solution, the method includes extracting a crack pattern from the third image, and calculating a crack hazard according to the crack pattern, including the following steps:
extracting a pattern of cracks on the basic concrete of the LNG air temperature gasifier according to the neural network model; the neural network model is obtained by adopting a convolutional neural network, utilizing a large number of LNG air-temperature gasifier foundation concrete images, manually marking cracks to form a training set, and training;
extracting the length and width of each crack and the distance between the center of each crack and the center of the basic concrete of the LNG air temperature gasifier;
calculating the damage degree of the basic concrete of the LNG air temperature gasifier with a single crack according to the length and width of the crack and the distance between the center of the crack and the center of the basic concrete of the LNG air temperature gasifier;
and adding the damage degree of each crack to the basic concrete of the LNG air temperature gasifier to obtain the total crack damage degree.
The calculation formula of the damage degree of the single crack to the basic concrete of the LNG air temperature gasifier is as follows:
;
wherein,is->Damage degree of cracks to LNG air temperature gasifier foundation concrete, < ->Is crack length; />Is the crack width; />For the surface area of the LNG air-temperature vaporizer foundation concrete where the crack is located, < ->For the purpose of crackingDistance between the lines and the center of the LNG air temperature gasifier foundation concrete.
The damage degree of all cracks of the LNG air temperature gasifier foundation concrete to the LNG air temperature gasifier foundation concrete is as follows:
;
wherein F is the damage degree of all cracks to the cracks of the LNG air temperature gasifier base concrete;the total number of cracks.
Further, in the above technical solution, texture patterns in a third image and a fourth image are obtained, and the texture patterns in the two images are compared to obtain a texture variation degree, which specifically includes the following steps:
identifying texture patterns in the third image and the fourth image according to the neural network model; the neural network model is obtained by training a training set formed by manually marking textures by adopting a convolutional neural network and utilizing a large number of LNG air-temperature gasifier basic concrete images;
acquiring coordinates of each texture in the third image texture pattern to form a first matrix;
acquiring coordinates of each texture in the fourth image texture pattern to form a second matrix;
and comparing the first matrix with the second matrix to obtain the texture variation degree.
Further, in the above technical solution, the method includes steps of obtaining concave-convex point patterns in a third image and a fourth image, comparing the concave-convex point patterns in the two images to obtain a degree of change of concave-convex points, and specifically includes the following steps:
identifying concave-convex point patterns in the third image and the fourth image according to an edge algorithm;
acquiring coordinates and perimeter of each concave-convex point in the third image to form a third matrix;
acquiring coordinates and perimeter of each concave-convex point in the fourth image to form a fourth matrix;
and comparing the third matrix with the fourth matrix to obtain the degree of change of concave-convex points of the basic concrete of the LNG air-temperature gasifier.
The edge algorithm can be obtained by a Canny operator, and specifically comprises the following steps:
noise suppression
Performing Gaussian filtering on the image to remove noise in the image;
calculating gradients
Calculating gradients of the image to determine edges of the image;
non-maximum suppression
Performing non-maximum suppression on the gradient map to refine edges and eliminate unnecessary noise;
dual threshold detection and edge connection
A low threshold and a high threshold are set and then the intensity of the edge is determined based on the gradient intensity of the pixel. Only edges above the high threshold are considered strong edges, edges between the low and high thresholds are considered weak edges, and finally the Canny operator forms a complete edge by connecting the strong edges with the weak edges connected to them.
Then, the length of the edge is calculatedAnd the coordinate positions of the edge points, each point forming a coordinate (++>,/>) All points on the fourth image form a third matrix, all points on the third image form a fourth matrix, and cosine similarity matching is carried out on the third matrix and the fourth matrix to obtain concave-convex point similarity +.>
Further, in the above technical solution, the formula for judging the life of the basic concrete of the LNG air-temperature gasifier is:
;
wherein,the service life of the basic concrete of the LNG air temperature gasifier is prolonged; />The color change degree of the basic concrete of the LNG air temperature gasifier is the color change degree of the basic concrete of the LNG air temperature gasifier; />The change degree of the basic concrete cracks of the LNG air temperature gasifier is determined; />The degree of change of concave-convex points of basic concrete of the LNG air temperature gasifier; />Texture change degree of basic concrete of LNG air temperature gasifier, < ->Is the intercept of the equation.
Further, in the above technical solution,、/>、/>、/>、/>calculated by a linear regression equation.
、/>、/>、/>、/>The calculation steps are as follows:
collecting data
CollectingBasic concrete of LNG air-temperature vaporizer is analyzed to obtain color change degree +.>Degree of variation of lines->Degree of variation of concave-convex points->Texture variability->And life->Wherein->The formula is:
;
the calculation results show that, among them,average service life of foundation concrete damaged in large quantity, +.>The service time of the concrete is taken as a data base.
Fitting regression
The life calculation formula of the foundation concrete is set as follows:;
wherein,、/>、/>、/>、/>are unknown.
Estimating parameters
Is calculated according to the formula:
;
wherein,color change degree of the ith foundation concrete, < ->For the average value of the color change degree of all foundation concrete, < + >>For the service time of the ith basic concrete, and (2)>Mean value of time for all observed base concrete, +.>Is based onThe amount of foundation concrete.
Is calculated according to the formula:
wherein,crack variation degree of the ith foundation concrete, < ->The average value of the crack change degree of all the basic concrete is shown.
Is calculated according to the formula:
wherein,degree of change of concave-convex points for ith foundation concrete, < ->The average value of the variation degree of all the foundation concrete concave-convex points.
Is calculated according to the formula:
wherein,texture variation degree for the ith foundation concrete, < ->The average value of the texture variation degree of all the basic concrete is obtained.
Finally, through the formulaB is obtained.
Specifically, the principle of the invention is as follows: the method comprises the steps that a camera respectively shoots a picture and a real-time picture of primary use of LNG air temperature gasifier foundation concrete, a processor acquires the picture of the LNG air temperature gasifier foundation concrete when in primary use, the picture is used as a first image, and colors in the first image are extracted; acquiring a real-time picture of basic concrete of the LNG air temperature gasifier as a second image; obtaining the color in the second image, and comparing the color with the color in the first image to obtain the color change degree; preprocessing the second image and the first image to be respectively used as a third image and a fourth image; extracting crack patterns in the third image, and calculating crack harmfulness according to the crack patterns; texture patterns in a third image and a fourth image are obtained, and the texture patterns in the two images are compared to obtain a texture change degree; the concave-convex point patterns in the third image and the fourth image are obtained, and the concave-convex point patterns in the two images are compared to obtain the degree of change of concave-convex points; and judging the service life of the basic concrete of the LNG air temperature gasifier according to the color contrast, the crack harm degree, the concave-convex point change degree and the crack change degree.

Claims (10)

1. The LNG air temperature gasifier foundation concrete life analysis method is characterized by comprising the following steps of:
s10: acquiring a picture of the LNG air temperature gasifier foundation concrete when the LNG air temperature gasifier foundation concrete is used for the first time, taking the picture as a first image, and extracting the color in the first image;
s20: acquiring a real-time picture of basic concrete of the LNG air temperature gasifier as a second image;
s30: obtaining the color in the second image, and comparing the color with the color in the first image to obtain the color change degree;
s40: preprocessing the second image and the first image to be respectively used as a third image and a fourth image;
s50: extracting crack patterns in the third image, and calculating crack harmfulness according to the crack patterns;
s60: texture patterns in a third image and a fourth image are obtained, and the texture patterns in the two images are compared to obtain a texture change degree;
s70: the concave-convex point patterns in the third image and the fourth image are obtained, and the concave-convex point patterns in the two images are compared to obtain the degree of change of concave-convex points;
s80: and judging the service life of the basic concrete of the LNG air temperature gasifier according to the color contrast, the crack harm degree, the concave-convex point change degree and the crack change degree.
2. The method for analyzing the service life of the basic concrete of the LNG air-temperature gasifier according to claim 1, wherein the preprocessing of the second image and the first image as the third image and the fourth image respectively comprises the following steps:
the images are aligned and adjusted to be uniform in size;
denoising the image to reduce the influence of noise on the image;
carrying out standardization processing on the image;
and the visual enhancement is carried out on the image, so that the visual quality of the image is improved.
3. The method for analyzing the service life of the basic concrete of the LNG air-temperature vaporizer according to claim 2, wherein the step of obtaining the color in the second image and comparing the color in the first image to obtain the color change degree comprises the following steps:
extracting color features of the second image and the first image, and converting the images into a required color space;
converting the color space into a plurality of color spaces;
counting the number of pixels in each color space;
the color characteristics of the two images are compared by a similarity measure.
4. The method for analyzing the service life of the basic concrete of the LNG air-temperature gasifier according to claim 3, wherein the extracting the crack pattern in the third image, calculating the crack harmfulness according to the crack pattern, comprises the following steps:
extracting a pattern of cracks on the basic concrete of the LNG air temperature gasifier according to the neural network model;
extracting the length and width of each crack and the distance between the center of each crack and the center of the basic concrete of the LNG air temperature gasifier;
calculating the damage degree of the basic concrete of the LNG air temperature gasifier with a single crack according to the length and width of the crack and the distance between the center of the crack and the center of the basic concrete of the LNG air temperature gasifier;
and adding the damage degree of each crack to the basic concrete of the LNG air temperature gasifier to obtain the total crack damage degree.
5. The method for analyzing the service life of the basic concrete of the LNG air-temperature gasifier according to claim 4, wherein the steps of obtaining texture patterns in a third image and a fourth image, comparing the texture patterns in the two images to obtain the texture change degree comprise the following steps:
identifying texture patterns in the third image and the fourth image according to the neural network model;
acquiring coordinates of each texture in the third image texture pattern to form a first matrix;
acquiring coordinates of each texture in the fourth image texture pattern to form a second matrix;
and comparing the first matrix with the second matrix to obtain the texture variation degree.
6. The method for analyzing the service life of the basic concrete of the LNG air-temperature vaporizer according to claim 5, wherein the steps of obtaining the concave-convex point patterns in the third image and the fourth image, comparing the concave-convex point patterns in the two images to obtain the degree of change of the concave-convex points comprise the following steps:
identifying concave-convex point patterns in the third image and the fourth image according to an edge algorithm;
acquiring coordinates and perimeter of each concave-convex point in the third image to form a third matrix;
acquiring coordinates and perimeter of each concave-convex point in the fourth image to form a fourth matrix;
and comparing the third matrix with the fourth matrix to obtain the degree of change of concave-convex points of the basic concrete of the LNG air-temperature gasifier.
7. The method for analyzing the service life of the basic concrete of the LNG-air-temperature vaporizer according to claim 6, wherein the formula for judging the service life of the basic concrete of the LNG-air-temperature vaporizer is as follows:
;
wherein,the service life of the basic concrete of the LNG air temperature gasifier is prolonged; />The color change degree of the basic concrete of the LNG air temperature gasifier is the color change degree of the basic concrete of the LNG air temperature gasifier; />The change degree of the basic concrete cracks of the LNG air temperature gasifier is determined; />The degree of change of concave-convex points of basic concrete of the LNG air temperature gasifier; />Texture change degree of basic concrete of LNG air temperature gasifier, < ->Is the intercept of the equation.
8. The method for analyzing the service life of the basic concrete of the LNG air-temperature vaporizer according to claim 7, wherein the method comprises the following steps ofSaid->Said->Said->Said->Calculated by a linear regression equation.
9. A computer readable storage medium, wherein program instructions are stored in the computer readable storage medium, and the program instructions are used for executing the method for analyzing the service life of basic concrete of the LNG air temperature gasifier according to any one of claims 1-8 when running.
10. An LNG air temperature gasifier foundation concrete life analysis system, comprising a camera mechanism and a controller, wherein the controller stores the computer readable storage medium of claim 9.
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