Melt-blowing anti-corrosion control method for large-diameter steel pipe

Abstract

The invention provides a melt-blowing anti-corrosion control method for a large-diameter steel pipe. The method is applied to the technical field of melt-blowing corrosion prevention and comprises the steps that the length Lg, the diameter Dg and the thickness Hg of a to-be-treated large-diameter steel pipe are obtained; according to the length Lg, the melt-blowing mode of the to-be-treated large-diameter steel pipe is determined; the melt-blowing mode comprises the number of melt-blowing assemblies and a rotation mode of the to-be-treated large-diameter steel pipe; the melt-blowing assembly comprises a spray gun and a heater; according to the diameter Dg, the diameter grade of the large-diameter steel pipe to be processed is determined; adjusting the distance between the spray gun and the heater according to the diameter grade; according to the thickness Hg < g >, the thickness grade of the to-be-treated large-diameter steel pipe is determined; and adjusting the power of the heater according to the thickness grade. In this way, the melt-blowing corrosion prevention efficiency of the large-diameter steel pipe can be improved.

Description

Technical Field

[0001] The present invention relates to the field of melt-blown anti-corrosion technology, and in particular to a melt-blown anti-corrosion control method for large-diameter steel pipes. Background Art

[0002] With the rapid development of my country's economy, infrastructure construction has been continuously strengthened, especially in the pipeline construction of industries such as oil, natural gas, and chemicals. Steel pipes are the main transportation medium, and the research and application of their anti-corrosion technology is particularly important. Among the many anti-corrosion technologies, melt-blown anti-corrosion control of large-diameter steel pipes has received widespread attention due to its unique advantages. Melt-blown anti-corrosion technology sprays polymer materials on the surface of steel pipes in a molten state to form a dense anti-corrosion coating, which effectively blocks the corrosion of the steel pipe by the external environment. This anti-corrosion layer not only has excellent corrosion resistance, but also can effectively resist the erosion of water, salt and chemicals, thereby greatly extending the service life of the pipeline and reducing the maintenance and replacement costs caused by corrosion; traditional anti-corrosion measures often require multiple recoating and repairs, while the coating formed by melt-blown anti-corrosion has good adhesion and wear resistance, which can effectively reduce the need for later maintenance and reduce maintenance costs. Enterprises can invest more resources in production and development, and improve overall economic benefits; melt-blown technology can realize on-site construction, reducing the trouble of transportation and storage. Construction personnel only need to bring the spraying equipment to the site. The rapid application of anti-corrosion coatings greatly shortens the project schedule, improves construction flexibility, and meets the needs of modern construction management; the materials used in meltblown anti-corrosion technology are mostly solvent-free or low-solvent environmentally friendly coatings, which reduce the volatilization and emission of harmful substances and meet national and local environmental protection requirements. In addition, the meltblown coating has a long service life, which reduces the waste of resources due to frequent maintenance and is in line with the concept of green development; large-diameter steel pipe meltblown anti-corrosion technology is suitable for a variety of environmental conditions, including high humidity, high salt, high temperature and other harsh environments. Whether in the ocean, coastal areas, or in industrial areas, meltblown coatings can provide stable anti-corrosion protection. This strong adaptability allows meltblown anti-corrosion technology to be widely used in various pipeline projects, improving the reliability and safety of the project.

[0003] At present, in the existing melt-blown anti-corrosion process for large-diameter steel pipes, the melt-blown is usually carried out by rotating the steel pipe in situ, and then moving the horizontal position after one week of melt-blowing. In this process, the spray gun and the heater have to wait for the horizontal movement of the steel pipe every time after one week of melt-blowing the steel pipe, which consumes a long time and results in low efficiency of melt-blown anti-corrosion for large-diameter steel pipes. Summary of the invention

[0004] The present invention provides a melt-blown corrosion control method for a large-diameter steel pipe.

[0005] According to a first aspect of the present disclosure, a melt-blown corrosion protection control method for a large-diameter steel pipe is provided.

[0006] The method includes:

[0007] Get the length L of the large diameter steel pipe to be processed gg , diameter D gg and thickness H gg ;

[0008] According to the length L gg , determine the melt-blowing method for the large-diameter steel pipe to be processed; the melt-blowing method includes the number of melt-blowing components and the rotation method of the large-diameter steel pipe to be processed; the melt-blowing component includes a spray gun and a heater;

[0009] According to the diameter D gg , determine the diameter grade of the large-diameter steel pipe to be processed; and adjust the distance between the spray gun and the heater according to the diameter grade;

[0010] According to the thickness H gg , determine the thickness grade of the large-diameter steel pipe to be processed; and adjust the power of the heater according to the thickness grade.

[0011] Further, according to the length L gg , determine the melt-blowing method for the large-diameter steel pipe to be processed, including:

[0012] If k1<L gg <k2×L pq , then the large diameter steel pipe to be processed is melt-blown by a first melt-blowing method; L pq is the spraying length of the spray gun;

[0013] If k2×L pq ≤L gg <k3×L pq , then melt-blowing the large-diameter steel pipe to be processed by a second melt-blowing method;

[0014] If k3×L pq ≤L gg <k4×L pq , then melt-blowing the large-diameter steel pipe to be processed by a third melt-blowing method;

[0015] If k4×L pq ≤L gg <k5×L pq , then melt-blowing the large-diameter steel pipe to be processed by a fourth melt-blowing method;

[0016] If L gg ≥k5×L pq, the large-diameter steel pipe to be processed is melt-blown by the fifth melt-blowing method; k1, k2, k3, k4, k5 are the first length threshold, the second length threshold, the third length threshold, the fourth length threshold, and the fifth length threshold, respectively, and 0<k1<k2<k3<k4<k5.

[0017] Further: the first melt-blowing method is specifically: during the spraying process of the large-diameter steel pipe to be treated using a set of melt-blowing components, the large-diameter steel pipe to be treated is rotated along its axial direction; after the large-diameter steel pipe to be treated is rotated along its axial direction for one circle, the large-diameter steel pipe to be treated is moved horizontally by a distance L pq , proceed to the next round of meltblowing;

[0018] The second melt-blowing method is specifically as follows: in the process of spraying the large-diameter steel pipe to be processed using a set of melt-blowing components, the large-diameter steel pipe to be processed is rotated along its axial direction while the large-diameter steel pipe to be processed is moved in the horizontal direction, so that the horizontal movement distance of the large-diameter steel pipe to be processed after one rotation along its axial direction is L. pq ;

[0019] The third melt-blowing method is specifically as follows: in the process of spraying the large-diameter steel pipe to be processed using two sets of melt-blowing assemblies, the large-diameter steel pipe to be processed is rotated along its axial direction while the large-diameter steel pipe to be processed is moved in the horizontal direction, so that the horizontal movement distance of the large-diameter steel pipe to be processed after one rotation along its axial direction is 2×L pq ;

[0020] The fourth melt-blowing method is specifically as follows: in the process of spraying the large-diameter steel pipe to be treated using three sets of melt-blowing assemblies, the large-diameter steel pipe to be treated is rotated along its axial direction while the large-diameter steel pipe to be treated is moved in the horizontal direction, so that the horizontal movement distance of the large-diameter steel pipe to be treated in rotating one circle along its axial direction is 3×L pq ;

[0021] The fifth melt-blowing method is specifically as follows: in the process of spraying the large-diameter steel pipe to be processed using four sets of melt-blowing assemblies, the large-diameter steel pipe to be processed is rotated along its axial direction while the large-diameter steel pipe to be processed is moved in the horizontal direction, so that the horizontal movement distance of the large-diameter steel pipe to be processed after one rotation along its axial direction is 4×L pq .

[0022] Further, according to the diameter D gg , determine the diameter grade of the large diameter steel pipe to be processed, including:

[0023] If D0≤D gg <D1, the diameter grade of the large-diameter steel pipe to be processed is determined to be a large-diameter grade; D1 is the first diameter threshold;

[0024] If D1≤D gg <D2, the diameter grade of the large-diameter steel pipe to be processed is determined to be a larger diameter grade; D2 is the second diameter threshold; D0 is the third diameter threshold;

[0025] If D gg ≥D2, it is determined that the diameter grade of the large-diameter steel pipe to be processed is an extra-large diameter grade.

[0026] Further, adjusting the distance between the spray gun and the heater according to the diameter grade includes:

[0027] If the diameter grade of the large-diameter steel pipe to be processed is a large-diameter grade, the distance between the spray gun and the heater is adjusted by a first distance adjustment coefficient;

[0028] If the diameter grade of the large-diameter steel pipe to be processed is a relatively large diameter grade, the distance between the spray gun and the heater is adjusted by a second distance adjustment coefficient;

[0029] If the diameter grade of the large-diameter steel pipe to be processed is an extra-large diameter grade, the distance between the spray gun and the heater is adjusted by the third distance adjustment coefficient.

[0030] Further, the thickness grade of the large-diameter steel pipe to be processed is determined according to the thickness Hgg, including:

[0031] If 0<H gg

[0032] If H1≤H gg <H2, it is determined that the thickness grade of the large-diameter steel pipe to be processed is the second thickness grade; H2 is the second thickness threshold;

[0033] If H gg ≥H2, it is determined that the thickness grade of the large-diameter steel pipe to be processed is the third thickness grade.

[0034] Further, adjusting the power of the heater according to the thickness grade includes:

[0035] If the thickness grade of the large-diameter steel pipe to be processed is the first thickness grade, the power of the heater is adjusted by the first power adjustment coefficient;

[0036] ​If the thickness grade of the large-diameter steel pipe to be processed is the second thickness grade, the power of the heater is adjusted by the second power adjustment coefficient;

[0037] If the thickness grade of the large-diameter steel pipe to be processed is the third thickness grade, the power of the heater is adjusted by the third power adjustment coefficient.

[0038] According to a second aspect of the present disclosure, a large diameter steel pipe melt-blown anti-corrosion control device is provided.

[0039] The device includes:

[0040] Acquisition module, used to obtain the length L of the large diameter steel pipe to be processed gg , diameter D gg and thickness H gg ;

[0041] Determine module for determining the length L according to the gg , determine the melt-blowing method for the large-diameter steel pipe to be processed; the melt-blowing method includes the number of melt-blowing components and the rotation method of the large-diameter steel pipe to be processed; the melt-blowing component includes a spray gun and a heater;

[0042] The first adjustment module is used to adjust the diameter D gg , determine the diameter grade of the large-diameter steel pipe to be processed; and adjust the distance between the spray gun and the heater according to the diameter grade;

[0043] The second adjustment module is used to adjust the thickness H gg , determine the thickness grade of the large-diameter steel pipe to be processed; and adjust the power of the heater according to the thickness grade.

[0044] According to a third aspect of the present disclosure, an electronic device is provided, comprising: a memory and a processor, wherein a computer program is stored in the memory, and the method is implemented when the processor executes the program.

[0045] According to a fourth aspect of the present disclosure, a computer-readable storage medium is provided, on which a computer program is stored, and the program implements the method when executed by a processor.

[0046] The present invention can more effectively cover the pipe body, shorten the melt-blowing time, and improve the efficiency of melt-blowing anti-corrosion of large-diameter steel pipes by reasonably selecting the number of melt-blowing components and the rotation mode of the spray gun according to the length and diameter of the steel pipe; dynamically adjust the distance between the spray gun and the heater for steel pipes of different diameters to ensure that the melt-blown material can be sprayed in the best state, thereby improving the melt-blowing quality and avoiding uneven thickness of the coating; through the preset parameter adjustment, human intervention is reduced, the level of automation is improved, human errors are reduced, and safety and reliability are improved.

[0047] It should be understood that the contents described in the summary of the invention are not intended to limit the key or important features of the embodiments of the present disclosure, nor are they intended to limit the scope of the present disclosure. Other features of the present disclosure will become easily understood through the following description. BRIEF DESCRIPTION OF THE DRAWINGS

[0048] The above and other features, advantages and aspects of the embodiments of the present disclosure will become more apparent with reference to the following detailed description in conjunction with the accompanying drawings. The accompanying drawings are used to better understand the present solution and do not constitute a limitation of the present disclosure. In the accompanying drawings, the same or similar reference numerals represent the same or similar elements, wherein:

[0049] Figure 1 A flow chart of a method for controlling the melt-blown corrosion protection of a large-diameter steel pipe according to an embodiment of the present disclosure is shown;

[0050] Figure 2 A block diagram of a large diameter steel pipe melt-blown anti-corrosion control device according to an embodiment of the present disclosure is shown;

[0051] Figure 3 A block diagram of an exemplary electronic device capable of implementing embodiments of the present disclosure is shown. DETAILED DESCRIPTION

[0052] In order to make the purpose, technical solution and advantages of the embodiments of the present disclosure clearer, the technical solution in the embodiments of the present disclosure will be clearly and completely described below in conjunction with the drawings in the embodiments of the present disclosure. Obviously, the described embodiments are part of the embodiments of the present disclosure, not all of the embodiments. Based on the embodiments in the present disclosure, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present disclosure.

[0053] In addition, the term "and / or" in this article is only a description of the association relationship between the associated objects, indicating that there can be three relationships. For example, A and / or B can represent: A exists alone, A and B exist at the same time, and B exists alone. In addition, the character " / " in this article generally indicates that the associated objects before and after are in an "or" relationship.

[0054] Figure 1 A flow chart of a method for controlling the melt-blown corrosion protection of a large-diameter steel pipe according to an embodiment of the present disclosure is shown, and the method includes:

[0055] S101, obtaining the length L of the large diameter steel pipe to be processed gg , diameter D gg and thickness H gg ;

[0056] In some embodiments, the length of the steel pipe is measured by aiming a laser rangefinder at both ends of the steel pipe or by rolling the steel pipe with a rolling measuring instrument; the diameter of the steel pipe is measured by an ultrasonic measuring instrument or by emitting a laser beam with a laser diameter measuring instrument; the thickness of the steel pipe is measured by placing the probe of an ultrasonic thickness gauge on the surface of the steel pipe or by an X-ray thickness gauge.

[0057] S102, according to the length L gg , determine the melt-blowing method for the large-diameter steel pipe to be processed; the melt-blowing method includes the number of melt-blowing components and the rotation method of the large-diameter steel pipe to be processed; the melt-blowing component includes a spray gun and a heater;

[0058] In some embodiments, the length L gg , determine the melt-blowing method for the large-diameter steel pipe to be processed, including: if k1<L gg <k2×L pq , then the large diameter steel pipe to be processed is melt-blown by a first melt-blowing method; L pq is the spraying length of the spray gun; if k2×L pq ≤L gg <k3×L pq , then the large diameter steel pipe to be processed is melt-blown by the second melt-blowing method; if k3×L pq ≤L gg <k4×L pq , then the large diameter steel pipe to be processed is melt-blown by the third melt-blowing method; if k4×L pq ≤L gg <k5×L pq , then the large diameter steel pipe to be processed is melt-blown by the fourth melt-blowing method; if L gg ≥k5×L pq , then melt-blowing the large-diameter steel pipe to be processed by a fifth melt-blowing method;

[0059] k1, k2, k3, k4, k5 are the first length threshold, the second length threshold, the third length threshold, the fourth length threshold, and the fifth length threshold, respectively, and 0<k1<k2<k3<k4<k5. According to an embodiment of the present invention, by setting multiple length thresholds, large-diameter steel pipes of different lengths can be finely processed to ensure that each specification of pipe can obtain a suitable melt-blown method to achieve the best anti-corrosion effect; selecting the corresponding melt-blown method according to the specific length of the steel pipe can effectively shorten the processing time, improve production efficiency, and avoid time waste caused by improper methods; different melt-blown methods can achieve the best coating adhesion and uniformity for steel pipes of different lengths, improve the physical properties and corrosion resistance of the coating, and enhance the service life of the steel pipe; by setting multiple thresholds, the processing method can be flexibly adjusted according to production needs, adapt to market changes and customer needs, and improve production flexibility and responsiveness.

[0060] For example, if 0<L gg <3×L pq , then the large diameter steel pipe to be processed is melt-blown by a first melt-blowing method; L pq is the spraying length of the spray gun; if 3×L pq ≤L gg <6×L pq , then the large diameter steel pipe to be processed is melt-blown by the second melt-blowing method; if 6×L pq ≤L gg <9×L pq , then the large diameter steel pipe to be processed is melt-blown by the third melt-blowing method; if 9×L pq ≤L gg <12×L pq , then the large diameter steel pipe to be processed is melt-blown by the fourth melt-blowing method; if L gg ≥12×L pq , the large-diameter steel pipe to be processed is melt-blown by the fifth melt-blowing method.

[0061] In some embodiments, the first melt-blowing method may be: during the spraying process of the large-diameter steel pipe to be processed using a set of melt-blowing components, the large-diameter steel pipe to be processed is rotated along its axial direction; after the large-diameter steel pipe to be processed is rotated along its axial direction for one circle, the large-diameter steel pipe to be processed is moved horizontally by a distance L pq , and the next round of melt-blowing is carried out. There is no leakage of melt-blowing in this melt-blowing method, because after the melt-blowing assembly melt-blown the steel pipe for one week, the steel pipe is moved horizontally to carry out the next round of melt-blowing.

[0062] In some embodiments, the second melt-blowing method may be: during the spraying process of the large-diameter steel pipe to be processed using a set of melt-blowing components, the large-diameter steel pipe to be processed is rotated along its axial direction while the large-diameter steel pipe to be processed is moved in the horizontal direction, so that the horizontal movement distance of the large-diameter steel pipe to be processed after one rotation along its axial direction is L. pq . When adopting this melt-blowing method, there is a situation of leaking melt-blowing, because while rotating the large-diameter steel pipe to be processed in its axial direction, the large-diameter steel pipe to be processed is moved in the horizontal direction, and the rotation and horizontal movement of the steel pipe are performed synchronously, so in the process of melt-blowing the steel pipe, there is a situation of leaking melt-blowing at the front end and the rear end of the steel pipe. Therefore, after melt-blowing the steel pipe by the second melt-blowing method, the areas where the melt-blowing leaks at the front end and the rear end of the steel pipe are also melt-blown. At this time, the leaking melt-blown area of ​​the steel pipe is rotated to the corresponding position of the melt-blowing component, and the melt-blowing process of rotating and moving the steel pipe horizontally is performed again, or the steel pipe is only rotated without horizontal movement. Because the area of ​​the melt-blown leak at the front end and the rear end of the steel pipe is small, it is also acceptable to melt-blown by only rotating the steel pipe.

[0063] In some embodiments, the third melt-blowing method can be: during the spraying process of the large-diameter steel pipe to be treated using two sets of melt-blowing assemblies, the large-diameter steel pipe to be treated is rotated along its axial direction while the large-diameter steel pipe to be treated is moved in the horizontal direction, so that the horizontal movement distance of the large-diameter steel pipe to be treated in rotating one circle along its axial direction is 2×L pq When this melt-blowing method is adopted, the connection direction of the two sets of melt-blown components is parallel to the axis of the steel pipe, and when the two sets of melt-blown components are melt-blown, there is no area of ​​missed melt-blown and no area of ​​repeated melt-blown in the steel pipe area corresponding to the two sets of melt-blown components.

[0064] In some embodiments, the fourth melt-blowing method can be: during the spraying process of the large-diameter steel pipe to be treated using three sets of melt-blowing assemblies, the large-diameter steel pipe to be treated is rotated along its axial direction while the large-diameter steel pipe to be treated is moved in the horizontal direction, so that the horizontal movement distance of the large-diameter steel pipe to be treated rotating along its axial direction for one circle is 3×L pq When this melt-blowing method is adopted, the connection direction of the three sets of melt-blown components is parallel to the axis of the steel pipe, and when the three sets of melt-blown components are melt-blown, there is no area of ​​missed melt-blown and no area of ​​repeated melt-blown in the steel pipe area corresponding to the three sets of melt-blown components.

[0065] In some embodiments, the fifth melt-blowing method may be: during the spraying process of the large-diameter steel pipe to be treated using four sets of melt-blowing assemblies, the large-diameter steel pipe to be treated is rotated along its axial direction while the large-diameter steel pipe to be treated is moved in the horizontal direction, so that the horizontal movement distance of the large-diameter steel pipe to be treated rotating along its axial direction for one circle is 4×L pq When this melt-blowing method is adopted, the connection direction of the four sets of melt-blown components is parallel to the axis of the steel pipe, and when the four sets of melt-blown components are melt-blown, there is no area of ​​missed melt-blown and no area of ​​repeated melt-blown in the steel pipe area corresponding to the four sets of melt-blown components.

[0066] S103, according to the diameter D gg , determine the diameter grade of the large-diameter steel pipe to be processed; and adjust the distance between the spray gun and the heater according to the diameter grade;

[0067] In some embodiments, the diameter D gg , determine the diameter grade of the large diameter steel pipe to be processed, including: if D0≤D gg <D1, the diameter grade of the large-diameter steel pipe to be processed is determined to be a large-diameter grade; D1 is the first diameter threshold; if D1≤D gg <D2, the diameter grade of the large-diameter steel pipe to be processed is determined to be a larger diameter grade; D2 is the second diameter threshold; if D gg ≥D2, then the diameter grade of the large-diameter steel pipe to be processed is determined to be an extra-large diameter grade. According to an embodiment of the present invention, by setting multiple diameter thresholds, the grades of large-diameter steel pipes can be accurately divided to ensure that each grade of pipes can obtain a suitable treatment solution according to their characteristics; steel pipes of different diameter grades may require different treatment processes or materials. Through diameter grading, the processing flow can be optimized, production efficiency can be improved, and unnecessary waste of resources can be reduced; steel pipes of different diameters differ in terms of performance, pressure bearing capacity, etc. Grading management helps to formulate targeted quality standards, thereby improving the overall quality and reliability of the product.

[0068] For example, if 400mm≤D gg <1000mm, the diameter grade of the large-diameter steel pipe to be processed is determined to be a large-diameter grade; if 1000mm≤D gg <2000mm, the diameter grade of the large-diameter steel pipe to be processed is determined to be a larger diameter grade; if D gg ≥2000mm, the diameter grade of the large-diameter steel pipe to be processed is determined to be an extra-large diameter grade.

[0069] In some embodiments, adjusting the distance between the spray gun and the heater according to the diameter grade includes: if the diameter grade of the large diameter steel pipe to be processed is a large diameter grade, adjusting the distance between the spray gun and the heater by a first distance adjustment coefficient; if the diameter grade of the large diameter steel pipe to be processed is a larger diameter grade, adjusting the distance between the spray gun and the heater by a second distance adjustment coefficient; if the diameter grade of the large diameter steel pipe to be processed is an extra-large diameter grade, adjusting the distance between the spray gun and the heater by a third distance adjustment coefficient.

[0070] In some embodiments, the calculation formula of the first distance adjustment coefficient may be:

[0071]

[0072] Among them, T z1 is the first distance adjustment coefficient; α is the standard angle between the spray gun and the heater about the corresponding cross-section point of the steel pipe; D gg0 The diameter is standard.

[0073] In some embodiments, the calculation formula of the second distance adjustment coefficient may be:

[0074]

[0075] Among them, T z2 is the second distance adjustment coefficient; α is the standard angle between the spray gun and the heater about the corresponding cross-section point of the steel pipe; D gg0 The diameter is standard.

[0076] In some embodiments, the calculation formula of the third distance adjustment coefficient may be:

[0077]

[0078] Among them, T z3 is the third distance adjustment coefficient; α is the standard angle between the spray gun and the heater about the corresponding cross-section point of the steel pipe; D gg0 The diameter is standard.

[0079] S104, according to the thickness H gg , determine the thickness grade of the large-diameter steel pipe to be processed; and adjust the power of the heater according to the thickness grade.

[0080] In some embodiments, the step of determining the thickness grade of the large diameter steel pipe to be processed according to the thickness Hgg includes: if 0<H gg gg ​<H2, the thickness grade of the large-diameter steel pipe to be processed is determined to be the second thickness grade; H2 is the second thickness threshold; if H gg ≥H2, then the thickness grade of the large-diameter steel pipe to be processed is determined to be the third thickness grade. According to an embodiment of the present invention, by setting a clear thickness threshold, the steel pipes to be processed can be accurately divided into different thickness grades to ensure that each grade of pipes can obtain appropriate treatment measures; steel pipes of different thickness grades may have differences in processing technology and treatment requirements. Through thickness grading, the processing flow can be formulated in a targeted manner to improve production efficiency; the grading of thickness grades helps to ensure that each type of product meets the corresponding quality standards, thereby improving the overall quality and reliability of the final product; clear thickness grading helps to reduce production risks caused by incorrect thickness judgments, and ensure that each thickness specification of steel pipes is properly treated; accurate thickness judgment can more effectively allocate materials and resources, avoid material waste due to inappropriate thickness, and improve resource utilization efficiency.

[0081] For example, if 0<H gg <6mm, the thickness grade of the large diameter steel pipe to be processed is determined to be the first thickness grade; if 6mm≤H gg <12mm, the thickness grade of the large diameter steel pipe to be processed is determined to be the second thickness grade; if H gg ≥12mm, the thickness grade of the large-diameter steel pipe to be processed is determined to be the third thickness grade.

[0082] In some embodiments, adjusting the power of the heater according to the thickness grade includes: if the thickness grade of the large diameter steel pipe to be processed is the first thickness grade, adjusting the power of the heater by a first power adjustment coefficient; if the thickness grade of the large diameter steel pipe to be processed is the second thickness grade, adjusting the power of the heater by a second power adjustment coefficient; if the thickness grade of the large diameter steel pipe to be processed is the third thickness grade, adjusting the power of the heater by a third power adjustment coefficient.

[0083] In some embodiments, the calculation formula of the first power adjustment coefficient may be:

[0084]

[0085] Among them, G l1 is the first power adjustment coefficient; H gg0 The thickness is standard.

[0086] In some embodiments, the calculation formula of the second power adjustment coefficient may be:

[0087]

[0088] Among them, Gl2 is the second power adjustment coefficient; H gg0 The thickness is standard.

[0089] In some embodiments, the calculation formula of the third power adjustment coefficient may be:

[0090]

[0091] Among them, G l3 is the third power adjustment coefficient; H gg0 The thickness is standard.

[0092] According to an embodiment of the present invention, by reasonably selecting the number of melt-blown components and the rotation mode of the spray gun according to the length and diameter of the steel pipe, the pipe body can be covered more effectively, the melt-blowing time can be shortened, and the efficiency of melt-blowing anti-corrosion of large-diameter steel pipes can be improved; for steel pipes of different diameters, the distance between the spray gun and the heater is dynamically adjusted to ensure that the melt-blown material can be sprayed in the best state, thereby improving the melt-blowing quality and avoiding uneven coating thickness; through preset parameter adjustment, manual intervention is reduced, the level of automation is improved, human errors are reduced, and safety and reliability are improved.

[0093] It should be noted that, for the aforementioned method embodiments, for the sake of simplicity, they are all described as a series of action combinations, but those skilled in the art should be aware that the present disclosure is not limited by the order of the actions described, because according to the present disclosure, certain steps can be performed in other orders or simultaneously. Secondly, those skilled in the art should also be aware that the embodiments described in the specification are all optional embodiments, and the actions and modules involved are not necessarily required by the present disclosure.

[0094] The above is an introduction to the method embodiment. The following is a further explanation of the scheme disclosed in the present invention through an apparatus embodiment.

[0095] Figure 2 A block diagram of a large diameter steel pipe melt-blown anti-corrosion control device according to an embodiment of the present disclosure is shown, the device comprising:

[0096] Acquisition module 201, used to obtain the length L of the large diameter steel pipe to be processed gg , diameter D gg and thickness H gg ;

[0097] The determining module 202 is configured to determine the length L according to the gg , determine the melt-blowing method for the large-diameter steel pipe to be processed; the melt-blowing method includes the number of melt-blowing components and the rotation method of the large-diameter steel pipe to be processed; the melt-blowing component includes a spray gun and a heater;

[0098] The first adjustment module 203 is used to adjust the diameter Dgg , determine the diameter grade of the large-diameter steel pipe to be processed; and adjust the distance between the spray gun and the heater according to the diameter grade;

[0099] The second adjustment module 204 is used to adjust the thickness H gg , determine the thickness grade of the large-diameter steel pipe to be processed; and adjust the power of the heater according to the thickness grade.

[0100] Those skilled in the art can clearly understand that, for the convenience and brevity of description, the specific working process of the described module can refer to the corresponding process in the aforementioned method embodiment, and will not be repeated here.

[0101] In the technical solution disclosed herein, the acquisition, storage and application of user personal information involved are in compliance with the provisions of relevant laws and regulations and do not violate public order and good morals.

[0102] According to an embodiment of the present disclosure, the present disclosure also provides an electronic device and a readable storage medium.

[0103] Figure 3 A schematic block diagram of an electronic device that can be used to implement an embodiment of the present disclosure is shown. The electronic device is intended to represent various forms of digital computers, such as laptop computers, desktop computers, workstations, personal digital assistants, servers, blade servers, mainframe computers, and other suitable computers. The electronic device can also represent various forms of mobile devices, such as personal digital processing, cellular phones, smart phones, wearable devices, and other similar computing devices. The components shown herein, their connections and relationships, and their functions are merely examples and are not intended to limit the implementation of the present disclosure described and / or required herein.

[0104] The electronic device includes a computing unit 301, which can perform various appropriate actions and processes according to a computer program stored in a ROM 302 or a computer program loaded from a storage unit 308 into a RAM 303. In the RAM 303, various programs and data required for the operation of the electronic device can also be stored. The computing unit 301, the ROM 302, and the RAM 303 are connected to each other via a bus 304. An I / O interface 305 is also connected to the bus 304.

[0105] A number of components in the electronic device are connected to the I / O interface 305, including: an input unit 306, such as a keyboard, a mouse, etc.; an output unit 307, such as various types of displays, speakers, etc.; a storage unit 308, such as a disk, an optical disk, etc.; and a communication unit 309, such as a network card, a modem, a wireless communication transceiver, etc. The communication unit 309 allows the electronic device to exchange information / data with other devices through a computer network such as the Internet and / or various telecommunication networks.

[0106] The computing unit 301 may be a variety of general and / or special processing components with processing and computing capabilities. Some examples of the computing unit 301 include, but are not limited to, a central processing unit (CPU), a graphics processing unit (GPU), various dedicated artificial intelligence (AI) computing chips, various computing units running machine learning model algorithms, digital signal processors (DSPs), and any appropriate processors, controllers, microcontrollers, etc. The computing unit 301 performs the various methods and processes described above, such as a large diameter steel pipe melt-blown anti-corrosion control method. For example, in some embodiments, the large diameter steel pipe melt-blown anti-corrosion control method may be implemented as a computer software program, which is tangibly contained in a machine-readable medium, such as a storage unit 308. In some embodiments, part or all of the computer program may be loaded and / or installed on an electronic device via ROM 302 and / or a communication unit 309. When the computer program is loaded into RAM 303 and executed by the computing unit 301, one or more steps of the large diameter steel pipe melt-blown anti-corrosion control method described above may be performed. Alternatively, in other embodiments, the computing unit 301 may be configured to execute the large diameter steel pipe meltblowing anti-corrosion control method by any other appropriate means (eg, by means of firmware).

[0107] Various implementations of the systems and techniques described above herein can be implemented in digital electronic circuit systems, integrated circuit systems, field programmable gate arrays (FPGAs), application specific integrated circuits (ASICs), application specific standard products (ASSPs), systems on chips (SOCs), load programmable logic devices (CPLDs), computer hardware, firmware, software, and / or combinations thereof. These various implementations may include: being implemented in one or more computer programs that can be executed and / or interpreted on a programmable system including at least one programmable processor, which can be a special purpose or general purpose programmable processor that can receive data and instructions from a storage system, at least one input device, and at least one output device, and transmit data and instructions to the storage system, the at least one input device, and the at least one output device.

[0108] The program code for implementing the method of the present disclosure may be written in any combination of one or more programming languages. These program codes may be provided to a processor or controller of a general-purpose computer, a special-purpose computer, or other programmable data processing device, so that the program code, when executed by the processor or controller, enables the functions / operations specified in the flow chart and / or block diagram to be implemented. The program code may be executed entirely on the machine, partially on the machine, partially on the machine and partially on a remote machine as a stand-alone software package, or entirely on a remote machine or server.

[0109] In the context of the present disclosure, a readable storage medium may be a tangible medium that may contain or store a program for use by or in conjunction with an instruction execution system, device, or equipment. A readable storage medium may be a machine-readable signal medium or a machine-readable storage medium. A readable storage medium may include, but is not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, device, or device, or any suitable combination of the foregoing. More specific examples of readable storage media may include an electrical connection based on one or more lines, a portable computer disk, a hard disk, a random access memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disk read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.

[0110] To provide interaction with a user, the systems and techniques described herein can be implemented on a computer having: a display device for displaying information to the user; and a keyboard and a pointing device (e.g., a mouse or trackball) through which the user can provide input to the computer. Other types of devices can also be used to provide interaction with the user; for example, the feedback provided to the user can be any form of sensory feedback (e.g., visual feedback, auditory feedback, or tactile feedback); and input from the user can be received in any form (including acoustic input, voice input, or tactile input).

[0111] The systems and techniques described herein may be implemented in a computing system that includes back-end components (e.g., as a data server), or a computing system that includes middleware components (e.g., an application server), or a computing system that includes front-end components (e.g., a user computer with a graphical user interface or a web browser through which a user can interact with implementations of the systems and techniques described herein), or a computing system that includes any combination of such back-end components, middleware components, or front-end components. The components of the system may be interconnected by any form or medium of digital data communication (e.g., a communications network). Examples of communications networks include: a local area network (LAN), a wide area network (WAN), and the Internet.

[0112] A computer system may include a client and a server. The client and the server are generally remote from each other and usually interact through a communication network. The relationship of client and server is generated by computer programs running on respective computers and having a client-server relationship with each other. The server may be a cloud server, a server of a distributed system, or a server combined with a blockchain.

[0113] It should be understood that the above-mentioned various forms of processes can be used to reorder, add or delete steps. For example, the steps recorded in this disclosure can be executed in parallel, sequentially, or in different orders, as long as the desired results of the technical solution of this disclosure can be achieved, and this document does not limit this.

[0114] The above specific implementations do not constitute a limitation on the protection scope of the present disclosure. It should be understood by those skilled in the art that various modifications, combinations, sub-combinations and substitutions can be made according to design requirements and other factors. Any modification, equivalent substitution and improvement made within the spirit and principle of the present disclosure shall be included in the protection scope of the present disclosure.

Claims

1. A large diameter steel pipe melt-blown anti-corrosion control method, characterized in that: include: Get the length L of the large diameter steel pipe to be processed gg , diameter D gg and thickness H gg ; According to the length L gg , determine the melt-blowing method for the large-diameter steel pipe to be processed; the melt-blowing method includes the number of melt-blowing components and the rotation method of the large-diameter steel pipe to be processed; the melt-blowing component includes a spray gun and a heater; According to the diameter D gg , determine the diameter grade of the large-diameter steel pipe to be processed; and adjust the distance between the spray gun and the heater according to the diameter grade; According to the thickness H gg , determine the thickness grade of the large-diameter steel pipe to be processed; and adjust the power of the heater according to the thickness grade.

2. The large diameter steel pipe melt-blown anti-corrosion control method according to claim 1 is characterized in that: According to the length L gg , determine the melt-blowing method for the large-diameter steel pipe to be processed, including: If k1<L gg <k2×L pq , then the large diameter steel pipe to be processed is melt-blown by a first melt-blowing method; L pq is the spraying length of the spray gun; If k2×L pq ≤L gg <k3×L pq , then melt-blowing the large-diameter steel pipe to be processed by a second melt-blowing method; If k3×L pq ≤L gg <k4×L pq , then melt-blowing the large-diameter steel pipe to be processed by a third melt-blowing method; If k4×L pq ≤L gg <k5×L pq , then melt-blowing the large-diameter steel pipe to be processed by a fourth melt-blowing method; If L gg ≥k5×L pq , the large-diameter steel pipe to be processed is melt-blown by the fifth melt-blowing method; k1, k2, k3, k4, k5 are the first length threshold, the second length threshold, the third length threshold, the fourth length threshold, and the fifth length threshold, respectively, and 0<k1<k2<k3<k4<k5.

3. The large diameter steel pipe melt-blown anti-corrosion control method according to claim 2, characterized in that: The first melt-blowing method is specifically as follows: during the spraying process of the large-diameter steel pipe to be processed using a set of melt-blowing components, the large-diameter steel pipe to be processed is rotated along its axial direction; after the large-diameter steel pipe to be processed is rotated along its axial direction for one circle, the large-diameter steel pipe to be processed is moved horizontally by a distance L. pq , proceed to the next round of meltblowing; The second melt-blowing method is specifically as follows: in the process of spraying the large-diameter steel pipe to be processed using a set of melt-blowing components, the large-diameter steel pipe to be processed is rotated along its axial direction while the large-diameter steel pipe to be processed is moved in the horizontal direction, so that the horizontal movement distance of the large-diameter steel pipe to be processed after one rotation along its axial direction is L. pq ; The third melt-blowing method is specifically as follows: in the process of spraying the large-diameter steel pipe to be processed using two sets of melt-blowing assemblies, the large-diameter steel pipe to be processed is rotated along its axial direction while the large-diameter steel pipe to be processed is moved in the horizontal direction, so that the horizontal movement distance of the large-diameter steel pipe to be processed after one rotation along its axial direction is 2×L pq ; The fourth melt-blowing method is specifically as follows: in the process of spraying the large-diameter steel pipe to be treated using three sets of melt-blowing assemblies, the large-diameter steel pipe to be treated is rotated along its axial direction while the large-diameter steel pipe to be treated is moved in the horizontal direction, so that the horizontal movement distance of the large-diameter steel pipe to be treated in rotating one circle along its axial direction is 3×L pq ; The fifth melt-blowing method is specifically as follows: in the process of spraying the large-diameter steel pipe to be processed using four sets of melt-blowing assemblies, the large-diameter steel pipe to be processed is rotated along its axial direction while the large-diameter steel pipe to be processed is moved in the horizontal direction, so that the horizontal movement distance of the large-diameter steel pipe to be processed after one rotation along its axial direction is 4×L pq .

4. The large diameter steel pipe melt-blown anti-corrosion control method according to claim 3 is characterized in that: According to the diameter D gg , determine the diameter grade of the large diameter steel pipe to be processed, including: If D0≤D gg <D1, the diameter grade of the large-diameter steel pipe to be processed is determined to be a large-diameter grade; D1 is the first diameter threshold; If D1≤D gg <D2, the diameter grade of the large-diameter steel pipe to be processed is determined to be a larger diameter grade; D2 is the second diameter threshold; D0 is the third diameter threshold; If D gg ≥D2, it is determined that the diameter grade of the large-diameter steel pipe to be processed is an extra-large diameter grade.

5. The large diameter steel pipe melt-blown anti-corrosion control method according to claim 4 is characterized in that: The step of adjusting the distance between the spray gun and the heater according to the diameter grade comprises: If the diameter grade of the large-diameter steel pipe to be processed is a large-diameter grade, the distance between the spray gun and the heater is adjusted by a first distance adjustment coefficient; If the diameter grade of the large-diameter steel pipe to be processed is a relatively large diameter grade, the distance between the spray gun and the heater is adjusted by a second distance adjustment coefficient; If the diameter grade of the large-diameter steel pipe to be processed is an extra-large diameter grade, the distance between the spray gun and the heater is adjusted by the third distance adjustment coefficient.

6. The large diameter steel pipe melt-blown anti-corrosion control method according to claim 5, characterized in that: Determining the thickness grade of the large-diameter steel pipe to be processed according to the thickness Hgg includes: If 0<H gg <H1, the thickness grade of the large-diameter steel pipe to be processed is determined to be the first thickness grade; H1 is the first thickness threshold; If H1≤H gg <H2, it is determined that the thickness grade of the large-diameter steel pipe to be processed is the second thickness grade; H2 is the second thickness threshold; If H gg ≥H2, it is determined that the thickness grade of the large-diameter steel pipe to be processed is the third thickness grade.

7. The large diameter steel pipe melt-blown anti-corrosion control method according to claim 6, characterized in that: The step of adjusting the power of the heater according to the thickness grade includes: If the thickness grade of the large-diameter steel pipe to be processed is the first thickness grade, the power of the heater is adjusted by the first power adjustment coefficient; If the thickness grade of the large-diameter steel pipe to be processed is the second thickness grade, the power of the heater is adjusted by the second power adjustment coefficient; If the thickness grade of the large-diameter steel pipe to be processed is the third thickness grade, the power of the heater is adjusted by the third power adjustment coefficient.

8. A large diameter steel pipe melt-blown anti-corrosion control device, characterized in that: include: Acquisition module, used to obtain the length L of the large diameter steel pipe to be processed gg , diameter D gg and thickness H gg ; Determine module for determining the length L according to the gg , determine the melt-blowing method for the large-diameter steel pipe to be processed; the melt-blowing method includes the number of melt-blowing components and the rotation method of the large-diameter steel pipe to be processed; the melt-blowing component includes a spray gun and a heater; The first adjustment module is used to adjust the diameter D gg , determine the diameter grade of the large-diameter steel pipe to be processed; and adjust the distance between the spray gun and the heater according to the diameter grade; The second adjustment module is used to adjust the thickness H gg , determine the thickness grade of the large-diameter steel pipe to be processed; and adjust the power of the heater according to the thickness grade.

9. An electronic device, characterized in that: include: at least one processor; A memory communicatively connected to the at least one processor; wherein the memory stores instructions executable by the at least one processor, the instructions being executed by the at least one processor so that the at least one processor can execute the method of any one of claims 1-7.

10. A non-transitory computer-readable storage medium storing computer instructions, characterized in that: The computer instructions are used to cause the computer to execute the method according to any one of claims 1-7.

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