CN113959228A - Manufacturing and mounting method of S-shaped bent pipeline of large sintering flue - Google Patents
Manufacturing and mounting method of S-shaped bent pipeline of large sintering flue Download PDFInfo
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- CN113959228A CN113959228A CN202111159858.9A CN202111159858A CN113959228A CN 113959228 A CN113959228 A CN 113959228A CN 202111159858 A CN202111159858 A CN 202111159858A CN 113959228 A CN113959228 A CN 113959228A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/001—Extraction of waste gases, collection of fumes and hoods used therefor
- F27D17/002—Details of the installations, e.g. fume conduits or seals
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27M—INDEXING SCHEME RELATING TO ASPECTS OF THE CHARGES OR FURNACES, KILNS, OVENS OR RETORTS
- F27M2003/00—Type of treatment of the charge
- F27M2003/04—Sintering
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Abstract
The invention discloses a manufacturing and installing method of a sintering large flue S-shaped pipeline, which comprises the following steps of firstly, lofting a pipeline model by applying design software, obtaining space curve parameters, and generating an actual model of a pipeline body; secondly, generating an engineering drawing of the part of the actual model of the pipeline body, carrying out section cutting on the engineering drawing to obtain the size parameter of the planar placement of the pipeline, and carrying out structural decomposition on the dimensional parameter according to the size parameter of the planar placement of the pipeline; then, according to the decomposed structure, performing steel plate lofting and typesetting to obtain the actual blanking size; and finally, rolling the plate according to the actual blanking size to manufacture an S-shaped bent pipeline, and hoisting the manufactured S-shaped bent pipeline. The model generated by software can be manufactured to be accurate in size and has only manufacturing errors when being butted with field equipment, and finally, a low-error assembly finished product is obtained. The device also plays an important role in field installation, accurately displays the weight of a hoisted object, the installation position and angle, and ensures the construction safety and the construction and installation accuracy.
Description
Technical Field
The invention belongs to the field of steel structure manufacturing and lofting installation, and particularly relates to a manufacturing and installing method of a sintering large flue S-shaped bent pipeline.
Background
The sintering ore can be connected with various large special-shaped flue pipes and special-shaped dust removal pipes anywhere in a factory, as one of the bright points and the characteristics of the whole project, the large flue is an important component of the sintering machine. It connects the sintering main flue and the main electric dust collector, and the two sides are symmetrically arranged. The S-shaped bent flue has the following characteristics and problems:
1. the space radius is formed at the bent section, the shape and the size are difficult to confirm, and great inconvenience is brought to the lofting and manufacturing of field materials;
2. the manufacturing diameter of the S-shaped bent flue main pipe is large, the thickness of the used steel plate is small, the roundness of the flue is difficult to control, and the welding and assembling amount is large;
3. blanking of the special-shaped flue pipe (large s pipe) from the sintering cooling chamber to the head electric dust removal space, typesetting is difficult, and the integral hoisting angle is difficult to master after ground assembly is finished;
4. the transportation is difficult, and the occupied area for assembling on the spot is larger.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the manufacturing and mounting method of the S-shaped bent pipeline of the large sintering flue solves the problems that in the prior art, a special-shaped flue pipe is difficult to manufacture and assemble and difficult to control in hoisting.
The invention adopts the following technical scheme for solving the technical problems:
a manufacturing and mounting method of a sintering large flue S-shaped bent pipeline comprises the following steps:
step 1, lofting a pipeline model by applying design software, acquiring space curve parameters, and generating an actual model of a pipeline body;
and 4, rolling the plate according to the actual blanking size to manufacture the S-shaped bent pipe, and hoisting the manufactured S-shaped bent pipe.
The specific method for acquiring the space curve parameters in the step 1 is as follows:
firstly, analyzing a design drawing to determine the thickness of a plate used by a pipeline, the diameter of the pipeline and the radius of a space; then, according to the sizes of the front view and the top view of the blueprint, the design software is applied to establish the central line of the two-plane pipeline; and finally, synthesizing the central lines of the two planes into a space curve.
The specific process of obtaining the size parameter of the pipeline plane placement in the step 2 is as follows:
firstly, converting an actual model of a pipeline body into an engineering drawing; secondly, performing a middle section on the engineering drawing, and determining the size parameter of the planar placement of the pipeline; then, determining the size position of the whole section or the size of a part of middle straight section area according to the size parameter; and finally, optimizing the size and the position of the section to obtain the arc length and the angle parameters of the two bending sections.
The specific process of step 3 is as follows:
dividing the pipeline into 6 parts from head to tail in sequence, wherein the 6 parts are respectively a first section to a sixth section, the first section, the third section, the fourth section and the sixth section are straight pipe sections, the second section and the fifth section are two elbow parts, and the size parameters of each section are respectively marked; and performing steel plate lofting and typesetting on the two sections of elbows according to the marked parameters to obtain the blanking size before rolling the on-site steel plate.
The four straight pipe sections are all truncated circular pipes.
The four straight pipe sections comprise upper dimension parameters and lower dimension parameters, and the elbow parts comprise central radii and elbow corner parameters.
The specific process of the step 4 is as follows:
setting a jig frame according to the actual blanking size parameter, and manufacturing a rolling plate by means of the jig frame; and the application software generates a simulation graph to confirm the installation angle, and lifting lugs are arranged at the corresponding positions of the S-shaped bent pipeline according to the simulation graph and then are hoisted.
In the manufacturing process, a welding gap is reserved during actual blanking and processing.
Compared with the prior art, the invention has the following beneficial effects:
1. the model generated by software can be manufactured to be accurate in size and has only manufacturing errors when being butted with field equipment, and finally, a low-error assembly finished product is obtained.
2. The lifting device can play an important role in field installation, accurately display the weight of a lifted object, the installation position and the angle, ensure the construction safety and the accuracy of construction and installation, save the lifting time, improve the working efficiency and save the economic cost.
Drawings
FIG. 1 is a schematic diagram of two plane centerlines of an S-bend pipeline in design software, wherein a is an X-axis position graph and b is a Y-axis position graph.
Fig. 2 is a vertical engineering drawing of the S-bend pipeline of the present invention.
Fig. 3 is a cross-sectional view of an S-bend pipe of the present invention.
FIG. 4 is a final dimensional view of a cross-sectional view of an S-bend pipeline of the present invention
FIG. 5 is a view of multi-section elbow/discharge at any angle for the S-bend pipeline of the present invention.
FIG. 6 shows a multi-section elbow/upper end section with any angle for the S-bend pipeline constant diameter circular tube of the present invention.
Wherein, the labels in the figure are: 1-a first section of straight pipe; 2-a second section of elbow; 3-third section of straight pipe; 4-a fourth section of straight pipe; 5-a fifth section of elbow; 6-sixth section of straight pipe.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
A manufacturing and mounting method of a sintering large flue S-shaped bent pipeline comprises the following steps:
step 1, lofting a pipeline model by applying design software, acquiring space curve parameters, and generating an actual model of a pipeline body;
and 4, rolling the plate according to the actual blanking size to manufacture the S-shaped bent pipe, and hoisting the manufactured S-shaped bent pipe.
In a specific embodiment, as shown in figures 1 to 6,
a manufacturing and mounting method of a sintering large flue S-shaped bent pipeline comprises the following steps:
step 1, lofting the flue model by utilizing SolidWorks software, and examining a design drawing to determine that the thickness of a plate used by the pipeline is a steel plate with the thickness of 10mm, and the diameter of the pipeline is phi 4800mm, and the space radius is R9000 mm. And establishing two plane pipeline center lines in SolidWorks software according to the sizes of the blueprint front view and the top view, and synthesizing the two azimuth center lines into a space curve. And generating an actual model of the flue body through space curve scanning.
1) and converting the graphic vertical surface into an engineering drawing, then performing middle section and determining the size parameter of the pipeline plane placement. The overall size location or the size of the partial middle straight-section area is determined by analysis of the cross-sectional view. Figure 3 is labeled as the size and shape of the actual lying floor of the flue.
2) And (4) sorting and optimizing the size parameters of the obtained cross section to obtain important parameters such as arc length, angle and the like of the two bending sections. As shown in fig. 4: the straight pipe can be decomposed into 6 parts from left to right, wherein the 6 parts comprise four straight pipe sections 1, 3, 4 and 6 and two elbow parts 2 and 5; the diameter of the pipeline is designed to be phi 4800 mm;
the first section of straight pipe 1 is a truncated circular pipe: the upper size is 798.59+ 152.23-950.82 mm; the lower size is 798.59+347.10 ═ 1145.69 mm;
the central radius R of the second section of elbow 2 is 8204.09mm, and the elbow corner is 61.348 degrees;
the third section of straight pipe 3 is a truncated circular pipe: the upper dimension is 1191.49 mm; the lower dimension is 1348.91 mm;
the fourth section of straight pipe 4 is a truncated circular pipe: the upper size is 4824.06+ 35.68-4859.74 mm; the lower size is 4770.01+30.23 ═ 4800.24 mm;
the central radius R of the fifth section of elbow 5 is 8670.45 mm; the angle of the elbow is 62.577 °
The sixth section of straight pipe 6 is a truncated circular pipe: the upper size is 310.08+ 1662.73-1972.81 mm; the lower size is 209.57+1662.73 ═ 1872.3 mm;
note: the data are ideal data for lofting optimization, and welding gaps need to be reserved when each part is machined on site.
now, taking one of the elbows as an example, the blanking layout shown in fig. 5 is obtained.
And 4, rolling plate manufacturing is carried out on site through the size parameters, a jig frame is arranged in the manufacturing process, the assembly size precision and the roundness are guaranteed, deformation caused by over-thin manufactured pipeline plates is avoided, secondary correction is reduced, and the workload is reduced. And finally, hoisting the manufactured bent pipe integrally or in sections. The installation angle can be confirmed by utilizing a software generated graph, and the lifting lug is arranged at the force bearing position, so that the installation is ensured to be carried out smoothly, the position is accurate, the construction time is saved, and the economic cost is saved.
The specific method for acquiring the space curve parameters in the step 1 is as follows:
firstly, analyzing a design drawing to determine the thickness of a plate used by a pipeline, the diameter of the pipeline and the radius of a space; then, according to the sizes of the front view and the top view of the blueprint, the design software is applied to establish the central line of the two-plane pipeline; and finally, synthesizing the central lines of the two planes into a space curve.
The specific process of obtaining the size parameter of the pipeline plane placement in the step 2 is as follows:
firstly, converting an actual model of a pipeline body into an engineering drawing; secondly, performing a middle section on the engineering drawing, and determining the size parameter of the planar placement of the pipeline; then, determining the size position of the whole section or the size of a part of middle straight section area according to the size parameter; and finally, optimizing the size and the position of the section to obtain the arc length and the angle parameters of the two bending sections.
The specific process of step 3 is as follows:
dividing the pipeline into 6 parts from head to tail in sequence, wherein the 6 parts are respectively a first section to a sixth section, the first section, the third section, the fourth section and the sixth section are straight pipe sections, the second section and the fifth section are two elbow parts, and the size parameters of each section are respectively marked; and performing steel plate lofting and typesetting on the two sections of elbows according to the marked parameters to obtain the blanking size before rolling the on-site steel plate.
The four straight pipe sections are all truncated circular pipes.
The four straight pipe sections comprise upper dimension parameters and lower dimension parameters, and the elbow parts comprise central radii and elbow corner parameters.
The specific process of the step 4 is as follows:
setting a jig frame according to the actual blanking size parameter, and manufacturing a rolling plate by means of the jig frame; and the application software generates a simulation graph to confirm the installation angle, and lifting lugs are arranged at the corresponding positions of the S-shaped bent pipeline according to the simulation graph and then are hoisted.
In the manufacturing process, a welding gap is reserved during actual blanking and processing.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.
Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
Those skilled in the art will appreciate that variations may be implemented by those skilled in the art in combination with the prior art and the above-described embodiments, and will not be described herein in detail. Such variations do not affect the essence of the present invention and are not described herein.
The above description is of the preferred embodiment of the invention. It is to be understood that the invention is not limited to the particular embodiments described above, in that devices and structures not described in detail are understood to be implemented in a manner common in the art; those skilled in the art can make many possible variations and modifications to the disclosed embodiments, or modify equivalent embodiments to equivalent variations, without departing from the spirit of the invention, using the methods and techniques disclosed above. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention are still within the protection scope of the technical solution of the present invention, unless the content of the technical solution of the present invention is departed from.
Claims (8)
1. A manufacturing and mounting method of a sintering large flue S-shaped bent pipeline is characterized by comprising the following steps: the method comprises the following steps:
step 1, lofting a pipeline model by applying design software, acquiring space curve parameters, and generating an actual model of a pipeline body;
step 2, generating an engineering drawing of the part of the actual model of the pipeline body, carrying out section cutting on the engineering drawing, obtaining the size parameter of the pipeline plane, and carrying out structural decomposition on the engineering drawing according to the size parameter of the pipeline plane;
step 3, performing steel plate lofting and typesetting according to the decomposed structure to obtain the actual blanking size;
and 4, rolling the plate according to the actual blanking size to manufacture the S-shaped bent pipe, and hoisting the manufactured S-shaped bent pipe.
2. The manufacturing and installing method of the S-bend of the large sintering flue as claimed in claim 1, wherein the method comprises the following steps: the specific method for acquiring the space curve parameters in the step 1 is as follows:
firstly, analyzing a design drawing to determine the thickness of a plate used by a pipeline, the diameter of the pipeline and the radius of a space; then, according to the sizes of the front view and the top view of the blueprint, the design software is applied to establish the central line of the two-plane pipeline; and finally, synthesizing the central lines of the two planes into a space curve.
3. The manufacturing and installation method of the S-shaped bent pipeline of the large sintering flue according to claim 1, characterized in that: the specific process of obtaining the size parameter of the pipeline plane placement in the step 2 is as follows:
firstly, converting an actual model of a pipeline body into an engineering drawing; secondly, performing a middle section on the engineering drawing, and determining the size parameter of the planar placement of the pipeline; then, determining the size position of the whole section or the size of a part of middle straight section area according to the size parameter; and finally, optimizing the size and the position of the section to obtain the arc length and the angle parameters of the two bending sections.
4. The manufacturing and installation method of the S-shaped bent pipeline of the large sintering flue according to claim 1, characterized in that: the specific process of step 3 is as follows:
dividing the pipeline into 6 parts from head to tail in sequence, wherein the 6 parts are respectively a first section to a sixth section, the first section, the third section, the fourth section and the sixth section are straight pipe sections, the second section and the fifth section are two elbow parts, and the size parameters of each section are respectively marked; and performing steel plate lofting and typesetting on the two sections of elbows according to the marked parameters to obtain the blanking size before rolling the on-site steel plate.
5. The manufacturing and installation method of the S-shaped bent pipeline of the large sintering flue according to claim 4, characterized in that: the four straight pipe sections are all truncated circular pipes.
6. The manufacturing and installation method of the S-shaped bent pipeline of the large sintering flue according to claim 4, characterized in that: the four straight pipe sections comprise upper dimension parameters and lower dimension parameters, and the elbow parts comprise central radii and elbow corner parameters.
7. The manufacturing and installation method of the S-shaped bent pipeline of the large sintering flue according to claim 1, characterized in that: the specific process of the step 4 is as follows:
setting a jig frame according to the actual blanking size parameter, and manufacturing a rolling plate by means of the jig frame; and the application software generates a simulation graph to confirm the installation angle, and lifting lugs are arranged at the corresponding positions of the S-shaped bent pipeline according to the simulation graph and then are hoisted.
8. The manufacturing and installation method of the S-shaped bent pipeline of the large sintering flue according to claim 1, characterized in that: in the manufacturing process, a welding gap is reserved during actual blanking and processing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111159858.9A CN113959228A (en) | 2021-09-30 | 2021-09-30 | Manufacturing and mounting method of S-shaped bent pipeline of large sintering flue |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111159858.9A CN113959228A (en) | 2021-09-30 | 2021-09-30 | Manufacturing and mounting method of S-shaped bent pipeline of large sintering flue |
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| CN113959228A true CN113959228A (en) | 2022-01-21 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114678808A (en) * | 2022-04-20 | 2022-06-28 | 北京国电天昱建设工程有限公司 | Green construction method for electric power engineering pipeline connection |
| CN114759491A (en) * | 2022-04-30 | 2022-07-15 | 山西一建集团有限公司 | Arc-shaped pipeline construction method |
| CN114987717A (en) * | 2022-07-05 | 2022-09-02 | 广州黄船海洋工程有限公司 | Positioning and mounting method for curved surface structure |
| CN116628906A (en) * | 2023-05-29 | 2023-08-22 | 河南华电金源管道有限公司 | Method for spatial bending combination of pipelines |
-
2021
- 2021-09-30 CN CN202111159858.9A patent/CN113959228A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114678808A (en) * | 2022-04-20 | 2022-06-28 | 北京国电天昱建设工程有限公司 | Green construction method for electric power engineering pipeline connection |
| CN114678808B (en) * | 2022-04-20 | 2023-10-17 | 北京国电天昱建设工程有限公司 | Environment-friendly construction method for electric power engineering pipeline connection |
| CN114759491A (en) * | 2022-04-30 | 2022-07-15 | 山西一建集团有限公司 | Arc-shaped pipeline construction method |
| CN114987717A (en) * | 2022-07-05 | 2022-09-02 | 广州黄船海洋工程有限公司 | Positioning and mounting method for curved surface structure |
| CN116628906A (en) * | 2023-05-29 | 2023-08-22 | 河南华电金源管道有限公司 | Method for spatial bending combination of pipelines |
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Application publication date: 20220121 |