CN108507357B - Laying-out method for bricks lined in three-way pipeline of industrial furnace - Google Patents
Laying-out method for bricks lined in three-way pipeline of industrial furnace Download PDFInfo
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- CN108507357B CN108507357B CN201810266691.8A CN201810266691A CN108507357B CN 108507357 B CN108507357 B CN 108507357B CN 201810266691 A CN201810266691 A CN 201810266691A CN 108507357 B CN108507357 B CN 108507357B
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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
- F27D1/00—Casings; Linings; Walls; Roofs
- F27D1/04—Casings; Linings; Walls; Roofs characterised by the form, e.g. shape of the bricks or blocks used
- F27D1/045—Bricks for lining cylindrical bodies, e.g. skids, tubes
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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
- F27D1/00—Casings; Linings; Walls; Roofs
- F27D1/16—Making or repairing linings increasing the durability of linings or breaking away linings
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/13—Architectural design, e.g. computer-aided architectural design [CAAD] related to design of buildings, bridges, landscapes, production plants or roads
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
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Abstract
The invention relates to a lofting method for industrial furnace pipelines and three-way lining bricks, which comprises the steps of S1, creating a main pipe masonry processing model and a branch pipe masonry processing model through three-dimensional modeling software, then extracting a model of a single brick to be processed, measuring all the processed brick models, obtaining length information a, b, c and d and angle information e and f, forming a processing size detail table for directly guiding lofting of the processed bricks, S2, completing lofting of the processed bricks on standard bricks, S3, after lofting of the processed bricks, pre-laying the processed bricks according to numbers through processing of a brick cutting machine or manual site processing, and polishing a cutting surface which is uneven by a hand-held sand turbine.
Description
Technical Field
The invention relates to the technical field of furnace construction, in particular to a lofting method for types of industrial furnace pipeline three-way lining bricks.
Background
The brick structure of the three-way lining of the pipeline of the industrial furnace is complex, the traditional construction method is that bricks are placed on an arch mould, according to a connecting line of an arch mould intersecting line and a pipeline welding seam intersecting line, a constructor marks each processed bricks one by one on a construction site to cut one by one, and polishes for the second time, so that the processing quality is poor, a large amount of time is consumed, and the construction progress and the construction quality are seriously affected.
In view of this, there is a need for the invention of methods for lofting three-way linings of industrial pipelines, which can be used for lofting accurately and improve the masonry quality and work efficiency.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a lofting method for kinds of industrial furnace pipeline three-way lining bricks, which obtains the length information and the angle information of each brick to be processed through computer-aided three-way lining brick lofting, directly guides the lofting of the processed bricks, avoids errors caused by manual field lofting and improves the lofting precision.
The technical scheme adopted by the invention for solving the technical problems is as follows:
A lofting method for bricks lined in a three-way pipeline of an industrial furnace, which comprises the following steps:
s1, creating a main pipe masonry processing model and a branch pipe masonry processing model through three-dimensional modeling software, then extracting a model of a single brick to be processed, measuring all the processed brick models, obtaining length information a, b, c and d and angle information e and f, and forming a processing size detail table for directly guiding lofting of the processed bricks;
s2, finishing lofting of the processed bricks on the standard bricks;
and S3, after lofting of the processed bricks, pre-arranging the processed bricks according to numbers through brick cutting machine processing or manual field processing, and polishing the uneven cut surfaces by a hand-held sand turbine.
In the above method, the step S1 specifically includes the following five steps:
1) creating two cylinders with the diameters respectively equal to those of the main pipe masonry and the branch pipe masonry, obtaining two intersecting projection lines of the cylinders by a top view projection method, connecting two ends of the intersecting projection lines with a U-shaped frame to form a closed polygon, stretching the polygon in the height direction to form a shear block, and finally performing difference set operation on the cylinders and the shear block, namely subtracting the cylinders matched with the main pipe masonry from the shear block to obtain a main pipe cylinder; forming a branch pipe cylinder by the same principle;
2) creating a plurality of standard brick models, arranging staggered joint positions of adjacent bricks according to design requirements, completing the masonry model of the main pipe in an annular array mode, and combining the masonry models of the main pipe to form a main pipe masonry model; forming a branch pipe masonry model by the same method;
3) selecting a main pipe cylinder to align with the axis of the main pipe masonry model, using an intersection tool, reserving the overlapped part of the next two objects, and quickly obtaining a processing model of the main pipe masonry intersecting line; selecting a branch pipe cylinder to align with the axis of a branch pipe masonry model, using an intersection tool, reserving the overlapped part of the next two objects, and quickly obtaining a processing model of the intersection line of the branch pipe masonry, thereby obtaining a processing surface at the joint of the main pipe masonry and the branch pipe masonry;
4) using a segmentation tool to change discontinuous three-dimensional solid objects into independent individuals, namely extracting a model of a single processing brick;
5) and measuring all the processed brick models, acquiring length information a, b, c and d and angle information e and f, and forming a processing size list.
In the above method, in step S2, the brick processing lofting method adopts a length measurement lofting method: and (4) marking the length information a, b, c and d of each brick on the brick, and connecting the bricks.
In the above method, in step S2, the brick processing lofting method adopts a template lofting method: the length information a, b, c and d of each brick is marked on a paperboard, and the paperboard is cut into a paying-off sample plate after being connected with the wires to perform brick lofting.
In the above method, in step S2, the angle lofting method is adopted as the processing brick lofting method: and determining the included angle of the digital display angle ruler by using the digital display angle ruler through the angle information e and f of each brick, and finishing lofting of the processed bricks on the bricks.
In the method, the digital display angle ruler comprises an upper ruler body and a lower ruler body which are hinged with each other, the upper ruler body is provided with an angle measuring module, when the upper ruler body and the lower ruler body are combined, the angle is 0, and when the upper ruler body and the lower ruler body form an included angle, the angle measuring module displays angle data.
In the method, the articulated shaft of the upper ruler body and the lower ruler body is provided with the locking knob, and the upper ruler body and the lower ruler body form friction force through rotation to be locked and fixed.
The invention has the beneficial effects that:
in step S1, a processing line is quickly determined by means of overlooking projection, a main pipe cylinder and a branch pipe cylinder are formed by differential operation of a shear block, so that a vertical structural joint is formed at the joint of the main pipe and the branch pipe, the whole contact surface is tightly attached to , and the main pipe and the branch pipe can slide up and down (slightly deform) when heated and expand unevenly without causing crushing of bricks due to extrusion.
In step S2, the invention provides three processed brick lofting methods, namely a length measurement lofting method, a template lofting method and an angle lofting method, wherein the appropriate lofting method can be selected to finish lofting of the processed bricks on a standard brick, the length measurement lofting method can rapidly determine the processing size according to 4 pieces of length information, the measurement and lofting are simple and rapid, the template lofting method is suitable for lofting of a plurality of identical pipeline tee-joint processed bricks and does not need to repeatedly mark the length size, and the angle lofting is used for determining the processing size according to the angle information by actually measuring lengths when the length information is not consistent with the actual length information and then using a digital display angle ruler.
In step S3, the processed bricks are pre-laid by number by brick cutting machine processing or manual in-situ processing, and the cut surface is ground with a hand-held grinder with unevenness. Through putting in advance in spacious processing place, find out the problem that probably appears in building by laying bricks or stones in advance, revise, avoided revising work in main, the narrow and small and relatively inclosed space of branch pipe, improve the construction progress of building by laying bricks or stones greatly.
Drawings
The invention will be further described with reference to the drawings and examples, in which:
FIGS. 1-10 are schematic illustrations of a step implementation of step S1 of the method of the present invention;
FIG. 11 is a schematic diagram of a second step implementation of step S1 of the method of the present invention;
FIG. 12 is a schematic illustration of a third step implementation of step S1 of the method of the present invention;
FIG. 13 is a schematic perspective view of FIG. 12;
FIG. 14 is a schematic representation of a fifth step implementation of step S1 of the method of the present invention;
FIG. 15 is a schematic view of a payoff pattern in step S2 of the method of the present invention;
FIG. 16 is a schematic illustration of the angle lofting in step S2 of the method of the present invention.
In the drawing, 11 is a cylinder , 12 is a second cylinder, 13 is a intersecting projection line, 14 is a polygon, 15 is a second polygon, 16 is a shear block, 17 is a second shear block, 18 is a main pipe cylinder, 19 is a branch pipe cylinder, 21 is a main pipe masonry model, 22 is a branch pipe masonry model, 31 is a main pipe masonry processing model, 32 is a branch pipe masonry processing model, 40 is a processing brick, 50 is a pay-off template, 60 is a digital display angle ruler, 61 is an upper ruler body, 62 is a lower ruler body, 63 is an angle measuring module, 64 is an articulated shaft, 65 is a locking knob, and 70 is a standard brick.
Detailed Description
For a more clear understanding of the technical features, objects and effects of the present invention, embodiments of the present invention will now be described in detail with reference to the accompanying drawings.
The invention provides a lofting method for types of industrial furnace pipelines and three-way lining bricks, which comprises the following steps:
s1, creating a main pipe masonry processing model 31 and a branch pipe masonry processing model 32 through three-dimensional modeling software, then extracting a model of a single processing brick 40, measuring all the processing brick 40 models, obtaining length information a, b, c and d and angle information e and f, and forming a processing size detail table;
s2, finishing lofting of the processed bricks 40 on the standard bricks 70;
and S3, after lofting the processed bricks 40, pre-arranging the processed bricks according to numbers through brick cutting machine processing or manual field processing, and polishing the uneven cut surfaces by a hand-held sand turbine.
In the above method, step S1 is performed in AutoCAD, and specifically includes the following five steps:
1) creating two cylinders ( th cylinder 11, second cylinder 12) with the diameter equal to that of the main pipe masonry and the branch pipe masonry respectively, as shown in fig. 1, combining the two cylinders into a whole (a union) as shown in fig. 2, obtaining intersecting projection lines 13 by the top projection of the union as shown in fig. 3, copying parts of the intersecting projection lines 13, connecting two U-shaped frames with opposite openings with the ends of the two intersecting projection lines 13 respectively to form two closed polygons ( th polygon 14, second polygon 15) as shown in fig. 4 and 5, stretching the two polygons in the height direction to a length larger than the diameter of the cylinders to form a th shear block 16 and a second shear block 17, performing a difference set operation on the th shear block 16 and the th cylinder 11 (as shown in fig. 6), and performing a difference set operation on the second shear block 17 and the second cylinder 12 (as shown in fig. 7) to obtain a main pipe 18 (as shown in fig. 8) and a branch pipe masonry (as shown in fig. 9-10).
2) As shown in fig. 11, a plurality of standard brick 70 models are created, the staggered joint positions of the adjacent bricks are arranged according to the design requirement, then the masonry models of the main pipe pipelines are completed in an annular array mode, and then the masonry models of the main pipe pipelines are combined to form a main pipe masonry model 21; the same method is used to form the branch masonry model 22.
3) As shown in fig. 12-13, the main pipe cylinder 18 is selected to be aligned with the axis of the main pipe masonry model 21, an intersection tool is used, the overlapped part of the two objects is reserved, and a processing model of the main pipe masonry intersecting line, namely a main pipe masonry processing model 31, is quickly obtained; and selecting a branch pipe cylinder 19 to be aligned with the axis of the branch pipe masonry model 22, using an intersection tool, reserving the overlapped part of the next two objects, and quickly obtaining a processing model of the intersection line of the branch pipe masonry, namely a branch pipe masonry processing model 32, so as to obtain a processing surface at the joint of the main pipe masonry and the branch pipe masonry.
4) By using a segmentation tool, a model of a single processed brick 40 can be extracted by changing discrete three-dimensional solid objects (a master pipe masonry processing model 31 and a branch pipe masonry processing model 32) into independent individuals.
5) As shown in fig. 14, all the models of the processed bricks 40 are measured to obtain length information a, b, c, d and angle information e, f, and a processing size list is formed.
In the above method, in step S2, the constructor may select an appropriate lofting method, such as a length measurement lofting method, a template lofting method, and an angle lofting method, to complete lofting of the processed bricks 40 on the standard bricks 70 according to the actual situation.
The lofting method for processing the bricks 40 adopts a length measurement lofting method: and (4) marking the length information a, b, c and d of each brick on the brick, and connecting the bricks. The length measurement lofting method can be used for quickly determining the machining size according to 4 pieces of length information, and the measurement and lofting are simple, convenient and quick.
As shown in fig. 15, the lofting method of the processed brick 40 employs a template lofting method: the length information a, b, c and d of each brick is marked on a paperboard, and the paperboard is cut into a paying-off sample plate 50 for lofting the bricks after connection.
As shown in FIG. 16, the lofting method for the processed brick 40 adopts an angle lofting method, wherein the included angle of the digital display angle ruler 60 is determined by utilizing the digital display angle ruler 60 according to the angle information e and f of each brick, and the lofting of the processed brick 40 is completed on the brick, and the angle lofting is used for actually measuring lengths when the length information is not consistent with the actual length, and then the digital display angle ruler 60 determines the processing size according to the angle information.
The digital display angle ruler 60 comprises an upper ruler body 61 and a lower ruler body 62 which are hinged to each other, the upper ruler body 61 is provided with an angle measuring module 63, when the upper ruler body 61 and the lower ruler body 62 are overlapped, the angle is 0, and when the upper ruler body 61 and the lower ruler body 62 form an included angle, the angle measuring module 63 displays angle data. The hinge shaft 64 of the upper ruler body 61 and the lower ruler body 62 is provided with a locking knob 65, and the upper ruler body 61 and the lower ruler body 62 form friction force through rotation to be locked and fixed.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (6)
- The lofting method for the bricks lined in the three-way pipeline of the industrial furnaces is characterized by comprising the following steps of:s1, creating a main pipe masonry processing model and a branch pipe masonry processing model through three-dimensional modeling software, then extracting a model of a single brick to be processed, measuring all the processed brick models, obtaining length information a, b, c and d and angle information e and f, and forming a processing size detail table for directly guiding lofting of the processed bricks;the method is carried out in AutoCAD, and specifically comprises the following five steps:1) creating two cylinders with the diameters respectively equal to those of the main pipe masonry and the branch pipe masonry, obtaining two intersecting projection lines of the cylinders by a top view projection method, connecting two ends of the intersecting projection lines with a U-shaped frame to form a closed polygon, stretching the polygon in the height direction to form a shear block, and finally performing difference set operation on the cylinders and the shear block, namely subtracting the cylinders matched with the main pipe masonry from the shear block to obtain a main pipe cylinder; forming a branch pipe cylinder by the same principle;2) creating a plurality of standard brick models, arranging staggered joint positions of adjacent bricks according to design requirements, completing the masonry model of the main pipe in an annular array mode, and combining the masonry models of the main pipe to form a main pipe masonry model; forming a branch pipe masonry model by the same method;3) selecting a main pipe cylinder to align with the axis of the main pipe masonry model, using an intersection tool, reserving the overlapped part of the next two objects, and quickly obtaining a processing model of the main pipe masonry intersecting line; selecting a branch pipe cylinder to align with the axis of a branch pipe masonry model, using an intersection tool, reserving the overlapped part of the next two objects, and quickly obtaining a processing model of the intersection line of the branch pipe masonry, thereby obtaining a processing surface at the joint of the main pipe masonry and the branch pipe masonry;4) using a segmentation tool to change discontinuous three-dimensional solid objects into independent individuals, namely extracting a model of a single processing brick;5) measuring all the processed brick models, acquiring length information a, b, c and d and angle information e and f, and forming a processing size list;s2, finishing lofting of the processed bricks on the standard bricks;and S3, after lofting of the processed bricks, pre-arranging the processed bricks according to numbers through brick cutting machine processing or manual field processing, and polishing the uneven cut surfaces by a hand-held sand turbine.
- 2. The method for lofting three-way lining bricks of an industrial furnace pipeline according to claim 1, wherein in step S2, the method for lofting the processed bricks adopts a length measurement lofting method: and (4) marking the length information a, b, c and d of each brick on the brick, and connecting the bricks.
- 3. The method for lofting three-way lining bricks of an industrial furnace pipeline according to claim 1, wherein in step S2, the method for lofting the processed bricks adopts a template lofting method: the length information a, b, c and d of each brick is marked on a paperboard, and the paperboard is cut into a paying-off sample plate after being connected with the wires to perform brick lofting.
- 4. The method for lofting bricks in a three-way lining of an industrial furnace pipeline according to claim 1, wherein in step S2, the method for lofting the processed bricks adopts an angle lofting method: and determining the included angle of the digital display angle ruler by using the digital display angle ruler through the angle information e and f of each brick, and finishing lofting of the processed bricks on the bricks.
- 5. The method for lofting bricks in an industrial furnace pipeline tee joint lining according to claim 4, wherein the digital display angle ruler comprises an upper ruler body and a lower ruler body which are hinged with each other, the upper ruler body is provided with an angle measuring module, when the upper ruler body and the lower ruler body are combined, the angle is 0, and when the upper ruler body and the lower ruler body form an included angle, the angle measuring module displays angle data.
- 6. The method for lofting bricks in an industrial furnace pipeline tee joint lining, according to claim 5, is characterized in that locking knobs are arranged on the hinged shafts of the upper ruler body and the lower ruler body, and the upper ruler body and the lower ruler body form friction force through rotation to be locked and fixed.
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| CN109974674A (en) * | 2019-03-12 | 2019-07-05 | 中建三局第二建设工程有限责任公司 | Pipe communicated wire laying out instrument |
| CN111062106A (en) * | 2019-12-18 | 2020-04-24 | 贵州省水利水电勘测设计研究院 | Parameterization modeling method for workshop draft tube |
| CN113883902A (en) * | 2021-10-12 | 2022-01-04 | 攀钢集团工程技术有限公司 | Method for building refractory bricks of corner furnace wall |
| CN115232901A (en) * | 2022-08-02 | 2022-10-25 | 鞍钢建设集团有限公司 | Method for accurately controlling building quality of blast furnace carbon bricks |
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