CN106731547B - Desulfurizing absorption tower bottom steel frame and manufacturing method thereof - Google Patents
Desulfurizing absorption tower bottom steel frame and manufacturing method thereof Download PDFInfo
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- CN106731547B CN106731547B CN201710109533.7A CN201710109533A CN106731547B CN 106731547 B CN106731547 B CN 106731547B CN 201710109533 A CN201710109533 A CN 201710109533A CN 106731547 B CN106731547 B CN 106731547B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
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Abstract
The invention discloses a bottom steel frame of a desulfurization absorption tower, which comprises the following components: a circular steel plate disposed at the exact center of the bottom of the absorption tower; the plurality of radial steel beams are uniformly arranged in the radial direction of the bottom of the absorption tower, and the bottom of the radial steel beams is welded with the bottom plate of the absorption tower; the plurality of annular steel plates are uniformly arranged in the annular direction at the bottom of the absorption tower and welded with the radial steel beams; the radial steel plates are uniformly arranged in the radial direction of the bottom of the absorption tower and are welded with the upper parts of the annular steel plates; plug welding holes are arranged at the intersections of the radial steel beams and the annular steel plates, and the radial steel beams and the annular steel plates are welded through the plug welding holes; the hollow round steel plates are all located above the radial steel beams and welded with the radial steel beams. The invention also provides a manufacturing method of the bottom steel frame of the desulfurization absorption tower. The invention has the beneficial effects that: the support strength and gradient precision of the steel frame at the bottom of the absorption tower are improved, and the construction is convenient, safe and reliable.
Description
Technical Field
The invention relates to the technical field of desulfurization absorption towers, in particular to a bottom steel frame of a desulfurization absorption tower and a manufacturing method thereof.
Background
In the desulfurization engineering of a power plant, in order to avoid precipitation of solid gypsum and other components, the bottom of an absorption tower is specially designed into an inverted cone shape, namely, a base steel plate of the desulfurization absorption tower adopts an inverted cone-shaped bottom plate with high center and low gradient at the periphery edge. In the structure, the steel supporting frame of the bottom plate of the desulfurization absorption tower adopts rectangular brackets with heights from the center of the bottom to the periphery and different series of heights from high to low, supports a piece of flat steel, and the bracket and the flat steel are firmly welded to finish the whole bottom steel frame in a divergent arrangement. Because the small rectangular support is adopted for supporting, the supporting strength is weaker, the height also has construction errors, the bottom plate gradient leveling precision is poor, the construction is complex, time and labor are wasted, and the long-term bottom stabilization is not facilitated.
Disclosure of Invention
In order to solve the problems, the invention aims to provide a desulfurization absorption tower bottom steel frame and a manufacturing method thereof, which improve the support strength and gradient precision of the absorption tower bottom.
The invention provides a bottom steel frame of a desulfurization absorption tower, which comprises the following components:
a round steel plate which is a base inner ring of a steel frame at the bottom of the absorption tower and is arranged at the right center of the bottom of the absorption tower;
the radial steel beams are slope-shaped steel beams, 24 radial steel beams are uniformly arranged at the bottom of the absorption tower and are arranged in a divergent circular shape in the radial direction of the bottom of the absorption tower, the innermost edge of each radial steel beam is aligned with the outermost edge of the circular steel plate and is welded and fixed, the outermost edge of each radial steel beam is aligned with the outermost edge of the bottom plate of the absorption tower, and the bottom of each radial steel beam is welded and fixed with the bottom plate of the absorption tower;
the annular steel plates are arranged at the bottom of the absorption tower, 5 annular steel plates are uniformly arranged in the annular direction of the bottom of the absorption tower, and the side surfaces of the annular steel plates are welded and fixed with the radial steel beams;
the radial steel plates are arranged at the bottom of the absorption tower, 24 radial steel plates are uniformly arranged at the bottom of the absorption tower and are arranged in a divergent circular shape in the radial direction, and the radial steel plates are fixedly welded with the upper parts of the annular steel plates;
the plug welding holes are square steel plates, are arranged at the intersections of the radial steel beams and the annular steel plates, and are welded and fixed with the 5 annular steel plates through 120 plug welding holes;
the inner edge of the hollow round steel plate is aligned with the outer edge of the round steel plate, the outer edge of the hollow round steel plate is aligned with the outermost edge of the bottom plate of the absorption tower, and the hollow round steel plate is positioned above the radial steel beam and welded with the radial steel beam.
As a further improvement of the invention, the slope-shaped steel beam is half I-steel which is formed by splitting one I-steel up and down along the longitudinal diagonal line respectively.
As a further improvement of the present invention, the diameter of the circular steel plate is 2.5m, and the hollow diameter of the hollow circular steel plate is 2.5m.
The invention also provides a manufacturing method of the bottom steel frame of the desulfurization absorption tower, which comprises the following steps:
step 1, respectively longitudinally and diagonally cutting 12I-beams with the number 32 vertically to form 24 slope-shaped steel beams serving as radial steel beams;
step 2, uniformly arranging 24 radial steel beams in a radial direction of the bottom of the absorption tower in a divergent circular arrangement, ensuring that the outermost edge of the radial steel beams is aligned with the outermost edge of the bottom plate of the absorption tower, and welding and fixing the bottom of the radial steel beams and the bottom plate of the absorption tower;
step 3, uniformly arranging 24 radial steel plates in the radial direction of the bottom of the absorption tower, arranging 5 annular steel plates in the annular direction of the bottom of the absorption tower, uniformly arranging 1 plug welding holes at the intersections of the radial steel beams and the annular steel plates, so that the 24 radial steel beams and the 5 annular steel plates are welded and fixed through 120 plug welding holes, and simultaneously, welding and fixing the radial steel plates and the upper parts of the annular steel plates, thereby completing the steel frame of the bottom of the absorption tower;
step 4, pouring wet concrete on a steel frame at the bottom of the absorption tower, not pouring in the range of 2.5m of the diameter of the central point at the bottom of the absorption tower, and ensuring that wet concrete is fully poured in steel frame grids except for the range of 2.5m of the diameter of the central point at the bottom of the absorption tower;
step 5, covering a hollow round steel plate on the top of a steel frame which is poured with wet concrete on the steel frame at the bottom of the absorption tower except for the diameter of the central point at the bottom of the absorption tower within the range of 2.5m, and welding and fixing the hollow round steel plate and the top of the radial steel beam;
and 6, pouring wet concrete into the diameter of the central point of the bottom of the absorption tower within 2.5m, pouring the wet concrete to a height of 300mm, and covering a circular steel plate with a diameter of 2.5m into the diameter of the central point of the bottom of the absorption tower within 2.5m, thereby completing the manufacture of the steel frame of the bottom of the absorption tower.
The beneficial effects of the invention are as follows:
1. the section of I-steel with the required length is split up and down from the diagonal line in the side surface, one section is changed into two slope-shaped steel beams, a plurality of I-steel sections are split from the middle section to generate a plurality of times of slope-shaped steel beams, the former flat steel and a small welded rectangular bracket thereof are replaced, compared with the traditional flat steel, the support strength is higher, the gradient precision of the bottom of the absorption tower is higher, and the steel skeleton at the bottom of the absorption tower can be borne by the long-term bearing capacity without deformation;
2. cost is saved, the supporting strength is safe, stable and reliable, and the construction difficulty is low.
Drawings
FIG. 1 is a schematic flow chart of a method for manufacturing a steel frame at the bottom of a desulfurization absorption tower according to an embodiment of the invention;
fig. 2 is a schematic structural view of a bottom steel frame of a desulfurization absorber tower according to an embodiment of the present invention.
In the drawing the view of the figure,
1. a circular steel plate; 2. radial steel beams; 3. a circumferential steel plate; 4. a radial steel plate; 5. plug welding holes; 6. hollow round steel plate.
Detailed Description
The invention will now be described in further detail with reference to specific examples thereof in connection with the accompanying drawings.
Embodiment 1 as shown in fig. 2, a desulfurization absorber tower bottom steel frame according to a first embodiment of the present invention includes: the steel plate comprises a circular steel plate 1, 24 radial steel beams 2, 5 annular steel plates 3, 24 radial steel plates 4, 1 hollow circular steel plate 6 and 120 plug welding holes 5.
The round steel plate 1 is the base inner ring of the steel frame at the bottom of the absorber tower, and the round steel plate 1 is arranged at the right center of the bottom of the absorber tower.
The radial steel beams 2 are slope-shaped steel beams, the radial steel beams 2 are arranged at the bottom of the absorption tower, 24 radial steel beams 2 are uniformly arranged in the radial direction of the bottom of the absorption tower and are arranged in a divergent circular shape, the innermost edge of each radial steel beam 2 is aligned with the outermost edge of the circular steel plate 1 and is welded and fixed, the outermost edge of each radial steel beam 2 is aligned with the outermost edge of the bottom plate of the absorption tower, and the bottom of each radial steel beam 2 is welded and fixed with the bottom plate of the absorption tower.
The annular steel plates 3 are arranged at the bottom of the absorption tower, the 5 annular steel plates 3 are uniformly arranged in the annular direction of the bottom of the absorption tower, and the side surfaces of the annular steel plates 3 are welded and fixed with the radial steel beams 2.
The radial steel plates 4 are arranged at the bottom of the absorption tower, 24 radial steel plates 4 are uniformly arranged at the radial direction of the bottom of the absorption tower and are arranged in a divergent circular shape, and the radial steel plates 4 are welded and fixed with the upper part of the annular steel plate 3.
The plug welding holes 5 are small square steel plates, the plug welding holes 5 are arranged at the top of the intersection of the radial steel beams 2 and the annular steel plates 3, and the 24 radial steel beams 2 and the 5 annular steel plates 3 are welded and fixed through 120 plug welding holes 5.
The inner edge of the hollow round steel plate 6 is aligned with the outer edge of the round steel plate 1, the outer edge of the hollow round steel plate 6 is aligned with the outermost edge of the bottom plate of the absorption tower, and the hollow round steel plate 6 is positioned above the radial steel beam 2 and welded with the radial steel beam 2.
The radial steel beam 2 is a half I-steel which is respectively longitudinally split up and down along the diagonal line. The diameter of the round steel plate 1 was 2.5m, and the hollow diameter of the hollow round steel plate 6 was 2.5m.
Embodiment 2 of the present invention is a method for manufacturing a bottom steel frame of a desulfurization absorber tower according to a second embodiment of the present invention, as shown in fig. 1, comprising the following steps:
step 1, 12I-steel beams with the number 32 are respectively cut up and down along the longitudinal diagonal lines to form 24 slope-shaped steel beams serving as radial steel beams 2.
And 2, uniformly arranging 24 radial steel beams 2 in a divergent circular arrangement in the radial direction of the bottom of the absorption tower, ensuring the alignment of the outermost edge of the radial steel beams 2 and the outermost edge of the bottom plate of the absorption tower, and welding and fixing the bottom of the radial steel beams 2 and the bottom plate of the absorption tower.
And 3, uniformly arranging 24 radial steel plates 4 in the radial direction of the bottom of the absorption tower, arranging 5 annular steel plates 3 in the annular direction of the bottom of the absorption tower, and uniformly arranging plug welding holes 5 of 1 small square steel plate at the intersection of the radial steel beam 2 and the annular steel plates 3, so that the 24 radial steel beams 2 and the 5 annular steel plates 3 are welded and fixed through 120 plug welding holes 5, and simultaneously, the upper parts of the radial steel plates 4 and the annular steel plates 3 are welded and fixed, so as to finish the steel frame of the bottom of the absorption tower.
Step 4, pouring wet concrete on the steel frame at the bottom of the absorption tower, not pouring in the range of 2.5m of the diameter of the central point at the bottom of the absorption tower, and ensuring that wet concrete is fully poured in the steel frame grids except for the range of 2.5m of the diameter of the central point at the bottom of the absorption tower;
step 5, covering a hollow round steel plate 6 on the top of a steel frame which is poured with wet concrete on the steel frame at the bottom of the absorption tower except for the diameter of the central point at the bottom of the absorption tower within the range of 2.5m, and welding and fixing the hollow round steel plate 6 and the top of the radial steel beam 2;
and 6, pouring wet concrete into the diameter of the central point of the bottom of the absorption tower within 2.5m, pouring the wet concrete to 300mm, and covering a round steel plate 1 with the diameter of 2.5m into the diameter of the central point of the bottom of the absorption tower within 2.5m, thereby completing the manufacture of the steel frame of the bottom of the absorption tower.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (3)
1. A desulfurization absorber tower bottom steel frame, comprising:
a round steel plate (1) which is a base inner ring of a steel frame at the bottom of the absorption tower, wherein the round steel plate (1) is arranged at the right center of the bottom of the absorption tower;
the radial steel beams (2) are slope-shaped steel beams and are half I-shaped steel beams which are respectively split vertically along the longitudinal diagonal lines, the radial steel beams (2) are arranged at the bottom of the absorption tower, 24 radial steel beams (2) are uniformly arranged at the radial direction of the bottom of the absorption tower and are arranged in a divergent circular shape, the innermost edge of each radial steel beam (2) is aligned with the outermost edge of each circular steel plate (1) and welded and fixed, the outermost edge of each radial steel beam (2) is aligned with the outermost edge of the bottom plate of the absorption tower, and the bottom of each radial steel beam (2) is welded and fixed with the bottom plate of the absorption tower;
the annular steel plates (3) are arranged at the bottom of the absorption tower, 5 annular steel plates (3) are uniformly arranged in the annular direction of the bottom of the absorption tower, and the side surfaces of the annular steel plates (3) are welded and fixed with the radial steel beams (2);
the radial steel plates (4) are arranged at the bottom of the absorption tower, 24 radial steel plates (4) are uniformly arranged at the bottom of the absorption tower and are arranged in a divergent circular shape in the radial direction, and the radial steel plates (4) are fixedly welded with the top of the annular steel plate (3);
the plug welding holes (5) are square steel plates, the plug welding holes (5) are arranged at the intersections of the radial steel beams (2) and the annular steel plates (3), and 24 radial steel beams (2) and 5 annular steel plates (3) are welded and fixed through 120 plug welding holes (5);
the inner edge of the hollow round steel plate (6) is aligned with the outer edge of the round steel plate (1), the outer edge of the hollow round steel plate (6) is aligned with the outermost edge of the bottom plate of the absorption tower, and the hollow round steel plate (6) is positioned above the radial steel beam (2) and welded with the radial steel beam (2).
2. The desulfurization absorber tower bottom steel frame according to claim 1, wherein the diameter of the round steel plate (1) is 2.5m, and the hollow diameter of the hollow round steel plate (6) is 2.5m.
3. The manufacturing method of the bottom steel frame of the desulfurization absorption tower is characterized by comprising the following steps:
step 1, respectively longitudinally and diagonally cutting 12I-steel beams with the number 32 vertically to form 24 slope-shaped steel beams serving as radial steel beams (2);
step 2, uniformly arranging 24 radial steel beams (2) in a radial direction of the bottom of an absorption tower in a divergent circular arrangement, ensuring that the outermost edge of the radial steel beams (2) is aligned with the outermost edge of a bottom plate of the absorption tower, and welding and fixing the bottom of the radial steel beams (2) and the bottom plate of the absorption tower;
step 3, uniformly arranging 24 radial steel plates (4) in the radial direction of the bottom of the absorption tower, arranging 5 annular steel plates (3) in the annular direction of the bottom of the absorption tower, uniformly arranging 1 plug welding holes (5) at the intersections of the radial steel beams (2) and the annular steel plates (3), and enabling the 24 radial steel beams (2) and the 5 annular steel plates (3) to be welded and fixed through 120 plug welding holes (5), and simultaneously, welding and fixing the radial steel plates (4) and the upper parts of the annular steel plates (3) to finish the steel frame of the bottom of the absorption tower;
step 4, pouring wet concrete on a steel frame at the bottom of the absorption tower, not pouring in the range of 2.5m of the diameter of the central point at the bottom of the absorption tower, and ensuring that wet concrete is fully poured in steel frame grids except for the range of 2.5m of the diameter of the central point at the bottom of the absorption tower;
step 5, covering a hollow round steel plate (6) on the top of a steel frame which is poured with wet concrete on the steel frame at the bottom of the absorption tower except for the diameter of the central point at the bottom of the absorption tower within the range of 2.5m, and welding and fixing the hollow round steel plate (6) and the top of the radial steel beam (2);
and 6, pouring wet concrete into the diameter of the central point of the bottom of the absorption tower within 2.5m, pouring the wet concrete to a height of 300mm, and covering a circular steel plate (1) with the diameter of 2.5m into the diameter of the central point of the bottom of the absorption tower within 2.5m, thereby completing the manufacture of the steel frame at the bottom of the absorption tower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710109533.7A CN106731547B (en) | 2017-02-27 | 2017-02-27 | Desulfurizing absorption tower bottom steel frame and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710109533.7A CN106731547B (en) | 2017-02-27 | 2017-02-27 | Desulfurizing absorption tower bottom steel frame and manufacturing method thereof |
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| Publication Number | Publication Date |
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| CN106731547A CN106731547A (en) | 2017-05-31 |
| CN106731547B true CN106731547B (en) | 2023-07-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710109533.7A Active CN106731547B (en) | 2017-02-27 | 2017-02-27 | Desulfurizing absorption tower bottom steel frame and manufacturing method thereof |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB115957A (en) * | 1917-07-18 | 1918-05-30 | British Thomson Houston Co Ltd | Improvements in and relating to Centrifugal Compressors. |
| US4362589A (en) * | 1981-11-27 | 1982-12-07 | Trus Joist Corporation | Method of manufacture of tapered wood I-beam |
| JPH03161022A (en) * | 1989-11-18 | 1991-07-11 | Babcock Hitachi Kk | Desulfurization equipment |
| CN201211458Y (en) * | 2007-12-25 | 2009-03-25 | 金川集团有限公司 | Supporting device of sulphuric acid absorbing column filler |
| CN102409897A (en) * | 2011-08-19 | 2012-04-11 | 浙江省电力设计院 | Round coal yard barricade of concrete pilaster of steel plate wall |
| CN102489126A (en) * | 2011-12-21 | 2012-06-13 | 常州联慧资源环境科技有限公司 | Composite desulfurizing absorption tower body with direct exhaust chimney |
| CN204017634U (en) * | 2014-07-17 | 2014-12-17 | 大唐科技产业集团有限公司 | A kind of pedestal of absorption tower |
| CN204212067U (en) * | 2014-10-21 | 2015-03-18 | 北京铁五院工程机械有限公司 | For the Rotary ball hinge steel frame system of Bridge Rotation Construction Technique |
-
2017
- 2017-02-27 CN CN201710109533.7A patent/CN106731547B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB115957A (en) * | 1917-07-18 | 1918-05-30 | British Thomson Houston Co Ltd | Improvements in and relating to Centrifugal Compressors. |
| US4362589A (en) * | 1981-11-27 | 1982-12-07 | Trus Joist Corporation | Method of manufacture of tapered wood I-beam |
| JPH03161022A (en) * | 1989-11-18 | 1991-07-11 | Babcock Hitachi Kk | Desulfurization equipment |
| CN201211458Y (en) * | 2007-12-25 | 2009-03-25 | 金川集团有限公司 | Supporting device of sulphuric acid absorbing column filler |
| CN102409897A (en) * | 2011-08-19 | 2012-04-11 | 浙江省电力设计院 | Round coal yard barricade of concrete pilaster of steel plate wall |
| CN102489126A (en) * | 2011-12-21 | 2012-06-13 | 常州联慧资源环境科技有限公司 | Composite desulfurizing absorption tower body with direct exhaust chimney |
| CN204017634U (en) * | 2014-07-17 | 2014-12-17 | 大唐科技产业集团有限公司 | A kind of pedestal of absorption tower |
| CN204212067U (en) * | 2014-10-21 | 2015-03-18 | 北京铁五院工程机械有限公司 | For the Rotary ball hinge steel frame system of Bridge Rotation Construction Technique |
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| CN106731547A (en) | 2017-05-31 |
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