CN107297579B - One tower desulfurization regeneration tower construction method - Google Patents
One tower desulfurization regeneration tower construction method Download PDFInfo
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- CN107297579B CN107297579B CN201710763815.9A CN201710763815A CN107297579B CN 107297579 B CN107297579 B CN 107297579B CN 201710763815 A CN201710763815 A CN 201710763815A CN 107297579 B CN107297579 B CN 107297579B
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- tower
- tower section
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
Abstract
The present invention relates to a tower desulfurization regeneration tower construction methods, it is according to tower internals support construction and tower outer platform position, desulfurizing barrel is segmented, measure platform is grouped desulfurizing tower tower segmentation cylinder, welds as group using tower internals support construction itself and tower outer platform.Ground by regenerate tower section attachment be all installed in place, using lifting support system integral hoisting, group to, welding.It is easy to operate since each segment body and attachment are installed ground is prefabricated, restricted clearance is rationally utilized, high altitude operation is reduced, lifting machine and artificial is saved, reduces construction cost, shorten the construction period, ensure that construction quality and construction safety.
Description
Technical field
The present invention relates to construction installation methods, specifically coke-oven plant's desulfurization regeneration tower fabrication and installation construction method.
Background technique
In recent years, due to the high speed development of China's economic, the continuous construction of industrial building, environmental pollution is increasingly serious, is
Slow down the pollution to environment, country goes into overdrive to supervise environmental protection facility, and time limit is required to renovate, and old factory's environmental protection facility is more
Newly, new factory's environmental protection facility perfect it is particularly important.Therefore, many desulfurizing items are transformed or create every year.Currently, desulfurization is again
There are mainly two types of the construction methods of raw tower.One is prefabricated tower is segmented using scene, segmental hoisting is in place, and tower outer platform follows
Installation, the lifting installation of regenerator piece housing, shell carry out the method construction of regenerator internal-external accessory installation again after being installed；Separately
One is the installation of desulfurization tower section main unit preform is carried out using live flip-chip method, the installation of desulfurization tower section internal-external accessory regenerates tower section
Shell lifting installation, shell carry out the method construction of regenerator internal-external accessory installation again after being installed.Therefore, geographical at the scene
Environmental condition is limited, and in the case that the duration is tight, in the improvement project of desulphurization system, can desulfurization regeneration tower smooth, on schedule complete
Show particularly important at construction.
Summary of the invention
The technical problem to be solved in the present invention is to provide an a kind of tower desulfurization regeneration tower construction methods, at least up to reach
Reduce high altitude operation content, shortens the purpose of construction period.
In order to solve the above technical problems, the scheme that the present invention uses is:
One tower desulfurization regeneration tower construction method, comprising steps of
The segmentation tower section segmentation of desulfurization tower section is determined according to the position of desulfurization tower section tower outer platform and Ta Nei internals support construction
Position, and barrel designs typesetting is segmented to desulfurization tower section on this basis；Desulfurization tower section is segmented shell rolling and welding, and
Tower outer platform and Ta Nei internals support construction are installed at the scene；
Time ordered pair desulfurizing tower section segmentation tower section lifting group is installed to, welding by segmentation, utilizes tower outer platform and Ta Nei internals
Support construction as segmentation tower section group to, welding when measure platform；
Prefabricated regeneration tower section main body, then at the scene to regeneration tower section main body group to, welding, and to regeneration tower section inside and outside it is attached
The prefabricated installation of part；
Lifting support system is made and installs, the lifting support system includes lifting support construction and lifting lug, described to hang
Cartridge support structure includes at least two support rods arranged in a crossed manner, the support rod both ends and the fixed company of regeneration tower section main body cylinder wall
It connects, the lifting lug is fixedly connected with support boom end, and lifting lug connects hoisting rope；Tower section will be regenerated using above-mentioned lifting support system
Integral hoisting is in place, then group to, welding.
Further, 500mm- is arranged below group butt welding mouth in the measure platform of each segmentation tower section of the desulfurization tower section
The position of 1500mm.
Further, the lifting lug passes through regeneration tower section tower top and is connected with tower top.
Further, first prefabricated group of tower section main body lower section 1-1.5m height cylinder of regeneration is to desulfurization tower section top section segmentation tower
Section is lifted simultaneously with top section segmentation tower section, is organized pair.
Further, platform railing is set on the outside of the desulfurization tower section tower outer platform.
The present invention is segmented desulfurizing barrel according to tower internals support construction and tower outer platform position, utilizes tower itself
Internals support construction and tower outer platform, to measure platform, are grouped desulfurizing tower tower segmentation cylinder, weld as group.On ground
Will regeneration tower section attachment be all installed in place, using lifting support system integral hoisting, group to, welding.
It is easy to operate since each segment body and attachment are installed ground is prefabricated, restricted clearance is rationally utilized, is subtracted
High altitude operation is lacked, has saved lifting machine with manually, reduce construction cost, shorten the construction period, ensure that construction quality
And construction safety.
Detailed description of the invention
Attached drawing herein is used to provide to further explanation of the invention, constitutes part of this application, of the invention shows
Meaning property embodiment and its explanation are used to explain the present invention, not constitute improper limitations of the present invention.
Fig. 1 is that desulfurizing tower is segmented tower section schematic diagram in the embodiment of the present invention.
Fig. 2 is the elevation that tower section lifting support system is regenerated in the embodiment of the present invention.
Fig. 3 is the top view that tower section lifting support system is regenerated in the embodiment of the present invention.
In figure, 1- desulfurization tower section is segmented cylinder, 2- tower outer platform, 3- internals support construction, and 4- regenerates tower section main body, and 5- hangs
Cartridge support structure, 6- lifting lug, 7- hoisting rope, 8- regenerate tower section tower top, 9- platform railing.
Specific embodiment
In order to make those skilled in the art better understand the present invention, below in conjunction with reference attached drawing and in conjunction with the embodiments to this
Further clear, complete explanation is made in invention.It should be noted that in the absence of conflict, embodiment in the application and
Feature in embodiment can be combined with each other.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.Unless otherwise clearly defined and limited, term " installation ", " connected ", " connection " shall be understood in a broad sense, example
Such as, it may be fixed connection or may be dismantle connection, or integral connection；It can be directly connected, it can also be in
Between medium be indirectly connected.For the ordinary skill in the art, above-mentioned term can be understood at this by concrete condition
Concrete meaning in invention.
The problem of for the transformation of an existing tower desulfurization regeneration tower, efficiently feasible construction method how to be taken to close
Reason shortens the construction period using the live confined space, reduces large-scale hoisting machinery investment, and economy expense captures regenerator
Section lifting problem, smoothly completes desulfurization regeneration tower construction on schedule.
Based on this, a kind of typical embodiment of the present invention provides a tower desulfurization regeneration tower construction method, comprising steps of
Desulfurization tower section
Mainly by studying desulfurization regeneration tower installation diagram in detail, refinement is carried out to desulfurization tower section.According to desulfurizing tower
The position of section tower outer platform 2 and Ta Nei internals support construction 3 determines that desulfurization tower section is segmented tower section division position, both can guarantee each
Segmentation can guarantee that the attachment on each segmentation tower section is all installed on ground convenient for prefabricated.And on this basis to desulfurizing tower
Section segmentation cylinder 1 designs typesetting, the length and width of plate is determined according to the height of each segmentation cylinder, by refinement requirement
Purchase material.Desulfurization tower section segmentation cylinder 1 rolls and welding, a segmentation tower section have multiple segmentation Cylinder assemblies welding and
At.And tower outer platform 2 and Ta Nei internals support construction 3 are installed at the scene.
Time ordered pair desulfurizing tower section segmentation tower section lifting group is installed to, welding by segmentation, utilizes tower outer platform 2 and Ta Nei internals
Support construction 3 as segmentation tower section group to, welding when measure platform.In each segmental hoisting group clock synchronization, on measure platform
It is operated, adjusts the installation verticality of tower, group pair, welding.
Regenerate tower section
The shell and internal-external accessory for regenerating tower section are completed in erecting bed by Design Requirement Drawing.
Prefabricated regeneration tower section main body 4, the regeneration tower section main body refer to its cylinder, then at the scene to regeneration tower section main body 4
Group to, welding, and to regeneration the prefabricated installation of tower section internal-external accessory；
Consider that regenerator diameter is big, barrel wall thickness makes in tower before lifting and installs lifting support system.It is described to hang
Filling support system includes lifting support construction 5 and lifting lug 6, and the lifting support construction includes at least two supports arranged in a crossed manner
Bar, the support rod both ends are fixedly connected with regeneration 4 barrel of tower section main body, and the lifting lug 6 is fixedly connected with support boom end, are hung
Ear 6 connects hoisting rope 7；Using above-mentioned lifting support system will regenerate tower section integral hoisting it is in place, then group to, welding.
Desulfurizing barrel is segmented according to tower internals support construction and tower outer platform position, refinement, utilizes tower
Internals support construction itself and tower outer platform, to measure platform, are grouped desulfurizing tower tower segmentation cylinder, weld as group.In
Ground by regenerate tower section attachment be all installed in place, using lifting support system integral hoisting, group to, welding.Due to each segmentation
Main body and attachment are installed ground is prefabricated, easy to operate, are rationally utilized restricted clearance, are reduced high altitude operation, save
Lifting machine and artificial, construction quality is guaranteed, the safety of operator is guaranteed.
In a preferred embodiment, the measure platform setting of each segmentation tower section of the desulfurization tower section is in group pair
The position of 500mm-1500mm below weld bond, it is ensured that the installed height mark of desulfurization tower section platform and internals support after being installed
It is consistent with original design.
In a preferred embodiment, the lifting lug 6 passes through regeneration tower section tower top 8 and is connected with tower top 8.Make
Stress when lifting reaches regeneration column overhead by lifting lug and reaches regenerator cylinder by support construction, it is ensured that regenerator when lifting
Stability.
In a preferred embodiment, consideration is big in high altitude operation difficulty with the link position group clock synchronization of regenerator,
In the case that especially desulfurization tower top is ellipse head, first prefabricated group of regeneration tower section main body lower section 1-1.5m height cylinder de- to arriving
Sulphur tower section top section segmentation tower section is lifted simultaneously with top section segmentation tower section, organize pair, need to only weld the regeneration tower section main body lower section and
Tower section main body rest part is regenerated, since their diameters are just as can further decrease high altitude operation difficulty and workload.
In a preferred embodiment, platform railing 9 is set on the outside of the desulfurization tower section tower outer platform 2, provides and applies
Work safety.
Claimed technical solution is described further below in conjunction with a specific embodiment.
Embodiment
Certain company's coke oven gas desulfurization system renovates engineering, mainly since former system desulfurization index is not up to standard,
By the transformation to three desulfurization regeneration towers and process pipe, it is made to meet environmental protection index requirement.Desulfurization tower section barrel diameter
6.4m, high 35.5m regenerate tower section barrel diameter 9.4m, high 10m, overall height about 45.5m.The original coke-stove gas one of the engineering
Tower gas desulfurizer, since equipment corrosion and other reasons, desulfurization index are up to standard.It is divided to original device to two phase engineerings
Do not stop production dismounting (phase is transformed two desulfurization regeneration towers, and the second phase is transformed third platform desulfurization regeneration tower), in original
There is the position of device to be updated transformation.Be updated the engineering of transformation since the engineering belongs to not stop production, execution conditions by
It limits extremely serious, is mainly reflected in that construction space is narrow, must not influence normally to produce, the duration is nervous, project amount is big, measure cost
The features such as high.
The construction technology process of the present embodiment:
The prefabricated installation of desulfurizing tower bottom plate-desulfurization tower section segmentation refinement-desulfurization tower section is segmented cylinder typesetting-desulfurization
It is flat outside tower section shell rolling-transport to erecting bed-desulfurization tower section segmentation Cylinder assembly welding-desulfurization tower section segmentation cylinder
The prefabricated installation of platform railing-desulfurization tower section segmentation body inner member support prefabricated installation-desulfurization tower section be respectively segmented tower section lifting group to,
Welding-regeneration tower section shell rolling-transport to erecting bed-regeneration tower section main body group is to attached inside and outside, welding-regeneration tower section
The prefabricated installation of part-regeneration tower section lifting support system design, production, installation-regeneration tower section integral hoisting, group to, weld-
Desulfurization regeneration tower IMM algorithm.
As shown in Figure 1, refinement is carried out to desulfurization tower section, according to desulfurization tower section tower outer platform 2 and tower internals support knot
3 position of structure determines desulfurization tower section tower section cut-point in conjunction with site environment, desulfurization tower section segmentation cylinder 1 is carried out typesetting, by typesetting
Size purchases material, and outer prefabricated place rolls at the construction field (site), and welding completes desulfurization tower section and is segmented cylinder at the construction field (site)
Body 1；Prefabricated installation tower outer platform 2, platform railing 9 and tower internals support construction 3, then desulfurization tower section tower section is successively hung in order
Fill welding.
As shown in Figures 2 and 3, outer prefabricated place rolls the regeneration tower section main body 4 at the construction field (site), at the construction field (site)
Welding, regeneration tower section main body lower section 1.2m long cylinder is first welded with desulfurization tower section top Cylinder assembly, then prefabricated installation tower
Internal-external accessory, designs and produces installation lifting support construction 5 and 4 lifting lug 6, and lifting support construction 5 uses the steel pipe cross of Φ 325
Intersect production, lifting support construction 5 and regeneration tower section main body cylinder inner wall are welded to connect, then lifting lug 6 is passed through regenerator top plate, is worn
The welded connecting of lifting support construction 5 is crossed, forms lifting support system, lifting lug 6 is connect with lifting wirerope with snap ring, by regenerator
Section integral hoisting it is in place, group to, welding.
The scope of protection of present invention is not limited to the above specific embodiment, to those skilled in the art, this
Invention can there are many deformation and change, it is all design of the invention within principle it is made it is any modification, improve and be equal
Replacement should be all included within protection scope of the present invention.
Claims (2)
1. a tower desulfurization regeneration tower construction method, comprising steps of
Desulfurization tower section segmentation tower section point is determined according to the position of internals support construction (3) in desulfurization tower section tower outer platform (2) and tower
Position is cut, and typesetting is designed to desulfurization tower section segmentation cylinder (1) on this basis；Desulfurization tower section segmentation cylinder (1) rolls and group
To welding, and internals support construction (3) in tower outer platform (2) and tower is installed at the scene；
Time ordered pair desulfurizing tower section segmentation tower section lifting group is installed to, welding by segmentation, utilizes internals branch in tower outer platform (2) and tower
Support structure (3) as segmentation tower section group to, welding when measure platform；The measure of each segmentation tower section of the desulfurization tower section is flat
The position of 500mm-1500mm below group butt welding mouth is arranged in platform；
Prefabricated regeneration tower section main body (4), then at the scene to regeneration tower section main body (4) group to, welding, regenerate tower section main body lower section
First prefabricated group of 1-1.5m height cylinder to desulfurization tower section top section segmentation tower section, lifting, organize pair simultaneously with top section segmentation tower section,
And to the regeneration prefabricated installation of tower section internal-external accessory；
Lifting support system is made and installs, the lifting support system includes lifting support construction (5) and lifting lug (6), described
Lifting support construction includes at least two support rods arranged in a crossed manner, the support rod both ends and regeneration tower section main body (4) barrel
It is fixedly connected, the lifting lug (6) is fixedly connected with support boom end, and lifting lug (6) passes through regeneration tower section tower top (8) and and tower top
(8) it is connected；Lifting lug (6) connects hoisting rope (7)；It is using above-mentioned lifting support system that regeneration tower section integral hoisting is in place,
Then group to, welding.
2. according to the method described in claim 1, it is characterized by: setting platform column on the outside of the desulfurization tower section tower outer platform (2)
Bar (9).
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| CN201710763815.9A CN107297579B (en) | 2017-08-30 | 2017-08-30 | One tower desulfurization regeneration tower construction method |
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| CN201710763815.9A CN107297579B (en) | 2017-08-30 | 2017-08-30 | One tower desulfurization regeneration tower construction method |
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| CN107297579B true CN107297579B (en) | 2019-11-05 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113199116A (en) * | 2021-04-21 | 2021-08-03 | 中国化学工程第三建设有限公司 | Method for welding aluminum fractionating tower in cold box in assembling mode |
| CN115283990B (en) * | 2022-07-22 | 2023-09-19 | 中国化学工程第六建设有限公司 | Large-scale equipment aerial pairing hoisting method |
| CN115446490A (en) * | 2022-09-29 | 2022-12-09 | 中国二十冶集团有限公司 | Assembling equipment and assembling method of granulating tower |
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