CN103939875B - A kind of vertical exhaust-heat boiler module hoisting construction method - Google Patents
A kind of vertical exhaust-heat boiler module hoisting construction method Download PDFInfo
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- CN103939875B CN103939875B CN201410220758.6A CN201410220758A CN103939875B CN 103939875 B CN103939875 B CN 103939875B CN 201410220758 A CN201410220758 A CN 201410220758A CN 103939875 B CN103939875 B CN 103939875B
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Abstract
A kind of vertical exhaust-heat boiler module hoisting construction method, the method is for completing more than two row, being often classified as the lifting construction of 1-4 waste heat boiler, and step is: preparation of construction; Lifting device is installed; The lifting of I-1 module; Remove I-1 module packing material; I-1 module is connected with lower anchor head base; The lifting of I-1 module; II-2 module and the docking of I-1 module, promote II-2 module; Repeat above-mentioned steps, complete the lifting of the 1st all the other modules of row; Lifting device changes row, repeats above-mentioned steps, completes the lifting of all the other row modules; Remove lifting device and clear up job site.Beneficial effect of the present invention is: 1) adopt and traditional hanging method difference apportion, block-by-block hanging method, save hanging device Meteorological; 2) Lao Xinge hydraulic lifting system is adopted to promote and in place, safe and reliable; 3) single-row hoisting module is adopted, easy to operate.
Description
Technical field
The present invention relates to Construction Technology field, especially relate to a kind of construction method of vertical exhaust-heat boiler module hoisting.
Background technology
As the waste heat boiler of vertical, three-pressure reheat, Natural Circulation, this boiler for generation of high, medium and low voltage steam and reheated steam, outdoor layout.The heating surface of waste heat boiler is adopted the modular design supply of material by supplier, the heating surface module of every platform boiler is divided into three row totally 12 modules, often row are 1-4 module vertical cartel and form, often row module gross weight is 563800kg, waste heat boiler physical dimension is 41.5m × 17m, and HP steam drum center line absolute altitude is about 39.2m.Chimney top absolute altitude is 65m, and diameter 5.91m, is arranged in furnace roof.Boiler steel frame is formed by H profile steel and Plate Welding, and both sides are totally 28 root posts (containing stair and elevator support).If hanging method conventionally completes the lifting construction of this module, long in time limit, cost is high.
Summary of the invention
The object of the invention is to change traditional hanging method, adopt single-row lifting, often arranged after change the hanging method that row mode instead of conventional multiple row Synchronous lifting, cost 70% is saved than traditional hanging method, the technical scheme adopted is: a kind of vertical exhaust-heat boiler module hoisting construction method, the method is for completing more than two row, being often classified as the lifting construction of 1-4 module, and step is:
I) preparation of construction;
II) lifting device is installed;
III) lifting of I-1 module:
III 1) I-1 module packing material is removed;
III 2) I-1 module is connected with lower anchor head base;
III 3) lifting of I-1 module;
IV) I-2 module and the docking of I-1 module, promote I-2 module;
V) step III is repeated) and IV), complete the lifting of the 1st all the other modules of row;
VI) lifting device changes row, repeats step III) and IV), complete the lifting of all the other row modules;
VII) remove lifting device and clear up job site.
Technical characteristic of the present invention also has: the step of described II) installing lifting device comprises:
II 1) line setting: the center line of releasing 8 suspension centres, surveys the sideline in place of marking bearing support according to the structural parameters of the bearing support of lifting device and the position of center line of suspension centre;
II 2) according to designing requirement, hydraulic lifting apparatus is in place, and ensures the suspension centre conllinear of lifting device, and the cable wire center of each suspension centre is by predetermined position, design centre; In advance by the leader height adjustment that casts anchor of lifting device to the height that can possess installation module suspension rod;
II 3) realize the connection of suspension rod and lower anchor head base by means of fork truck or lower anchor head base dropped to connection ground realizing suspension rod and lower anchor head base;
II 4) lifting device is used the least significant end of module suspension rod to be risen to 5m height.
Technical characteristic of the present invention also has: the step that described III 2) I-1 module is connected with lower anchor head base comprises:
I-1 module packing material is removed and cleaned out, and commander's transport vehicle enters Hoisting Position according to predetermined route, realizes docking of suspension rod and module boatswain chair by the lifting chassis and manipulation hydraulic lifting apparatus adjusting transport vehicle, and locking cable wire bus one by one;
Dismounting I-1 module is fixedly connected with part with bottom support frame;
I-1 module is connected with lower anchor head base.
Technical characteristic of the present invention also has: described III 3) step of the lifting of I-1 module comprises:
Node is all connected and rearward, one by one the cable wire of hydraulic jack can be tightened and reach synchronous condition;
The jack line of header before and after suspention permutation module and bottle gouard moved by hands are hung up properly;
One by one the dividing plate gap of module is tightened up with chain block, and spot welding is fixed;
Connection hanger between adjacent block is installed;
By module raises to about 5m.
Technical characteristic of the present invention also has: described IV) I-2 module and the docking of I-1 module, and the step promoting I-2 module comprises:
IV 1) transport vehicle is entered into Hoisting Position according to the route preset, realize I-2 module and the docking of I-1 module by the lifting chassis and manipulation hydraulic lifting apparatus adjusting transport vehicle;
IV 2) with the bottle gouard moved by hands stocked in advance and jack line, the front and back header bolt of I-2 module is tight and tighten up and mention;
IV 3) that removes I-2 module and bottom support frame is fixedly connected with part.
Technical characteristic of the present invention also has: the step that described VI) lifting device changes row comprises:
VI 1) elevator system translation gliding device is laid;
VI 2) adopt crawler crane and be in place according to the elevator system of designing requirement by a row module, ensure the suspension centre conllinear of all lifting devices, and S1 is departed from the cable wire center of each suspension centre and position, design centre, by the leader height adjustment that casts anchor to the height that can possess installation module suspension rod;
VI 3) realize the connection of suspension rod and lower anchor head base by means of fork truck, or lower anchor head base is dropped to connection ground realizing suspension rod and lower anchor head base;
VI 4) elevator system promotes, and makes the least significant end of module suspension rod reach about 5m.
Technical characteristic of the present invention also has: described columns is 3 row, often row 4 modules.
Technical characteristic of the present invention also has: the support of elevator system is four column truss structures.
Beneficial effect of the present invention is: 1) adopt and traditional hanging method difference apportion, block-by-block hanging method, save hanging device Meteorological; 2) Lao Xinge hydraulic lifting system is adopted to promote and in place, safe and reliable; 3) single-row hoisting module is adopted, easy to operate.
Accompanying drawing explanation
Accompanying drawing 1 is that the present invention lifts operational flowchart, and accompanying drawing 2 is that schematic diagram arranged by lifting device, and wherein 1 is hot beam, and 2 is pass crossbeam, and 3 is mast-ups, and 4 is modules, and 5 is hydraulic lifting apparatus.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described.This construction method for hanging adopts apportion, block-by-block hanging method carries out, and is provided with the lifting work that two covers (eight groups 100 tons) hydraulic lifting apparatus implements often row module altogether.Often row module is taked from top to bottom, block-by-block docking, upside-down mounting adult, disposable mode in place come; Ith row lift by crane in situ, IIth row are after the heart is lifted to height in place to the position of a stove left side (the 3rd row) direction displacement s1 wherein, it is in place to implement translation again, time in place, the absolute altitude of base is improved compensation rate h1, the upper gap principles and requirements between the dividing plate of the Ith row module and the IIth row module controls to arrange the IIth to exceed a than the Ith row; IIIth row are after the heart is lifted to height in place to the position of stove left direction displacement s2 wherein, it is in place to implement translation again, time in place, the absolute altitude of base are improved compensation rate h2; Every four groups of hydraulic lifting apparatus are combined into a translation unit, adopt two respectively and are not less than the hydraulic jack of 25 tons and are moved by translational stiffness beam carrying out horizontal, require that four jack synchronously carry out during translation.Displacement s1, s2 are that the clear space amount must arranged according to modular structure calculates, and compensation rate h1, h2, a calculate according to the configuration state parameter of hot beam and module.
This lifting mode construction technology step comprises:
I) preparation of construction:
I 1) module is installed and should be carried out after boiler steel frame installs acceptance(check), and carries out the examination of the level Four before module hoisting visa.
I 2) according to erecting by overhang layout drawing, hot beam should be numbered, be rule before installing, and on the hot beam of furnace roof, mark the numbering of centre of location line and corresponding mounting rail, to ensure that the installation site of suspension rod conforms to drawing requirement.
I 3) approach axis (transport vehicle is poured into) of transport vehicle is determined according to the physical condition at scene, to ensure that module enters smoothly and docks; Before the entrucking of heating surface module, the position should installed according to the requirement of traffic program and module, determines direction before entrucking.
I 4) approach course of module transportation vehicle and the checking of handling capacity.Do to implement the eve slinger, the route that must be marched into the arena by transport vehicle in advance and handling capacity are investigated, repair, are verified.Road conditions need meet following requirement:
Can not have barrier, pipe trench, basis etc. around transport routes, road surface should be backfilling and compacted;
Whole piece transport routes straightway width of roadway is not less than 8m, and inside turnaround section, radius of turn is not less than 15m;
Transport routes and pedrail crane Active workings need smooth solid, and the average bearing capacity of transport routes is greater than 105N/m
2, the average bearing capacity of pedrail crane Active workings is greater than 105N/m
2;
Furnace bottom module hoisting transport channel is laid two row thickness 12mm steel plates;
IIth row fill with the stove left half of the hot joist support seat at the IIIth row module suspension centre place is slow, install after module translation puts in place again;
Before module hoisting, in advance the backplate of boiler both sides to be hung to precalculated position temporarily, and by locking device, backplate is tightly locked on grate steel column; Carry out the rainproof safeguard measure of backplate;
The horizontal absolute altitude of 24 sling points is found accurately, and by adjusting parallels leveling, carrying out mark, accomplishes a little and parallels one_to_one corresponding; On the horizontal plane of finding accurately in advance, unification improves the parallels height of 2mm again.
II) lifting device is installed;
II 1) line setting: the center line of releasing 8 suspension centres, surveys the sideline in place of marking bearing support according to the structural parameters of the bearing support of lifting device and the position of center line of suspension centre;
II 2) according to designing requirement, hydraulic lifting apparatus is in place, and ensures the suspension centre conllinear of lifting device, and the cable wire center of each suspension centre is by predetermined position, design centre; In advance by the leader height adjustment that casts anchor of lifting device to the height that can possess installation module suspension rod;
II 3) realize the connection of suspension rod and lower anchor head base by means of fork truck or lower anchor head base dropped to connection ground realizing suspension rod and lower anchor head base;
II 4) lifting device is used the least significant end of module suspension rod to be risen to 5m height.
III) lifting of I-1 module:
III 1) I-1 module packing material is removed;
III 2) I-1 module is connected with lower anchor head base;
I-1 module packing material is removed and is cleaned out rear (fixing with iron wire between the three-ply board at top and module), commander's transport vehicle enters Hoisting Position according to predetermined route, docking of suspension rod and module boatswain chair is realized by the lifting chassis and manipulation hydraulic lifting apparatus that adjust transport vehicle, and lock according to the bus correspondence position of the feature cable wire controlled in advance one by one, to ensure that every root cable wire is all common bus in whole process hoists process;
Dismounting I-1 module is fixedly connected with part with bottom support frame.
III 2) step that I-1 module is connected with lower anchor head base comprises:
I-1 module packing material is removed and cleaned out, and commander's transport vehicle enters Hoisting Position according to predetermined route, realizes docking of suspension rod and module boatswain chair by the lifting chassis and manipulation hydraulic lifting apparatus adjusting transport vehicle, and locking cable wire bus one by one;
Dismounting I-1 module is fixedly connected with part with bottom support frame;
I-1 module is connected with lower anchor head base.
III 3) lifting of I-1 module;
III 3) step of the lifting of I-1 module comprises:
Node is all connected and rearward, one by one the cable wire of hydraulic jack can be tightened and reach synchronous condition;
The jack line of header before and after suspention permutation module and bottle gouard moved by hands are hung up properly;
One by one the dividing plate gap of module is tightened up with chain block, and spot welding is fixed;
Connection hanger between adjacent block is installed;
By module raises to about 5m.
IV) II-2 module and the docking of I-1 module, promote II-2 module;
First packing material is removed before docking;
IV 1) transport vehicle is entered into Hoisting Position according to the route preset, realize II-2 module and the docking of I-1 module by the lifting chassis and manipulation hydraulic lifting apparatus adjusting transport vehicle;
IV 2) with the bottle gouard moved by hands stocked in advance and jack line, the front and back header bolt of II-2 module is tight and tighten up and mention;
IV 3) that removes II-2 module and bottom support frame is fixedly connected with part.
V) step III is repeated) and IV), complete the lifting of the 1st all the other modules of row;
VI) lifting device changes row, repeats step III) and IV), complete the lifting of all the other row modules;
VI) step that lifting device changes row comprises:
VI 1) elevator system translation gliding device is laid;
VI 2) adopt crawler crane and be in place according to the elevator system of designing requirement by a row module, ensure the suspension centre conllinear of all lifting devices, and S1 is departed from the cable wire center of each suspension centre and position, design centre, by the leader height adjustment that casts anchor to the height that can possess installation module suspension rod;
VI 3) realize the connection of suspension rod and lower anchor head base by means of fork truck, or lower anchor head base is dropped to connection ground realizing suspension rod and lower anchor head base;
VI 4) elevator system promotes, and makes the least significant end of module suspension rod reach about 5m.
VII) remove lifting device and clear up job site.
In the present invention, the columns of embodiment is 3 row, often row 4 modules.
Claims (7)
1. a vertical exhaust-heat boiler module hoisting construction method, the method is for completing more than two row, being often classified as the lifting construction of 1-4 module, and step is:
I) preparation of construction;
II) lifting device is installed;
III) lifting of I-1 module:
III 1) I-1 module packing material is removed;
III 2) I-1 module is connected with lower anchor head base;
III 3) lifting of I-1 module;
IV) I-2 module and the docking of I-1 module, promote I-2 module;
V) step III is repeated) and IV), complete the lifting of the 1st all the other modules of row;
VI) lifting device changes row, repeats step III) and IV), complete the lifting of all the other row modules;
VII) remove lifting device and clear up job site;
Described II) step of installing lifting device comprises:
II 1) line setting: the center line of releasing 8 suspension centres, surveys the sideline in place of marking bearing support according to the structural parameters of the bearing support of lifting device and the position of center line of suspension centre;
II 2) according to designing requirement, hydraulic lifting apparatus is in place, and ensures the suspension centre conllinear of lifting device, and the cable wire center of each suspension centre is by predetermined position, design centre; In advance by the leader height adjustment that casts anchor of lifting device to the height that can possess installation module suspension rod;
II 3) realize the connection of suspension rod and lower anchor head base by means of fork truck or lower anchor head base dropped to connection ground realizing suspension rod and lower anchor head base;
II 4) lifting device is used the least significant end of module suspension rod to be risen to 5m height.
2. according to vertical exhaust-heat boiler module hoisting construction method according to claim 1, it is characterized in that: the step that described III 2) I-1 module is connected with lower anchor head base comprises:
I-1 module packing material is removed and cleaned out, and commander's transport vehicle enters Hoisting Position according to predetermined route, realizes docking of suspension rod and module boatswain chair by the lifting chassis and manipulation hydraulic lifting apparatus adjusting transport vehicle, and locking cable wire bus one by one;
Dismounting I-1 module is fixedly connected with part with bottom support frame;
I-1 module is connected with lower anchor head base.
3. according to vertical exhaust-heat boiler module hoisting construction method according to claim 1, it is characterized in that: described III 3) step of the lifting of I-1 module comprises:
Node is all connected and rearward, one by one the cable wire of hydraulic jack can be tightened and reach synchronous condition;
The jack line of header before and after suspention permutation module and bottle gouard moved by hands are hung up properly;
One by one the dividing plate gap of module is tightened up with chain block, and spot welding is fixed;
Connection hanger between adjacent block is installed;
By module raises to about 5m.
4. according to vertical exhaust-heat boiler module hoisting construction method according to claim 1, it is characterized in that: described IV) I-2 module and the docking of I-1 module, the step promoting I-2 module comprises:
IV 1) transport vehicle is entered into Hoisting Position according to the route preset, realize I-2 module and the docking of I-1 module by the lifting chassis and manipulation hydraulic lifting apparatus adjusting transport vehicle;
IV 2) with the bottle gouard moved by hands stocked in advance and jack line, the front and back header bolt of I-2 module is tight and tighten up and mention;
IV 3) that removes I-2 module and bottom support frame is fixedly connected with part.
5. according to vertical exhaust-heat boiler module hoisting construction method according to claim 1, it is characterized in that: the step that described VI) lifting device changes row comprises:
VI 1) elevator system translation gliding device is laid;
VI 2) adopt crawler crane and be in place according to the elevator system of designing requirement by a row module, ensure the suspension centre conllinear of all lifting devices, and S1 is departed from the cable wire center of each suspension centre and position, design centre, by the leader height adjustment that casts anchor to the height that can possess installation module suspension rod;
VI 3) realize the connection of suspension rod and lower anchor head base by means of fork truck, or lower anchor head base is dropped to connection ground realizing suspension rod and lower anchor head base;
VI 4) elevator system promotes, and makes the least significant end of module suspension rod reach about 5m.
6. according to vertical exhaust-heat boiler module hoisting construction method according to claim 1, it is characterized in that: described columns is 3 row, often row 4 modules.
7. according to vertical exhaust-heat boiler module hoisting construction method according to claim 1, it is characterized in that: the support of elevator system is four column truss structures.
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| CN201410220758.6A CN103939875B (en) | 2014-05-23 | 2014-05-23 | A kind of vertical exhaust-heat boiler module hoisting construction method |
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| CN103939875B true CN103939875B (en) | 2016-02-24 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105314537B (en) * | 2015-08-19 | 2017-01-25 | 中国能源建设集团天津电力建设有限公司 | Lifting alignment in-place method for boiler water storing tank |
| CN106322345A (en) * | 2016-08-17 | 2017-01-11 | 中国能源建设集团天津电力建设有限公司 | Installation technology of Pi-type boiler economizer pipe panels |
| CN109237457A (en) * | 2018-08-17 | 2019-01-18 | 上海二十冶建设有限公司 | A kind of segmentation installation method of waste heat boiler pure water tank |
| CN110817723A (en) * | 2019-11-15 | 2020-02-21 | 上海东鼎钢结构有限公司 | Method and device for installing heat exchanger of automobile test wind tunnel |
| CN111853736B (en) * | 2020-07-18 | 2021-06-04 | 四川华川基业建设集团有限公司 | Construction process for alkali furnace installation project |
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| JPH10253001A (en) * | 1997-03-14 | 1998-09-25 | Babcock Hitachi Kk | Waste heat recovery boiler |
| CN201842567U (en) * | 2010-04-22 | 2011-05-25 | 东方日立锅炉有限公司 | Lifting frame for modular tube panel of waste heat boiler |
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2014
- 2014-05-23 CN CN201410220758.6A patent/CN103939875B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10253001A (en) * | 1997-03-14 | 1998-09-25 | Babcock Hitachi Kk | Waste heat recovery boiler |
| CN201842567U (en) * | 2010-04-22 | 2011-05-25 | 东方日立锅炉有限公司 | Lifting frame for modular tube panel of waste heat boiler |
| CN103253591A (en) * | 2013-05-31 | 2013-08-21 | 无锡海源重工股份有限公司 | Hoisting tool for heating surface module tube panel components of combined cycle waste heat boiler |
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Address after: 266100 No. 882-1 Tong'an Road, Laoshan District, Qingdao City, Shandong Province Patentee after: Shandong Power Construction Third Engineering Co., Ltd. Address before: 266100 No. 882-1 Tong'an Road, Laoshan District, Qingdao City, Shandong Province Patentee before: Shangdong Electric Power Construction No.3 Engineering Co. |
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