CN108775081A - A kind of hydraulic lifting inverted structure and its application method - Google Patents
A kind of hydraulic lifting inverted structure and its application method Download PDFInfo
- Publication number
- CN108775081A CN108775081A CN201810910496.4A CN201810910496A CN108775081A CN 108775081 A CN108775081 A CN 108775081A CN 201810910496 A CN201810910496 A CN 201810910496A CN 108775081 A CN108775081 A CN 108775081A
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- Prior art keywords
- tower
- plate
- column
- siding
- hydraulic lifting
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Links
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000012856 packing Methods 0.000 claims abstract description 20
- 238000003466 welding Methods 0.000 claims description 18
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 230000000630 rising effect Effects 0.000 claims description 3
- 238000004080 punching Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 4
- 238000010521 absorption reaction Methods 0.000 description 18
- 229910000831 Steel Inorganic materials 0.000 description 15
- 239000010959 steel Substances 0.000 description 15
- 238000010276 construction Methods 0.000 description 14
- 238000009434 installation Methods 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 4
- 229910000919 Air-hardening tool steel Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 235000019738 Limestone Nutrition 0.000 description 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000013000 roll bending Methods 0.000 description 1
- 238000007778 shielded metal arc welding Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 210000002435 tendon Anatomy 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/35—Extraordinary methods of construction, e.g. lift-slab, jack-block
- E04B1/3522—Extraordinary methods of construction, e.g. lift-slab, jack-block characterised by raising a structure and then adding structural elements under it
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/35—Extraordinary methods of construction, e.g. lift-slab, jack-block
- E04B2001/3588—Extraordinary methods of construction, e.g. lift-slab, jack-block using special lifting or handling devices, e.g. gantries, overhead conveying rails
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses a kind of hydraulic lifting inverted structure and its application methods, it includes jack and bottom of tower plate, it is fixedly connected with column below the jack, the column is cylindrical hollow structure, the bottom end of column is fixed on the plate of bottom of tower, the side of column is equipped with symmetrical two hounds, described hound one end is fixed on the plate of bottom of tower, the other end is hinged on the upper outside of column by axis pin, the lift lever bottom end of jack is fixedly connected with poppet, a vertical slotted hole is equipped on the side of column, support plate is equipped in slotted hole, it is contacted with the bottom face of packing above the outside of the support plate, the inner end of support plate is fixedly connected with poppet.It is installed using hydraulic lift flip-chip, is assembled on ground since tower top, promoted after one section of assembling, then assemble on ground and save, so recycled, it is easy to operate, it is easy to use, achieve good using effect.
Description
Technical field
The present invention relates to a kind of hydraulic device more particularly to a kind of hydraulic lifting inverted structure and its application methods, belong to
Tower technical field.
Background technology
Tower is widely used in the industrial processes such as chemical industry, papermaking, since tower is generally relatively large in diameter, height
It is higher, it is typically all now the fabrication and installation by the way of the assembling of fragment at the scene at present, the problem is that crane uses machine-team
Amount is big, and installation cost is higher, and there are working at height, more demanding to the operation of welding, needs to set up shelf, shelf amount compares
Greatly, the cost for considerably increasing construction extends the installation period, while improving difficulty of construction, this is that scene needs to solve
Certainly the problem of.
Invention content
The technical problem to be solved by the present invention is to:A kind of hydraulic lifting inverted structure and its application method are provided, using liquid
A liter upside-down method of hull-section construction of bearing down on one is installed, and is assembled on ground since tower top, is promoted after one section of assembling, then assemble on ground and save,
So cycle, easy to operate, easy to use, the above-mentioned problem of effective solution.
The technical scheme is that:A kind of hydraulic lifting inverted structure, it includes jack and bottom of tower plate, described very heavy
Column is fixedly connected with below top, the column is cylindrical hollow structure, and the bottom end of column is fixed on the plate of bottom of tower, column
Side be equipped with symmetrical two hounds, described hound one end is fixed on the plate of bottom of tower, and the other end is hinged on by axis pin
The lift lever bottom end of the upper outside of column, jack is fixedly connected with poppet, and one is equipped on the side of column vertically
Slotted hole, support plate is equipped in slotted hole, is contacted with the bottom face of packing above the outside of the support plate, support plate it is interior
Side is fixedly connected with poppet.
It is connected with siding on the outside of the packing, is equipped with several V-groove plates in the bottom end of siding, V-groove plate is fixed temporarily
In on the plate of bottom of tower, several temporary spacing plates are equipped between section siding up and down.
The jack is feed-through hydraulic jack.
The poppet is cylindrical structure, the inner cavity clearance fit with column.
A kind of application method of hydraulic lifting inverted structure, the method step are:One, pre-production bottom of tower plate;Two, exist
The tower wall datum line of different-diameter is released on the plate of bottom of tower;Three, tower body topmost circle wall last is positioned according to tower wall datum line
The position of plate, surrounding fixes several hydraulic lifting inverted structures on the plate of bottom of tower;Four, circle siding last at the top of assembling tower body
And weld, then weld tower top and its attachment;Five, start hydraulic lifting inverted structure and promote tower body rising, reach the wall of a section
Stop after plate height, then group is positioned and welded to next section siding to be welded;Six, the operation of step 5 is repeated, until tower wall is whole
Welding is completed, and equipment and other accessories in tower are removed, and the siding of the bottom and bottom of tower plate are welded, and tower body installs.
The beneficial effects of the invention are as follows:Compared with prior art, technical solution using the present invention, is fallen using hydraulic lifting
Dress method is installed, and is assembled on ground since tower top, is promoted after one section of assembling, then assemble on ground and save, is so recycled,
Easy to operate, easy to use, upside-down method of hull-section construction can reduce working at height, and safety is good;Use and the foot hand of large-scale crane are reduced simultaneously
Taking for frame is torn open, and construction cost is reduced;In addition it can improve welding surroundings, advantageously ensure that construction quality.Using hydraulic lifting work
Skill is promoted steady, and securely and reliably, no working at height can be with all-weather construction, and noiseless, flying dust when construction, operating environment is good,
Be conducive to construction quality height, the construction period is short.Its process characteristic is as follows:Hydraulic lifting gradually carries out upside-down mounting, reduces working at height
And scaffolding.Equipment is shaped, and can be used in turn, can be combined by container flexible in size, and procedure arrangement is more reasonable, jacks process
It not by time restriction, can preferably ensure the duration, achieve good using effect.
Description of the drawings
Fig. 1 is the structural diagram of the present invention;
Fig. 2 is the floor plan one of the present invention;
Fig. 3 is the floor plan two of the present invention;
Fig. 4 is the tower body fixed structure schematic diagram of the present invention.
Specific implementation mode
To make the object, technical solutions and advantages of the present invention clearer, below with reference to this specification attached drawing to this hair
It is bright to be described in further detail.
Embodiment 1:As shown in attached drawing 1~4, a kind of hydraulic lifting inverted structure, it includes jack 92 and bottom of tower plate 3,
The lower section of the jack 92 is fixedly connected with column 95, and the column 95 is cylindrical hollow structure, and the bottom end of column 95 is solid
It is scheduled on bottom of tower plate 3, the side of column 95 is equipped with symmetrical two hounds 96, and 96 one end of the hound is fixed on bottom of tower plate
On 3, the other end is hinged on the upper outside of column 93 by axis pin 94, and 93 bottom end of lift lever of jack 92, which is fixedly connected with, to be carried
Lifting head 97 is equipped with a vertical slotted hole 99 on the side of column 95, support plate 98, the support is equipped in slotted hole 99
It is contacted with the bottom face of packing 10 above the outside of plate 98, the inner end of support plate 98 is fixedly connected with poppet 97.
Further, the outside of packing 10 is connected with siding 6, and several V-groove plate plates 11, V-type are equipped in the bottom end of siding 6
Frid plate 11 is temporarily fixed on bottom of tower plate 3, and several temporary spacing plates 12 are equipped between section siding 6 up and down.
Further, jack 92 is feed-through hydraulic jack.
Further, poppet 97 is cylindrical structure, the inner cavity clearance fit with column 92.
A kind of application method of hydraulic lifting inverted structure, the method step are:One, pre-production bottom of tower plate 3;Two,
The tower wall datum line of different-diameter is released on bottom of tower plate 3;Three, tower body topmost circle last is positioned according to tower wall datum line
The position of siding, surrounding fixes several hydraulic lifting inverted structures on bottom of tower plate 3;Four, circle last at the top of assembling tower body
Siding 6 simultaneously welds, and then welds tower top and its attachment;Five, start hydraulic lifting inverted structure and promote tower body rising, reach a section
6 height of siding after stop, then group is positioned and is welded to next section siding 5 to be welded;Six, the operation of step 5 is repeated, until tower
Wall all complete by welding, removes equipment and other accessories in tower, the siding 6 of the bottom is welded with bottom of tower plate 6, tower body peace
It installs complete.
In the present embodiment, which is built de- using lime stone, gypsum wet sulfur removal technology according to one tower mode of a stove
Sulphur facility, absorption tower are maximum, most important non-standard equipment, construction Difficulties in entire flue gas desulfurization equipment:Welding deformation, it is existing
The place of field assembling is limited, and cross-operation is more, this engineering is 1 total, and the quasi- hydraulic lift flip-chip of adopting new technology in scene carries out
Group is mainly synchronized using shielded metal arc welding process construction tower body and platform railing and is carried out to fabrication and installation, welding.
Absorption tower important technological parameters are as follows:
Absorption tower makes, installation processing is completed in 0 meter of layer, including roll bending, derusting, group to, welding, platform and railing installation plus
Strengthening tendons welding, packing processing welding etc., avoid working at height, are constructing in operating process, are having very high safety, improve
Construction efficiency.
The effect of packing 10:The shaped steel consistent with lonely type in absorption tower will be rolled into and be divided to two sections, it is swollen by screw jack
Tightly on absorbing inner wall of tower(Mainly it is the fulcrum promoted), the deformation on absorption tower can be reduced but also improve the rigidity on absorption tower
Intensity is convenient for the welding and promotion of next band plate, packing to use 280 millimeters of channel steel roll forming.Opening rolls inwardly, is divided into
Two-section seals in adjacent section, and port is sealed after cutting down one section, and centre can place 30 tons of screw jack, and two-section is swollen
Circle places two 30 tons of screw jack.Screw jack top is swollen packing two end surfaces, make packing swelling on absorption tower
On inner wall, to increase the concentricity and stiffness on absorption tower, convenient for promoting installation.It is sealed simultaneously with steel plate in the opening of channel steel,
Increase the intensity of packing in square shape.
Absorption tower is promoted using 24 SQD-200-100S.F type pine cassette hydraulic jacks.This jack has double card guarantor
Danger can guarantee that promoting object will not drop unexpected power-off or oil pipe break, and safety coefficient is high, and synchronism is good.Lift lever
It climbs upwards along stake is promoted, stability is good.Separate unit jack maximum lift weight is 20 tons, 24 jack maximum lifts 480
Ton, is 1.5 times of absorption tower weight or more, reaches the safety coefficient of hydraulic pressure lift.Hydraulic jack is mounted on 0 meter of absorption tower
On ground, is promoted and installed using upside-down method of hull-section construction.One section of a section installation is promoted, is promoted with after upper weld, is promoted successively again, until complete
At the promotion installation of 43 meters of height.
The making and effect of door shape steel card, door shape steel card are for fixing packing and increasing packing intensity.It encloses swollen
Circle is welded with inner wall of tower is absorbed, for fixing packing, with the intensity for increasing piston ring suspension centre after absorption inner wall of tower welding.It can prevent simultaneously
It only rolls and deforms when piston ring lifting.The making of door shape steel card:Door shape steel card is cut using 16mm-20mm steel plates and is made.Door shape
The opening of steel card can be just buckled on packing, and the outer width of frame of door shape steel card is 100mm.Opening size according to the size of packing come
It formulates, the quantity of door shape steel card increases with the increase face of absorption tower weight, while increasing packing and the integral strength on absorption tower, prevents
Only absorption tower is set to deform because of the increase of weight in lifting process.Before coaming plate inner wall circumference solid point steel plate is pressed in ring flat-plate upper edge tower
The block of 80mm*150mm, the positioning datum as siding assembling.The often assembling with siding, trepanning, the positioning of clip must
Using 0 ° on margin plate/90 °/180 °/270 ° of datum mark as datum mark, the welding of welding sequence siding, first weldering is outer, rear to weld
Interior, first longitudinal joint, rear circumferential weld, girth welding to be evenly distributed with and backstep in the same direction, before often band siding is promoted, should all improve with
The relevant component welding of siding, polishing, detection work.
This engineering tower body is installed using hydraulic lift flip-chip, i.e., on the basis of being laid on bottom of tower ring flat-plate and uses fixture
It is fixed, tower wall datum line is then released on bottom plate, is added according to tower wall datum line assembling tower body topmost circle siding last
After packing and weld, with squab panel reinforcing rib and its Accessory Members, exit constriction section cone and outlet(discharge) flange, and complete welding,
Work is examined in polishing.
The absolute altitude on progress absorption tower, verticality, concentricity are corrected, it is ensured that measurement data removes in acceptability limit
Jacking stake to the positions inner cylinder 19000mm carry out jacking stake positioning and reinforcement measure.
Jacking apparatus is installed and reinforcement measure use is carried out to jacking stake(180 meters of channel steel [ 10,240 meters of angle steel 50*5), respectively
Top lifting height must satisfy requirement and set limiting plate, secondary to jacking apparatus heavy burden trial operation, can come into operation after qualified.
It jacks shown in stake layout drawing 2,3.
Absorption tower mounting height is more than and will add after ten meters to pull air hardening steel cord 21 and fix in tower body surrounding after jacking in place, anti-
Only strong wind causes absorption tower to tilt,(See schematic diagram 4)Successively jacking is finished up to tower body all assembles successively in the same way.It pulls
Air hardening steel cord 21 is fixed in the surrounding fixed buildings 20 of tower body, is pulled air hardening steel cord 21 and is uniformly distributed along tower body surrounding.
Place is not described in detail by the present invention, is the known technology of those skilled in the art of the present technique.Finally illustrate, the above reality
Apply that example is merely illustrative of the technical solution of the present invention and unrestricted, although having been carried out specifically to the present invention with reference to preferred embodiment
It is bright, it will be understood by those of ordinary skill in the art that, technical scheme of the present invention can be modified or replaced equivalently, and
The objective and range for not departing from technical solution of the present invention, are intended to be within the scope of the claims of the invention.
Claims (5)
1. a kind of hydraulic lifting inverted structure, it includes jack(92)With bottom of tower plate(3), it is characterised in that:The jack
(92)Lower section be fixedly connected with column(95), the column(95)For cylindrical hollow structure, column(95)Bottom end fix
In bottom of tower plate(3)On, column(95)Side be equipped with symmetrical two hounds(96), the hound(96)One end is fixed on
Bottom of tower plate(3)On, the other end passes through axis pin(94)It is hinged on column(93)Upper outside, jack(92)Lift lever(93)
Bottom end is fixedly connected with poppet(97), in column(95)Side be equipped with a vertical slotted hole(99), slotted hole
(99)In be equipped with support plate(98), the support plate(98)Outside above and packing(10)Bottom face contact, support plate
(98)Inner end and poppet(97)It is fixedly connected.
2. a kind of hydraulic lifting inverted structure according to claim 1, it is characterised in that:The packing(10)Outside connect
It is connected to siding(6), in siding(6)Bottom end be equipped with several V-groove plates(11), V-groove plate(11)It is temporarily fixed on bottom of tower plate(3)
On, in section siding up and down(6)Between be equipped with several temporary spacing plates(12).
3. a kind of hydraulic lifting inverted structure according to claim 1, it is characterised in that:The jack(92)For punching
Formula hydraulic jack.
4. a kind of hydraulic lifting inverted structure according to claim 1, it is characterised in that:The poppet(97)For cylinder
Shape structure, with column(92)Inner cavity clearance fit.
5. according to a kind of application method of hydraulic lifting inverted structure of Claims 1 to 4 any one of them, it is characterised in that:
The method step is:One, pre-production bottom of tower plate(3);Two, in bottom of tower plate(3)The upper tower wall datum line for releasing different-diameter;
Three, the position according to tower wall datum line positioning tower body topmost circle siding last, in bottom of tower plate(3)Upper surrounding is fixed several
Hydraulic lifting inverted structure;Four, circle siding last at the top of assembling tower body(6)And weld, then weld tower top and its attachment;
Five, start hydraulic lifting inverted structure and promote tower body rising, reach the siding of a section(6)Stop after height, then group is to next section
Siding to be welded(5)It positions and welds;Six, repeat step 5 operation, until tower wall all welding complete, remove tower in equipment and
Other accessories, by the siding of the bottom(6)With bottom of tower plate(6)Welding, tower body install.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810910496.4A CN108775081A (en) | 2018-08-11 | 2018-08-11 | A kind of hydraulic lifting inverted structure and its application method |
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CN201810910496.4A CN108775081A (en) | 2018-08-11 | 2018-08-11 | A kind of hydraulic lifting inverted structure and its application method |
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Publication Number | Publication Date |
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CN108775081A true CN108775081A (en) | 2018-11-09 |
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ID=64029289
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CN201810910496.4A Pending CN108775081A (en) | 2018-08-11 | 2018-08-11 | A kind of hydraulic lifting inverted structure and its application method |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110170236A (en) * | 2019-06-21 | 2019-08-27 | 杭州路成环保科技有限公司 | A kind of spray absorber and its construction method |
CN110847691A (en) * | 2019-11-30 | 2020-02-28 | 任自放 | Mounting structure and mounting method of high-rise tower mast structure |
CN113233366A (en) * | 2021-04-25 | 2021-08-10 | 华能秦煤瑞金发电有限责任公司 | Connecting device is strengthened in construction of reducing tower |
CN113247815A (en) * | 2021-06-10 | 2021-08-13 | 四川君和环保股份有限公司 | Hydraulic jacking and inverting method |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015021693A1 (en) * | 2013-08-14 | 2015-02-19 | 中国十七冶集团有限公司 | Method of constructing steel chimney cylinder by upside-down mounting |
CN105776067A (en) * | 2016-05-25 | 2016-07-20 | 中国能源建设集团湖南火电建设有限公司 | Lifting device and inverted installing method for reducing absorption tower |
CN208685808U (en) * | 2018-08-11 | 2019-04-02 | 中国电建集团贵州电力设计研究院有限公司 | A kind of hydraulic lifting inverted structure |
-
2018
- 2018-08-11 CN CN201810910496.4A patent/CN108775081A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015021693A1 (en) * | 2013-08-14 | 2015-02-19 | 中国十七冶集团有限公司 | Method of constructing steel chimney cylinder by upside-down mounting |
CN105776067A (en) * | 2016-05-25 | 2016-07-20 | 中国能源建设集团湖南火电建设有限公司 | Lifting device and inverted installing method for reducing absorption tower |
CN208685808U (en) * | 2018-08-11 | 2019-04-02 | 中国电建集团贵州电力设计研究院有限公司 | A kind of hydraulic lifting inverted structure |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110170236A (en) * | 2019-06-21 | 2019-08-27 | 杭州路成环保科技有限公司 | A kind of spray absorber and its construction method |
CN110170236B (en) * | 2019-06-21 | 2022-02-11 | 杭州路成环保科技有限公司 | Spray absorption tower and construction method thereof |
CN110847691A (en) * | 2019-11-30 | 2020-02-28 | 任自放 | Mounting structure and mounting method of high-rise tower mast structure |
CN110847691B (en) * | 2019-11-30 | 2021-07-02 | 任自放 | Mounting structure and mounting method of high-rise tower mast structure |
CN113233366A (en) * | 2021-04-25 | 2021-08-10 | 华能秦煤瑞金发电有限责任公司 | Connecting device is strengthened in construction of reducing tower |
CN113233366B (en) * | 2021-04-25 | 2022-08-26 | 华能秦煤瑞金发电有限责任公司 | Connecting device is strengthened in construction of reducing tower |
CN113247815A (en) * | 2021-06-10 | 2021-08-13 | 四川君和环保股份有限公司 | Hydraulic jacking and inverting method |
CN113247815B (en) * | 2021-06-10 | 2021-10-01 | 四川君和环保股份有限公司 | Hydraulic jacking and inverting method |
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Application publication date: 20181109 |