CN108756441A - A kind of hydraulic lifting flipped device and its hanging method for reducing tower - Google Patents
A kind of hydraulic lifting flipped device and its hanging method for reducing tower Download PDFInfo
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- CN108756441A CN108756441A CN201810911274.4A CN201810911274A CN108756441A CN 108756441 A CN108756441 A CN 108756441A CN 201810911274 A CN201810911274 A CN 201810911274A CN 108756441 A CN108756441 A CN 108756441A
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- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000012856 packing Methods 0.000 claims abstract description 24
- 238000003466 welding Methods 0.000 claims description 24
- 239000003638 chemical reducing agent Substances 0.000 claims description 21
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 238000010521 absorption reaction Methods 0.000 description 27
- 229910000831 Steel Inorganic materials 0.000 description 17
- 239000010959 steel Substances 0.000 description 17
- 238000010276 construction Methods 0.000 description 15
- 238000009434 installation Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 229910000919 Air-hardening tool steel Inorganic materials 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 3
- 230000003014 reinforcing effect Effects 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
- 239000007787 solid Substances 0.000 description 2
- 230000008961 swelling Effects 0.000 description 2
- 241000272520 Aix galericulata Species 0.000 description 1
- 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
- 238000005259 measurement Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000013000 roll bending Methods 0.000 description 1
- 230000011218 segmentation Effects 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
- 230000001360 synchronised effect Effects 0.000 description 1
- 210000002435 tendon Anatomy 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/34—Arrangements for erecting or lowering towers, masts, poles, chimney stacks, or the like
- E04H12/344—Arrangements for lifting tower sections for placing additional sections under them
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- Engineering & Computer Science (AREA)
- Architecture (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 flipped devices and its hanging method for reducing tower, it includes tower foundation, there is bottom of tower plate on tower foundation, it is equipped with hydraulic station in the side of tower foundation, in bottom of tower, the top of plate is equipped with oil path distributor, it is equipped with several lifting devices on the periphery of oil path distributor, the hydraulic station is connect by oil pipe with oil path distributor, oil path distributor is connect by oil distributing pipe with lifting device, it is connected with packing in the side of lifting device, it is connected with siding on the outside of the packing, there is siding to be welded on the outside of siding.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 reducing tower more particularly to a kind of hydraulic lifting flipped devices and its lifting for reducing tower
Method belongs 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 flipped device for reducing tower and its lifting are provided
Method is installed using hydraulic lift flip-chip, is assembled on ground since tower top, is promoted after one section of assembling, then on ground
It assembles and saves, so recycle, easy to operate, easy to use, the above-mentioned problem of effective solution.
The technical scheme is that：A kind of hydraulic lifting flipped device for reducing tower, it includes tower foundation, in tower
On the basis of have bottom of tower plate, be equipped with hydraulic station in the side of tower foundation, the top of plate is equipped with oil path distributor in bottom of tower, in oil circuit point
The periphery of orchestration is equipped with several lifting devices, and the hydraulic station is connect by oil pipe with oil path distributor, and oil path distributor passes through
Oil distributing pipe is connect with lifting device, is connected with packing in the side of lifting device, siding, siding are connected on the outside of the packing
Outside have siding to be welded.
The lifting device is located at the top periphery of bottom of tower plate and is uniformly distributed along bottom of tower plate center.
The bottom end of the siding is equipped with several V-grooves, and V-groove is temporarily fixed on the plate of bottom of tower, between section siding up and down
Equipped with several temporary spacing plates.
The lifting device includes jack and column, and column is fixedly connected with below jack, and the column is circle
The bottom end of tubular hollow structure, column is fixed on the plate of bottom of tower, and the side of column is equipped with symmetrical two hounds, the diagonal brace
Bar one end is fixed on the plate of bottom of tower, and the other end is hinged on the upper outside of column by axis pin, and the lift lever bottom end of jack is solid
Surely it is connected with poppet, a vertical slotted hole is equipped on the side of column, support plate, the support are equipped in slotted hole
It is contacted with the bottom face of packing above the outside of plate, the inner end of support plate is fixedly connected with poppet.
The jack is feed-through hydraulic jack.
The poppet is cylindrical structure, the inner cavity clearance fit with column.
A kind of hanging method of hydraulic lifting flipped device for reducing tower, the method step are：One, pre-production
Bottom of tower plate reserves the hole that oil pipe passes through on the plate of bottom of tower；Two, oil path distributor is set at the middle part of bottom of tower plate, in tower foundation
Side fixed hydraulic station, on the plate of bottom of tower release different-diameter tower wall datum line；Three, tower body is positioned according to tower wall datum line
The position of topmost circle siding last, fixes lifting device, connected pipes and oil distributing pipe on the plate of bottom of tower；Four, tower is assembled
Body top circle siding last simultaneously welds, and then welds tower top and its attachment；Five, start hydraulic station, lifting device is allowed to be promoted
Tower body rises, and stops after reaching the siding height of a section, then group is positioned and welded to next section siding to be welded；Six, step is repeated
Five operation welds one section of vacation until reducer is first segmented prefabricated reducer before group is to reducer in the bottom of siding
Barrel welds reducer in the junction of false barrel and siding, and siding to be welded is welded in the bottom end of reducer, in reducer and to be welded
Weld horizontal support reinforcing between siding and false barrel is lower circle siding after the completion of siding welding to be welded, operates lifting device
False barrel is promoted, siding to be welded is assembled in the lower part of siding, after fixed, the major diameter pars infrasegmentalis of reducer will be moved to outside lifting device
It is fixed, remove false barrel and horizontally-supported；Seven, operation of the step 4 to step 6 is repeated, until tower wall welding is completed, removes tower
Interior equipment closes the hole reserved on the plate of bottom of tower, and reducing tower 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 A partial enlarged views of the present invention；
Fig. 3 is the tower body fixed structure schematic diagram of the present invention；
Fig. 4 is the lifting device layout drawing one of the present invention；
Fig. 5 is the lifting device layout drawing two of the present invention；
Fig. 6 is the reducer lifting 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 1~6, a kind of hydraulic lifting flipped device for reducing tower, it includes tower foundation
4, there is bottom of tower plate 3 on tower foundation 4, is equipped with hydraulic station 1 in the side of tower foundation 4, the top of plate 3 is distributed equipped with oil circuit in bottom of tower
Device 7 is equipped with several lifting devices 9 on the periphery of oil path distributor 7, and the hydraulic station 1 is connected by oil pipe 2 and oil path distributor 7
It connects, oil path distributor 7 is connect by oil distributing pipe 8 with lifting device 9, and packing 10 is connected in the side of lifting device 9, described swollen
The outside of circle 10 is connected with siding 6, and there is siding 5 to be welded in the outside of siding 6.
Further, lifting device 9 is located at the top periphery of bottom of tower plate 3 and is uniformly distributed along 3 center of bottom of tower plate.
Further, the bottom end of siding 6 is equipped with several V-grooves 11, and V-groove 11 is temporarily fixed on bottom of tower plate 3, upper and lower
It is equipped with several temporary spacing plates 12 between section siding 6.
Further, lifting device 9 includes jack 92 and column 95, and the lower section of jack 92 is fixedly connected with column
95, the column 95 is cylindrical hollow structure, and the bottom end of column 95 is fixed on bottom of tower plate 3, and the side of column 95 is equipped with pair
Two hounds 96 claimed, 96 one end of the hound are fixed on bottom of tower plate 3, and the other end is hinged on column 95 by axis pin 94
Upper outside, 93 bottom end of lift lever of jack 92 is fixedly connected with poppet 97, and one is equipped on the side of column 95
Vertical slotted hole 99, is equipped with support plate 98 in slotted hole 99, the bottom face above the outside of the support plate 98 with packing 10
Contact, the inner end of support plate 98 is fixedly connected with poppet 97.
Further, jack 92 is feed-through hydraulic jack.
Further, poppet 97 is cylindrical structure, the inner cavity clearance fit with column 95.
Further, a kind of hanging method of hydraulic lifting flipped device for reducing tower, the method step are：
One, pre-production bottom of tower plate 3 reserves the hole that oil pipe 2 passes through on bottom of tower plate 3；Two, oil circuit is set at the middle part of bottom of tower plate 3
Distributor 7 releases the tower wall datum line of different-diameter at the side fixed hydraulic station 1 of tower foundation 4 on bottom of tower plate 3；Three, according to
According to the position of tower wall datum line positioning tower body topmost circle siding 6 last, lifting device 9 is fixed on bottom of tower plate 3, is connected
Oil pipe 2 and oil distributing pipe 8；Four, it assembles tower body top circle siding 6 last and welds, then weld tower top and its attachment；Five,
Start hydraulic station 1, allow lifting device 9 to promote tower body and rise, stop after reaching 6 height of siding of a section, then group waits for next section
Weldering siding 5 is positioned and is welded；Six, the operation of step 5 is repeated, until reducer 30, before group is to reducer 30, first segmentation is pre-
Reducer 30 is made, one section of false barrel 13 is welded in the bottom of siding 6, reducing is welded in the junction of false barrel 13 and siding 6
Siding 5 to be welded is welded in the bottom end of section 30, reducer 30, the weld horizontal between reducer 30 and siding to be welded 5 and false barrel 13
Support 14 is reinforced, and is lower circle siding 6 after the completion of the welding of siding 5 to be welded, operation lifting device 9 promotes false barrel 13, in siding 6
Lower part assemble siding 5 to be welded, after fixed, the major diameter pars infrasegmentalis that reducer 30 is moved to outside lifting device 9 is fixed, removes false cylinder
Wall 13 and horizontally-supported 14；Seven, operation of the step 4 to step 6 is repeated, until the welding of tower wall 6 is completed, removes equipment in tower,
The hole closing that will be reserved on bottom of tower plate 3, reducing tower install.
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：It is divided to two sections by the shaped steel for being rolled into consistent with lonely type in absorption tower, passes through screw jack swelling
On absorbing inner wall of tower（Mainly it is the fulcrum promoted）, can reduce absorption tower deformation but also improve absorption tower rigidity it is strong
Degree 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
It cuts, is sealed in adjacent section, port is sealed after cutting down one section, and centre can place 30 tons of screw jack, two-section packing
Place two 30 tons of screw jack.Screw jack top is swollen packing two end surfaces, make packing swelling in absorption tower
On 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, is in
Square shape increases the intensity of packing.
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.
Stage casing reducing part is that absorption tower jacks maximum construction Difficulties, is taken measures as follows：1., reducing it is pre-formed after
It is divided into 6-8 equal portions and is hoisted to absorption tower periphery, does not influence on-site construction operations.2. false cylinder installation inner wall of tower uses overlap welding, separately
Tower wall and false cylinder are stood to reinforcing with channel steel and Steel vertical plate, securing plate twin fillet wolt is full weld, and fillet weld size is not small
In the 0.8 of mother metal thickness coefficient.Two layers of false cylinder bottom uses butt welding, group to require unanimously, to weld inside and outside using to quality and tower body
Mandarin duck welds spacing and is no more than 300mm.After 3. outer straight tube is assembled to height installation jacking stake after completion outer wall reducing, layering dismounting is false
Cylinder is removed and moves to tower wall plate progress positioning welding post-reinforcing outside jacking stake.
False barrel thickness is：Two layers of 14mm installs a diameter of 14800mm, is 2000mm per layer height, by absorption tower according to figure
After paper is improved to greater than jacking stake height, all hydraulic is jacked into valve Close All, to ensure that it is vertical interim hard that safety increases
Support carries out temperature pier.
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.
The lifting diagram of false barrel is as shown in Figure 6.
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 4,5.
Group welds absorption tower siding after false barrel is jacked to precalculated position, and when absorption tower, siding straight tube reaches 4 meters of height
Afterwards, siding welding in absorption tower completes stress on bottom plate, removes false cylinder and jacking stake is displaced to below the reducing of absorption tower in straight tube
Wall simultaneously carries out reinforcement measure, absorption tower（Φ13000/Φ14800）Orientation distance is all made of 16 jacking stakes（Peak load jacks
320T）, absorption tower（Φ19000）Orientation distance is all made of 24 jacking stakes（Peak load jacks 480T）.
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 3）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 (7)
1. a kind of hydraulic lifting flipped device for reducing tower, it includes tower foundation（4）, in tower foundation（4）On have bottom of tower plate
（3）, it is characterised in that：In tower foundation（4）Side be equipped with hydraulic station（1）, in bottom of tower plate（3）Top be equipped with oil path distributor
（7）, in oil path distributor（7）Periphery be equipped with several lifting devices（9）, the hydraulic station（1）Pass through oil pipe（2）With oil circuit point
Orchestration（7）Connection, oil path distributor（7）Pass through oil distributing pipe（8）With lifting device（9）Connection, in lifting device（9）Side connect
It is connected to packing（10）, the packing（10）Outside be connected with siding（6）, siding（6）Outside have siding to be welded（5）.
2. a kind of hydraulic lifting flipped device for reducing tower according to claim 1, it is characterised in that：The promotion
Device（9）Positioned at bottom of tower plate（3）Top periphery and along bottom of tower plate（3）Center is uniformly distributed.
3. a kind of hydraulic lifting flipped device for reducing tower according to claim 1, it is characterised in that：The siding
（6）Bottom end be equipped with several V-grooves（11）, V-groove（11）It is temporarily fixed on bottom of tower plate（3）On, in section siding up and down（6）Between
Equipped with several temporary spacing plates（12）.
4. a kind of hydraulic lifting flipped device for reducing tower according to claim 1 or 2, it is characterised in that：It is described
Lifting device（9）Including jack（92）And column（95）, jack（92）Lower section be fixedly connected with column（95）, described vertical
Column（95）For cylindrical hollow structure, column（95）Bottom end be fixed on bottom of tower plate（3）On, column（95）Side be equipped with it is 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（95）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）'s
Outside top and packing（10）Bottom face contact, support plate（98）Inner end and poppet（97）It is fixedly connected.
5. a kind of hydraulic lifting flipped device for reducing tower according to claim 4, it is characterised in that：It is described very heavy
Top（92）For feed-through hydraulic jack.
6. a kind of hydraulic lifting flipped device for reducing tower according to claim 4, it is characterised in that：The promotion
Head（97）For cylindrical structure, with column（95）Inner cavity clearance fit.
7. a kind of hanging method of hydraulic lifting flipped device for reducing tower according to claim 1,2 or 3, special
Sign is：The method step is：One, pre-production bottom of tower plate（3）, in bottom of tower plate（3）Upper reserved oil pipe（2）The hole passed through
Hole；Two, in bottom of tower plate（3）Middle part be arranged oil path distributor（7）, in tower foundation（4）Side fixed hydraulic station（1）, in tower
Bottom plate（3）The upper tower wall datum line for releasing different-diameter；Three, tower body topmost circle wall last is positioned according to tower wall datum line
Plate（6）Position, in bottom of tower plate（3）Upper fixed lifting device（9）, connected pipes（2）And oil distributing pipe（8）；Four, assembling tower body top
Portion's circle siding last（6）And weld, then weld tower top and its attachment；Five, start hydraulic station（1）, allow lifting device（9）
It promotes tower body to rise, reaches 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, the operation of step 5 is repeated, until reducer（30）, in group to reducer（30）Before, first it is segmented prefabricated reducer（30）,
In siding（6）Bottom weld one section of false barrel（13）, in false barrel（13）With siding（6）Junction weld reducer
（30）, reducer（30）Bottom end weld siding to be welded（5）, in reducer（30）With siding to be welded（5）With false barrel（13）It
Between weld horizontal support（14）Reinforce, siding to be welded（5）It is lower circle siding after the completion of welding（6）, operate lifting device（9）It carries
Rise false barrel（13）, in siding（6）Lower part assemble siding to be welded（5）, after fixation, by lifting device（9）Move to reducer outside
（30）Major diameter pars infrasegmentalis fix, remove false barrel（13）With it is horizontally-supported（14）；Seven, step 4 is repeated to the behaviour of step 6
Make, until tower wall（6）Welding is completed, and equipment in tower is removed, by bottom of tower plate（3）Upper reserved hole closing, reducing tower install.
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| CN201810911274.4A CN108756441A (en) | 2018-08-11 | 2018-08-11 | A kind of hydraulic lifting flipped device and its hanging method for reducing tower |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810911274.4A CN108756441A (en) | 2018-08-11 | 2018-08-11 | A kind of hydraulic lifting flipped device and its hanging method for reducing tower |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109987555A (en) * | 2019-03-15 | 2019-07-09 | 中国电建集团江西省电力建设有限公司 | The construction method of pneumatic enhanced demister |
| CN110847691A (en) * | 2019-11-30 | 2020-02-28 | 任自放 | Mounting structure and mounting method of high-rise tower mast structure |
| CN111039219A (en) * | 2019-08-30 | 2020-04-21 | 迪尔集团有限公司 | Hydraulic jacking and upside-down mounting method and device for reducer section of desulfurizing 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 |
| CN114939289A (en) * | 2022-06-01 | 2022-08-26 | 中国化学工程第十四建设有限公司 | Inverted installation method of filter press for press filtration production |
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| 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 |
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| CN114939289B (en) * | 2022-06-01 | 2023-12-19 | 中国化学工程第十四建设有限公司 | Flip-chip mounting method of filter press for squeezing and filtering production |
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Application publication date: 20181106 |