CN102900948A - Vertical lifting type butting construction method for air-jacking upside-down mounting of air cabinet - Google Patents
Vertical lifting type butting construction method for air-jacking upside-down mounting of air cabinet Download PDFInfo
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- CN102900948A CN102900948A CN2012103807333A CN201210380733A CN102900948A CN 102900948 A CN102900948 A CN 102900948A CN 2012103807333 A CN2012103807333 A CN 2012103807333A CN 201210380733 A CN201210380733 A CN 201210380733A CN 102900948 A CN102900948 A CN 102900948A
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Abstract
The invention discloses a vertical lifting type butting construction method for the air-jacking upside-down mounting of an air cabinet. According to the method, an air blower is adopted to pressurize and jack, a top cover of a bell jar is extended to a water tank, the wall of the water tank is subjected to air-jacking upside-down mounting firstly, and the wall of the bell jar is finally subjected to the air-jacking upside-down mounting. In order to facilitate construction, after guide rails in the water tank are mounted, a lowest wall plate of the water tank is dismounted, thereby creating a space for the assembly construction operation of wall plates of the bell jar. According to the method, the assembly lifting is carried out by adopting the centrifugal blower, so that the equipment investment is small; and the construction operation and the like are carried out on the ground, so that the work is high in efficiency and is safe and reliable, and the construction quality is ensured.
Description
Technical field
The invention belongs to gas holder mounting technique field, relate to a kind of installation of vertical lifting gas holder, especially a kind of vertical lifting gas holder air-rise upside-down docking method of construction.
Background technique
At present, the vertical lifting Measure for Air Tank Construction is all carried out " metal weldedstructure wet gasholder construction inspection rules " HGJ212-83 on the market.This standard 5.1.1 bar regulation " upside-down mounting or upright method of hull section construction construction are adopted in the assembling of bell jar, middle joint and tank ".
" upside-down method of hull-section construction is to be begun outwards to install section by section by bell jar, assembles at last flume wall ..., convenient for constructing operation, bell jar and middle joint should be promoted to the height that is suitable for welding behind guide rails assembling, reset after the flume wall installation again ".
" upright method of hull section construction is to be begun to install inwards section by section by the assembly welding flume wall, assembles at last bell jar ".
Require in the current specifications: upside-down method of hull-section construction is assembled first bell jar, assembles at last flume wall; The upside-down construction lifting means extensively adopts group pole or hydraulic lifting device in the prior art, and equipment investment is large; For the constructing operation convenience, after current specifications requires the bell jar assembling to finish, be promoted to the height that is suitable for welding, and can reset after being retained to tank and having assembled, thereby strengthened the facility input, also increased security risk, lifting process middle bell jar vault is out of shape easily in addition, easily causes mass defect.
The upright method of hull section construction that adopts in the market will be set up the assembling operation platform, and crane lifting is adopted in the steel plate assembling, and same facility input amount is very large, and is high-lift operation all, has increased security risk; In addition, the bell jar assembling space is narrow and small, and construction environment is poor, and task difficulty is large.
Summary of the invention
The object of the invention is to overcome the shortcoming of above-mentioned prior art, a kind of vertical lifting gas holder air-rise upside-down docking method of construction is provided; The method adopts the air-rise upside-down form of construction work, and the bell jar vault is extended to tank, with a blower pressurization jacking; Assemble first flume wall, assemble at last bell jar wall, bell jar also adopts the air-rise upside-down form of construction work.This method of construction equipment, measure materials drop into seldom, and construction operation etc. all carry out on ground, and work efficiency is high, labor intensity is low, safe and reliable, has guaranteed construction quality.
The objective of the invention is to solve by the following technical programs:
This vertical lifting gas holder air-rise upside-down docking method of construction may further comprise the steps:
1) bell jar of gas bell arch top cover, bell jar is gone up after the assembling of band wallboard finishes with the tank of wallboard and tank on most, adopt steel to support with the top between the tank body of wallboard with wallboard and bell jar on tank and be fixedly connected with, steel supports top and seals with ring sealing plate; Make the space of a sealing on tank top, for the construction of tank air-rise upside-down creates conditions;
2) at the inside and outside installation packing of tank, Equilibrator, limit stoper; At the manhole of bell jar arch top cover the inflation blower is installed; Be with most outside the wallboard enclosure, assembling tank the second band wallboard at tank; When the tank body inflating and lifting, with rubber air leakage parts in the tank is sealed; The unlatching blower is gone up the band wallboard with bell jar arch top cover most together with bell jar and tank is gone up band wallboard inflating pressure buoyance lift most, when tank body floats to predetermined altitude, close gradually air-adjusting shutter, the control air output makes uplift and tank body balanced, keeps voltage stabilizing state in the tank; At this moment can spot welding keep off code, limiting card code, corner brace, adjust upper and lower wallboard counterpart, carry out circumferential weld spot welding; Can turn off the blast after the spot welding of wallboard circumferential weld is fixedly finished, a jacking finishes; Then carry out tank wallboard girth welding operation, a band wallboard installation; Use air-rise upside-down docking method of construction and carry out successively from top to bottom the assembling of tank wallboard; After tank plays band wallboard assembling and spot welding to finish most, carry out guide rails assembling in the tank;
3) after guide rails assembling is finished in the tank, ring sealing plate is removed, bell jar arch top cover is fallen on the tank base plate, prepare to carry out bell jar air-rise upside-down docking construction;
4) tank is played the band wallboard remove most;
5) at the inside and outside installation packing of bell jar, Equilibrator, limit stoper; The air-rise upside-down docking method of construction of using above-mentioned gas holder tank carry out successively from top to bottom bell jar wallboard group to and weld job;
6) all organize after finishing with welding when the bell jar wallboard, play the band wallboard to reset, assemble, weld most tank; So far, vertical lifting gas holder air-rise upside-down docking construction operation is finished.
Further, above-mentioned steps 1) in, it is that angle steel supports that described steel supports.
The exhaust outlet of above-mentioned blower is provided with air-adjusting shutter.
The present invention has following beneficial effect:
Vertical lifting gas holder air-rise upside-down docking method of construction of the present invention is used the air-rise upside-down construction method and is carried out the vertical lifting Measure for Air Tank Construction.Adopt this method of construction, gas holder tank and bell jar tank body fabrication and installation activity all carry out on the ground, have that equipment, the less investment of measure materials, constructing operation are convenient, effect is high, labor intensity is low, construction safety is reliable, guarantee the advantage such as construction quality.
Description of drawings
Fig. 1 is construction schematic representation of the present invention.
Wherein: 1 is bell jar arch top cover; 2 is that bell jar is gone up the band wallboard most; 3 is that tank is gone up the band wallboard most; 4 are the steel support; 5 is ring sealing plate; 6 is blower; 7 is air-adjusting shutter; 8 is the inner circle block; 9 is timber wedge; 10 is the cylindrical block; 11 is the limiting card code; 12 is limit stoper; 13 is piston ring; 14 is Equilibrator; 15 is stripper rubber; 16 are the gear code; 17 is corner brace.
Embodiment
Below in conjunction with accompanying drawing the present invention is done and to describe in further detail:
Referring to Fig. 1, vertical lifting gas holder air-rise upside-down docking method of construction of the present invention may further comprise the steps:
1) bell jar of gas bell arch top cover 1, bell jar is gone up band wallboard 3 most and is finished by the designing requirement assembling with the tank of wallboard 2 and tank on after, adopting steel to support 4 with the top between wallboard 2 tank bodies with wallboard 3 and bell jar on tank is fixedly connected with, both is fixedly secured.Then steel being supported 4 tops seals with ring sealing plate 5, as shown in the figure, after ring sealing plate 5 sealings, produce an enclosed space that is formed with wallboard 3 and tank base plate by bell jar arch top cover 1, ring sealing plate 5 and tank on tank top, for condition has been created in the construction of tank air-rise upside-down;
2) at the inside and outside installation packing 13 of tank, Equilibrator 14, limit stoper 12; Manhole at bell jar arch top cover 1 is installed blower, and the exhaust outlet of blower is (vertically to landing ground) in bell jar arch top cover 1, and the outlet of blower is provided with air-adjusting shutter; Be with most outside the wallboard enclosure, assembling (the vertical seam of welding) tank the second band wallboard at tank; When the tank body inflating and lifting, use thick 2mm, the rubber of wide 200～300mm seals air leakage parts in the tank; Open blower, adjust air quantity, bell jar arch top cover 1 is gone up band wallboard 2 most together with bell jar and tank is gone up band wallboard 3 inflating pressure buoyance lifts most, when tank body floats to predetermined altitude, close gradually air-adjusting shutter, the control air quantity makes uplift and tank body balanced, keeps voltage stabilizing state in the tank body, at this moment can spot welding keep off code 16, limiting card code 11, corner brace 17, adjust, the lower wall panels counterpart is carried out circumferential weld spot welding, after the spot welding of wallboard circumferential weld is fixedly finished, can turn off the blast, one band wallboard jacking finishes, and then carries out tank wallboard girth welding operation, a band wallboard installation; Carry out successively from top to bottom the assembling of tank wallboard with this air-rise upside-down docking method of construction; After tank plays band wallboard assembling and spot welding to finish most, carry out guide rails assembling in the tank;
3) after guide rails assembling is finished in the tank, ring sealing plate 5 is removed, bell jar arch top cover 1 is fallen on the tank base plate, prepare to carry out bell jar air-rise upside-down docking construction;
4) tank is played the band wallboard remove most, to create the space of bell jar construction charging, assembling and weld job;
5) at the inside and outside installation packing 13 of bell jar, Equilibrator 14, limit stoper 12; Use the mode of above-mentioned air-rise upside-down abutting joint tank wallboard, carry out successively from top to bottom bell jar wallboard group to and weld job;
6) when bell jar wallboard after all assembling and welding are finished, play the band wallboard to reset, assemble, weld most tank; So far, vertical lifting gas holder air-rise upside-down docking construction operation is finished.
In above work progress, in the most preferred embodiment of the present invention, described tank connects with several angle steel supporting weldings with the top between the tank body of wallboard 2 on wallboard 3 and bell jar on.
For control tank body top lifting height (preventing roof fall accident), guarantee the tank body moulding, and the alignment clearance of upper and lower wallboard circumferential weld, at the inside and outside wall of tank inner circle block 8 is arranged, limit stoper 12, cylindrical block 10(comprises timber wedge 9), corner brace 17 and cushion block are as shown in Figure 1.
Two groups of vertical Equilibrators 14 are installed in the tank tank body, and its effect is the inclination of control tank body flotation, guarantees vertically stable rising of tank body.
At inboard wall of cistern packing 13 being installed, is to adopt channel-section steel to simmer system by tank body inner circle circumference, and every joint is 5～6m, and its connection mouth adopts terraced tooth turnbuckle screw mandrel to connect and tensioner.Its effect one is the rigidity of tank body when strengthening inflating and lifting, to guarantee the boundary dimension of tank body; The 2nd, four groups of pulleys of stable equilibrium device; The 3rd, the rubber of lower wall panels circumferential weld in the sealing of packing lower flange card peace.
Tank wallboard for preparing assembling must stay 1～2 survivor of a murder attempt's controlling device.Survivor of a murder attempt's controlling device is to adjust the gap of girth sheets survivor of a murder attempt perps, makes girth sheets outer wall and lower girth sheets inwall form certain frictional force, impels the stable rising of tank body.Survivor of a murder attempt's controlling device is welded in lower girth sheets survivor of a murder attempt place, respectively hangs up and down one ton of jack.
Claims (3)
1. a vertical lifting gas holder air-rise upside-down docking method of construction is characterized in that, may further comprise the steps:
1) tank of the bell jar of gas bell arch top cover (1), bell jar being gone up band wallboard (2) and tank is most gone up after band wallboard (3) assembling finishes most, tank is gone up band wallboard (3) and bell jar most go up most top between the tank body of band wallboard (2) and adopt steel to support (4) to be fixedly connected with, steel supports (4) top with ring sealing plate (5) sealing; Make the space of a sealing on tank top, for the construction of tank air-rise upside-down creates conditions;
2) at the inside and outside installation packing of tank (13), Equilibrator (14), limit stoper (12); At the manhole of bell jar arch top cover (1) inflation blower (6) is installed; Be with most outside the wallboard enclosure, assembling tank the second band wallboard at tank; When the tank body inflating and lifting, with rubber (15) air leakage parts in the tank is sealed; Open blower (6), bell jar arch top cover (1) is gone up band wallboard (2) most together with bell jar and tank is gone up band wallboard (3) inflating pressure buoyance lift most, when tank body floats to predetermined altitude, close gradually air-adjusting shutter, the control air output, make uplift and tank body balanced, keep voltage stabilizing state in the tank; At this moment spot welding gear code (16), limiting card code (11), corner brace (17) are adjusted upper and lower wallboard counterpart, carry out circumferential weld spot welding; Can turn off the blast after the spot welding of wallboard circumferential weld is fixedly finished, a jacking finishes; Then carry out tank wallboard girth welding operation, a band wallboard installation; Use air-rise upside-down docking method of construction and carry out successively from top to bottom the assembling of tank wallboard; After tank plays band wallboard assembling and spot welding to finish most, carry out guide rails assembling in the tank;
3) after guide rails assembling is finished in the tank, ring sealing plate (5) is removed, bell jar arch top cover (1) is fallen on the tank base plate, prepare to carry out bell jar air-rise upside-down docking construction;
4) tank is played the band wallboard remove most;
5) at the inside and outside installation packing of bell jar (13), Equilibrator (14), limit stoper (12); The air-rise upside-down docking method of construction of using above-mentioned gas holder tank carry out successively from top to bottom bell jar wallboard group to and weld job;
6) all organize after finishing with welding when the bell jar wallboard, play the band wallboard to reset, assemble, weld most tank; So far, vertical lifting gas holder air-rise upside-down docking construction operation is finished.
2. vertical lifting gas holder air-rise upside-down docking method of construction according to claim 1 is characterized in that, in the step 1), it is that angle steel supports that described steel supports (4).
3. vertical lifting gas holder air-rise upside-down docking method of construction according to claim 1 is characterized in that the exhaust outlet of described blower (6) is provided with air-adjusting shutter (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210380733.3A CN102900948B (en) | 2012-10-09 | 2012-10-09 | Vertical lifting type butting construction method for air-jacking upside-down mounting of air cabinet |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210380733.3A CN102900948B (en) | 2012-10-09 | 2012-10-09 | Vertical lifting type butting construction method for air-jacking upside-down mounting of air cabinet |
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| CN102900948A true CN102900948A (en) | 2013-01-30 |
| CN102900948B CN102900948B (en) | 2014-09-17 |
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| CN201210380733.3A Active CN102900948B (en) | 2012-10-09 | 2012-10-09 | Vertical lifting type butting construction method for air-jacking upside-down mounting of air cabinet |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105625739A (en) * | 2014-11-06 | 2016-06-01 | 上海宝冶集团有限公司 | Whole replacement method for sealing section of Wiggins gas holder |
| CN110303265A (en) * | 2019-07-26 | 2019-10-08 | 中石化第十建设有限公司 | A kind of low-temperature storage tank inner canister top board construction technique and low-temperature storage tank construction technology |
Citations (7)
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| SU929956A1 (en) * | 1974-11-22 | 1982-05-23 | Институт Тепло-И Массообмена Ан Бсср | Wet gasholder |
| CN2089116U (en) * | 1991-06-06 | 1991-11-20 | 北京师范大学 | Wet type gasometer |
| CN2109483U (en) * | 1991-09-26 | 1992-07-08 | 岳德康 | Floot cover type gas storage device for marsh gas |
| CN2125054U (en) * | 1992-04-13 | 1992-12-16 | 王学群 | Wet gas storage tank sealed by oil |
| CA2205000A1 (en) * | 1994-12-13 | 1996-06-20 | Lorena Grundrich | Variable volume sealed container for storing liquids |
| JP2000346289A (en) * | 1999-06-01 | 2000-12-15 | Takehiko Shimojo | Water seal gas holder |
| CN102537652A (en) * | 2011-12-31 | 2012-07-04 | 云南华盛化工有限公司 | Method for displacing impurities at bottom of water sealed tank of gas holder without shutdown as well as gas holder |
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2012
- 2012-10-09 CN CN201210380733.3A patent/CN102900948B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU929956A1 (en) * | 1974-11-22 | 1982-05-23 | Институт Тепло-И Массообмена Ан Бсср | Wet gasholder |
| CN2089116U (en) * | 1991-06-06 | 1991-11-20 | 北京师范大学 | Wet type gasometer |
| CN2109483U (en) * | 1991-09-26 | 1992-07-08 | 岳德康 | Floot cover type gas storage device for marsh gas |
| CN2125054U (en) * | 1992-04-13 | 1992-12-16 | 王学群 | Wet gas storage tank sealed by oil |
| CA2205000A1 (en) * | 1994-12-13 | 1996-06-20 | Lorena Grundrich | Variable volume sealed container for storing liquids |
| JPH11506408A (en) * | 1994-12-13 | 1999-06-08 | グルンドリッヒ，ロレナ | Variable capacity closed container for liquid storage |
| JP2000346289A (en) * | 1999-06-01 | 2000-12-15 | Takehiko Shimojo | Water seal gas holder |
| CN102537652A (en) * | 2011-12-31 | 2012-07-04 | 云南华盛化工有限公司 | Method for displacing impurities at bottom of water sealed tank of gas holder without shutdown as well as gas holder |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105625739A (en) * | 2014-11-06 | 2016-06-01 | 上海宝冶集团有限公司 | Whole replacement method for sealing section of Wiggins gas holder |
| CN105625739B (en) * | 2014-11-06 | 2018-02-16 | 上海宝冶集团有限公司 | Wei Jinsi gas cabinet sealing section integral replacing methods |
| CN110303265A (en) * | 2019-07-26 | 2019-10-08 | 中石化第十建设有限公司 | A kind of low-temperature storage tank inner canister top board construction technique and low-temperature storage tank construction technology |
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| Publication number | Publication date |
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| CN102900948B (en) | 2014-09-17 |
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Inventor after: Qian Deyong Inventor after: Wang Bo Inventor after: Zhang Bo Inventor before: Qian Deyong Inventor before: Wang Bo Inventor before: Zhang Bo |
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