CN1080580A - Centralized Control electric hoist and tank filling process and control device - Google Patents
Centralized Control electric hoist and tank filling process and control device Download PDFInfo
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- CN1080580A CN1080580A CN 92104720 CN92104720A CN1080580A CN 1080580 A CN1080580 A CN 1080580A CN 92104720 CN92104720 CN 92104720 CN 92104720 A CN92104720 A CN 92104720A CN 1080580 A CN1080580 A CN 1080580A
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Abstract
The present invention relates to a kind of process and the control device that round metal cylindricality tank body is made, and adopts many electronic jack centralized Control tank body that hoists.Tank body is increased work efficiency in the process of hoisting, and construction safety, tank skin whenever enclose to rise only uses 1～3 fen clock time.And compared with prior art, the easier purpose that reaches the control assembling quality, saves electric welding equipment and raise labour productivity, but the reduction of erection time increase substantially efficient, be with a wide range of applications.
Description
The present invention relates to a kind of construction technique and control device of upside-down mounting round metal cylindricality tank body.Be applicable to the construction manufacturing of the round metal cylindricality tank body (vault and floating roof tank) of 1000 cubic metres-20000 cubic metres of nominal volumes in the engineerings such as oil field and oil refining, chemical industry.
The construction of metal current cylindrical tank can be divided into " upside-down method of hull-section construction " and " upright method of hull section construction " two kinds of construction technologies, and in general, nominal volume is to adopt " formal dress " technology at 10000 cubic metres and above cylindrical floating roof tank.The cylindrical tank (arch-roof tank and internal floating roof tank) of band vault generally is to adopt " upside-down mounting " technology, and traditional reverse installation process has " pneumatic jack rises reverse installation process ", generally is applicable to the tank body of nominal volume at 1000-20000 cubic meter band vault; " water buoyance lift method reverse installation process " arranged, be applicable to that nominal volume is equal to or greater than 10000 cubic metres tank body (preferably to floating roof tank, as the tank body of being with vault also to be had, but be of little use) more." mechanical reverse installation process " arranged, and general " newel method " is applicable to that nominal volume is at the band vault tank body smaller or equal to 5000 cubic metres more; " A-frame hoist engine method " is applicable to floating top and the vault tank body smaller or equal to 20000 cubic metres.
Air lift flip-chip is mainly finished by air-supply arrangement, sealing device, bascule, stopping means, ventilation unit five parts.Because air is compressible, careless slightly in the process of hoisting, roof fall is arranged and blows inclined to one side possibility, and at pneumatic jack when requiring the position, to overlapping tank skin, the bad control of the lap of splice; The butt joint tank skin, spot welding fixing and butt joint all bad control in gap and adjustment, and after spot welding is fixing, blower fan stops, in welding process, because the effect of tank body gravity, the horizontal position welding seam is easy to generate interior collapse-deformation, this distortion is difficult to control, influences the quality of tank body, in work progress, because after pneumatic jack is raised to the precalculated position, because fixedly the time, blower fan can not stop, therefore in spot welding, the workmen works at full stretch, need electric welding equipment more, and because sealing is not very tight, the electric welding spark operator that burns easily.Adopt gas jack-block technology, a circle tank skin generally hoists, need time 1/3-1 hour when the pneumatic jack process of jacking is constructed, every one circle when adopting the construction of pneumatic jack process of jacking, each procedure must come again reinstalls packing, sealing device, bascule, stopping means.
Adopt gin pole reverse installation process method, be tank wall week side install " herringbone " gin pole several, the inversion construction method of tank body being mentioned by hoist system.But the elevator of gin pole upside-down mounting is if not centralized Control, is difficult to when hoisting guarantee synchronously and tank body is evenly risen.And with yielding the needing reinforcement in suspension centre place that tank skin links, A-frame and hoist engine need be fixed, and increase workloads such as earth anchor.Suspension centre will change 3-4 time the position in whole tank body hoists process, hawser is installed and is switched tackle pulley to have work high above the ground, and construction safety is had certain influence.
The object of the present invention is to provide a kind of centralized Control electric hoist and tank filling process and control device, form by mechanical lifting and circuit centralized Control two parts, be applicable to the manufacturing of the round metal cylindricality tank body of 1000-20000 cubic meter, its process is easy, control device is safe and reliable, thereby has overcome the defective that exists in the prior art.
The inventive method is achieved in that
Process of the present invention and control device comprise mechanical lifting and circuit centralized Control two parts.
The mechanical lifting part is laid at the tank body base plate and is finished, after tank deck and first lap (being collar) wallboard assembly welding finishes, can satisfy maximum several the electronic jacks that play liter weight of tank body and be arranged in the inboard week of tank body equably along (when tank body has vault, should calculate the number of electronic jack earlier by girth sheets that hoists and tank deck weight, be installed in all edges, the tank body outside, behind the 2-3 that waits the to hoist circle, again will by tank body maximum rise several electronic jacks that liter weight calculates move on to inboard week of tank body along), electronic jack is arranged at and can satisfies one and enclose on the support of tank skin maximum lifting height.The hook of jack is connected on the packing of part inner tank wall to be hoisted bottom.The effect of packing is the rigidity that strengthens tank skin, prevents tank skin discontinuity in the process of hoisting and produces the distortion of tank skin and the damage of tank skin.After one circle has promoted, can put down the lifting that packing carries out next circle, from coil to coil carries out like this, finishes the manufacture process of tank body.
Theoretical calculation formula:
(1) the maximum calculating that plays liter weight P:
P=K
1K
2(W
Tank deck+ W
Wall+ W
Expand+ W
Annex+ W
Other)
Wherein: K
1-stressed unbalance factor; K
2-coefficient of friction
W
Tank deckThe weight of-tank deck:
W
WallThe maximum tank skin weight that-quilt is hoisted:
W
ExpandThe weight of the fixture of-packing and hanger and tank skin:
W
AnnexThe weight of-platform, railing, winding staircase, manhole etc.:
W
Other-other weight that should count:
(2) effective lifting weight P of the electronic jack of separate unit is effective: when many jacks hoist, only allow the separate unit jack to bear the 75%-80% of rated load; Then
P
Effectively=P
Volume* (75%-80%)
P
VolumeThe specified lifting weight of the electronic jack of-separate unit:
(3) determining of electronic jack platform number: n platform
N=P/P
Effectively(platform) generally gets even number
(4) selection of electronic jack supporting member is calculated:
On the inboard all edges of tank skin, adopt triangle support frame, support pressurized near tank skin, another supports tension, and compression rod carries out stressed check with the pressure bar stabilization formula, chooses reasonable size:
P
Max≤ π
2EJ/4L
2=P
LJ(critical pressure)
Wherein: P
Max-support rod end to be subjected to maximum pressure:
E-steel elastic modelling quantity: E=2 * 10
11N/m
2
The moment of inertia that J-supports:
The height of L-support:
Support for pipe fitting: J=π/64(D
4-d
4)
The D-external diameter:
The d-internal diameter:
In the Practical Calculation, consider discontinuity of material and other factors:
Single tube spare is supported (being used for a jar outside): P
Max＞1.5P
On average
Diabolo bracing frame (being used for a jar inboard): P
Max＞1.5P
On average/ 2;
Wherein: P
On average=P/n
Calculate according to above formula, choose the pipe specification.
When (5) many jacks promote, the separate unit accident analysis
In the process of hoisting, because many jacks promote, at first, and when hoisting, every suffered initial stressed of jack unanimity of should trying one's best, general starting force should not be too big, in order to avoid the circuit starting load is too high; The general dynamometer that adopts is measured starting force and stressed lack of uniformity coefficient in the process of hoisting; But, in the process of hoisting, when in case a certain electronic jack occurring and excess load or equipment itself occurring and break down, (1) this equipment may be out of service, in tank body hoists process, this equipment will no longer bear load, and this load is distributed on two adjacent electronic jacks by maximum possible, when this may break down with regard to requiring every electronic jack can also bear another jack under average load its load half and do not break down, the load that separate unit jack maximum can be born is set.P is big:
P
Greatly＞1.5P
On averageAnd P
Max＞P
Greatly
Wherein: P
On average=P/n
P
GreatlyThe maximum liter weight that allowed of-equipment itself; When n-jack platform was counted excess load, tank body should stop to hoist automatically, behind to be checked the finishing, hoists again.
(2) many jack centralized Control parts
Treat that preparation is ready, can promote.L
1, L
2, L
3For entering the three phase mains of stacked switch QS, L
11, L
12, L
13Be the three phase mains of drawing from QS, QS places lifting position with switch, signal lamp H
Rl-H
RnBright, Closing Switch QF successively then
l-QF
nPress SB successively
l-SB
n, carry out separate unit and hoist, put in place until the hook tension, each corresponding indicator lamp goes out; Press button SB, electric bell HB sends the signal the tinkle of bells, submits to each operating personnel to note Closing Switch SA
2And SA
2, the beginning integral lifting is up to needs height, cut-off switch SA
2, carry out the spot welding of tank skin interface then, spot welding finishes switch QS is placed position, whereabouts, Closing Switch SA
2, put down packing, bright up to all signal lamps, and alarm equipment alarm, but just cut-off switch SA
2And SA
1, cut off master switch QS.
If in integral lifting or decline process, (decompression, overload, short circuit, chain rupture) for a certain reason when making one or more jack operation irregularity occur, just alarm sound takes place alarm HH, and lights the corresponding signal lamp, simultaneously auxiliary reclay KA
1Action, all jack is out of service, and operating personnel can be according to the indication failure judgement place of signal lamp.(when hoisting, go wrong in which loop, and then this loop signal lamp is bright; During the whereabouts, the adjacent loop indicator lamp of fault loop is bright).Need to try the police before hoisting, i.e. Closing Switch SA
1, electric horn gives the alarm, and proves that alarm work is normal, in order to avoid it is malfunctioning to report to the police under failure condition, test finishes again with switch S A
1Disconnect.
This device circuit is simple, and performance is complete, and is easy to operate.This circuit possesses following characteristics:
1, adopt master switch to carry out the phase sequence conversion, the rotating of control jack.
2, the selection of control components and parts and setting can guarantee that each loop has decompression, overload and short-circuit protection effect, and overload protection characteristics is not influenced by ambient temperature.
3, all jacks can rise and fall simultaneously, but also separate unit adjustment.
4, have automatic shutdown function under failure condition, and alarm signal takes place simultaneously, light the fault loop indicator lamp.
Fig. 1. mechanical lifting control device structural representation of the present invention
Fig. 2. be the vertical view of Fig. 1
Fig. 3. control device circuit major loop schematic diagram of the present invention
Fig. 4. control device circuit secondary circuit schematic diagram of the present invention
As Fig. 1,2, electronic jack is applied to the reverse installation process of round metal cylindricality tank body, many electronic jacks are connected with the control circuit of centralized Control electric hoist and tank filling, electronic jack adopts inner support frame to support when the floating roof tank upside-down mounting; Electronic jack adopts inside and outside bracing frame to support when the arch-roof tank upside-down mounting; Hanging point is fixed on the packing on the tank skin under the jack.
Centralized Control electric hoist and tank filling control device comprises bracing frame and electronic jack part, control circuit composition, and the umbrella shape frame is connected with bracing frame, and then is connected with load by electronic jack, and some electronic jacks are connected with centralized-control box.Wherein:
Support 5 is provided with electronic jack 6, and electronic jack 6 is connected with load, and umbrella shape frame 8 is arranged on central authorities in the tank body, and it is formed by connecting by column and top spoke-like circle; Umbrella shape frame 8 columns have control cabinet 9, the electronic jack of the circumferentially corresponding connection of its spoke-like circle; Tank body 1 bottom is provided with packing 2, and packing 2 is provided with hook 3 and travel switch 4; Support 5 nearly tank bodies 1 place is provided with, and it is connected with umbrella shape frame 8 by pull bar 7 to jar central side top, the chain cable of the electronic jack on support 5 tops with link up with 3 and be connected, be communicated with by cable respectively between travel switch 4 and electronic jack 6 and the control cabinet 9.
As Fig. 3,4, control circuit connects and composes control circuit by derailing switch, relay, signal lamp, electric horn, electric bell etc.The control circuit of centralized Control electric hoist and tank filling uses master switch QS to carry out the phase sequence conversion, the positive and negative traffic direction of control jack.Control button SB
lWith auxiliary reclay KA
2Back serial connection A.C. contactor KM in parallel
l, until SB
nWith KA
2Back serial connection KM in parallel
nStructure bar n bar lifting control circuit branch road, travel switch SL
L-1To SL
N-1Back serial connection toggle switch SA in parallel
1, electric horn HH and auxiliary reclay KA
1Parallel circuit, constitute the sound alarm circuit branch road; Travel switch SL
L-2Serial connection signal lamp HR
1, so that SL
N-2Serial connection HR
nConstitute the optical signal circuit branch road; Control button SB serial connection electric bell HB constitutes the early warning signal circuit branch; Between the equal cross-over connection L of above-mentioned each branch road and the N two power supply utmost points; Two power inputs are provided with fuse FU; Described n is as SL
nIn n be the number of pairing electronic jack in the circuit; L utmost point three-phase input end is provided with stacked switch QS; Be provided with automatic switch QF in the control circuit
l～QF
n(n is that electronic jack is individual).
Embodiment: adopt electronic jack upside-down mounting metal can construction technology, after tank base is finished, on the basis, lay base plate, according to the upside-down mounting program of metal can, enclose the circle of going up most of tank body earlier then, lifted the tank deck plate block by block, after top board inspection and welding finish, some electronic jacks are installed outside jar earlier, are enclosed circle wallboard down then, utilize electronic jack that tank body is mentioned.After mentioning two circles, jack is moved in the jar, some pairs of jacks are installed in jar altogether, continue to promote.Until the tank body construction finishes.
Process implementation step of the present invention:
(1) tank body hoists preceding 2 whens circle, be jack is arranged in the tank skin outside, and be the single tube stand made from steel pipe, can be when tank base water, embedded iron parts on the circle frame is used for fixing stand, also should take measures, not make the stressed back of stand sink too big in the stand bottom.
(2) go up most the circle tank skin up-to-standard after, can assemble tank deck, packing should be by the quality requirement manufacturing, levelness, angularity are all answered strict control.After tank skin is qualified, can go up packing, packing is fixed on the same horizontal plane, must swelling, firmly; Hanger is welded on the packing, must packing be fixed on the tank skin with steel plate.
(3) jack should adopt the electronic jack of the same specification of same manufacturer production, same model as far as possible, and support should be same height and guarantees when stressed stable.Jack should have product certificate, quality inspection book, and has been necessary that separate unit tries to draw data.After control circuit installed, should test (unit and interlock) after, can hoist.
(4) as required, the dynamometer of some is installed,, is measured stressed unbalance factor, can be used as down and enclose the stressed reference of liter so that observe stressing conditions.
(5) in the lifting process, if no special circumstances do not interrupt hoisting.Hoisting when surpassing down circle wallboard height, should stopping means be installed, and the steel plate of circle down tightened up adjust to the assembly welding position, can descend by crawl, can not hoist aloft to stop and spend the night or unattended.
When (6) operation hoists, should be undertaken by the personnel that are familiar with circuit and equipment, in order to avoid produce error in operation, and when in a single day accident occurring, can in time handle, should there be the special messenger to command in the process that hoists simultaneously.
When (7) operation hoisted, the weather that should grasp the same day should not descend to hoist at environment such as wind, rain, frost, hails.Behind the end of operation, must be with power-off.
Process of the present invention is compared with the prior art:
During electronic jack upside-down mounting, control device can divide machinery part and electrical control two parts.Because electronic jack can whole start, can adjust respectively again, therefore be convenient to good controls such as operating clearance; In horizontal position welding seam welding process, because electronic jack is in stress, the horizontal position welding seam can not produce collapse-deformation owing to the influence of the gravity of tank body.Because the jack upside-down mounting realizes control easily and adjusts assembly clearance, so the horizontal position welding seam is suitable for the single face welding and double face shaping automatic welding process.As long as jack operation saves time, and promotes a circle 1-3 branch clock time (only hoist, spot welding has been shut down fixedly the time), so speed greatly improves, and can be energy-conservation.Working procedure reduces.During the jack inverted construction, only need after a circle construction welding finishes, packing to be put down, be fixed on down on the circle wallboard and can continue next circle that hoists.Jack upside-down mounting tank body, auxiliary material are few, only need make support according to the platform numeral system of jack, and support can reuse.A large amount of quantity of saving welding machine quantity and workmen.When hoisting, only need people commander to get final product one man operation.Technology is simple, easy construction.Reduce cost, safe and reliable.
The advantage of process of the present invention:
Round metal cylindricality tank body adopts electronic jack upside-down mounting method that significant superiority is arranged: erecting equipment weight is little, is easy to install; Be easy to reach centralized Control, disperse to adjust safe and reliable; Shorten the construction period, quality is good, and speed is fast; Auxiliary material are few, labor savings; Energy savings has practical widely prospect.
Claims (7)
1, centralized Control electric hoist and tank filling process, it is characterized in that: the reverse installation process that electronic jack is applied to round metal cylindricality tank body, many electronic jacks are connected with the control circuit of centralized Control electric hoist and tank filling, use master switch (stacked switch QS) to carry out the phase sequence conversion, the positive and negative traffic direction of control jack.
2, centralized Control electric hoist and tank filling process according to claim 1 is characterized in that: electronic jack adopts inner support frame to support when the floating roof tank upside-down mounting; Electronic jack adopts inside and outside bracing frame to support when the arch-roof tank upside-down mounting, and hanging point is fixed on the packing on the tank skin under the jack.
The maximum calculating that plays liter weight P:
P=K
1K
2(W
Tank deck+ W
Wall+ W
Expand+ W
Annex+ W
Other)
Wherein: K
1-stressed unbalance factor; K
2-coefficient of friction
W
Tank deckThe weight of-tank deck;
W
WallThe maximum tank skin weight that-quilt is hoisted;
W
ExpandThe weight of the fixture of-packing and hanger and tank skin;
W
AnnexThe weight of-platform, railing, winding staircase, manhole etc.;
W
Other-other weight that should count;
Effective lifting weight P of the electronic jack of separate unit is effective: when many jacks hoist, only allow the separate unit jack to bear the 75%-80% of rated load; Then
P
Effectively=P
Volume* (75%-80%)
P
VolumeThe specified lifting weight of the electronic jack of-separate unit;
Determining of electronic jack platform number: n platform
N=P/P
Effectively(platform) generally gets even number
3, centralized Control electric hoist and tank filling process according to claim 1, it is characterized in that: the mechanical lifting part is laid at the tank body base plate and is finished, after tank deck and first lap (being collar) wallboard assembly welding finishes, can satisfy maximum several the electronic jacks that play liter weight of tank body and be arranged in the inboard week of tank body equably along (when tank body has vault, should calculate the number of electronic jack earlier by girth sheets that hoists and tank deck weight, be installed in all edges, the tank body outside, behind the 2-3 that waits the to hoist circle, again will by tank body maximum rise several electronic jacks that liter weight calculates move on to inboard week of tank body along), electronic jack is arranged at and can satisfies one and enclose on the support of tank skin maximum lifting height; The hook of jack is connected on the packing of part inner tank wall to be hoisted bottom, and the effect of packing is the rigidity that strengthens tank skin, prevents tank skin discontinuity in the process of hoisting and produces the distortion of tank skin and the damage of tank skin.After one circle has promoted, can put down the lifting that packing carries out next circle, from coil to coil carries out like this, finishes the manufacture process of tank body.
4, centralized Control electric hoist and tank filling process according to claim 1 is characterized in that: L
1, L
2, L
3For entering the three phase mains of stacked switch QS, L
11, L
12, L
13Be the three phase mains of drawing from QS, QS places lifting position with switch, signal lamp H
Rl-H
RnBright, Closing Switch QF successively then
l-QF
nPress SB successively
l-SB
n, carry out separate unit and hoist, put in place until the hook tension, each corresponding indicator lamp goes out; Press button SB, electric bell HB sends the signal the tinkle of bells, submits to each operating personnel to note Closing Switch SA
2And SA
2, the beginning integral lifting is up to needs height, cut-off switch SA
2, carry out the spot welding of tank skin interface then, spot welding finishes switch QS is placed position, whereabouts, Closing Switch SA
2, put down packing, bright up to all signal lamps, and alarm equipment alarm, but just cut-off switch SA
2And SA
1, cut off master switch QS.
5, centralized Control electric hoist and tank filling control device, comprise bracing frame and electronic jack part, control circuit composition, it is characterized in that: the umbrella shape frame is connected with bracing frame, and then is connected with load by electronic jack, and some electronic jacks are connected with centralized-control box.
6, centralized Control electric hoist and tank filling control device, comprise compositions such as bracing frame and electronic jack, control cabinet, packing, gown hook, it is characterized in that: support 5 is provided with electronic jack 6, electronic jack 6 is connected with load, it is characterized in that: umbrella shape frame 8 is arranged on central authorities in the tank body, and it is formed by connecting by column and top spoke-like circle; Umbrella shape frame 8 columns have control cabinet 9, the electronic jack of the circumferentially corresponding connection of its spoke-like circle; Tank body 1 bottom is provided with packing 2, and packing 2 is provided with hook 3 and travel switch 4; Support 5 nearly tank bodies 1 place is provided with, and it is connected with umbrella shape frame 8 by pull bar 7 to jar center one upper lateral part, the chain cable of the electronic jack on support 5 tops with link up with 3 and be connected, be communicated with by cable respectively between travel switch 4 and electronic jack 6 and the control cabinet 9.
7, centralized Control electric hoist and tank filling control device, comprise compositions such as relay, signal lamp, electric horn, electric bell, A.C. contactor, travel switch, stacked switch, it is characterized in that: control circuit connects and composes control circuit by derailing switch, relay, signal lamp, electric horn, electric bell etc., it is characterized in that: control button SB
1With auxiliary reclay KA
2Back serial connection A.C. contactor KM in parallel
1, until SB
nWith KA
2Back serial connection KM in parallel
nStructure bar n bar lifting control circuit branch road, travel switch SL
L-1To SL
N-1Back serial connection toggle switch SA in parallel
1, electric horn HH and auxiliary reclay KA
1Parallel circuit, constitute the sound alarm circuit branch road; Travel switch SL
L-2Serial connection signal lamp HR
1, so that SL
N-2Serial connection HR
nConstitute the optical signal circuit branch road; Control button SB serial connection electric bell HB constitutes the early warning signal circuit branch; Above-mentioned each branch road is all striden by L
11And between the N two power supply utmost points; Two power inputs are provided with fuse FQ; Described n is as SL
nIn n be the number of pairing electronic jack in the circuit; L utmost point three-phase input end is provided with stacked switch QS; Be provided with automatic switch QF in the control circuit
l～QF
n(n is electronic jack number).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92104720 CN1080580A (en) | 1992-06-20 | 1992-06-20 | Centralized Control electric hoist and tank filling process and control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92104720 CN1080580A (en) | 1992-06-20 | 1992-06-20 | Centralized Control electric hoist and tank filling process and control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1080580A true CN1080580A (en) | 1994-01-12 |
Family
ID=4940952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92104720 Pending CN1080580A (en) | 1992-06-20 | 1992-06-20 | Centralized Control electric hoist and tank filling process and control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1080580A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102633198A (en) * | 2012-04-21 | 2012-08-15 | 陕西建工集团设备安装工程有限公司 | Storage tank lifting construction method applicable to heavy wind areas |
| CN102815609A (en) * | 2012-09-12 | 2012-12-12 | 河北二十冶工程技术有限公司 | Tank body assembling electric lifting system by flip chip method and hoisting method thereof |
| CN105171282A (en) * | 2015-09-10 | 2015-12-23 | 中国十九冶集团有限公司 | Converter shell mounting method |
| CN105345288A (en) * | 2015-11-20 | 2016-02-24 | 天津二十冶建设有限公司 | Power-driven chain block combination device for installing desulfurizing tower and installation method |
| CN105908843A (en) * | 2016-04-26 | 2016-08-31 | 中国化学工程第三建设有限公司 | Synchronous inversion construction method of double-layer vault storage tank |
| CN106088756A (en) * | 2016-06-07 | 2016-11-09 | 中冶天工集团天津有限公司 | A kind of method of the cartridge type steel storage tank hydraulic pressure lift upside-down mounting based on BIM technology |
| CN110893520A (en) * | 2019-11-29 | 2020-03-20 | 中石化第四建设有限公司 | Storage tank inversion method |
| CN112247390A (en) * | 2020-10-14 | 2021-01-22 | 中国建筑第八工程局有限公司 | Indoor inverted construction method for large storage tank |
-
1992
- 1992-06-20 CN CN 92104720 patent/CN1080580A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102633198A (en) * | 2012-04-21 | 2012-08-15 | 陕西建工集团设备安装工程有限公司 | Storage tank lifting construction method applicable to heavy wind areas |
| CN102633198B (en) * | 2012-04-21 | 2013-08-14 | 陕西建工集团设备安装工程有限公司 | Storage tank lifting construction method applicable to heavy wind areas |
| CN102815609A (en) * | 2012-09-12 | 2012-12-12 | 河北二十冶工程技术有限公司 | Tank body assembling electric lifting system by flip chip method and hoisting method thereof |
| CN102815609B (en) * | 2012-09-12 | 2014-10-08 | 河北二十冶工程技术有限公司 | Tank body assembling electric lifting system by flip chip method and hoisting method thereof |
| CN105171282A (en) * | 2015-09-10 | 2015-12-23 | 中国十九冶集团有限公司 | Converter shell mounting method |
| CN105345288A (en) * | 2015-11-20 | 2016-02-24 | 天津二十冶建设有限公司 | Power-driven chain block combination device for installing desulfurizing tower and installation method |
| CN105908843A (en) * | 2016-04-26 | 2016-08-31 | 中国化学工程第三建设有限公司 | Synchronous inversion construction method of double-layer vault storage tank |
| CN106088756A (en) * | 2016-06-07 | 2016-11-09 | 中冶天工集团天津有限公司 | A kind of method of the cartridge type steel storage tank hydraulic pressure lift upside-down mounting based on BIM technology |
| CN110893520A (en) * | 2019-11-29 | 2020-03-20 | 中石化第四建设有限公司 | Storage tank inversion method |
| CN112247390A (en) * | 2020-10-14 | 2021-01-22 | 中国建筑第八工程局有限公司 | Indoor inverted construction method for large storage tank |
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